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h264qpel.c
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1 /*
2  * Copyright (c) 2004 Romain Dolbeau <romain@dolbeau.org>
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg 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.
10  *
11  * FFmpeg 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.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "config.h"
22 
23 #include "libavutil/attributes.h"
24 #include "libavutil/cpu.h"
25 #include "libavutil/intreadwrite.h"
26 #include "libavutil/ppc/cpu.h"
27 #include "libavutil/ppc/util_altivec.h"
28 
29 #include "libavcodec/h264qpel.h"
30 
31 #include "hpeldsp_altivec.h"
32 
33 #if HAVE_ALTIVEC
34 
35 #define PUT_OP_U8_ALTIVEC(d, s, dst) d = s
36 #define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s)
37 
38 #define OP_U8_ALTIVEC PUT_OP_U8_ALTIVEC
39 #define PREFIX_h264_qpel16_h_lowpass_altivec put_h264_qpel16_h_lowpass_altivec
40 #define PREFIX_h264_qpel16_h_lowpass_num altivec_put_h264_qpel16_h_lowpass_num
41 #define PREFIX_h264_qpel16_v_lowpass_altivec put_h264_qpel16_v_lowpass_altivec
42 #define PREFIX_h264_qpel16_v_lowpass_num altivec_put_h264_qpel16_v_lowpass_num
43 #define PREFIX_h264_qpel16_hv_lowpass_altivec put_h264_qpel16_hv_lowpass_altivec
44 #define PREFIX_h264_qpel16_hv_lowpass_num altivec_put_h264_qpel16_hv_lowpass_num
45 #include "h264qpel_template.c"
46 #undef OP_U8_ALTIVEC
47 #undef PREFIX_h264_qpel16_h_lowpass_altivec
48 #undef PREFIX_h264_qpel16_h_lowpass_num
49 #undef PREFIX_h264_qpel16_v_lowpass_altivec
50 #undef PREFIX_h264_qpel16_v_lowpass_num
51 #undef PREFIX_h264_qpel16_hv_lowpass_altivec
52 #undef PREFIX_h264_qpel16_hv_lowpass_num
53 
54 #define OP_U8_ALTIVEC AVG_OP_U8_ALTIVEC
55 #define PREFIX_h264_qpel16_h_lowpass_altivec avg_h264_qpel16_h_lowpass_altivec
56 #define PREFIX_h264_qpel16_h_lowpass_num altivec_avg_h264_qpel16_h_lowpass_num
57 #define PREFIX_h264_qpel16_v_lowpass_altivec avg_h264_qpel16_v_lowpass_altivec
58 #define PREFIX_h264_qpel16_v_lowpass_num altivec_avg_h264_qpel16_v_lowpass_num
59 #define PREFIX_h264_qpel16_hv_lowpass_altivec avg_h264_qpel16_hv_lowpass_altivec
60 #define PREFIX_h264_qpel16_hv_lowpass_num altivec_avg_h264_qpel16_hv_lowpass_num
61 #include "h264qpel_template.c"
62 #undef OP_U8_ALTIVEC
63 #undef PREFIX_h264_qpel16_h_lowpass_altivec
64 #undef PREFIX_h264_qpel16_h_lowpass_num
65 #undef PREFIX_h264_qpel16_v_lowpass_altivec
66 #undef PREFIX_h264_qpel16_v_lowpass_num
67 #undef PREFIX_h264_qpel16_hv_lowpass_altivec
68 #undef PREFIX_h264_qpel16_hv_lowpass_num
69 
70 #define H264_MC(OPNAME, SIZE, CODETYPE) \
71 static void OPNAME ## h264_qpel ## SIZE ## _mc00_ ## CODETYPE (uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
72 {\
73  ff_ ## OPNAME ## pixels ## SIZE ## _ ## CODETYPE(dst, src, stride, SIZE);\
74 }\
75 \
76 static void OPNAME ## h264_qpel ## SIZE ## _mc10_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
77 { \
78  DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
79  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
80  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
81 }\
82 \
83 static void OPNAME ## h264_qpel ## SIZE ## _mc20_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
84 {\
85  OPNAME ## h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(dst, src, stride, stride);\
86 }\
87 \
88 static void OPNAME ## h264_qpel ## SIZE ## _mc30_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
89 {\
90  DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
91  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
92  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+1, half, stride, stride, SIZE);\
93 }\
94 \
95 static void OPNAME ## h264_qpel ## SIZE ## _mc01_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
96 {\
97  DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
98  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
99  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
100 }\
101 \
102 static void OPNAME ## h264_qpel ## SIZE ## _mc02_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
103 {\
104  OPNAME ## h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(dst, src, stride, stride);\
105 }\
106 \
107 static void OPNAME ## h264_qpel ## SIZE ## _mc03_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
108 {\
109  DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
110  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
