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alsa: rate limit some warnings

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This commit is contained in:
Wim Taymans 2022-09-21 15:52:24 +02:00
parent 9632145c9a
commit ef39576150
2 changed files with 60 additions and 18 deletions
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52
spa/plugins/alsa/alsa-pcm.c
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@ -511,6 +511,9 @@ int spa_alsa_init(struct state *state, const struct spa_dict *info)
}
CHECK(snd_output_stdio_attach(&state->output, state->log_file, 0), "attach failed");
state->rate_limit.interval = 2 * SPA_NSEC_PER_SEC;
state->rate_limit.burst = 1;
return 0;
}
@ -1779,15 +1782,17 @@ recover:
static int get_avail(struct state *state, uint64_t current_time)
{
int res;
int res, missed;
snd_pcm_sframes_t avail;
if (SPA_UNLIKELY((avail = snd_pcm_avail(state->hndl)) < 0)) {
if ((res = alsa_recover(state, avail)) < 0)
return res;
if ((avail = snd_pcm_avail(state->hndl)) < 0) {
spa_log_warn(state->log, "%s: snd_pcm_avail after recover: %s",
state->props.device, snd_strerror(avail));
if ((missed = ratelimit_test(&state->rate_limit, current_time)) >= 0) {
spa_log_warn(state->log, "%s: (%d missed) snd_pcm_avail after recover: %s",
state->props.device, missed, snd_strerror(avail));
}
avail = state->threshold * 2;
}
} else {
@ -1799,7 +1804,7 @@ static int get_avail(struct state *state, uint64_t current_time)
#if 0
static int get_avail_htimestamp(struct state *state, uint64_t current_time)
{
int res;
int res, missed;
snd_pcm_uframes_t avail;
snd_htimestamp_t tstamp;
uint64_t then;
@ -1808,8 +1813,10 @@ static int get_avail_htimestamp(struct state *state, uint64_t current_time)
if ((res = alsa_recover(state, avail)) < 0)
return res;
if ((res = snd_pcm_htimestamp(state->hndl, &avail, &tstamp)) < 0) {
spa_log_warn(state->log, "%s: snd_pcm_htimestamp error: %s",
state->props.device, snd_strerror(res));
if ((missed = ratelimit_test(&state->rate_limit, current_time)) >= 0) {
spa_log_warn(state->log, "%s: (%d missed) snd_pcm_htimestamp error: %s",
state->props.device, missed, snd_strerror(res));
}
avail = state->threshold * 2;
}
} else {
@ -1985,7 +1992,7 @@ int spa_alsa_write(struct state *state)
const snd_pcm_channel_area_t *my_areas;
snd_pcm_uframes_t written, frames, offset, off, to_write, total_written, max_write;
snd_pcm_sframes_t commitres;
int res = 0;
int res = 0, missed;
size_t frame_size = state->frame_size;
check_position_config(state);
@ -2005,13 +2012,19 @@ int spa_alsa_write(struct state *state)
return res;
if (SPA_UNLIKELY(state->alsa_sync)) {
enum spa_log_level lev;
if (SPA_UNLIKELY(state->alsa_sync_warning)) {
spa_log_warn(state->log, "%s: follower delay:%ld target:%ld thr:%u, resync",
state->props.device, delay, target, state->threshold);
lev = SPA_LOG_LEVEL_WARN;
state->alsa_sync_warning = false;
} else
spa_log_info(state->log, "%s: follower delay:%ld target:%ld thr:%u, resync",
state->props.device, delay, target, state->threshold);
lev = SPA_LOG_LEVEL_INFO;
if ((missed = ratelimit_test(&state->rate_limit, current_time)) >= 0) {
spa_log_lev(state->log, lev, "%s: follower delay:%ld target:%ld thr:%u, "
"resync (%d missed)", state->props.device, delay,
target, state->threshold, missed);
}
if (delay > target)
snd_pcm_rewind(state->hndl, delay - target);
@ -2212,7 +2225,7 @@ int spa_alsa_read(struct state *state)
const snd_pcm_channel_area_t *my_areas;
snd_pcm_uframes_t read, frames, offset;
snd_pcm_sframes_t commitres;
int res = 0;
int res = 0, missed;
check_position_config(state);
@ -2221,7 +2234,6 @@ int spa_alsa_read(struct state *state)
if (state->following && state->alsa_started) {
uint64_t current_time;
snd_pcm_uframes_t avail, delay, target;
uint32_t threshold = state->threshold;
current_time = state->position->clock.nsec;
@ -2234,13 +2246,19 @@ int spa_alsa_read(struct state *state)
return res;
if (state->alsa_sync) {
enum spa_log_level lev;
if (SPA_UNLIKELY(state->alsa_sync_warning)) {
spa_log_warn(state->log, "%s: follower delay:%lu target:%lu thr:%u, resync",
state->props.device, delay, target, threshold);
lev = SPA_LOG_LEVEL_WARN;
state->alsa_sync_warning = false;
} else
spa_log_info(state->log, "%s: follower delay:%lu target:%lu thr:%u, resync",
state->props.device, delay, target, threshold);
lev = SPA_LOG_LEVEL_INFO;
if ((missed = ratelimit_test(&state->rate_limit, current_time)) >= 0) {
spa_log_lev(state->log, lev, "%s: follower delay:%ld target:%ld thr:%u, "
"resync (%d missed)", state->props.device, delay,
target, state->threshold, missed);
}
if (delay < target)
max_read = target - delay;