Fraunhofer AAC codec.

License boilerplate update to follow.

Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5

1 files changed, 1060 insertions, 0 deletions

diff --git a/libAACenc/src/bit_cnt.cpp b/libAACenc/src/bit_cnt.cpp
new file mode 100644
index 0000000..f1a9b73
--- /dev/null
+++ b/libAACenc/src/bit_cnt.cpp
@@ -0,0 +1,1060 @@
+/******************************** MPEG Audio Encoder **************************
+
+                     (C) Copyright Fraunhofer IIS (1999)
+                               All Rights Reserved
+
+    Please be advised that this software and/or program delivery is
+    Confidential Information of Fraunhofer and subject to and covered by the
+
+    Fraunhofer IIS Software Evaluation Agreement
+    between Google Inc. and  Fraunhofer
+    effective and in full force since March 1, 2012.
+
+    You may use this software and/or program only under the terms and
+    conditions described in the above mentioned Fraunhofer IIS Software
+    Evaluation Agreement. Any other and/or further use requires a separate agreement.
+
+
+   This software and/or program is protected by copyright law and international
+   treaties. Any reproduction or distribution of this software and/or program,
+   or any portion of it, may result in severe civil and criminal penalties, and
+   will be prosecuted to the maximum extent possible under law.
+
+   $Id$
+   Initial author:       M.Werner
+   contents/description: Huffman Bitcounter & coder
+
+******************************************************************************/
+
+#include "bit_cnt.h"
+
+#include "aacEnc_ram.h"
+
+#define HI_LTAB(a) (a>>16)
+#define LO_LTAB(a) (a & 0xffff)
+
+/*****************************************************************************
+
+
+    functionname: FDKaacEnc_count1_2_3_4_5_6_7_8_9_10_11
+    description:  counts tables 1-11
+    returns:
+    input:        quantized spectrum
+    output:       bitCount for tables 1-11
+
+*****************************************************************************/
+
+static void FDKaacEnc_count1_2_3_4_5_6_7_8_9_10_11(const SHORT *RESTRICT values,
+                                         const INT  width,
+                                         INT       *bitCount)
+{
+
+  INT i;
+  INT bc1_2,bc3_4,bc5_6,bc7_8,bc9_10,bc11,sc;
+  INT t0,t1,t2,t3;
+  bc1_2=0;
+  bc3_4=0;
+  bc5_6=0;
+  bc7_8=0;
+  bc9_10=0;
+  bc11=0;
+  sc=0;
+
+  for(i=0;i<width;i+=4){
+
+    t0= values[i+0];
+    t1= values[i+1];
+    t2= values[i+2];
+    t3= values[i+3];
+
+    /* 1,2 */
+
+    bc1_2+=FDKaacEnc_huff_ltab1_2[t0+1][t1+1][t2+1][t3+1];
+
+    /* 5,6 */
+    bc5_6+=FDKaacEnc_huff_ltab5_6[t0+4][t1+4];
+    bc5_6+=FDKaacEnc_huff_ltab5_6[t2+4][t3+4];
+
+    t0=fixp_abs(t0);
+    t1=fixp_abs(t1);
+    t2=fixp_abs(t2);
+    t3=fixp_abs(t3);
+
+
+    bc3_4+= FDKaacEnc_huff_ltab3_4[t0][t1][t2][t3];
+
+    bc7_8+=FDKaacEnc_huff_ltab7_8[t0][t1];
+    bc7_8+=FDKaacEnc_huff_ltab7_8[t2][t3];
+
+    bc9_10+=FDKaacEnc_huff_ltab9_10[t0][t1];
+    bc9_10+=FDKaacEnc_huff_ltab9_10[t2][t3];
+
+    bc11+= (INT) FDKaacEnc_huff_ltab11[t0][t1];
+    bc11+= (INT) FDKaacEnc_huff_ltab11[t2][t3];
+
+    sc+=(t0>0)+(t1>0)+(t2>0)+(t3>0);
+  }
+
+  bitCount[1]=HI_LTAB(bc1_2);
+  bitCount[2]=LO_LTAB(bc1_2);
+  bitCount[3]=HI_LTAB(bc3_4)+sc;
