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Fallback to IAudioClient when IAudioClient3 is not available in a more robust way

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This commit is contained in:
Álex Román Núñez 2022-11-05 23:18:51 +01:00
parent 13f1d80960
commit 499928a36d
2 changed files with 38 additions and 40 deletions
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70
drivers/wasapi/audio_driver_wasapi.cpp
View file

@ -127,11 +127,6 @@ static bool default_capture_device_changed = false;
#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
#endif
#if defined(__GNUC__)
// Workaround GCC warning from -Wcast-function-type.
#define GetProcAddress (void *)GetProcAddress
#endif
class CMMNotificationClient : public IMMNotificationClient {
LONG _cRef = 1;
IMMDeviceEnumerator *_pEnumerator = nullptr;
@ -206,21 +201,7 @@ public:
static CMMNotificationClient notif_client;
typedef const char *(CDECL *PWineGetVersionPtr)(void);
bool AudioDriverWASAPI::is_running_on_wine() {
HMODULE nt_lib = LoadLibraryW(L"ntdll.dll");
if (!nt_lib) {
return false;
}
PWineGetVersionPtr wine_get_version = (PWineGetVersionPtr)GetProcAddress(nt_lib, "wine_get_version");
FreeLibrary(nt_lib);
return (bool)wine_get_version;
}
Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_capture, bool reinit) {
Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_capture, bool p_reinit, bool p_no_audio_client_3) {
WAVEFORMATEX *pwfex;
IMMDeviceEnumerator *enumerator = nullptr;
IMMDevice *device = nullptr;
@ -286,7 +267,7 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
}
}
if (reinit) {
if (p_reinit) {
// In case we're trying to re-initialize the device prevent throwing this error on the console,
// otherwise if there is currently no device available this will spam the console.
if (hr != S_OK) {
@ -304,10 +285,11 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
}
using_audio_client_3 = !p_capture; // IID_IAudioClient3 is only used for adjustable output latency (not input)
if (using_audio_client_3 && is_running_on_wine()) {
if (p_no_audio_client_3) {
using_audio_client_3 = false;
print_verbose("WASAPI: Wine detected, falling back to IAudioClient interface");
}
if (using_audio_client_3) {
hr = device->Activate(IID_IAudioClient3, CLSCTX_ALL, nullptr, (void **)&p_device->audio_client);
if (hr != S_OK) {
@ -325,7 +307,7 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
SAFE_RELEASE(device)
if (reinit) {
if (p_reinit) {
if (hr != S_OK) {
return ERR_CANT_OPEN;
}
@ -436,7 +418,12 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
&fundamental_period_frames,
&min_period_frames,
&max_period_frames);
ERR_FAIL_COND_V_MSG(hr != S_OK, ERR_CANT_OPEN, "WASAPI: GetSharedModeEnginePeriod failed with error 0x" + String::num_uint64(hr, 16) + ".");
if (hr != S_OK) {
print_verbose("WASAPI: GetSharedModeEnginePeriod failed with error 0x" + String::num_uint64(hr, 16) + ", falling back to IAudioClient.");
CoTaskMemFree(pwfex);
SAFE_RELEASE(device)
return audio_device_init(p_device, p_capture, p_reinit, true);
}
// Period frames must be an integral multiple of fundamental_period_frames or IAudioClient3 initialization will fail,
// so we need to select the closest multiple to the user-specified latency.
@ -453,12 +440,25 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
buffer_frames = period_frames;
hr = device_audio_client_3->InitializeSharedAudioStream(0, period_frames, pwfex, nullptr);
ERR_FAIL_COND_V_MSG(hr != S_OK, ERR_CANT_OPEN, "WASAPI: InitializeSharedAudioStream failed with error 0x" + String::num_uint64(hr, 16) + ".");
uint32_t output_latency_in_frames;
WAVEFORMATEX *current_pwfex;
device_audio_client_3->GetCurrentSharedModeEnginePeriod(&current_pwfex, &output_latency_in_frames);
real_latency = (float)output_latency_in_frames / (float)current_pwfex->nSamplesPerSec;
CoTaskMemFree(current_pwfex);
if (hr != S_OK) {
print_verbose("WASAPI: InitializeSharedAudioStream failed with error 0x" + String::num_uint64(hr, 16) + ", falling back to IAudioClient.");
CoTaskMemFree(pwfex);
SAFE_RELEASE(device);
return audio_device_init(p_device, p_capture, p_reinit, true);
} else {
uint32_t output_latency_in_frames;
WAVEFORMATEX *current_pwfex;
hr = device_audio_client_3->GetCurrentSharedModeEnginePeriod(&current_pwfex, &output_latency_in_frames);
if (hr == OK) {
real_latency = (float)output_latency_in_frames / (float)current_pwfex->nSamplesPerSec;
CoTaskMemFree(current_pwfex);
} else {
print_verbose("WASAPI: GetCurrentSharedModeEnginePeriod failed with error 0x" + String::num_uint64(hr, 16) + ", falling back to IAudioClient.");
CoTaskMemFree(pwfex);
SAFE_RELEASE(device);
return audio_device_init(p_device, p_capture, p_reinit, true);
}
}
}
if (p_capture) {
@ -475,8 +475,8 @@ Error AudioDriverWASAPI::audio_device_init(AudioDeviceWASAPI *p_device, bool p_c
return OK;
}
Error AudioDriverWASAPI::init_render_device(bool reinit) {
Error err = audio_device_init(&audio_output, false, reinit);
Error AudioDriverWASAPI::init_render_device(bool p_reinit) {
Error err = audio_device_init(&audio_output, false, p_reinit);
if (err != OK) {
return err;
}
@ -507,8 +507,8 @@ Error AudioDriverWASAPI::init_render_device(bool reinit) {
return OK;
}
Error AudioDriverWASAPI::init_capture_device(bool reinit) {
Error err = audio_device_init(&audio_input, true, reinit);
Error AudioDriverWASAPI::init_capture_device(bool p_reinit) {
Error err = audio_device_init(&audio_input, true, p_reinit);
if (err != OK) {
return err;
}

8
drivers/wasapi/audio_driver_wasapi.h
View file

@ -79,19 +79,17 @@ class AudioDriverWASAPI : public AudioDriver {
SafeFlag exit_thread;
static bool is_running_on_wine();
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);
static void thread_func(void *p_udata);
Error init_render_device(bool reinit = false);
Error init_capture_device(bool reinit = false);
Error init_render_device(bool p_reinit = false);
Error init_capture_device(bool p_reinit = false);
Error finish_render_device();
Error finish_capture_device();
Error audio_device_init(AudioDeviceWASAPI *p_device, bool p_capture, bool reinit);
Error audio_device_init(AudioDeviceWASAPI *p_device, bool p_capture, bool p_reinit, bool p_no_audio_client_3 = false);
Error audio_device_finish(AudioDeviceWASAPI *p_device);
PackedStringArray audio_device_get_list(bool p_capture);