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Hi, I'm new using libavformat, libavcodec and libavutil and I got
this thesis project where I need to select any video file from
filesystem and encode to any video format whatever I want. I've
tried many things, even the examples on several forums but I got no
luck. I'm working with Qt and C++ in Ubuntu 11.10, I don't know if
this could be an issue. My principal problem is how to detect which is the video stream in the array of streams (using libavformar for that), the thing is that I need a codec id which can be compared with any file I choose from the filesystem, or need to know if there is a way to find out which is the right codec id to compare. The other problem I got is when try to decode/encode the selected file the function avcodec_encode_video fails. Also fails when I try to get file info using libavformat and is a HD video file (doesn't matter the extension, mkv, avi, mpg, mpg4; always fails). Does anyone know anything about it? Thanks in advance for any help. Sorry by my english... --
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