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 "vp8_rtcd.h"
15 #include "vpx/vpx_decoder.h"
16 #include "vpx/vp8dx.h"
17 #include "vpx/internal/vpx_codec_internal.h"
18 #include "vpx_version.h"
19 #include "common/onyxd.h"
20 #include "decoder/onyxd_int.h"
21 #include "common/alloccommon.h"
22 #include "vpx_mem/vpx_mem.h"
23 #if CONFIG_ERROR_CONCEALMENT
24 #include "decoder/error_concealment.h"
25 #endif
26 #include "decoder/decoderthreading.h"
27
28 #define VP8_CAP_POSTPROC (CONFIG_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
29 #define VP8_CAP_ERROR_CONCEALMENT (CONFIG_ERROR_CONCEALMENT ? \
30 VPX_CODEC_CAP_ERROR_CONCEALMENT : 0)
31
32 typedef vpx_codec_stream_info_t vp8_stream_info_t;
33
34 /* Structures for handling memory allocations */
35 typedef enum
36 {
37 VP8_SEG_ALG_PRIV = 256,
38 VP8_SEG_MAX
39 } mem_seg_id_t;
40 #define NELEMENTS(x) ((int)(sizeof(x)/sizeof(x[0])))
41
42 static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t);
43
44 static const mem_req_t vp8_mem_req_segs[] =
45 {
46 {VP8_SEG_ALG_PRIV, 0, 8, VPX_CODEC_MEM_ZERO, vp8_priv_sz},
47 {VP8_SEG_MAX, 0, 0, 0, NULL}
48 };
49
50 struct vpx_codec_alg_priv
51 {
52 vpx_codec_priv_t base;
53 vpx_codec_mmap_t mmaps[NELEMENTS(vp8_mem_req_segs)-1];
54 vpx_codec_dec_cfg_t cfg;
55 vp8_stream_info_t si;
56 int defer_alloc;
57 int decoder_init;
58 int postproc_cfg_set;
59 vp8_postproc_cfg_t postproc_cfg;
60 #if CONFIG_POSTPROC_VISUALIZER
61 unsigned int dbg_postproc_flag;
62 int dbg_color_ref_frame_flag;
63 int dbg_color_mb_modes_flag;
64 int dbg_color_b_modes_flag;
65 int dbg_display_mv_flag;
66 #endif
67 vp8_decrypt_cb *decrypt_cb;
68 void *decrypt_state;
69 vpx_image_t img;
70 int img_setup;
71 struct frame_buffers yv12_frame_buffers;
72 void *user_priv;
73 FRAGMENT_DATA fragments;
74 };
75
vp8_priv_sz(const vpx_codec_dec_cfg_t * si,vpx_codec_flags_t flags)76 static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t flags)
77 {
78 /* Although this declaration is constant, we can't use it in the requested
79 * segments list because we want to define the requested segments list
80 * before defining the private type (so that the number of memory maps is
81 * known)
82 */
83 (void)si;
84 (void)flags;
85 return sizeof(vpx_codec_alg_priv_t);
86 }
87
vp8_init_ctx(vpx_codec_ctx_t * ctx,const vpx_codec_mmap_t * mmap)88 static void vp8_init_ctx(vpx_codec_ctx_t *ctx, const vpx_codec_mmap_t *mmap)
89 {
90 int i;
91
92 ctx->priv = mmap->base;
93 ctx->priv->sz = sizeof(*ctx->priv);
94 ctx->priv->iface = ctx->iface;
95 ctx->priv->alg_priv = mmap->base;
96
97 for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++)
98 ctx->priv->alg_priv->mmaps[i].id = vp8_mem_req_segs[i].id;
99
100 ctx->priv->alg_priv->mmaps[0] = *mmap;
101 ctx->priv->alg_priv->si.sz = sizeof(ctx->priv->alg_priv->si);
102 ctx->priv->alg_priv->decrypt_cb = NULL;
103 ctx->priv->alg_priv->decrypt_state = NULL;
104 ctx->priv->init_flags = ctx->init_flags;
105
106 if (ctx->config.dec)
107 {
108 /* Update the reference to the config structure to an internal copy. */
109 ctx->priv->alg_priv->cfg = *ctx->config.dec;
110 ctx->config.dec = &ctx->priv->alg_priv->cfg;
111 }
112 }
113
vp8_finalize_mmaps(vpx_codec_alg_priv_t * ctx)114 static void vp8_finalize_mmaps(vpx_codec_alg_priv_t *ctx)
115 {
116 (void)ctx;
117 /* nothing to clean up */
118 }
119
vp8_init(vpx_codec_ctx_t * ctx,vpx_codec_priv_enc_mr_cfg_t * data)120 static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx,
121 vpx_codec_priv_enc_mr_cfg_t *data)
122 {
123 vpx_codec_err_t res = VPX_CODEC_OK;
124 (void) data;
125
126 vp8_rtcd();
127
128 /* This function only allocates space for the vpx_codec_alg_priv_t
129 * structure. More memory may be required at the time the stream
130 * information becomes known.
