LCOV - code coverage report
Current view: top level - libavcodec/x86 - flacdsp_init.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 44 45 97.8 %
Date: 2017-12-17 23:02:56 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2014 James Almer
       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             : 
      21             : #include "libavcodec/flacdsp.h"
      22             : #include "libavutil/x86/cpu.h"
      23             : #include "config.h"
      24             : 
      25             : void ff_flac_lpc_32_sse4(int32_t *samples, const int coeffs[32], int order,
      26             :                          int qlevel, int len);
      27             : void ff_flac_lpc_32_xop(int32_t *samples, const int coeffs[32], int order,
      28             :                         int qlevel, int len);
      29             : 
      30             : void ff_flac_enc_lpc_16_sse4(int32_t *, const int32_t *, int, int, const int32_t *,int);
      31             : 
      32             : #define DECORRELATE_FUNCS(fmt, opt)                                                      \
      33             : void ff_flac_decorrelate_ls_##fmt##_##opt(uint8_t **out, int32_t **in, int channels,     \
      34             :                                           int len, int shift);                           \
      35             : void ff_flac_decorrelate_rs_##fmt##_##opt(uint8_t **out, int32_t **in, int channels,     \
      36             :                                           int len, int shift);                           \
      37             : void ff_flac_decorrelate_ms_##fmt##_##opt(uint8_t **out, int32_t **in, int channels,     \
      38             :                                           int len, int shift);                           \
      39             : void ff_flac_decorrelate_indep2_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
      40             :                                              int len, int shift);                        \
      41             : void ff_flac_decorrelate_indep4_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
      42             :                                               int len, int shift);                       \
      43             : void ff_flac_decorrelate_indep6_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
      44             :                                               int len, int shift);                       \
      45             : void ff_flac_decorrelate_indep8_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
      46             :                                               int len, int shift)
      47             : 
      48             : DECORRELATE_FUNCS(16, sse2);
      49             : DECORRELATE_FUNCS(16,  avx);
      50             : DECORRELATE_FUNCS(32, sse2);
      51             : DECORRELATE_FUNCS(32,  avx);
      52             : 
      53        5879 : av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int channels,
      54             :                                  int bps)
      55             : {
      56             : #if HAVE_X86ASM
      57        5879 :     int cpu_flags = av_get_cpu_flags();
      58             : 
      59             : #if CONFIG_FLAC_DECODER
      60        5879 :     if (EXTERNAL_SSE2(cpu_flags)) {
      61        3615 :         if (fmt == AV_SAMPLE_FMT_S16) {
      62        3276 :             if (channels == 2)
      63        1640 :                 c->decorrelate[0] = ff_flac_decorrelate_indep2_16_sse2;
      64        1636 :             else if (channels == 4)
      65           9 :                 c->decorrelate[0] = ff_flac_decorrelate_indep4_16_sse2;
      66        1627 :             else if (channels == 6)
      67         813 :                 c->decorrelate[0] = ff_flac_decorrelate_indep6_16_sse2;
      68         814 :             else if (ARCH_X86_64 && channels == 8)
      69           9 :                 c->decorrelate[0] = ff_flac_decorrelate_indep8_16_sse2;
      70        3276 :             c->decorrelate[1] = ff_flac_decorrelate_ls_16_sse2;
      71        3276 :             c->decorrelate[2] = ff_flac_decorrelate_rs_16_sse2;
      72        3276 :             c->decorrelate[3] = ff_flac_decorrelate_ms_16_sse2;
      73         339 :         } else if (fmt == AV_SAMPLE_FMT_S32) {
      74         339 :             if (channels == 2)
      75         312 :                 c->decorrelate[0] = ff_flac_decorrelate_indep2_32_sse2;
      76          27 :             else if (channels == 4)
      77           9 :                 c->decorrelate[0] = ff_flac_decorrelate_indep4_32_sse2;
      78          18 :             else if (channels == 6)
      79           9 :                 c->decorrelate[0] = ff_flac_decorrelate_indep6_32_sse2;
      80           9 :             else if (ARCH_X86_64 && channels == 8)
      81           9 :                 c->decorrelate[0] = ff_flac_decorrelate_indep8_32_sse2;
      82         339 :             c->decorrelate[1] = ff_flac_decorrelate_ls_32_sse2;
      83         339 :             c->decorrelate[2] = ff_flac_decorrelate_rs_32_sse2;
      84         339 :             c->decorrelate[3] = ff_flac_decorrelate_ms_32_sse2;
      85             :         }
      86             :     }
      87        5879 :     if (EXTERNAL_SSE4(cpu_flags)) {
      88        3585 :         c->lpc32 = ff_flac_lpc_32_sse4;
      89             :     }
      90        5879 :     if (EXTERNAL_AVX(cpu_flags)) {
      91        3555 :         if (fmt == AV_SAMPLE_FMT_S16) {
      92        3246 :             if (ARCH_X86_64 && channels == 8)
      93           3 :                 c->decorrelate[0] = ff_flac_decorrelate_indep8_16_avx;
      94         309 :         } else if (fmt == AV_SAMPLE_FMT_S32) {
      95         309 :             if (channels == 4)
      96           3 :                 c->decorrelate[0] = ff_flac_decorrelate_indep4_32_avx;
      97         306 :             else if (channels == 6)
      98           3 :                 c->decorrelate[0] = ff_flac_decorrelate_indep6_32_avx;
      99         303 :             else if (ARCH_X86_64 && channels == 8)
     100           3 :                 c->decorrelate[0] = ff_flac_decorrelate_indep8_32_avx;
     101             :         }
     102             :     }
     103        5879 :     if (EXTERNAL_XOP(cpu_flags)) {
     104           0 :         c->lpc32 = ff_flac_lpc_32_xop;
     105             :     }
     106             : #endif
     107             : 
     108             : #if CONFIG_FLAC_ENCODER
     109        5879 :     if (EXTERNAL_SSE4(cpu_flags)) {
     110             :         if (CONFIG_GPL)
     111        3585 :             c->lpc16_encode = ff_flac_enc_lpc_16_sse4;
     112             :     }
     113             : #endif
     114             : #endif /* HAVE_X86ASM */
     115        5879 : }

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