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ffmpeg / libswscale / rgb2rgb.c @ 3164d25e

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1 fcfbc150 Michael Niedermayer
/*
2 8a322796 Diego Biurrun
 * software RGB to RGB converter
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 * pluralize by software PAL8 to RGB converter
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 *              software YUV to YUV converter
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 *              software YUV to RGB converter
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 * Written by Nick Kurshev.
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 * palette & YUV & runtime CPU stuff by Michael (michaelni@gmx.at)
8 4fadc2b4 Diego Biurrun
 *
9 d026b45e Diego Biurrun
 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or modify
12 4fadc2b4 Diego Biurrun
 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
16 d026b45e Diego Biurrun
 * FFmpeg is distributed in the hope that it will be useful,
17 4fadc2b4 Diego Biurrun
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
22 d026b45e Diego Biurrun
 * along with FFmpeg; if not, write to the Free Software
23 b19bcbaa Diego Biurrun
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 6a4970ab Diego Biurrun
 *
25 8a322796 Diego Biurrun
 * The C code (not assembly, MMX, ...) of this file can be used
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 * under the LGPL license.
27 a3aece93 Nick Kurshev
 */
28 b234ae81 Nick Kurshev
#include <inttypes.h>
29 b2d374c9 Diego Biurrun
#include "config.h"
30 83da2c6f Diego Biurrun
#include "libavutil/x86_cpu.h"
31
#include "libavutil/bswap.h"
32 b234ae81 Nick Kurshev
#include "rgb2rgb.h"
33 700490a4 Michael Niedermayer
#include "swscale.h"
34 94c4def2 Luca Abeni
#include "swscale_internal.h"
35 a3aece93 Nick Kurshev
36 8a322796 Diego Biurrun
#define FAST_BGR2YV12 // use 7-bit instead of 15-bit coefficients
37 21316f3c Michael Niedermayer
38 6107059c Michael Niedermayer
void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
42 30c48a0a Benoit Fouet
void (*rgb32to16)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb32to15)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb15to16)(const uint8_t *src, uint8_t *dst, long src_size);
45 6107059c Michael Niedermayer
void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
46 30c48a0a Benoit Fouet
void (*rgb15to32)(const uint8_t *src, uint8_t *dst, long src_size);
47
void (*rgb16to15)(const uint8_t *src, uint8_t *dst, long src_size);
48 6107059c Michael Niedermayer
void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
49 30c48a0a Benoit Fouet
void (*rgb16to32)(const uint8_t *src, uint8_t *dst, long src_size);
50 7f526efd Reimar Döffinger
void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
51 6107059c Michael Niedermayer
void (*rgb24to16)(const uint8_t *src, uint8_t *dst, long src_size);
52
void (*rgb24to15)(const uint8_t *src, uint8_t *dst, long src_size);
53 7f526efd Reimar Döffinger
void (*rgb32tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
54
void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
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void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
56 700490a4 Michael Niedermayer
57
void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
58 6e42e6c4 Diego Biurrun
                   long width, long height,
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                   long lumStride, long chromStride, long dstStride);
60 caeaabe7 Alex Beregszaszi
void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
61 6e42e6c4 Diego Biurrun
                   long width, long height,
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                   long lumStride, long chromStride, long dstStride);
63 700490a4 Michael Niedermayer
void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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                      long width, long height,
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                      long lumStride, long chromStride, long dstStride);
66 a6100f39 Baptiste Coudurier
void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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                      long width, long height,
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                      long lumStride, long chromStride, long dstStride);
69 700490a4 Michael Niedermayer
void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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                   long width, long height,
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                   long lumStride, long chromStride, long srcStride);
72 700490a4 Michael Niedermayer
void (*rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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                    long width, long height,
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                    long lumStride, long chromStride, long srcStride);
75 7f526efd Reimar Döffinger
void (*planar2x)(const uint8_t *src, uint8_t *dst, long width, long height,
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                 long srcStride, long dstStride);
77 700490a4 Michael Niedermayer
void (*interleaveBytes)(uint8_t *src1, uint8_t *src2, uint8_t *dst,
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                        long width, long height, long src1Stride,
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                        long src2Stride, long dstStride);
80 700490a4 Michael Niedermayer
void (*vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2,
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                    uint8_t *dst1, uint8_t *dst2,
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                    long width, long height,
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                    long srcStride1, long srcStride2,
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                    long dstStride1, long dstStride2);
85 700490a4 Michael Niedermayer
void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2, const uint8_t *src3,
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                     uint8_t *dst,
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                     long width, long height,
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                     long srcStride1, long srcStride2,
