LCOV - code coverage report
Current view: top level - libavresample/x86 - dither_init.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 0 16 0.0 %
Date: 2017-12-14 19:11:59 Functions: 0 1 0.0 %

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2012 Justin Ruggles <justin.ruggles@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             : 
      21             : #include "config.h"
      22             : #include "libavutil/cpu.h"
      23             : #include "libavutil/x86/cpu.h"
      24             : #include "libavresample/dither.h"
      25             : 
      26             : void ff_quantize_sse2(int16_t *dst, const float *src, float *dither, int len);
      27             : 
      28             : void ff_dither_int_to_float_rectangular_sse2(float *dst, int *src, int len);
      29             : void ff_dither_int_to_float_rectangular_avx(float *dst, int *src, int len);
      30             : 
      31             : void ff_dither_int_to_float_triangular_sse2(float *dst, int *src0, int len);
      32             : void ff_dither_int_to_float_triangular_avx(float *dst, int *src0, int len);
      33             : 
      34           0 : av_cold void ff_dither_init_x86(DitherDSPContext *ddsp,
      35             :                                 enum AVResampleDitherMethod method)
      36             : {
      37           0 :     int cpu_flags = av_get_cpu_flags();
      38             : 
      39           0 :     if (EXTERNAL_SSE2(cpu_flags)) {
      40           0 :         ddsp->quantize      = ff_quantize_sse2;
      41           0 :         ddsp->ptr_align     = 16;
      42           0 :         ddsp->samples_align = 8;
      43             :     }
      44             : 
      45           0 :     if (method == AV_RESAMPLE_DITHER_RECTANGULAR) {
      46           0 :         if (EXTERNAL_SSE2(cpu_flags)) {
      47           0 :             ddsp->dither_int_to_float = ff_dither_int_to_float_rectangular_sse2;
      48             :         }
      49           0 :         if (EXTERNAL_AVX_FAST(cpu_flags)) {
      50           0 :             ddsp->dither_int_to_float = ff_dither_int_to_float_rectangular_avx;
      51             :         }
      52             :     } else {
      53           0 :         if (EXTERNAL_SSE2(cpu_flags)) {
      54           0 :             ddsp->dither_int_to_float = ff_dither_int_to_float_triangular_sse2;
      55             :         }
      56           0 :         if (EXTERNAL_AVX_FAST(cpu_flags)) {
      57           0 :             ddsp->dither_int_to_float = ff_dither_int_to_float_triangular_avx;
      58             :         }
      59             :     }
      60           0 : }

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