| public abstract GetNextFrameStartTime ( ) : uint | ||
| return | uint | |
protected void AddTrack(ITrack track, bool isExternal = false)
{
_tracks.Add(track);
if (isExternal)
{
_externalTracks.Add(track);
}
else
{
_internalTracks.Add(track);
}
if (track.TrackType == TrackType.Audio)
{
// Update volume settings if it's an audio track
((AudioTrack)track).Volume = _audioVolume;
((AudioTrack)track).Balance = _audioBalance;
if (!isExternal && SupportsAudioTrackSwitching())
{
if (_mainAudioTrack != null)
{
// The main audio track has already been found
((AudioTrack)track).Mute = true;
}
else
{
// First audio track found . now the main one
_mainAudioTrack = (AudioTrack)track;
_mainAudioTrack.Mute = false;
}
}
}
else if (track.TrackType == TrackType.Video)
{
// If this track has a better time, update _nextVideoTrack
if (_nextVideoTrack == null || ((VideoTrack)track).GetNextFrameStartTime() < _nextVideoTrack.GetNextFrameStartTime())
{
_nextVideoTrack = (VideoTrack)track;
}
}
// Keep the track paused if we're paused
if (IsPaused)
{
track.Pause(true);
}
// Start the track if we're playing
if (IsPlaying && track.TrackType == TrackType.Audio)
{
((AudioTrack)track).Start();
}
}
private VideoTrack FindNextVideoTrack()
{
_nextVideoTrack = null;
uint bestTime = 0xFFFFFFFF;
foreach (var t in _tracks)
{
if (t.TrackType == TrackType.Video && !t.EndOfTrack)
{
VideoTrack track = (VideoTrack)t;
uint time = track.GetNextFrameStartTime();
if (time < bestTime)
{
bestTime = time;
_nextVideoTrack = track;
}
}
}
return(_nextVideoTrack);
}