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1
7
8 package org.jboss.media.format.audio.oggvorbis;
9
10 import java.io.IOException  ;
11 import java.io.InputStream ;
12 import java.util.HashMap ;
13 import java.util.Map ;
14
15 import javax.emb.MediaException;
16 import javax.emb.MediaHeader;
17
18
27 public class OggVorbisHeader implements MediaHeader
28 {
29 private final static String CHANNELS_KEY = "channels";
31 private final static String RATE_KEY = "rate";
32 private final static String BITRATE_KEY = "bitRate";
33 private final static String COMMENTS_KEY = "comments";
34
35 private final Map fieldMap = new HashMap (4);
37
38
41 public OggVorbisHeader(InputStream content) throws MediaException
42 {
43 try
44 {
45 VorbisInfo info = new VorbisInfo(content);
47
48 fieldMap.put(CHANNELS_KEY, new Integer (info.getChannels()));
49 fieldMap.put(RATE_KEY, new Long (info.getRate()));
50 fieldMap.put(BITRATE_KEY, new Long (info.getBitrate()));
51 fieldMap.put(COMMENTS_KEY, info.getComments());
52 }
53 catch (IOException e)
54 {
55 throw new MediaException("Error creating VorbisInfo helper object", e);
56 }
57 }
58
59
62 public String [] getFieldNames()
63 {
64 return (String []) fieldMap.keySet().toArray(new String [0]);
65 }
66
67
70 public Object getField(String fieldName)
71 {
72 return fieldMap.get(fieldName);
73 }
74 } |
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