/* -------------------------------------------------
/ sx_audio_sink_buffer_get()
/
/---------------------------------------------------*/
UINT8 *sx_audio_sink_buffer_get(void){
UINT8 *buf = audioplay_get_buffer(st);
assert(buf != NULL);
return buf;
}
void PlayBuffer(short *PCMData, int size)
{
AUDIOPLAY_STATE_T *st;
int32_t ret;
int phase = 0;
int inc = 256<<16;
int dinc = 0;
int buffer_bytes = (BUFFER_SIZE_SAMPLES * bitdepth * OUT_CHANNELS(nchannels))>>3;
ret = audioplay_create(&st, samplerate, nchannels, bitdepth, bufferCount, buffer_bytes);
ret = audioplay_set_dest(st, audio_dest[dest]);
int sectorNumber= (size-1)/BUFFER_SIZE_SAMPLES+1;
int i;
for (i=0;i<sectorNumber;i++)
{
uint8_t *buf;
int16_t *p;
uint32_t latency;
while((buf = audioplay_get_buffer(st)) == NULL)
usleep(CTTW_SLEEP_TIME*1000);
p = (int16_t *) buf;
if ((i+1)*BUFFER_SIZE_SAMPLES<=size)
{
memcpy(p,PCMData+i*BUFFER_SIZE_SAMPLES,sizeof(short)*BUFFER_SIZE_SAMPLES);
}
else
{
memcpy(p,PCMData+i*BUFFER_SIZE_SAMPLES,sizeof(short)*(size-i*BUFFER_SIZE_SAMPLES));
memset(p+size-i*BUFFER_SIZE_SAMPLES,0,sizeof(short)*((i+1)*BUFFER_SIZE_SAMPLES-size));
}
// try and wait for a minimum latency time (in ms) before
// sending the next packet
while((latency = audioplay_get_latency(st)) > (samplerate * (MIN_LATENCY_TIME + CTTW_SLEEP_TIME) / 1000))
usleep(CTTW_SLEEP_TIME*1000);
//if (i==m_CurPlayStartSector) usleep(CTTW_SLEEP_TIME*1000);
ret = audioplay_play_buffer(st, buf, buffer_bytes);
}
audioplay_delete(st);
}
