LCOV - code coverage report
Current view: top level - src/libavcodec - aacpsdsp_template.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 95 124 76.6 %
Date: 2017-03-25 17:02:41 Functions: 9 10 90.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com>
       3             :  *
       4             :  * This file is part of FFmpeg.
       5             :  *
       6             :  * FFmpeg is free software; you can redistribute it and/or
       7             :  * modify it under the terms of the GNU Lesser General Public
       8             :  * License as published by the Free Software Foundation; either
       9             :  * version 2.1 of the License, or (at your option) any later version.
      10             :  *
      11             :  * FFmpeg is distributed in the hope that it will be useful,
      12             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14             :  * Lesser General Public License for more details.
      15             :  *
      16             :  * You should have received a copy of the GNU Lesser General Public
      17             :  * License along with FFmpeg; if not, write to the Free Software
      18             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      19             :  *
      20             :  * Note: Rounding-to-nearest used unless otherwise stated
      21             :  *
      22             :  */
      23             : #include <stdint.h>
      24             : 
      25             : #include "config.h"
      26             : #include "libavutil/attributes.h"
      27             : #include "aacpsdsp.h"
      28             : 
      29      113013 : static void ps_add_squares_c(INTFLOAT *dst, const INTFLOAT (*src)[2], int n)
      30             : {
      31             :     int i;
      32     3729429 :     for (i = 0; i < n; i++)
      33     3616416 :         dst[i] += AAC_MADD28(src[i][0], src[i][0], src[i][1], src[i][1]);
      34      113013 : }
      35             : 
      36       64083 : static void ps_mul_pair_single_c(INTFLOAT (*dst)[2], INTFLOAT (*src0)[2], INTFLOAT *src1,
      37             :                                  int n)
      38             : {
      39             :     int i;
      40     2114739 :     for (i = 0; i < n; i++) {
      41     2050656 :         dst[i][0] = AAC_MUL16(src0[i][0], src1[i]);
      42     2050656 :         dst[i][1] = AAC_MUL16(src0[i][1], src1[i]);
      43             :     }
      44       64083 : }
      45             : 
      46       63072 : static void ps_hybrid_analysis_c(INTFLOAT (*out)[2], INTFLOAT (*in)[2],
      47             :                                  const INTFLOAT (*filter)[8][2],
      48             :                                  int stride, int n)
      49             : {
      50             :     int i, j;
      51             : 
      52      541536 :     for (i = 0; i < n; i++) {
      53      478464 :         INT64FLOAT sum_re = (INT64FLOAT)filter[i][6][0] * in[6][0];
      54      478464 :         INT64FLOAT sum_im = (INT64FLOAT)filter[i][6][0] * in[6][1];
      55             : 
      56     3349248 :         for (j = 0; j < 6; j++) {
      57     2870784 :             INTFLOAT in0_re = in[j][0];
      58     2870784 :             INTFLOAT in0_im = in[j][1];
      59     2870784 :             INTFLOAT in1_re = in[12-j][0];
      60     2870784 :             INTFLOAT in1_im = in[12-j][1];
      61     5741568 :             sum_re += (INT64FLOAT)filter[i][j][0] * (in0_re + in1_re) -
      62     2870784 :                       (INT64FLOAT)filter[i][j][1] * (in0_im - in1_im);
      63     5741568 :             sum_im += (INT64FLOAT)filter[i][j][0] * (in0_im + in1_im) +
      64     2870784 :                       (INT64FLOAT)filter[i][j][1] * (in0_re - in1_re);
      65             :         }
      66             : #if USE_FIXED
      67           0 :         out[i * stride][0] = (int)((sum_re + 0x40000000) >> 31);
      68           0 :         out[i * stride][1] = (int)((sum_im + 0x40000000) >> 31);
      69             : #else
      70      478464 :         out[i * stride][0] = sum_re;
      71      478464 :         out[i * stride][1] = sum_im;
      72             : #endif /* USE_FIXED */
      73             :     }
      74       63072 : }
      75        1563 : static void ps_hybrid_analysis_ileave_c(INTFLOAT (*out)[32][2], INTFLOAT L[2][38][64],
      76             :                                       int i, int len)
      77             : {
