mirror of
https://github.com/arcodange-org/mediabunny.git
synced 2026-09-30 20:33:55 +02:00
Add ESLint and lint a bunch
This commit is contained in:
Vanilagy
+222
-164
@@ -1,160 +1,168 @@
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import { COLOR_PRIMARIES_MAP, isAllowSharedBufferSource, last, MATRIX_COEFFICIENTS_MAP, TRANSFER_CHARACTERISTICS_MAP } from "./misc";
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import { AudioCodec, VideoCodec } from "./source";
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import { SubtitleMetadata } from "./subtitles";
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import {
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COLOR_PRIMARIES_MAP,
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MATRIX_COEFFICIENTS_MAP,
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TRANSFER_CHARACTERISTICS_MAP,
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isAllowSharedBufferSource,
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last,
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} from './misc';
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import { AudioCodec, VideoCodec } from './source';
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import { SubtitleMetadata } from './subtitles';
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// https://en.wikipedia.org/wiki/Advanced_Video_Coding
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const AVC_LEVEL_TABLE = [
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{ maxMacroblocks: 99, maxBitrate: 64000, level: 0x0A }, // Level 1
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{ maxMacroblocks: 396, maxBitrate: 192000, level: 0x0B }, // Level 1.1
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{ maxMacroblocks: 396, maxBitrate: 384000, level: 0x0C }, // Level 1.2
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{ maxMacroblocks: 396, maxBitrate: 768000, level: 0x0D }, // Level 1.3
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{ maxMacroblocks: 396, maxBitrate: 2000000, level: 0x14 }, // Level 2
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{ maxMacroblocks: 792, maxBitrate: 4000000, level: 0x15 }, // Level 2.1
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{ maxMacroblocks: 1620, maxBitrate: 4000000, level: 0x16 }, // Level 2.2
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{ maxMacroblocks: 1620, maxBitrate: 10000000, level: 0x1E }, // Level 3
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{ maxMacroblocks: 3600, maxBitrate: 14000000, level: 0x1F }, // Level 3.1
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{ maxMacroblocks: 5120, maxBitrate: 20000000, level: 0x20 }, // Level 3.2
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{ maxMacroblocks: 8192, maxBitrate: 20000000, level: 0x28 }, // Level 4
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{ maxMacroblocks: 8192, maxBitrate: 50000000, level: 0x29 }, // Level 4.1
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{ maxMacroblocks: 8704, maxBitrate: 50000000, level: 0x2A }, // Level 4.2
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{ maxMacroblocks: 22080, maxBitrate: 135000000, level: 0x32 }, // Level 5
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{ maxMacroblocks: 36864, maxBitrate: 240000000, level: 0x33 }, // Level 5.1
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{ maxMacroblocks: 36864, maxBitrate: 240000000, level: 0x34 }, // Level 5.2
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{ maxMacroblocks: 139264, maxBitrate: 240000000, level: 0x3C }, // Level 6
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{ maxMacroblocks: 139264, maxBitrate: 480000000, level: 0x3D }, // Level 6.1
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{ maxMacroblocks: 139264, maxBitrate: 800000000, level: 0x3E }, // Level 6.2
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{ maxMacroblocks: 99, maxBitrate: 64000, level: 0x0A }, // Level 1
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{ maxMacroblocks: 396, maxBitrate: 192000, level: 0x0B }, // Level 1.1
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{ maxMacroblocks: 396, maxBitrate: 384000, level: 0x0C }, // Level 1.2
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{ maxMacroblocks: 396, maxBitrate: 768000, level: 0x0D }, // Level 1.3
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{ maxMacroblocks: 396, maxBitrate: 2000000, level: 0x14 }, // Level 2
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{ maxMacroblocks: 792, maxBitrate: 4000000, level: 0x15 }, // Level 2.1
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{ maxMacroblocks: 1620, maxBitrate: 4000000, level: 0x16 }, // Level 2.2
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{ maxMacroblocks: 1620, maxBitrate: 10000000, level: 0x1E }, // Level 3
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{ maxMacroblocks: 3600, maxBitrate: 14000000, level: 0x1F }, // Level 3.1
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{ maxMacroblocks: 5120, maxBitrate: 20000000, level: 0x20 }, // Level 3.2
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{ maxMacroblocks: 8192, maxBitrate: 20000000, level: 0x28 }, // Level 4
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{ maxMacroblocks: 8192, maxBitrate: 50000000, level: 0x29 }, // Level 4.1
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{ maxMacroblocks: 8704, maxBitrate: 50000000, level: 0x2A }, // Level 4.2
