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  1. Hi.

    Have a MTS file size 231 MB and length 02:32 minutes.

    I want to extract all frames from this file and save those as PNG files to a folder.

    The command I use is (runs from a bat file):
    Code:
    D:\Multimedia\ffmpeg\bin\ffmpeg.exe -i 00025.MTS -r 1/1 $filename%03d.jpg
    Instead of extracting any images, I just get this console text:
    Code:
    H:\Q>REM D:\Multimedia\ffmpeg\bin\ffmpeg.exe -i 00025.MTS -r 1/1 $filename"H:\Q\
    pextract.bat"3d.jpg
    
    H:\Q>D:\Multimedia\ffmpeg\bin\ffmpeg.exe -i 00025.MTS -r 1/1 $filename"H:\Q\pext
    ract.bat"3d.jpg
    ffmpeg version N-58401-gffe31c6 Copyright (c) 2000-2013 the FFmpeg developers
      built on Nov 22 2013 20:01:03 with gcc 4.8.2 (GCC)
      configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
    e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
    ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
    ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
    eex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aa
    cenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavp
    ack --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
      libavutil      52. 54.100 / 52. 54.100
      libavcodec     55. 44.100 / 55. 44.100
      libavformat    55. 21.101 / 55. 21.101
      libavdevice    55.  5.100 / 55.  5.100
      libavfilter     3. 91.100 /  3. 91.100
      libswscale      2.  5.101 /  2.  5.101
      libswresample   0. 17.104 /  0. 17.104
      libpostproc    52.  3.100 / 52.  3.100
    Input #0, mpegts, from '00025.MTS':
      Duration: 00:02:32.13, start: 2.306356, bitrate: 12744 kb/s
      Program 1
        Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448), yuv420p, 1920x1
    080 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
        Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), fl
    tp, 384 kb/s
        Stream #0:2[0x1200]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090),
    1920x1080
    [swscaler @ 02c665c0] deprecated pixel format used, make sure you did set range
    correctly
    Output #0, image2, to '$filenameH:\Q\pextract.bat3d.jpg':
      Metadata:
        encoder         : Lavf55.21.101
        Stream #0:0: Video: mjpeg, yuvj420p, 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 2
    00 kb/s, 90k tbn, 1 tbc
    Stream mapping:
      Stream #0:0 -> #0:0 (h264 -> mjpeg)
    Press [q] to stop, [?] for help
    [image2 @ 03482020] Could not open file : $filenameH:\Q\pextract.bat3d.jpg
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  2. Member vhelp's Avatar
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    assuming this is film, change the -r l/l to -r 23.976

    this works for me:

    Code:
    ffmpeg.hevc.exe -i video.hm10 -r 23.976 image.jpg
    but i don't know how to get a specific frame.
    Quote Quote  
  3. Originally Posted by vhelp View Post
    assuming this is film, change the -r l/l to -r 23.976

    this works for me:

    Code:
    ffmpeg.hevc.exe -i video.hm10 -r 23.976 image.jpg
    but i don't know how to get a specific frame.
    Thanks, but I still doesn't get it to work
    I changed the command to
    Code:
    D:\Multimedia\ffmpeg\bin\ffmpeg.exe -i 00025.MTS -r 25.000 image.jpg
    .

