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/* MPEG/WAVE Sound library
(C) 1997 by Jung woo-jae */
// Fileplayer.cc
// It's an example for how to use MPEG/WAVE Sound library
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
extern void debug(const char*);
#include <string.h>
#include "mpegsound.h"
// File player superclass
Fileplayer::Fileplayer()
{
__errorcode=SOUND_ERROR_OK;
player=NULL;
};
Fileplayer::~Fileplayer()
{
delete player;
};
bool Fileplayer::opendevice(char *device, soundtype write2file)
{
char x[80]; sprintf(x, "device=%s\n", (device?device:"NULL"));debug(x);
if (player) delete player;
if (!write2file) {
#ifdef HAVE_NASPLAYER
if (device && strrchr(device, ':')) //device=hostname:port?
player = NASplayer::opendevice(device);
if (player) return true;
#endif /*\ HAVE_NASPLAYER \*/
player = Rawplayer::opendevice(device);
if (player) return true;
}
player = Rawtofile::opendevice(device);
if (player) return true;
return false;
}
// Wave file player
Wavefileplayer::Wavefileplayer()
{
loader=NULL;
server=NULL;
}
Wavefileplayer::~Wavefileplayer()
{
if(loader)delete loader;
if(server)delete server;
}
bool Wavefileplayer::openfile(char *filename,char *device, soundtype write2file)
{
// Player
if (!opendevice(device, write2file))
return seterrorcode(SOUND_ERROR_DEVOPENFAIL);
// Loader
{
int err;
if((loader=Soundinputstream::hopen(filename,&err))==NULL)
return seterrorcode(err);
}
// Server
if((server=new Wavetoraw(loader,player))==NULL)
return seterrorcode(SOUND_ERROR_MEMORYNOTENOUGH);
return server->initialize();
}
void Wavefileplayer::closefile(void)
{
if (loader)
loader->close();
}
void Wavefileplayer::setforcetomono(short flag)
{
server->setforcetomono(flag);
};
bool Wavefileplayer::playing(int verbose)
{
if(!server->run())return false; // Read first time
if(verbose>0)
{
fprintf(stderr,
"Verbose : %dbits, "
"%dHz, "
"%s\n",
server->getsamplesize(),
server->getfrequency(),
server->isstereo()?"Stereo":"Mono");
}
while(server->run()); // Playing
seterrorcode(server->geterrorcode());
if(geterrorcode()==SOUND_ERROR_FINISH)return true;
return false;
}
// Mpegfileplayer
Mpegfileplayer::Mpegfileplayer()
{
loader=NULL;
server=NULL;
player=NULL;
};
Mpegfileplayer::~Mpegfileplayer()
{
if(loader)delete loader;
if(server)delete server;
}
/* if device[0] == '-' output will be written to stdout.
* if write2file != 0, output will be written to file `device'
*/
bool Mpegfileplayer::openfile(char *filename,char *device, soundtype write2file)
{
// Player
if (!opendevice(device, write2file))
return seterrorcode(SOUND_ERROR_DEVOPENFAIL);
// Loader
{
int err;
if((loader=Soundinputstream::hopen(filename,&err))==NULL)
return seterrorcode(err);
}
// Server
if (server)
delete server;
if((server=new Mpegtoraw(loader,player))==NULL)
return seterrorcode(SOUND_ERROR_MEMORYNOTENOUGH);
// Initialize server
if (!server->initialize(filename)) {
debug("Bad file format: fileplayer.cc line 146\n");
return seterrorcode(SOUND_ERROR_BAD);
}
return true;
}
void
Mpegfileplayer::closefile(void)
{
if (loader)
loader->close();
}
void Mpegfileplayer::setforcetomono(short flag)
{
server->setforcetomono(flag);
};
void Mpegfileplayer::setdownfrequency(int value)
{
server->setdownfrequency(value);
};
bool Mpegfileplayer::playing(int verbose)
{
if(!server->run(-1))return false; // Initialize MPEG Layer 3
if(verbose>0)showverbose(verbose);
while(server->run(100)); // Playing
seterrorcode(server->geterrorcode());
if(seterrorcode(SOUND_ERROR_FINISH))return true;
return false;
}
#ifdef PTHREADEDMPEG
bool Mpegfileplayer::playingwiththread(int verbose,int framenumbers)
{
if(framenumbers<20)return playing(verbose);
server->makethreadedplayer(framenumbers);
if(!server->run(-1))return false; // Initialize MPEG Layer 3
if(verbose>0)showverbose(verbose);
while(server->run(100)); // Playing
server->freethreadedplayer();
seterrorcode(server->geterrorcode());
if(seterrorcode(SOUND_ERROR_FINISH))return true;
return false;
}
#endif
void Mpegfileplayer::showverbose(int verbose)
{
static char *modestring[4]={"stereo","joint stereo","dual channel","mono"};
fprintf(stderr,"Verbose: MPEG-%d Layer %d, %s,\n\t%dHz%s, %dkbit/s, ",
server->getversion()+1,
server->getlayer(),modestring[server->getmode()],
server->getfrequency(),server->getdownfrequency()?"//2":"",
server->getbitrate());
fprintf(stderr,server->getcrccheck()
? "with crc check\n"
: "without crc check\n");
if(verbose>1)
{
fprintf(stderr,
"Songname : %s\n"
"Artist : %s\n"
"Album : %s\n"
"Year : %s\n"
"Comment : %s\n",
server->getname(),
server->getartist(),
server->getalbum(),
server->getyear(),
server->getcomment());
}
}
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