videoeditorengine/mp3aacManipLib/AACGain/inc/dec_huf.h
changeset 0 951a5db380a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/videoeditorengine/mp3aacManipLib/AACGain/inc/dec_huf.h	Fri Jan 29 14:08:33 2010 +0200
@@ -0,0 +1,77 @@
+/*
+* Copyright (c) 2010 Ixonos Plc.
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - Initial contribution
+*
+* Contributors:
+* Ixonos Plc
+*
+* Description:
+*
+*/
+
+
+/**************************************************************************
+  dec_huf.h - AAC Huffman decoding declarations.
+ 
+  Author(s): Juha Ojanpera
+  Copyright (c) 2000-2004 by Nokia Research Center, Speech and Audio Systems.
+  *************************************************************************/
+
+#ifndef DEC_HUFFMAN_H_
+#define DEC_HUFFMAN_H_
+
+/*-- Project Headers. --*/
+#include "defines.h"
+
+#define MAX_AAC_QHUFTABLES (11)
+
+/*
+  Purpose:      Structure defining Huffman codeword values for
+                quantized spectral coefficients.
+  Explanation:  - */
+
+typedef struct Huffman_DecCodeStr
+{
+  uint16 huf_param;  /* Quantized spectral coefficients. */
+  uint16 codeword;   /* Huffman codeword.                */
+    
+} Huffman_DecCode;
+
+/*
+  Purpose:      Structure defining Huffman codebook parameters for
+                quantized spectral coefficients.
+  Explanation:  - */
+typedef struct Huffman_DecInfoStr
+{
+  int16 cb_len;               /* Codebook size.                         */
+  const Huffman_DecCode *huf; /* Codeword parameters for this codebook. */
+    
+} Huffman_DecInfo;
+
+/*
+  Purpose:      Structure defining Huffman codebook parameters for
+                scalefactors.
+  Explanation:  - */
+typedef struct Huffman_DecSfInfoStr
+{
+  int16 cb_len;           /* Codebook size.       */
+  const uint32 *sf_param; /* Codeword parameters. */
+    
+} Huffman_DecSfInfo;
+
+
+
+/*-- Following functions are implemented in module 'dec_huftables.c'. --*/
+Huffman_DecInfo **LoadHuffmanDecTablesL(void);
+void CloseHuffmanDecTables(Huffman_DecInfo **);
+Huffman_DecSfInfo *LoadSfHuffmanTableL(void);
+void CloseSfHuffmanTable(Huffman_DecSfInfo *sfHuf);
+
+#endif /*-- DEC_HUFFMAN_H_ --*/