[FFmpeg-user] Newb Help! Extracting pics from recovered video file/ or repair recovered video file

[frank rizo]

I’m not that smart with all this, so, how do i find out that information? with a working video from the same source?

> On Jul 13, 2020, at 1:06 PM, Paul B Mahol <onemda at gmail.com> wrote:
> 
> On 7/13/20, frank rizo <frizo559 at gmail.com> wrote:
>> I Think I am doing this correct, but I get an error. I have recovered some
>> videos from a mac that crashed and can’t be helped… they are .mov files and
>> look like they have a lot of data in them. several gig on each one… I have
>> tried several unpaid and paid programs that use and don’t use some ffmpeg
>> bits in them, with no luck to repair video. As I can NOT ply these videos
>> with any type of player. So I am here, wondering if extracting pictures from
>> the video will get me any , all partial… pics, … I tried this….with no
>> result. heres from my terminal
>> 
>> 
>> ALLs-MacBook-Pro-3:~ ALL$ cd desktop
>> ALLs-MacBook-Pro-3:desktop ALL$ ls
>> 00005580.mov
>> ALLs-MacBook-Pro-3:desktop ALL$ ffmpeg -i 00005580.mov -vf fps=1/60
>> thumb%04d.png
>> ffmpeg version 4.3.1 Copyright (c) 2000-2020 the FFmpeg developers
>>  built with Apple LLVM version 10.0.0 (clang-1000.11.45.5)
>>  configuration: --prefix=/usr/local/Cellar/ffmpeg/4.3.1 --enable-shared
>> --enable-pthreads --enable-version3 --enable-avresample --cc=clang
>> --host-cflags= --host-ldflags= --enable-ffplay --enable-gnutls --enable-gpl
>> --enable-libaom --enable-libbluray --enable-libdav1d --enable-libmp3lame
>> --enable-libopus --enable-librav1e --enable-librubberband --enable-libsnappy
>> --enable-libsrt --enable-libtesseract --enable-libtheora --enable-libvidstab
>> --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264
>> --enable-libx265 --enable-libxml2 --enable-libxvid --enable-lzma
>> --enable-libfontconfig --enable-libfreetype --enable-frei0r --enable-libass
>> --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg
>> --enable-librtmp --enable-libspeex --enable-libsoxr --enable-videotoolbox
>> --disable-libjack --disable-indev=jack
>>  libavutil      56. 51.100 / 56. 51.100
>>  libavcodec     58. 91.100 / 58. 91.100
>>  libavformat    58. 45.100 / 58. 45.100
>>  libavdevice    58. 10.100 / 58. 10.100
>>  libavfilter     7. 85.100 /  7. 85.100
>>  libavresample   4.  0.  0 /  4.  0.  0
>>  libswscale      5.  7.100 /  5.  7.100
>>  libswresample   3.  7.100 /  3.  7.100
>>  libpostproc    55.  7.100 / 55.  7.100
>> [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7fe15d01b000] moov atom not found
>> 00005580.mov: Invalid data found when processing input
>> ALLs-MacBook-Pro-3:desktop ALL$
>> 
> 
> This can be done only if we know which codec where stored in file.
> 
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