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Diffstat (limited to 'libAACenc/src/bit_cnt.cpp')
| -rw-r--r-- | libAACenc/src/bit_cnt.cpp | 1714 |
1 files changed, 771 insertions, 943 deletions
diff --git a/libAACenc/src/bit_cnt.cpp b/libAACenc/src/bit_cnt.cpp index 926ee49..579df8c 100644 --- a/libAACenc/src/bit_cnt.cpp +++ b/libAACenc/src/bit_cnt.cpp @@ -1,74 +1,85 @@ - -/* ----------------------------------------------------------------------------------------------------------- +/* ----------------------------------------------------------------------------- Software License for The Fraunhofer FDK AAC Codec Library for Android -© Copyright 1995 - 2013 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. - All rights reserved. +© Copyright 1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten +Forschung e.V. All rights reserved. 1. INTRODUCTION -The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements -the MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio. -This FDK AAC Codec software is intended to be used on a wide variety of Android devices. - -AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual -audio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by -independent studies and is widely deployed. AAC has been standardized by ISO and IEC as part -of the MPEG specifications. - -Patent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer) -may be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners -individually for the purpose of encoding or decoding bit streams in products that are compliant with -the ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license -these patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec -software may already be covered under those patent licenses when it is used for those licensed purposes only. - -Commercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality, -are also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional -applications information and documentation. +The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software +that implements the MPEG Advanced Audio Coding ("AAC") encoding and decoding +scheme for digital audio. This FDK AAC Codec software is intended to be used on +a wide variety of Android devices. + +AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient +general perceptual audio codecs. AAC-ELD is considered the best-performing +full-bandwidth communications codec by independent studies and is widely +deployed. AAC has been standardized by ISO and IEC as part of the MPEG +specifications. + +Patent licenses for necessary patent claims for the FDK AAC Codec (including +those of Fraunhofer) may be obtained through Via Licensing +(www.vialicensing.com) or through the respective patent owners individually for +the purpose of encoding or decoding bit streams in products that are compliant +with the ISO/IEC MPEG audio standards. Please note that most manufacturers of +Android devices already license these patent claims through Via Licensing or +directly from the patent owners, and therefore FDK AAC Codec software may +already be covered under those patent licenses when it is used for those +licensed purposes only. + +Commercially-licensed AAC software libraries, including floating-point versions +with enhanced sound quality, are also available from Fraunhofer. Users are +encouraged to check the Fraunhofer website for additional applications +information and documentation. 