131 */
132 if (!ctx->priv)
133 {
134 vpx_codec_mmap_t mmap;
135
136 mmap.id = vp8_mem_req_segs[0].id;
137 mmap.sz = sizeof(vpx_codec_alg_priv_t);
138 mmap.align = vp8_mem_req_segs[0].align;
139 mmap.flags = vp8_mem_req_segs[0].flags;
140
141 res = vpx_mmap_alloc(&mmap);
142 if (res != VPX_CODEC_OK) return res;
143
144 vp8_init_ctx(ctx, &mmap);
145
146 /* initialize number of fragments to zero */
147 ctx->priv->alg_priv->fragments.count = 0;
148 /* is input fragments enabled? */
149 ctx->priv->alg_priv->fragments.enabled =
150 (ctx->priv->alg_priv->base.init_flags &
151 VPX_CODEC_USE_INPUT_FRAGMENTS);
152
153 ctx->priv->alg_priv->defer_alloc = 1;
154 /*post processing level initialized to do nothing */
155 }
156
157 ctx->priv->alg_priv->yv12_frame_buffers.use_frame_threads =
158 (ctx->priv->alg_priv->base.init_flags &
159 VPX_CODEC_USE_FRAME_THREADING);
160
161 /* for now, disable frame threading */
162 ctx->priv->alg_priv->yv12_frame_buffers.use_frame_threads = 0;
163
164 if(ctx->priv->alg_priv->yv12_frame_buffers.use_frame_threads &&
165 (( ctx->priv->alg_priv->base.init_flags &
166 VPX_CODEC_USE_ERROR_CONCEALMENT)
167 || ( ctx->priv->alg_priv->base.init_flags &
168 VPX_CODEC_USE_INPUT_FRAGMENTS) ) )
169 {
170 /* row-based threading, error concealment, and input fragments will
171 * not be supported when using frame-based threading */
172 res = VPX_CODEC_INVALID_PARAM;
173 }
174
175 return res;
176 }
177
vp8_destroy(vpx_codec_alg_priv_t * ctx)178 static vpx_codec_err_t vp8_destroy(vpx_codec_alg_priv_t *ctx)
179 {
180 int i;
181
182 vp8_remove_decoder_instances(&ctx->yv12_frame_buffers);
183
184 for (i = NELEMENTS(ctx->mmaps) - 1; i >= 0; i--)
185 {
186 if (ctx->mmaps[i].dtor)
187 ctx->mmaps[i].dtor(&ctx->mmaps[i]);
188 }
189
190 return VPX_CODEC_OK;
191 }
192
vp8_peek_si_internal(const uint8_t * data,unsigned int data_sz,vpx_codec_stream_info_t * si,vp8_decrypt_cb * decrypt_cb,void * decrypt_state)193 static vpx_codec_err_t vp8_peek_si_internal(const uint8_t *data,
194 unsigned int data_sz,
195 vpx_codec_stream_info_t *si,
196 vp8_decrypt_cb *decrypt_cb,
197 void *decrypt_state)
198 {
199 vpx_codec_err_t res = VPX_CODEC_OK;
200
201 if(data + data_sz <= data)
202 {
203 res = VPX_CODEC_INVALID_PARAM;
204 }
205 else
206 {
207 /* Parse uncompresssed part of key frame header.
208 * 3 bytes:- including version, frame type and an offset
209 * 3 bytes:- sync code (0x9d, 0x01, 0x2a)
210 * 4 bytes:- including image width and height in the lowest 14 bits
211 * of each 2-byte value.
