FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/ffv1enc.c
Date: 2025-04-25 22:50:00
Exec Total Coverage
Lines: 610 1072 56.9%
Functions: 21 28 75.0%
Branches: 440 1017 43.3%
Line Branch Exec Source
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/mem.h"
32 #include "libavutil/opt.h"
33 #include "libavutil/pixdesc.h"
34 #include "libavutil/qsort.h"
35
36 #include "avcodec.h"
37 #include "encode.h"
38 #include "codec_internal.h"
39 #include "put_bits.h"
40 #include "put_golomb.h"
41 #include "rangecoder.h"
42 #include "ffv1.h"
43 #include "ffv1enc.h"
44
45 static const int8_t quant5_10bit[256] = {
46 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
49 1, 1, 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, -2,
58 -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -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, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
61 -1, -1, -1, -1, -1, -1, -0, -0, -0, -0, -0, -0, -0, -0, -0, -0,
62 };
63
64 static const int8_t quant5[256] = {
65 0, 1, 1, 1, 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, -2, -2, -2,
80 -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -1, -1, -1,
81 };
82
83 static const int8_t quant9_10bit[256] = {
84 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2,
85 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3,
86 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
87 3, 3, 3, 3, 3, 3, 3, 3, 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, -4, -4, -4, -4, -4, -4, -4,
96 -4, -4, -4, -4, -4, -4, -4, -4, -4, -3, -3, -3, -3, -3, -3, -3,
97 -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3,
98 -3, -3, -3, -3, -3, -3, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
99 -2, -2, -2, -2, -1, -1, -1, -1, -1, -1, -1, -1, -0, -0, -0, -0,
100 };
101
102 static const int8_t quant11[256] = {
103 0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4,
104 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
105 4, 4, 4, 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, -5, -5,
116 -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -5, -4, -4,
117 -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4,
118 -4, -4, -4, -4, -4, -3, -3, -3, -3, -3, -3, -3, -2, -2, -2, -1,
119 };
120
121 static const uint8_t ver2_state[256] = {
122 0, 10, 10, 10, 10, 16, 16, 16, 28, 16, 16, 29, 42, 49, 20, 49,
123 59, 25, 26, 26, 27, 31, 33, 33, 33, 34, 34, 37, 67, 38, 39, 39,
124 40, 40, 41, 79, 43, 44, 45, 45, 48, 48, 64, 50, 51, 52, 88, 52,
125 53, 74, 55, 57, 58, 58, 74, 60, 101, 61, 62, 84, 66, 66, 68, 69,
126 87, 82, 71, 97, 73, 73, 82, 75, 111, 77, 94, 78, 87, 81, 83, 97,
127 85, 83, 94, 86, 99, 89, 90, 99, 111, 92, 93, 134, 95, 98, 105, 98,
128 105, 110, 102, 108, 102, 118, 103, 106, 106, 113, 109, 112, 114, 112, 116, 125,
129 115, 116, 117, 117, 126, 119, 125, 121, 121, 123, 145, 124, 126, 131, 127, 129,
130 165, 130, 132, 138, 133, 135, 145, 136, 137, 139, 146, 141, 143, 142, 144, 148,
131 147, 155, 151, 149, 151, 150, 152, 157, 153, 154, 156, 168, 158, 162, 161, 160,
132 172, 163, 169, 164, 166, 184, 167, 170, 177, 174, 171, 173, 182, 176, 180, 178,
133 175, 189, 179, 181, 186, 183, 192, 185, 200, 187, 191, 188, 190, 197, 193, 196,
134 197, 194, 195, 196, 198, 202, 199, 201, 210, 203, 207, 204, 205, 206, 208, 214,
135 209, 211, 221, 212, 213, 215, 224, 216, 217, 218, 219, 220, 222, 228, 223, 225,
136 226, 224, 227, 229, 240, 230, 231, 232, 233, 234, 235, 236, 238, 239, 237, 242,
137 241, 243, 242, 244, 245, 246, 247, 248, 249, 250, 251, 252, 252, 253, 254, 255,
138 };
139
140 8 static void find_best_state(uint8_t best_state[256][256],
141 const uint8_t one_state[256])
142 {
143 int i, j, k, m;
144 uint32_t l2tab[256];
145
146
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147 2040 l2tab[i] = -log2(i / 256.0) * ((1U << 31) / 8);
148
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150 uint64_t best_len[256];
151
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153 524288 best_len[j] = UINT64_MAX;
154
155
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 44088 for (j = FFMAX(i - 10, 1); j < FFMIN(i + 11, 256); j++) {
156 42040 uint32_t occ[256] = { 0 };
157 42040 uint64_t len = 0;
158 42040 occ[j] = UINT32_MAX;
159
160
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 42040 if (!one_state[j])
161 ✗ continue;
162
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 10804280 for (k = 0; k < 256; k++) {
164 10762240 uint32_t newocc[256] = { 0 };
165
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166
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 2744371200 if (occ[m]) {
167 861994804 len += (occ[m]*(( i *(uint64_t)l2tab[ m]
168 861994804 + (256-i)*(uint64_t)l2tab[256-m])>>8)) >> 8;
169 }
170
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 10762240 if (len < best_len[k]) {
171 3100046 best_len[k] = len;
172 3100046 best_state[i][k] = j;
173 }
174
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 2755133440 for (m = 1; m < 256; m++)
175
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 2744371200 if (occ[m]) {
176 861994804 newocc[ one_state[ m]] += occ[m] * (uint64_t) i >> 8;
177 861994804 newocc[256 - one_state[256 - m]] += occ[m] * (uint64_t)(256 - i) >> 8;
178 }
179 10762240 memcpy(occ, newocc, sizeof(occ));
180 }
181 }
182 }
183 8 }
184
185 239905402 static av_always_inline av_flatten void put_symbol_inline(RangeCoder *c,
186 uint8_t *state, int v,
187 int is_signed,
188 uint64_t rc_stat[256][2],
189 uint64_t rc_stat2[32][2])
190 {
191 int i;
192
193 #define put_rac(C, S, B) \
194 do { \
195 if (rc_stat) { \
196 rc_stat[*(S)][B]++; \
197 rc_stat2[(S) - state][B]++; \
198 } \
199 put_rac(C, S, B); \
200 } while (0)
201
202
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 239905402 if (v) {
203
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 150069347 const unsigned a = is_signed ? FFABS(v) : v;
204 150069347 const int e = av_log2(a);
205
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 150069347 put_rac(c, state + 0, 0);
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 150069347 if (e <= 9) {
207
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208
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 435122815 put_rac(c, state + 1 + i, 1); // 1..10
209
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 125107169 put_rac(c, state + 1 + i, 0);
210
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 435122815 put_rac(c, state + 22 + i, (a >> i) & 1); // 22..31
213
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 125107169 if (is_signed)
215
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 125073255 put_rac(c, state + 11 + e, v < 0); // 11..21
216 } else {
217
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 269770289 put_rac(c, state + 1 + FFMIN(i, 9), 1); // 1..10
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 24962178 put_rac(c, state + 1 + 9, 0);
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 269770289 put_rac(c, state + 22 + FFMIN(i, 9), (a >> i) & 1); // 22..31
223
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 24962178 if (is_signed)
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 24962178 put_rac(c, state + 11 + 10, v < 0); // 11..21
226 }
227 } else {
228
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 89836055 put_rac(c, state + 0, 1);
229 }
230 #undef put_rac
231 239905402 }
232
233 1702002 static av_noinline void put_symbol(RangeCoder *c, uint8_t *state,
234 int v, int is_signed)
235 {
236 1702002 put_symbol_inline(c, state, v, is_signed, NULL, NULL);
237 1702002 }
238
239
240 163659991 static inline void put_vlc_symbol(PutBitContext *pb, VlcState *const state,
241 int v, int bits)
242 {
243 int i, k, code;
244 163659991 v = fold(v - state->bias, bits);
245
246 163659991 i = state->count;
247 163659991 k = 0;
248
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 436192165 while (i < state->error_sum) { // FIXME: optimize
249 272532174 k++;
250 272532174 i += i;
251 }
252
253 av_assert2(k <= 16);
254
255 163659991 code = v ^ ((2 * state->drift + state->count) >> 31);
256
257 ff_dlog(NULL, "v:%d/%d bias:%d error:%d drift:%d count:%d k:%d\n", v, code,
258 state->bias, state->error_sum, state->drift, state->count, k);
259 163659991 set_sr_golomb(pb, code, k, 12, bits);
260
261 163659991 update_vlc_state(state, v);
262 163659991 }
263
264 #define TYPE int16_t
265 #define RENAME(name) name
266 #include "ffv1enc_template.c"
267 #undef TYPE
268 #undef RENAME
269
270 #define TYPE int32_t
271 #define RENAME(name) name ## 32
272 #include "ffv1enc_template.c"
273
274 23235 static int encode_plane(FFV1Context *f, FFV1SliceContext *sc,
275 const uint8_t *src, int w, int h,
276 int stride, int plane_index, int remap_index, int pixel_stride, int ac)
277 {
278 int x, y, i, ret;
279 23235 const int pass1 = !!(f->avctx->flags & AV_CODEC_FLAG_PASS1);
280
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 23235 const int ring_size = f->context_model ? 3 : 2;
281 int16_t *sample[3];
282 23235 sc->run_index = 0;
283
284 23235 memset(sc->sample_buffer, 0, ring_size * (w + 6) * sizeof(*sc->sample_buffer));
285
286
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 2237235 for (y = 0; y < h; y++) {
287
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 7540400 for (i = 0; i < ring_size; i++)
288 5326400 sample[i] = sc->sample_buffer + (w + 6) * ((h + i - y) % ring_size) + 3;
289
290 2214000 sample[0][-1]= sample[1][0 ];
291 2214000 sample[1][ w]= sample[1][w-1];
292
293
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 2214000 if (f->bits_per_raw_sample <= 8) {
294
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 169257700 for (x = 0; x < w; x++)
295 168153700 sample[0][x] = src[x * pixel_stride + stride * y];
296
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 1104000 if (sc->remap)
297 ✗ for (x = 0; x < w; x++)
298 ✗ sample[0][x] = sc->fltmap[remap_index][ sample[0][x] ];
299
300
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 1104000 if((ret = encode_line(f, sc, f->avctx, w, sample, plane_index, 8, ac, pass1)) < 0)
301 ✗ return ret;
302 } else {
303
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 1110000 if (f->packed_at_lsb) {
304
