2015-10-13 21:17 GMT+11:00 Carl Eugen Hoyos <[email protected]>: > YIRAN LI <mrfun.china@...> writes: > > > And does this mean, for any encoders that can > > generate B frames, I need to do similar > > pre-processing before calling av_write_frame()? > > No, only for encoders that produce broken pts/dts. > > > So if I don't know possible max B frames, then I > > can't use av_write_frame to correctly mux? > > You set max_bframes when you init the encoder. > > Feel free to subtract 1 from dts as an alternative. > > Great thanks Carl, by the way if subtract 1 from dts, then I'll have a negative dts value, is that still valid?
> Carl Eugen > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user >
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