212 */
213 uint8_t clear_buffer[10];
214 const uint8_t *clear = data;
215 if (decrypt_cb)
216 {
217 int n = data_sz > 10 ? 10 : data_sz;
218 decrypt_cb(decrypt_state, data, clear_buffer, n);
219 clear = clear_buffer;
220 }
221 si->is_kf = 0;
222
223 if (data_sz >= 10 && !(clear[0] & 0x01)) /* I-Frame */
224 {
225 si->is_kf = 1;
226
227 /* vet via sync code */
228 if (clear[3] != 0x9d || clear[4] != 0x01 || clear[5] != 0x2a)
229 res = VPX_CODEC_UNSUP_BITSTREAM;
230
231 si->w = (clear[6] | (clear[7] << 8)) & 0x3fff;
232 si->h = (clear[8] | (clear[9] << 8)) & 0x3fff;
233
234 /*printf("w=%d, h=%d\n", si->w, si->h);*/
235 if (!(si->h | si->w))
236 res = VPX_CODEC_UNSUP_BITSTREAM;
237 }
238 else
239 {
240 res = VPX_CODEC_UNSUP_BITSTREAM;
241 }
242 }
243
244 return res;
245 }
246
vp8_peek_si(const uint8_t * data,unsigned int data_sz,vpx_codec_stream_info_t * si)247 static vpx_codec_err_t vp8_peek_si(const uint8_t *data,
248 unsigned int data_sz,
249 vpx_codec_stream_info_t *si) {
250 return vp8_peek_si_internal(data, data_sz, si, NULL, NULL);
251 }
252
vp8_get_si(vpx_codec_alg_priv_t * ctx,vpx_codec_stream_info_t * si)253 static vpx_codec_err_t vp8_get_si(vpx_codec_alg_priv_t *ctx,
254 vpx_codec_stream_info_t *si)
255 {
256
257 unsigned int sz;
258
259 if (si->sz >= sizeof(vp8_stream_info_t))
260 sz = sizeof(vp8_stream_info_t);
261 else
262 sz = sizeof(vpx_codec_stream_info_t);
263
264 memcpy(si, &ctx->si, sz);
265 si->sz = sz;
266
267 return VPX_CODEC_OK;
268 }
269
270
271 static vpx_codec_err_t
update_error_state(vpx_codec_alg_priv_t * ctx,const struct vpx_internal_error_info * error)272 update_error_state(vpx_codec_alg_priv_t *ctx,
273 const struct vpx_internal_error_info *error)
274 {
275 vpx_codec_err_t res;
276
277 if ((res = error->error_code))
278 ctx->base.err_detail = error->has_detail
279 ? error->detail
280 : NULL;
281
282 return res;
283 }
284
yuvconfig2image(vpx_image_t * img,const YV12_BUFFER_CONFIG * yv12,void * user_priv)285 static void yuvconfig2image(vpx_image_t *img,
286 const YV12_BUFFER_CONFIG *yv12,
287 void *user_priv)
288 {
289 /** vpx_img_wrap() doesn't allow specifying independent strides for
290 * the Y, U, and V planes, nor other alignment adjustments that
291 * might be representable by a YV12_BUFFER_CONFIG, so we just
292 * initialize all the fields.*/
293 img->fmt = VPX_IMG_FMT_I420;
294 img->w = yv12->y_stride;
295 img->h = (yv12->y_height + 2 * VP8BORDERINPIXELS + 15) & ~15;
296 img->d_w = yv12->y_width;
297 img->d_h = yv12->y_height;
298 img->x_chroma_shift = 1;
299 img->y_chroma_shift = 1;
300 img->planes[VPX_PLANE_Y] = yv12->y_buffer;
301 img->planes[VPX_PLANE_U] = yv12->u_buffer;
302 img->planes[VPX_PLANE_V] = yv12->v_buffer;
303 img->planes[VPX_PLANE_ALPHA] = NULL;
304 img->stride[VPX_PLANE_Y] = yv12->y_stride;
305 img->stride[VPX_PLANE_U] = yv12->uv_stride;
306 img->stride[VPX_PLANE_V] = yv12->uv_stride;
307 img->stride[VPX_PLANE_ALPHA] = yv12->y_stride;
308 img->bps = 12;
309 img->user_priv = user_priv;
310 img->img_data = yv12->buffer_alloc;
311 img->img_data_owner = 0;
312 img->self_allocd = 0;
313 }
314
315 static int
update_fragments(vpx_codec_alg_priv_t * ctx,const uint8_t * data,unsigned int data_sz,vpx_codec_err_t * res)316 update_fragments(vpx_codec_alg_priv_t *ctx,
317 const uint8_t *data,
318 unsigned int data_sz,
319 vpx_codec_err_t *res)
320 {
321 *res = VPX_CODEC_OK;
322
323 if (ctx->fragments.count == 0)
324 {
325 /* New frame, reset fragment pointers and sizes */
326 vpx_memset((void*)ctx->fragments.ptrs, 0, sizeof(ctx->fragments.ptrs));
327 vpx_memset(ctx->fragments.sizes, 0, sizeof(ctx->fragments.sizes));
328 }
329 if (ctx->fragments.enabled && !(data == NULL && data_sz == 0))
330 {
331 /* Store a pointer to this fragment and return. We haven't
332 * received the complete frame yet, so we will wait with decoding.
