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pktque: add FixTime

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This commit is contained in:
nareix 2016-07-16 22:00:49 +08:00
parent 040331c059
commit 589edba35a
1 changed files with 25 additions and 6 deletions
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31
av/pktque/filters.go
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@ -74,15 +74,34 @@ func (self *WaitKeyFrame) ModifyPacket(pkt *av.Packet, streams []av.CodecData, v
return return
} }
type TimeStartFromZero struct { type FixTime struct {
timebase time.Duration zerobase time.Duration
incrbase time.Duration
lasttime time.Duration
StartFromZero bool
MakeIncrement bool
} }
func (self *TimeStartFromZero) ModifyPacket(pkt *av.Packet, streams []av.CodecData, videoidx int, audioidx int) (drop bool, err error) { func (self *FixTime) ModifyPacket(pkt *av.Packet, streams []av.CodecData, videoidx int, audioidx int) (drop bool, err error) {
if self.timebase == 0 { if self.StartFromZero {
self.timebase = pkt.Time if self.zerobase == 0 {
self.zerobase = pkt.Time
}
pkt.Time -= self.zerobase
} }
pkt.Time -= self.timebase
if self.MakeIncrement {
pkt.Time -= self.incrbase
if self.lasttime == 0 {
self.lasttime = pkt.Time
}
if pkt.Time < self.lasttime || pkt.Time > self.lasttime+time.Millisecond*500 {
self.incrbase += pkt.Time - self.lasttime
pkt.Time = self.lasttime
}
self.lasttime = pkt.Time
}
return return
} }