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WASAPI: Add support for integer PCM formats.

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This commit is contained in:
David Reid
2017-01-02 14:46:50 +10:00
parent cf2bde53de
commit bc222ea089
1 changed files with 65 additions and 41 deletions
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mini_al.h
+65 -41
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@@ -287,6 +287,7 @@ typedef int mal_result;
#define MAL_WASAPI_FAILED_TO_CREATE_DEVICE -3073
#define MAL_WASAPI_FAILED_TO_ACTIVATE_DEVICE -3074
#define MAL_WASAPI_FAILED_TO_INITIALIZE_DEVICE -3075
#define MAL_WASAPI_FAILED_TO_FIND_BEST_FORMAT -3076
typedef struct mal_device mal_device;
@@ -2104,6 +2105,48 @@ static void mal_device_uninit__wasapi(mal_device* pDevice)
}
}
static mal_result mal_device__find_best_format__wasapi(mal_device* pDevice, WAVEFORMATEXTENSIBLE* pBestFormat)
{
mal_assert(pDevice != NULL);
mal_assert(pBestFormat != NULL);
WAVEFORMATEXTENSIBLE wf;
mal_zero_object(&wf);
wf.Format.cbSize = sizeof(wf);
wf.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
wf.Format.nChannels = (WORD)pDevice->channels;
wf.Format.nSamplesPerSec = (DWORD)pDevice->sampleRate;
wf.Format.wBitsPerSample = (WORD)mal_get_sample_size_in_bytes(pDevice->format)*8;
wf.Format.nBlockAlign = (wf.Format.nChannels * wf.Format.wBitsPerSample) / 8;
wf.Format.nAvgBytesPerSec = wf.Format.nBlockAlign * wf.Format.nSamplesPerSec;
wf.Samples.wValidBitsPerSample = wf.Format.wBitsPerSample;
wf.dwChannelMask = ~(((DWORD)-1) << pDevice->channels);
if (pDevice->format == mal_format_f32) {
wf.SubFormat = MAL_GUID_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
} else {
wf.SubFormat = MAL_GUID_KSDATAFORMAT_SUBTYPE_PCM;
}
WAVEFORMATEXTENSIBLE* pBestFormatTemp;
#ifdef __cplusplus
HRESULT hr = ((IAudioClient*)pDevice->wasapi.pAudioClient)->IsFormatSupported(AUDCLNT_SHAREMODE_SHARED, (WAVEFORMATEX*)&wf, (WAVEFORMATEX**)&pBestFormatTemp);
#else
HRESULT hr = ((IAudioClient*)pDevice->wasapi.pAudioClient)->lpVtbl->IsFormatSupported((IAudioClient*)pDevice->wasapi.pAudioClient, AUDCLNT_SHAREMODE_SHARED, (WAVEFORMATEX*)&wf, (WAVEFORMATEX**)&pBestFormatTemp);
#endif
if (hr != S_OK && hr != S_FALSE && hr != AUDCLNT_E_UNSUPPORTED_FORMAT) {
return MAL_WASAPI_FAILED_TO_FIND_BEST_FORMAT;
}
if (pBestFormatTemp != NULL) {
mal_copy_memory(pBestFormat, pBestFormatTemp, sizeof(*pBestFormat));
((MAL_PFN_CoTaskMemFree)pDevice->pContext->win32.CoTaskMemFree)(pBestFormatTemp);
} else {
mal_copy_memory(pBestFormat, &wf, sizeof(*pBestFormat));
}
return MAL_SUCCESS;
}
static mal_result mal_device_init__wasapi(mal_context* pContext, mal_device_type type, mal_device_id* pDeviceID, mal_device_config* pConfig, mal_device* pDevice)
{
(void)pContext;
@@ -2169,44 +2212,31 @@ static mal_result mal_device_init__wasapi(mal_context* pContext, mal_device_type
REFERENCE_TIME bufferDurationInMicroseconds = ((mal_uint64)pConfig->bufferSizeInFrames * 1000 * 1000) / pConfig->sampleRate;
WAVEFORMATEXTENSIBLE wf;
mal_zero_object(&wf);
wf.Format.cbSize = sizeof(wf);
wf.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE;
wf.Format.nChannels = (WORD)pConfig->channels;
wf.Format.nSamplesPerSec = (DWORD)pConfig->sampleRate;
wf.Format.wBitsPerSample = (WORD)mal_get_sample_size_in_bytes(pConfig->format)*8;
wf.Format.nBlockAlign = (wf.Format.nChannels * wf.Format.wBitsPerSample) / 8;
wf.Format.nAvgBytesPerSec = wf.Format.nBlockAlign * wf.Format.nSamplesPerSec;
wf.Samples.wValidBitsPerSample = wf.Format.wBitsPerSample;
wf.dwChannelMask = (pConfig->channels <= 2) ? 0 : ~(((DWORD)-1) << pConfig->channels);