2. COPYRIGHT LICENSE -Redistribution and use in source and binary forms, with or without modification, are permitted without -payment of copyright license fees provided that you satisfy the following conditions: +Redistribution and use in source and binary forms, with or without modification, +are permitted without payment of copyright license fees provided that you +satisfy the following conditions: -You must retain the complete text of this software license in redistributions of the FDK AAC Codec or -your modifications thereto in source code form. +You must retain the complete text of this software license in redistributions of +the FDK AAC Codec or your modifications thereto in source code form. -You must retain the complete text of this software license in the documentation and/or other materials -provided with redistributions of the FDK AAC Codec or your modifications thereto in binary form. -You must make available free of charge copies of the complete source code of the FDK AAC Codec and your +You must retain the complete text of this software license in the documentation +and/or other materials provided with redistributions of the FDK AAC Codec or +your modifications thereto in binary form. You must make available free of +charge copies of the complete source code of the FDK AAC Codec and your modifications thereto to recipients of copies in binary form. -The name of Fraunhofer may not be used to endorse or promote products derived from this library without -prior written permission. +The name of Fraunhofer may not be used to endorse or promote products derived +from this library without prior written permission. -You may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec -software or your modifications thereto. +You may not charge copyright license fees for anyone to use, copy or distribute +the FDK AAC Codec software or your modifications thereto. -Your modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software -and the date of any change. For modified versions of the FDK AAC Codec, the term -"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term -"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android." +Your modified versions of the FDK AAC Codec must carry prominent notices stating +that you changed the software and the date of any change. For modified versions +of the FDK AAC Codec, the term "Fraunhofer FDK AAC Codec Library for Android" +must be replaced by the term "Third-Party Modified Version of the Fraunhofer FDK +AAC Codec Library for Android." 3. NO PATENT LICENSE -NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer, -ARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with -respect to this software. +NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without +limitation the patents of Fraunhofer, ARE GRANTED BY THIS SOFTWARE LICENSE. +Fraunhofer provides no warranty of patent non-infringement with respect to this +software. -You may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized -by appropriate patent licenses. +You may use this FDK AAC Codec software or modifications thereto only for +purposes that are authorized by appropriate patent licenses. 4. DISCLAIMER -This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors -"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties -of merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR -CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages, -including but not limited to procurement of substitute goods or services; loss of use, data, or profits, -or business interruption, however caused and on any theory of liability, whether in contract, strict -liability, or tort (including negligence), arising in any way out of the use of this software, even if -advised of the possibility of such damage. +This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright +holders and contributors "AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, +including but not limited to the implied warranties of merchantability and +fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR +CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, +or consequential damages, including but not limited to procurement of substitute +goods or services; loss of use, data, or profits, or business interruption, +however caused and on any theory of liability, whether in contract, strict +liability, or tort (including negligence), arising in any way out of the use of +this software, even if advised of the possibility of such damage. 