FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/vp8.c
Date: 2022-07-05 19:52:29
Exec Total Coverage
Lines: 1351 1585 85.2%
Branches: 807 1163 69.4%
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/imgutils.h"
30 #include "libavutil/mem_internal.h"
31
32 #include "avcodec.h"
33 #include "codec_internal.h"
34 #include "hwconfig.h"
35 #include "internal.h"
36 #include "mathops.h"
37 #include "rectangle.h"
38 #include "thread.h"
39 #include "threadframe.h"
40 #include "vp8.h"
41 #include "vp8data.h"
42
43 #if ARCH_ARM
44 # include "arm/vp8.h"
45 #endif
46
47 #if CONFIG_VP7_DECODER && CONFIG_VP8_DECODER
48 #define VPX(vp7, f) (vp7 ? vp7_ ## f : vp8_ ## f)
49 #elif CONFIG_VP7_DECODER
50 #define VPX(vp7, f) vp7_ ## f
51 #else // CONFIG_VP8_DECODER
52 #define VPX(vp7, f) vp8_ ## f
53 #endif
54
55 76 static void free_buffers(VP8Context *s)
56 {
57 int i;
58
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 76 if (s->thread_data)
59
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 333 for (i = 0; i < MAX_THREADS; i++) {
60 #if HAVE_THREADS
61 296 pthread_cond_destroy(&s->thread_data[i].cond);
62 296 pthread_mutex_destroy(&s->thread_data[i].lock);
63 #endif
64 296 av_freep(&s->thread_data[i].filter_strength);
65 }
66 76 av_freep(&s->thread_data);
67 76 av_freep(&s->macroblocks_base);
68 76 av_freep(&s->intra4x4_pred_mode_top);
69 76 av_freep(&s->top_nnz);
70 76 av_freep(&s->top_border);
71
72 76 s->macroblocks = NULL;
73 76 }
74
75 1142 static int vp8_alloc_frame(VP8Context *s, VP8Frame *f, int ref)
76 {
77 int ret;
78
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 1142 if ((ret = ff_thread_get_ext_buffer(s->avctx, &f->tf,
79 ref ? AV_GET_BUFFER_FLAG_REF : 0)) < 0)
80 ✗ return ret;
81
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 1142 if (!(f->seg_map = av_buffer_allocz(s->mb_width * s->mb_height)))
82 ✗ goto fail;
83
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 1142 if (s->avctx->hwaccel) {
84 ✗ const AVHWAccel *hwaccel = s->avctx->hwaccel;
85 ✗ if (hwaccel->frame_priv_data_size) {
86 ✗ f->hwaccel_priv_buf = av_buffer_allocz(hwaccel->frame_priv_data_size);
87 ✗ if (!f->hwaccel_priv_buf)
88 ✗ goto fail;
89 ✗ f->hwaccel_picture_private = f->hwaccel_priv_buf->data;
90 }
91 }
92 1142 return 0;
93
94 ✗ fail:
95 ✗ av_buffer_unref(&f->seg_map);
96 ✗ ff_thread_release_ext_buffer(s->avctx, &f->tf);
97 ✗ return AVERROR(ENOMEM);
98 }
99
100 1413 static void vp8_release_frame(VP8Context *s, VP8Frame *f)
101 {
102 1413 av_buffer_unref(&f->seg_map);
103 1413 av_buffer_unref(&f->hwaccel_priv_buf);
104 1413 f->hwaccel_picture_private = NULL;
105 1413 ff_thread_release_ext_buffer(s->avctx, &f->tf);
106 1413 }
107
108 #if CONFIG_VP8_DECODER
109 ✗ static int vp8_ref_frame(VP8Context *s, VP8Frame *dst, VP8Frame *src)
110 {
111 int ret;
112
113 ✗ vp8_release_frame(s, dst);
114
115 ✗ if ((ret = ff_thread_ref_frame(&dst->tf, &src->tf)) < 0)
116 ✗ return ret;
117 ✗ if (src->seg_map &&
118 ✗ !(dst->seg_map = av_buffer_ref(src->seg_map))) {
119 ✗ vp8_release_frame(s, dst);
120 ✗ return AVERROR(ENOMEM);
121 }
122 ✗ if (src->hwaccel_picture_private) {
123 ✗ dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
124 ✗ if (!dst->hwaccel_priv_buf)
125 ✗ return AVERROR(ENOMEM);
126 ✗ dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
127 }
128
129 ✗ return 0;
130 }
131 #endif /* CONFIG_VP8_DECODER */
132
133 76 static void vp8_decode_flush_impl(AVCodecContext *avctx, int free_mem)
134 {
135 76 VP8Context *s = avctx->priv_data;
136 int i;
137
138
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 456 for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++)
139 380 vp8_release_frame(s, &s->frames[i]);
140 76 memset(s->framep, 0, sizeof(s->framep));
141
142
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 76 if (free_mem)
143 76 free_buffers(s);
144 76 }
145
146 ✗ static void vp8_decode_flush(AVCodecContext *avctx)
147 {
148 ✗ vp8_decode_flush_impl(avctx, 0);
149 }
150
151 1142 static VP8Frame *vp8_find_free_buffer(VP8Context *s)
152 {
153 1142 VP8Frame *frame = NULL;
154 int i;
155
156 // find a free buffer
157
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 2793 for (i = 0; i < 5; i++)
158
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 2793 if (&s->frames[i] != s->framep[VP56_FRAME_CURRENT] &&
159
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 2203 &s->frames[i] != s->framep[VP56_FRAME_PREVIOUS] &&
160
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 2202 &s->frames[i] != s->framep[VP56_FRAME_GOLDEN] &&
161
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 1600 &s->frames[i] != s->framep[VP56_FRAME_GOLDEN2]) {
162 1142 frame = &s->frames[i];
163 1142 break;
164 }
165
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 1142 if (i == 5) {
166 ✗ av_log(s->avctx, AV_LOG_FATAL, "Ran out of free frames!\n");
167 ✗ abort();
168 }
169
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 1142 if (frame->tf.f->buf[0])
170 ✗ vp8_release_frame(s, frame);
171
172 1142 return frame;
173 }
174
175 21 static enum AVPixelFormat get_pixel_format(VP8Context *s)
176 {
177 21 enum AVPixelFormat pix_fmts[] = {
178 #if CONFIG_VP8_VAAPI_HWACCEL
179 AV_PIX_FMT_VAAPI,
180 #endif
181 #if CONFIG_VP8_NVDEC_HWACCEL
182 AV_PIX_FMT_CUDA,
183 #endif
184 AV_PIX_FMT_YUV420P,
185 AV_PIX_FMT_NONE,
186 };
187
188 21 return ff_get_format(s->avctx, pix_fmts);
189 }
190
191 static av_always_inline
192 37 int update_dimensions(VP8Context *s, int width, int height, int is_vp7)
193 {
194 37 AVCodecContext *avctx = s->avctx;
195 37 int i, ret, dim_reset = 0;
196
197
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 37 if (width != s->avctx->width || ((width+15)/16 != s->mb_width || (height+15)/16 != s->mb_height) && s->macroblocks_base ||
198
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 24 height != s->avctx->height) {
199 13 vp8_decode_flush_impl(s->avctx, 1);
200
201 13 ret = ff_set_dimensions(s->avctx, width, height);
202
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 13 if (ret < 0)
203 ✗ return ret;
204
205 13 dim_reset = (s->macroblocks_base != NULL);
206 }
207
208
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 37 if ((s->pix_fmt == AV_PIX_FMT_NONE || dim_reset) &&
209
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 28 !s->actually_webp && !is_vp7) {
210 21 s->pix_fmt = get_pixel_format(s);
211
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 21 if (s->pix_fmt < 0)
212 ✗ return AVERROR(EINVAL);
213 21 avctx->pix_fmt = s->pix_fmt;
214 }
215
216 37 s->mb_width = (s->avctx->coded_width + 15) / 16;
217 37 s->mb_height = (s->avctx->coded_height + 15) / 16;
218
219
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 37 s->mb_layout = is_vp7 || avctx->active_thread_type == FF_THREAD_SLICE &&
220 ✗ avctx->thread_count > 1;
221
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 37 if (!s->mb_layout) { // Frame threading and one thread
222 36 s->macroblocks_base = av_mallocz((s->mb_width + s->mb_height * 2 + 1) *
223 sizeof(*s->macroblocks));
224 36 s->intra4x4_pred_mode_top = av_mallocz(s->mb_width * 4);
225 } else // Sliced threading
226 1 s->macroblocks_base = av_mallocz((s->mb_width + 2) * (s->mb_height + 2) *
227 sizeof(*s->macroblocks));
228 37 s->top_nnz = av_mallocz(s->mb_width * sizeof(*s->top_nnz));
229 37 s->top_border = av_mallocz((s->mb_width + 1) * sizeof(*s->top_border));
230 37 s->thread_data = av_mallocz(MAX_THREADS * sizeof(VP8ThreadData));
231
232
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 37 if (!s->macroblocks_base || !s->top_nnz || !s->top_border ||
233
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 37 !s->thread_data || (!s->intra4x4_pred_mode_top && !s->mb_layout)) {
234 ✗ free_buffers(s);
235 ✗ return AVERROR(ENOMEM);
236 }
237
238
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 333 for (i = 0; i < MAX_THREADS; i++) {
239 592 s->thread_data[i].filter_strength =
240 296 av_mallocz(s->mb_width * sizeof(*s->thread_data[0].filter_strength));
241
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 296 if (!s->thread_data[i].filter_strength) {
242 ✗ free_buffers(s);
243 ✗ return AVERROR(ENOMEM);
244 }
245 #if HAVE_THREADS
246 296 pthread_mutex_init(&s->thread_data[i].lock, NULL);
247 296 pthread_cond_init(&s->thread_data[i].cond, NULL);
248 #endif
249 }
250
251 37 s->macroblocks = s->macroblocks_base + 1;
252
253 37 return 0;
254 }
255
256 1 static int vp7_update_dimensions(VP8Context *s, int width, int height)
257 {
258 1 return update_dimensions(s, width, height, IS_VP7);
259 }
260
261 36 static int vp8_update_dimensions(VP8Context *s, int width, int height)
262 {
263 36 return update_dimensions(s, width, height, IS_VP8);
264 }
265
266
267 433 static void parse_segment_info(VP8Context *s)
268 {
269 433 VP56RangeCoder *c = &s->c;
270 int i;
271
272 433 s->segmentation.update_map = vp8_rac_get(c);
273 433 s->segmentation.update_feature_data = vp8_rac_get(c);
274
275
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 433 if (s->segmentation.update_feature_data) {
276 68 s->segmentation.absolute_vals = vp8_rac_get(c);
277
278
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 340 for (i = 0; i < 4; i++)
279 272 s->segmentation.base_quant[i] = vp8_rac_get_sint(c, 7);
280
281
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 340 for (i = 0; i < 4; i++)
282 272 s->segmentation.filter_level[i] = vp8_rac_get_sint(c, 6);
283 }
284
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 433 if (s->segmentation.update_map)
285
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 272 for (i = 0; i < 3; i++)
286
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 204 s->prob->segmentid[i] = vp8_rac_get(c) ? vp8_rac_get_uint(c, 8) : 255;
287 433 }
288
289 42 static void update_lf_deltas(VP8Context *s)
290 {
291 42 VP56RangeCoder *c = &s->c;
292 int i;
293
294
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 210 for (i = 0; i < 4; i++) {
295
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 168 if (vp8_rac_get(c)) {
296 126 s->lf_delta.ref[i] = vp8_rac_get_uint(c, 6);
297
298
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 126 if (vp8_rac_get(c))
299 84 s->lf_delta.ref[i] = -s->lf_delta.ref[i];
300 }
301 }
302
303
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 210 for (i = MODE_I4x4; i <= VP8_MVMODE_SPLIT; i++) {
304
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 168 if (vp8_rac_get(c)) {
305 168 s->lf_delta.mode[i] = vp8_rac_get_uint(c, 6);
306
307
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 168 if (vp8_rac_get(c))
308 42 s->lf_delta.mode[i] = -s->lf_delta.mode[i];
309 }
310 }
311 42 }
312
313 1112 static int setup_partitions(VP8Context *s, const uint8_t *buf, int buf_size)
314 {
315 1112 const uint8_t *sizes = buf;
316 int i;
317 int ret;
318
319 1112 s->num_coeff_partitions = 1 << vp8_rac_get_uint(&s->c, 2);
320
321 1112 buf += 3 * (s->num_coeff_partitions - 1);
322 1112 buf_size -= 3 * (s->num_coeff_partitions - 1);
323
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 1112 if (buf_size < 0)
324 ✗ return -1;
325
326
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 1451 for (i = 0; i < s->num_coeff_partitions - 1; i++) {
327 339 int size = AV_RL24(sizes + 3 * i);
328
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 339 if (buf_size - size < 0)
329 ✗ return -1;
330 339 s->coeff_partition_size[i] = size;
331
332 339 ret = ff_vp56_init_range_decoder(&s->coeff_partition[i], buf, size);
333
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 339 if (ret < 0)
334 ✗ return ret;
335 339 buf += size;
336 339 buf_size -= size;
337 }
338
339 1112 s->coeff_partition_size[i] = buf_size;
340 1112 ff_vp56_init_range_decoder(&s->coeff_partition[i], buf, buf_size);
341
342 1112 return 0;
343 }
344
345 30 static void vp7_get_quants(VP8Context *s)
346 {
347 30 VP56RangeCoder *c = &s->c;
348
349 30 int yac_qi = vp8_rac_get_uint(c, 7);
350
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 30 int ydc_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi;
351
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 30 int y2dc_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi;
352
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 30 int y2ac_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi;
353
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 30 int uvdc_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi;
354
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 30 int uvac_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi;
355
356 30 s->qmat[0].luma_qmul[0] = vp7_ydc_qlookup[ydc_qi];
357 30 s->qmat[0].luma_qmul[1] = vp7_yac_qlookup[yac_qi];
358 30 s->qmat[0].luma_dc_qmul[0] = vp7_y2dc_qlookup[y2dc_qi];
359 30 s->qmat[0].luma_dc_qmul[1] = vp7_y2ac_qlookup[y2ac_qi];
360 30 s->qmat[0].chroma_qmul[0] = FFMIN(vp7_ydc_qlookup[uvdc_qi], 132);
361 30 s->qmat[0].chroma_qmul[1] = vp7_yac_qlookup[uvac_qi];
362 30 }
363
364 1112 static void vp8_get_quants(VP8Context *s)
365 {
366 1112 VP56RangeCoder *c = &s->c;
367 int i, base_qi;
368
369 1112 s->quant.yac_qi = vp8_rac_get_uint(c, 7);
370 1112 s->quant.ydc_delta = vp8_rac_get_sint(c, 4);
371 1112 s->quant.y2dc_delta = vp8_rac_get_sint(c, 4);
372 1112 s->quant.y2ac_delta = vp8_rac_get_sint(c, 4);
373 1112 s->quant.uvdc_delta = vp8_rac_get_sint(c, 4);
374 1112 s->quant.uvac_delta = vp8_rac_get_sint(c, 4);
375
376
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 5560 for (i = 0; i < 4; i++) {
377
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 4448 if (s->segmentation.enabled) {
378 1732 base_qi = s->segmentation.base_quant[i];
379
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 1732 if (!s->segmentation.absolute_vals)
380 1608 base_qi += s->quant.yac_qi;
381 } else
382 2716 base_qi = s->quant.yac_qi;
383
384 4448 s->qmat[i].luma_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + s->quant.ydc_delta, 7)];
385 4448 s->qmat[i].luma_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi, 7)];
386 4448 s->qmat[i].luma_dc_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + s->quant.y2dc_delta, 7)] * 2;
387 /* 101581>>16 is equivalent to 155/100 */
388 4448 s->qmat[i].luma_dc_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi + s->quant.y2ac_delta, 7)] * 101581 >> 16;
389 4448 s->qmat[i].chroma_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + s->quant.uvdc_delta, 7)];
390 4448 s->qmat[i].chroma_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi + s->quant.uvac_delta, 7)];
391
392 4448 s->qmat[i].luma_dc_qmul[1] = FFMAX(s->qmat[i].luma_dc_qmul[1], 8);
393 4448 s->qmat[i].chroma_qmul[0] = FFMIN(s->qmat[i].chroma_qmul[0], 132);
394 }
395 1112 }
396
397 /**
398 * Determine which buffers golden and altref should be updated with after this frame.
399 * The spec isn't clear here, so I'm going by my understanding of what libvpx does
400 *
401 * Intra frames update all 3 references
402 * Inter frames update VP56_FRAME_PREVIOUS if the update_last flag is set
403 * If the update (golden|altref) flag is set, it's updated with the current frame
404 * if update_last is set, and VP56_FRAME_PREVIOUS otherwise.
