| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Ut Video decoder | ||
| 3 | * Copyright (c) 2011 Konstantin Shishkov | ||
| 4 | * | ||
| 5 | * This file is part of FFmpeg. | ||
| 6 | * | ||
| 7 | * FFmpeg is free software; you can redistribute it and/or | ||
| 8 | * modify it under the terms of the GNU Lesser General Public | ||
| 9 | * License as published by the Free Software Foundation; either | ||
| 10 | * version 2.1 of the License, or (at your option) any later version. | ||
| 11 | * | ||
| 12 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 15 | * Lesser General Public License for more details. | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU Lesser General Public | ||
| 18 | * License along with FFmpeg; if not, write to the Free Software | ||
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 20 | */ | ||
| 21 | |||
| 22 | /** | ||
| 23 | * @file | ||
| 24 | * Ut Video decoder | ||
| 25 | */ | ||
| 26 | |||
| 27 | #include <inttypes.h> | ||
| 28 | #include <stdlib.h> | ||
| 29 | |||
| 30 | #define CACHED_BITSTREAM_READER !ARCH_X86_32 | ||
| 31 | #define UNCHECKED_BITSTREAM_READER 1 | ||
| 32 | |||
| 33 | #include "libavutil/intreadwrite.h" | ||
| 34 | #include "libavutil/mem.h" | ||
| 35 | #include "libavutil/pixdesc.h" | ||
| 36 | #include "avcodec.h" | ||
| 37 | #include "bswapdsp.h" | ||
| 38 | #include "bytestream.h" | ||
| 39 | #include "codec_internal.h" | ||
| 40 | #include "get_bits.h" | ||
| 41 | #include "lossless_videodsp.h" | ||
| 42 | #include "thread.h" | ||
| 43 | #include "utvideo.h" | ||
| 44 | #include "utvideodsp.h" | ||
| 45 | |||
| 46 | typedef struct UtvideoContext { | ||
| 47 | AVCodecContext *avctx; | ||
| 48 | UTVideoDSPContext utdsp; | ||
| 49 | BswapDSPContext bdsp; | ||
| 50 | LLVidDSPContext llviddsp; | ||
| 51 | |||
| 52 | uint32_t frame_info_size, flags, frame_info, offset; | ||
| 53 | int planes; | ||
| 54 | int slices; | ||
| 55 | int compression; | ||
| 56 | int interlaced; | ||
| 57 | int frame_pred; | ||
| 58 | int pro; | ||
| 59 | int pack; | ||
| 60 | |||
| 61 | uint8_t *slice_bits; | ||
| 62 | int slice_bits_size; | ||
| 63 | void *buffer; | ||
| 64 | |||
| 65 | const uint8_t *packed_stream[4][256]; | ||
| 66 | size_t packed_stream_size[4][256]; | ||
| 67 | const uint8_t *control_stream[4][256]; | ||
| 68 | size_t control_stream_size[4][256]; | ||
| 69 | } UtvideoContext; | ||
| 70 | |||
| 71 | typedef struct HuffEntry { | ||
| 72 | uint8_t len; | ||
| 73 | uint16_t sym; | ||
| 74 | } HuffEntry; | ||
| 75 | |||
| 76 | 183 | static int build_huff(UtvideoContext *c, const uint8_t *src, VLC *vlc, | |
| 77 | VLC_MULTI *multi, int *fsym, unsigned nb_elems) | ||
| 78 | { | ||
| 79 | int i; | ||
| 80 | HuffEntry he[1024]; | ||
| 81 | uint8_t bits[1024]; | ||
| 82 | 183 | uint16_t codes_count[33] = { 0 }; | |
| 83 | |||
| 84 | 183 | *fsym = -1; | |
| 85 |
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46566 | for (i = 0; i < nb_elems; i++) { |
| 86 |
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46387 | if (src[i] == 0) { |
| 87 | 4 | *fsym = i; | |
| 88 | 4 | return 0; | |
| 89 |
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46383 | } else if (src[i] == 255) { |
| 90 | 18630 | bits[i] = 0; | |
| 91 |
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27753 | } else if (src[i] <= 32) { |
| 92 | 27753 | bits[i] = src[i]; | |
| 93 | } else | ||
| 94 | ✗ | return AVERROR_INVALIDDATA; | |
| 95 | |||
| 96 | 46383 | codes_count[bits[i]]++; | |
| 97 | } | ||
| 98 |
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179 | if (codes_count[0] == nb_elems) |
| 99 | ✗ | return AVERROR_INVALIDDATA; | |
| 100 | |||
| 101 | /* For Ut Video, longer codes are to the left of the tree and | ||
| 102 | * for codes with the same length the symbol is descending from | ||
| 103 | * left to right. So after the next loop --codes_count[i] will | ||
| 104 | * be the index of the first (lowest) symbol of length i when | ||
| 105 | * indexed by the position in the tree with left nodes being first. */ | ||
| 106 |
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5907 | for (int i = 31; i >= 0; i--) |
| 107 | 5728 | codes_count[i] += codes_count[i + 1]; | |
| 108 | |||
| 109 |
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46003 | for (unsigned i = 0; i < nb_elems; i++) |
| 110 | 45824 | he[--codes_count[bits[i]]] = (HuffEntry) { bits[i], i }; | |
| 111 | |||
| 112 | #define VLC_BITS 11 | ||
| 113 | 179 | return ff_vlc_init_multi_from_lengths(vlc, multi, VLC_BITS, nb_elems, codes_count[0], | |
| 114 | &he[0].len, sizeof(*he), | ||
| 115 | 179 | &he[0].sym, sizeof(*he), 2, 0, 0, c->avctx); | |
| 116 | } | ||
| 117 | |||
| 118 | #define READ_PLANE(b, end) \ | ||
| 119 | { \ | ||
| 120 | buf = !use_pred ? dest : c->buffer; \ | ||
| 121 | i = 0; \ | ||
| 122 | for (; CACHED_BITSTREAM_READER && i < width-end && get_bits_left(&gb) > 0;) {\ | ||
| 123 | ret = get_vlc_multi(&gb, (uint8_t *)buf + i * b, multi.table, \ | ||
| 124 | vlc.table, VLC_BITS, 3, b); \ | ||
| 125 | if (ret > 0) \ | ||
| 126 | i += ret; \ | ||
| 127 | if (ret <= 0) \ | ||
| 128 | goto fail; \ | ||
| 129 | } \ | ||
| 130 | for (; i < width && get_bits_left(&gb) > 0; i++) \ | ||
| 131 | buf[i] = get_vlc2(&gb, vlc.table, VLC_BITS, 3); \ | ||
| 132 | if (use_pred) { \ | ||
| 133 | if (b == 2) \ | ||
| 134 | c->llviddsp.add_left_pred_int16((uint16_t *)dest, (const uint16_t *)buf, 0x3ff, width, prev); \ | ||
| 135 | else \ | ||
| 136 | c->llviddsp.add_left_pred((uint8_t *)dest, (const uint8_t *)buf, width, prev); \ | ||
| 137 | } \ | ||
| 138 | prev = dest[width-1]; \ | ||
| 139 | dest += stride; \ | ||
| 140 | } | ||
| 141 | |||
| 142 | ✗ | static int decode_plane10(UtvideoContext *c, int plane_no, | |
| 143 | uint16_t *dst, ptrdiff_t stride, | ||
| 144 | int width, int height, | ||
| 145 | const uint8_t *src, const uint8_t *huff, | ||
| 146 | int use_pred) | ||
| 147 | { | ||
| 148 | int i, j, slice, pix, ret; | ||
| 149 | int sstart, send; | ||
| 150 | VLC_MULTI multi; | ||
| 151 | VLC vlc; | ||
| 152 | GetBitContext gb; | ||
| 153 | int prev, fsym; | ||
| 154 | |||
| 155 | ✗ | if ((ret = build_huff(c, huff, &vlc, &multi, &fsym, 1024)) < 0) { | |
