mirror of
https://github.com/langhuihui/monibuca.git
synced 2025-12-24 13:48:04 +08:00
17 lines
469 B
Go
17 lines
469 B
Go
package box
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func makeMvex(muxer *Movmuxer) []byte {
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trexs := make([]byte, 0, 64)
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for i := uint32(1); i < muxer.nextTrackId; i++ {
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trex := NewTrackExtendsBox(muxer.tracks[i].trackId)
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trex.DefaultSampleDescriptionIndex = 1
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_, boxData := trex.Encode()
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trexs = append(trexs, boxData...)
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}
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mvex := BasicBox{Type: [4]byte{'m', 'v', 'e', 'x'}}
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mvex.Size = 8 + uint64(len(trexs))
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offset, mvexBox := mvex.Encode()
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copy(mvexBox[offset:], trexs)
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return mvexBox
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}
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