FFmpeg
vp9dsp_init_arm.c
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2016 Google Inc.
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 <stdint.h>
22 
23 #include "libavutil/attributes.h"
24 #include "libavutil/internal.h"
25 #include "libavutil/arm/cpu.h"
26 #include "libavcodec/vp9dsp.h"
27 #include "vp9dsp_init.h"
28 
29 #define declare_fpel(type, sz) \
30 void ff_vp9_##type##sz##_neon(uint8_t *dst, ptrdiff_t dst_stride, \
31  const uint8_t *src, ptrdiff_t src_stride, \
32  int h, int mx, int my)
33 
34 #define declare_copy_avg(sz) \
35  declare_fpel(copy, sz); \
36  declare_fpel(avg , sz)
37 
38 #define decl_mc_func(op, filter, dir, sz) \
39 void ff_vp9_##op##_##filter##sz##_##dir##_neon(uint8_t *dst, ptrdiff_t dst_stride, \
40  const uint8_t *src, ptrdiff_t src_stride, \
41  int h, int mx, int my)
42 
43 #define define_8tap_2d_fn(op, filter, sz) \
44 static void op##_##filter##sz##_hv_neon(uint8_t *dst, ptrdiff_t dst_stride, \
45  const uint8_t *src, ptrdiff_t src_stride, \
46  int h, int mx, int my) \
47 { \
48  LOCAL_ALIGNED_16(uint8_t, temp, [((1 + (sz < 64)) * sz + 8) * sz]); \
49  /* We only need h + 7 lines, but the horizontal filter assumes an \
50  * even number of rows, so filter h + 8 lines here. */ \
51  ff_vp9_put_##filter##sz##_h_neon(temp, sz, \
52  src - 3 * src_stride, src_stride, \
53  h + 8, mx, 0); \
54  ff_vp9_##op##_##filter##sz##_v_neon(dst, dst_stride, \
55  temp + 3 * sz, sz, \
56  h, 0, my); \
57 }
58 
59 #define decl_filter_funcs(op, dir, sz) \
60  decl_mc_func(op, regular, dir, sz); \
61  decl_mc_func(op, sharp, dir, sz); \
62  decl_mc_func(op, smooth, dir, sz)
63 
64 #define decl_mc_funcs(sz) \
65  decl_filter_funcs(put, h, sz); \
66  decl_filter_funcs(avg, h, sz); \
67  decl_filter_funcs(put, v, sz); \
68  decl_filter_funcs(avg, v, sz); \
69  decl_filter_funcs(put, hv, sz); \
70  decl_filter_funcs(avg, hv, sz)
71 
77 
78 decl_mc_funcs(64);
79 decl_mc_funcs(32);
80 decl_mc_funcs(16);
81 decl_mc_funcs(8);
82 decl_mc_funcs(4);
83 
84 #define define_8tap_2d_funcs(sz) \
85  define_8tap_2d_fn(put, regular, sz) \
86  define_8tap_2d_fn(put, sharp, sz) \
87  define_8tap_2d_fn(put, smooth, sz) \
88  define_8tap_2d_fn(avg, regular, sz) \
89  define_8tap_2d_fn(avg, sharp, sz) \
90  define_8tap_2d_fn(avg, smooth, sz)
91 
97 
98 
99 static av_cold void vp9dsp_mc_init_arm(VP9DSPContext *dsp)
100 {
101  int cpu_flags = av_get_cpu_flags();
102 
103  if (have_neon(cpu_flags)) {
104 #define init_fpel(idx1, idx2, sz, type) \
105  dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][0][0] = \
106  dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][0][0] = \
107  dsp->mc[idx1][FILTER_8TAP_SHARP ][idx2][0][0] = \
108  dsp->mc[idx1][FILTER_BILINEAR ][idx2][0][0] = ff_vp9_##type##sz##_neon
109 
110 #define init_copy_avg(idx, sz) \
111  init_fpel(idx, 0, sz, copy); \
112  init_fpel(idx, 1, sz, avg)
113 
