exporting sounds

fixed movies export

trunk/src/com/jpexs/decompiler/flash/flv/FLVOutputStream.java

@@ -0,0 +1,137 @@
+package com.jpexs.decompiler.flash.flv;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+/**
+ *
+ * @author JPEXS
+ */
+public class FLVOutputStream extends OutputStream {
+
+   private OutputStream os;
+   private int bitPos = 0;
+   private int tempByte = 0;
+   private long pos = 0;
+
+   public FLVOutputStream(OutputStream os) {
+      this.os = os;
+   }
+
+   public long getPos() {
+      return pos;
+   }
+
+   /**
+    * Writes byte to the stream
+    *
+    * @param b byte to write
+    * @throws IOException
+    */
+   @Override
+   public void write(int b) throws IOException {
+      alignByte();
+      os.write(b);
+      pos++;
+   }
+
+   private void alignByte() throws IOException {
+      if (bitPos > 0) {
+         bitPos = 0;
+         write(tempByte);
+         tempByte = 0;
+      }
+   }
+
+   /**
+    * Writes UI8 (Unsigned 8bit integer) value to the stream
+    *
+    * @param val UI8 value to write
+    * @throws IOException
+    */
+   public void writeUI8(int val) throws IOException {
+      write(val);
+   }
+
+   /**
+    * Writes UI24 (Unsigned 24bit integer) value to the stream
+    *
+    * @param value UI32 value
+    * @throws IOException
+    */
+   public void writeUI24(long value) throws IOException {
+      write((int) ((value >> 16) & 0xff));
+      write((int) ((value >> 8) & 0xff));
+      write((int) (value & 0xff));
+
+   }
+
+   /**
+    * Writes UI32 (Unsigned 32bit integer) value to the stream
+    *
+    * @param value UI32 value
+    * @throws IOException
+    */
+   public void writeUI32(long value) throws IOException {
+      write((int) ((value >> 24) & 0xff));
+      write((int) ((value >> 16) & 0xff));
+      write((int) ((value >> 8) & 0xff));
+      write((int) (value & 0xff));
+   }
+
+   /**
+    * Writes UI16 (Unsigned 16bit integer) value to the stream
+    *
+    * @param value UI16 value
+    * @throws IOException
+    */
+   public void writeUI16(int value) throws IOException {
+      write((int) ((value >> 8) & 0xff));
+      write((int) (value & 0xff));
+   }
+
+   /**
+    * Writes UB[nBits] (Unsigned-bit value) value to the stream
+    *
+    * @param nBits Number of bits which represent value
+    * @param value Unsigned value to write
+    * @throws IOException
+    */
+   public void writeUB(int nBits, long value) throws IOException {
+      for (int bit = 0; bit < nBits; bit++) {
+         int nb = (int) ((value >> (nBits - 1 - bit)) & 1);
+         tempByte += nb * (1 << (7 - bitPos));
+         bitPos++;
+         if (bitPos == 8) {
+            bitPos = 0;
+            write(tempByte);
+            tempByte = 0;
+         }
+      }
+   }
+
+   public void writeHeader(boolean audio, boolean video) throws IOException {
+      write("FLV".getBytes());
+      write(1); //version
+      writeUB(5, 0); //must be 0
+      writeUB(1, audio?1:0); //audio present
+      writeUB(1, 0); //reserved
+      writeUB(1, video?1:0); //video present
+      writeUI32(9);  //header size            
+      writeUI32(0);
+   }
+   
+   public void writeTag(FLVTAG tag) throws IOException {
+      long posBefore=getPos();
+      writeUI8(tag.tagType);
+      byte data[]=tag.data.getBytes();
+      writeUI24(data.length);
+      writeUI24(tag.timeStamp&0xffffff);
+      writeUI8((int)((tag.timeStamp>>24) & 0xff));
+      writeUI24(0);
+      write(data);
+      long posAfter=getPos();
+      long size=posAfter-posBefore;
+      writeUI32(size);
+   }
+}