FFmpeg
vp9dsp_mips.h
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2015 Shivraj Patil (Shivraj.Patil@imgtec.com)
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 #ifndef AVCODEC_MIPS_VP9DSP_MIPS_H
22 #define AVCODEC_MIPS_VP9DSP_MIPS_H
23 
24 #include <stddef.h>
25 #include <stdint.h>
26 
27 #define VP9_8TAP_MIPS_MSA_FUNC(SIZE, type, type_idx) \
28 void ff_put_8tap_##type##_##SIZE##h_msa(uint8_t *dst, ptrdiff_t dststride, \
29  const uint8_t *src, \
30  ptrdiff_t srcstride, \
31  int h, int mx, int my); \
32  \
33 void ff_put_8tap_##type##_##SIZE##v_msa(uint8_t *dst, ptrdiff_t dststride, \
34  const uint8_t *src, \
35  ptrdiff_t srcstride, \
36  int h, int mx, int my); \
37  \
38 void ff_put_8tap_##type##_##SIZE##hv_msa(uint8_t *dst, ptrdiff_t dststride, \
39  const uint8_t *src, \
40  ptrdiff_t srcstride, \
41  int h, int mx, int my); \
42  \
43 void ff_avg_8tap_##type##_##SIZE##h_msa(uint8_t *dst, ptrdiff_t dststride, \
44  const uint8_t *src, \
45  ptrdiff_t srcstride, \
46  int h, int mx, int my); \
47  \
48 void ff_avg_8tap_##type##_##SIZE##v_msa(uint8_t *dst, ptrdiff_t dststride, \
49  const uint8_t *src, \
50  ptrdiff_t srcstride, \
51  int h, int mx, int my); \
52  \
53 void ff_avg_8tap_##type##_##SIZE##hv_msa(uint8_t *dst, ptrdiff_t dststride, \
54  const uint8_t *src, \
55  ptrdiff_t srcstride, \
56  int h, int mx, int my);
57 
58 #define VP9_BILINEAR_MIPS_MSA_FUNC(SIZE) \
59 void ff_put_bilin_##SIZE##h_msa(uint8_t *dst, ptrdiff_t dststride, \
60  const uint8_t *src, ptrdiff_t srcstride, \
61  int h, int mx, int my); \
62  \
63 void ff_put_bilin_##SIZE##v_msa(uint8_t *dst, ptrdiff_t dststride, \
64  const uint8_t *src, ptrdiff_t srcstride, \
65  int h, int mx, int my); \
66  \
67 void ff_put_bilin_##SIZE##hv_msa(uint8_t *dst, ptrdiff_t dststride, \
68  const uint8_t *src, ptrdiff_t srcstride, \
69  int h, int mx, int my); \
70  \
71 void ff_avg_bilin_##SIZE##h_msa(uint8_t *dst, ptrdiff_t dststride, \
72  const uint8_t *src, ptrdiff_t srcstride, \
73  int h, int mx, int my); \
74  \
75 void ff_avg_bilin_##SIZE##v_msa(uint8_t *dst, ptrdiff_t dststride, \
76  const uint8_t *src, ptrdiff_t srcstride, \
77  int h, int mx, int my); \
78  \
79 void ff_avg_bilin_##SIZE##hv_msa(uint8_t *dst, ptrdiff_t dststride, \
80  const uint8_t *src, ptrdiff_t srcstride, \
81  int h, int mx, int my);
82 
83 #define VP9_COPY_AVG_MIPS_MSA_FUNC(SIZE) \
84 void ff_copy##SIZE##_msa(uint8_t *dst, ptrdiff_t dststride, \
85  const uint8_t *src, ptrdiff_t srcstride, \
86  int h, int mx, int my); \
87  \
88 void ff_avg##SIZE##_msa(uint8_t *dst, ptrdiff_t dststride, \
89  const uint8_t *src, ptrdiff_t srcstride, \
90  int h, int mx, int my);
91 
97 
103 
109 
115 
121 
122 #undef VP9_8TAP_MIPS_MSA_FUNC
123 #undef VP9_BILINEAR_MIPS_MSA_FUNC
124 #undef VP9_COPY_AVG_MIPS_MSA_FUNC
125 
126 void ff_loop_filter_h_4_8_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
127  int32_t i, int32_t h);
128 void ff_loop_filter_h_8_8_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
129  int32_t i, int32_t h);
130 void ff_loop_filter_h_16_8_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
131  int32_t i, int32_t h);
132 void ff_loop_filter_v_4_8_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
133  int32_t i, int32_t h);
134 void ff_loop_filter_v_8_8_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
135  int32_t i, int32_t h);
136 void ff_loop_filter_v_16_8_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
137  int32_t i, int32_t h);
138 void ff_loop_filter_h_44_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
139  int32_t i, int32_t h);
140 void ff_loop_filter_h_88_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
141  int32_t i, int32_t h);
