2008-08-26 08:41:05 +02:00
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/* the Music Player Daemon (MPD)
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* Copyright (C) 2008 Max Kellermann <max@duempel.org>
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* This project's homepage is: http://www.musicpd.org
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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2008-08-26 08:44:38 +02:00
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#include "player_control.h"
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#include "path.h"
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#include "log.h"
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2008-09-06 20:28:31 +02:00
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#include "tag.h"
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2008-10-08 10:49:11 +02:00
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#include "song.h"
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2008-08-26 08:44:38 +02:00
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#include "os_compat.h"
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#include "main_notify.h"
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2008-08-26 08:41:05 +02:00
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struct player_control pc;
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2008-08-26 08:44:38 +02:00
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2008-08-26 08:45:14 +02:00
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void pc_init(unsigned int buffered_before_play)
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{
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pc.buffered_before_play = buffered_before_play;
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notify_init(&pc.notify);
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pc.command = PLAYER_COMMAND_NONE;
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pc.error = PLAYER_ERROR_NOERROR;
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pc.state = PLAYER_STATE_STOP;
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pc.queueState = PLAYER_QUEUE_BLANK;
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pc.queueLockState = PLAYER_QUEUE_UNLOCKED;
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pc.crossFade = 0;
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pc.softwareVolume = 1000;
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}
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2008-09-24 07:14:11 +02:00
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void pc_deinit(void)
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{
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notify_deinit(&pc.notify);
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}
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2008-10-08 10:49:11 +02:00
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static void
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set_current_song(struct song *song)
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2008-08-26 08:44:38 +02:00
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{
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assert(song != NULL);
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assert(song->url != NULL);
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pc.next_song = song;
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}
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static void player_command(enum player_command cmd)
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{
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pc.command = cmd;
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while (pc.command != PLAYER_COMMAND_NONE) {
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notify_signal(&pc.notify);
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wait_main_task();
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}
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}
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2008-10-08 10:49:11 +02:00
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void
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playerPlay(struct song *song)
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2008-08-26 08:44:38 +02:00
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{
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assert(pc.queueLockState == PLAYER_QUEUE_UNLOCKED);
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if (pc.state != PLAYER_STATE_STOP)
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player_command(PLAYER_COMMAND_STOP);
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pc.queueState = PLAYER_QUEUE_BLANK;
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set_current_song(song);
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player_command(PLAYER_COMMAND_PLAY);
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}
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void playerWait(void)
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{
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player_command(PLAYER_COMMAND_CLOSE_AUDIO);
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assert(pc.queueLockState == PLAYER_QUEUE_UNLOCKED);
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player_command(PLAYER_COMMAND_CLOSE_AUDIO);
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pc.queueState = PLAYER_QUEUE_BLANK;
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}
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void playerKill(void)
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{
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player_command(PLAYER_COMMAND_EXIT);
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}
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void playerPause(void)
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{
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if (pc.state != PLAYER_STATE_STOP)
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player_command(PLAYER_COMMAND_PAUSE);
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}
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void playerSetPause(int pause_flag)
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{
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switch (pc.state) {
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case PLAYER_STATE_STOP:
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break;
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case PLAYER_STATE_PLAY:
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if (pause_flag)
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playerPause();
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break;
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case PLAYER_STATE_PAUSE:
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if (!pause_flag)
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playerPause();
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break;
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}
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}
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int getPlayerElapsedTime(void)
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{
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return (int)(pc.elapsedTime + 0.5);
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}
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unsigned long getPlayerBitRate(void)
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{
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return pc.bitRate;
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}
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int getPlayerTotalTime(void)
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{
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return (int)(pc.totalTime + 0.5);
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}
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enum player_state getPlayerState(void)
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{
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return pc.state;
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}
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void clearPlayerError(void)
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{
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pc.error = 0;
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}
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int getPlayerError(void)
