/*

  * MP3/MPlayer plugin to VDR (C++)

  *

  * (C) 2001-2005 Stefan Huelswitt <s.huelswitt@gmx.de>

  *

  * This code 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 code 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.

  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html

  */

 #ifdef TEST_MAIN

 #define HAVE_SNDFILE

 #define REMOTE_LIRC

 #define _GNU_SOURCE

 #define DEBUG

 #endif

 #ifdef HAVE_SNDFILE

 #include <ctype.h>

 #include <stdlib.h>

 #include <stdio.h>

 #include <stdarg.h>

 #include <errno.h>

 #include <sys/types.h>

 #include <unistd.h>

 #include <math.h>

 #include "common.h"

 #include "setup-mp3.h"

 #include "decoder-snd.h"

 #include "data.h"

 #include "network.h"

 #include "menu-async.h"

 #include "i18n.h"

 #include "version.h"

 #ifndef SNDFILE_1

 #error You must use libsndfile version 1.x.x

 #endif

 #define CDFS_TRACK_OFF 150

 #define CDFS_PROC      "/proc/cdfs"

 #define CDFS_MARK_ID   "CD (discid=%x) contains %d tracks:"

 #define CDFS_MARK_TR   "%*[^[][ %d - %d"

 #define CDFS_TRACK     "track-"

 #define CDDB_PROTO 5                   // used protocol level

 #define CDDB_TOUT  30*1000             // connection timeout (ms)

 const char *cddbpath="/var/lib/cddb";  // default local cddb path

 #define CDDB_DEBUG  // debug cddb queries

 //#define DEBUG_CDFS  // debug cdfs parsing

 //#define GUARD_DEBUG // enable framebuffer guard

 #if !defined(NO_DEBUG) && defined(DEBUG_CDFS)

 #define dc(x) { (x); }

 #else

 #define dc(x) ; 

 #endif

 #ifndef TEST_MAIN

 // --- cSndDecoder -------------------------------------------------------------

 #define SF_SAMPLES (sizeof(pcm->samples[0])/sizeof(mad_fixed_t))

 cSndDecoder::cSndDecoder(const char *Filename)

 :cDecoder(Filename)

 ,file(Filename)

 ,info(&file)

 {

   pcm=0; framebuff=0; playing=ready=false;

 }

 cSndDecoder::~cSndDecoder()

 {

   Clean();

 }

 bool cSndDecoder::Valid(void)

 {

   bool res=false;

   if(TryLock()) {

     if(file.Open(false)) res=true;

     cDecoder::Unlock();

     }

   return res;

 }

 cFileInfo *cSndDecoder::FileInfo(void)

 {

   cFileInfo *fi=0;

   if(file.HasInfo()) fi=&file;

   else if(TryLock()){

     if(file.Open()) { fi=&file; file.Close(); }

     cDecoder::Unlock();

     }

   return fi;

 }

 cSongInfo *cSndDecoder::SongInfo(bool get)

 {

   cSongInfo *si=0;

   if(info.HasInfo()) si=&info;

   else if(get && TryLock()) {

     if(info.DoScan(false)) si=&info;

     cDecoder::Unlock();

     }

   return si;

 }

 cPlayInfo *cSndDecoder::PlayInfo(void)

 {

   if(playing) {

     pi.Index=index/info.SampleFreq;

     pi.Total=info.Total;

     return π

     }

   return 0;

 }

 void cSndDecoder::Init(void)

 {

   Clean();

   pcm=new struct mad_pcm;

   framebuff=MALLOC(int,2*SF_SAMPLES+8);

 #ifdef GUARD_DEBUG

   for(int i=0; i<8; i++) framebuff[i+(SF_SAMPLES*2)-4]=0xdeadbeaf;

 #endif

   index=0;

 }

 bool cSndDecoder::Clean(void)

