LCOV - code coverage report
Current view: top level - src/libavcodec/x86 - huffyuvencdsp_init.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 6 8 75.0 %
Date: 2017-06-23 19:00:59 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * SIMD-optimized HuffYUV encoding functions
       3             :  * Copyright (c) 2000, 2001 Fabrice Bellard
       4             :  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
       5             :  *
       6             :  * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
       7             :  *
       8             :  * This file is part of FFmpeg.
       9             :  *
      10             :  * FFmpeg is free software; you can redistribute it and/or
      11             :  * modify it under the terms of the GNU Lesser General Public
      12             :  * License as published by the Free Software Foundation; either
      13             :  * version 2.1 of the License, or (at your option) any later version.
      14             :  *
      15             :  * FFmpeg is distributed in the hope that it will be useful,
      16             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      17             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      18             :  * Lesser General Public License for more details.
      19             :  *
      20             :  * You should have received a copy of the GNU Lesser General Public
      21             :  * License along with FFmpeg; if not, write to the Free Software
      22             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      23             :  */
      24             : 
      25             : #include "libavutil/attributes.h"
      26             : #include "libavutil/cpu.h"
      27             : #include "libavutil/pixdesc.h"
      28             : #include "libavutil/x86/cpu.h"
      29             : #include "libavcodec/huffyuvencdsp.h"
      30             : 
      31             : void ff_diff_int16_mmx (uint16_t *dst, const uint16_t *src1, const uint16_t *src2,
      32             :                         unsigned mask, int w);
      33             : void ff_diff_int16_sse2(uint16_t *dst, const uint16_t *src1, const uint16_t *src2,
      34             :                         unsigned mask, int w);
      35             : void ff_sub_hfyu_median_pred_int16_mmxext(uint16_t *dst, const uint16_t *src1, const uint16_t *src2,
      36             :                                           unsigned mask, int w, int *left, int *left_top);
      37             : 
      38          32 : av_cold void ff_huffyuvencdsp_init_x86(HuffYUVEncDSPContext *c, AVCodecContext *avctx)
      39             : {
      40          32 :     av_unused int cpu_flags = av_get_cpu_flags();
      41          32 :     const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(avctx->pix_fmt);
      42             : 
      43             :     if (ARCH_X86_32 && EXTERNAL_MMX(cpu_flags)) {
      44             :         c->diff_int16 = ff_diff_int16_mmx;
      45             :     }
      46             : 
      47          32 :     if (EXTERNAL_MMXEXT(cpu_flags) && pix_desc && pix_desc->comp[0].depth<16) {
      48           0 :         c->sub_hfyu_median_pred_int16 = ff_sub_hfyu_median_pred_int16_mmxext;
      49             :     }
      50             : 
      51          32 :     if (EXTERNAL_SSE2(cpu_flags)) {
      52           0 :         c->diff_int16 = ff_diff_int16_sse2;
      53             :     }
      54          32 : }

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