qaudiohelpers_p.h File Reference

(03bfd3c37cb94642aa5e64b3b54c610271964e45)

#include <QtMultimedia/private/qtmultimediaglobal_p.h>
#include <QtMultimedia/qaudioformat.h>
#include <QtCore/qspan.h>
#include <QtCore/qmath.h>
#include <vector>

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Classes
class	QAudioHelperInternal::CatmullRomInterpolator
struct	QAudioHelperInternal::CatmullRomInterpolator::ResampleResult

Namespaces
namespace	QAudioHelperInternal

Enumerations
enum class	QAudioHelperInternal::NativeSampleFormat : uint8_t {   QAudioHelperInternal::uint8_t , QAudioHelperInternal::int16_t , QAudioHelperInternal::int32_t , QAudioHelperInternal::int24_t_3b ,   QAudioHelperInternal::int24_t_4b_low , QAudioHelperInternal::float32_t }
enum class	QAudioHelperInternal::UpmixScaling { QAudioHelperInternal::Duplicate , QAudioHelperInternal::EqualPower }
enum class	QAudioHelperInternal::DownmixScaling { QAudioHelperInternal::Average , QAudioHelperInternal::KeepPower }

Functions
void	QAudioHelperInternal::qMultiplySamples (float factor, const QAudioFormat &format, const void *src, void *dest, int len) noexcept Q_DECL_NONBLOCKING_FUNCTION
void	QAudioHelperInternal::applyVolume (float volume, const QAudioFormat &format, QSpan< const std::byte > source, QSpan< std::byte > destination) noexcept Q_DECL_NONBLOCKING_FUNCTION
void	QAudioHelperInternal::convertSampleFormat (QSpan< const std::byte > source, NativeSampleFormat sourceFormat, QSpan< std::byte > destination, NativeSampleFormat destinationFormat) noexcept Q_DECL_NONBLOCKING_FUNCTION
NativeSampleFormat	QAudioHelperInternal::bestNativeSampleFormat (const QAudioFormat &fmt, QSpan< const NativeSampleFormat > supportedNativeFormats)
QAudioFormat::SampleFormat	QAudioHelperInternal::bestSampleFormat (const NativeSampleFormat fmt)
NativeSampleFormat	QAudioHelperInternal::toNativeSampleFormat (QAudioFormat::SampleFormat fmt)
constexpr size_t	QAudioHelperInternal::bytesPerSample (NativeSampleFormat fmt) noexcept Q_DECL_NONBLOCKING_FUNCTION
std::optional< float >	QAudioHelperInternal::sanitizeVolume (float volume, float lastValue)
void	QAudioHelperInternal::fillSilence (QSpan< std::byte > buffer, NativeSampleFormat sampleFormat) noexcept
void	QAudioHelperInternal::fillSilence (QSpan< std::byte > buffer, QAudioFormat fmt) noexcept
QByteArray	QAudioHelperInternal::resampleAudioCatmullRom (QSpan< const float > input, int nChannels, int inputRate, int outputRate)
QByteArray	QAudioHelperInternal::upmixMonoToStereo (QSpan< const float > input, UpmixScaling scaling)
void	QAudioHelperInternal::upmixMonoToStereo (QSpan< float > out, QSpan< const float > in, UpmixScaling scaling) noexcept Q_DECL_NONBLOCKING_FUNCTION
QByteArray	QAudioHelperInternal::downmixStereoToMono (QSpan< const float > input, DownmixScaling scaling)
void	QAudioHelperInternal::downmixStereoToMono (QSpan< float > out, QSpan< const float > in, DownmixScaling scaling) noexcept Q_DECL_NONBLOCKING_FUNCTION
Q_MULTIMEDIA_EXPORT QDebug	operator<< (QDebug dbg, QAudioHelperInternal::NativeSampleFormat)

Function Documentation

operator<<()

Q_MULTIMEDIA_EXPORT QDebug operator<<	(	QDebug	dbg,
		QAudioHelperInternal::NativeSampleFormat	)