FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/vp8.c
Date: 2025-03-08 20:38:41
Exec Total Coverage
Lines: 1369 1598 85.7%
Functions: 77 84 91.7%
Branches: 818 1161 70.5%
Line Branch Exec Source
1 /*
2 * VP7/VP8 compatible video decoder
3 *
4 * Copyright (C) 2010 David Conrad
5 * Copyright (C) 2010 Ronald S. Bultje
6 * Copyright (C) 2010 Fiona Glaser
7 * Copyright (C) 2012 Daniel Kang
8 * Copyright (C) 2014 Peter Ross
9 *
10 * This file is part of FFmpeg.
11 *
12 * FFmpeg is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
16 *
17 * FFmpeg is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with FFmpeg; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 */
26
27 #include "config_components.h"
28
29 #include "libavutil/mem.h"
30 #include "libavutil/mem_internal.h"
31
32 #include "avcodec.h"
33 #include "codec_internal.h"
34 #include "decode.h"
35 #include "hwaccel_internal.h"
36 #include "hwconfig.h"
37 #include "mathops.h"
38 #include "progressframe.h"
39 #include "libavutil/refstruct.h"
40 #include "thread.h"
41 #include "vp8.h"
42 #include "vp89_rac.h"
43 #include "vp8data.h"
44 #include "vpx_rac.h"
45
46 #if ARCH_ARM
47 # include "arm/vp8.h"
48 #endif
49
50 // fixme: add 1 bit to all the calls to this?
51 6144 static int vp8_rac_get_sint(VPXRangeCoder *c, int bits)
52 {
53 int v;
54
55
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 6144 if (!vp89_rac_get(c))
56 5393 return 0;
57
58 751 v = vp89_rac_get_uint(c, bits);
59
60
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 751 if (vp89_rac_get(c))
61 98 v = -v;
62
63 751 return v;
64 }
65
66 306 static int vp8_rac_get_nn(VPXRangeCoder *c)
67 {
68 306 int v = vp89_rac_get_uint(c, 7) << 1;
69 306 return v + !v;
70 }
71
72 // DCTextra
73 51167 static int vp8_rac_get_coeff(VPXRangeCoder *c, const uint8_t *prob)
74 {
75 51167 int v = 0;
76
77 do {
78 197155 v = (v<<1) + vpx_rac_get_prob(c, *prob++);
79
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 197155 } while (*prob);
80
81 51167 return v;
82 }
83
84 79 static void free_buffers(VP8Context *s)
85 {
86 int i;
87
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 79 if (s->thread_data)
88
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 360 for (i = 0; i < MAX_THREADS; i++) {
89 #if HAVE_THREADS
90 320 pthread_cond_destroy(&s->thread_data[i].cond);
91 320 pthread_mutex_destroy(&s->thread_data[i].lock);
92 #endif
93 320 av_freep(&s->thread_data[i].filter_strength);
94 }
95 79 av_freep(&s->thread_data);
96 79 av_freep(&s->macroblocks_base);
97 79 av_freep(&s->intra4x4_pred_mode_top);
98 79 av_freep(&s->top_nnz);
99 79 av_freep(&s->top_border);
100
101 79 s->macroblocks = NULL;
102 79 }
103
104 1151 static int vp8_alloc_frame(VP8Context *s, VP8Frame *f, int ref)
105 {
106 1151 int ret = ff_progress_frame_get_buffer(s->avctx, &f->tf,
107 ref ? AV_GET_BUFFER_FLAG_REF : 0);
108
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 1151 if (ret < 0)
109 ✗ return ret;
110 1151 f->seg_map = av_refstruct_allocz(s->mb_width * s->mb_height);
111
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 1151 if (!f->seg_map) {
112 ✗ ret = AVERROR(ENOMEM);
113 ✗ goto fail;
114 }
115 1151 ret = ff_hwaccel_frame_priv_alloc(s->avctx, &f->hwaccel_picture_private);
116
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 1151 if (ret < 0)
117 ✗ goto fail;
118
119 1151 return 0;
120
121 ✗ fail:
122 ✗ av_refstruct_unref(&f->seg_map);
123 ✗ ff_progress_frame_unref(&f->tf);
124 ✗ return ret;
125 }
126
127 1429 static void vp8_release_frame(VP8Frame *f)
128 {
129 1429 av_refstruct_unref(&f->seg_map);
130 1429 av_refstruct_unref(&f->hwaccel_picture_private);
131 1429 ff_progress_frame_unref(&f->tf);
132 1429 }
133
134 79 static av_cold void vp8_decode_flush_impl(AVCodecContext *avctx, int free_mem)
135 {
136 79 VP8Context *s = avctx->priv_data;
137 int i;
138
139
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 474 for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++)
140 395 vp8_release_frame(&s->frames[i]);
141 79 memset(s->framep, 0, sizeof(s->framep));
142
143
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 79 if (free_mem)
144 79 free_buffers(s);
145
146
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 79 if (FF_HW_HAS_CB(avctx, flush))
147 ✗ FF_HW_SIMPLE_CALL(avctx, flush);
148 79 }
149
150 ✗ static av_cold void vp8_decode_flush(AVCodecContext *avctx)
151 {
152 ✗ vp8_decode_flush_impl(avctx, 0);
153 ✗ }
154
155 1151 static VP8Frame *vp8_find_free_buffer(VP8Context *s)
156 {
157 1151 VP8Frame *frame = NULL;
158 int i;
159
160 // find a free buffer
161
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 2810 for (i = 0; i < 5; i++)
162
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 2810 if (&s->frames[i] != s->framep[VP8_FRAME_CURRENT] &&
163
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 2214 &s->frames[i] != s->framep[VP8_FRAME_PREVIOUS] &&
164
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 2213 &s->frames[i] != s->framep[VP8_FRAME_GOLDEN] &&
165
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 1609 &s->frames[i] != s->framep[VP8_FRAME_ALTREF]) {
166 1151 frame = &s->frames[i];
167 1151 break;
168 }
169
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 1151 if (i == 5) {
170 ✗ av_log(s->avctx, AV_LOG_FATAL, "Ran out of free frames!\n");
171 ✗ abort();
172 }
173
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 1151 if (frame->tf.f)
174 ✗ vp8_release_frame(frame);
175
176 1151 return frame;
177 }
178
179 21 static enum AVPixelFormat get_pixel_format(VP8Context *s)
180 {
181 21 enum AVPixelFormat pix_fmts[] = {
182 #if CONFIG_VP8_VAAPI_HWACCEL
183 AV_PIX_FMT_VAAPI,
184 #endif
185 #if CONFIG_VP8_NVDEC_HWACCEL
186 AV_PIX_FMT_CUDA,
187 #endif
188 AV_PIX_FMT_YUV420P,
189 AV_PIX_FMT_NONE,
190 };
191
192 21 return ff_get_format(s->avctx, pix_fmts);
193 }
194
195 static av_always_inline
196 40 int update_dimensions(VP8Context *s, int width, int height, int is_vp7)
197 {
198 40 AVCodecContext *avctx = s->avctx;
199 40 int i, ret, dim_reset = 0;
200
201
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 40 if (width != s->avctx->width || ((width+15)/16 != s->mb_width || (height+15)/16 != s->mb_height) && s->macroblocks_base ||
202
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 24 height != s->avctx->height) {
203 16 vp8_decode_flush_impl(s->avctx, 1);
204
205 16 ret = ff_set_dimensions(s->avctx, width, height);
206
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 16 if (ret < 0)
207 ✗ return ret;
208
209 16 dim_reset = (s->macroblocks_base != NULL);
210 }
211
212
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 40 if ((s->pix_fmt == AV_PIX_FMT_NONE || dim_reset) &&
213
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 28 !s->actually_webp && !is_vp7) {
214 21 s->pix_fmt = get_pixel_format(s);
215
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 21 if (s->pix_fmt < 0)
216 ✗ return AVERROR(EINVAL);
217 21 avctx->pix_fmt = s->pix_fmt;
218 }
219
220 40 s->mb_width = (s->avctx->coded_width + 15) / 16;
221 40 s->mb_height = (s->avctx->coded_height + 15) / 16;
222
223
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 40 s->mb_layout = is_vp7 || avctx->active_thread_type == FF_THREAD_SLICE &&
224 ✗ avctx->thread_count > 1;
225
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 40 if (!s->mb_layout) { // Frame threading and one thread
226 39 s->macroblocks_base = av_mallocz((s->mb_width + s->mb_height * 2 + 1) *
227 sizeof(*s->macroblocks));
228 39 s->intra4x4_pred_mode_top = av_mallocz(s->mb_width * 4);
229 } else // Sliced threading
230 1 s->macroblocks_base = av_mallocz((s->mb_width + 2) * (s->mb_height + 2) *
231 sizeof(*s->macroblocks));
232 40 s->top_nnz = av_mallocz(s->mb_width * sizeof(*s->top_nnz));
233 40 s->top_border = av_mallocz((s->mb_width + 1) * sizeof(*s->top_border));
234 40 s->thread_data = av_mallocz(MAX_THREADS * sizeof(VP8ThreadData));
235
236
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 40 if (!s->macroblocks_base || !s->top_nnz || !s->top_border ||
237
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 40 !s->thread_data || (!s->intra4x4_pred_mode_top && !s->mb_layout)) {
238 ✗ free_buffers(s);
239 ✗ return AVERROR(ENOMEM);
240 }
241
242
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 360 for (i = 0; i < MAX_THREADS; i++) {
243 640 s->thread_data[i].filter_strength =
244 320 av_mallocz(s->mb_width * sizeof(*s->thread_data[0].filter_strength));
245
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 320 if (!s->thread_data[i].filter_strength) {
246 ✗ free_buffers(s);
247 ✗ return AVERROR(ENOMEM);
248 }
249 #if HAVE_THREADS
250 320 ret = pthread_mutex_init(&s->thread_data[i].lock, NULL);
251
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 320 if (ret) {
252 ✗ free_buffers(s);
253 ✗ return AVERROR(ret);
254 }
255 320 ret = pthread_cond_init(&s->thread_data[i].cond, NULL);
256
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 320 if (ret) {
257 ✗ free_buffers(s);
258 ✗ return AVERROR(ret);
259 }
260 #endif
261 }
262
263 40 s->macroblocks = s->macroblocks_base + 1;
264
265 40 return 0;
266 }
267
268 1 static int vp7_update_dimensions(VP8Context *s, int width, int height)
269 {
270 1 return update_dimensions(s, width, height, IS_VP7);
271 }
272
273 39 static int vp8_update_dimensions(VP8Context *s, int width, int height)
274 {
275 39 return update_dimensions(s, width, height, IS_VP8);
276 }
277
278
279 433 static void parse_segment_info(VP8Context *s)
280 {
281 433 VPXRangeCoder *c = &s->c;
282 int i;
283
284 433 s->segmentation.update_map = vp89_rac_get(c);
285 433 s->segmentation.update_feature_data = vp89_rac_get(c);
286
287
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 433 if (s->segmentation.update_feature_data) {
288 68 s->segmentation.absolute_vals = vp89_rac_get(c);
289
290
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 340 for (i = 0; i < 4; i++)
291 272 s->segmentation.base_quant[i] = vp8_rac_get_sint(c, 7);
292
293
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 340 for (i = 0; i < 4; i++)
294 272 s->segmentation.filter_level[i] = vp8_rac_get_sint(c, 6);
295 }
296
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 433 if (s->segmentation.update_map)
297
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 272 for (i = 0; i < 3; i++)
298
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 204 s->prob->segmentid[i] = vp89_rac_get(c) ? vp89_rac_get_uint(c, 8) : 255;
299 433 }
300
301 45 static void update_lf_deltas(VP8Context *s)
302 {
303 45 VPXRangeCoder *c = &s->c;
304 int i;
305
306
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 225 for (i = 0; i < 4; i++) {
307
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 180 if (vp89_rac_get(c)) {
308 135 s->lf_delta.ref[i] = vp89_rac_get_uint(c, 6);
309
310
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 135 if (vp89_rac_get(c))
311 90 s->lf_delta.ref[i] = -s->lf_delta.ref[i];
312 }
313 }
314
315
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 225 for (i = MODE_I4x4; i <= VP8_MVMODE_SPLIT; i++) {
316
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 180 if (vp89_rac_get(c)) {
317 180 s->lf_delta.mode[i] = vp89_rac_get_uint(c, 6);
318
319
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 180 if (vp89_rac_get(c))
320 45 s->lf_delta.mode[i] = -s->lf_delta.mode[i];
321 }
322 }
323 45 }
324
325 1120 static int setup_partitions(VP8Context *s, const uint8_t *buf, int buf_size)
326 {
327 1120 const uint8_t *sizes = buf;
328 int i;
329 int ret;
330
331 1120 s->num_coeff_partitions = 1 << vp89_rac_get_uint(&s->c, 2);
332
333 1120 buf += 3 * (s->num_coeff_partitions - 1);
334 1120 buf_size -= 3 * (s->num_coeff_partitions - 1);
335
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 1120 if (buf_size < 0)
336 ✗ return -1;
337
338
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 1459 for (i = 0; i < s->num_coeff_partitions - 1; i++) {
339 339 int size = AV_RL24(sizes + 3 * i);
340
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 339 if (buf_size - size < 0)
341 ✗ return -1;
342 339 s->coeff_partition_size[i] = size;
343
344 339 ret = ff_vpx_init_range_decoder(&s->coeff_partition[i], buf, size);
345
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 339 if (ret < 0)
346 ✗ return ret;
347 339 buf += size;
348 339 buf_size -= size;
349 }
350
351 1120 s->coeff_partition_size[i] = buf_size;
352
353 1120 return ff_vpx_init_range_decoder(&s->coeff_partition[i], buf, buf_size);
354 }
355
356 31 static void vp7_get_quants(VP8Context *s)
357 {
358 31 VPXRangeCoder *c = &s->c;
359
360 31 int yac_qi = vp89_rac_get_uint(c, 7);
361
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 31 int ydc_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
362
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 31 int y2dc_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
363
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 31 int y2ac_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
364
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 31 int uvdc_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
365
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 31 int uvac_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
366
367 31 s->qmat[0].luma_qmul[0] = vp7_ydc_qlookup[ydc_qi];
368 31 s->qmat[0].luma_qmul[1] = vp7_yac_qlookup[yac_qi];
369 31 s->qmat[0].luma_dc_qmul[0] = vp7_y2dc_qlookup[y2dc_qi];
370 31 s->qmat[0].luma_dc_qmul[1] = vp7_y2ac_qlookup[y2ac_qi];
371 31 s->qmat[0].chroma_qmul[0] = FFMIN(vp7_ydc_qlookup[uvdc_qi], 132);
372 31 s->qmat[0].chroma_qmul[1] = vp7_yac_qlookup[uvac_qi];
373 31 }
374
375 1120 static void vp8_get_quants(VP8Context *s)
376 {
377 1120 VPXRangeCoder *c = &s->c;
378 int i, base_qi;
379
380 1120 s->quant.yac_qi = vp89_rac_get_uint(c, 7);
381 1120 s->quant.ydc_delta = vp8_rac_get_sint(c, 4);
382 1120 s->quant.y2dc_delta = vp8_rac_get_sint(c, 4);
383 1120 s->quant.y2ac_delta = vp8_rac_get_sint(c, 4);
384 1120 s->quant.uvdc_delta = vp8_rac_get_sint(c, 4);
385 1120 s->quant.uvac_delta = vp8_rac_get_sint(c, 4);
386
387
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 5600 for (i = 0; i < 4; i++) {
388
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 4480 if (s->segmentation.enabled) {
389 1732 base_qi = s->segmentation.base_quant[i];
390
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 1732 if (!s->segmentation.absolute_vals)
391 1608 base_qi += s->quant.yac_qi;
392 } else
393 2748 base_qi = s->quant.yac_qi;
394
395 4480 s->qmat[i].luma_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + s->quant.ydc_delta, 7)];
396 4480 s->qmat[i].luma_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi, 7)];
397 4480 s->qmat[i].luma_dc_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + s->quant.y2dc_delta, 7)] * 2;
398 /* 101581>>16 is equivalent to 155/100 */
399 4480 s->qmat[i].luma_dc_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi + s->quant.y2ac_delta, 7)] * 101581 >> 16;
400 4480 s->qmat[i].chroma_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + s->quant.uvdc_delta, 7)];
401 4480 s->qmat[i].chroma_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi + s->quant.uvac_delta, 7)];
402
403 4480 s->qmat[i].luma_dc_qmul[1] = FFMAX(s->qmat[i].luma_dc_qmul[1], 8);
404 4480 s->qmat[i].chroma_qmul[0] = FFMIN(s->qmat[i].chroma_qmul[0], 132);
405 }
406 1120 }
407
408 /**
409 * Determine which buffers golden and altref should be updated with after this frame.
410 * The spec isn't clear here, so I'm going by my understanding of what libvpx does
411 *
412 * Intra frames update all 3 references
413 * Inter frames update VP8_FRAME_PREVIOUS if the update_last flag is set
414 * If the update (golden|altref) flag is set, it's updated with the current frame
415 * if update_last is set, and VP8_FRAME_PREVIOUS otherwise.
