Fragment collector for OTA. More...

#include <ota_shim.h>

Inheritance diagram for StreamAbstractionAAMP_OTA:

Collaboration diagram for StreamAbstractionAAMP_OTA:

Public Member Functions
	StreamAbstractionAAMP_OTA (AampLogManager logObj, class PrivateInstanceAAMP aamp, double seekpos, float rate)
	StreamAbstractionAAMP_OTA Constructor.

	~StreamAbstractionAAMP_OTA ()
	StreamAbstractionAAMP_OTA Distructor.

	StreamAbstractionAAMP_OTA (const StreamAbstractionAAMP_OTA &)=delete
	Copy constructor disabled. More...

StreamAbstractionAAMP_OTA &	operator= (const StreamAbstractionAAMP_OTA &)=delete
	assignment operator disabled More...

void	DumpProfiles (void) override
	Stub implementation.

void	Start () override
	Starts streaming.

void	Stop (bool clearChannelData) override
	Stops streaming.

AAMPStatusType	Init (TuneType tuneType) override
	Initialize a newly created object. More...

void	GetStreamFormat (StreamOutputFormat &primaryOutputFormat, StreamOutputFormat &audioOutputFormat, StreamOutputFormat &auxOutputFormat, StreamOutputFormat &subtitleOutputFormat) override
	Get output format of stream. More...

double	GetStreamPosition () override
	Get current stream position. More...

MediaTrack *	GetMediaTrack (TrackType type) override
	Return MediaTrack of requested type. More...

double	GetFirstPTS () override
	Get PTS of first sample. More...

double	GetStartTimeOfFirstPTS () override
	Get Start time PTS of first sample. More...

double	GetBufferedDuration () override
	Get the Buffered time.

bool	IsInitialCachingSupported () override
	Check if initial Caching is supports.

int	GetBWIndex (long bitrate) override
	Get index of profile corresponds to bandwidth. More...

std::vector< long >	GetVideoBitrates (void) override
	To get the available video bitrates. More...

std::vector< long >	GetAudioBitrates (void) override
	To get the available audio bitrates. More...

long	GetMaxBitrate (void) override
	Gets Max Bitrate avialable for current playback. More...

void	StopInjection (void) override
	Stops injecting fragments to StreamSink.

void	StartInjection (void) override
	Start injecting fragments to StreamSink.

void	SeekPosUpdate (double)
	update the Seek position

void	SetVideoRectangle (int x, int y, int w, int h) override
	SetVideoRectangle sets the position coordinates (x,y) & size (w,h) More...

void	SetAudioTrack (int index) override
	SetAudioTrack sets a specific audio track. More...

void	SetAudioTrackByLanguage (const char *lang) override
	SetAudioTrackByLanguage set the audio language. More...

std::vector< AudioTrackInfo > &	GetAvailableAudioTracks (bool allTrack=false) override
	Get the list of available audio tracks. More...

int	GetAudioTrack () override
	Get current audio track. More...

bool	GetCurrentAudioTrack (AudioTrackInfo &audioTrack) override
	Get current audio track. More...

std::vector< TextTrackInfo > &	GetAvailableTextTracks (bool all=false) override
	Get the list of available text tracks. More...

void	SetPreferredAudioLanguages () override
	SetPreferredAudioLanguages set the preferred audio language list.

void	DisableContentRestrictions (long grace, long time, bool eventChange) override
	Disable Restrictions (unlock) till seconds mentioned. More...

void	EnableContentRestrictions () override
	Enable Content Restriction (lock)

std::vector< StreamInfo * >	GetAvailableVideoTracks (void) override
	To get the available video tracks. More...

std::vector< StreamInfo * >	GetAvailableThumbnailTracks (void) override
	To get the available thumbnail tracks. More...

bool	SetThumbnailTrack (int) override
	Function to set thumbnail track for processing. More...

std::vector< ThumbnailData >	GetThumbnailRangeData (double, double, std::string , int , int , int , int *) override
	To get the available thumbnail tracks. More...

virtual bool	Is4KStream (int &height, long &bandwidth) override
	check if current stream have 4K content More...

Public Member Functions inherited from StreamAbstractionAAMP
	StreamAbstractionAAMP (AampLogManager logObj, PrivateInstanceAAMP aamp)
	StreamAbstractionAAMP constructor.

virtual	~StreamAbstractionAAMP ()
	StreamAbstractionAAMP destructor.

