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no video with supported format and MIME type found.
on firefox 93, brave browser runs the video fine. website aliexpress
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Provide steps to replicate the issue. Is there a reason for the old version of Firefox?
https://support.mozilla.org/en-US/kb/update-firefox-latest-version?cache=no Did you update Firefox to the latest version?
Version 95.0, first offered to Release channel users on December 7, 2021 Version 95.0.1, first offered to Release channel users on December 16, 2021 Version 95.0.2, first offered to Release channel users on December 19, 2021
https://support.mozilla.org/en-US/questions/1359657#answer-1463359 and updated to 95.0. . . . I finally found where the plugin "Widevine Content Decryption Module provided by Google Inc." was not updating to the newest version of December 1, 2021. Ver #4.10.2391.0
cor-el; Make sure you have the latest Widevine version. You can toggle DRM off/on to see if that makes Firefox (re)load DRM components.
- Settings -> General: Play DRM
You can possibly check the XHR requests in the Browser Console if this doesn't work.
95.0.2 still got this on aliexpress https://th.aliexpress.com/item/32803933451.html?gatewayAdapt=glo2tha&spm=a2g0o.detail.0.0.14315cc9YOcRHE&gps-id=pcDetailBottomMoreThisSeller&scm=1007.13339.169870.0&scm_id=1007.13339.169870.0&scm-url=1007.13339.169870.0&pvid=bb1fee84-095b-42a5-8b78-fba85e2f5dcb&_t=gps-id:pcDetailBottomMoreThisSeller,scm-url:1007.13339.169870.0,pvid:bb1fee84-095b-42a5-8b78-fba85e2f5dcb,tpp_buckets:668%232846%238116%232002&&pdp_ext_f=%7B%22sceneId%22:%223339%22,%22sku_id%22:%2264323162409%22%7D
It works for me. see screenshot
Can you play this? https://ae-cn.alicdn.com/9f8e1de30350cb41/ej4wKx0Izs3QOjPGr0z/Sh5snz4mZRVQUL7YnIt_339326613436_mp4_264_hd.mp4
Modified by jonzn4SUSE