MIPS: 100L: fix AV_[RW]N64 on MIPS64
[libav.git] / libswscale / rgb2rgb.c
CommitLineData
fcfbc150 1/*
8a322796
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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)
4fadc2b4 8 *
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9 * This file is part of FFmpeg.
10 *
11 * FFmpeg is free software; you can redistribute it and/or modify
4fadc2b4
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12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
d026b45e 16 * FFmpeg is distributed in the hope that it will be useful,
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17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
d026b45e 22 * along with FFmpeg; if not, write to the Free Software
b19bcbaa 23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
6a4970ab 24 *
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25 * The C code (not assembly, MMX, ...) of this file can be used
26 * under the LGPL license.
a3aece93 27 */
b234ae81 28#include <inttypes.h>
b2d374c9 29#include "config.h"
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30#include "libavutil/x86_cpu.h"
31#include "libavutil/bswap.h"
b234ae81 32#include "rgb2rgb.h"
700490a4 33#include "swscale.h"
94c4def2 34#include "swscale_internal.h"
a3aece93 35
8a322796 36#define FAST_BGR2YV12 // use 7-bit instead of 15-bit coefficients
21316f3c 37
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38void (*rgb24tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
39void (*rgb24tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
40void (*rgb24tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
41void (*rgb32tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
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42void (*rgb32to16)(const uint8_t *src, uint8_t *dst, long src_size);
43void (*rgb32to15)(const uint8_t *src, uint8_t *dst, long src_size);
44void (*rgb15to16)(const uint8_t *src, uint8_t *dst, long src_size);
6107059c 45void (*rgb15tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
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46void (*rgb15to32)(const uint8_t *src, uint8_t *dst, long src_size);
47void (*rgb16to15)(const uint8_t *src, uint8_t *dst, long src_size);
6107059c 48void (*rgb16tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
30c48a0a 49void (*rgb16to32)(const uint8_t *src, uint8_t *dst, long src_size);
7f526efd 50void (*rgb24tobgr24)(const uint8_t *src, uint8_t *dst, long src_size);
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51void (*rgb24to16)(const uint8_t *src, uint8_t *dst, long src_size);
52void (*rgb24to15)(const uint8_t *src, uint8_t *dst, long src_size);
7f526efd 53void (*rgb32tobgr32)(const uint8_t *src, uint8_t *dst, long src_size);
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54void (*rgb32tobgr16)(const uint8_t *src, uint8_t *dst, long src_size);
55void (*rgb32tobgr15)(const uint8_t *src, uint8_t *dst, long src_size);
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56
57void (*yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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58 long width, long height,
59 long lumStride, long chromStride, long dstStride);
caeaabe7 60void (*yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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61 long width, long height,
62 long lumStride, long chromStride, long dstStride);
700490a4 63void (*yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
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64 long width, long height,
65 long lumStride, long chromStride, long dstStride);
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66void (*yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst,
67 long width, long height,
68 long lumStride, long chromStride, long dstStride);
700490a4 69void (*yuy2toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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70 long width, long height,
71 long lumStride, long chromStride, long srcStride);
