public PlaylistSegment CreateSegment(DateTime startTime, IPlayItem playItem)
{
return(new PlaylistSegment(startTime, playItem)
{
IsDirty = true
});
}
/// <summary>
/// 在指定的播出项之后添加一条顺播。
/// </summary>
/// <param name="prevItem"></param>
/// <param name="newItem"></param>
public void AddAuto(IPlayItem prevItem, IPlayItem newItem)
{
Debug.Assert(newItem.ScheduleMode == PlayScheduleMode.Auto);
//if (_playlist.IsLocked(prevItem)) throw new PlayItemLockedException();
var segment = FindSegment(prevItem);
DateTime startTime, stopTime;
int beginIndex, endIndex;
if (segment.Head == null)
{
startTime = segment.StartTime;
beginIndex = segment.BeginIndex;
}
else
{
startTime = segment.Head.CalculatedStopTime;
beginIndex = segment.BeginIndex + 1;
}
stopTime = segment.StopTime;
endIndex = segment.EndIndex;
this.Rebuild(startTime, stopTime, beginIndex, endIndex, (items) =>
{
// NOTE: FindIndex maybe -1 in case of prevItem is Timing
var i = items.FindIndex(si => si.PlayItem == prevItem);
items.Insert(i + 1, new ScheduleItem(newItem));
});
}
/// <summary>
/// 把指定的顺播下移一个位置。
/// </summary>
/// <param name="playItem"></param>
public void MoveDown(IPlayItem playItem)
{
Debug.Assert(playItem.ScheduleMode == PlayScheduleMode.Auto);
//if (_playlist.IsLocked(playItem)) throw new PlayItemLockedException();
if (_playlist[_playlist.Count - 1] == playItem)
{
return;
}
//var index = _playlist.FindFirstIndex(i => i == playItem);
var index = _playlist.FindIndex(i => i.PlayItem == playItem);
if (index == -1)
{
throw new ArgumentException();
}
var newPrevItem = _playlist[index + 1];
//Reorder(newPrevItem, playItem);
Reorder(newPrevItem.PlayItem, playItem);
}
/// <summary>
/// Set the current item for playing.
/// </summary>
/// <param name="index">Position in list</param>
public void SetItem(int index)
{
lock (this.SyncRoot)
{
if (index < 0 || index >= _items.Count)
{
return;
}
Stop();
_currentItemIndex = index;
IPlayItem item = _items[_currentItemIndex] as IPlayItem;
try
{
_engine.Play(item);
}
catch (IOException ex)
{
log.Error("SetItem caught a IOException", ex);
}
catch (StreamNotFoundException)
{
// let the engine retain the STOPPED state
// and wait for control from outside
log.Debug("SetItem caught a StreamNotFoundException");
}
catch (NotSupportedException ex)
{
log.Error("Illegal state exception on playlist item setup", ex);
}
}
}
public void AddTimingItem(IPlayItem playItem)
{
//LogAction();
Debug.Assert(playItem.PlaybillItem.ScheduleMode == PlayScheduleMode.Timing);
ValidateTimeRange(playItem);
if (_segments.IsEmpty)
{
if (_buildOption.RequireFirstTimingItem && playItem.StartTime != _buildOption.PlayTimeRange.StartTime)
{
throw new ArgumentException($"第一个定时播开始时间必须是{_buildOption.PlayTimeRange.StartTime}");
}
if (playItem.StartTime != _buildOption.PlayTimeRange.StartTime)
{
TimeSpan duration = _buildOption.PlayTimeRange.StartTime.Subtract(playItem.StartTime);
if (!ValidatePlayDuration(duration))
{
throw new InvalidOperationException("操作无效，该操作将产生播放时长小于最小播放时长的自动垫片");
}
_segments.AddLast(_segments.CreateSegment(_buildOption.PlayTimeRange.StartTime));
}
var segment = _segments.CreateSegment(playItem);
_segments.AddLast(segment);
}
else
{
_segments.LastSegment.Add(playItem);
}
}
/// <summary>
