FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/vp8.c
Date: 2021-09-26 18:22:30
Exec Total Coverage
Lines: 1352 1587 85.2%
Branches: 808 1165 69.4%
Line Branch Exec Source
1 /*
2 * VP7/VP8 compatible video decoder
3 *
4 * Copyright (C) 2010 David Conrad
5 * Copyright (C) 2010 Ronald S. Bultje
6 * Copyright (C) 2010 Fiona Glaser
7 * Copyright (C) 2012 Daniel Kang
8 * Copyright (C) 2014 Peter Ross
9 *
10 * This file is part of FFmpeg.
11 *
12 * FFmpeg is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
16 *
17 * FFmpeg is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
21 *
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with FFmpeg; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 */
26
27 #include "libavutil/imgutils.h"
28 #include "libavutil/mem_internal.h"
29
30 #include "avcodec.h"
31 #include "hwconfig.h"
32 #include "internal.h"
33 #include "mathops.h"
34 #include "rectangle.h"
35 #include "thread.h"
36 #include "vp8.h"
37 #include "vp8data.h"
38
39 #if ARCH_ARM
40 # include "arm/vp8.h"
41 #endif
42
43 #if CONFIG_VP7_DECODER && CONFIG_VP8_DECODER
44 #define VPX(vp7, f) (vp7 ? vp7_ ## f : vp8_ ## f)
45 #elif CONFIG_VP7_DECODER
46 #define VPX(vp7, f) vp7_ ## f
47 #else // CONFIG_VP8_DECODER
48 #define VPX(vp7, f) vp8_ ## f
49 #endif
50
51 76 static void free_buffers(VP8Context *s)
52 {
53 int i;
54
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 76 if (s->thread_data)
55
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 333 for (i = 0; i < MAX_THREADS; i++) {
56 #if HAVE_THREADS
57 296 pthread_cond_destroy(&s->thread_data[i].cond);
58 296 pthread_mutex_destroy(&s->thread_data[i].lock);
59 #endif
60 296 av_freep(&s->thread_data[i].filter_strength);
61 }
62 76 av_freep(&s->thread_data);
63 76 av_freep(&s->macroblocks_base);
64 76 av_freep(&s->intra4x4_pred_mode_top);
65 76 av_freep(&s->top_nnz);
66 76 av_freep(&s->top_border);
67
68 76 s->macroblocks = NULL;
69 76 }
70
71 1142 static int vp8_alloc_frame(VP8Context *s, VP8Frame *f, int ref)
72 {
73 int ret;
74
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 1142 if ((ret = ff_thread_get_buffer(s->avctx, &f->tf,
75 ref ? AV_GET_BUFFER_FLAG_REF : 0)) < 0)
76 ✗ return ret;
77
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 1142 if (!(f->seg_map = av_buffer_allocz(s->mb_width * s->mb_height)))
78 ✗ goto fail;
79
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 1142 if (s->avctx->hwaccel) {
80 ✗ const AVHWAccel *hwaccel = s->avctx->hwaccel;
81 ✗ if (hwaccel->frame_priv_data_size) {
82 ✗ f->hwaccel_priv_buf = av_buffer_allocz(hwaccel->frame_priv_data_size);
83 ✗ if (!f->hwaccel_priv_buf)
84 ✗ goto fail;
85 ✗ f->hwaccel_picture_private = f->hwaccel_priv_buf->data;
86 }
87 }
88 1142 return 0;
89
90 ✗ fail:
91 ✗ av_buffer_unref(&f->seg_map);
92 ✗ ff_thread_release_buffer(s->avctx, &f->tf);
93 ✗ return AVERROR(ENOMEM);
94 }
95
96 1413 static void vp8_release_frame(VP8Context *s, VP8Frame *f)
97 {
98 1413 av_buffer_unref(&f->seg_map);
99 1413 av_buffer_unref(&f->hwaccel_priv_buf);
100 1413 f->hwaccel_picture_private = NULL;
101 1413 ff_thread_release_buffer(s->avctx, &f->tf);
102 1413 }
103
104 #if CONFIG_VP8_DECODER
105 ✗ static int vp8_ref_frame(VP8Context *s, VP8Frame *dst, VP8Frame *src)
106 {
107 int ret;
108
109 ✗ vp8_release_frame(s, dst);
110
111 ✗ if ((ret = ff_thread_ref_frame(&dst->tf, &src->tf)) < 0)
112 ✗ return ret;
113 ✗ if (src->seg_map &&
114 ✗ !(dst->seg_map = av_buffer_ref(src->seg_map))) {
115 ✗ vp8_release_frame(s, dst);
116 ✗ return AVERROR(ENOMEM);
117 }
118 ✗ if (src->hwaccel_picture_private) {
119 ✗ dst->hwaccel_priv_buf = av_buffer_ref(src->hwaccel_priv_buf);
120 ✗ if (!dst->hwaccel_priv_buf)
121 ✗ return AVERROR(ENOMEM);
122 ✗ dst->hwaccel_picture_private = dst->hwaccel_priv_buf->data;
123 }
124
125 ✗ return 0;
126 }
127 #endif /* CONFIG_VP8_DECODER */
128
129 76 static void vp8_decode_flush_impl(AVCodecContext *avctx, int free_mem)
130 {
131 76 VP8Context *s = avctx->priv_data;
132 int i;
133
134
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 456 for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++)
135 380 vp8_release_frame(s, &s->frames[i]);
136 76 memset(s->framep, 0, sizeof(s->framep));
137
138
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 76 if (free_mem)
139 76 free_buffers(s);
140 76 }
141
142 ✗ static void vp8_decode_flush(AVCodecContext *avctx)
143 {
144 ✗ vp8_decode_flush_impl(avctx, 0);
145 }
146
147 1142 static VP8Frame *vp8_find_free_buffer(VP8Context *s)
148 {
149 1142 VP8Frame *frame = NULL;
150 int i;
151
152 // find a free buffer
153
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 2793 for (i = 0; i < 5; i++)
154
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 2793 if (&s->frames[i] != s->framep[VP56_FRAME_CURRENT] &&
155
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 2203 &s->frames[i] != s->framep[VP56_FRAME_PREVIOUS] &&
156
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 2202 &s->frames[i] != s->framep[VP56_FRAME_GOLDEN] &&
157
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 1600 &s->frames[i] != s->framep[VP56_FRAME_GOLDEN2]) {
158 1142 frame = &s->frames[i];
159 1142 break;
160 }
161
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 1142 if (i == 5) {
162 ✗ av_log(s->avctx, AV_LOG_FATAL, "Ran out of free frames!\n");
163 ✗ abort();
164 }
165
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 1142 if (frame->tf.f->buf[0])
166 ✗ vp8_release_frame(s, frame);
167
168 1142 return frame;
169 }
170
171 21 static enum AVPixelFormat get_pixel_format(VP8Context *s)
172 {
173 21 enum AVPixelFormat pix_fmts[] = {
174 #if CONFIG_VP8_VAAPI_HWACCEL
175 AV_PIX_FMT_VAAPI,
176 #endif
177 #if CONFIG_VP8_NVDEC_HWACCEL
178 AV_PIX_FMT_CUDA,
179 #endif
180 AV_PIX_FMT_YUV420P,
181 AV_PIX_FMT_NONE,
182 };
183
184 21 return ff_get_format(s->avctx, pix_fmts);
185 }
186
187 static av_always_inline
188 37 int update_dimensions(VP8Context *s, int width, int height, int is_vp7)
189 {
190 37 AVCodecContext *avctx = s->avctx;
191 37 int i, ret, dim_reset = 0;
192
193
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 37 if (width != s->avctx->width || ((width+15)/16 != s->mb_width || (height+15)/16 != s->mb_height) && s->macroblocks_base ||
194
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 24 height != s->avctx->height) {
195 13 vp8_decode_flush_impl(s->avctx, 1);
196
197 13 ret = ff_set_dimensions(s->avctx, width, height);
198
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 13 if (ret < 0)
199 ✗ return ret;
200
201 13 dim_reset = (s->macroblocks_base != NULL);
202 }
203
204
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 37 if ((s->pix_fmt == AV_PIX_FMT_NONE || dim_reset) &&
205
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 28 !s->actually_webp && !is_vp7) {
206 21 s->pix_fmt = get_pixel_format(s);
207
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 21 if (s->pix_fmt < 0)
208 ✗ return AVERROR(EINVAL);
209 21 avctx->pix_fmt = s->pix_fmt;
210 }
211
212 37 s->mb_width = (s->avctx->coded_width + 15) / 16;
213 37 s->mb_height = (s->avctx->coded_height + 15) / 16;
214
215
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 37 s->mb_layout = is_vp7 || avctx->active_thread_type == FF_THREAD_SLICE &&
216 ✗ avctx->thread_count > 1;
217
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 37 if (!s->mb_layout) { // Frame threading and one thread
218 36 s->macroblocks_base = av_mallocz((s->mb_width + s->mb_height * 2 + 1) *
219 sizeof(*s->macroblocks));
220 36 s->intra4x4_pred_mode_top = av_mallocz(s->mb_width * 4);
221 } else // Sliced threading
222 1 s->macroblocks_base = av_mallocz((s->mb_width + 2) * (s->mb_height + 2) *
223 sizeof(*s->macroblocks));
224 37 s->top_nnz = av_mallocz(s->mb_width * sizeof(*s->top_nnz));
225 37 s->top_border = av_mallocz((s->mb_width + 1) * sizeof(*s->top_border));
226 37 s->thread_data = av_mallocz(MAX_THREADS * sizeof(VP8ThreadData));
227
228
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 37 if (!s->macroblocks_base || !s->top_nnz || !s->top_border ||
229
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 37 !s->thread_data || (!s->intra4x4_pred_mode_top && !s->mb_layout)) {
230 ✗ free_buffers(s);
231 ✗ return AVERROR(ENOMEM);
232 }
233
234
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 333 for (i = 0; i < MAX_THREADS; i++) {
235 592 s->thread_data[i].filter_strength =
236 296 av_mallocz(s->mb_width * sizeof(*s->thread_data[0].filter_strength));
237
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 296 if (!s->thread_data[i].filter_strength) {
238 ✗ free_buffers(s);
239 ✗ return AVERROR(ENOMEM);
240 }
241 #if HAVE_THREADS
242 296 pthread_mutex_init(&s->thread_data[i].lock, NULL);
243 296 pthread_cond_init(&s->thread_data[i].cond, NULL);
244 #endif
245 }
246
247 37 s->macroblocks = s->macroblocks_base + 1;
248
249 37 return 0;
250 }
251
252 1 static int vp7_update_dimensions(VP8Context *s, int width, int height)
253 {
254 1 return update_dimensions(s, width, height, IS_VP7);
255 }
256
257 36 static int vp8_update_dimensions(VP8Context *s, int width, int height)
258 {
259 36 return update_dimensions(s, width, height, IS_VP8);
260 }
261
262
263 433 static void parse_segment_info(VP8Context *s)
264 {
265 433 VP56RangeCoder *c = &s->c;
266 int i;
267
268 433 s->segmentation.update_map = vp8_rac_get(c);
269 433 s->segmentation.update_feature_data = vp8_rac_get(c);
270
271
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 433 if (s->segmentation.update_feature_data) {
272 68 s->segmentation.absolute_vals = vp8_rac_get(c);
273
274
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 340 for (i = 0; i < 4; i++)
275 272 s->segmentation.base_quant[i] = vp8_rac_get_sint(c, 7);
276
277
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 340 for (i = 0; i < 4; i++)
278 272 s->segmentation.filter_level[i] = vp8_rac_get_sint(c, 6);
279 }
280
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 433 if (s->segmentation.update_map)
281
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 272 for (i = 0; i < 3; i++)
282
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 204 s->prob->segmentid[i] = vp8_rac_get(c) ? vp8_rac_get_uint(c, 8) : 255;
283 433 }
284
285 42 static void update_lf_deltas(VP8Context *s)
286 {
287 42 VP56RangeCoder *c = &s->c;
288 int i;
289
290
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 210 for (i = 0; i < 4; i++) {
291
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 168 if (vp8_rac_get(c)) {
292 126 s->lf_delta.ref[i] = vp8_rac_get_uint(c, 6);
293
294
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 126 if (vp8_rac_get(c))
295 84 s->lf_delta.ref[i] = -s->lf_delta.ref[i];
296 }
297 }
298
299
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 210 for (i = MODE_I4x4; i <= VP8_MVMODE_SPLIT; i++) {
300
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 168 if (vp8_rac_get(c)) {
301 168 s->lf_delta.mode[i] = vp8_rac_get_uint(c, 6);
302
303
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 168 if (vp8_rac_get(c))
304 42 s->lf_delta.mode[i] = -s->lf_delta.mode[i];
305 }
306 }
307 42 }
308
309 1112 static int setup_partitions(VP8Context *s, const uint8_t *buf, int buf_size)
310 {
311 1112 const uint8_t *sizes = buf;
312 int i;
313 int ret;
314
315 1112 s->num_coeff_partitions = 1 << vp8_rac_get_uint(&s->c, 2);
316
317 1112 buf += 3 * (s->num_coeff_partitions - 1);
318 1112 buf_size -= 3 * (s->num_coeff_partitions - 1);
319
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 1112 if (buf_size < 0)
320 ✗ return -1;
321
322
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 1451 for (i = 0; i < s->num_coeff_partitions - 1; i++) {
323 339 int size = AV_RL24(sizes + 3 * i);
324
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 339 if (buf_size - size < 0)
325 ✗ return -1;
326 339 s->coeff_partition_size[i] = size;
327
328 339 ret = ff_vp56_init_range_decoder(&s->coeff_partition[i], buf, size);
329
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 339 if (ret < 0)
330 ✗ return ret;
331 339 buf += size;
332 339 buf_size -= size;
333 }
334
335 1112 s->coeff_partition_size[i] = buf_size;
336 1112 ff_vp56_init_range_decoder(&s->coeff_partition[i], buf, buf_size);
337
338 1112 return 0;
339 }
340
341 30 static void vp7_get_quants(VP8Context *s)
342 {
343 30 VP56RangeCoder *c = &s->c;
344
345 30 int yac_qi = vp8_rac_get_uint(c, 7);
346
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 30 int ydc_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi;
347
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 30 int y2dc_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi;
348
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 30 int y2ac_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi;
349
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 30 int uvdc_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi;
350
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 30 int uvac_qi = vp8_rac_get(c) ? vp8_rac_get_uint(c, 7) : yac_qi;
351
352 30 s->qmat[0].luma_qmul[0] = vp7_ydc_qlookup[ydc_qi];
353 30 s->qmat[0].luma_qmul[1] = vp7_yac_qlookup[yac_qi];
354 30 s->qmat[0].luma_dc_qmul[0] = vp7_y2dc_qlookup[y2dc_qi];
355 30 s->qmat[0].luma_dc_qmul[1] = vp7_y2ac_qlookup[y2ac_qi];
356 30 s->qmat[0].chroma_qmul[0] = FFMIN(vp7_ydc_qlookup[uvdc_qi], 132);
357 30 s->qmat[0].chroma_qmul[1] = vp7_yac_qlookup[uvac_qi];
358 30 }
359
360 1112 static void vp8_get_quants(VP8Context *s)
361 {
362 1112 VP56RangeCoder *c = &s->c;
363 int i, base_qi;
364
365 1112 s->quant.yac_qi = vp8_rac_get_uint(c, 7);
366 1112 s->quant.ydc_delta = vp8_rac_get_sint(c, 4);
367 1112 s->quant.y2dc_delta = vp8_rac_get_sint(c, 4);
368 1112 s->quant.y2ac_delta = vp8_rac_get_sint(c, 4);
369 1112 s->quant.uvdc_delta = vp8_rac_get_sint(c, 4);
370 1112 s->quant.uvac_delta = vp8_rac_get_sint(c, 4);
371
372
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 5560 for (i = 0; i < 4; i++) {
373
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 4448 if (s->segmentation.enabled) {
374 1732 base_qi = s->segmentation.base_quant[i];
375
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 1732 if (!s->segmentation.absolute_vals)
376 1608 base_qi += s->quant.yac_qi;
377 } else
378 2716 base_qi = s->quant.yac_qi;
379
380 4448 s->qmat[i].luma_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + s->quant.ydc_delta, 7)];
381 4448 s->qmat[i].luma_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi, 7)];
382 4448 s->qmat[i].luma_dc_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + s->quant.y2dc_delta, 7)] * 2;
383 /* 101581>>16 is equivalent to 155/100 */
384 4448 s->qmat[i].luma_dc_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi + s->quant.y2ac_delta, 7)] * 101581 >> 16;
385 4448 s->qmat[i].chroma_qmul[0] = vp8_dc_qlookup[av_clip_uintp2(base_qi + s->quant.uvdc_delta, 7)];
386 4448 s->qmat[i].chroma_qmul[1] = vp8_ac_qlookup[av_clip_uintp2(base_qi + s->quant.uvac_delta, 7)];
387
388 4448 s->qmat[i].luma_dc_qmul[1] = FFMAX(s->qmat[i].luma_dc_qmul[1], 8);
389 4448 s->qmat[i].chroma_qmul[0] = FFMIN(s->qmat[i].chroma_qmul[0], 132);
390 }
391 1112 }
392
393 /**
394 * Determine which buffers golden and altref should be updated with after this frame.
395 * The spec isn't clear here, so I'm going by my understanding of what libvpx does
396 *
397 * Intra frames update all 3 references
398 * Inter frames update VP56_FRAME_PREVIOUS if the update_last flag is set
399 * If the update (golden|altref) flag is set, it's updated with the current frame
400 * if update_last is set, and VP56_FRAME_PREVIOUS otherwise.