416 * If the flag is not set, the number read means:
417 * 0: no update
418 * 1: VP8_FRAME_PREVIOUS
419 * 2: update golden with altref, or update altref with golden
420 */
421 2138 static VP8FrameType ref_to_update(VP8Context *s, int update, VP8FrameType ref)
422 {
423 2138 VPXRangeCoder *c = &s->c;
424
425
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 2138 if (update)
426 90 return VP8_FRAME_CURRENT;
427
428
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 2048 switch (vp89_rac_get_uint(c, 2)) {
429 31 case 1:
430 31 return VP8_FRAME_PREVIOUS;
431 84 case 2:
432
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 84 return (ref == VP8_FRAME_GOLDEN) ? VP8_FRAME_ALTREF : VP8_FRAME_GOLDEN;
433 }
434 1933 return VP8_FRAME_NONE;
435 }
436
437 52 static void vp78_reset_probability_tables(VP8Context *s)
438 {
439 int i, j;
440
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441
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442 3328 memcpy(s->prob->token[i][j], vp8_token_default_probs[i][vp8_coeff_band[j]],
443 sizeof(s->prob->token[i][j]));
444 52 }
445
446 1151 static void vp78_update_probability_tables(VP8Context *s)
447 {
448 1151 VPXRangeCoder *c = &s->c;
449 int i, j, k, l, m;
450
451
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452
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453
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454
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455
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 1215456 if (vpx_rac_get_prob_branchy(c, ff_vp8_token_update_probs[i][j][k][l])) {
456 7805 int prob = vp89_rac_get_uint(c, 8);
457
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 25898 for (m = 0; vp8_coeff_band_indexes[j][m] >= 0; m++)
458 18093 s->prob->token[i][vp8_coeff_band_indexes[j][m]][k][l] = prob;
459 }
460 1151 }
461
462 #define VP7_MVC_SIZE 17
463 #define VP8_MVC_SIZE 19
464
465 1099 static void vp78_update_pred16x16_pred8x8_mvc_probabilities(VP8Context *s,
466 int mvc_size)
467 {
468 1099 VPXRangeCoder *c = &s->c;
469 int i, j;
470
471
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 1099 if (vp89_rac_get(c))
472
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 10 for (i = 0; i < 4; i++)
473 8 s->prob->pred16x16[i] = vp89_rac_get_uint(c, 8);
474
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 1099 if (vp89_rac_get(c))
475
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 4 for (i = 0; i < 3; i++)
476 3 s->prob->pred8x8c[i] = vp89_rac_get_uint(c, 8);
477
478 // 17.2 MV probability update
479
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480
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481
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 41642 if (vpx_rac_get_prob_branchy(c, vp8_mv_update_prob[i][j]))
482 306 s->prob->mvc[i][j] = vp8_rac_get_nn(c);
483 1099 }
484
485 1069 static void update_refs(VP8Context *s)
486 {
487 1069 VPXRangeCoder *c = &s->c;
488
489 1069 int update_golden = vp89_rac_get(c);
490 1069 int update_altref = vp89_rac_get(c);
491
492 1069 s->update_golden = ref_to_update(s, update_golden, VP8_FRAME_GOLDEN);
493 1069 s->update_altref = ref_to_update(s, update_altref, VP8_FRAME_ALTREF);
494 1069 }
495
496 ✗ static void copy_chroma(AVFrame *dst, const AVFrame *src, int width, int height)
497 {
498 int i, j;
499
500 ✗ for (j = 1; j < 3; j++) {
501 ✗ for (i = 0; i < height / 2; i++)
502 ✗ memcpy(dst->data[j] + i * dst->linesize[j],
503 ✗ src->data[j] + i * src->linesize[j], width / 2);
504 }
505 ✗ }
506
507 ✗ static void fade(uint8_t *dst, ptrdiff_t dst_linesize,
508 const uint8_t *src, ptrdiff_t src_linesize,
509 int width, int height,
510 int alpha, int beta)
511 {
512 int i, j;
513 ✗ for (j = 0; j < height; j++) {
514 ✗ const uint8_t *src2 = src + j * src_linesize;
515 ✗ uint8_t *dst2 = dst + j * dst_linesize;
516 ✗ for (i = 0; i < width; i++) {
517 ✗ uint8_t y = src2[i];
518 ✗ dst2[i] = av_clip_uint8(y + ((y * beta) >> 8) + alpha);
519 }
520 }
521 ✗ }
522
523 31 static int vp7_fade_frame(VP8Context *s, int alpha, int beta)
524 {
525 int ret;
526
527
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 31 if (!s->keyframe && (alpha || beta)) {
528 ✗ int width = s->mb_width * 16;
529 ✗ int height = s->mb_height * 16;
530 const AVFrame *src;
531 AVFrame *dst;
532
533 ✗ if (!s->framep[VP8_FRAME_PREVIOUS] ||
534 ✗ !s->framep[VP8_FRAME_GOLDEN]) {
535 ✗ av_log(s->avctx, AV_LOG_WARNING, "Discarding interframe without a prior keyframe!\n");
536 ✗ return AVERROR_INVALIDDATA;
537 }
538
539 ✗ src =
540 ✗ dst = s->framep[VP8_FRAME_PREVIOUS]->tf.f;
541
542 /* preserve the golden frame, write a new previous frame */
543 ✗ if (s->framep[VP8_FRAME_GOLDEN] == s->framep[VP8_FRAME_PREVIOUS]) {
544 ✗ s->framep[VP8_FRAME_PREVIOUS] = vp8_find_free_buffer(s);
545 ✗ if ((ret = vp8_alloc_frame(s, s->framep[VP8_FRAME_PREVIOUS], 1)) < 0)
546 ✗ return ret;
547
548 ✗ dst = s->framep[VP8_FRAME_PREVIOUS]->tf.f;
549
550 ✗ copy_chroma(dst, src, width, height);
551 }
552
553 ✗ fade(dst->data[0], dst->linesize[0],
554 ✗ src->data[0], src->linesize[0],
555 width, height, alpha, beta);
556 }
557
558 31 return 0;
559 }
560
561 31 static int vp7_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
562 {
563 31 VPXRangeCoder *c = &s->c;
564 int part1_size, hscale, vscale, i, j, ret;
565 31 int width = s->avctx->width;
566 31 int height = s->avctx->height;
567 31 int alpha = 0;
568 31 int beta = 0;
569 31 int fade_present = 1;
570
571
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 31 if (buf_size < 4) {
572 ✗ return AVERROR_INVALIDDATA;
573 }
574
575 31 s->profile = (buf[0] >> 1) & 7;
576
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 31 if (s->profile > 1) {
577 ✗ avpriv_request_sample(s->avctx, "Unknown profile %d", s->profile);
578 ✗ return AVERROR_INVALIDDATA;
579 }
580
581 31 s->keyframe = !(buf[0] & 1);
582 31 s->invisible = 0;
583 31 part1_size = AV_RL24(buf) >> 4;
584
585
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 31 if (buf_size < 4 - s->profile + part1_size) {
586 ✗ av_log(s->avctx, AV_LOG_ERROR, "Buffer size %d is too small, needed : %d\n", buf_size, 4 - s->profile + part1_size);
587 ✗ return AVERROR_INVALIDDATA;
588 }
589
590 31 buf += 4 - s->profile;
591 31 buf_size -= 4 - s->profile;
592
593 31 memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_epel_pixels_tab, sizeof(s->put_pixels_tab));
594
595 31 ret = ff_vpx_init_range_decoder(c, buf, part1_size);
596
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 31 if (ret < 0)
597 ✗ return ret;
598 31 buf += part1_size;
599 31 buf_size -= part1_size;
600
601 /* A. Dimension information (keyframes only) */
602
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 31 if (s->keyframe) {
603 1 width = vp89_rac_get_uint(c, 12);
604 1 height = vp89_rac_get_uint(c, 12);
605 1 hscale = vp89_rac_get_uint(c, 2);
606 1 vscale = vp89_rac_get_uint(c, 2);
607
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 1 if (hscale || vscale)
608 ✗ avpriv_request_sample(s->avctx, "Upscaling");
609
610 1 s->update_golden = s->update_altref = VP8_FRAME_CURRENT;
611 1 vp78_reset_probability_tables(s);
612 1 memcpy(s->prob->pred16x16, vp8_pred16x16_prob_inter,
613 sizeof(s->prob->pred16x16));
614 1 memcpy(s->prob->pred8x8c, vp8_pred8x8c_prob_inter,
615 sizeof(s->prob->pred8x8c));
616
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 3 for (i = 0; i < 2; i++)
617 2 memcpy(s->prob->mvc[i], vp7_mv_default_prob[i],
618 sizeof(vp7_mv_default_prob[i]));
619 1 memset(&s->segmentation, 0, sizeof(s->segmentation));
620 1 memset(&s->lf_delta, 0, sizeof(s->lf_delta));
621 1 memcpy(s->prob[0].scan, ff_zigzag_scan, sizeof(s->prob[0].scan));
622 }
623
624
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 31 if (s->keyframe || s->profile > 0)
625 1 memset(s->inter_dc_pred, 0 , sizeof(s->inter_dc_pred));
626
627 /* B. Decoding information for all four macroblock-level features */
628
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 155 for (i = 0; i < 4; i++) {
629 124 s->feature_enabled[i] = vp89_rac_get(c);
630
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 124 if (s->feature_enabled[i]) {
631 ✗ s->feature_present_prob[i] = vp89_rac_get_uint(c, 8);
632
633 ✗ for (j = 0; j < 3; j++)
634 ✗ s->feature_index_prob[i][j] =
635 ✗ vp89_rac_get(c) ? vp89_rac_get_uint(c, 8) : 255;
636
637 ✗ if (vp7_feature_value_size[s->profile][i])
638 ✗ for (j = 0; j < 4; j++)
639 ✗ s->feature_value[i][j] =
640 ✗ vp89_rac_get(c) ? vp89_rac_get_uint(c, vp7_feature_value_size[s->profile][i]) : 0;
641 }
642 }
643
644 31 s->segmentation.enabled = 0;
645 31 s->segmentation.update_map = 0;
646 31 s->lf_delta.enabled = 0;
647
648 31 s->num_coeff_partitions = 1;
649 31 ret = ff_vpx_init_range_decoder(&s->coeff_partition[0], buf, buf_size);
650
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 31 if (ret < 0)
651 ✗ return ret;
652
653
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 31 if (!s->macroblocks_base || /* first frame */
654
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 30 width != s->avctx->width || height != s->avctx->height ||
655
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 30 (width + 15) / 16 != s->mb_width || (height + 15) / 16 != s->mb_height) {
656
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 1 if ((ret = vp7_update_dimensions(s, width, height)) < 0)
657 ✗ return ret;
658 }
659
660 /* C. Dequantization indices */
661 31 vp7_get_quants(s);
662
663 /* D. Golden frame update flag (a Flag) for interframes only */
664
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 31 if (!s->keyframe) {
665
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 30 s->update_golden = vp89_rac_get(c) ? VP8_FRAME_CURRENT : VP8_FRAME_NONE;
666 30 s->sign_bias[VP8_FRAME_GOLDEN] = 0;
667 }
668
669 31 s->update_last = 1;
670 31 s->update_probabilities = 1;
671
672
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 31 if (s->profile > 0) {
673 ✗ s->update_probabilities = vp89_rac_get(c);
674 ✗ if (!s->update_probabilities)
675 ✗ s->prob[1] = s->prob[0];
676
677 ✗ if (!s->keyframe)
678 ✗ fade_present = vp89_rac_get(c);
679 }
680
681
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 31 if (vpx_rac_is_end(c))
682 ✗ return AVERROR_INVALIDDATA;
683 /* E. Fading information for previous frame */
684
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 31 if (fade_present && vp89_rac_get(c)) {
685 ✗ alpha = (int8_t) vp89_rac_get_uint(c, 8);
686 ✗ beta = (int8_t) vp89_rac_get_uint(c, 8);
687 }
688
689 /* F. Loop filter type */
690
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 31 if (!s->profile)
691 31 s->filter.simple = vp89_rac_get(c);
692
693 /* G. DCT coefficient ordering specification */
694
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 31 if (vp89_rac_get(c))
695
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 208 for (i = 1; i < 16; i++)
696 195 s->prob[0].scan[i] = ff_zigzag_scan[vp89_rac_get_uint(c, 4)];
697
698 /* H. Loop filter levels */
699
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 31 if (s->profile > 0)
700 ✗ s->filter.simple = vp89_rac_get(c);
701 31 s->filter.level = vp89_rac_get_uint(c, 6);
702 31 s->filter.sharpness = vp89_rac_get_uint(c, 3);
703
704 /* I. DCT coefficient probability update; 13.3 Token Probability Updates */
705 31 vp78_update_probability_tables(s);
706
707 31 s->mbskip_enabled = 0;
708
709 /* J. The remaining frame header data occurs ONLY FOR INTERFRAMES */
710
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 31 if (!s->keyframe) {
711 30 s->prob->intra = vp89_rac_get_uint(c, 8);
712 30 s->prob->last = vp89_rac_get_uint(c, 8);
713 30 vp78_update_pred16x16_pred8x8_mvc_probabilities(s, VP7_MVC_SIZE);
714 }
715
716
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 31 if (vpx_rac_is_end(c))
717 ✗ return AVERROR_INVALIDDATA;
718
719
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 31 if ((ret = vp7_fade_frame(s, alpha, beta)) < 0)
720 ✗ return ret;
721
722 31 return 0;
723 }
724
725 1120 static int vp8_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
726 {
727 1120 VPXRangeCoder *c = &s->c;
728 int header_size, hscale, vscale, ret;
729 1120 int width = s->avctx->width;
730 1120 int height = s->avctx->height;
731
732
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 1120 if (buf_size < 3) {
733 ✗ av_log(s->avctx, AV_LOG_ERROR, "Insufficent data (%d) for header\n", buf_size);
734 ✗ return AVERROR_INVALIDDATA;
735 }
736
737 1120 s->keyframe = !(buf[0] & 1);
738 1120 s->profile = (buf[0]>>1) & 7;
739 1120 s->invisible = !(buf[0] & 0x10);
740 1120 header_size = AV_RL24(buf) >> 5;
741 1120 buf += 3;
742 1120 buf_size -= 3;
743
744 1120 s->header_partition_size = header_size;
745
746
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 1120 if (s->profile > 3)
747 ✗ av_log(s->avctx, AV_LOG_WARNING, "Unknown profile %d\n", s->profile);
748
749
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 1120 if (!s->profile)
750 964 memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_epel_pixels_tab,
751 sizeof(s->put_pixels_tab));
752 else // profile 1-3 use bilinear, 4+ aren't defined so whatever
753 156 memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_bilinear_pixels_tab,
754 sizeof(s->put_pixels_tab));
755
756
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 1120 if (header_size > buf_size - 7 * s->keyframe) {
757 ✗ av_log(s->avctx, AV_LOG_ERROR, "Header size larger than data provided\n");
758 ✗ return AVERROR_INVALIDDATA;
759 }
760
761
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 1120 if (s->keyframe) {
762
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 51 if (AV_RL24(buf) != 0x2a019d) {
763 ✗ av_log(s->avctx, AV_LOG_ERROR,
764 ✗ "Invalid start code 0x%x\n", AV_RL24(buf));
765 ✗ return AVERROR_INVALIDDATA;
766 }
767 51 width = AV_RL16(buf + 3) & 0x3fff;
768 51 height = AV_RL16(buf + 5) & 0x3fff;
769 51 hscale = buf[4] >> 6;
770 51 vscale = buf[6] >> 6;
771 51 buf += 7;
772 51 buf_size -= 7;
773
774
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 51 if (hscale || vscale)
775 ✗ avpriv_request_sample(s->avctx, "Upscaling");
776
777 51 s->update_golden = s->update_altref = VP8_FRAME_CURRENT;
778 51 vp78_reset_probability_tables(s);
779 51 memcpy(s->prob->pred16x16, vp8_pred16x16_prob_inter,
780 sizeof(s->prob->pred16x16));
781 51 memcpy(s->prob->pred8x8c, vp8_pred8x8c_prob_inter,
782 sizeof(s->prob->pred8x8c));
783 51 memcpy(s->prob->mvc, vp8_mv_default_prob,
784 sizeof(s->prob->mvc));
785 51 memset(&s->segmentation, 0, sizeof(s->segmentation));
786 51 memset(&s->lf_delta, 0, sizeof(s->lf_delta));
787 }
788
789 1120 ret = ff_vpx_init_range_decoder(c, buf, header_size);
790
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 1120 if (ret < 0)
791 ✗ return ret;
792 1120 buf += header_size;
793 1120 buf_size -= header_size;
794
795
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 1120 if (s->keyframe) {
796 51 s->colorspace = vp89_rac_get(c);
797
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 51 if (s->colorspace)
798 ✗ av_log(s->avctx, AV_LOG_WARNING, "Unspecified colorspace\n");
799 51 s->fullrange = vp89_rac_get(c);
800 }
801
802
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 1120 if ((s->segmentation.enabled = vp89_rac_get(c)))
803 433 parse_segment_info(s);
804 else
805 687 s->segmentation.update_map = 0; // FIXME: move this to some init function?
806
807 1120 s->filter.simple = vp89_rac_get(c);
808 1120 s->filter.level = vp89_rac_get_uint(c, 6);
809 1120 s->filter.sharpness = vp89_rac_get_uint(c, 3);
810
811
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 1120 if ((s->lf_delta.enabled = vp89_rac_get(c))) {
812 1114 s->lf_delta.update = vp89_rac_get(c);
813
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 1114 if (s->lf_delta.update)
814 45 update_lf_deltas(s);
815 }
816
817
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 1120 if (setup_partitions(s, buf, buf_size)) {
818 ✗ av_log(s->avctx, AV_LOG_ERROR, "Invalid partitions\n");
819 ✗ return AVERROR_INVALIDDATA;
820 }
821
822
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 1120 if (!s->macroblocks_base || /* first frame */
823
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 1093 width != s->avctx->width || height != s->avctx->height ||
824
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 1081 (width+15)/16 != s->mb_width || (height+15)/16 != s->mb_height)
825
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 39 if ((ret = vp8_update_dimensions(s, width, height)) < 0)
826 ✗ return ret;
827
828 1120 vp8_get_quants(s);
829
830
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 1120 if (!s->keyframe) {
831 1069 update_refs(s);
832 1069 s->sign_bias[VP8_FRAME_GOLDEN] = vp89_rac_get(c);
833 1069 s->sign_bias[VP8_FRAME_ALTREF] = vp89_rac_get(c);
834 }
835
836 // if we aren't saving this frame's probabilities for future frames,
837 // make a copy of the current probabilities
838
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 1120 if (!(s->update_probabilities = vp89_rac_get(c)))
839 64 s->prob[1] = s->prob[0];
840
841
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 1120 s->update_last = s->keyframe || vp89_rac_get(c);
842
843 1120 vp78_update_probability_tables(s);
844
845
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 1120 if ((s->mbskip_enabled = vp89_rac_get(c)))
846 1114 s->prob->mbskip = vp89_rac_get_uint(c, 8);
847
848
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 1120 if (!s->keyframe) {
849 1069 s->prob->intra = vp89_rac_get_uint(c, 8);
850 1069 s->prob->last = vp89_rac_get_uint(c, 8);
851 1069 s->prob->golden = vp89_rac_get_uint(c, 8);
852 1069 vp78_update_pred16x16_pred8x8_mvc_probabilities(s, VP8_MVC_SIZE);
853 }
854
855 // Record the entropy coder state here so that hwaccels can use it.
