static void
XAUDIO2_CloseDevice(_THIS)
{
if (this->hidden != NULL) {
IXAudio2 *ixa2 = this->hidden->ixa2;
IXAudio2SourceVoice *source = this->hidden->source;
IXAudio2MasteringVoice *mastering = this->hidden->mastering;
if (source != NULL) {
IXAudio2SourceVoice_Stop(source, 0, XAUDIO2_COMMIT_NOW);
IXAudio2SourceVoice_FlushSourceBuffers(source);
IXAudio2SourceVoice_DestroyVoice(source);
}
if (ixa2 != NULL) {
IXAudio2_StopEngine(ixa2);
}
if (mastering != NULL) {
IXAudio2MasteringVoice_DestroyVoice(mastering);
}
if (ixa2 != NULL) {
IXAudio2_Release(ixa2);
}
SDL_free(this->hidden->mixbuf);
if (this->hidden->semaphore != NULL) {
SDL_DestroySemaphore(this->hidden->semaphore);
}
SDL_free(this->hidden);
this->hidden = NULL;
}
}
gc_result gaX_device_close_xaudio2(ga_DeviceImpl_XAudio2* in_device)
{
gc_int32 i;
if(in_device->source)
{
IXAudio2SourceVoice_Stop(in_device->source, 0, XAUDIO2_COMMIT_NOW);
IXAudio2SourceVoice_FlushSourceBuffers(in_device->source);
IXAudio2SourceVoice_DestroyVoice(in_device->source);
}
if(in_device->xa)
IXAudio2_StopEngine(in_device->xa);
if(in_device->master)
IXAudio2MasteringVoice_DestroyVoice(in_device->master);
if(in_device->xa)
IXAudio2_Release(in_device->xa);
CoUninitialize();
for(i = 0; i < in_device->numBuffers; ++i)
gcX_ops->freeFunc(in_device->buffers[i]);
gcX_ops->freeFunc(in_device->buffers);
in_device->devType = GA_DEVICE_TYPE_UNKNOWN;
in_device->source = 0;
in_device->master = 0;
in_device->xa = 0;
gcX_ops->freeFunc(in_device);
return GC_SUCCESS;
}
void snd_stop(void) {
xaudio2.opened = FALSE;
if (xaudio2.source) {
IXAudio2SourceVoice_Stop(xaudio2.source, 0, XAUDIO2_COMMIT_NOW);
IXAudio2SourceVoice_FlushSourceBuffers(xaudio2.source);
IXAudio2SourceVoice_DestroyVoice(xaudio2.source);
xaudio2.source = NULL;
}
if (xaudio2.engine) {
IXAudio2_StopEngine(xaudio2.engine);
}
if (xaudio2.master) {
IXAudio2MasteringVoice_DestroyVoice(xaudio2.master);
xaudio2.master = NULL;
}
if (xaudio2.engine) {
IXAudio2_Release(xaudio2.engine);
xaudio2.engine = NULL;
}
if (snd.cache) {
if (SNDCACHE->start) {
free(SNDCACHE->start);
}
if (SNDCACHE->silence) {
free(SNDCACHE->silence);
}
if (xaudio2.semaphore) {
CloseHandle(xaudio2.semaphore);
xaudio2.semaphore = NULL;
}
snd.cache = NULL;
}
if (audio_channels_quit) {
audio_channels_quit();
}
if (audio_quality_quit) {
audio_quality_quit();
}
}
static void
XAUDIO2_PlayDevice(_THIS)
{
XAUDIO2_BUFFER buffer;
Uint8 *mixbuf = this->hidden->mixbuf;
Uint8 *nextbuf = this->hidden->nextbuf;
const int mixlen = this->hidden->mixlen;
IXAudio2SourceVoice *source = this->hidden->source;
HRESULT result = S_OK;
