HRESULT CEvrCustomMixer::GetOutputAvailableType(DWORD dwIndex, IMFMediaType **ppType)
{
HRESULT hr;
IMFMediaType *pmt;
*ppType = 0;
if (dwIndex >= s_nAvailableOutputTypes)
return MF_E_NO_MORE_TYPES;
hr = CDynLibManager::GetInstance()->pfnMFCreateMediaType(&pmt);
if (SUCCEEDED(hr))
{
hr = pmt->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
ASSERT(SUCCEEDED(hr));
hr = pmt->SetGUID(MF_MT_SUBTYPE, s_pAvailableOutputTypes[dwIndex]);
ASSERT(SUCCEEDED(hr));
*ppType = pmt;
UINT uWidth, uHeight, uNumerator, uDenominator;
hr = MFGetAttributeSize(m_pInputTypes[0], MF_MT_FRAME_SIZE, &uWidth, &uHeight);
ASSERT(SUCCEEDED(hr));
hr = MFGetAttributeRatio(m_pInputTypes[0], MF_MT_PIXEL_ASPECT_RATIO, &uNumerator, &uDenominator);
ASSERT(SUCCEEDED(hr));
hr = MFSetAttributeSize(pmt, MF_MT_FRAME_SIZE, uWidth, uHeight);
ASSERT(SUCCEEDED(hr));
hr = MFSetAttributeRatio(pmt, MF_MT_PIXEL_ASPECT_RATIO, uNumerator, uDenominator);
ASSERT(SUCCEEDED(hr));
}
return hr;
}
//-------------------------------------------------------------------
// selectVideoStream: Finds the first video stream and sets the format to RGB32.
//
HRESULT VidReader::selectVideoStream()
{
HRESULT hr = S_OK;
IMFMediaType *pType = NULL;
// Configure the source reader to give us progressive RGB32 frames.
// The source reader will load the decoder if needed.
hr = MFCreateMediaType(&pType);
if (FAILED(hr)) goto done;
hr = pType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
if (FAILED(hr)) goto done;
hr = pType->SetGUID(MF_MT_SUBTYPE, MFVideoFormat_RGB32);
if (FAILED(hr)) goto done;
hr = m_pReader->SetCurrentMediaType((DWORD)MF_SOURCE_READER_FIRST_VIDEO_STREAM, NULL, pType);
if (FAILED(hr)) goto done;
// Ensure the stream is selected.
hr = m_pReader->SetStreamSelection((DWORD)MF_SOURCE_READER_FIRST_VIDEO_STREAM, TRUE);
if (FAILED(hr)) goto done;
done:
SafeRelease(&pType);
return hr;
}
/*
Adds the video and audio stream to the H.264 writer sink.
*/
HRESULT ConfigureEncoder(IMFMediaType *pVideoType, DWORD *videoStreamIndex, DWORD *audioStreamIndex, IMFSinkWriter *pWriter)
{
IMFMediaType *pVideoOutType = NULL;
IMFMediaType *pAudioOutType = NULL;
// Configure the video stream.
CHECK_HR(MFCreateMediaType(&pVideoOutType), L"Configure encoder failed to create media type for video output sink.");
CHECK_HR(pVideoOutType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video), L"Failed to set video writer attribute, media type.");
CHECK_HR(pVideoOutType->SetGUID(MF_MT_SUBTYPE, MFVideoFormat_H264), L"Failed to set video writer attribute, video format (H.264).");
CHECK_HR(pVideoOutType->SetUINT32(MF_MT_AVG_BITRATE, 240 * 1000), L"Failed to set video writer attribute, bit rate.");
CHECK_HR(CopyAttribute(pVideoType, pVideoOutType, MF_MT_FRAME_SIZE), L"Failed to set video writer attribute, frame size.");
CHECK_HR(CopyAttribute(pVideoType, pVideoOutType, MF_MT_FRAME_RATE), L"Failed to set video writer attribute, frame rate.");
CHECK_HR(CopyAttribute(pVideoType, pVideoOutType, MF_MT_PIXEL_ASPECT_RATIO), L"Failed to set video writer attribute, aspect ratio.");
CHECK_HR(CopyAttribute(pVideoType, pVideoOutType, MF_MT_INTERLACE_MODE), L"Failed to set video writer attribute, interlace mode.");;
CHECK_HR(pWriter->AddStream(pVideoOutType, videoStreamIndex), L"Failed to add the video stream to the sink writer.");
pVideoOutType->Release();
// Configure the audio stream.
// See http://msdn.microsoft.com/en-us/library/windows/desktop/dd742785(v=vs.85).aspx for AAC encoder settings.
// http://msdn.microsoft.com/en-us/library/ff819476%28VS.85%29.aspx
CHECK_HR(MFCreateMediaType(&pAudioOutType), L"Configure encoder failed to create media type for audio output sink.");
CHECK_HR(pAudioOutType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Audio), L"Failed to set audio writer attribute, media type.");
CHECK_HR(pAudioOutType->SetGUID(MF_MT_SUBTYPE, MFAudioFormat_AAC), L"Failed to set audio writer attribute, audio format (AAC).");
CHECK_HR(pAudioOutType->SetUINT32(MF_MT_AUDIO_NUM_CHANNELS, 2), L"Failed to set audio writer attribute, number of channels.");
CHECK_HR(pAudioOutType->SetUINT32(MF_MT_AUDIO_BITS_PER_SAMPLE, 16), L"Failed to set audio writer attribute, bits per sample.");
CHECK_HR(pAudioOutType->SetUINT32(MF_MT_AUDIO_SAMPLES_PER_SECOND, 44100), L"Failed to set audio writer attribute, samples per second.");
CHECK_HR(pAudioOutType->SetUINT32(MF_MT_AUDIO_AVG_BYTES_PER_SECOND, 16000), L"Failed to set audio writer attribute, average bytes per second.");
//CHECK_HR( pAudioOutType->SetUINT32( MF_MT_AAC_AUDIO_PROFILE_LEVEL_INDICATION, 0x29 ), L"Failed to set audio writer attribute, level indication.");
CHECK_HR(pWriter->AddStream(pAudioOutType, audioStreamIndex), L"Failed to add the audio stream to the sink writer.");
pAudioOutType->Release();
return S_OK;
}
static HRESULT
CreateAudioMediaType(const WWMFPcmFormat &fmt, IMFMediaType** ppMediaType)
{
HRESULT hr;
IMFMediaType *pMediaType = NULL;
*ppMediaType = NULL;
HRG(MFCreateMediaType(&pMediaType) );
HRG(pMediaType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Audio));
HRG(pMediaType->SetGUID(MF_MT_SUBTYPE,
(fmt.sampleFormat == WWMFBitFormatInt) ? MFAudioFormat_PCM : MFAudioFormat_Float));
HRG(pMediaType->SetUINT32(MF_MT_AUDIO_NUM_CHANNELS, fmt.nChannels));
HRG(pMediaType->SetUINT32(MF_MT_AUDIO_SAMPLES_PER_SECOND, fmt.sampleRate));
HRG(pMediaType->SetUINT32(MF_MT_AUDIO_BLOCK_ALIGNMENT, fmt.FrameBytes()));
HRG(pMediaType->SetUINT32(MF_MT_AUDIO_AVG_BYTES_PER_SECOND, fmt.BytesPerSec()));
HRG(pMediaType->SetUINT32(MF_MT_AUDIO_BITS_PER_SAMPLE, fmt.bits));
HRG(pMediaType->SetUINT32(MF_MT_ALL_SAMPLES_INDEPENDENT, TRUE));
if (0 != fmt.dwChannelMask) {
HRG(pMediaType->SetUINT32(MF_MT_AUDIO_CHANNEL_MASK, fmt.dwChannelMask));
}
if (fmt.bits != fmt.validBitsPerSample) {
HRG(pMediaType->SetUINT32(MF_MT_AUDIO_VALID_BITS_PER_SAMPLE, fmt.validBitsPerSample));
}
*ppMediaType = pMediaType;
pMediaType = NULL; //< prevent release
end:
SafeRelease(&pMediaType);
return hr;
}
// 创建sink writer. 返回流索引.
HRESULT VideoEncoder::CreateSinkWriter(IMFSinkWriter** ppSinkWriter, DWORD* pStreamIndex)
{
HRESULT hr = S_OK;
if (this->m_outputFile == L"")
{
return ERROR_FILE_INVALID;
}
// 创建sink writer.
*ppSinkWriter = nullptr;
IMFSinkWriter *pSinkWriter = nullptr;
IMFMediaType* pOutputMediaType = nullptr;
IMFMediaType *pInMediaType = nullptr;
CheckHR(MFCreateSinkWriterFromURL(this->m_outputFile.c_str(), nullptr, nullptr, &pSinkWriter));
// 创建和配置输出媒体类型.