856 1120 s->c.code_word = vpx_rac_renorm(&s->c);
857 1120 s->coder_state_at_header_end.input = s->c.buffer - (-s->c.bits / 8);
858 1120 s->coder_state_at_header_end.range = s->c.high;
859 1120 s->coder_state_at_header_end.value = s->c.code_word >> 16;
860 1120 s->coder_state_at_header_end.bit_count = -s->c.bits % 8;
861
862 1120 return 0;
863 }
864
865 static av_always_inline
866 57182 void clamp_mv(const VP8mvbounds *s, VP8mv *dst, const VP8mv *src)
867 {
868 57182 dst->x = av_clip(src->x, av_clip(s->mv_min.x, INT16_MIN, INT16_MAX),
869 57182 av_clip(s->mv_max.x, INT16_MIN, INT16_MAX));
870 57182 dst->y = av_clip(src->y, av_clip(s->mv_min.y, INT16_MIN, INT16_MAX),
871 57182 av_clip(s->mv_max.y, INT16_MIN, INT16_MAX));
872 57182 }
873
874 /**
875 * Motion vector coding, 17.1.
876 */
877 84910 static av_always_inline int read_mv_component(VPXRangeCoder *c, const uint8_t *p, int vp7)
878 {
879 84910 int bit, x = 0;
880
881
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 84910 if (vpx_rac_get_prob_branchy(c, p[0])) {
882 int i;
883
884
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 79864 for (i = 0; i < 3; i++)
885 59898 x += vpx_rac_get_prob(c, p[9 + i]) << i;
886
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 139762 for (i = (vp7 ? 7 : 9); i > 3; i--)
887 119796 x += vpx_rac_get_prob(c, p[9 + i]) << i;
888
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 19966 if (!(x & (vp7 ? 0xF0 : 0xFFF0)) || vpx_rac_get_prob(c, p[12]))
889 13308 x += 8;
890 } else {
891 // small_mvtree
892 64944 const uint8_t *ps = p + 2;
893 64944 bit = vpx_rac_get_prob(c, *ps);
894 64944 ps += 1 + 3 * bit;
895 64944 x += 4 * bit;
896 64944 bit = vpx_rac_get_prob(c, *ps);
897 64944 ps += 1 + bit;
898 64944 x += 2 * bit;
899 64944 x += vpx_rac_get_prob(c, *ps);
900 }
901
902
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 84910 return (x && vpx_rac_get_prob(c, p[1])) ? -x : x;
903 }
904
905 ✗ static int vp7_read_mv_component(VPXRangeCoder *c, const uint8_t *p)
906 {
907 ✗ return read_mv_component(c, p, 1);
908 }
909
910 28394 static int vp8_read_mv_component(VPXRangeCoder *c, const uint8_t *p)
911 {
912 28394 return read_mv_component(c, p, 0);
913 }
914
915 static av_always_inline
916 136610 const uint8_t *get_submv_prob(uint32_t left, uint32_t top, int is_vp7)
917 {
918
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 136610 if (is_vp7)
919 ✗ return vp7_submv_prob;
920
921
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 136610 if (left == top)
922
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 58719 return vp8_submv_prob[4 - !!left];
923
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 77891 if (!top)
924 18934 return vp8_submv_prob[2];
925 58957 return vp8_submv_prob[1 - !!left];
926 }
927
928 /**
929 * Split motion vector prediction, 16.4.
930 * @returns the number of motion vectors parsed (2, 4 or 16)
931 */
932 static av_always_inline
933 18330 int decode_splitmvs(const VP8Context *s, VPXRangeCoder *c, VP8Macroblock *mb,
934 int layout, int is_vp7)
935 {
936 int part_idx;
937 int n, num;
938 const VP8Macroblock *top_mb;
939 18330 const VP8Macroblock *left_mb = &mb[-1];
940 18330 const uint8_t *mbsplits_left = vp8_mbsplits[left_mb->partitioning];
941 const uint8_t *mbsplits_top, *mbsplits_cur, *firstidx;
942 const VP8mv *top_mv;
943 18330 const VP8mv *left_mv = left_mb->bmv;
944 18330 const VP8mv *cur_mv = mb->bmv;
945
946
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 18330 if (!layout) // layout is inlined, s->mb_layout is not
947 18330 top_mb = &mb[2];
948 else
949 ✗ top_mb = &mb[-s->mb_width - 1];
950 18330 mbsplits_top = vp8_mbsplits[top_mb->partitioning];
951 18330 top_mv = top_mb->bmv;
952
953
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 18330 if (vpx_rac_get_prob_branchy(c, vp8_mbsplit_prob[0])) {
954
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 11715 if (vpx_rac_get_prob_branchy(c, vp8_mbsplit_prob[1]))
955 8045 part_idx = VP8_SPLITMVMODE_16x8 + vpx_rac_get_prob(c, vp8_mbsplit_prob[2]);
956 else
957 3670 part_idx = VP8_SPLITMVMODE_8x8;
958 } else {
959 6615 part_idx = VP8_SPLITMVMODE_4x4;
960 }
961
962 18330 num = vp8_mbsplit_count[part_idx];
963 18330 mbsplits_cur = vp8_mbsplits[part_idx],
964 18330 firstidx = vp8_mbfirstidx[part_idx];
965 18330 mb->partitioning = part_idx;
966
967
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 154940 for (n = 0; n < num; n++) {
968 136610 int k = firstidx[n];
969 uint32_t left, above;
970 const uint8_t *submv_prob;
971
972
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 136610 if (!(k & 3))
973 46755 left = AV_RN32A(&left_mv[mbsplits_left[k + 3]]);
974 else
975 89855 left = AV_RN32A(&cur_mv[mbsplits_cur[k - 1]]);
976
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 136610 if (k <= 3)
977 44980 above = AV_RN32A(&top_mv[mbsplits_top[k + 12]]);
978 else
979 91630 above = AV_RN32A(&cur_mv[mbsplits_cur[k - 4]]);
980
981 136610 submv_prob = get_submv_prob(left, above, is_vp7);
982
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 136610 if (vpx_rac_get_prob_branchy(c, submv_prob[0])) {
984
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 50617 if (vpx_rac_get_prob_branchy(c, submv_prob[1])) {
985
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 31746 if (vpx_rac_get_prob_branchy(c, submv_prob[2])) {
986 56516 mb->bmv[n].y = mb->mv.y +
987 28258 read_mv_component(c, s->prob->mvc[0], is_vp7);
988 28258 mb->bmv[n].x = mb->mv.x +
989 28258 read_mv_component(c, s->prob->mvc[1], is_vp7);
990 } else {
991 3488 AV_ZERO32(&mb->bmv[n]);
992 }
993 } else {
994 18871 AV_WN32A(&mb->bmv[n], above);
995 }
996 } else {
997 85993 AV_WN32A(&mb->bmv[n], left);
998 }
999 }
1000
1001 18330 return num;
1002 }
1003
1004 /**
1005 * The vp7 reference decoder uses a padding macroblock column (added to right
1006 * edge of the frame) to guard against illegal macroblock offsets. The
1007 * algorithm has bugs that permit offsets to straddle the padding column.
1008 * This function replicates those bugs.
1009 *
1010 * @param[out] edge_x macroblock x address
1011 * @param[out] edge_y macroblock y address
1012 *
1013 * @return macroblock offset legal (boolean)
1014 */
1015 79200 static int vp7_calculate_mb_offset(int mb_x, int mb_y, int mb_width,
1016 int xoffset, int yoffset, int boundary,
1017 int *edge_x, int *edge_y)
1018 {
1019 79200 int vwidth = mb_width + 1;
1020 79200 int new = (mb_y + yoffset) * vwidth + mb_x + xoffset;
1021
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 79200 if (new < boundary || new % vwidth == vwidth - 1)
1022 12270 return 0;
1023 66930 *edge_y = new / vwidth;
1024 66930 *edge_x = new % vwidth;
1025 66930 return 1;
1026 }
1027
1028 66930 static const VP8mv *get_bmv_ptr(const VP8Macroblock *mb, int subblock)
1029 {
1030
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 66930 return &mb->bmv[mb->mode == VP8_MVMODE_SPLIT ? vp8_mbsplits[mb->partitioning][subblock] : 0];
1031 }
1032
1033 static av_always_inline
1034 6600 void vp7_decode_mvs(VP8Context *s, VP8Macroblock *mb,
1035 int mb_x, int mb_y, int layout)
1036 {
1037 enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR };
1038 enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
1039 6600 int idx = CNT_ZERO;
1040 VP8mv near_mv[3];
1041 6600 uint8_t cnt[3] = { 0 };
1042 6600 VPXRangeCoder *c = &s->c;
1043 int i;
1044
1045 6600 AV_ZERO32(&near_mv[0]);
1046 6600 AV_ZERO32(&near_mv[1]);
1047 6600 AV_ZERO32(&near_mv[2]);
1048
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 85800 for (i = 0; i < VP7_MV_PRED_COUNT; i++) {
1050 79200 const VP7MVPred * pred = &vp7_mv_pred[i];
1051 int edge_x, edge_y;
1052
1053
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 79200 if (vp7_calculate_mb_offset(mb_x, mb_y, s->mb_width, pred->xoffset,
1054 79200 pred->yoffset, !s->profile, &edge_x, &edge_y)) {
1055
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 66930 const VP8Macroblock *edge = (s->mb_layout == 1)
1056 66930 ? s->macroblocks_base + 1 + edge_x +
1057 66930 (s->mb_width + 1) * (edge_y + 1)
1058 ✗ : s->macroblocks + edge_x +
1059 ✗ (s->mb_height - edge_y - 1) * 2;
1060 66930 uint32_t mv = AV_RN32A(get_bmv_ptr(edge, vp7_mv_pred[i].subblock));
1061
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 66930 if (mv) {
1062 ✗ if (AV_RN32A(&near_mv[CNT_NEAREST])) {
1063 ✗ if (mv == AV_RN32A(&near_mv[CNT_NEAREST])) {
1064 ✗ idx = CNT_NEAREST;
1065 ✗ } else if (AV_RN32A(&near_mv[CNT_NEAR])) {
1066 ✗ if (mv != AV_RN32A(&near_mv[CNT_NEAR]))
1067 ✗ continue;
1068 ✗ idx = CNT_NEAR;
1069 } else {
1070 ✗ AV_WN32A(&near_mv[CNT_NEAR], mv);
1071 ✗ idx = CNT_NEAR;
1072 }
1073 } else {
1074 ✗ AV_WN32A(&near_mv[CNT_NEAREST], mv);
1075 ✗ idx = CNT_NEAREST;
1076 }
1077 } else {
1078 66930 idx = CNT_ZERO;
1079 }
1080 } else {
1081 12270 idx = CNT_ZERO;
1082 }
1083 79200 cnt[idx] += vp7_mv_pred[i].score;
1084 }
1085
1086 6600 mb->partitioning = VP8_SPLITMVMODE_NONE;
1087
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 6600 if (vpx_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_ZERO]][0])) {
1089 ✗ mb->mode = VP8_MVMODE_MV;
1090
1091 ✗ if (vpx_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAREST]][1])) {
1092
1093 ✗ if (vpx_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAR]][2])) {
1094
1095 ✗ if (cnt[CNT_NEAREST] > cnt[CNT_NEAR])
1096 ✗ AV_WN32A(&mb->mv, cnt[CNT_ZERO] > cnt[CNT_NEAREST] ? 0 : AV_RN32A(&near_mv[CNT_NEAREST]));
1097 else
1098 ✗ AV_WN32A(&mb->mv, cnt[CNT_ZERO] > cnt[CNT_NEAR] ? 0 : AV_RN32A(&near_mv[CNT_NEAR]));
1099
1100 ✗ if (vpx_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAR]][3])) {
1101 ✗ mb->mode = VP8_MVMODE_SPLIT;
1102 ✗ mb->mv = mb->bmv[decode_splitmvs(s, c, mb, layout, IS_VP7) - 1];
1103 } else {
1104 ✗ mb->mv.y += vp7_read_mv_component(c, s->prob->mvc[0]);
1105 ✗ mb->mv.x += vp7_read_mv_component(c, s->prob->mvc[1]);
1106 ✗ mb->bmv[0] = mb->mv;
1107 }
1108 } else {
1109 ✗ mb->mv = near_mv[CNT_NEAR];
1110 ✗ mb->bmv[0] = mb->mv;
1111 }
1112 } else {
1113 ✗ mb->mv = near_mv[CNT_NEAREST];
1114 ✗ mb->bmv[0] = mb->mv;
1115 }
1116 } else {
1117 6600 mb->mode = VP8_MVMODE_ZERO;
1118 6600 AV_ZERO32(&mb->mv);
1119 6600 mb->bmv[0] = mb->mv;
1120 }
1121 6600 }
1122
1123 static av_always_inline
1124 380250 void vp8_decode_mvs(VP8Context *s, const VP8mvbounds *mv_bounds, VP8Macroblock *mb,
1125 int mb_x, int mb_y, int layout)
1126 {
1127 380250 VP8Macroblock *mb_edge[3] = { 0 /* top */,
1128 380250 mb - 1 /* left */,
1129 0 /* top-left */ };
1130 enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR, CNT_SPLITMV };
1131 enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
1132 380250 int idx = CNT_ZERO;
1133 380250 int cur_sign_bias = s->sign_bias[mb->ref_frame];
1134 380250 const int8_t *sign_bias = s->sign_bias;
1135 VP8mv near_mv[4];
1136 380250 uint8_t cnt[4] = { 0 };
1137 380250 VPXRangeCoder *c = &s->c;
1138
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 380250 if (!layout) { // layout is inlined (s->mb_layout is not)
1140 380250 mb_edge[0] = mb + 2;
1141 380250 mb_edge[2] = mb + 1;
1142 } else {
1143 ✗ mb_edge[0] = mb - s->mb_width - 1;
1144 ✗ mb_edge[2] = mb - s->mb_width - 2;
1145 }
1146
1147 380250 AV_ZERO32(&near_mv[0]);
1148 380250 AV_ZERO32(&near_mv[1]);
1149 380250 AV_ZERO32(&near_mv[2]);
1150
1151 /* Process MB on top, left and top-left */
1152 #define MV_EDGE_CHECK(n) \
1153 { \
1154 const VP8Macroblock *edge = mb_edge[n]; \
1155 int edge_ref = edge->ref_frame; \
1156 if (edge_ref != VP8_FRAME_CURRENT) { \
1157 uint32_t mv = AV_RN32A(&edge->mv); \
1158 if (mv) { \
1159 if (cur_sign_bias != sign_bias[edge_ref]) { \
1160 /* SWAR negate of the values in mv. */ \
1161 mv = ~mv; \
1162 mv = ((mv & 0x7fff7fff) + \
1163 0x00010001) ^ (mv & 0x80008000); \
1164 } \
1165 if (!n || mv != AV_RN32A(&near_mv[idx])) \
1166 AV_WN32A(&near_mv[++idx], mv); \
1167 cnt[idx] += 1 + (n != 2); \
1168 } else \
1169 cnt[CNT_ZERO] += 1 + (n != 2); \
1170 } \
1171 }
1172
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 380250 MV_EDGE_CHECK(0)
1174
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 380250 MV_EDGE_CHECK(1)
1175
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 380250 MV_EDGE_CHECK(2)
1176
1177 380250 mb->partitioning = VP8_SPLITMVMODE_NONE;
1178
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 380250 if (vpx_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_ZERO]][0])) {
1179 57182 mb->mode = VP8_MVMODE_MV;
1180
1181 /* If we have three distinct MVs, merge first and last if they're the same */
1182
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 57182 if (cnt[CNT_SPLITMV] &&
1183
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 12759 AV_RN32A(&near_mv[1 + VP8_EDGE_TOP]) == AV_RN32A(&near_mv[1 + VP8_EDGE_TOPLEFT]))
1184 5465 cnt[CNT_NEAREST] += 1;
1185
1186 /* Swap near and nearest if necessary */
1187
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 57182 if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) {
1188 4482 FFSWAP(uint8_t, cnt[CNT_NEAREST], cnt[CNT_NEAR]);
1189 4482 FFSWAP(VP8mv, near_mv[CNT_NEAREST], near_mv[CNT_NEAR]);
1190 }
1191
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 57182 if (vpx_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAREST]][1])) {
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 37615 if (vpx_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAR]][2])) {
1194 /* Choose the best mv out of 0,0 and the nearest mv */
1195 32527 clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_ZERO + (cnt[CNT_NEAREST] >= cnt[CNT_ZERO])]);
1196 32527 cnt[CNT_SPLITMV] = ((mb_edge[VP8_EDGE_LEFT]->mode == VP8_MVMODE_SPLIT) +
1197 32527 (mb_edge[VP8_EDGE_TOP]->mode == VP8_MVMODE_SPLIT)) * 2 +
1198 32527 (mb_edge[VP8_EDGE_TOPLEFT]->mode == VP8_MVMODE_SPLIT);
1199
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 32527 if (vpx_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_SPLITMV]][3])) {
1201 18330 mb->mode = VP8_MVMODE_SPLIT;
1202 18330 mb->mv = mb->bmv[decode_splitmvs(s, c, mb, layout, IS_VP8) - 1];
1203 } else {
1204 14197 mb->mv.y += vp8_read_mv_component(c, s->prob->mvc[0]);
1205 14197 mb->mv.x += vp8_read_mv_component(c, s->prob->mvc[1]);
1206 14197 mb->bmv[0] = mb->mv;
1207 }
1208 } else {
1209 5088 clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_NEAR]);
1210 5088 mb->bmv[0] = mb->mv;
1211 }
1212 } else {
1213 19567 clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_NEAREST]);
1214 19567 mb->bmv[0] = mb->mv;
1215 }
1216 } else {
1217 323068 mb->mode = VP8_MVMODE_ZERO;
1218 323068 AV_ZERO32(&mb->mv);
1219 323068 mb->bmv[0] = mb->mv;
1220 }
1221 380250 }
1222
1223 static av_always_inline