401 * If the flag is not set, the number read means:
402 * 0: no update
403 * 1: VP56_FRAME_PREVIOUS
404 * 2: update golden with altref, or update altref with golden
405 */
406 2128 static VP56Frame ref_to_update(VP8Context *s, int update, VP56Frame ref)
407 {
408 2128 VP56RangeCoder *c = &s->c;
409
410
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 2128 if (update)
411 90 return VP56_FRAME_CURRENT;
412
413
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 2038 switch (vp8_rac_get_uint(c, 2)) {
414 31 case 1:
415 31 return VP56_FRAME_PREVIOUS;
416 84 case 2:
417
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 84 return (ref == VP56_FRAME_GOLDEN) ? VP56_FRAME_GOLDEN2 : VP56_FRAME_GOLDEN;
418 }
419 1923 return VP56_FRAME_NONE;
420 }
421
422 49 static void vp78_reset_probability_tables(VP8Context *s)
423 {
424 int i, j;
425
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 245 for (i = 0; i < 4; i++)
426
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 3332 for (j = 0; j < 16; j++)
427 3136 memcpy(s->prob->token[i][j], vp8_token_default_probs[i][vp8_coeff_band[j]],
428 sizeof(s->prob->token[i][j]));
429 49 }
430
431 1142 static void vp78_update_probability_tables(VP8Context *s)
432 {
433 1142 VP56RangeCoder *c = &s->c;
434 int i, j, k, l, m;
435
436
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437
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438
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439
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440
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 1205952 if (vp56_rac_get_prob_branchy(c, vp8_token_update_probs[i][j][k][l])) {
441 7203 int prob = vp8_rac_get_uint(c, 8);
442
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 23838 for (m = 0; vp8_coeff_band_indexes[j][m] >= 0; m++)
443 16635 s->prob->token[i][vp8_coeff_band_indexes[j][m]][k][l] = prob;
444 }
445 1142 }
446
447 #define VP7_MVC_SIZE 17
448 #define VP8_MVC_SIZE 19
449
450 1093 static void vp78_update_pred16x16_pred8x8_mvc_probabilities(VP8Context *s,
451 int mvc_size)
452 {
453 1093 VP56RangeCoder *c = &s->c;
454 int i, j;
455
456
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 1093 if (vp8_rac_get(c))
457
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 10 for (i = 0; i < 4; i++)
458 8 s->prob->pred16x16[i] = vp8_rac_get_uint(c, 8);
459
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 1093 if (vp8_rac_get(c))
460
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 4 for (i = 0; i < 3; i++)
461 3 s->prob->pred8x8c[i] = vp8_rac_get_uint(c, 8);
462
463 // 17.2 MV probability update
464
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465
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466
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 41418 if (vp56_rac_get_prob_branchy(c, vp8_mv_update_prob[i][j]))
467 306 s->prob->mvc[i][j] = vp8_rac_get_nn(c);
468 1093 }
469
470 1064 static void update_refs(VP8Context *s)
471 {
472 1064 VP56RangeCoder *c = &s->c;
473
474 1064 int update_golden = vp8_rac_get(c);
475 1064 int update_altref = vp8_rac_get(c);
476
477 1064 s->update_golden = ref_to_update(s, update_golden, VP56_FRAME_GOLDEN);
478 1064 s->update_altref = ref_to_update(s, update_altref, VP56_FRAME_GOLDEN2);
479 1064 }
480
481 ✗ static void copy_chroma(AVFrame *dst, AVFrame *src, int width, int height)
482 {
483 int i, j;
484
485 ✗ for (j = 1; j < 3; j++) {
486 ✗ for (i = 0; i < height / 2; i++)
487 ✗ memcpy(dst->data[j] + i * dst->linesize[j],
488 ✗ src->data[j] + i * src->linesize[j], width / 2);
489 }
490 }
491
492 ✗ static void fade(uint8_t *dst, ptrdiff_t dst_linesize,
493 const uint8_t *src, ptrdiff_t src_linesize,
494 int width, int height,
495 int alpha, int beta)
496 {
497 int i, j;
498 ✗ for (j = 0; j < height; j++) {
499 ✗ const uint8_t *src2 = src + j * src_linesize;
500 ✗ uint8_t *dst2 = dst + j * dst_linesize;
501 ✗ for (i = 0; i < width; i++) {
502 ✗ uint8_t y = src2[i];
503 ✗ dst2[i] = av_clip_uint8(y + ((y * beta) >> 8) + alpha);
504 }
505 }
506 }
507
508 30 static int vp7_fade_frame(VP8Context *s, int alpha, int beta)
509 {
510 int ret;
511
512
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 30 if (!s->keyframe && (alpha || beta)) {
513 ✗ int width = s->mb_width * 16;
514 ✗ int height = s->mb_height * 16;
515 AVFrame *src, *dst;
516
517 ✗ if (!s->framep[VP56_FRAME_PREVIOUS] ||
518 ✗ !s->framep[VP56_FRAME_GOLDEN]) {
519 ✗ av_log(s->avctx, AV_LOG_WARNING, "Discarding interframe without a prior keyframe!\n");
520 ✗ return AVERROR_INVALIDDATA;
521 }
522
523 ✗ dst =
524 ✗ src = s->framep[VP56_FRAME_PREVIOUS]->tf.f;
525
526 /* preserve the golden frame, write a new previous frame */
527 ✗ if (s->framep[VP56_FRAME_GOLDEN] == s->framep[VP56_FRAME_PREVIOUS]) {
528 ✗ s->framep[VP56_FRAME_PREVIOUS] = vp8_find_free_buffer(s);
529 ✗ if ((ret = vp8_alloc_frame(s, s->framep[VP56_FRAME_PREVIOUS], 1)) < 0)
530 ✗ return ret;
531
532 ✗ dst = s->framep[VP56_FRAME_PREVIOUS]->tf.f;
533
534 ✗ copy_chroma(dst, src, width, height);
535 }
536
537 ✗ fade(dst->data[0], dst->linesize[0],
538 ✗ src->data[0], src->linesize[0],
539 width, height, alpha, beta);
540 }
541
542 30 return 0;
543 }
544
545 30 static int vp7_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
546 {
547 30 VP56RangeCoder *c = &s->c;
548 int part1_size, hscale, vscale, i, j, ret;
549 30 int width = s->avctx->width;
550 30 int height = s->avctx->height;
551 30 int alpha = 0;
552 30 int beta = 0;
553
554
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 30 if (buf_size < 4) {
555 ✗ return AVERROR_INVALIDDATA;
556 }
557
558 30 s->profile = (buf[0] >> 1) & 7;
559
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 30 if (s->profile > 1) {
560 ✗ avpriv_request_sample(s->avctx, "Unknown profile %d", s->profile);
561 ✗ return AVERROR_INVALIDDATA;
562 }
563
564 30 s->keyframe = !(buf[0] & 1);
565 30 s->invisible = 0;
566 30 part1_size = AV_RL24(buf) >> 4;
567
568
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 30 if (buf_size < 4 - s->profile + part1_size) {
569 ✗ av_log(s->avctx, AV_LOG_ERROR, "Buffer size %d is too small, needed : %d\n", buf_size, 4 - s->profile + part1_size);
570 ✗ return AVERROR_INVALIDDATA;
571 }
572
573 30 buf += 4 - s->profile;
574 30 buf_size -= 4 - s->profile;
575
576 30 memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_epel_pixels_tab, sizeof(s->put_pixels_tab));
577
578 30 ret = ff_vp56_init_range_decoder(c, buf, part1_size);
579
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 30 if (ret < 0)
580 ✗ return ret;
581 30 buf += part1_size;
582 30 buf_size -= part1_size;
583
584 /* A. Dimension information (keyframes only) */
585
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 30 if (s->keyframe) {
586 1 width = vp8_rac_get_uint(c, 12);
587 1 height = vp8_rac_get_uint(c, 12);
588 1 hscale = vp8_rac_get_uint(c, 2);
589 1 vscale = vp8_rac_get_uint(c, 2);
590
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 1 if (hscale || vscale)
591 ✗ avpriv_request_sample(s->avctx, "Upscaling");
592
593 1 s->update_golden = s->update_altref = VP56_FRAME_CURRENT;
594 1 vp78_reset_probability_tables(s);
595 1 memcpy(s->prob->pred16x16, vp8_pred16x16_prob_inter,
596 sizeof(s->prob->pred16x16));
597 1 memcpy(s->prob->pred8x8c, vp8_pred8x8c_prob_inter,
598 sizeof(s->prob->pred8x8c));
599
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 3 for (i = 0; i < 2; i++)
600 2 memcpy(s->prob->mvc[i], vp7_mv_default_prob[i],
601 sizeof(vp7_mv_default_prob[i]));
602 1 memset(&s->segmentation, 0, sizeof(s->segmentation));
603 1 memset(&s->lf_delta, 0, sizeof(s->lf_delta));
604 1 memcpy(s->prob[0].scan, ff_zigzag_scan, sizeof(s->prob[0].scan));
605 }
606
607
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 30 if (s->keyframe || s->profile > 0)
608 1 memset(s->inter_dc_pred, 0 , sizeof(s->inter_dc_pred));
609
610 /* B. Decoding information for all four macroblock-level features */
611
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 150 for (i = 0; i < 4; i++) {
612 120 s->feature_enabled[i] = vp8_rac_get(c);
613
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 120 if (s->feature_enabled[i]) {
614 ✗ s->feature_present_prob[i] = vp8_rac_get_uint(c, 8);
615
616 ✗ for (j = 0; j < 3; j++)
617 ✗ s->feature_index_prob[i][j] =
618 ✗ vp8_rac_get(c) ? vp8_rac_get_uint(c, 8) : 255;
619
620 ✗ if (vp7_feature_value_size[s->profile][i])
621 ✗ for (j = 0; j < 4; j++)
622 ✗ s->feature_value[i][j] =
623 ✗ vp8_rac_get(c) ? vp8_rac_get_uint(c, vp7_feature_value_size[s->profile][i]) : 0;
624 }
625 }
626
627 30 s->segmentation.enabled = 0;
628 30 s->segmentation.update_map = 0;
629 30 s->lf_delta.enabled = 0;
630
631 30 s->num_coeff_partitions = 1;
632 30 ret = ff_vp56_init_range_decoder(&s->coeff_partition[0], buf, buf_size);
633
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 30 if (ret < 0)
634 ✗ return ret;
635
636
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 30 if (!s->macroblocks_base || /* first frame */
637
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 29 width != s->avctx->width || height != s->avctx->height ||
638
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 29 (width + 15) / 16 != s->mb_width || (height + 15) / 16 != s->mb_height) {
639
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 1 if ((ret = vp7_update_dimensions(s, width, height)) < 0)
640 ✗ return ret;
641 }
642
643 /* C. Dequantization indices */
644 30 vp7_get_quants(s);
645
646 /* D. Golden frame update flag (a Flag) for interframes only */
647
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 30 if (!s->keyframe) {
648
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 29 s->update_golden = vp8_rac_get(c) ? VP56_FRAME_CURRENT : VP56_FRAME_NONE;
649 29 s->sign_bias[VP56_FRAME_GOLDEN] = 0;
650 }
651
652 30 s->update_last = 1;
653 30 s->update_probabilities = 1;
654 30 s->fade_present = 1;
655
656
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 30 if (s->profile > 0) {
657 ✗ s->update_probabilities = vp8_rac_get(c);
658 ✗ if (!s->update_probabilities)
659 ✗ s->prob[1] = s->prob[0];
660
661 ✗ if (!s->keyframe)
662 ✗ s->fade_present = vp8_rac_get(c);
663 }
664
665
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 30 if (vpX_rac_is_end(c))
666 ✗ return AVERROR_INVALIDDATA;
667 /* E. Fading information for previous frame */
668
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 30 if (s->fade_present && vp8_rac_get(c)) {
669 ✗ alpha = (int8_t) vp8_rac_get_uint(c, 8);
670 ✗ beta = (int8_t) vp8_rac_get_uint(c, 8);
671 }
672
673 /* F. Loop filter type */
674
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 30 if (!s->profile)
675 30 s->filter.simple = vp8_rac_get(c);
676
677 /* G. DCT coefficient ordering specification */
678
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 30 if (vp8_rac_get(c))
679
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 208 for (i = 1; i < 16; i++)
680 195 s->prob[0].scan[i] = ff_zigzag_scan[vp8_rac_get_uint(c, 4)];
681
682 /* H. Loop filter levels */
683
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 30 if (s->profile > 0)
684 ✗ s->filter.simple = vp8_rac_get(c);
685 30 s->filter.level = vp8_rac_get_uint(c, 6);
686 30 s->filter.sharpness = vp8_rac_get_uint(c, 3);
687
688 /* I. DCT coefficient probability update; 13.3 Token Probability Updates */
689 30 vp78_update_probability_tables(s);
690
691 30 s->mbskip_enabled = 0;
692
693 /* J. The remaining frame header data occurs ONLY FOR INTERFRAMES */
694
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 30 if (!s->keyframe) {
695 29 s->prob->intra = vp8_rac_get_uint(c, 8);
696 29 s->prob->last = vp8_rac_get_uint(c, 8);
697 29 vp78_update_pred16x16_pred8x8_mvc_probabilities(s, VP7_MVC_SIZE);
698 }
699
700
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 30 if (vpX_rac_is_end(c))
701 ✗ return AVERROR_INVALIDDATA;
702
703
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 30 if ((ret = vp7_fade_frame(s, alpha, beta)) < 0)
704 ✗ return ret;
705
706 30 return 0;
707 }
708
709 1112 static int vp8_decode_frame_header(VP8Context *s, const uint8_t *buf, int buf_size)
710 {
711 1112 VP56RangeCoder *c = &s->c;
712 int header_size, hscale, vscale, ret;
713 1112 int width = s->avctx->width;
714 1112 int height = s->avctx->height;
715
716
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 1112 if (buf_size < 3) {
717 ✗ av_log(s->avctx, AV_LOG_ERROR, "Insufficent data (%d) for header\n", buf_size);
718 ✗ return AVERROR_INVALIDDATA;
719 }
720
721 1112 s->keyframe = !(buf[0] & 1);
722 1112 s->profile = (buf[0]>>1) & 7;
723 1112 s->invisible = !(buf[0] & 0x10);
724 1112 header_size = AV_RL24(buf) >> 5;
725 1112 buf += 3;
726 1112 buf_size -= 3;
727
728 1112 s->header_partition_size = header_size;
729
730
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 1112 if (s->profile > 3)
731 ✗ av_log(s->avctx, AV_LOG_WARNING, "Unknown profile %d\n", s->profile);
732
733
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 1112 if (!s->profile)
734 956 memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_epel_pixels_tab,
735 sizeof(s->put_pixels_tab));
736 else // profile 1-3 use bilinear, 4+ aren't defined so whatever
737 156 memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_bilinear_pixels_tab,
738 sizeof(s->put_pixels_tab));
739
740
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 1112 if (header_size > buf_size - 7 * s->keyframe) {
741 ✗ av_log(s->avctx, AV_LOG_ERROR, "Header size larger than data provided\n");
742 ✗ return AVERROR_INVALIDDATA;
743 }
744
745
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 1112 if (s->keyframe) {
746
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 48 if (AV_RL24(buf) != 0x2a019d) {
747 ✗ av_log(s->avctx, AV_LOG_ERROR,
748 ✗ "Invalid start code 0x%x\n", AV_RL24(buf));
749 ✗ return AVERROR_INVALIDDATA;
750 }
751 48 width = AV_RL16(buf + 3) & 0x3fff;
752 48 height = AV_RL16(buf + 5) & 0x3fff;
753 48 hscale = buf[4] >> 6;
754 48 vscale = buf[6] >> 6;
755 48 buf += 7;
756 48 buf_size -= 7;
757
758
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 48 if (hscale || vscale)
759 ✗ avpriv_request_sample(s->avctx, "Upscaling");
760
761 48 s->update_golden = s->update_altref = VP56_FRAME_CURRENT;
762 48 vp78_reset_probability_tables(s);
763 48 memcpy(s->prob->pred16x16, vp8_pred16x16_prob_inter,
764 sizeof(s->prob->pred16x16));
765 48 memcpy(s->prob->pred8x8c, vp8_pred8x8c_prob_inter,
766 sizeof(s->prob->pred8x8c));
767 48 memcpy(s->prob->mvc, vp8_mv_default_prob,
768 sizeof(s->prob->mvc));
769 48 memset(&s->segmentation, 0, sizeof(s->segmentation));
770 48 memset(&s->lf_delta, 0, sizeof(s->lf_delta));
771 }
772
773 1112 ret = ff_vp56_init_range_decoder(c, buf, header_size);
774
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 1112 if (ret < 0)
775 ✗ return ret;
776 1112 buf += header_size;
777 1112 buf_size -= header_size;
778
779
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 1112 if (s->keyframe) {
780 48 s->colorspace = vp8_rac_get(c);
781
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 48 if (s->colorspace)
782 ✗ av_log(s->avctx, AV_LOG_WARNING, "Unspecified colorspace\n");
783 48 s->fullrange = vp8_rac_get(c);
784 }
785
786
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 1112 if ((s->segmentation.enabled = vp8_rac_get(c)))
787 433 parse_segment_info(s);
788 else
789 679 s->segmentation.update_map = 0; // FIXME: move this to some init function?
790
791 1112 s->filter.simple = vp8_rac_get(c);
792 1112 s->filter.level = vp8_rac_get_uint(c, 6);
793 1112 s->filter.sharpness = vp8_rac_get_uint(c, 3);
794
795
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 1112 if ((s->lf_delta.enabled = vp8_rac_get(c))) {
796 1106 s->lf_delta.update = vp8_rac_get(c);
797
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 1106 if (s->lf_delta.update)
798 42 update_lf_deltas(s);
799 }
800
801
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 1112 if (setup_partitions(s, buf, buf_size)) {
802 ✗ av_log(s->avctx, AV_LOG_ERROR, "Invalid partitions\n");
803 ✗ return AVERROR_INVALIDDATA;
804 }
805
806
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 1112 if (!s->macroblocks_base || /* first frame */
807
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 1085 width != s->avctx->width || height != s->avctx->height ||
808
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 1076 (width+15)/16 != s->mb_width || (height+15)/16 != s->mb_height)
809
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 36 if ((ret = vp8_update_dimensions(s, width, height)) < 0)
810 ✗ return ret;
811
812 1112 vp8_get_quants(s);
813
814
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 1112 if (!s->keyframe) {
815 1064 update_refs(s);
816 1064 s->sign_bias[VP56_FRAME_GOLDEN] = vp8_rac_get(c);
817 1064 s->sign_bias[VP56_FRAME_GOLDEN2 /* altref */] = vp8_rac_get(c);
818 }
819
820 // if we aren't saving this frame's probabilities for future frames,
821 // make a copy of the current probabilities
822
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 1112 if (!(s->update_probabilities = vp8_rac_get(c)))
823 64 s->prob[1] = s->prob[0];
824
825
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 1112 s->update_last = s->keyframe || vp8_rac_get(c);
826
827 1112 vp78_update_probability_tables(s);
828
829
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 1112 if ((s->mbskip_enabled = vp8_rac_get(c)))
830 1106 s->prob->mbskip = vp8_rac_get_uint(c, 8);
831
832
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 1112 if (!s->keyframe) {
833 1064 s->prob->intra = vp8_rac_get_uint(c, 8);
834 1064 s->prob->last = vp8_rac_get_uint(c, 8);
835 1064 s->prob->golden = vp8_rac_get_uint(c, 8);
836 1064 vp78_update_pred16x16_pred8x8_mvc_probabilities(s, VP8_MVC_SIZE);
837 }
838
839 // Record the entropy coder state here so that hwaccels can use it.