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 101659200 for (x = 0; x < w; x++) {
305 100818600 sample[0][x] = ((uint16_t*)(src + stride*y))[x * pixel_stride];
306 }
307 } else {
308
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 46062000 for (x = 0; x < w; x++) {
309 45792600 sample[0][x] = ((uint16_t*)(src + stride*y))[x * pixel_stride] >> (16 - f->bits_per_raw_sample);
310 }
311 }
312
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 1110000 if (sc->remap)
313 ✗ for (x = 0; x < w; x++)
314 ✗ sample[0][x] = sc->fltmap[remap_index][ (uint16_t)sample[0][x] ];
315
316
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 1110000 if((ret = encode_line(f, sc, f->avctx, w, sample, plane_index, f->bits_per_raw_sample, ac, pass1)) < 0)
317 ✗ return ret;
318 }
319 }
320 23235 return 0;
321 }
322
323 ✗ static void load_plane(FFV1Context *f, FFV1SliceContext *sc,
324 const uint8_t *src, int w, int h,
325 int stride, int remap_index, int pixel_stride)
326 {
327 int x, y;
328
329 ✗ memset(sc->fltmap[remap_index], 0, 65536 * sizeof(*sc->fltmap[remap_index]));
330
331 ✗ for (y = 0; y < h; y++) {
332 ✗ if (f->bits_per_raw_sample <= 8) {
333 ✗ for (x = 0; x < w; x++)
334 ✗ sc->fltmap[remap_index][ src[x * pixel_stride + stride * y] ] = 1;
335 } else {
336 ✗ if (f->packed_at_lsb) {
337 ✗ for (x = 0; x < w; x++)
338 ✗ sc->fltmap[remap_index][ ((uint16_t*)(src + stride*y))[x * pixel_stride] ] = 1;
339 } else {
340 ✗ for (x = 0; x < w; x++)
341 ✗ sc->fltmap[remap_index][ ((uint16_t*)(src + stride*y))[x * pixel_stride] >> (16 - f->bits_per_raw_sample) ] = 1;
342 }
343 }
344 }
345 ✗ }
346
347 570 static void write_quant_table(RangeCoder *c, int16_t *quant_table)
348 {
349 570 int last = 0;
350 int i;
351 uint8_t state[CONTEXT_SIZE];
352 570 memset(state, 128, sizeof(state));
353
354
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 72960 for (i = 1; i < MAX_QUANT_TABLE_SIZE/2; i++)
355
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 72390 if (quant_table[i] != quant_table[i - 1]) {
356 1652 put_symbol(c, state, i - last - 1, 0);
357 1652 last = i;
358 }
359 570 put_symbol(c, state, i - last - 1, 0);
360 570 }
361
362 114 static void write_quant_tables(RangeCoder *c,
363 int16_t quant_table[MAX_CONTEXT_INPUTS][MAX_QUANT_TABLE_SIZE])
364 {
365 int i;
366
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 684 for (i = 0; i < 5; i++)
367 570 write_quant_table(c, quant_table[i]);
368 114 }
369
370 94 static int contains_non_128(uint8_t (*initial_state)[CONTEXT_SIZE],
371 int nb_contexts)
372 {
373
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 94 if (!initial_state)
374 ✗ return 0;
375
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 277532 for (int i = 0; i < nb_contexts; i++)
376
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 9155462 for (int j = 0; j < CONTEXT_SIZE; j++)
377
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 8878024 if (initial_state[i][j] != 128)
378 8 return 1;
379 86 return 0;
380 }
381
382 249 static void write_header(FFV1Context *f)
383 {
384 uint8_t state[CONTEXT_SIZE];
385 int i, j;
386 249 RangeCoder *const c = &f->slices[0].c;
387
388 249 memset(state, 128, sizeof(state));
389
390
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 249 if (f->version < 2) {
391 20 put_symbol(c, state, f->version, 0);
392 20 put_symbol(c, state, f->ac, 0);
393
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 20 if (f->ac == AC_RANGE_CUSTOM_TAB) {
394 ✗ for (i = 1; i < 256; i++)
395 ✗ put_symbol(c, state,
396 ✗ f->state_transition[i] - c->one_state[i], 1);
397 }
398 20 put_symbol(c, state, f->colorspace, 0); //YUV cs type
399
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 20 if (f->version > 0)
400 ✗ put_symbol(c, state, f->bits_per_raw_sample, 0);
401 20 put_rac(c, state, f->chroma_planes);
402 20 put_symbol(c, state, f->chroma_h_shift, 0);
403 20 put_symbol(c, state, f->chroma_v_shift, 0);
404 20 put_rac(c, state, f->transparency);
405
406 20 write_quant_tables(c, f->quant_tables[f->context_model]);
407
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 229 } else if (f->version < 3) {
408 20 put_symbol(c, state, f->slice_count, 0);
409
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 100 for (i = 0; i < f->slice_count; i++) {
410 80 FFV1SliceContext *fs = &f->slices[i];
411 80 put_symbol(c, state,
412 80 (fs->slice_x + 1) * f->num_h_slices / f->width, 0);
413 80 put_symbol(c, state,
414 80 (fs->slice_y + 1) * f->num_v_slices / f->height, 0);
415 80 put_symbol(c, state,
416 80 (fs->slice_width + 1) * f->num_h_slices / f->width - 1,
417 0);
418 80 put_symbol(c, state,
419 80 (fs->slice_height + 1) * f->num_v_slices / f->height - 1,
420 0);
421
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 240 for (j = 0; j < f->plane_count; j++) {
422 160 put_symbol(c, state, fs->plane[j].quant_table_index, 0);
423
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 160 av_assert0(fs->plane[j].quant_table_index == f->context_model);
424 }
425 }
426 }
427 249 }
428
429 51 static void set_micro_version(FFV1Context *f)
430 {
431 51 f->combined_version = f->version << 16;
432
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 51 if (f->version > 2) {
433
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 43 if (f->version == 3) {
434 43 f->micro_version = 4;
435 ✗ } else if (f->version == 4) {
436 ✗ f->micro_version = 8;
437 } else
438 ✗ av_assert0(0);
439
440 43 f->combined_version += f->micro_version;
441 } else
442
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 8 av_assert0(f->micro_version == 0);
443 51 }
444
445 47 av_cold int ff_ffv1_write_extradata(AVCodecContext *avctx)
446 {
447 47 FFV1Context *f = avctx->priv_data;
448
449 RangeCoder c;
450 uint8_t state[CONTEXT_SIZE];
451 int i, j, k;
452 uint8_t state2[32][CONTEXT_SIZE];
453 unsigned v;
454
455 47 memset(state2, 128, sizeof(state2));
456 47 memset(state, 128, sizeof(state));
457
458 47 f->avctx->extradata_size = 10000 + 4 +
459 (11 * 11 * 5 * 5 * 5 + 11 * 11 * 11) * 32;
460 47 f->avctx->extradata = av_malloc(f->avctx->extradata_size + AV_INPUT_BUFFER_PADDING_SIZE);
461
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 47 if (!f->avctx->extradata)
462 ✗ return AVERROR(ENOMEM);
463 47 ff_init_range_encoder(&c, f->avctx->extradata, f->avctx->extradata_size);
464 47 ff_build_rac_states(&c, 0.05 * (1LL << 32), 256 - 8);
465
466 47 put_symbol(&c, state, f->version, 0);
467
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 47 if (f->version > 2)
468 43 put_symbol(&c, state, f->micro_version, 0);
469
470 47 put_symbol(&c, state, f->ac, 0);
471
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 47 if (f->ac == AC_RANGE_CUSTOM_TAB)
472
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 7424 for (i = 1; i < 256; i++)
473 7395 put_symbol(&c, state, f->state_transition[i] - c.one_state[i], 1);
474
475 47 put_symbol(&c, state, f->colorspace, 0); // YUV cs type
476 47 put_symbol(&c, state, f->bits_per_raw_sample, 0);
477 47 put_rac(&c, state, f->chroma_planes);
478 47 put_symbol(&c, state, f->chroma_h_shift, 0);
479 47 put_symbol(&c, state, f->chroma_v_shift, 0);
480 47 put_rac(&c, state, f->transparency);
481 47 put_symbol(&c, state, f->num_h_slices - 1, 0);
482 47 put_symbol(&c, state, f->num_v_slices - 1, 0);
483
484 47 put_symbol(&c, state, f->quant_table_count, 0);
485
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 141 for (i = 0; i < f->quant_table_count; i++)
486 94 write_quant_tables(&c, f->quant_tables[i]);
487
488
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 141 for (i = 0; i < f->quant_table_count; i++) {
489
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 94 if (contains_non_128(f->initial_states[i], f->context_count[i])) {
490 8 put_rac(&c, state, 1);
491
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 50512 for (j = 0; j < f->context_count[i]; j++)
492
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 1666632 for (k = 0; k < CONTEXT_SIZE; k++) {
493
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 1616128 int pred = j ? f->initial_states[i][j - 1][k] : 128;
494 1616128 put_symbol(&c, state2[k],
495 1616128 (int8_t)(f->initial_states[i][j][k] - pred), 1);
496 }
497 } else {
498 86 put_rac(&c, state, 0);
499 }
500 }
501
502
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 47 if (f->version > 2) {
503 43 put_symbol(&c, state, f->ec, 0);
504 43 put_symbol(&c, state, f->intra = (f->avctx->gop_size < 2), 0);
505 }
506
507 47 f->avctx->extradata_size = ff_rac_terminate(&c, 0);
508
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 47 v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), f->crcref, f->avctx->extradata, f->avctx->extradata_size) ^ (f->crcref ? 0x8CD88196 : 0);
509 47 AV_WL32(f->avctx->extradata + f->avctx->extradata_size, v);
510 47 f->avctx->extradata_size += 4;
511
512 47 return 0;
513 }
514
515 8 static int sort_stt(FFV1Context *s, uint8_t stt[256])
516 {
517 8 int i, i2, changed, print = 0;
518
519 do {
520 37 changed = 0;
521
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 8621 for (i = 12; i < 244; i++) {
522
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 34225 for (i2 = i + 1; i2 < 245 && i2 < i + 4; i2++) {
523
524 #define COST(old, new) \
525 s->rc_stat[old][0] * -log2((256 - (new)) / 256.0) + \
526 s->rc_stat[old][1] * -log2((new) / 256.0)
527
528 #define COST2(old, new) \
529 COST(old, new) + COST(256 - (old), 256 - (new))
530
531 25641 double size0 = COST2(i, i) + COST2(i2, i2);
532 25641 double sizeX = COST2(i, i2) + COST2(i2, i);
533
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 25641 if (size0 - sizeX > size0*(1e-14) && i != 128 && i2 != 128) {
534 int j;
535 5085 FFSWAP(int, stt[i], stt[i2]);
536 5085 FFSWAP(int, s->rc_stat[i][0], s->rc_stat[i2][0]);
537 5085 FFSWAP(int, s->rc_stat[i][1], s->rc_stat[i2][1]);
538
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 5085 if (i != 256 - i2) {
539 5084 FFSWAP(int, stt[256 - i], stt[256 - i2]);
540 5084 FFSWAP(int, s->rc_stat[256 - i][0], s->rc_stat[256 - i2][0]);
541 5084 FFSWAP(int, s->rc_stat[256 - i][1], s->rc_stat[256 - i2][1]);
542 }
543
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 1301760 for (j = 1; j < 256; j++) {
