FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/vp8.c
Date: 2025-07-01 21:35:40
Exec Total Coverage
Lines: 1372 1603 85.6%
Functions: 77 84 91.7%
Branches: 817 1159 70.5%
Line Branch Exec Source
1 /*
2 * VP7/VP8 compatible video decoder
3 *
4 * Copyright (C) 2010 David Conrad
5 * Copyright (C) 2010 Ronald S. Bultje
6 * Copyright (C) 2010 Fiona Glaser
7 * Copyright (C) 2012 Daniel Kang
8 * Copyright (C) 2014 Peter Ross
9 *
10 * This file is part of FFmpeg.
11 *
12 * FFmpeg is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
16 *
17 * FFmpeg is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with FFmpeg; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 */
26
27 #include "config_components.h"
28
29 #include "libavutil/mem.h"
30 #include "libavutil/mem_internal.h"
31
32 #include "avcodec.h"
33 #include "codec_internal.h"
34 #include "decode.h"
35 #include "hwaccel_internal.h"
36 #include "hwconfig.h"
37 #include "mathops.h"
38 #include "progressframe.h"
39 #include "libavutil/refstruct.h"
40 #include "thread.h"
41 #include "vp8.h"
42 #include "vp89_rac.h"
43 #include "vp8data.h"
44 #include "vpx_rac.h"
45
46 #if ARCH_ARM
47 # include "arm/vp8.h"
48 #endif
49
50 // fixme: add 1 bit to all the calls to this?
51 6129 static int vp8_rac_get_sint(VPXRangeCoder *c, int bits)
52 {
53 int v;
54
55
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 6129 if (!vp89_rac_get(c))
56 5381 return 0;
57
58 748 v = vp89_rac_get_uint(c, bits);
59
60
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 748 if (vp89_rac_get(c))
61 98 v = -v;
62
63 748 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 48365 static int vp8_rac_get_coeff(VPXRangeCoder *c, const uint8_t *prob)
74 {
75 48365 int v = 0;
76
77 do {
78 184324 v = (v<<1) + vpx_rac_get_prob(c, *prob++);
79
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 184324 } while (*prob);
80
81 48365 return v;
82 }
83
84 78 static void free_buffers(VP8Context *s)
85 {
86 int i;
87
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 78 if (s->thread_data)
88
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 351 for (i = 0; i < MAX_THREADS; i++) {
89 #if HAVE_THREADS
90 312 pthread_cond_destroy(&s->thread_data[i].cond);
91 312 pthread_mutex_destroy(&s->thread_data[i].lock);
92 #endif
93 312 av_freep(&s->thread_data[i].filter_strength);
94 }
95 78 av_freep(&s->thread_data);
96 78 av_freep(&s->macroblocks_base);
97 78 av_freep(&s->intra4x4_pred_mode_top);
98 78 av_freep(&s->top_nnz);
99 78 av_freep(&s->top_border);
100
101 78 s->macroblocks = NULL;
102 78 }
103
104 1148 static int vp8_alloc_frame(VP8Context *s, VP8Frame *f, int ref)
105 {
106 1148 int ret = ff_progress_frame_get_buffer(s->avctx, &f->tf,
107 ref ? AV_GET_BUFFER_FLAG_REF : 0);
108
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 1148 if (ret < 0)
109 ✗ return ret;
110 1148 f->seg_map = av_refstruct_allocz(s->mb_width * s->mb_height);
111
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 1148 if (!f->seg_map) {
112 ✗ ret = AVERROR(ENOMEM);
113 ✗ goto fail;
114 }
115 1148 ret = ff_hwaccel_frame_priv_alloc(s->avctx, &f->hwaccel_picture_private);
116
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 1148 if (ret < 0)
117 ✗ goto fail;
118
119 1148 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 1424 static void vp8_release_frame(VP8Frame *f)
128 {
129 1424 av_refstruct_unref(&f->seg_map);
130 1424 av_refstruct_unref(&f->hwaccel_picture_private);
131 1424 ff_progress_frame_unref(&f->tf);
132 1424 }
133
134 78 static av_cold void vp8_decode_flush_impl(AVCodecContext *avctx, int free_mem)
135 {
136 78 VP8Context *s = avctx->priv_data;
137 int i;
138
139
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 468 for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++)
140 390 vp8_release_frame(&s->frames[i]);
141 78 memset(s->framep, 0, sizeof(s->framep));
142
143
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 78 if (free_mem)
144 78 free_buffers(s);
145
146
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 78 if (FF_HW_HAS_CB(avctx, flush))
147 ✗ FF_HW_SIMPLE_CALL(avctx, flush);
148 78 }
149
150 ✗ static av_cold void vp8_decode_flush(AVCodecContext *avctx)
151 {
152 ✗ vp8_decode_flush_impl(avctx, 0);
153 ✗ }
154
155 1148 static VP8Frame *vp8_find_free_buffer(VP8Context *s)
156 {
157 1148 VP8Frame *frame = NULL;
158 int i;
159
160 // find a free buffer
161
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 2804 for (i = 0; i < 5; i++)
162
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 2804 if (&s->frames[i] != s->framep[VP8_FRAME_CURRENT] &&
163
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 2210 &s->frames[i] != s->framep[VP8_FRAME_PREVIOUS] &&
164
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 2209 &s->frames[i] != s->framep[VP8_FRAME_GOLDEN] &&
165
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 1606 &s->frames[i] != s->framep[VP8_FRAME_ALTREF]) {
166 1148 frame = &s->frames[i];
167 1148 break;
168 }
169
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 1148 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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 1148 if (frame->tf.f)
174 ✗ vp8_release_frame(frame);
175
176 1148 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 39 int update_dimensions(VP8Context *s, int width, int height, int is_vp7)
197 {
198 39 AVCodecContext *avctx = s->avctx;
199 39 int i, ret, dim_reset = 0;
200
201
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 39 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 15 vp8_decode_flush_impl(s->avctx, 1);
204
205 15 ret = ff_set_dimensions(s->avctx, width, height);
206
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 15 if (ret < 0)
207 ✗ return ret;
208
209 15 dim_reset = (s->macroblocks_base != NULL);
210 }
211
212
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 39 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 39 s->mb_width = (s->avctx->coded_width + 15) / 16;
221 39 s->mb_height = (s->avctx->coded_height + 15) / 16;
222
223
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 39 s->mb_layout = is_vp7 || avctx->active_thread_type == FF_THREAD_SLICE &&
224 ✗ avctx->thread_count > 1;
225
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 39 if (!s->mb_layout) { // Frame threading and one thread
226 38 s->macroblocks_base = av_mallocz((s->mb_width + s->mb_height * 2 + 1) *
227 sizeof(*s->macroblocks));
228 38 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 39 s->top_nnz = av_mallocz(s->mb_width * sizeof(*s->top_nnz));
233 39 s->top_border = av_mallocz((s->mb_width + 1) * sizeof(*s->top_border));
234 39 s->thread_data = av_mallocz(MAX_THREADS * sizeof(VP8ThreadData));
235
236
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 39 if (!s->macroblocks_base || !s->top_nnz || !s->top_border ||
237
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 39 !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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 351 for (i = 0; i < MAX_THREADS; i++) {
243 624 s->thread_data[i].filter_strength =
244 312 av_mallocz(s->mb_width * sizeof(*s->thread_data[0].filter_strength));
245
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 312 if (!s->thread_data[i].filter_strength) {
246 ✗ free_buffers(s);
247 ✗ return AVERROR(ENOMEM);
248 }
249 #if HAVE_THREADS
250 312 ret = pthread_mutex_init(&s->thread_data[i].lock, NULL);
251
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 312 if (ret) {
252 ✗ free_buffers(s);
253 ✗ return AVERROR(ret);
254 }
255 312 ret = pthread_cond_init(&s->thread_data[i].cond, NULL);
256
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 312 if (ret) {
257 ✗ free_buffers(s);
258 ✗ return AVERROR(ret);
259 }
260 #endif
261 }
262
263 39 s->macroblocks = s->macroblocks_base + 1;
264
265 39 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 38 static int vp8_update_dimensions(VP8Context *s, int width, int height)
274 {
275 38 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 44 static void update_lf_deltas(VP8Context *s)
302 {
303 44 VPXRangeCoder *c = &s->c;
304 int i;
305
306
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 220 for (i = 0; i < 4; i++) {
307
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 176 if (vp89_rac_get(c)) {
308 132 s->lf_delta.ref[i] = vp89_rac_get_uint(c, 6);
309
310
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 132 if (vp89_rac_get(c))
311 88 s->lf_delta.ref[i] = -s->lf_delta.ref[i];
312 }
313 }
314
315
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 220 for (i = MODE_I4x4; i <= VP8_MVMODE_SPLIT; i++) {
316
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 176 if (vp89_rac_get(c)) {
317 176 s->lf_delta.mode[i] = vp89_rac_get_uint(c, 6);
318
319
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 176 if (vp89_rac_get(c))
320 44 s->lf_delta.mode[i] = -s->lf_delta.mode[i];
321 }
322 }
323 44 }
324
325 1117 static int setup_partitions(VP8Context *s, const uint8_t *buf, int buf_size)
326 {
327 1117 const uint8_t *sizes = buf;
328 int i;
329 int ret;
330
331 1117 s->num_coeff_partitions = 1 << vp89_rac_get_uint(&s->c, 2);
332
333 1117 buf += 3 * (s->num_coeff_partitions - 1);
334 1117 buf_size -= 3 * (s->num_coeff_partitions - 1);
335
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 1117 if (buf_size < 0)
336 ✗ return -1;
337
338
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 1456 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 1117 s->coeff_partition_size[i] = buf_size;
352
353 1117 return ff_vpx_init_range_decoder(&s->coeff_partition[i], buf, buf_size);
354 }
355
356 31 static void vp7_get_quants(VP8Context *s)
357 {
358 31 VPXRangeCoder *c = &s->c;
359
360 31 int yac_qi = vp89_rac_get_uint(c, 7);
361
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 31 int ydc_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
362
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 31 int y2dc_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
363
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 31 int y2ac_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
364
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 31 int uvdc_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
365
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 31 int uvac_qi = vp89_rac_get(c) ? vp89_rac_get_uint(c, 7) : yac_qi;
366
367 31 s->qmat[0].luma_qmul[0] = vp7_ydc_qlookup[ydc_qi];
368 31 s->qmat[0].luma_qmul[1] = vp7_yac_qlookup[yac_qi];
369 31 s->qmat[0].luma_dc_qmul[0] = vp7_y2dc_qlookup[y2dc_qi];
370 31 s->qmat[0].luma_dc_qmul[1] = vp7_y2ac_qlookup[y2ac_qi];
371 31 s->qmat[0].chroma_qmul[0] = FFMIN(vp7_ydc_qlookup[uvdc_qi], 132);
372 31 s->qmat[0].chroma_qmul[1] = vp7_yac_qlookup[uvac_qi];
373 31 }
374
375 1117 static void vp8_get_quants(VP8Context *s)
376 {
377 1117 VPXRangeCoder *c = &s->c;
378 int i, base_qi;
379
380 1117 s->quant.yac_qi = vp89_rac_get_uint(c, 7);
381 1117 s->quant.ydc_delta = vp8_rac_get_sint(c, 4);
382 1117 s->quant.y2dc_delta = vp8_rac_get_sint(c, 4);
383 1117 s->quant.y2ac_delta = vp8_rac_get_sint(c, 4);
384 1117 s->quant.uvdc_delta = vp8_rac_get_sint(c, 4);
385 1117 s->quant.uvac_delta = vp8_rac_get_sint(c, 4);
386
387
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 5585 for (i = 0; i < 4; i++) {
388
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 4468 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 2736 base_qi = s->quant.yac_qi;
394
395 4468 s->qmat[i].luma_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + s->quant.ydc_delta, 7)];
396 4468 s->qmat[i].luma_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi, 7)];
397 4468 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 4468 s->qmat[i].luma_dc_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi + s->quant.y2ac_delta, 7)] * 101581 >> 16;