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{
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return pc.error;
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}
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char *getPlayerErrorStr(void)
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{
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/* static OK here, only one user in main task */
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static char error[MPD_PATH_MAX + 64]; /* still too much */
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static const size_t errorlen = sizeof(error);
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char path_max_tmp[MPD_PATH_MAX];
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*error = '\0'; /* likely */
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switch (pc.error) {
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case PLAYER_ERROR_FILENOTFOUND:
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snprintf(error, errorlen,
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"file \"%s\" does not exist or is inaccessible",
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2008-10-08 11:05:34 +02:00
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song_get_url(pc.errored_song, path_max_tmp));
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2008-08-26 08:44:38 +02:00
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break;
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case PLAYER_ERROR_FILE:
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snprintf(error, errorlen, "problems decoding \"%s\"",
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2008-10-08 11:05:34 +02:00
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song_get_url(pc.errored_song, path_max_tmp));
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2008-08-26 08:44:38 +02:00
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break;
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case PLAYER_ERROR_AUDIO:
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strcpy(error, "problems opening audio device");
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break;
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case PLAYER_ERROR_SYSTEM:
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strcpy(error, "system error occured");
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break;
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case PLAYER_ERROR_UNKTYPE:
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snprintf(error, errorlen, "file type of \"%s\" is unknown",
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2008-10-08 11:05:34 +02:00
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song_get_url(pc.errored_song, path_max_tmp));
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2008-08-26 08:44:38 +02:00
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}
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return *error ? error : NULL;
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}
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2008-10-08 10:49:11 +02:00
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void
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queueSong(struct song *song)
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2008-08-26 08:44:38 +02:00
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{
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assert(pc.queueState == PLAYER_QUEUE_BLANK);
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set_current_song(song);
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pc.queueState = PLAYER_QUEUE_FULL;
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}
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enum player_queue_state getPlayerQueueState(void)
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{
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return pc.queueState;
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}
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void setQueueState(enum player_queue_state queueState)
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{
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pc.queueState = queueState;
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notify_signal(&pc.notify);
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}
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void playerQueueLock(void)
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{
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assert(pc.queueLockState == PLAYER_QUEUE_UNLOCKED);
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player_command(PLAYER_COMMAND_LOCK_QUEUE);
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assert(pc.queueLockState == PLAYER_QUEUE_LOCKED);
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}
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void playerQueueUnlock(void)
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{
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if (pc.queueLockState == PLAYER_QUEUE_LOCKED)
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player_command(PLAYER_COMMAND_UNLOCK_QUEUE);
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assert(pc.queueLockState == PLAYER_QUEUE_UNLOCKED);
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}
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2008-10-08 10:49:11 +02:00
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int
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playerSeek(struct song *song, float seek_time)
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2008-08-26 08:44:38 +02:00
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{
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assert(song != NULL);
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if (pc.state == PLAYER_STATE_STOP)
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return -1;
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if (pc.next_song != song)
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set_current_song(song);
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if (pc.error == PLAYER_ERROR_NOERROR) {
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pc.seekWhere = seek_time;
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player_command(PLAYER_COMMAND_SEEK);
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}
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return 0;
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}
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float getPlayerCrossFade(void)
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{
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return pc.crossFade;
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}
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void setPlayerCrossFade(float crossFadeInSeconds)
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{
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if (crossFadeInSeconds < 0)
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crossFadeInSeconds = 0;
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pc.crossFade = crossFadeInSeconds;
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}
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void setPlayerSoftwareVolume(int volume)
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{
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volume = (volume > 1000) ? 1000 : (volume < 0 ? 0 : volume);
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pc.softwareVolume = volume;
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}
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double getPlayerTotalPlayTime(void)
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{
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return pc.totalPlayTime;
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}
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/* this actually creates a dupe of the current metadata */
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2008-10-08 10:49:11 +02:00
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struct song *
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playerCurrentDecodeSong(void)
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2008-08-26 08:44:38 +02:00
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{
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return NULL;
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}
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