544
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 1296675 if (stt[j] == i)
545 5094 stt[j] = i2;
546
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 1291581 else if (stt[j] == i2)
547 5122 stt[j] = i;
548
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 1296675 if (i != 256 - i2) {
549
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 1296420 if (stt[256 - j] == 256 - i)
550 4906 stt[256 - j] = 256 - i2;
551
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 1291514 else if (stt[256 - j] == 256 - i2)
552 5124 stt[256 - j] = 256 - i;
553 }
554 }
555 5085 print = changed = 1;
556 }
557 }
558 }
559
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 37 } while (changed);
560 8 return print;
561 }
562
563
564 47 int ff_ffv1_encode_determine_slices(AVCodecContext *avctx)
565 {
566 47 FFV1Context *s = avctx->priv_data;
567 47 int plane_count = 1 + 2*s->chroma_planes + s->transparency;
568 47 int max_h_slices = AV_CEIL_RSHIFT(avctx->width , s->chroma_h_shift);
569 47 int max_v_slices = AV_CEIL_RSHIFT(avctx->height, s->chroma_v_shift);
570
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 47 s->num_v_slices = (avctx->width > 352 || avctx->height > 288 || !avctx->slices) ? 2 : 1;
571 47 s->num_v_slices = FFMIN(s->num_v_slices, max_v_slices);
572
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 52 for (; s->num_v_slices <= 32; s->num_v_slices++) {
573
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 63 for (s->num_h_slices = s->num_v_slices; s->num_h_slices <= 2*s->num_v_slices; s->num_h_slices++) {
574 58 int maxw = (avctx->width + s->num_h_slices - 1) / s->num_h_slices;
575 58 int maxh = (avctx->height + s->num_v_slices - 1) / s->num_v_slices;
576
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 58 if (s->num_h_slices > max_h_slices || s->num_v_slices > max_v_slices)
577 ✗ continue;
578
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 58 if (maxw * maxh * (int64_t)(s->bits_per_raw_sample+1) * plane_count > 8<<24)
579 ✗ continue;
580
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 58 if (s->version < 4)
581
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 58 if ( ff_need_new_slices(avctx->width , s->num_h_slices, s->chroma_h_shift)
582
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 58 ||ff_need_new_slices(avctx->height, s->num_v_slices, s->chroma_v_shift))
583 ✗ continue;
584
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 58 if (avctx->slices == s->num_h_slices * s->num_v_slices && avctx->slices <= MAX_SLICES)
585 4 return 0;
586
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 54 if (maxw*maxh > 360*288)
587 3 continue;
588
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 51 if (!avctx->slices)
589 43 return 0;
590 }
591 }
592 ✗ av_log(avctx, AV_LOG_ERROR,
593 "Unsupported number %d of slices requested, please specify a "
594 "supported number with -slices (ex:4,6,9,12,16, ...)\n",
595 avctx->slices);
596 ✗ return AVERROR(ENOSYS);
597 }
598
599 51 av_cold int ff_ffv1_encode_init(AVCodecContext *avctx)
600 {
601 51 FFV1Context *s = avctx->priv_data;
602 int i, j, k, m, ret;
603
604
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 51 if ((avctx->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2)) ||
605
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 35 avctx->slices > 1)
606 20 s->version = FFMAX(s->version, 2);
607
608
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 51 if ((avctx->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2)) && s->ac == AC_GOLOMB_RICE) {
609 ✗ av_log(avctx, AV_LOG_ERROR, "2 Pass mode is not possible with golomb coding\n");
610 ✗ return AVERROR(EINVAL);
611 }
612
613 // Unspecified level & slices, we choose version 1.2+ to ensure multithreaded decodability
614
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 51 if (avctx->slices == 0 && avctx->level < 0 && avctx->width * avctx->height > 720*576)
615 1 s->version = FFMAX(s->version, 2);
616
617
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 51 if (avctx->level <= 0 && s->version == 2) {
618 21 s->version = 3;
619 }
620
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 51 if (avctx->level >= 0 && avctx->level <= 4) {
621
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 29 if (avctx->level < s->version) {
622 ✗ av_log(avctx, AV_LOG_ERROR, "Version %d needed for requested features but %d requested\n", s->version, avctx->level);
623 ✗ return AVERROR(EINVAL);
624 }
625 29 s->version = avctx->level;
626
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 22 } else if (s->version < 3)
627 1 s->version = 3;
628
629
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 51 if (s->ec < 0) {
630
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 51 if (s->version >= 4) {
631 ✗ s->ec = 2;
632 ✗ s->crcref = 0x7a8c4079;
633
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 51 } else if (s->version >= 3) {
634 43 s->ec = 1;
635 } else
636 8 s->ec = 0;
637 }
638
639 // CRC requires version 3+
640
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 51 if (s->ec == 1)
641 43 s->version = FFMAX(s->version, 3);
642
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 51 if (s->ec == 2)
643 ✗ s->version = FFMAX(s->version, 4);
644
645
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 51 if ((s->version == 2 || s->version>3) && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
646 ✗ av_log(avctx, AV_LOG_ERROR, "Version 2 or 4 needed for requested features but version 2 or 4 is experimental and not enabled\n");
647 ✗ return AVERROR_INVALIDDATA;
648 }
649
650
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 51 if (s->ac == AC_RANGE_CUSTOM_TAB) {
651
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 7424 for (i = 1; i < 256; i++)
652 7395 s->state_transition[i] = ver2_state[i];
653 } else {
654 RangeCoder c;
655 22 ff_build_rac_states(&c, 0.05 * (1LL << 32), 256 - 8);
656
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 5632 for (i = 1; i < 256; i++)
657 5610 s->state_transition[i] = c.one_state[i];
658 }
659
660
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 13107 for (i = 0; i < 256; i++) {
661 13056 s->quant_table_count = 2;
662
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 13056 if ((s->qtable == -1 && s->bits_per_raw_sample <= 8) || s->qtable == 1) {
663 7680 s->quant_tables[0][0][i]= quant11[i];
664 7680 s->quant_tables[0][1][i]= 11*quant11[i];
665 7680 s->quant_tables[0][2][i]= 11*11*quant11[i];
666 7680 s->quant_tables[1][0][i]= quant11[i];
667 7680 s->quant_tables[1][1][i]= 11*quant11[i];
668 7680 s->quant_tables[1][2][i]= 11*11*quant5 [i];
669 7680 s->quant_tables[1][3][i]= 5*11*11*quant5 [i];
670 7680 s->quant_tables[1][4][i]= 5*5*11*11*quant5 [i];
671 7680 s->context_count[0] = (11 * 11 * 11 + 1) / 2;
672 7680 s->context_count[1] = (11 * 11 * 5 * 5 * 5 + 1) / 2;
673 } else {
674 5376 s->quant_tables[0][0][i]= quant9_10bit[i];
675 5376 s->quant_tables[0][1][i]= 9*quant9_10bit[i];
676 5376 s->quant_tables[0][2][i]= 9*9*quant9_10bit[i];
677 5376 s->quant_tables[1][0][i]= quant9_10bit[i];
678 5376 s->quant_tables[1][1][i]= 9*quant9_10bit[i];
679 5376 s->quant_tables[1][2][i]= 9*9*quant5_10bit[i];
680 5376 s->quant_tables[1][3][i]= 5*9*9*quant5_10bit[i];
681 5376 s->quant_tables[1][4][i]= 5*5*9*9*quant5_10bit[i];
682 5376 s->context_count[0] = (9 * 9 * 9 + 1) / 2;
683 5376 s->context_count[1] = (9 * 9 * 5 * 5 * 5 + 1) / 2;
684 }
685 }
686
687
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 51 if ((ret = ff_ffv1_allocate_initial_states(s)) < 0)
688 ✗ return ret;
689
690
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 51 if (!s->transparency)
691 51 s->plane_count = 2;
692
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 51 if (!s->chroma_planes && s->version > 3)
693 ✗ s->plane_count--;
694
695 51 s->picture_number = 0;
696
697
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 51 if (avctx->flags & (AV_CODEC_FLAG_PASS1 | AV_CODEC_FLAG_PASS2)) {
698
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 48 for (i = 0; i < s->quant_table_count; i++) {
699 32 s->rc_stat2[i] = av_mallocz(s->context_count[i] *
700 sizeof(*s->rc_stat2[i]));
701
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 32 if (!s->rc_stat2[i])
702 ✗ return AVERROR(ENOMEM);
703 }
704 }
705
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 51 if (avctx->stats_in) {
706 8 char *p = avctx->stats_in;
707 8 uint8_t (*best_state)[256] = av_malloc_array(256, 256);
708 8 int gob_count = 0;
709 char *next;
710
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 8 if (!best_state)
711 ✗ return AVERROR(ENOMEM);
712
713
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 8 av_assert0(s->version >= 2);
714
715 for (;;) {
716
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 2056 for (j = 0; j < 256; j++)
717
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 6144 for (i = 0; i < 2; i++) {
718 4096 s->rc_stat[j][i] = strtol(p, &next, 0);
719
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 4096 if (next == p) {
720 ✗ av_log(avctx, AV_LOG_ERROR,
721 "2Pass file invalid at %d %d [%s]\n", j, i, p);
722 ✗ av_freep(&best_state);
723 ✗ return AVERROR_INVALIDDATA;
724 }
725 4096 p = next;
726 }
727
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 24 for (i = 0; i < s->quant_table_count; i++)
728
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 54644 for (j = 0; j < s->context_count[i]; j++) {
729
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 1802724 for (k = 0; k < 32; k++)
730
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 5244288 for (m = 0; m < 2; m++) {
731 3496192 s->rc_stat2[i][j][k][m] = strtol(p, &next, 0);
732
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 3496192 if (next == p) {
733 ✗ av_log(avctx, AV_LOG_ERROR,
734 "2Pass file invalid at %d %d %d %d [%s]\n",
735 i, j, k, m, p);
736 ✗ av_freep(&best_state);
737 ✗ return AVERROR_INVALIDDATA;
738 }
739 3496192 p = next;
740 }
741 }
742 8 gob_count = strtol(p, &next, 0);
743
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 8 if (next == p || gob_count <= 0) {
744 ✗ av_log(avctx, AV_LOG_ERROR, "2Pass file invalid\n");
745 ✗ av_freep(&best_state);
746 ✗ return AVERROR_INVALIDDATA;
