Directory: | ../../../ffmpeg/ |
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File: | src/libavcodec/ffv1enc.c |
Date: | 2022-07-07 01:21:54 |
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Lines: | 532 | 696 | 76.4% |
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1 | /* | ||
2 | * FFV1 encoder | ||
3 | * | ||
4 | * Copyright (c) 2003-2013 Michael Niedermayer <michaelni@gmx.at> | ||
5 | * | ||
6 | * This file is part of FFmpeg. | ||
7 | * | ||
8 | * FFmpeg is free software; you can redistribute it and/or | ||
9 | * modify it under the terms of the GNU Lesser General Public | ||
10 | * License as published by the Free Software Foundation; either | ||
11 | * version 2.1 of the License, or (at your option) any later version. | ||
12 | * | ||
13 | * FFmpeg is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
16 | * Lesser General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU Lesser General Public | ||
19 | * License along with FFmpeg; if not, write to the Free Software | ||
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
21 | */ | ||
22 | |||
23 | /** | ||
24 | * @file | ||
25 | * FF Video Codec 1 (a lossless codec) encoder | ||
26 | */ | ||
27 | |||
28 | #include "libavutil/attributes.h" | ||
29 | #include "libavutil/avassert.h" | ||
30 | #include "libavutil/crc.h" | ||
31 | #include "libavutil/opt.h" | ||
32 | #include "libavutil/imgutils.h" | ||
33 | #include "libavutil/pixdesc.h" | ||
34 | |||
35 | #include "avcodec.h" | ||
36 | #include "encode.h" | ||
37 | #include "codec_internal.h" | ||
38 | #include "put_bits.h" | ||
39 | #include "put_golomb.h" | ||
40 | #include "rangecoder.h" | ||
41 | #include "mathops.h" | ||
42 | #include "ffv1.h" | ||
43 | |||
44 | static const int8_t quant5_10bit[256] = { | ||
45 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, | ||
46 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | ||
47 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | ||
48 | 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | ||
49 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | ||
50 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | ||
51 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | ||
52 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | ||
53 | -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, | ||
54 | -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, | ||
55 | -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, | ||
56 | -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, | ||
57 | -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -1, | ||
58 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | ||
59 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, | ||
60 | -1, -1, -1, -1, -1, -1, -0, -0, -0, -0, -0, -0, -0, -0, -0, -0, | ||
61 | }; | ||
62 | |||
63 | static const int8_t quant5[256] = { | ||
64 | 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | ||
65 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | ||
66 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | ||
67 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | ||
68 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | ||
69 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | ||
70 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | ||
71 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, | ||
72 | -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, | ||
73 | -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, | ||
74 | -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, | ||
75 | -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, | ||
76 | -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, | ||
77 | -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, | ||
78 | -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, | ||
79 | -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -1, -1, -1, | ||
80 | }; | ||
81 | |||
82 | static const int8_t quant9_10bit[256] = { | ||
83 | 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, | ||
84 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, | ||
85 | 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, | ||
86 | 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, | ||
87 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | ||
88 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | ||
89 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | ||
90 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | ||
91 | -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, | ||
92 | -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, | ||
93 | -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, | ||
94 | -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, | ||
95 | -4, -4, -4, -4, -4, -4, -4, -4, -4, -3, -3, -3, -3, -3, -3, -3, | ||
96 | -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, | ||
97 | -3, -3, -3, -3, -3, -3, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, | ||
98 | -2, -2, -2, -2, -1, -1, -1, -1, -1, -1, -1, -1, -0, -0, -0, -0, | ||
99 | }; | ||
100 | |||
101 | static const int8_t quant11[256] = { | ||
102 | 0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, | ||
103 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, | ||
104 | 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, | ||
105 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, | ||
106 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, | ||
107 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, | ||
108 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, | ||
109 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, | ||
110 | -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, | ||
111 | -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, | ||
112 | -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, | ||
113 | -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, | ||
114 | -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, | ||
115 | -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -4, -4, | ||
116 | -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, | ||
117 | -4, -4, -4, -4, -4, -3, -3, -3, -3, -3, -3, -3, -2, -2, -2, -1, | ||
118 | }; | ||
119 | |||
120 | static const uint8_t ver2_state[256] = { | ||
121 | 0, 10, 10, 10, 10, 16, 16, 16, 28, 16, 16, 29, 42, 49, 20, 49, | ||
122 | 59, 25, 26, 26, 27, 31, 33, 33, 33, 34, 34, 37, 67, 38, 39, 39, | ||
123 | 40, 40, 41, 79, 43, 44, 45, 45, 48, 48, 64, 50, 51, 52, 88, 52, | ||
124 | 53, 74, 55, 57, 58, 58, 74, 60, 101, 61, 62, 84, 66, 66, 68, 69, | ||
125 | 87, 82, 71, 97, 73, 73, 82, 75, 111, 77, 94, 78, 87, 81, 83, 97, | ||
126 | 85, 83, 94, 86, 99, 89, 90, 99, 111, 92, 93, 134, 95, 98, 105, 98, | ||
127 | 105, 110, 102, 108, 102, 118, 103, 106, 106, 113, 109, 112, 114, 112, 116, 125, | ||
128 | 115, 116, 117, 117, 126, 119, 125, 121, 121, 123, 145, 124, 126, 131, 127, 129, | ||
129 | 165, 130, 132, 138, 133, 135, 145, 136, 137, 139, 146, 141, 143, 142, 144, 148, | ||
130 | 147, 155, 151, 149, 151, 150, 152, 157, 153, 154, 156, 168, 158, 162, 161, 160, | ||
131 | 172, 163, 169, 164, 166, 184, 167, 170, 177, 174, 171, 173, 182, 176, 180, 178, | ||
132 | 175, 189, 179, 181, 186, 183, 192, 185, 200, 187, 191, 188, 190, 197, 193, 196, | ||
133 | 197, 194, 195, 196, 198, 202, 199, 201, 210, 203, 207, 204, 205, 206, 208, 214, | ||
134 | 209, 211, 221, 212, 213, 215, 224, 216, 217, 218, 219, 220, 222, 228, 223, 225, | ||
135 | 226, 224, 227, 229, 240, 230, 231, 232, 233, 234, 235, 236, 238, 239, 237, 242, | ||
136 | 241, 243, 242, 244, 245, 246, 247, 248, 249, 250, 251, 252, 252, 253, 254, 255, | ||
137 | }; | ||
138 | |||
139 | 4 | static void find_best_state(uint8_t best_state[256][256], | |
140 | const uint8_t one_state[256]) | ||
141 | { | ||
142 | int i, j, k, m; | ||
143 | uint32_t l2tab[256]; | ||
144 | |||
145 |
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1024 | for (i = 1; i < 256; i++) |
146 | 1020 | l2tab[i] = -log2(i / 256.0) * ((1U << 31) / 8); | |
147 | |||
148 |
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1028 | for (i = 0; i < 256; i++) { |
149 | uint64_t best_len[256]; | ||
150 | |||
151 |
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263168 | for (j = 0; j < 256; j++) |
152 | 262144 | best_len[j] = UINT64_MAX; | |
153 | |||
154 |
