HEVC: webrtc support hevc on safari. v6.0.34 #3441
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chundonglinlin
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winlinvip
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winlinvip
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chen-guanghua
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## 1. Usage ### Launch Chrome with H.265 enabled: ```bash # Windows: C:\Program Files\Google\Chrome\Application>"C:\Program Files\Google\Chrome\Application\chrome.exe" --enable-features=WebRtcAllowH265Receive --force-fieldtrials=WebRTC-Video-H26xPacketBuffer/Enabled # macOS: open -a "Google Chrome" --args --enable-features=WebRtcAllowH265Receive --force-fieldtrials=WebRTC-Video-H26xPacketBuffer/Enabled ``` > Note: The latest Chrome browser (version 136) fully enables this by default, so there's no need to launch it with any extra parameters. ### Launch SRS with `rtmp2rtc.conf` ```bash ./objs/srs -c conf/rtmp2rtc.conf ``` ### Push H.265 with RTMP ```bash ffmpeg -stream_loop -1 -re -i input.mp4 -c:v libx265 -preset fast -b:v 2000k -maxrate 2000k -bufsize 4000k -bf 0 -c:a aac -b:a 128k -ar 44100 -ac 2 -f flv rtmp://localhost/live/livestream ``` ### Play with WebRTC ```bash http://localhost:1985/rtc/v1/whep/?app=live&stream=livestream ```  ## 2. Parameter Combinations for SDP sendrecv offer ```bash --enable-features=WebRtcAllowH265Send,PlatformHEVCEncoderSupport,WebRtcAllowH265Receive --force-fieldtrials=WebRTC-Video-H26xPacketBuffer/Enabled ``` sendonly offer ```bash --enable-features=WebRtcAllowH265Send,PlatformHEVCEncoderSupport ``` recvonly offer ```bash --enable-features=WebRtcAllowH265Receive --force-fieldtrials=WebRTC-Video-H26xPacketBuffer/Enabled ``` ## 3. How to test if H.265 is working * Browser Test for supporting H265 https://webrtc.github.io/samples/src/content/peerconnection/change-codecs/  * How to test Safari: #3441 * Debug in Safari  --------- Co-authored-by: chundonglinlin <[email protected]> Co-authored-by: winlin <[email protected]> Co-authored-by: john <[email protected]> --------- Co-authored-by: chundonglinlin <[email protected]> Co-authored-by: john <[email protected]>
winlinvip
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```bash C:\Program Files\Google\Chrome\Application>"C:\Program Files\Google\Chrome\Application\chrome.exe" --enable-features=WebRtcAllowH265Receive --force-fieldtrials=WebRTC-Video-H26xPacketBuffer/Enabled open -a "Google Chrome" --args --enable-features=WebRtcAllowH265Receive --force-fieldtrials=WebRTC-Video-H26xPacketBuffer/Enabled ``` > Note: The latest Chrome browser (version 136) fully enables this by default, so there's no need to launch it with any extra parameters. ```bash ./objs/srs -c conf/rtmp2rtc.conf ``` ```bash ffmpeg -stream_loop -1 -re -i input.mp4 -c:v libx265 -preset fast -b:v 2000k -maxrate 2000k -bufsize 4000k -bf 0 -c:a aac -b:a 128k -ar 44100 -ac 2 -f flv rtmp://localhost/live/livestream ``` ```bash http://localhost:1985/rtc/v1/whep/?app=live&stream=livestream ```  sendrecv offer ```bash --enable-features=WebRtcAllowH265Send,PlatformHEVCEncoderSupport,WebRtcAllowH265Receive --force-fieldtrials=WebRTC-Video-H26xPacketBuffer/Enabled ``` sendonly offer ```bash --enable-features=WebRtcAllowH265Send,PlatformHEVCEncoderSupport ``` recvonly offer ```bash --enable-features=WebRtcAllowH265Receive --force-fieldtrials=WebRTC-Video-H26xPacketBuffer/Enabled ``` * Browser Test for supporting H265 https://webrtc.github.io/samples/src/content/peerconnection/change-codecs/  * How to test Safari: #3441 * Debug in Safari  --------- Co-authored-by: chundonglinlin <[email protected]> Co-authored-by: winlin <[email protected]> Co-authored-by: john <[email protected]> --------- Co-authored-by: chundonglinlin <[email protected]> Co-authored-by: john <[email protected]>
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This PR is for HEVC over WebRTC, right now only Safari.
First, please build SRS with HEVC support:
Then, please enable HEVC for WebRTC in Safari,
Develop > Experimental Features > WebRTC H265 codecNext, open webrtc://127.0.0.1/live/livestream?codec=hevc in Safari to push WebRTC stream to SRS:
Now, open webrtc://127.0.0.1/live/livestream?codec=hevc in Safari to pull the WebRTC stream.
If want to view the log for Safari WebRTC: