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Internal/Contributor docs for the Qt SDK. <b>Note:</b> These are NOT official API docs; those are found <a href='https://doc.qt.io/'>here</a>.
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Macros | Functions | Variables
qavfsamplebufferdelegate.mm File Reference

(948ce7b3d6decf7e3edd920a632562a47e2aa56a)

#include "qavfsamplebufferdelegate_p.h"
#include "qffmpeghwaccel_p.h"
#include "qavfhelpers_p.h"
#include "qffmpegvideobuffer_p.h"
#include <optional>
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Go to the source code of this file.

Macros

#define AVMediaType   XAVMediaType
 

Functions

static QT_USE_NAMESPACE void releaseHwFrame (void *, uint8_t *data)
 
static QFFmpeg::AVFrameUPtr allocHWFrame (AVBufferRef *hwContext, const CVPixelBufferRef &pixbuf)
 

Variables

AVBufferRef * hwFramesContext
 
std::unique_ptr< QFFmpeg::HWAccel > m_accel
 
qint64 startTime
 
std::optional< qint64 > baseTime
 
qreal frameRate
 

Macro Definition Documentation

◆ AVMediaType

#define AVMediaType   XAVMediaType

Definition at line 6 of file qavfsamplebufferdelegate.mm.

Function Documentation

◆ allocHWFrame()

static QFFmpeg::AVFrameUPtr allocHWFrame ( AVBufferRef * hwContext,
const CVPixelBufferRef & pixbuf )
static

Definition at line 91 of file qavfsamplebufferdelegate.mm.

References frame, QWidget::height, QFFmpeg::makeAVFrame(), releaseHwFrame(), and QWidget::width.

Referenced by QAVFSampleBufferDelegate::captureOutput:didOutputSampleBuffer:fromConnection:.

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◆ releaseHwFrame()

static QT_USE_NAMESPACE void releaseHwFrame ( void * ,
uint8_t * data )
static

Definition at line 18 of file qavfsamplebufferdelegate.mm.

Referenced by allocHWFrame().

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Variable Documentation

◆ baseTime

std::optional<qint64> baseTime

Definition at line 119 of file qavfsamplebufferdelegate.mm.

◆ frameRate

qreal frameRate

Definition at line 120 of file qavfsamplebufferdelegate.mm.

Referenced by QAVFScreenCapture::Grabber::Grabber(), QFFmpeg::VideoEncoder::VideoEncoder(), QFFmpeg::adjustFrameTimeBase(), operator>>(), QQnxCamera::setCameraFormat(), QQnxWindowGrabber::setFrameRate(), QMediaRecorder::setVideoFrameRate(), QWindowsMediaDeviceSession::startRecording(), and QGstreamerVideoDevices::videoDevices().

◆ hwFramesContext

AVBufferRef* hwFramesContext
Initial value:
{
@private
std::function<void(const QVideoFrame &)> frameHandler
QVideoFrame
The QVideoFrame class represents a frame of video data.
Definition qvideoframe.h:27
void
DBusConnection const char DBusError DBusBusType DBusError return DBusConnection DBusHandleMessageFunction void DBusFreeFunction return DBusConnection return DBusConnection return const char DBusError return DBusConnection DBusMessage dbus_uint32_t return DBusConnection dbus_bool_t DBusConnection DBusAddWatchFunction DBusRemoveWatchFunction DBusWatchToggledFunction void DBusFreeFunction return DBusConnection DBusDispatchStatusFunction void DBusFreeFunction DBusTimeout return DBusTimeout return DBusWatch return DBusWatch unsigned int return DBusError const DBusError return const DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessage return DBusMessageIter int const void return DBusMessageIter DBusMessageIter return DBusMessageIter void DBusMessageIter void int return DBusMessage DBusMessageIter return DBusMessageIter return DBusMessageIter DBusMessageIter const char const char const char const char return DBusMessage return DBusMessage const char return DBusMessage dbus_bool_t return DBusMessage dbus_uint32_t return DBusMessage void
Definition qdbus_symbols_p.h:409

Definition at line 116 of file qavfsamplebufferdelegate.mm.

Referenced by QFFmpeg::VideoFrameEncoder::sendFrame().

◆ m_accel

std::unique_ptr<QFFmpeg::HWAccel> m_accel

Definition at line 117 of file qavfsamplebufferdelegate.mm.

◆ startTime

qint64 startTime

Definition at line 118 of file qavfsamplebufferdelegate.mm.

Referenced by QAudioBuffer::QAudioBuffer(), AVFMediaPlayer::availablePlaybackRanges(), QQuick3DParticleEmitter::emitActivationNodeParticles(), QQuick3DParticleEmitter::emitParticle(), QQuick3DParticleEmitter::emitParticles(), QQuick3DParticleEmitter::emitParticlesBurst(), QQuick3DParticleTrailEmitter::emitTrailParticles(), QQuick3DParticleEmitter::generateEmitBursts(), D3DPresentEngine::makeVideoFrame(), and QGstUtils::setFrameTimeStampsFromBuffer().