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authorMax Kellermann <max@duempel.org>2009-02-04 20:31:22 +0100
committerMax Kellermann <max@duempel.org>2009-02-04 20:31:22 +0100
commitf3d6d536f684c45e5b4846d53c3c45c13149742a (patch)
tree3ccb89939caef0d8b9ed139947feb4722816811e /src
parent4db51eeccd97bfbda1c7e6dd6bde41b344d7598d (diff)
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playlist: moved code to playlist_control.c
Moved handlers for control commands (play, stop, next, prev) to playlist_control.c.
Diffstat (limited to 'src')
-rw-r--r--src/Makefile.am2
-rw-r--r--src/playlist.c245
-rw-r--r--src/playlist_control.c249
-rw-r--r--src/playlist_internal.h51
4 files changed, 306 insertions, 241 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 4b50c3664..399e2087d 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -94,6 +94,7 @@ mpd_headers = \
player_thread.h \
player_control.h \
playlist.h \
+ playlist_internal.h \
playlist_print.h \
playlist_save.h \
playlist_state.h \
@@ -183,6 +184,7 @@ mpd_SOURCES = \
player_control.c \
playlist.c \
playlist_global.c \
+ playlist_control.c \
playlist_print.c \
playlist_save.c \
playlist_state.c \
diff --git a/src/playlist.c b/src/playlist.c
index 7f44823c1..615aabec8 100644
--- a/src/playlist.c
+++ b/src/playlist.c
@@ -16,7 +16,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
-#include "playlist.h"
+#include "playlist_internal.h"
#include "playlist_save.h"
#include "queue_print.h"
#include "locate.h"
@@ -41,15 +41,6 @@
#include <stdlib.h>
#include <errno.h>
-/**
- * When the "prev" command is received, rewind the current track if
- * this number of seconds has already elapsed.
- */
-#define PLAYLIST_PREV_UNLESS_ELAPSED 10
-
-static void
-playPlaylistOrderNumber(struct playlist *playlist, int orderNum);
-
static void incrPlaylistVersion(struct playlist *playlist)
{
queue_increment_version(&playlist->queue);
@@ -150,11 +141,7 @@ static void syncPlaylistWithQueue(struct playlist *playlist)
}
}
-/**
- * Returns the song object which is currently queued. Returns none if
- * there is none (yet?) or if MPD isn't playing.
- */
-static const struct song *
+const struct song *
playlist_get_queued_song(struct playlist *playlist)
{
if (!playlist->playing || playlist->queued < 0)
@@ -163,15 +150,7 @@ playlist_get_queued_song(struct playlist *playlist)
return queue_get_order(&playlist->queue, playlist->queued);
}
-/**
- * Updates the "queued song". Calculates the next song according to
- * the current one (if MPD isn't playing, it takes the first song),
- * and queues this song. Clears the old queued song if there was one.
- *
- * @param prev the song which was previously queued, as determined by
- * playlist_get_queued_song()
- */
-static void
+void
playlist_update_queued_song(struct playlist *playlist, const struct song *prev)
{
int next_order;
@@ -449,37 +428,7 @@ deleteASongFromPlaylist(struct playlist *playlist, const struct song *song)
pc_song_deleted(song);
}
-void stopPlaylist(struct playlist *playlist)
-{
- if (!playlist->playing)
- return;
-
- assert(playlist->current >= 0);
-
- g_debug("playlist: stop");
- playerWait();
- playlist->queued = -1;
- playlist->playing = false;
-
- if (playlist->queue.random) {
- /* shuffle the playlist, so the next playback will
- result in a new random order */
-
- unsigned current_position =
- queue_order_to_position(&playlist->queue,
- playlist->current);
-
- queue_shuffle_order(&playlist->queue);
-
- /* make sure that "current" stays valid, and the next
- "play" command plays the same song again */
- playlist->current =
- queue_position_to_order(&playlist->queue,
- current_position);
- }
-}
-
-static void
+void
playPlaylistOrderNumber(struct playlist *playlist, int orderNum)
{
struct song *song;
@@ -498,73 +447,6 @@ playPlaylistOrderNumber(struct playlist *playlist, int orderNum)
playlist->current = orderNum;
}
