2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #include "libavutil/attributes.h"
20 #include "libavutil/avassert.h"
21 #include "libavutil/cpu.h"
22 #include "libavutil/x86/cpu.h"
23 #include "libavcodec/avcodec.h"
24 #include "libavcodec/mpegvideoencdsp.h"
26 int ff_pix_sum16_mmx(uint8_t *pix
, int line_size
);
27 int ff_pix_sum16_mmxext(uint8_t *pix
, int line_size
);
28 int ff_pix_sum16_sse2(uint8_t *pix
, int line_size
);
29 int ff_pix_sum16_xop(uint8_t *pix
, int line_size
);
30 int ff_pix_norm1_mmx(uint8_t *pix
, int line_size
);
31 int ff_pix_norm1_sse2(uint8_t *pix
, int line_size
);
35 #define PHADDD(a, t) \
36 "movq " #a ", " #t " \n\t" \
37 "psrlq $32, " #a " \n\t" \
38 "paddd " #t ", " #a " \n\t"
41 * pmulhw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15])[16 - 31]
42 * pmulhrw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15] + 0x8000)[16 - 31]
43 * pmulhrsw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15] + 0x4000)[15 - 30]
45 #define PMULHRW(x, y, s, o) \
46 "pmulhw " #s ", " #x " \n\t" \
47 "pmulhw " #s ", " #y " \n\t" \
48 "paddw " #o ", " #x " \n\t" \
49 "paddw " #o ", " #y " \n\t" \
50 "psraw $1, " #x " \n\t" \
51 "psraw $1, " #y " \n\t"
52 #define DEF(x) x ## _mmx
53 #define SET_RND MOVQ_WONE
54 #define SCALE_OFFSET 1
56 #include "mpegvideoenc_qns_template.c"
63 #define DEF(x) x ## _3dnow
65 #define SCALE_OFFSET 0
66 #define PMULHRW(x, y, s, o) \
67 "pmulhrw " #s ", " #x " \n\t" \
68 "pmulhrw " #s ", " #y " \n\t"
70 #include "mpegvideoenc_qns_template.c"
79 #define DEF(x) x ## _ssse3
81 #define SCALE_OFFSET -1
83 #define PHADDD(a, t) \
84 "pshufw $0x0E, " #a ", " #t " \n\t" \
85 /* faster than phaddd on core2 */ \
86 "paddd " #t ", " #a " \n\t"
88 #define PMULHRW(x, y, s, o) \
89 "pmulhrsw " #s ", " #x " \n\t" \
90 "pmulhrsw " #s ", " #y " \n\t"
92 #include "mpegvideoenc_qns_template.c"
99 #endif /* HAVE_SSSE3_INLINE */
101 /* Draw the edges of width 'w' of an image of size width, height
102 * this MMX version can only handle w == 8 || w == 16. */
103 static void draw_edges_mmx(uint8_t *buf
, int wrap
, int width
, int height
,
104 int w
, int h
, int sides
)
106 uint8_t *ptr
, *last_line
;
109 last_line
= buf
+ (height
- 1) * wrap
;
115 "movd (%0), %%mm0 \n\t"
116 "punpcklbw %%mm0, %%mm0 \n\t"
117 "punpcklwd %%mm0, %%mm0 \n\t"
118 "punpckldq %%mm0, %%mm0 \n\t"
119 "movq %%mm0, -8(%0) \n\t"
120 "movq -8(%0, %2), %%mm1 \n\t"
121 "punpckhbw %%mm1, %%mm1 \n\t"
122 "punpckhwd %%mm1, %%mm1 \n\t"
123 "punpckhdq %%mm1, %%mm1 \n\t"
124 "movq %%mm1, (%0, %2) \n\t"
129 : "r" ((x86_reg
) wrap
), "r" ((x86_reg
) width
),
130 "r" (ptr
+ wrap
* height
));
131 } else if (w
== 16) {
134 "movd (%0), %%mm0 \n\t"
135 "punpcklbw %%mm0, %%mm0 \n\t"
136 "punpcklwd %%mm0, %%mm0 \n\t"
137 "punpckldq %%mm0, %%mm0 \n\t"
138 "movq %%mm0, -8(%0) \n\t"
