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1 | /* | ||
2 | * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> | ||
3 | * Copyright (c) 2013 Clément Bœsch <u pkh me> | ||
4 | * | ||
5 | * This file is part of FFmpeg. | ||
6 | * | ||
7 | * FFmpeg is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License as published by | ||
9 | * the Free Software Foundation; either version 2 of the License, or | ||
10 | * (at your option) any later version. | ||
11 | * | ||
12 | * FFmpeg is distributed in the hope that it will be useful, | ||
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | * GNU General Public License for more details. | ||
16 | * | ||
17 | * You should have received a copy of the GNU General Public License along | ||
18 | * with FFmpeg; if not, write to the Free Software Foundation, Inc., | ||
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | ||
20 | */ | ||
21 | |||
22 | /** | ||
23 | * @file | ||
24 | * Simple post processing filter | ||
25 | * | ||
26 | * This implementation is based on an algorithm described in | ||
27 | * "Aria Nosratinia Embedded Post-Processing for | ||
28 | * Enhancement of Compressed Images (1999)" | ||
29 | * | ||
30 | * Originally written by Michael Niedermayer for the MPlayer project, and | ||
31 | * ported by Clément Bœsch for FFmpeg. | ||
32 | */ | ||
33 | |||
34 | #include "libavutil/emms.h" | ||
35 | #include "libavutil/imgutils.h" | ||
36 | #include "libavutil/mem.h" | ||
37 | #include "libavutil/mem_internal.h" | ||
38 | #include "libavutil/opt.h" | ||
39 | #include "libavutil/pixdesc.h" | ||
40 | #include "internal.h" | ||
41 | #include "qp_table.h" | ||
42 | #include "vf_spp.h" | ||
43 | #include "video.h" | ||
44 | |||
45 | enum mode { | ||
46 | MODE_HARD, | ||
47 | MODE_SOFT, | ||
48 | NB_MODES | ||
49 | }; | ||
50 | |||
51 | ✗ | static const AVClass *child_class_iterate(void **iter) | |
52 | { | ||
53 | ✗ | const AVClass *c = *iter ? NULL : avcodec_dct_get_class(); | |
54 | ✗ | *iter = (void*)(uintptr_t)c; | |
55 | ✗ | return c; | |
56 | } | ||
57 | |||
58 | 4 | static void *child_next(void *obj, void *prev) | |
59 | { | ||
60 | 4 | SPPContext *s = obj; | |
61 |
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4 | return prev ? NULL : s->dct; |
62 | } | ||
63 | |||
64 | #define OFFSET(x) offsetof(SPPContext, x) | ||
65 | #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM | ||
66 | #define TFLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_RUNTIME_PARAM | ||
67 | static const AVOption spp_options[] = { | ||
68 | { "quality", "set quality", OFFSET(log2_count), AV_OPT_TYPE_INT, {.i64 = 3}, 0, MAX_LEVEL, TFLAGS }, | ||
69 | { "qp", "force a constant quantizer parameter", OFFSET(qp), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 63, FLAGS }, | ||
70 | { "mode", "set thresholding mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64 = MODE_HARD}, 0, NB_MODES - 1, FLAGS, .unit = "mode" }, | ||
71 | { "hard", "hard thresholding", 0, AV_OPT_TYPE_CONST, {.i64 = MODE_HARD}, INT_MIN, INT_MAX, FLAGS, .unit = "mode" }, | ||
72 | { "soft", "soft thresholding", 0, AV_OPT_TYPE_CONST, {.i64 = MODE_SOFT}, INT_MIN, INT_MAX, FLAGS, .unit = "mode" }, | ||
