QFFmpeg Namespace Reference

Classes
class	AudioEncoder
class	AudioRenderer
class	AudioSourceIO
struct	AVDeleter
struct	AVDictionaryHolder
struct	AVFormatContextDeleter
class	Clock
class	ClockController
class	Codec
class	Demuxer
class	Encoder
class	EncoderThread
class	EncodingFinalizer
struct	Frame
class	HWAccel
struct	LoopOffset
class	MediaCodecTextureConverter
class	MediaCodecTextureSet
class	MediaDataHolder
class	Muxer
struct	Packet
class	PlaybackEngine
class	PlaybackEngineObject
struct	PositionWithOffset
class	Renderer
class	Resampler
class	StreamDecoder
class	SubtitleRenderer
class	TextureConverter
class	TextureConverterBackend
class	TextureSet
class	Thread
class	TimeController
class	VAAPITextureSet
class	VideoEncoder
class	VideoFrameEncoder
class	VideoRenderer

Typedefs
using	StreamIndexes = std::array< int, 3 >
using	AVFrameUPtr = std::unique_ptr< AVFrame, AVDeleter< decltype(&av_frame_free), &av_frame_free > >
using	AVPacketUPtr = std::unique_ptr< AVPacket, AVDeleter< decltype(&av_packet_free), &av_packet_free > >
using	AVCodecContextUPtr = std::unique_ptr< AVCodecContext, AVDeleter< decltype(&avcodec_free_context), &avcodec_free_context > >
using	AVBufferUPtr = std::unique_ptr< AVBufferRef, AVDeleter< decltype(&av_buffer_unref), &av_buffer_unref > >
using	AVHWFramesConstraintsUPtr = std::unique_ptr< AVHWFramesConstraints, AVDeleter< decltype(&av_hwframe_constraints_free), &av_hwframe_constraints_free > >
using	PixelOrSampleFormat = int
using	AVScore = int
using	ApplyOptions = void(*)(const QMediaEncoderSettings &settings, AVCodecContext *codec, AVDictionary **opts)

