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echo-cancel: Skip processing till there's enough data

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This makes sure that we only perform any processing (resync or actual
cancellation) after the source provides enough data to actuall run the
canceller.
This commit is contained in:
Arun Raghavan 2011-10-05 12:29:10 +05:30
parent cee6011572
commit 17011fcf70
1 changed files with 8 additions and 4 deletions
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12
src/modules/echo-cancel/module-echo-cancel.c
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@ -665,15 +665,19 @@ static void source_output_push_cb(pa_source_output *o, const pa_memchunk *chunk)
while (pa_asyncmsgq_process_one(u->asyncmsgq) > 0) while (pa_asyncmsgq_process_one(u->asyncmsgq) > 0)
; ;
if (pa_atomic_cmpxchg (&u->request_resync, 1, 0)) {
do_resync(u);
}
pa_memblockq_push_align(u->source_memblockq, chunk); pa_memblockq_push_align(u->source_memblockq, chunk);
rlen = pa_memblockq_get_length(u->source_memblockq); rlen = pa_memblockq_get_length(u->source_memblockq);
plen = pa_memblockq_get_length(u->sink_memblockq); plen = pa_memblockq_get_length(u->sink_memblockq);
/* Let's not do anything else till we have enough data to process */
if (rlen < u->blocksize)
return;
if (pa_atomic_cmpxchg (&u->request_resync, 1, 0)) {
do_resync(u);
}
while (rlen >= u->blocksize) { while (rlen >= u->blocksize) {
pa_memchunk rchunk, pchunk; pa_memchunk rchunk, pchunk;