FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/h264_slice.c
Date: 2021-09-22 23:55:11
Exec Total Coverage
Lines: 1387 1781 77.9%
Branches: 921 1317 69.9%

Line Branch Exec Source
1 /*
2 * H.26L/H.264/AVC/JVT/14496-10/... decoder
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 /**
23 * @file
24 * H.264 / AVC / MPEG-4 part10 codec.
25 * @author Michael Niedermayer <michaelni@gmx.at>
26 */
27
28 #include "libavutil/avassert.h"
29 #include "libavutil/display.h"
30 #include "libavutil/imgutils.h"
31 #include "libavutil/film_grain_params.h"
32 #include "libavutil/stereo3d.h"
33 #include "libavutil/timecode.h"
34 #include "internal.h"
35 #include "cabac.h"
36 #include "cabac_functions.h"
37 #include "error_resilience.h"
38 #include "avcodec.h"
39 #include "h264.h"
40 #include "h264dec.h"
41 #include "h264data.h"
42 #include "h264chroma.h"
43 #include "h264_mvpred.h"
44 #include "h264_ps.h"
45 #include "golomb.h"
46 #include "mathops.h"
47 #include "mpegutils.h"
48 #include "rectangle.h"
49 #include "thread.h"
50
51 static const uint8_t field_scan[16+1] = {
52 0 + 0 * 4, 0 + 1 * 4, 1 + 0 * 4, 0 + 2 * 4,
53 0 + 3 * 4, 1 + 1 * 4, 1 + 2 * 4, 1 + 3 * 4,
54 2 + 0 * 4, 2 + 1 * 4, 2 + 2 * 4, 2 + 3 * 4,
55 3 + 0 * 4, 3 + 1 * 4, 3 + 2 * 4, 3 + 3 * 4,
56 };
57
58 static const uint8_t field_scan8x8[64+1] = {
59 0 + 0 * 8, 0 + 1 * 8, 0 + 2 * 8, 1 + 0 * 8,
60 1 + 1 * 8, 0 + 3 * 8, 0 + 4 * 8, 1 + 2 * 8,
61 2 + 0 * 8, 1 + 3 * 8, 0 + 5 * 8, 0 + 6 * 8,
62 0 + 7 * 8, 1 + 4 * 8, 2 + 1 * 8, 3 + 0 * 8,
63 2 + 2 * 8, 1 + 5 * 8, 1 + 6 * 8, 1 + 7 * 8,
64 2 + 3 * 8, 3 + 1 * 8, 4 + 0 * 8, 3 + 2 * 8,
65 2 + 4 * 8, 2 + 5 * 8, 2 + 6 * 8, 2 + 7 * 8,
66 3 + 3 * 8, 4 + 1 * 8, 5 + 0 * 8, 4 + 2 * 8,
67 3 + 4 * 8, 3 + 5 * 8, 3 + 6 * 8, 3 + 7 * 8,
68 4 + 3 * 8, 5 + 1 * 8, 6 + 0 * 8, 5 + 2 * 8,
69 4 + 4 * 8, 4 + 5 * 8, 4 + 6 * 8, 4 + 7 * 8,
70 5 + 3 * 8, 6 + 1 * 8, 6 + 2 * 8, 5 + 4 * 8,
71 5 + 5 * 8, 5 + 6 * 8, 5 + 7 * 8, 6 + 3 * 8,
72 7 + 0 * 8, 7 + 1 * 8, 6 + 4 * 8, 6 + 5 * 8,
73 6 + 6 * 8, 6 + 7 * 8, 7 + 2 * 8, 7 + 3 * 8,
74 7 + 4 * 8, 7 + 5 * 8, 7 + 6 * 8, 7 + 7 * 8,
75 };
76
77 static const uint8_t field_scan8x8_cavlc[64+1] = {
78 0 + 0 * 8, 1 + 1 * 8, 2 + 0 * 8, 0 + 7 * 8,
79 2 + 2 * 8, 2 + 3 * 8, 2 + 4 * 8, 3 + 3 * 8,
80 3 + 4 * 8, 4 + 3 * 8, 4 + 4 * 8, 5 + 3 * 8,
81 5 + 5 * 8, 7 + 0 * 8, 6 + 6 * 8, 7 + 4 * 8,
82 0 + 1 * 8, 0 + 3 * 8, 1 + 3 * 8, 1 + 4 * 8,
83 1 + 5 * 8, 3 + 1 * 8, 2 + 5 * 8, 4 + 1 * 8,
84 3 + 5 * 8, 5 + 1 * 8, 4 + 5 * 8, 6 + 1 * 8,
85 5 + 6 * 8, 7 + 1 * 8, 6 + 7 * 8, 7 + 5 * 8,
86 0 + 2 * 8, 0 + 4 * 8, 0 + 5 * 8, 2 + 1 * 8,
87 1 + 6 * 8, 4 + 0 * 8, 2 + 6 * 8, 5 + 0 * 8,
88 3 + 6 * 8, 6 + 0 * 8, 4 + 6 * 8, 6 + 2 * 8,
89 5 + 7 * 8, 6 + 4 * 8, 7 + 2 * 8, 7 + 6 * 8,
90 1 + 0 * 8, 1 + 2 * 8, 0 + 6 * 8, 3 + 0 * 8,
91 1 + 7 * 8, 3 + 2 * 8, 2 + 7 * 8, 4 + 2 * 8,
92 3 + 7 * 8, 5 + 2 * 8, 4 + 7 * 8, 5 + 4 * 8,
93 6 + 3 * 8, 6 + 5 * 8, 7 + 3 * 8, 7 + 7 * 8,
94 };
95
96 // zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]
97 static const uint8_t zigzag_scan8x8_cavlc[64+1] = {
98 0 + 0 * 8, 1 + 1 * 8, 1 + 2 * 8, 2 + 2 * 8,
99 4 + 1 * 8, 0 + 5 * 8, 3 + 3 * 8, 7 + 0 * 8,
100 3 + 4 * 8, 1 + 7 * 8, 5 + 3 * 8, 6 + 3 * 8,
101 2 + 7 * 8, 6 + 4 * 8, 5 + 6 * 8, 7 + 5 * 8,
102 1 + 0 * 8, 2 + 0 * 8, 0 + 3 * 8, 3 + 1 * 8,
103 3 + 2 * 8, 0 + 6 * 8, 4 + 2 * 8, 6 + 1 * 8,
104 2 + 5 * 8, 2 + 6 * 8, 6 + 2 * 8, 5 + 4 * 8,
105 3 + 7 * 8, 7 + 3 * 8, 4 + 7 * 8, 7 + 6 * 8,
106 0 + 1 * 8, 3 + 0 * 8, 0 + 4 * 8, 4 + 0 * 8,
107 2 + 3 * 8, 1 + 5 * 8, 5 + 1 * 8, 5 + 2 * 8,
108 1 + 6 * 8, 3 + 5 * 8, 7 + 1 * 8, 4 + 5 * 8,
109 4 + 6 * 8, 7 + 4 * 8, 5 + 7 * 8, 6 + 7 * 8,
110 0 + 2 * 8, 2 + 1 * 8, 1 + 3 * 8, 5 + 0 * 8,
111 1 + 4 * 8, 2 + 4 * 8, 6 + 0 * 8, 4 + 3 * 8,
112 0 + 7 * 8, 4 + 4 * 8, 7 + 2 * 8, 3 + 6 * 8,
113 5 + 5 * 8, 6 + 5 * 8, 6 + 6 * 8, 7 + 7 * 8,
114 };
115
116 26804 static void release_unused_pictures(H264Context *h, int remove_current)
117 {
118 int i;
119
120 /* release non reference frames */
121
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991748 for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
122
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964944 if (h->DPB[i].f->buf[0] && !h->DPB[i].reference &&
123
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2589 (remove_current || &h->DPB[i] != h->cur_pic_ptr)) {
124 21437 ff_h264_unref_picture(h, &h->DPB[i]);
125 }
126 }
127 26804 }
128
129 34216 static int alloc_scratch_buffers(H264SliceContext *sl, int linesize)
130 {
131 34216 const H264Context *h = sl->h264;
132 34216 int alloc_size = FFALIGN(FFABS(linesize) + 32, 32);
133
134 34216 av_fast_malloc(&sl->bipred_scratchpad, &sl->bipred_scratchpad_allocated, 16 * 6 * alloc_size);
135 // edge emu needs blocksize + filter length - 1
136 // (= 21x21 for H.264)
137 34216 av_fast_malloc(&sl->edge_emu_buffer, &sl->edge_emu_buffer_allocated, alloc_size * 2 * 21);
138
139 34216 av_fast_mallocz(&sl->top_borders[0], &sl->top_borders_allocated[0],
140 34216 h->mb_width * 16 * 3 * sizeof(uint8_t) * 2);
141 34216 av_fast_mallocz(&sl->top_borders[1], &sl->top_borders_allocated[1],
142 34216 h->mb_width * 16 * 3 * sizeof(uint8_t) * 2);
143
144
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34216 if (!sl->bipred_scratchpad || !sl->edge_emu_buffer ||
145
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34216 !sl->top_borders[0] || !sl->top_borders[1]) {
146 av_freep(&sl->bipred_scratchpad);
147 av_freep(&sl->edge_emu_buffer);
148 av_freep(&sl->top_borders[0]);
149 av_freep(&sl->top_borders[1]);
150
151 sl->bipred_scratchpad_allocated = 0;
152 sl->edge_emu_buffer_allocated = 0;
153 sl->top_borders_allocated[0] = 0;
154 sl->top_borders_allocated[1] = 0;
155 return AVERROR(ENOMEM);
156 }
157
158 34216 return 0;
159 }
160
161 546 static int init_table_pools(H264Context *h)
162 {
163 546 const int big_mb_num = h->mb_stride * (h->mb_height + 1) + 1;
164 546 const int mb_array_size = h->mb_stride * h->mb_height;
165 546 const int b4_stride = h->mb_width * 4 + 1;
166 546 const int b4_array_size = b4_stride * h->mb_height * 4;
167
168 546 h->qscale_table_pool = av_buffer_pool_init(big_mb_num + h->mb_stride,
169 av_buffer_allocz);
170 546 h->mb_type_pool = av_buffer_pool_init((big_mb_num + h->mb_stride) *
171 sizeof(uint32_t), av_buffer_allocz);
172 546 h->motion_val_pool = av_buffer_pool_init(2 * (b4_array_size + 4) *
173 sizeof(int16_t), av_buffer_allocz);
174 546 h->ref_index_pool = av_buffer_pool_init(4 * mb_array_size, av_buffer_allocz);
175
176
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546 if (!h->qscale_table_pool || !h->mb_type_pool || !h->motion_val_pool ||
177
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546 !h->ref_index_pool) {
178 av_buffer_pool_uninit(&h->qscale_table_pool);
179 av_buffer_pool_uninit(&h->mb_type_pool);
180 av_buffer_pool_uninit(&h->motion_val_pool);
181 av_buffer_pool_uninit(&h->ref_index_pool);
182 return AVERROR(ENOMEM);
183 }
184
185 546 return 0;
186 }
187
188 23472 static int alloc_picture(H264Context *h, H264Picture *pic)
189 {
190 23472 int i, ret = 0;
191
192
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23472 av_assert0(!pic->f->data[0]);
193
194 23472 pic->tf.f = pic->f;
195 23472 ret = ff_thread_get_buffer(h->avctx, &pic->tf, pic->reference ?
196 AV_GET_BUFFER_FLAG_REF : 0);
197
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23472 if (ret < 0)
198 goto fail;
199
200
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23472 if (pic->needs_fg) {
201 pic->tf_grain.f = pic->f_grain;
202 pic->f_grain->format = pic->f->format;
203 pic->f_grain->width = pic->f->width;
204 pic->f_grain->height = pic->f->height;
205 ret = ff_thread_get_buffer(h->avctx, &pic->tf_grain, 0);
206 if (ret < 0)
207 goto fail;
208 }
209
210
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23472 if (h->avctx->hwaccel) {
211 const AVHWAccel *hwaccel = h->avctx->hwaccel;
212 av_assert0(!pic->hwaccel_picture_private);
213 if (hwaccel->frame_priv_data_size) {
214 pic->hwaccel_priv_buf = av_buffer_allocz(hwaccel->frame_priv_data_size);
215 if (!pic->hwaccel_priv_buf)
216 return AVERROR(ENOMEM);
217 pic->hwaccel_picture_private = pic->hwaccel_priv_buf->data;
218 }
219 }
220 if (CONFIG_GRAY && !h->avctx->hwaccel && h->flags & AV_CODEC_FLAG_GRAY && pic->f->data[2]) {
221 int h_chroma_shift, v_chroma_shift;
222 av_pix_fmt_get_chroma_sub_sample(pic->f->format,
223 &h_chroma_shift, &v_chroma_shift);
224
225 for(i=0; i<AV_CEIL_RSHIFT(pic->f->height, v_chroma_shift); i++) {
226 memset(pic->f->data[1] + pic->f->linesize[1]*i,
227 0x80, AV_CEIL_RSHIFT(pic->f->width, h_chroma_shift));
228 memset(pic->f->data[2] + pic->f->linesize[2]*i,
229 0x80, AV_CEIL_RSHIFT(pic->f->width, h_chroma_shift));
230 }
231 }
232
233
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23472 if (!h->qscale_table_pool) {
234 546 ret = init_table_pools(h);
235
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546 if (ret < 0)
236 goto fail;
237 }
238
239 23472 pic->qscale_table_buf = av_buffer_pool_get(h->qscale_table_pool);
240 23472 pic->mb_type_buf = av_buffer_pool_get(h->mb_type_pool);
241
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23472 if (!pic->qscale_table_buf || !pic->mb_type_buf)
242 goto fail;
243
244 23472 pic->mb_type = (uint32_t*)pic->mb_type_buf->data + 2 * h->mb_stride + 1;
245 23472 pic->qscale_table = pic->qscale_table_buf->data + 2 * h->mb_stride + 1;
246
247
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70416 for (i = 0; i < 2; i++) {
248 46944 pic->motion_val_buf[i] = av_buffer_pool_get(h->motion_val_pool);
249 46944 pic->ref_index_buf[i] = av_buffer_pool_get(h->ref_index_pool);
250
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46944 if (!pic->motion_val_buf[i] || !pic->ref_index_buf[i])
251 goto fail;
252
253 46944 pic->motion_val[i] = (int16_t (*)[2])pic->motion_val_buf[i]->data + 4;
254 46944 pic->ref_index[i] = pic->ref_index_buf[i]->data;
255 }
256
257 23472 pic->pps_buf = av_buffer_ref(h->ps.pps_ref);
258
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23472 if (!pic->pps_buf)
259 goto fail;
260 23472 pic->pps = (const PPS*)pic->pps_buf->data;
261
262 23472 pic->mb_width = h->mb_width;
263 23472 pic->mb_height = h->mb_height;
264 23472 pic->mb_stride = h->mb_stride;
265
266 23472 return 0;
267 fail:
268 ff_h264_unref_picture(h, pic);
269 return (ret < 0) ? ret : AVERROR(ENOMEM);
270 }
271
272 23472 static int find_unused_picture(H264Context *h)
273 {
274 int i;
275
276
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82320 for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
277
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82320 if (!h->DPB[i].f->buf[0])
278 23472 return i;
279 }
280 return AVERROR_INVALIDDATA;
281 }
282
283
284 #define IN_RANGE(a, b, size) (((void*)(a) >= (void*)(b)) && ((void*)(a) < (void*)((b) + (size))))
285
286 #define REBASE_PICTURE(pic, new_ctx, old_ctx) \
287 (((pic) && (pic) >= (old_ctx)->DPB && \
288 (pic) < (old_ctx)->DPB + H264_MAX_PICTURE_COUNT) ? \
289 &(new_ctx)->DPB[(pic) - (old_ctx)->DPB] : NULL)
290
291 129 static void copy_picture_range(H264Picture **to, H264Picture **from, int count,
292 H264Context *new_base,
293 H264Context *old_base)
294 {
295 int i;
296
297
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3655 for (i = 0; i < count; i++) {
298 av_assert1(!from[i] ||
299 IN_RANGE(from[i], old_base, 1) ||
300 IN_RANGE(from[i], old_base->DPB, H264_MAX_PICTURE_COUNT));
301
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3526 to[i] = REBASE_PICTURE(from[i], new_base, old_base);
302 }
303 129 }
304
305 static int h264_slice_header_init(H264Context *h);
306
307 43 int ff_h264_update_thread_context(AVCodecContext *dst,
308 const AVCodecContext *src)
309 {
310 43 H264Context *h = dst->priv_data, *h1 = src->priv_data;
311 43 int inited = h->context_initialized, err = 0;
312 43 int need_reinit = 0;
313 int i, ret;
314
315
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43 if (dst == src)
316 return 0;
317
318
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43 if (inited && !h1->ps.sps)
319 return AVERROR_INVALIDDATA;
320
321
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43 if (inited &&
322
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35 (h->width != h1->width ||
323
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35 h->height != h1->height ||
324
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35 h->mb_width != h1->mb_width ||
325
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35 h->mb_height != h1->mb_height ||
326
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35 !h->ps.sps ||
327
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35 h->ps.sps->bit_depth_luma != h1->ps.sps->bit_depth_luma ||
328
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35 h->ps.sps->chroma_format_idc != h1->ps.sps->chroma_format_idc ||
329
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35 h->ps.sps->colorspace != h1->ps.sps->colorspace)) {
330 need_reinit = 1;
331 }
332
333 /* copy block_offset since frame_start may not be called */
334 43 memcpy(h->block_offset, h1->block_offset, sizeof(h->block_offset));
335
336 // SPS/PPS
337
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1419 for (i = 0; i < FF_ARRAY_ELEMS(h->ps.sps_list); i++) {
338 1376 ret = av_buffer_replace(&h->ps.sps_list[i], h1->ps.sps_list[i]);
339
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1376 if (ret < 0)
340 return ret;
341 }
342
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11051 for (i = 0; i < FF_ARRAY_ELEMS(h->ps.pps_list); i++) {
343 11008 ret = av_buffer_replace(&h->ps.pps_list[i], h1->ps.pps_list[i]);
344
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11008 if (ret < 0)
345 return ret;
346 }
347
348 43 ret = av_buffer_replace(&h->ps.pps_ref, h1->ps.pps_ref);
349
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43 if (ret < 0)
350 return ret;
351 43 h->ps.pps = NULL;
352 43 h->ps.sps = NULL;
353
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43 if (h1->ps.pps_ref) {
354 43 h->ps.pps = (const PPS*)h->ps.pps_ref->data;
355 43 h->ps.sps = h->ps.pps->sps;
356 }
357
358
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43 if (need_reinit || !inited) {
359 8 h->width = h1->width;
360 8 h->height = h1->height;
361 8 h->mb_height = h1->mb_height;
362 8 h->mb_width = h1->mb_width;
363 8 h->mb_num = h1->mb_num;
364 8 h->mb_stride = h1->mb_stride;
365 8 h->b_stride = h1->b_stride;
366 8 h->x264_build = h1->x264_build;
367
368
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8 if (h->context_initialized || h1->context_initialized) {
369
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8 if ((err = h264_slice_header_init(h)) < 0) {
370 av_log(h->avctx, AV_LOG_ERROR, "h264_slice_header_init() failed");
371 return err;
372 }
373 }
374
375 /* copy block_offset since frame_start may not be called */
376 8 memcpy(h->block_offset, h1->block_offset, sizeof(h->block_offset));
377 }
378
379 43 h->avctx->coded_height = h1->avctx->coded_height;
380 43 h->avctx->coded_width = h1->avctx->coded_width;
381 43 h->avctx->width = h1->avctx->width;
382 43 h->avctx->height = h1->avctx->height;
383 43 h->width_from_caller = h1->width_from_caller;
384 43 h->height_from_caller = h1->height_from_caller;
385 43 h->coded_picture_number = h1->coded_picture_number;
386 43 h->first_field = h1->first_field;
387 43 h->picture_structure = h1->picture_structure;
388 43 h->mb_aff_frame = h1->mb_aff_frame;
389 43 h->droppable = h1->droppable;
390
391
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1591 for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
392 1548 ret = ff_h264_replace_picture(h, &h->DPB[i], &h1->DPB[i]);
393
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1548 if (ret < 0)
394 return ret;
395 }
396
397
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43 h->cur_pic_ptr = REBASE_PICTURE(h1->cur_pic_ptr, h, h1);
398 43 ret = ff_h264_replace_picture(h, &h->cur_pic, &h1->cur_pic);
399
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43 if (ret < 0)
400 return ret;
401
402 43 h->enable_er = h1->enable_er;
403 43 h->workaround_bugs = h1->workaround_bugs;
404 43 h->droppable = h1->droppable;
405
406 // extradata/NAL handling
407 43 h->is_avc = h1->is_avc;
408 43 h->nal_length_size = h1->nal_length_size;
409
410 43 memcpy(&h->poc, &h1->poc, sizeof(h->poc));
411
412 43 memcpy(h->short_ref, h1->short_ref, sizeof(h->short_ref));
413 43 memcpy(h->long_ref, h1->long_ref, sizeof(h->long_ref));
414 43 memcpy(h->delayed_pic, h1->delayed_pic, sizeof(h->delayed_pic));
415 43 memcpy(h->last_pocs, h1->last_pocs, sizeof(h->last_pocs));
416
417 43 h->next_output_pic = h1->next_output_pic;
418 43 h->next_outputed_poc = h1->next_outputed_poc;
419 43 h->poc_offset = h1->poc_offset;
420
421 43 memcpy(h->mmco, h1->mmco, sizeof(h->mmco));
422 43 h->nb_mmco = h1->nb_mmco;
423 43 h->mmco_reset = h1->mmco_reset;
424 43 h->explicit_ref_marking = h1->explicit_ref_marking;
425 43 h->long_ref_count = h1->long_ref_count;
426 43 h->short_ref_count = h1->short_ref_count;
427
428 43 copy_picture_range(h->short_ref, h1->short_ref, 32, h, h1);
429 43 copy_picture_range(h->long_ref, h1->long_ref, 32, h, h1);
430 43 copy_picture_range(h->delayed_pic, h1->delayed_pic,
431 MAX_DELAYED_PIC_COUNT + 2, h, h1);
432
433 43 h->frame_recovered = h1->frame_recovered;
434
435 43 ret = av_buffer_replace(&h->sei.a53_caption.buf_ref, h1->sei.a53_caption.buf_ref);
436
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43 if (ret < 0)
437 return ret;
438
439
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43 for (i = 0; i < h->sei.unregistered.nb_buf_ref; i++)
440 av_buffer_unref(&h->sei.unregistered.buf_ref[i]);
441 43 h->sei.unregistered.nb_buf_ref = 0;
442
443
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43 if (h1->sei.unregistered.nb_buf_ref) {
444 ret = av_reallocp_array(&h->sei.unregistered.buf_ref,
445 h1->sei.unregistered.nb_buf_ref,
446 sizeof(*h->sei.unregistered.buf_ref));
447 if (ret < 0)
448 return ret;
449
450 for (i = 0; i < h1->sei.unregistered.nb_buf_ref; i++) {
451 h->sei.unregistered.buf_ref[i] = av_buffer_ref(h1->sei.unregistered.buf_ref[i]);
452 if (!h->sei.unregistered.buf_ref[i])
453 return AVERROR(ENOMEM);
454 h->sei.unregistered.nb_buf_ref++;
455 }
456 }
457 43 h->sei.unregistered.x264_build = h1->sei.unregistered.x264_build;
458
459
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43 if (!h->cur_pic_ptr)
460 11 return 0;
461
462
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32 if (!h->droppable) {
463 19 err = ff_h264_execute_ref_pic_marking(h);
464 19 h->poc.prev_poc_msb = h->poc.poc_msb;
465 19 h->poc.prev_poc_lsb = h->poc.poc_lsb;
466 }
467 32 h->poc.prev_frame_num_offset = h->poc.frame_num_offset;
468 32 h->poc.prev_frame_num = h->poc.frame_num;
469
470 32 h->recovery_frame = h1->recovery_frame;
471
472 32 return err;
473 }
474
475 36 int ff_h264_update_thread_context_for_user(AVCodecContext *dst,
476 const AVCodecContext *src)
477 {
478 36 H264Context *h = dst->priv_data;
479 36 const H264Context *h1 = src->priv_data;
480
481 36 h->is_avc = h1->is_avc;
482 36 h->nal_length_size = h1->nal_length_size;
483
484 36 return 0;
485 }
486
487 23472 static int h264_frame_start(H264Context *h)
488 {
489 H264Picture *pic;
490 int i, ret;
491 23472 const int pixel_shift = h->pixel_shift;
492
493
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23472 if (!ff_thread_can_start_frame(h->avctx)) {
494 av_log(h->avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n");
495 return -1;
496 }
497
498 23472 release_unused_pictures(h, 1);
499 23472 h->cur_pic_ptr = NULL;
500
501 23472 i = find_unused_picture(h);
502
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23472 if (i < 0) {
503 av_log(h->avctx, AV_LOG_ERROR, "no frame buffer available\n");
504 return i;
505 }
506 23472 pic = &h->DPB[i];
507
508
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23472 pic->reference = h->droppable ? 0 : h->picture_structure;
509 23472 pic->f->coded_picture_number = h->coded_picture_number++;
510 23472 pic->field_picture = h->picture_structure != PICT_FRAME;
511 23472 pic->frame_num = h->poc.frame_num;
512 /*
513 * Zero key_frame here; IDR markings per slice in frame or fields are ORed
514 * in later.
