Modifying the video and audio stream

#1
Hello,
It's possible to modifying the video and audio stream the by using DVB-Dream modules. It has an API like this:

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BOOL StreamCallback(unsigned char *InBuf, int InLen, void *pOutBuf, int *pOutLen): BOOL;
Is possible the same action with ProgDVB modules or even plugins?
I need access to TS/188 and then modify it. After that ProgDVB should use this modified stream instead of the original one.
Is there any sample for this purpose?

Thanks for your time.

Re: Modifying the video and audio stream

#3
To override the built-in CSA module of ProgDVB.
Currently MD-API plugins send DCWs to ProgDVB and then it uses them to do the final decryption of the audio and video stream (using the built-in CSA module). I want to do this step myself and I want to replace it with a custom algo such as DES. So I need a stream callback like this to control the process.

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BOOL StreamCallback(unsigned char *InOutBuf, int InLen)
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