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Move mix_rate, ouput_latency to AudioDriverManager

Browse source 
Each driver used to define the (same) project settings values
`audio/mix_rate` and `audio/output_latency`, but the setting names are
not driver specific.
Overriding is still possible via platform tags.
This commit is contained in:
Fabio Alessandrelli 2020-05-18 02:31:38 +02:00
parent 245c179bd3
commit 90c7102b51
11 changed files with 24 additions and 21 deletions
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4
drivers/alsa/audio_driver_alsa.cpp
View file

@ -38,7 +38,7 @@
#include <errno.h>
Error AudioDriverALSA::init_device() {
mix_rate = GLOBAL_DEF("audio/mix_rate", DEFAULT_MIX_RATE);
mix_rate = GLOBAL_GET("audio/mix_rate");
speaker_mode = SPEAKER_MODE_STEREO;
channels = 2;
@ -104,7 +104,7 @@ Error AudioDriverALSA::init_device() {
// In ALSA the period size seems to be the one that will determine the actual latency
// Ref: https://www.alsa-project.org/main/index.php/FramesPeriods
unsigned int periods = 2;
int latency = GLOBAL_DEF("audio/output_latency", DEFAULT_OUTPUT_LATENCY);
int latency = GLOBAL_GET("audio/output_latency");
buffer_frames = closest_power_of_2(latency * mix_rate / 1000);
buffer_size = buffer_frames * periods;
period_size = buffer_frames;

6
drivers/coreaudio/audio_driver_coreaudio.cpp
View file

@ -116,7 +116,7 @@ Error AudioDriverCoreAudio::init() {
break;
}
mix_rate = GLOBAL_DEF_RST("audio/mix_rate", DEFAULT_MIX_RATE);
mix_rate = GLOBAL_GET("audio/mix_rate");
zeromem(&strdesc, sizeof(strdesc));
strdesc.mFormatID = kAudioFormatLinearPCM;
@ -131,7 +131,7 @@ Error AudioDriverCoreAudio::init() {
result = AudioUnitSetProperty(audio_unit, kAudioUnitProperty_StreamFormat, kAudioUnitScope_Input, kOutputBus, &strdesc, sizeof(strdesc));
ERR_FAIL_COND_V(result != noErr, FAILED);
int latency = GLOBAL_DEF_RST("audio/output_latency", DEFAULT_OUTPUT_LATENCY);
int latency = GLOBAL_GET("audio/output_latency");
// Sample rate is independent of channels (ref: https://stackoverflow.com/questions/11048825/audio-sample-frequency-rely-on-channels)
buffer_frames = closest_power_of_2(latency * mix_rate / 1000);
@ -403,7 +403,7 @@ Error AudioDriverCoreAudio::capture_init() {
break;
}
mix_rate = GLOBAL_DEF_RST("audio/mix_rate", DEFAULT_MIX_RATE);
mix_rate = GLOBAL_GET("audio/mix_rate");
zeromem(&strdesc, sizeof(strdesc));
strdesc.mFormatID = kAudioFormatLinearPCM;

4
drivers/pulseaudio/audio_driver_pulseaudio.cpp
View file

@ -179,7 +179,7 @@ Error AudioDriverPulseAudio::init_device() {
break;
}
int latency = GLOBAL_DEF_RST("audio/output_latency", DEFAULT_OUTPUT_LATENCY);
int latency = GLOBAL_GET("audio/output_latency");
buffer_frames = closest_power_of_2(latency * mix_rate / 1000);
pa_buffer_size = buffer_frames * pa_map.channels;
@ -237,7 +237,7 @@ Error AudioDriverPulseAudio::init() {
thread_exited = false;
exit_thread = false;
mix_rate = GLOBAL_DEF_RST("audio/mix_rate", DEFAULT_MIX_RATE);
mix_rate = GLOBAL_GET("audio/mix_rate");
pa_ml = pa_mainloop_new();
ERR_FAIL_COND_V(pa_ml == nullptr, ERR_CANT_OPEN);

2
drivers/wasapi/audio_driver_wasapi.cpp
View file

@ -387,7 +387,7 @@ Error AudioDriverWASAPI::finish_capture_device() {
}
Error AudioDriverWASAPI::init() {
mix_rate = GLOBAL_DEF_RST("audio/mix_rate", DEFAULT_MIX_RATE);
mix_rate = GLOBAL_GET("audio/mix_rate");
Error err = init_render_device();
if (err != OK) {

