Answers.Body: <p>Audio and video filters are invoked in separate chains. And without enclosing quotes, whitespace will break the chain.</p>
  
  <pre><code>ffmpeg -i 00021.MTS -c:v libx264 -preset ultrafast -crf 0 -vf "fade=in:0:500, scale=384:218" -af afade=in:0:300 scaled.avi
  </code></pre>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2017-06-19T05:40:42.713Z
Answers.LastActivityDate: 2017-06-19T05:40:42.713Z
Answers.UserDisplayName: Gyan
Body: <p>I am trying to specify multiple filters for ffmpeg and I am getting an error output.</p>
  
  <p>I am trying to do an audio and video fade in and a resolution scale.</p>
  
  <p>my command is as follows...</p>
  
  <pre><code>ffmpeg -i 00021.MTS -c:v libx264 -preset ultrafast -crf 0 -vf fade=in:0:500, afade=in:0:300, scale=384:218, scaled.avi
  </code></pre>
  
  <p>and the error it gives me is as follows.....</p>
  
  <blockquote>
    <p>[NULL @ 0xb72ce0] Unable to find a suitable output format for 'afade=in:0:300,'
    afade=in:0:300,: Invalid argument</p>
  </blockquote>
  
Tags: <ffmpeg><command-line>
Title: ffmpeg multiple filters not working
UserDisplayName: Scorb
ThreadText: # ffmpeg multiple filters not working
  
  (Asked by: username_0 on 2017-06-18)
  
  I am trying to specify multiple filters for ffmpeg and I am getting an error output.
  
  I am trying to do an audio and video fade in and a resolution scale.
  
  my command is as follows...
  
  ```
  ffmpeg -i 00021.MTS -c:v libx264 -preset ultrafast -crf 0 -vf fade=in:0:500, afade=in:0:300, scale=384:218, scaled.avi
  
  ```
  
  and the error it gives me is as follows.....
  
  > [NULL @ 0xb72ce0] Unable to find a suitable output format for 'afade=in:0:300,'
  > afade=in:0:300,: Invalid argument
  
  **Tags:** ffmpeg, command-line
  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_1 on 2017-06-19. Score: 2 | Accepted answer
  
  Audio and video filters are invoked in separate chains. And without enclosing quotes, whitespace will break the chain.
  
  ```
  ffmpeg -i 00021.MTS -c:v libx264 -preset ultrafast -crf 0 -vf "fade=in:0:500, scale=384:218" -af afade=in:0:300 scaled.avi
  
  ```
  
  
  ---
  
  