/// 在列表末尾添加一个顺播。
/// </summary>
/// <param name="playItem"></param>
public void AddAuto(IPlayItem playItem)
{
Debug.Assert(playItem.ScheduleMode == PlayScheduleMode.Auto);
var prevTuple = FindLastTiming(i => true);
DateTime startTime, stopTime = DateTime.MaxValue;
int beginIndex, endIndex = _playlist.Count - 1;
if (prevTuple.Item2 == -1)
{
if (_playlist.Count > 0)
{
startTime = _playlist[0].StartTime;
beginIndex = 0;
}
else
{
var playlistStartTime = GetPlaylistStartTime();
if (playlistStartTime == null)
{
throw new InvalidOperationException("第一个播放项必须是定时播。");
}
startTime = playlistStartTime.Value;
beginIndex = 0;
}
}
else
{
startTime = prevTuple.Item1.CalculatedStopTime;
beginIndex = prevTuple.Item2 + 1;
}
Rebuild(startTime, stopTime, beginIndex, endIndex, (items) => items.Add(new ScheduleItem(playItem)));
}
public void AddAutoItem(IPlayItem playItem, IPlayItem prevItem)
{
Debug.Assert(playItem.PlaybillItem.ScheduleMode == PlayScheduleMode.Auto);
if (_segments.IsEmpty)
{
if (_buildOption.RequireFirstTimingItem)
{
throw new InvalidOperationException("第一个播放项必须是定时播。");
}
var newSegment = _segments.CreateSegment(_buildOption.PlayTimeRange.StartTime, playItem);
_segments.AddLast(newSegment);
}
else
{
PlaylistSegment segment = prevItem != null?
_segments.FindLastSegment((s) => s.Contains(prevItem)) : _segments.LastSegment;
if (segment == null)
{
throw new ArgumentException();
}
if (prevItem == null)
{
segment.Add(playItem);
}
else
{
segment.InsertAuto(playItem, prevItem);
}
}
}
public void AddTimingBreakItem(IPlayItem playItem)
{
Debug.Assert(playItem.PlaybillItem.ScheduleMode == PlayScheduleMode.TimingBreak);
ValidateTimeRange(playItem);
if (_segments.IsEmpty)
{
if (_buildOption.RequireFirstTimingItem)
{
throw new InvalidOperationException("第一个播放项必须是定时播。");
}
var newSegment = _segments.CreateSegment(_buildOption.PlayTimeRange.StartTime, playItem);
_segments.AddLast(newSegment);
}
else
{
var segment = _segments.FindLastSegment((s) => s.StartTime <= playItem.StartTime);
if (segment == null)
{
throw new ArgumentException();
}
segment.Add(playItem);
}
}
public void AddItem(IPlayItem item, int index)
{
lock (this.SyncRoot)
{
_items.Insert(index, item);
}
}
public void AddItem(IPlayItem item)
{
lock (this.SyncRoot)
{
_items.Add(item);
}
}
public PlaylistSegment CreateSegment(IPlayItem playItem)
{
return(new PlaylistSegment(playItem)
{
IsDirty = true
});
}
// case1: 当mediaSource为null，newPlayRange不为null时只改变入出点。
// case2: 当mediaSource不为null，newPlayRange为null时等长替换媒体源。
// case3: 当mediaSource不为null，newPlayRange不为null时变长替换媒体源。
private void ChangeMediaSourceInternal(IPlayItem playItem, IMediaSource mediaSource, PlayRange?newPlayRange)
{
//if (_playlist.IsLocked(playItem)) throw new PlayItemLockedException();
if (mediaSource == null && newPlayRange == null)
{
return;
}
if (mediaSource == null && newPlayRange.Value == playItem.PlayRange)
{
return;
}
if (newPlayRange != null && (playItem.ScheduleMode == PlayScheduleMode.Timing || playItem.ScheduleMode == PlayScheduleMode.TimingBreak))
{
//_playlist.ValidateTimeRange(playItem.StartTime, newPlayRange.Value.Duration, playItem);
ValidateTimeRange(playItem.StartTime, newPlayRange.Value.Duration, playItem);
}
