/* * input map code * * Copyright 2003 Jacob Robbins * * * This program 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. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include #include #include #include #include #include #include "../include.h" static snd_rawmidi_t* handle_in; void little_callback_test_1(void* target_object, int target_index, void* source_event, size_t source_offset){ printf("CALLBK A (pitch=%d) ",((my_midi_event_t*)source_event)->data1); } void little_callback_test_2(void* target_object, int target_index, void* source_event, size_t source_offset){ printf("CALLBK B (velocity=%d) ",((my_midi_event_t*)source_event)->data2); } void little_callback_test_3(void* target_object, int target_index, void* source_event, size_t source_offset){ printf("HARD HIT!! "); } /*test the input map object's functionality using live input from a rawmidi device*/ int main(int argc, char** argv){ unsigned char uch; char ch,ch2; int i,j,ret,disp; event_map_action_t* act; event_submap_t* sbmap; event_input_map_t* local_input_map; my_midi_event_t local_ev; input_map_callback_t cbarr[3]; cbarr[0] = little_callback_test_1; cbarr[1] = little_callback_test_2; cbarr[2] = little_callback_test_3; if (argc < 2){ printf("\n useage: rawmtest alsa_rawmidi_device_name\n\n"); printf(" (ex: hw:0,0 hw:1,0 .asoundrc-alias-name ...)\n\n"); exit(0); } printf("\n\n\n testing the input map object using input from alsa rawmidi ...\n\n"); /*Open rawmidi device*/ printf("\nopening alsa device: %s\n\n",argv[1]); if ((ret = snd_rawmidi_open(&handle_in, NULL, argv[1] , 0))<0){ printf("\nseems we have error opening rawmidi port\n"); printf("error:%s\n",snd_strerror(ret)); exit(-2); } /*Create local input map*/ if (!(local_input_map = event_input_map_create())){ printf("could not make an input map, aborting\n"); exit(3); } event_input_map_set_event_type(local_input_map, 2); printf("\n made input map with event type: %d ", event_input_map_get_event_type(local_input_map)); printf("and owner object %p\n",event_input_map_get_owner_object(local_input_map)); print_input_map(local_input_map); /*make submaps*/ i = EVENT_PARAMETER_DATA_TYPE_UCHAR; printf("\n\n inserting a submap at position 0 w/ data type %d, test type range\n",i); if ((event_input_map_insert_submap(local_input_map,0,EVENT_PARAMETER_DATA_TYPE_UCHAR,SUBMAP_TEST_TYPE_RANGE))<0) { printf("could not insert submap, aborting\n"); exit(3); } i = EVENT_PARAMETER_DATA_TYPE_UCHAR; printf("\n\n inserting a submap at position 1 w/ data type %d\n",i); if ((event_input_map_insert_submap(local_input_map,1,EVENT_PARAMETER_DATA_TYPE_UCHAR,SUBMAP_TEST_TYPE_RANGE))<0) { printf("could not insert submap, aborting\n"); exit(3); } print_input_map(local_input_map); /*configure submaps*/ /*Submap 0*/ /*modify first submap*/ printf("\n\n configuring first submap\n"); sbmap = event_input_map_get_submap(local_input_map, 0); /*first submap tests pitch (data1)*/ event_submap_set_parameter_offset(sbmap, (&local_ev.data1 - &local_ev.status)); printf("Set offset to %d\n",event_submap_get_parameter_offset(sbmap)); /*make tests for first submap*/ ch = 0; ch2 = 64; event_submap_append_test(sbmap,(void*)&ch,(void*)&ch2); ch = 65; ch2 = 100; event_submap_append_test(sbmap,(void*)&ch,(void*)&ch2); ch = 101; ch2 = 127; event_submap_append_test(sbmap,(void*)&ch,(void*)&ch2); print_input_map(local_input_map); /*add actions to first submap's tests*/ printf("\n\n adding actions to first submap's tests\n"); /*test 0*/ act = event_submap_append_test_action(sbmap, 0); event_map_action_set_type(act, EVENT_MAP_ACTION_TYPE_CALLBACK_FUNCTION); act = event_submap_append_test_action(sbmap, 0); event_map_action_set_type(act, EVENT_MAP_ACTION_TYPE_REMAP_LOCAL); event_map_action_set_target_index(act,1); /*test 1*/ act = event_submap_append_test_action(sbmap, 1); event_map_action_set_type(act, EVENT_MAP_ACTION_TYPE_CALLBACK_FUNCTION); act = event_submap_append_test_action(sbmap, 1); event_map_action_set_type(act, EVENT_MAP_ACTION_TYPE_CALLBACK_FUNCTION); event_map_action_set_function_index(act,1); act = event_submap_append_test_action(sbmap, 1); event_map_action_set_type(act, EVENT_MAP_ACTION_TYPE_REMAP_LOCAL); event_map_action_set_target_index(act,1); print_input_map(local_input_map); /*Submap 1*/ /*modify second submap*/ printf("\n\n modifying second submap\n"); sbmap = event_input_map_get_submap(local_input_map, 1); /*second submap tests velocity (data2)*/ event_submap_set_parameter_offset(sbmap, (&local_ev.data2 - &local_ev.status)); printf("Set offset to %d\n",event_submap_get_parameter_offset(sbmap)); /*make test for second submap*/ ch = 70; ch2 = 127; event_submap_append_test(sbmap,(void*)&ch,(void*)&ch2); /*add actions to second submap's test*/ printf("\n\n adding actions to second submap's test\n"); act = event_submap_append_test_action(sbmap, 0); event_map_action_set_type(act, EVENT_MAP_ACTION_TYPE_CALLBACK_FUNCTION); event_map_action_set_function_index(act,2); print_input_map(local_input_map); /********************LOOP ON RAWMIDI INPUT***********************/ ret=1; disp=0; i=0; while(1){ snd_rawmidi_read(handle_in, &uch, 1); /*NOTE: the following is an _INCOMPLETE_ MIDI event parsing */ /*NOTE: noteable failures of this code loop include SYSEX, MTC and more*/ if (uch != 254) if (uch >> 7){ local_ev.status = uch; ret = 2; if (uch > 245) disp=1; }else if (ret == 2){ local_ev.data1 = uch; if ((local_ev.status > 191)&&(local_ev.status < 224)) disp = 1; else ret = 3; }else if (ret == 3){ local_ev.data2 = uch; disp = 1; } if (disp){ /****ROUTE EVENT FUNCTION HANDLES RUNNING AN EVENT THROUGH INPUT MAPS****/ route_event(&local_ev, &local_input_map, 1, 0, cbarr, 2); printf("\n"); /*must print a newline to flush data to screen*/ disp= 0; ret = 2; } } /********************END OF RAWMIDI LOOP*************************/ /*free alsa device*/ printf("\nclosing device: %s\n",argv[1]); snd_rawmidi_drain(handle_in); snd_rawmidi_close(handle_in); /*deallocate local input map*/ printf("\n\ncleaning up\n"); event_input_map_destroy(local_input_map); printf("\n\ndone \n\n"); return 0; }