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authorWarren Dukes <warren.dukes@gmail.com>2004-06-05 01:14:37 +0000
committerWarren Dukes <warren.dukes@gmail.com>2004-06-05 01:14:37 +0000
commitc2c34f78dd2b63d27bcbd6f21503bf052cad0655 (patch)
tree498fb23a9af130a832daa23af7c1b072568647f7 /src
parent744c0fa256bc2b172991cc0298fb3ea350722be8 (diff)
downloadmpd-c2c34f78dd2b63d27bcbd6f21503bf052cad0655.tar.gz
mpd-c2c34f78dd2b63d27bcbd6f21503bf052cad0655.tar.xz
mpd-c2c34f78dd2b63d27bcbd6f21503bf052cad0655.zip
new command, plchanges, and also add Num: to songinfo of playlistinfo
git-svn-id: https://svn.musicpd.org/mpd/trunk@1339 09075e82-0dd4-0310-85a5-a0d7c8717e4f
Diffstat (limited to 'src')
-rw-r--r--src/command.c80
-rw-r--r--src/command.h2
-rw-r--r--src/conf.c2
-rw-r--r--src/directory.c2
-rw-r--r--src/playlist.c93
-rw-r--r--src/playlist.h5
-rw-r--r--src/sig_handlers.c2
7 files changed, 131 insertions, 55 deletions
diff --git a/src/command.c b/src/command.c
index 1252886d8..d87b7786c 100644
--- a/src/command.c
+++ b/src/command.c
@@ -37,43 +37,44 @@
#include <string.h>
#include <unistd.h>
-#define COMMAND_PLAY "play"
-#define COMMAND_STOP "stop"
-#define COMMAND_PAUSE "pause"
-#define COMMAND_STATUS "status"
-#define COMMAND_KILL "kill"
-#define COMMAND_CLOSE "close"
-#define COMMAND_ADD "add"
-#define COMMAND_DELETE "delete"
-#define COMMAND_PLAYLIST "playlist"
-#define COMMAND_SHUFFLE "shuffle"
-#define COMMAND_CLEAR "clear"
-#define COMMAND_SAVE "save"
-#define COMMAND_LOAD "load"
-#define COMMAND_LSINFO "lsinfo"
-#define COMMAND_RM "rm"
-#define COMMAND_PLAYLISTINFO "playlistinfo"
-#define COMMAND_FIND "find"
-#define COMMAND_SEARCH "search"
-#define COMMAND_UPDATE "update"
-#define COMMAND_NEXT "next"
-#define COMMAND_PREVIOUS "previous"
-#define COMMAND_LISTALL "listall"
-#define COMMAND_VOLUME "volume"
-#define COMMAND_REPEAT "repeat"
-#define COMMAND_RANDOM "random"
-#define COMMAND_STATS "stats"
-#define COMMAND_CLEAR_ERROR "clearerror"
-#define COMMAND_LIST "list"
-#define COMMAND_MOVE "move"
-#define COMMAND_SWAP "swap"
-#define COMMAND_SEEK "seek"
+#define COMMAND_PLAY "play"
+#define COMMAND_STOP "stop"
+#define COMMAND_PAUSE "pause"
+#define COMMAND_STATUS "status"
+#define COMMAND_KILL "kill"
+#define COMMAND_CLOSE "close"
+#define COMMAND_ADD "add"
+#define COMMAND_DELETE "delete"
+#define COMMAND_PLAYLIST "playlist"
+#define COMMAND_SHUFFLE "shuffle"
+#define COMMAND_CLEAR "clear"
+#define COMMAND_SAVE "save"
+#define COMMAND_LOAD "load"
+#define COMMAND_LSINFO "lsinfo"
+#define COMMAND_RM "rm"
+#define COMMAND_PLAYLISTINFO "playlistinfo"
+#define COMMAND_FIND "find"
+#define COMMAND_SEARCH "search"
+#define COMMAND_UPDATE "update"
+#define COMMAND_NEXT "next"
+#define COMMAND_PREVIOUS "previous"
+#define COMMAND_LISTALL "listall"
+#define COMMAND_VOLUME "volume"
+#define COMMAND_REPEAT "repeat"
+#define COMMAND_RANDOM "random"
+#define COMMAND_STATS "stats"
