diff options
Diffstat (limited to 'alsa-utils/seq/aseqdump/aseqdump.c')
-rw-r--r-- | alsa-utils/seq/aseqdump/aseqdump.c | 438 |
1 files changed, 0 insertions, 438 deletions
diff --git a/alsa-utils/seq/aseqdump/aseqdump.c b/alsa-utils/seq/aseqdump/aseqdump.c deleted file mode 100644 index 24c5d21..0000000 --- a/alsa-utils/seq/aseqdump/aseqdump.c +++ /dev/null @@ -1,438 +0,0 @@ -/* - * aseqdump.c - show the events received at an ALSA sequencer port - * - * Copyright (c) 2005 Clemens Ladisch <clemens@ladisch.de> - * - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> -#include <string.h> -#include <signal.h> -#include <getopt.h> -#include <sys/poll.h> -#include <alsa/asoundlib.h> -#include "aconfig.h" -#include "version.h" - -static snd_seq_t *seq; -static int port_count; -static snd_seq_addr_t *ports; -static volatile sig_atomic_t stop = 0; - - -/* prints an error message to stderr, and dies */ -static void fatal(const char *msg, ...) -{ - va_list ap; - - va_start(ap, msg); - vfprintf(stderr, msg, ap); - va_end(ap); - fputc('\n', stderr); - exit(EXIT_FAILURE); -} - -/* memory allocation error handling */ -static void check_mem(void *p) -{ - if (!p) - fatal("Out of memory"); -} - -/* error handling for ALSA functions */ -static void check_snd(const char *operation, int err) -{ - if (err < 0) - fatal("Cannot %s - %s", operation, snd_strerror(err)); -} - -static void init_seq(void) -{ - int err; - - /* open sequencer */ - err = snd_seq_open(&seq, "default", SND_SEQ_OPEN_DUPLEX, 0); - check_snd("open sequencer", err); - - /* set our client's name */ - err = snd_seq_set_client_name(seq, "aseqdump"); - check_snd("set client name", err); -} - -/* parses one or more port addresses from the string */ -static void parse_ports(const char *arg) -{ - char *buf, *s, *port_name; - int err; - - /* make a copy of the string because we're going to modify it */ - buf = strdup(arg); - check_mem(buf); - - for (port_name = s = buf; s; port_name = s + 1) { - /* Assume that ports are separated by commas. We don't use - * spaces because those are valid in client names. */ - s = strchr(port_name, ','); - if (s) - *s = '\0'; - - ++port_count; - ports = realloc(ports, port_count * sizeof(snd_seq_addr_t)); - check_mem(ports); - - err = snd_seq_parse_address(seq, &ports[port_count - 1], port_name); - if (err < 0) - fatal("Invalid port %s - %s", port_name, snd_strerror(err)); - } - - free(buf); -} - -static void create_port(void) -{ - int err; - - err = snd_seq_create_simple_port(seq, "aseqdump", - SND_SEQ_PORT_CAP_WRITE | - SND_SEQ_PORT_CAP_SUBS_WRITE, - SND_SEQ_PORT_TYPE_MIDI_GENERIC | - SND_SEQ_PORT_TYPE_APPLICATION); - check_snd("create port", err); -} - -static void connect_ports(void) -{ - int i, err; - - for (i = 0; i < port_count; ++i) { - err = snd_seq_connect_from(seq, 0, ports[i].client, ports[i].port); - if (err < 0) - fatal("Cannot connect from port %d:%d - %s", - ports[i].client, ports[i].port, snd_strerror(err)); - } -} - -static void dump_event(const snd_seq_event_t *ev) -{ - printf("%3d:%-3d ", ev->source.client, ev->source.port); - switch (ev->type) { - case SND_SEQ_EVENT_NOTEON: - if (ev->data.note.velocity) - printf("Note on %2d, note %d, velocity %d\n", - ev->data.note.channel, ev->data.note.note, ev->data.note.velocity); - else - printf("Note off %2d, note %d\n", - ev->data.note.channel, ev->data.note.note); - break; - case SND_SEQ_EVENT_NOTEOFF: - printf("Note off %2d, note %d, velocity %d\n", - ev->data.note.channel, ev->data.note.note, ev->data.note.velocity); - break; - case SND_SEQ_EVENT_KEYPRESS: - printf("Polyphonic aftertouch %2d, note %d, value %d\n", - ev->data.note.channel, ev->data.note.note, ev->data.note.velocity); - break; - case