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Original commit message from CVS: Patch by: Mark Nauwelaerts <manauw at skynet dot be> * gst/avi/Makefile.am: * gst/avi/gstavi.c: (plugin_init): * gst/avi/gstavimux.c: (gst_avi_mux_get_type), (gst_avi_mux_base_init), (gst_avi_mux_finalize), (gst_avi_mux_class_init), (gst_avi_mux_init), (gst_avi_mux_vidsink_set_caps), (gst_avi_mux_audsink_set_caps), (gst_avi_mux_pad_link), (gst_avi_mux_pad_unlink), (gst_avi_mux_request_new_pad), (gst_avi_mux_release_pad), (gst_avi_mux_write_tag), (gst_avi_mux_riff_get_avi_header), (gst_avi_mux_riff_get_avix_header), (gst_avi_mux_riff_get_video_header), (gst_avi_mux_riff_get_audio_header), (gst_avi_mux_add_index), (gst_avi_mux_write_index), (gst_avi_mux_bigfile), (gst_avi_mux_start_file), (gst_avi_mux_stop_file), (gst_avi_mux_restart_file), (gst_avi_mux_handle_event), (gst_avi_mux_fill_queue), (gst_avi_mux_send_pad_data), (gst_avi_mux_strip_buffer), (gst_avi_mux_do_audio_buffer), (gst_avi_mux_do_video_buffer), (gst_avi_mux_do_one_buffer), (gst_avi_mux_loop), (gst_avi_mux_collect_pads), (gst_avi_mux_get_property), (gst_avi_mux_set_property), (gst_avi_mux_change_state): * gst/avi/gstavimux.h: Port AVI muxer to GStreamer-0.10 (#332031). * tests/check/Makefile.am: * tests/check/elements/avimux.c: * tests/check/elements/.cvsignore: Add unit test for AVI muxer.
1607 lines
50 KiB
C
1607 lines
50 KiB
C
/* AVI muxer plugin for GStreamer
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* Copyright (C) 2002 Ronald Bultje <rbultje@ronald.bitfreak.net>
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* (C) 2006 Mark Nauwelaerts <manauw@skynet.be>
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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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/* based on:
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* - the old avimuxer (by Wim Taymans)
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* - xawtv's aviwriter (by Gerd Knorr)
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* - mjpegtools' avilib (by Rainer Johanni)
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* - openDML large-AVI docs
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gst/gst-i18n-plugin.h"
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#include <stdlib.h>
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#include <string.h>
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#include <gst/video/video.h>
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#include "gstavimux.h"
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GST_DEBUG_CATEGORY_STATIC (avimux_debug);
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#define GST_CAT_DEFAULT avimux_debug
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enum
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{
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ARG_0,
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ARG_BIGFILE
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};
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#define DEFAULT_BIGFILE TRUE
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static const GstElementDetails gst_avi_mux_details =
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GST_ELEMENT_DETAILS ("Avi muxer",
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"Codec/Muxer",
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"Muxes audio and video into an avi stream",
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"Ronald Bultje <rbultje@ronald.bitfreak.net>");
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static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-msvideo")
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);
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static GstStaticPadTemplate video_sink_factory =
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GST_STATIC_PAD_TEMPLATE ("video_%d",
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GST_PAD_SINK,
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GST_PAD_REQUEST,
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GST_STATIC_CAPS ("video/x-raw-yuv, "
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"format = (fourcc) { YUY2, I420 }, "
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"width = (int) [ 16, 4096 ], "
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"height = (int) [ 16, 4096 ], "
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"framerate = (fraction) [ 0, MAX ]; "
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"image/jpeg, "
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"width = (int) [ 16, 4096 ], "
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"height = (int) [ 16, 4096 ], "
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"framerate = (fraction) [ 0, MAX ]; "
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"video/x-divx, "
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"width = (int) [ 16, 4096 ], "
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"height = (int) [ 16, 4096 ], "
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"framerate = (fraction) [ 0, MAX ], "
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"divxversion = (int) [ 3, 5 ]; "
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"video/x-xvid, "
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"width = (int) [ 16, 4096 ], "
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"height = (int) [ 16, 4096 ], "
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"framerate = (fraction) [ 0, MAX ]; "
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"video/x-3ivx, "
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"width = (int) [ 16, 4096 ], "
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"height = (int) [ 16, 4096 ], "
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"framerate = (fraction) [ 0, MAX ]; "
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"video/x-msmpeg, "
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"width = (int) [ 16, 4096 ], "
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"height = (int) [ 16, 4096 ], "
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"framerate = (fraction) [ 0, MAX ], "
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"msmpegversion = (int) [ 41, 43 ]; "
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"video/mpeg, "
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"width = (int) [ 16, 4096 ], "
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"height = (int) [ 16, 4096 ], "
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"framerate = (fraction) [ 0, MAX ], "
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"mpegversion = (int) 1, "
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"systemstream = (boolean) FALSE; "
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"video/x-h263, "
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"width = (int) [ 16, 4096 ], "
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"height = (int) [ 16, 4096 ], "
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"framerate = (fraction) [ 0, MAX ]; "
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"video/x-h264, "
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"width = (int) [ 16, 4096 ], "
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"height = (int) [ 16, 4096 ], "
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"framerate = (fraction) [ 0, MAX ]; "
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"video/x-dv, "
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"width = (int) 720, "
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"height = (int) { 576, 480 }, "
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"framerate = (fraction) [ 0, MAX ], "
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"systemstream = (boolean) FALSE; "
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"video/x-huffyuv, "
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"width = (int) [ 16, 4096 ], "
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"height = (int) [ 16, 4096 ], " "framerate = (fraction) [ 0, MAX ]")
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);
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static GstStaticPadTemplate audio_sink_factory =