405 * If the flag is not set, the number read means:
406 * 0: no update
407 * 1: VP56_FRAME_PREVIOUS
408 * 2: update golden with altref, or update altref with golden
409 */
410 2128 static VP56Frame ref_to_update(VP8Context *s, int update, VP56Frame ref)
411 {
412 2128 VP56RangeCoder *c = &s->c;
413
414
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 2128 if (update)
415 90 return VP56_FRAME_CURRENT;
416
417
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 2038 switch (vp8_rac_get_uint(c, 2)) {
418 31 case 1:
419 31 return VP56_FRAME_PREVIOUS;
420 84 case 2:
421
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 84 return (ref == VP56_FRAME_GOLDEN) ? VP56_FRAME_GOLDEN2 : VP56_FRAME_GOLDEN;
422 }
423 1923 return VP56_FRAME_NONE;
424 }
425
426 49 static void vp78_reset_probability_tables(VP8Context *s)
427 {
428 int i, j;
429
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 245 for (i = 0; i < 4; i++)
430
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 3332 for (j = 0; j < 16; j++)
431 3136 memcpy(s->prob->token[i][j], vp8_token_default_probs[i][vp8_coeff_band[j]],
432 sizeof(s->prob->token[i][j]));
433 49 }
434
435 1142 static void vp78_update_probability_tables(VP8Context *s)
436 {
437 1142 VP56RangeCoder *c = &s->c;
438 int i, j, k, l, m;
439
440
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441
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442
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443
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444
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 1205952 if (vp56_rac_get_prob_branchy(c, vp8_token_update_probs[i][j][k][l])) {
445 7203 int prob = vp8_rac_get_uint(c, 8);
446
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 23838 for (m = 0; vp8_coeff_band_indexes[j][m] >= 0; m++)
447 16635 s->prob->token[i][vp8_coeff_band_indexes[j][m]][k][l] = prob;
448 }
449 1142 }
450
451 #define VP7_MVC_SIZE 17
452 #define VP8_MVC_SIZE 19
453
454 1093 static void vp78_update_pred16x16_pred8x8_mvc_probabilities(VP8Context *s,
455 int mvc_size)
456 {
457 1093 VP56RangeCoder *c = &s->c;
458 int i, j;
459
460
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 1093 if (vp8_rac_get(c))
461
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 10 for (i = 0; i < 4; i++)
462 8 s->prob->pred16x16[i] = vp8_rac_get_uint(c, 8);
463
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 1093 if (vp8_rac_get(c))
464
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 4 for (i = 0; i < 3; i++)
465 3 s->prob->pred8x8c[i] = vp8_rac_get_uint(c, 8);
466
467 // 17.2 MV probability update
468
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469
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470
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 41418 if (vp56_rac_get_prob_branchy(c, vp8_mv_update_prob[i][j]))
471 306 s->prob->mvc[i][j] = vp8_rac_get_nn(c);
472 1093 }
473
474 1064 static void update_refs(VP8Context *s)
475 {
476 1064 VP56RangeCoder *c = &s->c;
477
478 1064 int update_golden = vp8_rac_get(c);
479 1064 int update_altref = vp8_rac_get(c);
480
481 1064 s->update_golden = ref_to_update(s, update_golden, VP56_FRAME_GOLDEN);
482 1064 s->update_altref = ref_to_update(s, update_altref, VP56_FRAME_GOLDEN2);
483 1064 }
484
485 ✗ static void copy_chroma(AVFrame *dst, AVFrame *src, int width, int height)
486 {
487 int i, j;
488
489 ✗ for (j = 1; j < 3; j++) {
490 ✗ for (i = 0; i < height / 2; i++)
491 ✗ memcpy(dst->data[j] + i * dst->linesize[j],
492 ✗ src->data[j] + i * src->linesize[j], width / 2);
493 }
494 }
495
496 ✗ static void fade(uint8_t *dst, ptrdiff_t dst_linesize,
497 const uint8_t *src, ptrdiff_t src_linesize,
498 int width, int height,
499 int alpha, int beta)
500 {
501 int i, j;
502 ✗ for (j = 0; j < height; j++) {
503 ✗ const uint8_t *src2 = src + j * src_linesize;
504 ✗ uint8_t *dst2 = dst + j * dst_linesize;
505 ✗ for (i = 0; i < width; i++) {
506 ✗ uint8_t y = src2[i];
507 ✗ dst2[i] = av_clip_uint8(y + ((y * beta) >> 8) + alpha);
508 }
509 }
510 }
511
512 30 static int vp7_fade_frame(VP8Context *s, int alpha, int beta)
513 {
514 int ret;
515
516
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 30 if (!s->keyframe && (alpha || beta)) {
517 ✗ int width = s->mb_width * 16;
518 ✗ int height = s->mb_height * 16;
519 AVFrame *src, *dst;
520
521 ✗ if (!s->framep[VP56_FRAME_PREVIOUS] ||
522 ✗ !s->framep[VP56_FRAME_GOLDEN]) {
523 ✗ av_log(s->avctx, AV_LOG_WARNING, "Discarding interframe without a prior keyframe!\n");
524 ✗ return AVERROR_INVALIDDATA;
525 }
526
527 ✗ dst =
528 ✗ src = s->framep[VP56_FRAME_PREVIOUS]->tf.f;
529
530 /* preserve the golden frame, write a new previous frame */
531 ✗ if (s->framep[VP56_FRAME_GOLDEN] == s->framep[VP56_FRAME_PREVIOUS]) {
532 ✗ s->framep[VP56_FRAME_PREVIOUS] = vp8_find_free_buffer(s);
533 ✗ if ((ret = vp8_alloc_frame(s, s->framep[VP56_FRAME_PREVIOUS], 1)) < 0)
534 ✗ return ret;
535
536 ✗ dst = s->framep[VP56_FRAME_PREVIOUS]->tf.f;
537
538 ✗ copy_chroma(dst, src, width, height);
539 }
540
541 ✗ fade(dst->data[0], dst->linesize[0],
542 ✗ src->data[0], src->linesize[0],
543 width, height, alpha, beta);
544 }
545
546 30 return 0;
547 }
548
549 30 static int vp7_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
550 {
551 30 VP56RangeCoder *c = &s->c;
552 int part1_size, hscale, vscale, i, j, ret;
553 30 int width = s->avctx->width;
554 30 int height = s->avctx->height;
555 30 int alpha = 0;
556 30 int beta = 0;
557
558
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 30 if (buf_size < 4) {
559 ✗ return AVERROR_INVALIDDATA;
560 }
561
562 30 s->profile = (buf[0] >> 1) & 7;
563
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 30 if (s->profile > 1) {
564 ✗ avpriv_request_sample(s->avctx, "Unknown profile %d", s->profile);
565 ✗ return AVERROR_INVALIDDATA;
566 }
567
568 30 s->keyframe = !(buf[0] & 1);
569 30 s->invisible = 0;
570 30 part1_size = AV_RL24(buf) >> 4;
571
572
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 30 if (buf_size < 4 - s->profile + part1_size) {
573 ✗ av_log(s->avctx, AV_LOG_ERROR, "Buffer size %d is too small, needed : %d\n", buf_size, 4 - s->profile + part1_size);
574 ✗ return AVERROR_INVALIDDATA;
575 }
576
577 30 buf += 4 - s->profile;
578 30 buf_size -= 4 - s->profile;
579
580 30 memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_epel_pixels_tab, sizeof(s->put_pixels_tab));
581
582 30 ret = ff_vp56_init_range_decoder(c, buf, part1_size);
583
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 30 if (ret < 0)
584 ✗ return ret;
585 30 buf += part1_size;
586 30 buf_size -= part1_size;
587
588 /* A. Dimension information (keyframes only) */
589
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 30 if (s->keyframe) {
590 1 width = vp8_rac_get_uint(c, 12);
591 1 height = vp8_rac_get_uint(c, 12);
592 1 hscale = vp8_rac_get_uint(c, 2);
593 1 vscale = vp8_rac_get_uint(c, 2);
594
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 1 if (hscale || vscale)
595 ✗ avpriv_request_sample(s->avctx, "Upscaling");
596
597 1 s->update_golden = s->update_altref = VP56_FRAME_CURRENT;
598 1 vp78_reset_probability_tables(s);
599 1 memcpy(s->prob->pred16x16, vp8_pred16x16_prob_inter,
600 sizeof(s->prob->pred16x16));
601 1 memcpy(s->prob->pred8x8c, vp8_pred8x8c_prob_inter,
602 sizeof(s->prob->pred8x8c));
603
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 3 for (i = 0; i < 2; i++)
604 2 memcpy(s->prob->mvc[i], vp7_mv_default_prob[i],
605 sizeof(vp7_mv_default_prob[i]));
606 1 memset(&s->segmentation, 0, sizeof(s->segmentation));
607 1 memset(&s->lf_delta, 0, sizeof(s->lf_delta));
608 1 memcpy(s->prob[0].scan, ff_zigzag_scan, sizeof(s->prob[0].scan));
609 }
610
611
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 30 if (s->keyframe || s->profile > 0)
612 1 memset(s->inter_dc_pred, 0 , sizeof(s->inter_dc_pred));
613
614 /* B. Decoding information for all four macroblock-level features */
615
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 150 for (i = 0; i < 4; i++) {
616 120 s->feature_enabled[i] = vp8_rac_get(c);
617
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 120 if (s->feature_enabled[i]) {
618 ✗ s->feature_present_prob[i] = vp8_rac_get_uint(c, 8);
619
620 ✗ for (j = 0; j < 3; j++)
621 ✗ s->feature_index_prob[i][j] =
622 ✗ vp8_rac_get(c) ? vp8_rac_get_uint(c, 8) : 255;
623
624 ✗ if (vp7_feature_value_size[s->profile][i])
625 ✗ for (j = 0; j < 4; j++)
626 ✗ s->feature_value[i][j] =
627 ✗ vp8_rac_get(c) ? vp8_rac_get_uint(c, vp7_feature_value_size[s->profile][i]) : 0;
628 }
629 }
630
631 30 s->segmentation.enabled = 0;
632 30 s->segmentation.update_map = 0;
633 30 s->lf_delta.enabled = 0;
634
635 30 s->num_coeff_partitions = 1;
636 30 ret = ff_vp56_init_range_decoder(&s->coeff_partition[0], buf, buf_size);
637
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 30 if (ret < 0)
638 ✗ return ret;
639
640
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 30 if (!s->macroblocks_base || /* first frame */
641
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 29 width != s->avctx->width || height != s->avctx->height ||
642
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 29 (width + 15) / 16 != s->mb_width || (height + 15) / 16 != s->mb_height) {
643
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 1 if ((ret = vp7_update_dimensions(s, width, height)) < 0)
644 ✗ return ret;
645 }
646
647 /* C. Dequantization indices */
648 30 vp7_get_quants(s);
649
650 /* D. Golden frame update flag (a Flag) for interframes only */
651
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 30 if (!s->keyframe) {
652
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 29 s->update_golden = vp8_rac_get(c) ? VP56_FRAME_CURRENT : VP56_FRAME_NONE;
653 29 s->sign_bias[VP56_FRAME_GOLDEN] = 0;
654 }
655
656 30 s->update_last = 1;
657 30 s->update_probabilities = 1;
658 30 s->fade_present = 1;
659
660
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 30 if (s->profile > 0) {
661 ✗ s->update_probabilities = vp8_rac_get(c);
662 ✗ if (!s->update_probabilities)
663 ✗ s->prob[1] = s->prob[0];
664
665 ✗ if (!s->keyframe)
666 ✗ s->fade_present = vp8_rac_get(c);
667 }
668
669
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 30 if (vpX_rac_is_end(c))
670 ✗ return AVERROR_INVALIDDATA;
671 /* E. Fading information for previous frame */
672
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 30 if (s->fade_present && vp8_rac_get(c)) {
673 ✗ alpha = (int8_t) vp8_rac_get_uint(c, 8);
674 ✗ beta = (int8_t) vp8_rac_get_uint(c, 8);
675 }
676
677 /* F. Loop filter type */
678
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 30 if (!s->profile)
679 30 s->filter.simple = vp8_rac_get(c);
680
681 /* G. DCT coefficient ordering specification */
682
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 30 if (vp8_rac_get(c))
683
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 208 for (i = 1; i < 16; i++)
684 195 s->prob[0].scan[i] = ff_zigzag_scan[vp8_rac_get_uint(c, 4)];
685
686 /* H. Loop filter levels */
687
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 30 if (s->profile > 0)
688 ✗ s->filter.simple = vp8_rac_get(c);
689 30 s->filter.level = vp8_rac_get_uint(c, 6);
690 30 s->filter.sharpness = vp8_rac_get_uint(c, 3);
691
692 /* I. DCT coefficient probability update; 13.3 Token Probability Updates */
693 30 vp78_update_probability_tables(s);
694
695 30 s->mbskip_enabled = 0;
696
697 /* J. The remaining frame header data occurs ONLY FOR INTERFRAMES */
698
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 30 if (!s->keyframe) {
699 29 s->prob->intra = vp8_rac_get_uint(c, 8);
700 29 s->prob->last = vp8_rac_get_uint(c, 8);
701 29 vp78_update_pred16x16_pred8x8_mvc_probabilities(s, VP7_MVC_SIZE);
702 }
703
704
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 30 if (vpX_rac_is_end(c))
705 ✗ return AVERROR_INVALIDDATA;
706
707
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 30 if ((ret = vp7_fade_frame(s, alpha, beta)) < 0)
708 ✗ return ret;
709
710 30 return 0;
711 }
712
713 1112 static int vp8_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
714 {
715 1112 VP56RangeCoder *c = &s->c;
716 int header_size, hscale, vscale, ret;
717 1112 int width = s->avctx->width;
718 1112 int height = s->avctx->height;
719
720
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 1112 if (buf_size < 3) {
721 ✗ av_log(s->avctx, AV_LOG_ERROR, "Insufficent data (%d) for header\n", buf_size);
722 ✗ return AVERROR_INVALIDDATA;
723 }
724
725 1112 s->keyframe = !(buf[0] & 1);
726 1112 s->profile = (buf[0]>>1) & 7;
727 1112 s->invisible = !(buf[0] & 0x10);
728 1112 header_size = AV_RL24(buf) >> 5;
729 1112 buf += 3;
730 1112 buf_size -= 3;
731
732 1112 s->header_partition_size = header_size;
733
734
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 1112 if (s->profile > 3)
735 ✗ av_log(s->avctx, AV_LOG_WARNING, "Unknown profile %d\n", s->profile);
736
737
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 1112 if (!s->profile)
738 956 memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_epel_pixels_tab,
739 sizeof(s->put_pixels_tab));
740 else // profile 1-3 use bilinear, 4+ aren't defined so whatever
741 156 memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_bilinear_pixels_tab,
742 sizeof(s->put_pixels_tab));
743
744
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 1112 if (header_size > buf_size - 7 * s->keyframe) {
745 ✗ av_log(s->avctx, AV_LOG_ERROR, "Header size larger than data provided\n");
746 ✗ return AVERROR_INVALIDDATA;
747 }
748
749
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 1112 if (s->keyframe) {
750
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 48 if (AV_RL24(buf) != 0x2a019d) {
751 ✗ av_log(s->avctx, AV_LOG_ERROR,
752 ✗ "Invalid start code 0x%x\n", AV_RL24(buf));
753 ✗ return AVERROR_INVALIDDATA;
754 }
755 48 width = AV_RL16(buf + 3) & 0x3fff;
756 48 height = AV_RL16(buf + 5) & 0x3fff;
757 48 hscale = buf[4] >> 6;
758 48 vscale = buf[6] >> 6;
759 48 buf += 7;
760 48 buf_size -= 7;
761
762
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 48 if (hscale || vscale)
763 ✗ avpriv_request_sample(s->avctx, "Upscaling");
764
765 48 s->update_golden = s->update_altref = VP56_FRAME_CURRENT;
766 48 vp78_reset_probability_tables(s);
767 48 memcpy(s->prob->pred16x16, vp8_pred16x16_prob_inter,
768 sizeof(s->prob->pred16x16));
769 48 memcpy(s->prob->pred8x8c, vp8_pred8x8c_prob_inter,
770 sizeof(s->prob->pred8x8c));
771 48 memcpy(s->prob->mvc, vp8_mv_default_prob,
772 sizeof(s->prob->mvc));
773 48 memset(&s->segmentation, 0, sizeof(s->segmentation));
774 48 memset(&s->lf_delta, 0, sizeof(s->lf_delta));
775 }
776
777 1112 ret = ff_vp56_init_range_decoder(c, buf, header_size);
778
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 1112 if (ret < 0)
779 ✗ return ret;
780 1112 buf += header_size;
781 1112 buf_size -= header_size;
782
783
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 1112 if (s->keyframe) {
784 48 s->colorspace = vp8_rac_get(c);
785
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 48 if (s->colorspace)
786 ✗ av_log(s->avctx, AV_LOG_WARNING, "Unspecified colorspace\n");
787 48 s->fullrange = vp8_rac_get(c);
788 }
789
790
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 1112 if ((s->segmentation.enabled = vp8_rac_get(c)))
791 433 parse_segment_info(s);
792 else
793 679 s->segmentation.update_map = 0; // FIXME: move this to some init function?
794
795 1112 s->filter.simple = vp8_rac_get(c);
796 1112 s->filter.level = vp8_rac_get_uint(c, 6);
797 1112 s->filter.sharpness = vp8_rac_get_uint(c, 3);
798
799
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 1112 if ((s->lf_delta.enabled = vp8_rac_get(c))) {
800 1106 s->lf_delta.update = vp8_rac_get(c);
801
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 1106 if (s->lf_delta.update)
802 42 update_lf_deltas(s);
803 }
804
805
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 1112 if (setup_partitions(s, buf, buf_size)) {
806 ✗ av_log(s->avctx, AV_LOG_ERROR, "Invalid partitions\n");
807 ✗ return AVERROR_INVALIDDATA;
808 }
809
810
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 1112 if (!s->macroblocks_base || /* first frame */
811
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 1085 width != s->avctx->width || height != s->avctx->height ||
812
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 1076 (width+15)/16 != s->mb_width || (height+15)/16 != s->mb_height)
813
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 36 if ((ret = vp8_update_dimensions(s, width, height)) < 0)
814 ✗ return ret;
815
816 1112 vp8_get_quants(s);
817
818
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 1112 if (!s->keyframe) {
819 1064 update_refs(s);
820 1064 s->sign_bias[VP56_FRAME_GOLDEN] = vp8_rac_get(c);
821 1064 s->sign_bias[VP56_FRAME_GOLDEN2 /* altref */] = vp8_rac_get(c);
822 }
823
824 // if we aren't saving this frame's probabilities for future frames,
825 // make a copy of the current probabilities
826
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 1112 if (!(s->update_probabilities = vp8_rac_get(c)))
827 64 s->prob[1] = s->prob[0];
828
829
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 1112 s->update_last = s->keyframe || vp8_rac_get(c);
830
831 1112 vp78_update_probability_tables(s);
832
833
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 1112 if ((s->mbskip_enabled = vp8_rac_get(c)))
834 1106 s->prob->mbskip = vp8_rac_get_uint(c, 8);
835
836
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 1112 if (!s->keyframe) {
837 1064 s->prob->intra = vp8_rac_get_uint(c, 8);
838 1064 s->prob->last = vp8_rac_get_uint(c, 8);
839 1064 s->prob->golden = vp8_rac_get_uint(c, 8);
840 1064 vp78_update_pred16x16_pred8x8_mvc_probabilities(s, VP8_MVC_SIZE);
841 }
842
843 // Record the entropy coder state here so that hwaccels can use it.
