Gstreamer based player impl for AAMP. More...

#include "AampMemoryUtils.h"
#include "aampgstplayer.h"
#include "AampFnLogger.h"
#include "isobmffbuffer.h"
#include "AampUtils.h"
#include "AampGstUtils.h"
#include <gst/gst.h>
#include <gst/app/gstappsrc.h>
#include <gst/app/gstappsink.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include "priv_aamp.h"
#include <pthread.h>
#include <atomic>

Include dependency graph for aampgstplayer.cpp:

Go to the source code of this file.

Data Structures
struct	media_stream
	Holds stream(Audio, Video, Subtitle and Aux-Audio) specific variables. More...

struct	AAMPGstPlayerPriv
	Holds private variables of AAMPGstPlayer. More...

Macros
#define	GST_ELEMENT_GET_STATE_RETRY_CNT_MAX 5

#define	GSTPLAYERSINKBIN_EVENT_HAVE_VIDEO 0x01

#define	GSTPLAYERSINKBIN_EVENT_HAVE_AUDIO 0x02

#define	GSTPLAYERSINKBIN_EVENT_FIRST_VIDEO_FRAME 0x03

#define	GSTPLAYERSINKBIN_EVENT_FIRST_AUDIO_FRAME 0x04

#define	GSTPLAYERSINKBIN_EVENT_ERROR_VIDEO_UNDERFLOW 0x06

#define	GSTPLAYERSINKBIN_EVENT_ERROR_AUDIO_UNDERFLOW 0x07

#define	GSTPLAYERSINKBIN_EVENT_ERROR_VIDEO_PTS 0x08

#define	GSTPLAYERSINKBIN_EVENT_ERROR_AUDIO_PTS 0x09

#define	DEFAULT_BUFFERING_TO_MS 10

#define	DEFAULT_BUFFERING_QUEUED_FRAMES_MIN (5)

#define	DEFAULT_BUFFERING_MAX_MS (1000)

#define	DEFAULT_BUFFERING_MAX_CNT (DEFAULT_BUFFERING_MAX_MS/DEFAULT_BUFFERING_TO_MS)

#define	AAMP_MIN_PTS_UPDATE_INTERVAL 4000

#define	AAMP_DELAY_BETWEEN_PTS_CHECK_FOR_EOS_ON_UNDERFLOW 500

#define	BUFFERING_TIMEOUT_PRIORITY -70

#define	AAMP_MIN_DECODE_ERROR_INTERVAL 10000

#define	VIDEO_COORDINATES_SIZE 32

Enumerations
enum	GstPlayFlags
	Enum of configuration flags used by playbin. More...

gmapDecoderLoookUptable
Decoder map list lookup table convert from codec to string map list of gstreamer component.
#define	PLUGINS_TO_LOWER_RANK_MAX 2

#define	NO_PLAYBIN 1

#define	ID3_HEADER_SIZE 10

static std::map< std::string, std::vector< std::string > >	gmapDecoderLoookUptable

static const char *	GstPluginNamePR = "aampplayreadydecryptor"

static const char *	GstPluginNameWV = "aampwidevinedecryptor"

static const char *	GstPluginNameCK = "aampclearkeydecryptor"

static const char *	GstPluginNameVMX = "aampverimatrixdecryptor"

const char *	plugins_to_lower_rank [2]

static gboolean	bus_message (GstBus bus, GstMessage msg, AAMPGstPlayer *_this)
	Called from the mainloop when a message is available on the bus. More...

static GstBusSyncReply	bus_sync_handler (GstBus bus, GstMessage msg, AAMPGstPlayer *_this)
	Invoked synchronously when a message is available on the bus. More...

static gboolean	buffering_timeout (gpointer data)
	g_timeout callback to wait for buffering to change pipeline from paused->playing

static void	type_check_instance (const char str, GstElement elem)
	check if elemement is instance (BCOM-3563)

static GstStateChangeReturn	SetStateWithWarnings (GstElement *element, GstState targetState)
	wraps gst_element_set_state and adds log messages where applicable More...

static void	analyze_streams (AAMPGstPlayer *_this)
	Analyze stream info from the GstPipeline. More...

static void	need_data (GstElement source, guint size, AAMPGstPlayer _this)
	Callback for appsrc "need-data" signal. More...