      78             :     int j;
      79             : 
      80       96702 :     for (; i < 64; i++) {
      81     3139587 :         for (j = 0; j < len; j++) {
      82     3044448 :             out[i][j][0] = L[0][j][i];
      83     3044448 :             out[i][j][1] = L[1][j][i];
      84             :         }
      85             :     }
      86        1563 : }
      87             : 
      88        3126 : static void ps_hybrid_synthesis_deint_c(INTFLOAT out[2][38][64],
      89             :                                       INTFLOAT (*in)[32][2],
      90             :                                       int i, int len)
      91             : {
      92             :     int n;
      93             : 
      94      193404 :     for (; i < 64; i++) {
      95     6279174 :         for (n = 0; n < len; n++) {
      96     6088896 :             out[0][n][i] = in[i][n][0];
      97     6088896 :             out[1][n][i] = in[i][n][1];
      98             :         }
      99             :     }
     100        3126 : }
     101             : 
     102       48930 : static void ps_decorrelate_c(INTFLOAT (*out)[2], INTFLOAT (*delay)[2],
     103             :                              INTFLOAT (*ap_delay)[PS_QMF_TIME_SLOTS + PS_MAX_AP_DELAY][2],
     104             :                              const INTFLOAT phi_fract[2], const INTFLOAT (*Q_fract)[2],
     105             :                              const INTFLOAT *transient_gain,
     106             :                              INTFLOAT g_decay_slope,
     107             :                              int len)
     108             : {
     109             :     static const INTFLOAT a[] = { Q31(0.65143905753106f),
     110             :                                Q31(0.56471812200776f),
     111             :                                Q31(0.48954165955695f) };
     112             :     INTFLOAT ag[PS_AP_LINKS];
     113             :     int m, n;
     114             : 
     115      195720 :     for (m = 0; m < PS_AP_LINKS; m++)
     116      146790 :         ag[m] = AAC_MUL30(a[m], g_decay_slope);
     117             : 
     118     1614690 :     for (n = 0; n < len; n++) {
     119     1565760 :         INTFLOAT in_re = AAC_MSUB30(delay[n][0], phi_fract[0], delay[n][1], phi_fract[1]);
     120     1565760 :         INTFLOAT in_im = AAC_MADD30(delay[n][0], phi_fract[1], delay[n][1], phi_fract[0]);
     121     6263040 :         for (m = 0; m < PS_AP_LINKS; m++) {
     122     4697280 :             INTFLOAT a_re                = AAC_MUL31(ag[m], in_re);
     123     4697280 :             INTFLOAT a_im                = AAC_MUL31(ag[m], in_im);
     124     4697280 :             INTFLOAT link_delay_re       = ap_delay[m][n+2-m][0];
     125     4697280 :             INTFLOAT link_delay_im       = ap_delay[m][n+2-m][1];
     126     4697280 :             INTFLOAT fractional_delay_re = Q_fract[m][0];
     127     4697280 :             INTFLOAT fractional_delay_im = Q_fract[m][1];
     128     4697280 :             INTFLOAT apd_re = in_re;
     129     4697280 :             INTFLOAT apd_im = in_im;
     130     4697280 :             in_re = AAC_MSUB30(link_delay_re, fractional_delay_re,
     131             :                     link_delay_im, fractional_delay_im);
     132     4697280 :             in_re -= a_re;
     133     4697280 :             in_im = AAC_MADD30(link_delay_re, fractional_delay_im,
     134             :                     link_delay_im, fractional_delay_re);
     135     4697280 :             in_im -= a_im;
     136     4697280 :             ap_delay[m][n+5][0] = apd_re + AAC_MUL31(ag[m], in_re);
     137     4697280 :             ap_delay[m][n+5][1] = apd_im + AAC_MUL31(ag[m], in_im);
     138             :         }
     139     1565760 :         out[n][0] = AAC_MUL16(transient_gain[n], in_re);
     140     1565760 :         out[n][1] = AAC_MUL16(transient_gain[n], in_im);
     141             :     }
     142       48930 : }
     143             : 
     144      141039 : static void ps_stereo_interpolate_c(INTFLOAT (*l)[2], INTFLOAT (*r)[2],
     145             :                                     INTFLOAT h[2][4], INTFLOAT h_step[2][4],
     146             :                                     int len)
     147             : {
     148      141039 :     INTFLOAT h0 = h[0][0];
     149      141039 :     INTFLOAT h1 = h[0][1];
     150      141039 :     INTFLOAT h2 = h[0][2];
     151      141039 :     INTFLOAT h3 = h[0][3];