333 */
334 ctx->fragments.ptrs[ctx->fragments.count] = data;
335 ctx->fragments.sizes[ctx->fragments.count] = data_sz;
336 ctx->fragments.count++;
337 if (ctx->fragments.count > (1 << EIGHT_PARTITION) + 1)
338 {
339 ctx->fragments.count = 0;
340 *res = VPX_CODEC_INVALID_PARAM;
341 return -1;
342 }
343 return 0;
344 }
345
346 if (!ctx->fragments.enabled)
347 {
348 ctx->fragments.ptrs[0] = data;
349 ctx->fragments.sizes[0] = data_sz;
350 ctx->fragments.count = 1;
351 }
352
353 return 1;
354 }
355
vp8_decode(vpx_codec_alg_priv_t * ctx,const uint8_t * data,unsigned int data_sz,void * user_priv,long deadline)356 static vpx_codec_err_t vp8_decode(vpx_codec_alg_priv_t *ctx,
357 const uint8_t *data,
358 unsigned int data_sz,
359 void *user_priv,
360 long deadline)
361 {
362 vpx_codec_err_t res = VPX_CODEC_OK;
363 unsigned int resolution_change = 0;
364 unsigned int w, h;
365
366
367 /* Update the input fragment data */
368 if(update_fragments(ctx, data, data_sz, &res) <= 0)
369 return res;
370
371 /* Determine the stream parameters. Note that we rely on peek_si to
372 * validate that we have a buffer that does not wrap around the top
373 * of the heap.
374 */
375 w = ctx->si.w;
376 h = ctx->si.h;
377
378 res = vp8_peek_si_internal(ctx->fragments.ptrs[0], ctx->fragments.sizes[0],
379 &ctx->si, ctx->decrypt_cb, ctx->decrypt_state);
380
381 if((res == VPX_CODEC_UNSUP_BITSTREAM) && !ctx->si.is_kf)
382 {
383 /* the peek function returns an error for non keyframes, however for
384 * this case, it is not an error */
385 res = VPX_CODEC_OK;
386 }
387
388 if(!ctx->decoder_init && !ctx->si.is_kf)
389 res = VPX_CODEC_UNSUP_BITSTREAM;
390
391 if ((ctx->si.h != h) || (ctx->si.w != w))
392 resolution_change = 1;
393
394 /* Perform deferred allocations, if required */
395 if (!res && ctx->defer_alloc)
396 {
397 int i;
398
399 for (i = 1; !res && i < NELEMENTS(ctx->mmaps); i++)
400 {
401 vpx_codec_dec_cfg_t cfg;
402
403 cfg.w = ctx->si.w;
404 cfg.h = ctx->si.h;
405 ctx->mmaps[i].id = vp8_mem_req_segs[i].id;
406 ctx->mmaps[i].sz = vp8_mem_req_segs[i].sz;
407 ctx->mmaps[i].align = vp8_mem_req_segs[i].align;
408 ctx->mmaps[i].flags = vp8_mem_req_segs[i].flags;
409
410 if (!ctx->mmaps[i].sz)
411 ctx->mmaps[i].sz = vp8_mem_req_segs[i].calc_sz(&cfg,
412 ctx->base.init_flags);
413
414 res = vpx_mmap_alloc(&ctx->mmaps[i]);
415 }
416
417 if (!res)
418 vp8_finalize_mmaps(ctx);
419
420 ctx->defer_alloc = 0;
421 }
422
423 /* Initialize the decoder instance on the first frame*/
424 if (!res && !ctx->decoder_init)
425 {
426 res = vpx_validate_mmaps(&ctx->si, ctx->mmaps,
427 vp8_mem_req_segs, NELEMENTS(vp8_mem_req_segs),
428 ctx->base.init_flags);
429
430 if (!res)
431 {
432 VP8D_CONFIG oxcf;
433
434 oxcf.Width = ctx->si.w;
435 oxcf.Height = ctx->si.h;
436 oxcf.Version = 9;
437 oxcf.postprocess = 0;
438 oxcf.max_threads = ctx->cfg.threads;
439 oxcf.error_concealment =
440 (ctx->base.init_flags & VPX_CODEC_USE_ERROR_CONCEALMENT);
441
442 /* If postprocessing was enabled by the application and a
443 * configuration has not been provided, default it.
