Last message repeated 1 times Seems stream 1 codec frame rate differs from container frame rate: 20000.00 (20000/1) -> 10000.00 (20000/2) Last message repeated 1 times Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'videos/Heart/2013-04-11_22-44-26_411.mp4': Metadata: major_brand : 3gp4 minor_version : 512 compatible_brands: 3gp4 Duration: 00:07:27.04, start: 0.000000, bitrate: 13744 kb/s Stream #0.0(eng): Audio: aac, 44100 Hz, stereo, s16, 125 kb/s Stream #0.1(eng): Video: h264 (Baseline), yuv420p, 1920x1080, 13610 kb/s, 23.69 fps, 10k tbr, 10k tbn, 20k tbc At least one output file must be specified