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author | Björn Stenberg <bjorn@haxx.se> | 2007-01-08 23:53:00 +0000 |
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committer | Björn Stenberg <bjorn@haxx.se> | 2007-01-08 23:53:00 +0000 |
commit | 7039a05147b8bbfc829babea1c65bd436450b505 (patch) | |
tree | 4ba555eb84ed97b72b0575034d5b0530a393713e /songdbj/de/jarnbjo/ogg/FileStream.java | |
parent | 6d4c19707ef95942e323cbdc89fbbfdbe45e7cc5 (diff) | |
download | rockbox-7039a05147b8bbfc829babea1c65bd436450b505.tar.gz rockbox-7039a05147b8bbfc829babea1c65bd436450b505.zip |
Splitting out songdbj
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11953 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'songdbj/de/jarnbjo/ogg/FileStream.java')
-rw-r--r-- | songdbj/de/jarnbjo/ogg/FileStream.java | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/songdbj/de/jarnbjo/ogg/FileStream.java b/songdbj/de/jarnbjo/ogg/FileStream.java deleted file mode 100644 index 5a526300bf..0000000000 --- a/songdbj/de/jarnbjo/ogg/FileStream.java +++ /dev/null | |||
@@ -1,154 +0,0 @@ | |||
1 | /* | ||
2 | * $ProjectName$ | ||
3 | * $ProjectRevision$ | ||
4 | * ----------------------------------------------------------- | ||
5 | * $Id$ | ||
6 | * ----------------------------------------------------------- | ||
7 | * | ||
8 | * $Author$ | ||
9 | * | ||
10 | * Description: | ||
11 | * | ||
12 | * Copyright 2002-2003 Tor-Einar Jarnbjo | ||
13 | * ----------------------------------------------------------- | ||
14 | * | ||
15 | * Change History | ||
16 | * ----------------------------------------------------------- | ||
17 | * $Log$ | ||
18 | * Revision 1.1 2005/07/11 15:42:36 hcl | ||
19 | * Songdb java version, source. only 1.5 compatible | ||
20 | * | ||
21 | * Revision 1.1.1.1 2004/04/04 22:09:12 shred | ||
22 | * First Import | ||
23 | * | ||
24 | * Revision 1.1 2003/04/10 19:48:22 jarnbjo | ||
25 | * no message | ||
26 | * | ||
27 | * | ||
28 | */ | ||
29 | |||
30 | package de.jarnbjo.ogg; | ||
31 | |||
32 | import java.io.*; | ||
33 | import java.util.*; | ||
34 | |||
35 | /** | ||
36 | * Implementation of the <code>PhysicalOggStream</code> interface for accessing | ||
37 | * normal disk files. | ||
38 | */ | ||
39 | |||
40 | public class FileStream implements PhysicalOggStream { | ||
41 | |||
42 | private boolean closed=false; | ||
43 | private RandomAccessFile source; | ||
44 | private long[] pageOffsets; | ||
45 | private long numberOfSamples=-1; | ||
46 | |||
47 | private HashMap logicalStreams=new HashMap(); | ||
48 | |||
49 | /** | ||
50 | * Creates access to the specified file through the <code>PhysicalOggStream</code> interface. | ||
51 | * The specified source file must have been opened for reading. | ||
52 | * | ||
53 | * @param source the file to read from | ||
54 | * | ||
55 | * @throws OggFormatException if the stream format is incorrect | ||
56 | * @throws IOException if some other IO error occurs when reading the file | ||
57 | */ | ||
58 | |||
59 | public FileStream(RandomAccessFile source) throws OggFormatException, IOException { | ||
60 | this.source=source; | ||
61 | |||
62 | ArrayList po=new ArrayList(); | ||
63 | int pageNumber=0; | ||
64 | try { | ||
65 | while(true) { | ||
66 | po.add(new Long(this.source.getFilePointer())); | ||
67 | |||
68 | // skip data if pageNumber>0 | ||
69 | OggPage op=getNextPage(pageNumber>0); | ||
70 | if(op==null) { | ||
71 | break; | ||
72 | } | ||
73 | |||
74 | LogicalOggStreamImpl los=(LogicalOggStreamImpl)getLogicalStream(op.getStreamSerialNumber()); | ||
75 | if(los==null) { | ||
76 | los=new LogicalOggStreamImpl(this, op.getStreamSerialNumber()); | ||
77 | logicalStreams.put(new Integer(op.getStreamSerialNumber()), los); | ||
78 | } | ||
79 | |||
80 | if(pageNumber==0) { | ||
81 | los.checkFormat(op); | ||
82 | } | ||
83 | |||
84 | los.addPageNumberMapping(pageNumber); | ||
85 | los.addGranulePosition(op.getAbsoluteGranulePosition()); | ||
86 | |||
87 | if(pageNumber>0) { | ||
88 | this.source.seek(this.source.getFilePointer()+op.getTotalLength()); | ||
89 | } | ||
90 | |||
91 | pageNumber++; | ||
92 | } | ||
93 | } | ||
94 | catch(EndOfOggStreamException e) { | ||
95 | // ok | ||
96 | } | ||
97 | catch(IOException e) { | ||
98 | throw e; | ||
99 | } | ||
100 | //System.out.println("pageNumber: "+pageNumber); | ||
101 | this.source.seek(0L); | ||
102 | pageOffsets=new long[po.size()]; | ||
103 | int i=0; | ||
104 | Iterator iter=po.iterator(); | ||
105 | while(iter.hasNext()) { | ||
106 | pageOffsets[i++]=((Long)iter.next()).longValue(); | ||
107 | } | ||
108 | } | ||
109 | |||
110 | public Collection getLogicalStreams() { | ||
111 | return logicalStreams.values(); | ||
112 | } | ||
113 | |||
114 | public boolean isOpen() { | ||
115 | return !closed; | ||
116 | } | ||
117 | |||
118 | public void close() throws IOException { | ||
119 | closed=true; | ||
120 | source.close(); | ||
121 | } | ||
122 | |||
123 | private OggPage getNextPage() throws EndOfOggStreamException, IOException, OggFormatException { | ||
124 | return getNextPage(false); | ||
125 | } | ||
126 | |||
127 | private OggPage getNextPage(boolean skipData) throws EndOfOggStreamException, IOException, OggFormatException { | ||
128 | return OggPage.create(source, skipData); | ||
129 | } | ||
130 | |||
131 | public OggPage getOggPage(int index) throws IOException { | ||
132 | source.seek(pageOffsets[index]); | ||
133 | return OggPage.create(source); | ||
134 | } | ||
135 | |||
136 | private LogicalOggStream getLogicalStream(int serialNumber) { | ||
137 | return (LogicalOggStream)logicalStreams.get(new Integer(serialNumber)); | ||
138 | } | ||
139 | |||
140 | public void setTime(long granulePosition) throws IOException { | ||
141 | for(Iterator iter=logicalStreams.values().iterator(); iter.hasNext(); ) { | ||
142 | LogicalOggStream los=(LogicalOggStream)iter.next(); | ||
143 | los.setTime(granulePosition); | ||
144 | } | ||
145 | } | ||
146 | |||
147 | /** | ||
148 | * @return always <code>true</code> | ||
149 | */ | ||
150 | |||
151 | public boolean isSeekable() { | ||
152 | return true; | ||
153 | } | ||
154 | } \ No newline at end of file | ||