I have an application which takes an input flv stream (opens a url), adds an overlay using libavfilter, transcodes the video using libx264, and writes to a new flv output stream. What's the easiest way to save the input flv content to file so I can compare the input and output content? I tried just writing the packets read from the input stream bit this apparently does not include the header / trailer. I tried to come up with another output format context to send the unmodified packets to. Seems I am either doing something wrong or I am missing something as I am getting a segfault when writing the frames. The core dump is useless as it just tells me there was some arithmetic error in the libavformat.so, no further detail.

Thanks,
Bob
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