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Make audio thread control flags safe

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This commit is contained in:
Pedro J. Estébanez
2022-08-19 10:38:13 +02:00
parent 35cfaafda8
commit 9d546bf05a
13 changed files with 76 additions and 84 deletions
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27
drivers/pulseaudio/audio_driver_pulseaudio.cpp
View File

@@ -285,9 +285,8 @@ Error AudioDriverPulseAudio::init() {
return ERR_CANT_OPEN;
}
active = false;
thread_exited = false;
exit_thread = false;
active.clear();
exit_thread.clear();
mix_rate = GLOBAL_GET("audio/driver/mix_rate");
@@ -384,7 +383,7 @@ void AudioDriverPulseAudio::thread_func(void *p_udata) {
size_t avail_bytes = 0;
uint64_t default_device_msec = OS::get_singleton()->get_ticks_msec();
while (!ad->exit_thread) {
while (!ad->exit_thread.is_set()) {
size_t read_bytes = 0;
size_t written_bytes = 0;
@@ -392,7 +391,7 @@ void AudioDriverPulseAudio::thread_func(void *p_udata) {
ad->lock();
ad->start_counting_ticks();
if (!ad->active) {
if (!ad->active.is_set()) {
ad->samples_out.fill(0);
} else {
ad->audio_server_process(ad->buffer_frames, ad->samples_in.ptrw());
@@ -462,8 +461,8 @@ void AudioDriverPulseAudio::thread_func(void *p_udata) {
err = ad->init_device();
if (err != OK) {
ad->active = false;
ad->exit_thread = true;
ad->active.clear();
ad->exit_thread.set();
break;
}
}
@@ -501,8 +500,8 @@ void AudioDriverPulseAudio::thread_func(void *p_udata) {
Error err = ad->init_device();
if (err != OK) {
ERR_PRINT("PulseAudio: init_device error");
ad->active = false;
ad->exit_thread = true;
ad->active.clear();
ad->exit_thread.set();
break;
}
@@ -555,8 +554,8 @@ void AudioDriverPulseAudio::thread_func(void *p_udata) {
err = ad->capture_init_device();
if (err != OK) {
ad->active = false;
ad->exit_thread = true;
ad->active.clear();
ad->exit_thread.set();
break;
}
}
@@ -571,12 +570,10 @@ void AudioDriverPulseAudio::thread_func(void *p_udata) {
OS::get_singleton()->delay_usec(1000);
}
}
ad->thread_exited = true;
}
void AudioDriverPulseAudio::start() {
active = true;
active.set();
}
int AudioDriverPulseAudio::get_mix_rate() const {
@@ -661,7 +658,7 @@ void AudioDriverPulseAudio::finish() {
return;
}
exit_thread = true;
exit_thread.set();
thread.wait_to_finish();
finish_device();

6
drivers/pulseaudio/audio_driver_pulseaudio.h
View File

@@ -35,6 +35,7 @@
#include "core/os/mutex.h"
#include "core/os/thread.h"
#include "core/templates/safe_refcount.h"
#include "servers/audio_server.h"
#include "pulse-so_wrap.h"
@@ -70,9 +71,8 @@ class AudioDriverPulseAudio : public AudioDriver {
Array pa_devices;
Array pa_rec_devices;
bool active = false;
bool thread_exited = false;
mutable bool exit_thread = false;
SafeFlag active;
SafeFlag exit_thread;
float latency = 0;