C++ (Cpp) WebRtcAec_CreateResampler Examples

Example #1

File: echo_cancellation.c Project: AutomationConsultant/perch-webrtc

int32_t WebRtcAec_Create(void **aecInst)
{
    aecpc_t *aecpc;
    if (aecInst == NULL) {
        return -1;
    }

    aecpc = malloc(sizeof(aecpc_t));
    *aecInst = aecpc;
    if (aecpc == NULL) {
        return -1;
    }

    if (WebRtcAec_CreateAec(&aecpc->aec) == -1) {
        WebRtcAec_Free(aecpc);
        aecpc = NULL;
        return -1;
    }

    if (WebRtcAec_CreateResampler(&aecpc->resampler) == -1) {
        WebRtcAec_Free(aecpc);
        aecpc = NULL;
        return -1;
    }
    // Create far-end pre-buffer. The buffer size has to be large enough for
    // largest possible drift compensation (kResamplerBufferSize) + "almost" an
    // FFT buffer (PART_LEN2 - 1).
    aecpc->far_pre_buf = WebRtc_CreateBuffer(PART_LEN2 + kResamplerBufferSize,
                                             sizeof(float));
    if (!aecpc->far_pre_buf) {
        WebRtcAec_Free(aecpc);
        aecpc = NULL;
        return -1;
    }

    aecpc->initFlag = 0;
    aecpc->lastError = 0;

#ifdef WEBRTC_AEC_DEBUG_DUMP
    aecpc->far_pre_buf_s16 = WebRtc_CreateBuffer(
        PART_LEN2 + kResamplerBufferSize, sizeof(int16_t));
    if (!aecpc->far_pre_buf_s16) {
        WebRtcAec_Free(aecpc);
        aecpc = NULL;
        return -1;
    }
    {
      char filename[64];
      sprintf(filename, "aec_buf%d.dat", webrtc_aec_instance_count);
      aecpc->bufFile = fopen(filename, "wb");
      sprintf(filename, "aec_skew%d.dat", webrtc_aec_instance_count);
      aecpc->skewFile = fopen(filename, "wb");
      sprintf(filename, "aec_delay%d.dat", webrtc_aec_instance_count);
      aecpc->delayFile = fopen(filename, "wb");
      webrtc_aec_instance_count++;
    }
#endif

    return 0;
}

Example #2

File: echo_cancellation.c Project: MichaelKohler/gecko-dev

void* WebRtcAec_Create() {
  Aec* aecpc = malloc(sizeof(Aec));

  if (!aecpc) {
    return NULL;
  }

  aecpc->aec = WebRtcAec_CreateAec();
  if (!aecpc->aec) {
    WebRtcAec_Free(aecpc);
    return NULL;
  }
  aecpc->resampler = WebRtcAec_CreateResampler();
  if (!aecpc->resampler) {
    WebRtcAec_Free(aecpc);
    return NULL;
  }
  // Create far-end pre-buffer. The buffer size has to be large enough for
  // largest possible drift compensation (kResamplerBufferSize) + "almost" an
  // FFT buffer (PART_LEN2 - 1).
  aecpc->far_pre_buf =
      WebRtc_CreateBuffer(PART_LEN2 + kResamplerBufferSize, sizeof(float));
  if (!aecpc->far_pre_buf) {
    WebRtcAec_Free(aecpc);
    return NULL;
  }

  aecpc->initFlag = 0;

#ifdef WEBRTC_AEC_DEBUG_DUMP
  aecpc->bufFile = aecpc->skewFile = aecpc->delayFile = NULL;
  OpenDebugFiles(aecpc, &webrtc_aec_instance_count);
#endif

  return aecpc;
}