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GST_STATIC_PAD_TEMPLATE ("audio_%d",
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GST_PAD_SINK,
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GST_PAD_REQUEST,
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GST_STATIC_CAPS ("audio/x-raw-int, "
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"endianness = (int) LITTLE_ENDIAN, "
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"signed = (boolean) { TRUE, FALSE }, "
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"width = (int) { 8, 16 }, "
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"depth = (int) { 8, 16 }, "
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"rate = (int) [ 1000, 96000 ], "
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"channels = (int) [ 1, 2 ]; "
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"audio/mpeg, "
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"mpegversion = (int) 1, "
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"layer = (int) [ 1, 3 ], "
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"rate = (int) [ 1000, 96000 ], "
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"channels = (int) [ 1, 2 ]; "
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"audio/x-vorbis, "
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"rate = (int) [ 1000, 96000 ], "
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"channels = (int) [ 1, 2 ]; "
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"audio/x-ac3, "
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"rate = (int) [ 1000, 96000 ], " "channels = (int) [ 1, 2 ]")
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);
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static void gst_avi_mux_base_init (gpointer g_class);
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static void gst_avi_mux_class_init (GstAviMuxClass * klass);
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static void gst_avi_mux_init (GstAviMux * avimux);
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static GstFlowReturn gst_avi_mux_collect_pads (GstCollectPads * pads,
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GstAviMux * avimux);
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static gboolean gst_avi_mux_handle_event (GstPad * pad, GstEvent * event);
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static GstPad *gst_avi_mux_request_new_pad (GstElement * element,
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GstPadTemplate * templ, const gchar * name);
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static void gst_avi_mux_release_pad (GstElement * element, GstPad * pad);
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static void gst_avi_mux_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec);
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static void gst_avi_mux_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec);
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static GstStateChangeReturn gst_avi_mux_change_state (GstElement * element,
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GstStateChange transition);
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static GstElementClass *parent_class = NULL;
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GType
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gst_avi_mux_get_type (void)
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{
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static GType avimux_type = 0;
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if (!avimux_type) {
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static const GTypeInfo avimux_info = {
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sizeof (GstAviMuxClass),
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gst_avi_mux_base_init,
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NULL,
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(GClassInitFunc) gst_avi_mux_class_init,
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NULL,
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NULL,
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sizeof (GstAviMux),
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0,
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(GInstanceInitFunc) gst_avi_mux_init,
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};
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static const GInterfaceInfo tag_setter_info = {
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NULL,
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NULL,
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NULL
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};
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avimux_type =
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g_type_register_static (GST_TYPE_ELEMENT, "GstAviMux", &avimux_info, 0);
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g_type_add_interface_static (avimux_type, GST_TYPE_TAG_SETTER,
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&tag_setter_info);
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}
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return avimux_type;
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}
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static void
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gst_avi_mux_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&src_factory));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&audio_sink_factory));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&video_sink_factory));
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gst_element_class_set_details (element_class, &gst_avi_mux_details);
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GST_DEBUG_CATEGORY_INIT (avimux_debug, "avimux", 0, "Muxer for AVI streams");
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}
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static void
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gst_avi_mux_finalize (GObject * object)
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{
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GstAviMux *mux = GST_AVI_MUX (object);
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g_free (mux->idx);
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mux->idx = NULL;
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gst_object_unref (mux->collect);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static void
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gst_avi_mux_class_init (GstAviMuxClass * klass)
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{
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GObjectClass *gobject_class;
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GstElementClass *gstelement_class;
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gobject_class = (GObjectClass *) klass;
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gstelement_class = (GstElementClass *) klass;
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parent_class = g_type_class_peek_parent (klass);
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gobject_class->get_property = gst_avi_mux_get_property;
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gobject_class->set_property = gst_avi_mux_set_property;
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gobject_class->finalize = gst_avi_mux_finalize;
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g_object_class_install_property (gobject_class, ARG_BIGFILE,
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g_param_spec_boolean ("bigfile", "Bigfile Support (>2GB)",
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"Support for openDML-2.0 (big) AVI files", DEFAULT_BIGFILE,
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G_PARAM_READWRITE));
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gstelement_class->request_new_pad =
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GST_DEBUG_FUNCPTR (gst_avi_mux_request_new_pad);
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gstelement_class->release_pad = GST_DEBUG_FUNCPTR (gst_avi_mux_release_pad);
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gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_avi_mux_change_state);
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}