    I still got this console output:
    Code:
    H:\Q>D:\Multimedia\ffmpeg\bin\ffmpeg.exe -i 00025.MTS -r 25.000 image.jpg
    ffmpeg version N-58401-gffe31c6 Copyright (c) 2000-2013 the FFmpeg developers
      built on Nov 22 2013 20:01:03 with gcc 4.8.2 (GCC)
      configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
    e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
    ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
    ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
    eex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aa
    cenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavp
    ack --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
      libavutil      52. 54.100 / 52. 54.100
      libavcodec     55. 44.100 / 55. 44.100
      libavformat    55. 21.101 / 55. 21.101
      libavdevice    55.  5.100 / 55.  5.100
      libavfilter     3. 91.100 /  3. 91.100
      libswscale      2.  5.101 /  2.  5.101
      libswresample   0. 17.104 /  0. 17.104
      libpostproc    52.  3.100 / 52.  3.100
    Input #0, mpegts, from '00025.MTS':
      Duration: 00:02:32.13, start: 2.306356, bitrate: 12744 kb/s
      Program 1
        Stream #0:0[0x1011]: Video: h264 (High) (HDMV / 0x564D4448), yuv420p, 1920x1
    080 [SAR 1:1 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc
        Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), fl
    tp, 384 kb/s
        Stream #0:2[0x1200]: Subtitle: hdmv_pgs_subtitle ([144][0][0][0] / 0x0090),
    1920x1080
    [swscaler @ 02c66640] deprecated pixel format used, make sure you did set range
    correctly
    Output #0, image2, to 'image.jpg':
      Metadata:
        encoder         : Lavf55.21.101
        Stream #0:0: Video: mjpeg, yuvj420p, 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 2
    00 kb/s, 90k tbn, 25 tbc
    Stream mapping:
      Stream #0:0 -> #0:0 (h264 -> mjpeg)
    Press [q] to stop, [?] for help
    [image2 @ 033a1020] Could not get frame filename number 2 from pattern 'image.jp
    g' (either set updatefirst or use a pattern like %03d within the filename patter
    n)
    av_interleaved_write_frame(): Invalid argument
    Quote Quote  
  4. Code:
    ffmpeg -i 00025.mts -vcodec png -an output%04d.png

    I want to extract all frames from this file and save those as PNG files to a folder.
    Did you mean PNG or JPEG ?
    Quote Quote  
  5. Member vhelp's Avatar
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    there different ways of doing it.

    Code:
    ffmpeg -i g:\1440x1080p.H264.m2ts -ss 00:00:00 -ss 00:00:04 -frames:v 24 -r 23.976 -y im_%4d.png
    the -ss is the seek method into the video. in the above example, i use two -ss commands. there are advantanges of when to use -ss. before the -i video and after. this affects the accuracy (between i-frames) and/or speed. for general extracting, i would say it doesn't matter. if you exclude the -ss (or -t which is the duration or length you want to extract) you will only get the first frame and no more.

    the %4d is the length of the padding for zeros sequentually, or else the sorting won't work correctly when opening/viewing the images in a folder or video timeline.

    the -frames:v n (n) is the how many frames you want to extract from that -ss position and onward, up to the end of the video. in the above example, i am extracting 24 frames, im_0001 im_0002 im_0003, ... im_0024.png

    if you add the .png at the end of the filename, ffmpeg will understand you want the .png format and convert to it automatically.
    Quote Quote  
  6. Hi. It still won't work. Now, ffmpeg ask to overwrite the input file

    Here is the command:
    Code:
    D:\Multimedia\ffmpeg\bin\ffmpeg.exe 00025.MTS -ss 00:00:00 -ss 00:00:10 -frames:v 50 -r 25.000 -y image_%4d.jpg
    And here is the console output:
    Code:
    H:\Q>D:\Multimedia\ffmpeg\bin\ffmpeg.exe 00025.MTS -ss 00:00:00 -ss 00:00:10 -fr
    ames:v 50 -r 25.000 -y image_d.jpg
    ffmpeg version N-58401-gffe31c6 Copyright (c) 2000-2013 the FFmpeg developers
      built on Nov 22 2013 20:01:03 with gcc 4.8.2 (GCC)
      configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
    e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
    ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
    ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
    eex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aa
    cenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavp
    ack --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
      libavutil      52. 54.100 / 52. 54.100
      libavcodec     55. 44.100 / 55. 44.100
      libavformat    55. 21.101 / 55. 21.101
      libavdevice    55.  5.100 / 55.  5.100
      libavfilter     3. 91.100 /  3. 91.100
      libswscale      2.  5.101 /  2.  5.101
      libswresample   0. 17.104 /  0. 17.104
      libpostproc    52.  3.100 / 52.  3.100
    Output #0, mpegts, to '00025.MTS':
    Output file #0 does not contain any stream
    I think one problem is that "%4" in a bat file is threated as argument number four. It does omit from console output.
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  7. Member vhelp's Avatar
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    when working through "batch" mode, you need to add the -y command. that overrides that issue.

    also, make sure that your seconds -ss command is the exact time or less, or else it won't work. i had that problem.

    i.e., 00:01:50:04 is 1h, 50min, and 4sec

    don't enter 00:01:51

    tip: don't test ffmpeg inside batch scripts/files. run the ffmpeg params from inside a dos console window. then, once you have everything working, you can add them into a script file. sometimes, for reasons i can't explain, if it doesn't work in a script, you have to add an CMD.EXE in front of the ffmpeg.

