| 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 | #include "libavutil/timer.h" |
| 35 | #include "avcodec.h" |
| 36 | #include "internal.h" |
| 37 | #include "put_bits.h" |
| 38 | #include "rangecoder.h" |
| 39 | #include "golomb.h" |
| 40 | #include "mathops.h" |
| 41 | #include "ffv1.h" |
| 42 | |
| 43 | static const int8_t quant5_10bit[256] = { |
| 44 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, |
| 45 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 48 | 2, 2, 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, -1, |
| 57 | -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -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, -0, -0, -0, -0, -0, -0, -0, -0, -0, -0, |
| 60 | }; |
| 61 | |
| 62 | static const int8_t quant5[256] = { |
| 63 | 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, |
| 64 | 2, 2, 2, 2, 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, -1, -1, -1, |
| 79 | }; |
| 80 | |
| 81 | static const int8_t quant9_10bit[256] = { |
| 82 | 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, |
| 83 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, |
| 84 | 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, |
| 85 | 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, |
| 86 | 4, 4, 4, 4, 4, 4, 4, 4, 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, -3, -3, -3, -3, -3, -3, -3, |
| 95 | -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, -3, |
| 96 | -3, -3, -3, -3, -3, -3, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, |
| 97 | -2, -2, -2, -2, -1, -1, -1, -1, -1, -1, -1, -1, -0, -0, -0, -0, |
| 98 | }; |
| 99 | |
| 100 | static const int8_t quant11[256] = { |
| 101 | 0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, |
| 102 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, |
| 103 | 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, |
| 104 | 5, 5, 5, 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, -4, -4, |
| 115 | -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, -4, |
| 116 | -4, -4, -4, -4, -4, -3, -3, -3, -3, -3, -3, -3, -2, -2, -2, -1, |
| 117 | }; |
| 118 | |
| 119 | static const uint8_t ver2_state[256] = { |
| 120 | 0, 10, 10, 10, 10, 16, 16, 16, 28, 16, 16, 29, 42, 49, 20, 49, |
| 121 | 59, 25, 26, 26, 27, 31, 33, 33, 33, 34, 34, 37, 67, 38, 39, 39, |
| 122 | 40, 40, 41, 79, 43, 44, 45, 45, 48, 48, 64, 50, 51, 52, 88, 52, |
| 123 | 53, 74, 55, 57, 58, 58, 74, 60, 101, 61, 62, 84, 66, 66, 68, 69, |
| 124 | 87, 82, 71, 97, 73, 73, 82, 75, 111, 77, 94, 78, 87, 81, 83, 97, |
| 125 | 85, 83, 94, 86, 99, 89, 90, 99, 111, 92, 93, 134, 95, 98, 105, 98, |
| 126 | 105, 110, 102, 108, 102, 118, 103, 106, 106, 113, 109, 112, 114, 112, 116, 125, |
| 127 | 115, 116, 117, 117, 126, 119, 125, 121, 121, 123, 145, 124, 126, 131, 127, 129, |
| 128 | 165, 130, 132, 138, 133, 135, 145, 136, 137, 139, 146, 141, 143, 142, 144, 148, |
| 129 | 147, 155, 151, 149, 151, 150, 152, 157, 153, 154, 156, 168, 158, 162, 161, 160, |
| 130 | 172, 163, 169, 164, 166, 184, 167, 170, 177, 174, 171, 173, 182, 176, 180, 178, |
| 131 | 175, 189, 179, 181, 186, 183, 192, 185, 200, 187, 191, 188, 190, 197, 193, 196, |
| 132 | 197, 194, 195, 196, 198, 202, 199, 201, 210, 203, 207, 204, 205, 206, 208, 214, |
| 133 | 209, 211, 221, 212, 213, 215, 224, 216, 217, 218, 219, 220, 222, 228, 223, 225, |
| 134 | 226, 224, 227, 229, 240, 230, 231, 232, 233, 234, 235, 236, 238, 239, 237, 242, |
| 135 | 241, 243, 242, 244, 245, 246, 247, 248, 249, 250, 251, 252, 252, 253, 254, 255, |
| 136 | }; |
| 137 | |
| 138 | static void find_best_state(uint8_t best_state[256][256], |
| 139 | const uint8_t one_state[256]) |
| 140 | { |
| 141 | int i, j, k, m; |
| 142 | double l2tab[256]; |
| 143 | |
| 144 | for (i = 1; i < 256; i++) |
| 145 | l2tab[i] = log2(i / 256.0); |
| 146 | |
| 147 | for (i = 0; i < 256; i++) { |
| 148 | double best_len[256]; |
| 149 | double p = i / 256.0; |
| 150 | |
| 151 | for (j = 0; j < 256; j++) |
| 152 | best_len[j] = 1 << 30; |
| 153 | |
| 154 | for (j = FFMAX(i - 10, 1); j < FFMIN(i + 11, 256); j++) { |
| 155 | double occ[256] = { 0 }; |
| 156 | double len = 0; |
| 157 | occ[j] = 1.0; |
| 158 | for (k = 0; k < 256; k++) { |
| 159 | double newocc[256] = { 0 }; |
| 160 | for (m = 1; m < 256; m++) |
| 161 | if (occ[m]) { |
| 162 | len -=occ[m]*( p *l2tab[ m] |
| 163 | + (1-p)*l2tab[256-m]); |
| 164 | } |
| 165 | if (len < best_len[k]) { |
| 166 | best_len[k] = len; |
| 167 | best_state[i][k] = j; |
| 168 | } |
| 169 | for (m = 0; m < 256; m++) |
| 170 | if (occ[m]) { |
| 171 | newocc[ one_state[ m]] += occ[m] * p; |
| 172 | newocc[256 - one_state[256 - m]] += occ[m] * (1 - p); |
| 173 | } |
| 174 | memcpy(occ, newocc, sizeof(occ)); |
| 175 | } |
| 176 | } |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | static av_always_inline av_flatten void put_symbol_inline(RangeCoder *c, |
| 181 | uint8_t *state, int v, |
| 182 | int is_signed, |
| 183 | uint64_t rc_stat[256][2], |
| 184 | uint64_t rc_stat2[32][2]) |
| 185 | { |
| 186 | int i; |
| 187 | |
| 188 | #define put_rac(C, S, B) \ |
| 189 | do { \ |
| 190 | if (rc_stat) { \ |
| 191 | rc_stat[*(S)][B]++; \ |
| 192 | rc_stat2[(S) - state][B]++; \ |
| 193 | } \ |
| 194 | put_rac(C, S, B); \ |
| 195 | } while (0) |
| 196 | |
| 197 | if (v) { |
| 198 | const int a = FFABS(v); |
| 199 | const int e = av_log2(a); |
| 200 | put_rac(c, state + 0, 0); |
| 201 | if (e <= 9) { |
| 202 | for (i = 0; i < e; i++) |
| 203 | put_rac(c, state + 1 + i, 1); // 1..10 |
| 204 | put_rac(c, state + 1 + i, 0); |
| 205 | |
| 206 | for (i = e - 1; i >= 0; i--) |
| 207 | put_rac(c, state + 22 + i, (a >> i) & 1); // 22..31 |
| 208 | |
| 209 | if (is_signed) |
| 210 | put_rac(c, state + 11 + e, v < 0); // 11..21 |
| 211 | } else { |
| 212 | for (i = 0; i < e; i++) |
| 213 | put_rac(c, state + 1 + FFMIN(i, 9), 1); // 1..10 |
| 214 | put_rac(c, state + 1 + 9, 0); |
| 215 | |
| 216 | for (i = e - 1; i >= 0; i--) |
| 217 | put_rac(c, state + 22 + FFMIN(i, 9), (a >> i) & 1); // 22..31 |
