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• problem using ffmpeg drawtext for rtl languge

  9 janvier 2019, par Soroush Tayyebi

  i use this command to write on a video :

   ffmpeg -i source.mp4 -vf drawtext=\"text_shaping=1:fontfile=font.ttf:
  
      text='یه نوشته فارسی!': fontcolor=black: fontsize=$font_size: box=1: boxcolor=black@0:boxborderw=0: x=(w-text_w)/2: y=(h-text_h)/2 :enable='between(t,5,10)'\"  -c:a copy -force_key_frames 0:05:00,0:6:00 end.mp4

  it work fine when i don’t have numbers and symbols(!, ?,$ and ...) in first and end of my text.
  my lang is right to left and this commmand not support rtl.
  what i must do to solve this problem ?

• ffmpeg output 0 second with wrong coordinates and hidden text

  18 juillet 2023, par Abdullah Mohamed

  I'm trying to add some Text and Images to the video

  


  Code

  


  -i 'input.MOV' -i 'image.jpg'         -filter_complex "[0]crop=1181.25:2100.0:1089.375:0.0[v];
          color=black[c];
          [v]colorchannelmixer=0.39:0.769:0.189:0:0:0.349:0.686:0.168:0:0:0.272:0.534:0.131:0:0:0:0:0[v];
          [c][v]scale2ref[t][v];
          [t]setsar=1,
          colorkey=black,
          split=2[t1][t2];
                  [t1]drawtext=
          text=Abdullah Muhammad T1
          :fontsize=40.0
          :box=1
          :boxborderw=20.0
          :boxcolor=#2196f3
          :fontcolor=#f44336,
          rotate=10.0*PI/180:
  
          c=black@0[rotate];
      [v][rotate]overlay=x=400.0:y=300.0:shortest=1[v],
          
          
                  [t2]drawtext=
          text=Abdullah Muhammad T2
          :fontsize=40.0
          :box=1
          :boxborderw=20.0
          :boxcolor=#ffeb3b
          :fontcolor=#000000,
          rotate=10.0*PI/180:
  
          c=black@0[rotate];
      [v][rotate]overlay=x=0.0:y=0.0:shortest=1[v],
          
          
                  [1:v]scale=w=360.0:h=360.0,
          rotate=-90.0*PI/180:
  ow=rotw(iw-50):oh=roth(ih-50):
          c=black@0[rotate];
      [v][rotate]overlay=x=0.0:y=0.0:shortest=1[v],
          
          
                  [1:v]scale=w=360.0:h=360.0,
          rotate=30.0*PI/180:
  ow=rotw(iw-50):oh=roth(ih-50):
          c=black@0[rotate];
      [v][rotate]overlay=x=200.0:y=600.0:shortest=1
          
          
          " -c:a copy -preset ultrafast -y 'output.mp4'


  


  My Issues

  


  

  1. First image should be at 0,0 coordinates but it's not.

  


  2. There should be 2 Texts but 1 of them is hidden and the other is not fully shown.

  


  3. the video is 13 seconds and the output is only 0 second.

  


  


  Expected

  


  


  Texts should be shown and images should be in the right position and video output should be 13 seconds.

  


  


  Actual


  


  Another issue

  


  


  If I trimmed the video the output will still be the same duration

  


  


  -i 'input_video.MOV' -ss 0:00:00.000000 -t 0:00:16.216000 -i 'input_image.jpg'         -filter_complex "[0]crop=1181.25:2100.0:1089.375:0.0[v];
          color=black[c];
          [v]colorchannelmixer=0.39:0.769:0.189:0:0:0.349:0.686:0.168:0:0:0.272:0.534:0.131:0:0:0:0:0[v];
          [c][v]scale2ref[t][v];
          [t]setsar=1,
          colorkey=black,
          split=2[t1][t2];
                  [t1]drawtext=
          text=Abdullah Muhammad T1
          :fontsize=40.0
          :box=1
          :boxborderw=20.0
          :boxcolor=#2196f3
          :fontcolor=#f44336,
          rotate=10.0*PI/180:
  
          c=black@0[rotate];
      [v][rotate]overlay=x=400.0:y=300.0:shortest=1[v],
          
          
                  [t2]drawtext=
          text=Abdullah Muhammad T2
          :fontsize=40.0
          :box=1
          :boxborderw=20.0
          :boxcolor=#ffeb3b
          :fontcolor=#000000,
          rotate=10.0*PI/180:
  
          c=black@0[rotate];
      [v][rotate]overlay=x=0.0:y=0.0:shortest=1[v],
          
          
                  [1:v]scale=w=360.0:h=360.0,
          rotate=-90.0*PI/180:
  ow=rotw(iw-50):oh=roth(ih-50):
          c=black@0[rotate];
      [v][rotate]overlay=x=0.0:y=0.0:shortest=1[v],
          
          
                  [1:v]scale=w=360.0:h=360.0,
          rotate=30.0*PI/180:
  ow=rotw(iw-50):oh=roth(ih-50):
          c=black@0[rotate];
      [v][rotate]overlay=x=200.0:y=600.0:shortest=1
          
          
          " -c:a copy -preset ultrafast -y 'output.mp4'


  


• How can I combine these three ffmpeg commands ?

  16 mai 2022, par Anuj Saxena

  I want to combine the following three commands into one command, if possible.

  


  a = f'''ffmpeg -i {footage} -vcodec libx264 -acodec aac {mov_path}'''
b = f'''ffmpeg -i {mov_path} -vf "drawtext=text=' {hostname}\n {socket.gethostbyname(hostname)}\n {getpass.getuser()}':x=10:y=H-th-10:fontfile=KhmerOS.ttf:fontsize=50:fontcolor=black:shadowcolor=black:shadowx=2:shadowy=2" {watermark_path}'''
c = f'''ffmpeg -i {watermark_path} -vf "drawtext=fontfile=KhmerOS.ttf: text='%{{frame_num}}': start_number=1: x=(w-tw)/2: y=h-(2*lh): fontcolor=black: fontsize=50: box=1: boxcolor=white: boxborderw=5" -c:a copy {current_frame} '''


  


  I want a single output video because I don't want to use unnecessary variables like b,c,watermark_path, and current_frame I want only one resultant video with mov_path