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• 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

  


• sppedUp FFmpegKit overlay Flutter

  17 septembre 2023, par mlika

  I'm using FFmpegKit to overlay text on video :
I'm coding it for macos app, I double checked the CPU usage,it's using only 20%
I have MAC M1 PRO

  


    String drawtextFilter = 'drawtext=fontfile=\'$_fontPath\':'
          'textfile=\'${segments[i].textFilePath}\':'
          'x=(w-text_w)/2:y=(h-text_h)/2:'
          'fontsize=65:fontcolor=white@0.8:' // @0.8 sets the opacity
          'bordercolor=black:borderw=9:'
          'shadowcolor=black:shadowx=5:shadowy=5:' // Adding shadow
          'box=1:boxcolor=black@0.1:boxborderw=20:' // Adding background box
          'fix_bounds=1:'
          'line_spacing=10:'
          'enable=\'between(t,0,${segments[i].duration})\'';
  String command =
          '-i "${segments[i].videoPath}" -vf "$drawtextFilter" -c:v h264_videotoolbox -threads 0 -y "$outputPath"';



  


  The problem is it's taking too long to finish the speed is around 0.6
Is there a solution or alternative as, I'm converting 1hour+ videos and it's taking too much time.
Thanks

  


  

  • I tried compute and Isolate to run multiple ffmpeg but it still very slow

  


  


• FFMPEG Image overlay Fade in and out on Video not working properly

  24 août 2015, par HardCore CODER

  hi i have a video around 30 second and i want to set overlay image between 5 - 10 second only and play remaining video as per as.

  But i have an issue the video start with black screen and fade in on 5th second and play well upto 10 second and fade out to black after 10 second and whole video is black screen upto 30 second

  -i input.mp4 -i 34232944.png -filter_complex " [0:v][1:v] overlay=0:0:enable=’between(t,5,10)’,fade=t=in:st=5:d=1,
  fade=t=out:st=10:d=1 ’" -c:v libx264 -crf 23 output.mp4

  video link :-
  https://www.dropbox.com/s/vmbed5vxtakfhg5/TinyTake24-08-2015-02-59-59.mp4?dl=0

  Please help me.
  Thanks