114 #define init_mc_func(idx1, idx2, op, filter, fname, dir, mx, my, sz, pfx) \
115  dsp->mc[idx1][filter][idx2][mx][my] = pfx##op##_##fname##sz##_##dir##_neon
116 
117 #define init_mc_funcs(idx, dir, mx, my, sz, pfx) \
118  init_mc_func(idx, 0, put, FILTER_8TAP_REGULAR, regular, dir, mx, my, sz, pfx); \
119  init_mc_func(idx, 0, put, FILTER_8TAP_SHARP, sharp, dir, mx, my, sz, pfx); \
120  init_mc_func(idx, 0, put, FILTER_8TAP_SMOOTH, smooth, dir, mx, my, sz, pfx); \
121  init_mc_func(idx, 1, avg, FILTER_8TAP_REGULAR, regular, dir, mx, my, sz, pfx); \
122  init_mc_func(idx, 1, avg, FILTER_8TAP_SHARP, sharp, dir, mx, my, sz, pfx); \
123  init_mc_func(idx, 1, avg, FILTER_8TAP_SMOOTH, smooth, dir, mx, my, sz, pfx)
124 
125 #define init_mc_funcs_dirs(idx, sz) \
126  init_mc_funcs(idx, h, 1, 0, sz, ff_vp9_); \
127  init_mc_funcs(idx, v, 0, 1, sz, ff_vp9_); \
128  init_mc_funcs(idx, hv, 1, 1, sz,)
129 
130  init_copy_avg(0, 64);
131  init_copy_avg(1, 32);
132  init_copy_avg(2, 16);
133  init_copy_avg(3, 8);
134  init_copy_avg(4, 4);
135 
136  init_mc_funcs_dirs(0, 64);
137  init_mc_funcs_dirs(1, 32);
138  init_mc_funcs_dirs(2, 16);
139  init_mc_funcs_dirs(3, 8);
140  init_mc_funcs_dirs(4, 4);
141  }
142 }
143 
144 #define define_itxfm(type_a, type_b, sz) \
145 void ff_vp9_##type_a##_##type_b##_##sz##x##sz##_add_neon(uint8_t *_dst, \
146  ptrdiff_t stride, \
147  int16_t *_block, int eob)
148 
149 #define define_itxfm_funcs(sz) \
150  define_itxfm(idct, idct, sz); \
151  define_itxfm(iadst, idct, sz); \
152  define_itxfm(idct, iadst, sz); \
153  define_itxfm(iadst, iadst, sz)
154 
158 define_itxfm(idct, idct, 32);
159 define_itxfm(iwht, iwht, 4);
160 
161 
163 {
164  int cpu_flags = av_get_cpu_flags();
165 
166  if (have_neon(cpu_flags)) {
167 #define init_itxfm(tx, sz) \
168  dsp->itxfm_add[tx][DCT_DCT] = ff_vp9_idct_idct_##sz##_add_neon; \
169  dsp->itxfm_add[tx][DCT_ADST] = ff_vp9_iadst_idct_##sz##_add_neon; \
170  dsp->itxfm_add[tx][ADST_DCT] = ff_vp9_idct_iadst_##sz##_add_neon; \
171  dsp->itxfm_add[tx][ADST_ADST] = ff_vp9_iadst_iadst_##sz##_add_neon
172 
173 #define init_idct(tx, nm) \
174  dsp->itxfm_add[tx][DCT_DCT] = \
175  dsp->itxfm_add[tx][ADST_DCT] = \
176  dsp->itxfm_add[tx][DCT_ADST] = \
177  dsp->itxfm_add[tx][ADST_ADST] = ff_vp9_##nm##_add_neon
178 
179  init_itxfm(TX_4X4, 4x4);
180  init_itxfm(TX_8X8, 8x8);
181  init_itxfm(TX_16X16, 16x16);
182  init_idct(TX_32X32, idct_idct_32x32);
183  init_idct(4, iwht_iwht_4x4);
184  }
185 }
186 
187 #define define_loop_filter(dir, wd, size) \
188 void ff_vp9_loop_filter_##dir##_##wd##_##size##_neon(uint8_t *dst, ptrdiff_t stride, int E, int I, int H)
189 
190 #define define_loop_filters(wd, size) \
191  define_loop_filter(h, wd, size); \
192  define_loop_filter(v, wd, size)
193 
194 define_loop_filters(4, 8);
195 define_loop_filters(8, 8);
196 define_loop_filters(16, 8);
197 define_loop_filters(16, 16);
198 
199 define_loop_filters(44, 16);
200 
