Flutter FFmpeg - [AVFilterGraph @ 0x88f4b300] No such filter: '"scale'

Question

So, I am trying to combine an image and an audio file and convert it to a video using ffmpeg in flutter using flutter-ffmpeg but I am getting this error when I am trying to use executewithareguments() function.

I am getting this error ->

I suspected that maybe I should remove the double quotes but even that is giving an error. It would be very helpful if someone tells me what I am doing wrong. Also, I was using min-gpl version of ffmpeg, I thought that was causing the problem, so I changed it to full-gpl but the error still remains. Any form of help would be great.

The double quotes are interpreted as part of the filter name: `'"scale'`. What happens when you remove them? — Gyan, Sep 10 '21 at 04:13
@Gyan I was still getting an error that '(' is unrecognised. — Aryan Shandilya, Sep 10 '21 at 06:54
@Csisanyi I have already posted the command that I am trying to execute, see the 1st screenshot, command to execute. — Aryan Shandilya, Sep 10 '21 at 06:55
Might be a very trivial syntax error, but I’m not familiar with this ffmpwg lib. It would be great to see what comman is executed. — Csisanyi, Sep 10 '21 at 10:54
@Csisanyi, that is the command and to execute it I use the command .executeWithCommand(command). I have used the same syntax on my pc to check if it was correct and there it ran just fine. — Aryan Shandilya, Sep 10 '21 at 21:30
Ok, got it. If you remove the double quotes, do you get the same error? — Csisanyi, Sep 12 '21 at 10:52
I'm getting invalid size error when using your 2*trunc(ih/2) value. Are you sure this scale attribute is correct? — Csisanyi, Sep 15 '21 at 00:08

score 0 · Answer 1 · edited Mar 22 '22 at 07:01

0

val cmd = arrayOf("-i",
            inputVideoPath,
            "-i",
            inputVideo2Path,
            "-y",
            "-filter_complex",
            "[1]scale=${1200}:${800}[b];[0][b] overlay=${imageXPosition}:${imageYPosition}",
             "-pix_fmt",
            "yuv420p",
            "-c:a",
            "copy",
            "-preset",
            "ultrafast",
            outputVideoPath)

edited Mar 22 '22 at 07:01

Mike

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answered Mar 22 '22 at 04:17

Utkarsh Jadhav

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Flutter FFmpeg - [AVFilterGraph @ 0x88f4b300] No such filter: '"scale'

1 Answers1