a b <microspam <at> list.ru> writes: > $ ffmpeg -loop 1 -r 24 -i image.png -t 00:00:05 > -vcodec h264 -pix_fmt yuv420p -an image.mp4
> Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'image.mp4': > Duration: 00:00:03.00, start: 0.000000, bitrate: 46 kb/s > Stream #0:0(und): Video: h264 (High 4:4:4 Predictive) It is very unlikely that above command (that requests 4:2:0) was used to produce the input file (that has 4:4:4). You can only use concat on two videos with the same (very similar) properties, ie you need the same pix_fmt for both input videos. Carl Eugen _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
