Asp.net FMS 开发视频网站

23

24 // Check start parameter if present

25 string filename = Path.GetFileName(context.Request.FilePath);

26

27 using (FileStream fs = new FileStream(context.Server.MapPath(filename), FileMode.Open, FileAccess.Read, FileShare.Read))

28 {

29 string qs = context.Request.Params["start"];

30

31 if (string.IsNullOrEmpty(qs))

32 {

33 pos = 0;

34 length = Convert.ToInt32(fs.Length);

35 }

36 else

37 {

38 pos = Convert.ToInt32(qs);

39 length = Convert.ToInt32(fs.Length - pos) + _flvheader.Length;

40 }

41

42 // Add HTTP header stuff: cache, content type and length

43 context.Response.Cache.SetCacheability(HttpCacheability.Public);

44 context.Response.Cache.SetLastModified(DateTime.Now);

45

46 context.Response.AppendHeader("Content-Type", "video/x-flv");