Audacious

/*

 * main.c

 * Copyright 2005-2013 George Averill, William Pitcock, Yoshiki Yazawa, and

 *                     John Lindgren

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions are met:

 *

 * 1. Redistributions of source code must retain the above copyright notice,

 *    this list of conditions, and the following disclaimer.

 *

 * 2. Redistributions in binary form must reproduce the above copyright notice,

 *    this list of conditions, and the following disclaimer in the documentation

 *    provided with the distribution.

 *

 * This software is provided "as is" and without any warranty, express or

 * implied. In no event shall the authors be liable for any damages arising from

 * the use of this software.

 */

#include <stdio.h>

#include <stdlib.h>

#include <locale.h>

#include "audtool.h"

const struct commandhandler handlers[] =

{

    {"<sep>", NULL, "Current song information", 0},

    {"current-song", get_current_song, "print formatted song title", 0},

    {"current-song-filename", get_current_song_filename, "print song file name", 0},

    {"current-song-length", get_current_song_length, "print song length", 0},

    {"current-song-length-seconds", get_current_song_length_seconds, "print song length in seconds", 0},

    {"current-song-length-frames", get_current_song_length_frames, "print song length in milliseconds", 0},

    {"current-song-output-length", get_current_song_output_length, "print playback time", 0},

    {"current-song-output-length-seconds", get_current_song_output_length_seconds, "print playback time in seconds", 0},

    {"current-song-output-length-frames", get_current_song_output_length_frames, "print playback time in milliseconds", 0},

    {"current-song-bitrate", get_current_song_bitrate, "print bitrate in bits per second", 0},

    {"current-song-bitrate-kbps", get_current_song_bitrate_kbps, "print bitrate in kilobits per second", 0},

    {"current-song-frequency", get_current_song_frequency, "print sampling rate in hertz", 0},

    {"current-song-frequency-khz", get_current_song_frequency_khz, "print sampling rate in kilohertz", 0},

    {"current-song-channels", get_current_song_channels, "print number of channels", 0},

    {"current-song-tuple-data", get_current_song_tuple_field_data, "print value of named field", 1},

    {"current-song-info", get_current_song_info, "print bitrate, sampling rate, and channels", 0},

    {"<sep>", NULL, "Playback commands", 0},

    {"playback-play", playback_play, "start/restart/unpause playback", 0},

    {"playback-pause", playback_pause, "pause/unpause playback", 0},

    {"playback-playpause", playback_playpause, "start/pause/unpause playback", 0},

    {"playback-stop", playback_stop, "stop playback", 0},

    {"playback-playing", playback_playing, "exit code = 0 if playing", 0},

    {"playback-paused", playback_paused, "exit code = 0 if paused", 0},

    {"playback-stopped", playback_stopped, "exit code = 0 if not playing", 0},

    {"playback-status", playback_status, "print status (playing/paused/stopped)", 0},

    {"playback-seek", playback_seek, "seek to given time", 1},

    {"playback-seek-relative", playback_seek_relative, "seek to relative time offset", 1},

    {"playback-record", playback_record, "toggle recording (dubbing)", 1},

    {"<sep>", NULL, "Playlist commands", 0},

    {"playlist-advance", playlist_advance, "skip to next song", 0},

    {"playlist-reverse", playlist_reverse, "skip to previous song", 0},

    {"playlist-addurl", playlist_add_url_string, "add URI at end of playlist", 1},

    {"playlist-insurl", playlist_ins_url_string, "insert URI at given position", 2},

    {"playlist-addurl-to-new-playlist", playlist_enqueue_to_temp, "open URI in \"Now Playing\" playlist", 1},

    {"playlist-delete", playlist_delete, "remove song at given position", 1},

    {"playlist-length", playlist_length, "print number of songs in playlist", 0},

    {"playlist-song", playlist_song, "print formatted title of given song", 1},

    {"playlist-song-filename", playlist_song_filename, "print file name of given song", 1},

    {"playlist-song-length", playlist_song_length, "print length of given song", 1},

    {"playlist-song-length-seconds", playlist_song_length_seconds, "print length of given song in seconds", 1},

    {"playlist-song-length-frames", playlist_song_length_frames, "print length of given song in milliseconds", 1},

    {"playlist-tuple-data", playlist_tuple_field_data, "print value of named field for given song", 2},

    {"playlist-display", playlist_display, "print all songs in playlist", 0},

    {"playlist-position", playlist_position, "print position of current song", 0},

    {"playlist-jump", playlist_jump, "skip to given song", 1},

    {"playlist-clear", playlist_clear, "clear playlist", 0},

    {"playlist-auto-advance-status", playlist_auto_advance_status, "query playlist auto-advance", 0},

    {"playlist-auto-advance-toggle", playlist_auto_advance_toggle, "toggle playlist auto-advance", 0},

    {"playlist-repeat-status", playlist_repeat_status, "query playlist repeat", 0},

    {"playlist-repeat-toggle", playlist_repeat_toggle, "toggle playlist repeat", 0},

    {"playlist-shuffle-status", playlist_shuffle_status, "query playlist shuffle", 0},

    {"playlist-shuffle-toggle", playlist_shuffle_toggle, "toggle playlist shuffle", 0},

    {"playlist-stop-after-status", playlist_stop_after_status, "query if stopping after current song", 0},