Functions
static	Q_LOGGING_CATEGORY (qLcDemuxer, "qt.multimedia.ffmpeg.demuxer")
static qint64	streamTimeToUs (const AVStream *stream, qint64 time)
static	Q_LOGGING_CATEGORY (qLcRenderer, "qt.multimedia.ffmpeg.renderer")
const AVCodec *	findAVDecoder (AVCodecID codecId, const std::optional< AVHWDeviceType > &deviceType, const std::optional< PixelOrSampleFormat > &format)
const AVCodec *	findAVEncoder (AVCodecID codecId, const std::optional< AVHWDeviceType > &deviceType, const std::optional< PixelOrSampleFormat > &format)
const AVCodec *	findAVEncoder (AVCodecID codecId, const std::function< AVScore(const AVCodec *)> &scoresGetter)
bool	isAVFormatSupported (const AVCodec *codec, PixelOrSampleFormat format)
bool	isHwPixelFormat (AVPixelFormat format)
AVPixelFormat	pixelFormatForHwDevice (AVHWDeviceType deviceType)
std::optional< qint64 >	mul (qint64 a, AVRational b)
std::optional< qreal >	mul (qreal a, AVRational b)
std::optional< qint64 >	timeStampMs (qint64 ts, AVRational base)
std::optional< qint64 >	timeStampUs (qint64 ts, AVRational base)
std::optional< float >	toFloat (AVRational r)
QString	err2str (int errnum)
void	setAVFrameTime (AVFrame &frame, int64_t pts, const AVRational &timeBase)
void	getAVFrameTime (const AVFrame &frame, int64_t &pts, AVRational &timeBase)
int64_t	getAVFrameDuration (const AVFrame &frame)
AVFrameUPtr	makeAVFrame ()
template<typename Format >
bool	hasAVFormat (const Format *fmts, Format format)
template<typename Format , typename Predicate >
Format	findAVFormat (const Format *fmts, const Predicate &predicate)
template<typename Format , typename CalculateScore >
std::pair< Format, AVScore >	findBestAVFormat (const Format *fmts, const CalculateScore &calculateScore)
bool	isSwPixelFormat (AVPixelFormat format)
void	applyVideoEncoderOptions (const QMediaEncoderSettings &settings, const QByteArray &codecName, AVCodecContext *codec, AVDictionary **opts)
void	applyAudioEncoderOptions (const QMediaEncoderSettings &settings, const QByteArray &codecName, AVCodecContext *codec, AVDictionary **opts)
static std::vector< AVHWDeviceType >	deviceTypes (const char *envVarName)
static AVBufferRef *	loadHWContext (const AVHWDeviceType type)
template<typename CodecFinder >
std::pair< const AVCodec *, std::unique_ptr< HWAccel > >	findCodecWithHwAccel (AVCodecID id, const std::vector< AVHWDeviceType > &deviceTypes, CodecFinder codecFinder, const std::function< bool(const HWAccel &)> &hwAccelPredicate)
static bool	isNoConversionFormat (AVPixelFormat f)
AVPixelFormat	getFormat (AVCodecContext *codecContext, const AVPixelFormat *suggestedFormats)
	Q_GLOBAL_STATIC (AndroidSurfaceTexture, androidSurfaceTexture, 0)
enum AVPixelFormat	getFormat (struct AVCodecContext *s, const enum AVPixelFormat *fmt)
static const quint32 *	fourccFromPixelFormat (const QVideoFrameFormat::PixelFormat format)
static	Q_LOGGING_CATEGORY (qLcPlaybackEngine, "qt.multimedia.ffmpeg.playbackengine")
template<typename Array >
Array	defaultObjectsArray ()
static AVScore	calculateTargetSwFormatScore (const AVPixFmtDescriptor *sourceSwFormatDesc, AVPixelFormat fmt)
static AVScore	calculateTargetFormatScore (const HWAccel *accel, AVPixelFormat sourceFormat, const AVPixFmtDescriptor *sourceSwFormatDesc, AVPixelFormat fmt)
static auto	targetFormatScoreCalculator (const HWAccel *accel, AVPixelFormat sourceFormat, AVPixelFormat sourceSWFormat)
AVPixelFormat	findTargetSWFormat (AVPixelFormat sourceSWFormat, const HWAccel &accel)
AVPixelFormat	findTargetFormat (AVPixelFormat sourceFormat, AVPixelFormat sourceSWFormat, const AVCodec *codec, const HWAccel *accel)
std::pair< const AVCodec *, std::unique_ptr< HWAccel > >	findHwEncoder (AVCodecID codecID, const QSize &sourceSize)
const AVCodec *	findSwEncoder (AVCodecID codecID, AVPixelFormat sourceFormat, AVPixelFormat sourceSWFormat)

Variables
static std::atomic< PlaybackEngineObject::Id >	PersistentId = 0
constexpr AVScore	BestAVScore = std::numeric_limits<AVScore>::max()
constexpr AVScore	DefaultAVScore = 0
constexpr AVScore	NotSuitableAVScore = std::numeric_limits<AVScore>::min()
constexpr AVScore	MinAVScore = NotSuitableAVScore + 1
struct {
const char *   QFFmpeg::name
ApplyOptions   QFFmpeg::apply
}	videoCodecOptionTable []
struct {
const char *   QFFmpeg::name
ApplyOptions   QFFmpeg::apply
}	audioCodecOptionTable []
static const std::initializer_list< AVHWDeviceType >	preferredHardwareAccelerators
static constexpr bool	shouldPauseStreams = false

Typedef Documentation

ApplyOptions

using QFFmpeg::ApplyOptions = typedef void (*)(const QMediaEncoderSettings &settings, AVCodecContext *codec, AVDictionary **opts)

Definition at line 259 of file qffmpegencoderoptions.cpp.

AVBufferUPtr

using QFFmpeg::AVBufferUPtr = typedef std::unique_ptr<AVBufferRef, AVDeleter<decltype(&av_buffer_unref), &av_buffer_unref> >

Definition at line 131 of file qffmpeg_p.h.

AVCodecContextUPtr

using QFFmpeg::AVCodecContextUPtr = typedef std::unique_ptr<AVCodecContext, AVDeleter<decltype(&avcodec_free_context), &avcodec_free_context> >

Definition at line 127 of file qffmpeg_p.h.

AVFrameUPtr

using QFFmpeg::AVFrameUPtr = typedef std::unique_ptr<AVFrame, AVDeleter<decltype(&av_frame_free), &av_frame_free> >

Definition at line 117 of file qffmpeg_p.h.

