JNIEXPORT jint JNICALL Java_com_jabber_audio_encoder_AudioWebrtcAecm_yy_1webrtc_1aecm_1initiate
(JNIEnv *env, jobject obj, jint samp_freq){
__android_log_print(ANDROID_LOG_ERROR ,TAG ,"in audioWebrtcAecm initiate function ");
int ret ;
void* AECM_instance;
if ((ret = WebRtcAecm_Create(&AECM_instance) )) {
__android_log_print(ANDROID_LOG_ERROR ,TAG ,"WebRtcAecm_Create failed with error code = %d", ret);
return ret;
}
if ((ret = WebRtcAecm_Init(AECM_instance, samp_freq) )) {
__android_log_print(ANDROID_LOG_ERROR ,TAG ,"WebRtcAecm_Init failed with error code = %d", ret);
return ret;
}
#if 0 //config
AecmConfig aecm_config;
aecm_config.cngMode = AECM_TRUE;
aecm_config.echoMode = 3;
if(( ret = WebRtcAecm_set_config(AECM_instance, aecm_config) )){
__android_log_print(ANDROID_LOG_ERROR ,TAG ,"WebRtcAecm_set_config failed with error code = %d", ret);
return ret;
}
#endif
return (jint)((int *)AECM_instance );
}
int main(void){
void *aecInst;
if(-1 == WebRtcAecm_Create(&aecInst)){
perror("WebRtcAec_Create:");
exit(1);
}
if(-1 == WebRtcAecm_Init(aecInst,8000)){
perror("WebRtcAec_Init:");
exit(1);
}
WebRtcAecm_Free(aecInst);
printf("hello webRTC\n");
return 0;
}
static void webrtc_aec_preprocess(MSFilter *f)
{
WebRTCAECState *s = (WebRTCAECState *) f->data;
AecmConfig config;
int delay_samples = 0;
mblk_t *m;
int error_code;
s->echostarted = FALSE;
delay_samples = s->delay_ms * s->samplerate / 1000;
s->framesize=(framesize*s->samplerate)/8000;
ms_message("Initializing WebRTC echo canceler with framesize=%i, delay_ms=%i, delay_samples=%i", s->framesize, s->delay_ms, delay_samples);
if ((s->aecmInst = WebRtcAecm_Create()) == NULL) {
s->bypass_mode = TRUE;
ms_error("WebRtcAecm_Create(): error, entering bypass mode");
return;
}
if ((error_code = WebRtcAecm_Init(s->aecmInst, s->samplerate)) < 0) {
if (error_code == AECM_BAD_PARAMETER_ERROR) {
ms_error("WebRtcAecm_Init(): WebRTC echo canceller does not support %d samplerate", s->samplerate);
}
s->bypass_mode = TRUE;
ms_error("Entering bypass mode");
return;
}
config.cngMode = TRUE;
config.echoMode = 3;
if (WebRtcAecm_set_config(s->aecmInst, config)!=0){
ms_error("WebRtcAecm_set_config(): failed.");
}
/* fill with zeroes for the time of the delay*/
m = allocb(delay_samples * 2, 0);
m->b_wptr += delay_samples * 2;
ms_bufferizer_put(&s->delayed_ref, m);
s->min_ref_samples = -1;
s->nominal_ref_samples = delay_samples;
ms_audio_flow_controller_init(&s->afc);
s->flow_control_time = f->ticker->time;
}
void KotiAEC_init(int16_t frame_size, int32_t sample_freq, AEC_CORE aec_core,
int speex_filter_length, int16_t agc_mode, int16_t compression_gain_db, uint8_t limiter_enable, float snd_amplification)
{
int32_t speex_agc = 0; float speex_agc_level = 24000, speex_agc_level_tmp = 3000;
int32_t speex_noise_suppress = -15;
aec_core_used = aec_core;
output_sound_amplification = snd_amplification;
switch(aec_core)
{
#ifdef WEBRTC_AEC_CORE_ENABLED
case WEBRTC_AEC:
if(webrtc_aec_pty.webrtc_aec == NULL)
{
webrtc_aec_pty.frame_size = frame_size;
webrtc_aec_pty.sample_freq = sample_freq;
webrtc_aec_pty.sndcard_sample_freq = sample_freq;
webrtc_aec_pty.sndcard_delay_ms = ((float)speex_filter_length/sample_freq) * 1000;
if( WebRtcAec_Create(&webrtc_aec_pty.webrtc_aec) == 0)