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{ maxMacroblocks: 22080, maxBitrate: 135000000, level: 0x32 }, // Level 5
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{ maxMacroblocks: 36864, maxBitrate: 240000000, level: 0x33 }, // Level 5.1
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{ maxMacroblocks: 36864, maxBitrate: 240000000, level: 0x34 }, // Level 5.2
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{ maxMacroblocks: 139264, maxBitrate: 240000000, level: 0x3C }, // Level 6
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{ maxMacroblocks: 139264, maxBitrate: 480000000, level: 0x3D }, // Level 6.1
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{ maxMacroblocks: 139264, maxBitrate: 800000000, level: 0x3E }, // Level 6.2
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];
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// https://en.wikipedia.org/wiki/High_Efficiency_Video_Coding
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const HEVC_LEVEL_TABLE = [
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{ maxPictureSize: 36864, maxBitrate: 128000, tier: 'L', level: 30 }, // Level 1 (Low Tier)
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{ maxPictureSize: 122880, maxBitrate: 1500000, tier: 'L', level: 60 }, // Level 2 (Low Tier)
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{ maxPictureSize: 245760, maxBitrate: 3000000, tier: 'L', level: 63 }, // Level 2.1 (Low Tier)
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{ maxPictureSize: 552960, maxBitrate: 6000000, tier: 'L', level: 90 }, // Level 3 (Low Tier)
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{ maxPictureSize: 983040, maxBitrate: 10000000, tier: 'L', level: 93 }, // Level 3.1 (Low Tier)
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{ maxPictureSize: 2228224, maxBitrate: 12000000, tier: 'L', level: 120 }, // Level 4 (Low Tier)
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{ maxPictureSize: 2228224, maxBitrate: 30000000, tier: 'H', level: 120 }, // Level 4 (High Tier)
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{ maxPictureSize: 2228224, maxBitrate: 20000000, tier: 'L', level: 123 }, // Level 4.1 (Low Tier)
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{ maxPictureSize: 2228224, maxBitrate: 50000000, tier: 'H', level: 123 }, // Level 4.1 (High Tier)
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{ maxPictureSize: 8912896, maxBitrate: 25000000, tier: 'L', level: 150 }, // Level 5 (Low Tier)
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{ maxPictureSize: 8912896, maxBitrate: 100000000, tier: 'H', level: 150 }, // Level 5 (High Tier)
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{ maxPictureSize: 8912896, maxBitrate: 40000000, tier: 'L', level: 153 }, // Level 5.1 (Low Tier)
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{ maxPictureSize: 8912896, maxBitrate: 160000000, tier: 'H', level: 153 }, // Level 5.1 (High Tier)
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{ maxPictureSize: 8912896, maxBitrate: 60000000, tier: 'L', level: 156 }, // Level 5.2 (Low Tier)
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{ maxPictureSize: 8912896, maxBitrate: 240000000, tier: 'H', level: 156 }, // Level 5.2 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 60000000, tier: 'L', level: 180 }, // Level 6 (Low Tier)
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{ maxPictureSize: 35651584, maxBitrate: 240000000, tier: 'H', level: 180 }, // Level 6 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 120000000, tier: 'L', level: 183 }, // Level 6.1 (Low Tier)
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{ maxPictureSize: 35651584, maxBitrate: 480000000, tier: 'H', level: 183 }, // Level 6.1 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 240000000, tier: 'L', level: 186 }, // Level 6.2 (Low Tier)
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{ maxPictureSize: 35651584, maxBitrate: 800000000, tier: 'H', level: 186 }, // Level 6.2 (High Tier)
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{ maxPictureSize: 36864, maxBitrate: 128000, tier: 'L', level: 30 }, // Level 1 (Low Tier)
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{ maxPictureSize: 122880, maxBitrate: 1500000, tier: 'L', level: 60 }, // Level 2 (Low Tier)
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{ maxPictureSize: 245760, maxBitrate: 3000000, tier: 'L', level: 63 }, // Level 2.1 (Low Tier)
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{ maxPictureSize: 552960, maxBitrate: 6000000, tier: 'L', level: 90 }, // Level 3 (Low Tier)
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{ maxPictureSize: 983040, maxBitrate: 10000000, tier: 'L', level: 93 }, // Level 3.1 (Low Tier)
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{ maxPictureSize: 2228224, maxBitrate: 12000000, tier: 'L', level: 120 }, // Level 4 (Low Tier)
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{ maxPictureSize: 2228224, maxBitrate: 30000000, tier: 'H', level: 120 }, // Level 4 (High Tier)
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{ maxPictureSize: 2228224, maxBitrate: 20000000, tier: 'L', level: 123 }, // Level 4.1 (Low Tier)
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{ maxPictureSize: 2228224, maxBitrate: 50000000, tier: 'H', level: 123 }, // Level 4.1 (High Tier)
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{ maxPictureSize: 8912896, maxBitrate: 25000000, tier: 'L', level: 150 }, // Level 5 (Low Tier)
