HRESULT GetSampleFromMFStreamer(/* out */ const vpx_codec_cx_pkt_t *& vpkt)
{
//printf("Get Sample...\n");
IMFSample *videoSample = NULL;
// Initial read results in a null pSample??
CHECK_HR(videoReader->ReadSample(
MF_SOURCE_READER_ANY_STREAM, // Stream index.
0, // Flags.
&streamIndex, // Receives the actual stream index.
&flags, // Receives status flags.
&llVideoTimeStamp, // Receives the time stamp.
&videoSample // Receives the sample or NULL.
), L"Error reading video sample.");
if (!videoSample)
{
printf("Failed to get video sample from MF.\n");
}
else
{
DWORD nCurrBufferCount = 0;
CHECK_HR(videoSample->GetBufferCount(&nCurrBufferCount), L"Failed to get the buffer count from the video sample.\n");
IMFMediaBuffer * pMediaBuffer;
CHECK_HR(videoSample->ConvertToContiguousBuffer(&pMediaBuffer), L"Failed to extract the video sample into a raw buffer.\n");
DWORD nCurrLen = 0;
CHECK_HR(pMediaBuffer->GetCurrentLength(&nCurrLen), L"Failed to get the length of the raw buffer holding the video sample.\n");
byte *imgBuff;
DWORD buffCurrLen = 0;
DWORD buffMaxLen = 0;
pMediaBuffer->Lock(&imgBuff, &buffMaxLen, &buffCurrLen);
/*BYTE *i420 = new BYTE[4608000];
YUY2ToI420(WIDTH, HEIGHT, STRIDE, imgBuff, i420);
vpx_image_t* img = vpx_img_wrap(&_rawImage, VIDEO_INPUT_FORMAT, _vpxConfig.g_w, _vpxConfig.g_h, 1, i420);*/
vpx_image_t* const img = vpx_img_wrap(&_rawImage, VIDEO_INPUT_FORMAT, _vpxConfig.g_w, _vpxConfig.g_h, 1, imgBuff);
const vpx_codec_cx_pkt_t * pkt;
vpx_enc_frame_flags_t flags = 0;
if (vpx_codec_encode(&_vpxCodec, &_rawImage, _sampleCount, 1, flags, VPX_DL_REALTIME)) {
printf("VPX codec failed to encode the frame.\n");
return -1;
}
else {
vpx_codec_iter_t iter = NULL;
while ((pkt = vpx_codec_get_cx_data(&_vpxCodec, &iter))) {
switch (pkt->kind) {
case VPX_CODEC_CX_FRAME_PKT:
vpkt = pkt; // const_cast<vpx_codec_cx_pkt_t **>(&pkt);
break;
default:
break;
}
printf("%s %i\n", pkt->kind == VPX_CODEC_CX_FRAME_PKT && (pkt->data.frame.flags & VPX_FRAME_IS_KEY) ? "K" : ".", pkt->data.frame.sz);
}
}
_sampleCount++;
vpx_img_free(img);
pMediaBuffer->Unlock();
pMediaBuffer->Release();
//delete i420;
videoSample->Release();
return S_OK;
}
}
//-------------------------------------------------------------------
// Read a frame and provide access to the data
//
HRESULT VidReader::getReadBuffer(BYTE **ppData)
{
HRESULT hr = S_OK;
DWORD dwFlags = 0;
DWORD cbBitmapData = 0; // Size of data, in bytes
IMFSample *pSample;
if (!m_pReader) return E_ABORT; // if no source reader run away
while (1)
{
hr = m_pReader->ReadSample(
(DWORD)MF_SOURCE_READER_FIRST_VIDEO_STREAM,
0, NULL, &dwFlags, &m_timestamp, &pSample );
if (FAILED(hr)) goto done;
if (dwFlags & MF_SOURCE_READERF_ENDOFSTREAM)
{
break;
}
if (dwFlags & MF_SOURCE_READERF_CURRENTMEDIATYPECHANGED)
{
// Type change. Get the new format.
