struct.h

获取任何文件中的图片信息,质量越高得到的图片越多。

#define LAYER1 0
#define LAYER2 1
#define LAYER3 2

#define MPEG1  0
#define MPEG2  1

#define    MPG_MD_LR_LR 0
#define    MPG_MD_LR_I  1
#define    MPG_MD_MS_LR 2
#define    MPG_MD_MS_I  3
  

#define LAY_NO 3
#define VERSER_NO 2

#define COUNT_FRAME_SIZE(bitrate,sampling_freq,padding) ((144000ul*(bitrate))/(sampling_freq) + (padding) )       


unsigned short BITRATE[VERSER_NO][LAY_NO][14] = {{{32, 64, 96 ,128 ,160 ,192 ,224, 256,288 ,320 ,352 ,384, 416 ,448},    
            {32, 48, 56 , 64 , 80 , 96 ,112, 128,160 ,192 ,224 ,256, 320 ,384},    
            {32, 40, 48 , 56 , 64 , 80 , 96, 112,128 ,160 ,192 ,224, 256 ,320}},   
           {{32, 64 ,96 ,128,160 ,192, 224,256,288 ,320, 352,384,416, 448 } ,    
            {32, 48 ,56 ,64 ,80  ,96 , 112,128,160 ,192, 224,256,320, 384 },   
{8 ,16  ,24 ,32 ,64  ,80 , 56 ,64 ,128 ,160, 112,128,256, 320  }}}  ;


unsigned short SAMPLING_FREQ[VERSER_NO][3] ={{44100 ,48000 ,32000}
                                             ,{22050 ,24000 ,16000}};   
										
char * mode[4]={"stereo","joint stereo","dual channel","single channel"};
unsigned short _mode_extension[4]={0,1,2,3}; 
unsigned short _mode_ext[LAY_NO][4] = {{4 , 8 , 12 , 16},
										{4 , 8 , 12 , 16},
										{0 , 4 ,  8 , 16}};
char * emphasis[4]={"none","50/15 microsecs","reserved","CCITT J 17"};  
unsigned long count_frame_size_times[VERSER_NO][LAY_NO]={{48000,144000,144000},{24000,72000,72000}};

                                 
 char * genre[81] = {"Blues",  
  "Classic Rock"              ,  
  "Country"                   ,  
  "Dance"                     ,  
  "Disco"                     ,  
  "Funk"                      ,  
  "Grunge"                    ,  
  "Hip-Hop"                   ,  
  "Jazz"                      ,  
  "Metal"                     ,  
  "New Age"                   ,  
  "Oldies"                    ,  
  "Other"                     ,  
  "Pop"                       ,  
  "R&B"                       ,  
  "Rap"                       ,  
  "Reggae"                    ,  
  "Rock"                      ,  
  "Techno"                    ,  
  "Industrial"                ,  
  "Alternative"               ,  
  "Ska"                       ,  
  "Death Metal"               ,  
  "Pranks"                    ,  
  "Soundtrack"                ,  
  "Euro-Techno"               ,  
  "Ambient"                   ,  
  "Trip-Hop"                  ,  
  "Vocal"                     ,  
  "Jazz+Funk"                 ,  
  "Fusion"                    ,  
  "Trance"                    ,  
  "Classical"                 ,  
  "Instrumental"              ,  
  "Acid"                      ,  
  "House"                     ,  
  "Game"                      ,  
  "Sound Clip"                ,  
  "Gospel"                    ,  
  "Noise"                     ,  
  "AlternRock"                ,  
  "Bass"                      ,  
  "Soul"                      ,  
  "Punk"                      ,  
  "Space"                     ,  
  "Meditative"                ,  
  "Instrumental Pop"          ,  
  "Instrumental Roc"          ,  
  "Ethnic"                    ,  
  "Gothic"                    ,  
  "Darkwave"                  ,  
  "Techno-Industria"          ,  
  "Electronic"                ,  
  "Pop-Folk"                  ,  
  "Eurodance"                 ,  
  "Dream"                     ,  
  "Southern Rock"             ,  
  "Comedy"                    ,  
  "Cult"                      ,  
  "Gangsta"                   ,  
  "Top 40"                    ,  
  "Christian Rap"             ,  
  "Pop/Funk"                  ,  
  "Jungle"                    ,  
  "Native American"           ,  
  "Cabaret"                   ,  
  "New Wave"                  ,  
  "Psychadelic"               ,  
  "Rave"                      ,  
  "Showtunes"                 ,  
  "Trailer"                   ,  
  "Lo-Fi"                     ,  
  "Tribal"                    ,  
  "Acid Punk"                 ,  
  "Acid Jazz"                 ,  
  "Polka"                     ,  
  "Retro"                     ,  
  "Musical"                   ,  
  "Rock & Roll"               ,  
  "Hard Rock"                 ,  
  "Unknown"                   }  ;