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resample: tweak the resampler to keep delay number of samples

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Instead of requiring the upstream node to resubmit the delayed
samples, keep the samples ourselves. The benefit is probably too
small to measure but it simplifies things a lot.
This commit is contained in:
Wim Taymans 2021-01-08 16:35:26 +01:00
parent 84eed9ef6f
commit 7f007b6bca
3 changed files with 12 additions and 12 deletions
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4
spa/plugins/audioconvert/resample-native.c
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@ -226,7 +226,7 @@ static void impl_native_process(struct resample *r,
if (SPA_LIKELY(hist)) {
/* first work on the history if any. */
if (SPA_UNLIKELY(hist < n_taps)) {
if (SPA_UNLIKELY(hist <= n_taps)) {
/* we need at least n_taps to completely process the
* history before we can work on the new input. When
* we have less, refill the history. */
@ -265,7 +265,7 @@ static void impl_native_process(struct resample *r,
r, *in_len, in, *out_len, out);
remain = *in_len - skip - in;
if (remain > 0 && remain < n_taps) {
if (remain > 0 && remain <= n_taps) {
/* not enough input data remaining for more output,
* copy to history */
for (c = 0; c < r->channels; c++)