2002-02-03 22:27:33 +00:00
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/* GStreamer
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2001-12-23 15:24:07 +00:00
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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2009-10-12 23:41:57 +00:00
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* Copyright (C) <2009> Tim-Philipp Müller <tim centricular net>
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2012-04-06 10:13:24 +00:00
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* Copyright (C) 2012 Collabora Ltd.
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* Author : Edward Hervey <edward@collabora.com>
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2001-12-23 15:24:07 +00:00
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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2007-07-18 09:21:23 +00:00
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/**
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* SECTION:element-jpegdec
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*
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2008-07-14 16:28:25 +00:00
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* Decodes jpeg images.
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2009-01-29 07:42:56 +00:00
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*
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* <refsect2>
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* <title>Example launch line</title>
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* |[
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2011-04-25 08:04:52 +00:00
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* gst-launch -v v4l2src ! jpegdec ! ffmpegcolorspace ! xvimagesink
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2009-01-29 07:42:56 +00:00
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* ]| The above pipeline reads a motion JPEG stream from a v4l2 camera
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* and renders it to the screen.
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* </refsect2>
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2007-07-18 09:21:23 +00:00
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*/
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2001-12-23 15:24:07 +00:00
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2003-06-29 19:46:12 +00:00
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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2001-12-23 15:24:07 +00:00
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#include <string.h>
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#include "gstjpegdec.h"
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2010-03-17 17:23:00 +00:00
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#include "gstjpeg.h"
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2003-11-02 00:05:54 +00:00
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#include <gst/video/video.h>
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2012-05-03 07:32:50 +00:00
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#include <gst/video/gstvideometa.h>
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#include <gst/video/gstvideopool.h>
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Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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#include "gst/gst-i18n-plugin.h"
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#include <jerror.h>
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2001-12-23 15:24:07 +00:00
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2010-05-13 10:16:59 +00:00
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#define MIN_WIDTH 1
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2009-05-21 21:39:13 +00:00
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#define MAX_WIDTH 65535
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2010-05-13 10:16:59 +00:00
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#define MIN_HEIGHT 1
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2009-05-21 21:39:13 +00:00
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#define MAX_HEIGHT 65535
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2004-04-23 16:55:40 +00:00
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2010-04-08 10:40:36 +00:00
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#define CINFO_GET_JPEGDEC(cinfo_ptr) \
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(((struct GstJpegDecSourceMgr*)((cinfo_ptr)->src))->dec)
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2009-07-30 14:57:53 +00:00
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#define JPEG_DEFAULT_IDCT_METHOD JDCT_FASTEST
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2010-12-11 17:39:20 +00:00
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#define JPEG_DEFAULT_MAX_ERRORS 0
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2006-06-09 17:12:52 +00:00
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enum
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{
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PROP_0,
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2010-12-11 17:39:20 +00:00
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PROP_IDCT_METHOD,
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PROP_MAX_ERRORS
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2006-06-09 17:12:52 +00:00
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};
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2010-04-27 13:44:39 +00:00
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/* *INDENT-OFF* */
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Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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static GstStaticPadTemplate gst_jpeg_dec_src_pad_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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2012-05-03 07:32:50 +00:00
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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE
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("{ I420, RGB, BGR, RGBx, xRGB, BGRx, xBGR, GRAY8 }"))
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Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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);
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2010-04-27 13:44:39 +00:00
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/* *INDENT-ON* */
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Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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2011-10-28 08:57:36 +00:00
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/* FIXME: sof-marker is for IJG libjpeg 8, should be different for 6.2 */
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Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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static GstStaticPadTemplate gst_jpeg_dec_sink_pad_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("image/jpeg, "
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"width = (int) [ " G_STRINGIFY (MIN_WIDTH) ", " G_STRINGIFY (MAX_WIDTH)
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" ], " "height = (int) [ " G_STRINGIFY (MIN_HEIGHT) ", "
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2011-10-28 08:57:36 +00:00
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G_STRINGIFY (MAX_HEIGHT) " ], framerate = (fraction) [ 0/1, MAX ], "
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"sof-marker = (int) { 0, 1, 2, 5, 6, 7, 9, 10, 13, 14 }")
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Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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);
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2006-03-14 09:23:09 +00:00
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GST_DEBUG_CATEGORY_STATIC (jpeg_dec_debug);
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Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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#define GST_CAT_DEFAULT jpeg_dec_debug
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2009-09-18 14:26:42 +00:00
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GST_DEBUG_CATEGORY_STATIC (GST_CAT_PERFORMANCE);
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2001-12-23 15:24:07 +00:00
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2006-06-09 17:12:52 +00:00
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static void gst_jpeg_dec_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_jpeg_dec_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec);
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2012-04-06 10:13:24 +00:00
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static gboolean gst_jpeg_dec_set_format (GstVideoDecoder * dec,
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GstVideoCodecState * state);
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static gboolean gst_jpeg_dec_start (GstVideoDecoder * bdec);
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static gboolean gst_jpeg_dec_stop (GstVideoDecoder * bdec);
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static gboolean gst_jpeg_dec_reset (GstVideoDecoder * bdec, gboolean hard);
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static GstFlowReturn gst_jpeg_dec_parse (GstVideoDecoder * bdec,
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GstVideoCodecFrame * frame, GstAdapter * adapter, gboolean at_eos);
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static GstFlowReturn gst_jpeg_dec_handle_frame (GstVideoDecoder * bdec,
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GstVideoCodecFrame * frame);
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2012-05-03 07:32:50 +00:00
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static gboolean gst_jpeg_dec_decide_allocation (GstVideoDecoder * bdec,
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GstQuery * query);
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2012-04-06 10:13:24 +00:00
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2012-05-03 07:32:50 +00:00
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#define gst_jpeg_dec_parent_class parent_class
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G_DEFINE_TYPE (GstJpegDec, gst_jpeg_dec, GST_TYPE_VIDEO_DECODER);
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2001-12-23 15:24:07 +00:00
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Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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static void
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gst_jpeg_dec_finalize (GObject * object)
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{
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GstJpegDec *dec = GST_JPEG_DEC (object);
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ext/gdk_pixbuf/gstgdkpixbuf.c: Fix logic bug causing spurious errors.
Original commit message from CVS:
* ext/gdk_pixbuf/gstgdkpixbuf.c: (gst_gdk_pixbuf_sink_link),
(gst_gdk_pixbuf_chain): Fix logic bug causing spurious errors.
* ext/jpeg/gstjpegdec.c: (gst_jpegdec_base_init),
(gst_jpegdec_init), (gst_jpegdec_chain): Fix negotiation.
* ext/jpeg/gstjpegenc.c: (gst_jpegenc_base_init),
(gst_jpegenc_class_init), (gst_jpegenc_init),
(gst_jpegenc_getcaps), (gst_jpegenc_link), (gst_jpegenc_resync),
(gst_jpegenc_chain), (gst_jpegenc_set_property),
(gst_jpegenc_get_property): Fix negotiation. Add some properties.
* ext/jpeg/gstjpegenc.h: Fix negotiation.
2004-02-11 08:31:35 +00:00
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Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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jpeg_destroy_decompress (&dec->cinfo);
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G_OBJECT_CLASS (parent_class)->finalize (object);
|
|
|
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}
|
2003-11-02 00:05:54 +00:00
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|
|
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2001-12-23 15:24:07 +00:00
|
|
|
static void
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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gst_jpeg_dec_class_init (GstJpegDecClass * klass)
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2001-12-23 15:24:07 +00:00
|
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|
{
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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GObjectClass *gobject_class;
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2012-05-03 07:32:50 +00:00
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GstElementClass *element_class;
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2012-04-06 10:13:24 +00:00
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GstVideoDecoderClass *vdec_class;
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2001-12-23 15:24:07 +00:00
|
|
|
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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gobject_class = (GObjectClass *) klass;
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2012-05-03 07:32:50 +00:00
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element_class = (GstElementClass *) klass;
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2012-04-06 10:13:24 +00:00
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vdec_class = (GstVideoDecoderClass *) klass;
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2001-12-23 15:24:07 +00:00
|
|
|
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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parent_class = g_type_class_peek_parent (klass);
|
2004-04-23 16:55:40 +00:00
|
|
|
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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gobject_class->finalize = gst_jpeg_dec_finalize;
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2006-06-09 17:12:52 +00:00
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gobject_class->set_property = gst_jpeg_dec_set_property;
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gobject_class->get_property = gst_jpeg_dec_get_property;
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g_object_class_install_property (gobject_class, PROP_IDCT_METHOD,
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g_param_spec_enum ("idct-method", "IDCT Method",
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"The IDCT algorithm to use", GST_TYPE_IDCT_METHOD,
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2010-10-13 13:25:15 +00:00
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JPEG_DEFAULT_IDCT_METHOD,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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2006-03-14 09:23:09 +00:00
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2010-12-11 17:39:20 +00:00
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/**
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* GstJpegDec:max-errors
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*
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* Error out after receiving N consecutive decoding errors
|
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* (-1 = never error out, 0 = automatic, 1 = fail on first error, etc.)
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*
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|
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* Since: 0.10.27
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**/
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g_object_class_install_property (gobject_class, PROP_MAX_ERRORS,
|
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g_param_spec_int ("max-errors", "Maximum Consecutive Decoding Errors",
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"Error out after receiving N consecutive decoding errors "
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"(-1 = never fail, 0 = automatic, 1 = fail on first error)",
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-1, G_MAXINT, JPEG_DEFAULT_MAX_ERRORS,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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2012-05-03 07:32:50 +00:00
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_jpeg_dec_src_pad_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_jpeg_dec_sink_pad_template));
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gst_element_class_set_details_simple (element_class, "JPEG image decoder",
|
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"Codec/Decoder/Image",
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"Decode images from JPEG format", "Wim Taymans <wim@fluendo.com>");
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2012-04-06 10:13:24 +00:00
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vdec_class->start = gst_jpeg_dec_start;
|
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vdec_class->stop = gst_jpeg_dec_stop;
|
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vdec_class->reset = gst_jpeg_dec_reset;
|
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vdec_class->parse = gst_jpeg_dec_parse;
|
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vdec_class->set_format = gst_jpeg_dec_set_format;
|
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vdec_class->handle_frame = gst_jpeg_dec_handle_frame;
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2012-05-03 07:32:50 +00:00
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vdec_class->decide_allocation = gst_jpeg_dec_decide_allocation;
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2001-12-23 15:24:07 +00:00
|
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Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
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GST_DEBUG_CATEGORY_INIT (jpeg_dec_debug, "jpegdec", 0, "JPEG decoder");
|
2009-09-18 14:26:42 +00:00
|
|
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GST_DEBUG_CATEGORY_GET (GST_CAT_PERFORMANCE, "GST_PERFORMANCE");
|
2001-12-23 15:24:07 +00:00
|
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}
|
2004-03-14 22:34:33 +00:00
|
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2010-12-11 17:39:20 +00:00
|
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static void
|
|
|
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gst_jpeg_dec_clear_error (GstJpegDec * dec)
|
|
|
|
{
|
|
|
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g_free (dec->error_msg);
|
|
|
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dec->error_msg = NULL;
|
|
|
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dec->error_line = 0;
|
|
|
|
dec->error_func = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
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static void
|
|
|
|
gst_jpeg_dec_set_error_va (GstJpegDec * dec, const gchar * func, gint line,
|
|
|
|
const gchar * debug_msg_format, va_list args)
|
|
|
|
{
|
|
|
|
#ifndef GST_DISABLE_GST_DEBUG
|
|
|
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gst_debug_log_valist (GST_CAT_DEFAULT, GST_LEVEL_WARNING, __FILE__, func,
|
|
|
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line, (GObject *) dec, debug_msg_format, args);
|
|
|
|
#endif
|
|
|
|
|
|
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g_free (dec->error_msg);
|
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if (debug_msg_format)
|
|
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dec->error_msg = g_strdup_vprintf (debug_msg_format, args);
|
|
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else
|
|
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dec->error_msg = NULL;
|
|
|
|
|
|
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dec->error_line = line;
|
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dec->error_func = func;
|
|
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}
|
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|
|
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static void
|
|
|
|
gst_jpeg_dec_set_error (GstJpegDec * dec, const gchar * func, gint line,
|
|
|
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const gchar * debug_msg_format, ...)
