diff options
Diffstat (limited to 'plugins/pluginDirectShow/internals/wince/DSSampleGrabber.cxx')
| -rwxr-xr-x | plugins/pluginDirectShow/internals/wince/DSSampleGrabber.cxx | 299 |
1 files changed, 149 insertions, 150 deletions
diff --git a/plugins/pluginDirectShow/internals/wince/DSSampleGrabber.cxx b/plugins/pluginDirectShow/internals/wince/DSSampleGrabber.cxx index d33d105..920111f 100755 --- a/plugins/pluginDirectShow/internals/wince/DSSampleGrabber.cxx +++ b/plugins/pluginDirectShow/internals/wince/DSSampleGrabber.cxx @@ -6,192 +6,191 @@ // {38589364-71FD-4641-B426-E443DB023568} -TDSHOW_DEFINE_GUID(CLSID_SampleGrabber, -0x38589364, 0x71fd, 0x4641, 0xb4, 0x26, 0xe4, 0x43, 0xdb, 0x2, 0x35, 0x68); +TDSHOW_DEFINE_GUID(CLSID_SampleGrabber, + 0x38589364, 0x71fd, 0x4641, 0xb4, 0x26, 0xe4, 0x43, 0xdb, 0x2, 0x35, 0x68); #define RGB565_MASK_RED 0xF800 #define RGB565_MASK_GREEN 0x07E0 #define RGB565_MASK_BLUE 0x001F -DSSampleGrabber::DSSampleGrabber(TCHAR *tszName, LPUNKNOWN punk, HRESULT *phr) -:CTransInPlaceFilter (tszName, punk, CLSID_SampleGrabber, phr) -{ +DSSampleGrabber::DSSampleGrabber(TCHAR *tszName, LPUNKNOWN punk, HRESULT *phr) + :CTransInPlaceFilter (tszName, punk, CLSID_SampleGrabber, phr) +{ #define FPS_INPUT 30 #define FPS_OUTPUT 5 - this->m_rtFrameLength = (10000000)/FPS_OUTPUT; + this->m_rtFrameLength = (10000000)/FPS_OUTPUT; - this->m_inputFps = FPS_INPUT; - this->m_outputFps = FPS_OUTPUT; + this->m_inputFps = FPS_INPUT; + this->m_outputFps = FPS_OUTPUT; - this->m_iFrameNumber = 0; - this->m_progress = 0; - this->m_bProcessFrame = true; + this->m_iFrameNumber = 0; + this->m_progress = 0; + this->m_bProcessFrame = true; - this->callback = NULL; - this->m_rgb24 = NULL; + this->callback = NULL; + this->m_rgb24 = NULL; - m_cRef = 0; + m_cRef = 0; } -DSSampleGrabber::~DSSampleGrabber() { - this->callback = NULL; - if(this->m_rgb24) - { - delete[]this->m_rgb24; - this->m_rgb24 = NULL; - } +DSSampleGrabber::~DSSampleGrabber() +{ + this->callback = NULL; + if(this->m_rgb24) { + delete[]this->m_rgb24; + this->m_rgb24 = NULL; + } } HRESULT DSSampleGrabber::SetFps(int inputFps, int outputFps) { - if (inputFps <= 0 || outputFps <= 0) { - return E_FAIL; - } - - // Stop prcessing - this->m_bProcessFrame = false; - - if (inputFps < outputFps) { - this->m_inputFps = this->m_outputFps = inputFps; - } - else { - this->m_outputFps = outputFps; - this->m_inputFps = inputFps; - } - - // Restart processing - this->m_iFrameNumber = 0; - this->m_progress = 0; - this->m_bProcessFrame = true; - - return S_OK; + if (inputFps <= 0 || outputFps <= 0) { + return E_FAIL; + } + + // Stop prcessing + this->m_bProcessFrame = false; + + if (inputFps < outputFps) { + this->m_inputFps = this->m_outputFps = inputFps; + } + else { + this->m_outputFps = outputFps; + this->m_inputFps = inputFps; + } + + // Restart processing + this->m_iFrameNumber = 0; + this->m_progress = 