mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-27 18:50:48 +00:00
d86b2d4efa
Similarly to hlsdemux2 that has this property, also add it to dashdemux2 so users can use it to choose first alternate. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3894>
173 lines
5.1 KiB
C
173 lines
5.1 KiB
C
/*
|
|
* 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;
|
|
|
|
gchar *last_representation_id;
|
|
};
|
|
|
|
/**
|
|
* 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 */
|
|
guint start_bitrate; /* Initial bitrate to use before any bandwidth measurement */
|
|
|
|
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);
|
|
|
|
G_END_DECLS
|
|
#endif /* __GST_DASH_DEMUX_H__ */
|
|
|