static void	enough_data (GstElement source, AAMPGstPlayer _this)
	Callback for appsrc "enough-data" signal. More...

static gboolean	appsrc_seek (GstAppSrc src, guint64 offset, AAMPGstPlayer _this)
	Callback for appsrc "seek-data" signal. More...

static void	InitializeSource (AAMPGstPlayer _this, GObject source, MediaType mediaType=eMEDIATYPE_VIDEO)
	Initialize properties/callback of appsrc. More...

static void	found_source (GObject object, GObject orig, GParamSpec pspec, AAMPGstPlayer _this)
	Callback when source is added by playbin. More...

static void	httpsoup_source_setup (GstElement element, GstElement source, gpointer data)
	callback when the source has been created More...

static gboolean	IdleCallbackOnFirstFrame (gpointer user_data)
	Idle callback to notify first frame rendered event. More...

static gboolean	IdleCallbackOnEOS (gpointer user_data)
	Idle callback to notify end-of-stream event. More...

static gboolean	ProgressCallbackOnTimeout (gpointer user_data)
	Timer's callback to notify playback progress event. More...

static gboolean	IdleCallback (gpointer user_data)
	Idle callback to start progress notifier timer. More...

static gboolean	IdleCallbackFirstVideoFrameDisplayed (gpointer user_data)
	Idle callback to notify first video frame was displayed. More...

static void	AAMPGstPlayer_OnFirstVideoFrameCallback (GstElement object, guint arg0, gpointer arg1, AAMPGstPlayer _this)
	Callback invoked after first video frame decoded. More...

static void	AAMPGstPlayer_redButtonCallback (GstElement *object, guint hours, guint minutes, guint seconds, gpointer user_data)
	Callback invoked after receiving the SEI Time Code information. More...

static void	AAMPGstPlayer_OnAudioFirstFrameAudDecoder (GstElement object, guint arg0, gpointer arg1, AAMPGstPlayer _this)
	Callback invoked after first audio buffer decoded. More...

bool	AAMPGstPlayer_isVideoDecoder (const char name, AAMPGstPlayer _this)
	Check if gstreamer element is video decoder. More...

bool	AAMPGstPlayer_isVideoSink (const char name, AAMPGstPlayer _this)
	Check if gstreamer element is video sink. More...

bool	AAMPGstPlayer_isAudioSinkOrAudioDecoder (const char name, AAMPGstPlayer _this)
	Check if gstreamer element is audio sink or audio decoder. More...

bool	AAMPGstPlayer_isVideoOrAudioDecoder (const char name, AAMPGstPlayer _this)
	Check if gstreamer element is audio decoder. More...

static gboolean	VideoDecoderPtsCheckerForEOS (gpointer user_data)
	Notifies EOS if video decoder pts is stalled. More...

static void	AAMPGstPlayer_OnGstBufferUnderflowCb (GstElement object, guint arg0, gpointer arg1, AAMPGstPlayer _this)
	Callback invoked when facing an underflow. More...

static void	AAMPGstPlayer_OnGstPtsErrorCb (GstElement object, guint arg0, gpointer arg1, AAMPGstPlayer _this)
	Callback invoked a PTS error is encountered. More...

static void	AAMPGstPlayer_OnGstDecodeErrorCb (GstElement object, guint arg0, gpointer arg1, AAMPGstPlayer _this)
	Callback invoked a Decode error is encountered. More...

static void	AAMPGstPlayer_PlayersinkbinCB (GstElement playersinkbin, gint status, void arg)
	Callback for receiving playersinkbin gstreamer events. More...

static GstElement *	AAMPGstPlayer_GetAppSrc (AAMPGstPlayer *_this, MediaType mediaType)
	Create an appsrc element for a particular format. More...

static int	AAMPGstPlayer_SetupStream (AAMPGstPlayer *_this, MediaType streamId)
	Setup pipeline for a particular stream type. More...

bool	hasId3Header (MediaType mediaType, const uint8_t *data, int32_t length)

uint32_t	getId3TagSize (const uint8_t *data)

static void	AAMPGstPlayer_SignalEOS (GstElement *source)

static std::string	StateText (GstState state, char start, char end, GstState currentState, GstState parentState=GST_STATE_VOID_PENDING)
	Generates a state description for gst target, next and pending state i.e. not current state. More...