444 */
445 if (!ctx->postproc_cfg_set
446 && (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC))
447 {
448 ctx->postproc_cfg.post_proc_flag =
449 VP8_DEBLOCK | VP8_DEMACROBLOCK | VP8_MFQE;
450 ctx->postproc_cfg.deblocking_level = 4;
451 ctx->postproc_cfg.noise_level = 0;
452 }
453
454 res = vp8_create_decoder_instances(&ctx->yv12_frame_buffers, &oxcf);
455 ctx->yv12_frame_buffers.pbi[0]->decrypt_cb = ctx->decrypt_cb;
456 ctx->yv12_frame_buffers.pbi[0]->decrypt_state = ctx->decrypt_state;
457 }
458
459 ctx->decoder_init = 1;
460 }
461
462 if (!res)
463 {
464 VP8D_COMP *pbi = ctx->yv12_frame_buffers.pbi[0];
465 if(resolution_change)
466 {
467 VP8_COMMON *const pc = & pbi->common;
468 MACROBLOCKD *const xd = & pbi->mb;
469 #if CONFIG_MULTITHREAD
470 int i;
471 #endif
472 pc->Width = ctx->si.w;
473 pc->Height = ctx->si.h;
474 {
475 int prev_mb_rows = pc->mb_rows;
476
477 if (setjmp(pbi->common.error.jmp))
478 {
479 pbi->common.error.setjmp = 0;
480 /* same return value as used in vp8dx_receive_compressed_data */
481 return -1;
482 }
483
484 pbi->common.error.setjmp = 1;
485
486 if (pc->Width <= 0)
487 {
488 pc->Width = w;
489 vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
490 "Invalid frame width");
491 }
492
493 if (pc->Height <= 0)
494 {
495 pc->Height = h;
496 vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
497 "Invalid frame height");
498 }
499
500 if (vp8_alloc_frame_buffers(pc, pc->Width, pc->Height))
501 vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
502 "Failed to allocate frame buffers");
503
504 xd->pre = pc->yv12_fb[pc->lst_fb_idx];
505 xd->dst = pc->yv12_fb[pc->new_fb_idx];
506
507 #if CONFIG_MULTITHREAD
508 for (i = 0; i < pbi->allocated_decoding_thread_count; i++)
509 {
510 pbi->mb_row_di[i].mbd.dst = pc->yv12_fb[pc->new_fb_idx];
511 vp8_build_block_doffsets(&pbi->mb_row_di[i].mbd);
512 }
513 #endif
514 vp8_build_block_doffsets(&pbi->mb);
515
516 /* allocate memory for last frame MODE_INFO array */
517 #if CONFIG_ERROR_CONCEALMENT
518
519 if (pbi->ec_enabled)
520 {
521 /* old prev_mip was released by vp8_de_alloc_frame_buffers()
522 * called in vp8_alloc_frame_buffers() */
523 pc->prev_mip = vpx_calloc(
524 (pc->mb_cols + 1) * (pc->mb_rows + 1),
525 sizeof(MODE_INFO));
526
527 if (!pc->prev_mip)
528 {
529 vp8_de_alloc_frame_buffers(pc);
530 vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
531 "Failed to allocate"
532 "last frame MODE_INFO array");
533 }
534
535 pc->prev_mi = pc->prev_mip + pc->mode_info_stride + 1;
536
537 if (vp8_alloc_overlap_lists(pbi))
538 vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
539 "Failed to allocate overlap lists "
540 "for error concealment");
541 }
542
543 #endif
544
545 #if CONFIG_MULTITHREAD
546 if (pbi->b_multithreaded_rd)
547 vp8mt_alloc_temp_buffers(pbi, pc->Width, prev_mb_rows);
548 #else
549 (void)prev_mb_rows;
550 #endif
551 }
552
553 pbi->common.error.setjmp = 0;
554
555 /* required to get past the first get_free_fb() call */
556 pbi->common.fb_idx_ref_cnt[0] = 0;
557 }
558
559 /* update the pbi fragment data */
560 pbi->fragments = ctx->fragments;
561
562 ctx->user_priv = user_priv;
563 if (vp8dx_receive_compressed_data(pbi, data_sz, data, deadline))
564 {
565 res = update_error_state(ctx, &pbi->common.error);
566 }
567
568 /* get ready for the next series of fragments */
569 ctx->fragments.count = 0;
570 }
571
572 return res;
573 }
574
vp8_get_frame(vpx_codec_alg_priv_t * ctx,vpx_codec_iter_t * iter)575 static vpx_image_t *vp8_get_frame(vpx_codec_alg_priv_t *ctx,
576 vpx_codec_iter_t *iter)
577 {
578 vpx_image_t *img = NULL;
579
580 /* iter acts as a flip flop, so an image is only returned on the first
581 * call to get_frame.