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22044 | for (j = FFMAX(i - 10, 1); j < FFMIN(i + 11, 256); j++) { |
155 | 21020 | uint32_t occ[256] = { 0 }; | |
156 | 21020 | uint64_t len = 0; | |
157 | 21020 | occ[j] = UINT32_MAX; | |
158 | |||
159 |
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21020 | if (!one_state[j]) |
160 | ✗ | continue; | |
161 | |||
162 |
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5402140 | for (k = 0; k < 256; k++) { |
163 | 5381120 | uint32_t newocc[256] = { 0 }; | |
164 |
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1377566720 | for (m = 1; m < 256; m++) |
165 |
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1372185600 | if (occ[m]) { |
166 | 430575762 | len += (occ[m]*(( i *(uint64_t)l2tab[ m] | |
167 | 430575762 | + (256-i)*(uint64_t)l2tab[256-m])>>8)) >> 8; | |
168 | } | ||
169 |
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5381120 | if (len < best_len[k]) { |
170 | 1579284 | best_len[k] = len; | |
171 | 1579284 | best_state[i][k] = j; | |
172 | } | ||
173 |
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1377566720 | for (m = 1; m < 256; m++) |
174 |
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1372185600 | if (occ[m]) { |
175 | 430575762 | newocc[ one_state[ m]] += occ[m] * (uint64_t) i >> 8; | |
176 | 430575762 | newocc[256 - one_state[256 - m]] += occ[m] * (uint64_t)(256 - i) >> 8; | |
177 | } | ||
178 | 5381120 | memcpy(occ, newocc, sizeof(occ)); | |
179 | } | ||
180 | } | ||
181 | } | ||
182 | 4 | } | |
183 | |||
184 | 178165983 | static av_always_inline av_flatten void put_symbol_inline(RangeCoder *c, | |
185 | uint8_t *state, int v, | ||
186 | int is_signed, | ||
187 | uint64_t rc_stat[256][2], | ||
188 | uint64_t rc_stat2[32][2]) | ||
189 | { | ||
190 | int i; | ||
191 | |||
192 | #define put_rac(C, S, B) \ | ||
193 | do { \ | ||
194 | if (rc_stat) { \ | ||
195 | rc_stat[*(S)][B]++; \ | ||
196 | rc_stat2[(S) - state][B]++; \ | ||
197 | } \ | ||
198 | put_rac(C, S, B); \ | ||
199 | } while (0) | ||
200 | |||
201 |
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178165983 | if (v) { |
202 | 111357092 | const int a = FFABS(v); | |
203 | 111357092 | const int e = av_log2(a); | |
204 |
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111357092 | put_rac(c, state + 0, 0); |
205 |
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111357092 | if (e <= 9) { |
206 |
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207 |
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293147898 | put_rac(c, state + 1 + i, 1); // 1..10 |
208 |
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86394914 | put_rac(c, state + 1 + i, 0); |
209 | |||
210 |
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211 |
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293147898 | put_rac(c, state + 22 + i, (a >> i) & 1); // 22..31 |
212 | |||
213 |
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86394914 | if (is_signed) |
214 |
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86370789 | put_rac(c, state + 11 + e, v < 0); // 11..21 |
215 | } else { | ||
216 |
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217 |
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269770289 | put_rac(c, state + 1 + FFMIN(i, 9), 1); // 1..10 |
218 |
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24962178 | put_rac(c, state + 1 + 9, 0); |
219 | |||
220 |
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221 |
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269770289 | put_rac(c, state + 22 + FFMIN(i, 9), (a >> i) & 1); // 22..31 |
222 | |||
223 |
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24962178 | if (is_signed) |
224 |
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24962178 | put_rac(c, state + 11 + 10, v < 0); // 11..21 |
225 | } | ||
226 | } else { | ||
227 |
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66808891 | put_rac(c, state + 0, 1); |
228 | } | ||
229 | #undef put_rac | ||
230 | 178165983 | } | |
231 | |||
232 | 1033383 | static av_noinline void put_symbol(RangeCoder *c, uint8_t *state, | |
233 | int v, int is_signed) | ||
234 | { | ||
235 | 1033383 | put_symbol_inline(c, state, v, is_signed, NULL, NULL); | |
236 | 1033383 | } | |
237 | |||
238 | |||
239 | 110987686 | static inline void put_vlc_symbol(PutBitContext *pb, VlcState *const state, | |
240 | int v, int bits) | ||
241 | { | ||
242 | int i, k, code; | ||
243 | 110987686 | v = fold(v - state->bias, bits); | |
244 | |||
245 | 110987686 | i = state->count; | |
246 | 110987686 | k = 0; | |
247 |
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295603054 | while (i < state->error_sum) { // FIXME: optimize |
248 | 184615368 | k++; | |
249 | 184615368 | i += i; | |
250 | } | ||
251 | |||
252 | av_assert2(k <= 13); | ||
253 | |||
254 | 110987686 | code = v ^ ((2 * state->drift + state->count) >> 31); | |
255 | |||
256 | ff_dlog(NULL, "v:%d/%d bias:%d error:%d drift:%d count:%d k:%d\n", v, code, | ||
257 | state->bias, state->error_sum, state->drift, state->count, k); | ||
258 | 110987686 | set_sr_golomb(pb, code, k, 12, bits); | |
259 | |||
260 | 110987686 | update_vlc_state(state, v); | |
261 | 110987686 | } | |
262 | |||
263 | #define TYPE int16_t | ||
264 | #define RENAME(name) name | ||
265 | #include "ffv1enc_template.c" | ||
266 | #undef TYPE | ||
267 | #undef RENAME | ||
268 | |||
269 | #define TYPE int32_t | ||
270 | #define RENAME(name) name ## 32 | ||
271 | #include "ffv1enc_template.c" | ||
272 | |||
273 | 15060 | static int encode_plane(FFV1Context *s, uint8_t *src, int w, int h, | |
274 | int stride, int plane_index, int pixel_stride) | ||
275 | { | ||
276 | int x, y, i, ret; | ||
277 |
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15060 | const int ring_size = s->context_model ? 3 : 2; |
278 | int16_t *sample[3]; | ||
279 | 15060 | s->run_index = 0; | |
280 | |||
281 | 15060 | memset(s->sample_buffer, 0, ring_size * (w + 6) * sizeof(*s->sample_buffer)); | |
282 | |||
283 |
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1384460 | for (y = 0; y < h; y++) { |
284 |
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4467800 | for (i = 0; i < ring_size; i++) |
285 | 3098400 | sample[i] = s->sample_buffer + (w + 6) * ((h + i - y) % ring_size) + 3; | |
286 | |||
287 | 1369400 | sample[0][-1]= sample[1][0 ]; | |
288 | 1369400 | sample[1][ w]= sample[1][w-1]; | |
289 |
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1369400 | if (s->bits_per_raw_sample <= 8) { |
290 |
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115304500 | for (x = 0; x < w; x++) |
291 | 114495500 | sample[0][x] = src[x * pixel_stride + stride * y]; | |
292 |
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809000 | if((ret = encode_line(s, w, sample, plane_index, 8)) < 0) |
293 | ✗ | return ret; | |
294 | } else { | ||
295 |
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560400 | if (s->packed_at_lsb) { |
296 |
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40038800 | for (x = 0; x < w; x++) { |
297 | 39747800 | sample[0][x] = ((uint16_t*)(src + stride*y))[x]; | |
298 | } | ||
299 | } else { | ||
300 |
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46062000 | for (x = 0; x < w; x++) { |
301 | 45792600 | sample[0][x] = ((uint16_t*)(src + stride*y))[x] >> (16 - s->bits_per_raw_sample); | |
302 | } | ||
303 | } | ||
304 |
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560400 | if((ret = encode_line(s, w, sample, plane_index, s->bits_per_raw_sample)) < 0) |
305 | ✗ | return ret; | |
306 | } | ||
307 | } | ||
308 | 15060 | return 0; | |
309 | } | ||
310 | |||
311 | 430 | static void write_quant_table(RangeCoder *c, int16_t *quant_table) | |
312 | { | ||
313 | 430 | int last = 0; | |
314 | int i; | ||
315 | uint8_t state[CONTEXT_SIZE]; | ||
316 | 430 | memset(state, 128, sizeof(state)); | |
317 | |||
318 |
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55040 | for (i = 1; i < 128; i++) |
319 |
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54610 | if (quant_table[i] != quant_table[i - 1]) { |
320 | 1258 | put_symbol(c, state, i - last - 1, 0); | |
321 | 1258 | last = i; | |
322 | } | ||
323 | 430 | put_symbol(c, state, i - last - 1, 0); | |
324 | 430 | } | |
325 | |||
326 | 86 | static void write_quant_tables(RangeCoder *c, | |
327 | int16_t quant_table[MAX_CONTEXT_INPUTS][256]) | ||
