LCOV - code coverage report
Current view: top level - src/libswscale/x86 - rgb2rgb.c (source / functions) Hit Total Coverage
Test: coverage.info Lines: 12 13 92.3 %
Date: 2017-01-23 11:54:22 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * software RGB to RGB converter
       3             :  * pluralize by software PAL8 to RGB converter
       4             :  *              software YUV to YUV converter
       5             :  *              software YUV to RGB converter
       6             :  * Written by Nick Kurshev.
       7             :  * palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
       8             :  *
       9             :  * This file is part of FFmpeg.
      10             :  *
      11             :  * FFmpeg is free software; you can redistribute it and/or
      12             :  * modify it under the terms of the GNU Lesser General Public
      13             :  * License as published by the Free Software Foundation; either
      14             :  * version 2.1 of the License, or (at your option) any later version.
      15             :  *
      16             :  * FFmpeg is distributed in the hope that it will be useful,
      17             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      18             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      19             :  * Lesser General Public License for more details.
      20             :  *
      21             :  * You should have received a copy of the GNU Lesser General Public
      22             :  * License along with FFmpeg; if not, write to the Free Software
      23             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      24             :  */
      25             : 
      26             : #include <stdint.h>
      27             : 
      28             : #include "config.h"
      29             : #include "libavutil/attributes.h"
      30             : #include "libavutil/x86/cpu.h"
      31             : #include "libavutil/cpu.h"
      32             : #include "libavutil/bswap.h"
      33             : #include "libswscale/rgb2rgb.h"
      34             : #include "libswscale/swscale.h"
      35             : #include "libswscale/swscale_internal.h"
      36             : 
      37             : #if HAVE_INLINE_ASM
      38             : 
      39             : DECLARE_ASM_CONST(8, uint64_t, mmx_ff)       = 0x00000000000000FFULL;
      40             : DECLARE_ASM_CONST(8, uint64_t, mmx_null)     = 0x0000000000000000ULL;
      41             : DECLARE_ASM_CONST(8, uint64_t, mmx_one)      = 0xFFFFFFFFFFFFFFFFULL;
      42             : DECLARE_ASM_CONST(8, uint64_t, mask32b)      = 0x000000FF000000FFULL;
      43             : DECLARE_ASM_CONST(8, uint64_t, mask32g)      = 0x0000FF000000FF00ULL;
      44             : DECLARE_ASM_CONST(8, uint64_t, mask32r)      = 0x00FF000000FF0000ULL;
      45             : DECLARE_ASM_CONST(8, uint64_t, mask32a)      = 0xFF000000FF000000ULL;
      46             : DECLARE_ASM_CONST(8, uint64_t, mask32)       = 0x00FFFFFF00FFFFFFULL;
      47             : DECLARE_ASM_CONST(8, uint64_t, mask3216br)   = 0x00F800F800F800F8ULL;
      48             : DECLARE_ASM_CONST(8, uint64_t, mask3216g)    = 0x0000FC000000FC00ULL;
      49             : DECLARE_ASM_CONST(8, uint64_t, mask3215g)    = 0x0000F8000000F800ULL;
      50             : DECLARE_ASM_CONST(8, uint64_t, mul3216)      = 0x2000000420000004ULL;
      51             : DECLARE_ASM_CONST(8, uint64_t, mul3215)      = 0x2000000820000008ULL;
      52             : DECLARE_ASM_CONST(8, uint64_t, mask24b)      = 0x00FF0000FF0000FFULL;
      53             : DECLARE_ASM_CONST(8, uint64_t, mask24g)      = 0xFF0000FF0000FF00ULL;
      54             : DECLARE_ASM_CONST(8, uint64_t, mask24r)      = 0x0000FF0000FF0000ULL;
      55             : DECLARE_ASM_CONST(8, uint64_t, mask24l)      = 0x0000000000FFFFFFULL;
      56             : DECLARE_ASM_CONST(8, uint64_t, mask24h)      = 0x0000FFFFFF000000ULL;
      57             : DECLARE_ASM_CONST(8, uint64_t, mask24hh)     = 0xffff000000000000ULL;
      58             : DECLARE_ASM_CONST(8, uint64_t, mask24hhh)    = 0xffffffff00000000ULL;
      59             : DECLARE_ASM_CONST(8, uint64_t, mask24hhhh)   = 0xffffffffffff0000ULL;
      60             : DECLARE_ASM_CONST(8, uint64_t, mask15b)      = 0x001F001F001F001FULL; /* 00000000 00011111  xxB */
      61             : DECLARE_ASM_CONST(8, uint64_t, mask15rg)     = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000  RGx */
      62             : DECLARE_ASM_CONST(8, uint64_t, mask15s)      = 0xFFE0FFE0FFE0FFE0ULL;
      63             : DECLARE_ASM_CONST(8, uint64_t, mask15g)      = 0x03E003E003E003E0ULL;
      64             : DECLARE_ASM_CONST(8, uint64_t, mask15r)      = 0x7C007C007C007C00ULL;
      65             : #define mask16b mask15b
      66             : DECLARE_ASM_CONST(8, uint64_t, mask16g)      = 0x07E007E007E007E0ULL;
      67             : DECLARE_ASM_CONST(8, uint64_t, mask16r)      = 0xF800F800F800F800ULL;
      68             : DECLARE_ASM_CONST(8, uint64_t, red_16mask)   = 0x0000f8000000f800ULL;
      69             : DECLARE_ASM_CONST(8, uint64_t, green_16mask) = 0x000007e0000007e0ULL;