700490a4 72void (*rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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73 long width, long height,
74 long lumStride, long chromStride, long srcStride);
7f526efd 75void (*planar2x)(const uint8_t *src, uint8_t *dst, long width, long height,
6e42e6c4 76 long srcStride, long dstStride);
700490a4 77void (*interleaveBytes)(uint8_t *src1, uint8_t *src2, uint8_t *dst,
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78 long width, long height, long src1Stride,
79 long src2Stride, long dstStride);
700490a4 80void (*vu9_to_vu12)(const uint8_t *src1, const uint8_t *src2,
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81 uint8_t *dst1, uint8_t *dst2,
82 long width, long height,
83 long srcStride1, long srcStride2,
84 long dstStride1, long dstStride2);
700490a4 85void (*yvu9_to_yuy2)(const uint8_t *src1, const uint8_t *src2, const uint8_t *src3,
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86 uint8_t *dst,
87 long width, long height,
88 long srcStride1, long srcStride2,
89 long srcStride3, long dstStride);
0411072e 90void (*uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
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91 long width, long height,
92 long lumStride, long chromStride, long srcStride);
0411072e 93void (*uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
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94 long width, long height,
95 long lumStride, long chromStride, long srcStride);
0411072e 96void (*yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
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97 long width, long height,
98 long lumStride, long chromStride, long srcStride);
0411072e 99void (*yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src,
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100 long width, long height,
101 long lumStride, long chromStride, long srcStride);
0411072e 102
700490a4 103
b63f641e 104#if ARCH_X86 && CONFIG_GPL
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105DECLARE_ASM_CONST(8, uint64_t, mmx_null) = 0x0000000000000000ULL;
106DECLARE_ASM_CONST(8, uint64_t, mmx_one) = 0xFFFFFFFFFFFFFFFFULL;
107DECLARE_ASM_CONST(8, uint64_t, mask32b) = 0x000000FF000000FFULL;
108DECLARE_ASM_CONST(8, uint64_t, mask32g) = 0x0000FF000000FF00ULL;
109DECLARE_ASM_CONST(8, uint64_t, mask32r) = 0x00FF000000FF0000ULL;
f8a138be 110DECLARE_ASM_CONST(8, uint64_t, mask32a) = 0xFF000000FF000000ULL;
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111DECLARE_ASM_CONST(8, uint64_t, mask32) = 0x00FFFFFF00FFFFFFULL;
112DECLARE_ASM_CONST(8, uint64_t, mask3216br) = 0x00F800F800F800F8ULL;
113DECLARE_ASM_CONST(8, uint64_t, mask3216g) = 0x0000FC000000FC00ULL;
114DECLARE_ASM_CONST(8, uint64_t, mask3215g) = 0x0000F8000000F800ULL;
115DECLARE_ASM_CONST(8, uint64_t, mul3216) = 0x2000000420000004ULL;
116DECLARE_ASM_CONST(8, uint64_t, mul3215) = 0x2000000820000008ULL;
117DECLARE_ASM_CONST(8, uint64_t, mask24b) = 0x00FF0000FF0000FFULL;
118DECLARE_ASM_CONST(8, uint64_t, mask24g) = 0xFF0000FF0000FF00ULL;
119DECLARE_ASM_CONST(8, uint64_t, mask24r) = 0x0000FF0000FF0000ULL;
120DECLARE_ASM_CONST(8, uint64_t, mask24l) = 0x0000000000FFFFFFULL;
121DECLARE_ASM_CONST(8, uint64_t, mask24h) = 0x0000FFFFFF000000ULL;
122DECLARE_ASM_CONST(8, uint64_t, mask24hh) = 0xffff000000000000ULL;
123DECLARE_ASM_CONST(8, uint64_t, mask24hhh) = 0xffffffff00000000ULL;
124DECLARE_ASM_CONST(8, uint64_t, mask24hhhh) = 0xffffffffffff0000ULL;
125DECLARE_ASM_CONST(8, uint64_t, mask15b) = 0x001F001F001F001FULL; /* 00000000 00011111 xxB */
126DECLARE_ASM_CONST(8, uint64_t, mask15rg) = 0x7FE07FE07FE07FE0ULL; /* 01111111 11100000 RGx */
127DECLARE_ASM_CONST(8, uint64_t, mask15s) = 0xFFE0FFE0FFE0FFE0ULL;
128DECLARE_ASM_CONST(8, uint64_t, mask15g) = 0x03E003E003E003E0ULL;
129DECLARE_ASM_CONST(8, uint64_t, mask15r) = 0x7C007C007C007C00ULL;
0d9f3d85 130#define mask16b mask15b
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131DECLARE_ASM_CONST(8, uint64_t, mask16g) = 0x07E007E007E007E0ULL;
132DECLARE_ASM_CONST(8, uint64_t, mask16r) = 0xF800F800F800F800ULL;