747 }
748 8 p = next;
749
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 16 while (*p == '\n' || *p == ' ')
750 8 p++;
751
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 8 if (p[0] == 0)
752 8 break;
753 }
754
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 8 if (s->ac == AC_RANGE_CUSTOM_TAB)
755 8 sort_stt(s, s->state_transition);
756
757 8 find_best_state(best_state, s->state_transition);
758
759
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 24 for (i = 0; i < s->quant_table_count; i++) {
760
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 528 for (k = 0; k < 32; k++) {
761 512 double a=0, b=0;
762 512 int jp = 0;
763
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 1748608 for (j = 0; j < s->context_count[i]; j++) {
764 1748096 double p = 128;
765
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 1748096 if (s->rc_stat2[i][j][k][0] + s->rc_stat2[i][j][k][1] > 200 && j || a+b > 200) {
766
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 291323 if (a+b)
767 291303 p = 256.0 * b / (a + b);
768 291323 s->initial_states[i][jp][k] =
769 291323 best_state[av_clip(round(p), 1, 255)][av_clip_uint8((a + b) / gob_count)];
770
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 1175036 for(jp++; jp<j; jp++)
771 883713 s->initial_states[i][jp][k] = s->initial_states[i][jp-1][k];
772 291323 a=b=0;
773 }
774 1748096 a += s->rc_stat2[i][j][k][0];
775 1748096 b += s->rc_stat2[i][j][k][1];
776
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 1748096 if (a+b) {
777 1284515 p = 256.0 * b / (a + b);
778 }
779 1748096 s->initial_states[i][j][k] =
780 1748096 best_state[av_clip(round(p), 1, 255)][av_clip_uint8((a + b) / gob_count)];
781 }
782 }
783 }
784 8 av_freep(&best_state);
785 }
786
787
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 51 if (s->version <= 1) {
788 /* Disable slices when the version doesn't support them */
789 4 s->num_h_slices = 1;
790 4 s->num_v_slices = 1;
791 }
792
793 51 set_micro_version(s);
794
795 51 return 0;
796 }
797
798 51 av_cold int ff_ffv1_encode_setup_plane_info(AVCodecContext *avctx,
799 enum AVPixelFormat pix_fmt)
800 {
801 51 FFV1Context *s = avctx->priv_data;
802 51 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
803
804 51 s->plane_count = 3;
805
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 51 switch(pix_fmt) {
806 ✗ case AV_PIX_FMT_GRAY9:
807 case AV_PIX_FMT_YUV444P9:
808 case AV_PIX_FMT_YUV422P9:
809 case AV_PIX_FMT_YUV420P9:
810 case AV_PIX_FMT_YUVA444P9:
811 case AV_PIX_FMT_YUVA422P9:
812 case AV_PIX_FMT_YUVA420P9:
813 ✗ if (!avctx->bits_per_raw_sample)
814 ✗ s->bits_per_raw_sample = 9;
815 case AV_PIX_FMT_GRAY10:
816 case AV_PIX_FMT_YUV444P10:
817 case AV_PIX_FMT_YUV440P10:
818 case AV_PIX_FMT_YUV420P10:
819 case AV_PIX_FMT_YUV422P10:
820 case AV_PIX_FMT_YUVA444P10:
821 case AV_PIX_FMT_YUVA422P10:
822 case AV_PIX_FMT_YUVA420P10:
823
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 13 if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
824 12 s->bits_per_raw_sample = 10;
825 case AV_PIX_FMT_GRAY12:
826 case AV_PIX_FMT_YUV444P12:
827 case AV_PIX_FMT_YUV440P12:
828 case AV_PIX_FMT_YUV420P12:
829 case AV_PIX_FMT_YUV422P12:
830 case AV_PIX_FMT_YUVA444P12:
831 case AV_PIX_FMT_YUVA422P12:
832
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 13 if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
833 ✗ s->bits_per_raw_sample = 12;
834 case AV_PIX_FMT_GRAY14:
835 case AV_PIX_FMT_YUV444P14:
836 case AV_PIX_FMT_YUV420P14:
837 case AV_PIX_FMT_YUV422P14:
838
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 13 if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
839 ✗ s->bits_per_raw_sample = 14;
840 13 s->packed_at_lsb = 1;
841 17 case AV_PIX_FMT_GRAY16:
842 case AV_PIX_FMT_YUV444P16:
843 case AV_PIX_FMT_YUV422P16:
844 case AV_PIX_FMT_YUV420P16:
845 case AV_PIX_FMT_YUVA444P16:
846 case AV_PIX_FMT_YUVA422P16:
847 case AV_PIX_FMT_YUVA420P16:
848 case AV_PIX_FMT_GRAYF16:
849 case AV_PIX_FMT_YAF16:
850
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 17 if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) {
851 4 s->bits_per_raw_sample = 16;
852
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 13 } else if (!s->bits_per_raw_sample) {
853 1 s->bits_per_raw_sample = avctx->bits_per_raw_sample;
854 }
855
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 17 if (s->bits_per_raw_sample <= 8) {
856 ✗ av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample invalid\n");
857 ✗ return AVERROR_INVALIDDATA;
858 }
859 17 s->version = FFMAX(s->version, 1);
860 43 case AV_PIX_FMT_GRAY8:
861 case AV_PIX_FMT_YA8:
862 case AV_PIX_FMT_YUV444P:
863 case AV_PIX_FMT_YUV440P:
864 case AV_PIX_FMT_YUV422P:
865 case AV_PIX_FMT_YUV420P:
866 case AV_PIX_FMT_YUV411P:
867 case AV_PIX_FMT_YUV410P:
868 case AV_PIX_FMT_YUVA444P:
869 case AV_PIX_FMT_YUVA422P:
870 case AV_PIX_FMT_YUVA420P:
871 43 s->chroma_planes = desc->nb_components < 3 ? 0 : 1;
872 43 s->colorspace = 0;
873 43 s->transparency = !!(desc->flags & AV_PIX_FMT_FLAG_ALPHA);
874
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 43 if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
875 26 s->bits_per_raw_sample = 8;
876
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 17 else if (!s->bits_per_raw_sample)
877 ✗ s->bits_per_raw_sample = 8;
878 43 break;
879 ✗ case AV_PIX_FMT_RGB32:
880 ✗ s->colorspace = 1;
881 ✗ s->transparency = 1;
882 ✗ s->chroma_planes = 1;
883 ✗ s->bits_per_raw_sample = 8;
884 ✗ break;
885 ✗ case AV_PIX_FMT_RGBA64:
886 ✗ s->colorspace = 1;
887 ✗ s->transparency = 1;
888 ✗ s->chroma_planes = 1;
889 ✗ s->bits_per_raw_sample = 16;
890 ✗ s->use32bit = 1;
891 ✗ s->version = FFMAX(s->version, 1);
892 ✗ break;
893 4 case AV_PIX_FMT_RGB48:
894 4 s->colorspace = 1;
895 4 s->chroma_planes = 1;
896 4 s->bits_per_raw_sample = 16;
897 4 s->use32bit = 1;
898 4 s->version = FFMAX(s->version, 1);
899 4 break;
900 4 case AV_PIX_FMT_0RGB32:
901 4 s->colorspace = 1;
902 4 s->chroma_planes = 1;
903 4 s->bits_per_raw_sample = 8;
904 4 break;
905 ✗ case AV_PIX_FMT_GBRP9:
906 ✗ if (!avctx->bits_per_raw_sample)
907 ✗ s->bits_per_raw_sample = 9;
908 case AV_PIX_FMT_GBRP10:
909 case AV_PIX_FMT_GBRAP10:
910 ✗ if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
911 ✗ s->bits_per_raw_sample = 10;
912 case AV_PIX_FMT_GBRP12:
913 case AV_PIX_FMT_GBRAP12:
914 ✗ if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
915 ✗ s->bits_per_raw_sample = 12;
916 case AV_PIX_FMT_GBRP14:
917 case AV_PIX_FMT_GBRAP14:
918 ✗ if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
919 ✗ s->bits_per_raw_sample = 14;
920 case AV_PIX_FMT_GBRP16:
921 case AV_PIX_FMT_GBRAP16:
922 case AV_PIX_FMT_GBRPF16:
923 case AV_PIX_FMT_GBRAPF16:
924 ✗ if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
925 ✗ s->bits_per_raw_sample = 16;
926 case AV_PIX_FMT_GBRPF32:
927 case AV_PIX_FMT_GBRAPF32:
928 ✗ if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample)
929 ✗ s->bits_per_raw_sample = 32;
930 ✗ else if (!s->bits_per_raw_sample)
931 ✗ s->bits_per_raw_sample = avctx->bits_per_raw_sample;
932 ✗ s->transparency = !!(desc->flags & AV_PIX_FMT_FLAG_ALPHA);
933 ✗ s->colorspace = 1;
934 ✗ s->chroma_planes = 1;
935 ✗ if (s->bits_per_raw_sample >= 16) {
936 ✗ s->use32bit = 1;
937 }
938 ✗ s->version = FFMAX(s->version, 1);
939 ✗ break;
940 ✗ default:
941 ✗ av_log(avctx, AV_LOG_ERROR, "format %s not supported\n",
942 av_get_pix_fmt_name(pix_fmt));
943 ✗ return AVERROR(ENOSYS);
944 }
945 51 s->flt = !!(desc->flags & AV_PIX_FMT_FLAG_FLOAT);
946
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 51 if (s->flt || s->remap_mode > 0)
947 ✗ s->version = FFMAX(s->version, 4);
948
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 51 av_assert0(s->bits_per_raw_sample >= 8);
949
950
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 51 if (s->remap_mode < 0)
951
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 51 s->remap_mode = s->flt ? 2 : 0;
952
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 51 if (s->remap_mode == 0 && s->bits_per_raw_sample == 32) {
953 ✗ av_log(avctx, AV_LOG_ERROR, "32bit requires remap\n");
954 ✗ return AVERROR(EINVAL);
955 }
956
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 51 if (s->remap_mode == 2 &&
957 ✗ !((s->bits_per_raw_sample == 16 || s->bits_per_raw_sample == 32 || s->bits_per_raw_sample == 64) && s->flt)) {
958 ✗ av_log(avctx, AV_LOG_ERROR, "remap 2 is for float16/32/64 only\n");
959 ✗ return AVERROR(EINVAL);
960 }
961
962 51 return av_pix_fmt_get_chroma_sub_sample(pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift);
963 }
964
965 51 static av_cold int encode_init_internal(AVCodecContext *avctx)
966 {
967 int ret;
968 51 FFV1Context *s = avctx->priv_data;
969
970
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 51 if ((ret = ff_ffv1_common_init(avctx, s)) < 0)
971 ✗ return ret;
972
973
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 51 if (s->ac == 1) // Compatbility with common command line usage
974 ✗ s->ac = AC_RANGE_CUSTOM_TAB;
975
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 51 else if (s->ac == AC_RANGE_DEFAULT_TAB_FORCE)
976 ✗ s->ac = AC_RANGE_DEFAULT_TAB;
977
978 51 ret = ff_ffv1_encode_setup_plane_info(avctx, avctx->pix_fmt);
979
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 51 if (ret < 0)
980 ✗ return ret;
981
982
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 51 if (s->bits_per_raw_sample > (s->version > 3 ? 16 : 8) && !s->remap_mode) {
983
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 21 if (s->ac == AC_GOLOMB_RICE) {
984 13 av_log(avctx, AV_LOG_INFO,
985 "high bits_per_raw_sample, forcing range coder\n");
986 13 s->ac = AC_RANGE_CUSTOM_TAB;
987 }
988 }
989
990
991 51 ret = ff_ffv1_encode_init(avctx);
992
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 51 if (ret < 0)
993 ✗ return ret;
994
995
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 51 if (s->version > 1) {
996
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 47 if ((ret = ff_ffv1_encode_determine_slices(avctx)) < 0)
997 ✗ return ret;
998
999
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 47 if ((ret = ff_ffv1_write_extradata(avctx)) < 0)
1000 ✗ return ret;
1001 }
1002
