60 lines
1.1 KiB
Go
60 lines
1.1 KiB
Go
package mp4
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import (
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"time"
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"git.r-2.top/kunmeng/vdk/av"
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"git.r-2.top/kunmeng/vdk/format/mp4/mp4io"
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)
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type Stream struct {
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av.CodecData
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trackAtom *mp4io.Track
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idx int
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lastpkt *av.Packet
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timeScale int64
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duration int64
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muxer *Muxer
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demuxer *Demuxer
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sample *mp4io.SampleTable
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sampleIndex int
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sampleOffsetInChunk int64
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syncSampleIndex int
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dts int64
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sttsEntryIndex int
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sampleIndexInSttsEntry int
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cttsEntryIndex int
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sampleIndexInCttsEntry int
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chunkGroupIndex int
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chunkIndex int
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sampleIndexInChunk int
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sttsEntry *mp4io.TimeToSampleEntry
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cttsEntry *mp4io.CompositionOffsetEntry
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}
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func timeToTs(tm time.Duration, timeScale int64) int64 {
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return int64(tm * time.Duration(timeScale) / time.Second)
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}
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func tsToTime(ts int64, timeScale int64) time.Duration {
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return time.Duration(ts) * time.Second / time.Duration(timeScale)
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}
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func (self *Stream) timeToTs(tm time.Duration) int64 {
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return int64(tm * time.Duration(self.timeScale) / time.Second)
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}
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func (self *Stream) tsToTime(ts int64) time.Duration {
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return time.Duration(ts) * time.Second / time.Duration(self.timeScale)
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}
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