400 4468 s->qmat[i].chroma_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + s->quant.uvdc_delta, 7)];
401 4468 s->qmat[i].chroma_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi + s->quant.uvac_delta, 7)];
402
403 4468 s->qmat[i].luma_dc_qmul[1] = FFMAX(s->qmat[i].luma_dc_qmul[1], 8);
404 4468 s->qmat[i].chroma_qmul[0] = FFMIN(s->qmat[i].chroma_qmul[0], 132);
405 }
406 1117 }
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 2134 static VP8FrameType ref_to_update(VP8Context *s, int update, VP8FrameType ref)
422 {
423 2134 VPXRangeCoder *c = &s->c;
424
425
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 2134 if (update)
426 90 return VP8_FRAME_CURRENT;
427
428
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 2044 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 1929 return VP8_FRAME_NONE;
435 }
436
437 51 static void vp78_reset_probability_tables(VP8Context *s)
438 {
439 int i, j;
440
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441
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442 3264 memcpy(s->prob->token[i][j], vp8_token_default_probs[i][vp8_coeff_band[j]],
443 sizeof(s->prob->token[i][j]));
444 51 }
445
446 1148 static void vp78_update_probability_tables(VP8Context *s)
447 {
448 1148 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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 1322496 for (l = 0; l < NUM_DCT_TOKENS-1; l++)
455
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 1212288 if (vpx_rac_get_prob_branchy(c, ff_vp8_token_update_probs[i][j][k][l])) {
456 7623 int prob = vp89_rac_get_uint(c, 8);
457
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 25286 for (m = 0; vp8_coeff_band_indexes[j][m] >= 0; m++)
458 17663 s->prob->token[i][vp8_coeff_band_indexes[j][m]][k][l] = prob;
459 }
460 1148 }
461
462 #define VP7_MVC_SIZE 17
463 #define VP8_MVC_SIZE 19
464
465 1097 static void vp78_update_pred16x16_pred8x8_mvc_probabilities(VP8Context *s,
466 int mvc_size)
467 {
468 1097 VPXRangeCoder *c = &s->c;
469 int i, j;
470
471
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 1097 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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 1097 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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 41566 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 1097 }
484
485 1067 static void update_refs(VP8Context *s)
486 {
487 1067 VPXRangeCoder *c = &s->c;
488
489 1067 int update_golden = vp89_rac_get(c);
490 1067 int update_altref = vp89_rac_get(c);
491
492 1067 s->update_golden = ref_to_update(s, update_golden, VP8_FRAME_GOLDEN);
493 1067 s->update_altref = ref_to_update(s, update_altref, VP8_FRAME_ALTREF);
494 1067 }
495
496 ✗ static void copy_chroma(AVFrame *dst, const AVFrame *src, int width, int height)
497 {
498 int i, j;
499
500 ✗ for (j = 1; j < 3; j++) {
501 ✗ for (i = 0; i < height / 2; i++)
502 ✗ memcpy(dst->data[j] + i * dst->linesize[j],
503 ✗ src->data[j] + i * src->linesize[j], width / 2);
504 }
505 ✗ }
506
507 ✗ static void fade(uint8_t *dst, ptrdiff_t dst_linesize,
508 const uint8_t *src, ptrdiff_t src_linesize,
509 int width, int height,
510 int alpha, int beta)
511 {
512 int i, j;
513 ✗ for (j = 0; j < height; j++) {
514 ✗ const uint8_t *src2 = src + j * src_linesize;
515 ✗ uint8_t *dst2 = dst + j * dst_linesize;
516 ✗ for (i = 0; i < width; i++) {
517 ✗ uint8_t y = src2[i];
518 ✗ dst2[i] = av_clip_uint8(y + ((y * beta) >> 8) + alpha);
519 }
520 }
521 ✗ }
522
523 31 static int vp7_fade_frame(VP8Context *s, int alpha, int beta)
524 {
525 int ret;
526
527
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 31 if (!s->keyframe && (alpha || beta)) {
528 ✗ int width = s->mb_width * 16;
529 ✗ int height = s->mb_height * 16;
530 const AVFrame *src;
531 AVFrame *dst;
532
533 ✗ if (!s->framep[VP8_FRAME_PREVIOUS] ||
534 ✗ !s->framep[VP8_FRAME_GOLDEN]) {
535 ✗ av_log(s->avctx, AV_LOG_WARNING, "Discarding interframe without a prior keyframe!\n");
536 ✗ return AVERROR_INVALIDDATA;
537 }
538
539 ✗ src =
540 ✗ dst = s->framep[VP8_FRAME_PREVIOUS]->tf.f;
541
542 /* preserve the golden frame, write a new previous frame */
543 ✗ if (s->framep[VP8_FRAME_GOLDEN] == s->framep[VP8_FRAME_PREVIOUS]) {
544 ✗ 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 31 return 0;
562 }
563
564 31 static int vp7_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
565 {
566 31 VPXRangeCoder *c = &s->c;
567 int part1_size, hscale, vscale, i, j, ret;
568 31 int width = s->avctx->width;
569 31 int height = s->avctx->height;
570 31 int alpha = 0;
571 31 int beta = 0;
572 31 int fade_present = 1;
573
574
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 31 if (buf_size < 4) {
575 ✗ return AVERROR_INVALIDDATA;
576 }
577
578 31 s->profile = (buf[0] >> 1) & 7;
579
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 31 if (s->profile > 1) {
580 ✗ avpriv_request_sample(s->avctx, "Unknown profile %d", s->profile);
581 ✗ return AVERROR_INVALIDDATA;
582 }
583
584 31 s->keyframe = !(buf[0] & 1);
585 31 s->invisible = 0;
586 31 part1_size = AV_RL24(buf) >> 4;
587
588
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 31 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 31 buf += 4 - s->profile;
594 31 buf_size -= 4 - s->profile;
595
596 31 memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_epel_pixels_tab, sizeof(s->put_pixels_tab));
597
598 31 ret = ff_vpx_init_range_decoder(c, buf, part1_size);
599
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 31 if (ret < 0)
600 ✗ return ret;
601 31 buf += part1_size;
602 31 buf_size -= part1_size;
603
604 /* A. Dimension information (keyframes only) */
605
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 31 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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 31 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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 155 for (i = 0; i < 4; i++) {
632 124 s->feature_enabled[i] = vp89_rac_get(c);
633
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 124 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 31 s->segmentation.enabled = 0;
648 31 s->segmentation.update_map = 0;
649 31 s->lf_delta.enabled = 0;
650
651 31 s->num_coeff_partitions = 1;
652 31 ret = ff_vpx_init_range_decoder(&s->coeff_partition[0], buf, buf_size);
653
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 31 if (ret < 0)
654 ✗ return ret;
655
656
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 31 if (!s->macroblocks_base || /* first frame */
657
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 30 width != s->avctx->width || height != s->avctx->height ||
658
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 30 (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 31 vp7_get_quants(s);
665
666 /* D. Golden frame update flag (a Flag) for interframes only */
667
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 31 if (!s->keyframe) {
668
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 30 s->update_golden = vp89_rac_get(c) ? VP8_FRAME_CURRENT : VP8_FRAME_NONE;
669 30 s->sign_bias[VP8_FRAME_GOLDEN] = 0;
670 }
671
672 31 s->update_last = 1;
673 31 s->update_probabilities = 1;
674
675
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 31 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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 31 if (vpx_rac_is_end(c))
685 ✗ return AVERROR_INVALIDDATA;
686 /* E. Fading information for previous frame */
687
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 31 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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 31 if (!s->profile)
694 31 s->filter.simple = vp89_rac_get(c);
695
696 /* G. DCT coefficient ordering specification */
697
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 31 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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 31 if (s->profile > 0)
703 ✗ s->filter.simple = vp89_rac_get(c);
704 31 s->filter.level = vp89_rac_get_uint(c, 6);
705 31 s->filter.sharpness = vp89_rac_get_uint(c, 3);
706
707 /* I. DCT coefficient probability update; 13.3 Token Probability Updates */
708 31 vp78_update_probability_tables(s);
709
710 31 s->mbskip_enabled = 0;
711
712 /* J. The remaining frame header data occurs ONLY FOR INTERFRAMES */
713
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 31 if (!s->keyframe) {
714 30 s->prob->intra = vp89_rac_get_uint(c, 8);
715 30 s->prob->last = vp89_rac_get_uint(c, 8);
716 30 vp78_update_pred16x16_pred8x8_mvc_probabilities(s, VP7_MVC_SIZE);
717 }
718
719
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 31 if (vpx_rac_is_end(c))
720 ✗ return AVERROR_INVALIDDATA;
721
722
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 31 if ((ret = vp7_fade_frame(s, alpha, beta)) < 0)
723 ✗ return ret;
724
725 31 return 0;
726 }
727
728 1117 static int vp8_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
729 {
730 1117 VPXRangeCoder *c = &s->c;
731 int header_size, hscale, vscale, ret;
732 1117 int width = s->avctx->width;
733 1117 int height = s->avctx->height;
734
735
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 1117 if (buf_size < 3) {
736 ✗ av_log(s->avctx, AV_LOG_ERROR, "Insufficent data (%d) for header\n", buf_size);
737 ✗ return AVERROR_INVALIDDATA;
738 }
739
740 1117 s->keyframe = !(buf[0] & 1);
741 1117 s->profile = (buf[0]>>1) & 7;
742 1117 s->invisible = !(buf[0] & 0x10);
743 1117 header_size = AV_RL24(buf) >> 5;
744 1117 buf += 3;
745 1117 buf_size -= 3;
746
747 1117 s->header_partition_size = header_size;
748
749
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 1117 if (s->profile > 3)
750 ✗ av_log(s->avctx, AV_LOG_WARNING, "Unknown profile %d\n", s->profile);
751
752
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 1117 if (!s->profile)
753 961 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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 1117 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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 1117 if (s->keyframe) {
765
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 50 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 50 width = AV_RL16(buf + 3) & 0x3fff;
771 50 height = AV_RL16(buf + 5) & 0x3fff;
772 50 hscale = buf[4] >> 6;
773 50 vscale = buf[6] >> 6;
774 50 buf += 7;
775 50 buf_size -= 7;
776
777
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 50 if (hscale || vscale)
778 ✗ avpriv_request_sample(s->avctx, "Upscaling");
779
780 50 s->update_golden = s->update_altref = VP8_FRAME_CURRENT;
781 50 vp78_reset_probability_tables(s);
782 50 memcpy(s->prob->pred16x16, vp8_pred16x16_prob_inter,
783 sizeof(s->prob->pred16x16));
784 50 memcpy(s->prob->pred8x8c, vp8_pred8x8c_prob_inter,
785 sizeof(s->prob->pred8x8c));
786 50 memcpy(s->prob->mvc, vp8_mv_default_prob,
787 sizeof(s->prob->mvc));
788 50 memset(&s->segmentation, 0, sizeof(s->segmentation));
789 50 memset(&s->lf_delta, 0, sizeof(s->lf_delta));
790 }
791
792 1117 ret = ff_vpx_init_range_decoder(c, buf, header_size);
793
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 1117 if (ret < 0)
794 ✗ return ret;
795 1117 buf += header_size;
796 1117 buf_size -= header_size;
797
798
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 1117 if (s->keyframe) {
799 50 s->colorspace = vp89_rac_get(c);
800
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 50 if (s->colorspace)
801 ✗ av_log(s->avctx, AV_LOG_WARNING, "Unspecified colorspace\n");
802 50 s->fullrange = vp89_rac_get(c);
803 }
804
805
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 1117 if ((s->segmentation.enabled = vp89_rac_get(c)))
806 433 parse_segment_info(s);
807 else
808 684 s->segmentation.update_map = 0; // FIXME: move this to some init function?
