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115 lines
3.5 KiB
C
115 lines
3.5 KiB
C
/*
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* tsdemux - GStreamer MPEG transport stream demuxer
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* Copyright (C) 2009 Zaheer Abbas Merali
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* 2010 Edward Hervey
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*
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* Authors:
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* Zaheer Abbas Merali <zaheerabbas at merali dot org>
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* Edward Hervey <edward.hervey@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef GST_TS_DEMUX_H
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#define GST_TS_DEMUX_H
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#include <gst/gst.h>
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#include <gst/base/gstbytereader.h>
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#include <gst/base/gstflowcombiner.h>
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#include "mpegtsbase.h"
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#include "mpegtspacketizer.h"
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/* color specifications for JPEG 2000 stream over MPEG TS */
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typedef enum
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{
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GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_UNKNOWN,
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GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_SRGB,
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GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_REC601,
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GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_REC709,
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GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_CIELUV,
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GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_CIEXYZ,
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GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_REC2020,
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GST_MPEGTSDEMUX_JPEG2000_COLORSPEC_SMPTE2084
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} GstMpegTsDemuxJpeg2000ColorSpec;
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G_BEGIN_DECLS
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#define GST_TYPE_TS_DEMUX \
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(gst_ts_demux_get_type())
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#define GST_TS_DEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TS_DEMUX,GstTSDemux))
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#define GST_TS_DEMUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TS_DEMUX,GstTSDemuxClass))
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#define GST_IS_TS_DEMUX(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TS_DEMUX))
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#define GST_IS_TS_DEMUX_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TS_DEMUX))
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#define GST_TS_DEMUX_GET_CLASS(obj) \
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(G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_TS_DEMUX, GstTSDemuxClass))
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#define GST_TS_DEMUX_CAST(obj) ((GstTSDemux*) obj)
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typedef struct _GstTSDemux GstTSDemux;
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typedef struct _GstTSDemuxClass GstTSDemuxClass;
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struct _GstTSDemux
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{
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MpegTSBase parent;
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gboolean have_group_id;
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guint group_id;
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/* the following vars must be protected with the OBJECT_LOCK as they can be
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* accessed from the application thread and the streaming thread */
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gint requested_program_number; /* Required program number (ignore:-1) */
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guint program_number;
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gboolean emit_statistics;
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gint latency; /* latency in ms */
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/*< private >*/
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gint program_generation; /* Incremented each time we switch program 0..15 */
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MpegTSBaseProgram *program; /* Current program */
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MpegTSBaseProgram *previous_program; /* Previous program, to deactivate once
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* the new program becomes active */
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/* segments to be sent */
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GstEvent *segment_event;
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gboolean reset_segment;
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/* global taglist */
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GstTagList *global_tags;
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/* Full stream duration */
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GstClockTime duration;
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/* Pending seek rate (default 1.0) */
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gdouble rate;
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GstFlowCombiner *flowcombiner;
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/* Used when seeking for a keyframe to go backward in the stream */
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guint64 last_seek_offset;
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};
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struct _GstTSDemuxClass
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{
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MpegTSBaseClass parent_class;
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};
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G_GNUC_INTERNAL GType gst_ts_demux_get_type (void);
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GST_ELEMENT_REGISTER_DECLARE (tsdemux);
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G_END_DECLS
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#endif /* GST_TS_DEMUX_H */
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