73 | { "use_bframe_qp", "use B-frames' QP", OFFSET(use_bframe_qp), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, FLAGS }, | ||
74 | { NULL } | ||
75 | }; | ||
76 | |||
77 | static const AVClass spp_class = { | ||
78 | .class_name = "spp", | ||
79 | .item_name = av_default_item_name, | ||
80 | .option = spp_options, | ||
81 | .version = LIBAVUTIL_VERSION_INT, | ||
82 | .category = AV_CLASS_CATEGORY_FILTER, | ||
83 | .child_class_iterate = child_class_iterate, | ||
84 | .child_next = child_next, | ||
85 | }; | ||
86 | |||
87 | // XXX: share between filters? | ||
88 | DECLARE_ALIGNED(8, static const uint8_t, ldither)[8][8] = { | ||
89 | { 0, 48, 12, 60, 3, 51, 15, 63 }, | ||
90 | { 32, 16, 44, 28, 35, 19, 47, 31 }, | ||
91 | { 8, 56, 4, 52, 11, 59, 7, 55 }, | ||
92 | { 40, 24, 36, 20, 43, 27, 39, 23 }, | ||
93 | { 2, 50, 14, 62, 1, 49, 13, 61 }, | ||
94 | { 34, 18, 46, 30, 33, 17, 45, 29 }, | ||
95 | { 10, 58, 6, 54, 9, 57, 5, 53 }, | ||
96 | { 42, 26, 38, 22, 41, 25, 37, 21 }, | ||
97 | }; | ||
98 | |||
99 | static const uint8_t offset[128][2] = { | ||
100 | {0,0}, // unused | ||
101 | {0,0}, | ||
102 | {0,0}, {4,4}, // quality = 1 | ||
103 | {0,0}, {2,2}, {6,4}, {4,6}, // quality = 2 | ||
104 | {0,0}, {5,1}, {2,2}, {7,3}, {4,4}, {1,5}, {6,6}, {3,7}, // quality = 3 | ||
105 | |||
106 | {0,0}, {4,0}, {1,1}, {5,1}, {3,2}, {7,2}, {2,3}, {6,3}, // quality = 4 | ||
107 | {0,4}, {4,4}, {1,5}, {5,5}, {3,6}, {7,6}, {2,7}, {6,7}, | ||
108 | |||
109 | {0,0}, {0,2}, {0,4}, {0,6}, {1,1}, {1,3}, {1,5}, {1,7}, // quality = 5 | ||
110 | {2,0}, {2,2}, {2,4}, {2,6}, {3,1}, {3,3}, {3,5}, {3,7}, | ||
111 | {4,0}, {4,2}, {4,4}, {4,6}, {5,1}, {5,3}, {5,5}, {5,7}, | ||
112 | {6,0}, {6,2}, {6,4}, {6,6}, {7,1}, {7,3}, {7,5}, {7,7}, | ||
113 | |||
114 | {0,0}, {4,4}, {0,4}, {4,0}, {2,2}, {6,6}, {2,6}, {6,2}, // quality = 6 | ||
115 | {0,2}, {4,6}, {0,6}, {4,2}, {2,0}, {6,4}, {2,4}, {6,0}, | ||
116 | {1,1}, {5,5}, {1,5}, {5,1}, {3,3}, {7,7}, {3,7}, {7,3}, | ||
117 | {1,3}, {5,7}, {1,7}, {5,3}, {3,1}, {7,5}, {3,5}, {7,1}, | ||
118 | {0,1}, {4,5}, {0,5}, {4,1}, {2,3}, {6,7}, {2,7}, {6,3}, | ||
119 | {0,3}, {4,7}, {0,7}, {4,3}, {2,1}, {6,5}, {2,5}, {6,1}, | ||
120 | {1,0}, {5,4}, {1,4}, {5,0}, {3,2}, {7,6}, {3,6}, {7,2}, | ||
121 | {1,2}, {5,6}, {1,6}, {5,2}, {3,0}, {7,4}, {3,4}, {7,0}, | ||
122 | }; | ||
123 | |||
124 | 101560 | static void hardthresh_c(int16_t dst[64], const int16_t src[64], | |
125 | int qp, const uint8_t *permutation) | ||
126 | { | ||
127 | int i; | ||
128 | 101560 | int bias = 0; // FIXME | |
129 | |||
130 | 101560 | unsigned threshold1 = qp * ((1<<4) - bias) - 1; | |
131 | 101560 | unsigned threshold2 = threshold1 << 1; | |
132 | |||
133 | 101560 | memset(dst, 0, 64 * sizeof(dst[0])); | |
134 | 101560 | dst[0] = (src[0] + 4) >> 3; | |
135 | |||
136 |
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6499840 | for (i = 1; i < 64; i++) { |
137 | 6398280 | int level = src[i]; | |
138 |
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6398280 | if (((unsigned)(level + threshold1)) > threshold2) { |
139 | 2694078 | const int j = permutation[i]; | |
140 | 2694078 | dst[j] = (level + 4) >> 3; | |
141 | } | ||
142 | } | ||
143 | 101560 | } | |
144 | |||
