mirror of
https://github.com/langhuihui/monibuca.git
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0913df7b8c
1.recordmode:Change "recordmode" from the original "1, 0" to "auto, event". original is :1 is event record,0 is auto record. 2.eventleve:Change "eventlevel" from the original "0, 1" to "high, low". original is :1 is event low,0 is event high.
402 lines
12 KiB
Go
402 lines
12 KiB
Go
package plugin_mp4
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"os"
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"path/filepath"
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"strings"
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"time"
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"unsafe"
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"github.com/mcuadros/go-defaults"
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"m7s.live/v5/pkg/config"
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"google.golang.org/protobuf/types/known/emptypb"
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"google.golang.org/protobuf/types/known/timestamppb"
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m7s "m7s.live/v5"
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"m7s.live/v5/pkg"
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"m7s.live/v5/pkg/util"
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"m7s.live/v5/plugin/mp4/pb"
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mp4 "m7s.live/v5/plugin/mp4/pkg"
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"m7s.live/v5/plugin/mp4/pkg/box"
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)
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type ContentPart struct {
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*os.File
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Start int64
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Size int
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}
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func (p *MP4Plugin) List(ctx context.Context, req *pb.ReqRecordList) (resp *pb.ResponseList, err error) {
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var streams []m7s.RecordStream
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if p.DB == nil {
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err = pkg.ErrNoDB
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return
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}
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offset := (req.PageNum - 1) * req.PageSize // 计算偏移量
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var totalCount int64 //总条数
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// 查询总记录数
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countQuery := p.DB.Model(&m7s.RecordStream{})
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// 查询当前页的数据
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query := p.DB.Model(&m7s.RecordStream{})
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if req.PageSize > 0 {
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query = query.Limit(int(req.PageSize)).Offset(int(offset))
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}
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startTime, endTime, err := util.TimeRangeQueryParse(url.Values{"range": []string{req.Range}, "start": []string{req.Start}, "end": []string{req.End}})
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if err != nil {
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return
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}
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var condition string = "end_time>? AND start_time<?"
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var values []any = []any{startTime, endTime}
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if strings.Contains(req.StreamPath, "*") {
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condition += " AND stream_path like ?"
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values = append(values, strings.ReplaceAll(req.StreamPath, "*", "%"))
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} else if req.StreamPath != "" {
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condition += " AND stream_path=?"
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values = append(values, req.StreamPath)
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}
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if req.Mode != "" {
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condition += " AND mode=?"
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values = append(values, req.Mode)
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}
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values = append([]any{condition}, values...)
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err = countQuery.Find(&streams, values...).Count(&totalCount).Error
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if err != nil {
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return
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}
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query.Find(&streams, values...)
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resp = &pb.ResponseList{
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PageSize: req.PageSize,
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PageNum: req.PageNum,
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TotalCount: uint32(totalCount),
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}
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for _, stream := range streams {
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resp.Data = append(resp.Data, &pb.RecordFile{
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Id: uint32(stream.ID),
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StartTime: timestamppb.New(stream.StartTime),
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EndTime: timestamppb.New(stream.EndTime),
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FilePath: stream.FilePath,
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StreamPath: stream.StreamPath,
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})
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}
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return
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}
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func (p *MP4Plugin) Catalog(ctx context.Context, req *emptypb.Empty) (resp *pb.ResponseCatalog, err error) {
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if p.DB == nil {
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err = pkg.ErrNoDB
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return
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}
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resp = &pb.ResponseCatalog{}
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var result []struct {
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StreamPath string
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Count uint
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StartTime time.Time
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EndTime time.Time
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}
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err = p.DB.Model(&m7s.RecordStream{}).Select("stream_path,count(id) as count,min(start_time) as start_time,max(end_time) as end_time").Group("stream_path").Find(&result).Error
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if err != nil {
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return
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}
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for _, row := range result {
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resp.Data = append(resp.Data, &pb.Catalog{
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StreamPath: row.StreamPath,
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Count: uint32(row.Count),
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StartTime: timestamppb.New(row.StartTime),
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EndTime: timestamppb.New(row.EndTime),
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})
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}
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return
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}
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func (p *MP4Plugin) Delete(ctx context.Context, req *pb.ReqRecordDelete) (resp *pb.ResponseDelete, err error) {
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if p.DB == nil {
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err = pkg.ErrNoDB
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return
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}
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ids := req.GetIds()
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var result []*m7s.RecordStream
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if len(ids) > 0 {
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p.DB.Find(&result, "stream_path=? AND id IN ?", req.StreamPath, ids)
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} else {
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startTime, endTime, err := util.TimeRangeQueryParse(url.Values{"range": []string{req.Range}, "start": []string{req.StartTime}, "end": []string{req.EndTime}})
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if err != nil {
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return nil, err
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}
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p.DB.Find(&result, "stream_path=? AND start_time>=? AND end_time<=?", req.StreamPath, startTime, endTime)
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}
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err = p.DB.Delete(result).Error
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if err != nil {
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return
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}
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var apiResult []*pb.RecordFile
