129 lines
3.1 KiB
Go
129 lines
3.1 KiB
Go
|
package model
|
||
|
|
||
|
import (
|
||
|
"go-common/library/time"
|
||
|
)
|
||
|
|
||
|
var (
|
||
|
_defaultSeg = &Segment{Start: 0, End: DefaultVideoEnd, Cnt: 1, Num: 1, Duration: 0}
|
||
|
)
|
||
|
|
||
|
const (
|
||
|
// segmentLength 分段长度,根据视频时长做分段,单位:毫秒
|
||
|
segmentLength = int64(6 * 60 * 1000)
|
||
|
// DefaultVideoEnd 当视频时长不存在或者为0时的默认视频结尾时间点
|
||
|
DefaultVideoEnd = int64(10 * 60 * 60 * 1000)
|
||
|
|
||
|
// SubTypeVideo 主题类型
|
||
|
SubTypeVideo = int32(1)
|
||
|
// SubStateOpen 主题打开
|
||
|
SubStateOpen = int32(0)
|
||
|
// SubStateClosed 主题关闭
|
||
|
SubStateClosed = int32(1)
|
||
|
|
||
|
// AttrSubGuest 允许游客弹幕
|
||
|
AttrSubGuest = uint(0)
|
||
|
// AttrSubSpolier 允许剧透弹幕
|
||
|
AttrSubSpolier = uint(1)
|
||
|
// AttrSubMission 允许活动弹幕
|
||
|
AttrSubMission = uint(2)
|
||
|
// AttrSubAdvance 允许高级弹幕
|
||
|
AttrSubAdvance = uint(3)
|
||
|
// AttrSubMonitorBefore 弹幕先审后发
|
||
|
AttrSubMonitorBefore = uint(4)
|
||
|
// AttrSubMonitorAfter 弹幕先发后审
|
||
|
AttrSubMonitorAfter = uint(5)
|
||
|
)
|
||
|
|
||
|
// Subject dm_subject.
|
||
|
type Subject struct {
|
||
|
ID int64 `json:"id"`
|
||
|
Type int32 `json:"type"`
|
||
|
Oid int64 `json:"oid"`
|
||
|
Pid int64 `json:"pid"`
|
||
|
Mid int64 `json:"mid"`
|
||
|
State int32 `json:"state"`
|
||
|
Attr int32 `json:"attr"`
|
||
|
ACount int64 `json:"acount"`
|
||
|
Count int64 `json:"count"`
|
||
|
MCount int64 `json:"mcount"`
|
||
|
MoveCnt int64 `json:"move_count"`
|
||
|
Maxlimit int64 `json:"maxlimit"`
|
||
|
Childpool int32 `json:"childpool"`
|
||
|
CTime time.Time `json:"ctime"`
|
||
|
MTime time.Time `json:"mtime"`
|
||
|
}
|
||
|
|
||
|
// AttrVal return val of subject'attr.
|
||
|
func (s *Subject) AttrVal(bit uint) int32 {
|
||
|
return (s.Attr >> bit) & int32(1)
|
||
|
}
|
||
|
|
||
|
// AttrSet set val of subject'attr.
|
||
|
func (s *Subject) AttrSet(v int32, bit uint) {
|
||
|
s.Attr = s.Attr&(^(1 << bit)) | (v << bit)
|
||
|
}
|
||
|
|
||
|
// Segment dm segment struct
|
||
|
type Segment struct {
|
||
|
Start int64 `json:"ps"` // 分段起始时间
|
||
|
End int64 `json:"pe"` // 分段结束时间
|
||
|
Cnt int64 `json:"cnt"` // 总分段数
|
||
|
Num int64 `json:"num"` // 当前第几段
|
||
|
Duration int64 `json:"duration"` // 视频总时长
|
||
|
}
|
||
|
|
||
|
// SegmentInfo get segment info by start time and video duration.
|
||
|
func SegmentInfo(ps, duration int64) (s *Segment) {
|
||
|
var cnt, num, pe int64
|
||
|
if duration == 0 {
|
||
|
s = _defaultSeg
|
||
|
return
|
||
|
}
|
||
|
cnt = duration / segmentLength
|
||
|
if duration%segmentLength > 0 {
|
||
|
cnt++
|
||
|
}
|
||
|
for i := int64(0); i < cnt; i++ {
|
||
|
if ps >= i*segmentLength && ps < (i+1)*segmentLength {
|
||
|
ps = i * segmentLength
|
||
|
pe = (i + 1) * segmentLength
|
||
|
num = i + 1
|
||
|
}
|
||
|
}
|
||
|
if pe > duration {
|
||
|
pe = duration
|
||
|
}
|
||
|
if ps > duration {
|
||
|
ps = duration
|
||
|
pe = duration
|
||
|
num = cnt
|
||
|
}
|
||
|
s = &Segment{
|
||
|
Start: ps,
|
||
|
End: pe,
|
||
|
Cnt: cnt,
|
||
|
Num: num,
|
||
|
Duration: duration,
|
||
|
}
|
||
|
return
|
||
|
}
|
||
|
|
||
|
// SegmentPoint 根据当前段数和视频总时长计算分段的起始时间点
|
||
|
func SegmentPoint(num, duration int64) (ps, pe int64) {
|
||
|
if duration == 0 {
|
||
|
ps = 0
|
||
|
pe = DefaultVideoEnd
|
||
|
return
|
||
|
}
|
||
|
pe = num * segmentLength
|
||
|
ps = pe - segmentLength
|
||
|
if pe > duration {
|
||
|
pe = duration
|
||
|
}
|
||
|
if ps < 0 {
|
||
|
ps = 0
|
||
|
}
|
||
|
return
|
||
|
}
|