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/alloccommon.h"
20 #include "common/common.h"
21 #include "common/onyxd.h"
22 #include "decoder/onyxd_int.h"
23 #include "vpx_mem/vpx_mem.h"
24 #if CONFIG_ERROR_CONCEALMENT
25 #include "decoder/error_concealment.h"
26 #endif
27 #include "decoder/decoderthreading.h"
28
29 #define VP8_CAP_POSTPROC (CONFIG_POSTPROC ? VPX_CODEC_CAP_POSTPROC : 0)
30 #define VP8_CAP_ERROR_CONCEALMENT (CONFIG_ERROR_CONCEALMENT ? \
31 VPX_CODEC_CAP_ERROR_CONCEALMENT : 0)
32
33 typedef vpx_codec_stream_info_t vp8_stream_info_t;
34
35 /* Structures for handling memory allocations */
36 typedef enum
37 {
38 VP8_SEG_ALG_PRIV = 256,
39 VP8_SEG_MAX
40 } mem_seg_id_t;
41 #define NELEMENTS(x) ((int)(sizeof(x)/sizeof(x[0])))
42
43 static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t);
44
45 struct vpx_codec_alg_priv
46 {
47 vpx_codec_priv_t base;
48 vpx_codec_dec_cfg_t cfg;
49 vp8_stream_info_t si;
50 int decoder_init;
51 int postproc_cfg_set;
52 vp8_postproc_cfg_t postproc_cfg;
53 #if CONFIG_POSTPROC_VISUALIZER
54 unsigned int dbg_postproc_flag;
55 int dbg_color_ref_frame_flag;
56 int dbg_color_mb_modes_flag;
57 int dbg_color_b_modes_flag;
58 int dbg_display_mv_flag;
59 #endif
60 vpx_decrypt_cb decrypt_cb;
61 void *decrypt_state;
62 vpx_image_t img;
63 int flushed;
64 int img_setup;
65 struct frame_buffers yv12_frame_buffers;
66 void *user_priv;
67 FRAGMENT_DATA fragments;
68 };
69
vp8_priv_sz(const vpx_codec_dec_cfg_t * si,vpx_codec_flags_t flags)70 static unsigned long vp8_priv_sz(const vpx_codec_dec_cfg_t *si, vpx_codec_flags_t flags)
71 {
72 /* Although this declaration is constant, we can't use it in the requested
73 * segments list because we want to define the requested segments list
74 * before defining the private type (so that the number of memory maps is
75 * known)
76 */
77 (void)si;
78 return sizeof(vpx_codec_alg_priv_t);
79 }
80
vp8_init_ctx(vpx_codec_ctx_t * ctx)81 static void vp8_init_ctx(vpx_codec_ctx_t *ctx)
82 {
83 vpx_codec_alg_priv_t *priv =
84 (vpx_codec_alg_priv_t *)vpx_calloc(1, sizeof(*priv));
85
86 ctx->priv = (vpx_codec_priv_t *)priv;
87 ctx->priv->init_flags = ctx->init_flags;
88
89 priv->si.sz = sizeof(priv->si);
90 priv->decrypt_cb = NULL;
91 priv->decrypt_state = NULL;
92 priv->flushed = 0;
93
94 if (ctx->config.dec)
95 {
96 /* Update the reference to the config structure to an internal copy. */
97 priv->cfg = *ctx->config.dec;
98 ctx->config.dec = &priv->cfg;
99 }
100 }
101
vp8_init(vpx_codec_ctx_t * ctx,vpx_codec_priv_enc_mr_cfg_t * data)102 static vpx_codec_err_t vp8_init(vpx_codec_ctx_t *ctx,
103 vpx_codec_priv_enc_mr_cfg_t *data)
104 {
105 vpx_codec_err_t res = VPX_CODEC_OK;
106 vpx_codec_alg_priv_t *priv = NULL;
107 (void) data;
108
109 vp8_rtcd();
110
111 /* This function only allocates space for the vpx_codec_alg_priv_t
112 * structure. More memory may be required at the time the stream
113 * information becomes known.
