#include "stdafx.h"
// include the LEAD Multimedia TOOLKIT header
#include "ltmm.h"
#include "l_bitmap.h"
// include amvideo.h for VIDEOINFOHEADER, available in the Visual Studio 6.0 or the DirectX SDK
#include <amvideo.h>
// includes for string handling
#include <tchar.h>
#include <wchar.h>
#include <string.h>
#include <stdio.h>
/////////////////////////////////////////////////////////////////
// AviToTIFF
// Creates a multipage TIFF file from an AVI file
// pszAviFile - source file name
// pszOutputFile - the name of the output TIF file
// nMaxFrames - maximum number of pages (frames) to append to the file
//
HRESULT AviToTIFF(LPCWSTR pszAviFile, L_TCHAR *pszOutputFile, int nMaxFrames)
{
HRESULT hr;
IltmmConvert* pConvert = NULL;
IltmmSampleTarget* pSampleTarget = NULL;
IltmmMediaTypeDisp* pMediaType = NULL;
IltmmMediaSampleDisp* pMediaSample;
VARIANT varFormat;
VARIANT varBuffer;
VIDEOINFOHEADER* pVIH;
void* pBuffer;
BSTR bstr;
int n;
BITMAPHANDLE Bitmap;
L_INT nRet;
// initialize COM library
hr = CoInitialize(NULL);
if(FAILED(hr))
goto error;
// create the convert object
hr = CoCreateInstance(CLSID_ltmmConvert, NULL, CLSCTX_INPROC_SERVER, IID_IltmmConvert, (void**) &pConvert);
if(FAILED(hr))
goto error;
// create the target object
hr = CoCreateInstance(CLSID_ltmmSampleTarget, NULL, CLSCTX_INPROC_SERVER, IID_IltmmSampleTarget, (void**) &pSampleTarget);
if(FAILED(hr))
goto error;
// create the media type object
hr = CoCreateInstance(CLSID_ltmmMediaType, NULL, CLSCTX_INPROC_SERVER, IID_IltmmMediaTypeDisp, (void**) &pMediaType);
if(FAILED(hr))
goto error;
// set type to MEDIATYPE_Video
bstr = SysAllocString(L"{73646976-0000-0010-8000-00AA00389B71}");
hr = pMediaType->put_Type(bstr);
SysFreeString(bstr);
if(FAILED(hr))
goto error;
// set subtype to MEDIASUBTYPE_RGB24
bstr = SysAllocString(L"{e436eb7d-524f-11ce-9f53-0020af0ba770}");
hr = pMediaType->put_Subtype(bstr);
SysFreeString(bstr);
if(FAILED(hr))
goto error;
// set the accepted media type
hr = pSampleTarget->SetAcceptedMediaType(pMediaType);
if(FAILED(hr))
goto error;
// release the media type, since we don't need it anymore
pMediaType->Release();
pMediaType = NULL;
// set the convert input file name
bstr = SysAllocString(pszAviFile);
hr = pConvert->put_SourceFile(bstr);
SysFreeString(bstr);
if(FAILED(hr))
goto error;
// set the convert object target
hr = pConvert->put_TargetObject(pSampleTarget);
if(FAILED(hr))
goto error;
// start the conversion
hr = pConvert->StartConvert();
if(FAILED(hr))
goto error;
// get the connected media type
hr = pSampleTarget->GetConnectedMediaType(&pMediaType);
if(FAILED(hr))
goto error;
// get the VIDEOINFOHEADER
hr = pMediaType->get_Format(&varFormat);
if(FAILED(hr))
goto error;
hr = SafeArrayAccessData(V_ARRAY(&varFormat), (void**) &pVIH);
if(FAILED(hr))
{
VariantClear(&varFormat);
goto error;
}
// set the shell bitmap handle to match the sample data
nRet = L_CreateBitmap(&Bitmap, sizeof(BITMAPHANDLE), TYPE_USER,
pVIH->bmiHeader.biWidth, abs(pVIH->bmiHeader.biHeight),
pVIH->bmiHeader.biBitCount, ORDER_BGR, NULL,
pVIH->bmiHeader.biHeight > 0 ? BOTTOM_LEFT : TOP_LEFT,
NULL, pVIH->bmiHeader.biSizeImage);
if(nRet != SUCCESS)
{
hr = FAILURE;
// make sure the bitmap handle is initialized so L_FreeBitmap does not crash
L_InitBitmap(&Bitmap, sizeof(BITMAPHANDLE), 1, 1, 1);
goto converterror;
}
for(n = 0; n < 1 * nMaxFrames; n++)
{
// fetch a sample
hr = pSampleTarget->GetSample(1000, &pMediaSample);
if(FAILED(hr) || !pMediaSample)
break;
// access the image bits
hr = pMediaSample->get_Buffer(&varBuffer);
if(FAILED(hr))
{
pMediaSample->Release();
pConvert->StopConvert();
goto converterror;
}
hr = SafeArrayAccessData(V_ARRAY(&varBuffer), &pBuffer);
if(FAILED(hr))
{
VariantClear(&varBuffer);
pMediaSample->Release();
pConvert->StopConvert();
goto converterror;
}
// set the data pointer for the bitmap to be the sample
nRet = L_SetBitmapDataPointer(&Bitmap, (L_UCHAR *)pBuffer, pVIH->bmiHeader.biSizeImage);
if(nRet == SUCCESS)
// append a JPEG-compressed page to the output file
nRet = L_SaveFile(pszOutputFile, &Bitmap, FILE_LEAD1JTIF, 0, 25, SAVEFILE_MULTIPAGE, NULL, NULL, NULL);
// release the sample
SafeArrayUnaccessData(V_ARRAY(&varBuffer));
VariantClear(&varBuffer);
pMediaSample->Release();
if(nRet != SUCCESS)
{
// an error occured - abort the process
hr = E_FAIL;
pConvert->StopConvert();
goto converterror;
}
}
// stop
hr = pConvert->StopConvert();
if(FAILED(hr))
goto converterror;
// cleanup and exit
hr = S_OK; converterror:
SafeArrayUnaccessData(V_ARRAY(&varFormat));
VariantClear(&varFormat); error:
if(pConvert)
pConvert->Release();
if(pSampleTarget)
pSampleTarget->Release();
if(pMediaType)
pMediaType->Release();
CoUninitialize();
return hr;
}
int main(int argc, char* argv[])
{
AviToTIFF((OLECHAR*)MAKE_MEDIA_PATH("count.avi"), MAKE_MEDIA_PATH("multi.tif"), 100);
return 0;
}
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
Your email has been sent to support! Someone should be in touch! If your matter is urgent please come back into chat.
Chat Hours:
Monday - Friday, 8:30am to 6pm ET
Thank you for your feedback!
Please fill out the form again to start a new chat.
All agents are currently offline.
Chat Hours:
Monday - Friday
8:30AM - 6PM EST
To contact us please fill out this form and we will contact you via email.