vtt | 易学教程

How to enable CORS for html5 video loading vtt file?

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问题 My Need html5 video element loads both a video and a vtt file saved in a different domain. The problem vtt is not loaded and error Text track from origin has been blocked from loading: Not at same origin as the document, and parent of track element does not have a 'crossorigin' attribute. My investigation I am aware that CORS needs to be used so vtt can be loaded in html5 successfully. I have enabled CORS on server side for requests from any domain. Some articles say adding crossorigin or

What is the VTT for a class?

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Recently ran across a C++ linker error that was new to me. libfoo.so: undefined reference to `VTT for Foo' libfoo.so: undefined reference to `vtable for Foo' I recognized the error and fixed my problem, but I still have a nagging question: what exactly is a VTT? Aside: For those interested, the problem occurs when you forget to define the first virtual function declared in a class. The vtable goes into the compilation unit of the class's first virtual function. If you forget to define that function, you get a linker error that it can't find the vtable rather than the much more developer

What is the VTT for a class?

阅读更多关于 What is the VTT for a class?

问题 Recently ran across a C++ linker error that was new to me. libfoo.so: undefined reference to `VTT for Foo' libfoo.so: undefined reference to `vtable for Foo' I recognized the error and fixed my problem, but I still have a nagging question: what exactly is a VTT? Aside: For those interested, the problem occurs when you forget to define the first virtual function declared in a class. The vtable goes into the compilation unit of the class's first virtual function. If you forget to define that