/*
* private ;
* private ;
*
* private ;
* private ;
*/
public void Init(string filePath, PlayRange playRange, MPlaylistSettings mplaylistSettings,
Func <bool> canSetInAction, Action <double> setInAction, Func <bool> canSetOutAction, Action <double> setOutAction)
{
var timer = new DispatcherTimer();
timer.Interval = TimeSpan.FromMilliseconds(33);
if (_player == null)
{
_player = new PlayControlModel2.Player2(mplaylistSettings);
}
_viewModel = new PlayControlModel2(timer /*,this.Dispatcher*/, mplaylistSettings, _player)
{
_canSetOutAction = canSetOutAction,
_canSetInAction = canSetInAction,
_setInAction = setInAction,
_setOutAction = setOutAction
};
_viewModel.Opened += OnOpened;
_viewModel.Closed += OnClosed;
_viewModel.FileName = filePath;
_viewModel.PlayRange = playRange;
this.DataContext = _viewModel;
}
public static MediaItem FromEntity(MediaFileEntity entity)
{
MediaSourceBase source = new FileMediaSource(entity);
PlayRange playRange = new PlayRange(TimeSpan.FromSeconds(entity.MarkerIn), TimeSpan.FromSeconds(entity.MarkerDuration));
return(new MediaItem(source, playRange));
}
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 void SetLoopRange(PlayRange range)
{
lock (objLock)
{
loopRange = range;
}
}
public override PlayRange?Adjust(PlayRange playRange)
{
if (playRange.StartPosition == TimeSpan.Zero && playRange.Duration == this.Duration.Value)
{
return(null);
}
return(playRange);
}
public ChannelItemListViewModel(IRegionManager regionManager)
{
this.Channels = new List <ChannelMediaSource>(PlayoutRepository.GetChannelInfos(true).Select(i => new ChannelMediaSource(i)));
// TODO: 从配置中获取默认时长。
_playRange = new PlayRange(TimeSpan.FromMinutes(30));
_regionManager = regionManager;
}
/// <summary>
/// Sets the range of the sound to play.
/// </summary>
/// <param name="range">a PlayRange structure that describes the starting offset and ending point of the sound to play in seconds.</param>
public override void SetPlayRange(PlayRange range)
{
lock (rangeLock)
{
playRange = range;
}
base.SetPlayRange(range);
}
partial void UpdateImpl(ref TimeSpan elapsed)
{
if (videoOutputSurface == null || PlayState == PlayState.Stopped)
{
return;
}
//Transfer frame if a new one is available
if (mediaEngine.OnVideoStreamTick(out var presentationTimeTicks))
{
CurrentTime = TimeSpan.FromTicks(presentationTimeTicks);
// Check end of media
var endOfMedia = reachedEOF;
if (!endOfMedia)
{
//check the video loop and play range
if (PlayRange.IsValid() && CurrentTime > PlayRange.End)
{
endOfMedia = true;
}
else if (IsLooping && LoopRange.IsValid() && CurrentTime > LoopRange.End)
{
endOfMedia = true;
}
}
if (endOfMedia)
{
if (IsLooping)
{
//Restart the video at LoopRangeStart
Seek(LoopRange.Start);
}
else
{
//stop the video
Stop();
return;
}
}
if (videoComponent.Target != null && videoOutputSurface != null && videoOutputTexture != null)
{
videoTexture.SetTargetContentToVideoStream(videoComponent.Target);
// Now update the video texture with data of the new video frame:
var graphicsContext = services.GetSafeServiceAs <GraphicsContext>();
mediaEngine.TransferVideoFrame(videoOutputSurface, null, new SharpDX.Mathematics.Interop.RawRectangle(0, 0, videoWidth, videoHeight), null);
videoTexture.CopyDecoderOutputToTopLevelMipmap(graphicsContext, videoOutputTexture);
videoTexture.GenerateMipMaps(graphicsContext);
}
}
}
public PlayItemWrapper(IPlayItem item, DateTime expectedPlayTime) : this(item)
{
Debug.Assert(expectedPlayTime > item.StartTime);
this.ExpectedPlayTime = expectedPlayTime;
//var oldRange = item.PlayRange;
TimeSpan delta = expectedPlayTime.Subtract(item.StartTime);
var newStartPos = _playRange.StartPosition + delta;
_playRange = new PlayRange(newStartPos, _playRange.StopPosition - newStartPos);
}
public PlayItemWrapper(IPlayItem item)
{
this.PlayItem = item;
_playRange = new PlayRange(item.PlayRange.StartPosition, item.CalculatedPlayDuration);
this.ExpectedPlayTime = item.StartTime;
if (item.PlaybillItem.CGItems != null)
{
this.CGItems = item.PlaybillItem.CGItems.Clone();
}
this.MediaSource = item.PlaybillItem.MediaSource; //.Clone();
}
//==========================================================================================
/// <summary>
/// This type of DynamicSoundSource is streamed from Disk and reads compressed Celt encoded data, used internally.
