Qmmp
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00001 /*************************************************************************** 00002 * Copyright (C) 2009-2017 by Ilya Kotov * 00003 * forkotov02@hotmail.ru * 00004 * * 00005 * This program is free software; you can redistribute it and/or modify * 00006 * it under the terms of the GNU General Public License as published by * 00007 * the Free Software Foundation; either version 2 of the License, or * 00008 * (at your option) any later version. * 00009 * * 00010 * This program is distributed in the hope that it will be useful, * 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00013 * GNU General Public License for more details. * 00014 * * 00015 * You should have received a copy of the GNU General Public License * 00016 * along with this program; if not, write to the * 00017 * Free Software Foundation, Inc., * 00018 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * 00019 ***************************************************************************/ 00020 00021 #ifndef QMMPAUDIOENGINE_P_H 00022 #define QMMPAUDIOENGINE_P_H 00023 00024 #include <QQueue> 00025 #include <QHash> 00026 #include <QSharedPointer> 00027 #include "abstractengine.h" 00028 #include "audioparameters.h" 00029 00030 class QIODevice; 00031 class OutputWriter; 00032 class Effect; 00033 class DecoderFactory; 00034 class StateHandler; 00035 class Decoder; 00036 class InputSource; 00037 class EffectFactory; 00038 class ReplayGain; 00039 class QmmpSettings; 00040 class AudioConverter; 00041 class Dithering; 00042 00046 class QmmpAudioEngine : public AbstractEngine 00047 { 00048 Q_OBJECT 00049 public: 00050 QmmpAudioEngine(QObject *parent); 00051 ~QmmpAudioEngine(); 00052 00053 bool play(); 00054 bool enqueue(InputSource *source); 00055 void seek(qint64 time); 00056 void stop(); 00057 void pause(); 00058 void setMuted(bool muted); 00059 void addEffect(EffectFactory *factory); 00060 void removeEffect(EffectFactory *factory); 00061 00062 static QmmpAudioEngine *instance(); 00063 00064 private slots: 00065 void finish(); 00066 void updateReplayGainSettings(); 00067 void updateAudioSettings(); 00068 void updateEqSettings(); 00069 00070 private: 00071 void run(); 00072 void reset(); 00073 void clearDecoders(); 00074 void flush(bool = false); 00075 void addOffset(); 00076 qint64 produceSound(unsigned char *data, qint64 size, quint32 brate); 00077 void sendMetaData(); 00078 OutputWriter *createOutput(); 00079 void prepareEffects(Decoder *d); 00080 00081 DecoderFactory *m_factory; 00082 QList <Effect*> m_effects; 00083 QList <Effect*> m_blockedEffects; 00084 OutputWriter *m_output; 00085 00086 bool m_done, m_finish, m_user_stop; 00087 uint m_bks, m_sample_size; 00088 qint64 m_seekTime; 00089 quint64 m_output_at, m_output_size; 00090 int m_bitrate; 00091 unsigned char *m_output_buf; 00092 Decoder *m_decoder; 00093 QQueue <Decoder*> m_decoders; 00094 QHash <Decoder*, InputSource*> m_inputs; 00095 AudioParameters m_ap; 00096 bool m_next; 00097 bool m_muted; 00098 QSharedPointer<QMap<Qmmp::MetaData, QString> > m_metaData; 00099 static QmmpAudioEngine *m_instance; 00100 ReplayGain *m_replayGain; 00101 QmmpSettings *m_settings; 00102 AudioConverter *m_converter; 00103 Dithering *m_dithering; 00104 }; 00105 00106 #endif // QMMPAUDIOENGINE_P_H