AVHWFramesConstraintsUPtr

using QFFmpeg::AVHWFramesConstraintsUPtr = typedef std::unique_ptr< AVHWFramesConstraints, AVDeleter<decltype(&av_hwframe_constraints_free), &av_hwframe_constraints_free> >

Definition at line 134 of file qffmpeg_p.h.

AVPacketUPtr

using QFFmpeg::AVPacketUPtr = typedef std::unique_ptr<AVPacket, AVDeleter<decltype(&av_packet_free), &av_packet_free> >

Definition at line 124 of file qffmpeg_p.h.

AVScore

using QFFmpeg::AVScore = typedef int

Definition at line 139 of file qffmpeg_p.h.

PixelOrSampleFormat

using QFFmpeg::PixelOrSampleFormat = typedef int

Definition at line 138 of file qffmpeg_p.h.

StreamIndexes

using QFFmpeg::StreamIndexes = typedef std::array<int, 3>

Definition at line 30 of file qffmpegplaybackenginedefs_p.h.

Function Documentation

applyAudioEncoderOptions()

void QFFmpeg::applyAudioEncoderOptions	(	const QMediaEncoderSettings &	settings,
		const QByteArray &	codecName,
		AVCodecContext *	codec,
		AVDictionary **	opts
	)

Definition at line 316 of file qffmpegencoderoptions.cpp.

References audioCodecOptionTable, QMediaRecorder::AverageBitRateEncoding, codec, QMediaRecorder::ConstantBitRateEncoding, and settings.

Referenced by Q_LOGGING_CATEGORY().

Here is the caller graph for this function:

applyVideoEncoderOptions()

void QFFmpeg::applyVideoEncoderOptions	(	const QMediaEncoderSettings &	settings,
		const QByteArray &	codecName,
		AVCodecContext *	codec,
		AVDictionary **	opts
	)

Definition at line 301 of file qffmpegencoderoptions.cpp.

References codec, settings, and videoCodecOptionTable.

Referenced by Q_LOGGING_CATEGORY().

Here is the caller graph for this function:

calculateTargetFormatScore()

static AVScore QFFmpeg::calculateTargetFormatScore ( const HWAccel *  accel, AVPixelFormat  sourceFormat, const AVPixFmtDescriptor *  sourceSwFormatDesc, AVPixelFormat  fmt  )

static

Definition at line 56 of file qffmpegvideoencoderutils.cpp.

References BestAVScore, calculateTargetSwFormatScore(), fmt, QFFmpeg::HWAccel::hwFormat(), isHwPixelFormat(), and NotSuitableAVScore.

Referenced by targetFormatScoreCalculator().

Here is the call graph for this function:

Here is the caller graph for this function:

calculateTargetSwFormatScore()

static AVScore QFFmpeg::calculateTargetSwFormatScore ( const AVPixFmtDescriptor *  sourceSwFormatDesc, AVPixelFormat  fmt  )

static

Definition at line 14 of file qffmpegvideoencoderutils.cpp.

References DefaultAVScore, desc, fmt, and NotSuitableAVScore.

Referenced by calculateTargetFormatScore().

Here is the caller graph for this function:

defaultObjectsArray()

template<typename Array >

Array QFFmpeg::defaultObjectsArray ( )

inline

Definition at line 26 of file qffmpegplaybackengine.cpp.

deviceTypes()

static std::vector< AVHWDeviceType > QFFmpeg::deviceTypes ( const char *  envVarName )

static

Definition at line 48 of file qffmpeghwaccel.cpp.

References deviceType(), QString::fromUtf8(), preferredHardwareAccelerators, qgetenv(), qWarning, and QString::toLower().

Referenced by QFFmpeg::HWAccel::decodingDeviceTypes(), QFFmpeg::HWAccel::encodingDeviceTypes(), and findCodecWithHwAccel().

Here is the call graph for this function:

Here is the caller graph for this function:

err2str()

QString QFFmpeg::err2str ( int  errnum )

inline

Definition at line 56 of file qffmpeg_p.h.

References QString::fromLocal8Bit().

Referenced by QFFmpeg::Codec::create(), QFFmpeg::HWAccel::createFramesContext(), Q_LOGGING_CATEGORY(), and Q_LOGGING_CATEGORY().

Here is the call graph for this function:

Here is the caller graph for this function:

findAVDecoder()

const AVCodec * QFFmpeg::findAVDecoder	(	AVCodecID	codecId,
		const std::optional< AVHWDeviceType > &	deviceType,
		const std::optional< PixelOrSampleFormat > &	format
	)

Definition at line 270 of file qffmpeg.cpp.