/// </summary>
/// <param name="instance">The associated SoundInstance</param>
/// <param name="fileProvider">The file provider to read the stream from</param>
/// <param name="soundStreamUrl">The compressed stream internal URL</param>
/// <param name="numberOfPackets"></param>
/// <param name="sampleRate">The sample rate of the compressed data</param>
/// <param name="channels">The number of channels of the compressed data</param>
/// <param name="maxCompressedSize">The maximum size of a compressed packet</param>
public CompressedSoundSource(SoundInstance instance, IVirtualFileProvider fileProvider, string soundStreamUrl, int numberOfPackets, int sampleRate, int channels, int maxCompressedSize) :
base(instance, NumberOfBuffers, SamplesPerBuffer * MaxChannels * sizeof(short))
{
looped = instance.IsLooping;
this.channels = channels;
this.maxCompressedSize = maxCompressedSize;
this.fileProvider = fileProvider;
this.soundStreamUrl = soundStreamUrl;
this.sampleRate = sampleRate;
this.numberOfPackets = numberOfPackets;
playRange = new PlayRange(TimeSpan.Zero, TimeSpan.Zero);
NewSources.Add(this);
}
private void ChangePlayRange(IPlayItem playItem, PlayRange newRange)
{
try
{
_playlistEditor.ChangePlayRange(playItem, newRange);
}
catch (Exception ex)
{
((NewPlaylistEditor)_playlistEditor).Rollback();
if (_onError != null)
{
_onError(ex);
}
}
}
public CompressedSoundSource(SoundInstance instance, byte[] byteBuffer, int numberOfPackets, int numberOfSamples, int sampleRate, int channels, int maxCompressedSize)
: base(instance, NumberOfBuffers, SamplesPerBuffer * MaxChannels * sizeof(short))
{
looped = instance.IsLooping;
this.channels = channels;
this.maxCompressedSize = maxCompressedSize;
this.soundStreamUrl = null;
this.byteBuffer = byteBuffer;
this.sampleRate = sampleRate;
this.numberOfPackets = numberOfPackets;
this.samples = numberOfSamples;
playRange = new PlayRange(TimeSpan.Zero, TimeSpan.Zero);
NewSources.Enqueue(this);
}
/// <summary>
/// This type of DynamicSoundSource is streamed from Disk and reads compressed Celt encoded data, used internally.
