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| 1 /* |
| 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 |
| 12 #include <stdlib.h> |
| 13 #include <string.h> |
| 14 #include "vpx/vpx_decoder.h" |
| 15 #include "vpx/vp8dx.h" |
| 16 #include "vpx/internal/vpx_codec_internal.h" |
| 17 #include "vpx_version.h" |
| 18 #include "common/vp9_onyxd.h" |
| 19 #include "decoder/vp9_onyxd_int.h" |
| 20 |
| 21 #define VP8_CAP_POSTPROC (CONFIG_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0) |
| 22 typedef vpx_codec_stream_info_t vp8_stream_info_t; |
| 23 |
| 24 /* Structures for handling memory allocations */ |
| 25 typedef enum { |
| 26 VP8_SEG_ALG_PRIV = 256, |
| 27 VP8_SEG_MAX |
| 28 } mem_seg_id_t; |
| 29 #define NELEMENTS(x) ((int)(sizeof(x)/sizeof(x[0]))) |
| 30 |
| 31 static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_
t); |
| 32 |
| 33 typedef struct { |
| 34 unsigned int id; |
| 35 unsigned long sz; |
| 36 unsigned int align; |
| 37 unsigned int flags; |
| 38 unsigned long(*calc_sz)(const vpx_codec_dec_cfg_t *, vpx_codec_flags_t); |
| 39 } mem_req_t; |
| 40 |
| 41 static const mem_req_t vp8_mem_req_segs[] = { |
| 42 {VP8_SEG_ALG_PRIV, 0, 8, VPX_CODEC_MEM_ZERO, vp8_priv_sz}, |
| 43 {VP8_SEG_MAX, 0, 0, 0, NULL} |
| 44 }; |
| 45 |
| 46 struct vpx_codec_alg_priv { |
| 47 vpx_codec_priv_t base; |
| 48 vpx_codec_mmap_t mmaps[NELEMENTS(vp8_mem_req_segs) - 1]; |
| 49 vpx_codec_dec_cfg_t cfg; |
| 50 vp8_stream_info_t si; |
| 51 int defer_alloc; |
| 52 int decoder_init; |
| 53 VP9D_PTR pbi; |
| 54 int postproc_cfg_set; |
| 55 vp8_postproc_cfg_t postproc_cfg; |
| 56 #if CONFIG_POSTPROC_VISUALIZER |
| 57 unsigned int dbg_postproc_flag; |
| 58 int dbg_color_ref_frame_flag; |
| 59 int dbg_color_mb_modes_flag; |
| 60 int dbg_color_b_modes_flag; |
| 61 int dbg_display_mv_flag; |
| 62 #endif |
| 63 vpx_image_t img; |
| 64 int img_setup; |
| 65 int img_avail; |
| 66 }; |
| 67 |
| 68 static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, |
| 69 vpx_codec_flags_t flags) { |
| 70 /* Although this declaration is constant, we can't use it in the requested |
| 71 * segments list because we want to define the requested segments list |
| 72 * before defining the private type (so that the number of memory maps is |
| 73 * known) |
| 74 */ |
| 75 (void)si; |
| 76 return sizeof(vpx_codec_alg_priv_t); |
| 77 } |
| 78 |
| 79 |
| 80 static void vp8_mmap_dtor(vpx_codec_mmap_t *mmap) { |
| 81 free(mmap->priv); |
| 82 } |
| 83 |
| 84 static vpx_codec_err_t vp8_mmap_alloc(vpx_codec_mmap_t *mmap) { |
| 85 vpx_codec_err_t res; |
| 86 unsigned int align; |
| 87 |
| 88 align = mmap->align ? mmap->align - 1 : 0; |
| 89 |
| 90 if (mmap->flags & VPX_CODEC_MEM_ZERO) |
| 91 mmap->priv = calloc(1, mmap->sz + align); |
| 92 else |
| 93 mmap->priv = malloc(mmap->sz + align); |
| 94 |
| 95 res = (mmap->priv) ? VPX_CODEC_OK : VPX_CODEC_MEM_ERROR; |
