29 static void hardthresh_mmx(int16_t dst[64],
const int16_t
src[64],
30 int qp,
const uint8_t *permutation)
33 unsigned int threshold1;
35 threshold1 = qp * ((1<<4) - bias) - 1;
37 #define REQUANT_CORE(dst0, dst1, dst2, dst3, src0, src1, src2, src3) \
38 "movq " #src0 ", %%mm0 \n" \
39 "movq " #src1 ", %%mm1 \n" \
40 "movq " #src2 ", %%mm2 \n" \
41 "movq " #src3 ", %%mm3 \n" \
42 "psubw %%mm4, %%mm0 \n" \
43 "psubw %%mm4, %%mm1 \n" \
44 "psubw %%mm4, %%mm2 \n" \
45 "psubw %%mm4, %%mm3 \n" \
46 "paddusw %%mm5, %%mm0 \n" \
47 "paddusw %%mm5, %%mm1 \n" \
48 "paddusw %%mm5, %%mm2 \n" \
49 "paddusw %%mm5, %%mm3 \n" \
50 "paddw %%mm6, %%mm0 \n" \
51 "paddw %%mm6, %%mm1 \n" \
52 "paddw %%mm6, %%mm2 \n" \
53 "paddw %%mm6, %%mm3 \n" \
54 "psubusw %%mm6, %%mm0 \n" \
55 "psubusw %%mm6, %%mm1 \n" \
56 "psubusw %%mm6, %%mm2 \n" \
57 "psubusw %%mm6, %%mm3 \n" \
58 "psraw $3, %%mm0 \n" \
59 "psraw $3, %%mm1 \n" \
60 "psraw $3, %%mm2 \n" \
61 "psraw $3, %%mm3 \n" \
63 "movq %%mm0, %%mm7 \n" \
64 "punpcklwd %%mm2, %%mm0 \n" \
65 "punpckhwd %%mm2, %%mm7 \n" \
66 "movq %%mm1, %%mm2 \n" \
67 "punpcklwd %%mm3, %%mm1 \n" \
68 "punpckhwd %%mm3, %%mm2 \n" \
69 "movq %%mm0, %%mm3 \n" \
70 "punpcklwd %%mm1, %%mm0 \n" \
71 "punpckhwd %%mm7, %%mm3 \n" \
72 "punpcklwd %%mm2, %%mm7 \n" \
73 "punpckhwd %%mm2, %%mm1 \n" \
75 "movq %%mm0, " #dst0 " \n" \
76 "movq %%mm7, " #dst1 " \n" \
77 "movq %%mm3, " #dst2 " \n" \
78 "movq %%mm1, " #dst3 " \n"
84 "packssdw %%mm4, %%mm4 \n"
85 "packssdw %%mm5, %%mm5 \n"
86 "packssdw %%mm6, %%mm6 \n"
87 "packssdw %%mm4, %%mm4 \n"
88 "packssdw %%mm5, %%mm5 \n"
89 "packssdw %%mm6, %%mm6 \n"
90 REQUANT_CORE( (%1), 8(%1), 16(%1), 24(%1), (%0), 8(%0), 64(%0), 72(%0))
91 REQUANT_CORE(32(%1), 40(%1), 48(%1), 56(%1),16(%0),24(%0), 48(%0), 56(%0))
92 REQUANT_CORE(64(%1), 72(%1), 80(%1), 88(%1),32(%0),40(%0), 96(%0),104(%0))
93 REQUANT_CORE(96(%1),104(%1),112(%1),120(%1),80(%0),88(%0),112(%0),120(%0))
94 : : "
r" (
src), "
r" (dst), "
g" (threshold1+1), "
g" (threshold1+5), "
g" (threshold1-4)
96 dst[0] = (src[0] + 4) >> 3;
99 static
void softthresh_mmx(int16_t dst[64], const int16_t src[64],
100 int qp, const
uint8_t *permutation)
103 unsigned int threshold1;
105 threshold1 = qp*((1<<4) - bias) - 1;
108 #define REQUANT_CORE(dst0, dst1, dst2, dst3, src0, src1, src2, src3) \
109 "movq " #src0 ", %%mm0 \n" \
110 "movq " #src1 ", %%mm1 \n" \
111 "pxor %%mm6, %%mm6 \n" \
112 "pxor %%mm7, %%mm7 \n" \
113 "pcmpgtw %%mm0, %%mm6 \n" \
114 "pcmpgtw %%mm1, %%mm7 \n" \
115 "pxor %%mm6, %%mm0 \n" \
116 "pxor %%mm7, %%mm1 \n" \
117 "psubusw %%mm4, %%mm0 \n" \
118 "psubusw %%mm4, %%mm1 \n" \
119 "pxor %%mm6, %%mm0 \n" \
120 "pxor %%mm7, %%mm1 \n" \
121 "movq " #src2 ", %%mm2 \n" \
122 "movq " #src3 ", %%mm3 \n" \
123 "pxor %%mm6, %%mm6 \n" \
124 "pxor %%mm7, %%mm7 \n" \
125 "pcmpgtw %%mm2, %%mm6 \n" \
