webrtc::AudioDecoder Class Reference

#include <audio_decoder.h>

Inheritance diagram for webrtc::AudioDecoder:

Classes
class	EncodedAudioFrame
struct	ParseResult

Public Types
enum	SpeechType { kSpeech = 1, kComfortNoise = 2, kSpeech = 1, kComfortNoise = 2 }
enum	{ kNotImplemented = -2 }
enum	SpeechType { kSpeech = 1, kComfortNoise = 2, kSpeech = 1, kComfortNoise = 2 }
enum	{ kNotImplemented = -2 }

Public Member Functions
	AudioDecoder ()=default
virtual	~AudioDecoder ()=default
virtual std::vector< ParseResult >	ParsePayload (rtc::Buffer &&payload, uint32_t timestamp)
int	Decode (const uint8_t *encoded, size_t encoded_len, int sample_rate_hz, size_t max_decoded_bytes, int16_t *decoded, SpeechType *speech_type)
int	DecodeRedundant (const uint8_t *encoded, size_t encoded_len, int sample_rate_hz, size_t max_decoded_bytes, int16_t *decoded, SpeechType *speech_type)
virtual bool	HasDecodePlc () const
virtual size_t	DecodePlc (size_t num_frames, int16_t *decoded)
virtual void	Reset ()=0
virtual int	IncomingPacket (const uint8_t *payload, size_t payload_len, uint16_t rtp_sequence_number, uint32_t rtp_timestamp, uint32_t arrival_timestamp)
virtual int	ErrorCode ()
virtual int	PacketDuration (const uint8_t *encoded, size_t encoded_len) const
virtual int	PacketDurationRedundant (const uint8_t *encoded, size_t encoded_len) const
virtual bool	PacketHasFec (const uint8_t *encoded, size_t encoded_len) const
virtual int	SampleRateHz () const =0
virtual size_t	Channels () const =0
	AudioDecoder ()=default
virtual	~AudioDecoder ()=default
virtual std::vector< ParseResult >	ParsePayload (rtc::Buffer &&payload, uint32_t timestamp)
int	Decode (const uint8_t *encoded, size_t encoded_len, int sample_rate_hz, size_t max_decoded_bytes, int16_t *decoded, SpeechType *speech_type)
int	DecodeRedundant (const uint8_t *encoded, size_t encoded_len, int sample_rate_hz, size_t max_decoded_bytes, int16_t *decoded, SpeechType *speech_type)
virtual bool	HasDecodePlc () const
virtual size_t	DecodePlc (size_t num_frames, int16_t *decoded)
virtual void	Reset ()=0
virtual int	IncomingPacket (const uint8_t *payload, size_t payload_len, uint16_t rtp_sequence_number, uint32_t rtp_timestamp, uint32_t arrival_timestamp)
virtual int	ErrorCode ()
virtual int	PacketDuration (const uint8_t *encoded, size_t encoded_len) const
virtual int	PacketDurationRedundant (const uint8_t *encoded, size_t encoded_len) const
virtual bool	PacketHasFec (const uint8_t *encoded, size_t encoded_len) const
virtual int	SampleRateHz () const =0
virtual size_t	Channels () const =0

Protected Member Functions
virtual int	DecodeInternal (const uint8_t *encoded, size_t encoded_len, int sample_rate_hz, int16_t *decoded, SpeechType *speech_type)=0
virtual int	DecodeRedundantInternal (const uint8_t *encoded, size_t encoded_len, int sample_rate_hz, int16_t *decoded, SpeechType *speech_type)
virtual int	DecodeInternal (const uint8_t *encoded, size_t encoded_len, int sample_rate_hz, int16_t *decoded, SpeechType *speech_type)=0
virtual int	DecodeRedundantInternal (const uint8_t *encoded, size_t encoded_len, int sample_rate_hz, int16_t *decoded, SpeechType *speech_type)

Static Protected Member Functions
static SpeechType	ConvertSpeechType (int16_t type)
static SpeechType	ConvertSpeechType (int16_t type)

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
kNotImplemented

anonymous enum

anonymous enum

Enumerator
kNotImplemented

SpeechType [1/2]

enum webrtc::AudioDecoder::SpeechType

Enumerator
kSpeech
kComfortNoise
kSpeech
kComfortNoise

SpeechType [2/2]

enum webrtc::AudioDecoder::SpeechType

Enumerator
kSpeech
kComfortNoise
kSpeech
kComfortNoise

Constructor & Destructor Documentation

AudioDecoder() [1/2]

webrtc::AudioDecoder::AudioDecoder ( )

default

~AudioDecoder() [1/2]

virtual webrtc::AudioDecoder::~AudioDecoder ( )

virtualdefault

AudioDecoder() [2/2]

webrtc::AudioDecoder::AudioDecoder ( )

default

~AudioDecoder() [2/2]

virtual webrtc::AudioDecoder::~AudioDecoder ( )

virtualdefault

Member Function Documentation

Channels() [1/2]

virtual size_t webrtc::AudioDecoder::Channels ( ) const

pure virtual

Implemented in webrtc::Decoder120ms, webrtc::test::MockAudioDecoder, webrtc::MockExternalPcm16B, webrtc::MockExternalPcm16B, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722Stereo, webrtc::AudioDecoderG722Stereo, webrtc::test::FakeDecodeFromFile, webrtc::test::FakeDecodeFromFile, webrtc::ExternalPcm16B, webrtc::ExternalPcm16B, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderOpus, webrtc::AudioDecoderOpus, webrtc::AudioDecoderG722, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderG722, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcm16B, and webrtc::AudioDecoderPcm16B.

Channels() [2/2]

virtual size_t webrtc::AudioDecoder::Channels ( ) const

pure virtual

Implemented in webrtc::Decoder120ms, webrtc::test::MockAudioDecoder, webrtc::MockExternalPcm16B, webrtc::MockExternalPcm16B, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722Stereo, webrtc::AudioDecoderG722Stereo, webrtc::test::FakeDecodeFromFile, webrtc::test::FakeDecodeFromFile, webrtc::ExternalPcm16B, webrtc::ExternalPcm16B, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderOpus, webrtc::AudioDecoderOpus, webrtc::AudioDecoderG722, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderG722, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcm16B, and webrtc::AudioDecoderPcm16B.

ConvertSpeechType() [1/2]

AudioDecoder::SpeechType webrtc::AudioDecoder::ConvertSpeechType ( int16_t  type )

staticprotected

ConvertSpeechType() [2/2]

static SpeechType webrtc::AudioDecoder::ConvertSpeechType ( int16_t  type )

staticprotected

Decode() [1/2]

int webrtc::AudioDecoder::Decode	(	const uint8_t *	encoded,
		size_t	encoded_len,
		int	sample_rate_hz,
		size_t	max_decoded_bytes,
		int16_t *	decoded,
		SpeechType *	speech_type
	)

Decode() [2/2]

int webrtc::AudioDecoder::Decode	(	const uint8_t *	encoded,
		size_t	encoded_len,
		int	sample_rate_hz,
		size_t	max_decoded_bytes,
		int16_t *	decoded,
		SpeechType *	speech_type
	)

DecodeInternal() [1/2]

virtual int webrtc::AudioDecoder::DecodeInternal ( const uint8_t *  encoded, size_t  encoded_len, int  sample_rate_hz, int16_t *  decoded, SpeechType *  speech_type  )

protectedpure virtual

Implemented in webrtc::Decoder120ms, webrtc::test::MockAudioDecoder, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722Stereo, webrtc::AudioDecoderG722Stereo, webrtc::test::FakeDecodeFromFile, webrtc::test::FakeDecodeFromFile, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderOpus, webrtc::AudioDecoderOpus, webrtc::AudioDecoderG722, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderG722, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcmU, webrtc::ExternalPcm16B, webrtc::ExternalPcm16B, webrtc::AudioDecoderPcm16B, and webrtc::AudioDecoderPcm16B.

DecodeInternal() [2/2]

virtual int webrtc::AudioDecoder::DecodeInternal ( const uint8_t *  encoded, size_t  encoded_len, int  sample_rate_hz, int16_t *  decoded, SpeechType *  speech_type  )

protectedpure virtual

Implemented in webrtc::Decoder120ms, webrtc::test::MockAudioDecoder, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722Stereo, webrtc::AudioDecoderG722Stereo, webrtc::test::FakeDecodeFromFile, webrtc::test::FakeDecodeFromFile, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderOpus, webrtc::AudioDecoderOpus, webrtc::AudioDecoderG722, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderG722, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcmU, webrtc::ExternalPcm16B, webrtc::ExternalPcm16B, webrtc::AudioDecoderPcm16B, and webrtc::AudioDecoderPcm16B.

DecodePlc() [1/2]

size_t webrtc::AudioDecoder::DecodePlc ( size_t  num_frames, int16_t *  decoded  )

virtual

Reimplemented in webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderIlbc, and webrtc::AudioDecoderIlbc.

DecodePlc() [2/2]

virtual size_t webrtc::AudioDecoder::DecodePlc ( size_t  num_frames, int16_t *  decoded  )

virtual

Reimplemented in webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderIlbc, and webrtc::AudioDecoderIlbc.