1003
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 51 if ((ret = ff_ffv1_init_slice_contexts(s)) < 0)
1004 ✗ return ret;
1005 51 s->slice_count = s->max_slice_count;
1006
1007
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 248 for (int j = 0; j < s->slice_count; j++) {
1008 197 FFV1SliceContext *sc = &s->slices[j];
1009
1010
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 591 for (int i = 0; i < s->plane_count; i++) {
1011 394 PlaneContext *const p = &s->slices[j].plane[i];
1012
1013 394 p->quant_table_index = s->context_model;
1014 394 p->context_count = s->context_count[p->quant_table_index];
1015 }
1016
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 197 av_assert0(s->remap_mode >= 0);
1017
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 197 if (s->remap_mode) {
1018 ✗ for (int p = 0; p < 1 + 2*s->chroma_planes + s->transparency ; p++) {
1019 ✗ if (s->bits_per_raw_sample == 32) {
1020 ✗ sc->unit[p] = av_malloc_array(sc->slice_width, sc->slice_height * sizeof(**sc->unit));
1021 ✗ if (!sc->unit[p])
1022 ✗ return AVERROR(ENOMEM);
1023 ✗ sc->bitmap[p] = av_malloc_array(sc->slice_width * sc->slice_height, sizeof(*sc->bitmap[p]));
1024 ✗ if (!sc->bitmap[p])
1025 ✗ return AVERROR(ENOMEM);
1026 } else {
1027 ✗ sc->fltmap[p] = av_malloc_array(65536, sizeof(*sc->fltmap[p]));
1028 ✗ if (!sc->fltmap[p])
1029 ✗ return AVERROR(ENOMEM);
1030 }
1031 }
1032 }
1033
1034 197 ff_build_rac_states(&s->slices[j].c, 0.05 * (1LL << 32), 256 - 8);
1035
1036 197 s->slices[j].remap = s->remap_mode;
1037 }
1038
1039
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 51 if ((ret = ff_ffv1_init_slices_state(s)) < 0)
1040 ✗ return ret;
1041
1042 #define STATS_OUT_SIZE 1024 * 1024 * 6
1043
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 51 if (avctx->flags & AV_CODEC_FLAG_PASS1) {
1044 8 avctx->stats_out = av_mallocz(STATS_OUT_SIZE);
1045
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 8 if (!avctx->stats_out)
1046 ✗ return AVERROR(ENOMEM);
1047
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 24 for (int i = 0; i < s->quant_table_count; i++)
1048
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 80 for (int j = 0; j < s->max_slice_count; j++) {
1049 64 FFV1SliceContext *sc = &s->slices[j];
1050
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 64 av_assert0(!sc->rc_stat2[i]);
1051 64 sc->rc_stat2[i] = av_mallocz(s->context_count[i] *
1052 sizeof(*sc->rc_stat2[i]));
1053
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 64 if (!sc->rc_stat2[i])
1054 ✗ return AVERROR(ENOMEM);
1055 }
1056 }
1057
1058 51 return 0;
1059 }
1060
1061 8345 static void encode_slice_header(FFV1Context *f, FFV1SliceContext *sc)
1062 {
1063 8345 RangeCoder *c = &sc->c;
1064 uint8_t state[CONTEXT_SIZE];
1065 int j;
1066 8345 memset(state, 128, sizeof(state));
1067
1068 8345 put_symbol(c, state, sc->sx, 0);
1069 8345 put_symbol(c, state, sc->sy, 0);
1070 8345 put_symbol(c, state, 0, 0);
1071 8345 put_symbol(c, state, 0, 0);
1072
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 25035 for (j=0; j<f->plane_count; j++) {
1073 16690 put_symbol(c, state, sc->plane[j].quant_table_index, 0);
1074
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 16690 av_assert0(sc->plane[j].quant_table_index == f->context_model);
1075 }
1076
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 8345 if (!(f->cur_enc_frame->flags & AV_FRAME_FLAG_INTERLACED))
1077 8345 put_symbol(c, state, 3, 0);
1078 else
1079 ✗ put_symbol(c, state, 1 + !(f->cur_enc_frame->flags & AV_FRAME_FLAG_TOP_FIELD_FIRST), 0);
1080 8345 put_symbol(c, state, f->cur_enc_frame->sample_aspect_ratio.num, 0);
1081 8345 put_symbol(c, state, f->cur_enc_frame->sample_aspect_ratio.den, 0);
1082
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 8345 if (f->version > 3) {
1083 ✗ put_rac(c, state, sc->slice_coding_mode == 1);
1084 ✗ if (sc->slice_coding_mode == 1)
1085 ✗ ff_ffv1_clear_slice_state(f, sc);
1086 ✗ put_symbol(c, state, sc->slice_coding_mode, 0);
1087 ✗ if (sc->slice_coding_mode != 1 && f->colorspace == 1) {
1088 ✗ put_symbol(c, state, sc->slice_rct_by_coef, 0);
1089 ✗ put_symbol(c, state, sc->slice_rct_ry_coef, 0);
1090 }
1091 ✗ put_symbol(c, state, sc->remap, 0);
1092 }
1093 8345 }
1094
1095 ✗ static void choose_rct_params(const FFV1Context *f, FFV1SliceContext *sc,
1096 const uint8_t *src[3], const int stride[3], int w, int h)
1097 {
1098 #define NB_Y_COEFF 15
1099 static const int rct_y_coeff[15][2] = {
1100 {0, 0}, // 4G
1101 {1, 1}, // R + 2G + B
1102 {2, 2}, // 2R + 2B
1103 {0, 2}, // 2G + 2B
1104 {2, 0}, // 2R + 2G
1105 {4, 0}, // 4R
1106 {0, 4}, // 4B
1107
1108 {0, 3}, // 1G + 3B
1109 {3, 0}, // 3R + 1G
1110 {3, 1}, // 3R + B
1111 {1, 3}, // R + 3B
1112 {1, 2}, // R + G + 2B
1113 {2, 1}, // 2R + G + B
1114 {0, 1}, // 3G + B
1115 {1, 0}, // R + 3G
1116 };
1117
1118 ✗ int stat[NB_Y_COEFF] = {0};
1119 int x, y, i, p, best;
1120 int16_t *sample[3];
1121 ✗ int lbd = f->bits_per_raw_sample <= 8;
1122 ✗ int packed = !src[1];
1123 ✗ int transparency = f->transparency;
1124 ✗ int packed_size = (3 + transparency)*2;
1125
1126 ✗ for (y = 0; y < h; y++) {
1127 ✗ int lastr=0, lastg=0, lastb=0;
1128 ✗ for (p = 0; p < 3; p++)
1129 ✗ sample[p] = sc->sample_buffer + p*w;
1130
1131 ✗ for (x = 0; x < w; x++) {
1132 int b, g, r;
1133 int ab, ag, ar;
1134 ✗ if (lbd) {
1135 ✗ unsigned v = *((const uint32_t*)(src[0] + x*4 + stride[0]*y));
1136 ✗ b = v & 0xFF;
1137 ✗ g = (v >> 8) & 0xFF;
1138 ✗ r = (v >> 16) & 0xFF;
1139 ✗ } else if (packed) {
1140 ✗ const uint16_t *p = ((const uint16_t*)(src[0] + x*packed_size + stride[0]*y));
1141 ✗ r = p[0];
1142 ✗ g = p[1];
1143 ✗ b = p[2];
1144 ✗ } else if (f->use32bit || transparency) {
1145 ✗ g = *((const uint16_t *)(src[0] + x*2 + stride[0]*y));
1146 ✗ b = *((const uint16_t *)(src[1] + x*2 + stride[1]*y));
1147 ✗ r = *((const uint16_t *)(src[2] + x*2 + stride[2]*y));
1148 } else {
1149 ✗ b = *((const uint16_t*)(src[0] + x*2 + stride[0]*y));
1150 ✗ g = *((const uint16_t*)(src[1] + x*2 + stride[1]*y));
1151 ✗ r = *((const uint16_t*)(src[2] + x*2 + stride[2]*y));
1152 }
1153
1154 ✗ ar = r - lastr;
1155 ✗ ag = g - lastg;
1156 ✗ ab = b - lastb;
1157 ✗ if (x && y) {
1158 ✗ int bg = ag - sample[0][x];
1159 ✗ int bb = ab - sample[1][x];
1160 ✗ int br = ar - sample[2][x];
1161
1162 ✗ br -= bg;
1163 ✗ bb -= bg;
1164
1165 ✗ for (i = 0; i<NB_Y_COEFF; i++) {
1166 ✗ stat[i] += FFABS(bg + ((br*rct_y_coeff[i][0] + bb*rct_y_coeff[i][1])>>2));
1167 }
1168
1169 }
1170 ✗ sample[0][x] = ag;
1171 ✗ sample[1][x] = ab;
1172 ✗ sample[2][x] = ar;
1173
1174 ✗ lastr = r;
1175 ✗ lastg = g;
1176 ✗ lastb = b;
1177 }
1178 }
1179
1180 ✗ best = 0;
1181 ✗ for (i=1; i<NB_Y_COEFF; i++) {
1182 ✗ if (stat[i] < stat[best])
1183 ✗ best = i;
1184 }
1185
1186 ✗ sc->slice_rct_by_coef = rct_y_coeff[best][1];
1187 ✗ sc->slice_rct_ry_coef = rct_y_coeff[best][0];
1188 ✗ }
1189
1190 ✗ static void encode_histogram_remap(FFV1Context *f, FFV1SliceContext *sc)
1191 {
1192 ✗ int len = 1 << f->bits_per_raw_sample;
1193 ✗ int flip = sc->remap == 2 ? 0x7FFF : 0;
1194
1195 ✗ for (int p= 0; p < 1 + 2*f->chroma_planes + f->transparency; p++) {
1196 ✗ int j = 0;
1197 ✗ int lu = 0;
1198 uint8_t state[2][32];
1199 ✗ int run = 0;
1200
1201 ✗ memset(state, 128, sizeof(state));
1202 ✗ put_symbol(&sc->c, state[0], 0, 0);
1203 ✗ memset(state, 128, sizeof(state));
1204 ✗ for (int i= 0; i<len; i++) {
1205 ✗ int ri = i ^ ((i&0x8000) ? 0 : flip);
1206 ✗ int u = sc->fltmap[p][ri];
1207 ✗ sc->fltmap[p][ri] = j;
1208 ✗ j+= u;
1209
1210 ✗ if (lu == u) {
1211 ✗ run ++;
1212 } else {
1213 ✗ put_symbol_inline(&sc->c, state[lu], run, 0, NULL, NULL);
1214 ✗ if (run == 0)
1215 ✗ lu = u;
1216 ✗ run = 0;
1217 }
1218 }
1219 ✗ if (run)
1220 ✗ put_symbol(&sc->c, state[lu], run, 0);
1221 ✗ sc->remap_count[p] = j;
1222 }
1223 ✗ }
1224
1225 ✗ static void load_rgb_float32_frame(FFV1Context *f, FFV1SliceContext *sc,
1226 const uint8_t *src[4],
1227 int w, int h, const int stride[4])
1228 {
1229 int x, y;
1230 ✗ int transparency = f->transparency;
1231 ✗ int i = 0;
1232
1233 ✗ for (y = 0; y < h; y++) {
1234 ✗ for (x = 0; x < w; x++) {
1235 ✗ int b, g, r, av_uninit(a);
1236
1237 ✗ g = *((const uint32_t *)(src[0] + x*4 + stride[0]*y));
1238 ✗ b = *((const uint32_t *)(src[1] + x*4 + stride[1]*y));
1239 ✗ r = *((const uint32_t *)(src[2] + x*4 + stride[2]*y));
1240 ✗ if (transparency)
1241 ✗ a = *((const uint32_t *)(src[3] + x*4 + stride[3]*y));
1242
1243 ✗ if (sc->remap == 2) {
1244 #define FLIP(f) (((f)&0x80000000) ? (f) : (f)^0x7FFFFFFF);
1245 ✗ g = FLIP(g);
1246 ✗ b = FLIP(b);
1247 ✗ r = FLIP(r);
1248 }
1249 // We cannot build a histogram as we do for 16bit, we need a bit of magic here
1250 // Its possible to reduce the memory needed at the cost of more dereferencing
1251 ✗ sc->unit[0][i].val = g;
1252 ✗ sc->unit[0][i].ndx = x + y*w;
1253
1254 ✗ sc->unit[1][i].val = b;
1255 ✗ sc->unit[1][i].ndx = x + y*w;
1256
1257 ✗ sc->unit[2][i].val = r;
1258 ✗ sc->unit[2][i].ndx = x + y*w;
1259
1260 ✗ if (transparency) {
1261 ✗ sc->unit[3][i].val = a;
1262 ✗ sc->unit[3][i].ndx = x + y*w;
1263 }
1264 ✗ i++;
1265 }
1266 }
1267
1268 //TODO switch to radix sort
1269 #define CMP(A,B) ((A)->val - (int64_t)(B)->val)
1270 ✗ AV_QSORT(sc->unit[0], i, struct Unit, CMP);
1271 ✗ AV_QSORT(sc->unit[1], i, struct Unit, CMP);
1272 ✗ AV_QSORT(sc->unit[2], i, struct Unit, CMP);
1273 ✗ if (transparency)
1274 ✗ AV_QSORT(sc->unit[3], i, struct Unit, CMP);
1275 ✗ }
1276
1277 ✗ static int encode_float32_remap_segment(FFV1SliceContext *sc,
1278 int p, int mul_count, int *mul_tab, int update, int final)
1279 {
1280 ✗ const int pixel_num = sc->slice_width * sc->slice_height;
1281 uint8_t state[2][3][32];
1282 int mul[4096+1];
1283 ✗ RangeCoder rc = sc->c;
1284 ✗ int lu = 0;
1285 ✗ int run = 0;
1286 ✗ int64_t last_val = -1;
1287 ✗ int compact_index = -1;
1288 ✗ int i = 0;
1289 ✗ int current_mul_index = -1;
1290 ✗ int run1final = 0;
1291 int run1start_i;
1292 int run1start_last_val;
1293 int run1start_mul_index;
1294
1295 ✗ memcpy(mul, mul_tab, sizeof(*mul_tab)*(mul_count+1));
1296 ✗ memset(state, 128, sizeof(state));
1297 ✗ put_symbol(&rc, state[0][0], mul_count, 0);
1298 ✗ memset(state, 128, sizeof(state));
1299
1300 ✗ for (; i < pixel_num+1; i++) {
