107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
/**
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* Furnace Tracker - multi-system chiptune tracker
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* Copyright (C) 2021-2025 tildearrow and contributors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef _FILEPLAYER_H
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#define _FILEPLAYER_H
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#include "../ta-utils.h"
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#include "../timeutils.h"
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#include <thread>
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#include <mutex>
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#include <condition_variable>
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#ifdef HAVE_SNDFILE
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#include "sfWrapper.h"
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#else
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typedef void SNDFILE;
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struct SF_INFO {
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int invalid;
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};
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#endif
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class DivFilePlayer {
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float* sincTable;
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float* discardBuf;
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float** blocks;
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bool* priorityBlock;
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size_t numBlocks;
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String lastError;
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SFWrapper sfw;
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SNDFILE* sf;
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SF_INFO si;
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ssize_t playPos;
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ssize_t lastWantBlock;
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ssize_t wantBlock;
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int outRate;
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int rateAccum;
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float volume;
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bool playing;
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bool fileError;
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bool quitThread;
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bool threadHasQuit;
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bool isActive;
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ssize_t pendingPos;
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unsigned int pendingPosOffset;
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unsigned int pendingPlayOffset;
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unsigned int pendingStopOffset;
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std::thread* cacheThread;
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std::mutex cacheMutex;
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std::mutex cacheThreadLock;
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std::condition_variable cacheCV;
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void fillBlocksNear(ssize_t pos);
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void collectGarbage(ssize_t pos);
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float getSampleAt(ssize_t pos, int ch);
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public:
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void runCacheThread();
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size_t getMemUsage();
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void mix(float** buf, int chans, unsigned int size);
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ssize_t getPos();
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TimeMicros getPosSeconds();
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ssize_t setPos(ssize_t newPos, unsigned int offset=UINT_MAX);
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ssize_t setPosSeconds(TimeMicros newTime, unsigned int offset=UINT_MAX);
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bool isBlockPresent(ssize_t pos);
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bool setBlockPriority(ssize_t pos, bool priority);
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bool isLoaded();
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bool isPlaying();
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void play(unsigned int offset=UINT_MAX);
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void stop(unsigned int offset=UINT_MAX);
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bool closeFile();
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bool loadFile(const char* path);
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String getLastError();
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const SF_INFO& getFileInfo();
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void setOutputRate(int rate);
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float getVolume();
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void setVolume(float vol);
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bool getActive();
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void setActive(bool active);
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DivFilePlayer();
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~DivFilePlayer();
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};
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#endif
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