844 1112 s->c.code_word = vp56_rac_renorm(&s->c);
845 1112 s->coder_state_at_header_end.input = s->c.buffer - (-s->c.bits / 8);
846 1112 s->coder_state_at_header_end.range = s->c.high;
847 1112 s->coder_state_at_header_end.value = s->c.code_word >> 16;
848 1112 s->coder_state_at_header_end.bit_count = -s->c.bits % 8;
849
850 1112 return 0;
851 }
852
853 static av_always_inline
854 57174 void clamp_mv(VP8mvbounds *s, VP56mv *dst, const VP56mv *src)
855 {
856 57174 dst->x = av_clip(src->x, av_clip(s->mv_min.x, INT16_MIN, INT16_MAX),
857 av_clip(s->mv_max.x, INT16_MIN, INT16_MAX));
858 57174 dst->y = av_clip(src->y, av_clip(s->mv_min.y, INT16_MIN, INT16_MAX),
859 av_clip(s->mv_max.y, INT16_MIN, INT16_MAX));
860 57174 }
861
862 /**
863 * Motion vector coding, 17.1.
864 */
865 84886 static av_always_inline int read_mv_component(VP56RangeCoder *c, const uint8_t *p, int vp7)
866 {
867 84886 int bit, x = 0;
868
869
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 84886 if (vp56_rac_get_prob_branchy(c, p[0])) {
870 int i;
871
872
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 79804 for (i = 0; i < 3; i++)
873 59853 x += vp56_rac_get_prob(c, p[9 + i]) << i;
874
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 139657 for (i = (vp7 ? 7 : 9); i > 3; i--)
875 119706 x += vp56_rac_get_prob(c, p[9 + i]) << i;
876
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 19951 if (!(x & (vp7 ? 0xF0 : 0xFFF0)) || vp56_rac_get_prob(c, p[12]))
877 13304 x += 8;
878 } else {
879 // small_mvtree
880 64935 const uint8_t *ps = p + 2;
881 64935 bit = vp56_rac_get_prob(c, *ps);
882 64935 ps += 1 + 3 * bit;
883 64935 x += 4 * bit;
884 64935 bit = vp56_rac_get_prob(c, *ps);
885 64935 ps += 1 + bit;
886 64935 x += 2 * bit;
887 64935 x += vp56_rac_get_prob(c, *ps);
888 }
889
890
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 84886 return (x && vp56_rac_get_prob(c, p[1])) ? -x : x;
891 }
892
893 ✗ static int vp7_read_mv_component(VP56RangeCoder *c, const uint8_t *p)
894 {
895 ✗ return read_mv_component(c, p, 1);
896 }
897
898 28388 static int vp8_read_mv_component(VP56RangeCoder *c, const uint8_t *p)
899 {
900 28388 return read_mv_component(c, p, 0);
901 }
902
903 static av_always_inline
904 136556 const uint8_t *get_submv_prob(uint32_t left, uint32_t top, int is_vp7)
905 {
906
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 136556 if (is_vp7)
907 ✗ return vp7_submv_prob;
908
909
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 136556 if (left == top)
910
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 58677 return vp8_submv_prob[4 - !!left];
911
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 77879 if (!top)
912 18933 return vp8_submv_prob[2];
913 58946 return vp8_submv_prob[1 - !!left];
914 }
915
916 /**
917 * Split motion vector prediction, 16.4.
918 * @returns the number of motion vectors parsed (2, 4 or 16)
919 */
920 static av_always_inline
921 18325 int decode_splitmvs(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb,
922 int layout, int is_vp7)
923 {
924 int part_idx;
925 int n, num;
926 VP8Macroblock *top_mb;
927 18325 VP8Macroblock *left_mb = &mb[-1];
928 18325 const uint8_t *mbsplits_left = vp8_mbsplits[left_mb->partitioning];
929 const uint8_t *mbsplits_top, *mbsplits_cur, *firstidx;
930 VP56mv *top_mv;
931 18325 VP56mv *left_mv = left_mb->bmv;
932 18325 VP56mv *cur_mv = mb->bmv;
933
934
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 18325 if (!layout) // layout is inlined, s->mb_layout is not
935 18325 top_mb = &mb[2];
936 else
937 ✗ top_mb = &mb[-s->mb_width - 1];
938 18325 mbsplits_top = vp8_mbsplits[top_mb->partitioning];
939 18325 top_mv = top_mb->bmv;
940
941
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 18325 if (vp56_rac_get_prob_branchy(c, vp8_mbsplit_prob[0])) {
942
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 11713 if (vp56_rac_get_prob_branchy(c, vp8_mbsplit_prob[1]))
943 8044 part_idx = VP8_SPLITMVMODE_16x8 + vp56_rac_get_prob(c, vp8_mbsplit_prob[2]);
944 else
945 3669 part_idx = VP8_SPLITMVMODE_8x8;
946 } else {
947 6612 part_idx = VP8_SPLITMVMODE_4x4;
948 }
949
950 18325 num = vp8_mbsplit_count[part_idx];
951 18325 mbsplits_cur = vp8_mbsplits[part_idx],
952 18325 firstidx = vp8_mbfirstidx[part_idx];
953 18325 mb->partitioning = part_idx;
954
955
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 154881 for (n = 0; n < num; n++) {
956 136556 int k = firstidx[n];
957 uint32_t left, above;
958 const uint8_t *submv_prob;
959
960
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 136556 if (!(k & 3))
961 46739 left = AV_RN32A(&left_mv[mbsplits_left[k + 3]]);
962 else
963 89817 left = AV_RN32A(&cur_mv[mbsplits_cur[k - 1]]);
964
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 136556 if (k <= 3)
965 44965 above = AV_RN32A(&top_mv[mbsplits_top[k + 12]]);
966 else
967 91591 above = AV_RN32A(&cur_mv[mbsplits_cur[k - 4]]);
968
969 136556 submv_prob = get_submv_prob(left, above, is_vp7);
970
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 136556 if (vp56_rac_get_prob_branchy(c, submv_prob[0])) {
972
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 50605 if (vp56_rac_get_prob_branchy(c, submv_prob[1])) {
973
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 31737 if (vp56_rac_get_prob_branchy(c, submv_prob[2])) {
974 56498 mb->bmv[n].y = mb->mv.y +
975 28249 read_mv_component(c, s->prob->mvc[0], is_vp7);
976 28249 mb->bmv[n].x = mb->mv.x +
977 28249 read_mv_component(c, s->prob->mvc[1], is_vp7);
978 } else {
979 3488 AV_ZERO32(&mb->bmv[n]);
980 }
981 } else {
982 18868 AV_WN32A(&mb->bmv[n], above);
983 }
984 } else {
985 85951 AV_WN32A(&mb->bmv[n], left);
986 }
987 }
988
989 18325 return num;
990 }
991
992 /**
993 * The vp7 reference decoder uses a padding macroblock column (added to right
994 * edge of the frame) to guard against illegal macroblock offsets. The
995 * algorithm has bugs that permit offsets to straddle the padding column.
996 * This function replicates those bugs.
997 *
998 * @param[out] edge_x macroblock x address
999 * @param[out] edge_y macroblock y address
1000 *
1001 * @return macroblock offset legal (boolean)
1002 */
1003 76560 static int vp7_calculate_mb_offset(int mb_x, int mb_y, int mb_width,
1004 int xoffset, int yoffset, int boundary,
1005 int *edge_x, int *edge_y)
1006 {
1007 76560 int vwidth = mb_width + 1;
1008 76560 int new = (mb_y + yoffset) * vwidth + mb_x + xoffset;
1009
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 76560 if (new < boundary || new % vwidth == vwidth - 1)
1010 11861 return 0;
1011 64699 *edge_y = new / vwidth;
1012 64699 *edge_x = new % vwidth;
1013 64699 return 1;
1014 }
1015
1016 64699 static const VP56mv *get_bmv_ptr(const VP8Macroblock *mb, int subblock)
1017 {
1018
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 64699 return &mb->bmv[mb->mode == VP8_MVMODE_SPLIT ? vp8_mbsplits[mb->partitioning][subblock] : 0];
1019 }
1020
1021 static av_always_inline
1022 6380 void vp7_decode_mvs(VP8Context *s, VP8Macroblock *mb,
1023 int mb_x, int mb_y, int layout)
1024 {
1025 VP8Macroblock *mb_edge[12];
1026 enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR };
1027 enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
1028 6380 int idx = CNT_ZERO;
1029 VP56mv near_mv[3];
1030 6380 uint8_t cnt[3] = { 0 };
1031 6380 VP56RangeCoder *c = &s->c;
1032 int i;
1033
1034 6380 AV_ZERO32(&near_mv[0]);
1035 6380 AV_ZERO32(&near_mv[1]);
1036 6380 AV_ZERO32(&near_mv[2]);
1037
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 82940 for (i = 0; i < VP7_MV_PRED_COUNT; i++) {
1039 76560 const VP7MVPred * pred = &vp7_mv_pred[i];
1040 int edge_x, edge_y;
1041
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 76560 if (vp7_calculate_mb_offset(mb_x, mb_y, s->mb_width, pred->xoffset,
1043 76560 pred->yoffset, !s->profile, &edge_x, &edge_y)) {
1044 129398 VP8Macroblock *edge = mb_edge[i] = (s->mb_layout == 1)
1045 64699 ? s->macroblocks_base + 1 + edge_x +
1046 64699 (s->mb_width + 1) * (edge_y + 1)
1047
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 64699 : s->macroblocks + edge_x +
1048 ✗ (s->mb_height - edge_y - 1) * 2;
1049 64699 uint32_t mv = AV_RN32A(get_bmv_ptr(edge, vp7_mv_pred[i].subblock));
1050
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 64699 if (mv) {
1051 ✗ if (AV_RN32A(&near_mv[CNT_NEAREST])) {
1052 ✗ if (mv == AV_RN32A(&near_mv[CNT_NEAREST])) {
1053 ✗ idx = CNT_NEAREST;
1054 ✗ } else if (AV_RN32A(&near_mv[CNT_NEAR])) {
1055 ✗ if (mv != AV_RN32A(&near_mv[CNT_NEAR]))
1056 ✗ continue;
1057 ✗ idx = CNT_NEAR;
1058 } else {
1059 ✗ AV_WN32A(&near_mv[CNT_NEAR], mv);
1060 ✗ idx = CNT_NEAR;
1061 }
1062 } else {
1063 ✗ AV_WN32A(&near_mv[CNT_NEAREST], mv);
1064 ✗ idx = CNT_NEAREST;
1065 }
1066 } else {
1067 64699 idx = CNT_ZERO;
1068 }
1069 } else {
1070 11861 idx = CNT_ZERO;
1071 }
1072 76560 cnt[idx] += vp7_mv_pred[i].score;
1073 }
1074
1075 6380 mb->partitioning = VP8_SPLITMVMODE_NONE;
1076
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 6380 if (vp56_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_ZERO]][0])) {
1078 ✗ mb->mode = VP8_MVMODE_MV;
1079
1080 ✗ if (vp56_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAREST]][1])) {
1081
1082 ✗ if (vp56_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAR]][2])) {
1083
1084 ✗ if (cnt[CNT_NEAREST] > cnt[CNT_NEAR])
1085 ✗ AV_WN32A(&mb->mv, cnt[CNT_ZERO] > cnt[CNT_NEAREST] ? 0 : AV_RN32A(&near_mv[CNT_NEAREST]));
1086 else
1087 ✗ AV_WN32A(&mb->mv, cnt[CNT_ZERO] > cnt[CNT_NEAR] ? 0 : AV_RN32A(&near_mv[CNT_NEAR]));
1088
1089 ✗ if (vp56_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAR]][3])) {
1090 ✗ mb->mode = VP8_MVMODE_SPLIT;
1091 ✗ mb->mv = mb->bmv[decode_splitmvs(s, c, mb, layout, IS_VP7) - 1];
1092 } else {
1093 ✗ mb->mv.y += vp7_read_mv_component(c, s->prob->mvc[0]);
1094 ✗ mb->mv.x += vp7_read_mv_component(c, s->prob->mvc[1]);
1095 ✗ mb->bmv[0] = mb->mv;
1096 }
1097 } else {
1098 ✗ mb->mv = near_mv[CNT_NEAR];
1099 ✗ mb->bmv[0] = mb->mv;
1100 }
1101 } else {
1102 ✗ mb->mv = near_mv[CNT_NEAREST];
1103 ✗ mb->bmv[0] = mb->mv;
1104 }
1105 } else {
1106 6380 mb->mode = VP8_MVMODE_ZERO;
1107 6380 AV_ZERO32(&mb->mv);
1108 6380 mb->bmv[0] = mb->mv;
1109 }
1110 6380 }
1111
1112 static av_always_inline
1113 379497 void vp8_decode_mvs(VP8Context *s, VP8mvbounds *mv_bounds, VP8Macroblock *mb,
1114 int mb_x, int mb_y, int layout)
1115 {
1116 379497 VP8Macroblock *mb_edge[3] = { 0 /* top */,
1117 379497 mb - 1 /* left */,
1118 0 /* top-left */ };
1119 enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR, CNT_SPLITMV };
1120 enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
1121 379497 int idx = CNT_ZERO;
1122 379497 int cur_sign_bias = s->sign_bias[mb->ref_frame];
1123 379497 int8_t *sign_bias = s->sign_bias;
1124 VP56mv near_mv[4];
1125 379497 uint8_t cnt[4] = { 0 };
1126 379497 VP56RangeCoder *c = &s->c;
1127
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 379497 if (!layout) { // layout is inlined (s->mb_layout is not)
1129 379497 mb_edge[0] = mb + 2;
1130 379497 mb_edge[2] = mb + 1;
1131 } else {
1132 ✗ mb_edge[0] = mb - s->mb_width - 1;
1133 ✗ mb_edge[2] = mb - s->mb_width - 2;
1134 }
1135
1136 379497 AV_ZERO32(&near_mv[0]);
1137 379497 AV_ZERO32(&near_mv[1]);
1138 379497 AV_ZERO32(&near_mv[2]);
1139
1140 /* Process MB on top, left and top-left */
1141 #define MV_EDGE_CHECK(n) \
1142 { \
1143 VP8Macroblock *edge = mb_edge[n]; \
1144 int edge_ref = edge->ref_frame; \
1145 if (edge_ref != VP56_FRAME_CURRENT) { \
1146 uint32_t mv = AV_RN32A(&edge->mv); \
1147 if (mv) { \
1148 if (cur_sign_bias != sign_bias[edge_ref]) { \
1149 /* SWAR negate of the values in mv. */ \
1150 mv = ~mv; \
1151 mv = ((mv & 0x7fff7fff) + \
1152 0x00010001) ^ (mv & 0x80008000); \
1153 } \
1154 if (!n || mv != AV_RN32A(&near_mv[idx])) \
1155 AV_WN32A(&near_mv[++idx], mv); \
1156 cnt[idx] += 1 + (n != 2); \
1157 } else \
1158 cnt[CNT_ZERO] += 1 + (n != 2); \
1159 } \
1160 }
1161
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 379497 MV_EDGE_CHECK(0)
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 379497 MV_EDGE_CHECK(1)
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 379497 MV_EDGE_CHECK(2)
1165
1166 379497 mb->partitioning = VP8_SPLITMVMODE_NONE;
1167
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 379497 if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_ZERO]][0])) {
1168 57174 mb->mode = VP8_MVMODE_MV;
1169
1170 /* If we have three distinct MVs, merge first and last if they're the same */
1171
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 57174 if (cnt[CNT_SPLITMV] &&
1172
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 12759 AV_RN32A(&near_mv[1 + VP8_EDGE_TOP]) == AV_RN32A(&near_mv[1 + VP8_EDGE_TOPLEFT]))
1173 5465 cnt[CNT_NEAREST] += 1;
1174
1175 /* Swap near and nearest if necessary */
1176
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 57174 if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) {
1177 4482 FFSWAP(uint8_t, cnt[CNT_NEAREST], cnt[CNT_NEAR]);
1178 4482 FFSWAP( VP56mv, near_mv[CNT_NEAREST], near_mv[CNT_NEAR]);
1179 }
1180
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 57174 if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAREST]][1])) {
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 37607 if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAR]][2])) {
1183 /* Choose the best mv out of 0,0 and the nearest mv */
1184 32519 clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_ZERO + (cnt[CNT_NEAREST] >= cnt[CNT_ZERO])]);
1185 32519 cnt[CNT_SPLITMV] = ((mb_edge[VP8_EDGE_LEFT]->mode == VP8_MVMODE_SPLIT) +
1186 32519 (mb_edge[VP8_EDGE_TOP]->mode == VP8_MVMODE_SPLIT)) * 2 +
1187 32519 (mb_edge[VP8_EDGE_TOPLEFT]->mode == VP8_MVMODE_SPLIT);
1188
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 32519 if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_SPLITMV]][3])) {
1190 18325 mb->mode = VP8_MVMODE_SPLIT;
1191 18325 mb->mv = mb->bmv[decode_splitmvs(s, c, mb, layout, IS_VP8) - 1];
1192 } else {
1193 14194 mb->mv.y += vp8_read_mv_component(c, s->prob->mvc[0]);
1194 14194 mb->mv.x += vp8_read_mv_component(c, s->prob->mvc[1]);
1195 14194 mb->bmv[0] = mb->mv;
1196 }
1197 } else {
1198 5088 clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_NEAR]);
1199 5088 mb->bmv[0] = mb->mv;
1200 }
1201 } else {
1202 19567 clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_NEAREST]);
1203 19567 mb->bmv[0] = mb->mv;
1204 }
1205 } else {
1206 322323 mb->mode = VP8_MVMODE_ZERO;
1207 322323 AV_ZERO32(&mb->mv);
1208 322323 mb->bmv[0] = mb->mv;
1209 }
1210 379497 }
1211
1212 static av_always_inline
1213 17675 void decode_intra4x4_modes(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb,
