ERROR: [png @ 0x102974730] inflate returned error -3

[xueyongwei]

Description
When i add png watermark to mp4 video with cmd:

let cmd = [
            "-i",videoPath,
                   "-i", waterMark,
                   "-filter_complex", "overlay",
                   "-y",output
        ]

get errors:

ERROR: [png @ 0x102974730] inflate returned error -3 
ERROR: Error while decoding stream #1:0: Generic error in an external library

and ffmpeg returncode is sucess,but no watermark on video.

I have tried other png picture, web downloaded or screenshot, none work.
but webp and jpg image work well.
Environment

• Platform: iOS
• Architecture: arm64
• Version: 6.0
• Xcode version: 15.1.0

[github-actions]

This issue is stale because it has been open 60 days with no activity. Remove stale label or comment or this will be closed in 7 days.

[github-actions]

This issue was closed because it has been stalled for 7 days with no activity.

[prasan2421]

I cant seem to find any solutions to this issue. Currently, I am stuck adding a watermark and there doesn't seem to be any working solutions.

[tanersener]

See #11 in Tips wiki.

[xueyongwei]

See #11 in Tips wiki.请参阅 Tips wiki 中的 #11 。

Hi, thanks for your help, I understand now.