60 lines
1.0 KiB
Go
60 lines
1.0 KiB
Go
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package nvr
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import (
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"log"
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"os"
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"time"
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"github.com/deepch/vdk/av"
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)
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type Muxer struct {
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name string
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patch string
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started bool
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file *os.File
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codec []av.CodecData
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buffer []*av.Packet
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bufferDur time.Duration
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seqDur time.Duration
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}
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//NewMuxer func
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func NewMuxer(codec []av.CodecData, name, patch string, seqDur time.Duration) *Muxer {
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return &Muxer{
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codec: codec,
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name: name,
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patch: patch,
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seqDur: seqDur,
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}
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}
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//WritePacket func
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func (obj *Muxer) CodecUpdate(val []av.CodecData) {
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obj.codec = val
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}
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//WritePacket func
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func (obj *Muxer) WritePacket(pkt *av.Packet) (err error) {
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if !obj.started && pkt.IsKeyFrame {
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obj.started = true
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}
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if obj.started {
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if pkt.IsKeyFrame && obj.bufferDur >= obj.seqDur {
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log.Println("write to drive", len(obj.buffer), obj.bufferDur)
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obj.buffer = nil
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obj.bufferDur = 0
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}
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obj.buffer = append(obj.buffer, pkt)
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if pkt.Idx == 0 {
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obj.bufferDur += pkt.Duration
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}
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}
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return nil
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}
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//Close func
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func (obj *Muxer) Close() {
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return
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}
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