1 |
|
|
/* |
2 |
|
|
* This file is part of FFmpeg. |
3 |
|
|
* |
4 |
|
|
* FFmpeg is free software; you can redistribute it and/or |
5 |
|
|
* modify it under the terms of the GNU Lesser General Public |
6 |
|
|
* License as published by the Free Software Foundation; either |
7 |
|
|
* version 2.1 of the License, or (at your option) any later version. |
8 |
|
|
* |
9 |
|
|
* FFmpeg is distributed in the hope that it will be useful, |
10 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 |
|
|
* Lesser General Public License for more details. |
13 |
|
|
* |
14 |
|
|
* You should have received a copy of the GNU Lesser General Public |
15 |
|
|
* License along with FFmpeg; if not, write to the Free Software |
16 |
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
17 |
|
|
*/ |
18 |
|
|
|
19 |
|
|
#include "config.h" |
20 |
|
|
#include "libavutil/attributes.h" |
21 |
|
|
#include "libavutil/common.h" |
22 |
|
|
#include "avcodec.h" |
23 |
|
|
#include "dct.h" |
24 |
|
|
#include "faanidct.h" |
25 |
|
|
#include "idctdsp.h" |
26 |
|
|
#include "simple_idct.h" |
27 |
|
|
#include "xvididct.h" |
28 |
|
|
|
29 |
|
41049 |
av_cold void ff_init_scantable(uint8_t *permutation, ScanTable *st, |
30 |
|
|
const uint8_t *src_scantable) |
31 |
|
|
{ |
32 |
|
|
int i, end; |
33 |
|
|
|
34 |
|
41049 |
st->scantable = src_scantable; |
35 |
|
|
|
36 |
✓✓ |
2668185 |
for (i = 0; i < 64; i++) { |
37 |
|
2627136 |
int j = src_scantable[i]; |
38 |
|
2627136 |
st->permutated[i] = permutation[j]; |
39 |
|
|
} |
40 |
|
|
|
41 |
|
41049 |
end = -1; |
42 |
✓✓ |
2668185 |
for (i = 0; i < 64; i++) { |
43 |
|
2627136 |
int j = st->permutated[i]; |
44 |
✓✓ |
2627136 |
if (j > end) |
45 |
|
554043 |
end = j; |
46 |
|
2627136 |
st->raster_end[i] = end; |
47 |
|
|
} |
48 |
|
41049 |
} |
49 |
|
|
|
50 |
|
1828 |
av_cold void ff_init_scantable_permutation(uint8_t *idct_permutation, |
51 |
|
|
enum idct_permutation_type perm_type) |
52 |
|
|
{ |
53 |
|
|
int i; |
54 |
|
|
|
55 |
|
|
if (ARCH_X86) |
56 |
✓✓ |
1828 |
if (ff_init_scantable_permutation_x86(idct_permutation, |
57 |
|
|
perm_type)) |
58 |
|
4 |
return; |
59 |
|
|
|
60 |
✓✓✓✗ ✗ |
1824 |
switch (perm_type) { |
61 |
|
1532 |
case FF_IDCT_PERM_NONE: |
62 |
✓✓ |
99580 |
for (i = 0; i < 64; i++) |
63 |
|
98048 |
idct_permutation[i] = i; |
64 |
|
1532 |
break; |
65 |
|
4 |
case FF_IDCT_PERM_LIBMPEG2: |
66 |
✓✓ |
260 |
for (i = 0; i < 64; i++) |
67 |
|
256 |
idct_permutation[i] = (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2); |
68 |
|
4 |
break; |
69 |
|
288 |
case FF_IDCT_PERM_TRANSPOSE: |