126 "pcmpgtw %%mm3, %%mm7 \n" \
127 "pxor %%mm6, %%mm2 \n" \
128 "pxor %%mm7, %%mm3 \n" \
129 "psubusw %%mm4, %%mm2 \n" \
130 "psubusw %%mm4, %%mm3 \n" \
131 "pxor %%mm6, %%mm2 \n" \
132 "pxor %%mm7, %%mm3 \n" \
134 "paddsw %%mm5, %%mm0 \n" \
135 "paddsw %%mm5, %%mm1 \n" \
136 "paddsw %%mm5, %%mm2 \n" \
137 "paddsw %%mm5, %%mm3 \n" \
138 "psraw $3, %%mm0 \n" \
139 "psraw $3, %%mm1 \n" \
140 "psraw $3, %%mm2 \n" \
141 "psraw $3, %%mm3 \n" \
143 "movq %%mm0, %%mm7 \n" \
144 "punpcklwd %%mm2, %%mm0 \n" \
145 "punpckhwd %%mm2, %%mm7 \n" \
146 "movq %%mm1, %%mm2 \n" \
147 "punpcklwd %%mm3, %%mm1 \n" \
148 "punpckhwd %%mm3, %%mm2 \n" \
149 "movq %%mm0, %%mm3 \n" \
150 "punpcklwd %%mm1, %%mm0 \n" \
151 "punpckhwd %%mm7, %%mm3 \n" \
152 "punpcklwd %%mm2, %%mm7 \n" \
153 "punpckhwd %%mm2, %%mm1 \n" \
155 "movq %%mm0, " #dst0 " \n" \
156 "movq %%mm7, " #dst1 " \n" \
157 "movq %%mm3, " #dst2 " \n" \
158 "movq %%mm1, " #dst3 " \n"
163 "packssdw %%mm4, %%mm4 \n"
164 "packssdw %%mm5, %%mm5 \n"
165 "packssdw %%mm4, %%mm4 \n"
166 "packssdw %%mm5, %%mm5 \n"
167 REQUANT_CORE( (%1), 8(%1), 16(%1), 24(%1), (%0), 8(%0), 64(%0), 72(%0))
168 REQUANT_CORE(32(%1), 40(%1), 48(%1), 56(%1),16(%0),24(%0), 48(%0), 56(%0))
169 REQUANT_CORE(64(%1), 72(%1), 80(%1), 88(%1),32(%0),40(%0), 96(%0),104(%0))
170 REQUANT_CORE(96(%1),104(%1),112(%1),120(%1),80(%0),88(%0),112(%0),120(%0))
171 : : "
r" (
src), "
r" (dst), "
g" (threshold1), "rm" (4)
174 dst[0] = (src[0] + 4) >> 3;
177 static
void store_slice_mmx(
uint8_t *dst, const int16_t *src,
178 int dst_stride,
int src_stride,
184 for (y = 0; y <
height; y++) {
188 "movq (%3), %%mm3 \n"
189 "movq (%3), %%mm4 \n"
191 "pxor %%mm0, %%mm0 \n"
192 "punpcklbw %%mm0, %%mm3 \n"
193 "punpckhbw %%mm0, %%mm4 \n"
194 "psraw %%mm2, %%mm3 \n"
195 "psraw %%mm2, %%mm4 \n"
198 "movq (%0), %%mm0 \n"
199 "movq 8(%0), %%mm1 \n"
200 "paddw %%mm3, %%mm0 \n"
201 "paddw %%mm4, %%mm1 \n"
202 "psraw %%mm2, %%mm0 \n"
203 "psraw %%mm2, %%mm1 \n"
204 "packuswb %%mm1, %%mm0 \n"
205 "movq %%mm0, (%1) \n"
210 :
"+r" (
src1),
"+r"(dst1)
211 :
"r"(dst +
width),
"r"(dither[y]),
"g"(log2_scale),
"g"(
MAX_LEVEL - log2_scale)
231 case 0: s->
requantize = hardthresh_mmx;
break;
232 case 1: s->
requantize = softthresh_mmx;
break;
av_cold void ff_spp_init_x86(SPPContext *s)
Memory handling functions.
void(* requantize)(int16_t dst[64], const int16_t src[64], int qp, const uint8_t *permutation)
static atomic_int cpu_flags
Macro definitions for various function/variable attributes.
static const uint8_t dither[8][8]
int av_opt_get_int(void *obj, const char *name, int search_flags, int64_t *out_val)
#define AV_CPU_FLAG_MMX
standard MMX
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
void(* store_slice)(uint8_t *dst, const int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale, const uint8_t dither[8][8])