809
810 1117 s->filter.simple = vp89_rac_get(c);
811 1117 s->filter.level = vp89_rac_get_uint(c, 6);
812 1117 s->filter.sharpness = vp89_rac_get_uint(c, 3);
813
814
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 1117 if ((s->lf_delta.enabled = vp89_rac_get(c))) {
815 1111 s->lf_delta.update = vp89_rac_get(c);
816
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 1111 if (s->lf_delta.update)
817 44 update_lf_deltas(s);
818 }
819
820
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 1117 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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 1117 if (!s->macroblocks_base || /* first frame */
826
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 1090 width != s->avctx->width || height != s->avctx->height ||
827
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 1079 (width+15)/16 != s->mb_width || (height+15)/16 != s->mb_height)
828
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 38 if ((ret = vp8_update_dimensions(s, width, height)) < 0)
829 ✗ return ret;
830
831 1117 vp8_get_quants(s);
832
833
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 1117 if (!s->keyframe) {
834 1067 update_refs(s);
835 1067 s->sign_bias[VP8_FRAME_GOLDEN] = vp89_rac_get(c);
836 1067 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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 1117 if (!(s->update_probabilities = vp89_rac_get(c)))
842 64 s->prob[1] = s->prob[0];
843
844
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 1117 s->update_last = s->keyframe || vp89_rac_get(c);
845
846 1117 vp78_update_probability_tables(s);
847
848
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 1117 if ((s->mbskip_enabled = vp89_rac_get(c)))
849 1111 s->prob->mbskip = vp89_rac_get_uint(c, 8);
850
851
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 1117 if (!s->keyframe) {
852 1067 s->prob->intra = vp89_rac_get_uint(c, 8);
853 1067 s->prob->last = vp89_rac_get_uint(c, 8);
854 1067 s->prob->golden = vp89_rac_get_uint(c, 8);
855 1067 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 1117 s->c.code_word = vpx_rac_renorm(&s->c);
860 1117 s->coder_state_at_header_end.input = s->c.buffer - (-s->c.bits / 8);
861 1117 s->coder_state_at_header_end.range = s->c.high;
862 1117 s->coder_state_at_header_end.value = s->c.code_word >> 16;
863 1117 s->coder_state_at_header_end.bit_count = -s->c.bits % 8;
864
865 1117 return 0;
866 }
867
868 static av_always_inline
869 57182 void clamp_mv(const VP8mvbounds *s, VP8mv *dst, const VP8mv *src)
870 {
871 57182 dst->x = av_clip(src->x, av_clip(s->mv_min.x, INT16_MIN, INT16_MAX),
872 57182 av_clip(s->mv_max.x, INT16_MIN, INT16_MAX));
873 57182 dst->y = av_clip(src->y, av_clip(s->mv_min.y, INT16_MIN, INT16_MAX),
874 57182 av_clip(s->mv_max.y, INT16_MIN, INT16_MAX));
875 57182 }
876
877 /**
878 * Motion vector coding, 17.1.
879 */
880 84910 static av_always_inline int read_mv_component(VPXRangeCoder *c, const uint8_t *p, int vp7)
881 {
882 84910 int bit, x = 0;
883
884
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 84910 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 64944 const uint8_t *ps = p + 2;
896 64944 bit = vpx_rac_get_prob(c, *ps);
897 64944 ps += 1 + 3 * bit;
898 64944 x += 4 * bit;
899 64944 bit = vpx_rac_get_prob(c, *ps);
900 64944 ps += 1 + bit;
901 64944 x += 2 * bit;
902 64944 x += vpx_rac_get_prob(c, *ps);
903 }
904
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 84910 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 28394 static int vp8_read_mv_component(VPXRangeCoder *c, const uint8_t *p)
914 {
915 28394 return read_mv_component(c, p, 0);
916 }
917
918 static av_always_inline
919 136610 const uint8_t *get_submv_prob(uint32_t left, uint32_t top, int is_vp7)
920 {
921
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 136610 if (is_vp7)
922 ✗ return vp7_submv_prob;
923
924
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 136610 if (left == top)
925
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 58719 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 18330 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 18330 const VP8Macroblock *left_mb = &mb[-1];
943 18330 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 18330 const VP8mv *left_mv = left_mb->bmv;
947 18330 const VP8mv *cur_mv = mb->bmv;
948
949
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 18330 if (!layout) // layout is inlined, s->mb_layout is not
950 18330 top_mb = &mb[2];
951 else
952 ✗ top_mb = &mb[-s->mb_width - 1];
953 18330 mbsplits_top = vp8_mbsplits[top_mb->partitioning];
954 18330 top_mv = top_mb->bmv;
955
956
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 18330 if (vpx_rac_get_prob_branchy(c, vp8_mbsplit_prob[0])) {
957
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 11715 if (vpx_rac_get_prob_branchy(c, vp8_mbsplit_prob[1]))
958 8045 part_idx = VP8_SPLITMVMODE_16x8 + vpx_rac_get_prob(c, vp8_mbsplit_prob[2]);
959 else
960 3670 part_idx = VP8_SPLITMVMODE_8x8;
961 } else {
962 6615 part_idx = VP8_SPLITMVMODE_4x4;
963 }
964
965 18330 num = vp8_mbsplit_count[part_idx];
966 18330 mbsplits_cur = vp8_mbsplits[part_idx],
967 18330 firstidx = vp8_mbfirstidx[part_idx];
968 18330 mb->partitioning = part_idx;
969
970
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 154940 for (n = 0; n < num; n++) {
971 136610 int k = firstidx[n];
972 uint32_t left, above;
973 const uint8_t *submv_prob;
974
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 136610 if (!(k & 3))
976 46755 left = AV_RN32A(&left_mv[mbsplits_left[k + 3]]);
977 else
978 89855 left = AV_RN32A(&cur_mv[mbsplits_cur[k - 1]]);
979
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 136610 if (k <= 3)
980 44980 above = AV_RN32A(&top_mv[mbsplits_top[k + 12]]);
981 else
982 91630 above = AV_RN32A(&cur_mv[mbsplits_cur[k - 4]]);
983
984 136610 submv_prob = get_submv_prob(left, above, is_vp7);
985
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 136610 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 85993 AV_WN32A(&mb->bmv[n], left);
1001 }
1002 }
1003
1004 18330 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 79200 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 79200 int vwidth = mb_width + 1;
1023 79200 int new = (mb_y + yoffset) * vwidth + mb_x + xoffset;
1024
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 79200 if (new < boundary || new % vwidth == vwidth - 1)
1025 12270 return 0;
1026 66930 *edge_y = new / vwidth;
1027 66930 *edge_x = new % vwidth;
1028 66930 return 1;
1029 }
1030
1031 66930 static const VP8mv *get_bmv_ptr(const VP8Macroblock *mb, int subblock)
1032 {
1033
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 66930 return &mb->bmv[mb->mode == VP8_MVMODE_SPLIT ? vp8_mbsplits[mb->partitioning][subblock] : 0];
1034 }
1035
1036 static av_always_inline
1037 6600 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 6600 int idx = CNT_ZERO;
1043 VP8mv near_mv[3];
1044 6600 uint8_t cnt[3] = { 0 };
1045 6600 VPXRangeCoder *c = &s->c;
1046 int i;
1047
1048 6600 AV_ZERO32(&near_mv[0]);
1049 6600 AV_ZERO32(&near_mv[1]);
1050 6600 AV_ZERO32(&near_mv[2]);
1051
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 85800 for (i = 0; i < VP7_MV_PRED_COUNT; i++) {
1053 79200 const VP7MVPred * pred = &vp7_mv_pred[i];
1054 int edge_x, edge_y;
1055
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 79200 if (vp7_calculate_mb_offset(mb_x, mb_y, s->mb_width, pred->xoffset,
1057 79200 pred->yoffset, !s->profile, &edge_x, &edge_y)) {
1058
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 66930 const VP8Macroblock *edge = (s->mb_layout == 1)
1059 66930 ? s->macroblocks_base + 1 + edge_x +
1060 66930 (s->mb_width + 1) * (edge_y + 1)
1061 ✗ : s->macroblocks + edge_x +
1062 ✗ (s->mb_height - edge_y - 1) * 2;
1063 66930 uint32_t mv = AV_RN32A(get_bmv_ptr(edge, vp7_mv_pred[i].subblock));
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 66930 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 66930 idx = CNT_ZERO;
1082 }
1083 } else {
1084 12270 idx = CNT_ZERO;
1085 }
1086 79200 cnt[idx] += vp7_mv_pred[i].score;
1087 }
1088
1089 6600 mb->partitioning = VP8_SPLITMVMODE_NONE;
1090
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 6600 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 6600 mb->mode = VP8_MVMODE_ZERO;
1121 6600 AV_ZERO32(&mb->mv);
1122 6600 mb->bmv[0] = mb->mv;
1123 }
1124 6600 }
1125
1126 static av_always_inline
1127 379762 void vp8_decode_mvs(VP8Context *s, const VP8mvbounds *mv_bounds, VP8Macroblock *mb,
1128 int mb_x, int mb_y, int layout)
1129 {
1130 379762 VP8Macroblock *mb_edge[3] = { 0 /* top */,
1131 379762 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 379762 int idx = CNT_ZERO;
1136 379762 int cur_sign_bias = s->sign_bias[mb->ref_frame];
1137 379762 const int8_t *sign_bias = s->sign_bias;
1138 VP8mv near_mv[4];
1139 379762 uint8_t cnt[4] = { 0 };
1140 379762 VPXRangeCoder *c = &s->c;
1141
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 379762 if (!layout) { // layout is inlined (s->mb_layout is not)
1143 379762 mb_edge[0] = mb + 2;
1144 379762 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 379762 AV_ZERO32(&near_mv[0]);
1151 379762 AV_ZERO32(&near_mv[1]);
1152 379762 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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 379762 MV_EDGE_CHECK(0)
1177
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 379762 MV_EDGE_CHECK(1)
1178
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 379762 MV_EDGE_CHECK(2)
1179
1180 379762 mb->partitioning = VP8_SPLITMVMODE_NONE;
1181
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 379762 if (vpx_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_ZERO]][0])) {
1182 57182 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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 57182 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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 57182 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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 57182 if (vpx_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAREST]][1])) {
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 37615 if (vpx_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAR]][2])) {
1197 /* Choose the best mv out of 0,0 and the nearest mv */
1198 32527 clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_ZERO + (cnt[CNT_NEAREST] >= cnt[CNT_ZERO])]);
1199 32527 cnt[CNT_SPLITMV] = ((mb_edge[VP8_EDGE_LEFT]->mode == VP8_MVMODE_SPLIT) +
1200 32527 (mb_edge[VP8_EDGE_TOP]->mode == VP8_MVMODE_SPLIT)) * 2 +
1201 32527 (mb_edge[VP8_EDGE_TOPLEFT]->mode == VP8_MVMODE_SPLIT);
1202
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 32527 if (vpx_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_SPLITMV]][3])) {
1204 18330 mb->mode = VP8_MVMODE_SPLIT;
1205 18330 mb->mv = mb->bmv[decode_splitmvs(s, c, mb, layout, IS_VP8) - 1];
1206 } else {
1207 14197 mb->mv.y += vp8_read_mv_component(c, s->prob->mvc[0]);
1208 14197 mb->mv.x += vp8_read_mv_component(c, s->prob->mvc[1]);
1209 14197 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 322580 mb->mode = VP8_MVMODE_ZERO;
1221 322580 AV_ZERO32(&mb->mv);
1222 322580 mb->bmv[0] = mb->mv;
1223 }
1224 379762 }
1225
1226 static av_always_inline
1227 17837 void decode_intra4x4_modes(VP8Context *s, VPXRangeCoder *c, VP8Macroblock *mb,
1228 int mb_x, int keyframe, int layout)
1229 {
1230 17837 uint8_t *intra4x4 = mb->intra4x4_pred_mode_mb;
1231
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 17837 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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 17837 if (keyframe) {
1237 int x, y;
1238 uint8_t *top;
1239 10952 uint8_t *const left = s->intra4x4_pred_mode_left;
1240
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 10952 if (layout)
1241 33 top = mb->intra4x4_pred_mode_top;
1242 else
1243 10919 top = s->intra4x4_pred_mode_top + 4 * mb_x;
1244
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 54760 for (y = 0; y < 4; y++) {
1245
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 219040 for (x = 0; x < 4; x++) {
1246 const uint8_t *ctx;
1247 175232 ctx = vp8_pred4x4_prob_intra[top[x]][left[y]];
1248 175232 *intra4x4 = vp89_rac_get_tree(c, vp8_pred4x4_tree, ctx);
1249 175232 left[y] = top[x] = *intra4x4;
1250 175232 intra4x4++;
1251 }
1252 }
1253 } else {
1254 int i;
1255
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 117045 for (i = 0; i < 16; i++)
1256 110160 intra4x4[i] = vp89_rac_get_tree(c, vp8_pred4x4_tree,
1257 vp8_pred4x4_prob_inter);
1258 }
1259 17837 }
1260
1261 static av_always_inline
1262 444149 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 444149 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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 444149 if (is_vp7) {
1272 int i;
1273 6820 *segment = 0;
1274
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 34100 for (i = 0; i < 4; i++) {
1275
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 27280 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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 437329 } 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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 429040 } else if (s->segmentation.enabled)
1289
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 94425 *segment = ref ? *ref : *segment;
1290 444149 mb->segment = *segment;
1291
1292
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 444149 mb->skip = s->mbskip_enabled ? vpx_rac_get_prob(c, s->prob->mbskip) : 0;
1293
1294
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 444149 if (s->keyframe) {
1295 33192 mb->mode = vp89_rac_get_tree(c, vp8_pred16x16_tree_intra,
1296 vp8_pred16x16_prob_intra);
1297
1298
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 33192 if (mb->mode == MODE_I4x4) {
1299 10952 decode_intra4x4_modes(s, c, mb, mb_x, 1, layout);
1300 } else {
1301 22240 const uint32_t modes = (is_vp7 ? vp7_pred4x4_mode
1302
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 22240 : vp8_pred4x4_mode)[mb->mode] * 0x01010101u;
1303
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 22240 if (s->mb_layout)
1304 187 AV_WN32A(mb->intra4x4_pred_mode_top, modes);
1305 else
1306 22053 AV_WN32A(s->intra4x4_pred_mode_top + 4 * mb_x, modes);
1307 22240 AV_WN32A(s->intra4x4_pred_mode_left, modes);
1308 }
1309
1310 33192 mb->chroma_pred_mode = vp89_rac_get_tree(c, vp8_pred8x8c_tree,
1311 vp8_pred8x8c_prob_intra);
1312 33192 mb->ref_frame = VP8_FRAME_CURRENT;
1313
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 410957 } else if (vpx_rac_get_prob_branchy(c, s->prob->intra)) {
1314 // inter MB, 16.2
1315
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 386362 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 369082 mb->ref_frame = VP8_FRAME_PREVIOUS;
1321 386362 s->ref_count[mb->ref_frame - 1]++;
1322
1323 // motion vectors, 16.3
1324
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 386362 if (is_vp7)
1325 6600 vp7_decode_mvs(s, mb, mb_x, mb_y, layout);
1326 else
1327 379762 vp8_decode_mvs(s, mv_bounds, mb, mb_x, mb_y, layout);
1328 } else {
1329 // intra MB, 16.1
1330 49190 mb->mode = vp89_rac_get_tree(c, vp8_pred16x16_tree_inter,
1331 24595 s->prob->pred16x16);
1332
1333
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 24595 if (mb->mode == MODE_I4x4)
1334 6885 decode_intra4x4_modes(s, c, mb, mb_x, 0, layout);
1335
1336 49190 mb->chroma_pred_mode = vp89_rac_get_tree(c, vp8_pred8x8c_tree,
1337 24595 s->prob->pred8x8c);
1338 24595 mb->ref_frame = VP8_FRAME_CURRENT;
1339 24595 mb->partitioning = VP8_SPLITMVMODE_NONE;
1340 24595 AV_ZERO32(&mb->bmv[0]);
1341 }
1342 444149 }
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 395774 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 395774 VPXRangeCoder c = *r;
1361 395774 goto skip_eob;
1362 do {
1363 int coeff;
1364 1116039 restart:
1365
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 1118158 if (!vpx_rac_get_prob_branchy(&c, token_prob[0])) // DCT_EOB
1366 375603 break;
1367
1368 1583650 skip_eob:
1369
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 1979424 if (!vpx_rac_get_prob_branchy(&c, token_prob[1])) { // DCT_0
1370
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 843214 if (++i == 16)
1371 ✗ break; // invalid input; blocks should end with EOB
1372 843214 token_prob = probs[i][0];
1373
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 843214 if (vp7)
1374 2119 goto restart;
1375 841095 goto skip_eob;
1376 }
1377
1378
2/2
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✓ Branch 2 taken 412562 times.