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{ maxPictureSize: 8912896, maxBitrate: 100000000, tier: 'H', level: 150 }, // Level 5 (High Tier)
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{ maxPictureSize: 8912896, maxBitrate: 40000000, tier: 'L', level: 153 }, // Level 5.1 (Low Tier)
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{ maxPictureSize: 8912896, maxBitrate: 160000000, tier: 'H', level: 153 }, // Level 5.1 (High Tier)
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{ maxPictureSize: 8912896, maxBitrate: 60000000, tier: 'L', level: 156 }, // Level 5.2 (Low Tier)
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{ maxPictureSize: 8912896, maxBitrate: 240000000, tier: 'H', level: 156 }, // Level 5.2 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 60000000, tier: 'L', level: 180 }, // Level 6 (Low Tier)
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{ maxPictureSize: 35651584, maxBitrate: 240000000, tier: 'H', level: 180 }, // Level 6 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 120000000, tier: 'L', level: 183 }, // Level 6.1 (Low Tier)
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{ maxPictureSize: 35651584, maxBitrate: 480000000, tier: 'H', level: 183 }, // Level 6.1 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 240000000, tier: 'L', level: 186 }, // Level 6.2 (Low Tier)
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{ maxPictureSize: 35651584, maxBitrate: 800000000, tier: 'H', level: 186 }, // Level 6.2 (High Tier)
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];
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// https://en.wikipedia.org/wiki/VP9
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const VP9_LEVEL_TABLE = [
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{ maxPictureSize: 36864, maxBitrate: 200000, level: 10 }, // Level 1
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{ maxPictureSize: 73728, maxBitrate: 800000, level: 11 }, // Level 1.1
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{ maxPictureSize: 122880, maxBitrate: 1800000, level: 20 }, // Level 2
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{ maxPictureSize: 245760, maxBitrate: 3600000, level: 21 }, // Level 2.1
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{ maxPictureSize: 552960, maxBitrate: 7200000, level: 30 }, // Level 3
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{ maxPictureSize: 983040, maxBitrate: 12000000, level: 31 }, // Level 3.1
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{ maxPictureSize: 2228224, maxBitrate: 18000000, level: 40 }, // Level 4
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{ maxPictureSize: 2228224, maxBitrate: 30000000, level: 41 }, // Level 4.1
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{ maxPictureSize: 8912896, maxBitrate: 60000000, level: 50 }, // Level 5
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{ maxPictureSize: 8912896, maxBitrate: 120000000, level: 51 }, // Level 5.1
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{ maxPictureSize: 8912896, maxBitrate: 180000000, level: 52 }, // Level 5.2
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{ maxPictureSize: 35651584, maxBitrate: 180000000, level: 60 }, // Level 6
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{ maxPictureSize: 35651584, maxBitrate: 240000000, level: 61 }, // Level 6.1
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{ maxPictureSize: 35651584, maxBitrate: 480000000, level: 62 }, // Level 6.2
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{ maxPictureSize: 36864, maxBitrate: 200000, level: 10 }, // Level 1
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{ maxPictureSize: 73728, maxBitrate: 800000, level: 11 }, // Level 1.1
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{ maxPictureSize: 122880, maxBitrate: 1800000, level: 20 }, // Level 2
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{ maxPictureSize: 245760, maxBitrate: 3600000, level: 21 }, // Level 2.1
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{ maxPictureSize: 552960, maxBitrate: 7200000, level: 30 }, // Level 3
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{ maxPictureSize: 983040, maxBitrate: 12000000, level: 31 }, // Level 3.1
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{ maxPictureSize: 2228224, maxBitrate: 18000000, level: 40 }, // Level 4
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{ maxPictureSize: 2228224, maxBitrate: 30000000, level: 41 }, // Level 4.1
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{ maxPictureSize: 8912896, maxBitrate: 60000000, level: 50 }, // Level 5
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{ maxPictureSize: 8912896, maxBitrate: 120000000, level: 51 }, // Level 5.1
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{ maxPictureSize: 8912896, maxBitrate: 180000000, level: 52 }, // Level 5.2
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{ maxPictureSize: 35651584, maxBitrate: 180000000, level: 60 }, // Level 6
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{ maxPictureSize: 35651584, maxBitrate: 240000000, level: 61 }, // Level 6.1
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{ maxPictureSize: 35651584, maxBitrate: 480000000, level: 62 }, // Level 6.2
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];
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// https://en.wikipedia.org/wiki/AV1