|
|
|
|
{
|
|
|
|
va_list va;
|
|
|
|
|
|
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va_start (va, debug_msg_format);
|
|
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gst_jpeg_dec_set_error_va (dec, func, line, debug_msg_format, va);
|
|
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va_end (va);
|
|
|
|
}
|
|
|
|
|
|
|
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static GstFlowReturn
|
|
|
|
gst_jpeg_dec_post_error_or_warning (GstJpegDec * dec)
|
|
|
|
{
|
|
|
|
GstFlowReturn ret;
|
|
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int max_errors;
|
|
|
|
|
|
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++dec->error_count;
|
|
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max_errors = g_atomic_int_get (&dec->max_errors);
|
|
|
|
|
|
|
|
if (max_errors < 0) {
|
|
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ret = GST_FLOW_OK;
|
|
|
|
} else if (max_errors == 0) {
|
|
|
|
/* FIXME: do something more clever in "automatic mode" */
|
2012-04-06 10:13:24 +00:00
|
|
|
if (gst_video_decoder_get_packetized (GST_VIDEO_DECODER (dec))) {
|
2010-12-11 17:39:20 +00:00
|
|
|
ret = (dec->error_count < 3) ? GST_FLOW_OK : GST_FLOW_ERROR;
|
|
|
|
} else {
|
|
|
|
ret = GST_FLOW_ERROR;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
ret = (dec->error_count < max_errors) ? GST_FLOW_OK : GST_FLOW_ERROR;
|
|
|
|
}
|
|
|
|
|
|
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GST_INFO_OBJECT (dec, "decoding error %d/%d (%s)", dec->error_count,
|
|
|
|
max_errors, (ret == GST_FLOW_OK) ? "ignoring error" : "erroring out");
|
|
|
|
|
|
|
|
gst_element_message_full (GST_ELEMENT (dec),
|
|
|
|
(ret == GST_FLOW_OK) ? GST_MESSAGE_WARNING : GST_MESSAGE_ERROR,
|
|
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GST_STREAM_ERROR, GST_STREAM_ERROR_DECODE,
|
|
|
|
g_strdup (_("Failed to decode JPEG image")), dec->error_msg,
|
|
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__FILE__, dec->error_func, dec->error_line);
|
|
|
|
|
|
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dec->error_msg = NULL;
|
|
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gst_jpeg_dec_clear_error (dec);
|
|
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|
return ret;
|
|
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|
}
|
|
|
|
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2007-01-08 12:45:10 +00:00
|
|
|
static boolean
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
gst_jpeg_dec_fill_input_buffer (j_decompress_ptr cinfo)
|
2001-12-23 15:24:07 +00:00
|
|
|
{
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
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GstJpegDec *dec;
|
|
|
|
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2010-05-31 10:45:01 +00:00
|
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dec = CINFO_GET_JPEGDEC (cinfo);
|
|
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g_return_val_if_fail (dec != NULL, FALSE);
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2012-04-06 10:13:24 +00:00
|
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g_return_val_if_fail (dec->current_frame != NULL, FALSE);
|
2012-05-03 07:32:50 +00:00
|
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g_return_val_if_fail (dec->current_frame_map.data != NULL, FALSE);
|
2010-05-31 10:45:01 +00:00
|
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|
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2012-05-03 07:32:50 +00:00
|
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cinfo->src->next_input_byte = dec->current_frame_map.data;
|
|
|
|
cinfo->src->bytes_in_buffer = dec->current_frame_map.size;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
2001-12-23 15:24:07 +00:00
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return TRUE;
|
|
|
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}
|
|
|
|
|
|
|
|
static void
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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gst_jpeg_dec_init_source (j_decompress_ptr cinfo)
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2001-12-23 15:24:07 +00:00
|
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|
{
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2009-04-01 23:05:14 +00:00
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GST_LOG_OBJECT (CINFO_GET_JPEGDEC (cinfo), "init_source");
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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}
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static void
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gst_jpeg_dec_skip_input_data (j_decompress_ptr cinfo, glong num_bytes)
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{
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2010-07-19 17:47:32 +00:00
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GstJpegDec *dec = CINFO_GET_JPEGDEC (cinfo);
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GST_DEBUG_OBJECT (dec, "skip %ld bytes", num_bytes);
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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if (num_bytes > 0 && cinfo->src->bytes_in_buffer >= num_bytes) {
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cinfo->src->next_input_byte += (size_t) num_bytes;
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cinfo->src->bytes_in_buffer -= (size_t) num_bytes;
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2012-04-06 10:13:24 +00:00
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}
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#if 0
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else if (num_bytes > 0) {
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2010-07-19 17:47:32 +00:00
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gint available;
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num_bytes -= cinfo->src->bytes_in_buffer;
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cinfo->src->next_input_byte += (size_t) cinfo->src->bytes_in_buffer;
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cinfo->src->bytes_in_buffer = 0;
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available = gst_adapter_available (dec->adapter);
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if (available < num_bytes || available < dec->rem_img_len) {
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GST_WARNING_OBJECT (dec, "Less bytes to skip than available in the "
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"adapter or the remaining image length %ld < %d or %u",
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num_bytes, available, dec->rem_img_len);
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}
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num_bytes = MIN (MIN (num_bytes, available), dec->rem_img_len);
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gst_adapter_flush (dec->adapter, num_bytes);
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dec->rem_img_len -= num_bytes;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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}
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2012-04-06 10:13:24 +00:00
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#endif
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2001-12-23 15:24:07 +00:00
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}
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2007-01-08 12:45:10 +00:00
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static boolean
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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gst_jpeg_dec_resync_to_restart (j_decompress_ptr cinfo, gint desired)
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2001-12-23 15:24:07 +00:00
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{
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2009-04-01 23:05:14 +00:00
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GST_LOG_OBJECT (CINFO_GET_JPEGDEC (cinfo), "resync_to_start");
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2001-12-23 15:24:07 +00:00
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return TRUE;
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}
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static void
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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gst_jpeg_dec_term_source (j_decompress_ptr cinfo)
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2001-12-23 15:24:07 +00:00
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{
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2009-04-01 23:05:14 +00:00
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GST_LOG_OBJECT (CINFO_GET_JPEGDEC (cinfo), "term_source");
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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return;
|
2001-12-23 15:24:07 +00:00
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}
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2005-01-10 22:00:15 +00:00
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METHODDEF (void)
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
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gst_jpeg_dec_my_output_message (j_common_ptr cinfo)
|
2005-01-10 22:00:15 +00:00
|
|
|
{
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
return; /* do nothing */
|
2005-01-10 22:00:15 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
METHODDEF (void)
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
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gst_jpeg_dec_my_emit_message (j_common_ptr cinfo, int msg_level)
|
2005-01-10 22:00:15 +00:00
|
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{
|
2009-04-01 23:05:14 +00:00
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/* GST_LOG_OBJECT (CINFO_GET_JPEGDEC (&cinfo), "msg_level=%d", msg_level); */
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
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return;
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|
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}
|
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|
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METHODDEF (void)
|
|
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gst_jpeg_dec_my_error_exit (j_common_ptr cinfo)
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|
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{
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struct GstJpegDecErrorMgr *err_mgr = (struct GstJpegDecErrorMgr *) cinfo->err;
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(*cinfo->err->output_message) (cinfo);
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longjmp (err_mgr->setjmp_buffer, 1);
|
2005-01-10 22:00:15 +00:00
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}
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2001-12-23 15:24:07 +00:00
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static void
|
2012-05-03 07:32:50 +00:00
|
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gst_jpeg_dec_init (GstJpegDec * dec)
|
2001-12-23 15:24:07 +00:00
|
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{
|
2004-08-09 16:38:53 +00:00
|
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GST_DEBUG ("initializing");
|
ext/gdk_pixbuf/gstgdkpixbuf.c: Fix logic bug causing spurious errors.
Original commit message from CVS:
* ext/gdk_pixbuf/gstgdkpixbuf.c: (gst_gdk_pixbuf_sink_link),
(gst_gdk_pixbuf_chain): Fix logic bug causing spurious errors.
* ext/jpeg/gstjpegdec.c: (gst_jpegdec_base_init),
(gst_jpegdec_init), (gst_jpegdec_chain): Fix negotiation.
* ext/jpeg/gstjpegenc.c: (gst_jpegenc_base_init),
(gst_jpegenc_class_init), (gst_jpegenc_init),
(gst_jpegenc_getcaps), (gst_jpegenc_link), (gst_jpegenc_resync),
(gst_jpegenc_chain), (gst_jpegenc_set_property),
(gst_jpegenc_get_property): Fix negotiation. Add some properties.
* ext/jpeg/gstjpegenc.h: Fix negotiation.
2004-02-11 08:31:35 +00:00
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2012-04-06 10:13:24 +00:00
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#if 0
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
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/* create the sink and src pads */
|
|
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dec->sinkpad =
|
2006-03-15 16:17:12 +00:00
|
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gst_pad_new_from_static_template (&gst_jpeg_dec_sink_pad_template,
|
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"sink");
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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gst_element_add_pad (GST_ELEMENT (dec), dec->sinkpad);
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2012-04-06 10:13:24 +00:00
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gst_pad_set_setcaps_function (dec->sinkpad,
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GST_DEBUG_FUNCPTR (gst_jpeg_dec_setcaps));
|
ext/gdk_pixbuf/gstgdkpixbuf.c: Fix logic bug causing spurious errors.
Original commit message from CVS:
* ext/gdk_pixbuf/gstgdkpixbuf.c: (gst_gdk_pixbuf_sink_link),
(gst_gdk_pixbuf_chain): Fix logic bug causing spurious errors.
* ext/jpeg/gstjpegdec.c: (gst_jpegdec_base_init),
(gst_jpegdec_init), (gst_jpegdec_chain): Fix negotiation.
* ext/jpeg/gstjpegenc.c: (gst_jpegenc_base_init),
(gst_jpegenc_class_init), (gst_jpegenc_init),
(gst_jpegenc_getcaps), (gst_jpegenc_link), (gst_jpegenc_resync),
(gst_jpegenc_chain), (gst_jpegenc_set_property),
(gst_jpegenc_get_property): Fix negotiation. Add some properties.
* ext/jpeg/gstjpegenc.h: Fix negotiation.