133DECLARE_ASM_CONST(8, uint64_t, red_16mask) = 0x0000f8000000f800ULL;
134DECLARE_ASM_CONST(8, uint64_t, green_16mask) = 0x000007e0000007e0ULL;
135DECLARE_ASM_CONST(8, uint64_t, blue_16mask) = 0x0000001f0000001fULL;
136DECLARE_ASM_CONST(8, uint64_t, red_15mask) = 0x00007c0000007c00ULL;
137DECLARE_ASM_CONST(8, uint64_t, green_15mask) = 0x000003e0000003e0ULL;
138DECLARE_ASM_CONST(8, uint64_t, blue_15mask) = 0x0000001f0000001fULL;
b63f641e 139#endif /* ARCH_X86 */
79811694 140
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141#define RGB2YUV_SHIFT 8
142#define BY ((int)( 0.098*(1<<RGB2YUV_SHIFT)+0.5))
143#define BV ((int)(-0.071*(1<<RGB2YUV_SHIFT)+0.5))
144#define BU ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
145#define GY ((int)( 0.504*(1<<RGB2YUV_SHIFT)+0.5))
146#define GV ((int)(-0.368*(1<<RGB2YUV_SHIFT)+0.5))
147#define GU ((int)(-0.291*(1<<RGB2YUV_SHIFT)+0.5))
148#define RY ((int)( 0.257*(1<<RGB2YUV_SHIFT)+0.5))
149#define RV ((int)( 0.439*(1<<RGB2YUV_SHIFT)+0.5))
150#define RU ((int)(-0.148*(1<<RGB2YUV_SHIFT)+0.5))
151
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152//Note: We have C, MMX, MMX2, 3DNOW versions, there is no 3DNOW + MMX2 one.
153//plain C versions
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154#undef HAVE_MMX
155#undef HAVE_MMX2
f4406ec1 156#undef HAVE_AMD3DNOW
52075cde 157#undef HAVE_SSE2
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158#define HAVE_MMX 0
159#define HAVE_MMX2 0
f4406ec1 160#define HAVE_AMD3DNOW 0
b63f641e 161#define HAVE_SSE2 0
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162#define RENAME(a) a ## _C
163#include "rgb2rgb_template.c"
164
b63f641e 165#if ARCH_X86 && CONFIG_GPL
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166
167//MMX versions
168#undef RENAME
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169#undef HAVE_MMX
170#define HAVE_MMX 1
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171#define RENAME(a) a ## _MMX
172#include "rgb2rgb_template.c"
173
174//MMX2 versions
175#undef RENAME
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176#undef HAVE_MMX2
177#define HAVE_MMX2 1
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178#define RENAME(a) a ## _MMX2
179#include "rgb2rgb_template.c"
180
181//3DNOW versions
182#undef RENAME
1de97d84 183#undef HAVE_MMX2
f4406ec1 184#undef HAVE_AMD3DNOW
b63f641e 185#define HAVE_MMX2 0
f4406ec1 186#define HAVE_AMD3DNOW 1
abdcd337 187#define RENAME(a) a ## _3DNOW
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188#include "rgb2rgb_template.c"
189
6e1c66bc 190#endif //ARCH_X86 || ARCH_X86_64
b238eb2e 191
a3aece93 192/*
8a322796 193 RGB15->RGB16 original by Strepto/Astral
a3aece93 194 ported to gcc & bugfixed : A'rpi
51da31f1 195 MMX2, 3DNOW optimization by Nick Kurshev
8a322796 196 32-bit C version, and and&add trick by Michael Niedermayer
a3aece93 197*/
fcfbc150 198
700490a4 199void sws_rgb2rgb_init(int flags){
f4406ec1 200#if (HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX) && CONFIG_GPL
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201 if (flags & SWS_CPU_CAPS_MMX2)
202 rgb2rgb_init_MMX2();
203 else if (flags & SWS_CPU_CAPS_3DNOW)
204 rgb2rgb_init_3DNOW();
205 else if (flags & SWS_CPU_CAPS_MMX)
206 rgb2rgb_init_MMX();
207 else
f4406ec1 208#endif /* HAVE_MMX2 || HAVE_AMD3DNOW || HAVE_MMX */
6e42e6c4 209 rgb2rgb_init_C();
ac4d0aea 210}
700490a4 211
fcfbc150 212/**
522ce957 213 * Convert the palette to the same packet 32-bit format as the palette
fcfbc150 214 */
522ce957 215void palette8topacked32(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
fcfbc150 216{
6e42e6c4 217 long i;
9780c7ff 218
6e42e6c4 219 for (i=0; i<num_pixels; i++)
522ce957 220 ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
6c1baeb0 221}
6c1baeb0 222
9ce6584e 223/**
522ce957 224 * Palette format: ABCD -> dst format: ABC
9ce6584e 225 */
522ce957 226void palette8topacked24(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
9ce6584e 227{
6e42e6c4 228 long i;
9ce6584e 229
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230 for (i=0; i<num_pixels; i++)
231 {
232 //FIXME slow?