582 */
583 if (!(*iter) && ctx->yv12_frame_buffers.pbi[0])
584 {
585 YV12_BUFFER_CONFIG sd;
586 int64_t time_stamp = 0, time_end_stamp = 0;
587 vp8_ppflags_t flags = {0};
588
589 if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)
590 {
591 flags.post_proc_flag= ctx->postproc_cfg.post_proc_flag
592 #if CONFIG_POSTPROC_VISUALIZER
593
594 | ((ctx->dbg_color_ref_frame_flag != 0) ? VP8D_DEBUG_CLR_FRM_REF_BLKS : 0)
595 | ((ctx->dbg_color_mb_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
596 | ((ctx->dbg_color_b_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
597 | ((ctx->dbg_display_mv_flag != 0) ? VP8D_DEBUG_DRAW_MV : 0)
598 #endif
599 ;
600 flags.deblocking_level = ctx->postproc_cfg.deblocking_level;
601 flags.noise_level = ctx->postproc_cfg.noise_level;
602 #if CONFIG_POSTPROC_VISUALIZER
603 flags.display_ref_frame_flag= ctx->dbg_color_ref_frame_flag;
604 flags.display_mb_modes_flag = ctx->dbg_color_mb_modes_flag;
605 flags.display_b_modes_flag = ctx->dbg_color_b_modes_flag;
606 flags.display_mv_flag = ctx->dbg_display_mv_flag;
607 #endif
608 }
609
610 if (0 == vp8dx_get_raw_frame(ctx->yv12_frame_buffers.pbi[0], &sd,
611 &time_stamp, &time_end_stamp, &flags))
612 {
613 yuvconfig2image(&ctx->img, &sd, ctx->user_priv);
614
615 img = &ctx->img;
616 *iter = img;
617 }
618 }
619
620 return img;
621 }
622
623
624 static
vp8_xma_get_mmap(const vpx_codec_ctx_t * ctx,vpx_codec_mmap_t * mmap,vpx_codec_iter_t * iter)625 vpx_codec_err_t vp8_xma_get_mmap(const vpx_codec_ctx_t *ctx,
626 vpx_codec_mmap_t *mmap,
627 vpx_codec_iter_t *iter)
628 {
629 vpx_codec_err_t res;
630 const mem_req_t *seg_iter = *iter;
631
632 /* Get address of next segment request */
633 do
634 {
635 if (!seg_iter)
636 seg_iter = vp8_mem_req_segs;
637 else if (seg_iter->id != VP8_SEG_MAX)
638 seg_iter++;
639
640 *iter = (vpx_codec_iter_t)seg_iter;
641
642 if (seg_iter->id != VP8_SEG_MAX)
643 {
644 mmap->id = seg_iter->id;
645 mmap->sz = seg_iter->sz;
646 mmap->align = seg_iter->align;
647 mmap->flags = seg_iter->flags;
648
649 if (!seg_iter->sz)
650 mmap->sz = seg_iter->calc_sz(ctx->config.dec, ctx->init_flags);
651
652 res = VPX_CODEC_OK;
653 }
654 else
655 res = VPX_CODEC_LIST_END;
656 }
657 while (!mmap->sz && res != VPX_CODEC_LIST_END);
658
659 return res;
660 }
661
vp8_xma_set_mmap(vpx_codec_ctx_t * ctx,const vpx_codec_mmap_t * mmap)662 static vpx_codec_err_t vp8_xma_set_mmap(vpx_codec_ctx_t *ctx,
663 const vpx_codec_mmap_t *mmap)
664 {
665 vpx_codec_err_t res = VPX_CODEC_MEM_ERROR;
666 int i, done;
667
668 if (!ctx->priv)
669 {
670 if (mmap->id == VP8_SEG_ALG_PRIV)
671 {
672 if (!ctx->priv)
673 {
674 vp8_init_ctx(ctx, mmap);
675 res = VPX_CODEC_OK;
676 }
677 }
678 }
679
680 done = 1;
681
682 if (!res && ctx->priv->alg_priv)
683 {
684 for (i = 0; i < NELEMENTS(ctx->priv->alg_priv->mmaps); i++)
685 {
686 if (ctx->priv->alg_priv->mmaps[i].id == mmap->id)
687 if (!ctx->priv->alg_priv->mmaps[i].base)
688 {
689 ctx->priv->alg_priv->mmaps[i] = *mmap;
690 res = VPX_CODEC_OK;
691 }
692
693 done &= (ctx->priv->alg_priv->mmaps[i].base != NULL);
694 }
695 }
696
697 if (done && !res)
698 {
699 vp8_finalize_mmaps(ctx->priv->alg_priv);
700 res = ctx->iface->init(ctx, NULL);
701 }
702
703 return res;
704 }
705
image2yuvconfig(const vpx_image_t * img,YV12_BUFFER_CONFIG * yv12)706 static vpx_codec_err_t image2yuvconfig(const vpx_image_t *img,
707 YV12_BUFFER_CONFIG *yv12)
708 {
709 vpx_codec_err_t res = VPX_CODEC_OK;
710 yv12->y_buffer = img->planes[VPX_PLANE_Y];
711 yv12->u_buffer = img->planes[VPX_PLANE_U];
712 yv12->v_buffer = img->planes[VPX_PLANE_V];
713
