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/* GStreamer
* Copyright (C) 2016 Carlos Rafael Giani <dv@pseudoterminal.org>
*
* gstunalignedvideoparse.c:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <string.h>
#include <stdio.h>
#include <gst/gst.h>
#include <gst/video/video.h>
#include "gstunalignedvideoparse.h"
#include "unalignedvideo.h"
GST_DEBUG_CATEGORY (unaligned_video_parse_debug);
#define GST_CAT_DEFAULT unaligned_video_parse_debug
struct _GstUnalignedVideoParse
{
GstBin parent;
GstElement *inner_parser;
};
struct _GstUnalignedVideoParseClass
{
GstBinClass parent_class;
};
static GstStaticPadTemplate static_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_UNALIGNED_RAW_VIDEO_CAPS)
);
static GstStaticPadTemplate static_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL))
);
G_DEFINE_TYPE (GstUnalignedVideoParse, gst_unaligned_video_parse, GST_TYPE_BIN);
static void
gst_unaligned_video_parse_class_init (GstUnalignedVideoParseClass * klass)
{
GstElementClass *element_class;
GST_DEBUG_CATEGORY_INIT (unaligned_video_parse_debug, "unalignedvideoparse",
0, "Unaligned raw video parser");
element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&static_sink_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&static_src_template));
gst_element_class_set_static_metadata (element_class,
"unalignedvideoparse",
"Codec/Parser/Bin/Video",
"Parse unaligned raw video data",
"Carlos Rafael Giani <dv@pseudoterminal.org>");
}
static void
gst_unaligned_video_parse_init (GstUnalignedVideoParse * unaligned_video_parse)
{
GstPad *inner_pad;
GstPad *ghostpad;
unaligned_video_parse->inner_parser =
gst_element_factory_make ("rawvideoparse", "inner_parser");
g_assert (unaligned_video_parse->inner_parser != NULL);
g_object_set (G_OBJECT (unaligned_video_parse->inner_parser),
"use-sink-caps", TRUE, NULL);
gst_bin_add (GST_BIN (unaligned_video_parse),
unaligned_video_parse->inner_parser);
inner_pad =
gst_element_get_static_pad (unaligned_video_parse->inner_parser, "sink");
ghostpad =
gst_ghost_pad_new_from_template ("sink", inner_pad,
gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS
(unaligned_video_parse), "sink"));
gst_element_add_pad (GST_ELEMENT (unaligned_video_parse), ghostpad);
gst_object_unref (GST_OBJECT (inner_pad));
inner_pad = gst_element_get_static_pad (unaligned_video_parse->inner_parser,
"src");
ghostpad =
gst_ghost_pad_new_from_template ("src", inner_pad,
gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS
(unaligned_video_parse), "src"));
gst_element_add_pad (GST_ELEMENT (unaligned_video_parse), ghostpad);
gst_object_unref (GST_OBJECT (inner_pad));
}
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