 1136210 if (!vpx_rac_get_prob_branchy(&c, token_prob[2])) { // DCT_1
1379 723648 coeff = 1;
1380 723648 token_prob = probs[i + 1][1];
1381 } else {
1382
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 412562 if (!vpx_rac_get_prob_branchy(&c, token_prob[3])) { // DCT 2,3,4
1383 277791 coeff = vpx_rac_get_prob_branchy(&c, token_prob[4]);
1384
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 277791 if (coeff)
1385 115298 coeff += vpx_rac_get_prob(&c, token_prob[5]);
1386 277791 coeff += 2;
1387 } else {
1388 // DCT_CAT*
1389
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 134771 if (!vpx_rac_get_prob_branchy(&c, token_prob[6])) {
1390
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 86406 if (!vpx_rac_get_prob_branchy(&c, token_prob[7])) { // DCT_CAT1
1391 46497 coeff = 5 + vpx_rac_get_prob(&c, vp8_dct_cat1_prob[0]);
1392 } else { // DCT_CAT2
1393 39909 coeff = 7;
1394 39909 coeff += vpx_rac_get_prob(&c, vp8_dct_cat2_prob[0]) << 1;
1395 39909 coeff += vpx_rac_get_prob(&c, vp8_dct_cat2_prob[1]);
1396 }
1397 } else { // DCT_CAT3 and up
1398 48365 int a = vpx_rac_get_prob(&c, token_prob[8]);
1399 48365 int b = vpx_rac_get_prob(&c, token_prob[9 + a]);
1400 48365 int cat = (a << 1) + b;
1401 48365 coeff = 3 + (8 << cat);
1402 48365 coeff += vp8_rac_get_coeff(&c, ff_vp8_dct_cat_prob[cat]);
1403 }
1404 }
1405 412562 token_prob = probs[i + 1][2];
1406 }
1407
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 1136210 block[scan[i]] = (vp89_rac_get(&c) ? -coeff : coeff) * qmul[!!i];
1408
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 1136210 } while (++i < 16);
1409
1410 395774 *r = c;
1411 395774 return i;
1412 }
1413
1414 static av_always_inline
1415 6600 int inter_predict_dc(int16_t block[16], int16_t pred[2])
1416 {
1417 6600 int16_t dc = block[0];
1418 6600 int ret = 0;
1419
1420
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 6600 if (pred[1] > 3) {
1421 ✗ dc += pred[0];
1422 ✗ ret = 1;
1423 }
1424
1425
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 6600 if (!pred[0] | !dc | ((int32_t)pred[0] ^ (int32_t)dc) >> 31) {
1426 6600 block[0] = pred[0] = dc;
1427 6600 pred[1] = 0;
1428 } else {
1429 ✗ if (pred[0] == dc)
1430 ✗ pred[1]++;
1431 ✗ block[0] = pred[0] = dc;
1432 }
1433
1434 6600 return ret;
1435 }
1436
1437 735 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 735 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 395039 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 395039 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 2070270 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 2070270 const uint8_t *token_prob = probs[i][zero_nhood];
1480
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 2070270 if (!vpx_rac_get_prob_branchy(c, token_prob[0])) // DCT_EOB
1481 1674496 return 0;
1482 735 return vp7 ? vp7_decode_block_coeffs_internal(c, block, probs, i,
1483 token_prob, qmul, scan)
1484
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 396509 : vp8_decode_block_coeffs_internal(c, block, probs, i,
1485 token_prob, qmul);
1486 }
1487
1488 static av_always_inline
1489 84108 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 84108 int i, x, y, luma_start = 0, luma_ctx = 3;
1494 84108 int nnz_pred, nnz, nnz_total = 0;
1495 84108 int segment = mb->segment;
1496 84108 int block_dc = 0;
1497
1498
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 84108 if (mb->mode != MODE_I4x4 && (is_vp7 || mb->mode != VP8_MVMODE_SPLIT)) {
1499 51678 nnz_pred = t_nnz[8] + l_nnz[8];
1500
1501 // decode DC values and do hadamard
1502 51678 nnz = decode_block_coeffs(c, td->block_dc, s->prob->token[1], 0,
1503 51678 nnz_pred, s->qmat[segment].luma_dc_qmul,
1504 ff_zigzag_scan, is_vp7);
1505 51678 l_nnz[8] = t_nnz[8] = !!nnz;
1506
1507
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 51678 if (is_vp7 && mb->mode > MODE_I4x4) {
1508 6600 nnz |= inter_predict_dc(td->block_dc,
1509 6600 s->inter_dc_pred[mb->ref_frame - 1]);
1510 }
1511
1512
2/2
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 51678 if (nnz) {
1513 35155 nnz_total += nnz;
1514 35155 block_dc = 1;
1515
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 35155 if (nnz == 1)
1516 10443 s->vp8dsp.vp8_luma_dc_wht_dc(td->block, td->block_dc);
1517 else
1518 24712 s->vp8dsp.vp8_luma_dc_wht(td->block, td->block_dc);
1519 }
1520 51678 luma_start = 1;
1521 51678 luma_ctx = 0;
1522 }
1523
1524 // luma blocks
1525
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 420540 for (y = 0; y < 4; y++)
1526
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 1682160 for (x = 0; x < 4; x++) {
1527 1345728 nnz_pred = l_nnz[y] + t_nnz[x];
1528 1345728 nnz = decode_block_coeffs(c, td->block[y][x],
1529 1345728 s->prob->token[luma_ctx],
1530 luma_start, nnz_pred,
1531 1345728 s->qmat[segment].luma_qmul,
1532 1345728 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 1345728 td->non_zero_count_cache[y][x] = nnz + block_dc;
1536 1345728 t_nnz[x] = l_nnz[y] = !!nnz;
1537 1345728 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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 252324 for (i = 4; i < 6; i++)
1544
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 504648 for (y = 0; y < 2; y++)
1545
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 1009296 for (x = 0; x < 2; x++) {
1546 672864 nnz_pred = l_nnz[i + 2 * y] + t_nnz[i + 2 * x];
1547 672864 nnz = decode_block_coeffs(c, td->block[i][(y << 1) + x],
1548 672864 s->prob->token[2], 0, nnz_pred,
1549 672864 s->qmat[segment].chroma_qmul,
1550 672864 s->prob[0].scan, is_vp7);
1551 672864 td->non_zero_count_cache[i][(y << 1) + x] = nnz;
1552 672864 t_nnz[i + 2 * x] = l_nnz[i + 2 * y] = !!nnz;
1553 672864 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
2/2
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 84108 if (!nnz_total)
1560 6676 mb->skip = 1;
1561 84108 }
1562
1563 static av_always_inline
1564 424849 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 424849 AV_COPY128(top_border, src_y + 15 * linesize);
1569
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 424849 if (!simple) {
1570 417127 AV_COPY64(top_border + 16, src_cb + 7 * uvlinesize);
1571 417127 AV_COPY64(top_border + 24, src_cr + 7 * uvlinesize);
1572 }
1573 424849 }
1574
1575 static av_always_inline
1576 84324 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 84324 uint8_t *top_border_m1 = top_border - 32; // for TL prediction
1581 84324 src_y -= linesize;
1582 84324 src_cb -= uvlinesize;
1583 84324 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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 84324 XCHG(top_border_m1 + 8, src_y - 8, xchg);
1594
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 84324 XCHG(top_border, src_y, xchg);
1595 84324 XCHG(top_border + 8, src_y + 8, 1);
1596
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 84324 if (mb_x < mb_width - 1)
1597 80876 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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 84324 if (!simple || !mb_y) {
1602
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 81242 XCHG(top_border_m1 + 16, src_cb - 8, xchg);
1603
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 81242 XCHG(top_border_m1 + 24, src_cr - 8, xchg);
1604 81242 XCHG(top_border + 16, src_cb, 1);
1605 81242 XCHG(top_border + 24, src_cr, 1);
1606 }
1607 84324 }
1608
1609 static av_always_inline
1610 73435 int check_dc_pred8x8_mode(int mode, int mb_x, int mb_y)
1611 {
1612
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 73435 if (!mb_x)
1613
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 3089 return mb_y ? TOP_DC_PRED8x8 : DC_128_PRED8x8;
1614 else
1615
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 70346 return mb_y ? mode : LEFT_DC_PRED8x8;
1616 }
1617
1618 static av_always_inline
1619 1820 int check_tm_pred8x8_mode(int mode, int mb_x, int mb_y, int vp7)
1620 {
1621
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 1820 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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 1819 return mb_y ? mode : HOR_PRED8x8;
1625 }
1626
1627 static av_always_inline
1628 97737 int check_intra_pred8x8_mode_emuedge(int mode, int mb_x, int mb_y, int vp7)
1629 {
1630
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 97737 switch (mode) {
1631 73435 case DC_PRED8x8:
1632 73435 return check_dc_pred8x8_mode(mode, mb_x, mb_y);
1633 5793 case VERT_PRED8x8:
1634
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 5793 return !mb_y ? (vp7 ? DC_128_PRED8x8 : DC_127_PRED8x8) : mode;
1635 16689 case HOR_PRED8x8:
1636
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 16689 return !mb_x ? (vp7 ? DC_128_PRED8x8 : DC_129_PRED8x8) : mode;
1637 1820 case PLANE_PRED8x8: /* TM */
1638 1820 return check_tm_pred8x8_mode(mode, mb_x, mb_y, vp7);
1639 }
1640 ✗ return mode;
1641 }
1642
1643 static av_always_inline
1644 50079 int check_tm_pred4x4_mode(int mode, int mb_x, int mb_y, int vp7)
1645 {
1646
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 50079 if (!mb_x) {
1647
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 1362 return mb_y ? VERT_VP8_PRED : (vp7 ? DC_128_PRED : DC_129_PRED);
1648 } else {
1649
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 48717 return mb_y ? mode : HOR_VP8_PRED;
1650 }
1651 }
1652
1653 static av_always_inline
1654 285392 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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 285392 switch (mode) {
1658 13711 case VERT_PRED:
1659
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 13711 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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 35142 return !mb_y ? (vp7 ? DC_128_PRED : DC_127_PRED) : mode;
1667 19567 case HOR_PRED:
1668
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 19567 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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 31830 return !mb_x ? (vp7 ? DC_128_PRED : DC_129_PRED) : mode;
1675 50079 case TM_VP8_PRED:
1676 50079 return check_tm_pred4x4_mode(mode, mb_x, mb_y, vp7);
1677 168118 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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 168118 if (!mb_y || !mb_x)
1683 1140 *copy_buf = 1;
1684 168118 return mode;
1685 }
1686 ✗ return mode;
1687 }
1688
1689 static av_always_inline
1690 57787 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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 57787 if (mb_y && (s->deblock_filter || !mb_y) && td->thread_nr == 0)
1699 42162 xchg_mb_border(s->top_border[mb_x + 1], dst[0], dst[1], dst[2],
1700 42162 s->linesize, s->uvlinesize, mb_x, mb_y, s->mb_width,
1701 42162 s->filter.simple, 1);
1702
1703
