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Fix rotation matrix detection

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Vanilagy
2025-01-02 17:03:05 +01:00
parent 5dda43959d
commit d476c42424
2 changed files with 9 additions and 7 deletions
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src/isobmff/isobmff-demuxer.ts
+6 -4
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@@ -592,12 +592,14 @@ export class IsobmffDemuxer extends Demuxer {
}
this.isobmffReader.pos += 2 * 4 + 2 + 2 + 2 + 2;
const rotationMatrix: number[] = [];
rotationMatrix.push(this.isobmffReader.readFixed_16_16(), this.isobmffReader.readFixed_16_16());
const values: number[] = [];
values.push(this.isobmffReader.readFixed_16_16(), this.isobmffReader.readFixed_16_16());
this.isobmffReader.pos += 4;
rotationMatrix.push(this.isobmffReader.readFixed_16_16(), this.isobmffReader.readFixed_16_16());
values.push(this.isobmffReader.readFixed_16_16(), this.isobmffReader.readFixed_16_16());
const matrixIndex = knownMatrixes.findIndex(x => x.every((y, i) => y === rotationMatrix[i]));
const matrixIndex = knownMatrixes.findIndex((x) => {
return x[0] === values[0] && x[1] === values[1] && x[3] === values[2] && x[4] === values[3];
});
if (matrixIndex === -1) {
// console.warn(`Wacky rotation matrix ${rotationMatrix}; sticking with no rotation.`);
track.rotation = 0;