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233 dst[0]= palette[src[i]*4+0];
234 dst[1]= palette[src[i]*4+1];
235 dst[2]= palette[src[i]*4+2];
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236 dst+= 3;
237 }
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AB
238}
239
fcfbc150 240/**
8a322796 241 * Palette is assumed to contain BGR16, see rgb32to16 to convert the palette.
fcfbc150 242 */
7f526efd 243void palette8torgb16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
fcfbc150 244{
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245 long i;
246 for (i=0; i<num_pixels; i++)
774c386a 247 ((uint16_t *)dst)[i] = ((const uint16_t *)palette)[src[i]];
fcfbc150 248}
7f526efd 249void palette8tobgr16(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
6c1baeb0 250{
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251 long i;
252 for (i=0; i<num_pixels; i++)
774c386a 253 ((uint16_t *)dst)[i] = bswap_16(((const uint16_t *)palette)[src[i]]);
6c1baeb0 254}
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255
256/**
10ef990d 257 * Palette is assumed to contain BGR15, see rgb32to15 to convert the palette.
fcfbc150 258 */
7f526efd 259void palette8torgb15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
fcfbc150 260{
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261 long i;
262 for (i=0; i<num_pixels; i++)
774c386a 263 ((uint16_t *)dst)[i] = ((const uint16_t *)palette)[src[i]];
9ce6584e 264}
7f526efd 265void palette8tobgr15(const uint8_t *src, uint8_t *dst, long num_pixels, const uint8_t *palette)
6c1baeb0 266{
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267 long i;
268 for (i=0; i<num_pixels; i++)
774c386a 269 ((uint16_t *)dst)[i] = bswap_16(((const uint16_t *)palette)[src[i]]);
6c1baeb0 270}
99969243 271
6107059c 272void rgb32to24(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 273{
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274 long i;
275 long num_pixels = src_size >> 2;
276 for (i=0; i<num_pixels; i++)
277 {
a898cdc9 278 #if HAVE_BIGENDIAN
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279 /* RGB32 (= A,B,G,R) -> BGR24 (= B,G,R) */
280 dst[3*i + 0] = src[4*i + 1];
281 dst[3*i + 1] = src[4*i + 2];
282 dst[3*i + 2] = src[4*i + 3];
283 #else
284 dst[3*i + 0] = src[4*i + 2];
285 dst[3*i + 1] = src[4*i + 1];
286 dst[3*i + 2] = src[4*i + 0];
287 #endif
288 }
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289}
290
6107059c 291void rgb24to32(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 292{
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293 long i;
294 for (i=0; 3*i<src_size; i++)
295 {
a898cdc9 296 #if HAVE_BIGENDIAN
6e42e6c4 297 /* RGB24 (= R,G,B) -> BGR32 (= A,R,G,B) */
f8a138be 298 dst[4*i + 0] = 255;
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299 dst[4*i + 1] = src[3*i + 0];
300 dst[4*i + 2] = src[3*i + 1];
301 dst[4*i + 3] = src[3*i + 2];
302 #else
303 dst[4*i + 0] = src[3*i + 2];
304 dst[4*i + 1] = src[3*i + 1];
305 dst[4*i + 2] = src[3*i + 0];
f8a138be 306 dst[4*i + 3] = 255;
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307 #endif
308 }
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309}
310
7f526efd 311void rgb16tobgr32(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 312{
6e42e6c4 313 const uint16_t *end;
72d6b610 314 uint8_t *d = dst;
774c386a 315 const uint16_t *s = (const uint16_t *)src;
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316 end = s + src_size/2;
317 while (s < end)
318 {
319 register uint16_t bgr;
320 bgr = *s++;
a898cdc9 321 #if HAVE_BIGENDIAN
f8a138be 322 *d++ = 255;
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323 *d++ = (bgr&0x1F)<<3;
324 *d++ = (bgr&0x7E0)>>3;
325 *d++ = (bgr&0xF800)>>8;
326 #else
327 *d++ = (bgr&0xF800)>>8;