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 57787 if (mb->mode < MODE_I4x4) {
1704 39950 mode = check_intra_pred8x8_mode_emuedge(mb->mode, mb_x, mb_y, is_vp7);
1705 39950 s->hpc.pred16x16[mode](dst[0], s->linesize);
1706 } else {
1707 17837 uint8_t *ptr = dst[0];
1708 17837 const uint8_t *intra4x4 = mb->intra4x4_pred_mode_mb;
1709
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 17837 const uint8_t lo = is_vp7 ? 128 : 127;
1710
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 17837 const uint8_t hi = is_vp7 ? 128 : 129;
1711 17837 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 17837 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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 17837 if (mb_y && mb_x == s->mb_width - 1) {
1720 637 tr = tr_right[-1] * 0x01010101u;
1721 637 tr_right = (uint8_t *) &tr;
1722 }
1723
1724
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 17837 if (mb->skip)
1725 471 AV_ZERO128(td->non_zero_count_cache);
1726
1727
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 89185 for (y = 0; y < 4; y++) {
1728 71348 const uint8_t *topright = ptr + 4 - s->linesize;
1729
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 356740 for (x = 0; x < 4; x++) {
1730 285392 int copy = 0;
1731 285392 ptrdiff_t linesize = s->linesize;
1732 285392 uint8_t *dst = ptr + 4 * x;
1733 285392 LOCAL_ALIGNED(4, uint8_t, copy_dst, [5 * 8]);
1734
1735
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 285392 if ((y == 0 || x == 3) && mb_y == 0) {
1736 4417 topright = tr_top;
1737
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 280975 } else if (x == 3)
1738 68824 topright = tr_right;
1739
1740 285392 mode = check_intra_pred4x4_mode_emuedge(intra4x4[x], mb_x + x,
1741 mb_y + y, &copy, is_vp7);
1742
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 285392 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);
1750
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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 285392 s->hpc.pred4x4[mode](dst, topright, linesize);
1769
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 285392 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 285392 nnz = td->non_zero_count_cache[y][x];
1777
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 285392 if (nnz) {
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 123711 if (nnz == 1)
1779 35339 s->vp8dsp.vp8_idct_dc_add(ptr + 4 * x,
1780 35339 td->block[y][x], s->linesize);
1781 else
1782 88372 s->vp8dsp.vp8_idct_add(ptr + 4 * x,
1783 88372 td->block[y][x], s->linesize);
1784 }
1785 285392 topright += 4;
1786 }
1787
1788 71348 ptr += 4 * s->linesize;
1789 71348 intra4x4 += 4;
1790 }
1791 }
1792
1793 57787 mode = check_intra_pred8x8_mode_emuedge(mb->chroma_pred_mode,
1794 mb_x, mb_y, is_vp7);
1795 57787 s->hpc.pred8x8[mode](dst[1], s->uvlinesize);
1796 57787 s->hpc.pred8x8[mode](dst[2], s->uvlinesize);
1797
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 57787 if (mb_y && (s->deblock_filter || !mb_y) && td->thread_nr == 0)
1799 42162 xchg_mb_border(s->top_border[mb_x + 1], dst[0], dst[1], dst[2],
1800 42162 s->linesize, s->uvlinesize, mb_x, mb_y, s->mb_width,
1801 42162 s->filter.simple, 0);
1802 57787 }
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 504642 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 504642 const uint8_t *src = ref->f->data[0];
1835
1836
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 504642 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 379743 ff_progress_frame_await(ref, (3 + y_off + block_h) >> 4);
1863 379743 mc_func[0][0](dst, linesize, src + y_off * linesize + x_off,
1864 linesize, block_h, 0, 0);
1865 }
1866 504642 }
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 425262 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 425262 const uint8_t *src1 = ref->f->data[1], *src2 = ref->f->data[2];
1893
1894
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 425262 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 346072 ff_progress_frame_await(ref, (3 + y_off + block_h) >> 3);
1930 346072 mc_func[0][0](dst1, linesize, src1 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1931 346072 mc_func[0][0](dst2, linesize, src2 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1932 }
1933 425262 }
1934
1935 static av_always_inline
1936 398802 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 398802 VP8mv uvmv = *mv;
1942
1943 /* Y */
1944 398802 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 398802 s->put_pixels_tab[block_w == 8]);
1948
1949 /* U/V */
1950
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 398802 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 398802 x_off >>= 1;
1957 398802 y_off >>= 1;
1958 398802 bx_off >>= 1;
1959 398802 by_off >>= 1;
1960 398802 width >>= 1;
1961 398802 height >>= 1;
1962 398802 block_w >>= 1;
1963 398802 block_h >>= 1;
1964 398802 vp8_mc_chroma(s, td, dst[1] + by_off * s->uvlinesize + bx_off,
1965 398802 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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 398802 s->put_pixels_tab[1 + (block_w == 4)]);
1969 398802 }
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 1332447 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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 1332447 if (s->ref_count[ref - 1] > (mb_xy >> 5)) {
1979 479351 int x_off = mb_x << 4, y_off = mb_y << 4;
1980 479351 int mx = (mb->mv.x >> 2) + x_off + 8;
1981 479351 int my = (mb->mv.y >> 2) + y_off;
1982 479351 uint8_t **src = s->framep[ref]->tf.f->data;
1983 479351 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 479351 s->vdsp.prefetch(src[0] + off, s->linesize, 4);
1988 479351 off = (mx >> 1) + ((my >> 1) + (mb_x & 7)) * s->uvlinesize + 64;
1989 479351 s->vdsp.prefetch(src[1] + off, src[2] - src[1], 2);
1990 }
1991 1332447 }
1992
1993 /**
1994 * Apply motion vectors to prediction buffer, chapter 18.
1995 */
1996 static av_always_inline
1997 386362 void inter_predict(VP8Context *s, VP8ThreadData *td, uint8_t *const dst[3],
1998 VP8Macroblock *mb, int mb_x, int mb_y)
1999 {
2000 386362 int x_off = mb_x << 4, y_off = mb_y << 4;
2001 386362 int width = 16 * s->mb_width, height = 16 * s->mb_height;
2002 386362 const ProgressFrame *ref = &s->framep[mb->ref_frame]->tf;
2003 386362 const VP8mv *bmv = mb->bmv;
2004
2005
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 386362 switch (mb->partitioning) {
2006 368032 case VP8_SPLITMVMODE_NONE:
2007 368032 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2008 368032 0, 0, 16, 16, width, height, &mb->mv);
2009 368032 break;
2010 6615 case VP8_SPLITMVMODE_4x4: {
2011 int x, y;
2012 VP8mv uvmv;
2013
2014 /* Y */
2015
2/2
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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 4910 case VP8_SPLITMVMODE_16x8:
2056 4910 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2057 0, 0, 16, 8, width, height, &bmv[0]);
2058 4910 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2059 0, 8, 16, 8, width, height, &bmv[1]);
2060 4910 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 3670 case VP8_SPLITMVMODE_8x8:
2068 3670 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2069 0, 0, 8, 8, width, height, &bmv[0]);
2070 3670 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2071 8, 0, 8, 8, width, height, &bmv[1]);
2072 3670 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2073 0, 8, 8, 8, width, height, &bmv[2]);
2074 3670 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2075 8, 8, 8, 8, width, height, &bmv[3]);
2076 3670 break;
2077 }
2078 386362 }
2079
2080 static av_always_inline
2081 77432 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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 77432 if (mb->mode != MODE_I4x4) {
2087 60066 uint8_t *y_dst = dst[0];
2088
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 300330 for (y = 0; y < 4; y++) {
2089 240264 uint32_t nnz4 = AV_RL32(td->non_zero_count_cache[y]);
2090
2/2
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 240264 if (nnz4) {
2091
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 177537 if (nnz4 & ~0x01010101) {
2092
1/2
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 156889 for (x = 0; x < 4; x++) {
2093
2/2
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✓ Branch 1 taken 102395 times.
 156889 if ((uint8_t) nnz4 == 1)
2094 54494 s->vp8dsp.vp8_idct_dc_add(y_dst + 4 * x,
2095 54494 td->block[y][x],
2096 s->linesize);
2097
2/2
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 102395 else if ((uint8_t) nnz4 > 1)
2098 74874 s->vp8dsp.vp8_idct_add(y_dst + 4 * x,
2099 74874 td->block[y][x],
2100 s->linesize);
2101 156889 nnz4 >>= 8;
2102
2/2
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 156889 if (!nnz4)
2103 45134 break;
2104 }
2105 } else {
2106 132403 s->vp8dsp.vp8_idct_dc_add4y(y_dst, td->block[y], s->linesize);
2107 }
2108 }
2109 240264 y_dst += 4 * s->linesize;
2110 }
2111 }
2112
2113
2/2
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✓ Branch 1 taken 77432 times.
 232296 for (ch = 0; ch < 2; ch++) {
2114 154864 uint32_t nnz4 = AV_RL32(td->non_zero_count_cache[4 + ch]);
2115
2/2
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 154864 if (nnz4) {
2116 60245 uint8_t *ch_dst = dst[1 + ch];
2117
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 60245 if (nnz4 & ~0x01010101) {
2118
1/2
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 55844 for (y = 0; y < 2; y++) {
2119
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 132651 for (x = 0; x < 2; x++) {
2120
2/2
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✓ Branch 1 taken 90849 times.
 106938 if ((uint8_t) nnz4 == 1)
2121 16089 s->vp8dsp.vp8_idct_dc_add(ch_dst + 4 * x,
2122 16089 td->block[4 + ch][(y << 1) + x],
2123 s->uvlinesize);
2124
2/2
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✓ Branch 1 taken 23588 times.
 90849 else if ((uint8_t) nnz4 > 1)
2125 67261 s->vp8dsp.vp8_idct_add(ch_dst + 4 * x,
2126 67261 td->block[4 + ch][(y << 1) + x],
2127 s->uvlinesize);
2128 106938 nnz4 >>= 8;
2129
2/2
✓ Branch 0 taken 30131 times.
✓ Branch 1 taken 76807 times.
 106938 if (!nnz4)
2130 30131 goto chroma_idct_end;
2131 }
2132 25713 ch_dst += 4 * s->uvlinesize;
2133 }
2134 } else {
2135 30114 s->vp8dsp.vp8_idct_dc_add4uv(ch_dst, td->block[4 + ch], s->uvlinesize);
2136 }
2137 }
2138 154864 chroma_idct_end:
2139 ;
2140 }
2141 77432 }
2142
2143 static av_always_inline
2144 424849 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
2/2
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 424849 if (s->segmentation.enabled) {
2150 102219 filter_level = s->segmentation.filter_level[mb->segment];
2151
2/2
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✓ Branch 1 taken 3324 times.
