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playlist: replaced playlist_state with flag playlist.playing 

There were only two possible states: STOP and PLAY.  The code looks a
lot easier if we use a bool instead.  Move the variable into the
playlist struct.
This commit is contained in:
Max Kellermann 2009-01-23 00:09:26 +01:00
parent 3a1de741bb
commit 00541f8ce9
2 changed files with 32 additions and 33 deletions
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59
src/playlist.c
View File

@ -43,9 +43,6 @@
#include <stdlib.h>
#include <errno.h>
#define PLAYLIST_STATE_STOP 0
#define PLAYLIST_STATE_PLAY 1
#define PLAYLIST_PREV_UNLESS_ELAPSED 10
#define PLAYLIST_STATE_FILE_STATE "state: "
@ -70,7 +67,6 @@
static GRand *g_rand;
static Playlist playlist;
static int playlist_state = PLAYLIST_STATE_STOP;
unsigned playlist_max_length;
static int playlist_stopOnError;
static unsigned playlist_errorCount;
@ -104,10 +100,11 @@ static void incrPlaylistCurrent(void)
static void
playlist_tag_event(void)
{
if (playlist_state != PLAYLIST_STATE_PLAY ||
playlist.current < 0)
if (!playlist.playing)
return;
assert(playlist.current >= 0);
queue_modify(&playlist.queue, playlist.current);
idle_add(IDLE_PLAYLIST);
}
@ -179,8 +176,8 @@ static void playlist_save(FILE *fp)
void savePlaylistState(FILE *fp)
{
fprintf(fp, "%s", PLAYLIST_STATE_FILE_STATE);
switch (playlist_state) {
case PLAYLIST_STATE_PLAY:
if (playlist.playing) {
switch (getPlayerState()) {
case PLAYER_STATE_PAUSE:
fprintf(fp, "%s\n", PLAYLIST_STATE_FILE_STATE_PAUSE);
@ -193,11 +190,9 @@ void savePlaylistState(FILE *fp)
playlist.current));
fprintf(fp, "%s%i\n", PLAYLIST_STATE_FILE_TIME,
getPlayerElapsedTime());
break;
default:
} else
fprintf(fp, "%s\n", PLAYLIST_STATE_FILE_STATE_STOP);
break;
}
fprintf(fp, "%s%i\n", PLAYLIST_STATE_FILE_RANDOM,
playlist.queue.random);
fprintf(fp, "%s%i\n", PLAYLIST_STATE_FILE_REPEAT,
@ -513,7 +508,7 @@ addSongToPlaylist(struct song *song, unsigned *added_id)
if (queue_is_full(&playlist.queue))
return PLAYLIST_RESULT_TOO_LARGE;
if (playlist_state == PLAYLIST_STATE_PLAY && playlist.queued >= 0 &&
if (playlist.playing && playlist.queued >= 0 &&
playlist.current == (int)queue_length(&playlist.queue) - 1)
clearPlayerQueue();
@ -548,7 +543,7 @@ enum playlist_result swapSongsInPlaylist(unsigned song1, unsigned song2)
!queue_valid_position(&playlist.queue, song2))
return PLAYLIST_RESULT_BAD_RANGE;
if (playlist_state == PLAYLIST_STATE_PLAY && playlist.queued >= 0) {
if (playlist.playing && playlist.queued >= 0) {
unsigned queuedSong = queue_order_to_position(&playlist.queue,
playlist.queued);
unsigned currentSong = queue_order_to_position(&playlist.queue,
@ -598,13 +593,12 @@ enum playlist_result deleteFromPlaylist(unsigned song)
songOrder = queue_position_to_order(&playlist.queue, song);
if (playlist_state == PLAYLIST_STATE_PLAY && playlist.queued >= 0
if (playlist.playing && playlist.queued >= 0
&& (playlist.queued == (int)songOrder ||
playlist.current == (int)songOrder))
clearPlayerQueue();
if (playlist_state != PLAYLIST_STATE_STOP
&& playlist.current == (int)songOrder) {
if (playlist.playing && playlist.current == (int)songOrder) {
/*if(playlist.current>=playlist.length) return playerStop(fd);
else return playPlaylistOrderNumber(fd,playlist.current); */
playerWait();
@ -656,7 +650,7 @@ void stopPlaylist(void)
g_debug("playlist: stop");
playerWait();
playlist.queued = -1;
playlist_state = PLAYLIST_STATE_STOP;
playlist.playing = false;
playlist_noGoToNext = 0;
if (playlist.queue.random) {
@ -675,7 +669,7 @@ static void playPlaylistOrderNumber(int orderNum)
struct song *song;
char *uri;