static std::string	SafeName (GstElement *element)
	wraps gst_element_get_name handling unnamed elements and resource freeing More...

static std::string	GetStatus (gpointer pElementOrBin, int &recursionCount, gpointer pParent=nullptr)
	returns a string describing pElementOrBin and its children (if any). The top level elements name:state are shown along with any child elements in () separated by , State information is displayed as GST_STATE[GST_STATE_TARGET]{GST_STATE_NEXT}<GST_STATE_PENDING> Target state, next state and pending state are not always shown. Where GST_STATE_CHANGE for the element is not GST_STATE_CHANGE_SUCCESS an additional character is appended to the element name: GST_STATE_CHANGE_FAILURE: "!", GST_STATE_CHANGE_ASYNC:"~", GST_STATE_CHANGE_NO_PREROLL:"*" More...

static void	LogStatus (GstElement *pElementOrBin)

static GstState	validateStateWithMsTimeout (AAMPGstPlayer *_this, GstState stateToValidate, guint msTimeOut)
	Validate pipeline state transition within a max timeout. More...

static void	DumpFile (const char *fileName)
	Dump a file to log.

yes

Gstreamer based player impl for AAMP.

Definition in file aampgstplayer.cpp.

Macro Definition Documentation

◆ DEFAULT_BUFFERING_TO_MS

#define DEFAULT_BUFFERING_TO_MS 10

TimeOut interval to check buffer fullness

Definition at line 86 of file aampgstplayer.cpp.

◆ DEFAULT_BUFFERING_QUEUED_FRAMES_MIN

#define DEFAULT_BUFFERING_QUEUED_FRAMES_MIN (5)

if the video decoder has this many queued frames start.. even at 60fps, close to 100ms...

Definition at line 91 of file aampgstplayer.cpp.

◆ DEFAULT_BUFFERING_MAX_MS

#define DEFAULT_BUFFERING_MAX_MS (1000)

max buffering time

Definition at line 94 of file aampgstplayer.cpp.

◆ DEFAULT_BUFFERING_MAX_CNT

#define DEFAULT_BUFFERING_MAX_CNT (DEFAULT_BUFFERING_MAX_MS/DEFAULT_BUFFERING_TO_MS)

max buffering timeout count

Definition at line 95 of file aampgstplayer.cpp.

◆ AAMP_MIN_PTS_UPDATE_INTERVAL

#define AAMP_MIN_PTS_UPDATE_INTERVAL 4000

Time duration in milliseconds if exceeded and pts has not changed; it is concluded pts is not changing

Definition at line 96 of file aampgstplayer.cpp.

◆ AAMP_DELAY_BETWEEN_PTS_CHECK_FOR_EOS_ON_UNDERFLOW

#define AAMP_DELAY_BETWEEN_PTS_CHECK_FOR_EOS_ON_UNDERFLOW 500

A timeout interval in milliseconds to check pts in case of underflow

Definition at line 97 of file aampgstplayer.cpp.

◆ BUFFERING_TIMEOUT_PRIORITY

#define BUFFERING_TIMEOUT_PRIORITY -70

0 is DEFAULT priority whereas -100 is the HIGH_PRIORITY

Definition at line 98 of file aampgstplayer.cpp.

◆ AAMP_MIN_DECODE_ERROR_INTERVAL

#define AAMP_MIN_DECODE_ERROR_INTERVAL 10000

Minimum time interval in milliseconds between two decoder error CB to send anomaly error

Definition at line 99 of file aampgstplayer.cpp.

◆ PLUGINS_TO_LOWER_RANK_MAX

#define PLUGINS_TO_LOWER_RANK_MAX 2

Header size for ID3v2 header

Definition at line 319 of file aampgstplayer.cpp.

◆ NO_PLAYBIN

#define NO_PLAYBIN 1

Header size for ID3v2 header

Definition at line 2172 of file aampgstplayer.cpp.

◆ ID3_HEADER_SIZE

#define ID3_HEADER_SIZE 10

Header size for ID3v2 header

Definition at line 2561 of file aampgstplayer.cpp.

Enumeration Type Documentation

◆ GstPlayFlags

enum GstPlayFlags

Enum of configuration flags used by playbin.

