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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 @@ | |||
1 | /* JOrbis | ||
2 | * Copyright (C) 2000 ymnk, JCraft,Inc. | ||
3 | * | ||
4 | * Written by: 2000 ymnk<ymnk@jcraft.com> | ||
5 | * | ||
6 | * Many thanks to | ||
7 | * Monty <monty@xiph.org> and | ||
8 | * The XIPHOPHORUS Company http://www.xiph.org/ . | ||
9 | * JOrbis has been based on their awesome works, Vorbis codec. | ||
10 | * | ||
11 | * This program is free software; you can redistribute it and/or | ||
12 | * modify it under the terms of the GNU Library General Public License | ||
13 | * as published by the Free Software Foundation; either version 2 of | ||
14 | * the License, or (at your option) any later version. | ||
15 | |||
16 | * This program is distributed in the hope that it will be useful, | ||
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
19 | * GNU Library General Public License for more details. | ||
20 | * | ||
21 | * You should have received a copy of the GNU Library General Public | ||
22 | * License along with this program; if not, write to the Free Software | ||
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
24 | */ | ||
25 | |||
26 | package com.jcraft.jorbis; | ||
27 | |||
28 | import com.jcraft.jogg.*; | ||
29 | |||
30 | // the comments are not part of vorbis_info so that vorbis_info can be | ||
31 | // static storage | ||
32 | public class Comment{ | ||
33 | private static byte[] _vorbis="vorbis".getBytes(); | ||
34 | |||
35 | private static final int OV_EFAULT=-129; | ||
36 | private static final int OV_EIMPL=-130; | ||
37 | |||
38 | // unlimited user comment fields. libvorbis writes 'libvorbis' | ||
39 | // whatever vendor is set to in encode | ||
40 | public byte[][] user_comments; | ||
41 | public int[] comment_lengths; | ||
42 | public int comments; | ||
43 | public byte[] vendor; | ||
44 | |||
45 | public void init(){ | ||
46 | user_comments=null; | ||
47 | comments=0; | ||
48 | vendor=null; | ||
49 | } | ||
50 | |||
51 | public void add(String comment){ | ||
52 | add(comment.getBytes()); | ||
53 | } | ||
54 | |||
55 | private void add(byte[] comment){ | ||
56 | byte[][] foo=new byte[comments+2][]; | ||
57 | if(user_comments!=null){ | ||
58 | System.arraycopy(user_comments, 0, foo, 0, comments); | ||
59 | } | ||
60 | user_comments=foo; | ||
61 | |||
62 | int[] goo=new int[comments+2]; | ||
63 | if(comment_lengths!=null){ | ||
64 | System.arraycopy(comment_lengths, 0, goo, 0, comments); | ||
65 | } | ||
66 | comment_lengths=goo; | ||
67 | |||
68 | byte[] bar=new byte[comment.length+1]; | ||
69 | System.arraycopy(comment, 0, bar, 0, comment.length); | ||
70 | user_comments[comments]=bar; | ||
71 | comment_lengths[comments]=comment.length; | ||
72 | comments++; | ||
73 | user_comments[comments]=null; | ||
74 | } | ||
75 | |||
76 | public void add_tag(String tag, String contents){ | ||
77 | if(contents==null) contents=""; | ||
78 | add(tag+"="+contents); | ||
79 | } | ||
80 | |||
81 | /* | ||
82 | private void add_tag(byte[] tag, byte[] contents){ | ||
83 | byte[] foo=new byte[tag.length+contents.length+1]; | ||
84 | int j=0; | ||
85 | for(int i=0; i<tag.length; i++){foo[j++]=tag[i];} | ||
86 | foo[j++]=(byte)'='; j++; | ||
87 | for(int i=0; i<contents.length; i++){foo[j++]=tag[i];} | ||
88 | add(foo); | ||
89 | } | ||
90 | */ | ||
91 | |||
92 | // This is more or less the same as strncasecmp - but that doesn't exist | ||
93 | // * everywhere, and this is a fairly trivial function, so we include it | ||
94 | static boolean tagcompare(byte[] s1, byte[] s2, int n){ | ||
95 | int c=0; | ||
96 | byte u1, u2; | ||
97 | while(c < n){ | ||
98 | u1=s1[c]; u2=s2[c]; | ||
99 | if('Z'>=u1 && u1>='A')u1=(byte)(u1-'A'+'a'); | ||
100 | if('Z'>=u2 && u2>='A')u2=(byte)(u2-'A'+'a'); | ||
101 | if(u1!=u2){ return false; } | ||
102 | c++; | ||
103 | } | ||
104 | return true; | ||
105 | } | ||
106 | |||
107 | public String query(String tag){ | ||
108 | return query(tag, 0); | ||
109 | } | ||
110 | |||
111 | public String query(String tag, int count){ | ||
112 | int foo=query(tag.getBytes(), count); | ||