	StreamAbstractionAAMP (const StreamAbstractionAAMP &)=delete
	StreamAbstractionAAMP Copy Constructor.

StreamAbstractionAAMP &	operator= (const StreamAbstractionAAMP &)=delete
	StreamAbstractionAAMP assignment operator overloading.

void	WaitForVideoTrackCatchup ()
	Waits audio track injection until caught up with video track. Used internally by injection logic. More...

void	ReassessAndResumeAudioTrack (bool abort)
	Unblock track if caught up with video or downloads are stopped. More...

void	SetTsbBandwidth (long tsbBandwidth)
	When TSB is involved, use this to set bandwidth to be reported. More...

long	GetTsbBandwidth ()
	When TSB is involved, use this to get bandwidth to be reported. More...

void	SetESChangeStatus (void)
	Set elementary stream type change status for reconfigure the pipeline. More...

void	ResetESChangeStatus (void)
	Reset elementary stream type change status once the pipeline reconfigured. More...

bool	GetESChangeStatus (void)
	Get elementary stream type change status for reconfigure the pipeline.. More...

bool	RampDownProfile (long http_error)
	Rampdown profile. More...

void	GetDesiredProfileOnBuffer (int currProfileIndex, int &newProfileIndex)
	Get Desired Profile based on Buffer availability. More...

void	GetDesiredProfileOnSteadyState (int currProfileIndex, int &newProfileIndex, long nwBandwidth)
	Get Desired Profile on steady state. More...

void	ConfigureTimeoutOnBuffer ()
	Configure download timeouts based on buffer. More...

bool	IsLowestProfile (int currentProfileIndex)
	Check whether the current profile is lowest. More...

long	getOriginalCurlError (long http_error)
	Convert custom curl errors to original. More...

bool	CheckForRampDownProfile (long http_error)
	Check for ramdown profile. More...

void	CheckForProfileChange (void)
	Checks and update profile based on bandwidth. More...

int	GetIframeTrack ()
	Get iframe track index. This shall be called only after UpdateIframeTracks() is done. More...

void	UpdateIframeTracks ()
	Update iframe tracks. Subclasses shall invoke this after StreamInfo is populated . More...

double	LastVideoFragParsedTimeMS (void)
	Get the last video fragment parsed time. More...

int	GetDesiredProfile (bool getMidProfile)
	Get the desired profile to start fetching. More...

void	UpdateRampdownProfileReason (void)
	Update rampdown profile on network failure. More...

void	NotifyBitRateUpdate (int profileIndex, const StreamInfo &cacheFragStreamInfo, double position)
	Notify bitrate updates to application. Used internally by injection logic. More...

bool	IsStreamerAtLivePoint ()
	Whether we are playing at live point or not. More...

virtual bool	GetPreferredLiveOffsetFromConfig ()
	Set the offset value Live object. More...

virtual void	NotifyPlaybackPaused (bool paused)
	Function called when playback is paused to update related flags. More...

bool	CheckIfPlayerRunningDry (void)
	Check if player caches are running dry. More...

void	CheckForPlaybackStall (bool fragmentParsed)
	Check if playback has stalled and update related flags. More...

void	NotifyFirstFragmentInjected (void)
	MediaTracks shall call this to notify first fragment is injected. More...

double	GetElapsedTime ()
	Get elapsed time of play-back. More...

virtual double	GetFirstPeriodStartTime ()

virtual double	GetFirstPeriodDynamicStartTime ()

virtual uint32_t	GetCurrPeriodTimeScale ()

bool	CheckForRampDownLimitReached ()
	Check for ramp down limit reached by player. More...

int	GetMaxBWProfile ()
	Get profile index of highest bandwidth. More...

