/* HTS_Audio_close: close audio device */
void HTS_Audio_close(HTS_Audio * as)
{
MMRESULT error;
if (as->buff_size != 0)
HTS_Audio_write_buffer(as);
while (as->now_buff_1 == TRUE)
Sleep(AUDIO_WAIT_BUFF_MS);
while (as->now_buff_2 == TRUE)
Sleep(AUDIO_WAIT_BUFF_MS);
/* stop audio */
error = waveOutReset(as->hwaveout);
if (error != MMSYSERR_NOERROR)
HTS_error(0,
"hts_engine: Cannot stop and reset your output audio device.\n");
/* unprepare */
error = waveOutUnprepareHeader(as->hwaveout, &(as->buff_1), sizeof(WAVEHDR));
if (error != MMSYSERR_NOERROR)
HTS_error(0,
"hts_engine: Cannot cleanup the audio datablocks to play waveform.\n");
error = waveOutUnprepareHeader(as->hwaveout, &(as->buff_2), sizeof(WAVEHDR));
if (error != MMSYSERR_NOERROR)
HTS_error(0,
"hts_engine: Cannot cleanup the audio datablocks to play waveform.\n");
/* close */
error = waveOutClose(as->hwaveout);
if (error != MMSYSERR_NOERROR)
HTS_error(0, "hts_engine: Failed to close your output audio device.\n");
HTS_free(as->buff_1.lpData);
HTS_free(as->buff_2.lpData);
HTS_free(as->buff);
}
/* HTS_Audio_write: send data to audio */
void HTS_Audio_write(HTS_Audio * audio, short data)
{
audio->buff[audio->buff_size++] = data;
if (audio->buff_size == audio->max_buff_size) {
HTS_Audio_write_buffer(audio);
audio->buff_size = 0;
}
}
/* HTS_Audio_write: send data to audio device */
void HTS_Audio_write(HTS_Audio * as, short data)
{
as->buff[as->buff_size] = data;
as->buff_size++;
if (as->buff_size == as->max_buff_size) {
HTS_Audio_write_buffer(as);
as->buff_size = 0;
}
}
/* HTS_Audio_flush: flush remain data */
void HTS_Audio_flush(HTS_Audio * audio)
{
if (audio->buff_size > 0) {
HTS_Audio_write_buffer(audio);
audio->buff_size = 0;
}
while (audio->now_buff_1 == TRUE)
Sleep(AUDIO_WAIT_BUFF_MS);
while (audio->now_buff_2 == TRUE)
Sleep(AUDIO_WAIT_BUFF_MS);
}
