Method write

Audio/AudioPlayback.cpp:534–580

}

void
AudioPlayback::write(const SUCOMPLEX *samples, SUSCOUNT size)
{
  unsigned int bufferSize = this->bufferSize;

  while (size > 0 && this->running && this->ready) {
    SUSCOUNT chunk = size;
    SUSCOUNT remaining;
    float *start;

    // No current buffer, try to allocate
    if (this->current_buffer == nullptr) {
      this->ptr = 0;
      if ((this->current_buffer = this->bufferList.reserve()) == nullptr) {
        // Somehow the playback thread is slow...
        return;
      }
    }

    start = this->current_buffer + this->ptr;

    if (chunk > bufferSize - this->ptr)
      chunk = bufferSize - this->ptr;
    remaining = chunk;

    while (remaining-- > 0)
      *start++ = SU_C_REAL(*samples++);

    this->ptr += chunk;
    size -= chunk;

    // Buffer full, send to playback thread.
    if (this->ptr == bufferSize) {
      this->current_buffer = nullptr;
      this->bufferList.commit();

      // If buffering, we wait until we have SIGDIGGER_AUDIO_BUFFER_MIN
      // buffers full. When that happens, we restart the thread.
      if (this->buffering) {
        if (++this->completed == SIGDIGGER_AUDIO_BUFFER_MIN) {
          emit restart();
          this->buffering = false;
        }
      }
    }
  }
}

void
AudioPlayback::onReady(void)