ABRManager &	GetABRManager ()
	Get the ABRManager reference. More...

virtual int	GetProfileCount ()
	Get number of profiles/ representations from subclass. More...

virtual int	GetProfileIndexForBandwidth (long mTsbBandwidth)
	Get profile index for TsbBandwidth. More...

long	GetCurProfIdxBW ()

long	GetVideoBitrate (void)
	Get the bitrate of current video profile selected. More...

long	GetAudioBitrate (void)
	Get the bitrate of current audio profile selected. More...

void	SetVideoBitrate (long bitrate)
	Set a preferred bitrate for video. More...

bool	IsStreamerStalled (void)
	Check if playback stalled in fragment collector side. More...

bool	IsMuxedStream ()
	Check if current stream is muxed. More...

virtual void	NotifyFirstVideoPTS (unsigned long long pts, unsigned long timeScale)
	Receives first video PTS for the current playback. More...

virtual void	StartSubtitleParser ()
	Kicks off subtitle display - sent at start of video presentation. More...

virtual void	PauseSubtitleParser (bool pause)
	Pause/unpause subtitles. More...

void	WaitForAudioTrackCatchup (void)
	Waits subtitle track injection until caught up with muxed/audio track. Used internally by injection logic. More...

void	AbortWaitForAudioTrackCatchup (bool force)
	Unblock subtitle track injector if downloads are stopped. More...

virtual void	SetCDAIObject (CDAIObject *cdaiObj)
	Set Client Side DAI object instance. More...

virtual bool	IsEOSReached ()
	Checks if streamer reached end of stream. More...

double	GetLastInjectedFragmentPosition ()
	Function to returns last injected fragment position. More...

bool	ProcessDiscontinuity (TrackType type)
	Function to process discontinuity. More...

void	AbortWaitForDiscontinuity ()
	Function to abort any wait for discontinuity by injector theads. More...

void	CheckForMediaTrackInjectionStall (TrackType type)
	Function to check if any media tracks are stalled on discontinuity. More...

double	GetBufferedVideoDurationSec ()
	Get buffered video duration in seconds. More...

void	UpdateStreamInfoBitrateData (int profileIndex, StreamInfo &cacheFragStreamInfo)
	Function to update stream info of current fetched fragment. More...

virtual bool	GetCurrentTextTrack (TextTrackInfo &textTrack)
	Get current text track. More...

int	GetTextTrack ()
	Get current text track. More...

void	RefreshSubtitles ()
	Refresh subtitle track. More...

void	MuteSubtitles (bool mute)
	Send a MUTE/UNMUTE packet to the subtitle renderer. More...

void	WaitForVideoTrackCatchupForAux ()

virtual void	ApplyContentRestrictions (std::vector< std::string > restrictions)
	Set Content Restrictions. More...

bool	GetAudioFwdToAuxStatus ()
	Get audio forward to aux pipeline status. More...

void	SetAudioFwdToAuxStatus (bool status)
	Set audio forward to aux pipeline status. More...

virtual void	SetAudioTrackInfoFromMuxedStream (std::vector< AudioTrackInfo > &vector)
	Set AudioTrack info from Muxed stream. More...

void	SetCurrentAudioTrackIndex (std::string &index)
	Set current audio track index. More...

virtual void	ChangeMuxedAudioTrackIndex (std::string &index)
	Change muxed audio track index. More...

virtual void	InitSubtitleParser (char *data)
	Initilaize subtitle parser for sidecar support. More...

virtual void	ResetSubtitle ()
	reset subtitle parser created for sidecar support More...

virtual void	MuteSubtitleOnPause ()
	mute subtitles on pause More...

virtual void	ResumeSubtitleOnPlay (bool mute, char *data)
	resume subtitles on play More...

virtual void	MuteSidecarSubtitles (bool mute)
	mute/unmute sidecar subtitles More...

virtual void	ResumeSubtitleAfterSeek (bool mute, char *data)
	resume subtitles after trickplay More...

virtual bool	SetTextStyle (const std::string &options)
	Set the text style of the subtitle to the options passed. More...

Protected Member Functions
StreamInfo *	GetStreamInfo (int idx) override
	Get stream information of a profile from subclass. More...

Private Member Functions
void	GetAudioTracks ()
	GetAudioTracks get the available audio tracks for the selected service / media. More...

int	GetAudioTrackInternal ()
	GetAudioTrackInternal get the primary key for the selected audio.

void	NotifyAudioTrackChange (const std::vector< AudioTrackInfo > &tracks)
	NotifyAudioTrackChange To notify audio track change.Currently not used as mediaplayer does not have support yet. More...

void	GetTextTracks ()
	GetTextTracks get the available text tracks for the selected service / media. More...

