FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/h264_slice.c
Date: 2022-01-21 12:56:39
Exec Total Coverage
Lines: 1389 1785 77.8%
Branches: 922 1323 69.7%

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 26882 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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994634 for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
122
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967752 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 21507 ff_h264_unref_picture(h, &h->DPB[i]);
125 }
126 }
127 26882 }
128
129 34294 static int alloc_scratch_buffers(H264SliceContext *sl, int linesize)
130 {
131 34294 const H264Context *h = sl->h264;
132 34294 int alloc_size = FFALIGN(FFABS(linesize) + 32, 32);
133
134 34294 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 34294 av_fast_malloc(&sl->edge_emu_buffer, &sl->edge_emu_buffer_allocated, alloc_size * 2 * 21);
138
139 34294 av_fast_mallocz(&sl->top_borders[0], &sl->top_borders_allocated[0],
140 34294 h->mb_width * 16 * 3 * sizeof(uint8_t) * 2);
141 34294 av_fast_mallocz(&sl->top_borders[1], &sl->top_borders_allocated[1],
142 34294 h->mb_width * 16 * 3 * sizeof(uint8_t) * 2);
143
144
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34294 if (!sl->bipred_scratchpad || !sl->edge_emu_buffer ||
145
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34294 !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 34294 return 0;
159 }
160
161 548 static int init_table_pools(H264Context *h)
162 {
163 548 const int big_mb_num = h->mb_stride * (h->mb_height + 1) + 1;
164 548 const int mb_array_size = h->mb_stride * h->mb_height;
165 548 const int b4_stride = h->mb_width * 4 + 1;
166 548 const int b4_array_size = b4_stride * h->mb_height * 4;
167
168 548 h->qscale_table_pool = av_buffer_pool_init(big_mb_num + h->mb_stride,
169 av_buffer_allocz);
170 548 h->mb_type_pool = av_buffer_pool_init((big_mb_num + h->mb_stride) *
171 sizeof(uint32_t), av_buffer_allocz);
172 548 h->motion_val_pool = av_buffer_pool_init(2 * (b4_array_size + 4) *
173 sizeof(int16_t), av_buffer_allocz);
174 548 h->ref_index_pool = av_buffer_pool_init(4 * mb_array_size, av_buffer_allocz);
175
176
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548 if (!h->qscale_table_pool || !h->mb_type_pool || !h->motion_val_pool ||
177
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548 !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
185 548 return 0;
186 }
187
188 23550 static int alloc_picture(H264Context *h, H264Picture *pic)
189 {
190 23550 int i, ret = 0;
191
192
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23550 av_assert0(!pic->f->data[0]);
193
194 23550 pic->tf.f = pic->f;
195 23550 ret = ff_thread_get_buffer(h->avctx, &pic->tf, pic->reference ?
196 AV_GET_BUFFER_FLAG_REF : 0);
197
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23550 if (ret < 0)
198 goto fail;
199
200
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23550 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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23550 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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23550 if (!h->qscale_table_pool) {
234 548 ret = init_table_pools(h);
235
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548 if (ret < 0)
236 goto fail;
237 }
238
239 23550 pic->qscale_table_buf = av_buffer_pool_get(h->qscale_table_pool);
240 23550 pic->mb_type_buf = av_buffer_pool_get(h->mb_type_pool);
241
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23550 if (!pic->qscale_table_buf || !pic->mb_type_buf)
242 goto fail;
243
244 23550 pic->mb_type = (uint32_t*)pic->mb_type_buf->data + 2 * h->mb_stride + 1;
245 23550 pic->qscale_table = pic->qscale_table_buf->data + 2 * h->mb_stride + 1;
246
247
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70650 for (i = 0; i < 2; i++) {
248 47100 pic->motion_val_buf[i] = av_buffer_pool_get(h->motion_val_pool);
249 47100 pic->ref_index_buf[i] = av_buffer_pool_get(h->ref_index_pool);
250
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47100 if (!pic->motion_val_buf[i] || !pic->ref_index_buf[i])
251 goto fail;
252
253 47100 pic->motion_val[i] = (int16_t (*)[2])pic->motion_val_buf[i]->data + 4;
254 47100 pic->ref_index[i] = pic->ref_index_buf[i]->data;
255 }
256
257 23550 pic->pps_buf = av_buffer_ref(h->ps.pps_ref);
258
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23550 if (!pic->pps_buf)
259 goto fail;
260 23550 pic->pps = (const PPS*)pic->pps_buf->data;
261
262 23550 pic->mb_width = h->mb_width;
263 23550 pic->mb_height = h->mb_height;
264 23550 pic->mb_stride = h->mb_stride;
265
266 23550 return 0;
267 fail:
268 ff_h264_unref_picture(h, pic);
269 return (ret < 0) ? ret : AVERROR(ENOMEM);
270 }
271
272 23550 static int find_unused_picture(H264Context *h)
273 {
274 int i;
275
276
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82512 for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
277
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82512 if (!h->DPB[i].f->buf[0])
278 23550 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 23550 static int h264_frame_start(H264Context *h)
488 {
489 H264Picture *pic;
490 int i, ret;
491 23550 const int pixel_shift = h->pixel_shift;
492
493
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23550 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 23550 release_unused_pictures(h, 1);
499 23550 h->cur_pic_ptr = NULL;
500
501 23550 i = find_unused_picture(h);
502
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23550 if (i < 0) {
503 av_log(h->avctx, AV_LOG_ERROR, "no frame buffer available\n");
504 return i;
505 }
506 23550 pic = &h->DPB[i];
507
508
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23550 pic->reference = h->droppable ? 0 : h->picture_structure;
509 23550 pic->f->coded_picture_number = h->coded_picture_number++;
510 23550 pic->field_picture = h->picture_structure != PICT_FRAME;
511 23550 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 23550 pic->f->key_frame = 0;
518 23550 pic->mmco_reset = 0;
519 23550 pic->recovered = 0;
520 23550 pic->invalid_gap = 0;
521 23550 pic->sei_recovery_frame_cnt = h->sei.recovery_point.recovery_frame_cnt;
522
523 23550 pic->f->pict_type = h->slice_ctx[0].slice_type;
524
525 23550 pic->f->crop_left = h->crop_left;
526 23550 pic->f->crop_right = h->crop_right;
527 23550 pic->f->crop_top = h->crop_top;
528 23550 pic->f->crop_bottom = h->crop_bottom;
529
530
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23550 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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23550 if ((ret = alloc_picture(h, pic)) < 0)
534 return ret;
535
536 23550 h->cur_pic_ptr = pic;
537 23550 ff_h264_unref_picture(h, &h->cur_pic);
538 if (CONFIG_ERROR_RESILIENCE) {
539 23550 ff_h264_set_erpic(&h->slice_ctx[0].er.cur_pic, NULL);
540 }
541
542
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23550 if ((ret = ff_h264_ref_picture(h, &h->cur_pic, h->cur_pic_ptr)) < 0)
543 return ret;
544
545
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47400 for (i = 0; i < h->nb_slice_ctx; i++) {
546 23850 h->slice_ctx[i].linesize = h->cur_pic_ptr->f->linesize[0];
547 23850 h->slice_ctx[i].uvlinesize = h->cur_pic_ptr->f->linesize[1];
548 }
549
550
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23550 if (CONFIG_ERROR_RESILIENCE && h->enable_er) {
551 23250 ff_er_frame_start(&h->slice_ctx[0].er);
