ffmpeg/libavcodec/x86/flacdsp_init.c

   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 av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int channels,
  54                                  int bps)
  55 {
  56 #if HAVE_YASM
  57     int cpu_flags = av_get_cpu_flags();
  58
  59 #if CONFIG_FLAC_DECODER
  60     if (EXTERNAL_SSE2(cpu_flags)) {
  61         if (fmt == AV_SAMPLE_FMT_S16) {
  62             if (channels == 2)
  63                 c->decorrelate[0] = ff_flac_decorrelate_indep2_16_sse2;
  64             else if (channels == 4)
  65                 c->decorrelate[0] = ff_flac_decorrelate_indep4_16_sse2;
  66             else if (channels == 6)
  67                 c->decorrelate[0] = ff_flac_decorrelate_indep6_16_sse2;
  68             else if (ARCH_X86_64 && channels == 8)
  69                 c->decorrelate[0] = ff_flac_decorrelate_indep8_16_sse2;
  70             c->decorrelate[1] = ff_flac_decorrelate_ls_16_sse2;
  71             c->decorrelate[2] = ff_flac_decorrelate_rs_16_sse2;
  72             c->decorrelate[3] = ff_flac_decorrelate_ms_16_sse2;
  73         } else if (fmt == AV_SAMPLE_FMT_S32) {
  74             if (channels == 2)
  75                 c->decorrelate[0] = ff_flac_decorrelate_indep2_32_sse2;
  76             else if (channels == 4)
  77                 c->decorrelate[0] = ff_flac_decorrelate_indep4_32_sse2;
  78             else if (channels == 6)
  79                 c->decorrelate[0] = ff_flac_decorrelate_indep6_32_sse2;
  80             else if (ARCH_X86_64 && channels == 8)
  81                 c->decorrelate[0] = ff_flac_decorrelate_indep8_32_sse2;
  82             c->decorrelate[1] = ff_flac_decorrelate_ls_32_sse2;
  83             c->decorrelate[2] = ff_flac_decorrelate_rs_32_sse2;
  84             c->decorrelate[3] = ff_flac_decorrelate_ms_32_sse2;
  85         }
  86     }
  87     if (EXTERNAL_SSE4(cpu_flags)) {
  88         if (bps > 16)
  89             c->lpc = ff_flac_lpc_32_sse4;
  90     }
  91     if (EXTERNAL_AVX(cpu_flags)) {
  92         if (fmt == AV_SAMPLE_FMT_S16) {
  93             if (ARCH_X86_64 && channels == 8)
  94                 c->decorrelate[0] = ff_flac_decorrelate_indep8_16_avx;
  95         } else if (fmt == AV_SAMPLE_FMT_S32) {
  96             if (channels == 4)
  97                 c->decorrelate[0] = ff_flac_decorrelate_indep4_32_avx;
  98             else if (channels == 6)
  99                 c->decorrelate[0] = ff_flac_decorrelate_indep6_32_avx;
 100             else if (ARCH_X86_64 && channels == 8)
 101                 c->decorrelate[0] = ff_flac_decorrelate_indep8_32_avx;
 102         }
 103     }
 104     if (EXTERNAL_XOP(cpu_flags)) {
 105         if (bps > 16)
 106             c->lpc = ff_flac_lpc_32_xop;
 107     }
 108 #endif
 109
 110 #if CONFIG_FLAC_ENCODER
 111     if (EXTERNAL_SSE4(cpu_flags)) {
 112         if (CONFIG_GPL && bps == 16)
 113             c->lpc_encode = ff_flac_enc_lpc_16_sse4;
 114     }
 115 #endif
 116 #endif /* HAVE_YASM */
 117 }