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rv40dsp_init.c
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1 /*
2  * RV40 decoder motion compensation functions x86-optimised
3  * Copyright (c) 2008 Konstantin Shishkov
4  *
5  * This file is part of FFmpeg.
6  *
7  * FFmpeg is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * FFmpeg is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with FFmpeg; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 /**
23  * @file
24  * RV40 decoder motion compensation functions x86-optimised
25  * 2,0 and 0,2 have h264 equivalents.
26  * 3,3 is bugged in the rv40 format and maps to _xy2 version
27  */
28 
29 #include "libavcodec/rv34dsp.h"
30 #include "libavutil/attributes.h"
31 #include "libavutil/mem.h"
32 #include "libavutil/x86/cpu.h"
33 #include "hpeldsp.h"
34 
35 #define DEFINE_FN(op, size, insn) \
36 static void op##_rv40_qpel##size##_mc33_##insn(uint8_t *dst, uint8_t *src, \
37  ptrdiff_t stride) \
38 { \
39  ff_##op##_pixels##size##_xy2_##insn(dst, src, stride, size); \
40 }
41 
42 #if HAVE_YASM
43 void ff_put_rv40_chroma_mc8_mmx (uint8_t *dst, uint8_t *src,
44  int stride, int h, int x, int y);
45 void ff_avg_rv40_chroma_mc8_mmxext(uint8_t *dst, uint8_t *src,
46  int stride, int h, int x, int y);
47 void ff_avg_rv40_chroma_mc8_3dnow(uint8_t *dst, uint8_t *src,
48  int stride, int h, int x, int y);
49 
50 void ff_put_rv40_chroma_mc4_mmx (uint8_t *dst, uint8_t *src,
51  int stride, int h, int x, int y);
52 void ff_avg_rv40_chroma_mc4_mmxext(uint8_t *dst, uint8_t *src,
53  int stride, int h, int x, int y);
54 void ff_avg_rv40_chroma_mc4_3dnow(uint8_t *dst, uint8_t *src,
55  int stride, int h, int x, int y);
56 
57 #define DECLARE_WEIGHT(opt) \
58 void ff_rv40_weight_func_rnd_16_##opt(uint8_t *dst, uint8_t *src1, uint8_t *src2, \
59  int w1, int w2, ptrdiff_t stride); \
60 void ff_rv40_weight_func_rnd_8_##opt (uint8_t *dst, uint8_t *src1, uint8_t *src2, \
61  int w1, int w2, ptrdiff_t stride); \
62 void ff_rv40_weight_func_nornd_16_##opt(uint8_t *dst, uint8_t *src1, uint8_t *src2, \
63  int w1, int w2, ptrdiff_t stride); \
64 void ff_rv40_weight_func_nornd_8_##opt (uint8_t *dst, uint8_t *src1, uint8_t *src2, \
65  int w1, int w2, ptrdiff_t stride);
66 DECLARE_WEIGHT(mmxext)
67 DECLARE_WEIGHT(sse2)
68 DECLARE_WEIGHT(ssse3)
69 
70 /** @{ */
71 /**
72  * Define one qpel function.
73  * LOOPSIZE must be already set to the number of pixels processed per
74  * iteration in the inner loop of the called functions.
75  * COFF(x) must be already defined so as to provide the offset into any
76  * array of coeffs used by the called function for the qpel position x.
