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Code Issues Releases Wiki Activity

#15 fix mmsystem deadlock

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XProger
2017-11-26 06:45:16 +03:00
parent a927da8d73
commit 4807dbbcc5
1 changed files with 9 additions and 19 deletions
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28
src/platform/win/main.cpp
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@@ -171,7 +171,6 @@ void touchUpdate(HWND hWnd, HTOUCHINPUT hTouch, int count) {
bool sndReady;
char *sndData;
CRITICAL_SECTION sndCS;
HWAVEOUT waveOut;
WAVEFORMATEX waveFmt = { WAVE_FORMAT_PCM, 2, 44100, 44100 * 4, 4, 16, sizeof(waveFmt) };
WAVEHDR waveBuf[2];
@@ -179,41 +178,30 @@ WAVEHDR waveBuf[2];
void sndFree() {
if (!sndReady) return;
sndReady = false;
EnterCriticalSection(&sndCS);
waveOutUnprepareHeader(waveOut, &waveBuf[0], sizeof(WAVEHDR));
waveOutUnprepareHeader(waveOut, &waveBuf[1], sizeof(WAVEHDR));
waveOutReset(waveOut);
waveOutClose(waveOut);
delete[] sndData;
LeaveCriticalSection(&sndCS);
DeleteCriticalSection(&sndCS);
}
void CALLBACK sndFill(HWAVEOUT waveOut, UINT uMsg, DWORD_PTR dwInstance, LPWAVEHDR waveBuf, DWORD dwParam2) {
void sndFill(HWAVEOUT waveOut, LPWAVEHDR waveBuf) {
if (!sndReady) return;
if (uMsg == MM_WOM_CLOSE) {
sndFree();
return;
}
EnterCriticalSection(&sndCS);
waveOutUnprepareHeader(waveOut, waveBuf, sizeof(WAVEHDR));
Sound::fill((Sound::Frame*)waveBuf->lpData, SND_SIZE / 4);
waveOutPrepareHeader(waveOut, waveBuf, sizeof(WAVEHDR));
waveOutWrite(waveOut, waveBuf, sizeof(WAVEHDR));
LeaveCriticalSection(&sndCS);
}
void sndInit(HWND hwnd) {
InitializeCriticalSection(&sndCS);
if (waveOutOpen(&waveOut, WAVE_MAPPER, &waveFmt, (INT_PTR)sndFill, 0, CALLBACK_FUNCTION) == MMSYSERR_NOERROR) {
if (waveOutOpen(&waveOut, WAVE_MAPPER, &waveFmt, (INT_PTR)hwnd, 0, CALLBACK_WINDOW) == MMSYSERR_NOERROR) {
sndReady = true;
sndData = new char[SND_SIZE * 2];
memset(&waveBuf, 0, sizeof(waveBuf));
for (int i = 0; i < 2; i++) {
waveBuf[i].dwBufferLength = SND_SIZE;
waveBuf[i].lpData = sndData + SND_SIZE * i;
sndFill(waveOut, 0, 0, &waveBuf[i], 0);
sndFill(waveOut, &waveBuf[i]);
}
} else {
sndReady = false;
@@ -294,6 +282,10 @@ static LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lPara
case WM_TOUCH :
touchUpdate(hWnd, (HTOUCHINPUT)lParam, wParam);
break;
// sound
case MM_WOM_DONE :
sndFill((HWAVEOUT)wParam, (WAVEHDR*)lParam);
break;
default :
return DefWindowProc(hWnd, msg, wParam, lParam);
}
@@ -375,12 +367,10 @@ int main(int argc, char** argv) {
joyUpdate();
DWORD time = getTime();
//if (time <= lastTime)
// continue;
if (time <= lastTime)
continue;
EnterCriticalSection(&sndCS);
Game::update((time - lastTime) * 0.001f);
LeaveCriticalSection(&sndCS);
lastTime = time;
Game::render();