515 * See decode_nal_units().
516 */
517 23472 pic->f->key_frame = 0;
518 23472 pic->mmco_reset = 0;
519 23472 pic->recovered = 0;
520 23472 pic->invalid_gap = 0;
521 23472 pic->sei_recovery_frame_cnt = h->sei.recovery_point.recovery_frame_cnt;
522
523 23472 pic->f->pict_type = h->slice_ctx[0].slice_type;
524
525 23472 pic->f->crop_left = h->crop_left;
526 23472 pic->f->crop_right = h->crop_right;
527 23472 pic->f->crop_top = h->crop_top;
528 23472 pic->f->crop_bottom = h->crop_bottom;
529
530
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23472 pic->needs_fg = h->sei.film_grain_characteristics.present && !h->avctx->hwaccel &&
531 !(h->avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN);
532
533
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23472 if ((ret = alloc_picture(h, pic)) < 0)
534 return ret;
535
536 23472 h->cur_pic_ptr = pic;
537 23472 ff_h264_unref_picture(h, &h->cur_pic);
538 if (CONFIG_ERROR_RESILIENCE) {
539 23472 ff_h264_set_erpic(&h->slice_ctx[0].er.cur_pic, NULL);
540 }
541
542
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23472 if ((ret = ff_h264_ref_picture(h, &h->cur_pic, h->cur_pic_ptr)) < 0)
543 return ret;
544
545
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47244 for (i = 0; i < h->nb_slice_ctx; i++) {
546 23772 h->slice_ctx[i].linesize = h->cur_pic_ptr->f->linesize[0];
547 23772 h->slice_ctx[i].uvlinesize = h->cur_pic_ptr->f->linesize[1];
548 }
549
550
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23472 if (CONFIG_ERROR_RESILIENCE && h->enable_er) {
551 23172 ff_er_frame_start(&h->slice_ctx[0].er);
552 23172 ff_h264_set_erpic(&h->slice_ctx[0].er.last_pic, NULL);
553 23172 ff_h264_set_erpic(&h->slice_ctx[0].er.next_pic, NULL);
554 }
555
556
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399024 for (i = 0; i < 16; i++) {
557 375552 h->block_offset[i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3);
558 375552 h->block_offset[48 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3);
559 }
560
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399024 for (i = 0; i < 16; i++) {
561 375552 h->block_offset[16 + i] =
562 375552 h->block_offset[32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3);
563 375552 h->block_offset[48 + 16 + i] =
564 375552 h->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3);
565 }
566
567 /* We mark the current picture as non-reference after allocating it, so
568 * that if we break out due to an error it can be released automatically
569 * in the next ff_mpv_frame_start().
570 */
571 23472 h->cur_pic_ptr->reference = 0;
572
573 23472 h->cur_pic_ptr->field_poc[0] = h->cur_pic_ptr->field_poc[1] = INT_MAX;
574
575 23472 h->next_output_pic = NULL;
576
577 23472 h->postpone_filter = 0;
578
579
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23472 h->mb_aff_frame = h->ps.sps->mb_aff && (h->picture_structure == PICT_FRAME);
580
581
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23472 if (h->sei.unregistered.x264_build >= 0)
582 1829 h->x264_build = h->sei.unregistered.x264_build;
583
584 assert(h->cur_pic_ptr->long_ref == 0);
585
586 23472 return 0;
587 }
588
589 11609103 static av_always_inline void backup_mb_border(const H264Context *h, H264SliceContext *sl,
590 uint8_t *src_y,
591 uint8_t *src_cb, uint8_t *src_cr,
592 int linesize, int uvlinesize,
593 int simple)
594 {
595 uint8_t *top_border;
596 11609103 int top_idx = 1;
597 11609103 const int pixel_shift = h->pixel_shift;
598 11609103 int chroma444 = CHROMA444(h);
599 11609103 int chroma422 = CHROMA422(h);
600
601 11609103 src_y -= linesize;
602 11609103 src_cb -= uvlinesize;
603 11609103 src_cr -= uvlinesize;
604
605
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11609103 if (!simple && FRAME_MBAFF(h)) {
606
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1814136 if (sl->mb_y & 1) {
607
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907068 if (!MB_MBAFF(sl)) {
608 665811 top_border = sl->top_borders[0][sl->mb_x];
609 665811 AV_COPY128(top_border, src_y + 15 * linesize);
610
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665811 if (pixel_shift)
611 213139 AV_COPY128(top_border + 16, src_y + 15 * linesize + 16);
612 if (simple || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) {
613
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665811 if (chroma444) {
614 if (pixel_shift) {
615 AV_COPY128(top_border + 32, src_cb + 15 * uvlinesize);
616 AV_COPY128(top_border + 48, src_cb + 15 * uvlinesize + 16);
617 AV_COPY128(top_border + 64, src_cr + 15 * uvlinesize);
618 AV_COPY128(top_border + 80, src_cr + 15 * uvlinesize + 16);
619 } else {
620 AV_COPY128(top_border + 16, src_cb + 15 * uvlinesize);
621 AV_COPY128(top_border + 32, src_cr + 15 * uvlinesize);
622 }
623
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665811 } else if (chroma422) {
624
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106510 if (pixel_shift) {
625 106510 AV_COPY128(top_border + 32, src_cb + 15 * uvlinesize);
626 106510 AV_COPY128(top_border + 48, src_cr + 15 * uvlinesize);
627 } else {
628 AV_COPY64(top_border + 16, src_cb + 15 * uvlinesize);
629 AV_COPY64(top_border + 24, src_cr + 15 * uvlinesize);
630 }
631 } else {
632
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559301 if (pixel_shift) {
633 106629 AV_COPY128(top_border + 32, src_cb + 7 * uvlinesize);
634 106629 AV_COPY128(top_border + 48, src_cr + 7 * uvlinesize);
635 } else {
636 452672 AV_COPY64(top_border + 16, src_cb + 7 * uvlinesize);
637 452672 AV_COPY64(top_border + 24, src_cr + 7 * uvlinesize);
638 }
639 }
640 }
641 }
642
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907068 } else if (MB_MBAFF(sl)) {
643 241257 top_idx = 0;
644 } else
645 665811 return;
646 }
647
648 10943292 top_border = sl->top_borders[top_idx][sl->mb_x];
649 /* There are two lines saved, the line above the top macroblock
650 * of a pair, and the line above the bottom macroblock. */
651 10943292 AV_COPY128(top_border, src_y + 16 * linesize);
652
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10943292 if (pixel_shift)
653 1300901 AV_COPY128(top_border + 16, src_y + 16 * linesize + 16);
654
655 if (simple || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) {
656
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10943292 if (chroma444) {
657
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80328 if (pixel_shift) {
658 19800 AV_COPY128(top_border + 32, src_cb + 16 * linesize);
659 19800 AV_COPY128(top_border + 48, src_cb + 16 * linesize + 16);
660 19800 AV_COPY128(top_border + 64, src_cr + 16 * linesize);
661 19800 AV_COPY128(top_border + 80, src_cr + 16 * linesize + 16);
662 } else {
663 60528 AV_COPY128(top_border + 16, src_cb + 16 * linesize);
664 60528 AV_COPY128(top_border + 32, src_cr + 16 * linesize);
665 }
666
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10862964 } else if (chroma422) {
667
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588635 if (pixel_shift) {
668 584675 AV_COPY128(top_border + 32, src_cb + 16 * uvlinesize);
669 584675 AV_COPY128(top_border + 48, src_cr + 16 * uvlinesize);
670 } else {
671 3960 AV_COPY64(top_border + 16, src_cb + 16 * uvlinesize);
672 3960 AV_COPY64(top_border + 24, src_cr + 16 * uvlinesize);
673 }
674 } else {
675
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10274329 if (pixel_shift) {
676 696426 AV_COPY128(top_border + 32, src_cb + 8 * uvlinesize);
677 696426 AV_COPY128(top_border + 48, src_cr + 8 * uvlinesize);
678 } else {
679 9577903 AV_COPY64(top_border + 16, src_cb + 8 * uvlinesize);
680 9577903 AV_COPY64(top_border + 24, src_cr + 8 * uvlinesize);
681 }
682 }
683 }
684 }
685
686 /**
687 * Initialize implicit_weight table.
688 * @param field 0/1 initialize the weight for interlaced MBAFF
689 * -1 initializes the rest
690 */
691 3299 static void implicit_weight_table(const H264Context *h, H264SliceContext *sl, int field)
692 {
693 int ref0, ref1, i, cur_poc, ref_start, ref_count0, ref_count1;
694
695
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9897 for (i = 0; i < 2; i++) {
696 6598 sl->pwt.luma_weight_flag[i] = 0;
697 6598 sl->pwt.chroma_weight_flag[i] = 0;
698 }
699
700
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3299 if (field < 0) {
701
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1589 if (h->picture_structure == PICT_FRAME) {
702 1589 cur_poc = h->cur_pic_ptr->poc;
703 } else {
704 cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure - 1];
705 }
706
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1589 if (sl->ref_count[0] == 1 && sl->ref_count[1] == 1 && !FRAME_MBAFF(h) &&
707
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97 sl->ref_list[0][0].poc + (int64_t)sl->ref_list[1][0].poc == 2LL * cur_poc) {
708 34 sl->pwt.use_weight = 0;
709 34 sl->pwt.use_weight_chroma = 0;
710 34 return;
711 }
712 1555 ref_start = 0;
713 1555 ref_count0 = sl->ref_count[0];
714 1555 ref_count1 = sl->ref_count[1];
715 } else {
716 1710 cur_poc = h->cur_pic_ptr->field_poc[field];
717 1710 ref_start = 16;
718 1710 ref_count0 = 16 + 2 * sl->ref_count[0];
719 1710 ref_count1 = 16 + 2 * sl->ref_count[1];
720 }
721
722 3265 sl->pwt.use_weight = 2;
723 3265 sl->pwt.use_weight_chroma = 2;
724 3265 sl->pwt.luma_log2_weight_denom = 5;
725 3265 sl->pwt.chroma_log2_weight_denom = 5;
726
727
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14879 for (ref0 = ref_start; ref0 < ref_count0; ref0++) {
728 11614 int64_t poc0 = sl->ref_list[0][ref0].poc;
729
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33317 for (ref1 = ref_start; ref1 < ref_count1; ref1++) {
730 21703 int w = 32;
731
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21703 if (!sl->ref_list[0][ref0].parent->long_ref && !sl->ref_list[1][ref1].parent->long_ref) {
732 21703 int poc1 = sl->ref_list[1][ref1].poc;
733 21703 int td = av_clip_int8(poc1 - poc0);
734
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21703 if (td) {
735 21637 int tb = av_clip_int8(cur_poc - poc0);
736 21637 int tx = (16384 + (FFABS(td) >> 1)) / td;
737 21637 int dist_scale_factor = (tb * tx + 32) >> 8;
738
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21637 if (dist_scale_factor >= -64 && dist_scale_factor <= 128)
739 21633 w = 64 - dist_scale_factor;
740 }
741 }
742
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21703 if (field < 0) {
743 5823 sl->pwt.implicit_weight[ref0][ref1][0] =
744 5823 sl->pwt.implicit_weight[ref0][ref1][1] = w;
745 } else {
746 15880 sl->pwt.implicit_weight[ref0][ref1][field] = w;
747 }
748 }
749 }
750 }
751
752 /**
753 * initialize scan tables
754 */
755 546 static void init_scan_tables(H264Context *h)
756 {
757 int i;
758
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9282 for (i = 0; i < 16; i++) {
759 #define TRANSPOSE(x) ((x) >> 2) | (((x) << 2) & 0xF)
760 8736 h->zigzag_scan[i] = TRANSPOSE(ff_zigzag_scan[i]);
761 8736 h->field_scan[i] = TRANSPOSE(field_scan[i]);
762 #undef TRANSPOSE
763 }
764
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35490 for (i = 0; i < 64; i++) {
765 #define TRANSPOSE(x) ((x) >> 3) | (((x) & 7) << 3)
766 34944 h->zigzag_scan8x8[i] = TRANSPOSE(ff_zigzag_direct[i]);
767 34944 h->zigzag_scan8x8_cavlc[i] = TRANSPOSE(zigzag_scan8x8_cavlc[i]);
768 34944 h->field_scan8x8[i] = TRANSPOSE(field_scan8x8[i]);
769 34944 h->field_scan8x8_cavlc[i] = TRANSPOSE(field_scan8x8_cavlc[i]);
770 #undef TRANSPOSE
771 }
772
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546 if (h->ps.sps->transform_bypass) { // FIXME same ugly
773 12 memcpy(h->zigzag_scan_q0 , ff_zigzag_scan , sizeof(h->zigzag_scan_q0 ));
774 12 memcpy(h->zigzag_scan8x8_q0 , ff_zigzag_direct , sizeof(h->zigzag_scan8x8_q0 ));
775 12 memcpy(h->zigzag_scan8x8_cavlc_q0 , zigzag_scan8x8_cavlc , sizeof(h->zigzag_scan8x8_cavlc_q0));
776 12 memcpy(h->field_scan_q0 , field_scan , sizeof(h->field_scan_q0 ));
777 12 memcpy(h->field_scan8x8_q0 , field_scan8x8 , sizeof(h->field_scan8x8_q0 ));
778 12 memcpy(h->field_scan8x8_cavlc_q0 , field_scan8x8_cavlc , sizeof(h->field_scan8x8_cavlc_q0 ));
779 } else {
780 534 memcpy(h->zigzag_scan_q0 , h->zigzag_scan , sizeof(h->zigzag_scan_q0 ));
781 534 memcpy(h->zigzag_scan8x8_q0 , h->zigzag_scan8x8 , sizeof(h->zigzag_scan8x8_q0 ));
782 534 memcpy(h->zigzag_scan8x8_cavlc_q0 , h->zigzag_scan8x8_cavlc , sizeof(h->zigzag_scan8x8_cavlc_q0));
783 534 memcpy(h->field_scan_q0 , h->field_scan , sizeof(h->field_scan_q0 ));
784 534 memcpy(h->field_scan8x8_q0 , h->field_scan8x8 , sizeof(h->field_scan8x8_q0 ));
785 534 memcpy(h->field_scan8x8_cavlc_q0 , h->field_scan8x8_cavlc , sizeof(h->field_scan8x8_cavlc_q0 ));
786 }
787 546 }
788
789 26353 static enum AVPixelFormat get_pixel_format(H264Context *h, int force_callback)
790 {
791 #define HWACCEL_MAX (CONFIG_H264_DXVA2_HWACCEL + \
792 (CONFIG_H264_D3D11VA_HWACCEL * 2) + \
793 CONFIG_H264_NVDEC_HWACCEL + \
794 CONFIG_H264_VAAPI_HWACCEL + \
795 CONFIG_H264_VIDEOTOOLBOX_HWACCEL + \
796 CONFIG_H264_VDPAU_HWACCEL)
797 26353 enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmt = pix_fmts;
798 26353 const enum AVPixelFormat *choices = pix_fmts;
799 int i;
800
801
3/6
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26353 switch (h->ps.sps->bit_depth_luma) {
802 155 case 9:
803
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155 if (CHROMA444(h)) {
804 if (h->avctx->colorspace == AVCOL_SPC_RGB) {
805 *fmt++ = AV_PIX_FMT_GBRP9;
806 } else
807 *fmt++ = AV_PIX_FMT_YUV444P9;
808
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155 } else if (CHROMA422(h))
809 52 *fmt++ = AV_PIX_FMT_YUV422P9;
810 else
811 103 *fmt++ = AV_PIX_FMT_YUV420P9;
812 155 break;
813 355 case 10:
814
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355 if (CHROMA444(h)) {
815
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51 if (h->avctx->colorspace == AVCOL_SPC_RGB) {
816 *fmt++ = AV_PIX_FMT_GBRP10;
817 } else
818 51 *fmt++ = AV_PIX_FMT_YUV444P10;
819
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304 } else if (CHROMA422(h))
820 164 *fmt++ = AV_PIX_FMT_YUV422P10;
821 else
822 140 *fmt++ = AV_PIX_FMT_YUV420P10;
823 355 break;
824 case 12:
825 if (CHROMA444(h)) {
826 if (h->avctx->colorspace == AVCOL_SPC_RGB) {
827 *fmt++ = AV_PIX_FMT_GBRP12;
828 } else
829 *fmt++ = AV_PIX_FMT_YUV444P12;
830 } else if (CHROMA422(h))
831 *fmt++ = AV_PIX_FMT_YUV422P12;
832 else
833 *fmt++ = AV_PIX_FMT_YUV420P12;
834 break;
835 case 14:
836 if (CHROMA444(h)) {
837 if (h->avctx->colorspace == AVCOL_SPC_RGB) {
838 *fmt++ = AV_PIX_FMT_GBRP14;
839 } else
840 *fmt++ = AV_PIX_FMT_YUV444P14;
841 } else if (CHROMA422(h))
842 *fmt++ = AV_PIX_FMT_YUV422P14;
843 else
844 *fmt++ = AV_PIX_FMT_YUV420P14;
845 break;
846 25843 case 8:
847 #if CONFIG_H264_VDPAU_HWACCEL
848 25843 *fmt++ = AV_PIX_FMT_VDPAU;
849 #endif
850 #if CONFIG_H264_NVDEC_HWACCEL
851 *fmt++ = AV_PIX_FMT_CUDA;
852 #endif
853
2/2
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25843 if (CHROMA444(h)) {
854
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405 if (h->avctx->colorspace == AVCOL_SPC_RGB)
855 *fmt++ = AV_PIX_FMT_GBRP;
856
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405 else if (h->avctx->color_range == AVCOL_RANGE_JPEG)
857 2 *fmt++ = AV_PIX_FMT_YUVJ444P;
858 else
859 403 *fmt++ = AV_PIX_FMT_YUV444P;
860
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25438 } else if (CHROMA422(h)) {
861
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22 if (h->avctx->color_range == AVCOL_RANGE_JPEG)
862 *fmt++ = AV_PIX_FMT_YUVJ422P;
863 else
864 22 *fmt++ = AV_PIX_FMT_YUV422P;
865 } else {
866 #if CONFIG_H264_DXVA2_HWACCEL
867 *fmt++ = AV_PIX_FMT_DXVA2_VLD;
868 #endif
869 #if CONFIG_H264_D3D11VA_HWACCEL
870 *fmt++ = AV_PIX_FMT_D3D11VA_VLD;
871 *fmt++ = AV_PIX_FMT_D3D11;
872 #endif
873 #if CONFIG_H264_VAAPI_HWACCEL
874 25416 *fmt++ = AV_PIX_FMT_VAAPI;
875 #endif
876 #if CONFIG_H264_VIDEOTOOLBOX_HWACCEL
877 *fmt++ = AV_PIX_FMT_VIDEOTOOLBOX;
878 #endif
879
1/2
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25416 if (h->avctx->codec->pix_fmts)
880 choices = h->avctx->codec->pix_fmts;
881
2/2
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✓ Branch 1 taken 25413 times.