    i.e, cmd.exe /C ffmpeg params.

    also, make sure there are no spaces, or else you should always enclose "drive_path_filename" inside quotes.

    you should put all exe files and videos in the same folder. it looks like you are not including the drive/path parts.

    and last, the problem could also be the version of ffmpeg. there is a link somewhere for the ffmpeg builds.
    Quote Quote  
  8. Originally Posted by Prototype v1.0 View Post
    I think one problem is that "%4" in a bat file is threated as argument number four. It does omit from console output.

    As a commandline you need 1 % , as a batch file you need 2 %

    e.g
    for commandline
    output%04d.png

    for batch file
    output%%04d.png

    Code:
    ffmpeg -i 00025.mts -vcodec png -an output%%04d.png
    Quote Quote  
  9. I've taken into account your tip. However it just seems to not work whatever I do.

    I now have this command, adjusting the time format, adding CMD.EXE /C in front, AND I'm positive there is no spaces nor non-english characters in any file names. Unsuccessful command goes like this:
    Code:
    CMD.EXE /C D:\Multimedia\ffmpeg\bin\ffmpeg.exe 00025.MTS -map 0 -ss 00:00:00:00 -ss 00:00:00:10 -frames:v 50 -r 25.000 -y image_%%4d.jpg
    However, it doesn't work. Now, ffmpeg tries to overwrite the input file (file goes 0 byte), so I tried to make the MTS file write protected. So I got this from console output:
    Code:
    H:\Q>CMD.EXE /C D:\Multimedia\ffmpeg\bin\ffmpeg.exe 00025.MTS -map 0 -ss 00:00:0
    0:00 -ss 00:00:00:10 -frames:v 50 -r 25.000 -y image_%4d.jpg
    ffmpeg version N-58401-gffe31c6 Copyright (c) 2000-2013 the FFmpeg developers
      built on Nov 22 2013 20:01:03 with gcc 4.8.2 (GCC)
      configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
    isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
    le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
    e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
    ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
    ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
    eex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aa
    cenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavp
    ack --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
      libavutil      52. 54.100 / 52. 54.100
      libavcodec     55. 44.100 / 55. 44.100
      libavformat    55. 21.101 / 55. 21.101
      libavdevice    55.  5.100 / 55.  5.100
      libavfilter     3. 91.100 /  3. 91.100
      libswscale      2.  5.101 /  2.  5.101
      libswresample   0. 17.104 /  0. 17.104
      libpostproc    52.  3.100 / 52.  3.100
    00025.MTS: Permission denied
    Quote Quote  
  10. It's not working because you're not following instructions

    If you want to extract ALL frames as you said you wanted to do in the 1st post, use the command line given in my post above

    You're commandline doesn't make any sense. Why do you have 2 -ss entries ? If you want 50 frames, then you only need to specify the start time with -frames:v 50 . If your file is 25 fps, then that will be 2 seconds. If you want a duration , then you need to specify a start time -ss , and a duration -t . not 2 start times. not -frames:v

    The -y command is causing you to overwrite because you haven't specified an input file (-i isn't in your commandline) . It's very dangerous to use -y unless you know what you are doing (it will automatically say "yes" to whatever)
    Quote Quote  
  11. Member vhelp's Avatar
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    (-i isn't in your commandline)
    i am blind, and missed that!

    the op should double-check the filesize of his "00025.MTS" file, just in case it was overwritten to zero due to not having the -i when using -y command, or else it still won't work.
    Quote Quote  
  12. Originally Posted by Prototype v1.0 View Post
    I think one problem is that "%4" in a bat file is threated as argument number four. It does omit from console output.
    You are correct. You must change that to %%04d actually.

    %% in bat file converts to % in console command
    Next you must use 0 before the 4. Zero means pad unused digits with 0. 4d means 4 decimal number and it specifies the number of digits to pad to. You must remember to use d or I think it defaults to hexadecimal (or might not even know what to do, and crash).

