2 * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the License);
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an AS IS BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 namespace Tizen.Multimedia
21 internal enum MediaBufferAccessMode
27 internal interface IBufferOwner
29 bool IsBufferAccessible(object buffer, MediaBufferAccessMode accessMode);
31 bool IsDisposed { get; }
35 internal static class BufferOwnerExtensions
37 internal static void ValidateBufferReadable(this IBufferOwner bufferOwner, IMediaBuffer buffer)
39 if (bufferOwner.IsDisposed)
41 throw new ObjectDisposedException(bufferOwner.GetType().Name);
44 if (!bufferOwner.IsBufferAccessible(buffer, MediaBufferAccessMode.Read))
46 throw new InvalidOperationException("The buffer is not in the readable state.");
50 internal static void ValidateBufferWritable(this IBufferOwner bufferOwner, IMediaBuffer buffer)
52 if (bufferOwner.IsDisposed)
54 throw new ObjectDisposedException(bufferOwner.GetType().Name);
57 if (!bufferOwner.IsBufferAccessible(buffer, MediaBufferAccessMode.Write))
59 throw new InvalidOperationException("The buffer is not in the writable state.");