gstreamer/gst/videoparsers/gsth264parse.h
Sreerenj Balachandran ab3f7d6096 h264parse: Remove the explicit PAR calculation based on VUI headers
The PAR calculation based on VUI headers is already doing by the
h264 codecparser and we does't need to duplicate those code.

https://bugzilla.gnome.org//show_bug.cgi?id=711009
2013-10-31 23:00:58 +01:00

122 lines
3.3 KiB
C

/* GStreamer H.264 Parser
* Copyright (C) <2010> Collabora ltd
* Copyright (C) <2010> Nokia Corporation
* Copyright (C) <2011> Intel Corporation
*
* Copyright (C) <2010> Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
* Copyright (C) <2011> Thibault Saunier <thibault.saunier@collabora.com>
*
* 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.
*/
#ifndef __GST_H264_PARSE_H__
#define __GST_H264_PARSE_H__
#include <gst/gst.h>
#include <gst/base/gstbaseparse.h>
#include <gst/codecparsers/gsth264parser.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;
/* stream */
gint width, height;
gint fps_num, fps_den;
gint upstream_par_n, upstream_par_d;
gint parsed_par_n, parsed_par_d;
/* current codec_data in output caps, if any */
GstBuffer *codec_data;
/* input codec_data, if any */
GstBuffer *codec_data_in;
guint nal_length_size;
gboolean packetized;
gboolean split_packetized;
gboolean transform;
/* state */
GstH264NalParser *nalparser;
guint align;
guint format;
gint current_off;
GstClockTime last_report;
gboolean push_codec;
gboolean have_sps;
gboolean have_pps;
/* collected SPS and PPS NALUs */
GstBuffer *sps_nals[GST_H264_MAX_SPS_COUNT];
GstBuffer *pps_nals[GST_H264_MAX_PPS_COUNT];
/* Infos we need to keep track of */
guint32 sei_cpb_removal_delay;
guint8 sei_pic_struct;
guint8 sei_pic_struct_pres_flag;
guint field_pic_flag;
/* cached timestamps */
/* (trying to) track upstream dts and interpolate */
GstClockTime dts;
/* dts at start of last buffering period */
GstClockTime ts_trn_nb;
gboolean do_ts;
/* frame parsing */
/*guint last_nal_pos;*/
/*guint next_sc_pos;*/
gint idr_pos, sei_pos;
gboolean update_caps;
GstAdapter *frame_out;
gboolean keyframe;
gboolean frame_start;
/* AU state */
gboolean picture_start;
/* props */
guint interval;
GstClockTime pending_key_unit_ts;
GstEvent *force_key_unit_event;
};
struct _GstH264ParseClass
{
GstBaseParseClass parent_class;
};
G_END_DECLS
#endif