diff options
Diffstat (limited to '')
-rw-r--r-- | TODO | 4 | ||||
-rw-r--r-- | src/playlist.c | 69 |
2 files changed, 61 insertions, 12 deletions
@@ -1,7 +1,5 @@ *) add songids - a) make hash space 4*max_playlist_size - b) deprecate playlistinfo, move, swap, delete, play, seek - c) add playlist, mvid, swapid, delid, playid, seekid + a) add playlistid, moveid, swapid, deleteid, playid, seekid *) put some sort of error reporting for streaming/inputStream! diff --git a/src/playlist.c b/src/playlist.c index 8d5ad150b..1f7c876ed 100644 --- a/src/playlist.c +++ b/src/playlist.c @@ -58,11 +58,15 @@ #define PLAYLIST_BUFFER_SIZE 2*MAXPATHLEN +#define PLAYLIST_HASH_MULT 4 + typedef struct _Playlist { Song ** songs; /* holds version a song was modified on */ mpd_uint32 * songMod; int * order; + int * numToId; + int * idToNum; int length; int current; int queued; @@ -123,6 +127,7 @@ static void incrPlaylistCurrent() { void initPlaylist() { char * test; + int i; playlist.length = 0; playlist.repeat = 0; @@ -156,6 +161,9 @@ void initPlaylist() { playlist.songs = malloc(sizeof(Song *)*playlist_max_length); playlist.songMod = malloc(sizeof(mpd_uint32)*playlist_max_length); playlist.order = malloc(sizeof(int)*playlist_max_length); + playlist.idToNum = malloc(sizeof(int)*playlist_max_length* + PLAYLIST_HASH_MULT); + playlist.numToId = malloc(sizeof(int)*playlist_max_length); memset(playlist.songs,0,sizeof(char *)*playlist_max_length); @@ -165,6 +173,22 @@ void initPlaylist() { playlist_stateFile = getConf()[CONF_STATE_FILE]; } + for(i=0; i<playlist_max_length*PLAYLIST_HASH_MULT; i++) { + playlist.idToNum[i] = -1; + } +} + +static int getNextId() { + static int cur = 0; + + while(playlist.idToNum[cur] != -1) { + cur++; + if(cur >= playlist_max_length*PLAYLIST_HASH_MULT) { + cur = 0; + } + } + + return cur; } void finishPlaylist() { @@ -183,6 +207,10 @@ void finishPlaylist() { playlist.songMod = NULL; free(playlist.order); playlist.order = NULL; + free(playlist.idToNum); + playlist.idToNum = NULL; + free(playlist.numToId); + playlist.numToId = NULL; } int clearPlaylist(FILE * fp) { @@ -194,6 +222,7 @@ int clearPlaylist(FILE * fp) { if(playlist.songs[i]->type == SONG_TYPE_URL) { freeJustSong(playlist.songs[i]); } + playlist.idToNum[playlist.numToId[i]] = -1; playlist.songs[i] = NULL; } playlist.length = 0; @@ -396,6 +425,7 @@ void printPlaylistSongInfo(FILE * fp, int song) { printMpdTag(fp, tag); } myfprintf(fp, "Num: %i\n", song); + myfprintf(fp, "Id: %i\n", playlist.numToId[song]); } int playlistChanges(FILE * fp, mpd_uint32 version) { @@ -434,13 +464,22 @@ int playlistInfo(FILE * fp, int song) { } void swapSongs(int song1, int song2) { - Song * temp; + Song * sTemp; + int iTemp; - temp = playlist.songs[song1]; + sTemp = playlist.songs[song1]; playlist.songs[song1] = playlist.songs[song2]; - playlist.songs[song2] = temp; + playlist.songs[song2] = sTemp; + playlist.songMod[song1] = playlist.version; playlist.songMod[song2] = playlist.version; + + playlist.idToNum[playlist.numToId[song1]] = song2; + playlist.idToNum[playlist.numToId[song2]] = song1; + + iTemp = playlist.numToId[song1]; + playlist.numToId[song1] = playlist.numToId[song2]; + playlist.numToId[song2] = iTemp; } void queueNextSongInPlaylist() { @@ -559,6 +598,8 @@ int addSongToPlaylist(FILE * fp, Song * song) { playlist.songs[playlist.length] = song; playlist.songMod[playlist.length] = playlist.version; playlist.order[playlist.length] = playlist.length; + playlist.numToId[playlist.length] = getNextId(); + playlist.idToNum[playlist.numToId[playlist.length]] = playlist.length; playlist.length++; if(playlist.random) { @@ -632,6 +673,13 @@ int swapSongsInPlaylist(FILE * fp, int song1, int song2) { return 0; } +#define moveSongFromTo(from, to) { \ + playlist.idToNum[playlist.numToId[from]] = to; \ + playlist.numToId[to] = playlist.numToId[from]; \ + playlist.songs[to] = playlist.songs[from]; \ + playlist.songMod[to] = playlist.version; \ +} + int deleteFromPlaylist(FILE * fp, int song) { int i; int songOrder; @@ -656,10 +704,11 @@ int deleteFromPlaylist(FILE * fp, int song) { freeJustSong(playlist.songs[song]); } + playlist.idToNum[playlist.numToId[song]] = -1; + /* 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; + moveSongFromTo(i+1, i); } /* now find it in the order array */ for(i=0;i<playlist.length-1;i++) { @@ -909,6 +958,7 @@ int setPlaylistRepeatStatus(FILE * fp, int status) { int moveSongInPlaylist(FILE * fp, int from, int to) { int i; Song * tmpSong; + int tmpId; int queuedSong = -1; int currentSong = -1; @@ -940,17 +990,18 @@ int moveSongInPlaylist(FILE * fp, int from, int to) { } tmpSong = playlist.songs[from]; + tmpId = playlist.numToId[from]; /* move songs to one less in from->to */ for(i=from;i<to;i++) { - playlist.songs[i] = playlist.songs[i+1]; - playlist.songMod[i] = playlist.version; + moveSongFromTo(i+1, i); } /* move songs to one more in to->from */ for(i=from;i>to;i--) { - playlist.songs[i] = playlist.songs[i-1]; - playlist.songMod[i] = playlist.version; + moveSongFromTo(i-1, i); } /* put song at _to_ */ + playlist.idToNum[playlist.numToId[tmpId]] = to; + playlist.numToId[to] = tmpId; playlist.songs[to] = tmpSong; playlist.songMod[to] = playlist.version; /* now deal with order */ |