 {

   playing=false;

   buffMutex.Lock();

   run=false; bgCond.Broadcast();

   buffMutex.Unlock();

   cThread::Cancel(3);

   buffMutex.Lock();

   if(!ready) { deferedN=-1; ready=true; }

   fgCond.Broadcast();

   buffMutex.Unlock();

   delete pcm; pcm=0;

 #ifdef GUARD_DEBUG

   if(framebuff) {

     printf("snd: bufferguard");

     for(int i=0; i<8; i++) printf(" %08x",framebuff[i+(SF_SAMPLES*2)-4]);

     printf("\n");

     }

 #endif

   free(framebuff); framebuff=0;

   file.Close();

   return false;

 }

 bool cSndDecoder::Start(void)

 {

   cDecoder::Lock(true);

   Init(); playing=true;

   if(file.Open() && info.DoScan(true)) {

     d(printf("snd: open rate=%d frames=%lld channels=%d format=0x%x seek=%d\n",

              file.sfi.samplerate,file.sfi.frames,file.sfi.channels,file.sfi.format,file.sfi.seekable))

     if(file.sfi.channels<=2) {

       ready=false; run=true; softCount=0;

       cThread::Start();

       cDecoder::Unlock();

       return true;

       }

     else esyslog("ERROR: cannot play sound file %s: more than 2 channels",filename);

     }

   cDecoder::Unlock();

   return Clean();

 }

 bool cSndDecoder::Stop(void)

 {

   cDecoder::Lock();

   if(playing) Clean();

   cDecoder::Unlock();

   return true;

 }

 void cSndDecoder::Action(void)

 {

   buffMutex.Lock();

   while(run) {

     if(ready) bgCond.Wait(buffMutex);

     if(!ready) {

       buffMutex.Unlock();

       deferedN=file.Stream(framebuff,SF_SAMPLES);

       buffMutex.Lock();

       ready=true; fgCond.Broadcast();

       }

     }

   buffMutex.Unlock();

 }

 struct Decode *cSndDecoder::Done(eDecodeStatus status)

 {

   ds.status=status;

   ds.index=index*1000/info.SampleFreq;

   ds.pcm=pcm;

   cDecoder::Unlock(); // release the lock from Decode()

   return &ds;

 }

 struct Decode *cSndDecoder::Decode(void)

 {

   cDecoder::Lock(); // this is released in Done()

   if(playing) {

     cMutexLock lock(&buffMutex);

     while(!ready)

       if(!softCount || !fgCond.TimedWait(buffMutex,softCount*5)) {

         if(softCount<20) softCount++;

         return Done(dsSoftError);

         }

     softCount=0;

     ready=false; bgCond.Broadcast();

     int n=deferedN;

     if(n<0) return Done(dsError);

     if(n==0) return Done(dsEof);

     pcm->samplerate=file.sfi.samplerate;

     pcm->channels=file.sfi.channels;

     pcm->length=n;

     index+=n;

     int *data=framebuff;

     mad_fixed_t *sam0=pcm->samples[0], *sam1=pcm->samples[1]; 

     const int s=(sizeof(int)*8)-1-MAD_F_FRACBITS; // shift value for mad_fixed conversion

     if(pcm->channels>1) {

       for(; n>0 ; n--) {

         *sam0++=(*data++) >> s;

         *sam1++=(*data++) >> s;

         }

       }

     else {

       for(; n>0 ; n--)

         *sam0++=(*data++) >> s;

       }

     return Done(dsPlay);

     }

   return Done(dsError);

 }

 bool cSndDecoder::Skip(int Seconds, float bsecs)

 {

   cDecoder::Lock();

   bool res=false;

   if(playing && file.sfi.seekable) {

     float fsecs=(float)Seconds-bsecs;

     sf_count_t frames=(sf_count_t)(fsecs*(float)file.sfi.samplerate);

     sf_count_t newpos=file.Seek(0,true)+frames;

     if(newpos>file.sfi.frames) newpos=file.sfi.frames-1;

     if(newpos<0) newpos=0;

     d(printf("snd: skip: secs=%d fsecs=%f frames=%lld current=%lld new=%lld\n",Seconds,fsecs,frames,file.Seek(0,true),newpos))

     buffMutex.Lock();

     frames=file.Seek(newpos,false);

     ready=false; bgCond.Broadcast();

     buffMutex.Unlock();

     if(frames>=0) {

       index=frames;

