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alsa: distuingish real underruns from left_to_play=0

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This commit is contained in:
Lennart Poettering 2009-09-01 04:54:18 +02:00
parent dfe3f90b37
commit 6b6d14626d
2 changed files with 6 additions and 2 deletions
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4
src/modules/alsa/alsa-sink.c
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@ -410,6 +410,7 @@ static int try_recover(struct userdata *u, const char *call, int err) {
static size_t check_left_to_play(struct userdata *u, size_t n_bytes, pa_bool_t on_timeout) {
size_t left_to_play;
pa_bool_t underrun = FALSE;
/* We use <= instead of < for this check here because an underrun
* only happens after the last sample was processed, not already when
@ -422,6 +423,7 @@ static size_t check_left_to_play(struct userdata *u, size_t n_bytes, pa_bool_t o
/* We got a dropout. What a mess! */
left_to_play = 0;
underrun = TRUE;
#ifdef DEBUG_TIMING
PA_DEBUG_TRAP;
@ -443,7 +445,7 @@ static size_t check_left_to_play(struct userdata *u, size_t n_bytes, pa_bool_t o
pa_bool_t reset_not_before = TRUE;
if (!u->first && !u->after_rewind) {
if (left_to_play < u->watermark_inc_threshold)
if (underrun || left_to_play < u->watermark_inc_threshold)
increase_watermark(u);
else if (left_to_play > u->watermark_dec_threshold) {
reset_not_before = FALSE;