FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/vp8.c
Date: 2025-10-26 07:25:09
Exec Total Coverage
Lines: 1369 1600 85.6%
Functions: 77 84 91.7%
Branches: 815 1157 70.4%
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/mem.h"
30 #include "libavutil/mem_internal.h"
31
32 #include "avcodec.h"
33 #include "codec_internal.h"
34 #include "decode.h"
35 #include "hwaccel_internal.h"
36 #include "hwconfig.h"
37 #include "mathops.h"
38 #include "progressframe.h"
39 #include "libavutil/refstruct.h"
40 #include "thread.h"
41 #include "vp8.h"
42 #include "vp89_rac.h"
43 #include "vp8data.h"
44 #include "vpx_rac.h"
45
46 #if ARCH_ARM
47 # include "arm/vp8.h"
48 #endif
49
50 // fixme: add 1 bit to all the calls to this?
51 6114 static int vp8_rac_get_sint(VPXRangeCoder *c, int bits)
52 {
53 int v;
54
55
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 6114 if (!vp89_rac_get(c))
56 5369 return 0;
57
58 745 v = vp89_rac_get_uint(c, bits);
59
60
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 745 if (vp89_rac_get(c))
61 98 v = -v;
62
63 745 return v;
64 }
65
66 306 static int vp8_rac_get_nn(VPXRangeCoder *c)
67 {
68 306 int v = vp89_rac_get_uint(c, 7) << 1;
69 306 return v + !v;
70 }
71
72 // DCTextra
73 45851 static int vp8_rac_get_coeff(VPXRangeCoder *c, const uint8_t *prob)
74 {
75 45851 int v = 0;
76
77 do {
78 173072 v = (v<<1) + vpx_rac_get_prob(c, *prob++);
79
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 173072 } while (*prob);
80
81 45851 return v;
82 }
83
84 77 static void free_buffers(VP8Context *s)
85 {
86 int i;
87
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 77 if (s->thread_data)
88
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 342 for (i = 0; i < MAX_THREADS; i++) {
89 #if HAVE_THREADS
90 304 pthread_cond_destroy(&s->thread_data[i].cond);
91 304 pthread_mutex_destroy(&s->thread_data[i].lock);
92 #endif
93 304 av_freep(&s->thread_data[i].filter_strength);
94 }
95 77 av_freep(&s->thread_data);
96 77 av_freep(&s->macroblocks_base);
97 77 av_freep(&s->intra4x4_pred_mode_top);
98 77 av_freep(&s->top_nnz);
99 77 av_freep(&s->top_border);
100
101 77 s->macroblocks = NULL;
102 77 }
103
104 1146 static int vp8_alloc_frame(VP8Context *s, VP8Frame *f, int ref)
105 {
106 1146 int ret = ff_progress_frame_get_buffer(s->avctx, &f->tf,
107 ref ? AV_GET_BUFFER_FLAG_REF : 0);
108
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 1146 if (ret < 0)
109 ✗ return ret;
110 1146 f->seg_map = av_refstruct_allocz(s->mb_width * s->mb_height);
111
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 1146 if (!f->seg_map) {
112 ✗ ret = AVERROR(ENOMEM);
113 ✗ goto fail;
114 }
115 1146 ret = ff_hwaccel_frame_priv_alloc(s->avctx, &f->hwaccel_picture_private);
116
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 1146 if (ret < 0)
117 ✗ goto fail;
118
119 1146 return 0;
120
121 ✗ fail:
122 ✗ av_refstruct_unref(&f->seg_map);
123 ✗ ff_progress_frame_unref(&f->tf);
124 ✗ return ret;
125 }
126
127 1420 static void vp8_release_frame(VP8Frame *f)
128 {
129 1420 av_refstruct_unref(&f->seg_map);
130 1420 av_refstruct_unref(&f->hwaccel_picture_private);
131 1420 ff_progress_frame_unref(&f->tf);
132 1420 }
133
134 77 static av_cold void vp8_decode_flush_impl(AVCodecContext *avctx, int free_mem)
135 {
136 77 VP8Context *s = avctx->priv_data;
137 int i;
138
139
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 462 for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++)
140 385 vp8_release_frame(&s->frames[i]);
141 77 memset(s->framep, 0, sizeof(s->framep));
142
143
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 77 if (free_mem)
144 77 free_buffers(s);
145
146
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 77 if (FF_HW_HAS_CB(avctx, flush))
147 ✗ FF_HW_SIMPLE_CALL(avctx, flush);
148 77 }
149
150 ✗ static av_cold void vp8_decode_flush(AVCodecContext *avctx)
151 {
152 ✗ vp8_decode_flush_impl(avctx, 0);
153 ✗ }
154
155 1146 static VP8Frame *vp8_find_free_buffer(VP8Context *s)
156 {
157 1146 VP8Frame *frame = NULL;
158 int i;
159
160 // find a free buffer
161
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 2799 for (i = 0; i < 5; i++)
162
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 2799 if (&s->frames[i] != s->framep[VP8_FRAME_CURRENT] &&
163
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 2207 &s->frames[i] != s->framep[VP8_FRAME_PREVIOUS] &&
164
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 2206 &s->frames[i] != s->framep[VP8_FRAME_GOLDEN] &&
165
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 1604 &s->frames[i] != s->framep[VP8_FRAME_ALTREF]) {
166 1146 frame = &s->frames[i];
167 1146 break;
168 }
169
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 1146 if (i == 5) {
170 ✗ av_log(s->avctx, AV_LOG_FATAL, "Ran out of free frames!\n");
171 ✗ abort();
172 }
173
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 1146 if (frame->tf.f)
174 ✗ vp8_release_frame(frame);
175
176 1146 return frame;
177 }
178
179 21 static enum AVPixelFormat get_pixel_format(VP8Context *s)
180 {
181 21 enum AVPixelFormat pix_fmts[] = {
182 #if CONFIG_VP8_VAAPI_HWACCEL
183 AV_PIX_FMT_VAAPI,
184 #endif
185 #if CONFIG_VP8_NVDEC_HWACCEL
186 AV_PIX_FMT_CUDA,
187 #endif
188 AV_PIX_FMT_YUV420P,
189 AV_PIX_FMT_NONE,
190 };
191
192 21 return ff_get_format(s->avctx, pix_fmts);
193 }
194
195 static av_always_inline
196 38 int update_dimensions(VP8Context *s, int width, int height, int is_vp7)
197 {
198 38 AVCodecContext *avctx = s->avctx;
199 38 int i, ret, dim_reset = 0;
200
201
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 38 if (width != s->avctx->width || ((width+15)/16 != s->mb_width || (height+15)/16 != s->mb_height) && s->macroblocks_base ||
202
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 24 height != s->avctx->height) {
203 14 vp8_decode_flush_impl(s->avctx, 1);
204
205 14 ret = ff_set_dimensions(s->avctx, width, height);
206
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 14 if (ret < 0)
207 ✗ return ret;
208
209 14 dim_reset = (s->macroblocks_base != NULL);
210 }
211
212
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 38 if ((s->pix_fmt == AV_PIX_FMT_NONE || dim_reset) &&
213
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 28 !s->actually_webp && !is_vp7) {
214 21 s->pix_fmt = get_pixel_format(s);
215
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 21 if (s->pix_fmt < 0)
216 ✗ return AVERROR(EINVAL);
217 21 avctx->pix_fmt = s->pix_fmt;
218 }
219
220 38 s->mb_width = (s->avctx->coded_width + 15) / 16;
221 38 s->mb_height = (s->avctx->coded_height + 15) / 16;
222
223
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 38 s->mb_layout = is_vp7 || avctx->active_thread_type == FF_THREAD_SLICE &&
224 ✗ avctx->thread_count > 1;
225
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 38 if (!s->mb_layout) { // Frame threading and one thread
226 37 s->macroblocks_base = av_mallocz((s->mb_width + s->mb_height * 2 + 1) *
227 sizeof(*s->macroblocks));
228 37 s->intra4x4_pred_mode_top = av_mallocz(s->mb_width * 4);
229 } else // Sliced threading
230 1 s->macroblocks_base = av_mallocz((s->mb_width + 2) * (s->mb_height + 2) *
231 sizeof(*s->macroblocks));
232 38 s->top_nnz = av_mallocz(s->mb_width * sizeof(*s->top_nnz));
233 38 s->top_border = av_mallocz((s->mb_width + 1) * sizeof(*s->top_border));
234 38 s->thread_data = av_mallocz(MAX_THREADS * sizeof(VP8ThreadData));
235
236
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 38 if (!s->macroblocks_base || !s->top_nnz || !s->top_border ||
237
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 38 !s->thread_data || (!s->intra4x4_pred_mode_top && !s->mb_layout)) {
238 ✗ free_buffers(s);
239 ✗ return AVERROR(ENOMEM);
240 }
241
242
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 342 for (i = 0; i < MAX_THREADS; i++) {
243 608 s->thread_data[i].filter_strength =
244 304 av_mallocz(s->mb_width * sizeof(*s->thread_data[0].filter_strength));
245
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 304 if (!s->thread_data[i].filter_strength) {
246 ✗ free_buffers(s);
247 ✗ return AVERROR(ENOMEM);
248 }
249 #if HAVE_THREADS
250 304 ret = pthread_mutex_init(&s->thread_data[i].lock, NULL);
251
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 304 if (ret) {
252 ✗ free_buffers(s);
253 ✗ return AVERROR(ret);
254 }
255 304 ret = pthread_cond_init(&s->thread_data[i].cond, NULL);
256
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 304 if (ret) {
257 ✗ free_buffers(s);
258 ✗ return AVERROR(ret);
259 }
260 #endif
261 }
262
263 38 s->macroblocks = s->macroblocks_base + 1;
264
265 38 return 0;
266 }
267
268 1 static int vp7_update_dimensions(VP8Context *s, int width, int height)
269 {
270 1 return update_dimensions(s, width, height, IS_VP7);
271 }
272
273 37 static int vp8_update_dimensions(VP8Context *s, int width, int height)
274 {
275 37 return update_dimensions(s, width, height, IS_VP8);
276 }
277
278
279 433 static void parse_segment_info(VP8Context *s)
280 {
281 433 VPXRangeCoder *c = &s->c;
282 int i;
283
284 433 s->segmentation.update_map = vp89_rac_get(c);
285 433 s->segmentation.update_feature_data = vp89_rac_get(c);
286
287
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 433 if (s->segmentation.update_feature_data) {
288 68 s->segmentation.absolute_vals = vp89_rac_get(c);
289
290
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 340 for (i = 0; i < 4; i++)
291 272 s->segmentation.base_quant[i] = vp8_rac_get_sint(c, 7);
292
293
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 340 for (i = 0; i < 4; i++)
294 272 s->segmentation.filter_level[i] = vp8_rac_get_sint(c, 6);
295 }
296
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 433 if (s->segmentation.update_map)
297
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 272 for (i = 0; i < 3; i++)
298
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 204 s->prob->segmentid[i] = vp89_rac_get(c) ? vp89_rac_get_uint(c, 8) : 255;
299 433 }
300
301 43 static void update_lf_deltas(VP8Context *s)
302 {
303 43 VPXRangeCoder *c = &s->c;
304 int i;
305
306
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 215 for (i = 0; i < 4; i++) {
307
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 172 if (vp89_rac_get(c)) {
308 129 s->lf_delta.ref[i] = vp89_rac_get_uint(c, 6);
309
310
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 129 if (vp89_rac_get(c))
311 86 s->lf_delta.ref[i] = -s->lf_delta.ref[i];
312 }
313 }
314
315
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 215 for (i = MODE_I4x4; i <= VP8_MVMODE_SPLIT; i++) {
316
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 172 if (vp89_rac_get(c)) {
317 172 s->lf_delta.mode[i] = vp89_rac_get_uint(c, 6);
318
319
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 172 if (vp89_rac_get(c))
320 43 s->lf_delta.mode[i] = -s->lf_delta.mode[i];
321 }
322 }
323 43 }
324
325 1114 static int setup_partitions(VP8Context *s, const uint8_t *buf, int buf_size)
326 {
327 1114 const uint8_t *sizes = buf;
328 int i;
329 int ret;
330
331 1114 s->num_coeff_partitions = 1 << vp89_rac_get_uint(&s->c, 2);
332
333 1114 buf += 3 * (s->num_coeff_partitions - 1);
334 1114 buf_size -= 3 * (s->num_coeff_partitions - 1);
335
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 1114 if (buf_size < 0)
336 ✗ return -1;
337
338
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 1453 for (i = 0; i < s->num_coeff_partitions - 1; i++) {
339 339 int size = AV_RL24(sizes + 3 * i);
340
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 339 if (buf_size - size < 0)
341 ✗ return -1;
342 339 s->coeff_partition_size[i] = size;
343
344 339 ret = ff_vpx_init_range_decoder(&s->coeff_partition[i], buf, size);
345
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 339 if (ret < 0)
346 ✗ return ret;
347 339 buf += size;
348 339 buf_size -= size;
349 }
350
351 1114 s->coeff_partition_size[i] = buf_size;
352
353 1114 return ff_vpx_init_range_decoder(&s->coeff_partition[i], buf, buf_size);
354 }
355
356 32 static void vp7_get_quants(VP8Context *s)
357 {
358 32 VPXRangeCoder *c = &s->c;
359
360 32 int yac_qi = vp89_rac_get_uint(c, 7);
361
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 32 int ydc_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
362
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 32 int y2dc_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
363
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 32 int y2ac_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
364
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 32 int uvdc_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
365
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 32 int uvac_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
366
367 32 s->qmat[0].luma_qmul[0] = vp7_ydc_qlookup[ydc_qi];
368 32 s->qmat[0].luma_qmul[1] = vp7_yac_qlookup[yac_qi];
369 32 s->qmat[0].luma_dc_qmul[0] = vp7_y2dc_qlookup[y2dc_qi];
370 32 s->qmat[0].luma_dc_qmul[1] = vp7_y2ac_qlookup[y2ac_qi];
371 32 s->qmat[0].chroma_qmul[0] = FFMIN(vp7_ydc_qlookup[uvdc_qi], 132);
372 32 s->qmat[0].chroma_qmul[1] = vp7_yac_qlookup[uvac_qi];
373 32 }
374
375 1114 static void vp8_get_quants(VP8Context *s)
376 {
377 1114 VPXRangeCoder *c = &s->c;
378 int i, base_qi;
379
380 1114 s->quant.yac_qi = vp89_rac_get_uint(c, 7);
381 1114 s->quant.ydc_delta = vp8_rac_get_sint(c, 4);
382 1114 s->quant.y2dc_delta = vp8_rac_get_sint(c, 4);
383 1114 s->quant.y2ac_delta = vp8_rac_get_sint(c, 4);
384 1114 s->quant.uvdc_delta = vp8_rac_get_sint(c, 4);
385 1114 s->quant.uvac_delta = vp8_rac_get_sint(c, 4);
386
387
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 5570 for (i = 0; i < 4; i++) {
388
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 4456 if (s->segmentation.enabled) {
389 1732 base_qi = s->segmentation.base_quant[i];
390
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 1732 if (!s->segmentation.absolute_vals)
391 1608 base_qi += s->quant.yac_qi;
392 } else
393 2724 base_qi = s->quant.yac_qi;
394
395 4456 s->qmat[i].luma_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + s->quant.ydc_delta, 7)];
396 4456 s->qmat[i].luma_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi, 7)];
397 4456 s->qmat[i].luma_dc_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + s->quant.y2dc_delta, 7)] * 2;
398 /* 101581>>16 is equivalent to 155/100 */
399 4456 s->qmat[i].luma_dc_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi + s->quant.y2ac_delta, 7)] * 101581 >> 16;
400 4456 s->qmat[i].chroma_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + s->quant.uvdc_delta, 7)];
401 4456 s->qmat[i].chroma_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi + s->quant.uvac_delta, 7)];
402
403 4456 s->qmat[i].luma_dc_qmul[1] = FFMAX(s->qmat[i].luma_dc_qmul[1], 8);
404 4456 s->qmat[i].chroma_qmul[0] = FFMIN(s->qmat[i].chroma_qmul[0], 132);
405 }
406 1114 }
407
408 /**
409 * Determine which buffers golden and altref should be updated with after this frame.
410 * The spec isn't clear here, so I'm going by my understanding of what libvpx does
411 *
412 * Intra frames update all 3 references
413 * Inter frames update VP8_FRAME_PREVIOUS if the update_last flag is set
414 * If the update (golden|altref) flag is set, it's updated with the current frame
415 * if update_last is set, and VP8_FRAME_PREVIOUS otherwise.