77  */
78 #define QPEL_FUNC_DECL(OP, SIZE, PH, PV, OPT) \
79 static void OP ## rv40_qpel ##SIZE ##_mc ##PH ##PV ##OPT(uint8_t *dst, \
80  uint8_t *src, \
81  ptrdiff_t stride) \
82 { \
83  int i; \
84  if (PH && PV) { \
85  DECLARE_ALIGNED(16, uint8_t, tmp)[SIZE * (SIZE + 5)]; \
86  uint8_t *tmpptr = tmp + SIZE * 2; \
87  src -= stride * 2; \
88  \
89  for (i = 0; i < SIZE; i += LOOPSIZE) \
90  ff_put_rv40_qpel_h ##OPT(tmp + i, SIZE, src + i, stride, \
91  SIZE + 5, HCOFF(PH)); \
92  for (i = 0; i < SIZE; i += LOOPSIZE) \
93  ff_ ##OP ##rv40_qpel_v ##OPT(dst + i, stride, tmpptr + i, \
94  SIZE, SIZE, VCOFF(PV)); \
95  } else if (PV) { \
96  for (i = 0; i < SIZE; i += LOOPSIZE) \
97  ff_ ##OP ##rv40_qpel_v ## OPT(dst + i, stride, src + i, \
98  stride, SIZE, VCOFF(PV)); \
99  } else { \
100  for (i = 0; i < SIZE; i += LOOPSIZE) \
101  ff_ ##OP ##rv40_qpel_h ## OPT(dst + i, stride, src + i, \
102  stride, SIZE, HCOFF(PH)); \
103  } \
104 };
105 
106 /** Declare functions for sizes 8 and 16 and given operations
107  * and qpel position. */
108 #define QPEL_FUNCS_DECL(OP, PH, PV, OPT) \
109  QPEL_FUNC_DECL(OP, 8, PH, PV, OPT) \
110  QPEL_FUNC_DECL(OP, 16, PH, PV, OPT)
111 
112 /** Declare all functions for all sizes and qpel positions */
113 #define QPEL_MC_DECL(OP, OPT) \
114 void ff_ ##OP ##rv40_qpel_h ##OPT(uint8_t *dst, ptrdiff_t dstStride, \
115  const uint8_t *src, \
116  ptrdiff_t srcStride, \
117  int len, int m); \
118 void ff_ ##OP ##rv40_qpel_v ##OPT(uint8_t *dst, ptrdiff_t dstStride, \
119  const uint8_t *src, \
120  ptrdiff_t srcStride, \
121  int len, int m); \
122 QPEL_FUNCS_DECL(OP, 0, 1, OPT) \
123 QPEL_FUNCS_DECL(OP, 0, 3, OPT) \
124 QPEL_FUNCS_DECL(OP, 1, 0, OPT) \
125 QPEL_FUNCS_DECL(OP, 1, 1, OPT) \
126 QPEL_FUNCS_DECL(OP, 1, 2, OPT) \
127 QPEL_FUNCS_DECL(OP, 1, 3, OPT) \
128 QPEL_FUNCS_DECL(OP, 2, 1, OPT) \
129 QPEL_FUNCS_DECL(OP, 2, 2, OPT) \
130 QPEL_FUNCS_DECL(OP, 2, 3, OPT) \
131 QPEL_FUNCS_DECL(OP, 3, 0, OPT) \
132 QPEL_FUNCS_DECL(OP, 3, 1, OPT) \
133 QPEL_FUNCS_DECL(OP, 3, 2, OPT)
134 /** @} */
135 
136 #define LOOPSIZE 8
137 #define HCOFF(x) (32 * ((x) - 1))
138 #define VCOFF(x) (32 * ((x) - 1))
139 QPEL_MC_DECL(put_, _ssse3)
140 QPEL_MC_DECL(avg_, _ssse3)
141 
142 #undef LOOPSIZE
143 #undef HCOFF
144 #undef VCOFF
145 #define LOOPSIZE 8
146 #define HCOFF(x) (64 * ((x) - 1))
147 #define VCOFF(x) (64 * ((x) - 1))