References codecId(), and deviceType().

Referenced by QFFmpegMediaFormatInfo::QFFmpegMediaFormatInfo(), QFFmpeg::Codec::create(), and QFFmpeg::HWAccel::findDecoderWithHwAccel().

Here is the call graph for this function:

Here is the caller graph for this function:

findAVEncoder() [1/2]

const AVCodec * QFFmpeg::findAVEncoder	(	AVCodecID	codecId,
		const std::function< AVScore(const AVCodec *)> &	scoresGetter
	)

Definition at line 282 of file qffmpeg.cpp.

References codecId().

Here is the call graph for this function:

findAVEncoder() [2/2]

const AVCodec * QFFmpeg::findAVEncoder	(	AVCodecID	codecId,
		const std::optional< AVHWDeviceType > &	deviceType,
		const std::optional< PixelOrSampleFormat > &	format
	)

Definition at line 276 of file qffmpeg.cpp.

References codecId(), and deviceType().

Referenced by QFFmpegMediaFormatInfo::QFFmpegMediaFormatInfo(), QFFmpeg::HWAccel::findEncoderWithHwAccel(), findSwEncoder(), and Q_LOGGING_CATEGORY().

Here is the call graph for this function:

Here is the caller graph for this function:

findAVFormat()

template<typename Format , typename Predicate >

Format QFFmpeg::findAVFormat	(	const Format *	fmts,
		const Predicate &	predicate
	)

Definition at line 165 of file qffmpeg_p.h.

References BestAVScore, findBestAVFormat(), fmt, NotSuitableAVScore, and predicate.

Referenced by getFormat(), and hasAVFormat().

Here is the call graph for this function:

Here is the caller graph for this function:

findBestAVFormat()

template<typename Format , typename CalculateScore >

std::pair< Format, AVScore > QFFmpeg::findBestAVFormat	(	const Format *	fmts,
		const CalculateScore &	calculateScore
	)

Definition at line 174 of file qffmpeg_p.h.

References BestAVScore, and NotSuitableAVScore.

Referenced by findAVFormat(), findSwEncoder(), findTargetFormat(), findTargetSWFormat(), and getFormat().

Here is the caller graph for this function:

findCodecWithHwAccel()

template<typename CodecFinder >

std::pair< const AVCodec *, std::unique_ptr< HWAccel > > QFFmpeg::findCodecWithHwAccel	(	AVCodecID	id,
		const std::vector< AVHWDeviceType > &	deviceTypes,
		CodecFinder	codecFinder,
		const std::function< bool(const HWAccel &)> &	hwAccelPredicate
	)

Definition at line 98 of file qffmpeghwaccel.cpp.

References codec, QFFmpeg::HWAccel::create(), deviceTypes(), and qCDebug.

Referenced by QFFmpeg::HWAccel::findDecoderWithHwAccel(), and QFFmpeg::HWAccel::findEncoderWithHwAccel().

Here is the call graph for this function:

Here is the caller graph for this function:

findHwEncoder()

std::pair< const AVCodec *, std::unique_ptr< HWAccel > > QFFmpeg::findHwEncoder	(	AVCodecID	codecID,
		const QSize &	sourceSize
	)

Definition at line 126 of file qffmpegvideoencoderutils.cpp.

References QFFmpeg::HWAccel::findEncoderWithHwAccel(), QSize::height(), Q_ASSERT, and QSize::width().

Here is the call graph for this function:

findSwEncoder()

const AVCodec * QFFmpeg::findSwEncoder	(	AVCodecID	codecID,
		AVPixelFormat	sourceFormat,
		AVPixelFormat	sourceSWFormat
	)

Definition at line 147 of file qffmpegvideoencoderutils.cpp.

References codec, findAVEncoder(), findBestAVFormat(), MinAVScore, and targetFormatScoreCalculator().

Here is the call graph for this function:

findTargetFormat()

AVPixelFormat QFFmpeg::findTargetFormat	(	AVPixelFormat	sourceFormat,
		AVPixelFormat	sourceSWFormat,
		const AVCodec *	codec,
		const HWAccel *	accel
	)

Definition at line 112 of file qffmpegvideoencoderutils.cpp.

References codec, findBestAVFormat(), isHwPixelFormat(), qWarning, and targetFormatScoreCalculator().

