void Tracked_Blip_Buffer::remove_all_samples()
{
long avail = samples_avail();
if ( !non_silent() )
remove_silence( avail );
else
remove_samples( avail );
}
int blip_read_samples( blip_buffer_t* s, short out [], int count, int stereo )
{
/* can't read more than available */
int avail = blip_samples_avail( s );
if ( count > avail )
count = avail;
if ( count )
{
/* Sum deltas and write out */
int i;
for ( i = 0; i < count; ++i )
{
int sample;
/* Apply slight high-pass filter */
s->amp -= s->amp >> 9;
/* Add next delta */
s->amp += s->buf [i];
/* Calculate output sample */
sample = s->amp >> phase_bits;
/* Keep within 16-bit sample range */
if ( sample < -32768 ) sample = -32768;
if ( sample > +32767 ) sample = +32767;
out [i << stereo] = sample;
}
remove_samples( s, count );
}
return count;
}