      70             : DECLARE_ASM_CONST(8, uint64_t, blue_16mask)  = 0x0000001f0000001fULL;
      71             : DECLARE_ASM_CONST(8, uint64_t, red_15mask)   = 0x00007c0000007c00ULL;
      72             : DECLARE_ASM_CONST(8, uint64_t, green_15mask) = 0x000003e0000003e0ULL;
      73             : DECLARE_ASM_CONST(8, uint64_t, blue_15mask)  = 0x0000001f0000001fULL;
      74             : DECLARE_ASM_CONST(8, uint64_t, mul15_mid)    = 0x4200420042004200ULL;
      75             : DECLARE_ASM_CONST(8, uint64_t, mul15_hi)     = 0x0210021002100210ULL;
      76             : DECLARE_ASM_CONST(8, uint64_t, mul16_mid)    = 0x2080208020802080ULL;
      77             : 
      78             : DECLARE_ALIGNED(8, extern const uint64_t, ff_bgr2YOffset);
      79             : DECLARE_ALIGNED(8, extern const uint64_t, ff_w1111);
      80             : DECLARE_ALIGNED(8, extern const uint64_t, ff_bgr2UVOffset);
      81             : 
      82             : #define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
      83             : #define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
      84             : #define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
      85             : #define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5))
      86             : #define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5))
      87             : #define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5))
      88             : #define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5))
      89             : #define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
      90             : #define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))
      91             : 
      92             : // Note: We have C, MMX, MMXEXT, 3DNOW versions, there is no 3DNOW + MMXEXT one.
      93             : 
      94             : #define COMPILE_TEMPLATE_MMXEXT 0
      95             : #define COMPILE_TEMPLATE_AMD3DNOW 0
      96             : #define COMPILE_TEMPLATE_SSE2 0
      97             : #define COMPILE_TEMPLATE_AVX 0
      98             : 
      99             : //MMX versions
     100             : #undef RENAME
     101             : #define RENAME(a) a ## _mmx
     102             : #include "rgb2rgb_template.c"
     103             : 
     104             : // MMXEXT versions
     105             : #undef RENAME
     106             : #undef COMPILE_TEMPLATE_MMXEXT
     107             : #define COMPILE_TEMPLATE_MMXEXT 1
     108             : #define RENAME(a) a ## _mmxext
     109             : #include "rgb2rgb_template.c"
     110             : 
     111             : //SSE2 versions
     112             : #undef RENAME
     113             : #undef COMPILE_TEMPLATE_SSE2
     114             : #define COMPILE_TEMPLATE_SSE2 1
     115             : #define RENAME(a) a ## _sse2
     116             : #include "rgb2rgb_template.c"
     117             : 
     118             : //AVX versions
     119             : #undef RENAME
     120             : #undef COMPILE_TEMPLATE_AVX
     121             : #define COMPILE_TEMPLATE_AVX 1
     122             : #define RENAME(a) a ## _avx
     123             : #include "rgb2rgb_template.c"
     124             : 
     125             : //3DNOW versions
     126             : #undef RENAME
     127             : #undef COMPILE_TEMPLATE_MMXEXT
     128             : #undef COMPILE_TEMPLATE_SSE2
     129             : #undef COMPILE_TEMPLATE_AVX
     130             : #undef COMPILE_TEMPLATE_AMD3DNOW
     131             : #define COMPILE_TEMPLATE_MMXEXT 0
     132             : #define COMPILE_TEMPLATE_SSE2 0
     133             : #define COMPILE_TEMPLATE_AVX 0
     134             : #define COMPILE_TEMPLATE_AMD3DNOW 1
     135             : #define RENAME(a) a ## _3dnow
     136             : #include "rgb2rgb_template.c"
     137             : 
     138             : /*
     139             :  RGB15->RGB16 original by Strepto/Astral
     140             :  ported to gcc & bugfixed : A'rpi
     141             :  MMXEXT, 3DNOW optimization by Nick Kurshev
     142             :  32-bit C version, and and&add trick by Michael Niedermayer
     143             : */
     144             : 
     145             : #endif /* HAVE_INLINE_ASM */
     146             : 
     147        2478 : av_cold void rgb2rgb_init_x86(void)
     148             : {
     149             : #if HAVE_INLINE_ASM
     150        2478 :     int cpu_flags = av_get_cpu_flags();
     151             : 
     152        2478 :     if (INLINE_MMX(cpu_flags))
     153           2 :         rgb2rgb_init_mmx();
     154        2478 :     if (INLINE_AMD3DNOW(cpu_flags))
     155           0 :         rgb2rgb_init_3dnow();
     156        2478 :     if (INLINE_MMXEXT(cpu_flags))
     157           2 :         rgb2rgb_init_mmxext();
     158        2478 :     if (INLINE_SSE2(cpu_flags))
     159           2 :         rgb2rgb_init_sse2();
     160        2478 :     if (INLINE_AVX(cpu_flags))
     161           2 :         rgb2rgb_init_avx();
     162             : #endif /* HAVE_INLINE_ASM */
     163        2478 : }

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