CheckHR(MFCreateMediaType(&pOutputMediaType));
CheckHR(pOutputMediaType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video));
CheckHR(pOutputMediaType->SetGUID(MF_MT_SUBTYPE, this->m_outputVideoFormat));
CheckHR(pOutputMediaType->SetUINT32(MF_MT_AVG_BITRATE, this->m_videoBitRate));
CheckHR(pOutputMediaType->SetUINT32(MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive));
CheckHR(MFSetAttributeSize(pOutputMediaType, MF_MT_FRAME_SIZE, this->m_frameWidth, this->m_frameHeight));
CheckHR(MFSetAttributeRatio(pOutputMediaType, MF_MT_FRAME_RATE, (UINT32)this->m_fps, 1));
CheckHR(MFSetAttributeRatio(pOutputMediaType, MF_MT_PIXEL_ASPECT_RATIO, 1, 1));
DWORD streamIndex;
CheckHR(pSinkWriter->AddStream(pOutputMediaType, &streamIndex));
// 设置输入的媒体类型.
CheckHR(MFCreateMediaType(&pInMediaType));
CheckHR(pInMediaType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video));
CheckHR(pInMediaType->SetGUID(MF_MT_SUBTYPE, MFVideoFormat_RGB32));
CheckHR(pInMediaType->SetUINT32(MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive));
// 输入的步幅信息不为所有输出编码解码器需要.但某些编解码器需要它，如 H.264.
// 如果步幅是去掉，或设置为负值，H.264 将从下到上处理图像.
CheckHR(pInMediaType->SetUINT32(MF_MT_DEFAULT_STRIDE, this->m_frameStride));
CheckHR(MFSetAttributeSize(pInMediaType, MF_MT_FRAME_SIZE, this->m_frameWidth, this->m_frameHeight));
CheckHR(MFSetAttributeRatio(pInMediaType, MF_MT_FRAME_RATE, (UINT32)this->m_fps, 1));
CheckHR(MFSetAttributeRatio(pInMediaType, MF_MT_PIXEL_ASPECT_RATIO, 1, 1));
CheckHR(pSinkWriter->SetInputMediaType(streamIndex, pInMediaType, nullptr));
// 开始编写.
CheckHR(pSinkWriter->BeginWriting());
*ppSinkWriter = pSinkWriter;
(*ppSinkWriter)->AddRef();
*pStreamIndex = streamIndex;
cleanup:
if (!SUCCEEDED(hr))
{
DWORD error = GetLastError();
this->m_logFileStream << "意外错误: " << error << endl;
}
SafeRelease(&pSinkWriter);
SafeRelease(&pOutputMediaType);
return hr;
}
HRESULT EncodeTransform::SetOutputMediaType()
{
if (!mpEncoder)
{
return MF_E_NOT_INITIALIZED;
}
IMFMediaType* pMediaTypeOut = NULL;
HRESULT hr = MFCreateMediaType(&pMediaTypeOut);
// Set the output media type.
if (SUCCEEDED(hr))
{
hr = MFCreateMediaType(&pMediaTypeOut);
}
if (SUCCEEDED(hr))
{
hr = pMediaTypeOut->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
}
if (SUCCEEDED(hr))
{
hr = pMediaTypeOut->SetGUID(MF_MT_SUBTYPE, cVideoEncodingFormat);
}
if (SUCCEEDED(hr))
{
hr = pMediaTypeOut->SetUINT32(MF_MT_AVG_BITRATE, VIDEO_BIT_RATE);
}
if (SUCCEEDED(hr))
{
hr = MFSetAttributeRatio(pMediaTypeOut, MF_MT_FRAME_RATE, VIDEO_FPS, 1);
}
if (SUCCEEDED(hr))
{
hr = MFSetAttributeSize(pMediaTypeOut, MF_MT_FRAME_SIZE, mStreamWidth, mStreamHeight);
}
if (SUCCEEDED(hr))
{
hr = pMediaTypeOut->SetUINT32(MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive);
}
if (SUCCEEDED(hr))
{
hr = pMediaTypeOut->SetUINT32(MF_MT_MPEG2_PROFILE, eAVEncH264VProfile_Base);
}
if (SUCCEEDED(hr))
{
hr = MFSetAttributeRatio(pMediaTypeOut, MF_MT_PIXEL_ASPECT_RATIO, 1, 1);
}
if (SUCCEEDED(hr))
{
hr = mpEncoder->SetOutputType(0, pMediaTypeOut, 0);
}
return hr;
}
HRESULT CloneVideoMediaType(IMFMediaType *pSrcMediaType, REFGUID guidSubType, IMFMediaType **ppNewMediaType)
{
IMFMediaType *pNewMediaType = NULL;
HRESULT hr = MFCreateMediaType(&pNewMediaType);
if (FAILED(hr))
{
goto done;
}
hr = pNewMediaType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
if (FAILED(hr))
{
goto done;
}
hr = pNewMediaType->SetGUID(MF_MT_SUBTYPE, guidSubType);
if (FAILED(hr))
{
goto done;
}
hr = CopyAttribute(pSrcMediaType, pNewMediaType, MF_MT_FRAME_SIZE);
if (FAILED(hr))
{
goto done;
}
hr = CopyAttribute(pSrcMediaType, pNewMediaType, MF_MT_FRAME_RATE);
if (FAILED(hr))
{
goto done;
}
hr = CopyAttribute(pSrcMediaType, pNewMediaType, MF_MT_PIXEL_ASPECT_RATIO);
if (FAILED(hr))
{
goto done;
}
hr = CopyAttribute(pSrcMediaType, pNewMediaType, MF_MT_INTERLACE_MODE);
if (FAILED(hr))
{
goto done;
}
*ppNewMediaType = pNewMediaType;
(*ppNewMediaType)->AddRef();
done:
SafeRelease(&pNewMediaType);
return hr;
}
IMFMediaType* MFDecoderSourceReader::setSource(IMFMediaSource *source, const QAudioFormat &audioFormat)
{
IMFMediaType *mediaType = NULL;
if (m_source == source)
return mediaType;
if (m_source) {
m_source->Release();
m_source = NULL;
}
if (m_sourceReader) {
m_sourceReader->Release();
m_sourceReader = NULL;
}
if (!source)
return mediaType;
IMFAttributes *attr = NULL;
MFCreateAttributes(&attr, 1);
if (SUCCEEDED(attr->SetUnknown(MF_SOURCE_READER_ASYNC_CALLBACK, this))) {
if (SUCCEEDED(MFCreateSourceReaderFromMediaSource(source, attr, &m_sourceReader))) {
m_source = source;
m_source->AddRef();
m_sourceReader->SetStreamSelection(DWORD(MF_SOURCE_READER_ALL_STREAMS), FALSE);
m_sourceReader->SetStreamSelection(DWORD(MF_SOURCE_READER_FIRST_AUDIO_STREAM), TRUE);
IMFMediaType *pPartialType = NULL;
MFCreateMediaType(&pPartialType);
pPartialType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Audio);
if (audioFormat.sampleType() == QAudioFormat::Float) {
pPartialType->SetGUID(MF_MT_SUBTYPE, MFAudioFormat_Float);
} else {
pPartialType->SetGUID(MF_MT_SUBTYPE, MFAudioFormat_PCM);
}
m_sourceReader->SetCurrentMediaType(DWORD(MF_SOURCE_READER_FIRST_AUDIO_STREAM), NULL, pPartialType);
pPartialType->Release();
m_sourceReader->GetCurrentMediaType(DWORD(MF_SOURCE_READER_FIRST_AUDIO_STREAM), &mediaType);
// Ensure the stream is selected.