328 | { | ||
329 | int i; | ||
330 |
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516 | for (i = 0; i < 5; i++) |
331 | 430 | write_quant_table(c, quant_table[i]); | |
332 | 86 | } | |
333 | |||
334 | 66 | static int contains_non_128(uint8_t (*initial_state)[CONTEXT_SIZE], | |
335 | int nb_contexts) | ||
336 | { | ||
337 |
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66 | if (!initial_state) |
338 | ✗ | return 0; | |
339 |
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241371 | for (int i = 0; i < nb_contexts; i++) |
340 |
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7963069 | for (int j = 0; j < CONTEXT_SIZE; j++) |
341 |
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7721764 | if (initial_state[i][j] != 128) |
342 | 4 | return 1; | |
343 | 62 | return 0; | |
344 | } | ||
345 | |||
346 | 181 | static void write_header(FFV1Context *f) | |
347 | { | ||
348 | uint8_t state[CONTEXT_SIZE]; | ||
349 | int i, j; | ||
350 | 181 | RangeCoder *const c = &f->slice_context[0]->c; | |
351 | |||
352 | 181 | memset(state, 128, sizeof(state)); | |
353 | |||
354 |
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181 | if (f->version < 2) { |
355 | 20 | put_symbol(c, state, f->version, 0); | |
356 | 20 | put_symbol(c, state, f->ac, 0); | |
357 |
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20 | if (f->ac == AC_RANGE_CUSTOM_TAB) { |
358 | ✗ | for (i = 1; i < 256; i++) | |
359 | ✗ | put_symbol(c, state, | |
360 | ✗ | f->state_transition[i] - c->one_state[i], 1); | |
361 | } | ||
362 | 20 | put_symbol(c, state, f->colorspace, 0); //YUV cs type | |
363 |
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20 | if (f->version > 0) |
364 | ✗ | put_symbol(c, state, f->bits_per_raw_sample, 0); | |
365 | 20 | put_rac(c, state, f->chroma_planes); | |
366 | 20 | put_symbol(c, state, f->chroma_h_shift, 0); | |
367 | 20 | put_symbol(c, state, f->chroma_v_shift, 0); | |
368 | 20 | put_rac(c, state, f->transparency); | |
369 | |||
370 | 20 | write_quant_tables(c, f->quant_table); | |
371 |
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161 | } else if (f->version < 3) { |
372 | ✗ | put_symbol(c, state, f->slice_count, 0); | |
373 | ✗ | for (i = 0; i < f->slice_count; i++) { | |
374 | ✗ | FFV1Context *fs = f->slice_context[i]; | |
375 | ✗ | put_symbol(c, state, | |
376 | ✗ | (fs->slice_x + 1) * f->num_h_slices / f->width, 0); | |
377 | ✗ | put_symbol(c, state, | |
378 | ✗ | (fs->slice_y + 1) * f->num_v_slices / f->height, 0); | |
379 | ✗ | put_symbol(c, state, | |
380 | ✗ | (fs->slice_width + 1) * f->num_h_slices / f->width - 1, | |
381 | 0); | ||
382 | ✗ | put_symbol(c, state, | |
383 | ✗ | (fs->slice_height + 1) * f->num_v_slices / f->height - 1, | |
384 | 0); | ||
385 | ✗ | for (j = 0; j < f->plane_count; j++) { | |
386 | ✗ | put_symbol(c, state, f->plane[j].quant_table_index, 0); | |
387 | ✗ | av_assert0(f->plane[j].quant_table_index == f->context_model); | |
388 | } | ||
389 | } | ||
390 | } | ||
391 | 181 | } | |
392 | |||
393 | 33 | static int write_extradata(FFV1Context *f) | |
394 | { | ||
395 | 33 | RangeCoder *const c = &f->c; | |
396 | uint8_t state[CONTEXT_SIZE]; | ||
397 | int i, j, k; | ||
398 | uint8_t state2[32][CONTEXT_SIZE]; | ||
399 | unsigned v; | ||
400 | |||
401 | 33 | memset(state2, 128, sizeof(state2)); | |
402 | 33 | memset(state, 128, sizeof(state)); | |
403 | |||
404 | 33 | f->avctx->extradata_size = 10000 + 4 + | |
405 | (11 * 11 * 5 * 5 * 5 + 11 * 11 * 11) * 32; | ||
406 | 33 | f->avctx->extradata = av_malloc(f->avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE); | |
407 |
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33 | if (!f->avctx->extradata) |
408 | ✗ | return AVERROR(ENOMEM); | |
409 | 33 | ff_init_range_encoder(c, f->avctx->extradata, f->avctx->extradata_size); | |
410 | 33 | ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8); | |
411 | |||
412 | 33 | put_symbol(c, state, f->version, 0); | |
413 |
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33 | if (f->version > 2) { |
414 |
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33 | if (f->version == 3) { |
415 | 33 | f->micro_version = 4; | |
416 | ✗ | } else if (f->version == 4) | |
417 | ✗ | f->micro_version = 2; | |
418 | 33 | put_symbol(c, state, f->micro_version, 0); | |
419 | } | ||
420 | |||
421 | 33 | put_symbol(c, state, f->ac, 0); | |
422 |
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33 | if (f->ac == AC_RANGE_CUSTOM_TAB) |
423 |
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5376 | for (i = 1; i < 256; i++) |
424 | 5355 | put_symbol(c, state, f->state_transition[i] - c->one_state[i], 1); | |
425 | |||
426 | 33 | put_symbol(c, state, f->colorspace, 0); // YUV cs type | |
427 | 33 | put_symbol(c, state, f->bits_per_raw_sample, 0); | |
428 | 33 | put_rac(c, state, f->chroma_planes); | |
429 | 33 | put_symbol(c, state, f->chroma_h_shift, 0); | |
430 | 33 | put_symbol(c, state, f->chroma_v_shift, 0); | |
431 | 33 | put_rac(c, state, f->transparency); | |
432 | 33 | put_symbol(c, state, f->num_h_slices - 1, 0); | |
433 | 33 | put_symbol(c, state, f->num_v_slices - 1, 0); | |
434 | |||
435 | 33 | put_symbol(c, state, f->quant_table_count, 0); | |
436 |
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99 | for (i = 0; i < f->quant_table_count; i++) |
437 | 66 | write_quant_tables(c, f->quant_tables[i]); | |
438 | |||
439 |
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99 | for (i = 0; i < f->quant_table_count; i++) { |
440 |
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66 | if (contains_non_128(f->initial_states[i], f->context_count[i])) { |
441 | 4 | put_rac(c, state, 1); | |
442 |
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30256 | for (j = 0; j < f->context_count[i]; j++) |
443 |
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998316 | for (k = 0; k < CONTEXT_SIZE; k++) { |
444 |
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968064 | int pred = j ? f->initial_states[i][j - 1][k] : 128; |
445 | 968064 | put_symbol(c, state2[k], | |
446 | 968064 | (int8_t)(f->initial_states[i][j][k] - pred), 1); | |
447 | } | ||
448 | } else { | ||
449 | 62 | put_rac(c, state, 0); | |
450 | } | ||
451 | } | ||
452 | |||
453 |
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33 | if (f->version > 2) { |
454 | 33 | put_symbol(c, state, f->ec, 0); | |
455 | 33 | put_symbol(c, state, f->intra = (f->avctx->gop_size < 2), 0); | |
456 | } | ||
457 | |||
458 | 33 | f->avctx->extradata_size = ff_rac_terminate(c, 0); | |
459 | 33 | v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, f->avctx->extradata, f->avctx->extradata_size); | |
460 | 33 | AV_WL32(f->avctx->extradata + f->avctx->extradata_size, v); | |
461 | 33 | f->avctx->extradata_size += 4; | |
462 | |||
463 | 33 | return 0; | |
464 | } | ||
465 | |||
466 | 4 | static int sort_stt(FFV1Context *s, uint8_t stt[256]) | |
467 | { | ||
468 | 4 | int i, i2, changed, print = 0; | |
469 | |||
470 | do { | ||
471 | 19 | changed = 0; | |
472 |
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4427 | for (i = 12; i < 244; i++) { |
473 |
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17575 | for (i2 = i + 1; i2 < 245 && i2 < i + 4; i2++) { |
474 | |||
475 | #define COST(old, new) \ | ||
476 | s->rc_stat[old][0] * -log2((256 - (new)) / 256.0) + \ | ||
477 | s->rc_stat[old][1] * -log2((new) / 256.0) | ||
478 | |||
479 | #define COST2(old, new) \ | ||
480 | COST(old, new) + COST(256 - (old), 256 - (new)) | ||
481 | |||
482 | 13167 | double size0 = COST2(i, i) + COST2(i2, i2); | |
483 | 13167 | double sizeX = COST2(i, i2) + COST2(i2, i); | |
484 |
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13167 | if (size0 - sizeX > size0*(1e-14) && i != 128 && i2 != 128) { |
485 | int j; | ||
486 | 2341 | FFSWAP(int, stt[i], stt[i2]); | |
487 | 2341 | FFSWAP(int, s->rc_stat[i][0], s->rc_stat[i2][0]); | |
488 | 2341 | FFSWAP(int, s->rc_stat[i][1], s->rc_stat[i2][1]); | |
489 |
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2341 | if (i != 256 - i2) { |
490 | 2340 | FFSWAP(int, stt[256 - i], stt[256 - i2]); | |
491 | 2340 | FFSWAP(int, s->rc_stat[256 - i][0], s->rc_stat[256 - i2][0]); | |
492 | 2340 | FFSWAP(int, s->rc_stat[256 - i][1], s->rc_stat[256 - i2][1]); | |
493 | } | ||
494 |
