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• Scripting FFmpeg to move text in y co-ordinate by some delta at specific time-codes

  27 février 2019, par distro.obs

  I’m using the basic drawtext command like this

  ffmpeg -i output.mp4 -vf \
  
  'drawtext=textfile='textfile.txt':x=0:y=0 \
  
  :fontsize=30:fontcolor=white:borderw=3 \
  
  :bordercolor=black:box=0' output.mp4"

  which puts stationary text at location (x, y) = (0,0)

  What I want to do is move this text by 10 points in y plane at certain time codes.

  at 00:00:10, y would be 0
  
  at 00:00:11, y would be 10
  
  at 00:00:43, y would be 20
  
  ...
  
  ...
  
  at 00:10:44, y would be 30

  so the ’y’ co-ordinate has a fix increment of 10 at ’keytimes’

  Is there a way to do that ?

• Hello I want to create a video from text using ffmpeg in my php script but i am not getting it

  28 décembre 2017, par Femzy

  I have been trying to solve this problem for a while now, but i have not got it through please someone should help me..
  My main objective is to collect user’n inputs and convert it to a video with black background, then the input text will be moving from left to right while the video is playing with audio in the background. Currently i was suggested to use "drawtext" but i have not find it working
  This is the code I use just to test the drawtext but the thing is, if i try it 10 times it will create a video file ones in many times i tried and even the video file would have 0 kb in size
  The Below code is my code

  echo shell_exec('ffmpeg -f lavfi -i testsrc=duration=5:size=800x600:rate=30 -vf drawtext="fontfile=/usr/share/fonts/truetype/dejavu/DejaVuSerif-Bold.ttf:textfile=text.txt: x=(w-tw)/2: y=h-(2*lh): fontcolor=white: box=1: boxcolor=0x00000000@1" -preset ultrafast outex.mp4');

• animated gif watermark with logo, text and user id using ffmpeg [duplicate]

  2 décembre 2020, par Pythonsguru

  I have a video, want to add a rotating watermark.gif with draw text on video using ffmpeg command I am using following command, I am using following command for .png it is working fine

  


  ffmpeg -i vid1.mp4 -i watermark.png -filter_complex "[0:v][1:v]overlay=10:10,drawtext=fontfile=arial.ttf:text='Hello':fontcolor=white@1.0:fontsize=30:y=90:x=30:'" -c:a copy -movflags +faststart output.mp4

  


  and using .gif it working fine but

  


  ffmpeg -i "vid1.mp4" -ignore_loop 0 -i "logo.gif" -filter_complex "[1:v]scale=60:50,rotate=PI/6:c=black@0:ow=rotw(PI/6):oh=roth(PI/6) [rotate];[0:v][rotate] overlay=5:5:shortest=1," -codec:a copy -y output.mp4

  


  want to add rotating .gif and text on video in single command