Enumerator
GST_PLAY_FLAG_VIDEO	value is 0x001
GST_PLAY_FLAG_AUDIO	value is 0x002
GST_PLAY_FLAG_TEXT	value is 0x004
GST_PLAY_FLAG_VIS	value is 0x008
GST_PLAY_FLAG_SOFT_VOLUME	value is 0x010
GST_PLAY_FLAG_NATIVE_AUDIO	value is 0x020
GST_PLAY_FLAG_NATIVE_VIDEO	value is 0x040
GST_PLAY_FLAG_DOWNLOAD	value is 0x080
GST_PLAY_FLAG_BUFFERING	value is 0x100
GST_PLAY_FLAG_DEINTERLACE	value is 0x200
GST_PLAY_FLAG_SOFT_COLORBALANCE	value is 0x400

Definition at line 55 of file aampgstplayer.cpp.

Function Documentation

◆ bus_message()

static gboolean bus_message	(	GstBus *	bus,
		GstMessage *	msg,
		AAMPGstPlayer *	_this
	)

static

Called from the mainloop when a message is available on the bus.

Parameters

[in]	bus	the GstBus that sent the message
[in]	msg	the GstMessage
[in]	_this	pointer to AAMPGstPlayer instance

Return values

FALSE if the event source should be removed.

Definition at line 1302 of file aampgstplayer.cpp.

◆ bus_sync_handler()

static GstBusSyncReply bus_sync_handler	(	GstBus *	bus,
		GstMessage *	msg,
		AAMPGstPlayer *	_this
	)

static

Invoked synchronously when a message is available on the bus.

Parameters

[in]	bus	the GstBus that sent the message
[in]	msg	the GstMessage
[in]	_this	pointer to AAMPGstPlayer instance

Return values

GST_BUS_PASS to pass the message to the async queue

Definition at line 1566 of file aampgstplayer.cpp.

◆ SetStateWithWarnings()

static GstStateChangeReturn SetStateWithWarnings	(	GstElement *	element,
		GstState	targetState
	)

static

wraps gst_element_set_state and adds log messages where applicable

Parameters

[in]	element	the GstElement whose state is to be changed
[in]	targetState	the GstState to apply to element
[in]	_this	pointer to AAMPGstPlayer instance

Return values

Result of the state change (from inner gst_element_set_state())

Definition at line 3423 of file aampgstplayer.cpp.

◆ analyze_streams()

static void analyze_streams ( AAMPGstPlayer * _this )

static

Analyze stream info from the GstPipeline.

Parameters

[in] _this pointer to AAMPGstPlayer instance

Definition at line 509 of file aampgstplayer.cpp.

◆ need_data()

static void need_data	(	GstElement *	source,
		guint	size,
		AAMPGstPlayer *	_this
	)

static

Callback for appsrc "need-data" signal.

Parameters

[in]	source	pointer to appsrc instance triggering "need-data" signal
[in]	size	size of data required
[in]	_this	pointer to AAMPGstPlayer instance associated with the playback

Definition at line 552 of file aampgstplayer.cpp.

◆ enough_data()

static void enough_data	(	GstElement *	source,
		AAMPGstPlayer *	_this
	)

static

Callback for appsrc "enough-data" signal.

Parameters

[in]	source	pointer to appsrc instance triggering "enough-data" signal
[in]	_this	pointer to AAMPGstPlayer instance associated with the playback

Definition at line 578 of file aampgstplayer.cpp.

◆ appsrc_seek()

static gboolean appsrc_seek	(	GstAppSrc *	src,
		guint64	offset,
		AAMPGstPlayer *	_this
	)

static

Callback for appsrc "seek-data" signal.

Parameters

[in]	src	pointer to appsrc instance triggering "seek-data" signal
[in]	offset	seek position offset
[in]	_this	pointer to AAMPGstPlayer instance associated with the playback

Definition at line 608 of file aampgstplayer.cpp.

◆ InitializeSource()

static void InitializeSource	(	AAMPGstPlayer *	_this,
		GObject *	source,
		MediaType	mediaType = `eMEDIATYPE_VIDEO`
	)

static

Initialize properties/callback of appsrc.

Parameters

[in]	_this	pointer to AAMPGstPlayer instance associated with the playback
[in]	source	pointer to appsrc instance to be initialized
[in]	mediaType	stream type

Definition at line 623 of file aampgstplayer.cpp.

◆ found_source()

static void found_source	(	GObject *	object,
		GObject *	orig,
		GParamSpec *	pspec,
		AAMPGstPlayer *	_this
	)

static

Callback when source is added by playbin.

