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slave -> follower

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We use master/follower terminology everywhere.
This commit is contained in:
Wim Taymans 2020-02-21 10:47:32 +01:00
parent bdeeebfdd4
commit a528189d26
22 changed files with 301 additions and 300 deletions
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56
spa/plugins/alsa/alsa-pcm.c
View file

@ -647,7 +647,7 @@ static int get_status(struct state *state, snd_pcm_uframes_t *delay, snd_pcm_ufr
}
static int update_time(struct state *state, uint64_t nsec, snd_pcm_sframes_t delay,
snd_pcm_sframes_t target, bool slave)
snd_pcm_sframes_t target, bool follower)
{
double err, corr;
@ -669,8 +669,8 @@ static int update_time(struct state *state, uint64_t nsec, snd_pcm_sframes_t del
if (state->last_threshold != state->threshold) {
int32_t diff = (int32_t) (state->last_threshold - state->threshold);
spa_log_trace(state->log, NAME" %p: slave:%d quantum change %d",
state, slave, diff);
spa_log_trace(state->log, NAME" %p: follower:%d quantum change %d",
state, follower, diff);
state->next_time += diff / corr * 1e9 / state->rate;
state->last_threshold = state->threshold;
}
@ -682,8 +682,8 @@ static int update_time(struct state *state, uint64_t nsec, snd_pcm_sframes_t del
else if (state->bw == BW_MED)
set_loop(state, BW_MIN);
spa_log_debug(state->log, NAME" %p: slave:%d match:%d rate:%f bw:%f del:%d target:%ld err:%f (%f %f %f)",
state, slave, state->matching, corr, state->bw, state->delay, target,
spa_log_debug(state->log, NAME" %p: follower:%d match:%d rate:%f bw:%f del:%d target:%ld err:%f (%f %f %f)",
state, follower, state->matching, corr, state->bw, state->delay, target,
err, state->z1, state->z2, state->z3);
}
@ -698,7 +698,7 @@ static int update_time(struct state *state, uint64_t nsec, snd_pcm_sframes_t del
state->next_time += state->threshold / corr * 1e9 / state->rate;
if (!slave && state->clock) {
if (!follower && state->clock) {
state->clock->nsec = nsec;
state->clock->position += state->duration;
state->clock->duration = state->duration;
@ -707,8 +707,8 @@ static int update_time(struct state *state, uint64_t nsec, snd_pcm_sframes_t del
state->clock->next_nsec = state->next_time;
}
spa_log_trace_fp(state->log, NAME" %p: slave:%d %"PRIu64" %f %ld %f %f %d",
state, slave, nsec, corr, delay, err, state->threshold * corr,
spa_log_trace_fp(state->log, NAME" %p: follower:%d %"PRIu64" %f %ld %f %f %d",
state, follower, nsec, corr, delay, err, state->threshold * corr,
state->threshold);
return 0;
@ -726,7 +726,7 @@ int spa_alsa_write(struct state *state, snd_pcm_uframes_t silence)
state->threshold = (state->duration * state->rate + state->rate_denom-1) / state->rate_denom;
}
if (state->slaved && state->alsa_started) {
if (state->following && state->alsa_started) {
uint64_t nsec;
snd_pcm_uframes_t delay, target;
@ -734,7 +734,7 @@ int spa_alsa_write(struct state *state, snd_pcm_uframes_t silence)
return res;
if (!state->alsa_recovering && delay > target + state->threshold) {
spa_log_warn(state->log, NAME" %p: slave delay:%ld resync %f %f %f",
spa_log_warn(state->log, NAME" %p: follower delay:%ld resync %f %f %f",
state, delay, state->z1, state->z2, state->z3);
init_loop(state);
state->alsa_sync = true;
@ -927,7 +927,7 @@ int spa_alsa_read(struct state *state, snd_pcm_uframes_t silence)
state->duration = state->position->clock.duration;
