2018-05-09 19:51 GMT+02:00, Carl Eugen Hoyos <ceffm...@gmail.com>: > 2018-05-09 17:53 GMT+02:00, mohammed bey ahmed khernache: >> Thank you for your reply. >> The input video is encoded with hevc at 25 fps. >> I tries this command: >> ffmpeg -threads 1 -vsync drop -i <input_video> -f null /dev/null >> I got this message in yellow: >> Encoder did not produce proper pts, making some up >> >> Unfortunately, I can not reach 25 fps while decoding, even >> with dropping frames. >> So I think that the option for "frame dropping" is not working !! > > The option vsync allows to duplicate / drop decoded frames to > maintain A/V sync, it is not related to the decoding speed. > Use "-skip_loop_filter all" to get some speed-up without > noticeable visual effect, use "-skip_frame noref" in addition to > get significant speed-up for some videos, feel free to also try > "-skip_frame bidir" (can cause artefacts iirc) and > "-skip_frame nokey" (which skips nearly all frames). > > Please remember not to top-post here, Carl Eugen > > PS: vsync is neither an input nor an output option, it is a > global option. > _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user
To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".