m_sourceReader->SetStreamSelection(DWORD(MF_SOURCE_READER_FIRST_AUDIO_STREAM), TRUE);
}
attr->Release();
}
return mediaType;
}
int select_input_mediatype(IMFTransform *transform, int in_stream_id, ADTSData adts,
UINT8 *user_data, UINT32 user_data_len, GUID audio_format) {
HRESULT hr = S_OK;
IMFMediaType *t;
// actually you can get rid of the whole block of searching and filtering mess
// if you know the exact parameters of your media stream
hr = MFCreateMediaType(&t);
if (FAILED(hr))
{
ReportError(L"Unable to create an empty MediaType", hr);
return -1;
}
// basic definition
t->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Audio);
t->SetGUID(MF_MT_SUBTYPE, audio_format);
// see https://docs.microsoft.com/en-us/windows/desktop/medfound/aac-decoder#example-media-types
// and https://docs.microsoft.com/zh-cn/windows/desktop/api/mmreg/ns-mmreg-heaacwaveinfo_tag
// for the meaning of the byte array below
// for integrate into a larger project, it is recommended to wrap the parameters into a struct
// and pass that struct into the function
// const UINT8 aac_data[] = { 0x01, 0x00, 0xfe, 00, 00, 00, 00, 00, 00, 00, 00, 00, 0x11, 0x90 };
// 0: raw aac 1: adts 2: adif 3: latm/laos
t->SetUINT32(MF_MT_AAC_PAYLOAD_TYPE, 1);
t->SetUINT32(MF_MT_AUDIO_NUM_CHANNELS, adts.channels);
t->SetUINT32(MF_MT_AUDIO_SAMPLES_PER_SECOND, adts.samplerate);
// 0xfe = 254 = "unspecified"
t->SetUINT32(MF_MT_AAC_AUDIO_PROFILE_LEVEL_INDICATION, 254);
t->SetUINT32(MF_MT_AUDIO_BLOCK_ALIGNMENT, 1);
t->SetBlob(MF_MT_USER_DATA, user_data, user_data_len);
hr = transform->SetInputType(in_stream_id, t, 0);
if (FAILED(hr))
{
ReportError(L"failed to select input types for MFT", hr);
return -1;
}
return 0;
}
HRESULT CEvrCustomMixer::GetInputAvailableType(DWORD dwIndex, IMFMediaType **ppType)
{
HRESULT hr;
IMFMediaType *pmt;
*ppType = 0;
if (dwIndex >= s_nAvailableInputTypes)
return MF_E_NO_MORE_TYPES;
hr = CDynLibManager::GetInstance()->pfnMFCreateMediaType(&pmt);
if (SUCCEEDED(hr))
{
hr = pmt->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
ASSERT(SUCCEEDED(hr));
hr = pmt->SetGUID(MF_MT_SUBTYPE, s_pAvailableInputTypes[dwIndex]);
ASSERT(SUCCEEDED(hr));
*ppType = pmt;
}
return hr;
}
HRESULT CreatePhotoMediaType(IMFMediaType *pSrcMediaType, IMFMediaType **ppPhotoMediaType)
{
*ppPhotoMediaType = NULL;
const UINT32 uiFrameRateNumerator = 30;
const UINT32 uiFrameRateDenominator = 1;
IMFMediaType *pPhotoMediaType = NULL;
HRESULT hr = MFCreateMediaType(&pPhotoMediaType);
if (FAILED(hr))
{
goto done;
}
hr = pPhotoMediaType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Image);
if (FAILED(hr))
{
goto done;
}
hr = pPhotoMediaType->SetGUID(MF_MT_SUBTYPE, GUID_ContainerFormatJpeg);
if (FAILED(hr))
{
goto done;
}
hr = CopyAttribute(pSrcMediaType, pPhotoMediaType, MF_MT_FRAME_SIZE);
if (FAILED(hr))
{
goto done;
}
*ppPhotoMediaType = pPhotoMediaType;
(*ppPhotoMediaType)->AddRef();
done:
SafeRelease(&pPhotoMediaType);
return hr;
}
// Called by the constructor only (for setting up the IMFTransform)
//
// Thread context: Dialog window thread
bool DecoderMF::CreateInputMediaType(IMFMediaType** mediaType)
{
bool ret = false;
HRESULT hr;
IMFMediaType* newMediaType = NULL;
if (mediaType == NULL)
return false;
hr = MFCreateMediaType(&newMediaType);
if (FAILED(hr))
goto bail;
hr = newMediaType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
if (FAILED(hr))
goto bail;
hr = newMediaType->SetGUID(MF_MT_SUBTYPE, MFVideoFormat_H264);
if (FAILED(hr))
goto bail;
ret = true;
bail:
if (ret == false)
{
if (newMediaType != NULL)
{
newMediaType->Release();
newMediaType = NULL;
}
}
else
{
*mediaType = newMediaType;
}
return ret;
}
HRESULT CMFCamCapture::init()
{
IMFMediaType *pType = NULL;
HRESULT hr;
CHECK_HR(hr = CoInitializeEx(NULL, COINIT_MULTITHREADED));
CHECK_HR(hr = MFStartup(MF_VERSION));
// Configure the media type that the Sample Grabber will receive.
// Setting the major and subtype is usually enough for the topology loader
// to resolve the topology.
CHECK_HR(hr = MFCreateMediaType(&pType));
CHECK_HR(hr = pType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video));
CHECK_HR(hr = pType->SetGUID(MF_MT_SUBTYPE, MFVideoFormat_RGB24));
// Create the sample grabber sink.
CHECK_HR(hr = SampleGrabberCB::CreateInstance(&m_spSampleGrabber));
CHECK_HR(hr = MFCreateSampleGrabberSinkActivate(pType, m_spSampleGrabber, &m_spSinkActivate));
// To run as fast as possible, set this attribute (requires Windows 7):
CHECK_HR(hr = m_spSinkActivate->SetUINT32(MF_SAMPLEGRABBERSINK_IGNORE_CLOCK, TRUE));
// Create the Media Session.
CHECK_HR(hr = MFCreateMediaSession(NULL, &m_spSession));
CHECK_HR(hr = enumVideoDevices());
CHECK_HR(hr = setupVideoDevice());
CHECK_HR(hr = setupMfSession());
done:
SafeRelease(&pType);
return hr;
}
STDMETHODIMP CDecWMV9MFT::InitDecoder(AVCodecID codec, const CMediaType *pmt)
{
HRESULT hr = S_OK;
DbgLog((LOG_TRACE, 10, L"CDecWMV9MFT::InitDecoder(): Initializing WMV9 MFT decoder"));
DestroyDecoder(false);
BITMAPINFOHEADER *pBMI = nullptr;
REFERENCE_TIME rtAvg = 0;
DWORD dwARX = 0, dwARY = 0;
videoFormatTypeHandler(*pmt, &pBMI, &rtAvg, &dwARX, &dwARY);
size_t extralen = 0;
BYTE *extra = nullptr;
getExtraData(*pmt, nullptr, &extralen);
if (extralen > 0) {
extra = (BYTE *)av_mallocz(extralen + FF_INPUT_BUFFER_PADDING_SIZE);
getExtraData(*pmt, extra, &extralen);
}
if (codec == AV_CODEC_ID_VC1 && extralen) {
size_t i = 0;
for (i = 0; i < (extralen - 4); i++) {
uint32_t code = AV_RB32(extra + i);
if ((code & ~0xFF) == 0x00000100)
break;
}
if (i == 0) {
memmove(extra + 1, extra, extralen);
*extra = 0;
extralen++;
} else if (i > 1) {
DbgLog((LOG_TRACE, 10, L"-> VC-1 Header at position %u (should be 0 or 1)", i));
}
}
if (extralen > 0) {
m_vc1Header = new CVC1HeaderParser(extra, extralen, codec);
}
/* Create input type */
m_nCodecId = codec;
IMFMediaType *pMTIn = nullptr;
MF.CreateMediaType(&pMTIn);
pMTIn->SetUINT32(MF_MT_COMPRESSED, TRUE);
pMTIn->SetUINT32(MF_MT_ALL_SAMPLES_INDEPENDENT, FALSE);
pMTIn->SetUINT32(MF_MT_FIXED_SIZE_SAMPLES, FALSE);
pMTIn->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
pMTIn->SetGUID(MF_MT_SUBTYPE, VerifySubtype(codec, pmt->subtype));
MFSetAttributeSize(pMTIn, MF_MT_FRAME_SIZE, pBMI->biWidth, pBMI->biHeight);
UINT32 rateNum = 0, rateDen = 0;
MF.AverageTimePerFrameToFrameRate(rtAvg, &rateNum, &rateDen);
MFSetAttributeRatio(pMTIn, MF_MT_FRAME_RATE, rateNum, rateDen);
pMTIn->SetBlob(MF_MT_USER_DATA, extra, (UINT32)extralen);
av_freep(&extra);
hr = m_pMFT->SetInputType(0, pMTIn, 0);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> Failed to set input type on MFT"));
return hr;
}
/* Create output type */
hr = SelectOutputType();
SafeRelease(&pMTIn);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> Failed to set output type on MFT"));
return hr;
}
IMFMediaType *pMTOut = nullptr;
m_pMFT->GetOutputCurrentType(0, &pMTOut);
m_bInterlaced = MFGetAttributeUINT32(pMTOut, MF_MT_INTERLACE_MODE, MFVideoInterlace_Unknown) > MFVideoInterlace_Progressive;
SafeRelease(&pMTOut);
m_bManualReorder = (codec == AV_CODEC_ID_VC1) && !(m_pCallback->GetDecodeFlags() & LAV_VIDEO_DEC_FLAG_ONLY_DTS);
return S_OK;
}
/** Cobbled together from:
http://msdn.microsoft.com/en-us/library/dd757929(v=vs.85).aspx
and http://msdn.microsoft.com/en-us/library/dd317928(VS.85).aspx
-- Albert
If anything in here fails, just bail. I'm not going to decode HRESULTS.