111  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+stride, half, stride, stride, SIZE);\
112 }\
113 \
114 static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
115 {\
116  DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
117  DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
118  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
119  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
120  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
121 }\
122 \
123 static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
124 {\
125  DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
126  DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
127  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
128  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
129  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
130 }\
131 \
132 static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
133 {\
134  DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
135  DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
136  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
137  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
138  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
139 }\
140 \
141 static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
142 {\
143  DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
144  DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
145  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
146  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
147  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
148 }\
149 \
150 static void OPNAME ## h264_qpel ## SIZE ## _mc22_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
151 {\
152  DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
153  OPNAME ## h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(dst, tmp, src, stride, SIZE, stride);\
154 }\
155 \
156 static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
157 {\
158  DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
159  DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
160  DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
161  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
162  put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
163  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
164 }\
165 \
166 static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
167 {\
168  DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
169  DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
170  DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
171  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
172  put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
173  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
174 }\
175 \
176 static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
177 {\
178  DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
179  DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
180  DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
181  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
182  put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
183  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
184 }\
185 \
186 static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
187 {\
188  DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
189  DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
190  DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
191  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
192  put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
193  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
194 }\
195 
196 #if HAVE_BIGENDIAN
197 #define put_unligned_store(s, dest) { \
198  tmp1 = vec_ld(0, dest); \
199  mask = vec_lvsl(0, dest); \
200  tmp2 = vec_ld(15, dest); \
201  edges = vec_perm(tmp2, tmp1, mask); \
202  align = vec_lvsr(0, dest); \
203  tmp2 = vec_perm(s, edges, align); \
204  tmp1 = vec_perm(edges, s, align); \
205  vec_st(tmp2, 15, dest); \
206  vec_st(tmp1, 0 , dest); \
207  }
208 #else
209 #define put_unligned_store(s, dest) vec_vsx_st(s, 0, dest);
210 #endif /* HAVE_BIGENDIAN */
211 
212 static inline void put_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
213  const uint8_t * src2, int dst_stride,
214  int src_stride1, int h)
215 {
216  int i;
217  vec_u8 a, b, d, mask_;
218 #if HAVE_BIGENDIAN
219  vec_u8 tmp1, tmp2, mask, edges, align;
220  mask_ = vec_lvsl(0, src2);
221 #endif
222 