145 | ✗ | static void softthresh_c(int16_t dst[64], const int16_t src[64], | |
146 | int qp, const uint8_t *permutation) | ||
147 | { | ||
148 | int i; | ||
149 | ✗ | int bias = 0; //FIXME | |
150 | |||
151 | ✗ | unsigned threshold1 = qp * ((1<<4) - bias) - 1; | |
152 | ✗ | unsigned threshold2 = threshold1 << 1; | |
153 | |||
154 | ✗ | memset(dst, 0, 64 * sizeof(dst[0])); | |
155 | ✗ | dst[0] = (src[0] + 4) >> 3; | |
156 | |||
157 | ✗ | for (i = 1; i < 64; i++) { | |
158 | ✗ | int level = src[i]; | |
159 | ✗ | if (((unsigned)(level + threshold1)) > threshold2) { | |
160 | ✗ | const int j = permutation[i]; | |
161 | ✗ | if (level > 0) dst[j] = (level - threshold1 + 4) >> 3; | |
162 | ✗ | else dst[j] = (level + threshold1 + 4) >> 3; | |
163 | } | ||
164 | } | ||
165 | ✗ | } | |
166 | |||
167 | 360 | static void store_slice_c(uint8_t *dst, const int16_t *src, | |
168 | int dst_linesize, int src_linesize, | ||
169 | int width, int height, int log2_scale, | ||
170 | const uint8_t dither[8][8]) | ||
171 | { | ||
172 | int y, x; | ||
173 | |||
174 | #define STORE(pos) do { \ | ||
175 | temp = (src[x + y*src_linesize + pos] * (1 << log2_scale) + d[pos]) >> 6;\ | ||
176 | if (temp & 0x100) \ | ||
177 | temp = ~(temp >> 31); \ | ||
178 | dst[x + y*dst_linesize + pos] = temp; \ | ||
179 | } while (0) | ||
180 | |||
181 |
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3240 | for (y = 0; y < height; y++) { |
182 | 2880 | const uint8_t *d = dither[y]; | |
183 |
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97920 | for (x = 0; x < width; x += 8) { |
184 | int temp; | ||
185 |
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95040 | STORE(0); |
186 |
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95040 | STORE(1); |
187 |
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95040 | STORE(2); |
188 |
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95040 | STORE(3); |
189 |
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95040 | STORE(4); |
190 |
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95040 | STORE(5); |
191 |
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95040 | STORE(6); |
192 |
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95040 | STORE(7); |
193 | } | ||
194 | } | ||
195 | 360 | } | |
196 | |||
197 | ✗ | static void store_slice16_c(uint16_t *dst, const int16_t *src, | |
198 | int dst_linesize, int src_linesize, | ||
199 | int width, int height, int log2_scale, | ||
200 | const uint8_t dither[8][8], int depth) | ||
201 | { | ||
202 | int y, x; | ||
203 | ✗ | unsigned int mask = -1<<depth; | |
204 | |||
205 | #define STORE16(pos) do { \ | ||
206 | temp = (src[x + y*src_linesize + pos] * (1 << log2_scale) + (d[pos]>>1)) >> 5; \ | ||
207 | if (temp & mask ) \ | ||
208 | temp = ~(temp >> 31); \ | ||
209 | dst[x + y*dst_linesize + pos] = temp; \ | ||
210 | } while (0) | ||
211 | |||
212 | ✗ | for (y = 0; y < height; y++) { | |
213 | ✗ | const uint8_t *d = dither[y]; | |
214 | ✗ | for (x = 0; x < width; x += 8) { | |
215 | int temp; | ||
216 | ✗ | STORE16(0); | |
217 | ✗ | STORE16(1); | |
218 | ✗ | STORE16(2); | |
219 | ✗ | STORE16(3); | |
220 | ✗ | STORE16(4); | |
221 | ✗ | STORE16(5); | |
222 | ✗ | STORE16(6); | |
223 | ✗ | STORE16(7); | |
224 | } | ||
