gstreamer/subprojects/gst-plugins-good/ext/adaptivedemux2/dash/gstdashdemux.h

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/*
* DASH demux plugin for GStreamer
*
* gstdashdemux.h
*
* Copyright (C) 2012 Orange
* Authors:
* David Corvoysier <david.corvoysier@orange.com>
* Hamid Zakari <hamid.zakari@gmail.com>
*
* Copyright (C) 2013 Smart TV Alliance
* Author: Thiago Sousa Santos <thiago.sousa.santos@collabora.com>, Collabora Ltd.
*
* Copyright (C) 2021 Centricular Ltd
* Author: Edward Hervey <edward@centricular.com>
* Author: Jan Schmidt <jan@centricular.com>
*
* 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 2.1 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 (COPYING); if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_DASH_DEMUX_H__
#define __GST_DASH_DEMUX_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <gst/base/gstdataqueue.h>
#include "gstisoff.h"
#include "gstadaptivedemux.h"
#include "gstmpdclient.h"
G_BEGIN_DECLS
#define GST_TYPE_DASH_DEMUX2 \
(gst_dash_demux2_get_type())
#define GST_DASH_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DASH_DEMUX2,GstDashDemux2))
#define GST_DASH_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DASH_DEMUX2,GstDashDemux2Class))
#define GST_IS_DASH_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DASH_DEMUX2))
#define GST_IS_DASH_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DASH_DEMUX2))
#define GST_DASH_DEMUX_CAST(obj) \
((GstDashDemux2 *)obj)
#define GST_TYPE_DASH_DEMUX_STREAM \
(gst_dash_demux_stream_get_type())
#define GST_DASH_DEMUX_STREAM(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DASH_DEMUX_STREAM,GstDashDemux2Stream))
#define GST_DASH_DEMUX_STREAM_CAST(obj) ((GstDashDemux2Stream *)obj)
typedef struct _GstDashDemux2Stream GstDashDemux2Stream;
typedef GstAdaptiveDemux2StreamClass GstDashDemux2StreamClass;
typedef struct _GstDashDemux2ClockDrift GstDashDemux2ClockDrift;
typedef struct _GstDashDemux2 GstDashDemux2;
typedef struct _GstDashDemux2Class GstDashDemux2Class;
struct _GstDashDemux2Stream
{
GstAdaptiveDemux2Stream parent;
gint index;
GstActiveStream *active_stream;
/* Track provided by this stream */
GstAdaptiveDemuxTrack *track;
GstMediaFragmentInfo current_fragment;
/* index parsing */
GstSidxParser sidx_parser;
GstClockTime sidx_position;
gint64 sidx_base_offset;
gboolean allow_sidx;
GstClockTime pending_seek_ts;
GstAdapter *adapter;
/* current offset of the first byte in the adapter / last byte we pushed or
* dropped*/
guint64 current_offset;
/* index = 1, header = 2, data = 3 */
guint current_index_header_or_data;
/* ISOBMFF box parsing */
gboolean is_isobmff;
struct {
/* index = 1, header = 2, data = 3 */
guint32 current_fourcc;
guint64 current_start_offset;
guint64 current_size;
} isobmff_parser;
GstMoofBox *moof;
guint64 moof_offset, moof_size;
GArray *moof_sync_samples;
guint current_sync_sample;
guint64 moof_average_size;
guint64 keyframe_average_size;
guint64 keyframe_average_distance;
gboolean first_sync_sample_after_moof, first_sync_sample_always_after_moof;
/* Internal position value, at the keyframe/entry level */
GstClockTime actual_position;
/* Timestamp of the beginning of the current fragment */
GstClockTime current_fragment_timestamp;
GstClockTime current_fragment_duration;
GstClockTime current_fragment_keyframe_distance;
/* Average keyframe download time (only in trickmode-key-units) */
GstClockTime average_download_time;
/* Cached target time (only in trickmode-key-units) */
GstClockTime target_time;
/* Average skip-ahead time (only in trickmode-key-units) */
GstClockTime average_skip_size;
};
/**
* GstDashDemux2:
*
* Opaque #GstDashDemux2 data structure.
*/
struct _GstDashDemux2
{
GstAdaptiveDemux parent;
GSList *next_periods;
GstMPDClient2 *client; /* MPD client */
GMutex client_lock;
GstDashDemux2ClockDrift *clock_drift;
gboolean end_of_period;
gboolean end_of_manifest;
/* Properties */
gint max_video_width, max_video_height;
gint max_video_framerate_n, max_video_framerate_d;
gchar* default_presentation_delay; /* presentation time delay if MPD@suggestedPresentationDelay is not present */
gboolean allow_trickmode_key_units;
};
struct _GstDashDemux2Class
{
GstAdaptiveDemuxClass parent_class;
};
GType gst_dash_demux2_get_type (void);
GType gst_dash_demux_stream_get_type (void);
GST_ELEMENT_REGISTER_DECLARE (dashdemux2);
G_END_DECLS
#endif /* __GST_DASH_DEMUX_H__ */