25416 else if (h->avctx->color_range == AVCOL_RANGE_JPEG)
882 3 *fmt++ = AV_PIX_FMT_YUVJ420P;
883 else
884 25413 *fmt++ = AV_PIX_FMT_YUV420P;
885 }
886 25843 break;
887 default:
888 av_log(h->avctx, AV_LOG_ERROR,
889 "Unsupported bit depth %d\n", h->ps.sps->bit_depth_luma);
890 return AVERROR_INVALIDDATA;
891 }
892
893 26353 *fmt = AV_PIX_FMT_NONE;
894
895
2/2
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78153 for (i=0; choices[i] != AV_PIX_FMT_NONE; i++)
896
4/4
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✓ Branch 3 taken 239 times.
77612 if (choices[i] == h->avctx->pix_fmt && !force_callback)
897 25812 return choices[i];
898 541 return ff_thread_get_format(h->avctx, choices);
899 }
900
901 /* export coded and cropped frame dimensions to AVCodecContext */
902 26111 static void init_dimensions(H264Context *h)
903 {
904 26111 const SPS *sps = (const SPS*)h->ps.sps;
905 26111 int cr = sps->crop_right;
906 26111 int cl = sps->crop_left;
907 26111 int ct = sps->crop_top;
908 26111 int cb = sps->crop_bottom;
909 26111 int width = h->width - (cr + cl);
910 26111 int height = h->height - (ct + cb);
911
1/2
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26111 av_assert0(sps->crop_right + sps->crop_left < (unsigned)h->width);
912
1/2
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26111 av_assert0(sps->crop_top + sps->crop_bottom < (unsigned)h->height);
913
914 /* handle container cropping */
915
3/4
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26111 if (h->width_from_caller > 0 && h->height_from_caller > 0 &&
916
3/4
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23892 !sps->crop_top && !sps->crop_left &&
917
2/2
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✓ Branch 1 taken 5 times.
23891 FFALIGN(h->width_from_caller, 16) == FFALIGN(width, 16) &&
918
1/2
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23886 FFALIGN(h->height_from_caller, 16) == FFALIGN(height, 16) &&
919
1/2
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23886 h->width_from_caller <= width &&
920
2/2
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23886 h->height_from_caller <= height) {
921 23885 width = h->width_from_caller;
922 23885 height = h->height_from_caller;
923 23885 cl = 0;
924 23885 ct = 0;
925 23885 cr = h->width - width;
926 23885 cb = h->height - height;
927 } else {
928 2226 h->width_from_caller = 0;
929 2226 h->height_from_caller = 0;
930 }
931
932 26111 h->avctx->coded_width = h->width;
933 26111 h->avctx->coded_height = h->height;
934 26111 h->avctx->width = width;
935 26111 h->avctx->height = height;
936 26111 h->crop_right = cr;
937 26111 h->crop_left = cl;
938 26111 h->crop_top = ct;
939 26111 h->crop_bottom = cb;
940 26111 }
941
942 546 static int h264_slice_header_init(H264Context *h)
943 {
944 546 const SPS *sps = h->ps.sps;
945 int i, ret;
946
947
1/2
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546 if (!sps) {
948 ret = AVERROR_INVALIDDATA;
949 goto fail;
950 }
951
952 546 ff_set_sar(h->avctx, sps->sar);
953 546 av_pix_fmt_get_chroma_sub_sample(h->avctx->pix_fmt,
954 &h->chroma_x_shift, &h->chroma_y_shift);
955
956
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546 if (sps->timing_info_present_flag) {
957 143 int64_t den = sps->time_scale;
958
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143 if (h->x264_build < 44U)
959 den *= 2;
960 143 av_reduce(&h->avctx->framerate.den, &h->avctx->framerate.num,
961 143 sps->num_units_in_tick * h->avctx->ticks_per_frame, den, 1 << 30);
962 }
963
964 546 ff_h264_free_tables(h);
965
966 546 h->first_field = 0;
967 546 h->prev_interlaced_frame = 1;
968
969 546 init_scan_tables(h);
970 546 ret = ff_h264_alloc_tables(h);
971
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546 if (ret < 0) {
972 av_log(h->avctx, AV_LOG_ERROR, "Could not allocate memory\n");
973 goto fail;
974 }
975
976
2/4
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546 if (sps->bit_depth_luma < 8 || sps->bit_depth_luma > 14 ||
977
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546 sps->bit_depth_luma == 11 || sps->bit_depth_luma == 13
978 ) {
979 av_log(h->avctx, AV_LOG_ERROR, "Unsupported bit depth %d\n",
980 sps->bit_depth_luma);
981 ret = AVERROR_INVALIDDATA;
982 goto fail;
983 }
984
985 546 h->cur_bit_depth_luma =
986 546 h->avctx->bits_per_raw_sample = sps->bit_depth_luma;
987 546 h->cur_chroma_format_idc = sps->chroma_format_idc;
988 546 h->pixel_shift = sps->bit_depth_luma > 8;
989 546 h->chroma_format_idc = sps->chroma_format_idc;
990 546 h->bit_depth_luma = sps->bit_depth_luma;
991
992 546 ff_h264dsp_init(&h->h264dsp, sps->bit_depth_luma,
993 546 sps->chroma_format_idc);
994 546 ff_h264chroma_init(&h->h264chroma, sps->bit_depth_chroma);
995 546 ff_h264qpel_init(&h->h264qpel, sps->bit_depth_luma);
996 546 ff_h264_pred_init(&h->hpc, h->avctx->codec_id, sps->bit_depth_luma,
997 546 sps->chroma_format_idc);
998 546 ff_videodsp_init(&h->vdsp, sps->bit_depth_luma);
999
1000
2/2
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546 if (!HAVE_THREADS || !(h->avctx->active_thread_type & FF_THREAD_SLICE)) {
1001 545 ret = ff_h264_slice_context_init(h, &h->slice_ctx[0]);
1002
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545 if (ret < 0) {
1003 av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n");
1004 goto fail;
1005 }
1006 } else {
1007
2/2
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3 for (i = 0; i < h->nb_slice_ctx; i++) {
1008 2 H264SliceContext *sl = &h->slice_ctx[i];
1009
1010 2 sl->h264 = h;
1011 2 sl->intra4x4_pred_mode = h->intra4x4_pred_mode + i * 8 * 2 * h->mb_stride;
1012 2 sl->mvd_table[0] = h->mvd_table[0] + i * 8 * 2 * h->mb_stride;
1013 2 sl->mvd_table[1] = h->mvd_table[1] + i * 8 * 2 * h->mb_stride;
1014
1015
1/2
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2 if ((ret = ff_h264_slice_context_init(h, sl)) < 0) {
1016 av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n");
1017 goto fail;
1018 }
1019 }
1020 }
1021
1022 546 h->context_initialized = 1;
1023
1024 546 return 0;
1025 fail:
1026 ff_h264_free_tables(h);
1027 h->context_initialized = 0;
1028 return ret;
1029 }
1030
1031 51630 static enum AVPixelFormat non_j_pixfmt(enum AVPixelFormat a)
1032 {
1033
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✓ Branch 3 taken 51628 times.
51630 switch (a) {
1034 2 case AV_PIX_FMT_YUVJ420P: return AV_PIX_FMT_YUV420P;
1035 case AV_PIX_FMT_YUVJ422P: return AV_PIX_FMT_YUV422P;
1036 case AV_PIX_FMT_YUVJ444P: return AV_PIX_FMT_YUV444P;
1037 51628 default:
1038 51628 return a;
1039 }
1040 }
1041
1042 26111 static int h264_init_ps(H264Context *h, const H264SliceContext *sl, int first_slice)
1043 {
1044 const SPS *sps;
1045 26111 int needs_reinit = 0, must_reinit, ret;
1046
1047
2/2
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26111 if (first_slice) {
1048 25918 av_buffer_unref(&h->ps.pps_ref);
1049 25918 h->ps.pps = NULL;
1050 25918 h->ps.pps_ref = av_buffer_ref(h->ps.pps_list[sl->pps_id]);
1051
1/2
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✓ Branch 1 taken 25918 times.
25918 if (!h->ps.pps_ref)
1052 return AVERROR(ENOMEM);
1053 25918 h->ps.pps = (const PPS*)h->ps.pps_ref->data;
1054 }
1055
1056
2/2
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26111 if (h->ps.sps != h->ps.pps->sps) {
1057 542 h->ps.sps = (const SPS*)h->ps.pps->sps;
1058
1059
2/2
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542 if (h->mb_width != h->ps.sps->mb_width ||
1060
1/2
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✗ Branch 1 not taken.
6 h->mb_height != h->ps.sps->mb_height ||
1061
2/2
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6 h->cur_bit_depth_luma != h->ps.sps->bit_depth_luma ||
1062
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5 h->cur_chroma_format_idc != h->ps.sps->chroma_format_idc
1063 )
1064 538 needs_reinit = 1;
1065
1066
2/2
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✓ Branch 1 taken 534 times.
542 if (h->bit_depth_luma != h->ps.sps->bit_depth_luma ||
1067
2/2
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✓ Branch 1 taken 7 times.
8 h->chroma_format_idc != h->ps.sps->chroma_format_idc)
1068 535 needs_reinit = 1;
1069 }
1070 26111 sps = h->ps.sps;
1071
1072
2/2
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51690 must_reinit = (h->context_initialized &&
1073
2/2
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✓ Branch 1 taken 4 times.
25579 ( 16*sps->mb_width != h->avctx->coded_width
1074
1/2
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✗ Branch 1 not taken.
25575 || 16*sps->mb_height != h->avctx->coded_height
1075
2/2
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✓ Branch 1 taken 1 times.
25575 || h->cur_bit_depth_luma != sps->bit_depth_luma
1076
2/2
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✓ Branch 1 taken 1 times.
25574 || h->cur_chroma_format_idc != sps->chroma_format_idc
1077
1/2
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✗ Branch 1 not taken.
25573 || h->mb_width != sps->mb_width
1078
1/2
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✓ Branch 1 taken 25573 times.
25573 || h->mb_height != sps->mb_height
1079 ));
1080
2/2
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✓ Branch 1 taken 296 times.
26111 if (h->avctx->pix_fmt == AV_PIX_FMT_NONE
1081
2/2
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✓ Branch 4 taken 25812 times.
25815 || (non_j_pixfmt(h->avctx->pix_fmt) != non_j_pixfmt(get_pixel_format(h, 0))))
1082 299 must_reinit = 1;
1083
1084
4/4
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26111 if (first_slice && av_cmp_q(sps->sar, h->avctx->sample_aspect_ratio))
1085 53 must_reinit = 1;
1086
1087
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26111 if (!h->setup_finished) {
1088 26111 h->avctx->profile = ff_h264_get_profile(sps);
1089 26111 h->avctx->level = sps->level_idc;
1090 26111 h->avctx->refs = sps->ref_frame_count;
1091
1092 26111 h->mb_width = sps->mb_width;
1093 26111 h->mb_height = sps->mb_height;
1094 26111 h->mb_num = h->mb_width * h->mb_height;
1095 26111 h->mb_stride = h->mb_width + 1;
1096
1097 26111 h->b_stride = h->mb_width * 4;
1098
1099 26111 h->chroma_y_shift = sps->chroma_format_idc <= 1; // 400 uses yuv420p
1100
1101 26111 h->width = 16 * h->mb_width;
1102 26111 h->height = 16 * h->mb_height;
1103
1104 26111 init_dimensions(h);
1105
1106
2/2
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✓ Branch 1 taken 25243 times.
26111 if (sps->video_signal_type_present_flag) {
1107 1736 h->avctx->color_range = sps->full_range > 0 ? AVCOL_RANGE_JPEG
1108
2/2
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✓ Branch 1 taken 866 times.
868 : AVCOL_RANGE_MPEG;
1109
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✓ Branch 1 taken 98 times.
868 if (sps->colour_description_present_flag) {
1110
2/2
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770 if (h->avctx->colorspace != sps->colorspace)
1111 14 needs_reinit = 1;
1112 770 h->avctx->color_primaries = sps->color_primaries;
1113 770 h->avctx->color_trc = sps->color_trc;
1114 770 h->avctx->colorspace = sps->colorspace;
1115 }
1116 }
1117
1118
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26111 if (h->sei.alternative_transfer.present &&
1119 av_color_transfer_name(h->sei.alternative_transfer.preferred_transfer_characteristics) &&
1120 h->sei.alternative_transfer.preferred_transfer_characteristics != AVCOL_TRC_UNSPECIFIED) {
1121 h->avctx->color_trc = h->sei.alternative_transfer.preferred_transfer_characteristics;
1122 }
1123 }
1124 26111 h->avctx->chroma_sample_location = sps->chroma_location;
1125
1126
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26111 if (!h->context_initialized || must_reinit || needs_reinit) {
1127 538 int flush_changes = h->context_initialized;
1128 538 h->context_initialized = 0;
1129
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✓ Branch 1 taken 538 times.
538 if (sl != h->slice_ctx) {
1130 av_log(h->avctx, AV_LOG_ERROR,
1131 "changing width %d -> %d / height %d -> %d on "
1132 "slice %d\n",
1133 h->width, h->avctx->coded_width,
1134 h->height, h->avctx->coded_height,
1135 h->current_slice + 1);
1136 return AVERROR_INVALIDDATA;
1137 }
1138
1139 av_assert1(first_slice);
1140
1141
2/2
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538 if (flush_changes)
1142 6 ff_h264_flush_change(h);
1143
1144
1/2
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538 if ((ret = get_pixel_format(h, 1)) < 0)
1145 return ret;
1146 538 h->avctx->pix_fmt = ret;
1147
1148 538 av_log(h->avctx, AV_LOG_VERBOSE, "Reinit context to %dx%d, "
1149 538 "pix_fmt: %s\n", h->width, h->height, av_get_pix_fmt_name(h->avctx->pix_fmt));
1150
1151
1/2
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538 if ((ret = h264_slice_header_init(h)) < 0) {
1152 av_log(h->avctx, AV_LOG_ERROR,
1153 "h264_slice_header_init() failed\n");
1154 return ret;
1155 }
1156 }
1157
1158 26111 return 0;
1159 }
1160
1161 22774 static int h264_export_frame_props(H264Context *h)
1162 {
1163 22774 const SPS *sps = h->ps.sps;
1164 22774 H264Picture *cur = h->cur_pic_ptr;
1165 22774 AVFrame *out = cur->f;
1166
1167 22774 out->interlaced_frame = 0;
1168 22774 out->repeat_pict = 0;
1169
1170 /* Signal interlacing information externally. */
1171 /* Prioritize picture timing SEI information over used
1172 * decoding process if it exists. */
1173
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22774 if (h->sei.picture_timing.present) {
1174 1358 int ret = ff_h264_sei_process_picture_timing(&h->sei.picture_timing, sps,
1175 1358 h->avctx);
1176
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1358 if (ret < 0) {
1177 av_log(h->avctx, AV_LOG_ERROR, "Error processing a picture timing SEI\n");
1178 if (h->avctx->err_recognition & AV_EF_EXPLODE)
1179 return ret;
1180 h->sei.picture_timing.present = 0;
1181 }
1182 }
1183
1184
4/4
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✓ Branch 3 taken 86 times.
24124 if (sps->pic_struct_present_flag && h->sei.picture_timing.present) {
1185 1350 H264SEIPictureTiming *pt = &h->sei.picture_timing;
1186
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1350 switch (pt->pic_struct) {
1187 132 case H264_SEI_PIC_STRUCT_FRAME:
1188 132 break;
1189 347 case H264_SEI_PIC_STRUCT_TOP_FIELD:
1190 case H264_SEI_PIC_STRUCT_BOTTOM_FIELD:
1191 347 out->interlaced_frame = 1;
1192 347 break;
1193 704 case H264_SEI_PIC_STRUCT_TOP_BOTTOM:
1194 case H264_SEI_PIC_STRUCT_BOTTOM_TOP:
1195
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704 if (FIELD_OR_MBAFF_PICTURE(h))
1196 700 out->interlaced_frame = 1;
1197 else
1198 // try to flag soft telecine progressive
1199 4 out->interlaced_frame = h->prev_interlaced_frame;
1200 704 break;
1201 167 case H264_SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
1202 case H264_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
1203 /* Signal the possibility of telecined film externally
1204 * (pic_struct 5,6). From these hints, let the applications
1205 * decide if they apply deinterlacing. */
1206 167 out->repeat_pict = 1;
1207 167 break;
1208 case H264_SEI_PIC_STRUCT_FRAME_DOUBLING:
1209 out->repeat_pict = 2;
1210 break;
1211 case H264_SEI_PIC_STRUCT_FRAME_TRIPLING:
1212 out->repeat_pict = 4;
1213 break;
1214 }
1215
1216
2/2
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✓ Branch 1 taken 699 times.
1350 if ((pt->ct_type & 3) &&
1217
2/2
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✓ Branch 1 taken 164 times.
651 pt->pic_struct <= H264_SEI_PIC_STRUCT_BOTTOM_TOP)
1218 487 out->interlaced_frame = (pt->ct_type & (1 << 1)) != 0;
1219 } else {
1220 /* Derive interlacing flag from used decoding process. */
1221
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✓ Branch 3 taken 17016 times.
21424 out->interlaced_frame = FIELD_OR_MBAFF_PICTURE(h);
1222 }
1223 22774 h->prev_interlaced_frame = out->interlaced_frame;
1224
1225
2/2
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✓ Branch 1 taken 19506 times.
22774 if (cur->field_poc[0] != cur->field_poc[1]) {
1226 /* Derive top_field_first from field pocs. */
1227 3268 out->top_field_first = cur->field_poc[0] < cur->field_poc[1];
1228 } else {
1229
4/4
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✓ Branch 3 taken 86 times.
19506 if (sps->pic_struct_present_flag && h->sei.picture_timing.present) {
1230 /* Use picture timing SEI information. Even if it is a
1231 * information of a past frame, better than nothing. */
1232
2/2
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139 if (h->sei.picture_timing.pic_struct == H264_SEI_PIC_STRUCT_TOP_BOTTOM ||
1233
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✓ Branch 1 taken 136 times.