0; + this->m_bProcessFrame = true; + + return S_OK; } HRESULT DSSampleGrabber::Transform(IMediaSample *pSample) -{ - BYTE *pData = NULL; - HRESULT hr = S_OK; - HRESULT ret = S_FALSE; - - if (!this->m_bProcessFrame) { - return S_FALSE; - } - - // Get pointer to the video buffer data - if ( FAILED(pSample->GetPointer(&pData)) ) { - ret = E_FAIL; - goto bail; - } - - pSample->SetTime(NULL, NULL); - - // Drop frame? - if (this->m_iFrameNumber == 0) { - ret = S_OK; - } - else if (this->m_progress >= this->m_inputFps) { - this->m_progress -= this->m_inputFps; - ret = S_OK; - } - - // Mark frame as accepted - if (ret == S_OK) { - // Set TRUE on every sample for uncompressed frames - pSample->SetSyncPoint(TRUE); - - long Size = pSample->GetSize(); - if ( this->callback ) { - LONGLONG start, end; - WORD *rgb565 = (WORD*)pData; - - for(int i = 0, i24 = 0, i565 = 0; i< (Size/2); i++, i24+=3, i565+=1) { - BYTE *p24 = (this->m_rgb24+i24); - WORD val565 = *(rgb565 + i565); - - // extract RGB - p24[2] = (val565 & RGB565_MASK_RED) >> 11; - p24[1] = (val565 & RGB565_MASK_GREEN) >> 5; - p24[0] = (val565 & RGB565_MASK_BLUE); - - // amplify the image - p24[2] <<= 3; - p24[1] <<= 2; - p24[0] <<= 3; - } - - pSample->GetMediaTime(&start, &end); - this->callback->BufferCB( (double)start, this->m_rgb24, ((Size >> 1) * 3)); - } - } - - this->m_progress += this->m_outputFps; - this->m_iFrameNumber++; +{ + BYTE *pData = NULL; + HRESULT hr = S_OK; + HRESULT ret = S_FALSE; + + if (!this->m_bProcessFrame) { + return S_FALSE; + } + + // Get pointer to the video buffer data + if ( FAILED(pSample->GetPointer(&pData)) ) { + ret = E_FAIL; + goto bail; + } + + pSample->SetTime(NULL, NULL); + + // Drop frame? + if (this->m_iFrameNumber == 0) { + ret = S_OK; + } + else if (this->m_progress >= this->m_inputFps) { + this->m_progress -= this->m_inputFps; + ret = S_OK; + } + + // Mark frame as accepted + if (ret == S_OK) { + // Set TRUE on every sample for uncompressed frames + pSample->SetSyncPoint(TRUE); + + long Size = pSample->GetSize(); + if ( this->callback ) { + LONGLONG start, end; + WORD *rgb565 = (WORD*)pData; + + for(int i = 0, i24 = 0, i565 = 0; i< (Size/2); i++, i24+=3, i565+=1) { + BYTE *p24 = (this->m_rgb24+i24); + WORD val565 = *(rgb565 + i565); + + // extract RGB + p24[2] = (val565 & RGB565_MASK_RED) >> 11; + p24[1] = (val565 & RGB565_MASK_GREEN) >> 5; + p24[0] = (val565 & RGB565_MASK_BLUE); + + // amplify the image + p24[2] <<= 3; + p24[1] <<= 2; + p24[0] <<= 3; + } + + pSample->GetMediaTime(&start, &end); + this->callback->BufferCB( (double)start, this->m_rgb24, ((Size >> 1) * 3)); + } + } + + this->m_progress += this->m_outputFps; + this->m_iFrameNumber++; bail: - SAFE_DELETE_ARRAY( pData ); - SAFE_RELEASE(pSample); + SAFE_DELETE_ARRAY( pData ); + SAFE_RELEASE(pSample); - return ret; + return ret; } HRESULT DSSampleGrabber::CheckInputType(const CMediaType* mtIn) -{ - VIDEOINFO *video; - if ( !IsEqualGUID( *mtIn->Subtype(), MEDIASUBTYPE_RGB565 ) || !