| 96 mmap->base = (void *)((((uintptr_t)mmap->priv) + align) & ~(uintptr_t)align); |
| 97 mmap->dtor = vp8_mmap_dtor; |
| 98 return res; |
| 99 } |
| 100 |
| 101 static vpx_codec_err_t vp8_validate_mmaps(const vp8_stream_info_t *si, |
| 102 const vpx_codec_mmap_t *mmaps, |
| 103 vpx_codec_flags_t init_flags) { |
| 104 int i; |
| 105 vpx_codec_err_t res = VPX_CODEC_OK; |
| 106 |
| 107 for (i = 0; i < NELEMENTS(vp8_mem_req_segs) - 1; i++) { |
| 108 /* Ensure the segment has been allocated */ |
| 109 if (!mmaps[i].base) { |
| 110 res = VPX_CODEC_MEM_ERROR; |
| 111 break; |
| 112 } |
| 113 |
| 114 /* Verify variable size segment is big enough for the current si. */ |
| 115 if (vp8_mem_req_segs[i].calc_sz) { |
| 116 vpx_codec_dec_cfg_t cfg; |
| 117 |
| 118 cfg.w = si->w; |
| 119 cfg.h = si->h; |
| 120 |
| 121 if (mmaps[i].sz < vp8_mem_req_segs[i].calc_sz(&cfg, init_flags)) { |
| 122 res = VPX_CODEC_MEM_ERROR; |
| 123 break; |
| 124 } |
| 125 } |
| 126 } |
| 127 |
| 128 return res; |
| 129 } |
| 130 |
| 131 static void vp8_init_ctx(vpx_codec_ctx_t *ctx, const vpx_codec_mmap_t *mmap) { |
| 132 int i; |
| 133 |
| 134 ctx->priv = mmap->base; |
| 135 ctx->priv->sz = sizeof(*ctx->priv); |
| 136 ctx->priv->iface = ctx->iface; |
| 137 ctx->priv->alg_priv = mmap->base; |
| 138 |
| 139 for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++) |
| 140 ctx->priv->alg_priv->mmaps[i].id = vp8_mem_req_segs[i].id; |
| 141 |
| 142 ctx->priv->alg_priv->mmaps[0] = *mmap; |
| 143 ctx->priv->alg_priv->si.sz = sizeof(ctx->priv->alg_priv->si); |
| 144 ctx->priv->init_flags = ctx->init_flags; |
| 145 |
| 146 if (ctx->config.dec) { |
| 147 /* Update the reference to the config structure to an internal copy. */ |
| 148 ctx->priv->alg_priv->cfg = *ctx->config.dec; |
| 149 ctx->config.dec = &ctx->priv->alg_priv->cfg; |
| 150 } |
| 151 } |
| 152 |
| 153 static void *mmap_lkup(vpx_codec_alg_priv_t *ctx, unsigned int id) { |
| 154 int i; |
| 155 |
| 156 for (i = 0; i < NELEMENTS(ctx->mmaps); i++) |
| 157 if (ctx->mmaps[i].id == id) |
| 158 return ctx->mmaps[i].base; |
| 159 |
| 160 return NULL; |
| 161 } |
| 162 static void vp8_finalize_mmaps(vpx_codec_alg_priv_t *ctx) { |
| 163 /* nothing to clean up */ |
| 164 } |
| 165 |
| 166 static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx, |
| 167 vpx_codec_priv_enc_mr_cfg_t *data) { |
| 168 vpx_codec_err_t res = VPX_CODEC_OK; |
| 169 |
| 170 /* This function only allocates space for the vpx_codec_alg_priv_t |
| 171 * structure. More memory may be required at the time the stream |
| 172 * information becomes known. |
| 173 */ |
| 174 if (!ctx->priv) { |
| 175 vpx_codec_mmap_t mmap; |
| 176 |
| 177 mmap.id = vp8_mem_req_segs[0].id; |
| 178 mmap.sz = sizeof(vpx_codec_alg_priv_t); |
| 179 mmap.align = vp8_mem_req_segs[0].align; |
| 180 mmap.flags = vp8_mem_req_segs[0].flags; |
| 181 |
