diff options
Diffstat (limited to 'src/PlaylistState.cxx')
-rw-r--r-- | src/PlaylistState.cxx | 244 |
1 files changed, 0 insertions, 244 deletions
diff --git a/src/PlaylistState.cxx b/src/PlaylistState.cxx deleted file mode 100644 index ac2deebbf..000000000 --- a/src/PlaylistState.cxx +++ /dev/null @@ -1,244 +0,0 @@ -/* - * Copyright (C) 2003-2013 The Music Player Daemon Project - * http://www.musicpd.org - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -/* - * Saving and loading the playlist to/from the state file. - * - */ - -#include "config.h" -#include "PlaylistState.hxx" -#include "PlaylistError.hxx" -#include "Playlist.hxx" -#include "QueueSave.hxx" -#include "TextFile.hxx" -#include "PlayerControl.hxx" -#include "ConfigGlobal.hxx" -#include "ConfigOption.hxx" -#include "fs/Limits.hxx" -#include "util/CharUtil.hxx" -#include "Log.hxx" - -#include <glib.h> - -#include <string.h> -#include <stdlib.h> - -#define PLAYLIST_STATE_FILE_STATE "state: " -#define PLAYLIST_STATE_FILE_RANDOM "random: " -#define PLAYLIST_STATE_FILE_REPEAT "repeat: " -#define PLAYLIST_STATE_FILE_SINGLE "single: " -#define PLAYLIST_STATE_FILE_CONSUME "consume: " -#define PLAYLIST_STATE_FILE_CURRENT "current: " -#define PLAYLIST_STATE_FILE_TIME "time: " -#define PLAYLIST_STATE_FILE_CROSSFADE "crossfade: " -#define PLAYLIST_STATE_FILE_MIXRAMPDB "mixrampdb: " -#define PLAYLIST_STATE_FILE_MIXRAMPDELAY "mixrampdelay: " -#define PLAYLIST_STATE_FILE_PLAYLIST_BEGIN "playlist_begin" -#define PLAYLIST_STATE_FILE_PLAYLIST_END "playlist_end" - -#define PLAYLIST_STATE_FILE_STATE_PLAY "play" -#define PLAYLIST_STATE_FILE_STATE_PAUSE "pause" -#define PLAYLIST_STATE_FILE_STATE_STOP "stop" - -#define PLAYLIST_BUFFER_SIZE 2*MPD_PATH_MAX - -void -playlist_state_save(FILE *fp, const struct playlist &playlist, - PlayerControl &pc) -{ - const auto player_status = pc.GetStatus(); - - fputs(PLAYLIST_STATE_FILE_STATE, fp); - - if (playlist.playing) { - switch (player_status.state) { - case PlayerState::PAUSE: - fputs(PLAYLIST_STATE_FILE_STATE_PAUSE "\n", fp); - break; - default: - fputs(PLAYLIST_STATE_FILE_STATE_PLAY "\n", fp); - } - fprintf(fp, PLAYLIST_STATE_FILE_CURRENT "%i\n", - playlist.queue.OrderToPosition(playlist.current)); - fprintf(fp, PLAYLIST_STATE_FILE_TIME "%i\n", - (int)player_status.elapsed_time); - } else { - fputs(PLAYLIST_STATE_FILE_STATE_STOP "\n", fp); - - if (playlist.current >= 0) - fprintf(fp, PLAYLIST_STATE_FILE_CURRENT "%i\n", - playlist.queue.OrderToPosition(playlist.current)); - } - - fprintf(fp, PLAYLIST_STATE_FILE_RANDOM "%i\n", playlist.queue.random); - fprintf(fp, PLAYLIST_STATE_FILE_REPEAT "%i\n", playlist.queue.repeat); - fprintf(fp, PLAYLIST_STATE_FILE_SINGLE "%i\n", playlist.queue.single); - fprintf(fp, PLAYLIST_STATE_FILE_CONSUME "%i\n", - playlist.queue.consume); - fprintf(fp, PLAYLIST_STATE_FILE_CROSSFADE "%i\n", - (int)pc.GetCrossFade()); - fprintf(fp, PLAYLIST_STATE_FILE_MIXRAMPDB "%f\n", - pc.GetMixRampDb()); - fprintf(fp, PLAYLIST_STATE_FILE_MIXRAMPDELAY "%f\n", - pc.GetMixRampDelay()); - fputs(PLAYLIST_STATE_FILE_PLAYLIST_BEGIN "\n", fp); - queue_save(fp, playlist.queue); - fputs(PLAYLIST_STATE_FILE_PLAYLIST_END "\n", fp); -} - -static void -playlist_state_load(TextFile &file, struct playlist &playlist) -{ - const char *line = file.ReadLine(); - if (line == nullptr) { - LogWarning(playlist_domain, "No playlist in state file"); - return; - } - - while (!g_str_has_prefix(line, PLAYLIST_STATE_FILE_PLAYLIST_END)) { - queue_load_song(file, line, playlist.queue); - - line = file.ReadLine(); - if (line == nullptr) { - LogWarning(playlist_domain, - "'" PLAYLIST_STATE_FILE_PLAYLIST_END - "' not found in state