+#define COMMAND_CLEAR_ERROR "clearerror"
+#define COMMAND_LIST "list"
+#define COMMAND_MOVE "move"
+#define COMMAND_SWAP "swap"
+#define COMMAND_SEEK "seek"
#define COMMAND_LISTALLINFO "listallinfo"
#define COMMAND_PING "ping"
#define COMMAND_SETVOL "setvol"
#define COMMAND_PASSWORD "password"
#define COMMAND_CROSSFADE "crossfade"
-#define COMMAND_URL_HANDLERS "urlhandlers"
+#define COMMAND_URL_HANDLERS "urlhandlers"
+#define COMMAND_PLCHANGES "plchanges"
#define COMMAND_STATUS_VOLUME "volume"
#define COMMAND_STATUS_STATE "state"
@@ -322,6 +323,20 @@ int handleRm(FILE * fp, unsigned int * permission, int argArrayLength,
return deletePlaylist(fp,argArray[1]);
}
+int handlePlaylistChanges(FILE * fp, unsigned int * permission,
+ int argArrayLength, char ** argArray)
+{
+ unsigned long version;
+ char * test;
+
+ version = strtoul(argArray[1], &test, 10);
+ if(*test!='\0') {
+ commandError(fp, ACK_ERROR_ARG, "need a positive integer");
+ return -1;
+ }
+ return playlistChanges(fp, version);
+}
+
int handlePlaylistInfo(FILE * fp, unsigned int * permission,
int argArrayLength, char ** argArray)
{
@@ -641,6 +656,7 @@ void initCommands() {
addCommand(COMMAND_PASSWORD ,0, 1, 1,handlePassword,NULL);
addCommand(COMMAND_CROSSFADE ,PERMISSION_CONTROL, 1, 1,handleCrossfade,NULL);
addCommand(COMMAND_URL_HANDLERS,PERMISSION_READ, 0, 0,handleUrlHandlers,NULL);
+ addCommand(COMMAND_PLCHANGES ,PERMISSION_READ, 1, 1,handlePlaylistChanges,NULL);
sortList(commandList);
}
diff --git a/src/command.h b/src/command.h
index 85a3683a4..59f6e433f 100644
--- a/src/command.h
+++ b/src/command.h
@@ -54,7 +54,7 @@ void finishCommands();
current_command = NULL; \
} \
else { \
- myfprintf(fp, "ACK [%i@%i] " format "\n", \
+ myfprintf(stderr, "ACK [%i@%i] " format "\n", \
(int)error, command_listNum, \
##__VA_ARGS__); \
} \
diff --git a/src/conf.c b/src/conf.c
index c9050b8b0..ff38030a5 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -69,7 +69,7 @@
#endif
#endif
-char * conf_params[CONF_NUMBER_OF_PARAMS];
+static char * conf_params[CONF_NUMBER_OF_PARAMS];
void initConf() {
int i;
diff --git a/src/directory.c b/src/directory.c
index 653cdb15f..959ade487 100644
--- a/src/directory.c
+++ b/src/directory.c
@@ -159,7 +159,7 @@ void readDirectoryDBIfUpdateIsFinished() {
if(directory_reReadDB && 0==directory_updatePid) {
DEBUG("readDirectoryDB since update finished successfully\n");
readDirectoryDB();
- incrPlaylistVersion();
+ playlistVersionChange();
directory_reReadDB = 0;
}
}
diff --git a/src/playlist.c b/src/playlist.c
index c7da3fa38..dd261cfd2 100644
--- a/src/playlist.c
+++ b/src/playlist.c
@@ -36,8 +36,6 @@
#include <unistd.h>
#include <time.h>
-#define BITS_FOR_VERSION 31
-
#define PLAYLIST_COMMENT '#'
#define PLAYLIST_STATE_STOP 0
@@ -62,13 +60,15 @@
typedef struct _Playlist {
Song ** songs;
+ /* holds version a song was modified on */
+ mpd_uint32 * songMod;
int * order;
int length;
int current;