113 | if(foo==-1)return null; | ||
114 | byte[] comment=user_comments[foo]; | ||
115 | for(int i=0; i<comment_lengths[foo]; i++){ | ||
116 | if(comment[i]=='='){ | ||
117 | return new String(comment, i+1, comment_lengths[foo]-(i+1)); | ||
118 | } | ||
119 | } | ||
120 | return null; | ||
121 | } | ||
122 | |||
123 | private int query(byte[] tag, int count){ | ||
124 | int i=0; | ||
125 | int found = 0; | ||
126 | int fulltaglen = tag.length + 1; | ||
127 | byte[] fulltag = new byte[fulltaglen]; | ||
128 | System.arraycopy(tag, 0, fulltag, 0, tag.length); | ||
129 | fulltag[tag.length]=(byte)'='; | ||
130 | |||
131 | for(i=0;i<comments;i++){ | ||
132 | if(tagcompare(user_comments[i], fulltag, fulltaglen)){ | ||
133 | if(count==found){ | ||
134 | // We return a pointer to the data, not a copy | ||
135 | //return user_comments[i] + taglen + 1; | ||
136 | return i; | ||
137 | } | ||
138 | else{ found++; } | ||
139 | } | ||
140 | } | ||
141 | return -1; | ||
142 | } | ||
143 | |||
144 | int unpack(Buffer opb){ | ||
145 | int vendorlen=opb.read(32); | ||
146 | if(vendorlen<0){ | ||
147 | //goto err_out; | ||
148 | clear(); | ||
149 | return(-1); | ||
150 | } | ||
151 | vendor=new byte[vendorlen+1]; | ||
152 | opb.read(vendor,vendorlen); | ||
153 | comments=opb.read(32); | ||
154 | if(comments<0){ | ||
155 | //goto err_out; | ||
156 | clear(); | ||
157 | return(-1); | ||
158 | } | ||
159 | user_comments=new byte[comments+1][]; | ||
160 | comment_lengths=new int[comments+1]; | ||
161 | |||
162 | for(int i=0;i<comments;i++){ | ||
163 | int len=opb.read(32); | ||
164 | if(len<0){ | ||
165 | //goto err_out; | ||
166 | clear(); | ||
167 | return(-1); | ||
168 | } | ||
169 | comment_lengths[i]=len; | ||
170 | user_comments[i]=new byte[len+1]; | ||
171 | opb.read(user_comments[i], len); | ||
172 | } | ||
173 | if(opb.read(1)!=1){ | ||
174 | //goto err_out; // EOP check | ||
175 | clear(); | ||
176 | return(-1); | ||
177 | |||
178 | } | ||
179 | return(0); | ||
180 | // err_out: | ||
181 | // comment_clear(vc); | ||
182 | // return(-1); | ||
183 | } | ||
184 | |||
185 | int pack(Buffer opb){ | ||
186 | byte[] temp="Xiphophorus libVorbis I 20000508".getBytes(); | ||
187 | |||
188 | // preamble | ||
189 | opb.write(0x03,8); | ||
190 | opb.write(_vorbis); | ||
191 | |||
192 | // vendor | ||
193 | opb.write(temp.length,32); | ||
194 | opb.write(temp); | ||
195 | |||
196 | // comments | ||
197 | |||
198 | opb.write(comments,32); | ||
199 | if(comments!=0){ | ||
200 | for(int i=0;i<comments;i++){ | ||
201 | if(user_comments[i]!=null){ | ||
202 | opb.write(comment_lengths[i],32); | ||
203 | opb.write(user_comments[i]); | ||
204 | } | ||
205 | else{ | ||
206 | opb.write(0,32); | ||
207 | } | ||
208 | } | ||
209 | } | ||
210 | opb.write(1,1); | ||
211 | return(0); | ||
212 | } | ||
213 | |||
214 | public int header_out(Packet op){ | ||
215 | Buffer opb=new Buffer(); | ||
216 | opb.writeinit(); | ||
217 | |||
218 | if(pack(opb)!=0) return OV_EIMPL; | ||
219 | |||
220 | op.packet_base = new byte[opb.bytes()]; | ||
221 | op.packet=0; | ||
222 | op.bytes=opb.bytes(); | ||
223 | System.arraycopy(opb.buffer(), 0, op.packet_base, 0, op.bytes); | ||
224 | op.b_o_s=0; | ||
225 | op.e_o_s=0; | ||
226 | op.granulepos=0; | ||
227 | return 0; | ||
228 | } | ||
229 | |||
230 | void clear(){ | ||
231 | for(int i=0;i<comments;i++) | ||
232 | user_comments[i]=null; | ||
233 | user_comments=null; | ||
234 | vendor=null; | ||
235 | } | ||
236 | |||
237 | public String getVendor(){ | ||
238 | return new String(vendor, 0, vendor.length-1); | ||
239 | } | ||
240 | public String getComment(int i){ | ||
241 | if(comments<=i)return null; | ||
242 | return new String(user_comments[i], 0, user_comments[i].length-1); | ||
243 | } | ||
244 | public String toString(){ | ||
245 | String foo="Vendor: "+new String(vendor, 0, vendor.length-1); | ||
246 | for(int i=0; i<comments; i++){ | ||
247 | foo=foo+"\nComment: "+new String(user_comments[i], 0, user_comments[i].length-1); | ||
248 | } | ||
249 | foo=foo+"\n"; | ||
250 | return foo; | ||
251 | } | ||
252 | } | ||