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599296 | for (j = 1; j < 256; j++) { |
495 |
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596955 | if (stt[j] == i) |
496 | 2335 | stt[j] = i2; | |
497 |
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594620 | else if (stt[j] == i2) |
498 | 2356 | stt[j] = i; | |
499 |
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596955 | if (i != 256 - i2) { |
500 |
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596700 | if (stt[256 - j] == 256 - i) |
501 | 2364 | stt[256 - j] = 256 - i2; | |
502 |
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594336 | else if (stt[256 - j] == 256 - i2) |
503 | 2420 | stt[256 - j] = 256 - i; | |
504 | } | ||
505 | } | ||
506 | 2341 | print = changed = 1; | |
507 | } | ||
508 | } | ||
509 | } | ||
510 |
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19 | } while (changed); |
511 | 4 | return print; | |
512 | } | ||
513 | |||
514 | 37 | static av_cold int encode_init(AVCodecContext *avctx) | |
515 | { | ||
516 | 37 | FFV1Context *s = avctx->priv_data; | |
517 | 37 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); | |
518 | int i, j, k, m, ret; | ||
519 | |||
520 |
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37 | if ((ret = ff_ffv1_common_init(avctx)) < 0) |
521 | ✗ | return ret; | |
522 | |||
523 | 37 | s->version = 0; | |
524 | |||
525 |
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37 | if ((avctx->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2)) || |
526 |
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29 | avctx->slices > 1) |
527 | 12 | s->version = FFMAX(s->version, 2); | |
528 | |||
529 | // Unspecified level & slices, we choose version 1.2+ to ensure multithreaded decodability | ||
530 |
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37 | if (avctx->slices == 0 && avctx->level < 0 && avctx->width * avctx->height > 720*576) |
531 | 1 | s->version = FFMAX(s->version, 2); | |
532 | |||
533 |
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37 | if (avctx->level <= 0 && s->version == 2) { |
534 | 13 | s->version = 3; | |
535 | } | ||
536 |
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37 | if (avctx->level >= 0 && avctx->level <= 4) { |
537 |
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20 | if (avctx->level < s->version) { |
538 | ✗ | av_log(avctx, AV_LOG_ERROR, "Version %d needed for requested features but %d requested\n", s->version, avctx->level); | |
539 | ✗ | return AVERROR(EINVAL); | |
540 | } | ||
541 | 20 | s->version = avctx->level; | |
542 | } | ||
543 | |||
544 |
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37 | if (s->ec < 0) { |
545 | 37 | s->ec = (s->version >= 3); | |
546 | } | ||
547 | |||
548 | // CRC requires version 3+ | ||
549 |
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37 | if (s->ec) |
550 | 33 | s->version = FFMAX(s->version, 3); | |
551 | |||
552 |
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37 | if ((s->version == 2 || s->version>3) && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { |
553 | ✗ | av_log(avctx, AV_LOG_ERROR, "Version 2 needed for requested features but version 2 is experimental and not enabled\n"); | |
554 | ✗ | return AVERROR_INVALIDDATA; | |
555 | } | ||
556 | |||
557 |
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37 | if (s->ac == 1) // Compatbility with common command line usage |
558 | ✗ | s->ac = AC_RANGE_CUSTOM_TAB; | |
559 |
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37 | else if (s->ac == AC_RANGE_DEFAULT_TAB_FORCE) |
560 | ✗ | s->ac = AC_RANGE_DEFAULT_TAB; | |
561 | |||
562 | 37 | s->plane_count = 3; | |
563 |
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37 | switch(avctx->pix_fmt) { |
564 | ✗ | case AV_PIX_FMT_GRAY9: | |
565 | case AV_PIX_FMT_YUV444P9: | ||
566 | case AV_PIX_FMT_YUV422P9: | ||
567 | case AV_PIX_FMT_YUV420P9: | ||
568 | case AV_PIX_FMT_YUVA444P9: | ||
569 | case AV_PIX_FMT_YUVA422P9: | ||
570 | case AV_PIX_FMT_YUVA420P9: | ||
571 | ✗ | if (!avctx->bits_per_raw_sample) | |
572 | ✗ | s->bits_per_raw_sample = 9; | |
573 | case AV_PIX_FMT_GRAY10: | ||
574 | case AV_PIX_FMT_YUV444P10: | ||
575 | case AV_PIX_FMT_YUV440P10: | ||
576 | case AV_PIX_FMT_YUV420P10: | ||
577 | case AV_PIX_FMT_YUV422P10: | ||
578 | case AV_PIX_FMT_YUVA444P10: | ||
579 | case AV_PIX_FMT_YUVA422P10: | ||
580 | case AV_PIX_FMT_YUVA420P10: | ||
581 |
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5 | if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) |
582 | 4 | s->bits_per_raw_sample = 10; | |
583 | case AV_PIX_FMT_GRAY12: | ||
584 | case AV_PIX_FMT_YUV444P12: | ||
585 | case AV_PIX_FMT_YUV440P12: | ||
586 | case AV_PIX_FMT_YUV420P12: | ||
587 | case AV_PIX_FMT_YUV422P12: | ||
588 |
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5 | if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) |
589 | ✗ | s->bits_per_raw_sample = 12; | |
590 | case AV_PIX_FMT_YUV444P14: | ||
591 | case AV_PIX_FMT_YUV420P14: | ||
592 | case AV_PIX_FMT_YUV422P14: | ||
593 |
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5 | if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) |
594 | ✗ | s->bits_per_raw_sample = 14; | |
595 | 5 | s->packed_at_lsb = 1; | |
596 | 9 | case AV_PIX_FMT_GRAY16: | |
597 | case AV_PIX_FMT_YUV444P16: | ||
598 | case AV_PIX_FMT_YUV422P16: | ||
599 | case AV_PIX_FMT_YUV420P16: | ||
600 | case AV_PIX_FMT_YUVA444P16: | ||
601 | case AV_PIX_FMT_YUVA422P16: | ||
602 | case AV_PIX_FMT_YUVA420P16: | ||
603 |
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9 | if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) { |
604 | 4 | s->bits_per_raw_sample = 16; | |
605 |
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5 | } else if (!s->bits_per_raw_sample) { |
606 | 1 | s->bits_per_raw_sample = avctx->bits_per_raw_sample; | |
607 | } | ||
608 |
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9 | if (s->bits_per_raw_sample <= 8) { |
609 | ✗ | av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample invalid\n"); | |
610 | ✗ | return AVERROR_INVALIDDATA; | |
611 | } | ||
612 | 9 | s->version = FFMAX(s->version, 1); | |
613 | 29 | case AV_PIX_FMT_GRAY8: | |
614 | case AV_PIX_FMT_YA8: | ||
615 | case AV_PIX_FMT_YUV444P: | ||
616 | case AV_PIX_FMT_YUV440P: | ||
617 | case AV_PIX_FMT_YUV422P: | ||
618 | case AV_PIX_FMT_YUV420P: | ||
619 | case AV_PIX_FMT_YUV411P: | ||
620 | case AV_PIX_FMT_YUV410P: | ||
621 | case AV_PIX_FMT_YUVA444P: | ||
622 | case AV_PIX_FMT_YUVA422P: | ||
623 | case AV_PIX_FMT_YUVA420P: | ||
624 | 29 | s->chroma_planes = desc->nb_components < 3 ? 0 : 1; | |
625 | 29 | s->colorspace = 0; | |
626 | 29 | s->transparency = !!(desc->flags & AV_PIX_FMT_FLAG_ALPHA); | |
627 |
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29 | if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) |
628 | 20 | s->bits_per_raw_sample = 8; | |
629 |
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9 | else if (!s->bits_per_raw_sample) |
630 | ✗ | s->bits_per_raw_sample = 8; | |
631 | 29 | break; | |
632 | ✗ | case AV_PIX_FMT_RGB32: | |
633 | ✗ | s->colorspace = 1; | |
634 | ✗ | s->transparency = 1; | |
635 | ✗ | s->chroma_planes = 1; | |
636 | ✗ | s->bits_per_raw_sample = 8; | |
637 | ✗ | break; | |
638 | ✗ | case AV_PIX_FMT_RGBA64: | |
639 | ✗ | s->colorspace = 1; | |
640 | ✗ | s->transparency = 1; | |
641 | ✗ | s->chroma_planes = 1; | |
642 | ✗ | s->bits_per_raw_sample = 16; | |
643 | ✗ | s->use32bit = 1; | |
644 | ✗ | s->version = FFMAX(s->version, 1); | |
645 | ✗ | break; | |
646 | 4 | case AV_PIX_FMT_RGB48: | |
647 | 4 | s->colorspace = 1; | |
648 | 4 | s->chroma_planes = 1; | |
649 | 4 | s->bits_per_raw_sample = 16; | |
650 | 4 | s->use32bit = 1; | |
651 | 4 | s->version = FFMAX(s->version, 1); | |
652 | 4 | break; | |
653 | 4 | case AV_PIX_FMT_0RGB32: | |
654 | 4 | s->colorspace = 1; | |
655 | 4 | s->chroma_planes = 1; | |
656 | 4 | s->bits_per_raw_sample = 8; | |
657 | 4 | break; | |
658 | ✗ | case AV_PIX_FMT_GBRP9: | |
659 | ✗ | if (!avctx->bits_per_raw_sample) | |
660 | ✗ | s->bits_per_raw_sample = 9; | |
661 | case AV_PIX_FMT_GBRP10: | ||
662 | case AV_PIX_FMT_GBRAP10: | ||
663 | ✗ | if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) | |
664 | ✗ | s->bits_per_raw_sample = 10; | |
665 | case AV_PIX_FMT_GBRP12: | ||
666 | case AV_PIX_FMT_GBRAP12: | ||
667 | ✗ | if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) | |