| 156 | ✗ | av_log(c->avctx, AV_LOG_ERROR, "Cannot build Huffman codes\n"); | |
| 157 | ✗ | return ret; | |
| 158 | } | ||
| 159 | ✗ | if (fsym >= 0) { // build_huff reported a symbol to fill slices with | |
| 160 | ✗ | send = 0; | |
| 161 | ✗ | for (slice = 0; slice < c->slices; slice++) { | |
| 162 | uint16_t *dest; | ||
| 163 | |||
| 164 | ✗ | sstart = send; | |
| 165 | ✗ | send = (height * (slice + 1) / c->slices); | |
| 166 | ✗ | dest = dst + sstart * stride; | |
| 167 | |||
| 168 | ✗ | prev = 0x200; | |
| 169 | ✗ | for (j = sstart; j < send; j++) { | |
| 170 | ✗ | for (i = 0; i < width; i++) { | |
| 171 | ✗ | pix = fsym; | |
| 172 | ✗ | if (use_pred) { | |
| 173 | ✗ | prev += pix; | |
| 174 | ✗ | prev &= 0x3FF; | |
| 175 | ✗ | pix = prev; | |
| 176 | } | ||
| 177 | ✗ | dest[i] = pix; | |
| 178 | } | ||
| 179 | ✗ | dest += stride; | |
| 180 | } | ||
| 181 | } | ||
| 182 | ✗ | return 0; | |
| 183 | } | ||
| 184 | |||
| 185 | ✗ | send = 0; | |
| 186 | ✗ | for (slice = 0; slice < c->slices; slice++) { | |
| 187 | uint16_t *dest, *buf; | ||
| 188 | int slice_data_start, slice_data_end, slice_size; | ||
| 189 | |||
| 190 | ✗ | sstart = send; | |
| 191 | ✗ | send = (height * (slice + 1) / c->slices); | |
| 192 | ✗ | dest = dst + sstart * stride; | |
| 193 | |||
| 194 | // slice offset and size validation was done earlier | ||
| 195 | ✗ | slice_data_start = slice ? AV_RL32(src + slice * 4 - 4) : 0; | |
| 196 | ✗ | slice_data_end = AV_RL32(src + slice * 4); | |
| 197 | ✗ | slice_size = slice_data_end - slice_data_start; | |
| 198 | |||
| 199 | ✗ | if (!slice_size) { | |
| 200 | ✗ | av_log(c->avctx, AV_LOG_ERROR, "Plane has more than one symbol " | |
| 201 | "yet a slice has a length of zero.\n"); | ||
| 202 | ✗ | goto fail; | |
| 203 | } | ||
| 204 | |||
| 205 | ✗ | memset(c->slice_bits + slice_size, 0, AV_INPUT_BUFFER_PADDING_SIZE); | |
| 206 | ✗ | c->bdsp.bswap_buf((uint32_t *) c->slice_bits, | |
| 207 | ✗ | (uint32_t *)(src + slice_data_start + c->slices * 4), | |
| 208 | ✗ | (slice_data_end - slice_data_start + 3) >> 2); | |
| 209 | ✗ | init_get_bits(&gb, c->slice_bits, slice_size * 8); | |
| 210 | |||
| 211 | ✗ | prev = 0x200; | |
| 212 | ✗ | for (j = sstart; j < send; j++) | |
| 213 | ✗ | READ_PLANE(2, 3) | |
| 214 | ✗ | if (get_bits_left(&gb) > 32) | |
| 215 | ✗ | av_log(c->avctx, AV_LOG_WARNING, | |
| 216 | "%d bits left after decoding slice\n", get_bits_left(&gb)); | ||
| 217 | } | ||
| 218 | |||
| 219 | ✗ | ff_vlc_free(&vlc); | |
| 220 | ✗ | ff_vlc_free_multi(&multi); | |
| 221 | |||
| 222 | ✗ | return 0; | |
| 223 | ✗ | fail: | |
| 224 | ✗ | ff_vlc_free(&vlc); | |
| 225 | ✗ | ff_vlc_free_multi(&multi); | |
| 226 | ✗ | return AVERROR_INVALIDDATA; | |
| 227 | } | ||
| 228 | |||
| 229 | 183 | static int compute_cmask(int plane_no, int interlaced, enum AVPixelFormat pix_fmt) | |
| 230 | { | ||
| 231 |
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183 | const int is_luma = (pix_fmt == AV_PIX_FMT_YUV420P) && !plane_no; |
| 232 | |||
| 233 |
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183 | if (interlaced) |
| 234 | 24 | return ~(1 + 2 * is_luma); | |
| 235 | |||
| 236 | 159 | return ~is_luma; | |
| 237 | } | ||
| 238 | |||
| 239 | 183 | static int decode_plane(UtvideoContext *c, int plane_no, | |
| 240 | uint8_t *dst, ptrdiff_t stride, | ||
| 241 | int width, int height, | ||
| 242 | const uint8_t *src, int use_pred) | ||
| 243 | { | ||
| 244 | int i, j, slice, pix; | ||
| 245 | int sstart, send; | ||
| 246 | VLC_MULTI multi; | ||
| 247 | VLC vlc; | ||
| 248 | GetBitContext gb; | ||
| 249 | int ret, prev, fsym; | ||
| 250 | 183 | const int cmask = compute_cmask(plane_no, c->interlaced, c->avctx->pix_fmt); | |
| 251 | |||
| 252 |
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183 | if (c->pack) { |
| 253 | ✗ | send = 0; | |
| 254 | ✗ | for (slice = 0; slice < c->slices; slice++) { | |
| 255 | GetBitContext cbit, pbit; | ||
| 256 | uint8_t *dest, *p; | ||
| 257 | |||
| 258 | ✗ | ret = init_get_bits8_le(&cbit, c->control_stream[plane_no][slice], c->control_stream_size[plane_no][slice]); | |
| 259 | ✗ | if (ret < 0) | |
| 260 | ✗ | return ret; | |
| 261 | |||
| 262 | ✗ | ret = init_get_bits8_le(&pbit, c->packed_stream[plane_no][slice], c->packed_stream_size[plane_no][slice]); | |
| 263 | ✗ | if (ret < 0) | |
| 264 | ✗ | return ret; | |
| 265 | |||
| 266 | ✗ | sstart = send; | |
| 267 | ✗ | send = (height * (slice + 1) / c->slices) & cmask; | |
| 268 | ✗ | dest = dst + sstart * stride; | |
| 269 | |||
| 270 | ✗ | if (3 * ((dst + send * stride - dest + 7)/8) > get_bits_left(&cbit)) | |
| 271 | ✗ | return AVERROR_INVALIDDATA; | |
| 272 | |||
| 273 | ✗ | for (p = dest; p < dst + send * stride; p += 8) { | |
| 274 | ✗ | int bits = get_bits_le(&cbit, 3); | |
| 275 | |||
| 276 | ✗ | if (bits == 0) { | |
| 277 | ✗ | *(uint64_t *) p = 0; | |
| 278 | } else { | ||
| 279 | ✗ | uint32_t sub = 0x80 >> (8 - (bits + 1)), add; | |
| 280 | int k; | ||
| 281 | |||
| 282 | ✗ | if ((bits + 1) * 8 > get_bits_left(&pbit)) | |
| 283 | ✗ | return AVERROR_INVALIDDATA; | |
| 284 | |||
| 285 | ✗ | for (k = 0; k < 8; k++) { | |
| 286 | |||
| 287 | ✗ | p[k] = get_bits_le(&pbit, bits + 1); | |
| 288 | ✗ | add = (~p[k] & sub) << (8 - bits); | |
| 289 | ✗ | p[k] -= sub; | |
| 290 | ✗ | p[k] += add; | |
| 291 | } | ||
| 292 | } | ||
| 293 | } | ||
| 294 | } | ||
| 295 | |||
| 296 | ✗ | return 0; | |
| 297 | } | ||
| 298 | |||
| 299 |
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183 | if (build_huff(c, src, &vlc, &multi, &fsym, 256)) { |
| 300 | ✗ | av_log(c->avctx, AV_LOG_ERROR, "Cannot build Huffman codes\n"); | |
| 301 | ✗ | return AVERROR_INVALIDDATA; | |
| 302 | } | ||
| 303 |
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183 | if (fsym >= 0) { // build_huff reported a symbol to fill slices with |
| 304 | 4 | send = 0; | |
| 305 |
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20 | for (slice = 0; slice < c->slices; slice++) { |
| 306 | uint8_t *dest; | ||
| 307 | |||
| 308 | 16 | sstart = send; | |
| 309 | 16 | send = (height * (slice + 1) / c->slices) & cmask; | |
| 310 | 16 | dest = dst + sstart * stride; | |
| 311 | |||
| 312 | 16 | prev = 0x80; | |
| 313 |
