/// <summary>
/// 推流的地址
/// </summary>
/// <param name="streamname">直播流的名称</param>
public string GetPublish(string streamname)
{
pili_sdk.pili.Stream stream = Pili.API <IStream>().GetForTitle(streamname);
if (stream == null)
{
return(string.Empty);
}
string url = string.Format("https://{0}/{1}/{2}", stream.PublishRtmpHost, stream.HubName, stream.Title);
return(url);
}
/// <summary>
/// 创建直播流
/// </summary>
/// <param name="name"></param>
public pili_sdk.pili.Stream StreamCreat(string name)
{
Stream stream = null;
try
{
stream = Pili.API <IStream>().Create(name);
return(stream);
}
catch (Exception e)
{
throw e;
}
}
/// <summary>
/// 教师的直播章节
/// </summary>
/// <param name="thid">教师id</param>
/// <param name="couid">课程id</param>
/// <returns>返回内容包括：带直播的章节的名称、ID、UID、课程名称、直播相关信息；
/// LivePublish：直播推流地址，示例 rtmp://pili-publish.zhibo.weisha100.cn/ceshi5/132_267_548f3efe842b564c74babb4c70fc
/// LiveHLS：播放地址，示例 http://pili-live-hls.zhibo.weisha100.cn/ceshi5/132_267_548f3efe842b564c74babb4c70fc
/// LiveCover：直播封面，每五秒更新，示例http://pili-snapshot.zhibo.weisha100.cn/ceshi5/132_267_548f3efe842b564c74babb4c70fc
/// LiveTime：直播开始时间，这个时间仅供于通知学员何时开始，从技术来说直播可以随时开始
/// LiveSpan：直播课的时长，仅供告知学员课时长度，从技术上来说直播不受时长限制
/// </returns>
/// <remarks></remarks>
public Outline_LiveInfo[] Lives(int thid, int couid)
{
Song.Entities.Course cour = Business.Do <ICourse>().CourseSingle(couid);
if (cour == null)
{
return(null);
}
if (cour.Th_ID != thid)
{
return(null);
}
//
Song.Entities.Outline[] outls = Business.Do <IOutline>().OutlineCount(couid, true, null, true, 0);
List <Outline_LiveInfo> list = new List <Outline_LiveInfo>();
//直播截图的域名
string snapshot = Business.Do <ILive>().GetSnapshot;
string proto = Business.Do <ILive>().GetProtocol; //协议，http还是https
foreach (Song.Entities.Outline o in outls)
{
pili_sdk.pili.Stream stream = Pili.API <IStream>().GetForTitle(o.Ol_LiveID);
if (stream == null)
{
continue;
}
//推流地址
string publist = string.Format("rtmp://{0}/{1}/{2}", stream.PublishRtmpHost, stream.HubName, stream.Title);
//播放地址
string play = string.Format("{0}://{1}/{2}/{3}.m3u8", proto, stream.LiveHlsHost, stream.HubName, stream.Title);
//封面地址
string cover = string.Format("http://{0}/{1}/{2}.jpg", snapshot, stream.HubName, stream.Title);
list.Add(new Outline_LiveInfo()
{
Name = o.Ol_Name,
ID = o.Ol_ID,
UID = o.Ol_UID,
Course = cour.Cou_Name,
LiveID = stream.StreamID,
LiveTitle = stream.Title,
LiveTime = o.Ol_LiveTime,
LiveSpan = o.Ol_LiveSpan,
LivePublish = publist,
LiveHLS = play,
LiveCover = cover
});
}
return(list.ToArray <Outline_LiveInfo>());
}
/// <summary>
/// 直播流列表
/// </summary>
/// <param name="prefix">直播流名称前缀</param>
/// <param name="living">是否正在直播中</param>
/// <param name="count">取几条记录</param>
/// <returns></returns>
public pili_sdk.pili.StreamList StreamList(string prefix, bool?living, long count)
{
string marker = null; // optional
long limit = count; // optional
string titlePrefix = prefix; // optional
try
{
StreamList streamList = Pili.API <IStream>().List(marker, limit, titlePrefix, living);
IList <Stream> list = streamList.Streams;
foreach (Stream s in list)
{
// access the stream
}
return(streamList);
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 删除直播流
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public bool StreamDelete(string name)
{
Stream stream = this.StreamGet(name);
if (stream == null)
{
return(false);
}
//
try
{
string res = Pili.API <IStream>().Delete(stream);
if ("No Content".Equals(res))
{
return(true);
}
return(false);
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 章节的状态
/// </summary>
/// <param name="olid"></param>
/// <returns></returns>
public Dictionary <string, object> State(int olid)
{
Dictionary <string, object> dic = new Dictionary <string, object>();
Song.Entities.Accounts acc = Extend.LoginState.Accounts.CurrentUser;
dic.Add("isLogin", acc != null); //学员是否登录
//
Song.Entities.Outline outline = Business.Do <IOutline>().OutlineSingle(olid);
if (outline == null)
{
throw new Exception("章节不存在");
}
dic.Add("Name", outline.Ol_Name);
Song.Entities.Course course = Business.Do <ICourse>().CourseSingle(outline.Cou_ID);