-enum playlist_result playPlaylist(struct playlist *playlist, int song)
-{
- unsigned i = song;
-
- clearPlayerError();
-
- if (song == -1) {
- /* play any song ("current" song, or the first song */
-
- if (queue_is_empty(&playlist->queue))
- return PLAYLIST_RESULT_SUCCESS;
-
- if (playlist->playing) {
- /* already playing: unpause playback, just in
- case it was paused, and return */
- playerSetPause(0);
- return PLAYLIST_RESULT_SUCCESS;
- }
-
- /* select a song: "current" song, or the first one */
- i = playlist->current >= 0
- ? playlist->current
- : 0;
- } else if (!queue_valid_position(&playlist->queue, song))
- return PLAYLIST_RESULT_BAD_RANGE;
-
- if (playlist->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_position_to_order(&playlist->queue, song);
-
- if (!playlist->playing)
- playlist->current = 0;
-
- /* swap the new song with the previous "current" one,
- so playback continues as planned */
- queue_swap_order(&playlist->queue,
- i, playlist->current);
- i = playlist->current;
- }
-
- playlist->stop_on_error = false;
- playlist->error_count = 0;
-
- playPlaylistOrderNumber(playlist, i);
- return PLAYLIST_RESULT_SUCCESS;
-}
-
-enum playlist_result
-playPlaylistById(struct playlist *playlist, int id)
-{
- int song;
-
- if (id == -1) {
- return playPlaylist(playlist, id);
- }
-
- song = queue_id_to_position(&playlist->queue, id);
- if (song < 0)
- return PLAYLIST_RESULT_NO_SUCH_SONG;
-
- return playPlaylist(playlist, song);
-}
-
static void
playPlaylistIfPlayerStopped(struct playlist *playlist);
@@ -597,45 +479,6 @@ void syncPlayerAndPlaylist(struct playlist *playlist)
}
}
-void
-nextSongInPlaylist(struct playlist *playlist)
-{
- int next_order;
-
- if (!playlist->playing)
- return;
-
- assert(!queue_is_empty(&playlist->queue));
- assert(queue_valid_order(&playlist->queue, playlist->current));
-
- playlist->stop_on_error = false;
-
- /* determine the next song from the queue's order list */
-
- next_order = queue_next_order(&playlist->queue, playlist->current);
- if (next_order < 0) {
- /* no song after this one: stop playback */
- stopPlaylist(playlist);
- return;
- }
-
- if (next_order == 0 && playlist->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(playlist->queue.repeat);
-
- queue_shuffle_order(&playlist->queue);
-
- /* note that playlist->current and playlist->queued are
- now invalid, but playPlaylistOrderNumber() will
- discard them anyway */
- }
-
- playPlaylistOrderNumber(playlist, next_order);
-}
-
/**
* The player has stopped for some reason. Check the error, and
* decide whether to re-start playback
@@ -807,38 +650,6 @@ void setPlaylistRandomStatus(struct playlist *playlist, bool status)
idle_add(IDLE_OPTIONS);
}
-void previousSongInPlaylist(struct playlist *playlist)
-{
- static time_t lastTime;
- time_t diff = time(NULL) - lastTime;
-
- lastTime += diff;
-
- if (!playlist->playing)
- return;
-
- if (diff && getPlayerElapsedTime() > PLAYLIST_PREV_UNLESS_ELAPSED) {
- /* re-start playing the current song (just like the
- "prev" button on CD players) */
-
- playPlaylistOrderNumber(playlist, playlist->current);
- } else {
- if (playlist->current > 0) {
- /* play the preceding song */
- playPlaylistOrderNumber(playlist,
- playlist->current - 1);
- } else if (playlist->queue.repeat) {
- /* play the last song in "repeat" mode */
- playPlaylistOrderNumber(playlist,
- queue_length(&playlist->queue) - 1);
- } else {
- /* re-start playing the current song if it's
- the first one */
- playPlaylistOrderNumber(playlist, playlist->current);
- }
- }
-}
-
void shufflePlaylist(struct playlist *playlist)
{
const struct song *queued;
@@ -902,54 +713,6 @@ getPlaylistLength(struct playlist *playlist)
return queue_length(&playlist->queue);
}
-enum playlist_result
-seekSongInPlaylist(struct playlist *playlist, unsigned song, float seek_time)
-{
- const struct song *queued;
- unsigned i;
- int ret;
-
- if (!queue_valid_position(&playlist->queue, song))
