У вашего броузера проблема в совместимости с HTML5
SONY A6300
4K recording 25fps
firmware version 1.10
no modification: 22m 33s
thermal pad installed: 36m 56s - 64% better
firmware version 2.0, Auto Pwr OFF Temp: HIGH
thermal pad installed: 55m 24s - 148% better
OpenMemories FAQ:
If you have OpemMemories Tweaks already installed in firmware version 1.10,
it will be NOT deleted after firmware upgrade to 2.0.
You can install OpenMemory Tweaks in firmware version 2.0 by using pmca-gui-v0.11-win.exe (for Windows).
Firmware 2.0 download: https://esupport.sony.com/US/p/model-home.pl?mdl=ILCE6300&template_id=1®ion_id=1&tab=download#/downloadTab
OpenMemory Tweaks: https://sony-pmca.appspot.com/apps
Sony A6300 thermal pad installation (disassemble, assemble) : https://www.youtube.com/watch?v=6PAI0uXjpl4