Exemplo n.º 1
0
        /// <summary>
        /// Destroys the codec.
        /// </summary>
        public override void Destroy()
        {
            if (_Encoder != null)
            {
                _Encoder.Destroy();
                _Encoder.Dispose();
                _Encoder = null;
            }

            if (_Decoder != null)
            {
                _Decoder.Destroy();
                _Decoder.Dispose();
                _Decoder = null;
            }
        }
Exemplo n.º 2
0
        /// <summary>
        /// Encodes a frame.
        /// </summary>
        /// <param name="frame">The frame.</param>
        /// <returns></returns>
        public override byte[] Encode(VideoBuffer frame)
        {
            if (_Encoder == null)
            {
                _Encoder         = new CocoaVp8Encoder();
                _Encoder.Quality = 0.5;
                _Encoder.Bitrate = 320;
                //_Encoder.Scale = 1.0;
            }

            if (frame.ResetKeyFrame)
            {
                _Encoder.SendKeyframe();
            }

            using (var pool = new NSAutoreleasePool())
            {
                VideoPlane planeY = frame.Planes[0];
                VideoPlane planeU = frame.Planes[1];
                VideoPlane planeV = frame.Planes[2];

                GCHandle planeYDataHandle = GCHandle.Alloc(planeY.Data, GCHandleType.Pinned);
                GCHandle planeUDataHandle = GCHandle.Alloc(planeU.Data, GCHandleType.Pinned);
                GCHandle planeVDataHandle = GCHandle.Alloc(planeV.Data, GCHandleType.Pinned);

                try
                {
                    IntPtr planeYDataPointer = planeYDataHandle.AddrOfPinnedObject();
                    IntPtr planeUDataPointer = planeUDataHandle.AddrOfPinnedObject();
                    IntPtr planeVDataPointer = planeVDataHandle.AddrOfPinnedObject();

                    //TODO: index/length
                    using (var buffer = new CocoaVp8Buffer {
                        PlaneY = NSData.FromBytesNoCopy(planeYDataPointer, (uint)planeY.Data.Length, false),
                        PlaneU = NSData.FromBytesNoCopy(planeUDataPointer, (uint)planeU.Data.Length, false),
                        PlaneV = NSData.FromBytesNoCopy(planeVDataPointer, (uint)planeV.Data.Length, false),
                        StrideY = planeY.Stride,
                        StrideU = planeU.Stride,
                        StrideV = planeV.Stride,
                        Width = frame.Width,
                        Height = frame.Height
                    })
                    {
                        using (var encodedFrame = new NSMutableData())
                        {
                            if (_Encoder.EncodeBuffer(buffer, encodedFrame))
                            {
                                return(encodedFrame.ToArray());
                            }
                            return(null);
                        }
                    }
                }
                finally
                {
                    planeYDataHandle.Free();
                    planeUDataHandle.Free();
                    planeVDataHandle.Free();
                }
            }
        }
Exemplo n.º 3
0
        /// <summary>
        /// Encodes a frame.
        /// </summary>
        /// <param name="frame">The frame.</param>
        /// <returns></returns>
        public override byte[] Encode(VideoBuffer frame)
		{
			if (_Encoder == null)
			{
				_Encoder = new CocoaVp8Encoder();
                _Encoder.Quality = 0.5;
                _Encoder.Bitrate = 320;
                //_Encoder.Scale = 1.0;
			}

            if (frame.ResetKeyFrame)
            {
                _Encoder.SendKeyframe();
            }

			using (var pool = new NSAutoreleasePool())
			{
				VideoPlane planeY = frame.Planes[0];
				VideoPlane planeU = frame.Planes[1];
				VideoPlane planeV = frame.Planes[2];

				GCHandle planeYDataHandle = GCHandle.Alloc(planeY.Data, GCHandleType.Pinned);
				GCHandle planeUDataHandle = GCHandle.Alloc(planeU.Data, GCHandleType.Pinned);
				GCHandle planeVDataHandle = GCHandle.Alloc(planeV.Data, GCHandleType.Pinned);

				try
				{
					IntPtr planeYDataPointer = planeYDataHandle.AddrOfPinnedObject();
					IntPtr planeUDataPointer = planeUDataHandle.AddrOfPinnedObject();
					IntPtr planeVDataPointer = planeVDataHandle.AddrOfPinnedObject();

					//TODO: index/length
					using (var buffer = new CocoaVp8Buffer {
						PlaneY = NSData.FromBytesNoCopy(planeYDataPointer, (uint)planeY.Data.Length, false),
						PlaneU = NSData.FromBytesNoCopy(planeUDataPointer, (uint)planeU.Data.Length, false),
						PlaneV = NSData.FromBytesNoCopy(planeVDataPointer, (uint)planeV.Data.Length, false),
						StrideY = planeY.Stride,
						StrideU = planeU.Stride,
						StrideV = planeV.Stride,
						Width = frame.Width,
						Height = frame.Height
					})
					{
						using (var encodedFrame = new NSMutableData())
						{
							if (_Encoder.EncodeBuffer(buffer, encodedFrame))
							{
								return encodedFrame.ToArray();
							}
							return null;
						}
					}
				}
				finally
				{
					planeYDataHandle.Free();
					planeUDataHandle.Free();
					planeVDataHandle.Free();
				}
			}
		}
Exemplo n.º 4
0
        /// <summary>
        /// Destroys the codec.
        /// </summary>
        public override void Destroy()
        {
            if (_Encoder != null)
            {
                _Encoder.Destroy();
                _Encoder.Dispose();
                _Encoder = null;
            }

            if (_Decoder != null)
            {
                _Decoder.Destroy();
                _Decoder.Dispose();
                _Decoder = null;
            }
        }