AuroraMiddleware/AuroraOpenALSoft
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Get the mmdevapi device period after initialization

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This commit is contained in:
Chris Robinson 2012-02-15 22:40:01 -08:00
parent 60785eab8e
commit 70f1a7e3ca
1 changed files with 13 additions and 21 deletions
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34
Alc/backends/mmdevapi.c
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@ -204,7 +204,7 @@ static HRESULT DoReset(ALCdevice *device)
MMDevApiData *data = device->ExtraData;
WAVEFORMATEXTENSIBLE OutputType;
WAVEFORMATEX *wfx = NULL;
REFERENCE_TIME min_per;
REFERENCE_TIME min_per, buf_time;
UINT32 buffer_len, min_len;
HRESULT hr;
@ -391,38 +391,30 @@ static HRESULT DoReset(ALCdevice *device)
SetDefaultWFXChannelOrder(device);
hr = IAudioClient_GetDevicePeriod(data->client, &min_per, NULL);
if(SUCCEEDED(hr))
{
min_len = (min_per*device->Frequency + 10000000-1) / 10000000;
if(min_len < device->UpdateSize)
min_len *= (device->UpdateSize + min_len/2)/min_len;
device->NumUpdates = (device->NumUpdates*device->UpdateSize + min_len/2) /
min_len;
device->NumUpdates = maxu(device->NumUpdates, 2);
device->UpdateSize = min_len;
hr = IAudioClient_Initialize(data->client, AUDCLNT_SHAREMODE_SHARED,
AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
((REFERENCE_TIME)device->UpdateSize*
device->NumUpdates*10000000 +
device->Frequency-1) / device->Frequency,
0, &OutputType.Format, NULL);
}
buf_time = ((REFERENCE_TIME)device->UpdateSize*device->NumUpdates*10000000 +
device->Frequency-1) / device->Frequency;
hr = IAudioClient_Initialize(data->client, AUDCLNT_SHAREMODE_SHARED,
AUDCLNT_STREAMFLAGS_EVENTCALLBACK,
buf_time, 0, &OutputType.Format, NULL);
if(FAILED(hr))
{
ERR("Failed to initialize audio client: 0x%08lx\n", hr);
return hr;
}
hr = IAudioClient_GetBufferSize(data->client, &buffer_len);
hr = IAudioClient_GetDevicePeriod(data->client, &min_per, NULL);
if(SUCCEEDED(hr))
{
min_len = (min_per*device->Frequency + 10000000-1) / 10000000;
hr = IAudioClient_GetBufferSize(data->client, &buffer_len);
}
if(FAILED(hr))
{
ERR("Failed to get audio buffer info: 0x%08lx\n", hr);
return hr;
}
device->UpdateSize = min_len;
device->NumUpdates = buffer_len / device->UpdateSize;
if(device->NumUpdates <= 1)
{