223  for (i = 0; i < h; i++) {
224  a = unaligned_load(i * src_stride1, src1);
225  b = load_with_perm_vec(i * 16, src2, mask_);
226  d = vec_avg(a, b);
227  put_unligned_store(d, dst);
228  dst += dst_stride;
229  }
230 }
231 
232 #if HAVE_BIGENDIAN
233 #define avg_unligned_store(s, dest){ \
234  tmp1 = vec_ld(0, dest); \
235  mask = vec_lvsl(0, dest); \
236  tmp2 = vec_ld(15, dest); \
237  a = vec_avg(vec_perm(tmp1, tmp2, mask), s); \
238  edges = vec_perm(tmp2, tmp1, mask); \
239  align = vec_lvsr(0, dest); \
240  tmp2 = vec_perm(a, edges, align); \
241  tmp1 = vec_perm(edges, a, align); \
242  vec_st(tmp2, 15, dest); \
243  vec_st(tmp1, 0 , dest); \
244  }
245 #else
246 #define avg_unligned_store(s, dest){ \
247  a = vec_avg(vec_vsx_ld(0, dst), s); \
248  vec_vsx_st(a, 0, dst); \
249  }
250 #endif /* HAVE_BIGENDIAN */
251 
252 static inline void avg_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
253  const uint8_t * src2, int dst_stride,
254  int src_stride1, int h)
255 {
256  int i;
257  vec_u8 a, b, d, mask_;
258 
259 #if HAVE_BIGENDIAN
260  vec_u8 tmp1, tmp2, mask, edges, align;
261  mask_ = vec_lvsl(0, src2);
262 #endif
263 
264  for (i = 0; i < h; i++) {
265  a = unaligned_load(i * src_stride1, src1);
266  b = load_with_perm_vec(i * 16, src2, mask_);
267  d = vec_avg(a, b);
268  avg_unligned_store(d, dst);
269  dst += dst_stride;
270  }
271 }
272 
273 /* Implemented but could be faster
274 #define put_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) put_pixels16_l2(d,s1,s2,ds,s1s,16,h)
275 #define avg_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) avg_pixels16_l2(d,s1,s2,ds,s1s,16,h)
276  */
277 
278 H264_MC(put_, 16, altivec)
279 H264_MC(avg_, 16, altivec)
280 #endif /* HAVE_ALTIVEC */
281 
282 av_cold void ff_h264qpel_init_ppc(H264QpelContext *c, int bit_depth)
283 {
284 #if HAVE_ALTIVEC
285  const int high_bit_depth = bit_depth > 8;
286 
287  if (!PPC_ALTIVEC(av_get_cpu_flags()))
288  return;
289 
290  if (!high_bit_depth) {
291 #define dspfunc(PFX, IDX, NUM) \
292  c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_altivec; \
293  c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_altivec; \
294  c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_altivec; \
295  c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_altivec; \
296  c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_altivec; \
297  c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_altivec; \
298  c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_altivec; \
299  c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_altivec; \
300  c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_altivec; \
301  c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_altivec; \
302  c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_altivec; \
303  c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_altivec; \
304  c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_altivec; \
305  c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_altivec; \
306  c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_altivec; \
307  c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_altivec
308 
309  dspfunc(put_h264_qpel, 0, 16);
310  dspfunc(avg_h264_qpel, 0, 16);
311 #undef dspfunc
312  }
313 #endif /* HAVE_ALTIVEC */
314 }
h
h
Definition: vp9dsp_template.c:2038
b
const char * b
Definition: vf_curves.c:113
attributes.h
Macro definitions for various function/variable attributes.
uint8_t
uint8_t
Definition: audio_convert.c:194
av_cold
#define av_cold
Definition: attributes.h:82
ff_h264qpel_init_ppc
av_cold void ff_h264qpel_init_ppc(H264QpelContext *c, int bit_depth)
Definition: h264qpel.c:282
mask
static const uint16_t mask[17]
Definition: lzw.c:38
hpeldsp_altivec.h
PPC_ALTIVEC
#define PPC_ALTIVEC(flags)
Definition: cpu.h:25
bit_depth
static void bit_depth(AudioStatsContext *s, uint64_t mask, uint64_t imask, AVRational *depth)
Definition: af_astats.c:152
vec_u8
#define vec_u8
Definition: util_altivec.h:34
align
const AVS_VideoInfo int align
Definition: avisynth_c.h:795
dspfunc
#define dspfunc(PFX, IDX, NUM)
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
util_altivec.h
Contains misc utility macros and inline functions.
src1
#define src1
Definition: h264qpel.c:48
c
static double c[64]
Definition: vsrc_mptestsrc.c:87
H264_MC
#define H264_MC(OPNAME, SIZE)
Definition: h264qpel_template.c:380
a
a
Definition: h264pred_template.c:468
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