gstreamer/subprojects/gst-plugins-good/ext/adaptivedemux2/gstadaptivedemux.h
2022-08-04 14:49:33 +01:00

795 lines
24 KiB
C

/* GStreamer
*
* Copyright (C) 2014 Samsung Electronics. All rights reserved.
* Author: Thiago Santos <thiagoss@osg.samsung.com>
*
* Copyright (C) 2021-2022 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 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; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef _GST_ADAPTIVE_DEMUX_H_
#define _GST_ADAPTIVE_DEMUX_H_
#include <gst/gst.h>
#include <gst/base/gstqueuearray.h>
#include <gst/app/gstappsrc.h>
#include "downloadhelper.h"
#include "downloadrequest.h"
#include "gstadaptivedemuxutils.h"
G_BEGIN_DECLS
#define GST_TYPE_ADAPTIVE_DEMUX \
(gst_adaptive_demux_ng_get_type())
#define GST_ADAPTIVE_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ADAPTIVE_DEMUX,GstAdaptiveDemux))
#define GST_ADAPTIVE_DEMUX_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ADAPTIVE_DEMUX,GstAdaptiveDemuxClass))
#define GST_ADAPTIVE_DEMUX_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_ADAPTIVE_DEMUX,GstAdaptiveDemuxClass))
#define GST_IS_ADAPTIVE_DEMUX(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ADAPTIVE_DEMUX))
#define GST_IS_ADAPTIVE_DEMUX_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ADAPTIVE_DEMUX))
#define GST_ADAPTIVE_DEMUX_CAST(obj) ((GstAdaptiveDemux *)obj)
#define GST_TYPE_ADAPTIVE_DEMUX2_STREAM \
(gst_adaptive_demux2_stream_get_type())
#define GST_ADAPTIVE_DEMUX2_STREAM(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ADAPTIVE_DEMUX2_STREAM,GstAdaptiveDemux2Stream))
#define GST_ADAPTIVE_DEMUX2_STREAM_CAST(obj) ((GstAdaptiveDemux2Stream *)obj)
typedef struct _GstAdaptiveDemux2Stream GstAdaptiveDemux2Stream;
typedef GstObjectClass GstAdaptiveDemux2StreamClass;
/**
* GST_ADAPTIVE_DEMUX_SINK_NAME:
*
* The name of the templates for the sink pad.
*/
#define GST_ADAPTIVE_DEMUX_SINK_NAME "sink"
/**
* GST_ADAPTIVE_DEMUX_SINK_PAD:
* @obj: a #GstAdaptiveDemux
*
* Gives the pointer to the sink #GstPad object of the element.
*/
#define GST_ADAPTIVE_DEMUX_SINK_PAD(obj) (((GstAdaptiveDemux *) (obj))->sinkpad)
#define GST_ADAPTIVE_DEMUX_IN_TRICKMODE_KEY_UNITS(obj) ((((GstAdaptiveDemux*)(obj))->segment.flags & GST_SEGMENT_FLAG_TRICKMODE_KEY_UNITS) == GST_SEGMENT_FLAG_TRICKMODE_KEY_UNITS)
#define GST_ADAPTIVE_DEMUX2_STREAM_NEED_HEADER(obj) (((GstAdaptiveDemux2Stream *) (obj))->need_header)
/**
* GST_ADAPTIVE_DEMUX_STATISTICS_MESSAGE_NAME:
*
* Name of the ELEMENT type messages posted by dashdemux with statistics.
*
* Since: 1.6
*/
#define GST_ADAPTIVE_DEMUX_STATISTICS_MESSAGE_NAME "adaptive-streaming-statistics"
#define GST_ELEMENT_ERROR_FROM_ERROR(el, msg, err) G_STMT_START { \
gchar *__dbg = g_strdup_printf ("%s: %s", msg, err->message); \
GST_WARNING_OBJECT (el, "error: %s", __dbg); \
gst_element_message_full (GST_ELEMENT(el), GST_MESSAGE_ERROR, \
err->domain, err->code, \
NULL, __dbg, __FILE__, GST_FUNCTION, __LINE__); \
g_clear_error (&err); \
} G_STMT_END
/* DEPRECATED */
#define GST_ADAPTIVE_DEMUX_FLOW_END_OF_FRAGMENT GST_FLOW_CUSTOM_SUCCESS_1
/* Current fragment download should be aborted and restarted. The parent class
* will call ::update_fragment_info() again to get the updated information.