wf.SubFormat = MAL_GUID_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT;
WAVEFORMATEXTENSIBLE* pClosestWF;
#if 0
#ifdef __cplusplus
hr = ((IAudioClient*)pDevice->wasapi.pAudioClient)->IsFormatSupported(AUDCLNT_SHAREMODE_SHARED, (WAVEFORMATEX*)&wf, (WAVEFORMATEX**)&pClosestWF);
#else
hr = ((IAudioClient*)pDevice->wasapi.pAudioClient)->lpVtbl->IsFormatSupported((IAudioClient*)pDevice->wasapi.pAudioClient, AUDCLNT_SHAREMODE_SHARED, (WAVEFORMATEX*)&wf, (WAVEFORMATEX**)&pClosestWF);
#endif
if (hr != S_OK && hr != S_FALSE) {
mal_result result = mal_device__find_best_format__wasapi(pDevice, &wf);
if (result != MAL_SUCCESS) {
mal_device_uninit__wasapi(pDevice);
return mal_post_error(pDevice, "[WASAPI] Failed to get device mix format.", MAL_WASAPI_FAILED_TO_ACTIVATE_DEVICE);
return mal_post_error(pDevice, "[WASAPI] Failed to find best device mix format.", MAL_WASAPI_FAILED_TO_ACTIVATE_DEVICE);
}
#else
#ifdef __cplusplus
hr = ((IAudioClient*)pDevice->wasapi.pAudioClient)->GetMixFormat((WAVEFORMATEX**)&pClosestWF);
#else
hr = ((IAudioClient*)pDevice->wasapi.pAudioClient)->lpVtbl->GetMixFormat((IAudioClient*)pDevice->wasapi.pAudioClient, (WAVEFORMATEX**)&pClosestWF);
#endif
if (hr != S_OK && hr != S_FALSE) {
mal_device_uninit__wasapi(pDevice);
return mal_post_error(pDevice, "[WASAPI] Failed to get device mix format.", MAL_WASAPI_FAILED_TO_ACTIVATE_DEVICE);
}
#endif
//if (hr != S_OK) {
mal_copy_memory(&wf, pClosestWF, sizeof(wf));
//}
if (IsEqualGUID(&wf.SubFormat, &MAL_GUID_KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) {
pDevice->internalFormat = mal_format_f32;
} else {
if (wf.Format.wBitsPerSample == 32) {
pDevice->internalFormat = mal_format_s32;
} else if (wf.Format.wBitsPerSample == 24) {
pDevice->internalFormat = mal_format_s24;
} else if (wf.Format.wBitsPerSample == 16) {
pDevice->internalFormat = mal_format_s16;
} else if (wf.Format.wBitsPerSample == 8) {
pDevice->internalFormat = mal_format_u8;
} else {
mal_device_uninit__wasapi(pDevice);
return mal_post_error(pDevice, "[WASAPI] Device's native format is not supported.", MAL_FORMAT_NOT_SUPPORTED);
}
}
pDevice->internalChannels = wf.Format.nChannels;
//pDevice->internalSampleRate = wf.Format.nSamplesPerSec; // TODO: Uncomment this when SRC is implemented.
#ifdef __cplusplus
hr = ((IAudioClient*)pDevice->wasapi.pAudioClient)->Initialize(AUDCLNT_SHAREMODE_SHARED, 0, bufferDurationInMicroseconds*10, 0, (WAVEFORMATEX*)&wf, NULL);
@@ -2214,13 +2244,10 @@ static mal_result mal_device_init__wasapi(mal_context* pContext, mal_device_type
hr = ((IAudioClient*)pDevice->wasapi.pAudioClient)->lpVtbl->Initialize((IAudioClient*)pDevice->wasapi.pAudioClient, AUDCLNT_SHAREMODE_SHARED, 0, bufferDurationInMicroseconds*10, 0, (WAVEFORMATEX*)&wf, NULL);
#endif
if (FAILED(hr)) {
((MAL_PFN_CoTaskMemFree)pContext->win32.CoTaskMemFree)(pClosestWF);
mal_device_uninit__wasapi(pDevice);
return mal_post_error(pDevice, "[WASAPI] Failed to activate device.", MAL_WASAPI_FAILED_TO_INITIALIZE_DEVICE);
}
((MAL_PFN_CoTaskMemFree)pContext->win32.CoTaskMemFree)(pClosestWF);
#ifdef __cplusplus
hr = ((IAudioClient*)pDevice->wasapi.pAudioClient)->GetBufferSize(&pDevice->bufferSizeInFrames);
#else
@@ -6031,10 +6058,7 @@ void mal_pcm_f32_to_s32(int* pOut, const float* pIn, unsigned int count)
//
// WASAPI
// ------
// - Add support for non-f32 formats.
// - Add support for exclusive mode?
// - GetMixFormat() instead of IsFormatSupported().
// - Requires a large suite of conversion routines including channel shuffling, SRC and format conversion.
// - Look into event callbacks: AUDCLNT_STREAMFLAGS_EVENTCALLBACK
// - Clean up that terrible "__cplusplus" mess by implementing wrapper functions.
//