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plugins: simplify target_ handling

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Drivers should only read the target_ values in the timeout, update the
timeout with the new duration and then update the position.

For the position we simply need to add the previous duration to the
position and then set the new duration + rate.

Otherwise, everything else should read the duration/rate and not use
the target_ values.
This commit is contained in:
Wim Taymans 2023-03-24 11:20:01 +01:00
parent f309543810
commit 7b6680ba57
13 changed files with 132 additions and 154 deletions
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17
spa/plugins/alsa/alsa-compress-offload-sink.c
View file

@ -702,19 +702,24 @@ static void on_driver_timeout(struct spa_source *source)
return;
}
}
if (SPA_LIKELY(this->node_position_io != NULL)) {
this->node_position_io->clock.duration = this->node_position_io->clock.target_duration;
this->node_position_io->clock.rate = this->node_position_io->clock.target_rate;
}
check_position_and_clock_config(this);
if (SPA_LIKELY(this->node_position_io != NULL)) {
this->cycle_duration = this->node_position_io->clock.target_duration;
this->cycle_rate = this->node_position_io->clock.target_rate.denom;
} else {
/* This can happen at the very beginning if node_position_io
* isn't passed to this node in time. */
this->cycle_duration = 1024;
this->cycle_rate = 48000;
}
current_time = this->next_driver_time;
this->next_driver_time += ((uint64_t)(this->cycle_duration)) * 1000000000ULL / this->cycle_rate;
if (this->node_clock_io != NULL) {
this->node_clock_io->nsec = current_time;
this->node_clock_io->position += this->cycle_duration;
this->node_clock_io->rate = this->node_clock_io->target_rate;
this->node_clock_io->position += this->node_clock_io->duration;
this->node_clock_io->duration = this->cycle_duration;
this->node_clock_io->delay = 0;
this->node_clock_io->rate_diff = 1.0;