138 h->sei.picture_timing.pic_struct == H264_SEI_PIC_STRUCT_TOP_BOTTOM_TOP)
1234 3 out->top_field_first = 1;
1235 else
1236 136 out->top_field_first = 0;
1237
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19367 } else if (out->interlaced_frame) {
1238 /* Default to top field first when pic_struct_present_flag
1239 * is not set but interlaced frame detected */
1240 2554 out->top_field_first = 1;
1241 } else {
1242 /* Most likely progressive */
1243 16813 out->top_field_first = 0;
1244 }
1245 }
1246
1247
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22774 if (h->sei.frame_packing.present &&
1248 h->sei.frame_packing.arrangement_type <= 6 &&
1249 h->sei.frame_packing.content_interpretation_type > 0 &&
1250 h->sei.frame_packing.content_interpretation_type < 3) {
1251 H264SEIFramePacking *fp = &h->sei.frame_packing;
1252 AVStereo3D *stereo = av_stereo3d_create_side_data(out);
1253 if (stereo) {
1254 switch (fp->arrangement_type) {
1255 case H264_SEI_FPA_TYPE_CHECKERBOARD:
1256 stereo->type = AV_STEREO3D_CHECKERBOARD;
1257 break;
1258 case H264_SEI_FPA_TYPE_INTERLEAVE_COLUMN:
1259 stereo->type = AV_STEREO3D_COLUMNS;
1260 break;
1261 case H264_SEI_FPA_TYPE_INTERLEAVE_ROW:
1262 stereo->type = AV_STEREO3D_LINES;
1263 break;
1264 case H264_SEI_FPA_TYPE_SIDE_BY_SIDE:
1265 if (fp->quincunx_sampling_flag)
1266 stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX;
1267 else
1268 stereo->type = AV_STEREO3D_SIDEBYSIDE;
1269 break;
1270 case H264_SEI_FPA_TYPE_TOP_BOTTOM:
1271 stereo->type = AV_STEREO3D_TOPBOTTOM;
1272 break;
1273 case H264_SEI_FPA_TYPE_INTERLEAVE_TEMPORAL:
1274 stereo->type = AV_STEREO3D_FRAMESEQUENCE;
1275 break;
1276 case H264_SEI_FPA_TYPE_2D:
1277 stereo->type = AV_STEREO3D_2D;
1278 break;
1279 }
1280
1281 if (fp->content_interpretation_type == 2)
1282 stereo->flags = AV_STEREO3D_FLAG_INVERT;
1283
1284 if (fp->arrangement_type == H264_SEI_FPA_TYPE_INTERLEAVE_TEMPORAL) {
1285 if (fp->current_frame_is_frame0_flag)
1286 stereo->view = AV_STEREO3D_VIEW_LEFT;
1287 else
1288 stereo->view = AV_STEREO3D_VIEW_RIGHT;
1289 }
1290 }
1291 }
1292
1293
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22774 if (h->sei.display_orientation.present &&
1294
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1 (h->sei.display_orientation.anticlockwise_rotation ||
1295
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1 h->sei.display_orientation.hflip ||
1296
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1 h->sei.display_orientation.vflip)) {
1297 H264SEIDisplayOrientation *o = &h->sei.display_orientation;
1298 double angle = o->anticlockwise_rotation * 360 / (double) (1 << 16);
1299 AVFrameSideData *rotation = av_frame_new_side_data(out,
1300 AV_FRAME_DATA_DISPLAYMATRIX,
1301 sizeof(int32_t) * 9);
1302 if (rotation) {
1303 av_display_rotation_set((int32_t *)rotation->data, angle);
1304 av_display_matrix_flip((int32_t *)rotation->data,
1305 o->hflip, o->vflip);
1306 }
1307 }
1308
1309
2/2
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22774 if (h->sei.afd.present) {
1310 239 AVFrameSideData *sd = av_frame_new_side_data(out, AV_FRAME_DATA_AFD,
1311 sizeof(uint8_t));
1312
1313
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239 if (sd) {
1314 239 *sd->data = h->sei.afd.active_format_description;
1315 239 h->sei.afd.present = 0;
1316 }
1317 }
1318
1319
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22774 if (h->sei.a53_caption.buf_ref) {
1320 1 H264SEIA53Caption *a53 = &h->sei.a53_caption;
1321
1322 1 AVFrameSideData *sd = av_frame_new_side_data_from_buf(out, AV_FRAME_DATA_A53_CC, a53->buf_ref);
1323
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1 if (!sd)
1324 av_buffer_unref(&a53->buf_ref);
1325 1 a53->buf_ref = NULL;
1326
1327 1 h->avctx->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS;
1328 }
1329
1330
2/2
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22948 for (int i = 0; i < h->sei.unregistered.nb_buf_ref; i++) {
1331 174 H264SEIUnregistered *unreg = &h->sei.unregistered;
1332
1333
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✗ Branch 1 not taken.
174 if (unreg->buf_ref[i]) {
1334 174 AVFrameSideData *sd = av_frame_new_side_data_from_buf(out,
1335 AV_FRAME_DATA_SEI_UNREGISTERED,
1336 174 unreg->buf_ref[i]);
1337
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174 if (!sd)
1338 av_buffer_unref(&unreg->buf_ref[i]);
1339 174 unreg->buf_ref[i] = NULL;
1340 }
1341 }
1342 22774 h->sei.unregistered.nb_buf_ref = 0;
1343
1344
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22774 if (h->sei.film_grain_characteristics.present) {
1345 H264SEIFilmGrainCharacteristics *fgc = &h->sei.film_grain_characteristics;
1346 AVFilmGrainParams *fgp = av_film_grain_params_create_side_data(out);
1347 if (!fgp)
1348 return AVERROR(ENOMEM);
1349
1350 fgp->type = AV_FILM_GRAIN_PARAMS_H274;
1351 fgp->seed = cur->poc + (h->poc_offset << 5);
1352
1353 fgp->codec.h274.model_id = fgc->model_id;
1354 if (fgc->separate_colour_description_present_flag) {
1355 fgp->codec.h274.bit_depth_luma = fgc->bit_depth_luma;
1356 fgp->codec.h274.bit_depth_chroma = fgc->bit_depth_chroma;
1357 fgp->codec.h274.color_range = fgc->full_range + 1;
1358 fgp->codec.h274.color_primaries = fgc->color_primaries;
1359 fgp->codec.h274.color_trc = fgc->transfer_characteristics;
1360 fgp->codec.h274.color_space = fgc->matrix_coeffs;
1361 } else {
1362 fgp->codec.h274.bit_depth_luma = sps->bit_depth_luma;
1363 fgp->codec.h274.bit_depth_chroma = sps->bit_depth_chroma;
1364 if (sps->video_signal_type_present_flag)
1365 fgp->codec.h274.color_range = sps->full_range + 1;
1366 else
1367 fgp->codec.h274.color_range = AVCOL_RANGE_UNSPECIFIED;
1368 if (sps->colour_description_present_flag) {
1369 fgp->codec.h274.color_primaries = sps->color_primaries;
1370 fgp->codec.h274.color_trc = sps->color_trc;
1371 fgp->codec.h274.color_space = sps->colorspace;
1372 } else {
1373 fgp->codec.h274.color_primaries = AVCOL_PRI_UNSPECIFIED;
1374 fgp->codec.h274.color_trc = AVCOL_TRC_UNSPECIFIED;
1375 fgp->codec.h274.color_space = AVCOL_SPC_UNSPECIFIED;
1376 }
1377 }
1378 fgp->codec.h274.blending_mode_id = fgc->blending_mode_id;
1379 fgp->codec.h274.log2_scale_factor = fgc->log2_scale_factor;
1380
1381 memcpy(&fgp->codec.h274.component_model_present, &fgc->comp_model_present_flag,
1382 sizeof(fgp->codec.h274.component_model_present));
1383 memcpy(&fgp->codec.h274.num_intensity_intervals, &fgc->num_intensity_intervals,
1384 sizeof(fgp->codec.h274.num_intensity_intervals));
1385 memcpy(&fgp->codec.h274.num_model_values, &fgc->num_model_values,
1386 sizeof(fgp->codec.h274.num_model_values));
1387 memcpy(&fgp->codec.h274.intensity_interval_lower_bound, &fgc->intensity_interval_lower_bound,
1388 sizeof(fgp->codec.h274.intensity_interval_lower_bound));
1389 memcpy(&fgp->codec.h274.intensity_interval_upper_bound, &fgc->intensity_interval_upper_bound,
1390 sizeof(fgp->codec.h274.intensity_interval_upper_bound));
1391 memcpy(&fgp->codec.h274.comp_model_value, &fgc->comp_model_value,
1392 sizeof(fgp->codec.h274.comp_model_value));
1393
1394 fgc->present = !!fgc->repetition_period;
1395
1396 h->avctx->properties |= FF_CODEC_PROPERTY_FILM_GRAIN;
1397 }
1398
1399
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22774 if (h->sei.picture_timing.timecode_cnt > 0) {
1400 uint32_t *tc_sd;
1401 char tcbuf[AV_TIMECODE_STR_SIZE];
1402
1403 651 AVFrameSideData *tcside = av_frame_new_side_data(out,
1404 AV_FRAME_DATA_S12M_TIMECODE,
1405 sizeof(uint32_t)*4);
1406
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651 if (!tcside)
1407 return AVERROR(ENOMEM);
1408
1409 651 tc_sd = (uint32_t*)tcside->data;
1410 651 tc_sd[0] = h->sei.picture_timing.timecode_cnt;
1411
1412
2/2
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1603 for (int i = 0; i < tc_sd[0]; i++) {
1413 952 int drop = h->sei.picture_timing.timecode[i].dropframe;
1414 952 int hh = h->sei.picture_timing.timecode[i].hours;
1415 952 int mm = h->sei.picture_timing.timecode[i].minutes;
1416 952 int ss = h->sei.picture_timing.timecode[i].seconds;
1417 952 int ff = h->sei.picture_timing.timecode[i].frame;
1418
1419 952 tc_sd[i + 1] = av_timecode_get_smpte(h->avctx->framerate, drop, hh, mm, ss, ff);
1420 952 av_timecode_make_smpte_tc_string2(tcbuf, h->avctx->framerate, tc_sd[i + 1], 0, 0);
1421 952 av_dict_set(&out->metadata, "timecode", tcbuf, 0);
1422 }
1423 651 h->sei.picture_timing.timecode_cnt = 0;
1424 }
1425
1426 22774 return 0;
1427 }
1428
1429 22774 static int h264_select_output_frame(H264Context *h)
1430 {
1431 22774 const SPS *sps = h->ps.sps;
1432 22774 H264Picture *out = h->cur_pic_ptr;
1433 22774 H264Picture *cur = h->cur_pic_ptr;
1434 int i, pics, out_of_order, out_idx;
1435
1436 22774 cur->mmco_reset = h->mmco_reset;
1437 22774 h->mmco_reset = 0;
1438
1439
2/2
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✓ Branch 1 taken 3315 times.
22774 if (sps->bitstream_restriction_flag ||
1440
1/2
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19459 h->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT) {
1441 3315 h->avctx->has_b_frames = FFMAX(h->avctx->has_b_frames, sps->num_reorder_frames);
1442 }
1443
1444 372772 for (i = 0; 1; i++) {
1445
4/4
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372772 if(i == MAX_DELAYED_PIC_COUNT || cur->poc < h->last_pocs[i]){
1446
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✗ Branch 1 not taken.
22774 if(i)
1447 22774 h->last_pocs[i-1] = cur->poc;
1448 22774 break;
1449
2/2
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✓ Branch 1 taken 22774 times.
349998 } else if(i) {
1450 327224 h->last_pocs[i-1]= h->last_pocs[i];
1451 }
1452 }
1453 22774 out_of_order = MAX_DELAYED_PIC_COUNT - i;
1454
2/2
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22774 if( cur->f->pict_type == AV_PICTURE_TYPE_B
1455
4/4
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✓ Branch 3 taken 9601 times.
15257 || (h->last_pocs[MAX_DELAYED_PIC_COUNT-2] > INT_MIN && h->last_pocs[MAX_DELAYED_PIC_COUNT-1] - (int64_t)h->last_pocs[MAX_DELAYED_PIC_COUNT-2] > 2))
1456 12110 out_of_order = FFMAX(out_of_order, 1);
1457
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22774 if (out_of_order == MAX_DELAYED_PIC_COUNT) {
1458 av_log(h->avctx, AV_LOG_VERBOSE, "Invalid POC %d<%d\n", cur->poc, h->last_pocs[0]);
1459 for (i = 1; i < MAX_DELAYED_PIC_COUNT; i++)
1460 h->last_pocs[i] = INT_MIN;
1461 h->last_pocs[0] = cur->poc;
1462 cur->mmco_reset = 1;
1463
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22774 } else if(h->avctx->has_b_frames < out_of_order && !sps->bitstream_restriction_flag){
1464
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136 int loglevel = h->avctx->frame_number > 1 ? AV_LOG_WARNING : AV_LOG_VERBOSE;
1465 136 av_log(h->avctx, loglevel, "Increasing reorder buffer to %d\n", out_of_order);
1466 136 h->avctx->has_b_frames = out_of_order;
1467 }
1468
1469 22774 pics = 0;
1470
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51757 while (h->delayed_pic[pics])
1471 28983 pics++;
1472
1473
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22774 av_assert0(pics <= MAX_DELAYED_PIC_COUNT);
1474
1475 22774 h->delayed_pic[pics++] = cur;
1476
2/2
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✓ Branch 1 taken 1460 times.
22774 if (cur->reference == 0)
1477 21314 cur->reference = DELAYED_PIC_REF;
1478
1479 22774 out = h->delayed_pic[0];
1480 22774 out_idx = 0;
1481 22774 for (i = 1; h->delayed_pic[i] &&
1482
4/4
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48862 !h->delayed_pic[i]->f->key_frame &&
1483
2/2
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✓ Branch 1 taken 87 times.
26175 !h->delayed_pic[i]->mmco_reset;
1484 26088 i++)
1485
2/2
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✓ Branch 1 taken 16391 times.
26088 if (h->delayed_pic[i]->poc < out->poc) {
1486 9697 out = h->delayed_pic[i];
1487 9697 out_idx = i;
1488 }
1489
2/2
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✓ Branch 1 taken 13139 times.
22774 if (h->avctx->has_b_frames == 0 &&
1490
4/4
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✓ Branch 3 taken 8852 times.
9635 (h->delayed_pic[0]->f->key_frame || h->delayed_pic[0]->mmco_reset))
1491 783 h->next_outputed_poc = INT_MIN;
1492 22774 out_of_order = out->poc < h->next_outputed_poc;
1493
1494
4/4
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22774 if (out_of_order || pics > h->avctx->has_b_frames) {
1495 22289 out->reference &= ~DELAYED_PIC_REF;
1496
2/2
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✓ Branch 1 taken 22289 times.
58780 for (i = out_idx; h->delayed_pic[i]; i++)
1497 36491 h->delayed_pic[i] = h->delayed_pic[i + 1];
1498 }
1499
4/4
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22774 if (!out_of_order && pics > h->avctx->has_b_frames) {
1500 22175 h->next_output_pic = out;
1501
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✓ Branch 5 taken 65 times.
✓ Branch 6 taken 21 times.
✓ Branch 7 taken 4268 times.
22175 if (out_idx == 0 && h->delayed_pic[0] && (h->delayed_pic[0]->f->key_frame || h->delayed_pic[0]->mmco_reset)) {
1502 86 h->next_outputed_poc = INT_MIN;
1503 } else
1504 22089 h->next_outputed_poc = out->poc;
1505
1506
2/2
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✓ Branch 1 taken 89 times.
22175 if (out->recovered) {
1507 // We have reached an recovery point and all frames after it in
1508 // display order are "recovered".
1509 22086 h->frame_recovered |= FRAME_RECOVERED_SEI;
1510 }
1511 22175 out->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_SEI);
1512
1513
2/2
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✓ Branch 1 taken 22097 times.
22175 if (!out->recovered) {
1514
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✗ Branch 1 not taken.
78 if (!(h->avctx->flags & AV_CODEC_FLAG_OUTPUT_CORRUPT) &&
1515
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✗ Branch 1 not taken.
78 !(h->avctx->flags2 & AV_CODEC_FLAG2_SHOW_ALL)) {
1516 78 h->next_output_pic = NULL;
1517 } else {
1518 out->f->flags |= AV_FRAME_FLAG_CORRUPT;
1519 }
1520 }
1521 } else {
1522
2/2
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✓ Branch 1 taken 485 times.
599 av_log(h->avctx, AV_LOG_DEBUG, "no picture %s\n", out_of_order ? "ooo" : "");
1523 }
1524
1525 22774 return 0;
1526 }
1527
1528 /* This function is called right after decoding the slice header for a first
1529 * slice in a field (or a frame). It decides whether we are decoding a new frame
1530 * or a second field in a pair and does the necessary setup.
1531 */
1532 26111 static int h264_field_start(H264Context *h, const H264SliceContext *sl,
1533 const H2645NAL *nal, int first_slice)
1534 {
1535 int i;
1536 const SPS *sps;
1537
1538 int last_pic_structure, last_pic_droppable, ret;
1539
1540 26111 ret = h264_init_ps(h, sl, first_slice);
1541
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26111 if (ret < 0)
1542 return ret;
1543
1544 26111 sps = h->ps.sps;
1545
1546
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26111 if (sps && sps->bitstream_restriction_flag &&
1547
2/2
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3647 h->avctx->has_b_frames < sps->num_reorder_frames) {
1548 25 h->avctx->has_b_frames = sps->num_reorder_frames;
1549 }
1550
1551 26111 last_pic_droppable = h->droppable;
1552 26111 last_pic_structure = h->picture_structure;
1553 26111 h->droppable = (nal->ref_idc == 0);
1554 26111 h->picture_structure = sl->picture_structure;
1555
1556 26111 h->poc.frame_num = sl->frame_num;
1557 26111 h->poc.poc_lsb = sl->poc_lsb;
1558 26111 h->poc.delta_poc_bottom = sl->delta_poc_bottom;
1559 26111 h->poc.delta_poc[0] = sl->delta_poc[0];
1560 26111 h->poc.delta_poc[1] = sl->delta_poc[1];
1561
1562
2/2
✓ Branch 0 taken 1014 times.
✓ Branch 1 taken 25097 times.
26111 if (nal->type == H264_NAL_IDR_SLICE)
1563 1014 h->poc_offset = sl->idr_pic_id;
1564
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 25097 times.
25097 else if (h->picture_intra_only)
1565 h->poc_offset = 0;
1566
1567 /* Shorten frame num gaps so we don't have to allocate reference
1568 * frames just to throw them away */
1569
2/2
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✓ Branch 1 taken 11466 times.
26111 if (h->poc.frame_num != h->poc.prev_frame_num) {
1570 14645 int unwrap_prev_frame_num = h->poc.prev_frame_num;
1571 14645 int max_frame_num = 1 << sps->log2_max_frame_num;
1572
1573
2/2
✓ Branch 0 taken 145 times.
✓ Branch 1 taken 14500 times.
14645 if (unwrap_prev_frame_num > h->poc.frame_num)
1574 145 unwrap_prev_frame_num -= max_frame_num;
1575
1576
2/2
✓ Branch 0 taken 73 times.
✓ Branch 1 taken 14572 times.
14645 if ((h->poc.frame_num - unwrap_prev_frame_num) > sps->ref_frame_count) {
1577 73 unwrap_prev_frame_num = (h->poc.frame_num - sps->ref_frame_count) - 1;
1578
2/2
✓ Branch 0 taken 2 times.
✓ Branch 1 taken 71 times.
73 if (unwrap_prev_frame_num < 0)
1579 2 unwrap_prev_frame_num += max_frame_num;
1580
1581 73 h->poc.prev_frame_num = unwrap_prev_frame_num;
1582 }
1583 }
1584
1585 /* See if we have a decoded first field looking for a pair...
1586 * Here, we're using that to see if we should mark previously
1587 * decode frames as "finished".
1588 * We have to do that before the "dummy" in-between frame allocation,
1589 * since that can modify h->cur_pic_ptr. */
1590
2/2
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✓ Branch 1 taken 22779 times.
26111 if (h->first_field) {
1591 3332 int last_field = last_pic_structure == PICT_BOTTOM_FIELD;
1592
1/2
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✓ Branch 1 taken 3332 times.
3332 av_assert0(h->cur_pic_ptr);
1593
1/2
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✓ Branch 1 taken 3332 times.
3332 av_assert0(h->cur_pic_ptr->f->buf[0]);
1594 assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
1595
1596 /* Mark old field/frame as completed */
1597
1/2
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✗ Branch 1 not taken.
3332 if (h->cur_pic_ptr->tf.owner[last_field] == h->avctx) {
1598 3332 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, last_field);
1599 }
1600
1601 /* figure out if we have a complementary field pair */
1602
2/4
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✗ Branch 1 not taken.
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✓ Branch 3 taken 3332 times.
3332 if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
1603 /* Previous field is unmatched. Don't display it, but let it
1604 * remain for reference if marked as such. */
1605 if (last_pic_structure != PICT_FRAME) {
1606 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
1607 last_pic_structure == PICT_TOP_FIELD);
1608 }
1609 } else {
1610
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3332 times.
3332 if (h->cur_pic_ptr->frame_num != h->poc.frame_num) {
1611 /* This and previous field were reference, but had
1612 * different frame_nums. Consider this field first in
1613 * pair. Throw away previous field except for reference
1614 * purposes. */
1615 if (last_pic_structure != PICT_FRAME) {
1616 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
1617 last_pic_structure == PICT_TOP_FIELD);
1618 }
1619 } else {
1620 /* Second field in complementary pair */
1621
3/4
✓ Branch 0 taken 3324 times.
✓ Branch 1 taken 8 times.
✓ Branch 2 taken 8 times.
✗ Branch 3 not taken.
3332 if (!((last_pic_structure == PICT_TOP_FIELD &&
1622
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3324 times.
3324 h->picture_structure == PICT_BOTTOM_FIELD) ||
1623 8 (last_pic_structure == PICT_BOTTOM_FIELD &&
1624
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8 times.