hr = getVideoFormat();
if (FAILED(hr)) goto done;
}
if (pSample == NULL)
{
continue;
}
// We got a sample.
break;
}
if (pSample)
{
UINT32 pitch = 4 * m_imagewidth;
hr = pSample->ConvertToContiguousBuffer(&m_pBuffer);
if (FAILED(hr)) goto done;
hr = m_pBuffer->Lock(ppData, NULL, &cbBitmapData);
if (FAILED(hr)) goto done;
assert(cbBitmapData == (pitch * m_imageheight));
}
else
{
hr = MF_E_END_OF_STREAM;
}
done:
SafeRelease(&pSample);
return hr;
}
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::ProcessOutput(
DWORD dwFlags,
DWORD dwOutputBufferCount,
MFT_OUTPUT_DATA_BUFFER* pOutputSamples,
DWORD* pdwStatus)
{
/*****************************************
** See http://msdn.microsoft.com/en-us/library/ms704014(v=VS.85).aspx
*****************************************/
HRESULT hr = S_OK;
IMFSample* pSample = NULL;
TraceString(CHMFTTracing::TRACE_INFORMATION, L"%S(): Enter", __FUNCTION__);
do
{
if(IsLocked() != FALSE)
{
hr = MF_E_TRANSFORM_ASYNC_LOCKED;
break;
}
{
CAutoLock lock(&m_csLock);
TraceString(CHMFTTracing::TRACE_INFORMATION, L"%S(): HaveOutputCount: %u", __FUNCTION__, m_dwHaveOutputCount);
if(m_dwHaveOutputCount == 0)
{
// This call does not correspond to a have output call
hr = E_UNEXPECTED;
break;
}
else
{
m_dwHaveOutputCount--;
}
}
/*****************************************
** Todo: If your MFT supports more than one
** stream, make sure you modify
** MFT_MAX_STREAMS and adjust this function
** accordingly
*****************************************/
if(dwOutputBufferCount < MFT_MAX_STREAMS)
{
hr = E_INVALIDARG;
break;
}
if(IsMFTReady() == FALSE)
{
hr = MF_E_TRANSFORM_TYPE_NOT_SET;
break;
}
/***************************************
** Since this in an internal function
** we know m_pOutputSampleQueue can never be
** NULL due to InitializeTransform()
***************************************/
hr = m_pOutputSampleQueue->GetNextSample(&pSample);
if(FAILED(hr))
{
break;
}
if(pSample == NULL)
{
hr = MF_E_TRANSFORM_NEED_MORE_INPUT;
break;
}
/*******************************
** Todo: This MFT only has one
** input stream, so the output
** samples array and stream ID
** will only use the first
** member
*******************************/
pOutputSamples[0].dwStreamID = 0;
if((pOutputSamples[0].pSample) == NULL)
{
// The MFT is providing it's own samples
(pOutputSamples[0].pSample) = pSample;
(pOutputSamples[0].pSample)->AddRef();
}
else
{
// The pipeline has allocated the samples
IMFMediaBuffer* pBuffer = NULL;
do
{
hr = pSample->ConvertToContiguousBuffer(&pBuffer);
if(FAILED(hr))
{
break;
}
hr = (pOutputSamples[0].pSample)->AddBuffer(pBuffer);
if(FAILED(hr))
{
break;
}
}while(false);
SAFERELEASE(pBuffer);
if(FAILED(hr))
{
break;
}
}
/***************************************
** Since this in an internal function
** we know m_pOutputSampleQueue can never be
** NULL due to InitializeTransform()
***************************************/
if(m_pOutputSampleQueue->IsQueueEmpty() != FALSE)
{
// We're out of samples in the output queue
CAutoLock lock(&m_csLock);
if((m_dwStatus & MYMFT_STATUS_DRAINING) != 0)
{
// We're done draining, time to send the event
IMFMediaEvent* pDrainCompleteEvent = NULL;
do
{
hr = MFCreateMediaEvent(METransformDrainComplete , GUID_NULL, S_OK, NULL, &pDrainCompleteEvent);
if(FAILED(hr))
{
break;
