/// <summary> Gets the frame. </summary>
/// <returns> The frame. </returns>
public FrameRawData GetFrame()
{
if (Time.frameCount != m_LastFrame && m_CameraFrames.Count > 0)
{
m_CurrentFrame = m_CameraFrames.Dequeue();
m_LastFrame = Time.frameCount;
}
return(m_CurrentFrame);
}
/// <summary> Adds an object onto the end of this queue. </summary>
/// <param name="obj"> The object.</param>
public void Enqueue(FrameRawData obj)
{
lock (m_LockObj)
{
m_Queue.Enqueue(obj);
if (m_Queue.Count > Limit)
{
var frame = m_Queue.Dequeue();
m_ObjectPool.Put <FrameRawData>(frame);
}
}
}
/// <summary> Makes a safe. </summary>
/// <param name="textureptr"> The textureptr.</param>
/// <param name="size"> The size.</param>
/// <param name="timestamp"> The timestamp.</param>
/// <param name="frame"> [in,out] The frame.</param>
/// <returns> True if it succeeds, false if it fails. </returns>
public static bool MakeSafe(IntPtr textureptr, int size, UInt64 timestamp, ref FrameRawData frame)
{
if (textureptr == IntPtr.Zero || size <= 0)
{
return(false);
}
if (frame.data == null || frame.data.Length != size)
{
frame.data = new byte[size];
}
frame.timeStamp = timestamp;
Marshal.Copy(textureptr, frame.data, 0, size);
return(true);
}
/// <summary> Updates the texture. </summary>
private void UpdateTexture()
{
if (!DidUpdateThisFrame || !IsPlaying)
{
return;
}
FrameRawData frame = m_NativeCameraProxy.GetFrame();
if (frame.data == null)
{
NRDebugger.Error("[CameraModelView] Get camera raw data faild...");
return;
}
FrameCount++;
OnRawDataUpdate(frame);
}
/// <summary> Queue frame. </summary>
/// <param name="textureptr"> The textureptr.</param>
/// <param name="size"> The size.</param>
/// <param name="timestamp"> The timestamp.</param>
protected void QueueFrame(IntPtr textureptr, int size, UInt64 timestamp)
{
if (!m_IsPlaying)
{
NRDebugger.Error("camera was not stopped properly, it still sending data.");
return;
}
FrameRawData frame = FramePool.Get <FrameRawData>();
bool result = FrameRawData.MakeSafe(m_TexturePtr, size, timestamp, ref frame);
if (result)
{
m_CameraFrames.Enqueue(frame);
}
else
{
FramePool.Put <FrameRawData>(frame);
}
}
/// <summary> Load raw texture data. </summary>
/// <param name="frame"> .</param>
protected virtual void OnRawDataUpdate(FrameRawData frame)
{
}