+  bitCount[4]=LO_LTAB(bc3_4)+sc;
+  bitCount[5]=HI_LTAB(bc5_6);
+  bitCount[6]=LO_LTAB(bc5_6);
+  bitCount[7]=HI_LTAB(bc7_8)+sc;
+  bitCount[8]=LO_LTAB(bc7_8)+sc;
+  bitCount[9]=HI_LTAB(bc9_10)+sc;
+  bitCount[10]=LO_LTAB(bc9_10)+sc;
+  bitCount[11]=bc11+sc;
+
+}
+
+
+/*****************************************************************************
+
+    functionname: FDKaacEnc_count3_4_5_6_7_8_9_10_11
+    description:  counts tables 3-11
+    returns:
+    input:        quantized spectrum
+    output:       bitCount for tables 3-11
+
+*****************************************************************************/
+
+static void FDKaacEnc_count3_4_5_6_7_8_9_10_11(const SHORT *RESTRICT values,
+                                     const INT  width,
+                                     INT       *bitCount)
+{
+
+  INT i;
+  INT bc3_4,bc5_6,bc7_8,bc9_10,bc11,sc;
+  INT t0,t1,t2,t3;
+
+  bc3_4=0;
+  bc5_6=0;
+  bc7_8=0;
+  bc9_10=0;
+  bc11=0;
+  sc=0;
+
+  for(i=0;i<width;i+=4){
+
+    t0= values[i+0];
+    t1= values[i+1];
+    t2= values[i+2];
+    t3= values[i+3];
+
+    bc5_6+=FDKaacEnc_huff_ltab5_6[t0+4][t1+4];
+    bc5_6+=FDKaacEnc_huff_ltab5_6[t2+4][t3+4];
+
+    t0=fixp_abs(t0);
+    t1=fixp_abs(t1);
+    t2=fixp_abs(t2);
+    t3=fixp_abs(t3);
+
+    bc3_4+= FDKaacEnc_huff_ltab3_4[t0][t1][t2][t3];
+
+    bc7_8+=FDKaacEnc_huff_ltab7_8[t0][t1];
+    bc7_8+=FDKaacEnc_huff_ltab7_8[t2][t3];
+
+    bc9_10+=FDKaacEnc_huff_ltab9_10[t0][t1];
+    bc9_10+=FDKaacEnc_huff_ltab9_10[t2][t3];
+
+    bc11+= (INT) FDKaacEnc_huff_ltab11[t0][t1];
+    bc11+= (INT) FDKaacEnc_huff_ltab11[t2][t3];
+
+    sc+=(t0>0)+(t1>0)+(t2>0)+(t3>0);
+  }
+
+  bitCount[1]=INVALID_BITCOUNT;
+  bitCount[2]=INVALID_BITCOUNT;
+  bitCount[3]=HI_LTAB(bc3_4)+sc;
+  bitCount[4]=LO_LTAB(bc3_4)+sc;
+  bitCount[5]=HI_LTAB(bc5_6);
+  bitCount[6]=LO_LTAB(bc5_6);
+  bitCount[7]=HI_LTAB(bc7_8)+sc;
+  bitCount[8]=LO_LTAB(bc7_8)+sc;
+  bitCount[9]=HI_LTAB(bc9_10)+sc;
+  bitCount[10]=LO_LTAB(bc9_10)+sc;
+  bitCount[11]=bc11+sc;
+}
+
+
+
+/*****************************************************************************
+
+    functionname: FDKaacEnc_count5_6_7_8_9_10_11
+    description:  counts tables 5-11
+    returns:
+    input:        quantized spectrum
+    output:       bitCount for tables 5-11
+
+*****************************************************************************/
+
+
+static void FDKaacEnc_count5_6_7_8_9_10_11(const SHORT *RESTRICT values,
+                                 const INT  width,
+                                 INT       *bitCount)
+{
+
+  INT i;
+  INT bc5_6,bc7_8,bc9_10,bc11,sc;
+  INT t0,t1;
+  bc5_6=0;
+  bc7_8=0;
+  bc9_10=0;
+  bc11=0;
+  sc=0;
+
+  for(i=0;i<width;i+=2){
+
+    t0 = values[i+0];
+    t1 = values[i+1];
+
+    bc5_6+=FDKaacEnc_huff_ltab5_6[t0+4][t1+4];
+
+    t0=fixp_abs(t0);
+    t1=fixp_abs(t1);
+
+    bc7_8+=FDKaacEnc_huff_ltab7_8[t0][t1];
+    bc9_10+=FDKaacEnc_huff_ltab9_10[t0][t1];
+    bc11+= (INT) FDKaacEnc_huff_ltab11[t0][t1];
+
+    sc+=(t0>0)+(t1>0);
+  }
+  bitCount[1]=INVALID_BITCOUNT;
+  bitCount[2]=INVALID_BITCOUNT;
+  bitCount[3]=INVALID_BITCOUNT;
+  bitCount[4]=INVALID_BITCOUNT;
+  bitCount[5]=HI_LTAB(bc5_6);
+  bitCount[6]=LO_LTAB(bc5_6);
+  bitCount[7]=HI_LTAB(bc7_8)+sc;