PlayRange playRange = newPlayRange ?? new PlayRange(TimeSpan.Zero, playItem.CalculatedPlayDuration /*playItem.PlayRange.Duration*/);
if (mediaSource == null)
{
mediaSource = playItem.MediaSource; //.Clone();
}
var newPlaySource = new PlaySource(mediaSource, playRange, playItem.CGItems);
IPlayItem newPlayItem = null;
switch (playItem.ScheduleMode)
{
case PlayScheduleMode.Timing:
newPlayItem = (IPlayItem)PlaybillItem.Timing(newPlaySource, playItem.StartTime);
break;
case PlayScheduleMode.TimingBreak:
newPlayItem = (IPlayItem)PlaybillItem.TimingBreak(newPlaySource, playItem.StartTime);
break;
case PlayScheduleMode.Auto:
newPlayItem = new AutoPlayItem(PlaybillItem.Auto(newPlaySource));
break;
}
var segment = this.FindSegment(playItem);
DateTime startTime = segment.StartTime;
int beginIndex = segment.BeginIndex;
DateTime stopTime = segment.StopTime;
int endIndex = segment.EndIndex;
Rebuild(startTime, stopTime, beginIndex, endIndex, (items) =>
{
var i = items.FindIndex(si => si.PlayItem == playItem);
items[i] = new ScheduleItem(newPlayItem);
});
}
//locked
//[MethodImpl(MethodImplOptions.Synchronized)]
private void ItemPlayStart()
{
//IPlayItem playItem;
FileNameAndDemo playMedia = m_MediaQueue.Peek();
string extension = Path.GetExtension(playMedia.FileName);
Debug.Assert(extension.Length > 0);
_Media media = m_IMediaManager.GetMedia(extension);
//IMPORTANT DirectXException Handling
switch (media.MediaType)
{
case MediaTypes.Audio:
m_PlayItem = new AudioPlayItem(playMedia.FileName, playMedia.Demo);
break;
case MediaTypes.Video:
m_PlayItem = new VideoPlayItem(playMedia.FileName, playMedia.Demo);
break;
case MediaTypes.Karaoke:
m_PlayItem = new KarPlayItem(playMedia.FileName, playMedia.Demo);
break;
}
/*MediaItemInfo tempItemInfo;
* Program.TryGetPlayItemInfoByExtension(
* Path.GetExtension(playMedia.FullName).ToLower(), out tempItemInfo);*/
//_Media media;
//MediaManager.Instance.TryGetMedia(playMedia.FileName, out media);
m_PlayItem.Volume = m_PlayItem.IsDemo ? media.DemoVolume : media.OrderVolume;
m_PlayItem.Play();
}
public bool CanEdit(IPlayItem playItem, EditOption option, object context = null)
{
switch (option)
{
case EditOption.Duration:
return(!playItem.IsAutoPadding() && (playItem.MediaSource is IChannelMediaSource));
case EditOption.StartTime:
return(playItem.ScheduleMode == PlayScheduleMode.Timing || playItem.ScheduleMode == PlayScheduleMode.TimingBreak);
case EditOption.SourceAndPlayRange:
return(true);
case EditOption.SourceOnly:
PlayRange newRange = (PlayRange)context;
return(newRange.Duration >= playItem.CalculatedPlayDuration);
case EditOption.ScheduleMode:
PlayScheduleMode newMode = (PlayScheduleMode)context;
return((newMode != playItem.ScheduleMode) && (newMode == PlayScheduleMode.Auto || !playItem.IsAutoPadding()));
case EditOption.Move:
return(!playItem.IsAutoPadding() && playItem.ScheduleMode == PlayScheduleMode.Auto);
}
return(false);
}
public ScheduleItem(IPlayItem playItem)
{
_isDirty = false;
_playItem = playItem;
_startTime = _playItem.StartTime;
_calculatedPlayDuration = _playItem.PlaybillItem.PlayRange.Duration; // _playItem.CalculatedPlayDuration;
}
public void ForcePlay(IPlayItem currentItem, IPlayItem forcedItem)
{
this.Delete(forcedItem);
DateTime stopTime;
int beginIndex;