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static void
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gst_avi_mux_init (GstAviMux * avimux)
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{
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avimux->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
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gst_pad_use_fixed_caps (avimux->srcpad);
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gst_element_add_pad (GST_ELEMENT (avimux), avimux->srcpad);
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avimux->audiocollectdata = NULL;
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avimux->audio_pad_connected = FALSE;
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avimux->videocollectdata = NULL;
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avimux->video_pad_connected = FALSE;
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avimux->num_frames = 0;
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/* audio/video/AVI header initialisation */
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memset (&(avimux->avi_hdr), 0, sizeof (gst_riff_avih));
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memset (&(avimux->vids_hdr), 0, sizeof (gst_riff_strh));
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memset (&(avimux->vids), 0, sizeof (gst_riff_strf_vids));
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memset (&(avimux->auds_hdr), 0, sizeof (gst_riff_strh));
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memset (&(avimux->auds), 0, sizeof (gst_riff_strf_auds));
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avimux->vids_hdr.type = GST_MAKE_FOURCC ('v', 'i', 'd', 's');
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avimux->vids_hdr.rate = 1;
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avimux->avi_hdr.max_bps = 10000000;
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avimux->auds_hdr.type = GST_MAKE_FOURCC ('a', 'u', 'd', 's');
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avimux->vids_hdr.quality = 0xFFFFFFFF;
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avimux->auds_hdr.quality = 0xFFFFFFFF;
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avimux->tags = NULL;
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avimux->tags_snap = NULL;
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avimux->idx = NULL;
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avimux->write_header = TRUE;
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avimux->enable_large_avi = DEFAULT_BIGFILE;
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avimux->collect = gst_collect_pads_new ();
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gst_collect_pads_set_function (avimux->collect,
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(GstCollectPadsFunction) (GST_DEBUG_FUNCPTR (gst_avi_mux_collect_pads)),
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avimux);
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}
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static gboolean
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gst_avi_mux_vidsink_set_caps (GstPad * pad, GstCaps * vscaps)
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{
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GstAviMux *avimux;
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GstStructure *structure;
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const gchar *mimetype;
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const GValue *fps;
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gint width, height;
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avimux = GST_AVI_MUX (gst_pad_get_parent (pad));
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GST_DEBUG_OBJECT (avimux, "%s:%s, caps=%" GST_PTR_FORMAT,
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GST_DEBUG_PAD_NAME (pad), vscaps);
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structure = gst_caps_get_structure (vscaps, 0);
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mimetype = gst_structure_get_name (structure);
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/* global */
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avimux->vids.size = sizeof (gst_riff_strf_vids);
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avimux->vids.planes = 1;
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if (!gst_structure_get_int (structure, "width", &width) ||
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!gst_structure_get_int (structure, "height", &height)) {
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goto refuse_caps;
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}
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avimux->vids.width = width;
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avimux->vids.height = height;
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fps = gst_structure_get_value (structure, "framerate");
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if (fps == NULL || !GST_VALUE_HOLDS_FRACTION (fps))
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goto refuse_caps;
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avimux->vids_hdr.rate = gst_value_get_fraction_numerator (fps);
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avimux->vids_hdr.scale = gst_value_get_fraction_denominator (fps);
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if (!strcmp (mimetype, "video/x-raw-yuv")) {
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guint32 format;
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gst_structure_get_fourcc (structure, "format", &format);
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avimux->vids.compression = format;
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switch (format) {
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case GST_MAKE_FOURCC ('Y', 'U', 'Y', '2'):
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avimux->vids.bit_cnt = 16;
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break;
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case GST_MAKE_FOURCC ('I', '4', '2', '0'):
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avimux->vids.bit_cnt = 12;
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break;
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}
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} else {
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avimux->vids.bit_cnt = 24;
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avimux->vids.compression = 0;
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/* find format */
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if (!strcmp (mimetype, "video/x-huffyuv")) {
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avimux->vids.compression = GST_MAKE_FOURCC ('H', 'F', 'Y', 'U');
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} else if (!strcmp (mimetype, "image/jpeg")) {
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avimux->vids.compression = GST_MAKE_FOURCC ('M', 'J', 'P', 'G');
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} else if (!strcmp (mimetype, "video/x-divx")) {
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gint divxversion;
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gst_structure_get_int (structure, "divxversion", &divxversion);
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switch (divxversion) {
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case 3:
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avimux->vids.compression = GST_MAKE_FOURCC ('D', 'I', 'V', '3');
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break;
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case 4:
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avimux->vids.compression = GST_MAKE_FOURCC ('D', 'I', 'V', 'X');
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break;
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case 5:
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avimux->vids.compression = GST_MAKE_FOURCC ('D', 'X', '5', '0');
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break;
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}
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} else if (!strcmp (mimetype, "video/x-xvid")) {