114 */
115 if (!ctx->priv)
116 {
117 vp8_init_ctx(ctx);
118 priv = (vpx_codec_alg_priv_t *)ctx->priv;
119
120 /* initialize number of fragments to zero */
121 priv->fragments.count = 0;
122 /* is input fragments enabled? */
123 priv->fragments.enabled =
124 (priv->base.init_flags & VPX_CODEC_USE_INPUT_FRAGMENTS);
125
126 /*post processing level initialized to do nothing */
127 }
128 else
129 {
130 priv = (vpx_codec_alg_priv_t *)ctx->priv;
131 }
132
133 priv->yv12_frame_buffers.use_frame_threads =
134 (ctx->priv->init_flags & VPX_CODEC_USE_FRAME_THREADING);
135
136 /* for now, disable frame threading */
137 priv->yv12_frame_buffers.use_frame_threads = 0;
138
139 if (priv->yv12_frame_buffers.use_frame_threads &&
140 ((ctx->priv->init_flags & VPX_CODEC_USE_ERROR_CONCEALMENT) ||
141 (ctx->priv->init_flags & VPX_CODEC_USE_INPUT_FRAGMENTS)))
142 {
143 /* row-based threading, error concealment, and input fragments will
144 * not be supported when using frame-based threading */
145 res = VPX_CODEC_INVALID_PARAM;
146 }
147
148 return res;
149 }
150
vp8_destroy(vpx_codec_alg_priv_t * ctx)151 static vpx_codec_err_t vp8_destroy(vpx_codec_alg_priv_t *ctx)
152 {
153 vp8_remove_decoder_instances(&ctx->yv12_frame_buffers);
154
155 vpx_free(ctx);
156
157 return VPX_CODEC_OK;
158 }
159
vp8_peek_si_internal(const uint8_t * data,unsigned int data_sz,vpx_codec_stream_info_t * si,vpx_decrypt_cb decrypt_cb,void * decrypt_state)160 static vpx_codec_err_t vp8_peek_si_internal(const uint8_t *data,
161 unsigned int data_sz,
162 vpx_codec_stream_info_t *si,
163 vpx_decrypt_cb decrypt_cb,
164 void *decrypt_state)
165 {
166 vpx_codec_err_t res = VPX_CODEC_OK;
167
168 if(data + data_sz <= data)
169 {
170 res = VPX_CODEC_INVALID_PARAM;
171 }
172 else
173 {
174 /* Parse uncompresssed part of key frame header.
175 * 3 bytes:- including version, frame type and an offset
176 * 3 bytes:- sync code (0x9d, 0x01, 0x2a)
177 * 4 bytes:- including image width and height in the lowest 14 bits
178 * of each 2-byte value.
179 */
180 uint8_t clear_buffer[10];
181 const uint8_t *clear = data;
182 if (decrypt_cb)
183 {
184 int n = MIN(sizeof(clear_buffer), data_sz);
185 decrypt_cb(decrypt_state, data, clear_buffer, n);
186 clear = clear_buffer;
187 }
188 si->is_kf = 0;
189
190 if (data_sz >= 10 && !(clear[0] & 0x01)) /* I-Frame */
191 {
192 si->is_kf = 1;
193
194 /* vet via sync code */
195 if (clear[3] != 0x9d || clear[4] != 0x01 || clear[5] != 0x2a)
196 res = VPX_CODEC_UNSUP_BITSTREAM;
197
198 si->w = (clear[6] | (clear[7] << 8)) & 0x3fff;
199 si->h = (clear[8] | (clear[9] << 8)) & 0x3fff;
200
201 /*printf("w=%d, h=%d\n", si->w, si->h);*/
202 if (!(si->h | si->w))
203 res = VPX_CODEC_UNSUP_BITSTREAM;
204 }
205 else
206 {
207 res = VPX_CODEC_UNSUP_BITSTREAM;
208 }
209 }
210
211 return res;
212 }
213
vp8_peek_si(const uint8_t * data,unsigned int data_sz,vpx_codec_stream_info_t * si)214 static vpx_codec_err_t vp8_peek_si(const uint8_t *data,