2004-02-11 08:31:35 +00:00
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Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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dec->srcpad =
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2006-03-15 16:17:12 +00:00
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gst_pad_new_from_static_template (&gst_jpeg_dec_src_pad_template, "src");
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2006-06-09 17:12:52 +00:00
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gst_pad_use_fixed_caps (dec->srcpad);
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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gst_element_add_pad (GST_ELEMENT (dec), dec->srcpad);
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2012-04-06 10:13:24 +00:00
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#endif
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2001-12-23 15:24:07 +00:00
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/* setup jpeglib */
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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memset (&dec->cinfo, 0, sizeof (dec->cinfo));
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memset (&dec->jerr, 0, sizeof (dec->jerr));
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dec->cinfo.err = jpeg_std_error (&dec->jerr.pub);
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dec->jerr.pub.output_message = gst_jpeg_dec_my_output_message;
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dec->jerr.pub.emit_message = gst_jpeg_dec_my_emit_message;
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dec->jerr.pub.error_exit = gst_jpeg_dec_my_error_exit;
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jpeg_create_decompress (&dec->cinfo);
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dec->cinfo.src = (struct jpeg_source_mgr *) &dec->jsrc;
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dec->cinfo.src->init_source = gst_jpeg_dec_init_source;
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dec->cinfo.src->fill_input_buffer = gst_jpeg_dec_fill_input_buffer;
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dec->cinfo.src->skip_input_data = gst_jpeg_dec_skip_input_data;
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dec->cinfo.src->resync_to_restart = gst_jpeg_dec_resync_to_restart;
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dec->cinfo.src->term_source = gst_jpeg_dec_term_source;
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dec->jsrc.dec = dec;
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2006-06-09 17:12:52 +00:00
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/* init properties */
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2009-07-30 14:57:53 +00:00
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dec->idct_method = JPEG_DEFAULT_IDCT_METHOD;
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2010-12-11 17:39:20 +00:00
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dec->max_errors = JPEG_DEFAULT_MAX_ERRORS;
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2001-12-23 15:24:07 +00:00
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}
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2012-04-06 10:13:24 +00:00
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#if 0
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Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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static gboolean
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gst_jpeg_dec_ensure_header (GstJpegDec * dec)
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2003-07-06 20:49:52 +00:00
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{
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2010-05-27 13:45:23 +00:00
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gint av;
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gint offset;
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av = gst_adapter_available (dec->adapter);
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/* we expect at least 4 bytes, first of which start marker */
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offset = gst_adapter_masked_scan_uint32 (dec->adapter, 0xffffff00, 0xffd8ff00,
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0, av);
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if (G_UNLIKELY (offset < 0)) {
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GST_DEBUG_OBJECT (dec, "No JPEG header in current buffer");
|
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/* not found */
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if (av > 4)
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gst_adapter_flush (dec->adapter, av - 4);
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return FALSE;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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}
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2003-07-06 20:49:52 +00:00
|
|
|
|
2010-12-06 17:17:24 +00:00
|
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if (offset > 0) {
|
|
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GST_LOG_OBJECT (dec, "Skipping %u bytes.", offset);
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gst_adapter_flush (dec->adapter, offset);
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}
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2010-05-27 13:45:23 +00:00
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GST_DEBUG_OBJECT (dec, "Found JPEG header");
|
2003-07-06 20:49:52 +00:00
|
|
|
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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return TRUE;
|
|
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}
|
2012-04-06 10:13:24 +00:00
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#endif
|
2004-01-02 07:09:23 +00:00
|
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|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
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static inline gboolean
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gst_jpeg_dec_parse_tag_has_entropy_segment (guint8 tag)
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|
|
|
{
|
|
|
|
if (tag == 0xda || (tag >= 0xd0 && tag <= 0xd7))
|
|
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return TRUE;
|
|
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return FALSE;
|
|
|
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}
|
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
static GstFlowReturn
|
|
|
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gst_jpeg_dec_parse (GstVideoDecoder * bdec, GstVideoCodecFrame * frame,
|
|
|
|
GstAdapter * adapter, gboolean at_eos)
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
{
|
|
|
|
guint size;
|
2012-05-17 07:33:18 +00:00
|
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gint toadd = 0;
|
2010-04-29 14:26:49 +00:00
|
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gboolean resync;
|
2012-04-06 10:13:24 +00:00
|
|
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gint offset = 0, noffset;
|
|
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GstJpegDec *dec = (GstJpegDec *) bdec;
|
|
|
|
|
|
|
|
/* FIXME : The overhead of using scan_uint32 is massive */
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
2010-05-27 13:45:23 +00:00
|
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size = gst_adapter_available (adapter);
|
2012-04-06 10:13:24 +00:00
|
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|
GST_DEBUG ("Parsing jpeg image data (%u bytes)", size);
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
if (at_eos) {
|
|
|
|
GST_DEBUG ("Flushing all data out");
|
|
|
|
toadd = size;
|
2012-05-17 07:31:41 +00:00
|
|
|
|
|
|
|
/* If we have leftover data, throw it away */
|
|
|
|
if (!dec->saw_header)
|
|
|
|
goto drop_frame;
|
2012-04-06 10:13:24 +00:00
|
|
|
goto have_full_frame;
|
|
|
|
}
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
if (size < 8)
|
|
|
|
goto need_more_data;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
2012-05-17 07:33:18 +00:00
|
|
|
if (!dec->saw_header) {
|
|
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|
gint ret;
|
|
|
|
/* we expect at least 4 bytes, first of which start marker */
|
|
|
|
ret =
|
|
|
|
gst_adapter_masked_scan_uint32 (adapter, 0xffff0000, 0xffd80000, 0,
|
|
|
|
size - 4);
|
2010-04-29 14:26:49 +00:00
|
|
|
|
2012-05-17 07:33:18 +00:00
|
|
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GST_DEBUG ("ret:%d", ret);
|
|
|
|
if (ret < 0)
|
|
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|
goto need_more_data;
|
|
|
|
|
|
|
|
if (ret) {
|
|
|
|
gst_adapter_flush (adapter, ret);
|
|
|
|
size -= ret;
|
|
|
|
}
|
2012-05-17 07:31:41 +00:00
|
|
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dec->saw_header = TRUE;
|
2012-04-06 10:13:24 +00:00
|
|
|
}
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
|
|
|
while (1) {
|
|
|
|
guint frame_len;
|
2010-05-27 13:45:23 +00:00
|
|
|
guint32 value;
|
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
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GST_DEBUG ("offset:%d, size:%d", offset, size);
|
|
|
|
|
2010-05-27 13:45:23 +00:00
|
|
|
noffset =
|
|
|
|
gst_adapter_masked_scan_uint32_peek (adapter, 0x0000ff00, 0x0000ff00,
|
|
|
|
offset, size - offset, &value);
|
2012-04-06 10:13:24 +00:00
|
|
|
|
2010-05-27 13:45:23 +00:00
|
|
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/* lost sync if 0xff marker not where expected */
|
|
|
|
if ((resync = (noffset != offset))) {
|
|
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GST_DEBUG ("Lost sync at 0x%08x, resyncing", offset + 2);
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
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}
|
2010-04-29 14:26:49 +00:00
|
|
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/* may have marker, but could have been resyncng */
|
|
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resync = resync || dec->parse_resync;
|
2009-05-06 11:22:51 +00:00
|
|
|
/* Skip over extra 0xff */
|
2010-07-05 10:05:57 +00:00
|
|
|
while ((noffset >= 0) && ((value & 0xff) == 0xff)) {
|
2010-05-27 13:45:23 +00:00
|
|
|
noffset++;
|
|
|
|
noffset =
|
|
|
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gst_adapter_masked_scan_uint32_peek (adapter, 0x0000ff00, 0x0000ff00,
|
|
|
|
noffset, size - noffset, &value);
|
|
|
|
}
|
2009-05-06 11:22:51 +00:00
|
|
|
/* enough bytes left for marker? (we need 0xNN after the 0xff) */
|
2010-05-27 13:45:23 +00:00
|
|
|
if (noffset < 0) {
|
2009-05-06 11:11:53 +00:00
|
|
|
GST_DEBUG ("at end of input and no EOI marker found, need more data");
|
2010-05-27 13:45:23 +00:00
|
|
|
goto need_more_data;
|
2009-05-06 11:11:53 +00:00
|
|
|
}
|
|
|
|
|
2010-05-27 13:45:23 +00:00
|
|
|
/* now lock on the marker we found */
|
|
|
|
offset = noffset;
|
|
|
|
value = value & 0xff;
|
|
|
|
if (value == 0xd9) {
|
|
|
|
GST_DEBUG ("0x%08x: EOI marker", offset + 2);
|
2010-04-29 14:26:49 +00:00
|
|
|
/* clear parse state */
|
2012-05-17 07:31:41 +00:00
|
|
|
dec->saw_header = FALSE;
|
2010-04-29 14:26:49 +00:00
|
|
|
dec->parse_resync = FALSE;
|
2012-04-06 10:13:24 +00:00
|
|
|
toadd = offset + 4;
|
|
|
|
goto have_full_frame;
|
|
|
|
}
|
|
|
|
if (value == 0xd8) {
|
2010-12-06 17:16:19 +00:00
|
|
|
/* Skip this frame if we found another SOI marker */
|
|
|
|
GST_DEBUG ("0x%08x: SOI marker before EOI, skipping", offset + 2);
|
|
|
|
dec->parse_resync = FALSE;
|
2012-04-06 10:13:24 +00:00
|
|
|
/* FIXME : Need to skip data */
|
|
|
|
toadd -= offset + 2;
|
|
|
|
goto have_full_frame;
|
2009-05-06 11:11:53 +00:00
|
|
|
}
|
|
|
|
|
2010-12-06 17:16:19 +00:00
|
|
|
|
2010-05-27 13:45:23 +00:00
|
|
|
if (value >= 0xd0 && value <= 0xd7)
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
frame_len = 0;
|
2010-05-27 13:45:23 +00:00
|
|
|
else {
|
|
|
|
/* peek tag and subsequent length */
|
|
|
|
if (offset + 2 + 4 > size)
|
|
|
|
goto need_more_data;
|
|
|
|
else
|
|
|
|
gst_adapter_masked_scan_uint32_peek (adapter, 0x0, 0x0, offset + 2, 4,
|
|
|
|
&frame_len);
|
|
|
|
frame_len = frame_len & 0xffff;
|
|
|
|
}
|
|
|
|
GST_DEBUG ("0x%08x: tag %02x, frame_len=%u", offset + 2, value, frame_len);
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
/* the frame length includes the 2 bytes for the length; here we want at
|
2010-05-27 13:45:23 +00:00
|
|
|
* least 2 more bytes at the end for an end marker */
|
|
|
|
if (offset + 2 + 2 + frame_len + 2 > size) {
|
|
|
|
goto need_more_data;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
}
|
2009-05-06 11:22:51 +00:00
|
|
|
|
2010-05-27 13:45:23 +00:00
|
|
|
if (gst_jpeg_dec_parse_tag_has_entropy_segment (value)) {
|
2010-04-29 14:26:49 +00:00
|
|
|
guint eseglen = dec->parse_entropy_len;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
GST_DEBUG ("0x%08x: finding entropy segment length (eseglen:%d)",
|
|
|
|
offset + 2, eseglen);
|
|
|
|
if (size < offset + 2 + frame_len + eseglen)
|
|
|
|
goto need_more_data;
|
2010-05-27 13:45:23 +00:00
|
|
|
noffset = offset + 2 + frame_len + dec->parse_entropy_len;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
while (1) {
|
2012-04-06 10:13:24 +00:00
|
|
|
GST_DEBUG ("noffset:%d, size:%d, size - noffset:%d",
|
|
|
|
noffset, size, size - noffset);
|
2010-05-27 13:45:23 +00:00
|
|
|
noffset = gst_adapter_masked_scan_uint32_peek (adapter, 0x0000ff00,
|
|
|
|
0x0000ff00, noffset, size - noffset, &value);
|
|
|
|
if (noffset < 0) {
|
2010-04-29 14:26:49 +00:00
|
|
|
/* need more data */
|
2010-05-27 13:45:23 +00:00
|
|
|
dec->parse_entropy_len = size - offset - 4 - frame_len - 2;
|
|
|
|
goto need_more_data;
|
2010-04-29 14:26:49 +00:00
|
|
|
}
|
2010-05-27 13:45:23 +00:00
|
|
|
if ((value & 0xff) != 0x00) {
|
|
|
|
eseglen = noffset - offset - frame_len - 2;
|
2010-02-22 19:55:29 +00:00
|
|
|
break;
|
2010-05-27 13:45:23 +00:00
|
|
|
}
|
|
|
|
noffset++;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
}
|
2010-04-29 14:26:49 +00:00
|
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|
dec->parse_entropy_len = 0;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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frame_len += eseglen;
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GST_DEBUG ("entropy segment length=%u => frame_len=%u", eseglen,
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frame_len);
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}
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2009-05-06 11:22:51 +00:00
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if (resync) {
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/* check if we will still be in sync if we interpret
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* this as a sync point and skip this frame */
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2010-05-27 13:45:23 +00:00
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noffset = offset + frame_len + 2;
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noffset = gst_adapter_masked_scan_uint32 (adapter, 0x0000ff00, 0x0000ff00,
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noffset, 4);
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if (noffset < 0) {
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2009-05-06 11:22:51 +00:00
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/* ignore and continue resyncing until we hit the end
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* of our data or find a sync point that looks okay */
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2010-12-06 16:45:38 +00:00
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offset++;
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2009-05-06 11:22:51 +00:00
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continue;
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}
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2010-05-27 13:45:23 +00:00
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GST_DEBUG ("found sync at 0x%x", offset + 2);
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2009-05-06 11:22:51 +00:00
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}
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2012-04-06 10:13:24 +00:00
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/* Add current data to output buffer */
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toadd += frame_len + 2;
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2010-05-27 13:45:23 +00:00
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offset += frame_len + 2;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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}
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2010-04-29 14:26:49 +00:00
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need_more_data:
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2012-04-06 10:13:24 +00:00
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if (toadd)
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gst_video_decoder_add_to_frame (bdec, toadd);
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return GST_VIDEO_DECODER_FLOW_NEED_DATA;
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have_full_frame:
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if (toadd)
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gst_video_decoder_add_to_frame (bdec, toadd);
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return gst_video_decoder_have_frame (bdec);
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2012-05-17 07:31:41 +00:00
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drop_frame:
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2012-05-18 09:02:52 +00:00
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gst_adapter_flush (adapter, size);
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return GST_FLOW_OK;
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2003-07-06 20:49:52 +00:00
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}
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2012-04-06 10:13:24 +00:00
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2003-06-15 16:05:38 +00:00
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/* shamelessly ripped from jpegutils.c in mjpegtools */
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2004-03-14 22:34:33 +00:00
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static void
|
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add_huff_table (j_decompress_ptr dinfo,
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|
JHUFF_TBL ** htblptr, const UINT8 * bits, const UINT8 * val)
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2003-06-15 16:05:38 +00:00
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/* Define a Huffman table */
|
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|
{
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int nsymbols, len;
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if (*htblptr == NULL)
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2004-03-14 22:34:33 +00:00
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*htblptr = jpeg_alloc_huff_table ((j_common_ptr) dinfo);
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2003-06-15 16:05:38 +00:00
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2009-09-28 13:29:45 +00:00
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g_assert (*htblptr);
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2003-06-15 16:05:38 +00:00
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/* Copy the number-of-symbols-of-each-code-length counts */
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2004-03-14 22:34:33 +00:00
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memcpy ((*htblptr)->bits, bits, sizeof ((*htblptr)->bits));
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2003-06-15 16:05:38 +00:00
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/* Validate the counts. We do this here mainly so we can copy the right
|
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* number of symbols from the val[] array, without risking marching off
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* the end of memory. jchuff.c will do a more thorough test later.
