El mar., 3 nov. 2020 a las 18:36, John Harlow via ffmpeg-user (< [email protected]>) escribió:
> The -g is definitely the quality problem. I tried setting it various to > 30*1000/1001, 60*1000/1001 120*1000/1001, 180*1000/1001, 360/1000/1001and > even 15*1000/1001. > > > > Any of those changes show up in mediainfo as: > > Format settings : CABAC / 4 Ref Frames > Format settings, CABAC : Yes > Format settings, Reference frames : 4 frames > > > > I would have thought the interval for the ref frames was either 2 seconds > (60*1000/1001) or 2 per ts segment > > which would be (basically) 180*1000/1001. > > > I'm not sure how to get to Reference Frames 2. > > -g is the gop size in frames, integer, not time, if you want a key frame every 2 seconds you should use -g 60, when using 30fps. With gop 2, you are getting a keyframe every 2 frames, so basically your video is a huge collection of jpeg images _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
