webrtc分辨率和比特率--问题集锦

谁践踏了优雅 2022-06-03 09:48 948阅读 0赞

# webrtc分辨率和比特率--问题集锦 #

使用constraints修改分辨率  
[https://webrtc.github.io/samples/src/content/getusermedia/resolution/][https_webrtc.github.io_samples_src_content_getusermedia_resolution]

使用constraints修改分辨率和帧速率FrameRate  
[https://webrtchacks.com/how-to-figure-out-webrtc-camera-resolutions/][https_webrtchacks.com_how-to-figure-out-webrtc-camera-resolutions]

获取当前的分辨率和帧速率FrameRate  
[https://stackoverflow.com/questions/26076259/get-media-detailsresolution-and-frame-rate-from-mediastream-object][https_stackoverflow.com_questions_26076259_get-media-detailsresolution-and-frame-rate-from-mediastream-object]  
[https://github.com/webrtcHacks/WebRTC-Camera-Resolution][https_github.com_webrtcHacks_WebRTC-Camera-Resolution]

分辨率设置某些情况不兼容？  
[http://support.temasys.com.sg/support/solutions/articles/5000692251-how-do-i-set-a-fixed-video-resolution][http_support.temasys.com.sg_support_solutions_articles_5000692251-how-do-i-set-a-fixed-video-resolution]\-

如何开始学习webrtc？  
[https://www.html5rocks.com/en/tutorials/webrtc/basics/][https_www.html5rocks.com_en_tutorials_webrtc_basics]  
[https://hpbn.co/webrtc/][https_hpbn.co_webrtc]  
[https://webrtc.org/architecture/][https_webrtc.org_architecture]

如何控制修改带宽？  
[https://stackoverflow.com/questions/16712224/how-to-control-bandwidth-in-webrtc-video-call][https_stackoverflow.com_questions_16712224_how-to-control-bandwidth-in-webrtc-video-call]

webrtc最低带宽需求？  
[https://stackoverflow.com/questions/29854622/webrtc-bandwidth-requirements][https_stackoverflow.com_questions_29854622_webrtc-bandwidth-requirements]

统计输入比特率？  
[https://stackoverflow.com/questions/27699144/which-element-in-webrtc-api-stat-refer-to-incoming-bit-rate][https_stackoverflow.com_questions_27699144_which-element-in-webrtc-api-stat-refer-to-incoming-bit-rate]

能否修改摄像头视频质量和视频传输比特率？  
答案是否，想看：[https://stackoverflow.com/questions/24227705/change-the-quality-webrtc][https_stackoverflow.com_questions_24227705_change-the-quality-webrtc]

其他常见问题：[https://www.webrtc-experiment.com/webrtcpedia/][https_www.webrtc-experiment.com_webrtcpedia]  
1.如何检测屏幕分享停止了或者摄像头停止了？  
2.如何检测网页已经有权限访问麦克风或者摄像头？  
3.如何管理音视频比特率？  
4.如何设置音频sdp参数？  
5.如何检测本地或者远程流？  
6.如何在单个getUserMedia请求中捕获音频和屏幕？  
7.如何不用重造getUserMedia请求而能修改流？  
8.捕获前后端摄像头  
9.选择第二个摄像头  
10.其他最大带宽比特率数据值列表

如何修改sdp限制带宽？  
[https://webrtchacks.com/limit-webrtc-bandwidth-sdp/][https_webrtchacks.com_limit-webrtc-bandwidth-sdp]

约束以及统计实例  
[https://webrtc.github.io/samples/src/content/peerconnection/constraints/][https_webrtc.github.io_samples_src_content_peerconnection_constraints]

webrtc支持视频适配的比特率流传输吗？  
[https://stackoverflow.com/questions/37128928/does-webrtc-support-adaptive-bitrate-streaming-for-video][https_stackoverflow.com_questions_37128928_does-webrtc-support-adaptive-bitrate-streaming-for-video]

注：有其他问题请评论。

[https_webrtc.github.io_samples_src_content_getusermedia_resolution]: https://webrtc.github.io/samples/src/content/getusermedia/resolution/
[https_webrtchacks.com_how-to-figure-out-webrtc-camera-resolutions]: https://webrtchacks.com/how-to-figure-out-webrtc-camera-resolutions/
[https_stackoverflow.com_questions_26076259_get-media-detailsresolution-and-frame-rate-from-mediastream-object]: https://stackoverflow.com/questions/26076259/get-media-detailsresolution-and-frame-rate-from-mediastream-object
[https_github.com_webrtcHacks_WebRTC-Camera-Resolution]: https://github.com/webrtcHacks/WebRTC-Camera-Resolution
[http_support.temasys.com.sg_support_solutions_articles_5000692251-how-do-i-set-a-fixed-video-resolution]: http://support.temasys.com.sg/support/solutions/articles/5000692251-how-do-i-set-a-fixed-video-resolution
[https_www.html5rocks.com_en_tutorials_webrtc_basics]: https://www.html5rocks.com/en/tutorials/webrtc/basics/
[https_hpbn.co_webrtc]: https://hpbn.co/webrtc/
[https_webrtc.org_architecture]: https://webrtc.org/architecture/
[https_stackoverflow.com_questions_16712224_how-to-control-bandwidth-in-webrtc-video-call]: https://stackoverflow.com/questions/16712224/how-to-control-bandwidth-in-webrtc-video-call
[https_stackoverflow.com_questions_29854622_webrtc-bandwidth-requirements]: https://stackoverflow.com/questions/29854622/webrtc-bandwidth-requirements
[https_stackoverflow.com_questions_27699144_which-element-in-webrtc-api-stat-refer-to-incoming-bit-rate]: https://stackoverflow.com/questions/27699144/which-element-in-webrtc-api-stat-refer-to-incoming-bit-rate
[https_stackoverflow.com_questions_24227705_change-the-quality-webrtc]: https://stackoverflow.com/questions/24227705/change-the-quality-webrtc
[https_www.webrtc-experiment.com_webrtcpedia]: https://www.webrtc-experiment.com/webrtcpedia/
[https_webrtchacks.com_limit-webrtc-bandwidth-sdp]: https://webrtchacks.com/limit-webrtc-bandwidth-sdp/
[https_webrtc.github.io_samples_src_content_peerconnection_constraints]: https://webrtc.github.io/samples/src/content/peerconnection/constraints/
[https_stackoverflow.com_questions_37128928_does-webrtc-support-adaptive-bitrate-streaming-for-video]: https://stackoverflow.com/questions/37128928/does-webrtc-support-adaptive-bitrate-streaming-for-video