DecodeRedundant() [1/2]

int webrtc::AudioDecoder::DecodeRedundant	(	const uint8_t *	encoded,
		size_t	encoded_len,
		int	sample_rate_hz,
		size_t	max_decoded_bytes,
		int16_t *	decoded,
		SpeechType *	speech_type
	)

DecodeRedundant() [2/2]

int webrtc::AudioDecoder::DecodeRedundant	(	const uint8_t *	encoded,
		size_t	encoded_len,
		int	sample_rate_hz,
		size_t	max_decoded_bytes,
		int16_t *	decoded,
		SpeechType *	speech_type
	)

DecodeRedundantInternal() [1/2]

virtual int webrtc::AudioDecoder::DecodeRedundantInternal ( const uint8_t *  encoded, size_t  encoded_len, int  sample_rate_hz, int16_t *  decoded, SpeechType *  speech_type  )

protectedvirtual

Reimplemented in webrtc::AudioDecoderOpus, and webrtc::AudioDecoderOpus.

DecodeRedundantInternal() [2/2]

int webrtc::AudioDecoder::DecodeRedundantInternal ( const uint8_t *  encoded, size_t  encoded_len, int  sample_rate_hz, int16_t *  decoded, SpeechType *  speech_type  )

protectedvirtual

Reimplemented in webrtc::AudioDecoderOpus, and webrtc::AudioDecoderOpus.

ErrorCode() [1/2]

int webrtc::AudioDecoder::ErrorCode ( )

virtual

Reimplemented in webrtc::AudioDecoderIsacT< T >, and webrtc::AudioDecoderIsacT< T >.

ErrorCode() [2/2]

virtual int webrtc::AudioDecoder::ErrorCode ( )

virtual

Reimplemented in webrtc::AudioDecoderIsacT< T >, and webrtc::AudioDecoderIsacT< T >.

HasDecodePlc() [1/2]

bool webrtc::AudioDecoder::HasDecodePlc ( ) const

virtual

Reimplemented in webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderG722, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderG722, and webrtc::AudioDecoderIlbc.

HasDecodePlc() [2/2]

virtual bool webrtc::AudioDecoder::HasDecodePlc ( ) const

virtual

Reimplemented in webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderG722, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderG722, and webrtc::AudioDecoderIlbc.

IncomingPacket() [1/2]

virtual int webrtc::AudioDecoder::IncomingPacket ( const uint8_t *  payload, size_t  payload_len, uint16_t  rtp_sequence_number, uint32_t  rtp_timestamp, uint32_t  arrival_timestamp  )

virtual

Reimplemented in webrtc::AudioDecoderIsacT< T >, and webrtc::AudioDecoderIsacT< T >.

IncomingPacket() [2/2]

int webrtc::AudioDecoder::IncomingPacket ( const uint8_t *  payload, size_t  payload_len, uint16_t  rtp_sequence_number, uint32_t  rtp_timestamp, uint32_t  arrival_timestamp  )

virtual

Reimplemented in webrtc::AudioDecoderIsacT< T >, and webrtc::AudioDecoderIsacT< T >.

PacketDuration() [1/2]

int webrtc::AudioDecoder::PacketDuration ( const uint8_t *  encoded, size_t  encoded_len  ) const

virtual

Reimplemented in webrtc::test::MockAudioDecoder, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722, webrtc::AudioDecoderG722, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderOpus, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderOpus, webrtc::AudioDecoderPcm16B, and webrtc::AudioDecoderPcm16B.

PacketDuration() [2/2]

virtual int webrtc::AudioDecoder::PacketDuration ( const uint8_t *  encoded, size_t  encoded_len  ) const

virtual

Reimplemented in webrtc::test::MockAudioDecoder, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722, webrtc::AudioDecoderG722, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderOpus, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderOpus, webrtc::AudioDecoderPcm16B, and webrtc::AudioDecoderPcm16B.

PacketDurationRedundant() [1/2]

int webrtc::AudioDecoder::PacketDurationRedundant ( const uint8_t *  encoded, size_t  encoded_len  ) const

virtual

Reimplemented in webrtc::AudioDecoderOpus, and webrtc::AudioDecoderOpus.

PacketDurationRedundant() [2/2]

virtual int webrtc::AudioDecoder::PacketDurationRedundant ( const uint8_t *  encoded, size_t  encoded_len  ) const

virtual

Reimplemented in webrtc::AudioDecoderOpus, and webrtc::AudioDecoderOpus.

