mirror of
https://github.com/alsa-project/alsa-lib.git
synced 2025-10-29 05:40:25 -04:00
224 lines
6.1 KiB
C
224 lines
6.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <ctype.h>
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#include <getopt.h>
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#include "../include/asoundlib.h"
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#include "seq-decoder.c"
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#include "seq-sender.c"
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#define SEQ_VERSION "0.0.1"
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#define HELPID_HELP 1000
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#define HELPID_DEBUG 1001
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#define HELPID_VERBOSE 1002
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#define HELPID_VERSION 1003
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snd_seq_system_info_t sysinfo;
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int debug = 0;
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int verbose = 0;
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void set_name(snd_seq_t *handle)
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{
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int err;
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snd_seq_client_info_t info;
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bzero(&info, sizeof(info));
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info.client = snd_seq_client_id(handle);
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info.type = USER_CLIENT;
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snprintf(info.name, sizeof(info.name), "SeqUtil - %i", getpid());
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if ((err = snd_seq_set_client_info(handle, &info)) < 0) {
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fprintf(stderr, "Set client info error: %s\n", snd_strerror(err));
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exit(0);
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}
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}
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void system_info(snd_seq_t *handle)
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{
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int err;
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if ((err = snd_seq_system_info(handle, &sysinfo))<0) {
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fprintf(stderr, "System info error: %s\n", snd_strerror(err));
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exit(0);
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}
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}
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void show_system_info(snd_seq_t *handle)
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{
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printf("System info\n");
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printf(" Max queues : %i\n", sysinfo.queues);
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printf(" Max clients : %i\n", sysinfo.clients);
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printf(" Max ports : %i\n", sysinfo.ports);
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}
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void show_queue_status(snd_seq_t *handle, int queue)
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{
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int err, idx, min, max;
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snd_seq_queue_status_t status;
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min = queue < 0 ? 0 : queue;
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max = queue < 0 ? sysinfo.queues : queue + 1;
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for (idx = min; idx < max; idx++) {
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if ((err = snd_seq_get_queue_status(handle, idx, &status))<0) {
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if (err == -ENOENT)
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continue;
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fprintf(stderr, "Client %i info error: %s\n", idx, snd_strerror(err));
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exit(0);
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}
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printf("Queue %i info\n", status.queue);
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printf(" Tick : %u\n", status.tick);
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printf(" Realtime : %li.%li\n", status.time.tv_sec, status.time.tv_nsec);
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printf(" Flags : 0x%x\n", status.flags);
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}
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}
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void show_port_info(snd_seq_t *handle, int client, int port)
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{
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int err, idx, min, max;
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snd_seq_port_info_t info;
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min = port < 0 ? 0 : port;
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max = port < 0 ? sysinfo.ports : port + 1;
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for (idx = min; idx < max; idx++) {
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if ((err = snd_seq_get_any_port_info(handle, client, idx, &info))<0) {
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if (err == -ENOENT)
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continue;
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fprintf(stderr, "Port %i/%i info error: %s\n", client, idx, snd_strerror(err));
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exit(0);
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}
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printf(" Port %i info\n", idx);
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printf(" Client : %i\n", info.client);
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printf(" Port : %i\n", info.port);
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printf(" Name : %s\n", info.name);
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printf(" Capability : 0x%x\n", info.capability);
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printf(" Type : 0x%x\n", info.type);
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printf(" Midi channels : %i\n", info.midi_channels);
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printf(" Synth voices : %i\n", info.synth_voices);
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printf(" Output subs : %i\n", info.write_use);
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printf(" Input subs : %i\n", info.read_use);
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}
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}
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void show_client_info(snd_seq_t *handle, int client)
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{
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int err, idx, min, max;
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snd_seq_client_info_t info;
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min = client < 0 ? 0 : client;
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max = client < 0 ? sysinfo.clients : client + 1;
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for (idx = min; idx < max; idx++) {
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if ((err = snd_seq_get_any_client_info(handle, idx, &info))<0) {
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if (err == -ENOENT)
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continue;
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fprintf(stderr, "Client %i info error: %s\n", idx, snd_strerror(err));
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exit(0);