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                     long srcStride3, long dstStride);
90 0411072e Michael Niedermayer
void (*uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
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                                      long width, long height,
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                                      long lumStride, long chromStride, long srcStride);
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void (*uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
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                                      long width, long height,
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                                      long lumStride, long chromStride, long srcStride);
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void (*yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
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                                      long width, long height,
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                                      long lumStride, long chromStride, long srcStride);
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void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
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                                      long width, long height,
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                                      long lumStride, long chromStride, long srcStride);
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103 700490a4 Michael Niedermayer
104 b63f641e Aurelien Jacobs
#if ARCH_X86 && CONFIG_GPL
105 d334c7c2 Reimar Döffinger
DECLARE_ASM_CONST(8, uint64_t, mmx_null)     = 0x0000000000000000ULL;
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DECLARE_ASM_CONST(8, uint64_t, mmx_one)      = 0xFFFFFFFFFFFFFFFFULL;
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DECLARE_ASM_CONST(8, uint64_t, mask32b)      = 0x000000FF000000FFULL;
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DECLARE_ASM_CONST(8, uint64_t, mask32g)      = 0x0000FF000000FF00ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask32r)      = 0x00FF000000FF0000ULL;
110 f8a138be Cédric Schieli
DECLARE_ASM_CONST(8, uint64_t, mask32a)      = 0xFF000000FF000000ULL;
111 d334c7c2 Reimar Döffinger
DECLARE_ASM_CONST(8, uint64_t, mask32)       = 0x00FFFFFF00FFFFFFULL;
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DECLARE_ASM_CONST(8, uint64_t, mask3216br)   = 0x00F800F800F800F8ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask3216g)    = 0x0000FC000000FC00ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask3215g)    = 0x0000F8000000F800ULL;
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DECLARE_ASM_CONST(8, uint64_t, mul3216)      = 0x2000000420000004ULL;
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DECLARE_ASM_CONST(8, uint64_t, mul3215)      = 0x2000000820000008ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24b)      = 0x00FF0000FF0000FFULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24g)      = 0xFF0000FF0000FF00ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24r)      = 0x0000FF0000FF0000ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24l)      = 0x0000000000FFFFFFULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24h)      = 0x0000FFFFFF000000ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24hh)     = 0xffff000000000000ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24hhh)    = 0xffffffff00000000ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask24hhhh)   = 0xffffffffffff0000ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask15b)      = 0x001F001F001F001FULL; /* 00000000 00011111  xxB */
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DECLARE_ASM_CONST(8, uint64_t, mask15rg)     = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000  RGx */
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DECLARE_ASM_CONST(8, uint64_t, mask15s)      = 0xFFE0FFE0FFE0FFE0ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask15g)      = 0x03E003E003E003E0ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask15r)      = 0x7C007C007C007C00ULL;
130 0d9f3d85 Arpi
#define mask16b mask15b
131 d334c7c2 Reimar Döffinger
DECLARE_ASM_CONST(8, uint64_t, mask16g)      = 0x07E007E007E007E0ULL;
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DECLARE_ASM_CONST(8, uint64_t, mask16r)      = 0xF800F800F800F800ULL;
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DECLARE_ASM_CONST(8, uint64_t, red_16mask)   = 0x0000f8000000f800ULL;
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DECLARE_ASM_CONST(8, uint64_t, green_16mask) = 0x000007e0000007e0ULL;
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DECLARE_ASM_CONST(8, uint64_t, blue_16mask)  = 0x0000001f0000001fULL;
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DECLARE_ASM_CONST(8, uint64_t, red_15mask)   = 0x00007c0000007c00ULL;
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DECLARE_ASM_CONST(8, uint64_t, green_15mask) = 0x000003e0000003e0ULL;
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DECLARE_ASM_CONST(8, uint64_t, blue_15mask)  = 0x0000001f0000001fULL;
139 b63f641e Aurelien Jacobs
#endif /* ARCH_X86 */
140 79811694 Nick Kurshev
141 1de97d84 Michael Niedermayer
#define RGB2YUV_SHIFT 8
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#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
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#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
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#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
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#define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5))
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#define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5))
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#define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5))
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#define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5))
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#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
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#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))
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152 8a322796 Diego Biurrun
//Note: We have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW + MMX2 one.
