static int pls_next_open(auds_t *auds, pls_t *pls)
{
size_t len=1024;
char *line=(char *)malloc(len);
int lsize,lp,i, findex;
if(auds->auds) auds_close(auds->auds);
auds->auds=NULL;
if(!line) return -1;
pls->index++;
while((lsize=getline(&line,&len,pls->inf))>0){
if(strstr(line,"File")!=line) continue;
str_termlf(line);
for(i=4;i<lsize;i++){
if(line[i]!='=') continue;
lp=i+1;
line[i]=0;
findex=atoi(line+4);
if(pls->index!=findex) break;
if((auds->auds=auds_open(line+lp, 0))) return 0;
return -1;
}
}
return -1;
}
static int main_event_handler()
{
fd_set rdfds,wrfds;
int fdmax=0;
int i;
struct timeval tout={.tv_sec=MAIN_EVENT_TIMEOUT, .tv_usec=0};
FD_ZERO(&rdfds);
FD_ZERO(&wrfds);
for(i=0;i<MAX_NUM_OF_FDS;i++){
if(raopld->fds[i].fd<0) continue;
if(raopld->fds[i].flags&RAOP_FD_READ)
FD_SET(raopld->fds[i].fd, &rdfds);
if(raopld->fds[i].flags&RAOP_FD_WRITE)
FD_SET(raopld->fds[i].fd, &wrfds);
fdmax=(fdmax<raopld->fds[i].fd)?raopld->fds[i].fd:fdmax;
}
if(raopcl_wait_songdone(raopld->raopcl,0))
raopcl_aexbuf_time(raopld->raopcl, &tout);
select(fdmax+1,&rdfds,&wrfds,NULL,&tout);
for(i=0;i<MAX_NUM_OF_FDS;i++){
if(raopld->fds[i].fd<0) continue;
if((raopld->fds[i].flags&RAOP_FD_READ) &&
FD_ISSET(raopld->fds[i].fd,&rdfds)){
//DBGMSG("rd event i=%d, flags=%d\n",i,raopld->fds[i].flags);
if(raopld->fds[i].cbf &&
raopld->fds[i].cbf(raopld->fds[i].dp, RAOP_FD_READ)) return -1;
}
if((raopld->fds[i].flags&RAOP_FD_WRITE) &&
FD_ISSET(raopld->fds[i].fd,&wrfds)){
//DBGMSG("wr event i=%d, flags=%d\n",i,raopld->fds[i].flags);
if(raopld->fds[i].cbf &&
raopld->fds[i].cbf(raopld->fds[i].dp, RAOP_FD_WRITE)) return -1;
}
}
if(raopcl_wait_songdone(raopld->raopcl,0)){
raopcl_aexbuf_time(raopld->raopcl, &tout);
if(!tout.tv_sec && !tout.tv_usec){
// AEX data buffer becomes empty, it means end of playing a song.