70 |
✓✓ |
18720 |
for (i = 0; i < 64; i++) |
71 |
|
18432 |
idct_permutation[i] = ((i & 7) << 3) | (i >> 3); |
72 |
|
288 |
break; |
73 |
|
|
case FF_IDCT_PERM_PARTTRANS: |
74 |
|
|
for (i = 0; i < 64; i++) |
75 |
|
|
idct_permutation[i] = (i & 0x24) | ((i & 3) << 3) | ((i >> 3) & 3); |
76 |
|
|
break; |
77 |
|
|
default: |
78 |
|
|
av_log(NULL, AV_LOG_ERROR, |
79 |
|
|
"Internal error, IDCT permutation not set\n"); |
80 |
|
|
} |
81 |
|
|
} |
82 |
|
|
|
83 |
|
141450 |
void ff_put_pixels_clamped_c(const int16_t *block, uint8_t *av_restrict pixels, |
84 |
|
|
ptrdiff_t line_size) |
85 |
|
|
{ |
86 |
|
|
int i; |
87 |
|
|
|
88 |
|
|
/* read the pixels */ |
89 |
✓✓ |
1273050 |
for (i = 0; i < 8; i++) { |
90 |
|
1131600 |
pixels[0] = av_clip_uint8(block[0]); |
91 |
|
1131600 |
pixels[1] = av_clip_uint8(block[1]); |
92 |
|
1131600 |
pixels[2] = av_clip_uint8(block[2]); |
93 |
|
1131600 |
pixels[3] = av_clip_uint8(block[3]); |
94 |
|
1131600 |
pixels[4] = av_clip_uint8(block[4]); |
95 |
|
1131600 |
pixels[5] = av_clip_uint8(block[5]); |
96 |
|
1131600 |
pixels[6] = av_clip_uint8(block[6]); |
97 |
|
1131600 |
pixels[7] = av_clip_uint8(block[7]); |
98 |
|
|
|
99 |
|
1131600 |
pixels += line_size; |
100 |
|
1131600 |
block += 8; |
101 |
|
|
} |
102 |
|
141450 |
} |
103 |
|
|
|
104 |
|
14262 |
static void put_pixels_clamped4_c(const int16_t *block, uint8_t *av_restrict pixels, |
105 |
|
|
int line_size) |
106 |
|
|
{ |
107 |
|
|
int i; |
108 |
|
|
|
109 |
|
|
/* read the pixels */ |
110 |
✓✓ |
71310 |
for(i=0;i<4;i++) { |
111 |
|
57048 |
pixels[0] = av_clip_uint8(block[0]); |
112 |
|
57048 |
pixels[1] = av_clip_uint8(block[1]); |
113 |
|
57048 |
pixels[2] = av_clip_uint8(block[2]); |
114 |
|
57048 |
pixels[3] = av_clip_uint8(block[3]); |
115 |
|
|
|
116 |
|
57048 |
pixels += line_size; |
117 |
|
57048 |
block += 8; |
118 |
|
|
} |
119 |
|
14262 |
} |
120 |
|
|
|
121 |
|
|
static void put_pixels_clamped2_c(const int16_t *block, uint8_t *av_restrict pixels, |
122 |
|
|
int line_size) |
123 |
|
|
{ |
124 |
|
|
int i; |
125 |
|
|
|
126 |
|
|
/* read the pixels */ |
127 |
|
|
for(i=0;i<2;i++) { |
128 |
|
|
pixels[0] = av_clip_uint8(block[0]); |
129 |
|
|
pixels[1] = av_clip_uint8(block[1]); |
130 |
|
|
|
131 |
|
|
pixels += line_size; |
132 |
|
|
block += 8; |
133 |
|
|
} |
134 |
|
|
} |
135 |
|
|
|
136 |
|
1027936 |
static void put_signed_pixels_clamped_c(const int16_t *block, |
137 |
|
|
uint8_t *av_restrict pixels, |
138 |
|
|
ptrdiff_t line_size) |
139 |
|
|
{ |
140 |
|
|
int i, j; |
141 |
|
|
|
142 |
✓✓ |
