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/* the Music Player Daemon (MPD)
* Copyright (C) 2008 Max Kellermann <max@duempel.org>
* This project's homepage is: 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
*/
#include "player_control.h"
#include "path.h"
#include "log.h"
#include "ack.h"
#include "os_compat.h"
#include "main_notify.h"
struct player_control pc;
static void set_current_song(Song *song)
{
assert(song != NULL);
assert(song->url != NULL);
pc.fileTime = song->tag ? song->tag->time : 0;
pc.next_song = song;
}
static void player_command(enum player_command cmd)
{
pc.command = cmd;
while (pc.command != PLAYER_COMMAND_NONE) {
notify_signal(&pc.notify);
wait_main_task();
}
}
void player_command_finished()
{
assert(pc.command != PLAYER_COMMAND_NONE);
pc.command = PLAYER_COMMAND_NONE;
wakeup_main_task();
}
void playerPlay(Song * song)
{
assert(pc.queueLockState == PLAYER_QUEUE_UNLOCKED);
if (pc.state != PLAYER_STATE_STOP)
player_command(PLAYER_COMMAND_STOP);
pc.queueState = PLAYER_QUEUE_BLANK;
set_current_song(song);
player_command(PLAYER_COMMAND_PLAY);
}
void playerWait(void)
{
player_command(PLAYER_COMMAND_CLOSE_AUDIO);
assert(pc.queueLockState == PLAYER_QUEUE_UNLOCKED);
player_command(PLAYER_COMMAND_CLOSE_AUDIO);
pc.queueState = PLAYER_QUEUE_BLANK;
}
void playerKill(void)
{
player_command(PLAYER_COMMAND_EXIT);
}
void playerPause(void)
{
if (pc.state != PLAYER_STATE_STOP)
player_command(PLAYER_COMMAND_PAUSE);
}
void playerSetPause(int pause_flag)
{
switch (pc.state) {
case PLAYER_STATE_STOP:
break;
case PLAYER_STATE_PLAY:
if (pause_flag)
playerPause();
break;
case PLAYER_STATE_PAUSE:
if (!pause_flag)
playerPause();
break;
}
}
int getPlayerElapsedTime(void)
{
return (int)(pc.elapsedTime + 0.5);
}
unsigned long getPlayerBitRate(void)
{
return pc.bitRate;
}
int getPlayerTotalTime(void)
{
return (int)(pc.totalTime + 0.5);
}
enum player_state getPlayerState(void)
{
return pc.state;
}
void clearPlayerError(void)
{
pc.error = 0;
}
int getPlayerError(void)
{
return pc.error;
}
char *getPlayerErrorStr(void)
{
/* static OK here, only one user in main task */
static char error[MPD_PATH_MAX + 64]; /* still too much */
static const size_t errorlen = sizeof(error);
char path_max_tmp[MPD_PATH_MAX];
*error = '\0'; /* likely */
switch (pc.error) {
case PLAYER_ERROR_FILENOTFOUND:
snprintf(error, errorlen,
"file \"%s\" does not exist or is inaccessible",
get_song_url(path_max_tmp, pc.errored_song));
break;
case PLAYER_ERROR_FILE:
snprintf(error, errorlen, "problems decoding \"%s\"",
get_song_url(path_max_tmp, pc.errored_song));
break;
case PLAYER_ERROR_AUDIO:
strcpy(error, "problems opening audio device");
break;
case PLAYER_ERROR_SYSTEM:
strcpy(error, "system error occured");
break;
case PLAYER_ERROR_UNKTYPE:
snprintf(error, errorlen, "file type of \"%s\" is unknown",
get_song_url(path_max_tmp, pc.errored_song));
}
return *error ? error : NULL;
}
void queueSong(Song * song)
{
assert(pc.queueState == PLAYER_QUEUE_BLANK);
set_current_song(song);
pc.queueState = PLAYER_QUEUE_FULL;
}
enum player_queue_state getPlayerQueueState(void)
{
return pc.queueState;
}
void setQueueState(enum player_queue_state queueState)
{
pc.queueState = queueState;
notify_signal(&pc.notify);
}
void playerQueueLock(void)
{
assert(pc.queueLockState == PLAYER_QUEUE_UNLOCKED);
player_command(PLAYER_COMMAND_LOCK_QUEUE);
assert(pc.queueLockState == PLAYER_QUEUE_LOCKED);
}
void playerQueueUnlock(void)
{
if (pc.queueLockState == PLAYER_QUEUE_LOCKED)
player_command(PLAYER_COMMAND_UNLOCK_QUEUE);
assert(pc.queueLockState == PLAYER_QUEUE_UNLOCKED);
}
int playerSeek(Song * song, float seek_time)
{
assert(song != NULL);
if (pc.state == PLAYER_STATE_STOP)
return -1;
if (pc.next_song != song)
set_current_song(song);
if (pc.error == PLAYER_ERROR_NOERROR) {
pc.seekWhere = seek_time;
player_command(PLAYER_COMMAND_SEEK);
}
return 0;
}
float getPlayerCrossFade(void)
{
return pc.crossFade;
}
void setPlayerCrossFade(float crossFadeInSeconds)
{
if (crossFadeInSeconds < 0)
crossFadeInSeconds = 0;
pc.crossFade = crossFadeInSeconds;
}
void setPlayerSoftwareVolume(int volume)
{
volume = (volume > 1000) ? 1000 : (volume < 0 ? 0 : volume);
pc.softwareVolume = volume;
}
double getPlayerTotalPlayTime(void)
{
return pc.totalPlayTime;
}
unsigned int getPlayerSampleRate(void)
{
return pc.sampleRate;
}
int getPlayerBits(void)
{
return pc.bits;
}
int getPlayerChannels(void)
{
return pc.channels;
}
/* this actually creates a dupe of the current metadata */
Song *playerCurrentDecodeSong(void)
{
return NULL;
}
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