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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-source.c
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@ -406,6 +406,7 @@ static int try_recover(struct userdata *u, const char *call, int err) {
static size_t check_left_to_record(struct userdata *u, size_t n_bytes, pa_bool_t on_timeout) {
size_t left_to_record;
size_t rec_space = u->hwbuf_size - u->hwbuf_unused;
pa_bool_t overrun = FALSE;
/* We use <= instead of < for this check here because an overrun
* only happens after the last sample was processed, not already when
@ -418,6 +419,7 @@ static size_t check_left_to_record(struct userdata *u, size_t n_bytes, pa_bool_t
/* We got a dropout. What a mess! */
left_to_record = 0;
overrun = TRUE;
#ifdef DEBUG_TIMING
PA_DEBUG_TRAP;
@ -434,7 +436,7 @@ static size_t check_left_to_record(struct userdata *u, size_t n_bytes, pa_bool_t
if (u->use_tsched) {
pa_bool_t reset_not_before = TRUE;
if (left_to_record < u->watermark_inc_threshold)
if (overrun || left_to_record < u->watermark_inc_threshold)
increase_watermark(u);
else if (left_to_record > u->watermark_dec_threshold) {
reset_not_before = FALSE;