416 * If the flag is not set, the number read means:
417 * 0: no update
418 * 1: VP8_FRAME_PREVIOUS
419 * 2: update golden with altref, or update altref with golden
420 */
421 2130 static VP8FrameType ref_to_update(VP8Context *s, int update, VP8FrameType ref)
422 {
423 2130 VPXRangeCoder *c = &s->c;
424
425
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 2130 if (update)
426 90 return VP8_FRAME_CURRENT;
427
428
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 2040 switch (vp89_rac_get_uint(c, 2)) {
429 31 case 1:
430 31 return VP8_FRAME_PREVIOUS;
431 84 case 2:
432
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 84 return (ref == VP8_FRAME_GOLDEN) ? VP8_FRAME_ALTREF : VP8_FRAME_GOLDEN;
433 }
434 1925 return VP8_FRAME_NONE;
435 }
436
437 50 static void vp78_reset_probability_tables(VP8Context *s)
438 {
439 int i, j;
440
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441
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442 3200 memcpy(s->prob->token[i][j], vp8_token_default_probs[i][vp8_coeff_band[j]],
443 sizeof(s->prob->token[i][j]));
444 50 }
445
446 1146 static void vp78_update_probability_tables(VP8Context *s)
447 {
448 1146 VPXRangeCoder *c = &s->c;
449 int i, j, k, l, m;
450
451
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452
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453
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454
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 1320192 for (l = 0; l < NUM_DCT_TOKENS-1; l++)
455
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 1210176 if (vpx_rac_get_prob_branchy(c, ff_vp8_token_update_probs[i][j][k][l])) {
456 7428 int prob = vp89_rac_get_uint(c, 8);
457
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 24624 for (m = 0; vp8_coeff_band_indexes[j][m] >= 0; m++)
458 17196 s->prob->token[i][vp8_coeff_band_indexes[j][m]][k][l] = prob;
459 }
460 1146 }
461
462 #define VP7_MVC_SIZE 17
463 #define VP8_MVC_SIZE 19
464
465 1096 static void vp78_update_pred16x16_pred8x8_mvc_probabilities(VP8Context *s,
466 int mvc_size)
467 {
468 1096 VPXRangeCoder *c = &s->c;
469 int i, j;
470
471
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 1096 if (vp89_rac_get(c))
472
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 10 for (i = 0; i < 4; i++)
473 8 s->prob->pred16x16[i] = vp89_rac_get_uint(c, 8);
474
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 1096 if (vp89_rac_get(c))
475
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 4 for (i = 0; i < 3; i++)
476 3 s->prob->pred8x8c[i] = vp89_rac_get_uint(c, 8);
477
478 // 17.2 MV probability update
479
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480
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481
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 41524 if (vpx_rac_get_prob_branchy(c, vp8_mv_update_prob[i][j]))
482 306 s->prob->mvc[i][j] = vp8_rac_get_nn(c);
483 1096 }
484
485 1065 static void update_refs(VP8Context *s)
486 {
487 1065 VPXRangeCoder *c = &s->c;
488
489 1065 int update_golden = vp89_rac_get(c);
490 1065 int update_altref = vp89_rac_get(c);
491
492 1065 s->update_golden = ref_to_update(s, update_golden, VP8_FRAME_GOLDEN);
493 1065 s->update_altref = ref_to_update(s, update_altref, VP8_FRAME_ALTREF);
494 1065 }
495
496 ✗ static void copy_chroma(AVFrame *dst, const AVFrame *src, int width, int height)
497 {
498 int i, j;
499
500 ✗ for (j = 1; j < 3; j++) {
501 ✗ for (i = 0; i < height / 2; i++)
502 ✗ memcpy(dst->data[j] + i * dst->linesize[j],
503 ✗ src->data[j] + i * src->linesize[j], width / 2);
504 }
505 ✗ }
506
507 ✗ static void fade(uint8_t *dst, ptrdiff_t dst_linesize,
508 const uint8_t *src, ptrdiff_t src_linesize,
509 int width, int height,
510 int alpha, int beta)
511 {
512 int i, j;
513 ✗ for (j = 0; j < height; j++) {
514 ✗ const uint8_t *src2 = src + j * src_linesize;
515 ✗ uint8_t *dst2 = dst + j * dst_linesize;
516 ✗ for (i = 0; i < width; i++) {
517 ✗ uint8_t y = src2[i];
518 ✗ dst2[i] = av_clip_uint8(y + ((y * beta) >> 8) + alpha);
519 }
520 }
521 ✗ }
522
523 32 static int vp7_fade_frame(VP8Context *s, int alpha, int beta)
524 {
525 int ret;
526
527
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 32 if (!s->keyframe && (alpha || beta)) {
528 ✗ int width = s->mb_width * 16;
529 ✗ int height = s->mb_height * 16;
530 const AVFrame *src;
531 AVFrame *dst;
532
533 ✗ if (!s->framep[VP8_FRAME_PREVIOUS] ||
534 ✗ !s->framep[VP8_FRAME_GOLDEN]) {
535 ✗ av_log(s->avctx, AV_LOG_WARNING, "Discarding interframe without a prior keyframe!\n");
536 ✗ return AVERROR_INVALIDDATA;
537 }
538
539 ✗ src =
540 ✗ dst = s->framep[VP8_FRAME_PREVIOUS]->tf.f;
541
542 /* preserve the golden frame, write a new previous frame */
543 ✗ if (s->framep[VP8_FRAME_GOLDEN] == s->framep[VP8_FRAME_PREVIOUS]) {
544 ✗ VP8Frame *prev_frame = vp8_find_free_buffer(s);
545
546 ✗ ret = vp8_alloc_frame(s, prev_frame, 1);
547 ✗ if (ret < 0)
548 ✗ return ret;
549 ✗ s->framep[VP8_FRAME_PREVIOUS] = prev_frame;
550
551 ✗ dst = s->framep[VP8_FRAME_PREVIOUS]->tf.f;
552
553 ✗ copy_chroma(dst, src, width, height);
554 }
555
556 ✗ fade(dst->data[0], dst->linesize[0],
557 ✗ src->data[0], src->linesize[0],
558 width, height, alpha, beta);
559 }
560
561 32 return 0;
562 }
563
564 32 static int vp7_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
565 {
566 32 VPXRangeCoder *c = &s->c;
567 int part1_size, hscale, vscale, i, j, ret;
568 32 int width = s->avctx->width;
569 32 int height = s->avctx->height;
570 32 int alpha = 0;
571 32 int beta = 0;
572 32 int fade_present = 1;
573
574
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 32 if (buf_size < 4) {
575 ✗ return AVERROR_INVALIDDATA;
576 }
577
578 32 s->profile = (buf[0] >> 1) & 7;
579
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 32 if (s->profile > 1) {
580 ✗ avpriv_request_sample(s->avctx, "Unknown profile %d", s->profile);
581 ✗ return AVERROR_INVALIDDATA;
582 }
583
584 32 s->keyframe = !(buf[0] & 1);
585 32 s->invisible = 0;
586 32 part1_size = AV_RL24(buf) >> 4;
587
588
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 32 if (buf_size < 4 - s->profile + part1_size) {
589 ✗ av_log(s->avctx, AV_LOG_ERROR, "Buffer size %d is too small, needed : %d\n", buf_size, 4 - s->profile + part1_size);
590 ✗ return AVERROR_INVALIDDATA;
591 }
592
593 32 buf += 4 - s->profile;
594 32 buf_size -= 4 - s->profile;
595
596 32 memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_epel_pixels_tab, sizeof(s->put_pixels_tab));
597
598 32 ret = ff_vpx_init_range_decoder(c, buf, part1_size);
599
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 32 if (ret < 0)
600 ✗ return ret;
601 32 buf += part1_size;
602 32 buf_size -= part1_size;
603
604 /* A. Dimension information (keyframes only) */
605
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 32 if (s->keyframe) {
606 1 width = vp89_rac_get_uint(c, 12);
607 1 height = vp89_rac_get_uint(c, 12);
608 1 hscale = vp89_rac_get_uint(c, 2);
609 1 vscale = vp89_rac_get_uint(c, 2);
610
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 1 if (hscale || vscale)
611 ✗ avpriv_request_sample(s->avctx, "Upscaling");
612
613 1 s->update_golden = s->update_altref = VP8_FRAME_CURRENT;
614 1 vp78_reset_probability_tables(s);
615 1 memcpy(s->prob->pred16x16, vp8_pred16x16_prob_inter,
616 sizeof(s->prob->pred16x16));
617 1 memcpy(s->prob->pred8x8c, vp8_pred8x8c_prob_inter,
618 sizeof(s->prob->pred8x8c));
619
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 3 for (i = 0; i < 2; i++)
620 2 memcpy(s->prob->mvc[i], vp7_mv_default_prob[i],
621 sizeof(vp7_mv_default_prob[i]));
622 1 memset(&s->segmentation, 0, sizeof(s->segmentation));
623 1 memset(&s->lf_delta, 0, sizeof(s->lf_delta));
624 1 memcpy(s->prob[0].scan, ff_zigzag_scan, sizeof(s->prob[0].scan));
625 }
626
627
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 32 if (s->keyframe || s->profile > 0)
628 1 memset(s->inter_dc_pred, 0 , sizeof(s->inter_dc_pred));
629
630 /* B. Decoding information for all four macroblock-level features */
631
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 160 for (i = 0; i < 4; i++) {
632 128 s->feature_enabled[i] = vp89_rac_get(c);
633
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 128 if (s->feature_enabled[i]) {
634 ✗ s->feature_present_prob[i] = vp89_rac_get_uint(c, 8);
635
636 ✗ for (j = 0; j < 3; j++)
637 ✗ s->feature_index_prob[i][j] =
638 ✗ vp89_rac_get(c) ? vp89_rac_get_uint(c, 8) : 255;
639
640 ✗ if (vp7_feature_value_size[s->profile][i])
641 ✗ for (j = 0; j < 4; j++)
642 ✗ s->feature_value[i][j] =
643 ✗ vp89_rac_get(c) ? vp89_rac_get_uint(c, vp7_feature_value_size[s->profile][i]) : 0;
644 }
645 }
646
647 32 s->segmentation.enabled = 0;
648 32 s->segmentation.update_map = 0;
649 32 s->lf_delta.enabled = 0;
650
651 32 s->num_coeff_partitions = 1;
652 32 ret = ff_vpx_init_range_decoder(&s->coeff_partition[0], buf, buf_size);
653
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 32 if (ret < 0)
654 ✗ return ret;
655
656
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 32 if (!s->macroblocks_base || /* first frame */
657
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 31 width != s->avctx->width || height != s->avctx->height ||
658
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 31 (width + 15) / 16 != s->mb_width || (height + 15) / 16 != s->mb_height) {
659
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 1 if ((ret = vp7_update_dimensions(s, width, height)) < 0)
660 ✗ return ret;
661 }
662
663 /* C. Dequantization indices */
664 32 vp7_get_quants(s);
665
666 /* D. Golden frame update flag (a Flag) for interframes only */
667
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 32 if (!s->keyframe) {
668
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 31 s->update_golden = vp89_rac_get(c) ? VP8_FRAME_CURRENT : VP8_FRAME_NONE;
669 31 s->sign_bias[VP8_FRAME_GOLDEN] = 0;
670 }
671
672 32 s->update_last = 1;
673 32 s->update_probabilities = 1;
674
675
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 32 if (s->profile > 0) {
676 ✗ s->update_probabilities = vp89_rac_get(c);
677 ✗ if (!s->update_probabilities)
678 ✗ s->prob[1] = s->prob[0];
679
680 ✗ if (!s->keyframe)
681 ✗ fade_present = vp89_rac_get(c);
682 }
683
684
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 32 if (vpx_rac_is_end(c))
685 ✗ return AVERROR_INVALIDDATA;
686 /* E. Fading information for previous frame */
687
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 32 if (fade_present && vp89_rac_get(c)) {
688 ✗ alpha = (int8_t) vp89_rac_get_uint(c, 8);
689 ✗ beta = (int8_t) vp89_rac_get_uint(c, 8);
690 }
691
692 /* F. Loop filter type */
693
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 32 if (!s->profile)
694 32 s->filter.simple = vp89_rac_get(c);
695
696 /* G. DCT coefficient ordering specification */
697
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 32 if (vp89_rac_get(c))
698
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 208 for (i = 1; i < 16; i++)
699 195 s->prob[0].scan[i] = ff_zigzag_scan[vp89_rac_get_uint(c, 4)];
700
701 /* H. Loop filter levels */
702
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 32 if (s->profile > 0)
703 ✗ s->filter.simple = vp89_rac_get(c);
704 32 s->filter.level = vp89_rac_get_uint(c, 6);
705 32 s->filter.sharpness = vp89_rac_get_uint(c, 3);
706
707 /* I. DCT coefficient probability update; 13.3 Token Probability Updates */
708 32 vp78_update_probability_tables(s);
709
710 32 s->mbskip_enabled = 0;
711
712 /* J. The remaining frame header data occurs ONLY FOR INTERFRAMES */
713
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 32 if (!s->keyframe) {
714 31 s->prob->intra = vp89_rac_get_uint(c, 8);
715 31 s->prob->last = vp89_rac_get_uint(c, 8);
716 31 vp78_update_pred16x16_pred8x8_mvc_probabilities(s, VP7_MVC_SIZE);
717 }
718
719
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 32 if (vpx_rac_is_end(c))
720 ✗ return AVERROR_INVALIDDATA;
721
722
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 32 if ((ret = vp7_fade_frame(s, alpha, beta)) < 0)
723 ✗ return ret;
724
725 32 return 0;
726 }
727
728 1114 static int vp8_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
729 {
730 1114 VPXRangeCoder *c = &s->c;
731 int header_size, hscale, vscale, ret;
732 1114 int width = s->avctx->width;
733 1114 int height = s->avctx->height;
734
735
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 1114 if (buf_size < 3) {
736 ✗ av_log(s->avctx, AV_LOG_ERROR, "Insufficient data (%d) for header\n", buf_size);
737 ✗ return AVERROR_INVALIDDATA;
738 }
739
740 1114 s->keyframe = !(buf[0] & 1);
741 1114 s->profile = (buf[0]>>1) & 7;
742 1114 s->invisible = !(buf[0] & 0x10);
743 1114 header_size = AV_RL24(buf) >> 5;
744 1114 buf += 3;
745 1114 buf_size -= 3;
746
747 1114 s->header_partition_size = header_size;
748
749
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 1114 if (s->profile > 3)
750 ✗ av_log(s->avctx, AV_LOG_WARNING, "Unknown profile %d\n", s->profile);
751
752
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 1114 if (!s->profile)
753 958 memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_epel_pixels_tab,
754 sizeof(s->put_pixels_tab));
755 else // profile 1-3 use bilinear, 4+ aren't defined so whatever
756 156 memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_bilinear_pixels_tab,
757 sizeof(s->put_pixels_tab));
758
759
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 1114 if (header_size > buf_size - 7 * s->keyframe) {
760 ✗ av_log(s->avctx, AV_LOG_ERROR, "Header size larger than data provided\n");
761 ✗ return AVERROR_INVALIDDATA;
762 }
763
764
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 1114 if (s->keyframe) {
765
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 49 if (AV_RL24(buf) != 0x2a019d) {
766 ✗ av_log(s->avctx, AV_LOG_ERROR,
767 ✗ "Invalid start code 0x%x\n", AV_RL24(buf));
768 ✗ return AVERROR_INVALIDDATA;
769 }
770 49 width = AV_RL16(buf + 3) & 0x3fff;
771 49 height = AV_RL16(buf + 5) & 0x3fff;
772 49 hscale = buf[4] >> 6;
773 49 vscale = buf[6] >> 6;
774 49 buf += 7;
775 49 buf_size -= 7;
776
777
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 49 if (hscale || vscale)
778 ✗ avpriv_request_sample(s->avctx, "Upscaling");
779
780 49 s->update_golden = s->update_altref = VP8_FRAME_CURRENT;
781 49 vp78_reset_probability_tables(s);
782 49 memcpy(s->prob->pred16x16, vp8_pred16x16_prob_inter,
783 sizeof(s->prob->pred16x16));
784 49 memcpy(s->prob->pred8x8c, vp8_pred8x8c_prob_inter,
785 sizeof(s->prob->pred8x8c));
786 49 memcpy(s->prob->mvc, vp8_mv_default_prob,
787 sizeof(s->prob->mvc));
788 49 memset(&s->segmentation, 0, sizeof(s->segmentation));
789 49 memset(&s->lf_delta, 0, sizeof(s->lf_delta));
790 }
791
792 1114 ret = ff_vpx_init_range_decoder(c, buf, header_size);
793
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 1114 if (ret < 0)
794 ✗ return ret;
795 1114 buf += header_size;
796 1114 buf_size -= header_size;
797
798
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 1114 if (s->keyframe) {
799 49 s->colorspace = vp89_rac_get(c);
800
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 49 if (s->colorspace)
801 ✗ av_log(s->avctx, AV_LOG_WARNING, "Unspecified colorspace\n");
802 49 s->fullrange = vp89_rac_get(c);
803 }
804
805
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 1114 if ((s->segmentation.enabled = vp89_rac_get(c)))
806 433 parse_segment_info(s);
807 else
808 681 s->segmentation.update_map = 0; // FIXME: move this to some init function?
809
810 1114 s->filter.simple = vp89_rac_get(c);
811 1114 s->filter.level = vp89_rac_get_uint(c, 6);
812 1114 s->filter.sharpness = vp89_rac_get_uint(c, 3);
813
814
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 1114 if ((s->lf_delta.enabled = vp89_rac_get(c))) {
815 1108 s->lf_delta.update = vp89_rac_get(c);
816
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 1108 if (s->lf_delta.update)
817 43 update_lf_deltas(s);
818 }
819
820
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 1114 if (setup_partitions(s, buf, buf_size)) {
821 ✗ av_log(s->avctx, AV_LOG_ERROR, "Invalid partitions\n");
822 ✗ return AVERROR_INVALIDDATA;
823 }
824
825
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 1114 if (!s->macroblocks_base || /* first frame */
826
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 1087 width != s->avctx->width || height != s->avctx->height ||
827
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 1077 (width+15)/16 != s->mb_width || (height+15)/16 != s->mb_height)
828
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 37 if ((ret = vp8_update_dimensions(s, width, height)) < 0)
829 ✗ return ret;
830
831 1114 vp8_get_quants(s);
832
833
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 1114 if (!s->keyframe) {
834 1065 update_refs(s);
835 1065 s->sign_bias[VP8_FRAME_GOLDEN] = vp89_rac_get(c);
836 1065 s->sign_bias[VP8_FRAME_ALTREF] = vp89_rac_get(c);
837 }
838
839 // if we aren't saving this frame's probabilities for future frames,
840 // make a copy of the current probabilities
841
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 1114 if (!(s->update_probabilities = vp89_rac_get(c)))
842 64 s->prob[1] = s->prob[0];
843
844
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 1114 s->update_last = s->keyframe || vp89_rac_get(c);
845
846 1114 vp78_update_probability_tables(s);
847
848
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 1114 if ((s->mbskip_enabled = vp89_rac_get(c)))
849 1108 s->prob->mbskip = vp89_rac_get_uint(c, 8);
850
851
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 1114 if (!s->keyframe) {
852 1065 s->prob->intra = vp89_rac_get_uint(c, 8);
853 1065 s->prob->last = vp89_rac_get_uint(c, 8);
854 1065 s->prob->golden = vp89_rac_get_uint(c, 8);
855 1065 vp78_update_pred16x16_pred8x8_mvc_probabilities(s, VP8_MVC_SIZE);
856 }
857
858 // Record the entropy coder state here so that hwaccels can use it.