 #ifdef DEBUG

       int i=frames/file.sfi.samplerate;

       printf("snd: skipping to %02d:%02d (frame %lld)\n",i/60,i%60,frames);

 #endif

       res=true;

       }

     }

   cDecoder::Unlock();

   return res;

 }

 #endif //TEST_MAIN

 // --- cDiscID -------------------------------------------------------------------

 class cDiscID {

 public:

   int discid, ntrks, nsecs;

   int *offsets;

   //

   cDiscID(void);

   ~cDiscID();

   bool Get(void);

   };

 cDiscID::cDiscID(void)

 {

   offsets=0; discid=ntrks=0;

 }

 cDiscID::~cDiscID()

 {

   delete offsets;

 }

 bool cDiscID::Get(void)

 {

   bool res=false;

   FILE *f=fopen(CDFS_PROC,"r");

   if(f) {

     char line[256];

     bool state=false;

     int tr=0;

     while(fgets(line,sizeof(line),f)) {

       if(!state) {

         int id, n;

         if(sscanf(line,CDFS_MARK_ID,&id,&n)==2) {

           d(printf("discid: found id=%08x n=%d\n",id,n))

           if(discid==id && ntrks==n) {

             res=true;

             break;

             }

           else {

             discid=id; ntrks=n;

             delete offsets; offsets=new int[ntrks];

             state=true;

             }

           }

         }

       else {

         int off, end;

         if(sscanf(line,CDFS_MARK_TR,&off,&end)==2) {

           dc(printf("discid: found offset=%d end=%d for track %d\n",off,end,tr+1))

           offsets[tr]=off+CDFS_TRACK_OFF;

           if(++tr==ntrks) {

             nsecs=(end+1)/75;

             dc(printf("discid: nsecs=%d / 0x%x\n",nsecs,nsecs))

             res=true;

             break;

             }

           }

         }

       }

     fclose(f);

     }

   return res;

 }

 // --- cCDDBSong ---------------------------------------------------------------

 // The CDDB code is loosely based on the implementation in mp3c 0.27 which is

 // (C) 1999-2001 WSPse, Matthias Hensler, <matthias@wspse.de>

 class cCDDBSong : public cListObject {

 public:

   cCDDBSong(void);

   ~cCDDBSong();

   //

   int Track;

   char *TTitle, *ExtT;

   char *Title, *Artist;

   };

 cCDDBSong::cCDDBSong(void)

 {

   Title=Artist=0; TTitle=ExtT=0;

 }

 cCDDBSong::~cCDDBSong()

 {

   free(Title);

   free(Artist);

   free(TTitle);

   free(ExtT);

 }

 // --- cCDDBDisc ---------------------------------------------------------------

 const char *sampler[] = { // some artist names to identify sampler discs

   "various",

   "varios",

   "variété",

   "compilation",

   "sampler",

   "mixed",

   "divers",

   "v.a.",

   "VA",

   "misc",

   "none",

   0 };

 class cCDDBDisc : public cList<cCDDBSong> {

 private:

   int DiscID;

   //

   bool isSampler;

   char *DTitle, *ExtD;

   //

   cCDDBSong *GetTrack(const char *name, unsigned int pos);

   cCDDBSong *FindTrack(int tr);

   void Strcat(char * &store, char *value);

   bool Split(const char *source, char div, char * &first, char * &second, bool only3=false);

   void Put(const char *from, char * &to);

   void Clean(void);

 public:

   cCDDBDisc(void);

   ~cCDDBDisc();

   bool Load(cDiscID *id, const char *filename);

   bool Cached(cDiscID *id) { return DiscID==id->discid; }

   bool TrackInfo(int tr, cSongInfo *si);

   //

   char *Album, *Artist;

   int Year;