840 1112 s->c.code_word = vp56_rac_renorm(&s->c);
841 1112 s->coder_state_at_header_end.input = s->c.buffer - (-s->c.bits / 8);
842 1112 s->coder_state_at_header_end.range = s->c.high;
843 1112 s->coder_state_at_header_end.value = s->c.code_word >> 16;
844 1112 s->coder_state_at_header_end.bit_count = -s->c.bits % 8;
845
846 1112 return 0;
847 }
848
849 static av_always_inline
850 57174 void clamp_mv(VP8mvbounds *s, VP56mv *dst, const VP56mv *src)
851 {
852 57174 dst->x = av_clip(src->x, av_clip(s->mv_min.x, INT16_MIN, INT16_MAX),
853 av_clip(s->mv_max.x, INT16_MIN, INT16_MAX));
854 57174 dst->y = av_clip(src->y, av_clip(s->mv_min.y, INT16_MIN, INT16_MAX),
855 av_clip(s->mv_max.y, INT16_MIN, INT16_MAX));
856 57174 }
857
858 /**
859 * Motion vector coding, 17.1.
860 */
861 84886 static av_always_inline int read_mv_component(VP56RangeCoder *c, const uint8_t *p, int vp7)
862 {
863 84886 int bit, x = 0;
864
865
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 84886 if (vp56_rac_get_prob_branchy(c, p[0])) {
866 int i;
867
868
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 79804 for (i = 0; i < 3; i++)
869 59853 x += vp56_rac_get_prob(c, p[9 + i]) << i;
870
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 139657 for (i = (vp7 ? 7 : 9); i > 3; i--)
871 119706 x += vp56_rac_get_prob(c, p[9 + i]) << i;
872
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 19951 if (!(x & (vp7 ? 0xF0 : 0xFFF0)) || vp56_rac_get_prob(c, p[12]))
873 13304 x += 8;
874 } else {
875 // small_mvtree
876 64935 const uint8_t *ps = p + 2;
877 64935 bit = vp56_rac_get_prob(c, *ps);
878 64935 ps += 1 + 3 * bit;
879 64935 x += 4 * bit;
880 64935 bit = vp56_rac_get_prob(c, *ps);
881 64935 ps += 1 + bit;
882 64935 x += 2 * bit;
883 64935 x += vp56_rac_get_prob(c, *ps);
884 }
885
886
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 84886 return (x && vp56_rac_get_prob(c, p[1])) ? -x : x;
887 }
888
889 ✗ static int vp7_read_mv_component(VP56RangeCoder *c, const uint8_t *p)
890 {
891 ✗ return read_mv_component(c, p, 1);
892 }
893
894 28388 static int vp8_read_mv_component(VP56RangeCoder *c, const uint8_t *p)
895 {
896 28388 return read_mv_component(c, p, 0);
897 }
898
899 static av_always_inline
900 136556 const uint8_t *get_submv_prob(uint32_t left, uint32_t top, int is_vp7)
901 {
902
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 136556 if (is_vp7)
903 ✗ return vp7_submv_prob;
904
905
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 136556 if (left == top)
906
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 58677 return vp8_submv_prob[4 - !!left];
907
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 77879 if (!top)
908 18933 return vp8_submv_prob[2];
909 58946 return vp8_submv_prob[1 - !!left];
910 }
911
912 /**
913 * Split motion vector prediction, 16.4.
914 * @returns the number of motion vectors parsed (2, 4 or 16)
915 */
916 static av_always_inline
917 18325 int decode_splitmvs(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb,
918 int layout, int is_vp7)
919 {
920 int part_idx;
921 int n, num;
922 VP8Macroblock *top_mb;
923 18325 VP8Macroblock *left_mb = &mb[-1];
924 18325 const uint8_t *mbsplits_left = vp8_mbsplits[left_mb->partitioning];
925 const uint8_t *mbsplits_top, *mbsplits_cur, *firstidx;
926 VP56mv *top_mv;
927 18325 VP56mv *left_mv = left_mb->bmv;
928 18325 VP56mv *cur_mv = mb->bmv;
929
930
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 18325 if (!layout) // layout is inlined, s->mb_layout is not
931 18325 top_mb = &mb[2];
932 else
933 ✗ top_mb = &mb[-s->mb_width - 1];
934 18325 mbsplits_top = vp8_mbsplits[top_mb->partitioning];
935 18325 top_mv = top_mb->bmv;
936
937
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 18325 if (vp56_rac_get_prob_branchy(c, vp8_mbsplit_prob[0])) {
938
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 11713 if (vp56_rac_get_prob_branchy(c, vp8_mbsplit_prob[1]))
939 8044 part_idx = VP8_SPLITMVMODE_16x8 + vp56_rac_get_prob(c, vp8_mbsplit_prob[2]);
940 else
941 3669 part_idx = VP8_SPLITMVMODE_8x8;
942 } else {
943 6612 part_idx = VP8_SPLITMVMODE_4x4;
944 }
945
946 18325 num = vp8_mbsplit_count[part_idx];
947 18325 mbsplits_cur = vp8_mbsplits[part_idx],
948 18325 firstidx = vp8_mbfirstidx[part_idx];
949 18325 mb->partitioning = part_idx;
950
951
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 154881 for (n = 0; n < num; n++) {
952 136556 int k = firstidx[n];
953 uint32_t left, above;
954 const uint8_t *submv_prob;
955
956
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 136556 if (!(k & 3))
957 46739 left = AV_RN32A(&left_mv[mbsplits_left[k + 3]]);
958 else
959 89817 left = AV_RN32A(&cur_mv[mbsplits_cur[k - 1]]);
960
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 136556 if (k <= 3)
961 44965 above = AV_RN32A(&top_mv[mbsplits_top[k + 12]]);
962 else
963 91591 above = AV_RN32A(&cur_mv[mbsplits_cur[k - 4]]);
964
965 136556 submv_prob = get_submv_prob(left, above, is_vp7);
966
967
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 136556 if (vp56_rac_get_prob_branchy(c, submv_prob[0])) {
968
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 50605 if (vp56_rac_get_prob_branchy(c, submv_prob[1])) {
969
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 31737 if (vp56_rac_get_prob_branchy(c, submv_prob[2])) {
970 56498 mb->bmv[n].y = mb->mv.y +
971 28249 read_mv_component(c, s->prob->mvc[0], is_vp7);
972 28249 mb->bmv[n].x = mb->mv.x +
973 28249 read_mv_component(c, s->prob->mvc[1], is_vp7);
974 } else {
975 3488 AV_ZERO32(&mb->bmv[n]);
976 }
977 } else {
978 18868 AV_WN32A(&mb->bmv[n], above);
979 }
980 } else {
981 85951 AV_WN32A(&mb->bmv[n], left);
982 }
983 }
984
985 18325 return num;
986 }
987
988 /**
989 * The vp7 reference decoder uses a padding macroblock column (added to right
990 * edge of the frame) to guard against illegal macroblock offsets. The
991 * algorithm has bugs that permit offsets to straddle the padding column.
992 * This function replicates those bugs.
993 *
994 * @param[out] edge_x macroblock x address
995 * @param[out] edge_y macroblock y address
996 *
997 * @return macroblock offset legal (boolean)
998 */
999 76560 static int vp7_calculate_mb_offset(int mb_x, int mb_y, int mb_width,
1000 int xoffset, int yoffset, int boundary,
1001 int *edge_x, int *edge_y)
1002 {
1003 76560 int vwidth = mb_width + 1;
1004 76560 int new = (mb_y + yoffset) * vwidth + mb_x + xoffset;
1005
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 76560 if (new < boundary || new % vwidth == vwidth - 1)
1006 11861 return 0;
1007 64699 *edge_y = new / vwidth;
1008 64699 *edge_x = new % vwidth;
1009 64699 return 1;
1010 }
1011
1012 64699 static const VP56mv *get_bmv_ptr(const VP8Macroblock *mb, int subblock)
1013 {
1014
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 64699 return &mb->bmv[mb->mode == VP8_MVMODE_SPLIT ? vp8_mbsplits[mb->partitioning][subblock] : 0];
1015 }
1016
1017 static av_always_inline
1018 6380 void vp7_decode_mvs(VP8Context *s, VP8Macroblock *mb,
1019 int mb_x, int mb_y, int layout)
1020 {
1021 VP8Macroblock *mb_edge[12];
1022 enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR };
1023 enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
1024 6380 int idx = CNT_ZERO;
1025 VP56mv near_mv[3];
1026 6380 uint8_t cnt[3] = { 0 };
1027 6380 VP56RangeCoder *c = &s->c;
1028 int i;
1029
1030 6380 AV_ZERO32(&near_mv[0]);
1031 6380 AV_ZERO32(&near_mv[1]);
1032 6380 AV_ZERO32(&near_mv[2]);
1033
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 82940 for (i = 0; i < VP7_MV_PRED_COUNT; i++) {
1035 76560 const VP7MVPred * pred = &vp7_mv_pred[i];
1036 int edge_x, edge_y;
1037
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 76560 if (vp7_calculate_mb_offset(mb_x, mb_y, s->mb_width, pred->xoffset,
1039 76560 pred->yoffset, !s->profile, &edge_x, &edge_y)) {
1040 129398 VP8Macroblock *edge = mb_edge[i] = (s->mb_layout == 1)
1041 64699 ? s->macroblocks_base + 1 + edge_x +
1042 64699 (s->mb_width + 1) * (edge_y + 1)
1043
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 64699 : s->macroblocks + edge_x +
1044 ✗ (s->mb_height - edge_y - 1) * 2;
1045 64699 uint32_t mv = AV_RN32A(get_bmv_ptr(edge, vp7_mv_pred[i].subblock));
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 64699 if (mv) {
1047 ✗ if (AV_RN32A(&near_mv[CNT_NEAREST])) {
1048 ✗ if (mv == AV_RN32A(&near_mv[CNT_NEAREST])) {
1049 ✗ idx = CNT_NEAREST;
1050 ✗ } else if (AV_RN32A(&near_mv[CNT_NEAR])) {
1051 ✗ if (mv != AV_RN32A(&near_mv[CNT_NEAR]))
1052 ✗ continue;
1053 ✗ idx = CNT_NEAR;
1054 } else {
1055 ✗ AV_WN32A(&near_mv[CNT_NEAR], mv);
1056 ✗ idx = CNT_NEAR;
1057 }
1058 } else {
1059 ✗ AV_WN32A(&near_mv[CNT_NEAREST], mv);
1060 ✗ idx = CNT_NEAREST;
1061 }
1062 } else {
1063 64699 idx = CNT_ZERO;
1064 }
1065 } else {
1066 11861 idx = CNT_ZERO;
1067 }
1068 76560 cnt[idx] += vp7_mv_pred[i].score;
1069 }
1070
1071 6380 mb->partitioning = VP8_SPLITMVMODE_NONE;
1072
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 6380 if (vp56_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_ZERO]][0])) {
1074 ✗ mb->mode = VP8_MVMODE_MV;
1075
1076 ✗ if (vp56_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAREST]][1])) {
1077
1078 ✗ if (vp56_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAR]][2])) {
1079
1080 ✗ if (cnt[CNT_NEAREST] > cnt[CNT_NEAR])
1081 ✗ AV_WN32A(&mb->mv, cnt[CNT_ZERO] > cnt[CNT_NEAREST] ? 0 : AV_RN32A(&near_mv[CNT_NEAREST]));
1082 else
1083 ✗ AV_WN32A(&mb->mv, cnt[CNT_ZERO] > cnt[CNT_NEAR] ? 0 : AV_RN32A(&near_mv[CNT_NEAR]));
1084
1085 ✗ if (vp56_rac_get_prob_branchy(c, vp7_mode_contexts[cnt[CNT_NEAR]][3])) {
1086 ✗ mb->mode = VP8_MVMODE_SPLIT;
1087 ✗ mb->mv = mb->bmv[decode_splitmvs(s, c, mb, layout, IS_VP7) - 1];
1088 } else {
1089 ✗ mb->mv.y += vp7_read_mv_component(c, s->prob->mvc[0]);
1090 ✗ mb->mv.x += vp7_read_mv_component(c, s->prob->mvc[1]);
1091 ✗ mb->bmv[0] = mb->mv;
1092 }
1093 } else {
1094 ✗ mb->mv = near_mv[CNT_NEAR];
1095 ✗ mb->bmv[0] = mb->mv;
1096 }
1097 } else {
1098 ✗ mb->mv = near_mv[CNT_NEAREST];
1099 ✗ mb->bmv[0] = mb->mv;
1100 }
1101 } else {
1102 6380 mb->mode = VP8_MVMODE_ZERO;
1103 6380 AV_ZERO32(&mb->mv);
1104 6380 mb->bmv[0] = mb->mv;
1105 }
1106 6380 }
1107
1108 static av_always_inline
1109 379497 void vp8_decode_mvs(VP8Context *s, VP8mvbounds *mv_bounds, VP8Macroblock *mb,
1110 int mb_x, int mb_y, int layout)
1111 {
1112 379497 VP8Macroblock *mb_edge[3] = { 0 /* top */,
1113 379497 mb - 1 /* left */,
1114 0 /* top-left */ };
1115 enum { CNT_ZERO, CNT_NEAREST, CNT_NEAR, CNT_SPLITMV };
1116 enum { VP8_EDGE_TOP, VP8_EDGE_LEFT, VP8_EDGE_TOPLEFT };
1117 379497 int idx = CNT_ZERO;
1118 379497 int cur_sign_bias = s->sign_bias[mb->ref_frame];
1119 379497 int8_t *sign_bias = s->sign_bias;
1120 VP56mv near_mv[4];
1121 379497 uint8_t cnt[4] = { 0 };
1122 379497 VP56RangeCoder *c = &s->c;
1123
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 379497 if (!layout) { // layout is inlined (s->mb_layout is not)
1125 379497 mb_edge[0] = mb + 2;
1126 379497 mb_edge[2] = mb + 1;
1127 } else {
1128 ✗ mb_edge[0] = mb - s->mb_width - 1;
1129 ✗ mb_edge[2] = mb - s->mb_width - 2;
1130 }
1131
1132 379497 AV_ZERO32(&near_mv[0]);
1133 379497 AV_ZERO32(&near_mv[1]);
1134 379497 AV_ZERO32(&near_mv[2]);
1135
1136 /* Process MB on top, left and top-left */
1137 #define MV_EDGE_CHECK(n) \
1138 { \
1139 VP8Macroblock *edge = mb_edge[n]; \
1140 int edge_ref = edge->ref_frame; \
1141 if (edge_ref != VP56_FRAME_CURRENT) { \
1142 uint32_t mv = AV_RN32A(&edge->mv); \
1143 if (mv) { \
1144 if (cur_sign_bias != sign_bias[edge_ref]) { \
1145 /* SWAR negate of the values in mv. */ \
1146 mv = ~mv; \
1147 mv = ((mv & 0x7fff7fff) + \
1148 0x00010001) ^ (mv & 0x80008000); \
1149 } \
1150 if (!n || mv != AV_RN32A(&near_mv[idx])) \
1151 AV_WN32A(&near_mv[++idx], mv); \
1152 cnt[idx] += 1 + (n != 2); \
1153 } else \
1154 cnt[CNT_ZERO] += 1 + (n != 2); \
1155 } \
1156 }
1157
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 379497 MV_EDGE_CHECK(0)
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 379497 MV_EDGE_CHECK(1)
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 379497 MV_EDGE_CHECK(2)
1161
1162 379497 mb->partitioning = VP8_SPLITMVMODE_NONE;
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 379497 if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_ZERO]][0])) {
1164 57174 mb->mode = VP8_MVMODE_MV;
1165
1166 /* If we have three distinct MVs, merge first and last if they're the same */
1167
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 57174 if (cnt[CNT_SPLITMV] &&
1168
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 12759 AV_RN32A(&near_mv[1 + VP8_EDGE_TOP]) == AV_RN32A(&near_mv[1 + VP8_EDGE_TOPLEFT]))
1169 5465 cnt[CNT_NEAREST] += 1;
1170
1171 /* Swap near and nearest if necessary */
1172
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 57174 if (cnt[CNT_NEAR] > cnt[CNT_NEAREST]) {
1173 4482 FFSWAP(uint8_t, cnt[CNT_NEAREST], cnt[CNT_NEAR]);
1174 4482 FFSWAP( VP56mv, near_mv[CNT_NEAREST], near_mv[CNT_NEAR]);
1175 }
1176
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 57174 if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAREST]][1])) {
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 37607 if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_NEAR]][2])) {
1179 /* Choose the best mv out of 0,0 and the nearest mv */
1180 32519 clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_ZERO + (cnt[CNT_NEAREST] >= cnt[CNT_ZERO])]);
1181 32519 cnt[CNT_SPLITMV] = ((mb_edge[VP8_EDGE_LEFT]->mode == VP8_MVMODE_SPLIT) +
1182 32519 (mb_edge[VP8_EDGE_TOP]->mode == VP8_MVMODE_SPLIT)) * 2 +
1183 32519 (mb_edge[VP8_EDGE_TOPLEFT]->mode == VP8_MVMODE_SPLIT);
1184
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 32519 if (vp56_rac_get_prob_branchy(c, vp8_mode_contexts[cnt[CNT_SPLITMV]][3])) {
1186 18325 mb->mode = VP8_MVMODE_SPLIT;
1187 18325 mb->mv = mb->bmv[decode_splitmvs(s, c, mb, layout, IS_VP8) - 1];
1188 } else {
1189 14194 mb->mv.y += vp8_read_mv_component(c, s->prob->mvc[0]);
1190 14194 mb->mv.x += vp8_read_mv_component(c, s->prob->mvc[1]);
1191 14194 mb->bmv[0] = mb->mv;
1192 }
1193 } else {
1194 5088 clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_NEAR]);
1195 5088 mb->bmv[0] = mb->mv;
1196 }
1197 } else {
1198 19567 clamp_mv(mv_bounds, &mb->mv, &near_mv[CNT_NEAREST]);
1199 19567 mb->bmv[0] = mb->mv;
1200 }
1201 } else {
1202 322323 mb->mode = VP8_MVMODE_ZERO;
1203 322323 AV_ZERO32(&mb->mv);
1204 322323 mb->bmv[0] = mb->mv;
1205 }
1206 379497 }
1207
1208 static av_always_inline
1209 17675 void decode_intra4x4_modes(VP8Context *s, VP56RangeCoder *c, VP8Macroblock *mb,