552 23250 ff_h264_set_erpic(&h->slice_ctx[0].er.last_pic, NULL);
553 23250 ff_h264_set_erpic(&h->slice_ctx[0].er.next_pic, NULL);
554 }
555
556
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400350 for (i = 0; i < 16; i++) {
557 376800 h->block_offset[i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3);
558 376800 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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400350 for (i = 0; i < 16; i++) {
561 376800 h->block_offset[16 + i] =
562 376800 h->block_offset[32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3);
563 376800 h->block_offset[48 + 16 + i] =
564 376800 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 23550 h->cur_pic_ptr->reference = 0;
572
573 23550 h->cur_pic_ptr->field_poc[0] = h->cur_pic_ptr->field_poc[1] = INT_MAX;
574
575 23550 h->next_output_pic = NULL;
576
577 23550 h->postpone_filter = 0;
578
579
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23550 h->mb_aff_frame = h->ps.sps->mb_aff && (h->picture_structure == PICT_FRAME);
580
581
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23550 if (h->sei.unregistered.x264_build >= 0)
582 1907 h->x264_build = h->sei.unregistered.x264_build;
583
584 assert(h->cur_pic_ptr->long_ref == 0);
585
586 23550 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 */
755 548 static void init_scan_tables(H264Context *h)
756 {
757 int i;
758
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9316 for (i = 0; i < 16; i++) {
759 #define TRANSPOSE(x) ((x) >> 2) | (((x) << 2) & 0xF)
760 8768 h->zigzag_scan[i] = TRANSPOSE(ff_zigzag_scan[i]);
761 8768 h->field_scan[i] = TRANSPOSE(field_scan[i]);
762 #undef TRANSPOSE
763 }
764
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35620 for (i = 0; i < 64; i++) {
765 #define TRANSPOSE(x) ((x) >> 3) | (((x) & 7) << 3)
766 35072 h->zigzag_scan8x8[i] = TRANSPOSE(ff_zigzag_direct[i]);
767 35072 h->zigzag_scan8x8_cavlc[i] = TRANSPOSE(zigzag_scan8x8_cavlc[i]);
768 35072 h->field_scan8x8[i] = TRANSPOSE(field_scan8x8[i]);
769 35072 h->field_scan8x8_cavlc[i] = TRANSPOSE(field_scan8x8_cavlc[i]);
770 #undef TRANSPOSE
771 }
772
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548 if (h->ps.sps->transform_bypass) { // FIXME same ugly
773 14 memcpy(h->zigzag_scan_q0 , ff_zigzag_scan , sizeof(h->zigzag_scan_q0 ));
774 14 memcpy(h->zigzag_scan8x8_q0 , ff_zigzag_direct , sizeof(h->zigzag_scan8x8_q0 ));
775 14 memcpy(h->zigzag_scan8x8_cavlc_q0 , zigzag_scan8x8_cavlc , sizeof(h->zigzag_scan8x8_cavlc_q0));
776 14 memcpy(h->field_scan_q0 , field_scan , sizeof(h->field_scan_q0 ));
777 14 memcpy(h->field_scan8x8_q0 , field_scan8x8 , sizeof(h->field_scan8x8_q0 ));
778 14 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 }
787 548 }
788
789 26432 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 26432 enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmt = pix_fmts;
798 26432 const enum AVPixelFormat *choices = pix_fmts;
799 int i;
800
801
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26432 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 #if CONFIG_H264_VIDEOTOOLBOX_HWACCEL
815 if (h->avctx->colorspace != AVCOL_SPC_RGB)
816 *fmt++ = AV_PIX_FMT_VIDEOTOOLBOX;
817 #endif
818
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355 if (CHROMA444(h)) {
819
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51 if (h->avctx->colorspace == AVCOL_SPC_RGB) {
820 *fmt++ = AV_PIX_FMT_GBRP10;
821 } else
822 51 *fmt++ = AV_PIX_FMT_YUV444P10;
823
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304 } else if (CHROMA422(h))
824 164 *fmt++ = AV_PIX_FMT_YUV422P10;
825 else
826 140 *fmt++ = AV_PIX_FMT_YUV420P10;
827 355 break;
828 case 12:
829 if (CHROMA444(h)) {
830 if (h->avctx->colorspace == AVCOL_SPC_RGB) {
831 *fmt++ = AV_PIX_FMT_GBRP12;
832 } else
833 *fmt++ = AV_PIX_FMT_YUV444P12;
834 } else if (CHROMA422(h))
835 *fmt++ = AV_PIX_FMT_YUV422P12;
836 else
837 *fmt++ = AV_PIX_FMT_YUV420P12;
838 break;
839 case 14:
840 if (CHROMA444(h)) {
841 if (h->avctx->colorspace == AVCOL_SPC_RGB) {
842 *fmt++ = AV_PIX_FMT_GBRP14;
843 } else
844 *fmt++ = AV_PIX_FMT_YUV444P14;
845 } else if (CHROMA422(h))
846 *fmt++ = AV_PIX_FMT_YUV422P14;
847 else
848 *fmt++ = AV_PIX_FMT_YUV420P14;
849 break;
850 25922 case 8:
851 #if CONFIG_H264_VDPAU_HWACCEL
852 25922 *fmt++ = AV_PIX_FMT_VDPAU;
853 #endif
854 #if CONFIG_H264_NVDEC_HWACCEL
855 *fmt++ = AV_PIX_FMT_CUDA;
856 #endif
857 #if CONFIG_H264_VIDEOTOOLBOX_HWACCEL
858 if (h->avctx->colorspace != AVCOL_SPC_RGB)
859 *fmt++ = AV_PIX_FMT_VIDEOTOOLBOX;
860 #endif
861
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25922 if (CHROMA444(h)) {
862
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484 if (h->avctx->colorspace == AVCOL_SPC_RGB)
863 *fmt++ = AV_PIX_FMT_GBRP;
864
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484 else if (h->avctx->color_range == AVCOL_RANGE_JPEG)
865 2 *fmt++ = AV_PIX_FMT_YUVJ444P;
866 else
867 482 *fmt++ = AV_PIX_FMT_YUV444P;
868
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25438 } else if (CHROMA422(h)) {
869
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22 if (h->avctx->color_range == AVCOL_RANGE_JPEG)
870 *fmt++ = AV_PIX_FMT_YUVJ422P;
871 else
872 22 *fmt++ = AV_PIX_FMT_YUV422P;
873 } else {
874 #if CONFIG_H264_DXVA2_HWACCEL
875 *fmt++ = AV_PIX_FMT_DXVA2_VLD;
876 #endif
877 #if CONFIG_H264_D3D11VA_HWACCEL
878 *fmt++ = AV_PIX_FMT_D3D11VA_VLD;
879 *fmt++ = AV_PIX_FMT_D3D11;
880 #endif
881 #if CONFIG_H264_VAAPI_HWACCEL
882 25416 *fmt++ = AV_PIX_FMT_VAAPI;
883 #endif
884
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25416 if (h->avctx->codec->pix_fmts)
885 choices = h->avctx->codec->pix_fmts;
886
2/2
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25416 else if (h->avctx->color_range == AVCOL_RANGE_JPEG)
887 3 *fmt++ = AV_PIX_FMT_YUVJ420P;
888 else
889 25413 *fmt++ = AV_PIX_FMT_YUV420P;
890 }
891 25922 break;
892 default:
893 av_log(h->avctx, AV_LOG_ERROR,
894 "Unsupported bit depth %d\n", h->ps.sps->bit_depth_luma);
895 return AVERROR_INVALIDDATA;
896 }
897
898 26432 *fmt = AV_PIX_FMT_NONE;
899
900
2/2
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78313 for (i=0; choices[i] != AV_PIX_FMT_NONE; i++)
901
4/4
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77770 if (choices[i] == h->avctx->pix_fmt && !force_callback)
902 25889 return choices[i];
903 543 return ff_thread_get_format(h->avctx, choices);
904 }
905
906 /* export coded and cropped frame dimensions to AVCodecContext */
907 26189 static void init_dimensions(H264Context *h)
908 {
909 26189 const SPS *sps = (const SPS*)h->ps.sps;
910 26189 int cr = sps->crop_right;
911 26189 int cl = sps->crop_left;
912 26189 int ct = sps->crop_top;
913 26189 int cb = sps->crop_bottom;
914 26189 int width = h->width - (cr + cl);
915 26189 int height = h->height - (ct + cb);
916
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26189 av_assert0(sps->crop_right + sps->crop_left < (unsigned)h->width);
917
1/2
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26189 av_assert0(sps->crop_top + sps->crop_bottom < (unsigned)h->height);
918
919 /* handle container cropping */
920
3/4
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26189 if (h->width_from_caller > 0 && h->height_from_caller > 0 &&
921
3/4
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23970 !sps->crop_top && !sps->crop_left &&
922
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✓ Branch 1 taken 5 times.
