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• Ffmpeg it's not setting the correct variable names and hence throwing Unable to choose format

  9 novembre 2024, par Miguel Arrieche

  I'm trying to automate the subtitle addition to a folder with some videos so I wrote the following script :

  


  forfiles /p "C:\Users\titos\Resilio_Sync\4K_Video_Downloader\videoprocess" /m *.mp4 /C "cmd /c set filename=@fname & ffmpeg -i @file -vf subtitles="C:\Users\titos\Resilio_Sync\4K_Video_Downloader\videoprocess\@fname.srt" -f mp4 "C:\Users\titos\Resilio_Sync\4K_Video_Downloader\donesubs\@fname_srt.mp4""


  


  However, the script is throwing me the following error for each video :

  


  [AVFormatContext @ 0000020c20220680] Unable to choose an output format for 'Der'; use a standard extension for the filename or specify the format manually.
[out#0 @ 0000020c20220580] Error initializing the muxer for Der: Invalid argument
Error opening output file Der.
Error opening output files: Invalid argument


  


  In this case, "Der" is the second word of the video's title (And it does the same with each video where it throws the error with the second word). So I think it might be due to the videos containing spaces and ffmpeg not parsing it correctly ? But why is the second word that it gets and not the first one in that case ? And more importantly, what could I do to fix this issue ?

  


  I've honestly found some other threads that discuss similar issues, but quite frankly I'm still too newbie to understand any of the answers in order to adapt it to my script lol. I appreciate your help, thanks a lot in advance :)

  


• ffmpeg not converting an mp3 on OSX. Homebrew installed. Encoder (codec mp3) not found for output stream #0:0

  4 mai 2016, par Edward Potter

  Ok, did the standard hoembrew install for ffmpeg.

  All looks cool, i’m guessing that has to include the mpeg codec, yet I keep getting a 0 byte file and the error message :

  Encoder (codec mp3) not found for output stream #0:0

  Help most appreciated.

  ffmpeg -i input.mp3 -b:a 48k -ar 16000 output.mp3
  
  ffmpeg version 3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
  
  built with Apple LLVM version 7.3.0 (clang-703.0.29)
  
  configuration:
  
  libavutil      55. 17.103 / 55. 17.103
  
  libavcodec     57. 24.102 / 57. 24.102
  
  libavformat    57. 25.100 / 57. 25.100
  
  libavdevice    57.  0.101 / 57.  0.101
  
  libavfilter     6. 31.100 /  6. 31.100
  
  libswscale      4.  0.100 /  4.  0.100
  
  libswresample   2.  0.101 /  2.  0.101
  
  [mp3 @ 0x7ff05a010600] Skipping 0 bytes of junk at 626.
  
  Input #0, mp3, from 'input.mp3':
  
  Metadata:
  
  title           : Allegro from Duet in C Major
  
  Duration: 00:00:59.56, start: 0.025057, bitrate: 192 kb/s
  
  Stream #0:0: Audio: mp3, 44100 Hz, stereo, s16p, 192 kb/s
  
  Metadata:
  
    encoder         : LAME3.96r
  
  Output #0, mp3, to 'output.mp3':
  
  Metadata:
  
  title           : Allegro from Duet in C Major
  
  Stream #0:0: Audio: mp3, 0 channels, 128 kb/s
  
  Stream mapping:
  
  Stream #0:0 -> #0:0 (mp3 (native) -> ? (?))
  
  
  
  Encoder (codec mp3) not found for output stream #0:0

• Revision 4d0ec7aacd : Consistently use get_prob(), clip_prob() and newly added clip_pixel(). Add a fu

  10 décembre 2012, par Ronald S. Bultje

  Changed Paths : Modify /vp9/common/vp9_common.h Modify /vp9/common/vp9_entropy.c Modify /vp9/common/vp9_entropymode.c Modify /vp9/common/vp9_entropymv.c Modify /vp9/common/vp9_filter.c Modify /vp9/common/vp9_idctllm.c Modify /vp9/common/vp9_pred_common.c (...)