+  bitCount[8]=LO_LTAB(bc7_8)+sc;
+  bitCount[9]=HI_LTAB(bc9_10)+sc;
+  bitCount[10]=LO_LTAB(bc9_10)+sc;
+  bitCount[11]=bc11+sc;
+
+}
+
+
+/*****************************************************************************
+
+    functionname: FDKaacEnc_count7_8_9_10_11
+    description:  counts tables 7-11
+    returns:
+    input:        quantized spectrum
+    output:       bitCount for tables 7-11
+
+*****************************************************************************/
+
+static void FDKaacEnc_count7_8_9_10_11(const SHORT *RESTRICT values,
+                             const INT  width,
+                             INT       *bitCount)
+{
+
+  INT i;
+  INT bc7_8,bc9_10,bc11,sc;
+  INT t0,t1;
+
+  bc7_8=0;
+  bc9_10=0;
+  bc11=0;
+  sc=0;
+
+  for(i=0;i<width;i+=2){
+    t0=fixp_abs(values[i+0]);
+    t1=fixp_abs(values[i+1]);
+
+    bc7_8+=FDKaacEnc_huff_ltab7_8[t0][t1];
+    bc9_10+=FDKaacEnc_huff_ltab9_10[t0][t1];
+    bc11+= (INT) FDKaacEnc_huff_ltab11[t0][t1];
+    sc+=(t0>0)+(t1>0);
+  }
+
+  bitCount[1]=INVALID_BITCOUNT;
+  bitCount[2]=INVALID_BITCOUNT;
+  bitCount[3]=INVALID_BITCOUNT;
+  bitCount[4]=INVALID_BITCOUNT;
+  bitCount[5]=INVALID_BITCOUNT;
+  bitCount[6]=INVALID_BITCOUNT;
+  bitCount[7]=HI_LTAB(bc7_8)+sc;
+  bitCount[8]=LO_LTAB(bc7_8)+sc;
+  bitCount[9]=HI_LTAB(bc9_10)+sc;
+  bitCount[10]=LO_LTAB(bc9_10)+sc;
+  bitCount[11]=bc11+sc;
+
+}
+
+/*****************************************************************************
+
+    functionname: FDKaacEnc_count9_10_11
+    description:  counts tables 9-11
+    returns:
+    input:        quantized spectrum
+    output:       bitCount for tables 9-11
+
+*****************************************************************************/
+
+
+
+static void FDKaacEnc_count9_10_11(const SHORT *RESTRICT values,
+                         const INT  width,
+                         INT       *bitCount)
+{
+
+  INT i;
+  INT bc9_10,bc11,sc;
+  INT t0,t1;
+
+  bc9_10=0;
+  bc11=0;
+  sc=0;
+
+  for(i=0;i<width;i+=2){
+    t0=fixp_abs(values[i+0]);
+    t1=fixp_abs(values[i+1]);
+
+    bc9_10+=FDKaacEnc_huff_ltab9_10[t0][t1];
+    bc11+= (INT) FDKaacEnc_huff_ltab11[t0][t1];
+
+    sc+=(t0>0)+(t1>0);
+  }
+
+  bitCount[1]=INVALID_BITCOUNT;
+  bitCount[2]=INVALID_BITCOUNT;
+  bitCount[3]=INVALID_BITCOUNT;
+  bitCount[4]=INVALID_BITCOUNT;
+  bitCount[5]=INVALID_BITCOUNT;
+  bitCount[6]=INVALID_BITCOUNT;
+  bitCount[7]=INVALID_BITCOUNT;
+  bitCount[8]=INVALID_BITCOUNT;
+  bitCount[9]=HI_LTAB(bc9_10)+sc;
+  bitCount[10]=LO_LTAB(bc9_10)+sc;
+  bitCount[11]=bc11+sc;
+
+}
+
+/*****************************************************************************
+
+    functionname: FDKaacEnc_count11
+    description:  counts table 11
+    returns:
+    input:        quantized spectrum
+    output:       bitCount for table 11
+
+*****************************************************************************/
+
+static void FDKaacEnc_count11(const SHORT *RESTRICT values,
+                    const INT  width,
+                    INT        *bitCount)
+{
+
+  INT i;
+  INT bc11,sc;
+  INT t0,t1;
+
+  bc11=0;
+  sc=0;
+  for(i=0;i<width;i+=2){
+    t0=fixp_abs(values[i+0]);
+    t1=fixp_abs(values[i+1]);
+    bc11+= (INT) FDKaacEnc_huff_ltab11[t0][t1];
+    sc+=(t0>0)+(t1>0);
+  }