Parameters

[in]	object	a GstObject
[in]	orig	the object that originated the signal
[in]	pspec	the property that changed
[in]	_this	pointer to AAMPGstPlayer instance associated with the playback

Definition at line 672 of file aampgstplayer.cpp.

◆ httpsoup_source_setup()

static void httpsoup_source_setup	(	GstElement *	element,
		GstElement *	source,
		gpointer	data
	)

static

callback when the source has been created

Parameters

[in]	element	is the pipeline
[in]	source	the creation of source triggered this callback
[in]	data	pointer to data associated with the playback

Definition at line 714 of file aampgstplayer.cpp.

◆ IdleCallbackOnFirstFrame()

static gboolean IdleCallbackOnFirstFrame ( gpointer user_data )

static

Idle callback to notify first frame rendered event.

Parameters

[in] user_data pointer to AAMPGstPlayer instance

Return values

G_SOURCE_REMOVE,if the source should be removed

Definition at line 735 of file aampgstplayer.cpp.

◆ IdleCallbackOnEOS()

static gboolean IdleCallbackOnEOS ( gpointer user_data )

static

Idle callback to notify end-of-stream event.

Parameters

[in] user_data pointer to AAMPGstPlayer instance

Return values

G_SOURCE_REMOVE,if the source should be removed

Definition at line 753 of file aampgstplayer.cpp.

◆ ProgressCallbackOnTimeout()

static gboolean ProgressCallbackOnTimeout ( gpointer user_data )

static

Timer's callback to notify playback progress event.

Parameters

[in] user_data pointer to AAMPGstPlayer instance

Return values

G_SOURCE_CONTINUE,this function to be called periodically

Definition at line 773 of file aampgstplayer.cpp.

◆ IdleCallback()

static gboolean IdleCallback ( gpointer user_data )

static

Idle callback to start progress notifier timer.

Parameters

[in] user_data pointer to AAMPGstPlayer instance

Return values

G_SOURCE_REMOVE,if the source should be removed

Definition at line 790 of file aampgstplayer.cpp.

◆ IdleCallbackFirstVideoFrameDisplayed()

static gboolean IdleCallbackFirstVideoFrameDisplayed ( gpointer user_data )

static

Idle callback to notify first video frame was displayed.

Parameters

[in] user_data pointer to AAMPGstPlayer instance

Return values

G_SOURCE_REMOVE,if the source should be removed

Definition at line 822 of file aampgstplayer.cpp.

◆ AAMPGstPlayer_OnFirstVideoFrameCallback()

static void AAMPGstPlayer_OnFirstVideoFrameCallback	(	GstElement *	object,
		guint	arg0,
		gpointer	arg1,
		AAMPGstPlayer *	_this
	)

static

Callback invoked after first video frame decoded.

Parameters

[in]	object	pointer to element raising the callback
[in]	arg0	number of arguments
[in]	arg1	array of arguments
[in]	_this	pointer to AAMPGstPlayer instance

Definition at line 921 of file aampgstplayer.cpp.

◆ AAMPGstPlayer_redButtonCallback()

static void AAMPGstPlayer_redButtonCallback	(	GstElement *	object,
		guint	hours,
		guint	minutes,
		guint	seconds,
		gpointer	user_data
	)

static

Callback invoked after receiving the SEI Time Code information.

Parameters

[in]	object	pointer to element raising the callback
[in]	hours	Hour value of the SEI Timecode
[in]	minutes	Minute value of the SEI Timecode
[in]	seconds	Second value of the SEI Timecode
[in]	user_data	pointer to AAMPGstPlayer instance

Definition at line 938 of file aampgstplayer.cpp.

◆ AAMPGstPlayer_OnAudioFirstFrameAudDecoder()

static void AAMPGstPlayer_OnAudioFirstFrameAudDecoder	(	GstElement *	object,
		guint	arg0,
		gpointer	arg1,
		AAMPGstPlayer *	_this
	)

static

Callback invoked after first audio buffer decoded.

Parameters

[in]	object	pointer to element raising the callback
[in]	arg0	number of arguments
[in]	arg1	array of arguments
[in]	_this	pointer to AAMPGstPlayer instance

Definition at line 956 of file aampgstplayer.cpp.

