diff options
Diffstat (limited to 'audio/sysvad/APO/DelayAPO/DelayAPOMFX.cpp')
| -rw-r--r-- | audio/sysvad/APO/DelayAPO/DelayAPOMFX.cpp | 141 |
1 files changed, 139 insertions, 2 deletions
diff --git a/audio/sysvad/APO/DelayAPO/DelayAPOMFX.cpp b/audio/sysvad/APO/DelayAPO/DelayAPOMFX.cpp index 5f5ad2c6..8b53b42c 100644 --- a/audio/sysvad/APO/DelayAPO/DelayAPOMFX.cpp +++ b/audio/sysvad/APO/DelayAPO/DelayAPOMFX.cpp @@ -905,8 +905,9 @@ DEFINE_GUIDSTRUCT("00000092-0000-0010-8000-00aa00389b71", KSDATAFORMAT_SUBTYPE_A CUSTOM_FORMAT_ITEM _rgCustomFormats[] = { {{ WAVE_FORMAT_EXTENSIBLE, 2, 44100, 176400, 4, 16, sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX), 16, KSAUDIO_SPEAKER_STEREO, KSDATAFORMAT_SUBTYPE_PCM}, L"Custom #1 (really 44.1 KHz, 16-bit, stereo)"}, - {{ WAVE_FORMAT_EXTENSIBLE, 2, 48000, 192000, 4, 16, sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX), 16, KSAUDIO_SPEAKER_STEREO, KSDATAFORMAT_SUBTYPE_PCM}, L"Custom #2 (really 48 KHz, 16-bit, stereo)"}, - {{ WAVE_FORMAT_EXTENSIBLE, 2, 48000, 192000, 4, 16, sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX), 16, KSAUDIO_SPEAKER_STEREO, KSDATAFORMAT_SUBTYPE_AC3}, L"Custom #3 (really 48 KHz AC-3)"} + {{ WAVE_FORMAT_EXTENSIBLE, 2, 48000, 192000, 4, 16, sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX), 16, KSAUDIO_SPEAKER_STEREO, KSDATAFORMAT_SUBTYPE_PCM}, L"Custom #2 (really 48 KHz, 16-bit, stereo)"} + // The compressed AC3 format has been temporarily removed since the APO is not set up for compressed formats or EFXs yet. + // {{ WAVE_FORMAT_EXTENSIBLE, 2, 48000, 192000, 4, 16, sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX), 16, KSAUDIO_SPEAKER_STEREO, KSDATAFORMAT_SUBTYPE_AC3}, L"Custom #3 (really 48 KHz AC-3)"} }; #define _cCustomFormats (ARRAYSIZE(_rgCustomFormats)) @@ -1029,3 +1030,139 @@ STDMETHODIMP CDelayAPOMFX::GetFormatRepresentation Exit: return hr; } + +//------------------------------------------------------------------------- +// Description: +// +// Implementation of IAudioProcessingObject::IsOutputFormatSupported +// +// Parameters: +// +// pInputFormat - [in] A pointer to an IAudioMediaType interface. This parameter indicates the output format. This parameter must be set to NULL to indicate that the output format can be any type +// pRequestedOutputFormat - [in] A pointer to an IAudioMediaType interface. This parameter indicates the output format that is to be verified +// ppSupportedOutputFormat - [in] This parameter indicates the supported output format that is closest to the format to be verified +// +// Return values: +// +// S_OK Success +// S_FALSE The format of Input/output format pair is not supported. The ppSupportedOutPutFormat parameter returns a suggested new format +// APOERR_FORMAT_NOT_SUPPORTED The format is not supported. The value of ppSupportedOutputFormat does not change. +// E_POINTER Null pointer passed +// +// Remarks: +// +STDMETHODIMP CDelayAPOMFX::IsOutputFormatSupported +( + IAudioMediaType *pInputFormat, + IAudioMediaType *pRequestedOutputFormat, + IAudioMediaType **ppSupportedOutputFormat +) +{ + ASSERT_NONREALTIME(); + bool formatChanged = false; + HRESULT hResult; + UNCOMPRESSEDAUDIOFORMAT uncompOutputFormat; + IAudioMediaType *recommendedFormat = NULL; + + IF_TRUE_ACTION_JUMP((NULL == pRequestedOutputFormat) || (NULL == ppSupportedOutputFormat), hResult = E_POINTER, Exit); + *ppSupportedOutputFormat = NULL; + + // Initial comparison to make sure the requested format is valid and consistent with the input + // format. Because of the APO flags specified during creation, the samples per frame value will + // not be validated. + hResult = IsFormatTypeSupported(pInputFormat, pRequestedOutputFormat, &recommendedFormat, true); + IF_FAILED_JUMP(hResult, Exit); + + // Check to see if a custom format from the APO was used. + if (S_FALSE == hResult) + { + hResult = CheckCustomFormats(pRequestedOutputFormat); + + // If the output format is changed, make sure we track it for our return code. + if (S_FALSE == hResult) + { + formatChanged = true; + } + } + + // now retrieve the format that IsFormatTypeSupported decided on, building upon that by adding + // our channel count constraint. + hResult = recommendedFormat->GetUncompressedAudioFormat(&uncompOutputFormat); + IF_FAILED_JUMP(hResult, Exit); + + // If the requested format exactly matched our requirements, + // just return it. + if (!formatChanged) + { + *ppSupportedOutputFormat = pRequestedOutputFormat; + (*ppSupportedOutputFormat)->AddRef(); + hResult = S_OK; + } + else // we're proposing something different, copy it and return S_FALSE + { + hResult = CreateAudioMediaTypeFromUncompressedAudioFormat(&uncompOutputFormat, ppSupportedOutputFormat); + IF_FAILED_JUMP(hResult, Exit); + hResult = S_FALSE; + } + +Exit: + if (recommendedFormat) + { + recommendedFormat->Release(); + } + + return hResult; +} + +HRESULT CDelayAPOMFX::CheckCustomFormats(IAudioMediaType *pRequestedFormat) +{ + HRESULT hResult = S_OK; + + for (int i = 0; i < _cCustomFormats; i++) + { + hResult = S_OK; + const WAVEFORMATEX* waveFormat = pRequestedFormat->GetAudioFormat(); + + if (waveFormat->wFormatTag != _rgCustomFormats[i].wfxFmt.Format.wFormatTag) + { + hResult = S_FALSE; + } + + if (waveFormat->nChannels != _rgCustomFormats[i].wfxFmt.Format.nChannels) + { + hResult = S_FALSE; + } + + if (waveFormat->nSamplesPerSec != _rgCustomFormats[i].wfxFmt.Format.nSamplesPerSec) + { + hResult = S_FALSE; + } + + if (waveFormat->nAvgBytesPerSec != _rgCustomFormats[i].wfxFmt.Format.nAvgBytesPerSec) + { + hResult = S_FALSE; + } + + if (waveFormat->nBlockAlign != _rgCustomFormats[i].wfxFmt.Format.nBlockAlign) + { + hResult = S_FALSE; + } + + if (waveFormat->wBitsPerSample != _rgCustomFormats[i].wfxFmt.Format.wBitsPerSample) + { + hResult = S_FALSE; + } + + if (waveFormat->cbSize != _rgCustomFormats[i].wfxFmt.Format.cbSize) + { + hResult = S_FALSE; + } + + if (hResult == S_OK) + { + break; + } + } + + return hResult; +}
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