|
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*/
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nsymbols = 0;
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for (len = 1; len <= 16; len++)
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nsymbols += bits[len];
|
|
|
|
if (nsymbols < 1 || nsymbols > 256)
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2004-03-14 22:34:33 +00:00
|
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g_error ("jpegutils.c: add_huff_table failed badly. ");
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2003-06-15 16:05:38 +00:00
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2004-03-14 22:34:33 +00:00
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memcpy ((*htblptr)->huffval, val, nsymbols * sizeof (UINT8));
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2003-06-15 16:05:38 +00:00
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|
}
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2004-03-14 22:34:33 +00:00
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static void
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std_huff_tables (j_decompress_ptr dinfo)
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2003-06-15 16:05:38 +00:00
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/* Set up the standard Huffman tables (cf. JPEG standard section K.3) */
|
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|
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/* IMPORTANT: these are only valid for 8-bit data precision! */
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|
{
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static const UINT8 bits_dc_luminance[17] =
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2004-03-14 22:34:33 +00:00
|
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|
{ /* 0-base */ 0, 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 };
|
2003-06-15 16:05:38 +00:00
|
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|
static const UINT8 val_dc_luminance[] =
|
2004-03-14 22:34:33 +00:00
|
|
|
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 };
|
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|
|
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2003-06-15 16:05:38 +00:00
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static const UINT8 bits_dc_chrominance[17] =
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2004-03-14 22:34:33 +00:00
|
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|
{ /* 0-base */ 0, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 };
|
2003-06-15 16:05:38 +00:00
|
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|
static const UINT8 val_dc_chrominance[] =
|
2004-03-14 22:34:33 +00:00
|
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|
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 };
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|
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2003-06-15 16:05:38 +00:00
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static const UINT8 bits_ac_luminance[17] =
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2004-03-14 22:34:33 +00:00
|
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|
{ /* 0-base */ 0, 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d };
|
2003-06-15 16:05:38 +00:00
|
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|
static const UINT8 val_ac_luminance[] =
|
2004-03-14 22:34:33 +00:00
|
|
|
{ 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12,
|
|
|
|
0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07,
|
|
|
|
0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08,
|
|
|
|
0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0,
|
|
|
|
0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16,
|
|
|
|
0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28,
|
|
|
|
0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
|
|
|
|
0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49,
|
|
|
|
0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
|
|
|
|
0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69,
|
|
|
|
0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79,
|
|
|
|
0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
|
|
|
|
0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
|
|
|
|
0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
|
|
|
|
0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6,
|
|
|
|
0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5,
|
|
|
|
0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4,
|
|
|
|
0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2,
|
|
|
|
0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea,
|
|
|
|
0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
|
|
|
|
0xf9, 0xfa
|
|
|
|
};
|
|
|
|
|
2003-06-15 16:05:38 +00:00
|
|
|
static const UINT8 bits_ac_chrominance[17] =
|
2004-03-14 22:34:33 +00:00
|
|
|
{ /* 0-base */ 0, 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77 };
|
2003-06-15 16:05:38 +00:00
|
|
|
static const UINT8 val_ac_chrominance[] =
|
2004-03-14 22:34:33 +00:00
|
|
|
{ 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21,
|
|
|
|
0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71,
|
|
|
|
0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91,
|
|
|
|
0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0,
|
|
|
|
0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34,
|
|
|
|
0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26,
|
|
|
|
0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38,
|
|
|
|
0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48,
|
|
|
|
0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
|
|
|
|
0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
|
|
|
|
0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
|
|
|
|
0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
|
|
|
|
0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96,
|
|
|
|
0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5,
|
|
|
|
0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4,
|
|
|
|
0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3,
|
|
|
|
0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2,
|
|
|
|
0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda,
|
|
|
|
0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
|
|
|
|
0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
|
|
|
|
0xf9, 0xfa
|
|
|
|
};
|
|
|
|
|
|
|
|
add_huff_table (dinfo, &dinfo->dc_huff_tbl_ptrs[0],
|
|
|
|
bits_dc_luminance, val_dc_luminance);
|
|
|
|
add_huff_table (dinfo, &dinfo->ac_huff_tbl_ptrs[0],
|
|
|
|
bits_ac_luminance, val_ac_luminance);
|
|
|
|
add_huff_table (dinfo, &dinfo->dc_huff_tbl_ptrs[1],
|
|
|
|
bits_dc_chrominance, val_dc_chrominance);
|
|
|
|
add_huff_table (dinfo, &dinfo->ac_huff_tbl_ptrs[1],
|
|
|
|
bits_ac_chrominance, val_ac_chrominance);
|
2003-06-15 16:05:38 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
2004-03-14 22:34:33 +00:00
|
|
|
static void
|
|
|
|
guarantee_huff_tables (j_decompress_ptr dinfo)
|
2003-06-15 16:05:38 +00:00
|
|
|
{
|
2004-03-14 22:34:33 +00:00
|
|
|
if ((dinfo->dc_huff_tbl_ptrs[0] == NULL) &&
|
|
|
|
(dinfo->dc_huff_tbl_ptrs[1] == NULL) &&
|
|
|
|
(dinfo->ac_huff_tbl_ptrs[0] == NULL) &&
|
|
|
|
(dinfo->ac_huff_tbl_ptrs[1] == NULL)) {
|
|
|
|
GST_DEBUG ("Generating standard Huffman tables for this frame.");
|
|
|
|
std_huff_tables (dinfo);
|
2003-06-15 16:05:38 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2005-08-08 19:09:19 +00:00
|
|
|
static gboolean
|
2012-04-06 10:13:24 +00:00
|
|
|
gst_jpeg_dec_set_format (GstVideoDecoder * dec, GstVideoCodecState * state)
|
2005-08-08 19:09:19 +00:00
|
|
|
{
|
2012-04-06 10:13:24 +00:00
|
|
|
GstJpegDec *jpeg = GST_JPEG_DEC (dec);
|
|
|
|
GstVideoInfo *info = &state->info;
|
|
|
|
|
|
|
|
/* FIXME : previously jpegdec would handled input as packetized
|
|
|
|
* if the framerate was present. Here we consider it packetized if
|
|
|
|
* the fps is != 1/1 */
|
|
|
|
if (GST_VIDEO_INFO_FPS_N (info) != 1 && GST_VIDEO_INFO_FPS_D (info) != 1)
|
|
|
|
gst_video_decoder_set_packetized (dec, TRUE);
|
|
|
|
else
|
|
|
|
gst_video_decoder_set_packetized (dec, FALSE);
|
2006-03-15 16:17:12 +00:00
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
if (jpeg->input_state)
|
|
|
|
gst_video_codec_state_unref (jpeg->input_state);
|
|
|
|
jpeg->input_state = gst_video_codec_state_ref (state);
|
2006-03-15 16:17:12 +00:00
|
|
|
|
2005-08-08 19:09:19 +00:00
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2011-09-27 18:25:53 +00:00
|
|
|
|
2006-05-22 15:23:05 +00:00
|
|
|
/* yuk */
|
|
|
|
static void
|
|
|
|
hresamplecpy1 (guint8 * dest, const guint8 * src, guint len)
|
|
|
|
{
|
|
|
|
gint i;
|
|
|
|
|
|
|
|
for (i = 0; i < len; ++i) {
|
|
|
|
/* equivalent to: dest[i] = src[i << 1] */
|
|
|
|
*dest = *src;
|
|
|
|
++dest;
|
|
|
|
++src;
|
|
|
|
++src;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-11-09 15:20:00 +00:00
|
|
|
static void
|
|
|
|
gst_jpeg_dec_free_buffers (GstJpegDec * dec)
|
|
|
|
{
|
|
|
|
gint i;
|
|
|
|
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
|
|
g_free (dec->idr_y[i]);
|
|
|
|
g_free (dec->idr_u[i]);
|
|
|
|
g_free (dec->idr_v[i]);
|
|
|
|
dec->idr_y[i] = NULL;
|
|
|
|
dec->idr_u[i] = NULL;
|
|
|
|
dec->idr_v[i] = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
dec->idr_width_allocated = 0;
|
|
|
|
}
|
|
|
|
|
2009-11-09 11:40:25 +00:00
|
|
|
static inline gboolean
|
|
|
|
gst_jpeg_dec_ensure_buffers (GstJpegDec * dec, guint maxrowbytes)
|
|
|
|
{
|
|
|
|
gint i;
|
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
if (G_LIKELY (dec->idr_width_allocated == maxrowbytes))
|
2009-11-09 11:40:25 +00:00
|
|
|
return TRUE;
|
|
|
|
|
|
|
|
/* FIXME: maybe just alloc one or three blocks altogether? */