/// </summary>
/// <param name="instance">The associated SoundInstance</param>
/// <param name="soundStreamUrl">The compressed stream internal URL</param>
/// <param name="numberOfPackets"></param>
/// <param name="sampleRate">The sample rate of the compressed data</param>
/// <param name="channels">The number of channels of the compressed data</param>
/// <param name="maxCompressedSize">The maximum size of a compressed packet</param>
public CompressedSoundSource(SoundInstance instance, string soundStreamUrl, int numberOfPackets, int sampleRate, int channels, int maxCompressedSize) : base(instance, NumberOfBuffers, SamplesPerBuffer * MaxChannels * sizeof(short))
{
looped = instance.IsLooping;
this.channels = channels;
this.maxCompressedSize = maxCompressedSize;
this.soundStreamUrl = soundStreamUrl;
this.sampleRate = sampleRate;
this.numberOfPackets = numberOfPackets;
playRange = new PlayRange(TimeSpan.Zero, TimeSpan.Zero);
if (readFromDiskWorker == null)
{
readFromDiskWorker = Task.Factory.StartNew(Worker, TaskCreationOptions.LongRunning);
}
NewSources.Add(this);
}
private PlayRange SetInOut(MItem mitem, PlayRange playRange)
{
double dblIn = 0.0, dblOut = 0.0;
dblIn = playRange.StartPosition.TotalSeconds;
dblOut = playRange.StopPosition.TotalSeconds;
mitem.FileInOutSet(dblIn, dblOut);
double dblDuration;
mitem.FileInOutGet(out dblIn, out dblOut, out dblDuration);
if (dblOut == dblIn || dblOut == 0.0)
{
dblOut = dblDuration;
}
return(new PlayRange(TimeSpan.FromSeconds(dblIn), TimeSpan.FromSeconds(dblOut - dblIn)));
}
private void ChangeSource()
{
if (CanChangeSource())
{
var builder = CreateBuilder();
try
{
var newRange = new PlayRange(this._selectedMediaItem.Value.PlayRange.StartPosition,
this.SelectedPlayItem.PlayItem.CalculatedPlayDuration);
builder.ChangeSource(this.SelectedPlayItem.PlayItem, this.SelectedMediaItem.Value.Source, newRange);
Rebuild(builder);
}
catch (Exception ex)
{
//editor.Rollback();
OnError(ex);
}
}
}
public static MediaItem FromEntity(MediaSourceEntity entity)
{
MediaSourceBase source = MediaSourceBase.Create(entity);
var fileEntity = entity as MediaFileEntity;
PlayRange playRange;
if (fileEntity != null)
{
playRange = new PlayRange(TimeSpan.FromSeconds(fileEntity.MarkerIn),
TimeSpan.FromSeconds(fileEntity.MarkerDuration));
}
else
{
playRange = new PlayRange(PlayoutConfiguration.Current.DefaultDuration);
}
return(new MediaItem(source, playRange));
}
private static IPlaySource Create(PlaybillItemEntity entity, IMediaSource mediaSource)
{
var range = new PlayRange(TimeSpan.FromSeconds(entity.MarkerIn), TimeSpan.FromSeconds(entity.MarkerDuration));
CGItemCollection cgItems = null;
if (entity.CGContents != null)
{
cgItems = CGItemCollection.FromXml(entity.CGContents);
}
if (cgItems == null)
{
return(new PlaySource(mediaSource, range));
}
else
{
return(new PlaySource(mediaSource, range, cgItems));
}
}
public void ChangePlayRange(IPlayableItem playItem, PlayRange newRange)
{
this.ChangePlayRange(playItem.PlayItem, newRange);
}
partial void UpdateImpl(ref TimeSpan elapsed)
{
if (stream == null)
{
return;
}
if (PlayState == PlayState.Stopped)
{
return;
}
var speedFactor = SpeedFactor;
if (PlayState == PlayState.Paused)
{
speedFactor = 0;
}
// Compare elapsed time with video framerate
var frameDurationTicks = stream.FrameDuration.Ticks;
adjustedTicksSinceLastFrame += (long)(elapsed.Ticks * speedFactor);
if (adjustedTicksSinceLastFrame < frameDurationTicks)
{
return;
}
var frameCount = (int)(adjustedTicksSinceLastFrame / frameDurationTicks);
if (frameCount == 0)
{
// Note: in case of slow speed factor, we might not need to update at each draw
return;
}
if (frameCount > 4)
{
// Reading more than a few frames can be expensive, better seek.
// FIXME: we might need a heuristic here to auto-adapt. It is probably dependent on the video being played (e.g. resolution, codec, file size, etc.)