215 unsigned int data_sz,
216 vpx_codec_stream_info_t *si) {
217 return vp8_peek_si_internal(data, data_sz, si, NULL, NULL);
218 }
219
vp8_get_si(vpx_codec_alg_priv_t * ctx,vpx_codec_stream_info_t * si)220 static vpx_codec_err_t vp8_get_si(vpx_codec_alg_priv_t *ctx,
221 vpx_codec_stream_info_t *si)
222 {
223
224 unsigned int sz;
225
226 if (si->sz >= sizeof(vp8_stream_info_t))
227 sz = sizeof(vp8_stream_info_t);
228 else
229 sz = sizeof(vpx_codec_stream_info_t);
230
231 memcpy(si, &ctx->si, sz);
232 si->sz = sz;
233
234 return VPX_CODEC_OK;
235 }
236
237
238 static vpx_codec_err_t
update_error_state(vpx_codec_alg_priv_t * ctx,const struct vpx_internal_error_info * error)239 update_error_state(vpx_codec_alg_priv_t *ctx,
240 const struct vpx_internal_error_info *error)
241 {
242 vpx_codec_err_t res;
243
244 if ((res = error->error_code))
245 ctx->base.err_detail = error->has_detail
246 ? error->detail
247 : NULL;
248
249 return res;
250 }
251
yuvconfig2image(vpx_image_t * img,const YV12_BUFFER_CONFIG * yv12,void * user_priv)252 static void yuvconfig2image(vpx_image_t *img,
253 const YV12_BUFFER_CONFIG *yv12,
254 void *user_priv)
255 {
256 /** vpx_img_wrap() doesn't allow specifying independent strides for
257 * the Y, U, and V planes, nor other alignment adjustments that
258 * might be representable by a YV12_BUFFER_CONFIG, so we just
259 * initialize all the fields.*/
260 img->fmt = VPX_IMG_FMT_I420;
261 img->w = yv12->y_stride;
262 img->h = (yv12->y_height + 2 * VP8BORDERINPIXELS + 15) & ~15;
263 img->d_w = yv12->y_width;
264 img->d_h = yv12->y_height;
265 img->x_chroma_shift = 1;
266 img->y_chroma_shift = 1;
267 img->planes[VPX_PLANE_Y] = yv12->y_buffer;
268 img->planes[VPX_PLANE_U] = yv12->u_buffer;
269 img->planes[VPX_PLANE_V] = yv12->v_buffer;
270 img->planes[VPX_PLANE_ALPHA] = NULL;
271 img->stride[VPX_PLANE_Y] = yv12->y_stride;
272 img->stride[VPX_PLANE_U] = yv12->uv_stride;
273 img->stride[VPX_PLANE_V] = yv12->uv_stride;
274 img->stride[VPX_PLANE_ALPHA] = yv12->y_stride;
275 img->bit_depth = 8;
276 img->bps = 12;
277 img->user_priv = user_priv;
278 img->img_data = yv12->buffer_alloc;
279 img->img_data_owner = 0;
280 img->self_allocd = 0;
281 }
282
283 static int
update_fragments(vpx_codec_alg_priv_t * ctx,const uint8_t * data,unsigned int data_sz,vpx_codec_err_t * res)284 update_fragments(vpx_codec_alg_priv_t *ctx,
285 const uint8_t *data,
286 unsigned int data_sz,
287 vpx_codec_err_t *res)
288 {
289 *res = VPX_CODEC_OK;
290
291 if (ctx->fragments.count == 0)
292 {
293 /* New frame, reset fragment pointers and sizes */
294 vpx_memset((void*)ctx->fragments.ptrs, 0, sizeof(ctx->fragments.ptrs));
295 vpx_memset(ctx->fragments.sizes, 0, sizeof(ctx->fragments.sizes));
296 }
297 if (ctx->fragments.enabled && !(data == NULL && data_sz == 0))
298 {
299 /* Store a pointer to this fragment and return. We haven't
300 * received the complete frame yet, so we will wait with decoding.