| 218 | |
| 219 | if (is_signed) |
| 220 | put_rac(c, state + 11 + 10, v < 0); // 11..21 |
| 221 | } |
| 222 | } else { |
| 223 | put_rac(c, state + 0, 1); |
| 224 | } |
| 225 | #undef put_rac |
| 226 | } |
| 227 | |
| 228 | static av_noinline void put_symbol(RangeCoder *c, uint8_t *state, |
| 229 | int v, int is_signed) |
| 230 | { |
| 231 | put_symbol_inline(c, state, v, is_signed, NULL, NULL); |
| 232 | } |
| 233 | |
| 234 | |
| 235 | static inline void put_vlc_symbol(PutBitContext *pb, VlcState *const state, |
| 236 | int v, int bits) |
| 237 | { |
| 238 | int i, k, code; |
| 239 | v = fold(v - state->bias, bits); |
| 240 | |
| 241 | i = state->count; |
| 242 | k = 0; |
| 243 | while (i < state->error_sum) { // FIXME: optimize |
| 244 | k++; |
| 245 | i += i; |
| 246 | } |
| 247 | |
| 248 | av_assert2(k <= 13); |
| 249 | |
| 250 | #if 0 // JPEG LS |
| 251 | if (k == 0 && 2 * state->drift <= -state->count) |
| 252 | code = v ^ (-1); |
| 253 | else |
| 254 | code = v; |
| 255 | #else |
| 256 | code = v ^ ((2 * state->drift + state->count) >> 31); |
| 257 | #endif |
| 258 | |
| 259 | av_dlog(NULL, "v:%d/%d bias:%d error:%d drift:%d count:%d k:%d\n", v, code, |
| 260 | state->bias, state->error_sum, state->drift, state->count, k); |
| 261 | set_sr_golomb(pb, code, k, 12, bits); |
| 262 | |
| 263 | update_vlc_state(state, v); |
| 264 | } |
| 265 | |
| 266 | static av_always_inline int encode_line(FFV1Context *s, int w, |
| 267 | int16_t *sample[3], |
| 268 | int plane_index, int bits) |
| 269 | { |
| 270 | PlaneContext *const p = &s->plane[plane_index]; |
| 271 | RangeCoder *const c = &s->c; |
| 272 | int x; |
| 273 | int run_index = s->run_index; |
| 274 | int run_count = 0; |
| 275 | int run_mode = 0; |
| 276 | |
| 277 | if (s->ac) { |
| 278 | if (c->bytestream_end - c->bytestream < w * 35) { |
| 279 | av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); |
| 280 | return AVERROR_INVALIDDATA; |
| 281 | } |
| 282 | } else { |
| 283 | if (s->pb.buf_end - s->pb.buf - (put_bits_count(&s->pb) >> 3) < w * 4) { |
| 284 | av_log(s->avctx, AV_LOG_ERROR, "encoded frame too large\n"); |
| 285 | return AVERROR_INVALIDDATA; |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | if (s->slice_coding_mode == 1) { |
| 290 | for (x = 0; x < w; x++) { |
| 291 | int i; |
| 292 | int v = sample[0][x]; |
| 293 | for (i = bits-1; i>=0; i--) { |
| 294 | uint8_t state = 128; |
| 295 | put_rac(c, &state, (v>>i) & 1); |
| 296 | } |
| 297 | } |
| 298 | return 0; |
| 299 | } |
| 300 | |
| 301 | for (x = 0; x < w; x++) { |
| 302 | int diff, context; |
| 303 | |
| 304 | context = get_context(p, sample[0] + x, sample[1] + x, sample[2] + x); |
| 305 | diff = sample[0][x] - predict(sample[0] + x, sample[1] + x); |
| 306 | |
| 307 | if (context < 0) { |
| 308 | context = -context; |
| 309 | diff = -diff; |
| 310 | } |
| 311 | |
| 312 | diff = fold(diff, bits); |
| 313 | |
| 314 | if (s->ac) { |
| 315 | if (s->flags & CODEC_FLAG_PASS1) { |
| 316 | put_symbol_inline(c, p->state[context], diff, 1, s->rc_stat, |
| 317 | s->rc_stat2[p->quant_table_index][context]); |
| 318 | } else { |
| 319 | put_symbol_inline(c, p->state[context], diff, 1, NULL, NULL); |
| 320 | } |
| 321 | } else { |
| 322 | if (context == 0) |
| 323 | run_mode = 1; |
| 324 | |
| 325 | if (run_mode) { |
| 326 | if (diff) { |
| 327 | while (run_count >= 1 << ff_log2_run[run_index]) { |
| 328 | run_count -= 1 << ff_log2_run[run_index]; |
| 329 | run_index++; |
| 330 | put_bits(&s->pb, 1, 1); |
| 331 | } |
| 332 | |
| 333 | put_bits(&s->pb, 1 + ff_log2_run[run_index], run_count); |
| 334 | if (run_index) |
| 335 | run_index--; |
| 336 | run_count = 0; |
| 337 | run_mode = 0; |
| 338 | if (diff > 0) |
| 339 | diff--; |
| 340 | } else { |
| 341 | run_count++; |
| 342 | } |
| 343 | } |
| 344 | |
| 345 | av_dlog(s->avctx, "count:%d index:%d, mode:%d, x:%d pos:%d\n", |
| 346 | run_count, run_index, run_mode, x, |
| 347 | (int)put_bits_count(&s->pb)); |
| 348 | |
| 349 | if (run_mode == 0) |
| 350 | put_vlc_symbol(&s->pb, &p->vlc_state[context], diff, bits); |
| 351 | } |
| 352 | } |
| 353 | if (run_mode) { |
| 354 | while (run_count >= 1 << ff_log2_run[run_index]) { |
| 355 | run_count -= 1 << ff_log2_run[run_index]; |
| 356 | run_index++; |
| 357 | put_bits(&s->pb, 1, 1); |
| 358 | } |
| 359 | |
| 360 | if (run_count) |
| 361 | put_bits(&s->pb, 1, 1); |
| 362 | } |
| 363 | s->run_index = run_index; |
| 364 | |
| 365 | return 0; |
| 366 | } |
| 367 | |
| 368 | static int encode_plane(FFV1Context *s, uint8_t *src, int w, int h, |
| 369 | int stride, int plane_index) |
| 370 | { |
| 371 | int x, y, i, ret; |
| 372 | const int ring_size = s->avctx->context_model ? 3 : 2; |
| 373 | int16_t *sample[3]; |
| 374 | s->run_index = 0; |
| 375 | |
| 376 | memset(s->sample_buffer, 0, ring_size * (w + 6) * sizeof(*s->sample_buffer)); |
| 377 | |
| 378 | for (y = 0; y < h; y++) { |
| 379 | for (i = 0; i < ring_size; i++) |
| 380 | sample[i] = s->sample_buffer + (w + 6) * ((h + i - y) % ring_size) + 3; |
| 381 | |
| 382 | sample[0][-1]= sample[1][0 ]; |
| 383 | sample[1][ w]= sample[1][w-1]; |
| 384 | // { START_TIMER |
| 385 | if (s->bits_per_raw_sample <= 8) { |
| 386 | for (x = 0; x < w; x++) |
| 387 | sample[0][x] = src[x + stride * y]; |
| 388 | if((ret = encode_line(s, w, sample, plane_index, 8)) < 0) |
| 389 | return ret; |
| 390 | } else { |
| 391 | if (s->packed_at_lsb) { |
| 392 | for (x = 0; x < w; x++) { |
| 393 | sample[0][x] = ((uint16_t*)(src + stride*y))[x]; |
| 394 | } |
| 395 | } else { |
| 396 | for (x = 0; x < w; x++) { |
| 397 | sample[0][x] = ((uint16_t*)(src + stride*y))[x] >> (16 - s->bits_per_raw_sample); |
| 398 | } |
| 399 | } |
| 400 | if((ret = encode_line(s, w, sample, plane_index, s->bits_per_raw_sample)) < 0) |
| 401 | return ret; |
| 402 | } |
| 403 | // STOP_TIMER("encode line") } |
| 404 | } |
| 405 | return 0; |
| 406 | } |
| 407 | |
| 408 | static int encode_rgb_frame(FFV1Context *s, uint8_t *src[3], int w, int h, const int stride[3]) |