*/
#define GST_ADAPTIVE_DEMUX_FLOW_RESTART_FRAGMENT GST_FLOW_CUSTOM_SUCCESS_2
/* The live stream has lost synchronization and the demuxer needs to be resetted */
#define GST_ADAPTIVE_DEMUX_FLOW_LOST_SYNC GST_FLOW_CUSTOM_SUCCESS_2 + 1
typedef enum _GstAdaptiveDemux2StreamState GstAdaptiveDemux2StreamState;
typedef struct _GstAdaptiveDemux2StreamFragment GstAdaptiveDemux2StreamFragment;
typedef struct _GstAdaptiveDemuxTrack GstAdaptiveDemuxTrack;
typedef struct _GstAdaptiveDemuxPeriod GstAdaptiveDemuxPeriod;
typedef struct _GstAdaptiveDemux GstAdaptiveDemux;
typedef struct _GstAdaptiveDemuxClass GstAdaptiveDemuxClass;
typedef struct _GstAdaptiveDemuxPrivate GstAdaptiveDemuxPrivate;
struct _GstAdaptiveDemux2StreamFragment
{
/* The period-local stream time for the given fragment. */
GstClockTimeDiff stream_time;
GstClockTime duration;
gchar *uri;
gint64 range_start;
gint64 range_end;
/* when chunked downloading is used, may be be updated need_another_chunk() */
gint chunk_size;
/* when headers are needed */
gchar *header_uri;
gint64 header_range_start;
gint64 header_range_end;
/* when index is needed */
gchar *index_uri;
gint64 index_range_start;
gint64 index_range_end;
gboolean finished;
};
struct _GstAdaptiveDemuxTrack
{
gint ref_count;
/* Demux */
GstAdaptiveDemux *demux;
/* Stream type */
GstStreamType type;
/* Stream flags */
GstStreamFlags flags;
/* Unique identifier */
gchar *stream_id;
/* Period number this track belongs
* to (MAXINT if not assigned to a period yet)
*/
guint period_num;
/* Unique identifier of the internal stream produced
* by parsebin for the Stream this track comes from */
gchar *upstream_stream_id;
/* Generic *elementary stream* caps */
GstCaps *generic_caps;
/* Generic metadata */
GstTagList *tags;
/* The stream object */
GstStream *stream_object;
/* If TRUE, this track should be filled */
gboolean selected;
/* If TRUE, this track is currently being outputted */
gboolean active;
/* If TRUE, it is no longer selected but still being outputted. */
gboolean draining;
/* FIXME : Replace by actual track element */
GstElement *element;
/* The level at which 100% buffering is achieved */
GstClockTime buffering_threshold;
/* The sinkpad receives parsed elementary stream */
GstPad *sinkpad;
/* The pending parsebin source pad (used in case streams from parsebin get updated) (ref taken) */
GstPad *pending_srcpad;
/* Data storage */
GstQueueArray *queue;
/* Sticky event storage for this track */
GstEventStore sticky_events;
/* ============== */
/* Input tracking */
/* The track received EOS */
gboolean eos;
/* Level to wait until download can commence */
GstClockTime waiting_del_level;
/* Input segment and time (in running time) */
GstSegment input_segment;
GstClockTimeDiff input_time;
GstClockTimeDiff lowest_input_time;
guint64 input_segment_seqnum;
/* ================= */
/* Contents tracking */
/* Current level of queue in bytes and time */
guint64 level_bytes;
GstClockTime level_time;
/* =============== */
/* Output tracking */
/* Is the output thread waiting for data on this track ? */
gboolean waiting_add;
/* If TRUE, the next pending GstSegment running time should be updated to the
* time stored in update_next_segment_run_ts */
gboolean update_next_segment;
/* Output segment and time (in running time) */
GstSegment output_segment;
GstClockTimeDiff output_time;
/* Track position and duration for emitting gap
* events */
GstClockTime gap_position;
GstClockTime gap_duration;
/* Next running time position pending in queue */
GstClockTimeDiff next_position;
/* If the next output buffer should be marked discont */
gboolean output_discont;
};
enum _GstAdaptiveDemux2StreamState {