301 */
302 ctx->fragments.ptrs[ctx->fragments.count] = data;
303 ctx->fragments.sizes[ctx->fragments.count] = data_sz;
304 ctx->fragments.count++;
305 if (ctx->fragments.count > (1 << EIGHT_PARTITION) + 1)
306 {
307 ctx->fragments.count = 0;
308 *res = VPX_CODEC_INVALID_PARAM;
309 return -1;
310 }
311 return 0;
312 }
313
314 if (!ctx->fragments.enabled)
315 {
316 ctx->fragments.ptrs[0] = data;
317 ctx->fragments.sizes[0] = data_sz;
318 ctx->fragments.count = 1;
319 }
320
321 return 1;
322 }
323
vp8_decode(vpx_codec_alg_priv_t * ctx,const uint8_t * data,unsigned int data_sz,void * user_priv,long deadline)324 static vpx_codec_err_t vp8_decode(vpx_codec_alg_priv_t *ctx,
325 const uint8_t *data,
326 unsigned int data_sz,
327 void *user_priv,
328 long deadline)
329 {
330 vpx_codec_err_t res = VPX_CODEC_OK;
331 unsigned int resolution_change = 0;
332 unsigned int w, h;
333
334 if (data == NULL && data_sz == 0) {
335 ctx->flushed = 1;
336 return VPX_CODEC_OK;
337 }
338
339 /* Reset flushed when receiving a valid frame */
340 ctx->flushed = 0;
341
342 /* Update the input fragment data */
343 if(update_fragments(ctx, data, data_sz, &res) <= 0)
344 return res;
345
346 /* Determine the stream parameters. Note that we rely on peek_si to
347 * validate that we have a buffer that does not wrap around the top
348 * of the heap.
349 */
350 w = ctx->si.w;
351 h = ctx->si.h;
352
353 res = vp8_peek_si_internal(ctx->fragments.ptrs[0], ctx->fragments.sizes[0],
354 &ctx->si, ctx->decrypt_cb, ctx->decrypt_state);
355
356 if((res == VPX_CODEC_UNSUP_BITSTREAM) && !ctx->si.is_kf)
357 {
358 /* the peek function returns an error for non keyframes, however for
359 * this case, it is not an error */
360 res = VPX_CODEC_OK;
361 }
362
363 if(!ctx->decoder_init && !ctx->si.is_kf)
364 res = VPX_CODEC_UNSUP_BITSTREAM;
365
366 if ((ctx->si.h != h) || (ctx->si.w != w))
367 resolution_change = 1;
368
369 /* Initialize the decoder instance on the first frame*/
370 if (!res && !ctx->decoder_init)
371 {
372 VP8D_CONFIG oxcf;
373
374 oxcf.Width = ctx->si.w;
375 oxcf.Height = ctx->si.h;
376 oxcf.Version = 9;
377 oxcf.postprocess = 0;
378 oxcf.max_threads = ctx->cfg.threads;
379 oxcf.error_concealment =
380 (ctx->base.init_flags & VPX_CODEC_USE_ERROR_CONCEALMENT);
381
382 /* If postprocessing was enabled by the application and a
383 * configuration has not been provided, default it.
384 */
385 if (!ctx->postproc_cfg_set
386 && (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)) {
387 ctx->postproc_cfg.post_proc_flag =
388 VP8_DEBLOCK | VP8_DEMACROBLOCK | VP8_MFQE;
389 ctx->postproc_cfg.deblocking_level = 4;
390 ctx->postproc_cfg.noise_level = 0;
391 }
392
393 res = vp8_create_decoder_instances(&ctx->yv12_frame_buffers, &oxcf);
394 ctx->decoder_init = 1;
395 }
396
397 /* Set these even if already initialized. The caller may have changed the
398 * decrypt config between frames.
