mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-13 12:51:16 +00:00
1b762ba012
Take the gap logic from mpegtsdemux, and don't send gap events on a stream that's outputting buffers with no timestamps. Time isn't advancing, but the stream has buffers - so it's not sparse. Fixes #2374 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4333>
187 lines
4.9 KiB
C
187 lines
4.9 KiB
C
/*
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* This library is licensed under 2 different licenses and you
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* can choose to use it under the terms of either one of them. The
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* two licenses are the MPL 1.1 and the LGPL.
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*
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* MPL:
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*
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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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* LGPL:
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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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* 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_PS_DEMUX_H__
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#define __GST_PS_DEMUX_H__
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#include <gst/gst.h>
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#include <gst/base/gstadapter.h>
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#include <gst/base/gstflowcombiner.h>
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#include "gstpesfilter.h"
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G_BEGIN_DECLS
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#define GST_TYPE_PS_DEMUX (gst_ps_demux_get_type())
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#define GST_PS_DEMUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PS_DEMUX,GstPsDemux))
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#define GST_PS_DEMUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PS_DEMUX,GstPsDemuxClass))
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#define GST_PS_DEMUX_GET_CLASS(klass) (G_TYPE_INSTANCE_GET_CLASS((klass),GST_TYPE_PS_DEMUX,GstPsDemuxClass))
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#define GST_IS_PS_DEMUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PS_DEMUX))
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#define GST_IS_PS_DEMUX_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PS_DEMUX))
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typedef struct _GstPsStream GstPsStream;
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typedef struct _GstPsDemux GstPsDemux;
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typedef struct _GstPsDemuxClass GstPsDemuxClass;
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#define GST_PS_DEMUX_MAX_STREAMS 256
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#define GST_PS_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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{
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GST_PS_DEMUX_SYNC_AUTO = 0,
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GST_PS_DEMUX_SYNC_SCR = 1,
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GST_PS_DEMUX_SYNC_DTS = 2
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} GstPsDemuxSync;
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typedef enum
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{
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STATE_PS_DEMUX_NEED_SYNC,
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STATE_PS_DEMUX_SYNCED,
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STATE_PS_DEMUX_NEED_MORE_DATA,
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} GstPsDemuxState;
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/* Information associated with a single FluPS stream. */
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struct _GstPsStream
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{
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GstPad *pad;
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gint id;
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gint type;
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/* Threshold for sending a GAP event on this stream */
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GstClockTime gap_threshold;
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/* Reference PTS used to detect gaps */
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GstClockTime gap_ref_pts;
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/* Number of outputted buffers */
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guint32 nb_out_buffers;
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/* Reference number of buffers for gaps */
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guint32 gap_ref_buffers;
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GstClockTime last_ts;
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gboolean discont;
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gboolean notlinked;
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gboolean need_segment;
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GstTagList *pending_tags;
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};
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struct _GstPsDemux
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{
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GstElement parent;
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GstPad *sinkpad;
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gboolean random_access; /* If we operate in pull mode */
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gboolean flushing;
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gboolean have_group_id;
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guint group_id;
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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 last_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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guint64 cur_scr_offset;
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guint64 first_pts;
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guint64 last_pts;
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gint16 psm[GST_PS_DEMUX_MAX_PSM];
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GstSegment sink_segment;
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GstSegment src_segment;
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guint32 segment_seqnum;
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/* stream output */
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GstPsStream *current_stream;
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guint64 next_pts;
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guint64 next_dts;
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GstPsStream **streams;
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GstPsStream **streams_found;
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gint found_count;
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gboolean need_no_more_pads;
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GstFlowCombiner *flowcombiner;
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/* Indicates an MPEG-2 stream */
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gboolean is_mpeg2_pack;
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/* properties */
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gboolean ignore_scr;
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};
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struct _GstPsDemuxClass
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{
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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 *subpicture_template;
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GstPadTemplate *private_template;
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};
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GType gst_ps_demux_get_type (void);
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GST_ELEMENT_REGISTER_DECLARE (mpegpsdemux);
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G_END_DECLS
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#endif /* __GST_PS_DEMUX_H__ */
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