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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 "tag.h"
#include "song.h"
#include "idle.h"
#include "pcm_utils.h"
#include "event_pipe.h"
#include <assert.h>
#include <stdio.h>
struct player_control pc;
void pc_init(unsigned int buffered_before_play)
{
pc.buffered_before_play = buffered_before_play;
notify_init(&pc.notify);
pc.command = PLAYER_COMMAND_NONE;
pc.error = PLAYER_ERROR_NOERROR;
pc.state = PLAYER_STATE_STOP;
pc.cross_fade_seconds = 0;
pc.software_volume = PCM_VOLUME_1;
}
void pc_deinit(void)
{
notify_deinit(&pc.notify);
}
void
pc_song_deleted(const struct song *song)
{
if (pc.errored_song == song)
pc.errored_song = NULL;
}
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
playerPlay(struct song *song)
{
assert(song != NULL);
if (pc.state != PLAYER_STATE_STOP)
player_command(PLAYER_COMMAND_STOP);
pc.next_song = song;
player_command(PLAYER_COMMAND_PLAY);
idle_add(IDLE_PLAYER);
}
void pc_cancel(void)
{
player_command(PLAYER_COMMAND_CANCEL);
}
void playerWait(void)
{
player_command(PLAYER_COMMAND_CLOSE_AUDIO);
idle_add(IDLE_PLAYER);
}
void playerKill(void)
{
player_command(PLAYER_COMMAND_EXIT);
idle_add(IDLE_PLAYER);
}
void playerPause(void)
{
if (pc.state != PLAYER_STATE_STOP) {
player_command(PLAYER_COMMAND_PAUSE);
idle_add(IDLE_PLAYER);
}
}
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.elapsed_time + 0.5);
}
unsigned long getPlayerBitRate(void)
{
return pc.bit_rate;
}
int getPlayerTotalTime(void)
{
return (int)(pc.total_time + 0.5);
}
enum player_state getPlayerState(void)
{
return pc.state;
}
void clearPlayerError(void)
{
pc.error = 0;
}
enum player_error getPlayerError(void)
{
return pc.error;
}
static const char *
pc_errored_song_uri(void)
{
char path_max_tmp[MPD_PATH_MAX];
if (pc.errored_song == NULL)
return "?";
return song_get_url(pc.errored_song, path_max_tmp);
}
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);
*error = '\0'; /* likely */
switch (pc.error) {
case PLAYER_ERROR_NOERROR:
break;
case PLAYER_ERROR_FILENOTFOUND:
snprintf(error, errorlen,
"file \"%s\" does not exist or is inaccessible",
pc_errored_song_uri());
break;
case PLAYER_ERROR_FILE:
snprintf(error, errorlen, "problems decoding \"%s\"",
pc_errored_song_uri());
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",
pc_errored_song_uri());
}
return *error ? error : NULL;
}
void
queueSong(struct song *song)
{
assert(song != NULL);
assert(pc.next_song == NULL);
pc.next_song = song;
player_command(PLAYER_COMMAND_QUEUE);
}
int
playerSeek(struct song *song, float seek_time)
{
assert(song != NULL);
if (pc.state == PLAYER_STATE_STOP)
return -1;
pc.next_song = song;
if (pc.error == PLAYER_ERROR_NOERROR) {
pc.seek_where = seek_time;
player_command(PLAYER_COMMAND_SEEK);
idle_add(IDLE_PLAYER);
}
return 0;
}
float getPlayerCrossFade(void)
{
return pc.cross_fade_seconds;
}
void setPlayerCrossFade(float crossFadeInSeconds)
{
if (crossFadeInSeconds < 0)
crossFadeInSeconds = 0;
pc.cross_fade_seconds = crossFadeInSeconds;
idle_add(IDLE_OPTIONS);
}
void setPlayerSoftwareVolume(int volume)
{
if (volume > PCM_VOLUME_1)
volume = PCM_VOLUME_1;
else if (volume < 0)
volume = 0;
pc.software_volume = volume;
}
double getPlayerTotalPlayTime(void)
{
return pc.total_play_time;
}
/* this actually creates a dupe of the current metadata */
struct song *
playerCurrentDecodeSong(void)
{
return NULL;
}
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