var startTime = DateTime.Now.AddSeconds(1.0);
var currentIndex = _playlist.FindIndex(i => i.PlayItem == currentItem);
beginIndex = currentIndex + 1;
Tuple <ScheduleItem, int> temp = FindFirstTiming(beginIndex, (i) => true);
int endIndex;
if (temp.Item1 != null)
{
stopTime = temp.Item1.StartTime;
endIndex = temp.Item2 - 1;
}
else
{
stopTime = DateTime.MaxValue;
endIndex = _playlist.Count - 1;
}
// 调整当前项的播放时长（入出点）
// 复制当前项，并调整时长。
var startOffset = startTime.Subtract(currentItem.StartTime);
var newRange = new PlayRange(currentItem.CalculatedPlayRange.StartPosition + startOffset,
currentItem.CalculatedPlayRange.Duration - startOffset);
var copyItem = new AutoPlayItem(new AutoPlaybillItem(currentItem.PlaybillItem.PlaySource.Clone(newRange)));
//if (segment.Head == null)
//{
// startTime = segment.StartTime;
// beginIndex = segment.BeginIndex;
//}
//else
//{
// startTime = segment.Head.CalculatedStopTime;
// beginIndex = segment.BeginIndex + 1;
//}
//stopTime = segment.StopTime;
//endIndex = segment.EndIndex;
this.Rebuild(startTime, stopTime, beginIndex, endIndex, (items) =>
{
// 插入复制项和forcedItem。
items.Insert(0, new ScheduleItem(copyItem));
items.Insert(0, new ScheduleItem(forcedItem));
});
}
internal void Split(TimeSpan duration, out ScheduleItem first, out ScheduleItem second)
{
IPlayItem firstItem = null, secondItem = null;
_playItem.Split(duration, out firstItem, out secondItem);
first = new ScheduleItem(firstItem);
second = new ScheduleItem(secondItem);
}
private void AddNewTimingBreakItem(IPlayItem playItem)
{
if (_newTimingBreakItems == null)
{
_newTimingBreakItems = new SortedList <DateTime, IPlayItem>();
}
_newTimingBreakItems.Add(playItem.StartTime, playItem);
}
public void PlayQueued(IPlayItem playItem)
{
lock (_lockObj)
{
RemoveSameEvents(playItem.EventCode);
_playList.AddLast(playItem);
}
}
private static PlayItemAddContext CreateContext(IPlayItem playItem, PlayScheduleMode scheduleMode)
{
return(new PlayItemAddContext
{
PlayItem = playItem,
ScheduleMode = scheduleMode
});
}
private void PlayQueued(AudioDeviceMgr mgr, IPlayItem playItem)
{
if (GameRunning)
{
mgr.PlayQueued(playItem);
OnPlayRequest?.Invoke();
}
}
public void PlayNow(IPlayItem playItem)
{
lock (_lockObj)
{
_playList.Clear();
_device.Stop();
_playList.AddLast(playItem);
}
}
public void Split(TimeSpan duration, out IPlayItem first, out IPlayItem second)
{
PlayRange firstRange, secondRange;
FCSPlayout.Domain.PlayRange.Split(this.PlayRange, duration, out firstRange, out secondRange);
first = new AutoPlayItem(this.PlaybillItem.Clone(firstRange), firstRange);
second = new AutoPlayItem(this.PlaybillItem.Clone(secondRange), secondRange);
}
internal BindablePlayItem CreateBindablePlayItem(IPlayItem playItem)
{
string filePath = null;
if (playItem.MediaSource.Category == MediaSourceCategory.File)
{
filePath = _filePathResolver.Resolve(((AppInfrastructure.FileMediaSource)playItem.MediaSource).FileName);
}
return(new BindablePlayItem(playItem, filePath, _itemEditFactory));
}
public static bool IsAutoPadding(this IPlayItem playItem)
{
var autoItem = playItem as AutoPlayItem;
if (autoItem != null)
{
return(autoItem.IsAutoPadding);
}
return(false);
}
/// <summary>
/// Set the current item for playing.
