From cd0e36773992e26985bdec1f7a5341f83fa3e521 Mon Sep 17 00:00:00 2001
From: deva <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 <stdlib.h>
+
+#include <string>
+#include <event.h>
+
+#include <smf.h>
+
+#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 <stdio.h>
+#include <stdlib.h>
+
+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 <map>
+#include <string>
+
+class MidiMap {
+public:
+ MidiMap();
+ bool load(std::string file);
+ int lookup(int note);
+
+private:
+ std::map<int, int> map;
+};
+
+#endif/*__DRUMGIZMO_MIDIMAP_H__*/
--
cgit v1.2.3