1224 17968 void decode_intra4x4_modes(VP8Context *s, VPXRangeCoder *c, VP8Macroblock *mb,
1225 int mb_x, int keyframe, int layout)
1226 {
1227 17968 uint8_t *intra4x4 = mb->intra4x4_pred_mode_mb;
1228
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 17968 if (layout) {
1230 33 VP8Macroblock *mb_top = mb - s->mb_width - 1;
1231 33 memcpy(mb->intra4x4_pred_mode_top, mb_top->intra4x4_pred_mode_top, 4);
1232 }
1233
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 17968 if (keyframe) {
1234 int x, y;
1235 uint8_t *top;
1236 11054 uint8_t *const left = s->intra4x4_pred_mode_left;
1237
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 11054 if (layout)
1238 33 top = mb->intra4x4_pred_mode_top;
1239 else
1240 11021 top = s->intra4x4_pred_mode_top + 4 * mb_x;
1241
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 55270 for (y = 0; y < 4; y++) {
1242
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 221080 for (x = 0; x < 4; x++) {
1243 const uint8_t *ctx;
1244 176864 ctx = vp8_pred4x4_prob_intra[top[x]][left[y]];
1245 176864 *intra4x4 = vp89_rac_get_tree(c, vp8_pred4x4_tree, ctx);
1246 176864 left[y] = top[x] = *intra4x4;
1247 176864 intra4x4++;
1248 }
1249 }
1250 } else {
1251 int i;
1252
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 117538 for (i = 0; i < 16; i++)
1253 110624 intra4x4[i] = vp89_rac_get_tree(c, vp8_pred4x4_tree,
1254 vp8_pred4x4_prob_inter);
1255 }
1256 17968 }
1257
1258 static av_always_inline
1259 444989 void decode_mb_mode(VP8Context *s, const VP8mvbounds *mv_bounds,
1260 VP8Macroblock *mb, int mb_x, int mb_y,
1261 uint8_t *segment, const uint8_t *ref, int layout, int is_vp7)
1262 {
1263 444989 VPXRangeCoder *c = &s->c;
1264 static const char * const vp7_feature_name[] = { "q-index",
1265 "lf-delta",
1266 "partial-golden-update",
1267 "blit-pitch" };
1268
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 444989 if (is_vp7) {
1269 int i;
1270 6820 *segment = 0;
1271
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 34100 for (i = 0; i < 4; i++) {
1272
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 27280 if (s->feature_enabled[i]) {
1273 ✗ if (vpx_rac_get_prob_branchy(c, s->feature_present_prob[i])) {
1274 ✗ int index = vp89_rac_get_tree(c, vp7_feature_index_tree,
1275 ✗ s->feature_index_prob[i]);
1276 ✗ av_log(s->avctx, AV_LOG_WARNING,
1277 "Feature %s present in macroblock (value 0x%x)\n",
1278 ✗ vp7_feature_name[i], s->feature_value[i][index]);
1279 }
1280 }
1281 }
1282
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 438169 } else if (s->segmentation.update_map) {
1283 8289 int bit = vpx_rac_get_prob(c, s->prob->segmentid[0]);
1284 8289 *segment = vpx_rac_get_prob(c, s->prob->segmentid[1+bit]) + 2*bit;
1285
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 429880 } else if (s->segmentation.enabled)
1286
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 94425 *segment = ref ? *ref : *segment;
1287 444989 mb->segment = *segment;
1288
1289
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 444989 mb->skip = s->mbskip_enabled ? vpx_rac_get_prob(c, s->prob->mbskip) : 0;
1290
1291
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 444989 if (s->keyframe) {
1292 33492 mb->mode = vp89_rac_get_tree(c, vp8_pred16x16_tree_intra,
1293 vp8_pred16x16_prob_intra);
1294
1295
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 33492 if (mb->mode == MODE_I4x4) {
1296 11054 decode_intra4x4_modes(s, c, mb, mb_x, 1, layout);
1297 } else {
1298 22438 const uint32_t modes = (is_vp7 ? vp7_pred4x4_mode
1299
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 22438 : vp8_pred4x4_mode)[mb->mode] * 0x01010101u;
1300
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 22438 if (s->mb_layout)
1301 187 AV_WN32A(mb->intra4x4_pred_mode_top, modes);
1302 else
1303 22251 AV_WN32A(s->intra4x4_pred_mode_top + 4 * mb_x, modes);
1304 22438 AV_WN32A(s->intra4x4_pred_mode_left, modes);
1305 }
1306
1307 33492 mb->chroma_pred_mode = vp89_rac_get_tree(c, vp8_pred8x8c_tree,
1308 vp8_pred8x8c_prob_intra);
1309 33492 mb->ref_frame = VP8_FRAME_CURRENT;
1310
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 411497 } else if (vpx_rac_get_prob_branchy(c, s->prob->intra)) {
1311 // inter MB, 16.2
1312
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 386850 if (vpx_rac_get_prob_branchy(c, s->prob->last))
1313
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 34530 mb->ref_frame =
1314
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 17249 (!is_vp7 && vpx_rac_get_prob(c, s->prob->golden)) ? VP8_FRAME_ALTREF
1315 : VP8_FRAME_GOLDEN;
1316 else
1317 369569 mb->ref_frame = VP8_FRAME_PREVIOUS;
1318 386850 s->ref_count[mb->ref_frame - 1]++;
1319
1320 // motion vectors, 16.3
1321
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 386850 if (is_vp7)
1322 6600 vp7_decode_mvs(s, mb, mb_x, mb_y, layout);
1323 else
1324 380250 vp8_decode_mvs(s, mv_bounds, mb, mb_x, mb_y, layout);
1325 } else {
1326 // intra MB, 16.1
1327 49294 mb->mode = vp89_rac_get_tree(c, vp8_pred16x16_tree_inter,
1328 24647 s->prob->pred16x16);
1329
1330
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 24647 if (mb->mode == MODE_I4x4)
1331 6914 decode_intra4x4_modes(s, c, mb, mb_x, 0, layout);
1332
1333 49294 mb->chroma_pred_mode = vp89_rac_get_tree(c, vp8_pred8x8c_tree,
1334 24647 s->prob->pred8x8c);
1335 24647 mb->ref_frame = VP8_FRAME_CURRENT;
1336 24647 mb->partitioning = VP8_SPLITMVMODE_NONE;
1337 24647 AV_ZERO32(&mb->bmv[0]);
1338 }
1339 444989 }
1340
1341 /**
1342 * @param r arithmetic bitstream reader context
1343 * @param block destination for block coefficients
1344 * @param probs probabilities to use when reading trees from the bitstream
1345 * @param i initial coeff index, 0 unless a separate DC block is coded
1346 * @param qmul array holding the dc/ac dequant factor at position 0/1
1347 *
1348 * @return 0 if no coeffs were decoded
1349 * otherwise, the index of the last coeff decoded plus one
1350 */
1351 static av_always_inline
1352 397593 int decode_block_coeffs_internal(VPXRangeCoder *r, int16_t block[16],
1353 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1354 int i, const uint8_t *token_prob, const int16_t qmul[2],
1355 const uint8_t scan[16], int vp7)
1356 {
1357 397593 VPXRangeCoder c = *r;
1358 397593 goto skip_eob;
1359 do {
1360 int coeff;
1361 1125704 restart:
1362
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 1127823 if (!vpx_rac_get_prob_branchy(&c, token_prob[0])) // DCT_EOB
1363 377051 break;
1364
1365 1597284 skip_eob:
1366
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 1994877 if (!vpx_rac_get_prob_branchy(&c, token_prob[1])) { // DCT_0
1367
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 848631 if (++i == 16)
1368 ✗ break; // invalid input; blocks should end with EOB
1369 848631 token_prob = probs[i][0];
1370
2/2
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 848631 if (vp7)
1371 2119 goto restart;
1372 846512 goto skip_eob;
1373 }
1374
1375
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 1146246 if (!vpx_rac_get_prob_branchy(&c, token_prob[2])) { // DCT_1
1376 726759 coeff = 1;
1377 726759 token_prob = probs[i + 1][1];
1378 } else {
1379
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 419487 if (!vpx_rac_get_prob_branchy(&c, token_prob[3])) { // DCT 2,3,4
1380 279969 coeff = vpx_rac_get_prob_branchy(&c, token_prob[4]);
1381
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 279969 if (coeff)
1382 116465 coeff += vpx_rac_get_prob(&c, token_prob[5]);
1383 279969 coeff += 2;
1384 } else {
1385 // DCT_CAT*
1386
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 139518 if (!vpx_rac_get_prob_branchy(&c, token_prob[6])) {
1387
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 88351 if (!vpx_rac_get_prob_branchy(&c, token_prob[7])) { // DCT_CAT1
1388 47345 coeff = 5 + vpx_rac_get_prob(&c, vp8_dct_cat1_prob[0]);
1389 } else { // DCT_CAT2
1390 41006 coeff = 7;
1391 41006 coeff += vpx_rac_get_prob(&c, vp8_dct_cat2_prob[0]) << 1;
1392 41006 coeff += vpx_rac_get_prob(&c, vp8_dct_cat2_prob[1]);
1393 }
1394 } else { // DCT_CAT3 and up
1395 51167 int a = vpx_rac_get_prob(&c, token_prob[8]);
1396 51167 int b = vpx_rac_get_prob(&c, token_prob[9 + a]);
1397 51167 int cat = (a << 1) + b;
1398 51167 coeff = 3 + (8 << cat);
1399 51167 coeff += vp8_rac_get_coeff(&c, ff_vp8_dct_cat_prob[cat]);
1400 }
1401 }
1402 419487 token_prob = probs[i + 1][2];
1403 }
1404
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 1146246 block[scan[i]] = (vp89_rac_get(&c) ? -coeff : coeff) * qmul[!!i];
1405
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 1146246 } while (++i < 16);
1406
1407 397593 *r = c;
1408 397593 return i;
1409 }
1410
1411 static av_always_inline
1412 6600 int inter_predict_dc(int16_t block[16], int16_t pred[2])
1413 {
1414 6600 int16_t dc = block[0];
1415 6600 int ret = 0;
1416
1417
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 6600 if (pred[1] > 3) {
1418 ✗ dc += pred[0];
1419 ✗ ret = 1;
1420 }
1421
1422
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 6600 if (!pred[0] | !dc | ((int32_t)pred[0] ^ (int32_t)dc) >> 31) {
1423 6600 block[0] = pred[0] = dc;
1424 6600 pred[1] = 0;
1425 } else {
1426 ✗ if (pred[0] == dc)
1427 ✗ pred[1]++;
1428 ✗ block[0] = pred[0] = dc;
1429 }
1430
1431 6600 return ret;
1432 }
1433
1434 735 static int vp7_decode_block_coeffs_internal(VPXRangeCoder *r,
1435 int16_t block[16],
1436 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1437 int i, const uint8_t *token_prob,
1438 const int16_t qmul[2],
1439 const uint8_t scan[16])
1440 {
1441 735 return decode_block_coeffs_internal(r, block, probs, i,
1442 token_prob, qmul, scan, IS_VP7);
1443 }
1444
1445 #ifndef vp8_decode_block_coeffs_internal
1446 396858 static int vp8_decode_block_coeffs_internal(VPXRangeCoder *r,
1447 int16_t block[16],
1448 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1449 int i, const uint8_t *token_prob,
1450 const int16_t qmul[2])
1451 {
1452 396858 return decode_block_coeffs_internal(r, block, probs, i,
1453 token_prob, qmul, ff_zigzag_scan, IS_VP8);
1454 }
1455 #endif
1456
1457 /**
1458 * @param c arithmetic bitstream reader context
1459 * @param block destination for block coefficients
1460 * @param probs probabilities to use when reading trees from the bitstream
1461 * @param i initial coeff index, 0 unless a separate DC block is coded
1462 * @param zero_nhood the initial prediction context for number of surrounding
1463 * all-zero blocks (only left/top, so 0-2)
1464 * @param qmul array holding the dc/ac dequant factor at position 0/1
1465 * @param scan scan pattern (VP7 only)
1466 *
1467 * @return 0 if no coeffs were decoded
1468 * otherwise, the index of the last coeff decoded plus one
1469 */
1470 static av_always_inline
1471 2081398 int decode_block_coeffs(VPXRangeCoder *c, int16_t block[16],
1472 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1473 int i, int zero_nhood, const int16_t qmul[2],
1474 const uint8_t scan[16], int vp7)
1475 {
1476 2081398 const uint8_t *token_prob = probs[i][zero_nhood];
1477
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 2081398 if (!vpx_rac_get_prob_branchy(c, token_prob[0])) // DCT_EOB
1478 1683805 return 0;
1479 735 return vp7 ? vp7_decode_block_coeffs_internal(c, block, probs, i,
1480 token_prob, qmul, scan)
1481
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 398328 : vp8_decode_block_coeffs_internal(c, block, probs, i,
1482 token_prob, qmul);
1483 }
1484
1485 static av_always_inline
1486 84558 void decode_mb_coeffs(VP8Context *s, VP8ThreadData *td, VPXRangeCoder *c,
1487 VP8Macroblock *mb, uint8_t t_nnz[9], uint8_t l_nnz[9],
1488 int is_vp7)
1489 {
1490 84558 int i, x, y, luma_start = 0, luma_ctx = 3;
1491 84558 int nnz_pred, nnz, nnz_total = 0;
1492 84558 int segment = mb->segment;
1493 84558 int block_dc = 0;
1494
1495
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 84558 if (mb->mode != MODE_I4x4 && (is_vp7 || mb->mode != VP8_MVMODE_SPLIT)) {
1496 52006 nnz_pred = t_nnz[8] + l_nnz[8];
1497
1498 // decode DC values and do hadamard
1499 52006 nnz = decode_block_coeffs(c, td->block_dc, s->prob->token[1], 0,
1500 52006 nnz_pred, s->qmat[segment].luma_dc_qmul,
1501 ff_zigzag_scan, is_vp7);
1502 52006 l_nnz[8] = t_nnz[8] = !!nnz;
1503
1504
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 52006 if (is_vp7 && mb->mode > MODE_I4x4) {
1505 6600 nnz |= inter_predict_dc(td->block_dc,
1506 6600 s->inter_dc_pred[mb->ref_frame - 1]);
1507 }
1508
1509
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 52006 if (nnz) {
1510 35439 nnz_total += nnz;
1511 35439 block_dc = 1;
1512
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 35439 if (nnz == 1)
1513 10514 s->vp8dsp.vp8_luma_dc_wht_dc(td->block, td->block_dc);
1514 else
1515 24925 s->vp8dsp.vp8_luma_dc_wht(td->block, td->block_dc);
1516 }
1517 52006 luma_start = 1;
1518 52006 luma_ctx = 0;
1519 }
1520
1521 // luma blocks
1522
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 422790 for (y = 0; y < 4; y++)
1523
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 1691160 for (x = 0; x < 4; x++) {
1524 1352928 nnz_pred = l_nnz[y] + t_nnz[x];
1525 1352928 nnz = decode_block_coeffs(c, td->block[y][x],
1526 1352928 s->prob->token[luma_ctx],
1527 luma_start, nnz_pred,
1528 1352928 s->qmat[segment].luma_qmul,
1529 1352928 s->prob[0].scan, is_vp7);
1530 /* nnz+block_dc may be one more than the actual last index,
1531 * but we don't care */
1532 1352928 td->non_zero_count_cache[y][x] = nnz + block_dc;
1533 1352928 t_nnz[x] = l_nnz[y] = !!nnz;
1534 1352928 nnz_total += nnz;
1535 }
1536
1537 // chroma blocks
1538 // TODO: what to do about dimensions? 2nd dim for luma is x,
1539 // but for chroma it's (y<<1)|x
1540
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 253674 for (i = 4; i < 6; i++)
1541
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 507348 for (y = 0; y < 2; y++)
1542
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 1014696 for (x = 0; x < 2; x++) {
1543 676464 nnz_pred = l_nnz[i + 2 * y] + t_nnz[i + 2 * x];
1544 676464 nnz = decode_block_coeffs(c, td->block[i][(y << 1) + x],
1545 676464 s->prob->token[2], 0, nnz_pred,
1546 676464 s->qmat[segment].chroma_qmul,
1547 676464 s->prob[0].scan, is_vp7);
1548 676464 td->non_zero_count_cache[i][(y << 1) + x] = nnz;
1549 676464 t_nnz[i + 2 * x] = l_nnz[i + 2 * y] = !!nnz;
1550 676464 nnz_total += nnz;
1551 }
1552
1553 // if there were no coded coeffs despite the macroblock not being marked skip,
1554 // we MUST not do the inner loop filter and should not do IDCT
1555 // Since skip isn't used for bitstream prediction, just manually set it.