714 yv12->y_crop_width = img->d_w;
715 yv12->y_crop_height = img->d_h;
716 yv12->y_width = img->d_w;
717 yv12->y_height = img->d_h;
718 yv12->uv_width = yv12->y_width / 2;
719 yv12->uv_height = yv12->y_height / 2;
720
721 yv12->y_stride = img->stride[VPX_PLANE_Y];
722 yv12->uv_stride = img->stride[VPX_PLANE_U];
723
724 yv12->border = (img->stride[VPX_PLANE_Y] - img->d_w) / 2;
725 return res;
726 }
727
728
vp8_set_reference(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)729 static vpx_codec_err_t vp8_set_reference(vpx_codec_alg_priv_t *ctx,
730 int ctr_id,
731 va_list args)
732 {
733
734 vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
735 (void)ctr_id;
736 if (data && !ctx->yv12_frame_buffers.use_frame_threads)
737 {
738 vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
739 YV12_BUFFER_CONFIG sd;
740
741 image2yuvconfig(&frame->img, &sd);
742
743 return vp8dx_set_reference(ctx->yv12_frame_buffers.pbi[0],
744 frame->frame_type, &sd);
745 }
746 else
747 return VPX_CODEC_INVALID_PARAM;
748
749 }
750
vp8_get_reference(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)751 static vpx_codec_err_t vp8_get_reference(vpx_codec_alg_priv_t *ctx,
752 int ctr_id,
753 va_list args)
754 {
755
756 vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
757 (void)ctr_id;
758 if (data && !ctx->yv12_frame_buffers.use_frame_threads)
759 {
760 vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
761 YV12_BUFFER_CONFIG sd;
762
763 image2yuvconfig(&frame->img, &sd);
764
765 return vp8dx_get_reference(ctx->yv12_frame_buffers.pbi[0],
766 frame->frame_type, &sd);
767 }
768 else
769 return VPX_CODEC_INVALID_PARAM;
770
771 }
772
vp8_set_postproc(vpx_codec_alg_priv_t * ctx,int ctr_id,va_list args)773 static vpx_codec_err_t vp8_set_postproc(vpx_codec_alg_priv_t *ctx,
774 int ctr_id,
775 va_list args)
776 {
777 (void)ctr_id;
778 #if CONFIG_POSTPROC
779 vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
780
781 if (data)
782 {
783 ctx->postproc_cfg_set = 1;
784 ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
785 return VPX_CODEC_OK;
786 }
787 else
788 return VPX_CODEC_INVALID_PARAM;
789
790 #else
791 return VPX_CODEC_INCAPABLE;
792 #endif
793 }
794
vp8_set_dbg_options(vpx_codec_alg_priv_t * ctx,int ctrl_id,va_list args)795 static vpx_codec_err_t vp8_set_dbg_options(vpx_codec_alg_priv_t *ctx,
796 int ctrl_id,
797 va_list args)
798 {
799
800 (void)ctrl_id;
801 (void)ctx;
802 (void)args;
803 #if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
804 int data = va_arg(args, int);
805
806 #define MAP(id, var) case id: var = data; break;
807
808 switch (ctrl_id)
809 {
810 MAP (VP8_SET_DBG_COLOR_REF_FRAME, ctx->dbg_color_ref_frame_flag);
811 MAP (VP8_SET_DBG_COLOR_MB_MODES, ctx->dbg_color_mb_modes_flag);
812 MAP (VP8_SET_DBG_COLOR_B_MODES, ctx->dbg_color_b_modes_flag);
813 MAP (VP8_SET_DBG_DISPLAY_MV, ctx->dbg_display_mv_flag);
814 }
815
816 return VPX_CODEC_OK;
817 #else
818 return VPX_CODEC_INCAPABLE;
819 #endif
820 }
821
vp8_get_last_ref_updates(vpx_codec_alg_priv_t * ctx,int ctrl_id,va_list args)822 static vpx_codec_err_t vp8_get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
823 int ctrl_id,
824 va_list args)
825 {
826 int *update_info = va_arg(args, int *);
827 (void)ctrl_id;
828 if (update_info && !ctx->yv12_frame_buffers.use_frame_threads)
829 {
830 VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
831
832 *update_info = pbi->common.refresh_alt_ref_frame * (int) VP8_ALTR_FRAME
833 + pbi->common.refresh_golden_frame * (int) VP8_GOLD_FRAME
834 + pbi->common.refresh_last_frame * (int) VP8_LAST_FRAME;
835
836 return VPX_CODEC_OK;