file"); - break; - } - } - - playlist.queue.IncrementVersion(); -} - -bool -playlist_state_restore(const char *line, TextFile &file, - struct playlist &playlist, PlayerControl &pc) -{ - int current = -1; - int seek_time = 0; - bool random_mode = false; - - if (!g_str_has_prefix(line, PLAYLIST_STATE_FILE_STATE)) - return false; - - line += sizeof(PLAYLIST_STATE_FILE_STATE) - 1; - - PlayerState state; - if (strcmp(line, PLAYLIST_STATE_FILE_STATE_PLAY) == 0) - state = PlayerState::PLAY; - else if (strcmp(line, PLAYLIST_STATE_FILE_STATE_PAUSE) == 0) - state = PlayerState::PAUSE; - else - state = PlayerState::STOP; - - while ((line = file.ReadLine()) != nullptr) { - if (g_str_has_prefix(line, PLAYLIST_STATE_FILE_TIME)) { - seek_time = - atoi(&(line[strlen(PLAYLIST_STATE_FILE_TIME)])); - } else if (g_str_has_prefix(line, PLAYLIST_STATE_FILE_REPEAT)) { - playlist.SetRepeat(pc, - strcmp(&(line[strlen(PLAYLIST_STATE_FILE_REPEAT)]), - "1") == 0); - } else if (g_str_has_prefix(line, PLAYLIST_STATE_FILE_SINGLE)) { - playlist.SetSingle(pc, - strcmp(&(line[strlen(PLAYLIST_STATE_FILE_SINGLE)]), - "1") == 0); - } else if (g_str_has_prefix(line, PLAYLIST_STATE_FILE_CONSUME)) { - playlist.SetConsume(strcmp(&(line[strlen(PLAYLIST_STATE_FILE_CONSUME)]), - "1") == 0); - } else if (g_str_has_prefix(line, PLAYLIST_STATE_FILE_CROSSFADE)) { - pc.SetCrossFade(atoi(line + strlen(PLAYLIST_STATE_FILE_CROSSFADE))); - } else if (g_str_has_prefix(line, PLAYLIST_STATE_FILE_MIXRAMPDB)) { - pc.SetMixRampDb(atof(line + strlen(PLAYLIST_STATE_FILE_MIXRAMPDB))); - } else if (g_str_has_prefix(line, PLAYLIST_STATE_FILE_MIXRAMPDELAY)) { - const char *p = line + strlen(PLAYLIST_STATE_FILE_MIXRAMPDELAY); - - /* this check discards "nan" which was used - prior to MPD 0.18 */ - if (IsDigitASCII(*p)) - pc.SetMixRampDelay(atof(p)); - } else if (g_str_has_prefix(line, PLAYLIST_STATE_FILE_RANDOM)) { - random_mode = - strcmp(line + strlen(PLAYLIST_STATE_FILE_RANDOM), - "1") == 0; - } else if (g_str_has_prefix(line, PLAYLIST_STATE_FILE_CURRENT)) { - current = atoi(&(line - [strlen - (PLAYLIST_STATE_FILE_CURRENT)])); - } else if (g_str_has_prefix(line, - PLAYLIST_STATE_FILE_PLAYLIST_BEGIN)) { - playlist_state_load(file, playlist); - } - } - - playlist.SetRandom(pc, random_mode); - - if (!playlist.queue.IsEmpty()) { - if (!playlist.queue.IsValidPosition(current)) - current = 0; - - if (state == PlayerState::PLAY && - config_get_bool(CONF_RESTORE_PAUSED, false)) - /* the user doesn't want MPD to auto-start - playback after startup; fall back to - "pause" */ - state = PlayerState::PAUSE; - - /* enable all devices for the first time; this must be - called here, after the audio output states were - restored, before playback begins */ - if (state != PlayerState::STOP) - pc.UpdateAudio(); - - if (state == PlayerState::STOP /* && config_option */) - playlist.current = current; - else if (seek_time == 0) - playlist.PlayPosition(pc, current); - else - playlist.SeekSongPosition(pc, current, seek_time); - - if (state == PlayerState::PAUSE) - pc.Pause(); - } - - return true; -} - -unsigned -playlist_state_get_hash(const playlist &playlist, - PlayerControl &pc) -{ - const auto player_status = pc.GetStatus(); - - return playlist.queue.version ^ - (player_status.state != PlayerState::STOP - ? ((int)player_status.elapsed_time << 8) - : 0) ^ - (playlist.current >= 0 - ? (playlist.queue.OrderToPosition(playlist.current) << 16) - : 0) ^ - ((int)pc.GetCrossFade() << 20) ^ - (unsigned(player_status.state) << 24) ^ - (playlist.queue.random << 27) ^ - (playlist.queue.repeat << 28) ^ - (playlist.queue.single << 29) ^ - (playlist.queue.consume << 30) ^ - (playlist.queue.random << 31); -} |