aecm_core.cc File Reference

#include "webrtc/modules/audio_processing/aecm/aecm_core.h"
#include <stddef.h>
#include <stdlib.h>
#include "webrtc/common_audio/ring_buffer.h"
#include "webrtc/common_audio/signal_processing/include/real_fft.h"
#include "webrtc/modules/audio_processing/aecm/echo_control_mobile.h"
#include "webrtc/modules/audio_processing/utility/delay_estimator_wrapper.h"
#include "webrtc/system_wrappers/include/cpu_features_wrapper.h"
#include "webrtc/base/checks.h"
#include "webrtc/typedefs.h"

Functions
void	WebRtcAecm_UpdateFarHistory (AecmCore *self, uint16_t *far_spectrum, int far_q)
const uint16_t *	WebRtcAecm_AlignedFarend (AecmCore *self, int *far_q, int delay)
AecmCore *	WebRtcAecm_CreateCore ()
void	WebRtcAecm_InitEchoPathCore (AecmCore *aecm, const int16_t *echo_path)
int	WebRtcAecm_InitCore (AecmCore *const aecm, int samplingFreq)
int	WebRtcAecm_Control (AecmCore *aecm, int delay, int nlpFlag)
void	WebRtcAecm_FreeCore (AecmCore *aecm)
int	WebRtcAecm_ProcessFrame (AecmCore *aecm, const int16_t *farend, const int16_t *nearendNoisy, const int16_t *nearendClean, int16_t *out)
int16_t	WebRtcAecm_AsymFilt (const int16_t filtOld, const int16_t inVal, const int16_t stepSizePos, const int16_t stepSizeNeg)
void	WebRtcAecm_CalcEnergies (AecmCore *aecm, const uint16_t *far_spectrum, const int16_t far_q, const uint32_t nearEner, int32_t *echoEst)
int16_t	WebRtcAecm_CalcStepSize (AecmCore *const aecm)
void	WebRtcAecm_UpdateChannel (AecmCore *aecm, const uint16_t *far_spectrum, const int16_t far_q, const uint16_t *const dfa, const int16_t mu, int32_t *echoEst)
int16_t	WebRtcAecm_CalcSuppressionGain (AecmCore *const aecm)
void	WebRtcAecm_BufferFarFrame (AecmCore *const aecm, const int16_t *const farend, const int farLen)
void	WebRtcAecm_FetchFarFrame (AecmCore *const aecm, int16_t *const farend, const int farLen, const int knownDelay)

Variables
const int16_t	WebRtcAecm_kCosTable []
const int16_t	WebRtcAecm_kSinTable []
CalcLinearEnergies	WebRtcAecm_CalcLinearEnergies
StoreAdaptiveChannel	WebRtcAecm_StoreAdaptiveChannel
ResetAdaptiveChannel	WebRtcAecm_ResetAdaptiveChannel

Function Documentation

WebRtcAecm_AlignedFarend()

const uint16_t* WebRtcAecm_AlignedFarend	(	AecmCore *	self,
		int *	far_q,
		int	delay
	)

WebRtcAecm_AsymFilt()

int16_t WebRtcAecm_AsymFilt	(	const int16_t	filtOld,
		const int16_t	inVal,
		const int16_t	stepSizePos,
		const int16_t	stepSizeNeg
	)

WebRtcAecm_BufferFarFrame()

void WebRtcAecm_BufferFarFrame	(	AecmCore *const	aecm,
		const int16_t *const	farend,
		const int	farLen
	)

WebRtcAecm_CalcEnergies()

void WebRtcAecm_CalcEnergies	(	AecmCore *	aecm,
		const uint16_t *	far_spectrum,
		const int16_t	far_q,
		const uint32_t	nearEner,
		int32_t *	echoEst
	)

WebRtcAecm_CalcStepSize()

int16_t WebRtcAecm_CalcStepSize

(

AecmCore *const

aecm

)

WebRtcAecm_CalcSuppressionGain()

int16_t WebRtcAecm_CalcSuppressionGain

(

AecmCore *const

aecm

)

WebRtcAecm_Control()

int WebRtcAecm_Control	(	AecmCore *	aecm,
		int	delay,
		int	nlpFlag
	)

WebRtcAecm_CreateCore()

AecmCore* WebRtcAecm_CreateCore

(

)

WebRtcAecm_FetchFarFrame()

void WebRtcAecm_FetchFarFrame	(	AecmCore *const	aecm,
		int16_t *const	farend,
		const int	farLen,
		const int	knownDelay
	)

WebRtcAecm_FreeCore()

void WebRtcAecm_FreeCore

(

AecmCore *

aecm

)

WebRtcAecm_InitCore()

int WebRtcAecm_InitCore	(	AecmCore *const	aecm,
		int	samplingFreq
	)

WebRtcAecm_InitEchoPathCore()

void WebRtcAecm_InitEchoPathCore	(	AecmCore *	aecm,
		const int16_t *	echo_path
	)

WebRtcAecm_ProcessFrame()

int WebRtcAecm_ProcessFrame	(	AecmCore *	aecm,
		const int16_t *	farend,
		const int16_t *	nearendNoisy,
		const int16_t *	nearendClean,
		int16_t *	out
	)

WebRtcAecm_UpdateChannel()

void WebRtcAecm_UpdateChannel	(	AecmCore *	aecm,
		const uint16_t *	far_spectrum,
		const int16_t	far_q,
		const uint16_t *const	dfa,
		const int16_t	mu,
		int32_t *	echoEst
	)

WebRtcAecm_UpdateFarHistory()

void WebRtcAecm_UpdateFarHistory	(	AecmCore *	self,
		uint16_t *	far_spectrum,
		int	far_q
	)

Variable Documentation

WebRtcAecm_CalcLinearEnergies

CalcLinearEnergies WebRtcAecm_CalcLinearEnergies

WebRtcAecm_kCosTable

const int16_t WebRtcAecm_kCosTable[]

WebRtcAecm_kSinTable

const int16_t WebRtcAecm_kSinTable[]

WebRtcAecm_ResetAdaptiveChannel

ResetAdaptiveChannel WebRtcAecm_ResetAdaptiveChannel

WebRtcAecm_StoreAdaptiveChannel

StoreAdaptiveChannel WebRtcAecm_StoreAdaptiveChannel