MediaEncodingConfiguration
The MediaEncodingConfiguration
dictionary of the Media Capabilities API is used to define the type of media being tested when calling MediaCapabilities.encodingInfo()
to query whether a specific media configuration is supported, smooth, and/or power efficient.
Properties
A MediaEncodingConfiguration
dictionary takes two properties:
type
— the type of media being tested; takes one of two values:record
— Represents a configuration for recording of media, e.g. usingMediaRecorder
.transmission
— Represents a configuration meant to be transmitted over electronic means (e.g. usingRTCPeerConnection
).
- A media configuration — a
VideoConfiguration
AudioConfiguration
dictionary.
Examples
//Create media configuration to be tested
const mediaConfig = {
type : 'record', // or 'transmission'
video : {
contentType : "video/webm;codecs=vp8", // valid content type
width : 800, // width of the video
height : 600, // height of the video
bitrate : 10000, // number of bits used to encode 1s of video
framerate : 30 // number of frames making up that 1s.
}
};
// check support and performance
navigator.mediaCapabilities.encodingInfo(mediaConfig).then(result => {
console.log('This configuration is ' + (result.supported ? '' : 'not ') + 'supported.')
});
Specifications
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.
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Browser compatibility
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.
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