summaryrefslogtreecommitdiff
path: root/src/midiplayer.cc
diff options
context:
space:
mode:
Diffstat (limited to 'src/midiplayer.cc')
-rw-r--r--src/midiplayer.cc134
1 files changed, 134 insertions, 0 deletions
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;
+}
+
+