nathan@0: /*
nathan@0:  * MP3/MPlayer plugin to VDR (C++)
nathan@0:  *
nathan@0:  * (C) 2001-2005 Stefan Huelswitt <s.huelswitt@gmx.de>
nathan@0:  *
nathan@0:  * This code is free software; you can redistribute it and/or
nathan@0:  * modify it under the terms of the GNU General Public License
nathan@0:  * as published by the Free Software Foundation; either version 2
nathan@0:  * of the License, or (at your option) any later version.
nathan@0:  *
nathan@0:  * This code is distributed in the hope that it will be useful,
nathan@0:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
nathan@0:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
nathan@0:  * GNU General Public License for more details.
nathan@0:  *
nathan@0:  * You should have received a copy of the GNU General Public License
nathan@0:  * along with this program; if not, write to the Free Software
nathan@0:  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
nathan@0:  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
nathan@0:  */
nathan@0: 
nathan@0: #include <stdlib.h>
nathan@0: #include <stdio.h>
nathan@0: #include <errno.h>
nathan@0: #include <sys/types.h>
nathan@0: 
nathan@0: #include "common.h"
nathan@0: #include "decoder-mp3-stream.h"
nathan@0: #include "stream.h"
nathan@0: 
nathan@0: // --- cNetScanID3 -------------------------------------------------------------
nathan@0: 
nathan@0: class cNetScanID3 : public cScanID3 {
nathan@0: private:
nathan@0:   cNetStream *nstr;
nathan@0:   //
nathan@0:   void IcyInfo(void);
nathan@0: public:
nathan@0:   cNetScanID3(cNetStream *Str, bool *Urgent);
nathan@0:   virtual bool DoScan(bool KeepOpen=false);
nathan@0:   virtual void InfoHook(struct mad_header *header);
nathan@0:   };
nathan@0: 
nathan@0: cNetScanID3::cNetScanID3(cNetStream *Str, bool *Urgent)
nathan@0: :cScanID3(Str,Urgent)
nathan@0: {
nathan@0:   nstr=Str;
nathan@0: }
nathan@0: 
nathan@0: bool cNetScanID3::DoScan(bool KeepOpen)
nathan@0: {
nathan@0:   Clear();
nathan@0:   IcyInfo();
nathan@0:   if(!Title) FakeTitle(nstr->Filename);
nathan@0:   Total=0;
nathan@0:   ChMode=3;
nathan@0:   DecoderID=DEC_MP3S;
nathan@0:   InfoDone();
nathan@0:   return true;
nathan@0: }
nathan@0: 
nathan@0: void cNetScanID3::InfoHook(struct mad_header *header)
nathan@0: {
nathan@0:   if(nstr->IcyChanged()) IcyInfo();
nathan@0:   SampleFreq=header->samplerate;
nathan@0:   Channels=MAD_NCHANNELS(header);
nathan@0:   ChMode=header->mode;
nathan@0:  
nathan@0:   int br=header->bitrate;
nathan@0:   if(Bitrate<0) Bitrate=br;
nathan@0:   else if(Bitrate!=br) {
nathan@0:     if(MaxBitrate<0) {
nathan@0:       if(Bitrate<br) MaxBitrate=br;
nathan@0:       else { MaxBitrate=Bitrate; Bitrate=br; }
nathan@0:       }
nathan@0:     else {
nathan@0:       if(br>MaxBitrate) MaxBitrate=br;
nathan@0:       if(br<Bitrate)    Bitrate=br;
nathan@0:       }
nathan@0:     }
nathan@0: }
nathan@0: 
nathan@0: void cNetScanID3::IcyInfo(void)
nathan@0: {
nathan@0:   const char *t=nstr->IcyTitle();
nathan@0:   const char *a;
nathan@0:   if(t) {
nathan@0:     a=nstr->IcyName();
nathan@0:     if(!a) a=nstr->IcyUrl();
nathan@0:     }
nathan@0:   else {
nathan@0:     t=nstr->IcyName();
nathan@0:     a=nstr->IcyUrl();
nathan@0:     }
nathan@0:   if(t && (!Title || strcmp(t,Title))) {
nathan@0:     free(Title);
nathan@0:     Title=strdup(t);
nathan@0:     }
nathan@0:   if(a && (!Album || strcmp(a,Album))) {
nathan@0:     free(Album);
nathan@0:     Album=strdup(a);
nathan@0:     }
nathan@0: }
nathan@0: 
nathan@0: // --- cMP3StreamDecoder -------------------------------------------------------
nathan@0: 
nathan@0: cMP3StreamDecoder::cMP3StreamDecoder(const char *Filename)
nathan@0: :cMP3Decoder(Filename,false)
nathan@0: {
nathan@0:   nstr=new cNetStream(filename);
nathan@0:   str=nstr;
nathan@0:   nscan=new cNetScanID3(nstr,&urgentLock);
nathan@0:   scan=nscan;
nathan@0:   isStream=true;
nathan@0: }
nathan@0: 
nathan@0: bool cMP3StreamDecoder::Valid(void)
nathan@0: {
nathan@0:   bool res=false;
nathan@0:   if(TryLock()) {
nathan@0:     if(nstr->Valid()) res=true;
nathan@0:     Unlock();
nathan@0:     }
nathan@0:   return res;
nathan@0: }