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Add delay-adjustment command to bluealsa-cli
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| /* | ||
| * BlueALSA - cmd-delay-adjustment.c | ||
| * Copyright (c) 2016-2023 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 <stdint.h> | ||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
|
|
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| #include <dbus/dbus.h> | ||
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|
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| #include "cli.h" | ||
| #include "shared/dbus-client.h" | ||
|
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| static void usage(const char *command) { | ||
| printf("Get or set the DelayAdjustment property of the given PCM.\n\n"); | ||
| cli_print_usage("%s [OPTION]... PCM-PATH [STATE]", 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\t\tAdjustment value (+/-), in milliseconds)\n" | ||
| ); | ||
| } | ||
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| static int cmd_delay_adjustment_func(int argc, char *argv[]) { | ||
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| int opt; | ||
| const char *opts = "+h"; | ||
| const struct option longopts[] = { | ||
| { "help", no_argument, NULL, 'h' }, | ||
| { 0 }, | ||
| }; | ||
|
|
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| opterr = 0; | ||
| while ((opt = getopt_long(argc, argv, opts, longopts, NULL)) != -1) | ||
| if (opt == 'h') { /* --help */ | ||
| usage(argv[0]); | ||
| return EXIT_SUCCESS; | ||
| } | ||
|
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| 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; | ||
| } | ||
|
|
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| DBusError err = DBUS_ERROR_INIT; | ||
| const char *path = argv[optind]; | ||
|
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| 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; | ||
| } | ||
|
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| if (argc == 2) { | ||
| printf("DelayAdjustment: %#.1f ms\n", (double)pcm.delay_adjustment/ 10); | ||
| return EXIT_SUCCESS; | ||
| } | ||
|
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| 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; | ||
| } | ||
|
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| int adjustment = (int) (dbl * 10.0); | ||
| if (adjustment < INT16_MIN || adjustment > INT16_MAX) { | ||
| cmd_print_error("Invalid argument: %s", value); | ||
| return EXIT_FAILURE; | ||
| } | ||
|
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| if (!bluealsa_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; | ||
| } | ||
|
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| return EXIT_SUCCESS; | ||
| } | ||
|
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| const struct cli_command cmd_delay_adjustment = { | ||
| "delay-adjustment", | ||
| "Get or set PCM DelayAdjustment property", | ||
| cmd_delay_adjustment_func, | ||
| }; |