2004-02-24 00:41:20 +01:00
|
|
|
/* the Music Player Daemon (MPD)
|
|
|
|
* (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu)
|
|
|
|
* 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 "playerData.h"
|
|
|
|
#include "conf.h"
|
|
|
|
#include "log.h"
|
|
|
|
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <sys/ipc.h>
|
|
|
|
#include <sys/shm.h>
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <stdlib.h>
|
2004-02-25 19:46:41 +01:00
|
|
|
#include <string.h>
|
2004-02-24 00:41:20 +01:00
|
|
|
|
|
|
|
int buffered_before_play;
|
2004-02-25 22:10:56 +01:00
|
|
|
int buffered_chunks;
|
2004-02-24 00:41:20 +01:00
|
|
|
|
|
|
|
PlayerData * playerData_pd;
|
|
|
|
|
|
|
|
void initPlayerData() {
|
|
|
|
float perc;
|
|
|
|
char * test;
|
|
|
|
int shmid;
|
|
|
|
int crossfade = 0;
|
|
|
|
size_t bufferSize;
|
|
|
|
size_t allocationSize;
|
2004-05-07 17:58:04 +02:00
|
|
|
OutputBuffer * buffer;
|
2004-02-24 00:41:20 +01:00
|
|
|
|
|
|
|
bufferSize = strtol(getConf()[CONF_BUFFER_SIZE],&test,10);
|
|
|
|
if(*test!='\0' || bufferSize<=0) {
|
|
|
|
ERROR("buffer size \"%s\" is not a positive integer\n",
|
|
|
|
getConf()[CONF_BUFFER_SIZE]);
|
2004-04-03 01:34:16 +02:00
|
|
|
exit(EXIT_FAILURE);
|
2004-02-24 00:41:20 +01:00
|
|
|
}
|
|
|
|
bufferSize*=1024;
|
|
|
|
|
2004-02-25 22:10:56 +01:00
|
|
|
buffered_chunks = bufferSize/CHUNK_SIZE;
|
2004-02-24 00:41:20 +01:00
|
|
|
|
2004-04-01 02:33:35 +02:00
|
|
|
if(buffered_chunks >= 1<<15) {
|
|
|
|
ERROR("buffer size \"%i\" is too big\n",bufferSize);
|
2004-04-03 01:34:16 +02:00
|
|
|
exit(EXIT_FAILURE);
|
2004-04-01 02:33:35 +02:00
|
|
|
}
|
|
|
|
|
2004-02-24 00:41:20 +01:00
|
|
|
perc = strtod((getConf())[CONF_BUFFER_BEFORE_PLAY],&test);
|
|
|
|
if(*test!='%' || perc<0 || perc>100) {
|
|
|
|
ERROR("buffered before play \"%s\" is not a positive "
|
|
|
|
"percentage and less than 100 percent\n",
|
|
|
|
(getConf())[CONF_BUFFER_BEFORE_PLAY]);
|
2004-04-03 01:34:16 +02:00
|
|
|
exit(EXIT_FAILURE);
|
2004-02-24 00:41:20 +01:00
|
|
|
}
|
2004-02-25 22:10:56 +01:00
|
|
|
buffered_before_play = (perc/100)*buffered_chunks;
|
|
|
|
if(buffered_before_play>buffered_chunks) {
|
|
|
|
buffered_before_play = buffered_chunks;
|
2004-02-24 00:41:20 +01:00
|
|
|
}
|
|
|
|
else if(buffered_before_play<0) buffered_before_play = 0;
|
|
|
|
|
2004-02-25 22:10:56 +01:00
|
|
|
allocationSize = buffered_chunks*CHUNK_SIZE; /*actual buffer*/
|
|
|
|
allocationSize+= buffered_chunks*sizeof(float); /*for times*/
|
|
|
|
allocationSize+= buffered_chunks*sizeof(mpd_sint16); /*for chunkSize*/
|
|
|
|
allocationSize+= buffered_chunks*sizeof(mpd_sint16); /*for bitRate*/
|
2004-02-24 00:41:20 +01:00
|
|
|
allocationSize+= sizeof(PlayerData); /*for playerData struct*/
|
|
|
|
|
|
|
|
if((shmid = shmget(IPC_PRIVATE,allocationSize,IPC_CREAT|0600))<0) {
|
|
|
|
ERROR("problems shmget'ing\n");
|
2004-04-03 01:34:16 +02:00
|
|
|
exit(EXIT_FAILURE);
|
2004-02-24 00:41:20 +01:00
|
|
|
}
|
|
|
|
if((playerData_pd = shmat(shmid,NULL,0))<0) {
|
|
|
|
ERROR("problems shmat'ing\n");
|
2004-04-03 01:34:16 +02:00
|
|
|
exit(EXIT_FAILURE);
|
2004-02-24 00:41:20 +01:00
|
|
|
}
|
|
|
|
if (shmctl(shmid, IPC_RMID, 0)<0) {
|
|
|
|
