[FFmpeg-user] ffmpeg - ogg

[Denis]

Hello everybody and sorry for my bad english.
I have wrote a simple program that create a mp4, mpeg and ogg file from a list of images.
The program works well with mp4 and mpeg format but, if I use ogg (theora) format I obtain this error:

Output #0, ogg, to '(null)':
    Stream #0:0: Video: theora, yuv420p, 320x240, q=2-31, 40 kb/s, 90k tbn, 25 tbc
[ogg @ 0xb17420c0] No extradata present


and the program goes crash. Must I specify something in pAVCodecContext->extradata? What?


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