WebRtcAec_Init(webrtc_aec_pty.webrtc_aec, webrtc_aec_pty.sample_freq, webrtc_aec_pty.sndcard_sample_freq);
if( WebRtcNsx_Create((NsxHandle**)&webrtc_aec_pty.webrtc_ns) == 0)
{
WebRtcNsx_Init((NsxHandle*)webrtc_aec_pty.webrtc_ns, webrtc_aec_pty.sample_freq);
WebRtcNsx_set_policy((NsxHandle*)webrtc_aec_pty.webrtc_ns, 1);
}
if( WebRtcAgc_Create(&webrtc_aec_pty.webrtc_agc) == 0)
{
WebRtcAgc_Init(webrtc_aec_pty.webrtc_agc, 0, 255, agc_mode/*kAgcModeFixedDigital*/, webrtc_aec_pty.sample_freq);
WebRtcAgc_config_t conf = {0, compression_gain_db, limiter_enable};
WebRtcAgc_set_config(webrtc_aec_pty.webrtc_agc, conf);
}
}
else
{
WebRtcAec_Init(webrtc_aec_pty.webrtc_aec, webrtc_aec_pty.sample_freq, webrtc_aec_pty.sndcard_sample_freq);
}
break;
case WEBRTC_AECM:
if(webrtc_aecm_pty.webrtc_aec == NULL)
{
webrtc_aecm_pty.frame_size = frame_size;
webrtc_aecm_pty.sample_freq = sample_freq;
webrtc_aecm_pty.sndcard_sample_freq = sample_freq;
webrtc_aecm_pty.sndcard_delay_ms = ((float)speex_filter_length/sample_freq) * 1000;
// webrtc_aecm_pty.sndcard_delay_ms = speex_filter_length/frame_size;
if( WebRtcAecm_Create(&webrtc_aecm_pty.webrtc_aec) == 0)
WebRtcAecm_Init(webrtc_aecm_pty.webrtc_aec, webrtc_aecm_pty.sample_freq);
if( WebRtcNsx_Create((NsxHandle**)&webrtc_aecm_pty.webrtc_ns) == 0)
{
WebRtcNsx_Init((NsxHandle*)webrtc_aecm_pty.webrtc_ns, webrtc_aecm_pty.sample_freq);
WebRtcNsx_set_policy((NsxHandle*)webrtc_aecm_pty.webrtc_ns, 1);
}
if( WebRtcAgc_Create(&webrtc_aecm_pty.webrtc_agc) == 0)
{
WebRtcAgc_Init(webrtc_aecm_pty.webrtc_agc, 0, 255, agc_mode/*kAgcModeFixedDigital*/, webrtc_aecm_pty.sample_freq);
WebRtcAgc_config_t conf = {0, compression_gain_db, limiter_enable};
WebRtcAgc_set_config(webrtc_aecm_pty.webrtc_agc, conf);
}
}
break;
#endif
case SPEEX_AEC:
default:
#ifdef OLD_SPEEX_AEC
if(speex_aec_pty.speex_echo_state == NULL && speex_aec_pty.speex_preprocess_state == NULL)
{
speex_aec_pty.frame_size = frame_size;
speex_aec_pty.sample_freq = sample_freq;
speex_aec_pty.filter_length = speex_filter_length;
if(speex_aec_pty.filter_length < frame_size)
speex_aec_pty.filter_length = frame_size*FILTER_LENGTH_MULTIPLE_OF_FRAME_SIZE;
speex_aec_pty.speex_echo_state = speex_echo_state_init(frame_size, speex_aec_pty.filter_length);
speex_aec_pty.speex_preprocess_state = speex_preprocess_state_init(frame_size, sample_freq);
speex_echo_ctl((SpeexEchoState*)speex_aec_pty.speex_echo_state, SPEEX_ECHO_SET_SAMPLING_RATE, &speex_aec_pty.sample_freq);
speex_aec_pty.nosie = (int32_t*) malloc( (frame_size+1) * sizeof(int32_t) );
}
#else
if(speex_aec_pty.speex_echo_state == NULL && speex_aec_pty.speex_preprocess_state == NULL)
{
speex_aec_pty.frame_size = frame_size;
speex_aec_pty.sample_freq = sample_freq;
speex_aec_pty.filter_length = speex_filter_length;
if(speex_aec_pty.filter_length < frame_size)
speex_aec_pty.filter_length = frame_size*FILTER_LENGTH_MULTIPLE_OF_FRAME_SIZE;
speex_aec_pty.speex_echo_state = speex_echo_state_init(frame_size, speex_aec_pty.filter_length);
speex_aec_pty.speex_preprocess_state = speex_preprocess_state_init(frame_size, sample_freq);
speex_echo_ctl((SpeexEchoState*)speex_aec_pty.speex_echo_state, SPEEX_ECHO_SET_SAMPLING_RATE, &speex_aec_pty.sample_freq);
speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_SET_ECHO_STATE,
