theluyuan
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56 lines
1.2 KiB
TypeScript
56 lines
1.2 KiB
TypeScript
/**
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* Default last-n value used to be used for "HD" video quality setting when no channelLastN value is specified.
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*
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* @type {number}
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*/
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export const DEFAULT_LAST_N = 20;
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/**
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* The supported video codecs.
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*
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* @type {enum}
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*/
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export enum VIDEO_CODEC {
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AV1 = 'av1',
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H264 = 'h264',
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VP8 = 'vp8',
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VP9 = 'vp9'
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}
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/**
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* The supported remote video resolutions. The values are currently based on
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* available simulcast layers.
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*
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* @type {object}
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*/
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export const VIDEO_QUALITY_LEVELS = {
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ULTRA: 2160,
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HIGH: 720,
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STANDARD: 360,
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LOW: 180,
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NONE: 0
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};
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/**
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* Indicates unlimited video quality.
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*/
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export const VIDEO_QUALITY_UNLIMITED = -1;
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/**
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* The maximum video quality from the VIDEO_QUALITY_LEVELS map.
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*/
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export const MAX_VIDEO_QUALITY = Math.max(...Object.values(VIDEO_QUALITY_LEVELS));
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/**
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* Maps quality level names used in the config.videoQuality.minHeightForQualityLvl to the quality level constants used
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* by the application.
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*
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* @type {Object}
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*/
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export const CFG_LVL_TO_APP_QUALITY_LVL = {
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'low': VIDEO_QUALITY_LEVELS.LOW,
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'standard': VIDEO_QUALITY_LEVELS.STANDARD,
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'high': VIDEO_QUALITY_LEVELS.HIGH,
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'ultra': VIDEO_QUALITY_LEVELS.ULTRA
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};
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