private void DetectPlaybackEnded(MediaType main)
{
var playbackEndClock = MediaCore.Blocks[main].Count > 0
? MediaCore.Blocks[main].RangeEndTime
: MediaCore.Timing.GetEndTime(main) ?? TimeSpan.MaxValue;
// Check End of Media Scenarios
if (!Commands.HasPendingCommands &&
MediaCore.HasDecodingEnded &&
!CanResumeClock(main))
{
// Rendered all and nothing else to render
if (State.HasMediaEnded == false)
{
if (Container.IsStreamSeekable)
{
var componentStartTime = Container.Components[main].StartTime;
var actualComponentDuration = TimeSpan.FromTicks(playbackEndClock.Ticks - componentStartTime.Ticks);
Container.Components[main].Duration = actualComponentDuration;
}
MediaCore.PausePlayback();
MediaCore.ChangePlaybackPosition(playbackEndClock);
}
State.MediaState = MediaPlaybackState.Stop;
State.HasMediaEnded = true;
}
else
{
State.HasMediaEnded = false;
}
}
private void DetectPlaybackEnded(MediaType main)
{
var playbackEndClock = MediaCore.Blocks[main].Count > 0
? MediaCore.Blocks[main].RangeEndTime
: Container.Components.PlaybackEndTime ?? TimeSpan.MaxValue;
var isAtEndOfPlayback = MediaCore.PlaybackPosition.Ticks >= playbackEndClock.Ticks ||
MediaCore.Timing.HasDisconnectedClocks;
// Check End of Media Scenarios
if (!Commands.HasPendingCommands &&
MediaCore.HasDecodingEnded &&
isAtEndOfPlayback)
{
// Rendered all and nothing else to render
if (State.HasMediaEnded == false)
{
MediaCore.PausePlayback();
MediaCore.ChangePlaybackPosition(playbackEndClock);
}
State.MediaState = MediaPlaybackState.Stop;
State.HasMediaEnded = true;
}
else
{
State.HasMediaEnded = false;
}
}
/// <summary>
/// Provides the implementation for the Pause Media Command.
/// </summary>
/// <returns>True if the command was successful.</returns>
private bool CommandPauseMedia()
{
if (State.CanPause == false)
{
return(false);
}
MediaCore.PausePlayback();
foreach (var renderer in MediaCore.Renderers.Values)
{
renderer.OnPause();
}
MediaCore.ChangePlaybackPosition(SnapPositionToBlockPosition(MediaCore.PlaybackPosition));
State.MediaState = MediaPlaybackState.Pause;
return(true);
}
private void AlignClocksToPlayback(MediaType main, MediaType[] all)
{
// we don't want to disturb the clock or align it if we are not ready
if (Commands.HasPendingCommands)
{
return;
}
if (HasDisconnectedClocks)
{
foreach (var t in all)
{
if (t == MediaType.Subtitle)
{
continue;
}
var compBlocks = MediaCore.Blocks[t];
var compPosition = MediaCore.Timing.GetPosition(t);
if (compBlocks.Count <= 0)
{
MediaCore.PausePlayback(t, false);
if (MediaCore.Timing.GetIsRunning(t))
{
this.LogDebug(Aspects.Timing,
$"CLOCK PAUSED: {t} clock was paused at {compPosition.Format()} because no decoded {t} content was found");
}
continue;
}
// Don't let the RTC lag behind the blocks or move beyond them
if (compPosition.Ticks < compBlocks.RangeStartTime.Ticks)
{
MediaCore.ChangePlaybackPosition(compBlocks.RangeStartTime, t, false);
this.LogDebug(Aspects.Timing,
$"CLOCK BEHIND: {t} clock was {compPosition.Format()}. It was updated to {compBlocks.RangeStartTime.Format()}");
}
else if (compPosition.Ticks > compBlocks.RangeEndTime.Ticks)
{
if (t != MediaType.Audio)
{
MediaCore.PausePlayback(t, false);
}
MediaCore.ChangePlaybackPosition(compBlocks.RangeEndTime, t, false);
this.LogDebug(Aspects.Timing,
$"CLOCK AHEAD : {t} clock was {compPosition.Format()}. It was updated to {compBlocks.RangeEndTime.Format()}");
}
}
return;
}
// Get a reference to the main blocks.