state->threshold = (state->duration * state->rate + state->rate_denom-1) / state->rate_denom;
}
if (!state->slaved) {
if (!state->following) {
uint64_t position;
position = state->position->clock.position;
@ -941,7 +941,7 @@ int spa_alsa_read(struct state *state, snd_pcm_uframes_t silence)
}
}
if (state->slaved && state->alsa_started) {
if (state->following && state->alsa_started) {
uint64_t nsec;
snd_pcm_uframes_t delay, target;
uint32_t threshold = state->threshold;
@ -950,13 +950,13 @@ int spa_alsa_read(struct state *state, snd_pcm_uframes_t silence)
return res;
if (!state->alsa_recovering && (delay < target || delay > target * 2)) {
spa_log_warn(state->log, NAME" %p: slave delay:%lu target:%lu resync %f %f %f",
spa_log_warn(state->log, NAME" %p: follower delay:%lu target:%lu resync %f %f %f",
state, delay, target, state->z1, state->z2, state->z3);
init_loop(state);
state->alsa_sync = true;
}
if (state->alsa_sync) {
spa_log_warn(state->log, NAME" %p: slave resync %ld %d %ld",
spa_log_warn(state->log, NAME" %p: follower resync %ld %d %ld",
state, delay, threshold, target);
if (delay < target)
snd_pcm_rewind(state->hndl, target - delay + 32);
@ -1131,7 +1131,7 @@ static int set_timers(struct state *state)
spa_system_clock_gettime(state->data_system, CLOCK_MONOTONIC, &now);
state->next_time = SPA_TIMESPEC_TO_NSEC(&now);
if (state->slaved) {
if (state->following) {
set_timeout(state, 0);
} else {
set_timeout(state, state->next_time);
@ -1139,7 +1139,7 @@ static int set_timers(struct state *state)
return 0;
}
static inline bool is_slaved(struct state *state)
static inline bool is_following(struct state *state)
{
return state->position && state->clock && state->position->clock.id != state->clock->id;
}
@ -1151,8 +1151,8 @@ int spa_alsa_start(struct state *state)
if (state->started)
return 0;
state->slaved = is_slaved(state);
state->matching = state->slaved;
state->following = is_following(state);
state->matching = state->following;
if (state->position) {
int card;
@ -1175,9 +1175,9 @@ int spa_alsa_start(struct state *state)
init_loop(state);
state->safety = 0.0;
spa_log_debug(state->log, NAME" %p: start %d duration:%d rate:%d slave:%d match:%d",
spa_log_debug(state->log, NAME" %p: start %d duration:%d rate:%d follower:%d match:%d",
state, state->threshold, state->duration, state->rate_denom,
state->slaved, state->matching);
state->following, state->matching);
CHECK(set_swparams(state), "swparams");
if (SPA_UNLIKELY(spa_log_level_enabled(state->log, SPA_LOG_LEVEL_DEBUG)))
@ -1218,7 +1218,7 @@ int spa_alsa_start(struct state *state)
return 0;
}
static int do_reslave(struct spa_loop *loop,
static int do_reassign_follower(struct spa_loop *loop,
bool async,
uint32_t seq,
const void *data,
@ -1231,18 +1231,18 @@ static int do_reslave(struct spa_loop *loop,
return 0;
}
int spa_alsa_reslave(struct state *state)
int spa_alsa_reassign_follower(struct state *state)
{
bool slaved;
bool following;
if (!state->started)
return 0;
slaved = is_slaved(state);
if (slaved != state->slaved) {
spa_log_debug(state->log, NAME" %p: reslave %d->%d", state, state->slaved, slaved);
state->slaved = slaved;
spa_loop_invoke(state->data_loop, do_reslave, 0, NULL, 0, true, state);
following = is_following(state);
if (following != state->following) {
spa_log_debug(state->log, NAME" %p: reassign follower %d->%d", state, state->following, following);
state->following = following;
spa_loop_invoke(state->data_loop, do_reassign_follower, 0, NULL, 0, true, state);
}
return 0;
}