1556
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 84558 if (!nnz_total)
1557 6676 mb->skip = 1;
1558 84558 }
1559
1560 static av_always_inline
1561 425389 void backup_mb_border(uint8_t *top_border, const uint8_t *src_y,
1562 const uint8_t *src_cb, const uint8_t *src_cr,
1563 ptrdiff_t linesize, ptrdiff_t uvlinesize, int simple)
1564 {
1565 425389 AV_COPY128(top_border, src_y + 15 * linesize);
1566
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 425389 if (!simple) {
1567 417667 AV_COPY64(top_border + 16, src_cb + 7 * uvlinesize);
1568 417667 AV_COPY64(top_border + 24, src_cr + 7 * uvlinesize);
1569 }
1570 425389 }
1571
1572 static av_always_inline
1573 84390 void xchg_mb_border(uint8_t *top_border, uint8_t *src_y, uint8_t *src_cb,
1574 uint8_t *src_cr, ptrdiff_t linesize, ptrdiff_t uvlinesize, int mb_x,
1575 int mb_y, int mb_width, int simple, int xchg)
1576 {
1577 84390 uint8_t *top_border_m1 = top_border - 32; // for TL prediction
1578 84390 src_y -= linesize;
1579 84390 src_cb -= uvlinesize;
1580 84390 src_cr -= uvlinesize;
1581
1582 #define XCHG(a, b, xchg) \
1583 do { \
1584 if (xchg) \
1585 AV_SWAP64(b, a); \
1586 else \
1587 AV_COPY64(b, a); \
1588 } while (0)
1589
1590
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 84390 XCHG(top_border_m1 + 8, src_y - 8, xchg);
1591
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 84390 XCHG(top_border, src_y, xchg);
1592 84390 XCHG(top_border + 8, src_y + 8, 1);
1593
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 84390 if (mb_x < mb_width - 1)
1594 80942 XCHG(top_border + 32, src_y + 16, 1);
1595
1596 // only copy chroma for normal loop filter
1597 // or to initialize the top row to 127
1598
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 84390 if (!simple || !mb_y) {
1599
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 81308 XCHG(top_border_m1 + 16, src_cb - 8, xchg);
1600
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 81308 XCHG(top_border_m1 + 24, src_cr - 8, xchg);
1601 81308 XCHG(top_border + 16, src_cb, 1);
1602 81308 XCHG(top_border + 24, src_cr, 1);
1603 }
1604 84390 }
1605
1606 static av_always_inline
1607 73882 int check_dc_pred8x8_mode(int mode, int mb_x, int mb_y)
1608 {
1609
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 73882 if (!mb_x)
1610
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 3118 return mb_y ? TOP_DC_PRED8x8 : DC_128_PRED8x8;
1611 else
1612
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 70764 return mb_y ? mode : LEFT_DC_PRED8x8;
1613 }
1614
1615 static av_always_inline
1616 1826 int check_tm_pred8x8_mode(int mode, int mb_x, int mb_y, int vp7)
1617 {
1618
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 1826 if (!mb_x)
1619
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 1 return mb_y ? VERT_PRED8x8 : (vp7 ? DC_128_PRED8x8 : DC_129_PRED8x8);
1620 else
1621
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 1825 return mb_y ? mode : HOR_PRED8x8;
1622 }
1623
1624 static av_always_inline
1625 98310 int check_intra_pred8x8_mode_emuedge(int mode, int mb_x, int mb_y, int vp7)
1626 {
1627
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 98310 switch (mode) {
1628 73882 case DC_PRED8x8:
1629 73882 return check_dc_pred8x8_mode(mode, mb_x, mb_y);
1630 5815 case VERT_PRED8x8:
1631
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 5815 return !mb_y ? (vp7 ? DC_128_PRED8x8 : DC_127_PRED8x8) : mode;
1632 16787 case HOR_PRED8x8:
1633
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 16787 return !mb_x ? (vp7 ? DC_128_PRED8x8 : DC_129_PRED8x8) : mode;
1634 1826 case PLANE_PRED8x8: /* TM */
1635 1826 return check_tm_pred8x8_mode(mode, mb_x, mb_y, vp7);
1636 }
1637 ✗ return mode;
1638 }
1639
1640 static av_always_inline
1641 51007 int check_tm_pred4x4_mode(int mode, int mb_x, int mb_y, int vp7)
1642 {
1643
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 51007 if (!mb_x) {
1644
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 1362 return mb_y ? VERT_VP8_PRED : (vp7 ? DC_128_PRED : DC_129_PRED);
1645 } else {
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 49645 return mb_y ? mode : HOR_VP8_PRED;
1647 }
1648 }
1649
1650 static av_always_inline
1651 287488 int check_intra_pred4x4_mode_emuedge(int mode, int mb_x, int mb_y,
1652 int *copy_buf, int vp7)
1653 {
1654
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 287488 switch (mode) {
1655 13788 case VERT_PRED:
1656
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 13788 if (!mb_x && mb_y) {
1657 95 *copy_buf = 1;
1658 95 return mode;
1659 }
1660 /* fall-through */
1661 case DIAG_DOWN_LEFT_PRED:
1662 case VERT_LEFT_PRED:
1663
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 35390 return !mb_y ? (vp7 ? DC_128_PRED : DC_127_PRED) : mode;
1664 19736 case HOR_PRED:
1665
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 19736 if (!mb_y) {
1666 128 *copy_buf = 1;
1667 128 return mode;
1668 }
1669 /* fall-through */
1670 case HOR_UP_PRED:
1671
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 32030 return !mb_x ? (vp7 ? DC_128_PRED : DC_129_PRED) : mode;
1672 51007 case TM_VP8_PRED:
1673 51007 return check_tm_pred4x4_mode(mode, mb_x, mb_y, vp7);
1674 168838 case DC_PRED: /* 4x4 DC doesn't use the same "H.264-style" exceptions
1675 * as 16x16/8x8 DC */
1676 case DIAG_DOWN_RIGHT_PRED:
1677 case VERT_RIGHT_PRED:
1678 case HOR_DOWN_PRED:
1679
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 168838 if (!mb_y || !mb_x)
1680 1140 *copy_buf = 1;
1681 168838 return mode;
1682 }
1683 ✗ return mode;
1684 }
1685
1686 static av_always_inline
1687 58139 void intra_predict(VP8Context *s, VP8ThreadData *td, uint8_t *const dst[3],
1688 VP8Macroblock *mb, int mb_x, int mb_y, int is_vp7)
1689 {
1690 int x, y, mode, nnz;
1691 uint32_t tr;
1692
1693 /* for the first row, we need to run xchg_mb_border to init the top edge
1694 * to 127 otherwise, skip it if we aren't going to deblock */
1695
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 58139 if (mb_y && (s->deblock_filter || !mb_y) && td->thread_nr == 0)
1696 42195 xchg_mb_border(s->top_border[mb_x + 1], dst[0], dst[1], dst[2],
1697 42195 s->linesize, s->uvlinesize, mb_x, mb_y, s->mb_width,
1698 42195 s->filter.simple, 1);
1699
1700
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 58139 if (mb->mode < MODE_I4x4) {
1701 40171 mode = check_intra_pred8x8_mode_emuedge(mb->mode, mb_x, mb_y, is_vp7);
1702 40171 s->hpc.pred16x16[mode](dst[0], s->linesize);
1703 } else {
1704 17968 uint8_t *ptr = dst[0];
1705 17968 const uint8_t *intra4x4 = mb->intra4x4_pred_mode_mb;
1706
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 17968 const uint8_t lo = is_vp7 ? 128 : 127;
1707
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 17968 const uint8_t hi = is_vp7 ? 128 : 129;
1708 17968 const uint8_t tr_top[4] = { lo, lo, lo, lo };
1709
1710 // all blocks on the right edge of the macroblock use bottom edge
1711 // the top macroblock for their topright edge
1712 17968 const uint8_t *tr_right = ptr - s->linesize + 16;
1713
1714 // if we're on the right edge of the frame, said edge is extended
1715 // from the top macroblock
1716
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 17968 if (mb_y && mb_x == s->mb_width - 1) {
1717 638 tr = tr_right[-1] * 0x01010101u;
1718 638 tr_right = (uint8_t *) &tr;
1719 }
1720
1721
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 17968 if (mb->skip)
1722 480 AV_ZERO128(td->non_zero_count_cache);
1723
1724
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 89840 for (y = 0; y < 4; y++) {
1725 71872 const uint8_t *topright = ptr + 4 - s->linesize;
1726
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 359360 for (x = 0; x < 4; x++) {
1727 287488 int copy = 0;
1728 287488 ptrdiff_t linesize = s->linesize;
1729 287488 uint8_t *dst = ptr + 4 * x;
1730 287488 LOCAL_ALIGNED(4, uint8_t, copy_dst, [5 * 8]);
1731
1732
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 287488 if ((y == 0 || x == 3) && mb_y == 0) {
1733 4417 topright = tr_top;
1734
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 283071 } else if (x == 3)
1735 69348 topright = tr_right;
1736
1737 287488 mode = check_intra_pred4x4_mode_emuedge(intra4x4[x], mb_x + x,
1738 mb_y + y, &copy, is_vp7);
1739
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 287488 if (copy) {
1740 1363 dst = copy_dst + 12;
1741 1363 linesize = 8;
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 1363 if (!(mb_y + y)) {
1743 702 copy_dst[3] = lo;
1744 702 AV_WN32A(copy_dst + 4, lo * 0x01010101U);
1745 } else {
1746 661 AV_COPY32(copy_dst + 4, ptr + 4 * x - s->linesize);
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 661 if (!(mb_x + x)) {
1748 661 copy_dst[3] = hi;
1749 } else {
1750 ✗ copy_dst[3] = ptr[4 * x - s->linesize - 1];
1751 }
1752 }
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 1363 if (!(mb_x + x)) {
1754 702 copy_dst[11] =
1755 702 copy_dst[19] =
1756 702 copy_dst[27] =
1757 702 copy_dst[35] = hi;
1758 } else {
1759 661 copy_dst[11] = ptr[4 * x - 1];
1760 661 copy_dst[19] = ptr[4 * x + s->linesize - 1];
1761 661 copy_dst[27] = ptr[4 * x + s->linesize * 2 - 1];
1762 661 copy_dst[35] = ptr[4 * x + s->linesize * 3 - 1];
1763 }
1764 }
1765 287488 s->hpc.pred4x4[mode](dst, topright, linesize);
1766
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 287488 if (copy) {
1767 1363 AV_COPY32(ptr + 4 * x, copy_dst + 12);
1768 1363 AV_COPY32(ptr + 4 * x + s->linesize, copy_dst + 20);
1769 1363 AV_COPY32(ptr + 4 * x + s->linesize * 2, copy_dst + 28);
1770 1363 AV_COPY32(ptr + 4 * x + s->linesize * 3, copy_dst + 36);
1771 }
1772
1773 287488 nnz = td->non_zero_count_cache[y][x];
1774
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 287488 if (nnz) {
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 124762 if (nnz == 1)
1776 35500 s->vp8dsp.vp8_idct_dc_add(ptr + 4 * x,
1777 35500 td->block[y][x], s->linesize);
1778 else
1779 89262 s->vp8dsp.vp8_idct_add(ptr + 4 * x,
1780 89262 td->block[y][x], s->linesize);
1781 }
1782 287488 topright += 4;
1783 }
1784
1785 71872 ptr += 4 * s->linesize;
1786 71872 intra4x4 += 4;
1787 }
1788 }
1789
1790 58139 mode = check_intra_pred8x8_mode_emuedge(mb->chroma_pred_mode,
1791 mb_x, mb_y, is_vp7);
1792 58139 s->hpc.pred8x8[mode](dst[1], s->uvlinesize);
1793 58139 s->hpc.pred8x8[mode](dst[2], s->uvlinesize);
1794
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 58139 if (mb_y && (s->deblock_filter || !mb_y) && td->thread_nr == 0)
1796 42195 xchg_mb_border(s->top_border[mb_x + 1], dst[0], dst[1], dst[2],
1797 42195 s->linesize, s->uvlinesize, mb_x, mb_y, s->mb_width,
1798 42195 s->filter.simple, 0);
1799 58139 }
1800
1801 static const uint8_t subpel_idx[3][8] = {
1802 { 0, 1, 2, 1, 2, 1, 2, 1 }, // nr. of left extra pixels,
1803 // also function pointer index
1804 { 0, 3, 5, 3, 5, 3, 5, 3 }, // nr. of extra pixels required
1805 { 0, 2, 3, 2, 3, 2, 3, 2 }, // nr. of right extra pixels
1806 };
1807
1808 /**
1809 * luma MC function
1810 *
1811 * @param s VP8 decoding context
1812 * @param dst target buffer for block data at block position
1813 * @param ref reference picture buffer at origin (0, 0)
1814 * @param mv motion vector (relative to block position) to get pixel data from
1815 * @param x_off horizontal position of block from origin (0, 0)
1816 * @param y_off vertical position of block from origin (0, 0)
1817 * @param block_w width of block (16, 8 or 4)
1818 * @param block_h height of block (always same as block_w)
1819 * @param width width of src/dst plane data
1820 * @param height height of src/dst plane data
1821 * @param linesize size of a single line of plane data, including padding
1822 * @param mc_func motion compensation function pointers (bilinear or sixtap MC)
1823 */
1824 static av_always_inline
1825 505130 void vp8_mc_luma(VP8Context *s, VP8ThreadData *td, uint8_t *dst,
1826 const ProgressFrame *ref, const VP8mv *mv,
1827 int x_off, int y_off, int block_w, int block_h,
1828 int width, int height, ptrdiff_t linesize,
1829 vp8_mc_func mc_func[3][3])
1830 {
1831 505130 const uint8_t *src = ref->f->data[0];
1832
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 505130 if (AV_RN32A(mv)) {
1834 124899 ptrdiff_t src_linesize = linesize;
1835
1836 124899 int mx = (mv->x * 2) & 7, mx_idx = subpel_idx[0][mx];
1837 124899 int my = (mv->y * 2) & 7, my_idx = subpel_idx[0][my];
1838
1839 124899 x_off += mv->x >> 2;
1840 124899 y_off += mv->y >> 2;
1841
1842 // edge emulation
1843 124899 ff_progress_frame_await(ref, (3 + y_off + block_h + subpel_idx[2][my]) >> 4);
1844 124899 src += y_off * linesize + x_off;
1845
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 124899 if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
1846
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 118706 y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
1847 9236 s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
1848 9236 src - my_idx * linesize - mx_idx,
1849 EDGE_EMU_LINESIZE, linesize,
1850 9236 block_w + subpel_idx[1][mx],
1851 9236 block_h + subpel_idx[1][my],
1852 x_off - mx_idx, y_off - my_idx,
1853 width, height);
1854 9236 src = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
1855 9236 src_linesize = EDGE_EMU_LINESIZE;
1856 }
1857 124899 mc_func[my_idx][mx_idx](dst, linesize, src, src_linesize, block_h, mx, my);
1858 } else {
1859 380231 ff_progress_frame_await(ref, (3 + y_off + block_h) >> 4);
1860 380231 mc_func[0][0](dst, linesize, src + y_off * linesize + x_off,
1861 linesize, block_h, 0, 0);
1862 }
1863 505130 }
1864
1865 /**
1866 * chroma MC function
1867 *
1868 * @param s VP8 decoding context
1869 * @param dst1 target buffer for block data at block position (U plane)
1870 * @param dst2 target buffer for block data at block position (V plane)
1871 * @param ref reference picture buffer at origin (0, 0)
1872 * @param mv motion vector (relative to block position) to get pixel data from
1873 * @param x_off horizontal position of block from origin (0, 0)
1874 * @param y_off vertical position of block from origin (0, 0)
1875 * @param block_w width of block (16, 8 or 4)
1876 * @param block_h height of block (always same as block_w)
1877 * @param width width of src/dst plane data
1878 * @param height height of src/dst plane data
1879 * @param linesize size of a single line of plane data, including padding
1880 * @param mc_func motion compensation function pointers (bilinear or sixtap MC)
1881 */
1882 static av_always_inline
1883 425750 void vp8_mc_chroma(VP8Context *s, VP8ThreadData *td, uint8_t *dst1,
1884 uint8_t *dst2, const ProgressFrame *ref, const VP8mv *mv,
1885 int x_off, int y_off, int block_w, int block_h,
1886 int width, int height, ptrdiff_t linesize,
1887 vp8_mc_func mc_func[3][3])
1888 {
1889 425750 const uint8_t *src1 = ref->f->data[1], *src2 = ref->f->data[2];
1890
1891
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 425750 if (AV_RN32A(mv)) {
1892 79190 int mx = mv->x & 7, mx_idx = subpel_idx[0][mx];
1893 79190 int my = mv->y & 7, my_idx = subpel_idx[0][my];
1894
1895 79190 x_off += mv->x >> 3;
1896 79190 y_off += mv->y >> 3;
1897
1898 // edge emulation
1899 79190 src1 += y_off * linesize + x_off;
1900 79190 src2 += y_off * linesize + x_off;
1901 79190 ff_progress_frame_await(ref, (3 + y_off + block_h + subpel_idx[2][my]) >> 3);
1902
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 79190 if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
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 73050 y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
1904 9157 s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
1905 9157 src1 - my_idx * linesize - mx_idx,
1906 EDGE_EMU_LINESIZE, linesize,
1907 9157 block_w + subpel_idx[1][mx],
1908 9157 block_h + subpel_idx[1][my],
1909 x_off - mx_idx, y_off - my_idx, width, height);
1910 9157 src1 = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
1911 9157 mc_func[my_idx][mx_idx](dst1, linesize, src1, EDGE_EMU_LINESIZE, block_h, mx, my);
1912
1913 9157 s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
1914 9157 src2 - my_idx * linesize - mx_idx,
1915 EDGE_EMU_LINESIZE, linesize,
1916 9157 block_w + subpel_idx[1][mx],
1917 9157 block_h + subpel_idx[1][my],
1918 x_off - mx_idx, y_off - my_idx, width, height);
1919 9157 src2 = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
1920 9157 mc_func[my_idx][mx_idx](dst2, linesize, src2, EDGE_EMU_LINESIZE, block_h, mx, my);
1921 } else {
1922 70033 mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my);
1923 70033 mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my);
1924 }
1925 } else {
1926 346560 ff_progress_frame_await(ref, (3 + y_off + block_h) >> 3);
1927 346560 mc_func[0][0](dst1, linesize, src1 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1928 346560 mc_func[0][0](dst2, linesize, src2 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1929 }
1930 425750 }
1931
1932 static av_always_inline
1933 399290 void vp8_mc_part(VP8Context *s, VP8ThreadData *td, uint8_t *const dst[3],
1934 const ProgressFrame *ref_frame, int x_off, int y_off,
1935 int bx_off, int by_off, int block_w, int block_h,
1936 int width, int height, const VP8mv *mv)
1937 {
1938 399290 VP8mv uvmv = *mv;
1939
1940 /* Y */
1941 399290 vp8_mc_luma(s, td, dst[0] + by_off * s->linesize + bx_off,
1942 ref_frame, mv, x_off + bx_off, y_off + by_off,
1943 block_w, block_h, width, height, s->linesize,
1944 399290 s->put_pixels_tab[block_w == 8]);
1945
1946 /* U/V */
1947
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 399290 if (s->profile == 3) {
1948 /* this block only applies VP8; it is safe to check
1949 * only the profile, as VP7 profile <= 1 */
1950 4775 uvmv.x &= ~7;
1951 4775 uvmv.y &= ~7;
1952 }
1953 399290 x_off >>= 1;
1954 399290 y_off >>= 1;
1955 399290 bx_off >>= 1;
1956 399290 by_off >>= 1;
1957 399290 width >>= 1;
1958 399290 height >>= 1;
1959 399290 block_w >>= 1;
1960 399290 block_h >>= 1;
1961 399290 vp8_mc_chroma(s, td, dst[1] + by_off * s->uvlinesize + bx_off,
1962 399290 dst[2] + by_off * s->uvlinesize + bx_off, ref_frame,
1963 &uvmv, x_off + bx_off, y_off + by_off,
1964 block_w, block_h, width, height, s->uvlinesize,
1965
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 399290 s->put_pixels_tab[1 + (block_w == 4)]);
1966 399290 }
1967
1968 /* Fetch pixels for estimated mv 4 macroblocks ahead.