142 void ff_loop_filter_h_16_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
143  int32_t i, int32_t h);
144 void ff_loop_filter_v_44_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
145  int32_t i, int32_t h);
146 void ff_loop_filter_v_88_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
147  int32_t i, int32_t h);
148 void ff_loop_filter_v_16_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
149  int32_t i, int32_t h);
150 void ff_loop_filter_h_48_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
151  int32_t i, int32_t h);
152 void ff_loop_filter_h_84_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
153  int32_t i, int32_t h);
154 void ff_loop_filter_v_48_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
155  int32_t i, int32_t h);
156 void ff_loop_filter_v_84_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e,
157  int32_t i, int32_t h);
158 void ff_idct_idct_4x4_add_msa(uint8_t *dst, ptrdiff_t stride,
159  int16_t *block, int eob);
160 void ff_idct_idct_8x8_add_msa(uint8_t *dst, ptrdiff_t stride,
161  int16_t *block, int eob);
162 void ff_idct_idct_16x16_add_msa(uint8_t *dst, ptrdiff_t stride,
163  int16_t *block, int eob);
164 void ff_idct_idct_32x32_add_msa(uint8_t *dst, ptrdiff_t stride,
165  int16_t *block, int eob);
166 void ff_iadst_iadst_4x4_add_msa(uint8_t *dst, ptrdiff_t stride,
167  int16_t *block, int eob);
168 void ff_iadst_iadst_8x8_add_msa(uint8_t *dst, ptrdiff_t stride,
169  int16_t *block, int eob);
170 void ff_iadst_iadst_16x16_add_msa(uint8_t *dst, ptrdiff_t stride,
171  int16_t *block, int eob);
172 void ff_iadst_idct_4x4_add_msa(uint8_t *dst, ptrdiff_t stride,
173  int16_t *block, int eob);
174 void ff_iadst_idct_8x8_add_msa(uint8_t *dst, ptrdiff_t stride,
175  int16_t *block, int eob);
176 void ff_iadst_idct_16x16_add_msa(uint8_t *dst, ptrdiff_t stride,
177  int16_t *block, int eob);
178 void ff_idct_iadst_4x4_add_msa(uint8_t *pu8Dest, ptrdiff_t stride,
179  int16_t *block, int eob);
180 void ff_idct_iadst_8x8_add_msa(uint8_t *pu8Dest, ptrdiff_t stride,
181  int16_t *block, int eob);
182 void ff_idct_iadst_16x16_add_msa(uint8_t *pu8Dest, ptrdiff_t stride,
183  int16_t *block, int eob);
184 void ff_iwht_iwht_4x4_add_msa(uint8_t *dst, ptrdiff_t stride,
185  int16_t *block, int eob);
186 
187 void ff_vert_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
188  const uint8_t *top);
189 void ff_vert_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
190  const uint8_t *top);
191 void ff_hor_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
192  const uint8_t *top);
193 void ff_hor_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
194  const uint8_t *top);
195 void ff_dc_4x4_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
196  const uint8_t *top);
197 void ff_dc_8x8_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
198  const uint8_t *top);
199 void ff_dc_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
200  const uint8_t *top);
201 void ff_dc_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
202  const uint8_t *top);
203 void ff_dc_left_4x4_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
204  const uint8_t *top);
205 void ff_dc_left_8x8_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
206  const uint8_t *top);
207 void ff_dc_left_16x16_msa(uint8_t *dst, ptrdiff_t stride,
208  const uint8_t *left, const uint8_t *top);
209 void ff_dc_left_32x32_msa(uint8_t *dst, ptrdiff_t stride,
210  const uint8_t *left, const uint8_t *top);
211 void ff_dc_top_4x4_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
212  const uint8_t *top);
213 void ff_dc_top_8x8_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
214  const uint8_t *top);
215 void ff_dc_top_16x16_msa(uint8_t *dst, ptrdiff_t stride,