   };

 cCDDBDisc::cCDDBDisc(void)

 {

   Album=Artist=0; DTitle=ExtD=0; DiscID=0;

 }

 cCDDBDisc::~cCDDBDisc()

 {

   Clean();

 }

 void cCDDBDisc::Clean(void)

 {

   free(DTitle); DTitle=0;

   free(ExtD); ExtD=0;

   free(Artist); Artist=0;

   free(Album); Album=0;

   Year=-1; DiscID=0; isSampler=false;

 }

 bool cCDDBDisc::TrackInfo(int tr, cSongInfo *si)

 {

   cCDDBSong *s=FindTrack(tr);

   if(s) {

     Put(s->Title,si->Title);

     if(s->Artist) Put(s->Artist,si->Artist); else Put(Artist,si->Artist);

     Put(Album,si->Album);

     if(Year>0) si->Year=Year;

     return true;

     }

   return false;

 }

 void cCDDBDisc::Put(const char *from, char * &to)

 {

   free(to);

   to=from ? strdup(from):0;

 }

 bool cCDDBDisc::Load(cDiscID *id, const char *filename)

 {

   char *p;

   Clean(); Clear();

   d(printf("cddb: loading discid %08x from %s\n",id->discid,filename))

   DiscID=id->discid;

   FILE *f=fopen(filename,"r");

   if(f) {

     char buff[1024];

     while(fgets(buff,sizeof(buff),f)) {

       int i=strlen(buff);

       while(i && (buff[i-1]=='\n' || buff[i-1]=='\r')) buff[--i]=0;

       if(buff[0]=='#') { // special comment line handling

         }

       else {

         p=strchr(buff,'=');

         if(p) {

            *p=0;

            char *name =compactspace(buff);

            char *value=compactspace(p+1);

            if(*name && *value) {

              if(!strcasecmp(name,"DTITLE")) Strcat(DTitle,value);

              else if(!strcasecmp(name,"EXTD")) Strcat(ExtD,value);

              else if(!strcasecmp(name,"DYEAR")) Year=atoi(value);

              else if(!strncasecmp(name,"TTITLE",6)) {

                cCDDBSong *s=GetTrack(name,6);

                if(s) Strcat(s->TTitle,value);

                }

              else if(!strncasecmp(name,"EXTT",4)) {

                cCDDBSong *s=GetTrack(name,4);

                if(s) Strcat(s->ExtT,value);

                }

              }

            }

         }

       }

     fclose(f);

     // read all data, now post-processing

     if(Count()>0) {

       if(DTitle) {

         if(Split(DTitle,'/',Artist,Album)) {

           for(int n=0 ; sampler[n] ; n++)

             if(!strncasecmp(Artist,sampler[n],strlen(sampler[n]))) {

               isSampler=true;

               break;

               }

           }

         else {

           Album=strdup(DTitle);

           isSampler=true;

           }

         }

       d(printf("cddb: found artist='%s' album='%s' isSampler=%d\n",Artist,Album,isSampler))

       free(DTitle); DTitle=0;

       if(!isSampler && Artist && Album && !strncmp(Album,Artist,strlen(Artist))) {

         d(printf("cddb: detecting sampler from Artist==Album\n"))

         isSampler=true;

         }

       if(!isSampler) {

         int nofail1=0, nofail2=0;

         cCDDBSong *s=First();

         while(s) {

           if(s->TTitle) {

             if(strstr(s->TTitle," / ")) nofail1++;

             //if(strstr(s->TTitle," - ")) nofail2++;

             }

           s=Next(s);

           }

         if(nofail1==Count() || nofail2==Count()) {

           d(printf("cddb: detecting sampler from nofail\n"))

           isSampler=true;

