使用ffmpeg Android将动态水印设置到视频中 [英] Setting dynamic watermark in to the video using ffmpeg Android

问题描述

  ffmpeg，我，inputVideoPath -  i，imageToOverlay
 -filter_complex，overlay = 10：10， -  strict，-2， -  b：a，32k，
-r ，15， -  preset，ultrafast，outputVideoPath 
  

我们可以设置动态值进入overlay = x：y还有imageToOverlay，这是图像路径？

解决方案

尝试此命令

  // test with watermark.png 128x128，将其添加到/ sdcard / videokit / 
 String [] complexCommand = {ffmpeg ， -  y， -  i，/sdcard/videokit/in.mp4\",\"-strict\",\"experimental，-vf，movie = / sdcard / videokit / watermark.png [水印] ; [in] [watermark] overlay = main_w-overlay_w-10：10 [out]， -  s，320x240， -  r，30，-b，15496k，-vcodec ，mpeg4， -  ab，48000，-ac，2，-ar，22050，/sdcard/videokit/out.mp4}; 
  

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I am using this command to overlay the image into the video.

ffmpeg",i", inputVideoPath,"-i", imageToOverlay,"
-filter_complex",overlay=10:10","-strict", "-2","-b:a" ,"32k",
"-r","15","-preset", "ultrafast",outputVideoPath

Can we set the dynamic values into the "overlay=x:y" also "imageToOverlay" which is image path?

解决方案

try this command

 //  test with watermark.png 128x128, add it to /sdcard/videokit/
String[] complexCommand = {"ffmpeg","-y" ,"-i", "/sdcard/videokit/in.mp4","-strict","experimental", "-vf", "movie=/sdcard/videokit/watermark.png [watermark]; [in][watermark] overlay=main_w-overlay_w-10:10 [out]","-s", "320x240","-r", "30", "-b", "15496k", "-vcodec", "mpeg4","-ab", "48000", "-ac", "2", "-ar", "22050", "/sdcard/videokit/out.mp4"};

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