Additional Inherited Members
Data Fields inherited from StreamAbstractionAAMP
PrivateInstanceAAMP *	aamp

AampLogManager *	mLogObj

bool	trickplayMode

int	currentProfileIndex

int	currentAudioProfileIndex

int	currentTextTrackProfileIndex

int	profileIdxForBandwidthNotification

bool	hasDrm

bool	mIsAtLivePoint

bool	mIsPlaybackStalled

bool	mNetworkDownDetected

bool	mCheckForRampdown

TuneType	mTuneType

int	mRampDownCount

double	mProgramStartTime

int	mTsbMaxBitrateProfileIndex

Protected Attributes inherited from StreamAbstractionAAMP
std::vector< AudioTrackInfo >	mAudioTracks

std::vector< AudioTrackInfo >	mAudioTracksAll

std::vector< TextTrackInfo >	mTextTracksAll

std::vector< TextTrackInfo >	mTextTracks

MediaTrackDiscontinuityState	mTrackState

std::string	mAudioTrackIndex

std::string	mTextTrackIndex

bool	mFwdAudioToAux

yes

Fragment collector for OTA.

Definition at line 52 of file ota_shim.h.

Constructor & Destructor Documentation

◆ StreamAbstractionAAMP_OTA()

StreamAbstractionAAMP_OTA::StreamAbstractionAAMP_OTA ( const StreamAbstractionAAMP_OTA & )

delete

Copy constructor disabled.

Member Function Documentation

◆ operator=()

StreamAbstractionAAMP_OTA& StreamAbstractionAAMP_OTA::operator= ( const StreamAbstractionAAMP_OTA & )

delete

assignment operator disabled

◆ Init()

AAMPStatusType StreamAbstractionAAMP_OTA::Init ( TuneType tuneType )

overridevirtual

Initialize a newly created object.

Note: To be implemented by sub classes

Parameters

tuneType to set type of object.

Return values

true	on success
false	on failure

Implements StreamAbstractionAAMP.

Definition at line 303 of file ota_shim.cpp.

◆ GetStreamFormat()

void StreamAbstractionAAMP_OTA::GetStreamFormat	(	StreamOutputFormat &	primaryOutputFormat,
		StreamOutputFormat &	audioOutputFormat,
		StreamOutputFormat &	auxOutputFormat,
		StreamOutputFormat &	subtitleOutputFormat
	)

overridevirtual

Get output format of stream.

Parameters

[out]	primaryOutputFormat	- format of primary track
[out]	audioOutputFormat	- format of audio track
[out]	auxOutputFormat	- format of aux audio track
[out]	subtitleOutputFormat	- format of sutbtile track

Implements StreamAbstractionAAMP.

Definition at line 1020 of file ota_shim.cpp.

◆ GetStreamPosition()

double StreamAbstractionAAMP_OTA::GetStreamPosition ( )

overridevirtual

Get current stream position.

Return values

current position of stream.

Implements StreamAbstractionAAMP.

Definition at line 1039 of file ota_shim.cpp.

◆ GetMediaTrack()

MediaTrack * StreamAbstractionAAMP_OTA::GetMediaTrack ( TrackType type )

overridevirtual

Return MediaTrack of requested type.

Parameters

[in] type - track type

Return values

MediaTrack pointer.

Implements StreamAbstractionAAMP.

Definition at line 1031 of file ota_shim.cpp.

◆ GetFirstPTS()

double StreamAbstractionAAMP_OTA::GetFirstPTS ( )

overridevirtual

Get PTS of first sample.

Return values

PTS	of first sample

Implements StreamAbstractionAAMP.

Definition at line 1055 of file ota_shim.cpp.

◆ GetStartTimeOfFirstPTS()

double StreamAbstractionAAMP_OTA::GetStartTimeOfFirstPTS ( )

overridevirtual

Get Start time PTS of first sample.

Return values

start time of first sample

Implements StreamAbstractionAAMP.

Definition at line 1063 of file ota_shim.cpp.

◆ GetBWIndex()

int StreamAbstractionAAMP_OTA::GetBWIndex ( long bitrate )

overridevirtual

Get index of profile corresponds to bandwidth.

Parameters

[in] bitrate Bitrate to lookup profile

Return values

profile index

Implements StreamAbstractionAAMP.

Definition at line 1087 of file ota_shim.cpp.

◆ GetVideoBitrates()

std::vector< long > StreamAbstractionAAMP_OTA::GetVideoBitrates ( void )

overridevirtual

To get the available video bitrates.

