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_sse2(uint8_t *pix
, int line_size
);
28 int ff_pix_sum16_xop(uint8_t *pix
, int line_size
);
29 int ff_pix_norm1_mmx(uint8_t *pix
, int line_size
);
30 int ff_pix_norm1_sse2(uint8_t *pix
, int line_size
);
34 #define PHADDD(a, t) \
35 "movq " #a ", " #t " \n\t" \
36 "psrlq $32, " #a " \n\t" \
37 "paddd " #t ", " #a " \n\t"
40 * pmulhw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15])[16 - 31]
41 * pmulhrw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15] + 0x8000)[16 - 31]
42 * pmulhrsw: dst[0 - 15] = (src[0 - 15] * dst[0 - 15] + 0x4000)[15 - 30]
44 #define PMULHRW(x, y, s, o) \
45 "pmulhw " #s ", " #x " \n\t" \
46 "pmulhw " #s ", " #y " \n\t" \
47 "paddw " #o ", " #x " \n\t" \
48 "paddw " #o ", " #y " \n\t" \
49 "psraw $1, " #x " \n\t" \
50 "psraw $1, " #y " \n\t"
51 #define DEF(x) x ## _mmx
52 #define SET_RND MOVQ_WONE
53 #define SCALE_OFFSET 1
55 #include "mpegvideoenc_qns_template.c"
62 #define DEF(x) x ## _3dnow
64 #define SCALE_OFFSET 0
65 #define PMULHRW(x, y, s, o) \
66 "pmulhrw " #s ", " #x " \n\t" \
67 "pmulhrw " #s ", " #y " \n\t"
69 #include "mpegvideoenc_qns_template.c"
78 #define DEF(x) x ## _ssse3
80 #define SCALE_OFFSET -1
82 #define PHADDD(a, t) \
83 "pshufw $0x0E, " #a ", " #t " \n\t" \
84 /* faster than phaddd on core2 */ \
85 "paddd " #t ", " #a " \n\t"
87 #define PMULHRW(x, y, s, o) \
88 "pmulhrsw " #s ", " #x " \n\t" \
89 "pmulhrsw " #s ", " #y " \n\t"
91 #include "mpegvideoenc_qns_template.c"
98 #endif /* HAVE_SSSE3_INLINE */
100 /* Draw the edges of width 'w' of an image of size width, height
101 * this MMX version can only handle w == 8 || w == 16. */
102 static void draw_edges_mmx(uint8_t *buf
, int wrap
, int width
, int height
,
103 int w
, int h
, int sides
)
105 uint8_t *ptr
, *last_line
;
108 last_line
= buf
+ (height
- 1) * wrap
;
114 "movd (%0), %%mm0 \n\t"
115 "punpcklbw %%mm0, %%mm0 \n\t"
116 "punpcklwd %%mm0, %%mm0 \n\t"
117 "punpckldq %%mm0, %%mm0 \n\t"
118 "movq %%mm0, -8(%0) \n\t"
119 "movq -8(%0, %2), %%mm1 \n\t"
120 "punpckhbw %%mm1, %%mm1 \n\t"
121 "punpckhwd %%mm1, %%mm1 \n\t"
122 "punpckhdq %%mm1, %%mm1 \n\t"
123 "movq %%mm1, (%0, %2) \n\t"
128 : "r" ((x86_reg
) wrap
), "r" ((x86_reg
) width
),
129 "r" (ptr
+ wrap
* height
));
130 } else if (w
== 16) {
133 "movd (%0), %%mm0 \n\t"
134 "punpcklbw %%mm0, %%mm0 \n\t"
135 "punpcklwd %%mm0, %%mm0 \n\t"
136 "punpckldq %%mm0, %%mm0 \n\t"
137 "movq %%mm0, -8(%0) \n\t"
138 "movq %%mm0, -16(%0) \n\t"
139 "movq -8(%0, %2), %%mm1 \n\t"
140 "punpckhbw %%mm1, %%mm1 \n\t"
141 "punpckhwd %%mm1, %%mm1 \n\t"