 102219 if (!s->segmentation.absolute_vals)
2152 98895 filter_level += s->filter.level;
2153 } else
2154 322630 filter_level = s->filter.level;
2155
2156
2/2
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 424849 if (s->lf_delta.enabled) {
2157 417275 filter_level += s->lf_delta.ref[mb->ref_frame];
2158 417275 filter_level += s->lf_delta.mode[mb->mode];
2159 }
2160
2161 424849 filter_level = av_clip_uintp2(filter_level, 6);
2162
2163 424849 interior_limit = filter_level;
2164
2/2
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✓ Branch 1 taken 422077 times.
 424849 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 424849 interior_limit = FFMAX(interior_limit, 1);
2169
2170 424849 f->filter_level = filter_level;
2171 424849 f->inner_limit = interior_limit;
2172
6/6
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✓ Branch 5 taken 288 times.
 777964 f->inner_filter = is_vp7 || !mb->skip || mb->mode == MODE_I4x4 ||
2173
2/2
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✓ Branch 1 taken 349878 times.
 353115 mb->mode == VP8_MVMODE_SPLIT;
2174 424849 }
2175
2176 static av_always_inline
2177 417127 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 417127 int filter_level = f->filter_level;
2182 417127 int inner_limit = f->inner_limit;
2183 417127 int inner_filter = f->inner_filter;
2184 417127 ptrdiff_t linesize = s->linesize;
2185 417127 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
2/2
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 417127 if (!filter_level)
2198 5876 return;
2199
2200
2/2
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✓ Branch 1 taken 404431 times.
 411251 if (is_vp7) {
2201 6820 bedge_lim_y = filter_level;
2202 6820 bedge_lim_uv = filter_level * 2;
2203 6820 mbedge_lim = filter_level + 2;
2204 } else {
2205 404431 bedge_lim_y =
2206 404431 bedge_lim_uv = filter_level * 2 + inner_limit;
2207 404431 mbedge_lim = bedge_lim_y + 4;
2208 }
2209
2210 411251 hev_thresh = hev_thresh_lut[s->keyframe][filter_level];
2211
2212
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 411251 if (mb_x) {
2213 397107 s->vp8dsp.vp8_h_loop_filter16y(dst[0], linesize,
2214 mbedge_lim, inner_limit, hev_thresh);
2215 397107 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
4/4
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 411251 H_LOOP_FILTER_16Y_INNER(!is_vp7)
2236
2237
2/2
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 411251 if (mb_y) {
2238 390177 s->vp8dsp.vp8_v_loop_filter16y(dst[0], linesize,
2239 mbedge_lim, inner_limit, hev_thresh);
2240 390177 s->vp8dsp.vp8_v_loop_filter8uv(dst[1], dst[2], uvlinesize,
2241 mbedge_lim, inner_limit, hev_thresh);
2242 }
2243
2244
2/2
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 411251 if (inner_filter) {
2245 69722 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 4 * linesize,
2246 linesize, bedge_lim_y,
2247 inner_limit, hev_thresh);
2248 69722 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 8 * linesize,
2249 linesize, bedge_lim_y,
2250 inner_limit, hev_thresh);
2251 69722 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 12 * linesize,
2252 linesize, bedge_lim_y,
2253 inner_limit, hev_thresh);
2254 69722 s->vp8dsp.vp8_v_loop_filter8uv_inner(dst[1] + 4 * uvlinesize,
2255 69722 dst[2] + 4 * uvlinesize,
2256 uvlinesize, bedge_lim_uv,
2257 inner_limit, hev_thresh);
2258 }
2259
2260
3/4
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✓ Branch 2 taken 6820 times.
✗ Branch 3 not taken.
 411251 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
2/2
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✓ Branch 1 taken 7390 times.
 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
2/2
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✓ Branch 1 taken 677 times.
 7390 if (mb_x)
2280 6713 s->vp8dsp.vp8_h_loop_filter_simple(dst, linesize, mbedge_lim);
2281
2/2
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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
2/2
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✓ Branch 1 taken 781 times.
 7390 if (mb_y)
2288 6609 s->vp8dsp.vp8_v_loop_filter_simple(dst, linesize, mbedge_lim);
2289
2/2
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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 31 int vp78_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe,
2299 const VP8Frame *prev_frame, int is_vp7)
2300 {
2301 31 VP8Context *s = avctx->priv_data;
2302 int mb_x, mb_y;
2303
2304 31 s->mv_bounds.mv_min.y = -MARGIN;
2305 31 s->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
2306
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 372 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
2307 341 VP8Macroblock *mb = s->macroblocks_base +
2308 341 ((s->mb_width + 1) * (mb_y + 1) + 1);
2309 341 int mb_xy = mb_y * s->mb_width;
2310
2311 341 AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED * 0x01010101);
2312
2313 341 s->mv_bounds.mv_min.x = -MARGIN;
2314 341 s->mv_bounds.mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
2315
2316
2/2
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 7161 for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
2317
1/2
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✓ Branch 2 taken 6820 times.
 6820 if (vpx_rac_is_end(&s->c)) {
2318 ✗ return AVERROR_INVALIDDATA;
2319 }
2320
2/2
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✓ Branch 1 taken 6200 times.
 6820 if (mb_y == 0)
2321 620 AV_WN32A((mb - s->mb_width - 1)->intra4x4_pred_mode_top,
2322 DC_PRED * 0x01010101);
2323
2/2
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✓ Branch 1 taken 220 times.
 13420 decode_mb_mode(s, &s->mv_bounds, mb, mb_x, mb_y, curframe->seg_map + mb_xy,
2324
1/2
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✗ Branch 1 not taken.
 6600 prev_frame && prev_frame->seg_map ?
2325 6600 prev_frame->seg_map + mb_xy : NULL, 1, is_vp7);
2326 6820 s->mv_bounds.mv_min.x -= 64;
2327 6820 s->mv_bounds.mv_max.x -= 64;
2328 }
2329 341 s->mv_bounds.mv_min.y -= 64;
2330 341 s->mv_bounds.mv_max.y -= 64;
2331 }
2332 31 return 0;
2333 }
2334
2335 31 static int vp7_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame,
2336 const VP8Frame *prev_frame)
2337 {
2338 31 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 16240 static av_always_inline int decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2386 int jobnr, int threadnr, int is_vp7)
2387 {
2388 16240 VP8Context *s = avctx->priv_data;
2389 16240 VP8ThreadData *prev_td, *next_td, *td = &s->thread_data[threadnr];
2390 16240 int mb_y = atomic_load(&td->thread_mb_pos) >> 16;
2391 16240 int mb_x, mb_xy = mb_y * s->mb_width;
2392 16240 int num_jobs = s->num_jobs;
2393 16240 const VP8Frame *prev_frame = s->prev_frame;
2394 16240 VP8Frame *curframe = s->curframe;
2395 16240 VPXRangeCoder *coeff_c = &s->coeff_partition[mb_y & (s->num_coeff_partitions - 1)];
2396
2397 VP8Macroblock *mb;
2398 16240 uint8_t *dst[3] = {
2399 16240 curframe->tf.f->data[0] + 16 * mb_y * s->linesize,
2400 16240 curframe->tf.f->data[1] + 8 * mb_y * s->uvlinesize,
2401 16240 curframe->tf.f->data[2] + 8 * mb_y * s->uvlinesize
2402 };
2403
2404
1/2
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 16240 if (vpx_rac_is_end(&s->c))
2405 ✗ return AVERROR_INVALIDDATA;
2406
2407
2/2
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 16240 if (mb_y == 0)
2408 1148 prev_td = td;
2409 else
2410 15092 prev_td = &s->thread_data[(jobnr + num_jobs - 1) % num_jobs];
2411
2/2
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 16240 if (mb_y == s->mb_height - 1)
2412 1148 next_td = td;
2413 else
2414 15092 next_td = &s->thread_data[(jobnr + 1) % num_jobs];
2415
2/2
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✓ Branch 1 taken 15899 times.
 16240 if (s->mb_layout == 1)
2416 341 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 re-use the same map.
2420
4/4
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 15899 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 15899 mb = s->macroblocks + (s->mb_height - mb_y - 1) * 2;
2424 15899 memset(mb - 1, 0, sizeof(*mb)); // zero left macroblock
2425 15899 AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED * 0x01010101);
2426 }
2427
2428
4/4
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 16240 if (!is_vp7 || mb_y == 0)
2429 15930 memset(td->left_nnz, 0, sizeof(td->left_nnz));
2430
2431 16240 td->mv_bounds.mv_min.x = -MARGIN;
2432 16240 td->mv_bounds.mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
2433
2434
2/2
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 460389 for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
2435
1/2
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 444149 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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 444149 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 444149 s->vdsp.prefetch(dst[0] + (mb_x & 3) * 4 * s->linesize + 64,
2451 s->linesize, 4);
2452 444149 s->vdsp.prefetch(dst[1] + (mb_x & 7) * s->uvlinesize + 64,
2453 444149 dst[2] - dst[1], 2);
2454
2455
2/2
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 444149 if (!s->mb_layout)
2456
2/2
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 843678 decode_mb_mode(s, &td->mv_bounds, mb, mb_x, mb_y, curframe->seg_map + mb_xy,
2457
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✗ Branch 1 not taken.
 406349 prev_frame && prev_frame->seg_map ?
2458 406349 prev_frame->seg_map + mb_xy : NULL, 0, is_vp7);
2459
2460 444149 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP8_FRAME_PREVIOUS);
2461
2462
2/2
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 444149 if (!mb->skip) {
2463
1/2
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 84108 if (vpx_rac_is_end(coeff_c))
2464 ✗ return AVERROR_INVALIDDATA;
2465 84108 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 386362 times.
 444149 if (mb->mode <= MODE_I4x4)
2469 57787 intra_predict(s, td, dst, mb, mb_x, mb_y, is_vp7);
2470 else
2471 386362 inter_predict(s, td, dst, mb, mb_x, mb_y);
2472
2473 444149 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP8_FRAME_GOLDEN);
2474
2475
2/2
✓ Branch 0 taken 77432 times.
✓ Branch 1 taken 366717 times.
 444149 if (!mb->skip) {
2476 77432 idct_mb(s, td, dst, mb);
2477 } else {
2478 366717 AV_ZERO64(td->left_nnz);
2479 366717 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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 366717 if (mb->mode != MODE_I4x4 && mb->mode != VP8_MVMODE_SPLIT) {
2484 362979 td->left_nnz[8] = 0;
2485 362979 s->top_nnz[mb_x][8] = 0;
2486 }
2487 }
2488
2489
2/2
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✓ Branch 1 taken 19300 times.
 444149 if (s->deblock_filter)
2490 424849 filter_level_for_mb(s, mb, &td->filter_strength[mb_x], is_vp7);
2491
2492
3/6
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 444149 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 444149 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP8_FRAME_ALTREF);
2502
2503 444149 dst[0] += 16;
2504 444149 dst[1] += 8;
2505 444149 dst[2] += 8;
2506 444149 td->mv_bounds.mv_min.x -= 64;
2507 444149 td->mv_bounds.mv_max.x -= 64;
2508
2509
1/2
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 444149 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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 444149 update_pos(td, mb_y, mb_x);
2513 }
2514 }
2515 16240 return 0;
2516 }
2517
2518 15154 static av_always_inline void filter_mb_row(AVCodecContext *avctx, void *tdata,
2519 int jobnr, int threadnr, int is_vp7)
2520 {
2521 15154 VP8Context *s = avctx->priv_data;
2522 15154 VP8ThreadData *td = &s->thread_data[threadnr];
2523 15154 int mb_x, mb_y = atomic_load(&td->thread_mb_pos) >> 16, num_jobs = s->num_jobs;
2524 15154 AVFrame *curframe = s->curframe->tf.f;
2525 VP8Macroblock *mb;
2526 VP8ThreadData *prev_td, *next_td;
2527 15154 uint8_t *dst[3] = {
2528 15154 curframe->data[0] + 16 * mb_y * s->linesize,
2529 15154 curframe->data[1] + 8 * mb_y * s->uvlinesize,
2530 15154 curframe->data[2] + 8 * mb_y * s->uvlinesize
2531 };
2532
2533
2/2
✓ Branch 0 taken 341 times.
✓ Branch 1 taken 14813 times.
