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-rw-r--r--media/libstagefright/codecs/aacdec/dct64.cpp569
1 files changed, 0 insertions, 569 deletions
diff --git a/media/libstagefright/codecs/aacdec/dct64.cpp b/media/libstagefright/codecs/aacdec/dct64.cpp
deleted file mode 100644
index a21a814..0000000
--- a/media/libstagefright/codecs/aacdec/dct64.cpp
+++ /dev/null
@@ -1,569 +0,0 @@
-/* ------------------------------------------------------------------
- * Copyright (C) 1998-2009 PacketVideo
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
- * express or implied.
- * See the License for the specific language governing permissions
- * and limitations under the License.
- * -------------------------------------------------------------------
- */
-/*
-
- Filename: dct64.c
-
-------------------------------------------------------------------------------
- REVISION HISTORY
-
-
- Who: Date: MM/DD/YYYY
- Description:
-
-------------------------------------------------------------------------------
- INPUT AND OUTPUT DEFINITIONS
-
- Int32 x 32-bit integer input length 64
-
-
-------------------------------------------------------------------------------
- FUNCTION DESCRIPTION
-
- Implement dct of lenght 64
-
-------------------------------------------------------------------------------
- REQUIREMENTS
-
-
-------------------------------------------------------------------------------
- REFERENCES
-
-------------------------------------------------------------------------------
- PSEUDO-CODE
-
-------------------------------------------------------------------------------
-*/
-
-
-/*----------------------------------------------------------------------------
-; INCLUDES
-----------------------------------------------------------------------------*/
-
-#ifdef AAC_PLUS
-
-
-#include "dct16.h"
-#include "dct64.h"
-
-#include "pv_audio_type_defs.h"
-#include "synthesis_sub_band.h"
-
-#include "fxp_mul32.h"
-
-
-/*----------------------------------------------------------------------------
-; MACROS
-; Define module specific macros here
-----------------------------------------------------------------------------*/
-
-
-/*----------------------------------------------------------------------------
-; DEFINES
-; Include all pre-processor statements here. Include conditional
-; compile variables also.
-----------------------------------------------------------------------------*/
-
-#define Qfmt(a) (Int32)(a*((Int32)1<<26) + (a>=0?0.5F:-0.5F))
-#define Qfmt31(a) (Int32)(a*0x7FFFFFFF)
-
-const Int32 CosTable_48[48] =
-{
- Qfmt31(0.50015063602065F) , Qfmt31(0.50135845244641F) ,
- Qfmt31(0.50378872568104F) , Qfmt31(0.50747117207256F) ,
- Qfmt31(0.51245147940822F) , Qfmt31(0.51879271310533F) ,
- Qfmt31(0.52657731515427F) , Qfmt31(0.53590981690799F) ,
- Qfmt31(0.54692043798551F) , Qfmt31(0.55976981294708F) ,
- Qfmt31(0.57465518403266F) , Qfmt31(0.59181853585742F) ,
- Qfmt31(0.61155734788251F) , Qfmt31(0.63423893668840F) ,
- Qfmt31(0.66031980781371F) , Qfmt31(0.69037212820021F) ,
- Qfmt31(0.72512052237720F) , Qfmt31(0.76549416497309F) ,
- Qfmt31(0.81270209081449F) , Qfmt31(0.86834471522335F) ,
- Qfmt(0.93458359703641F) , Qfmt(1.01440826499705F) ,
- Qfmt(1.11207162057972F) , Qfmt(1.23383273797657F) ,
- Qfmt(1.38929395863283F) , Qfmt(1.59397228338563F) ,