if (course == null)
{
throw new Exception("课程不存在");
}
dic.Add("Course", course.Cou_Name);
Song.Entities.Organization orgin;
//是否限制在桌面应用中打开
dic.Add("DeskAllow", this.getDeskallow(course, outline, out orgin));
//是否在切换浏览器时继续播放
dic.Add("SwitchPlay", this.getSwitchPlay(course, acc, orgin));
//是否免费，或是限时免费
if (course.Cou_IsLimitFree)
{
DateTime freeEnd = course.Cou_FreeEnd.AddDays(1).Date;
if (!(course.Cou_FreeStart <= DateTime.Now && freeEnd >= DateTime.Now))
{
course.Cou_IsLimitFree = false;
}
}
//是否可以学习，是否购买
bool isStudy = false, isBuy = false, canStudy = false;
if (acc != null)
{
isStudy = Business.Do <ICourse>().Study(course.Cou_ID, acc.Ac_ID);
isBuy = course.Cou_IsFree || course.Cou_IsLimitFree ? true : Business.Do <ICourse>().IsBuy(course.Cou_ID, acc.Ac_ID);
//学习记录
Song.Entities.LogForStudentStudy studyLog = Business.Do <IStudent>().LogForStudySingle(acc.Ac_ID, outline.Ol_ID);
dic.Add("StudyTime", studyLog != null ? studyLog.Lss_StudyTime : 0);
dic.Add("PlayTime", studyLog != null ? studyLog.Lss_PlayTime : 0);
}
dic.Add("isStudy", isStudy);
dic.Add("isBuy", isBuy);
//是否可以学习,如果是免费或已经选修便可以学习，否则当前课程允许试用且当前章节是免费的，也可以学习
canStudy = isBuy || (isStudy && outline.Ol_IsUse && outline.Ol_IsFinish && course.Cou_IsTry && outline.Ol_IsFree);
dic.Add("canStudy", canStudy);
//是否有知识库
int knlCount = Business.Do <IKnowledge>().KnowledgeOfCount(-1, course.Cou_ID, -1, true);
dic.Add("isKnl", knlCount > 0 && canStudy);
//是否有视频，是否为外链视频
List <Song.Entities.Accessory> videos = Business.Do <IAccessory>().GetAll(outline.Ol_UID, "CourseVideo");
bool existVideo = videos.Count > 0;
dic.Add("outerVideo", existVideo && (videos.Count > 0 && videos[0].As_IsOuter)); //站外视频,包括其它网站的视频，或是视频播放链接
dic.Add("otherVideo", existVideo && (videos.Count > 0 && videos[0].As_IsOther)); //其它视频平台的链接
if (videos.Count > 0)
{
string videoUrl = existVideo ? videos[0].As_FileName : string.Empty; //视频地址
//如果是内部链接
if (existVideo && !videos[0].As_IsOuter)
{
videoUrl = Upload.Get[videos[0].As_Type].Virtual + videoUrl;
string ext = System.IO.Path.GetExtension(videoUrl).ToLower();
if (ext == ".flv")
{
videoUrl = Path.ChangeExtension(videoUrl, ".mp4");
}
}
dic.Add("urlVideo", canStudy ? videoUrl : string.Empty);
outline.Ol_IsLive = false;
}
//直播
bool isLive = outline.Ol_IsLive, isLiving = false;
if (outline.Ol_IsLive)
{
string urlVideo = string.Empty;
if (canStudy)
{
//查询直播状态
pili_sdk.pili.StreamStatus status = Pili.API <IStream>().Status(outline.Ol_LiveID);
if (status != null)
{
pili_sdk.pili.Stream stream = status.Stream;
string proto = Business.Do <ILive>().GetProtocol; //协议，http还是https
urlVideo = string.Format("{0}://{1}/{2}/{3}.m3u8", proto, stream.LiveHlsHost, stream.HubName, stream.Title);
isLiving = status.Status == "connected"; //正在直播
existVideo = isLiving ? false : existVideo;
}
}
//直播播放地址
if (!dic.ContainsKey("urlVideo"))
{
dic.Add("urlVideo", urlVideo);
}
//直播开始或结束
dic.Add("LiveStart", DateTime.Now > outline.Ol_LiveTime);
dic.Add("LiveOver", outline.Ol_LiveTime.AddMinutes(outline.Ol_LiveSpan) < DateTime.Now);
}
dic.Add("isLive", outline.Ol_IsLive); //是否为直播章节
dic.Add("isLiving", isLiving && canStudy); //是否在直播中
dic.Add("existVideo", existVideo && canStudy);
//是否有课程内容
bool isContext = !string.IsNullOrWhiteSpace(outline.Ol_Intro);
dic.Add("isContext", isContext && canStudy);
//是否有试题
bool isQues = Business.Do <IOutline>().OutlineIsQues(outline.Ol_ID, true);
dic.Add("isQues", isQues && canStudy);
//是否有附件
int accessCount = Business.Do <IAccessory>().OfCount(outline.Ol_UID, "Course");
dic.Add("isAccess", accessCount > 0 && canStudy);
//啥都没有（视频，内容，附件，试题，都没有）
bool isNull = !(existVideo || isLive || isContext || isQues || isQues || accessCount > 0);
dic.Add("isNull", isNull || !canStudy);
return(dic);
}
/// <summary>
/// 获取直播流
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public pili_sdk.pili.Stream StreamGet(string name)
{
return(Pili.API <IStream>().GetForTitle(name));
}
public bool Test(string accesskey, string secretkey, string hubname)
{
return(Pili.API <IStream>().Test(accesskey, secretkey, hubname, "v1"));
}