23969 FFALIGN(h->width_from_caller, 16) == FFALIGN(width, 16) &&
923
1/2
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23964 FFALIGN(h->height_from_caller, 16) == FFALIGN(height, 16) &&
924
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23964 h->width_from_caller <= width &&
925
2/2
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23964 h->height_from_caller <= height) {
926 23963 width = h->width_from_caller;
927 23963 height = h->height_from_caller;
928 23963 cl = 0;
929 23963 ct = 0;
930 23963 cr = h->width - width;
931 23963 cb = h->height - height;
932 } else {
933 2226 h->width_from_caller = 0;
934 2226 h->height_from_caller = 0;
935 }
936
937 26189 h->avctx->coded_width = h->width;
938 26189 h->avctx->coded_height = h->height;
939 26189 h->avctx->width = width;
940 26189 h->avctx->height = height;
941 26189 h->crop_right = cr;
942 26189 h->crop_left = cl;
943 26189 h->crop_top = ct;
944 26189 h->crop_bottom = cb;
945 26189 }
946
947 548 static int h264_slice_header_init(H264Context *h)
948 {
949 548 const SPS *sps = h->ps.sps;
950 int i, ret;
951
952
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✓ Branch 1 taken 548 times.
548 if (!sps) {
953 ret = AVERROR_INVALIDDATA;
954 goto fail;
955 }
956
957 548 ff_set_sar(h->avctx, sps->sar);
958 548 av_pix_fmt_get_chroma_sub_sample(h->avctx->pix_fmt,
959 &h->chroma_x_shift, &h->chroma_y_shift);
960
961
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548 if (sps->timing_info_present_flag) {
962 145 int64_t den = sps->time_scale;
963
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145 if (h->x264_build < 44U)
964 den *= 2;
965 145 av_reduce(&h->avctx->framerate.den, &h->avctx->framerate.num,
966 145 sps->num_units_in_tick * h->avctx->ticks_per_frame, den, 1 << 30);
967 }
968
969 548 ff_h264_free_tables(h);
970
971 548 h->first_field = 0;
972 548 h->prev_interlaced_frame = 1;
973
974 548 init_scan_tables(h);
975 548 ret = ff_h264_alloc_tables(h);
976
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548 if (ret < 0) {
977 av_log(h->avctx, AV_LOG_ERROR, "Could not allocate memory\n");
978 goto fail;
979 }
980
981
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548 if (sps->bit_depth_luma < 8 || sps->bit_depth_luma > 14 ||
982
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548 sps->bit_depth_luma == 11 || sps->bit_depth_luma == 13
983 ) {
984 av_log(h->avctx, AV_LOG_ERROR, "Unsupported bit depth %d\n",
985 sps->bit_depth_luma);
986 ret = AVERROR_INVALIDDATA;
987 goto fail;
988 }
989
990 548 h->cur_bit_depth_luma =
991 548 h->avctx->bits_per_raw_sample = sps->bit_depth_luma;
992 548 h->cur_chroma_format_idc = sps->chroma_format_idc;
993 548 h->pixel_shift = sps->bit_depth_luma > 8;
994 548 h->chroma_format_idc = sps->chroma_format_idc;
995 548 h->bit_depth_luma = sps->bit_depth_luma;
996
997 548 ff_h264dsp_init(&h->h264dsp, sps->bit_depth_luma,
998 548 sps->chroma_format_idc);
999 548 ff_h264chroma_init(&h->h264chroma, sps->bit_depth_chroma);
1000 548 ff_h264qpel_init(&h->h264qpel, sps->bit_depth_luma);
1001 548 ff_h264_pred_init(&h->hpc, AV_CODEC_ID_H264, sps->bit_depth_luma,
1002 548 sps->chroma_format_idc);
1003 548 ff_videodsp_init(&h->vdsp, sps->bit_depth_luma);
1004
1005
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548 if (!HAVE_THREADS || !(h->avctx->active_thread_type & FF_THREAD_SLICE)) {
1006 547 ret = ff_h264_slice_context_init(h, &h->slice_ctx[0]);
1007
1/2
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547 if (ret < 0) {
1008 av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n");
1009 goto fail;
1010 }
1011 } else {
1012
2/2
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3 for (i = 0; i < h->nb_slice_ctx; i++) {
1013 2 H264SliceContext *sl = &h->slice_ctx[i];
1014
1015 2 sl->h264 = h;
1016 2 sl->intra4x4_pred_mode = h->intra4x4_pred_mode + i * 8 * 2 * h->mb_stride;
1017 2 sl->mvd_table[0] = h->mvd_table[0] + i * 8 * 2 * h->mb_stride;
1018 2 sl->mvd_table[1] = h->mvd_table[1] + i * 8 * 2 * h->mb_stride;
1019
1020
1/2
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2 if ((ret = ff_h264_slice_context_init(h, sl)) < 0) {
1021 av_log(h->avctx, AV_LOG_ERROR, "context_init() failed.\n");
1022 goto fail;
1023 }
1024 }
1025 }
1026
1027 548 h->context_initialized = 1;
1028
1029 548 return 0;
1030 fail:
1031 ff_h264_free_tables(h);
1032 h->context_initialized = 0;
1033 return ret;
1034 }
1035
1036 51784 static enum AVPixelFormat non_j_pixfmt(enum AVPixelFormat a)
1037 {
1038
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✓ Branch 3 taken 51782 times.
