On Thu, Oct 20, 2016 at 12:13 PM, Carl Eugen Hoyos <[email protected]> wrote:
> 2016-10-20 10:38 GMT+02:00 Gabor Alsecz <[email protected]>: > > Dear All, > > > > Would like to know what is the best way/parameter to force key frame > > interval. I would need 2*FPS > > I'm feeding FFmpeg's stdout with raw images at fps 25. > > > So far i have the following command: > > > ffmpeg -y -loglevel info -f lavfi -i aevalsrc=0 -f rawvideo -pix_fmt > > rgb24 -video_size 1280x720 -framerate=25 -i "-" -f flv -acodec aac > -vcodec > > I don't think this is supposed to work. > > > h264_nvenc -profile:v high -vf "fps=25,format=yuv420p" -minrate 3000k > > Careful with the fps filter: If input fps == output fps, don't use it to be > on the safe side. > > > -maxrate 3000k -bufsize 6000k output.mp4 > > -g should set the keyframe interval. > > Carl Eugen > Carl, Why we should be careful with the fps filter? What's wrong with it? Anatol _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