if (!this->enabled) { /* shutting down? */
return;
}
/* Submit the next filled buffer */
SDL_zero(buffer);
buffer.AudioBytes = mixlen;
buffer.pAudioData = nextbuf;
buffer.pContext = this;
if (nextbuf == mixbuf) {
nextbuf += mixlen;
} else {
nextbuf = mixbuf;
}
this->hidden->nextbuf = nextbuf;
result = IXAudio2SourceVoice_SubmitSourceBuffer(source, &buffer, NULL);
if (result == XAUDIO2_E_DEVICE_INVALIDATED) {
/* !!! FIXME: possibly disconnected or temporary lost. Recover? */
}
if (result != S_OK) { /* uhoh, panic! */
IXAudio2SourceVoice_FlushSourceBuffers(source);
SDL_OpenedAudioDeviceDisconnected(this);
}
}
ga_DeviceImpl_XAudio2* gaX_device_open_xaudio2(gc_int32 in_numBuffers, gc_int32 in_numSamples, ga_Format* in_format)
{
ga_DeviceImpl_XAudio2* ret = gcX_ops->allocFunc(sizeof(ga_DeviceImpl_XAudio2));
HRESULT result;
WAVEFORMATEX fmt;
gc_int32 i;
ret->devType = GA_DEVICE_TYPE_XAUDIO2;
ret->numBuffers = in_numBuffers;
ret->numSamples = in_numSamples;
memcpy(&ret->format, in_format, sizeof(ga_Format));
ret->sampleSize = ga_format_sampleSize(in_format);
ret->nextBuffer = 0;
ret->xa = 0;
ret->master = 0;
CoInitializeEx(NULL, COINIT_MULTITHREADED);
result = XAudio2Create(&ret->xa, 0, XAUDIO2_DEFAULT_PROCESSOR);
if(FAILED(result))
goto cleanup;
result = IXAudio2_CreateMasteringVoice(ret->xa, &ret->master, 2, 44100, 0, 0, 0);
if(FAILED(result))
goto cleanup;
fmt.cbSize = sizeof(WAVEFORMATEX);
ZeroMemory(&fmt, sizeof(WAVEFORMATEX));
fmt.cbSize = sizeof(WAVEFORMATEX);
fmt.wFormatTag = WAVE_FORMAT_PCM;
fmt.nChannels = 2;
fmt.wBitsPerSample = 16;
fmt.nSamplesPerSec = 44100;
fmt.nBlockAlign = fmt.nChannels * (fmt.wBitsPerSample / 8);
fmt.nAvgBytesPerSec = fmt.nSamplesPerSec * fmt.nBlockAlign;
result = IXAudio2_CreateSourceVoice(ret->xa, &ret->source, &fmt, XAUDIO2_VOICE_NOPITCH, XAUDIO2_DEFAULT_FREQ_RATIO, 0, 0, 0);
if(FAILED(result))
goto cleanup;
result =IXAudio2_StartEngine(ret->xa);
if(FAILED(result))
goto cleanup;
result = IXAudio2SourceVoice_Start(ret->source, 0, XAUDIO2_COMMIT_NOW);
if(FAILED(result))
goto cleanup;
ret->buffers = gcX_ops->allocFunc(ret->numBuffers * sizeof(void*));
for(i = 0; i < ret->numBuffers; ++i)
ret->buffers[i] = gcX_ops->allocFunc(ret->numSamples * ret->sampleSize);
return ret;
cleanup:
if(ret->source)
{
IXAudio2SourceVoice_Stop(ret->source, 0, XAUDIO2_COMMIT_NOW);
IXAudio2SourceVoice_FlushSourceBuffers(ret->source);
IXAudio2SourceVoice_DestroyVoice(ret->source);
}
if(ret->xa)
IXAudio2_StopEngine(ret->xa);
if(ret->master)
IXAudio2MasteringVoice_DestroyVoice(ret->master);
if(ret->xa)
IXAudio2_Release(ret->xa);
CoUninitialize();
gcX_ops->freeFunc(ret);
return 0;
}