1210 int mb_x, int keyframe, int layout)
1211 {
1212 17675 uint8_t *intra4x4 = mb->intra4x4_pred_mode_mb;
1213
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 17675 if (layout) {
1215 33 VP8Macroblock *mb_top = mb - s->mb_width - 1;
1216 33 memcpy(mb->intra4x4_pred_mode_top, mb_top->intra4x4_pred_mode_top, 4);
1217 }
1218
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 17675 if (keyframe) {
1219 int x, y;
1220 uint8_t *top;
1221 10822 uint8_t *const left = s->intra4x4_pred_mode_left;
1222
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 10822 if (layout)
1223 33 top = mb->intra4x4_pred_mode_top;
1224 else
1225 10789 top = s->intra4x4_pred_mode_top + 4 * mb_x;
1226
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 54110 for (y = 0; y < 4; y++) {
1227
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 216440 for (x = 0; x < 4; x++) {
1228 const uint8_t *ctx;
1229 173152 ctx = vp8_pred4x4_prob_intra[top[x]][left[y]];
1230 173152 *intra4x4 = vp8_rac_get_tree(c, vp8_pred4x4_tree, ctx);
1231 173152 left[y] = top[x] = *intra4x4;
1232 173152 intra4x4++;
1233 }
1234 }
1235 } else {
1236 int i;
1237
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 116501 for (i = 0; i < 16; i++)
1238 109648 intra4x4[i] = vp8_rac_get_tree(c, vp8_pred4x4_tree,
1239 vp8_pred4x4_prob_inter);
1240 }
1241 17675 }
1242
1243 static av_always_inline
1244 443209 void decode_mb_mode(VP8Context *s, VP8mvbounds *mv_bounds,
1245 VP8Macroblock *mb, int mb_x, int mb_y,
1246 uint8_t *segment, uint8_t *ref, int layout, int is_vp7)
1247 {
1248 443209 VP56RangeCoder *c = &s->c;
1249 static const char * const vp7_feature_name[] = { "q-index",
1250 "lf-delta",
1251 "partial-golden-update",
1252 "blit-pitch" };
1253
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 443209 if (is_vp7) {
1254 int i;
1255 6600 *segment = 0;
1256
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 33000 for (i = 0; i < 4; i++) {
1257
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 26400 if (s->feature_enabled[i]) {
1258 ✗ if (vp56_rac_get_prob_branchy(c, s->feature_present_prob[i])) {
1259 ✗ int index = vp8_rac_get_tree(c, vp7_feature_index_tree,
1260 ✗ s->feature_index_prob[i]);
1261 ✗ av_log(s->avctx, AV_LOG_WARNING,
1262 "Feature %s present in macroblock (value 0x%x)\n",
1263 ✗ vp7_feature_name[i], s->feature_value[i][index]);
1264 }
1265 }
1266 }
1267
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 436609 } else if (s->segmentation.update_map) {
1268 8289 int bit = vp56_rac_get_prob(c, s->prob->segmentid[0]);
1269 8289 *segment = vp56_rac_get_prob(c, s->prob->segmentid[1+bit]) + 2*bit;
1270
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 428320 } else if (s->segmentation.enabled)
1271
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 94425 *segment = ref ? *ref : *segment;
1272 443209 mb->segment = *segment;
1273
1274
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 443209 mb->skip = s->mbskip_enabled ? vp56_rac_get_prob(c, s->prob->mbskip) : 0;
1275
1276
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 443209 if (s->keyframe) {
1277 32872 mb->mode = vp8_rac_get_tree(c, vp8_pred16x16_tree_intra,
1278 vp8_pred16x16_prob_intra);
1279
1280
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 32872 if (mb->mode == MODE_I4x4) {
1281 10822 decode_intra4x4_modes(s, c, mb, mb_x, 1, layout);
1282 } else {
1283 22050 const uint32_t modes = (is_vp7 ? vp7_pred4x4_mode
1284
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 22050 : vp8_pred4x4_mode)[mb->mode] * 0x01010101u;
1285
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 22050 if (s->mb_layout)
1286 187 AV_WN32A(mb->intra4x4_pred_mode_top, modes);
1287 else
1288 21863 AV_WN32A(s->intra4x4_pred_mode_top + 4 * mb_x, modes);
1289 22050 AV_WN32A(s->intra4x4_pred_mode_left, modes);
1290 }
1291
1292 32872 mb->chroma_pred_mode = vp8_rac_get_tree(c, vp8_pred8x8c_tree,
1293 vp8_pred8x8c_prob_intra);
1294 32872 mb->ref_frame = VP56_FRAME_CURRENT;
1295
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 410337 } else if (vp56_rac_get_prob_branchy(c, s->prob->intra)) {
1296 // inter MB, 16.2
1297
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 385877 if (vp56_rac_get_prob_branchy(c, s->prob->last))
1298
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 34528 mb->ref_frame =
1299
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 17248 (!is_vp7 && vp56_rac_get_prob(c, s->prob->golden)) ? VP56_FRAME_GOLDEN2 /* altref */
1300 : VP56_FRAME_GOLDEN;
1301 else
1302 368597 mb->ref_frame = VP56_FRAME_PREVIOUS;
1303 385877 s->ref_count[mb->ref_frame - 1]++;
1304
1305 // motion vectors, 16.3
1306
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 385877 if (is_vp7)
1307 6380 vp7_decode_mvs(s, mb, mb_x, mb_y, layout);
1308 else
1309 379497 vp8_decode_mvs(s, mv_bounds, mb, mb_x, mb_y, layout);
1310 } else {
1311 // intra MB, 16.1
1312 24460 mb->mode = vp8_rac_get_tree(c, vp8_pred16x16_tree_inter, s->prob->pred16x16);
1313
1314
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 24460 if (mb->mode == MODE_I4x4)
1315 6853 decode_intra4x4_modes(s, c, mb, mb_x, 0, layout);
1316
1317 48920 mb->chroma_pred_mode = vp8_rac_get_tree(c, vp8_pred8x8c_tree,
1318 24460 s->prob->pred8x8c);
1319 24460 mb->ref_frame = VP56_FRAME_CURRENT;
1320 24460 mb->partitioning = VP8_SPLITMVMODE_NONE;
1321 24460 AV_ZERO32(&mb->bmv[0]);
1322 }
1323 443209 }
1324
1325 /**
1326 * @param r arithmetic bitstream reader context
1327 * @param block destination for block coefficients
1328 * @param probs probabilities to use when reading trees from the bitstream
1329 * @param i initial coeff index, 0 unless a separate DC block is coded
1330 * @param qmul array holding the dc/ac dequant factor at position 0/1
1331 *
1332 * @return 0 if no coeffs were decoded
1333 * otherwise, the index of the last coeff decoded plus one
1334 */
1335 static av_always_inline
1336 393067 int decode_block_coeffs_internal(VP56RangeCoder *r, int16_t block[16],
1337 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1338 int i, uint8_t *token_prob, int16_t qmul[2],
1339 const uint8_t scan[16], int vp7)
1340 {
1341 393067 VP56RangeCoder c = *r;
1342 393067 goto skip_eob;
1343 do {
1344 int coeff;
1345 1101534 restart:
1346
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 1103653 if (!vp56_rac_get_prob_branchy(&c, token_prob[0])) // DCT_EOB
1347 373414 break;
1348
1349 730239 skip_eob:
1350
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 1956826 if (!vp56_rac_get_prob_branchy(&c, token_prob[1])) { // DCT_0
1351
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 835639 if (++i == 16)
1352 ✗ break; // invalid input; blocks should end with EOB
1353 835639 token_prob = probs[i][0];
1354
2/2
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 835639 if (vp7)
1355 2119 goto restart;
1356 833520 goto skip_eob;
1357 }
1358
1359
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 1121187 if (!vp56_rac_get_prob_branchy(&c, token_prob[2])) { // DCT_1
1360 719461 coeff = 1;
1361 719461 token_prob = probs[i + 1][1];
1362 } else {
1363
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 401726 if (!vp56_rac_get_prob_branchy(&c, token_prob[3])) { // DCT 2,3,4
1364 274407 coeff = vp56_rac_get_prob_branchy(&c, token_prob[4]);
1365
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 274407 if (coeff)
1366 113420 coeff += vp56_rac_get_prob(&c, token_prob[5]);
1367 274407 coeff += 2;
1368 } else {
1369 // DCT_CAT*
1370
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 127319 if (!vp56_rac_get_prob_branchy(&c, token_prob[6])) {
1371
2/2
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✓ Branch 2 taken 38226 times.
 83429 if (!vp56_rac_get_prob_branchy(&c, token_prob[7])) { // DCT_CAT1
1372 45203 coeff = 5 + vp56_rac_get_prob(&c, vp8_dct_cat1_prob[0]);
1373 } else { // DCT_CAT2
1374 38226 coeff = 7;
1375 38226 coeff += vp56_rac_get_prob(&c, vp8_dct_cat2_prob[0]) << 1;
1376 38226 coeff += vp56_rac_get_prob(&c, vp8_dct_cat2_prob[1]);
1377 }
1378 } else { // DCT_CAT3 and up
1379 43890 int a = vp56_rac_get_prob(&c, token_prob[8]);
1380 43890 int b = vp56_rac_get_prob(&c, token_prob[9 + a]);
1381 43890 int cat = (a << 1) + b;
1382 43890 coeff = 3 + (8 << cat);
1383 43890 coeff += vp8_rac_get_coeff(&c, ff_vp8_dct_cat_prob[cat]);
1384 }
1385 }
1386 401726 token_prob = probs[i + 1][2];
1387 }
1388
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 1121187 block[scan[i]] = (vp8_rac_get(&c) ? -coeff : coeff) * qmul[!!i];
1389
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 1121187 } while (++i < 16);
1390
1391 393067 *r = c;
1392 393067 return i;
1393 }
1394
1395 static av_always_inline
1396 6380 int inter_predict_dc(int16_t block[16], int16_t pred[2])
1397 {
1398 6380 int16_t dc = block[0];
1399 6380 int ret = 0;
1400
1401
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 6380 if (pred[1] > 3) {
1402 ✗ dc += pred[0];
1403 ✗ ret = 1;
1404 }
1405
1406
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 6380 if (!pred[0] | !dc | ((int32_t)pred[0] ^ (int32_t)dc) >> 31) {
1407 6380 block[0] = pred[0] = dc;
1408 6380 pred[1] = 0;
1409 } else {
1410 ✗ if (pred[0] == dc)
1411 ✗ pred[1]++;
1412 ✗ block[0] = pred[0] = dc;
1413 }
1414
1415 6380 return ret;
1416 }
1417
1418 734 static int vp7_decode_block_coeffs_internal(VP56RangeCoder *r,
1419 int16_t block[16],
1420 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1421 int i, uint8_t *token_prob,
1422 int16_t qmul[2],
1423 const uint8_t scan[16])
1424 {
1425 734 return decode_block_coeffs_internal(r, block, probs, i,
1426 token_prob, qmul, scan, IS_VP7);
1427 }
1428
1429 #ifndef vp8_decode_block_coeffs_internal
1430 392333 static int vp8_decode_block_coeffs_internal(VP56RangeCoder *r,
1431 int16_t block[16],
1432 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1433 int i, uint8_t *token_prob,
1434 int16_t qmul[2])
1435 {
1436 392333 return decode_block_coeffs_internal(r, block, probs, i,
1437 token_prob, qmul, ff_zigzag_scan, IS_VP8);
1438 }
1439 #endif
1440
1441 /**
1442 * @param c arithmetic bitstream reader context
1443 * @param block destination for block coefficients
1444 * @param probs probabilities to use when reading trees from the bitstream
1445 * @param i initial coeff index, 0 unless a separate DC block is coded
1446 * @param zero_nhood the initial prediction context for number of surrounding
1447 * all-zero blocks (only left/top, so 0-2)
1448 * @param qmul array holding the dc/ac dequant factor at position 0/1
1449 * @param scan scan pattern (VP7 only)
1450 *
1451 * @return 0 if no coeffs were decoded
1452 * otherwise, the index of the last coeff decoded plus one
1453 */
1454 static av_always_inline
1455 2050151 int decode_block_coeffs(VP56RangeCoder *c, int16_t block[16],
1456 uint8_t probs[16][3][NUM_DCT_TOKENS - 1],
1457 int i, int zero_nhood, int16_t qmul[2],
1458 const uint8_t scan[16], int vp7)
1459 {
1460 2050151 uint8_t *token_prob = probs[i][zero_nhood];
1461
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 2050151 if (!vp56_rac_get_prob_branchy(c, token_prob[0])) // DCT_EOB
1462 1657084 return 0;
1463 734 return vp7 ? vp7_decode_block_coeffs_internal(c, block, probs, i,
1464 token_prob, qmul, scan)
1465
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 393801 : vp8_decode_block_coeffs_internal(c, block, probs, i,
1466 token_prob, qmul);
1467 }
1468
1469 static av_always_inline
1470 83297 void decode_mb_coeffs(VP8Context *s, VP8ThreadData *td, VP56RangeCoder *c,
1471 VP8Macroblock *mb, uint8_t t_nnz[9], uint8_t l_nnz[9],
1472 int is_vp7)
1473 {
1474 83297 int i, x, y, luma_start = 0, luma_ctx = 3;
1475 83297 int nnz_pred, nnz, nnz_total = 0;
1476 83297 int segment = mb->segment;
1477 83297 int block_dc = 0;
1478
1479
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 83297 if (mb->mode != MODE_I4x4 && (is_vp7 || mb->mode != VP8_MVMODE_SPLIT)) {
1480 51023 nnz_pred = t_nnz[8] + l_nnz[8];
1481
1482 // decode DC values and do hadamard
1483 51023 nnz = decode_block_coeffs(c, td->block_dc, s->prob->token[1], 0,
1484 51023 nnz_pred, s->qmat[segment].luma_dc_qmul,
1485 ff_zigzag_scan, is_vp7);
1486 51023 l_nnz[8] = t_nnz[8] = !!nnz;
1487
1488
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 51023 if (is_vp7 && mb->mode > MODE_I4x4) {
1489 6380 nnz |= inter_predict_dc(td->block_dc,
1490 6380 s->inter_dc_pred[mb->ref_frame - 1]);
1491 }
1492
1493
2/2
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 51023 if (nnz) {
1494 34741 nnz_total += nnz;
1495 34741 block_dc = 1;
1496
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 34741 if (nnz == 1)
1497 10303 s->vp8dsp.vp8_luma_dc_wht_dc(td->block, td->block_dc);
1498 else
1499 24438 s->vp8dsp.vp8_luma_dc_wht(td->block, td->block_dc);
1500 }
1501 51023 luma_start = 1;
1502 51023 luma_ctx = 0;
1503 }
1504
1505 // luma blocks
1506
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 416485 for (y = 0; y < 4; y++)
1507
2/2
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 1665940 for (x = 0; x < 4; x++) {
1508 1332752 nnz_pred = l_nnz[y] + t_nnz[x];
1509 1332752 nnz = decode_block_coeffs(c, td->block[y][x],
1510 1332752 s->prob->token[luma_ctx],
1511 luma_start, nnz_pred,
1512 1332752 s->qmat[segment].luma_qmul,
1513 1332752 s->prob[0].scan, is_vp7);
1514 /* nnz+block_dc may be one more than the actual last index,
1515 * but we don't care */
1516 1332752 td->non_zero_count_cache[y][x] = nnz + block_dc;
1517 1332752 t_nnz[x] = l_nnz[y] = !!nnz;
1518 1332752 nnz_total += nnz;
1519 }
1520
1521 // chroma blocks
1522 // TODO: what to do about dimensions? 2nd dim for luma is x,
1523 // but for chroma it's (y<<1)|x
1524
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 249891 for (i = 4; i < 6; i++)
1525
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 499782 for (y = 0; y < 2; y++)
1526
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 999564 for (x = 0; x < 2; x++) {
1527 666376 nnz_pred = l_nnz[i + 2 * y] + t_nnz[i + 2 * x];
1528 666376 nnz = decode_block_coeffs(c, td->block[i][(y << 1) + x],
1529 666376 s->prob->token[2], 0, nnz_pred,
1530 666376 s->qmat[segment].chroma_qmul,
1531 666376 s->prob[0].scan, is_vp7);
1532 666376 td->non_zero_count_cache[i][(y << 1) + x] = nnz;
1533 666376 t_nnz[i + 2 * x] = l_nnz[i + 2 * y] = !!nnz;
1534 666376 nnz_total += nnz;
1535 }
1536
1537 // if there were no coded coeffs despite the macroblock not being marked skip,
1538 // we MUST not do the inner loop filter and should not do IDCT
1539 // Since skip isn't used for bitstream prediction, just manually set it.