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const AV1_LEVEL_TABLE = [
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{ maxPictureSize: 147456, maxBitrate: 1500000, tier: 'M', level: 0 }, // Level 2.0 (Main Tier)
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{ maxPictureSize: 278784, maxBitrate: 3000000, tier: 'M', level: 1 }, // Level 2.1 (Main Tier)
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{ maxPictureSize: 665856, maxBitrate: 6000000, tier: 'M', level: 4 }, // Level 3.0 (Main Tier)
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{ maxPictureSize: 1065024, maxBitrate: 10000000, tier: 'M', level: 5 }, // Level 3.1 (Main Tier)
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{ maxPictureSize: 2359296, maxBitrate: 12000000, tier: 'M', level: 8 }, // Level 4.0 (Main Tier)
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{ maxPictureSize: 2359296, maxBitrate: 30000000, tier: 'H', level: 8 }, // Level 4.0 (High Tier)
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{ maxPictureSize: 2359296, maxBitrate: 20000000, tier: 'M', level: 9 }, // Level 4.1 (Main Tier)
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{ maxPictureSize: 2359296, maxBitrate: 50000000, tier: 'H', level: 9 }, // Level 4.1 (High Tier)
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{ maxPictureSize: 8912896, maxBitrate: 30000000, tier: 'M', level: 12 }, // Level 5.0 (Main Tier)
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{ maxPictureSize: 8912896, maxBitrate: 100000000, tier: 'H', level: 12 }, // Level 5.0 (High Tier)
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{ maxPictureSize: 8912896, maxBitrate: 40000000, tier: 'M', level: 13 }, // Level 5.1 (Main Tier)
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{ maxPictureSize: 8912896, maxBitrate: 160000000, tier: 'H', level: 13 }, // Level 5.1 (High Tier)
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{ maxPictureSize: 8912896, maxBitrate: 60000000, tier: 'M', level: 14 }, // Level 5.2 (Main Tier)
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{ maxPictureSize: 8912896, maxBitrate: 240000000, tier: 'H', level: 14 }, // Level 5.2 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 60000000, tier: 'M', level: 15 }, // Level 5.3 (Main Tier)
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{ maxPictureSize: 35651584, maxBitrate: 240000000, tier: 'H', level: 15 }, // Level 5.3 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 60000000, tier: 'M', level: 16 }, // Level 6.0 (Main Tier)
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{ maxPictureSize: 35651584, maxBitrate: 240000000, tier: 'H', level: 16 }, // Level 6.0 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 100000000, tier: 'M', level: 17 }, // Level 6.1 (Main Tier)
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{ maxPictureSize: 35651584, maxBitrate: 480000000, tier: 'H', level: 17 }, // Level 6.1 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 160000000, tier: 'M', level: 18 }, // Level 6.2 (Main Tier)
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{ maxPictureSize: 35651584, maxBitrate: 800000000, tier: 'H', level: 18 }, // Level 6.2 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 160000000, tier: 'M', level: 19 }, // Level 6.3 (Main Tier)
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{ maxPictureSize: 35651584, maxBitrate: 800000000, tier: 'H', level: 19 }, // Level 6.3 (High Tier)
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{ maxPictureSize: 147456, maxBitrate: 1500000, tier: 'M', level: 0 }, // Level 2.0 (Main Tier)
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{ maxPictureSize: 278784, maxBitrate: 3000000, tier: 'M', level: 1 }, // Level 2.1 (Main Tier)
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{ maxPictureSize: 665856, maxBitrate: 6000000, tier: 'M', level: 4 }, // Level 3.0 (Main Tier)
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{ maxPictureSize: 1065024, maxBitrate: 10000000, tier: 'M', level: 5 }, // Level 3.1 (Main Tier)
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{ maxPictureSize: 2359296, maxBitrate: 12000000, tier: 'M', level: 8 }, // Level 4.0 (Main Tier)
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{ maxPictureSize: 2359296, maxBitrate: 30000000, tier: 'H', level: 8 }, // Level 4.0 (High Tier)
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{ maxPictureSize: 2359296, maxBitrate: 20000000, tier: 'M', level: 9 }, // Level 4.1 (Main Tier)
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{ maxPictureSize: 2359296, maxBitrate: 50000000, tier: 'H', level: 9 }, // Level 4.1 (High Tier)
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{ maxPictureSize: 8912896, maxBitrate: 30000000, tier: 'M', level: 12 }, // Level 5.0 (Main Tier)
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{ maxPictureSize: 8912896, maxBitrate: 100000000, tier: 'H', level: 12 }, // Level 5.0 (High Tier)
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{ maxPictureSize: 8912896, maxBitrate: 40000000, tier: 'M', level: 13 }, // Level 5.1 (Main Tier)
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{ maxPictureSize: 8912896, maxBitrate: 160000000, tier: 'H', level: 13 }, // Level 5.1 (High Tier)
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{ maxPictureSize: 8912896, maxBitrate: 60000000, tier: 'M', level: 14 }, // Level 5.2 (Main Tier)
