Qt
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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#include "avfcamerautility_p.h"
#include "avfcameradebug_p.h"
#include <QtCore/qvector.h>
#include <QtCore/qpair.h>
#include <private/qmultimediautils_p.h>
#include <private/qcameradevice_p.h>
#include "avfvideobuffer_p.h"
#include "qavfhelpers_p.h"
#include <functional>
#include <algorithm>
#include <limits>
#include <tuple>
Go to the source code of this file.
Functions | |
QT_BEGIN_NAMESPACE AVFPSRange | qt_connection_framerates (AVCaptureConnection *videoConnection) |
AVCaptureDeviceFormat * | qt_convert_to_capture_device_format (AVCaptureDevice *captureDevice, const QCameraFormat &cameraFormat, const std::function< bool(uint32_t)> &cvFormatValidator) |
QVector< AVCaptureDeviceFormat * > | qt_unique_device_formats (AVCaptureDevice *captureDevice, FourCharCode filter) |
QSize | qt_device_format_resolution (AVCaptureDeviceFormat *format) |
QSize | qt_device_format_high_resolution (AVCaptureDeviceFormat *format) |
QVector< AVFPSRange > | qt_device_format_framerates (AVCaptureDeviceFormat *format) |
QSize | qt_device_format_pixel_aspect_ratio (AVCaptureDeviceFormat *format) |
AVCaptureDeviceFormat * | qt_find_best_resolution_match (AVCaptureDevice *captureDevice, const QSize &request, FourCharCode filter, bool stillImage) |
AVCaptureDeviceFormat * | qt_find_best_framerate_match (AVCaptureDevice *captureDevice, FourCharCode filter, 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) |
void | qt_set_framerate_limits (AVCaptureConnection *videoConnection, qreal minFPS, qreal maxFPS) |
CMTime | qt_adjusted_frame_duration (AVFrameRateRange *range, qreal fps) |
void | qt_set_framerate_limits (AVCaptureDevice *captureDevice, qreal minFPS, qreal maxFPS) |
void | qt_set_framerate_limits (AVCaptureDevice *captureDevice, AVCaptureConnection *videoConnection, qreal minFPS, qreal maxFPS) |
AVFPSRange | qt_current_framerates (AVCaptureDevice *captureDevice, AVCaptureConnection *videoConnection) |
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) |
CMTime qt_adjusted_frame_duration | ( | AVFrameRateRange * | range, |
qreal | fps ) |
Definition at line 488 of file avfcamerautility.mm.
References Q_ASSERT, and qRealToFraction().
Referenced by qt_set_framerate_limits().
QT_BEGIN_NAMESPACE AVFPSRange qt_connection_framerates | ( | AVCaptureConnection * | videoConnection | ) |
Definition at line 23 of file avfcamerautility.mm.
AVCaptureDeviceFormat * qt_convert_to_capture_device_format | ( | AVCaptureDevice * | captureDevice, |
const QCameraFormat & | cameraFormat, | ||
const std::function< bool(uint32_t)> & | cvFormatValidator ) |
Definition at line 100 of file avfcamerautility.mm.
References CvPixelFormatInvalid, Float64, QCameraFormatPrivate::handle(), and QAVFHelpers::toCVPixelFormat().
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().
QVector< AVFPSRange > qt_device_format_framerates | ( | AVCaptureDeviceFormat * | format | ) |
Definition at line 208 of file avfcamerautility.mm.
References Q_ASSERT.
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().
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().
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().
AVCaptureDeviceFormat * qt_find_best_framerate_match | ( | AVCaptureDevice * | captureDevice, |
FourCharCode | filter, | ||
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().
AVCaptureDeviceFormat * qt_find_best_resolution_match | ( | AVCaptureDevice * | captureDevice, |
const QSize & | request, | ||
FourCharCode | filter, | ||
bool | stillImage ) |
Definition at line 250 of file avfcamerautility.mm.
References area(), i, next, Q_ASSERT, qAbs(), qt_device_format_high_resolution(), qt_device_format_resolution(), qt_unique_device_formats(), and request.
Referenced by AVFImageCapture::applySettings(), and avfVideoSettings().
AVFrameRateRange * qt_find_supported_framerate_range | ( | AVCaptureDeviceFormat * | format, |
Float64 | fps ) |
Definition at line 362 of file avfcamerautility.mm.
References epsilon, Float64, i, match(), Q_ASSERT, and qAbs().
Referenced by qt_set_framerate_limits().
bool qt_format_supports_framerate | ( | AVCaptureDeviceFormat * | format, |
qreal | fps ) |
Definition at line 394 of file avfcamerautility.mm.
References epsilon.
Referenced by avfVideoSettings().
bool qt_formats_are_equal | ( | AVCaptureDeviceFormat * | f1, |
AVCaptureDeviceFormat * | f2 ) |
Definition at line 407 of file avfcamerautility.mm.
Referenced by qt_set_active_format().
bool qt_set_active_format | ( | AVCaptureDevice * | captureDevice, |
AVCaptureDeviceFormat * | format, | ||
bool | preserveFps ) |
Definition at line 418 of file avfcamerautility.mm.
References lock, qt_current_framerates(), qt_formats_are_equal(), qt_set_framerate_limits(), and qWarning.
Referenced by AVFImageCapture::applySettings(), and avfVideoSettings().
Definition at line 457 of file avfcamerautility.mm.
References Q_ASSERT, Q_FUNC_INFO, and qCDebug.
Referenced by avfVideoSettings(), qt_set_active_format(), and qt_set_framerate_limits().
void qt_set_framerate_limits | ( | AVCaptureDevice * | captureDevice, |
AVCaptureConnection * | videoConnection, | ||
qreal | minFPS, | ||
qreal | maxFPS ) |
Definition at line 568 of file avfcamerautility.mm.
References Q_ASSERT, Q_UNUSED, and qt_set_framerate_limits().
Definition at line 507 of file avfcamerautility.mm.
References lock, Q_ASSERT, Q_FUNC_INFO, qCDebug, qt_adjusted_frame_duration(), and qt_find_supported_framerate_range().
QList< AudioValueRange > qt_supported_bit_rates_for_format | ( | int | codecId | ) |
Definition at line 628 of file avfcamerautility.mm.
Referenced by avfAudioSettings().
std::optional< QList< UInt32 > > qt_supported_channel_counts_for_format | ( | int | codecId | ) |
Definition at line 659 of file avfcamerautility.mm.
Referenced by avfAudioSettings().
QList< UInt32 > qt_supported_channel_layout_tags_for_format | ( | int | codecId, |
int | noChannels ) |
Definition at line 696 of file avfcamerautility.mm.
Referenced by avfAudioSettings().
QList< AudioValueRange > qt_supported_sample_rates_for_format | ( | int | codecId | ) |
Definition at line 597 of file avfcamerautility.mm.
Referenced by avfAudioSettings().
QVector< AVCaptureDeviceFormat * > qt_unique_device_formats | ( | AVCaptureDevice * | captureDevice, |
FourCharCode | filter ) |
Definition at line 143 of file avfcamerautility.mm.
References codec, i, QSize::isNull(), QSize::isValid(), Q_ASSERT, and qt_device_format_resolution().
Referenced by qt_find_best_framerate_match(), and qt_find_best_resolution_match().