| 409 | { |
| 410 | int x, y, p, i; |
| 411 | const int ring_size = s->avctx->context_model ? 3 : 2; |
| 412 | int16_t *sample[4][3]; |
| 413 | int lbd = s->bits_per_raw_sample <= 8; |
| 414 | int bits = s->bits_per_raw_sample > 0 ? s->bits_per_raw_sample : 8; |
| 415 | int offset = 1 << bits; |
| 416 | |
| 417 | s->run_index = 0; |
| 418 | |
| 419 | memset(s->sample_buffer, 0, ring_size * MAX_PLANES * |
| 420 | (w + 6) * sizeof(*s->sample_buffer)); |
| 421 | |
| 422 | for (y = 0; y < h; y++) { |
| 423 | for (i = 0; i < ring_size; i++) |
| 424 | for (p = 0; p < MAX_PLANES; p++) |
| 425 | sample[p][i]= s->sample_buffer + p*ring_size*(w+6) + ((h+i-y)%ring_size)*(w+6) + 3; |
| 426 | |
| 427 | for (x = 0; x < w; x++) { |
| 428 | int b, g, r, av_uninit(a); |
| 429 | if (lbd) { |
| 430 | unsigned v = *((uint32_t*)(src[0] + x*4 + stride[0]*y)); |
| 431 | b = v & 0xFF; |
| 432 | g = (v >> 8) & 0xFF; |
| 433 | r = (v >> 16) & 0xFF; |
| 434 | a = v >> 24; |
| 435 | } else { |
| 436 | b = *((uint16_t*)(src[0] + x*2 + stride[0]*y)); |
| 437 | g = *((uint16_t*)(src[1] + x*2 + stride[1]*y)); |
| 438 | r = *((uint16_t*)(src[2] + x*2 + stride[2]*y)); |
| 439 | } |
| 440 | |
| 441 | if (s->slice_coding_mode != 1) { |
| 442 | b -= g; |
| 443 | r -= g; |
| 444 | g += (b * s->slice_rct_by_coef + r * s->slice_rct_ry_coef) >> 2; |
| 445 | b += offset; |
| 446 | r += offset; |
| 447 | } |
| 448 | |
| 449 | sample[0][0][x] = g; |
| 450 | sample[1][0][x] = b; |
| 451 | sample[2][0][x] = r; |
| 452 | sample[3][0][x] = a; |
| 453 | } |
| 454 | for (p = 0; p < 3 + s->transparency; p++) { |
| 455 | int ret; |
| 456 | sample[p][0][-1] = sample[p][1][0 ]; |
| 457 | sample[p][1][ w] = sample[p][1][w-1]; |
| 458 | if (lbd && s->slice_coding_mode == 0) |
| 459 | ret = encode_line(s, w, sample[p], (p + 1) / 2, 9); |
| 460 | else |
| 461 | ret = encode_line(s, w, sample[p], (p + 1) / 2, bits + (s->slice_coding_mode != 1)); |
| 462 | if (ret < 0) |
| 463 | return ret; |
| 464 | } |
| 465 | } |
| 466 | return 0; |
| 467 | } |
| 468 | |
| 469 | static void write_quant_table(RangeCoder *c, int16_t *quant_table) |
| 470 | { |
| 471 | int last = 0; |
| 472 | int i; |
| 473 | uint8_t state[CONTEXT_SIZE]; |
| 474 | memset(state, 128, sizeof(state)); |
| 475 | |
| 476 | for (i = 1; i < 128; i++) |
| 477 | if (quant_table[i] != quant_table[i - 1]) { |
| 478 | put_symbol(c, state, i - last - 1, 0); |
| 479 | last = i; |
| 480 | } |
| 481 | put_symbol(c, state, i - last - 1, 0); |
| 482 | } |
| 483 | |
| 484 | static void write_quant_tables(RangeCoder *c, |
| 485 | int16_t quant_table[MAX_CONTEXT_INPUTS][256]) |
| 486 | { |
| 487 | int i; |
| 488 | for (i = 0; i < 5; i++) |
| 489 | write_quant_table(c, quant_table[i]); |
| 490 | } |
| 491 | |
| 492 | static void write_header(FFV1Context *f) |
| 493 | { |
| 494 | uint8_t state[CONTEXT_SIZE]; |
| 495 | int i, j; |
| 496 | RangeCoder *const c = &f->slice_context[0]->c; |
| 497 | |
| 498 | memset(state, 128, sizeof(state)); |
| 499 | |
| 500 | if (f->version < 2) { |
| 501 | put_symbol(c, state, f->version, 0); |
| 502 | put_symbol(c, state, f->ac, 0); |
| 503 | if (f->ac > 1) { |
| 504 | for (i = 1; i < 256; i++) |
| 505 | put_symbol(c, state, |
| 506 | f->state_transition[i] - c->one_state[i], 1); |
| 507 | } |
| 508 | put_symbol(c, state, f->colorspace, 0); //YUV cs type |
| 509 | if (f->version > 0) |
| 510 | put_symbol(c, state, f->bits_per_raw_sample, 0); |
| 511 | put_rac(c, state, f->chroma_planes); |
| 512 | put_symbol(c, state, f->chroma_h_shift, 0); |
| 513 | put_symbol(c, state, f->chroma_v_shift, 0); |
| 514 | put_rac(c, state, f->transparency); |
| 515 | |
| 516 | write_quant_tables(c, f->quant_table); |
| 517 | } else if (f->version < 3) { |
| 518 | put_symbol(c, state, f->slice_count, 0); |
| 519 | for (i = 0; i < f->slice_count; i++) { |
| 520 | FFV1Context *fs = f->slice_context[i]; |
| 521 | put_symbol(c, state, |
| 522 | (fs->slice_x + 1) * f->num_h_slices / f->width, 0); |
| 523 | put_symbol(c, state, |
| 524 | (fs->slice_y + 1) * f->num_v_slices / f->height, 0); |
| 525 | put_symbol(c, state, |
| 526 | (fs->slice_width + 1) * f->num_h_slices / f->width - 1, |
| 527 | 0); |
| 528 | put_symbol(c, state, |
| 529 | (fs->slice_height + 1) * f->num_v_slices / f->height - 1, |
| 530 | 0); |
| 531 | for (j = 0; j < f->plane_count; j++) { |
| 532 | put_symbol(c, state, f->plane[j].quant_table_index, 0); |
| 533 | av_assert0(f->plane[j].quant_table_index == f->avctx->context_model); |
| 534 | } |
| 535 | } |
| 536 | } |
| 537 | } |
| 538 | |
| 539 | static int write_extradata(FFV1Context *f) |
| 540 | { |
| 541 | RangeCoder *const c = &f->c; |
| 542 | uint8_t state[CONTEXT_SIZE]; |
| 543 | int i, j, k; |
| 544 | uint8_t state2[32][CONTEXT_SIZE]; |
| 545 | unsigned v; |
| 546 | |
| 547 | memset(state2, 128, sizeof(state2)); |
| 548 | memset(state, 128, sizeof(state)); |
| 549 | |
| 550 | f->avctx->extradata_size = 10000 + 4 + |
| 551 | (11 * 11 * 5 * 5 * 5 + 11 * 11 * 11) * 32; |
| 552 | f->avctx->extradata = av_malloc(f->avctx->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE); |
| 553 | if (!f->avctx->extradata) |
| 554 | return AVERROR(ENOMEM); |
| 555 | ff_init_range_encoder(c, f->avctx->extradata, f->avctx->extradata_size); |
| 556 | ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8); |
| 557 | |
| 558 | put_symbol(c, state, f->version, 0); |
| 559 | if (f->version > 2) { |
| 560 | if (f->version == 3) { |
| 561 | f->micro_version = 4; |
| 562 | } else if (f->version == 4) |
| 563 | f->micro_version = 2; |
| 564 | put_symbol(c, state, f->micro_version, 0); |
| 565 | } |
| 566 | |
| 567 | put_symbol(c, state, f->ac, 0); |
| 568 | if (f->ac > 1) |
| 569 | for (i = 1; i < 256; i++) |
| 570 | put_symbol(c, state, f->state_transition[i] - c->one_state[i], 1); |
| 571 | |
| 572 | put_symbol(c, state, f->colorspace, 0); // YUV cs type |
| 573 | put_symbol(c, state, f->bits_per_raw_sample, 0); |
| 574 | put_rac(c, state, f->chroma_planes); |
| 575 | put_symbol(c, state, f->chroma_h_shift, 0); |