51784 switch (a) {
1039 2 case AV_PIX_FMT_YUVJ420P: return AV_PIX_FMT_YUV420P;
1040 case AV_PIX_FMT_YUVJ422P: return AV_PIX_FMT_YUV422P;
1041 case AV_PIX_FMT_YUVJ444P: return AV_PIX_FMT_YUV444P;
1042 51782 default:
1043 51782 return a;
1044 }
1045 }
1046
1047 26189 static int h264_init_ps(H264Context *h, const H264SliceContext *sl, int first_slice)
1048 {
1049 const SPS *sps;
1050 26189 int needs_reinit = 0, must_reinit, ret;
1051
1052
2/2
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26189 if (first_slice) {
1053 25996 av_buffer_unref(&h->ps.pps_ref);
1054 25996 h->ps.pps = NULL;
1055 25996 h->ps.pps_ref = av_buffer_ref(h->ps.pps_list[sl->pps_id]);
1056
1/2
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✓ Branch 1 taken 25996 times.
25996 if (!h->ps.pps_ref)
1057 return AVERROR(ENOMEM);
1058 25996 h->ps.pps = (const PPS*)h->ps.pps_ref->data;
1059 }
1060
1061
2/2
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26189 if (h->ps.sps != h->ps.pps->sps) {
1062 544 h->ps.sps = (const SPS*)h->ps.pps->sps;
1063
1064
2/2
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544 if (h->mb_width != h->ps.sps->mb_width ||
1065
1/2
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✗ Branch 1 not taken.
6 h->mb_height != h->ps.sps->mb_height ||
1066
2/2
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6 h->cur_bit_depth_luma != h->ps.sps->bit_depth_luma ||
1067
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5 h->cur_chroma_format_idc != h->ps.sps->chroma_format_idc
1068 )
1069 540 needs_reinit = 1;
1070
1071
2/2
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✓ Branch 1 taken 536 times.
544 if (h->bit_depth_luma != h->ps.sps->bit_depth_luma ||
1072
2/2
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✓ Branch 1 taken 7 times.
8 h->chroma_format_idc != h->ps.sps->chroma_format_idc)
1073 537 needs_reinit = 1;
1074 }
1075 26189 sps = h->ps.sps;
1076
1077
2/2
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✓ Branch 1 taken 534 times.
51844 must_reinit = (h->context_initialized &&
1078
2/2
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✓ Branch 1 taken 4 times.
25655 ( 16*sps->mb_width != h->avctx->coded_width
1079
1/2
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✗ Branch 1 not taken.
25651 || 16*sps->mb_height != h->avctx->coded_height
1080
2/2
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✓ Branch 1 taken 1 times.
25651 || h->cur_bit_depth_luma != sps->bit_depth_luma
1081
2/2
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✓ Branch 1 taken 1 times.
25650 || h->cur_chroma_format_idc != sps->chroma_format_idc
1082
1/2
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✗ Branch 1 not taken.
25649 || h->mb_width != sps->mb_width
1083
1/2
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✓ Branch 1 taken 25649 times.
25649 || h->mb_height != sps->mb_height
1084 ));
1085
2/2
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✓ Branch 1 taken 297 times.
26189 if (h->avctx->pix_fmt == AV_PIX_FMT_NONE
1086
2/2
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✓ Branch 4 taken 25889 times.
25892 || (non_j_pixfmt(h->avctx->pix_fmt) != non_j_pixfmt(get_pixel_format(h, 0))))
1087 300 must_reinit = 1;
1088
1089
4/4
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✓ Branch 4 taken 25942 times.
26189 if (first_slice && av_cmp_q(sps->sar, h->avctx->sample_aspect_ratio))
1090 54 must_reinit = 1;
1091
1092
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26189 if (!h->setup_finished) {
1093 26189 h->avctx->profile = ff_h264_get_profile(sps);
1094 26189 h->avctx->level = sps->level_idc;
1095 26189 h->avctx->refs = sps->ref_frame_count;
1096
1097 26189 h->mb_width = sps->mb_width;
1098 26189 h->mb_height = sps->mb_height;
1099 26189 h->mb_num = h->mb_width * h->mb_height;
1100 26189 h->mb_stride = h->mb_width + 1;
1101
1102 26189 h->b_stride = h->mb_width * 4;
1103
1104 26189 h->chroma_y_shift = sps->chroma_format_idc <= 1; // 400 uses yuv420p
1105
1106 26189 h->width = 16 * h->mb_width;
1107 26189 h->height = 16 * h->mb_height;
1108
1109 26189 init_dimensions(h);
1110
1111
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26189 if (sps->video_signal_type_present_flag) {
1112 1736 h->avctx->color_range = sps->full_range > 0 ? AVCOL_RANGE_JPEG
1113
2/2
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✓ Branch 1 taken 866 times.
868 : AVCOL_RANGE_MPEG;
1114
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✓ Branch 1 taken 98 times.
868 if (sps->colour_description_present_flag) {
1115
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770 if (h->avctx->colorspace != sps->colorspace)
1116 14 needs_reinit = 1;
1117 770 h->avctx->color_primaries = sps->color_primaries;
1118 770 h->avctx->color_trc = sps->color_trc;
1119 770 h->avctx->colorspace = sps->colorspace;
1120 }
1121 }
1122
1123
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26189 if (h->sei.alternative_transfer.present &&
1124 av_color_transfer_name(h->sei.alternative_transfer.preferred_transfer_characteristics) &&
1125 h->sei.alternative_transfer.preferred_transfer_characteristics != AVCOL_TRC_UNSPECIFIED) {
1126 h->avctx->color_trc = h->sei.alternative_transfer.preferred_transfer_characteristics;
1127 }
1128 }
1129 26189 h->avctx->chroma_sample_location = sps->chroma_location;
1130
1131
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26189 if (!h->context_initialized || must_reinit || needs_reinit) {
1132 540 int flush_changes = h->context_initialized;
1133 540 h->context_initialized = 0;
1134
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540 if (sl != h->slice_ctx) {
1135 av_log(h->avctx, AV_LOG_ERROR,
1136 "changing width %d -> %d / height %d -> %d on "
1137 "slice %d\n",
1138 h->width, h->avctx->coded_width,
1139 h->height, h->avctx->coded_height,
1140 h->current_slice + 1);
1141 return AVERROR_INVALIDDATA;
1142 }
1143
1144 av_assert1(first_slice);
1145
1146
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540 if (flush_changes)
1147 6 ff_h264_flush_change(h);
1148
1149
1/2
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540 if ((ret = get_pixel_format(h, 1)) < 0)
1150 return ret;
1151 540 h->avctx->pix_fmt = ret;
1152
1153 540 av_log(h->avctx, AV_LOG_VERBOSE, "Reinit context to %dx%d, "
1154 540 "pix_fmt: %s\n", h->width, h->height, av_get_pix_fmt_name(h->avctx->pix_fmt));
1155
1156
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540 if ((ret = h264_slice_header_init(h)) < 0) {
1157 av_log(h->avctx, AV_LOG_ERROR,
