video - Android ffmpeg Output Error -

i using

https://github.com/writingminds/ffmpeg-android-java

to run ffmpeg commands on android. trying overlay image on video. reason, following error when execute command.

ffmpeg -i input.mp4 strict -2 -i overlay.jpg -filter_complex [0:v][1:v] overlay=25:25:enable='between(t,0,4)' output.mp4  output file #0 not contain stream 

could me out? in advance!

i facing same issue , problem was: calling execute method wrong way. string array passing this:

final string[] cmd = new string[] { "-i input.mp4 strict -2 -i overlay.jpg -filter_complex [0:v][1:v] overlay=25:25:enable='between(t,0,4)' output.mp4" }; 

the correct way create array, though, split command in separate strings:

final string[] cmd = new string[]{ "-i", "input.mp4", "strict", "-2", "-i", "overlay.jpg",                  "-filter_complex", "[0:v][1:v]", "overlay=25:25:enable='between(t,0,4)'", "output.mp4"}; 

and call execute:

try {     final ffmpeg ffmpeg = ffmpeg.getinstance(context);     ffmpeg.execute(cmd, new ffmpegexecuteresponsehandler() {         @override         public void onsuccess(string message) {          }          @override         public void onprogress(string message) {          }          @override         public void onfailure(string message) {          }          @override         public void onstart() {          }          @override         public void onfinish() {          }     }); } catch (ffmpegcommandalreadyrunningexception e) {  } 

i found solution on lauffenp's comment on issue: https://github.com/writingminds/ffmpeg-android-java/issues/88