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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 #include "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/intreadwrite.h"
25 #include "libavutil/ppc/cpu.h"
26 #include "libavutil/ppc/types_altivec.h"
27 #include "libavutil/ppc/util_altivec.h"
28 #include "libavcodec/h264qpel.h"
29 #include "hpeldsp_altivec.h"
30 
31 #if HAVE_ALTIVEC
32 
33 #define PUT_OP_U8_ALTIVEC(d, s, dst) d = s
34 #define AVG_OP_U8_ALTIVEC(d, s, dst) d = vec_avg(dst, s)
35 
36 #define OP_U8_ALTIVEC PUT_OP_U8_ALTIVEC
37 #define PREFIX_h264_qpel16_h_lowpass_altivec put_h264_qpel16_h_lowpass_altivec
38 #define PREFIX_h264_qpel16_h_lowpass_num altivec_put_h264_qpel16_h_lowpass_num
39 #define PREFIX_h264_qpel16_v_lowpass_altivec put_h264_qpel16_v_lowpass_altivec
40 #define PREFIX_h264_qpel16_v_lowpass_num altivec_put_h264_qpel16_v_lowpass_num
41 #define PREFIX_h264_qpel16_hv_lowpass_altivec put_h264_qpel16_hv_lowpass_altivec
42 #define PREFIX_h264_qpel16_hv_lowpass_num altivec_put_h264_qpel16_hv_lowpass_num
43 #include "h264qpel_template.c"
44 #undef OP_U8_ALTIVEC
45 #undef PREFIX_h264_qpel16_h_lowpass_altivec
46 #undef PREFIX_h264_qpel16_h_lowpass_num
47 #undef PREFIX_h264_qpel16_v_lowpass_altivec
48 #undef PREFIX_h264_qpel16_v_lowpass_num
49 #undef PREFIX_h264_qpel16_hv_lowpass_altivec
50 #undef PREFIX_h264_qpel16_hv_lowpass_num
51 
52 #define OP_U8_ALTIVEC AVG_OP_U8_ALTIVEC
53 #define PREFIX_h264_qpel16_h_lowpass_altivec avg_h264_qpel16_h_lowpass_altivec
54 #define PREFIX_h264_qpel16_h_lowpass_num altivec_avg_h264_qpel16_h_lowpass_num
55 #define PREFIX_h264_qpel16_v_lowpass_altivec avg_h264_qpel16_v_lowpass_altivec
56 #define PREFIX_h264_qpel16_v_lowpass_num altivec_avg_h264_qpel16_v_lowpass_num
57 #define PREFIX_h264_qpel16_hv_lowpass_altivec avg_h264_qpel16_hv_lowpass_altivec
58 #define PREFIX_h264_qpel16_hv_lowpass_num altivec_avg_h264_qpel16_hv_lowpass_num
59 #include "h264qpel_template.c"
60 #undef OP_U8_ALTIVEC
61 #undef PREFIX_h264_qpel16_h_lowpass_altivec
62 #undef PREFIX_h264_qpel16_h_lowpass_num
63 #undef PREFIX_h264_qpel16_v_lowpass_altivec
64 #undef PREFIX_h264_qpel16_v_lowpass_num
65 #undef PREFIX_h264_qpel16_hv_lowpass_altivec
66 #undef PREFIX_h264_qpel16_hv_lowpass_num
67 
68 #define H264_MC(OPNAME, SIZE, CODETYPE) \
69 static void OPNAME ## h264_qpel ## SIZE ## _mc00_ ## CODETYPE (uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
70 {\
71  ff_ ## OPNAME ## pixels ## SIZE ## _ ## CODETYPE(dst, src, stride, SIZE);\
72 }\
73 \
74 static void OPNAME ## h264_qpel ## SIZE ## _mc10_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
75 { \
76  DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
77  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
78  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
79 }\
80 \
81 static void OPNAME ## h264_qpel ## SIZE ## _mc20_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
82 {\
83  OPNAME ## h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(dst, src, stride, stride);\
84 }\
85 \
86 static void OPNAME ## h264_qpel ## SIZE ## _mc30_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
87 {\
88  DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
89  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
90  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+1, half, stride, stride, SIZE);\
91 }\
92 \
93 static void OPNAME ## h264_qpel ## SIZE ## _mc01_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
94 {\
95  DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
96  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
97  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src, half, stride, stride, SIZE);\
98 }\
99 \
100 static void OPNAME ## h264_qpel ## SIZE ## _mc02_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
101 {\
102  OPNAME ## h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(dst, src, stride, stride);\
103 }\
104 \
105 static void OPNAME ## h264_qpel ## SIZE ## _mc03_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
106 {\
107  DECLARE_ALIGNED(16, uint8_t, half)[SIZE*SIZE];\
108  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(half, src, SIZE, stride);\
109  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, src+stride, half, stride, stride, SIZE);\
110 }\
111 \
112 static void OPNAME ## h264_qpel ## SIZE ## _mc11_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
113 {\