speex_aec_pty.speex_echo_state);
speex_aec_pty.nosie = (int32_t*) malloc( (frame_size+1) * sizeof(int32_t) );
speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_SET_AGC, &speex_agc);
speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_SET_AGC_LEVEL,
&speex_agc_level);
speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_SET_NOISE_SUPPRESS,
&speex_noise_suppress);
speex_aec_pty.speex_preprocess_state_tmp = speex_preprocess_state_init(frame_size, sample_freq);
speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state_tmp, SPEEX_PREPROCESS_SET_AGC, &speex_agc);
speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state_tmp, SPEEX_PREPROCESS_SET_AGC_LEVEL,
&speex_agc_level_tmp);
speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state_tmp, SPEEX_PREPROCESS_SET_NOISE_SUPPRESS,
&speex_noise_suppress);
// int32_t speex_vad = 1;
// int32_t speex_vad_prob_start = 80;
// int32_t speex_vad_prob_continue = 65;
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_SET_VAD, &speex_vad);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_SET_PROB_START,
// &speex_vad_prob_start);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_SET_PROB_CONTINUE,
// &speex_vad_prob_continue);
// int32_t tmp = -1; float tmp1 = 0.0f;
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_DENOISE, &tmp);
// printf("SPEEX_PREPROCESS_GET_DENOISE: %d\n", tmp);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_NOISE_SUPPRESS, &tmp);
// printf("SPEEX_PREPROCESS_GET_NOISE_SUPPRESS: %d\n", tmp);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_AGC, &tmp);
// printf("SPEEX_PREPROCESS_GET_AGC: %d\n", tmp);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_VAD, &tmp);
// printf("SPEEX_PREPROCESS_GET_VAD: %d\n", tmp);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_PROB_START, &tmp);
// printf("SPEEX_PREPROCESS_GET_PROB_START: %d\n", tmp);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_PROB_CONTINUE, &tmp);
// printf("SPEEX_PREPROCESS_GET_PROB_CONTINUE: %d\n", tmp);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_AGC_LEVEL, &tmp1);
// printf("SPEEX_PREPROCESS_GET_AGC_LEVEL: %f\n", tmp1);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_AGC_DECREMENT, &tmp);
// printf("SPEEX_PREPROCESS_GET_AGC_DECREMENT: %d\n", tmp);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_AGC_INCREMENT, &tmp);
// printf("SPEEX_PREPROCESS_GET_AGC_INCREMENT: %d\n", tmp);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_AGC_MAX_GAIN, &tmp);
// printf("SPEEX_PREPROCESS_GET_AGC_MAX_GAIN: %d\n", tmp);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_AGC_GAIN, &tmp);
// printf("SPEEX_PREPROCESS_GET_AGC_GAIN: %d\n", tmp);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_AGC_TARGET, &tmp);
// printf("SPEEX_PREPROCESS_GET_AGC_TARGET: %d\n", tmp);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_AGC_LOUDNESS, &tmp);
// printf("SPEEX_PREPROCESS_GET_AGC_LOUDNESS: %d\n", tmp);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_ECHO_SUPPRESS, &tmp);
// printf("SPEEX_PREPROCESS_GET_ECHO_SUPPRESS: %d\n", tmp);
// speex_preprocess_ctl((SpeexPreprocessState*)speex_aec_pty.speex_preprocess_state, SPEEX_PREPROCESS_GET_ECHO_SUPPRESS_ACTIVE, &tmp);
// printf("SPEEX_PREPROCESS_GET_ECHO_SUPPRESS_ACTIVE: %d\n", tmp);
}
#endif
break;
}
}
