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https://github.com/langhuihui/monibuca.git
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40 lines
1019 B
Go
40 lines
1019 B
Go
package box
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import (
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"encoding/binary"
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"io"
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)
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// aligned(8) class MovieFragmentRandomAccessOffsetBox extends FullBox(‘mfro’, version, 0) {
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// unsigned int(32) size;
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// }
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type MovieFragmentRandomAccessOffsetBox uint32
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func (mfro *MovieFragmentRandomAccessOffsetBox) Decode(r io.Reader) (offset int, err error) {
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var fullbox FullBox
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if offset, err = fullbox.Decode(r); err != nil {
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return
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}
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buf := make([]byte, 4)
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if _, err = io.ReadFull(r, buf); err != nil {
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return 0, err
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}
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*mfro = MovieFragmentRandomAccessOffsetBox(binary.BigEndian.Uint32(buf))
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return offset + 4, nil
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}
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func (mfro *MovieFragmentRandomAccessOffsetBox) Encode() (int, []byte) {
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fullbox := NewFullBox(TypeMFRO, 0)
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fullbox.Box.Size = FullBoxLen + 4
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offset, boxdata := fullbox.Encode()
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binary.BigEndian.PutUint32(boxdata[offset:], uint32(*mfro))
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return offset + 4, boxdata
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}
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func MakeMfroBox(mfraSize uint32) []byte {
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mfro := MovieFragmentRandomAccessOffsetBox(mfraSize + 16)
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_, boxData := mfro.Encode()
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return boxData
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}
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