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3088 | for (j = sstart; j < send; j++) { |
| 314 |
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3148800 | for (i = 0; i < width; i++) { |
| 315 | 3145728 | pix = fsym; | |
| 316 |
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3145728 | if (use_pred) { |
| 317 | ✗ | prev += (unsigned)pix; | |
| 318 | ✗ | pix = prev; | |
| 319 | } | ||
| 320 | 3145728 | dest[i] = pix; | |
| 321 | } | ||
| 322 | 3072 | dest += stride; | |
| 323 | } | ||
| 324 | } | ||
| 325 | 4 | return 0; | |
| 326 | } | ||
| 327 | |||
| 328 | 179 | src += 256; | |
| 329 | |||
| 330 | 179 | send = 0; | |
| 331 |
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895 | for (slice = 0; slice < c->slices; slice++) { |
| 332 | uint8_t *dest, *buf; | ||
| 333 | int slice_data_start, slice_data_end, slice_size; | ||
| 334 | |||
| 335 | 716 | sstart = send; | |
| 336 | 716 | send = (height * (slice + 1) / c->slices) & cmask; | |
| 337 | 716 | dest = dst + sstart * stride; | |
| 338 | |||
| 339 | // slice offset and size validation was done earlier | ||
| 340 |
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716 | slice_data_start = slice ? AV_RL32(src + slice * 4 - 4) : 0; |
| 341 | 716 | slice_data_end = AV_RL32(src + slice * 4); | |
| 342 | 716 | slice_size = slice_data_end - slice_data_start; | |
| 343 | |||
| 344 |
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716 | if (!slice_size) { |
| 345 | ✗ | av_log(c->avctx, AV_LOG_ERROR, "Plane has more than one symbol " | |
| 346 | "yet a slice has a length of zero.\n"); | ||
| 347 | ✗ | goto fail; | |
| 348 | } | ||
| 349 | |||
| 350 | 716 | memset(c->slice_bits + slice_size, 0, AV_INPUT_BUFFER_PADDING_SIZE); | |
| 351 | 716 | c->bdsp.bswap_buf((uint32_t *) c->slice_bits, | |
| 352 | 716 | (uint32_t *)(src + slice_data_start + c->slices * 4), | |
| 353 | 716 | (slice_data_end - slice_data_start + 3) >> 2); | |
| 354 | 716 | init_get_bits(&gb, c->slice_bits, slice_size * 8); | |
| 355 | |||
| 356 | 716 | prev = 0x80; | |
| 357 |
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63858 | for (j = sstart; j < send; j++) |
| 358 |
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7717579 | READ_PLANE(1, 5) |
| 359 |
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716 | if (get_bits_left(&gb) > 32) |
| 360 | ✗ | av_log(c->avctx, AV_LOG_WARNING, | |
| 361 | "%d bits left after decoding slice\n", get_bits_left(&gb)); | ||
| 362 | } | ||
| 363 | |||
| 364 | 179 | ff_vlc_free(&vlc); | |
| 365 | 179 | ff_vlc_free_multi(&multi); | |
| 366 | |||
| 367 | 179 | return 0; | |
| 368 | ✗ | fail: | |
| 369 | ✗ | ff_vlc_free(&vlc); | |
| 370 | ✗ | ff_vlc_free_multi(&multi); | |
| 371 | ✗ | return AVERROR_INVALIDDATA; | |
| 372 | } | ||
| 373 | |||
| 374 | #undef A | ||
| 375 | #undef B | ||
| 376 | #undef C | ||
| 377 | |||
| 378 | 77 | static void restore_median_planar(UtvideoContext *c, uint8_t *src, ptrdiff_t stride, | |
| 379 | int width, int height, int slices, int rmode) | ||
| 380 | { | ||
| 381 | int i, j, slice; | ||
| 382 | int A, B, C; | ||
| 383 | uint8_t *bsrc; | ||
| 384 | int slice_start, slice_height; | ||
| 385 | 77 | const int cmask = ~rmode; | |
| 386 | |||
| 387 |
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385 | for (slice = 0; slice < slices; slice++) { |
| 388 | 308 | slice_start = ((slice * height) / slices) & cmask; | |
| 389 | 308 | slice_height = ((((slice + 1) * height) / slices) & cmask) - | |
| 390 | slice_start; | ||
| 391 | |||
| 392 |
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308 | if (!slice_height) |
| 393 | ✗ | continue; | |
| 394 | 308 | bsrc = src + slice_start * stride; | |
| 395 | |||
| 396 | // first line - left neighbour prediction | ||
| 397 | 308 | bsrc[0] += 0x80; | |
| 398 | 308 | c->llviddsp.add_left_pred(bsrc, bsrc, width, 0); | |
| 399 | 308 | bsrc += stride; | |
| 400 |
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308 | if (slice_height <= 1) |
| 401 | ✗ | continue; | |
| 402 | // second line - first element has top prediction, the rest uses median | ||
| 403 | 308 | C = bsrc[-stride]; | |
| 404 | 308 | bsrc[0] += C; | |
| 405 | 308 | A = bsrc[0]; | |
| 406 |
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4928 | for (i = 1; i < FFMIN(width, 16); i++) { /* scalar loop (DSP need align 16) */ |
| 407 | 4620 | B = bsrc[i - stride]; | |
| 408 | 4620 | bsrc[i] += mid_pred(A, B, (uint8_t)(A + B - C)); | |
| 409 | 4620 | C = B; | |
| 410 | 4620 | A = bsrc[i]; | |
| 411 | } | ||
| 412 |
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308 | if (width > 16) |
| 413 | 308 | c->llviddsp.add_median_pred(bsrc + 16, bsrc - stride + 16, | |
| 414 | 308 | bsrc + 16, width - 16, &A, &B); | |
| 415 | |||
| 416 | 308 | bsrc += stride; | |
| 417 | // the rest of lines use continuous median prediction | ||
| 418 |
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33436 | for (j = 2; j < slice_height; j++) { |
| 419 | 33128 | c->llviddsp.add_median_pred(bsrc, bsrc - stride, | |
| 420 | bsrc, width, &A, &B); | ||
| 421 | 33128 | bsrc += stride; | |
| 422 | } | ||
| 423 | } | ||
| 424 | 77 | } | |
| 425 | |||
| 426 | /* UtVideo interlaced mode treats every two lines as a single one, | ||
| 427 | * so restoring function should take care of possible padding between | ||
| 428 | * two parts of the same "line". | ||
| 429 | */ | ||
| 430 | 12 | static void restore_median_planar_il(UtvideoContext *c, uint8_t *src, ptrdiff_t stride, | |
| 431 | int width, int height, int slices, int rmode) | ||
| 432 | { | ||
| 433 | int i, j, slice; | ||
| 434 | int A, B, C; | ||
| 435 | uint8_t *bsrc; | ||
| 436 | int slice_start, slice_height; | ||
| 437 |
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12 | const int cmask = ~(rmode ? 3 : 1); |
| 438 | 12 | const ptrdiff_t stride2 = stride << 1; | |
| 439 | |||
| 440 |
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60 | for (slice = 0; slice < slices; slice++) { |
| 441 | 48 | slice_start = ((slice * height) / slices) & cmask; | |
| 442 | 48 | slice_height = ((((slice + 1) * height) / slices) & cmask) - | |
| 443 | slice_start; | ||
| 444 | 48 | slice_height >>= 1; | |
| 445 |
