static void
Flush( filter_t *p_filter )
{
filter_sys_t *p_sys = p_filter->p_sys;
if( p_sys->last_soxr )
{
soxr_clear( p_sys->last_soxr );
p_sys->i_last_olen = 0;
p_sys->last_soxr = NULL;
}
}
void DSD2PCM::Reset()
{
buffer.clear();
buffer_stored = 0;
for (int ch = 0; ch < channels; ++ch) {
ds[ch].reset();
ns[ch].reset();
}
flush_phase = false;
soxr_clear(soxr);
}
static block_t *
SoXR_Resample( filter_t *p_filter, soxr_t soxr, block_t *p_in, size_t i_olen )
{
filter_sys_t *p_sys = p_filter->p_sys;
size_t i_idone, i_odone;
const size_t i_oframesize = p_filter->fmt_out.audio.i_bytes_per_frame;
const size_t i_ilen = p_in ? p_in->i_nb_samples : 0;
block_t *p_out = i_ilen >= i_olen ? p_in
: block_Alloc( i_olen * i_oframesize );
soxr_error_t error = soxr_process( soxr, p_in ? p_in->p_buffer : NULL,
i_ilen, &i_idone, p_out->p_buffer,
i_olen, &i_odone );
if( error )
{
msg_Err( p_filter, "soxr_process failed: %s", soxr_strerror( error ) );
block_Release( p_out );
goto error;
}
if( unlikely( i_idone < i_ilen ) )
msg_Err( p_filter, "lost %zd of %zd input frames",
i_ilen - i_idone, i_idone);
p_out->i_buffer = i_odone * i_oframesize;
p_out->i_nb_samples = i_odone;
p_out->i_length = vlc_tick_from_samples(i_odone, p_filter->fmt_out.audio.i_rate);
if( p_in )
{
p_sys->i_last_olen = i_olen;
p_sys->last_soxr = soxr;
}
else
{
soxr_clear( soxr );
p_sys->i_last_olen = 0;
p_sys->last_soxr = NULL;
}
error:
if( p_in && p_out != p_in )
block_Release( p_in );
return p_out;
}