Here is the call graph for this function:

findTargetSWFormat()

AVPixelFormat QFFmpeg::findTargetSWFormat	(	AVPixelFormat	sourceSWFormat,
		const HWAccel &	accel
	)

Definition at line 93 of file qffmpegvideoencoderutils.cpp.

References QFFmpeg::HWAccel::constraints(), findBestAVFormat(), and fmt.

Here is the call graph for this function:

fourccFromPixelFormat()

static const quint32 * QFFmpeg::fourccFromPixelFormat ( const QVideoFrameFormat::PixelFormat  format )

static

Definition at line 68 of file qffmpeghwaccel_vaapi.cpp.

References DRM_FORMAT_ABGR8888, DRM_FORMAT_GR1616, DRM_FORMAT_GR88, DRM_FORMAT_R16, DRM_FORMAT_R8, DRM_FORMAT_RG1616, DRM_FORMAT_RG88, DRM_FORMAT_RGBA8888, QVideoFrameFormat::Format_ABGR8888, QVideoFrameFormat::Format_ARGB8888, QVideoFrameFormat::Format_ARGB8888_Premultiplied, QVideoFrameFormat::Format_AYUV, QVideoFrameFormat::Format_AYUV_Premultiplied, QVideoFrameFormat::Format_BGRA8888, QVideoFrameFormat::Format_BGRA8888_Premultiplied, QVideoFrameFormat::Format_BGRX8888, QVideoFrameFormat::Format_IMC1, QVideoFrameFormat::Format_IMC2, QVideoFrameFormat::Format_IMC3, QVideoFrameFormat::Format_IMC4, QVideoFrameFormat::Format_Invalid, QVideoFrameFormat::Format_Jpeg, QVideoFrameFormat::Format_NV12, QVideoFrameFormat::Format_NV21, QVideoFrameFormat::Format_P010, QVideoFrameFormat::Format_P016, QVideoFrameFormat::Format_RGBA8888, QVideoFrameFormat::Format_RGBX8888, QVideoFrameFormat::Format_SamplerExternalOES, QVideoFrameFormat::Format_SamplerRect, QVideoFrameFormat::Format_UYVY, QVideoFrameFormat::Format_XBGR8888, QVideoFrameFormat::Format_XRGB8888, QVideoFrameFormat::Format_Y16, QVideoFrameFormat::Format_Y8, QVideoFrameFormat::Format_YUV420P, QVideoFrameFormat::Format_YUV420P10, QVideoFrameFormat::Format_YUV422P, QVideoFrameFormat::Format_YUYV, and QVideoFrameFormat::Format_YV12.

getAVFrameDuration()

int64_t QFFmpeg::getAVFrameDuration ( const AVFrame &  frame )

inline

Definition at line 83 of file qffmpeg_p.h.

References frame, and Q_UNUSED.

Referenced by QFFmpeg::Frame::Data::Data().

Here is the caller graph for this function:

getAVFrameTime()

void QFFmpeg::getAVFrameTime ( const AVFrame &  frame, int64_t &  pts, AVRational &  timeBase  )

inline

Definition at line 73 of file qffmpeg_p.h.

References frame.

Referenced by Q_LOGGING_CATEGORY().

Here is the caller graph for this function:

getFormat() [1/2]

AVPixelFormat QFFmpeg::getFormat	(	AVCodecContext *	codecContext,
		const AVPixelFormat *	suggestedFormats
	)

Definition at line 139 of file qffmpeghwaccel.cpp.

References DefaultAVScore, findAVFormat(), findBestAVFormat(), i, isAVFormatSupported(), isHwPixelFormat(), isNoConversionFormat(), NotSuitableAVScore, qCDebug, and QFFmpeg::MediaCodecTextureConverter::setupDecoderSurface().

Referenced by QFFmpeg::Codec::create().

Here is the call graph for this function:

Here is the caller graph for this function:

getFormat() [2/2]

enum AVPixelFormat QFFmpeg::getFormat	(	struct AVCodecContext *	s,
		const enum AVPixelFormat *	fmt
	)

hasAVFormat()

template<typename Format >

bool QFFmpeg::hasAVFormat	(	const Format *	fmts,
		Format	format
	)

Definition at line 159 of file qffmpeg_p.h.

References findAVFormat().

Referenced by isAVFormatSupported().

