New submission from mt <[email protected]>:
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 <[email protected]>
<https://roundup.ffmpeg.org/issue2590>
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