859 1114 s->c.code_word = vpx_rac_renorm(&s->c);
860 1114 s->coder_state_at_header_end.input = s->c.buffer - (-s->c.bits / 8);
861 1114 s->coder_state_at_header_end.range = s->c.high;
862 1114 s->coder_state_at_header_end.value = s->c.code_word >> 16;
863 1114 s->coder_state_at_header_end.bit_count = -s->c.bits % 8;
864
865 1114 return 0;
866 }
867
868 static av_always_inline
869 57179 void clamp_mv(const VP8mvbounds *s, VP8mv *dst, const VP8mv *src)
870 {
871 57179 dst->x = av_clip(src->x, av_clip(s->mv_min.x, INT16_MIN, INT16_MAX),
872 57179 av_clip(s->mv_max.x, INT16_MIN, INT16_MAX));
873 57179 dst->y = av_clip(src->y, av_clip(s->mv_min.y, INT16_MIN, INT16_MAX),
874 57179 av_clip(s->mv_max.y, INT16_MIN, INT16_MAX));
875 57179 }
876
877 /**
878 * Motion vector coding, 17.1.
879 */
880 84908 static av_always_inline int read_mv_component(VPXRangeCoder *c, const uint8_t *p, int vp7)
881 {
882 84908 int bit, x = 0;
883
884
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 84908 if (vpx_rac_get_prob_branchy(c, p[0])) {
885 int i;
886
887
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 79864 for (i = 0; i < 3; i++)
888 59898 x += vpx_rac_get_prob(c, p[9 + i]) << i;
889
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 139762 for (i = (vp7 ? 7 : 9); i > 3; i--)
890 119796 x += vpx_rac_get_prob(c, p[9 + i]) << i;
891
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 19966 if (!(x & (vp7 ? 0xF0 : 0xFFF0)) || vpx_rac_get_prob(c, p[12]))
892 13308 x += 8;
893 } else {
894 // small_mvtree
895 64942 const uint8_t *ps = p + 2;
896 64942 bit = vpx_rac_get_prob(c, *ps);
897 64942 ps += 1 + 3 * bit;
898 64942 x += 4 * bit;
899 64942 bit = vpx_rac_get_prob(c, *ps);
900 64942 ps += 1 + bit;
901 64942 x += 2 * bit;
902 64942 x += vpx_rac_get_prob(c, *ps);
903 }
904
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 84908 return (x && vpx_rac_get_prob(c, p[1])) ? -x : x;
906 }
907
908 ✗ static int vp7_read_mv_component(VPXRangeCoder *c, const uint8_t *p)
909 {
910 ✗ return read_mv_component(c, p, 1);
911 }
912
913 28392 static int vp8_read_mv_component(VPXRangeCoder *c, const uint8_t *p)
914 {
915 28392 return read_mv_component(c, p, 0);
916 }
917
918 static av_always_inline
919 136604 const uint8_t *get_submv_prob(uint32_t left, uint32_t top, int is_vp7)
920 {
921
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 136604 if (is_vp7)
922 ✗ return vp7_submv_prob;
923
924
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 136604 if (left == top)
925
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 58713 return vp8_submv_prob[4 - !!left];
926
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 77891 if (!top)
927 18934 return vp8_submv_prob[2];
928 58957 return vp8_submv_prob[1 - !!left];
929 }
930
931 /**
932 * Split motion vector prediction, 16.4.
933 * @returns the number of motion vectors parsed (2, 4 or 16)
934 */
935 static av_always_inline
936 18328 int decode_splitmvs(const VP8Context *s, VPXRangeCoder *c, VP8Macroblock *mb,
937 int layout, int is_vp7)
938 {
939 int part_idx;
940 int n, num;
941 const VP8Macroblock *top_mb;
942 18328 const VP8Macroblock *left_mb = &mb[-1];
943 18328 const uint8_t *mbsplits_left = vp8_mbsplits[left_mb->partitioning];
944 const uint8_t *mbsplits_top, *mbsplits_cur, *firstidx;
945 const VP8mv *top_mv;
946 18328 const VP8mv *left_mv = left_mb->bmv;
947 18328 const VP8mv *cur_mv = mb->bmv;
948
949
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 18328 if (!layout) // layout is inlined, s->mb_layout is not
950 18328 top_mb = &mb[2];
951 else
952 ✗ top_mb = &mb[-s->mb_width - 1];
953 18328 mbsplits_top = vp8_mbsplits[top_mb->partitioning];
954 18328 top_mv = top_mb->bmv;
955
956
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 18328 if (vpx_rac_get_prob_branchy(c, vp8_mbsplit_prob[0])) {
957
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 11713 if (vpx_rac_get_prob_branchy(c, vp8_mbsplit_prob[1]))
958 8044 part_idx = VP8_SPLITMVMODE_16x8 + vpx_rac_get_prob(c, vp8_mbsplit_prob[2]);
959 else
960 3669 part_idx = VP8_SPLITMVMODE_8x8;
961 } else {
962 6615 part_idx = VP8_SPLITMVMODE_4x4;
963 }
964
965 18328 num = vp8_mbsplit_count[part_idx];
966 18328 mbsplits_cur = vp8_mbsplits[part_idx],
967 18328 firstidx = vp8_mbfirstidx[part_idx];
968 18328 mb->partitioning = part_idx;
969
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 154932 for (n = 0; n < num; n++) {
971 136604 int k = firstidx[n];
972 uint32_t left, above;
973 const uint8_t *submv_prob;
974
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 136604 if (!(k & 3))
976 46751 left = AV_RN32A(&left_mv[mbsplits_left[k + 3]]);
977 else
978 89853 left = AV_RN32A(&cur_mv[mbsplits_cur[k - 1]]);
979
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 136604 if (k <= 3)
980 44977 above = AV_RN32A(&top_mv[mbsplits_top[k + 12]]);
981 else
982 91627 above = AV_RN32A(&cur_mv[mbsplits_cur[k - 4]]);
983
984 136604 submv_prob = get_submv_prob(left, above, is_vp7);
985
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 136604 if (vpx_rac_get_prob_branchy(c, submv_prob[0])) {
987
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 50617 if (vpx_rac_get_prob_branchy(c, submv_prob[1])) {
988
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 31746 if (vpx_rac_get_prob_branchy(c, submv_prob[2])) {
989 56516 mb->bmv[n].y = mb->mv.y +
990 28258 read_mv_component(c, s->prob->mvc[0], is_vp7);
991 28258 mb->bmv[n].x = mb->mv.x +
992 28258 read_mv_component(c, s->prob->mvc[1], is_vp7);
993 } else {
994 3488 AV_ZERO32(&mb->bmv[n]);
995 }
996 } else {
997 18871 AV_WN32A(&mb->bmv[n], above);
998 }
999 } else {
1000 85987 AV_WN32A(&mb->bmv[n], left);
1001 }
1002 }
1003
1004 18328 return num;
1005 }
1006
1007 /**
1008 * The vp7 reference decoder uses a padding macroblock column (added to right
1009 * edge of the frame) to guard against illegal macroblock offsets. The
1010 * algorithm has bugs that permit offsets to straddle the padding column.
1011 * This function replicates those bugs.
1012 *
1013 * @param[out] edge_x macroblock x address
1014 * @param[out] edge_y macroblock y address
1015 *
1016 * @return macroblock offset legal (boolean)
1017 */
1018 81840 static int vp7_calculate_mb_offset(int mb_x, int mb_y, int mb_width,
1019 int xoffset, int yoffset, int boundary,
1020 int *edge_x, int *edge_y)
1021 {
1022 81840 int vwidth = mb_width + 1;
1023 81840 int new = (mb_y + yoffset) * vwidth + mb_x + xoffset;
1024
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 81840 if (new < boundary || new % vwidth == vwidth - 1)
1025 12679 return 0;
1026 69161 *edge_y = new / vwidth;
1027 69161 *edge_x = new % vwidth;
1028 69161 return 1;
1029 }
1030
1031 69161 static const VP8mv *get_bmv_ptr(const VP8Macroblock *mb, int subblock)
1032 {
1033
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 69161 return &mb->bmv[mb->mode == VP8_MVMODE_SPLIT ? vp8_mbsplits[mb->partitioning][subblock] : 0];
1034 }
1035
1036 static av_always_inline
1037 6820 void vp7_decode_mvs(VP8Context *s, VP8Macroblock *mb,
1038 int mb_x, int mb_y, int layout)
1039 {
1040 enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR };
1041 enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
1042 6820 int idx = CNT_ZERO;
1043 VP8mv near_mv[3];
1044 6820 uint8_t cnt[3] = { 0 };
1045 6820 VPXRangeCoder *c = &s->c;
1046 int i;
1047
1048 6820 AV_ZERO32(&near_mv[0]);
1049 6820 AV_ZERO32(&near_mv[1]);
1050 6820 AV_ZERO32(&near_mv[2]);
1051
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 88660 for (i = 0; i < VP7_MV_PRED_COUNT; i++) {
1053 81840 const VP7MVPred * pred = &vp7_mv_pred[i];
1054 int edge_x, edge_y;
1055
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 81840 if (vp7_calculate_mb_offset(mb_x, mb_y, s->mb_width, pred->xoffset,
1057 81840 pred->yoffset, !s->profile, &edge_x, &edge_y)) {
1058
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 69161 const VP8Macroblock *edge = (s->mb_layout == 1)
1059 69161 ? s->macroblocks_base + 1 + edge_x +
1060 69161 (s->mb_width + 1) * (edge_y + 1)
1061 ✗ : s->macroblocks + edge_x +
1062 ✗ (s->mb_height - edge_y - 1) * 2;
1063 69161 uint32_t mv = AV_RN32A(get_bmv_ptr(edge, vp7_mv_pred[i].subblock));
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 69161 if (mv) {
1065 ✗ if (AV_RN32A(&near_mv[CNT_NEAREST])) {
1066 ✗ if (mv == AV_RN32A(&near_mv[CNT_NEAREST])) {
1067 ✗ idx = CNT_NEAREST;
1068 ✗ } else if (AV_RN32A(&near_mv[CNT_NEAR])) {
1069 ✗ if (mv != AV_RN32A(&near_mv[CNT_NEAR]))
1070 ✗ continue;
1071 ✗ idx = CNT_NEAR;
1072 } else {
1073 ✗ AV_WN32A(&near_mv[CNT_NEAR], mv);
1074 ✗ idx = CNT_NEAR;
1075 }
1076 } else {
1077 ✗ AV_WN32A(&near_mv[CNT_NEAREST], mv);
1078 ✗ idx = CNT_NEAREST;
1079 }
1080 } else {
1081 69161 idx = CNT_ZERO;
1082 }
1083 } else {
1084 12679 idx = CNT_ZERO;
1085 }
1086 81840 cnt[idx] += vp7_mv_pred[i].score;
1087 }
1088
1089 6820 mb->partitioning = VP8_SPLITMVMODE_NONE;
1090
1091
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 6820 if (vpx_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_ZERO]][0])) {
1092 ✗ mb->mode = VP8_MVMODE_MV;
1093
1094 ✗ if (vpx_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAREST]][1])) {
1095
1096 ✗ if (vpx_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAR]][2])) {
1097
1098 ✗ if (cnt[CNT_NEAREST] > cnt[CNT_NEAR])
1099 ✗ AV_WN32A(&mb->mv, cnt[CNT_ZERO] > cnt[CNT_NEAREST] ? 0 : AV_RN32A(&near_mv[CNT_NEAREST]));
1100 else
1101 ✗ AV_WN32A(&mb->mv, cnt[CNT_ZERO] > cnt[CNT_NEAR] ? 0 : AV_RN32A(&near_mv[CNT_NEAR]));
1102
1103 ✗ if (vpx_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAR]][3])) {
1104 ✗ mb->mode = VP8_MVMODE_SPLIT;
1105 ✗ mb->mv = mb->bmv[decode_splitmvs(s, c, mb, layout, IS_VP7) - 1];
1106 } else {
1107 ✗ mb->mv.y += vp7_read_mv_component(c, s->prob->mvc[0]);
1108 ✗ mb->mv.x += vp7_read_mv_component(c, s->prob->mvc[1]);
1109 ✗ mb->bmv[0] = mb->mv;
1110 }
1111 } else {
1112 ✗ mb->mv = near_mv[CNT_NEAR];
1113 ✗ mb->bmv[0] = mb->mv;
1114 }
1115 } else {
1116 ✗ mb->mv = near_mv[CNT_NEAREST];
1117 ✗ mb->bmv[0] = mb->mv;
1118 }
1119 } else {
1120 6820 mb->mode = VP8_MVMODE_ZERO;
1121 6820 AV_ZERO32(&mb->mv);
1122 6820 mb->bmv[0] = mb->mv;
1123 }
1124 6820 }
1125
1126 static av_always_inline
1127 379520 void vp8_decode_mvs(VP8Context *s, const VP8mvbounds *mv_bounds, VP8Macroblock *mb,
1128 int mb_x, int mb_y, int layout)
1129 {
1130 379520 VP8Macroblock *mb_edge[3] = { 0 /* top */,
1131 379520 mb - 1 /* left */,
1132 0 /* top-left */ };
1133 enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR, CNT_SPLITMV };
1134 enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
1135 379520 int idx = CNT_ZERO;
1136 379520 int cur_sign_bias = s->sign_bias[mb->ref_frame];
1137 379520 const int8_t *sign_bias = s->sign_bias;
1138 VP8mv near_mv[4];
1139 379520 uint8_t cnt[4] = { 0 };
1140 379520 VPXRangeCoder *c = &s->c;
1141
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 379520 if (!layout) { // layout is inlined (s->mb_layout is not)
1143 379520 mb_edge[0] = mb + 2;
1144 379520 mb_edge[2] = mb + 1;
1145 } else {
1146 ✗ mb_edge[0] = mb - s->mb_width - 1;
1147 ✗ mb_edge[2] = mb - s->mb_width - 2;
1148 }
1149
1150 379520 AV_ZERO32(&near_mv[0]);
1151 379520 AV_ZERO32(&near_mv[1]);
1152 379520 AV_ZERO32(&near_mv[2]);
1153
1154 /* Process MB on top, left and top-left */
1155 #define MV_EDGE_CHECK(n) \
1156 { \
1157 const VP8Macroblock *edge = mb_edge[n]; \
1158 int edge_ref = edge->ref_frame; \
1159 if (edge_ref != VP8_FRAME_CURRENT) { \
1160 uint32_t mv = AV_RN32A(&edge->mv); \
1161 if (mv) { \
1162 if (cur_sign_bias != sign_bias[edge_ref]) { \
1163 /* SWAR negate of the values in mv. */ \
1164 mv = ~mv; \
1165 mv = ((mv & 0x7fff7fff) + \
1166 0x00010001) ^ (mv & 0x80008000); \
1167 } \
1168 if (!n || mv != AV_RN32A(&near_mv[idx])) \
1169 AV_WN32A(&near_mv[++idx], mv); \
1170 cnt[idx] += 1 + (n != 2); \
1171 } else \
1172 cnt[CNT_ZERO] += 1 + (n != 2); \
1173 } \
1174 }
1175
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 379520 MV_EDGE_CHECK(0)
1177
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 379520 MV_EDGE_CHECK(1)
1178
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 379520 MV_EDGE_CHECK(2)
1179
1180 379520 mb->partitioning = VP8_SPLITMVMODE_NONE;
1181
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 379520 if (vpx_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_ZERO]][0])) {
1182 57179 mb->mode = VP8_MVMODE_MV;
1183
1184 /* If we have three distinct MVs, merge first and last if they're the same */
1185
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 57179 if (cnt[CNT_SPLITMV] &&
1186
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 12759 AV_RN32A(&near_mv[1 + VP8_EDGE_TOP]) == AV_RN32A(&near_mv[1 + VP8_EDGE_TOPLEFT]))
1187 5465 cnt[CNT_NEAREST] += 1;
1188
1189 /* Swap near and nearest if necessary */
1190
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 57179 if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) {
1191 4482 FFSWAP(uint8_t, cnt[CNT_NEAREST], cnt[CNT_NEAR]);
1192 4482 FFSWAP(VP8mv, near_mv[CNT_NEAREST], near_mv[CNT_NEAR]);
1193 }
1194
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 57179 if (vpx_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAREST]][1])) {
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 37612 if (vpx_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAR]][2])) {
1197 /* Choose the best mv out of 0,0 and the nearest mv */
1198 32524 clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_ZERO + (cnt[CNT_NEAREST] >= cnt[CNT_ZERO])]);
1199 32524 cnt[CNT_SPLITMV] = ((mb_edge[VP8_EDGE_LEFT]->mode == VP8_MVMODE_SPLIT) +
1200 32524 (mb_edge[VP8_EDGE_TOP]->mode == VP8_MVMODE_SPLIT)) * 2 +
1201 32524 (mb_edge[VP8_EDGE_TOPLEFT]->mode == VP8_MVMODE_SPLIT);
1202
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 32524 if (vpx_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_SPLITMV]][3])) {
1204 18328 mb->mode = VP8_MVMODE_SPLIT;
1205 18328 mb->mv = mb->bmv[decode_splitmvs(s, c, mb, layout, IS_VP8) - 1];
1206 } else {
1207 14196 mb->mv.y += vp8_read_mv_component(c, s->prob->mvc[0]);
1208 14196 mb->mv.x += vp8_read_mv_component(c, s->prob->mvc[1]);
1209 14196 mb->bmv[0] = mb->mv;
1210 }
1211 } else {
1212 5088 clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_NEAR]);
1213 5088 mb->bmv[0] = mb->mv;
1214 }
1215 } else {
1216 19567 clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_NEAREST]);
1217 19567 mb->bmv[0] = mb->mv;
1218 }
1219 } else {
1220 322341 mb->mode = VP8_MVMODE_ZERO;
1221 322341 AV_ZERO32(&mb->mv);
1222 322341 mb->bmv[0] = mb->mv;
1223 }
1224 379520 }
1225
1226 static av_always_inline
