Hi all, I am relatively new to libavcodec & this is my first post to the list :)
Well I am trying to implement a DCT based watermarking strategy & want to extract the DCT Coefficients of the intra frames for a H.264 encoded video so as to retrieve the watermark. I searched the mailing list for similar questions and found a few threads, but the only thing everyone says is to look at avframe->dct_coeff. I looked at the avcodec.h file & all it says is libavcodec sets this particular structure member & whatsoever no info as to how it stores the coefficients. Could some experienced member throw some light as to how the coefficients be read ? ------- Rohit Nair _______________________________________________ libav-user mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/libav-user
