X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;ds=sidebyside;f=shared%2Fcore-utils%2Fvideos%2Fbitrate.ts;h=30d22df095da6aa2ae367b2b854ad2c11f1af8f3;hb=c3edc5b074aa4bb1861ed0a94d3713808e87170f;hp=18c6e2f6cef4ef6c45de5b97cf3b0399959317ad;hpb=8dd754c76735417305c4b68e2ada6f623e9d7650;p=github%2FChocobozzz%2FPeerTube.git diff --git a/shared/core-utils/videos/bitrate.ts b/shared/core-utils/videos/bitrate.ts index 18c6e2f6c..30d22df09 100644 --- a/shared/core-utils/videos/bitrate.ts +++ b/shared/core-utils/videos/bitrate.ts @@ -1,9 +1,21 @@ -import { VideoResolution } from "@shared/models" +import { VideoResolution } from '@shared/models' type BitPerPixel = { [ id in VideoResolution ]: number } // https://bitmovin.com/video-bitrate-streaming-hls-dash/ +const minLimitBitPerPixel: BitPerPixel = { + [VideoResolution.H_NOVIDEO]: 0, + [VideoResolution.H_144P]: 0.02, + [VideoResolution.H_240P]: 0.02, + [VideoResolution.H_360P]: 0.02, + [VideoResolution.H_480P]: 0.02, + [VideoResolution.H_720P]: 0.02, + [VideoResolution.H_1080P]: 0.02, + [VideoResolution.H_1440P]: 0.02, + [VideoResolution.H_4K]: 0.02 +} + const averageBitPerPixel: BitPerPixel = { [VideoResolution.H_NOVIDEO]: 0, [VideoResolution.H_144P]: 0.19, @@ -50,11 +62,23 @@ function getMaxBitrate (options: { return targetBitrate } +function getMinLimitBitrate (options: { + resolution: VideoResolution + ratio: number + fps: number +}) { + const minLimitBitrate = calculateBitrate({ ...options, bitPerPixel: minLimitBitPerPixel }) + if (!minLimitBitrate) return 10 * 1000 + + return minLimitBitrate +} + // --------------------------------------------------------------------------- export { getAverageBitrate, - getMaxBitrate + getMaxBitrate, + getMinLimitBitrate } // ---------------------------------------------------------------------------