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

Paul B Mahol onemda at gmail.com
Mon Jul 13 20:06:08 EEST 2020


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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