-- Bill
*/
bool SoundSourceMediaFoundation::configureAudioStream(const AudioSourceConfig& audioSrcCfg) {
HRESULT hr;
// deselect all streams, we only want the first
hr = m_pSourceReader->SetStreamSelection(
MF_SOURCE_READER_ALL_STREAMS, false);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to deselect all streams";
return false;
}
hr = m_pSourceReader->SetStreamSelection(
kStreamIndex, true);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to select first audio stream";
return false;
}
IMFMediaType* pAudioType = nullptr;
hr = m_pSourceReader->GetCurrentMediaType(
kStreamIndex, &pAudioType);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to get current media type from stream";
return false;
}
//------ Get bitrate from the file, before we change it to get uncompressed audio
UINT32 avgBytesPerSecond;
hr = pAudioType->GetUINT32(MF_MT_AUDIO_AVG_BYTES_PER_SECOND, &avgBytesPerSecond);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "error getting MF_MT_AUDIO_AVG_BYTES_PER_SECOND";
return false;
}
setBitrate( (avgBytesPerSecond * 8) / 1000);
//------
hr = pAudioType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Audio);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to set major type to audio";
safeRelease(&pAudioType);
return false;
}
hr = pAudioType->SetGUID(MF_MT_SUBTYPE, MFAudioFormat_Float);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to set subtype format to float";
safeRelease(&pAudioType);
return false;
}
hr = pAudioType->SetUINT32(MF_MT_ALL_SAMPLES_INDEPENDENT, true);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to set all samples independent";
safeRelease(&pAudioType);
return false;
}
hr = pAudioType->SetUINT32(MF_MT_FIXED_SIZE_SAMPLES, true);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to set fixed size samples";
safeRelease(&pAudioType);
return false;
}
hr = pAudioType->SetUINT32(
MF_MT_AUDIO_BITS_PER_SAMPLE, kBitsPerSample);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to set bits per sample:"
<< kBitsPerSample;
safeRelease(&pAudioType);
return false;
}
const UINT sampleSize = kLeftoverSize * kBytesPerSample;
hr = pAudioType->SetUINT32(
MF_MT_SAMPLE_SIZE, sampleSize);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to set sample size:"
<< sampleSize;
safeRelease(&pAudioType);
return false;
}
UINT32 numChannels;
hr = pAudioType->GetUINT32(
MF_MT_AUDIO_NUM_CHANNELS, &numChannels);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to get actual number of channels";
return false;
} else {
qDebug() << "Number of channels in input stream" << numChannels;
}
if (audioSrcCfg.hasValidChannelCount()) {
numChannels = audioSrcCfg.getChannelCount();
hr = pAudioType->SetUINT32(
MF_MT_AUDIO_NUM_CHANNELS, numChannels);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to set number of channels:"
<< numChannels;
safeRelease(&pAudioType);
return false;
}
qDebug() << "Requested number of channels" << numChannels;
}
UINT32 samplesPerSecond;
hr = pAudioType->GetUINT32(
MF_MT_AUDIO_SAMPLES_PER_SECOND, &samplesPerSecond);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to get samples per second";
return false;
} else {
qDebug() << "Samples per second in input stream" << samplesPerSecond;
}
if (audioSrcCfg.hasValidSamplingRate()) {
samplesPerSecond = audioSrcCfg.getSamplingRate();
hr = pAudioType->SetUINT32(
MF_MT_AUDIO_SAMPLES_PER_SECOND, samplesPerSecond);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to set samples per second:"
<< samplesPerSecond;
safeRelease(&pAudioType);
return false;
}
qDebug() << "Requested samples per second" << samplesPerSecond;
}
// Set this type on the source reader. The source reader will
// load the necessary decoder.
hr = m_pSourceReader->SetCurrentMediaType(
kStreamIndex, nullptr, pAudioType);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to set media type";
safeRelease(&pAudioType);
return false;
}
// Finally release the reference before reusing the pointer
safeRelease(&pAudioType);
// Get the resulting output format.
hr = m_pSourceReader->GetCurrentMediaType(
kStreamIndex, &pAudioType);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to retrieve completed media type";
return false;
}
// Ensure the stream is selected.
hr = m_pSourceReader->SetStreamSelection(
kStreamIndex, true);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to select first audio stream (again)";
return false;
}
hr = pAudioType->GetUINT32(
MF_MT_AUDIO_NUM_CHANNELS, &numChannels);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to get actual number of channels";
return false;
}
setChannelCount(numChannels);
hr = pAudioType->GetUINT32(
MF_MT_AUDIO_SAMPLES_PER_SECOND, &samplesPerSecond);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to get the actual sample rate";
return false;
}
setSamplingRate(samplesPerSecond);
UINT32 leftoverBufferSizeInBytes = 0;
hr = pAudioType->GetUINT32(MF_MT_SAMPLE_SIZE, &leftoverBufferSizeInBytes);
if (FAILED(hr)) {
qWarning() << kLogPreamble << hr
<< "failed to get sample buffer size (in bytes)";
return false;
}
DEBUG_ASSERT((leftoverBufferSizeInBytes % kBytesPerSample) == 0);
m_sampleBuffer.resetCapacity(leftoverBufferSizeInBytes / kBytesPerSample);
DEBUG_ASSERT(m_sampleBuffer.getCapacity() > 0);
qDebug() << kLogPreamble
<< "Sample buffer capacity"
<< m_sampleBuffer.getCapacity();
// Finally release the reference
safeRelease(&pAudioType);
return true;
}
unsigned char *BBWin8Game::LoadAudioData( String path,int *length,int *channels,int *format,int *hertz ){
String url=PathToFilePath( path );
DXASS( MFStartup( MF_VERSION ) );
IMFAttributes *attrs;
DXASS( MFCreateAttributes( &attrs,1 ) );
DXASS( attrs->SetUINT32( MF_LOW_LATENCY,TRUE ) );
IMFSourceReader *reader;
DXASS( MFCreateSourceReaderFromURL( url.ToCString<wchar_t>(),attrs,&reader ) );
attrs->Release();
IMFMediaType *mediaType;
DXASS( MFCreateMediaType( &mediaType ) );
DXASS( mediaType->SetGUID( MF_MT_MAJOR_TYPE,MFMediaType_Audio ) );
DXASS( mediaType->SetGUID( MF_MT_SUBTYPE,MFAudioFormat_PCM ) );
DXASS( reader->SetCurrentMediaType( MF_SOURCE_READER_FIRST_AUDIO_STREAM,0,mediaType ) );
mediaType->Release();
IMFMediaType *outputMediaType;
DXASS( reader->GetCurrentMediaType( MF_SOURCE_READER_FIRST_AUDIO_STREAM,&outputMediaType ) );
WAVEFORMATEX *wformat;
uint32 formatByteCount=0;
DXASS( MFCreateWaveFormatExFromMFMediaType( outputMediaType,&wformat,&formatByteCount ) );
*channels=wformat->nChannels;
*format=wformat->wBitsPerSample/8;
*hertz=wformat->nSamplesPerSec;
CoTaskMemFree( wformat );
outputMediaType->Release();
/*
PROPVARIANT var;
DXASS( reader->GetPresentationAttribute( MF_SOURCE_READER_MEDIASOURCE,MF_PD_DURATION,&var ) );
LONGLONG duration=var.uhVal.QuadPart;
float64 durationInSeconds=(duration / (float64)(10000 * 1000));
m_maxStreamLengthInBytes=(uint32)( durationInSeconds * m_waveFormat.nAvgBytesPerSec );
*/
std::vector<unsigned char*> bufs;
std::vector<uint32> lens;
uint32 len=0;
for( ;; ){
uint32 flags=0;
IMFSample *sample;
DXASS( reader->ReadSample( MF_SOURCE_READER_FIRST_AUDIO_STREAM,0,0,reinterpret_cast<DWORD*>(&flags),0,&sample ) );
if( flags & MF_SOURCE_READERF_ENDOFSTREAM ){
break;
}
if( sample==0 ){
abort();
}
IMFMediaBuffer *mediaBuffer;
DXASS( sample->ConvertToContiguousBuffer( &mediaBuffer ) );
uint8 *audioData=0;
uint32 sampleBufferLength=0;
DXASS( mediaBuffer->Lock( &audioData,0,reinterpret_cast<DWORD*>( &sampleBufferLength ) ) );
unsigned char *buf=(unsigned char*)malloc( sampleBufferLength );
memcpy( buf,audioData,sampleBufferLength );
bufs.push_back( buf );
lens.push_back( sampleBufferLength );
len+=sampleBufferLength;
DXASS( mediaBuffer->Unlock() );
mediaBuffer->Release();
sample->Release();
}
reader->Release();
*length=len/(*channels * *format);
unsigned char *data=(unsigned char*)malloc( len );
unsigned char *p=data;
for( int i=0;i<bufs.size();++i ){
memcpy( p,bufs[i],lens[i] );
free( bufs[i] );
p+=lens[i];
}
gc_force_sweep=true;
return data;
}
HRESULT CHWMFT::GetInputAvailableType(
DWORD dwInputStreamID,
DWORD dwTypeIndex,
IMFMediaType** ppType)
{
/*****************************************
** Todo: This function will return a media
** type at a given index. The SDK
** implementation uses a static array of
** media types. Your MFT may want to use
** a dynamic array and modify the list
** order depending on the MFTs state
** See http://msdn.microsoft.com/en-us/library/ms704814(v=VS.85).aspx
*****************************************/
HRESULT hr = S_OK;
IMFMediaType* pMT = NULL;
do
{
if(IsLocked() != FALSE)
{
hr = MF_E_TRANSFORM_ASYNC_LOCKED;
break;
}
if(ppType == NULL)
{
hr = E_POINTER;
break;
}
/*****************************************
** Todo: If your MFT supports more than one
** stream, make sure you modify
** MFT_MAX_STREAMS and adjust this function
** accordingly
*****************************************/
if(dwInputStreamID >= MFT_MAX_STREAMS)
{
hr = MF_E_INVALIDSTREAMNUMBER;
break;
}
/*****************************************
** Todo: Modify the accepted input list
** g_ppguidInputTypes or use your own
** implementation of this function
*****************************************/
if(dwTypeIndex >= g_dwNumInputTypes)
{
hr = MF_E_NO_MORE_TYPES;
break;
}
{
CAutoLock lock(&m_csLock);
hr = MFCreateMediaType(&pMT);
if(FAILED(hr))
{
break;
}
hr = pMT->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
if(FAILED(hr))
{
break;
}
hr = pMT->SetGUID(MF_MT_SUBTYPE, *(g_ppguidInputTypes[dwTypeIndex]));
if(FAILED(hr))
{
break;
}
(*ppType) = pMT;
(*ppType)->AddRef();
}
}while(false);
SAFERELEASE(pMT);
return hr;
}
HRESULT ConfigureSourceReader(IMFSourceReader *pReader)
{
// The list of acceptable types.
