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@iamrameshkumar
Created March 8, 2019 17:13
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Video Streaming Sample
#include <Windows.h>
#include <mfapi.h>
#include <mfidl.h>
#include <Mfreadwrite.h>
#include <mferror.h>
#include <d3d9.h>
#pragma comment(lib, "mfreadwrite")
#pragma comment(lib, "mfplat")
#pragma comment(lib, "mfuuid")
#pragma comment(lib, "d3d9.lib")
template <class T> void SafeRelease(T **ppT) {
if (*ppT) {
(*ppT)->Release();
*ppT = NULL;
}
}
#define REVERSE_IMAGE
// Format constants
const UINT32 VIDEO_FPS = 19;
const UINT64 VIDEO_FRAME_DURATION = 10 * 1000 * 1000 / VIDEO_FPS;
const UINT32 VIDEO_BIT_RATE = 3000000;
const GUID VIDEO_ENCODING_FORMAT = MFVideoFormat_H264;
const GUID VIDEO_INPUT_FORMAT = MFVideoFormat_RGB32;
const UINT32 VIDEO_FRAME_COUNT = 60 * VIDEO_FPS;
HRESULT InitializeDirect3D9(IDirect3DDevice9** ppDevice, IDirect3DSurface9** ppSurface, UINT32& uiWidth, UINT32& uiHeight) {
IDirect3D9* d3d = NULL;
d3d = Direct3DCreate9(D3D_SDK_VERSION);
if (d3d == NULL)
return E_POINTER;
D3DDISPLAYMODE mode;
HRESULT hr = d3d->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &mode);
if (FAILED(hr)) {
SafeRelease(&d3d);
return hr;
}
D3DPRESENT_PARAMETERS parameters = { 0 };
parameters.Windowed = TRUE;
parameters.BackBufferCount = 1;
uiHeight = parameters.BackBufferHeight = mode.Height;
uiWidth = parameters.BackBufferWidth = mode.Width;
parameters.SwapEffect = D3DSWAPEFFECT_DISCARD;
parameters.hDeviceWindow = NULL;
hr = d3d->CreateDevice(D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, NULL, D3DCREATE_SOFTWARE_VERTEXPROCESSING, &parameters, ppDevice);
if (FAILED(hr)) {
SafeRelease(&d3d);
return hr;
}
hr = (*ppDevice)->CreateOffscreenPlainSurface(mode.Width, mode.Height, D3DFMT_A8R8G8B8, D3DPOOL_SYSTEMMEM, ppSurface, nullptr);
SafeRelease(&d3d);
return hr;
}
HRESULT InitializeSinkWriter(IMFSinkWriter **ppWriter, DWORD *pStreamIndex, const UINT32 uiWidth, const UINT32 uiHeight) {
*ppWriter = NULL;
*pStreamIndex = NULL;
IMFSinkWriter *pSinkWriter = NULL;
IMFMediaType *pMediaTypeOut = NULL;
IMFMediaType *pMediaTypeIn = NULL;
DWORD streamIndex;
HRESULT hr = MFCreateSinkWriterFromURL(L"output.mp4", NULL, NULL, &pSinkWriter);
// 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, VIDEO_ENCODING_FORMAT);
}
if (SUCCEEDED(hr)) {
hr = pMediaTypeOut->SetUINT32(MF_MT_AVG_BITRATE, VIDEO_BIT_RATE);
}
if (SUCCEEDED(hr)) {
hr = pMediaTypeOut->SetUINT32(MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive);
}
if (SUCCEEDED(hr)) {
hr = MFSetAttributeSize(pMediaTypeOut, MF_MT_FRAME_SIZE, uiWidth, uiHeight);
}
if (SUCCEEDED(hr)) {
hr = MFSetAttributeRatio(pMediaTypeOut, MF_MT_FRAME_RATE, VIDEO_FPS, 1);
}
if (SUCCEEDED(hr)) {
hr = MFSetAttributeRatio(pMediaTypeOut, MF_MT_PIXEL_ASPECT_RATIO, 1, 1);
}
if (SUCCEEDED(hr)) {
hr = pSinkWriter->AddStream(pMediaTypeOut, &streamIndex);
}
// Set the input media type.
