(7aa46959da986ada426de567d4eaf013db5c32cf)

#include <QtCore/qglobal.h>
#include <QtCore/qdebug.h>
#include <QtCore/qlist.h>
#include <QtCore/qpair.h>
#include <QtCore/qsize.h>
#include "qcameradevice.h"
#include <AVFoundation/AVFoundation.h>

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Classes
class	AVFConfigurationLock

struct	AVFObjectDeleter

class	AVFScopedPointer< T >

class	AVFScopedPointer< dispatch_queue_t >

Typedefs
typedef QPair< qreal, qreal >	AVFPSRange

Functions
AVFPSRange	qt_connection_framerates (AVCaptureConnection *videoConnection)

AVCaptureDeviceFormat *	qt_convert_to_capture_device_format (AVCaptureDevice *captureDevice, const QCameraFormat &format, const std::function< bool(uint32_t)> &cvFormatValidator=nullptr)

QList< AVCaptureDeviceFormat * >	qt_unique_device_formats (AVCaptureDevice *captureDevice, FourCharCode preferredFormat)

QSize	qt_device_format_resolution (AVCaptureDeviceFormat *format)

QSize	qt_device_format_high_resolution (AVCaptureDeviceFormat *format)

QSize	qt_device_format_pixel_aspect_ratio (AVCaptureDeviceFormat *format)

QList< AVFPSRange >	qt_device_format_framerates (AVCaptureDeviceFormat *format)

AVCaptureDeviceFormat *	qt_find_best_resolution_match (AVCaptureDevice *captureDevice, const QSize &res, FourCharCode preferredFormat, bool stillImage=true)

AVCaptureDeviceFormat *	qt_find_best_framerate_match (AVCaptureDevice *captureDevice, FourCharCode preferredFormat, Float64 fps)

AVFrameRateRange *	qt_find_supported_framerate_range (AVCaptureDeviceFormat *format, Float64 fps)

bool	qt_format_supports_framerate (AVCaptureDeviceFormat *format, qreal fps)

bool	qt_formats_are_equal (AVCaptureDeviceFormat f1, AVCaptureDeviceFormat f2)

bool	qt_set_active_format (AVCaptureDevice captureDevice, AVCaptureDeviceFormat format, bool preserveFps)

AVFPSRange	qt_current_framerates (AVCaptureDevice captureDevice, AVCaptureConnection videoConnection)

void	qt_set_framerate_limits (AVCaptureDevice captureDevice, AVCaptureConnection videoConnection, qreal minFPS, qreal maxFPS)

QList< AudioValueRange >	qt_supported_sample_rates_for_format (int codecId)

QList< AudioValueRange >	qt_supported_bit_rates_for_format (int codecId)

std::optional< QList< UInt32 > >	qt_supported_channel_counts_for_format (int codecId)

QList< UInt32 >	qt_supported_channel_layout_tags_for_format (int codecId, int noChannels)

Typedef Documentation

◆ AVFPSRange

typedef QPair<qreal, qreal> AVFPSRange

Definition at line 131 of file avfcamerautility_p.h.

Function Documentation

◆ qt_connection_framerates()

AVFPSRange qt_connection_framerates ( AVCaptureConnection * videoConnection )

Definition at line 23 of file avfcamerautility.mm.

References Float64, and Q_ASSERT.

◆ qt_convert_to_capture_device_format()

AVCaptureDeviceFormat * qt_convert_to_capture_device_format	(	AVCaptureDevice *	captureDevice,
		const QCameraFormat &	format,
		const std::function< bool(uint32_t)> &	cvFormatValidator = nullptr )

Definition at line 100 of file avfcamerautility.mm.

References CvPixelFormatInvalid, Float64, QCameraFormatPrivate::handle(), and QAVFHelpers::toCVPixelFormat().

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◆ qt_current_framerates()

AVFPSRange qt_current_framerates	(	AVCaptureDevice *	captureDevice,
		AVCaptureConnection *	videoConnection )

Definition at line 576 of file avfcamerautility.mm.

References Float64, Q_ASSERT, and Q_UNUSED.

Referenced by avfVideoSettings(), and qt_set_active_format().

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◆ qt_device_format_framerates()

QList< AVFPSRange > qt_device_format_framerates ( AVCaptureDeviceFormat * format )

Definition at line 208 of file avfcamerautility.mm.

References Q_ASSERT.

◆ qt_device_format_high_resolution()

QSize qt_device_format_high_resolution ( AVCaptureDeviceFormat * format )

Definition at line 196 of file avfcamerautility.mm.

References Q_ASSERT.

Referenced by AVFImageCapture::applySettings(), AVFImageCapture::imageSettings(), and qt_find_best_resolution_match().

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◆ qt_device_format_pixel_aspect_ratio()

QSize qt_device_format_pixel_aspect_ratio ( AVCaptureDeviceFormat * format )

Definition at line 224 of file avfcamerautility.mm.

References Q_ASSERT, Q_FUNC_INFO, qAbs(), qCDebug, and qRealToFraction().

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◆ qt_device_format_resolution()

QSize qt_device_format_resolution ( AVCaptureDeviceFormat * format )

Definition at line 187 of file avfcamerautility.mm.

Referenced by AVFImageCapture::imageSettings(), qt_find_best_resolution_match(), and qt_unique_device_formats().

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◆ qt_find_best_framerate_match()

AVCaptureDeviceFormat * qt_find_best_framerate_match	(	AVCaptureDevice *	captureDevice,
		FourCharCode	preferredFormat,
		Float64	fps )

Definition at line 317 of file avfcamerautility.mm.

References epsilon, Float64, i, match(), Q_ASSERT, qAbs(), and qt_unique_device_formats().

Referenced by avfVideoSettings().

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◆ qt_find_best_resolution_match()

AVCaptureDeviceFormat * qt_find_best_resolution_match	(	AVCaptureDevice *	captureDevice,
		const QSize &	res,
		FourCharCode	preferredFormat,
		bool	stillImage = true )