PacketHasFec() [1/2]

virtual bool webrtc::AudioDecoder::PacketHasFec ( const uint8_t *  encoded, size_t  encoded_len  ) const

virtual

Reimplemented in webrtc::test::MockAudioDecoder, webrtc::AudioDecoderOpus, and webrtc::AudioDecoderOpus.

PacketHasFec() [2/2]

bool webrtc::AudioDecoder::PacketHasFec ( const uint8_t *  encoded, size_t  encoded_len  ) const

virtual

Reimplemented in webrtc::test::MockAudioDecoder, webrtc::AudioDecoderOpus, and webrtc::AudioDecoderOpus.

ParsePayload() [1/2]

virtual std::vector<ParseResult> webrtc::AudioDecoder::ParsePayload ( rtc::Buffer &&  payload, uint32_t  timestamp  )

virtual

Reimplemented in webrtc::test::MockAudioDecoder, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722Stereo, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722Stereo, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderG722, webrtc::AudioDecoderG722, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderOpus, webrtc::AudioDecoderOpus, webrtc::AudioDecoderPcm16B, and webrtc::AudioDecoderPcm16B.

ParsePayload() [2/2]

std::vector< AudioDecoder::ParseResult > webrtc::AudioDecoder::ParsePayload ( rtc::Buffer &&  payload, uint32_t  timestamp  )

virtual

Reimplemented in webrtc::test::MockAudioDecoder, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722Stereo, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722Stereo, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderG722, webrtc::AudioDecoderG722, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderOpus, webrtc::AudioDecoderOpus, webrtc::AudioDecoderPcm16B, and webrtc::AudioDecoderPcm16B.

Reset() [1/2]

virtual void webrtc::AudioDecoder::Reset ( )

pure virtual

Implemented in webrtc::Decoder120ms, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722Stereo, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722Stereo, webrtc::test::FakeDecodeFromFile, webrtc::test::FakeDecodeFromFile, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderIsacT< T >, webrtc::ExternalPcm16B, webrtc::ExternalPcm16B, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderOpus, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderOpus, webrtc::AudioDecoderG722, webrtc::AudioDecoderG722, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcm16B, and webrtc::AudioDecoderPcm16B.

Reset() [2/2]

virtual void webrtc::AudioDecoder::Reset ( )

pure virtual

Implemented in webrtc::Decoder120ms, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722Stereo, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722Stereo, webrtc::test::FakeDecodeFromFile, webrtc::test::FakeDecodeFromFile, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderIsacT< T >, webrtc::ExternalPcm16B, webrtc::ExternalPcm16B, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderOpus, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderOpus, webrtc::AudioDecoderG722, webrtc::AudioDecoderG722, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcm16B, and webrtc::AudioDecoderPcm16B.

SampleRateHz() [1/2]

virtual int webrtc::AudioDecoder::SampleRateHz ( ) const

pure virtual

Implemented in webrtc::Decoder120ms, webrtc::test::MockAudioDecoder, webrtc::MockExternalPcm16B, webrtc::MockExternalPcm16B, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722Stereo, webrtc::AudioDecoderG722Stereo, webrtc::test::FakeDecodeFromFile, webrtc::test::FakeDecodeFromFile, webrtc::ExternalPcm16B, webrtc::ExternalPcm16B, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderOpus, webrtc::AudioDecoderOpus, webrtc::AudioDecoderG722, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderG722, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcm16B, and webrtc::AudioDecoderPcm16B.

SampleRateHz() [2/2]

virtual int webrtc::AudioDecoder::SampleRateHz ( ) const

pure virtual

Implemented in webrtc::Decoder120ms, webrtc::test::MockAudioDecoder, webrtc::MockExternalPcm16B, webrtc::MockExternalPcm16B, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderPcmA, webrtc::AudioDecoderG722Stereo, webrtc::AudioDecoderG722Stereo, webrtc::test::FakeDecodeFromFile, webrtc::test::FakeDecodeFromFile, webrtc::ExternalPcm16B, webrtc::ExternalPcm16B, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderIsacT< T >, webrtc::AudioDecoderOpus, webrtc::AudioDecoderOpus, webrtc::AudioDecoderG722, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderG722, webrtc::AudioDecoderIlbc, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcmU, webrtc::AudioDecoderPcm16B, and webrtc::AudioDecoderPcm16B.

---

The documentation for this class was generated from the following files:

• DerivedData/WebKit/Build/Products/Debug/usr/local/include/webrtc/api/audio_codecs/audio_decoder.h
• Source/ThirdParty/libwebrtc/Source/webrtc/api/audio_codecs/audio_decoder.cc