2 * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of Libav.
6 * Libav 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.
11 * Libav 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.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #include "libswscale/swscale.h"
24 #include "libswscale/swscale_internal.h"
25 #include "libavutil/intreadwrite.h"
26 #include "libavutil/x86_cpu.h"
27 #include "libavutil/cpu.h"
28 #include "libavutil/pixdesc.h"
30 DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL;
31 DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL;
32 DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL;
33 DECLARE_ASM_CONST(8, uint64_t, w02)= 0x0002000200020002LL;
34 DECLARE_ASM_CONST(8, uint64_t, bm00001111)=0x00000000FFFFFFFFLL;
35 DECLARE_ASM_CONST(8, uint64_t, bm00000111)=0x0000000000FFFFFFLL;
36 DECLARE_ASM_CONST(8, uint64_t, bm11111000)=0xFFFFFFFFFF000000LL;
37 DECLARE_ASM_CONST(8, uint64_t, bm01010101)=0x00FF00FF00FF00FFLL;
39 const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = {
41 0x0200020002000200LL,};
43 const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = {
45 0x0004000400040004LL,};
47 DECLARE_ASM_CONST(8, uint64_t, b16Mask)= 0x001F001F001F001FLL;
48 DECLARE_ASM_CONST(8, uint64_t, g16Mask)= 0x07E007E007E007E0LL;
49 DECLARE_ASM_CONST(8, uint64_t, r16Mask)= 0xF800F800F800F800LL;
50 DECLARE_ASM_CONST(8, uint64_t, b15Mask)= 0x001F001F001F001FLL;
51 DECLARE_ASM_CONST(8, uint64_t, g15Mask)= 0x03E003E003E003E0LL;
52 DECLARE_ASM_CONST(8, uint64_t, r15Mask)= 0x7C007C007C007C00LL;
54 DECLARE_ALIGNED(8, const uint64_t, ff_M24A) = 0x00FF0000FF0000FFLL;
55 DECLARE_ALIGNED(8, const uint64_t, ff_M24B) = 0xFF0000FF0000FF00LL;
56 DECLARE_ALIGNED(8, const uint64_t, ff_M24C) = 0x0000FF0000FF0000LL;
59 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000000210041000DULL;
60 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000FFEEFFDC0038ULL;
61 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00000038FFD2FFF8ULL;
63 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000020E540830C8BULL;
64 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000ED0FDAC23831ULL;
65 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00003831D0E6F6EAULL;
66 #endif /* FAST_BGR2YV12 */
67 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset) = 0x1010101010101010ULL;
68 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;
69 DECLARE_ALIGNED(8, const uint64_t, ff_w1111) = 0x0001000100010001ULL;
71 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY1Coeff) = 0x0C88000040870C88ULL;
72 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toY2Coeff) = 0x20DE4087000020DEULL;
73 DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY1Coeff) = 0x20DE0000408720DEULL;
74 DECLARE_ASM_CONST(8, uint64_t, ff_rgb24toY2Coeff) = 0x0C88408700000C88ULL;
75 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toYOffset) = 0x0008400000084000ULL;
77 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUV)[2][4] = {
78 {0x38380000DAC83838ULL, 0xECFFDAC80000ECFFULL, 0xF6E40000D0E3F6E4ULL, 0x3838D0E300003838ULL},
79 {0xECFF0000DAC8ECFFULL, 0x3838DAC800003838ULL, 0x38380000D0E33838ULL, 0xF6E4D0E30000F6E4ULL},
82 DECLARE_ASM_CONST(8, uint64_t, ff_bgr24toUVOffset)= 0x0040400000404000ULL;
87 #define COMPILE_TEMPLATE_MMX2 0
88 #define RENAME(a) a ## _MMX
89 #include "swscale_template.c"
