C++ (Cpp) sa_stream_get_write_size 예제들

예제 #1

파일: AudioStream.cpp 프로젝트: PinZhang/releases-mozilla-central

uint32_t nsNativeAudioStream::Available()
{
  // If the audio backend failed to open, lie and say we'll accept some
  // data.
  if (mInError)
    return FAKE_BUFFER_SIZE;

  size_t s = 0;
  if (sa_stream_get_write_size(static_cast<sa_stream_t*>(mAudioHandle), &s) != SA_SUCCESS)
    return 0;

  return s / mChannels / sizeof(short);
}

예제 #2

파일: sydney_audio_android.c 프로젝트: sahlberg/timberwolf

int
sa_stream_drain(sa_stream_t *s)
{
  if (s == NULL || s->output_unit == NULL) {
    return SA_ERROR_NO_INIT;
  }

  /* There is no way with the Android SDK to determine exactly how
     long to playback.  So estimate and sleep for the long.
  */

  size_t available;
  sa_stream_get_write_size(s, &available);

  long x = (s->bufferSize - available) * 1000 / s->channels / s->rate / sizeof(int16_t) * NANOSECONDS_IN_MILLISECOND;
  ALOG("%x - Drain - sleep for %f ns", s, x);

  struct timespec ts = {0, x};
  nanosleep(&ts, NULL);

  return SA_SUCCESS;
}