668 | ✗ | s->bits_per_raw_sample = 12; | |
669 | case AV_PIX_FMT_GBRP14: | ||
670 | ✗ | if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) | |
671 | ✗ | s->bits_per_raw_sample = 14; | |
672 | case AV_PIX_FMT_GBRP16: | ||
673 | case AV_PIX_FMT_GBRAP16: | ||
674 | ✗ | if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) | |
675 | ✗ | s->bits_per_raw_sample = 16; | |
676 | ✗ | else if (!s->bits_per_raw_sample) | |
677 | ✗ | s->bits_per_raw_sample = avctx->bits_per_raw_sample; | |
678 | ✗ | s->transparency = !!(desc->flags & AV_PIX_FMT_FLAG_ALPHA); | |
679 | ✗ | s->colorspace = 1; | |
680 | ✗ | s->chroma_planes = 1; | |
681 | ✗ | if (s->bits_per_raw_sample >= 16) { | |
682 | ✗ | s->use32bit = 1; | |
683 | } | ||
684 | ✗ | s->version = FFMAX(s->version, 1); | |
685 | ✗ | break; | |
686 | ✗ | default: | |
687 | ✗ | av_log(avctx, AV_LOG_ERROR, "format not supported\n"); | |
688 | ✗ | return AVERROR(ENOSYS); | |
689 | } | ||
690 |
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37 | av_assert0(s->bits_per_raw_sample >= 8); |
691 | |||
692 |
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37 | if (s->bits_per_raw_sample > 8) { |
693 |
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13 | if (s->ac == AC_GOLOMB_RICE) { |
694 | 13 | av_log(avctx, AV_LOG_INFO, | |
695 | "bits_per_raw_sample > 8, forcing range coder\n"); | ||
696 | 13 | s->ac = AC_RANGE_CUSTOM_TAB; | |
697 | } | ||
698 | } | ||
699 | |||
700 |
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37 | if (s->ac == AC_RANGE_CUSTOM_TAB) { |
701 |
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5376 | for (i = 1; i < 256; i++) |
702 | 5355 | s->state_transition[i] = ver2_state[i]; | |
703 | } else { | ||
704 | RangeCoder c; | ||
705 | 16 | ff_build_rac_states(&c, 0.05 * (1LL << 32), 256 - 8); | |
706 |
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4096 | for (i = 1; i < 256; i++) |
707 | 4080 | s->state_transition[i] = c.one_state[i]; | |
708 | } | ||
709 | |||
710 |
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9509 | for (i = 0; i < 256; i++) { |
711 | 9472 | s->quant_table_count = 2; | |
712 |
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9472 | if (s->bits_per_raw_sample <= 8) { |
713 | 6144 | s->quant_tables[0][0][i]= quant11[i]; | |
714 | 6144 | s->quant_tables[0][1][i]= 11*quant11[i]; | |
715 | 6144 | s->quant_tables[0][2][i]= 11*11*quant11[i]; | |
716 | 6144 | s->quant_tables[1][0][i]= quant11[i]; | |
717 | 6144 | s->quant_tables[1][1][i]= 11*quant11[i]; | |
718 | 6144 | s->quant_tables[1][2][i]= 11*11*quant5 [i]; | |
719 | 6144 | s->quant_tables[1][3][i]= 5*11*11*quant5 [i]; | |
720 | 6144 | s->quant_tables[1][4][i]= 5*5*11*11*quant5 [i]; | |
721 | } else { | ||
722 | 3328 | s->quant_tables[0][0][i]= quant9_10bit[i]; | |
723 | 3328 | s->quant_tables[0][1][i]= 11*quant9_10bit[i]; | |
724 | 3328 | s->quant_tables[0][2][i]= 11*11*quant9_10bit[i]; | |
725 | 3328 | s->quant_tables[1][0][i]= quant9_10bit[i]; | |
726 | 3328 | s->quant_tables[1][1][i]= 11*quant9_10bit[i]; | |
727 | 3328 | s->quant_tables[1][2][i]= 11*11*quant5_10bit[i]; | |
728 | 3328 | s->quant_tables[1][3][i]= 5*11*11*quant5_10bit[i]; | |
729 | 3328 | s->quant_tables[1][4][i]= 5*5*11*11*quant5_10bit[i]; | |
730 | } | ||
731 | } | ||
732 | 37 | s->context_count[0] = (11 * 11 * 11 + 1) / 2; | |
733 | 37 | s->context_count[1] = (11 * 11 * 5 * 5 * 5 + 1) / 2; | |
734 | 37 | memcpy(s->quant_table, s->quant_tables[s->context_model], | |
735 | sizeof(s->quant_table)); | ||
736 | |||
737 |
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148 | for (i = 0; i < s->plane_count; i++) { |
738 | 111 | PlaneContext *const p = &s->plane[i]; | |
739 | |||
740 | 111 | memcpy(p->quant_table, s->quant_table, sizeof(p->quant_table)); | |
741 | 111 | p->quant_table_index = s->context_model; | |
742 | 111 | p->context_count = s->context_count[p->quant_table_index]; | |
743 | } | ||
744 | |||
745 |
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37 | if ((ret = ff_ffv1_allocate_initial_states(s)) < 0) |
746 | ✗ | return ret; | |
747 | |||
748 |
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37 | if (!s->transparency) |
749 | 37 | s->plane_count = 2; | |
750 |
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37 | if (!s->chroma_planes && s->version > 3) |
751 | ✗ | s->plane_count--; | |
752 | |||
753 | 37 | ret = av_pix_fmt_get_chroma_sub_sample (avctx->pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift); | |
754 |
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37 | if (ret) |
755 | ✗ | return ret; | |
756 | |||
757 | 37 | s->picture_number = 0; | |
758 | |||
759 |
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37 | if (avctx->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2)) { |
760 |
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24 | for (i = 0; i < s->quant_table_count; i++) { |
761 | 16 | s->rc_stat2[i] = av_mallocz(s->context_count[i] * | |
762 | sizeof(*s->rc_stat2[i])); | ||
763 |
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16 | if (!s->rc_stat2[i]) |
764 | ✗ | return AVERROR(ENOMEM); | |
765 | } | ||
766 | } | ||
767 |
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37 | if (avctx->stats_in) { |
768 | 4 | char *p = avctx->stats_in; | |
769 | 4 | uint8_t (*best_state)[256] = av_malloc_array(256, 256); | |
770 | 4 | int gob_count = 0; | |
771 | char *next; | ||
772 |
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4 | if (!best_state) |
773 | ✗ | return AVERROR(ENOMEM); | |
774 | |||
775 |
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4 | av_assert0(s->version >= 2); |
776 | |||
777 | for (;;) { | ||
778 |
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1028 | for (j = 0; j < 256; j++) |
779 |
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3072 | for (i = 0; i < 2; i++) { |
780 | 2048 | s->rc_stat[j][i] = strtol(p, &next, 0); | |
781 |
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2048 | if (next == p) { |
782 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
783 | "2Pass file invalid at %d %d [%s]\n", j, i, p); | ||
784 | ✗ | av_freep(&best_state); | |
785 | ✗ | return AVERROR_INVALIDDATA; | |
786 | } | ||
787 | 2048 | p = next; | |
788 | } | ||
789 |
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12 | for (i = 0; i < s->quant_table_count; i++) |
790 |
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32924 | for (j = 0; j < s->context_count[i]; j++) { |
791 |
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1086228 | for (k = 0; k < 32; k++) |
792 |
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3159936 | for (m = 0; m < 2; m++) { |
793 | 2106624 | s->rc_stat2[i][j][k][m] = strtol(p, &next, 0); | |
794 |
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2106624 | if (next == p) { |
795 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
796 | "2Pass file invalid at %d %d %d %d [%s]\n", | ||
797 | i, j, k, m, p); | ||
798 | ✗ | av_freep(&best_state); | |
799 | ✗ | return AVERROR_INVALIDDATA; | |
800 | } | ||
801 | 2106624 | p = next; | |
802 | } | ||
803 | } | ||
804 | 4 | gob_count = strtol(p, &next, 0); | |
805 |
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4 | if (next == p || gob_count <= 0) { |
806 | ✗ | av_log(avctx, AV_LOG_ERROR, "2Pass file invalid\n"); | |
807 | ✗ | av_freep(&best_state); | |
808 | ✗ | return AVERROR_INVALIDDATA; | |
809 | } | ||
810 | 4 | p = next; | |
811 |
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8 | while (*p == '\n' || *p == ' ') |
812 | 4 | p++; | |
813 |
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4 | if (p[0] == 0) |
814 | 4 | break; | |
815 | } | ||
816 |
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4 | if (s->ac == AC_RANGE_CUSTOM_TAB) |
817 | 4 | sort_stt(s, s->state_transition); | |
818 | |||
819 | 4 | find_best_state(best_state, s->state_transition); | |
820 | |||
821 |
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12 | for (i = 0; i < s->quant_table_count; i++) { |
822 |
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|
264 | for (k = 0; k < 32; k++) { |
823 | 256 | double a=0, b=0; | |
824 | 256 | int jp = 0; | |
825 |
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1053568 | for (j = 0; j < s->context_count[i]; j++) { |
826 | 1053312 | double p = 128; | |
827 |