GST_ADAPTIVE_DEMUX2_STREAM_STATE_STOPPED, /* Stream was stopped */
GST_ADAPTIVE_DEMUX2_STREAM_STATE_RESTART, /* Stream stopped but needs restart logic */
GST_ADAPTIVE_DEMUX2_STREAM_STATE_START_FRAGMENT,
GST_ADAPTIVE_DEMUX2_STREAM_STATE_WAITING_LIVE,
GST_ADAPTIVE_DEMUX2_STREAM_STATE_WAITING_OUTPUT_SPACE,
GST_ADAPTIVE_DEMUX2_STREAM_STATE_WAITING_MANIFEST_UPDATE,
GST_ADAPTIVE_DEMUX2_STREAM_STATE_DOWNLOADING,
GST_ADAPTIVE_DEMUX2_STREAM_STATE_EOS,
GST_ADAPTIVE_DEMUX2_STREAM_STATE_ERRORED
};
struct _GstAdaptiveDemux2Stream
{
GstObject object;
/* FIXME : transition to gstobject->parent */
GstAdaptiveDemux *demux;
/* The period to which the stream belongs, set when adding the stream to the
* demuxer */
GstAdaptiveDemuxPeriod *period;
/* The tracks this stream targets */
GList *tracks;
/* The internal parsebin, forward data to track */
GstElement *parsebin;
GstPad *parsebin_sink;
gulong pad_added_id, pad_removed_id;
GstSegment parse_segment;
/* TRUE if the current stream GstSegment should be sent downstream */
gboolean send_segment;
/* TRUE if the stream GstSegment requires recalculation (from demuxer
segment) */
gboolean compute_segment;
/* first_and_live applies to compute_segment */
gboolean first_and_live;
/* When restarting, what is the target position (in demux segment) to
* begin at */
GstClockTime start_position;
/* Track the current position (in demux segment) of the current fragment */
GstClockTime current_position;
GstCaps *pending_caps;
GstTagList *pending_tags;
GList *pending_events;
GstFlowReturn last_ret;
GError *last_error;
gboolean discont;
/* download tooling */
gboolean need_header;
gboolean need_index;
gboolean downloading_header;
gboolean downloading_index;
/* persistent, reused download request for fragment data */
DownloadRequest *download_request;
GstAdaptiveDemux2StreamState state;
guint pending_cb_id;
gboolean download_active;
guint last_status_code;
gboolean pending_tracks; /* if we need to discover tracks dynamically for this stream */
gboolean download_finished;
gboolean cancelled;
gboolean replaced; /* replaced in a bitrate switch (used with cancelled) */
gboolean starting_fragment;
gboolean first_fragment_buffer;
gint64 download_start_time;
gint64 download_total_bytes;
gint64 download_end_offset;
guint64 current_download_rate;
/* bitrate of the previous fragment (pre-queue2) */
guint64 last_bitrate;
/* Total last download time, from request to completion */
GstClockTime last_download_time;
/* Average for the last fragments */
guint64 moving_bitrate;
guint moving_index;
guint64 *fragment_bitrates;
GstAdaptiveDemux2StreamFragment fragment;
guint download_error_count;
/* Last collection provided by parsebin */
GstStreamCollection *stream_collection;
/* OR'd set of stream types in this stream */
GstStreamType stream_type;
};
/**
* GstAdaptiveDemuxPeriod:
*
* The opaque #GstAdaptiveDemuxPeriod data structure. */
struct _GstAdaptiveDemuxPeriod
{
gint ref_count;
GstAdaptiveDemux *demux;
/* TRUE if the streams of this period were prepared and can be started */
gboolean prepared;
/* TRUE if there is another period after this one */
gboolean has_next_period;
/* An increasing unique identifier for the period.
*
* Note: unrelated to dash period id (which can be identical across
* periods) */
guint period_num;
/* The list of GstAdaptiveDemux2Stream (ref hold) */
GList *streams;
/* Current collection */
GstStreamCollection *collection;
/* List of available GstAdaptiveDemuxTrack (ref hold) */
GList *tracks;
/* Whether tracks were changed and need re-matching against outputs */
gboolean tracks_changed;
};
/**
* GstAdaptiveDemux:
*
* The opaque #GstAdaptiveDemux data structure.