95 #undef COMPILE_TEMPLATE_MMX2
96 #define COMPILE_TEMPLATE_MMX2 1
97 #define RENAME(a) a ## _MMX2
98 #include "swscale_template.c"
101 void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex,
102 int lastInLumBuf, int lastInChrBuf)
104 const int dstH= c->dstH;
105 const int flags= c->flags;
106 int16_t **lumPixBuf= c->lumPixBuf;
107 int16_t **chrUPixBuf= c->chrUPixBuf;
108 int16_t **alpPixBuf= c->alpPixBuf;
109 const int vLumBufSize= c->vLumBufSize;
110 const int vChrBufSize= c->vChrBufSize;
111 int16_t *vLumFilterPos= c->vLumFilterPos;
112 int16_t *vChrFilterPos= c->vChrFilterPos;
113 int16_t *vLumFilter= c->vLumFilter;
114 int16_t *vChrFilter= c->vChrFilter;
115 int32_t *lumMmxFilter= c->lumMmxFilter;
116 int32_t *chrMmxFilter= c->chrMmxFilter;
117 int32_t av_unused *alpMmxFilter= c->alpMmxFilter;
118 const int vLumFilterSize= c->vLumFilterSize;
119 const int vChrFilterSize= c->vChrFilterSize;
120 const int chrDstY= dstY>>c->chrDstVSubSample;
121 const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
122 const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
124 c->blueDither= ff_dither8[dstY&1];
125 if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555)
126 c->greenDither= ff_dither8[dstY&1];
128 c->greenDither= ff_dither4[dstY&1];
129 c->redDither= ff_dither8[(dstY+1)&1];
130 if (dstY < dstH - 2) {
131 const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
132 const int16_t **chrUSrcPtr= (const int16_t **) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
133 const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
135 if (flags & SWS_ACCURATE_RND) {
136 int s= APCK_SIZE / 8;
137 for (i=0; i<vLumFilterSize; i+=2) {
138 *(const void**)&lumMmxFilter[s*i ]= lumSrcPtr[i ];
139 *(const void**)&lumMmxFilter[s*i+APCK_PTR2/4 ]= lumSrcPtr[i+(vLumFilterSize>1)];
140 lumMmxFilter[s*i+APCK_COEF/4 ]=
141 lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i ]
142 + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
143 if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
144 *(const void**)&alpMmxFilter[s*i ]= alpSrcPtr[i ];
145 *(const void**)&alpMmxFilter[s*i+APCK_PTR2/4 ]= alpSrcPtr[i+(vLumFilterSize>1)];
146 alpMmxFilter[s*i+APCK_COEF/4 ]=
147 alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4 ];
150 for (i=0; i<vChrFilterSize; i+=2) {
151 *(const void**)&chrMmxFilter[s*i ]= chrUSrcPtr[i ];
152 *(const void**)&chrMmxFilter[s*i+APCK_PTR2/4 ]= chrUSrcPtr[i+(vChrFilterSize>1)];
153 chrMmxFilter[s*i+APCK_COEF/4 ]=
154 chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i ]
155 + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
158 for (i=0; i<vLumFilterSize; i++) {
159 *(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
162 ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
163 if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
164 *(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
166 alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
169 for (i=0; i<vChrFilterSize; i++) {
170 *(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
173 ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
179 #define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt) \
180 extern void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \
181 SwsContext *c, int16_t *data, \
182 int dstW, const uint8_t *src, \
183 const int16_t *filter, \
184 const int16_t *filterPos, int filterSize)