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48 | if (!slice_height) |
| 446 | ✗ | continue; | |
| 447 | |||
| 448 | 48 | bsrc = src + slice_start * stride; | |
| 449 | |||
| 450 | // first line - left neighbour prediction | ||
| 451 | 48 | bsrc[0] += 0x80; | |
| 452 | 48 | A = c->llviddsp.add_left_pred(bsrc, bsrc, width, 0); | |
| 453 | 48 | c->llviddsp.add_left_pred(bsrc + stride, bsrc + stride, width, A); | |
| 454 | 48 | bsrc += stride2; | |
| 455 |
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48 | if (slice_height <= 1) |
| 456 | ✗ | continue; | |
| 457 | // second line - first element has top prediction, the rest uses median | ||
| 458 | 48 | C = bsrc[-stride2]; | |
| 459 | 48 | bsrc[0] += C; | |
| 460 | 48 | A = bsrc[0]; | |
| 461 |
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768 | for (i = 1; i < FFMIN(width, 16); i++) { /* scalar loop (DSP need align 16) */ |
| 462 | 720 | B = bsrc[i - stride2]; | |
| 463 | 720 | bsrc[i] += mid_pred(A, B, (uint8_t)(A + B - C)); | |
| 464 | 720 | C = B; | |
| 465 | 720 | A = bsrc[i]; | |
| 466 | } | ||
| 467 |
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48 | if (width > 16) |
| 468 | 48 | c->llviddsp.add_median_pred(bsrc + 16, bsrc - stride2 + 16, | |
| 469 | 48 | bsrc + 16, width - 16, &A, &B); | |
| 470 | |||
| 471 | 48 | c->llviddsp.add_median_pred(bsrc + stride, bsrc - stride, | |
| 472 | 48 | bsrc + stride, width, &A, &B); | |
| 473 | 48 | bsrc += stride2; | |
| 474 | // the rest of lines use continuous median prediction | ||
| 475 |
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216 | for (j = 2; j < slice_height; j++) { |
| 476 | 168 | c->llviddsp.add_median_pred(bsrc, bsrc - stride2, | |
| 477 | bsrc, width, &A, &B); | ||
| 478 | 168 | c->llviddsp.add_median_pred(bsrc + stride, bsrc - stride, | |
| 479 | 168 | bsrc + stride, width, &A, &B); | |
| 480 | 168 | bsrc += stride2; | |
| 481 | } | ||
| 482 | } | ||
| 483 | 12 | } | |
| 484 | |||
| 485 | 13 | static void restore_gradient_planar(UtvideoContext *c, uint8_t *src, ptrdiff_t stride, | |
| 486 | int width, int height, int slices, int rmode) | ||
| 487 | { | ||
| 488 | int i, j, slice; | ||
| 489 | int A, B, C; | ||
| 490 | uint8_t *bsrc; | ||
| 491 | int slice_start, slice_height; | ||
| 492 | 13 | const int cmask = ~rmode; | |
| 493 | 13 | int min_width = FFMIN(width, 32); | |
| 494 | |||
| 495 |
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65 | for (slice = 0; slice < slices; slice++) { |
| 496 | 52 | slice_start = ((slice * height) / slices) & cmask; | |
| 497 | 52 | slice_height = ((((slice + 1) * height) / slices) & cmask) - | |
| 498 | slice_start; | ||
| 499 | |||
| 500 |
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52 | if (!slice_height) |
| 501 | ✗ | continue; | |
| 502 | 52 | bsrc = src + slice_start * stride; | |
| 503 | |||
| 504 | // first line - left neighbour prediction | ||
| 505 | 52 | bsrc[0] += 0x80; | |
| 506 | 52 | c->llviddsp.add_left_pred(bsrc, bsrc, width, 0); | |
| 507 | 52 | bsrc += stride; | |
| 508 |
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52 | if (slice_height <= 1) |
| 509 | ✗ | continue; | |
| 510 |
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502 | for (j = 1; j < slice_height; j++) { |
| 511 | // second line - first element has top prediction, the rest uses gradient | ||
| 512 | 450 | bsrc[0] = (bsrc[0] + bsrc[-stride]) & 0xFF; | |
| 513 |
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14400 | for (i = 1; i < min_width; i++) { /* dsp need align 32 */ |
| 514 | 13950 | A = bsrc[i - stride]; | |
| 515 | 13950 | B = bsrc[i - (stride + 1)]; | |
| 516 | 13950 | C = bsrc[i - 1]; | |
| 517 | 13950 | bsrc[i] = (A - B + C + bsrc[i]) & 0xFF; | |
| 518 | } | ||
| 519 |
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450 | if (width > 32) |
| 520 | 322 | c->llviddsp.add_gradient_pred(bsrc + 32, stride, width - 32); | |
| 521 | 450 | bsrc += stride; | |
| 522 | } | ||
| 523 | } | ||
| 524 | 13 | } | |
| 525 | |||
| 526 | 12 | static void restore_gradient_planar_il(UtvideoContext *c, uint8_t *src, ptrdiff_t stride, | |
| 527 | int width, int height, int slices, int rmode) | ||
| 528 | { | ||
| 529 | int i, j, slice; | ||
| 530 | int A, B, C; | ||
| 531 | uint8_t *bsrc; | ||
| 532 | int slice_start, slice_height; | ||
| 533 |
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12 | const int cmask = ~(rmode ? 3 : 1); |
| 534 | 12 | const ptrdiff_t stride2 = stride << 1; | |
| 535 | 12 | int min_width = FFMIN(width, 32); | |
| 536 | |||
| 537 |
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60 | for (slice = 0; slice < slices; slice++) { |
| 538 | 48 | slice_start = ((slice * height) / slices) & cmask; | |
| 539 | 48 | slice_height = ((((slice + 1) * height) / slices) & cmask) - | |
| 540 | slice_start; | ||
| 541 | 48 | slice_height >>= 1; | |
| 542 |
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48 | if (!slice_height) |
| 543 | ✗ | continue; | |
| 544 | |||
| 545 | 48 | bsrc = src + slice_start * stride; | |
| 546 | |||
| 547 | // first line - left neighbour prediction | ||
| 548 | 48 | bsrc[0] += 0x80; | |
| 549 | 48 | A = c->llviddsp.add_left_pred(bsrc, bsrc, width, 0); | |
| 550 | 48 | c->llviddsp.add_left_pred(bsrc + stride, bsrc + stride, width, A); | |
| 551 | 48 | bsrc += stride2; | |
| 552 |
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48 | if (slice_height <= 1) |
| 553 | ✗ | continue; | |
| 554 |
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264 | for (j = 1; j < slice_height; j++) { |
| 555 | // second line - first element has top prediction, the rest uses gradient | ||
| 556 | 216 | bsrc[0] = (bsrc[0] + bsrc[-stride2]) & 0xFF; | |
| 557 |
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6912 | for (i = 1; i < min_width; i++) { /* dsp need align 32 */ |
| 558 | 6696 | A = bsrc[i - stride2]; | |
| 559 | 6696 | B = bsrc[i - (stride2 + 1)]; | |
| 560 | 6696 | C = bsrc[i - 1]; | |
| 561 | 6696 | bsrc[i] = (A - B + C + bsrc[i]) & 0xFF; | |
| 562 | } | ||
| 563 |
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216 | if (width > 32) |
| 564 | 160 | c->llviddsp.add_gradient_pred(bsrc + 32, stride2, width - 32); | |
| 565 | |||
