From cd0e36773992e26985bdec1f7a5341f83fa3e521 Mon Sep 17 00:00:00 2001 From: deva Date: Fri, 15 Jul 2011 13:02:33 +0000 Subject: New input/output plugin architecture. New LV2 plugin. --- drumgizmo/input/midifile/Makefile.am | 27 +++ .../input/midifile/audioinputenginemidifile.cc | 44 ++++ .../input/midifile/audioinputenginemidifile.h | 41 ++++ drumgizmo/input/midifile/midifile.cc | 235 +++++++++++++++++++++ drumgizmo/input/midifile/midimap.cc | 96 +++++++++ drumgizmo/input/midifile/midimap.h | 43 ++++ 6 files changed, 486 insertions(+) create mode 100644 drumgizmo/input/midifile/Makefile.am create mode 100644 drumgizmo/input/midifile/audioinputenginemidifile.cc create mode 100644 drumgizmo/input/midifile/audioinputenginemidifile.h create mode 100644 drumgizmo/input/midifile/midifile.cc create mode 100644 drumgizmo/input/midifile/midimap.cc create mode 100644 drumgizmo/input/midifile/midimap.h (limited to 'drumgizmo/input/midifile') diff --git a/drumgizmo/input/midifile/Makefile.am b/drumgizmo/input/midifile/Makefile.am new file mode 100644 index 0000000..30a2db4 --- /dev/null +++ b/drumgizmo/input/midifile/Makefile.am @@ -0,0 +1,27 @@ + +midifilesources = \ + midifile.cc \ + midimap.cc + +if HAVE_INPUT_MIDIFILE + +midifileltlibs = libmidifile.la +midifilebuildsources = $(midifilesources) + +else + +midifileltlibs = +midifilebuildsources = + +endif + +EXTRA_DIST = $(midifilesources) + +lib_LTLIBRARIES = $(midifileltlibs) + +libdir = $(INPUT_PLUGIN_DIR) + +INCLUDES = -I$(top_srcdir)/include $(SMF_CFLAGS) +libmidifile_la_LDFLAGS = $(SMF_LIBS) +libmidifile_la_LIBADD = +libmidifile_la_SOURCES = $(midifilebuildsources) diff --git a/drumgizmo/input/midifile/audioinputenginemidifile.cc b/drumgizmo/input/midifile/audioinputenginemidifile.cc new file mode 100644 index 0000000..878ca1b --- /dev/null +++ b/drumgizmo/input/midifile/audioinputenginemidifile.cc @@ -0,0 +1,44 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * audioinputenginemidifile.cc + * + * Sun Feb 27 11:43:32 CET 2011 + * Copyright 2011 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo 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; either version 2 of the License, or + * (at your option) any later version. + * + * DrumGizmo 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 DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#include "audioinputenginemidifile.h" + +#ifdef TEST_AUDIOINPUTENGINEMIDIFILE +//Additional dependency files +//deps: +//Required cflags (autoconf vars may be used) +//cflags: +//Required link options (autoconf vars may be used) +//libs: +#include "test.h" + +TEST_BEGIN; + +// TODO: Put some testcode here (see test.h for usable macros). + +TEST_END; + +#endif/*TEST_AUDIOINPUTENGINEMIDIFILE*/ diff --git a/drumgizmo/input/midifile/audioinputenginemidifile.h b/drumgizmo/input/midifile/audioinputenginemidifile.h new file mode 100644 index 0000000..6bb9ff6 --- /dev/null +++ b/drumgizmo/input/midifile/audioinputenginemidifile.h @@ -0,0 +1,41 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * audioinputenginemidifile.h + * + * Sun Feb 27 11:43:32 CET 2011 + * Copyright 2011 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo 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; either version 2 of the License, or + * (at your option) any later version. + * + * DrumGizmo 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 DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#ifndef __DRUMGIZMO_AUDIOINPUTENGINEMIDIFILE_H__ +#define __DRUMGIZMO_AUDIOINPUTENGINEMIDIFILE_H__ + +#include "audioinputengine.h" + +class AudioInputEngineMidiFile : public AudioInputEngine { +public: + AudioInputEngineMidiFile() {} + ~AudioInputEngineMidiFile() {} + + bool