 15154 if (s->mb_layout == 1)
2534 341 mb = s->macroblocks_base + ((s->mb_width + 1) * (mb_y + 1) + 1);
2535 else
2536 14813 mb = s->macroblocks + (s->mb_height - mb_y - 1) * 2;
2537
2538
2/2
✓ Branch 0 taken 1038 times.
✓ Branch 1 taken 14116 times.
 15154 if (mb_y == 0)
2539 1038 prev_td = td;
2540 else
2541 14116 prev_td = &s->thread_data[(jobnr + num_jobs - 1) % num_jobs];
2542
2/2
✓ Branch 0 taken 1038 times.
✓ Branch 1 taken 14116 times.
 15154 if (mb_y == s->mb_height - 1)
2543 1038 next_td = td;
2544 else
2545 14116 next_td = &s->thread_data[(jobnr + 1) % num_jobs];
2546
2547
2/2
✓ Branch 0 taken 424849 times.
✓ Branch 1 taken 15154 times.
 440003 for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb++) {
2548 424849 const VP8FilterStrength *f = &td->filter_strength[mb_x];
2549
1/2
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✓ Branch 1 taken 424849 times.
 424849 if (prev_td != td)
2550 ✗ check_thread_pos(td, prev_td,
2551 (mb_x + 1) + (s->mb_width + 3), mb_y - 1);
2552
1/2
✗ Branch 0 not taken.
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 424849 if (next_td != td)
2553 ✗ if (next_td != &s->thread_data[0])
2554 ✗ check_thread_pos(td, next_td, mb_x + 1, mb_y + 1);
2555
2556
1/2
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✗ Branch 1 not taken.
 424849 if (num_jobs == 1) {
2557
2/2
✓ Branch 0 taken 7722 times.
✓ Branch 1 taken 417127 times.
 424849 if (s->filter.simple)
2558 7722 backup_mb_border(s->top_border[mb_x + 1], dst[0],
2559 NULL, NULL, s->linesize, 0, 1);
2560 else
2561 417127 backup_mb_border(s->top_border[mb_x + 1], dst[0],
2562 417127 dst[1], dst[2], s->linesize, s->uvlinesize, 0);
2563 }
2564
2565
2/2
✓ Branch 0 taken 7722 times.
✓ Branch 1 taken 417127 times.
 424849 if (s->filter.simple)
2566 7722 filter_mb_simple(s, dst[0], f, mb_x, mb_y);
2567 else
2568 417127 filter_mb(s, dst, f, mb_x, mb_y, is_vp7);
2569 424849 dst[0] += 16;
2570 424849 dst[1] += 8;
2571 424849 dst[2] += 8;
2572
2573
7/22
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 424849 update_pos(td, mb_y, (s->mb_width + 3) + mb_x);
2574 }
2575 15154 }
2576
2577 static av_always_inline
2578 1148 int vp78_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, int jobnr,
2579 int threadnr, int is_vp7)
2580 {
2581 1148 const VP8Context *s = avctx->priv_data;
2582 1148 VP8ThreadData *td = &s->thread_data[jobnr];
2583 1148 VP8ThreadData *next_td = NULL, *prev_td = NULL;
2584 1148 VP8Frame *curframe = s->curframe;
2585 1148 int mb_y, num_jobs = s->num_jobs;
2586 int ret;
2587
2588 1148 td->thread_nr = threadnr;
2589 1148 td->mv_bounds.mv_min.y = -MARGIN - 64 * threadnr;
2590 1148 td->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN - 64 * threadnr;
2591
2/2
✓ Branch 0 taken 16240 times.
✓ Branch 1 taken 1148 times.
 17388 for (mb_y = jobnr; mb_y < s->mb_height; mb_y += num_jobs) {
2592 16240 atomic_store(&td->thread_mb_pos, mb_y << 16);
2593 16240 ret = s->decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr);
2594
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 16240 times.
 16240 if (ret < 0) {
2595 ✗ update_pos(td, s->mb_height, INT_MAX & 0xFFFF);
2596 ✗ return ret;
2597 }
2598
2/2
✓ Branch 0 taken 15154 times.
✓ Branch 1 taken 1086 times.
 16240 if (s->deblock_filter)
2599 15154 s->filter_mb_row(avctx, tdata, jobnr, threadnr);
2600
4/22
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 16240 update_pos(td, mb_y, INT_MAX & 0xFFFF);
2601
2602 16240 td->mv_bounds.mv_min.y -= 64 * num_jobs;
2603 16240 td->mv_bounds.mv_max.y -= 64 * num_jobs;
2604
2605
1/2
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✓ Branch 1 taken 16240 times.
 16240 if (avctx->active_thread_type == FF_THREAD_FRAME)
2606 ✗ ff_progress_frame_report(&curframe->tf, mb_y);
2607 }
2608
2609 1148 return 0;
2610 }
2611
2612 31 static int vp7_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata,
2613 int jobnr, int threadnr)
2614 {
2615 31 return vp78_decode_mb_row_sliced(avctx, tdata, jobnr, threadnr, IS_VP7);
2616 }
2617
2618 1117 static int vp8_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata,
2619 int jobnr, int threadnr)
2620 {
2621 1117 return vp78_decode_mb_row_sliced(avctx, tdata, jobnr, threadnr, IS_VP8);
2622 }
2623
2624 static av_always_inline
2625 1148 int vp78_decode_frame(AVCodecContext *avctx, AVFrame *rframe, int *got_frame,
2626 const AVPacket *avpkt, int is_vp7)
2627 {
2628 1148 VP8Context *s = avctx->priv_data;
2629 int ret, i, referenced, num_jobs;
2630 enum AVDiscard skip_thresh;
2631 1148 VP8Frame *av_uninit(curframe), *prev_frame;
2632
2633
2/2
✓ Branch 0 taken 31 times.
✓ Branch 1 taken 1117 times.
 1148 if (is_vp7)
2634 31 ret = vp7_decode_frame_header(s, avpkt->data, avpkt->size);
2635 else
2636 1117 ret = vp8_decode_frame_header(s, avpkt->data, avpkt->size);
2637
2638
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1148 times.
 1148 if (ret < 0)
2639 ✗ goto err;
2640
2641
4/4
✓ Branch 0 taken 1117 times.
✓ Branch 1 taken 31 times.
✓ Branch 2 taken 6 times.
✓ Branch 3 taken 1111 times.
 1148 if (!is_vp7 && s->actually_webp) {
2642 // VP8 in WebP is supposed to be intra-only. Enforce this here
2643 // to ensure that output is reproducible with frame-threading.
2644
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6 times.
 6 if (!s->keyframe)
2645 ✗ return AVERROR_INVALIDDATA;
2646 // avctx->pix_fmt already set in caller.
2647
3/4
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✓ Branch 1 taken 31 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 1111 times.
 1142 } else if (!is_vp7 && s->pix_fmt == AV_PIX_FMT_NONE) {
2648 ✗ s->pix_fmt = get_pixel_format(s);
2649 ✗ if (s->pix_fmt < 0) {
2650 ✗ ret = AVERROR(EINVAL);
2651 ✗ goto err;
2652 }
2653 ✗ avctx->pix_fmt = s->pix_fmt;
2654 }
2655
2656 1148 prev_frame = s->framep[VP8_FRAME_CURRENT];
2657
2658
3/4
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✓ Branch 2 taken 11 times.
✗ Branch 3 not taken.
 1159 referenced = s->update_last || s->update_golden == VP8_FRAME_CURRENT ||
2659
2/2
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✓ Branch 1 taken 2 times.
 11 s->update_altref == VP8_FRAME_CURRENT;
2660
2661 1148 skip_thresh = !referenced ? AVDISCARD_NONREF
2662
4/4
✓ Branch 0 taken 1146 times.
✓ Branch 1 taken 2 times.
✓ Branch 2 taken 1095 times.
✓ Branch 3 taken 51 times.
 1148 : !s->keyframe ? AVDISCARD_NONKEY
2663 : AVDISCARD_ALL;
2664
2665
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1148 times.
 1148 if (avctx->skip_frame >= skip_thresh) {
2666 ✗ s->invisible = 1;
2667 ✗ memcpy(&s->next_framep[0], &s->framep[0], sizeof(s->framep[0]) * 4);
2668 ✗ goto skip_decode;
2669 }
2670
3/4
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✓ Branch 1 taken 110 times.
✓ Branch 2 taken 1038 times.
✗ Branch 3 not taken.
 1148 s->deblock_filter = s->filter.level && avctx->skip_loop_filter < skip_thresh;
2671
2672 // release no longer referenced frames
2673
2/2
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✓ Branch 1 taken 1148 times.
 6888 for (i = 0; i < 5; i++)
2674
2/2
✓ Branch 0 taken 3833 times.
✓ Branch 1 taken 1907 times.
 5740 if (s->frames[i].tf.f &&
2675
2/2
✓ Branch 0 taken 2724 times.
✓ Branch 1 taken 1109 times.
 3833 &s->frames[i] != prev_frame &&
2676
2/2
✓ Branch 0 taken 2713 times.
✓ Branch 1 taken 11 times.
 2724 &s->frames[i] != s->framep[VP8_FRAME_PREVIOUS] &&
2677
2/2
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✓ Branch 1 taken 971 times.
 2713 &s->frames[i] != s->framep[VP8_FRAME_GOLDEN] &&
2678
2/2
✓ Branch 0 taken 1034 times.
✓ Branch 1 taken 708 times.
 1742 &s->frames[i] != s->framep[VP8_FRAME_ALTREF])
2679 1034 vp8_release_frame(&s->frames[i]);
2680
2681
1/2
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✗ Branch 1 not taken.
 1148 if (!s->colorspace)
2682 1148 avctx->colorspace = AVCOL_SPC_BT470BG;
2683
1/2
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 1148 if (s->fullrange)
2684 ✗ avctx->color_range = AVCOL_RANGE_JPEG;
2685 else
2686 1148 avctx->color_range = AVCOL_RANGE_MPEG;
2687
2688 /* Given that arithmetic probabilities are updated every frame, it's quite
2689 * likely that the values we have on a random interframe are complete
2690 * junk if we didn't start decode on a keyframe. So just don't display
2691 * anything rather than junk. */
2692
3/4
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✗ Branch 3 not taken.
 1148 if (!s->keyframe && (!s->framep[VP8_FRAME_PREVIOUS] ||
2693
1/2
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✗ Branch 1 not taken.
 1097 !s->framep[VP8_FRAME_GOLDEN] ||
2694
1/2
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 1097 !s->framep[VP8_FRAME_ALTREF])) {
2695 ✗ av_log(avctx, AV_LOG_WARNING,
2696 "Discarding interframe without a prior keyframe!\n");
2697 ✗ ret = AVERROR_INVALIDDATA;
2698 ✗ goto err;
2699 }
2700
2701 1148 curframe = vp8_find_free_buffer(s);
2702
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1148 times.
 1148 if ((ret = vp8_alloc_frame(s, curframe, referenced)) < 0)
2703 ✗ goto err;
2704 1148 s->framep[VP8_FRAME_CURRENT] = curframe;
2705
2/2
✓ Branch 0 taken 51 times.
✓ Branch 1 taken 1097 times.
