#include <GstVideoReceiver.h>

Inheritance diagram for GstVideoReceiver:

Collaboration diagram for GstVideoReceiver:

Public Slots
void	start (uint32_t timeout) override

void	stop () override

void	startDecoding (void *sink) override

void	stopDecoding () override

void	startRecording (const QString &videoFile, FILE_FORMAT format) override

void	stopRecording () override

void	takeScreenshot (const QString &imageFile) override

Q_INVOKABLE void	dumpPipelineGraph (const QString &tag=QStringLiteral("manual"))

Public Slots inherited from VideoReceiver
virtual void	start (uint32_t timeout)=0

virtual void	stop ()=0

virtual void	startDecoding (VideoSinkHandle sink)=0

virtual void	stopDecoding ()=0

virtual void	startRecording (const QString &videoFile, FILE_FORMAT format)=0

virtual void	stopRecording ()=0

virtual void	takeScreenshot (const QString &imageFile)=0

Signals
void	decoderStatsChanged ()

Signals inherited from VideoReceiver
void	timeout ()

void	streamingChanged (bool active)

void	decodingChanged (bool active)

void	recordingChanged (bool active)

void	recordingStarted (const QString &filename)

void	videoSizeChanged (QSize size)

void	sinkChanged (VideoSinkHandle sink)

void	nameChanged (const QString &name)

void	uriChanged (const QString &uri)

void	startedChanged (bool started)

void	lowLatencyChanged (bool lowLatency)

void	rtpJitterLatencyMsChanged (int ms)

void	autoReconnectChanged (bool enabled)

void	videoStreamInfoChanged ()

void	widgetChanged (QQuickItem *widget)

void	onStartComplete (STATUS status)

void	onStopComplete (STATUS status)

void	onStartDecodingComplete (STATUS status)

void	onStopDecodingComplete (STATUS status)

void	onStartRecordingComplete (STATUS status)

void	onStopRecordingComplete (STATUS status)

void	onTakeScreenshotComplete (STATUS status)

Public Member Functions
	GstVideoReceiver (QObject *parent=nullptr)

	~GstVideoReceiver ()

QString	decoderName () const

quint64	processedFrames () const

quint64	droppedFrames () const

qint64	currentJitterNs () const

double	qosProportion () const

int	qosQuality () const

Public Member Functions inherited from VideoReceiver
	VideoReceiver (QObject *parent=nullptr)

bool	isThermal () const

VideoSinkHandle	sink () const

QQuickItem *	widget ()

QString	name () const

QString	uri () const

bool	started () const

bool	lowLatency () const

int	rtpJitterLatencyMs () const

bool	autoReconnect () const

QGCVideoStreamInfo *	videoStreamInfo ()

QString	recordingOutput () const

virtual void	setSink (VideoSinkHandle sink)

virtual void	setWidget (QQuickItem *widget)

void	setName (const QString &name)

void	setUri (const QString &uri)

void	setStarted (bool started)

void	setLowLatency (bool lowLatency)

void	setRtpJitterLatencyMs (int ms)

void	setAutoReconnect (bool enabled)

void	setVideoStreamInfo (QGCVideoStreamInfo *videoStreamInfo)

Additional Inherited Members
Public Types inherited from VideoReceiver
enum	FILE_FORMAT { FILE_FORMAT_MIN = 0 , FILE_FORMAT_MKV = FILE_FORMAT_MIN , FILE_FORMAT_MOV , FILE_FORMAT_MP4 , FILE_FORMAT_MAX = FILE_FORMAT_MP4 }

enum	STATUS { STATUS_MIN = 0 , STATUS_OK = STATUS_MIN , STATUS_FAIL , STATUS_INVALID_STATE , STATUS_INVALID_URL , STATUS_NOT_IMPLEMENTED , STATUS_MAX = STATUS_NOT_IMPLEMENTED }

using	VideoSinkHandle = void *
	Backend-specific decoded-frame sink.

Static Public Member Functions inherited from VideoReceiver
static bool	isValidFileFormat (FILE_FORMAT format)

static bool	isValidStatus (STATUS status)

Protected Attributes inherited from VideoReceiver
VideoSinkHandle	_sink = nullptr

QQuickItem *	_widget = nullptr

QGCVideoStreamInfo *	_videoStreamInfo = nullptr

QString	_name

QString	_uri

bool	_started = false

std::atomic< bool >	_decoding = false

bool	_recording = false

bool	_streaming = false

bool	_lowLatency = false

int	_rtpJitterLatencyMs = 80

std::atomic< bool >	_autoReconnect = true
	RTSP/UDP auto-reconnect with exponential backoff on watchdog/error.

bool	_resetVideoSink = false

bool	_endOfStream = false

bool	_removingDecoder = false

bool	_removingRecorder = false

int	_buffer = 0

std::atomic< qint64 >	_lastSourceFrameTime = 0

std::atomic< qint64 >	_lastVideoFrameTime = 0

int	_statsTickCounter = 0

QTimer	_watchdogTimer

uint32_t	_timeout = 0

QString	_recordingOutput

Detailed Description

Definition at line 45 of file GstVideoReceiver.h.

Constructor & Destructor Documentation

◆ GstVideoReceiver()

GstVideoReceiver::GstVideoReceiver ( QObject * parent = nullptr )

explicit

Definition at line 62 of file GstVideoReceiver.cc.

References VideoReceiver::_watchdogTimer.

◆ ~GstVideoReceiver()

GstVideoReceiver::~GstVideoReceiver ( )

Definition at line 72 of file GstVideoReceiver.cc.

References GstVideoWorker::shutdown(), and stop().

Member Function Documentation

◆ currentJitterNs()

qint64 GstVideoReceiver::currentJitterNs ( ) const

inline

Definition at line 62 of file GstVideoReceiver.h.

◆ decoderName()

QString GstVideoReceiver::decoderName ( ) const

inline

Definition at line 59 of file GstVideoReceiver.h.

◆ decoderStatsChanged

void GstVideoReceiver::decoderStatsChanged ( )

signal

◆ droppedFrames()

quint64 GstVideoReceiver::droppedFrames ( ) const

inline

Definition at line 61 of file GstVideoReceiver.h.

◆ dumpPipelineGraph

void GstVideoReceiver::dumpPipelineGraph ( const QString & tag = QStringLiteral("manual") )

slot

Dump the current pipeline graph to GST_DEBUG_DUMP_DOT_DIR (if set) plus CacheLocation/qgc-pipeline-dot for field-bug-report bundles. No-op when the pipeline isn't running. Callable from QML for a debug menu.

Definition at line 747 of file GstVideoReceiver.cc.

References GstVideoWorker::dispatch(), and GStreamer::writePipelineDot().