1158 "h264_slice_header_init() failed\n");
1159 return ret;
1160 }
1161 }
1162
1163 26189 return 0;
1164 }
1165
1166 22852 static int h264_export_frame_props(H264Context *h)
1167 {
1168 22852 const SPS *sps = h->ps.sps;
1169 22852 H264Picture *cur = h->cur_pic_ptr;
1170 22852 AVFrame *out = cur->f;
1171
1172 22852 out->interlaced_frame = 0;
1173 22852 out->repeat_pict = 0;
1174
1175 /* Signal interlacing information externally. */
1176 /* Prioritize picture timing SEI information over used
1177 * decoding process if it exists. */
1178
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22852 if (h->sei.picture_timing.present) {
1179 1358 int ret = ff_h264_sei_process_picture_timing(&h->sei.picture_timing, sps,
1180 1358 h->avctx);
1181
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1358 if (ret < 0) {
1182 av_log(h->avctx, AV_LOG_ERROR, "Error processing a picture timing SEI\n");
1183 if (h->avctx->err_recognition & AV_EF_EXPLODE)
1184 return ret;
1185 h->sei.picture_timing.present = 0;
1186 }
1187 }
1188
1189
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24202 if (sps->pic_struct_present_flag && h->sei.picture_timing.present) {
1190 1350 H264SEIPictureTiming *pt = &h->sei.picture_timing;
1191
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1350 switch (pt->pic_struct) {
1192 132 case H264_SEI_PIC_STRUCT_FRAME:
1193 132 break;
1194 347 case H264_SEI_PIC_STRUCT_TOP_FIELD:
1195 case H264_SEI_PIC_STRUCT_BOTTOM_FIELD:
1196 347 out->interlaced_frame = 1;
1197 347 break;
1198 704 case H264_SEI_PIC_STRUCT_TOP_BOTTOM:
1199 case H264_SEI_PIC_STRUCT_BOTTOM_TOP:
1200
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704 if (FIELD_OR_MBAFF_PICTURE(h))
1201 700 out->interlaced_frame = 1;
1202 else
1203 // try to flag soft telecine progressive
1204 4 out->interlaced_frame = h->prev_interlaced_frame;
1205 704 break;
1206 167 case H264_SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
1207 case H264_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
1208 /* Signal the possibility of telecined film externally
1209 * (pic_struct 5,6). From these hints, let the applications
1210 * decide if they apply deinterlacing. */
1211 167 out->repeat_pict = 1;
1212 167 break;
1213 case H264_SEI_PIC_STRUCT_FRAME_DOUBLING:
1214 out->repeat_pict = 2;
1215 break;
1216 case H264_SEI_PIC_STRUCT_FRAME_TRIPLING:
1217 out->repeat_pict = 4;
1218 break;
1219 }
1220
1221
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1350 if ((pt->ct_type & 3) &&
1222
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651 pt->pic_struct <= H264_SEI_PIC_STRUCT_BOTTOM_TOP)
1223 487 out->interlaced_frame = (pt->ct_type & (1 << 1)) != 0;
1224 } else {
1225 /* Derive interlacing flag from used decoding process. */
1226
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21502 out->interlaced_frame = FIELD_OR_MBAFF_PICTURE(h);
1227 }
1228 22852 h->prev_interlaced_frame = out->interlaced_frame;
1229
1230
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22852 if (cur->field_poc[0] != cur->field_poc[1]) {
1231 /* Derive top_field_first from field pocs. */
1232 3268 out->top_field_first = cur->field_poc[0] < cur->field_poc[1];
1233 } else {
1234
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19584 if (sps->pic_struct_present_flag && h->sei.picture_timing.present) {
1235 /* Use picture timing SEI information. Even if it is a
1236 * information of a past frame, better than nothing. */
1237
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139 if (h->sei.picture_timing.pic_struct == H264_SEI_PIC_STRUCT_TOP_BOTTOM ||
1238
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138 h->sei.picture_timing.pic_struct == H264_SEI_PIC_STRUCT_TOP_BOTTOM_TOP)
1239 3 out->top_field_first = 1;
1240 else
1241 136 out->top_field_first = 0;
1242
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19445 } else if (out->interlaced_frame) {
1243 /* Default to top field first when pic_struct_present_flag
1244 * is not set but interlaced frame detected */
1245 2554 out->top_field_first = 1;
1246 } else {
1247 /* Most likely progressive */
1248 16891 out->top_field_first = 0;
1249 }
1250 }
1251
1252
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22852 if (h->sei.frame_packing.present &&
1253 h->sei.frame_packing.arrangement_type <= 6 &&
1254 h->sei.frame_packing.content_interpretation_type > 0 &&
1255 h->sei.frame_packing.content_interpretation_type < 3) {
1256 H264SEIFramePacking *fp = &h->sei.frame_packing;
1257 AVStereo3D *stereo = av_stereo3d_create_side_data(out);
1258 if (stereo) {
1259 switch (fp->arrangement_type) {
1260 case H264_SEI_FPA_TYPE_CHECKERBOARD:
1261 stereo->type = AV_STEREO3D_CHECKERBOARD;
1262 break;
1263 case H264_SEI_FPA_TYPE_INTERLEAVE_COLUMN:
1264 stereo->type = AV_STEREO3D_COLUMNS;
1265 break;
1266 case H264_SEI_FPA_TYPE_INTERLEAVE_ROW:
1267 stereo->type = AV_STEREO3D_LINES;
1268 break;
1269 case H264_SEI_FPA_TYPE_SIDE_BY_SIDE:
1270 if (fp->quincunx_sampling_flag)
1271 stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX;
1272 else
1273 stereo->type = AV_STEREO3D_SIDEBYSIDE;
1274 break;
1275 case H264_SEI_FPA_TYPE_TOP_BOTTOM:
1276 stereo->type = AV_STEREO3D_TOPBOTTOM;
1277 break;
1278 case H264_SEI_FPA_TYPE_INTERLEAVE_TEMPORAL:
1279 stereo->type = AV_STEREO3D_FRAMESEQUENCE;
1280 break;
1281 case H264_SEI_FPA_TYPE_2D:
1282 stereo->type = AV_STEREO3D_2D;
1283 break;
1284 }
1285
1286 if (fp->content_interpretation_type == 2)
1287 stereo->flags = AV_STEREO3D_FLAG_INVERT;
1288
1289 if (fp->arrangement_type == H264_SEI_FPA_TYPE_INTERLEAVE_TEMPORAL) {
1290 if (fp->current_frame_is_frame0_flag)
1291 stereo->view = AV_STEREO3D_VIEW_LEFT;
1292 else
1293 stereo->view = AV_STEREO3D_VIEW_RIGHT;
1294 }
1295 }
1296 }
1297
1298
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22852 if (h->sei.display_orientation.present &&
1299
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1 (h->sei.display_orientation.anticlockwise_rotation ||
1300
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1 h->sei.display_orientation.hflip ||
1301
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1 h->sei.display_orientation.vflip)) {
1302 H264SEIDisplayOrientation *o = &h->sei.display_orientation;
1303 double angle = o->anticlockwise_rotation * 360 / (double) (1 << 16);
1304 AVFrameSideData *rotation = av_frame_new_side_data(out,
1305 AV_FRAME_DATA_DISPLAYMATRIX,
1306 sizeof(int32_t) * 9);
1307 if (rotation) {
1308 /* av_display_rotation_set() expects the angle in the clockwise
1309 * direction, hence the first minus.