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
|
|
dec->idr_y[i] = g_try_realloc (dec->idr_y[i], maxrowbytes);
|
|
|
|
dec->idr_u[i] = g_try_realloc (dec->idr_u[i], maxrowbytes);
|
|
|
|
dec->idr_v[i] = g_try_realloc (dec->idr_v[i], maxrowbytes);
|
|
|
|
|
|
|
|
if (G_UNLIKELY (!dec->idr_y[i] || !dec->idr_u[i] || !dec->idr_v[i])) {
|
|
|
|
GST_WARNING_OBJECT (dec, "out of memory, i=%d, bytes=%u", i, maxrowbytes);
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
dec->idr_width_allocated = maxrowbytes;
|
|
|
|
GST_LOG_OBJECT (dec, "allocated temp memory, %u bytes/row", maxrowbytes);
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2010-05-18 17:46:54 +00:00
|
|
|
static void
|
2012-05-03 07:32:50 +00:00
|
|
|
gst_jpeg_dec_decode_grayscale (GstJpegDec * dec, GstVideoFrame * frame)
|
2010-05-18 17:46:54 +00:00
|
|
|
{
|
|
|
|
guchar *rows[16];
|
|
|
|
guchar **scanarray[1] = { rows };
|
|
|
|
gint i, j, k;
|
|
|
|
gint lines;
|
2012-05-03 07:32:50 +00:00
|
|
|
guint8 *base[1];
|
|
|
|
gint width, height;
|
|
|
|
gint pstride, rstride;
|
2010-05-18 17:46:54 +00:00
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (dec, "indirect decoding of grayscale");
|
|
|
|
|
2012-05-03 07:32:50 +00:00
|
|
|
width = GST_VIDEO_FRAME_WIDTH (frame);
|
|
|
|
height = GST_VIDEO_FRAME_HEIGHT (frame);
|
|
|
|
|
2010-05-18 17:46:54 +00:00
|
|
|
if (G_UNLIKELY (!gst_jpeg_dec_ensure_buffers (dec, GST_ROUND_UP_32 (width))))
|
|
|
|
return;
|
|
|
|
|
2012-05-03 07:32:50 +00:00
|
|
|
base[0] = GST_VIDEO_FRAME_COMP_DATA (frame, 0);
|
|
|
|
pstride = GST_VIDEO_FRAME_COMP_PSTRIDE (frame, 0);
|
|
|
|
rstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0);
|
|
|
|
|
2010-05-18 17:46:54 +00:00
|
|
|
memcpy (rows, dec->idr_y, 16 * sizeof (gpointer));
|
|
|
|
|
|
|
|
i = 0;
|
|
|
|
while (i < height) {
|
|
|
|
lines = jpeg_read_raw_data (&dec->cinfo, scanarray, DCTSIZE);
|
|
|
|
if (G_LIKELY (lines > 0)) {
|
|
|
|
for (j = 0; (j < DCTSIZE) && (i < height); j++, i++) {
|
|
|
|
gint p;
|
|
|
|
|
|
|
|
p = 0;
|
|
|
|
for (k = 0; k < width; k++) {
|
|
|
|
base[0][p] = rows[j][k];
|
|
|
|
p += pstride;
|
|
|
|
}
|
|
|
|
base[0] += rstride;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
GST_INFO_OBJECT (dec, "jpeg_read_raw_data() returned 0");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2010-04-27 13:44:39 +00:00
|
|
|
static void
|
2012-05-03 07:32:50 +00:00
|
|
|
gst_jpeg_dec_decode_rgb (GstJpegDec * dec, GstVideoFrame * frame)
|
2010-04-27 13:44:39 +00:00
|
|
|
{
|
|
|
|
guchar *r_rows[16], *g_rows[16], *b_rows[16];
|
|
|
|
guchar **scanarray[3] = { r_rows, g_rows, b_rows };
|
|
|
|
gint i, j, k;
|
|
|
|
gint lines;
|
2012-05-03 07:32:50 +00:00
|
|
|
guint8 *base[3];
|
|
|
|
guint pstride, rstride;
|
|
|
|
gint width, height;
|
2010-04-27 13:44:39 +00:00
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (dec, "indirect decoding of RGB");
|
|
|
|
|
2012-05-03 07:32:50 +00:00
|
|
|
width = GST_VIDEO_FRAME_WIDTH (frame);
|
|
|
|
height = GST_VIDEO_FRAME_HEIGHT (frame);
|
|
|
|
|
2010-04-27 13:44:39 +00:00
|
|
|
if (G_UNLIKELY (!gst_jpeg_dec_ensure_buffers (dec, GST_ROUND_UP_32 (width))))
|
|
|
|
return;
|
|
|
|
|
2012-05-03 07:32:50 +00:00
|
|
|
for (i = 0; i < 3; i++)
|
|
|
|
base[i] = GST_VIDEO_FRAME_COMP_DATA (frame, i);
|
|
|
|
|
|
|
|
pstride = GST_VIDEO_FRAME_COMP_PSTRIDE (frame, 0);
|
|
|
|
rstride = GST_VIDEO_FRAME_COMP_STRIDE (frame, 0);
|
|
|
|
|
2010-04-27 13:44:39 +00:00
|
|
|
memcpy (r_rows, dec->idr_y, 16 * sizeof (gpointer));
|
|
|
|
memcpy (g_rows, dec->idr_u, 16 * sizeof (gpointer));
|
|
|
|
memcpy (b_rows, dec->idr_v, 16 * sizeof (gpointer));
|
|
|
|
|
|
|
|
i = 0;
|
|
|
|
while (i < height) {
|
|
|
|
lines = jpeg_read_raw_data (&dec->cinfo, scanarray, DCTSIZE);
|
|
|
|
if (G_LIKELY (lines > 0)) {
|
|
|
|
for (j = 0; (j < DCTSIZE) && (i < height); j++, i++) {
|
|
|
|
gint p;
|
|
|
|
|
|
|
|
p = 0;
|
|
|
|
for (k = 0; k < width; k++) {
|
|
|
|
base[0][p] = r_rows[j][k];
|
|
|
|
base[1][p] = g_rows[j][k];
|
|
|
|
base[2][p] = b_rows[j][k];
|
|
|
|
p += pstride;
|
|
|
|
}
|
|
|
|
base[0] += rstride;
|
|
|
|
base[1] += rstride;
|
|
|
|
base[2] += rstride;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
GST_INFO_OBJECT (dec, "jpeg_read_raw_data() returned 0");
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2005-08-12 19:33:31 +00:00
|
|
|
static void
|
2012-05-03 07:32:50 +00:00
|
|
|
gst_jpeg_dec_decode_indirect (GstJpegDec * dec, GstVideoFrame * frame, gint r_v,
|
|
|
|
gint r_h, gint comp)
|
2005-08-12 19:33:31 +00:00
|
|
|
{
|
2009-11-03 15:35:15 +00:00
|
|
|
guchar *y_rows[16], *u_rows[16], *v_rows[16];
|
2005-08-12 19:33:31 +00:00
|
|
|
guchar **scanarray[3] = { y_rows, u_rows, v_rows };
|
|
|
|
gint i, j, k;
|
2009-09-28 13:29:45 +00:00
|
|
|
gint lines;
|
2012-05-03 07:32:50 +00:00
|
|
|
guchar *base[3], *last[3];
|
|
|
|
gint stride[3];
|
|
|
|
gint width, height;
|
2005-08-12 19:33:31 +00:00
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (dec,
|
2006-05-22 15:23:05 +00:00
|
|
|
"unadvantageous width or r_h, taking slow route involving memcpy");
|
2005-08-12 19:33:31 +00:00
|
|
|
|
2012-05-03 07:32:50 +00:00
|
|
|
width = GST_VIDEO_FRAME_WIDTH (frame);
|
|
|
|
height = GST_VIDEO_FRAME_HEIGHT (frame);
|
|
|
|
|
2009-11-09 11:40:25 +00:00
|
|
|
if (G_UNLIKELY (!gst_jpeg_dec_ensure_buffers (dec, GST_ROUND_UP_32 (width))))
|
|
|
|
return;
|
2009-11-03 15:35:15 +00:00
|
|
|
|
2012-05-03 07:32:50 +00:00
|
|
|
for (i = 0; i < 3; i++) {
|
|
|
|
base[i] = GST_VIDEO_FRAME_COMP_DATA (frame, i);
|
|
|
|
stride[i] = GST_VIDEO_FRAME_COMP_STRIDE (frame, i);
|
|
|
|
/* make sure we don't make jpeglib write beyond our buffer,
|
|
|
|
* which might happen if (height % (r_v*DCTSIZE)) != 0 */
|
|
|
|
last[i] = base[i] + (GST_VIDEO_FRAME_COMP_STRIDE (frame, i) *
|
|
|
|
(GST_VIDEO_FRAME_COMP_HEIGHT (frame, i) - 1));
|
|
|
|
}
|
|
|
|
|
2009-11-03 15:35:15 +00:00
|
|
|
memcpy (y_rows, dec->idr_y, 16 * sizeof (gpointer));
|
|
|
|
memcpy (u_rows, dec->idr_u, 16 * sizeof (gpointer));
|
|
|
|
memcpy (v_rows, dec->idr_v, 16 * sizeof (gpointer));
|
|
|
|
|
2010-04-27 13:44:39 +00:00
|
|
|
/* fill chroma components for grayscale */
|
|
|
|
if (comp == 1) {
|
|
|
|
GST_DEBUG_OBJECT (dec, "grayscale, filling chroma");
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
|
|
memset (u_rows[i], GST_ROUND_UP_32 (width), 0x80);
|
|
|
|
memset (v_rows[i], GST_ROUND_UP_32 (width), 0x80);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2005-08-12 19:33:31 +00:00
|
|
|
for (i = 0; i < height; i += r_v * DCTSIZE) {
|
2009-09-28 13:29:45 +00:00
|
|
|
lines = jpeg_read_raw_data (&dec->cinfo, scanarray, r_v * DCTSIZE);
|
2009-10-16 12:41:45 +00:00
|
|
|
if (G_LIKELY (lines > 0)) {
|
2009-09-28 13:29:45 +00:00
|
|
|
for (j = 0, k = 0; j < (r_v * DCTSIZE); j += r_v, k++) {
|
2010-04-29 13:38:49 +00:00
|
|
|
if (G_LIKELY (base[0] <= last[0])) {
|
2012-05-03 07:32:50 +00:00
|
|
|
memcpy (base[0], y_rows[j], stride[0]);
|
|
|
|
base[0] += stride[0];
|
2010-04-29 13:38:49 +00:00
|
|
|
}
|
2009-10-16 12:41:45 +00:00
|
|
|
if (r_v == 2) {
|
2010-04-29 13:38:49 +00:00
|
|
|
if (G_LIKELY (base[0] <= last[0])) {
|
2012-05-03 07:32:50 +00:00
|
|
|
memcpy (base[0], y_rows[j + 1], stride[0]);
|
|
|
|
base[0] += stride[0];
|
2010-04-29 13:38:49 +00:00
|
|
|
}
|
2009-09-28 13:29:45 +00:00
|
|
|
}
|
2010-04-29 13:38:49 +00:00
|
|
|
if (G_LIKELY (base[1] <= last[1] && base[2] <= last[2])) {
|
|
|
|
if (r_h == 2) {
|
2012-05-03 07:32:50 +00:00
|
|
|
memcpy (base[1], u_rows[k], stride[1]);
|
|
|
|
memcpy (base[2], v_rows[k], stride[2]);
|
2010-04-29 13:38:49 +00:00
|
|
|
} else if (r_h == 1) {
|
2012-05-03 07:32:50 +00:00
|
|
|
hresamplecpy1 (base[1], u_rows[k], stride[1]);
|
|
|
|
hresamplecpy1 (base[2], v_rows[k], stride[2]);
|
2010-04-29 13:38:49 +00:00
|
|
|
} else {
|
|
|
|
/* FIXME: implement (at least we avoid crashing by doing nothing) */
|
|
|
|
}
|
2009-09-28 13:29:45 +00:00
|
|
|
}
|
2006-05-22 15:23:05 +00:00
|
|
|
|
2009-09-28 13:29:45 +00:00
|
|
|
if (r_v == 2 || (k & 1) != 0) {
|
2012-05-03 07:32:50 +00:00
|
|
|
base[1] += stride[1];
|
|
|
|
base[2] += stride[2];
|
2005-08-12 19:33:31 +00:00
|
|
|
}
|
|
|
|
}
|
2009-09-28 13:29:45 +00:00
|
|
|
} else {
|
|
|
|
GST_INFO_OBJECT (dec, "jpeg_read_raw_data() returned 0");
|
2005-08-12 19:33:31 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2009-10-12 23:41:57 +00:00
|
|
|
static GstFlowReturn
|
2012-05-03 07:32:50 +00:00
|
|
|
gst_jpeg_dec_decode_direct (GstJpegDec * dec, GstVideoFrame * frame)
|
2005-08-12 19:33:31 +00:00
|
|
|
{
|
2009-10-12 23:41:57 +00:00
|
|
|
guchar **line[3]; /* the jpeg line buffer */
|
|
|
|
guchar *y[4 * DCTSIZE] = { NULL, }; /* alloc enough for the lines */
|
|
|
|
guchar *u[4 * DCTSIZE] = { NULL, }; /* r_v will be <4 */
|
|
|
|
guchar *v[4 * DCTSIZE] = { NULL, };
|
2009-10-16 01:47:38 +00:00
|
|
|
gint i, j;
|
2009-10-12 23:41:57 +00:00
|
|
|
gint lines, v_samp[3];
|
2012-05-03 07:32:50 +00:00
|
|
|
guchar *base[3], *last[3];
|
|
|
|
gint stride[3];
|
|
|
|
guint height;
|
2005-08-12 19:33:31 +00:00
|
|
|
|
2006-06-09 17:12:52 +00:00
|
|
|
line[0] = y;
|
|
|
|
line[1] = u;
|
|
|
|
line[2] = v;
|
2005-08-12 19:33:31 +00:00
|
|
|
|
2009-10-15 18:49:55 +00:00
|
|
|
v_samp[0] = dec->cinfo.comp_info[0].v_samp_factor;
|
|
|
|
v_samp[1] = dec->cinfo.comp_info[1].v_samp_factor;
|
|
|
|
v_samp[2] = dec->cinfo.comp_info[2].v_samp_factor;
|
2009-10-12 23:41:57 +00:00
|
|
|
|
2009-10-16 01:47:38 +00:00
|
|
|
if (G_UNLIKELY (v_samp[0] > 2 || v_samp[1] > 2 || v_samp[2] > 2))
|
2009-10-12 23:41:57 +00:00
|
|
|
goto format_not_supported;
|
|
|
|
|
2012-05-03 07:32:50 +00:00
|
|
|
height = GST_VIDEO_FRAME_HEIGHT (frame);
|
|
|
|
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
|
|
base[i] = GST_VIDEO_FRAME_COMP_DATA (frame, i);
|
|
|
|
