private void VideoStreamStopped()
{
FrameQueue = null;
// Clear the video display to not confuse the user who could otherwise
// think that the video is still playing but is lagging.
CreateEmptyVideoTextures();
}
//// <summary>
/// Unity Engine Start() hook
/// </summary>
/// <remarks>
/// https://docs.unity3d.com/ScriptReference/MonoBehaviour.Start.html
/// </remarks>
private void Update()
{
if ((_i420aFrameQueue != null) || (_argb32FrameQueue != null))
{
#if UNITY_EDITOR
// Inside the Editor, constantly update _minUpdateDelay to
// react to user changes to MaxFramerate.
// Leave 3ms of margin, otherwise it misses 1 frame and drops to ~20 FPS
// when Unity is running at 60 FPS.
_minUpdateDelay = Mathf.Max(0f, 1f / Mathf.Max(0.001f, MaxVideoFramerate) - 0.003f);
#endif
// FIXME - This will overflow/underflow the queue if not set at the same rate
// as the one at which frames are enqueued!
var curTime = Time.time;
if (curTime - lastUpdateTime >= _minUpdateDelay)
{
if (_i420aFrameQueue != null)
{
TryProcessI420AFrame();
}
else if (_argb32FrameQueue != null)
{
TryProcessArgb32Frame();
}
lastUpdateTime = curTime;
}
if (EnableStatistics)
{
// Share our stats values, if possible.
using (var profileScope = displayStatsMarker.Auto())
{
IVideoFrameQueue stats = (_i420aFrameQueue != null ? (IVideoFrameQueue)_i420aFrameQueue : _argb32FrameQueue);
if (FrameLoadStatHolder != null)
{
FrameLoadStatHolder.text = stats.QueuedFramesPerSecond.ToString("F2");
}
if (FramePresentStatHolder != null)
{
FramePresentStatHolder.text = stats.DequeuedFramesPerSecond.ToString("F2");
}
if (FrameSkipStatHolder != null)
{
FrameSkipStatHolder.text = stats.DroppedFramesPerSecond.ToString("F2");
}
}
}
}
}
private void VideoStreamStarted()
{
FrameQueue = VideoSource.FrameQueue;
}