1310 * The below code applies the flips after the rotation, yet
1311 * the H.2645 specs require flipping to be applied first.
1312 * Because of R O(phi) = O(-phi) R (where R is flipping around
1313 * an arbitatry axis and O(phi) is the proper rotation by phi)
1314 * we can create display matrices as desired by negating
1315 * the degree once for every flip applied. */
1316 angle = -angle * (1 - 2 * !!o->hflip) * (1 - 2 * !!o->vflip);
1317 av_display_rotation_set((int32_t *)rotation->data, angle);
1318 av_display_matrix_flip((int32_t *)rotation->data,
1319 o->hflip, o->vflip);
1320 }
1321 }
1322
1323
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22852 if (h->sei.afd.present) {
1324 239 AVFrameSideData *sd = av_frame_new_side_data(out, AV_FRAME_DATA_AFD,
1325 sizeof(uint8_t));
1326
1327
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239 if (sd) {
1328 239 *sd->data = h->sei.afd.active_format_description;
1329 239 h->sei.afd.present = 0;
1330 }
1331 }
1332
1333
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22852 if (h->sei.a53_caption.buf_ref) {
1334 1 H264SEIA53Caption *a53 = &h->sei.a53_caption;
1335
1336 1 AVFrameSideData *sd = av_frame_new_side_data_from_buf(out, AV_FRAME_DATA_A53_CC, a53->buf_ref);
1337
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1 if (!sd)
1338 av_buffer_unref(&a53->buf_ref);
1339 1 a53->buf_ref = NULL;
1340
1341 1 h->avctx->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS;
1342 }
1343
1344
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23028 for (int i = 0; i < h->sei.unregistered.nb_buf_ref; i++) {
1345 176 H264SEIUnregistered *unreg = &h->sei.unregistered;
1346
1347
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176 if (unreg->buf_ref[i]) {
1348 176 AVFrameSideData *sd = av_frame_new_side_data_from_buf(out,
1349 AV_FRAME_DATA_SEI_UNREGISTERED,
1350 176 unreg->buf_ref[i]);
1351
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176 if (!sd)
1352 av_buffer_unref(&unreg->buf_ref[i]);
1353 176 unreg->buf_ref[i] = NULL;
1354 }
1355 }
1356 22852 h->sei.unregistered.nb_buf_ref = 0;
1357
1358
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22852 if (h->sei.film_grain_characteristics.present) {
1359 H264SEIFilmGrainCharacteristics *fgc = &h->sei.film_grain_characteristics;
1360 AVFilmGrainParams *fgp = av_film_grain_params_create_side_data(out);
1361 if (!fgp)
1362 return AVERROR(ENOMEM);
1363
1364 fgp->type = AV_FILM_GRAIN_PARAMS_H274;
1365 fgp->seed = cur->poc + (h->poc_offset << 5);
1366
1367 fgp->codec.h274.model_id = fgc->model_id;
1368 if (fgc->separate_colour_description_present_flag) {
1369 fgp->codec.h274.bit_depth_luma = fgc->bit_depth_luma;
1370 fgp->codec.h274.bit_depth_chroma = fgc->bit_depth_chroma;
1371 fgp->codec.h274.color_range = fgc->full_range + 1;
1372 fgp->codec.h274.color_primaries = fgc->color_primaries;
1373 fgp->codec.h274.color_trc = fgc->transfer_characteristics;
1374 fgp->codec.h274.color_space = fgc->matrix_coeffs;
1375 } else {
1376 fgp->codec.h274.bit_depth_luma = sps->bit_depth_luma;
1377 fgp->codec.h274.bit_depth_chroma = sps->bit_depth_chroma;
1378 if (sps->video_signal_type_present_flag)
1379 fgp->codec.h274.color_range = sps->full_range + 1;
1380 else
1381 fgp->codec.h274.color_range = AVCOL_RANGE_UNSPECIFIED;
1382 if (sps->colour_description_present_flag) {
1383 fgp->codec.h274.color_primaries = sps->color_primaries;
1384 fgp->codec.h274.color_trc = sps->color_trc;
1385 fgp->codec.h274.color_space = sps->colorspace;
1386 } else {
1387 fgp->codec.h274.color_primaries = AVCOL_PRI_UNSPECIFIED;
1388 fgp->codec.h274.color_trc = AVCOL_TRC_UNSPECIFIED;
1389 fgp->codec.h274.color_space = AVCOL_SPC_UNSPECIFIED;
1390 }
1391 }
1392 fgp->codec.h274.blending_mode_id = fgc->blending_mode_id;
1393 fgp->codec.h274.log2_scale_factor = fgc->log2_scale_factor;
1394
1395 memcpy(&fgp->codec.h274.component_model_present, &fgc->comp_model_present_flag,
1396 sizeof(fgp->codec.h274.component_model_present));
1397 memcpy(&fgp->codec.h274.num_intensity_intervals, &fgc->num_intensity_intervals,
1398 sizeof(fgp->codec.h274.num_intensity_intervals));
1399 memcpy(&fgp->codec.h274.num_model_values, &fgc->num_model_values,
1400 sizeof(fgp->codec.h274.num_model_values));
1401 memcpy(&fgp->codec.h274.intensity_interval_lower_bound, &fgc->intensity_interval_lower_bound,
1402 sizeof(fgp->codec.h274.intensity_interval_lower_bound));
1403 memcpy(&fgp->codec.h274.intensity_interval_upper_bound, &fgc->intensity_interval_upper_bound,
1404 sizeof(fgp->codec.h274.intensity_interval_upper_bound));
1405 memcpy(&fgp->codec.h274.comp_model_value, &fgc->comp_model_value,
1406 sizeof(fgp->codec.h274.comp_model_value));
1407
1408 fgc->present = !!fgc->repetition_period;
1409
1410 h->avctx->properties |= FF_CODEC_PROPERTY_FILM_GRAIN;
1411 }
1412
1413
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22852 if (h->sei.picture_timing.timecode_cnt > 0) {
1414 uint32_t *tc_sd;
1415 char tcbuf[AV_TIMECODE_STR_SIZE];
1416
1417 651 AVFrameSideData *tcside = av_frame_new_side_data(out,
1418 AV_FRAME_DATA_S12M_TIMECODE,
1419 sizeof(uint32_t)*4);
1420
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651 if (!tcside)
1421 return AVERROR(ENOMEM);
1422
1423 651 tc_sd = (uint32_t*)tcside->data;
1424 651 tc_sd[0] = h->sei.picture_timing.timecode_cnt;
1425
1426
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1603 for (int i = 0; i < tc_sd[0]; i++) {
1427 952 int drop = h->sei.picture_timing.timecode[i].dropframe;
1428 952 int hh = h->sei.picture_timing.timecode[i].hours;
1429 952 int mm = h->sei.picture_timing.timecode[i].minutes;
1430 952 int ss = h->sei.picture_timing.timecode[i].seconds;
1431 952 int ff = h->sei.picture_timing.timecode[i].frame;
1432
1433 952 tc_sd[i + 1] = av_timecode_get_smpte(h->avctx->framerate, drop, hh, mm, ss, ff);
1434 952 av_timecode_make_smpte_tc_string2(tcbuf, h->avctx->framerate, tc_sd[i + 1], 0, 0);
1435 952 av_dict_set(&out->metadata, "timecode", tcbuf, 0);
1436 }
1437 651 h->sei.picture_timing.timecode_cnt = 0;
1438 }
1439
1440 22852 return 0;
1441 }
1442
1443 22852 static int h264_select_output_frame(H264Context *h)
1444 {
1445 22852 const SPS *sps = h->ps.sps;
1446 22852 H264Picture *out = h->cur_pic_ptr;
1447 22852 H264Picture *cur = h->cur_pic_ptr;
1448 int i, pics, out_of_order, out_idx;
1449
1450 22852 cur->mmco_reset = h->mmco_reset;
1451 22852 h->mmco_reset = 0;
1452
1453
2/2
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22852 if (sps->bitstream_restriction_flag ||
1454
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19459 h->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT) {
1455 3393 h->avctx->has_b_frames = FFMAX(h->avctx->has_b_frames, sps->num_reorder_frames);
1456 }
1457
1458 374098 for (i = 0; 1; i++) {
1459
4/4
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374098 if(i == MAX_DELAYED_PIC_COUNT || cur->poc < h->last_pocs[i]){
1460
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✗ Branch 1 not taken.
