playing flv files

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How can I play flv files in MFC 6.0 dialog application. Inform me if there is an activeX control for that purpose or any other way.

Posted 20-Oct-10 20:19pm

Shah Rukh Qasim

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2 solutions

Solution 1

A simple Google search for "flv files" will yield lots of useful information.

Posted 20-Oct-10 23:00pm

Richard MacCutchan

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Kozlov_Sergey · Accepted Answer · 2010-10-21T00:46:00

There is a way.
To use DirectShow filters.
DirectX SDK has one program named Graph Edit C:\DXSDK\Bin\DXUtils\graphedt.exe .
You can use it to understand, what is going on when you play movies.

Here are some classes you need and some code from existing program.

All you need is to add Flv filters, connect them and select the window.

Here is the base.

C++

// DirectShow interfaces
IGraphBuilder *pGB = NULL;
IMediaControl *pMC = NULL;
IMediaEventEx *pME = NULL;
IVideoWindow  *pVW = NULL;
IBasicAudio   *pBA = NULL;
IBasicVideo   *pBV = NULL;
IMediaSeeking *pMS = NULL;
IMediaPosition *pMP = NULL;
IVideoFrameStep *pFS = NULL;


<pre lang="xml">// add file source
        CComPtr<IBaseFilter> pSource;
        JIF(pGB->AddSourceFilter(wFile, L"Source", &pSource));
        CComPtr<IPin> pSrcPin;
        JIF(pSource->FindPin(L"Output", &pSrcPin));

        // add my video renderer
        CComPtr<IBaseFilter> pRendererFilter;
        JIF(pRendererFilter.CoCreateInstance(CLSID_StereoRendererLR, NULL, CLSCTX_INPROC_SERVER));
        JIF(pGB->AddFilter(pRendererFilter, L"Stereo Renderer LR"));
        //CComPtr<IPin> pDestPin;
        //JIF(pRendererFilter->FindPin(L"In", &pDestPin));

        // add directsound renderer
        CComPtr<IBaseFilter> pDirectSound;
        JIF(pDirectSound.CoCreateInstance(CLSID_DSoundRender, NULL, CLSCTX_INPROC_SERVER));
        JIF(pGB->AddFilter(pDirectSound, L"DirectSound"));

        // render graph without adding new renderers
        CComPtr<IFilterGraph2> pFG2;
        JIF(pGB->QueryInterface(IID_IFilterGraph2, (void **)&pFG2));
        JIF(pFG2->RenderEx(pSrcPin, AM_RENDEREX_RENDERTOEXISTINGRENDERERS, NULL));



        // ************************
        // Have the graph builder construct its the appropriate graph automatically
        //JIF(pGB->RenderFile(wFile, NULL));



        // QueryInterface for DirectShow interfaces
        JIF(pGB->QueryInterface(IID_IMediaControl, (void **)&pMC));
        JIF(pGB->QueryInterface(IID_IMediaEventEx, (void **)&pME));
        JIF(pGB->QueryInterface(IID_IMediaSeeking, (void **)&pMS));
        JIF(pGB->QueryInterface(IID_IMediaPosition, (void **)&pMP));

        // Query for video interfaces, which may not be relevant for audio files
        JIF(pGB->QueryInterface(IID_IVideoWindow, (void **)&pVW));
        JIF(pGB->QueryInterface(IID_IBasicVideo, (void **)&pBV));

        // Query for audio interfaces, which may not be relevant for video-only files
        JIF(pGB->QueryInterface(IID_IBasicAudio, (void **)&pBA));