148 QPEL_MC_DECL(put_, _sse2)
149 QPEL_MC_DECL(avg_, _sse2)
150 
151 #if ARCH_X86_32
152 #undef LOOPSIZE
153 #undef HCOFF
154 #undef VCOFF
155 #define LOOPSIZE 4
156 #define HCOFF(x) (64 * ((x) - 1))
157 #define VCOFF(x) (64 * ((x) - 1))
158 
159 QPEL_MC_DECL(put_, _mmx)
160 
161 #define ff_put_rv40_qpel_h_mmxext ff_put_rv40_qpel_h_mmx
162 #define ff_put_rv40_qpel_v_mmxext ff_put_rv40_qpel_v_mmx
163 QPEL_MC_DECL(avg_, _mmxext)
164 
165 #define ff_put_rv40_qpel_h_3dnow ff_put_rv40_qpel_h_mmx
166 #define ff_put_rv40_qpel_v_3dnow ff_put_rv40_qpel_v_mmx
167 QPEL_MC_DECL(avg_, _3dnow)
168 #endif
169 
170 /** @{ */
171 /** Set one function */
172 #define QPEL_FUNC_SET(OP, SIZE, PH, PV, OPT) \
173  c-> OP ## pixels_tab[2 - SIZE / 8][4 * PV + PH] = OP ## rv40_qpel ##SIZE ## _mc ##PH ##PV ##OPT;
174 
175 /** Set functions put and avg for sizes 8 and 16 and a given qpel position */
176 #define QPEL_FUNCS_SET(OP, PH, PV, OPT) \
177  QPEL_FUNC_SET(OP, 8, PH, PV, OPT) \
178  QPEL_FUNC_SET(OP, 16, PH, PV, OPT)
179 
180 /** Set all functions for all sizes and qpel positions */
181 #define QPEL_MC_SET(OP, OPT) \
182 QPEL_FUNCS_SET (OP, 0, 1, OPT) \
183 QPEL_FUNCS_SET (OP, 0, 3, OPT) \
184 QPEL_FUNCS_SET (OP, 1, 0, OPT) \
185 QPEL_FUNCS_SET (OP, 1, 1, OPT) \
186 QPEL_FUNCS_SET (OP, 1, 2, OPT) \
187 QPEL_FUNCS_SET (OP, 1, 3, OPT) \
188 QPEL_FUNCS_SET (OP, 2, 1, OPT) \
189 QPEL_FUNCS_SET (OP, 2, 2, OPT) \
190 QPEL_FUNCS_SET (OP, 2, 3, OPT) \
191 QPEL_FUNCS_SET (OP, 3, 0, OPT) \
192 QPEL_FUNCS_SET (OP, 3, 1, OPT) \
193 QPEL_FUNCS_SET (OP, 3, 2, OPT)
194 /** @} */
195 
196 DEFINE_FN(put, 8, ssse3)
197 
198 DEFINE_FN(put, 16, sse2)
199 DEFINE_FN(put, 16, ssse3)
200 
201 DEFINE_FN(avg, 8, mmxext)
202 DEFINE_FN(avg, 8, ssse3)
203 
204 DEFINE_FN(avg, 16, sse2)
205 DEFINE_FN(avg, 16, ssse3)
206 #endif /* HAVE_YASM */
207 
208 #if HAVE_MMX_INLINE
209 DEFINE_FN(put, 8, mmx)
210 DEFINE_FN(avg, 8, mmx)
211 DEFINE_FN(put, 16, mmx)
212 DEFINE_FN(avg, 16, mmx)
213 #endif
214 
215 av_cold void ff_rv40dsp_init_x86(RV34DSPContext *c)
216 {
217  int cpu_flags = av_get_cpu_flags();
218 
219 #if HAVE_MMX_INLINE
220  if (INLINE_MMX(cpu_flags)) {
221  c->put_pixels_tab[0][15] = put_rv40_qpel16_mc33_mmx;
222  c->put_pixels_tab[1][15] = put_rv40_qpel8_mc33_mmx;
223  c->avg_pixels_tab[0][15] = avg_rv40_qpel16_mc33_mmx;
224  c->avg_pixels_tab[1][15] = avg_rv40_qpel8_mc33_mmx;