8 h->picture_structure == PICT_TOP_FIELD))) {
1625 av_log(h->avctx, AV_LOG_ERROR,
1626 "Invalid field mode combination %d/%d\n",
1627 last_pic_structure, h->picture_structure);
1628 h->picture_structure = last_pic_structure;
1629 h->droppable = last_pic_droppable;
1630 return AVERROR_INVALIDDATA;
1631
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3332 times.
3332 } else if (last_pic_droppable != h->droppable) {
1632 avpriv_request_sample(h->avctx,
1633 "Found reference and non-reference fields in the same frame, which");
1634 h->picture_structure = last_pic_structure;
1635 h->droppable = last_pic_droppable;
1636 return AVERROR_PATCHWELCOME;
1637 }
1638 }
1639 }
1640 }
1641
1642
3/4
✓ Branch 0 taken 15338 times.
✓ Branch 1 taken 11466 times.
✓ Branch 2 taken 15338 times.
✗ Branch 3 not taken.
26804 while (h->poc.frame_num != h->poc.prev_frame_num && !h->first_field &&
1643
2/2
✓ Branch 0 taken 693 times.
✓ Branch 1 taken 14645 times.
15338 h->poc.frame_num != (h->poc.prev_frame_num + 1) % (1 << sps->log2_max_frame_num)) {
1644
2/2
✓ Branch 0 taken 669 times.
✓ Branch 1 taken 24 times.
693 H264Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
1645 693 av_log(h->avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n",
1646 h->poc.frame_num, h->poc.prev_frame_num);
1647
2/2
✓ Branch 0 taken 116 times.
✓ Branch 1 taken 577 times.
693 if (!sps->gaps_in_frame_num_allowed_flag)
1648
2/2
✓ Branch 0 taken 1856 times.
✓ Branch 1 taken 116 times.
1972 for(i=0; i<FF_ARRAY_ELEMS(h->last_pocs); i++)
1649 1856 h->last_pocs[i] = INT_MIN;
1650 693 ret = h264_frame_start(h);
1651
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 693 times.
693 if (ret < 0) {
1652 h->first_field = 0;
1653 return ret;
1654 }
1655
1656 693 h->poc.prev_frame_num++;
1657 693 h->poc.prev_frame_num %= 1 << sps->log2_max_frame_num;
1658 693 h->cur_pic_ptr->frame_num = h->poc.prev_frame_num;
1659 693 h->cur_pic_ptr->invalid_gap = !sps->gaps_in_frame_num_allowed_flag;
1660 693 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
1661 693 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
1662
1663 693 h->explicit_ref_marking = 0;
1664 693 ret = ff_h264_execute_ref_pic_marking(h);
1665
1/4
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✗ Branch 2 not taken.
✗ Branch 3 not taken.
693 if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
1666 return ret;
1667 /* Error concealment: If a ref is missing, copy the previous ref
1668 * in its place.
1669 * FIXME: Avoiding a memcpy would be nice, but ref handling makes
1670 * many assumptions about there being no actual duplicates.
1671 * FIXME: This does not copy padding for out-of-frame motion
1672 * vectors. Given we are concealing a lost frame, this probably
1673 * is not noticeable by comparison, but it should be fixed. */
1674
1/2
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✗ Branch 1 not taken.
693 if (h->short_ref_count) {
1675 693 int c[4] = {
1676 693 1<<(h->ps.sps->bit_depth_luma-1),
1677 693 1<<(h->ps.sps->bit_depth_chroma-1),
1678 693 1<<(h->ps.sps->bit_depth_chroma-1),
1679 -1
1680 };
1681
1682
2/2
✓ Branch 0 taken 669 times.
✓ Branch 1 taken 24 times.
693 if (prev &&
1683
1/2
✓ Branch 0 taken 669 times.
✗ Branch 1 not taken.
669 h->short_ref[0]->f->width == prev->f->width &&
1684
1/2
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✗ Branch 1 not taken.
669 h->short_ref[0]->f->height == prev->f->height &&
1685
1/2
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✗ Branch 1 not taken.
669 h->short_ref[0]->f->format == prev->f->format) {
1686 669 ff_thread_await_progress(&prev->tf, INT_MAX, 0);
1687
2/2
✓ Branch 0 taken 28 times.
✓ Branch 1 taken 641 times.
669 if (prev->field_picture)
1688 28 ff_thread_await_progress(&prev->tf, INT_MAX, 1);
1689 669 ff_thread_release_buffer(h->avctx, &h->short_ref[0]->tf);
1690 669 h->short_ref[0]->tf.f = h->short_ref[0]->f;
1691 669 ret = ff_thread_ref_frame(&h->short_ref[0]->tf, &prev->tf);
1692
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 669 times.
669 if (ret < 0)
1693 return ret;
1694 669 h->short_ref[0]->poc = prev->poc + 2U;
1695 669 ff_thread_report_progress(&h->short_ref[0]->tf, INT_MAX, 0);
1696
2/2
✓ Branch 0 taken 28 times.
✓ Branch 1 taken 641 times.
669 if (h->short_ref[0]->field_picture)
1697 28 ff_thread_report_progress(&h->short_ref[0]->tf, INT_MAX, 1);
1698
3/4
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✓ Branch 1 taken 7 times.
✓ Branch 2 taken 17 times.
✗ Branch 3 not taken.
24 } else if (!h->frame_recovered && !h->avctx->hwaccel)
1699 17 ff_color_frame(h->short_ref[0]->f, c);
1700 693 h->short_ref[0]->frame_num = h->poc.prev_frame_num;
1701 }
1702 }
1703
1704 /* See if we have a decoded first field looking for a pair...
1705 * We're using that to see whether to continue decoding in that
1706 * frame, or to allocate a new one. */
1707
2/2
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26111 if (h->first_field) {
1708
1/2
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✓ Branch 1 taken 3332 times.
3332 av_assert0(h->cur_pic_ptr);
1709
1/2
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✓ Branch 1 taken 3332 times.
3332 av_assert0(h->cur_pic_ptr->f->buf[0]);
1710 assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
1711
1712 /* figure out if we have a complementary field pair */
1713
2/4
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✗ Branch 1 not taken.
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✓ Branch 3 taken 3332 times.
3332 if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
1714 /* Previous field is unmatched. Don't display it, but let it
1715 * remain for reference if marked as such. */
1716 h->missing_fields ++;
1717 h->cur_pic_ptr = NULL;
1718 h->first_field = FIELD_PICTURE(h);
1719 } else {
1720 3332 h->missing_fields = 0;
1721
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3332 times.
3332 if (h->cur_pic_ptr->frame_num != h->poc.frame_num) {
1722 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
1723 h->picture_structure==PICT_BOTTOM_FIELD);
1724 /* This and the previous field had different frame_nums.
1725 * Consider this field first in pair. Throw away previous
1726 * one except for reference purposes. */
1727 h->first_field = 1;
1728 h->cur_pic_ptr = NULL;
1729
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3332 times.
3332 } else if (h->cur_pic_ptr->reference & DELAYED_PIC_REF) {
1730 /* This frame was already output, we cannot draw into it
1731 * anymore.
1732 */
1733 h->first_field = 1;
1734 h->cur_pic_ptr = NULL;
1735 } else {
1736 /* Second field in complementary pair */
1737 3332 h->first_field = 0;
1738 }
1739 }
1740 } else {
1741 /* Frame or first field in a potentially complementary pair */
1742 22779 h->first_field = FIELD_PICTURE(h);
1743 }
1744
1745
4/4
✓ Branch 0 taken 6669 times.
✓ Branch 1 taken 19442 times.
✓ Branch 2 taken 3337 times.
✓ Branch 3 taken 3332 times.
26111 if (!FIELD_PICTURE(h) || h->first_field) {
1746
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 22779 times.
22779 if (h264_frame_start(h) < 0) {
1747 h->first_field = 0;
1748 return AVERROR_INVALIDDATA;
1749 }
1750 } else {
1751 3332 int field = h->picture_structure == PICT_BOTTOM_FIELD;
1752 3332 release_unused_pictures(h, 0);
1753 3332 h->cur_pic_ptr->tf.owner[field] = h->avctx;
1754 }
1755 /* Some macroblocks can be accessed before they're available in case
1756 * of lost slices, MBAFF or threading. */
1757
2/2
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✓ Branch 1 taken 19442 times.
26111 if (FIELD_PICTURE(h)) {
1758
2/2
✓ Branch 0 taken 164292 times.
✓ Branch 1 taken 6669 times.
170961 for(i = (h->picture_structure == PICT_BOTTOM_FIELD); i<h->mb_height; i++)
1759 164292 memset(h->slice_table + i*h->mb_stride, -1, (h->mb_stride - (i+1==h->mb_height)) * sizeof(*h->slice_table));
1760 } else {
1761 19442 memset(h->slice_table, -1,
1762 19442 (h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table));
1763 }
1764
1765 26111 ret = ff_h264_init_poc(h->cur_pic_ptr->field_poc, &h->cur_pic_ptr->poc,
1766 26111 h->ps.sps, &h->poc, h->picture_structure, nal->ref_idc);
1767
1/2
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✓ Branch 1 taken 26111 times.
26111 if (ret < 0)
1768 return ret;
1769
1770 26111 memcpy(h->mmco, sl->mmco, sl->nb_mmco * sizeof(*h->mmco));
1771 26111 h->nb_mmco = sl->nb_mmco;
1772 26111 h->explicit_ref_marking = sl->explicit_ref_marking;
1773
1774 26111 h->picture_idr = nal->type == H264_NAL_IDR_SLICE;
1775
1776
2/2
✓ Branch 0 taken 60 times.
✓ Branch 1 taken 26051 times.
26111 if (h->sei.recovery_point.recovery_frame_cnt >= 0) {
1777 60 const int sei_recovery_frame_cnt = h->sei.recovery_point.recovery_frame_cnt;
1778
1779
4/4
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✓ Branch 1 taken 36 times.
✓ Branch 2 taken 11 times.
✓ Branch 3 taken 13 times.
60 if (h->poc.frame_num != sei_recovery_frame_cnt || sl->slice_type_nos != AV_PICTURE_TYPE_I)
1780 47 h->valid_recovery_point = 1;
1781
1782
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 59 times.
60 if ( h->recovery_frame < 0
1783
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
1 || av_mod_uintp2(h->recovery_frame - h->poc.frame_num, h->ps.sps->log2_max_frame_num) > sei_recovery_frame_cnt) {
1784 59 h->recovery_frame = av_mod_uintp2(h->poc.frame_num + sei_recovery_frame_cnt, h->ps.sps->log2_max_frame_num);
1785
1786
2/2
✓ Branch 0 taken 6 times.
✓ Branch 1 taken 53 times.
59 if (!h->valid_recovery_point)
1787 6 h->recovery_frame = h->poc.frame_num;
1788 }
1789 }
1790
1791 26111 h->cur_pic_ptr->f->key_frame |= (nal->type == H264_NAL_IDR_SLICE);
1792
1793
2/2
✓ Branch 0 taken 25097 times.
✓ Branch 1 taken 1014 times.
26111 if (nal->type == H264_NAL_IDR_SLICE ||
1794
4/4
✓ Branch 0 taken 49 times.
✓ Branch 1 taken 25048 times.
✓ Branch 2 taken 47 times.
✓ Branch 3 taken 2 times.
25097 (h->recovery_frame == h->poc.frame_num && nal->ref_idc)) {
1795 1061 h->recovery_frame = -1;
1796 1061 h->cur_pic_ptr->recovered = 1;
1797 }
1798 // If we have an IDR, all frames after it in decoded order are
1799 // "recovered".
1800
2/2
✓ Branch 0 taken 1014 times.
✓ Branch 1 taken 25097 times.
26111 if (nal->type == H264_NAL_IDR_SLICE)
1801 1014 h->frame_recovered |= FRAME_RECOVERED_IDR;
1802 #if 1
1803 26111 h->cur_pic_ptr->recovered |= h->frame_recovered;
1804 #else
1805 h->cur_pic_ptr->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_IDR);
1806 #endif
1807
1808 /* Set the frame properties/side data. Only done for the second field in
1809 * field coded frames, since some SEI information is present for each field
1810 * and is merged by the SEI parsing code. */
1811
5/6
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✓ Branch 2 taken 3337 times.
✓ Branch 3 taken 3332 times.
✗ Branch 4 not taken.
✓ Branch 5 taken 3337 times.
26111 if (!FIELD_PICTURE(h) || !h->first_field || h->missing_fields > 1) {
1812 22774 ret = h264_export_frame_props(h);
1813
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 22774 times.
22774 if (ret < 0)
1814 return ret;
1815
1816 22774 ret = h264_select_output_frame(h);
1817
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 22774 times.
22774 if (ret < 0)
1818 return ret;
1819 }
1820
1821 26111 return 0;
1822 }
1823
1824 34685 static int h264_slice_header_parse(const H264Context *h, H264SliceContext *sl,
1825 const H2645NAL *nal)
1826 {
1827 const SPS *sps;
1828 const PPS *pps;
1829 int ret;
1830 unsigned int slice_type, tmp, i;
1831 int field_pic_flag, bottom_field_flag;
1832
4/4
✓ Branch 0 taken 34235 times.
✓ Branch 1 taken 450 times.
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✓ Branch 3 taken 7857 times.
34685 int first_slice = sl == h->slice_ctx && !h->current_slice;
1833 int picture_structure;
1834
1835
2/2
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✓ Branch 1 taken 8307 times.
34685 if (first_slice)
1836
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 26378 times.
26378 av_assert0(!h->setup_finished);
1837
1838 34685 sl->first_mb_addr = get_ue_golomb_long(&sl->gb);
1839
1840 34685 slice_type = get_ue_golomb_31(&sl->gb);
1841
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34685 times.
34685 if (slice_type > 9) {
1842 av_log(h->avctx, AV_LOG_ERROR,
1843 "slice type %d too large at %d\n",
1844 slice_type, sl->first_mb_addr);
1845 return AVERROR_INVALIDDATA;
1846 }
1847
2/2
✓ Branch 0 taken 21749 times.
✓ Branch 1 taken 12936 times.
34685 if (slice_type > 4) {
1848 21749 slice_type -= 5;
1849 21749 sl->slice_type_fixed = 1;
1850 } else
1851 12936 sl->slice_type_fixed = 0;
1852
1853 34685 slice_type = ff_h264_golomb_to_pict_type[slice_type];
1854 34685 sl->slice_type = slice_type;
1855 34685 sl->slice_type_nos = slice_type & 3;
1856
1857
2/2
✓ Branch 0 taken 2078 times.
✓ Branch 1 taken 32607 times.
34685 if (nal->type == H264_NAL_IDR_SLICE &&
1858
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2078 times.
2078 sl->slice_type_nos != AV_PICTURE_TYPE_I) {
1859 av_log(h->avctx, AV_LOG_ERROR, "A non-intra slice in an IDR NAL unit.\n");
1860 return AVERROR_INVALIDDATA;
1861 }
1862
1863 34685 sl->pps_id = get_ue_golomb(&sl->gb);
1864
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34685 times.
34685 if (sl->pps_id >= MAX_PPS_COUNT) {
1865 av_log(h->avctx, AV_LOG_ERROR, "pps_id %u out of range\n", sl->pps_id);
1866 return AVERROR_INVALIDDATA;
1867 }
1868
2/2
✓ Branch 0 taken 389 times.
✓ Branch 1 taken 34296 times.
34685 if (!h->ps.pps_list[sl->pps_id]) {
1869 389 av_log(h->avctx, AV_LOG_ERROR,
1870 "non-existing PPS %u referenced\n",
1871 sl->pps_id);
1872 389 return AVERROR_INVALIDDATA;
1873 }
1874 34296 pps = (const PPS*)h->ps.pps_list[sl->pps_id]->data;
1875 34296 sps = pps->sps;
1876
1877 34296 sl->frame_num = get_bits(&sl->gb, sps->log2_max_frame_num);
1878
2/2
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✓ Branch 1 taken 25998 times.
34296 if (!first_slice) {
1879
1/2
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✓ Branch 1 taken 8298 times.
8298 if (h->poc.frame_num != sl->frame_num) {
1880 av_log(h->avctx, AV_LOG_ERROR, "Frame num change from %d to %d\n",
1881 h->poc.frame_num, sl->frame_num);
1882 return AVERROR_INVALIDDATA;
1883 }
1884 }
1885
1886 34296 sl->mb_mbaff = 0;
1887
1888
2/2
✓ Branch 0 taken 20355 times.
✓ Branch 1 taken 13941 times.
34296 if (sps->frame_mbs_only_flag) {
1889 20355 picture_structure = PICT_FRAME;
1890 } else {
1891
1/4
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✓ Branch 1 taken 13941 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
13941 if (!sps->direct_8x8_inference_flag && slice_type == AV_PICTURE_TYPE_B) {
1892 av_log(h->avctx, AV_LOG_ERROR, "This stream was generated by a broken encoder, invalid 8x8 inference\n");
1893 return -1;
1894 }
1895 13941 field_pic_flag = get_bits1(&sl->gb);
1896
2/2
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✓ Branch 1 taken 5265 times.
13941 if (field_pic_flag) {
1897 8676 bottom_field_flag = get_bits1(&sl->gb);
1898 8676 picture_structure = PICT_TOP_FIELD + bottom_field_flag;
1899 } else {
1900 5265 picture_structure = PICT_FRAME;
1901 }
1902 }
1903 34296 sl->picture_structure = picture_structure;
1904 34296 sl->mb_field_decoding_flag = picture_structure != PICT_FRAME;
1905
1906
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34296 if (picture_structure == PICT_FRAME) {
1907 25620 sl->curr_pic_num = sl->frame_num;
1908 25620 sl->max_pic_num = 1 << sps->log2_max_frame_num;
1909 } else {
1910 8676 sl->curr_pic_num = 2 * sl->frame_num + 1;
1911 8676 sl->max_pic_num = 1 << (sps->log2_max_frame_num + 1);
1912 }
1913
1914
2/2
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✓ Branch 1 taken 32223 times.
34296 if (nal->type == H264_NAL_IDR_SLICE)
1915 2073 sl->idr_pic_id = get_ue_golomb_long(&sl->gb);
1916
1917 34296 sl->poc_lsb = 0;
1918 34296 sl->delta_poc_bottom = 0;
1919
2/2
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✓ Branch 1 taken 7168 times.
34296 if (sps->poc_type == 0) {
1920 27128 sl->poc_lsb = get_bits(&sl->gb, sps->log2_max_poc_lsb);
1921
1922
4/4
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✓ Branch 1 taken 19754 times.
✓ Branch 2 taken 5830 times.
✓ Branch 3 taken 1544 times.
27128 if (pps->pic_order_present == 1 && picture_structure == PICT_FRAME)
1923 5830 sl->delta_poc_bottom = get_se_golomb(&sl->gb);
1924 }
1925
1926 34296 sl->delta_poc[0] = sl->delta_poc[1] = 0;
1927
4/4
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✓ Branch 1 taken 31232 times.
✓ Branch 2 taken 2848 times.
✓ Branch 3 taken 216 times.
34296 if (sps->poc_type == 1 && !sps->delta_pic_order_always_zero_flag) {
1928 2848 sl->delta_poc[0] = get_se_golomb(&sl->gb);
1929
1930
4/4
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✓ Branch 1 taken 2078 times.
✓ Branch 2 taken 453 times.
✓ Branch 3 taken 317 times.
2848 if (pps->pic_order_present == 1 && picture_structure == PICT_FRAME)
1931 453 sl->delta_poc[1] = get_se_golomb(&sl->gb);
1932 }
1933
1934 34296 sl->redundant_pic_count = 0;
1935
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34296 if (pps->redundant_pic_cnt_present)
1936 sl->redundant_pic_count = get_ue_golomb(&sl->gb);
1937
1938
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✓ Branch 1 taken 22220 times.
34296 if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
1939 12076 sl->direct_spatial_mv_pred = get_bits1(&sl->gb);
1940
1941 34296 ret = ff_h264_parse_ref_count(&sl->list_count, sl->ref_count,
1942 &sl->gb, pps, sl->slice_type_nos,
1943 34296 picture_structure, h->avctx);
1944
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34296 if (ret < 0)
1945 return ret;
1946
1947
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✓ Branch 1 taken 4232 times.
34296 if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
1948 30064 ret = ff_h264_decode_ref_pic_list_reordering(sl, h->avctx);
1949
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30064 if (ret < 0) {
1950 sl->ref_count[1] = sl->ref_count[0] = 0;
1951 return ret;
1952 }
1953 }
1954
1955 34296 sl->pwt.use_weight = 0;
1956
2/2
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102888 for (i = 0; i < 2; i++) {
1957 68592 sl->pwt.luma_weight_flag[i] = 0;
1958 68592 sl->pwt.chroma_weight_flag[i] = 0;
1959 }
1960
4/4
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✓ Branch 1 taken 32075 times.
✓ Branch 2 taken 901 times.
✓ Branch 3 taken 1320 times.
34296 if ((pps->weighted_pred && sl->slice_type_nos == AV_PICTURE_TYPE_P) ||
1961
2/2
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✓ Branch 1 taken 32698 times.
32976 (pps->weighted_bipred_idc == 1 &&
1962
1/2
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✗ Branch 1 not taken.