Seek(CurrentTime + TimeSpan.FromTicks(frameDurationTicks * frameCount));
frameCount = 1;
}
// Extract the frames
var extractedFrameCount = media.ExtractFrames(stream, frameCount);
if (extractedFrameCount > 0)
{
adjustedTicksSinceLastFrame = adjustedTicksSinceLastFrame % stream.FrameDuration.Ticks;
}
// Get the last one
var streamInfo = media.GetStreamInfo(stream);
if (streamInfo?.Image == null)
{
return;
}
// Check end of media
bool endOfMedia = streamInfo.ReachedEnd;
if (!endOfMedia)
{
if (extractedFrameCount > 0)
{
CurrentTime = stream.TimestampToTime(streamInfo.Image.Timestamp);
}
//check the video loop and play range
if (PlayRange.IsValid() && CurrentTime > PlayRange.End)
{
endOfMedia = true;
}
else if (IsLooping && LoopRange.IsValid() && CurrentTime > LoopRange.End)
{
endOfMedia = true;
}
}
if (endOfMedia)
{
if (IsLooping)
{
//Restart the video at LoopRangeStart
//(ToCheck: is there a better way to do this (directly updating CurrentTime does not seem good, but if not doing, it will not work))
CurrentTime = LoopRange.Start;
Seek(LoopRange.Start);
return;
}
else
{
//stop the video
Stop();
return;
}
}
// return if the frame extraction failed and didn't reached and of the video
if (extractedFrameCount == 0)
{
return;
}
if (videoComponent.Target != null)
{
videoTexture.SetTargetContentToVideoStream(videoComponent.Target);
// Now update the video texture with data of the new video frame:
var graphicsContext = services.GetSafeServiceAs <GraphicsContext>();
if (streamInfo.Codec.IsHardwareAccelerated && streamInfo.Image == null)
{
videoTexture.CopyDecoderOutputToTopLevelMipmap(graphicsContext, streamInfo.Codec.DecoderOutputTexture);
}
else
{
videoTexture.UpdateTopLevelMipmapFromData(graphicsContext, streamInfo.Image);
}
videoTexture.GenerateMipMaps(graphicsContext);
}
}
/// <summary>
/// Sets the range of the sound to play.
/// </summary>
/// <param name="range">a PlayRange structure that describes the starting offset and ending point of the sound to play in seconds.</param>
/// <remarks>This will not be valid if the sound is played with PlayAndForget</remarks>
public void SetRange(PlayRange range)
{
foreach (var instance in InstanceToListener)
{
instance.Key.SetRange(range);
}
}
//public Guid Id
//{
// get; set;
//}
public override PlayRange?Adjust(PlayRange playRange)
{
return(new PlayRange(TimeSpan.Zero, playRange.Duration));
}
/// <summary>
/// Sets the region of time to play from the audio clip.
/// </summary>
/// <param name="range">a PlayRange structure that describes the starting offset and ending point of the sound to play in seconds.</param>
public virtual void SetRange(PlayRange range)
{
Commands.Enqueue(AsyncCommand.SetRange);
}
public EditMediaItemConfirmation(string filePath, PlayRange playRange)
{
_filePath = filePath;
_playRange = playRange;
}
/// <summary>
/// Sets the region of time to play from the audio clip.
/// </summary>
/// <param name="range">a PlayRange structure that describes the starting offset and ending point of the sound to play in seconds.</param>
public virtual void SetPlayRange(PlayRange range)
{
Commands.Enqueue(AsyncCommand.SetRange);
}
public virtual PlayRange?Adjust(PlayRange playRange)
{
return(playRange);
}
/// <summary>
/// Sets the range of the sound to play.
/// </summary>
/// <param name="range">a PlayRange structure that describes the starting offset and ending point of the sound to play in seconds.</param>
public void SetRange(PlayRange range)
{
if (engine.State == AudioEngineState.Invalidated)
return;
var state = PlayState;
if (state == SoundPlayState.Playing)
{
Stop();
}
if (soundSource == null)
{
AudioLayer.SourceSetRange(Source, range.Start.TotalSeconds, range.End.TotalSeconds);
}
else
{
soundSource.SetRange(range);
}
if (state == SoundPlayState.Playing)
{
Play();
}
}
/// <summary>
/// Sets the range of the sound to play.
/// </summary>
/// <param name="range">a PlayRange structure that describes the starting offset and ending point of the sound to play in seconds.</param>
public override void SetRange(PlayRange range)
{
lock (rangeLock)
{
playRange = range;
}
base.SetRange(range);
}
