//========================================================= // MusE // Linux Music Editor // $Id: audioconvert.h,v 1.1.1.1 2009/12/28 16:07:33 terminator356 Exp $ // // (C) Copyright 1999-2009 Werner Schweer (ws@seh.de) // // Audio converter module created by Tim // (C) Copyright 2009-2011 Tim E. Real (terminator356 A T sourceforge D O T net) // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; version 2 of // the License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. // //========================================================= #ifndef __AUDIOCONVERT_H__ #define __AUDIOCONVERT_H__ #include #ifdef RUBBERBAND_SUPPORT #include #endif #include #include //#include "eventbase.h" class EventBase; class EventList; class SndFileR; //--------------------------------------------------------- // AudioConverter //--------------------------------------------------------- class AudioConverter { protected: int _refCount; off_t _sfCurFrame; public: AudioConverter(); ~AudioConverter(); AudioConverter* reference(); static AudioConverter* release(AudioConverter* cv); //off_t readAudio(SndFileR& /*sf*/, off_t /*sfCurFrame*/, unsigned /*offset*/, float** /*buffer*/, // int /*channels*/, int /*frames*/, bool /*doSeek*/, bool /*overwrite*/); off_t readAudio(SndFileR& /*sf*/, unsigned /*offset*/, float** /*buffer*/, int /*channels*/, int /*frames*/, bool /*doSeek*/, bool /*overwrite*/); virtual bool isValid() = 0; virtual void reset() = 0; virtual void setChannels(int ch) = 0; //virtual off_t process(SndFileR& /*sf*/, off_t /*sfCurFrame*/, float** /*buffer*/, // int /*channels*/, int /*frames*/, bool /*overwrite*/) = 0; // Interleaved buffer if stereo. virtual off_t process(SndFileR& /*sf*/, float** /*buffer*/, int /*channels*/, int /*frames*/, bool /*overwrite*/) = 0; // Interleaved buffer if stereo. }; //--------------------------------------------------------- // SRCAudioConverter //--------------------------------------------------------- class SRCAudioConverter : public AudioConverter { int _type; int _channels; SRC_STATE* _src_state; public: SRCAudioConverter(int channels, int type); ~SRCAudioConverter(); virtual bool isValid() { return _src_state != 0; } virtual void reset(); virtual void setChannels(int ch); //virtual off_t process(SndFileR& /*sf*/, off_t /*sfCurFrame*/, float** /*buffer*/, // int /*channels*/, int /*frames*/, bool /*overwrite*/); // Interleaved buffer if stereo. virtual off_t process(SndFileR& /*sf*/, float** /*buffer*/, int /*channels*/, int /*frames*/, bool /*overwrite*/); // Interleaved buffer if stereo. }; #ifdef RUBBERBAND_SUPPORT //--------------------------------------------------------- // RubberBandAudioConverter //--------------------------------------------------------- class RubberBandAudioConverter : public AudioConverter { int _options; int _channels; RubberBandStretcher* _rbs; public: RubberBandAudioConverter(int channels, int options); ~RubberBandAudioConverter(); virtual bool isValid() { return _rbs != 0; } virtual void reset(); virtual void setChannels(int ch); //virtual off_t process(SndFileR& /*sf*/, off_t /*sfCurFrame*/, float** /*buffer*/, // int /*channels*/, int /*frames*/, bool /*overwrite*/); // Interleaved buffer if stereo. virtual off_t process(SndFileR& /*sf*/, float** /*buffer*/, int /*channels*/, int /*frames*/, bool /*overwrite*/); // Interleaved buffer if stereo. }; #endif // RUBBERBAND_SUPPORT //--------------------------------------------------------- // AudioConvertMap //--------------------------------------------------------- typedef std::map >::iterator iAudioConvertMap; typedef std::map >::const_iterator ciAudioConvertMap; //typedef std::map > AudioConvertMap; class AudioConvertMap : public std::map > { public: void remapEvents(const EventList*); iAudioConvertMap addEvent(EventBase*); void removeEvent(EventBase*); //AudioConverter* getConverter(const EventBase*); iAudioConvertMap getConverter(EventBase*); }; #endif