SND_SEQ_EVENT_CONTROLLER: - printf("Control change %2d, controller %d, value %d\n", - ev->data.control.channel, ev->data.control.param, ev->data.control.value); - break; - case SND_SEQ_EVENT_PGMCHANGE: - printf("Program change %2d, program %d\n", - ev->data.control.channel, ev->data.control.value); - break; - case SND_SEQ_EVENT_CHANPRESS: - printf("Channel aftertouch %2d, value %d\n", - ev->data.control.channel, ev->data.control.value); - break; - case SND_SEQ_EVENT_PITCHBEND: - printf("Pitch bend %2d, value %d\n", - ev->data.control.channel, ev->data.control.value); - break; - case SND_SEQ_EVENT_CONTROL14: - printf("Control change %2d, controller %d, value %5d\n", - ev->data.control.channel, ev->data.control.param, ev->data.control.value); - break; - case SND_SEQ_EVENT_NONREGPARAM: - printf("Non-reg. parameter %2d, parameter %d, value %d\n", - ev->data.control.channel, ev->data.control.param, ev->data.control.value); - break; - case SND_SEQ_EVENT_REGPARAM: - printf("Reg. parameter %2d, parameter %d, value %d\n", - ev->data.control.channel, ev->data.control.param, ev->data.control.value); - break; - case SND_SEQ_EVENT_SONGPOS: - printf("Song position pointer value %d\n", - ev->data.control.value); - break; - case SND_SEQ_EVENT_SONGSEL: - printf("Song select value %d\n", - ev->data.control.value); - break; - case SND_SEQ_EVENT_QFRAME: - printf("MTC quarter frame %02xh\n", - ev->data.control.value); - break; - case SND_SEQ_EVENT_TIMESIGN: - // XXX how is this encoded? - printf("SMF time signature (%#010x)\n", - ev->data.control.value); - break; - case SND_SEQ_EVENT_KEYSIGN: - // XXX how is this encoded? - printf("SMF key signature (%#010x)\n", - ev->data.control.value); - break; - case SND_SEQ_EVENT_START: - if (ev->source.client == SND_SEQ_CLIENT_SYSTEM && - ev->source.port == SND_SEQ_PORT_SYSTEM_TIMER) - printf("Queue start queue %d\n", - ev->data.queue.queue); - else - printf("Start\n"); - break; - case SND_SEQ_EVENT_CONTINUE: - if (ev->source.client == SND_SEQ_CLIENT_SYSTEM && - ev->source.port == SND_SEQ_PORT_SYSTEM_TIMER) - printf("Queue continue queue %d\n", - ev->data.queue.queue); - else - printf("Continue\n"); - break; - case SND_SEQ_EVENT_STOP: - if (ev->source.client == SND_SEQ_CLIENT_SYSTEM && - ev->source.port == SND_SEQ_PORT_SYSTEM_TIMER) - printf("Queue stop queue %d\n", - ev->data.queue.queue); - else - printf("Stop\n"); - break; - case SND_SEQ_EVENT_SETPOS_TICK: - printf("Set tick queue pos. queue %d\n", ev->data.queue.queue); - break; - case SND_SEQ_EVENT_SETPOS_TIME: - printf("Set rt queue pos. queue %d\n", ev->data.queue.queue); - break; - case SND_SEQ_EVENT_TEMPO: - printf("Set queue tempo queue %d\n", ev->data.queue.queue); - break; - case SND_SEQ_EVENT_CLOCK: - printf("Clock\n"); - break; - case SND_SEQ_EVENT_TICK: - printf("Tick\n"); - break; - case SND_SEQ_EVENT_QUEUE_SKEW: - printf("Queue timer skew queue %d\n", ev->data.queue.queue); - break; - case SND_SEQ_EVENT_TUNE_REQUEST: - printf("Tune request\n"); - break; - case SND_SEQ_EVENT_RESET: - printf("Reset\n"); - break; - case SND_SEQ_EVENT_SENSING: - printf("Active Sensing\n"); - break; - case SND_SEQ_EVENT_CLIENT_START: - printf("Client start client %d\n", - ev->data.addr.client); - break; - case SND_SEQ_EVENT_CLIENT_EXIT: - printf("Client exit client %d\n", - ev->data.addr.client); - break; - case SND_SEQ_EVENT_CLIENT_CHANGE: - printf("Client changed client %d\n", - ev->data.addr.client); - break; - case SND_SEQ_EVENT_PORT_START: - printf("Port start %d:%d\n", - ev->data.addr.client, ev->data.addr.port); - break; - case SND_SEQ_EVENT_PORT_EXIT: - printf("Port exit %d:%d\n", - ev->data.addr.client, ev->data.addr.port); - break; - case SND_SEQ_EVENT_PORT_CHANGE: - printf("Port changed %d:%d\n", - ev->data.addr.client, ev->data.addr.port); - break; - case SND_SEQ_EVENT_PORT_SUBSCRIBED: - printf("Port subscribed %d:%d -> %d:%d\n", - ev->data.connect.sender.client, ev->data.connect.sender.port, - ev->data.connect.dest.client, ev->data.connect.dest.port); - break; - case SND_SEQ_EVENT_PORT_UNSUBSCRIBED: - printf("Port unsubscribed %d:%d -> %d:%d\n", - ev->data.connect.sender.client, ev->data.connect.sender.port, - ev->data.connect.dest.client, ev->data.connect.dest.port); - break; - case SND_SEQ_EVENT_SYSEX: - { - unsigned int i; - printf("System exclusive "); - for (i = 0; i < ev->data.ext.len; ++i) - printf(" %02X", ((unsigned char*)ev->data.ext.ptr)[i]); - printf("\n"); - } - break; - default: - printf("Event type %d\n", ev->type); - } -} - -static void list_ports(void) -{ - snd_seq_client_info_t *cinfo; - snd_seq_port_info_t *pinfo; - - snd_seq_client_info_alloca(&cinfo); - snd_seq_port_info_alloca(&pinfo); - - puts(" Port Client name Port name"); - - snd_seq_client_info_set_client(cinfo, -1); - while (snd_seq_query_next_client(seq, cinfo) >= 0) { - int client = snd_seq_client_info_get_client(cinfo); - - snd_seq_port_info_set_client(pinfo, client); - snd_seq_port_info_set_port(pinfo, -1); - while (snd_seq_query_next_port(seq, pinfo) >= 0) { - /* we need both READ and SUBS_READ */ - if ((snd_seq_port_info_get_capability(pinfo) - & (SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ)) - != (SND_SEQ_PORT_CAP_READ | SND_SEQ_PORT_CAP_SUBS_READ)) - continue; - printf("%3d:%-3d %-32.32s %s\n", - snd_seq_port_info_get_client(pinfo), - snd_seq_port_info_get_port(pinfo), - snd_seq_client_info_get_name(cinfo), - snd_seq_port_info_get_name(pinfo)); - } - } -} - -static void help(const char *argv0) -{ - printf("Usage: %s [options]\n" - "\nAvailable options:\n" - " -h,--help this help\n" - " -V,--version show version\n" - " -l,--list list input ports\n" - " -p,--port=client:port,... source port(s)\n", - argv0); -} - -static void version(void) -{ - puts("aseqdump version " SND_UTIL_VERSION_STR); -} - -static void sighandler(int sig) -{ - stop = 1; -} - -int main(int argc, char *argv[]) -{ - static const char short_options[] = "hVlp:"; - static const struct option long_options[] = { - {"help", 0, NULL, 'h'}, - {"version", 0, NULL, 'V'}, - {"list", 0, NULL, 'l'}, - {"port", 1, NULL, 'p'}, - { } - }; - - int do_list = 0; - struct pollfd *pfds; - int npfds; - int c, err; - - init_seq(); - - while ((c = getopt_long(argc, argv, short_options, - long_options, NULL)) != -1) { - switch (c) { - case 'h': - help(argv[0]); - return 0; - case 'V': - version(); - return 0; - case 'l': - do_list = 1; - break; - case 'p': - parse_ports(optarg); - break; - default: - help(argv[0]); - return 1; - } - } - if (optind < argc) { - help(argv[0]); - return 1; - } - - if (do_list) { - list_ports(); - return 0; - } - - create_port(); - connect_ports(); - - err = snd_seq_nonblock(seq, 1); - check_snd("set nonblock mode", err); - - if (port_count > 0) - printf("Waiting for data."); - else - printf("Waiting for data at port %d:0.", - snd_seq_client_id(seq)); - printf(" Press Ctrl+C to end.\n"); - printf("Source Event Ch Data\n"); - - signal(SIGINT, sighandler); - signal(SIGTERM, sighandler); - - npfds = snd_seq_poll_descriptors_count(seq, POLLIN); - pfds = alloca(sizeof(*pfds) * npfds); - for (;;) { - snd_seq_poll_descriptors(seq, pfds, npfds, POLLIN); - if (poll(pfds, npfds, -1) < 0) - break; - do { - snd_seq_event_t *event; - err = snd_seq_event_input(seq, &event); - if (err < 0) - break; - if (event) - dump_event(event); - } while (err > 0); - fflush(stdout); - if (stop) - break; - } - - snd_seq_close(seq); - return 0; -} |