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Code Releases Wiki Activity

Merge pull request #64607 from RandomShaper/safe_audio_threading

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This commit is contained in:
Rémi Verschelde
2022-08-25 10:12:25 +02:00
committed by GitHub
parent 0a5f5c8558 9d546bf05a
commit fa80064779
13 changed files with 76 additions and 84 deletions
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29
drivers/wasapi/audio_driver_wasapi.cpp
View File

@@ -501,11 +501,11 @@ Error AudioDriverWASAPI::init_capture_device(bool reinit) {
}
Error AudioDriverWASAPI::audio_device_finish(AudioDeviceWASAPI *p_device) {
if (p_device->active) {
if (p_device->active.is_set()) {
if (p_device->audio_client) {
p_device->audio_client->Stop();
}
p_device->active = false;
p_device->active.clear();
}
SAFE_RELEASE(p_device->audio_client)
@@ -533,8 +533,7 @@ Error AudioDriverWASAPI::init() {
ERR_PRINT("WASAPI: init_render_device error");
}
exit_thread = false;
thread_exited = false;
exit_thread.clear();
thread.start(thread_func, this);
@@ -684,7 +683,7 @@ void AudioDriverWASAPI::thread_func(void *p_udata) {
uint32_t avail_frames = 0;
uint32_t write_ofs = 0;
while (!ad->exit_thread) {
while (!ad->exit_thread.is_set()) {
uint32_t read_frames = 0;
uint32_t written_frames = 0;
@@ -692,7 +691,7 @@ void AudioDriverWASAPI::thread_func(void *p_udata) {
ad->lock();
ad->start_counting_ticks();
if (ad->audio_output.active) {
if (ad->audio_output.active.is_set()) {
ad->audio_server_process(ad->buffer_frames, ad->samples_in.ptrw());
} else {
for (int i = 0; i < ad->samples_in.size(); i++) {
@@ -758,7 +757,7 @@ void AudioDriverWASAPI::thread_func(void *p_udata) {
}
} else {
ERR_PRINT("WASAPI: Get buffer error");
ad->exit_thread = true;
ad->exit_thread.set();
}
}
} else if (hr == AUDCLNT_E_DEVICE_INVALIDATED) {
@@ -807,7 +806,7 @@ void AudioDriverWASAPI::thread_func(void *p_udata) {
write_ofs = 0;
}
if (ad->audio_input.active) {
if (ad->audio_input.active.is_set()) {
UINT32 packet_length = 0;
BYTE *data;
UINT32 num_frames_available;
@@ -886,8 +885,6 @@ void AudioDriverWASAPI::thread_func(void *p_udata) {
OS::get_singleton()->delay_usec(1000);
}
}
ad->thread_exited = true;
}
void AudioDriverWASAPI::start() {
@@ -896,7 +893,7 @@ void AudioDriverWASAPI::start() {
if (hr != S_OK) {
ERR_PRINT("WASAPI: Start failed");
} else {
audio_output.active = true;
audio_output.active.set();
}
}
}
@@ -910,7 +907,7 @@ void AudioDriverWASAPI::unlock() {
}
void AudioDriverWASAPI::finish() {
exit_thread = true;
exit_thread.set();
thread.wait_to_finish();
finish_capture_device();
@@ -924,19 +921,19 @@ Error AudioDriverWASAPI::capture_start() {
return err;
}
if (audio_input.active) {
if (audio_input.active.is_set()) {
return FAILED;
}
audio_input.audio_client->Start();
audio_input.active = true;
audio_input.active.set();
return OK;
}
Error AudioDriverWASAPI::capture_stop() {
if (audio_input.active) {
if (audio_input.active.is_set()) {
audio_input.audio_client->Stop();
audio_input.active = false;
audio_input.active.clear();
return OK;
}

6
drivers/wasapi/audio_driver_wasapi.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 <audioclient.h>
@@ -48,7 +49,7 @@ class AudioDriverWASAPI : public AudioDriver {
IAudioClient *audio_client = nullptr;
IAudioRenderClient *render_client = nullptr;
IAudioCaptureClient *capture_client = nullptr;
bool active = false;
SafeFlag active;
WORD format_tag = 0;
WORD bits_per_sample = 0;
@@ -76,8 +77,7 @@ class AudioDriverWASAPI : public AudioDriver {
float real_latency = 0.0;
bool using_audio_client_3 = false;
bool thread_exited = false;
mutable bool exit_thread = false;
SafeFlag exit_thread;
static _FORCE_INLINE_ void write_sample(WORD format_tag, int bits_per_sample, BYTE *buffer, int i, int32_t sample);
static _FORCE_INLINE_ int32_t read_sample(WORD format_tag, int bits_per_sample, BYTE *buffer, int i);