diff options
Diffstat (limited to 'songdbj/com/jcraft/jorbis/Comment.java')
-rw-r--r-- | songdbj/com/jcraft/jorbis/Comment.java | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/songdbj/com/jcraft/jorbis/Comment.java b/songdbj/com/jcraft/jorbis/Comment.java deleted file mode 100644 index f83b7cb985..0000000000 --- a/songdbj/com/jcraft/jorbis/Comment.java +++ /dev/null @@ -1,252 +0,0 @@ -/* JOrbis - * Copyright (C) 2000 ymnk, JCraft,Inc. - * - * Written by: 2000 ymnk<ymnk@jcraft.com> - * - * Many thanks to - * Monty <monty@xiph.org> and - * The XIPHOPHORUS Company http://www.xiph.org/ . - * JOrbis has been based on their awesome works, Vorbis codec. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library 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 Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -package com.jcraft.jorbis; - -import com.jcraft.jogg.*; - -// the comments are not part of vorbis_info so that vorbis_info can be -// static storage -public class Comment{ - private static byte[] _vorbis="vorbis".getBytes(); - - private static final int OV_EFAULT=-129; - private static final int OV_EIMPL=-130; - - // unlimited user comment fields. libvorbis writes 'libvorbis' - // whatever vendor is set to in encode - public byte[][] user_comments; - public int[] comment_lengths; - public int comments; - public byte[] vendor; - - public void init(){ - user_comments=null; - comments=0; - vendor=null; - } - - public void add(String comment){ - add(comment.getBytes()); - } - - private void add(byte[] comment){ - byte[][] foo=new byte[comments+2][]; - if(user_comments!=null){ - System.arraycopy(user_comments, 0, foo, 0, comments); - } - user_comments=foo; - - int[] goo=new int[comments+2]; - if(comment_lengths!=null){ - System.arraycopy(comment_lengths, 0, goo, 0, comments); - } - comment_lengths=goo; - - byte[] bar=new byte[comment.length+1]; - System.arraycopy(comment, 0, bar, 0, comment.length); - user_comments[comments]=bar; - comment_lengths[comments]=comment.length; - comments++; - user_comments[comments]=null; - } - - public void add_tag(String tag, String contents){ - if(contents==null) contents=""; - add(tag+"="+contents); - } - -/* - private void add_tag(byte[] tag, byte[] contents){ - byte[] foo=new byte[tag.length+contents.length+1]; - int j=0; - for(int i=0; i<tag.length; i++){foo[j++]=tag[i];} - foo[j++]=(byte)'='; j++; - for(int i=0; i<contents.length; i++){foo[j++]=tag[i];} - add(foo); - } -*/ - - // This is more or less the same as strncasecmp - but that doesn't exist - // * everywhere, and this is a fairly trivial function, so we include it - static boolean tagcompare(byte[] s1, byte[] s2, int n){ - int c=0; - byte u1, u2; - while(c < n){ - u1=s1[c]; u2=s2[c]; - if('Z'>=u1 && u1>='A')u1=(byte)(u1-'A'+'a'); - if('Z'>=u2 && u2>='A')u2=(byte)(u2-'A'+'a'); - if(u1!=u2){ return false; } - c++; - } - return true; - } - - public String query(String tag){ - return query(tag, 0); - } - - public String query(String tag, int count){ - int foo=query(tag.getBytes(), count); - if(foo==-1)return null; - byte[] comment=user_comments[foo]; - for(int i=0; i<comment_lengths[foo]; i++){ - if(comment[i]=='='){ - return new String(comment, i+1, comment_lengths[foo]-(i+1)); - } - } - return null; - } - - private int query(byte[] tag, int count){ - int i=0; - int found = 0; - int fulltaglen = tag.length + 1; - byte[] fulltag = new byte[fulltaglen]; - System.arraycopy(tag, 0, fulltag, 0, tag.length); - fulltag[tag.length]=(byte)'='; - - for(i=0;i<comments;i++){ - if(tagcompare(user_comments[i], fulltag, fulltaglen)){ - if(count==found){ - // We return a pointer to the data, not a copy - //return user_comments[i] + taglen + 1; - return i; - } - else{ found++; } - } - } - return -1; - } - - int unpack(Buffer opb){ - int vendorlen=opb.read(32); - if(vendorlen<0){ - //goto err_out; - clear(); - return(-1); - } - vendor=new byte[vendorlen+1]; - opb.read(vendor,vendorlen); - comments=opb.read(32); - if(comments<0){ - //goto err_out; - clear(); - return(-1); - } - user_comments=new byte[comments+1][]; - comment_lengths=new int[comments+1]; - - for(int i=0;i<comments;i++){ - int len=opb.read(32); - if(len<0){ - //goto err_out; - clear(); - return(-1); - } - comment_lengths[i]=len; - user_comments[i]=new byte[len+1]; - opb.read(user_comments[i], len); - } - if(opb.read(1)!=1){ - //goto err_out; // EOP check - clear(); - return(-1); - - } - return(0); -// err_out: -// comment_clear(vc); -// return(-1); - } - - int pack(Buffer opb){ - byte[] temp="Xiphophorus libVorbis I 20000508".getBytes(); - - // preamble - opb.write(0x03,8); - opb.write(_vorbis); - - // vendor - opb.write(temp.length,32); - opb.write(temp); - - // comments - - opb.write(comments,32); - if(comments!=0){ - for(int i=0;i<comments;i++){ - if(user_comments[i]!=null){ - opb.write(comment_lengths[i],32); - opb.write(user_comments[i]); - } - else{ - opb.write(0,32); - } - } - } - opb.write(1,1); - return(0); - } - - public int header_out(Packet op){ - Buffer opb=new Buffer(); - opb.writeinit(); - - if(pack(opb)!=0) return OV_EIMPL; - - op.packet_base = new byte[opb.bytes()]; - op.packet=0; - op.bytes=opb.bytes(); - System.arraycopy(opb.buffer(), 0, op.packet_base, 0, op.bytes); - op.b_o_s=0; - op.e_o_s=0; - op.granulepos=0; - return 0; - } - - void clear(){ - for(int i=0;i<comments;i++) - user_comments[i]=null; - user_comments=null; - vendor=null; - } - - public String getVendor(){ - return new String(vendor, 0, vendor.length-1); - } - public String getComment(int i){ - if(comments<=i)return null; - return new String(user_comments[i], 0, user_comments[i].length-1); - } - public String toString(){ - String foo="Vendor: "+new String(vendor, 0, vendor.length-1); - for(int i=0; i<comments; i++){ - foo=foo+"\nComment: "+new String(user_comments[i], 0, user_comments[i].length-1); - } - foo=foo+"\n"; - return foo; - } -} |