1540
2/2
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 83297 if (!nnz_total)
1541 6457 mb->skip = 1;
1542 83297 }
1543
1544 static av_always_inline
1545 424229 void backup_mb_border(uint8_t *top_border, uint8_t *src_y,
1546 uint8_t *src_cb, uint8_t *src_cr,
1547 ptrdiff_t linesize, ptrdiff_t uvlinesize, int simple)
1548 {
1549 424229 AV_COPY128(top_border, src_y + 15 * linesize);
1550
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 424229 if (!simple) {
1551 416507 AV_COPY64(top_border + 16, src_cb + 7 * uvlinesize);
1552 416507 AV_COPY64(top_border + 24, src_cr + 7 * uvlinesize);
1553 }
1554 424229 }
1555
1556 static av_always_inline
1557 84130 void xchg_mb_border(uint8_t *top_border, uint8_t *src_y, uint8_t *src_cb,
1558 uint8_t *src_cr, ptrdiff_t linesize, ptrdiff_t uvlinesize, int mb_x,
1559 int mb_y, int mb_width, int simple, int xchg)
1560 {
1561 84130 uint8_t *top_border_m1 = top_border - 32; // for TL prediction
1562 84130 src_y -= linesize;
1563 84130 src_cb -= uvlinesize;
1564 84130 src_cr -= uvlinesize;
1565
1566 #define XCHG(a, b, xchg) \
1567 do { \
1568 if (xchg) \
1569 AV_SWAP64(b, a); \
1570 else \
1571 AV_COPY64(b, a); \
1572 } while (0)
1573
1574
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 84130 XCHG(top_border_m1 + 8, src_y - 8, xchg);
1575
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 84130 XCHG(top_border, src_y, xchg);
1576 84130 XCHG(top_border + 8, src_y + 8, 1);
1577
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 84130 if (mb_x < mb_width - 1)
1578 80706 XCHG(top_border + 32, src_y + 16, 1);
1579
1580 // only copy chroma for normal loop filter
1581 // or to initialize the top row to 127
1582
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 84130 if (!simple || !mb_y) {
1583
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 81048 XCHG(top_border_m1 + 16, src_cb - 8, xchg);
1584
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 81048 XCHG(top_border_m1 + 24, src_cr - 8, xchg);
1585 81048 XCHG(top_border + 16, src_cb, 1);
1586 81048 XCHG(top_border + 24, src_cr, 1);
1587 }
1588 84130 }
1589
1590 static av_always_inline
1591 72888 int check_dc_pred8x8_mode(int mode, int mb_x, int mb_y)
1592 {
1593
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 72888 if (!mb_x)
1594
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 3029 return mb_y ? TOP_DC_PRED8x8 : DC_128_PRED8x8;
1595 else
1596
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 69859 return mb_y ? mode : LEFT_DC_PRED8x8;
1597 }
1598
1599 static av_always_inline
1600 1809 int check_tm_pred8x8_mode(int mode, int mb_x, int mb_y, int vp7)
1601 {
1602
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 1809 if (!mb_x)
1603
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 1 return mb_y ? VERT_PRED8x8 : (vp7 ? DC_128_PRED8x8 : DC_129_PRED8x8);
1604 else
1605
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 1808 return mb_y ? mode : HOR_PRED8x8;
1606 }
1607
1608 static av_always_inline
1609 96989 int check_intra_pred8x8_mode_emuedge(int mode, int mb_x, int mb_y, int vp7)
1610 {
1611
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 96989 switch (mode) {
1612 72888 case DC_PRED8x8:
1613 72888 return check_dc_pred8x8_mode(mode, mb_x, mb_y);
1614 5757 case VERT_PRED8x8:
1615
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 5757 return !mb_y ? (vp7 ? DC_128_PRED8x8 : DC_127_PRED8x8) : mode;
1616 16535 case HOR_PRED8x8:
1617
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 16535 return !mb_x ? (vp7 ? DC_128_PRED8x8 : DC_129_PRED8x8) : mode;
1618 1809 case PLANE_PRED8x8: /* TM */
1619 1809 return check_tm_pred8x8_mode(mode, mb_x, mb_y, vp7);
1620 }
1621 ✗ return mode;
1622 }
1623
1624 static av_always_inline
1625 49009 int check_tm_pred4x4_mode(int mode, int mb_x, int mb_y, int vp7)
1626 {
1627
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 49009 if (!mb_x) {
1628
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 1362 return mb_y ? VERT_VP8_PRED : (vp7 ? DC_128_PRED : DC_129_PRED);
1629 } else {
1630
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 47647 return mb_y ? mode : HOR_VP8_PRED;
1631 }
1632 }
1633
1634 static av_always_inline
1635 282800 int check_intra_pred4x4_mode_emuedge(int mode, int mb_x, int mb_y,
1636 int *copy_buf, int vp7)
1637 {
1638
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 282800 switch (mode) {
1639 13608 case VERT_PRED:
1640
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 13608 if (!mb_x && mb_y) {
1641 95 *copy_buf = 1;
1642 95 return mode;
1643 }
1644 /* fall-through */
1645 case DIAG_DOWN_LEFT_PRED:
1646 case VERT_LEFT_PRED:
1647
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 34820 return !mb_y ? (vp7 ? DC_128_PRED : DC_127_PRED) : mode;
1648 19464 case HOR_PRED:
1649
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 19464 if (!mb_y) {
1650 128 *copy_buf = 1;
1651 128 return mode;
1652 }
1653 /* fall-through */
1654 case HOR_UP_PRED:
1655
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 31686 return !mb_x ? (vp7 ? DC_128_PRED : DC_129_PRED) : mode;
1656 49009 case TM_VP8_PRED:
1657 49009 return check_tm_pred4x4_mode(mode, mb_x, mb_y, vp7);
1658 167062 case DC_PRED: /* 4x4 DC doesn't use the same "H.264-style" exceptions
1659 * as 16x16/8x8 DC */
1660 case DIAG_DOWN_RIGHT_PRED:
1661 case VERT_RIGHT_PRED:
1662 case HOR_DOWN_PRED:
1663
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 167062 if (!mb_y || !mb_x)
1664 1140 *copy_buf = 1;
1665 167062 return mode;
1666 }
1667 ✗ return mode;
1668 }
1669
1670 static av_always_inline
1671 57332 void intra_predict(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3],
1672 VP8Macroblock *mb, int mb_x, int mb_y, int is_vp7)
1673 {
1674 int x, y, mode, nnz;
1675 uint32_t tr;
1676
1677 /* for the first row, we need to run xchg_mb_border to init the top edge
1678 * to 127 otherwise, skip it if we aren't going to deblock */
1679
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 57332 if (mb_y && (s->deblock_filter || !mb_y) && td->thread_nr == 0)
1680 42065 xchg_mb_border(s->top_border[mb_x + 1], dst[0], dst[1], dst[2],
1681 42065 s->linesize, s->uvlinesize, mb_x, mb_y, s->mb_width,
1682 42065 s->filter.simple, 1);
1683
1684
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 57332 if (mb->mode < MODE_I4x4) {
1685 39657 mode = check_intra_pred8x8_mode_emuedge(mb->mode, mb_x, mb_y, is_vp7);
1686 39657 s->hpc.pred16x16[mode](dst[0], s->linesize);
1687 } else {
1688 17675 uint8_t *ptr = dst[0];
1689 17675 uint8_t *intra4x4 = mb->intra4x4_pred_mode_mb;
1690
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 17675 const uint8_t lo = is_vp7 ? 128 : 127;
1691
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 17675 const uint8_t hi = is_vp7 ? 128 : 129;
1692 17675 uint8_t tr_top[4] = { lo, lo, lo, lo };
1693
1694 // all blocks on the right edge of the macroblock use bottom edge
1695 // the top macroblock for their topright edge
1696 17675 uint8_t *tr_right = ptr - s->linesize + 16;
1697
1698 // if we're on the right edge of the frame, said edge is extended
1699 // from the top macroblock
1700
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 17675 if (mb_y && mb_x == s->mb_width - 1) {
1701 635 tr = tr_right[-1] * 0x01010101u;
1702 635 tr_right = (uint8_t *) &tr;
1703 }
1704
1705
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 17675 if (mb->skip)
1706 460 AV_ZERO128(td->non_zero_count_cache);
1707
1708
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 88375 for (y = 0; y < 4; y++) {
1709 70700 uint8_t *topright = ptr + 4 - s->linesize;
1710
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 353500 for (x = 0; x < 4; x++) {
1711 282800 int copy = 0;
1712 282800 ptrdiff_t linesize = s->linesize;
1713 282800 uint8_t *dst = ptr + 4 * x;
1714 282800 LOCAL_ALIGNED(4, uint8_t, copy_dst, [5 * 8]);
1715
1716
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 282800 if ((y == 0 || x == 3) && mb_y == 0) {
1717 4417 topright = tr_top;
1718
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 278383 } else if (x == 3)
1719 68176 topright = tr_right;
1720
1721 282800 mode = check_intra_pred4x4_mode_emuedge(intra4x4[x], mb_x + x,
1722 mb_y + y, &copy, is_vp7);
1723
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 282800 if (copy) {
1724 1363 dst = copy_dst + 12;
1725 1363 linesize = 8;
1726
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 1363 if (!(mb_y + y)) {
1727 702 copy_dst[3] = lo;
1728 702 AV_WN32A(copy_dst + 4, lo * 0x01010101U);
1729 } else {
1730 661 AV_COPY32(copy_dst + 4, ptr + 4 * x - s->linesize);
1731
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 661 if (!(mb_x + x)) {
1732 661 copy_dst[3] = hi;
1733 } else {
1734 ✗ copy_dst[3] = ptr[4 * x - s->linesize - 1];
1735 }
1736 }
1737
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 1363 if (!(mb_x + x)) {
1738 702 copy_dst[11] =
1739 702 copy_dst[19] =
1740 702 copy_dst[27] =
1741 702 copy_dst[35] = hi;
1742 } else {
1743 661 copy_dst[11] = ptr[4 * x - 1];
1744 661 copy_dst[19] = ptr[4 * x + s->linesize - 1];
1745 661 copy_dst[27] = ptr[4 * x + s->linesize * 2 - 1];
1746 661 copy_dst[35] = ptr[4 * x + s->linesize * 3 - 1];
1747 }
1748 }
1749 282800 s->hpc.pred4x4[mode](dst, topright, linesize);
1750
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 282800 if (copy) {
1751 1363 AV_COPY32(ptr + 4 * x, copy_dst + 12);
1752 1363 AV_COPY32(ptr + 4 * x + s->linesize, copy_dst + 20);
1753 1363 AV_COPY32(ptr + 4 * x + s->linesize * 2, copy_dst + 28);
1754 1363 AV_COPY32(ptr + 4 * x + s->linesize * 3, copy_dst + 36);
1755 }
1756
1757 282800 nnz = td->non_zero_count_cache[y][x];
1758
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 282800 if (nnz) {
1759
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 122340 if (nnz == 1)
1760 35131 s->vp8dsp.vp8_idct_dc_add(ptr + 4 * x,
1761 35131 td->block[y][x], s->linesize);
1762 else
1763 87209 s->vp8dsp.vp8_idct_add(ptr + 4 * x,
1764 87209 td->block[y][x], s->linesize);
1765 }
1766 282800 topright += 4;
1767 }
1768
1769 70700 ptr += 4 * s->linesize;
1770 70700 intra4x4 += 4;
1771 }
1772 }
1773
1774 57332 mode = check_intra_pred8x8_mode_emuedge(mb->chroma_pred_mode,
1775 mb_x, mb_y, is_vp7);
1776 57332 s->hpc.pred8x8[mode](dst[1], s->uvlinesize);
1777 57332 s->hpc.pred8x8[mode](dst[2], s->uvlinesize);
1778
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 57332 if (mb_y && (s->deblock_filter || !mb_y) && td->thread_nr == 0)
1780 42065 xchg_mb_border(s->top_border[mb_x + 1], dst[0], dst[1], dst[2],
1781 42065 s->linesize, s->uvlinesize, mb_x, mb_y, s->mb_width,
1782 42065 s->filter.simple, 0);
1783 57332 }
1784
1785 static const uint8_t subpel_idx[3][8] = {
1786 { 0, 1, 2, 1, 2, 1, 2, 1 }, // nr. of left extra pixels,
1787 // also function pointer index
1788 { 0, 3, 5, 3, 5, 3, 5, 3 }, // nr. of extra pixels required
1789 { 0, 2, 3, 2, 3, 2, 3, 2 }, // nr. of right extra pixels
1790 };
1791
1792 /**
1793 * luma MC function
1794 *
1795 * @param s VP8 decoding context
1796 * @param dst target buffer for block data at block position
1797 * @param ref reference picture buffer at origin (0, 0)
1798 * @param mv motion vector (relative to block position) to get pixel data from
1799 * @param x_off horizontal position of block from origin (0, 0)
1800 * @param y_off vertical position of block from origin (0, 0)
1801 * @param block_w width of block (16, 8 or 4)
1802 * @param block_h height of block (always same as block_w)
1803 * @param width width of src/dst plane data
1804 * @param height height of src/dst plane data
1805 * @param linesize size of a single line of plane data, including padding
1806 * @param mc_func motion compensation function pointers (bilinear or sixtap MC)
1807 */
1808 static av_always_inline
1809 504108 void vp8_mc_luma(VP8Context *s, VP8ThreadData *td, uint8_t *dst,
1810 ThreadFrame *ref, const VP56mv *mv,
1811 int x_off, int y_off, int block_w, int block_h,
1812 int width, int height, ptrdiff_t linesize,
1813 vp8_mc_func mc_func[3][3])
1814 {
1815 504108 uint8_t *src = ref->f->data[0];
1816
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 504108 if (AV_RN32A(mv)) {
1818 124886 ptrdiff_t src_linesize = linesize;
1819
1820 124886 int mx = (mv->x * 2) & 7, mx_idx = subpel_idx[0][mx];
1821 124886 int my = (mv->y * 2) & 7, my_idx = subpel_idx[0][my];
1822
1823 124886 x_off += mv->x >> 2;
1824 124886 y_off += mv->y >> 2;
1825
1826 // edge emulation
1827 124886 ff_thread_await_progress(ref, (3 + y_off + block_h + subpel_idx[2][my]) >> 4, 0);
1828 124886 src += y_off * linesize + x_off;
1829
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 124886 if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
1830
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 118693 y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
1831 9236 s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
1832 9236 src - my_idx * linesize - mx_idx,
1833 EDGE_EMU_LINESIZE, linesize,
1834 9236 block_w + subpel_idx[1][mx],
1835 9236 block_h + subpel_idx[1][my],
1836 x_off - mx_idx, y_off - my_idx,
1837 width, height);
1838 9236 src = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
1839 9236 src_linesize = EDGE_EMU_LINESIZE;
1840 }
1841 124886 mc_func[my_idx][mx_idx](dst, linesize, src, src_linesize, block_h, mx, my);
1842 } else {
1843 379222 ff_thread_await_progress(ref, (3 + y_off + block_h) >> 4, 0);
1844 379222 mc_func[0][0](dst, linesize, src + y_off * linesize + x_off,
1845 linesize, block_h, 0, 0);
1846 }
1847 504108 }
1848
1849 /**
1850 * chroma MC function
1851 *
1852 * @param s VP8 decoding context
1853 * @param dst1 target buffer for block data at block position (U plane)
1854 * @param dst2 target buffer for block data at block position (V plane)
1855 * @param ref reference picture buffer at origin (0, 0)
1856 * @param mv motion vector (relative to block position) to get pixel data from
1857 * @param x_off horizontal position of block from origin (0, 0)
1858 * @param y_off vertical position of block from origin (0, 0)
1859 * @param block_w width of block (16, 8 or 4)
1860 * @param block_h height of block (always same as block_w)
1861 * @param width width of src/dst plane data
1862 * @param height height of src/dst plane data
1863 * @param linesize size of a single line of plane data, including padding
1864 * @param mc_func motion compensation function pointers (bilinear or sixtap MC)
1865 */
1866 static av_always_inline
1867 424764 void vp8_mc_chroma(VP8Context *s, VP8ThreadData *td, uint8_t *dst1,
1868 uint8_t *dst2, ThreadFrame *ref, const VP56mv *mv,
1869 int x_off, int y_off, int block_w, int block_h,
1870 int width, int height, ptrdiff_t linesize,
1871 vp8_mc_func mc_func[3][3])
1872 {
1873 424764 uint8_t *src1 = ref->f->data[1], *src2 = ref->f->data[2];
1874
1875
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 424764 if (AV_RN32A(mv)) {
1876 79185 int mx = mv->x & 7, mx_idx = subpel_idx[0][mx];
1877 79185 int my = mv->y & 7, my_idx = subpel_idx[0][my];
1878
1879 79185 x_off += mv->x >> 3;
1880 79185 y_off += mv->y >> 3;
1881
1882 // edge emulation
1883 79185 src1 += y_off * linesize + x_off;
1884 79185 src2 += y_off * linesize + x_off;
1885 79185 ff_thread_await_progress(ref, (3 + y_off + block_h + subpel_idx[2][my]) >> 3, 0);
1886
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 79185 if (x_off < mx_idx || x_off >= width - block_w - subpel_idx[2][mx] ||
1887
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 73045 y_off < my_idx || y_off >= height - block_h - subpel_idx[2][my]) {
1888 9157 s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
1889 9157 src1 - my_idx * linesize - mx_idx,
1890 EDGE_EMU_LINESIZE, linesize,
1891 9157 block_w + subpel_idx[1][mx],
1892 9157 block_h + subpel_idx[1][my],
1893 x_off - mx_idx, y_off - my_idx, width, height);
1894 9157 src1 = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
1895 9157 mc_func[my_idx][mx_idx](dst1, linesize, src1, EDGE_EMU_LINESIZE, block_h, mx, my);
1896
1897 9157 s->vdsp.emulated_edge_mc(td->edge_emu_buffer,
1898 9157 src2 - my_idx * linesize - mx_idx,
1899 EDGE_EMU_LINESIZE, linesize,
1900 9157 block_w + subpel_idx[1][mx],
1901 9157 block_h + subpel_idx[1][my],
1902 x_off - mx_idx, y_off - my_idx, width, height);
1903 9157 src2 = td->edge_emu_buffer + mx_idx + EDGE_EMU_LINESIZE * my_idx;
1904 9157 mc_func[my_idx][mx_idx](dst2, linesize, src2, EDGE_EMU_LINESIZE, block_h, mx, my);
1905 } else {
1906 70028 mc_func[my_idx][mx_idx](dst1, linesize, src1, linesize, block_h, mx, my);
1907 70028 mc_func[my_idx][mx_idx](dst2, linesize, src2, linesize, block_h, mx, my);
1908 }
1909 } else {
1910 345579 ff_thread_await_progress(ref, (3 + y_off + block_h) >> 3, 0);
1911 345579 mc_func[0][0](dst1, linesize, src1 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1912 345579 mc_func[0][0](dst2, linesize, src2 + y_off * linesize + x_off, linesize, block_h, 0, 0);
1913 }
1914 424764 }
1915
1916 static av_always_inline
1917 398316 void vp8_mc_part(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3],
1918 ThreadFrame *ref_frame, int x_off, int y_off,
1919 int bx_off, int by_off, int block_w, int block_h,
1920 int width, int height, VP56mv *mv)
1921 {
1922 398316 VP56mv uvmv = *mv;
1923
1924 /* Y */
1925 398316 vp8_mc_luma(s, td, dst[0] + by_off * s->linesize + bx_off,
1926 ref_frame, mv, x_off + bx_off, y_off + by_off,
1927 block_w, block_h, width, height, s->linesize,
1928 398316 s->put_pixels_tab[block_w == 8]);
1929
1930 /* U/V */
1931
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 398316 if (s->profile == 3) {
1932 /* this block only applies VP8; it is safe to check
1933 * only the profile, as VP7 profile <= 1 */
1934 4775 uvmv.x &= ~7;
1935 4775 uvmv.y &= ~7;
1936 }
1937 398316 x_off >>= 1;
1938 398316 y_off >>= 1;
1939 398316 bx_off >>= 1;
1940 398316 by_off >>= 1;
1941 398316 width >>= 1;
1942 398316 height >>= 1;
1943 398316 block_w >>= 1;
1944 398316 block_h >>= 1;
1945 398316 vp8_mc_chroma(s, td, dst[1] + by_off * s->uvlinesize + bx_off,
1946 398316 dst[2] + by_off * s->uvlinesize + bx_off, ref_frame,
1947 &uvmv, x_off + bx_off, y_off + by_off,
1948 block_w, block_h, width, height, s->uvlinesize,
1949
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 398316 s->put_pixels_tab[1 + (block_w == 4)]);
1950 398316 }
1951
1952 /* Fetch pixels for estimated mv 4 macroblocks ahead.