 1148 if (s->keyframe)
2706 51 curframe->tf.f->flags |= AV_FRAME_FLAG_KEY;
2707 else
2708 1097 curframe->tf.f->flags &= ~AV_FRAME_FLAG_KEY;
2709 2296 curframe->tf.f->pict_type = s->keyframe ? AV_PICTURE_TYPE_I
2710
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 1148 : AV_PICTURE_TYPE_P;
2711
2712 // check if golden and altref are swapped
2713
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 1148 if (s->update_altref != VP8_FRAME_NONE)
2714 199 s->next_framep[VP8_FRAME_ALTREF] = s->framep[s->update_altref];
2715 else
2716 949 s->next_framep[VP8_FRAME_ALTREF] = s->framep[VP8_FRAME_ALTREF];
2717
2718
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 1148 if (s->update_golden != VP8_FRAME_NONE)
2719 141 s->next_framep[VP8_FRAME_GOLDEN] = s->framep[s->update_golden];
2720 else
2721 1007 s->next_framep[VP8_FRAME_GOLDEN] = s->framep[VP8_FRAME_GOLDEN];
2722
2723
2/2
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 1148 if (s->update_last)
2724 1137 s->next_framep[VP8_FRAME_PREVIOUS] = curframe;
2725 else
2726 11 s->next_framep[VP8_FRAME_PREVIOUS] = s->framep[VP8_FRAME_PREVIOUS];
2727
2728 1148 s->next_framep[VP8_FRAME_CURRENT] = curframe;
2729
2730
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 1148 if (!is_vp7 && !s->actually_webp)
2731 1111 ff_thread_finish_setup(avctx);
2732
2733
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 1148 if (!is_vp7 && avctx->hwaccel) {
2734 ✗ const FFHWAccel *hwaccel = ffhwaccel(avctx->hwaccel);
2735 ✗ ret = hwaccel->start_frame(avctx, avpkt->buf, avpkt->data, avpkt->size);
2736 ✗ if (ret < 0)
2737 ✗ goto err;
2738
2739 ✗ ret = hwaccel->decode_slice(avctx, avpkt->data, avpkt->size);
2740 ✗ if (ret < 0)
2741 ✗ goto err;
2742
2743 ✗ ret = hwaccel->end_frame(avctx);
2744 ✗ if (ret < 0)
2745 ✗ goto err;
2746
2747 } else {
2748 1148 s->linesize = curframe->tf.f->linesize[0];
2749 1148 s->uvlinesize = curframe->tf.f->linesize[1];
2750
2751 1148 memset(s->top_nnz, 0, s->mb_width * sizeof(*s->top_nnz));
2752 /* Zero macroblock structures for top/top-left prediction
2753 * from outside the frame. */
2754
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 1148 if (!s->mb_layout)
2755 1117 memset(s->macroblocks + s->mb_height * 2 - 1, 0,
2756 1117 (s->mb_width + 1) * sizeof(*s->macroblocks));
2757
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 1148 if (!s->mb_layout && s->keyframe)
2758 50 memset(s->intra4x4_pred_mode_top, DC_PRED, s->mb_width * 4);
2759
2760 1148 memset(s->ref_count, 0, sizeof(s->ref_count));
2761
2762
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 1148 if (s->mb_layout == 1) {
2763 // Make sure the previous frame has read its segmentation map,
2764 // if we re-use the same map.
2765
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 31 if (prev_frame && s->segmentation.enabled &&
2766 ✗ !s->segmentation.update_map)
2767 ✗ ff_progress_frame_await(&prev_frame->tf, 1);
2768
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 31 if (is_vp7)
2769 31 ret = vp7_decode_mv_mb_modes(avctx, curframe, prev_frame);
2770 else
2771 ✗ ret = vp8_decode_mv_mb_modes(avctx, curframe, prev_frame);
2772
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 31 if (ret < 0)
2773 ✗ goto err;
2774 }
2775
2776
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 1148 if (avctx->active_thread_type == FF_THREAD_FRAME)
2777 ✗ num_jobs = 1;
2778 else
2779 1148 num_jobs = FFMIN(s->num_coeff_partitions, avctx->thread_count);
2780 1148 s->num_jobs = num_jobs;
2781 1148 s->curframe = curframe;
2782 1148 s->prev_frame = prev_frame;
2783 1148 s->mv_bounds.mv_min.y = -MARGIN;
2784 1148 s->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
2785
2/2
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 10332 for (i = 0; i < MAX_THREADS; i++) {
2786 9184 VP8ThreadData *td = &s->thread_data[i];
2787 9184 atomic_init(&td->thread_mb_pos, 0);
2788 9184 atomic_init(&td->wait_mb_pos, INT_MAX);
2789 }
2790
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 1148 if (is_vp7)
2791 31 avctx->execute2(avctx, vp7_decode_mb_row_sliced, s->thread_data, NULL,
2792 num_jobs);
2793 else
2794 1117 avctx->execute2(avctx, vp8_decode_mb_row_sliced, s->thread_data, NULL,
2795 num_jobs);
2796 }
2797
2798 1148 ff_progress_frame_report(&curframe->tf, INT_MAX);
2799 1148 memcpy(&s->framep[0], &s->next_framep[0], sizeof(s->framep[0]) * 4);
2800
2801 1148 skip_decode:
2802 // if future frames don't use the updated probabilities,
2803 // reset them to the values we saved
2804
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 1148 if (!s->update_probabilities)
2805 64 s->prob[0] = s->prob[1];
2806
2807
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 1148 if (!s->invisible) {
2808
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 1139 if ((ret = av_frame_ref(rframe, curframe->tf.f)) < 0)
2809 ✗ return ret;
2810 1139 *got_frame = 1;
2811 }
2812
2813 1148 return avpkt->size;
2814 ✗ err:
2815 ✗ memcpy(&s->next_framep[0], &s->framep[0], sizeof(s->framep[0]) * 4);
2816 ✗ return ret;
2817 }
2818
2819 63 av_cold int ff_vp8_decode_free(AVCodecContext *avctx)
2820 {
2821 63 vp8_decode_flush_impl(avctx, 1);
2822
2823 63 return 0;
2824 }
2825
2826 63 static av_cold void vp78_decode_init(AVCodecContext *avctx)
2827 {
2828 63 VP8Context *s = avctx->priv_data;
2829
2830 63 s->avctx = avctx;
2831 63 s->pix_fmt = AV_PIX_FMT_NONE;
2832 63 avctx->pix_fmt = AV_PIX_FMT_YUV420P;
2833
2834 63 ff_videodsp_init(&s->vdsp, 8);
2835
2836 63 ff_vp78dsp_init(&s->vp8dsp);
2837
2838 /* does not change for VP8 */
2839 63 memcpy(s->prob[0].scan, ff_zigzag_scan, sizeof(s->prob[0].scan));
2840 63 }
2841
2842 #if CONFIG_VP8_DECODER
2843 15899 static int vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2844 int jobnr, int threadnr)
2845 {
2846 15899 return decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, 0);
2847 }
2848
2849 14813 static void vp8_filter_mb_row(AVCodecContext *avctx, void *tdata,
2850 int jobnr, int threadnr)
2851 {
2852 14813 filter_mb_row(avctx, tdata, jobnr, threadnr, 0);
2853 14813 }
2854
2855 1117 int ff_vp8_decode_frame(AVCodecContext *avctx, AVFrame *frame,
2856 int *got_frame, AVPacket *avpkt)
2857 {
2858 1117 return vp78_decode_frame(avctx, frame, got_frame, avpkt, IS_VP8);
2859 }
2860
2861 60 av_cold int ff_vp8_decode_init(AVCodecContext *avctx)
2862 {
2863 60 VP8Context *s = avctx->priv_data;
2864
2865 60 vp78_decode_init(avctx);
2866 60 ff_h264_pred_init(&s->hpc, AV_CODEC_ID_VP8, 8, 1);
2867 60 ff_vp8dsp_init(&s->vp8dsp);
2868 60 s->decode_mb_row_no_filter = vp8_decode_mb_row_no_filter;
2869 60 s->filter_mb_row = vp8_filter_mb_row;
2870
2871 60 return 0;
2872 }
2873
2874 #if HAVE_THREADS
2875 ✗ static void vp8_replace_frame(VP8Frame *dst, const VP8Frame *src)
2876 {
2877 ✗ ff_progress_frame_replace(&dst->tf, &src->tf);
2878 ✗ av_refstruct_replace(&dst->seg_map, src->seg_map);
2879 ✗ av_refstruct_replace(&dst->hwaccel_picture_private,
2880 ✗ src->hwaccel_picture_private);
2881 ✗ }
2882
2883 #define REBASE(pic) ((pic) ? (pic) - &s_src->frames[0] + &s->frames[0] : NULL)
2884
2885 ✗ static int vp8_decode_update_thread_context(AVCodecContext *dst,
2886 const AVCodecContext *src)
2887 {
2888 ✗ VP8Context *s = dst->priv_data, *s_src = src->priv_data;
2889
2890 ✗ if (s->macroblocks_base &&
2891 ✗ (s_src->mb_width != s->mb_width || s_src->mb_height != s->mb_height)) {
2892 ✗ free_buffers(s);
2893 ✗ s->mb_width = s_src->mb_width;
2894 ✗ s->mb_height = s_src->mb_height;
2895 }
2896
2897 ✗ s->pix_fmt = s_src->pix_fmt;
2898 ✗ s->prob[0] = s_src->prob[!s_src->update_probabilities];
2899 ✗ s->segmentation = s_src->segmentation;
2900 ✗ s->lf_delta = s_src->lf_delta;
2901 ✗ memcpy(s->sign_bias, s_src->sign_bias, sizeof(s->sign_bias));
2902
2903 ✗ for (int i = 0; i < FF_ARRAY_ELEMS(s_src->frames); i++)
2904 ✗ vp8_replace_frame(&s->frames[i], &s_src->frames[i]);
2905
2906 ✗ s->framep[0] = REBASE(s_src->next_framep[0]);
2907 ✗ s->framep[1] = REBASE(s_src->next_framep[1]);
2908 ✗ s->framep[2] = REBASE(s_src->next_framep[2]);
2909 ✗ s->framep[3] = REBASE(s_src->next_framep[3]);
2910
2911 ✗ return 0;
2912 }
2913 #endif /* HAVE_THREADS */
2914 #endif /* CONFIG_VP8_DECODER */
2915
2916 #if CONFIG_VP7_DECODER
2917 341 static int vp7_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2918 int jobnr, int threadnr)
2919 {
2920 341 return decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, 1);
2921 }
2922
2923 341 static void vp7_filter_mb_row(AVCodecContext *avctx, void *tdata,
2924 int jobnr, int threadnr)
2925 {
2926 341 filter_mb_row(avctx, tdata, jobnr, threadnr, 1);
2927 341 }
2928
2929 31 static int vp7_decode_frame(AVCodecContext *avctx, AVFrame *frame,
2930 int *got_frame, AVPacket *avpkt)
2931 {
2932 31 return vp78_decode_frame(avctx, frame, got_frame, avpkt, IS_VP7);
2933 }
2934
2935 3 av_cold static int vp7_decode_init(AVCodecContext *avctx)
2936 {
2937 3 VP8Context *s = avctx->priv_data;
2938
2939 3 vp78_decode_init(avctx);
2940 3 ff_h264_pred_init(&s->hpc, AV_CODEC_ID_VP7, 8, 1);
2941 3 ff_vp7dsp_init(&s->vp8dsp);
2942 3 s->decode_mb_row_no_filter = vp7_decode_mb_row_no_filter;
2943 3 s->filter_mb_row = vp7_filter_mb_row;
2944
2945 3 return 0;
2946 }
2947
2948 const FFCodec ff_vp7_decoder = {
2949 .p.name = "vp7",
2950 CODEC_LONG_NAME("On2 VP7"),
2951 .p.type = AVMEDIA_TYPE_VIDEO,
2952 .p.id = AV_CODEC_ID_VP7,
2953 .priv_data_size = sizeof(VP8Context),
2954 .init = vp7_decode_init,
2955 .close = ff_vp8_decode_free,
2956 FF_CODEC_DECODE_CB(vp7_decode_frame),
2957 .p.capabilities = AV_CODEC_CAP_DR1,
2958 .flush = vp8_decode_flush,
2959 .caps_internal = FF_CODEC_CAP_USES_PROGRESSFRAMES,
2960 };
2961 #endif /* CONFIG_VP7_DECODER */
2962
2963 #if CONFIG_VP8_DECODER
2964 const FFCodec ff_vp8_decoder = {
2965 .p.name = "vp8",
2966 CODEC_LONG_NAME("On2 VP8"),
2967 .p.type = AVMEDIA_TYPE_VIDEO,
2968 .p.id = AV_CODEC_ID_VP8,
2969 .priv_data_size = sizeof(VP8Context),
2970 .init = ff_vp8_decode_init,
2971 .close = ff_vp8_decode_free,
2972 FF_CODEC_DECODE_CB(ff_vp8_decode_frame),
2973 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
2974 AV_CODEC_CAP_SLICE_THREADS,
2975 .caps_internal = FF_CODEC_CAP_USES_PROGRESSFRAMES,
2976 .flush = vp8_decode_flush,
2977 UPDATE_THREAD_CONTEXT(vp8_decode_update_thread_context),
2978 .hw_configs = (const AVCodecHWConfigInternal *const []) {
2979 #if CONFIG_VP8_VAAPI_HWACCEL
2980 HWACCEL_VAAPI(vp8),
2981 #endif
2982 #if CONFIG_VP8_NVDEC_HWACCEL
2983 HWACCEL_NVDEC(vp8),
2984 #endif
2985 NULL
2986 },
2987 };
2988 #endif /* CONFIG_VP8_DECODER */
2989