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• How to tag metadata m4v files using FFmpeg

  21 mai 2019, par jazz-e

  So I’m trying to tag metadata to a video file m4v from the filename. However, I can’t seem to find the answer in the man -h page and everything online shows how to pull the metadata from m4v.

  I’ve looked here on StackOverflow and also online for the answer and most are answers on pulling the metadata from the m4v file but nothing on tagging the file (other than stripping out metadata). I found this http://jonhall.info/create_id3_tags_using_ffmpeg/ regarding tagging an mp3 file, which I tried the syntax and it fails.

  Here’s the mp3 syntax I tried subbing out mp3 to m4v

  ffmpeg32 -i in.m4v -metadata title="The Title You Want" out.m4v

  Also tried the following as well

  ffmpeg -i "$filedir$name" -metadata title="The Title You Want" -c:v copy -c:a copy "$filedir$newname"

  This command works for removing the metadata from the file

  ffmpeg -i "$filedir$name" -map_metadata -1 -c:v copy -c:a copy "$filedir$newname"

  The error I usually get a syntax error.

  Any help much appreciated

• Powershell Job Memory Consumption Issue

  14 juillet 2016, par Matt Wall

  I’ve been struggling with this for a week now and have exhausted all the methods and options I have found online. I am hoping someone here will be able to help me out with this.

  I am using powershell to start 8 jobs, each job running FFmpeg to stream a 7 minute file to a remote RTMP server. This is pulling from a file on the disk and each job uses a different file. The command is in a do while loop so that it is constantly restreaming.

  This is causing the shell I launched the jobs from to accumulate a massive amount of memory, consuming all that it can. In 24 hours it consumed 30 of the 32 GB of my server.

  Here is my launch code, any help would be appreciated.

  start-job -Name v6 -scriptblock {
  
  do { $d = $true; $f = Invoke-Expression -Command "ffmpeg -re -i `"C:\Shares\Matthew\180p_3000k.mp4`" -vcodec copy -acodec copy -f flv -y rtmp://<ip>/<appname>/<streamname>"; $f = $null }
  
  while ($d = $true)
  
  </streamname></appname></ip>

  }

  I’ve tried to receive the jobs and pipe it to out-null, I’ve tried setting $f to $null before starting the do while loop, and some other things I found online but to no avail. Thanks everyone for your time !

• file.mov : No such file or directory (Converting .mov to mp4)

  10 août 2014, par Dena

  I am trying to convert .mov files over to mp4 using ffmpeg however, I keep getting the error below within my terminal. Any ideas why ? I am new to rails so any help is appreciated. Thanks.

  Error

  Denas-MacBook-Pro:desktop Dena$ ffmpeg -i file.mov newfile.mp4
  
  **ffmpeg version 2.3.1** Copyright (c) 2000-2014 the FFmpeg developers
  
    built on Aug  7 2014 16:08:43 with Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
  
    configuration: --prefix=/usr/local/Cellar/ffmpeg/2.3.1 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid --enable-libfreetype --enable-libtheora --enable-libvorbis --enable-libvpx --enable-librtmp --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-aacenc --enable-libass --enable-ffplay --enable-libspeex --enable-libschroedinger --enable-libfdk-aac --enable-libopus --enable-frei0r --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-cflags='-I/usr/local/Cellar/openjpeg/1.5.1_1/include/openjpeg-1.5 '
  
    libavutil      52. 92.100 / 52. 92.100
  
    libavcodec     55. 69.100 / 55. 69.100
  
    libavformat    55. 48.100 / 55. 48.100
  
    libavdevice    55. 13.102 / 55. 13.102
  
    libavfilter     4. 11.100 /  4. 11.100
  
    libavresample   1.  3.  0 /  1.  3.  0
  
    libswscale      2.  6.100 /  2.  6.100
  
    libswresample   0. 19.100 /  0. 19.100
  
    libpostproc    52.  3.100 / 52.  3.100
  
  file.mov: No such file or directory

  Path

  Denas-MacBook-Pro:desktop Dena$ which ffmpeg
  
  /usr/local/bin/ffmpeg

  Version

  Denas-MacBook-Pro:desktop Dena$ ffmpeg -version
  
  ffmpeg version 2.3.1 Copyright (c) 2000-2014 the FFmpeg developers
  
  built on Aug  7 2014 16:08:43 with Apple LLVM version 5.1 (clang-503.0.40) (based on LLVM 3.4svn)
  
  configuration: --prefix=/usr/local/Cellar/ffmpeg/2.3.1 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-nonfree --enable-hardcoded-tables --enable-avresample --enable-vda --cc=clang --host-cflags= --host-ldflags= --enable-libx264 --enable-libfaac --enable-libmp3lame --enable-libxvid --enable-libfreetype --enable-libtheora --enable-libvorbis --enable-libvpx --enable-librtmp --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvo-aacenc --enable-libass --enable-ffplay --enable-libspeex --enable-libschroedinger --enable-libfdk-aac --enable-libopus --enable-frei0r --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-cflags='-I/usr/local/Cellar/openjpeg/1.5.1_1/include/openjpeg-1.5 '
  
  libavutil      52. 92.100 / 52. 92.100
  
  libavcodec     55. 69.100 / 55. 69.100
  
  libavformat    55. 48.100 / 55. 48.100
  
  libavdevice    55. 13.102 / 55. 13.102
  
  libavfilter     4. 11.100 /  4. 11.100
  
  libavresample   1.  3.  0 /  1.  3.  0
  
  libswscale      2.  6.100 /  2.  6.100
  
  libswresample   0. 19.100 /  0. 19.100
  
  libpostproc    52.  3.100 / 52.  3.100