278 sl->slice_type_nos == AV_PICTURE_TYPE_B)) {
1963 1598 ret = ff_h264_pred_weight_table(&sl->gb, sps, sl->ref_count,
1964 sl->slice_type_nos, &sl->pwt,
1965 1598 picture_structure, h->avctx);
1966
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1598 if (ret < 0)
1967 return ret;
1968 }
1969
1970 34296 sl->explicit_ref_marking = 0;
1971
2/2
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✓ Branch 1 taken 11444 times.
34296 if (nal->ref_idc) {
1972 22852 ret = ff_h264_decode_ref_pic_marking(sl, &sl->gb, nal, h->avctx);
1973
1/4
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22852 if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
1974 return AVERROR_INVALIDDATA;
1975 }
1976
1977
4/4
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✓ Branch 1 taken 4232 times.
✓ Branch 2 taken 15919 times.
✓ Branch 3 taken 14145 times.
34296 if (sl->slice_type_nos != AV_PICTURE_TYPE_I && pps->cabac) {
1978 15919 tmp = get_ue_golomb_31(&sl->gb);
1979
1/2
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✓ Branch 1 taken 15919 times.
15919 if (tmp > 2) {
1980 av_log(h->avctx, AV_LOG_ERROR, "cabac_init_idc %u overflow\n", tmp);
1981 return AVERROR_INVALIDDATA;
1982 }
1983 15919 sl->cabac_init_idc = tmp;
1984 }
1985
1986 34296 sl->last_qscale_diff = 0;
1987 34296 tmp = pps->init_qp + (unsigned)get_se_golomb(&sl->gb);
1988
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34296 if (tmp > 51 + 6 * (sps->bit_depth_luma - 8)) {
1989 av_log(h->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
1990 return AVERROR_INVALIDDATA;
1991 }
1992 34296 sl->qscale = tmp;
1993 34296 sl->chroma_qp[0] = get_chroma_qp(pps, 0, sl->qscale);
1994 34296 sl->chroma_qp[1] = get_chroma_qp(pps, 1, sl->qscale);
1995 // FIXME qscale / qp ... stuff
1996
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34296 if (sl->slice_type == AV_PICTURE_TYPE_SP)
1997 get_bits1(&sl->gb); /* sp_for_switch_flag */
1998
1/2
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✗ Branch 1 not taken.
34296 if (sl->slice_type == AV_PICTURE_TYPE_SP ||
1999
1/2
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✓ Branch 1 taken 34296 times.
34296 sl->slice_type == AV_PICTURE_TYPE_SI)
2000 get_se_golomb(&sl->gb); /* slice_qs_delta */
2001
2002 34296 sl->deblocking_filter = 1;
2003 34296 sl->slice_alpha_c0_offset = 0;
2004 34296 sl->slice_beta_offset = 0;
2005
2/2
✓ Branch 0 taken 19840 times.
✓ Branch 1 taken 14456 times.
34296 if (pps->deblocking_filter_parameters_present) {
2006 19840 tmp = get_ue_golomb_31(&sl->gb);
2007
1/2
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✓ Branch 1 taken 19840 times.
19840 if (tmp > 2) {
2008 av_log(h->avctx, AV_LOG_ERROR,
2009 "deblocking_filter_idc %u out of range\n", tmp);
2010 return AVERROR_INVALIDDATA;
2011 }
2012 19840 sl->deblocking_filter = tmp;
2013
2/2
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✓ Branch 1 taken 2501 times.
19840 if (sl->deblocking_filter < 2)
2014 17339 sl->deblocking_filter ^= 1; // 1<->0
2015
2016
2/2
✓ Branch 0 taken 12905 times.
✓ Branch 1 taken 6935 times.
19840 if (sl->deblocking_filter) {
2017 12905 int slice_alpha_c0_offset_div2 = get_se_golomb(&sl->gb);
2018 12905 int slice_beta_offset_div2 = get_se_golomb(&sl->gb);
2019
2/4
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✗ Branch 1 not taken.
✓ Branch 2 taken 12905 times.
✗ Branch 3 not taken.
12905 if (slice_alpha_c0_offset_div2 > 6 ||
2020
1/2
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✗ Branch 1 not taken.
12905 slice_alpha_c0_offset_div2 < -6 ||
2021
1/2
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✓ Branch 1 taken 12905 times.
12905 slice_beta_offset_div2 > 6 ||
2022 slice_beta_offset_div2 < -6) {
2023 av_log(h->avctx, AV_LOG_ERROR,
2024 "deblocking filter parameters %d %d out of range\n",
2025 slice_alpha_c0_offset_div2, slice_beta_offset_div2);
2026 return AVERROR_INVALIDDATA;
2027 }
2028 12905 sl->slice_alpha_c0_offset = slice_alpha_c0_offset_div2 * 2;
2029 12905 sl->slice_beta_offset = slice_beta_offset_div2 * 2;
2030 }
2031 }
2032
2033 34296 return 0;
2034 }
2035
2036 /* do all the per-slice initialization needed before we can start decoding the
2037 * actual MBs */
2038 34216 static int h264_slice_init(H264Context *h, H264SliceContext *sl,
2039 const H2645NAL *nal)
2040 {
2041 34216 int i, j, ret = 0;
2042
2043
3/4
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✗ Branch 2 not taken.
✓ Branch 3 taken 2073 times.
34216 if (h->picture_idr && nal->type != H264_NAL_IDR_SLICE) {
2044 av_log(h->avctx, AV_LOG_ERROR, "Invalid mix of IDR and non-IDR slices\n");
2045 return AVERROR_INVALIDDATA;
2046 }
2047
2048 av_assert1(h->mb_num == h->mb_width * h->mb_height);
2049
5/6
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✓ Branch 2 taken 8596 times.
✓ Branch 3 taken 20852 times.
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✗ Branch 5 not taken.
34216 if (sl->first_mb_addr << FIELD_OR_MBAFF_PICTURE(h) >= h->mb_num ||
2050
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34216 times.
34216 sl->first_mb_addr >= h->mb_num) {
2051 av_log(h->avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
2052 return AVERROR_INVALIDDATA;
2053 }
2054 34216 sl->resync_mb_x = sl->mb_x = sl->first_mb_addr % h->mb_width;
2055 68432 sl->resync_mb_y = sl->mb_y = (sl->first_mb_addr / h->mb_width) <<
2056
4/4
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✓ Branch 1 taken 4768 times.
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✓ Branch 3 taken 20852 times.
34216 FIELD_OR_MBAFF_PICTURE(h);
2057
2/2
✓ Branch 0 taken 4295 times.
✓ Branch 1 taken 29921 times.
34216 if (h->picture_structure == PICT_BOTTOM_FIELD)
2058 4295 sl->resync_mb_y = sl->mb_y = sl->mb_y + 1;
2059 av_assert1(sl->mb_y < h->mb_height);
2060
2061 34216 ret = ff_h264_build_ref_list(h, sl);
2062
1/2
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✓ Branch 1 taken 34216 times.
34216 if (ret < 0)
2063 return ret;
2064
2065
2/2
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✓ Branch 1 taken 31790 times.
34216 if (h->ps.pps->weighted_bipred_idc == 2 &&
2066
2/2
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✓ Branch 1 taken 837 times.
2426 sl->slice_type_nos == AV_PICTURE_TYPE_B) {
2067 1589 implicit_weight_table(h, sl, -1);
2068
2/2
✓ Branch 0 taken 855 times.
✓ Branch 1 taken 734 times.
1589 if (FRAME_MBAFF(h)) {
2069 855 implicit_weight_table(h, sl, 0);
2070 855 implicit_weight_table(h, sl, 1);
2071 }
2072 }
2073
2074
4/4
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✓ Branch 1 taken 22184 times.
✓ Branch 2 taken 7703 times.
✓ Branch 3 taken 4329 times.
34216 if (sl->slice_type_nos == AV_PICTURE_TYPE_B && !sl->direct_spatial_mv_pred)
2075 7703 ff_h264_direct_dist_scale_factor(h, sl);
2076
1/2
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✗ Branch 1 not taken.
34216 if (!h->setup_finished)
2077 34216 ff_h264_direct_ref_list_init(h, sl);
2078
2079
1/2
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✗ Branch 1 not taken.
34216 if (h->avctx->skip_loop_filter >= AVDISCARD_ALL ||
2080
1/2
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✓ Branch 1 taken 34216 times.
34216 (h->avctx->skip_loop_filter >= AVDISCARD_NONKEY &&
2081 h->nal_unit_type != H264_NAL_IDR_SLICE) ||
2082
1/2
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✓ Branch 1 taken 34216 times.
34216 (h->avctx->skip_loop_filter >= AVDISCARD_NONINTRA &&
2083 sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
2084
1/2
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✓ Branch 1 taken 34216 times.
34216 (h->avctx->skip_loop_filter >= AVDISCARD_BIDIR &&
2085 sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
2086
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34216 times.
34216 (h->avctx->skip_loop_filter >= AVDISCARD_NONREF &&
2087 nal->ref_idc == 0))
2088 sl->deblocking_filter = 0;
2089
2090
3/4
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✗ Branch 2 not taken.
✓ Branch 3 taken 24780 times.
34216 if (sl->deblocking_filter == 1 && h->nb_slice_ctx > 1) {
2091 if (h->avctx->flags2 & AV_CODEC_FLAG2_FAST) {
2092 /* Cheat slightly for speed:
2093 * Do not bother to deblock across slices. */
2094 sl->deblocking_filter = 2;
2095 } else {
2096 h->postpone_filter = 1;
2097 }
2098 }
2099 34216 sl->qp_thresh = 15 -
2100 34216 FFMIN(sl->slice_alpha_c0_offset, sl->slice_beta_offset) -
2101 34216 FFMAX3(0,
2102 h->ps.pps->chroma_qp_index_offset[0],
2103 34216 h->ps.pps->chroma_qp_index_offset[1]) +
2104 34216 6 * (h->ps.sps->bit_depth_luma - 8);
2105
2106 34216 sl->slice_num = ++h->current_slice;
2107
2108
1/2
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✗ Branch 1 not taken.
34216 if (sl->slice_num)
2109 34216 h->slice_row[(sl->slice_num-1)&(MAX_SLICES-1)]= sl->resync_mb_y;
2110
2/2
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✓ Branch 1 taken 2668 times.
34216 if ( h->slice_row[sl->slice_num&(MAX_SLICES-1)] + 3 >= sl->resync_mb_y
2111
2/2
✓ Branch 0 taken 23735 times.
✓ Branch 1 taken 7813 times.
31548 && h->slice_row[sl->slice_num&(MAX_SLICES-1)] <= sl->resync_mb_y
2112
1/2
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✓ Branch 1 taken 23735 times.
23735 && sl->slice_num >= MAX_SLICES) {
2113 //in case of ASO this check needs to be updated depending on how we decide to assign slice numbers in this case
2114 av_log(h->avctx, AV_LOG_WARNING, "Possibly too many slices (%d >= %d), increase MAX_SLICES and recompile if there are artifacts\n", sl->slice_num, MAX_SLICES);
2115 }
2116
2117
2/2
✓ Branch 0 taken 68432 times.
✓ Branch 1 taken 34216 times.
102648 for (j = 0; j < 2; j++) {
2118 int id_list[16];
2119 68432 int *ref2frm = h->ref2frm[sl->slice_num & (MAX_SLICES - 1)][j];
2120
2/2
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✓ Branch 1 taken 68432 times.
1163344 for (i = 0; i < 16; i++) {
2121 1094912 id_list[i] = 60;
2122
4/4
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✓ Branch 1 taken 422656 times.
✓ Branch 2 taken 134229 times.
✓ Branch 3 taken 538027 times.
1094912 if (j < sl->list_count && i < sl->ref_count[j] &&
2123
1/2
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✗ Branch 1 not taken.
134229 sl->ref_list[j][i].parent->f->buf[0]) {
2124 int k;
2125 134229 AVBuffer *buf = sl->ref_list[j][i].parent->f->buf[0]->buffer;
2126
2/2
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✓ Branch 1 taken 1933 times.
459585 for (k = 0; k < h->short_ref_count; k++)
2127
2/2
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✓ Branch 1 taken 325356 times.
457652 if (h->short_ref[k]->f->buf[0]->buffer == buf) {
2128 132296 id_list[i] = k;
2129 132296 break;
2130 }
2131
2/2
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✓ Branch 1 taken 132437 times.
144307 for (k = 0; k < h->long_ref_count; k++)
2132
4/4
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✓ Branch 1 taken 601 times.
✓ Branch 2 taken 1792 times.
✓ Branch 3 taken 9477 times.
11870 if (h->long_ref[k] && h->long_ref[k]->f->buf[0]->buffer == buf) {
2133 1792 id_list[i] = h->short_ref_count + k;
2134 1792 break;
2135 }
2136 }
2137 }
2138
2139 68432 ref2frm[0] =
2140 68432 ref2frm[1] = -1;
2141
2/2
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✓ Branch 1 taken 68432 times.
1163344 for (i = 0; i < 16; i++)
2142 1094912 ref2frm[i + 2] = 4 * id_list[i] + (sl->ref_list[j][i].reference & 3);
2143 68432 ref2frm[18 + 0] =
2144 68432 ref2frm[18 + 1] = -1;
2145
2/2
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✓ Branch 1 taken 68432 times.
2258256 for (i = 16; i < 48; i++)
2146 2189824 ref2frm[i + 4] = 4 * id_list[(i - 16) >> 1] +
2147 2189824 (sl->ref_list[j][i].reference & 3);
2148 }
2149
2150
1/2
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34216 if (h->avctx->debug & FF_DEBUG_PICT_INFO) {
2151 av_log(h->avctx, AV_LOG_DEBUG,
2152 "slice:%d %s mb:%d %c%s%s frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n",
2153 sl->slice_num,
2154 (h->picture_structure == PICT_FRAME ? "F" : h->picture_structure == PICT_TOP_FIELD ? "T" : "B"),
2155 sl->mb_y * h->mb_width + sl->mb_x,
2156 av_get_picture_type_char(sl->slice_type),
2157 sl->slice_type_fixed ? " fix" : "",
2158 nal->type == H264_NAL_IDR_SLICE ? " IDR" : "",
2159 h->poc.frame_num,
2160 h->cur_pic_ptr->field_poc[0],
2161 h->cur_pic_ptr->field_poc[1],
2162 sl->ref_count[0], sl->ref_count[1],
2163 sl->qscale,
2164 sl->deblocking_filter,
2165 sl->slice_alpha_c0_offset, sl->slice_beta_offset,
2166 sl->pwt.use_weight,
2167 sl->pwt.use_weight == 1 && sl->pwt.use_weight_chroma ? "c" : "",
2168 sl->slice_type == AV_PICTURE_TYPE_B ? (sl->direct_spatial_mv_pred ? "SPAT" : "TEMP") : "");
2169 }
2170
2171 34216 return 0;
2172 }
2173
2174 34685 int ff_h264_queue_decode_slice(H264Context *h, const H2645NAL *nal)
2175 {
2176 34685 H264SliceContext *sl = h->slice_ctx + h->nb_slice_ctx_queued;
2177
4/4
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✓ Branch 1 taken 450 times.
✓ Branch 2 taken 26378 times.
✓ Branch 3 taken 7857 times.
34685 int first_slice = sl == h->slice_ctx && !h->current_slice;
2178 int ret;
2179
2180 34685 sl->gb = nal->gb;
2181
2182 34685 ret = h264_slice_header_parse(h, sl, nal);
2183
2/2
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✓ Branch 1 taken 34296 times.
34685 if (ret < 0)
2184 389 return ret;
2185
2186 // discard redundant pictures
2187
1/2
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✓ Branch 1 taken 34296 times.
34296 if (sl->redundant_pic_count > 0) {
2188 sl->ref_count[0] = sl->ref_count[1] = 0;
2189 return 0;
2190 }
2191
2192
3/4
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34296 if (sl->first_mb_addr == 0 || !h->current_slice) {
2193
1/2
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✓ Branch 1 taken 26191 times.
26191 if (h->setup_finished) {
2194 av_log(h->avctx, AV_LOG_ERROR, "Too many fields\n");
2195 return AVERROR_INVALIDDATA;
2196 }
2197 }
2198
2199
2/2
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✓ Branch 1 taken 8105 times.
34296 if (sl->first_mb_addr == 0) { // FIXME better field boundary detection
2200
2/2
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✓ Branch 1 taken 25998 times.
26191 if (h->current_slice) {
2201 // this slice starts a new field
2202 // first decode any pending queued slices
2203
1/2
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✓ Branch 1 taken 193 times.
193 if (h->nb_slice_ctx_queued) {
2204 H264SliceContext tmp_ctx;
2205
2206 ret = ff_h264_execute_decode_slices(h);
2207 if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
2208 return ret;
2209
2210 memcpy(&tmp_ctx, h->slice_ctx, sizeof(tmp_ctx));
2211 memcpy(h->slice_ctx, sl, sizeof(tmp_ctx));
2212 memcpy(sl, &tmp_ctx, sizeof(tmp_ctx));
2213 sl = h->slice_ctx;
2214 }
2215
2216
3/6
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✗ Branch 5 not taken.
193 if (h->cur_pic_ptr && FIELD_PICTURE(h) && h->first_field) {
2217 193 ret = ff_h264_field_end(h, h->slice_ctx, 1);
2218
1/2
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✓ Branch 1 taken 193 times.
193 if (ret < 0)
2219 return ret;
2220 } else if (h->cur_pic_ptr && !FIELD_PICTURE(h) && !h->first_field && h->nal_unit_type == H264_NAL_IDR_SLICE) {
2221 av_log(h, AV_LOG_WARNING, "Broken frame packetizing\n");
2222 ret = ff_h264_field_end(h, h->slice_ctx, 1);
2223 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
2224 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
2225 h->cur_pic_ptr = NULL;
2226 if (ret < 0)
2227 return ret;
2228 } else
2229 return AVERROR_INVALIDDATA;
2230 }
2231
2232
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26191 if (!h->first_field) {
2233
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✗ Branch 3 not taken.
22859 if (h->cur_pic_ptr && !h->droppable) {
2234 299 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
2235 299 h->picture_structure == PICT_BOTTOM_FIELD);
2236 }
2237 22859 h->cur_pic_ptr = NULL;
2238 }
2239 }
2240
2241
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34296 if (!h->current_slice)
2242
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26191 av_assert0(sl == h->slice_ctx);
2243
2244
4/4
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✓ Branch 2 taken 22859 times.
✓ Branch 3 taken 3332 times.
34296 if (h->current_slice == 0 && !h->first_field) {
2245 22859 if (
2246
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✗ Branch 3 not taken.
22859 (h->avctx->skip_frame >= AVDISCARD_NONREF && !h->nal_ref_idc) ||
2247
4/4
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✓ Branch 1 taken 22775 times.
✓ Branch 2 taken 40 times.
✓ Branch 3 taken 44 times.
22859 (h->avctx->skip_frame >= AVDISCARD_BIDIR && sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
2248
4/4
✓ Branch 0 taken 40 times.
✓ Branch 1 taken 22775 times.
✓ Branch 2 taken 4 times.
✓ Branch 3 taken 36 times.
22815 (h->avctx->skip_frame >= AVDISCARD_NONINTRA && sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
2249
4/6
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22779 (h->avctx->skip_frame >= AVDISCARD_NONKEY && h->nal_unit_type != H264_NAL_IDR_SLICE && h->sei.recovery_point.recovery_frame_cnt < 0) ||
2250
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22779 h->avctx->skip_frame >= AVDISCARD_ALL) {
2251 80 return 0;
2252 }
2253 }
2254
2255
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✓ Branch 1 taken 25918 times.
34216 if (!first_slice) {
2256 8298 const PPS *pps = (const PPS*)h->ps.pps_list[sl->pps_id]->data;
2257
2258
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8298 if (h->ps.pps->sps_id != pps->sps_id ||
2259
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8298 h->ps.pps->transform_8x8_mode != pps->transform_8x8_mode /*||
2260 (h->setup_finished && h->ps.pps != pps)*/) {
2261 av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\n");
2262 return AVERROR_INVALIDDATA;
2263 }
2264
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✓ Branch 1 taken 8298 times.
8298 if (h->ps.sps != pps->sps) {
2265 av_log(h->avctx, AV_LOG_ERROR,
2266 "SPS changed in the middle of the frame\n");
2267 return AVERROR_INVALIDDATA;
2268 }
2269 }
2270
2271
2/2
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34216 if (h->current_slice == 0) {
2272 26111 ret = h264_field_start(h, sl, nal, first_slice);
2273
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26111 if (ret < 0)
2274 return ret;
2275 } else {
2276
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✗ Branch 1 not taken.
8105 if (h->picture_structure != sl->picture_structure ||
2277
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8105 h->droppable != (nal->ref_idc == 0)) {
2278 av_log(h->avctx, AV_LOG_ERROR,
2279 "Changing field mode (%d -> %d) between slices is not allowed\n",
2280 h->picture_structure, sl->picture_structure);
2281 return AVERROR_INVALIDDATA;
2282
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✓ Branch 1 taken 8105 times.
8105 } else if (!h->cur_pic_ptr) {
2283 av_log(h->avctx, AV_LOG_ERROR,
2284 "unset cur_pic_ptr on slice %d\n",
2285 h->current_slice + 1);
2286 return AVERROR_INVALIDDATA;
2287 }
2288 }
2289
2290 34216 ret = h264_slice_init(h, sl, nal);
2291
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✓ Branch 1 taken 34216 times.