1214 int mb_x, int keyframe, int layout)
1215 {
1216 17675 uint8_t *intra4x4 = mb->intra4x4_pred_mode_mb;
1217
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 17675 if (layout) {
1219 33 VP8Macroblock *mb_top = mb - s->mb_width - 1;
1220 33 memcpy(mb->intra4x4_pred_mode_top, mb_top->intra4x4_pred_mode_top, 4);
1221 }
1222
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 17675 if (keyframe) {
1223 int x, y;
1224 uint8_t *top;
1225 10822 uint8_t *const left = s->intra4x4_pred_mode_left;
1226
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 10822 if (layout)
1227 33 top = mb->intra4x4_pred_mode_top;
1228 else
1229 10789 top = s->intra4x4_pred_mode_top + 4 * mb_x;
1230
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 54110 for (y = 0; y < 4; y++) {
1231
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 216440 for (x = 0; x < 4; x++) {
1232 const uint8_t *ctx;
1233 173152 ctx = vp8_pred4x4_prob_intra[top[x]][left[y]];
1234 173152 *intra4x4 = vp8_rac_get_tree(c, vp8_pred4x4_tree, ctx);
1235 173152 left[y] = top[x] = *intra4x4;
1236 173152 intra4x4++;
1237 }
1238 }
1239 } else {
1240 int i;
1241
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 116501 for (i = 0; i < 16; i++)
1242 109648 intra4x4[i] = vp8_rac_get_tree(c, vp8_pred4x4_tree,
1243 vp8_pred4x4_prob_inter);
1244 }
1245 17675 }
1246
1247 static av_always_inline
1248 443209 void decode_mb_mode(VP8Context *s, VP8mvbounds *mv_bounds,
1249 VP8Macroblock *mb, int mb_x, int mb_y,
1250 uint8_t *segment, uint8_t *ref, int layout, int is_vp7)
1251 {
1252 443209 VP56RangeCoder *c = &s->c;
1253 static const char * const vp7_feature_name[] = { "q-index",
1254 "lf-delta",
1255 "partial-golden-update",
1256 "blit-pitch" };
1257
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 443209 if (is_vp7) {
1258 int i;
1259 6600 *segment = 0;
1260
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 33000 for (i = 0; i < 4; i++) {
1261
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 26400 if (s->feature_enabled[i]) {
1262 ✗ if (vp56_rac_get_prob_branchy(c, s->feature_present_prob[i])) {
1263 ✗ int index = vp8_rac_get_tree(c, vp7_feature_index_tree,
1264 ✗ s->feature_index_prob[i]);
1265 ✗ av_log(s->avctx, AV_LOG_WARNING,
1266 "Feature %s present in macroblock (value 0x%x)\n",
1267 ✗ vp7_feature_name[i], s->feature_value[i][index]);
1268 }
1269 }
1270 }
1271
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 436609 } else if (s->segmentation.update_map) {
1272 8289 int bit = vp56_rac_get_prob(c, s->prob->segmentid[0]);
1273 8289 *segment = vp56_rac_get_prob(c, s->prob->segmentid[1+bit]) + 2*bit;
1274
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 428320 } else if (s->segmentation.enabled)
1275
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 94425 *segment = ref ? *ref : *segment;
1276 443209 mb->segment = *segment;
1277
1278
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 443209 mb->skip = s->mbskip_enabled ? vp56_rac_get_prob(c, s->prob->mbskip) : 0;
1279
1280
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 443209 if (s->keyframe) {
1281 32872 mb->mode = vp8_rac_get_tree(c, vp8_pred16x16_tree_intra,
1282 vp8_pred16x16_prob_intra);
1283
1284
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 32872 if (mb->mode == MODE_I4x4) {
1285 10822 decode_intra4x4_modes(s, c, mb, mb_x, 1, layout);
1286 } else {
1287 22050 const uint32_t modes = (is_vp7 ? vp7_pred4x4_mode
1288
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 22050 : vp8_pred4x4_mode)[mb->mode] * 0x01010101u;
1289
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 22050 if (s->mb_layout)
1290 187 AV_WN32A(mb->intra4x4_pred_mode_top, modes);
1291 else
1292 21863 AV_WN32A(s->intra4x4_pred_mode_top + 4 * mb_x, modes);
1293 22050 AV_WN32A(s->intra4x4_pred_mode_left, modes);
1294 }
1295
1296 32872 mb->chroma_pred_mode = vp8_rac_get_tree(c, vp8_pred8x8c_tree,
1297 vp8_pred8x8c_prob_intra);
1298 32872 mb->ref_frame = VP56_FRAME_CURRENT;
1299
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 410337 } else if (vp56_rac_get_prob_branchy(c, s->prob->intra)) {
1300 // inter MB, 16.2
1301
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 385877 if (vp56_rac_get_prob_branchy(c, s->prob->last))
1302
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 34528 mb->ref_frame =
1303
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 17248 (!is_vp7 && vp56_rac_get_prob(c, s->prob->golden)) ? VP56_FRAME_GOLDEN2 /* altref */
1304 : VP56_FRAME_GOLDEN;
1305 else
1306 368597 mb->ref_frame = VP56_FRAME_PREVIOUS;
1307 385877 s->ref_count[mb->ref_frame - 1]++;
1308
1309 // motion vectors, 16.3
1310
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 385877 if (is_vp7)
1311 6380 vp7_decode_mvs(s, mb, mb_x, mb_y, layout);
1312 else
1313 379497 vp8_decode_mvs(s, mv_bounds, mb, mb_x, mb_y, layout);
1314 } else {
1315 // intra MB, 16.1
1316 24460 mb->mode = vp8_rac_get_tree(c, vp8_pred16x16_tree_inter, s->prob->pred16x16);
1317
1318
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 24460 if (mb->mode == MODE_I4x4)
1319 6853 decode_intra4x4_modes(s, c, mb, mb_x, 0, layout);
1320
1321 48920 mb->chroma_pred_mode = vp8_rac_get_tree(c, vp8_pred8x8c_tree,
1322 24460 s->prob->pred8x8c);
1323 24460 mb->ref_frame = VP56_FRAME_CURRENT;
1324 24460 mb->partitioning = VP8_SPLITMVMODE_NONE;
1325 24460 AV_ZERO32(&mb->bmv[0]);
1326 }
1327 443209 }
1328
1329 /**
1330 * @param r arithmetic bitstream reader context
1331 * @param block destination for block coefficients
1332 * @param probs probabilities to use when reading trees from the bitstream
1333 * @param i initial coeff index, 0 unless a separate DC block is coded
1334 * @param qmul array holding the dc/ac dequant factor at position 0/1
1335 *
1336 * @return 0 if no coeffs were decoded
1337 * otherwise, the index of the last coeff decoded plus one
1338 */
1339 static av_always_inline
1340 393067 int decode_block_coeffs_internal(VP56RangeCoder *r, int16_t block[16],
1341 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1342 int i, uint8_t *token_prob, int16_t qmul[2],
1343 const uint8_t scan[16], int vp7)
1344 {
1345 393067 VP56RangeCoder c = *r;
1346 393067 goto skip_eob;
1347 do {
1348 int coeff;
1349 1101534 restart:
1350
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 1103653 if (!vp56_rac_get_prob_branchy(&c, token_prob[0])) // DCT_EOB
1351 373414 break;
1352
1353 730239 skip_eob:
1354
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 1956826 if (!vp56_rac_get_prob_branchy(&c, token_prob[1])) { // DCT_0
1355
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 835639 if (++i == 16)
1356 ✗ break; // invalid input; blocks should end with EOB
1357 835639 token_prob = probs[i][0];
1358
2/2
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 835639 if (vp7)
1359 2119 goto restart;
1360 833520 goto skip_eob;
1361 }
1362
1363
2/2
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✓ Branch 2 taken 401726 times.
 1121187 if (!vp56_rac_get_prob_branchy(&c, token_prob[2])) { // DCT_1
1364 719461 coeff = 1;
1365 719461 token_prob = probs[i + 1][1];
1366 } else {
1367
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 401726 if (!vp56_rac_get_prob_branchy(&c, token_prob[3])) { // DCT 2,3,4
1368 274407 coeff = vp56_rac_get_prob_branchy(&c, token_prob[4]);
1369
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 274407 if (coeff)
1370 113420 coeff += vp56_rac_get_prob(&c, token_prob[5]);
1371 274407 coeff += 2;
1372 } else {
1373 // DCT_CAT*
1374
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 127319 if (!vp56_rac_get_prob_branchy(&c, token_prob[6])) {
1375
2/2
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✓ Branch 2 taken 38226 times.
 83429 if (!vp56_rac_get_prob_branchy(&c, token_prob[7])) { // DCT_CAT1
1376 45203 coeff = 5 + vp56_rac_get_prob(&c, vp8_dct_cat1_prob[0]);
1377 } else { // DCT_CAT2
1378 38226 coeff = 7;
1379 38226 coeff += vp56_rac_get_prob(&c, vp8_dct_cat2_prob[0]) << 1;
1380 38226 coeff += vp56_rac_get_prob(&c, vp8_dct_cat2_prob[1]);
1381 }
1382 } else { // DCT_CAT3 and up
1383 43890 int a = vp56_rac_get_prob(&c, token_prob[8]);
1384 43890 int b = vp56_rac_get_prob(&c, token_prob[9 + a]);
1385 43890 int cat = (a << 1) + b;
1386 43890 coeff = 3 + (8 << cat);
1387 43890 coeff += vp8_rac_get_coeff(&c, ff_vp8_dct_cat_prob[cat]);
1388 }
1389 }
1390 401726 token_prob = probs[i + 1][2];
1391 }
1392
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 1121187 block[scan[i]] = (vp8_rac_get(&c) ? -coeff : coeff) * qmul[!!i];
1393
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 1121187 } while (++i < 16);
1394
1395 393067 *r = c;
1396 393067 return i;
1397 }
1398
1399 static av_always_inline
1400 6380 int inter_predict_dc(int16_t block[16], int16_t pred[2])
1401 {
1402 6380 int16_t dc = block[0];
1403 6380 int ret = 0;
1404
1405
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 6380 if (pred[1] > 3) {
1406 ✗ dc += pred[0];
1407 ✗ ret = 1;
1408 }
1409
1410
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 6380 if (!pred[0] | !dc | ((int32_t)pred[0] ^ (int32_t)dc) >> 31) {
1411 6380 block[0] = pred[0] = dc;
1412 6380 pred[1] = 0;
1413 } else {
1414 ✗ if (pred[0] == dc)
1415 ✗ pred[1]++;
1416 ✗ block[0] = pred[0] = dc;
1417 }
1418
1419 6380 return ret;
1420 }
1421
1422 734 static int vp7_decode_block_coeffs_internal(VP56RangeCoder *r,
1423 int16_t block[16],
1424 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1425 int i, uint8_t *token_prob,
1426 int16_t qmul[2],
1427 const uint8_t scan[16])
1428 {
1429 734 return decode_block_coeffs_internal(r, block, probs, i,
1430 token_prob, qmul, scan, IS_VP7);
1431 }
1432
1433 #ifndef vp8_decode_block_coeffs_internal
1434 392333 static int vp8_decode_block_coeffs_internal(VP56RangeCoder *r,
1435 int16_t block[16],
1436 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1437 int i, uint8_t *token_prob,
1438 int16_t qmul[2])
1439 {
1440 392333 return decode_block_coeffs_internal(r, block, probs, i,
1441 token_prob, qmul, ff_zigzag_scan, IS_VP8);
1442 }
1443 #endif
1444
1445 /**
1446 * @param c arithmetic bitstream reader context
1447 * @param block destination for block coefficients
1448 * @param probs probabilities to use when reading trees from the bitstream
1449 * @param i initial coeff index, 0 unless a separate DC block is coded
1450 * @param zero_nhood the initial prediction context for number of surrounding
1451 * all-zero blocks (only left/top, so 0-2)
1452 * @param qmul array holding the dc/ac dequant factor at position 0/1
1453 * @param scan scan pattern (VP7 only)
1454 *
1455 * @return 0 if no coeffs were decoded
1456 * otherwise, the index of the last coeff decoded plus one
1457 */
1458 static av_always_inline
1459 2050151 int decode_block_coeffs(VP56RangeCoder *c, int16_t block[16],
1460 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1461 int i, int zero_nhood, int16_t qmul[2],
1462 const uint8_t scan[16], int vp7)
1463 {
1464 2050151 uint8_t *token_prob = probs[i][zero_nhood];
1465
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 2050151 if (!vp56_rac_get_prob_branchy(c, token_prob[0])) // DCT_EOB
1466 1657084 return 0;
1467 734 return vp7 ? vp7_decode_block_coeffs_internal(c, block, probs, i,
1468 token_prob, qmul, scan)
1469
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 393801 : vp8_decode_block_coeffs_internal(c, block, probs, i,
1470 token_prob, qmul);
1471 }
1472
1473 static av_always_inline
1474 83297 void decode_mb_coeffs(VP8Context *s, VP8ThreadData *td, VP56RangeCoder *c,
1475 VP8Macroblock *mb, uint8_t t_nnz[9], uint8_t l_nnz[9],
1476 int is_vp7)
1477 {
1478 83297 int i, x, y, luma_start = 0, luma_ctx = 3;
1479 83297 int nnz_pred, nnz, nnz_total = 0;
1480 83297 int segment = mb->segment;
1481 83297 int block_dc = 0;
1482
1483
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 83297 if (mb->mode != MODE_I4x4 && (is_vp7 || mb->mode != VP8_MVMODE_SPLIT)) {
1484 51023 nnz_pred = t_nnz[8] + l_nnz[8];
1485
1486 // decode DC values and do hadamard
1487 51023 nnz = decode_block_coeffs(c, td->block_dc, s->prob->token[1], 0,
1488 51023 nnz_pred, s->qmat[segment].luma_dc_qmul,
1489 ff_zigzag_scan, is_vp7);
1490 51023 l_nnz[8] = t_nnz[8] = !!nnz;
1491
1492
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 51023 if (is_vp7 && mb->mode > MODE_I4x4) {
1493 6380 nnz |= inter_predict_dc(td->block_dc,
1494 6380 s->inter_dc_pred[mb->ref_frame - 1]);
1495 }
1496
1497
2/2
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 51023 if (nnz) {
1498 34741 nnz_total += nnz;
1499 34741 block_dc = 1;
1500
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 34741 if (nnz == 1)
1501 10303 s->vp8dsp.vp8_luma_dc_wht_dc(td->block, td->block_dc);
1502 else
1503 24438 s->vp8dsp.vp8_luma_dc_wht(td->block, td->block_dc);
1504 }
1505 51023 luma_start = 1;
1506 51023 luma_ctx = 0;
1507 }
1508
1509 // luma blocks
1510
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 416485 for (y = 0; y < 4; y++)
1511
2/2
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 1665940 for (x = 0; x < 4; x++) {
1512 1332752 nnz_pred = l_nnz[y] + t_nnz[x];
1513 1332752 nnz = decode_block_coeffs(c, td->block[y][x],
1514 1332752 s->prob->token[luma_ctx],
1515 luma_start, nnz_pred,
1516 1332752 s->qmat[segment].luma_qmul,
1517 1332752 s->prob[0].scan, is_vp7);
1518 /* nnz+block_dc may be one more than the actual last index,
1519 * but we don't care */
1520 1332752 td->non_zero_count_cache[y][x] = nnz + block_dc;
1521 1332752 t_nnz[x] = l_nnz[y] = !!nnz;
1522 1332752 nnz_total += nnz;
1523 }
1524
1525 // chroma blocks
1526 // TODO: what to do about dimensions? 2nd dim for luma is x,
1527 // but for chroma it's (y<<1)|x
1528
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 249891 for (i = 4; i < 6; i++)
1529
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 499782 for (y = 0; y < 2; y++)
1530
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 999564 for (x = 0; x < 2; x++) {
1531 666376 nnz_pred = l_nnz[i + 2 * y] + t_nnz[i + 2 * x];
1532 666376 nnz = decode_block_coeffs(c, td->block[i][(y << 1) + x],
1533 666376 s->prob->token[2], 0, nnz_pred,
1534 666376 s->qmat[segment].chroma_qmul,
1535 666376 s->prob[0].scan, is_vp7);
1536 666376 td->non_zero_count_cache[i][(y << 1) + x] = nnz;
1537 666376 t_nnz[i + 2 * x] = l_nnz[i + 2 * y] = !!nnz;
1538 666376 nnz_total += nnz;
1539 }
1540
1541 // if there were no coded coeffs despite the macroblock not being marked skip,
1542 // we MUST not do the inner loop filter and should not do IDCT
1543 // Since skip isn't used for bitstream prediction, just manually set it.
