static int play(void *data, int remaining, int flags)
{
int processed = 0;
int samples = BUFFER_SIZE / (sizeof(s16) * HW_CHANNELS);
s16 *source = (s16 *)data;
while (remaining >= request_size && get_space() >= request_size)
{
copy_channels((s16 *)buffers[buffer_fill], source, samples, processed, remaining);
DCStoreRangeNoSync(buffers[buffer_fill], BUFFER_SIZE);
buffer_fill = (buffer_fill + 1) % BUFFER_COUNT;
processed += request_size;
source += request_size / sizeof(s16);
buffered += BUFFER_SIZE;
remaining -= request_size;
}
if ((flags & AOPLAY_FINAL_CHUNK) && remaining > 0)
{
samples = remaining / (sizeof(s16) * HW_CHANNELS);
memset(buffers[buffer_fill], 0, BUFFER_SIZE);
copy_channels((s16 *)buffers[buffer_fill], source, samples, processed, 0);
DCStoreRangeNoSync(buffers[buffer_fill], BUFFER_SIZE);
buffer_fill = (buffer_fill + 1) % BUFFER_COUNT;
processed += remaining;
buffered += BUFFER_SIZE;
}
if (!playing)// && buffered > request_size)
{
playing = true;
switch_buffers();
AUDIO_StartDMA();
}
return processed;
}
void
stp_channel_convert(const stp_vars_t *v, unsigned *zero_mask)
{
if (input_has_special_channels(v))
generate_special_channels(v);
else if (output_has_gloss(v) && !input_needs_splitting(v))
copy_channels(v);
if (output_needs_gcr(v))
do_gcr(v);
if (input_needs_splitting(v))
split_channels(v, zero_mask);
else
scale_channels(v, zero_mask);
(void) limit_ink(v);
(void) generate_gloss(v, zero_mask);
}
