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core: make sure we always return a valid memblock in sink_input_pop() callbacks

Browse source 
https://bugzilla.redhat.com/show_bug.cgi?id=553607
This commit is contained in:
Lennart Poettering 2010-01-08 21:51:30 +01:00 • committed by Colin Guthrie
parent 699233fb47
commit 345547853b
6 changed files with 24 additions and 6 deletions
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6
src/pulsecore/protocol-simple.c
View file

@ -525,6 +525,7 @@ void pa_simple_protocol_connect(pa_simple_protocol *p, pa_iochannel *io, pa_simp
if (o->playback) {
pa_sink_input_new_data data;
pa_memchunk silence;
size_t l;
pa_sink *sink;
@ -559,6 +560,7 @@ void pa_simple_protocol_connect(pa_simple_protocol *p, pa_iochannel *io, pa_simp
pa_sink_input_set_requested_latency(c->sink_input, DEFAULT_SINK_LATENCY);
l = (size_t) ((double) pa_bytes_per_second(&o->sample_spec)*PLAYBACK_BUFFER_SECONDS);
pa_sink_input_get_silence(c->sink_input, &silence);
c->input_memblockq = pa_memblockq_new(
0,
l,
@ -567,7 +569,9 @@ void pa_simple_protocol_connect(pa_simple_protocol *p, pa_iochannel *io, pa_simp
(size_t) -1,
l/PLAYBACK_BUFFER_FRAGMENTS,
0,
NULL);
&silence);
pa_memblock_unref(silence.memblock);
pa_iochannel_socket_set_rcvbuf(io, l);
pa_atomic_store(&c->playback.missing, (int) pa_memblockq_missing(c->input_memblockq));