| 576 | put_symbol(c, state, f->chroma_v_shift, 0); |
| 577 | put_rac(c, state, f->transparency); |
| 578 | put_symbol(c, state, f->num_h_slices - 1, 0); |
| 579 | put_symbol(c, state, f->num_v_slices - 1, 0); |
| 580 | |
| 581 | put_symbol(c, state, f->quant_table_count, 0); |
| 582 | for (i = 0; i < f->quant_table_count; i++) |
| 583 | write_quant_tables(c, f->quant_tables[i]); |
| 584 | |
| 585 | for (i = 0; i < f->quant_table_count; i++) { |
| 586 | for (j = 0; j < f->context_count[i] * CONTEXT_SIZE; j++) |
| 587 | if (f->initial_states[i] && f->initial_states[i][0][j] != 128) |
| 588 | break; |
| 589 | if (j < f->context_count[i] * CONTEXT_SIZE) { |
| 590 | put_rac(c, state, 1); |
| 591 | for (j = 0; j < f->context_count[i]; j++) |
| 592 | for (k = 0; k < CONTEXT_SIZE; k++) { |
| 593 | int pred = j ? f->initial_states[i][j - 1][k] : 128; |
| 594 | put_symbol(c, state2[k], |
| 595 | (int8_t)(f->initial_states[i][j][k] - pred), 1); |
| 596 | } |
| 597 | } else { |
| 598 | put_rac(c, state, 0); |
| 599 | } |
| 600 | } |
| 601 | |
| 602 | if (f->version > 2) { |
| 603 | put_symbol(c, state, f->ec, 0); |
| 604 | put_symbol(c, state, f->intra = (f->avctx->gop_size < 2), 0); |
| 605 | } |
| 606 | |
| 607 | f->avctx->extradata_size = ff_rac_terminate(c); |
| 608 | v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, f->avctx->extradata, f->avctx->extradata_size); |
| 609 | AV_WL32(f->avctx->extradata + f->avctx->extradata_size, v); |
| 610 | f->avctx->extradata_size += 4; |
| 611 | |
| 612 | return 0; |
| 613 | } |
| 614 | |
| 615 | static int sort_stt(FFV1Context *s, uint8_t stt[256]) |
| 616 | { |
| 617 | int i, i2, changed, print = 0; |
| 618 | |
| 619 | do { |
| 620 | changed = 0; |
| 621 | for (i = 12; i < 244; i++) { |
| 622 | for (i2 = i + 1; i2 < 245 && i2 < i + 4; i2++) { |
| 623 | |
| 624 | #define COST(old, new) \ |
| 625 | s->rc_stat[old][0] * -log2((256 - (new)) / 256.0) + \ |
| 626 | s->rc_stat[old][1] * -log2((new) / 256.0) |
| 627 | |
| 628 | #define COST2(old, new) \ |
| 629 | COST(old, new) + COST(256 - (old), 256 - (new)) |
| 630 | |
| 631 | double size0 = COST2(i, i) + COST2(i2, i2); |
| 632 | double sizeX = COST2(i, i2) + COST2(i2, i); |
| 633 | if (size0 - sizeX > size0*(1e-14) && i != 128 && i2 != 128) { |
| 634 | int j; |
| 635 | FFSWAP(int, stt[i], stt[i2]); |
| 636 | FFSWAP(int, s->rc_stat[i][0], s->rc_stat[i2][0]); |
| 637 | FFSWAP(int, s->rc_stat[i][1], s->rc_stat[i2][1]); |
| 638 | if (i != 256 - i2) { |
| 639 | FFSWAP(int, stt[256 - i], stt[256 - i2]); |
| 640 | FFSWAP(int, s->rc_stat[256 - i][0], s->rc_stat[256 - i2][0]); |
| 641 | FFSWAP(int, s->rc_stat[256 - i][1], s->rc_stat[256 - i2][1]); |
| 642 | } |
| 643 | for (j = 1; j < 256; j++) { |
| 644 | if (stt[j] == i) |
| 645 | stt[j] = i2; |
| 646 | else if (stt[j] == i2) |
| 647 | stt[j] = i; |
| 648 | if (i != 256 - i2) { |
| 649 | if (stt[256 - j] == 256 - i) |
| 650 | stt[256 - j] = 256 - i2; |
| 651 | else if (stt[256 - j] == 256 - i2) |
| 652 | stt[256 - j] = 256 - i; |
| 653 | } |
| 654 | } |
| 655 | print = changed = 1; |
| 656 | } |
| 657 | } |
| 658 | } |
| 659 | } while (changed); |
| 660 | return print; |
| 661 | } |
| 662 | |
| 663 | static av_cold int encode_init(AVCodecContext *avctx) |
| 664 | { |
| 665 | FFV1Context *s = avctx->priv_data; |
| 666 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt); |
| 667 | int i, j, k, m, ret; |
| 668 | |
| 669 | if ((ret = ffv1_common_init(avctx)) < 0) |
| 670 | return ret; |
| 671 | |
| 672 | s->version = 0; |
| 673 | |
| 674 | if ((avctx->flags & (CODEC_FLAG_PASS1|CODEC_FLAG_PASS2)) || avctx->slices>1) |
| 675 | s->version = FFMAX(s->version, 2); |
| 676 | |
| 677 | // Unspecified level & slices, we choose version 1.2+ to ensure multithreaded decodability |
| 678 | if (avctx->slices == 0 && avctx->level < 0 && avctx->width * avctx->height > 720*576) |
| 679 | s->version = FFMAX(s->version, 2); |
| 680 | |
| 681 | if (avctx->level <= 0 && s->version == 2) { |
| 682 | s->version = 3; |
| 683 | } |
| 684 | if (avctx->level >= 0 && avctx->level <= 4) |
| 685 | s->version = FFMAX(s->version, avctx->level); |
| 686 | |
| 687 | if (s->ec < 0) { |
| 688 | s->ec = (s->version >= 3); |
| 689 | } |
| 690 | |
| 691 | if ((s->version == 2 || s->version>3) && avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) { |
| 692 | av_log(avctx, AV_LOG_ERROR, "Version 2 needed for requested features but version 2 is experimental and not enabled\n"); |
| 693 | return AVERROR_INVALIDDATA; |
| 694 | } |
| 695 | |
| 696 | s->ac = avctx->coder_type > 0 ? 2 : 0; |
| 697 | |
| 698 | s->plane_count = 3; |
| 699 | switch(avctx->pix_fmt) { |
| 700 | case AV_PIX_FMT_YUV444P9: |
| 701 | case AV_PIX_FMT_YUV422P9: |
| 702 | case AV_PIX_FMT_YUV420P9: |
| 703 | case AV_PIX_FMT_YUVA444P9: |
| 704 | case AV_PIX_FMT_YUVA422P9: |
| 705 | case AV_PIX_FMT_YUVA420P9: |
| 706 | if (!avctx->bits_per_raw_sample) |
| 707 | s->bits_per_raw_sample = 9; |
| 708 | case AV_PIX_FMT_YUV444P10: |
| 709 | case AV_PIX_FMT_YUV420P10: |
| 710 | case AV_PIX_FMT_YUV422P10: |
| 711 | case AV_PIX_FMT_YUVA444P10: |
| 712 | case AV_PIX_FMT_YUVA422P10: |
| 713 | case AV_PIX_FMT_YUVA420P10: |
| 714 | s->packed_at_lsb = 1; |
| 715 | if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) |
| 716 | s->bits_per_raw_sample = 10; |
| 717 | case AV_PIX_FMT_GRAY16: |
| 718 | case AV_PIX_FMT_YUV444P16: |
| 719 | case AV_PIX_FMT_YUV422P16: |
| 720 | case AV_PIX_FMT_YUV420P16: |
| 721 | case AV_PIX_FMT_YUVA444P16: |
| 722 | case AV_PIX_FMT_YUVA422P16: |
| 723 | case AV_PIX_FMT_YUVA420P16: |
| 724 | if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) { |
| 725 | s->bits_per_raw_sample = 16; |
| 726 | } else if (!s->bits_per_raw_sample) { |
| 727 | s->bits_per_raw_sample = avctx->bits_per_raw_sample; |
| 728 | } |
| 729 | if (s->bits_per_raw_sample <= 8) { |
| 730 | av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample invalid\n"); |
| 731 | return AVERROR_INVALIDDATA; |
| 732 | } |