           }

         }

       if(Year<0 && ExtD && (p=strstr(ExtD,"YEAR:"))) Year=atoi(p+5);

       free(ExtD); ExtD=0;

       d(printf("cddb: found year=%d\n",Year))

       cCDDBSong *s=First();

       while(s) {

         if(s->TTitle) {

           if(isSampler) {

             if(!Split(s->TTitle,'/',s->Artist,s->Title) && 

                !Split(s->TTitle,'-',s->Artist,s->Title,true)) {

               s->Title=compactspace(strdup(s->TTitle));

               if(s->ExtT) s->Artist=compactspace(strdup(s->ExtT));

               }

             }

           else {

             s->Title=compactspace(strdup(s->TTitle));

             if(Artist) s->Artist=strdup(Artist);

             }

           }

         else s->Title=strdup(tr("unknown"));

         free(s->TTitle); s->TTitle=0;

         free(s->ExtT); s->ExtT=0;

         d(printf("cddb: found track %d title='%s' artist='%s'\n",s->Track,s->Title,s->Artist))

         s=Next(s);

         }

       return true;

       }

     }

   return false;

 }

 bool cCDDBDisc::Split(const char *source, char div, char * &first, char * &second, bool only3)

 {

   int pos=-1, n=0;

   char *p, l[4]={ ' ',div,' ',0 };

   if ((p=strstr(source,l))) { pos=p-source; n=3; }

   else if(!only3 && (p=strchr(source,div)))  { pos=p-source; n=1; }

   if(pos>=0) {

     free(first); first=strdup(source); first[pos]=0; compactspace(first);

     free(second); second=strdup(source+pos+n); compactspace(second);

     return true;

     }

   return false;

 }

 void cCDDBDisc::Strcat(char * &store, char *value)

 {

   if(store) {

     char *n=MALLOC(char,strlen(store)+strlen(value)+1);

     if(n) {

       strcpy(n,store);

       strcat(n,value);

       free(store); store=n;

       }

     }

   else store=strdup(value);

 }

 cCDDBSong *cCDDBDisc::GetTrack(const char *name, unsigned int pos)

 {

   cCDDBSong *s=0;

   if(strlen(name)>pos) {

     int tr=atoi(&name[pos]);

     s=FindTrack(tr);

     if(!s) {

       s=new cCDDBSong;

       Add(s);

       s->Track=tr;

       }

     }

   return s;

 }

 cCDDBSong *cCDDBDisc::FindTrack(int tr)

 {

   cCDDBSong *s=First();

   while(s) {

     if(s->Track==tr) break;

     s=Next(s);

     }

   return s;

 }

 #ifndef TEST_MAIN

 // --- cCDDB -------------------------------------------------------------------

 class cCDDB : public cScanDir, cMutex {

 private:

   cCDDBDisc cache;

   cFileSource *src;

   cFileObj *file;

   cNet *net;

   char searchID[10], cddbstr[256];

   //

   virtual void DoItem(cFileSource *src, const char *subdir, const char *name);

   bool LocalQuery(cDiscID *id);

   bool RemoteGet(cDiscID *id);

   bool GetLine(char *buff, int size, bool log=true);

   int GetCddbResponse(void);

   int DoCddbCmd(const char *format, ...);

 public:

   cCDDB(void);

   virtual ~cCDDB();

   bool Lookup(cDiscID *id, int track, cSongInfo *si);

   };

 cCDDB cddb;

 cCDDB::cCDDB(void)

 {

   src=0; file=0; net=0;

 }

 cCDDB::~cCDDB()

 {

   delete file;

   delete src;

   delete net;

 }

 bool cCDDB::Lookup(cDiscID *id, int track, cSongInfo *si)

 {

   bool res=false;

   Lock();

   if(!cache.Cached(id)) {

     if(LocalQuery(id) || (MP3Setup.UseCddb>1 && RemoteGet(id) && LocalQuery(id)))

       cache.Load(id,file->FullPath());

     }

   if(cache.Cached(id) && cache.TrackInfo(track,si)) res=true;

   Unlock();

   return res;

 }

 bool cCDDB::LocalQuery(cDiscID *id)