- Qfmt(1.87467598000841F) , Qfmt(2.28205006800516F) ,
- Qfmt(2.92462842815822F) , Qfmt(4.08461107812925F) ,
- Qfmt(6.79675071167363F) , Qfmt(20.37387816723145F) , /* 32 */
- Qfmt(0.50060299823520F) , Qfmt(0.50547095989754F) ,
- Qfmt(0.51544730992262F) , Qfmt(0.53104259108978F) ,
- Qfmt(0.55310389603444F) , Qfmt(0.58293496820613F) ,
- Qfmt(0.62250412303566F) , Qfmt(0.67480834145501F) ,
- Qfmt(0.74453627100230F) , Qfmt(0.83934964541553F) ,
- Qfmt(0.97256823786196F) , Qfmt(1.16943993343288F) ,
- Qfmt(1.48416461631417F) , Qfmt(2.05778100995341F) ,
- Qfmt(3.40760841846872F) , Qfmt(10.19000812354803F)
-};
-
-
-
-
-/*----------------------------------------------------------------------------
-; LOCAL FUNCTION DEFINITIONS
-; Function Prototype declaration
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; LOCAL STORE/BUFFER/POINTER DEFINITIONS
-; Variable declaration - defined here and used outside this module
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; EXTERNAL FUNCTION REFERENCES
-; Declare functions defined elsewhere and referenced in this module
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES
-; Declare variables used in this module but defined elsewhere
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; FUNCTION CODE
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; dct_64
-----------------------------------------------------------------------------*/
-
-void pv_split_LC(Int32 *vector,
- Int32 *temp_o)
-{
-
- Int32 i;
- Int32 *pt_vector = &vector[0];
- Int32 *pt_vector_N_1 = &vector[31];
- const Int32 *pt_cosTerms = &CosTable_48[32];
- Int32 *pt_temp_o = temp_o;
- Int32 tmp1;
- Int32 tmp2;
- Int32 tmp3;
-
-
- tmp1 = *(pt_vector);
- tmp2 = *(pt_vector_N_1--);
- for (i = 16; i != 0; i--)
- {
- tmp3 = *(pt_cosTerms++);
- *(pt_vector++) = tmp1 + tmp2;
- *(pt_temp_o++) = fxp_mul32_Q26((tmp1 - tmp2), tmp3);
- tmp1 = *(pt_vector);
- tmp2 = *(pt_vector_N_1--);
- }
-
-}
-
-
-#ifdef HQ_SBR
-
-
-void dct_64(Int32 vec[], Int32 *scratch_mem)
-{
- Int32 *temp_e1;
- Int32 *temp_o1;
-
- Int32 *pt_vec;
-
- Int i;
-
- Int32 aux1;
- Int32 aux2;
- Int32 aux3;
- Int32 aux4;
-
- const Int32 *cosTerms = &CosTable_48[31];
-
- temp_o1 = &vec[32];
- temp_e1 = temp_o1 - 1;
-
-
- for (i = 6; i != 0; i--)
- {
- aux1 = *(temp_e1);
- aux2 = *(temp_o1);
- aux3 = *(cosTerms--);
- *(temp_e1--) = aux1 + aux2;
- *(temp_o1++) = fxp_mul32_Q26((aux1 - aux2), aux3);
- aux1 = *(temp_e1);
- aux2 = *(temp_o1);
- aux3 = *(cosTerms--);
- *(temp_e1--) = aux1 + aux2;
- *(temp_o1++) = fxp_mul32_Q26((aux1 - aux2), aux3);
- }
-
-
- for (i = 10; i != 0; i--)
- {
- aux1 = *(temp_e1);
- aux2 = *(temp_o1);
- aux3 = *(cosTerms--);
- *(temp_e1--) = aux1 + aux2;
- *(temp_o1++) = fxp_mul32_Q31((aux1 - aux2), aux3) << 1;
- aux1 = *(temp_e1);
- aux2 = *(temp_o1);
- aux3 = *(cosTerms--);
- *(temp_e1--) = aux1 + aux2;
- *(temp_o1++) = fxp_mul32_Q31((aux1 - aux2), aux3) << 1;
- }
-
-
- pv_split(&vec[16]);
-
- dct_16(&vec[16], 0);
- dct_16(vec, 1); // Even terms
-
- pv_merge_in_place_N32(vec);
-
- pv_split_z(&vec[32]);
-
- dct_16(&vec[32], 1); // Even terms
- dct_16(&vec[48], 0);
-
- pv_merge_in_place_N32(&vec[32]);
-
-
-
- aux1 = vec[32];
- aux3 = vec[33];
- aux4 = vec[ 1]; /* vec[ 1] */
-
- /* -----------------------------------*/
