decoder-snd.h
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changeset 0 474a1293c3c0
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-1:000000000000 0:474a1293c3c0
       
     1 /*
       
     2  * MP3/MPlayer plugin to VDR (C++)
       
     3  *
       
     4  * (C) 2001-2005 Stefan Huelswitt <s.huelswitt@gmx.de>
       
     5  *
       
     6  * This code is free software; you can redistribute it and/or
       
     7  * modify it under the terms of the GNU General Public License
       
     8  * as published by the Free Software Foundation; either version 2
       
     9  * of the License, or (at your option) any later version.
       
    10  *
       
    11  * This code is distributed in the hope that it will be useful,
       
    12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
       
    13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
       
    14  * GNU General Public License for more details.
       
    15  *
       
    16  * You should have received a copy of the GNU General Public License
       
    17  * along with this program; if not, write to the Free Software
       
    18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
       
    19  * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
       
    20  */
       
    21 
       
    22 #ifndef ___DECODER_SND_H
       
    23 #define ___DECODER_SND_H
       
    24 
       
    25 #define DEC_SND     DEC_ID('S','N','D',' ')
       
    26 #define DEC_SND_STR "SND"
       
    27 
       
    28 #ifdef HAVE_SNDFILE
       
    29 
       
    30 #include <time.h>
       
    31 #include <mad.h>
       
    32 #include <sndfile.h>
       
    33 
       
    34 #include <vdr/thread.h>
       
    35 
       
    36 #include "decoder.h"
       
    37 #include "decoder-core.h"
       
    38 
       
    39 #define CDFS_MAGIC 0xCDDA // cdfs filesystem-ID
       
    40 
       
    41 class cDiscID;
       
    42 
       
    43 // ----------------------------------------------------------------
       
    44 
       
    45 class cSndFile : public cFileInfo {
       
    46 private:
       
    47   SNDFILE *sf;
       
    48   //
       
    49   void Error(const char *action);
       
    50 public:
       
    51   SF_INFO sfi;
       
    52   //
       
    53   cSndFile(const char *Filename);
       
    54   ~cSndFile();
       
    55   bool Open(bool log=true);
       
    56   void Close(void);
       
    57   sf_count_t Seek(sf_count_t frames=0, bool relativ=false);
       
    58   sf_count_t Stream(int *buffer, sf_count_t frames);
       
    59   };
       
    60 
       
    61 // ----------------------------------------------------------------
       
    62 
       
    63 class cSndInfo : public cSongInfo {
       
    64 private:
       
    65   cSndFile *file;
       
    66   cDiscID *id;
       
    67   bool keepOpen;
       
    68   //
       
    69   bool Abort(bool result);
       
    70   bool CDDBLookup(const char *filename);
       
    71 public:
       
    72   cSndInfo(cSndFile *File);
       
    73   ~cSndInfo();
       
    74   bool DoScan(bool KeepOpen=false);
       
    75   };
       
    76 
       
    77 // ----------------------------------------------------------------
       
    78 
       
    79 class cSndDecoder : public cDecoder, public cThread {
       
    80 private:
       
    81   cSndFile file;
       
    82   cSndInfo info;
       
    83   struct Decode ds;
       
    84   struct mad_pcm *pcm;
       
    85   unsigned long long index;
       
    86   //
       
    87   cMutex buffMutex;
       
    88   cCondVar fgCond, bgCond;
       
    89   bool run, ready;
       
    90   int *framebuff, deferedN, softCount;
       
    91   //
       
    92   void Init(void);
       
    93   bool Clean(void);
       
    94   bool GetInfo(bool keepOpen);
       
    95   struct Decode *Done(eDecodeStatus status);
       
    96 protected:
       
    97   virtual void Action(void);
       
    98 public:
       
    99   cSndDecoder(const char *Filename);
       
   100   ~cSndDecoder();
       
   101   virtual bool Valid(void);
       
   102   virtual cFileInfo *FileInfo(void);
       
   103   virtual cSongInfo *SongInfo(bool get);
       
   104   virtual cPlayInfo *PlayInfo(void);
       
   105   virtual bool Start(void);
       
   106   virtual bool Stop(void);
       
   107   virtual bool Skip(int Seconds, float bsecs);
       
   108   virtual struct Decode *Decode(void);
       
   109   };
       
   110 
       
   111 // ----------------------------------------------------------------
       
   112 
       
   113 #endif //HAVE_SNDFILE
       
   114 #endif //___DECODER_SND_H