399 */
400 if (ctx->decoder_init) {
401 ctx->yv12_frame_buffers.pbi[0]->decrypt_cb = ctx->decrypt_cb;
402 ctx->yv12_frame_buffers.pbi[0]->decrypt_state = ctx->decrypt_state;
403 }
404
405 if (!res)
406 {
407 VP8D_COMP *pbi = ctx->yv12_frame_buffers.pbi[0];
408 if(resolution_change)
409 {
410 VP8_COMMON *const pc = & pbi->common;
411 MACROBLOCKD *const xd = & pbi->mb;
412 #if CONFIG_MULTITHREAD
413 int i;
414 #endif
415 pc->Width = ctx->si.w;
416 pc->Height = ctx->si.h;
417 {
418 int prev_mb_rows = pc->mb_rows;
419
420 if (setjmp(pbi->common.error.jmp))
421 {
422 pbi->common.error.setjmp = 0;
423 vp8_clear_system_state();
424 /* same return value as used in vp8dx_receive_compressed_data */
425 return -1;
426 }
427
428 pbi->common.error.setjmp = 1;
429
430 if (pc->Width <= 0)
431 {
432 pc->Width = w;
433 vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
434 "Invalid frame width");
435 }
436
437 if (pc->Height <= 0)
438 {
439 pc->Height = h;
440 vpx_internal_error(&pc->error, VPX_CODEC_CORRUPT_FRAME,
441 "Invalid frame height");
442 }
443
444 if (vp8_alloc_frame_buffers(pc, pc->Width, pc->Height))
445 vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
446 "Failed to allocate frame buffers");
447
448 xd->pre = pc->yv12_fb[pc->lst_fb_idx];
449 xd->dst = pc->yv12_fb[pc->new_fb_idx];
450
451 #if CONFIG_MULTITHREAD
452 for (i = 0; i < pbi->allocated_decoding_thread_count; i++)
453 {
454 pbi->mb_row_di[i].mbd.dst = pc->yv12_fb[pc->new_fb_idx];
455 vp8_build_block_doffsets(&pbi->mb_row_di[i].mbd);
456 }
457 #endif
458 vp8_build_block_doffsets(&pbi->mb);
459
460 /* allocate memory for last frame MODE_INFO array */
461 #if CONFIG_ERROR_CONCEALMENT
462
463 if (pbi->ec_enabled)
464 {
465 /* old prev_mip was released by vp8_de_alloc_frame_buffers()
466 * called in vp8_alloc_frame_buffers() */
467 pc->prev_mip = vpx_calloc(
468 (pc->mb_cols + 1) * (pc->mb_rows + 1),
469 sizeof(MODE_INFO));
470
471 if (!pc->prev_mip)
472 {
473 vp8_de_alloc_frame_buffers(pc);
474 vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
475 "Failed to allocate"
476 "last frame MODE_INFO array");
477 }
478
479 pc->prev_mi = pc->prev_mip + pc->mode_info_stride + 1;
480
481 if (vp8_alloc_overlap_lists(pbi))
482 vpx_internal_error(&pc->error, VPX_CODEC_MEM_ERROR,
483 "Failed to allocate overlap lists "
484 "for error concealment");
485 }
486
487 #endif
488
489 #if CONFIG_MULTITHREAD
490 if (pbi->b_multithreaded_rd)
491 vp8mt_alloc_temp_buffers(pbi, pc->Width, prev_mb_rows);
492 #else
493 (void)prev_mb_rows;
494 #endif
495 }
496
497 pbi->common.error.setjmp = 0;
498
499 /* required to get past the first get_free_fb() call */
500 pbi->common.fb_idx_ref_cnt[0] = 0;
501 }
502
503 /* update the pbi fragment data */
504 pbi->fragments = ctx->fragments;
505
506 ctx->user_priv = user_priv;
507 if (vp8dx_receive_compressed_data(pbi, data_sz, data, deadline))
508 {
509 res = update_error_state(ctx, &pbi->common.error);
510 }
511
512 /* get ready for the next series of fragments */
513 ctx->fragments.count = 0;
514 }
515
516 return res;
517 }
518
vp8_get_frame(vpx_codec_alg_priv_t * ctx,vpx_codec_iter_t * iter)519 static vpx_image_t *vp8_get_frame(vpx_codec_alg_priv_t *ctx,
520 vpx_codec_iter_t *iter)
521 {
522 vpx_image_t *img = NULL;
523
524 /* iter acts as a flip flop, so an image is only returned on the first
525 * call to get_frame.