stride[i] = GST_VIDEO_FRAME_COMP_STRIDE (frame, i);
|
|
|
|
/* make sure we don't make jpeglib write beyond our buffer,
|
|
|
|
* which might happen if (height % (r_v*DCTSIZE)) != 0 */
|
|
|
|
last[i] = base[i] + (GST_VIDEO_FRAME_COMP_STRIDE (frame, i) *
|
|
|
|
(GST_VIDEO_FRAME_COMP_HEIGHT (frame, i) - 1));
|
|
|
|
}
|
|
|
|
|
2005-08-12 19:33:31 +00:00
|
|
|
/* let jpeglib decode directly into our final buffer */
|
|
|
|
GST_DEBUG_OBJECT (dec, "decoding directly into output buffer");
|
2009-10-12 23:41:57 +00:00
|
|
|
|
|
|
|
for (i = 0; i < height; i += v_samp[0] * DCTSIZE) {
|
2009-10-16 01:47:38 +00:00
|
|
|
for (j = 0; j < (v_samp[0] * DCTSIZE); ++j) {
|
|
|
|
/* Y */
|
2012-05-03 07:32:50 +00:00
|
|
|
line[0][j] = base[0] + (i + j) * stride[0];
|
2009-10-16 01:47:38 +00:00
|
|
|
if (G_UNLIKELY (line[0][j] > last[0]))
|
|
|
|
line[0][j] = last[0];
|
|
|
|
/* U */
|
|
|
|
if (v_samp[1] == v_samp[0]) {
|
2012-05-03 07:32:50 +00:00
|
|
|
line[1][j] = base[1] + ((i + j) / 2) * stride[1];
|
2009-10-16 01:47:38 +00:00
|
|
|
} else if (j < (v_samp[1] * DCTSIZE)) {
|
2012-05-03 07:32:50 +00:00
|
|
|
line[1][j] = base[1] + ((i / 2) + j) * stride[1];
|
2005-08-12 19:33:31 +00:00
|
|
|
}
|
2009-10-16 01:47:38 +00:00
|
|
|
if (G_UNLIKELY (line[1][j] > last[1]))
|
|
|
|
line[1][j] = last[1];
|
|
|
|
/* V */
|
|
|
|
if (v_samp[2] == v_samp[0]) {
|
2012-05-03 07:32:50 +00:00
|
|
|
line[2][j] = base[2] + ((i + j) / 2) * stride[2];
|
2009-10-16 01:47:38 +00:00
|
|
|
} else if (j < (v_samp[2] * DCTSIZE)) {
|
2012-05-03 07:32:50 +00:00
|
|
|
line[2][j] = base[2] + ((i / 2) + j) * stride[2];
|
2009-10-12 23:41:57 +00:00
|
|
|
}
|
2009-10-16 01:47:38 +00:00
|
|
|
if (G_UNLIKELY (line[2][j] > last[2]))
|
|
|
|
line[2][j] = last[2];
|
2009-10-12 23:41:57 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
lines = jpeg_read_raw_data (&dec->cinfo, line, v_samp[0] * DCTSIZE);
|
2009-09-28 13:29:45 +00:00
|
|
|
if (G_UNLIKELY (!lines)) {
|
|
|
|
GST_INFO_OBJECT (dec, "jpeg_read_raw_data() returned 0");
|
|
|
|
}
|
2005-08-12 19:33:31 +00:00
|
|
|
}
|
2009-10-12 23:41:57 +00:00
|
|
|
return GST_FLOW_OK;
|
|
|
|
|
|
|
|
format_not_supported:
|
|
|
|
{
|
2010-12-11 17:39:20 +00:00
|
|
|
gst_jpeg_dec_set_error (dec, GST_FUNCTION, __LINE__,
|
|
|
|
"Unsupported subsampling schema: v_samp factors: %u %u %u",
|
|
|
|
v_samp[0], v_samp[1], v_samp[2]);
|
2009-10-12 23:41:57 +00:00
|
|
|
return GST_FLOW_ERROR;
|
|
|
|
}
|
2005-08-12 19:33:31 +00:00
|
|
|
}
|
|
|
|
|
2009-04-01 20:15:02 +00:00
|
|
|
static void
|
2010-04-27 13:44:39 +00:00
|
|
|
gst_jpeg_dec_negotiate (GstJpegDec * dec, gint width, gint height, gint clrspc)
|
|
|
|
{
|
2012-04-06 10:13:24 +00:00
|
|
|
GstVideoCodecState *outstate;
|
|
|
|
GstVideoInfo *info;
|
2010-04-27 13:44:39 +00:00
|
|
|
GstVideoFormat format;
|
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
switch (clrspc) {
|
|
|
|
case JCS_RGB:
|
|
|
|
format = GST_VIDEO_FORMAT_RGB;
|
|
|
|
break;
|
|
|
|
case JCS_GRAYSCALE:
|
|
|
|
format = GST_VIDEO_FORMAT_GRAY8;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
format = GST_VIDEO_FORMAT_I420;
|
|
|
|
break;
|
|
|
|
}
|
2011-08-17 13:39:27 +00:00
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
/* Compare to currently configured output state */
|
|
|
|
outstate = gst_video_decoder_get_output_state (GST_VIDEO_DECODER (dec));
|
|
|
|
if (outstate) {
|
|
|
|
info = &outstate->info;
|
2010-04-27 13:44:39 +00:00
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
if (width == GST_VIDEO_INFO_WIDTH (info) &&
|
|
|
|
height == GST_VIDEO_INFO_HEIGHT (info) &&
|
|
|
|
format == GST_VIDEO_INFO_FORMAT (info)) {
|
|
|
|
gst_video_codec_state_unref (outstate);
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
gst_video_codec_state_unref (outstate);
|
2010-04-27 13:44:39 +00:00
|
|
|
}
|
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
outstate =
|
|
|
|
gst_video_decoder_set_output_state (GST_VIDEO_DECODER (dec), format,
|
|
|
|
width, height, dec->input_state);
|
|
|
|
|
|
|
|
gst_video_codec_state_unref (outstate);
|
2010-04-27 13:44:39 +00:00
|
|
|
|
|
|
|
GST_DEBUG_OBJECT (dec, "max_v_samp_factor=%d", dec->cinfo.max_v_samp_factor);
|
|
|
|
GST_DEBUG_OBJECT (dec, "max_h_samp_factor=%d", dec->cinfo.max_h_samp_factor);
|
|
|
|
}
|
|
|
|
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
static GstFlowReturn
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2012-04-06 10:13:24 +00:00
|
|
|
gst_jpeg_dec_handle_frame (GstVideoDecoder * bdec, GstVideoCodecFrame * frame)
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2001-12-23 15:24:07 +00:00
|
|
|
{
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2009-04-01 20:15:02 +00:00
|
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GstFlowReturn ret = GST_FLOW_OK;
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2012-04-06 10:13:24 +00:00
|
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GstJpegDec *dec = (GstJpegDec *) bdec;
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2012-05-03 07:32:50 +00:00
|
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GstVideoFrame vframe;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
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gint width, height;
|
2001-12-23 15:24:07 +00:00
|
|
|
gint r_h, r_v;
|
2009-09-28 13:29:45 +00:00
|
|
|
guint code, hdr_ok;
|
2012-05-03 07:32:50 +00:00
|
|
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gboolean need_unmap = TRUE;
|
|
|
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GstVideoCodecState *state = NULL;
|
2009-09-03 15:33:28 +00:00
|
|
|
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2012-04-06 10:13:24 +00:00
|
|
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#if 0
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2010-12-06 17:16:19 +00:00
|
|
|
again:
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
if (!gst_jpeg_dec_ensure_header (dec))
|
2005-10-28 13:24:40 +00:00
|
|
|
goto need_more_data;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
2005-08-09 14:16:33 +00:00
|
|
|
/* If we know that each input buffer contains data
|
|
|
|
* for a whole jpeg image (e.g. MJPEG streams), just
|
|
|
|
* do some sanity checking instead of parsing all of
|
|
|
|
* the jpeg data */
|
|
|
|
if (dec->packetized) {
|
2010-05-27 13:45:23 +00:00
|
|
|
img_len = gst_adapter_available (dec->adapter);
|
2005-08-09 14:16:33 +00:00
|
|
|
} else {
|
|
|
|
/* Parse jpeg image to handle jpeg input that
|
|
|
|
* is not aligned to buffer boundaries */
|
|
|
|
img_len = gst_jpeg_dec_parse_image_data (dec);
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
2010-12-06 17:16:19 +00:00
|
|
|
if (img_len == 0) {
|
2005-10-28 13:24:40 +00:00
|
|
|
goto need_more_data;
|
2010-12-06 17:16:19 +00:00
|
|
|
} else if (img_len < 0) {
|
|
|
|
gst_adapter_flush (dec->adapter, -img_len);
|
|
|
|
goto again;
|
|
|
|
}
|
2005-08-09 14:16:33 +00:00
|
|
|
}
|
2010-05-31 10:45:01 +00:00
|
|
|
#endif
|
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
dec->current_frame = frame;
|
2012-05-03 07:32:50 +00:00
|
|
|
gst_buffer_map (frame->input_buffer, &dec->current_frame_map, GST_MAP_READ);
|
2010-05-31 10:45:01 +00:00
|
|
|
gst_jpeg_dec_fill_input_buffer (&dec->cinfo);
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
|
|
|
if (setjmp (dec->jerr.setjmp_buffer)) {
|
2005-10-28 13:24:40 +00:00
|
|
|
code = dec->jerr.pub.msg_code;
|
2005-08-11 15:02:37 +00:00
|
|
|
|
|
|
|
if (code == JERR_INPUT_EOF) {
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
GST_DEBUG ("jpeg input EOF error, we probably need more data");
|
2005-10-28 13:24:40 +00:00
|
|
|
goto need_more_data;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
}
|
2005-10-28 13:24:40 +00:00
|
|
|
goto decode_error;
|
2001-12-23 15:24:07 +00:00
|
|
|
}
|
|
|
|
|
2006-06-09 17:12:52 +00:00
|
|
|
/* read header */
|
2009-09-28 13:29:45 +00:00
|
|
|
hdr_ok = jpeg_read_header (&dec->cinfo, TRUE);
|
|
|
|
if (G_UNLIKELY (hdr_ok != JPEG_HEADER_OK)) {
|
|
|
|
GST_WARNING_OBJECT (dec, "reading the header failed, %d", hdr_ok);
|
|
|
|
}
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
2011-07-04 12:30:09 +00:00
|
|
|
GST_LOG_OBJECT (dec, "num_components=%d", dec->cinfo.num_components);
|
|
|
|
GST_LOG_OBJECT (dec, "jpeg_color_space=%d", dec->cinfo.jpeg_color_space);
|
|
|
|
|
|
|
|
if (!dec->cinfo.num_components || !dec->cinfo.comp_info)
|
|
|
|
goto components_not_supported;
|
|
|
|
|
2009-10-15 18:49:55 +00:00
|
|
|
r_h = dec->cinfo.comp_info[0].h_samp_factor;
|
|
|
|
r_v = dec->cinfo.comp_info[0].v_samp_factor;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
2009-04-01 23:05:14 +00:00
|
|
|
GST_LOG_OBJECT (dec, "r_h = %d, r_v = %d", r_h, r_v);
|
2006-06-09 17:12:52 +00:00
|
|
|
|
2010-04-25 14:12:20 +00:00
|
|
|
if (dec->cinfo.num_components > 3)
|
|
|
|
goto components_not_supported;
|
|
|
|
|
2010-04-30 10:42:42 +00:00
|
|
|
/* verify color space expectation to avoid going *boom* or bogus output */
|
2010-04-27 13:44:39 +00:00
|
|
|
if (dec->cinfo.jpeg_color_space != JCS_YCbCr &&
|
|
|
|
dec->cinfo.jpeg_color_space != JCS_GRAYSCALE &&
|
|
|
|
dec->cinfo.jpeg_color_space != JCS_RGB)
|
2010-04-30 10:42:42 +00:00
|
|
|
goto unsupported_colorspace;
|
|
|
|
|
2009-09-28 13:29:45 +00:00
|
|
|
#ifndef GST_DISABLE_GST_DEBUG
|
2009-09-28 23:01:59 +00:00
|
|
|
{
|
|
|
|
gint i;
|
|
|
|
|
2009-10-15 18:49:55 +00:00
|
|
|
for (i = 0; i < dec->cinfo.num_components; ++i) {
|
|
|
|
GST_LOG_OBJECT (dec, "[%d] h_samp_factor=%d, v_samp_factor=%d, cid=%d",
|
|
|
|
i, dec->cinfo.comp_info[i].h_samp_factor,
|
|
|
|
dec->cinfo.comp_info[i].v_samp_factor,
|
|
|
|
dec->cinfo.comp_info[i].component_id);
|
2009-09-28 23:01:59 +00:00
|
|
|
}
|
2001-12-23 15:24:07 +00:00
|
|
|
}
|
2009-09-28 13:29:45 +00:00
|
|
|
#endif
|
2001-12-23 15:24:07 +00:00
|
|
|
|