int queued;
int repeat;
int random;
- unsigned long version;
+ mpd_uint32 version;
} Playlist;
static Playlist playlist;
@@ -87,10 +87,28 @@ static void swapOrder(int a, int b);
static int playPlaylistOrderNumber(FILE * fp, int orderNum);
static void randomizeOrder(int start, int end);
-void incrPlaylistVersion() {
- static unsigned long max = ((unsigned long)1<<BITS_FOR_VERSION)-1;
+static void incrPlaylistVersion() {
+ static unsigned long max = ((mpd_uint32)1<<31)-1;
playlist.version++;
- if(playlist.version>=max) playlist.version = 0;
+ if(playlist.version>=max) {
+ int i;
+
+ for(i=0; i<playlist.length; i++) {
+ playlist.songMod[i] = 0;
+ }
+
+ playlist.version = 1;
+ }
+}
+
+void playlistVersionChange() {
+ int i = 0;
+
+ for(i=0; i<playlist.length; i++) {
+ playlist.songMod[i] = playlist.version;
+ }
+
+ incrPlaylistVersion();
}
static void incrPlaylistCurrent() {
@@ -108,7 +126,7 @@ void initPlaylist() {
playlist.length = 0;
playlist.repeat = 0;
- playlist.version = 0;
+ playlist.version = 1;
playlist.random = 0;
playlist.queued = -1;
playlist.current = -1;
@@ -136,7 +154,8 @@ void initPlaylist() {
}
playlist.songs = malloc(sizeof(Song *)*playlist_max_length);
- playlist.order = malloc(sizeof(Song *)*playlist_max_length);
+ playlist.songMod = malloc(sizeof(mpd_uint32)*playlist_max_length);
+ playlist.order = malloc(sizeof(int)*playlist_max_length);
memset(playlist.songs,0,sizeof(char *)*playlist_max_length);
@@ -155,8 +174,13 @@ void finishPlaylist() {
freeJustSong(playlist.songs[i]);
}
}
+
+ playlist.length = 0;
+
free(playlist.songs);
playlist.songs = NULL;
+ free(playlist.songMod);
+ playlist.songMod = NULL;
free(playlist.order);
playlist.order = NULL;
}
@@ -364,8 +388,32 @@ void readPlaylistState() {
}
}
-int playlistInfo(FILE * fp,int song) {
+void printPlaylistSongInfo(FILE * fp, int song) {
MpdTag * tag;
+
+ myfprintf(fp, "file: %s\n", (playlist.songs[song])->utf8url);
+ if((tag = (playlist.songs[song])->tag)) {
+ printMpdTag(fp, tag);
+ }
+ myfprintf(fp, "Num: %i\n", song);
+}
+
+int playlistChanges(FILE * fp, mpd_uint32 version) {
+ int i;
+
+ for(i=0; i<playlist.length; i++) {
+ if(version > playlist.version ||
+ playlist.songMod[i] >= version ||
+ playlist.songMod[i] == 0)
+ {
+ printPlaylistSongInfo(fp, i);
+ }
+ }
+
+ return 0;
+}
+
+int playlistInfo(FILE * fp, int song) {
int i;
int begin = 0;
int end = playlist.length;
@@ -380,12 +428,7 @@ int playlistInfo(FILE * fp,int song) {
return -1;
}
- for(i=begin;i<end;i++) {
- myfprintf(fp,"file: %s\n",(playlist.songs[i])->utf8url);
- if((tag = (playlist.songs[i])->tag)) {
- printMpdTag(fp,tag);
- }
- }
+ for(i=begin; i<end; i++) printPlaylistSongInfo(fp, i);
return 0;
}
@@ -396,6 +439,8 @@ void swapSongs(int song1, int song2) {
temp = playlist.songs[song1];
playlist.songs[song1] = playlist.songs[song2];
playlist.songs[song2] = temp;
+ playlist.songMod[song1] = playlist.version;
+ playlist.songMod[song2] = playlist.version;