837 }
838 else
839 return VPX_CODEC_INVALID_PARAM;
840 }
841
842 extern int vp8dx_references_buffer( VP8_COMMON *oci, int ref_frame );
vp8_get_last_ref_frame(vpx_codec_alg_priv_t * ctx,int ctrl_id,va_list args)843 static vpx_codec_err_t vp8_get_last_ref_frame(vpx_codec_alg_priv_t *ctx,
844 int ctrl_id,
845 va_list args)
846 {
847 int *ref_info = va_arg(args, int *);
848 (void)ctrl_id;
849 if (ref_info && !ctx->yv12_frame_buffers.use_frame_threads)
850 {
851 VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
852 VP8_COMMON *oci = &pbi->common;
853 *ref_info =
854 (vp8dx_references_buffer( oci, ALTREF_FRAME )?VP8_ALTR_FRAME:0) |
855 (vp8dx_references_buffer( oci, GOLDEN_FRAME )?VP8_GOLD_FRAME:0) |
856 (vp8dx_references_buffer( oci, LAST_FRAME )?VP8_LAST_FRAME:0);
857
858 return VPX_CODEC_OK;
859 }
860 else
861 return VPX_CODEC_INVALID_PARAM;
862 }
863
vp8_get_frame_corrupted(vpx_codec_alg_priv_t * ctx,int ctrl_id,va_list args)864 static vpx_codec_err_t vp8_get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
865 int ctrl_id,
866 va_list args)
867 {
868
869 int *corrupted = va_arg(args, int *);
870 (void)ctrl_id;
871 VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
872
873 if (corrupted && pbi)
874 {
875 *corrupted = pbi->common.frame_to_show->corrupted;
876
877 return VPX_CODEC_OK;
878 }
879 else
880 return VPX_CODEC_INVALID_PARAM;
881
882 }
883
vp8_set_decryptor(vpx_codec_alg_priv_t * ctx,int ctrl_id,va_list args)884 static vpx_codec_err_t vp8_set_decryptor(vpx_codec_alg_priv_t *ctx,
885 int ctrl_id,
886 va_list args)
887 {
888 vp8_decrypt_init *init = va_arg(args, vp8_decrypt_init *);
889 (void)ctrl_id;
890 if (init)
891 {
892 ctx->decrypt_cb = init->decrypt_cb;
893 ctx->decrypt_state = init->decrypt_state;
894 }
895 else
896 {
897 ctx->decrypt_cb = NULL;
898 ctx->decrypt_state = NULL;
899 }
900 return VPX_CODEC_OK;
901 }
902
903 vpx_codec_ctrl_fn_map_t vp8_ctf_maps[] =
904 {
905 {VP8_SET_REFERENCE, vp8_set_reference},
906 {VP8_COPY_REFERENCE, vp8_get_reference},
907 {VP8_SET_POSTPROC, vp8_set_postproc},
908 {VP8_SET_DBG_COLOR_REF_FRAME, vp8_set_dbg_options},
909 {VP8_SET_DBG_COLOR_MB_MODES, vp8_set_dbg_options},
910 {VP8_SET_DBG_COLOR_B_MODES, vp8_set_dbg_options},
911 {VP8_SET_DBG_DISPLAY_MV, vp8_set_dbg_options},
912 {VP8D_GET_LAST_REF_UPDATES, vp8_get_last_ref_updates},
913 {VP8D_GET_FRAME_CORRUPTED, vp8_get_frame_corrupted},
914 {VP8D_GET_LAST_REF_USED, vp8_get_last_ref_frame},
915 {VP8D_SET_DECRYPTOR, vp8_set_decryptor},
916 { -1, NULL},
917 };
918
919
920 #ifndef VERSION_STRING
921 #define VERSION_STRING
922 #endif
923 CODEC_INTERFACE(vpx_codec_vp8_dx) =
924 {
925 "WebM Project VP8 Decoder" VERSION_STRING,
926 VPX_CODEC_INTERNAL_ABI_VERSION,
927 VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC | VP8_CAP_ERROR_CONCEALMENT |
928 VPX_CODEC_CAP_INPUT_FRAGMENTS,
929 /* vpx_codec_caps_t caps; */
930 vp8_init, /* vpx_codec_init_fn_t init; */
931 vp8_destroy, /* vpx_codec_destroy_fn_t destroy; */
932 vp8_ctf_maps, /* vpx_codec_ctrl_fn_map_t *ctrl_maps; */
933 vp8_xma_get_mmap, /* vpx_codec_get_mmap_fn_t get_mmap; */
934 vp8_xma_set_mmap, /* vpx_codec_set_mmap_fn_t set_mmap; */
935 {
936 vp8_peek_si, /* vpx_codec_peek_si_fn_t peek_si; */
937 vp8_get_si, /* vpx_codec_get_si_fn_t get_si; */
938 vp8_decode, /* vpx_codec_decode_fn_t decode; */
939 vp8_get_frame, /* vpx_codec_frame_get_fn_t frame_get; */
940 NOT_IMPLEMENTED,
941 },
942 { /* encoder functions */
943 NOT_IMPLEMENTED,
944 NOT_IMPLEMENTED,
945 NOT_IMPLEMENTED,
946 NOT_IMPLEMENTED,
947 NOT_IMPLEMENTED,
948 NOT_IMPLEMENTED,
949 NOT_IMPLEMENTED,
950 }
951 };
952