- aux1 = vec[32] + vec[33];
- vec[ 0] += aux1;
- vec[ 1] += aux1;
-
- aux1 = vec[34];
- aux2 = vec[ 2]; /* vec[ 2] */
- aux3 += aux1;
- vec[ 2] = aux4 + aux3;
- aux4 = vec[ 3]; /* vec[ 3] */
- vec[ 3] = aux2 + aux3;
-
- aux3 = vec[35];
-
- /* -----------------------------------*/
- aux1 += aux3;
- vec[32] = vec[ 4];
- vec[33] = vec[ 5];
- vec[ 4] = aux2 + aux1;
- vec[ 5] = aux4 + aux1;
-
- aux1 = vec[36];
- aux2 = vec[32]; /* vec[ 4] */
- aux3 += aux1;
- vec[34] = vec[ 6];
- vec[35] = vec[ 7];
- vec[ 6] = aux4 + aux3;
- vec[ 7] = aux2 + aux3;
-
- aux3 = vec[37];
- aux4 = vec[33]; /* vec[ 5] */
-
- /* -----------------------------------*/
- aux1 += aux3;
- vec[32] = vec[ 8];
- vec[33] = vec[ 9];
- vec[ 8] = aux2 + aux1;
- vec[ 9] = aux4 + aux1;
-
- aux1 = vec[38];
- aux2 = vec[34]; /* vec[ 6] */
- aux3 += aux1;
- vec[34] = vec[10];
- vec[10] = aux4 + aux3;
- aux4 = vec[35]; /* vec[ 7] */
- vec[35] = vec[11];
- vec[11] = aux2 + aux3;
-
- aux3 = vec[39];
-
- /* -----------------------------------*/
- aux1 += aux3;
- vec[36] = vec[12];
- vec[37] = vec[13];
- vec[12] = aux2 + aux1;
- vec[13] = aux4 + aux1;
-
- aux1 = vec[40];
- aux2 = vec[32]; /* vec[ 8] */
- aux3 += aux1;
- vec[32] = vec[14];
- vec[14] = aux4 + aux3;
- aux4 = vec[33]; /* vec[ 9] */
- vec[33] = vec[15];
- vec[15] = aux2 + aux3;
-
- aux3 = vec[41];
-
- /* -----------------------------------*/
- aux1 += aux3;
- vec[38] = vec[16];
- vec[39] = vec[17];
- vec[16] = aux2 + aux1;
- vec[17] = aux4 + aux1;
-
- aux1 = vec[42];
- aux2 = vec[34]; /* vec[10] */
- aux3 += aux1;
- vec[34] = vec[18];
- vec[18] = aux4 + aux3;
- aux4 = vec[35]; /* vec[11] */
- vec[35] = vec[19];
- vec[19] = aux2 + aux3;
-
- aux3 = vec[43];
-
- /* -----------------------------------*/
- aux1 += aux3;
- vec[40] = vec[20];
- vec[41] = vec[21];
- vec[20] = aux2 + aux1;
- vec[21] = aux4 + aux1;
-
- aux1 = vec[44];
- aux2 = vec[36]; /* vec[12] */
- aux3 += aux1;
- vec[42] = vec[22];
- vec[43] = vec[23];
- vec[22] = aux4 + aux3;
- vec[23] = aux2 + aux3;
-
- aux3 = vec[45];
- aux4 = vec[37]; /* vec[13] */
-
- /* -----------------------------------*/
-
-
- scratch_mem[0] = vec[24];
- scratch_mem[1] = vec[25];
- aux1 += aux3;
- vec[24] = aux2 + aux1;
- vec[25] = aux4 + aux1;
-
- aux1 = vec[46];
- aux2 = vec[32]; /* vec[14] */
- scratch_mem[2] = vec[26];
- scratch_mem[3] = vec[27];
- aux3 += aux1;
- vec[26] = aux4 + aux3;
- vec[27] = aux2 + aux3;
-
- aux3 = vec[47];
- aux4 = vec[33]; /* vec[15] */
-
- /* -----------------------------------*/
- scratch_mem[4] = vec[28];
- scratch_mem[5] = vec[29];
- aux1 += aux3;
- vec[28] = aux2 + aux1;
- vec[29] = aux4 + aux1;
-
- aux1 = vec[48];
- aux2 = vec[38]; /* vec[16] */
- scratch_mem[6] = vec[30];
- scratch_mem[7] = vec[31];
- aux3 += aux1;
- vec[30] = aux4 + aux3;
- vec[31] = aux2 + aux3;
-
- aux3 = vec[49];
- aux4 = vec[39]; /* vec[17] */
-
- /* -----------------------------------*/
- aux1 += aux3;
- vec[32] = aux2 + aux1;
- vec[33] = aux4 + aux1;
-
- aux1 = vec[50];
- aux2 = vec[34]; /* vec[18] */
- aux3 += aux1;
- vec[34] = aux4 + aux3;
- aux4 = vec[35]; /* vec[19] */
- vec[35] = aux2 + aux3;
-
- aux3 = vec[51];
-
-
- /* -----------------------------------*/
- aux1 += aux3;
- vec[36] = aux2 + aux1;
- vec[37] = aux4 + aux1;
-
- aux1 = vec[52];
- aux2 = vec[40]; /* vec[20] */
