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-rw-r--r--src/audioOutputs/audioOutput_alsa.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/src/audioOutputs/audioOutput_alsa.c b/src/audioOutputs/audioOutput_alsa.c
index ef4ae54ff..013dd70cb 100644
--- a/src/audioOutputs/audioOutput_alsa.c
+++ b/src/audioOutputs/audioOutput_alsa.c
@@ -89,8 +89,15 @@ static void freeAlsaData(AlsaData * ad)
static int alsa_initDriver(AudioOutput * audioOutput, ConfigParam * param)
{
+ /* no need for pthread_once thread-safety when reading config */
+ static int free_global_registered;
AlsaData *ad = newAlsaData();
+ if (!free_global_registered) {
+ atexit((void(*)(void))snd_config_update_free_global);
+ free_global_registered = 1;
+ }
+
if (param) {
BlockParam *bp;
@@ -122,8 +129,6 @@ static int alsa_testDefault(void)
int ret = snd_pcm_open(&handle, default_device,
SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
- snd_config_update_free_global();
-
if (ret) {
WARNING("Error opening default ALSA device: %s\n",
snd_strerror(-ret));
@@ -168,7 +173,6 @@ static int alsa_openDevice(AudioOutput * audioOutput)
err = E(snd_pcm_open, &ad->pcmHandle, ad->device,
SND_PCM_STREAM_PLAYBACK, SND_PCM_NONBLOCK);
- snd_config_update_free_global();
if (err < 0) {
ad->pcmHandle = NULL;
goto error;