alsa: reverted the default buffer_time to 500 ms

Commit dd7711d8 removed MPD's default ALSA buffer_time. The result was a buffer size which was way too small for playing streams on some sound hardware, and caused skips and distorted sound. Revert the default to 500 ms.

alsa: reverted the default buffer_time to 500 ms
4ca24f22 · Max Kellermann · 7e568faa · 4ca24f22
Commit 4ca24f22 authored Dec 01, 2008 by Max Kellermann
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alsa_plugin.c src/output/alsa_plugin.c +5 -1

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--- a/src/output/alsa_plugin.c
+++ b/src/output/alsa_plugin.c
@@ -28,6 +28,10 @@

 static const char default_device[] = "default";

+enum {
+	MPD_ALSA_BUFFER_TIME_US = 500000,
+};
+
 #define MPD_ALSA_RETRY_NR 5

 typedef snd_pcm_sframes_t alsa_writei_t(snd_pcm_t * pcm, const void *buffer,
@@ -62,7 +66,7 @@ static AlsaData *newAlsaData(void)
 	ret->pcmHandle = NULL;
 	ret->writei = snd_pcm_writei;
 	ret->useMmap = 0;
-	ret->buffer_time = 0;
+	ret->buffer_time = MPD_ALSA_BUFFER_TIME_US;
 	ret->period_time = 0;

 	return ret;