How to play sequentially several audio files with DirectShow ?

Hi everyone,

I want to play A.mp3 then B.mp3. After initializing an instance of
DirectShow, here is the way I load a file :

HRESULT hr;

WCHAR wFile[MAX_PATH];

int nLen = MultiByteToWideChar(CP_ACP, 0, fileName, -1, NULL, NULL);

MultiByteToWideChar(CP_ACP, 0, fileName, -1, wFile, nLen);

if FAILED(hr = m_pigb->RenderFile(wFile, NULL))
throw DXException("RenderFile", hr);

with fileName being 'A.mp3' then 'B.mp3'. Once the first file has been
loaded, I play it with m_pimc->Run(); where m_pimc is a pointer to
IMediaControl interface. The file is playing fine. Then, after a certain
amount of seconds, I call m_pimc->Stop(); and I load the B.mp3 file with the
code above. Then I call m_pimc->Run(); again but it's still the first file
that is played (i.e. A.mp3) and not B.mp3 ! Isn't it possible to render
several files with the same graph filter ?

Thanks in advance,
Mark


.

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