//========================================================= // MusE // Linux Music Editor // $Id: mess.h,v 1.3.2.3 2009/11/19 04:20:33 terminator356 Exp $ // (C) Copyright 2001-2004 Werner Schweer (ws@seh.de) // // 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 __MESS_H__ #define __MESS_H__ #define MESS_MAJOR_VERSION 1 #define MESS_MINOR_VERSION 1 #include "mpevent.h" class QWidget; class QString; class MessP; //--------------------------------------------------------- // MidiPatch //--------------------------------------------------------- #define MP_TYPE_GM 1 #define MP_TYPE_GS 2 #define MP_TYPE_XG 4 #define MP_TYPE_LBANK 8 #define MP_TYPE_HBANK 16 struct MidiPatch { signed char typ; // 1 - GM 2 - GS 4 - XG signed char hbank, lbank, prog; const char* name; }; //--------------------------------------------------------- // Mess // MusE experimental software synth // Instance virtual interface class // NOTICE: If implementing sysex support, be sure to make a unique ID and use // it to filter out unrecognized sysexes. Headers should be constructed as: // MUSE_SYNTH_SYSEX_MFG_ID The MusE SoftSynth Manufacturer ID byte (0x7C) found in midi.h // 0xNN The synth's unique ID byte //--------------------------------------------------------- class Mess { MessP* d; int _sampleRate; int _channels; // 1 - mono, 2 - stereo public: Mess(int channels); virtual ~Mess(); // This is only a kludge required to support old songs' midistates. Do not use in any new synth. virtual int oldMidiStateHeader(const unsigned char** /*data*/) const { return 0; } int channels() const { return _channels; } int sampleRate() const { return _sampleRate; } void setSampleRate(int r) { _sampleRate = r; } virtual void processMessages() { }; virtual void process(float** data, int offset, int len) = 0; // the synti has to (re-)implement processEvent() or provide // some of the next three functions: virtual bool processEvent(const MusECore::MidiPlayEvent&); virtual bool setController(int, int, int) { return false; } virtual bool playNote(int, int, int) { return false; } virtual bool sysex(int, const unsigned char*) { return false; } virtual void getInitData(int* n, const unsigned char**) /*const*/ { *n = 0; } // No const: Synths may need to allocate member pointers. p4.0.27 Tim virtual int getControllerInfo(int, const char**, int*, int*, int*, int*) const {return 0;} virtual const char* getPatchName(int, int, bool) const { return "?"; } virtual const MidiPatch* getPatchInfo(int, const MidiPatch*) const { return 0; } // synthesizer -> host communication void sendEvent(MusECore::MidiPlayEvent); // called from synti MusECore::MidiPlayEvent receiveEvent(); // called from host int eventsPending() const; // GUI interface routines virtual bool hasGui() const { return false; } virtual bool guiVisible() const { return false; } virtual void showGui(bool) {} virtual bool hasNativeGui() const { return false; } virtual bool nativeGuiVisible() const { return false; } virtual void showNativeGui(bool) {} virtual void getGeometry(int* x, int* y, int* w, int* h) const; virtual void setGeometry(int, int, int, int) {} virtual void getNativeGeometry(int* x, int* y, int* w, int* h) const; virtual void setNativeGeometry(int, int, int, int) {} }; //--------------------------------------------------------- // MESS // Class descriptor //--------------------------------------------------------- struct MESS { const char* name; const char* description; const char* version; int majorMessVersion, minorMessVersion; Mess* (*instantiate)(int sr, QWidget* parent, QString* projectPathPtr, const char* name); }; extern "C" { const MESS* mess_descriptor(); } #endif