◆ AAMPGstPlayer_isVideoDecoder()

bool AAMPGstPlayer_isVideoDecoder	(	const char *	name,
		AAMPGstPlayer *	_this
	)

Check if gstreamer element is video decoder.

Parameters

[in]	name	Name of the element
[in]	_this	pointer to AAMPGstPlayer instance

Return values

TRUE	if element name is that of the decoder

Definition at line 969 of file aampgstplayer.cpp.

◆ AAMPGstPlayer_isVideoSink()

bool AAMPGstPlayer_isVideoSink	(	const char *	name,
		AAMPGstPlayer *	_this
	)

Check if gstreamer element is video sink.

Parameters

[in]	name	Name of the element
[in]	_this	pointer to AAMPGstPlayer instance

Return values

TRUE	if element name is that of video sink

Definition at line 985 of file aampgstplayer.cpp.

◆ AAMPGstPlayer_isAudioSinkOrAudioDecoder()

bool AAMPGstPlayer_isAudioSinkOrAudioDecoder	(	const char *	name,
		AAMPGstPlayer *	_this
	)

Check if gstreamer element is audio sink or audio decoder.

Parameters

[in]	name	Name of the element
[in]	_this	pointer to AAMPGstPlayer instance

Return values

TRUE	if element name is that of audio sink or audio decoder

Definition at line 1001 of file aampgstplayer.cpp.

◆ AAMPGstPlayer_isVideoOrAudioDecoder()

bool AAMPGstPlayer_isVideoOrAudioDecoder	(	const char *	name,
		AAMPGstPlayer *	_this
	)

Check if gstreamer element is audio decoder.

Parameters

[in]	name	Name of the element
[in]	_this	pointer to AAMPGstPlayer instance

Return values

TRUE	if element name is that of audio or video decoder

Definition at line 1018 of file aampgstplayer.cpp.

◆ VideoDecoderPtsCheckerForEOS()

static gboolean VideoDecoderPtsCheckerForEOS ( gpointer user_data )

static

Notifies EOS if video decoder pts is stalled.

Parameters

[in] user_data pointer to AAMPGstPlayer instance

Return values

G_SOURCE_REMOVE,if the source should be removed

Definition at line 1055 of file aampgstplayer.cpp.

◆ AAMPGstPlayer_OnGstBufferUnderflowCb()

static void AAMPGstPlayer_OnGstBufferUnderflowCb	(	GstElement *	object,
		guint	arg0,
		gpointer	arg1,
		AAMPGstPlayer *	_this
	)

static

Callback invoked when facing an underflow.

Parameters

[in]	object	pointer to element raising the callback
[in]	arg0	number of arguments
[in]	arg1	array of arguments
[in]	_this	pointer to AAMPGstPlayer instance

Definition at line 1136 of file aampgstplayer.cpp.

◆ AAMPGstPlayer_OnGstPtsErrorCb()

static void AAMPGstPlayer_OnGstPtsErrorCb	(	GstElement *	object,
		guint	arg0,
		gpointer	arg1,
		AAMPGstPlayer *	_this
	)

static

Callback invoked a PTS error is encountered.

Parameters

[in]	object	pointer to element raising the callback
[in]	arg0	number of arguments
[in]	arg1	array of arguments
[in]	_this	pointer to AAMPGstPlayer instance

Definition at line 1199 of file aampgstplayer.cpp.

◆ AAMPGstPlayer_OnGstDecodeErrorCb()

static void AAMPGstPlayer_OnGstDecodeErrorCb	(	GstElement *	object,
		guint	arg0,
		gpointer	arg1,
		AAMPGstPlayer *	_this
	)

static

Callback invoked a Decode error is encountered.

Parameters

[in]	object	pointer to element raising the callback
[in]	arg0	number of arguments
[in]	arg1	array of arguments
[in]	_this	pointer to AAMPGstPlayer instance

Definition at line 1224 of file aampgstplayer.cpp.

◆ AAMPGstPlayer_PlayersinkbinCB()

static void AAMPGstPlayer_PlayersinkbinCB	(	GstElement *	playersinkbin,
		gint	status,
		void *	arg
	)

static

Callback for receiving playersinkbin gstreamer events.

Parameters

[in]	playersinkbin	instance of playersinkbin
[in]	status	event name
[in]	arg	user data (pointer to AAMPGstPlayer instance)

Definition at line 2020 of file aampgstplayer.cpp.