ERROR("problems shmctl'ing\n");
|
2004-04-03 01:34:16 +02:00
|
|
|
exit(EXIT_FAILURE);
|
2004-02-24 00:41:20 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
buffer = &(playerData_pd->buffer);
|
|
|
|
|
|
|
|
buffer->chunks = ((char *)playerData_pd)+sizeof(PlayerData);
|
2004-03-01 04:34:01 +01:00
|
|
|
buffer->chunkSize = (mpd_uint16 *)(((char *)buffer->chunks)+
|
2004-02-25 22:10:56 +01:00
|
|
|
buffered_chunks*CHUNK_SIZE);
|
2004-03-01 04:34:01 +01:00
|
|
|
buffer->bitRate = (mpd_uint16 *)(((char *)buffer->chunkSize)+
|
2004-02-25 22:10:56 +01:00
|
|
|
buffered_chunks*sizeof(mpd_sint16));
|
2004-02-24 00:41:20 +01:00
|
|
|
buffer->times = (float *)(((char *)buffer->bitRate)+
|
2004-02-25 22:10:56 +01:00
|
|
|
buffered_chunks*sizeof(mpd_sint16));
|
2004-02-24 00:41:20 +01:00
|
|
|
|
|
|
|
playerData_pd->playerControl.stop = 0;
|
|
|
|
playerData_pd->playerControl.pause = 0;
|
|
|
|
playerData_pd->playerControl.play = 0;
|
|
|
|
playerData_pd->playerControl.error = PLAYER_ERROR_NOERROR;
|
|
|
|
playerData_pd->playerControl.lockQueue = 0;
|
|
|
|
playerData_pd->playerControl.unlockQueue = 0;
|
|
|
|
playerData_pd->playerControl.state = PLAYER_STATE_STOP;
|
|
|
|
playerData_pd->playerControl.queueState = PLAYER_QUEUE_BLANK;
|
|
|
|
playerData_pd->playerControl.queueLockState = PLAYER_QUEUE_UNLOCKED;
|
|
|
|
playerData_pd->playerControl.seek = 0;
|
2004-05-31 13:42:46 +02:00
|
|
|
memset(playerData_pd->playerControl.utf8url, 0, MAXPATHLEN+1);
|
|
|
|
memset(playerData_pd->playerControl.erroredUrl, 0, MAXPATHLEN+1);
|
2004-06-01 01:29:35 +02:00
|
|
|
memset(playerData_pd->playerControl.currentUrl, 0, MAXPATHLEN+1);
|
|
|
|
memset(playerData_pd->playerControl.metadata, 0,
|
|
|
|
DECODE_METADATA_LENGTH);
|
2004-02-24 00:41:20 +01:00
|
|
|
playerData_pd->playerControl.crossFade = crossfade;
|
2004-04-11 13:48:04 +02:00
|
|
|
playerData_pd->playerControl.softwareVolume = 1000;
|
2004-02-24 00:41:20 +01:00
|
|
|
playerData_pd->playerControl.totalPlayTime = 0;
|
2004-02-27 23:25:06 +01:00
|
|
|
playerData_pd->playerControl.decode_pid = 0;
|
2004-06-01 01:29:35 +02:00
|
|
|
playerData_pd->playerControl.title = -1;
|
|
|
|
playerData_pd->playerControl.metadataState =
|
|
|
|
PLAYER_METADATA_STATE_WRITE;
|
2004-02-24 00:41:20 +01:00
|
|
|
|
|
|
|
playerData_pd->decoderControl.stop = 0;
|
|
|
|
playerData_pd->decoderControl.start = 0;
|
|
|
|
playerData_pd->decoderControl.state = DECODE_STATE_STOP;
|
|
|
|
playerData_pd->decoderControl.seek = 0;
|
|
|
|
playerData_pd->decoderControl.error = DECODE_ERROR_NOERROR;
|
2004-05-31 13:42:46 +02:00
|
|
|
memset(playerData_pd->decoderControl.utf8url, 0, MAXPATHLEN+1);
|
|
|
|
memset(playerData_pd->decoderControl.metadata, 0,
|
2004-06-01 01:29:35 +02:00
|
|
|
DECODE_METADATA_LENGTH);
|
2004-05-31 13:42:46 +02:00
|
|
|
playerData_pd->decoderControl.title = -1;
|
|
|
|
playerData_pd->decoderControl.metadataSet = 0;
|
2004-02-24 00:41:20 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
PlayerData * getPlayerData() {
|
|
|
|
return playerData_pd;
|
|
|
|
}
|
|
|
|
|
|
|
|
void freePlayerData() {
|
|
|
|
shmdt(playerData_pd);
|
|
|
|
}
|
2004-04-14 16:53:41 +02:00
|
|
|
/* vim:set shiftwidth=4 tabstop=8 expandtab: */
|