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avimux->vids.compression = GST_MAKE_FOURCC ('X', 'V', 'I', 'D');
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} else if (!strcmp (mimetype, "video/x-3ivx")) {
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avimux->vids.compression = GST_MAKE_FOURCC ('3', 'I', 'V', '2');
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} else if (gst_structure_has_name (structure, "video/x-msmpeg")) {
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gint msmpegversion;
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gst_structure_get_int (structure, "msmpegversion", &msmpegversion);
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switch (msmpegversion) {
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case 41:
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avimux->vids.compression = GST_MAKE_FOURCC ('M', 'P', 'G', '4');
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break;
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case 42:
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avimux->vids.compression = GST_MAKE_FOURCC ('M', 'P', '4', '2');
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break;
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case 43:
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avimux->vids.compression = GST_MAKE_FOURCC ('M', 'P', '4', '3');
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break;
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}
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} else if (!strcmp (mimetype, "video/x-dv")) {
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avimux->vids.compression = GST_MAKE_FOURCC ('D', 'V', 'S', 'D');
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} else if (!strcmp (mimetype, "video/x-h263")) {
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avimux->vids.compression = GST_MAKE_FOURCC ('H', '2', '6', '3');
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} else if (!strcmp (mimetype, "video/mpeg")) {
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avimux->vids.compression = GST_MAKE_FOURCC ('M', 'P', 'E', 'G');
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}
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if (!avimux->vids.compression)
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goto refuse_caps;
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}
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avimux->vids_hdr.fcc_handler = avimux->vids.compression;
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avimux->vids.image_size = avimux->vids.height * avimux->vids.width;
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avimux->avi_hdr.width = avimux->vids.width;
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avimux->avi_hdr.height = avimux->vids.height;
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avimux->avi_hdr.us_frame = avimux->vids_hdr.scale;
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gst_object_unref (avimux);
|
|
return TRUE;
|
|
|
|
refuse_caps:
|
|
{
|
|
GST_WARNING_OBJECT (avimux, "refused caps %" GST_PTR_FORMAT, vscaps);
|
|
gst_object_unref (avimux);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_avi_mux_audsink_set_caps (GstPad * pad, GstCaps * vscaps)
|
|
{
|
|
GstAviMux *avimux;
|
|
GstStructure *structure;
|
|
const gchar *mimetype;
|
|
gint channels, rate;
|
|
|
|
avimux = GST_AVI_MUX (GST_PAD_PARENT (pad));
|
|
|
|
GST_DEBUG_OBJECT (avimux, "%s:%s, caps=%" GST_PTR_FORMAT,
|
|
GST_DEBUG_PAD_NAME (pad), vscaps);
|
|
|
|
structure = gst_caps_get_structure (vscaps, 0);
|
|
mimetype = gst_structure_get_name (structure);
|
|
|
|
/* we want these for all */
|
|
if (!gst_structure_get_int (structure, "channels", &channels) ||
|
|
!gst_structure_get_int (structure, "rate", &rate)) {
|
|
goto refuse_caps;
|
|
}
|
|
|
|
avimux->auds.channels = channels;
|
|
avimux->auds.rate = rate;
|
|
|
|
if (!strcmp (mimetype, "audio/x-raw-int")) {
|
|
gint width, depth;
|
|
|
|
avimux->auds.format = GST_RIFF_WAVE_FORMAT_PCM;
|
|
|
|
if (!gst_structure_get_int (structure, "width", &width) ||
|
|
(width != 8 && !gst_structure_get_int (structure, "depth", &depth))) {
|
|
goto refuse_caps;
|
|
}
|
|
|
|
avimux->auds.blockalign = width;
|
|
avimux->auds.size = (width == 8) ? 8 : depth;
|
|
|
|
/* set some more info straight */
|
|
avimux->auds.blockalign /= 8;
|
|
avimux->auds.blockalign *= avimux->auds.channels;
|
|
avimux->auds.av_bps = avimux->auds.blockalign * avimux->auds.rate;
|
|
} else if (!strcmp (mimetype, "audio/mpeg") ||
|
|
!strcmp (mimetype, "audio/x-vorbis") ||
|
|
!strcmp (mimetype, "audio/x-ac3")) {
|
|
avimux->auds.format = 0;
|
|
|
|
if (!strcmp (mimetype, "audio/mpeg")) {
|
|
gint layer = 3;
|
|
|
|
gst_structure_get_int (structure, "layer", &layer);
|
|
switch (layer) {
|
|
case 3:
|
|
avimux->auds.format = GST_RIFF_WAVE_FORMAT_MPEGL3;
|
|
break;
|
|
case 1:
|
|
case 2:
|
|
avimux->auds.format = GST_RIFF_WAVE_FORMAT_MPEGL12;
|
|
break;
|
|
}
|
|
} else if (!strcmp (mimetype, "audio/x-vorbis")) {
|
|
avimux->auds.format = GST_RIFF_WAVE_FORMAT_VORBIS3;
|
|
} else if (!strcmp (mimetype, "audio/x-ac3")) {
|
|
avimux->auds.format = GST_RIFF_WAVE_FORMAT_A52;
|
|
}
|
|
|
|
avimux->auds.blockalign = 1;
|
|
avimux->auds.av_bps = 0;
|
|
avimux->auds.size = 16;
|
|
|
|
if (!avimux->auds.format)
|
|
goto refuse_caps;
|
|
}
|
|
|
|
avimux->auds_hdr.rate = avimux->auds.blockalign * avimux->auds.rate;
|
|
avimux->auds_hdr.samplesize = avimux->auds.blockalign;
|
|
avimux->auds_hdr.scale = 1;
|
|
return TRUE;
|
|
|
|
|
|
refuse_caps:
|
|
{
|
|
GST_WARNING_OBJECT (avimux, "refused caps %" GST_PTR_FORMAT, vscaps);
|
|
gst_object_unref (avimux);
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_avi_mux_pad_link (GstPad * pad, GstPad * peer, gpointer data)
|
|
{
|
|
GstAviMux *avimux = GST_AVI_MUX (data);
|
|
|
|
if (avimux->audiocollectdata && pad == avimux->audiocollectdata->pad) {
|
|
avimux->audio_pad_connected = TRUE;
|
|
} else if (avimux->videocollectdata && pad == avimux->videocollectdata->pad) {
|
|
avimux->video_pad_connected = TRUE;
|
|
} else {
|
|
g_assert_not_reached ();
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (avimux, "pad '%s' connected", GST_PAD_NAME (pad));
|
|
}
|
|
|
|
static void
|
|
gst_avi_mux_pad_unlink (GstPad * pad, GstPad * peer, gpointer data)
|
|
{
|
|
GstAviMux *avimux = GST_AVI_MUX (data);
|
|
|
|
if (avimux->audiocollectdata && pad == avimux->audiocollectdata->pad) {
|
|
avimux->audio_pad_connected = FALSE;
|
|
avimux->audiocollectdata = NULL;
|
|
} else if (avimux->videocollectdata && pad == avimux->videocollectdata->pad) {
|
|
avimux->video_pad_connected = FALSE;
|
|
avimux->videocollectdata = NULL;
|
|
} else {
|
|
g_assert_not_reached ();
|
|
}
|
|
|
|
gst_collect_pads_remove_pad (avimux->collect, pad);
|
|
|
|
GST_DEBUG_OBJECT (avimux, "pad '%s' unlinked and removed from collect",
|
|
GST_PAD_NAME (pad));
|
|
}
|
|
|
|
/* TODO GstCollectPads will block if it has to manage a non-linked pad;
|
|
* best to upgrade it so it helps all muxers using it */
|
|
static GstPad *
|
|
gst_avi_mux_request_new_pad (GstElement * element,
|
|
GstPadTemplate * templ, const gchar * req_name)
|
|
{
|
|
GstAviMux *avimux;
|
|
GstPad *newpad;
|
|
GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
|
|
|
|
g_return_val_if_fail (templ != NULL, NULL);
|
|
|
|
if (templ->direction != GST_PAD_SINK) {
|
|
g_warning ("avimux: request pad that is not a SINK pad\n");
|
|
return NULL;
|
|
}
|
|
|
|
g_return_val_if_fail (GST_IS_AVI_MUX (element), NULL);
|
|
|
|
avimux = GST_AVI_MUX (element);
|
|
|
|
if (templ == gst_element_class_get_pad_template (klass, "audio_%d")) {
|
|
if (avimux->audiocollectdata)
|
|
return NULL;
|
|
newpad = gst_pad_new_from_template (templ, "audio_00");
|
|
gst_pad_set_setcaps_function (newpad,
|
|
GST_DEBUG_FUNCPTR (gst_avi_mux_audsink_set_caps));
|
|
avimux->audiocollectdata = gst_collect_pads_add_pad (avimux->collect,
|
|
newpad, sizeof (GstCollectData));
|
|
} else if (templ == gst_element_class_get_pad_template (klass, "video_%d")) {
|
|
if (avimux->videocollectdata)
|
|
return NULL;
|
|
newpad = gst_pad_new_from_template (templ, "video_00");
|
|
gst_pad_set_setcaps_function (newpad,
|
|
GST_DEBUG_FUNCPTR (gst_avi_mux_vidsink_set_caps));
|
|
avimux->videocollectdata = gst_collect_pads_add_pad (avimux->collect,
|
|
newpad, sizeof (GstCollectData));
|
|
} else {
|
