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13694cd654
When updating a pad, send the update to half a second behind the SCR, which avoids ever updating the start time for a pad to beyond the end of the cell. Also, remember the last actual new-segment start time for each pad, and use it when closing the segment.
132 lines
3.8 KiB
C
132 lines
3.8 KiB
C
/*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/.
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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* License for the specific language governing rights and limitations
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* under the License.
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*
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* The Original Code is Fluendo MPEG Demuxer plugin.
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*
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* The Initial Developer of the Original Code is Fluendo, S.L.
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* Portions created by Fluendo, S.L. are Copyright (C) 2005
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* Fluendo, S.L. All Rights Reserved.
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*
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* Contributor(s): Wim Taymans <wim@fluendo.com>
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* Jan Schmidt <thaytan@noraisin.net>
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*/
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#ifndef __GST_FLUPS_DEMUX_H__
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#define __GST_FLUPS_DEMUX_H__
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#include <gst/gst.h>
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#include <gst/base/gstadapter.h>
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#include "gstpesfilter.h"
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G_BEGIN_DECLS
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#define GST_TYPE_FLUPS_DEMUX (gst_flups_demux_get_type())
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#define GST_FLUPS_DEMUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FLUPS_DEMUX,GstFluPSDemux))
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#define GST_FLUPS_DEMUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FLUPS_DEMUX,GstFluPSDemuxClass))
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#define GST_FLUPS_DEMUX_GET_CLASS(klass) (G_TYPE_INSTANCE_GET_CLASS((klass),GST_TYPE_FLUPS_DEMUX,GstFluPSDemuxClass))
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#define GST_IS_FLUPS_DEMUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FLUPS_DEMUX))
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#define GST_IS_FLUPS_DEMUX_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FLUPS_DEMUX))
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typedef struct _GstFluPSStream GstFluPSStream;
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typedef struct _GstFluPSDemux GstFluPSDemux;
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typedef struct _GstFluPSDemuxClass GstFluPSDemuxClass;
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#define GST_FLUPS_DEMUX_MAX_STREAMS 256
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#define GST_FLUPS_DEMUX_MAX_PSM 256
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#define MAX_DVD_AUDIO_STREAMS 8
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#define MAX_DVD_SUBPICTURE_STREAMS 32
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typedef enum {
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STATE_FLUPS_DEMUX_NEED_SYNC,
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STATE_FLUPS_DEMUX_SYNCED,
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STATE_FLUPS_DEMUX_NEED_MORE_DATA,
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} GstFluPSDemuxState;
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/* Information associated with a single FluPS stream. */
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struct _GstFluPSStream {
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GstPad * pad;
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gint id;
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gint type;
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gint size_bound;
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gboolean discont;
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gboolean notlinked;
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gboolean need_segment;
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GstClockTime last_seg_start;
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GstClockTime last_ts;
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GstClockTime segment_thresh;
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};
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struct _GstFluPSDemux {
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GstElement parent;
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GstPad * sinkpad;
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GstAdapter * adapter;
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GstAdapter * rev_adapter;
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guint64 adapter_offset;
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guint32 last_sync_code;
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GstPESFilter filter;
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gint64 mux_rate;
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guint64 first_scr;
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guint64 first_dts;
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guint64 base_time;
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guint64 current_scr;
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guint64 next_scr;
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guint64 bytes_since_scr;
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gint64 scr_adjust;
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guint64 scr_rate_n;
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guint64 scr_rate_d;
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guint64 first_scr_offset;
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guint64 last_scr_offset;
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gint16 psm[GST_FLUPS_DEMUX_MAX_PSM];
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GstSegment sink_segment;
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GstSegment src_segment;
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/* stream output */
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GstFluPSStream * current_stream;
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guint64 next_pts;
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guint64 next_dts;
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GstFluPSStream ** streams;
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gboolean need_no_more_pads;
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/* Indicates an MPEG-2 stream */
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gboolean is_mpeg2_pack;
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/* Language codes event is stored when a dvd-lang-codes
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* custom event arrives from upstream */
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GstEvent * lang_codes;
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gint audio_stream_types[MAX_DVD_AUDIO_STREAMS];
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};
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struct _GstFluPSDemuxClass {
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GstElementClass parent_class;
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GstPadTemplate *sink_template;
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GstPadTemplate *video_template;
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GstPadTemplate *audio_template;
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GstPadTemplate *private_template;
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GstPadTemplate *subpicture_template;
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};
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GType gst_flups_demux_get_type (void);
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gboolean gst_flups_demux_plugin_init (GstPlugin *plugin);
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G_END_DECLS
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#endif /* __GST_FLUPS_DEMUX_H__ */
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