In other words I need to decode every N-th (or calculated with some equation) frame from video, without re-encoding, and muxing it with specified timestamps - to look it faster. I believe it's possible, but how?
2015-03-22 21:12 GMT+03:00 Vasiliy Volkov <[email protected]>: > Carl, could you please specify the whole command line? Because I've tried > -r instead of -vf "fps..." but without expected result. Maybe I've misused > it. > I know about select filter and the problem here not about "how" extract > frame - based on scene detection or somehow different - but with output > framerate and the whole approach. How to do it. > Вс, 22 марта 2015 г. в 18:30, Carl Eugen Hoyos <[email protected]>: > > Vasiliy Volkov <volk.vasiliy <at> gmail.com> writes: >> >> > the output framerate is not as I need (I need it to >> > be as normal like 25 fps): >> > >> > ffmpeg -i source.mkv -vf "fps=fps=1/<Period>" >> > -vframes 1000 -qp 0 -an -f yuv4mpegpipe pipe:1 > frames.yuv >> >> You can specify a frame rate for your output file >> with "-r 25". >> >> There is also the select filter which may do what >> you want. >> >> Carl Eugen >> >> _______________________________________________ >> ffmpeg-user mailing list >> [email protected] >> http://ffmpeg.org/mailman/listinfo/ffmpeg-user >> > _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