GUID subtypes[] = {
MFVideoFormat_NV12, MFVideoFormat_YUY2, MFVideoFormat_UYVY,
MFVideoFormat_RGB32, MFVideoFormat_RGB24, MFVideoFormat_IYUV
};
HRESULT hr = S_OK;
BOOL bUseNativeType = FALSE;
GUID subtype = { 0 };
IMFMediaType *pType = NULL;
// If the source's native format matches any of the formats in
// the list, prefer the native format.
// Note: The camera might support multiple output formats,
// including a range of frame dimensions. The application could
// provide a list to the user and have the user select the
// camera's output format. That is outside the scope of this
// sample, however.
hr = pReader->GetNativeMediaType(
(DWORD)MF_SOURCE_READER_FIRST_VIDEO_STREAM,
0, // Type index
&pType
);
if (FAILED(hr)) { goto done; }
hr = pType->GetGUID(MF_MT_SUBTYPE, &subtype);
if (FAILED(hr)) { goto done; }
for (UINT32 i = 0; i < ARRAYSIZE(subtypes); i++)
{
if (subtype == subtypes[i])
{
hr = pReader->SetCurrentMediaType(
(DWORD)MF_SOURCE_READER_FIRST_VIDEO_STREAM,
NULL,
pType
);
bUseNativeType = TRUE;
break;
}
}
if (!bUseNativeType)
{
// None of the native types worked. The camera might offer
// output a compressed type such as MJPEG or DV.
// Try adding a decoder.
for (UINT32 i = 0; i < ARRAYSIZE(subtypes); i++)
{
hr = pType->SetGUID(MF_MT_SUBTYPE, subtypes[i]);
if (FAILED(hr)) { goto done; }
hr = pReader->SetCurrentMediaType(
(DWORD)MF_SOURCE_READER_FIRST_VIDEO_STREAM,
NULL,
pType
);
if (SUCCEEDED(hr))
{
break;
}
}
}
done:
SafeRelease(&pType);
return hr;
}
HRESULT CHWMFT::GetOutputAvailableType(
DWORD dwOutputStreamID,
DWORD dwTypeIndex,
IMFMediaType** ppType)
{
/*****************************************
** Todo: This function will return a media
** type at a given index. The SDK
** implementation uses a static array of
** media types. Your MFT may want to use
** a dynamic array and modify the list
** order depending on the MFTs state
** See http://msdn.microsoft.com/en-us/library/ms703812(v=VS.85).aspx
*****************************************/
HRESULT hr = S_OK;
IMFMediaType* pMT = NULL;
do
{
if(IsLocked() != FALSE)
{
hr = MF_E_TRANSFORM_ASYNC_LOCKED;
break;
}
if(ppType == NULL)
{
hr = E_POINTER;
break;
}
/*****************************************
** Todo: If your MFT supports more than one
** stream, make sure you modify
** MFT_MAX_STREAMS and adjust this function
** accordingly
*****************************************/
if(dwOutputStreamID >= MFT_MAX_STREAMS)
{
hr = MF_E_INVALIDSTREAMNUMBER;
break;
}
/*****************************************
** Todo: Modify the accepted output list
** g_ppguidOutputTypes or use your own
** implementation of this function
*****************************************/
if(dwTypeIndex >= g_dwNumOutputTypes)
{
hr = MF_E_NO_MORE_TYPES;
break;
}
{
CAutoLock lock(&m_csLock);
hr = MFCreateMediaType(&pMT);
if(FAILED(hr))
{
break;
}
hr = pMT->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
if(FAILED(hr))
{
break;
}
hr = pMT->SetGUID(MF_MT_SUBTYPE, *(g_ppguidOutputTypes[dwTypeIndex]));
if(FAILED(hr))
{
break;
}
/*****************************************
** Todo: The following implementation
** forces a standard output resolution
** and framerate. Your MFT should set these
** values properly and update the Media
** Type as necessary after decoding the
** stream
*****************************************/
hr = MFSetAttributeSize(pMT, MF_MT_FRAME_SIZE, MFT_OUTPUT_WIDTH, MFT_OUTPUT_HEIGHT);
if(FAILED(hr))
{
break;
}
hr = MFSetAttributeRatio(pMT, MF_MT_FRAME_RATE, MFT_FRAMERATE_NUMERATOR, MFT_FRAMERATE_DENOMINATOR);
if(FAILED(hr))
{
break;
}
(*ppType) = pMT;
(*ppType)->AddRef();
}
}while(false);
SAFERELEASE(pMT);
return hr;
}
TargetFileMediaFoundation::TargetFileMediaFoundation( const DataTargetRef &dataTarget, size_t sampleRate, size_t numChannels, SampleType sampleType, const std::string &extension )
: TargetFile( dataTarget, sampleRate, numChannels, sampleType ), mStreamIndex( 0 )
{
MediaFoundationInitializer::initMediaFoundation();
::IMFSinkWriter *sinkWriter;
HRESULT hr = ::MFCreateSinkWriterFromURL( dataTarget->getFilePath().wstring().c_str(), NULL, NULL, &sinkWriter );
if( hr != S_OK ) {
string errorString = string( "TargetFileMediaFoundation: Failed to create SinkWriter from URL: " ) + dataTarget->getFilePath().string();
if( hr == HRESULT_FROM_WIN32( ERROR_FILE_NOT_FOUND ) )
errorString += ", file not found.";
throw AudioFileExc( errorString );
}
mSinkWriter = ci::msw::makeComUnique( sinkWriter );
mSampleSize = getBytesPerSample( mSampleType );
const UINT32 bitsPerSample = 8 * mSampleSize;
const WORD blockAlignment = mNumChannels * mSampleSize;
const DWORD averageBytesPerSecond = mSampleRate * blockAlignment;
// Set the output media type.
IMFMediaType *mediaType;
hr = ::MFCreateMediaType( &mediaType );
CI_ASSERT( hr == S_OK );
auto mediaTypeManaged = ci::msw::makeComUnique( mediaType );
hr = mediaType->SetGUID( MF_MT_MAJOR_TYPE, MFMediaType_Audio );
CI_ASSERT( hr == S_OK );
const ::GUID audioFormat = getMfAudioFormat( mSampleType );
hr = mediaType->SetGUID( MF_MT_SUBTYPE, audioFormat );
CI_ASSERT( hr == S_OK );
hr = mediaType->SetUINT32( MF_MT_AUDIO_SAMPLES_PER_SECOND, (UINT32)mSampleRate );
CI_ASSERT( hr == S_OK );
hr = mediaType->SetUINT32( MF_MT_AUDIO_BITS_PER_SAMPLE, bitsPerSample );
CI_ASSERT( hr == S_OK );
hr = mediaType->SetUINT32( MF_MT_AUDIO_BLOCK_ALIGNMENT, blockAlignment );
CI_ASSERT( hr == S_OK );
hr = mediaType->SetUINT32( MF_MT_AUDIO_AVG_BYTES_PER_SECOND, averageBytesPerSecond );
CI_ASSERT( hr == S_OK );
hr = mediaType->SetUINT32( MF_MT_AUDIO_NUM_CHANNELS, (UINT32)mNumChannels );
CI_ASSERT( hr == S_OK );
hr = mediaType->SetUINT32( MF_MT_ALL_SAMPLES_INDEPENDENT, 1 );
CI_ASSERT( hr == S_OK );
hr = mediaType->SetUINT32( MF_MT_FIXED_SIZE_SAMPLES, 1 );
CI_ASSERT( hr == S_OK );
hr = mSinkWriter->AddStream( mediaType, &mStreamIndex );
CI_ASSERT( hr == S_OK );
// Tell the sink writer to start accepting data.
hr = mSinkWriter->BeginWriting();
CI_ASSERT( hr == S_OK );
}
bool initialise()
{
UINT32 videoDeviceCount = 0;
IMFAttributes *videoConfig = NULL;
IMFActivate **videoDevices = NULL;
WCHAR *webcamFriendlyName;
CHECK_HR(MFTRegisterLocalByCLSID(
__uuidof(CColorConvertDMO),
MFT_CATEGORY_VIDEO_PROCESSOR,
L"",
MFT_ENUM_FLAG_SYNCMFT,
0,
NULL,
0,
NULL
), "Error registering colour converter DSP.\n");
// Get the first available webcam.
CHECK_HR(MFCreateAttributes(&videoConfig, 1), "Error creating video configuation.\n");
// Request video capture devices.
