Method Open

stream_audio/streamaudio.cpp:340–390

flags specify what type of stream it is.

float AudioStream::GetVolume() { return m_volume; }
//	flags specify what type of stream it is.
bool AudioStream::Open(const char *filename, int open_flags) {
  // don't open a stream that's already open, or bogus filename
  if (m_state != STRM_INVALID) {
    AudioStream::Close();
    //	Int3();
    //	return false;
  }
  if (m_archive.Opened() || !filename)
    return false;
  if (!m_ll_sndsys)
    return false;
  m_state = STRM_INVALID;
  m_streamindex = -1;
  m_flags = open_flags;
  m_curmeasure = 0;
  m_volume = 1.0f;
  m_bufsize = SAMPLES_PER_STREAM_BUF * 4;
  m_measure_timer = 0.0f;
  m_measure_time = 0.0f;
  m_last_frametime = 0.0f;
  m_readahead_finished_loop = false;
  m_curid = -1;
  m_nbufs = 0;
  m_start_on_frame = m_start_on_frame_looped = false;
  //	open up stream file
  if (m_archive.Open(filename)) {
    int i;
    int nbufs;
    ASSERT(m_archive.StreamType() == OSF_DIGITAL_STRM);
    m_thisid++;
    m_curid = m_thisid;

    for (i = 0; i < STRM_BUFCOUNT; i++) {
      m_buffer[i].flags = 0;
      m_buffer[i].nbytes = 0;
      m_buffer[i].data = NULL;
      m_buffer[i].id = -1; // marks stream buffer to be allocated.
    }
    // gradual streams don't readahead yet.
    nbufs = CHECK_FLAG(m_flags, STRM_OPNF_GRADUAL) ? 1 : STRM_BUFCOUNT;

    if (!AudioStream::ReopenDigitalStream(0, nbufs)) {
      return false;
    }
    AudioStream::SetLoopCount(1);
    m_laststate = m_state;
    m_state = STRM_STOPPED;
    return true;
  }
  return false;
}
//	deallocates all stream buffers and decoder.
void AudioStream::Close() {
  int i;