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X-Git-Url: https://git.videolan.org/?p=vlc.git;a=blobdiff_plain;f=modules%2Faudio_output%2Falsa.c;h=4e9fd53592d048baa8b57f30df15ab5806139d07;hp=2d1f99e9cb743bca12c6bdf32cc84a92d07fda8b;hb=47f74a83c161173b0d15e95dab8ceb7c97de51b4;hpb=6ae2905ef7fbc7de3a3a4a1bdf8ad6df46ce570a
diff --git a/modules/audio_output/alsa.c b/modules/audio_output/alsa.c
index 2d1f99e..4e9fd53 100644
--- a/modules/audio_output/alsa.c
+++ b/modules/audio_output/alsa.c
@@ -495,6 +495,15 @@ static int Start (audio_output_t *aout, audio_sample_format_t *restrict fmt)
}
sys->rate = fmt->i_rate;
+#if 1 /* work-around for period-long latency outputs (e.g. PulseAudio): */
+ param = AOUT_MIN_PREPARE_TIME;
+ val = snd_pcm_hw_params_set_period_time_near (pcm, hw, ¶m, NULL);
+ if (val)
+ {
+ msg_Err (aout, "cannot set period: %s", snd_strerror (val));
+ goto error;
+ }
+#endif
/* Set buffer size */
param = AOUT_MAX_ADVANCE_TIME;
val = snd_pcm_hw_params_set_buffer_time_near (pcm, hw, ¶m, NULL);
@@ -503,14 +512,22 @@ static int Start (audio_output_t *aout, audio_sample_format_t *restrict fmt)
msg_Err (aout, "cannot set buffer duration: %s", snd_strerror (val));
goto error;
}
-
- param = AOUT_MIN_PREPARE_TIME;
+#if 0
+ val = snd_pcm_hw_params_get_buffer_time (hw, ¶m, NULL);
+ if (val)
+ {
+ msg_Warn (aout, "cannot get buffer time: %s", snd_strerror(val));
+ param = AOUT_MIN_PREPARE_TIME;
+ }
+ else
+ param /= 2;
val = snd_pcm_hw_params_set_period_time_near (pcm, hw, ¶m, NULL);
if (val)
{
msg_Err (aout, "cannot set period: %s", snd_strerror (val));
goto error;
}
+#endif
/* Commit hardware parameters */
val = snd_pcm_hw_params (pcm, hw);
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