analog_agc.c File Reference

#include "webrtc/modules/audio_processing/agc/legacy/analog_agc.h"
#include <stdlib.h>
#include "webrtc/base/checks.h"

Macros
#define	AGC_DEFAULT_TARGET_LEVEL   3
#define	AGC_DEFAULT_COMP_GAIN   9
#define	ANALOG_TARGET_LEVEL   11
#define	ANALOG_TARGET_LEVEL_2   5
#define	OFFSET_ENV_TO_RMS   9
#define	DIGITAL_REF_AT_0_COMP_GAIN   4
#define	DIFF_REF_TO_ANALOG   5
#define	GAIN_TBL_LEN   32

Functions
int	WebRtcAgc_AddMic (void *state, int16_t *const *in_mic, size_t num_bands, size_t samples)
int	WebRtcAgc_AddFarend (void *state, const int16_t *in_far, size_t samples)
int	WebRtcAgc_GetAddFarendError (void *state, size_t samples)
int	WebRtcAgc_VirtualMic (void *agcInst, int16_t *const *in_near, size_t num_bands, size_t samples, int32_t micLevelIn, int32_t *micLevelOut)
void	WebRtcAgc_UpdateAgcThresholds (LegacyAgc *stt)
void	WebRtcAgc_SaturationCtrl (LegacyAgc *stt, uint8_t *saturated, int32_t *env)
void	WebRtcAgc_ZeroCtrl (LegacyAgc *stt, int32_t *inMicLevel, int32_t *env)
void	WebRtcAgc_SpeakerInactiveCtrl (LegacyAgc *stt)
void	WebRtcAgc_ExpCurve (int16_t volume, int16_t *index)
int32_t	WebRtcAgc_ProcessAnalog (void *state, int32_t inMicLevel, int32_t *outMicLevel, int16_t vadLogRatio, int16_t echo, uint8_t *saturationWarning)
int	WebRtcAgc_Process (void *agcInst, const int16_t *const *in_near, size_t num_bands, size_t samples, int16_t *const *out, int32_t inMicLevel, int32_t *outMicLevel, int16_t echo, uint8_t *saturationWarning)
int	WebRtcAgc_set_config (void *agcInst, WebRtcAgcConfig agcConfig)
int	WebRtcAgc_get_config (void *agcInst, WebRtcAgcConfig *config)
void *	WebRtcAgc_Create ()
void	WebRtcAgc_Free (void *state)
int	WebRtcAgc_Init (void *agcInst, int32_t minLevel, int32_t maxLevel, int16_t agcMode, uint32_t fs)

Macro Definition Documentation

AGC_DEFAULT_COMP_GAIN

#define AGC_DEFAULT_COMP_GAIN   9

AGC_DEFAULT_TARGET_LEVEL

#define AGC_DEFAULT_TARGET_LEVEL   3

ANALOG_TARGET_LEVEL

#define ANALOG_TARGET_LEVEL   11

ANALOG_TARGET_LEVEL_2

#define ANALOG_TARGET_LEVEL_2   5

DIFF_REF_TO_ANALOG

#define DIFF_REF_TO_ANALOG   5

DIGITAL_REF_AT_0_COMP_GAIN

#define DIGITAL_REF_AT_0_COMP_GAIN   4

GAIN_TBL_LEN

#define GAIN_TBL_LEN   32

OFFSET_ENV_TO_RMS

#define OFFSET_ENV_TO_RMS   9

Function Documentation

WebRtcAgc_AddFarend()

int WebRtcAgc_AddFarend	(	void *	state,
		const int16_t *	in_far,
		size_t	samples
	)

WebRtcAgc_AddMic()

int WebRtcAgc_AddMic	(	void *	state,
		int16_t *const *	in_mic,
		size_t	num_bands,
		size_t	samples
	)

WebRtcAgc_Create()

void* WebRtcAgc_Create

(

)

WebRtcAgc_ExpCurve()

void WebRtcAgc_ExpCurve	(	int16_t	volume,
		int16_t *	index
	)

WebRtcAgc_Free()

void WebRtcAgc_Free

(

void *

state

)

WebRtcAgc_get_config()

int WebRtcAgc_get_config	(	void *	agcInst,
		WebRtcAgcConfig *	config
	)

WebRtcAgc_GetAddFarendError()

int WebRtcAgc_GetAddFarendError	(	void *	state,
		size_t	samples
	)

WebRtcAgc_Init()

int WebRtcAgc_Init	(	void *	agcInst,
		int32_t	minLevel,
		int32_t	maxLevel,
		int16_t	agcMode,
		uint32_t	fs
	)

WebRtcAgc_Process()

int WebRtcAgc_Process	(	void *	agcInst,
		const int16_t *const *	in_near,
		size_t	num_bands,
		size_t	samples,
		int16_t *const *	out,
		int32_t	inMicLevel,
		int32_t *	outMicLevel,
		int16_t	echo,
		uint8_t *	saturationWarning
	)

WebRtcAgc_ProcessAnalog()

int32_t WebRtcAgc_ProcessAnalog	(	void *	state,
		int32_t	inMicLevel,
		int32_t *	outMicLevel,
		int16_t	vadLogRatio,
		int16_t	echo,
		uint8_t *	saturationWarning
	)

WebRtcAgc_SaturationCtrl()

void WebRtcAgc_SaturationCtrl	(	LegacyAgc *	stt,
		uint8_t *	saturated,
		int32_t *	env
	)

WebRtcAgc_set_config()

int WebRtcAgc_set_config	(	void *	agcInst,
		WebRtcAgcConfig	agcConfig
	)

WebRtcAgc_SpeakerInactiveCtrl()

void WebRtcAgc_SpeakerInactiveCtrl

(

LegacyAgc *

stt

)

WebRtcAgc_UpdateAgcThresholds()

void WebRtcAgc_UpdateAgcThresholds

(

LegacyAgc *

stt

)

WebRtcAgc_VirtualMic()

int WebRtcAgc_VirtualMic	(	void *	agcInst,
		int16_t *const *	in_near,
		size_t	num_bands,
		size_t	samples,
		int32_t	micLevelIn,
		int32_t *	micLevelOut
	)

WebRtcAgc_ZeroCtrl()

void WebRtcAgc_ZeroCtrl	(	LegacyAgc *	stt,
		int32_t *	inMicLevel,
		int32_t *	env
	)