| 566 | 216 | A = bsrc[-stride]; | |
| 567 | 216 | B = bsrc[-(1 + stride + stride - width)]; | |
| 568 | 216 | C = bsrc[width - 1]; | |
| 569 | 216 | bsrc[stride] = (A - B + C + bsrc[stride]) & 0xFF; | |
| 570 |
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12032 | for (i = 1; i < width; i++) { |
| 571 | 11816 | A = bsrc[i - stride]; | |
| 572 | 11816 | B = bsrc[i - (1 + stride)]; | |
| 573 | 11816 | C = bsrc[i - 1 + stride]; | |
| 574 | 11816 | bsrc[i + stride] = (A - B + C + bsrc[i + stride]) & 0xFF; | |
| 575 | } | ||
| 576 | 216 | bsrc += stride2; | |
| 577 | } | ||
| 578 | } | ||
| 579 | 12 | } | |
| 580 | |||
| 581 | 57 | static int decode_frame(AVCodecContext *avctx, AVFrame *frame, | |
| 582 | int *got_frame, AVPacket *avpkt) | ||
| 583 | { | ||
| 584 | 57 | const uint8_t *buf = avpkt->data; | |
| 585 | 57 | int buf_size = avpkt->size; | |
| 586 | 57 | UtvideoContext *c = avctx->priv_data; | |
| 587 | int i, j; | ||
| 588 | const uint8_t *plane_start[5]; | ||
| 589 | 57 | int plane_size, max_slice_size = 0, slice_start, slice_end, slice_size; | |
| 590 | int ret; | ||
| 591 | GetByteContext gb; | ||
| 592 | |||
| 593 |
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57 | if ((ret = ff_thread_get_buffer(avctx, frame, 0)) < 0) |
| 594 | ✗ | return ret; | |
| 595 | |||
| 596 | /* parse plane structure to get frame flags and validate slice offsets */ | ||
| 597 | 57 | bytestream2_init(&gb, buf, buf_size); | |
| 598 | |||
| 599 |
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57 | if (c->pack) { |
| 600 | const uint8_t *packed_stream; | ||
| 601 | const uint8_t *control_stream; | ||
| 602 | GetByteContext pb; | ||
| 603 | uint32_t nb_cbs; | ||
| 604 | int left; | ||
| 605 | |||
| 606 | ✗ | c->frame_info = PRED_GRADIENT << 8; | |
| 607 | |||
| 608 | ✗ | if (bytestream2_get_byte(&gb) != 1) | |
| 609 | ✗ | return AVERROR_INVALIDDATA; | |
| 610 | ✗ | bytestream2_skip(&gb, 3); | |
| 611 | ✗ | c->offset = bytestream2_get_le32(&gb); | |
| 612 | |||
| 613 | ✗ | if (buf_size <= c->offset + 8LL) | |
| 614 | ✗ | return AVERROR_INVALIDDATA; | |
| 615 | |||
| 616 | ✗ | bytestream2_init(&pb, buf + 8 + c->offset, buf_size - 8 - c->offset); | |
| 617 | |||
| 618 | ✗ | nb_cbs = bytestream2_get_le32(&pb); | |
| 619 | ✗ | if (nb_cbs > c->offset) | |
| 620 | ✗ | return AVERROR_INVALIDDATA; | |
| 621 | |||
| 622 | ✗ | packed_stream = buf + 8; | |
| 623 | ✗ | control_stream = packed_stream + (c->offset - nb_cbs); | |
| 624 | ✗ | left = control_stream - packed_stream; | |
| 625 | |||
| 626 | ✗ | for (i = 0; i < c->planes; i++) { | |
| 627 | ✗ | for (j = 0; j < c->slices; j++) { | |
| 628 | ✗ | c->packed_stream[i][j] = packed_stream; | |
| 629 | ✗ | c->packed_stream_size[i][j] = bytestream2_get_le32(&pb); | |
| 630 | ✗ | if (c->packed_stream_size[i][j] > left) | |
| 631 | ✗ | return AVERROR_INVALIDDATA; | |
| 632 | ✗ | left -= c->packed_stream_size[i][j]; | |
| 633 | ✗ | packed_stream += c->packed_stream_size[i][j]; | |
| 634 | } | ||
| 635 | } | ||
| 636 | |||
| 637 | ✗ | left = buf + buf_size - control_stream; | |
| 638 | |||
| 639 | ✗ | for (i = 0; i < c->planes; i++) { | |
| 640 | ✗ | for (j = 0; j < c->slices; j++) { | |
| 641 | ✗ | c->control_stream[i][j] = control_stream; | |
| 642 | ✗ | c->control_stream_size[i][j] = bytestream2_get_le32(&pb); | |
| 643 | ✗ | if (c->control_stream_size[i][j] > left) | |
| 644 | ✗ | return AVERROR_INVALIDDATA; | |
| 645 | ✗ | left -= c->control_stream_size[i][j]; | |
| 646 | ✗ | control_stream += c->control_stream_size[i][j]; | |
| 647 | } | ||
| 648 | } | ||
| 649 |
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57 | } else if (c->pro) { |
| 650 | ✗ | if (bytestream2_get_bytes_left(&gb) < c->frame_info_size) { | |
| 651 | ✗ | av_log(avctx, AV_LOG_ERROR, "Not enough data for frame information\n"); | |
| 652 | ✗ | return AVERROR_INVALIDDATA; | |
| 653 | } | ||
| 654 | ✗ | c->frame_info = bytestream2_get_le32u(&gb); | |
| 655 | ✗ | c->slices = ((c->frame_info >> 16) & 0xff) + 1; | |
| 656 | ✗ | for (i = 0; i < c->planes; i++) { | |
| 657 | ✗ | plane_start[i] = gb.buffer; | |
| 658 | ✗ | if (bytestream2_get_bytes_left(&gb) < 1024 + 4 * c->slices) { | |
| 659 | ✗ | av_log(avctx, AV_LOG_ERROR, "Insufficient data for a plane\n"); | |
| 660 | ✗ | return AVERROR_INVALIDDATA; | |
| 661 | } | ||
| 662 | ✗ | slice_start = 0; | |
| 663 | ✗ | slice_end = 0; | |
| 664 | ✗ | for (j = 0; j < c->slices; j++) { | |
| 665 | ✗ | slice_end = bytestream2_get_le32u(&gb); | |
| 666 | ✗ | if (slice_end < 0 || slice_end < slice_start || | |
| 667 | ✗ | bytestream2_get_bytes_left(&gb) < slice_end + 1024LL) { | |
| 668 | ✗ | av_log(avctx, AV_LOG_ERROR, "Incorrect slice size\n"); | |
| 669 | ✗ | return AVERROR_INVALIDDATA; | |
| 670 | } | ||
| 671 | ✗ | slice_size = slice_end - slice_start; | |
| 672 | ✗ | slice_start = slice_end; | |
| 673 | ✗ | max_slice_size = FFMAX(max_slice_size, slice_size); | |
| 674 | } | ||
| 675 | ✗ | plane_size = slice_end; | |
| 676 | ✗ | bytestream2_skipu(&gb, plane_size); | |
| 677 | ✗ | bytestream2_skipu(&gb, 1024); | |
| 678 | } | ||
| 679 | ✗ | plane_start[c->planes] = gb.buffer; | |
| 680 | } else { | ||
| 681 |
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240 | for (i = 0; i < c->planes; i++) { |
| 682 | 183 | plane_start[i] = gb.buffer; | |
| 683 |
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183 | if (bytestream2_get_bytes_left(&gb) < 256 + 4 * c->slices) { |
| 684 | ✗ | av_log(avctx, AV_LOG_ERROR, "Insufficient data for a plane\n"); | |
| 685 | ✗ | return AVERROR_INVALIDDATA; | |
| 686 | } | ||
| 687 | 183 | bytestream2_skipu(&gb, 256); | |
| 688 | 183 | slice_start = 0; | |
| 689 | 183 | slice_end = 0; | |
| 690 |
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915 | for (j = 0; j < c->slices; j++) { |
| 691 | 732 | slice_end = bytestream2_get_le32u(&gb); | |
| 692 |
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1464 | if (slice_end < 0 || slice_end < slice_start || |
| 693 | 732 | bytestream2_get_bytes_left(&gb) < slice_end) { | |
| 694 | ✗ | av_log(avctx, AV_LOG_ERROR, "Incorrect slice size\n"); | |
| 695 | ✗ | return AVERROR_INVALIDDATA; | |
| 696 | } | ||
| 697 | 732 | slice_size = slice_end - slice_start; | |