playlist_state = PLAYLIST_STATE_PLAY;
playlist.playing = true;
playlist_noGoToNext = 0;
playlist.queued = -1;
@ -699,7 +693,7 @@ enum playlist_result playPlaylist(int song, int stopOnError)
if (queue_is_empty(&playlist.queue))
return PLAYLIST_RESULT_SUCCESS;
if (playlist_state == PLAYLIST_STATE_PLAY) {
if (playlist.playing) {
playerSetPause(0);
return PLAYLIST_RESULT_SUCCESS;
}
@ -711,15 +705,14 @@ enum playlist_result playPlaylist(int song, int stopOnError)
return PLAYLIST_RESULT_BAD_RANGE;
if (playlist.queue.random) {
if (song == -1 && playlist_state == PLAYLIST_STATE_PLAY) {
if (song == -1 && playlist.playing) {
queue_shuffle_order(&playlist.queue);
} else {
if (song >= 0)
i = queue_position_to_order(&playlist.queue, song);
if (playlist_state == PLAYLIST_STATE_STOP) {
if (!playlist.playing)
playlist.current = 0;
}
queue_swap_order(&playlist.queue,
i, playlist.current);
@ -753,7 +746,7 @@ static void playPlaylistIfPlayerStopped(void);
void syncPlayerAndPlaylist(void)
{
if (playlist_state != PLAYLIST_STATE_PLAY)
if (!playlist.playing)
return;
if (getPlayerState() == PLAYER_STATE_STOP)
@ -767,7 +760,7 @@ void syncPlayerAndPlaylist(void)
static void currentSongInPlaylist(void)
{
if (playlist_state != PLAYLIST_STATE_PLAY)
if (!playlist.playing)
return;
playlist_stopOnError = 0;
@ -784,7 +777,7 @@ void nextSongInPlaylist(void)
{
int next_order;
if (playlist_state != PLAYLIST_STATE_PLAY)
if (!playlist.playing)
return;
assert(!queue_is_empty(&playlist.queue));
@ -819,7 +812,7 @@ static void playPlaylistIfPlayerStopped(void)
else
playlist_errorCount++;
if (playlist_state == PLAYLIST_STATE_PLAY
if (playlist.playing
&& ((playlist_stopOnError && error != PLAYER_ERROR_NOERROR)
|| error == PLAYER_ERROR_AUDIO
|| error == PLAYER_ERROR_SYSTEM
@ -847,7 +840,7 @@ void setPlaylistRepeatStatus(bool status)
if (status == playlist.queue.repeat)
return;
if (playlist_state == PLAYLIST_STATE_PLAY &&
if (playlist.playing &&
playlist.queue.repeat && playlist.queued == 0)
clearPlayerQueue();
@ -885,7 +878,7 @@ enum playlist_result moveSongInPlaylist(unsigned from, int to)
to = (currentSong + abs(to)) % queue_length(&playlist.queue);
}
if (playlist_state == PLAYLIST_STATE_PLAY && playlist.queued >= 0) {
if (playlist.playing && playlist.queued >= 0) {
int queuedSong = queue_order_to_position(&playlist.queue,
playlist.queued);
if (queuedSong == (int)from || queuedSong == to
@ -938,7 +931,7 @@ static void orderPlaylist(void)
playlist.current = queue_order_to_position(&playlist.queue,
playlist.current);
if (playlist_state == PLAYLIST_STATE_PLAY && playlist.queued >= 0)
if (playlist.playing && playlist.queued >= 0)
clearPlayerQueue();
queue_restore_order(&playlist.queue);
@ -982,7 +975,7 @@ void previousSongInPlaylist(void)
lastTime += diff;
if (playlist_state != PLAYLIST_STATE_PLAY)
if (!playlist.playing)
return;
syncPlaylistWithQueue();
@ -1005,7 +998,7 @@ void shufflePlaylist(void)
unsigned i;
if (queue_length(&playlist.queue) > 1) {
if (playlist_state == PLAYLIST_STATE_PLAY) {
if (playlist.playing) {
if (playlist.queued >= 0)
clearPlayerQueue();
@ -1101,7 +1094,7 @@ enum playlist_result seekSongInPlaylist(unsigned song, float seek_time)
playlist_stopOnError = 1;
playlist_errorCount = 0;
if (playlist_state == PLAYLIST_STATE_PLAY) {
if (playlist.playing) {
if (playlist.queued >= 0)
clearPlayerQueue();
} else

6
src/playlist.h
View File

@ -49,6 +49,12 @@ typedef struct _Playlist {
*/
struct queue queue;
/**
* This value is true if the player is currently playing (or
* should be playing).
*/
bool playing;
/**
* The "current song pointer". This is the song which is
* played when we get the "play" command. It is also the song