216  const uint8_t *left, const uint8_t *top);
217 void ff_dc_top_32x32_msa(uint8_t *dst, ptrdiff_t stride,
218  const uint8_t *left, const uint8_t *top);
219 void ff_dc_128_16x16_msa(uint8_t *dst, ptrdiff_t stride,
220  const uint8_t *left, const uint8_t *top);
221 void ff_dc_128_32x32_msa(uint8_t *dst, ptrdiff_t stride,
222  const uint8_t *left, const uint8_t *top);
223 void ff_dc_127_16x16_msa(uint8_t *dst, ptrdiff_t stride,
224  const uint8_t *left, const uint8_t *top);
225 void ff_dc_127_32x32_msa(uint8_t *dst, ptrdiff_t stride,
226  const uint8_t *left, const uint8_t *top);
227 void ff_dc_129_16x16_msa(uint8_t *dst, ptrdiff_t stride,
228  const uint8_t *left, const uint8_t *top);
229 void ff_dc_129_32x32_msa(uint8_t *dst, ptrdiff_t stride,
230  const uint8_t *left, const uint8_t *top);
231 void ff_tm_4x4_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
232  const uint8_t *top);
233 void ff_tm_8x8_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
234  const uint8_t *top);
235 void ff_tm_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
236  const uint8_t *top);
237 void ff_tm_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left,
238  const uint8_t *top);
239 
240 #define VP9_8TAP_MIPS_MMI_FUNC(SIZE, type, type_idx) \
241 void ff_put_8tap_##type##_##SIZE##h_mmi(uint8_t *dst, ptrdiff_t dststride, \
242  const uint8_t *src, \
243  ptrdiff_t srcstride, \
244  int h, int mx, int my); \
245  \
246 void ff_put_8tap_##type##_##SIZE##v_mmi(uint8_t *dst, ptrdiff_t dststride, \
247  const uint8_t *src, \
248  ptrdiff_t srcstride, \
249  int h, int mx, int my); \
250  \
251 void ff_put_8tap_##type##_##SIZE##hv_mmi(uint8_t *dst, ptrdiff_t dststride, \
252  const uint8_t *src, \
253  ptrdiff_t srcstride, \
254  int h, int mx, int my); \
255  \
256 void ff_avg_8tap_##type##_##SIZE##h_mmi(uint8_t *dst, ptrdiff_t dststride, \
257  const uint8_t *src, \
258  ptrdiff_t srcstride, \
259  int h, int mx, int my); \
260  \
261 void ff_avg_8tap_##type##_##SIZE##v_mmi(uint8_t *dst, ptrdiff_t dststride, \
262  const uint8_t *src, \
263  ptrdiff_t srcstride, \
264  int h, int mx, int my); \
265  \
266 void ff_avg_8tap_##type##_##SIZE##hv_mmi(uint8_t *dst, ptrdiff_t dststride, \
267  const uint8_t *src, \
268  ptrdiff_t srcstride, \
269  int h, int mx, int my);
270 
276 
282 
288 #undef VP9_8TAP_MIPS_MMI_FUNC
289 
290 #endif // #ifndef AVCODEC_MIPS_VP9DSP_MIPS_H
ff_iadst_idct_16x16_add_msa
void ff_iadst_idct_16x16_add_msa(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob)
Definition: vp9_idct_msa.c:2167
ff_idct_idct_32x32_add_msa
void ff_idct_idct_32x32_add_msa(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob)
Definition: vp9_idct_msa.c:2105
ff_dc_left_4x4_msa
void ff_dc_left_4x4_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
ff_dc_4x4_msa
void ff_dc_4x4_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
Definition: vp9_intra_msa.c:108
ff_iadst_iadst_4x4_add_msa
void ff_iadst_iadst_4x4_add_msa(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob)
Definition: vp9_idct_msa.c:2119
ff_hor_16x16_msa
void ff_hor_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
Definition: vp9_intra_msa.c:60
ff_dc_8x8_msa
void ff_dc_8x8_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
Definition: vp9_intra_msa.c:153
ff_idct_iadst_4x4_add_msa
void ff_idct_iadst_4x4_add_msa(uint8_t *pu8Dest, ptrdiff_t stride, int16_t *block, int eob)
Definition: vp9_idct_msa.c:2137
ff_loop_filter_h_16_8_msa
void ff_loop_filter_h_16_8_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:2066
ff_dc_left_8x8_msa
void ff_dc_left_8x8_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
ff_dc_129_32x32_msa
void ff_dc_129_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
ff_iadst_idct_8x8_add_msa