5. CONTACT INFORMATION @@ -79,20 +90,21 @@ Am Wolfsmantel 33 www.iis.fraunhofer.de/amm amm-info@iis.fraunhofer.de ------------------------------------------------------------------------------------------------------------ */ +----------------------------------------------------------------------------- */ + +/**************************** AAC encoder library ****************************** -/******************************** MPEG Audio Encoder ************************** + Author(s): M.Werner - Initial author: M.Werner - contents/description: Huffman Bitcounter & coder + Description: Huffman Bitcounter & coder -******************************************************************************/ +*******************************************************************************/ #include "bit_cnt.h" #include "aacEnc_ram.h" -#define HI_LTAB(a) (a>>16) +#define HI_LTAB(a) (a >> 16) #define LO_LTAB(a) (a & 0xffff) /***************************************************************************** @@ -106,72 +118,62 @@ amm-info@iis.fraunhofer.de *****************************************************************************/ -static void FDKaacEnc_count1_2_3_4_5_6_7_8_9_10_11(const SHORT *RESTRICT values, - const INT width, - INT *bitCount) -{ - +static void FDKaacEnc_count1_2_3_4_5_6_7_8_9_10_11(const SHORT *const values, + const INT width, + INT *RESTRICT 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); + 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; + + DWORD_ALIGNED(values); + + for (i = 0; i < width; i += 4) { + t0 = values[i + 0]; + t1 = values[i + 1]; + t2 = values[i + 2]; + t3 = values[i + 3]; + + bc1_2 += (INT)FDKaacEnc_huff_ltab1_2[t0 + 1][t1 + 1][t2 + 1][t3 + 1]; + bc5_6 += (INT)FDKaacEnc_huff_ltab5_6[t0 + 4][t1 + 4] + + (INT)FDKaacEnc_huff_ltab5_6[t2 + 4][t3 + 4]; + + t0 = fixp_abs(t0); + sc += (t0 > 0); + t1 = fixp_abs(t1); + sc += (t1 > 0); + t2 = fixp_abs(t2); + sc += (t2 > 0); + t3 = fixp_abs(t3); + sc += (t3 > 0); + + bc3_4 += (INT)FDKaacEnc_huff_ltab3_4[t0][t1][t2][t3]; + bc7_8 += (INT)FDKaacEnc_huff_ltab7_8[t0][t1] + + (INT)FDKaacEnc_huff_ltab7_8[t2][t3]; + bc9_10 += (INT)FDKaacEnc_huff_ltab9_10[t0][t1] + + (INT)FDKaacEnc_huff_ltab9_10[t2][t3]; + bc11 += + (INT)FDKaacEnc_huff_ltab11[t0][t1] + (INT)FDKaacEnc_huff_ltab11[t2][t3]; } - - 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; - + 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 @@ -182,66 +184,62 @@ static void FDKaacEnc_count1_2_3_4_5_6_7_8_9_10_11(const SHORT *RESTRICT values, *****************************************************************************/ -static void FDKaacEnc_count3_4_5_6_7_8_9_10_11(const SHORT *RESTRICT values, - const INT width, - INT *bitCount) -{ - +static void FDKaacEnc_count3_4_5_6_7_8_9_10_11(const SHORT *const values, + const INT width, + INT *RESTRICT 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); + 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; + + DWORD_ALIGNED(values); + + 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 += (INT)FDKaacEnc_huff_ltab5_6[t0 + 4][t1 + 4] + + (INT)FDKaacEnc_huff_ltab5_6[t2 + 4][t3 + 4]; + + t0 = fixp_abs(t0); + sc += (t0 > 0); + t1 = fixp_abs(t1); + sc += (t1 > 0); + t2 = fixp_abs(t2); + sc += (t2 > 0); + t3 = fixp_abs(t3); + sc += (t3 > 0); + + bc3_4 += (INT)FDKaacEnc_huff_ltab3_4[t0][t1][t2][t3]; + bc7_8 += (INT)FDKaacEnc_huff_ltab7_8[t0][t1] + + (INT)FDKaacEnc_huff_ltab7_8[t2][t3]; + bc9_10 += (INT)FDKaacEnc_huff_ltab9_10[t0][t1] + + (INT)FDKaacEnc_huff_ltab9_10[t2][t3]; + bc11 += + (INT)FDKaacEnc_huff_ltab11[t0][t1] + (INT)FDKaacEnc_huff_ltab11[t2][t3]; } - 