|
g_warning ("avimux: this is not our template!\n");
|
|
return NULL;
|
|
}
|
|
|
|
/* FIXME: hacked way to override/extend the event function of
|
|
* GstCollectPads; because it sets its own event function giving the
|
|
* element no access to events */
|
|
avimux->collect_event = (GstPadEventFunction) GST_PAD_EVENTFUNC (newpad);
|
|
gst_pad_set_event_function (newpad,
|
|
GST_DEBUG_FUNCPTR (gst_avi_mux_handle_event));
|
|
|
|
g_signal_connect (newpad, "linked",
|
|
G_CALLBACK (gst_avi_mux_pad_link), avimux);
|
|
g_signal_connect (newpad, "unlinked",
|
|
G_CALLBACK (gst_avi_mux_pad_unlink), avimux);
|
|
|
|
gst_element_add_pad (element, newpad);
|
|
|
|
return newpad;
|
|
}
|
|
|
|
static void
|
|
gst_avi_mux_release_pad (GstElement * element, GstPad * pad)
|
|
{
|
|
GstAviMux *avimux = GST_AVI_MUX (element);
|
|
|
|
if (avimux->videocollectdata && pad == avimux->videocollectdata->pad) {
|
|
avimux->videocollectdata = NULL;
|
|
} else if (avimux->audiocollectdata && pad == avimux->audiocollectdata->pad) {
|
|
avimux->audiocollectdata = NULL;
|
|
} else {
|
|
g_warning ("Unknown pad %s", GST_PAD_NAME (pad));
|
|
return;
|
|
}
|
|
|
|
GST_DEBUG_OBJECT (avimux, "removed pad '%s'", GST_PAD_NAME (pad));
|
|
gst_collect_pads_remove_pad (avimux->collect, pad);
|
|
gst_element_remove_pad (element, pad);
|
|
}
|
|
|
|
/* maybe some of these functions should be moved to riff.h? */
|
|
|
|
/* DISCLAIMER: this function is ugly. So be it (i.e. it makes the rest easier) */
|
|
/* so is this struct */
|
|
|
|
typedef struct _GstMarkedBuffer
|
|
{
|
|
guint *highmark;
|
|
GstBuffer *buffer;
|
|
} GstMarkedBuffer;
|
|
|
|
static void
|
|
gst_avi_mux_write_tag (const GstTagList * list, const gchar * tag,
|
|
gpointer data)
|
|
{
|
|
const struct
|
|
{
|
|
guint32 fcc;
|
|
gchar *tag;
|
|
} rifftags[] = {
|
|
{
|
|
GST_RIFF_INFO_ICMT, GST_TAG_COMMENT}, {
|
|
GST_RIFF_INFO_INAM, GST_TAG_TITLE}, {
|
|
GST_RIFF_INFO_ISFT, GST_TAG_ENCODER}, {
|
|
GST_RIFF_INFO_IGNR, GST_TAG_GENRE}, {
|
|
GST_RIFF_INFO_ICOP, GST_TAG_COPYRIGHT}, {
|
|
GST_RIFF_INFO_IART, GST_TAG_ARTIST}, {
|
|
GST_RIFF_INFO_IARL, GST_TAG_LOCATION}, {
|
|
0, NULL}
|
|
};
|
|
gint n, len, plen;
|
|
GstBuffer *buf = ((GstMarkedBuffer *) data)->buffer;
|
|
guint *highmark = ((GstMarkedBuffer *) data)->highmark;
|
|
guint8 *buffdata = GST_BUFFER_DATA (buf) + *highmark;
|
|
gchar *str;
|
|
|
|
for (n = 0; rifftags[n].fcc != 0; n++) {
|
|
if (!strcmp (rifftags[n].tag, tag) &&
|
|
gst_tag_list_get_string (list, tag, &str)) {
|
|
len = strlen (str);
|
|
plen = len + 1;
|
|
if (plen & 1)
|
|
plen++;
|
|
if (GST_BUFFER_SIZE (buf) >= *highmark + 8 + plen) {
|
|
GST_WRITE_UINT32_LE (buffdata, rifftags[n].fcc);
|
|
GST_WRITE_UINT32_LE (buffdata + 4, len + 1);
|
|
memcpy (buffdata + 8, str, len);
|
|
buffdata[8 + len] = 0;
|
|
*highmark += 8 + plen;
|
|
GST_DEBUG ("writing tag in buffer %p, highmark at %d", buf, *highmark);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static GstBuffer *
|
|
gst_avi_mux_riff_get_avi_header (GstAviMux * avimux)
|
|
{
|
|
GstTagList *tags;
|
|
const GstTagList *iface_tags;
|
|
GstBuffer *buffer;
|
|
guint8 *buffdata;
|
|
guint size = 0;
|
|
guint highmark = 0;
|
|
|
|
/* first, let's see what actually needs to be in the buffer */
|
|
size += 32 + sizeof (gst_riff_avih); /* avi header */
|
|
if (avimux->video_pad_connected) { /* we have video */
|
|
size += 28 + sizeof (gst_riff_strh) + sizeof (gst_riff_strf_vids); /* vid hdr */
|
|
size += 24; /* odml header */
|
|
}
|
|
if (avimux->audio_pad_connected) { /* we have audio */
|
|
size += 28 + sizeof (gst_riff_strh) + sizeof (gst_riff_strf_auds); /* aud hdr */
|
|
}
|
|
/* this is the "riff size" */
|
|
avimux->header_size = size;
|
|
size += 12; /* avi data header */
|
|
|
|
GST_DEBUG ("creating avi header, header_size %u, data_size %u, idx_size %u",
|
|
avimux->header_size, avimux->data_size, avimux->idx_size);
|
|
|
|
/* tags */
|
|
iface_tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (avimux));
|
|
if ((iface_tags || avimux->tags) && !avimux->tags_snap) {
|
|
if (iface_tags && avimux->tags) {
|
|
tags = gst_tag_list_merge (iface_tags, avimux->tags,
|
|
GST_TAG_MERGE_APPEND);
|
|
} else if (iface_tags) {
|
|
tags = gst_tag_list_copy (iface_tags);
|
|
} else {
|
|
tags = gst_tag_list_copy (avimux->tags);
|
|
}
|
|
} else {
|
|
tags = avimux->tags_snap;
|
|
}
|
|
avimux->tags_snap = tags;
|
|
if (avimux->tags_snap)
|
|
size += 1024;
|
|
|
|
/* allocate the buffer */
|
|
buffer = gst_buffer_new_and_alloc (size);
|
|
buffdata = GST_BUFFER_DATA (buffer);
|
|
highmark = 0;
|
|
GST_DEBUG ("creating buffer %p, size %d, highmark at 0",
|
|
buffer, GST_BUFFER_SIZE (buffer));
|
|
|
|
/* avi header metadata */
|
|
memcpy (buffdata + 0, "RIFF", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 4,
|
|
avimux->header_size + avimux->idx_size + avimux->data_size +
|
|
avimux->tag_size);
|
|
memcpy (buffdata + 8, "AVI ", 4);
|
|
memcpy (buffdata + 12, "LIST", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 16, avimux->header_size - 4 * 5);
|
|
memcpy (buffdata + 20, "hdrl", 4);
|
|
memcpy (buffdata + 24, "avih", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 28, sizeof (gst_riff_avih));
|
|
buffdata += 32;
|
|
highmark += 32;
|
|
|
|
/* the AVI header itself */
|
|
GST_WRITE_UINT32_LE (buffdata + 0, avimux->avi_hdr.us_frame);
|
|
GST_WRITE_UINT32_LE (buffdata + 4, avimux->avi_hdr.max_bps);
|
|
GST_WRITE_UINT32_LE (buffdata + 8, avimux->avi_hdr.pad_gran);
|
|
GST_WRITE_UINT32_LE (buffdata + 12, avimux->avi_hdr.flags);
|
|
GST_WRITE_UINT32_LE (buffdata + 16, avimux->avi_hdr.tot_frames);
|
|
GST_WRITE_UINT32_LE (buffdata + 20, avimux->avi_hdr.init_frames);
|
|
GST_WRITE_UINT32_LE (buffdata + 24, avimux->avi_hdr.streams);
|
|
GST_WRITE_UINT32_LE (buffdata + 28, avimux->avi_hdr.bufsize);
|
|
GST_WRITE_UINT32_LE (buffdata + 32, avimux->avi_hdr.width);
|
|
GST_WRITE_UINT32_LE (buffdata + 36, avimux->avi_hdr.height);
|
|
GST_WRITE_UINT32_LE (buffdata + 40, avimux->avi_hdr.scale);
|
|
GST_WRITE_UINT32_LE (buffdata + 44, avimux->avi_hdr.rate);
|
|
GST_WRITE_UINT32_LE (buffdata + 48, avimux->avi_hdr.start);
|
|
GST_WRITE_UINT32_LE (buffdata + 52, avimux->avi_hdr.length);
|
|
buffdata += 56;
|
|
highmark += 56;
|
|
|
|
if (avimux->video_pad_connected) {
|
|
/* video header metadata */
|
|
memcpy (buffdata + 0, "LIST", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 4,
|
|
sizeof (gst_riff_strh) + sizeof (gst_riff_strf_vids) + 4 * 5);
|
|
memcpy (buffdata + 8, "strl", 4);
|
|
/* generic header */
|
|
memcpy (buffdata + 12, "strh", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 16, sizeof (gst_riff_strh));
|
|
/* the actual header */
|
|
GST_WRITE_UINT32_LE (buffdata + 20, avimux->vids_hdr.type);
|
|
GST_WRITE_UINT32_LE (buffdata + 24, avimux->vids_hdr.fcc_handler);
|
|
GST_WRITE_UINT32_LE (buffdata + 28, avimux->vids_hdr.flags);
|
|
GST_WRITE_UINT32_LE (buffdata + 32, avimux->vids_hdr.priority);
|
|
GST_WRITE_UINT32_LE (buffdata + 36, avimux->vids_hdr.init_frames);
|
|
GST_WRITE_UINT32_LE (buffdata + 40, avimux->vids_hdr.scale);
|
|
GST_WRITE_UINT32_LE (buffdata + 44, avimux->vids_hdr.rate);
|
|
GST_WRITE_UINT32_LE (buffdata + 48, avimux->vids_hdr.start);
|
|
GST_WRITE_UINT32_LE (buffdata + 52, avimux->vids_hdr.length);
|
|
GST_WRITE_UINT32_LE (buffdata + 56, avimux->vids_hdr.bufsize);
|
|
GST_WRITE_UINT32_LE (buffdata + 60, avimux->vids_hdr.quality);
|
|
GST_WRITE_UINT32_LE (buffdata + 64, avimux->vids_hdr.samplesize);
|
|
/* the video header */
|
|
memcpy (buffdata + 68, "strf", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 72, sizeof (gst_riff_strf_vids));
|
|
/* the actual header */
|
|
GST_WRITE_UINT32_LE (buffdata + 76, avimux->vids.size);
|
|
GST_WRITE_UINT32_LE (buffdata + 80, avimux->vids.width);
|
|
GST_WRITE_UINT32_LE (buffdata + 84, avimux->vids.height);
|
|
GST_WRITE_UINT16_LE (buffdata + 88, avimux->vids.planes);
|
|
GST_WRITE_UINT16_LE (buffdata + 90, avimux->vids.bit_cnt);
|
|
GST_WRITE_UINT32_LE (buffdata + 92, avimux->vids.compression);
|
|
GST_WRITE_UINT32_LE (buffdata + 96, avimux->vids.image_size);
|
|
GST_WRITE_UINT32_LE (buffdata + 100, avimux->vids.xpels_meter);
|
|
GST_WRITE_UINT32_LE (buffdata + 104, avimux->vids.ypels_meter);
|
|
GST_WRITE_UINT32_LE (buffdata + 108, avimux->vids.num_colors);
|
|
GST_WRITE_UINT32_LE (buffdata + 112, avimux->vids.imp_colors);
|
|
buffdata += 116;
|
|