+
+  bitCount[1]=INVALID_BITCOUNT;
+  bitCount[2]=INVALID_BITCOUNT;
+  bitCount[3]=INVALID_BITCOUNT;
+  bitCount[4]=INVALID_BITCOUNT;
+  bitCount[5]=INVALID_BITCOUNT;
+  bitCount[6]=INVALID_BITCOUNT;
+  bitCount[7]=INVALID_BITCOUNT;
+  bitCount[8]=INVALID_BITCOUNT;
+  bitCount[9]=INVALID_BITCOUNT;
+  bitCount[10]=INVALID_BITCOUNT;
+  bitCount[11]=bc11+sc;
+}
+
+/*****************************************************************************
+
+    functionname: FDKaacEnc_countEsc
+    description:  counts table 11 (with Esc)
+    returns:
+    input:        quantized spectrum
+    output:       bitCount for tables 11 (with Esc)
+
+*****************************************************************************/
+
+static void FDKaacEnc_countEsc(const SHORT *RESTRICT values,
+                     const INT  width,
+                     INT       *RESTRICT bitCount)
+{
+
+  INT i;
+  INT bc11,ec,sc;
+  INT t0,t1,t00,t01;
+
+  bc11=0;
+  sc=0;
+  ec=0;
+  for(i=0;i<width;i+=2){
+    t0=fixp_abs(values[i+0]);
+    t1=fixp_abs(values[i+1]);
+
+    sc+=(t0>0)+(t1>0);
+
+    t00 = fixMin(t0,16);
+    t01 = fixMin(t1,16);
+    bc11+= (INT) FDKaacEnc_huff_ltab11[t00][t01];
+
+    if(t0>=16){
+      ec+=5;
+      while((t0>>=1) >= 16)
+        ec+=2;
+    }
+
+    if(t1>=16){
+      ec+=5;
+      while((t1>>=1) >= 16)
+        ec+=2;
+    }
+  }
+
+  for (i=0; i<11; i++)
+    bitCount[i]=INVALID_BITCOUNT;
+
+  bitCount[11]=bc11+sc+ec;
+}
+
+
+typedef void (*COUNT_FUNCTION)(const SHORT *RESTRICT values,
+                               const INT  width,
+                               INT       *RESTRICT bitCount);
+
+static const COUNT_FUNCTION countFuncTable[CODE_BOOK_ESC_LAV+1] =
+{
+
+ FDKaacEnc_count1_2_3_4_5_6_7_8_9_10_11,  /* 0  */
+ FDKaacEnc_count1_2_3_4_5_6_7_8_9_10_11,  /* 1  */
+ FDKaacEnc_count3_4_5_6_7_8_9_10_11,      /* 2  */
+ FDKaacEnc_count5_6_7_8_9_10_11,          /* 3  */
+ FDKaacEnc_count5_6_7_8_9_10_11,          /* 4  */
+ FDKaacEnc_count7_8_9_10_11,              /* 5  */
+ FDKaacEnc_count7_8_9_10_11,              /* 6  */
+ FDKaacEnc_count7_8_9_10_11,              /* 7  */
+ FDKaacEnc_count9_10_11,                  /* 8  */
+ FDKaacEnc_count9_10_11,                  /* 9  */
+ FDKaacEnc_count9_10_11,                  /* 10 */
+ FDKaacEnc_count9_10_11,                  /* 11 */
+ FDKaacEnc_count9_10_11,                  /* 12 */
+ FDKaacEnc_count11,                       /* 13 */
+ FDKaacEnc_count11,                       /* 14 */
+ FDKaacEnc_count11,                       /* 15 */
+ FDKaacEnc_countEsc                       /* 16 */
+};
+
+
+
+INT    FDKaacEnc_bitCount(const SHORT *values,
+                          const INT   width,
+                          INT         maxVal,
+                          INT        *bitCount)
+{
+
+  /*
+    check if we can use codebook 0
+  */
+
+  if(maxVal == 0)
+    bitCount[0] = 0;
+  else
+    bitCount[0] = INVALID_BITCOUNT;
+
+  maxVal = fixMin(maxVal,(INT)CODE_BOOK_ESC_LAV);
+  countFuncTable[maxVal](values,width,bitCount);
+  return(0);
+}
+
+
+
+
+/*
+  count difference between actual and zeroed lines
+*/
+INT FDKaacEnc_countValues(SHORT *RESTRICT values, INT width, INT codeBook)
+{
+
+  INT i,t0,t1,t2,t3,t00,t01;
+  INT codeLength;
+  INT signLength;