*/
struct _GstAdaptiveDemux
{
/*< private >*/
GstBin bin;
gint running;
/*< protected >*/
GstPad *sinkpad;
DownloadHelper *download_helper;
/* Protected by TRACKS_LOCK */
/* Period used for output */
GstAdaptiveDemuxPeriod *output_period;
/* Period used for input */
GstAdaptiveDemuxPeriod *input_period;
GstSegment segment;
gdouble instant_rate_multiplier; /* 1.0 by default, or from instant-rate seek */
gchar *manifest_uri;
gchar *manifest_base_uri;
/* Properties */
gfloat bandwidth_target_ratio; /* ratio of the available bitrate to use */
guint connection_speed; /* Available / bandwidth to use set by the application */
guint min_bitrate; /* Minimum bitrate to choose */
guint max_bitrate; /* Maximum bitrate to choose */
guint current_download_rate; /* Current estimate of download bitrate */
/* Buffering levels */
GstClockTime max_buffering_time;
GstClockTime buffering_high_watermark_time;
GstClockTime buffering_low_watermark_time;
gdouble buffering_high_watermark_fragments;
gdouble buffering_low_watermark_fragments;
/* video/audio buffer level as minimum of the appropriate streams */
GstClockTime current_level_time_video;
GstClockTime current_level_time_audio;
gboolean have_group_id;
guint group_id;
guint next_stream_id;
/* Realtime clock */
GstAdaptiveDemuxClock *realtime_clock;
/* < private > */
GstAdaptiveDemuxPrivate *priv;
};
/**
* GstAdaptiveDemuxClass:
*
*/
struct _GstAdaptiveDemuxClass
{
/*< private >*/
GstBinClass bin_class;
/*< public >*/
/**
* process_manifest: Parse the manifest
* @demux: #GstAdaptiveDemux
* @manifest: the manifest to be parsed
*
* Parse the manifest and add the created streams using
* gst_adaptive_demux2_stream_new()
*
* Returns: %TRUE if successful
*/
gboolean (*process_manifest) (GstAdaptiveDemux * demux, GstBuffer * manifest);
/**
* get_manifest_update_interval:
* @demux: #GstAdaptiveDemux
*
* Used during live streaming, the subclass should return the interval
* between successive manifest updates
*
* Returns: the update interval in microseconds
*/
gint64 (*get_manifest_update_interval) (GstAdaptiveDemux * demux);
/**
* update_manifest:
* @demux: #GstAdaptiveDemux
*
* During live streaming, this will be called for the subclass to update its
* manifest with the new version. By default it fetches the manifest URI
* and passes it to GstAdaptiveDemux::update_manifest_data().
*
* Returns: #GST_FLOW_OK is all succeeded, #GST_FLOW_EOS if the stream ended
* or #GST_FLOW_ERROR if an error happened
*/
GstFlowReturn (*update_manifest) (GstAdaptiveDemux * demux);
/**
* update_manifest_data:
* @demux: #GstAdaptiveDemux
* @buf: Downloaded manifest data
*
* During live streaming, this will be called for the subclass to update its
* manifest with the new version
*
* Returns: #GST_FLOW_OK is all succeeded, #GST_FLOW_EOS if the stream ended
* or #GST_FLOW_ERROR if an error happened
*/
GstFlowReturn (*update_manifest_data) (GstAdaptiveDemux * demux, GstBuffer * buf);
gboolean (*is_live) (GstAdaptiveDemux * demux);
GstClockTime (*get_duration) (GstAdaptiveDemux * demux);
/**
* reset:
* @demux: #GstAdaptiveDemux
*
* Reset the internal state of the subclass, getting ready to restart with
* a new stream afterwards
*/
void (*reset) (GstAdaptiveDemux * demux);
/**
* seek:
* @demux: #GstAdaptiveDemux
* @seek: a seek #GstEvent
*
* The demuxer should seek on all its streams to the specified position
* in the seek event
*
* Returns: %TRUE if successful
*/
gboolean (*seek) (GstAdaptiveDemux * demux, GstEvent * seek);
/**
* has_next_period:
* @demux: #GstAdaptiveDemux
*
* Checks if there is a next period following the current one.
* DASH can have multiple medias chained in its manifest, when one finishes
* this function is called to verify if there is a new period to be played
* in sequence.
*
* Returns: %TRUE if there is another period
*/
gboolean (*has_next_period) (GstAdaptiveDemux * demux);
/**
* advance_period:
* @demux: #GstAdaptiveDemux
*
* Advances the manifest to the next period. New streams should be created
* using gst_adaptive_demux2_stream_new().