// The range will be 0 if there are no blocks.
var blocks = MediaCore.Blocks[main];
var position = MediaCore.PlaybackPosition;
if (blocks.Count == 0)
{
// We have no main blocks in range. All we can do is pause the clock
if (MediaCore.Timing.IsRunning)
{
this.LogDebug(Aspects.Timing,
$"CLOCK PAUSED: playback clock was paused at {position.Format()} because no decoded {main} content was found");
}
MediaCore.PausePlayback();
return;
}
if (position.Ticks < blocks.RangeStartTime.Ticks)
{
// Don't let the RTC lag behind what is available on the main component
MediaCore.ChangePlaybackPosition(blocks.RangeStartTime);
this.LogTrace(Aspects.Timing,
$"CLOCK BEHIND: playback clock was {position.Format()}. It was updated to {blocks.RangeStartTime.Format()}");
}
else if (position.Ticks > blocks.RangeEndTime.Ticks)
{
// Don't let the RTC move beyond what is available on the main component
MediaCore.PausePlayback();
MediaCore.ChangePlaybackPosition(blocks.RangeEndTime);
this.LogTrace(Aspects.Timing,
$"CLOCK AHEAD : playback clock was {position.Format()}. It was updated to {blocks.RangeEndTime.Format()}");
}
}
private void AlignClocksToPlayback(MediaType main, MediaType[] all)
{
// we don't want to disturb the clock or align it if we are not ready
if (Commands.HasPendingCommands)
{
return;
}
MediaBlockBuffer blocks = null;
TimeSpan position = MediaCore.PlaybackPosition;
if (HasDisconnectedClocks)
{
foreach (var t in all)
{
if (t == MediaType.Subtitle)
{
continue;
}
blocks = MediaCore.Blocks[t];
position = MediaCore.Timing.Position(t);
// Don't let the RTC lag behind the blocks or move beyond them
if (position.Ticks < blocks.RangeStartTime.Ticks)
{
MediaCore.ChangePlaybackPosition(blocks.RangeStartTime, t);
this.LogTrace(Aspects.Timing, $"CLOCK BEHIND: {t} clock was {position.Format()}. It was updated to {blocks.RangeStartTime.Format()}");
}
else if (position.Ticks > blocks.RangeEndTime.Ticks)
{
// we don't use the pause playback method to prevent
// reporting the current playback position
MediaCore.Timing.Pause(t);
MediaCore.ChangePlaybackPosition(blocks.RangeEndTime, t);
this.LogTrace(Aspects.Timing, $"CLOCK AHEAD : {t} clock was {position.Format()}. It was updated to {blocks.RangeEndTime.Format()}");
}
}
return;
}
// Get a reference to the main blocks.
// The range will be 0 if there are no blocks.
blocks = MediaCore.Blocks[main];
var range = blocks.GetRangePercent(position);
if (range < 0)
{
// Don't let the RTC lag behind what is available on the main component
MediaCore.ChangePlaybackPosition(blocks.RangeStartTime);
this.LogTrace(Aspects.Timing, $"CLOCK BEHIND: playback clock was {position.Format()}. It was updated to {blocks.RangeStartTime.Format()}");
}
else if (range > 1d)
{
// Don't let the RTC move beyond what is available on the main component
MediaCore.PausePlayback();
MediaCore.ChangePlaybackPosition(blocks.RangeEndTime);
this.LogTrace(Aspects.Timing, $"CLOCK AHEAD : playback clock was {position.Format()}. It was updated to {blocks.RangeEndTime.Format()}");
}
else if (range == 0 && blocks.Count == 0 && MediaCore.Timing.IsRunning)
{
// We have no main blocks in range. All we can do is pause the clock
this.LogTrace(Aspects.Timing, $"CLOCK PAUSED: playback clock was {position.Format()} but no {main} content was found");
MediaCore.PausePlayback();
}
}