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/* * This program 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 program 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. */ //#include <stdio.h> #include <sys/stat.h> //#include "functions.c" struct tagInfo{ int mode; int cbr; int bitrate; unsigned int freq; char *artist; char *title; char *album; char *comment; char *genre; //int genre; //int track; }; static int RATES[2][3][15]={ {//mpeg2 {-1,8,16,24,32,64,80,56,64,128,160,112,128,256,320},//layer3 (V2) {-1,32,48,56,64,80,96,112,128,160,192,224,256,320,384},//layer2 (V2) {-1,32,64,96,128,160,192,224,256,288,320,352,384,416,448},//layer1 (V2) }, {//mpeg1 {-1,32,40,48,56,64,80,96,112,128,160,192,224,256,320},//layer3 (V1) {-1,32,48,56,64,80,96,112,128,160,192,224,256,320,384},//layer2 (V1) {-1,32,64,96,128,160,192,224,256,288,320,352,384,416,448},//layer1 (V1) }}; static int FREQS[2][4]={{22050,24000,16000,-1},{44100,48000,32000,-1}}; //static double FRATES[]={38.5,32.5,27.8,0.0}; static char GENRES[][50]={"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 Rock","Ethnic","Gothic", "Darkwave","Techno-Industrial","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", //################## END OF OFFICIAL ID3 TAGS, WINAMP TAGS BELOW ######################################## "Folk","Folk/Rock","National Folk","Swing","Fast Fusion","Bebob","Latin","Revival","Celtic","Bluegrass", "Avantgarde","Gothic Rock","Progressive Rock","Psychedelic Rock","Symphonic Rock","Slow Rock","Big Band","Chorus","Easy Listening","Acoustic", "Humour","Speech","Chanson","Opera","Chamber Music","Sonata","Symphony","Booty Bass","Primus","Porn Groove", "Satire","Slow Jam","Club","Tango","Samba","Folklore","Ballad","Poweer Ballad","Rhytmic Soul","Freestyle", "Duet","Punk Rock","Drum Solo","A Capela","Euro-House","Dance Hall", //################## FOUND AT http://en.wikipedia.org/wiki/ID3 ########################################### "Goa","Drum & Bass","Club-House","Hardcore", "Terror","Indie","BritPop","Negerpunk","Polsk Punk","Beat","Christian Gangsta Rap","Heavy Metal","Black Metal","Crossover", "Contemporary Christian","Christian Rock","Merengue","Salsa","Thrash Metal","Anime","JPop","Synthpop" }; static char MODES [][13]={"Stereo","Joint-Stereo","Dual-Channel","Mono"}; int iPow(int x, int y){return (int)(pow((double)x,(double) y));} int str2int(char *text){ //if (DEBUG==1) putlog("converting string to int"); int i; int ret=0; for (i=1;i<=strlen(text);i++){ if ((text[strlen(text)-i]>57)||(text[strlen(text)-i]<48)){ xchat_printf(ph,"invalid char in string: %i",text[strlen(text)-i]); return 255; } ret+=((int)text[strlen(text)-i]-48)*iPow(10,i-1); } //xchat_printf(ph, "str2int(%s)=%i",text,ret); //if (DEBUG==1) putlog("int converted"); return ret; } /* static int getSize(char *file){ //if (DEBUG==1) putlog("reading filesize"); struct stat info; if (stat(file,&info)!=0) return -1; return info.st_size; }*/ /* int inStr(char *s1, int sl1, char *s2){ //if (DEBUG==1) putlog("checking instr"); int i;int j; for(i=0;i<sl1-strlen(s2);i++){ for (j=0;j<strlen(s2);j++){ if (s1[i+j]!