[Libav-user] Hwo to use libtheora and libvorbis programatically

[YIRAN LI]

Hi friends,

I'v successfully built Ffmpeg with --enable-libtheora --enable-libvorbis, I
know in command line mode, we can specify -vcode libtheora -acodec
libvorbis to use these codecs.

But when I'm using Ffmpeg interface in my application, how can I specify
the codecs I want to use?

Say, if I want to use theora encoder provided by libtheora , I just need to
open corresponding codecid? how about vorbis then? Because Ffmpeg has
native codec support fot vorbis, if I just pass in the codec id, which
codec (native or libvorbis) will be used?

Great thanks!
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