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libs/hwcodec/externals/AMF_v1.4.35/amf/public/common/DataStreamFile.h

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+// 
+// Notice Regarding Standards.  AMD does not provide a license or sublicense to
+// any Intellectual Property Rights relating to any standards, including but not
+// limited to any audio and/or video codec technologies such as MPEG-2, MPEG-4;
+// AVC/H.264; HEVC/H.265; AAC decode/FFMPEG; AAC encode/FFMPEG; VC-1; and MP3
+// (collectively, the "Media Technologies"). For clarity, you will pay any
+// royalties due for such third party technologies, which may include the Media
+// Technologies that are owed as a result of AMD providing the Software to you.
+// 
+// MIT license 
+// 
+// Copyright (c) 2018 Advanced Micro Devices, Inc. All rights reserved.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+//
+
+#ifndef AMF_DataStreamFile_h
+#define AMF_DataStreamFile_h
+
+#pragma once
+
+#include "DataStream.h"
+#include "InterfaceImpl.h"
+#include "AMFSTL.h"
+#include <string>
+
+namespace amf
+{
+    class AMFDataStreamFileImpl : public AMFInterfaceImpl<AMFDataStream>
+    {
+    public:
+        AMFDataStreamFileImpl();
+        virtual ~AMFDataStreamFileImpl();
+        // interface
+        virtual AMF_RESULT AMF_STD_CALL Close();
+        virtual AMF_RESULT AMF_STD_CALL Read(void* pData, amf_size iSize, amf_size* pRead);
+        virtual AMF_RESULT AMF_STD_CALL Write(const void* pData, amf_size iSize, amf_size* pWritten);
+        virtual AMF_RESULT AMF_STD_CALL Seek(AMF_SEEK_ORIGIN eOrigin, amf_int64 iPosition, amf_int64* pNewPosition);
+        virtual AMF_RESULT AMF_STD_CALL GetPosition(amf_int64* pPosition);
+        virtual AMF_RESULT AMF_STD_CALL GetSize(amf_int64* pSize);
+        virtual bool       AMF_STD_CALL IsSeekable();
+
+        // local
+        // aways pass full URL just in case
+        virtual AMF_RESULT AMF_STD_CALL Open(const wchar_t* pFilePath, AMF_STREAM_OPEN eOpenType, AMF_FILE_SHARE eShareType);
+    protected:
+        int m_iFileDescriptor;
+        amf_wstring m_Path;
+    };
+} //namespace amf
+#endif // AMF_DataStreamFile_h