1544
2/2
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 83297 if (!nnz_total)
1545 6457 mb->skip = 1;
1546 83297 }
1547
1548 static av_always_inline
1549 424229 void backup_mb_border(uint8_t *top_border, uint8_t *src_y,
1550 uint8_t *src_cb, uint8_t *src_cr,
1551 ptrdiff_t linesize, ptrdiff_t uvlinesize, int simple)
1552 {
1553 424229 AV_COPY128(top_border, src_y + 15 * linesize);
1554
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 424229 if (!simple) {
1555 416507 AV_COPY64(top_border + 16, src_cb + 7 * uvlinesize);
1556 416507 AV_COPY64(top_border + 24, src_cr + 7 * uvlinesize);
1557 }
1558 424229 }
1559
1560 static av_always_inline
1561 84130 void xchg_mb_border(uint8_t *top_border, uint8_t *src_y, uint8_t *src_cb,
1562 uint8_t *src_cr, ptrdiff_t linesize, ptrdiff_t uvlinesize, int mb_x,
1563 int mb_y, int mb_width, int simple, int xchg)
1564 {
1565 84130 uint8_t *top_border_m1 = top_border - 32; // for TL prediction
1566 84130 src_y -= linesize;
1567 84130 src_cb -= uvlinesize;
1568 84130 src_cr -= uvlinesize;
1569
1570 #define XCHG(a, b, xchg) \
1571 do { \
1572 if (xchg) \
1573 AV_SWAP64(b, a); \
1574 else \
1575 AV_COPY64(b, a); \
1576 } while (0)
1577
1578
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 84130 XCHG(top_border_m1 + 8, src_y - 8, xchg);
1579
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 84130 XCHG(top_border, src_y, xchg);
1580 84130 XCHG(top_border + 8, src_y + 8, 1);
1581
2/2
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 84130 if (mb_x < mb_width - 1)
1582 80706 XCHG(top_border + 32, src_y + 16, 1);
1583
1584 // only copy chroma for normal loop filter
1585 // or to initialize the top row to 127
1586
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 84130 if (!simple || !mb_y) {
1587
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 81048 XCHG(top_border_m1 + 16, src_cb - 8, xchg);
1588
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 81048 XCHG(top_border_m1 + 24, src_cr - 8, xchg);
1589 81048 XCHG(top_border + 16, src_cb, 1);
1590 81048 XCHG(top_border + 24, src_cr, 1);
1591 }
1592 84130 }
1593
1594 static av_always_inline
1595 72888 int check_dc_pred8x8_mode(int mode, int mb_x, int mb_y)
1596 {
1597
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 72888 if (!mb_x)
1598
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 3029 return mb_y ? TOP_DC_PRED8x8 : DC_128_PRED8x8;
1599 else
1600
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 69859 return mb_y ? mode : LEFT_DC_PRED8x8;
1601 }
1602
1603 static av_always_inline
1604 1809 int check_tm_pred8x8_mode(int mode, int mb_x, int mb_y, int vp7)
1605 {
1606
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 1809 if (!mb_x)
1607
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 1 return mb_y ? VERT_PRED8x8 : (vp7 ? DC_128_PRED8x8 : DC_129_PRED8x8);
1608 else
1609
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 1808 return mb_y ? mode : HOR_PRED8x8;
1610 }
1611
1612 static av_always_inline
1613 96989 int check_intra_pred8x8_mode_emuedge(int mode, int mb_x, int mb_y, int vp7)
1614 {
1615
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 96989 switch (mode) {
1616 72888 case DC_PRED8x8:
1617 72888 return check_dc_pred8x8_mode(mode, mb_x, mb_y);
1618 5757 case VERT_PRED8x8:
1619
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 5757 return !mb_y ? (vp7 ? DC_128_PRED8x8 : DC_127_PRED8x8) : mode;
1620 16535 case HOR_PRED8x8:
1621
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 16535 return !mb_x ? (vp7 ? DC_128_PRED8x8 : DC_129_PRED8x8) : mode;
1622 1809 case PLANE_PRED8x8: /* TM */
1623 1809 return check_tm_pred8x8_mode(mode, mb_x, mb_y, vp7);
1624 }
1625 ✗ return mode;
1626 }
1627
1628 static av_always_inline
1629 49009 int check_tm_pred4x4_mode(int mode, int mb_x, int mb_y, int vp7)
1630 {
1631
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 49009 if (!mb_x) {
1632
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 1362 return mb_y ? VERT_VP8_PRED : (vp7 ? DC_128_PRED : DC_129_PRED);
1633 } else {
1634
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 47647 return mb_y ? mode : HOR_VP8_PRED;
1635 }
1636 }
1637
1638 static av_always_inline
1639 282800 int check_intra_pred4x4_mode_emuedge(int mode, int mb_x, int mb_y,
1640 int *copy_buf, int vp7)
1641 {
1642
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 282800 switch (mode) {
1643 13608 case VERT_PRED:
1644
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 13608 if (!mb_x && mb_y) {
1645 95 *copy_buf = 1;
1646 95 return mode;
1647 }
1648 /* fall-through */
1649 case DIAG_DOWN_LEFT_PRED:
1650 case VERT_LEFT_PRED:
1651
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 34820 return !mb_y ? (vp7 ? DC_128_PRED : DC_127_PRED) : mode;
1652 19464 case HOR_PRED:
1653
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 19464 if (!mb_y) {
1654 128 *copy_buf = 1;
1655 128 return mode;
1656 }
1657 /* fall-through */
1658 case HOR_UP_PRED:
1659
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 31686 return !mb_x ? (vp7 ? DC_128_PRED : DC_129_PRED) : mode;
1660 49009 case TM_VP8_PRED:
1661 49009 return check_tm_pred4x4_mode(mode, mb_x, mb_y, vp7);
1662 167062 case DC_PRED: /* 4x4 DC doesn't use the same "H.264-style" exceptions
1663 * as 16x16/8x8 DC */
1664 case DIAG_DOWN_RIGHT_PRED:
1665 case VERT_RIGHT_PRED:
1666 case HOR_DOWN_PRED:
1667
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 167062 if (!mb_y || !mb_x)
1668 1140 *copy_buf = 1;
1669 167062 return mode;
1670 }
1671 ✗ return mode;
1672 }
1673
1674 static av_always_inline
1675 57332 void intra_predict(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3],
1676 VP8Macroblock *mb, int mb_x, int mb_y, int is_vp7)
1677 {
1678 int x, y, mode, nnz;
1679 uint32_t tr;
1680
1681 /* for the first row, we need to run xchg_mb_border to init the top edge
1682 * to 127 otherwise, skip it if we aren't going to deblock */
1683
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 57332 if (mb_y && (s->deblock_filter || !mb_y) && td->thread_nr == 0)
1684 42065 xchg_mb_border(s->top_border[mb_x + 1], dst[0], dst[1], dst[2],
1685 42065 s->linesize, s->uvlinesize, mb_x, mb_y, s->mb_width,
1686 42065 s->filter.simple, 1);
1687
1688
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 57332 if (mb->mode < MODE_I4x4) {
1689 39657 mode = check_intra_pred8x8_mode_emuedge(mb->mode, mb_x, mb_y, is_vp7);
1690 39657 s->hpc.pred16x16[mode](dst[0], s->linesize);
1691 } else {
1692 17675 uint8_t *ptr = dst[0];
1693 17675 uint8_t *intra4x4 = mb->intra4x4_pred_mode_mb;
1694
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 17675 const uint8_t lo = is_vp7 ? 128 : 127;
1695
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 17675 const uint8_t hi = is_vp7 ? 128 : 129;
1696 17675 uint8_t tr_top[4] = { lo, lo, lo, lo };
1697
1698 // all blocks on the right edge of the macroblock use bottom edge
1699 // the top macroblock for their topright edge
1700 17675 uint8_t *tr_right = ptr - s->linesize + 16;
1701
1702 // if we're on the right edge of the frame, said edge is extended
1703 // from the top macroblock
1704
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 17675 if (mb_y && mb_x == s->mb_width - 1) {
1705 635 tr = tr_right[-1] * 0x01010101u;
1706 635 tr_right = (uint8_t *) &tr;
1707 }
1708
1709
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 17675 if (mb->skip)
1710 460 AV_ZERO128(td->non_zero_count_cache);
1711
1712
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 88375 for (y = 0; y < 4; y++) {
1713 70700 uint8_t *topright = ptr + 4 - s->linesize;
1714
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 353500 for (x = 0; x < 4; x++) {
1715 282800 int copy = 0;
1716 282800 ptrdiff_t linesize = s->linesize;
1717 282800 uint8_t *dst = ptr + 4 * x;
1718 282800 LOCAL_ALIGNED(4, uint8_t, copy_dst, [5 * 8]);
1719
1720
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 282800 if ((y == 0 || x == 3) && mb_y == 0) {
1721 4417 topright = tr_top;
1722
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 278383 } else if (x == 3)
1723 68176 topright = tr_right;
1724
1725 282800 mode = check_intra_pred4x4_mode_emuedge(intra4x4[x], mb_x + x,
1726 mb_y + y, &copy, is_vp7);
1727
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 282800 if (copy) {
1728 1363 dst = copy_dst + 12;
1729 1363 linesize = 8;
1730
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 1363 if (!(mb_y + y)) {
1731 702 copy_dst[3] = lo;
1732 702 AV_WN32A(copy_dst + 4, lo * 0x01010101U);
1733 } else {
1734 661 AV_COPY32(copy_dst + 4, ptr + 4 * x - s->linesize);
1735
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 661 if (!(mb_x + x)) {
1736 661 copy_dst[3] = hi;
1737 } else {
1738 ✗ copy_dst[3] = ptr[4 * x - s->linesize - 1];
1739 }
1740 }
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 1363 if (!(mb_x + x)) {
1742 702 copy_dst[11] =
1743 702 copy_dst[19] =
1744 702 copy_dst[27] =
1745 702 copy_dst[35] = hi;
1746 } else {
1747 661 copy_dst[11] = ptr[4 * x - 1];
1748 661 copy_dst[19] = ptr[4 * x + s->linesize - 1];
1749 661 copy_dst[27] = ptr[4 * x + s->linesize * 2 - 1];
1750 661 copy_dst[35] = ptr[4 * x + s->linesize * 3 - 1];
1751 }
1752 }
1753 282800 s->hpc.pred4x4[mode](dst, topright, linesize);
1754
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 282800 if (copy) {
1755 1363 AV_COPY32(ptr + 4 * x, copy_dst + 12);
1756 1363 AV_COPY32(ptr + 4 * x + s->linesize, copy_dst + 20);
1757 1363 AV_COPY32(ptr + 4 * x + s->linesize * 2, copy_dst + 28);
1758 1363 AV_COPY32(ptr + 4 * x + s->linesize * 3, copy_dst + 36);
1759 }
1760
1761 282800 nnz = td->non_zero_count_cache[y][x];
1762
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 282800 if (nnz) {
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 122340 if (nnz == 1)
1764 35131 s->vp8dsp.vp8_idct_dc_add(ptr + 4 * x,
1765 35131 td->block[y][x], s->linesize);
1766 else
1767 87209 s->vp8dsp.vp8_idct_add(ptr + 4 * x,
1768 87209 td->block[y][x], s->linesize);
1769 }
1770 282800 topright += 4;
1771 }
1772
1773 70700 ptr += 4 * s->linesize;
1774 70700 intra4x4 += 4;
1775 }
1776 }
1777
1778 57332 mode = check_intra_pred8x8_mode_emuedge(mb->chroma_pred_mode,
1779 mb_x, mb_y, is_vp7);
1780 57332 s->hpc.pred8x8[mode](dst[1], s->uvlinesize);
1781 57332 s->hpc.pred8x8[mode](dst[2], s->uvlinesize);
1782
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 57332 if (mb_y && (s->deblock_filter || !mb_y) && td->thread_nr == 0)
1784 42065 xchg_mb_border(s->top_border[mb_x + 1], dst[0], dst[1], dst[2],
1785 42065 s->linesize, s->uvlinesize, mb_x, mb_y, s->mb_width,
1786 42065 s->filter.simple, 0);
1787 57332 }
1788
1789 static const uint8_t subpel_idx[3][8] = {
1790 { 0, 1, 2, 1, 2, 1, 2, 1 }, // nr. of left extra pixels,
1791 // also function pointer index
1792 { 0, 3, 5, 3, 5, 3, 5, 3 }, // nr. of extra pixels required
1793 { 0, 2, 3, 2, 3, 2, 3, 2 }, // nr. of right extra pixels
1794 };
1795
1796 /**
1797 * luma MC function
1798 *
1799 * @param s VP8 decoding context
1800 * @param dst target buffer for block data at block position
1801 * @param ref reference picture buffer at origin (0, 0)
1802 * @param mv motion vector (relative to block position) to get pixel data from
1803 * @param x_off horizontal position of block from origin (0, 0)
1804 * @param y_off vertical position of block from origin (0, 0)
1805 * @param block_w width of block (16, 8 or 4)
1806 * @param block_h height of block (always same as block_w)
1807 * @param width width of src/dst plane data
1808 * @param height height of src/dst plane data
1809 * @param linesize size of a single line of plane data, including padding
1810 * @param mc_func motion compensation function pointers (bilinear or sixtap MC)
1811 */
1812 static av_always_inline
1813 504108 void vp8_mc_luma(VP8Context *s, VP8ThreadData *td, uint8_t *dst,
1814 ThreadFrame *ref, const VP56mv *mv,
1815 int x_off, int y_off, int block_w, int block_h,
1816 int width, int height, ptrdiff_t linesize,
1817 vp8_mc_func mc_func[3][3])
1818 {
1819 504108 uint8_t *src = ref->f->data[0];
1820
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 504108 if (AV_RN32A(mv)) {
1822 124886 ptrdiff_t src_linesize = linesize;
1823
1824 124886 int mx = (mv->x * 2) & 7, mx_idx = subpel_idx[0][mx];
1825 124886 int my = (mv->y * 2) & 7, my_idx = subpel_idx[0][my];
1826
1827 124886 x_off += mv->x >> 2;
1828 124886 y_off += mv->y >> 2;
1829
1830 // edge emulation
1831 124886 ff_thread_await_progress(ref, (3 + y_off + block_h + subpel_idx[2][my]) >> 4, 0);
1832 124886 src += y_off * linesize + x_off;
1833
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 124886 if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
1834
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 118693 y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
1835 9236 s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
1836 9236 src - my_idx * linesize - mx_idx,
1837 EDGE_EMU_LINESIZE, linesize,
1838 9236 block_w + subpel_idx[1][mx],
1839 9236 block_h + subpel_idx[1][my],
1840 x_off - mx_idx, y_off - my_idx,
1841 width, height);
1842 9236 src = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
1843 9236 src_linesize = EDGE_EMU_LINESIZE;
1844 }
1845 124886 mc_func[my_idx][mx_idx](dst, linesize, src, src_linesize, block_h, mx, my);
1846 } else {
1847 379222 ff_thread_await_progress(ref, (3 + y_off + block_h) >> 4, 0);
1848 379222 mc_func[0][0](dst, linesize, src + y_off * linesize + x_off,
1849 linesize, block_h, 0, 0);
1850 }
1851 504108 }
1852
1853 /**
1854 * chroma MC function
1855 *
1856 * @param s VP8 decoding context
1857 * @param dst1 target buffer for block data at block position (U plane)
1858 * @param dst2 target buffer for block data at block position (V plane)
1859 * @param ref reference picture buffer at origin (0, 0)
1860 * @param mv motion vector (relative to block position) to get pixel data from
1861 * @param x_off horizontal position of block from origin (0, 0)
1862 * @param y_off vertical position of block from origin (0, 0)
1863 * @param block_w width of block (16, 8 or 4)
1864 * @param block_h height of block (always same as block_w)
1865 * @param width width of src/dst plane data
1866 * @param height height of src/dst plane data
1867 * @param linesize size of a single line of plane data, including padding
1868 * @param mc_func motion compensation function pointers (bilinear or sixtap MC)
1869 */
1870 static av_always_inline
1871 424764 void vp8_mc_chroma(VP8Context *s, VP8ThreadData *td, uint8_t *dst1,
1872 uint8_t *dst2, ThreadFrame *ref, const VP56mv *mv,
1873 int x_off, int y_off, int block_w, int block_h,
1874 int width, int height, ptrdiff_t linesize,
1875 vp8_mc_func mc_func[3][3])
1876 {
1877 424764 uint8_t *src1 = ref->f->data[1], *src2 = ref->f->data[2];
1878
1879
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 424764 if (AV_RN32A(mv)) {
1880 79185 int mx = mv->x & 7, mx_idx = subpel_idx[0][mx];
1881 79185 int my = mv->y & 7, my_idx = subpel_idx[0][my];
1882
1883 79185 x_off += mv->x >> 3;
1884 79185 y_off += mv->y >> 3;
1885
1886 // edge emulation
1887 79185 src1 += y_off * linesize + x_off;
1888 79185 src2 += y_off * linesize + x_off;
1889 79185 ff_thread_await_progress(ref, (3 + y_off + block_h + subpel_idx[2][my]) >> 3, 0);
1890
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 79185 if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
1891
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 73045 y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
1892 9157 s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
1893 9157 src1 - my_idx * linesize - mx_idx,
1894 EDGE_EMU_LINESIZE, linesize,
1895 9157 block_w + subpel_idx[1][mx],
1896 9157 block_h + subpel_idx[1][my],
1897 x_off - mx_idx, y_off - my_idx, width, height);
1898 9157 src1 = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
1899 9157 mc_func[my_idx][mx_idx](dst1, linesize, src1, EDGE_EMU_LINESIZE, block_h, mx, my);
1900
1901 9157 s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
1902 9157 src2 - my_idx * linesize - mx_idx,
1903 EDGE_EMU_LINESIZE, linesize,
1904 9157 block_w + subpel_idx[1][mx],
1905 9157 block_h + subpel_idx[1][my],
1906 x_off - mx_idx, y_off - my_idx, width, height);
1907 9157 src2 = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
1908 9157 mc_func[my_idx][mx_idx](dst2, linesize, src2, EDGE_EMU_LINESIZE, block_h, mx, my);
1909 } else {
1910 70028 mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my);
1911 70028 mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my);
1912 }
1913 } else {
1914 345579 ff_thread_await_progress(ref, (3 + y_off + block_h) >> 3, 0);
1915 345579 mc_func[0][0](dst1, linesize, src1 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1916 345579 mc_func[0][0](dst2, linesize, src2 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1917 }
1918 424764 }
1919
1920 static av_always_inline
1921 398316 void vp8_mc_part(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3],
1922 ThreadFrame *ref_frame, int x_off, int y_off,
1923 int bx_off, int by_off, int block_w, int block_h,
1924 int width, int height, VP56mv *mv)
1925 {
1926 398316 VP56mv uvmv = *mv;
1927
1928 /* Y */
1929 398316 vp8_mc_luma(s, td, dst[0] + by_off * s->linesize + bx_off,
1930 ref_frame, mv, x_off + bx_off, y_off + by_off,
1931 block_w, block_h, width, height, s->linesize,
1932 398316 s->put_pixels_tab[block_w == 8]);
1933
1934 /* U/V */
1935
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 398316 if (s->profile == 3) {
1936 /* this block only applies VP8; it is safe to check
1937 * only the profile, as VP7 profile <= 1 */
1938 4775 uvmv.x &= ~7;
1939 4775 uvmv.y &= ~7;
1940 }
1941 398316 x_off >>= 1;
1942 398316 y_off >>= 1;
1943 398316 bx_off >>= 1;
1944 398316 by_off >>= 1;
1945 398316 width >>= 1;
1946 398316 height >>= 1;
1947 398316 block_w >>= 1;
1948 398316 block_h >>= 1;
1949 398316 vp8_mc_chroma(s, td, dst[1] + by_off * s->uvlinesize + bx_off,
1950 398316 dst[2] + by_off * s->uvlinesize + bx_off, ref_frame,
1951 &uvmv, x_off + bx_off, y_off + by_off,
1952 block_w, block_h, width, height, s->uvlinesize,
1953
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 398316 s->put_pixels_tab[1 + (block_w == 4)]);
1954 398316 }
1955
1956 /* Fetch pixels for estimated mv 4 macroblocks ahead.