| 698 | 732 | slice_start = slice_end; | |
| 699 | 732 | max_slice_size = FFMAX(max_slice_size, slice_size); | |
| 700 | } | ||
| 701 | 183 | plane_size = slice_end; | |
| 702 | 183 | bytestream2_skipu(&gb, plane_size); | |
| 703 | } | ||
| 704 | 57 | plane_start[c->planes] = gb.buffer; | |
| 705 |
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57 | if (bytestream2_get_bytes_left(&gb) < c->frame_info_size) { |
| 706 | ✗ | av_log(avctx, AV_LOG_ERROR, "Not enough data for frame information\n"); | |
| 707 | ✗ | return AVERROR_INVALIDDATA; | |
| 708 | } | ||
| 709 | 57 | c->frame_info = bytestream2_get_le32u(&gb); | |
| 710 | } | ||
| 711 | 57 | av_log(avctx, AV_LOG_DEBUG, "frame information flags %"PRIX32"\n", | |
| 712 | c->frame_info); | ||
| 713 | |||
| 714 | 57 | c->frame_pred = (c->frame_info >> 8) & 3; | |
| 715 | |||
| 716 | 57 | max_slice_size += 4*avctx->width; | |
| 717 | |||
| 718 |
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57 | if (!c->pack) { |
| 719 | 57 | av_fast_malloc(&c->slice_bits, &c->slice_bits_size, | |
| 720 | 57 | max_slice_size + AV_INPUT_BUFFER_PADDING_SIZE); | |
| 721 | |||
| 722 |
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57 | if (!c->slice_bits) { |
| 723 | ✗ | av_log(avctx, AV_LOG_ERROR, "Cannot allocate temporary buffer\n"); | |
| 724 | ✗ | return AVERROR(ENOMEM); | |
| 725 | } | ||
| 726 | } | ||
| 727 | |||
| 728 |
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57 | switch (c->avctx->pix_fmt) { |
| 729 | 28 | case AV_PIX_FMT_GBRP: | |
| 730 | case AV_PIX_FMT_GBRAP: | ||
| 731 |
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124 | for (i = 0; i < c->planes; i++) { |
| 732 | 96 | ret = decode_plane(c, i, frame->data[i], | |
| 733 | 96 | frame->linesize[i], avctx->width, | |
| 734 | avctx->height, plane_start[i], | ||
| 735 | 96 | c->frame_pred == PRED_LEFT); | |
| 736 |
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96 | if (ret) |
| 737 | ✗ | return ret; | |
| 738 |
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96 | if (c->frame_pred == PRED_MEDIAN) { |
| 739 |
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53 | if (!c->interlaced) { |
| 740 | 50 | restore_median_planar(c, frame->data[i], | |
| 741 | 50 | frame->linesize[i], avctx->width, | |
| 742 | avctx->height, c->slices, 0); | ||
| 743 | } else { | ||
| 744 | 3 | restore_median_planar_il(c, frame->data[i], | |
| 745 | 3 | frame->linesize[i], | |
| 746 | avctx->width, avctx->height, c->slices, | ||
| 747 | 0); | ||
| 748 | } | ||
| 749 |
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43 | } else if (c->frame_pred == PRED_GRADIENT) { |
| 750 |
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7 | if (!c->interlaced) { |
| 751 | 4 | restore_gradient_planar(c, frame->data[i], | |
| 752 | 4 | frame->linesize[i], avctx->width, | |
| 753 | avctx->height, c->slices, 0); | ||
| 754 | } else { | ||
| 755 | 3 | restore_gradient_planar_il(c, frame->data[i], | |
| 756 | 3 | frame->linesize[i], | |
| 757 | avctx->width, avctx->height, c->slices, | ||
| 758 | 0); | ||
| 759 | } | ||
| 760 | } | ||
| 761 | } | ||
| 762 | 28 | c->utdsp.restore_rgb_planes(frame->data[2], frame->data[0], frame->data[1], | |
| 763 | 28 | frame->linesize[2], frame->linesize[0], frame->linesize[1], | |
| 764 | avctx->width, avctx->height); | ||
| 765 | 28 | break; | |
| 766 | ✗ | case AV_PIX_FMT_GBRAP10: | |
| 767 | case AV_PIX_FMT_GBRP10: | ||
| 768 | ✗ | for (i = 0; i < c->planes; i++) { | |
| 769 | ✗ | ret = decode_plane10(c, i, (uint16_t *)frame->data[i], | |
| 770 | ✗ | frame->linesize[i] / 2, avctx->width, | |
| 771 | avctx->height, plane_start[i], | ||
| 772 | ✗ | plane_start[i + 1] - 1024, | |
| 773 | ✗ | c->frame_pred == PRED_LEFT); | |
| 774 | ✗ | if (ret) | |
| 775 | ✗ | return ret; | |
| 776 | } | ||
| 777 | ✗ | c->utdsp.restore_rgb_planes10((uint16_t *)frame->data[2], (uint16_t *)frame->data[0], (uint16_t *)frame->data[1], | |
| 778 | ✗ | frame->linesize[2] / 2, frame->linesize[0] / 2, frame->linesize[1] / 2, | |
| 779 | avctx->width, avctx->height); | ||
| 780 | ✗ | break; | |
| 781 | 14 | case AV_PIX_FMT_YUV420P: | |
| 782 |
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56 | for (i = 0; i < 3; i++) { |
| 783 | 42 | ret = decode_plane(c, i, frame->data[i], frame->linesize[i], | |
| 784 | 42 | avctx->width >> !!i, avctx->height >> !!i, | |
| 785 | 42 | plane_start[i], c->frame_pred == PRED_LEFT); | |
| 786 |
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42 | if (ret) |
| 787 | ✗ | return ret; | |
| 788 |
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|
42 | if (c->frame_pred == PRED_MEDIAN) { |
| 789 |
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|
15 | if (!c->interlaced) { |
| 790 | 12 | restore_median_planar(c, frame->data[i], frame->linesize[i], | |
| 791 | 12 | avctx->width >> !!i, avctx->height >> !!i, | |
| 792 | c->slices, !i); | ||
| 793 | } else { | ||
| 794 | 3 | restore_median_planar_il(c, frame->data[i], frame->linesize[i], | |
| 795 | 3 | avctx->width >> !!i, | |
| 796 | 3 | avctx->height >> !!i, | |
| 797 | c->slices, !i); | ||
| 798 | } | ||
| 799 |
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27 | } else if (c->frame_pred == PRED_GRADIENT) { |
| 800 |
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|
6 | if (!c->interlaced) { |
| 801 | 3 | restore_gradient_planar(c, frame->data[i], frame->linesize[i], | |
| 802 | 3 | avctx->width >> !!i, avctx->height >> !!i, | |
| 803 | c->slices, !i); | ||
| 804 | } else { | ||
| 805 | 3 | restore_gradient_planar_il(c, frame->data[i], frame->linesize[i], | |
| 806 | 3 | avctx->width >> !!i, | |
| 807 | 3 | avctx->height >> !!i, | |
| 808 | c->slices, !i); | ||
| 809 | } | ||
| 810 | } | ||
| 811 | } | ||
| 812 | 14 | break; | |
| 813 | 11 | case AV_PIX_FMT_YUV422P: | |
| 814 |
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44 | for (i = 0; i < 3; i++) { |
| 815 | 33 | ret = decode_plane(c, i, frame->data[i], frame->linesize[i], | |
| 816 | 33 | avctx->width >> !!i, avctx->height, | |
| 817 | 33 | plane_start[i], c->frame_pred == PRED_LEFT); | |
| 818 |
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33 | if (ret) |
| 819 | ✗ | return ret; | |