Returns: available video bitrates

Implements StreamAbstractionAAMP.

Definition at line 1095 of file ota_shim.cpp.

◆ GetAudioBitrates()

std::vector< long > StreamAbstractionAAMP_OTA::GetAudioBitrates ( void )

overridevirtual

To get the available audio bitrates.

Returns: available audio bitrates

Implements StreamAbstractionAAMP.

Definition at line 1111 of file ota_shim.cpp.

◆ GetMaxBitrate()

long StreamAbstractionAAMP_OTA::GetMaxBitrate ( void )

overridevirtual

Gets Max Bitrate avialable for current playback.

Returns: long MAX video bitrates

Reimplemented from StreamAbstractionAAMP.

Definition at line 1103 of file ota_shim.cpp.

◆ SetVideoRectangle()

void StreamAbstractionAAMP_OTA::SetVideoRectangle	(	int	x,
		int	y,
		int	w,
		int	h
	)

overridevirtual

SetVideoRectangle sets the position coordinates (x,y) & size (w,h)

Parameters

[in]	x,y	- position coordinates of video rectangle
[in]	wxh	- width & height of video rectangle

Reimplemented from StreamAbstractionAAMP.

Definition at line 529 of file ota_shim.cpp.

◆ SetAudioTrack()

void StreamAbstractionAAMP_OTA::SetAudioTrack ( int index )

overridevirtual

SetAudioTrack sets a specific audio track.

Parameters

[in] Index of the audio track.

Reimplemented from StreamAbstractionAAMP.

Definition at line 809 of file ota_shim.cpp.

◆ SetAudioTrackByLanguage()

void StreamAbstractionAAMP_OTA::SetAudioTrackByLanguage ( const char * lang )

overridevirtual

SetAudioTrackByLanguage set the audio language.

Parameters

[in] lang : Audio Language to be set

Reimplemented from StreamAbstractionAAMP.

Definition at line 692 of file ota_shim.cpp.

◆ GetAvailableAudioTracks()

std::vector< AudioTrackInfo > & StreamAbstractionAAMP_OTA::GetAvailableAudioTracks ( bool allTrack = false )

overridevirtual

Get the list of available audio tracks.

Returns: std::vector<AudioTrackInfo> List of available audio tracks

Reimplemented from StreamAbstractionAAMP.

Definition at line 577 of file ota_shim.cpp.

◆ GetAudioTrack()

int StreamAbstractionAAMP_OTA::GetAudioTrack ( )

overridevirtual

Get current audio track.

Returns: int - index of current audio track

Reimplemented from StreamAbstractionAAMP.

Definition at line 588 of file ota_shim.cpp.

◆ GetCurrentAudioTrack()

bool StreamAbstractionAAMP_OTA::GetCurrentAudioTrack ( AudioTrackInfo & audioTrack )

overridevirtual

Get current audio track.

Returns: int - index of current audio track

Reimplemented from StreamAbstractionAAMP.

Definition at line 610 of file ota_shim.cpp.

◆ GetAvailableTextTracks()

std::vector< TextTrackInfo > & StreamAbstractionAAMP_OTA::GetAvailableTextTracks ( bool all = false )

overridevirtual

Get the list of available text tracks.

Returns: std::vector<TextTrackInfo> List of available text tracks

Reimplemented from StreamAbstractionAAMP.

Definition at line 831 of file ota_shim.cpp.

◆ DisableContentRestrictions()

void StreamAbstractionAAMP_OTA::DisableContentRestrictions	(	long	grace,
		long	time,
		bool	eventChange
	)

overridevirtual

Disable Restrictions (unlock) till seconds mentioned.

Parameters

[in]	grace	- seconds from current time, grace period, grace = -1 will allow an unlimited grace period
[in]	time	- seconds from current time,time till which the channel need to be kept unlocked
[in]	eventChange	- disable restriction handling till next program event boundary

Reimplemented from StreamAbstractionAAMP.

Definition at line 965 of file ota_shim.cpp.

◆ GetAvailableVideoTracks()

std::vector< StreamInfo * > StreamAbstractionAAMP_OTA::GetAvailableVideoTracks ( void )

overridevirtual

To get the available video tracks.

Returns: available video tracks

Implements StreamAbstractionAAMP.

