123 lines
4 KiB
C
123 lines
4 KiB
C
|
/*
|
||
|
|
* 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);
|
||
|
|
}
|
||
|
|
*/
|