1 ////////////////////////////////////////////////////////////////////////////// 2 // 3 // Copyright (c) 2004-2021 musikcube team 4 // 5 // All rights reserved. 6 // 7 // Redistribution and use in source and binary forms, with or without 8 // modification, are permitted provided that the following conditions are met: 9 // 10 // * Redistributions of source code must retain the above copyright notice, 11 // this list of conditions and the following disclaimer. 12 // 13 // * Redistributions in binary form must reproduce the above copyright 14 // notice, this list of conditions and the following disclaimer in the 15 // documentation and/or other materials provided with the distribution. 16 // 17 // * Neither the name of the author nor the names of other contributors may 18 // be used to endorse or promote products derived from this software 19 // without specific prior written permission. 20 // 21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 25 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 // POSSIBILITY OF SUCH DAMAGE. 32 // 33 ////////////////////////////////////////////////////////////////////////////// 34 35 #pragma once 36 37 #include <musikcore/sdk/IDataStream.h> 38 #include <string> 39 40 class GmeDataStream: public musik::core::sdk::IDataStream { 41 public: 42 using PositionType = musik::core::sdk::PositionType; 43 using OpenFlags = musik::core::sdk::OpenFlags; 44 45 GmeDataStream(); 46 GmeDataStream(musik::core::sdk::IDataStream* stream); 47 virtual ~GmeDataStream(); 48 49 virtual bool Open(const char *uri, OpenFlags flags) override; 50 virtual bool Close() override; 51 virtual void Interrupt() override; 52 virtual void Release() override; Readable()53 virtual bool Readable() override { return true; } Writable()54 virtual bool Writable() override { return false; } 55 virtual PositionType Read(void *buffer, PositionType readBytes) override; Write(void * buffer,PositionType writeBytes)56 virtual PositionType Write(void *buffer, PositionType writeBytes) override { return 0; } 57 virtual bool SetPosition(PositionType position) override; 58 virtual PositionType Position() override; 59 virtual bool Seekable() override; 60 virtual bool Eof() override; 61 virtual long Length() override; 62 virtual const char* Type() override; 63 virtual const char* Uri() override; 64 virtual bool CanPrefetch() override; 65 66 bool Parse(const char* uri); GetTrackNumber()67 int GetTrackNumber() { return this->trackNumber; } GetFilename()68 std::string GetFilename() { return this->filename; } 69 70 private: 71 int trackNumber { 0 }; 72 std::string filename; 73 musik::core::sdk::IDataStream* stream { nullptr }; 74 bool releaseStream{ true }; 75 };