gstreamer/gst/videoparsers/gsth264parse.h
Mark Nauwelaerts d0b942980e videoparsers: add h264parse
Functionally equivalent to (legacy)h264parse and re-uses the latter's low
level NAL parsing, but otherwise based on GstBaseParse, and replacing
some property configuration with caps negotiation.
2011-01-28 12:50:25 +01:00

93 lines
2.4 KiB
C

/* GStreamer H.264 Parser
* Copyright (C) <2010> Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
* Copyright (C) <2010> Collabora Multimedia
* Copyright (C) <2010> Nokia Corporation
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_H264_PARSE_H__
#define __GST_H264_PARSE_H__
#include <gst/gst.h>
#include "gstbaseparse.h"
#include "h264parse.h"
G_BEGIN_DECLS
typedef struct _H264Params H264Params;
#define GST_TYPE_H264_PARSE \
(gst_h264_parse_get_type())
#define GST_H264_PARSE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_H264_PARSE,GstH264Parse))
#define GST_H264_PARSE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_H264_PARSE,GstH264ParseClass))
#define GST_IS_H264_PARSE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_H264_PARSE))
#define GST_IS_H264_PARSE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_H264_PARSE))
GType gst_h264_parse_get_type (void);
typedef struct _GstH264Parse GstH264Parse;
typedef struct _GstH264ParseClass GstH264ParseClass;
struct _GstH264Parse
{
GstBaseParse baseparse;
GstPadChainFunction parse_chain;
/* stream */
gint width, height;
gint fps_num, fps_den;
GstBuffer *codec_data;
guint nal_length_size;
gboolean packetized;
/* state */
GstH264Params *params;
guint align;
guint format;
GstClockTime last_report;
gboolean push_codec;
/* frame parsing */
guint last_nal_pos;
guint next_sc_pos;
gint idr_pos;
gboolean update_caps;
GstAdapter *frame_out;
gboolean keyframe;
gboolean frame_start;
/* AU state */
gboolean picture_start;
/* props */
gboolean split_packetized;
guint interval;
};
struct _GstH264ParseClass
{
GstBaseParseClass parent_class;
};
G_END_DECLS
#endif