if (SUCCEEDED(hr)) {
hr = MFCreateMediaType(&pMediaTypeIn);
}
if (SUCCEEDED(hr)) {
hr = pMediaTypeIn->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video);
}
if (SUCCEEDED(hr)) {
hr = pMediaTypeIn->SetGUID(MF_MT_SUBTYPE, VIDEO_INPUT_FORMAT);
}
if (SUCCEEDED(hr)) {
hr = pMediaTypeIn->SetUINT32(MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive);
}
if (SUCCEEDED(hr)) {
hr = MFSetAttributeSize(pMediaTypeIn, MF_MT_FRAME_SIZE, uiWidth, uiHeight);
}
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 = pSinkWriter->SetInputMediaType(streamIndex, pMediaTypeIn, NULL);
}
// Tell the sink writer to start accepting data.
if (SUCCEEDED(hr)) {
hr = pSinkWriter->BeginWriting();
}
// Return the pointer to the caller.
if (SUCCEEDED(hr)) {
*ppWriter = pSinkWriter;
(*ppWriter)->AddRef();
*pStreamIndex = streamIndex;
}
SafeRelease(&pSinkWriter);
SafeRelease(&pMediaTypeOut);
SafeRelease(&pMediaTypeIn);
return hr;
}
HRESULT WriteFrame(IDirect3DDevice9* pDevice, IDirect3DSurface9* pSurface, IMFSinkWriter* pWriter, DWORD streamIndex, const LONGLONG& rtStart, const UINT32 uiWidth, const UINT32 uiHeight) {
HRESULT hr = pDevice->GetFrontBufferData(0, pSurface);
if (FAILED(hr)) {
return hr;
}
D3DLOCKED_RECT rc;
hr = pSurface->LockRect(&rc, NULL, 0);
if (FAILED(hr)) {
return hr;
}
IMFSample *pSample = NULL;
IMFMediaBuffer *pBuffer = NULL;
const LONG cbWidth = 4 * uiWidth;
const DWORD cbBuffer = cbWidth * uiHeight;
BYTE *pData = NULL;
// Create a new memory buffer.
hr = MFCreateMemoryBuffer(cbBuffer, &pBuffer);
// Lock the buffer and copy the video frame to the buffer.
if (SUCCEEDED(hr)) {
hr = pBuffer->Lock(&pData, NULL, NULL);
}
if (SUCCEEDED(hr)) {
#ifdef REVERSE_IMAGE
for (int i = 0, j = uiHeight - 1; i < uiHeight; i++, j--)
for (int k = 0; k < cbWidth; k++)
pData[(i * cbWidth) + k] = ((BYTE*)rc.pBits)[(j * cbWidth) + k];
#else
hr = MFCopyImage(pData, cbWidth, (BYTE*)rc.pBits, rc.Pitch, cbWidth, uiHeight);
#endif
}
if (pBuffer) {
pBuffer->Unlock();
}
// Set the data length of the buffer.
if (SUCCEEDED(hr)) {
hr = pBuffer->SetCurrentLength(cbBuffer);
}
// Create a media sample and add the buffer to the sample.
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);
}
// Send the sample to the Sink Writer.
if (SUCCEEDED(hr)) {
hr = pWriter->WriteSample(streamIndex, pSample);
}
hr = pSurface->UnlockRect();
SafeRelease(&pSample);
SafeRelease(&pBuffer);
return hr;
}
void main() {
HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
if (SUCCEEDED(hr)) {
hr = MFStartup(MF_VERSION);
if (SUCCEEDED(hr)) {
UINT32 uiWidth = 0;
UINT32 uiHeight = 0;
IDirect3DDevice9* pDevice = NULL;
IDirect3DSurface9* pSurface = NULL;
hr = InitializeDirect3D9(&pDevice, &pSurface, uiWidth, uiHeight);
if (SUCCEEDED(hr)) {
IMFSinkWriter *pSinkWriter = NULL;
DWORD stream;
hr = InitializeSinkWriter(&pSinkWriter, &stream, uiWidth, uiHeight);
if (SUCCEEDED(hr)) {
LONGLONG rtStart = 0;
for (DWORD i = 0; i < VIDEO_FRAME_COUNT; ++i) {
hr = WriteFrame(pDevice, pSurface, pSinkWriter, stream, rtStart, uiWidth, uiHeight);
if (FAILED(hr)) {
break;
}
rtStart += VIDEO_FRAME_DURATION;
}
}
if (SUCCEEDED(hr)) {
hr = pSinkWriter->Finalize();
}
SafeRelease(&pSinkWriter);
}
SafeRelease(&pDevice);
SafeRelease(&pSurface);
MFShutdown();
}
CoUninitialize();
}
}
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