gstreamer/subprojects/gst-plugins-bad/gst/mpegtsdemux/tsdemux.h

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/*
* tsdemux - GStreamer MPEG transport stream demuxer
* Copyright (C) 2009 Zaheer Abbas Merali
* 2010 Edward Hervey
*
* Authors:
* Zaheer Abbas Merali <zaheerabbas at merali dot org>
* Edward Hervey <edward.hervey@collabora.co.uk>
*
* 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_TS_DEMUX_H
#define GST_TS_DEMUX_H
#include <gst/gst.h>
#include <gst/base/gstbytereader.h>
#include <gst/base/gstflowcombiner.h>
#include "mpegtsbase.h"
#include "mpegtspacketizer.h"
/* color specifications for JPEG 2000 stream over MPEG TS */
typedef enum
{
GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_UNKNOWN,
GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_SRGB,
GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_REC601,
GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_REC709,
GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_CIELUV,
GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_CIEXYZ,
GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_REC2020,
GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_SMPTE2084
} GstMpegTsDemuxJpeg2000ColorSpec;
G_BEGIN_DECLS
#define GST_TYPE_TS_DEMUX \
(gst_ts_demux_get_type())
#define GST_TS_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TS_DEMUX,GstTSDemux))
#define GST_TS_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TS_DEMUX,GstTSDemuxClass))
#define GST_IS_TS_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TS_DEMUX))
#define GST_IS_TS_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TS_DEMUX))
#define GST_TS_DEMUX_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_TS_DEMUX, GstTSDemuxClass))
#define GST_TS_DEMUX_CAST(obj) ((GstTSDemux*) obj)
typedef struct _GstTSDemux GstTSDemux;
typedef struct _GstTSDemuxClass GstTSDemuxClass;
struct _GstTSDemux
{
MpegTSBase parent;
gboolean have_group_id;
guint group_id;
/* the following vars must be protected with the OBJECT_LOCK as they can be
* accessed from the application thread and the streaming thread */
gint requested_program_number; /* Required program number (ignore:-1) */
guint program_number;
gboolean emit_statistics;
gboolean send_scte35_events;
gint latency; /* latency in ms */
/*< private >*/
gint program_generation; /* Incremented each time we switch program 0..15 */
MpegTSBaseProgram *program; /* Current program */
MpegTSBaseProgram *previous_program; /* Previous program, to deactivate once
* the new program becomes active */
/* segments to be sent */
GstEvent *segment_event;
gboolean reset_segment;
/* global taglist */
GstTagList *global_tags;
/* Full stream duration */
GstClockTime duration;
/* Pending seek rate (default 1.0) */
gdouble rate;
GstFlowCombiner *flowcombiner;
/* Used when seeking for a keyframe to go backward in the stream */
guint64 last_seek_offset;
/* The current difference between PES PTSs and our output running times,
* in the MPEG time domain. This is used for potentially updating
* SCTE 35 sections' pts_adjustment further down the line (eg mpegtsmux) */
guint64 mpeg_pts_offset;
/* This is to protect demux->segment_event */
GMutex lock;
};
struct _GstTSDemuxClass
{
MpegTSBaseClass parent_class;
};
2012-07-13 14:22:11 +00:00
G_GNUC_INTERNAL GType gst_ts_demux_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (tsdemux);
G_END_DECLS
#endif /* GST_TS_DEMUX_H */