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109 lines
4.8 KiB
C++
109 lines
4.8 KiB
C++
//
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// Notice Regarding Standards. AMD does not provide a license or sublicense to
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// any Intellectual Property Rights relating to any standards, including but not
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// limited to any audio and/or video codec technologies such as MPEG-2, MPEG-4;
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// AVC/H.264; HEVC/H.265; AAC decode/FFMPEG; AAC encode/FFMPEG; VC-1; and MP3
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// (collectively, the "Media Technologies"). For clarity, you will pay any
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// royalties due for such third party technologies, which may include the Media
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// Technologies that are owed as a result of AMD providing the Software to you.
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//
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// MIT license
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//
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// Copyright (c) 2018 Advanced Micro Devices, Inc. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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/**
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***************************************************************************************************
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* @file DataStream.h
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* @brief AMFDataStream declaration
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***************************************************************************************************
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*/
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#ifndef AMF_DataStream_h
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#define AMF_DataStream_h
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#pragma once
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#include "../include/core/Interface.h"
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namespace amf
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{
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// currently supports only
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// file://
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// memory://
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// eventually can be extended with:
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// rtsp://
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// rtmp://
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// http://
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// etc
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//----------------------------------------------------------------------------------------------
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enum AMF_STREAM_OPEN
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{
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AMFSO_READ = 0,
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AMFSO_WRITE = 1,
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AMFSO_READ_WRITE = 2,
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AMFSO_APPEND = 3,
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};
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//----------------------------------------------------------------------------------------------
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enum AMF_FILE_SHARE
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{
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AMFFS_EXCLUSIVE = 0,
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AMFFS_SHARE_READ = 1,
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AMFFS_SHARE_WRITE = 2,
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AMFFS_SHARE_READ_WRITE = 3,
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};
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//----------------------------------------------------------------------------------------------
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enum AMF_SEEK_ORIGIN
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{
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AMF_SEEK_BEGIN = 0,
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AMF_SEEK_CURRENT = 1,
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AMF_SEEK_END = 2,
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};
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//----------------------------------------------------------------------------------------------
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// AMFDataStream interface
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//----------------------------------------------------------------------------------------------
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class AMF_NO_VTABLE AMFDataStream : public AMFInterface
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{
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public:
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AMF_DECLARE_IID(0xdb08fe70, 0xb743, 0x4c26, 0xb2, 0x77, 0xa5, 0xc8, 0xe8, 0x14, 0xda, 0x4)
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// interface
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virtual AMF_RESULT AMF_STD_CALL Open(const wchar_t* pFileUrl, AMF_STREAM_OPEN eOpenType, AMF_FILE_SHARE eShareType) = 0;
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virtual AMF_RESULT AMF_STD_CALL Close() = 0;
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virtual AMF_RESULT AMF_STD_CALL Read(void* pData, amf_size iSize, amf_size* pRead) = 0;
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virtual AMF_RESULT AMF_STD_CALL Write(const void* pData, amf_size iSize, amf_size* pWritten) = 0;
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virtual AMF_RESULT AMF_STD_CALL Seek(AMF_SEEK_ORIGIN eOrigin, amf_int64 iPosition, amf_int64* pNewPosition) = 0;
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virtual AMF_RESULT AMF_STD_CALL GetPosition(amf_int64* pPosition) = 0;
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virtual AMF_RESULT AMF_STD_CALL GetSize(amf_int64* pSize) = 0;
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virtual bool AMF_STD_CALL IsSeekable() = 0;
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static AMF_RESULT AMF_STD_CALL OpenDataStream(const wchar_t* pFileUrl, AMF_STREAM_OPEN eOpenType, AMF_FILE_SHARE eShareType, AMFDataStream** str);
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};
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//----------------------------------------------------------------------------------------------
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// smart pointer
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//----------------------------------------------------------------------------------------------
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typedef AMFInterfacePtr_T<AMFDataStream> AMFDataStreamPtr;
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//----------------------------------------------------------------------------------------------
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} //namespace amf
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#endif // AMF_DataStream_h
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