1227 17723 void decode_intra4x4_modes(VP8Context *s, VPXRangeCoder *c, VP8Macroblock *mb,
1228 int mb_x, int keyframe, int layout)
1229 {
1230 17723 uint8_t *intra4x4 = mb->intra4x4_pred_mode_mb;
1231
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 17723 if (layout) {
1233 33 VP8Macroblock *mb_top = mb - s->mb_width - 1;
1234 33 memcpy(mb->intra4x4_pred_mode_top, mb_top->intra4x4_pred_mode_top, 4);
1235 }
1236
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 17723 if (keyframe) {
1237 int x, y;
1238 uint8_t *top;
1239 10859 uint8_t *const left = s->intra4x4_pred_mode_left;
1240
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 10859 if (layout)
1241 33 top = mb->intra4x4_pred_mode_top;
1242 else
1243 10826 top = s->intra4x4_pred_mode_top + 4 * mb_x;
1244
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 54295 for (y = 0; y < 4; y++) {
1245
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 217180 for (x = 0; x < 4; x++) {
1246 const uint8_t *ctx;
1247 173744 ctx = vp8_pred4x4_prob_intra[top[x]][left[y]];
1248 173744 *intra4x4 = vp89_rac_get_tree(c, vp8_pred4x4_tree, ctx);
1249 173744 left[y] = top[x] = *intra4x4;
1250 173744 intra4x4++;
1251 }
1252 }
1253 } else {
1254 int i;
1255
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 116688 for (i = 0; i < 16; i++)
1256 109824 intra4x4[i] = vp89_rac_get_tree(c, vp8_pred4x4_tree,
1257 vp8_pred4x4_prob_inter);
1258 }
1259 17723 }
1260
1261 static av_always_inline
1262 443809 void decode_mb_mode(VP8Context *s, const VP8mvbounds *mv_bounds,
1263 VP8Macroblock *mb, int mb_x, int mb_y,
1264 uint8_t *segment, const uint8_t *ref, int layout, int is_vp7)
1265 {
1266 443809 VPXRangeCoder *c = &s->c;
1267 static const char * const vp7_feature_name[] = { "q-index",
1268 "lf-delta",
1269 "partial-golden-update",
1270 "blit-pitch" };
1271
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 443809 if (is_vp7) {
1272 int i;
1273 7040 *segment = 0;
1274
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 35200 for (i = 0; i < 4; i++) {
1275
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 28160 if (s->feature_enabled[i]) {
1276 ✗ if (vpx_rac_get_prob_branchy(c, s->feature_present_prob[i])) {
1277 ✗ int index = vp89_rac_get_tree(c, vp7_feature_index_tree,
1278 ✗ s->feature_index_prob[i]);
1279 ✗ av_log(s->avctx, AV_LOG_WARNING,
1280 "Feature %s present in macroblock (value 0x%x)\n",
1281 ✗ vp7_feature_name[i], s->feature_value[i][index]);
1282 }
1283 }
1284 }
1285
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 436769 } else if (s->segmentation.update_map) {
1286 8289 int bit = vpx_rac_get_prob(c, s->prob->segmentid[0]);
1287 8289 *segment = vpx_rac_get_prob(c, s->prob->segmentid[1+bit]) + 2*bit;
1288
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 428480 } else if (s->segmentation.enabled)
1289
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 94425 *segment = ref ? *ref : *segment;
1290 443809 mb->segment = *segment;
1291
1292
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 443809 mb->skip = s->mbskip_enabled ? vpx_rac_get_prob(c, s->prob->mbskip) : 0;
1293
1294
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 443809 if (s->keyframe) {
1295 32952 mb->mode = vp89_rac_get_tree(c, vp8_pred16x16_tree_intra,
1296 vp8_pred16x16_prob_intra);
1297
1298
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 32952 if (mb->mode == MODE_I4x4) {
1299 10859 decode_intra4x4_modes(s, c, mb, mb_x, 1, layout);
1300 } else {
1301 22093 const uint32_t modes = (is_vp7 ? vp7_pred4x4_mode
1302
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 22093 : vp8_pred4x4_mode)[mb->mode] * 0x01010101u;
1303
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 22093 if (s->mb_layout)
1304 187 AV_WN32A(mb->intra4x4_pred_mode_top, modes);
1305 else
1306 21906 AV_WN32A(s->intra4x4_pred_mode_top + 4 * mb_x, modes);
1307 22093 AV_WN32A(s->intra4x4_pred_mode_left, modes);
1308 }
1309
1310 32952 mb->chroma_pred_mode = vp89_rac_get_tree(c, vp8_pred8x8c_tree,
1311 vp8_pred8x8c_prob_intra);
1312 32952 mb->ref_frame = VP8_FRAME_CURRENT;
1313
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 410857 } else if (vpx_rac_get_prob_branchy(c, s->prob->intra)) {
1314 // inter MB, 16.2
1315
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 386340 if (vpx_rac_get_prob_branchy(c, s->prob->last))
1316
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 34528 mb->ref_frame =
1317
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 17248 (!is_vp7 && vpx_rac_get_prob(c, s->prob->golden)) ? VP8_FRAME_ALTREF
1318 : VP8_FRAME_GOLDEN;
1319 else
1320 369060 mb->ref_frame = VP8_FRAME_PREVIOUS;
1321 386340 s->ref_count[mb->ref_frame - 1]++;
1322
1323 // motion vectors, 16.3
1324
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 386340 if (is_vp7)
1325 6820 vp7_decode_mvs(s, mb, mb_x, mb_y, layout);
1326 else
1327 379520 vp8_decode_mvs(s, mv_bounds, mb, mb_x, mb_y, layout);
1328 } else {
1329 // intra MB, 16.1
1330 49034 mb->mode = vp89_rac_get_tree(c, vp8_pred16x16_tree_inter,
1331 24517 s->prob->pred16x16);
1332
1333
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 24517 if (mb->mode == MODE_I4x4)
1334 6864 decode_intra4x4_modes(s, c, mb, mb_x, 0, layout);
1335
1336 49034 mb->chroma_pred_mode = vp89_rac_get_tree(c, vp8_pred8x8c_tree,
1337 24517 s->prob->pred8x8c);
1338 24517 mb->ref_frame = VP8_FRAME_CURRENT;
1339 24517 mb->partitioning = VP8_SPLITMVMODE_NONE;
1340 24517 AV_ZERO32(&mb->bmv[0]);
1341 }
1342 443809 }
1343
1344 /**
1345 * @param r arithmetic bitstream reader context
1346 * @param block destination for block coefficients
1347 * @param probs probabilities to use when reading trees from the bitstream
1348 * @param i initial coeff index, 0 unless a separate DC block is coded
1349 * @param qmul array holding the dc/ac dequant factor at position 0/1
1350 *
1351 * @return 0 if no coeffs were decoded
1352 * otherwise, the index of the last coeff decoded plus one
1353 */
1354 static av_always_inline
1355 394041 int decode_block_coeffs_internal(VPXRangeCoder *r, int16_t block[16],
1356 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1357 int i, const uint8_t *token_prob, const int16_t qmul[2],
1358 const uint8_t scan[16], int vp7)
1359 {
1360 394041 VPXRangeCoder c = *r;
1361 394041 goto skip_eob;
1362 do {
1363 int coeff;
1364 1107587 restart:
1365
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 1109706 if (!vpx_rac_get_prob_branchy(&c, token_prob[0])) // DCT_EOB
1366 374197 break;
1367
1368 1572061 skip_eob:
1369
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 1966102 if (!vpx_rac_get_prob_branchy(&c, token_prob[1])) { // DCT_0
1370
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 838671 if (++i == 16)
1371 ✗ break; // invalid input; blocks should end with EOB
1372 838671 token_prob = probs[i][0];
1373
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 838671 if (vp7)
1374 2119 goto restart;
1375 836552 goto skip_eob;
1376 }
1377
1378
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 1127431 if (!vpx_rac_get_prob_branchy(&c, token_prob[2])) { // DCT_1
1379 720913 coeff = 1;
1380 720913 token_prob = probs[i + 1][1];
1381 } else {
1382
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 406518 if (!vpx_rac_get_prob_branchy(&c, token_prob[3])) { // DCT 2,3,4
1383 275876 coeff = vpx_rac_get_prob_branchy(&c, token_prob[4]);
1384
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 275876 if (coeff)
1385 114236 coeff += vpx_rac_get_prob(&c, token_prob[5]);
1386 275876 coeff += 2;
1387 } else {
1388 // DCT_CAT*
1389
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 130642 if (!vpx_rac_get_prob_branchy(&c, token_prob[6])) {
1390
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 84791 if (!vpx_rac_get_prob_branchy(&c, token_prob[7])) { // DCT_CAT1
1391 45793 coeff = 5 + vpx_rac_get_prob(&c, vp8_dct_cat1_prob[0]);
1392 } else { // DCT_CAT2
1393 38998 coeff = 7;
1394 38998 coeff += vpx_rac_get_prob(&c, vp8_dct_cat2_prob[0]) << 1;
1395 38998 coeff += vpx_rac_get_prob(&c, vp8_dct_cat2_prob[1]);
1396 }
1397 } else { // DCT_CAT3 and up
1398 45851 int a = vpx_rac_get_prob(&c, token_prob[8]);
1399 45851 int b = vpx_rac_get_prob(&c, token_prob[9 + a]);
1400 45851 int cat = (a << 1) + b;
1401 45851 coeff = 3 + (8 << cat);
1402 45851 coeff += vp8_rac_get_coeff(&c, ff_vp8_dct_cat_prob[cat]);
1403 }
1404 }
1405 406518 token_prob = probs[i + 1][2];
1406 }
1407
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 1127431 block[scan[i]] = (vp89_rac_get(&c) ? -coeff : coeff) * qmul[!!i];
1408
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 1127431 } while (++i < 16);
1409
1410 394041 *r = c;
1411 394041 return i;
1412 }
1413
1414 static av_always_inline
1415 6820 int inter_predict_dc(int16_t block[16], int16_t pred[2])
1416 {
1417 6820 int16_t dc = block[0];
1418 6820 int ret = 0;
1419
1420
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 6820 if (pred[1] > 3) {
1421 ✗ dc += pred[0];
1422 ✗ ret = 1;
1423 }
1424
1425
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 6820 if (!pred[0] | !dc | ((int32_t)pred[0] ^ (int32_t)dc) >> 31) {
1426 6820 block[0] = pred[0] = dc;
1427 6820 pred[1] = 0;
1428 } else {
1429 ✗ if (pred[0] == dc)
1430 ✗ pred[1]++;
1431 ✗ block[0] = pred[0] = dc;
1432 }
1433
1434 6820 return ret;
1435 }
1436
1437 736 static int vp7_decode_block_coeffs_internal(VPXRangeCoder *r,
1438 int16_t block[16],
1439 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1440 int i, const uint8_t *token_prob,
1441 const int16_t qmul[2],
1442 const uint8_t scan[16])
1443 {
1444 736 return decode_block_coeffs_internal(r, block, probs, i,
1445 token_prob, qmul, scan, IS_VP7);
1446 }
1447
1448 #ifndef vp8_decode_block_coeffs_internal
1449 393305 static int vp8_decode_block_coeffs_internal(VPXRangeCoder *r,
1450 int16_t block[16],
1451 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1452 int i, const uint8_t *token_prob,
1453 const int16_t qmul[2])
1454 {
1455 393305 return decode_block_coeffs_internal(r, block, probs, i,
1456 token_prob, qmul, ff_zigzag_scan, IS_VP8);
1457 }
1458 #endif
1459
1460 /**
1461 * @param c arithmetic bitstream reader context
1462 * @param block destination for block coefficients
1463 * @param probs probabilities to use when reading trees from the bitstream
1464 * @param i initial coeff index, 0 unless a separate DC block is coded
1465 * @param zero_nhood the initial prediction context for number of surrounding
1466 * all-zero blocks (only left/top, so 0-2)
1467 * @param qmul array holding the dc/ac dequant factor at position 0/1
1468 * @param scan scan pattern (VP7 only)
1469 *
1470 * @return 0 if no coeffs were decoded
1471 * otherwise, the index of the last coeff decoded plus one
1472 */
1473 static av_always_inline
1474 2063253 int decode_block_coeffs(VPXRangeCoder *c, int16_t block[16],
1475 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1476 int i, int zero_nhood, const int16_t qmul[2],
1477 const uint8_t scan[16], int vp7)
1478 {
1479 2063253 const uint8_t *token_prob = probs[i][zero_nhood];
1480
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 2063253 if (!vpx_rac_get_prob_branchy(c, token_prob[0])) // DCT_EOB
1481 1669212 return 0;
1482 736 return vp7 ? vp7_decode_block_coeffs_internal(c, block, probs, i,
1483 token_prob, qmul, scan)
1484
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 394777 : vp8_decode_block_coeffs_internal(c, block, probs, i,
1485 token_prob, qmul);
1486 }
1487
1488 static av_always_inline
1489 83823 void decode_mb_coeffs(VP8Context *s, VP8ThreadData *td, VPXRangeCoder *c,
1490 VP8Macroblock *mb, uint8_t t_nnz[9], uint8_t l_nnz[9],
1491 int is_vp7)
1492 {
1493 83823 int i, x, y, luma_start = 0, luma_ctx = 3;
1494 83823 int nnz_pred, nnz, nnz_total = 0;
1495 83823 int segment = mb->segment;
1496 83823 int block_dc = 0;
1497
1498
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 83823 if (mb->mode != MODE_I4x4 && (is_vp7 || mb->mode != VP8_MVMODE_SPLIT)) {
1499 51501 nnz_pred = t_nnz[8] + l_nnz[8];
1500
1501 // decode DC values and do hadamard
1502 51501 nnz = decode_block_coeffs(c, td->block_dc, s->prob->token[1], 0,
1503 51501 nnz_pred, s->qmat[segment].luma_dc_qmul,
1504 ff_zigzag_scan, is_vp7);
1505 51501 l_nnz[8] = t_nnz[8] = !!nnz;
1506
1507
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 51501 if (is_vp7 && mb->mode > MODE_I4x4) {
1508 6820 nnz |= inter_predict_dc(td->block_dc,
1509 6820 s->inter_dc_pred[mb->ref_frame - 1]);
1510 }
1511
1512
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 51501 if (nnz) {
1513 34773 nnz_total += nnz;
1514 34773 block_dc = 1;
1515
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 34773 if (nnz == 1)
1516 10308 s->vp8dsp.vp8_luma_dc_wht_dc(td->block, td->block_dc);
1517 else
1518 24465 s->vp8dsp.vp8_luma_dc_wht(td->block, td->block_dc);
1519 }
1520 51501 luma_start = 1;
1521 51501 luma_ctx = 0;
1522 }
1523
1524 // luma blocks
1525
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 419115 for (y = 0; y < 4; y++)
1526
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 1676460 for (x = 0; x < 4; x++) {
1527 1341168 nnz_pred = l_nnz[y] + t_nnz[x];
1528 1341168 nnz = decode_block_coeffs(c, td->block[y][x],
1529 1341168 s->prob->token[luma_ctx],
1530 luma_start, nnz_pred,
1531 1341168 s->qmat[segment].luma_qmul,
1532 1341168 s->prob[0].scan, is_vp7);
1533 /* nnz+block_dc may be one more than the actual last index,
1534 * but we don't care */
1535 1341168 td->non_zero_count_cache[y][x] = nnz + block_dc;
1536 1341168 t_nnz[x] = l_nnz[y] = !!nnz;
1537 1341168 nnz_total += nnz;
1538 }
1539
1540 // chroma blocks
1541 // TODO: what to do about dimensions? 2nd dim for luma is x,
1542 // but for chroma it's (y<<1)|x
1543
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 251469 for (i = 4; i < 6; i++)
1544
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 502938 for (y = 0; y < 2; y++)
1545
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 1005876 for (x = 0; x < 2; x++) {
1546 670584 nnz_pred = l_nnz[i + 2 * y] + t_nnz[i + 2 * x];
1547 670584 nnz = decode_block_coeffs(c, td->block[i][(y << 1) + x],
1548 670584 s->prob->token[2], 0, nnz_pred,
1549 670584 s->qmat[segment].chroma_qmul,
1550 670584 s->prob[0].scan, is_vp7);
1551 670584 td->non_zero_count_cache[i][(y << 1) + x] = nnz;
1552 670584 t_nnz[i + 2 * x] = l_nnz[i + 2 * y] = !!nnz;
1553 670584 nnz_total += nnz;
1554 }
1555
1556 // if there were no coded coeffs despite the macroblock not being marked skip,
1557 // we MUST not do the inner loop filter and should not do IDCT
1558 // Since skip isn't used for bitstream prediction, just manually set it.
