Microsoft MFCreateFMPEG4MediaSink to Create DASH compliant mp4 files

Question

Is it possible to create DASH compliant Mp4 files with MFCreateFMPEG4MediaSink.

The API says MFCreateFMPEG4MediaSink supports fragmented mp4. Is this the default behavior or do we need to set some flags.

When I try to play files generated by MFCreateFMPEG4MediaSink in MediaSource in javascript, it does not play. I inspect the generated file with MP4Box.js and it says it is not fragmented.

Thanks UPDATE:

  IMFMediaBuffer * pBuffer;
    // Create a new memory buffer.
    HRESULT hr = MFCreateMemoryBuffer(data_length, &pBuffer);

    BYTE *pData = NULL;
    // Lock the buffer and copy the video frame to the buffer.
    if (SUCCEEDED(hr))
    {
        DWORD buffLen = data_length;
        hr = pBuffer->Lock(&pData,NULL, NULL);
    }

    if (SUCCEEDED(hr))
    {
        memcpy(pData, data, data_length);
    }

    if (pBuffer)
    {
        pBuffer->Unlock();
    }

    // Set the data length of the buffer.
    if (SUCCEEDED(hr))
    {
        hr = pBuffer->SetCurrentLength(data_length);
    }

    // Create a media sample and add the buffer to the sample.
    IMFSample * pSample;
    if (SUCCEEDED(hr))
    {
        hr = MFCreateSample(&pSample);
    }
    if (SUCCEEDED(hr))
    {
        hr = pSample->AddBuffer(pBuffer);
    }

    // Set the time stamp and the duration.
    if (SUCCEEDED(hr))
    {
        hr = pSample->SetSampleTime(rtStart);
    }
    if (SUCCEEDED(hr))
    {
        hr = pSample->SetSampleDuration(video_frame_duration);
    }
    rtStart += video_frame_duration;
    /*if (SUCCEEDED(hr))
    {
        hr = pSample->SetUINT32(MFSampleExtension_CleanPoint, isIDR);
    }*/
    //pSample->
    // Send the sample to the Sink Writer.
    if (SUCCEEDED(hr))
    {
        hr = pSinkWriter->WriteSample(0, pSample);
    }

    SafeRelease(&pSample);
    SafeRelease(&pBuffer);
    return 1;

THIS IS WHERE I CREATE THE SINKER

if (SUCCEEDED(hr))
    {
        hr = MFCreateMediaType(&pMediaType);
    }
    //unsigned char * pSeqHdr = reinterpret_cast<UINT8 *>(mSamplesQueue.SequenceHeader());
    /*
    if (SUCCEEDED(hr))
    {
        hr = pMediaType->SetBlob(MF_MT_MPEG_SEQUENCE_HEADER, blob, 25);
    }
    UINT32 pcbBlobSize = { 0 };
    hr = pMediaType->GetBlobSize(MF_MT_MPEG_SEQUENCE_HEADER, &pcbBlobSize);
    */


    /*if (SUCCEEDED(hr)) {
        hr = pMediaType->SetUINT32(MF_MPEG4SINK_MOOV_BEFORE_MDAT, 1);
    }*/
    if (SUCCEEDED(hr))
    {
        hr = pMediaType->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
    }
    if (SUCCEEDED(hr))
    {
        hr = pMediaType->SetGUID(MF_MT_SUBTYPE, MFVideoFormat_H264);
    }
    if (SUCCEEDED(hr))
    {
        hr = MFSetAttributeRatio(pMediaType, MF_MT_FRAME_RATE, frame_rate, 1);
    }
    if (SUCCEEDED(hr))
    {
        hr = pMediaType->SetUINT32(MF_MT_AVG_BITRATE, bit_rate);
    }
    if (SUCCEEDED(hr))
    {
        hr = pMediaType->SetUINT32(MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive);
    }
    if (SUCCEEDED(hr))
    {
        hr = MFSetAttributeSize(pMediaType, MF_MT_FRAME_SIZE, width, height);
    }
    if (SUCCEEDED(hr))
    {
        // Pixel aspect ratio
        hr = MFSetAttributeRatio(pMediaType, MF_MT_PIXEL_ASPECT_RATIO, 1, 1);
    }


if (SUCCEEDED(hr))
    {
        hr = MFCreateFile(
            MF_ACCESSMODE_READWRITE,
            MF_OPENMODE_DELETE_IF_EXIST,
            MF_FILEFLAGS_NONE,
            L"output2temp.mp4",
            &pByteStream);
    }

    if (SUCCEEDED(hr))
    {
        hr = MFCreateMPEG4MediaSink(
            pByteStream,
            pMediaType,
            NULL,
            &pMediaSink);
    }