225 | } | ||
226 | ✗ | } | |
227 | |||
228 | 101560 | static inline void add_block(uint16_t *dst, int linesize, const int16_t block[64]) | |
229 | { | ||
230 | int y; | ||
231 | |||
232 |
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914040 | for (y = 0; y < 8; y++) { |
233 | 812480 | dst[0 + y*linesize] += block[0 + y*8]; | |
234 | 812480 | dst[1 + y*linesize] += block[1 + y*8]; | |
235 | 812480 | dst[2 + y*linesize] += block[2 + y*8]; | |
236 | 812480 | dst[3 + y*linesize] += block[3 + y*8]; | |
237 | 812480 | dst[4 + y*linesize] += block[4 + y*8]; | |
238 | 812480 | dst[5 + y*linesize] += block[5 + y*8]; | |
239 | 812480 | dst[6 + y*linesize] += block[6 + y*8]; | |
240 | 812480 | dst[7 + y*linesize] += block[7 + y*8]; | |
241 | } | ||
242 | 101560 | } | |
243 | |||
244 | 15 | static void filter(SPPContext *p, uint8_t *dst, uint8_t *src, | |
245 | int dst_linesize, int src_linesize, int width, int height, | ||
246 | const uint8_t *qp_table, int qp_stride, int is_luma, int depth) | ||
247 | { | ||
248 | int x, y, i; | ||
249 | 15 | const int count = 1 << p->log2_count; | |
250 |
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15 | const int linesize = is_luma ? p->temp_linesize : FFALIGN(width+16, 16); |
251 | DECLARE_ALIGNED(16, uint64_t, block_align)[32]; | ||
252 | 15 | int16_t *block = (int16_t *)block_align; | |
253 | 15 | int16_t *block2 = (int16_t *)(block_align + 16); | |
254 | 15 | uint16_t *psrc16 = (uint16_t*)p->src; | |
255 | 15 | const int sample_bytes = (depth+7) / 8; | |
256 | |||
257 |
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2895 | for (y = 0; y < height; y++) { |
258 | 2880 | int index = 8 + 8*linesize + y*linesize; | |
259 | 2880 | memcpy(p->src + index*sample_bytes, src + y*src_linesize, width*sample_bytes); | |
260 |
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2880 | if (sample_bytes == 1) { |
261 |
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25920 | for (x = 0; x < 8; x++) { |
262 | 23040 | p->src[index - x - 1] = p->src[index + x ]; | |
263 | 23040 | p->src[index + width + x ] = p->src[index + width - x - 1]; | |
264 | } | ||
265 | } else { | ||
266 | ✗ | for (x = 0; x < 8; x++) { | |
267 | ✗ | psrc16[index - x - 1] = psrc16[index + x ]; | |
268 | ✗ | psrc16[index + width + x ] = psrc16[index + width - x - 1]; | |
269 | } | ||
270 | } | ||
271 | } | ||
272 |
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135 | for (y = 0; y < 8; y++) { |
273 | 120 | memcpy(p->src + ( 7-y)*linesize * sample_bytes, p->src + ( y+8)*linesize * sample_bytes, linesize * sample_bytes); | |
274 | 120 | memcpy(p->src + (height+8+y)*linesize * sample_bytes, p->src + (height-y+7)*linesize * sample_bytes, linesize * sample_bytes); | |
275 | } | ||
276 | |||
277 |
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390 | for (y = 0; y < height + 8; y += 8) { |
278 | 375 | memset(p->temp + (8 + y) * linesize, 0, 8 * linesize * sizeof(*p->temp)); | |
279 |
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13070 | for (x = 0; x < width + 8; x += 8) { |
280 | int qp; | ||
281 | |||
282 |
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12695 | if (p->qp) { |
283 | ✗ | qp = p->qp; | |
284 | } else{ | ||