| 733 | if (!s->ac && avctx->coder_type == -1) { |
| 734 | av_log(avctx, AV_LOG_INFO, "bits_per_raw_sample > 8, forcing coder 1\n"); |
| 735 | s->ac = 2; |
| 736 | } |
| 737 | if (!s->ac) { |
| 738 | av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample of more than 8 needs -coder 1 currently\n"); |
| 739 | return AVERROR(ENOSYS); |
| 740 | } |
| 741 | s->version = FFMAX(s->version, 1); |
| 742 | case AV_PIX_FMT_GRAY8: |
| 743 | case AV_PIX_FMT_YUV444P: |
| 744 | case AV_PIX_FMT_YUV440P: |
| 745 | case AV_PIX_FMT_YUV422P: |
| 746 | case AV_PIX_FMT_YUV420P: |
| 747 | case AV_PIX_FMT_YUV411P: |
| 748 | case AV_PIX_FMT_YUV410P: |
| 749 | case AV_PIX_FMT_YUVA444P: |
| 750 | case AV_PIX_FMT_YUVA422P: |
| 751 | case AV_PIX_FMT_YUVA420P: |
| 752 | s->chroma_planes = desc->nb_components < 3 ? 0 : 1; |
| 753 | s->colorspace = 0; |
| 754 | s->transparency = desc->nb_components == 4; |
| 755 | break; |
| 756 | case AV_PIX_FMT_RGB32: |
| 757 | s->colorspace = 1; |
| 758 | s->transparency = 1; |
| 759 | s->chroma_planes = 1; |
| 760 | break; |
| 761 | case AV_PIX_FMT_0RGB32: |
| 762 | s->colorspace = 1; |
| 763 | s->chroma_planes = 1; |
| 764 | break; |
| 765 | case AV_PIX_FMT_GBRP9: |
| 766 | if (!avctx->bits_per_raw_sample) |
| 767 | s->bits_per_raw_sample = 9; |
| 768 | case AV_PIX_FMT_GBRP10: |
| 769 | if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) |
| 770 | s->bits_per_raw_sample = 10; |
| 771 | case AV_PIX_FMT_GBRP12: |
| 772 | if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) |
| 773 | s->bits_per_raw_sample = 12; |
| 774 | case AV_PIX_FMT_GBRP14: |
| 775 | if (!avctx->bits_per_raw_sample && !s->bits_per_raw_sample) |
| 776 | s->bits_per_raw_sample = 14; |
| 777 | else if (!s->bits_per_raw_sample) |
| 778 | s->bits_per_raw_sample = avctx->bits_per_raw_sample; |
| 779 | s->colorspace = 1; |
| 780 | s->chroma_planes = 1; |
| 781 | s->version = FFMAX(s->version, 1); |
| 782 | if (!s->ac) { |
| 783 | av_log(avctx, AV_LOG_ERROR, "bits_per_raw_sample of more than 8 needs -coder 1 currently\n"); |
| 784 | return AVERROR(ENOSYS); |
| 785 | } |
| 786 | break; |
| 787 | default: |
| 788 | av_log(avctx, AV_LOG_ERROR, "format not supported\n"); |
| 789 | return AVERROR(ENOSYS); |
| 790 | } |
| 791 | if (s->transparency) { |
| 792 | av_log(avctx, AV_LOG_WARNING, "Storing alpha plane, this will require a recent FFV1 decoder to playback!\n"); |
| 793 | } |
| 794 | if (avctx->context_model > 1U) { |
| 795 | av_log(avctx, AV_LOG_ERROR, "Invalid context model %d, valid values are 0 and 1\n", avctx->context_model); |
| 796 | return AVERROR(EINVAL); |
| 797 | } |
| 798 | |
| 799 | if (s->ac > 1) |
| 800 | for (i = 1; i < 256; i++) |
| 801 | s->state_transition[i] = ver2_state[i]; |
| 802 | |
| 803 | for (i = 0; i < 256; i++) { |
| 804 | s->quant_table_count = 2; |
| 805 | if (s->bits_per_raw_sample <= 8) { |
| 806 | s->quant_tables[0][0][i]= quant11[i]; |
| 807 | s->quant_tables[0][1][i]= 11*quant11[i]; |
| 808 | s->quant_tables[0][2][i]= 11*11*quant11[i]; |
| 809 | s->quant_tables[1][0][i]= quant11[i]; |
| 810 | s->quant_tables[1][1][i]= 11*quant11[i]; |
| 811 | s->quant_tables[1][2][i]= 11*11*quant5 [i]; |
| 812 | s->quant_tables[1][3][i]= 5*11*11*quant5 [i]; |
| 813 | s->quant_tables[1][4][i]= 5*5*11*11*quant5 [i]; |
| 814 | } else { |
| 815 | s->quant_tables[0][0][i]= quant9_10bit[i]; |
| 816 | s->quant_tables[0][1][i]= 11*quant9_10bit[i]; |
| 817 | s->quant_tables[0][2][i]= 11*11*quant9_10bit[i]; |
| 818 | s->quant_tables[1][0][i]= quant9_10bit[i]; |
| 819 | s->quant_tables[1][1][i]= 11*quant9_10bit[i]; |
| 820 | s->quant_tables[1][2][i]= 11*11*quant5_10bit[i]; |
| 821 | s->quant_tables[1][3][i]= 5*11*11*quant5_10bit[i]; |
| 822 | s->quant_tables[1][4][i]= 5*5*11*11*quant5_10bit[i]; |
| 823 | } |
| 824 | } |
| 825 | s->context_count[0] = (11 * 11 * 11 + 1) / 2; |
| 826 | s->context_count[1] = (11 * 11 * 5 * 5 * 5 + 1) / 2; |
| 827 | memcpy(s->quant_table, s->quant_tables[avctx->context_model], |
| 828 | sizeof(s->quant_table)); |
| 829 | |
| 830 | for (i = 0; i < s->plane_count; i++) { |
| 831 | PlaneContext *const p = &s->plane[i]; |
| 832 | |
| 833 | memcpy(p->quant_table, s->quant_table, sizeof(p->quant_table)); |
| 834 | p->quant_table_index = avctx->context_model; |
| 835 | p->context_count = s->context_count[p->quant_table_index]; |
| 836 | } |
| 837 | |
| 838 | if ((ret = ffv1_allocate_initial_states(s)) < 0) |
| 839 | return ret; |
| 840 | |
| 841 | avctx->coded_frame = av_frame_alloc(); |
| 842 | if (!avctx->coded_frame) |
| 843 | return AVERROR(ENOMEM); |
| 844 | |
| 845 | avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; |
| 846 | |
| 847 | if (!s->transparency) |
| 848 | s->plane_count = 2; |
| 849 | if (!s->chroma_planes && s->version > 3) |
| 850 | s->plane_count--; |
| 851 | |
| 852 | avcodec_get_chroma_sub_sample(avctx->pix_fmt, &s->chroma_h_shift, &s->chroma_v_shift); |
| 853 | s->picture_number = 0; |
| 854 | |
| 855 | if (avctx->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) { |
| 856 | for (i = 0; i < s->quant_table_count; i++) { |
| 857 | s->rc_stat2[i] = av_mallocz(s->context_count[i] * |
| 858 | sizeof(*s->rc_stat2[i])); |
| 859 | if (!s->rc_stat2[i]) |
| 860 | return AVERROR(ENOMEM); |
| 861 | } |
| 862 | } |
| 863 | if (avctx->stats_in) { |
| 864 | char *p = avctx->stats_in; |
| 865 | uint8_t (*best_state)[256] = av_malloc_array(256, 256); |
| 866 | int gob_count = 0; |
| 867 | char *next; |
| 868 | if (!best_state) |
| 869 | return AVERROR(ENOMEM); |
| 870 | |
| 871 | av_assert0(s->version >= 2); |
| 872 | |
| 873 | for (;;) { |
| 874 | for (j = 0; j < 256; j++) |
| 875 | for (i = 0; i < 2; i++) { |
| 876 | s->rc_stat[j][i] = strtol(p, &next, 0); |
| 877 | if (next == p) { |
| 878 | av_log(avctx, AV_LOG_ERROR, |
| 879 | "2Pass file invalid at %d %d [%s]\n", j, i, p); |
| 880 | av_freep(&best_state); |
| 881 | return AVERROR_INVALIDDATA; |
| 882 | } |
| 883 | p = next; |
| 884 | } |
| 885 | for (i = 0; i < s->quant_table_count; i++) |