- aux3 += aux1;
- vec[38] = aux4 + aux3;
- vec[39] = aux2 + aux3;
-
- aux3 = vec[53];
- aux4 = vec[41]; /* vec[21] */
-
- /* -----------------------------------*/
- aux1 += aux3;
- vec[40] = aux2 + aux1;
- vec[41] = aux4 + aux1;
-
- aux1 = vec[54];
- aux2 = vec[42]; /* vec[22] */
- aux3 += aux1;
- vec[42] = aux4 + aux3;
- aux4 = vec[43]; /* vec[23] */
- vec[43] = aux2 + aux3;
-
- aux3 = vec[55];
-
- /* -----------------------------------*/
-
- pt_vec = &vec[44];
- temp_o1 = &vec[56];
- temp_e1 = &scratch_mem[0];
-
- for (i = 4; i != 0; i--)
- {
- aux1 += aux3;
- *(pt_vec++) = aux2 + aux1;
- *(pt_vec++) = aux4 + aux1;
-
- aux1 = *(temp_o1++);
- aux3 += aux1;
- aux2 = *(temp_e1++);
- *(pt_vec++) = aux4 + aux3;
- *(pt_vec++) = aux2 + aux3;
-
- aux3 = *(temp_o1++);
- aux4 = *(temp_e1++);
- }
-
- aux1 += aux3;
- vec[60] = aux2 + aux1;
- vec[61] = aux4 + aux1;
- vec[62] = aux4 + aux3;
-
-}
-
-
-#endif
-
-/*----------------------------------------------------------------------------
-; pv_split
-----------------------------------------------------------------------------*/
-
-
-void pv_split(Int32 *temp_o)
-{
-
- Int32 i;
- const Int32 *pt_cosTerms = &CosTable_48[47];
- Int32 *pt_temp_o = temp_o;
- Int32 *pt_temp_e = pt_temp_o - 1;
- Int32 tmp1;
- Int32 tmp2;
- Int32 cosx;
-
- for (i = 8; i != 0; i--)
- {
- tmp2 = *(pt_temp_o);
- tmp1 = *(pt_temp_e);
- cosx = *(pt_cosTerms--);
- *(pt_temp_e--) = tmp1 + tmp2;
- *(pt_temp_o++) = fxp_mul32_Q26((tmp1 - tmp2), cosx);
- tmp1 = *(pt_temp_e);
- tmp2 = *(pt_temp_o);
- cosx = *(pt_cosTerms--);
- *(pt_temp_e--) = tmp1 + tmp2;
- *(pt_temp_o++) = fxp_mul32_Q26((tmp1 - tmp2), cosx);
- }
-}
-
-
-
-void pv_split_z(Int32 *vector)
-{
- Int32 i;
- Int32 *pt_vector = &vector[31];
- const Int32 *pt_cosTerms = &CosTable_48[32];
- Int32 *pt_temp_e = vector;
- Int32 tmp1;
- Int32 tmp2;
- Int32 cosx;
-
- for (i = 8; i != 0; i--)
- {
- tmp1 = *(pt_vector);
- tmp2 = *(pt_temp_e);
- cosx = *(pt_cosTerms++);
- *(pt_temp_e++) = tmp1 + tmp2;
- *(pt_vector--) = fxp_mul32_Q26((tmp1 - tmp2), cosx);
- tmp2 = *(pt_temp_e);
- tmp1 = *(pt_vector);
- cosx = *(pt_cosTerms++);
- *(pt_temp_e++) = tmp1 + tmp2;
- *(pt_vector--) = fxp_mul32_Q26((tmp1 - tmp2), cosx);
- }
-}
-
-
-void pv_merge_in_place_N32(Int32 vec[])
-{
-
- Int32 temp[4];
-
- temp[0] = vec[14];
- vec[14] = vec[ 7];
- temp[1] = vec[12];
- vec[12] = vec[ 6];
- temp[2] = vec[10];
- vec[10] = vec[ 5];
- temp[3] = vec[ 8];
- vec[ 8] = vec[ 4];
- vec[ 6] = vec[ 3];
- vec[ 4] = vec[ 2];
- vec[ 2] = vec[ 1];
-
- vec[ 1] = vec[16] + vec[17];
- vec[16] = temp[3];
- vec[ 3] = vec[18] + vec[17];
- vec[ 5] = vec[19] + vec[18];
- vec[18] = vec[9];
- temp[3] = vec[11];
-
- vec[ 7] = vec[20] + vec[19];
- vec[ 9] = vec[21] + vec[20];
- vec[20] = temp[2];
- temp[2] = vec[13];
- vec[11] = vec[22] + vec[21];
- vec[13] = vec[23] + vec[22];
- vec[22] = temp[3];
- temp[3] = vec[15];
- vec[15] = vec[24] + vec[23];
- vec[17] = vec[25] + vec[24];
- vec[19] = vec[26] + vec[25];
- vec[21] = vec[27] + vec[26];
- vec[23] = vec[28] + vec[27];
- vec[25] = vec[29] + vec[28];
- vec[27] = vec[30] + vec[29];
- vec[29] = vec[30] + vec[31];
- vec[24] = temp[1];
- vec[26] = temp[2];
- vec[28] = temp[0];
- vec[30] = temp[3];
-}
-
-#endif
-
-
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