diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile.am | 2 | ||||
| -rw-r--r-- | src/beatmapper.cc | 13 | ||||
| -rw-r--r-- | src/beatmapper.h | 2 | ||||
| -rw-r--r-- | src/drumgizmo.cc | 98 | ||||
| -rw-r--r-- | src/midimapper.cc | 5 | ||||
| -rw-r--r-- | src/midiplayer.cc | 134 | ||||
| -rw-r--r-- | src/midiplayer.h | 48 |
7 files changed, 201 insertions, 101 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 6de8c3f..2108c43 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -14,6 +14,7 @@ drumgizmo_SOURCES = \ instrument.cc \ jackclient.cc \ midimapper.cc \ + midiplayer.cc \ sample.cc \ saxparser.cc \ velocity.cc @@ -28,6 +29,7 @@ EXTRA_DIST = \ instrument.h \ jackclient.h \ midimapper.h \ + midiplayer.h \ sample.h \ saxparser.h \ velocity.h diff --git a/src/beatmapper.cc b/src/beatmapper.cc index 99432ce..2600499 100644 --- a/src/beatmapper.cc +++ b/src/beatmapper.cc @@ -26,18 +26,21 @@ */ #include "beatmapper.h" +#define DEF 2.0 + BeatMapper::BeatMapper(Instrument *instrument) { this->instrument = instrument; - for(size_t i = 0; i < HISTORY_SIZE; i++) hist[i] = 1.0; + for(size_t i = 0; i < HISTORY_SIZE; i++) hist[i] = DEF; C = 1.3; - mindist = 2; + mindist = 4; last = mindist; } Sample *BeatMapper::map(jack_nframes_t nframes) { + return NULL; Sample *sample = NULL; jack_default_audio_sample_t *buffer; @@ -50,13 +53,15 @@ Sample *BeatMapper::map(jack_nframes_t nframes) float E = 0.0; for(size_t i = 0; i < HISTORY_SIZE; i++) E += hist[i] / (float)HISTORY_SIZE; - if(E == 0) E = 1.0; // We do not have a connection + if(E == 0) E = DEF; // We do not have a connection // printf("last: %d, E: %f, e: %f - threshold: %f\n", last, E, e, 1.3 * E); // Shift history and save new value for(size_t i = 0; i < HISTORY_SIZE - 1; i++) hist[i] = hist[i+1]; - hist[HISTORY_SIZE - 1] = e; + hist[HISTORY_SIZE - 1] = e>DEF?e:DEF; + + if(instrument->name == "hihat" && e > 0) printf("e: %f\n", e); if(e > C * E && last > mindist) { Velocity *v = instrument->getVelocity(127); diff --git a/src/beatmapper.h b/src/beatmapper.h index c57164b..8182e40 100644 --- a/src/beatmapper.h +++ b/src/beatmapper.h @@ -34,7 +34,7 @@ #include <map> -#define HISTORY_SIZE 43 +#define HISTORY_SIZE 200 class BeatMapper { public: diff --git a/src/drumgizmo.cc b/src/drumgizmo.cc index b3b7473..4445712 100644 --- a/src/drumgizmo.cc +++ b/src/drumgizmo.cc @@ -24,9 +24,10 @@ * along with DrumGizmo; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -#include "jackclient.h" +#include "jackclient.h" #include "drumkitparser.h" +#include "midiplayer.h" int main(int argc, char *argv[]) { @@ -37,102 +38,9 @@ int main(int argc, char *argv[]) client.activate(); - // sendMidi(); + MidiPlayer player("dimmer.mid"); while(1) sleep(1); return 0; } - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -#if 0 -#include <jack/jack.h> -#include <jack/midiport.h> - -static jack_port_t *test_midi_port = NULL; -static size_t timer = 0; -static size_t next = 44100; - -int process(jack_nframes_t nframes, void *arg) -{ - // if(jack_port_connected_to(test_midi_port, "DrumGizmo:midi_in")) { - void* port_buf = jack_port_get_buffer(test_midi_port, nframes); - - if(timer > next) { // activate every second (44100 samples) - // printf("ding\n"); - - jack_nframes_t time = (jack_nframes_t)(((float)rand() / (float)RAND_MAX) * nframes); - size_t size = 1; - jack_midi_data_t all_notes_off[] = { rand() % 2 }; - jack_midi_event_write(port_buf, time, all_notes_off, size); - - timer = 0; - next = (size_t)(((float)rand() / (float)RAND_MAX) * 0.2 * 44100); - } - - timer += nframes; - - return 0; -} - -void sendMidi() -{ - jack_status_t status; - - jack_client_t *jack_client = jack_client_open("MidiTest", JackNullOption, &status); - - test_midi_port = jack_port_register(jack_client, - "midi_out", - JACK_DEFAULT_MIDI_TYPE, - JackPortIsOutput,// | JackPortIsTerminal, - 0); - - jack_set_process_callback(jack_client, process, NULL); - - jack_activate(jack_client); - - jack_connect(jack_client, "MidiTest:midi_out", "DrumGizmo:midi_in"); - - jack_connect(jack_client, "DrumGizmo:output_1", "system:playback_1"); - jack_connect(jack_client, "DrumGizmo:output_2", "system:playback_2"); -} -#endif/*0*/ diff --git a/src/midimapper.cc b/src/midimapper.cc index 10e038f..1d2c7a8 100644 --- a/src/midimapper.cc +++ b/src/midimapper.cc @@ -80,7 +80,10 @@ Sample *MidiMapper::map(jack_midi_event_t event) } printf("]\n"); */ - if(drumkit->instruments.find(key) == drumkit->instruments.end()) return NULL; + if(drumkit->instruments.find(key) == drumkit->instruments.end()) { + printf("Unknown intrsument %d\n", key); + return