526 */
527 if (!(*iter) && ctx->yv12_frame_buffers.pbi[0])
528 {
529 YV12_BUFFER_CONFIG sd;
530 int64_t time_stamp = 0, time_end_stamp = 0;
531 vp8_ppflags_t flags = {0};
532
533 if (ctx->base.init_flags & VPX_CODEC_USE_POSTPROC)
534 {
535 flags.post_proc_flag= ctx->postproc_cfg.post_proc_flag
536 #if CONFIG_POSTPROC_VISUALIZER
537
538 | ((ctx->dbg_color_ref_frame_flag != 0) ? VP8D_DEBUG_CLR_FRM_REF_BLKS : 0)
539 | ((ctx->dbg_color_mb_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
540 | ((ctx->dbg_color_b_modes_flag != 0) ? VP8D_DEBUG_CLR_BLK_MODES : 0)
541 | ((ctx->dbg_display_mv_flag != 0) ? VP8D_DEBUG_DRAW_MV : 0)
542 #endif
543 ;
544 flags.deblocking_level = ctx->postproc_cfg.deblocking_level;
545 flags.noise_level = ctx->postproc_cfg.noise_level;
546 #if CONFIG_POSTPROC_VISUALIZER
547 flags.display_ref_frame_flag= ctx->dbg_color_ref_frame_flag;
548 flags.display_mb_modes_flag = ctx->dbg_color_mb_modes_flag;
549 flags.display_b_modes_flag = ctx->dbg_color_b_modes_flag;
550 flags.display_mv_flag = ctx->dbg_display_mv_flag;
551 #endif
552 }
553
554 if (0 == vp8dx_get_raw_frame(ctx->yv12_frame_buffers.pbi[0], &sd,
555 &time_stamp, &time_end_stamp, &flags))
556 {
557 yuvconfig2image(&ctx->img, &sd, ctx->user_priv);
558
559 img = &ctx->img;
560 *iter = img;
561 }
562 }
563
564 return img;
565 }
566
image2yuvconfig(const vpx_image_t * img,YV12_BUFFER_CONFIG * yv12)567 static vpx_codec_err_t image2yuvconfig(const vpx_image_t *img,
568 YV12_BUFFER_CONFIG *yv12)
569 {
570 const int y_w = img->d_w;
571 const int y_h = img->d_h;
572 const int uv_w = (img->d_w + 1) / 2;
573 const int uv_h = (img->d_h + 1) / 2;
574 vpx_codec_err_t res = VPX_CODEC_OK;
575 yv12->y_buffer = img->planes[VPX_PLANE_Y];
576 yv12->u_buffer = img->planes[VPX_PLANE_U];
577 yv12->v_buffer = img->planes[VPX_PLANE_V];
578
579 yv12->y_crop_width = y_w;
580 yv12->y_crop_height = y_h;
581 yv12->y_width = y_w;
582 yv12->y_height = y_h;
583 yv12->uv_crop_width = uv_w;
584 yv12->uv_crop_height = uv_h;
585 yv12->uv_width = uv_w;
586 yv12->uv_height = uv_h;
587
588 yv12->y_stride = img->stride[VPX_PLANE_Y];
589 yv12->uv_stride = img->stride[VPX_PLANE_U];
590
591 yv12->border = (img->stride[VPX_PLANE_Y] - img->d_w) / 2;
592 return res;
593 }
594
595
vp8_set_reference(vpx_codec_alg_priv_t * ctx,va_list args)596 static vpx_codec_err_t vp8_set_reference(vpx_codec_alg_priv_t *ctx,
597 va_list args)
598 {
599
600 vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
601
602 if (data && !ctx->yv12_frame_buffers.use_frame_threads)
603 {
604 vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
605 YV12_BUFFER_CONFIG sd;
606
607 image2yuvconfig(&frame->img, &sd);
608
609 return vp8dx_set_reference(ctx->yv12_frame_buffers.pbi[0],
610 frame->frame_type, &sd);
611 }
612 else
613 return VPX_CODEC_INVALID_PARAM;
614
615 }
616
vp8_get_reference(vpx_codec_alg_priv_t * ctx,va_list args)617 static vpx_codec_err_t vp8_get_reference(vpx_codec_alg_priv_t *ctx,
618 va_list args)
619 {
620
621 vpx_ref_frame_t *data = va_arg(args, vpx_ref_frame_t *);
622
623 if (data && !ctx->yv12_frame_buffers.use_frame_threads)
624 {
