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• Revision 7f17b2e476 : gen_msvs_vcxproj.sh : Set TargetName instead of OutputFile. Set TargetName for l

  20 février 2014, par Tom Finegan

  Changed Paths :
   Modify /build/make/gen_msvs_vcxproj.sh

  
  
  gen_msvs_vcxproj.sh : Set TargetName instead of OutputFile.

  Set TargetName for library builds instead of changing the value of
  OutputFile.

  This fixes the following warnings :
  warning MSB8012 : TargetPath does not match Library's OutputFile property
  value.

  Change-Id : I4320b6d9ea922d3a15b9823c7c6694ee33edbf45

• batch ffmpeg conversion (aspect, crop, and concatenate) and naming based on subfolder

  3 avril 2015, par hordor

  TYIA for any help !

  Seems I have a somewhat complicated, multi-step process. If you can help any part of it that would be appreciated.

  What I hope to accomplish

  1. Example of folder/file is here : https://mega.co.nz/#F !RJRWRLTJ !c6b-z3Vl-Tlh0uGbCflx7Q
  2. I have many subfolders that each contain 7 files from a DVD (originally PAL-encoded I think). I only care about the VTS_01_1.VOB AND VTS_01_2.VOB files. The two files together are one match
  3. The videos are stretched (from 4:3 to 16:9) and letterboxed. I want to undo that
  4. The future title of the final MP4 video should be the name of the folder
  5. BONUS : title of the video should also include the folder before it (e.g. "Friday H2 G1 CAN - BEL.mp4")

  I’d like to do this via batch file because there are a lot of folders.

  What I have done :

  dir/b/s *.vob | findstr /v VIDEO | findstr /v 01_ >list.txt
  
  
  
  @echo off
  
  for %%i in list.txt 
  
  do   
  
    ffmpeg -i VTS_01_1.VOB -aspect 4:3 "%%~pi\v1step1.mp4"
  
    ffmpeg -i vob1.mp4 -vf "crop=704:432:10:72" "%%~pi\v1step2.mp4"
  
    ffmpeg -i vob11.mp4 -c copy "%%~pi\v1step3.ts"
  
    ffmpeg -i VTS_01_2.VOB -aspect 4:3 "%%~pi\v2step1.mp4"
  
    ffmpeg -i vob2.mp4 -vf "crop=704:432:10:72" "%%~pi\v2step2.mp4"
  
    ffmpeg -i vob22.mp4 -bsf h264_mp4toannexb -c copy "%%~pi\v2step3.ts"
  
    ffmpeg -i "concat:v1step3.ts|v2step3.ts" -c copy file.mp4 "%%~pi\Match.mp4"
  
  
  
  @echo on
  
  pause

  Problem with current code

  1. Doesn’t start converting (can’t see error message either)
  2. Doesn’t have the file naming that I want
  3. A lot of steps in conversation - can that be simplified ?
  4. Not sure why it wanted the -bsf command for the second conversion but not the first

  Apologies if I’d made basic mistakes. I’m a big newbie and just to get this far has taken me hours of research. Thanks again !

• Is there any way to use ffmpeg to download the video url and sync the video and audio without encoding ?

  20 juin 2023, par Daniel Lee

  I downloaded a video URL with audio, but the duration of the video and the duration of the audio are different and I want to match them.

  


  I want to use the shortest option, but I can only do that by extracting the audio separately and taking two inputs, audio and video.

  


  Is there an easy way ?

  


  

  1. used apad option