NULL; + } Velocity *v = drumkit->instruments[key]->getVelocity(velocity); diff --git a/src/midiplayer.cc b/src/midiplayer.cc new file mode 100644 index 0000000..d936eae --- /dev/null +++ b/src/midiplayer.cc @@ -0,0 +1,134 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * midiplayer.cc + * + * Sat Jul 26 15:23:19 CEST 2008 + * Copyright 2008 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 "midiplayer.h" + +#define NOTE_ON 0x90 + +int _process(jack_nframes_t nframes, void *arg) +{ + return ((MidiPlayer*)arg)->process(nframes); +} + +MidiPlayer::MidiPlayer(char *filename) +{ + jack_status_t status; + + jack_client_t *jack_client = jack_client_open("MidiTest", JackNullOption, &status); + + port = jack_port_register(jack_client, + "midi_out", + JACK_DEFAULT_MIDI_TYPE, + JackPortIsOutput,// | JackPortIsTerminal, + 0); + + jack_set_process_callback(jack_client, _process, this); + + jack_activate(jack_client); + + jack_connect(jack_client, "MidiTest:midi_out", "DrumGizmo:midi_in"); + + jack_connect(jack_client, "DrumGizmo:Kick-R", "system:playback_1"); + jack_connect(jack_client, "DrumGizmo:Kick-L", "system:playback_1"); + jack_connect(jack_client, "DrumGizmo:SnareTop", "system:playback_1"); + jack_connect(jack_client, "DrumGizmo:SnareBottom", "system:playback_1"); + jack_connect(jack_client, "DrumGizmo:SnareTrigger", "system:playback_1"); + jack_connect(jack_client, "DrumGizmo:Tom1", "system:playback_1"); + jack_connect(jack_client, "DrumGizmo:Tom2", "system:playback_1"); + jack_connect(jack_client, "DrumGizmo:Tom3", "system:playback_1"); + jack_connect(jack_client, "DrumGizmo:Tom4", "system:playback_1"); + jack_connect(jack_client, "DrumGizmo:Ride", "system:playback_1"); + // jack_connect(jack_client, "DrumGizmo:Hihat", "system:playback_1"); + + jack_connect(jack_client, "DrumGizmo:Kick-R", "system:playback_2"); + jack_connect(jack_client, "DrumGizmo:Kick-L", "system:playback_2"); + jack_connect(jack_client, "DrumGizmo:SnareTop", "system:playback_2"); + jack_connect(jack_client, "DrumGizmo:SnareBottom", "system:playback_2"); + jack_connect(jack_client, "DrumGizmo:SnareTrigger", "system:playback_2"); + jack_connect(jack_client, "DrumGizmo:Tom1", "system:playback_2"); + jack_connect(jack_client, "DrumGizmo:Tom2", "system:playback_2"); + jack_connect(jack_client, "DrumGizmo:Tom3", "system:playback_2"); + jack_connect(jack_client, "DrumGizmo:Tom4", "system:playback_2"); + jack_connect(jack_client, "DrumGizmo:Ride", "system:playback_2"); + // jack_connect(jack_client, "DrumGizmo:Hihat", "system:playback_2"); + + jack_connect(jack_client, "DrumGizmo:OH-R", "system:playback_1"); + jack_connect(jack_client, "DrumGizmo:OH-L", "system:playback_2"); + jack_connect(jack_client, "DrumGizmo:Amb-R", "system:playback_1"); + jack_connect(jack_client, "DrumGizmo:Amb-L", "system:playback_2"); + + timer = 0; + next = 44100; +} + +MidiPlayer::~MidiPlayer() +{ +} + +#if 0 // All +#define NUM_INST 11 +static int inst[] = { 35, 36, 38, 46, 41, 43, 45, 47, 49, 57, 51 }; +#endif + +#if 1 // Cymbals +#define NUM_INST 3 +static int inst[] = { 51, 49, 57 }; +#endif + +#if 0 // Toms +#define NUM_INST 4 +static int inst[] = { 41, 43, 45, 47 }; +#endif + +#if 0 // Kicks +#define NUM_INST 2 +static int inst[] = { 35, 36 }; +#endif +int MidiPlayer::process(jack_nframes_t nframes) +{ + return 0; + + // if(jack_port_connected_to(test_midi_port, "DrumGizmo:midi_in")) { + void* port_buf = jack_port_get_buffer(port, nframes); + + if(timer > next) { // activate every second (44100 samples) + // printf("ding\n"); + + jack_nframes_t time = (jack_nframes_t)(((float)rand() / (float)RAND_MAX) * nframes); + size_t size = 3; + jack_midi_data_t note[] = { NOTE_ON, inst[rand() % NUM_INST], rand() % 127}; + jack_midi_event_write(port_buf, time, note, size); + + timer = 0; + next = (size_t)(((float)rand() / (float)RAND_MAX) * 0.2 * 44100); + } + + timer += nframes; + + return 0; +} + + diff --git a/src/midiplayer.h b/src/midiplayer.h new file mode 100644 index 0000000..5069ec6 --- /dev/null +++ b/src/midiplayer.h @@ -0,0 +1,48 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * midiplayer.h + * + * Sat Jul 26 15:23:18 CEST 2008 + * Copyright 2008 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_MIDIPLAYER_H__ +#define __DRUMGIZMO_MIDIPLAYER_H__ + +#include <jack/jack.h> +#include <jack/midiport.h> + +class MidiPlayer { +public: + MidiPlayer(char *filename); + ~MidiPlayer(); + + int process(jack_nframes_t nframes); + +private: + jack_client_t *jack_client; + jack_port_t *port; + + size_t timer; + size_t next; +}; + +#endif/*__DRUMGIZMO_MIDIPLAYER_H__*/ |