186 #define SCALE_FUNCS(filter_n, opt) \
187 SCALE_FUNC(filter_n, 8, 15, opt); \
188 SCALE_FUNC(filter_n, 9, 15, opt); \
189 SCALE_FUNC(filter_n, 10, 15, opt); \
190 SCALE_FUNC(filter_n, 16, 15, opt); \
191 SCALE_FUNC(filter_n, 8, 19, opt); \
192 SCALE_FUNC(filter_n, 9, 19, opt); \
193 SCALE_FUNC(filter_n, 10, 19, opt); \
194 SCALE_FUNC(filter_n, 16, 19, opt)
196 #define SCALE_FUNCS_MMX(opt) \
197 SCALE_FUNCS(4, opt); \
198 SCALE_FUNCS(8, opt); \
201 #define SCALE_FUNCS_SSE(opt) \
202 SCALE_FUNCS(4, opt); \
203 SCALE_FUNCS(8, opt); \
204 SCALE_FUNCS(X4, opt); \
208 SCALE_FUNCS_MMX(mmx);
210 SCALE_FUNCS_SSE(sse2);
211 SCALE_FUNCS_SSE(ssse3);
212 SCALE_FUNCS_SSE(sse4);
214 #define VSCALEX_FUNC(size, opt) \
215 extern void ff_yuv2planeX_ ## size ## _ ## opt(const int16_t *filter, int filterSize, \
216 const int16_t **src, uint8_t *dest, int dstW, \
217 const uint8_t *dither, int offset)
218 #define VSCALEX_FUNCS(opt) \
219 VSCALEX_FUNC(8, opt); \
220 VSCALEX_FUNC(9, opt); \
221 VSCALEX_FUNC(10, opt)
228 VSCALEX_FUNC(16, sse4);
231 #define VSCALE_FUNC(size, opt) \
232 extern void ff_yuv2plane1_ ## size ## _ ## opt(const int16_t *src, uint8_t *dst, int dstW, \
233 const uint8_t *dither, int offset)
234 #define VSCALE_FUNCS(opt1, opt2) \
235 VSCALE_FUNC(8, opt1); \
236 VSCALE_FUNC(9, opt2); \
237 VSCALE_FUNC(10, opt2); \
238 VSCALE_FUNC(16, opt1)
241 VSCALE_FUNCS(mmx, mmx2);
243 VSCALE_FUNCS(sse2, sse2);
244 VSCALE_FUNC(16, sse4);
245 VSCALE_FUNCS(avx, avx);
247 #define INPUT_UV_FUNC(fmt, opt) \
248 extern void ff_ ## fmt ## ToUV_ ## opt(uint8_t *dstU, uint8_t *dstV, \
249 const uint8_t *src, const uint8_t *unused1, \
250 int w, uint32_t *unused2)
251 #define INPUT_FUNC(fmt, opt) \
252 extern void ff_ ## fmt ## ToY_ ## opt(uint8_t *dst, const uint8_t *src, \
253 int w, uint32_t *unused); \
254 INPUT_UV_FUNC(fmt, opt)
255 #define INPUT_FUNCS(opt) \
256 INPUT_FUNC(uyvy, opt); \
257 INPUT_FUNC(yuyv, opt); \
258 INPUT_UV_FUNC(nv12, opt); \
259 INPUT_UV_FUNC(nv21, opt)
267 void ff_sws_init_swScale_mmx(SwsContext *c)
269 int cpu_flags = av_get_cpu_flags();
271 if (cpu_flags & AV_CPU_FLAG_MMX)
272 sws_init_swScale_MMX(c);
274 if (cpu_flags & AV_CPU_FLAG_MMX2)
275 sws_init_swScale_MMX2(c);
279 #define ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt1, opt2) do { \
280 if (c->srcBpc == 8) { \
281 hscalefn = c->dstBpc <= 10 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \
282 ff_hscale8to19_ ## filtersize ## _ ## opt1; \
283 } else if (c->srcBpc == 9) { \
284 hscalefn = c->dstBpc <= 10 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \
285 ff_hscale9to19_ ## filtersize ## _ ## opt1; \
286 } else if (c->srcBpc == 10) { \
287 hscalefn = c->dstBpc <= 10 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \
288 ff_hscale10to19_ ## filtersize ## _ ## opt1; \
289 } else /* c->srcBpc == 16 */ { \
290 hscalefn = c->dstBpc <= 10 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \
291 ff_hscale16to19_ ## filtersize ## _ ## opt1; \
294 #define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
295 switch (filtersize) { \
296 case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
297 case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
298 default: ASSIGN_SCALE_FUNC2(hscalefn, X, opt1, opt2); break; \
300 #define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case) \
302 case 16: do_16_case; break; \