*/
void (*advance_period) (GstAdaptiveDemux * demux);
GstFlowReturn (*stream_seek) (GstAdaptiveDemux2Stream * stream,
gboolean forward,
GstSeekFlags flags,
GstClockTimeDiff target_ts,
GstClockTimeDiff * final_ts);
gboolean (*stream_has_next_fragment) (GstAdaptiveDemux2Stream * stream);
GstFlowReturn (*stream_advance_fragment) (GstAdaptiveDemux2Stream * stream);
/**
* stream_can_start:
* @demux: The #GstAdaptiveDemux
* @stream: a #GstAdaptiveDemux2Stream
*
* Called before starting a @stream. sub-classes can return %FALSE if more
* information is required before it can be started. Sub-classes will have to
* call gst_adaptive_demux2_stream_start() when the stream should be started.
*/
gboolean (*stream_can_start) (GstAdaptiveDemux *demux,
GstAdaptiveDemux2Stream *stream);
/**
* stream_update_tracks:
* @demux: The #GstAdaptiveDemux
* @stream: A #GstAdaptiveDemux2Stream
*
* Called whenever the base class collected a @collection on a @stream which has
* pending tracks to be created. Subclasses should override this if they
* create streams without tracks.
*
* * create the various tracks by analyzing the @stream stream_collection
* * Set the track upstream_stream_id to the corresponding stream_id from the collection
*/
void (*stream_update_tracks) (GstAdaptiveDemux *demux,
GstAdaptiveDemux2Stream *stream);
/**
* need_another_chunk:
* @stream: #GstAdaptiveDemux2Stream
*
* If chunked downloading is used (chunk_size != 0) this is called once a
* chunk is finished to decide whether more has to be downloaded or not.
* May update chunk_size to a different value
*/
gboolean (*need_another_chunk) (GstAdaptiveDemux2Stream * stream);
/**
* stream_update_fragment_info:
* @stream: #GstAdaptiveDemux2Stream
*
* Requests the stream to set the information about the current fragment to its
* current fragment struct
*
* Returns: #GST_FLOW_OK in success, #GST_FLOW_ERROR on error and #GST_FLOW_EOS
* if there is no fragment.
*/
GstFlowReturn (*stream_update_fragment_info) (GstAdaptiveDemux2Stream * stream);
/**
* stream_select_bitrate:
* @stream: #GstAdaptiveDemux2Stream
* @bitrate: the bitrate to select (in bytes per second)
*
* The stream should try to select the bitrate that is the greater, but not
* greater than the requested bitrate. If it needs a codec change it should
* create the new stream using gst_adaptive_demux2_stream_new(). If it only
* needs a caps change it should set the new caps using
* gst_adaptive_demux2_stream_set_caps().
*
* Returns: %TRUE if the stream changed bitrate, %FALSE otherwise
*/
gboolean (*stream_select_bitrate) (GstAdaptiveDemux2Stream * stream, guint64 bitrate);
/**
* stream_get_fragment_waiting_time:
* @stream: #GstAdaptiveDemux2Stream
*
* For live streams, requests how much time should be waited before starting
* to download the fragment. This is useful to avoid downloading a fragment that
* isn't available yet.
*
* Returns: The waiting time in as a #GstClockTime
*/
GstClockTime (*stream_get_fragment_waiting_time) (GstAdaptiveDemux2Stream * stream);
/**
* start_fragment:
* @demux: #GstAdaptiveDemux
* @stream: #GstAdaptiveDemux2Stream
*
* Notifies the subclass that the given stream is starting the download
* of a new fragment. Can be used to reset/init internal state that is
* needed before each fragment, like decryption engines.
*
* Returns: %TRUE if successful.
*/
gboolean (*start_fragment) (GstAdaptiveDemux * demux, GstAdaptiveDemux2Stream * stream);
/**
* finish_fragment:
* @demux: #GstAdaptiveDemux
* @stream: #GstAdaptiveDemux2Stream
*
* Notifies the subclass that a fragment download was finished.
* It can be used to cleanup internal state after a fragment and
* also push any pending data before moving to the next fragment.
*/
GstFlowReturn (*finish_fragment) (GstAdaptiveDemux * demux, GstAdaptiveDemux2Stream * stream);
/**
* data_received:
* @demux: #GstAdaptiveDemux
* @stream: #GstAdaptiveDemux2Stream
* @buffer: #GstBuffer
*
* Notifies the subclass that a fragment chunk was downloaded. The subclass
* can look at the data and modify/push data as desired.
*
* Returns: #GST_FLOW_OK if successful, #GST_FLOW_ERROR in case of error.