625 vpx_ref_frame_t *frame = (vpx_ref_frame_t *)data;
626 YV12_BUFFER_CONFIG sd;
627
628 image2yuvconfig(&frame->img, &sd);
629
630 return vp8dx_get_reference(ctx->yv12_frame_buffers.pbi[0],
631 frame->frame_type, &sd);
632 }
633 else
634 return VPX_CODEC_INVALID_PARAM;
635
636 }
637
vp8_set_postproc(vpx_codec_alg_priv_t * ctx,va_list args)638 static vpx_codec_err_t vp8_set_postproc(vpx_codec_alg_priv_t *ctx,
639 va_list args)
640 {
641 #if CONFIG_POSTPROC
642 vp8_postproc_cfg_t *data = va_arg(args, vp8_postproc_cfg_t *);
643
644 if (data)
645 {
646 ctx->postproc_cfg_set = 1;
647 ctx->postproc_cfg = *((vp8_postproc_cfg_t *)data);
648 return VPX_CODEC_OK;
649 }
650 else
651 return VPX_CODEC_INVALID_PARAM;
652
653 #else
654 return VPX_CODEC_INCAPABLE;
655 #endif
656 }
657
658
vp8_set_dbg_color_ref_frame(vpx_codec_alg_priv_t * ctx,va_list args)659 static vpx_codec_err_t vp8_set_dbg_color_ref_frame(vpx_codec_alg_priv_t *ctx,
660 va_list args) {
661 #if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
662 ctx->dbg_color_ref_frame_flag = va_arg(args, int);
663 return VPX_CODEC_OK;
664 #else
665 (void)ctx;
666 (void)args;
667 return VPX_CODEC_INCAPABLE;
668 #endif
669 }
670
vp8_set_dbg_color_mb_modes(vpx_codec_alg_priv_t * ctx,va_list args)671 static vpx_codec_err_t vp8_set_dbg_color_mb_modes(vpx_codec_alg_priv_t *ctx,
672 va_list args) {
673 #if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
674 ctx->dbg_color_mb_modes_flag = va_arg(args, int);
675 return VPX_CODEC_OK;
676 #else
677 (void)ctx;
678 (void)args;
679 return VPX_CODEC_INCAPABLE;
680 #endif
681 }
682
vp8_set_dbg_color_b_modes(vpx_codec_alg_priv_t * ctx,va_list args)683 static vpx_codec_err_t vp8_set_dbg_color_b_modes(vpx_codec_alg_priv_t *ctx,
684 va_list args) {
685 #if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
686 ctx->dbg_color_b_modes_flag = va_arg(args, int);
687 return VPX_CODEC_OK;
688 #else
689 (void)ctx;
690 (void)args;
691 return VPX_CODEC_INCAPABLE;
692 #endif
693 }
694
vp8_set_dbg_display_mv(vpx_codec_alg_priv_t * ctx,va_list args)695 static vpx_codec_err_t vp8_set_dbg_display_mv(vpx_codec_alg_priv_t *ctx,
696 va_list args) {
697 #if CONFIG_POSTPROC_VISUALIZER && CONFIG_POSTPROC
698 ctx->dbg_display_mv_flag = va_arg(args, int);
699 return VPX_CODEC_OK;
700 #else
701 (void)ctx;
702 (void)args;
703 return VPX_CODEC_INCAPABLE;
704 #endif
705 }
706
vp8_get_last_ref_updates(vpx_codec_alg_priv_t * ctx,va_list args)707 static vpx_codec_err_t vp8_get_last_ref_updates(vpx_codec_alg_priv_t *ctx,
708 va_list args)
709 {
710 int *update_info = va_arg(args, int *);
711
712 if (update_info && !ctx->yv12_frame_buffers.use_frame_threads)
713 {
714 VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
715
716 *update_info = pbi->common.refresh_alt_ref_frame * (int) VP8_ALTR_FRAME
717 + pbi->common.refresh_golden_frame * (int) VP8_GOLD_FRAME
718 + pbi->common.refresh_last_frame * (int) VP8_LAST_FRAME;
719
720 return VPX_CODEC_OK;
721 }
722 else
723 return VPX_CODEC_INVALID_PARAM;
724 }
725
726 extern int vp8dx_references_buffer( VP8_COMMON *oci, int ref_frame );
vp8_get_last_ref_frame(vpx_codec_alg_priv_t * ctx,va_list args)727 static vpx_codec_err_t vp8_get_last_ref_frame(vpx_codec_alg_priv_t *ctx,