 {

   bool res=false;

   delete file; file=0;

   if(!src) src=new cFileSource(cddbpath,"CDDB database",false);

   if(src) {

     snprintf(searchID,sizeof(searchID),"%08x",id->discid);

     if(ScanDir(src,0,stDir,0,0,false) && file) res=true;

     }

   return res;

 }

 void cCDDB::DoItem(cFileSource *src, const char *subdir, const char *name)

 {

   if(!file) {

     file=new cFileObj(src,name,searchID,otFile);

     if(access(file->FullPath(),R_OK)) { delete file; file=0; }

     }

 }

 bool cCDDB::RemoteGet(cDiscID *id)

 {

   bool res=false;

   asyncStatus.Set(tr("Remote CDDB lookup..."));

   delete net; net=new cNet(16*1024,CDDB_TOUT,CDDB_TOUT);

   if(net->Connect(MP3Setup.CddbHost,MP3Setup.CddbPort)) {

     int code=GetCddbResponse();

     if(code/100==2) {

       const char *host=getenv("HOSTNAME"); if(!host) host="unknown";

       const char *user=getenv("USER"); if(!user) user="nobody";

       code=DoCddbCmd("cddb hello %s %s %s %s\n",user,host,PLUGIN_NAME,PLUGIN_VERSION);

       if(code/100==2) {

         code=DoCddbCmd("proto %d\n",CDDB_PROTO);

         if(code>0) {

           char off[1024];

           off[0]=0; for(int i=0 ; i<id->ntrks ; i++) sprintf(&off[strlen(off)]," %d",id->offsets[i]);

           code=DoCddbCmd("cddb query %08x %d %s %d\n",id->discid,id->ntrks,off,id->nsecs);

           if(code/100==2) {

             char *cat=0;

             if(code==200) cat=strdup(cddbstr);

             else if(code==210) {

               if(GetLine(off,sizeof(off))) {

                 cat=strdup(off);

                 while(GetLine(off,sizeof(off)) && off[0]!='.');

                 }

               }

             if(cat) {

               char *s=index(cat,' '); if(s) *s=0;

               code=DoCddbCmd("cddb read %s %08x\n",cat,id->discid);

               if(code==210) {

                 char *name=0;

                 asprintf(&name,"%s/%s/%08x",cddbpath,cat,id->discid);

                 if(MakeDirs(name,false)) {

                   FILE *out=fopen(name,"w");

                   if(out) {

                     while(GetLine(off,sizeof(off),false) && off[0]!='.') fputs(off,out);

                     fclose(out);

                     res=true;

                     }

                   else esyslog("fopen() failed: %s",strerror(errno));

                   }

                 free(name);

                 }

               else if(code>0) esyslog("server read error: %d %s",code,cddbstr);

               free(cat);

               }

             }

           else if(code>0) esyslog("server query error: %d %s",code,cddbstr);

           }

         else esyslog("server proto error: %d %s",code,cddbstr);

         }

       else if(code>0) esyslog("server hello error: %d %s",code,cddbstr);

       }

     else if(code>0) esyslog("server sign-on error: %d %s",code,cddbstr);

     }

   delete net; net=0;

   asyncStatus.Set(0);

   return res;

 }

 bool cCDDB::GetLine(char *buff, int size, bool log)

 {

   if(net->Gets(buff,size)>0) {

 #ifdef CDDB_DEBUG

     if(log) printf("cddb: <- %s",buff);

 #endif

     return true;

     }

   return false;

 }

 int cCDDB::GetCddbResponse(void)

 {

   char buf[1024];

   if(GetLine(buf,sizeof(buf))) {

     int code;

     if(sscanf(buf,"%d %255[^\n]",&code,cddbstr)==2) return code;

     else esyslog("Unexpected server response: %s",buf);

     }

   return -1;

 }

 int cCDDB::DoCddbCmd(const char *format, ...)

