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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.
*/
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){
hexchat_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);
}
*/
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