1559
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 83823 if (!nnz_total)
1560 6895 mb->skip = 1;
1561 83823 }
1562
1563 static av_always_inline
1564 424749 void backup_mb_border(uint8_t *top_border, const uint8_t *src_y,
1565 const uint8_t *src_cb, const uint8_t *src_cr,
1566 ptrdiff_t linesize, ptrdiff_t uvlinesize, int simple)
1567 {
1568 424749 AV_COPY128(top_border, src_y + 15 * linesize);
1569
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 424749 if (!simple) {
1570 417027 AV_COPY64(top_border + 16, src_cb + 7 * uvlinesize);
1571 417027 AV_COPY64(top_border + 24, src_cr + 7 * uvlinesize);
1572 }
1573 424749 }
1574
1575 static av_always_inline
1576 84224 void xchg_mb_border(uint8_t *top_border, uint8_t *src_y, uint8_t *src_cb,
1577 uint8_t *src_cr, ptrdiff_t linesize, ptrdiff_t uvlinesize, int mb_x,
1578 int mb_y, int mb_width, int simple, int xchg)
1579 {
1580 84224 uint8_t *top_border_m1 = top_border - 32; // for TL prediction
1581 84224 src_y -= linesize;
1582 84224 src_cb -= uvlinesize;
1583 84224 src_cr -= uvlinesize;
1584
1585 #define XCHG(a, b, xchg) \
1586 do { \
1587 if (xchg) \
1588 AV_SWAP64(b, a); \
1589 else \
1590 AV_COPY64(b, a); \
1591 } while (0)
1592
1593
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 84224 XCHG(top_border_m1 + 8, src_y - 8, xchg);
1594
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 84224 XCHG(top_border, src_y, xchg);
1595 84224 XCHG(top_border + 8, src_y + 8, 1);
1596
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 84224 if (mb_x < mb_width - 1)
1597 80786 XCHG(top_border + 32, src_y + 16, 1);
1598
1599 // only copy chroma for normal loop filter
1600 // or to initialize the top row to 127
1601
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 84224 if (!simple || !mb_y) {
1602
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 81142 XCHG(top_border_m1 + 16, src_cb - 8, xchg);
1603
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 81142 XCHG(top_border_m1 + 24, src_cr - 8, xchg);
1604 81142 XCHG(top_border + 16, src_cb, 1);
1605 81142 XCHG(top_border + 24, src_cr, 1);
1606 }
1607 84224 }
1608
1609 static av_always_inline
1610 73044 int check_dc_pred8x8_mode(int mode, int mb_x, int mb_y)
1611 {
1612
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 73044 if (!mb_x)
1613
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 3057 return mb_y ? TOP_DC_PRED8x8 : DC_128_PRED8x8;
1614 else
1615
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 69987 return mb_y ? mode : LEFT_DC_PRED8x8;
1616 }
1617
1618 static av_always_inline
1619 1814 int check_tm_pred8x8_mode(int mode, int mb_x, int mb_y, int vp7)
1620 {
1621
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 1814 if (!mb_x)
1622
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 1 return mb_y ? VERT_PRED8x8 : (vp7 ? DC_128_PRED8x8 : DC_129_PRED8x8);
1623 else
1624
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 1813 return mb_y ? mode : HOR_PRED8x8;
1625 }
1626
1627 static av_always_inline
1628 97215 int check_intra_pred8x8_mode_emuedge(int mode, int mb_x, int mb_y, int vp7)
1629 {
1630
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 97215 switch (mode) {
1631 73044 case DC_PRED8x8:
1632 73044 return check_dc_pred8x8_mode(mode, mb_x, mb_y);
1633 5772 case VERT_PRED8x8:
1634
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 5772 return !mb_y ? (vp7 ? DC_128_PRED8x8 : DC_127_PRED8x8) : mode;
1635 16585 case HOR_PRED8x8:
1636
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 16585 return !mb_x ? (vp7 ? DC_128_PRED8x8 : DC_129_PRED8x8) : mode;
1637 1814 case PLANE_PRED8x8: /* TM */
1638 1814 return check_tm_pred8x8_mode(mode, mb_x, mb_y, vp7);
1639 }
1640 ✗ return mode;
1641 }
1642
1643 static av_always_inline
1644 49249 int check_tm_pred4x4_mode(int mode, int mb_x, int mb_y, int vp7)
1645 {
1646
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 49249 if (!mb_x) {
1647
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 1362 return mb_y ? VERT_VP8_PRED : (vp7 ? DC_128_PRED : DC_129_PRED);
1648 } else {
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 47887 return mb_y ? mode : HOR_VP8_PRED;
1650 }
1651 }
1652
1653 static av_always_inline
1654 283568 int check_intra_pred4x4_mode_emuedge(int mode, int mb_x, int mb_y,
1655 int *copy_buf, int vp7)
1656 {
1657
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 283568 switch (mode) {
1658 13649 case VERT_PRED:
1659
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 13649 if (!mb_x && mb_y) {
1660 95 *copy_buf = 1;
1661 95 return mode;
1662 }
1663 /* fall-through */
1664 case DIAG_DOWN_LEFT_PRED:
1665 case VERT_LEFT_PRED:
1666
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 34925 return !mb_y ? (vp7 ? DC_128_PRED : DC_127_PRED) : mode;
1667 19493 case HOR_PRED:
1668
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 19493 if (!mb_y) {
1669 128 *copy_buf = 1;
1670 128 return mode;
1671 }
1672 /* fall-through */
1673 case HOR_UP_PRED:
1674
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 31725 return !mb_x ? (vp7 ? DC_128_PRED : DC_129_PRED) : mode;
1675 49249 case TM_VP8_PRED:
1676 49249 return check_tm_pred4x4_mode(mode, mb_x, mb_y, vp7);
1677 167446 case DC_PRED: /* 4x4 DC doesn't use the same "H.264-style" exceptions
1678 * as 16x16/8x8 DC */
1679 case DIAG_DOWN_RIGHT_PRED:
1680 case VERT_RIGHT_PRED:
1681 case HOR_DOWN_PRED:
1682
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 167446 if (!mb_y || !mb_x)
1683 1140 *copy_buf = 1;
1684 167446 return mode;
1685 }
1686 ✗ return mode;
1687 }
1688
1689 static av_always_inline
1690 57469 void intra_predict(VP8Context *s, VP8ThreadData *td, uint8_t *const dst[3],
1691 VP8Macroblock *mb, int mb_x, int mb_y, int is_vp7)
1692 {
1693 int x, y, mode, nnz;
1694 uint32_t tr;
1695
1696 /* for the first row, we need to run xchg_mb_border to init the top edge
1697 * to 127 otherwise, skip it if we aren't going to deblock */
1698
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 57469 if (mb_y && (s->deblock_filter || !mb_y) && td->thread_nr == 0)
1699 42112 xchg_mb_border(s->top_border[mb_x + 1], dst[0], dst[1], dst[2],
1700 42112 s->linesize, s->uvlinesize, mb_x, mb_y, s->mb_width,
1701 42112 s->filter.simple, 1);
1702
1703
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 57469 if (mb->mode < MODE_I4x4) {
1704 39746 mode = check_intra_pred8x8_mode_emuedge(mb->mode, mb_x, mb_y, is_vp7);
1705 39746 s->hpc.pred16x16[mode](dst[0], s->linesize);
1706 } else {
1707 17723 uint8_t *ptr = dst[0];
1708 17723 const uint8_t *intra4x4 = mb->intra4x4_pred_mode_mb;
1709
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 17723 const uint8_t lo = is_vp7 ? 128 : 127;
1710
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 17723 const uint8_t hi = is_vp7 ? 128 : 129;
1711 17723 const uint8_t tr_top[4] = { lo, lo, lo, lo };
1712
1713 // all blocks on the right edge of the macroblock use bottom edge
1714 // the top macroblock for their topright edge
1715 17723 const uint8_t *tr_right = ptr - s->linesize + 16;
1716
1717 // if we're on the right edge of the frame, said edge is extended
1718 // from the top macroblock
1719
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 17723 if (mb_y && mb_x == s->mb_width - 1) {
1720 636 tr = tr_right[-1] * 0x01010101u;
1721 636 tr_right = (uint8_t *) &tr;
1722 }
1723
1724
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 17723 if (mb->skip)
1725 463 AV_ZERO128(td->non_zero_count_cache);
1726
1727
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 88615 for (y = 0; y < 4; y++) {
1728 70892 const uint8_t *topright = ptr + 4 - s->linesize;
1729
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 354460 for (x = 0; x < 4; x++) {
1730 283568 int copy = 0;
1731 283568 ptrdiff_t linesize = s->linesize;
1732 283568 uint8_t *dst = ptr + 4 * x;
1733 283568 LOCAL_ALIGNED(4, uint8_t, copy_dst, [5 * 8]);
1734
1735
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 283568 if ((y == 0 || x == 3) && mb_y == 0) {
1736 4417 topright = tr_top;
1737
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 279151 } else if (x == 3)
1738 68368 topright = tr_right;
1739
1740 283568 mode = check_intra_pred4x4_mode_emuedge(intra4x4[x], mb_x + x,
1741 mb_y + y, &copy, is_vp7);
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 283568 if (copy) {
1743 1363 dst = copy_dst + 12;
1744 1363 linesize = 8;
1745
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 1363 if (!(mb_y + y)) {
1746 702 copy_dst[3] = lo;
1747 702 AV_WN32A(copy_dst + 4, lo * 0x01010101U);
1748 } else {
1749 661 AV_COPY32(copy_dst + 4, ptr + 4 * x - s->linesize);
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 661 if (!(mb_x + x)) {
1751 661 copy_dst[3] = hi;
1752 } else {
1753 ✗ copy_dst[3] = ptr[4 * x - s->linesize - 1];
1754 }
1755 }
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 1363 if (!(mb_x + x)) {
1757 702 copy_dst[11] =
1758 702 copy_dst[19] =
1759 702 copy_dst[27] =
1760 702 copy_dst[35] = hi;
1761 } else {
1762 661 copy_dst[11] = ptr[4 * x - 1];
1763 661 copy_dst[19] = ptr[4 * x + s->linesize - 1];
1764 661 copy_dst[27] = ptr[4 * x + s->linesize * 2 - 1];
1765 661 copy_dst[35] = ptr[4 * x + s->linesize * 3 - 1];
1766 }
1767 }
1768 283568 s->hpc.pred4x4[mode](dst, topright, linesize);
1769
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 283568 if (copy) {
1770 1363 AV_COPY32(ptr + 4 * x, copy_dst + 12);
1771 1363 AV_COPY32(ptr + 4 * x + s->linesize, copy_dst + 20);
1772 1363 AV_COPY32(ptr + 4 * x + s->linesize * 2, copy_dst + 28);
1773 1363 AV_COPY32(ptr + 4 * x + s->linesize * 3, copy_dst + 36);
1774 }
1775
1776 283568 nnz = td->non_zero_count_cache[y][x];
1777
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 283568 if (nnz) {
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 122779 if (nnz == 1)
1779 35157 s->vp8dsp.vp8_idct_dc_add(ptr + 4 * x,
1780 35157 td->block[y][x], s->linesize);
1781 else
1782 87622 s->vp8dsp.vp8_idct_add(ptr + 4 * x,
1783 87622 td->block[y][x], s->linesize);
1784 }
1785 283568 topright += 4;
1786 }
1787
1788 70892 ptr += 4 * s->linesize;
1789 70892 intra4x4 += 4;
1790 }
1791 }
1792
1793 57469 mode = check_intra_pred8x8_mode_emuedge(mb->chroma_pred_mode,
1794 mb_x, mb_y, is_vp7);
1795 57469 s->hpc.pred8x8[mode](dst[1], s->uvlinesize);
1796 57469 s->hpc.pred8x8[mode](dst[2], s->uvlinesize);
1797
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 57469 if (mb_y && (s->deblock_filter || !mb_y) && td->thread_nr == 0)
1799 42112 xchg_mb_border(s->top_border[mb_x + 1], dst[0], dst[1], dst[2],
1800 42112 s->linesize, s->uvlinesize, mb_x, mb_y, s->mb_width,
1801 42112 s->filter.simple, 0);
1802 57469 }
1803
1804 static const uint8_t subpel_idx[3][8] = {
1805 { 0, 1, 2, 1, 2, 1, 2, 1 }, // nr. of left extra pixels,
1806 // also function pointer index
1807 { 0, 3, 5, 3, 5, 3, 5, 3 }, // nr. of extra pixels required
1808 { 0, 2, 3, 2, 3, 2, 3, 2 }, // nr. of right extra pixels
1809 };
1810
1811 /**
1812 * luma MC function
1813 *
1814 * @param s VP8 decoding context
1815 * @param dst target buffer for block data at block position
1816 * @param ref reference picture buffer at origin (0, 0)
1817 * @param mv motion vector (relative to block position) to get pixel data from
1818 * @param x_off horizontal position of block from origin (0, 0)
1819 * @param y_off vertical position of block from origin (0, 0)
1820 * @param block_w width of block (16, 8 or 4)
1821 * @param block_h height of block (always same as block_w)
1822 * @param width width of src/dst plane data
1823 * @param height height of src/dst plane data
1824 * @param linesize size of a single line of plane data, including padding
1825 * @param mc_func motion compensation function pointers (bilinear or sixtap MC)
1826 */
1827 static av_always_inline
1828 504616 void vp8_mc_luma(VP8Context *s, VP8ThreadData *td, uint8_t *dst,
1829 const ProgressFrame *ref, const VP8mv *mv,
1830 int x_off, int y_off, int block_w, int block_h,
1831 int width, int height, ptrdiff_t linesize,
1832 vp8_mc_func mc_func[3][3])
1833 {
1834 504616 const uint8_t *src = ref->f->data[0];
1835
1836
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 504616 if (AV_RN32A(mv)) {
1837 124899 ptrdiff_t src_linesize = linesize;
1838
1839 124899 int mx = (mv->x * 2) & 7, mx_idx = subpel_idx[0][mx];
1840 124899 int my = (mv->y * 2) & 7, my_idx = subpel_idx[0][my];
1841
1842 124899 x_off += mv->x >> 2;
1843 124899 y_off += mv->y >> 2;
1844
1845 // edge emulation
1846 124899 ff_progress_frame_await(ref, (3 + y_off + block_h + subpel_idx[2][my]) >> 4);
1847 124899 src += y_off * linesize + x_off;
1848
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 124899 if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
1849
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 118706 y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
1850 9236 s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
1851 9236 src - my_idx * linesize - mx_idx,
1852 EDGE_EMU_LINESIZE, linesize,
1853 9236 block_w + subpel_idx[1][mx],
1854 9236 block_h + subpel_idx[1][my],
1855 x_off - mx_idx, y_off - my_idx,
1856 width, height);
1857 9236 src = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
1858 9236 src_linesize = EDGE_EMU_LINESIZE;
1859 }
1860 124899 mc_func[my_idx][mx_idx](dst, linesize, src, src_linesize, block_h, mx, my);
1861 } else {
1862 379717 ff_progress_frame_await(ref, (3 + y_off + block_h) >> 4);
1863 379717 mc_func[0][0](dst, linesize, src + y_off * linesize + x_off,
1864 linesize, block_h, 0, 0);
1865 }
1866 504616 }
1867
1868 /**
1869 * chroma MC function
1870 *
1871 * @param s VP8 decoding context
1872 * @param dst1 target buffer for block data at block position (U plane)
1873 * @param dst2 target buffer for block data at block position (V plane)
1874 * @param ref reference picture buffer at origin (0, 0)
1875 * @param mv motion vector (relative to block position) to get pixel data from
1876 * @param x_off horizontal position of block from origin (0, 0)
1877 * @param y_off vertical position of block from origin (0, 0)
1878 * @param block_w width of block (16, 8 or 4)
1879 * @param block_h height of block (always same as block_w)
1880 * @param width width of src/dst plane data
1881 * @param height height of src/dst plane data
1882 * @param linesize size of a single line of plane data, including padding
1883 * @param mc_func motion compensation function pointers (bilinear or sixtap MC)
1884 */
1885 static av_always_inline
1886 425236 void vp8_mc_chroma(VP8Context *s, VP8ThreadData *td, uint8_t *dst1,
1887 uint8_t *dst2, const ProgressFrame *ref, const VP8mv *mv,
1888 int x_off, int y_off, int block_w, int block_h,
1889 int width, int height, ptrdiff_t linesize,
1890 vp8_mc_func mc_func[3][3])
1891 {
1892 425236 const uint8_t *src1 = ref->f->data[1], *src2 = ref->f->data[2];
1893
1894
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 425236 if (AV_RN32A(mv)) {
1895 79190 int mx = mv->x & 7, mx_idx = subpel_idx[0][mx];
1896 79190 int my = mv->y & 7, my_idx = subpel_idx[0][my];
1897
1898 79190 x_off += mv->x >> 3;
1899 79190 y_off += mv->y >> 3;
1900
1901 // edge emulation
1902 79190 src1 += y_off * linesize + x_off;
1903 79190 src2 += y_off * linesize + x_off;
1904 79190 ff_progress_frame_await(ref, (3 + y_off + block_h + subpel_idx[2][my]) >> 3);
1905
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 79190 if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
1906
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 73050 y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
1907 9157 s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
1908 9157 src1 - my_idx * linesize - mx_idx,
1909 EDGE_EMU_LINESIZE, linesize,
1910 9157 block_w + subpel_idx[1][mx],
1911 9157 block_h + subpel_idx[1][my],
1912 x_off - mx_idx, y_off - my_idx, width, height);
1913 9157 src1 = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
1914 9157 mc_func[my_idx][mx_idx](dst1, linesize, src1, EDGE_EMU_LINESIZE, block_h, mx, my);
1915
1916 9157 s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
1917 9157 src2 - my_idx * linesize - mx_idx,
1918 EDGE_EMU_LINESIZE, linesize,
1919 9157 block_w + subpel_idx[1][mx],
1920 9157 block_h + subpel_idx[1][my],
1921 x_off - mx_idx, y_off - my_idx, width, height);
1922 9157 src2 = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
1923 9157 mc_func[my_idx][mx_idx](dst2, linesize, src2, EDGE_EMU_LINESIZE, block_h, mx, my);
1924 } else {
1925 70033 mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my);
1926 70033 mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my);
1927 }
1928 } else {
1929 346046 ff_progress_frame_await(ref, (3 + y_off + block_h) >> 3);
1930 346046 mc_func[0][0](dst1, linesize, src1 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1931 346046 mc_func[0][0](dst2, linesize, src2 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1932 }
1933 425236 }
1934
1935 static av_always_inline
1936 398776 void vp8_mc_part(VP8Context *s, VP8ThreadData *td, uint8_t *const dst[3],
1937 const ProgressFrame *ref_frame, int x_off, int y_off,
1938 int bx_off, int by_off, int block_w, int block_h,
1939 int width, int height, const VP8mv *mv)
1940 {
1941 398776 VP8mv uvmv = *mv;
1942
1943 /* Y */
1944 398776 vp8_mc_luma(s, td, dst[0] + by_off * s->linesize + bx_off,
1945 ref_frame, mv, x_off + bx_off, y_off + by_off,
1946 block_w, block_h, width, height, s->linesize,
1947 398776 s->put_pixels_tab[block_w == 8]);
1948
1949 /* U/V */
1950
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 398776 if (s->profile == 3) {
1951 /* this block only applies VP8; it is safe to check
1952 * only the profile, as VP7 profile <= 1 */
1953 4775 uvmv.x &= ~7;
1954 4775 uvmv.y &= ~7;
1955 }
1956 398776 x_off >>= 1;
1957 398776 y_off >>= 1;
1958 398776 bx_off >>= 1;
1959 398776 by_off >>= 1;
1960 398776 width >>= 1;
1961 398776 height >>= 1;
1962 398776 block_w >>= 1;
1963 398776 block_h >>= 1;
1964 398776 vp8_mc_chroma(s, td, dst[1] + by_off * s->uvlinesize + bx_off,
1965 398776 dst[2] + by_off * s->uvlinesize + bx_off, ref_frame,
1966 &uvmv, x_off + bx_off, y_off + by_off,
1967 block_w, block_h, width, height, s->uvlinesize,
1968
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 398776 s->put_pixels_tab[1 + (block_w == 4)]);
1969 398776 }
1970
1971 /* Fetch pixels for estimated mv 4 macroblocks ahead.