114  DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
115  DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
116  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
117  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
118  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
119 }\
120 \
121 static void OPNAME ## h264_qpel ## SIZE ## _mc31_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
122 {\
123  DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
124  DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
125  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
126  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
127  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
128 }\
129 \
130 static void OPNAME ## h264_qpel ## SIZE ## _mc13_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
131 {\
132  DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
133  DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
134  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
135  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
136  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
137 }\
138 \
139 static void OPNAME ## h264_qpel ## SIZE ## _mc33_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
140 {\
141  DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
142  DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
143  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
144  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
145  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfV, stride, SIZE, SIZE);\
146 }\
147 \
148 static void OPNAME ## h264_qpel ## SIZE ## _mc22_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
149 {\
150  DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
151  OPNAME ## h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(dst, tmp, src, stride, SIZE, stride);\
152 }\
153 \
154 static void OPNAME ## h264_qpel ## SIZE ## _mc21_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
155 {\
156  DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
157  DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
158  DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
159  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src, SIZE, stride);\
160  put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
161  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
162 }\
163 \
164 static void OPNAME ## h264_qpel ## SIZE ## _mc23_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
165 {\
166  DECLARE_ALIGNED(16, uint8_t, halfH)[SIZE*SIZE];\
167  DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
168  DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
169  put_h264_qpel ## SIZE ## _h_lowpass_ ## CODETYPE(halfH, src + stride, SIZE, stride);\
170  put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
171  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfH, halfHV, stride, SIZE, SIZE);\
172 }\
173 \
174 static void OPNAME ## h264_qpel ## SIZE ## _mc12_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
175 {\
176  DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
177  DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
178  DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
179  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src, SIZE, stride);\
180  put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
181  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
182 }\
183 \
184 static void OPNAME ## h264_qpel ## SIZE ## _mc32_ ## CODETYPE(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
185 {\
186  DECLARE_ALIGNED(16, uint8_t, halfV)[SIZE*SIZE];\
187  DECLARE_ALIGNED(16, uint8_t, halfHV)[SIZE*SIZE];\
188  DECLARE_ALIGNED(16, int16_t, tmp)[SIZE*(SIZE+8)];\
189  put_h264_qpel ## SIZE ## _v_lowpass_ ## CODETYPE(halfV, src+1, SIZE, stride);\
190  put_h264_qpel ## SIZE ## _hv_lowpass_ ## CODETYPE(halfHV, tmp, src, SIZE, SIZE, stride);\
191  OPNAME ## pixels ## SIZE ## _l2_ ## CODETYPE(dst, halfV, halfHV, stride, SIZE, SIZE);\
192 }\
193 
194 #if HAVE_BIGENDIAN
195 #define put_unligned_store(s, dest) { \
196  tmp1 = vec_ld(0, dest); \
197  mask = vec_lvsl(0, dest); \
198  tmp2 = vec_ld(15, dest); \
199  edges = vec_perm(tmp2, tmp1, mask); \
200  align = vec_lvsr(0, dest); \
201  tmp2 = vec_perm(s, edges, align); \
202  tmp1 = vec_perm(edges, s, align); \
203  vec_st(tmp2, 15, dest); \
204  vec_st(tmp1, 0 , dest); \
205  }
206 #else