    With that set up. the smallest number is 0 and will be padded out to 0000. And then 1 becomes 0001 and 2 becomes 0002, etc. Then the largest number with that command will be 9999. This means you can extract a maximum of 10000 frames this way.
    Quote Quote  
  13. Thanks guys, I finaly put together a command that actually works:
    Code:
    CMD.EXE /C D:\Multimedia\ffmpeg\bin\ffmpeg.exe -i 00025.MTS -ss 00:00:00 -t 00:00:10 -frames:v 50 -r 25.000 -y image_%%04d.jpg
    I see I've misunderstood some of the previous answers. Amazing
    Yes, I omitted the zeero character - I had no idea it was that important.

    Just two more questions - Is it possible to make ffmpeg extract only keyframes? And is there possible to make ffmpeg to extract all frames without knowing the video file frame rate.
    I plan to make a script in sendto of right click menu in windows for this, and therefore I need to be able to extract all frames, regardless of their framerates.


    Any way, thanks a lot for getting me this far
    Quote Quote  
  14. Originally Posted by Prototype v1.0 View Post
    Is it possible to make ffmpeg extract only keyframes?
    -vf select="eq(pict_type\,PICT_TYPE_I)"

    Note, ffmpeg does not distinguish between non keyframe "i" frames, and keyframe or "IDR" frames. ( ie. You will get all "I" frames, some of which might not be true keyframes)


    And is there possible to make ffmpeg to extract all frames without knowing the video file frame rate.
    You don't need to specify -r when outputting an image sequence or extracting all frames

    Your commandline still doesn't make sense . You specified a start time (-ss) and a duration (-t) for 10 seconds, but then you specify 50 frames ? 10 seconds at 25 fps is 250 frames

    For example if you only wanted from 0 to 10 seconds, you don't need -frames:v 50 . Or if you only wanted 50 frames, you don't need -t
    Quote Quote  
  15. Thanks for pointing out a bug in the command, poisondeathray. It's just a little too much in my head at once so I didn't noticed

    When it comes to IDR frames I guess I can live with that, thought I haven't read up on IDR frames


    Just have to say you guys made my day , thanks for helping me solve this.
    Quote Quote  
  16. Note, ffmpeg does not distinguish between non keyframe "i" frames, and keyframe or "IDR" frames. ( ie. You will get all "I" frames, some of which might not be true keyframes)
    can anyone confirm this (from my recollection this shouldn't be the case with current ffmpeg versions)
    Quote Quote  
  17. Originally Posted by Selur View Post
    Note, ffmpeg does not distinguish between non keyframe "i" frames, and keyframe or "IDR" frames. ( ie. You will get all "I" frames, some of which might not be true keyframes)
    can anyone confirm this (from my recollection this shouldn't be the case with current ffmpeg versions)

    Still true, unless "current" means something changed within the last week
    Quote Quote  
  18. okay, thought this had changed,..
    Quote Quote  
  19. Another thing I dislike is ffmpeg starts numbering at "1" not "zero" . Most other programs, NLE's, avisynth etc... start at "zero" . Do you Selur or anybody know how to change that ? Is there a switch or something or would have to recompile/modify ffmpeg ?
    Quote Quote  
  20. What numbering are you referring to, because the stream numbering starts at zero.
    Code:
      Duration: 00:00:17.16, start: 0.000000, bitrate: 860 kb/s
        Stream #0:0: Video: mpeg4 (Advanced Simple Profile) (XVID / 0x44495658), yuv420p, 640x352 [SAR 1:1 DAR 20:11], 25 tbr, 25 tbn, 25 tbc
        Stream #0:1: Audio: mp3 (U[0][0][0] / 0x0055), 48000 Hz, stereo, s16p, 123 kb/s
    Quote Quote  
  21. I meant if you export a still image sequence like PNG, JPEG (you know, the topic of this thread ... )
    Quote Quote  
  22. Ah, okay. (doesn't really matter to me if the numbering starts at zero or one )
    Only way to change the image numbering is probably to patch the source before building.

    btw. "image_%%04d.jpg" should be "image_%04d.jpg"
    Quote Quote  
  23. Originally Posted by Selur View Post

    btw. "image_%%04d.jpg" should be "image_%04d.jpg"
    Not in a windows batch file such as he is using. See post #8
    Quote Quote  
  24. doh, overlooked the batch thing
    Quote Quote  
  25. Hi, me again. Starting getting the hang of it thanks to you guys.

    I ran into two problems.