    {"playlist-stop-after-toggle", playlist_stop_after_toggle, "toggle if stopping after current song", 0},

    {"<sep>", NULL, "More playlist commands", 0},

    {"number-of-playlists", number_of_playlists, "print number of playlists", 0},

    {"current-playlist", current_playlist, "print number of current playlist", 0},

    {"play-current-playlist", play_current_playlist, "play/resume current playlist", 0},

    {"set-current-playlist", set_current_playlist, "make given playlist current", 1},

    {"current-playlist-name", playlist_title, "print current playlist title", 0},

    {"set-current-playlist-name", set_playlist_title, "set current playlist title", 1},

    {"new-playlist", new_playlist, "insert new playlist", 0},

    {"delete-current-playlist", delete_current_playlist, "remove current playlist", 0},

    {"<sep>", NULL, "Playlist queue commands", 0},

    {"playqueue-add", playqueue_add, "add given song to queue", 1},

    {"playqueue-remove", playqueue_remove, "remove given song from queue", 1},

    {"playqueue-is-queued", playqueue_is_queued, "exit code = 0 if given song is queued", 1},

    {"playqueue-get-queue-position", playqueue_get_queue_position, "print queue position of given song", 1},

    {"playqueue-get-list-position", playqueue_get_list_position, "print n-th queued song", 1},

    {"playqueue-length", playqueue_length, "print number of songs in queue", 0},

    {"playqueue-display", playqueue_display, "print all songs in queue", 0},

    {"playqueue-clear", playqueue_clear, "clear queue", 0},

    {"<sep>", NULL, "Volume control and equalizer", 0},

    {"get-volume", get_volume, "print current volume level in percent", 0},

    {"set-volume", set_volume, "set current volume level in percent", 1},

    {"equalizer-activate", equalizer_active, "activate/deactivate equalizer", 1},

    {"equalizer-get", equalizer_get_eq, "print equalizer settings", 0},

    {"equalizer-set", equalizer_set_eq, "set equalizer settings", 11},

    {"equalizer-get-preamp", equalizer_get_eq_preamp, "print equalizer pre-amplification", 0},

    {"equalizer-set-preamp", equalizer_set_eq_preamp, "set equalizer pre-amplification", 1},

    {"equalizer-get-band", equalizer_get_eq_band, "print gain of given equalizer band", 1},

    {"equalizer-set-band", equalizer_set_eq_band, "set gain of given equalizer band", 2},

    {"<sep>", NULL, "Miscellaneous", 0},

    {"mainwin-show", mainwin_show, "show/hide Audacious", 1},

    {"filebrowser-show", show_filebrowser, "show/hide Add Files window", 1},

    {"jumptofile-show", show_jtf_window, "show/hide Jump to Song window", 1},

    {"preferences-show", show_preferences_window, "show/hide Settings window", 1},

    {"about-show", show_about_window, "show/hide About window", 1},

    {"version", get_version, "print Audacious version", 0},

    {"shutdown", shutdown_audacious_server, "shut down Audacious", 0},

    {"help", get_handlers_list, "print this help", 0},

    {NULL, NULL, NULL, 0}

};

ObjAudacious * dbus_proxy = NULL;

static GDBusConnection * connection = NULL;

static void audtool_disconnect (void)

{

    g_object_unref (dbus_proxy);

    dbus_proxy = NULL;

    g_dbus_connection_close_sync (connection, NULL, NULL);

    connection = NULL;

}

static void audtool_connect (void)

{

    GError * error = NULL;

    connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, & error);

    if (! connection)

    {

        fprintf (stderr, "D-Bus error: %s\n", error->message);

        g_error_free (error);

        exit (EXIT_FAILURE);

    }

    dbus_proxy = obj_audacious_proxy_new_sync (connection, 0,

     "org.atheme.audacious", "/org/atheme/audacious", NULL, & error);

    if (! dbus_proxy)

    {

        fprintf (stderr, "D-Bus error: %s\n", error->message);

        g_error_free (error);

        g_dbus_connection_close_sync (connection, NULL, NULL);

        exit (EXIT_FAILURE);

    }

    atexit (audtool_disconnect);

}

int main (int argc, char * * argv)

{

    int i, j = 0, k = 0;

    setlocale (LC_CTYPE, "");

#if ! GLIB_CHECK_VERSION (2, 36, 0)

    g_type_init();

#endif

    audtool_connect ();

    if (argc < 2)

    {

        fprintf (stderr, "Not enough parameters.  Try \"audtool help\".\n");

        exit (EXIT_FAILURE);

    }

    for (j = 1; j < argc; j ++)

    {

        for (i = 0; handlers[i].name != NULL; i++)

        {

            if ((! g_ascii_strcasecmp (handlers[i].name, argv[j]) ||

             ! g_ascii_strcasecmp (g_strconcat ("--", handlers[i].name, NULL),

             argv[j])) && g_ascii_strcasecmp ("<sep>", handlers[i].name))

            {

                int numargs = handlers[i].args + 1 < argc - j ? handlers[i].args + 1 : argc - j;

                handlers[i].handler (numargs, & argv[j]);

                j += handlers[i].args;

                k ++;

                if (j >= argc)

                    break;

            }

        }

    }

    if (k == 0)

    {

        fprintf (stderr, "Unknown command \"%s\".  Try \"audtool help\".\n", argv[1]);

        exit (EXIT_FAILURE);

    }

    return 0;

}