diff options
Diffstat (limited to 'src/PlaylistControl.cxx')
-rw-r--r-- | src/PlaylistControl.cxx | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/src/PlaylistControl.cxx b/src/PlaylistControl.cxx deleted file mode 100644 index 58971a4b4..000000000 --- a/src/PlaylistControl.cxx +++ /dev/null @@ -1,261 +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. - */ - -/* - * Functions for controlling playback on the playlist level. - * - */ - -#include "config.h" -#include "Playlist.hxx" -#include "PlaylistError.hxx" -#include "PlayerControl.hxx" -#include "Song.hxx" -#include "Log.hxx" - -void -playlist::Stop(PlayerControl &pc) -{ - if (!playing) - return; - - assert(current >= 0); - - FormatDebug(playlist_domain, "stop"); - pc.Stop(); - queued = -1; - playing = false; - - if (queue.random) { - /* shuffle the playlist, so the next playback will - result in a new random order */ - - unsigned current_position = queue.OrderToPosition(current); - - queue.ShuffleOrder(); - - /* make sure that "current" stays valid, and the next - "play" command plays the same song again */ - current = queue.PositionToOrder(current_position); - } -} - -PlaylistResult -playlist::PlayPosition(PlayerControl &pc, int song) -{ - pc.ClearError(); - - unsigned i = song; - if (song == -1) { - /* play any song ("current" song, or the first song */ - - if (queue.IsEmpty()) - return PlaylistResult::SUCCESS; - - if (playing) { - /* already playing: unpause playback, just in - case it was paused, and return */ - pc.SetPause(false); - return PlaylistResult::SUCCESS; - } - - /* select a song: "current" song, or the first one */ - i = current >= 0 - ? current - : 0; - } else if (!queue.IsValidPosition(song)) - return PlaylistResult::BAD_RANGE; - - if (queue.random) { - if (song >= 0) - /* "i" is currently the song position (which - would be equal to the order number in - no-random mode); convert it to a order - number, because random mode is enabled */ - i = queue.PositionToOrder(song); - - if (!playing) - current = 0; - - /* swap the new song with the previous "current" one, - so playback continues as planned */ - queue.SwapOrders(i, current); - i = current; - } - - stop_on_error = false; - error_count = 0; - - PlayOrder(pc, i); - return PlaylistResult::SUCCESS; -} - -PlaylistResult -playlist::PlayId(PlayerControl &pc, int id) -{ - if (id == -1) - return PlayPosition(pc, id); - - int song = queue.IdToPosition(id); - if (song < 0) - return PlaylistResult::NO_SUCH_SONG; - - return PlayPosition(pc, song); -} - -void -playlist::PlayNext(PlayerControl &pc) -{ - if (!playing) - return; - - assert(!queue.IsEmpty()); - assert(queue.IsValidOrder(current)); - - const int old_current = current; - stop_on_error = false; - - /* determine the next song from the queue's order list */ - - const int next_order = queue.GetNextOrder(current); - if (next_order < 0) { - /* no song after this one: stop playback */ - Stop(pc); - - /* reset "current song" */ - current = -1; - } - else - { - if (next_order == 0 && queue.random) { - /* The queue told us that the next song is the first - song. This means we are in repeat mode. Shuffle - the queue order, so this time, the user hears the - songs in a different than before */ - assert(queue.repeat); - - queue.ShuffleOrder(); - - /* note that current and queued are - now invalid, but PlayOrder() will - discard them anyway */ - } - - PlayOrder(pc, next_order); - } - - /* Consume mode removes each played songs. */ - if (queue.consume) - DeleteOrder(pc, old_current); -} - -void -playlist::PlayPrevious(PlayerControl &pc) -{ - if (!playing) - return; - - assert(!queue.IsEmpty()); - - int order; - if (current > 0) { - /* play the preceding song */ - order = current - 1; - } else if (queue.repeat) { - /* play the last song in "repeat" mode */ - order = queue.GetLength() - 1; - } else { - /* re-start playing the current song if it's - the first one */ - order = current; - } - - PlayOrder(pc, order); -} - -PlaylistResult -playlist::SeekSongPosition(PlayerControl &pc, unsigned song, float seek_time) -{ - if (!queue.IsValidPosition(song)) - return PlaylistResult::BAD_RANGE; - - const Song *queued_song = GetQueuedSong(); - - unsigned i = queue.random - ? queue.PositionToOrder(song) - : song; - - pc.ClearError(); - stop_on_error = true; - error_count = 0; - - if (!playing || (unsigned)current != i) { - /* seeking is not within the current song - prepare - song change */ - - playing = true; - current = i; - - queued_song = nullptr; - } - - Song *the_song = queue.GetOrder(i).DupDetached(); - if (!pc.Seek(the_song, seek_time)) { - UpdateQueuedSong(pc, queued_song); - - return PlaylistResult::NOT_PLAYING; - } - - queued = -1; - UpdateQueuedSong(pc, nullptr); - - return PlaylistResult::SUCCESS; -} - -PlaylistResult -playlist::SeekSongId(PlayerControl &pc, unsigned id, float seek_time) -{ - int song = queue.IdToPosition(id); - if (song < 0) - return PlaylistResult::NO_SUCH_SONG; - - return SeekSongPosition(pc, song, seek_time); -} - -PlaylistResult -playlist::SeekCurrent(PlayerControl &pc, float seek_time, bool relative) -{ - if (!playing) - return PlaylistResult::NOT_PLAYING; - - if (relative) { - const auto status = pc.GetStatus(); - - if (status.state != PlayerState::PLAY && - status.state != PlayerState::PAUSE) - return PlaylistResult::NOT_PLAYING; - - seek_time += (int)status.elapsed_time; - } - - if (seek_time < 0) - seek_time = 0; - - return SeekSongPosition(pc, current, seek_time); -} |