2006-06-09 17:12:52 +00:00
|
|
|
/* prepare for raw output */
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
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dec->cinfo.do_fancy_upsampling = FALSE;
|
|
|
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dec->cinfo.do_block_smoothing = FALSE;
|
2010-04-27 13:44:39 +00:00
|
|
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dec->cinfo.out_color_space = dec->cinfo.jpeg_color_space;
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2006-06-09 17:12:52 +00:00
|
|
|
dec->cinfo.dct_method = dec->idct_method;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
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dec->cinfo.raw_data_out = TRUE;
|
2006-06-09 17:12:52 +00:00
|
|
|
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
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GST_LOG_OBJECT (dec, "starting decompress");
|
|
|
|
guarantee_huff_tables (&dec->cinfo);
|
2009-09-28 13:29:45 +00:00
|
|
|
if (!jpeg_start_decompress (&dec->cinfo)) {
|
|
|
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GST_WARNING_OBJECT (dec, "failed to start decompression cycle");
|
|
|
|
}
|
2006-06-09 17:12:52 +00:00
|
|
|
|
2010-04-27 13:44:39 +00:00
|
|
|
/* sanity checks to get safe and reasonable output */
|
|
|
|
switch (dec->cinfo.jpeg_color_space) {
|
|
|
|
case JCS_GRAYSCALE:
|
2010-05-18 17:46:54 +00:00
|
|
|
if (dec->cinfo.num_components != 1)
|
|
|
|
goto invalid_yuvrgbgrayscale;
|
2010-04-27 13:44:39 +00:00
|
|
|
break;
|
|
|
|
case JCS_RGB:
|
|
|
|
if (dec->cinfo.num_components != 3 || dec->cinfo.max_v_samp_factor > 1 ||
|
|
|
|
dec->cinfo.max_h_samp_factor > 1)
|
2010-05-18 17:46:54 +00:00
|
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|
goto invalid_yuvrgbgrayscale;
|
2010-04-27 13:44:39 +00:00
|
|
|
break;
|
|
|
|
case JCS_YCbCr:
|
|
|
|
if (dec->cinfo.num_components != 3 ||
|
|
|
|
r_v > 2 || r_v < dec->cinfo.comp_info[0].v_samp_factor ||
|
|
|
|
r_v < dec->cinfo.comp_info[1].v_samp_factor ||
|
|
|
|
r_h < dec->cinfo.comp_info[0].h_samp_factor ||
|
|
|
|
r_h < dec->cinfo.comp_info[1].h_samp_factor)
|
2010-05-18 17:46:54 +00:00
|
|
|
goto invalid_yuvrgbgrayscale;
|
2010-04-27 13:44:39 +00:00
|
|
|
break;
|
|
|
|
default:
|
|
|
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g_assert_not_reached ();
|
|
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break;
|
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|
|
}
|
2010-04-30 10:42:42 +00:00
|
|
|
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
width = dec->cinfo.output_width;
|
|
|
|
height = dec->cinfo.output_height;
|
|
|
|
|
2009-09-28 13:29:45 +00:00
|
|
|
if (G_UNLIKELY (width < MIN_WIDTH || width > MAX_WIDTH ||
|
|
|
|
height < MIN_HEIGHT || height > MAX_HEIGHT))
|
2005-10-28 13:24:40 +00:00
|
|
|
goto wrong_size;
|
|
|
|
|
2010-04-27 13:44:39 +00:00
|
|
|
gst_jpeg_dec_negotiate (dec, width, height, dec->cinfo.jpeg_color_space);
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
2012-05-03 07:32:50 +00:00
|
|
|
state = gst_video_decoder_get_output_state (bdec);
|
2012-04-06 10:13:24 +00:00
|
|
|
ret = gst_video_decoder_alloc_output_frame (bdec, frame);
|
2009-09-28 13:29:45 +00:00
|
|
|
if (G_UNLIKELY (ret != GST_FLOW_OK))
|
2005-10-28 13:24:40 +00:00
|
|
|
goto alloc_failed;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
2012-05-03 07:32:50 +00:00
|
|
|
if (!gst_video_frame_map (&vframe, &state->info, frame->output_buffer,
|
|
|
|
GST_MAP_READWRITE))
|
|
|
|
goto alloc_failed;
|
2006-06-09 17:12:52 +00:00
|
|
|
|
2011-08-17 13:39:27 +00:00
|
|
|
GST_LOG_OBJECT (dec, "width %d, height %d", width, height);
|
2006-06-09 17:12:52 +00:00
|
|
|
|
2010-04-27 13:44:39 +00:00
|
|
|
if (dec->cinfo.jpeg_color_space == JCS_RGB) {
|
2012-05-03 07:32:50 +00:00
|
|
|
gst_jpeg_dec_decode_rgb (dec, &vframe);
|
2010-05-18 17:46:54 +00:00
|
|
|
} else if (dec->cinfo.jpeg_color_space == JCS_GRAYSCALE) {
|
2012-05-03 07:32:50 +00:00
|
|
|
gst_jpeg_dec_decode_grayscale (dec, &vframe);
|
2005-08-12 19:33:31 +00:00
|
|
|
} else {
|
2010-04-27 13:44:39 +00:00
|
|
|
GST_LOG_OBJECT (dec, "decompressing (reqired scanline buffer height = %u)",
|
|
|
|
dec->cinfo.rec_outbuf_height);
|
|
|
|
|
|
|
|
/* For some widths jpeglib requires more horizontal padding than I420
|
|
|
|
* provides. In those cases we need to decode into separate buffers and then
|
|
|
|
* copy over the data into our final picture buffer, otherwise jpeglib might
|
|
|
|
* write over the end of a line into the beginning of the next line,
|
|
|
|
* resulting in blocky artifacts on the left side of the picture. */
|
|
|
|
if (G_UNLIKELY (width % (dec->cinfo.max_h_samp_factor * DCTSIZE) != 0
|
|
|
|
|| dec->cinfo.comp_info[0].h_samp_factor != 2
|
|
|
|
|| dec->cinfo.comp_info[1].h_samp_factor != 1
|
|
|
|
|| dec->cinfo.comp_info[2].h_samp_factor != 1)) {
|
|
|
|
GST_CAT_LOG_OBJECT (GST_CAT_PERFORMANCE, dec,
|
|
|
|
"indirect decoding using extra buffer copy");
|
2012-05-03 07:32:50 +00:00
|
|
|
gst_jpeg_dec_decode_indirect (dec, &vframe, r_v, r_h,
|
2010-04-27 13:44:39 +00:00
|
|
|
dec->cinfo.num_components);
|
|
|
|
} else {
|
2012-05-03 07:32:50 +00:00
|
|
|
ret = gst_jpeg_dec_decode_direct (dec, &vframe);
|
2012-04-06 10:13:24 +00:00
|
|
|
|
2010-04-27 13:44:39 +00:00
|
|
|
if (G_UNLIKELY (ret != GST_FLOW_OK))
|
|
|
|
goto decode_direct_failed;
|
|
|
|
}
|
2001-12-23 15:24:07 +00:00
|
|
|
}
|
|
|
|
|
2012-05-03 07:32:50 +00:00
|
|
|
gst_video_frame_unmap (&vframe);
|
|
|
|
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
GST_LOG_OBJECT (dec, "decompressing finished");
|
|
|
|
jpeg_finish_decompress (&dec->cinfo);
|
|
|
|
|
2010-12-11 17:39:20 +00:00
|
|
|
/* reset error count on successful decode */
|
|
|
|
dec->error_count = 0;
|
|
|
|
|
2012-05-03 07:32:50 +00:00
|
|
|
gst_buffer_unmap (frame->input_buffer, &dec->current_frame_map);
|
2012-04-06 10:13:24 +00:00
|
|
|
ret = gst_video_decoder_finish_frame (bdec, frame);
|
2012-05-03 07:32:50 +00:00
|
|
|
need_unmap = FALSE;
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
|
|
|
|
done:
|
2006-06-09 17:12:52 +00:00
|
|
|
|
|
|
|
exit:
|
|
|
|
|
2010-12-11 17:39:20 +00:00
|
|
|
if (G_UNLIKELY (ret == GST_FLOW_ERROR)) {
|
|
|
|
jpeg_abort_decompress (&dec->cinfo);
|
|
|
|
ret = gst_jpeg_dec_post_error_or_warning (dec);
|
|
|
|
}
|
|
|
|
|
2012-05-03 07:32:50 +00:00
|
|
|
if (need_unmap)
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|
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gst_buffer_unmap (frame->input_buffer, &dec->current_frame_map);
|
|
|
|
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if (state)
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|
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gst_video_codec_state_unref (state);
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|
|
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|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
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return ret;
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2005-10-28 13:24:40 +00:00
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/* special cases */
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need_more_data:
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{
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GST_LOG_OBJECT (dec, "we need more data");
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2006-06-09 17:12:52 +00:00
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ret = GST_FLOW_OK;
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goto exit;
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2005-10-28 13:24:40 +00:00
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}
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/* ERRORS */
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wrong_size:
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{
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2010-12-11 17:39:20 +00:00
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gst_jpeg_dec_set_error (dec, GST_FUNCTION, __LINE__,
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"Picture is too small or too big (%ux%u)", width, height);
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2005-10-28 13:24:40 +00:00
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ret = GST_FLOW_ERROR;
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goto done;
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|
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}
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decode_error:
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{
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2010-02-02 11:41:03 +00:00
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gchar err_msg[JMSG_LENGTH_MAX];
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dec->jerr.pub.format_message ((j_common_ptr) (&dec->cinfo), err_msg);
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2010-12-11 17:39:20 +00:00
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gst_jpeg_dec_set_error (dec, GST_FUNCTION, __LINE__,
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"Decode error #%u: %s", code, err_msg);
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2012-05-03 07:32:50 +00:00
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gst_buffer_unmap (frame->input_buffer, &dec->current_frame_map);
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2012-04-06 10:13:24 +00:00
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gst_video_decoder_drop_frame (bdec, frame);
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2012-05-03 07:32:50 +00:00
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need_unmap = FALSE;
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2012-04-06 10:13:24 +00:00