    Problem 1
    I did try to add -vf select="eq(pict_type\,PICT_TYPE_I)" to only get I-frames, however it did not turned out as expected.

    I have a short video that contains 600 frames totally, and when changing the command so that ffmpeg extract only I-frames, it outputs something like 580 picture files. When I browse through the pictures, then a lot of the pictures is identical. When I browsing through the pictures, I'll find that typically 6 to 10 following pictures is completely identical.

    Is this a bug or is there a command that resolve the issue.


    Problem 2
    I have a video clip, MP4 container, AVC format, 1440x1080 pixels. When playing this file in e.g. VLC, it automatically resize to 16:9, but ffmpeg does not resize, resulting in wrong aspect ratio for output pictures.

    I can always have a program doing the resizing, but I wonder how I can make ffmpeg do that.


    Thanks in advance
    Quote Quote  
  26. regarding 1: without a sample, hard to say if this is a bug or you making some mistake
    regarding 2: you have to tell ffmpeg to resize according to the aspect ratio, otherwise ffmpeg handles the aspect ratio as it what it is a flag which gets ignored unless you tell it to do something with it
    Quote Quote  
  27. I got it. After some searching I found that I needed to add -vf scale=1440:810 to get the size correct.

    What sample method does ffmpeg use for scaling of video frames? (I got no answer on google - that misunderstand and thinks I do audio resample)
    Quote Quote  
  28. Code:
    SWScaler AVOptions:
      -sws_flags         <flags>      E..V.. scaler flags (default 4)
         fast_bilinear                E..V.. fast bilinear
         bilinear                     E..V.. bilinear
         bicubic                      E..V.. bicubic
         experimental                 E..V.. experimental
         neighbor                     E..V.. nearest neighbor
         area                         E..V.. averaging area
         bicublin                     E..V.. luma bicubic, chroma bilinear
         gauss                        E..V.. gaussian
         sinc                         E..V.. sinc
         lanczos                      E..V.. lanczos
         spline                       E..V.. natural bicubic spline
         print_info                   E..V.. print info
         accurate_rnd                 E..V.. accurate rounding
         full_chroma_int              E..V.. full chroma interpolation
         full_chroma_inp              E..V.. full chroma input
         bitexact                     E..V.. 
         error_diffusion              E..V.. error diffusion dither
      -srcw              <int>        E..V.. source width (from 1 to INT_MAX) (default 16)
      -srch              <int>        E..V.. source height (from 1 to INT_MAX) (default 16)
      -dstw              <int>        E..V.. destination width (from 1 to INT_MAX) (default 16)
      -dsth              <int>        E..V.. destination height (from 1 to INT_MAX) (default 16)
      -src_format        <int>        E..V.. source format (from 0 to 332) (default 0)
      -dst_format        <int>        E..V.. destination format (from 0 to 332) (default 0)
      -src_range         <int>        E..V.. source range (from 0 to 1) (default 0)
      -dst_range         <int>        E..V.. destination range (from 0 to 1) (default 0)
      -param0            <double>     E..V.. scaler param 0 (from INT_MIN to INT_MAX) (default 123456)
      -param1            <double>     E..V.. scaler param 1 (from INT_MIN to INT_MAX) (default 123456)
      -src_v_chr_pos     <int>        E..V.. source vertical chroma position in luma grid/256 (from -1 to 512) (default -1)
      -src_h_chr_pos     <int>        E..V.. source horizontal chroma position in luma grid/256 (from -1 to 512) (default -1)
      -dst_v_chr_pos     <int>        E..V.. destination vertical chroma position in luma grid/256 (from -1 to 512) (default -1)
      -dst_h_chr_pos     <int>        E..V.. destination horizontal chroma position in luma grid/256 (from -1 to 512) (default -1)
      -sws_dither        <int>        E..V.. set dithering algorithm (from 0 to 4) (default 1)
         auto                         E..V.. leave choice to sws
         bayer                        E..V.. bayer dither
         ed                           E..V.. error diffusion
    source: ffmpeg -h full
    Quote Quote  
  29. Member
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    hi i have a damaged mts file form wedding that when play in vlc there is no picture and no sound
    how can i use this code for extracting some frames from video
    and repair
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  30. Member
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    code:
    Image Attached Thumbnails Click image for larger version

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