1969 * Optimized for 64-byte cache lines. Inspired by ffh264 prefetch_motion. */
1970 static av_always_inline
1971 1334967 void prefetch_motion(const VP8Context *s, const VP8Macroblock *mb,
1972 int mb_x, int mb_y, int mb_xy, int ref)
1973 {
1974 /* Don't prefetch refs that haven't been used very often this frame. */
1975
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 1334967 if (s->ref_count[ref - 1] > (mb_xy >> 5)) {
1976 479891 int x_off = mb_x << 4, y_off = mb_y << 4;
1977 479891 int mx = (mb->mv.x >> 2) + x_off + 8;
1978 479891 int my = (mb->mv.y >> 2) + y_off;
1979 479891 uint8_t **src = s->framep[ref]->tf.f->data;
1980 479891 int off = mx + (my + (mb_x & 3) * 4) * s->linesize + 64;
1981 /* For threading, a ff_thread_await_progress here might be useful, but
1982 * it actually slows down the decoder. Since a bad prefetch doesn't
1983 * generate bad decoder output, we don't run it here. */
1984 479891 s->vdsp.prefetch(src[0] + off, s->linesize, 4);
1985 479891 off = (mx >> 1) + ((my >> 1) + (mb_x & 7)) * s->uvlinesize + 64;
1986 479891 s->vdsp.prefetch(src[1] + off, src[2] - src[1], 2);
1987 }
1988 1334967 }
1989
1990 /**
1991 * Apply motion vectors to prediction buffer, chapter 18.
1992 */
1993 static av_always_inline
1994 386850 void inter_predict(VP8Context *s, VP8ThreadData *td, uint8_t *const dst[3],
1995 VP8Macroblock *mb, int mb_x, int mb_y)
1996 {
1997 386850 int x_off = mb_x << 4, y_off = mb_y << 4;
1998 386850 int width = 16 * s->mb_width, height = 16 * s->mb_height;
1999 386850 const ProgressFrame *ref = &s->framep[mb->ref_frame]->tf;
2000 386850 const VP8mv *bmv = mb->bmv;
2001
2002
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 386850 switch (mb->partitioning) {
2003 368520 case VP8_SPLITMVMODE_NONE:
2004 368520 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2005 368520 0, 0, 16, 16, width, height, &mb->mv);
2006 368520 break;
2007 6615 case VP8_SPLITMVMODE_4x4: {
2008 int x, y;
2009 VP8mv uvmv;
2010
2011 /* Y */
2012
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 33075 for (y = 0; y < 4; y++) {
2013
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 132300 for (x = 0; x < 4; x++) {
2014 105840 vp8_mc_luma(s, td, dst[0] + 4 * y * s->linesize + x * 4,
2015 105840 ref, &bmv[4 * y + x],
2016 105840 4 * x + x_off, 4 * y + y_off, 4, 4,
2017 width, height, s->linesize,
2018 105840 s->put_pixels_tab[2]);
2019 }
2020 }
2021
2022 /* U/V */
2023 6615 x_off >>= 1;
2024 6615 y_off >>= 1;
2025 6615 width >>= 1;
2026 6615 height >>= 1;
2027
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 19845 for (y = 0; y < 2; y++) {
2028
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 39690 for (x = 0; x < 2; x++) {
2029 26460 uvmv.x = mb->bmv[2 * y * 4 + 2 * x ].x +
2030 26460 mb->bmv[2 * y * 4 + 2 * x + 1].x +
2031 26460 mb->bmv[(2 * y + 1) * 4 + 2 * x ].x +
2032 26460 mb->bmv[(2 * y + 1) * 4 + 2 * x + 1].x;
2033 26460 uvmv.y = mb->bmv[2 * y * 4 + 2 * x ].y +
2034 26460 mb->bmv[2 * y * 4 + 2 * x + 1].y +
2035 26460 mb->bmv[(2 * y + 1) * 4 + 2 * x ].y +
2036 26460 mb->bmv[(2 * y + 1) * 4 + 2 * x + 1].y;
2037 26460 uvmv.x = (uvmv.x + 2 + FF_SIGNBIT(uvmv.x)) >> 2;
2038 26460 uvmv.y = (uvmv.y + 2 + FF_SIGNBIT(uvmv.y)) >> 2;
2039
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 26460 if (s->profile == 3) {
2040 492 uvmv.x &= ~7;
2041 492 uvmv.y &= ~7;
2042 }
2043 26460 vp8_mc_chroma(s, td, dst[1] + 4 * y * s->uvlinesize + x * 4,
2044 26460 dst[2] + 4 * y * s->uvlinesize + x * 4, ref,
2045 26460 &uvmv, 4 * x + x_off, 4 * y + y_off, 4, 4,
2046 width, height, s->uvlinesize,
2047 26460 s->put_pixels_tab[2]);
2048 }
2049 }
2050 6615 break;
2051 }
2052 4910 case VP8_SPLITMVMODE_16x8:
2053 4910 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2054 0, 0, 16, 8, width, height, &bmv[0]);
2055 4910 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2056 0, 8, 16, 8, width, height, &bmv[1]);
2057 4910 break;
2058 3135 case VP8_SPLITMVMODE_8x16:
2059 3135 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2060 0, 0, 8, 16, width, height, &bmv[0]);
2061 3135 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2062 8, 0, 8, 16, width, height, &bmv[1]);
2063 3135 break;
2064 3670 case VP8_SPLITMVMODE_8x8:
2065 3670 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2066 0, 0, 8, 8, width, height, &bmv[0]);
2067 3670 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2068 8, 0, 8, 8, width, height, &bmv[1]);
2069 3670 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2070 0, 8, 8, 8, width, height, &bmv[2]);
2071 3670 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2072 8, 8, 8, 8, width, height, &bmv[3]);
2073 3670 break;
2074 }
2075 386850 }
2076
2077 static av_always_inline
2078 77882 void idct_mb(VP8Context *s, VP8ThreadData *td, uint8_t *const dst[3],
2079 const VP8Macroblock *mb)
2080 {
2081 int x, y, ch;
2082
2083
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 77882 if (mb->mode != MODE_I4x4) {
2084 60394 uint8_t *y_dst = dst[0];
2085
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 301970 for (y = 0; y < 4; y++) {
2086 241576 uint32_t nnz4 = AV_RL32(td->non_zero_count_cache[y]);
2087
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 241576 if (nnz4) {
2088
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 178713 if (nnz4 & ~0x01010101) {
2089
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 157676 for (x = 0; x < 4; x++) {
2090
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 157676 if ((uint8_t) nnz4 == 1)
2091 54946 s->vp8dsp.vp8_idct_dc_add(y_dst + 4 * x,
2092 54946 td->block[y][x],
2093 s->linesize);
2094
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 102730 else if ((uint8_t) nnz4 > 1)
2095 75145 s->vp8dsp.vp8_idct_add(y_dst + 4 * x,
2096 75145 td->block[y][x],
2097 s->linesize);
2098 157676 nnz4 >>= 8;
2099
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 157676 if (!nnz4)
2100 45342 break;
2101 }
2102 } else {
2103 133371 s->vp8dsp.vp8_idct_dc_add4y(y_dst, td->block[y], s->linesize);
2104 }
2105 }
2106 241576 y_dst += 4 * s->linesize;
2107 }
2108 }
2109
2110
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 233646 for (ch = 0; ch < 2; ch++) {
2111 155764 uint32_t nnz4 = AV_RL32(td->non_zero_count_cache[4 + ch]);
2112
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 155764 if (nnz4) {
2113 60364 uint8_t *ch_dst = dst[1 + ch];
2114
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 60364 if (nnz4 & ~0x01010101) {
2115
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 55999 for (y = 0; y < 2; y++) {
2116
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 133014 for (x = 0; x < 2; x++) {
2117
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 107235 if ((uint8_t) nnz4 == 1)
2118 16098 s->vp8dsp.vp8_idct_dc_add(ch_dst + 4 * x,
2119 16098 td->block[4 + ch][(y << 1) + x],
2120 s->uvlinesize);
2121
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 91137 else if ((uint8_t) nnz4 > 1)
2122 67411 s->vp8dsp.vp8_idct_add(ch_dst + 4 * x,
2123 67411 td->block[4 + ch][(y << 1) + x],
2124 s->uvlinesize);
2125 107235 nnz4 >>= 8;
2126
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 107235 if (!nnz4)
2127 30220 goto chroma_idct_end;
2128 }
2129 25779 ch_dst += 4 * s->uvlinesize;
2130 }
2131 } else {
2132 30144 s->vp8dsp.vp8_idct_dc_add4uv(ch_dst, td->block[4 + ch], s->uvlinesize);
2133 }
2134 }
2135 155764 chroma_idct_end:
2136 ;
2137 }
2138 77882 }
2139
2140 static av_always_inline
2141 425389 void filter_level_for_mb(const VP8Context *s, const VP8Macroblock *mb,
2142 VP8FilterStrength *f, int is_vp7)
2143 {
2144 int interior_limit, filter_level;
2145
2146
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 425389 if (s->segmentation.enabled) {
2147 102219 filter_level = s->segmentation.filter_level[mb->segment];
2148
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 102219 if (!s->segmentation.absolute_vals)
2149 98895 filter_level += s->filter.level;
2150 } else
2151 323170 filter_level = s->filter.level;
2152
2153
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 425389 if (s->lf_delta.enabled) {
2154 417815 filter_level += s->lf_delta.ref[mb->ref_frame];
2155 417815 filter_level += s->lf_delta.mode[mb->mode];
2156 }
2157
2158 425389 filter_level = av_clip_uintp2(filter_level, 6);
2159
2160 425389 interior_limit = filter_level;
2161
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 425389 if (s->filter.sharpness) {
2162 2772 interior_limit >>= (s->filter.sharpness + 3) >> 2;
2163 2772 interior_limit = FFMIN(interior_limit, 9 - s->filter.sharpness);
2164 }
2165 425389 interior_limit = FFMAX(interior_limit, 1);
2166
2167 425389 f->filter_level = filter_level;
2168 425389 f->inner_limit = interior_limit;
2169
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 778705 f->inner_filter = is_vp7 || !mb->skip || mb->mode == MODE_I4x4 ||
2170
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 353316 mb->mode == VP8_MVMODE_SPLIT;
2171 425389 }
2172
2173 static av_always_inline
2174 417667 void filter_mb(const VP8Context *s, uint8_t *const dst[3], const VP8FilterStrength *f,
2175 int mb_x, int mb_y, int is_vp7)
2176 {
2177 int mbedge_lim, bedge_lim_y, bedge_lim_uv, hev_thresh;
2178 417667 int filter_level = f->filter_level;
2179 417667 int inner_limit = f->inner_limit;
2180 417667 int inner_filter = f->inner_filter;
2181 417667 ptrdiff_t linesize = s->linesize;
2182 417667 ptrdiff_t uvlinesize = s->uvlinesize;
2183 static const uint8_t hev_thresh_lut[2][64] = {
2184 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2185 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2186 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
2187 3, 3, 3, 3 },
2188 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2189 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2190 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2191 2, 2, 2, 2 }
2192 };
2193
2194
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 417667 if (!filter_level)
2195 5877 return;
2196
2197
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 411790 if (is_vp7) {
2198 6820 bedge_lim_y = filter_level;
2199 6820 bedge_lim_uv = filter_level * 2;
2200 6820 mbedge_lim = filter_level + 2;
2201 } else {
2202 404970 bedge_lim_y =
2203 404970 bedge_lim_uv = filter_level * 2 + inner_limit;
2204 404970 mbedge_lim = bedge_lim_y + 4;
2205 }
2206
2207 411790 hev_thresh = hev_thresh_lut[s->keyframe][filter_level];
2208
2209
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 411790 if (mb_x) {
2210 397619 s->vp8dsp.vp8_h_loop_filter16y(dst[0], linesize,
2211 mbedge_lim, inner_limit, hev_thresh);
2212 397619 s->vp8dsp.vp8_h_loop_filter8uv(dst[1], dst[2], uvlinesize,
2213 mbedge_lim, inner_limit, hev_thresh);
2214 }
2215
2216 #define H_LOOP_FILTER_16Y_INNER(cond) \
2217 if (cond && inner_filter) { \
2218 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 4, linesize, \
2219 bedge_lim_y, inner_limit, \
2220 hev_thresh); \
2221 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 8, linesize, \
2222 bedge_lim_y, inner_limit, \
2223 hev_thresh); \
2224 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 12, linesize, \
2225 bedge_lim_y, inner_limit, \
2226 hev_thresh); \
2227 s->vp8dsp.vp8_h_loop_filter8uv_inner(dst[1] + 4, dst[2] + 4, \
2228 uvlinesize, bedge_lim_uv, \
2229 inner_limit, hev_thresh); \
2230 }
2231
2232
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 411790 H_LOOP_FILTER_16Y_INNER(!is_vp7)
2233
2234
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 411790 if (mb_y) {
2235 390676 s->vp8dsp.vp8_v_loop_filter16y(dst[0], linesize,
2236 mbedge_lim, inner_limit, hev_thresh);
2237 390676 s->vp8dsp.vp8_v_loop_filter8uv(dst[1], dst[2], uvlinesize,
2238 mbedge_lim, inner_limit, hev_thresh);
2239 }
2240
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 411790 if (inner_filter) {
2242 70060 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 4 * linesize,
2243 linesize, bedge_lim_y,
2244 inner_limit, hev_thresh);
2245 70060 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 8 * linesize,
2246 linesize, bedge_lim_y,
2247 inner_limit, hev_thresh);
2248 70060 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 12 * linesize,
2249 linesize, bedge_lim_y,
2250 inner_limit, hev_thresh);
2251 70060 s->vp8dsp.vp8_v_loop_filter8uv_inner(dst[1] + 4 * uvlinesize,
2252 70060 dst[2] + 4 * uvlinesize,
2253 uvlinesize, bedge_lim_uv,
2254 inner_limit, hev_thresh);
2255 }
2256
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 411790 H_LOOP_FILTER_16Y_INNER(is_vp7)
2258 }
2259
2260 static av_always_inline
2261 7722 void filter_mb_simple(const VP8Context *s, uint8_t *dst, const VP8FilterStrength *f,
2262 int mb_x, int mb_y)
2263 {
2264 int mbedge_lim, bedge_lim;
2265 7722 int filter_level = f->filter_level;
2266 7722 int inner_limit = f->inner_limit;
2267 7722 int inner_filter = f->inner_filter;
2268 7722 ptrdiff_t linesize = s->linesize;
2269
2270
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 7722 if (!filter_level)
2271 332 return;
2272
2273 7390 bedge_lim = 2 * filter_level + inner_limit;
2274 7390 mbedge_lim = bedge_lim + 4;
2275
2276
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 7390 if (mb_x)
2277 6713 s->vp8dsp.vp8_h_loop_filter_simple(dst, linesize, mbedge_lim);
2278
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 7390 if (inner_filter) {
2279 3523 s->vp8dsp.vp8_h_loop_filter_simple(dst + 4, linesize, bedge_lim);
2280 3523 s->vp8dsp.vp8_h_loop_filter_simple(dst + 8, linesize, bedge_lim);
2281 3523 s->vp8dsp.vp8_h_loop_filter_simple(dst + 12, linesize, bedge_lim);
2282 }
2283
2284
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 7390 if (mb_y)
2285 6609 s->vp8dsp.vp8_v_loop_filter_simple(dst, linesize, mbedge_lim);
2286
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 7390 if (inner_filter) {
2287 3523 s->vp8dsp.vp8_v_loop_filter_simple(dst + 4 * linesize, linesize, bedge_lim);
2288 3523 s->vp8dsp.vp8_v_loop_filter_simple(dst + 8 * linesize, linesize, bedge_lim);
2289 3523 s->vp8dsp.vp8_v_loop_filter_simple(dst + 12 * linesize, linesize, bedge_lim);
2290 }
2291 }
2292
2293 #define MARGIN (16 << 2)
2294 static av_always_inline
2295 31 int vp78_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe,
2296 const VP8Frame *prev_frame, int is_vp7)
2297 {
2298 31 VP8Context *s = avctx->priv_data;
2299 int mb_x, mb_y;
2300
2301 31 s->mv_bounds.mv_min.y = -MARGIN;
2302 31 s->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
2303
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 372 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
2304 341 VP8Macroblock *mb = s->macroblocks_base +
2305 341 ((s->mb_width + 1) * (mb_y + 1) + 1);
2306 341 int mb_xy = mb_y * s->mb_width;
2307
2308 341 AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED * 0x01010101);
2309
2310 341 s->mv_bounds.mv_min.x = -MARGIN;
2311 341 s->mv_bounds.mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
2312
2313
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 7161 for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
2314
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 6820 if (vpx_rac_is_end(&s->c)) {
2315 ✗ return AVERROR_INVALIDDATA;
2316 }
2317
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 6820 if (mb_y == 0)
2318 620 AV_WN32A((mb - s->mb_width - 1)->intra4x4_pred_mode_top,
2319 DC_PRED * 0x01010101);
2320
2/2
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 13420 decode_mb_mode(s, &s->mv_bounds, mb, mb_x, mb_y, curframe->seg_map + mb_xy,
2321
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✗ Branch 1 not taken.
