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/*
* BlueALSA - cmd-delay-adjustment.c
* Copyright (c) 2016-2024 Arkadiusz Bokowy
*
* This file is a part of bluez-alsa.
*
* This project is licensed under the terms of the MIT license.
*
*/
#include <errno.h>
#include <getopt.h>
#include <math.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <dbus/dbus.h>
#include "cli.h"
#include "shared/dbus-client-pcm.h"
static void usage(const char *command) {
printf("Get or set the delay adjustment of the given PCM.\n\n");
cli_print_usage("%s [OPTION]... PCM-PATH [ADJUSTMENT]", command);
printf("\nOptions:\n"
" -h, --help\t\tShow this message and exit\n"
"\nPositional arguments:\n"
" PCM-PATH\tBlueALSA PCM D-Bus object path\n"
" ADJUSTMENT\tAdjustment value (+/-), in milliseconds\n"
);
}
static int cmd_delay_adjustment_func(int argc, char *argv[]) {
int opt;
const char *opts = "+hqv";
const struct option longopts[] = {
{ "help", no_argument, NULL, 'h' },
{ "quiet", no_argument, NULL, 'q' },
{ "verbose", no_argument, NULL, 'v' },
{ 0 },
};
opterr = 0;
while ((opt = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
if (cli_parse_common_options(opt))
continue;
if (opt == 'h') { /* --help */
usage(argv[0]);
return EXIT_SUCCESS;
}
}
if (argc - optind < 1) {
cmd_print_error("Missing BlueALSA PCM path argument");
return EXIT_FAILURE;
}
if (argc - optind > 2) {
cmd_print_error("Invalid number of arguments");
return EXIT_FAILURE;
}
DBusError err = DBUS_ERROR_INIT;
const char *path = argv[optind];
struct ba_pcm pcm;
if (!cli_get_ba_pcm(path, &pcm, &err)) {
cmd_print_error("Couldn't get BlueALSA PCM: %s", err.message);
return EXIT_FAILURE;
}
if (argc == 2) {
printf("DelayAdjustment: %#.1f ms\n", (double)pcm.delay_adjustment/ 10);
return EXIT_SUCCESS;
}
const char *value = argv[optind + 1];
errno = 0;
char *endptr = NULL;
double dbl = strtod(value, &endptr);
if (endptr == value || errno == ERANGE) {
cmd_print_error("Invalid argument: %s", value);
return EXIT_FAILURE;
}
int adjustment = lround(dbl * 10.0);
if (adjustment < INT16_MIN || adjustment > INT16_MAX) {
cmd_print_error("Invalid argument: %s", value);
return EXIT_FAILURE;
}
if (!ba_dbus_pcm_set_delay_adjustment(&config.dbus, pcm.pcm_path,
pcm.codec.name, adjustment, &err)) {
cmd_print_error("DelayAdjustment update failed: %s", err.message);
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
const struct cli_command cmd_delay_adjustment = {
"delay-adjustment",
"Get or set PCM delay adjustment",
cmd_delay_adjustment_func,
};
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