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Add colr box

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This commit is contained in:
Vanilagy
2024-11-24 15:04:57 +01:00
parent 29ecccb26a
commit 29749451bb
7 changed files with 143 additions and 68 deletions
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dist/metamuxer.mjs
Vendored
+47 -19
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@@ -103,6 +103,35 @@ var toUint8Array = (source) => {
}
};
var textEncoder = new TextEncoder();
var COLOR_PRIMARIES_MAP = {
"bt709": 1,
// ITU-R BT.709
"bt470bg": 5,
// ITU-R BT.470BG
"smpte170m": 6
// ITU-R BT.601 525 - SMPTE 170M
};
var TRANSFER_CHARACTERISTICS_MAP = {
"bt709": 1,
// ITU-R BT.709
"smpte170m": 6,
// SMPTE 170M
"iec61966-2-1": 13
// IEC 61966-2-1
};
var MATRIX_COEFFICIENTS_MAP = {
"rgb": 0,
// Identity
"bt709": 1,
// ITU-R BT.709
"bt470bg": 5,
// ITU-R BT.470BG
"smpte170m": 6
// SMPTE 170M
};
var colorSpaceIsComplete = (colorSpace) => {
return !!colorSpace && !!colorSpace.primaries && !!colorSpace.transfer && !!colorSpace.matrix && colorSpace.fullRange !== void 0;
};
// src/subtitles.ts
var cueBlockHeaderRegex = /(?:(.+?)\n)?((?:\d{2}:)?\d{2}:\d{2}.\d{3})\s+-->\s+((?:\d{2}:)?\d{2}:\d{2}.\d{3})/g;
@@ -629,8 +658,20 @@ var videoSampleDescription = (compressionType, trackData) => box(compressionType
i16(65535)
// Pre-defined
], [
VIDEO_CODEC_TO_CONFIGURATION_BOX[trackData.track.source.codec](trackData)
// TODO colr
VIDEO_CODEC_TO_CONFIGURATION_BOX[trackData.track.source.codec](trackData),
colorSpaceIsComplete(trackData.info.decoderConfig.colorSpace) ? colr(trackData) : null
]);
var colr = (trackData) => box("colr", [
ascii("nclx"),
// Colour type
u16(COLOR_PRIMARIES_MAP[trackData.info.decoderConfig.colorSpace.primaries]),
// Colour primaries
u16(TRANSFER_CHARACTERISTICS_MAP[trackData.info.decoderConfig.colorSpace.transfer]),
// Transfer characteristics
u16(MATRIX_COEFFICIENTS_MAP[trackData.info.decoderConfig.colorSpace.matrix]),
// Matrix coefficients
u8((trackData.info.decoderConfig.colorSpace.fullRange ? 1 : 0) << 7)
// Full range flag
]);
var avcC = (trackData) => trackData.info.decoderConfig && box("avcC", [
// For AVC, description is an AVCDecoderConfigurationRecord, so nothing else to do here
@@ -2340,26 +2381,13 @@ var MatroskaMuxer = class extends Muxer {
(() => {
if (trackData.info.decoderConfig.colorSpace) {
let colorSpace = trackData.info.decoderConfig.colorSpace;
if (!colorSpace.matrix || !colorSpace.transfer || !colorSpace.primaries || colorSpace.fullRange == null) {
if (!colorSpaceIsComplete(colorSpace)) {
return null;
}
return { id: 21936 /* Colour */, data: [
{ id: 21937 /* MatrixCoefficients */, data: {
"rgb": 1,
"bt709": 1,
"bt470bg": 5,
"smpte170m": 6
}[colorSpace.matrix] },
{ id: 21946 /* TransferCharacteristics */, data: {
"bt709": 1,
"smpte170m": 6,
"iec61966-2-1": 13
}[colorSpace.transfer] },
{ id: 21947 /* Primaries */, data: {
"bt709": 1,
"bt470bg": 5,
"smpte170m": 6
}[colorSpace.primaries] },
{ id: 21937 /* MatrixCoefficients */, data: MATRIX_COEFFICIENTS_MAP[colorSpace.matrix] },
{ id: 21946 /* TransferCharacteristics */, data: TRANSFER_CHARACTERISTICS_MAP[colorSpace.transfer] },
{ id: 21947 /* Primaries */, data: COLOR_PRIMARIES_MAP[colorSpace.primaries] },
{ id: 21945 /* Range */, data: [1, 2][Number(colorSpace.fullRange)] }
] };
}