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audioconvert: improve resampler

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Also emit port info the the merger monitor ports.
Proxy params and buffers to the right monitor ports.
fmtconvert does not always have dsp ports
Increase resampler output buffer sizes so that we can up and downsample.
Fix little off by one in native resampler.
Fix passthrough in speex resampler.
This commit is contained in:
Wim Taymans 2019-04-23 17:34:27 +02:00
parent b7cc9ea102
commit 2912d2506f
7 changed files with 93 additions and 38 deletions
Download patch file Download diff file Expand all files Collapse all files

6
spa/plugins/audioconvert/resample-speex.h
View file

@ -33,8 +33,9 @@ static void impl_speex_free(struct resample *r)
static void impl_speex_update_rate(struct resample *r, double rate)
{
r->rate = rate;
speex_resampler_set_rate_frac(r->data,
r->i_rate * rate, r->o_rate, r->i_rate, r->o_rate);
r->i_rate / rate, r->o_rate, r->i_rate, r->o_rate);
}
static void impl_speex_process(struct resample *r,
@ -43,7 +44,7 @@ static void impl_speex_process(struct resample *r,
{
uint32_t c, i, o;
if (r->i_rate == r->o_rate) {
if (r->i_rate == r->o_rate && r->rate == 1.0) {
o = i = SPA_MIN(*in_len, *out_len);
for (c = 0; c < r->channels; c++)
spa_memcpy(dst[c], src[c], o * sizeof(float));
@ -67,6 +68,7 @@ static int impl_speex_init(struct resample *r)
{
int err;
r->rate = 1.0;
r->free = impl_speex_free;
r->update_rate = impl_speex_update_rate;
r->process = impl_speex_process;