CHECK_HR(videoConfig->SetGUID(
MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE,
MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_GUID), "Error initialising video configuration object.");
CHECK_HR(MFEnumDeviceSources(videoConfig, &videoDevices, &videoDeviceCount), "Error enumerating video devices.\n");
CHECK_HR(videoDevices[WEBCAM_DEVICE_INDEX]->GetAllocatedString(MF_DEVSOURCE_ATTRIBUTE_FRIENDLY_NAME, &webcamFriendlyName, NULL), "Error retrieving vide device friendly name.\n");
wprintf(L"First available webcam: %s\n", webcamFriendlyName);
CHECK_HR(videoDevices[WEBCAM_DEVICE_INDEX]->ActivateObject(IID_PPV_ARGS(&videoSource)), "Error activating video device.\n");
// Create a source reader.
CHECK_HR(MFCreateSourceReaderFromMediaSource(
videoSource,
videoConfig,
&_videoReader), "Error creating video source reader.\n");
//ListModes(_videoReader);
CHECK_HR(_videoReader->GetCurrentMediaType(
(DWORD)MF_SOURCE_READER_FIRST_VIDEO_STREAM,
&videoSourceOutputType), "Error retrieving current media type from first video stream.\n");
Console::WriteLine(GetMediaTypeDescription(videoSourceOutputType));
// Note the webcam needs to support this media type. The list of media types supported can be obtained using the ListTypes function in MFUtility.h.
MFCreateMediaType(&pSrcOutMediaType);
pSrcOutMediaType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
//pSrcOutMediaType->SetGUID(MF_MT_SUBTYPE, WMMEDIASUBTYPE_I420);
pSrcOutMediaType->SetGUID(MF_MT_SUBTYPE, MFVideoFormat_RGB24);
MFSetAttributeSize(pSrcOutMediaType, MF_MT_FRAME_SIZE, CAMERA_RESOLUTION_WIDTH, CAMERA_RESOLUTION_HEIGHT);
CHECK_HR(MFSetAttributeRatio(pSrcOutMediaType, MF_MT_FRAME_RATE, TARGET_FRAME_RATE, 1), "Failed to set frame rate on video device out type.\n");
CHECK_HR(_videoReader->SetCurrentMediaType(0, NULL, pSrcOutMediaType), "Failed to set media type on source reader.\n");
//CHECK_HR(_videoReader->SetCurrentMediaType(0, NULL, videoSourceOutputType), "Failed to setdefault media type on source reader.\n");
// Create H.264 encoder.
CHECK_HR(CoCreateInstance(CLSID_CMSH264EncoderMFT, NULL, CLSCTX_INPROC_SERVER,
IID_IUnknown, (void**)&spTransformUnk), "Failed to create H264 encoder MFT.\n");
CHECK_HR(spTransformUnk->QueryInterface(IID_PPV_ARGS(&_pTransform)), "Failed to get IMFTransform interface from H264 encoder MFT object.\n");
MFCreateMediaType(&pMFTOutputMediaType);
pMFTOutputMediaType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
pMFTOutputMediaType->SetGUID(MF_MT_SUBTYPE, MFVideoFormat_H264);
//pMFTOutputMediaType->SetUINT32(MF_MT_AVG_BITRATE, 240000);
CHECK_HR(pMFTOutputMediaType->SetUINT32(MF_MT_AVG_BITRATE, TARGET_AVERAGE_BIT_RATE), "Failed to set average bit rate on H264 output media type.\n");
CHECK_HR(MFSetAttributeSize(pMFTOutputMediaType, MF_MT_FRAME_SIZE, CAMERA_RESOLUTION_WIDTH, CAMERA_RESOLUTION_HEIGHT), "Failed to set frame size on H264 MFT out type.\n");
CHECK_HR(MFSetAttributeRatio(pMFTOutputMediaType, MF_MT_FRAME_RATE, TARGET_FRAME_RATE, 1), "Failed to set frame rate on H264 MFT out type.\n");
CHECK_HR(MFSetAttributeRatio(pMFTOutputMediaType, MF_MT_PIXEL_ASPECT_RATIO, 1, 1), "Failed to set aspect ratio on H264 MFT out type.\n");
pMFTOutputMediaType->SetUINT32(MF_MT_INTERLACE_MODE, 2); // 2 = Progressive scan, i.e. non-interlaced.
pMFTOutputMediaType->SetUINT32(MF_MT_ALL_SAMPLES_INDEPENDENT, TRUE);
//CHECK_HR(MFSetAttributeRatio(pMFTOutputMediaType, MF_MT_MPEG2_PROFILE, eAVEncH264VProfile_Base), "Failed to set profile on H264 MFT out type.\n");
//CHECK_HR(pMFTOutputMediaType->SetDouble(MF_MT_MPEG2_LEVEL, 3.1), "Failed to set level on H264 MFT out type.\n");
//CHECK_HR(pMFTOutputMediaType->SetUINT32(MF_MT_MAX_KEYFRAME_SPACING, 10), "Failed to set key frame interval on H264 MFT out type.\n");
//CHECK_HR(pMFTOutputMediaType->SetUINT32(CODECAPI_AVEncCommonQuality, 100), "Failed to set H264 codec qulaity.\n");
//hr = pAttributes->SetUINT32(CODECAPI_AVEncMPVGOPSize, 1)
CHECK_HR(_pTransform->SetOutputType(0, pMFTOutputMediaType, 0), "Failed to set output media type on H.264 encoder MFT.\n");
MFCreateMediaType(&pMFTInputMediaType);
pMFTInputMediaType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
pMFTInputMediaType->SetGUID(MF_MT_SUBTYPE, MFVideoFormat_IYUV);
CHECK_HR(MFSetAttributeSize(pMFTInputMediaType, MF_MT_FRAME_SIZE, CAMERA_RESOLUTION_WIDTH, CAMERA_RESOLUTION_HEIGHT), "Failed to set frame size on H264 MFT out type.\n");
CHECK_HR(MFSetAttributeRatio(pMFTInputMediaType, MF_MT_FRAME_RATE, TARGET_FRAME_RATE, 1), "Failed to set frame rate on H264 MFT out type.\n");
CHECK_HR(MFSetAttributeRatio(pMFTInputMediaType, MF_MT_PIXEL_ASPECT_RATIO, 1, 1), "Failed to set aspect ratio on H264 MFT out type.\n");
pMFTInputMediaType->SetUINT32(MF_MT_INTERLACE_MODE, 2);
CHECK_HR(_pTransform->SetInputType(0, pMFTInputMediaType, 0), "Failed to set input media type on H.264 encoder MFT.\n");
CHECK_HR(_pTransform->GetInputStatus(0, &mftStatus), "Failed to get input status from H.264 MFT.\n");
if (MFT_INPUT_STATUS_ACCEPT_DATA != mftStatus) {
printf("E: ApplyTransform() pTransform->GetInputStatus() not accept data.\n");
goto done;
}
//Console::WriteLine(GetMediaTypeDescription(pMFTOutputMediaType));
CHECK_HR(_pTransform->ProcessMessage(MFT_MESSAGE_COMMAND_FLUSH, NULL), "Failed to process FLUSH command on H.264 MFT.\n");
CHECK_HR(_pTransform->ProcessMessage(MFT_MESSAGE_NOTIFY_BEGIN_STREAMING, NULL), "Failed to process BEGIN_STREAMING command on H.264 MFT.\n");
CHECK_HR(_pTransform->ProcessMessage(MFT_MESSAGE_NOTIFY_START_OF_STREAM, NULL), "Failed to process START_OF_STREAM command on H.264 MFT.\n");
memset(&_outputDataBuffer, 0, sizeof _outputDataBuffer);
return true;
done:
printf("MediaFoundationH264LiveSource initialisation failed.\n");
return false;
}
VideoCompressorResult VideoCompressor::OpenFile(const String &Filename, UINT Width, UINT Height, UINT BitRate, UINT FrameRate, UINT AudioDeviceIndex, Clock *Timer)
{
VideoCompressorResult Result = VideoCompressorResultSuccess;
_Width = Width;
_Height = Height;
_CapturingAudio = (AudioDeviceIndex != 0xFFFFFFFF);
_Clock = Timer;
HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED | COINIT_DISABLE_OLE1DDE);
//PersistentAssert(SUCCEEDED(hr), "CoInitializeEx failed");
hr = MFStartup(MF_VERSION);
PersistentAssert(SUCCEEDED(hr), "MFStartup failed");
hr = MFCreateSinkWriterFromURL(
UnicodeString(Filename).CString(),
NULL,
NULL,
&_Writer
);
PersistentAssert(SUCCEEDED(hr), "MFCreateSinkWriterFromURL failed");
const UINT RawBufferSize = Width * Height * 4;
IMFMediaType *OutputMediaType;
MFCreateMediaType(&OutputMediaType);
InitMediaType(OutputMediaType, MFVideoFormat_H264, BitRate, Width, Height, FrameRate);
IMFMediaType *InputMediaType;
MFCreateMediaType(&InputMediaType);
InitMediaType(InputMediaType, MFVideoFormat_RGB32, RawBufferSize, Width, Height, FrameRate);
DWORD VideoStreamIndex;
hr = _Writer->AddStream(OutputMediaType, &VideoStreamIndex);
PersistentAssert(SUCCEEDED(hr), "AddStream failed");
OutputMediaType->Release();
/*hr = MFTRegisterLocalByCLSID(