=s2[j]) j=strlen(s2)+2; } if (j==strlen(s2)) return i; } return -1; } static char *subString(char *text, int first, int length, int spcKill){ //if (DEBUG==1) putlog("creating substring"); char *ret=(char*) calloc (length+1,sizeof(char)); //malloc(sizeof(char)*(length+1)); ret[length]=0;int i; for (i=0;i<length;i++){ ret[i]=text[i+first]; //if (ret[i]==0) ret[i]='0'; } if (spcKill==1){ for (i=length-1;i>=0;i--){ if (ret[i]==32) ret[i]=0; else i=-1; } } //if (DEBUG==1) putlog("substring created"); return ret; } static char *substring(char *text, int first, int length){return subString(text,first,length,0);} //1 */ static char *tagExtract(char *tag, int tagLen, char* info){ //if (DEBUG==1) putlog("extracting tag"); int pos, len, i; pos=inStr(tag,tagLen,info); //xchat_printf(ph,"pos=%i",pos); if (pos==-1) return "";//NULL; //printf("position of %s = %i\n",info,pos); len=0; //for (i=pos;i<pos+10;i++)printf("tag[%i]=%i \n",i,tag[i]); for (i=0;i<4;i++) { len+=tag[pos+strlen(info)+i]*iPow(255,3-i); } //printf("Tag-Length: %i\n",len); if (strcmp("COMM",info)!=0) return substring(tag,pos+7+strlen(info),len-1);//11 return substring(tag,pos+7+strlen(info),len-1);//11 //char *ct=substring(tag,pos+7+strlen(info),len-1);//11 //return substring(ct,strlen(ct)+1,len-1-strlen(ct)); //<-- do not understand, what i did here :( } struct tagInfo readID3V1(char *file){ //if (DEBUG==1) putlog("reading ID3V1"); FILE *f; struct tagInfo ret; int res, i, c, val; char *tag; char *id; char *tmp; tag = (char*) malloc(sizeof(char)*129); ret.artist=NULL; f=fopen(file,"rb"); if (f==NULL){ xchat_print(ph,"file not found while trying to read id3v1"); //if (DEBUG==1) putlog("file not found while trying to read id3v1"); return ret; } //int offset=getSize(file)-128; res=fseek(f,-128,SEEK_END); if (res!=0) {printf("seek failed\n");fclose(f);return ret;} //long int pos=ftell(f); //printf("position= %li\n",pos); for (i=0;i<128;i++) { c=fgetc(f); if (c==EOF) {xchat_printf(ph,"read ID3V1 failed\n");fclose(f);return ret;} tag[i]=(char)c; } fclose(f); //printf("tag readed: \n"); id=substring(tag,0,3); //printf("header: %s\n",id); if (strcmp(id,"TAG")!=0){xchat_printf(ph,"no id3 v1 found\n");return ret;} ret.title=subString(tag,3,30,1); ret.artist=subString(tag,33,30,1); ret.album=subString(tag,63,30,1); ret.comment=subString(tag,97,30,1); tmp=substring(tag,127,1); //ret.genre=substring(tag,127,1); val=(int)tmp[0]; if (val<0)val+=256; //xchat_printf(ph, "tmp[0]=%i (%i)",val,tmp[0]); if ((val<148)&&(val>=0)) ret.genre=GENRES[val];//#############changed else { ret.genre="unknown"; //xchat_printf(ph, "tmp[0]=%i (%i)",val,tmp[0]); } //xchat_printf(ph, "tmp: \"%s\" -> %i",tmp,tmp[0]); //xchat_printf(ph,"genre \"%s\"",ret.genre); //if (DEBUG==1) putlog("id3v1 extracted"); return ret; } char *extractID3Genre(char *tag){ //if (DEBUG==1) putlog("extracting id3 genre"); if (tag[strlen(tag)-1]==')'){ tag[strlen(tag)-1]=0; tag=&tag[1]; return GENRES[str2int(tag)]; //return tag; } else{ int i; //xchat_print(ph, "Using 2 criteria"); for (i=0;i<strlen(tag);i++){ if (tag[i]==')'){ tag=&tag[i]+1;return tag;} //return tag; } } return "[152] failed"; } struct tagInfo readID3V2(char *file){ //if (DEBUG==1) putlog("reading id3v2"); FILE *f; int i, c, len; char header[10]; char *tag; struct tagInfo ret; f = fopen(file,"rb"); //xchat_printf(ph,"file :%s",file); if (f==NULL) { xchat_print(ph,"file not found whilt trying to read ID3V2"); //if (DEBUG==1)putlog("file not found while trying to read ID3V2"); return ret; } ret.artist=NULL; for (i=0;i<10;i++){ c=fgetc(f); if (c==EOF){ //putlog("found eof while reading id3v2"); return ret; } header[i]=(char)c; } if (strstr(header,"ID3")==header){ //xchat_printf(ph,"found id3v2\n"); len=0; for (i=6;i<10;i++) len+=(int)header[i]*iPow(256,9-i); //char *tag=(char*)malloc(sizeof(char)*len); tag=(char*) calloc(len,sizeof(char)); //malloc(sizeof(char)*len); for (i=0;i<len;i++){c=fgetc(f);tag[i]=(char)c;} //xchat_printf(ph,"tag length: %i\n",len); //xchat_printf(ph,"tag: %s\n",tag); fclose(f); ret.comment=tagExtract(tag,len,"COMM"); //xchat_printf(ph,"Comment: %s\n",ret.comment); ret.genre=tagExtract(tag,len,"TCON"); //if (strcmp(ret.genre,"(127)")==0) ret.genre="unknown"; //xchat_printf(ph, "ret.genre = %s",ret.genre); if ((ret.genre!