9251424 |
for (i = 0; i < 8; i++) { |
143 |
✓✓ |
74011392 |
for (j = 0; j < 8; j++) { |
144 |
✓✓ |
65787904 |
if (*block < -128) |
145 |
|
73 |
*pixels = 0; |
146 |
✓✓ |
65787831 |
else if (*block > 127) |
147 |
|
43966 |
*pixels = 255; |
148 |
|
|
else |
149 |
|
65743865 |
*pixels = (uint8_t) (*block + 128); |
150 |
|
65787904 |
block++; |
151 |
|
65787904 |
pixels++; |
152 |
|
|
} |
153 |
|
8223488 |
pixels += (line_size - 8); |
154 |
|
|
} |
155 |
|
1027936 |
} |
156 |
|
|
|
157 |
|
451709 |
void ff_add_pixels_clamped_c(const int16_t *block, uint8_t *av_restrict pixels, |
158 |
|
|
ptrdiff_t line_size) |
159 |
|
|
{ |
160 |
|
|
int i; |
161 |
|
|
|
162 |
|
|
/* read the pixels */ |
163 |
✓✓ |
4065381 |
for (i = 0; i < 8; i++) { |
164 |
|
3613672 |
pixels[0] = av_clip_uint8(pixels[0] + block[0]); |
165 |
|
3613672 |
pixels[1] = av_clip_uint8(pixels[1] + block[1]); |
166 |
|
3613672 |
pixels[2] = av_clip_uint8(pixels[2] + block[2]); |
167 |
|
3613672 |
pixels[3] = av_clip_uint8(pixels[3] + block[3]); |
168 |
|
3613672 |
pixels[4] = av_clip_uint8(pixels[4] + block[4]); |
169 |
|
3613672 |
pixels[5] = av_clip_uint8(pixels[5] + block[5]); |
170 |
|
3613672 |
pixels[6] = av_clip_uint8(pixels[6] + block[6]); |
171 |
|
3613672 |
pixels[7] = av_clip_uint8(pixels[7] + block[7]); |
172 |
|
3613672 |
pixels += line_size; |
173 |
|
3613672 |
block += 8; |
174 |
|
|
} |
175 |
|
451709 |
} |
176 |
|
|
|
177 |
|
73763 |
static void add_pixels_clamped4_c(const int16_t *block, uint8_t *av_restrict pixels, |
178 |
|
|
int line_size) |
179 |
|
|
{ |
180 |
|
|
int i; |
181 |
|
|
|
182 |
|
|
/* read the pixels */ |
183 |
✓✓ |
368815 |
for(i=0;i<4;i++) { |
184 |
|
295052 |
pixels[0] = av_clip_uint8(pixels[0] + block[0]); |
185 |
|
295052 |
pixels[1] = av_clip_uint8(pixels[1] + block[1]); |
186 |
|
295052 |
pixels[2] = av_clip_uint8(pixels[2] + block[2]); |
187 |
|
295052 |
pixels[3] = av_clip_uint8(pixels[3] + block[3]); |
188 |
|
295052 |
pixels += line_size; |
189 |
|
295052 |
block += 8; |
190 |
|
|
} |
191 |
|
73763 |
} |
192 |
|
|
|
193 |
|
|
static void add_pixels_clamped2_c(const int16_t *block, uint8_t *av_restrict pixels, |
194 |
|
|
int line_size) |
195 |
|
|
{ |
196 |
|
|
int i; |
197 |
|
|
|
198 |
|
|
/* read the pixels */ |
199 |
|
|
for(i=0;i<2;i++) { |
200 |
|
|
pixels[0] = av_clip_uint8(pixels[0] + block[0]); |
201 |
|
|
pixels[1] = av_clip_uint8(pixels[1] + block[1]); |
202 |
|
|
pixels += line_size; |
203 |
|
|
block += 8; |
204 |
|
|
} |
205 |
|
|
} |
206 |
|
|
|
207 |
|
14262 |
