2015-01-28 15:34 GMT+02:00 Nicolas George <[email protected]>:
> Le nonidi 9 pluviôse, an CCXXIII, Max Vlasov a écrit : > > The idea was to read all packets saving pts and keyframe flag (without > > decoding) and make a list of them in order of ptses. After this we have a > > ready FrameCount and when one needs to jump to an exact frame number > > Why do people here always want to work with frame numbers? Frame numbers > are > unreliable, they are a remnant of the time where containers could only do > constant FPS. > > The correct way of identifying a frame is not its number, it is its > timestamp. > > Regards, > > -- > Nicolas George > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > > Frames are important entities if the application is video editor. It wants to treat video as a sequence of images. It wants discrete timeline where each frame is a unit. How about buffering 40ms of video in memory? Vague. 40 frames? Required memory=frame_size*40. Simple. etc
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