void set_volume(unsigned left, unsigned right) { float ldB, rdB; if (!alsa.volume_mixer_name) { LOG_DEBUG("setting internal gain left: %u right: %u", left, right); LOCK; output.gainL = left; output.gainR = right; UNLOCK; return; } else { LOCK; output.gainL = FIXED_ONE; output.gainR = FIXED_ONE; UNLOCK; } // convert 16.16 fixed point to dB ldB = 20 * log10( left / 65536.0F ); rdB = 20 * log10( right / 65536.0F ); set_mixer(alsa.ctl, alsa.volume_mixer_name, alsa.volume_mixer_index, false, ldB, rdB); }
/* Receive a command from the client and execute it. */ static void handle_command (const int client_id) { int cmd; int err = 0; struct client *cli = &clients[client_id]; if (!get_int(cli->socket, &cmd)) { logit ("Failed to get command from the client"); close (cli->socket); del_client (cli); return; } switch (cmd) { case CMD_QUIT: logit ("Exit request from the client"); close (cli->socket); del_client (cli); server_quit = 1; break; case CMD_LIST_CLEAR: logit ("Clearing the list"); audio_plist_clear (); break; case CMD_LIST_ADD: if (!req_list_add(cli)) err = 1; break; case CMD_PLAY: if (!req_play(cli)) err = 1; break; case CMD_DISCONNECT: logit ("Client disconnected"); close (cli->socket); del_client (cli); break; case CMD_PAUSE: audio_pause (); break; case CMD_UNPAUSE: audio_unpause (); break; case CMD_STOP: audio_stop (); break; case CMD_GET_CTIME: if (!send_data_int(cli, MAX(0, audio_get_time()))) err = 1; break; case CMD_SEEK: if (!req_seek(cli)) err = 1; break; case CMD_JUMP_TO: if (!req_jump_to(cli)) err = 1; break; case CMD_GET_SNAME: if (!send_sname(cli)) err = 1; break; case CMD_GET_STATE: if (!send_data_int(cli, audio_get_state())) err = 1; break; case CMD_GET_BITRATE: if (!send_data_int(cli, sound_info.bitrate)) err = 1; break; case CMD_GET_AVG_BITRATE: if (!send_data_int(cli, sound_info.avg_bitrate)) err = 1; break; case CMD_GET_RATE: if (!send_data_int(cli, sound_info.rate)) err = 1; break; case CMD_GET_CHANNELS: if (!send_data_int(cli, sound_info.channels)) err = 1; break; case CMD_NEXT: audio_next (); break; case CMD_PREV: audio_prev (); break; case CMD_PING: if (!send_int(cli->socket, EV_PONG)) err = 1; break; case CMD_GET_OPTION: if (!send_option(cli)) err = 1; break; case CMD_SET_OPTION: if (!get_set_option(cli)) err = 1; break; case CMD_GET_MIXER: if (!send_data_int(cli, audio_get_mixer())) err = 1; break; case CMD_SET_MIXER: if (!set_mixer(cli)) err = 1; break; case CMD_DELETE: if (!delete_item(cli)) err = 1; break; case CMD_SEND_PLIST_EVENTS: cli->wants_plist_events = 1; logit ("Request for events"); break; case CMD_GET_PLIST: if (!get_client_plist(cli)) err = 1; break; case CMD_SEND_PLIST: if (!req_send_plist(cli)) err = 1; break; case CMD_CAN_SEND_PLIST: cli->can_send_plist = 1; break; case CMD_CLI_PLIST_ADD: case CMD_CLI_PLIST_DEL: case CMD_CLI_PLIST_CLEAR: case CMD_CLI_PLIST_MOVE: if (!plist_sync_cmd(cli, cmd)) err = 1; break; case CMD_LOCK: if (!client_lock(cli)) err = 1; break; case CMD_UNLOCK: if (!client_unlock(cli)) err = 1; break; case CMD_GET_SERIAL: if (!send_serial(cli)) err = 1; break; case CMD_PLIST_GET_SERIAL: if (!req_plist_get_serial(cli)) err = 1; break; case CMD_PLIST_SET_SERIAL: if (!req_plist_set_serial(cli)) err = 1; break; case CMD_GET_TAGS: if (!req_get_tags(cli)) err = 1; break; case CMD_TOGGLE_MIXER_CHANNEL: req_toggle_mixer_channel (); break; case CMD_TOGGLE_SOFTMIXER: req_toggle_softmixer (); break; case CMD_GET_MIXER_CHANNEL_NAME: if (!req_get_mixer_channel_name(cli)) err = 1; break; case CMD_GET_FILE_TAGS: if (!get_file_tags(client_id)) err = 1; break; case CMD_ABORT_TAGS_REQUESTS: if (!abort_tags_requests(client_id)) err = 1; break; case CMD_LIST_MOVE: if (!req_list_move(cli)) err = 1; break; case CMD_TOGGLE_EQUALIZER: req_toggle_equalizer(); break; case CMD_EQUALIZER_REFRESH: req_equalizer_refresh(); break; case CMD_EQUALIZER_PREV: req_equalizer_prev(); break; case CMD_EQUALIZER_NEXT: req_equalizer_next(); break; case CMD_TOGGLE_MAKE_MONO: req_toggle_make_mono(); break; case CMD_QUEUE_ADD: if (!req_queue_add(cli)) err = 1; break; case CMD_QUEUE_DEL: if (!req_queue_del(cli)) err = 1; break; case CMD_QUEUE_CLEAR: logit ("Clearing the queue"); audio_queue_clear (); add_event_all (EV_QUEUE_CLEAR, NULL); break; case CMD_QUEUE_MOVE: if (!req_queue_move(cli)) err = 1; break; case CMD_GET_QUEUE: if (!req_send_queue(cli)) err = 1; break; default: logit ("Bad command (0x%x) from the client", cmd); err = 1; } if (err) { logit ("Closing client connection due to error"); close (cli->socket); del_client (cli); } }
gresser(){ function<diffv(const storage::storage_base*)> getdiff(&gresser::get_diff); function<int(const storage::storage_base*, const diffv&, diffv&)> reduce(&gresser::reduce); function<int(storage::storage_base*, const diffv&)> putdiff(&gresser::put_diff); set_mixer(getdiff, reduce, putdiff); }
int main (int argc, char * argv[]) { struct roar_connection con; char * server = NULL; char * k = NULL; int i; int t = 0; for (i = 1; i < argc; i++) { k = argv[i]; if ( strcmp(k, "--server") == 0 ) { server = argv[++i]; } else if ( strcmp(k, "-v") == 0 || strcmp(k, "--verbose") == 0 ) { g_verbose++; } else if ( strcmp(k, "--help") == 0 ) { usage(); return 0; } else if ( strcmp(k, "--list-aiprofiles") == 0 ) { list_aiprofiles(); return 0; } else if ( strcmp(k, "--enum-servers") == 0 ) { enum_servers(); return 0; } else if ( *k == '-' ) { fprintf(stderr, "Error: unknown argument: %s\n", k); usage(); return 1; } else { break; } } // connect if ( roar_simple_connect(&con, server, "roarctl") == -1 ) { fprintf(stderr, "Error: Can not connect to server\n"); return 1; } if ( i == argc ) { fprintf(stderr, "Error: No Commands given\n"); return 0; // this is not a fatal error... } for (; i < argc; i++) { k = argv[i]; // cmd is in k printf("--- [ %s ] ---\n", k); if ( !strcmp(k, "help") ) { usage(); } else if ( !strcmp(k, "sleep") ) { sleep(atoi(argv[++i])); } else if ( !strcmp(k, "ping") ) { #ifdef ROAR_HAVE_GETTIMEOFDAY if ( ping(&con, atoi(argv[++i])) == -1 ) { fprintf(stderr, "Error: can not ping\n"); } #else fprintf(stderr, "Error: ping not supported.\n"); i++; #endif } else if ( !strcmp(k, "standby") || !strcmp(k, "off") ) { if ( roar_set_standby(&con, ROAR_STANDBY_ACTIVE) == -1 ) { fprintf(stderr, "Error: can not set mode to standby\n"); } else { printf("going into standby\n"); } } else if ( !strcmp(k, "resume") || !strcmp(k, "on") ) { if ( roar_set_standby(&con, ROAR_STANDBY_INACTIVE) == -1 ) { fprintf(stderr, "Error: can not set mode to active\n"); } else { printf("going into active mode\n"); } } else if ( !strcmp(k, "exit") ) { if ( roar_terminate(&con, 0) == -1 ) { fprintf(stderr, "Error: can not quit server\n"); } else { printf("Server quited\n"); break; } } else if ( !strcmp(k, "terminate") ) { if ( roar_terminate(&con, 1) == -1 ) { fprintf(stderr, "Error: can not terminate server\n"); } else { printf("Server got asked to quited\n"); break; } } else if ( !strcmp(k, "standbymode") ) { t = roar_get_standby(&con); if ( t == -1 ) { fprintf(stderr, "Error: can not get stanby mode\n"); } else if ( t == ROAR_STANDBY_ACTIVE ) { printf("Server is in standby\n"); } else if ( t == ROAR_STANDBY_INACTIVE ) { printf("Server is active\n"); } else { fprintf(stderr, "Error: unknown standby mode: %i\n", t); } } else if ( !strcmp(k, "whoami") ) { printf("My client ID is: %i\n", roar_get_clientid(&con)); } else if ( !strcmp(k, "serverinfo") ) { server_info(&con); } else if ( !strcmp(k, "serveroinfo") ) { server_oinfo(&con); } else if ( !strcmp(k, "serverstandards") ) { server_standards(&con); } else if ( !strcmp(k, "listclients") ) { list_clients(&con); } else if ( !strcmp(k, "liststreams") ) { list_streams(&con); } else if ( !strcmp(k, "allinfo") ) { server_oinfo(&con); printf("\n"); list_clients(&con); printf("\n"); list_streams(&con); } else if ( !strcmp(k, "kick") ) { t = roar_str2ot((k = argv[++i])); if ( t == -1 ) { fprintf(stderr, "Error: unknown type: %s\n", k); continue; } //t = atoi(argv[i++]); if ( roar_kick(&con, t, atoi(argv[++i])) == -1 ) { fprintf(stderr, "Error: can not kick %s\n", k); } else { printf("%s kicked\n", k); } } else if ( !strcmp(k, "newvirtual") ) { if ( newvirtual(&con, argv[i+1], argv[i+2], argv[i+3], argv[i+4], argv[i+5], argv[i+6]) == -1 ) { fprintf(stderr, "Error: can not create new virtual stream\n"); } else { printf("virtual stream created\n"); } i += 6; } else if ( !strcmp(k, "volume") ) { if ( set_mixer(&con, &i, argc, argv) == -1 ) { fprintf(stderr, "Error: can not set volume\n"); } else { printf("volume changed\n"); } } else if ( !strcmp(k, "flag") ) { i++; if ( set_flags(&con, atoi(argv[i]), ROAR_SET_FLAG, argv[i+1]) == -1 ) { fprintf(stderr, "Error: can not set flags\n"); } else { printf("flags changed\n"); } i++; } else if ( !strcmp(k, "unflag") ) { i++; if ( set_flags(&con, atoi(argv[i]), ROAR_RESET_FLAG, argv[i+1]) == -1 ) { fprintf(stderr, "Error: can not reset flags\n"); } else { printf("flags changed\n"); } i++; } else if ( !strcmp(k, "metaset") ) { i++; if ( set_meta(&con, atoi(argv[i]), argv[i+1], argv[i+2], argv[i+3]) == -1 ) { fprintf(stderr, "Error: can not set meta data\n"); } else { printf("meta data changed\n"); } i += 3; } else if ( !strcmp(k, "metaget") ) { i++; if ( show_meta_type(&con, atoi(argv[i]), argv[i+1]) == -1 ) { fprintf(stderr, "Error: can not get meta data\n"); } i++; } else if ( !strcmp(k, "metasave") ) { i++; if ( save_meta(&con, atoi(argv[i]), argv[i+1]) == -1 ) { fprintf(stderr, "Error: can not get meta data\n"); } else { printf("meta data saved\n"); } i++; } else if ( !strcmp(k, "metaload") ) { i++; if ( load_meta(&con, atoi(argv[i]), argv[i+1]) == -1 ) { fprintf(stderr, "Error: can not set meta data\n"); } else { printf("meta data saved\n"); } i++; } else if ( !strcmp(k, "listaiprofiles") || !strcmp(k, "listprofiles") ) { if ( list_aiprofiles() == -1 ) { fprintf(stderr, "Error: can not list profiles\n"); } } else if ( !strcmp(k, "aiprofileget") || !strcmp(k, "profileget") ) { i++; if ( show_aiprofile(argv[i]) == -1 ) { fprintf(stderr, "Error: can not get profile data\n"); } } else { fprintf(stderr, "Error: invalid command: %s\n", k); } } roar_disconnect(&con); return 0; }