static void ff_jref_idct4_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block) |
208 |
|
|
{ |
209 |
|
14262 |
ff_j_rev_dct4 (block); |
210 |
|
14262 |
put_pixels_clamped4_c(block, dest, line_size); |
211 |
|
14262 |
} |
212 |
|
73763 |
static void ff_jref_idct4_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block) |
213 |
|
|
{ |
214 |
|
73763 |
ff_j_rev_dct4 (block); |
215 |
|
73763 |
add_pixels_clamped4_c(block, dest, line_size); |
216 |
|
73763 |
} |
217 |
|
|
|
218 |
|
|
static void ff_jref_idct2_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block) |
219 |
|
|
{ |
220 |
|
|
ff_j_rev_dct2 (block); |
221 |
|
|
put_pixels_clamped2_c(block, dest, line_size); |
222 |
|
|
} |
223 |
|
|
static void ff_jref_idct2_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block) |
224 |
|
|
{ |
225 |
|
|
ff_j_rev_dct2 (block); |
226 |
|
|
add_pixels_clamped2_c(block, dest, line_size); |
227 |
|
|
} |
228 |
|
|
|
229 |
|
|
static void ff_jref_idct1_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block) |
230 |
|
|
{ |
231 |
|
|
dest[0] = av_clip_uint8((block[0] + 4)>>3); |
232 |
|
|
} |
233 |
|
|
static void ff_jref_idct1_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block) |
234 |
|
|
{ |
235 |
|
|
dest[0] = av_clip_uint8(dest[0] + ((block[0] + 4)>>3)); |
236 |
|
|
} |
237 |
|
|
|
238 |
|
1603 |
av_cold void ff_idctdsp_init(IDCTDSPContext *c, AVCodecContext *avctx) |
239 |
|
|
{ |
240 |
|
1603 |
const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8; |
241 |
|
|
|
242 |
✓✓ |
1603 |
if (avctx->lowres==1) { |
243 |
|
1 |
c->idct_put = ff_jref_idct4_put; |
244 |
|
1 |
c->idct_add = ff_jref_idct4_add; |
245 |
|
1 |
c->idct = ff_j_rev_dct4; |
246 |
|
1 |
c->perm_type = FF_IDCT_PERM_NONE; |
247 |
✗✓ |
1602 |
} else if (avctx->lowres==2) { |
248 |
|
|
c->idct_put = ff_jref_idct2_put; |
249 |
|
|
c->idct_add = ff_jref_idct2_add; |
250 |
|
|
c->idct = ff_j_rev_dct2; |
251 |
|
|
c->perm_type = FF_IDCT_PERM_NONE; |
252 |
✗✓ |
1602 |
} else if (avctx->lowres==3) { |
253 |
|
|
c->idct_put = ff_jref_idct1_put; |
254 |
|
|
c->idct_add = ff_jref_idct1_add; |
255 |
|
|
c->idct = ff_j_rev_dct1; |
256 |
|
|
c->perm_type = FF_IDCT_PERM_NONE; |
257 |
|
|
} else { |
258 |
✓✓✗✓
|
1602 |
if (avctx->bits_per_raw_sample == 10 || avctx->bits_per_raw_sample == 9) { |
259 |
|
|
/* 10-bit MPEG-4 Simple Studio Profile requires a higher precision IDCT |
260 |
|
|
However, it only uses idct_put */ |
261 |
✗✓ |
23 |
if (c->mpeg4_studio_profile) { |
262 |
|
|
c->idct_put = ff_simple_idct_put_int32_10bit; |
263 |
|
|
c->idct_add = NULL; |
264 |
|
|