285 | 12695 | const int qps = 3 + is_luma; | |
286 |
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12695 | qp = qp_table[(FFMIN(x, width - 1) >> qps) + (FFMIN(y, height - 1) >> qps) * qp_stride]; |
287 |
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12695 | qp = FFMAX(1, ff_norm_qscale(qp, p->qscale_type)); |
288 | } | ||
289 |
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114255 | for (i = 0; i < count; i++) { |
290 | 101560 | const int x1 = x + offset[i + count][0]; | |
291 | 101560 | const int y1 = y + offset[i + count][1]; | |
292 | 101560 | const int index = x1 + y1*linesize; | |
293 | 101560 | p->dct->get_pixels_unaligned(block, p->src + sample_bytes*index, sample_bytes*linesize); | |
294 | 101560 | p->dct->fdct(block); | |
295 | 101560 | p->requantize(block2, block, qp, p->dct->idct_permutation); | |
296 | 101560 | p->dct->idct(block2); | |
297 | 101560 | add_block(p->temp + index, linesize, block2); | |
298 | } | ||
299 | } | ||
300 |
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375 | if (y) { |
301 |
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360 | if (sample_bytes == 1) { |
302 | 360 | p->store_slice(dst + (y - 8) * dst_linesize, p->temp + 8 + y*linesize, | |
303 | dst_linesize, linesize, width, | ||
304 | 360 | FFMIN(8, height + 8 - y), MAX_LEVEL - p->log2_count, | |
305 | ldither); | ||
306 | } else { | ||
307 | ✗ | store_slice16_c((uint16_t*)(dst + (y - 8) * dst_linesize), p->temp + 8 + y*linesize, | |
308 | dst_linesize/2, linesize, width, | ||
309 | ✗ | FFMIN(8, height + 8 - y), MAX_LEVEL - p->log2_count, | |
310 | ldither, depth); | ||
311 | } | ||
312 | } | ||
313 | } | ||
314 | 15 | } | |
315 | |||
316 | static const enum AVPixelFormat pix_fmts[] = { | ||
317 | AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV422P, | ||
318 | AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV411P, | ||
319 | AV_PIX_FMT_YUV410P, AV_PIX_FMT_YUV440P, | ||
320 | AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ422P, | ||
321 | AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ440P, | ||
322 | AV_PIX_FMT_YUV444P10, AV_PIX_FMT_YUV422P10, | ||
323 | AV_PIX_FMT_YUV420P10, | ||
324 | AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV422P9, | ||
325 | AV_PIX_FMT_YUV420P9, | ||
326 | AV_PIX_FMT_GRAY8, | ||
327 | AV_PIX_FMT_GBRP, | ||
328 | AV_PIX_FMT_GBRP9, | ||
329 | AV_PIX_FMT_GBRP10, | ||
330 | AV_PIX_FMT_NONE | ||
331 | }; | ||
332 | |||
333 | 1 | static int config_input(AVFilterLink *inlink) | |
334 | { | ||
335 | 1 | SPPContext *s = inlink->dst->priv; | |
336 | 1 | const int h = FFALIGN(inlink->h + 16, 16); | |
337 | 1 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); | |
338 | 1 | const int bps = desc->comp[0].depth; | |
339 | |||
340 | 1 | s->store_slice = store_slice_c; | |
341 |
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1 | switch (s->mode) { |
342 | 1 | case MODE_HARD: s->requantize = hardthresh_c; break; | |
343 | ✗ | case MODE_SOFT: s->requantize = softthresh_c; break; | |
344 | } | ||
345 | |||
346 | 1 | av_opt_set_int(s->dct, "bits_per_sample", bps, 0); | |
347 | 1 | avcodec_dct_init(s->dct); | |
348 | |||
349 | #if ARCH_X86 | ||
350 | 1 | ff_spp_init_x86(s); | |
351 | #endif | ||