225  }
226 #endif /* HAVE_MMX_INLINE */
227 
228 #if HAVE_YASM
229  if (EXTERNAL_MMX(cpu_flags)) {
230  c->put_chroma_pixels_tab[0] = ff_put_rv40_chroma_mc8_mmx;
231  c->put_chroma_pixels_tab[1] = ff_put_rv40_chroma_mc4_mmx;
232 #if ARCH_X86_32
233  QPEL_MC_SET(put_, _mmx)
234 #endif
235  }
236  if (EXTERNAL_AMD3DNOW(cpu_flags)) {
237  c->avg_chroma_pixels_tab[0] = ff_avg_rv40_chroma_mc8_3dnow;
238  c->avg_chroma_pixels_tab[1] = ff_avg_rv40_chroma_mc4_3dnow;
239 #if ARCH_X86_32
240  QPEL_MC_SET(avg_, _3dnow)
241 #endif
242  }
243  if (EXTERNAL_MMXEXT(cpu_flags)) {
244  c->avg_pixels_tab[1][15] = avg_rv40_qpel8_mc33_mmxext;
245  c->avg_chroma_pixels_tab[0] = ff_avg_rv40_chroma_mc8_mmxext;
246  c->avg_chroma_pixels_tab[1] = ff_avg_rv40_chroma_mc4_mmxext;
247  c->rv40_weight_pixels_tab[0][0] = ff_rv40_weight_func_rnd_16_mmxext;
248  c->rv40_weight_pixels_tab[0][1] = ff_rv40_weight_func_rnd_8_mmxext;
249  c->rv40_weight_pixels_tab[1][0] = ff_rv40_weight_func_nornd_16_mmxext;
250  c->rv40_weight_pixels_tab[1][1] = ff_rv40_weight_func_nornd_8_mmxext;
251 #if ARCH_X86_32
252  QPEL_MC_SET(avg_, _mmxext)
253 #endif
254  }
255  if (EXTERNAL_SSE2(cpu_flags)) {
256  c->put_pixels_tab[0][15] = put_rv40_qpel16_mc33_sse2;
257  c->avg_pixels_tab[0][15] = avg_rv40_qpel16_mc33_sse2;
258  c->rv40_weight_pixels_tab[0][0] = ff_rv40_weight_func_rnd_16_sse2;
259  c->rv40_weight_pixels_tab[0][1] = ff_rv40_weight_func_rnd_8_sse2;
260  c->rv40_weight_pixels_tab[1][0] = ff_rv40_weight_func_nornd_16_sse2;
261  c->rv40_weight_pixels_tab[1][1] = ff_rv40_weight_func_nornd_8_sse2;
262  QPEL_MC_SET(put_, _sse2)
263  QPEL_MC_SET(avg_, _sse2)
264  }
265  if (EXTERNAL_SSSE3(cpu_flags)) {
266  c->put_pixels_tab[0][15] = put_rv40_qpel16_mc33_ssse3;
267  c->put_pixels_tab[1][15] = put_rv40_qpel8_mc33_ssse3;
268  c->avg_pixels_tab[0][15] = avg_rv40_qpel16_mc33_ssse3;
269  c->avg_pixels_tab[1][15] = avg_rv40_qpel8_mc33_ssse3;
270  c->rv40_weight_pixels_tab[0][0] = ff_rv40_weight_func_rnd_16_ssse3;
271  c->rv40_weight_pixels_tab[0][1] = ff_rv40_weight_func_rnd_8_ssse3;
272  c->rv40_weight_pixels_tab[1][0] = ff_rv40_weight_func_nornd_16_ssse3;
273  c->rv40_weight_pixels_tab[1][1] = ff_rv40_weight_func_nornd_8_ssse3;
274  QPEL_MC_SET(put_, _ssse3)
275  QPEL_MC_SET(avg_, _ssse3)
276  }
277 #endif /* HAVE_YASM */
278 }
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