207 #define put_unligned_store(s, dest) vec_vsx_st(s, 0, dest);
208 #endif /* HAVE_BIGENDIAN */
209 
210 static inline void put_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
211  const uint8_t * src2, int dst_stride,
212  int src_stride1, int h)
213 {
214  int i;
215  vec_u8 a, b, d, mask_;
216 #if HAVE_BIGENDIAN
217  vec_u8 tmp1, tmp2, mask, edges, align;
218  mask_ = vec_lvsl(0, src2);
219 #endif
220 
221  for (i = 0; i < h; i++) {
222  a = unaligned_load(i * src_stride1, src1);
223  b = load_with_perm_vec(i * 16, src2, mask_);
224  d = vec_avg(a, b);
225  put_unligned_store(d, dst);
226  dst += dst_stride;
227  }
228 }
229 
230 #if HAVE_BIGENDIAN
231 #define avg_unligned_store(s, dest){ \
232  tmp1 = vec_ld(0, dest); \
233  mask = vec_lvsl(0, dest); \
234  tmp2 = vec_ld(15, dest); \
235  a = vec_avg(vec_perm(tmp1, tmp2, mask), s); \
236  edges = vec_perm(tmp2, tmp1, mask); \
237  align = vec_lvsr(0, dest); \
238  tmp2 = vec_perm(a, edges, align); \
239  tmp1 = vec_perm(edges, a, align); \
240  vec_st(tmp2, 15, dest); \
241  vec_st(tmp1, 0 , dest); \
242  }
243 #else
244 #define avg_unligned_store(s, dest){ \
245  a = vec_avg(vec_vsx_ld(0, dst), s); \
246  vec_vsx_st(a, 0, dst); \
247  }
248 #endif /* HAVE_BIGENDIAN */
249 
250 static inline void avg_pixels16_l2_altivec( uint8_t * dst, const uint8_t * src1,
251  const uint8_t * src2, int dst_stride,
252  int src_stride1, int h)
253 {
254  int i;
255  vec_u8 a, b, d, mask_;
256 
257 #if HAVE_BIGENDIAN
258  vec_u8 tmp1, tmp2, mask, edges, align;
259  mask_ = vec_lvsl(0, src2);
260 #endif
261 
262  for (i = 0; i < h; i++) {
263  a = unaligned_load(i * src_stride1, src1);
264  b = load_with_perm_vec(i * 16, src2, mask_);
265  d = vec_avg(a, b);
266  avg_unligned_store(d, dst);
267  dst += dst_stride;
268  }
269 }
270 
271 /* Implemented but could be faster
272 #define put_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) put_pixels16_l2(d,s1,s2,ds,s1s,16,h)
273 #define avg_pixels16_l2_altivec(d,s1,s2,ds,s1s,h) avg_pixels16_l2(d,s1,s2,ds,s1s,16,h)
274  */
275 
276 H264_MC(put_, 16, altivec)
277 H264_MC(avg_, 16, altivec)
278 #endif /* HAVE_ALTIVEC */
279 
280 av_cold void ff_h264qpel_init_ppc(H264QpelContext *c, int bit_depth)
281 {
282 #if HAVE_ALTIVEC
283  const int high_bit_depth = bit_depth > 8;
284 
285  if (!PPC_ALTIVEC(av_get_cpu_flags()))
286  return;
287 
288  if (!high_bit_depth) {
289 #define dspfunc(PFX, IDX, NUM) \
290  c->PFX ## _pixels_tab[IDX][ 0] = PFX ## NUM ## _mc00_altivec; \
291  c->PFX ## _pixels_tab[IDX][ 1] = PFX ## NUM ## _mc10_altivec; \
292  c->PFX ## _pixels_tab[IDX][ 2] = PFX ## NUM ## _mc20_altivec; \
293  c->PFX ## _pixels_tab[IDX][ 3] = PFX ## NUM ## _mc30_altivec; \
294  c->PFX ## _pixels_tab[IDX][ 4] = PFX ## NUM ## _mc01_altivec; \
295  c->PFX ## _pixels_tab[IDX][ 5] = PFX ## NUM ## _mc11_altivec; \
296  c->PFX ## _pixels_tab[IDX][ 6] = PFX ## NUM ## _mc21_altivec; \
297  c->PFX ## _pixels_tab[IDX][ 7] = PFX ## NUM ## _mc31_altivec; \
298  c->PFX ## _pixels_tab[IDX][ 8] = PFX ## NUM ## _mc02_altivec; \
299  c->PFX ## _pixels_tab[IDX][ 9] = PFX ## NUM ## _mc12_altivec; \
300  c->PFX ## _pixels_tab[IDX][10] = PFX ## NUM ## _mc22_altivec; \
301  c->PFX ## _pixels_tab[IDX][11] = PFX ## NUM ## _mc32_altivec; \
302  c->PFX ## _pixels_tab[IDX][12] = PFX ## NUM ## _mc03_altivec; \
303  c->PFX ## _pixels_tab[IDX][13] = PFX ## NUM ## _mc13_altivec; \
304  c->PFX ## _pixels_tab[IDX][14] = PFX ## NUM ## _mc23_altivec; \
305  c->PFX ## _pixels_tab[IDX][15] = PFX ## NUM ## _mc33_altivec
306 
307  dspfunc(put_h264_qpel, 0, 16);
308  dspfunc(avg_h264_qpel, 0, 16);
309 #undef dspfunc
310  }
311 #endif /* HAVE_ALTIVEC */
312 }
h
h
Definition: vp9dsp_template.c:2093
b
const char * b
Definition: vf_curves.c:109
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:280
mask
static const uint16_t mask[17]
Definition: lzw.c:38
hpeldsp_altivec.h
PPC_ALTIVEC
#define PPC_ALTIVEC(flags)
Definition: cpu.h:26
align
const AVS_VideoInfo int align
Definition: avisynth_c.h:658
vec_u8
#define vec_u8
Definition: types_altivec.h:27
types_altivec.h
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:76
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
bit_depth
static unsigned bit_depth(uint64_t mask)
Definition: af_astats.c:128
H264_MC
#define H264_MC(OPNAME, SIZE)
Definition: h264qpel_template.c:380
a
a
Definition: h264pred_template.c:468
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