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//plain C versions
154 1de97d84 Michael Niedermayer
#undef HAVE_MMX
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#undef HAVE_MMX2
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#undef HAVE_AMD3DNOW
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#undef HAVE_SSE2
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#define HAVE_MMX 0
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#define HAVE_MMX2 0
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#define HAVE_AMD3DNOW 0
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#define HAVE_SSE2 0
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#define RENAME(a) a ## _C
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#include "rgb2rgb_template.c"
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#if ARCH_X86 && CONFIG_GPL
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//MMX versions
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#undef RENAME
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#undef HAVE_MMX
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#define HAVE_MMX 1
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#define RENAME(a) a ## _MMX
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#include "rgb2rgb_template.c"
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//MMX2 versions
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#undef RENAME
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#undef HAVE_MMX2
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#define HAVE_MMX2 1
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#define RENAME(a) a ## _MMX2
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#include "rgb2rgb_template.c"
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//3DNOW versions
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#undef RENAME
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#undef HAVE_MMX2
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#undef HAVE_AMD3DNOW
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#define HAVE_MMX2 0
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#define HAVE_AMD3DNOW 1
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#define RENAME(a) a ## _3DNOW
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#include "rgb2rgb_template.c"
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190 6e1c66bc Aurelien Jacobs
#endif //ARCH_X86 || ARCH_X86_64
191 b238eb2e Nick Kurshev
192 a3aece93 Nick Kurshev
/*
193 8a322796 Diego Biurrun
 RGB15->RGB16 original by Strepto/Astral
194 a3aece93 Nick Kurshev
 ported to gcc & bugfixed : A'rpi
195 51da31f1 Nick Kurshev
 MMX2, 3DNOW optimization by Nick Kurshev
196 8a322796 Diego Biurrun
 32-bit C version, and and&add trick by Michael Niedermayer
197 a3aece93 Nick Kurshev
*/
198 fcfbc150 Michael Niedermayer
199 700490a4 Michael Niedermayer
void sws_rgb2rgb_init(int flags){
200 f4406ec1 Diego Biurrun
#if (HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX)  && CONFIG_GPL
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    if (flags & SWS_CPU_CAPS_MMX2)
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        rgb2rgb_init_MMX2();
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    else if (flags & SWS_CPU_CAPS_3DNOW)
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        rgb2rgb_init_3DNOW();
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    else if (flags & SWS_CPU_CAPS_MMX)
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        rgb2rgb_init_MMX();
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    else
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#endif /* HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX */
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        rgb2rgb_init_C();
210 ac4d0aea Michael Niedermayer
}
211 700490a4 Michael Niedermayer
212 fcfbc150 Michael Niedermayer
/**
213 522ce957 Vitor Sessak
 * Convert the palette to the same packet 32-bit format as the palette
214 fcfbc150 Michael Niedermayer
 */
215 522ce957 Vitor Sessak
void palette8topacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
216 fcfbc150 Michael Niedermayer
{
217 6e42e6c4 Diego Biurrun
    long i;
218 9780c7ff Alex Beregszaszi
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    for (i=0; i<num_pixels; i++)
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        ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
221 6c1baeb0 Alex Beregszaszi
}
222
223 9ce6584e Michael Niedermayer
/**
224 522ce957 Vitor Sessak
 * Palette format: ABCD -> dst format: ABC
225 9ce6584e Michael Niedermayer
 */
226 522ce957 Vitor Sessak
void palette8topacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
227 9ce6584e Michael Niedermayer
{
228 6e42e6c4 Diego Biurrun
    long i;
229 9ce6584e Michael Niedermayer
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    for (i=0; i<num_pixels; i++)
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    {
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        //FIXME slow?
