const float *
pcm_dsd_to_float(struct pcm_dsd *dsd, unsigned channels, bool lsbfirst,
const uint8_t *src, size_t src_size,
size_t *dest_size_r)
{
assert(dsd != NULL);
assert(src != NULL);
assert(src_size > 0);
assert(src_size % channels == 0);
assert(channels <= G_N_ELEMENTS(dsd->dsd2pcm));
const unsigned num_samples = src_size;
const unsigned num_frames = src_size / channels;
float *dest;
const size_t dest_size = num_samples * sizeof(*dest);
*dest_size_r = dest_size;
dest = pcm_buffer_get(&dsd->buffer, dest_size);
for (unsigned c = 0; c < channels; ++c) {
if (dsd->dsd2pcm[c] == NULL) {
dsd->dsd2pcm[c] = dsd2pcm_init();
if (dsd->dsd2pcm[c] == NULL)
return NULL;
}
dsd2pcm_translate(dsd->dsd2pcm[c], num_frames,
src + c, channels,
lsbfirst, dest + c, channels);
}
return dest;
}
dxd() : handle(dsd2pcm_init())
{ if (!handle) throw std::runtime_error("wtf?!"); }