- return PLAYLIST_RESULT_BAD_RANGE;
-
- queued = playlist_get_queued_song(playlist);
-
- if (playlist->queue.random)
- i = queue_position_to_order(&playlist->queue, song);
- else
- i = song;
-
- clearPlayerError();
- playlist->stop_on_error = true;
- playlist->error_count = 0;
-
- if (!playlist->playing || (unsigned)playlist->current != i) {
- /* seeking is not within the current song - first
- start playing the new song */
-
- playPlaylistOrderNumber(playlist, i);
- queued = NULL;
- }
-
- playlist_update_queued_song(playlist, queued);
-
- ret = playerSeek(queue_get_order(&playlist->queue, i), seek_time);
- if (ret < 0)
- return PLAYLIST_RESULT_NOT_PLAYING;
-
- return PLAYLIST_RESULT_SUCCESS;
-}
-
-enum playlist_result
-seekSongInPlaylistById(struct playlist *playlist, unsigned id, float seek_time)
-{
- int song = queue_id_to_position(&playlist->queue, id);
- if (song < 0)
- return PLAYLIST_RESULT_NO_SUCH_SONG;
-
- return seekSongInPlaylist(playlist, song, seek_time);
-}
-
unsigned
getPlaylistSongId(struct playlist *playlist, unsigned song)
{
diff --git a/src/playlist_control.c b/src/playlist_control.c
new file mode 100644
index 000000000..22b922872
--- /dev/null
+++ b/src/playlist_control.c
@@ -0,0 +1,249 @@
+/*
+ * Copyright (C) 2003-2009 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * Functions for controlling playback on the playlist level.
+ *
+ */
+
+#include "playlist_internal.h"
+#include "player_control.h"
+
+enum {
+ /**
+ * When the "prev" command is received, rewind the current
+ * track if this number of seconds has already elapsed.
+ */
+ PLAYLIST_PREV_UNLESS_ELAPSED = 10,
+};
+
+void stopPlaylist(struct playlist *playlist)
+{
+ if (!playlist->playing)
+ return;
+
+ assert(playlist->current >= 0);
+
+ g_debug("playlist: stop");
+ playerWait();
+ playlist->queued = -1;
+ playlist->playing = false;
+
+ if (playlist->queue.random) {
+ /* shuffle the playlist, so the next playback will
+ result in a new random order */
+
+ unsigned current_position =
+ queue_order_to_position(&playlist->queue,
+ playlist->current);
+
+ queue_shuffle_order(&playlist->queue);
+
+ /* make sure that "current" stays valid, and the next
+ "play" command plays the same song again */
+ playlist->current =
+ queue_position_to_order(&playlist->queue,
+ current_position);
+ }
+}
+
+enum playlist_result playPlaylist(struct playlist *playlist, int song)
+{
+ unsigned i = song;
+
+ clearPlayerError();
+
+ if (song == -1) {
+ /* play any song ("current" song, or the first song */
+
+ if (queue_is_empty(&playlist->queue))
+ return PLAYLIST_RESULT_SUCCESS;
+
+ if (playlist->playing) {
+ /* already playing: unpause playback, just in
+ case it was paused, and return */
+ playerSetPause(0);
+ return PLAYLIST_RESULT_SUCCESS;
+ }
+
+ /* select a song: "current" song, or the first one */
+ i = playlist->current >= 0
+ ? playlist->current
+ : 0;
+ } else if (!queue_valid_position(&playlist->queue, song))
+ return PLAYLIST_RESULT_BAD_RANGE;
+
+ if (playlist->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_position_to_order(&playlist->queue, song);
+
+ if (!playlist->playing)
+ playlist->current = 0;
+
+ /* swap the new song with the previous "current" one,
+ so playback continues as planned */
+ queue_swap_order(&playlist->queue,
+ i, playlist->current);
+ i = playlist->current;
+ }
+
+ playlist->stop_on_error = false;
+ playlist->error_count = 0;
+
+ playPlaylistOrderNumber(playlist, i);
+ return PLAYLIST_RESULT_SUCCESS;
+}
+
+enum playlist_result
+playPlaylistById(struct playlist *playlist, int id)
+{
+ int song;
+
+ if (id == -1) {
+ return playPlaylist(playlist, id);
+ }
+
+ song = queue_id_to_position(&playlist->queue, id);
+ if (song < 0)
+ return PLAYLIST_RESULT_NO_SUCH_SONG;
+
+ return playPlaylist(playlist, song);
+}
+
+void
+nextSongInPlaylist(struct playlist *playlist)
+{
+ int next_order;
+
+ if (!playlist->playing)
+ return;
+