(video=(VIDEOINFO *)mtIn->Format()) ) { - return E_FAIL; - } +{ + VIDEOINFO *video; + if ( !IsEqualGUID( *mtIn->Subtype(), MEDIASUBTYPE_RGB565 ) || !(video=(VIDEOINFO *)mtIn->Format()) ) { + return E_FAIL; + } - return S_OK; + return S_OK; } -STDMETHODIMP DSSampleGrabber::SetCallback( DSISampleGrabberCB* callback_ ) +STDMETHODIMP DSSampleGrabber::SetCallback( DSISampleGrabberCB* callback_ ) { - if (!callback_) { - return E_FAIL; - } + if (!callback_) { + return E_FAIL; + } - this->callback = callback_; - return S_OK; + this->callback = callback_; + return S_OK; } HRESULT DSSampleGrabber::SetSize(int width, int height) { - ZeroMemory(&this->mt, sizeof(CMediaType)); - - VIDEOINFO *pvi = (VIDEOINFO *)this->mt.AllocFormatBuffer(sizeof(VIDEOINFO)); - if (NULL == pvi) - { - return E_OUTOFMEMORY; - } - - ZeroMemory(pvi, sizeof(VIDEOINFO)); - - pvi->bmiHeader.biCompression = BI_RGB; - pvi->bmiHeader.biBitCount = 24; - pvi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); - pvi->bmiHeader.biWidth = width; - pvi->bmiHeader.biHeight = height; - pvi->bmiHeader.biPlanes = 1; - pvi->bmiHeader.biSizeImage = GetBitmapSize(&pvi->bmiHeader); - pvi->bmiHeader.biClrImportant = 0; - - // Frame rate - pvi->AvgTimePerFrame = 10000000/this->m_outputFps; - - SetRectEmpty(&(pvi->rcSource)); // we want the whole image area rendered. - SetRectEmpty(&(pvi->rcTarget)); // no particular destination rectangle - - this->mt.SetType(&MEDIATYPE_Video); - this->mt.SetFormatType(&FORMAT_VideoInfo); - this->mt.SetTemporalCompression(FALSE); - - this->mt.SetSubtype(&MEDIASUBTYPE_RGB24); - this->mt.SetSampleSize(pvi->bmiHeader.biSizeImage); - - this->m_rgb24 = new BYTE[pvi->bmiHeader.biSizeImage]; - - return S_OK; + ZeroMemory(&this->mt, sizeof(CMediaType)); + + VIDEOINFO *pvi = (VIDEOINFO *)this->mt.AllocFormatBuffer(sizeof(VIDEOINFO)); + if (NULL == pvi) { + return E_OUTOFMEMORY; + } + + ZeroMemory(pvi, sizeof(VIDEOINFO)); + + pvi->bmiHeader.biCompression = BI_RGB; + pvi->bmiHeader.biBitCount = 24; + pvi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); + pvi->bmiHeader.biWidth = width; + pvi->bmiHeader.biHeight = height; + pvi->bmiHeader.biPlanes = 1; + pvi->bmiHeader.biSizeImage = GetBitmapSize(&pvi->bmiHeader); + pvi->bmiHeader.biClrImportant = 0; + + // Frame rate + pvi->AvgTimePerFrame = 10000000/this->m_outputFps; + + SetRectEmpty(&(pvi->rcSource)); // we want the whole image area rendered. + SetRectEmpty(&(pvi->rcTarget)); // no particular destination rectangle + + this->mt.SetType(&MEDIATYPE_Video); + this->mt.SetFormatType(&FORMAT_VideoInfo); + this->mt.SetTemporalCompression(FALSE); + + this->mt.SetSubtype(&MEDIASUBTYPE_RGB24); + this->mt.SetSampleSize(pvi->bmiHeader.biSizeImage); + + this->m_rgb24 = new BYTE[pvi->bmiHeader.biSizeImage]; + + return S_OK; } #endif /* _WIN32_WCE */ |
