1 files changed, 100 insertions, 0 deletions

diff --git a/isoparser/src/main/java/com/googlecode/mp4parser/h264/write/.svn/text-base/CAVLCWriter.java.svn-base b/isoparser/src/main/java/com/googlecode/mp4parser/h264/write/.svn/text-base/CAVLCWriter.java.svn-base
new file mode 100644
index 0000000..c4e0026
--- /dev/null
+++ b/isoparser/src/main/java/com/googlecode/mp4parser/h264/write/.svn/text-base/CAVLCWriter.java.svn-base
@@ -0,0 +1,100 @@
+/*
+Copyright (c) 2011 Stanislav Vitvitskiy
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this
+software and associated documentation files (the "Software"), to deal in the Software
+without restriction, including without limitation the rights to use, copy, modify,
+merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or
+substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
+OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+package com.googlecode.mp4parser.h264.write;
+
+import com.googlecode.mp4parser.h264.Debug;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+
+/**
+ * A class responsible for outputting exp-Golumb values into binary stream
+ *
+ * @author Stanislav Vitvitskiy
+ */
+public class CAVLCWriter extends BitstreamWriter {
+
+    public CAVLCWriter(OutputStream out) {
+        super(out);
+    }
+
+    public void writeU(int value, int n, String string) throws IOException {
+        Debug.print(string + "\t");
+        writeNBit(value, n);
+        Debug.println("\t" + value);
+    }
+
+    public void writeUE(int value) throws IOException {
+        int bits = 0;
+        int cumul = 0;
+        for (int i = 0; i < 15; i++) {
+            if (value < cumul + (1 << i)) {
+                bits = i;
+                break;
+            }
+            cumul += (1 << i);
+        }
+        writeNBit(0, bits);
+        write1Bit(1);
+        writeNBit(value - cumul, bits);
+    }
+
+    public void writeUE(int value, String string) throws IOException {
+        Debug.print(string + "\t");
+        writeUE(value);
+        Debug.println("\t" + value);
+    }
+
+    public void writeSE(int value, String string) throws IOException {
+        Debug.print(string + "\t");
+        writeUE((value << 1) * (value < 0 ? -1 : 1) + (value > 0 ? 1 : 0));
+        Debug.println("\t" + value);
+    }
+
+    public void writeBool(boolean value, String string) throws IOException {
+        Debug.print(string + "\t");
+        write1Bit(value ? 1 : 0);
+        Debug.println("\t" + value);
+    }
+
+    public void writeU(int i, int n) throws IOException {
+        writeNBit(i, n);
+    }
+
+    public void writeNBit(long value, int n, String string) throws IOException {
+        Debug.print(string + "\t");
+        for (int i = 0; i < n; i++) {
+            write1Bit((int) (value >> (n - i - 1)) & 0x1);
+        }
+        Debug.println("\t" + value);
+    }
+
+    public void writeTrailingBits() throws IOException {
+        write1Bit(1);
+        writeRemainingZero();
+        flush();
+    }
+
+    public void writeSliceTrailingBits() {
+        throw new IllegalStateException("todo");
+    }
+}
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