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1053312 | if (s->rc_stat2[i][j][k][0] + s->rc_stat2[i][j][k][1] > 200 && j || a+b > 200) { |
828 |
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|
117331 | if (a+b) |
829 | 117321 | p = 256.0 * b / (a + b); | |
830 | 117331 | s->initial_states[i][jp][k] = | |
831 | 117331 | best_state[av_clip(round(p), 1, 255)][av_clip_uint8((a + b) / gob_count)]; | |
832 |
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656973 | for(jp++; jp<j; jp++) |
833 | 539642 | s->initial_states[i][jp][k] = s->initial_states[i][jp-1][k]; | |
834 | 117331 | a=b=0; | |
835 | } | ||
836 | 1053312 | a += s->rc_stat2[i][j][k][0]; | |
837 | 1053312 | b += s->rc_stat2[i][j][k][1]; | |
838 |
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1053312 | if (a+b) { |
839 | 720364 | p = 256.0 * b / (a + b); | |
840 | } | ||
841 | 1053312 | s->initial_states[i][j][k] = | |
842 | 1053312 | best_state[av_clip(round(p), 1, 255)][av_clip_uint8((a + b) / gob_count)]; | |
843 | } | ||
844 | } | ||
845 | } | ||
846 | 4 | av_freep(&best_state); | |
847 | } | ||
848 | |||
849 |
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|
37 | if (s->version > 1) { |
850 | 33 | int plane_count = 1 + 2*s->chroma_planes + s->transparency; | |
851 | 33 | int max_h_slices = AV_CEIL_RSHIFT(avctx->width , s->chroma_h_shift); | |
852 | 33 | int max_v_slices = AV_CEIL_RSHIFT(avctx->height, s->chroma_v_shift); | |
853 |
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33 | s->num_v_slices = (avctx->width > 352 || avctx->height > 288 || !avctx->slices) ? 2 : 1; |
854 | |||
855 | 33 | s->num_v_slices = FFMIN(s->num_v_slices, max_v_slices); | |
856 | |||
857 |
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37 | for (; s->num_v_slices < 32; s->num_v_slices++) { |
858 |
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|
41 | for (s->num_h_slices = s->num_v_slices; s->num_h_slices < 2*s->num_v_slices; s->num_h_slices++) { |
859 | 37 | int maxw = (avctx->width + s->num_h_slices - 1) / s->num_h_slices; | |
860 | 37 | int maxh = (avctx->height + s->num_v_slices - 1) / s->num_v_slices; | |
861 |
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37 | if (s->num_h_slices > max_h_slices || s->num_v_slices > max_v_slices) |
862 | ✗ | continue; | |
863 |
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37 | if (maxw * maxh * (int64_t)(s->bits_per_raw_sample+1) * plane_count > 8<<24) |
864 | ✗ | continue; | |
865 |
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37 | if (avctx->slices == s->num_h_slices * s->num_v_slices && avctx->slices <= MAX_SLICES || !avctx->slices) |
866 | 33 | goto slices_ok; | |
867 | } | ||
868 | } | ||
869 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
870 | "Unsupported number %d of slices requested, please specify a " | ||
871 | "supported number with -slices (ex:4,6,9,12,16, ...)\n", | ||
872 | avctx->slices); | ||
873 | ✗ | return AVERROR(ENOSYS); | |
874 | 33 | slices_ok: | |
875 |
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|
33 | if ((ret = write_extradata(s)) < 0) |
876 | ✗ | return ret; | |
877 | } | ||
878 | |||
879 |
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|
37 | if ((ret = ff_ffv1_init_slice_contexts(s)) < 0) |
880 | ✗ | return ret; | |
881 | 37 | s->slice_count = s->max_slice_count; | |
882 |
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|
37 | if ((ret = ff_ffv1_init_slices_state(s)) < 0) |
883 | ✗ | return ret; | |
884 | |||
885 | #define STATS_OUT_SIZE 1024 * 1024 * 6 | ||
886 |
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37 | if (avctx->flags & AV_CODEC_FLAG_PASS1) { |
887 | 4 | avctx->stats_out = av_mallocz(STATS_OUT_SIZE); | |
888 |
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4 | if (!avctx->stats_out) |
889 | ✗ | return AVERROR(ENOMEM); | |
890 |
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|
12 | for (i = 0; i < s->quant_table_count; i++) |
891 |
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40 | for (j = 0; j < s->max_slice_count; j++) { |
892 | 32 | FFV1Context *sf = s->slice_context[j]; | |
893 |
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32 | av_assert0(!sf->rc_stat2[i]); |
894 | 32 | sf->rc_stat2[i] = av_mallocz(s->context_count[i] * | |
895 | sizeof(*sf->rc_stat2[i])); | ||
896 |
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32 | if (!sf->rc_stat2[i]) |
897 | ✗ | return AVERROR(ENOMEM); | |
898 | } | ||
899 | } | ||
900 | |||
901 | 37 | return 0; | |
902 | } | ||
903 | |||
904 | 6420 | static void encode_slice_header(FFV1Context *f, FFV1Context *fs) | |
905 | { | ||
906 | 6420 | RangeCoder *c = &fs->c; | |
907 | uint8_t state[CONTEXT_SIZE]; | ||
908 | int j; | ||
909 | 6420 | memset(state, 128, sizeof(state)); | |
910 | |||
911 | 6420 | put_symbol(c, state, (fs->slice_x +1)*f->num_h_slices / f->width , 0); | |
912 | 6420 | put_symbol(c, state, (fs->slice_y +1)*f->num_v_slices / f->height , 0); | |
913 | 6420 | put_symbol(c, state, (fs->slice_width +1)*f->num_h_slices / f->width -1, 0); | |
914 | 6420 | put_symbol(c, state, (fs->slice_height+1)*f->num_v_slices / f->height-1, 0); | |
915 |
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|
19260 | for (j=0; j<f->plane_count; j++) { |
916 | 12840 | put_symbol(c, state, f->plane[j].quant_table_index, 0); | |
917 |
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12840 | av_assert0(f->plane[j].quant_table_index == f->context_model); |
918 | } | ||
919 |
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6420 | if (!f->picture.f->interlaced_frame) |
920 | 6420 | put_symbol(c, state, 3, 0); | |
921 | else | ||
922 | ✗ | put_symbol(c, state, 1 + !f->picture.f->top_field_first, 0); | |
923 | 6420 | put_symbol(c, state, f->picture.f->sample_aspect_ratio.num, 0); | |
924 | 6420 | put_symbol(c, state, f->picture.f->sample_aspect_ratio.den, 0); | |
925 |
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6420 | if (f->version > 3) { |
926 | ✗ | put_rac(c, state, fs->slice_coding_mode == 1); | |
927 | ✗ | if (fs->slice_coding_mode == 1) | |
928 | ✗ | ff_ffv1_clear_slice_state(f, fs); | |
929 | ✗ | put_symbol(c, state, fs->slice_coding_mode, 0); | |
930 | ✗ | if (fs->slice_coding_mode != 1) { | |
931 | ✗ | put_symbol(c, state, fs->slice_rct_by_coef, 0); | |
932 | ✗ | put_symbol(c, state, fs->slice_rct_ry_coef, 0); | |
933 | } | ||
934 | } | ||
935 | 6420 | } | |
936 | |||
937 | ✗ | static void choose_rct_params(FFV1Context *fs, const uint8_t *src[3], const int stride[3], int w, int h) | |
938 | { | ||
939 | #define NB_Y_COEFF 15 | ||
940 | static const int rct_y_coeff[15][2] = { | ||
941 | {0, 0}, // 4G | ||
942 | {1, 1}, // R + 2G + B | ||
943 | {2, 2}, // 2R + 2B | ||
944 | {0, 2}, // 2G + 2B | ||
945 | {2, 0}, // 2R + 2G | ||
946 | {4, 0}, // 4R | ||
947 | {0, 4}, // 4B | ||
948 | |||
949 | {0, 3}, // 1G + 3B | ||
950 | {3, 0}, // 3R + 1G | ||
951 | {3, 1}, // 3R + B | ||
952 | {1, 3}, // R + 3B | ||
953 | {1, 2}, // R + G + 2B | ||
954 | {2, 1}, // 2R + G + B | ||
955 | {0, 1}, // 3G + B | ||
956 | {1, 0}, // R + 3G | ||
957 | }; | ||
958 | |||
959 | ✗ | int stat[NB_Y_COEFF] = {0}; | |
960 | int x, y, i, p, best; | ||
961 | int16_t *sample[3]; | ||
962 | ✗ | int lbd = fs->bits_per_raw_sample <= 8; | |
963 | |||
964 | ✗ | for (y = 0; y < h; y++) { | |
965 | ✗ | int lastr=0, lastg=0, lastb=0; | |
966 | ✗ | for (p = 0; p < 3; p++) | |
967 | ✗ | sample[p] = fs->sample_buffer + p*w; | |
968 | |||
969 | ✗ | for (x = 0; x < w; x++) { | |
970 | int b, g, r; | ||
971 | int ab, ag, ar; | ||
972 | ✗ | if (lbd) { | |
973 | ✗ | unsigned v = *((const uint32_t*)(src[0] + x*4 + stride[0]*y)); | |
974 | ✗ | b = v & 0xFF; | |
975 | ✗ | g = (v >> 8) & 0xFF; | |
976 | ✗ | r = (v >> 16) & 0xFF; | |
977 | } else { | ||
978 | ✗ | b = *((const uint16_t*)(src[0] + x*2 + stride[0]*y)); | |
979 | ✗ | g = *((const uint16_t*)(src[1] + x*2 + stride[1]*y)); | |
980 | ✗ | r = *((const uint16_t*)(src[2] + x*2 + stride[2]*y)); | |
981 | } | ||
982 | |||
983 | ✗ | ar = r - lastr; | |
984 | ✗ | ag = g - lastg; | |
985 | ✗ | ab = b - lastb; | |
986 | ✗ | if (x && y) { | |
987 | ✗ | int bg = ag - sample[0][x]; | |
988 | ✗ | int bb = ab - sample[1][x]; | |
989 | ✗ | int br = ar - sample[2][x]; | |
990 | |||
991 | ✗ | br -= bg; | |
992 | ✗ | bb -= bg; | |
993 | |||
994 | ✗ | for (i = 0; i<NB_Y_COEFF; i++) { | |