| 182 res = vp8_mmap_alloc(&mmap); |
| 183 |
| 184 if (!res) { |
| 185 vp8_init_ctx(ctx, &mmap); |
| 186 |
| 187 ctx->priv->alg_priv->defer_alloc = 1; |
| 188 /*post processing level initialized to do nothing */ |
| 189 } |
| 190 } |
| 191 |
| 192 return res; |
| 193 } |
| 194 |
| 195 static vpx_codec_err_t vp8_destroy(vpx_codec_alg_priv_t *ctx) { |
| 196 int i; |
| 197 |
| 198 vp9_remove_decompressor(ctx->pbi); |
| 199 |
| 200 for (i = NELEMENTS(ctx->mmaps) - 1; i >= 0; i--) { |
| 201 if (ctx->mmaps[i].dtor) |
| 202 ctx->mmaps[i].dtor(&ctx->mmaps[i]); |
| 203 } |
| 204 |
| 205 return VPX_CODEC_OK; |
| 206 } |
| 207 |
| 208 static vpx_codec_err_t vp8_peek_si(const uint8_t *data, |
| 209 unsigned int data_sz, |
| 210 vpx_codec_stream_info_t *si) { |
| 211 vpx_codec_err_t res = VPX_CODEC_OK; |
| 212 |
| 213 if (data + data_sz <= data) |
| 214 res = VPX_CODEC_INVALID_PARAM; |
| 215 else { |
| 216 /* Parse uncompresssed part of key frame header. |
| 217 * 3 bytes:- including version, frame type and an offset |
| 218 * 3 bytes:- sync code (0x9d, 0x01, 0x2a) |
| 219 * 4 bytes:- including image width and height in the lowest 14 bits |
| 220 * of each 2-byte value. |
| 221 */ |
| 222 si->is_kf = 0; |
| 223 |
| 224 if (data_sz >= 10 && !(data[0] & 0x01)) { /* I-Frame */ |
| 225 const uint8_t *c = data + 3; |
| 226 si->is_kf = 1; |
| 227 |
| 228 /* vet via sync code */ |
| 229 if (c[0] != 0x9d || c[1] != 0x01 || c[2] != 0x2a) |
| 230 res = VPX_CODEC_UNSUP_BITSTREAM; |
| 231 |
| 232 si->w = (c[3] | (c[4] << 8)) & 0x3fff; |
| 233 si->h = (c[5] | (c[6] << 8)) & 0x3fff; |
| 234 |
| 235 /*printf("w=%d, h=%d\n", si->w, si->h);*/ |
| 236 if (!(si->h | si->w)) |
| 237 res = VPX_CODEC_UNSUP_BITSTREAM; |
| 238 } else |
| 239 res = VPX_CODEC_UNSUP_BITSTREAM; |
| 240 } |
| 241 |
| 242 return res; |
| 243 |
| 244 } |
| 245 |
| 246 static vpx_codec_err_t vp8_get_si(vpx_codec_alg_priv_t *ctx, |
| 247 vpx_codec_stream_info_t *si) { |
| 248 |
| 249 unsigned int sz; |
| 250 |
| 251 if (si->sz >= sizeof(vp8_stream_info_t)) |
| 252 sz = sizeof(vp8_stream_info_t); |
| 253 else |
| 254 sz = sizeof(vpx_codec_stream_info_t); |
| 255 |
| 256 memcpy(si, &ctx->si, sz); |
| 257 si->sz = sz; |
| 258 |
| 259 return VPX_CODEC_OK; |
| 260 } |
| 261 |
| 262 |
| 263 static vpx_codec_err_t |
| 264 update_error_state(vpx_codec_alg_priv_t *ctx, |
| 265 const struct vpx_internal_error_info *error) { |
| 266 vpx_codec_err_t res; |
| 267 |
| 268 if ((res = error->error_code)) |
| 269 ctx->base.err_detail = error->has_detail |
| 270 ? error->detail |
| 271 : NULL; |
| 272 |
| 273 return res; |
| 274 } |
| 275 |
| 276 static void yuvconfig2image(vpx_image_t *img, |
| 277 const YV12_BUFFER_CONFIG *yv12, |
| 278 void *user_priv) { |
| 279 /** vpx_img_wrap() doesn't allow specifying independent strides for |
| 280 * the Y, U, and V planes, nor other alignment adjustments that |
