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Have an error running one PowerShell script to concatenate avi files, when a very similar script works fine
1er juillet 2023, par hw22sWhen I run the following PowerShell script, to concatenate the .avi files in a folder, I get an error.


Script :


# Set the folder path where the AVI files are located
$folderPath = "C:\Users\HomePC\hswlab\Desktop\videos\eyeblink\022223\2023_04_24\16_15_23\My_WebCam"

# Get all AVI files in the folder
$aviFiles = Get-ChildItem -Path $folderPath -Filter "*.avi" | Sort-Object Name

# Check if there are at least 2 AVI files for concatenation
if ($aviFiles.Count -ge 2) {
 $videoFiles = $aviFiles.FullName

 Write-Host "Input Files for Concatenation:"
 foreach ($file in $aviFiles) {
 Write-Host $file.Name
 }

 $outputFile = Join-Path -Path $folderPath -ChildPath "concatenated.avi"

 # Create the FFmpeg command for concatenation
 $concatArguments = "-f", "concat", "-i", "`"concat:$videoFiles`"", "-c", "copy", "`"$outputFile`""

 $command = "ffmpeg $concatArguments"
 Write-Host "FFmpeg Command: $command"

 try {
 $process = Start-Process -FilePath "ffmpeg" -ArgumentList $concatArguments -NoNewWindow -PassThru -Wait -ErrorAction Stop
 Write-Host "Concatenation complete. Output file: $outputFile"
 } catch {
 Write-Host "Error occurred while executing FFmpeg command:"
 Write-Host "Error message: $($_.Exception.Message)"
 }
} else {
 Write-Host "Not enough AVI files found in the folder for concatenation."
}



Output with error, (and no concatenated file is actually produced, needless to say) :


Input Files for Concatenation:
webcam0.avi
webcam1.avi
FFmpeg Command: ffmpeg -f concat -i "concat:C:\Users\HomePC\hswlab\Desktop\videos\eyeblink\022223\2023_04_24\16_15_23\My_WebCam\webcam0.avi C:\Users\HomePC\hswlab\Desktop\videos\eyeblink\022223\2023_04_24\16_15_23\My_WebCam\webcam1.avi" -c copy "C:\Users\HomePC\hswlab\Desktop\videos\eyeblink\022223\2023_04_24\16_15_23\My_WebCam\concatenated.avi"
ffmpeg version 2023-06-27-git-9b6d191a66-essentials_build-www.gyan.dev Copyright (c) 2000-2023 the FFmpeg developers
 built with gcc 12.2.0 (Rev10, Built by MSYS2 project)
 configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads --disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-zlib --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth --enable-sdl2 --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxvid --enable-libaom --enable-libopenjpeg --enable-libvpx --enable-mediafoundation --enable-libass --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid --enable-ffnvcodec --enable-nvdec --enable-nvenc --enable-d3d11va --enable-dxva2 --enable-libvpl --enable-libgme --enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libtheora --enable-libvo-amrwbenc --enable-libgsm --enable-libopencore-amrnb --enable-libopus --enable-libspeex --enable-libvorbis --enable-librubberband
 libavutil 58. 13.101 / 58. 13.101
 libavcodec 60. 21.100 / 60. 21.100
 libavformat 60. 9.100 / 60. 9.100
 libavdevice 60. 2.100 / 60. 2.100
 libavfilter 9. 8.102 / 9. 8.102
 libswscale 7. 3.100 / 7. 3.100
 libswresample 4. 11.100 / 4. 11.100
 libpostproc 57. 2.100 / 57. 2.100
[in#0 @ 000001d2f05f1b00] Error opening input: Invalid argument
Concatenation complete. Output file: C:\Users\HomePC\hswlab\Desktop\videos\eyeblink\022223\2023_04_24\16_15_23\My_WebCam\concatenated.avi



But this script, which ostensibly does the same thing to the same files, works fine :


$file1 = "C:\Users\HomePC\hswlab\Desktop\videos\eyeblink\022223\2023_04_24\16_15_23\My_WebCam\webcam0.avi" # Path to the first video file
$file2 = "C:\Users\HomePC\hswlab\Desktop\videos\eyeblink\022223\2023_04_24\16_15_23\My_WebCam\webcam1.avi" # Path to the second video file
$outputFile = "C:\Users\HomePC\hswlab\Desktop\videos\eyeblink\022223\2023_04_24\16_15_23\My_WebCam\concat.avi" # Path to the output concatenated video file

# Create a temporary batch script
$batchScriptPath = [System.IO.Path]::GetTempFileName() + ".bat"
@'
@echo off
ffmpeg -i "%~1" -i "%~2" -filter_complex "[0:v][1:v]concat=n=2:v=1[outv]" -map "[outv]" "%~3"
'@ | Set-Content -Path $batchScriptPath

# Execute the temporary batch script
try {
 & $batchScriptPath $file1 $file2 $outputFile
 Write-Host "Concatenation complete. Output file: $outputFile"
} catch {
 Write-Host "Error occurred while executing FFmpeg command:"
 Write-Host $_.Exception.Message
}

# Remove the temporary batch script
Remove-Item -Path $batchScriptPath -Force



I can't figure out what is wrong with the first script. I tried many variations of the first script but cannot get it to work.


Any help ?


-
The latest ffmpeg shows "get_buffer() failed". Is this a bug ?
20 juin 2023, par Ryanffmpeg version 2023-06-19-git-1617d1a752-full_build-www.gyan.dev


i7-1255U, Windows 11


The command line is


"ffmpeg.exe" -y -hwaccel qsv -ss 00:00:03.461 -to 00:00:12.009 -i "input.mov" -c:v h264_qsv -global_quality 25 -look_ahead 1 -preset veryslow -c:a aac -ar 48000 -ac 2 -ab 128k output.mp4



The "input.mov" is mjpeg.


The result is :


[mjpeg_qsv @ 0000019930260080] get_buffer() failed
[vist#0:0/mjpeg @ 000001993025ff00] Error submitting packet to decoder: Cannot allocate memory
[mjpeg_qsv @ 0000019930260080] get_buffer() failed
[vist#0:0/mjpeg @ 000001993025ff00] Error submitting packet to decoder: Cannot allocate memory
[mjpeg_qsv @ 0000019930260080] get_buffer() failed
[vist#0:0/mjpeg @ 000001993025ff00] Error submitting packet to decoder: Cannot allocate memory
[mjpeg_qsv @ 0000019930260080] get_buffer() failed
[vist#0:0/mjpeg @ 000001993025ff00] Error submitting packet to decoder: Cannot allocate memory
[mjpeg_qsv @ 0000019930260080] get_buffer() failed
[vist#0:0/mjpeg @ 000001993025ff00] Error submitting packet to decoder: Cannot allocate memory



The messages above repeats many many many times. Finally, it shows :


[vist#0:0/mjpeg @ 000001993025ff00] Error submitting EOF to decoder: Cannot allocate memory



I tried the same command line on a very old version, and it works fine. Is this a bug or there is something new that comes with the new version ?


Thank you for your help.