1972 * Optimized for 64-byte cache lines. Inspired by ffh264 prefetch_motion. */
1973 static av_always_inline
1974 1331427 void prefetch_motion(const VP8Context *s, const VP8Macroblock *mb,
1975 int mb_x, int mb_y, int mb_xy, int ref)
1976 {
1977 /* Don't prefetch refs that haven't been used very often this frame. */
1978
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 1331427 if (s->ref_count[ref - 1] > (mb_xy >> 5)) {
1979 479251 int x_off = mb_x << 4, y_off = mb_y << 4;
1980 479251 int mx = (mb->mv.x >> 2) + x_off + 8;
1981 479251 int my = (mb->mv.y >> 2) + y_off;
1982 479251 uint8_t **src = s->framep[ref]->tf.f->data;
1983 479251 int off = mx + (my + (mb_x & 3) * 4) * s->linesize + 64;
1984 /* For threading, a ff_thread_await_progress here might be useful, but
1985 * it actually slows down the decoder. Since a bad prefetch doesn't
1986 * generate bad decoder output, we don't run it here. */
1987 479251 s->vdsp.prefetch(src[0] + off, s->linesize, 4);
1988 479251 off = (mx >> 1) + ((my >> 1) + (mb_x & 7)) * s->uvlinesize + 64;
1989 479251 s->vdsp.prefetch(src[1] + off, src[2] - src[1], 2);
1990 }
1991 1331427 }
1992
1993 /**
1994 * Apply motion vectors to prediction buffer, chapter 18.
1995 */
1996 static av_always_inline
1997 386340 void inter_predict(VP8Context *s, VP8ThreadData *td, uint8_t *const dst[3],
1998 VP8Macroblock *mb, int mb_x, int mb_y)
1999 {
2000 386340 int x_off = mb_x << 4, y_off = mb_y << 4;
2001 386340 int width = 16 * s->mb_width, height = 16 * s->mb_height;
2002 386340 const ProgressFrame *ref = &s->framep[mb->ref_frame]->tf;
2003 386340 const VP8mv *bmv = mb->bmv;
2004
2005
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 386340 switch (mb->partitioning) {
2006 368012 case VP8_SPLITMVMODE_NONE:
2007 368012 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2008 368012 0, 0, 16, 16, width, height, &mb->mv);
2009 368012 break;
2010 6615 case VP8_SPLITMVMODE_4x4: {
2011 int x, y;
2012 VP8mv uvmv;
2013
2014 /* Y */
2015
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 33075 for (y = 0; y < 4; y++) {
2016
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 132300 for (x = 0; x < 4; x++) {
2017 105840 vp8_mc_luma(s, td, dst[0] + 4 * y * s->linesize + x * 4,
2018 105840 ref, &bmv[4 * y + x],
2019 105840 4 * x + x_off, 4 * y + y_off, 4, 4,
2020 width, height, s->linesize,
2021 105840 s->put_pixels_tab[2]);
2022 }
2023 }
2024
2025 /* U/V */
2026 6615 x_off >>= 1;
2027 6615 y_off >>= 1;
2028 6615 width >>= 1;
2029 6615 height >>= 1;
2030
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 19845 for (y = 0; y < 2; y++) {
2031
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 39690 for (x = 0; x < 2; x++) {
2032 26460 uvmv.x = mb->bmv[2 * y * 4 + 2 * x ].x +
2033 26460 mb->bmv[2 * y * 4 + 2 * x + 1].x +
2034 26460 mb->bmv[(2 * y + 1) * 4 + 2 * x ].x +
2035 26460 mb->bmv[(2 * y + 1) * 4 + 2 * x + 1].x;
2036 26460 uvmv.y = mb->bmv[2 * y * 4 + 2 * x ].y +
2037 26460 mb->bmv[2 * y * 4 + 2 * x + 1].y +
2038 26460 mb->bmv[(2 * y + 1) * 4 + 2 * x ].y +
2039 26460 mb->bmv[(2 * y + 1) * 4 + 2 * x + 1].y;
2040 26460 uvmv.x = (uvmv.x + 2 + FF_SIGNBIT(uvmv.x)) >> 2;
2041 26460 uvmv.y = (uvmv.y + 2 + FF_SIGNBIT(uvmv.y)) >> 2;
2042
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 26460 if (s->profile == 3) {
2043 492 uvmv.x &= ~7;
2044 492 uvmv.y &= ~7;
2045 }
2046 26460 vp8_mc_chroma(s, td, dst[1] + 4 * y * s->uvlinesize + x * 4,
2047 26460 dst[2] + 4 * y * s->uvlinesize + x * 4, ref,
2048 26460 &uvmv, 4 * x + x_off, 4 * y + y_off, 4, 4,
2049 width, height, s->uvlinesize,
2050 26460 s->put_pixels_tab[2]);
2051 }
2052 }
2053 6615 break;
2054 }
2055 4909 case VP8_SPLITMVMODE_16x8:
2056 4909 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2057 0, 0, 16, 8, width, height, &bmv[0]);
2058 4909 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2059 0, 8, 16, 8, width, height, &bmv[1]);
2060 4909 break;
2061 3135 case VP8_SPLITMVMODE_8x16:
2062 3135 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2063 0, 0, 8, 16, width, height, &bmv[0]);
2064 3135 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2065 8, 0, 8, 16, width, height, &bmv[1]);
2066 3135 break;
2067 3669 case VP8_SPLITMVMODE_8x8:
2068 3669 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2069 0, 0, 8, 8, width, height, &bmv[0]);
2070 3669 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2071 8, 0, 8, 8, width, height, &bmv[1]);
2072 3669 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2073 0, 8, 8, 8, width, height, &bmv[2]);
2074 3669 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2075 8, 8, 8, 8, width, height, &bmv[3]);
2076 3669 break;
2077 }
2078 386340 }
2079
2080 static av_always_inline
2081 76928 void idct_mb(VP8Context *s, VP8ThreadData *td, uint8_t *const dst[3],
2082 const VP8Macroblock *mb)
2083 {
2084 int x, y, ch;
2085
2086
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 76928 if (mb->mode != MODE_I4x4) {
2087 59668 uint8_t *y_dst = dst[0];
2088
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 298340 for (y = 0; y < 4; y++) {
2089 238672 uint32_t nnz4 = AV_RL32(td->non_zero_count_cache[y]);
2090
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 238672 if (nnz4) {
2091
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 175980 if (nnz4 & ~0x01010101) {
2092
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 156281 for (x = 0; x < 4; x++) {
2093
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 156281 if ((uint8_t) nnz4 == 1)
2094 54147 s->vp8dsp.vp8_idct_dc_add(y_dst + 4 * x,
2095 54147 td->block[y][x],
2096 s->linesize);
2097
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 102134 else if ((uint8_t) nnz4 > 1)
2098 74653 s->vp8dsp.vp8_idct_add(y_dst + 4 * x,
2099 74653 td->block[y][x],
2100 s->linesize);
2101 156281 nnz4 >>= 8;
2102
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 156281 if (!nnz4)
2103 44976 break;
2104 }
2105 } else {
2106 131004 s->vp8dsp.vp8_idct_dc_add4y(y_dst, td->block[y], s->linesize);
2107 }
2108 }
2109 238672 y_dst += 4 * s->linesize;
2110 }
2111 }
2112
2113
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 230784 for (ch = 0; ch < 2; ch++) {
2114 153856 uint32_t nnz4 = AV_RL32(td->non_zero_count_cache[4 + ch]);
2115
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 153856 if (nnz4) {
2116 60140 uint8_t *ch_dst = dst[1 + ch];
2117
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 60140 if (nnz4 & ~0x01010101) {
2118
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 55706 for (y = 0; y < 2; y++) {
2119
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 132335 for (x = 0; x < 2; x++) {
2120
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 106679 if ((uint8_t) nnz4 == 1)
2121 16079 s->vp8dsp.vp8_idct_dc_add(ch_dst + 4 * x,
2122 16079 td->block[4 + ch][(y << 1) + x],
2123 s->uvlinesize);
2124
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 90600 else if ((uint8_t) nnz4 > 1)
2125 67126 s->vp8dsp.vp8_idct_add(ch_dst + 4 * x,
2126 67126 td->block[4 + ch][(y << 1) + x],
2127 s->uvlinesize);
2128 106679 nnz4 >>= 8;
2129
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 106679 if (!nnz4)
2130 30050 goto chroma_idct_end;
2131 }
2132 25656 ch_dst += 4 * s->uvlinesize;
2133 }
2134 } else {
2135 30090 s->vp8dsp.vp8_idct_dc_add4uv(ch_dst, td->block[4 + ch], s->uvlinesize);
2136 }
2137 }
2138 153856 chroma_idct_end:
2139 ;
2140 }
2141 76928 }
2142
2143 static av_always_inline
2144 424749 void filter_level_for_mb(const VP8Context *s, const VP8Macroblock *mb,
2145 VP8FilterStrength *f, int is_vp7)
2146 {
2147 int interior_limit, filter_level;
2148
2149
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 424749 if (s->segmentation.enabled) {
2150 102219 filter_level = s->segmentation.filter_level[mb->segment];
2151
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 102219 if (!s->segmentation.absolute_vals)
2152 98895 filter_level += s->filter.level;
2153 } else
2154 322530 filter_level = s->filter.level;
2155
2156
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 424749 if (s->lf_delta.enabled) {
2157 416955 filter_level += s->lf_delta.ref[mb->ref_frame];
2158 416955 filter_level += s->lf_delta.mode[mb->mode];
2159 }
2160
2161 424749 filter_level = av_clip_uintp2(filter_level, 6);
2162
2163 424749 interior_limit = filter_level;
2164
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 424749 if (s->filter.sharpness) {
2165 2772 interior_limit >>= (s->filter.sharpness + 3) >> 2;
2166 2772 interior_limit = FFMIN(interior_limit, 9 - s->filter.sharpness);
2167 }
2168 424749 interior_limit = FFMAX(interior_limit, 1);
2169
2170 424749 f->filter_level = filter_level;
2171 424749 f->inner_limit = interior_limit;
2172
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 777817 f->inner_filter = is_vp7 || !mb->skip || mb->mode == MODE_I4x4 ||
2173
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 353068 mb->mode == VP8_MVMODE_SPLIT;
2174 424749 }
2175
2176 static av_always_inline
2177 417027 void filter_mb(const VP8Context *s, uint8_t *const dst[3], const VP8FilterStrength *f,
2178 int mb_x, int mb_y, int is_vp7)
2179 {
2180 int mbedge_lim, bedge_lim_y, bedge_lim_uv, hev_thresh;
2181 417027 int filter_level = f->filter_level;
2182 417027 int inner_limit = f->inner_limit;
2183 417027 int inner_filter = f->inner_filter;
2184 417027 ptrdiff_t linesize = s->linesize;
2185 417027 ptrdiff_t uvlinesize = s->uvlinesize;
2186 static const uint8_t hev_thresh_lut[2][64] = {
2187 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2188 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2189 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
2190 3, 3, 3, 3 },
2191 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2192 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2193 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2194 2, 2, 2, 2 }
2195 };
2196
2197
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 417027 if (!filter_level)
2198 5876 return;
2199
2200
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 411151 if (is_vp7) {
2201 7040 bedge_lim_y = filter_level;
2202 7040 bedge_lim_uv = filter_level * 2;
2203 7040 mbedge_lim = filter_level + 2;
2204 } else {
2205 404111 bedge_lim_y =
2206 404111 bedge_lim_uv = filter_level * 2 + inner_limit;
2207 404111 mbedge_lim = bedge_lim_y + 4;
2208 }
2209
2210 411151 hev_thresh = hev_thresh_lut[s->keyframe][filter_level];
2211
2212
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 411151 if (mb_x) {
2213 397016 s->vp8dsp.vp8_h_loop_filter16y(dst[0], linesize,
2214 mbedge_lim, inner_limit, hev_thresh);
2215 397016 s->vp8dsp.vp8_h_loop_filter8uv(dst[1], dst[2], uvlinesize,
2216 mbedge_lim, inner_limit, hev_thresh);
2217 }
2218
2219 #define H_LOOP_FILTER_16Y_INNER(cond) \
2220 if (cond && inner_filter) { \
2221 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 4, linesize, \
2222 bedge_lim_y, inner_limit, \
2223 hev_thresh); \
2224 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 8, linesize, \
2225 bedge_lim_y, inner_limit, \
2226 hev_thresh); \
2227 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 12, linesize, \
2228 bedge_lim_y, inner_limit, \
2229 hev_thresh); \
2230 s->vp8dsp.vp8_h_loop_filter8uv_inner(dst[1] + 4, dst[2] + 4, \
2231 uvlinesize, bedge_lim_uv, \
2232 inner_limit, hev_thresh); \
2233 }
2234
2235
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 411151 H_LOOP_FILTER_16Y_INNER(!is_vp7)
2236
2237
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 411151 if (mb_y) {
2238 390087 s->vp8dsp.vp8_v_loop_filter16y(dst[0], linesize,
2239 mbedge_lim, inner_limit, hev_thresh);
2240 390087 s->vp8dsp.vp8_v_loop_filter8uv(dst[1], dst[2], uvlinesize,
2241 mbedge_lim, inner_limit, hev_thresh);
2242 }
2243
2244
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 411151 if (inner_filter) {
2245 69669 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 4 * linesize,
2246 linesize, bedge_lim_y,
2247 inner_limit, hev_thresh);
2248 69669 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 8 * linesize,
2249 linesize, bedge_lim_y,
2250 inner_limit, hev_thresh);
2251 69669 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 12 * linesize,
2252 linesize, bedge_lim_y,
2253 inner_limit, hev_thresh);
2254 69669 s->vp8dsp.vp8_v_loop_filter8uv_inner(dst[1] + 4 * uvlinesize,
2255 69669 dst[2] + 4 * uvlinesize,
2256 uvlinesize, bedge_lim_uv,
2257 inner_limit, hev_thresh);
2258 }
2259
2260
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 411151 H_LOOP_FILTER_16Y_INNER(is_vp7)
2261 }
2262
2263 static av_always_inline
2264 7722 void filter_mb_simple(const VP8Context *s, uint8_t *dst, const VP8FilterStrength *f,
2265 int mb_x, int mb_y)
2266 {
2267 int mbedge_lim, bedge_lim;
2268 7722 int filter_level = f->filter_level;
2269 7722 int inner_limit = f->inner_limit;
2270 7722 int inner_filter = f->inner_filter;
2271 7722 ptrdiff_t linesize = s->linesize;
2272
2273
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 7722 if (!filter_level)
2274 332 return;
2275
2276 7390 bedge_lim = 2 * filter_level + inner_limit;
2277 7390 mbedge_lim = bedge_lim + 4;
2278
2279
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 7390 if (mb_x)
2280 6713 s->vp8dsp.vp8_h_loop_filter_simple(dst, linesize, mbedge_lim);
2281
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 7390 if (inner_filter) {
2282 3523 s->vp8dsp.vp8_h_loop_filter_simple(dst + 4, linesize, bedge_lim);
2283 3523 s->vp8dsp.vp8_h_loop_filter_simple(dst + 8, linesize, bedge_lim);
2284 3523 s->vp8dsp.vp8_h_loop_filter_simple(dst + 12, linesize, bedge_lim);
2285 }
2286
2287
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 7390 if (mb_y)
2288 6609 s->vp8dsp.vp8_v_loop_filter_simple(dst, linesize, mbedge_lim);
2289
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 7390 if (inner_filter) {
2290 3523 s->vp8dsp.vp8_v_loop_filter_simple(dst + 4 * linesize, linesize, bedge_lim);
2291 3523 s->vp8dsp.vp8_v_loop_filter_simple(dst + 8 * linesize, linesize, bedge_lim);
2292 3523 s->vp8dsp.vp8_v_loop_filter_simple(dst + 12 * linesize, linesize, bedge_lim);
2293 }
2294 }
2295
2296 #define MARGIN (16 << 2)
2297 static av_always_inline
2298 32 int vp78_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe,
2299 const VP8Frame *prev_frame, int is_vp7)
2300 {
2301 32 VP8Context *s = avctx->priv_data;
2302 int mb_x, mb_y;
2303
2304 32 s->mv_bounds.mv_min.y = -MARGIN;
2305 32 s->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
2306
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 384 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
2307 352 VP8Macroblock *mb = s->macroblocks_base +
2308 352 ((s->mb_width + 1) * (mb_y + 1) + 1);
2309 352 int mb_xy = mb_y * s->mb_width;
2310
2311 352 AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED * 0x01010101);
2312
2313 352 s->mv_bounds.mv_min.x = -MARGIN;
2314 352 s->mv_bounds.mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
2315
2316
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 7392 for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
2317
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 7040 if (vpx_rac_is_end(&s->c)) {
2318 ✗ return AVERROR_INVALIDDATA;
2319 }
2320
2/2
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 7040 if (mb_y == 0)
2321 640 AV_WN32A((mb - s->mb_width - 1)->intra4x4_pred_mode_top,
2322 DC_PRED * 0x01010101);
2323
2/2
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 13860 decode_mb_mode(s, &s->mv_bounds, mb, mb_x, mb_y, curframe->seg_map + mb_xy,
2324
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✗ Branch 1 not taken.