printf("%s\n",RAOP_SONGDONE);
fflush(stdout);
raopcl_wait_songdone(raopld->raopcl,-1); // clear wait_songdone
}
}
raopcl_pause_check(raopld->raopcl);
return 0;
}
static int console_command(char *cstr)
{
int i;
char *ps=NULL;
if(strstr(cstr,"play")==cstr){
if(raopcl_get_pause(raopld->raopcl)) {
raopcl_set_pause(raopld->raopcl,NO_PAUSE);
return 0;
}
for(i=0;i<strlen(cstr);i++) {
if(cstr[i]==' ') {
ps=cstr+i+1;
break;
}
}
if(!ps) return 0;
// if there is a new song name, open the song
if(!(raopld->auds=auds_open(ps, 0))){
printf("%s\n",RAOP_ERROR);
fflush(stdout);
return -1;
}
raopcl_flush_stream(raopld->raopcl);
return 0;
}else if(!strcmp(cstr,"pause")){
if(raopcl_wait_songdone(raopld->raopcl,0)){
INFMSG("in this period, pause can't work\n");
return -2;
}
if(raopld->auds) {
raopcl_set_pause(raopld->raopcl,OP_PAUSE);
}
}else if(!strcmp(cstr,"stop")){
if(raopcl_get_pause(raopld->raopcl)) raopcl_set_pause(raopld->raopcl,NO_PAUSE);
if(raopld->auds) auds_close(raopld->auds);
raopld->auds=NULL;
}else if(!strcmp(cstr,"quit")){
return -2;
}else if((ps=strstr(cstr,"volume"))){
i=atoi(ps+7);
return raopcl_update_volume(raopld->raopcl,i);
}
return -1;
}
int main(int argc, char *argv[])
{
char *host=NULL;
char *fname=NULL;
int port=SERVER_PORT;
int rval=-1,i;
int size;
int volume=100;
__u8 *buf;
int iact=0;
struct sigaction act;
/* Assign sig_term as our SIGTERM handler */
act.sa_sigaction = sig_action;
sigemptyset(&act.sa_mask); // no other signals are blocked
act.sa_flags = SA_SIGINFO; // use sa_sigaction instead of sa_handler
sigaction(SIGTERM, &act, NULL);
sigaction(SIGINT, &act, NULL);
sigaction(SIGCHLD, &act, NULL);
for(i=1;i<argc;i++){
if(!strcmp(argv[i],"-i")){
iact=1;
continue;
}
if(!strcmp(argv[i],"--port")){
port=atoi(argv[++i]);
continue;
}
if(!strcmp(argv[i],"--vol")){
volume=atoi(argv[++i]);
continue;
}
if(!strcmp(argv[i],"--help") || !strcmp(argv[i],"-h"))
return print_usage(argv);
if(!host) {host=argv[i]; continue;}
if(!fname) {fname=argv[i]; continue;}
}
if(!host) return print_usage(argv);
if(!iact && !fname) return print_usage(argv);
raopld=(raopld_t*)malloc(sizeof(raopld_t));
if(!raopld) goto erexit;
memset(raopld,0,sizeof(raopld_t));
for(i=0;i<MAX_NUM_OF_FDS;i++) raopld->fds[i].fd=-1;
raopld->raopcl=raopcl_open();
if(!raopld->raopcl) goto erexit;
if(raopcl_connect(raopld->raopcl,host,port)) goto erexit;
if(raopcl_update_volume(raopld->raopcl,volume)) goto erexit;
printf("%s\n",RAOP_CONNECTED);
fflush(stdout);
if(fname && !(raopld->auds=auds_open(fname,0))) goto erexit;
set_fd_event(0,RAOP_FD_READ,console_read,NULL);
rval=0;
while(!rval){
if(!raopld->auds){
// if audio data is not opened, just check events
rval=main_event_handler(raopld);
continue;
}
switch(raopcl_get_pause(raopld->raopcl)){
case OP_PAUSE:
rval=main_event_handler();
continue;
case NODATA_PAUSE:
if(auds_poll_next_sample(raopld->auds)){
raopcl_set_pause(raopld->raopcl,NO_PAUSE);
}else{
rval=main_event_handler();
continue;
}
case NO_PAUSE:
if(!auds_poll_next_sample(raopld->auds)){
// no next data, turn into pause status
raopcl_set_pause(raopld->raopcl,NODATA_PAUSE);
continue;
}
if(auds_get_next_sample(raopld->auds, &buf, &size)){
auds_close(raopld->auds);
raopld->auds=NULL;
raopcl_wait_songdone(raopld->raopcl,1);
}
if(raopcl_send_sample(raopld->raopcl,buf,size)) break;
do{
if((rval=main_event_handler())) break;
}while(raopld->auds && raopcl_sample_remsize(raopld->raopcl));
break;
default:
rval=-1;
break;
}
}
rval=raopcl_close(raopld->raopcl);
erexit:
if(raopld->auds) auds_close(raopld->auds);
if(raopld) free(raopld);
return rval;
}