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alsa: Update process_usec before going to sleep

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During check_left_to_play/record(), the watermark may increase/decrease. So before
sleeping, update the actural sleep time based on latest watermark.
This commit is contained in:
Wang Xingchao 2011-08-09 10:14:40 -04:00 • committed by Colin Guthrie
parent b4e938e194
commit e564129b8f
2 changed files with 4 additions and 0 deletions
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2
src/modules/alsa/alsa-source.c
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@ -608,6 +608,7 @@ static int mmap_read(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled
if (u->use_tsched) {
*sleep_usec = pa_bytes_to_usec(left_to_record, &u->source->sample_spec);
process_usec = pa_bytes_to_usec(u->tsched_watermark, &u->source->sample_spec);
if (*sleep_usec > process_usec)
*sleep_usec -= process_usec;
@ -737,6 +738,7 @@ static int unix_read(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled
if (u->use_tsched) {
*sleep_usec = pa_bytes_to_usec(left_to_record, &u->source->sample_spec);
process_usec = pa_bytes_to_usec(u->tsched_watermark, &u->source->sample_spec);
if (*sleep_usec > process_usec)
*sleep_usec -= process_usec;