From 242285d4863a66b4033ca7b5371bae5160ccf62c Mon Sep 17 00:00:00 2001 From: deva Date: Mon, 21 Jul 2008 11:01:04 +0000 Subject: First very simple sample implementation. Basic MIDI test framework. --- src/drumgizmo.cc | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 53 insertions(+), 1 deletion(-) (limited to 'src/drumgizmo.cc') diff --git a/src/drumgizmo.cc b/src/drumgizmo.cc index 019abbb..737a197 100644 --- a/src/drumgizmo.cc +++ b/src/drumgizmo.cc @@ -24,14 +24,66 @@ * 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 +#include + +static jack_port_t *test_midi_port = NULL; +static size_t timer = 0; + +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 > 44100) { // activate every second (44100 samples) + printf("ding\n"); + + jack_nframes_t time = 1; + size_t size = 3; + jack_midi_data_t all_notes_off[] = { 0xB0, 123, 0 }; + jack_midi_event_write(port_buf, time, all_notes_off, size); + timer = 0; + } + + 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"); +} + int main(int argc, char *argv[]) { JackClient client; client.activate(); + + sendMidi(); + + while(1) sleep(1); + return 0; } -- cgit v1.2.3