Storm transcoding mov format to avi, does not trigger "loadedmetadata" method

Select a video file and add loadedmetadata listening to the corresponding video tag:

clipboard.png

mov:
clipboard.png
movaviavi
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Why is this? Flv format (which is also transferred by mov and can also be played normally) is not good either. But the same mkv format transferred from mov can also be used. Ask the great god for advice. Thank you

Mar.10,2021
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