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{ maxPictureSize: 8912896, maxBitrate: 240000000, tier: 'H', level: 14 }, // Level 5.2 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 60000000, tier: 'M', level: 15 }, // Level 5.3 (Main Tier)
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{ maxPictureSize: 35651584, maxBitrate: 240000000, tier: 'H', level: 15 }, // Level 5.3 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 60000000, tier: 'M', level: 16 }, // Level 6.0 (Main Tier)
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{ maxPictureSize: 35651584, maxBitrate: 240000000, tier: 'H', level: 16 }, // Level 6.0 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 100000000, tier: 'M', level: 17 }, // Level 6.1 (Main Tier)
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{ maxPictureSize: 35651584, maxBitrate: 480000000, tier: 'H', level: 17 }, // Level 6.1 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 160000000, tier: 'M', level: 18 }, // Level 6.2 (Main Tier)
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{ maxPictureSize: 35651584, maxBitrate: 800000000, tier: 'H', level: 18 }, // Level 6.2 (High Tier)
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{ maxPictureSize: 35651584, maxBitrate: 160000000, tier: 'M', level: 19 }, // Level 6.3 (Main Tier)
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{ maxPictureSize: 35651584, maxBitrate: 800000000, tier: 'H', level: 19 }, // Level 6.3 (High Tier)
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];
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export const buildVideoCodecString = (codec: VideoCodec, width: number, height: number, bitrate: number) => {
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if (codec === 'avc') {
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const profileIndication = 0x64; // High Profile
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const totalMacroblocks = Math.ceil(width / 16) * Math.ceil(height / 16);
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if (codec === 'avc') {
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const profileIndication = 0x64; // High Profile
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const totalMacroblocks = Math.ceil(width / 16) * Math.ceil(height / 16);
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// Determine the level based on the table
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const levelInfo = AVC_LEVEL_TABLE.find(
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(level) => totalMacroblocks <= level.maxMacroblocks && bitrate <= level.maxBitrate
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) ?? last(AVC_LEVEL_TABLE)!;
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const levelIndication = levelInfo ? levelInfo.level : 0;
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// Determine the level based on the table
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const levelInfo = AVC_LEVEL_TABLE.find(
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level => totalMacroblocks <= level.maxMacroblocks && bitrate <= level.maxBitrate,
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) ?? last(AVC_LEVEL_TABLE)!;
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const levelIndication = levelInfo ? levelInfo.level : 0;
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const hexProfileIndication = profileIndication.toString(16).padStart(2, '0');
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const hexProfileCompatibility = '00';
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const hexLevelIndication = levelIndication.toString(16).padStart(2, '0');
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const hexProfileIndication = profileIndication.toString(16).padStart(2, '0');
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const hexProfileCompatibility = '00';
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const hexLevelIndication = levelIndication.toString(16).padStart(2, '0');
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return `avc1.${hexProfileIndication}${hexProfileCompatibility}${hexLevelIndication}`;
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} else if (codec === 'hevc') {
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const profilePrefix = ''; // Profile space 0
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const profileIdc = 1; // Main Profile
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return `avc1.${hexProfileIndication}${hexProfileCompatibility}${hexLevelIndication}`;
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} else if (codec === 'hevc') {
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let profileSpace = 0;
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let profileIdc = 1; // Main Profile
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const compatibilityFlags = '6'; // Taken from the example in ISO 14496-15
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const pictureSize = width * height;
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const levelInfo = HEVC_LEVEL_TABLE.find(
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(level) => pictureSize <= level.maxPictureSize && bitrate <= level.maxBitrate
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level => pictureSize <= level.maxPictureSize && bitrate <= level.maxBitrate,
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) ?? last(HEVC_LEVEL_TABLE)!;
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const constraintFlags = 'B0'; // Progressive source flag