+  INT bitCnt=0;
+
+  switch(codeBook){
+  case CODE_BOOK_ZERO_NO:
+    break;
+
+  case CODE_BOOK_1_NO:
+    for(i=0; i<width; i+=4) {
+      t0         = values[i+0];
+      t1         = values[i+1];
+      t2         = values[i+2];
+      t3         = values[i+3];
+      codeLength = HI_LTAB(FDKaacEnc_huff_ltab1_2[t0+1][t1+1][t2+1][t3+1]);
+      bitCnt+= codeLength;
+    }
+    break;
+
+  case CODE_BOOK_2_NO:
+    for(i=0; i<width; i+=4) {
+      t0         = values[i+0];
+      t1         = values[i+1];
+      t2         = values[i+2];
+      t3         = values[i+3];
+      codeLength = LO_LTAB(FDKaacEnc_huff_ltab1_2[t0+1][t1+1][t2+1][t3+1]);
+      bitCnt+= codeLength;
+    }
+    break;
+
+  case CODE_BOOK_3_NO:
+    for(i=0; i<width; i+=4) {
+      signLength=0;
+      t0 = values[i+0];
+      if(t0 != 0){
+        signLength++;
+        t0=fixp_abs(t0);
+      }
+      t1 = values[i+1];
+      if(t1 != 0){
+        signLength++;
+        t1=fixp_abs(t1);
+      }
+      t2 = values[i+2];
+      if(t2 != 0){
+        signLength++;
+        t2=fixp_abs(t2);
+      }
+      t3 = values[i+3];
+      if(t3 != 0){
+        signLength++;
+        t3=fixp_abs(t3);
+      }
+
+      codeLength = HI_LTAB(FDKaacEnc_huff_ltab3_4[t0][t1][t2][t3]);
+      bitCnt+=codeLength+signLength;
+    }
+    break;
+
+  case CODE_BOOK_4_NO:
+    for(i=0; i<width; i+=4) {
+      signLength=0;
+      t0 = values[i+0];
+      if(t0 != 0){
+        signLength++;
+        t0=fixp_abs(t0);
+      }
+      t1 = values[i+1];
+      if(t1 != 0){
+        signLength++;
+        t1=fixp_abs(t1);
+      }
+      t2 = values[i+2];
+      if(t2 != 0){
+        signLength++;
+        t2=fixp_abs(t2);
+      }
+      t3 = values[i+3];
+      if(t3 != 0){
+        signLength++;
+        t3=fixp_abs(t3);
+      }
+      codeLength = LO_LTAB(FDKaacEnc_huff_ltab3_4[t0][t1][t2][t3]);
+      bitCnt+=codeLength+signLength;
+    }
+    break;
+
+  case CODE_BOOK_5_NO:
+    for(i=0; i<width; i+=2) {
+      t0         = values[i+0];
+      t1         = values[i+1];
+      codeLength = HI_LTAB(FDKaacEnc_huff_ltab5_6[t0+4][t1+4]);
+      bitCnt+=codeLength;
+    }
+    break;
+
+  case CODE_BOOK_6_NO:
+    for(i=0; i<width; i+=2) {
+      t0         = values[i+0];
+      t1         = values[i+1];
+      codeLength = LO_LTAB(FDKaacEnc_huff_ltab5_6[t0+4][t1+4]);
+      bitCnt+=codeLength;
+    }
+    break;
+
+  case CODE_BOOK_7_NO:
+    for(i=0; i<width; i+=2){
+      signLength=0;
+      t0 = values[i+0];
+      if(t0 != 0){
+        signLength++;
+        t0=fixp_abs(t0);
+      }
+
+      t1 = values[i+1];
+      if(t1 != 0){
+        signLength++;
+        t1=fixp_abs(t1);
+      }
+      codeLength = HI_LTAB(FDKaacEnc_huff_ltab7_8[t0][t1]);
+      bitCnt+=codeLength +signLength;
+    }
+    break;
+
+  case CODE_BOOK_8_NO:
+    for(i=0; i<width; i+=2) {
+      signLength=0;
+      t0 = values[i+0];
+      if(t0 != 0){
+        signLength++;
+        t0=fixp_abs(t0);
+      }
+
+      t1 = values[i+1];
+      if(t1 != 0){
+        signLength++;
+        t1=fixp_abs(t1);
+      }
+      codeLength = LO_LTAB(FDKaacEnc_huff_ltab7_8[t0][t1]);
+      bitCnt+=codeLength +signLength;
+    }
+    break;
+
+  case CODE_BOOK_9_NO:
+    for(i=0; i<width; i+=2) {
