most browser can't support stream playback for HEVC format with HLS or DASH.

[wangjingz]

Describe the problem which need help
1to1 transcoding Video on demand function with browser playback.

To Reproduce

1. If input streaming mode is live, run below command on streaming server:
   ffmpeg -re -stream_loop 500 -i /data/www/file/Nature.mp4 -c:v copy -an -f flv rtmp://10.67.117.70/live/Nature.mp4
2. Live playback in client browser: Access URL:http://10.67.116.179/ with browser.
3. if the media stream was transcoded to H264/MPEG2, playback is normally.
4. if the media stream was transcoded HEVC, video can't show with IE, Chroma, safari etc. only find one Samsung cellphone with Samsung browser can playback HEVC with HLS .

help needed
if there any patch or version if the web browser which can support HLS and DASH with HEVC format?