 6820 prev_frame && prev_frame->seg_map ?
2325 6820 prev_frame->seg_map + mb_xy : NULL, 1, is_vp7);
2326 7040 s->mv_bounds.mv_min.x -= 64;
2327 7040 s->mv_bounds.mv_max.x -= 64;
2328 }
2329 352 s->mv_bounds.mv_min.y -= 64;
2330 352 s->mv_bounds.mv_max.y -= 64;
2331 }
2332 32 return 0;
2333 }
2334
2335 32 static int vp7_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame,
2336 const VP8Frame *prev_frame)
2337 {
2338 32 return vp78_decode_mv_mb_modes(avctx, cur_frame, prev_frame, IS_VP7);
2339 }
2340
2341 ✗ static int vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame,
2342 const VP8Frame *prev_frame)
2343 {
2344 ✗ return vp78_decode_mv_mb_modes(avctx, cur_frame, prev_frame, IS_VP8);
2345 }
2346
2347 #if HAVE_THREADS
2348 #define check_thread_pos(td, otd, mb_x_check, mb_y_check) \
2349 do { \
2350 int tmp = (mb_y_check << 16) | (mb_x_check & 0xFFFF); \
2351 if (atomic_load(&otd->thread_mb_pos) < tmp) { \
2352 pthread_mutex_lock(&otd->lock); \
2353 atomic_store(&td->wait_mb_pos, tmp); \
2354 do { \
2355 if (atomic_load(&otd->thread_mb_pos) >= tmp) \
2356 break; \
2357 pthread_cond_wait(&otd->cond, &otd->lock); \
2358 } while (1); \
2359 atomic_store(&td->wait_mb_pos, INT_MAX); \
2360 pthread_mutex_unlock(&otd->lock); \
2361 } \
2362 } while (0)
2363
2364 #define update_pos(td, mb_y, mb_x) \
2365 do { \
2366 int pos = (mb_y << 16) | (mb_x & 0xFFFF); \
2367 int sliced_threading = (avctx->active_thread_type == FF_THREAD_SLICE) && \
2368 (num_jobs > 1); \
2369 int is_null = !next_td || !prev_td; \
2370 int pos_check = (is_null) ? 1 : \
2371 (next_td != td && pos >= atomic_load(&next_td->wait_mb_pos)) || \
2372 (prev_td != td && pos >= atomic_load(&prev_td->wait_mb_pos)); \
2373 atomic_store(&td->thread_mb_pos, pos); \
2374 if (sliced_threading && pos_check) { \
2375 pthread_mutex_lock(&td->lock); \
2376 pthread_cond_broadcast(&td->cond); \
2377 pthread_mutex_unlock(&td->lock); \
2378 } \
2379 } while (0)
2380 #else
2381 #define check_thread_pos(td, otd, mb_x_check, mb_y_check) while(0)
2382 #define update_pos(td, mb_y, mb_x) while(0)
2383 #endif
2384
2385 16219 static av_always_inline int decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2386 int jobnr, int threadnr, int is_vp7)
2387 {
2388 16219 VP8Context *s = avctx->priv_data;
2389 16219 VP8ThreadData *prev_td, *next_td, *td = &s->thread_data[threadnr];
2390 16219 int mb_y = atomic_load(&td->thread_mb_pos) >> 16;
2391 16219 int mb_x, mb_xy = mb_y * s->mb_width;
2392 16219 int num_jobs = s->num_jobs;
2393 16219 const VP8Frame *prev_frame = s->prev_frame;
2394 16219 VP8Frame *curframe = s->curframe;
2395 16219 VPXRangeCoder *coeff_c = &s->coeff_partition[mb_y & (s->num_coeff_partitions - 1)];
2396
2397 VP8Macroblock *mb;
2398 16219 uint8_t *dst[3] = {
2399 16219 curframe->tf.f->data[0] + 16 * mb_y * s->linesize,
2400 16219 curframe->tf.f->data[1] + 8 * mb_y * s->uvlinesize,
2401 16219 curframe->tf.f->data[2] + 8 * mb_y * s->uvlinesize
2402 };
2403
2404
1/2
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 16219 if (vpx_rac_is_end(&s->c))
2405 ✗ return AVERROR_INVALIDDATA;
2406
2407
2/2
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✓ Branch 1 taken 15073 times.
 16219 if (mb_y == 0)
2408 1146 prev_td = td;
2409 else
2410 15073 prev_td = &s->thread_data[(jobnr + num_jobs - 1) % num_jobs];
2411
2/2
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 16219 if (mb_y == s->mb_height - 1)
2412 1146 next_td = td;
2413 else
2414 15073 next_td = &s->thread_data[(jobnr + 1) % num_jobs];
2415
2/2
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✓ Branch 1 taken 15867 times.
 16219 if (s->mb_layout == 1)
2416 352 mb = s->macroblocks_base + ((s->mb_width + 1) * (mb_y + 1) + 1);
2417 else {
2418 // Make sure the previous frame has read its segmentation map,
2419 // if we reuse the same map.
2420
4/4
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 15867 if (prev_frame && s->segmentation.enabled &&
2421
2/2
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 5598 !s->segmentation.update_map)
2422 5025 ff_progress_frame_await(&prev_frame->tf, mb_y);
2423 15867 mb = s->macroblocks + (s->mb_height - mb_y - 1) * 2;
2424 15867 memset(mb - 1, 0, sizeof(*mb)); // zero left macroblock
2425 15867 AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED * 0x01010101);
2426 }
2427
2428
4/4
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✓ Branch 3 taken 320 times.
 16219 if (!is_vp7 || mb_y == 0)
2429 15899 memset(td->left_nnz, 0, sizeof(td->left_nnz));
2430
2431 16219 td->mv_bounds.mv_min.x = -MARGIN;
2432 16219 td->mv_bounds.mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
2433
2434
2/2
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 460028 for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
2435
1/2
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 443809 if (vpx_rac_is_end(&s->c))
2436 ✗ return AVERROR_INVALIDDATA;
2437 // Wait for previous thread to read mb_x+2, and reach mb_y-1.
2438
1/2
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 443809 if (prev_td != td) {
2439 ✗ if (threadnr != 0) {
2440 ✗ check_thread_pos(td, prev_td,
2441 mb_x + (is_vp7 ? 2 : 1),
2442 mb_y - (is_vp7 ? 2 : 1));
2443 } else {
2444 ✗ check_thread_pos(td, prev_td,
2445 mb_x + (is_vp7 ? 2 : 1) + s->mb_width + 3,
2446 mb_y - (is_vp7 ? 2 : 1));
2447 }
2448 }
2449
2450 443809 s->vdsp.prefetch(dst[0] + (mb_x & 3) * 4 * s->linesize + 64,
2451 s->linesize, 4);
2452 443809 s->vdsp.prefetch(dst[1] + (mb_x & 7) * s->uvlinesize + 64,
2453 443809 dst[2] - dst[1], 2);
2454
2455
2/2
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 443809 if (!s->mb_layout)
2456
2/2
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 842798 decode_mb_mode(s, &td->mv_bounds, mb, mb_x, mb_y, curframe->seg_map + mb_xy,
2457
1/2
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✗ Branch 1 not taken.
 406029 prev_frame && prev_frame->seg_map ?
2458 406029 prev_frame->seg_map + mb_xy : NULL, 0, is_vp7);
2459
2460 443809 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP8_FRAME_PREVIOUS);
2461
2462
2/2
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 443809 if (!mb->skip) {
2463
1/2
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 83823 if (vpx_rac_is_end(coeff_c))
2464 ✗ return AVERROR_INVALIDDATA;
2465 83823 decode_mb_coeffs(s, td, coeff_c, mb, s->top_nnz[mb_x], td->left_nnz, is_vp7);
2466 }
2467
2468
2/2
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✓ Branch 1 taken 386340 times.
 443809 if (mb->mode <= MODE_I4x4)
2469 57469 intra_predict(s, td, dst, mb, mb_x, mb_y, is_vp7);
2470 else
2471 386340 inter_predict(s, td, dst, mb, mb_x, mb_y);
2472
2473 443809 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP8_FRAME_GOLDEN);
2474
2475
2/2
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 443809 if (!mb->skip) {
2476 76928 idct_mb(s, td, dst, mb);
2477 } else {
2478 366881 AV_ZERO64(td->left_nnz);
2479 366881 AV_WN64(s->top_nnz[mb_x], 0); // array of 9, so unaligned
2480
2481 /* Reset DC block predictors if they would exist
2482 * if the mb had coefficients */
2483
4/4
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 366881 if (mb->mode != MODE_I4x4 && mb->mode != VP8_MVMODE_SPLIT) {
2484 363151 td->left_nnz[8] = 0;
2485 363151 s->top_nnz[mb_x][8] = 0;
2486 }
2487 }
2488
2489
2/2
✓ Branch 0 taken 424749 times.
✓ Branch 1 taken 19060 times.
 443809 if (s->deblock_filter)
2490 424749 filter_level_for_mb(s, mb, &td->filter_strength[mb_x], is_vp7);
2491
2492
3/6
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 443809 if (s->deblock_filter && num_jobs != 1 && threadnr == num_jobs - 1) {
2493 ✗ if (s->filter.simple)
2494 ✗ backup_mb_border(s->top_border[mb_x + 1], dst[0],
2495 NULL, NULL, s->linesize, 0, 1);
2496 else
2497 ✗ backup_mb_border(s->top_border[mb_x + 1], dst[0],
2498 ✗ dst[1], dst[2], s->linesize, s->uvlinesize, 0);
2499 }
2500
2501 443809 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP8_FRAME_ALTREF);
2502
2503 443809 dst[0] += 16;
2504 443809 dst[1] += 8;
2505 443809 dst[2] += 8;
2506 443809 td->mv_bounds.mv_min.x -= 64;
2507 443809 td->mv_bounds.mv_max.x -= 64;
2508
2509
1/2
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 443809 if (mb_x == s->mb_width + 1) {
2510 ✗ update_pos(td, mb_y, s->mb_width + 3);
2511 } else {
2512
7/22
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 443809 update_pos(td, mb_y, mb_x);
2513 }
2514 }
2515 16219 return 0;
2516 }
2517
2518 15145 static av_always_inline void filter_mb_row(AVCodecContext *avctx, void *tdata,
2519 int jobnr, int threadnr, int is_vp7)
2520 {
2521 15145 VP8Context *s = avctx->priv_data;
2522 15145 VP8ThreadData *td = &s->thread_data[threadnr];
2523 15145 int mb_x, mb_y = atomic_load(&td->thread_mb_pos) >> 16, num_jobs = s->num_jobs;
2524 15145 AVFrame *curframe = s->curframe->tf.f;
2525 VP8ThreadData *prev_td, *next_td;
2526 15145 uint8_t *dst[3] = {
2527 15145 curframe->data[0] + 16 * mb_y * s->linesize,
2528 15145 curframe->data[1] + 8 * mb_y * s->uvlinesize,
2529 15145 curframe->data[2] + 8 * mb_y * s->uvlinesize
2530 };
2531
2532
2/2
✓ Branch 0 taken 1037 times.
✓ Branch 1 taken 14108 times.
 15145 if (mb_y == 0)
2533 1037 prev_td = td;
2534 else
2535 14108 prev_td = &s->thread_data[(jobnr + num_jobs - 1) % num_jobs];
2536
2/2
✓ Branch 0 taken 1037 times.
✓ Branch 1 taken 14108 times.
 15145 if (mb_y == s->mb_height - 1)
2537 1037 next_td = td;
2538 else
2539 14108 next_td = &s->thread_data[(jobnr + 1) % num_jobs];
2540
2541
2/2
✓ Branch 0 taken 424749 times.
✓ Branch 1 taken 15145 times.
 439894 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
2542 424749 const VP8FilterStrength *f = &td->filter_strength[mb_x];
2543
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 424749 times.
 424749 if (prev_td != td)
2544 ✗ check_thread_pos(td, prev_td,
2545 (mb_x + 1) + (s->mb_width + 3), mb_y - 1);
2546
1/2
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 424749 if (next_td != td)
2547 ✗ if (next_td != &s->thread_data[0])
2548 ✗ check_thread_pos(td, next_td, mb_x + 1, mb_y + 1);
2549
2550
1/2
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✗ Branch 1 not taken.
 424749 if (num_jobs == 1) {
2551
2/2
✓ Branch 0 taken 7722 times.
✓ Branch 1 taken 417027 times.
 424749 if (s->filter.simple)
2552 7722 backup_mb_border(s->top_border[mb_x + 1], dst[0],
2553 NULL, NULL, s->linesize, 0, 1);
2554 else
2555 417027 backup_mb_border(s->top_border[mb_x + 1], dst[0],
2556 417027 dst[1], dst[2], s->linesize, s->uvlinesize, 0);
2557 }
2558
2559
2/2
✓ Branch 0 taken 7722 times.
✓ Branch 1 taken 417027 times.
 424749 if (s->filter.simple)
2560 7722 filter_mb_simple(s, dst[0], f, mb_x, mb_y);
2561 else
2562 417027 filter_mb(s, dst, f, mb_x, mb_y, is_vp7);
2563 424749 dst[0] += 16;
2564 424749 dst[1] += 8;
2565 424749 dst[2] += 8;
2566
2567
7/22
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 424749 update_pos(td, mb_y, (s->mb_width + 3) + mb_x);
2568 }
2569 15145 }
2570
2571 static av_always_inline
2572 1146 int vp78_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, int jobnr,
2573 int threadnr, int is_vp7)
2574 {
2575 1146 const VP8Context *s = avctx->priv_data;
2576 1146 VP8ThreadData *td = &s->thread_data[jobnr];
2577 1146 VP8ThreadData *next_td = NULL, *prev_td = NULL;
2578 1146 VP8Frame *curframe = s->curframe;
2579 1146 int mb_y, num_jobs = s->num_jobs;
2580 int ret;
2581
2582 1146 td->thread_nr = threadnr;
2583 1146 td->mv_bounds.mv_min.y = -MARGIN - 64 * threadnr;
2584 1146 td->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN - 64 * threadnr;
2585
2/2
✓ Branch 0 taken 16219 times.
✓ Branch 1 taken 1146 times.
 17365 for (mb_y = jobnr; mb_y < s->mb_height; mb_y += num_jobs) {
2586 16219 atomic_store(&td->thread_mb_pos, mb_y << 16);
2587 16219 ret = s->decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr);
2588
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 16219 times.
 16219 if (ret < 0) {
2589 ✗ update_pos(td, s->mb_height, INT_MAX & 0xFFFF);
2590 ✗ return ret;
2591 }
2592
2/2
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✓ Branch 1 taken 1074 times.
 16219 if (s->deblock_filter)
2593 15145 s->filter_mb_row(avctx, tdata, jobnr, threadnr);
2594
4/22
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 16219 update_pos(td, mb_y, INT_MAX & 0xFFFF);
2595
2596 16219 td->mv_bounds.mv_min.y -= 64 * num_jobs;
2597 16219 td->mv_bounds.mv_max.y -= 64 * num_jobs;
2598
2599
1/2
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✓ Branch 1 taken 16219 times.
 16219 if (avctx->active_thread_type == FF_THREAD_FRAME)
2600 ✗ ff_progress_frame_report(&curframe->tf, mb_y);
2601 }
2602
2603 1146 return 0;
2604 }
2605
2606 32 static int vp7_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata,
2607 int jobnr, int threadnr)
2608 {
2609 32 return vp78_decode_mb_row_sliced(avctx, tdata, jobnr, threadnr, IS_VP7);
2610 }
2611
2612 1114 static int vp8_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata,
2613 int jobnr, int threadnr)
2614 {
2615 1114 return vp78_decode_mb_row_sliced(avctx, tdata, jobnr, threadnr, IS_VP8);
2616 }
2617
2618 static av_always_inline
2619 1146 int vp78_decode_frame(AVCodecContext *avctx, AVFrame *rframe, int *got_frame,
2620 const AVPacket *avpkt, int is_vp7)
2621 {
2622 1146 VP8Context *s = avctx->priv_data;
2623 int ret, i, referenced, num_jobs;
2624 enum AVDiscard skip_thresh;
2625 1146 VP8Frame *av_uninit(curframe), *prev_frame;
2626
2627
2/2
✓ Branch 0 taken 32 times.
✓ Branch 1 taken 1114 times.
 1146 if (is_vp7)
2628 32 ret = vp7_decode_frame_header(s, avpkt->data, avpkt->size);
2629 else
2630 1114 ret = vp8_decode_frame_header(s, avpkt->data, avpkt->size);
2631
2632
1/2
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✓ Branch 1 taken 1146 times.