34216 if (ret < 0)
2292 return ret;
2293
2294 34216 h->nb_slice_ctx_queued++;
2295
2296 34216 return 0;
2297 }
2298
2299 int ff_h264_get_slice_type(const H264SliceContext *sl)
2300 {
2301 switch (sl->slice_type) {
2302 case AV_PICTURE_TYPE_P:
2303 return 0;
2304 case AV_PICTURE_TYPE_B:
2305 return 1;
2306 case AV_PICTURE_TYPE_I:
2307 return 2;
2308 case AV_PICTURE_TYPE_SP:
2309 return 3;
2310 case AV_PICTURE_TYPE_SI:
2311 return 4;
2312 default:
2313 return AVERROR_INVALIDDATA;
2314 }
2315 }
2316
2317 11509805 static av_always_inline void fill_filter_caches_inter(const H264Context *h,
2318 H264SliceContext *sl,
2319 int mb_type, int top_xy,
2320 int left_xy[LEFT_MBS],
2321 int top_type,
2322 int left_type[LEFT_MBS],
2323 int mb_xy, int list)
2324 {
2325 11509805 int b_stride = h->b_stride;
2326 11509805 int16_t(*mv_dst)[2] = &sl->mv_cache[list][scan8[0]];
2327 11509805 int8_t *ref_cache = &sl->ref_cache[list][scan8[0]];
2328
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11509805 if (IS_INTER(mb_type) || IS_DIRECT(mb_type)) {
2329
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11509805 if (USES_LIST(top_type, list)) {
2330 9256034 const int b_xy = h->mb2b_xy[top_xy] + 3 * b_stride;
2331 9256034 const int b8_xy = 4 * top_xy + 2;
2332
2/2
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9256034 const int *ref2frm = &h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][list][(MB_MBAFF(sl) ? 20 : 2)];
2333 9256034 AV_COPY128(mv_dst - 1 * 8, h->cur_pic.motion_val[list][b_xy + 0]);
2334 9256034 ref_cache[0 - 1 * 8] =
2335 9256034 ref_cache[1 - 1 * 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 0]];
2336 9256034 ref_cache[2 - 1 * 8] =
2337 9256034 ref_cache[3 - 1 * 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 1]];
2338 } else {
2339 2253771 AV_ZERO128(mv_dst - 1 * 8);
2340 2253771 AV_WN32A(&ref_cache[0 - 1 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2341 }
2342
2343
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✓ Branch 1 taken 410663 times.
11509805 if (!IS_INTERLACED(mb_type ^ left_type[LTOP])) {
2344
2/2
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✓ Branch 1 taken 1814535 times.
11099142 if (USES_LIST(left_type[LTOP], list)) {
2345 9284607 const int b_xy = h->mb2b_xy[left_xy[LTOP]] + 3;
2346 9284607 const int b8_xy = 4 * left_xy[LTOP] + 1;
2347
2/2
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✓ Branch 1 taken 9065566 times.
9284607 const int *ref2frm = &h->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][list][(MB_MBAFF(sl) ? 20 : 2)];
2348 9284607 AV_COPY32(mv_dst - 1 + 0, h->cur_pic.motion_val[list][b_xy + b_stride * 0]);
2349 9284607 AV_COPY32(mv_dst - 1 + 8, h->cur_pic.motion_val[list][b_xy + b_stride * 1]);
2350 9284607 AV_COPY32(mv_dst - 1 + 16, h->cur_pic.motion_val[list][b_xy + b_stride * 2]);
2351 9284607 AV_COPY32(mv_dst - 1 + 24, h->cur_pic.motion_val[list][b_xy + b_stride * 3]);
2352 9284607 ref_cache[-1 + 0] =
2353 9284607 ref_cache[-1 + 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 2 * 0]];
2354 9284607 ref_cache[-1 + 16] =
2355 9284607 ref_cache[-1 + 24] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 2 * 1]];
2356 } else {
2357 1814535 AV_ZERO32(mv_dst - 1 + 0);
2358 1814535 AV_ZERO32(mv_dst - 1 + 8);
2359 1814535 AV_ZERO32(mv_dst - 1 + 16);
2360 1814535 AV_ZERO32(mv_dst - 1 + 24);
2361 1814535 ref_cache[-1 + 0] =
2362 1814535 ref_cache[-1 + 8] =
2363 1814535 ref_cache[-1 + 16] =
2364 1814535 ref_cache[-1 + 24] = LIST_NOT_USED;
2365 }
2366 }
2367 }
2368
2369
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✓ Branch 1 taken 10246815 times.
11509805 if (!USES_LIST(mb_type, list)) {
2370 1262990 fill_rectangle(mv_dst, 4, 4, 8, pack16to32(0, 0), 4);
2371 1262990 AV_WN32A(&ref_cache[0 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2372 1262990 AV_WN32A(&ref_cache[1 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2373 1262990 AV_WN32A(&ref_cache[2 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2374 1262990 AV_WN32A(&ref_cache[3 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2375 1262990 return;
2376 }
2377
2378 {
2379 10246815 int8_t *ref = &h->cur_pic.ref_index[list][4 * mb_xy];
2380
2/2
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✓ Branch 1 taken 9867267 times.
10246815 const int *ref2frm = &h->ref2frm[sl->slice_num & (MAX_SLICES - 1)][list][(MB_MBAFF(sl) ? 20 : 2)];
2381 10246815 uint32_t ref01 = (pack16to32(ref2frm[ref[0]], ref2frm[ref[1]]) & 0x00FF00FF) * 0x0101;
2382 10246815 uint32_t ref23 = (pack16to32(ref2frm[ref[2]], ref2frm[ref[3]]) & 0x00FF00FF) * 0x0101;
2383 10246815 AV_WN32A(&ref_cache[0 * 8], ref01);
2384 10246815 AV_WN32A(&ref_cache[1 * 8], ref01);
2385 10246815 AV_WN32A(&ref_cache[2 * 8], ref23);
2386 10246815 AV_WN32A(&ref_cache[3 * 8], ref23);
2387 }
2388
2389 {
2390 10246815 int16_t(*mv_src)[2] = &h->cur_pic.motion_val[list][4 * sl->mb_x + 4 * sl->mb_y * b_stride];
2391 10246815 AV_COPY128(mv_dst + 8 * 0, mv_src + 0 * b_stride);
2392 10246815 AV_COPY128(mv_dst + 8 * 1, mv_src + 1 * b_stride);
2393 10246815 AV_COPY128(mv_dst + 8 * 2, mv_src + 2 * b_stride);
2394 10246815 AV_COPY128(mv_dst + 8 * 3, mv_src + 3 * b_stride);
2395 }
2396 }
2397
2398 /**
2399 * @return non zero if the loop filter can be skipped
2400 */
2401 11609103 static int fill_filter_caches(const H264Context *h, H264SliceContext *sl, int mb_type)
2402 {
2403 11609103 const int mb_xy = sl->mb_xy;
2404 int top_xy, left_xy[LEFT_MBS];
2405 int top_type, left_type[LEFT_MBS];
2406 uint8_t *nnz;
2407 uint8_t *nnz_cache;
2408
2409 11609103 top_xy = mb_xy - (h->mb_stride << MB_FIELD(sl));
2410
2411 11609103 left_xy[LBOT] = left_xy[LTOP] = mb_xy - 1;
2412
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11609103 if (FRAME_MBAFF(h)) {
2413 1814136 const int left_mb_field_flag = IS_INTERLACED(h->cur_pic.mb_type[mb_xy - 1]);
2414 1814136 const int curr_mb_field_flag = IS_INTERLACED(mb_type);
2415
2/2
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1814136 if (sl->mb_y & 1) {
2416
2/2
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✓ Branch 1 taken 717802 times.
907068 if (left_mb_field_flag != curr_mb_field_flag)
2417 189266 left_xy[LTOP] -= h->mb_stride;
2418 } else {
2419
2/2
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✓ Branch 1 taken 665811 times.
907068 if (curr_mb_field_flag)
2420 241257 top_xy += h->mb_stride &
2421 241257 (((h->cur_pic.mb_type[top_xy] >> 7) & 1) - 1);
2422
2/2
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907068 if (left_mb_field_flag != curr_mb_field_flag)
2423 189266 left_xy[LBOT] += h->mb_stride;
2424 }
2425 }
2426
2427 11609103 sl->top_mb_xy = top_xy;
2428 11609103 sl->left_mb_xy[LTOP] = left_xy[LTOP];
2429 11609103 sl->left_mb_xy[LBOT] = left_xy[LBOT];
2430 {
2431 /* For sufficiently low qp, filtering wouldn't do anything.
2432 * This is a conservative estimate: could also check beta_offset
2433 * and more accurate chroma_qp. */
2434 11609103 int qp_thresh = sl->qp_thresh; // FIXME strictly we should store qp_thresh for each mb of a slice
2435 11609103 int qp = h->cur_pic.qscale_table[mb_xy];
2436
2/2
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11609103 if (qp <= qp_thresh &&
2437
2/2
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✓ Branch 1 taken 811 times.
1458628 (left_xy[LTOP] < 0 ||
2438
4/4
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✓ Branch 1 taken 70086 times.
✓ Branch 2 taken 1328998 times.
✓ Branch 3 taken 59544 times.
1458628 ((qp + h->cur_pic.qscale_table[left_xy[LTOP]] + 1) >> 1) <= qp_thresh) &&
2439 1328998 (top_xy < 0 ||
2440
2/2
✓ Branch 0 taken 1153651 times.
✓ Branch 1 taken 175347 times.
1328998 ((qp + h->cur_pic.qscale_table[top_xy] + 1) >> 1) <= qp_thresh)) {
2441
2/2
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✓ Branch 1 taken 222445 times.
1213195 if (!FRAME_MBAFF(h))
2442 990750 return 1;
2443
2/2
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✓ Branch 1 taken 94 times.
222445 if ((left_xy[LTOP] < 0 ||
2444
2/2
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✓ Branch 1 taken 405 times.
222351 ((qp + h->cur_pic.qscale_table[left_xy[LBOT]] + 1) >> 1) <= qp_thresh) &&
2445
2/2
✓ Branch 0 taken 207469 times.
✓ Branch 1 taken 14571 times.
222040 (top_xy < h->mb_stride ||
2446
2/2
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✓ Branch 1 taken 16394 times.
207469 ((qp + h->cur_pic.qscale_table[top_xy - h->mb_stride] + 1) >> 1) <= qp_thresh))
2447 205646 return 1;
2448 }
2449 }
2450
2451 10412707 top_type = h->cur_pic.mb_type[top_xy];
2452 10412707 left_type[LTOP] = h->cur_pic.mb_type[left_xy[LTOP]];
2453 10412707 left_type[LBOT] = h->cur_pic.mb_type[left_xy[LBOT]];
2454
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✓ Branch 1 taken 9942331 times.
10412707 if (sl->deblocking_filter == 2) {
2455
2/2
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✓ Branch 1 taken 413498 times.
470376 if (h->slice_table[top_xy] != sl->slice_num)
2456 56878 top_type = 0;
2457
2/2
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✓ Branch 1 taken 456502 times.
470376 if (h->slice_table[left_xy[LBOT]] != sl->slice_num)
2458 13874 left_type[LTOP] = left_type[LBOT] = 0;
2459 } else {
2460
2/2
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✓ Branch 1 taken 9487803 times.
9942331 if (h->slice_table[top_xy] == 0xFFFF)
2461 454528 top_type = 0;
2462
2/2
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✓ Branch 1 taken 9646451 times.
9942331 if (h->slice_table[left_xy[LBOT]] == 0xFFFF)
2463 295880 left_type[LTOP] = left_type[LBOT] = 0;
2464 }
2465 10412707 sl->top_type = top_type;
2466 10412707 sl->left_type[LTOP] = left_type[LTOP];
2467 10412707 sl->left_type[LBOT] = left_type[LBOT];
2468
2469
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✓ Branch 1 taken 7521791 times.
10412707 if (IS_INTRA(mb_type))
2470 2890916 return 0;
2471
2472 7521791 fill_filter_caches_inter(h, sl, mb_type, top_xy, left_xy,
2473 top_type, left_type, mb_xy, 0);
2474
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7521791 if (sl->list_count == 2)
2475 3988014 fill_filter_caches_inter(h, sl, mb_type, top_xy, left_xy,
2476 top_type, left_type, mb_xy, 1);
2477
2478 7521791 nnz = h->non_zero_count[mb_xy];
2479 7521791 nnz_cache = sl->non_zero_count_cache;
2480 7521791 AV_COPY32(&nnz_cache[4 + 8 * 1], &nnz[0]);
2481 7521791 AV_COPY32(&nnz_cache[4 + 8 * 2], &nnz[4]);
2482 7521791 AV_COPY32(&nnz_cache[4 + 8 * 3], &nnz[8]);
2483 7521791 AV_COPY32(&nnz_cache[4 + 8 * 4], &nnz[12]);
2484 7521791 sl->cbp = h->cbp_table[mb_xy];
2485
2486
2/2
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✓ Branch 1 taken 409480 times.
7521791 if (top_type) {
2487 7112311 nnz = h->non_zero_count[top_xy];
2488 7112311 AV_COPY32(&nnz_cache[4 + 8 * 0], &nnz[3 * 4]);
2489 }
2490
2491
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✓ Branch 1 taken 254035 times.
7521791 if (left_type[LTOP]) {
2492 7267756 nnz = h->non_zero_count[left_xy[LTOP]];
2493 7267756 nnz_cache[3 + 8 * 1] = nnz[3 + 0 * 4];
2494 7267756 nnz_cache[3 + 8 * 2] = nnz[3 + 1 * 4];
2495 7267756 nnz_cache[3 + 8 * 3] = nnz[3 + 2 * 4];
2496 7267756 nnz_cache[3 + 8 * 4] = nnz[3 + 3 * 4];
2497 }
2498
2499 /* CAVLC 8x8dct requires NNZ values for residual decoding that differ
2500 * from what the loop filter needs */
2501
4/4
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✓ Branch 2 taken 246512 times.
✓ Branch 3 taken 1782924 times.
7521791 if (!CABAC(h) && h->ps.pps->transform_8x8_mode) {
2502
2/2
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✓ Branch 1 taken 138632 times.
246512 if (IS_8x8DCT(top_type)) {
2503 107880 nnz_cache[4 + 8 * 0] =
2504 107880 nnz_cache[5 + 8 * 0] = (h->cbp_table[top_xy] & 0x4000) >> 12;
2505 107880 nnz_cache[6 + 8 * 0] =
2506 107880 nnz_cache[7 + 8 * 0] = (h->cbp_table[top_xy] & 0x8000) >> 12;
2507 }
2508
2/2
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✓ Branch 1 taken 136056 times.
246512 if (IS_8x8DCT(left_type[LTOP])) {
2509 110456 nnz_cache[3 + 8 * 1] =
2510 110456 nnz_cache[3 + 8 * 2] = (h->cbp_table[left_xy[LTOP]] & 0x2000) >> 12; // FIXME check MBAFF
2511 }
2512
2/2
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✓ Branch 1 taken 135956 times.
246512 if (IS_8x8DCT(left_type[LBOT])) {
2513 110556 nnz_cache[3 + 8 * 3] =
2514 110556 nnz_cache[3 + 8 * 4] = (h->cbp_table[left_xy[LBOT]] & 0x8000) >> 12; // FIXME check MBAFF
2515 }
2516
2517
2/2
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✓ Branch 1 taken 141589 times.
246512 if (IS_8x8DCT(mb_type)) {
2518 104923 nnz_cache[scan8[0]] =
2519 104923 nnz_cache[scan8[1]] =
2520 104923 nnz_cache[scan8[2]] =
2521 104923 nnz_cache[scan8[3]] = (sl->cbp & 0x1000) >> 12;
2522
2523 104923 nnz_cache[scan8[0 + 4]] =
2524 104923 nnz_cache[scan8[1 + 4]] =
2525 104923 nnz_cache[scan8[2 + 4]] =
2526 104923 nnz_cache[scan8[3 + 4]] = (sl->cbp & 0x2000) >> 12;
2527
2528 104923 nnz_cache[scan8[0 + 8]] =
2529 104923 nnz_cache[scan8[1 + 8]] =
2530 104923 nnz_cache[scan8[2 + 8]] =
2531 104923 nnz_cache[scan8[3 + 8]] = (sl->cbp & 0x4000) >> 12;
2532
2533 104923 nnz_cache[scan8[0 + 12]] =
2534 104923 nnz_cache[scan8[1 + 12]] =
2535 104923 nnz_cache[scan8[2 + 12]] =
2536 104923 nnz_cache[scan8[3 + 12]] = (sl->cbp & 0x8000) >> 12;
2537 }
2538 }
2539
2540 7521791 return 0;
2541 }
2542
2543 365832 static void loop_filter(const H264Context *h, H264SliceContext *sl, int start_x, int end_x)
2544 {
2545 uint8_t *dest_y, *dest_cb, *dest_cr;
2546 int linesize, uvlinesize, mb_x, mb_y;
2547 365832 const int end_mb_y = sl->mb_y + FRAME_MBAFF(h);
2548 365832 const int old_slice_type = sl->slice_type;
2549 365832 const int pixel_shift = h->pixel_shift;
2550 365832 const int block_h = 16 >> h->chroma_y_shift;
2551
2552
1/2
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✓ Branch 1 taken 365832 times.
365832 if (h->postpone_filter)
2553 return;
2554
2555
2/2
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✓ Branch 1 taken 69162 times.
365832 if (sl->deblocking_filter) {
2556
2/2
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✓ Branch 1 taken 296670 times.
10998705 for (mb_x = start_x; mb_x < end_x; mb_x++)
2557
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✓ Branch 0 taken 11609103 times.
✓ Branch 1 taken 10702035 times.
22311138 for (mb_y = end_mb_y - FRAME_MBAFF(h); mb_y <= end_mb_y; mb_y++) {
2558 int mb_xy, mb_type;
2559 11609103 mb_xy = sl->mb_xy = mb_x + mb_y * h->mb_stride;
2560 11609103 mb_type = h->cur_pic.mb_type[mb_xy];
2561
2562
2/2
✓ Branch 0 taken 1814136 times.
✓ Branch 1 taken 9794967 times.
11609103 if (FRAME_MBAFF(h))
2563 1814136 sl->mb_mbaff =
2564 1814136 sl->mb_field_decoding_flag = !!IS_INTERLACED(mb_type);
2565
2566 11609103 sl->mb_x = mb_x;
2567 11609103 sl->mb_y = mb_y;
2568 11609103 dest_y = h->cur_pic.f->data[0] +
2569 11609103 ((mb_x << pixel_shift) + mb_y * sl->linesize) * 16;
2570 23218206 dest_cb = h->cur_pic.f->data[1] +
2571
2/2
✓ Branch 0 taken 80328 times.
✓ Branch 1 taken 11528775 times.
11609103 (mb_x << pixel_shift) * (8 << CHROMA444(h)) +
2572 11609103 mb_y * sl->uvlinesize * block_h;
2573 23218206 dest_cr = h->cur_pic.f->data[2] +
2574
2/2
✓ Branch 0 taken 80328 times.
✓ Branch 1 taken 11528775 times.
11609103 (mb_x << pixel_shift) * (8 << CHROMA444(h)) +
2575 11609103 mb_y * sl->uvlinesize * block_h;
2576 // FIXME simplify above
2577
2578
2/2
✓ Branch 0 taken 4418472 times.
✓ Branch 1 taken 7190631 times.
11609103 if (MB_FIELD(sl)) {
2579 4418472 linesize = sl->mb_linesize = sl->linesize * 2;
2580 4418472 uvlinesize = sl->mb_uvlinesize = sl->uvlinesize * 2;
2581
2/2
✓ Branch 0 taken 2206497 times.
✓ Branch 1 taken 2211975 times.
4418472 if (mb_y & 1) { // FIXME move out of this function?
2582 2206497 dest_y -= sl->linesize * 15;
2583 2206497 dest_cb -= sl->uvlinesize * (block_h - 1);
2584 2206497 dest_cr -= sl->uvlinesize * (block_h - 1);
2585 }
2586 } else {
2587 7190631 linesize = sl->mb_linesize = sl->linesize;
2588 7190631 uvlinesize = sl->mb_uvlinesize = sl->uvlinesize;
2589 }
2590 11609103 backup_mb_border(h, sl, dest_y, dest_cb, dest_cr, linesize,
2591 uvlinesize, 0);
2592
2/2
✓ Branch 1 taken 1196396 times.
✓ Branch 2 taken 10412707 times.
11609103 if (fill_filter_caches(h, sl, mb_type))
2593 1196396 continue;
2594 10412707 sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, h->cur_pic.qscale_table[mb_xy]);
2595 10412707 sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, h->cur_pic.qscale_table[mb_xy]);
2596
2597
2/2
✓ Branch 0 taken 1608490 times.
✓ Branch 1 taken 8804217 times.