201 #define lf_mix_fn(dir, wd1, wd2, stridea) \
202 static void loop_filter_##dir##_##wd1##wd2##_16_neon(uint8_t *dst, \
203  ptrdiff_t stride, \
204  int E, int I, int H) \
205 { \
206  ff_vp9_loop_filter_##dir##_##wd1##_8_neon(dst, stride, E & 0xff, I & 0xff, H & 0xff); \
207  ff_vp9_loop_filter_##dir##_##wd2##_8_neon(dst + 8 * stridea, stride, E >> 8, I >> 8, H >> 8); \
208 }
209 
210 #define lf_mix_fns(wd1, wd2) \
211  lf_mix_fn(h, wd1, wd2, stride) \
212  lf_mix_fn(v, wd1, wd2, sizeof(uint8_t))
213 
215 lf_mix_fns(8, 4)
216 lf_mix_fns(8, 8)
217 
219 {
220  int cpu_flags = av_get_cpu_flags();
221 
222  if (have_neon(cpu_flags)) {
223  dsp->loop_filter_8[0][1] = ff_vp9_loop_filter_v_4_8_neon;
224  dsp->loop_filter_8[0][0] = ff_vp9_loop_filter_h_4_8_neon;
225  dsp->loop_filter_8[1][1] = ff_vp9_loop_filter_v_8_8_neon;
226  dsp->loop_filter_8[1][0] = ff_vp9_loop_filter_h_8_8_neon;
227  dsp->loop_filter_8[2][1] = ff_vp9_loop_filter_v_16_8_neon;
228  dsp->loop_filter_8[2][0] = ff_vp9_loop_filter_h_16_8_neon;
229 
230  dsp->loop_filter_16[0] = ff_vp9_loop_filter_h_16_16_neon;
231  dsp->loop_filter_16[1] = ff_vp9_loop_filter_v_16_16_neon;
232 
233  dsp->loop_filter_mix2[0][0][0] = ff_vp9_loop_filter_h_44_16_neon;
234  dsp->loop_filter_mix2[0][0][1] = ff_vp9_loop_filter_v_44_16_neon;
235  dsp->loop_filter_mix2[0][1][0] = loop_filter_h_48_16_neon;
236  dsp->loop_filter_mix2[0][1][1] = loop_filter_v_48_16_neon;
237  dsp->loop_filter_mix2[1][0][0] = loop_filter_h_84_16_neon;
238  dsp->loop_filter_mix2[1][0][1] = loop_filter_v_84_16_neon;
239  dsp->loop_filter_mix2[1][1][0] = loop_filter_h_88_16_neon;
240  dsp->loop_filter_mix2[1][1][1] = loop_filter_v_88_16_neon;
241  }
242 }
243 
245 {
246  if (bpp == 10) {
248  return;
249  } else if (bpp == 12) {
251  return;
252  } else if (bpp != 8)
253  return;
254 
255  vp9dsp_mc_init_arm(dsp);
258 }
static void idct(int16_t block[64])
Definition: 4xm.c:163
av_cold void ff_vp9dsp_init_arm(VP9DSPContext *dsp, int bpp)
static atomic_int cpu_flags
Definition: cpu.c:50
#define init_mc_funcs_dirs(idx, sz)
Macro definitions for various function/variable attributes.
Definition: vp9.h:29
#define av_cold
Definition: attributes.h:88
#define init_idct(tx, nm)
Definition: vp9.h:30
Definition: vp9.h:28
#define define_itxfm(type_a, type_b, sz)
common internal API header
#define have_neon(flags)
Definition: cpu.h:26
#define lf_mix_fns(wd1, wd2)
#define decl_mc_funcs(sz)
void ff_vp9dsp_init_12bpp_arm(VP9DSPContext *dsp)
static av_cold void vp9dsp_itxfm_init_arm(VP9DSPContext *dsp)
static av_cold void vp9dsp_loopfilter_init_arm(VP9DSPContext *dsp)
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
#define init_copy_avg(idx, sz)
#define declare_copy_avg(sz)
#define init_itxfm(tx, sz)
Definition: vp9.h:31
void ff_vp9dsp_init_10bpp_arm(VP9DSPContext *dsp)
#define define_loop_filters(wd, size)
#define define_8tap_2d_funcs(sz)
#define define_itxfm_funcs(sz)