+      signLength=0;
+      t0 = values[i+0];
+      if(t0 != 0){
+        signLength++;
+        t0=fixp_abs(t0);
+      }
+      t1 = values[i+1];
+      if(t1 != 0){
+        signLength++;
+        t1=fixp_abs(t1);
+      }
+      codeLength = HI_LTAB(FDKaacEnc_huff_ltab9_10[t0][t1]);
+      bitCnt+=codeLength +signLength;
+    }
+    break;
+
+  case CODE_BOOK_10_NO:
+    for(i=0; i<width; i+=2) {
+      signLength=0;
+      t0 = values[i+0];
+      if(t0 != 0){
+        signLength++;
+        t0=fixp_abs(t0);
+      }
+
+      t1 = values[i+1];
+      if(t1 != 0){
+        signLength++;
+        t1=fixp_abs(t1);
+      }
+      codeLength = LO_LTAB(FDKaacEnc_huff_ltab9_10[t0][t1]);
+      bitCnt+=codeLength +signLength;
+    }
+    break;
+
+  case CODE_BOOK_ESC_NO:
+    for(i=0; i<width; i+=2) {
+      signLength=0;
+      t0 = values[i+0];
+      if(t0 != 0){
+        signLength++;
+        t0=fixp_abs(t0);
+      }
+      t1 = values[i+1];
+      if(t1 != 0){
+        signLength++;
+        t1=fixp_abs(t1);
+      }
+      t00 = fixMin(t0,16);
+      t01 = fixMin(t1,16);
+
+      codeLength = (INT) FDKaacEnc_huff_ltab11[t00][t01];
+      bitCnt+=codeLength +signLength;
+      if(t0 >=16){
+        INT n,p;
+        n=0;
+        p=t0;
+        while((p>>=1) >=16){
+          bitCnt++;
+          n++;
+        }
+        bitCnt+=(n+5);
+      }
+      if(t1 >=16){
+        INT n,p;
+        n=0;
+        p=t1;
+        while((p>>=1) >=16){
+          bitCnt++;
+          n++;
+        }
+        bitCnt+=(n+5);
+      }
+    }
+    break;
+
+  default:
+    break;
+  }
+
+  return(bitCnt);
+}
+
+
+
+INT FDKaacEnc_codeValues(SHORT *RESTRICT values, INT width, INT codeBook,  HANDLE_FDK_BITSTREAM hBitstream)
+{
+
+  INT i,t0,t1,t2,t3,t00,t01;
+  INT codeWord,codeLength;
+  INT sign,signLength;
+
+  switch(codeBook){
+  case CODE_BOOK_ZERO_NO:
+    break;
+
+  case CODE_BOOK_1_NO:
+    for(i=0; i<width; i+=4) {
+      t0         = values[i+0]+1;
+      t1         = values[i+1]+1;
+      t2         = values[i+2]+1;
+      t3         = values[i+3]+1;
+      codeWord   = FDKaacEnc_huff_ctab1[t0][t1][t2][t3];
+      codeLength = HI_LTAB(FDKaacEnc_huff_ltab1_2[t0][t1][t2][t3]);
+      FDKwriteBits(hBitstream,codeWord,codeLength);
+    }
+    break;
+
+  case CODE_BOOK_2_NO:
+    for(i=0; i<width; i+=4) {
+      t0         = values[i+0]+1;
+      t1         = values[i+1]+1;
+      t2         = values[i+2]+1;
+      t3         = values[i+3]+1;
+      codeWord   = FDKaacEnc_huff_ctab2[t0][t1][t2][t3];
+      codeLength = LO_LTAB(FDKaacEnc_huff_ltab1_2[t0][t1][t2][t3]);
+      FDKwriteBits(hBitstream,codeWord,codeLength);
+    }
+    break;
+
+  case CODE_BOOK_3_NO:
+    for(i=0; i<width; i+=4) {
+      sign=0;
+      signLength=0;
+      t0 = values[i+0];
+      if(t0 != 0){
+        signLength++;
+        sign<<=1;
+        if(t0 < 0){
+          sign|=1;
+          t0=fixp_abs(t0);
+        }
+      }
+      t1 = values[i+1];
+      if(t1 != 0){
+        signLength++;
+        sign<<=1;
+        if(t1 < 0){
+          sign|=1;
+          t1=fixp_abs(t1);
+        }
+      }
+      t2 = values[i+2];
+      if(t2 != 0){
+        signLength++;
+        sign<<=1;
+        if(t2 < 0){
+          sign|=1;
+          t2=fixp_abs(t2);