4
drivers/xaudio2/audio_driver_xaudio2.cpp
View file

@ -44,12 +44,12 @@ Error AudioDriverXAudio2::init() {
pcm_open = false;
samples_in = nullptr;
mix_rate = GLOBAL_DEF_RST("audio/mix_rate", DEFAULT_MIX_RATE);
mix_rate = GLOBAL_GET("audio/mix_rate");
// FIXME: speaker_mode seems unused in the Xaudio2 driver so far
speaker_mode = SPEAKER_MODE_STEREO;
channels = 2;
int latency = GLOBAL_DEF_RST("audio/output_latency", DEFAULT_OUTPUT_LATENCY);
int latency = GLOBAL_GET("audio/output_latency");
buffer_size = closest_power_of_2(latency * mix_rate / 1000);
samples_in = memnew_arr(int32_t, buffer_size * channels);

4
platform/android/audio_driver_jandroid.cpp
View file

@ -73,9 +73,9 @@ Error AudioDriverAndroid::init() {
// __android_log_print(ANDROID_LOG_VERBOSE, "SDL", "SDL audio: opening device");
JNIEnv *env = ThreadAndroid::get_env();
int mix_rate = GLOBAL_DEF_RST("audio/mix_rate", 44100);
int mix_rate = GLOBAL_GET("audio/mix_rate");
int latency = GLOBAL_DEF_RST("audio/output_latency", 25);
int latency = GLOBAL_GET("audio/output_latency");
unsigned int buffer_size = next_power_of_2(latency * mix_rate / 1000);
print_verbose("Audio buffer size: " + itos(buffer_size));

4
platform/haiku/audio_driver_media_kit.cpp
View file

@ -39,11 +39,11 @@ int32_t *AudioDriverMediaKit::samples_in = nullptr;
Error AudioDriverMediaKit::init() {
active = false;
mix_rate = GLOBAL_DEF_RST("audio/mix_rate", DEFAULT_MIX_RATE);
mix_rate = GLOBAL_GET("audio/mix_rate");
speaker_mode = SPEAKER_MODE_STEREO;
channels = 2;
int latency = GLOBAL_DEF_RST("audio/output_latency", DEFAULT_OUTPUT_LATENCY);
int latency = GLOBAL_GET("audio/output_latency");
buffer_size = next_power_of_2(latency * mix_rate / 1000);
samples_in = memnew_arr(int32_t, buffer_size * channels);

4
platform/javascript/audio_driver_javascript.cpp
View file

@ -64,8 +64,8 @@ void AudioDriverJavaScript::process_capture(float sample) {
}
Error AudioDriverJavaScript::init() {
int mix_rate = GLOBAL_DEF_RST("audio/mix_rate", DEFAULT_MIX_RATE);
int latency = GLOBAL_DEF_RST("audio/output_latency", DEFAULT_OUTPUT_LATENCY);
int mix_rate = GLOBAL_GET("audio/mix_rate");
int latency = GLOBAL_GET("audio/output_latency");
/* clang-format off */
_driver_id = EM_ASM_INT({

4
servers/audio/audio_driver_dummy.cpp
View file

@ -39,11 +39,11 @@ Error AudioDriverDummy::init() {
exit_thread = false;
samples_in = nullptr;
mix_rate = DEFAULT_MIX_RATE;
mix_rate = GLOBAL_GET("audio/mix_rate");
speaker_mode = SPEAKER_MODE_STEREO;
channels = 2;
int latency = GLOBAL_DEF_RST("audio/output_latency", DEFAULT_OUTPUT_LATENCY);
int latency = GLOBAL_GET("audio/output_latency");
buffer_frames = closest_power_of_2(latency * mix_rate / 1000);
samples_in = memnew_arr(int32_t, buffer_frames * channels);

3
servers/audio_server.cpp
View file

@ -182,6 +182,9 @@ int AudioDriverManager::get_driver_count() {
void AudioDriverManager::initialize(int p_driver) {
GLOBAL_DEF_RST("audio/enable_audio_input", false);
GLOBAL_DEF_RST("audio/mix_rate", DEFAULT_MIX_RATE);
GLOBAL_DEF_RST("audio/output_latency", DEFAULT_OUTPUT_LATENCY);
int failed_driver = -1;
// Check if there is a selected driver

6
servers/audio_server.h
View file

@ -80,9 +80,6 @@ public:
SPEAKER_SURROUND_71,
};
static const int DEFAULT_MIX_RATE = 44100;
static const int DEFAULT_OUTPUT_LATENCY = 15;
static AudioDriver *get_singleton();
void set_singleton();
@ -129,6 +126,9 @@ class AudioDriverManager {
MAX_DRIVERS = 10
};
static const int DEFAULT_MIX_RATE = 44100;
static const int DEFAULT_OUTPUT_LATENCY = 15;
static AudioDriver *drivers[MAX_DRIVERS];
static int driver_count;