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Pass two buffers to videnc_copy codec

Hello,

I am working on the DM6446 using application on ARM side and the codec runs remotely on the DSP.

The ARM application contains a thread that instantiate the codec, control, and process (like the encodedecode demo but iam just using the encoder)

The default input to the videnc_copy codec is one frame 720*480 UYVY 4:2:2 total size of 720*480*2 =  691200 bytes. I want to pass another buffer from the ARM application to the codec contains another 345600 bytes which will be used with processing to the frame.

How can i pass this another buffer and how to configure it.

Best Regards.