1957 * Optimized for 64-byte cache lines. Inspired by ffh264 prefetch_motion. */
1958 static av_always_inline
1959 1329627 void prefetch_motion(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y,
1960 int mb_xy, int ref)
1961 {
1962 /* Don't prefetch refs that haven't been used very often this frame. */
1963
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 1329627 if (s->ref_count[ref - 1] > (mb_xy >> 5)) {
1964 478745 int x_off = mb_x << 4, y_off = mb_y << 4;
1965 478745 int mx = (mb->mv.x >> 2) + x_off + 8;
1966 478745 int my = (mb->mv.y >> 2) + y_off;
1967 478745 uint8_t **src = s->framep[ref]->tf.f->data;
1968 478745 int off = mx + (my + (mb_x & 3) * 4) * s->linesize + 64;
1969 /* For threading, a ff_thread_await_progress here might be useful, but
1970 * it actually slows down the decoder. Since a bad prefetch doesn't
1971 * generate bad decoder output, we don't run it here. */
1972 478745 s->vdsp.prefetch(src[0] + off, s->linesize, 4);
1973 478745 off = (mx >> 1) + ((my >> 1) + (mb_x & 7)) * s->uvlinesize + 64;
1974 478745 s->vdsp.prefetch(src[1] + off, src[2] - src[1], 2);
1975 }
1976 1329627 }
1977
1978 /**
1979 * Apply motion vectors to prediction buffer, chapter 18.
1980 */
1981 static av_always_inline
1982 385877 void inter_predict(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3],
1983 VP8Macroblock *mb, int mb_x, int mb_y)
1984 {
1985 385877 int x_off = mb_x << 4, y_off = mb_y << 4;
1986 385877 int width = 16 * s->mb_width, height = 16 * s->mb_height;
1987 385877 ThreadFrame *ref = &s->framep[mb->ref_frame]->tf;
1988 385877 VP56mv *bmv = mb->bmv;
1989
1990
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✗ Branch 5 not taken.
 385877 switch (mb->partitioning) {
1991 367552 case VP8_SPLITMVMODE_NONE:
1992 367552 vp8_mc_part(s, td, dst, ref, x_off, y_off,
1993 0, 0, 16, 16, width, height, &mb->mv);
1994 367552 break;
1995 6612 case VP8_SPLITMVMODE_4x4: {
1996 int x, y;
1997 VP56mv uvmv;
1998
1999 /* Y */
2000
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 33060 for (y = 0; y < 4; y++) {
2001
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 132240 for (x = 0; x < 4; x++) {
2002 105792 vp8_mc_luma(s, td, dst[0] + 4 * y * s->linesize + x * 4,
2003 105792 ref, &bmv[4 * y + x],
2004 105792 4 * x + x_off, 4 * y + y_off, 4, 4,
2005 width, height, s->linesize,
2006 105792 s->put_pixels_tab[2]);
2007 }
2008 }
2009
2010 /* U/V */
2011 6612 x_off >>= 1;
2012 6612 y_off >>= 1;
2013 6612 width >>= 1;
2014 6612 height >>= 1;
2015
2/2
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 19836 for (y = 0; y < 2; y++) {
2016
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 39672 for (x = 0; x < 2; x++) {
2017 26448 uvmv.x = mb->bmv[2 * y * 4 + 2 * x ].x +
2018 26448 mb->bmv[2 * y * 4 + 2 * x + 1].x +
2019 26448 mb->bmv[(2 * y + 1) * 4 + 2 * x ].x +
2020 26448 mb->bmv[(2 * y + 1) * 4 + 2 * x + 1].x;
2021 26448 uvmv.y = mb->bmv[2 * y * 4 + 2 * x ].y +
2022 26448 mb->bmv[2 * y * 4 + 2 * x + 1].y +
2023 26448 mb->bmv[(2 * y + 1) * 4 + 2 * x ].y +
2024 26448 mb->bmv[(2 * y + 1) * 4 + 2 * x + 1].y;
2025 26448 uvmv.x = (uvmv.x + 2 + FF_SIGNBIT(uvmv.x)) >> 2;
2026 26448 uvmv.y = (uvmv.y + 2 + FF_SIGNBIT(uvmv.y)) >> 2;
2027
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 26448 if (s->profile == 3) {
2028 492 uvmv.x &= ~7;
2029 492 uvmv.y &= ~7;
2030 }
2031 26448 vp8_mc_chroma(s, td, dst[1] + 4 * y * s->uvlinesize + x * 4,
2032 26448 dst[2] + 4 * y * s->uvlinesize + x * 4, ref,
2033 26448 &uvmv, 4 * x + x_off, 4 * y + y_off, 4, 4,
2034 width, height, s->uvlinesize,
2035 26448 s->put_pixels_tab[2]);
2036 }
2037 }
2038 6612 break;
2039 }
2040 4909 case VP8_SPLITMVMODE_16x8:
2041 4909 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2042 0, 0, 16, 8, width, height, &bmv[0]);
2043 4909 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2044 0, 8, 16, 8, width, height, &bmv[1]);
2045 4909 break;
2046 3135 case VP8_SPLITMVMODE_8x16:
2047 3135 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2048 0, 0, 8, 16, width, height, &bmv[0]);
2049 3135 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2050 8, 0, 8, 16, width, height, &bmv[1]);
2051 3135 break;
2052 3669 case VP8_SPLITMVMODE_8x8:
2053 3669 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2054 0, 0, 8, 8, width, height, &bmv[0]);
2055 3669 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2056 8, 0, 8, 8, width, height, &bmv[1]);
2057 3669 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2058 0, 8, 8, 8, width, height, &bmv[2]);
2059 3669 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2060 8, 8, 8, 8, width, height, &bmv[3]);
2061 3669 break;
2062 }
2063 385877 }
2064
2065 static av_always_inline
2066 76840 void idct_mb(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3], VP8Macroblock *mb)
2067 {
2068 int x, y, ch;
2069
2070
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 76840 if (mb->mode != MODE_I4x4) {
2071 59625 uint8_t *y_dst = dst[0];
2072
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 298125 for (y = 0; y < 4; y++) {
2073 238500 uint32_t nnz4 = AV_RL32(td->non_zero_count_cache[y]);
2074
2/2
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 238500 if (nnz4) {
2075
2/2
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 175833 if (nnz4 & ~0x01010101) {
2076
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 155935 for (x = 0; x < 4; x++) {
2077
2/2
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✓ Branch 1 taken 101884 times.
 155935 if ((uint8_t) nnz4 == 1)
2078 54051 s->vp8dsp.vp8_idct_dc_add(y_dst + 4 * x,
2079 54051 td->block[y][x],
2080 s->linesize);
2081
2/2
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 101884 else if ((uint8_t) nnz4 > 1)
2082 74428 s->vp8dsp.vp8_idct_add(y_dst + 4 * x,
2083 74428 td->block[y][x],
2084 s->linesize);
2085 155935 nnz4 >>= 8;
2086
2/2
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✓ Branch 1 taken 111048 times.
 155935 if (!nnz4)
2087 44887 break;
2088 }
2089 } else {
2090 130946 s->vp8dsp.vp8_idct_dc_add4y(y_dst, td->block[y], s->linesize);
2091 }
2092 }
2093 238500 y_dst += 4 * s->linesize;
2094 }
2095 }
2096
2097
2/2
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✓ Branch 1 taken 76840 times.
 230520 for (ch = 0; ch < 2; ch++) {
2098 153680 uint32_t nnz4 = AV_RL32(td->non_zero_count_cache[4 + ch]);
2099
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 153680 if (nnz4) {
2100 60025 uint8_t *ch_dst = dst[1 + ch];
2101
2/2
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✓ Branch 1 taken 30071 times.
 60025 if (nnz4 & ~0x01010101) {
2102
1/2
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 55530 for (y = 0; y < 2; y++) {
2103
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 131913 for (x = 0; x < 2; x++) {
2104
2/2
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✓ Branch 1 taken 90283 times.
 106337 if ((uint8_t) nnz4 == 1)
2105 16054 s->vp8dsp.vp8_idct_dc_add(ch_dst + 4 * x,
2106 16054 td->block[4 + ch][(y << 1) + x],
2107 s->uvlinesize);
2108
2/2
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 90283 else if ((uint8_t) nnz4 > 1)
2109 66922 s->vp8dsp.vp8_idct_add(ch_dst + 4 * x,
2110 66922 td->block[4 + ch][(y << 1) + x],
2111 s->uvlinesize);
2112 106337 nnz4 >>= 8;
2113
2/2
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✓ Branch 1 taken 76383 times.
 106337 if (!nnz4)
2114 29954 goto chroma_idct_end;
2115 }
2116 25576 ch_dst += 4 * s->uvlinesize;
2117 }
2118 } else {
2119 30071 s->vp8dsp.vp8_idct_dc_add4uv(ch_dst, td->block[4 + ch], s->uvlinesize);
2120 }
2121 }
2122 153680 chroma_idct_end:
2123 ;
2124 }
2125 76840 }
2126
2127 static av_always_inline
2128 424229 void filter_level_for_mb(VP8Context *s, VP8Macroblock *mb,
2129 VP8FilterStrength *f, int is_vp7)
2130 {
2131 int interior_limit, filter_level;
2132
2133
2/2
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 424229 if (s->segmentation.enabled) {
2134 102219 filter_level = s->segmentation.filter_level[mb->segment];
2135
2/2
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✓ Branch 1 taken 3324 times.
 102219 if (!s->segmentation.absolute_vals)
2136 98895 filter_level += s->filter.level;
2137 } else
2138 322010 filter_level = s->filter.level;
2139
2140
2/2
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✓ Branch 1 taken 7354 times.
 424229 if (s->lf_delta.enabled) {
2141 416875 filter_level += s->lf_delta.ref[mb->ref_frame];
2142 416875 filter_level += s->lf_delta.mode[mb->mode];
2143 }
2144
2145 424229 filter_level = av_clip_uintp2(filter_level, 6);
2146
2147 424229 interior_limit = filter_level;
2148
2/2
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✓ Branch 1 taken 421457 times.
 424229 if (s->filter.sharpness) {
2149 2772 interior_limit >>= (s->filter.sharpness + 3) >> 2;
2150 2772 interior_limit = FFMIN(interior_limit, 9 - s->filter.sharpness);
2151 }
2152 424229 interior_limit = FFMAX(interior_limit, 1);
2153
2154 424229 f->filter_level = filter_level;
2155 424229 f->inner_limit = interior_limit;
2156
6/6
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✓ Branch 5 taken 288 times.
 777260 f->inner_filter = is_vp7 || !mb->skip || mb->mode == MODE_I4x4 ||
2157
2/2
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✓ Branch 1 taken 349794 times.
 353031 mb->mode == VP8_MVMODE_SPLIT;
2158 424229 }
2159
2160 static av_always_inline
2161 416507 void filter_mb(VP8Context *s, uint8_t *dst[3], VP8FilterStrength *f,
2162 int mb_x, int mb_y, int is_vp7)
2163 {
2164 int mbedge_lim, bedge_lim_y, bedge_lim_uv, hev_thresh;
2165 416507 int filter_level = f->filter_level;
2166 416507 int inner_limit = f->inner_limit;
2167 416507 int inner_filter = f->inner_filter;
2168 416507 ptrdiff_t linesize = s->linesize;
2169 416507 ptrdiff_t uvlinesize = s->uvlinesize;
2170 static const uint8_t hev_thresh_lut[2][64] = {
2171 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2172 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2173 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
2174 3, 3, 3, 3 },
2175 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2176 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2177 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2178 2, 2, 2, 2 }
2179 };
2180
2181
2/2
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 416507 if (!filter_level)
2182 5858 return;
2183
2184
2/2
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✓ Branch 1 taken 404049 times.
 410649 if (is_vp7) {
2185 6600 bedge_lim_y = filter_level;
2186 6600 bedge_lim_uv = filter_level * 2;
2187 6600 mbedge_lim = filter_level + 2;
2188 } else {
2189 404049 bedge_lim_y =
2190 404049 bedge_lim_uv = filter_level * 2 + inner_limit;
2191 404049 mbedge_lim = bedge_lim_y + 4;
2192 }
2193
2194 410649 hev_thresh = hev_thresh_lut[s->keyframe][filter_level];
2195
2196
2/2
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 410649 if (mb_x) {
2197 396544 s->vp8dsp.vp8_h_loop_filter16y(dst[0], linesize,
2198 mbedge_lim, inner_limit, hev_thresh);
2199 396544 s->vp8dsp.vp8_h_loop_filter8uv(dst[1], dst[2], uvlinesize,
2200 mbedge_lim, inner_limit, hev_thresh);
2201 }
2202
2203 #define H_LOOP_FILTER_16Y_INNER(cond) \
2204 if (cond && inner_filter) { \
2205 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 4, linesize, \
2206 bedge_lim_y, inner_limit, \
2207 hev_thresh); \
2208 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 8, linesize, \
2209 bedge_lim_y, inner_limit, \
2210 hev_thresh); \
2211 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 12, linesize, \
2212 bedge_lim_y, inner_limit, \
2213 hev_thresh); \
2214 s->vp8dsp.vp8_h_loop_filter8uv_inner(dst[1] + 4, dst[2] + 4, \
2215 uvlinesize, bedge_lim_uv, \
2216 inner_limit, hev_thresh); \
2217 }
2218
2219
4/4
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✓ Branch 2 taken 62604 times.
✓ Branch 3 taken 341445 times.
 410649 H_LOOP_FILTER_16Y_INNER(!is_vp7)
2220
2221
2/2
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✓ Branch 1 taken 21014 times.
 410649 if (mb_y) {
2222 389635 s->vp8dsp.vp8_v_loop_filter16y(dst[0], linesize,
2223 mbedge_lim, inner_limit, hev_thresh);
2224 389635 s->vp8dsp.vp8_v_loop_filter8uv(dst[1], dst[2], uvlinesize,
2225 mbedge_lim, inner_limit, hev_thresh);
2226 }
2227
2228
2/2
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✓ Branch 1 taken 341445 times.
 410649 if (inner_filter) {
2229 69204 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 4 * linesize,
2230 linesize, bedge_lim_y,
2231 inner_limit, hev_thresh);
2232 69204 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 8 * linesize,
2233 linesize, bedge_lim_y,
2234 inner_limit, hev_thresh);
2235 69204 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 12 * linesize,
2236 linesize, bedge_lim_y,
2237 inner_limit, hev_thresh);
2238 69204 s->vp8dsp.vp8_v_loop_filter8uv_inner(dst[1] + 4 * uvlinesize,
2239 69204 dst[2] + 4 * uvlinesize,
2240 uvlinesize, bedge_lim_uv,
2241 inner_limit, hev_thresh);
2242 }
2243
2244
3/4
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✓ Branch 2 taken 6600 times.
✗ Branch 3 not taken.
 410649 H_LOOP_FILTER_16Y_INNER(is_vp7)
2245 }
2246
2247 static av_always_inline
2248 7722 void filter_mb_simple(VP8Context *s, uint8_t *dst, VP8FilterStrength *f,
2249 int mb_x, int mb_y)
2250 {
2251 int mbedge_lim, bedge_lim;
2252 7722 int filter_level = f->filter_level;
2253 7722 int inner_limit = f->inner_limit;
2254 7722 int inner_filter = f->inner_filter;
2255 7722 ptrdiff_t linesize = s->linesize;
2256
2257
2/2
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✓ Branch 1 taken 7390 times.
 7722 if (!filter_level)
2258 332 return;
2259
2260 7390 bedge_lim = 2 * filter_level + inner_limit;
2261 7390 mbedge_lim = bedge_lim + 4;
2262
2263
2/2
✓ Branch 0 taken 6713 times.
✓ Branch 1 taken 677 times.
 7390 if (mb_x)
2264 6713 s->vp8dsp.vp8_h_loop_filter_simple(dst, linesize, mbedge_lim);
2265
2/2
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✓ Branch 1 taken 3867 times.
 7390 if (inner_filter) {
2266 3523 s->vp8dsp.vp8_h_loop_filter_simple(dst + 4, linesize, bedge_lim);
2267 3523 s->vp8dsp.vp8_h_loop_filter_simple(dst + 8, linesize, bedge_lim);
2268 3523 s->vp8dsp.vp8_h_loop_filter_simple(dst + 12, linesize, bedge_lim);
2269 }
2270
2271
2/2
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✓ Branch 1 taken 781 times.
 7390 if (mb_y)
2272 6609 s->vp8dsp.vp8_v_loop_filter_simple(dst, linesize, mbedge_lim);
2273
2/2
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✓ Branch 1 taken 3867 times.
 7390 if (inner_filter) {
2274 3523 s->vp8dsp.vp8_v_loop_filter_simple(dst + 4 * linesize, linesize, bedge_lim);
2275 3523 s->vp8dsp.vp8_v_loop_filter_simple(dst + 8 * linesize, linesize, bedge_lim);
2276 3523 s->vp8dsp.vp8_v_loop_filter_simple(dst + 12 * linesize, linesize, bedge_lim);
2277 }
2278 }
2279
2280 #define MARGIN (16 << 2)
2281 static av_always_inline
2282 30 int vp78_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe,
2283 VP8Frame *prev_frame, int is_vp7)
2284 {
2285 30 VP8Context *s = avctx->priv_data;
2286 int mb_x, mb_y;
2287
2288 30 s->mv_bounds.mv_min.y = -MARGIN;
2289 30 s->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
2290
2/2
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 360 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
2291 330 VP8Macroblock *mb = s->macroblocks_base +
2292 330 ((s->mb_width + 1) * (mb_y + 1) + 1);
2293 330 int mb_xy = mb_y * s->mb_width;
2294
2295 330 AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED * 0x01010101);
2296
2297 330 s->mv_bounds.mv_min.x = -MARGIN;
2298 330 s->mv_bounds.mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
2299
2300
2/2
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✓ Branch 1 taken 330 times.
