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fix(xgplayer-transmuxer): mp4 tkhd中matrix前2层取值问题

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liujing.cyan 2024-06-19 17:41:00 +08:00 committed by gemstone
parent 8db3c9fe61
commit 6f6a48afbb
1 changed files with 2 additions and 2 deletions
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4
packages/xgplayer-transmuxer/src/mp4/mp4-parser.js
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@ -170,8 +170,8 @@ export class MP4Parser {
byte.back(36)
const caculatedMatrix = [] // for caculation of rotation
for (let i = 0, int32; i < 3; i++) {
caculatedMatrix.push(combineToFloat(byte.read(2), byte.read(2))) // 16.16 fixed point
caculatedMatrix.push(combineToFloat(byte.read(2), byte.read(2))) // 16.16 fixed point
caculatedMatrix.push(combineToFloat(byte.readInt(2), byte.readInt(2))) // 16.16 fixed point
caculatedMatrix.push(combineToFloat(byte.readInt(2), byte.readInt(2))) // 16.16 fixed point
int32 = byte.readInt(4)
caculatedMatrix.push(combineToFloat(int32 >> 30, int32 & 0x3fffffff)) // 2.30 fixed point
}