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Bug 774454 - Fix PA detection hack in sydneyaudio ALSA backend. r=doublec

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--HG--
extra : rebase_source : 30da2a2bb07ddc52a40417402a258e53ad2c87e5
This commit is contained in:
Matthew Gregan 2012-07-16 17:10:02 -04:00
parent 525de357d7
commit 8793cf97c5
1 changed files with 4 additions and 3 deletions
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7
media/libsydneyaudio/src/sydney_audio_alsa.c
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@ -7,6 +7,8 @@
#include <alsa/asoundlib.h>
#include "sydney_audio.h"
#define ALSA_PA_PLUGIN "ALSA <-> PulseAudio PCM I/O Plugin"
/* ALSA implementation based heavily on sydney_audio_mac.c */
pthread_mutex_t sa_alsa_mutex = PTHREAD_MUTEX_INITIALIZER;
@ -143,9 +145,8 @@ sa_stream_open(sa_stream_t *s) {
snd_output_buffer_open(&out);
snd_pcm_dump(s->output_unit, out);
bufsz = snd_output_buffer_string(out, &buf);
if (strncmp(buf, "ALSA <-> PulseAudio PCM I/O Plugin", bufsz) > 0 ) {
s->pulseaudio = 1;
}
s->pulseaudio = bufsz >= strlen(ALSA_PA_PLUGIN) &&
strncmp(buf, ALSA_PA_PLUGIN, strlen(ALSA_PA_PLUGIN)) == 0;
snd_output_close(out);
snd_pcm_hw_params_alloca(&hwparams);