233 30c48a0a Benoit Fouet
        dst[0]= palette[src[i]*4+0];
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        dst[1]= palette[src[i]*4+1];
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        dst[2]= palette[src[i]*4+2];
236 6e42e6c4 Diego Biurrun
        dst+= 3;
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    }
238 6c1baeb0 Alex Beregszaszi
}
239
240 fcfbc150 Michael Niedermayer
/**
241 8a322796 Diego Biurrun
 * Palette is assumed to contain BGR16, see rgb32to16 to convert the palette.
242 fcfbc150 Michael Niedermayer
 */
243 7f526efd Reimar Döffinger
void palette8torgb16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
244 fcfbc150 Michael Niedermayer
{
245 6e42e6c4 Diego Biurrun
    long i;
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    for (i=0; i<num_pixels; i++)
247 774c386a Baptiste Coudurier
        ((uint16_t *)dst)[i] = ((const uint16_t *)palette)[src[i]];
248 fcfbc150 Michael Niedermayer
}
249 7f526efd Reimar Döffinger
void palette8tobgr16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
250 6c1baeb0 Alex Beregszaszi
{
251 6e42e6c4 Diego Biurrun
    long i;
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    for (i=0; i<num_pixels; i++)
253 774c386a Baptiste Coudurier
        ((uint16_t *)dst)[i] = bswap_16(((const uint16_t *)palette)[src[i]]);
254 6c1baeb0 Alex Beregszaszi
}
255 fcfbc150 Michael Niedermayer
256
/**
257 10ef990d Diego Biurrun
 * Palette is assumed to contain BGR15, see rgb32to15 to convert the palette.
258 fcfbc150 Michael Niedermayer
 */
259 7f526efd Reimar Döffinger
void palette8torgb15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
260 fcfbc150 Michael Niedermayer
{
261 6e42e6c4 Diego Biurrun
    long i;
262
    for (i=0; i<num_pixels; i++)
263 774c386a Baptiste Coudurier
        ((uint16_t *)dst)[i] = ((const uint16_t *)palette)[src[i]];
264 9ce6584e Michael Niedermayer
}
265 7f526efd Reimar Döffinger
void palette8tobgr15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
266 6c1baeb0 Alex Beregszaszi
{
267 6e42e6c4 Diego Biurrun
    long i;
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    for (i=0; i<num_pixels; i++)
269 774c386a Baptiste Coudurier
        ((uint16_t *)dst)[i] = bswap_16(((const uint16_t *)palette)[src[i]]);
270 6c1baeb0 Alex Beregszaszi
}
271 99969243 Michael Niedermayer
272 6107059c Michael Niedermayer
void rgb32to24(const uint8_t *src, uint8_t *dst, long src_size)
273 ac4d0aea Michael Niedermayer
{
274 6e42e6c4 Diego Biurrun
    long i;
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    long num_pixels = src_size >> 2;
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    for (i=0; i<num_pixels; i++)
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    {
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        #ifdef WORDS_BIGENDIAN
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            /* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */
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            dst[3*i + 0] = src[4*i + 1];
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            dst[3*i + 1] = src[4*i + 2];
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            dst[3*i + 2] = src[4*i + 3];
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        #else
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            dst[3*i + 0] = src[4*i + 2];
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            dst[3*i + 1] = src[4*i + 1];
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            dst[3*i + 2] = src[4*i + 0];
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        #endif
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    }
289 ac4d0aea Michael Niedermayer
}
290
291 6107059c Michael Niedermayer
void rgb24to32(const uint8_t *src, uint8_t *dst, long src_size)
