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Code Issues Releases Wiki Activity

ao_coreaudio: restore old physical format if format was changed

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This commit is contained in:
wm4 2015-05-05 21:58:51 +02:00
parent 0025030cef
commit 86d65c80e1
1 changed files with 16 additions and 0 deletions
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16
audio/out/ao_coreaudio.c
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@ -35,6 +35,9 @@ struct priv {
uint64_t hw_latency_us;
AudioStreamBasicDescription original_asbd;
AudioStreamID original_asbd_stream;
int change_physical_format;
};
@ -211,6 +214,12 @@ static void init_physical_format(struct ao *ao)
}
if (best_asbd.mFormatID) {
p->original_asbd_stream = streams[i];
err = CA_GET(p->original_asbd_stream,
kAudioStreamPropertyPhysicalFormat,
&p->original_asbd);
CHECK_CA_WARN("could not get current physical stream format");
ca_print_asbd(ao, "Trying to set physical format:", &best_asbd);
err = CA_SET(streams[i], kAudioStreamPropertyPhysicalFormat,
&best_asbd);
@ -313,6 +322,13 @@ static void uninit(struct ao *ao)
AudioOutputUnitStop(p->audio_unit);
AudioUnitUninitialize(p->audio_unit);
AudioComponentInstanceDispose(p->audio_unit);
if (p->original_asbd.mFormatID) {
OSStatus err = CA_SET(p->original_asbd_stream,
kAudioStreamPropertyPhysicalFormat,
&p->original_asbd);
CHECK_CA_WARN("could not restore physical stream format");
}
}
static OSStatus hotplug_cb(AudioObjectID id, UInt32 naddr,