| 281 * might be representable by a YV12_BUFFER_CONFIG, so we just |
| 282 * initialize all the fields.*/ |
| 283 img->fmt = yv12->clrtype == REG_YUV ? |
| 284 VPX_IMG_FMT_I420 : VPX_IMG_FMT_VPXI420; |
| 285 img->w = yv12->y_stride; |
| 286 img->h = (yv12->y_height + 2 * VP9BORDERINPIXELS + 15) & ~15; |
| 287 img->d_w = yv12->y_width; |
| 288 img->d_h = yv12->y_height; |
| 289 img->x_chroma_shift = 1; |
| 290 img->y_chroma_shift = 1; |
| 291 img->planes[VPX_PLANE_Y] = yv12->y_buffer; |
| 292 img->planes[VPX_PLANE_U] = yv12->u_buffer; |
| 293 img->planes[VPX_PLANE_V] = yv12->v_buffer; |
| 294 img->planes[VPX_PLANE_ALPHA] = NULL; |
| 295 img->stride[VPX_PLANE_Y] = yv12->y_stride; |
| 296 img->stride[VPX_PLANE_U] = yv12->uv_stride; |
| 297 img->stride[VPX_PLANE_V] = yv12->uv_stride; |
| 298 img->stride[VPX_PLANE_ALPHA] = yv12->y_stride; |
| 299 img->bps = 12; |
| 300 img->user_priv = user_priv; |
| 301 img->img_data = yv12->buffer_alloc; |
| 302 img->img_data_owner = 0; |
| 303 img->self_allocd = 0; |
| 304 } |
| 305 |
| 306 static vpx_codec_err_t decode_one(vpx_codec_alg_priv_t *ctx, |
| 307 const uint8_t **data, |
| 308 unsigned int data_sz, |
| 309 void *user_priv, |
| 310 long deadline) { |
| 311 vpx_codec_err_t res = VPX_CODEC_OK; |
| 312 |
| 313 ctx->img_avail = 0; |
| 314 |
| 315 /* Determine the stream parameters. Note that we rely on peek_si to |
| 316 * validate that we have a buffer that does not wrap around the top |
| 317 * of the heap. |
| 318 */ |
| 319 if (!ctx->si.h) |
| 320 res = ctx->base.iface->dec.peek_si(*data, data_sz, &ctx->si); |
| 321 |
| 322 |
| 323 /* Perform deferred allocations, if required */ |
| 324 if (!res && ctx->defer_alloc) { |
| 325 int i; |
| 326 |
| 327 for (i = 1; !res && i < NELEMENTS(ctx->mmaps); i++) { |
| 328 vpx_codec_dec_cfg_t cfg; |
| 329 |
| 330 cfg.w = ctx->si.w; |
| 331 cfg.h = ctx->si.h; |
| 332 ctx->mmaps[i].id = vp8_mem_req_segs[i].id; |
| 333 ctx->mmaps[i].sz = vp8_mem_req_segs[i].sz; |
| 334 ctx->mmaps[i].align = vp8_mem_req_segs[i].align; |
| 335 ctx->mmaps[i].flags = vp8_mem_req_segs[i].flags; |
| 336 |
| 337 if (!ctx->mmaps[i].sz) |
| 338 ctx->mmaps[i].sz = vp8_mem_req_segs[i].calc_sz(&cfg, |
| 339 ctx->base.init_flags); |
| 340 |
| 341 res = vp8_mmap_alloc(&ctx->mmaps[i]); |
| 342 } |
| 343 |
| 344 if (!res) |
| 345 vp8_finalize_mmaps(ctx); |
| 346 |
| 347 ctx->defer_alloc = 0; |
| 348 } |
| 349 |
| 350 /* Initialize the decoder instance on the first frame*/ |
| 351 if (!res && !ctx->decoder_init) { |
| 352 res = vp8_validate_mmaps(&ctx->si, ctx->mmaps, ctx->base.init_flags); |
| 353 |
| 354 if (!res) { |
| 355 VP9D_CONFIG oxcf; |
| 356 VP9D_PTR optr; |
| 357 |
| 358 vp9_initialize_dec(); |
| 359 |
| 360 oxcf.Width = ctx->si.w; |
| 361 oxcf.Height = ctx->si.h; |
| 362 oxcf.Version = 9; |
| 363 oxcf.postprocess = 0; |
| 364 oxcf.max_threads = ctx->cfg.threads; |