void ff_iadst_idct_8x8_add_msa(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob)
Definition: vp9_idct_msa.c:2161
ff_loop_filter_h_48_16_msa
void ff_loop_filter_h_48_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:1565
ff_vert_32x32_msa
void ff_vert_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
Definition: vp9_intra_msa.c:45
ff_dc_top_32x32_msa
void ff_dc_top_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
ff_idct_iadst_16x16_add_msa
void ff_idct_iadst_16x16_add_msa(uint8_t *pu8Dest, ptrdiff_t stride, int16_t *block, int eob)
Definition: vp9_idct_msa.c:2149
ff_idct_idct_8x8_add_msa
void ff_idct_idct_8x8_add_msa(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob)
Definition: vp9_idct_msa.c:2076
FILTER_8TAP_SHARP
@ FILTER_8TAP_SHARP
Definition: vp9.h:67
ff_loop_filter_v_16_16_msa
void ff_loop_filter_v_16_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:958
ff_dc_16x16_msa
void ff_dc_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
Definition: vp9_intra_msa.c:209
ff_tm_16x16_msa
void ff_tm_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
Definition: vp9_intra_msa.c:418
ff_dc_128_16x16_msa
void ff_dc_128_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
ff_dc_top_4x4_msa
void ff_dc_top_4x4_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
ff_tm_8x8_msa
void ff_tm_8x8_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
Definition: vp9_intra_msa.c:385
ff_idct_idct_4x4_add_msa
void ff_idct_idct_4x4_add_msa(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob)
Definition: vp9_idct_msa.c:2065
ff_dc_127_32x32_msa
void ff_dc_127_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
ff_vert_16x16_msa
void ff_vert_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
Definition: vp9_intra_msa.c:31
ff_dc_32x32_msa
void ff_dc_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
Definition: vp9_intra_msa.c:259
FILTER_8TAP_REGULAR
@ FILTER_8TAP_REGULAR
Definition: vp9.h:66
ff_loop_filter_v_48_16_msa
void ff_loop_filter_v_48_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:479
ff_dc_128_32x32_msa
void ff_dc_128_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
ff_idct_iadst_8x8_add_msa
void ff_idct_iadst_8x8_add_msa(uint8_t *pu8Dest, ptrdiff_t stride, int16_t *block, int eob)
Definition: vp9_idct_msa.c:2143
ff_dc_127_16x16_msa
void ff_dc_127_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
ff_loop_filter_h_16_16_msa
void ff_loop_filter_h_16_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:2502
ff_iadst_iadst_8x8_add_msa
void ff_iadst_iadst_8x8_add_msa(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob)
Definition: vp9_idct_msa.c:2125
ff_loop_filter_v_8_8_msa
void ff_loop_filter_v_8_8_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:255
ff_tm_32x32_msa
void ff_tm_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
Definition: vp9_intra_msa.c:469
ff_idct_idct_16x16_add_msa
void ff_idct_idct_16x16_add_msa(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob)
Definition: vp9_idct_msa.c:2090
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:271
ff_dc_top_16x16_msa
void ff_dc_top_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
FILTER_8TAP_SMOOTH
@ FILTER_8TAP_SMOOTH
Definition: vp9.h:65
ff_loop_filter_h_4_8_msa
void ff_loop_filter_h_4_8_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:1198
ff_loop_filter_v_16_8_msa
void ff_loop_filter_v_16_8_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:974
stride
#define stride
Definition: h264pred_template.c:537
ff_loop_filter_v_88_16_msa
void ff_loop_filter_v_88_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:329
ff_iadst_idct_4x4_add_msa
void ff_iadst_idct_4x4_add_msa(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob)
Definition: vp9_idct_msa.c:2155
