diff options
| -rw-r--r-- | Alc/backends/mmdevapi.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/Alc/backends/mmdevapi.c b/Alc/backends/mmdevapi.c index 24314164..9db83003 100644 --- a/Alc/backends/mmdevapi.c +++ b/Alc/backends/mmdevapi.c @@ -66,6 +66,8 @@ typedef struct { HANDLE MsgEvent; + volatile UINT32 Padding; + volatile int killNow; ALvoid *thread; } MMDevApiData; @@ -252,6 +254,7 @@ static ALuint MMDevApiProc(ALvoid *ptr) aluHandleDisconnect(device); break; } + data->Padding = written; len = buffer_len - written; if(len < update_size) @@ -267,7 +270,10 @@ static ALuint MMDevApiProc(ALvoid *ptr) hr = IAudioRenderClient_GetBuffer(data->render, len, &buffer); if(SUCCEEDED(hr)) { + ALCdevice_Lock(device); aluMixData(device, buffer, len); + data->Padding = written + len; + ALCdevice_Unlock(device); hr = IAudioRenderClient_ReleaseBuffer(data->render, len, 0); } if(FAILED(hr)) @@ -277,6 +283,7 @@ static ALuint MMDevApiProc(ALvoid *ptr) break; } } + data->Padding = 0; CoUninitialize(); return 0; @@ -936,6 +943,14 @@ static void MMDevApiStopPlayback(ALCdevice *device) } +static ALint64 MMDevApiGetLatency(ALCdevice *device) +{ + MMDevApiData *data = device->ExtraData; + + return (ALint64)data->Padding * 1000000000 / device->Frequency; +} + + static const BackendFuncs MMDevApiFuncs = { MMDevApiOpenPlayback, MMDevApiClosePlayback, @@ -950,7 +965,7 @@ static const BackendFuncs MMDevApiFuncs = { NULL, ALCdevice_LockDefault, ALCdevice_UnlockDefault, - ALCdevice_GetLatencyDefault + MMDevApiGetLatency }; |