=NULL)&&(ret.genre[0]=='(')) ret.genre=extractID3Genre(ret.genre); //xchat_printf(ph,"genre: %s\n",ret.genre); ret.title=tagExtract(tag,len,"TIT2"); //xchat_printf(ph,"Title: %s\n",ret.title); ret.album=tagExtract(tag,len,"TALB"); //xchat_printf(ph,"Album: %s\n",ret.album); ret.artist=tagExtract(tag,len,"TPE1"); //xchat_printf(ph,"Artist: %s\n",ret.artist); } else{fclose(f);printf("no id3v2 tag found\n"); return ret;} //printf("id2v2 done\n"); //if (DEBUG==1) putlog("id3v2 readed"); return ret; } struct tagInfo readHeader(char *file){ //if (DEBUG==1) putlog("reading header"); FILE *f; //int buffer[5120]; int versionB, layerB, bitrateB, freqB, modeB; int header[4]; int count=0; int cc=0; struct tagInfo info; info.artist=NULL; f = fopen(file,"rb"); if (f==NULL) { xchat_print(ph,"file not found while trying to read mp3 header"); //if (DEBUG==1) putlog("file not found while trying to read mp3 header"); return info; } //struct tagInfo tagv2 info=readID3V2(file); //struct tagInfo tagv1;//=readID3V1(file); //if (tagv2.artist!=NULL){info=tagv2;} //else { if (info.artist==NULL){ //printf("searching for id3v1\n"); //tagv1=readID3V1(file); info=readID3V1(file); //##################### } /* if (tagv1.artist!=NULL){ //printf("Artist: %s\nTitle: %s\nAlbum: %s\nComment: %s\nGenre: %s\n",tagv1.artist,tagv1.title,tagv1.album,tagv1.comment,tagv1.genre); info=tagv1; } */ while ((count<5120)&&(cc!=EOF)&&(cc!=255)) {cc=fgetc(f);count++;} if ((cc==EOF)||(count==5119)) printf("no header found\n"); else { //printf("located header at %i\n",count); header[0]=255; for (count=1;count<4;count++){ header[count]=fgetc(f); //printf("header[%i]=%i\n",count,header[count]); } versionB=(header[1]&8)>>3; layerB=(header[1]&6)>>1; bitrateB=(header[2]&240)>>4; //4 freqB=(header[2]&12)>>2;//2 modeB=(header[3]&192)>>6;//6 //printf("Mpeg: %i\nLayer: %i\nBitrate: %i\nFreq: %i\nMode: %i\n",versionB, layerB, bitrateB, freqB, modeB); //int Bitrate=RATES[versionB][layerB-1][bitrateB]; //int Freq=FREQS[versionB][freqB]; info.bitrate=RATES[versionB][layerB-1][bitrateB]; info.freq=FREQS[versionB][freqB]; info.mode=modeB; } fclose(f); //if (DEBUG==1) putlog("header readed"); return info; } /* static void printMp3Info(char *file){ //printf("\nScanning Mp3-File for Informations: %s\n",file); //printf("size:\t%10d byte\n",getSize(file)); struct tagInfo info =readHeader(file); printf("%s | %10d",file,getSize(file)); if (info.bitrate>0){ //printf("Bitrate: %i\nFreq: %i\nMode: %s\n",info.bitrate,info.freq,MODES[info.mode]); printf(" | %i kbps | %i kHz | %s",info.bitrate,info.freq,MODES[info.mode]); //if (info.artist!=NULL) printf("\nArtist: %s\nTitle: %s\nAlbum: %s\nComment: %s\nGenre: %s\n",info.artist,info.title,info.album,info.comment,info.genre); if (info.artist!=NULL) { printf("| %s | %s | %s | %s | %s",info.artist,info.title,info.album,info.comment,info.genre); //printf("| %s ",info.title);//,info.title,info.album,info.comment,info.genre } } printf("\n"); } */


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