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alsa: warn when the htimestamp seems wrong

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The htimestamp should be close to the current_time, if it is further
away that the threshold, something is wrong.
This commit is contained in:
Wim Taymans 2023-06-29 15:56:43 +02:00
parent 98f138dbe0
commit 3dab0091bb
1 changed files with 6 additions and 1 deletions
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7
spa/plugins/alsa/alsa-pcm.c
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@ -2014,7 +2014,12 @@ static int get_avail(struct state *state, uint64_t current_time, snd_pcm_uframes
spa_log_trace_fp(state->log, "%"PRIu64" %"PRIu64" %"PRIi64, current_time, then, diff);
*delay += diff;
if (SPA_ABS(diff) < state->threshold) {
*delay += diff;
} else if ((missed = ratelimit_test(&state->rate_limit, current_time)) >= 0) {
spa_log_warn(state->log, "%s: (%d missed) impossible htimestamp diff:%"PRIi64,
state->props.device, missed, diff);
}
}
return SPA_MIN(avail, state->buffer_frames);
}