--- /dev/null
+/*
+ * Copyright (c) 2022 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System;
+using System.Runtime.InteropServices;
+
+namespace Tizen.Multimedia
+{
+ internal class PinnedPreviewBuffer<T> : IDisposable
+ {
+ private readonly GCHandle[] _gcHandles;
+ private readonly T[][] _buffers;
+
+ internal PinnedPreviewBuffer(params uint[] sizes)
+ {
+ _buffers = new T[sizes.Length][];
+ _gcHandles = new GCHandle[sizes.Length];
+
+ for (int i = 0 ; i < sizes.Length; i++)
+ {
+ _buffers[i] = new T[sizes[i]];
+ _gcHandles[i] = GCHandle.Alloc(_buffers[i], GCHandleType.Pinned);
+ }
+ }
+
+ ~PinnedPreviewBuffer()
+ {
+ Dispose(false);
+ }
+
+ internal T[] this[int index] => _buffers[index];
+
+ private bool disposedValue = false;
+
+ protected virtual void Dispose(bool disposing)
+ {
+ if (!disposedValue)
+ {
+ foreach (var gcHandle in _gcHandles)
+ {
+ gcHandle.Free();
+ }
+
+ Log.Info(CameraLog.Tag, $"Disposed : {disposing})");
+ disposedValue = true;
+ }
+ }
+
+ public void Dispose()
+ {
+ Dispose(true);
+ GC.SuppressFinalize(this);
+ }
+ }
+}
/// <since_tizen> 4 </since_tizen>
public class PreviewFrame
{
- internal PreviewFrame(IntPtr ptr)
+ internal PreviewFrame(IntPtr ptr, ref PinnedPreviewBuffer<byte> buffers)
{
var unmanagedStruct = Marshal.PtrToStructure<CameraPreviewDataStruct>(ptr);
Resolution = new Size(unmanagedStruct.Width, unmanagedStruct.Height);
TimeStamp = unmanagedStruct.TimeStamp;
PlaneType = GetPlaneType(unmanagedStruct);
- Plane = ConvertPlane(unmanagedStruct);
+ CreatePlane(unmanagedStruct, ref buffers);
}
private static PlaneType GetPlaneType(CameraPreviewDataStruct unmanagedStruct)
return PlaneType.TriplePlane;
}
- private IPreviewPlane ConvertPlane(CameraPreviewDataStruct unmanagedStruct)
+ internal void CreatePlane(CameraPreviewDataStruct unmanagedStruct, ref PinnedPreviewBuffer<byte> buffers)
{
+ Log.Info(CameraLog.Tag, "Enter");
switch (PlaneType)
{
case PlaneType.SinglePlane:
- return new SinglePlane(unmanagedStruct.Plane.SinglePlane);
+ Log.Info(CameraLog.Tag, "SinglePlane - START");
+ var singlePlane = unmanagedStruct.Plane.SinglePlane;
+
+ if (buffers == null)
+ {
+ Log.Info(CameraLog.Tag, "SinglePlane - Alloc buffer");
+ buffers = new PinnedPreviewBuffer<byte>(singlePlane.DataLength);
+ }
+ Log.Info(CameraLog.Tag, "SinglePlane - Marshal copy");
+ Marshal.Copy(singlePlane.Data, buffers[0], 0, (int)singlePlane.DataLength);
+
+ Log.Info(CameraLog.Tag, "SinglePlane - Create SinglePlane instance");
+ Plane = new SinglePlane(buffers[0]);
+ Log.Info(CameraLog.Tag, "SinglePlane - DONE");
+ break;
+ case PlaneType.DoublePlane:
+ Log.Info(CameraLog.Tag, "DoublePlane - START");
+ var doublePlane = unmanagedStruct.Plane.DoublePlane;
+
+ doublePlane.YLength = (uint)(Resolution.Width * Resolution.Height);
+ doublePlane.UVLength = (uint)(Resolution.Width * Resolution.Height) / 2;
+
+ if (buffers == null)
+ {
+ Log.Info(CameraLog.Tag, "DoublePlane - Alloc buffer");
+ buffers = new PinnedPreviewBuffer<byte>(doublePlane.YLength, doublePlane.UVLength);
+ }
+
+ Log.Info(CameraLog.Tag, $"DoublePlane - Marshal copy");
+ Marshal.Copy(doublePlane.Y, buffers[0], 0, (int)doublePlane.YLength);
+ Marshal.Copy(doublePlane.UV, buffers[1], 0, (int)doublePlane.UVLength);
+
+ Log.Info(CameraLog.Tag, "DoublePlane - Create DoublePlane instance");
+ Plane = new DoublePlane(buffers[0], buffers[1]);
+ Log.Info(CameraLog.Tag, "DoublePlane - DONE");
+ break;
+ case PlaneType.TriplePlane:
+ Log.Info(CameraLog.Tag, "TriplePlane - START");
+ var triplePlane = unmanagedStruct.Plane.TriplePlane;
+
+ if (buffers == null)
+ {
+ Log.Info(CameraLog.Tag, "TriplePlane - Alloc buffer");
+ buffers = new PinnedPreviewBuffer<byte>(triplePlane.YLength, triplePlane.ULength, triplePlane.VLength);
+ }
