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resample: fix start position of new samples

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When we finished processing the history it might be possible that we
need to skip some samples from the input. Implement this by adding
a start offset for the samples in the buffer.
This commit is contained in:
Wim Taymans 2020-02-13 16:43:06 +01:00
parent 0a26c478f7
commit 761119f640
2 changed files with 19 additions and 17 deletions
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7
spa/plugins/audioconvert/resample-native.h
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@ -184,7 +184,7 @@ static void impl_native_process(struct resample *r,
* and we try to process it */
in = hist + refill;
out = *out_len;
data->func(r, (const void**)history, &in, dst, 0, &out);
data->func(r, (const void**)history, 0, &in, dst, 0, &out);
spa_log_trace_fp(r->log, "native %p: in:%d/%d out %d/%d hist:%d",
r, hist + refill, in, *out_len, out, hist);
} else {
@ -192,10 +192,11 @@ static void impl_native_process(struct resample *r,
}
if (in >= hist) {
int skip = in - hist;
/* we are past the history and can now work on the new
* input data */
in = *in_len;
data->func(r, src, &in, dst, out, out_len);
in = *in_len - skip;
data->func(r, src, skip, &in, dst, out, out_len);
spa_log_trace_fp(r->log, "native %p: in:%d/%d out %d/%d",
r, *in_len, in, *out_len, out);