+ assert(!queue_is_empty(&playlist->queue));
+ assert(queue_valid_order(&playlist->queue, playlist->current));
+
+ playlist->stop_on_error = false;
+
+ /* determine the next song from the queue's order list */
+
+ next_order = queue_next_order(&playlist->queue, playlist->current);
+ if (next_order < 0) {
+ /* no song after this one: stop playback */
+ stopPlaylist(playlist);
+ return;
+ }
+
+ if (next_order == 0 && playlist->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(playlist->queue.repeat);
+
+ queue_shuffle_order(&playlist->queue);
+
+ /* note that playlist->current and playlist->queued are
+ now invalid, but playPlaylistOrderNumber() will
+ discard them anyway */
+ }
+
+ playPlaylistOrderNumber(playlist, next_order);
+}
+
+void previousSongInPlaylist(struct playlist *playlist)
+{
+ static time_t lastTime;
+ time_t diff = time(NULL) - lastTime;
+
+ lastTime += diff;
+
+ if (!playlist->playing)
+ return;
+
+ if (diff && getPlayerElapsedTime() > PLAYLIST_PREV_UNLESS_ELAPSED) {
+ /* re-start playing the current song (just like the
+ "prev" button on CD players) */
+
+ playPlaylistOrderNumber(playlist, playlist->current);
+ } else {
+ if (playlist->current > 0) {
+ /* play the preceding song */
+ playPlaylistOrderNumber(playlist,
+ playlist->current - 1);
+ } else if (playlist->queue.repeat) {
+ /* play the last song in "repeat" mode */
+ playPlaylistOrderNumber(playlist,
+ queue_length(&playlist->queue) - 1);
+ } else {
+ /* re-start playing the current song if it's
+ the first one */
+ playPlaylistOrderNumber(playlist, playlist->current);
+ }
+ }
+}
+
+enum playlist_result
+seekSongInPlaylist(struct playlist *playlist, unsigned song, float seek_time)
+{
+ const struct song *queued;
+ unsigned i;
+ int ret;
+
+ if (!queue_valid_position(&playlist->queue, song))
+ return PLAYLIST_RESULT_BAD_RANGE;
+
+ queued = playlist_get_queued_song(playlist);
+
+ if (playlist->queue.random)
+ i = queue_position_to_order(&playlist->queue, song);
+ else
+ i = song;
+
+ clearPlayerError();
+ playlist->stop_on_error = true;
+ playlist->error_count = 0;
+
+ if (!playlist->playing || (unsigned)playlist->current != i) {
+ /* seeking is not within the current song - first
+ start playing the new song */
+
+ playPlaylistOrderNumber(playlist, i);
+ queued = NULL;
+ }
+
+ playlist_update_queued_song(playlist, queued);
+
+ ret = playerSeek(queue_get_order(&playlist->queue, i), seek_time);
+ if (ret < 0)
+ return PLAYLIST_RESULT_NOT_PLAYING;
+
+ return PLAYLIST_RESULT_SUCCESS;
+}
+
+enum playlist_result
+seekSongInPlaylistById(struct playlist *playlist, unsigned id, float seek_time)
+{
+ int song = queue_id_to_position(&playlist->queue, id);
+ if (song < 0)
+ return PLAYLIST_RESULT_NO_SUCH_SONG;
+
+ return seekSongInPlaylist(playlist, song, seek_time);
+}
diff --git a/src/playlist_internal.h b/src/playlist_internal.h
new file mode 100644
index 000000000..0a6def0d8
--- /dev/null
+++ b/src/playlist_internal.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2003-2009 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * Internal header for the components of the playlist code.
+ *
+ */
+
+#ifndef PLAYLIST_INTERNAL_H
+#define PLAYLIST_INTERNAL_H
+
+#include "playlist.h"
+
+/**
+ * Returns the song object which is currently queued. Returns none if
+ * there is none (yet?) or if MPD isn't playing.
+ */
+const struct song *
+playlist_get_queued_song(struct playlist *playlist);
+
+/**
+ * Updates the "queued song". Calculates the next song according to
+ * the current one (if MPD isn't playing, it takes the first song),
+ * and queues this song. Clears the old queued song if there was one.
+ *
+ * @param prev the song which was previously queued, as determined by
+ * playlist_get_queued_song()
+ */
+void
+playlist_update_queued_song(struct playlist *playlist,
+ const struct song *prev);
+
+void
+playPlaylistOrderNumber(struct playlist *playlist, int orderNum);
+
+#endif