292 ac4d0aea Michael Niedermayer
{
293 6e42e6c4 Diego Biurrun
    long i;
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    for (i=0; 3*i<src_size; i++)
295
    {
296
        #ifdef WORDS_BIGENDIAN
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            /* RGB24 (= R,G,B) -> BGR32 (= A,R,G,B) */
298 f8a138be Cédric Schieli
            dst[4*i + 0] = 255;
299 6e42e6c4 Diego Biurrun
            dst[4*i + 1] = src[3*i + 0];
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            dst[4*i + 2] = src[3*i + 1];
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            dst[4*i + 3] = src[3*i + 2];
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        #else
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            dst[4*i + 0] = src[3*i + 2];
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            dst[4*i + 1] = src[3*i + 1];
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            dst[4*i + 2] = src[3*i + 0];
306 f8a138be Cédric Schieli
            dst[4*i + 3] = 255;
307 6e42e6c4 Diego Biurrun
        #endif
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    }
309 ac4d0aea Michael Niedermayer
}
310
311 7f526efd Reimar Döffinger
void rgb16tobgr32(const uint8_t *src, uint8_t *dst, long src_size)
312 ac4d0aea Michael Niedermayer
{
313 6e42e6c4 Diego Biurrun
    const uint16_t *end;
314 72d6b610 Baptiste Coudurier
    uint8_t *d = dst;
315 774c386a Baptiste Coudurier
    const uint16_t *s = (const uint16_t *)src;
316 6e42e6c4 Diego Biurrun
    end = s + src_size/2;
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    while (s < end)
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    {
319
        register uint16_t bgr;
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        bgr = *s++;
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        #ifdef WORDS_BIGENDIAN
322 f8a138be Cédric Schieli
            *d++ = 255;
323 6e42e6c4 Diego Biurrun
            *d++ = (bgr&0x1F)<<3;
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            *d++ = (bgr&0x7E0)>>3;
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            *d++ = (bgr&0xF800)>>8;
326
        #else
327
            *d++ = (bgr&0xF800)>>8;
328
            *d++ = (bgr&0x7E0)>>3;
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            *d++ = (bgr&0x1F)<<3;
330 f8a138be Cédric Schieli
            *d++ = 255;
331 6e42e6c4 Diego Biurrun
        #endif
332
    }
333 ac4d0aea Michael Niedermayer
}
334
335 6107059c Michael Niedermayer
void rgb16to24(const uint8_t *src, uint8_t *dst, long src_size)
336 ac4d0aea Michael Niedermayer
{
337 6e42e6c4 Diego Biurrun
    const uint16_t *end;
338 72d6b610 Baptiste Coudurier
    uint8_t *d = dst;
339 6e42e6c4 Diego Biurrun
    const uint16_t *s = (const uint16_t *)src;
340
    end = s + src_size/2;
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    while (s < end)
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    {
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        register uint16_t bgr;
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        bgr = *s++;
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        *d++ = (bgr&0xF800)>>8;
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        *d++ = (bgr&0x7E0)>>3;
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        *d++ = (bgr&0x1F)<<3;
348
    }
349 ac4d0aea Michael Niedermayer
}
350
351 7f526efd Reimar Döffinger
void rgb16tobgr16(const uint8_t *src, uint8_t *dst, long src_size)
352 ac4d0aea Michael Niedermayer
{
353 6e42e6c4 Diego Biurrun
    long i;
354
    long num_pixels = src_size >> 1;
355
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    for (i=0; i<num_pixels; i++)
357
    {
358 7372e9bb Michael Niedermayer
        unsigned rgb = ((const uint16_t*)src)[i];
359