1301 ✗ int current_mul = current_mul_index < 0 ? 1 : FFABS(mul[current_mul_index]);
1302 int64_t val;
1303 ✗ if (i == pixel_num) {
1304 ✗ if (last_val == 0xFFFFFFFF) {
1305 ✗ break;
1306 } else {
1307 ✗ val = last_val + ((1LL<<32) - last_val + current_mul - 1) / current_mul * current_mul;
1308 av_assert2(val >= (1LL<<32));
1309 ✗ val += lu * current_mul; //ensure a run1 ends
1310 }
1311 } else
1312 ✗ val = sc->unit[p][i].val;
1313
1314 ✗ if (last_val != val) {
1315 ✗ int64_t delta = val - last_val;
1316 ✗ int64_t step = FFMAX(1, (delta + current_mul/2) / current_mul);
1317 av_assert2(last_val < val);
1318 av_assert2(current_mul > 0);
1319
1320 ✗ delta -= step*current_mul;
1321 av_assert2(delta <= current_mul/2);
1322 av_assert2(delta > -current_mul);
1323
1324 av_assert2(step > 0);
1325 ✗ if (lu) {
1326 ✗ if (!run) {
1327 ✗ run1start_i = i - 1;
1328 ✗ run1start_last_val = last_val;
1329 ✗ run1start_mul_index= current_mul_index;
1330 }
1331 ✗ if (step == 1) {
1332 ✗ if (run1final) {
1333 ✗ if (current_mul>1)
1334 ✗ put_symbol_inline(&rc, state[lu][1], delta, 1, NULL, NULL);
1335 }
1336 ✗ run ++;
1337 av_assert2(last_val + current_mul + delta == val);
1338 } else {
1339 ✗ if (run1final) {
1340 ✗ if (run == 0)
1341 ✗ lu ^= 1;
1342 ✗ i--; // we did not encode val so we need to backstep
1343 ✗ last_val += current_mul;
1344 } else {
1345 ✗ put_symbol_inline(&rc, state[lu][0], run, 0, NULL, NULL);
1346 ✗ i = run1start_i;
1347 ✗ last_val = run1start_last_val; // we could compute this instead of storing
1348 ✗ current_mul_index = run1start_mul_index;
1349 }
1350 ✗ run1final ^= 1;
1351
1352 ✗ run = 0;
1353 ✗ continue;
1354 }
1355 } else {
1356 av_assert2(run == 0);
1357 av_assert2(run1final == 0);
1358 ✗ put_symbol_inline(&rc, state[lu][0], step - 1, 0, NULL, NULL);
1359
1360 ✗ if (current_mul > 1)
1361 ✗ put_symbol_inline(&rc, state[lu][1], delta, 1, NULL, NULL);
1362 ✗ if (step == 1)
1363 ✗ lu ^= 1;
1364
1365 av_assert2(last_val + step * current_mul + delta == val);
1366 }
1367 ✗ last_val = val;
1368 ✗ current_mul_index = ((last_val + 1) * mul_count) >> 32;
1369 ✗ if (!run || run1final) {
1370 av_assert2(mul[ current_mul_index ]);
1371 ✗ if (mul[ current_mul_index ] < 0) {
1372 av_assert2(i < pixel_num);
1373 ✗ mul[ current_mul_index ] *= -1;
1374 ✗ put_symbol_inline(&rc, state[0][2], mul[ current_mul_index ], 0, NULL, NULL);
1375 }
1376 ✗ if (i < pixel_num)
1377 ✗ compact_index ++;
1378 }
1379 }
1380 ✗ if (!run || run1final)
1381 ✗ if (final && i < pixel_num)
1382 ✗ sc->bitmap[p][sc->unit[p][i].ndx] = compact_index;
1383 }
1384
1385 ✗ if (update) {
1386 ✗ sc->c = rc;
1387 ✗ sc->remap_count[p] = compact_index + 1;
1388 }
1389 ✗ return get_rac_count(&rc);
1390 }
1391
1392 ✗ static void encode_float32_remap(FFV1Context *f, FFV1SliceContext *sc,
1393 const uint8_t *src[4])
1394 {
1395 ✗ int pixel_num = sc->slice_width * sc->slice_height;
1396 ✗ const int max_log2_mul_count = ((int[]){ 1, 1, 1, 9, 9, 10})[f->remap_optimizer];
1397 ✗ const int log2_mul_count_step = ((int[]){ 1, 1, 1, 9, 9, 1})[f->remap_optimizer];
1398 ✗ const int max_log2_mul = ((int[]){ 1, 8, 8, 9, 22, 22})[f->remap_optimizer];
1399 ✗ const int log2_mul_step = ((int[]){ 1, 8, 1, 1, 1, 1})[f->remap_optimizer];
1400 ✗ const int bruteforce_count = ((int[]){ 0, 0, 0, 1, 1, 1})[f->remap_optimizer];
1401 ✗ const int stair_mode = ((int[]){ 0, 0, 0, 1, 0, 0})[f->remap_optimizer];
1402 ✗ const int magic_log2 = ((int[]){ 1, 1, 1, 1, 0, 0})[f->remap_optimizer];
1403
1404 ✗ for (int p= 0; p < 1 + 2*f->chroma_planes + f->transparency; p++) {
1405 ✗ int best_log2_mul_count = 0;
1406 ✗ float score_sum[11] = {0};
1407 int mul_all[11][1025];
1408
1409 ✗ for (int log2_mul_count= 0; log2_mul_count <= max_log2_mul_count; log2_mul_count += log2_mul_count_step) {
1410 ✗ float score_tab_all[1025][23] = {0};
1411 ✗ int64_t last_val = -1;
1412 ✗ int *mul_tab = mul_all[log2_mul_count];
1413 ✗ int last_mul_index = -1;
1414 ✗ int mul_count = 1 << log2_mul_count;
1415
1416 ✗ score_sum[log2_mul_count] = 2 * log2_mul_count;
1417 ✗ if (magic_log2)
1418 ✗ score_sum[log2_mul_count] = av_float2int((float)mul_count * mul_count);
1419 ✗ for (int i= 0; i<pixel_num; i++) {
1420 ✗ int64_t val = sc->unit[p][i].val;
1421 ✗ int mul_index = (val + 1LL)*mul_count >> 32;
1422 ✗ if (val != last_val) {
1423 ✗ float *score_tab = score_tab_all[(last_val + 1LL)*mul_count >> 32];
1424 av_assert2(last_val < val);
1425 ✗ for(int si= 0; si <= max_log2_mul; si += log2_mul_step) {
1426 ✗ int64_t delta = val - last_val;
1427 int mul;
1428 int64_t cost;
1429
1430 ✗ if (last_val < 0) {
1431 ✗ mul = 1;
1432 ✗ } else if (stair_mode && mul_count == 512 && si == max_log2_mul ) {
1433 ✗ if (mul_index >= 0x378/8 && mul_index <= 23 + 0x378/8) {
1434 ✗ mul = (0x800080 >> (mul_index - 0x378/8));
1435 } else
1436 ✗ mul = 1;
1437 } else {
1438 ✗ mul = (0x10001LL)<<si >> 16;
1439 }
1440
1441 ✗ cost = FFMAX((delta + mul/2) / mul, 1);
1442 ✗ float score = 1;
1443 ✗ if (mul > 1) {
1444 ✗ score *= (fabs(delta - cost*mul)+1);
1445 ✗ if (mul_count > 1)
1446 ✗ score *= score;
1447 }
1448 ✗ score *= cost;
1449 ✗ score *= score;
1450 ✗ if (mul_index != last_mul_index)
1451 ✗ score *= mul;
1452 ✗ if (magic_log2) {
1453 ✗ score_tab[si] += av_float2int(score);
1454 } else
1455 ✗ score_tab[si] += log2f(score);
1456 }
1457 }
1458 ✗ last_val = val;
1459 ✗ last_mul_index = mul_index;
1460 }
1461 ✗ for(int i= 0; i<mul_count; i++) {
1462 ✗ int best_index = 0;
1463 ✗ float *score_tab = score_tab_all[i];
1464 ✗ for(int si= 0; si <= max_log2_mul; si += log2_mul_step) {
1465 ✗ if (score_tab[si] < score_tab[ best_index ])
1466 ✗ best_index = si;
1467 }
1468 ✗ if (stair_mode && mul_count == 512 && best_index == max_log2_mul ) {
1469 ✗ if (i >= 0x378/8 && i <= 23 + 0x378/8) {
1470 ✗ mul_tab[i] = -(0x800080 >> (i - 0x378/8));
1471 } else
1472 ✗ mul_tab[i] = -1;
1473 } else
1474 ✗ mul_tab[i] = -((0x10001LL)<<best_index >> 16);
1475 ✗ score_sum[log2_mul_count] += score_tab[ best_index ];
1476 }
1477 ✗ mul_tab[mul_count] = 1;
1478
1479 ✗ if (bruteforce_count)
1480 ✗ score_sum[log2_mul_count] = encode_float32_remap_segment(sc, p, mul_count, mul_all[log2_mul_count], 0, 0);
1481
1482 ✗ if (score_sum[log2_mul_count] < score_sum[best_log2_mul_count])
1483 ✗ best_log2_mul_count = log2_mul_count;
1484 }
1485
1486 ✗ encode_float32_remap_segment(sc, p, 1<<best_log2_mul_count, mul_all[best_log2_mul_count], 1, 1);
1487 }
1488 ✗ }
1489
1490 ✗ static int encode_float32_rgb_frame(FFV1Context *f, FFV1SliceContext *sc,
1491 const uint8_t *src[4],
1492 int w, int h, const int stride[4], int ac)
1493 {
1494 int x, y, p, i;
1495 ✗ const int ring_size = f->context_model ? 3 : 2;
1496 int32_t *sample[4][3];
1497 ✗ const int pass1 = !!(f->avctx->flags & AV_CODEC_FLAG_PASS1);
1498 int bits[4], offset;
1499 ✗ int transparency = f->transparency;
1500
1501 ✗ ff_ffv1_compute_bits_per_plane(f, sc, bits, &offset, NULL, f->bits_per_raw_sample);
1502
1503 ✗ sc->run_index = 0;
1504
1505 ✗ memset(RENAME(sc->sample_buffer), 0, ring_size * MAX_PLANES *
1506 ✗ (w + 6) * sizeof(*RENAME(sc->sample_buffer)));
1507
1508 ✗ for (y = 0; y < h; y++) {
1509 ✗ for (i = 0; i < ring_size; i++)
1510 ✗ for (p = 0; p < MAX_PLANES; p++)
1511 ✗ sample[p][i]= RENAME(sc->sample_buffer) + p*ring_size*(w+6) + ((h+i-y)%ring_size)*(w+6) + 3;
1512
1513 ✗ for (x = 0; x < w; x++) {
1514 ✗ int b, g, r, av_uninit(a);
1515 ✗ g = sc->bitmap[0][x + w*y];
1516 ✗ b = sc->bitmap[1][x + w*y];
1517 ✗ r = sc->bitmap[2][x + w*y];
1518 ✗ if (transparency)
1519 ✗ a = sc->bitmap[3][x + w*y];
1520
1521 ✗ if (sc->slice_coding_mode != 1) {
1522 ✗ b -= g;
1523 ✗ r -= g;
1524 ✗ g += (b * sc->slice_rct_by_coef + r * sc->slice_rct_ry_coef) >> 2;
1525 ✗ b += offset;
1526 ✗ r += offset;
1527 }
1528
1529 ✗ sample[0][0][x] = g;
1530 ✗ sample[1][0][x] = b;
1531 ✗ sample[2][0][x] = r;
1532 ✗ sample[3][0][x] = a;
1533 }
1534 ✗ for (p = 0; p < 3 + transparency; p++) {
1535 int ret;
1536 ✗ sample[p][0][-1] = sample[p][1][0 ];
1537 ✗ sample[p][1][ w] = sample[p][1][w-1];
1538 ✗ ret = encode_line32(f, sc, f->avctx, w, sample[p], (p + 1) / 2,
1539 bits[p], ac, pass1);
1540 ✗ if (ret < 0)
1541 ✗ return ret;
1542 }
1543 }
1544 ✗ return 0;
1545 }
1546
1547
1548 9345 static int encode_slice(AVCodecContext *c, void *arg)
1549 {
1550 9345 FFV1SliceContext *sc = arg;
1551 9345 FFV1Context *f = c->priv_data;
1552 9345 int width = sc->slice_width;
1553 9345 int height = sc->slice_height;
1554 9345 int x = sc->slice_x;
1555 9345 int y = sc->slice_y;
1556 9345 const AVFrame *const p = f->cur_enc_frame;
1557 9345 const int ps = av_pix_fmt_desc_get(c->pix_fmt)->comp[0].step;
1558 int ret;
1559 9345 RangeCoder c_bak = sc->c;
1560 9345 const int chroma_width = AV_CEIL_RSHIFT(width, f->chroma_h_shift);
1561 9345 const int chroma_height = AV_CEIL_RSHIFT(height, f->chroma_v_shift);
1562 37380 const uint8_t *planes[4] = {p->data[0] + ps*x + y*p->linesize[0],
1563
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 9345 p->data[1] ? p->data[1] + ps*x + y*p->linesize[1] : NULL,
1564
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 9345 p->data[2] ? p->data[2] + ps*x + y*p->linesize[2] : NULL,
1565
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 9345 p->data[3] ? p->data[3] + ps*x + y*p->linesize[3] : NULL};
1566 9345 int ac = f->ac;
1567
1568 9345 sc->slice_coding_mode = 0;
1569
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 9345 if (f->version > 3 && f->colorspace == 1) {
1570 ✗ choose_rct_params(f, sc, planes, p->linesize, width, height);
1571 } else {
1572 9345 sc->slice_rct_by_coef = 1;
1573 9345 sc->slice_rct_ry_coef = 1;
1574 }
1575
1576 9345 retry:
1577
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 9345 if (f->key_frame)
1578 941 ff_ffv1_clear_slice_state(f, sc);
1579
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 9345 if (f->version > 2) {
1580 8345 encode_slice_header(f, sc);
1581 }
1582
1583
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 9345 if (sc->remap) {
1584 //Both the 16bit and 32bit remap do exactly the same thing but with 16bits we can
1585 //Implement this using a "histogram" while for 32bit that would be gb sized, thus a more
1586 //complex implementation sorting pairs is used.