highmark += 116;
|
|
}
|
|
|
|
if (avimux->audio_pad_connected) {
|
|
/* audio header */
|
|
memcpy (buffdata + 0, "LIST", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 4,
|
|
sizeof (gst_riff_strh) + sizeof (gst_riff_strf_auds) + 4 * 5);
|
|
memcpy (buffdata + 8, "strl", 4);
|
|
/* generic header */
|
|
memcpy (buffdata + 12, "strh", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 16, sizeof (gst_riff_strh));
|
|
/* the actual header */
|
|
GST_WRITE_UINT32_LE (buffdata + 20, avimux->auds_hdr.type);
|
|
GST_WRITE_UINT32_LE (buffdata + 24, avimux->auds_hdr.fcc_handler);
|
|
GST_WRITE_UINT32_LE (buffdata + 28, avimux->auds_hdr.flags);
|
|
GST_WRITE_UINT32_LE (buffdata + 32, avimux->auds_hdr.priority);
|
|
GST_WRITE_UINT32_LE (buffdata + 36, avimux->auds_hdr.init_frames);
|
|
GST_WRITE_UINT32_LE (buffdata + 40, avimux->auds_hdr.scale);
|
|
GST_WRITE_UINT32_LE (buffdata + 44, avimux->auds_hdr.rate);
|
|
GST_WRITE_UINT32_LE (buffdata + 48, avimux->auds_hdr.start);
|
|
GST_WRITE_UINT32_LE (buffdata + 52, avimux->auds_hdr.length);
|
|
GST_WRITE_UINT32_LE (buffdata + 56, avimux->auds_hdr.bufsize);
|
|
GST_WRITE_UINT32_LE (buffdata + 60, avimux->auds_hdr.quality);
|
|
GST_WRITE_UINT32_LE (buffdata + 64, avimux->auds_hdr.samplesize);
|
|
/* the audio header */
|
|
memcpy (buffdata + 68, "strf", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 72, sizeof (gst_riff_strf_auds));
|
|
/* the actual header */
|
|
GST_WRITE_UINT16_LE (buffdata + 76, avimux->auds.format);
|
|
GST_WRITE_UINT16_LE (buffdata + 78, avimux->auds.channels);
|
|
GST_WRITE_UINT32_LE (buffdata + 80, avimux->auds.rate);
|
|
GST_WRITE_UINT32_LE (buffdata + 84, avimux->auds.av_bps);
|
|
GST_WRITE_UINT16_LE (buffdata + 88, avimux->auds.blockalign);
|
|
GST_WRITE_UINT16_LE (buffdata + 90, avimux->auds.size);
|
|
buffdata += 92;
|
|
highmark += 92;
|
|
}
|
|
|
|
if (avimux->video_pad_connected) {
|
|
/* odml header */
|
|
memcpy (buffdata + 0, "LIST", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 4, sizeof (guint32) + 4 * 3);
|
|
memcpy (buffdata + 8, "odml", 4);
|
|
memcpy (buffdata + 12, "dmlh", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 16, sizeof (guint32));
|
|
GST_WRITE_UINT32_LE (buffdata + 20, avimux->total_frames);
|
|
buffdata += 24;
|
|
highmark += 24;
|
|
}
|
|
|
|
/* tags */
|
|
if (tags) {
|
|
guint8 *ptr;
|
|
guint startsize;
|
|
GstMarkedBuffer data = { &highmark, buffer };
|
|
|
|
memcpy (buffdata + 0, "LIST", 4);
|
|
ptr = buffdata + 4; /* fill in later */
|
|
startsize = highmark + 4;
|
|
memcpy (buffdata + 8, "INFO", 4);
|
|
buffdata += 12;
|
|
highmark += 12;
|
|
|
|
/* 12 bytes is needed for data header */
|
|
GST_BUFFER_SIZE (buffer) -= 12;
|
|
gst_tag_list_foreach (tags, gst_avi_mux_write_tag, &data);
|
|
/* do not free tags here, as it refers to the tag snapshot */
|
|
GST_BUFFER_SIZE (buffer) += 12;
|
|
buffdata = GST_BUFFER_DATA (buffer) + highmark;
|
|
|
|
/* update list size */
|
|
GST_WRITE_UINT32_LE (ptr, highmark - startsize - 4);
|
|
avimux->tag_size = highmark - startsize + 4;
|
|
}
|
|
|
|
/* avi data header */
|
|
memcpy (buffdata + 0, "LIST", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 4, avimux->data_size);
|
|
memcpy (buffdata + 8, "movi", 4);
|
|
buffdata += 12;
|
|
highmark += 12;
|
|
|
|
{ /* only the part that is filled in actually makes up the header
|
|
* unref the parent as we only need this part from now on */
|
|
GstBuffer *subbuffer = gst_buffer_create_sub (buffer, 0, highmark);
|
|
|
|
gst_buffer_unref (buffer);
|
|
return subbuffer;
|
|
}
|
|
}
|
|
|
|
static GstBuffer *
|
|
gst_avi_mux_riff_get_avix_header (guint32 datax_size)
|
|
{
|
|
GstBuffer *buffer;
|
|
guint8 *buffdata;
|
|
|
|
buffer = gst_buffer_new_and_alloc (24);
|
|
buffdata = GST_BUFFER_DATA (buffer);
|
|
|
|
memcpy (buffdata + 0, "LIST", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 4, datax_size + 4 * 4);
|
|
memcpy (buffdata + 8, "AVIX", 4);
|
|
memcpy (buffdata + 12, "LIST", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 16, datax_size);
|
|
memcpy (buffdata + 20, "movi", 4);
|
|
|
|
return buffer;
|
|
}
|
|
|
|
static GstBuffer *
|
|
gst_avi_mux_riff_get_video_header (guint32 video_frame_size)
|
|
{
|
|
GstBuffer *buffer;
|
|
guint8 *buffdata;
|
|
|
|
buffer = gst_buffer_new_and_alloc (8);
|
|
buffdata = GST_BUFFER_DATA (buffer);
|
|
memcpy (buffdata + 0, "00db", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 4, video_frame_size);
|
|
|
|
return buffer;
|
|
}
|
|
|
|
static GstBuffer *
|
|
gst_avi_mux_riff_get_audio_header (guint32 audio_sample_size)
|
|
{
|
|
GstBuffer *buffer;
|
|
guint8 *buffdata;
|
|
|
|
buffer = gst_buffer_new_and_alloc (8);
|
|
buffdata = GST_BUFFER_DATA (buffer);
|
|
memcpy (buffdata + 0, "01wb", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 4, audio_sample_size);
|
|
|
|
return buffer;
|
|
}
|
|
|
|
/* some other usable functions (thankyou xawtv ;-) ) */
|
|
|
|
static void
|
|
gst_avi_mux_add_index (GstAviMux * avimux, guchar * code, guint32 flags,
|
|
guint32 size)
|
|
{
|
|
if (avimux->idx_index == avimux->idx_count) {
|
|
avimux->idx_count += 256;
|
|
avimux->idx =
|
|
g_realloc (avimux->idx,
|
|
avimux->idx_count * sizeof (gst_riff_index_entry));
|
|
}
|
|
memcpy (&(avimux->idx[avimux->idx_index].id), code, 4);
|
|
avimux->idx[avimux->idx_index].flags = GUINT32_FROM_LE (flags);
|
|
avimux->idx[avimux->idx_index].offset = GUINT32_FROM_LE (avimux->idx_offset);
|
|
avimux->idx[avimux->idx_index].size = GUINT32_FROM_LE (size);
|
|
avimux->idx_index++;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_avi_mux_write_index (GstAviMux * avimux)
|
|
{
|
|
GstFlowReturn res;
|
|
GstBuffer *buffer;
|
|
guint8 *buffdata;
|
|
|
|
buffer = gst_buffer_new_and_alloc (8);
|
|
buffdata = GST_BUFFER_DATA (buffer);
|
|
memcpy (buffdata + 0, "idx1", 4);
|
|
GST_WRITE_UINT32_LE (buffdata + 4,
|
|
avimux->idx_index * sizeof (gst_riff_index_entry));
|
|
|
|
gst_buffer_set_caps (buffer, GST_PAD_CAPS (avimux->srcpad));
|
|
res = gst_pad_push (avimux->srcpad, buffer);
|
|
if (res != GST_FLOW_OK)
|
|
return res;
|
|
|
|
buffer = gst_buffer_new ();
|
|
GST_BUFFER_SIZE (buffer) = avimux->idx_index * sizeof (gst_riff_index_entry);
|
|
GST_BUFFER_DATA (buffer) = (guint8 *) avimux->idx;
|
|
GST_BUFFER_MALLOCDATA (buffer) = GST_BUFFER_DATA (buffer);
|
|
avimux->idx = NULL; /* will be free()'ed by gst_buffer_unref() */
|
|
avimux->total_data += GST_BUFFER_SIZE (buffer) + 8;
|
|
|
|
gst_buffer_set_caps (buffer, GST_PAD_CAPS (avimux->srcpad));
|
|
res = gst_pad_push (avimux->srcpad, buffer);
|
|
if (res != GST_FLOW_OK)
|
|
return res;
|
|
|
|
avimux->idx_size += avimux->idx_index * sizeof (gst_riff_index_entry) + 8;
|
|
|
|
/* update header */
|
|
avimux->avi_hdr.flags |= GST_RIFF_AVIH_HASINDEX;
|
|
return GST_FLOW_OK;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_avi_mux_bigfile (GstAviMux * avimux, gboolean last)
|
|
{
|
|
GstFlowReturn res = GST_FLOW_OK;
|
|
GstBuffer *header;
|
|
GstEvent *event;
|
|
|
|
if (avimux->is_bigfile) {
|
|
/* search back */
|
|
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES,
|
|
avimux->avix_start, GST_CLOCK_TIME_NONE, avimux->avix_start);
|
|
/* if the event succeeds */
|
|
gst_pad_push_event (avimux->srcpad, event);
|
|
|
|
/* rewrite AVIX header */
|
|
header = gst_avi_mux_riff_get_avix_header (avimux->datax_size);
|
|
gst_buffer_set_caps (header, GST_PAD_CAPS (avimux->srcpad));
|
|
if ((res = gst_pad_push (avimux->srcpad, header)) != GST_FLOW_OK)
|
|
return res;
|
|
|
|
/* go back to current location */
|
|
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES,
|
|
avimux->total_data, GST_CLOCK_TIME_NONE, avimux->total_data);
|
|
gst_pad_push_event (avimux->srcpad, event);
|
|
}
|
|
avimux->avix_start = avimux->total_data;
|
|
|
|
if (last)
|
|
return res;
|
|
|
|
avimux->is_bigfile = TRUE;
|
|
avimux->numx_frames = 0;
|
|
avimux->datax_size = 0;
|
|
|
|
header = gst_avi_mux_riff_get_avix_header (0);
|
|
avimux->total_data += GST_BUFFER_SIZE (header);
|
|
gst_buffer_set_caps (header, GST_PAD_CAPS (avimux->srcpad));
|
|
return gst_pad_push (avimux->srcpad, header);
|
|
}
|
|
|
|
/* enough header blabla now, let's go on to actually writing the headers */
|
|
|
|
static GstFlowReturn
|
|
gst_avi_mux_start_file (GstAviMux * avimux)
|
|
{
|
|
GstFlowReturn res;
|
|
GstBuffer *header;
|
|
|
|
avimux->total_data = 0;
|
|
avimux->total_frames = 0;
|
|