| 365 optr = vp9_create_decompressor(&oxcf); |
| 366 |
| 367 /* If postprocessing was enabled by the application and a |
| 368 * configuration has not been provided, default it. |
| 369 */ |
| 370 if (!ctx->postproc_cfg_set |
| 371 && (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)) { |
| 372 ctx->postproc_cfg.post_proc_flag = |
| 373 VP8_DEBLOCK | VP8_DEMACROBLOCK; |
| 374 ctx->postproc_cfg.deblocking_level = 4; |
| 375 ctx->postproc_cfg.noise_level = 0; |
| 376 } |
| 377 |
| 378 if (!optr) |
| 379 res = VPX_CODEC_ERROR; |
| 380 else |
| 381 ctx->pbi = optr; |
| 382 } |
| 383 |
| 384 ctx->decoder_init = 1; |
| 385 } |
| 386 |
| 387 if (!res && ctx->pbi) { |
| 388 YV12_BUFFER_CONFIG sd; |
| 389 int64_t time_stamp = 0, time_end_stamp = 0; |
| 390 vp9_ppflags_t flags = {0}; |
| 391 |
| 392 if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC) { |
| 393 flags.post_proc_flag = ctx->postproc_cfg.post_proc_flag |
| 394 #if CONFIG_POSTPROC_VISUALIZER |
| 395 |
| 396 | ((ctx->dbg_color_ref_frame_flag != 0) ? VP9D_DEBU
G_CLR_FRM_REF_BLKS : 0) |
| 397 | ((ctx->dbg_color_mb_modes_flag != 0) ? VP9D_DEBUG
_CLR_BLK_MODES : 0) |
| 398 | ((ctx->dbg_color_b_modes_flag != 0) ? VP9D_DEBUG_
CLR_BLK_MODES : 0) |
| 399 | ((ctx->dbg_display_mv_flag != 0) ? VP9D_DEBUG_DRA
W_MV : 0) |
| 400 #endif |
| 401 ; |
| 402 flags.deblocking_level = ctx->postproc_cfg.deblocking_level; |
| 403 flags.noise_level = ctx->postproc_cfg.noise_level; |
| 404 #if CONFIG_POSTPROC_VISUALIZER |
| 405 flags.display_ref_frame_flag = ctx->dbg_color_ref_frame_flag; |
| 406 flags.display_mb_modes_flag = ctx->dbg_color_mb_modes_flag; |
| 407 flags.display_b_modes_flag = ctx->dbg_color_b_modes_flag; |
| 408 flags.display_mv_flag = ctx->dbg_display_mv_flag; |
| 409 #endif |
| 410 } |
| 411 |
| 412 if (vp9_receive_compressed_data(ctx->pbi, data_sz, data, deadline)) { |
| 413 VP9D_COMP *pbi = (VP9D_COMP *)ctx->pbi; |
| 414 res = update_error_state(ctx, &pbi->common.error); |
| 415 } |
| 416 |
| 417 if (!res && 0 == vp9_get_raw_frame(ctx->pbi, &sd, &time_stamp, |
| 418 &time_end_stamp, &flags)) { |
| 419 yuvconfig2image(&ctx->img, &sd, user_priv); |
| 420 ctx->img_avail = 1; |
| 421 } |
| 422 } |
| 423 |
| 424 return res; |
| 425 } |
| 426 |
| 427 static vpx_codec_err_t vp9_decode(vpx_codec_alg_priv_t *ctx, |
| 428 const uint8_t *data, |
| 429 unsigned int data_sz, |
| 430 void *user_priv, |
| 431 long deadline) { |
| 432 const uint8_t *data_start = data; |
| 433 const uint8_t *data_end = data + data_sz; |
| 434 vpx_codec_err_t res; |
| 435 |
| 436 do { |
| 437 res = decode_one(ctx, &data_start, data_sz, user_priv, deadline); |
| 438 assert(data_start >= data); |
| 439 assert(data_start <= data_end); |
| 440 |
| 441 /* Early exit if there was a decode error */ |
| 442 if (res) |
| 443 break; |
| 444 |
| 445 /* Account for suboptimal termination by the encoder. */ |