ff_dc_left_16x16_msa
void ff_dc_left_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
left
Tag MUST be and< 10hcoeff half pel interpolation filter coefficients, hcoeff[0] are the 2 middle coefficients[1] are the next outer ones and so on, resulting in a filter like:...eff[2], hcoeff[1], hcoeff[0], hcoeff[0], hcoeff[1], hcoeff[2] ... the sign of the coefficients is not explicitly stored but alternates after each coeff and coeff[0] is positive, so ...,+,-,+,-,+,+,-,+,-,+,... hcoeff[0] is not explicitly stored but found by subtracting the sum of all stored coefficients with signs from 32 hcoeff[0]=32 - hcoeff[1] - hcoeff[2] - ... a good choice for hcoeff and htaps is htaps=6 hcoeff={40,-10, 2} an alternative which requires more computations at both encoder and decoder side and may or may not be better is htaps=8 hcoeff={42,-14, 6,-2}ref_frames minimum of the number of available reference frames and max_ref_frames for example the first frame after a key frame always has ref_frames=1spatial_decomposition_type wavelet type 0 is a 9/7 symmetric compact integer wavelet 1 is a 5/3 symmetric compact integer wavelet others are reserved stored as delta from last, last is reset to 0 if always_reset||keyframeqlog quality(logarithmic quantizer scale) stored as delta from last, last is reset to 0 if always_reset||keyframemv_scale stored as delta from last, last is reset to 0 if always_reset||keyframe FIXME check that everything works fine if this changes between framesqbias dequantization bias stored as delta from last, last is reset to 0 if always_reset||keyframeblock_max_depth maximum depth of the block tree stored as delta from last, last is reset to 0 if always_reset||keyframequant_table quantization tableHighlevel bitstream structure:==============================--------------------------------------------|Header|--------------------------------------------|------------------------------------|||Block0||||split?||||yes no||||......... intra?||||:Block01 :yes no||||:Block02 :....... ..........||||:Block03 ::y DC ::ref index:||||:Block04 ::cb DC ::motion x :||||......... :cr DC ::motion y :||||....... ..........|||------------------------------------||------------------------------------|||Block1|||...|--------------------------------------------|------------ ------------ ------------|||Y subbands||Cb subbands||Cr subbands||||--- ---||--- ---||--- ---|||||LL0||HL0||||LL0||HL0||||LL0||HL0|||||--- ---||--- ---||--- ---||||--- ---||--- ---||--- ---|||||LH0||HH0||||LH0||HH0||||LH0||HH0|||||--- ---||--- ---||--- ---||||--- ---||--- ---||--- ---|||||HL1||LH1||||HL1||LH1||||HL1||LH1|||||--- ---||--- ---||--- ---||||--- ---||--- ---||--- ---|||||HH1||HL2||||HH1||HL2||||HH1||HL2|||||...||...||...|||------------ ------------ ------------|--------------------------------------------Decoding process:=================------------|||Subbands|------------||||------------|Intra DC||||LL0 subband prediction ------------|\ Dequantization ------------------- \||Reference frames|\ IDWT|------- -------|Motion \|||Frame 0||Frame 1||Compensation . OBMC v -------|------- -------|--------------. \------> Frame n output Frame Frame<----------------------------------/|...