1953 * Optimized for 64-byte cache lines. Inspired by ffh264 prefetch_motion. */
1954 static av_always_inline
1955 1329627 void prefetch_motion(VP8Context *s, VP8Macroblock *mb, int mb_x, int mb_y,
1956 int mb_xy, int ref)
1957 {
1958 /* Don't prefetch refs that haven't been used very often this frame. */
1959
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 1329627 if (s->ref_count[ref - 1] > (mb_xy >> 5)) {
1960 478745 int x_off = mb_x << 4, y_off = mb_y << 4;
1961 478745 int mx = (mb->mv.x >> 2) + x_off + 8;
1962 478745 int my = (mb->mv.y >> 2) + y_off;
1963 478745 uint8_t **src = s->framep[ref]->tf.f->data;
1964 478745 int off = mx + (my + (mb_x & 3) * 4) * s->linesize + 64;
1965 /* For threading, a ff_thread_await_progress here might be useful, but
1966 * it actually slows down the decoder. Since a bad prefetch doesn't
1967 * generate bad decoder output, we don't run it here. */
1968 478745 s->vdsp.prefetch(src[0] + off, s->linesize, 4);
1969 478745 off = (mx >> 1) + ((my >> 1) + (mb_x & 7)) * s->uvlinesize + 64;
1970 478745 s->vdsp.prefetch(src[1] + off, src[2] - src[1], 2);
1971 }
1972 1329627 }
1973
1974 /**
1975 * Apply motion vectors to prediction buffer, chapter 18.
1976 */
1977 static av_always_inline
1978 385877 void inter_predict(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3],
1979 VP8Macroblock *mb, int mb_x, int mb_y)
1980 {
1981 385877 int x_off = mb_x << 4, y_off = mb_y << 4;
1982 385877 int width = 16 * s->mb_width, height = 16 * s->mb_height;
1983 385877 ThreadFrame *ref = &s->framep[mb->ref_frame]->tf;
1984 385877 VP56mv *bmv = mb->bmv;
1985
1986
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 385877 switch (mb->partitioning) {
1987 367552 case VP8_SPLITMVMODE_NONE:
1988 367552 vp8_mc_part(s, td, dst, ref, x_off, y_off,
1989 0, 0, 16, 16, width, height, &mb->mv);
1990 367552 break;
1991 6612 case VP8_SPLITMVMODE_4x4: {
1992 int x, y;
1993 VP56mv uvmv;
1994
1995 /* Y */
1996
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 33060 for (y = 0; y < 4; y++) {
1997
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 132240 for (x = 0; x < 4; x++) {
1998 105792 vp8_mc_luma(s, td, dst[0] + 4 * y * s->linesize + x * 4,
1999 105792 ref, &bmv[4 * y + x],
2000 105792 4 * x + x_off, 4 * y + y_off, 4, 4,
2001 width, height, s->linesize,
2002 105792 s->put_pixels_tab[2]);
2003 }
2004 }
2005
2006 /* U/V */
2007 6612 x_off >>= 1;
2008 6612 y_off >>= 1;
2009 6612 width >>= 1;
2010 6612 height >>= 1;
2011
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 19836 for (y = 0; y < 2; y++) {
2012
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 39672 for (x = 0; x < 2; x++) {
2013 26448 uvmv.x = mb->bmv[2 * y * 4 + 2 * x ].x +
2014 26448 mb->bmv[2 * y * 4 + 2 * x + 1].x +
2015 26448 mb->bmv[(2 * y + 1) * 4 + 2 * x ].x +
2016 26448 mb->bmv[(2 * y + 1) * 4 + 2 * x + 1].x;
2017 26448 uvmv.y = mb->bmv[2 * y * 4 + 2 * x ].y +
2018 26448 mb->bmv[2 * y * 4 + 2 * x + 1].y +
2019 26448 mb->bmv[(2 * y + 1) * 4 + 2 * x ].y +
2020 26448 mb->bmv[(2 * y + 1) * 4 + 2 * x + 1].y;
2021 26448 uvmv.x = (uvmv.x + 2 + FF_SIGNBIT(uvmv.x)) >> 2;
2022 26448 uvmv.y = (uvmv.y + 2 + FF_SIGNBIT(uvmv.y)) >> 2;
2023
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 26448 if (s->profile == 3) {
2024 492 uvmv.x &= ~7;
2025 492 uvmv.y &= ~7;
2026 }
2027 26448 vp8_mc_chroma(s, td, dst[1] + 4 * y * s->uvlinesize + x * 4,
2028 26448 dst[2] + 4 * y * s->uvlinesize + x * 4, ref,
2029 26448 &uvmv, 4 * x + x_off, 4 * y + y_off, 4, 4,
2030 width, height, s->uvlinesize,
2031 26448 s->put_pixels_tab[2]);
2032 }
2033 }
2034 6612 break;
2035 }
2036 4909 case VP8_SPLITMVMODE_16x8:
2037 4909 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2038 0, 0, 16, 8, width, height, &bmv[0]);
2039 4909 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2040 0, 8, 16, 8, width, height, &bmv[1]);
2041 4909 break;
2042 3135 case VP8_SPLITMVMODE_8x16:
2043 3135 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2044 0, 0, 8, 16, width, height, &bmv[0]);
2045 3135 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2046 8, 0, 8, 16, width, height, &bmv[1]);
2047 3135 break;
2048 3669 case VP8_SPLITMVMODE_8x8:
2049 3669 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2050 0, 0, 8, 8, width, height, &bmv[0]);
2051 3669 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2052 8, 0, 8, 8, width, height, &bmv[1]);
2053 3669 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2054 0, 8, 8, 8, width, height, &bmv[2]);
2055 3669 vp8_mc_part(s, td, dst, ref, x_off, y_off,
2056 8, 8, 8, 8, width, height, &bmv[3]);
2057 3669 break;
2058 }
2059 385877 }
2060
2061 static av_always_inline
2062 76840 void idct_mb(VP8Context *s, VP8ThreadData *td, uint8_t *dst[3], VP8Macroblock *mb)
2063 {
2064 int x, y, ch;
2065
2066
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 76840 if (mb->mode != MODE_I4x4) {
2067 59625 uint8_t *y_dst = dst[0];
2068
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✓ Branch 1 taken 59625 times.
 298125 for (y = 0; y < 4; y++) {
2069 238500 uint32_t nnz4 = AV_RL32(td->non_zero_count_cache[y]);
2070
2/2
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 238500 if (nnz4) {
2071
2/2
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✓ Branch 1 taken 130946 times.
 175833 if (nnz4 & ~0x01010101) {
2072
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 155935 for (x = 0; x < 4; x++) {
2073
2/2
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✓ Branch 1 taken 101884 times.
 155935 if ((uint8_t) nnz4 == 1)
2074 54051 s->vp8dsp.vp8_idct_dc_add(y_dst + 4 * x,
2075 54051 td->block[y][x],
2076 s->linesize);
2077
2/2
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 101884 else if ((uint8_t) nnz4 > 1)
2078 74428 s->vp8dsp.vp8_idct_add(y_dst + 4 * x,
2079 74428 td->block[y][x],
2080 s->linesize);
2081 155935 nnz4 >>= 8;
2082
2/2
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✓ Branch 1 taken 111048 times.
 155935 if (!nnz4)
2083 44887 break;
2084 }
2085 } else {
2086 130946 s->vp8dsp.vp8_idct_dc_add4y(y_dst, td->block[y], s->linesize);
2087 }
2088 }
2089 238500 y_dst += 4 * s->linesize;
2090 }
2091 }
2092
2093
2/2
✓ Branch 0 taken 153680 times.
✓ Branch 1 taken 76840 times.
 230520 for (ch = 0; ch < 2; ch++) {
2094 153680 uint32_t nnz4 = AV_RL32(td->non_zero_count_cache[4 + ch]);
2095
2/2
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✓ Branch 1 taken 60025 times.
 153680 if (nnz4) {
2096 60025 uint8_t *ch_dst = dst[1 + ch];
2097
2/2
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✓ Branch 1 taken 30071 times.
 60025 if (nnz4 & ~0x01010101) {
2098
1/2
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 55530 for (y = 0; y < 2; y++) {
2099
2/2
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 131913 for (x = 0; x < 2; x++) {
2100
2/2
✓ Branch 0 taken 16054 times.
✓ Branch 1 taken 90283 times.
 106337 if ((uint8_t) nnz4 == 1)
2101 16054 s->vp8dsp.vp8_idct_dc_add(ch_dst + 4 * x,
2102 16054 td->block[4 + ch][(y << 1) + x],
2103 s->uvlinesize);
2104
2/2
✓ Branch 0 taken 66922 times.
✓ Branch 1 taken 23361 times.
 90283 else if ((uint8_t) nnz4 > 1)
2105 66922 s->vp8dsp.vp8_idct_add(ch_dst + 4 * x,
2106 66922 td->block[4 + ch][(y << 1) + x],
2107 s->uvlinesize);
2108 106337 nnz4 >>= 8;
2109
2/2
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✓ Branch 1 taken 76383 times.
 106337 if (!nnz4)
2110 29954 goto chroma_idct_end;
2111 }
2112 25576 ch_dst += 4 * s->uvlinesize;
2113 }
2114 } else {
2115 30071 s->vp8dsp.vp8_idct_dc_add4uv(ch_dst, td->block[4 + ch], s->uvlinesize);
2116 }
2117 }
2118 153680 chroma_idct_end:
2119 ;
2120 }
2121 76840 }
2122
2123 static av_always_inline
2124 424229 void filter_level_for_mb(VP8Context *s, VP8Macroblock *mb,
2125 VP8FilterStrength *f, int is_vp7)
2126 {
2127 int interior_limit, filter_level;
2128
2129
2/2
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✓ Branch 1 taken 322010 times.
 424229 if (s->segmentation.enabled) {
2130 102219 filter_level = s->segmentation.filter_level[mb->segment];
2131
2/2
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✓ Branch 1 taken 3324 times.
 102219 if (!s->segmentation.absolute_vals)
2132 98895 filter_level += s->filter.level;
2133 } else
2134 322010 filter_level = s->filter.level;
2135
2136
2/2
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✓ Branch 1 taken 7354 times.
 424229 if (s->lf_delta.enabled) {
2137 416875 filter_level += s->lf_delta.ref[mb->ref_frame];
2138 416875 filter_level += s->lf_delta.mode[mb->mode];
2139 }
2140
2141 424229 filter_level = av_clip_uintp2(filter_level, 6);
2142
2143 424229 interior_limit = filter_level;
2144
2/2
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✓ Branch 1 taken 421457 times.
 424229 if (s->filter.sharpness) {
2145 2772 interior_limit >>= (s->filter.sharpness + 3) >> 2;
2146 2772 interior_limit = FFMIN(interior_limit, 9 - s->filter.sharpness);
2147 }
2148 424229 interior_limit = FFMAX(interior_limit, 1);
2149
2150 424229 f->filter_level = filter_level;
2151 424229 f->inner_limit = interior_limit;
2152
6/6
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✓ Branch 4 taken 353031 times.
✓ Branch 5 taken 288 times.
 777260 f->inner_filter = is_vp7 || !mb->skip || mb->mode == MODE_I4x4 ||
2153
2/2
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✓ Branch 1 taken 349794 times.
 353031 mb->mode == VP8_MVMODE_SPLIT;
2154 424229 }
2155
2156 static av_always_inline
2157 416507 void filter_mb(VP8Context *s, uint8_t *dst[3], VP8FilterStrength *f,
2158 int mb_x, int mb_y, int is_vp7)
2159 {
2160 int mbedge_lim, bedge_lim_y, bedge_lim_uv, hev_thresh;
2161 416507 int filter_level = f->filter_level;
2162 416507 int inner_limit = f->inner_limit;
2163 416507 int inner_filter = f->inner_filter;
2164 416507 ptrdiff_t linesize = s->linesize;
2165 416507 ptrdiff_t uvlinesize = s->uvlinesize;
2166 static const uint8_t hev_thresh_lut[2][64] = {
2167 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2168 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2169 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
2170 3, 3, 3, 3 },
2171 { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2172 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2173 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2174 2, 2, 2, 2 }
2175 };
2176
2177
2/2
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 416507 if (!filter_level)
2178 5858 return;
2179
2180
2/2
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✓ Branch 1 taken 404049 times.
 410649 if (is_vp7) {
2181 6600 bedge_lim_y = filter_level;
2182 6600 bedge_lim_uv = filter_level * 2;
2183 6600 mbedge_lim = filter_level + 2;
2184 } else {
2185 404049 bedge_lim_y =
2186 404049 bedge_lim_uv = filter_level * 2 + inner_limit;
2187 404049 mbedge_lim = bedge_lim_y + 4;
2188 }
2189
2190 410649 hev_thresh = hev_thresh_lut[s->keyframe][filter_level];
2191
2192
2/2
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✓ Branch 1 taken 14105 times.
 410649 if (mb_x) {
2193 396544 s->vp8dsp.vp8_h_loop_filter16y(dst[0], linesize,
2194 mbedge_lim, inner_limit, hev_thresh);
2195 396544 s->vp8dsp.vp8_h_loop_filter8uv(dst[1], dst[2], uvlinesize,
2196 mbedge_lim, inner_limit, hev_thresh);
2197 }
2198
2199 #define H_LOOP_FILTER_16Y_INNER(cond) \
2200 if (cond && inner_filter) { \
2201 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 4, linesize, \
2202 bedge_lim_y, inner_limit, \
2203 hev_thresh); \
2204 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 8, linesize, \
2205 bedge_lim_y, inner_limit, \
2206 hev_thresh); \
2207 s->vp8dsp.vp8_h_loop_filter16y_inner(dst[0] + 12, linesize, \
2208 bedge_lim_y, inner_limit, \
2209 hev_thresh); \
2210 s->vp8dsp.vp8_h_loop_filter8uv_inner(dst[1] + 4, dst[2] + 4, \
2211 uvlinesize, bedge_lim_uv, \
2212 inner_limit, hev_thresh); \
2213 }
2214
2215
4/4
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✓ Branch 3 taken 341445 times.
 410649 H_LOOP_FILTER_16Y_INNER(!is_vp7)
2216
2217
2/2
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✓ Branch 1 taken 21014 times.
 410649 if (mb_y) {
2218 389635 s->vp8dsp.vp8_v_loop_filter16y(dst[0], linesize,
2219 mbedge_lim, inner_limit, hev_thresh);
2220 389635 s->vp8dsp.vp8_v_loop_filter8uv(dst[1], dst[2], uvlinesize,
2221 mbedge_lim, inner_limit, hev_thresh);
2222 }
2223
2224
2/2
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 410649 if (inner_filter) {
2225 69204 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 4 * linesize,
2226 linesize, bedge_lim_y,
2227 inner_limit, hev_thresh);
2228 69204 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 8 * linesize,
2229 linesize, bedge_lim_y,
2230 inner_limit, hev_thresh);
2231 69204 s->vp8dsp.vp8_v_loop_filter16y_inner(dst[0] + 12 * linesize,
2232 linesize, bedge_lim_y,
2233 inner_limit, hev_thresh);
2234 69204 s->vp8dsp.vp8_v_loop_filter8uv_inner(dst[1] + 4 * uvlinesize,
2235 69204 dst[2] + 4 * uvlinesize,
2236 uvlinesize, bedge_lim_uv,
2237 inner_limit, hev_thresh);
2238 }
2239
2240
3/4
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✓ Branch 2 taken 6600 times.
✗ Branch 3 not taken.
 410649 H_LOOP_FILTER_16Y_INNER(is_vp7)
2241 }
2242
2243 static av_always_inline
2244 7722 void filter_mb_simple(VP8Context *s, uint8_t *dst, VP8FilterStrength *f,
2245 int mb_x, int mb_y)
2246 {
2247 int mbedge_lim, bedge_lim;
2248 7722 int filter_level = f->filter_level;
2249 7722 int inner_limit = f->inner_limit;
2250 7722 int inner_filter = f->inner_filter;
2251 7722 ptrdiff_t linesize = s->linesize;
2252
2253
2/2
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✓ Branch 1 taken 7390 times.
 7722 if (!filter_level)
2254 332 return;
2255
2256 7390 bedge_lim = 2 * filter_level + inner_limit;
2257 7390 mbedge_lim = bedge_lim + 4;
2258
2259
2/2
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✓ Branch 1 taken 677 times.
 7390 if (mb_x)
2260 6713 s->vp8dsp.vp8_h_loop_filter_simple(dst, linesize, mbedge_lim);
2261
2/2
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✓ Branch 1 taken 3867 times.
 7390 if (inner_filter) {
2262 3523 s->vp8dsp.vp8_h_loop_filter_simple(dst + 4, linesize, bedge_lim);
2263 3523 s->vp8dsp.vp8_h_loop_filter_simple(dst + 8, linesize, bedge_lim);
2264 3523 s->vp8dsp.vp8_h_loop_filter_simple(dst + 12, linesize, bedge_lim);
2265 }
2266
2267
2/2
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✓ Branch 1 taken 781 times.
 7390 if (mb_y)
2268 6609 s->vp8dsp.vp8_v_loop_filter_simple(dst, linesize, mbedge_lim);
2269
2/2
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✓ Branch 1 taken 3867 times.
 7390 if (inner_filter) {
2270 3523 s->vp8dsp.vp8_v_loop_filter_simple(dst + 4 * linesize, linesize, bedge_lim);
2271 3523 s->vp8dsp.vp8_v_loop_filter_simple(dst + 8 * linesize, linesize, bedge_lim);
2272 3523 s->vp8dsp.vp8_v_loop_filter_simple(dst + 12 * linesize, linesize, bedge_lim);
2273 }
2274 }
2275
2276 #define MARGIN (16 << 2)
2277 static av_always_inline
2278 30 int vp78_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *curframe,
2279 VP8Frame *prev_frame, int is_vp7)
2280 {
2281 30 VP8Context *s = avctx->priv_data;
2282 int mb_x, mb_y;
2283
2284 30 s->mv_bounds.mv_min.y = -MARGIN;
2285 30 s->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
2286
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 360 for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
2287 330 VP8Macroblock *mb = s->macroblocks_base +
2288 330 ((s->mb_width + 1) * (mb_y + 1) + 1);
2289 330 int mb_xy = mb_y * s->mb_width;
2290
2291 330 AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED * 0x01010101);
2292
2293 330 s->mv_bounds.mv_min.x = -MARGIN;
2294 330 s->mv_bounds.mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
2295
2296
2/2
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✓ Branch 1 taken 330 times.
 6930 for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
2297
1/2
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✓ Branch 2 taken 6600 times.
 6600 if (vpX_rac_is_end(&s->c)) {
2298 ✗ return AVERROR_INVALIDDATA;
2299 }
2300
2/2
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✓ Branch 1 taken 6000 times.
 6600 if (mb_y == 0)
2301 600 AV_WN32A((mb - s->mb_width - 1)->intra4x4_pred_mode_top,
2302 DC_PRED * 0x01010101);
2303
2/2
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✓ Branch 1 taken 220 times.