| 446 while (data_start < data_end && *data_start == 0) |
| 447 data_start++; |
| 448 |
| 449 data_sz = data_end - data_start; |
| 450 } while (data_start < data_end); |
| 451 return res; |
| 452 } |
| 453 |
| 454 static vpx_image_t *vp8_get_frame(vpx_codec_alg_priv_t *ctx, |
| 455 vpx_codec_iter_t *iter) { |
| 456 vpx_image_t *img = NULL; |
| 457 |
| 458 if (ctx->img_avail) { |
| 459 /* iter acts as a flip flop, so an image is only returned on the first |
| 460 * call to get_frame. |
| 461 */ |
| 462 if (!(*iter)) { |
| 463 img = &ctx->img; |
| 464 *iter = img; |
| 465 } |
| 466 } |
| 467 |
| 468 return img; |
| 469 } |
| 470 |
| 471 |
| 472 static |
| 473 vpx_codec_err_t vp8_xma_get_mmap(const vpx_codec_ctx_t *ctx, |
| 474 vpx_codec_mmap_t *mmap, |
| 475 vpx_codec_iter_t *iter) { |
| 476 vpx_codec_err_t res; |
| 477 const mem_req_t *seg_iter = *iter; |
| 478 |
| 479 /* Get address of next segment request */ |
| 480 do { |
| 481 if (!seg_iter) |
| 482 seg_iter = vp8_mem_req_segs; |
| 483 else if (seg_iter->id != VP8_SEG_MAX) |
| 484 seg_iter++; |
| 485 |
| 486 *iter = (vpx_codec_iter_t)seg_iter; |
| 487 |
| 488 if (seg_iter->id != VP8_SEG_MAX) { |
| 489 mmap->id = seg_iter->id; |
| 490 mmap->sz = seg_iter->sz; |
| 491 mmap->align = seg_iter->align; |
| 492 mmap->flags = seg_iter->flags; |
| 493 |
| 494 if (!seg_iter->sz) |
| 495 mmap->sz = seg_iter->calc_sz(ctx->config.dec, ctx->init_flags); |
| 496 |
| 497 res = VPX_CODEC_OK; |
| 498 } else |
| 499 res = VPX_CODEC_LIST_END; |
| 500 } while (!mmap->sz && res != VPX_CODEC_LIST_END); |
| 501 |
| 502 return res; |
| 503 } |
| 504 |
| 505 static vpx_codec_err_t vp8_xma_set_mmap(vpx_codec_ctx_t *ctx, |
| 506 const vpx_codec_mmap_t *mmap) { |
| 507 vpx_codec_err_t res = VPX_CODEC_MEM_ERROR; |
| 508 int i, done; |
| 509 |
| 510 if (!ctx->priv) { |
| 511 if (mmap->id == VP8_SEG_ALG_PRIV) { |
| 512 if (!ctx->priv) { |
| 513 vp8_init_ctx(ctx, mmap); |
| 514 res = VPX_CODEC_OK; |
| 515 } |
| 516 } |
| 517 } |
| 518 |
| 519 done = 1; |
| 520 |
| 521 if (!res && ctx->priv->alg_priv) { |
| 522 for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++) { |
| 523 if (ctx->priv->alg_priv->mmaps[i].id == mmap->id) |
| 524 if (!ctx->priv->alg_priv->mmaps[i].base) { |
| 525 ctx->priv->alg_priv->mmaps[i] = *mmap; |
| 526 res = VPX_CODEC_OK; |
| 527 } |
| 528 |
| 529 done &= (ctx->priv->alg_priv->mmaps[i].base != NULL); |
| 530 } |
| 531 } |
| 532 |
| 533 if (done && !res) { |
| 534 vp8_finalize_mmaps(ctx->priv->alg_priv); |
| 535 res = ctx->iface->init(ctx, NULL); |
| 536 } |
| 537 |
| 538 return res; |
| 539 } |
| 540 |
| 541 static vpx_codec_err_t image2yuvconfig(const vpx_image_t *img, |
| 542 YV12_BUFFER_CONFIG *yv12) { |
| 543 vpx_codec_err_t res = VPX_CODEC_OK; |
| 544 yv12->y_buffer = img->planes[VPX_PLANE_Y]; |
| 545 yv12->u_buffer = img->planes[VPX_PLANE_U]; |
