C++ (Cpp) snd_pcm_stream_t Exemples

Exemple #1

Fichier : AudioProvider.cpp Projet : Yanzqing/BHumanCodeRelease

AudioProvider::AudioProvider()
{
  unsigned i;
  for(i = 0; i < retries; ++i)
  {
    if(snd_pcm_open(&handle, "hw:0", snd_pcm_stream_t(SND_PCM_STREAM_CAPTURE | SND_PCM_NONBLOCK), 0) >= 0)
      break;
    SystemCall::sleep(retryDelay);
  }
  ASSERT(i < retries);

  snd_pcm_hw_params_t* params;
  VERIFY(!snd_pcm_hw_params_malloc(&params));
  VERIFY(!snd_pcm_hw_params_any(handle, params));
  VERIFY(!snd_pcm_hw_params_set_access(handle, params, SND_PCM_ACCESS_RW_INTERLEAVED));
  VERIFY(!snd_pcm_hw_params_set_format(handle, params, SND_PCM_FORMAT_S16_LE));
  VERIFY(!snd_pcm_hw_params_set_rate_near(handle, params, &sampleRate, 0));
  VERIFY(!snd_pcm_hw_params_set_channels(handle, params, channels));
  VERIFY(!snd_pcm_hw_params(handle, params));
  snd_pcm_hw_params_free(params);

  VERIFY(!snd_pcm_prepare(handle));

  ASSERT(channels <= 4);
  short buf[4];
  VERIFY(snd_pcm_readi(handle, buf, 1) >= 0);
}

Exemple #2

Fichier : AudioProvider.cpp Projet : weilandetian/Yoyo

AudioProvider::AudioProvider()
{
  allChannels ? channels = 4 : channels = 2;
  int brokenFirst = (theDamageConfigurationHead.audioChannelsDefect[0] ? 1 : 0) + (theDamageConfigurationHead.audioChannelsDefect[1] ? 1 : 0);
  int brokenSecond = (theDamageConfigurationHead.audioChannelsDefect[2] ? 1 : 0) + (theDamageConfigurationHead.audioChannelsDefect[3] ? 1 : 0);
  unsigned i;
  for(i = 0; i < retries; ++i)
  {
    if(snd_pcm_open(&handle, allChannels ? "4channelsDeinterleaved" : brokenFirst > brokenSecond ? "hw:0,0,1" : "hw:0",
                    snd_pcm_stream_t(SND_PCM_STREAM_CAPTURE | SND_PCM_NONBLOCK), 0) >= 0)
      break;
    Thread::sleep(retryDelay);
  }
  ASSERT(i < retries);

  snd_pcm_hw_params_t* params;
  VERIFY(!snd_pcm_hw_params_malloc(&params));
  VERIFY(!snd_pcm_hw_params_any(handle, params));
  VERIFY(!snd_pcm_hw_params_set_access(handle, params, SND_PCM_ACCESS_RW_INTERLEAVED));
  VERIFY(!snd_pcm_hw_params_set_format(handle, params, SND_PCM_FORMAT_S16_LE));
  VERIFY(!snd_pcm_hw_params_set_rate_near(handle, params, &sampleRate, 0));
  VERIFY(!snd_pcm_hw_params_set_channels(handle, params, channels));
  VERIFY(!snd_pcm_hw_params(handle, params));
  snd_pcm_hw_params_free(params);

  VERIFY(!snd_pcm_prepare(handle));

  ASSERT(channels <= 4);
  short buf[4];
  VERIFY(snd_pcm_readi(handle, buf, 1) >= 0);
}