RTCRtpEncodingParameters.maxBitrate

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RTCRtpEncodingParameters dictionary's maxBitrate property specifies the maximum number of bits per second to allow a track encoded with this encoding to use.

句法

rtpEncodingParameters.maxBitrate = maxBitsPerSecond;
rtpEncodingParameters = {
  maxBitrate: maxBitsPerSecond
};
maxBitsPerSecond = rtpEncodingParameters.maxBitrate;

值

An unsigned long integer value specifying the maximum bandwidth this encoding is permitted to use for a track of media it encodes in terms of bits per second. Other parameters may further reduce the bandwidth used by the track; for example, maxFramerate will, if set low enough, constrain the bandwidth as well.

In addition, there's no guarantee that the network interface can support the specified bandwidth, in which case the actual bandwidth will be lower.

This value is computed using the standard Transport Independent Application Specific Maximum (TIAS) bandwidth as defined by RFC 3890, section 6.2.2 ; this is the maximum bandwidth needed without considering protocol overheads from IP, TCP or UDP, and so forth.

规范

规范	状态	注释
WebRTC 1.0: Real-time Communication Between Browsers The definition of 'RTCRtpEncodingParameters.maxBitrate' in that specification.	候选推荐	初始定义。

浏览器兼容性

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`maxBitrate`	Chrome 67	Edge ≤79	Firefox 46	IE No	Opera ?	Safari ?	WebView Android 67	Chrome Android 67	Firefox Android 46	Opera Android ?	Safari iOS ?	Samsung Internet Android 9.0

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完整支持
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RTCRtpEncodingParameters.maxFramerate

元数据

最后修改： Mar 18, 2019

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