| 546 yv12->v_buffer = img->planes[VPX_PLANE_V]; |
| 547 |
| 548 yv12->y_width = img->d_w; |
| 549 yv12->y_height = img->d_h; |
| 550 yv12->uv_width = yv12->y_width / 2; |
| 551 yv12->uv_height = yv12->y_height / 2; |
| 552 |
| 553 yv12->y_stride = img->stride[VPX_PLANE_Y]; |
| 554 yv12->uv_stride = img->stride[VPX_PLANE_U]; |
| 555 |
| 556 yv12->border = (img->stride[VPX_PLANE_Y] - img->d_w) / 2; |
| 557 yv12->clrtype = (img->fmt == VPX_IMG_FMT_VPXI420 || |
| 558 img->fmt == VPX_IMG_FMT_VPXYV12); |
| 559 |
| 560 return res; |
| 561 } |
| 562 |
| 563 |
| 564 static vpx_codec_err_t vp9_set_reference(vpx_codec_alg_priv_t *ctx, |
| 565 int ctr_id, |
| 566 va_list args) { |
| 567 |
| 568 vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *); |
| 569 |
| 570 if (data) { |
| 571 vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data; |
| 572 YV12_BUFFER_CONFIG sd; |
| 573 |
| 574 image2yuvconfig(&frame->img, &sd); |
| 575 |
| 576 return vp9_set_reference_dec(ctx->pbi, frame->frame_type, &sd); |
| 577 } else |
| 578 return VPX_CODEC_INVALID_PARAM; |
| 579 |
| 580 } |
| 581 |
| 582 static vpx_codec_err_t vp9_get_reference(vpx_codec_alg_priv_t *ctx, |
| 583 int ctr_id, |
| 584 va_list args) { |
| 585 |
| 586 vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *); |
| 587 |
| 588 if (data) { |
| 589 vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data; |
| 590 YV12_BUFFER_CONFIG sd; |
| 591 |
| 592 image2yuvconfig(&frame->img, &sd); |
| 593 |
| 594 return vp9_get_reference_dec(ctx->pbi, frame->frame_type, &sd); |
| 595 } else |
| 596 return VPX_CODEC_INVALID_PARAM; |
| 597 |
| 598 } |
| 599 |
| 600 static vpx_codec_err_t vp8_set_postproc(vpx_codec_alg_priv_t *ctx, |
| 601 int ctr_id, |
| 602 va_list args) { |
| 603 #if CONFIG_POSTPROC |
| 604 vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *); |
| 605 |
| 606 if (data) { |
| 607 ctx->postproc_cfg_set = 1; |
| 608 ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data); |
| 609 return VPX_CODEC_OK; |
| 610 } else |
| 611 return VPX_CODEC_INVALID_PARAM; |
| 612 |
| 613 #else |
| 614 return VPX_CODEC_INCAPABLE; |
| 615 #endif |
| 616 } |
| 617 |
| 618 static vpx_codec_err_t vp8_set_dbg_options(vpx_codec_alg_priv_t *ctx, |
| 619 int ctrl_id, |
| 620 va_list args) { |
| 621 #if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC |
| 622 int data = va_arg(args, int); |
| 623 |
| 624 #define MAP(id, var) case id: var = data; break; |
| 625 |
| 626 switch (ctrl_id) { |
| 627 MAP(VP8_SET_DBG_COLOR_REF_FRAME, ctx->dbg_color_ref_frame_flag); |
| 628 MAP(VP8_SET_DBG_COLOR_MB_MODES, ctx->dbg_color_mb_modes_flag); |
| 629 MAP(VP8_SET_DBG_COLOR_B_MODES, ctx->dbg_color_b_modes_flag); |
| 630 MAP(VP8_SET_DBG_DISPLAY_MV, ctx->dbg_display_mv_flag); |
| 631 } |
| 632 |
| 633 return VPX_CODEC_OK; |
| 634 #else |
| 635 return VPX_CODEC_INCAPABLE; |
| 636 #endif |
| 637 } |
| 638 |