        ((uint16_t*)dst)[i] = (rgb>>11) | (rgb&0x7E0) | (rgb<<11);
360 6e42e6c4 Diego Biurrun
    }
361 ac4d0aea Michael Niedermayer
}
362
363 7f526efd Reimar Döffinger
void rgb16tobgr15(const uint8_t *src, uint8_t *dst, long src_size)
364 ac4d0aea Michael Niedermayer
{
365 6e42e6c4 Diego Biurrun
    long i;
366
    long num_pixels = src_size >> 1;
367
368
    for (i=0; i<num_pixels; i++)
369
    {
370 7372e9bb Michael Niedermayer
        unsigned rgb = ((const uint16_t*)src)[i];
371
        ((uint16_t*)dst)[i] = (rgb>>11) | ((rgb&0x7C0)>>1) | ((rgb&0x1F)<<10);
372 6e42e6c4 Diego Biurrun
    }
373 ac4d0aea Michael Niedermayer
}
374
375 7f526efd Reimar Döffinger
void rgb15tobgr32(const uint8_t *src, uint8_t *dst, long src_size)
376 ac4d0aea Michael Niedermayer
{
377 6e42e6c4 Diego Biurrun
    const uint16_t *end;
378 72d6b610 Baptiste Coudurier
    uint8_t *d = dst;
379 6e42e6c4 Diego Biurrun
    const uint16_t *s = (const uint16_t *)src;
380
    end = s + src_size/2;
381
    while (s < end)
382
    {
383
        register uint16_t bgr;
384
        bgr = *s++;
385
        #ifdef WORDS_BIGENDIAN
386 f8a138be Cédric Schieli
            *d++ = 255;
387 6e42e6c4 Diego Biurrun
            *d++ = (bgr&0x1F)<<3;
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            *d++ = (bgr&0x3E0)>>2;
389
            *d++ = (bgr&0x7C00)>>7;
390
        #else
391
            *d++ = (bgr&0x7C00)>>7;
392
            *d++ = (bgr&0x3E0)>>2;
393
            *d++ = (bgr&0x1F)<<3;
394 f8a138be Cédric Schieli
            *d++ = 255;
395 6e42e6c4 Diego Biurrun
        #endif
396
    }
397 ac4d0aea Michael Niedermayer
}
398
399 6107059c Michael Niedermayer
void rgb15to24(const uint8_t *src, uint8_t *dst, long src_size)
400 ac4d0aea Michael Niedermayer
{
401 6e42e6c4 Diego Biurrun
    const uint16_t *end;
402 72d6b610 Baptiste Coudurier
    uint8_t *d = dst;
403 774c386a Baptiste Coudurier
    const uint16_t *s = (const uint16_t *)src;
404 6e42e6c4 Diego Biurrun
    end = s + src_size/2;
405
    while (s < end)
406
    {
407
        register uint16_t bgr;
408
        bgr = *s++;
409
        *d++ = (bgr&0x7C00)>>7;
410
        *d++ = (bgr&0x3E0)>>2;
411
        *d++ = (bgr&0x1F)<<3;
412
    }
413 ac4d0aea Michael Niedermayer
}
414
415 7f526efd Reimar Döffinger
void rgb15tobgr16(const uint8_t *src, uint8_t *dst, long src_size)
416 ac4d0aea Michael Niedermayer
{
417 6e42e6c4 Diego Biurrun
    long i;
418
    long num_pixels = src_size >> 1;
419
420
    for (i=0; i<num_pixels; i++)
421
    {
422 7372e9bb Michael Niedermayer
        unsigned rgb = ((const uint16_t*)src)[i];
423
        ((uint16_t*)dst)[i] = ((rgb&0x7C00)>>10) | ((rgb&0x3E0)<<1) | (rgb<<11);
424 6e42e6c4 Diego Biurrun
    }
425 ac4d0aea Michael Niedermayer
}
426
427 7f526efd Reimar Döffinger
void rgb15tobgr15(const uint8_t *src, uint8_t *dst, long src_size)
428 ac4d0aea Michael Niedermayer
{
429 6e42e6c4 Diego Biurrun
    long i;
430
    long num_pixels = src_size >> 1;
431
432
    for (i=0; i<num_pixels; i++)
433
    {
434 7372e9bb Michael Niedermayer
        unsigned br;
435
        unsigned rgb = ((const uint16_t*)src)[i];
436
        br = rgb&0x7c1F;
437
        ((uint16_t*)dst)[i] = (br>>10) | (rgb&0x3E0) | (br<<10);
438 6e42e6c4 Diego Biurrun
    }
439 ac4d0aea Michael Niedermayer
}
440
441 6107059c Michael Niedermayer
void bgr8torgb8(const uint8_t *src, uint8_t *dst, long src_size)
442 ac4d0aea Michael Niedermayer
{
443 6e42e6c4 Diego Biurrun
    long i;
444
    long num_pixels = src_size;
445
    for (i=0; i<num_pixels; i++)
446
    {
447
        unsigned b,g,r;
448
        register uint8_t rgb;
449
        rgb = src[i];
450
        r = (rgb&0x07);
451
        g = (rgb&0x38)>>3;
452
        b = (rgb&0xC0)>>6;
453
        dst[i] = ((b<<1)&0x07) | ((g&0x07)<<3) | ((r&0x03)<<6);
454
    }
455 ac4d0aea Michael Niedermayer
}