352 | |||
353 | 1 | s->hsub = desc->log2_chroma_w; | |
354 | 1 | s->vsub = desc->log2_chroma_h; | |
355 | 1 | s->temp_linesize = FFALIGN(inlink->w + 16, 16); | |
356 | 1 | s->temp = av_malloc_array(s->temp_linesize, h * sizeof(*s->temp)); | |
357 | 1 | s->src = av_malloc_array(s->temp_linesize, h * sizeof(*s->src) * 2); | |
358 | |||
359 |
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1 | if (!s->temp || !s->src) |
360 | ✗ | return AVERROR(ENOMEM); | |
361 | 1 | return 0; | |
362 | } | ||
363 | |||
364 | 5 | static int filter_frame(AVFilterLink *inlink, AVFrame *in) | |
365 | { | ||
366 | 5 | AVFilterContext *ctx = inlink->dst; | |
367 | 5 | SPPContext *s = ctx->priv; | |
368 | 5 | AVFilterLink *outlink = ctx->outputs[0]; | |
369 | 5 | AVFrame *out = in; | |
370 | 5 | int qp_stride = 0; | |
371 | 5 | int8_t *qp_table = NULL; | |
372 | 5 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format); | |
373 | 5 | const int depth = desc->comp[0].depth; | |
374 | 5 | int ret = 0; | |
375 | |||
376 | /* if we are not in a constant user quantizer mode and we don't want to use | ||
377 | * the quantizers from the B-frames (B-frames often have a higher QP), we | ||
378 | * need to save the qp table from the last non B-frame; this is what the | ||
379 | * following code block does */ | ||
380 |
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5 | if (!s->qp && (s->use_bframe_qp || in->pict_type != AV_PICTURE_TYPE_B)) { |
381 | 2 | ret = ff_qp_table_extract(in, &qp_table, &qp_stride, NULL, &s->qscale_type); | |
382 |
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2 | if (ret < 0) { |
383 | ✗ | av_frame_free(&in); | |
384 | ✗ | return ret; | |
385 | } | ||
386 | |||
387 |
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2 | if (!s->use_bframe_qp && in->pict_type != AV_PICTURE_TYPE_B) { |
388 | 2 | av_freep(&s->non_b_qp_table); | |
389 | 2 | s->non_b_qp_table = qp_table; | |
390 | 2 | s->non_b_qp_stride = qp_stride; | |
391 | } | ||
392 | } | ||
393 | |||
394 |
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5 | if (s->log2_count && !ctx->is_disabled) { |
395 |
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5 | if (!s->use_bframe_qp && s->non_b_qp_table) { |
396 | 5 | qp_table = s->non_b_qp_table; | |
397 | 5 | qp_stride = s->non_b_qp_stride; | |
398 | } | ||
399 | |||
400 |
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5 | if (qp_table || s->qp) { |
401 | 5 | const int cw = AV_CEIL_RSHIFT(inlink->w, s->hsub); | |
402 | 5 | const int ch = AV_CEIL_RSHIFT(inlink->h, s->vsub); | |
403 | |||
404 | /* get a new frame if in-place is not possible or if the dimensions | ||
405 | * are not multiple of 8 */ | ||
406 |
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5 | if (!av_frame_is_writable(in) || (inlink->w & 7) || (inlink->h & 7)) { |
407 | ✗ | const int aligned_w = FFALIGN(inlink->w, 8); | |
408 | ✗ | const int aligned_h = FFALIGN(inlink->h, 8); | |
409 | |||
410 | ✗ | out = ff_get_video_buffer(outlink, aligned_w, aligned_h); | |
411 | ✗ | if (!out) { | |
412 | ✗ | av_frame_free(&in); | |
413 | ✗ | ret = AVERROR(ENOMEM); | |
414 | ✗ | goto finish; | |
415 | } | ||
416 | ✗ | av_frame_copy_props(out, in); | |
417 | ✗ | out->width = in->width; | |