1587 ✗ if (f->bits_per_raw_sample != 32) {
1588 ✗ if (f->colorspace == 0 && c->pix_fmt != AV_PIX_FMT_YA8 && c->pix_fmt != AV_PIX_FMT_YAF16) {
1589 ✗ const int cx = x >> f->chroma_h_shift;
1590 ✗ const int cy = y >> f->chroma_v_shift;
1591
1592 //TODO decide on the order for the encoded remaps and loads. with golomb rice it
1593 // easier to have all range coded ones together, otherwise it may be nicer to handle each plane as a whole?
1594
1595 ✗ load_plane(f, sc, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0, 1);
1596
1597 ✗ if (f->chroma_planes) {
1598 ✗ load_plane(f, sc, p->data[1] + ps*cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[1], 1, 1);
1599 ✗ load_plane(f, sc, p->data[2] + ps*cx+cy*p->linesize[2], chroma_width, chroma_height, p->linesize[2], 2, 1);
1600 }
1601 ✗ if (f->transparency)
1602 ✗ load_plane(f, sc, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], 3, 1);
1603 ✗ } else if (c->pix_fmt == AV_PIX_FMT_YA8 || c->pix_fmt == AV_PIX_FMT_YAF16) {
1604 ✗ load_plane(f, sc, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0, 2);
1605 ✗ load_plane(f, sc, p->data[0] + (ps>>1) + ps*x + y*p->linesize[0], width, height, p->linesize[0], 1, 2);
1606 ✗ } else if (f->use32bit) {
1607 ✗ load_rgb_frame32(f, sc, planes, width, height, p->linesize);
1608 } else
1609 ✗ load_rgb_frame (f, sc, planes, width, height, p->linesize);
1610
1611 ✗ encode_histogram_remap(f, sc);
1612 } else {
1613 ✗ load_rgb_float32_frame(f, sc, planes, width, height, p->linesize);
1614 ✗ encode_float32_remap(f, sc, planes);
1615 }
1616 }
1617
1618
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 9345 if (ac == AC_GOLOMB_RICE) {
1619
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 3700 sc->ac_byte_count = f->version > 2 || (!x && !y) ? ff_rac_terminate(&sc->c, f->version > 2) : 0;
1620 3700 init_put_bits(&sc->pb,
1621 3700 sc->c.bytestream_start + sc->ac_byte_count,
1622 3700 sc->c.bytestream_end - sc->c.bytestream_start - sc->ac_byte_count);
1623 }
1624
1625
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 17090 if (f->colorspace == 0 && c->pix_fmt != AV_PIX_FMT_YA8 && c->pix_fmt != AV_PIX_FMT_YAF16) {
1626 7745 const int cx = x >> f->chroma_h_shift;
1627 7745 const int cy = y >> f->chroma_v_shift;
1628
1629 7745 ret = encode_plane(f, sc, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0, 0, 1, ac);
1630
1631
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 7745 if (f->chroma_planes) {
1632 7745 ret |= encode_plane(f, sc, p->data[1] + ps*cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[1], 1, 1, 1, ac);
1633 7745 ret |= encode_plane(f, sc, p->data[2] + ps*cx+cy*p->linesize[2], chroma_width, chroma_height, p->linesize[2], 1, 2, 1, ac);
1634 }
1635
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 7745 if (f->transparency)
1636 ✗ ret |= encode_plane(f, sc, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], 2, 3, 1, ac);
1637
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 1600 } else if (c->pix_fmt == AV_PIX_FMT_YA8 || c->pix_fmt == AV_PIX_FMT_YAF16) {
1638 ✗ ret = encode_plane(f, sc, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0, 0, 2, ac);
1639 ✗ ret |= encode_plane(f, sc, p->data[0] + (ps>>1) + ps*x + y*p->linesize[0], width, height, p->linesize[0], 1, 1, 2, ac);
1640
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 1600 } else if (f->bits_per_raw_sample == 32) {
1641 ✗ ret = encode_float32_rgb_frame(f, sc, planes, width, height, p->linesize, ac);
1642
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 1600 } else if (f->use32bit) {
1643 800 ret = encode_rgb_frame32(f, sc, planes, width, height, p->linesize, ac);
1644 } else {
1645 800 ret = encode_rgb_frame(f, sc, planes, width, height, p->linesize, ac);
1646 }
1647
1648
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 9345 if (ac != AC_GOLOMB_RICE) {
1649 5645 sc->ac_byte_count = ff_rac_terminate(&sc->c, 1);
1650 } else {
1651 3700 flush_put_bits(&sc->pb); // FIXME: nicer padding
1652 3700 sc->ac_byte_count += put_bytes_output(&sc->pb);
1653 }
1654
1655
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 9345 if (ret < 0) {
1656 ✗ av_assert0(sc->slice_coding_mode == 0);
1657 ✗ if (f->version < 4) {
1658 ✗ av_log(c, AV_LOG_ERROR, "Buffer too small\n");
1659 ✗ return ret;
1660 }
1661 ✗ av_log(c, AV_LOG_DEBUG, "Coding slice as PCM\n");
1662 ✗ ac = 1;
1663 ✗ sc->slice_coding_mode = 1;
1664 ✗ sc->c = c_bak;
1665 ✗ goto retry;
1666 }
1667
1668 9345 return 0;
1669 }
1670
1671 2480 size_t ff_ffv1_encode_buffer_size(AVCodecContext *avctx)
1672 {
1673 2480 FFV1Context *f = avctx->priv_data;
1674
1675 2480 size_t maxsize = avctx->width*avctx->height * (1 + f->transparency);
1676
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 2480 if (f->chroma_planes)
1677 2480 maxsize += AV_CEIL_RSHIFT(avctx->width, f->chroma_h_shift) * AV_CEIL_RSHIFT(f->height, f->chroma_v_shift) * 2;
1678 2480 maxsize += f->slice_count * 800; //for slice header
1679
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 2480 if (f->version > 3) {
1680 ✗ maxsize *= f->bits_per_raw_sample + 1;
1681 ✗ if (f->remap_mode)
1682 ✗ maxsize += f->slice_count * 70000 * (1 + 2*f->chroma_planes + f->transparency);
1683 } else {
1684 2480 maxsize += f->slice_count * 2 * (avctx->width + avctx->height); //for bug with slices that code some pixels more than once
1685 2480 maxsize *= 8*(2*f->bits_per_raw_sample + 5);
1686 }
1687 2480 maxsize >>= 3;
1688 2480 maxsize += FF_INPUT_BUFFER_MIN_SIZE;
1689
1690 2480 return maxsize;
1691 }
1692
1693 2531 static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
1694 const AVFrame *pict, int *got_packet)
1695 {
1696 2531 FFV1Context *f = avctx->priv_data;
1697 2531 RangeCoder *const c = &f->slices[0].c;
1698 2531 uint8_t keystate = 128;
1699 uint8_t *buf_p;
1700 int i, ret;
1701 int64_t maxsize;
1702
1703
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 2531 if(!pict) {
1704
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 51 if (avctx->flags & AV_CODEC_FLAG_PASS1) {
1705 int j, k, m;
1706 8 char *p = avctx->stats_out;
1707 8 char *end = p + STATS_OUT_SIZE;
1708
1709 8 memset(f->rc_stat, 0, sizeof(f->rc_stat));
1710
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 24 for (i = 0; i < f->quant_table_count; i++)
1711 16 memset(f->rc_stat2[i], 0, f->context_count[i] * sizeof(*f->rc_stat2[i]));
1712
1713
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 8 av_assert0(f->slice_count == f->max_slice_count);
1714
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 40 for (j = 0; j < f->slice_count; j++) {
1715 32 const FFV1SliceContext *sc = &f->slices[j];
1716
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 8224 for (i = 0; i < 256; i++) {
1717 8192 f->rc_stat[i][0] += sc->rc_stat[i][0];
1718 8192 f->rc_stat[i][1] += sc->rc_stat[i][1];
1719 }
1720
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 96 for (i = 0; i < f->quant_table_count; i++) {
1721
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 218576 for (k = 0; k < f->context_count[i]; k++)
1722
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 7210896 for (m = 0; m < 32; m++) {
1723 6992384 f->rc_stat2[i][k][m][0] += sc->rc_stat2[i][k][m][0];
1724 6992384 f->rc_stat2[i][k][m][1] += sc->rc_stat2[i][k][m][1];
1725 }
1726 }
1727 }
1728
1729
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 2056 for (j = 0; j < 256; j++) {
1730 2048 snprintf(p, end - p, "%" PRIu64 " %" PRIu64 " ",
1731 f->rc_stat[j][0], f->rc_stat[j][1]);
1732 2048 p += strlen(p);
1733 }
1734 8 snprintf(p, end - p, "\n");
1735
1736
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 24 for (i = 0; i < f->quant_table_count; i++) {
1737
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 54644 for (j = 0; j < f->context_count[i]; j++)
1738
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 1802724 for (m = 0; m < 32; m++) {
1739 1748096 snprintf(p, end - p, "%" PRIu64 " %" PRIu64 " ",
1740 1748096 f->rc_stat2[i][j][m][0], f->rc_stat2[i][j][m][1]);
1741 1748096 p += strlen(p);
1742 }
1743 }
1744 8 snprintf(p, end - p, "%d\n", f->gob_count);
1745 }
1746 51 return 0;
1747 }
1748
1749 /* Maximum packet size */
1750 2480 maxsize = ff_ffv1_encode_buffer_size(avctx);
1751
1752
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 2480 if (maxsize > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE - 32) {
1753 ✗ FFV1Context *f = avctx->priv_data;
1754 ✗ if (!f->maxsize_warned) {
1755 ✗ av_log(avctx, AV_LOG_WARNING, "Cannot allocate worst case packet size, the encoding could fail\n");