◆ AAMPGstPlayer_GetAppSrc()

static GstElement* AAMPGstPlayer_GetAppSrc	(	AAMPGstPlayer *	_this,
		MediaType	mediaType
	)

static

Create an appsrc element for a particular format.

Parameters

[in]	_this	pointer to AAMPGstPlayer instance
[in]	mediaType	media type

Return values

pointer to appsrc instance

Definition at line 2068 of file aampgstplayer.cpp.

◆ AAMPGstPlayer_SetupStream()

static int AAMPGstPlayer_SetupStream	(	AAMPGstPlayer *	_this,
		MediaType	streamId
	)

static

Setup pipeline for a particular stream type.

Parameters

[in]	_this	pointer to AAMPGstPlayer instance
[in]	streamId	stream type

Return values

0,if	setup successfully. -1, for failure

Definition at line 2179 of file aampgstplayer.cpp.

◆ hasId3Header()

bool hasId3Header	(	MediaType	mediaType,
		const uint8_t *	data,
		int32_t	length
	)

Header size for ID3v2 header

Definition at line 2545 of file aampgstplayer.cpp.

◆ getId3TagSize()

uint32_t getId3TagSize ( const uint8_t * data )

Header size for ID3v2 header

Definition at line 2569 of file aampgstplayer.cpp.

◆ AAMPGstPlayer_SignalEOS()

static void AAMPGstPlayer_SignalEOS ( GstElement * source )

static

Header size for ID3v2 header

Definition at line 3011 of file aampgstplayer.cpp.

◆ StateText()

static std::string StateText	(	GstState	state,
		char	start,
		char	end,
		GstState	currentState,
		GstState	parentState = `GST_STATE_VOID_PENDING`
	)

static

Generates a state description for gst target, next and pending state i.e. not current state.

Parameters

[in]	state	- the state of the current element
[in]	start	- a char to place before the state text e.g. on open bracket
[in]	end	- a char to place after the state text e.g. a close bracket
[in]	currentState	- the current state from the same element as 'state'
[in]	parentState	- the state of the parent, if there is one

Returns: - "" unless state is 'interesting' otherwise start state description end e.g. {GST_STATE_READY}

Definition at line 3178 of file aampgstplayer.cpp.

◆ SafeName()

static std::string SafeName ( GstElement * element )

static

wraps gst_element_get_name handling unnamed elements and resource freeing

Parameters

[in] element a GstElement

Return values

The	name of element or "unnamed element" as a std::string

Definition at line 3198 of file aampgstplayer.cpp.

◆ GetStatus()

static std::string GetStatus	(	gpointer	pElementOrBin,
		int &	recursionCount,
		gpointer	pParent = `nullptr`
	)

static

returns a string describing pElementOrBin and its children (if any). The top level elements name:state are shown along with any child elements in () separated by , State information is displayed as GST_STATE[GST_STATE_TARGET]{GST_STATE_NEXT}<GST_STATE_PENDING> Target state, next state and pending state are not always shown. Where GST_STATE_CHANGE for the element is not GST_STATE_CHANGE_SUCCESS an additional character is appended to the element name: GST_STATE_CHANGE_FAILURE: "!", GST_STATE_CHANGE_ASYNC:"~", GST_STATE_CHANGE_NO_PREROLL:"*"

Parameters

[in]	pElementOrBin	- pointer to a gst element or bin
[in]	pParent	- parent (optional)
	recursionCount	- variable shared with self calls to limit recursion depth

Returns: - description string

Definition at line 3226 of file aampgstplayer.cpp.

◆ LogStatus()

static void LogStatus ( GstElement * pElementOrBin )

static

Header size for ID3v2 header

Definition at line 3317 of file aampgstplayer.cpp.

◆ validateStateWithMsTimeout()

static GstState validateStateWithMsTimeout	(	AAMPGstPlayer *	_this,
		GstState	stateToValidate,
		guint	msTimeOut
	)

static

Validate pipeline state transition within a max timeout.

Parameters

[in]	_this	pointer to AAMPGstPlayer instance
[in]	stateToValidate	state to be validated
[in]	msTimeOut	max timeout in MS

Return values

Current pipeline state

Definition at line 3389 of file aampgstplayer.cpp.