avimux->data_size = 4; /* ? */
|
|
avimux->datax_size = 0;
|
|
avimux->num_frames = 0;
|
|
avimux->numx_frames = 0;
|
|
avimux->audio_size = 0;
|
|
avimux->audio_time = 0;
|
|
avimux->avix_start = 0;
|
|
|
|
avimux->idx_index = 0;
|
|
avimux->idx_offset = 0; /* see 10 lines below */
|
|
avimux->idx_size = 0;
|
|
avimux->idx_count = 0;
|
|
avimux->idx = NULL;
|
|
|
|
avimux->tag_size = 0;
|
|
|
|
/* header */
|
|
avimux->avi_hdr.streams =
|
|
(avimux->video_pad_connected ? 1 : 0) +
|
|
(avimux->audio_pad_connected ? 1 : 0);
|
|
avimux->is_bigfile = FALSE;
|
|
|
|
header = gst_avi_mux_riff_get_avi_header (avimux);
|
|
avimux->total_data += GST_BUFFER_SIZE (header);
|
|
|
|
gst_buffer_set_caps (header, GST_PAD_CAPS (avimux->srcpad));
|
|
res = gst_pad_push (avimux->srcpad, header);
|
|
|
|
avimux->idx_offset = avimux->total_data;
|
|
|
|
avimux->write_header = FALSE;
|
|
avimux->restart = FALSE;
|
|
|
|
return res;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_avi_mux_stop_file (GstAviMux * avimux)
|
|
{
|
|
GstFlowReturn res = GST_FLOW_OK;
|
|
GstEvent *event;
|
|
GstBuffer *header;
|
|
|
|
/* if bigfile, rewrite header, else write indexes */
|
|
/* don't bail out at once if error, still try to re-write header */
|
|
if (avimux->video_pad_connected) {
|
|
if (avimux->is_bigfile) {
|
|
res = gst_avi_mux_bigfile (avimux, TRUE);
|
|
avimux->idx_size = 0;
|
|
} else {
|
|
res = gst_avi_mux_write_index (avimux);
|
|
}
|
|
}
|
|
|
|
/* set rate and everything having to do with that */
|
|
avimux->avi_hdr.max_bps = 0;
|
|
if (avimux->audio_pad_connected) {
|
|
/* calculate bps if needed */
|
|
if (!avimux->auds.av_bps) {
|
|
if (avimux->audio_time) {
|
|
avimux->auds.av_bps =
|
|
(GST_SECOND * avimux->audio_size) / avimux->audio_time;
|
|
} else {
|
|
GST_ELEMENT_WARNING (avimux, STREAM, MUX,
|
|
(_("No or invalid input audio, AVI stream will be corrupt.")),
|
|
(NULL));
|
|
avimux->auds.av_bps = 0;
|
|
}
|
|
avimux->auds_hdr.rate = avimux->auds.av_bps * avimux->auds_hdr.scale;
|
|
}
|
|
avimux->avi_hdr.max_bps += avimux->auds.av_bps;
|
|
}
|
|
if (avimux->video_pad_connected) {
|
|
avimux->avi_hdr.max_bps += ((avimux->vids.bit_cnt + 7) / 8) *
|
|
(1000000. / avimux->avi_hdr.us_frame) * avimux->vids.image_size;
|
|
}
|
|
|
|
/* statistics/total_frames/... */
|
|
avimux->avi_hdr.tot_frames = avimux->num_frames;
|
|
if (avimux->video_pad_connected) {
|
|
avimux->vids_hdr.length = avimux->num_frames;
|
|
}
|
|
if (avimux->audio_pad_connected) {
|
|
avimux->auds_hdr.length =
|
|
(avimux->audio_time * avimux->auds_hdr.rate) / GST_SECOND;
|
|
}
|
|
|
|
/* seek and rewrite the header */
|
|
header = gst_avi_mux_riff_get_avi_header (avimux);
|
|
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES,
|
|
0, GST_CLOCK_TIME_NONE, 0);
|
|
gst_pad_push_event (avimux->srcpad, event);
|
|
|
|
gst_buffer_set_caps (header, GST_PAD_CAPS (avimux->srcpad));
|
|
/* the first error survives */
|
|
if (res == GST_FLOW_OK)
|
|
res = gst_pad_push (avimux->srcpad, header);
|
|
else
|
|
gst_pad_push (avimux->srcpad, header);
|
|
|
|
event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES,
|
|
avimux->total_data, GST_CLOCK_TIME_NONE, avimux->total_data);
|
|
gst_pad_push_event (avimux->srcpad, event);
|
|
|
|
avimux->write_header = TRUE;
|
|
|
|
return res;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_avi_mux_restart_file (GstAviMux * avimux)
|
|
{
|
|
GstFlowReturn res;
|
|
|
|
if ((res = gst_avi_mux_stop_file (avimux)) != GST_FLOW_OK)
|
|
return res;
|
|
|
|
gst_pad_push_event (avimux->srcpad, gst_event_new_eos ());
|
|
|
|
return gst_avi_mux_start_file (avimux);
|
|
}
|
|
|
|
/* handle events (search) */
|
|
static gboolean
|
|
gst_avi_mux_handle_event (GstPad * pad, GstEvent * event)
|
|
{
|
|
GstAviMux *avimux;
|
|
GstTagList *list;
|
|
gboolean ret;
|
|
|
|
avimux = GST_AVI_MUX (gst_pad_get_parent (pad));
|
|
|
|
switch (GST_EVENT_TYPE (event)) {
|
|
#if 0
|
|
case GST_EVENT_EOS:
|
|
/* is this allright? */
|
|
if (pad == avimux->videosinkpad) {
|
|
avimux->video_pad_eos = TRUE;
|
|
} else if (pad == avimux->audiosinkpad) {
|
|
avimux->audio_pad_eos = TRUE;
|
|
} else {
|
|
g_warning ("Unknown pad for EOS!");
|
|
}
|
|
break;
|
|
#endif
|
|
case GST_EVENT_TAG:
|
|
gst_event_parse_tag (event, &list);
|
|
if (avimux->tags) {
|
|
gst_tag_list_insert (avimux->tags, list, GST_TAG_MERGE_PREPEND);
|
|
} else {
|
|
avimux->tags = gst_tag_list_copy (list);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
|
|
/* now GstCollectPads can take care of the rest, e.g. EOS */
|
|
ret = avimux->collect_event (pad, event);
|
|
|
|
gst_object_unref (avimux);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
#if 0
|
|
/* fill the internal queue for each available pad */
|
|
static void
|
|
gst_avi_mux_fill_queue (GstAviMux * avimux)
|
|
{
|
|
GstBuffer *buffer;
|
|
|
|
while (!avimux->audio_buffer_queue &&
|
|
avimux->audiosinkpad &&
|
|
avimux->audio_pad_connected &&
|
|
GST_PAD_IS_USABLE (avimux->audiosinkpad) && !avimux->audio_pad_eos) {
|
|
buffer = GST_BUFFER (gst_pad_pull (avimux->audiosinkpad));
|
|
if (GST_IS_EVENT (buffer)) {
|
|
gst_avi_mux_handle_event (avimux->audiosinkpad, GST_EVENT (buffer));
|
|
} else {
|
|
avimux->audio_buffer_queue = buffer;
|
|
break;
|
|
}
|
|
}
|
|
|
|
while (!avimux->video_buffer_queue &&
|
|
avimux->videosinkpad &&
|
|
avimux->video_pad_connected &&
|
|
GST_PAD_IS_USABLE (avimux->videosinkpad) && !avimux->video_pad_eos) {
|
|
buffer = GST_BUFFER (gst_pad_pull (avimux->videosinkpad));
|
|
if (GST_IS_EVENT (buffer)) {
|
|
gst_avi_mux_handle_event (avimux->videosinkpad, GST_EVENT (buffer));
|
|
} else {
|
|
avimux->video_buffer_queue = buffer;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* send extra 'padding' data */
|
|
static GstFlowReturn
|
|
gst_avi_mux_send_pad_data (GstAviMux * avimux, gulong num_bytes)
|
|
{
|
|
GstBuffer *buffer;
|
|
|
|
buffer = gst_buffer_new_and_alloc (num_bytes);
|
|
memset (GST_BUFFER_DATA (buffer), 0, num_bytes);
|
|
gst_buffer_set_caps (buffer, GST_PAD_CAPS (avimux->srcpad));
|
|
return gst_pad_push (avimux->srcpad, buffer);
|
|
}
|
|
|
|
/* strip buffer of time/caps meaning, is now only raw data;
|
|
* bit of a work-around for the following ...*/
|
|
/* TODO on basesink:
|
|
* - perhaps use a default format like basesrc (to be chosen by derived element)
|
|
* and only act on segment, etc that are of such type
|
|
* - in any case, basesink could be more careful in deciding when
|
|
* to drop buffers, currently it decides on GST_FORMAT_TIME base
|
|
* even when its clip_segment is GST_FORMAT_BYTE based,
|
|
* and gst_segment_clip feels this reason enough to drop it
|
|
* (reasonable doubt is not enough to let pass :-) )
|
|
*/
|
|
static GstBuffer *
|
|
gst_avi_mux_strip_buffer (GstAviMux * avimux, GstBuffer * buffer)
|
|
{
|
|
buffer = gst_buffer_make_metadata_writable (buffer);
|
|
GST_BUFFER_TIMESTAMP (buffer) = GST_CLOCK_TIME_NONE;
|
|
gst_buffer_set_caps (buffer, GST_PAD_CAPS (avimux->srcpad));
|
|
return buffer;
|
|
}
|
|
|
|
/* do audio buffer */
|
|
static GstFlowReturn
|
|
gst_avi_mux_do_audio_buffer (GstAviMux * avimux)
|
|
{
|
|
GstFlowReturn res;
|
|
GstBuffer *data, *header;
|
|
gulong total_size, pad_bytes = 0;
|
|
|
|
data = gst_collect_pads_pop (avimux->collect, avimux->audiocollectdata);
|
|
data = gst_avi_mux_strip_buffer (avimux, data);
|
|
|
|
/* write a audio header + index entry */
|
|
if (GST_BUFFER_SIZE (data) & 1) {
|
|
pad_bytes = 2 - (GST_BUFFER_SIZE (data) & 1);
|
|
}
|
|
header = gst_avi_mux_riff_get_audio_header (GST_BUFFER_SIZE (data));
|
|
total_size = GST_BUFFER_SIZE (header) + GST_BUFFER_SIZE (data) + pad_bytes;
|
|
|
|
if (avimux->is_bigfile) {
|
|
avimux->datax_size += total_size;
|
|
} else {
|
|
avimux->data_size += total_size;
|
|
avimux->audio_size += GST_BUFFER_SIZE (data);
|
|
avimux->audio_time += GST_BUFFER_DURATION (data);
|
|
gst_avi_mux_add_index (avimux, (guchar *) "01wb", 0x0,
|
|
GST_BUFFER_SIZE (data));
|
|
}
|
|
|
|
gst_buffer_set_caps (header, GST_PAD_CAPS (avimux->srcpad));
|
|
if ((res = gst_pad_push (avimux->srcpad, header)) != GST_FLOW_OK)
|
|
return res;
|
|
if ((res = gst_pad_push (avimux->srcpad, data)) != GST_FLOW_OK)
|
|
return res;
|
|
|
|
if (pad_bytes) {
|
|
if ((res = gst_avi_mux_send_pad_data (avimux, pad_bytes)) != GST_FLOW_OK)
|
|
return res;
|
|
}
|
|
|
|
/* if any push above fails, we're in trouble with file consistency anyway */