__uuidof(CColorConvertDMO),
MFT_CATEGORY_VIDEO_PROCESSOR,
L"",
MFT_ENUM_FLAG_SYNCMFT,
0,
NULL,
0,
NULL
);
PersistentAssert(SUCCEEDED(hr), "MFTRegisterLocalByCLSID failed");*/
hr = _Writer->SetInputMediaType(VideoStreamIndex, InputMediaType, NULL);
InputMediaType->Release();
if(FAILED(hr))
{
if(Width > 1920 || Height > 1080)
{
MessageBox(NULL, "The maximum resolution for H.264 video is 1920x1080.", "Invalid Window Dimensions", MB_OK | MB_ICONERROR);
}
else
{
MessageBox(NULL, "There was an error when attempting to initialize video capture. The maximum resolution for H.264 video is 1920x1080.", "Invalid Window Dimensions", MB_OK | MB_ICONERROR);
}
_Writer->Release();
_Writer = NULL;
_Clock = NULL;
return VideoCompressorResultFailure;
}
if(_CapturingAudio)
{
//
// Setup the output media type
//
IMFMediaType *OutputAudioType;
hr = MFCreateMediaType( &OutputAudioType );
PersistentAssert(SUCCEEDED(hr), "MFCreateMediaType failed");
const UINT SamplesPerSecond = 44100;
const UINT AverageBytesPerSecond = 24000;
const UINT ChannelCount = 2;
const UINT BitsPerSample = 16;
OutputAudioType->SetGUID( MF_MT_MAJOR_TYPE, MFMediaType_Audio ) ;
OutputAudioType->SetGUID( MF_MT_SUBTYPE, MFAudioFormat_AAC ) ;
OutputAudioType->SetUINT32( MF_MT_AUDIO_SAMPLES_PER_SECOND, SamplesPerSecond ) ;
OutputAudioType->SetUINT32( MF_MT_AUDIO_BITS_PER_SAMPLE, BitsPerSample ) ;
OutputAudioType->SetUINT32( MF_MT_AUDIO_NUM_CHANNELS, ChannelCount ) ;
OutputAudioType->SetUINT32( MF_MT_AUDIO_AVG_BYTES_PER_SECOND, AverageBytesPerSecond ) ;
OutputAudioType->SetUINT32( MF_MT_AUDIO_BLOCK_ALIGNMENT, 1 ) ;
//OutputAudioType->SetUINT32( MF_MT_AAC_AUDIO_PROFILE_LEVEL_INDICATION, 0x29 ) ;
DWORD AudioStreamIndex;
hr = _Writer->AddStream( OutputAudioType, &AudioStreamIndex );
PersistentAssert(SUCCEEDED(hr), "AddStream failed");
//
// Setup the input media type
//
IMFMediaType *InputAudioType;
MFCreateMediaType( &InputAudioType );
InputAudioType->SetGUID( MF_MT_MAJOR_TYPE, MFMediaType_Audio );
InputAudioType->SetGUID( MF_MT_SUBTYPE, MFAudioFormat_PCM );
InputAudioType->SetUINT32( MF_MT_AUDIO_BITS_PER_SAMPLE, BitsPerSample );
InputAudioType->SetUINT32( MF_MT_AUDIO_SAMPLES_PER_SECOND, SamplesPerSecond );
InputAudioType->SetUINT32( MF_MT_AUDIO_NUM_CHANNELS, ChannelCount );
hr = _Writer->SetInputMediaType( AudioStreamIndex, InputAudioType, NULL );
PersistentAssert(SUCCEEDED(hr), "SetInputMediaType failed");
_AudioCapture.StartCapture(this, AudioDeviceIndex);
}
hr = _Writer->BeginWriting();
PersistentAssert(SUCCEEDED(hr), "BeginWriting failed");
hr = MFCreateSample(&_Sample);
PersistentAssert(SUCCEEDED(hr), "MFCreateSample failed");
hr = MFCreateMemoryBuffer(RawBufferSize, &_Buffer);
_Buffer->SetCurrentLength(RawBufferSize);
_Sample->AddBuffer(_Buffer);
return Result;
}
HRESULT EncodeTransform::SetInputMediaType()
{
if (!mpEncoder)
{
return MF_E_NOT_INITIALIZED;
}
IMFMediaType* pMediaTypeIn = NULL;
HRESULT hr = MFCreateMediaType(&pMediaTypeIn);
// Set the input media type.
if (SUCCEEDED(hr))
{
hr = pMediaTypeIn->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
}
if (SUCCEEDED(hr))
{
hr = pMediaTypeIn->SetGUID(MF_MT_SUBTYPE, cVideoInputFormat);
}
if (SUCCEEDED(hr))
{
hr = pMediaTypeIn->SetUINT32(MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive);
}
if (SUCCEEDED(hr))
{
hr = MFSetAttributeSize(pMediaTypeIn, MF_MT_FRAME_SIZE, mStreamWidth, mStreamHeight);
}
if (SUCCEEDED(hr))
{
hr = MFSetAttributeRatio(pMediaTypeIn, MF_MT_FRAME_RATE, VIDEO_FPS, 1);
}
if (SUCCEEDED(hr))
{
hr = MFSetAttributeRatio(pMediaTypeIn, MF_MT_PIXEL_ASPECT_RATIO, 1, 1);
}
if (SUCCEEDED(hr))
{
hr = mpEncoder->SetInputType(0, pMediaTypeIn, 0); //
if (hr == MF_E_TRANSFORM_TYPE_NOT_SET)
{
std::cout << "MF_E_TRANSFORM_TYPE_NOT_SET -> 0xC00D6D60L: You must set the output type first" << std::endl;
}
if (hr == MF_E_INVALIDMEDIATYPE)
{
std::cout << "MF_E_INVALIDMEDIATYPE -> 0xc00d36b4: the data specified for the media type is invalid, inconsistent, or not supported by this object" << std::endl;
}
#if defined(CODECAPI_AVLowLatencyMode) // Win8 only
hr = mpEncoder->QueryInterface(IID_PPV_ARGS(&mpCodecAPI));
if (SUCCEEDED(hr))
{
VARIANT var;
var.vt = VT_UI4;
var.ulVal = eAVEncCommonRateControlMode_Quality;
hr = mpCodecAPI->SetValue(&CODECAPI_AVEncCommonRateControlMode, &var);
if (FAILED(hr)){printf("Failed to set rate control mode.\n");}
var.vt = VT_BOOL;
var.boolVal = VARIANT_TRUE;
hr = mpCodecAPI->SetValue(&CODECAPI_AVLowLatencyMode, &var);
if (FAILED(hr)){ printf("Failed to enable low latency mode.\n"); }
// This property controls the quality level when the encoder is not using a constrained bit rate. The AVEncCommonRateControlMode property determines whether the bit rate is constrained.
VARIANT quality;
InitVariantFromUInt32(50, &quality);
hr = mpCodecAPI->SetValue(&CODECAPI_AVEncCommonQuality, &quality);
if (FAILED(hr)){ printf("Failed to adjust quality mode.\n"); }
}
#endif
}
return hr;
}
camera_t * camera_open(const char *portname, int highres)
{
camera_internal_t *camera = (camera_internal_t*)malloc(sizeof(camera_internal_t));
camera->reader = NULL;
if (highres)
{
console_printf("camera: highres is not supported on windows (yet).\n");
highres = 0;
}
HRESULT hr = S_OK;
// Initialize Media Foundation
if (SUCCEEDED(hr))
{
hr = MFStartup(MF_VERSION);
}
///////////////////////////////////////////
IMFAttributes *pAttributes = NULL;
UINT32 m_cDevices = 0;
IMFActivate **m_ppDevices = NULL;
// Initialize an attribute store. We will use this to
// specify the enumeration parameters.
hr = MFCreateAttributes(&pAttributes, 1);
// Ask for source type = video capture devices
if (SUCCEEDED(hr))
{
hr = pAttributes->SetGUID(
MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE,
MF_DEVSOURCE_ATTRIBUTE_SOURCE_TYPE_VIDCAP_GUID
);
}
// Enumerate devices.
if (SUCCEEDED(hr))
{
hr = MFEnumDeviceSources(pAttributes, &m_ppDevices, &m_cDevices);
}
SafeRelease(&pAttributes);
/////////////////////////////////////////////////
IMFActivate *pActivate = NULL;
if (m_cDevices)
{
console_printf("camera: there are %d camera devices connected (0..%d).\n", m_cDevices, m_cDevices > 0 ? m_cDevices - 1 : 0);
int device = strtol(portname, 0, 10);
if (device < 0 || device >= m_cDevices)
console_printf("camera: device %d does not exist.\n", device);
else
pActivate = m_ppDevices[device];
}
else
{
console_printf("camera: could not find a device\n");
}
/////////////////////////////////////////////////
IMFMediaSource *pSource = NULL;
//EnterCriticalSection(&m_critsec);
// Create the media source for the device.
hr = pActivate->ActivateObject(
__uuidof(IMFMediaSource),
(void**)&pSource
);
///////////////////////////////////////////
//IMFAttributes *pAttributes = NULL;
/*hr = MFCreateAttributes(&pAttributes, 2);
if (SUCCEEDED(hr))
{
hr = pAttributes->SetUnknown(MF_SOURCE_READER_ASYNC_CALLBACK, this);
}*/
if (SUCCEEDED(hr))
{
hr = MFCreateSourceReaderFromMediaSource(
pSource,
NULL,//pAttributes,
&camera->reader
);
}
//SafeRelease(&pAttributes);
////////////////////////////////////////////////////
// The list of acceptable types.