+        }
+      }
+      t3 = values[i+3];
+      if(t3 != 0){
+        signLength++;
+        sign<<=1;
+        if(t3 < 0){
+          sign|=1;
+          t3=fixp_abs(t3);
+        }
+      }
+
+      codeWord   = FDKaacEnc_huff_ctab3[t0][t1][t2][t3];
+      codeLength = HI_LTAB(FDKaacEnc_huff_ltab3_4[t0][t1][t2][t3]);
+      FDKwriteBits(hBitstream,codeWord,codeLength);
+      FDKwriteBits(hBitstream,sign,signLength);
+    }
+    break;
+
+  case CODE_BOOK_4_NO:
+    for(i=0; i<width; i+=4) {
+      sign=0;
+      signLength=0;
+      t0 = values[i+0];
+      if(t0 != 0){
+        signLength++;
+        sign<<=1;
+        if(t0 < 0){
+          sign|=1;
+          t0=fixp_abs(t0);
+        }
+      }
+      t1 = values[i+1];
+      if(t1 != 0){
+        signLength++;
+        sign<<=1;
+        if(t1 < 0){
+          sign|=1;
+          t1=fixp_abs(t1);
+        }
+      }
+      t2 = values[i+2];
+      if(t2 != 0){
+        signLength++;
+        sign<<=1;
+        if(t2 < 0){
+          sign|=1;
+          t2=fixp_abs(t2);
+        }
+      }
+      t3 = values[i+3];
+      if(t3 != 0){
+        signLength++;
+        sign<<=1;
+        if(t3 < 0){
+          sign|=1;
+          t3=fixp_abs(t3);
+        }
+      }
+      codeWord   = FDKaacEnc_huff_ctab4[t0][t1][t2][t3];
+      codeLength = LO_LTAB(FDKaacEnc_huff_ltab3_4[t0][t1][t2][t3]);
+      FDKwriteBits(hBitstream,codeWord,codeLength);
+      FDKwriteBits(hBitstream,sign,signLength);
+    }
+    break;
+
+  case CODE_BOOK_5_NO:
+    for(i=0; i<width; i+=2) {
+      t0         = values[i+0]+4;
+      t1         = values[i+1]+4;
+      codeWord   = FDKaacEnc_huff_ctab5[t0][t1];
+      codeLength = HI_LTAB(FDKaacEnc_huff_ltab5_6[t0][t1]);
+      FDKwriteBits(hBitstream,codeWord,codeLength);
+    }
+    break;
+
+  case CODE_BOOK_6_NO:
+    for(i=0; i<width; i+=2) {
+      t0         = values[i+0]+4;
+      t1         = values[i+1]+4;
+      codeWord   = FDKaacEnc_huff_ctab6[t0][t1];
+      codeLength = LO_LTAB(FDKaacEnc_huff_ltab5_6[t0][t1]);
+      FDKwriteBits(hBitstream,codeWord,codeLength);
+    }
+    break;
+
+  case CODE_BOOK_7_NO:
+    for(i=0; i<width; i+=2){
+      sign=0;
+      signLength=0;
+      t0 = values[i+0];
+      if(t0 != 0){
+        signLength++;
+        sign<<=1;
+        if(t0 < 0){
+          sign|=1;
+          t0=fixp_abs(t0);
+        }
+      }
+
+      t1 = values[i+1];
+      if(t1 != 0){
+        signLength++;
+        sign<<=1;
+        if(t1 < 0){
+          sign|=1;
+          t1=fixp_abs(t1);
+        }
+      }
+      codeWord   = FDKaacEnc_huff_ctab7[t0][t1];
+      codeLength = HI_LTAB(FDKaacEnc_huff_ltab7_8[t0][t1]);
+      FDKwriteBits(hBitstream,codeWord,codeLength);
+      FDKwriteBits(hBitstream,sign,signLength);
+    }
+    break;
+
+  case CODE_BOOK_8_NO:
+    for(i=0; i<width; i+=2) {
+      sign=0;
+      signLength=0;
+      t0 = values[i+0];
+      if(t0 != 0){
+        signLength++;
+        sign<<=1;
+        if(t0 < 0){
+          sign|=1;
+          t0=fixp_abs(t0);
+        }
+      }
+
+      t1 = values[i+1];
+      if(t1 != 0){
+        signLength++;
+        sign<<=1;
+        if(t1 < 0){
+          sign|=1;
+          t1=fixp_abs(t1);
+        }
+      }