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; + 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 @@ -252,52 +250,58 @@ static void FDKaacEnc_count3_4_5_6_7_8_9_10_11(const SHORT *RESTRICT values, *****************************************************************************/ - -static void FDKaacEnc_count5_6_7_8_9_10_11(const SHORT *RESTRICT values, - const INT width, - INT *bitCount) -{ - +static void FDKaacEnc_count5_6_7_8_9_10_11(const SHORT *const values, + const INT width, + INT *RESTRICT 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); + INT bc5_6, bc7_8, bc9_10, bc11, sc; + INT t0, t1, t2, t3; + bc5_6 = 0; + bc7_8 = 0; + bc9_10 = 0; + bc11 = 0; + sc = 0; + + DWORD_ALIGNED(values); + + 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 += (INT)FDKaacEnc_huff_ltab5_6[t0 + 4][t1 + 4] + + (INT)FDKaacEnc_huff_ltab5_6[t2 + 4][t3 + 4]; + + t0 = fixp_abs(t0); + sc += (t0 > 0); + t1 = fixp_abs(t1); + sc += (t1 > 0); + t2 = fixp_abs(t2); + sc += (t2 > 0); + t3 = fixp_abs(t3); + sc += (t3 > 0); + + bc7_8 += (INT)FDKaacEnc_huff_ltab7_8[t0][t1] + + (INT)FDKaacEnc_huff_ltab7_8[t2][t3]; + bc9_10 += (INT)FDKaacEnc_huff_ltab9_10[t0][t1] + + (INT)FDKaacEnc_huff_ltab9_10[t2][t3]; + bc11 += + (INT)FDKaacEnc_huff_ltab11[t0][t1] + (INT)FDKaacEnc_huff_ltab11[t2][t3]; } - 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; - + 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 @@ -308,42 +312,54 @@ static void FDKaacEnc_count5_6_7_8_9_10_11(const SHORT *RESTRICT values, *****************************************************************************/ -static void FDKaacEnc_count7_8_9_10_11(const SHORT *RESTRICT values, - const INT width, - INT *bitCount) -{ - +static void FDKaacEnc_count7_8_9_10_11(const SHORT *const values, + const INT width, + INT *RESTRICT 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); + INT bc7_8, bc9_10, bc11, sc; + INT t0, t1, t2, t3; + + bc7_8 = 0; + bc9_10 = 0; + bc11 = 0; + sc = 0; + + DWORD_ALIGNED(values); + + for (i = 0; i < width; i += 4) { + t0 = values[i + 0]; + t1 = values[i + 1]; + t2 = values[i + 2]; + t3 = values[i + 3]; + + t0 = fixp_abs(t0); + sc += (t0 > 0); + t1 = fixp_abs(t1); + sc += (t1 > 0); + t2 = fixp_abs(t2); + sc += (t2 > 0); + t3 = fixp_abs(t3); + sc += (t3 > 0); + + bc7_8 += (INT)FDKaacEnc_huff_ltab7_8[t0][t1] + + (INT)FDKaacEnc_huff_ltab7_8[t2][t3]; + bc9_10 += (INT)FDKaacEnc_huff_ltab9_10[t0][t1] + + (INT)FDKaacEnc_huff_ltab9_10[t2][t3]; + bc11 += + (INT)FDKaacEnc_huff_ltab11[t0][t1] + (INT)FDKaacEnc_huff_ltab11[t2][t3]; } - 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; - + 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; } /***************************************************************************** @@ -356,43 +372,50 @@ static void FDKaacEnc_count7_8_9_10_11(const SHORT *RESTRICT values, *****************************************************************************/ - - -static void FDKaacEnc_count9_10_11(const SHORT *RESTRICT values, - const INT width, - INT *bitCount) -{ - +static void FDKaacEnc_count9_10_11(const SHORT *const values, const INT width, + INT *RESTRICT 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); + INT bc9_10, bc11, sc; + INT t0, t1, t2, t3; + + bc9_10 = 0; + bc11 = 0; + sc = 0; + + DWORD_ALIGNED(values); + + for (i = 0; i < width; i += 4) { + t0 = values[i + 0]; + t1 = values[i + 1]; + t2 = values[i + 2]; + t3 = values[i + 3]; + + t0 = fixp_abs(t0); + sc += (t0 > 0); + t1 = fixp_abs(t1); + sc += (t1 > 0); + t2 = fixp_abs(t2); + sc += (t2 > 0); + t3 = fixp_abs(t3); + sc += (t3 > 0); + + bc9_10 += (INT)FDKaacEnc_huff_ltab9_10[t0][t1] + + (INT)FDKaacEnc_huff_ltab9_10[t2][t3]; + bc11 += + (INT)FDKaacEnc_huff_ltab11[t0][t1] + (INT)FDKaacEnc_huff_ltab11[t2][t3]; } - 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; - + 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; } /***************************************************************************** @@ -405,35 +428,47 @@ static void FDKaacEnc_count9_10_11(const SHORT *RESTRICT values, *****************************************************************************/ -static void FDKaacEnc_count11(const SHORT *RESTRICT values, - const INT width, - INT *bitCount) -{ - +static void FDKaacEnc_count11(const SHORT *const values, const INT width, + INT *RESTRICT 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); + INT bc11, sc; + INT t0, t1, t2, t3; + + bc11 = 0; + sc = 0; + + DWORD_ALIGNED(values); + + for (i = 0; i < width; i += 4) { + t0 = values[i + 0]; + t1 = values[i + 1]; + t2 = values[i + 2]; + t3 = values[i + 3]; + + t0 = fixp_abs(t0); + sc += (t0 > 0); + t1 = fixp_abs(t1); + sc += (t1 > 0); + t2 = fixp_abs(t2); + sc += (t2 > 0); + t3 = fixp_abs(t3); + sc += (t3 > 0); + + bc11 += + (INT)FDKaacEnc_huff_ltab11[t0][t1] + (INT)FDKaacEnc_huff_ltab11[t2][t3]; } - 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; + 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; } /***************************************************************************** @@ -446,677 +481,470 @@ static void FDKaacEnc_count11(const SHORT *RESTRICT values, *****************************************************************************/ -static void FDKaacEnc_countEsc(const SHORT *RESTRICT values, - const INT width, - INT *RESTRICT bitCount) -{ - +static void FDKaacEnc_countEsc(const SHORT *const 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; + 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; + if (t1 >= 16) { + ec += 5; + while ((t1 >>= 1) >= 16) ec += 2; } } - for (i=0; i<11; i++) - bitCount[i]=INVALID_BITCOUNT; + for (i = 0; i < 11; i++) bitCount[i] = INVALID_BITCOUNT; - bitCount[11]=bc11+sc+ec; + 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 */ +typedef void (*COUNT_FUNCTION)(const SHORT *const 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) -{ - +INT FDKaacEnc_bitCount(const SHORT *const values, const INT width, + const INT maxVal, INT *const RESTRICT 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); -} - + bitCount[0] = (maxVal == 0) ? 0 : INVALID_BITCOUNT; + countFuncTable[fixMin(maxVal, (INT)CODE_BOOK_ESC_LAV)](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++; +INT FDKaacEnc_countValues(SHORT *RESTRICT values, INT width, INT codeBook) { + INT i, t0, t1, t2, t3; + 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]; + bitCnt += + HI_LTAB(FDKaacEnc_huff_ltab1_2[t0 + 1][t1 + 1][t2 + 1][t3 + 1]); + } + 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]; + bitCnt += + LO_LTAB(FDKaacEnc_huff_ltab1_2[t0 + 1][t1 + 1][t2 + 1][t3 + 1]); + } + break; + + case CODE_BOOK_3_NO: + for (i = 0; i < width; i += 4) { + t0 = fixp_abs(values[i + 0]); + bitCnt += (t0 > 0); + t1 = fixp_abs(values[i + 1]); + bitCnt += (t1 > 0); + t2 = fixp_abs(values[i + 2]); + bitCnt += (t2 > 0); + t3 = fixp_abs(values[i + 3]); + bitCnt += (t3 > 0); + bitCnt += HI_LTAB(FDKaacEnc_huff_ltab3_4[t0][t1][t2][t3]); + } + break; + + case CODE_BOOK_4_NO: + for (i = 0; i < width; i += 4) { + t0 = fixp_abs(values[i + 0]); + bitCnt += (t0 > 0); + t1 = fixp_abs(values[i + 1]); + bitCnt += (t1 > 0); + t2 = fixp_abs(values[i + 2]); + bitCnt += (t2 > 0); + t3 = fixp_abs(values[i + 3]); + bitCnt += (t3 > 0); + bitCnt += LO_LTAB(FDKaacEnc_huff_ltab3_4[t0][t1][t2][t3]); + } + break; + + case CODE_BOOK_5_NO: + for (i = 0; i < width; i += 4) { + t0 = values[i + 0]; + t1 = values[i + 1]; + t2 = values[i + 2]; + t3 = values[i + 3]; + bitCnt += HI_LTAB(FDKaacEnc_huff_ltab5_6[t0 + 4][t1 + 4]) + + HI_LTAB(FDKaacEnc_huff_ltab5_6[t2 + 4][t3 + 4]); + } + break; + + case CODE_BOOK_6_NO: + for (i = 0; i < width; i += 4) { + t0 = values[i + 0]; + t1 = values[i + 1]; + t2 = values[i + 2]; + t3 = values[i + 3]; + bitCnt += LO_LTAB(FDKaacEnc_huff_ltab5_6[t0 + 4][t1 + 4]) + + LO_LTAB(FDKaacEnc_huff_ltab5_6[t2 + 4][t3 + 4]); + } + break; + + case CODE_BOOK_7_NO: + for (i = 0; i < width; i += 4) { + t0 = fixp_abs(values[i + 0]); + bitCnt += (t0 > 0); + t1 = fixp_abs(values[i + 1]); + bitCnt += (t1 > 0); + t2 = fixp_abs(values[i + 2]); + bitCnt += (t2 > 0); + t3 = fixp_abs(values[i + 3]); + bitCnt += (t3 > 0); + bitCnt += HI_LTAB(FDKaacEnc_huff_ltab7_8[t0][t1]) + + HI_LTAB(FDKaacEnc_huff_ltab7_8[t2][t3]); + } + break; + + case CODE_BOOK_8_NO: + for (i = 0; i < width; i += 4) { + t0 = fixp_abs(values[i + 0]); + bitCnt += (t0 > 0); + t1 = fixp_abs(values[i + 1]); + bitCnt += (t1 > 0); + t2 = fixp_abs(values[i + 2]); + bitCnt += (t2 > 0); + t3 = fixp_abs(values[i + 3]); + bitCnt += (t3 > 0); + bitCnt += LO_LTAB(FDKaacEnc_huff_ltab7_8[t0][t1]) + + LO_LTAB(FDKaacEnc_huff_ltab7_8[t2][t3]); + } + break; + + case CODE_BOOK_9_NO: + for (i = 0; i < width; i += 4) { + t0 = fixp_abs(values[i + 0]); + bitCnt += (t0 > 0); + t1 = fixp_abs(values[i + 1]); + bitCnt += (t1 > 0); + t2 = fixp_abs(values[i + 2]); + bitCnt += (t2 > 0); + t3 = fixp_abs(values[i + 3]); + bitCnt += (t3 > 0); + bitCnt += HI_LTAB(FDKaacEnc_huff_ltab9_10[t0][t1]) + + HI_LTAB(FDKaacEnc_huff_ltab9_10[t2][t3]); + } + break; + + case CODE_BOOK_10_NO: + for (i = 0; i < width; i += 4) { + t0 = fixp_abs(values[i + 0]); + bitCnt += (t0 > 0); + t1 = fixp_abs(values[i + 1]); + bitCnt += (t1 > 0); + t2 = fixp_abs(values[i + 2]); + bitCnt += (t2 > 0); + t3 = fixp_abs(values[i + 3]); + bitCnt += (t3 > 0); + bitCnt += LO_LTAB(FDKaacEnc_huff_ltab9_10[t0][t1]) + + LO_LTAB(FDKaacEnc_huff_ltab9_10[t2][t3]); + } + break; + + case CODE_BOOK_ESC_NO: + for (i = 0; i < width; i += 2) { + t0 = fixp_abs(values[i + 0]); + bitCnt += (t0 > 0); + t1 = fixp_abs(values[i + 1]); + bitCnt += (t1 > 0); + bitCnt += (INT)FDKaacEnc_huff_ltab11[fixMin(t0, 16)][fixMin(t1, 16)]; + if (t0 >= 16) { + bitCnt += 5; + while ((t0 >>= 1) >= 16) bitCnt += 2; } - bitCnt+=(n+5); - } - if(t1 >=16){ - INT n,p; - n=0; - p=t1; - while((p>>=1) >=16){ - bitCnt++; - n++; + if (t1 >= 16) { + bitCnt += 5; + while ((t1 >>= 1) >= 16) bitCnt += 2; } - bitCnt+=(n+5); } - } - break; + break; - default: - break; + default: + break; } - return(bitCnt); + 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); +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; + + DWORD_ALIGNED(values); + + 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 >> 2); i++) { + sign = 0; + signLength = 0; + int index[4]; + for (int j = 0; j < 4; j++) { + int ti = *values++; + int zero = (ti == 0) ? 0 : 1; + signLength += zero; + sign = (sign << zero) + ((UINT)ti >> 31); + index[j] = fixp_abs(ti); } - } - 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); + codeWord = FDKaacEnc_huff_ctab3[index[0]][index[1]][index[2]][index[3]]; + codeLength = HI_LTAB( + FDKaacEnc_huff_ltab3_4[index[0]][index[1]][index[2]][index[3]]); + FDKwriteBits(hBitstream, (codeWord << signLength) | sign, + codeLength + signLength); + } + break; + + case CODE_BOOK_4_NO: + for (i = 0; i < width; i += 4) { + sign = 0; + signLength = 0; + int index[4]; + for (int j = 0; j < 4; j++) { + int ti = *values++; + int zero = (ti == 0) ? 0 : 1; + signLength += zero; + sign = (sign << zero) + ((UINT)ti >> 31); + index[j] = fixp_abs(ti); } - } - t3 = values[i+3]; - if(t3 != 0){ - signLength++; - sign<<=1; - if(t3 < 0){ - sign|=1; - t3=fixp_abs(t3); + codeWord = FDKaacEnc_huff_ctab4[index[0]][index[1]][index[2]][index[3]]; + codeLength = LO_LTAB( + FDKaacEnc_huff_ltab3_4[index[0]][index[1]][index[2]][index[3]]); + FDKwriteBits(hBitstream, (codeWord << signLength) | sign, + codeLength + signLength); + } + break; + + case CODE_BOOK_5_NO: + for (i = 0; i < (width >> 2); i++) { + t0 = *values++ + 4; + t1 = *values++ + 4; + t2 = *values++ + 4; + t3 = *values++ + 4; + codeWord = FDKaacEnc_huff_ctab5[t0][t1]; + codeLength = + HI_LTAB(FDKaacEnc_huff_ltab5_6[t2][t3]); /* length of 2nd cw */ + codeWord = (codeWord << codeLength) + FDKaacEnc_huff_ctab5[t2][t3]; + codeLength += HI_LTAB(FDKaacEnc_huff_ltab5_6[t0][t1]); + FDKwriteBits(hBitstream, codeWord, codeLength); + } + break; + + case CODE_BOOK_6_NO: + for (i = 0; i < (width >> 2); i++) { + t0 = *values++ + 4; + t1 = *values++ + 4; + t2 = *values++ + 4; + t3 = *values++ + 4; + codeWord = FDKaacEnc_huff_ctab6[t0][t1]; + codeLength = + LO_LTAB(FDKaacEnc_huff_ltab5_6[t2][t3]); /* length of 2nd cw */ + codeWord = (codeWord << codeLength) + FDKaacEnc_huff_ctab6[t2][t3]; + codeLength += LO_LTAB(FDKaacEnc_huff_ltab5_6[t0][t1]); + FDKwriteBits(hBitstream, codeWord, codeLength); + } + break; + + case CODE_BOOK_7_NO: + for (i = 0; i < (width >> 1); i++) { + t0 = *values++; + sign = ((UINT)t0 >> 31); + t0 = fixp_abs(t0); + signLength = (t0 == 0) ? 0 : 1; + t1 = *values++; + INT zero = (t1 == 0) ? 0 : 1; + signLength += zero; + sign = (sign << zero) + ((UINT)t1 >> 31); + t1 = fixp_abs(t1); + codeWord = FDKaacEnc_huff_ctab7[t0][t1]; + codeLength = HI_LTAB(FDKaacEnc_huff_ltab7_8[t0][t1]); + FDKwriteBits(hBitstream, (codeWord << signLength) | sign, + codeLength + signLength); + } + break; + + case CODE_BOOK_8_NO: + for (i = 0; i < (width >> 1); i++) { + t0 = *values++; + sign = ((UINT)t0 >> 31); + t0 = fixp_abs(t0); + signLength = (t0 == 0) ? 0 : 1; + t1 = *values++; + INT zero = (t1 == 0) ? 0 : 1; + signLength += zero; + sign = (sign << zero) + ((UINT)t1 >> 31); + t1 = fixp_abs(t1); + codeWord = FDKaacEnc_huff_ctab8[t0][t1]; + codeLength = LO_LTAB(FDKaacEnc_huff_ltab7_8[t0][t1]); + FDKwriteBits(hBitstream, (codeWord << signLength) | sign, + codeLength + signLength); + } + break; + + case CODE_BOOK_9_NO: + for (i = 0; i < (width >> 1); i++) { + t0 = *values++; + sign = ((UINT)t0 >> 31); + t0 = fixp_abs(t0); + signLength = (t0 == 0) ? 0 : 1; + t1 = *values++; + INT zero = (t1 == 0) ? 0 : 1; + signLength += zero; + sign = (sign << zero) + ((UINT)t1 >> 31); + t1 = fixp_abs(t1); + codeWord = FDKaacEnc_huff_ctab9[t0][t1]; + codeLength = HI_LTAB(FDKaacEnc_huff_ltab9_10[t0][t1]); + FDKwriteBits(hBitstream, (codeWord << signLength) | sign, + codeLength + signLength); + } + break; + + case CODE_BOOK_10_NO: + for (i = 0; i < (width >> 1); i++) { + t0 = *values++; + sign = ((UINT)t0 >> 31); + t0 = fixp_abs(t0); + signLength = (t0 == 0) ? 0 : 1; + t1 = *values++; + INT zero = (t1 == 0) ? 0 : 1; + signLength += zero; + sign = (sign << zero) + ((UINT)t1 >> 31); + t1 = fixp_abs(t1); + codeWord = FDKaacEnc_huff_ctab10[t0][t1]; + codeLength = LO_LTAB(FDKaacEnc_huff_ltab9_10[t0][t1]); + FDKwriteBits(hBitstream, (codeWord << signLength) | sign, + codeLength + signLength); + } + break; + + case CODE_BOOK_ESC_NO: + for (i = 0; i < (width >> 1); i++) { + t0 = *values++; + sign = ((UINT)t0 >> 31); + t0 = fixp_abs(t0); + signLength = (t0 == 0) ? 0 : 1; + t1 = *values++; + INT zero = (t1 == 0) ? 0 : 1; + signLength += zero; + sign = (sign << zero) + ((UINT)t1 >> 31); + 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 << signLength) | sign, + codeLength + signLength); + for (int j = 0; j < 2; j++) { + if (t0 >= 16) { + INT n = 4, p = t0; + for (; (p >>= 1) >= 16;) n++; + FDKwriteBits(hBitstream, + (((1 << (n - 3)) - 2) << n) | (t0 - (1 << n)), + n + n - 3); + } + t0 = t1; } } + break; - 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; + default: + break; } - return(0); + return (0); } -INT FDKaacEnc_codeScalefactorDelta(INT delta, HANDLE_FDK_BITSTREAM hBitstream) -{ - INT codeWord,codeLength; +INT FDKaacEnc_codeScalefactorDelta(INT delta, HANDLE_FDK_BITSTREAM hBitstream) { + INT codeWord, codeLength; - if(fixp_abs(delta) >CODE_BOOK_SCF_LAV) - return(1); + 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); + 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); } - - - |