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d555f34562
The new rawaudioparse and rawvideoparse elements are based on GstBaseParse and completely replace audioparse and videoparse https://bugzilla.gnome.org/show_bug.cgi?id=767011
124 lines
3.7 KiB
C
124 lines
3.7 KiB
C
/* GStreamer
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* Copyright (C) 2016 Carlos Rafael Giani <dv@pseudoterminal.org>
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*
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* gstunalignedvideoparse.c:
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include "gstunalignedvideoparse.h"
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#include "unalignedvideo.h"
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GST_DEBUG_CATEGORY (unaligned_video_parse_debug);
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#define GST_CAT_DEFAULT unaligned_video_parse_debug
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struct _GstUnalignedVideoParse
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{
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GstBin parent;
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GstElement *inner_parser;
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};
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struct _GstUnalignedVideoParseClass
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{
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GstBinClass parent_class;
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};
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static GstStaticPadTemplate static_sink_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 (GST_UNALIGNED_RAW_VIDEO_CAPS)
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);
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static GstStaticPadTemplate static_src_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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GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL))
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);
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G_DEFINE_TYPE (GstUnalignedVideoParse, gst_unaligned_video_parse, GST_TYPE_BIN);
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static void
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gst_unaligned_video_parse_class_init (GstUnalignedVideoParseClass * klass)
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{
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GstElementClass *element_class;
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GST_DEBUG_CATEGORY_INIT (unaligned_video_parse_debug, "unalignedvideoparse",
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0, "Unaligned raw video parser");
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element_class = GST_ELEMENT_CLASS (klass);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&static_sink_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&static_src_template));
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gst_element_class_set_static_metadata (element_class,
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"unalignedvideoparse",
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"Codec/Parser/Bin/Video",
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"Parse unaligned raw video data",
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"Carlos Rafael Giani <dv@pseudoterminal.org>");
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}
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static void
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gst_unaligned_video_parse_init (GstUnalignedVideoParse * unaligned_video_parse)
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{
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GstPad *inner_pad;
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GstPad *ghostpad;
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unaligned_video_parse->inner_parser =
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gst_element_factory_make ("rawvideoparse", "inner_parser");
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g_assert (unaligned_video_parse->inner_parser != NULL);
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g_object_set (G_OBJECT (unaligned_video_parse->inner_parser),
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"use-sink-caps", TRUE, NULL);
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gst_bin_add (GST_BIN (unaligned_video_parse),
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unaligned_video_parse->inner_parser);
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inner_pad =
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gst_element_get_static_pad (unaligned_video_parse->inner_parser, "sink");
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ghostpad =
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gst_ghost_pad_new_from_template ("sink", inner_pad,
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gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS
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(unaligned_video_parse), "sink"));
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gst_element_add_pad (GST_ELEMENT (unaligned_video_parse), ghostpad);
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gst_object_unref (GST_OBJECT (inner_pad));
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inner_pad = gst_element_get_static_pad (unaligned_video_parse->inner_parser,
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"src");
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ghostpad =
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gst_ghost_pad_new_from_template ("src", inner_pad,
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gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS
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(unaligned_video_parse), "src"));
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gst_element_add_pad (GST_ELEMENT (unaligned_video_parse), ghostpad);
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gst_object_unref (GST_OBJECT (inner_pad));
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}
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