GUID subtypes[] = {
MFVideoFormat_NV12, MFVideoFormat_YUY2, MFVideoFormat_UYVY,
MFVideoFormat_RGB32, MFVideoFormat_RGB24, MFVideoFormat_IYUV
};
//HRESULT hr = S_OK;
BOOL bUseNativeType = FALSE;
GUID subtype = { 0 };
IMFMediaType *pType = NULL;
UINT32 width = 0, height = 0;
int selectedSubtype = -1;
// If the source's native format matches any of the formats in
// the list, prefer the native format.
// Note: The camera might support multiple output formats,
// including a range of frame dimensions. The application could
// provide a list to the user and have the user select the
// camera's output format. That is outside the scope of this
// sample, however.
DWORD selectedStreamIndex = MF_SOURCE_READER_FIRST_VIDEO_STREAM;
//while (true)
//{
hr = camera->reader->GetNativeMediaType(
selectedStreamIndex,
0, // Type index
&pType
);
if (FAILED(hr)) { console_printf("camera: could not get media type\n"); goto done; }
hr = ::MFGetAttributeSize(pType, MF_MT_FRAME_SIZE, &width, &height);
if (FAILED(hr)) { console_printf("camera: could not get resolution\n"); goto done; }
//if (width != 1280 || height != 960)
//{
console_printf("camera: found resolution %dx%d\n", width, height);
//selectedStreamIndex++;
//continue;
//}
camera->size.width = width;
camera->size.height = height;
//break;
//}
/*UINT32 num = 0, denom = 0;
hr = ::MFGetAttributeRatio(pType, MF_MT_FRAME_RATE_RANGE_MAX, &num, &denom);
if (FAILED(hr)) { goto done; }*/
//hr = ::MFSetAttributeSize(pType, MF_MT_FRAME_SIZE, 1280, 960);
//if (FAILED(hr)) { goto done; }
/*hr = ::MFSetAttributeRatio(pType, MF_MT_FRAME_RATE, num, denom);
if (FAILED(hr)) { goto done; }*/
hr = pType->GetGUID(MF_MT_SUBTYPE, &subtype);
if (FAILED(hr)) { console_printf("camera: could not get stream type(1)\n"); goto done; }
for (UINT32 i = 0; i < ARRAYSIZE(subtypes); i++)
{
if (subtype == subtypes[i])
{
hr = camera->reader->SetCurrentMediaType(
(DWORD)MF_SOURCE_READER_FIRST_VIDEO_STREAM,
NULL,
pType
);
bUseNativeType = TRUE;
selectedSubtype = i;
break;
}
}
if (!bUseNativeType)
{
// None of the native types worked. The camera might offer
// output a compressed type such as MJPEG or DV.
// Try adding a decoder.
for (UINT32 i = 0; i < ARRAYSIZE(subtypes); i++)
{
hr = pType->SetGUID(MF_MT_SUBTYPE, subtypes[i]);
if (FAILED(hr)) { console_printf("camera: could not get stream type(2)\n"); goto done; }
hr = camera->reader->SetCurrentMediaType(
(DWORD)MF_SOURCE_READER_FIRST_VIDEO_STREAM,
NULL,
pType
);
if (SUCCEEDED(hr))
{
selectedSubtype = i;
break;
}
}
}
/* hr = ::MFGetAttributeSize(pType, MF_MT_FRAME_SIZE, &width, &height);
WIDTH = width;
HEIGHT = height;*/
if (FAILED(hr)) { console_printf("camera: could not find stream type\n"); goto done; }
done:
SafeRelease(&pType);
console_printf("camera: selected type: %d, native: %s, resolution: %dx%d\n",
selectedSubtype, bUseNativeType ? "yes" : "no", camera->size.width, camera->size.height);
///////////////////////////////////////
/*if (SUCCEEDED(hr))
{
hr = camera->reader->GetCurrentMediaType(
(DWORD)MF_SOURCE_READER_FIRST_VIDEO_STREAM,
&pType
);
}
if (SUCCEEDED(hr))
{
// Register the color converter DSP for this process, in the video
// processor category. This will enable the sink writer to enumerate
// the color converter when the sink writer attempts to match the
// media types.
hr = MFTRegisterLocalByCLSID(
__uuidof(CColorConvertDMO),
MFT_CATEGORY_VIDEO_PROCESSOR,
L"",
MFT_ENUM_FLAG_SYNCMFT,
0,
NULL,
0,
NULL
);
}*/
/////////////////////////////////////////////////
/* IMFSample *pSample = NULL;
DWORD streamIndex = 0, flags = 0;
LONGLONG llTimeStamp = 0;
hr = camera->reader->ReadSample(
(DWORD)MF_SOURCE_READER_ANY_STREAM, // Stream index.
0, // Flags.
&streamIndex, // Receives the actual stream index.
&flags, // Receives status flags.
&llTimeStamp, // Receives the time stamp.
&pSample // Receives the sample or NULL.
);*/
if (selectedSubtype != 4)
{
console_printf("camera: unexpected stream type.\n");
SafeRelease(&camera->reader);
free(camera);
return 0;
}
return (camera_t*)camera;
}
/** Add stream to topology */
FIntPoint FImfVideoPlayer::AddStreamToTopology( IMFTopology* Topology, IMFPresentationDescriptor* PresentationDesc, IMFStreamDescriptor* StreamDesc, FImfSampleGrabberCallback* SampleGrabberCallback )
{
FIntPoint OutDimensions = FIntPoint( ForceInit );
HRESULT HResult = S_OK;
IMFActivate* SinkActivate = NULL;
{
IMFMediaTypeHandler* Handler = NULL;
HResult = StreamDesc->GetMediaTypeHandler( &Handler );
check( SUCCEEDED( HResult ) );
GUID MajorType;
HResult = Handler->GetMajorType( &MajorType );
check( SUCCEEDED( HResult ) );
/* Audio stream */
if( MajorType == MFMediaType_Audio )
{
/* No audio required */
Handler->Release( );
return FIntPoint( ForceInit );
}
/* Video stream */
else if( MajorType == MFMediaType_Video )
{
IMFMediaType* OutputType = NULL;
HResult = Handler->GetCurrentMediaType( &OutputType );
check( SUCCEEDED( HResult ) );
IMFMediaType* InputType = NULL;
HResult = MFCreateMediaType( &InputType );
UINT32 Width = 0, Height = 0;
HResult = MFGetAttributeSize( OutputType, MF_MT_FRAME_SIZE, &Width, &Height );
check( SUCCEEDED( HResult ) );
HResult = InputType->SetGUID( MF_MT_MAJOR_TYPE, MFMediaType_Video );
check( SUCCEEDED( HResult ) );
HResult = InputType->SetGUID( MF_MT_SUBTYPE, MFVideoFormat_RGB32 );
check( SUCCEEDED( HResult ) );
HResult = InputType->SetUINT32( MF_MT_ALL_SAMPLES_INDEPENDENT, TRUE );
check( SUCCEEDED( HResult ) );
HResult = MFCreateSampleGrabberSinkActivate( InputType, SampleGrabberCallback, &SinkActivate );
check( SUCCEEDED( HResult ) );
InputType->Release( );
OutputType->Release( );
OutDimensions = FIntPoint( Width, Height );
}
Handler->Release( );
}
IMFTopologyNode* SourceNode = NULL;
{
HResult = MFCreateTopologyNode( MF_TOPOLOGY_SOURCESTREAM_NODE, &SourceNode );
check( SUCCEEDED( HResult ) );
HResult = SourceNode->SetUnknown( MF_TOPONODE_SOURCE, MediaSource );
check( SUCCEEDED( HResult ) );
HResult = SourceNode->SetUnknown( MF_TOPONODE_PRESENTATION_DESCRIPTOR, PresentationDesc );
check( SUCCEEDED( HResult ) );
HResult = SourceNode->SetUnknown( MF_TOPONODE_STREAM_DESCRIPTOR, StreamDesc );
check( SUCCEEDED( HResult ) );
HResult = Topology->AddNode( SourceNode );
check( SUCCEEDED( HResult ) );
}
IMFTopologyNode* OutputNode = NULL;
{
HResult = MFCreateTopologyNode( MF_TOPOLOGY_OUTPUT_NODE, &OutputNode );
check( SUCCEEDED( HResult ) );
HResult = OutputNode->SetObject( SinkActivate );
check( SUCCEEDED( HResult ) );
HResult = OutputNode->SetUINT32( MF_TOPONODE_STREAMID, 0 );
check( SUCCEEDED( HResult ) );
HResult = OutputNode->SetUINT32( MF_TOPONODE_NOSHUTDOWN_ON_REMOVE, 0 );
check( SUCCEEDED( HResult ) );
HResult = Topology->AddNode( OutputNode );
check( SUCCEEDED( HResult ) );
}
HResult = SourceNode->ConnectOutput( 0, OutputNode, 0 );
check( SUCCEEDED( HResult ) );
SourceNode->Release( );
OutputNode->Release( );
SinkActivate->Release( );
return OutDimensions;
}