 1146 if (ret < 0)
2633 ✗ goto err;
2634
2635
4/4
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✓ Branch 1 taken 32 times.
✓ Branch 2 taken 6 times.
✓ Branch 3 taken 1108 times.
 1146 if (!is_vp7 && s->actually_webp) {
2636 // VP8 in WebP is supposed to be intra-only. Enforce this here
2637 // to ensure that output is reproducible with frame-threading.
2638
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6 times.
 6 if (!s->keyframe)
2639 ✗ return AVERROR_INVALIDDATA;
2640 // avctx->pix_fmt already set in caller.
2641
3/4
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✓ Branch 1 taken 32 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 1108 times.
 1140 } else if (!is_vp7 && s->pix_fmt == AV_PIX_FMT_NONE) {
2642 ✗ s->pix_fmt = get_pixel_format(s);
2643 ✗ if (s->pix_fmt < 0) {
2644 ✗ ret = AVERROR(EINVAL);
2645 ✗ goto err;
2646 }
2647 ✗ avctx->pix_fmt = s->pix_fmt;
2648 }
2649
2650 1146 prev_frame = s->framep[VP8_FRAME_CURRENT];
2651
2652
3/4
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✗ Branch 3 not taken.
 1157 referenced = s->update_last || s->update_golden == VP8_FRAME_CURRENT ||
2653
2/2
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✓ Branch 1 taken 2 times.
 11 s->update_altref == VP8_FRAME_CURRENT;
2654
2655 1146 skip_thresh = !referenced ? AVDISCARD_NONREF
2656
4/4
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✓ Branch 1 taken 2 times.
✓ Branch 2 taken 1094 times.
✓ Branch 3 taken 50 times.
 1146 : !s->keyframe ? AVDISCARD_NONKEY
2657 : AVDISCARD_ALL;
2658
2659
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1146 times.
 1146 if (avctx->skip_frame >= skip_thresh) {
2660 ✗ s->invisible = 1;
2661 ✗ memcpy(&s->next_framep[0], &s->framep[0], sizeof(s->framep[0]) * 4);
2662 ✗ goto skip_decode;
2663 }
2664
3/4
✓ Branch 0 taken 1037 times.
✓ Branch 1 taken 109 times.
✓ Branch 2 taken 1037 times.
✗ Branch 3 not taken.
 1146 s->deblock_filter = s->filter.level && avctx->skip_loop_filter < skip_thresh;
2665
2666 // release no longer referenced frames
2667
2/2
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✓ Branch 1 taken 1146 times.
 6876 for (i = 0; i < 5; i++)
2668
2/2
✓ Branch 0 taken 3833 times.
✓ Branch 1 taken 1897 times.
 5730 if (s->frames[i].tf.f &&
2669
2/2
✓ Branch 0 taken 2725 times.
✓ Branch 1 taken 1108 times.
 3833 &s->frames[i] != prev_frame &&
2670
2/2
✓ Branch 0 taken 2714 times.
✓ Branch 1 taken 11 times.
 2725 &s->frames[i] != s->framep[VP8_FRAME_PREVIOUS] &&
2671
2/2
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✓ Branch 1 taken 971 times.
 2714 &s->frames[i] != s->framep[VP8_FRAME_GOLDEN] &&
2672
2/2
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✓ Branch 1 taken 708 times.
 1743 &s->frames[i] != s->framep[VP8_FRAME_ALTREF])
2673 1035 vp8_release_frame(&s->frames[i]);
2674
2675
1/2
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✗ Branch 1 not taken.
 1146 if (!s->colorspace)
2676 1146 avctx->colorspace = AVCOL_SPC_BT470BG;
2677
1/2
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 1146 if (s->fullrange)
2678 ✗ avctx->color_range = AVCOL_RANGE_JPEG;
2679 else
2680 1146 avctx->color_range = AVCOL_RANGE_MPEG;
2681
2682 /* Given that arithmetic probabilities are updated every frame, it's quite
2683 * likely that the values we have on a random interframe are complete
2684 * junk if we didn't start decode on a keyframe. So just don't display
2685 * anything rather than junk. */
2686
3/4
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 1146 if (!s->keyframe && (!s->framep[VP8_FRAME_PREVIOUS] ||
2687
1/2
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✗ Branch 1 not taken.
 1096 !s->framep[VP8_FRAME_GOLDEN] ||
2688
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 1096 !s->framep[VP8_FRAME_ALTREF])) {
2689 ✗ av_log(avctx, AV_LOG_WARNING,
2690 "Discarding interframe without a prior keyframe!\n");
2691 ✗ ret = AVERROR_INVALIDDATA;
2692 ✗ goto err;
2693 }
2694
2695 1146 curframe = vp8_find_free_buffer(s);
2696
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1146 times.
 1146 if ((ret = vp8_alloc_frame(s, curframe, referenced)) < 0)
2697 ✗ goto err;
2698 1146 s->framep[VP8_FRAME_CURRENT] = curframe;
2699
2/2
✓ Branch 0 taken 50 times.
✓ Branch 1 taken 1096 times.
 1146 if (s->keyframe)
2700 50 curframe->tf.f->flags |= AV_FRAME_FLAG_KEY;
2701 else
2702 1096 curframe->tf.f->flags &= ~AV_FRAME_FLAG_KEY;
2703 2292 curframe->tf.f->pict_type = s->keyframe ? AV_PICTURE_TYPE_I
2704
2/2
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✓ Branch 1 taken 1096 times.
 1146 : AV_PICTURE_TYPE_P;
2705
2706 // check if golden and altref are swapped
2707
2/2
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✓ Branch 1 taken 947 times.
 1146 if (s->update_altref != VP8_FRAME_NONE)
2708 199 s->next_framep[VP8_FRAME_ALTREF] = s->framep[s->update_altref];
2709 else
2710 947 s->next_framep[VP8_FRAME_ALTREF] = s->framep[VP8_FRAME_ALTREF];
2711
2712
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 1146 if (s->update_golden != VP8_FRAME_NONE)
2713 140 s->next_framep[VP8_FRAME_GOLDEN] = s->framep[s->update_golden];
2714 else
2715 1006 s->next_framep[VP8_FRAME_GOLDEN] = s->framep[VP8_FRAME_GOLDEN];
2716
2717
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 1146 if (s->update_last)
2718 1135 s->next_framep[VP8_FRAME_PREVIOUS] = curframe;
2719 else
2720 11 s->next_framep[VP8_FRAME_PREVIOUS] = s->framep[VP8_FRAME_PREVIOUS];
2721
2722 1146 s->next_framep[VP8_FRAME_CURRENT] = curframe;
2723
2724
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 1146 if (!is_vp7 && !s->actually_webp)
2725 1108 ff_thread_finish_setup(avctx);
2726
2727
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 1146 if (!is_vp7 && avctx->hwaccel) {
2728 ✗ const FFHWAccel *hwaccel = ffhwaccel(avctx->hwaccel);
2729 ✗ ret = hwaccel->start_frame(avctx, avpkt->buf, avpkt->data, avpkt->size);
2730 ✗ if (ret < 0)
2731 ✗ goto err;
2732
2733 ✗ ret = hwaccel->decode_slice(avctx, avpkt->data, avpkt->size);
2734 ✗ if (ret < 0)
2735 ✗ goto err;
2736
2737 ✗ ret = hwaccel->end_frame(avctx);
2738 ✗ if (ret < 0)
2739 ✗ goto err;
2740
2741 } else {
2742 1146 s->linesize = curframe->tf.f->linesize[0];
2743 1146 s->uvlinesize = curframe->tf.f->linesize[1];
2744
2745 1146 memset(s->top_nnz, 0, s->mb_width * sizeof(*s->top_nnz));
2746 /* Zero macroblock structures for top/top-left prediction
2747 * from outside the frame. */
2748
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 1146 if (!s->mb_layout)
2749 1114 memset(s->macroblocks + s->mb_height * 2 - 1, 0,
2750 1114 (s->mb_width + 1) * sizeof(*s->macroblocks));
2751
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 1146 if (!s->mb_layout && s->keyframe)
2752 49 memset(s->intra4x4_pred_mode_top, DC_PRED, s->mb_width * 4);
2753
2754 1146 memset(s->ref_count, 0, sizeof(s->ref_count));
2755
2756
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 1146 if (s->mb_layout == 1) {
2757 // Make sure the previous frame has read its segmentation map,
2758 // if we reuse the same map.
2759
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 32 if (prev_frame && s->segmentation.enabled &&
2760 ✗ !s->segmentation.update_map)
2761 ✗ ff_progress_frame_await(&prev_frame->tf, 1);
2762
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 32 if (is_vp7)
2763 32 ret = vp7_decode_mv_mb_modes(avctx, curframe, prev_frame);
2764 else
2765 ✗ ret = vp8_decode_mv_mb_modes(avctx, curframe, prev_frame);
2766
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 32 if (ret < 0)
2767 ✗ goto err;
2768 }
2769
2770
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 1146 if (avctx->active_thread_type == FF_THREAD_FRAME)
2771 ✗ num_jobs = 1;
2772 else
2773 1146 num_jobs = FFMIN(s->num_coeff_partitions, avctx->thread_count);
2774 1146 s->num_jobs = num_jobs;
2775 1146 s->curframe = curframe;
2776 1146 s->prev_frame = prev_frame;
2777 1146 s->mv_bounds.mv_min.y = -MARGIN;
2778 1146 s->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
2779
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 10314 for (i = 0; i < MAX_THREADS; i++) {
2780 9168 VP8ThreadData *td = &s->thread_data[i];
2781 9168 atomic_init(&td->thread_mb_pos, 0);
2782 9168 atomic_init(&td->wait_mb_pos, INT_MAX);
2783 }
2784
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 1146 if (is_vp7)
2785 32 avctx->execute2(avctx, vp7_decode_mb_row_sliced, s->thread_data, NULL,
2786 num_jobs);
2787 else
2788 1114 avctx->execute2(avctx, vp8_decode_mb_row_sliced, s->thread_data, NULL,
2789 num_jobs);
2790 }
2791
2792 1146 ff_progress_frame_report(&curframe->tf, INT_MAX);
2793 1146 memcpy(&s->framep[0], &s->next_framep[0], sizeof(s->framep[0]) * 4);
2794
2795 1146 skip_decode:
2796 // if future frames don't use the updated probabilities,
2797 // reset them to the values we saved
2798
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 1146 if (!s->update_probabilities)
2799 64 s->prob[0] = s->prob[1];
2800
2801
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 1146 if (!s->invisible) {
2802
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✓ Branch 2 taken 1137 times.
 1137 if ((ret = av_frame_ref(rframe, curframe->tf.f)) < 0)
2803 ✗ return ret;
2804 1137 *got_frame = 1;
2805 }
2806
2807 1146 return avpkt->size;
2808 ✗ err:
2809 ✗ memcpy(&s->next_framep[0], &s->framep[0], sizeof(s->framep[0]) * 4);
2810 ✗ return ret;
2811 }
2812
2813 63 av_cold int ff_vp8_decode_free(AVCodecContext *avctx)
2814 {
2815 63 vp8_decode_flush_impl(avctx, 1);
2816
2817 63 return 0;
2818 }
2819
2820 63 static av_cold void vp78_decode_init(AVCodecContext *avctx)
2821 {
2822 63 VP8Context *s = avctx->priv_data;
2823
2824 63 s->avctx = avctx;
2825 63 s->pix_fmt = AV_PIX_FMT_NONE;
2826 63 avctx->pix_fmt = AV_PIX_FMT_YUV420P;
2827
2828 63 ff_videodsp_init(&s->vdsp, 8);
2829
2830 63 ff_vp78dsp_init(&s->vp8dsp);
2831
2832 /* does not change for VP8 */
2833 63 memcpy(s->prob[0].scan, ff_zigzag_scan, sizeof(s->prob[0].scan));
2834 63 }
2835
2836 #if CONFIG_VP8_DECODER
2837 15867 static int vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2838 int jobnr, int threadnr)
2839 {
2840 15867 return decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, 0);
2841 }
2842
2843 14793 static void vp8_filter_mb_row(AVCodecContext *avctx, void *tdata,
2844 int jobnr, int threadnr)
2845 {
2846 14793 filter_mb_row(avctx, tdata, jobnr, threadnr, 0);
2847 14793 }
2848
2849 1114 int ff_vp8_decode_frame(AVCodecContext *avctx, AVFrame *frame,
2850 int *got_frame, AVPacket *avpkt)
2851 {
2852 1114 return vp78_decode_frame(avctx, frame, got_frame, avpkt, IS_VP8);
2853 }
2854
2855 60 av_cold int ff_vp8_decode_init(AVCodecContext *avctx)
2856 {
2857 60 VP8Context *s = avctx->priv_data;
2858
2859 60 vp78_decode_init(avctx);
2860 60 ff_h264_pred_init(&s->hpc, AV_CODEC_ID_VP8, 8, 1);
2861 60 ff_vp8dsp_init(&s->vp8dsp);
2862 60 s->decode_mb_row_no_filter = vp8_decode_mb_row_no_filter;
2863 60 s->filter_mb_row = vp8_filter_mb_row;
2864
2865 60 return 0;
2866 }
2867
2868 #if HAVE_THREADS
2869 ✗ static void vp8_replace_frame(VP8Frame *dst, const VP8Frame *src)
2870 {
2871 ✗ ff_progress_frame_replace(&dst->tf, &src->tf);
2872 ✗ av_refstruct_replace(&dst->seg_map, src->seg_map);
2873 ✗ av_refstruct_replace(&dst->hwaccel_picture_private,
2874 ✗ src->hwaccel_picture_private);
2875 ✗ }
2876
2877 #define REBASE(pic) ((pic) ? (pic) - &s_src->frames[0] + &s->frames[0] : NULL)
2878
2879 ✗ static int vp8_decode_update_thread_context(AVCodecContext *dst,
2880 const AVCodecContext *src)
2881 {
2882 ✗ VP8Context *s = dst->priv_data, *s_src = src->priv_data;
2883
2884 ✗ if (s->macroblocks_base &&
2885 ✗ (s_src->mb_width != s->mb_width || s_src->mb_height != s->mb_height)) {
2886 ✗ free_buffers(s);
2887 ✗ s->mb_width = s_src->mb_width;
2888 ✗ s->mb_height = s_src->mb_height;
2889 }
2890
2891 ✗ s->pix_fmt = s_src->pix_fmt;
2892 ✗ s->prob[0] = s_src->prob[!s_src->update_probabilities];
2893 ✗ s->segmentation = s_src->segmentation;
2894 ✗ s->lf_delta = s_src->lf_delta;
2895 ✗ memcpy(s->sign_bias, s_src->sign_bias, sizeof(s->sign_bias));
2896
2897 ✗ for (int i = 0; i < FF_ARRAY_ELEMS(s_src->frames); i++)
2898 ✗ vp8_replace_frame(&s->frames[i], &s_src->frames[i]);
2899
2900 ✗ s->framep[0] = REBASE(s_src->next_framep[0]);
2901 ✗ s->framep[1] = REBASE(s_src->next_framep[1]);
2902 ✗ s->framep[2] = REBASE(s_src->next_framep[2]);
2903 ✗ s->framep[3] = REBASE(s_src->next_framep[3]);
2904
2905 ✗ return 0;
2906 }
2907 #endif /* HAVE_THREADS */
2908 #endif /* CONFIG_VP8_DECODER */
2909
2910 #if CONFIG_VP7_DECODER
2911 352 static int vp7_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2912 int jobnr, int threadnr)
2913 {
2914 352 return decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, 1);
2915 }
2916
2917 352 static void vp7_filter_mb_row(AVCodecContext *avctx, void *tdata,
2918 int jobnr, int threadnr)
2919 {
2920 352 filter_mb_row(avctx, tdata, jobnr, threadnr, 1);
2921 352 }
2922
2923 32 static int vp7_decode_frame(AVCodecContext *avctx, AVFrame *frame,
2924 int *got_frame, AVPacket *avpkt)
2925 {
2926 32 return vp78_decode_frame(avctx, frame, got_frame, avpkt, IS_VP7);
2927 }
2928
2929 3 av_cold static int vp7_decode_init(AVCodecContext *avctx)
2930 {
2931 3 VP8Context *s = avctx->priv_data;
2932
2933 3 vp78_decode_init(avctx);
2934 3 ff_h264_pred_init(&s->hpc, AV_CODEC_ID_VP7, 8, 1);
2935 3 ff_vp7dsp_init(&s->vp8dsp);
2936 3 s->decode_mb_row_no_filter = vp7_decode_mb_row_no_filter;
2937 3 s->filter_mb_row = vp7_filter_mb_row;
2938
2939 3 return 0;
2940 }
2941
2942 const FFCodec ff_vp7_decoder = {
2943 .p.name = "vp7",
2944 CODEC_LONG_NAME("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 .flush = vp8_decode_flush,
2953 .caps_internal = FF_CODEC_CAP_USES_PROGRESSFRAMES,
2954 };
2955 #endif /* CONFIG_VP7_DECODER */
2956
2957 #if CONFIG_VP8_DECODER
2958 const FFCodec ff_vp8_decoder = {
2959 .p.name = "vp8",
2960 CODEC_LONG_NAME("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_USES_PROGRESSFRAMES,
2970 .flush = vp8_decode_flush,
2971 UPDATE_THREAD_CONTEXT(vp8_decode_update_thread_context),
2972 .hw_configs = (const AVCodecHWConfigInternal *const []) {
2973 #if CONFIG_VP8_VAAPI_HWACCEL
2974 HWACCEL_VAAPI(vp8),
2975 #endif
2976 #if CONFIG_VP8_NVDEC_HWACCEL
2977 HWACCEL_NVDEC(vp8),
2978 #endif
2979 NULL
2980 },
2981 };
2982 #endif /* CONFIG_VP8_DECODER */
2983