|------------------- Range Coder:============Binary Range Coder:------------------- The implemented range coder is an adapted version based upon "Range encoding: an algorithm for removing redundancy from a digitised message." by G. N. N. Martin. The symbols encoded by the Snow range coder are bits(0|1). The associated probabilities are not fix but change depending on the symbol mix seen so far. bit seen|new state ---------+----------------------------------------------- 0|256 - state_transition_table[256 - old_state];1|state_transition_table[old_state];state_transition_table={ 0, 0, 0, 0, 0, 0, 0, 0, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 190, 191, 192, 194, 194, 195, 196, 197, 198, 199, 200, 201, 202, 202, 204, 205, 206, 207, 208, 209, 209, 210, 211, 212, 213, 215, 215, 216, 217, 218, 219, 220, 220, 222, 223, 224, 225, 226, 227, 227, 229, 229, 230, 231, 232, 234, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 248, 0, 0, 0, 0, 0, 0, 0};FIXME Range Coding of integers:------------------------- FIXME Neighboring Blocks:===================left and top are set to the respective blocks unless they are outside of the image in which case they are set to the Null block top-left is set to the top left block unless it is outside of the image in which case it is set to the left block if this block has no larger parent block or it is at the left side of its parent block and the top right block is not outside of the image then the top right block is used for top-right else the top-left block is used Null block y, cb, cr are 128 level, ref, mx and my are 0 Motion Vector Prediction:=========================1. the motion vectors of all the neighboring blocks are scaled to compensate for the difference of reference frames scaled_mv=(mv *(256 *(current_reference+1)/(mv.reference+1))+128)> the median of the scaled left
Definition: snow.txt:386
ff_iwht_iwht_4x4_add_msa
void ff_iwht_iwht_4x4_add_msa(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob)
ff_dc_129_16x16_msa
void ff_dc_129_16x16_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
VP9_8TAP_MIPS_MMI_FUNC
#define VP9_8TAP_MIPS_MMI_FUNC(SIZE, type, type_idx)
Definition: vp9dsp_mips.h:240
VP9_8TAP_MIPS_MSA_FUNC
#define VP9_8TAP_MIPS_MSA_FUNC(SIZE, type, type_idx)
Definition: vp9dsp_mips.h:27
ff_loop_filter_h_8_8_msa
void ff_loop_filter_h_8_8_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:1271
smooth
static float smooth(DeshakeOpenCLContext *deshake_ctx, float *gauss_kernel, int length, float max_val, AVFifo *values)
Definition: vf_deshake_opencl.c:889
int32_t
int32_t
Definition: audioconvert.c:56
ff_loop_filter_v_4_8_msa
void ff_loop_filter_v_4_8_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:196
ff_loop_filter_v_44_16_msa
void ff_loop_filter_v_44_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:225
ff_iadst_iadst_16x16_add_msa
void ff_iadst_iadst_16x16_add_msa(uint8_t *dst, ptrdiff_t stride, int16_t *block, int eob)
Definition: vp9_idct_msa.c:2131
block
The exact code depends on how similar the blocks are and how related they are to the block
Definition: filter_design.txt:207
h
h
Definition: vp9dsp_template.c:2038
ff_dc_top_8x8_msa
void ff_dc_top_8x8_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
ff_hor_32x32_msa
void ff_hor_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
Definition: vp9_intra_msa.c:81
VP9_BILINEAR_MIPS_MSA_FUNC
#define VP9_BILINEAR_MIPS_MSA_FUNC(SIZE)
Definition: vp9dsp_mips.h:58
VP9_COPY_AVG_MIPS_MSA_FUNC
#define VP9_COPY_AVG_MIPS_MSA_FUNC(SIZE)
Definition: vp9dsp_mips.h:83
ff_loop_filter_h_88_16_msa
void ff_loop_filter_h_88_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:1349
ff_loop_filter_h_84_16_msa
void ff_loop_filter_h_84_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:1462
ff_dc_left_32x32_msa
void ff_dc_left_32x32_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
ff_loop_filter_h_44_16_msa
void ff_loop_filter_h_44_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:1225
ff_tm_4x4_msa
void ff_tm_4x4_msa(uint8_t *dst, ptrdiff_t stride, const uint8_t *left, const uint8_t *top)
Definition: vp9_intra_msa.c:357
ff_loop_filter_v_84_16_msa
void ff_loop_filter_v_84_16_msa(uint8_t *dst, ptrdiff_t stride, int32_t e, int32_t i, int32_t h)
Definition: vp9_lpf_msa.c:408