New submission from mt <m...@nef.wh.uni-dortmund.de>: Stream copy of xvid avis to mp4 causes stuttering playback on Quicktime. Plays ok with VLC, but that doesn't really help in the Apple Universe.
ffmpeg -i input.avi -vcodec copy -acodec copy output.mp4 FFmpeg version git-a1c1d3c, Copyright (c) 2000-2011 the FFmpeg developers built on Feb 8 2011 08:51:57 with gcc 4.2.1 (Apple Inc. build 5664) configuration: libavutil 50. 37. 0 / 50. 37. 0 libavcore 0. 16. 1 / 0. 16. 1 libavcodec 52.110. 0 / 52.110. 0 libavformat 52. 97. 0 / 52. 97. 0 libavdevice 52. 2. 3 / 52. 2. 3 libavfilter 1. 74. 0 / 1. 74. 0 libswscale 0. 12. 0 / 0. 12. 0 Seems stream 0 codec frame rate differs from container frame rate: 23.98 (65535/2733) -> 23.98 (2997003/125000) Input #0, avi, from 'input.avi': Metadata: encoder : transcode-1.0.6 Duration: 00:21:11.81, start: 0.000000, bitrate: 1150 kb/s Stream #0.0: Video: mpeg4, yuv420p, 624x352 [PAR 1:1 DAR 39:22], 23.98 tbr, 23.98 tbn, 23.98 tbc Stream #0.1: Audio: mp3, 48000 Hz, stereo, s16, 128 kb/s Output #0, mp4, to 'output.mp4': Metadata: encoder : Lavf52.97.0 Stream #0.0: Video: mpeg4, yuv420p, 624x352 [PAR 1:1 DAR 39:22], q=2-31, 2997003.00 tbn, 23.98 tbc Stream #0.1: Audio: i[0][0][0] / 0x0069, 48000 Hz, stereo, 128 kb/s Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Press [q] to stop encoding [mp4 @ 0x101b000] pts has no value Last message repeated 11395 times6132kB time=1161.86 bitrate=1171.4kbits/s frame=30493 fps=3623 q=-1.0 Lsize= 177255kB time=1271.81 bitrate=1141.7kbits/s video:150771kB audio:25844kB global headers:0kB muxing overhead 0.362147% ---------- messages: 13635 priority: normal status: new substatus: new title: stream copy xvid avi to mp4 causes stuttering playback on quicktime type: bug ________________________________________________ FFmpeg issue tracker <iss...@roundup.ffmpeg.org> <https://roundup.ffmpeg.org/issue2590> ________________________________________________