 6600 prev_frame && prev_frame->seg_map ?
2322 6600 prev_frame->seg_map + mb_xy : NULL, 1, is_vp7);
2323 6820 s->mv_bounds.mv_min.x -= 64;
2324 6820 s->mv_bounds.mv_max.x -= 64;
2325 }
2326 341 s->mv_bounds.mv_min.y -= 64;
2327 341 s->mv_bounds.mv_max.y -= 64;
2328 }
2329 31 return 0;
2330 }
2331
2332 31 static int vp7_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame,
2333 const VP8Frame *prev_frame)
2334 {
2335 31 return vp78_decode_mv_mb_modes(avctx, cur_frame, prev_frame, IS_VP7);
2336 }
2337
2338 ✗ static int vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame,
2339 const VP8Frame *prev_frame)
2340 {
2341 ✗ return vp78_decode_mv_mb_modes(avctx, cur_frame, prev_frame, IS_VP8);
2342 }
2343
2344 #if HAVE_THREADS
2345 #define check_thread_pos(td, otd, mb_x_check, mb_y_check) \
2346 do { \
2347 int tmp = (mb_y_check << 16) | (mb_x_check & 0xFFFF); \
2348 if (atomic_load(&otd->thread_mb_pos) < tmp) { \
2349 pthread_mutex_lock(&otd->lock); \
2350 atomic_store(&td->wait_mb_pos, tmp); \
2351 do { \
2352 if (atomic_load(&otd->thread_mb_pos) >= tmp) \
2353 break; \
2354 pthread_cond_wait(&otd->cond, &otd->lock); \
2355 } while (1); \
2356 atomic_store(&td->wait_mb_pos, INT_MAX); \
2357 pthread_mutex_unlock(&otd->lock); \
2358 } \
2359 } while (0)
2360
2361 #define update_pos(td, mb_y, mb_x) \
2362 do { \
2363 int pos = (mb_y << 16) | (mb_x & 0xFFFF); \
2364 int sliced_threading = (avctx->active_thread_type == FF_THREAD_SLICE) && \
2365 (num_jobs > 1); \
2366 int is_null = !next_td || !prev_td; \
2367 int pos_check = (is_null) ? 1 : \
2368 (next_td != td && pos >= atomic_load(&next_td->wait_mb_pos)) || \
2369 (prev_td != td && pos >= atomic_load(&prev_td->wait_mb_pos)); \
2370 atomic_store(&td->thread_mb_pos, pos); \
2371 if (sliced_threading && pos_check) { \
2372 pthread_mutex_lock(&td->lock); \
2373 pthread_cond_broadcast(&td->cond); \
2374 pthread_mutex_unlock(&td->lock); \
2375 } \
2376 } while (0)
2377 #else
2378 #define check_thread_pos(td, otd, mb_x_check, mb_y_check) while(0)
2379 #define update_pos(td, mb_y, mb_x) while(0)
2380 #endif
2381
2382 16282 static av_always_inline int decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2383 int jobnr, int threadnr, int is_vp7)
2384 {
2385 16282 VP8Context *s = avctx->priv_data;
2386 16282 VP8ThreadData *prev_td, *next_td, *td = &s->thread_data[threadnr];
2387 16282 int mb_y = atomic_load(&td->thread_mb_pos) >> 16;
2388 16282 int mb_x, mb_xy = mb_y * s->mb_width;
2389 16282 int num_jobs = s->num_jobs;
2390 16282 const VP8Frame *prev_frame = s->prev_frame;
2391 16282 VP8Frame *curframe = s->curframe;
2392 16282 VPXRangeCoder *coeff_c = &s->coeff_partition[mb_y & (s->num_coeff_partitions - 1)];
2393
2394 VP8Macroblock *mb;
2395 16282 uint8_t *dst[3] = {
2396 16282 curframe->tf.f->data[0] + 16 * mb_y * s->linesize,
2397 16282 curframe->tf.f->data[1] + 8 * mb_y * s->uvlinesize,
2398 16282 curframe->tf.f->data[2] + 8 * mb_y * s->uvlinesize
2399 };
2400
2401
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 16282 if (vpx_rac_is_end(&s->c))
2402 ✗ return AVERROR_INVALIDDATA;
2403
2404
2/2
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 16282 if (mb_y == 0)
2405 1151 prev_td = td;
2406 else
2407 15131 prev_td = &s->thread_data[(jobnr + num_jobs - 1) % num_jobs];
2408
2/2
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 16282 if (mb_y == s->mb_height - 1)
2409 1151 next_td = td;
2410 else
2411 15131 next_td = &s->thread_data[(jobnr + 1) % num_jobs];
2412
2/2
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 16282 if (s->mb_layout == 1)
2413 341 mb = s->macroblocks_base + ((s->mb_width + 1) * (mb_y + 1) + 1);
2414 else {
2415 // Make sure the previous frame has read its segmentation map,
2416 // if we re-use the same map.
2417
4/4
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 15941 if (prev_frame && s->segmentation.enabled &&
2418
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 5598 !s->segmentation.update_map)
2419 5025 ff_progress_frame_await(&prev_frame->tf, mb_y);
2420 15941 mb = s->macroblocks + (s->mb_height - mb_y - 1) * 2;
2421 15941 memset(mb - 1, 0, sizeof(*mb)); // zero left macroblock
2422 15941 AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED * 0x01010101);
2423 }
2424
2425
4/4
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 16282 if (!is_vp7 || mb_y == 0)
2426 15972 memset(td->left_nnz, 0, sizeof(td->left_nnz));
2427
2428 16282 td->mv_bounds.mv_min.x = -MARGIN;
2429 16282 td->mv_bounds.mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
2430
2431
2/2
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 461271 for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
2432
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 444989 if (vpx_rac_is_end(&s->c))
2433 ✗ return AVERROR_INVALIDDATA;
2434 // Wait for previous thread to read mb_x+2, and reach mb_y-1.
2435
1/2
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 444989 if (prev_td != td) {
2436 ✗ if (threadnr != 0) {
2437 ✗ check_thread_pos(td, prev_td,
2438 mb_x + (is_vp7 ? 2 : 1),
2439 mb_y - (is_vp7 ? 2 : 1));
2440 } else {
2441 ✗ check_thread_pos(td, prev_td,
2442 mb_x + (is_vp7 ? 2 : 1) + s->mb_width + 3,
2443 mb_y - (is_vp7 ? 2 : 1));
2444 }
2445 }
2446
2447 444989 s->vdsp.prefetch(dst[0] + (mb_x & 3) * 4 * s->linesize + 64,
2448 s->linesize, 4);
2449 444989 s->vdsp.prefetch(dst[1] + (mb_x & 7) * s->uvlinesize + 64,
2450 444989 dst[2] - dst[1], 2);
2451
2452
2/2
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 444989 if (!s->mb_layout)
2453
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 845058 decode_mb_mode(s, &td->mv_bounds, mb, mb_x, mb_y, curframe->seg_map + mb_xy,
2454
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 406889 prev_frame && prev_frame->seg_map ?
2455 406889 prev_frame->seg_map + mb_xy : NULL, 0, is_vp7);
2456
2457 444989 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP8_FRAME_PREVIOUS);
2458
2459
2/2
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 444989 if (!mb->skip) {
2460
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 84558 if (vpx_rac_is_end(coeff_c))
2461 ✗ return AVERROR_INVALIDDATA;
2462 84558 decode_mb_coeffs(s, td, coeff_c, mb, s->top_nnz[mb_x], td->left_nnz, is_vp7);
2463 }
2464
2465
2/2
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 444989 if (mb->mode <= MODE_I4x4)
2466 58139 intra_predict(s, td, dst, mb, mb_x, mb_y, is_vp7);
2467 else
2468 386850 inter_predict(s, td, dst, mb, mb_x, mb_y);
2469
2470 444989 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP8_FRAME_GOLDEN);
2471
2472
2/2
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 444989 if (!mb->skip) {
2473 77882 idct_mb(s, td, dst, mb);
2474 } else {
2475 367107 AV_ZERO64(td->left_nnz);
2476 367107 AV_WN64(s->top_nnz[mb_x], 0); // array of 9, so unaligned
2477
2478 /* Reset DC block predictors if they would exist
2479 * if the mb had coefficients */
2480
4/4
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 367107 if (mb->mode != MODE_I4x4 && mb->mode != VP8_MVMODE_SPLIT) {
2481 363360 td->left_nnz[8] = 0;
2482 363360 s->top_nnz[mb_x][8] = 0;
2483 }
2484 }
2485
2486
2/2
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✓ Branch 1 taken 19600 times.
 444989 if (s->deblock_filter)
2487 425389 filter_level_for_mb(s, mb, &td->filter_strength[mb_x], is_vp7);
2488
2489
3/6
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 444989 if (s->deblock_filter && num_jobs != 1 && threadnr == num_jobs - 1) {
2490 ✗ if (s->filter.simple)
2491 ✗ backup_mb_border(s->top_border[mb_x + 1], dst[0],
2492 NULL, NULL, s->linesize, 0, 1);
2493 else
2494 ✗ backup_mb_border(s->top_border[mb_x + 1], dst[0],
2495 ✗ dst[1], dst[2], s->linesize, s->uvlinesize, 0);
2496 }
2497
2498 444989 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP8_FRAME_ALTREF);
2499
2500 444989 dst[0] += 16;
2501 444989 dst[1] += 8;
2502 444989 dst[2] += 8;
2503 444989 td->mv_bounds.mv_min.x -= 64;
2504 444989 td->mv_bounds.mv_max.x -= 64;
2505
2506
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 444989 if (mb_x == s->mb_width + 1) {
2507 ✗ update_pos(td, mb_y, s->mb_width + 3);
2508 } else {
2509
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 444989 update_pos(td, mb_y, mb_x);
2510 }
2511 }
2512 16282 return 0;
2513 }
2514
2515 341 static int vp7_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2516 int jobnr, int threadnr)
2517 {
2518 341 return decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, 1);
2519 }
2520
2521 15941 static int vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2522 int jobnr, int threadnr)
2523 {
2524 15941 return decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, 0);
2525 }
2526
2527 15181 static av_always_inline void filter_mb_row(AVCodecContext *avctx, void *tdata,
2528 int jobnr, int threadnr, int is_vp7)
2529 {
2530 15181 VP8Context *s = avctx->priv_data;
2531 15181 VP8ThreadData *td = &s->thread_data[threadnr];
2532 15181 int mb_x, mb_y = atomic_load(&td->thread_mb_pos) >> 16, num_jobs = s->num_jobs;
2533 15181 AVFrame *curframe = s->curframe->tf.f;
2534 VP8Macroblock *mb;
2535 VP8ThreadData *prev_td, *next_td;
2536 15181 uint8_t *dst[3] = {
2537 15181 curframe->data[0] + 16 * mb_y * s->linesize,
2538 15181 curframe->data[1] + 8 * mb_y * s->uvlinesize,
2539 15181 curframe->data[2] + 8 * mb_y * s->uvlinesize
2540 };
2541
2542
2/2
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✓ Branch 1 taken 14840 times.
 15181 if (s->mb_layout == 1)
2543 341 mb = s->macroblocks_base + ((s->mb_width + 1) * (mb_y + 1) + 1);
2544 else
2545 14840 mb = s->macroblocks + (s->mb_height - mb_y - 1) * 2;
2546
2547
2/2
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✓ Branch 1 taken 14141 times.
 15181 if (mb_y == 0)
2548 1040 prev_td = td;
2549 else
2550 14141 prev_td = &s->thread_data[(jobnr + num_jobs - 1) % num_jobs];
2551
2/2
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✓ Branch 1 taken 14141 times.
 15181 if (mb_y == s->mb_height - 1)
2552 1040 next_td = td;
2553 else
2554 14141 next_td = &s->thread_data[(jobnr + 1) % num_jobs];
2555
2556
2/2
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✓ Branch 1 taken 15181 times.
 440570 for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb++) {
2557 425389 const VP8FilterStrength *f = &td->filter_strength[mb_x];
2558
1/2
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 425389 if (prev_td != td)
2559 ✗ check_thread_pos(td, prev_td,
2560 (mb_x + 1) + (s->mb_width + 3), mb_y - 1);
2561
1/2
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 425389 if (next_td != td)
2562 ✗ if (next_td != &s->thread_data[0])
2563 ✗ check_thread_pos(td, next_td, mb_x + 1, mb_y + 1);
2564
2565
1/2
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 425389 if (num_jobs == 1) {
2566
2/2
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✓ Branch 1 taken 417667 times.
 425389 if (s->filter.simple)
2567 7722 backup_mb_border(s->top_border[mb_x + 1], dst[0],
2568 NULL, NULL, s->linesize, 0, 1);
2569 else
2570 417667 backup_mb_border(s->top_border[mb_x + 1], dst[0],
2571 417667 dst[1], dst[2], s->linesize, s->uvlinesize, 0);
2572 }
2573
2574
2/2
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✓ Branch 1 taken 417667 times.
 425389 if (s->filter.simple)
2575 7722 filter_mb_simple(s, dst[0], f, mb_x, mb_y);
2576 else
2577 417667 filter_mb(s, dst, f, mb_x, mb_y, is_vp7);
2578 425389 dst[0] += 16;
2579 425389 dst[1] += 8;
2580 425389 dst[2] += 8;
2581
2582
7/22
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 425389 update_pos(td, mb_y, (s->mb_width + 3) + mb_x);
2583 }
2584 15181 }
2585
2586 341 static void vp7_filter_mb_row(AVCodecContext *avctx, void *tdata,
2587 int jobnr, int threadnr)
2588 {
2589 341 filter_mb_row(avctx, tdata, jobnr, threadnr, 1);
2590 341 }
2591
2592 14840 static void vp8_filter_mb_row(AVCodecContext *avctx, void *tdata,
2593 int jobnr, int threadnr)
2594 {
2595 14840 filter_mb_row(avctx, tdata, jobnr, threadnr, 0);
2596 14840 }
2597
2598 static av_always_inline
2599 1151 int vp78_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, int jobnr,
2600 int threadnr, int is_vp7)
2601 {
2602 1151 const VP8Context *s = avctx->priv_data;
2603 1151 VP8ThreadData *td = &s->thread_data[jobnr];
2604 1151 VP8ThreadData *next_td = NULL, *prev_td = NULL;
2605 1151 VP8Frame *curframe = s->curframe;
2606 1151 int mb_y, num_jobs = s->num_jobs;
2607 int ret;
2608
2609 1151 td->thread_nr = threadnr;
2610 1151 td->mv_bounds.mv_min.y = -MARGIN - 64 * threadnr;
2611 1151 td->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN - 64 * threadnr;
2612
2/2
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✓ Branch 1 taken 1151 times.
 17433 for (mb_y = jobnr; mb_y < s->mb_height; mb_y += num_jobs) {
2613 16282 atomic_store(&td->thread_mb_pos, mb_y << 16);
2614 16282 ret = s->decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr);
2615
1/2
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✓ Branch 1 taken 16282 times.
 16282 if (ret < 0) {
2616 ✗ update_pos(td, s->mb_height, INT_MAX & 0xFFFF);
2617 ✗ return ret;
2618 }
2619
2/2
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✓ Branch 1 taken 1101 times.
 16282 if (s->deblock_filter)
2620 15181 s->filter_mb_row(avctx, tdata, jobnr, threadnr);
2621
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 16282 update_pos(td, mb_y, INT_MAX & 0xFFFF);
2622
2623 16282 td->mv_bounds.mv_min.y -= 64 * num_jobs;
2624 16282 td->mv_bounds.mv_max.y -= 64 * num_jobs;
2625
2626
1/2
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 16282 if (avctx->active_thread_type == FF_THREAD_FRAME)
2627 ✗ ff_progress_frame_report(&curframe->tf, mb_y);
2628 }
2629
2630 1151 return 0;
2631 }
2632
2633 31 static int vp7_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata,
2634 int jobnr, int threadnr)
2635 {
2636 31 return vp78_decode_mb_row_sliced(avctx, tdata, jobnr, threadnr, IS_VP7);
2637 }
2638
2639 1120 static int vp8_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata,
2640 int jobnr, int threadnr)
2641 {
2642 1120 return vp78_decode_mb_row_sliced(avctx, tdata, jobnr, threadnr, IS_VP8);
2643 }
2644
2645 static av_always_inline
2646 1151 int vp78_decode_frame(AVCodecContext *avctx, AVFrame *rframe, int *got_frame,
2647 const AVPacket *avpkt, int is_vp7)
2648 {
2649 1151 VP8Context *s = avctx->priv_data;
2650 int ret, i, referenced, num_jobs;
2651 enum AVDiscard skip_thresh;
2652 1151 VP8Frame *av_uninit(curframe), *prev_frame;
2653
2654
2/2
✓ Branch 0 taken 31 times.