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const profilePrefix = profileSpace === 0 ? '' :
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String.fromCharCode(65 + profileSpace - 1);
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return `hev1.${profilePrefix}${profileIdc}.${compatibilityFlags}.${levelInfo.tier}${levelInfo.level}.${constraintFlags}`;
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return 'hev1.'
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+ `${profilePrefix}${profileIdc}.`
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+ `${compatibilityFlags}.`
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+ `${levelInfo.tier}${levelInfo.level}.`
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+ `${constraintFlags}`;
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} else if (codec === 'vp8') {
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return 'vp8'; // Easy, this one
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} else if (codec === 'vp9') {
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const profile = "00"; // Profile 0
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const profile = '00'; // Profile 0
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const pictureSize = width * height;
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const levelInfo = VP9_LEVEL_TABLE.find(
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(level) => pictureSize <= level.maxPictureSize && bitrate <= level.maxBitrate
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level => pictureSize <= level.maxPictureSize && bitrate <= level.maxBitrate,
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) ?? last(VP9_LEVEL_TABLE)!;
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const bitDepth = "08"; // 8-bit
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||||
|
||||
const bitDepth = '08'; // 8-bit
|
||||
|
||||
return `vp09.${profile}.${levelInfo.level}.${bitDepth}`;
|
||||
} else if (codec === 'av1') {
|
||||
const profile = 0; // Main Profile
|
||||
|
||||
|
||||
const pictureSize = width * height;
|
||||
const levelInfo = AV1_LEVEL_TABLE.find(
|
||||
(level) => pictureSize <= level.maxPictureSize && bitrate <= level.maxBitrate
|
||||
level => pictureSize <= level.maxPictureSize && bitrate <= level.maxBitrate,
|
||||
) ?? last(AV1_LEVEL_TABLE)!;
|
||||
|
||||
const bitDepth = "08"; // 8-bit
|
||||
|
||||
|
||||
const bitDepth = '08'; // 8-bit
|
||||
|
||||
return `av01.${profile}.${levelInfo.level.toString().padStart(2, '0')}${levelInfo.tier}.${bitDepth}`;
|
||||
}
|
||||
|
||||
// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
|
||||
throw new TypeError(`Unhandled codec '${codec}'.`);
|
||||
};
|
||||
|
||||
@@ -178,6 +186,7 @@ export const buildAudioCodecString = (codec: AudioCodec, numberOfChannels: numbe
|
||||
return 'vorbis'; // Also easy, this one
|
||||
}
|
||||
|
||||
// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
|
||||
throw new TypeError(`Unhandled codec '${codec}'.`);
|
||||
};
|
||||
|
||||
@@ -185,14 +194,14 @@ export const getVideoEncoderConfigExtension = (codec: VideoCodec) => {
|
||||
if (codec === 'avc') {
|
||||
return {
|
||||
avc: {
|
||||
format: 'avc' as const // Ensure the format is not Annex B
|
||||
}
|
||||
format: 'avc' as const, // Ensure the format is not Annex B
|
||||
},
|
||||
};
|
||||
} else if (codec === 'hevc') {
|
||||
return {
|
||||
hevc: {
|
||||
format: 'hevc' as const // Ensure the format is not Annex B
|
||||
}
|
||||
format: 'hevc' as const, // Ensure the format is not Annex B
|
||||
},
|
||||
};
|
||||
}
|
||||
|
||||
@@ -203,14 +212,14 @@ export const getAudioEncoderConfigExtension = (codec: AudioCodec) => {
|
||||
if (codec === 'aac') {
|
||||
return {
|
||||
aac: {
|
||||
format: 'aac' as const // Ensure the format is not ADTS
|
||||
}
|
||||
format: 'aac' as const, // Ensure the format is not ADTS
|
||||
},
|
||||
};
|
||||
} else if (codec === 'opus') {
|
||||
return {
|
||||
opus: {
|
||||
format: 'opus' as const
|
||||
}
|
||||
format: 'opus' as const,
|
||||
},
|
||||
};
|
||||
}
|
||||
|
||||
@@ -219,120 +228,169 @@ export const getAudioEncoderConfigExtension = (codec: AudioCodec) => {
|
||||
|
||||
export const validateVideoChunkMetadata = (metadata: EncodedVideoChunkMetadata | undefined) => {
|
||||
if (!metadata) {
|
||||
throw new TypeError("Video chunk metadata must be provided.");
|
||||
throw new TypeError('Video chunk metadata must be provided.');
|
||||
}
|
||||
if (typeof metadata !== 'object') {
|
||||
throw new TypeError("Video chunk metadata must be an object.");
|
||||
throw new TypeError('Video chunk metadata must be an object.');
|
||||
}
|
||||
if (!metadata.decoderConfig) {
|
||||
throw new TypeError("Video chunk metadata must include a decoder configuration.");
|
||||
throw new TypeError('Video chunk metadata must include a decoder configuration.');
|
||||
}
|
||||
if (typeof metadata.decoderConfig !== 'object') {
|
||||
throw new TypeError("Video chunk metadata decoder configuration must be an object.");
|
||||
throw new TypeError('Video chunk metadata decoder configuration must be an object.');
|
||||
}
|
||||
if (typeof metadata.decoderConfig.codec !== 'string') {
|
||||
throw new TypeError("Video chunk metadata decoder configuration must specify a codec string.");
|
||||
throw new TypeError('Video chunk metadata decoder configuration must specify a codec string.');