 6930 for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
2301
1/2
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✓ Branch 2 taken 6600 times.
 6600 if (vpX_rac_is_end(&s->c)) {
2302 ✗ return AVERROR_INVALIDDATA;
2303 }
2304
2/2
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✓ Branch 1 taken 6000 times.
 6600 if (mb_y == 0)
2305 600 AV_WN32A((mb - s->mb_width - 1)->intra4x4_pred_mode_top,
2306 DC_PRED * 0x01010101);
2307
2/2
✓ Branch 0 taken 6380 times.
✓ Branch 1 taken 220 times.
 12980 decode_mb_mode(s, &s->mv_bounds, mb, mb_x, mb_y, curframe->seg_map->data + mb_xy,
2308
1/2
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✗ Branch 1 not taken.
 6380 prev_frame && prev_frame->seg_map ?
2309 6380 prev_frame->seg_map->data + mb_xy : NULL, 1, is_vp7);
2310 6600 s->mv_bounds.mv_min.x -= 64;
2311 6600 s->mv_bounds.mv_max.x -= 64;
2312 }
2313 330 s->mv_bounds.mv_min.y -= 64;
2314 330 s->mv_bounds.mv_max.y -= 64;
2315 }
2316 30 return 0;
2317 }
2318
2319 30 static int vp7_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame,
2320 VP8Frame *prev_frame)
2321 {
2322 30 return vp78_decode_mv_mb_modes(avctx, cur_frame, prev_frame, IS_VP7);
2323 }
2324
2325 ✗ static int vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame,
2326 VP8Frame *prev_frame)
2327 {
2328 ✗ return vp78_decode_mv_mb_modes(avctx, cur_frame, prev_frame, IS_VP8);
2329 }
2330
2331 #if HAVE_THREADS
2332 #define check_thread_pos(td, otd, mb_x_check, mb_y_check) \
2333 do { \
2334 int tmp = (mb_y_check << 16) | (mb_x_check & 0xFFFF); \
2335 if (atomic_load(&otd->thread_mb_pos) < tmp) { \
2336 pthread_mutex_lock(&otd->lock); \
2337 atomic_store(&td->wait_mb_pos, tmp); \
2338 do { \
2339 if (atomic_load(&otd->thread_mb_pos) >= tmp) \
2340 break; \
2341 pthread_cond_wait(&otd->cond, &otd->lock); \
2342 } while (1); \
2343 atomic_store(&td->wait_mb_pos, INT_MAX); \
2344 pthread_mutex_unlock(&otd->lock); \
2345 } \
2346 } while (0)
2347
2348 #define update_pos(td, mb_y, mb_x) \
2349 do { \
2350 int pos = (mb_y << 16) | (mb_x & 0xFFFF); \
2351 int sliced_threading = (avctx->active_thread_type == FF_THREAD_SLICE) && \
2352 (num_jobs > 1); \
2353 int is_null = !next_td || !prev_td; \
2354 int pos_check = (is_null) ? 1 : \
2355 (next_td != td && pos >= atomic_load(&next_td->wait_mb_pos)) || \
2356 (prev_td != td && pos >= atomic_load(&prev_td->wait_mb_pos)); \
2357 atomic_store(&td->thread_mb_pos, pos); \
2358 if (sliced_threading && pos_check) { \
2359 pthread_mutex_lock(&td->lock); \
2360 pthread_cond_broadcast(&td->cond); \
2361 pthread_mutex_unlock(&td->lock); \
2362 } \
2363 } while (0)
2364 #else
2365 #define check_thread_pos(td, otd, mb_x_check, mb_y_check) while(0)
2366 #define update_pos(td, mb_y, mb_x) while(0)
2367 #endif
2368
2369 16181 static av_always_inline int decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2370 int jobnr, int threadnr, int is_vp7)
2371 {
2372 16181 VP8Context *s = avctx->priv_data;
2373 16181 VP8ThreadData *prev_td, *next_td, *td = &s->thread_data[threadnr];
2374 16181 int mb_y = atomic_load(&td->thread_mb_pos) >> 16;
2375 16181 int mb_x, mb_xy = mb_y * s->mb_width;
2376 16181 int num_jobs = s->num_jobs;
2377 16181 VP8Frame *curframe = s->curframe, *prev_frame = s->prev_frame;
2378 16181 VP56RangeCoder *c = &s->coeff_partition[mb_y & (s->num_coeff_partitions - 1)];
2379 VP8Macroblock *mb;
2380 16181 uint8_t *dst[3] = {
2381 16181 curframe->tf.f->data[0] + 16 * mb_y * s->linesize,
2382 16181 curframe->tf.f->data[1] + 8 * mb_y * s->uvlinesize,
2383 16181 curframe->tf.f->data[2] + 8 * mb_y * s->uvlinesize
2384 };
2385
2386
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 16181 if (vpX_rac_is_end(c))
2387 ✗ return AVERROR_INVALIDDATA;
2388
2389
2/2
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 16181 if (mb_y == 0)
2390 1142 prev_td = td;
2391 else
2392 15039 prev_td = &s->thread_data[(jobnr + num_jobs - 1) % num_jobs];
2393
2/2
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 16181 if (mb_y == s->mb_height - 1)
2394 1142 next_td = td;
2395 else
2396 15039 next_td = &s->thread_data[(jobnr + 1) % num_jobs];
2397
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 16181 if (s->mb_layout == 1)
2398 330 mb = s->macroblocks_base + ((s->mb_width + 1) * (mb_y + 1) + 1);
2399 else {
2400 // Make sure the previous frame has read its segmentation map,
2401 // if we re-use the same map.
2402
4/4
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 15851 if (prev_frame && s->segmentation.enabled &&
2403
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 5598 !s->segmentation.update_map)
2404 5025 ff_thread_await_progress(&prev_frame->tf, mb_y, 0);
2405 15851 mb = s->macroblocks + (s->mb_height - mb_y - 1) * 2;
2406 15851 memset(mb - 1, 0, sizeof(*mb)); // zero left macroblock
2407 15851 AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED * 0x01010101);
2408 }
2409
2410
4/4
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 16181 if (!is_vp7 || mb_y == 0)
2411 15881 memset(td->left_nnz, 0, sizeof(td->left_nnz));
2412
2413 16181 td->mv_bounds.mv_min.x = -MARGIN;
2414 16181 td->mv_bounds.mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
2415
2416
2/2
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 459390 for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
2417
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 443209 if (vpX_rac_is_end(c))
2418 ✗ return AVERROR_INVALIDDATA;
2419 // Wait for previous thread to read mb_x+2, and reach mb_y-1.
2420
1/2
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 443209 if (prev_td != td) {
2421 ✗ if (threadnr != 0) {
2422 ✗ check_thread_pos(td, prev_td,
2423 mb_x + (is_vp7 ? 2 : 1),
2424 mb_y - (is_vp7 ? 2 : 1));
2425 } else {
2426 ✗ check_thread_pos(td, prev_td,
2427 mb_x + (is_vp7 ? 2 : 1) + s->mb_width + 3,
2428 mb_y - (is_vp7 ? 2 : 1));
2429 }
2430 }
2431
2432 443209 s->vdsp.prefetch(dst[0] + (mb_x & 3) * 4 * s->linesize + 64,
2433 s->linesize, 4);
2434 443209 s->vdsp.prefetch(dst[1] + (mb_x & 7) * s->uvlinesize + 64,
2435 443209 dst[2] - dst[1], 2);
2436
2437
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 443209 if (!s->mb_layout)
2438
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 842558 decode_mb_mode(s, &td->mv_bounds, mb, mb_x, mb_y, curframe->seg_map->data + mb_xy,
2439
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 405949 prev_frame && prev_frame->seg_map ?
2440 405949 prev_frame->seg_map->data + mb_xy : NULL, 0, is_vp7);
2441
2442 443209 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP56_FRAME_PREVIOUS);
2443
2444
2/2
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 443209 if (!mb->skip)
2445 83297 decode_mb_coeffs(s, td, c, mb, s->top_nnz[mb_x], td->left_nnz, is_vp7);
2446
2447
2/2
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 443209 if (mb->mode <= MODE_I4x4)
2448 57332 intra_predict(s, td, dst, mb, mb_x, mb_y, is_vp7);
2449 else
2450 385877 inter_predict(s, td, dst, mb, mb_x, mb_y);
2451
2452 443209 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP56_FRAME_GOLDEN);
2453
2454
2/2
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 443209 if (!mb->skip) {
2455 76840 idct_mb(s, td, dst, mb);
2456 } else {
2457 366369 AV_ZERO64(td->left_nnz);
2458 366369 AV_WN64(s->top_nnz[mb_x], 0); // array of 9, so unaligned
2459
2460 /* Reset DC block predictors if they would exist
2461 * if the mb had coefficients */
2462
4/4
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✓ Branch 3 taken 3267 times.
 366369 if (mb->mode != MODE_I4x4 && mb->mode != VP8_MVMODE_SPLIT) {
2463 362642 td->left_nnz[8] = 0;
2464 362642 s->top_nnz[mb_x][8] = 0;
2465 }
2466 }
2467
2468
2/2
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 443209 if (s->deblock_filter)
2469 424229 filter_level_for_mb(s, mb, &td->filter_strength[mb_x], is_vp7);
2470
2471
3/6
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 443209 if (s->deblock_filter && num_jobs != 1 && threadnr == num_jobs - 1) {
2472 ✗ if (s->filter.simple)
2473 ✗ backup_mb_border(s->top_border[mb_x + 1], dst[0],
2474 NULL, NULL, s->linesize, 0, 1);
2475 else
2476 ✗ backup_mb_border(s->top_border[mb_x + 1], dst[0],
2477 dst[1], dst[2], s->linesize, s->uvlinesize, 0);
2478 }
2479
2480 443209 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP56_FRAME_GOLDEN2);
2481
2482 443209 dst[0] += 16;
2483 443209 dst[1] += 8;
2484 443209 dst[2] += 8;
2485 443209 td->mv_bounds.mv_min.x -= 64;
2486 443209 td->mv_bounds.mv_max.x -= 64;
2487
2488
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 443209 if (mb_x == s->mb_width + 1) {
2489 ✗ update_pos(td, mb_y, s->mb_width + 3);
2490 } else {
2491
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 443209 update_pos(td, mb_y, mb_x);
2492 }
2493 }
2494 16181 return 0;
2495 }
2496
2497 330 static int vp7_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2498 int jobnr, int threadnr)
2499 {
2500 330 return decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, 1);
2501 }
2502
2503 15851 static int vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2504 int jobnr, int threadnr)
2505 {
2506 15851 return decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, 0);
2507 }
2508
2509 15115 static av_always_inline void filter_mb_row(AVCodecContext *avctx, void *tdata,
2510 int jobnr, int threadnr, int is_vp7)
2511 {
2512 15115 VP8Context *s = avctx->priv_data;
2513 15115 VP8ThreadData *td = &s->thread_data[threadnr];
2514 15115 int mb_x, mb_y = atomic_load(&td->thread_mb_pos) >> 16, num_jobs = s->num_jobs;
2515 15115 AVFrame *curframe = s->curframe->tf.f;
2516 VP8Macroblock *mb;
2517 VP8ThreadData *prev_td, *next_td;
2518 15115 uint8_t *dst[3] = {
2519 15115 curframe->data[0] + 16 * mb_y * s->linesize,
2520 15115 curframe->data[1] + 8 * mb_y * s->uvlinesize,
2521 15115 curframe->data[2] + 8 * mb_y * s->uvlinesize
2522 };
2523
2524
2/2
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✓ Branch 1 taken 14785 times.
 15115 if (s->mb_layout == 1)
2525 330 mb = s->macroblocks_base + ((s->mb_width + 1) * (mb_y + 1) + 1);
2526 else
2527 14785 mb = s->macroblocks + (s->mb_height - mb_y - 1) * 2;
2528
2529
2/2
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 15115 if (mb_y == 0)
2530 1034 prev_td = td;
2531 else
2532 14081 prev_td = &s->thread_data[(jobnr + num_jobs - 1) % num_jobs];
2533
2/2
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✓ Branch 1 taken 14081 times.
 15115 if (mb_y == s->mb_height - 1)
2534 1034 next_td = td;
2535 else
2536 14081 next_td = &s->thread_data[(jobnr + 1) % num_jobs];
2537
2538
2/2
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✓ Branch 1 taken 15115 times.
 439344 for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb++) {
2539 424229 VP8FilterStrength *f = &td->filter_strength[mb_x];
2540
1/2
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 424229 if (prev_td != td)
2541 ✗ check_thread_pos(td, prev_td,
2542 (mb_x + 1) + (s->mb_width + 3), mb_y - 1);
2543
1/2
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 424229 if (next_td != td)
2544 ✗ if (next_td != &s->thread_data[0])
2545 ✗ check_thread_pos(td, next_td, mb_x + 1, mb_y + 1);
2546
2547
1/2
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 424229 if (num_jobs == 1) {
2548
2/2
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 424229 if (s->filter.simple)
2549 7722 backup_mb_border(s->top_border[mb_x + 1], dst[0],
2550 NULL, NULL, s->linesize, 0, 1);
2551 else
2552 416507 backup_mb_border(s->top_border[mb_x + 1], dst[0],
2553 dst[1], dst[2], s->linesize, s->uvlinesize, 0);
2554 }
2555
2556
2/2
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✓ Branch 1 taken 416507 times.
 424229 if (s->filter.simple)
2557 7722 filter_mb_simple(s, dst[0], f, mb_x, mb_y);
2558 else
2559 416507 filter_mb(s, dst, f, mb_x, mb_y, is_vp7);
2560 424229 dst[0] += 16;
2561 424229 dst[1] += 8;
2562 424229 dst[2] += 8;
2563
2564
7/22
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 424229 update_pos(td, mb_y, (s->mb_width + 3) + mb_x);
2565 }
2566 15115 }
2567
2568 330 static void vp7_filter_mb_row(AVCodecContext *avctx, void *tdata,
2569 int jobnr, int threadnr)
2570 {
2571 330 filter_mb_row(avctx, tdata, jobnr, threadnr, 1);
2572 330 }
2573
2574 14785 static void vp8_filter_mb_row(AVCodecContext *avctx, void *tdata,
2575 int jobnr, int threadnr)
2576 {
2577 14785 filter_mb_row(avctx, tdata, jobnr, threadnr, 0);
2578 14785 }
2579
2580 static av_always_inline
2581 1142 int vp78_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, int jobnr,
2582 int threadnr, int is_vp7)
2583 {
2584 1142 VP8Context *s = avctx->priv_data;
2585 1142 VP8ThreadData *td = &s->thread_data[jobnr];
2586 1142 VP8ThreadData *next_td = NULL, *prev_td = NULL;
2587 1142 VP8Frame *curframe = s->curframe;
2588 1142 int mb_y, num_jobs = s->num_jobs;
2589 int ret;
2590
2591 1142 td->thread_nr = threadnr;
2592 1142 td->mv_bounds.mv_min.y = -MARGIN - 64 * threadnr;
2593 1142 td->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN - 64 * threadnr;
2594
2/2
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 17323 for (mb_y = jobnr; mb_y < s->mb_height; mb_y += num_jobs) {
2595 16181 atomic_store(&td->thread_mb_pos, mb_y << 16);
2596 16181 ret = s->decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr);
2597
1/2
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 16181 if (ret < 0) {
2598 ✗ update_pos(td, s->mb_height, INT_MAX & 0xFFFF);
2599 ✗ return ret;
2600 }
2601
2/2
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✓ Branch 1 taken 1066 times.
 16181 if (s->deblock_filter)
2602 15115 s->filter_mb_row(avctx, tdata, jobnr, threadnr);
2603
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 16181 update_pos(td, mb_y, INT_MAX & 0xFFFF);
2604
2605 16181 td->mv_bounds.mv_min.y -= 64 * num_jobs;
2606 16181 td->mv_bounds.mv_max.y -= 64 * num_jobs;
2607
2608
1/2
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 16181 if (avctx->active_thread_type == FF_THREAD_FRAME)
2609 ✗ ff_thread_report_progress(&curframe->tf, mb_y, 0);
2610 }
2611
2612 1142 return 0;
2613 }
2614
2615 30 static int vp7_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata,
2616 int jobnr, int threadnr)
2617 {
2618 30 return vp78_decode_mb_row_sliced(avctx, tdata, jobnr, threadnr, IS_VP7);
2619 }
2620
2621 1112 static int vp8_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata,
2622 int jobnr, int threadnr)
2623 {
2624 1112 return vp78_decode_mb_row_sliced(avctx, tdata, jobnr, threadnr, IS_VP8);
2625 }
2626
2627 static av_always_inline
2628 1142 int vp78_decode_frame(AVCodecContext *avctx, AVFrame *rframe, int *got_frame,
2629 const AVPacket *avpkt, int is_vp7)
2630 {
2631 1142 VP8Context *s = avctx->priv_data;
2632 int ret, i, referenced, num_jobs;
2633 enum AVDiscard skip_thresh;
2634 1142 VP8Frame *av_uninit(curframe), *prev_frame;
2635
2636
2/2
✓ Branch 0 taken 30 times.
✓ Branch 1 taken 1112 times.
 1142 if (is_vp7)
2637 30 ret = vp7_decode_frame_header(s, avpkt->data, avpkt->size);
2638 else
2639 1112 ret = vp8_decode_frame_header(s, avpkt->data, avpkt->size);
2640
2641
1/2
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✓ Branch 1 taken 1142 times.
 1142 if (ret < 0)
2642 ✗ goto err;
2643
2644
2/2
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✓ Branch 1 taken 6 times.
 1142 if (s->actually_webp) {
2645 // avctx->pix_fmt already set in caller.
2646
3/4
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✗ Branch 2 not taken.
✓ Branch 3 taken 1106 times.