 12980 decode_mb_mode(s, &s->mv_bounds, mb, mb_x, mb_y, curframe->seg_map->data + mb_xy,
2304
1/2
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✗ Branch 1 not taken.
 6380 prev_frame && prev_frame->seg_map ?
2305 6380 prev_frame->seg_map->data + mb_xy : NULL, 1, is_vp7);
2306 6600 s->mv_bounds.mv_min.x -= 64;
2307 6600 s->mv_bounds.mv_max.x -= 64;
2308 }
2309 330 s->mv_bounds.mv_min.y -= 64;
2310 330 s->mv_bounds.mv_max.y -= 64;
2311 }
2312 30 return 0;
2313 }
2314
2315 30 static int vp7_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame,
2316 VP8Frame *prev_frame)
2317 {
2318 30 return vp78_decode_mv_mb_modes(avctx, cur_frame, prev_frame, IS_VP7);
2319 }
2320
2321 ✗ static int vp8_decode_mv_mb_modes(AVCodecContext *avctx, VP8Frame *cur_frame,
2322 VP8Frame *prev_frame)
2323 {
2324 ✗ return vp78_decode_mv_mb_modes(avctx, cur_frame, prev_frame, IS_VP8);
2325 }
2326
2327 #if HAVE_THREADS
2328 #define check_thread_pos(td, otd, mb_x_check, mb_y_check) \
2329 do { \
2330 int tmp = (mb_y_check << 16) | (mb_x_check & 0xFFFF); \
2331 if (atomic_load(&otd->thread_mb_pos) < tmp) { \
2332 pthread_mutex_lock(&otd->lock); \
2333 atomic_store(&td->wait_mb_pos, tmp); \
2334 do { \
2335 if (atomic_load(&otd->thread_mb_pos) >= tmp) \
2336 break; \
2337 pthread_cond_wait(&otd->cond, &otd->lock); \
2338 } while (1); \
2339 atomic_store(&td->wait_mb_pos, INT_MAX); \
2340 pthread_mutex_unlock(&otd->lock); \
2341 } \
2342 } while (0)
2343
2344 #define update_pos(td, mb_y, mb_x) \
2345 do { \
2346 int pos = (mb_y << 16) | (mb_x & 0xFFFF); \
2347 int sliced_threading = (avctx->active_thread_type == FF_THREAD_SLICE) && \
2348 (num_jobs > 1); \
2349 int is_null = !next_td || !prev_td; \
2350 int pos_check = (is_null) ? 1 : \
2351 (next_td != td && pos >= atomic_load(&next_td->wait_mb_pos)) || \
2352 (prev_td != td && pos >= atomic_load(&prev_td->wait_mb_pos)); \
2353 atomic_store(&td->thread_mb_pos, pos); \
2354 if (sliced_threading && pos_check) { \
2355 pthread_mutex_lock(&td->lock); \
2356 pthread_cond_broadcast(&td->cond); \
2357 pthread_mutex_unlock(&td->lock); \
2358 } \
2359 } while (0)
2360 #else
2361 #define check_thread_pos(td, otd, mb_x_check, mb_y_check) while(0)
2362 #define update_pos(td, mb_y, mb_x) while(0)
2363 #endif
2364
2365 16181 static av_always_inline int decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2366 int jobnr, int threadnr, int is_vp7)
2367 {
2368 16181 VP8Context *s = avctx->priv_data;
2369 16181 VP8ThreadData *prev_td, *next_td, *td = &s->thread_data[threadnr];
2370 16181 int mb_y = atomic_load(&td->thread_mb_pos) >> 16;
2371 16181 int mb_x, mb_xy = mb_y * s->mb_width;
2372 16181 int num_jobs = s->num_jobs;
2373 16181 VP8Frame *curframe = s->curframe, *prev_frame = s->prev_frame;
2374 16181 VP56RangeCoder *c = &s->coeff_partition[mb_y & (s->num_coeff_partitions - 1)];
2375 VP8Macroblock *mb;
2376 16181 uint8_t *dst[3] = {
2377 16181 curframe->tf.f->data[0] + 16 * mb_y * s->linesize,
2378 16181 curframe->tf.f->data[1] + 8 * mb_y * s->uvlinesize,
2379 16181 curframe->tf.f->data[2] + 8 * mb_y * s->uvlinesize
2380 };
2381
2382
1/2
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✓ Branch 2 taken 16181 times.
 16181 if (vpX_rac_is_end(c))
2383 ✗ return AVERROR_INVALIDDATA;
2384
2385
2/2
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✓ Branch 1 taken 15039 times.
 16181 if (mb_y == 0)
2386 1142 prev_td = td;
2387 else
2388 15039 prev_td = &s->thread_data[(jobnr + num_jobs - 1) % num_jobs];
2389
2/2
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✓ Branch 1 taken 15039 times.
 16181 if (mb_y == s->mb_height - 1)
2390 1142 next_td = td;
2391 else
2392 15039 next_td = &s->thread_data[(jobnr + 1) % num_jobs];
2393
2/2
✓ Branch 0 taken 330 times.
✓ Branch 1 taken 15851 times.
 16181 if (s->mb_layout == 1)
2394 330 mb = s->macroblocks_base + ((s->mb_width + 1) * (mb_y + 1) + 1);
2395 else {
2396 // Make sure the previous frame has read its segmentation map,
2397 // if we re-use the same map.
2398
4/4
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✓ Branch 3 taken 9658 times.
 15851 if (prev_frame && s->segmentation.enabled &&
2399
2/2
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✓ Branch 1 taken 573 times.
 5598 !s->segmentation.update_map)
2400 5025 ff_thread_await_progress(&prev_frame->tf, mb_y, 0);
2401 15851 mb = s->macroblocks + (s->mb_height - mb_y - 1) * 2;
2402 15851 memset(mb - 1, 0, sizeof(*mb)); // zero left macroblock
2403 15851 AV_WN32A(s->intra4x4_pred_mode_left, DC_PRED * 0x01010101);
2404 }
2405
2406
4/4
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 16181 if (!is_vp7 || mb_y == 0)
2407 15881 memset(td->left_nnz, 0, sizeof(td->left_nnz));
2408
2409 16181 td->mv_bounds.mv_min.x = -MARGIN;
2410 16181 td->mv_bounds.mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
2411
2412
2/2
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 459390 for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
2413
1/2
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✓ Branch 2 taken 443209 times.
 443209 if (vpX_rac_is_end(c))
2414 ✗ return AVERROR_INVALIDDATA;
2415 // Wait for previous thread to read mb_x+2, and reach mb_y-1.
2416
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 443209 times.
 443209 if (prev_td != td) {
2417 ✗ if (threadnr != 0) {
2418 ✗ check_thread_pos(td, prev_td,
2419 mb_x + (is_vp7 ? 2 : 1),
2420 mb_y - (is_vp7 ? 2 : 1));
2421 } else {
2422 ✗ check_thread_pos(td, prev_td,
2423 mb_x + (is_vp7 ? 2 : 1) + s->mb_width + 3,
2424 mb_y - (is_vp7 ? 2 : 1));
2425 }
2426 }
2427
2428 443209 s->vdsp.prefetch(dst[0] + (mb_x & 3) * 4 * s->linesize + 64,
2429 s->linesize, 4);
2430 443209 s->vdsp.prefetch(dst[1] + (mb_x & 7) * s->uvlinesize + 64,
2431 443209 dst[2] - dst[1], 2);
2432
2433
2/2
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 443209 if (!s->mb_layout)
2434
2/2
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✓ Branch 1 taken 30660 times.
 842558 decode_mb_mode(s, &td->mv_bounds, mb, mb_x, mb_y, curframe->seg_map->data + mb_xy,
2435
1/2
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✗ Branch 1 not taken.
 405949 prev_frame && prev_frame->seg_map ?
2436 405949 prev_frame->seg_map->data + mb_xy : NULL, 0, is_vp7);
2437
2438 443209 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP56_FRAME_PREVIOUS);
2439
2440
2/2
✓ Branch 0 taken 83297 times.
✓ Branch 1 taken 359912 times.
 443209 if (!mb->skip)
2441 83297 decode_mb_coeffs(s, td, c, mb, s->top_nnz[mb_x], td->left_nnz, is_vp7);
2442
2443
2/2
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✓ Branch 1 taken 385877 times.
 443209 if (mb->mode <= MODE_I4x4)
2444 57332 intra_predict(s, td, dst, mb, mb_x, mb_y, is_vp7);
2445 else
2446 385877 inter_predict(s, td, dst, mb, mb_x, mb_y);
2447
2448 443209 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP56_FRAME_GOLDEN);
2449
2450
2/2
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✓ Branch 1 taken 366369 times.
 443209 if (!mb->skip) {
2451 76840 idct_mb(s, td, dst, mb);
2452 } else {
2453 366369 AV_ZERO64(td->left_nnz);
2454 366369 AV_WN64(s->top_nnz[mb_x], 0); // array of 9, so unaligned
2455
2456 /* Reset DC block predictors if they would exist
2457 * if the mb had coefficients */
2458
4/4
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✓ Branch 1 taken 460 times.
✓ Branch 2 taken 362642 times.
✓ Branch 3 taken 3267 times.
 366369 if (mb->mode != MODE_I4x4 && mb->mode != VP8_MVMODE_SPLIT) {
2459 362642 td->left_nnz[8] = 0;
2460 362642 s->top_nnz[mb_x][8] = 0;
2461 }
2462 }
2463
2464
2/2
✓ Branch 0 taken 424229 times.
✓ Branch 1 taken 18980 times.
 443209 if (s->deblock_filter)
2465 424229 filter_level_for_mb(s, mb, &td->filter_strength[mb_x], is_vp7);
2466
2467
3/6
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 443209 if (s->deblock_filter && num_jobs != 1 && threadnr == num_jobs - 1) {
2468 ✗ if (s->filter.simple)
2469 ✗ backup_mb_border(s->top_border[mb_x + 1], dst[0],
2470 NULL, NULL, s->linesize, 0, 1);
2471 else
2472 ✗ backup_mb_border(s->top_border[mb_x + 1], dst[0],
2473 dst[1], dst[2], s->linesize, s->uvlinesize, 0);
2474 }
2475
2476 443209 prefetch_motion(s, mb, mb_x, mb_y, mb_xy, VP56_FRAME_GOLDEN2);
2477
2478 443209 dst[0] += 16;
2479 443209 dst[1] += 8;
2480 443209 dst[2] += 8;
2481 443209 td->mv_bounds.mv_min.x -= 64;
2482 443209 td->mv_bounds.mv_max.x -= 64;
2483
2484
1/2
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 443209 if (mb_x == s->mb_width + 1) {
2485 ✗ update_pos(td, mb_y, s->mb_width + 3);
2486 } else {
2487
7/22
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 443209 update_pos(td, mb_y, mb_x);
2488 }
2489 }
2490 16181 return 0;
2491 }
2492
2493 330 static int vp7_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2494 int jobnr, int threadnr)
2495 {
2496 330 return decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, 1);
2497 }
2498
2499 15851 static int vp8_decode_mb_row_no_filter(AVCodecContext *avctx, void *tdata,
2500 int jobnr, int threadnr)
2501 {
2502 15851 return decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr, 0);
2503 }
2504
2505 15115 static av_always_inline void filter_mb_row(AVCodecContext *avctx, void *tdata,
2506 int jobnr, int threadnr, int is_vp7)
2507 {
2508 15115 VP8Context *s = avctx->priv_data;
2509 15115 VP8ThreadData *td = &s->thread_data[threadnr];
2510 15115 int mb_x, mb_y = atomic_load(&td->thread_mb_pos) >> 16, num_jobs = s->num_jobs;
2511 15115 AVFrame *curframe = s->curframe->tf.f;
2512 VP8Macroblock *mb;
2513 VP8ThreadData *prev_td, *next_td;
2514 15115 uint8_t *dst[3] = {
2515 15115 curframe->data[0] + 16 * mb_y * s->linesize,
2516 15115 curframe->data[1] + 8 * mb_y * s->uvlinesize,
2517 15115 curframe->data[2] + 8 * mb_y * s->uvlinesize
2518 };
2519
2520
2/2
✓ Branch 0 taken 330 times.
✓ Branch 1 taken 14785 times.
 15115 if (s->mb_layout == 1)
2521 330 mb = s->macroblocks_base + ((s->mb_width + 1) * (mb_y + 1) + 1);
2522 else
2523 14785 mb = s->macroblocks + (s->mb_height - mb_y - 1) * 2;
2524
2525
2/2
✓ Branch 0 taken 1034 times.
✓ Branch 1 taken 14081 times.
 15115 if (mb_y == 0)
2526 1034 prev_td = td;
2527 else
2528 14081 prev_td = &s->thread_data[(jobnr + num_jobs - 1) % num_jobs];
2529
2/2
✓ Branch 0 taken 1034 times.
✓ Branch 1 taken 14081 times.
 15115 if (mb_y == s->mb_height - 1)
2530 1034 next_td = td;
2531 else
2532 14081 next_td = &s->thread_data[(jobnr + 1) % num_jobs];
2533
2534
2/2
✓ Branch 0 taken 424229 times.
✓ Branch 1 taken 15115 times.
 439344 for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb++) {
2535 424229 VP8FilterStrength *f = &td->filter_strength[mb_x];
2536
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 424229 times.
 424229 if (prev_td != td)
2537 ✗ check_thread_pos(td, prev_td,
2538 (mb_x + 1) + (s->mb_width + 3), mb_y - 1);
2539
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 424229 times.
 424229 if (next_td != td)
2540 ✗ if (next_td != &s->thread_data[0])
2541 ✗ check_thread_pos(td, next_td, mb_x + 1, mb_y + 1);
2542
2543
1/2
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✗ Branch 1 not taken.
 424229 if (num_jobs == 1) {
2544
2/2
✓ Branch 0 taken 7722 times.
✓ Branch 1 taken 416507 times.
 424229 if (s->filter.simple)
2545 7722 backup_mb_border(s->top_border[mb_x + 1], dst[0],
2546 NULL, NULL, s->linesize, 0, 1);
2547 else
2548 416507 backup_mb_border(s->top_border[mb_x + 1], dst[0],
2549 dst[1], dst[2], s->linesize, s->uvlinesize, 0);
2550 }
2551
2552
2/2
✓ Branch 0 taken 7722 times.
✓ Branch 1 taken 416507 times.
 424229 if (s->filter.simple)
2553 7722 filter_mb_simple(s, dst[0], f, mb_x, mb_y);
2554 else
2555 416507 filter_mb(s, dst, f, mb_x, mb_y, is_vp7);
2556 424229 dst[0] += 16;
2557 424229 dst[1] += 8;
2558 424229 dst[2] += 8;
2559
2560
7/22
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 424229 update_pos(td, mb_y, (s->mb_width + 3) + mb_x);
2561 }
2562 15115 }
2563
2564 330 static void vp7_filter_mb_row(AVCodecContext *avctx, void *tdata,
2565 int jobnr, int threadnr)
2566 {
2567 330 filter_mb_row(avctx, tdata, jobnr, threadnr, 1);
2568 330 }
2569
2570 14785 static void vp8_filter_mb_row(AVCodecContext *avctx, void *tdata,
2571 int jobnr, int threadnr)
2572 {
2573 14785 filter_mb_row(avctx, tdata, jobnr, threadnr, 0);
2574 14785 }
2575
2576 static av_always_inline
2577 1142 int vp78_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, int jobnr,
2578 int threadnr, int is_vp7)
2579 {
2580 1142 VP8Context *s = avctx->priv_data;
2581 1142 VP8ThreadData *td = &s->thread_data[jobnr];
2582 1142 VP8ThreadData *next_td = NULL, *prev_td = NULL;
2583 1142 VP8Frame *curframe = s->curframe;
2584 1142 int mb_y, num_jobs = s->num_jobs;
2585 int ret;
2586
2587 1142 td->thread_nr = threadnr;
2588 1142 td->mv_bounds.mv_min.y = -MARGIN - 64 * threadnr;
2589 1142 td->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN - 64 * threadnr;
2590
2/2
✓ Branch 0 taken 16181 times.
✓ Branch 1 taken 1142 times.
 17323 for (mb_y = jobnr; mb_y < s->mb_height; mb_y += num_jobs) {
2591 16181 atomic_store(&td->thread_mb_pos, mb_y << 16);
2592 16181 ret = s->decode_mb_row_no_filter(avctx, tdata, jobnr, threadnr);
2593
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 16181 times.
 16181 if (ret < 0) {
2594 ✗ update_pos(td, s->mb_height, INT_MAX & 0xFFFF);
2595 ✗ return ret;
2596 }
2597
2/2
✓ Branch 0 taken 15115 times.
✓ Branch 1 taken 1066 times.
 16181 if (s->deblock_filter)
2598 15115 s->filter_mb_row(avctx, tdata, jobnr, threadnr);
2599
4/22
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 16181 update_pos(td, mb_y, INT_MAX & 0xFFFF);
2600
2601 16181 td->mv_bounds.mv_min.y -= 64 * num_jobs;
2602 16181 td->mv_bounds.mv_max.y -= 64 * num_jobs;
2603
2604
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 16181 times.
 16181 if (avctx->active_thread_type == FF_THREAD_FRAME)
2605 ✗ ff_thread_report_progress(&curframe->tf, mb_y, 0);
2606 }
2607
2608 1142 return 0;
2609 }
2610
2611 30 static int vp7_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata,
2612 int jobnr, int threadnr)
2613 {
2614 30 return vp78_decode_mb_row_sliced(avctx, tdata, jobnr, threadnr, IS_VP7);
2615 }
2616
2617 1112 static int vp8_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata,
2618 int jobnr, int threadnr)
2619 {
2620 1112 return vp78_decode_mb_row_sliced(avctx, tdata, jobnr, threadnr, IS_VP8);
2621 }
2622
2623 static av_always_inline
2624 1142 int vp78_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
2625 const AVPacket *avpkt, int is_vp7)
2626 {
2627 1142 VP8Context *s = avctx->priv_data;
2628 int ret, i, referenced, num_jobs;
2629 enum AVDiscard skip_thresh;
2630 1142 VP8Frame *av_uninit(curframe), *prev_frame;
2631
2632
2/2
✓ Branch 0 taken 30 times.
✓ Branch 1 taken 1112 times.
 1142 if (is_vp7)
2633 30 ret = vp7_decode_frame_header(s, avpkt->data, avpkt->size);
2634 else
2635 1112 ret = vp8_decode_frame_header(s, avpkt->data, avpkt->size);
2636
2637
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1142 times.
 1142 if (ret < 0)
2638 ✗ goto err;
2639
2640
2/2
✓ Branch 0 taken 1136 times.