Here is the call graph for this function:

Here is the caller graph for this function:

isAVFormatSupported()

bool QFFmpeg::isAVFormatSupported	(	const AVCodec *	codec,
		PixelOrSampleFormat	format
	)

Definition at line 288 of file qffmpeg.cpp.

References codec, and hasAVFormat().

Referenced by getFormat().

Here is the call graph for this function:

Here is the caller graph for this function:

isHwPixelFormat()

bool QFFmpeg::isHwPixelFormat

(

AVPixelFormat

format

)

Definition at line 299 of file qffmpeg.cpp.

References desc.

Referenced by calculateTargetFormatScore(), findTargetFormat(), getFormat(), and isSwPixelFormat().

Here is the caller graph for this function:

isNoConversionFormat()

static bool QFFmpeg::isNoConversionFormat ( AVPixelFormat  f )

static

Definition at line 131 of file qffmpeghwaccel.cpp.

References QFFmpegVideoBuffer::toQtPixelFormat().

Referenced by getFormat().

Here is the call graph for this function:

Here is the caller graph for this function:

isSwPixelFormat()

bool QFFmpeg::isSwPixelFormat ( AVPixelFormat  format )

inline

Definition at line 191 of file qffmpeg_p.h.

References isHwPixelFormat().

Here is the call graph for this function:

loadHWContext()

static AVBufferRef * QFFmpeg::loadHWContext ( const AVHWDeviceType  type )

static

Definition at line 83 of file qffmpeghwaccel.cpp.

References qCDebug, and ret.

Referenced by QFFmpeg::HWAccel::create().

Here is the caller graph for this function:

makeAVFrame()

AVFrameUPtr QFFmpeg::makeAVFrame ( )

inline

Definition at line 119 of file qffmpeg_p.h.

Referenced by allocHWFrame(), QAVFSampleBufferDelegate::captureOutput:didOutputSampleBuffer:fromConnection:, QFFmpegVideoBuffer::convertSWFrame(), QAndroidCamera::frameAvailable(), QFFmpegVideoBuffer::map(), Q_LOGGING_CATEGORY(), and Q_LOGGING_CATEGORY().

Here is the caller graph for this function:

mul() [1/2]

std::optional< qint64 > QFFmpeg::mul ( qint64  a, AVRational  b  )

inline

Definition at line 31 of file qffmpeg_p.h.

Referenced by QFFmpeg::Frame::Data::Data(), QFFmpegVideoBuffer::maxNits(), streamTimeToUs(), timeStampMs(), and timeStampUs().

Here is the caller graph for this function:

mul() [2/2]

std::optional< qreal > QFFmpeg::mul ( qreal  a, AVRational  b  )

inline

Definition at line 36 of file qffmpeg_p.h.

pixelFormatForHwDevice()

AVPixelFormat QFFmpeg::pixelFormatForHwDevice

(

AVHWDeviceType

deviceType

)

Definition at line 305 of file qffmpeg.cpp.

References deviceType().

Referenced by QFFmpeg::HWAccel::hwFormat().

Here is the call graph for this function:

Here is the caller graph for this function:

Q_GLOBAL_STATIC()

QFFmpeg::Q_GLOBAL_STATIC	(	AndroidSurfaceTexture	,
		androidSurfaceTexture	,
		0
	)

Q_LOGGING_CATEGORY() [1/3]

static QFFmpeg::Q_LOGGING_CATEGORY ( qLcDemuxer  , "qt.multimedia.ffmpeg.demuxer"    )

static

Q_LOGGING_CATEGORY() [2/3]

static QFFmpeg::Q_LOGGING_CATEGORY ( qLcPlaybackEngine  , "qt.multimedia.ffmpeg.playbackengine"    )

static

Q_LOGGING_CATEGORY() [3/3]

static QFFmpeg::Q_LOGGING_CATEGORY ( qLcRenderer  , "qt.multimedia.ffmpeg.renderer"    )

static

setAVFrameTime()

void QFFmpeg::setAVFrameTime ( AVFrame &  frame, int64_t  pts, const AVRational &  timeBase  )

inline

Definition at line 63 of file qffmpeg_p.h.

References frame, and Q_UNUSED.

Referenced by Q_LOGGING_CATEGORY(), and Q_LOGGING_CATEGORY().

Here is the caller graph for this function:

streamTimeToUs()

static qint64 QFFmpeg::streamTimeToUs ( const AVStream *  stream, qint64  time  )

static

Definition at line 19 of file qffmpegdemuxer.cpp.