10412707 if (FRAME_MBAFF(h)) {
2598 1608490 ff_h264_filter_mb(h, sl, mb_x, mb_y, dest_y, dest_cb, dest_cr,
2599 linesize, uvlinesize);
2600 } else {
2601 8804217 ff_h264_filter_mb_fast(h, sl, mb_x, mb_y, dest_y, dest_cb,
2602 dest_cr, linesize, uvlinesize);
2603 }
2604 }
2605 }
2606 365832 sl->slice_type = old_slice_type;
2607 365832 sl->mb_x = end_x;
2608 365832 sl->mb_y = end_mb_y - FRAME_MBAFF(h);
2609 365832 sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale);
2610 365832 sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale);
2611 }
2612
2613 22884 static void predict_field_decoding_flag(const H264Context *h, H264SliceContext *sl)
2614 {
2615 22884 const int mb_xy = sl->mb_x + sl->mb_y * h->mb_stride;
2616 45768 int mb_type = (h->slice_table[mb_xy - 1] == sl->slice_num) ?
2617
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 22884 times.
45768 h->cur_pic.mb_type[mb_xy - 1] :
2618
2/2
✓ Branch 0 taken 22748 times.
✓ Branch 1 taken 136 times.
22884 (h->slice_table[mb_xy - h->mb_stride] == sl->slice_num) ?
2619 22748 h->cur_pic.mb_type[mb_xy - h->mb_stride] : 0;
2620 22884 sl->mb_mbaff = sl->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0;
2621 22884 }
2622
2623 /**
2624 * Draw edges and report progress for the last MB row.
2625 */
2626 361737 static void decode_finish_row(const H264Context *h, H264SliceContext *sl)
2627 {
2628 361737 int top = 16 * (sl->mb_y >> FIELD_PICTURE(h));
2629 361737 int pic_height = 16 * h->mb_height >> FIELD_PICTURE(h);
2630 361737 int height = 16 << FRAME_MBAFF(h);
2631 361737 int deblock_border = (16 + 4) << FRAME_MBAFF(h);
2632
2633
2/2
✓ Branch 0 taken 293587 times.
✓ Branch 1 taken 68150 times.
361737 if (sl->deblocking_filter) {
2634
2/2
✓ Branch 0 taken 20530 times.
✓ Branch 1 taken 273057 times.
293587 if ((top + height) >= pic_height)
2635 20530 height += deblock_border;
2636 293587 top -= deblock_border;
2637 }
2638
2639
3/4
✓ Branch 0 taken 361737 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 20531 times.
✓ Branch 3 taken 341206 times.
361737 if (top >= pic_height || (top + height) < 0)
2640 20531 return;
2641
2642 341206 height = FFMIN(height, pic_height - top);
2643
2/2
✓ Branch 0 taken 20531 times.
✓ Branch 1 taken 320675 times.
341206 if (top < 0) {
2644 20531 height = top + height;
2645 20531 top = 0;
2646 }
2647
2648 341206 ff_h264_draw_horiz_band(h, sl, top, height);
2649
2650
3/4
✓ Branch 0 taken 218435 times.
✓ Branch 1 taken 122771 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 218435 times.
341206 if (h->droppable || sl->h264->slice_ctx[0].er.error_occurred)
2651 122771 return;
2652
2653 218435 ff_thread_report_progress(&h->cur_pic_ptr->tf, top + height - 1,
2654 218435 h->picture_structure == PICT_BOTTOM_FIELD);
2655 }
2656
2657 34216 static void er_add_slice(H264SliceContext *sl,
2658 int startx, int starty,
2659 int endx, int endy, int status)
2660 {
2661
2/2
✓ Branch 0 taken 1200 times.
✓ Branch 1 taken 33016 times.
34216 if (!sl->h264->enable_er)
2662 1200 return;
2663
2664 if (CONFIG_ERROR_RESILIENCE) {
2665 33016 ERContext *er = &sl->h264->slice_ctx[0].er;
2666
2667 33016 ff_er_add_slice(er, startx, starty, endx, endy, status);
2668 }
2669 }
2670
2671 34216 static int decode_slice(struct AVCodecContext *avctx, void *arg)
2672 {
2673 34216 H264SliceContext *sl = arg;
2674 34216 const H264Context *h = sl->h264;
2675 34216 int lf_x_start = sl->mb_x;
2676 34216 int orig_deblock = sl->deblocking_filter;
2677 int ret;
2678
2679 34216 sl->linesize = h->cur_pic_ptr->f->linesize[0];
2680 34216 sl->uvlinesize = h->cur_pic_ptr->f->linesize[1];
2681
2682 34216 ret = alloc_scratch_buffers(sl, sl->linesize);
2683
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34216 times.
34216 if (ret < 0)
2684 return ret;
2685
2686 34216 sl->mb_skip_run = -1;
2687
2688
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34216 times.
34216 av_assert0(h->block_offset[15] == (4 * ((scan8[15] - scan8[0]) & 7) << h->pixel_shift) + 4 * sl->linesize * ((scan8[15] - scan8[0]) >> 3));
2689
2690
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34216 times.
34216 if (h->postpone_filter)
2691 sl->deblocking_filter = 0;
2692
2693
4/4
✓ Branch 0 taken 29448 times.
✓ Branch 1 taken 4768 times.
✓ Branch 2 taken 8596 times.
✓ Branch 3 taken 20852 times.
34216 sl->is_complex = FRAME_MBAFF(h) || h->picture_structure != PICT_FRAME ||
2694 (CONFIG_GRAY && (h->flags & AV_CODEC_FLAG_GRAY));
2695
2696
5/6
✓ Branch 0 taken 33016 times.
✓ Branch 1 taken 1200 times.
✓ Branch 2 taken 24420 times.
✓ Branch 3 taken 8596 times.
✓ Branch 4 taken 24420 times.
✗ Branch 5 not taken.
34216 if (!(h->avctx->active_thread_type & FF_THREAD_SLICE) && h->picture_structure == PICT_FRAME && h->slice_ctx[0].er.error_status_table) {
2697 24420 const int start_i = av_clip(sl->resync_mb_x + sl->resync_mb_y * h->mb_width, 0, h->mb_num - 1);
2698
2/2
✓ Branch 0 taken 5278 times.
✓ Branch 1 taken 19142 times.
24420 if (start_i) {
2699 5278 int prev_status = h->slice_ctx[0].er.error_status_table[h->slice_ctx[0].er.mb_index2xy[start_i - 1]];
2700 5278 prev_status &= ~ VP_START;
2701
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 5278 times.
5278 if (prev_status != (ER_MV_END | ER_DC_END | ER_AC_END))
2702 h->slice_ctx[0].er.error_occurred = 1;
2703 }
2704 }
2705
2706
2/2
✓ Branch 0 taken 18293 times.
✓ Branch 1 taken 15923 times.
34216 if (h->ps.pps->cabac) {
2707 /* realign */
2708 18293 align_get_bits(&sl->gb);
2709
2710 /* init cabac */
2711 36586 ret = ff_init_cabac_decoder(&sl->cabac,
2712 18293 sl->gb.buffer + get_bits_count(&sl->gb) / 8,
2713 18293 (get_bits_left(&sl->gb) + 7) / 8);
2714
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 18293 times.
18293 if (ret < 0)
2715 return ret;
2716
2717 18293 ff_h264_init_cabac_states(h, sl);
2718
2719 8532186 for (;;) {
2720 int ret, eos;
2721
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8550479 times.
8550479 if (sl->mb_x + sl->mb_y * h->mb_width >= sl->next_slice_idx) {
2722 av_log(h->avctx, AV_LOG_ERROR, "Slice overlaps with next at %d\n",
2723 sl->next_slice_idx);
2724 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2725 sl->mb_y, ER_MB_ERROR);
2726 return AVERROR_INVALIDDATA;
2727 }
2728
2729 8550479 ret = ff_h264_decode_mb_cabac(h, sl);
2730
2731
2/2
✓ Branch 0 taken 8550478 times.
✓ Branch 1 taken 1 times.
8550479 if (ret >= 0)
2732 8550478 ff_h264_hl_decode_mb(h, sl);
2733
2734 // FIXME optimal? or let mb_decode decode 16x32 ?
2735
4/4
✓ Branch 0 taken 8550478 times.
✓ Branch 1 taken 1 times.
✓ Branch 2 taken 798720 times.
✓ Branch 3 taken 7751758 times.
8550479 if (ret >= 0 && FRAME_MBAFF(h)) {
2736 798720 sl->mb_y++;
2737
2738 798720 ret = ff_h264_decode_mb_cabac(h, sl);
2739
2740
1/2
✓ Branch 0 taken 798720 times.
✗ Branch 1 not taken.
798720 if (ret >= 0)
2741 798720 ff_h264_hl_decode_mb(h, sl);
2742 798720 sl->mb_y--;
2743 }
2744 8550479 eos = get_cabac_terminate(&sl->cabac);
2745
2746
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8550479 times.
8550479 if ((h->workaround_bugs & FF_BUG_TRUNCATED) &&
2747 sl->cabac.bytestream > sl->cabac.bytestream_end + 2) {
2748 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x - 1,
2749 sl->mb_y, ER_MB_END);
2750 if (sl->mb_x >= lf_x_start)
2751 loop_filter(h, sl, lf_x_start, sl->mb_x + 1);
2752 goto finish;
2753 }
2754
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 8550478 times.
8550479 if (sl->cabac.bytestream > sl->cabac.bytestream_end + 2 )
2755 1 av_log(h->avctx, AV_LOG_DEBUG, "bytestream overread %"PTRDIFF_SPECIFIER"\n", sl->cabac.bytestream_end - sl->cabac.bytestream);
2756
4/4
✓ Branch 0 taken 8550478 times.
✓ Branch 1 taken 1 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 8550477 times.
8550479 if (ret < 0 || sl->cabac.bytestream > sl->cabac.bytestream_end + 4) {
2757 2 av_log(h->avctx, AV_LOG_ERROR,
2758 "error while decoding MB %d %d, bytestream %"PTRDIFF_SPECIFIER"\n",
2759 sl->mb_x, sl->mb_y,
2760 2 sl->cabac.bytestream_end - sl->cabac.bytestream);
2761 2 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2762 sl->mb_y, ER_MB_ERROR);
2763 2 return AVERROR_INVALIDDATA;
2764 }
2765
2766
2/2
✓ Branch 0 taken 209108 times.
✓ Branch 1 taken 8341369 times.
8550477 if (++sl->mb_x >= h->mb_width) {
2767 209108 loop_filter(h, sl, lf_x_start, sl->mb_x);
2768 209108 sl->mb_x = lf_x_start = 0;
2769 209108 decode_finish_row(h, sl);
2770 209108 ++sl->mb_y;
2771
4/4
✓ Branch 0 taken 189414 times.
✓ Branch 1 taken 19694 times.
✓ Branch 2 taken 57134 times.
✓ Branch 3 taken 132280 times.
209108 if (FIELD_OR_MBAFF_PICTURE(h)) {
2772 76828 ++sl->mb_y;
2773
4/4
✓ Branch 0 taken 19694 times.
✓ Branch 1 taken 57134 times.
✓ Branch 2 taken 17906 times.
✓ Branch 3 taken 1788 times.
76828 if (FRAME_MBAFF(h) && sl->mb_y < h->mb_height)
2774 17906 predict_field_decoding_flag(h, sl);
2775 }
2776 }
2777
2778
3/4
✓ Branch 0 taken 8532186 times.
✓ Branch 1 taken 18291 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 8532186 times.
8550477 if (eos || sl->mb_y >= h->mb_height) {
2779 ff_tlog(h->avctx, "slice end %d %d\n",
2780 get_bits_count(&sl->gb), sl->gb.size_in_bits);
2781 18291 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x - 1,
2782 sl->mb_y, ER_MB_END);
2783
2/2
✓ Branch 0 taken 1382 times.
✓ Branch 1 taken 16909 times.
18291 if (sl->mb_x > lf_x_start)
2784 1382 loop_filter(h, sl, lf_x_start, sl->mb_x);
2785 18291 goto finish;
2786 }
2787 }
2788 } else {
2789 4076548 for (;;) {
2790 int ret;
2791
2792
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4092471 times.
4092471 if (sl->mb_x + sl->mb_y * h->mb_width >= sl->next_slice_idx) {
2793 av_log(h->avctx, AV_LOG_ERROR, "Slice overlaps with next at %d\n",
2794 sl->next_slice_idx);
2795 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2796 sl->mb_y, ER_MB_ERROR);
2797 return AVERROR_INVALIDDATA;
2798 }
2799
2800 4092471 ret = ff_h264_decode_mb_cavlc(h, sl);
2801
2802
1/2
✓ Branch 0 taken 4092471 times.
✗ Branch 1 not taken.
4092471 if (ret >= 0)
2803 4092471 ff_h264_hl_decode_mb(h, sl);
2804
2805 // FIXME optimal? or let mb_decode decode 16x32 ?
2806
3/4
✓ Branch 0 taken 4092471 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 254472 times.
✓ Branch 3 taken 3837999 times.
4092471 if (ret >= 0 && FRAME_MBAFF(h)) {
2807 254472 sl->mb_y++;
2808 254472 ret = ff_h264_decode_mb_cavlc(h, sl);
2809
2810
1/2
✓ Branch 0 taken 254472 times.
✗ Branch 1 not taken.
254472 if (ret >= 0)
2811 254472 ff_h264_hl_decode_mb(h, sl);
2812 254472 sl->mb_y--;
2813 }
2814
2815
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4092471 times.
4092471 if (ret < 0) {
2816 av_log(h->avctx, AV_LOG_ERROR,
2817 "error while decoding MB %d %d\n", sl->mb_x, sl->mb_y);
2818 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2819 sl->mb_y, ER_MB_ERROR);
2820 return ret;
2821 }
2822
2823
2/2
✓ Branch 0 taken 152629 times.
✓ Branch 1 taken 3939842 times.
4092471 if (++sl->mb_x >= h->mb_width) {
2824 152629 loop_filter(h, sl, lf_x_start, sl->mb_x);
2825 152629 sl->mb_x = lf_x_start = 0;
2826 152629 decode_finish_row(h, sl);
2827 152629 ++sl->mb_y;
2828
4/4
✓ Branch 0 taken 147152 times.
✓ Branch 1 taken 5477 times.
✓ Branch 2 taken 26666 times.
✓ Branch 3 taken 120486 times.
152629 if (FIELD_OR_MBAFF_PICTURE(h)) {
2829 32143 ++sl->mb_y;
2830
4/4
✓ Branch 0 taken 5477 times.
✓ Branch 1 taken 26666 times.
✓ Branch 2 taken 4978 times.
✓ Branch 3 taken 499 times.
32143 if (FRAME_MBAFF(h) && sl->mb_y < h->mb_height)
2831 4978 predict_field_decoding_flag(h, sl);
2832 }
2833
2/2
✓ Branch 0 taken 12346 times.
✓ Branch 1 taken 140283 times.
152629 if (sl->mb_y >= h->mb_height) {
2834 ff_tlog(h->avctx, "slice end %d %d\n",
2835 get_bits_count(&sl->gb), sl->gb.size_in_bits);
2836
2837
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 12346 times.
12346 if ( get_bits_left(&sl->gb) == 0
2838 || get_bits_left(&sl->gb) > 0 && !(h->avctx->err_recognition & AV_EF_AGGRESSIVE)) {
2839 12346 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
2840 12346 sl->mb_x - 1, sl->mb_y, ER_MB_END);
2841
2842 12346 goto finish;
2843 } else {
2844 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
2845 sl->mb_x, sl->mb_y, ER_MB_END);
2846
2847 return AVERROR_INVALIDDATA;
2848 }
2849 }
2850 }
2851
2852
4/4
✓ Branch 1 taken 161827 times.
✓ Branch 2 taken 3918298 times.
✓ Branch 3 taken 3577 times.
✓ Branch 4 taken 158250 times.
4080125 if (get_bits_left(&sl->gb) <= 0 && sl->mb_skip_run <= 0) {
2853 ff_tlog(h->avctx, "slice end %d %d\n",
2854 get_bits_count(&sl->gb), sl->gb.size_in_bits);
2855
2856
1/2
✓ Branch 1 taken 3577 times.
✗ Branch 2 not taken.
3577 if (get_bits_left(&sl->gb) == 0) {
2857 3577 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
2858 3577 sl->mb_x - 1, sl->mb_y, ER_MB_END);
2859
2/2
✓ Branch 0 taken 2713 times.
✓ Branch 1 taken 864 times.
3577 if (sl->mb_x > lf_x_start)
2860 2713 loop_filter(h, sl, lf_x_start, sl->mb_x);
2861
2862 3577 goto finish;
2863 } else {
2864 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2865 sl->mb_y, ER_MB_ERROR);
2866
2867 return AVERROR_INVALIDDATA;
2868 }
2869 }
2870 }
2871 }
2872
2873 34214 finish:
2874 34214 sl->deblocking_filter = orig_deblock;
2875 34214 return 0;
2876 }
2877
2878 /**
2879 * Call decode_slice() for each context.
2880 *
2881 * @param h h264 master context
2882 */
2883 60505 int ff_h264_execute_decode_slices(H264Context *h)
2884 {
2885 60505 AVCodecContext *const avctx = h->avctx;
2886 H264SliceContext *sl;
2887 60505 int context_count = h->nb_slice_ctx_queued;
2888 60505 int ret = 0;
2889 int i, j;
2890
2891 60505 h->slice_ctx[0].next_slice_idx = INT_MAX;
2892
2893
3/4
✓ Branch 0 taken 60505 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 26739 times.
✓ Branch 3 taken 33766 times.
60505 if (h->avctx->hwaccel || context_count < 1)
2894 26739 return 0;
2895
2896
2/4
✓ Branch 0 taken 33766 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 33766 times.
33766 av_assert0(context_count && h->slice_ctx[context_count - 1].mb_y < h->mb_height);
2897
2898
2/2
✓ Branch 0 taken 33316 times.
✓ Branch 1 taken 450 times.
33766 if (context_count == 1) {
2899
2900 33316 h->slice_ctx[0].next_slice_idx = h->mb_width * h->mb_height;
2901 33316 h->postpone_filter = 0;
2902
2903 33316 ret = decode_slice(avctx, &h->slice_ctx[0]);
2904 33316 h->mb_y = h->slice_ctx[0].mb_y;
2905
2/2
✓ Branch 0 taken 2 times.
✓ Branch 1 taken 33314 times.
33316 if (ret < 0)
2906 2 goto finish;
2907 } else {
2908
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 450 times.
450 av_assert0(context_count > 0);
2909
2/2
✓ Branch 0 taken 900 times.
✓ Branch 1 taken 450 times.
1350 for (i = 0; i < context_count; i++) {
2910 900 int next_slice_idx = h->mb_width * h->mb_height;
2911 int slice_idx;
2912
2913 900 sl = &h->slice_ctx[i];
2914 if (CONFIG_ERROR_RESILIENCE) {
2915 900 sl->er.error_count = 0;
2916 }
2917
2918 /* make sure none of those slices overlap */
2919 900 slice_idx = sl->mb_y * h->mb_width + sl->mb_x;
2920
2/2
✓ Branch 0 taken 1800 times.
✓ Branch 1 taken 900 times.
2700 for (j = 0; j < context_count; j++) {
2921 1800 H264SliceContext *sl2 = &h->slice_ctx[j];
2922 1800 int slice_idx2 = sl2->mb_y * h->mb_width + sl2->mb_x;
2923
2924
4/4
✓ Branch 0 taken 900 times.
✓ Branch 1 taken 900 times.
✓ Branch 2 taken 450 times.
✓ Branch 3 taken 450 times.
1800 if (i == j || slice_idx2 < slice_idx)
2925 1350 continue;
2926 450 next_slice_idx = FFMIN(next_slice_idx, slice_idx2);
2927 }
2928 900 sl->next_slice_idx = next_slice_idx;
2929 }
2930
2931 450 avctx->execute(avctx, decode_slice, h->slice_ctx,
2932 NULL, context_count, sizeof(h->slice_ctx[0]));
2933
2934 /* pull back stuff from slices to master context */
2935 450 sl = &h->slice_ctx[context_count - 1];
2936 450 h->mb_y = sl->mb_y;
2937 if (CONFIG_ERROR_RESILIENCE) {
2938
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900 for (i = 1; i < context_count; i++)
2939 450 h->slice_ctx[0].er.error_count += h->slice_ctx[i].er.error_count;
2940 }
2941
2942
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450 if (h->postpone_filter) {
2943 h->postpone_filter = 0;
2944
2945 for (i = 0; i < context_count; i++) {
2946 int y_end, x_end;
2947
2948 sl = &h->slice_ctx[i];
2949 y_end = FFMIN(sl->mb_y + 1, h->mb_height);
2950 x_end = (sl->mb_y >= h->mb_height) ? h->mb_width : sl->mb_x;
2951
2952 for (j = sl->resync_mb_y; j < y_end; j += 1 + FIELD_OR_MBAFF_PICTURE(h)) {
2953 sl->mb_y = j;
2954 loop_filter(h, sl, j > sl->resync_mb_y ? 0 : sl->resync_mb_x,
2955 j == y_end - 1 ? x_end : h->mb_width);
2956 }
2957 }
2958 }
2959 }
2960
2961 450 finish:
2962 33766 h->nb_slice_ctx_queued = 0;
2963 33766 return ret;
2964 }
2965