On date Friday 2007-04-27 11:43:25 +0530, jayashree.sripada at wipro.com encoded:

Hi, I am trying to see what is the exact requirement to genrate a YUV file as oput using the ffmpeg.exe file.I give my command as

ffmpeg -i test.mpg frame1.yuv.

When I try to view this particular frame1.yuv file, using a YUV viewer I am not able to see the right output. The ouput is distorted. I have tried generating a YUV file from the same test.mpg input using the tutorial by Martin BOhme and I am able to view theYUV420 file in the YUV viewer.

Can anybody please let me know what is wrong in the above command I have given, to generate a YUV file using ffmpeg.exe.

In order to decode rawvideo you need to specify the size of each video frame. For example you can use: ffplay -s <size> -r <rate> movie.yuv or you can encode each frame into a distinct file with: ffmpeg -i movie.avi -s <size> -pix_fmt yuv420p -f image2 movie/frame-%04d.yuv HTH.

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