}
/*******************************
** Todo: This MFT only has one
** input stream, so the drain
** is always on stream zero.
** Update this is your MFT
** has more than one stream
*******************************/
hr = pDrainCompleteEvent->SetUINT32(MF_EVENT_MFT_INPUT_STREAM_ID, 0);
if(FAILED(hr))
{
break;
}
/***************************************
** Since this in an internal function
** we know m_pEventQueue can never be
** NULL due to InitializeTransform()
***************************************/
hr = m_pEventQueue->QueueEvent(pDrainCompleteEvent);
if(FAILED(hr))
{
break;
}
}while(false);
SAFERELEASE(pDrainCompleteEvent);
if(FAILED(hr))
{
break;
}
m_dwStatus &= (~MYMFT_STATUS_DRAINING);
}
}
}while(false);
SAFERELEASE(pSample);
TraceString(CHMFTTracing::TRACE_INFORMATION, L"%S(): Exit (hr=0x%x)", __FUNCTION__, hr);
return hr;
}
int camera_capture(camera_t *cam, unsigned char *outdata)
{
camera_internal_t *camera = (camera_internal_t*)cam;
if (!camera->reader)
return 1; // error should be zero...
HRESULT hr = S_OK;
IMFSample *pSample = NULL;
DWORD streamIndex = 0, flags = 0;
LONGLONG llTimeStamp = 0;
// skip one
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.
);
SafeRelease(&pSample);
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.
);
IMFMediaBuffer *mediaBuffer = NULL;
BYTE *pData = NULL;
DWORD pLength = 0;
pSample->ConvertToContiguousBuffer(&mediaBuffer);
hr = mediaBuffer->Lock(&pData, NULL, &pLength);
//console_printf("camera: length: %d, WxH: %d, 2WxH: %d, 3WxH: %d\n", pLength, WIDTH * HEIGHT, 2 * WIDTH * HEIGHT, 3 * WIDTH * HEIGHT);
/*unsigned char *rgbData = new unsigned char[WIDTH * HEIGHT * (24 / 8)];
unsigned char *yuy2Ptr = pData, *rgbPtr = rgbData;
for (UINT32 j = 0; j < HEIGHT; j++)
{
for (UINT32 i = 0; i < WIDTH / 2; ++i)
{
int y0 = yuy2Ptr[0];
int u0 = yuy2Ptr[1];
int y1 = yuy2Ptr[2];
int v0 = yuy2Ptr[3];
yuy2Ptr += 4;
int c = y0 - 16;
int d = u0 - 128;
int e = v0 - 128;
rgbPtr[0] = clip((298 * c + 516 * d + 128) >> 8); // blue
rgbPtr[1] = clip((298 * c - 100 * d - 208 * e + 128) >> 8); // green
rgbPtr[2] = clip((298 * c + 409 * e + 128) >> 8); // red
c = y1 - 16;
rgbPtr[3] = clip((298 * c + 516 * d + 128) >> 8); // blue
rgbPtr[4] = clip((298 * c - 100 * d - 208 * e + 128) >> 8); // green
rgbPtr[5] = clip((298 * c + 409 * e + 128) >> 8); // red
rgbPtr += 6;
}
}*/
unsigned char *in = pData + camera->size.width * (camera->size.height - 1) * 3, *out = outdata;
for (UINT32 j = 0; j < camera->size.height; j++)
{
for (UINT32 i = 0; i < camera->size.width; ++i)
{
out[2] = in[0];
out[1] = in[1];
out[0] = in[2];
in += 3; out += 3;
}
in -= 2 * camera->size.width * 3;
}
mediaBuffer->Unlock();
SafeRelease(&pSample);
SafeRelease(&mediaBuffer);
return 1;
}