418 | ✗ | out->height = in->height; | |
419 | } | ||
420 | |||
421 | 5 | filter(s, out->data[0], in->data[0], out->linesize[0], in->linesize[0], inlink->w, inlink->h, qp_table, qp_stride, 1, depth); | |
422 | |||
423 |
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5 | if (out->data[2]) { |
424 | 5 | filter(s, out->data[1], in->data[1], out->linesize[1], in->linesize[1], cw, ch, qp_table, qp_stride, 0, depth); | |
425 | 5 | filter(s, out->data[2], in->data[2], out->linesize[2], in->linesize[2], cw, ch, qp_table, qp_stride, 0, depth); | |
426 | } | ||
427 | 5 | emms_c(); | |
428 | } | ||
429 | } | ||
430 | |||
431 |
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5 | if (in != out) { |
432 | ✗ | if (in->data[3]) | |
433 | ✗ | av_image_copy_plane(out->data[3], out->linesize[3], | |
434 | ✗ | in ->data[3], in ->linesize[3], | |
435 | inlink->w, inlink->h); | ||
436 | ✗ | av_frame_free(&in); | |
437 | } | ||
438 | 5 | ret = ff_filter_frame(outlink, out); | |
439 | 5 | finish: | |
440 |
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5 | if (qp_table != s->non_b_qp_table) |
441 | ✗ | av_freep(&qp_table); | |
442 | 5 | return ret; | |
443 | } | ||
444 | |||
445 | ✗ | static int process_command(AVFilterContext *ctx, const char *cmd, const char *args, | |
446 | char *res, int res_len, int flags) | ||
447 | { | ||
448 | ✗ | SPPContext *s = ctx->priv; | |
449 | |||
450 | ✗ | if (!strcmp(cmd, "level") || !strcmp(cmd, "quality")) { | |
451 | ✗ | if (!strcmp(args, "max")) | |
452 | ✗ | s->log2_count = MAX_LEVEL; | |
453 | else | ||
454 | ✗ | s->log2_count = av_clip(strtol(args, NULL, 10), 0, MAX_LEVEL); | |
455 | ✗ | return 0; | |
456 | } | ||
457 | ✗ | return AVERROR(ENOSYS); | |
458 | } | ||
459 | |||
460 | 2 | static av_cold int preinit(AVFilterContext *ctx) | |
461 | { | ||
462 | 2 | SPPContext *s = ctx->priv; | |
463 | |||
464 | 2 | s->dct = avcodec_dct_alloc(); | |
465 |
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2 | if (!s->dct) |
466 | ✗ | return AVERROR(ENOMEM); | |
467 | |||
468 | 2 | return 0; | |
469 | } | ||
470 | |||
471 | 2 | static av_cold void uninit(AVFilterContext *ctx) | |
472 | { | ||
473 | 2 | SPPContext *s = ctx->priv; | |
474 | |||
475 | 2 | av_freep(&s->temp); | |
476 | 2 | av_freep(&s->src); | |
477 | 2 | av_freep(&s->dct); | |
478 | 2 | av_freep(&s->non_b_qp_table); | |
479 | 2 | } | |
480 | |||
481 | static const AVFilterPad spp_inputs[] = { | ||
482 | { | ||
483 | .name = "default", | ||
484 | .type = AVMEDIA_TYPE_VIDEO, | ||
485 | .config_props = config_input, | ||
486 | .filter_frame = filter_frame, | ||
487 | }, | ||
488 | }; | ||
489 | |||
490 | const AVFilter ff_vf_spp = { | ||
491 | .name = "spp", | ||
492 | .description = NULL_IF_CONFIG_SMALL("Apply a simple post processing filter."), | ||
493 | .priv_size = sizeof(SPPContext), | ||
494 | .preinit = preinit, | ||
495 | .uninit = uninit, | ||
496 | FILTER_INPUTS(spp_inputs), | ||
497 | FILTER_OUTPUTS(ff_video_default_filterpad), | ||
498 | FILTER_PIXFMTS_ARRAY(pix_fmts), | ||
499 | .process_command = process_command, | ||
500 | .priv_class = &spp_class, | ||
501 | .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL, | ||
502 | }; | ||
503 |