Files
go-common/app/job/live/dao-anchor-job/internal/service/cover.go
2019-04-22 18:49:16 +08:00

113 lines
3.1 KiB
Go

package service
import (
"context"
"strings"
"time"
"go-common/app/job/live/dao-anchor-job/internal/dao"
"go-common/library/sync/errgroup"
"go-common/library/log"
)
//封面图/关键帧相关脚本
const ROOM_LEN_KEY_FRAME = 500
//updateKeyFrame 更新关键帧
func (s *Service) updateKeyFrame() {
ctx := context.TODO()
ctx, cancel := context.WithTimeout(ctx, time.Minute*5)
defer cancel()
log.Info("updateKeyFrame_start")
//获取全量开播房间
allLiveingRoom, err := s.dao.GetAllLiveRoomIds(ctx)
if allLiveingRoom == nil || err != nil {
log.Error("updateKeyFrame_allLiveingRoom_error:reply=%v;err=%v", allLiveingRoom, err)
return
}
slice := make([]int64, 0)
eg := errgroup.Group{}
for i := 0; i < len(allLiveingRoom); {
end := ROOM_LEN_KEY_FRAME + i
if (ROOM_LEN_KEY_FRAME + i) >= len(allLiveingRoom) {
end = len(allLiveingRoom)
}
slice = allLiveingRoom[i:end]
if len(slice) <= 0 {
break
} else {
eg.Go(func(sliceParam []int64) func() error {
return func() (err error) {
for _, roomId := range sliceParam {
coverUrl, err := s.dealKeyFrame(ctx, roomId)
if err != nil {
time.Sleep(time.Second)
log.Error("updateKeyFrame_deal_error:roomId=%d;ketFrame=%s", roomId, coverUrl)
continue
}
if coverUrl == "" {
continue
}
//更新关键帧
coverUrlArr := strings.Split(coverUrl, "?")
coverUrl = coverUrlArr[0] + "?" + time.Now().Format("01021504")
s.dao.UpdateRoomEx(ctx, roomId, []string{"keyframe"}, coverUrl)
time.Sleep(time.Millisecond * 10)
}
return
}
}(slice))
}
i = end
}
eg.Wait()
log.Info("updateKeyFrame_end")
return
}
func (s *Service) dealKeyFrame(ctx context.Context, roomId int64) (coverUrl string, err error) {
//二次确认是否关播,关播不再做
roomInfos, err := s.dao.GetInfosByRoomIds(ctx, []int64{roomId}, []string{"live_status"})
if err != nil {
log.Error("updateKeyFrame_GetInfosByRoomIds_error:room_id=%d;err=%v", roomId, err)
return
}
roomInfo := roomInfos[roomId]
//未开播,不更新关键帧
if roomInfo == nil || roomInfo.LiveStatus != dao.LIVE_OPEN {
return
}
//判断是否为pk房间,pk房间不更新关键帧
pkReply, err := s.dao.GetPkStatus(ctx, roomId)
if err != nil {
log.Error("updateKeyFrame_GetPkStatus_error:room_id=%d", roomId)
return
}
if pkReply.PkStatus > 0 {
return
}
//获取关键帧
startTime := time.Now().Add(-time.Minute)
endTime := time.Now()
pics, err := s.dao.GetPicsByRoomId(ctx, roomId, startTime, endTime)
if err != nil || pics == nil || pics[0] == "" {
log.Warn("updateKeyFrame_GetPicsByRoomId_error:room_id=%d;pics=%v;err=%v", roomId, pics, err)
return
}
//上传至bfs
reply, err := s.dao.ImgDownload(ctx, pics[0])
if err != nil || reply == nil {
log.Warn("updateKeyFrame_ImgDownload_error:room_id=%d;pic=%s;err=%v;reply=%v", roomId, pics[0], err, reply)
return
}
coverUrl, err = s.dao.ImgUpload(ctx, roomId, pics[0], reply)
if err != nil || coverUrl == "" {
log.Error("updateKeyFrame_ImgUploadBfs_error:room_id=%d;pic=%s", roomId, pics[0])
return
}
return
}