| 886 | for (j = 0; j < s->context_count[i]; j++) { |
| 887 | for (k = 0; k < 32; k++) |
| 888 | for (m = 0; m < 2; m++) { |
| 889 | s->rc_stat2[i][j][k][m] = strtol(p, &next, 0); |
| 890 | if (next == p) { |
| 891 | av_log(avctx, AV_LOG_ERROR, |
| 892 | "2Pass file invalid at %d %d %d %d [%s]\n", |
| 893 | i, j, k, m, p); |
| 894 | av_freep(&best_state); |
| 895 | return AVERROR_INVALIDDATA; |
| 896 | } |
| 897 | p = next; |
| 898 | } |
| 899 | } |
| 900 | gob_count = strtol(p, &next, 0); |
| 901 | if (next == p || gob_count <= 0) { |
| 902 | av_log(avctx, AV_LOG_ERROR, "2Pass file invalid\n"); |
| 903 | av_freep(&best_state); |
| 904 | return AVERROR_INVALIDDATA; |
| 905 | } |
| 906 | p = next; |
| 907 | while (*p == '\n' || *p == ' ') |
| 908 | p++; |
| 909 | if (p[0] == 0) |
| 910 | break; |
| 911 | } |
| 912 | sort_stt(s, s->state_transition); |
| 913 | |
| 914 | find_best_state(best_state, s->state_transition); |
| 915 | |
| 916 | for (i = 0; i < s->quant_table_count; i++) { |
| 917 | for (k = 0; k < 32; k++) { |
| 918 | double a=0, b=0; |
| 919 | int jp = 0; |
| 920 | for (j = 0; j < s->context_count[i]; j++) { |
| 921 | double p = 128; |
| 922 | if (s->rc_stat2[i][j][k][0] + s->rc_stat2[i][j][k][1] > 200 && j || a+b > 200) { |
| 923 | if (a+b) |
| 924 | p = 256.0 * b / (a + b); |
| 925 | s->initial_states[i][jp][k] = |
| 926 | best_state[av_clip(round(p), 1, 255)][av_clip((a + b) / gob_count, 0, 255)]; |
| 927 | for(jp++; jp<j; jp++) |
| 928 | s->initial_states[i][jp][k] = s->initial_states[i][jp-1][k]; |
| 929 | a=b=0; |
| 930 | } |
| 931 | a += s->rc_stat2[i][j][k][0]; |
| 932 | b += s->rc_stat2[i][j][k][1]; |
| 933 | if (a+b) { |
| 934 | p = 256.0 * b / (a + b); |
| 935 | } |
| 936 | s->initial_states[i][j][k] = |
| 937 | best_state[av_clip(round(p), 1, 255)][av_clip((a + b) / gob_count, 0, 255)]; |
| 938 | } |
| 939 | } |
| 940 | } |
| 941 | av_freep(&best_state); |
| 942 | } |
| 943 | |
| 944 | if (s->version > 1) { |
| 945 | s->num_v_slices = (avctx->width > 352 || avctx->height > 288 || !avctx->slices) ? 2 : 1; |
| 946 | for (; s->num_v_slices < 9; s->num_v_slices++) { |
| 947 | for (s->num_h_slices = s->num_v_slices; s->num_h_slices < 2*s->num_v_slices; s->num_h_slices++) { |
| 948 | if (avctx->slices == s->num_h_slices * s->num_v_slices && avctx->slices <= 64 || !avctx->slices) |
| 949 | goto slices_ok; |
| 950 | } |
| 951 | } |
| 952 | av_log(avctx, AV_LOG_ERROR, |
| 953 | "Unsupported number %d of slices requested, please specify a " |
| 954 | "supported number with -slices (ex:4,6,9,12,16, ...)\n", |
| 955 | avctx->slices); |
| 956 | return AVERROR(ENOSYS); |
| 957 | slices_ok: |
| 958 | if ((ret = write_extradata(s)) < 0) |
| 959 | return ret; |
| 960 | } |
| 961 | |
| 962 | if ((ret = ffv1_init_slice_contexts(s)) < 0) |
| 963 | return ret; |
| 964 | if ((ret = ffv1_init_slices_state(s)) < 0) |
| 965 | return ret; |
| 966 | |
| 967 | #define STATS_OUT_SIZE 1024 * 1024 * 6 |
| 968 | if (avctx->flags & CODEC_FLAG_PASS1) { |
| 969 | avctx->stats_out = av_mallocz(STATS_OUT_SIZE); |
| 970 | if (!avctx->stats_out) |
| 971 | return AVERROR(ENOMEM); |
| 972 | for (i = 0; i < s->quant_table_count; i++) |
| 973 | for (j = 0; j < s->slice_count; j++) { |
| 974 | FFV1Context *sf = s->slice_context[j]; |
| 975 | av_assert0(!sf->rc_stat2[i]); |
| 976 | sf->rc_stat2[i] = av_mallocz(s->context_count[i] * |
| 977 | sizeof(*sf->rc_stat2[i])); |
| 978 | if (!sf->rc_stat2[i]) |
| 979 | return AVERROR(ENOMEM); |
| 980 | } |
| 981 | } |
| 982 | |
| 983 | return 0; |
| 984 | } |
| 985 | |
| 986 | static void encode_slice_header(FFV1Context *f, FFV1Context *fs) |
| 987 | { |
| 988 | RangeCoder *c = &fs->c; |
| 989 | uint8_t state[CONTEXT_SIZE]; |
| 990 | int j; |
| 991 | memset(state, 128, sizeof(state)); |
| 992 | |
| 993 | put_symbol(c, state, (fs->slice_x +1)*f->num_h_slices / f->width , 0); |
| 994 | put_symbol(c, state, (fs->slice_y +1)*f->num_v_slices / f->height , 0); |
| 995 | put_symbol(c, state, (fs->slice_width +1)*f->num_h_slices / f->width -1, 0); |
| 996 | put_symbol(c, state, (fs->slice_height+1)*f->num_v_slices / f->height-1, 0); |
| 997 | for (j=0; j<f->plane_count; j++) { |
| 998 | put_symbol(c, state, f->plane[j].quant_table_index, 0); |
| 999 | av_assert0(f->plane[j].quant_table_index == f->avctx->context_model); |
| 1000 | } |
| 1001 | if (!f->picture.f->interlaced_frame) |
| 1002 | put_symbol(c, state, 3, 0); |
| 1003 | else |
| 1004 | put_symbol(c, state, 1 + !f->picture.f->top_field_first, 0); |
| 1005 | put_symbol(c, state, f->picture.f->sample_aspect_ratio.num, 0); |
| 1006 | put_symbol(c, state, f->picture.f->sample_aspect_ratio.den, 0); |
| 1007 | if (f->version > 3) { |
| 1008 | put_rac(c, state, fs->slice_coding_mode == 1); |
| 1009 | if (fs->slice_coding_mode == 1) |
| 1010 | ffv1_clear_slice_state(f, fs); |
| 1011 | put_symbol(c, state, fs->slice_coding_mode, 0); |
| 1012 | if (fs->slice_coding_mode != 1) { |
| 1013 | put_symbol(c, state, fs->slice_rct_by_coef, 0); |
| 1014 | put_symbol(c, state, fs->slice_rct_ry_coef, 0); |
| 1015 | } |
| 1016 | } |
| 1017 | } |
| 1018 | |
| 1019 | static void choose_rct_params(FFV1Context *fs, uint8_t *src[3], const int stride[3], int w, int h) |
| 1020 | { |
| 1021 | #define NB_Y_COEFF 15 |
| 1022 | static const int rct_y_coeff[15][2] = { |
| 1023 | {0, 0}, // 4G |
| 1024 | {1, 1}, // R + 2G + B |
| 1025 | {2, 2}, // 2R + 2B |
| 1026 | {0, 2}, // 2G + 2B |
| 1027 | {2, 0}, // 2R + 2G |
| 1028 | {4, 0}, // 4R |
| 1029 | {0, 4}, // 4B |
| 1030 | |
| 1031 | {0, 3}, // 1G + 3B |
| 1032 | {3, 0}, // 3R + 1G |
| 1033 | {3, 1}, // 3R + B |
| 1034 | {1, 3}, // R + 3B |
| 1035 | {1, 2}, // R + G + 2B |
| 1036 | {2, 1}, // 2R + G + B |
| 1037 | {0, 1}, // 3G + B |
| 1038 | {1, 0}, // R + 3G |
| 1039 | }; |
| 1040 | |
| 1041 | int stat[NB_Y_COEFF] = {0}; |
| 1042 | int x, y, i, p, best; |
| 1043 | int16_t *sample[3]; |
| 1044 | int lbd = fs->bits_per_raw_sample <= 8; |
| 1045 | |
| 1046 | for (y = 0; y < h; y++) { |
| 1047 | int lastr=0, lastg=0, lastb=0; |
