QFFmpeg::HWAccel Class Reference

#include <qffmpeghwaccel_p.h>

Collaboration diagram for QFFmpeg::HWAccel:

Public Member Functions
	~HWAccel ()
AVHWDeviceType	deviceType () const
AVBufferRef *	hwDeviceContextAsBuffer () const
AVHWDeviceContext *	hwDeviceContext () const
AVPixelFormat	hwFormat () const
AVHWFramesConstraintsUPtr	constraints () const
void	createFramesContext (AVPixelFormat swFormat, const QSize &size)
AVBufferRef *	hwFramesContextAsBuffer () const
AVHWFramesContext *	hwFramesContext () const

Static Public Member Functions
static std::unique_ptr< HWAccel >	create (AVHWDeviceType deviceType)
static std::pair< const AVCodec *, std::unique_ptr< HWAccel > >	findEncoderWithHwAccel (AVCodecID id, const std::function< bool(const HWAccel &)> &hwAccelPredicate=nullptr)
static std::pair< const AVCodec *, std::unique_ptr< HWAccel > >	findDecoderWithHwAccel (AVCodecID id, const std::function< bool(const HWAccel &)> &hwAccelPredicate=nullptr)
static AVPixelFormat	format (AVFrame *frame)
static const std::vector< AVHWDeviceType > &	encodingDeviceTypes ()
static const std::vector< AVHWDeviceType > &	decodingDeviceTypes ()

Detailed Description

Definition at line 84 of file qffmpeghwaccel_p.h.

Constructor & Destructor Documentation

~HWAccel()

QFFmpeg::HWAccel::~HWAccel ( )

default

Member Function Documentation

constraints()

AVHWFramesConstraintsUPtr QFFmpeg::HWAccel::constraints

(

)

const

Definition at line 256 of file qffmpeghwaccel.cpp.

References hwDeviceContextAsBuffer().

Referenced by QFFmpeg::findTargetSWFormat().

Here is the call graph for this function:

Here is the caller graph for this function:

create()

std::unique_ptr< HWAccel > QFFmpeg::HWAccel::create ( AVHWDeviceType  deviceType )

static

Definition at line 216 of file qffmpeghwaccel.cpp.

References deviceType(), and QFFmpeg::loadHWContext().

Referenced by QFFmpeg::findCodecWithHwAccel().

Here is the call graph for this function:

Here is the caller graph for this function:

createFramesContext()

void QFFmpeg::HWAccel::createFramesContext	(	AVPixelFormat	swFormat,
		const QSize &	size
	)

Definition at line 282 of file qffmpeghwaccel.cpp.

References QFFmpeg::err2str(), hwFormat(), qCDebug, and qWarning.

Referenced by QFFmpeg::VideoRenderer::renderInternal().

Here is the call graph for this function:

Here is the caller graph for this function:

decodingDeviceTypes()

const std::vector< AVHWDeviceType > & QFFmpeg::HWAccel::decodingDeviceTypes ( )

static

Definition at line 240 of file qffmpeghwaccel.cpp.

References QFFmpeg::deviceTypes().

Referenced by findDecoderWithHwAccel().

Here is the call graph for this function:

Here is the caller graph for this function:

deviceType()

AVHWDeviceType QFFmpeg::HWAccel::deviceType

(

)

const

Definition at line 277 of file qffmpeghwaccel.cpp.

References hwDeviceContext().

Referenced by create(), and hwFormat().

Here is the call graph for this function:

Here is the caller graph for this function:

encodingDeviceTypes()

const std::vector< AVHWDeviceType > & QFFmpeg::HWAccel::encodingDeviceTypes ( )

static

Definition at line 234 of file qffmpeghwaccel.cpp.

References QFFmpeg::deviceTypes().

Referenced by findEncoderWithHwAccel().

Here is the call graph for this function:

Here is the caller graph for this function:

findDecoderWithHwAccel()

std::pair< const AVCodec *, std::unique_ptr< HWAccel > > QFFmpeg::HWAccel::findDecoderWithHwAccel ( AVCodecID  id, const std::function< bool(const HWAccel &)> &  hwAccelPredicate = nullptr  )

static

Definition at line 271 of file qffmpeghwaccel.cpp.

References decodingDeviceTypes(), QFFmpeg::findAVDecoder(), and QFFmpeg::findCodecWithHwAccel().

Here is the call graph for this function:

findEncoderWithHwAccel()

std::pair< const AVCodec *, std::unique_ptr< HWAccel > > QFFmpeg::HWAccel::findEncoderWithHwAccel ( AVCodecID  id, const std::function< bool(const HWAccel &)> &  hwAccelPredicate = nullptr  )

static

Definition at line 263 of file qffmpeghwaccel.cpp.

References encodingDeviceTypes(), QFFmpeg::findAVEncoder(), and QFFmpeg::findCodecWithHwAccel().

Referenced by QFFmpeg::findHwEncoder().

Here is the call graph for this function:

Here is the caller graph for this function:

format()

AVPixelFormat QFFmpeg::HWAccel::format ( AVFrame *  frame )

static

Definition at line 224 of file qffmpeghwaccel.cpp.

References frame, hwFramesContext(), and Q_ASSERT.

Referenced by QFFmpegVideoBuffer::QFFmpegVideoBuffer().

Here is the call graph for this function:

Here is the caller graph for this function:

hwDeviceContext()

AVHWDeviceContext * QFFmpeg::HWAccel::hwDeviceContext

(

)

const

Definition at line 246 of file qffmpeghwaccel.cpp.

Referenced by deviceType().

Here is the caller graph for this function:

hwDeviceContextAsBuffer()

AVBufferRef * QFFmpeg::HWAccel::hwDeviceContextAsBuffer ( ) const

inline

Definition at line 104 of file qffmpeghwaccel_p.h.

Referenced by constraints().

Here is the caller graph for this function:

hwFormat()

AVPixelFormat QFFmpeg::HWAccel::hwFormat

(

)

const

Definition at line 251 of file qffmpeghwaccel.cpp.

References deviceType(), and QFFmpeg::pixelFormatForHwDevice().

Referenced by QFFmpeg::calculateTargetFormatScore(), and createFramesContext().

Here is the call graph for this function:

Here is the caller graph for this function:

hwFramesContext()

AVHWFramesContext * QFFmpeg::HWAccel::hwFramesContext

(

)

const

Definition at line 306 of file qffmpeghwaccel.cpp.

Referenced by format(), and QFFmpeg::VideoRenderer::renderInternal().

Here is the caller graph for this function:

hwFramesContextAsBuffer()

AVBufferRef * QFFmpeg::HWAccel::hwFramesContextAsBuffer ( ) const

inline

Definition at line 110 of file qffmpeghwaccel_p.h.

Referenced by QFFmpeg::VideoRenderer::renderInternal().

Here is the caller graph for this function:

---

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

• qtmultimedia/src/plugins/multimedia/ffmpeg/qffmpeghwaccel_p.h
• qtmultimedia/src/plugins/multimedia/ffmpeg/qffmpeghwaccel.cpp