/// </summary>
/// <param name="index">Position in list</param>
public void SetItem(int index)
{
lock (this.SyncRoot)
{
if (index < 0 || index >= _items.Count)
return;
Stop();
_currentItemIndex = index;
IPlayItem item = _items[_currentItemIndex] as IPlayItem;
Play(item);
}
}
/// <summary>
/// Go for next item decided by controller logic.
/// </summary>
public void NextItem()
{
lock (this.SyncRoot)
{
Stop();
MoveToNext();
if (_currentItemIndex == -1)
return;
IPlayItem item = _items[_currentItemIndex] as IPlayItem;
Play(item);
}
}
internal void InsertAuto(IPlayItem playItem, IPlayItem prevItem)
{
int index = _playItems.IndexOf(prevItem);
if (index < 0)
{
throw new InvalidOperationException();
}
_playItems.Insert(index + 1, playItem);
this.IsDirty = true;
}
/// <summary>
/// Notifies subscribers on item stop
/// </summary>
/// <param name="item">Item that just has been stopped.</param>
internal void NotifyItemStop(IPlayItem item)
{
IStreamAwareScopeHandler handler = GetStreamAwareHandler();
if (handler != null)
{
try {
handler.StreamPlaylistItemStop(this, item);
} catch (Exception ex) {
log.Error("Error notify streamPlaylistItemStop", ex);
}
}
}
/// <summary>
/// Notify on item seek
/// </summary>
/// <param name="item">Playlist item.</param>
/// <param name="position">Seek position.</param>
internal void NotifyItemSeek(IPlayItem item, int position)
{
IStreamAwareScopeHandler handler = GetStreamAwareHandler();
if (handler != null)
{
try {
handler.StreamPlaylistVODItemSeek(this, item, position);
} catch (Exception ex) {
log.Error("Error notify streamPlaylistVODItemSeek", ex);
}
}
}
public void AddItem(IPlayItem item) {
lock (this.SyncRoot) {
_items.Add(item);
}
}
/// <summary>
/// Play stream
/// </summary>
/// <param name="item">Playlist item.</param>
/// <param name="withReset">Send reset status before playing.</param>
public void Play(IPlayItem item, bool withReset)
{
lock (this.SyncRoot)
{
// Can't play if state is not stopped
if (_playlistSubscriberStream.State != State.STOPPED)
throw new IllegalStateException();
if (_msgIn != null)
{
_msgIn.Unsubscribe(this);
_msgIn = null;
}
// Play type determination
// http://livedocs.adobe.com/flex/3/langref/flash/net/NetStream.html#play%28%29
// The start time, in seconds. Allowed values are -2, -1, 0, or a positive number.
// The default value is -2, which looks for a live stream, then a recorded stream,
// and if it finds neither, opens a live stream.
// If -1, plays only a live stream.
// If 0 or a positive number, plays a recorded stream, beginning start seconds in.
//
// -2: live then recorded, -1: live, >=0: recorded
int type = (int)(item.Start / 1000);
// see if it's a published stream
IScope thisScope = _playlistSubscriberStream.Scope;
string itemName = item.Name;
//check for input and type
InputType sourceType = _providerService.LookupProviderInputType(thisScope, itemName);
bool isPublishedStream = sourceType == InputType.Live;
bool isFileStream = sourceType == InputType.Vod;
bool sendNotifications = true;
// decision: 0 for Live, 1 for File, 2 for Wait, 3 for N/A
switch (type)
{
case -2:
if (isPublishedStream)
_playDecision = 0;
else if (isFileStream)
_playDecision = 1;
else
_playDecision = 2;
break;
case -1:
if (isPublishedStream)
_playDecision = 0;
else
_playDecision = 2;
break;
default:
if (isFileStream)
_playDecision = 1;
break;
}
if (log.IsDebugEnabled)
log.Debug(string.Format("Play decision is {0} (0=Live, 1=File, 2=Wait, 3=N/A)", _playDecision));
_currentItem = item;
long itemLength = item.Length;
switch (_playDecision)
{
case 0:
//get source input without create
_msgIn = _providerService.GetLiveProviderInput(thisScope, itemName, false);
// Drop all frames up to the next keyframe
_videoFrameDropper.Reset(FrameDropperState.SEND_KEYFRAMES_CHECK);