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2005-10-28 13:24:40 +00:00
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ret = GST_FLOW_ERROR;
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goto done;
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}
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2009-10-12 23:41:57 +00:00
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decode_direct_failed:
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{
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/* already posted an error message */
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jpeg_abort_decompress (&dec->cinfo);
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goto done;
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}
|
2005-10-28 13:24:40 +00:00
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alloc_failed:
|
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{
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const gchar *reason;
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reason = gst_flow_get_name (ret);
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GST_DEBUG_OBJECT (dec, "failed to alloc buffer, reason %s", reason);
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2006-06-18 14:00:19 +00:00
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/* Reset for next time */
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jpeg_abort_decompress (&dec->cinfo);
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2012-05-03 07:32:50 +00:00
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if (ret != GST_FLOW_EOS && ret != GST_FLOW_FLUSHING &&
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2010-09-10 08:43:24 +00:00
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ret != GST_FLOW_NOT_LINKED) {
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2010-12-11 17:39:20 +00:00
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gst_jpeg_dec_set_error (dec, GST_FUNCTION, __LINE__,
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"Buffer allocation failed, reason: %s", reason);
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2005-10-28 13:24:40 +00:00
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}
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2006-06-09 17:12:52 +00:00
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goto exit;
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2005-10-28 13:24:40 +00:00
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}
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2010-04-25 14:12:20 +00:00
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components_not_supported:
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{
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2010-12-11 17:39:20 +00:00
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gst_jpeg_dec_set_error (dec, GST_FUNCTION, __LINE__,
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2011-07-04 12:30:09 +00:00
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"number of components not supported: %d (max 3)",
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dec->cinfo.num_components);
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2010-04-25 14:12:20 +00:00
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ret = GST_FLOW_ERROR;
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goto done;
|
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}
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2010-04-30 10:42:42 +00:00
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unsupported_colorspace:
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{
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2010-12-11 17:39:20 +00:00
|
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gst_jpeg_dec_set_error (dec, GST_FUNCTION, __LINE__,
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"Picture has unknown or unsupported colourspace");
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2010-04-30 10:42:42 +00:00
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ret = GST_FLOW_ERROR;
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goto done;
|
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}
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2010-05-18 17:46:54 +00:00
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invalid_yuvrgbgrayscale:
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2010-04-30 10:42:42 +00:00
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{
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2010-12-11 17:39:20 +00:00
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gst_jpeg_dec_set_error (dec, GST_FUNCTION, __LINE__,
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"Picture is corrupt or unhandled YUV/RGB/grayscale layout");
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2010-04-30 10:42:42 +00:00
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ret = GST_FLOW_ERROR;
|
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goto done;
|
|
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}
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
}
|
|
|
|
|
2012-05-03 07:32:50 +00:00
|
|
|
static gboolean
|
|
|
|
gst_jpeg_dec_decide_allocation (GstVideoDecoder * bdec, GstQuery * query)
|
|
|
|
{
|
|
|
|
GstBufferPool *pool;
|
|
|
|
GstStructure *config;
|
|
|
|
|
|
|
|
if (!GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (bdec, query))
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
g_assert (gst_query_get_n_allocation_pools (query) > 0);
|
|
|
|
gst_query_parse_nth_allocation_pool (query, 0, &pool, NULL, NULL, NULL);
|
|
|
|
g_assert (pool != NULL);
|
|
|
|
|
|
|
|
config = gst_buffer_pool_get_config (pool);
|
|
|
|
if (gst_query_has_allocation_meta (query, GST_VIDEO_META_API_TYPE)) {
|
|
|
|
gst_buffer_pool_config_add_option (config,
|
|
|
|
GST_BUFFER_POOL_OPTION_VIDEO_META);
|
|
|
|
}
|
|
|
|
gst_buffer_pool_set_config (pool, config);
|
|
|
|
gst_object_unref (pool);
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2009-04-01 20:15:02 +00:00
|
|
|
static gboolean
|
2012-04-06 10:13:24 +00:00
|
|
|
gst_jpeg_dec_reset (GstVideoDecoder * bdec, gboolean hard)
|
2009-04-01 20:15:02 +00:00
|
|
|
{
|
2012-04-06 10:13:24 +00:00
|
|
|
GstJpegDec *dec = (GstJpegDec *) bdec;
|
2006-05-27 13:11:37 +00:00
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
jpeg_abort_decompress (&dec->cinfo);
|
|
|
|
dec->parse_offset = 0;
|
|
|
|
dec->parse_entropy_len = 0;
|
|
|
|
dec->parse_resync = FALSE;
|
2012-05-17 07:31:41 +00:00
|
|
|
dec->saw_header = FALSE;
|
2006-05-27 13:11:37 +00:00
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
return TRUE;
|
2011-11-15 15:31:45 +00:00
|
|
|
}
|
|
|
|
|
2006-06-09 17:12:52 +00:00
|
|
|
static void
|
|
|
|
gst_jpeg_dec_set_property (GObject * object, guint prop_id,
|
|
|
|
const GValue * value, GParamSpec * pspec)
|
|
|
|
{
|
|
|
|
GstJpegDec *dec;
|
|
|
|
|
|
|
|
dec = GST_JPEG_DEC (object);
|
|
|
|
|
|
|
|
switch (prop_id) {
|
|
|
|
case PROP_IDCT_METHOD:
|
|
|
|
dec->idct_method = g_value_get_enum (value);
|
|
|
|
break;
|
2010-12-11 17:39:20 +00:00
|
|
|
case PROP_MAX_ERRORS:
|
|
|
|
g_atomic_int_set (&dec->max_errors, g_value_get_int (value));
|
|
|
|
break;
|
2006-06-09 17:12:52 +00:00
|
|
|
|
|
|
|
default:
|
|
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
gst_jpeg_dec_get_property (GObject * object, guint prop_id, GValue * value,
|
|
|
|
GParamSpec * pspec)
|
|
|
|
{
|
|
|
|
GstJpegDec *dec;
|
|
|
|
|
|
|
|
dec = GST_JPEG_DEC (object);
|
|
|
|
|
|
|
|
switch (prop_id) {
|
|
|
|
case PROP_IDCT_METHOD:
|
|
|
|
g_value_set_enum (value, dec->idct_method);
|
|
|
|
break;
|
2010-12-11 17:39:20 +00:00
|
|
|
case PROP_MAX_ERRORS:
|
|
|
|
g_value_set_int (value, g_atomic_int_get (&dec->max_errors));
|
|
|
|
break;
|
2006-06-09 17:12:52 +00:00
|
|
|
|
|
|
|
default:
|
|
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
static gboolean
|
|
|
|
gst_jpeg_dec_start (GstVideoDecoder * bdec)
|
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does no longer need to be one single buffer.
Original commit message from CVS:
* configure.ac:
* ext/Makefile.am:
* ext/jpeg/Makefile.am:
* ext/jpeg/gstjpeg.c: (plugin_init):
* ext/jpeg/gstjpegdec.c: (gst_jpeg_dec_get_type),
(gst_jpeg_dec_finalize), (gst_jpeg_dec_base_init),
(gst_jpeg_dec_class_init), (gst_jpeg_dec_fill_input_buffer),
(gst_jpeg_dec_init_source), (gst_jpeg_dec_skip_input_data),
(gst_jpeg_dec_resync_to_restart), (gst_jpeg_dec_term_source),
(gst_jpeg_dec_my_output_message), (gst_jpeg_dec_my_emit_message),
(gst_jpeg_dec_my_error_exit), (gst_jpeg_dec_init),
(is_jpeg_start_marker), (is_jpeg_end_marker),
(gst_jpeg_dec_find_jpeg_header), (gst_jpeg_dec_ensure_header),
(gst_jpeg_dec_have_end_marker),
(gst_jpeg_dec_parse_tag_has_entropy_segment),
(gst_jpeg_dec_parse_image_data), (gst_jpeg_dec_chain),
(gst_jpeg_dec_change_state):
* ext/jpeg/gstjpegdec.h:
Port jpegdec to 0.9; handles 'progressive loading' now, ie. input does
no longer need to be one single buffer.
2005-08-08 12:13:08 +00:00
|
|
|
{
|
2012-04-06 10:13:24 +00:00
|
|
|
GstJpegDec *dec = (GstJpegDec *) bdec;
|
2005-08-11 15:02:37 +00:00
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
dec->error_count = 0;
|
|
|
|
dec->parse_entropy_len = 0;
|
|
|
|
dec->parse_resync = FALSE;
|
2005-08-11 15:02:37 +00:00
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
return TRUE;
|
|
|
|
}
|
2001-12-23 15:24:07 +00:00
|
|
|
|
2012-04-06 10:13:24 +00:00
|
|
|
static gboolean
|
|
|
|
gst_jpeg_dec_stop (GstVideoDecoder * bdec)
|
|
|
|
{
|
|
|
|
GstJpegDec *dec = (GstJpegDec *) bdec;
|
|
|
|
|
|
|
|
gst_jpeg_dec_free_buffers (dec);
|
|
|
|
|
|
|
|
return TRUE;
|
2001-12-23 15:24:07 +00:00
|
|
|
}
|