| 639 static vpx_codec_err_t vp8_get_last_ref_updates(vpx_codec_alg_priv_t *ctx, |
| 640 int ctrl_id, |
| 641 va_list args) { |
| 642 int *update_info = va_arg(args, int *); |
| 643 VP9D_COMP *pbi = (VP9D_COMP *)ctx->pbi; |
| 644 |
| 645 if (update_info) { |
| 646 *update_info = pbi->common.refresh_alt_ref_frame * (int) VP8_ALTR_FRAME |
| 647 + pbi->common.refresh_golden_frame * (int) VP8_GOLD_FRAME |
| 648 + pbi->common.refresh_last_frame * (int) VP8_LAST_FRAME; |
| 649 |
| 650 return VPX_CODEC_OK; |
| 651 } else |
| 652 return VPX_CODEC_INVALID_PARAM; |
| 653 } |
| 654 |
| 655 |
| 656 static vpx_codec_err_t vp8_get_frame_corrupted(vpx_codec_alg_priv_t *ctx, |
| 657 int ctrl_id, |
| 658 va_list args) { |
| 659 |
| 660 int *corrupted = va_arg(args, int *); |
| 661 |
| 662 if (corrupted) { |
| 663 VP9D_COMP *pbi = (VP9D_COMP *)ctx->pbi; |
| 664 *corrupted = pbi->common.frame_to_show->corrupted; |
| 665 |
| 666 return VPX_CODEC_OK; |
| 667 } else |
| 668 return VPX_CODEC_INVALID_PARAM; |
| 669 |
| 670 } |
| 671 |
| 672 static vpx_codec_ctrl_fn_map_t ctf_maps[] = { |
| 673 {VP8_SET_REFERENCE, vp9_set_reference}, |
| 674 {VP8_COPY_REFERENCE, vp9_get_reference}, |
| 675 {VP8_SET_POSTPROC, vp8_set_postproc}, |
| 676 {VP8_SET_DBG_COLOR_REF_FRAME, vp8_set_dbg_options}, |
| 677 {VP8_SET_DBG_COLOR_MB_MODES, vp8_set_dbg_options}, |
| 678 {VP8_SET_DBG_COLOR_B_MODES, vp8_set_dbg_options}, |
| 679 {VP8_SET_DBG_DISPLAY_MV, vp8_set_dbg_options}, |
| 680 {VP8D_GET_LAST_REF_UPDATES, vp8_get_last_ref_updates}, |
| 681 {VP8D_GET_FRAME_CORRUPTED, vp8_get_frame_corrupted}, |
| 682 { -1, NULL}, |
| 683 }; |
| 684 |
| 685 |
| 686 #ifndef VERSION_STRING |
| 687 #define VERSION_STRING |
| 688 #endif |
| 689 CODEC_INTERFACE(vpx_codec_vp9_dx) = { |
| 690 "WebM Project VP9 Decoder" VERSION_STRING, |
| 691 VPX_CODEC_INTERNAL_ABI_VERSION, |
| 692 VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC, |
| 693 /* vpx_codec_caps_t caps; */ |
| 694 vp8_init, /* vpx_codec_init_fn_t init; */ |
| 695 vp8_destroy, /* vpx_codec_destroy_fn_t destroy; */ |
| 696 ctf_maps, /* vpx_codec_ctrl_fn_map_t *ctrl_maps; */ |
| 697 vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t get_mmap; */ |
| 698 vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t set_mmap; */ |
| 699 { |
| 700 vp8_peek_si, /* vpx_codec_peek_si_fn_t peek_si; */ |
| 701 vp8_get_si, /* vpx_codec_get_si_fn_t get_si; */ |
| 702 vp9_decode, /* vpx_codec_decode_fn_t decode; */ |
| 703 vp8_get_frame, /* vpx_codec_frame_get_fn_t frame_get; */ |
| 704 }, |
| 705 { |
| 706 /* encoder functions */ |
| 707 NOT_IMPLEMENTED, |
| 708 NOT_IMPLEMENTED, |
| 709 NOT_IMPLEMENTED, |
| 710 NOT_IMPLEMENTED, |
| 711 NOT_IMPLEMENTED, |
| 712 NOT_IMPLEMENTED |
| 713 } |
| 714 }; |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 11555023:
libvpx: Add VP9 decoder. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/libvpx/