init(EventQueue *eventqueue, DrumKit *drumkit) { return true; } + void run(size_t pos, size_t len) {} +}; + +#endif/*__DRUMGIZMO_AUDIOINPUTENGINEMIDIFILE_H__*/ diff --git a/drumgizmo/input/midifile/midifile.cc b/drumgizmo/input/midifile/midifile.cc new file mode 100644 index 0000000..7b17028 --- /dev/null +++ b/drumgizmo/input/midifile/midifile.cc @@ -0,0 +1,235 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * dummy.cc + * + * Sat Apr 30 21:11:54 CEST 2011 + * Copyright 2011 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo 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; either version 2 of the License, or + * (at your option) any later version. + * + * DrumGizmo 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 DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#include + +#include +#include + +#include + +#include "midimap.h" + +#define NOTE_ON 0x90 + +class MidiFile { +public: + MidiFile(); + ~MidiFile() {} + + bool init(int instruments, char *inames[]); + + void setParm(std::string parm, std::string value); + + bool start(); + void stop(); + + void pre(); + event_t *run(size_t pos, size_t len, size_t *nevents); + void post(); + +private: + smf_t *smf; + smf_event_t *cur_event; + + MidiMap mmap; + + // Parameters + std::string filename; + float speed; + int track; + std::string midimapfile; +}; + +MidiFile::MidiFile() +{ + cur_event = NULL; + smf = NULL; + + filename = ""; + speed = 1.0; + track = 0; +} + +bool MidiFile::init(int instruments, char *inames[]) +{ + smf = smf_load(filename.c_str()); + + mmap.load(midimapfile); + + return true; +} + +void MidiFile::setParm(std::string parm, std::string value) +{ + if(parm == "file") filename = value; + if(parm == "speed") speed = atof(value.c_str()); + if(parm == "track") track = atoi(value.c_str()); + if(parm == "midimap") midimapfile = value; +} + +bool MidiFile::start() +{ + return true; +} + +void MidiFile::stop() +{ +} + +void MidiFile::pre() +{ +} + +event_t *MidiFile::run(size_t pos, size_t len, size_t *nevents) +{ + event_t *evs = NULL; + size_t nevs = 0; + + double cur_max_time = (double)(pos + len) / (44100.0 / speed); + // double cur_min_time = (double)(pos) / (44100.0 / speed); + + if(!cur_event) cur_event = smf_get_next_event(smf); + + while(cur_event && cur_event->time_seconds < cur_max_time) { + if(!smf_event_is_metadata(cur_event)) { + if( (cur_event->midi_buffer_length == 3) && + ((cur_event->midi_buffer[0] & NOTE_ON) == NOTE_ON) && + cur_event->track_number == track && cur_event->midi_buffer[2] > 0) { + + if(evs == NULL) evs = (event_t *)malloc(sizeof(event_t) * 1000); + + int key = cur_event->midi_buffer[1]; + int velocity = cur_event->midi_buffer[2]; + + evs[nevs].type = TYPE_ONSET; + size_t evpos = cur_event->time_seconds * (44100.0 / speed); + evs[nevs].offset = evpos - pos; + /* + printf("evpos: %d, sec: %f, pos: %d, len: %d, max_time: %f\n", + evpos, cur_event->time_seconds, pos, len, cur_max_time); + */ + evs[nevs].instrument = mmap.lookup(key); + evs[nevs].velocity = velocity / 127.0; + + nevs++; + if(nevs > 999) { + printf("PANIC!\n"); + break; + } + } + } + + cur_event = smf_get_next_event(smf); + } + + if(!cur_event) { + if(evs == NULL) evs = (event_t *)malloc(sizeof(event_t) * 1000); + evs[nevs].type = TYPE_STOP; + evs[nevs].offset = len - 1; + nevs++; + } + + *nevents = nevs; + + return evs; +} + +void MidiFile::post() +{ +} + +extern "C" { + void *create() + { + return new MidiFile(); + } + + void destroy(void *h) + { + MidiFile *midifile = (MidiFile*)h; + delete midifile; + } + + bool init(void *h, int i, char *inames[]) + { + MidiFile *midifile = (MidiFile*)h; + return midifile->init(i, inames); + } + + void setparm(void *h, const char *parm, const char *value) + { + MidiFile *midifile = (MidiFile*)h; + midifile->setParm(parm, value); + } + + bool start(void *h) + { + MidiFile *midifile = (MidiFile*)h; + return midifile->start(); + } + + void stop(void *h) + { + MidiFile *midifile = (MidiFile*)h; + midifile->stop(); + } + + void pre(void *h) + { + MidiFile *midifile = (MidiFile*)h; + midifile->pre(); + } + + event_t *run(void *h, size_t pos, size_t len, size_t *nev) + { + MidiFile *midifile = (MidiFile*)h; + return midifile->run(pos, len, nev); + } + + void post(void *h) + { + MidiFile *midifile = (MidiFile*)h; + midifile->post(); + } +} + +#ifdef TEST_AUDIOINPUTENGINEMIDIFILE +//Additional dependency files +//deps: +//Required cflags (autoconf vars may be used) +//cflags: +//Required link options (autoconf vars may be used) +//libs: +#include "test.h" + +TEST_BEGIN; + +// TODO: Put some testcode here (see test.h for usable macros). + +TEST_END; + +#endif/*TEST_AUDIOINPUTENGINEMIDIFILE*/ diff --git a/drumgizmo/input/midifile/midimap.cc b/drumgizmo/input/midifile/midimap.cc new file mode 100644 index 0000000..ccb9b3c --- /dev/null +++ b/drumgizmo/input/midifile/midimap.cc @@ -0,0 +1,96 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * midimap.cc + * + * Mon Jun 13 21:36:30 CEST 2011 + * Copyright 2011 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo 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; either version 2 of the License, or + * (at your option) any later version. + * + * DrumGizmo 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 DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#include "midimap.h" + +/* + + 35 = 1 + 36-51 = 2 - TODO! + 51, 53 = 3 - TODO! + 54, 56-59, 62 = 4 - TODO! + + */ + +#include +#include + +MidiMap::MidiMap() +{ +} + +bool MidiMap::load(std::string file) +{ + FILE *fp = fopen(file.c_str(), "r"); + if(!fp) return false; + + std::string line; + while(!feof(fp)) { + int c = fgetc(fp); + // printf("[%c]\n", c); + if(c == '\n') { + if(line != "") { + int from = atoi(line.substr(0, line.find('=')).c_str()); + int to = atoi(line.substr(line.find('=')+1, + line.length()-line.find('=')+1).c_str()); + map[from] = to; + // printf("Line: '%s', from: %d to: %d\n", line.c_str(), from, to); + + } + line = ""; + } else { + if((c >= '0' && c <= '9') || c == ',' || c == '-' || c == '=') { + line += (char)c; + } else { + if(c != '\t' && c != ' ') return false; // Parse error. + } + } + } + + return true; +} + +int MidiMap::lookup(int note) +{ + return map[note]; +} + +#ifdef TEST_MIDIMAP +//Additional dependency files +//deps: +//Required cflags (autoconf vars may be used) +//cflags: +//Required link options (autoconf vars may be used) +//libs: +#include "test.h" + +TEST_BEGIN; + +// TODO: Put some testcode here (see test.h for usable macros). + +TEST_END; + +#endif/*TEST_MIDIMAP*/ diff --git a/drumgizmo/input/midifile/midimap.h b/drumgizmo/input/midifile/midimap.h new file mode 100644 index 0000000..183d2d3 --- /dev/null +++ b/drumgizmo/input/midifile/midimap.h @@ -0,0 +1,43 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * midimap.h + * + * Mon Jun 13 21:36:29 CEST 2011 + * Copyright 2011 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo 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; either version 2 of the License, or + * (at your option) any later version. + * + * DrumGizmo 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 DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#ifndef __DRUMGIZMO_MIDIMAP_H__ +#define __DRUMGIZMO_MIDIMAP_H__ + +#include +#include + +class MidiMap { +public: + MidiMap(); + bool load(std::string file); + int lookup(int note); + +private: + std::map map; +}; + +#endif/*__DRUMGIZMO_MIDIMAP_H__*/ -- cgit v1.2.3