|
|
avimux->total_data += total_size;
|
|
avimux->idx_offset += total_size;
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
/* do video buffer */
|
|
static GstFlowReturn
|
|
gst_avi_mux_do_video_buffer (GstAviMux * avimux)
|
|
{
|
|
GstFlowReturn res;
|
|
GstBuffer *data, *header;
|
|
gulong total_size, pad_bytes = 0;
|
|
|
|
data = gst_collect_pads_pop (avimux->collect, avimux->videocollectdata);
|
|
data = gst_avi_mux_strip_buffer (avimux, data);
|
|
|
|
if (avimux->restart) {
|
|
if ((res = gst_avi_mux_restart_file (avimux)) != GST_FLOW_OK)
|
|
return res;
|
|
}
|
|
|
|
/* write a video header + index entry */
|
|
if ((avimux->is_bigfile ? avimux->datax_size : avimux->data_size) +
|
|
GST_BUFFER_SIZE (data) > 1024 * 1024 * 2000) {
|
|
if (avimux->enable_large_avi) {
|
|
if ((res = gst_avi_mux_bigfile (avimux, FALSE)) != GST_FLOW_OK)
|
|
return res;
|
|
} else {
|
|
if ((res = gst_avi_mux_restart_file (avimux)) != GST_FLOW_OK)
|
|
return res;
|
|
}
|
|
}
|
|
|
|
if (GST_BUFFER_SIZE (data) & 1) {
|
|
pad_bytes = 2 - (GST_BUFFER_SIZE (data) & 1);
|
|
}
|
|
header = gst_avi_mux_riff_get_video_header (GST_BUFFER_SIZE (data));
|
|
total_size = GST_BUFFER_SIZE (header) + GST_BUFFER_SIZE (data) + pad_bytes;
|
|
avimux->total_frames++;
|
|
|
|
if (avimux->is_bigfile) {
|
|
avimux->datax_size += total_size;
|
|
avimux->numx_frames++;
|
|
} else {
|
|
guint flags = 0x2;
|
|
|
|
if (!GST_BUFFER_FLAG_IS_SET (data, GST_BUFFER_FLAG_DELTA_UNIT))
|
|
flags |= 0x10;
|
|
avimux->data_size += total_size;
|
|
avimux->num_frames++;
|
|
gst_avi_mux_add_index (avimux, (guchar *) "00db", flags,
|
|
GST_BUFFER_SIZE (data));
|
|
}
|
|
|
|
gst_buffer_set_caps (header, GST_PAD_CAPS (avimux->srcpad));
|
|
if ((res = gst_pad_push (avimux->srcpad, header)) != GST_FLOW_OK)
|
|
return res;
|
|
if ((res = gst_pad_push (avimux->srcpad, data)) != GST_FLOW_OK)
|
|
return res;
|
|
|
|
if (pad_bytes) {
|
|
if ((res = gst_avi_mux_send_pad_data (avimux, pad_bytes)) != GST_FLOW_OK)
|
|
return res;
|
|
}
|
|
|
|
/* if any push above fails, we're in trouble with file consistency anyway */
|
|
avimux->total_data += total_size;
|
|
avimux->idx_offset += total_size;
|
|
|
|
return res;
|
|
}
|
|
|
|
|
|
#if 0
|
|
/* take the oldest buffer in our internal queue and push-it */
|
|
static gboolean
|
|
gst_avi_mux_do_one_buffer (GstAviMux * avimux)
|
|
{
|
|
if (avimux->video_buffer_queue && avimux->audio_buffer_queue) {
|
|
if (GST_BUFFER_TIMESTAMP (avimux->video_buffer_queue) <=
|
|
GST_BUFFER_TIMESTAMP (avimux->audio_buffer_queue))
|
|
gst_avi_mux_do_video_buffer (avimux);
|
|
else
|
|
gst_avi_mux_do_audio_buffer (avimux);
|
|
} else if (avimux->video_buffer_queue || avimux->audio_buffer_queue) {
|
|
if (avimux->video_buffer_queue)
|
|
gst_avi_mux_do_video_buffer (avimux);
|
|
else
|
|
gst_avi_mux_do_audio_buffer (avimux);
|
|
} else {
|
|
/* simply finish off the file and send EOS */
|
|
gst_avi_mux_stop_file (avimux);
|
|
gst_pad_push (avimux->srcpad, GST_DATA (gst_event_new (GST_EVENT_EOS)));
|
|
gst_element_set_eos (GST_ELEMENT (avimux));
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static void
|
|
gst_avi_mux_loop (GstElement * element)
|
|
{
|
|
GstAviMux *avimux;
|
|
|
|
avimux = GST_AVI_MUX (element);
|
|
|
|
/* first fill queue (some elements only set caps when
|
|
* flowing data), then write header */
|
|
gst_avi_mux_fill_queue (avimux);
|
|
|
|
if (avimux->write_header)
|
|
gst_avi_mux_start_file (avimux);
|
|
|
|
gst_avi_mux_do_one_buffer (avimux);
|
|
}
|
|
#endif
|
|
|
|
/* pick the oldest buffer from the pads and push it */
|
|
static GstFlowReturn
|
|
gst_avi_mux_do_one_buffer (GstAviMux * avimux)
|
|
{
|
|
GstBuffer *video_buf = NULL;
|
|
GstBuffer *audio_buf = NULL;
|
|
GstFlowReturn res = GST_FLOW_OK;
|
|
GstClockTime video_time = GST_CLOCK_TIME_NONE;
|
|
GstClockTime audio_time = GST_CLOCK_TIME_NONE;
|
|
|
|
if (avimux->videocollectdata && avimux->video_pad_connected) {
|
|
video_buf =
|
|
gst_collect_pads_peek (avimux->collect, avimux->videocollectdata);
|
|
}
|
|
|
|
if (avimux->audiocollectdata && avimux->audio_pad_connected) {
|
|
audio_buf =
|
|
gst_collect_pads_peek (avimux->collect, avimux->audiocollectdata);
|
|
}
|
|
|
|
/* segment info is used to translate the incoming timestamps
|
|
* to outgoing muxed (running) timeline */
|
|
if (video_buf) {
|
|
video_time =
|
|
gst_segment_to_running_time (&avimux->videocollectdata->segment,
|
|
GST_FORMAT_TIME, GST_BUFFER_TIMESTAMP (video_buf));
|
|
GST_DEBUG ("peeked video buffer %p (time %" GST_TIME_FORMAT ")"
|
|
", running %" GST_TIME_FORMAT, video_buf,
|
|
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (video_buf)),
|
|
GST_TIME_ARGS (video_time));
|
|
}
|
|
if (audio_buf) {
|
|
audio_time =
|
|
gst_segment_to_running_time (&avimux->audiocollectdata->segment,
|
|
GST_FORMAT_TIME, GST_BUFFER_TIMESTAMP (audio_buf));
|
|
GST_DEBUG ("peeked audio buffer %p (time %" GST_TIME_FORMAT ")"
|
|
", running %" GST_TIME_FORMAT, audio_buf,
|
|
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (audio_buf)),
|
|
GST_TIME_ARGS (audio_time));
|
|
|
|
}
|
|
|
|
/* now use re-calculated time to choose */
|
|
if (video_buf && audio_buf) {
|
|
/* either video and audio can be translated, or translate neither */
|
|
if (!GST_CLOCK_TIME_IS_VALID (video_time)
|
|
|| !GST_CLOCK_TIME_IS_VALID (audio_time)) {
|
|
video_time = GST_BUFFER_TIMESTAMP (video_buf);
|
|
audio_time = GST_BUFFER_TIMESTAMP (audio_buf);
|
|
}
|
|
if (video_time <= audio_time)
|
|
res = gst_avi_mux_do_video_buffer (avimux);
|
|
else
|
|
res = gst_avi_mux_do_audio_buffer (avimux);
|
|
} else if (video_buf) {
|
|
res = gst_avi_mux_do_video_buffer (avimux);
|
|
} else if (audio_buf) {
|
|
res = gst_avi_mux_do_audio_buffer (avimux);
|
|
} else {
|
|
/* simply finish off the file and send EOS */
|
|
gst_avi_mux_stop_file (avimux);
|
|
gst_pad_push_event (avimux->srcpad, gst_event_new_eos ());
|
|
return GST_FLOW_UNEXPECTED;
|
|
}
|
|
|
|
/* unref the peek obtained above */
|
|
if (video_buf)
|
|
gst_buffer_unref (video_buf);
|
|
if (audio_buf)
|
|
gst_buffer_unref (audio_buf);
|
|
|
|
return res;
|
|
}
|
|
|
|
static GstFlowReturn
|
|
gst_avi_mux_collect_pads (GstCollectPads * pads, GstAviMux * avimux)
|
|
{
|
|
GstFlowReturn res;
|
|
|
|
if (G_UNLIKELY (avimux->write_header)) {
|
|
if ((res = gst_avi_mux_start_file (avimux)) != GST_FLOW_OK)
|
|
return res;
|
|
}
|
|
|
|
return gst_avi_mux_do_one_buffer (avimux);
|
|
}
|
|
|
|
|
|
static void
|
|
gst_avi_mux_get_property (GObject * object,
|
|
guint prop_id, GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstAviMux *avimux;
|
|
|
|
avimux = GST_AVI_MUX (object);
|
|
|
|
switch (prop_id) {
|
|
case ARG_BIGFILE:
|
|
g_value_set_boolean (value, avimux->enable_large_avi);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_avi_mux_set_property (GObject * object,
|
|
guint prop_id, const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstAviMux *avimux;
|
|
|
|
avimux = GST_AVI_MUX (object);
|
|
|
|
switch (prop_id) {
|
|
case ARG_BIGFILE:
|
|
avimux->enable_large_avi = g_value_get_boolean (value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static GstStateChangeReturn
|
|
gst_avi_mux_change_state (GstElement * element, GstStateChange transition)
|
|
{
|
|
GstAviMux *avimux;
|
|
|
|
avimux = GST_AVI_MUX (element);
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_READY_TO_PAUSED:
|
|
gst_collect_pads_start (avimux->collect);
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
|
|
/* avimux->video_pad_eos = FALSE; */
|
|
/* avimux->audio_pad_eos = FALSE; */
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
gst_collect_pads_stop (avimux->collect);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (GST_ELEMENT_CLASS (parent_class)->change_state) {
|
|
GstStateChangeReturn ret;
|
|
|
|
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
|
|
if (ret != GST_STATE_CHANGE_SUCCESS)
|
|
return ret;
|
|
}
|
|
|
|
switch (transition) {
|
|
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
|
|
break;
|
|
case GST_STATE_CHANGE_PAUSED_TO_READY:
|
|
if (avimux->tags) {
|
|
gst_tag_list_free (avimux->tags);
|
|
avimux->tags = NULL;
|
|
}
|
|
if (avimux->tags_snap) {
|
|
gst_tag_list_free (avimux->tags_snap);
|
|
avimux->tags_snap = NULL;
|
|
}
|
|
break;
|
|
case GST_STATE_CHANGE_READY_TO_NULL:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return GST_STATE_CHANGE_SUCCESS;
|
|
}
|