22852 if(i)
1461 22852 h->last_pocs[i-1] = cur->poc;
1462 22852 break;
1463
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351246 } else if(i) {
1464 328394 h->last_pocs[i-1]= h->last_pocs[i];
1465 }
1466 }
1467 22852 out_of_order = MAX_DELAYED_PIC_COUNT - i;
1468
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22852 if( cur->f->pict_type == AV_PICTURE_TYPE_B
1469
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15335 || (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))
1470 12110 out_of_order = FFMAX(out_of_order, 1);
1471
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22852 if (out_of_order == MAX_DELAYED_PIC_COUNT) {
1472 av_log(h->avctx, AV_LOG_VERBOSE, "Invalid POC %d<%d\n", cur->poc, h->last_pocs[0]);
1473 for (i = 1; i < MAX_DELAYED_PIC_COUNT; i++)
1474 h->last_pocs[i] = INT_MIN;
1475 h->last_pocs[0] = cur->poc;
1476 cur->mmco_reset = 1;
1477
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22852 } else if(h->avctx->has_b_frames < out_of_order && !sps->bitstream_restriction_flag){
1478
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136 int loglevel = h->avctx->frame_number > 1 ? AV_LOG_WARNING : AV_LOG_VERBOSE;
1479 136 av_log(h->avctx, loglevel, "Increasing reorder buffer to %d\n", out_of_order);
1480 136 h->avctx->has_b_frames = out_of_order;
1481 }
1482
1483 22852 pics = 0;
1484
2/2
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51835 while (h->delayed_pic[pics])
1485 28983 pics++;
1486
1487
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22852 av_assert0(pics <= MAX_DELAYED_PIC_COUNT);
1488
1489 22852 h->delayed_pic[pics++] = cur;
1490
2/2
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22852 if (cur->reference == 0)
1491 21392 cur->reference = DELAYED_PIC_REF;
1492
1493 22852 out = h->delayed_pic[0];
1494 22852 out_idx = 0;
1495 22852 for (i = 1; h->delayed_pic[i] &&
1496
4/4
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48940 !h->delayed_pic[i]->f->key_frame &&
1497
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26175 !h->delayed_pic[i]->mmco_reset;
1498 26088 i++)
1499
2/2
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26088 if (h->delayed_pic[i]->poc < out->poc) {
1500 9697 out = h->delayed_pic[i];
1501 9697 out_idx = i;
1502 }
1503
2/2
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22852 if (h->avctx->has_b_frames == 0 &&
1504
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9713 (h->delayed_pic[0]->f->key_frame || h->delayed_pic[0]->mmco_reset))
1505 786 h->next_outputed_poc = INT_MIN;
1506 22852 out_of_order = out->poc < h->next_outputed_poc;
1507
1508
4/4
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22852 if (out_of_order || pics > h->avctx->has_b_frames) {
1509 22367 out->reference &= ~DELAYED_PIC_REF;
1510
2/2
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58936 for (i = out_idx; h->delayed_pic[i]; i++)
1511 36569 h->delayed_pic[i] = h->delayed_pic[i + 1];
1512 }
1513
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22852 if (!out_of_order && pics > h->avctx->has_b_frames) {
1514 22253 h->next_output_pic = out;
1515
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✓ Branch 7 taken 4268 times.
22253 if (out_idx == 0 && h->delayed_pic[0] && (h->delayed_pic[0]->f->key_frame || h->delayed_pic[0]->mmco_reset)) {
1516 86 h->next_outputed_poc = INT_MIN;
1517 } else
1518 22167 h->next_outputed_poc = out->poc;
1519
1520
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22253 if (out->recovered) {
1521 // We have reached an recovery point and all frames after it in
1522 // display order are "recovered".
1523 22164 h->frame_recovered |= FRAME_RECOVERED_SEI;
1524 }
1525 22253 out->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_SEI);
1526
1527
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22253 if (!out->recovered) {
1528
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78 if (!(h->avctx->flags & AV_CODEC_FLAG_OUTPUT_CORRUPT) &&
1529
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78 !(h->avctx->flags2 & AV_CODEC_FLAG2_SHOW_ALL)) {
1530 78 h->next_output_pic = NULL;
1531 } else {
1532 out->f->flags |= AV_FRAME_FLAG_CORRUPT;
1533 }
1534 }
1535 } else {
1536
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599 av_log(h->avctx, AV_LOG_DEBUG, "no picture %s\n", out_of_order ? "ooo" : "");
1537 }
1538
1539 22852 return 0;
1540 }
1541
1542 /* This function is called right after decoding the slice header for a first
1543 * slice in a field (or a frame). It decides whether we are decoding a new frame
1544 * or a second field in a pair and does the necessary setup.