Variable Documentation

◆ gmapDecoderLoookUptable

std::map<std::string, std::vector<std::string> > gmapDecoderLoookUptable

static

Initial value:

= 
{
        {"ac-3", {"omxac3dec", "avdec_ac3", "avdec_ac3_fixed"}},
        {"ac-4", {"omxac4dec"}}
}

Header size for ID3v2 header

Definition at line 109 of file aampgstplayer.cpp.

◆ GstPluginNamePR

const char* GstPluginNamePR = "aampplayreadydecryptor"

static

Header size for ID3v2 header

Definition at line 274 of file aampgstplayer.cpp.

◆ GstPluginNameWV

const char* GstPluginNameWV = "aampwidevinedecryptor"

static

Header size for ID3v2 header

Definition at line 275 of file aampgstplayer.cpp.

◆ GstPluginNameCK

const char* GstPluginNameCK = "aampclearkeydecryptor"

static

Header size for ID3v2 header

Definition at line 276 of file aampgstplayer.cpp.

◆ GstPluginNameVMX

const char* GstPluginNameVMX = "aampverimatrixdecryptor"

static

Header size for ID3v2 header

Definition at line 277 of file aampgstplayer.cpp.

◆ plugins_to_lower_rank

const char* plugins_to_lower_rank[2]

Initial value:

= {
        "aacparse",
        "ac3parse",
}

Header size for ID3v2 header

Definition at line 320 of file aampgstplayer.cpp.

Data Structures

Macros

Enumerations

gmapDecoderLoookUptable

yes

Macro Definition Documentation

◆ DEFAULT_BUFFERING_TO_MS

◆ DEFAULT_BUFFERING_QUEUED_FRAMES_MIN

◆ DEFAULT_BUFFERING_MAX_MS

◆ DEFAULT_BUFFERING_MAX_CNT

◆ AAMP_MIN_PTS_UPDATE_INTERVAL

◆ AAMP_DELAY_BETWEEN_PTS_CHECK_FOR_EOS_ON_UNDERFLOW

◆ BUFFERING_TIMEOUT_PRIORITY

◆ AAMP_MIN_DECODE_ERROR_INTERVAL

◆ PLUGINS_TO_LOWER_RANK_MAX

◆ NO_PLAYBIN

◆ ID3_HEADER_SIZE

Enumeration Type Documentation

◆ GstPlayFlags

Function Documentation

◆ bus_message()

◆ bus_sync_handler()

◆ SetStateWithWarnings()

◆ analyze_streams()

◆ need_data()

◆ enough_data()

◆ appsrc_seek()

◆ InitializeSource()

◆ found_source()

◆ httpsoup_source_setup()

◆ IdleCallbackOnFirstFrame()

◆ IdleCallbackOnEOS()

◆ ProgressCallbackOnTimeout()

◆ IdleCallback()

◆ IdleCallbackFirstVideoFrameDisplayed()

◆ AAMPGstPlayer_OnFirstVideoFrameCallback()

◆ AAMPGstPlayer_redButtonCallback()

◆ AAMPGstPlayer_OnAudioFirstFrameAudDecoder()

◆ AAMPGstPlayer_isVideoDecoder()

◆ AAMPGstPlayer_isVideoSink()

◆ AAMPGstPlayer_isAudioSinkOrAudioDecoder()

◆ AAMPGstPlayer_isVideoOrAudioDecoder()

◆ VideoDecoderPtsCheckerForEOS()

◆ AAMPGstPlayer_OnGstBufferUnderflowCb()

◆ AAMPGstPlayer_OnGstPtsErrorCb()

◆ AAMPGstPlayer_OnGstDecodeErrorCb()

◆ AAMPGstPlayer_PlayersinkbinCB()

◆ AAMPGstPlayer_GetAppSrc()

◆ AAMPGstPlayer_SetupStream()

◆ hasId3Header()

◆ getId3TagSize()

◆ AAMPGstPlayer_SignalEOS()

◆ StateText()

◆ SafeName()

◆ GetStatus()

◆ LogStatus()

◆ validateStateWithMsTimeout()

Variable Documentation

◆ gmapDecoderLoookUptable

◆ GstPluginNamePR

◆ GstPluginNameWV

◆ GstPluginNameCK

◆ GstPluginNameVMX

◆ plugins_to_lower_rank