Answers.Body: <p>Place the <code>-c copy</code> before <code>-c:v libx264</code>. See <a href="https://superuser.com/a/1219824">https://superuser.com/a/1219824</a></p>
  
Answers.ContentLicense: CC BY-SA 4.0
Answers.CreationDate: 2019-01-24T14:36:09.900Z
Answers.LastActivityDate: 2019-01-24T14:36:09.900Z
Answers.UserDisplayName: Gyan
Body: <p>I'm aiming to reduce the bit rate of a video contained in a transport stream.
  The command (ffmpe.exe) is as follows :</p>
  
  <pre><code>ffmpeg -i "udp://127.0.0.1:40101" -map 0:v -c:v libx264 -b:v 256k -maxrate 256k -bufsize 256k -map 0:d -c copy -f mpegts "udp://127.0.0.1:10101"
  </code></pre>
  
  <p>The result is a tranport stream with the same bit rate.
  What I'm doing wrong?
  Thank you.
  sb</p>
  
Tags: <ffmpeg>
Title: ffmpeg : how to reduce bit rate of transport stream
UserDisplayName: J M
ThreadText: # ffmpeg : how to reduce bit rate of transport stream
  
  (Asked by: username_0 on 2019-01-24)
  
  I'm aiming to reduce the bit rate of a video contained in a transport stream.
  The command (ffmpe.exe) is as follows :
  
  ```
  ffmpeg -i "udp://127.0.0.1:40101" -map 0:v -c:v libx264 -b:v 256k -maxrate 256k -bufsize 256k -map 0:d -c copy -f mpegts "udp://127.0.0.1:10101"
  
  ```
  
  The result is a tranport stream with the same bit rate.
  What I'm doing wrong?
  Thank you.
  sb
  
  **Tags:** ffmpeg
  
  
  ---
  
  ## 1 answers
  
  ### Answer by username_1 on 2019-01-24. Score: 0
  
  Place the `-c copy` before `-c:v libx264`. See <https://superuser.com/a/1219824>
  
  
  ---
  
  