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for _, recordFile := range result {
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apiResult = append(apiResult, &pb.RecordFile{
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Id: uint32(recordFile.ID),
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StartTime: timestamppb.New(recordFile.StartTime),
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EndTime: timestamppb.New(recordFile.EndTime),
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FilePath: recordFile.FilePath,
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StreamPath: recordFile.StreamPath,
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})
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err = os.Remove(recordFile.FilePath)
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if err != nil {
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return
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}
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}
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resp = &pb.ResponseDelete{
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Data: apiResult,
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}
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return
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}
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func (p *MP4Plugin) download(w http.ResponseWriter, r *http.Request) {
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if p.DB == nil {
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http.Error(w, pkg.ErrNoDB.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "video/mp4")
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streamPath := r.PathValue("streamPath")
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query := r.URL.Query()
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var streams []m7s.RecordStream
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if id := query.Get("id"); id != "" {
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w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s_%s.mp4", streamPath, id))
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p.DB.Find(&streams, "id=? AND stream_path=?", id, streamPath)
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if len(streams) == 0 {
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http.Error(w, "record not found", http.StatusNotFound)
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return
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}
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http.ServeFile(w, r, streams[0].FilePath)
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return
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}
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startTime, endTime, err := util.TimeRangeQueryParse(query)
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if err != nil {
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http.Error(w, err.Error(), http.StatusBadRequest)
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return
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}
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p.Info("download", "streamPath", streamPath, "start", startTime, "end", endTime)
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w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=%s_%s_%s.mp4", streamPath, startTime.Format("20060102150405"), endTime.Format("20060102150405")))
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queryRecord := m7s.RecordStream{
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Mode: m7s.RecordModeAuto,
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}
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p.DB.Where(&queryRecord).Find(&streams, "end_time>? AND start_time<? AND stream_path=?", startTime, endTime, streamPath)
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muxer := mp4.NewMuxer(0)
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var n int
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n, err = w.Write(box.MakeFtypBox(box.TypeISOM, 0x200, box.TypeISOM, box.TypeISO2, box.TypeAVC1, box.TypeMP41))
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if err != nil {
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return
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}
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muxer.CurrentOffset = int64(n)
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var lastTs, tsOffset int64
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var parts []*ContentPart
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sampleOffset := muxer.CurrentOffset + box.BasicBoxLen*2
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mdatOffset := sampleOffset
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var audioTrack, videoTrack *mp4.Track
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var file *os.File
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streamCount := len(streams)
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for i, stream := range streams {
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tsOffset = lastTs
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file, err = os.Open(stream.FilePath)
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if err != nil {
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return
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}
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p.Info("read", "file", file.Name())
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demuxer := mp4.NewDemuxer(file)
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err = demuxer.Demux()
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if err != nil {
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return
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}
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if i == 0 {
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for _, track := range demuxer.Tracks {
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t := muxer.AddTrack(track.Cid)
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t.ExtraData = track.ExtraData
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if track.Cid.IsAudio() {
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audioTrack = t
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t.SampleSize = track.SampleSize
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t.SampleRate = track.SampleRate
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t.ChannelCount = track.ChannelCount
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} else if track.Cid.IsVideo() {
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videoTrack = t
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t.Width = track.Width
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t.Height = track.Height
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}
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}
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startTimestamp := startTime.Sub(stream.StartTime).Milliseconds()
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var startSample *box.Sample
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if startSample, err = demuxer.SeekTime(uint64(startTimestamp)); err != nil {
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tsOffset = 0
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continue
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}
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tsOffset = -int64(startSample.DTS)
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}
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var part *ContentPart
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for track, sample := range demuxer.RangeSample {
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if i == streamCount-1 && int64(sample.DTS) > endTime.Sub(stream.StartTime).Milliseconds() {
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break
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}
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if part == nil {
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part = &ContentPart{
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File: file,
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Start: sample.Offset,
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}
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}
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part.Size += sample.Size
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lastTs = int64(sample.DTS + uint64(tsOffset))
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fixSample := *sample
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fixSample.DTS += uint64(tsOffset)
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fixSample.PTS += uint64(tsOffset)
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fixSample.Offset += sampleOffset - part.Start
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if track.Cid.IsAudio() {
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audioTrack.AddSampleEntry(fixSample)
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} else if track.Cid.IsVideo() {
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videoTrack.AddSampleEntry(fixSample)
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}
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}
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if part != nil {
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sampleOffset += int64(part.Size)
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parts = append(parts, part)
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}
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}
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moovSize := muxer.GetMoovSize()
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for _, track := range muxer.Tracks {
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for i := range track.Samplelist {
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track.Samplelist[i].Offset += int64(moovSize)
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}