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}
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printf("Client %i info\n", idx);
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if (verbose)
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printf(" Client : %i\n", info.client);
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printf(" Type : %s\n", info.type == KERNEL_CLIENT ? "kernel" : "user");
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printf(" Name : %s\n", info.name);
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}
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}
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static void help(void)
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{
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printf("Usage: seq <options> command\n");
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printf("\nAvailable options:\n");
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printf(" -h,--help this help\n");
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printf(" -d,--debug debug mode\n");
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printf(" -v,--verbose verbose mode\n");
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printf(" -V,--version print version of this program\n");
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printf("\nAvailable commands:\n");
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printf(" system show basic sequencer info\n");
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printf(" queue [#] show all queues or specified queue\n");
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printf(" client [#] show all clients or specified client\n");
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printf(" port <client> [#] show all ports or specified port for specified client\n");
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printf(" decoder event decoder\n");
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printf(" sender <client.port> [<client.port>] ... event sender\n");
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}
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int main(int argc, char *argv[])
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{
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int morehelp, err, arg, arg1;
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snd_seq_t *handle;
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static struct option long_option[] =
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{
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{"help", 0, NULL, HELPID_HELP},
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{"debug", 0, NULL, HELPID_DEBUG},
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{"verbose", 0, NULL, HELPID_VERBOSE},
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{"version", 0, NULL, HELPID_VERSION},
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{NULL, 0, NULL, 0},
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};
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morehelp = 0;
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while (1) {
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int c;
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if ((c = getopt_long(argc, argv, "hdvV", long_option, NULL)) < 0)
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break;
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switch (c) {
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case 'h':
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case HELPID_HELP:
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morehelp++;
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break;
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case 'd':
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case HELPID_DEBUG:
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debug = 1;
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break;
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case 'v':
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case HELPID_VERBOSE:
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verbose = 1;
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break;
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case 'V':
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case HELPID_VERSION:
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printf("alsactl version " SEQ_VERSION "\n");
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return 1;
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default:
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fprintf(stderr, "\07Invalid switch or option needs an argument.\n");
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morehelp++;
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}
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}
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if (morehelp) {
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help();
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return 1;
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}
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if (argc - optind <= 0) {
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fprintf(stderr, "seq: Specify command...\n");
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return 0;
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}
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if ((err = snd_seq_open(&handle, SND_SEQ_OPEN))<0) {
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fprintf(stderr, "Open error: %s\n", snd_strerror(err));
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exit(0);
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}
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set_name(handle);
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system_info(handle);
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if (!strcmp(argv[optind], "system")) {
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show_system_info(handle);
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} else if (!strcmp(argv[optind], "queue")) {
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arg = argc - optind > 1 ? atoi(argv[optind + 1]) : -1;
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show_queue_status(handle, arg);
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} else if (!strcmp(argv[optind], "client")) {
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arg = argc - optind > 1 ? atoi(argv[optind + 1]) : -1;
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show_client_info(handle, arg);
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} else if (!strcmp(argv[optind], "port")) {
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arg = argc - optind > 1 ? atoi(argv[optind + 1]) : -1;
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if (arg < 0) {
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fprintf(stderr, "Specify port...\n");
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exit(0);
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}
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arg1 = argc - optind > 2 ? atoi(argv[optind + 2]) : -1;
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show_port_info(handle, arg, arg1);
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} else if (!strcmp(argv[optind], "decoder")) {
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event_decoder(handle, argc - optind - 1, argv + optind + 1);
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} else if (!strcmp(argv[optind], "sender")) {
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event_sender(handle, argc - optind - 1, argv + optind + 1);
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} else {
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help();
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}
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exit(1);
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}
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