|
||||
}
|
||||
if (!Number.isInteger(metadata.decoderConfig.codedWidth) || metadata.decoderConfig.codedWidth! <= 0) {
|
||||
throw new TypeError("Video chunk metadata decoder configuration must specify a valid codedWidth (positive integer).");
|
||||
throw new TypeError(
|
||||
'Video chunk metadata decoder configuration must specify a valid codedWidth (positive integer).',
|
||||
);
|
||||
}
|
||||
if (!Number.isInteger(metadata.decoderConfig.codedHeight) || metadata.decoderConfig.codedHeight! <= 0) {
|
||||
throw new TypeError("Video chunk metadata decoder configuration must specify a valid codedHeight (positive integer).");
|
||||
throw new TypeError(
|
||||
'Video chunk metadata decoder configuration must specify a valid codedHeight (positive integer).',
|
||||
);
|
||||
}
|
||||
if (metadata.decoderConfig.description !== undefined) {
|
||||
if (!isAllowSharedBufferSource(metadata.decoderConfig.description)) {
|
||||
throw new TypeError("Video chunk metadata decoder configuration description, when defined, must be an ArrayBuffer or an ArrayBuffer view.");
|
||||
throw new TypeError(
|
||||
'Video chunk metadata decoder configuration description, when defined, must be an ArrayBuffer or an'
|
||||
+ ' ArrayBuffer view.',
|
||||
);
|
||||
}
|
||||
}
|
||||
if (metadata.decoderConfig.colorSpace !== undefined) {
|
||||
let { colorSpace } = metadata.decoderConfig;
|
||||
const { colorSpace } = metadata.decoderConfig;
|
||||
|
||||
if (typeof colorSpace !== 'object') {
|
||||
throw new TypeError("Video chunk metadata decoder configuration colorSpace, when provided, must be an object.");
|
||||
throw new TypeError(
|
||||
'Video chunk metadata decoder configuration colorSpace, when provided, must be an object.',
|
||||
);
|
||||
}
|
||||
|
||||
let primariesValues = Object.keys(COLOR_PRIMARIES_MAP);
|
||||
const primariesValues = Object.keys(COLOR_PRIMARIES_MAP);
|
||||
if (colorSpace.primaries != null && !primariesValues.includes(colorSpace.primaries)) {
|
||||
throw new TypeError(`Video chunk metadata decoder configuration colorSpace primaries, when defined, must be one of ${primariesValues.join(', ')}.`);
|
||||
throw new TypeError(
|
||||
`Video chunk metadata decoder configuration colorSpace primaries, when defined, must be one of`
|
||||
+ ` ${primariesValues.join(', ')}.`,
|
||||
);
|
||||
}
|
||||
|
||||
let transferValues = Object.keys(TRANSFER_CHARACTERISTICS_MAP);
|
||||
const transferValues = Object.keys(TRANSFER_CHARACTERISTICS_MAP);
|
||||
if (colorSpace.transfer != null && !transferValues.includes(colorSpace.transfer)) {
|
||||
throw new TypeError(`Video chunk metadata decoder configuration colorSpace transfer, when defined, must be one of ${transferValues.join(', ')}.`);
|
||||
throw new TypeError(
|
||||
`Video chunk metadata decoder configuration colorSpace transfer, when defined, must be one of`
|
||||
+ ` ${transferValues.join(', ')}.`,
|
||||
);
|
||||
}
|
||||
|
||||
let matrixValues = Object.keys(MATRIX_COEFFICIENTS_MAP);
|
||||
const matrixValues = Object.keys(MATRIX_COEFFICIENTS_MAP);
|
||||
if (colorSpace.matrix != null && !matrixValues.includes(colorSpace.matrix)) {
|
||||
throw new TypeError(`Video chunk metadata decoder configuration colorSpace matrix, when defined, must be one of ${matrixValues.join(', ')}.`);
|
||||
throw new TypeError(
|
||||
`Video chunk metadata decoder configuration colorSpace matrix, when defined, must be one of`
|
||||
+ ` ${matrixValues.join(', ')}.`,
|
||||
);
|
||||
}
|
||||
|
||||
if (colorSpace.fullRange != null && typeof colorSpace.fullRange !== 'boolean') {
|
||||
throw new TypeError("Video chunk metadata decoder configuration colorSpace fullRange, when defined, must be a boolean.");
|
||||
throw new TypeError(
|
||||
'Video chunk metadata decoder configuration colorSpace fullRange, when defined, must be a boolean.',
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
if ((metadata.decoderConfig.codec.startsWith('avc1') || metadata.decoderConfig.codec.startsWith('avc3')) && !metadata.decoderConfig.description) {
|
||||
throw new TypeError("Video chunk metadata decoder configuration for AVC must include a description, which is expected to be an AVCDecoderConfigurationRecord as specified in ISO 14496-15.");
|
||||
if (
|
||||
(metadata.decoderConfig.codec.startsWith('avc1') || metadata.decoderConfig.codec.startsWith('avc3'))
|
||||
&& !metadata.decoderConfig.description
|
||||
) {
|
||||
throw new TypeError(
|
||||
'Video chunk metadata decoder configuration for AVC must include a description, which is expected to be an'
|
||||
+ ' AVCDecoderConfigurationRecord as specified in ISO 14496-15.',
|
||||
);
|
||||
}
|
||||
if ((metadata.decoderConfig.codec.startsWith('hev1') || metadata.decoderConfig.codec.startsWith('hvc1')) && !metadata.decoderConfig.description) {
|
||||
throw new TypeError("Video chunk metadata decoder configuration for HEVC must include a description, which is expected to be an HEVCDecoderConfigurationRecord as specified in ISO 14496-15.");
|
||||
if (
|
||||
(metadata.decoderConfig.codec.startsWith('hev1') || metadata.decoderConfig.codec.startsWith('hvc1'))
|
||||
&& !metadata.decoderConfig.description
|
||||
) {
|
||||
throw new TypeError(
|
||||
'Video chunk metadata decoder configuration for HEVC must include a description, which is expected to be an'
|
||||
+ ' HEVCDecoderConfigurationRecord as specified in ISO 14496-15.',
|
||||
);
|
||||
}
|
||||