| 1048 | for (p = 0; p < 3; p++) |
| 1049 | sample[p] = fs->sample_buffer + p*w; |
| 1050 | |
| 1051 | for (x = 0; x < w; x++) { |
| 1052 | int b, g, r; |
| 1053 | int ab, ag, ar; |
| 1054 | if (lbd) { |
| 1055 | unsigned v = *((uint32_t*)(src[0] + x*4 + stride[0]*y)); |
| 1056 | b = v & 0xFF; |
| 1057 | g = (v >> 8) & 0xFF; |
| 1058 | r = (v >> 16) & 0xFF; |
| 1059 | } else { |
| 1060 | b = *((uint16_t*)(src[0] + x*2 + stride[0]*y)); |
| 1061 | g = *((uint16_t*)(src[1] + x*2 + stride[1]*y)); |
| 1062 | r = *((uint16_t*)(src[2] + x*2 + stride[2]*y)); |
| 1063 | } |
| 1064 | |
| 1065 | ar = r - lastr; |
| 1066 | ag = g - lastg; |
| 1067 | ab = b - lastb; |
| 1068 | if (x && y) { |
| 1069 | int bg = ag - sample[0][x]; |
| 1070 | int bb = ab - sample[1][x]; |
| 1071 | int br = ar - sample[2][x]; |
| 1072 | |
| 1073 | br -= bg; |
| 1074 | bb -= bg; |
| 1075 | |
| 1076 | for (i = 0; i<NB_Y_COEFF; i++) { |
| 1077 | stat[i] += FFABS(bg + ((br*rct_y_coeff[i][0] + bb*rct_y_coeff[i][1])>>2)); |
| 1078 | } |
| 1079 | |
| 1080 | } |
| 1081 | sample[0][x] = ag; |
| 1082 | sample[1][x] = ab; |
| 1083 | sample[2][x] = ar; |
| 1084 | |
| 1085 | lastr = r; |
| 1086 | lastg = g; |
| 1087 | lastb = b; |
| 1088 | } |
| 1089 | } |
| 1090 | |
| 1091 | best = 0; |
| 1092 | for (i=1; i<NB_Y_COEFF; i++) { |
| 1093 | if (stat[i] < stat[best]) |
| 1094 | best = i; |
| 1095 | } |
| 1096 | |
| 1097 | fs->slice_rct_by_coef = rct_y_coeff[best][1]; |
| 1098 | fs->slice_rct_ry_coef = rct_y_coeff[best][0]; |
| 1099 | } |
| 1100 | |
| 1101 | static int encode_slice(AVCodecContext *c, void *arg) |
| 1102 | { |
| 1103 | FFV1Context *fs = *(void **)arg; |
| 1104 | FFV1Context *f = fs->avctx->priv_data; |
| 1105 | int width = fs->slice_width; |
| 1106 | int height = fs->slice_height; |
| 1107 | int x = fs->slice_x; |
| 1108 | int y = fs->slice_y; |
| 1109 | const AVFrame *const p = f->picture.f; |
| 1110 | const int ps = av_pix_fmt_desc_get(c->pix_fmt)->comp[0].step_minus1 + 1; |
| 1111 | int ret; |
| 1112 | RangeCoder c_bak = fs->c; |
| 1113 | uint8_t *planes[3] = {p->data[0] + ps*x + y*p->linesize[0], |
| 1114 | p->data[1] + ps*x + y*p->linesize[1], |
| 1115 | p->data[2] + ps*x + y*p->linesize[2]}; |
| 1116 | |
| 1117 | fs->slice_coding_mode = 0; |
| 1118 | if (f->version > 3) { |
| 1119 | choose_rct_params(fs, planes, p->linesize, width, height); |
| 1120 | } else { |
| 1121 | fs->slice_rct_by_coef = 1; |
| 1122 | fs->slice_rct_ry_coef = 1; |
| 1123 | } |
| 1124 | |
| 1125 | retry: |
| 1126 | if (c->coded_frame->key_frame) |
| 1127 | ffv1_clear_slice_state(f, fs); |
| 1128 | if (f->version > 2) { |
| 1129 | encode_slice_header(f, fs); |
| 1130 | } |
| 1131 | if (!fs->ac) { |
| 1132 | if (f->version > 2) |
| 1133 | put_rac(&fs->c, (uint8_t[]) { 129 }, 0); |
| 1134 | fs->ac_byte_count = f->version > 2 || (!x && !y) ? ff_rac_terminate(&fs->c) : 0; |
| 1135 | init_put_bits(&fs->pb, |
| 1136 | fs->c.bytestream_start + fs->ac_byte_count, |
| 1137 | fs->c.bytestream_end - fs->c.bytestream_start - fs->ac_byte_count); |
| 1138 | } |
| 1139 | |
| 1140 | if (f->colorspace == 0) { |
| 1141 | const int chroma_width = FF_CEIL_RSHIFT(width, f->chroma_h_shift); |
| 1142 | const int chroma_height = FF_CEIL_RSHIFT(height, f->chroma_v_shift); |
| 1143 | const int cx = x >> f->chroma_h_shift; |
| 1144 | const int cy = y >> f->chroma_v_shift; |
| 1145 | |
| 1146 | ret = encode_plane(fs, p->data[0] + ps*x + y*p->linesize[0], width, height, p->linesize[0], 0); |
| 1147 | |
| 1148 | if (f->chroma_planes) { |
| 1149 | ret |= encode_plane(fs, p->data[1] + ps*cx+cy*p->linesize[1], chroma_width, chroma_height, p->linesize[1], 1); |
| 1150 | ret |= encode_plane(fs, p->data[2] + ps*cx+cy*p->linesize[2], chroma_width, chroma_height, p->linesize[2], 1); |
| 1151 | } |
| 1152 | if (fs->transparency) |
| 1153 | ret |= encode_plane(fs, p->data[3] + ps*x + y*p->linesize[3], width, height, p->linesize[3], 2); |
| 1154 | } else { |
| 1155 | ret = encode_rgb_frame(fs, planes, width, height, p->linesize); |
| 1156 | } |
| 1157 | emms_c(); |
| 1158 | |
| 1159 | if (ret < 0) { |
| 1160 | av_assert0(fs->slice_coding_mode == 0); |
| 1161 | if (fs->version < 4 || !fs->ac) { |
| 1162 | av_log(c, AV_LOG_ERROR, "Buffer too small\n"); |
| 1163 | return ret; |
| 1164 | } |
| 1165 | av_log(c, AV_LOG_DEBUG, "Coding slice as PCM\n"); |
| 1166 | fs->slice_coding_mode = 1; |
| 1167 | fs->c = c_bak; |
| 1168 | goto retry; |
| 1169 | } |
| 1170 | |
| 1171 | return 0; |
| 1172 | } |
| 1173 | |
| 1174 | static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, |
| 1175 | const AVFrame *pict, int *got_packet) |
| 1176 | { |
| 1177 | FFV1Context *f = avctx->priv_data; |
| 1178 | RangeCoder *const c = &f->slice_context[0]->c; |
| 1179 | AVFrame *const p = f->picture.f; |
| 1180 | int used_count = 0; |
| 1181 | uint8_t keystate = 128; |
| 1182 | uint8_t *buf_p; |
| 1183 | int i, ret; |
| 1184 | int64_t maxsize = FF_MIN_BUFFER_SIZE |
| 1185 | + avctx->width*avctx->height*35LL*4; |
| 1186 | |
| 1187 | if(!pict) { |
| 1188 | if (avctx->flags & CODEC_FLAG_PASS1) { |
| 1189 | int j, k, m; |
| 1190 | char *p = avctx->stats_out; |
| 1191 | char *end = p + STATS_OUT_SIZE; |
| 1192 | |
| 1193 | memset(f->rc_stat, 0, sizeof(f->rc_stat)); |
| 1194 | for (i = 0; i < f->quant_table_count; i++) |
| 1195 | memset(f->rc_stat2[i], 0, f->context_count[i] * sizeof(*f->rc_stat2[i])); |
| 1196 | |
| 1197 | for (j = 0; j < f->slice_count; j++) { |
| 1198 | FFV1Context *fs = f->slice_context[j]; |
| 1199 | for (i = 0; i < 256; i++) { |
| 1200 | f->rc_stat[i][0] += fs->rc_stat[i][0]; |
| 1201 | f->rc_stat[i][1] += fs->rc_stat[i][1]; |
| 1202 | } |
| 1203 | for (i = 0; i < f->quant_table_count; i++) { |
| 1204 | for (k = 0; k < f->context_count[i]; k++) |
| 1205 | for (m = 0; m < 32; m++) { |
| 1206 | f->rc_stat2[i][k][m][0] += fs->rc_stat2[i][k][m][0]; |
| 1207 | f->rc_stat2[i][k][m][1] += fs->rc_stat2[i][k][m][1]; |
| 1208 | } |
| 1209 | } |
| 1210 | } |
| 1211 | |
| 1212 | for (j = 0; j < 256; j++) { |
