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alsa: init variable correctly

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We need to initialize the frames variable correctly before calling mmap.
Also initialize the now timer when starting.
This commit is contained in:
Wim Taymans 2018-09-24 10:36:53 +02:00
parent 30316df5c8
commit 0aca605bfb
1 changed files with 3 additions and 2 deletions
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5
spa/plugins/alsa/alsa-utils.c
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@ -430,14 +430,14 @@ int spa_alsa_write(struct state *state, snd_pcm_uframes_t silence)
{ {
snd_pcm_t *hndl = state->hndl; snd_pcm_t *hndl = state->hndl;
const snd_pcm_channel_area_t *my_areas; const snd_pcm_channel_area_t *my_areas;
snd_pcm_uframes_t written, frames, offset, off, to_write; snd_pcm_uframes_t written, frames = state->buffer_frames, offset, off, to_write;
int res; int res;
if ((res = snd_pcm_mmap_begin(hndl, &my_areas, &offset, &frames)) < 0) { if ((res = snd_pcm_mmap_begin(hndl, &my_areas, &offset, &frames)) < 0) {
spa_log_error(state->log, "snd_pcm_mmap_begin error: %s", snd_strerror(res)); spa_log_error(state->log, "snd_pcm_mmap_begin error: %s", snd_strerror(res));
return res; return res;
} }
spa_log_trace(state->log, "begin %ld %ld", offset, frames); spa_log_trace(state->log, "begin %ld %ld %d", offset, frames, state->threshold);
silence = SPA_MIN(silence, frames); silence = SPA_MIN(silence, frames);
to_write = frames; to_write = frames;
@ -787,6 +787,7 @@ int spa_alsa_start(struct state *state, bool xrun_recover)
state->alsa_started = true; state->alsa_started = true;
} }
clock_gettime(CLOCK_MONOTONIC, &state->now);
ts.it_value.tv_sec = 0; ts.it_value.tv_sec = 0;
ts.it_value.tv_nsec = 1; ts.it_value.tv_nsec = 1;
ts.it_interval.tv_sec = 0; ts.it_interval.tv_sec = 0;