✓ Branch 1 taken 6 times.
 1142 if (s->actually_webp) {
2641 // avctx->pix_fmt already set in caller.
2642
3/4
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✓ Branch 1 taken 30 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 1106 times.
 1136 } else if (!is_vp7 && s->pix_fmt == AV_PIX_FMT_NONE) {
2643 ✗ s->pix_fmt = get_pixel_format(s);
2644 ✗ if (s->pix_fmt < 0) {
2645 ✗ ret = AVERROR(EINVAL);
2646 ✗ goto err;
2647 }
2648 ✗ avctx->pix_fmt = s->pix_fmt;
2649 }
2650
2651 1142 prev_frame = s->framep[VP56_FRAME_CURRENT];
2652
2653
3/4
✓ Branch 0 taken 11 times.
✓ Branch 1 taken 1131 times.
✓ Branch 2 taken 11 times.
✗ Branch 3 not taken.
 1153 referenced = s->update_last || s->update_golden == VP56_FRAME_CURRENT ||
2654
2/2
✓ Branch 0 taken 9 times.
✓ Branch 1 taken 2 times.
 11 s->update_altref == VP56_FRAME_CURRENT;
2655
2656 1142 skip_thresh = !referenced ? AVDISCARD_NONREF
2657
4/4
✓ Branch 0 taken 1140 times.
✓ Branch 1 taken 2 times.
✓ Branch 2 taken 1091 times.
✓ Branch 3 taken 49 times.
 1142 : !s->keyframe ? AVDISCARD_NONKEY
2658 : AVDISCARD_ALL;
2659
2660
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1142 times.
 1142 if (avctx->skip_frame >= skip_thresh) {
2661 ✗ s->invisible = 1;
2662 ✗ memcpy(&s->next_framep[0], &s->framep[0], sizeof(s->framep[0]) * 4);
2663 ✗ goto skip_decode;
2664 }
2665
3/4
✓ Branch 0 taken 1034 times.
✓ Branch 1 taken 108 times.
✓ Branch 2 taken 1034 times.
✗ Branch 3 not taken.
 1142 s->deblock_filter = s->filter.level && avctx->skip_loop_filter < skip_thresh;
2666
2667 // release no longer referenced frames
2668
2/2
✓ Branch 0 taken 5710 times.
✓ Branch 1 taken 1142 times.
 6852 for (i = 0; i < 5; i++)
2669
2/2
✓ Branch 0 taken 3826 times.
✓ Branch 1 taken 1884 times.
 5710 if (s->frames[i].tf.f->buf[0] &&
2670
2/2
✓ Branch 0 taken 2721 times.
✓ Branch 1 taken 1105 times.
 3826 &s->frames[i] != prev_frame &&
2671
2/2
✓ Branch 0 taken 2710 times.
✓ Branch 1 taken 11 times.
 2721 &s->frames[i] != s->framep[VP56_FRAME_PREVIOUS] &&
2672
2/2
✓ Branch 0 taken 1741 times.
✓ Branch 1 taken 969 times.
 2710 &s->frames[i] != s->framep[VP56_FRAME_GOLDEN] &&
2673
2/2
✓ Branch 0 taken 1033 times.
✓ Branch 1 taken 708 times.
 1741 &s->frames[i] != s->framep[VP56_FRAME_GOLDEN2])
2674 1033 vp8_release_frame(s, &s->frames[i]);
2675
2676 1142 curframe = s->framep[VP56_FRAME_CURRENT] = vp8_find_free_buffer(s);
2677
2678
1/2
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✗ Branch 1 not taken.
 1142 if (!s->colorspace)
2679 1142 avctx->colorspace = AVCOL_SPC_BT470BG;
2680
1/2
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✓ Branch 1 taken 1142 times.
 1142 if (s->fullrange)
2681 ✗ avctx->color_range = AVCOL_RANGE_JPEG;
2682 else
2683 1142 avctx->color_range = AVCOL_RANGE_MPEG;
2684
2685 /* Given that arithmetic probabilities are updated every frame, it's quite
2686 * likely that the values we have on a random interframe are complete
2687 * junk if we didn't start decode on a keyframe. So just don't display
2688 * anything rather than junk. */
2689
3/4
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✗ Branch 3 not taken.
 1142 if (!s->keyframe && (!s->framep[VP56_FRAME_PREVIOUS] ||
2690
1/2
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✗ Branch 1 not taken.
 1093 !s->framep[VP56_FRAME_GOLDEN] ||
2691
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1093 times.
 1093 !s->framep[VP56_FRAME_GOLDEN2])) {
2692 ✗ av_log(avctx, AV_LOG_WARNING,
2693 "Discarding interframe without a prior keyframe!\n");
2694 ✗ ret = AVERROR_INVALIDDATA;
2695 ✗ goto err;
2696 }
2697
2698 1142 curframe->tf.f->key_frame = s->keyframe;
2699 2284 curframe->tf.f->pict_type = s->keyframe ? AV_PICTURE_TYPE_I
2700
2/2
✓ Branch 0 taken 49 times.
✓ Branch 1 taken 1093 times.
 1142 : AV_PICTURE_TYPE_P;
2701
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 1142 times.
 1142 if ((ret = vp8_alloc_frame(s, curframe, referenced)) < 0)
2702 ✗ goto err;
2703
2704 // check if golden and altref are swapped
2705
2/2
✓ Branch 0 taken 196 times.
✓ Branch 1 taken 946 times.
 1142 if (s->update_altref != VP56_FRAME_NONE)
2706 196 s->next_framep[VP56_FRAME_GOLDEN2] = s->framep[s->update_altref];
2707 else
2708 946 s->next_framep[VP56_FRAME_GOLDEN2] = s->framep[VP56_FRAME_GOLDEN2];
2709
2710
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 1142 if (s->update_golden != VP56_FRAME_NONE)
2711 139 s->next_framep[VP56_FRAME_GOLDEN] = s->framep[s->update_golden];
2712 else
2713 1003 s->next_framep[VP56_FRAME_GOLDEN] = s->framep[VP56_FRAME_GOLDEN];
2714
2715
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 1142 if (s->update_last)
2716 1131 s->next_framep[VP56_FRAME_PREVIOUS] = curframe;
2717 else
2718 11 s->next_framep[VP56_FRAME_PREVIOUS] = s->framep[VP56_FRAME_PREVIOUS];
2719
2720 1142 s->next_framep[VP56_FRAME_CURRENT] = curframe;
2721
2722
2/2
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 1142 if (avctx->codec->update_thread_context)
2723 1106 ff_thread_finish_setup(avctx);
2724
2725
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 1142 if (avctx->hwaccel) {
2726 ✗ ret = avctx->hwaccel->start_frame(avctx, avpkt->data, avpkt->size);
2727 ✗ if (ret < 0)
2728 ✗ goto err;
2729
2730 ✗ ret = avctx->hwaccel->decode_slice(avctx, avpkt->data, avpkt->size);
2731 ✗ if (ret < 0)
2732 ✗ goto err;
2733
2734 ✗ ret = avctx->hwaccel->end_frame(avctx);
2735 ✗ if (ret < 0)
2736 ✗ goto err;
2737
2738 } else {
2739 1142 s->linesize = curframe->tf.f->linesize[0];
2740 1142 s->uvlinesize = curframe->tf.f->linesize[1];
2741
2742 1142 memset(s->top_nnz, 0, s->mb_width * sizeof(*s->top_nnz));
2743 /* Zero macroblock structures for top/top-left prediction
2744 * from outside the frame. */
2745
2/2
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 1142 if (!s->mb_layout)
2746 1112 memset(s->macroblocks + s->mb_height * 2 - 1, 0,
2747 1112 (s->mb_width + 1) * sizeof(*s->macroblocks));
2748
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✓ Branch 3 taken 1064 times.
 1142 if (!s->mb_layout && s->keyframe)
2749 48 memset(s->intra4x4_pred_mode_top, DC_PRED, s->mb_width * 4);
2750
2751 1142 memset(s->ref_count, 0, sizeof(s->ref_count));
2752
2753
2/2
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 1142 if (s->mb_layout == 1) {
2754 // Make sure the previous frame has read its segmentation map,
2755 // if we re-use the same map.
2756
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 30 if (prev_frame && s->segmentation.enabled &&
2757 ✗ !s->segmentation.update_map)
2758 ✗ ff_thread_await_progress(&prev_frame->tf, 1, 0);
2759
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 30 if (is_vp7)
2760 30 ret = vp7_decode_mv_mb_modes(avctx, curframe, prev_frame);
2761 else
2762 ✗ ret = vp8_decode_mv_mb_modes(avctx, curframe, prev_frame);
2763
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 30 if (ret < 0)
2764 ✗ goto err;
2765 }
2766
2767
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 1142 if (avctx->active_thread_type == FF_THREAD_FRAME)
2768 ✗ num_jobs = 1;
2769 else
2770 1142 num_jobs = FFMIN(s->num_coeff_partitions, avctx->thread_count);
2771 1142 s->num_jobs = num_jobs;
2772 1142 s->curframe = curframe;
2773 1142 s->prev_frame = prev_frame;
2774 1142 s->mv_bounds.mv_min.y = -MARGIN;
2775 1142 s->mv_bounds.mv_max.y = ((s->mb_height - 1) << 6) + MARGIN;
2776
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 10278 for (i = 0; i < MAX_THREADS; i++) {
2777 9136 VP8ThreadData *td = &s->thread_data[i];
2778 9136 atomic_init(&td->thread_mb_pos, 0);
2779 9136 atomic_init(&td->wait_mb_pos, INT_MAX);
2780 }
2781
2/2
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 1142 if (is_vp7)
2782 30 avctx->execute2(avctx, vp7_decode_mb_row_sliced, s->thread_data, NULL,
2783 num_jobs);
2784 else
2785 1112 avctx->execute2(avctx, vp8_decode_mb_row_sliced, s->thread_data, NULL,
2786 num_jobs);
2787 }
2788
2789 1142 ff_thread_report_progress(&curframe->tf, INT_MAX, 0);
2790 1142 memcpy(&s->framep[0], &s->next_framep[0], sizeof(s->framep[0]) * 4);
2791
2792 1142 skip_decode:
2793 // if future frames don't use the updated probabilities,
2794 // reset them to the values we saved
2795
2/2
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✓ Branch 1 taken 1078 times.
 1142 if (!s->update_probabilities)
2796 64 s->prob[0] = s->prob[1];
2797
2798
2/2
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✓ Branch 1 taken 9 times.
 1142 if (!s->invisible) {
2799
1/2
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✓ Branch 2 taken 1133 times.
 1133 if ((ret = av_frame_ref(data, curframe->tf.f)) < 0)
2800 ✗ return ret;
2801 1133 *got_frame = 1;
2802 }
2803
2804 1142 return avpkt->size;
2805 ✗ err:
2806 ✗ memcpy(&s->next_framep[0], &s->framep[0], sizeof(s->framep[0]) * 4);
2807 ✗ return ret;
2808 }
2809
2810 1112 int ff_vp8_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
2811 AVPacket *avpkt)
2812 {
2813 1112 return vp78_decode_frame(avctx, data, got_frame, avpkt, IS_VP8);
2814 }
2815
2816 #if CONFIG_VP7_DECODER
2817 30 static int vp7_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
2818 AVPacket *avpkt)
2819 {
2820 30 return vp78_decode_frame(avctx, data, got_frame, avpkt, IS_VP7);
2821 }
2822 #endif /* CONFIG_VP7_DECODER */
2823
2824 63 av_cold int ff_vp8_decode_free(AVCodecContext *avctx)
2825 {
2826 63 VP8Context *s = avctx->priv_data;
2827 int i;
2828
2829
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 63 if (!s)
2830 ✗ return 0;
2831
2832 63 vp8_decode_flush_impl(avctx, 1);
2833
2/2
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 378 for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++)
2834 315 av_frame_free(&s->frames[i].tf.f);
2835
2836 63 return 0;
2837 }
2838
2839 63 static av_cold int vp8_init_frames(VP8Context *s)
2840 {
2841 int i;
2842
2/2
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 378 for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++) {
2843 315 s->frames[i].tf.f = av_frame_alloc();
2844
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 315 if (!s->frames[i].tf.f)
2845 ✗ return AVERROR(ENOMEM);
2846 }
2847 63 return 0;
2848 }
2849
2850 static av_always_inline
2851 63 int vp78_decode_init(AVCodecContext *avctx, int is_vp7)
2852 {
2853 63 VP8Context *s = avctx->priv_data;
2854 int ret;
2855
2856 63 s->avctx = avctx;
2857 63 s->vp7 = avctx->codec->id == AV_CODEC_ID_VP7;
2858 63 s->pix_fmt = AV_PIX_FMT_NONE;
2859 63 avctx->pix_fmt = AV_PIX_FMT_YUV420P;
2860
2861 63 ff_videodsp_init(&s->vdsp, 8);
2862
2863 63 ff_vp78dsp_init(&s->vp8dsp);
2864
2/2
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 63 if (CONFIG_VP7_DECODER && is_vp7) {
2865 3 ff_h264_pred_init(&s->hpc, AV_CODEC_ID_VP7, 8, 1);
2866 3 ff_vp7dsp_init(&s->vp8dsp);
2867 3 s->decode_mb_row_no_filter = vp7_decode_mb_row_no_filter;
2868 3 s->filter_mb_row = vp7_filter_mb_row;
2869
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 60 } else if (CONFIG_VP8_DECODER && !is_vp7) {
2870 60 ff_h264_pred_init(&s->hpc, AV_CODEC_ID_VP8, 8, 1);
2871 60 ff_vp8dsp_init(&s->vp8dsp);
2872 60 s->decode_mb_row_no_filter = vp8_decode_mb_row_no_filter;
2873 60 s->filter_mb_row = vp8_filter_mb_row;
2874 }
2875
2876 /* does not change for VP8 */
2877 63 memcpy(s->prob[0].scan, ff_zigzag_scan, sizeof(s->prob[0].scan));
2878
2879
1/2
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✓ Branch 2 taken 63 times.
 63 if ((ret = vp8_init_frames(s)) < 0) {
2880 ✗ ff_vp8_decode_free(avctx);
2881 ✗ return ret;
2882 }
2883
2884 63 return 0;
2885 }
2886
2887 #if CONFIG_VP7_DECODER
2888 3 static int vp7_decode_init(AVCodecContext *avctx)
2889 {
2890 3 return vp78_decode_init(avctx, IS_VP7);
2891 }
2892 #endif /* CONFIG_VP7_DECODER */
2893
2894 60 av_cold int ff_vp8_decode_init(AVCodecContext *avctx)
2895 {
2896 60 return vp78_decode_init(avctx, IS_VP8);
2897 }
2898
2899 #if CONFIG_VP8_DECODER
2900 #if HAVE_THREADS
2901 #define REBASE(pic) ((pic) ? (pic) - &s_src->frames[0] + &s->frames[0] : NULL)
2902
2903 ✗ static int vp8_decode_update_thread_context(AVCodecContext *dst,
2904 const AVCodecContext *src)
2905 {
2906 ✗ VP8Context *s = dst->priv_data, *s_src = src->priv_data;
2907 int i;
2908
2909 ✗ if (s->macroblocks_base &&
2910 ✗ (s_src->mb_width != s->mb_width || s_src->mb_height != s->mb_height)) {
2911 ✗ free_buffers(s);
2912 ✗ s->mb_width = s_src->mb_width;
2913 ✗ s->mb_height = s_src->mb_height;
2914 }
2915
2916 ✗ s->pix_fmt = s_src->pix_fmt;
2917 ✗ s->prob[0] = s_src->prob[!s_src->update_probabilities];
2918 ✗ s->segmentation = s_src->segmentation;
2919 ✗ s->lf_delta = s_src->lf_delta;
2920 ✗ memcpy(s->sign_bias, s_src->sign_bias, sizeof(s->sign_bias));
2921
2922 ✗ for (i = 0; i < FF_ARRAY_ELEMS(s_src->frames); i++) {
2923 ✗ if (s_src->frames[i].tf.f->buf[0]) {
2924 ✗ int ret = vp8_ref_frame(s, &s->frames[i], &s_src->frames[i]);
2925 ✗ if (ret < 0)
2926 ✗ return ret;
2927 }
2928 }
2929
2930 ✗ s->framep[0] = REBASE(s_src->next_framep[0]);
2931 ✗ s->framep[1] = REBASE(s_src->next_framep[1]);
2932 ✗ s->framep[2] = REBASE(s_src->next_framep[2]);
2933 ✗ s->framep[3] = REBASE(s_src->next_framep[3]);
2934
2935 ✗ return 0;
2936 }
2937 #endif /* HAVE_THREADS */
2938 #endif /* CONFIG_VP8_DECODER */
2939
2940 #if CONFIG_VP7_DECODER
2941 const AVCodec ff_vp7_decoder = {
2942 .name = "vp7",
2943 .long_name = NULL_IF_CONFIG_SMALL("On2 VP7"),
2944 .type = AVMEDIA_TYPE_VIDEO,
2945 .id = AV_CODEC_ID_VP7,
2946 .priv_data_size = sizeof(VP8Context),
2947 .init = vp7_decode_init,
2948 .close = ff_vp8_decode_free,
2949 .decode = vp7_decode_frame,
2950 .capabilities = AV_CODEC_CAP_DR1,
2951 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
2952 .flush = vp8_decode_flush,
2953 };
2954 #endif /* CONFIG_VP7_DECODER */
2955
2956 #if CONFIG_VP8_DECODER
2957 const AVCodec ff_vp8_decoder = {
2958 .name = "vp8",
2959 .long_name = NULL_IF_CONFIG_SMALL("On2 VP8"),
2960 .type = AVMEDIA_TYPE_VIDEO,
2961 .id = AV_CODEC_ID_VP8,
2962 .priv_data_size = sizeof(VP8Context),
2963 .init = ff_vp8_decode_init,
2964 .close = ff_vp8_decode_free,
2965 .decode = ff_vp8_decode_frame,
2966 .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
2967 AV_CODEC_CAP_SLICE_THREADS,
2968 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE |
2969 FF_CODEC_CAP_ALLOCATE_PROGRESS,
2970 .flush = vp8_decode_flush,
2971 .update_thread_context = ONLY_IF_THREADS_ENABLED(vp8_decode_update_thread_context),
2972 .hw_configs = (const AVCodecHWConfigInternal *const []) {
2973 #if CONFIG_VP8_VAAPI_HWACCEL
2974 HWACCEL_VAAPI(vp8),
2975 #endif
2976 #if CONFIG_VP8_NVDEC_HWACCEL
2977 HWACCEL_NVDEC(vp8),
2978 #endif
2979 NULL
2980 },
2981 };
2982 #endif /* CONFIG_VP7_DECODER */
2983