+ Log.Info(CameraLog.Tag, "TriplePlane - Marshal copy");
+ Marshal.Copy(triplePlane.Y, buffers[0], 0, (int)triplePlane.YLength);
+ Marshal.Copy(triplePlane.U, buffers[1], 0, (int)triplePlane.ULength);
+ Marshal.Copy(triplePlane.V, buffers[2], 0, (int)triplePlane.VLength);
+
+ Log.Info(CameraLog.Tag, "TriplePlane - Create TriplePlane instance");
+ Plane = new TriplePlane(buffers[0], buffers[1], buffers[2]);
+ Log.Info(CameraLog.Tag, "TriplePlane - DONE");
+ break;
+ case PlaneType.EncodedPlane:
+ Log.Info(CameraLog.Tag, "EncodedPlane - START");
+ var encodedPlane = unmanagedStruct.Plane.EncodedPlane;
+
+ if (buffers == null)
+ {
+ Log.Info(CameraLog.Tag, "EncodedPlane - Alloc buffer");
+ buffers = new PinnedPreviewBuffer<byte>(encodedPlane.DataLength * 2);
+ }
+ Log.Info(CameraLog.Tag, "EncodedPlane - Marshal copy");
+ Marshal.Copy(encodedPlane.Data, buffers[0], 0, (int)encodedPlane.DataLength);
+
+ Log.Info(CameraLog.Tag, "EncodedPlane - Create EncodedPlane instance");
+ Plane = new EncodedPlane(buffers[0], encodedPlane.IsDeltaFrame);
+ Log.Info(CameraLog.Tag, "EncodedPlane - DONE");
+ break;
+ case PlaneType.DepthPlane:
+ Log.Info(CameraLog.Tag, "DepthPlane - START");
+ var depthPlane = unmanagedStruct.Plane.DepthPlane;
+
+ if (buffers == null)
+ {
+ Log.Info(CameraLog.Tag, "DepthPlane - Alloc buffer");
+ buffers = new PinnedPreviewBuffer<byte>(depthPlane.DataLength);
+ }
+ Log.Info(CameraLog.Tag, "DepthPlane - Marshal copy");
+ Marshal.Copy(depthPlane.Data, buffers[0], 0, (int)depthPlane.DataLength);
+
+ Log.Info(CameraLog.Tag, "DepthPlane - Create DepthPlane instance");
+ Plane = new DepthPlane(buffers[0]);
+ Log.Info(CameraLog.Tag, "DepthPlane - DONE");
+ break;
+ case PlaneType.RgbPlane:
+ var rgbPlane = unmanagedStruct.Plane.RgbPlane;
+
+ if (buffers == null)
+ {
+ Log.Info(CameraLog.Tag, "RgbPlane - Alloc buffer");
+ buffers = new PinnedPreviewBuffer<byte>(rgbPlane.DataLength);
+ }
+ Marshal.Copy(rgbPlane.Data, buffers[0], 0, (int)rgbPlane.DataLength);
+
+ Plane = new RgbPlane(buffers[0]);
+ break;
+ default:
+ Debug.Fail("Unknown preview data!");
+ break;
+ }
+ Log.Info(CameraLog.Tag, "Leave");
+ }
+
+ internal static uint GetMaxPreviewPlaneSize(IntPtr ptr)
+ {
+ uint size = 0;
+ var unmanagedStruct = Marshal.PtrToStructure<CameraPreviewDataStruct>(ptr);
+
+ switch (GetPlaneType(unmanagedStruct))
+ {
+ case PlaneType.SinglePlane:
+ size = unmanagedStruct.Plane.SinglePlane.DataLength;
+ break;
case PlaneType.DoublePlane:
- var size = Resolution.Width * Resolution.Height;
- unmanagedStruct.Plane.DoublePlane.YLength = (uint)size;
- unmanagedStruct.Plane.DoublePlane.UVLength = (uint)size / 2;
- return new DoublePlane(unmanagedStruct.Plane.DoublePlane);
+ size = unmanagedStruct.Plane.DoublePlane.UVLength;
+ Log.Info(CameraLog.Tag, $"Size : {size}");
+ break;
case PlaneType.TriplePlane:
- return new TriplePlane(unmanagedStruct.Plane.TriplePlane);
+ size = unmanagedStruct.Plane.TriplePlane.YLength;
+ break;
case PlaneType.EncodedPlane:
- return new EncodedPlane(unmanagedStruct.Plane.EncodedPlane);
+ size = unmanagedStruct.Plane.EncodedPlane.DataLength;
+ break;
case PlaneType.DepthPlane:
- return new DepthPlane(unmanagedStruct.Plane.DepthPlane);
+ size = unmanagedStruct.Plane.DepthPlane.DataLength;
+ break;
case PlaneType.RgbPlane:
- return new RgbPlane(unmanagedStruct.Plane.RgbPlane);
+ size = unmanagedStruct.Plane.RgbPlane.DataLength;
+ break;
+ default:
+ Debug.Fail("Unknown preview data!");
+ break;
}
- Debug.Fail("Unknown preview data!");
- return null;
+ return size;
}
/// <summary>
/// The buffer including the preview frame.
/// </summary>
/// <since_tizen> 4 </since_tizen>
- public IPreviewPlane Plane { get; }
+ public IPreviewPlane Plane { get; private set;}
}
}
projects / platform / core / csapi / tizenfx.git / commitdiff