Hello,
ffmpeg run well for many videos (Thanks !) but for some I had an error
message which make me think that I would need a ffmpeg version running
the 57.56.100 version of libavformat.
On your page https://ffmpeg.org/download.html the version of libavformat
of ffmpeg 3.2.14 is said to be 57.57.100 but in fact it is 57.56.101
(cf version.h of libavformat)
My error message is the following :
When running ffmpeg :
-----------------------------
> ffmpeg -i Cyrano.wmv Cyrano.mp4
> ffmpeg version 3.2.14 Copyright (c) 2000-2019 the FFmpeg developers
> built with gcc 6.3.0 (Debian 6.3.0-18+deb9u1) 20170516
> configuration:
> libavutil 55. 34.101 / 55. 34.101
> libavcodec 57. 64.101 / 57. 64.101
> libavformat 57. 56.100 / 57. 56.100
> libavdevice 57. 1.100 / 57. 1.100
> libavfilter 6. 65.100 / 6. 65.100
> libswscale 4. 2.100 / 4. 2.100
> libswresample 2. 3.100 / 2. 3.100
> Cyrano.wmv: Invalid data found when processing input
When running mencoder :
---------------------------------
> mencoder Cyrano.wmv -ofps 23.976 -ovc lavc -oac copy -o Cyrano.avi
> MEncoder 1.3.0 (Debian), built with gcc-6.2.1 (C) 2000-2016 MPlayer Team
> success: format: 0 data: 0x0 - 0x75b09ffa
> *libavformat version 57.56.101* (external)
> *Mismatching header version 57.56.100*
As I have plenty of videos VHS tapes which have been converted to wmv
files (via "VHS to DVD 4.0 SE" software) with possibly a header version
57.56.100 of libavformat (if I can understand well the error message), I
would really be thankfull for any help you could give me.
Sincerely yours,
Laurent
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