 1136 } else if (!is_vp7 && s->pix_fmt == AV_PIX_FMT_NONE) {
2647 ✗ s->pix_fmt = get_pixel_format(s);
2648 ✗ if (s->pix_fmt < 0) {
2649 ✗ ret = AVERROR(EINVAL);
2650 ✗ goto err;
2651 }
2652 ✗ avctx->pix_fmt = s->pix_fmt;
2653 }
2654
2655 1142 prev_frame = s->framep[VP56_FRAME_CURRENT];
2656
2657
3/4
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✗ Branch 3 not taken.
 1153 referenced = s->update_last || s->update_golden == VP56_FRAME_CURRENT ||
2658
2/2
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✓ Branch 1 taken 2 times.
 11 s->update_altref == VP56_FRAME_CURRENT;
2659
2660 1142 skip_thresh = !referenced ? AVDISCARD_NONREF
2661
4/4
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✓ Branch 3 taken 49 times.
 1142 : !s->keyframe ? AVDISCARD_NONKEY
2662 : AVDISCARD_ALL;
2663
2664
1/2
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✓ Branch 1 taken 1142 times.
 1142 if (avctx->skip_frame >= skip_thresh) {
2665 ✗ s->invisible = 1;
2666 ✗ memcpy(&s->next_framep[0], &s->framep[0], sizeof(s->framep[0]) * 4);
2667 ✗ goto skip_decode;
2668 }
2669
3/4
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✓ Branch 2 taken 1034 times.
✗ Branch 3 not taken.
 1142 s->deblock_filter = s->filter.level && avctx->skip_loop_filter < skip_thresh;
2670
2671 // release no longer referenced frames
2672
2/2
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✓ Branch 1 taken 1142 times.
 6852 for (i = 0; i < 5; i++)
2673
2/2
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✓ Branch 1 taken 1884 times.
 5710 if (s->frames[i].tf.f->buf[0] &&
2674
2/2
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✓ Branch 1 taken 1105 times.
 3826 &s->frames[i] != prev_frame &&
2675
2/2
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✓ Branch 1 taken 11 times.
 2721 &s->frames[i] != s->framep[VP56_FRAME_PREVIOUS] &&
2676
2/2
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✓ Branch 1 taken 969 times.
 2710 &s->frames[i] != s->framep[VP56_FRAME_GOLDEN] &&
2677
2/2
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✓ Branch 1 taken 708 times.
 1741 &s->frames[i] != s->framep[VP56_FRAME_GOLDEN2])
2678 1033 vp8_release_frame(s, &s->frames[i]);
2679
2680 1142 curframe = s->framep[VP56_FRAME_CURRENT] = vp8_find_free_buffer(s);
2681
2682
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✗ Branch 1 not taken.
 1142 if (!s->colorspace)
2683 1142 avctx->colorspace = AVCOL_SPC_BT470BG;
2684
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 1142 if (s->fullrange)
2685 ✗ avctx->color_range = AVCOL_RANGE_JPEG;
2686 else
2687 1142 avctx->color_range = AVCOL_RANGE_MPEG;
2688
2689 /* Given that arithmetic probabilities are updated every frame, it's quite
2690 * likely that the values we have on a random interframe are complete
2691 * junk if we didn't start decode on a keyframe. So just don't display
2692 * anything rather than junk. */
2693
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 1142 if (!s->keyframe && (!s->framep[VP56_FRAME_PREVIOUS] ||
2694
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✗ Branch 1 not taken.
 1093 !s->framep[VP56_FRAME_GOLDEN] ||
2695
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 1093 !s->framep[VP56_FRAME_GOLDEN2])) {
2696 ✗ av_log(avctx, AV_LOG_WARNING,
2697 "Discarding interframe without a prior keyframe!\n");
2698 ✗ ret = AVERROR_INVALIDDATA;
2699 ✗ goto err;
2700 }
2701
2702 1142 curframe->tf.f->key_frame = s->keyframe;
2703 2284 curframe->tf.f->pict_type = s->keyframe ? AV_PICTURE_TYPE_I
2704
2/2
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✓ Branch 1 taken 1093 times.
 1142 : AV_PICTURE_TYPE_P;
2705
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✗ Branch 1 not taken.
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 1142 if ((ret = vp8_alloc_frame(s, curframe, referenced)) < 0)
2706 ✗ goto err;
2707
2708 // check if golden and altref are swapped
2709
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✓ Branch 1 taken 946 times.
 1142 if (s->update_altref != VP56_FRAME_NONE)
2710 196 s->next_framep[VP56_FRAME_GOLDEN2] = s->framep[s->update_altref];
2711 else
2712 946 s->next_framep[VP56_FRAME_GOLDEN2] = s->framep[VP56_FRAME_GOLDEN2];
2713
2714
2/2
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 1142 if (s->update_golden != VP56_FRAME_NONE)
2715 139 s->next_framep[VP56_FRAME_GOLDEN] = s->framep[s->update_golden];
2716 else
2717 1003 s->next_framep[VP56_FRAME_GOLDEN] = s->framep[VP56_FRAME_GOLDEN];
2718
2719
2/2
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✓ Branch 1 taken 11 times.
 1142 if (s->update_last)
2720 1131 s->next_framep[VP56_FRAME_PREVIOUS] = curframe;
2721 else
2722 11 s->next_framep[VP56_FRAME_PREVIOUS] = s->framep[VP56_FRAME_PREVIOUS];
2723
2724 1142 s->next_framep[VP56_FRAME_CURRENT] = curframe;
2725
2726
2/2
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✓ Branch 2 taken 36 times.
 1142 if (ffcodec(avctx->codec)->update_thread_context)
2727 1106 ff_thread_finish_setup(avctx);
2728
2729
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 1142 if (avctx->hwaccel) {
2730 ✗ ret = avctx->hwaccel->start_frame(avctx, avpkt->data, avpkt->size);
2731 ✗ if (ret < 0)
2732 ✗ goto err;
2733
2734 ✗ ret = avctx->hwaccel->decode_slice(avctx, avpkt->data, avpkt->size);
2735 ✗ if (ret < 0)
2736 ✗ goto err;
2737
2738 ✗ ret = avctx->hwaccel->end_frame(avctx);
2739 ✗ if (ret < 0)
2740 ✗ goto err;
2741
2742 } else {
2743 1142 s->linesize = curframe->tf.f->linesize[0];
2744 1142 s->uvlinesize = curframe->tf.f->linesize[1];
2745
2746 1142 memset(s->top_nnz, 0, s->mb_width * sizeof(*s->top_nnz));
2747 /* Zero macroblock structures for top/top-left prediction
2748 * from outside the frame. */
2749
2/2
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✓ Branch 1 taken 30 times.
 1142 if (!s->mb_layout)
2750 1112 memset(s->macroblocks + s->mb_height * 2 - 1, 0,
2751 1112 (s->mb_width + 1) * sizeof(*s->macroblocks));
2752
4/4
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✓ Branch 1 taken 30 times.
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✓ Branch 3 taken 1064 times.
 1142 if (!s->mb_layout && s->keyframe)
2753 48 memset(s->intra4x4_pred_mode_top, DC_PRED, s->mb_width * 4);
2754
2755 1142 memset(s->ref_count, 0, sizeof(s->ref_count));
2756
2757
2/2
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 1142 if (s->mb_layout == 1) {
2758 // Make sure the previous frame has read its segmentation map,
2759 // if we re-use the same map.
2760
3/4
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 30 if (prev_frame && s->segmentation.enabled &&
2761 ✗ !s->segmentation.update_map)
2762 ✗ ff_thread_await_progress(&prev_frame->tf, 1, 0);
2763
1/2
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 30 if (is_vp7)
2764 30 ret = vp7_decode_mv_mb_modes(avctx, curframe, prev_frame);
2765 else
2766 ✗ ret = vp8_decode_mv_mb_modes(avctx, curframe, prev_frame);
2767
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 30 if (ret < 0)
2768 ✗ goto err;
2769 }
2770
2771
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 1142 if (avctx->active_thread_type == FF_THREAD_FRAME)
2772 ✗ num_jobs = 1;
2773 else
2774 1142 num_jobs = FFMIN(s->num_coeff_partitions, avctx->thread_count);
2775 1142 s->num_jobs = num_jobs;
2776 1142 s->curframe = curframe;
2777 1142 s->prev_frame = prev_frame;
2778 1142 s->mv_bounds.mv_min.y = -MARGIN;
2779 1142 s->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
2780
2/2
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 10278 for (i = 0; i < MAX_THREADS; i++) {
2781 9136 VP8ThreadData *td = &s->thread_data[i];
2782 9136 atomic_init(&td->thread_mb_pos, 0);
2783 9136 atomic_init(&td->wait_mb_pos, INT_MAX);
2784 }
2785
2/2
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✓ Branch 1 taken 1112 times.
 1142 if (is_vp7)
2786 30 avctx->execute2(avctx, vp7_decode_mb_row_sliced, s->thread_data, NULL,
2787 num_jobs);
2788 else
2789 1112 avctx->execute2(avctx, vp8_decode_mb_row_sliced, s->thread_data, NULL,
2790 num_jobs);
2791 }
2792
2793 1142 ff_thread_report_progress(&curframe->tf, INT_MAX, 0);
2794 1142 memcpy(&s->framep[0], &s->next_framep[0], sizeof(s->framep[0]) * 4);
2795
2796 1142 skip_decode:
2797 // if future frames don't use the updated probabilities,
2798 // reset them to the values we saved
2799
2/2
✓ Branch 0 taken 64 times.
✓ Branch 1 taken 1078 times.
 1142 if (!s->update_probabilities)
2800 64 s->prob[0] = s->prob[1];
2801
2802
2/2
✓ Branch 0 taken 1133 times.
✓ Branch 1 taken 9 times.
 1142 if (!s->invisible) {
2803
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1133 times.
 1133 if ((ret = av_frame_ref(rframe, curframe->tf.f)) < 0)
2804 ✗ return ret;
2805 1133 *got_frame = 1;
2806 }
2807
2808 1142 return avpkt->size;
2809 ✗ err:
2810 ✗ memcpy(&s->next_framep[0], &s->framep[0], sizeof(s->framep[0]) * 4);
2811 ✗ return ret;
2812 }
2813
2814 1112 int ff_vp8_decode_frame(AVCodecContext *avctx, AVFrame *frame,
2815 int *got_frame, AVPacket *avpkt)
2816 {
2817 1112 return vp78_decode_frame(avctx, frame, got_frame, avpkt, IS_VP8);
2818 }
2819
2820 #if CONFIG_VP7_DECODER
2821 30 static int vp7_decode_frame(AVCodecContext *avctx, AVFrame *frame,
2822 int *got_frame, AVPacket *avpkt)
2823 {
2824 30 return vp78_decode_frame(avctx, frame, got_frame, avpkt, IS_VP7);
2825 }
2826 #endif /* CONFIG_VP7_DECODER */
2827
2828 63 av_cold int ff_vp8_decode_free(AVCodecContext *avctx)
2829 {
2830 63 VP8Context *s = avctx->priv_data;
2831 int i;
2832
2833 63 vp8_decode_flush_impl(avctx, 1);
2834
2/2
✓ Branch 0 taken 315 times.
✓ Branch 1 taken 63 times.
 378 for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++)
2835 315 av_frame_free(&s->frames[i].tf.f);
2836
2837 63 return 0;
2838 }
2839
2840 63 static av_cold int vp8_init_frames(VP8Context *s)
2841 {
2842 int i;
2843
2/2
✓ Branch 0 taken 315 times.
✓ Branch 1 taken 63 times.
 378 for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++) {
2844 315 s->frames[i].tf.f = av_frame_alloc();
2845
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 315 times.
 315 if (!s->frames[i].tf.f)
2846 ✗ return AVERROR(ENOMEM);
2847 }
2848 63 return 0;
2849 }
2850
2851 static av_always_inline
2852 63 int vp78_decode_init(AVCodecContext *avctx, int is_vp7)
2853 {
2854 63 VP8Context *s = avctx->priv_data;
2855 int ret;
2856
2857 63 s->avctx = avctx;
2858 63 s->vp7 = avctx->codec->id == AV_CODEC_ID_VP7;
2859 63 s->pix_fmt = AV_PIX_FMT_NONE;
2860 63 avctx->pix_fmt = AV_PIX_FMT_YUV420P;
2861
2862 63 ff_videodsp_init(&s->vdsp, 8);
2863
2864 63 ff_vp78dsp_init(&s->vp8dsp);
2865
2/2
✓ Branch 0 taken 3 times.
✓ Branch 1 taken 60 times.
 63 if (CONFIG_VP7_DECODER && is_vp7) {
2866 3 ff_h264_pred_init(&s->hpc, AV_CODEC_ID_VP7, 8, 1);
2867 3 ff_vp7dsp_init(&s->vp8dsp);
2868 3 s->decode_mb_row_no_filter = vp7_decode_mb_row_no_filter;
2869 3 s->filter_mb_row = vp7_filter_mb_row;
2870
1/2
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✗ Branch 1 not taken.
 60 } else if (CONFIG_VP8_DECODER && !is_vp7) {
2871 60 ff_h264_pred_init(&s->hpc, AV_CODEC_ID_VP8, 8, 1);
2872 60 ff_vp8dsp_init(&s->vp8dsp);
2873 60 s->decode_mb_row_no_filter = vp8_decode_mb_row_no_filter;
2874 60 s->filter_mb_row = vp8_filter_mb_row;
2875 }
2876
2877 /* does not change for VP8 */
2878 63 memcpy(s->prob[0].scan, ff_zigzag_scan, sizeof(s->prob[0].scan));
2879
2880
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 63 times.
 63 if ((ret = vp8_init_frames(s)) < 0) {
2881 ✗ ff_vp8_decode_free(avctx);
2882 ✗ return ret;
2883 }
2884
2885 63 return 0;
2886 }
2887
2888 #if CONFIG_VP7_DECODER
2889 3 static int vp7_decode_init(AVCodecContext *avctx)
2890 {
2891 3 return vp78_decode_init(avctx, IS_VP7);
2892 }
2893 #endif /* CONFIG_VP7_DECODER */
2894
2895 60 av_cold int ff_vp8_decode_init(AVCodecContext *avctx)
2896 {
2897 60 return vp78_decode_init(avctx, IS_VP8);
2898 }
2899
2900 #if CONFIG_VP8_DECODER
2901 #if HAVE_THREADS
2902 #define REBASE(pic) ((pic) ? (pic) - &s_src->frames[0] + &s->frames[0] : NULL)
2903
2904 ✗ static int vp8_decode_update_thread_context(AVCodecContext *dst,
2905 const AVCodecContext *src)
2906 {
2907 ✗ VP8Context *s = dst->priv_data, *s_src = src->priv_data;
2908 int i;
2909
2910 ✗ if (s->macroblocks_base &&
2911 ✗ (s_src->mb_width != s->mb_width || s_src->mb_height != s->mb_height)) {
2912 ✗ free_buffers(s);
2913 ✗ s->mb_width = s_src->mb_width;
2914 ✗ s->mb_height = s_src->mb_height;
2915 }
2916
2917 ✗ s->pix_fmt = s_src->pix_fmt;
2918 ✗ s->prob[0] = s_src->prob[!s_src->update_probabilities];
2919 ✗ s->segmentation = s_src->segmentation;
2920 ✗ s->lf_delta = s_src->lf_delta;
2921 ✗ memcpy(s->sign_bias, s_src->sign_bias, sizeof(s->sign_bias));
2922
2923 ✗ for (i = 0; i < FF_ARRAY_ELEMS(s_src->frames); i++) {
2924 ✗ if (s_src->frames[i].tf.f->buf[0]) {
2925 ✗ int ret = vp8_ref_frame(s, &s->frames[i], &s_src->frames[i]);
2926 ✗ if (ret < 0)
2927 ✗ return ret;
2928 }
2929 }
2930
2931 ✗ s->framep[0] = REBASE(s_src->next_framep[0]);
2932 ✗ s->framep[1] = REBASE(s_src->next_framep[1]);
2933 ✗ s->framep[2] = REBASE(s_src->next_framep[2]);
2934 ✗ s->framep[3] = REBASE(s_src->next_framep[3]);
2935
2936 ✗ return 0;
2937 }
2938 #endif /* HAVE_THREADS */
2939 #endif /* CONFIG_VP8_DECODER */
2940
2941 #if CONFIG_VP7_DECODER
2942 const FFCodec ff_vp7_decoder = {
2943 .p.name = "vp7",
2944 .p.long_name = NULL_IF_CONFIG_SMALL("On2 VP7"),
2945 .p.type = AVMEDIA_TYPE_VIDEO,
2946 .p.id = AV_CODEC_ID_VP7,
2947 .priv_data_size = sizeof(VP8Context),
2948 .init = vp7_decode_init,
2949 .close = ff_vp8_decode_free,
2950 FF_CODEC_DECODE_CB(vp7_decode_frame),
2951 .p.capabilities = AV_CODEC_CAP_DR1,
2952 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
2953 .flush = vp8_decode_flush,
2954 };
2955 #endif /* CONFIG_VP7_DECODER */
2956
2957 #if CONFIG_VP8_DECODER
2958 const FFCodec ff_vp8_decoder = {
2959 .p.name = "vp8",
2960 .p.long_name = NULL_IF_CONFIG_SMALL("On2 VP8"),
2961 .p.type = AVMEDIA_TYPE_VIDEO,
2962 .p.id = AV_CODEC_ID_VP8,
2963 .priv_data_size = sizeof(VP8Context),
2964 .init = ff_vp8_decode_init,
2965 .close = ff_vp8_decode_free,
2966 FF_CODEC_DECODE_CB(ff_vp8_decode_frame),
2967 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
2968 AV_CODEC_CAP_SLICE_THREADS,
2969 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
2970 FF_CODEC_CAP_ALLOCATE_PROGRESS,
2971 .flush = vp8_decode_flush,
2972 .update_thread_context = ONLY_IF_THREADS_ENABLED(vp8_decode_update_thread_context),
2973 .hw_configs = (const AVCodecHWConfigInternal *const []) {
2974 #if CONFIG_VP8_VAAPI_HWACCEL
2975 HWACCEL_VAAPI(vp8),
2976 #endif
2977 #if CONFIG_VP8_NVDEC_HWACCEL
2978 HWACCEL_NVDEC(vp8),
2979 #endif
2980 NULL
2981 },
2982 };
2983 #endif /* CONFIG_VP7_DECODER */
2984