 {

   va_list ap;

   va_start(ap,format);

   char *buff=0;

   vasprintf(&buff,format,ap);

   va_end(ap);

 #ifdef CDDB_DEBUG

   printf("cddb: -> %s",buff);

 #endif

   int r=net->Puts(buff);

   free(buff);

   if(r<0) return -1;

   return GetCddbResponse();

 }

 // --- cSndInfo ----------------------------------------------------------------

 cSndInfo::cSndInfo(cSndFile *File)

 {

   file=File;

   id=new cDiscID;

 }

 cSndInfo::~cSndInfo()

 {

   delete id;

 }

 bool cSndInfo::Abort(bool result)

 {

   if(!keepOpen) file->Close();

   return result;

 }

 bool cSndInfo::DoScan(bool KeepOpen)

 {

   keepOpen=KeepOpen;

   if(!file->Open()) return Abort(false);

   if(HasInfo()) return Abort(true);

   // check the infocache

   cCacheData *dat=InfoCache.Search(file);

   if(dat) {

     Set(dat); dat->Unlock();

     if(!DecoderID) {

       DecoderID=DEC_SND;

       InfoCache.Cache(this,file);

       }

     return Abort(true);

     }

   Clear();

   if(file->FsType!=CDFS_MAGIC || !MP3Setup.UseCddb || !CDDBLookup(file->Filename))

     FakeTitle(file->Filename);

   Frames=file->sfi.frames;

   SampleFreq=file->sfi.samplerate;

   Channels=file->sfi.channels;

   ChMode=Channels>1 ? 3:0;

   Total=Frames/SampleFreq;

   Bitrate=file->Filesize*8/Total; //XXX SampleFreq*Channels*file->sfi.pcmbitwidth;

   DecoderID=DEC_SND;

   InfoDone();

   InfoCache.Cache(this,file);

   return Abort(true);  

 }

 bool cSndInfo::CDDBLookup(const char *filename)

 {

   if(id->Get()) {

     int tr;

     char *s=strstr(filename,CDFS_TRACK);

     if(s && sscanf(s+strlen(CDFS_TRACK),"%d",&tr)==1) {

       d(printf("snd: looking up disc id %08x track %d\n",id->discid,tr))

       return cddb.Lookup(id,tr-1,this);

       }

     }

   return false;

 }

 // --- cSndFile ----------------------------------------------------------------

 cSndFile::cSndFile(const char *Filename)

 :cFileInfo(Filename)

 {

   sf=0;

 }

 cSndFile::~cSndFile()

 {

   Close();

 }

 bool cSndFile::Open(bool log)

 {

   if(sf) return (Seek()>=0);

   if(FileInfo(log)) {

     sf=sf_open(Filename,SFM_READ,&sfi);

     if(!sf && log) Error("open");

     }

   return (sf!=0);

 }

 void cSndFile::Close(void)

 {

   if(sf) { sf_close(sf); sf=0; } 

 }

 void cSndFile::Error(const char *action)

 {

   char buff[128];

   sf_error_str(sf,buff,sizeof(buff));

   esyslog("ERROR: sndfile %s failed on %s: %s",action,Filename,buff);

 }

 sf_count_t cSndFile::Seek(sf_count_t frames, bool relativ)

 {

   int dir=SEEK_CUR;

   if(!relativ) dir=SEEK_SET;

   int n=sf_seek(sf,frames,dir);

   if(n<0) Error("seek");

   return n;

 }

 sf_count_t cSndFile::Stream(int *buffer, sf_count_t frames)

 {

   sf_count_t n=sf_readf_int(sf,buffer,frames);

   if(n<0) Error("read");

   return n;

 }

 #endif //TEST_MAIN

 #endif //HAVE_SNDFILE

 #ifdef TEST_MAIN

 //

 // to compile:

 // g++ -g -DTEST_MAIN -o test mp3-decoder-snd.c tools.o thread.o -lpthread

 //

 // calling:

 // test <cddb-file>

 //

 extern const char *tr(const char *test)

 {

   return test;

 }

 int main (int argc, char *argv[])

 {

   cCDDBDisc cddb;

   cddb.Load(1,argv[1]);

   return 0;

 }

 #endif