| 820 |
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33 | if (c->frame_pred == PRED_MEDIAN) { |
| 821 |
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|
15 | if (!c->interlaced) { |
| 822 | 12 | restore_median_planar(c, frame->data[i], frame->linesize[i], | |
| 823 | 12 | avctx->width >> !!i, avctx->height, | |
| 824 | c->slices, 0); | ||
| 825 | } else { | ||
| 826 | 3 | restore_median_planar_il(c, frame->data[i], frame->linesize[i], | |
| 827 | 3 | avctx->width >> !!i, avctx->height, | |
| 828 | c->slices, 0); | ||
| 829 | } | ||
| 830 |
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18 | } else if (c->frame_pred == PRED_GRADIENT) { |
| 831 |
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6 | if (!c->interlaced) { |
| 832 | 3 | restore_gradient_planar(c, frame->data[i], frame->linesize[i], | |
| 833 | 3 | avctx->width >> !!i, avctx->height, | |
| 834 | c->slices, 0); | ||
| 835 | } else { | ||
| 836 | 3 | restore_gradient_planar_il(c, frame->data[i], frame->linesize[i], | |
| 837 | 3 | avctx->width >> !!i, avctx->height, | |
| 838 | c->slices, 0); | ||
| 839 | } | ||
| 840 | } | ||
| 841 | } | ||
| 842 | 11 | break; | |
| 843 | 4 | case AV_PIX_FMT_YUV444P: | |
| 844 |
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16 | for (i = 0; i < 3; i++) { |
| 845 | 12 | ret = decode_plane(c, i, frame->data[i], frame->linesize[i], | |
| 846 | avctx->width, avctx->height, | ||
| 847 | 12 | plane_start[i], c->frame_pred == PRED_LEFT); | |
| 848 |
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12 | if (ret) |
| 849 | ✗ | return ret; | |
| 850 |
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12 | if (c->frame_pred == PRED_MEDIAN) { |
| 851 |
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6 | if (!c->interlaced) { |
| 852 | 3 | restore_median_planar(c, frame->data[i], frame->linesize[i], | |
| 853 | avctx->width, avctx->height, | ||
| 854 | c->slices, 0); | ||
| 855 | } else { | ||
| 856 | 3 | restore_median_planar_il(c, frame->data[i], frame->linesize[i], | |
| 857 | avctx->width, avctx->height, | ||
| 858 | c->slices, 0); | ||
| 859 | } | ||
| 860 |
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6 | } else if (c->frame_pred == PRED_GRADIENT) { |
| 861 |
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6 | if (!c->interlaced) { |
| 862 | 3 | restore_gradient_planar(c, frame->data[i], frame->linesize[i], | |
| 863 | avctx->width, avctx->height, | ||
| 864 | c->slices, 0); | ||
| 865 | } else { | ||
| 866 | 3 | restore_gradient_planar_il(c, frame->data[i], frame->linesize[i], | |
| 867 | avctx->width, avctx->height, | ||
| 868 | c->slices, 0); | ||
| 869 | } | ||
| 870 | } | ||
| 871 | } | ||
| 872 | 4 | break; | |
| 873 | ✗ | case AV_PIX_FMT_YUV420P10: | |
| 874 | ✗ | for (i = 0; i < 3; i++) { | |
| 875 | ✗ | ret = decode_plane10(c, i, (uint16_t *)frame->data[i], frame->linesize[i] / 2, | |
| 876 | ✗ | avctx->width >> !!i, avctx->height >> !!i, | |
| 877 | ✗ | plane_start[i], plane_start[i + 1] - 1024, c->frame_pred == PRED_LEFT); | |
| 878 | ✗ | if (ret) | |
| 879 | ✗ | return ret; | |
| 880 | } | ||
| 881 | ✗ | break; | |
| 882 | ✗ | case AV_PIX_FMT_YUV422P10: | |
| 883 | ✗ | for (i = 0; i < 3; i++) { | |
| 884 | ✗ | ret = decode_plane10(c, i, (uint16_t *)frame->data[i], frame->linesize[i] / 2, | |
| 885 | ✗ | avctx->width >> !!i, avctx->height, | |
| 886 | ✗ | plane_start[i], plane_start[i + 1] - 1024, c->frame_pred == PRED_LEFT); | |
| 887 | ✗ | if (ret) | |
| 888 | ✗ | return ret; | |
| 889 | } | ||
| 890 | ✗ | break; | |
| 891 | } | ||
| 892 | |||
| 893 | 57 | frame->flags |= AV_FRAME_FLAG_KEY; | |
| 894 | 57 | frame->pict_type = AV_PICTURE_TYPE_I; | |
| 895 |
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57 | if (c->interlaced) |
| 896 | 8 | frame->flags |= AV_FRAME_FLAG_INTERLACED; | |
| 897 | |||
| 898 | 57 | *got_frame = 1; | |
| 899 | |||
| 900 | /* always report that the buffer was completely consumed */ | ||
| 901 | 57 | return buf_size; | |
| 902 | } | ||
| 903 | |||
| 904 | 46 | static av_cold int decode_init(AVCodecContext *avctx) | |
| 905 | { | ||
| 906 | 46 | UtvideoContext * const c = avctx->priv_data; | |
| 907 | int h_shift, v_shift; | ||
| 908 | |||
| 909 | 46 | c->avctx = avctx; | |
| 910 | |||
| 911 | 46 | ff_utvideodsp_init(&c->utdsp); | |
| 912 | 46 | ff_bswapdsp_init(&c->bdsp); | |
| 913 | 46 | ff_llviddsp_init(&c->llviddsp); | |
| 914 | |||
| 915 | 46 | c->slice_bits_size = 0; | |
| 916 | |||
| 917 |
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|
46 | switch (avctx->codec_tag) { |
| 918 | 10 | case MKTAG('U', 'L', 'R', 'G'): | |
| 919 | 10 | c->planes = 3; | |
| 920 | 10 | avctx->pix_fmt = AV_PIX_FMT_GBRP; | |
| 921 | 10 | break; | |
| 922 | 8 | case MKTAG('U', 'L', 'R', 'A'): | |
| 923 | 8 | c->planes = 4; | |
| 924 | 8 | avctx->pix_fmt = AV_PIX_FMT_GBRAP; | |
| 925 | 8 | break; | |
| 926 | 4 | case MKTAG('U', 'L', 'Y', '0'): | |
| 927 | 4 | c->planes = 3; | |
| 928 | 4 | avctx->pix_fmt = AV_PIX_FMT_YUV420P; | |
| 929 | 4 | avctx->colorspace = AVCOL_SPC_BT470BG; | |
| 930 | 4 | break; | |
| 931 | 4 | case MKTAG('U', 'L', 'Y', '2'): | |
| 932 | 4 | c->planes = 3; | |
| 933 | 4 | avctx->pix_fmt = AV_PIX_FMT_YUV422P; | |
| 934 | 4 | avctx->colorspace = AVCOL_SPC_BT470BG; | |
| 935 | 4 | break; | |
| 936 | ✗ | case MKTAG('U', 'L', 'Y', '4'): | |
| 937 | ✗ | c->planes = 3; | |
| 938 | ✗ | avctx->pix_fmt = AV_PIX_FMT_YUV444P; | |
| 939 | ✗ | avctx->colorspace = AVCOL_SPC_BT470BG; | |
| 940 | ✗ | break; | |
| 941 | ✗ | case MKTAG('U', 'Q', 'Y', '0'): | |
| 942 | ✗ | c->planes = 3; | |
| 943 | ✗ | c->pro = 1; | |
| 944 | ✗ | avctx->pix_fmt = AV_PIX_FMT_YUV420P10; | |
| 945 | ✗ | break; | |
| 946 | ✗ | case MKTAG('U', 'Q', 'Y', '2'): | |
| 947 | ✗ | c->planes = 3; | |
| 948 | ✗ | c->pro = 1; | |
| 949 | ✗ | avctx->pix_fmt = AV_PIX_FMT_YUV422P10; | |
| 950 | ✗ | break; | |
| 951 | ✗ | case MKTAG('U', 'Q', 'R', 'G'): | |
| 952 | ✗ | c->planes = 3; | |
| 953 | ✗ | c->pro = 1; | |
| 954 | ✗ | avctx->pix_fmt = AV_PIX_FMT_GBRP10; | |
| 955 | ✗ | break; | |
| 956 | ✗ | case MKTAG('U', 'Q', 'R', 'A'): | |
| 957 | ✗ | c->planes = 4; | |
| 958 | ✗ | c->pro = 1; | |