995 | ✗ | stat[i] += FFABS(bg + ((br*rct_y_coeff[i][0] + bb*rct_y_coeff[i][1])>>2)); | |
996 | } | ||
997 | |||
998 | } | ||
999 | ✗ | sample[0][x] = ag; | |
1000 | ✗ | sample[1][x] = ab; | |
1001 | ✗ | sample[2][x] = ar; | |
1002 | |||
1003 | ✗ | lastr = r; | |
1004 | ✗ | lastg = g; | |
1005 | ✗ | lastb = b; | |
1006 | } | ||
1007 | } | ||
1008 | |||
1009 | ✗ | best = 0; | |
1010 | ✗ | for (i=1; i<NB_Y_COEFF; i++) { | |
1011 | ✗ | if (stat[i] < stat[best]) | |
1012 | ✗ | best = i; | |
1013 | } | ||
1014 | |||
1015 | ✗ | fs->slice_rct_by_coef = rct_y_coeff[best][1]; | |
1016 | ✗ | fs->slice_rct_ry_coef = rct_y_coeff[best][0]; | |
1017 | } | ||
1018 | |||
1019 | 6620 | static int encode_slice(AVCodecContext *c, void *arg) | |
1020 | { | ||
1021 | 6620 | FFV1Context *fs = *(void **)arg; | |
1022 | 6620 | FFV1Context *f = fs->avctx->priv_data; | |
1023 | 6620 | int width = fs->slice_width; | |
1024 | 6620 | int height = fs->slice_height; | |
1025 | 6620 | int x = fs->slice_x; | |
1026 | 6620 | int y = fs->slice_y; | |
1027 | 6620 | const AVFrame *const p = f->picture.f; | |
1028 | 6620 | const int ps = av_pix_fmt_desc_get(c->pix_fmt)->comp[0].step; | |
1029 | int ret; | ||
1030 | 6620 | RangeCoder c_bak = fs->c; | |
1031 | 26480 | const uint8_t *planes[4] = {p->data[0] + ps*x + y*p->linesize[0], | |
1032 |
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6620 | p->data[1] ? p->data[1] + ps*x + y*p->linesize[1] : NULL, |
1033 |
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6620 | p->data[2] ? p->data[2] + ps*x + y*p->linesize[2] : NULL, |
1034 |
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6620 | p->data[3] ? p->data[3] + ps*x + y*p->linesize[3] : NULL}; |
1035 | |||
1036 | 6620 | fs->slice_coding_mode = 0; | |
1037 |
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6620 | if (f->version > 3) { |
1038 | ✗ | choose_rct_params(fs, planes, p->linesize, width, height); | |
1039 | } else { | ||
1040 | 6620 | fs->slice_rct_by_coef = 1; | |
1041 | 6620 | fs->slice_rct_ry_coef = 1; | |
1042 | } | ||
1043 | |||
1044 | 6620 | retry: | |
1045 |
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6620 | if (f->key_frame) |
1046 | 664 | ff_ffv1_clear_slice_state(f, fs); | |
1047 |
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6620 | if (f->version > 2) { |
1048 | 6420 | encode_slice_header(f, fs); | |
1049 | } | ||
1050 |
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6620 | if (fs->ac == AC_GOLOMB_RICE) { |
1051 |
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2600 | fs->ac_byte_count = f->version > 2 || (!x && !y) ? ff_rac_terminate(&fs->c, f->version > 2) : 0; |
1052 | 2600 | init_put_bits(&fs->pb, | |
1053 | 2600 | fs->c.bytestream_start + fs->ac_byte_count, | |
1054 | 2600 | fs->c.bytestream_end - fs->c.bytestream_start - fs->ac_byte_count); | |
1055 | } | ||
1056 | |||
1057 |
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11640 | if (f->colorspace == 0 && c->pix_fmt != AV_PIX_FMT_YA8) { |
1058 | 5020 | const int chroma_width = AV_CEIL_RSHIFT(width, f->chroma_h_shift); | |
1059 | 5020 | const int chroma_height = AV_CEIL_RSHIFT(height, f->chroma_v_shift); | |
1060 | 5020 | const int cx = x >> f->chroma_h_shift; | |
1061 | 5020 | const int cy = y >> f->chroma_v_shift; | |
1062 | |||
1063 | 5020 | ret = encode_plane(fs, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0, 1); | |
1064 | |||
1065 |
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5020 | if (f->chroma_planes) { |
1066 | 5020 | ret |= encode_plane(fs, p->data[1] + ps*cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[1], 1, 1); | |
1067 | 5020 | ret |= encode_plane(fs, p->data[2] + ps*cx+cy*p->linesize[2], chroma_width, chroma_height, p->linesize[2], 1, 1); | |
1068 | } | ||
1069 |
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5020 | if (fs->transparency) |
1070 | ✗ | ret |= encode_plane(fs, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], 2, 1); | |
1071 |
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1600 | } else if (c->pix_fmt == AV_PIX_FMT_YA8) { |
1072 | ✗ | ret = encode_plane(fs, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0, 2); | |
1073 | ✗ | ret |= encode_plane(fs, p->data[0] + 1 + ps*x + y*p->linesize[0], width, height, p->linesize[0], 1, 2); | |
1074 |
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1600 | } else if (f->use32bit) { |
1075 | 800 | ret = encode_rgb_frame32(fs, planes, width, height, p->linesize); | |
1076 | } else { | ||
1077 | 800 | ret = encode_rgb_frame(fs, planes, width, height, p->linesize); | |
1078 | } | ||
1079 | 6620 | emms_c(); | |
1080 | |||
1081 |
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6620 | if (ret < 0) { |
1082 | ✗ | av_assert0(fs->slice_coding_mode == 0); | |
1083 | ✗ | if (fs->version < 4 || !fs->ac) { | |
1084 | ✗ | av_log(c, AV_LOG_ERROR, "Buffer too small\n"); | |
1085 | ✗ | return ret; | |
1086 | } | ||
1087 | ✗ | av_log(c, AV_LOG_DEBUG, "Coding slice as PCM\n"); | |
1088 | ✗ | fs->slice_coding_mode = 1; | |
1089 | ✗ | fs->c = c_bak; | |
1090 | ✗ | goto retry; | |
1091 | } | ||
1092 | |||
1093 | 6620 | return 0; | |
1094 | } | ||
1095 | |||
1096 | 1842 | static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, | |
1097 | const AVFrame *pict, int *got_packet) | ||
1098 | { | ||
1099 | 1842 | FFV1Context *f = avctx->priv_data; | |
1100 | 1842 | RangeCoder *const c = &f->slice_context[0]->c; | |
1101 | 1842 | AVFrame *const p = f->picture.f; | |
1102 | 1842 | uint8_t keystate = 128; | |
1103 | uint8_t *buf_p; | ||
1104 | int i, ret; | ||
1105 | 1842 | int64_t maxsize = AV_INPUT_BUFFER_MIN_SIZE | |
1106 | 1842 | + avctx->width*avctx->height*37LL*4; | |
1107 | |||
1108 |
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1842 | if(!pict) { |
1109 |
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37 | if (avctx->flags & AV_CODEC_FLAG_PASS1) { |
1110 | int j, k, m; | ||
1111 | 4 | char *p = avctx->stats_out; | |
1112 | 4 | char *end = p + STATS_OUT_SIZE; | |
1113 | |||
1114 | 4 | memset(f->rc_stat, 0, sizeof(f->rc_stat)); | |
1115 |
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12 | for (i = 0; i < f->quant_table_count; i++) |
1116 | 8 | memset(f->rc_stat2[i], 0, f->context_count[i] * sizeof(*f->rc_stat2[i])); | |
1117 | |||
1118 |
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4 | av_assert0(f->slice_count == f->max_slice_count); |
1119 |
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20 | for (j = 0; j < f->slice_count; j++) { |
1120 | 16 | FFV1Context *fs = f->slice_context[j]; | |
1121 |
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4112 | for (i = 0; i < 256; i++) { |
1122 | 4096 | f->rc_stat[i][0] += fs->rc_stat[i][0]; | |
1123 | 4096 | f->rc_stat[i][1] += fs->rc_stat[i][1]; | |
1124 | } | ||
1125 |
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48 | for (i = 0; i < f->quant_table_count; i++) { |
1126 |
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131696 | for (k = 0; k < f->context_count[i]; k++) |
1127 |
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4344912 | for (m = 0; m < 32; m++) { |
1128 | 4213248 | f->rc_stat2[i][k][m][0] += fs->rc_stat2[i][k][m][0]; | |
1129 | 4213248 | f->rc_stat2[i][k][m][1] += fs->rc_stat2[i][k][m][1]; | |
1130 | } | ||
1131 | } | ||
1132 | } | ||
1133 | |||
1134 |
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|
1028 | for (j = 0; j < 256; j++) { |
1135 | 1024 | snprintf(p, end - p, "%" PRIu64 " %" PRIu64 " ", | |
1136 | f->rc_stat[j][0], f->rc_stat[j][1]); | ||
1137 | 1024 | p += strlen(p); | |
1138 | } | ||
1139 | 4 | snprintf(p, end - p, "\n"); | |
1140 | |||
1141 |
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12 | for (i = 0; i < f->quant_table_count; i++) { |
1142 |
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|
32924 | for (j = 0; j < f->context_count[i]; j++) |
1143 |
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1086228 | for (m = 0; m < 32; m++) { |
1144 | 1053312 | snprintf(p, end - p, "%" PRIu64 " %" PRIu64 " ", | |
1145 | 1053312 | f->rc_stat2[i][j][m][0], f->rc_stat2[i][j][m][1]); | |
1146 | 1053312 | p += strlen(p); | |
1147 | } | ||
1148 | } | ||
1149 | 4 | snprintf(p, end - p, "%d\n", f->gob_count); | |
1150 | } | ||
1151 | 37 | return 0; | |
1152 | } | ||
1153 | |||
1154 |
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1805 | if (f->version > 3) |