if (_msgIn is IBroadcastScope)
{
// Send initial keyframe
IClientBroadcastStream stream = (_msgIn as IBroadcastScope).GetAttribute(Constants.BroadcastScopeStreamAttribute) as IClientBroadcastStream;
if (stream != null && stream.CodecInfo != null)
{
IVideoStreamCodec videoCodec = stream.CodecInfo.VideoCodec;
if (videoCodec != null)
{
if (withReset)
{
SendReset();
SendResetStatus(item);
SendStartStatus(item);
}
sendNotifications = false;
//send decoder configuration if it exists
ByteBuffer config = videoCodec.GetDecoderConfiguration();
if (config != null)
{
VideoData conf = new VideoData(config);
try
{
conf.Timestamp = 0;
RtmpMessage confMsg = new RtmpMessage();
confMsg.body = conf;
_msgOut.PushMessage(confMsg);
}
finally
{
//conf.release();
}
}
//Check for a keyframe to send
ByteBuffer keyFrame = videoCodec.GetKeyframe();
if (keyFrame != null)
{
VideoData video = new VideoData(keyFrame);
try
{
video.Timestamp = 0;
RtmpMessage videoMsg = new RtmpMessage();
videoMsg.body = video;
_msgOut.PushMessage(videoMsg);
// Don't wait for keyframe
_videoFrameDropper.Reset();
}
finally
{
//video.release();
}
}
}
}
}
_msgIn.Subscribe(this, null);
break;
case 2:
//get source input with create
_msgIn = _providerService.GetLiveProviderInput(thisScope, itemName, true);
_msgIn.Subscribe(this, null);
_waiting = true;
if (type == -1 && itemLength >= 0)
{
//log.debug("Creating wait job");
// Wait given timeout for stream to be published
PlaylistSubscriberStreamJob1 job = new PlaylistSubscriberStreamJob1(this, itemName);
_waitLiveJob = _schedulingService.AddScheduledOnceJob(item.Length, job);
}
else if (type == -2)
{
//log.debug("Creating wait job");
// Wait x seconds for the stream to be published
PlaylistSubscriberStreamJob2 job = new PlaylistSubscriberStreamJob2(this, itemName);
_waitLiveJob = _schedulingService.AddScheduledOnceJob(15000, job);
}
else
{
ConnectToProvider(itemName);
}
break;
case 1:
_msgIn = _providerService.GetVODProviderInput(thisScope, itemName);
if (_msgIn == null)
{
SendStreamNotFoundStatus(_currentItem);
throw new StreamNotFoundException(itemName);
}
if (!_msgIn.Subscribe(this, null))
{
log.Error("Input source subscribe failed");
}
break;
default:
SendStreamNotFoundStatus(_currentItem);
throw new StreamNotFoundException(itemName);
}
_playlistSubscriberStream.State = State.PLAYING;
IMessage msg = null;
_streamOffset = 0;
_streamStartTS = -1;
if (_playDecision == 1)
{
if (withReset)
{
ReleasePendingMessage();
}
SendVODInitCM(_msgIn, item);
// Don't use pullAndPush to detect IOExceptions prior to sending NetStream.Play.Start
if (item.Start > 0)
{
_streamOffset = SendVODSeekCM(_msgIn, (int)item.Start);
// We seeked to the nearest keyframe so use real timestamp now
if (_streamOffset == -1)
{
_streamOffset = (int)item.Start;
}
}
msg = _msgIn.PullMessage();
if (msg is RtmpMessage)
{
IRtmpEvent body = ((RtmpMessage)msg).body;
if (itemLength == 0)
{
// Only send first video frame
body = ((RtmpMessage)msg).body;
while (body != null && !(body is VideoData))
{
msg = _msgIn.PullMessage();
if (msg == null)
break;
if (msg is RtmpMessage)
body = ((RtmpMessage)msg).body;
}
}
if (body != null)
{
// Adjust timestamp when playing lists
body.Timestamp = body.Timestamp + _timestampOffset;
}
}
}
if (sendNotifications)
{
if (withReset)
{
SendReset();
SendResetStatus(item);
}
SendStartStatus(item);
if (!withReset)
{
SendSwitchStatus();
}
}
if (msg != null)
{
SendMessage((RtmpMessage)msg);
}
_playlistSubscriberStream.NotifyItemPlay(_currentItem, !_isPullMode);
if (withReset)
{
long currentTime = System.Environment.TickCount;
_playbackStart = currentTime - _streamOffset;
_nextCheckBufferUnderrun = currentTime + _bufferCheckInterval;
if (_currentItem.Length != 0)
{
EnsurePullAndPushRunning();
}
}
}
}
/// <summary>
/// Play stream.