142 "punpckhdq %%mm1, %%mm1 \n\t"
143 "movq %%mm1, (%0, %2) \n\t"
144 "movq %%mm1, 8(%0, %2) \n\t"
149 : "r"((x86_reg
)wrap
), "r"((x86_reg
)width
), "r"(ptr
+ wrap
* height
)
155 "movd (%0), %%mm0 \n\t"
156 "punpcklbw %%mm0, %%mm0 \n\t"
157 "punpcklwd %%mm0, %%mm0 \n\t"
158 "movd %%mm0, -4(%0) \n\t"
159 "movd -4(%0, %2), %%mm1 \n\t"
160 "punpcklbw %%mm1, %%mm1 \n\t"
161 "punpckhwd %%mm1, %%mm1 \n\t"
162 "punpckhdq %%mm1, %%mm1 \n\t"
163 "movd %%mm1, (%0, %2) \n\t"
168 : "r" ((x86_reg
) wrap
), "r" ((x86_reg
) width
),
169 "r" (ptr
+ wrap
* height
));
172 /* top and bottom (and hopefully also the corners) */
173 if (sides
& EDGE_TOP
) {
174 for (i
= 0; i
< h
; i
+= 4) {
175 ptr
= buf
- (i
+ 1) * wrap
- w
;
178 "movq (%1, %0), %%mm0 \n\t"
179 "movq %%mm0, (%0) \n\t"
180 "movq %%mm0, (%0, %2) \n\t"
181 "movq %%mm0, (%0, %2, 2) \n\t"
182 "movq %%mm0, (%0, %3) \n\t"
187 : "r" ((x86_reg
) buf
- (x86_reg
) ptr
- w
),
188 "r" ((x86_reg
) - wrap
), "r" ((x86_reg
) - wrap
* 3),
189 "r" (ptr
+ width
+ 2 * w
));
193 if (sides
& EDGE_BOTTOM
) {
194 for (i
= 0; i
< h
; i
+= 4) {
195 ptr
= last_line
+ (i
+ 1) * wrap
- w
;
198 "movq (%1, %0), %%mm0 \n\t"
199 "movq %%mm0, (%0) \n\t"
200 "movq %%mm0, (%0, %2) \n\t"
201 "movq %%mm0, (%0, %2, 2) \n\t"
202 "movq %%mm0, (%0, %3) \n\t"
207 : "r" ((x86_reg
) last_line
- (x86_reg
) ptr
- w
),
208 "r" ((x86_reg
) wrap
), "r" ((x86_reg
) wrap
* 3),
209 "r" (ptr
+ width
+ 2 * w
));
214 #endif /* HAVE_INLINE_ASM */
216 av_cold
void ff_mpegvideoencdsp_init_x86(MpegvideoEncDSPContext
*c
,
217 AVCodecContext
*avctx
)
219 int cpu_flags
= av_get_cpu_flags();
221 if (EXTERNAL_MMX(cpu_flags
)) {
222 c
->pix_sum
= ff_pix_sum16_mmx
;
223 c
->pix_norm1
= ff_pix_norm1_mmx
;
226 if (EXTERNAL_SSE2(cpu_flags
)) {
227 c
->pix_sum
= ff_pix_sum16_sse2
;
228 c
->pix_norm1
= ff_pix_norm1_sse2
;
231 if (EXTERNAL_XOP(cpu_flags
)) {
232 c
->pix_sum
= ff_pix_sum16_xop
;
237 if (INLINE_MMX(cpu_flags
)) {
238 if (!(avctx
->flags
& CODEC_FLAG_BITEXACT
)) {
239 c
->try_8x8basis
= try_8x8basis_mmx
;
241 c
->add_8x8basis
= add_8x8basis_mmx
;
243 if (avctx
->bits_per_raw_sample
<= 8) {
244 c
->draw_edges
= draw_edges_mmx
;
248 if (INLINE_AMD3DNOW(cpu_flags
)) {
249 if (!(avctx
->flags
& CODEC_FLAG_BITEXACT
)) {
250 c
->try_8x8basis
= try_8x8basis_3dnow
;
252 c
->add_8x8basis
= add_8x8basis_3dnow
;
255 #if HAVE_SSSE3_INLINE
256 if (INLINE_SSSE3(cpu_flags
)) {
257 if (!(avctx
->flags
& CODEC_FLAG_BITEXACT
)) {
258 c
->try_8x8basis
= try_8x8basis_ssse3
;
260 c
->add_8x8basis
= add_8x8basis_ssse3
;
262 #endif /* HAVE_SSSE3_INLINE */
264 #endif /* HAVE_INLINE_ASM */