c->idct = NULL; |
265 |
|
|
} else { |
266 |
|
23 |
c->idct_put = ff_simple_idct_put_int16_10bit; |
267 |
|
23 |
c->idct_add = ff_simple_idct_add_int16_10bit; |
268 |
|
23 |
c->idct = ff_simple_idct_int16_10bit; |
269 |
|
|
} |
270 |
|
23 |
c->perm_type = FF_IDCT_PERM_NONE; |
271 |
✓✓ |
1579 |
} else if (avctx->bits_per_raw_sample == 12) { |
272 |
|
4 |
c->idct_put = ff_simple_idct_put_int16_12bit; |
273 |
|
4 |
c->idct_add = ff_simple_idct_add_int16_12bit; |
274 |
|
4 |
c->idct = ff_simple_idct_int16_12bit; |
275 |
|
4 |
c->perm_type = FF_IDCT_PERM_NONE; |
276 |
|
|
} else { |
277 |
✓✓ |
1575 |
if (avctx->idct_algo == FF_IDCT_INT) { |
278 |
|
4 |
c->idct_put = ff_jref_idct_put; |
279 |
|
4 |
c->idct_add = ff_jref_idct_add; |
280 |
|
4 |
c->idct = ff_j_rev_dct; |
281 |
|
4 |
c->perm_type = FF_IDCT_PERM_LIBMPEG2; |
282 |
|
|
#if CONFIG_FAANIDCT |
283 |
✗✓ |
1571 |
} else if (avctx->idct_algo == FF_IDCT_FAAN) { |
284 |
|
|
c->idct_put = ff_faanidct_put; |
285 |
|
|
c->idct_add = ff_faanidct_add; |
286 |
|
|
c->idct = ff_faanidct; |
287 |
|
|
c->perm_type = FF_IDCT_PERM_NONE; |
288 |
|
|
#endif /* CONFIG_FAANIDCT */ |
289 |
|
|
} else { // accurate/default |
290 |
|
|
/* Be sure FF_IDCT_NONE will select this one, since it uses FF_IDCT_PERM_NONE */ |
291 |
|
1571 |
c->idct_put = ff_simple_idct_put_int16_8bit; |
292 |
|
1571 |
c->idct_add = ff_simple_idct_add_int16_8bit; |
293 |
|
1571 |
c->idct = ff_simple_idct_int16_8bit; |
294 |
|
1571 |
c->perm_type = FF_IDCT_PERM_NONE; |
295 |
|
|
} |
296 |
|
|
} |
297 |
|
|
} |
298 |
|
|
|
299 |
|
1603 |
c->put_pixels_clamped = ff_put_pixels_clamped_c; |
300 |
|
1603 |
c->put_signed_pixels_clamped = put_signed_pixels_clamped_c; |
301 |
|
1603 |
c->add_pixels_clamped = ff_add_pixels_clamped_c; |
302 |
|
|
|
303 |
✓✓ |
1603 |
if (CONFIG_MPEG4_DECODER && avctx->idct_algo == FF_IDCT_XVID) |
304 |
|
4 |
ff_xvid_idct_init(c, avctx); |
305 |
|
|
|
306 |
|
|
if (ARCH_AARCH64) |
307 |
|
|
ff_idctdsp_init_aarch64(c, avctx, high_bit_depth); |
308 |
|
|
if (ARCH_ALPHA) |
309 |
|
|
ff_idctdsp_init_alpha(c, avctx, high_bit_depth); |
310 |
|
|
if (ARCH_ARM) |
311 |
|
|
ff_idctdsp_init_arm(c, avctx, high_bit_depth); |
312 |
|
|
if (ARCH_PPC) |
313 |
|
|
ff_idctdsp_init_ppc(c, avctx, high_bit_depth); |
314 |
|
|
if (ARCH_X86) |
315 |
|
1603 |
ff_idctdsp_init_x86(c, avctx, high_bit_depth); |
316 |
|
|
if (ARCH_MIPS) |
317 |
|
|
ff_idctdsp_init_mips(c, avctx, high_bit_depth); |
318 |
|
|
|
319 |
|
1603 |
ff_init_scantable_permutation(c->idct_permutation, |
320 |
|
|
c->perm_type); |
321 |
|
1603 |
} |