}
void queueNextSongInPlaylist() {
@@ -512,6 +557,7 @@ int addSongToPlaylist(FILE * fp, Song * song) {
}
playlist.songs[playlist.length] = song;
+ playlist.songMod[playlist.length] = playlist.version;
playlist.order[playlist.length] = playlist.length;
playlist.length++;
@@ -613,6 +659,7 @@ int deleteFromPlaylist(FILE * fp, int song) {
/* delete song from songs array */
for(i=song;i<playlist.length-1;i++) {
playlist.songs[i] = playlist.songs[i+1];
+ playlist.songMod[i] = playlist.version;
}
/* now find it in the order array */
for(i=0;i<playlist.length-1;i++) {
@@ -746,12 +793,14 @@ int playPlaylist(FILE * fp, int song, int stopOnError) {
void syncCurrentPlayerDecodeMetadata() {
Song * songPlayer = playerCurrentDecodeSong();
Song * song;
+ int songNum;
if(!songPlayer) return;
if(playlist_state!=PLAYLIST_STATE_PLAY) return;
- song = playlist.songs[playlist.order[playlist.current]];
+ songNum = playlist.order[playlist.current];
+ song = playlist.songs[songNum];
if(song->type == SONG_TYPE_URL &&
0 == strcmp(song->utf8url, songPlayer->utf8url) &&
@@ -759,6 +808,7 @@ void syncCurrentPlayerDecodeMetadata() {
{
if(song->tag) freeMpdTag(song->tag);
song->tag = mpdTagDup(songPlayer->tag);
+ playlist.songMod[songNum] = playlist.version;
incrPlaylistVersion();
}
}
@@ -891,11 +941,18 @@ int moveSongInPlaylist(FILE * fp, int from, int to) {
tmpSong = playlist.songs[from];
/* move songs to one less in from->to */
- for(i=from;i<to;i++) playlist.songs[i] = playlist.songs[i+1];
+ for(i=from;i<to;i++) {
+ playlist.songs[i] = playlist.songs[i+1];
+ playlist.songMod[i] = playlist.version;
+ }
/* move songs to one more in to->from */
- for(i=from;i>to;i--) playlist.songs[i] = playlist.songs[i-1];
+ for(i=from;i>to;i--) {
+ playlist.songs[i] = playlist.songs[i-1];
+ playlist.songMod[i] = playlist.version;
+ }
/* put song at _to_ */
playlist.songs[to] = tmpSong;
+ playlist.songMod[to] = playlist.version;
/* now deal with order */
if(playlist.random) {
for(i=0;i<playlist.length;i++) {
diff --git a/src/playlist.h b/src/playlist.h
index a9eee9a17..0281b6bfe 100644
--- a/src/playlist.h
+++ b/src/playlist.h
@@ -22,6 +22,7 @@
#include "../config.h"
#include "song.h"
+#include "mpd_types.h"
#include <stdio.h>
#include <sys/param.h>
@@ -93,7 +94,9 @@ void playPlaylistIfPlayerStopped();
int seekSongInPlaylist(FILE * fp, int song, float time);
-void incrPlaylistVersion();
+void playlistVersionChange();
+
+int playlistChanges(FILE * fp, mpd_uint32 version);
#endif
/* vim:set shiftwidth=4 tabstop=8 expandtab: */
diff --git a/src/sig_handlers.c b/src/sig_handlers.c
index 33d3065ea..84243bf45 100644
--- a/src/sig_handlers.c
+++ b/src/sig_handlers.c
@@ -44,7 +44,7 @@ int handlePendingSignals() {
signal_clear(SIGHUP);
if(!isUpdatingDB()) {
readDirectoryDB();
- incrPlaylistVersion();
+ playlistVersionChange();
}
if(myfprintfCloseAndOpenLogFile()<0) return COMMAND_RETURN_KILL;
playerCycleLogFiles();