| 1213 | snprintf(p, end - p, "%" PRIu64 " %" PRIu64 " ", |
| 1214 | f->rc_stat[j][0], f->rc_stat[j][1]); |
| 1215 | p += strlen(p); |
| 1216 | } |
| 1217 | snprintf(p, end - p, "\n"); |
| 1218 | |
| 1219 | for (i = 0; i < f->quant_table_count; i++) { |
| 1220 | for (j = 0; j < f->context_count[i]; j++) |
| 1221 | for (m = 0; m < 32; m++) { |
| 1222 | snprintf(p, end - p, "%" PRIu64 " %" PRIu64 " ", |
| 1223 | f->rc_stat2[i][j][m][0], f->rc_stat2[i][j][m][1]); |
| 1224 | p += strlen(p); |
| 1225 | } |
| 1226 | } |
| 1227 | snprintf(p, end - p, "%d\n", f->gob_count); |
| 1228 | } |
| 1229 | return 0; |
| 1230 | } |
| 1231 | |
| 1232 | if (f->version > 3) |
| 1233 | maxsize = FF_MIN_BUFFER_SIZE + avctx->width*avctx->height*3LL*4; |
| 1234 | |
| 1235 | if ((ret = ff_alloc_packet2(avctx, pkt, maxsize)) < 0) |
| 1236 | return ret; |
| 1237 | |
| 1238 | ff_init_range_encoder(c, pkt->data, pkt->size); |
| 1239 | ff_build_rac_states(c, 0.05 * (1LL << 32), 256 - 8); |
| 1240 | |
| 1241 | av_frame_unref(p); |
| 1242 | if ((ret = av_frame_ref(p, pict)) < 0) |
| 1243 | return ret; |
| 1244 | avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I; |
| 1245 | |
| 1246 | if (avctx->gop_size == 0 || f->picture_number % avctx->gop_size == 0) { |
| 1247 | put_rac(c, &keystate, 1); |
| 1248 | avctx->coded_frame->key_frame = 1; |
| 1249 | f->gob_count++; |
| 1250 | write_header(f); |
| 1251 | } else { |
| 1252 | put_rac(c, &keystate, 0); |
| 1253 | avctx->coded_frame->key_frame = 0; |
| 1254 | } |
| 1255 | |
| 1256 | if (f->ac > 1) { |
| 1257 | int i; |
| 1258 | for (i = 1; i < 256; i++) { |
| 1259 | c->one_state[i] = f->state_transition[i]; |
| 1260 | c->zero_state[256 - i] = 256 - c->one_state[i]; |
| 1261 | } |
| 1262 | } |
| 1263 | |
| 1264 | for (i = 1; i < f->slice_count; i++) { |
| 1265 | FFV1Context *fs = f->slice_context[i]; |
| 1266 | uint8_t *start = pkt->data + (pkt->size - used_count) * (int64_t)i / f->slice_count; |
| 1267 | int len = pkt->size / f->slice_count; |
| 1268 | ff_init_range_encoder(&fs->c, start, len); |
| 1269 | } |
| 1270 | avctx->execute(avctx, encode_slice, &f->slice_context[0], NULL, |
| 1271 | f->slice_count, sizeof(void *)); |
| 1272 | |
| 1273 | buf_p = pkt->data; |
| 1274 | for (i = 0; i < f->slice_count; i++) { |
| 1275 | FFV1Context *fs = f->slice_context[i]; |
| 1276 | int bytes; |
| 1277 | |
| 1278 | if (fs->ac) { |
| 1279 | uint8_t state = 129; |
| 1280 | put_rac(&fs->c, &state, 0); |
| 1281 | bytes = ff_rac_terminate(&fs->c); |
| 1282 | } else { |
| 1283 | flush_put_bits(&fs->pb); // FIXME: nicer padding |
| 1284 | bytes = fs->ac_byte_count + (put_bits_count(&fs->pb) + 7) / 8; |
| 1285 | } |
| 1286 | if (i > 0 || f->version > 2) { |
| 1287 | av_assert0(bytes < pkt->size / f->slice_count); |
| 1288 | memmove(buf_p, fs->c.bytestream_start, bytes); |
| 1289 | av_assert0(bytes < (1 << 24)); |
| 1290 | AV_WB24(buf_p + bytes, bytes); |
| 1291 | bytes += 3; |
| 1292 | } |
| 1293 | if (f->ec) { |
| 1294 | unsigned v; |
| 1295 | buf_p[bytes++] = 0; |
| 1296 | v = av_crc(av_crc_get_table(AV_CRC_32_IEEE), 0, buf_p, bytes); |
| 1297 | AV_WL32(buf_p + bytes, v); |
| 1298 | bytes += 4; |
| 1299 | } |
| 1300 | buf_p += bytes; |
| 1301 | } |
| 1302 | |
| 1303 | if (avctx->flags & CODEC_FLAG_PASS1) |
| 1304 | avctx->stats_out[0] = '\0'; |
| 1305 | |
| 1306 | f->picture_number++; |
| 1307 | pkt->size = buf_p - pkt->data; |
| 1308 | pkt->pts = |
| 1309 | pkt->dts = pict->pts; |
| 1310 | pkt->flags |= AV_PKT_FLAG_KEY * avctx->coded_frame->key_frame; |
| 1311 | *got_packet = 1; |
| 1312 | |
| 1313 | return 0; |
| 1314 | } |
| 1315 | |
| 1316 | static av_cold int encode_close(AVCodecContext *avctx) |
| 1317 | { |
| 1318 | av_frame_free(&avctx->coded_frame); |
| 1319 | ffv1_close(avctx); |
| 1320 | return 0; |
| 1321 | } |
| 1322 | |
| 1323 | #define OFFSET(x) offsetof(FFV1Context, x) |
| 1324 | #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM |
| 1325 | static const AVOption options[] = { |
| 1326 | { "slicecrc", "Protect slices with CRCs", OFFSET(ec), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, |
| 1327 | { NULL } |
| 1328 | }; |
| 1329 | |
| 1330 | static const AVClass ffv1_class = { |
| 1331 | .class_name = "ffv1 encoder", |
| 1332 | .item_name = av_default_item_name, |
| 1333 | .option = options, |
| 1334 | .version = LIBAVUTIL_VERSION_INT, |
| 1335 | }; |
| 1336 | |
| 1337 | static const AVCodecDefault ffv1_defaults[] = { |
| 1338 | { "coder", "-1" }, |
| 1339 | { NULL }, |
| 1340 | }; |
| 1341 | |
| 1342 | AVCodec ff_ffv1_encoder = { |
| 1343 | .name = "ffv1", |
| 1344 | .long_name = NULL_IF_CONFIG_SMALL("FFmpeg video codec #1"), |
| 1345 | .type = AVMEDIA_TYPE_VIDEO, |
| 1346 | .id = AV_CODEC_ID_FFV1, |
| 1347 | .priv_data_size = sizeof(FFV1Context), |
| 1348 | .init = encode_init, |
| 1349 | .encode2 = encode_frame, |
| 1350 | .close = encode_close, |
| 1351 | .capabilities = CODEC_CAP_SLICE_THREADS | CODEC_CAP_DELAY, |
| 1352 | .pix_fmts = (const enum AVPixelFormat[]) { |
| 1353 | AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV444P, |
| 1354 | AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV411P, |
| 1355 | AV_PIX_FMT_YUV410P, AV_PIX_FMT_0RGB32, AV_PIX_FMT_RGB32, AV_PIX_FMT_YUV420P16, |
| 1356 | AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16, AV_PIX_FMT_YUV444P9, AV_PIX_FMT_YUV422P9, |
| 1357 | AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10, |
| 1358 | AV_PIX_FMT_YUVA444P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA420P16, |
| 1359 | AV_PIX_FMT_YUVA444P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA420P10, |
| 1360 | AV_PIX_FMT_YUVA444P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA420P9, |
| 1361 | AV_PIX_FMT_GRAY16, AV_PIX_FMT_GRAY8, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10, |
| 1362 | AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, |
| 1363 | AV_PIX_FMT_NONE |
| 1364 | |
| 1365 | }, |
| 1366 | .defaults = ffv1_defaults, |
| 1367 | .priv_class = &ffv1_class, |
| 1368 | }; |