139 "movq %%mm0, -16(%0) \n\t"
140 "movq -8(%0, %2), %%mm1 \n\t"
141 "punpckhbw %%mm1, %%mm1 \n\t"
142 "punpckhwd %%mm1, %%mm1 \n\t"
143 "punpckhdq %%mm1, %%mm1 \n\t"
144 "movq %%mm1, (%0, %2) \n\t"
145 "movq %%mm1, 8(%0, %2) \n\t"
150 : "r"((x86_reg
)wrap
), "r"((x86_reg
)width
), "r"(ptr
+ wrap
* height
)
156 "movd (%0), %%mm0 \n\t"
157 "punpcklbw %%mm0, %%mm0 \n\t"
158 "punpcklwd %%mm0, %%mm0 \n\t"
159 "movd %%mm0, -4(%0) \n\t"
160 "movd -4(%0, %2), %%mm1 \n\t"
161 "punpcklbw %%mm1, %%mm1 \n\t"
162 "punpckhwd %%mm1, %%mm1 \n\t"
163 "punpckhdq %%mm1, %%mm1 \n\t"
164 "movd %%mm1, (%0, %2) \n\t"
169 : "r" ((x86_reg
) wrap
), "r" ((x86_reg
) width
),
170 "r" (ptr
+ wrap
* height
));
173 /* top and bottom (and hopefully also the corners) */
174 if (sides
& EDGE_TOP
) {
175 for (i
= 0; i
< h
; i
+= 4) {
176 ptr
= buf
- (i
+ 1) * wrap
- w
;
179 "movq (%1, %0), %%mm0 \n\t"
180 "movq %%mm0, (%0) \n\t"
181 "movq %%mm0, (%0, %2) \n\t"
182 "movq %%mm0, (%0, %2, 2) \n\t"
183 "movq %%mm0, (%0, %3) \n\t"
188 : "r" ((x86_reg
) buf
- (x86_reg
) ptr
- w
),
189 "r" ((x86_reg
) - wrap
), "r" ((x86_reg
) - wrap
* 3),
190 "r" (ptr
+ width
+ 2 * w
));
194 if (sides
& EDGE_BOTTOM
) {
195 for (i
= 0; i
< h
; i
+= 4) {
196 ptr
= last_line
+ (i
+ 1) * wrap
- w
;
199 "movq (%1, %0), %%mm0 \n\t"
200 "movq %%mm0, (%0) \n\t"
201 "movq %%mm0, (%0, %2) \n\t"
202 "movq %%mm0, (%0, %2, 2) \n\t"
203 "movq %%mm0, (%0, %3) \n\t"
208 : "r" ((x86_reg
) last_line
- (x86_reg
) ptr
- w
),
209 "r" ((x86_reg
) wrap
), "r" ((x86_reg
) wrap
* 3),
210 "r" (ptr
+ width
+ 2 * w
));
215 #endif /* HAVE_INLINE_ASM */
217 av_cold
void ff_mpegvideoencdsp_init_x86(MpegvideoEncDSPContext
*c
,
218 AVCodecContext
*avctx
)
220 int cpu_flags
= av_get_cpu_flags();
223 if (EXTERNAL_MMX(cpu_flags
)) {
224 c
->pix_sum
= ff_pix_sum16_mmx
;
225 c
->pix_norm1
= ff_pix_norm1_mmx
;
228 if (EXTERNAL_MMXEXT(cpu_flags
)) {
229 c
->pix_sum
= ff_pix_sum16_mmxext
;
233 if (EXTERNAL_SSE2(cpu_flags
)) {
234 c
->pix_sum
= ff_pix_sum16_sse2
;
235 c
->pix_norm1
= ff_pix_norm1_sse2
;
238 if (EXTERNAL_XOP(cpu_flags
)) {
239 c
->pix_sum
= ff_pix_sum16_xop
;
244 if (INLINE_MMX(cpu_flags
)) {
245 if (!(avctx
->flags
& CODEC_FLAG_BITEXACT
)) {
246 c
->try_8x8basis
= try_8x8basis_mmx
;
248 c
->add_8x8basis
= add_8x8basis_mmx
;
250 if (avctx
->bits_per_raw_sample
<= 8) {
251 c
->draw_edges
= draw_edges_mmx
;
255 if (INLINE_AMD3DNOW(cpu_flags
)) {
256 if (!(avctx
->flags
& CODEC_FLAG_BITEXACT
)) {
257 c
->try_8x8basis
= try_8x8basis_3dnow
;
259 c
->add_8x8basis
= add_8x8basis_3dnow
;
262 #if HAVE_SSSE3_INLINE
263 if (INLINE_SSSE3(cpu_flags
)) {
264 if (!(avctx
->flags
& CODEC_FLAG_BITEXACT
)) {
265 c
->try_8x8basis
= try_8x8basis_ssse3
;
267 c
->add_8x8basis
= add_8x8basis_ssse3
;
269 #endif /* HAVE_SSSE3_INLINE */
271 #endif /* HAVE_INLINE_ASM */