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}
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err = muxer.WriteMoov(w)
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if err != nil {
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return
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}
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var mdatBox = box.MediaDataBox(sampleOffset - mdatOffset)
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boxLen, buf := mdatBox.Encode()
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if boxLen == box.BasicBoxLen*2 {
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w.Write(buf)
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} else {
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freeBox := box.NewBasicBox(box.TypeFREE)
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freeBox.Size = box.BasicBoxLen
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_, free := freeBox.Encode()
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w.Write(free)
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w.Write(buf)
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}
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var written, totalWritten int64
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for _, part := range parts {
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part.Seek(part.Start, io.SeekStart)
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written, err = io.CopyN(w, part.File, int64(part.Size))
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if err != nil {
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return
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}
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totalWritten += written
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part.Close()
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}
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}
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func (p *MP4Plugin) StartRecord(ctx context.Context, req *pb.ReqStartRecord) (res *pb.ResponseStartRecord, err error) {
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var recordExists bool
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res = &pb.ResponseStartRecord{}
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p.Server.Records.Call(func() error {
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_, recordExists = p.Server.Records.Find(func(job *m7s.RecordJob) bool {
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return job.StreamPath == req.StreamPath && job.FilePath == req.FilePath
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})
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return nil
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})
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if recordExists {
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err = pkg.ErrRecordExists
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return
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}
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p.Server.Streams.Call(func() error {
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if stream, ok := p.Server.Streams.Get(req.StreamPath); ok {
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recordConf := config.Record{
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Append: false,
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Fragment: req.Fragment.AsDuration(),
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FilePath: req.FilePath,
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}
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job := p.Record(stream, recordConf, nil)
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res.Data = uint64(uintptr(unsafe.Pointer(job.GetTask())))
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}
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return nil
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})
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return
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}
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func (p *MP4Plugin) EventStart(ctx context.Context, req *pb.ReqEventRecord) (res *pb.ResponseEventRecord, err error) {
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beforeDuration := p.BeforeDuration
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afterDuration := p.AfterDuration
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res = &pb.ResponseEventRecord{}
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if req.BeforeDuration != "" {
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beforeDuration, err = time.ParseDuration(req.BeforeDuration)
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if err != nil {
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p.Error("EventStart", "error", err)
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}
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}
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if req.AfterDuration != "" {
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afterDuration, err = time.ParseDuration(req.AfterDuration)
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if err != nil {
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p.Error("EventStart", "error", err)
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}
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}
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recorder := p.Meta.Recorder()
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var tmpJob *m7s.RecordJob
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p.Server.Records.Call(func() error {
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tmpJob, _ = p.Server.Records.Find(func(job *m7s.RecordJob) bool {
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return job.StreamPath == req.StreamPath
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})
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return nil
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})
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if tmpJob == nil { //为空表示没有正在进行的录制，也就是没有自动录像，则进行正常的事件录像
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p.Server.Streams.Call(func() error {
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if stream, ok := p.Server.Streams.Get(req.StreamPath); ok {
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recordConf := config.Record{
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Append: false,
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Fragment: 0,
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FilePath: filepath.Join(p.EventRecordFilePath, stream.StreamPath, time.Now().Local().Format("2006-01-02-15-04-05")),
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}
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recordJob := recorder.GetRecordJob()
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recordJob.EventId = req.EventId
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recordJob.EventLevel = req.EventLevel
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recordJob.EventName = req.EventName
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recordJob.EventDesc = req.EventDesc
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recordJob.AfterDuration = afterDuration
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recordJob.BeforeDuration = beforeDuration
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recordJob.Mode = m7s.RecordModeEvent
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var subconfig config.Subscribe
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defaults.SetDefaults(&subconfig)
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subconfig.BufferTime = beforeDuration
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p.Record(stream, recordConf, &subconfig)
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}
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return nil
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})
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} else {
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if tmpJob.AfterDuration != 0 { //当前有事件录像正在录制，则更新该录像的结束时间
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tmpJob.AfterDuration = time.Duration(tmpJob.Subscriber.VideoReader.AbsTime)*time.Millisecond + afterDuration
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} else { //当前有自动录像正在录制，则生成事件录像的记录，而不去生成事件录像的文件
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recordStream := &m7s.RecordStream{
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StreamPath: req.StreamPath,
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EventId: req.EventId,
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EventLevel: req.EventLevel,
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EventDesc: req.EventDesc,
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EventName: req.EventName,
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Mode: m7s.RecordModeEvent,
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BeforeDuration: beforeDuration,
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AfterDuration: afterDuration,
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}
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now := time.Now()
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startTime := now.Add(-beforeDuration)
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endTime := now.Add(afterDuration)
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recordStream.StartTime = startTime
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recordStream.EndTime = endTime
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if p.DB != nil {
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p.DB.Save(&recordStream)
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}
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}
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}
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return res, err
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}
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