/// </summary>
/// <param name="item">Playlist item.</param>
public void Play(IPlayItem item)
{
Play(item, true);
}
/// <summary>
/// Send VOD init control message
/// </summary>
/// <param name="msgIn"></param>
/// <param name="item"></param>
private void SendVODInitCM(IMessageInput msgIn, IPlayItem item)
{
OOBControlMessage oobCtrlMsg = new OOBControlMessage();
oobCtrlMsg.Target = typeof(IPassive).Name;
oobCtrlMsg.ServiceName = "init";
oobCtrlMsg.ServiceParameterMap.Add("startTS", item.Start);
_msgIn.SendOOBControlMessage(this, oobCtrlMsg);
}
/// <summary>
/// Play a specific IPlayItem.
/// The strategy for now is VOD first, Live second.
/// </summary>
/// <param name="item">Item to play</param>
protected void Play(IPlayItem item)
{
// Return if already playing
if (_state != State.STOPPED)
return;
// Assume this is not live stream
bool isLive = false;
IProviderService providerService = ScopeUtils.GetScopeService(this.Scope, typeof(IProviderService)) as IProviderService;
_msgIn = providerService.GetVODProviderInput(this.Scope, item.Name);
if (_msgIn == null)
{
_msgIn = providerService.GetLiveProviderInput(this.Scope, item.Name, true);
isLive = true;
}
if (_msgIn == null)
{
log.Warn("Can't get both VOD and Live input from providerService");
return;
}
_state = State.PLAYING;
_currentItem = item;
SendResetMessage();
_msgIn.Subscribe(this, null);
if (isLive)
{
if (item.Length >= 0)
{
PlayItemScheduledJob job = new PlayItemScheduledJob(this);
_liveJobName = _schedulingService.AddScheduledOnceJob(item.Length, job);
}
}
else
{
long start = item.Start;
if (start < 0)
start = 0;
SendVODInitCM(_msgIn, (int)start);
StartBroadcastVOD();
}
}
/// <summary>
/// Send unpublished status notification
/// </summary>
/// <param name="item"></param>
private void SendUnpublishedStatus(IPlayItem item)
{
StatusASO unpublished = new StatusASO(StatusASO.NS_PLAY_UNPUBLISHNOTIFY);
unpublished.clientid = this.StreamId;
unpublished.details = item.Name;
StatusMessage unpublishedMsg = new StatusMessage();
unpublishedMsg.body = unpublished;
DoPushMessage(unpublishedMsg);
}
/// <summary>
/// Send resume status notification
/// </summary>
/// <param name="item"></param>
private void SendResumeStatus(IPlayItem item)
{
StatusASO resume = new StatusASO(StatusASO.NS_UNPAUSE_NOTIFY);
resume.clientid = this.StreamId;
resume.details = item.Name;
StatusMessage resumeMsg = new StatusMessage();
resumeMsg.body = resume;
DoPushMessage(resumeMsg);
}
/// <summary>
/// Send pause status notification
/// </summary>
/// <param name="item"></param>
private void SendPauseStatus(IPlayItem item)
{
StatusASO pause = new StatusASO(StatusASO.NS_PAUSE_NOTIFY);
pause.clientid = this.StreamId;
pause.details = item.Name;
StatusMessage pauseMsg = new StatusMessage();
pauseMsg.body = pause;
DoPushMessage(pauseMsg);
}
/// <summary>
/// Notify on item seek
/// </summary>
/// <param name="item">Playlist item.</param>
/// <param name="position">Seek position.</param>
internal void NotifyItemSeek(IPlayItem item, int position) {
IStreamAwareScopeHandler handler = GetStreamAwareHandler();
if (handler != null) {
try {
handler.StreamPlaylistVODItemSeek(this, item, position);
} catch (Exception ex) {
log.Error("Error notify streamPlaylistVODItemSeek", ex);