| 959 | ✗ | avctx->pix_fmt = AV_PIX_FMT_GBRAP10; | |
| 960 | ✗ | break; | |
| 961 | 6 | case MKTAG('U', 'L', 'H', '0'): | |
| 962 | 6 | c->planes = 3; | |
| 963 | 6 | avctx->pix_fmt = AV_PIX_FMT_YUV420P; | |
| 964 | 6 | avctx->colorspace = AVCOL_SPC_BT709; | |
| 965 | 6 | break; | |
| 966 | 6 | case MKTAG('U', 'L', 'H', '2'): | |
| 967 | 6 | c->planes = 3; | |
| 968 | 6 | avctx->pix_fmt = AV_PIX_FMT_YUV422P; | |
| 969 | 6 | avctx->colorspace = AVCOL_SPC_BT709; | |
| 970 | 6 | break; | |
| 971 | 8 | case MKTAG('U', 'L', 'H', '4'): | |
| 972 | 8 | c->planes = 3; | |
| 973 | 8 | avctx->pix_fmt = AV_PIX_FMT_YUV444P; | |
| 974 | 8 | avctx->colorspace = AVCOL_SPC_BT709; | |
| 975 | 8 | break; | |
| 976 | ✗ | case MKTAG('U', 'M', 'Y', '2'): | |
| 977 | ✗ | c->planes = 3; | |
| 978 | ✗ | c->pack = 1; | |
| 979 | ✗ | avctx->pix_fmt = AV_PIX_FMT_YUV422P; | |
| 980 | ✗ | avctx->colorspace = AVCOL_SPC_BT470BG; | |
| 981 | ✗ | break; | |
| 982 | ✗ | case MKTAG('U', 'M', 'H', '2'): | |
| 983 | ✗ | c->planes = 3; | |
| 984 | ✗ | c->pack = 1; | |
| 985 | ✗ | avctx->pix_fmt = AV_PIX_FMT_YUV422P; | |
| 986 | ✗ | avctx->colorspace = AVCOL_SPC_BT709; | |
| 987 | ✗ | break; | |
| 988 | ✗ | case MKTAG('U', 'M', 'Y', '4'): | |
| 989 | ✗ | c->planes = 3; | |
| 990 | ✗ | c->pack = 1; | |
| 991 | ✗ | avctx->pix_fmt = AV_PIX_FMT_YUV444P; | |
| 992 | ✗ | avctx->colorspace = AVCOL_SPC_BT470BG; | |
| 993 | ✗ | break; | |
| 994 | ✗ | case MKTAG('U', 'M', 'H', '4'): | |
| 995 | ✗ | c->planes = 3; | |
| 996 | ✗ | c->pack = 1; | |
| 997 | ✗ | avctx->pix_fmt = AV_PIX_FMT_YUV444P; | |
| 998 | ✗ | avctx->colorspace = AVCOL_SPC_BT709; | |
| 999 | ✗ | break; | |
| 1000 | ✗ | case MKTAG('U', 'M', 'R', 'G'): | |
| 1001 | ✗ | c->planes = 3; | |
| 1002 | ✗ | c->pack = 1; | |
| 1003 | ✗ | avctx->pix_fmt = AV_PIX_FMT_GBRP; | |
| 1004 | ✗ | break; | |
| 1005 | ✗ | case MKTAG('U', 'M', 'R', 'A'): | |
| 1006 | ✗ | c->planes = 4; | |
| 1007 | ✗ | c->pack = 1; | |
| 1008 | ✗ | avctx->pix_fmt = AV_PIX_FMT_GBRAP; | |
| 1009 | ✗ | break; | |
| 1010 | ✗ | default: | |
| 1011 | ✗ | av_log(avctx, AV_LOG_ERROR, "Unknown Ut Video FOURCC provided (%08X)\n", | |
| 1012 | avctx->codec_tag); | ||
| 1013 | ✗ | return AVERROR_INVALIDDATA; | |
| 1014 | } | ||
| 1015 | |||
| 1016 | 46 | av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &h_shift, &v_shift); | |
| 1017 |
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46 | if ((avctx->width & ((1<<h_shift)-1)) || |
| 1018 |
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46 | (avctx->height & ((1<<v_shift)-1))) { |
| 1019 | ✗ | avpriv_request_sample(avctx, "Odd dimensions"); | |
| 1020 | ✗ | return AVERROR_PATCHWELCOME; | |
| 1021 | } | ||
| 1022 | |||
| 1023 |
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46 | if (c->pack && avctx->extradata_size >= 16) { |
| 1024 | ✗ | av_log(avctx, AV_LOG_DEBUG, "Encoder version %d.%d.%d.%d\n", | |
| 1025 | ✗ | avctx->extradata[3], avctx->extradata[2], | |
| 1026 | ✗ | avctx->extradata[1], avctx->extradata[0]); | |
| 1027 | ✗ | av_log(avctx, AV_LOG_DEBUG, "Original format %"PRIX32"\n", | |
| 1028 | ✗ | AV_RB32(avctx->extradata + 4)); | |
| 1029 | ✗ | c->compression = avctx->extradata[8]; | |
| 1030 | ✗ | if (c->compression != 2) | |
| 1031 | ✗ | avpriv_request_sample(avctx, "Unknown compression type"); | |
| 1032 | ✗ | c->slices = avctx->extradata[9] + 1; | |
| 1033 |
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46 | } else if (!c->pro && avctx->extradata_size >= 16) { |
| 1034 | 46 | av_log(avctx, AV_LOG_DEBUG, "Encoder version %d.%d.%d.%d\n", | |
| 1035 | 46 | avctx->extradata[3], avctx->extradata[2], | |
| 1036 | 46 | avctx->extradata[1], avctx->extradata[0]); | |
| 1037 | 46 | av_log(avctx, AV_LOG_DEBUG, "Original format %"PRIX32"\n", | |
| 1038 | 46 | AV_RB32(avctx->extradata + 4)); | |
| 1039 | 46 | c->frame_info_size = AV_RL32(avctx->extradata + 8); | |
| 1040 | 46 | c->flags = AV_RL32(avctx->extradata + 12); | |
| 1041 | |||
| 1042 |
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46 | if (c->frame_info_size != 4) |
| 1043 | ✗ | avpriv_request_sample(avctx, "Frame info not 4 bytes"); | |
| 1044 | 46 | av_log(avctx, AV_LOG_DEBUG, "Encoding parameters %08"PRIX32"\n", c->flags); | |
| 1045 | 46 | c->slices = (c->flags >> 24) + 1; | |
| 1046 | 46 | c->compression = c->flags & 1; | |
| 1047 | 46 | c->interlaced = c->flags & 0x800; | |
| 1048 | ✗ | } else if (c->pro && avctx->extradata_size == 8) { | |
| 1049 | ✗ | av_log(avctx, AV_LOG_DEBUG, "Encoder version %d.%d.%d.%d\n", | |
| 1050 | ✗ | avctx->extradata[3], avctx->extradata[2], | |
| 1051 | ✗ | avctx->extradata[1], avctx->extradata[0]); | |
| 1052 | ✗ | av_log(avctx, AV_LOG_DEBUG, "Original format %"PRIX32"\n", | |
| 1053 | ✗ | AV_RB32(avctx->extradata + 4)); | |
| 1054 | ✗ | c->interlaced = 0; | |
| 1055 | ✗ | c->frame_info_size = 4; | |
| 1056 | } else { | ||
| 1057 | ✗ | av_log(avctx, AV_LOG_ERROR, | |
| 1058 | "Insufficient extradata size %d, should be at least 16\n", | ||
| 1059 | avctx->extradata_size); | ||
| 1060 | ✗ | return AVERROR_INVALIDDATA; | |
| 1061 | } | ||
| 1062 | |||
| 1063 |
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46 | c->buffer = av_calloc(avctx->width + 8, c->pro?2:1); |
| 1064 |
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46 | if (!c->buffer) |
| 1065 | ✗ | return AVERROR(ENOMEM); | |
| 1066 | |||
| 1067 | 46 | return 0; | |
| 1068 | } | ||
| 1069 | |||
| 1070 | 46 | static av_cold int decode_end(AVCodecContext *avctx) | |
| 1071 | { | ||
| 1072 | 46 | UtvideoContext * const c = avctx->priv_data; | |
| 1073 | |||
| 1074 | 46 | av_freep(&c->slice_bits); | |
| 1075 | 46 | av_freep(&c->buffer); | |
| 1076 | |||
| 1077 | 46 | return 0; | |
| 1078 | } | ||
| 1079 | |||
| 1080 | const FFCodec ff_utvideo_decoder = { | ||
| 1081 | .p.name = "utvideo", | ||
| 1082 | CODEC_LONG_NAME("Ut Video"), | ||
| 1083 | .p.type = AVMEDIA_TYPE_VIDEO, | ||
| 1084 | .p.id = AV_CODEC_ID_UTVIDEO, | ||
| 1085 | .priv_data_size = sizeof(UtvideoContext), | ||
| 1086 | .init = decode_init, | ||
| 1087 | .close = decode_end, | ||
| 1088 | FF_CODEC_DECODE_CB(decode_frame), | ||
| 1089 | .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS, | ||
| 1090 | }; | ||
| 1091 |