Definition at line 1119 of file ota_shim.cpp.

◆ GetAvailableThumbnailTracks()

std::vector< StreamInfo * > StreamAbstractionAAMP_OTA::GetAvailableThumbnailTracks ( void )

overridevirtual

To get the available thumbnail tracks.

Returns: available thumbnail tracks

Implements StreamAbstractionAAMP.

Definition at line 1127 of file ota_shim.cpp.

◆ SetThumbnailTrack()

bool StreamAbstractionAAMP_OTA::SetThumbnailTrack ( int thumbnailIndex )

overridevirtual

Function to set thumbnail track for processing.

Parameters

thumbnail index value indicating the track to select

Returns: bool true on success.

Implements StreamAbstractionAAMP.

Definition at line 1135 of file ota_shim.cpp.

◆ GetThumbnailRangeData()

std::vector< ThumbnailData > StreamAbstractionAAMP_OTA::GetThumbnailRangeData	(	double	start,
		double	end,
		std::string *	baseurl,
		int *	raw_w,
		int *	raw_h,
		int *	width,
		int *	height
	)

overridevirtual

To get the available thumbnail tracks.

Returns: available thumbnail tracks

Implements StreamAbstractionAAMP.

Definition at line 1144 of file ota_shim.cpp.

◆ Is4KStream()

StreamAbstractionAAMP_OTA::Is4KStream	(	int &	height,
		long &	bandwidth
	)

inlineoverridevirtual

check if current stream have 4K content

Parameters

height	- resolution of 4K stream if found
bandwidth	- bandwidth of 4K stream if foudd

Returns: true on success

Implements StreamAbstractionAAMP.

Definition at line 264 of file ota_shim.h.

◆ GetAudioTracks()

StreamAbstractionAAMP_OTA::GetAudioTracks ( )

private

GetAudioTracks get the available audio tracks for the selected service / media.

Returns: void

Definition at line 727 of file ota_shim.cpp.

◆ NotifyAudioTrackChange()

StreamAbstractionAAMP_OTA::NotifyAudioTrackChange ( const std::vector< AudioTrackInfo > & tracks )

private

NotifyAudioTrackChange To notify audio track change.Currently not used as mediaplayer does not have support yet.

Parameters

[in] tracks - updated audio track info

Definition at line 565 of file ota_shim.cpp.

◆ GetTextTracks()

StreamAbstractionAAMP_OTA::GetTextTracks ( )

private

GetTextTracks get the available text tracks for the selected service / media.

Returns: voi; void

Definition at line 843 of file ota_shim.cpp.

◆ GetStreamInfo()

StreamInfo * StreamAbstractionAAMP_OTA::GetStreamInfo ( int idx )

overrideprotectedvirtual

Get stream information of a profile from subclass.

Parameters

[in] idx - profile index.

Return values

stream information corresponding to index.

Implements StreamAbstractionAAMP.

Definition at line 1047 of file ota_shim.cpp.

The documentation for this class was generated from the following files:

components/generic/aamp/ota_shim.h
components/generic/aamp/ota_shim.cpp
components/generic/aamp/test/utests/fakes/FakeOTA.cpp

Public Member Functions

Protected Member Functions

Private Member Functions

Additional Inherited Members

yes

Constructor & Destructor Documentation

◆ StreamAbstractionAAMP_OTA()

Member Function Documentation

◆ operator=()

◆ Init()

◆ GetStreamFormat()

◆ GetStreamPosition()

◆ GetMediaTrack()

◆ GetFirstPTS()

◆ GetStartTimeOfFirstPTS()

◆ GetBWIndex()

◆ GetVideoBitrates()

◆ GetAudioBitrates()

◆ GetMaxBitrate()

◆ SetVideoRectangle()

◆ SetAudioTrack()

◆ SetAudioTrackByLanguage()

◆ GetAvailableAudioTracks()

◆ GetAudioTrack()

◆ GetCurrentAudioTrack()

◆ GetAvailableTextTracks()

◆ DisableContentRestrictions()

◆ GetAvailableVideoTracks()

◆ GetAvailableThumbnailTracks()

◆ SetThumbnailTrack()

◆ GetThumbnailRangeData()

◆ Is4KStream()

◆ GetAudioTracks()

◆ NotifyAudioTrackChange()

◆ GetTextTracks()

◆ GetStreamInfo()