SUMMARY
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[mp4 @ 0000000002b4e780] Timestamps are unset in a packet for stream 1. This is deprecated and will stop working in the future. Fix your code to set the timestamps properly [mp4 @ 0000000002b4e780] Encoder did not produce proper pts, making some up. [mp4 @ 0000000002b4e780] Application provided invalid, non monotonically increasing dts to muxer in stream 1: 16626688 >= 16626688





STEPS TO REPRODUCE
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OBSERVED RESULT


EXPECTED RESULT


SOFTWARE/OS VERSIONS
Windows: 10
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION
had an early version never had a problem but since I downloaded  the latest version it never works always crashes I followed instructions and change the file name  but still not render