303 case 10: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_10_ ## opt; break; \
304 case 9: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_9_ ## opt; break; \
305 default: vscalefn = ff_yuv2planeX_8_ ## opt; break; \
307 #define ASSIGN_VSCALE_FUNC(vscalefn, opt1, opt2, opt2chk) \
309 case 16: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2plane1_16_ ## opt1; break; \
310 case 10: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_10_ ## opt2; break; \
311 case 9: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_9_ ## opt2; break; \
312 default: vscalefn = ff_yuv2plane1_8_ ## opt1; break; \
315 if (cpu_flags & AV_CPU_FLAG_MMX) {
316 ASSIGN_MMX_SCALE_FUNC(c->hyScale, c->hLumFilterSize, mmx, mmx);
317 ASSIGN_MMX_SCALE_FUNC(c->hcScale, c->hChrFilterSize, mmx, mmx);
318 ASSIGN_VSCALE_FUNC(c->yuv2plane1, mmx, mmx2, cpu_flags & AV_CPU_FLAG_MMX2);
320 switch (c->srcFormat) {
322 c->lumToYV12 = ff_yuyvToY_mmx;
324 c->alpToYV12 = ff_uyvyToY_mmx;
326 case PIX_FMT_YUYV422:
327 c->lumToYV12 = ff_yuyvToY_mmx;
328 c->chrToYV12 = ff_yuyvToUV_mmx;
330 case PIX_FMT_UYVY422:
331 c->lumToYV12 = ff_uyvyToY_mmx;
332 c->chrToYV12 = ff_uyvyToUV_mmx;
335 c->chrToYV12 = ff_nv12ToUV_mmx;
338 c->chrToYV12 = ff_nv21ToUV_mmx;
344 if (cpu_flags & AV_CPU_FLAG_MMX2) {
345 ASSIGN_VSCALEX_FUNC(c->yuv2planeX, mmx2,);
348 #define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
349 switch (filtersize) { \
350 case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
351 case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
352 default: if (filtersize & 4) ASSIGN_SCALE_FUNC2(hscalefn, X4, opt1, opt2); \
353 else ASSIGN_SCALE_FUNC2(hscalefn, X8, opt1, opt2); \
356 if (cpu_flags & AV_CPU_FLAG_SSE2) {
357 ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse2, sse2);
358 ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse2, sse2);
359 ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse2,);
360 ASSIGN_VSCALE_FUNC(c->yuv2plane1, sse2, sse2, 1);
362 switch (c->srcFormat) {
364 c->lumToYV12 = ff_yuyvToY_sse2;
366 c->alpToYV12 = ff_uyvyToY_sse2;
368 case PIX_FMT_YUYV422:
369 c->lumToYV12 = ff_yuyvToY_sse2;
370 c->chrToYV12 = ff_yuyvToUV_sse2;
372 case PIX_FMT_UYVY422:
373 c->lumToYV12 = ff_uyvyToY_sse2;
374 c->chrToYV12 = ff_uyvyToUV_sse2;
377 c->chrToYV12 = ff_nv12ToUV_sse2;
380 c->chrToYV12 = ff_nv21ToUV_sse2;
384 if (cpu_flags & AV_CPU_FLAG_SSSE3) {
385 ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, ssse3, ssse3);
386 ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, ssse3, ssse3);
388 if (cpu_flags & AV_CPU_FLAG_SSE4) {
389 /* Xto15 don't need special sse4 functions */
390 ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse4, ssse3);
391 ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse4, ssse3);
392 ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse4,
393 if (!isBE(c->dstFormat)) c->yuv2planeX = ff_yuv2planeX_16_sse4);
394 if (c->dstBpc == 16 && !isBE(c->dstFormat))
395 c->yuv2plane1 = ff_yuv2plane1_16_sse4;
398 if (cpu_flags & AV_CPU_FLAG_AVX) {
399 ASSIGN_VSCALEX_FUNC(c->yuv2planeX, avx,);
400 ASSIGN_VSCALE_FUNC(c->yuv2plane1, avx, avx, 1);
402 switch (c->srcFormat) {
403 case PIX_FMT_YUYV422:
404 c->chrToYV12 = ff_yuyvToUV_avx;
406 case PIX_FMT_UYVY422:
407 c->chrToYV12 = ff_uyvyToUV_avx;
410 c->chrToYV12 = ff_nv12ToUV_avx;
413 c->chrToYV12 = ff_nv21ToUV_avx;