✓ Branch 1 taken 1120 times.
 1151 if (is_vp7)
2655 31 ret = vp7_decode_frame_header(s, avpkt->data, avpkt->size);
2656 else
2657 1120 ret = vp8_decode_frame_header(s, avpkt->data, avpkt->size);
2658
2659
1/2
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✓ Branch 1 taken 1151 times.
 1151 if (ret < 0)
2660 ✗ goto err;
2661
2662
4/4
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✓ Branch 2 taken 6 times.
✓ Branch 3 taken 1114 times.
 1151 if (!is_vp7 && s->actually_webp) {
2663 // VP8 in WebP is supposed to be intra-only. Enforce this here
2664 // to ensure that output is reproducible with frame-threading.
2665
1/2
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 6 if (!s->keyframe)
2666 ✗ return AVERROR_INVALIDDATA;
2667 // avctx->pix_fmt already set in caller.
2668
3/4
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 1145 } else if (!is_vp7 && s->pix_fmt == AV_PIX_FMT_NONE) {
2669 ✗ s->pix_fmt = get_pixel_format(s);
2670 ✗ if (s->pix_fmt < 0) {
2671 ✗ ret = AVERROR(EINVAL);
2672 ✗ goto err;
2673 }
2674 ✗ avctx->pix_fmt = s->pix_fmt;
2675 }
2676
2677 1151 prev_frame = s->framep[VP8_FRAME_CURRENT];
2678
2679
3/4
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✗ Branch 3 not taken.
 1162 referenced = s->update_last || s->update_golden == VP8_FRAME_CURRENT ||
2680
2/2
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✓ Branch 1 taken 2 times.
 11 s->update_altref == VP8_FRAME_CURRENT;
2681
2682 1151 skip_thresh = !referenced ? AVDISCARD_NONREF
2683
4/4
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✓ Branch 3 taken 52 times.
 1151 : !s->keyframe ? AVDISCARD_NONKEY
2684 : AVDISCARD_ALL;
2685
2686
1/2
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 1151 if (avctx->skip_frame >= skip_thresh) {
2687 ✗ s->invisible = 1;
2688 ✗ memcpy(&s->next_framep[0], &s->framep[0], sizeof(s->framep[0]) * 4);
2689 ✗ goto skip_decode;
2690 }
2691
3/4
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✓ Branch 2 taken 1040 times.
✗ Branch 3 not taken.
 1151 s->deblock_filter = s->filter.level && avctx->skip_loop_filter < skip_thresh;
2692
2693 // release no longer referenced frames
2694
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 6906 for (i = 0; i < 5; i++)
2695
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✓ Branch 1 taken 1919 times.
 5755 if (s->frames[i].tf.f &&
2696
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✓ Branch 1 taken 1111 times.
 3836 &s->frames[i] != prev_frame &&
2697
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✓ Branch 1 taken 11 times.
 2725 &s->frames[i] != s->framep[VP8_FRAME_PREVIOUS] &&
2698
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✓ Branch 1 taken 972 times.
 2714 &s->frames[i] != s->framep[VP8_FRAME_GOLDEN] &&
2699
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✓ Branch 1 taken 708 times.
 1742 &s->frames[i] != s->framep[VP8_FRAME_ALTREF])
2700 1034 vp8_release_frame(&s->frames[i]);
2701
2702 1151 curframe = s->framep[VP8_FRAME_CURRENT] = vp8_find_free_buffer(s);
2703
2704
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 1151 if (!s->colorspace)
2705 1151 avctx->colorspace = AVCOL_SPC_BT470BG;
2706
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 1151 if (s->fullrange)
2707 ✗ avctx->color_range = AVCOL_RANGE_JPEG;
2708 else
2709 1151 avctx->color_range = AVCOL_RANGE_MPEG;
2710
2711 /* Given that arithmetic probabilities are updated every frame, it's quite
2712 * likely that the values we have on a random interframe are complete
2713 * junk if we didn't start decode on a keyframe. So just don't display
2714 * anything rather than junk. */
2715
3/4
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✗ Branch 3 not taken.
 1151 if (!s->keyframe && (!s->framep[VP8_FRAME_PREVIOUS] ||
2716
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 1099 !s->framep[VP8_FRAME_GOLDEN] ||
2717
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 1099 !s->framep[VP8_FRAME_ALTREF])) {
2718 ✗ av_log(avctx, AV_LOG_WARNING,
2719 "Discarding interframe without a prior keyframe!\n");
2720 ✗ ret = AVERROR_INVALIDDATA;
2721 ✗ goto err;
2722 }
2723
2724
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 1151 if ((ret = vp8_alloc_frame(s, curframe, referenced)) < 0)
2725 ✗ goto err;
2726
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 1151 if (s->keyframe)
2727 52 curframe->tf.f->flags |= AV_FRAME_FLAG_KEY;
2728 else
2729 1099 curframe->tf.f->flags &= ~AV_FRAME_FLAG_KEY;
2730 2302 curframe->tf.f->pict_type = s->keyframe ? AV_PICTURE_TYPE_I
2731
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 1151 : AV_PICTURE_TYPE_P;
2732
2733 // check if golden and altref are swapped
2734
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 1151 if (s->update_altref != VP8_FRAME_NONE)
2735 200 s->next_framep[VP8_FRAME_ALTREF] = s->framep[s->update_altref];
2736 else
2737 951 s->next_framep[VP8_FRAME_ALTREF] = s->framep[VP8_FRAME_ALTREF];
2738
2739
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 1151 if (s->update_golden != VP8_FRAME_NONE)
2740 142 s->next_framep[VP8_FRAME_GOLDEN] = s->framep[s->update_golden];
2741 else
2742 1009 s->next_framep[VP8_FRAME_GOLDEN] = s->framep[VP8_FRAME_GOLDEN];
2743
2744
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 1151 if (s->update_last)
2745 1140 s->next_framep[VP8_FRAME_PREVIOUS] = curframe;
2746 else
2747 11 s->next_framep[VP8_FRAME_PREVIOUS] = s->framep[VP8_FRAME_PREVIOUS];
2748
2749 1151 s->next_framep[VP8_FRAME_CURRENT] = curframe;
2750
2751
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 1151 if (!is_vp7 && !s->actually_webp)
2752 1114 ff_thread_finish_setup(avctx);
2753
2754
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 1151 if (avctx->hwaccel) {
2755 ✗ const FFHWAccel *hwaccel = ffhwaccel(avctx->hwaccel);
2756 ✗ ret = hwaccel->start_frame(avctx, avpkt->data, avpkt->size);
2757 ✗ if (ret < 0)
2758 ✗ goto err;
2759
2760 ✗ ret = hwaccel->decode_slice(avctx, avpkt->data, avpkt->size);
2761 ✗ if (ret < 0)
2762 ✗ goto err;
2763
2764 ✗ ret = hwaccel->end_frame(avctx);
2765 ✗ if (ret < 0)
2766 ✗ goto err;
2767
2768 } else {
2769 1151 s->linesize = curframe->tf.f->linesize[0];
2770 1151 s->uvlinesize = curframe->tf.f->linesize[1];
2771
2772 1151 memset(s->top_nnz, 0, s->mb_width * sizeof(*s->top_nnz));
2773 /* Zero macroblock structures for top/top-left prediction
2774 * from outside the frame. */
2775
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 1151 if (!s->mb_layout)
2776 1120 memset(s->macroblocks + s->mb_height * 2 - 1, 0,
2777 1120 (s->mb_width + 1) * sizeof(*s->macroblocks));
2778
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 1151 if (!s->mb_layout && s->keyframe)
2779 51 memset(s->intra4x4_pred_mode_top, DC_PRED, s->mb_width * 4);
2780
2781 1151 memset(s->ref_count, 0, sizeof(s->ref_count));
2782
2783
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 1151 if (s->mb_layout == 1) {
2784 // Make sure the previous frame has read its segmentation map,
2785 // if we re-use the same map.
2786
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 31 if (prev_frame && s->segmentation.enabled &&
2787 ✗ !s->segmentation.update_map)
2788 ✗ ff_progress_frame_await(&prev_frame->tf, 1);
2789
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 31 if (is_vp7)
2790 31 ret = vp7_decode_mv_mb_modes(avctx, curframe, prev_frame);
2791 else
2792 ✗ ret = vp8_decode_mv_mb_modes(avctx, curframe, prev_frame);
2793
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 31 if (ret < 0)
2794 ✗ goto err;
2795 }
2796
2797
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 1151 if (avctx->active_thread_type == FF_THREAD_FRAME)
2798 ✗ num_jobs = 1;
2799 else
2800 1151 num_jobs = FFMIN(s->num_coeff_partitions, avctx->thread_count);
2801 1151 s->num_jobs = num_jobs;
2802 1151 s->curframe = curframe;
2803 1151 s->prev_frame = prev_frame;
2804 1151 s->mv_bounds.mv_min.y = -MARGIN;
2805 1151 s->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
2806
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 10359 for (i = 0; i < MAX_THREADS; i++) {
2807 9208 VP8ThreadData *td = &s->thread_data[i];
2808 9208 atomic_init(&td->thread_mb_pos, 0);
2809 9208 atomic_init(&td->wait_mb_pos, INT_MAX);
2810 }
2811
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 1151 if (is_vp7)
2812 31 avctx->execute2(avctx, vp7_decode_mb_row_sliced, s->thread_data, NULL,
2813 num_jobs);
2814 else
2815 1120 avctx->execute2(avctx, vp8_decode_mb_row_sliced, s->thread_data, NULL,
2816 num_jobs);
2817 }
2818
2819 1151 ff_progress_frame_report(&curframe->tf, INT_MAX);
2820 1151 memcpy(&s->framep[0], &s->next_framep[0], sizeof(s->framep[0]) * 4);
2821
2822 1151 skip_decode:
2823 // if future frames don't use the updated probabilities,
2824 // reset them to the values we saved
2825
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 1151 if (!s->update_probabilities)
2826 64 s->prob[0] = s->prob[1];
2827
2828
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 1151 if (!s->invisible) {
2829
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✓ Branch 2 taken 1142 times.
 1142 if ((ret = av_frame_ref(rframe, curframe->tf.f)) < 0)
2830 ✗ return ret;
2831 1142 *got_frame = 1;
2832 }
2833
2834 1151 return avpkt->size;
2835 ✗ err:
2836 ✗ memcpy(&s->next_framep[0], &s->framep[0], sizeof(s->framep[0]) * 4);
2837 ✗ return ret;
2838 }
2839
2840 1120 int ff_vp8_decode_frame(AVCodecContext *avctx, AVFrame *frame,
2841 int *got_frame, AVPacket *avpkt)
2842 {
2843 1120 return vp78_decode_frame(avctx, frame, got_frame, avpkt, IS_VP8);
2844 }
2845
2846 #if CONFIG_VP7_DECODER
2847 31 static int vp7_decode_frame(AVCodecContext *avctx, AVFrame *frame,
2848 int *got_frame, AVPacket *avpkt)
2849 {
2850 31 return vp78_decode_frame(avctx, frame, got_frame, avpkt, IS_VP7);
2851 }
2852 #endif /* CONFIG_VP7_DECODER */
2853
2854 63 av_cold int ff_vp8_decode_free(AVCodecContext *avctx)
2855 {
2856 63 vp8_decode_flush_impl(avctx, 1);
2857
2858 63 return 0;
2859 }
2860
2861 static av_always_inline
2862 63 int vp78_decode_init(AVCodecContext *avctx, int is_vp7)
2863 {
2864 63 VP8Context *s = avctx->priv_data;
2865
2866 63 s->avctx = avctx;
2867 63 s->pix_fmt = AV_PIX_FMT_NONE;
2868 63 avctx->pix_fmt = AV_PIX_FMT_YUV420P;
2869
2870 63 ff_videodsp_init(&s->vdsp, 8);
2871
2872 63 ff_vp78dsp_init(&s->vp8dsp);
2873
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 63 if (CONFIG_VP7_DECODER && is_vp7) {
2874 3 ff_h264_pred_init(&s->hpc, AV_CODEC_ID_VP7, 8, 1);
2875 3 ff_vp7dsp_init(&s->vp8dsp);
2876 3 s->decode_mb_row_no_filter = vp7_decode_mb_row_no_filter;
2877 3 s->filter_mb_row = vp7_filter_mb_row;
2878
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 60 } else if (CONFIG_VP8_DECODER && !is_vp7) {
2879 60 ff_h264_pred_init(&s->hpc, AV_CODEC_ID_VP8, 8, 1);
2880 60 ff_vp8dsp_init(&s->vp8dsp);
2881 60 s->decode_mb_row_no_filter = vp8_decode_mb_row_no_filter;
2882 60 s->filter_mb_row = vp8_filter_mb_row;
2883 }
2884
2885 /* does not change for VP8 */
2886 63 memcpy(s->prob[0].scan, ff_zigzag_scan, sizeof(s->prob[0].scan));
2887
2888 63 return 0;
2889 }
2890
2891 #if CONFIG_VP7_DECODER
2892 3 static int vp7_decode_init(AVCodecContext *avctx)
2893 {
2894 3 return vp78_decode_init(avctx, IS_VP7);
2895 }
2896 #endif /* CONFIG_VP7_DECODER */
2897
2898 60 av_cold int ff_vp8_decode_init(AVCodecContext *avctx)
2899 {
2900 60 return vp78_decode_init(avctx, IS_VP8);
2901 }
2902
2903 #if CONFIG_VP8_DECODER
2904 #if HAVE_THREADS
2905 ✗ static void vp8_replace_frame(VP8Frame *dst, const VP8Frame *src)
2906 {
2907 ✗ ff_progress_frame_replace(&dst->tf, &src->tf);
2908 ✗ av_refstruct_replace(&dst->seg_map, src->seg_map);
2909 ✗ av_refstruct_replace(&dst->hwaccel_picture_private,
2910 ✗ src->hwaccel_picture_private);
2911 ✗ }
2912
2913 #define REBASE(pic) ((pic) ? (pic) - &s_src->frames[0] + &s->frames[0] : NULL)
2914
2915 ✗ static int vp8_decode_update_thread_context(AVCodecContext *dst,
2916 const AVCodecContext *src)
2917 {
2918 ✗ VP8Context *s = dst->priv_data, *s_src = src->priv_data;
2919
2920 ✗ if (s->macroblocks_base &&
2921 ✗ (s_src->mb_width != s->mb_width || s_src->mb_height != s->mb_height)) {
2922 ✗ free_buffers(s);
2923 ✗ s->mb_width = s_src->mb_width;
2924 ✗ s->mb_height = s_src->mb_height;
2925 }
2926
2927 ✗ s->pix_fmt = s_src->pix_fmt;
2928 ✗ s->prob[0] = s_src->prob[!s_src->update_probabilities];
2929 ✗ s->segmentation = s_src->segmentation;
2930 ✗ s->lf_delta = s_src->lf_delta;
2931 ✗ memcpy(s->sign_bias, s_src->sign_bias, sizeof(s->sign_bias));
2932
2933 ✗ for (int i = 0; i < FF_ARRAY_ELEMS(s_src->frames); i++)
2934 ✗ vp8_replace_frame(&s->frames[i], &s_src->frames[i]);
2935
2936 ✗ s->framep[0] = REBASE(s_src->next_framep[0]);
2937 ✗ s->framep[1] = REBASE(s_src->next_framep[1]);
2938 ✗ s->framep[2] = REBASE(s_src->next_framep[2]);
2939 ✗ s->framep[3] = REBASE(s_src->next_framep[3]);
2940
2941 ✗ return 0;
2942 }
2943 #endif /* HAVE_THREADS */
2944 #endif /* CONFIG_VP8_DECODER */
2945
2946 #if CONFIG_VP7_DECODER
2947 const FFCodec ff_vp7_decoder = {
2948 .p.name = "vp7",
2949 CODEC_LONG_NAME("On2 VP7"),
2950 .p.type = AVMEDIA_TYPE_VIDEO,
2951 .p.id = AV_CODEC_ID_VP7,
2952 .priv_data_size = sizeof(VP8Context),
2953 .init = vp7_decode_init,
2954 .close = ff_vp8_decode_free,
2955 FF_CODEC_DECODE_CB(vp7_decode_frame),
2956 .p.capabilities = AV_CODEC_CAP_DR1,
2957 .flush = vp8_decode_flush,
2958 .caps_internal = FF_CODEC_CAP_USES_PROGRESSFRAMES,
2959 };
2960 #endif /* CONFIG_VP7_DECODER */
2961
2962 #if CONFIG_VP8_DECODER
2963 const FFCodec ff_vp8_decoder = {
2964 .p.name = "vp8",
2965 CODEC_LONG_NAME("On2 VP8"),
2966 .p.type = AVMEDIA_TYPE_VIDEO,
2967 .p.id = AV_CODEC_ID_VP8,
2968 .priv_data_size = sizeof(VP8Context),
2969 .init = ff_vp8_decode_init,
2970 .close = ff_vp8_decode_free,
2971 FF_CODEC_DECODE_CB(ff_vp8_decode_frame),
2972 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
2973 AV_CODEC_CAP_SLICE_THREADS,
2974 .caps_internal = FF_CODEC_CAP_USES_PROGRESSFRAMES,
2975 .flush = vp8_decode_flush,
2976 UPDATE_THREAD_CONTEXT(vp8_decode_update_thread_context),
2977 .hw_configs = (const AVCodecHWConfigInternal *const []) {
2978 #if CONFIG_VP8_VAAPI_HWACCEL
2979 HWACCEL_VAAPI(vp8),
2980 #endif
2981 #if CONFIG_VP8_NVDEC_HWACCEL
2982 HWACCEL_NVDEC(vp8),
2983 #endif
2984 NULL
2985 },
2986 };
2987 #endif /* CONFIG_VP7_DECODER */
2988