if ((metadata.decoderConfig.codec === 'vp8' || metadata.decoderConfig.codec.startsWith('vp09')) && metadata.decoderConfig.colorSpace === undefined) {
|
||||
throw new TypeError("Video chunk metadata decoder configuration for VP8/VP9 must include a colorSpace.");
|
||||
if (
|
||||
(metadata.decoderConfig.codec === 'vp8' || metadata.decoderConfig.codec.startsWith('vp09'))
|
||||
&& metadata.decoderConfig.colorSpace === undefined
|
||||
) {
|
||||
throw new TypeError('Video chunk metadata decoder configuration for VP8/VP9 must include a colorSpace.');
|
||||
}
|
||||
// No added requirements for AV1 (based)
|
||||
};
|
||||
|
||||
export const validateAudioChunkMetadata = (metadata: EncodedAudioChunkMetadata | undefined) => {
|
||||
if (!metadata) {
|
||||
throw new TypeError("Audio chunk metadata must be provided.");
|
||||
throw new TypeError('Audio chunk metadata must be provided.');
|
||||
}
|
||||
if (typeof metadata !== 'object') {
|
||||
throw new TypeError("Audio chunk metadata must be an object.");
|
||||
throw new TypeError('Audio chunk metadata must be an object.');
|
||||
}
|
||||
if (!metadata.decoderConfig) {
|
||||
throw new TypeError("Audio chunk metadata must include a decoder configuration.");
|
||||
throw new TypeError('Audio chunk metadata must include a decoder configuration.');
|
||||
}
|
||||
if (typeof metadata.decoderConfig !== 'object') {
|
||||
throw new TypeError("Audio chunk metadata decoder configuration must be an object.");
|
||||
throw new TypeError('Audio chunk metadata decoder configuration must be an object.');
|
||||
}
|
||||
if (typeof metadata.decoderConfig.codec !== 'string') {
|
||||
throw new TypeError("Audio chunk metadata decoder configuration must specify a codec string.");
|
||||
throw new TypeError('Audio chunk metadata decoder configuration must specify a codec string.');
|
||||
}
|
||||
if (!Number.isInteger(metadata.decoderConfig.sampleRate) || metadata.decoderConfig.sampleRate! <= 0) {
|
||||
throw new TypeError("Audio chunk metadata decoder configuration must specify a valid sampleRate (positive integer).");
|
||||
if (!Number.isInteger(metadata.decoderConfig.sampleRate) || metadata.decoderConfig.sampleRate <= 0) {
|
||||
throw new TypeError(
|
||||
'Audio chunk metadata decoder configuration must specify a valid sampleRate (positive integer).',
|
||||
);
|
||||
}
|
||||
if (!Number.isInteger(metadata.decoderConfig.numberOfChannels) || metadata.decoderConfig.numberOfChannels! <= 0) {
|
||||
throw new TypeError("Audio chunk metadata decoder configuration must specify a valid numberOfChannels (positive integer).");
|
||||
if (!Number.isInteger(metadata.decoderConfig.numberOfChannels) || metadata.decoderConfig.numberOfChannels <= 0) {
|
||||
throw new TypeError(
|
||||
'Audio chunk metadata decoder configuration must specify a valid numberOfChannels (positive integer).',
|
||||
);
|
||||
}
|
||||
if (metadata.decoderConfig.description !== undefined) {
|
||||
if (!isAllowSharedBufferSource(metadata.decoderConfig.description)) {
|
||||
throw new TypeError("Audio chunk metadata decoder configuration description, when defined, must be an ArrayBuffer or an ArrayBuffer view.");
|
||||
throw new TypeError(
|
||||
'Audio chunk metadata decoder configuration description, when defined, must be an ArrayBuffer or an'
|
||||
+ ' ArrayBuffer view.',
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
if (metadata.decoderConfig.codec.startsWith('mp4a') && !metadata.decoderConfig.description) {
|
||||
throw new TypeError("Audio chunk metadata decoder configuration for AAC must include a description, which is expected to be an AudioSpecificConfig as specified in ISO 14496-3.");
|
||||
throw new TypeError(
|
||||
'Audio chunk metadata decoder configuration for AAC must include a description, which is expected to be an'
|
||||
+ ' AudioSpecificConfig as specified in ISO 14496-3.',
|
||||
);
|
||||
}
|
||||
if (metadata.decoderConfig.codec === 'opus' && metadata.decoderConfig.description && metadata.decoderConfig.description.byteLength < 18) {
|
||||
if (
|
||||
metadata.decoderConfig.codec === 'opus'
|
||||
&& metadata.decoderConfig.description
|
||||
&& metadata.decoderConfig.description.byteLength < 18
|
||||
) {
|
||||
throw new TypeError('Invalid decoder description provided for Opus; must be at least 18 bytes long.');
|
||||
}
|
||||
};
|
||||
|
||||
export const validateSubtitleMetadata = (metadata: SubtitleMetadata | undefined) => {
|
||||
if (!metadata) {
|
||||
throw new TypeError("Subtitle metadata must be provided.");
|
||||
throw new TypeError('Subtitle metadata must be provided.');
|
||||
}
|
||||
if (typeof metadata !== 'object') {
|
||||
throw new TypeError("Subtitle metadata must be an object.");
|
||||
throw new TypeError('Subtitle metadata must be an object.');
|
||||
}
|
||||
if (!metadata.config) {
|
||||
throw new TypeError("Subtitle metadata must include a config object.");
|
||||
throw new TypeError('Subtitle metadata must include a config object.');
|
||||
}
|
||||
if (typeof metadata.config !== 'object') {
|
||||
throw new TypeError("Subtitle metadata config must be an object.");
|
||||
throw new TypeError('Subtitle metadata config must be an object.');
|
||||
}
|
||||
if (typeof metadata.config.description !== 'string') {
|
||||
throw new TypeError("Subtitle metadata config description must be a string.");
|
||||
throw new TypeError('Subtitle metadata config description must be a string.');
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
Reference in New Issue
Block a user