On Mon, Feb 15, 2021 at 12:50 AM Mark Filipak (ffmpeg) <markfili...@bog.us> wrote:
> Disclosure: Everything that follows may be wrong. > > I reckon that, except for a few filters, the important metric is PTS, not > the frame #s assigned at a > filter's input node nor its wall-clock arrival time at a filter's input > node. For example, > 'interleave' performs frame interleaves based on the PTSs of incoming > frames -- at least, that's > what I think. > > Am I correct? > > If so, wouldn't it be helpful if filter documentation included how it > generates PTSs? > PTS are not generated. > > Filter documentation should include: > 1, More than just the names of directives (i.e. "options") -- some do, > some don't, > 2, Input specifications that include > 2.1, The minimum number of output frames, > 2.2, The number of output frames per input frame, and > 2.3, Indication of the frames that are dropped (if any), for example: > "first frame is dropped", > "last 2 frames are dropped", etc., and > 3, The mathematical formula employed to calculate output PTSs. > > I urge responses from all who are critical -- You know who you are! > Perhaps someday we will be > allowed to contribute. There are several of us who are critical. If > allowed, we could resolve all > issues for all filters in just a few days. > > -- > Any journey, no matter how long, is just a series of small steps. > "Government is the problem!" -- 1982 and onward. > "_______ is the enemy of the people!" -- 2016 and onward. > "You have to fight like hell or you're not going to have a country!" -- > Jan 6, 2021. > It isn't the distance that's important, it's the direction. > _______________________________________________ > ffmpeg-user mailing list > ffmpeg-user@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".