728 va_list args)
729 {
730 int *ref_info = va_arg(args, int *);
731
732 if (ref_info && !ctx->yv12_frame_buffers.use_frame_threads)
733 {
734 VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
735 VP8_COMMON *oci = &pbi->common;
736 *ref_info =
737 (vp8dx_references_buffer( oci, ALTREF_FRAME )?VP8_ALTR_FRAME:0) |
738 (vp8dx_references_buffer( oci, GOLDEN_FRAME )?VP8_GOLD_FRAME:0) |
739 (vp8dx_references_buffer( oci, LAST_FRAME )?VP8_LAST_FRAME:0);
740
741 return VPX_CODEC_OK;
742 }
743 else
744 return VPX_CODEC_INVALID_PARAM;
745 }
746
vp8_get_frame_corrupted(vpx_codec_alg_priv_t * ctx,va_list args)747 static vpx_codec_err_t vp8_get_frame_corrupted(vpx_codec_alg_priv_t *ctx,
748 va_list args)
749 {
750
751 int *corrupted = va_arg(args, int *);
752 VP8D_COMP *pbi = (VP8D_COMP *)ctx->yv12_frame_buffers.pbi[0];
753
754 if (corrupted && pbi)
755 {
756 const YV12_BUFFER_CONFIG *const frame = pbi->common.frame_to_show;
757 if (frame == NULL) return VPX_CODEC_ERROR;
758 *corrupted = frame->corrupted;
759 return VPX_CODEC_OK;
760 }
761 else
762 return VPX_CODEC_INVALID_PARAM;
763
764 }
765
vp8_set_decryptor(vpx_codec_alg_priv_t * ctx,va_list args)766 static vpx_codec_err_t vp8_set_decryptor(vpx_codec_alg_priv_t *ctx,
767 va_list args)
768 {
769 vpx_decrypt_init *init = va_arg(args, vpx_decrypt_init *);
770
771 if (init)
772 {
773 ctx->decrypt_cb = init->decrypt_cb;
774 ctx->decrypt_state = init->decrypt_state;
775 }
776 else
777 {
778 ctx->decrypt_cb = NULL;
779 ctx->decrypt_state = NULL;
780 }
781 return VPX_CODEC_OK;
782 }
783
784 vpx_codec_ctrl_fn_map_t vp8_ctf_maps[] =
785 {
786 {VP8_SET_REFERENCE, vp8_set_reference},
787 {VP8_COPY_REFERENCE, vp8_get_reference},
788 {VP8_SET_POSTPROC, vp8_set_postproc},
789 {VP8_SET_DBG_COLOR_REF_FRAME, vp8_set_dbg_color_ref_frame},
790 {VP8_SET_DBG_COLOR_MB_MODES, vp8_set_dbg_color_mb_modes},
791 {VP8_SET_DBG_COLOR_B_MODES, vp8_set_dbg_color_b_modes},
792 {VP8_SET_DBG_DISPLAY_MV, vp8_set_dbg_display_mv},
793 {VP8D_GET_LAST_REF_UPDATES, vp8_get_last_ref_updates},
794 {VP8D_GET_FRAME_CORRUPTED, vp8_get_frame_corrupted},
795 {VP8D_GET_LAST_REF_USED, vp8_get_last_ref_frame},
796 {VPXD_SET_DECRYPTOR, vp8_set_decryptor},
797 { -1, NULL},
798 };
799
800
801 #ifndef VERSION_STRING
802 #define VERSION_STRING
803 #endif
804 CODEC_INTERFACE(vpx_codec_vp8_dx) =
805 {
806 "WebM Project VP8 Decoder" VERSION_STRING,
807 VPX_CODEC_INTERNAL_ABI_VERSION,
808 VPX_CODEC_CAP_DECODER | VP8_CAP_POSTPROC | VP8_CAP_ERROR_CONCEALMENT |
809 VPX_CODEC_CAP_INPUT_FRAGMENTS,
810 /* vpx_codec_caps_t caps; */
811 vp8_init, /* vpx_codec_init_fn_t init; */
812 vp8_destroy, /* vpx_codec_destroy_fn_t destroy; */
813 vp8_ctf_maps, /* vpx_codec_ctrl_fn_map_t *ctrl_maps; */
814 {
815 vp8_peek_si, /* vpx_codec_peek_si_fn_t peek_si; */
816 vp8_get_si, /* vpx_codec_get_si_fn_t get_si; */
817 vp8_decode, /* vpx_codec_decode_fn_t decode; */
818 vp8_get_frame, /* vpx_codec_frame_get_fn_t frame_get; */
819 NULL,
820 },
821 { /* encoder functions */
822 0,
823 NULL,
824 NULL,
825 NULL,
826 NULL,
827 NULL,
828 NULL
829 }
830 };
831