1155 | ✗ | maxsize = AV_INPUT_BUFFER_MIN_SIZE + avctx->width*avctx->height*3LL*4; | |
1156 | |||
1157 |
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1805 | if (maxsize > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE - 32) { |
1158 | ✗ | av_log(avctx, AV_LOG_WARNING, "Cannot allocate worst case packet size, the encoding could fail\n"); | |
1159 | ✗ | maxsize = INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE - 32; | |
1160 | } | ||
1161 | |||
1162 |
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1805 | if ((ret = ff_alloc_packet(avctx, pkt, maxsize)) < 0) |
1163 | ✗ | return ret; | |
1164 | |||
1165 | 1805 | ff_init_range_encoder(c, pkt->data, pkt->size); | |
1166 | 1805 | ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8); | |
1167 | |||
1168 | 1805 | av_frame_unref(p); | |
1169 |
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1805 | if ((ret = av_frame_ref(p, pict)) < 0) |
1170 | ✗ | return ret; | |
1171 | |||
1172 |
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1805 | if (avctx->gop_size == 0 || f->picture_number % avctx->gop_size == 0) { |
1173 | 181 | put_rac(c, &keystate, 1); | |
1174 | 181 | f->key_frame = 1; | |
1175 | 181 | f->gob_count++; | |
1176 | 181 | write_header(f); | |
1177 | } else { | ||
1178 | 1624 | put_rac(c, &keystate, 0); | |
1179 | 1624 | f->key_frame = 0; | |
1180 | } | ||
1181 | |||
1182 |
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1805 | if (f->ac == AC_RANGE_CUSTOM_TAB) { |
1183 | int i; | ||
1184 |
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257280 | for (i = 1; i < 256; i++) { |
1185 | 256275 | c->one_state[i] = f->state_transition[i]; | |
1186 | 256275 | c->zero_state[256 - i] = 256 - c->one_state[i]; | |
1187 | } | ||
1188 | } | ||
1189 | |||
1190 |
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8425 | for (i = 0; i < f->slice_count; i++) { |
1191 | 6620 | FFV1Context *fs = f->slice_context[i]; | |
1192 | 6620 | uint8_t *start = pkt->data + pkt->size * (int64_t)i / f->slice_count; | |
1193 | 6620 | int len = pkt->size / f->slice_count; | |
1194 |
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6620 | if (i) { |
1195 | 4815 | ff_init_range_encoder(&fs->c, start, len); | |
1196 | } else { | ||
1197 |
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1805 | av_assert0(fs->c.bytestream_end >= fs->c.bytestream_start + len); |
1198 |
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1805 | av_assert0(fs->c.bytestream < fs->c.bytestream_start + len); |
1199 | 1805 | fs->c.bytestream_end = fs->c.bytestream_start + len; | |
1200 | } | ||
1201 | } | ||
1202 | 1805 | avctx->execute(avctx, encode_slice, &f->slice_context[0], NULL, | |
1203 | f->slice_count, sizeof(void *)); | ||
1204 | |||
1205 | 1805 | buf_p = pkt->data; | |
1206 |
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8425 | for (i = 0; i < f->slice_count; i++) { |
1207 | 6620 | FFV1Context *fs = f->slice_context[i]; | |
1208 | int bytes; | ||
1209 | |||
1210 |
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6620 | if (fs->ac != AC_GOLOMB_RICE) { |
1211 | 4020 | bytes = ff_rac_terminate(&fs->c, 1); | |
1212 | } else { | ||
1213 | 2600 | flush_put_bits(&fs->pb); // FIXME: nicer padding | |
1214 | 2600 | bytes = fs->ac_byte_count + put_bytes_output(&fs->pb); | |
1215 | } | ||
1216 |
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6620 | if (i > 0 || f->version > 2) { |
1217 |
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6420 | av_assert0(bytes < pkt->size / f->slice_count); |
1218 | 6420 | memmove(buf_p, fs->c.bytestream_start, bytes); | |
1219 |
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6420 | av_assert0(bytes < (1 << 24)); |
1220 | 6420 | AV_WB24(buf_p + bytes, bytes); | |
1221 | 6420 | bytes += 3; | |
1222 | } | ||
1223 |
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6620 | if (f->ec) { |
1224 | unsigned v; | ||
1225 | 6420 | buf_p[bytes++] = 0; | |
1226 | 6420 | v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, buf_p, bytes); | |
1227 | 6420 | AV_WL32(buf_p + bytes, v); | |
1228 | 6420 | bytes += 4; | |
1229 | } | ||
1230 | 6620 | buf_p += bytes; | |
1231 | } | ||
1232 | |||
1233 |
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1805 | if (avctx->flags & AV_CODEC_FLAG_PASS1) |
1234 | 200 | avctx->stats_out[0] = '\0'; | |
1235 | |||
1236 | 1805 | f->picture_number++; | |
1237 | 1805 | pkt->size = buf_p - pkt->data; | |
1238 | 1805 | pkt->pts = | |
1239 | 1805 | pkt->dts = pict->pts; | |
1240 | 1805 | pkt->flags |= AV_PKT_FLAG_KEY * f->key_frame; | |
1241 | 1805 | *got_packet = 1; | |
1242 | |||
1243 | 1805 | return 0; | |
1244 | } | ||
1245 | |||
1246 | 37 | static av_cold int encode_close(AVCodecContext *avctx) | |
1247 | { | ||
1248 | 37 | ff_ffv1_close(avctx); | |
1249 | 37 | return 0; | |
1250 | } | ||
1251 | |||
1252 | #define OFFSET(x) offsetof(FFV1Context, x) | ||
1253 | #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM | ||
1254 | static const AVOption options[] = { | ||
1255 | { "slicecrc", "Protect slices with CRCs", OFFSET(ec), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE }, | ||
1256 | { "coder", "Coder type", OFFSET(ac), AV_OPT_TYPE_INT, | ||
1257 | { .i64 = 0 }, -2, 2, VE, "coder" }, | ||
1258 | { "rice", "Golomb rice", 0, AV_OPT_TYPE_CONST, | ||
1259 | { .i64 = AC_GOLOMB_RICE }, INT_MIN, INT_MAX, VE, "coder" }, | ||
1260 | { "range_def", "Range with default table", 0, AV_OPT_TYPE_CONST, | ||
1261 | { .i64 = AC_RANGE_DEFAULT_TAB_FORCE }, INT_MIN, INT_MAX, VE, "coder" }, | ||
1262 | { "range_tab", "Range with custom table", 0, AV_OPT_TYPE_CONST, | ||
1263 | { .i64 = AC_RANGE_CUSTOM_TAB }, INT_MIN, INT_MAX, VE, "coder" }, | ||
1264 | { "ac", "Range with custom table (the ac option exists for compatibility and is deprecated)", 0, AV_OPT_TYPE_CONST, | ||
1265 | { .i64 = 1 }, INT_MIN, INT_MAX, VE, "coder" }, | ||
1266 | { "context", "Context model", OFFSET(context_model), AV_OPT_TYPE_INT, | ||
1267 | { .i64 = 0 }, 0, 1, VE }, | ||
1268 | |||
1269 | { NULL } | ||
1270 | }; | ||
1271 | |||
1272 | static const AVClass ffv1_class = { | ||
1273 | .class_name = "ffv1 encoder", | ||
1274 | .item_name = av_default_item_name, | ||
1275 | .option = options, | ||
1276 | .version = LIBAVUTIL_VERSION_INT, | ||
1277 | }; | ||
1278 | |||
1279 | const FFCodec ff_ffv1_encoder = { | ||
1280 | .p.name = "ffv1", | ||
1281 | .p.long_name = NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"), | ||
1282 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
1283 | .p.id = AV_CODEC_ID_FFV1, | ||
1284 | .priv_data_size = sizeof(FFV1Context), | ||
1285 | .init = encode_init, | ||
1286 | FF_CODEC_ENCODE_CB(encode_frame), | ||
1287 | .close = encode_close, | ||
1288 | .p.capabilities = AV_CODEC_CAP_SLICE_THREADS | AV_CODEC_CAP_DELAY, | ||
1289 | .p.pix_fmts = (const enum AVPixelFormat[]) { | ||
1290 | AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV444P, | ||
1291 | AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV411P, | ||
1292 | AV_PIX_FMT_YUV410P, AV_PIX_FMT_0RGB32, AV_PIX_FMT_RGB32, AV_PIX_FMT_YUV420P16, | ||
1293 | AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV422P9, | ||
1294 | AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, | ||
1295 | AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, | ||
1296 | AV_PIX_FMT_YUVA444P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA420P16, | ||
1297 | AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA420P10, | ||
1298 | AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA420P9, | ||
1299 | AV_PIX_FMT_GRAY16, AV_PIX_FMT_GRAY8, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, | ||
1300 | AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, | ||
1301 | AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, | ||
1302 | AV_PIX_FMT_YA8, | ||
1303 | AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, | ||
1304 | AV_PIX_FMT_GBRP16, AV_PIX_FMT_RGB48, | ||
1305 | AV_PIX_FMT_GBRAP16, AV_PIX_FMT_RGBA64, | ||
1306 | AV_PIX_FMT_GRAY9, | ||
1307 | AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14, | ||
1308 | AV_PIX_FMT_YUV440P10, AV_PIX_FMT_YUV440P12, | ||
1309 | AV_PIX_FMT_NONE | ||
1310 | |||
1311 | }, | ||
1312 | .p.priv_class = &ffv1_class, | ||
1313 | .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP, | ||
1314 | }; | ||
1315 |