[FFmpeg-user] Encoding problem : Stuck on certain time=xx:xx.xx

[Jerome Oshineye]

 I am trying to encode a mkv video to mkv applying a watermark with this cmd

ffmpeg.exe" -i "c:\i.mkv" -i "C:\logo.png"  -preset veryslow -crf 25 -filter_complex overlay=W-w-5:H-h-5 "C:\o.mkv"

This cmd worked on 100 files of the same w:h and similar filesize/bitrates.

With a current file i.mkv at point time=20:49.92 I get error messages.(see pic attachment for clearer information)



frame=37264 fps=338 q=31.0 size=  119157kB time=00:20:43.88 bitrate= 784.7kbits/
[h264 @ 03b44760] Reinit context to 1280x720, pix_fmt: yuvj420p
frame=37442 fps=338 q=31.0 size=  119544kB time=00:20:49.92 bitrate= 783.5kbits/
Input stream #0:0 frame changed from size:1280x720 fmt:yuv420p to size:1280x720
fmt:yuvj420p

[swscaler @ 153a76e0] deprecated pixel format used, make sure you did set range correctly
[Parsed_overlay_0 @ 043994a0] [framesync @ 03b4c2c8] Buffer queue overflow, drop ping.

    Last message repeated 114 times
frame=37446 fps=337 q=31.0 size=  119549kB time=00:20:55.05 bitrate= 780.3kbits/
[Parsed_overlay_0 @ 043994a0] [framesync @ 03b4c2c8] Buffer queue overflow, drop ping.

    Last message repeated 143 times
frame=37446 fps=335 q=31.0 size=  119555kB time=00:20:59.52 bitrate= 777.6kbits/
[Parsed_overlay_0 @ 043994a0] [framesync @ 03b4c2c8] Buffer queue overflow, drop ping.

    Last message repeated 143 times
frame=37446 fps=333 q=31.0 size=  119603kB time=00:21:04.29 bitrate= 775.0kbits/
[Parsed_overlay_0 @ 043994a0] [framesync @ 03b4c2c8] Buffer queue overflow, drop ping.

    Last message repeated 142 times
frame=37446 fps=332 q=31.0 size=  119653kB time=00:21:09.09 bitrate= 772.4kbits/
[Parsed_overlay_0 @ 043994a0] [framesync @ 03b4c2c8] Buffer queue overflow, drop ping.

    Last message repeated 142 times
frame=37446 fps=330 q=31.0 size=  119704kB time=00:21:14.04 bitrate= 769.7kbits/
[Parsed_overlay_0 @ 043994a0] [framesync @ 03b4c2c8] Buffer queue overflow, drop ping.

    Last message repeated 144 times
frame=37446 fps=329 q=31.0 size=  119751kB time=00:21:18.67 bitrate= 767.2kbits/
[Parsed_overlay_0 @ 043994a0] [framesync @ 03b4c2c8] Buffer queue overflow, drop ping. 

    Last message repeated 20 times
frame=37446 fps=327 q=31.0 size=  119753kB time=00:21:18.84 bitrate= 767.1kbits/
...

After these error messages pass, the video continues to encode but never passes the time=21:18.84, every next input stream from ffmpeg has this same time and it goes on forever until I exit.

I have attached a picture of the ffmpeg console, please see this.


I would like to be able to fix this so I can encode that file, but also find some way that if this happens again in the future, I can prevent it from encoding forever and skip to the next file.

Thanks in advance.



-- 
Oshineye
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