+      codeWord   = FDKaacEnc_huff_ctab8[t0][t1];
+      codeLength = LO_LTAB(FDKaacEnc_huff_ltab7_8[t0][t1]);
+      FDKwriteBits(hBitstream,codeWord,codeLength);
+      FDKwriteBits(hBitstream,sign,signLength);
+    }
+    break;
+
+  case CODE_BOOK_9_NO:
+    for(i=0; i<width; i+=2) {
+      sign=0;
+      signLength=0;
+      t0 = values[i+0];
+      if(t0 != 0){
+        signLength++;
+        sign<<=1;
+        if(t0 < 0){
+          sign|=1;
+          t0=fixp_abs(t0);
+        }
+      }
+      t1 = values[i+1];
+      if(t1 != 0){
+        signLength++;
+        sign<<=1;
+        if(t1 < 0){
+          sign|=1;
+          t1=fixp_abs(t1);
+        }
+      }
+      codeWord   = FDKaacEnc_huff_ctab9[t0][t1];
+      codeLength = HI_LTAB(FDKaacEnc_huff_ltab9_10[t0][t1]);
+      FDKwriteBits(hBitstream,codeWord,codeLength);
+      FDKwriteBits(hBitstream,sign,signLength);
+    }
+    break;
+
+  case CODE_BOOK_10_NO:
+    for(i=0; i<width; i+=2) {
+      sign=0;
+      signLength=0;
+      t0 = values[i+0];
+      if(t0 != 0){
+        signLength++;
+        sign<<=1;
+        if(t0 < 0){
+          sign|=1;
+          t0=fixp_abs(t0);
+        }
+      }
+
+      t1 = values[i+1];
+      if(t1 != 0){
+        signLength++;
+        sign<<=1;
+        if(t1 < 0){
+          sign|=1;
+          t1=fixp_abs(t1);
+        }
+      }
+      codeWord   = FDKaacEnc_huff_ctab10[t0][t1];
+      codeLength = LO_LTAB(FDKaacEnc_huff_ltab9_10[t0][t1]);
+      FDKwriteBits(hBitstream,codeWord,codeLength);
+      FDKwriteBits(hBitstream,sign,signLength);
+    }
+    break;
+
+  case CODE_BOOK_ESC_NO:
+    for(i=0; i<width; i+=2) {
+      sign=0;
+      signLength=0;
+      t0 = values[i+0];
+      if(t0 != 0){
+        signLength++;
+        sign<<=1;
+        if(t0 < 0){
+          sign|=1;
+          t0=fixp_abs(t0);
+        }
+      }
+      t1 = values[i+1];
+      if(t1 != 0){
+        signLength++;
+        sign<<=1;
+        if(t1 < 0){
+          sign|=1;
+          t1=fixp_abs(t1);
+        }
+      }
+      t00 = fixMin(t0,16);
+      t01 = fixMin(t1,16);
+
+      codeWord   = FDKaacEnc_huff_ctab11[t00][t01];
+      codeLength = (INT) FDKaacEnc_huff_ltab11[t00][t01];
+      FDKwriteBits(hBitstream,codeWord,codeLength);
+      FDKwriteBits(hBitstream,sign,signLength);
+      if(t0 >=16){
+        INT n,p;
+        n=0;
+        p=t0;
+        while((p>>=1) >=16){
+          FDKwriteBits(hBitstream,1,1);
+          n++;
+        }
+        FDKwriteBits(hBitstream,0,1);
+        FDKwriteBits(hBitstream,t0-(1<<(n+4)),n+4);
+      }
+      if(t1 >=16){
+        INT n,p;
+        n=0;
+        p=t1;
+        while((p>>=1) >=16){
+          FDKwriteBits(hBitstream,1,1);
+          n++;
+        }
+        FDKwriteBits(hBitstream,0,1);
+        FDKwriteBits(hBitstream,t1-(1<<(n+4)),n+4);
+      }
+    }
+    break;
+
+  default:
+    break;
+  }
+  return(0);
+}
+
+INT FDKaacEnc_codeScalefactorDelta(INT delta, HANDLE_FDK_BITSTREAM hBitstream)
+{
+  INT codeWord,codeLength;
+
+  if(fixp_abs(delta) >CODE_BOOK_SCF_LAV)
+    return(1);
+
+  codeWord   = FDKaacEnc_huff_ctabscf[delta+CODE_BOOK_SCF_LAV];
+  codeLength = (INT)FDKaacEnc_huff_ltabscf[delta+CODE_BOOK_SCF_LAV];
+  FDKwriteBits(hBitstream,codeWord,codeLength);
+  return(0);
+}
+
+
+