gstreamer/gst/mpegtsdemux/mpegtsparse.h
2021-04-11 16:16:55 +00:00

102 lines
2.7 KiB
C

/*
* mpegts_parse.h - GStreamer MPEG transport stream parser
* Copyright (C) 2007 Alessandro Decina
*
* Authors:
* Alessandro Decina <alessandro@nnva.org>
*
* 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_MPEG_TS_PARSE_H
#define GST_MPEG_TS_PARSE_H
#include <gst/gst.h>
#include <gst/base/gstflowcombiner.h>
#include "mpegtsbase.h"
#include "mpegtspacketizer.h"
G_BEGIN_DECLS
#define GST_TYPE_MPEGTS_PARSE \
(mpegts_parse_get_type())
#define GST_MPEGTS_PARSE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MPEGTS_PARSE,MpegTSParse2))
#define GST_MPEGTS_PARSE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MPEGTS_PARSE,MpegTSParse2Class))
#define GST_IS_MPEGTS_PARSE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MPEGTS_PARSE))
#define GST_IS_MPEGTS_PARSE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MPEGTS_PARSE))
typedef struct _MpegTSParse2 MpegTSParse2;
typedef struct _MpegTSParse2Class MpegTSParse2Class;
typedef struct _MpegTSParse2Adapter {
GstAdapter *adapter;
guint packets_in_adapter;
gboolean first_is_keyframe;
} MpegTSParse2Adapter;
struct _MpegTSParse2 {
MpegTSBase parent;
gboolean have_group_id;
guint group_id;
GstClockTime smoothing_latency;
GstClockTime base_pcr;
GstClockTime ts_offset;
GstClockTime current_pcr;
gint user_pcr_pid;
gint pcr_pid;
/* Always present source pad */
GstPad *srcpad;
/* Request source (single program) pads */
GList *srcpads;
GstFlowCombiner *flowcombiner;
/* state */
gboolean first;
gboolean set_timestamps;
/* Pending buffer state */
GList *pending_buffers;
GstClockTime previous_pcr;
guint bytes_since_pcr;
/* Combine several packets into a larger buffer */
MpegTSParse2Adapter ts_adapter;
guint alignment;
gboolean split_on_rai;
gboolean is_eos;
guint32 header;
};
struct _MpegTSParse2Class {
MpegTSBaseClass parent_class;
};
G_GNUC_INTERNAL GType mpegts_parse_get_type(void);
GST_ELEMENT_REGISTER_DECLARE (tsparse);
G_END_DECLS
#endif /* GST_MPEG_TS_PARSE_H */