On 28/10/15 16:14, John Stebbins wrote: > The code as it stands forwards whatever value frame_rate has through the > filter chain. > frame_rate is initialized to 0/0 when the AVFilterLink is av_mallocz'd > and it can be initialized by buffersrc which sets a default value of > 0/0. > > So if you do not explicitly set frame_rate in buffersrc and no filter > converts to a specific frame_rate (e.g. vf_fps), you will get 0/0 at the > end of the filter chain. There are filters (interlace, framepack, and > yadif) that multiply input frame_rate.num or frame_rate.den by 2, but if > input frame_rate is 0/0, it will still be 0/0 at the end of the filter > chain. > > Maybe you are just asking to keep the comment, but correct it to say "or > 0/0 if unknown"? That would make sense.
Pretty much. I'd make sure that comment and code match and do not do something completely unexpected. lu _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
