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• avformat/psxstr : fix unknown sector type 00/80

  2 janvier 2024, par aybe aybe

  avformat/psxstr : fix unknown sector type 00/80
  This third patch fixes warnings that are false positives (still on STRv1).
  That's because these sectors are simply empty ones as can be read in "System Description CD-ROM XA, May 1991,
  
  4.3.2.3".
  Haven't attempted significant refactoring as it just works, left a comment instead about the situation.
  The result is that there are no more false warnings when converting.
  Signed-off-by : aybe <aybe@users.noreply.github.com>
  
  Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
  

  • [DH] libavformat/psxstr.c

• Line 1 : unknown keyword ' file' ffmpeg

  6 janvier 2024, par pops64

  I am trying to run a concation of multiple files using ffmpeg. Followed directions in docs and getting

  


  Line 1: unknown keyword 'file'
[in#0 @ 000001b09b25e840] Error opening input: Invalid data found when processing input
Error opening input file mylist.txt.
Error opening input files: Invalid data found when processing input


  


  I am not sure what is going wrong. The text file appears to be in the correct format.

  


  $clips = Get-ChildItem -Path Y:\****\Test -File -Filter "*.mp4"
$regex = "(?:\w+)-(?:[i]+-)?(?\d+)-(?\d+)-(?:\w+)"
$groupedScenes = $clips | Group-Object {[regex]::Match($_.Name, $regex).Groups["scene_id"].value}
foreach($scene in $groupedScenes)
{
    $sortedScene = $scene.Group | Sort-Object {[regex]::Match($_.Name, $regex).Groups["clip_id"].value -as [int]} 
    foreach($i in $sortedScene) 
    {
        "file 'Y:\*****\Test\$i'" | Out-File mylist.txt -Encoding utf8 -Append
    }
    .\ffmpeg.exe -f concat -safe 0 -i mylist.txt -map 0 -c:v hevc_amf -quality quality -rc cqp -qp_p 26 -qp_i 26 -c:a aac -b:a 128K -y Y:\*****\Test\Procssed\$sortedScene.mp4
    Remove-Item mylist.txt
}


  


• Possible issue / unknown "feature" of ffmpeg ? [closed]

  23 septembre 2023, par Grumpy OldMan

  I'm using ffmpeg to split up a MP4 file into shorter (about 5 seconds) files, each of which I will then later add hard-coded captions to.

  


  ffmpeg -i master.mp4 -ss 00:00:00 -t 00:00:05 -c:v copy -c:a copy x-01.mp4


  


  It seems that if there is SRT file with the same base name as the output file (i.e. 'x-01.srt' in the above example), captions will be added to it. This is not what I was wanting. My workflow is to add it at a later stage. Is this an intended feature of the software or did I accidentally discover some sort of unintended side effect ?

  


  I've tried searching the web, but can't find any mention of the "feature". If I change the ffmpeg command to use an output file name that does not have an associated ".srt" file with the same name, it works as expected.