jami::AudioFormat Struct Reference

Structure to hold sample rate and channel number associated with audio data. More...

#include <audio_format.h>

Collaboration diagram for jami::AudioFormat:

Public Member Functions
constexpr	AudioFormat (unsigned sr, unsigned c, AVSampleFormat f=AV_SAMPLE_FMT_S16)
size_t	getBandwidth (unsigned delay_ms=1000) const
	Bytes per second (default), or bytes necessary to hold delay_ms milliseconds of audio data.
size_t	getBytesPerFrame () const
	Returns bytes necessary to hold one frame of audio data.
bool	operator!= (const AudioFormat &b) const
bool	operator== (const AudioFormat &b) const
std::string	toString () const
AudioFormat	withSampleFormat (AVSampleFormat format)

Static Public Member Functions
static const constexpr AudioFormat	DEFAULT ()
static const constexpr AudioFormat	MONO ()
static const constexpr AudioFormat	NONE ()
static const constexpr AudioFormat	STEREO ()

Public Attributes
unsigned	nb_channels
unsigned	sample_rate
AVSampleFormat	sampleFormat

Static Public Attributes
static const constexpr unsigned	DEFAULT_SAMPLE_RATE = 48000

Detailed Description

Structure to hold sample rate and channel number associated with audio data.

Definition at line 33 of file audio_format.h.

Constructor & Destructor Documentation

AudioFormat()

constexpr jami::AudioFormat::AudioFormat ( unsigned  sr, unsigned  c, AVSampleFormat  f = AV_SAMPLE_FMT_S16  )

inlineconstexpr

Definition at line 39 of file audio_format.h.

Member Function Documentation

DEFAULT()

static const constexpr AudioFormat jami::AudioFormat::DEFAULT ( )

inlinestaticconstexpr

Definition at line 79 of file audio_format.h.

getBandwidth()

size_t jami::AudioFormat::getBandwidth ( unsigned  delay_ms = 1000 ) const

inline

Bytes per second (default), or bytes necessary to hold delay_ms milliseconds of audio data.

Definition at line 73 of file audio_format.h.

References jami::emitSignal(), getBytesPerFrame(), and sample_rate.

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getBytesPerFrame()

size_t jami::AudioFormat::getBytesPerFrame ( ) const

inline

Returns bytes necessary to hold one frame of audio data.

Definition at line 67 of file audio_format.h.

References jami::emitSignal(), nb_channels, and sampleFormat.

Referenced by getBandwidth(), jami::OpenSLLayer::initAudioEngine(), and jami::OpenSLLayer::startAudioCapture().

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MONO()

static const constexpr AudioFormat jami::AudioFormat::MONO ( )

inlinestaticconstexpr

Definition at line 81 of file audio_format.h.

References DEFAULT_SAMPLE_RATE.

NONE()

static const constexpr AudioFormat jami::AudioFormat::NONE ( )

inlinestaticconstexpr

Definition at line 80 of file audio_format.h.

operator!=()

bool jami::AudioFormat::operator!= ( const AudioFormat &  b ) const

inline

Definition at line 51 of file audio_format.h.

References jami::emitSignal().

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operator==()

bool jami::AudioFormat::operator== ( const AudioFormat &  b ) const

inline

Definition at line 45 of file audio_format.h.

References jami::emitSignal(), nb_channels, sample_rate, and sampleFormat.

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STEREO()

static const constexpr AudioFormat jami::AudioFormat::STEREO ( )

inlinestaticconstexpr

Definition at line 82 of file audio_format.h.

References DEFAULT_SAMPLE_RATE.

Referenced by jami::LocalRecorder::startRecording().

toString()

std::string jami::AudioFormat::toString ( ) const

inline

Definition at line 53 of file audio_format.h.

References jami::emitSignal(), nb_channels, sample_rate, and sampleFormat.

Referenced by jami::AudioFile::AudioFile(), jami::Manager::audioFormatUsed(), jami::opensl::AudioPlayer::AudioPlayer(), jami::AudioFrameResizer::enqueue(), jami::AudioLayer::hardwareFormatAvailable(), jami::AudioLayer::hardwareInputFormatAvailable(), and jami::OpenSLLayer::initAudioEngine().

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withSampleFormat()

AudioFormat jami::AudioFormat::withSampleFormat ( AVSampleFormat  format )

inline

Definition at line 58 of file audio_format.h.

References nb_channels, and sample_rate.

Member Data Documentation

DEFAULT_SAMPLE_RATE

const constexpr unsigned jami::AudioFormat::DEFAULT_SAMPLE_RATE = 48000

staticconstexpr

Definition at line 78 of file audio_format.h.

Referenced by MONO(), and STEREO().

nb_channels

unsigned jami::AudioFormat::nb_channels

Definition at line 36 of file audio_format.h.

Referenced by jami::AudioFile::AudioFile(), jami::audioFormatToSampleFormat(), jami::Manager::audioFormatUsed(), jami::opensl::AudioPlayer::AudioPlayer(), jami::opensl::AudioRecorder::AudioRecorder(), jami::opensl::convertToSLSampleFormat(), getBytesPerFrame(), jami::SystemAudioCodecInfo::getCodecSpecifications(), jami::AudioLoop::getNext(), jami::WebRTCAudioProcessor::getProcessed(), jami::NullAudioProcessor::NullAudioProcessor(), operator==(), jami::Resampler::resample(), jami::Resampler::resample(), jami::AudioFrameResizer::setFormat(), jami::SpeexAudioProcessor::SpeexAudioProcessor(), toString(), jami::PulseLayer::updateSinkList(), jami::PulseLayer::updateSourceList(), jami::WebRTCAudioProcessor::WebRTCAudioProcessor(), and withSampleFormat().

sample_rate

unsigned jami::AudioFormat::sample_rate

Definition at line 35 of file audio_format.h.

Referenced by jami::AudioFile::AudioFile(), jami::audioFormatToSampleFormat(), jami::Manager::audioFormatUsed(), jami::opensl::convertToSLSampleFormat(), getBandwidth(), jami::SystemAudioCodecInfo::getCodecSpecifications(), libjami::AudioFrame::getFormat(), jami::RingBufferPool::getInternalSamplingRate(), jami::WebRTCAudioProcessor::getProcessed(), jami::AudioLayer::getSampleRate(), jami::AudioLayer::getToRing(), operator==(), jami::Resampler::resample(), jami::Resampler::resample(), jami::SystemAudioCodecInfo::setCodecSpecifications(), jami::AudioInput::setFormat(), jami::RingBuffer::setFormat(), jami::RingBufferPool::setInternalSamplingRate(), jami::SpeexAudioProcessor::SpeexAudioProcessor(), toString(), jami::WebRTCAudioProcessor::WebRTCAudioProcessor(), jami::webrtcFrameSize(), and withSampleFormat().

sampleFormat

AVSampleFormat jami::AudioFormat::sampleFormat

Definition at line 37 of file audio_format.h.

Referenced by jami::AudioFile::AudioFile(), jami::Manager::audioFormatUsed(), jami::opensl::AudioPlayer::AudioPlayer(), jami::opensl::AudioRecorder::AudioRecorder(), jami::opensl::convertToSLSampleFormat(), getBytesPerFrame(), jami::AudioLoop::getNext(), jami::AudioLayer::hardwareFormatAvailable(), jami::AudioLayer::notifyIncomingCall(), operator==(), jami::Resampler::resample(), jami::Resampler::resample(), jami::AudioFrameResizer::setFormat(), and toString().

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The documentation for this struct was generated from the following file:

• audio_format.h