References mul(), Q_ASSERT, and time.

Referenced by QFFmpeg::Demuxer::doNextStep(), and QFFmpeg::Demuxer::onPacketProcessed().

Here is the call graph for this function:

Here is the caller graph for this function:

targetFormatScoreCalculator()

static auto QFFmpeg::targetFormatScoreCalculator ( const HWAccel *  accel, AVPixelFormat  sourceFormat, AVPixelFormat  sourceSWFormat  )

static

Definition at line 84 of file qffmpegvideoencoderutils.cpp.

References calculateTargetFormatScore(), and fmt.

Referenced by findSwEncoder(), and findTargetFormat().

Here is the call graph for this function:

Here is the caller graph for this function:

timeStampMs()

std::optional< qint64 > QFFmpeg::timeStampMs ( qint64  ts, AVRational  base  )

inline

Definition at line 41 of file qffmpeg_p.h.

References base, and mul().

Referenced by Q_LOGGING_CATEGORY(), and QFFmpeg::Codec::toMs().

Here is the call graph for this function:

Here is the caller graph for this function:

timeStampUs()

std::optional< qint64 > QFFmpeg::timeStampUs ( qint64  ts, AVRational  base  )

inline

Definition at line 46 of file qffmpeg_p.h.

References base, and mul().

Referenced by QFFmpeg::Codec::toUs().

Here is the call graph for this function:

Here is the caller graph for this function:

toFloat()

std::optional< float > QFFmpeg::toFloat ( AVRational  r )

inline

Definition at line 51 of file qffmpeg_p.h.

Referenced by Q_LOGGING_CATEGORY().

Here is the caller graph for this function:

Variable Documentation

apply

ApplyOptions QFFmpeg::apply

Definition at line 263 of file qffmpegencoderoptions.cpp.

[struct]

const struct { ... } QFFmpeg::audioCodecOptionTable[]

Initial value:

= {
    { nullptr, nullptr }
}

Referenced by applyAudioEncoderOptions().

BestAVScore

constexpr AVScore QFFmpeg::BestAVScore = std::numeric_limits<AVScore>::max()

constexpr

Definition at line 140 of file qffmpeg_p.h.

Referenced by calculateTargetFormatScore(), findAVFormat(), and findBestAVFormat().

DefaultAVScore

constexpr AVScore QFFmpeg::DefaultAVScore = 0

constexpr

Definition at line 141 of file qffmpeg_p.h.

Referenced by calculateTargetSwFormatScore(), and getFormat().

MinAVScore

constexpr AVScore QFFmpeg::MinAVScore = NotSuitableAVScore + 1

constexpr

Definition at line 143 of file qffmpeg_p.h.

Referenced by findSwEncoder().

name

const char* QFFmpeg::name

Definition at line 262 of file qffmpegencoderoptions.cpp.

NotSuitableAVScore

constexpr AVScore QFFmpeg::NotSuitableAVScore = std::numeric_limits<AVScore>::min()

constexpr

Definition at line 142 of file qffmpeg_p.h.

Referenced by calculateTargetFormatScore(), calculateTargetSwFormatScore(), findAVFormat(), findBestAVFormat(), and getFormat().

PersistentId

std::atomic<PlaybackEngineObject::Id> QFFmpeg::PersistentId = 0

static

Definition at line 10 of file qffmpegplaybackengineobject.cpp.

preferredHardwareAccelerators

const std::initializer_list<AVHWDeviceType> QFFmpeg::preferredHardwareAccelerators

static

Initial value:

= {
 
 
 
 
 
 
 
 
 
 
 
}

Definition at line 34 of file qffmpeghwaccel.cpp.

Referenced by deviceTypes().

shouldPauseStreams

constexpr bool QFFmpeg::shouldPauseStreams = false

staticconstexpr

Definition at line 39 of file qffmpegplaybackengine.cpp.

[struct]

const struct { ... } QFFmpeg::videoCodecOptionTable[]

Initial value:

= { { "libx264", apply_x264 },
                              { "libx265xx", apply_x265 },
                              { "libvpx", apply_libvpx },
                              { "libvpx_vp9", apply_libvpx },
                              { "h264_nvenc", apply_nvenc },
                              { "hevc_nvenc", apply_nvenc },
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    { nullptr, nullptr } }

Referenced by applyVideoEncoderOptions().