#3537: Wrong duration of some WMV to MP4 file or wrong meta data with ffmpeg 2.1
and 2.2, but ok with 1.2 and old
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Reporter: vikigns | Owner:
Type: defect | Status: new
Priority: important | Component:
Version: unspecified | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
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Comment (by cehoyos):
I tested the following command line:
{{{
$ ffmpeg -ss 10 -i 1280.wmv -vcodec mpeg4 -strict -2 -acodec aac -t 29
-qscale 2 -s 640:360 out.mp4
}}}
FFmpeg, MPlayer and vlc all report the length of the output file as 29
seconds. How can I reproduce the problem?
{{{
$ ffmpeg -i out.mp4
ffmpeg version N-62246-g02497a5 Copyright (c) 2000-2014 the FFmpeg
developers
built on Apr 7 2014 12:19:24 with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl
libavutil 52. 74.100 / 52. 74.100
libavcodec 55. 58.102 / 55. 58.102
libavformat 55. 36.102 / 55. 36.102
libavdevice 55. 11.100 / 55. 11.100
libavfilter 4. 3.100 / 4. 3.100
libswscale 2. 6.100 / 2. 6.100
libswresample 0. 18.100 / 0. 18.100
libpostproc 52. 3.100 / 52. 3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'out.mp4':
Metadata:
major_brand : isom
minor_version : 512
compatible_brands: isomiso2mp41
encoder : Lavf55.36.102
Duration: 00:00:29.02, start: 0.023220, bitrate: 2954 kb/s
Stream #0:0(und): Video: mpeg4 (Simple Profile) (mp4v / 0x7634706D),
yuv420p, 640x360 [SAR 1:1 DAR 16:9], 2821 kb/s, 30 fps, 30 tbr, 15360 tbn,
30 tbc (default)
Metadata:
handler_name : VideoHandler
Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo,
fltp, 128 kb/s (default)
Metadata:
handler_name : SoundHandler
At least one output file must be specified
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/3537#comment:10>
FFmpeg <https://ffmpeg.org>
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