issue

I found that this wef-winit does not support sites that contain video media, such as youtube.com or bilibil.com

Here are some logs

[18512:24296:0704/105051.005:ERROR:media\filters\ffmpeg_demuxer.cc:1561] FFmpegDemuxer: no supported streams
[18512:18480:0704/105051.005:ERROR:media\filters\ffmpeg_demuxer.cc:1563] {"code":14,"data":{},"group":"PipelineStatus"}
[18512:18480:0704/105051.005:ERROR:third_party\blink\renderer\core\html\media\html_media_element.cc:5038] SetError: {code=4, message=}
[18512:24296:0704/105053.982:ERROR:media\filters\ffmpeg_demuxer.cc:1561] FFmpegDemuxer: no supported streams
[18512:18480:0704/105053.983:ERROR:media\filters\ffmpeg_demuxer.cc:1563] {"code":14,"data":{},"group":"PipelineStatus"}
[18512:18480:0704/105053.983:ERROR:third_party\blink\renderer\core\html\media\html_media_element.cc:5038] SetError: {code=4, message=}
[8748:24860:0704/105105.936:ERROR:net\socket\ssl_client_socket_impl.cc:878] handshake failed; returned -1, SSL error code 1,

[13084:12928:0704/105815.590:ERROR:gpu\command_buffer\service\gles2_cmd_decoder_passthrough.cc:1092] [GroupMarkerNotSet(crbug.com/242999)!:A8C02600246A0000]Automatic fallback to software WebGL has been deprecated. Please use the --enable-unsafe-swiftshader flag to opt in to lower security guarantees for trusted content.
[13084:12928:0704/105815.876:ERROR:gpu\command_buffer\service\gles2_cmd_decoder_passthrough.cc:1092] [GroupMarkerNotSet(crbug.com/242999)!:A8502700246A0000]Automatic fallback to software WebGL has been deprecated. Please use the --enable-unsafe-swiftshader flag to opt in to lower security guarantees for trusted content.
[13084:12928:0704/105815.882:ERROR:gpu\command_buffer\service\gles2_cmd_decoder_passthrough.cc:1092] [GroupMarkerNotSet(crbug.com/242999)!:A8502700246A0000]Automatic fallback to software WebGL has been deprecated. Please use the --enable-unsafe-swiftshader flag to opt in to lower security guarantees for trusted content.
[13084:12928:0704/105815.892:ERROR:gpu\command_buffer\service\gl_utils.cc:443] [.WebGL-0x6d400122900]GL Driver Message (OpenGL, Performance, GL_CLOSE_PATH_NV, High): GPU stall due to ReadPixels
[13084:12928:0704/105815.912:ERROR:gpu\command_buffer\service\gles2_cmd_decoder_passthrough.cc:1092] [GroupMarkerNotSet(crbug.com/242999)!:A8502700246A0000]Automatic fallback to software WebGL has been deprecated. Please use the --enable-unsafe-swiftshader flag to opt in to lower security guarantees for trusted content.
[13084:12928:0704/105815.919:ERROR:gpu\command_buffer\service\gles2_cmd_decoder_passthrough.cc:1092] [GroupMarkerNotSet(crbug.com/242999)!:A8502700246A0000]Automatic fallback to software WebGL has been deprecated. Please use the --enable-unsafe-swiftshader flag to opt in to lower security guarantees for trusted content.