     152      141039 :     INTFLOAT hs0 = h_step[0][0];
     153      141039 :     INTFLOAT hs1 = h_step[0][1];
     154      141039 :     INTFLOAT hs2 = h_step[0][2];
     155      141039 :     INTFLOAT hs3 = h_step[0][3];
     156             :     int n;
     157             : 
     158     3757455 :     for (n = 0; n < len; n++) {
     159             :         //l is s, r is d
     160     3616416 :         INTFLOAT l_re = l[n][0];
     161     3616416 :         INTFLOAT l_im = l[n][1];
     162     3616416 :         INTFLOAT r_re = r[n][0];
     163     3616416 :         INTFLOAT r_im = r[n][1];
     164     3616416 :         h0 += hs0;
     165     3616416 :         h1 += hs1;
     166     3616416 :         h2 += hs2;
     167     3616416 :         h3 += hs3;
     168     3616416 :         l[n][0] = AAC_MADD30(h0,  l_re,  h2, r_re);
     169     3616416 :         l[n][1] = AAC_MADD30(h0,  l_im,  h2,  r_im);
     170     3616416 :         r[n][0] = AAC_MADD30(h1,  l_re,  h3,  r_re);
     171     3616416 :         r[n][1] = AAC_MADD30(h1,  l_im,  h3,  r_im);
     172             :     }
     173      141039 : }
     174             : 
     175           0 : static void ps_stereo_interpolate_ipdopd_c(INTFLOAT (*l)[2], INTFLOAT (*r)[2],
     176             :                                            INTFLOAT h[2][4], INTFLOAT h_step[2][4],
     177             :                                            int len)
     178             : {
     179           0 :     INTFLOAT h00  = h[0][0],      h10  = h[1][0];
     180           0 :     INTFLOAT h01  = h[0][1],      h11  = h[1][1];
     181           0 :     INTFLOAT h02  = h[0][2],      h12  = h[1][2];
     182           0 :     INTFLOAT h03  = h[0][3],      h13  = h[1][3];
     183           0 :     INTFLOAT hs00 = h_step[0][0], hs10 = h_step[1][0];
     184           0 :     INTFLOAT hs01 = h_step[0][1], hs11 = h_step[1][1];
     185           0 :     INTFLOAT hs02 = h_step[0][2], hs12 = h_step[1][2];
     186           0 :     INTFLOAT hs03 = h_step[0][3], hs13 = h_step[1][3];
     187             :     int n;
     188             : 
     189           0 :     for (n = 0; n < len; n++) {
     190             :         //l is s, r is d
     191           0 :         INTFLOAT l_re = l[n][0];
     192           0 :         INTFLOAT l_im = l[n][1];
     193           0 :         INTFLOAT r_re = r[n][0];
     194           0 :         INTFLOAT r_im = r[n][1];
     195           0 :         h00 += hs00;
     196           0 :         h01 += hs01;
     197           0 :         h02 += hs02;
     198           0 :         h03 += hs03;
     199           0 :         h10 += hs10;
     200           0 :         h11 += hs11;
     201           0 :         h12 += hs12;
     202           0 :         h13 += hs13;
     203             : 
     204           0 :         l[n][0] = AAC_MSUB30_V8(h00, l_re, h02, r_re, h10, l_im, h12, r_im);
     205           0 :         l[n][1] = AAC_MADD30_V8(h00, l_im, h02, r_im, h10, l_re, h12, r_re);
     206           0 :         r[n][0] = AAC_MSUB30_V8(h01, l_re, h03, r_re, h11, l_im, h13, r_im);
     207           0 :         r[n][1] = AAC_MADD30_V8(h01, l_im, h03, r_im, h11, l_re, h13, r_re);
     208             :     }
     209           0 : }
     210             : 
     211         330 : av_cold void AAC_RENAME(ff_psdsp_init)(PSDSPContext *s)
     212             : {
     213         330 :     s->add_squares            = ps_add_squares_c;
     214         330 :     s->mul_pair_single        = ps_mul_pair_single_c;
     215         330 :     s->hybrid_analysis        = ps_hybrid_analysis_c;
     216         330 :     s->hybrid_analysis_ileave = ps_hybrid_analysis_ileave_c;
     217         330 :     s->hybrid_synthesis_deint = ps_hybrid_synthesis_deint_c;
     218         330 :     s->decorrelate            = ps_decorrelate_c;
     219         330 :     s->stereo_interpolate[0]  = ps_stereo_interpolate_c;
     220         330 :     s->stereo_interpolate[1]  = ps_stereo_interpolate_ipdopd_c;
     221             : 
     222             : #if !USE_FIXED
     223             :     if (ARCH_ARM)
     224             :         ff_psdsp_init_arm(s);
     225             :     if (ARCH_MIPS)
     226             :         ff_psdsp_init_mips(s);
     227             :     if (ARCH_X86)
     228         301 :         ff_psdsp_init_x86(s);
     229             : #endif /* !USE_FIXED */
     230         330 : }

Generated by: LCOV version 1.13