}
}
}
/// <summary>
/// Send playback stoppage status notification
/// </summary>
/// <param name="item"></param>
private void SendStopStatus(IPlayItem item)
{
StatusASO stop = new StatusASO(StatusASO.NS_PLAY_STOP);
stop.clientid = this.StreamId;
stop.description = "Stopped playing " + item.Name + ".";
stop.details = item.Name;
StatusMessage stopMsg = new StatusMessage();
stopMsg.body = stop;
DoPushMessage(stopMsg);
}
/// <summary>
/// Send playback start status notification
/// </summary>
/// <param name="item"></param>
private void SendStartStatus(IPlayItem item)
{
StatusASO start = new StatusASO(StatusASO.NS_PLAY_START);
start.clientid = this.StreamId;
start.details = item.Name;
start.description = "Started playing " + item.Name + '.';
StatusMessage startMsg = new StatusMessage();
startMsg.body = start;
DoPushMessage(startMsg);
}
/// <summary>
/// Send reset status for item
/// </summary>
/// <param name="item"></param>
private void SendResetStatus(IPlayItem item)
{
StatusASO reset = new StatusASO(StatusASO.NS_PLAY_RESET);
reset.clientid = this.StreamId;
reset.details = item.Name;
reset.description = "Playing and resetting " + item.Name + '.';
StatusMessage resetMsg = new StatusMessage();
resetMsg.body = reset;
DoPushMessage(resetMsg);
}
public void AddItem(IPlayItem item, int index) {
lock (this.SyncRoot) {
_items.Insert(index, item);
}
}
/// <summary>
/// Notifies subscribers on item stop
/// </summary>
/// <param name="item">Item that just has been stopped.</param>
internal void NotifyItemStop(IPlayItem item) {
IStreamAwareScopeHandler handler = GetStreamAwareHandler();
if (handler != null) {
try {
handler.StreamPlaylistItemStop(this, item);
} catch (Exception ex) {
log.Error("Error notify streamPlaylistItemStop", ex);
}
}
}
/// <summary>
/// Stream not found status notification
/// </summary>
/// <param name="item"></param>
private void SendStreamNotFoundStatus(IPlayItem item)
{
StatusASO notFound = new StatusASO(StatusASO.NS_PLAY_STREAMNOTFOUND);
notFound.clientid = this.StreamId;
notFound.level = StatusASO.ERROR;
notFound.details = item.Name;
StatusMessage notFoundMsg = new StatusMessage();
notFoundMsg.body = notFound;
DoPushMessage(notFoundMsg);
}
/// <summary>
/// Send seek status notification
/// </summary>
/// <param name="item"></param>
/// <param name="position"></param>
private void SendSeekStatus(IPlayItem item, int position)
{
StatusASO seek = new StatusASO(StatusASO.NS_SEEK_NOTIFY);
seek.clientid = this.StreamId;
seek.details = item.Name;
seek.description = "Seeking " + position + " (stream ID: " + this.StreamId + ").";
StatusMessage seekMsg = new StatusMessage();
seekMsg.body = seek;
DoPushMessage(seekMsg);
}
/// <summary>
/// Insufficient bandwidth notification
/// </summary>
/// <param name="item"></param>
private void SendInsufficientBandwidthStatus(IPlayItem item)
{
StatusASO insufficientBW = new StatusASO(StatusASO.NS_PLAY_INSUFFICIENT_BW);
insufficientBW.clientid = this.StreamId;
insufficientBW.level = StatusASO.WARNING;
insufficientBW.details = item.Name;
insufficientBW.description = "Data is playing behind the normal speed.";
StatusMessage insufficientBWMsg = new StatusMessage();
insufficientBWMsg.body = insufficientBW;
DoPushMessage(insufficientBWMsg);
}
