diff options
Diffstat (limited to 'plugins/mpcinfo/mp3Info.c')
| -rw-r--r-- | plugins/mpcinfo/mp3Info.c | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/plugins/mpcinfo/mp3Info.c b/plugins/mpcinfo/mp3Info.c new file mode 100644 index 00000000..22916d05 --- /dev/null +++ b/plugins/mpcinfo/mp3Info.c @@ -0,0 +1,347 @@ +/* + * 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=inStr(tag,tagLen,info); +//xchat_printf(ph,"pos=%i",pos); + if (pos==-1) return "";//NULL; + //printf("position of %s = %i\n",info,pos); + int len=0; + int i; + //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=fopen(file,"rb"); + struct tagInfo ret; ret.artist=NULL; + char *tag =(char*) malloc(sizeof(char)*129); + 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; + int 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); + int i;int c; + 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"); + char *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); + char *tmp=substring(tag,127,1); + //ret.genre=substring(tag,127,1); + + int 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=fopen(file,"rb"); +//xchat_printf(ph,"file :%s",file); + struct tagInfo ret; + 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; + } + int i; + char header[10]; + int c; + 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"); + int len=0; + for (i=6;i<10;i++) len+=(int)header[i]*iPow(256,9-i); + + //char *tag=(char*)malloc(sizeof(char)*len); + char *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=fopen(file,"rb"); + //int buffer[5120]; + int header[4]; + int count=0; + int cc=0; + struct tagInfo info; info.artist=NULL; + 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]); + } + int versionB=(header[1]&8)>>3; + int layerB=(header[1]&6)>>1; + int bitrateB=(header[2]&240)>>4; //4 + int freqB=(header[2]&12)>>2;//2 + int 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"); + +} +*/ |