328 *d++ = (bgr&0x7E0)>>3;
329 *d++ = (bgr&0x1F)<<3;
f8a138be 330 *d++ = 255;
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331 #endif
332 }
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333}
334
6107059c 335void rgb16to24(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 336{
6e42e6c4 337 const uint16_t *end;
72d6b610 338 uint8_t *d = dst;
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339 const uint16_t *s = (const uint16_t *)src;
340 end = s + src_size/2;
341 while (s < end)
342 {
343 register uint16_t bgr;
344 bgr = *s++;
345 *d++ = (bgr&0xF800)>>8;
346 *d++ = (bgr&0x7E0)>>3;
347 *d++ = (bgr&0x1F)<<3;
348 }
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349}
350
7f526efd 351void rgb16tobgr16(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 352{
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353 long i;
354 long num_pixels = src_size >> 1;
355
356 for (i=0; i<num_pixels; i++)
357 {
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358 unsigned rgb = ((const uint16_t*)src)[i];
359 ((uint16_t*)dst)[i] = (rgb>>11) | (rgb&0x7E0) | (rgb<<11);
6e42e6c4 360 }
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361}
362
7f526efd 363void rgb16tobgr15(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 364{
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365 long i;
366 long num_pixels = src_size >> 1;
367
368 for (i=0; i<num_pixels; i++)
369 {
7372e9bb
MN
370 unsigned rgb = ((const uint16_t*)src)[i];
371 ((uint16_t*)dst)[i] = (rgb>>11) | ((rgb&0x7C0)>>1) | ((rgb&0x1F)<<10);
6e42e6c4 372 }
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373}
374
7f526efd 375void rgb15tobgr32(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 376{
6e42e6c4 377 const uint16_t *end;
72d6b610 378 uint8_t *d = dst;
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379 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++;
a898cdc9 385 #if HAVE_BIGENDIAN
f8a138be 386 *d++ = 255;
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DB
387 *d++ = (bgr&0x1F)<<3;
388 *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;
f8a138be 394 *d++ = 255;
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395 #endif
396 }
ac4d0aea
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397}
398
6107059c 399void rgb15to24(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 400{
6e42e6c4 401 const uint16_t *end;
72d6b610 402 uint8_t *d = dst;
774c386a 403 const uint16_t *s = (const uint16_t *)src;
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DB
404 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 }
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413}
414
7f526efd 415void rgb15tobgr16(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 416{
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417 long i;
418 long num_pixels = src_size >> 1;
419
420 for (i=0; i<num_pixels; i++)
421 {
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422 unsigned rgb = ((const uint16_t*)src)[i];
423 ((uint16_t*)dst)[i] = ((rgb&0x7C00)>>10) | ((rgb&0x3E0)<<1) | (rgb<<11);
6e42e6c4 424 }
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425}
426
7f526efd 427void rgb15tobgr15(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 428{
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429 long i;
430 long num_pixels = src_size >> 1;
431
432 for (i=0; i<num_pixels; i++)
433 {
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434 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);
6e42e6c4 438 }
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439}
440
6107059c 441void bgr8torgb8(const uint8_t *src, uint8_t *dst, long src_size)
ac4d0aea 442{
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443 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 }
ac4d0aea 455}