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/constants.h> 38 #include <musikcore/sdk/IDecoder.h> 39 #include <musikcore/sdk/IDataStream.h> 40 #include "GmeDataStream.h" 41 #include <stddef.h> 42 #include <gme.h> 43 #include <mutex> 44 45 using namespace musik::core::sdk; 46 47 class GmeDecoder: public musik::core::sdk::IDecoder { 48 public: 49 GmeDecoder(); 50 virtual ~GmeDecoder(); 51 52 virtual void Release() override; 53 virtual double SetPosition(double seconds) override; 54 virtual bool GetBuffer(IBuffer *buffer) override; 55 virtual double GetDuration() override; 56 virtual bool Open(musik::core::sdk::IDataStream *stream) override; 57 virtual bool Exhausted() override; 58 59 private: 60 GmeDataStream* stream { nullptr }; 61 gme_t* gme { nullptr }; 62 gme_info_t* info { nullptr }; 63 short* buffer; 64 double length{ -1.0 }; 65 int totalSamples { 0 }; 66 int samplesPlayed { 0 }; 67 bool exhausted { false }; 68 bool isWrappedDataStream{ false }; 69 std::mutex mutex; 70 }; 71