*/
GstFlowReturn (*data_received) (GstAdaptiveDemux * demux, GstAdaptiveDemux2Stream * stream, GstBuffer * buffer);
/**
* get_live_seek_range:
* @demux: #GstAdaptiveDemux
* @start: pointer to put the start position allowed to seek to
* @stop: pointer to put the stop position allowed to seek to
*
* Gets the allowed seek start and stop positions for the current live stream
*
* Return: %TRUE if successful
*/
gboolean (*get_live_seek_range) (GstAdaptiveDemux * demux, gint64 * start, gint64 * stop);
/**
* get_presentation_offset:
* @demux: #GstAdaptiveDemux
* @stream: #GstAdaptiveDemux2Stream
*
* Gets the delay to apply to @stream.
*
* Return: a #GstClockTime representing the (positive) time offset to apply to
* @stream.
*/
GstClockTime (*get_presentation_offset) (GstAdaptiveDemux *demux, GstAdaptiveDemux2Stream *stream);
/**
* get_period_start_time:
* @demux: #GstAdaptiveDemux
*
* Gets the start time of the current period. Timestamps are resetting to 0
* after each period but we have to maintain a continuous stream and running
* time so need to know the start time of the current period.
*
* Return: a #GstClockTime representing the start time of the currently
* selected period.
*/
GstClockTime (*get_period_start_time) (GstAdaptiveDemux *demux);
/**
* requires_periodical_playlist_update:
* @demux: #GstAdaptiveDemux
*
* Some adaptive streaming protocols allow the client to download
* the playlist once and build up the fragment list based on the
* current fragment metadata. For those protocols the demuxer
* doesn't need to periodically refresh the playlist. This vfunc
* is relevant only for live playback scenarios.
*
* Return: %TRUE if the playlist needs to be refreshed periodically by the demuxer.
*/
gboolean (*requires_periodical_playlist_update) (GstAdaptiveDemux * demux);
};
GType gst_adaptive_demux_ng_get_type (void);
GType gst_adaptive_demux2_stream_get_type (void);
gboolean gst_adaptive_demux2_add_stream (GstAdaptiveDemux *demux,
GstAdaptiveDemux2Stream *stream);
gboolean gst_adaptive_demux2_stream_add_track (GstAdaptiveDemux2Stream *stream,
GstAdaptiveDemuxTrack *track);
GstAdaptiveDemuxTrack *gst_adaptive_demux_track_new (GstAdaptiveDemux *demux,
GstStreamType type,
GstStreamFlags flags,
gchar *stream_id,
GstCaps *caps,
GstTagList *tags);
GstAdaptiveDemuxTrack *gst_adaptive_demux_track_ref (GstAdaptiveDemuxTrack *track);
void gst_adaptive_demux_track_unref (GstAdaptiveDemuxTrack *track);
void gst_adaptive_demux2_stream_set_caps (GstAdaptiveDemux2Stream * stream,
GstCaps * caps);
void gst_adaptive_demux2_stream_set_tags (GstAdaptiveDemux2Stream * stream,
GstTagList * tags);
void gst_adaptive_demux2_stream_fragment_clear (GstAdaptiveDemux2StreamFragment * f);
GstFlowReturn gst_adaptive_demux2_stream_push_buffer (GstAdaptiveDemux2Stream * stream,
GstBuffer * buffer);
GstFlowReturn gst_adaptive_demux2_stream_advance_fragment (GstAdaptiveDemux * demux,
GstAdaptiveDemux2Stream * stream,
GstClockTime duration);
gboolean gst_adaptive_demux_start_new_period (GstAdaptiveDemux * demux);
void
gst_adaptive_demux2_stream_start (GstAdaptiveDemux2Stream * stream);
void gst_adaptive_demux2_stream_queue_event (GstAdaptiveDemux2Stream * stream,
GstEvent * event);
gboolean gst_adaptive_demux2_stream_is_selected (GstAdaptiveDemux2Stream *stream);
gboolean gst_adaptive_demux2_stream_is_running (GstAdaptiveDemux2Stream * stream);
GstClockTime gst_adaptive_demux2_get_monotonic_time (GstAdaptiveDemux * demux);
GDateTime *gst_adaptive_demux2_get_client_now_utc (GstAdaptiveDemux * demux);
gboolean gst_adaptive_demux2_is_running (GstAdaptiveDemux * demux);
GstClockTime gst_adaptive_demux2_get_qos_earliest_time (GstAdaptiveDemux *demux);
GstCaps * gst_codec_utils_caps_from_iso_rfc6831 (gchar * codec);
gdouble gst_adaptive_demux_play_rate (GstAdaptiveDemux *demux);
G_END_DECLS
#endif