diff options
Diffstat (limited to 'plugins/mpcinfo/oggInfo.c')
| -rw-r--r-- | plugins/mpcinfo/oggInfo.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/plugins/mpcinfo/oggInfo.c b/plugins/mpcinfo/oggInfo.c new file mode 100644 index 00000000..83c2beb5 --- /dev/null +++ b/plugins/mpcinfo/oggInfo.c @@ -0,0 +1,122 @@ +/* + * 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. + */ + +static int getOggInt(char *buff, int beg, int bytes){ +//if (DEBUG==1) putlog("getOggInt"); + int ret=0; + int i; + for (i=0;i<bytes;i++){ + if (buff[i+beg]>=0) ret+=buff[i+beg]*iPow(256,i);else ret+=(256+buff[i+beg])*iPow(256,i); + //printf("[%i]=%i\n",i,buff[i+beg]); + } + return ret; +} + +static char *upperStr(char *text){ +//if (DEBUG==1) putlog("converting text to uc"); + //printf("upperStr(%s)\n",text); + int i; + char *ret=(char*) malloc(sizeof(char)*(strlen(text)+1)); + ret[strlen(text)]=0; + for (i=0;i<strlen(text);i++) ret[i]=toupper(text[i]); + //printf("Result: %s\n",ret); + return ret; +} + +struct tagInfo getOggHeader(char *file){ +//if (DEBUG==1) putlog("reading ogg header"); + char header[4096]; + int i, c; + int h1pos, h3pos, maxBr, nomBr, minBr, pos, count, tagLen; + char *sub; + char *name; + char *val; + char *HEADLOC1, *HEADLOC3, *HEADLOC5; + FILE *f; + struct tagInfo info; + + info.artist=NULL; + f = fopen(file,"rb"); + if (f==NULL){ + xchat_print(ph,"file not found while trying to read ogg header"); + //if (DEBUG==1) putlog("file not found while trying to read ogg header"); + return info; + } + + for (i=0;i<4095;i++) {c=fgetc(f);header[i]=(char)c;} + fclose(f); + HEADLOC1="_vorbis"; + HEADLOC1[0]=1; + HEADLOC3="_vorbis"; + HEADLOC3[0]=3; + HEADLOC5="_vorbis"; + HEADLOC5[0]=5; + h1pos=inStr(header,4096,HEADLOC1); + h3pos=inStr(header,4096,HEADLOC3); + //int h5pos=inStr(header,4096,HEADLOC5); //not needed + + //printf("loc1: %i\n",h1pos);printf("loc3: %i\n",h3pos);printf("loc5: %i\n",h5pos); + maxBr=getOggInt(header,h1pos+7+9,4); + nomBr=getOggInt(header,h1pos+7+13,4); + minBr=getOggInt(header,h1pos+7+17,4); + info.freq=getOggInt(header,h1pos+7+5,4); + info.mode=header[h1pos+7+4]; + info.bitrate=nomBr; + if (((maxBr==nomBr)&&(nomBr=minBr))||((minBr==0)&&(maxBr==0))||((minBr=-1)&&(maxBr=-1)) )info.cbr=1;else info.cbr=0; + printf("bitrates: %i|%i|%i\n",maxBr,nomBr,minBr); + printf("freq: %i\n",info.freq); + pos=h3pos+7; + pos+=getOggInt(header,pos,4)+4; + count=getOggInt(header,pos,4); + //printf("tags: %i\n",count); + pos+=4; + + info.artist=NULL;info.title=NULL;info.album=NULL;info.comment=NULL;info.genre=NULL; + for (i=0;i<count;i++){ + tagLen=getOggInt(header,pos,4); + //printf("taglength: %i\n",tagLen); + sub=substring(header,pos+4,tagLen); + name=upperStr(substring(sub,0,inStr(sub,tagLen,"="))); + val=substring(sub,inStr(sub,tagLen,"=")+1,tagLen-inStr(sub,tagLen,"=")-1); + //printf("Tag: %s\n",sub); + //printf("Name: %s\n",name); + //printf("value: %s\n",val); + if (strcmp(name,"ARTIST")==0) info.artist=val; + if (strcmp(name,"TITLE")==0) info.title=val; + if (strcmp(name,"ALBUM")==0) info.album=val; + if (strcmp(name,"GENRE")==0) info.genre=val; + if (strcmp(name,"COMMENT")==0) info.comment=val; + pos+=4+tagLen; + } + if (info.artist==NULL) info.artist=""; + if (info.album==NULL) info.album =""; + if (info.title==NULL) info.title=""; + if (info.genre==NULL) info.genre=""; + if (info.comment==NULL) info.comment=""; + + printf("Artist: %s\nTitle: %s\nAlbum: %s\n",info.artist,info.title, info.album); + printf("Genre: %s\nComment: %s\nMode: %i\nCBR: %i\n",info.genre,info.comment,info.mode,info.cbr); + //if (DEBUG==1) putlog("ogg header readed"); + return info; +} + +/* +void printOggInfo(char *file){ + printf("Scanning Ogg-File for Informations: %s\n",file); + printf("size:\t%10d byte\n",getSize(file)); + struct tagInfo info = getOggHeader(file); +} +*/ |