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alsa: don't use dll when not rate matching

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Only use the DLL when we are driver or rate matching with
another driver.
This commit is contained in:
Wim Taymans 2022-02-15 15:29:40 +01:00
parent 762a523098
commit dc76ab2291
1 changed files with 8 additions and 4 deletions
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10
spa/plugins/alsa/alsa-pcm.c
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@ -1776,7 +1776,11 @@ static int update_time(struct state *state, uint64_t current_time, snd_pcm_sfram
state->last_threshold = state->threshold;
}
err = SPA_CLAMP(err, -state->max_error, state->max_error);
if (!follower || state->matching)
corr = spa_dll_update(&state->dll, err);
else
corr = 1.0;
if (diff < 0)
state->next_time += diff / corr * 1e9 / state->rate;
@ -1784,10 +1788,10 @@ static int update_time(struct state *state, uint64_t current_time, snd_pcm_sfram
if (SPA_UNLIKELY((state->next_time - state->base_time) > BW_PERIOD)) {
state->base_time = state->next_time;
spa_log_debug(state->log, "%p: follower:%d match:%d rate:%f "
spa_log_debug(state->log, "%s: follower:%d match:%d rate:%f "
"bw:%f thr:%u del:%ld target:%ld err:%f",
state, follower, state->matching, corr, state->dll.bw,
state->threshold, delay, target,
state->props.device, follower, state->matching,
corr, state->dll.bw, state->threshold, delay, target,
err);
}