1756 ✗ f->maxsize_warned++;
1757 }
1758 ✗ maxsize = INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE - 32;
1759 }
1760
1761
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 2480 if ((ret = ff_alloc_packet(avctx, pkt, maxsize)) < 0)
1762 ✗ return ret;
1763
1764 2480 ff_init_range_encoder(c, pkt->data, pkt->size);
1765 2480 ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8);
1766
1767 2480 f->cur_enc_frame = pict;
1768
1769
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 2480 if (avctx->gop_size == 0 || f->picture_number % avctx->gop_size == 0) {
1770 249 put_rac(c, &keystate, 1);
1771 249 f->key_frame = 1;
1772 249 f->gob_count++;
1773 249 write_header(f);
1774 } else {
1775 2231 put_rac(c, &keystate, 0);
1776 2231 f->key_frame = 0;
1777 }
1778
1779
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 2480 if (f->ac == AC_RANGE_CUSTOM_TAB) {
1780 int i;
1781
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 359680 for (i = 1; i < 256; i++) {
1782 358275 c->one_state[i] = f->state_transition[i];
1783 358275 c->zero_state[256 - i] = 256 - c->one_state[i];
1784 }
1785 }
1786
1787
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 11825 for (i = 0; i < f->slice_count; i++) {
1788 9345 FFV1SliceContext *sc = &f->slices[i];
1789 9345 uint8_t *start = pkt->data + pkt->size * (int64_t)i / f->slice_count;
1790 9345 int len = pkt->size / f->slice_count;
1791
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 9345 if (i) {
1792 6865 ff_init_range_encoder(&sc->c, start, len);
1793 } else {
1794
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 2480 av_assert0(sc->c.bytestream_end >= sc->c.bytestream_start + len);
1795
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 2480 av_assert0(sc->c.bytestream < sc->c.bytestream_start + len);
1796 2480 sc->c.bytestream_end = sc->c.bytestream_start + len;
1797 }
1798 }
1799 2480 avctx->execute(avctx, encode_slice, f->slices, NULL,
1800 f->slice_count, sizeof(*f->slices));
1801
1802 2480 buf_p = pkt->data;
1803
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 11825 for (i = 0; i < f->slice_count; i++) {
1804 9345 FFV1SliceContext *sc = &f->slices[i];
1805 9345 int bytes = sc->ac_byte_count;
1806
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 9345 if (i > 0 || f->version > 2) {
1807
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 8945 av_assert0(bytes < pkt->size / f->slice_count);
1808 8945 memmove(buf_p, sc->c.bytestream_start, bytes);
1809
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 8945 av_assert0(bytes < (1 << 24));
1810 8945 AV_WB24(buf_p + bytes, bytes);
1811 8945 bytes += 3;
1812 }
1813
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 9345 if (f->ec) {
1814 unsigned v;
1815 8345 buf_p[bytes++] = 0;
1816
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 8345 v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), f->crcref, buf_p, bytes) ^ (f->crcref ? 0x8CD88196 : 0);
1817 8345 AV_WL32(buf_p + bytes, v);
1818 8345 bytes += 4;
1819 }
1820 9345 buf_p += bytes;
1821 }
1822
1823
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 2480 if (avctx->flags & AV_CODEC_FLAG_PASS1)
1824 400 avctx->stats_out[0] = '\0';
1825
1826 2480 f->picture_number++;
1827 2480 pkt->size = buf_p - pkt->data;
1828 2480 pkt->flags |= AV_PKT_FLAG_KEY * f->key_frame;
1829 2480 *got_packet = 1;
1830
1831 2480 return 0;
1832 }
1833
1834 51 static av_cold int encode_close(AVCodecContext *avctx)
1835 {
1836 51 FFV1Context *const s = avctx->priv_data;
1837
1838
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 248 for (int j = 0; j < s->max_slice_count; j++) {
1839 197 FFV1SliceContext *sc = &s->slices[j];
1840
1841
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 985 for(int p = 0; p<4; p++) {
1842 788 av_freep(&sc->unit[p]);
1843 788 av_freep(&sc->bitmap[p]);
1844 }
1845 }
1846
1847 51 av_freep(&avctx->stats_out);
1848 51 ff_ffv1_close(s);
1849
1850 51 return 0;
1851 }
1852
1853 #define OFFSET(x) offsetof(FFV1Context, x)
1854 #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
1855 static const AVOption options[] = {
1856 { "slicecrc", "Protect slices with CRCs", OFFSET(ec), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE },
1857 { "coder", "Coder type", OFFSET(ac), AV_OPT_TYPE_INT,
1858 { .i64 = 0 }, -2, 2, VE, .unit = "coder" },
1859 { "rice", "Golomb rice", 0, AV_OPT_TYPE_CONST,
1860 { .i64 = AC_GOLOMB_RICE }, INT_MIN, INT_MAX, VE, .unit = "coder" },
1861 { "range_def", "Range with default table", 0, AV_OPT_TYPE_CONST,
1862 { .i64 = AC_RANGE_DEFAULT_TAB_FORCE }, INT_MIN, INT_MAX, VE, .unit = "coder" },
1863 { "range_tab", "Range with custom table", 0, AV_OPT_TYPE_CONST,
1864 { .i64 = AC_RANGE_CUSTOM_TAB }, INT_MIN, INT_MAX, VE, .unit = "coder" },
1865 { "ac", "Range with custom table (the ac option exists for compatibility and is deprecated)", 0, AV_OPT_TYPE_CONST,
1866 { .i64 = 1 }, INT_MIN, INT_MAX, VE, .unit = "coder" },
1867 { "context", "Context model", OFFSET(context_model), AV_OPT_TYPE_INT,
1868 { .i64 = 0 }, 0, 1, VE },
1869 { "qtable", "Quantization table", OFFSET(qtable), AV_OPT_TYPE_INT,
1870 { .i64 = -1 }, -1, 2, VE , .unit = "qtable"},
1871 { "default", NULL, 0, AV_OPT_TYPE_CONST,
1872 { .i64 = QTABLE_DEFAULT }, INT_MIN, INT_MAX, VE, .unit = "qtable" },
1873 { "8bit", NULL, 0, AV_OPT_TYPE_CONST,
1874 { .i64 = QTABLE_8BIT }, INT_MIN, INT_MAX, VE, .unit = "qtable" },
1875 { "greater8bit", NULL, 0, AV_OPT_TYPE_CONST,
1876 { .i64 = QTABLE_GT8BIT }, INT_MIN, INT_MAX, VE, .unit = "qtable" },
1877 { "remap_mode", "Remap Mode", OFFSET(remap_mode), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 2, VE, .unit = "remap_mode" },
1878 { "auto", "Automatic", 0, AV_OPT_TYPE_CONST,
1879 { .i64 = -1 }, INT_MIN, INT_MAX, VE, .unit = "remap_mode" },
1880 { "off", "Disabled", 0, AV_OPT_TYPE_CONST,
1881 { .i64 = 0 }, INT_MIN, INT_MAX, VE, .unit = "remap_mode" },
1882 { "dualrle", "Dual RLE", 0, AV_OPT_TYPE_CONST,
1883 { .i64 = 1 }, INT_MIN, INT_MAX, VE, .unit = "remap_mode" },
1884 { "flipdualrle", "Dual RLE", 0, AV_OPT_TYPE_CONST,
1885 { .i64 = 2 }, INT_MIN, INT_MAX, VE, .unit = "remap_mode" },
1886 { "remap_optimizer", "Remap Optimizer", OFFSET(remap_optimizer), AV_OPT_TYPE_INT, { .i64 = 3 }, 0, 5, VE, .unit = "remap_optimizer" },
1887
1888 { NULL }
1889 };
1890
1891 static const AVClass ffv1_class = {
1892 .class_name = "ffv1 encoder",
1893 .item_name = av_default_item_name,
1894 .option = options,
1895 .version = LIBAVUTIL_VERSION_INT,
1896 };
1897
1898 const FFCodec ff_ffv1_encoder = {
1899 .p.name = "ffv1",
1900 CODEC_LONG_NAME("FFmpeg video codec #1"),
1901 .p.type = AVMEDIA_TYPE_VIDEO,
1902 .p.id = AV_CODEC_ID_FFV1,
1903 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY |
1904 AV_CODEC_CAP_SLICE_THREADS |
1905 AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
1906 .priv_data_size = sizeof(FFV1Context),
1907 .init = encode_init_internal,
1908 FF_CODEC_ENCODE_CB(encode_frame),
1909 .close = encode_close,
1910 CODEC_PIXFMTS(
1911 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV444P,
1912 AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV411P,
1913 AV_PIX_FMT_YUV410P, AV_PIX_FMT_0RGB32, AV_PIX_FMT_RGB32, AV_PIX_FMT_YUV420P16,
1914 AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV422P9,
1915 AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
1916 AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12,
1917 AV_PIX_FMT_YUVA444P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA420P16,
1918 AV_PIX_FMT_YUVA444P12, AV_PIX_FMT_YUVA422P12,
1919 AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA420P10,
1920 AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA420P9,
1921 AV_PIX_FMT_GRAY16, AV_PIX_FMT_GRAY8, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
1922 AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRAP14,
1923 AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12,
1924 AV_PIX_FMT_YA8,
1925 AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14,
1926 AV_PIX_FMT_GBRP16, AV_PIX_FMT_RGB48,
1927 AV_PIX_FMT_GBRAP16, AV_PIX_FMT_RGBA64,
1928 AV_PIX_FMT_GRAY9,
1929 AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
1930 AV_PIX_FMT_YUV440P10, AV_PIX_FMT_YUV440P12,
1931 AV_PIX_FMT_YAF16,
1932 AV_PIX_FMT_GRAYF16,
1933 AV_PIX_FMT_GBRPF16, AV_PIX_FMT_GBRPF32),
1934 .color_ranges = AVCOL_RANGE_MPEG,
1935 .p.priv_class = &ffv1_class,
1936 .caps_internal = FF_CODEC_CAP_INIT_CLEANUP | FF_CODEC_CAP_EOF_FLUSH,
1937 };
1938