1545 */
1546 26189 static int h264_field_start(H264Context *h, const H264SliceContext *sl,
1547 const H2645NAL *nal, int first_slice)
1548 {
1549 int i;
1550 const SPS *sps;
1551
1552 int last_pic_structure, last_pic_droppable, ret;
1553
1554 26189 ret = h264_init_ps(h, sl, first_slice);
1555
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26189 if (ret < 0)
1556 return ret;
1557
1558 26189 sps = h->ps.sps;
1559
1560
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26189 if (sps && sps->bitstream_restriction_flag &&
1561
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3725 h->avctx->has_b_frames < sps->num_reorder_frames) {
1562 25 h->avctx->has_b_frames = sps->num_reorder_frames;
1563 }
1564
1565 26189 last_pic_droppable = h->droppable;
1566 26189 last_pic_structure = h->picture_structure;
1567 26189 h->droppable = (nal->ref_idc == 0);
1568 26189 h->picture_structure = sl->picture_structure;
1569
1570 26189 h->poc.frame_num = sl->frame_num;
1571 26189 h->poc.poc_lsb = sl->poc_lsb;
1572 26189 h->poc.delta_poc_bottom = sl->delta_poc_bottom;
1573 26189 h->poc.delta_poc[0] = sl->delta_poc[0];
1574 26189 h->poc.delta_poc[1] = sl->delta_poc[1];
1575
1576
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26189 if (nal->type == H264_NAL_IDR_SLICE)
1577 1017 h->poc_offset = sl->idr_pic_id;
1578
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25172 else if (h->picture_intra_only)
1579 h->poc_offset = 0;
1580
1581 /* Shorten frame num gaps so we don't have to allocate reference
1582 * frames just to throw them away */
1583
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26189 if (h->poc.frame_num != h->poc.prev_frame_num) {
1584 14720 int unwrap_prev_frame_num = h->poc.prev_frame_num;
1585 14720 int max_frame_num = 1 << sps->log2_max_frame_num;
1586
1587
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14720 if (unwrap_prev_frame_num > h->poc.frame_num)
1588 148 unwrap_prev_frame_num -= max_frame_num;
1589
1590
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14720 if ((h->poc.frame_num - unwrap_prev_frame_num) > sps->ref_frame_count) {
1591 73 unwrap_prev_frame_num = (h->poc.frame_num - sps->ref_frame_count) - 1;
1592
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73 if (unwrap_prev_frame_num < 0)
1593 2 unwrap_prev_frame_num += max_frame_num;
1594
1595 73 h->poc.prev_frame_num = unwrap_prev_frame_num;
1596 }
1597 }
1598
1599 /* See if we have a decoded first field looking for a pair...
1600 * Here, we're using that to see if we should mark previously
1601 * decode frames as "finished".
1602 * We have to do that before the "dummy" in-between frame allocation,
1603 * since that can modify h->cur_pic_ptr. */
1604
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26189 if (h->first_field) {
1605 3332 int last_field = last_pic_structure == PICT_BOTTOM_FIELD;
1606
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3332 av_assert0(h->cur_pic_ptr);
1607
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3332 av_assert0(h->cur_pic_ptr->f->buf[0]);
1608 assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
1609
1610 /* Mark old field/frame as completed */
1611
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3332 if (h->cur_pic_ptr->tf.owner[last_field] == h->avctx) {
1612 3332 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, last_field);
1613 }
1614
1615 /* figure out if we have a complementary field pair */
1616
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3332 if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
1617 /* Previous field is unmatched. Don't display it, but let it
1618 * remain for reference if marked as such. */
1619 if (last_pic_structure != PICT_FRAME) {
1620 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
1621 last_pic_structure == PICT_TOP_FIELD);
1622 }
1623 } else {
1624
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3332 if (h->cur_pic_ptr->frame_num != h->poc.frame_num) {
1625 /* This and previous field were reference, but had
1626 * different frame_nums. Consider this field first in
1627 * pair. Throw away previous field except for reference
1628 * purposes. */
1629 if (last_pic_structure != PICT_FRAME) {
1630 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
1631 last_pic_structure == PICT_TOP_FIELD);
1632 }
1633 } else {
1634 /* Second field in complementary pair */
1635
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3332 if (!((last_pic_structure == PICT_TOP_FIELD &&
1636
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3324 h->picture_structure == PICT_BOTTOM_FIELD) ||
1637 8 (last_pic_structure == PICT_BOTTOM_FIELD &&
1638
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8 h->picture_structure == PICT_TOP_FIELD))) {
1639 av_log(h->avctx, AV_LOG_ERROR,
1640 "Invalid field mode combination %d/%d\n",
1641 last_pic_structure, h->picture_structure);
1642 h->picture_structure = last_pic_structure;
1643 h->droppable = last_pic_droppable;
1644 return AVERROR_INVALIDDATA;
1645
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3332 } else if (last_pic_droppable != h->droppable) {
1646 avpriv_request_sample(h->avctx,
1647 "Found reference and non-reference fields in the same frame, which");
1648 h->picture_structure = last_pic_structure;
1649 h->droppable = last_pic_droppable;
1650 return AVERROR_PATCHWELCOME;
1651 }
1652 }
1653 }
1654 }
1655
1656
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26882 while (h->poc.frame_num != h->poc.prev_frame_num && !h->first_field &&
1657
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15413 h->poc.frame_num != (h->poc.prev_frame_num + 1) % (1 << sps->log2_max_frame_num)) {
1658
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693 H264Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
1659 693 av_log(h->avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n",
1660 h->poc.frame_num, h->poc.prev_frame_num);
1661
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693 if (!sps->gaps_in_frame_num_allowed_flag)
1662
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1972 for(i=0; i<FF_ARRAY_ELEMS(h->last_pocs); i++)
1663 1856 h->last_pocs[i] = INT_MIN;
1664 693 ret = h264_frame_start(h);
1665
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693 if (ret < 0) {
1666 h->first_field = 0;
1667 return ret;
1668 }
1669
1670 693 h->poc.prev_frame_num++;
1671 693 h->poc.prev_frame_num %= 1 << sps->log2_max_frame_num;
1672 693 h->cur_pic_ptr->frame_num = h->poc.prev_frame_num;
1673 693 h->cur_pic_ptr->invalid_gap = !sps->gaps_in_frame_num_allowed_flag;
1674 693 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
1675 693 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
1676
1677 693 h->explicit_ref_marking = 0;
1678 693 ret = ff_h264_execute_ref_pic_marking(h);
1679
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693 if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
1680 return ret;
1681 /* Error concealment: If a ref is missing, copy the previous ref
1682 * in its place.
1683 * FIXME: Avoiding a memcpy would be nice, but ref handling makes
1684 * many assumptions about there being no actual duplicates.
1685 * FIXME: This does not copy padding for out-of-frame motion
1686 * vectors. Given we are concealing a lost frame, this probably
1687 * is not noticeable by comparison, but it should be fixed. */
1688
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693 if (h->short_ref_count) {
1689 693 int c[4] = {
1690 693 1<<(h->ps.sps->bit_depth_luma-1),
1691 693 1<<(h->ps.sps->bit_depth_chroma-1),
1692 693 1<<(h->ps.sps->bit_depth_chroma-1),
1693 -1
1694 };
1695
1696
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693 if (prev &&
1697
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669 h->short_ref[0]->f->width == prev->f->width &&
1698
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669 h->short_ref[0]->f->height == prev->f->height &&
1699
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669 h->short_ref[0]->f->format == prev->f->format) {
1700 669 ff_thread_await_progress(&prev->tf, INT_MAX, 0);
1701
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669 if (prev->field_picture)
1702 28 ff_thread_await_progress(&prev->tf, INT_MAX, 1);
1703 669 ff_thread_release_buffer(h->avctx, &h->short_ref[0]->tf);
1704 669 h->short_ref[0]->tf.f = h->short_ref[0]->f;
1705 669 ret = ff_thread_ref_frame(&h->short_ref[0]->tf, &prev->tf);
1706
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669 if (ret < 0)
1707 return ret;
1708 669 h->short_ref[0]->poc = prev->poc + 2U;
1709 669 ff_thread_report_progress(&h->short_ref[0]->tf, INT_MAX, 0);
1710
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669 if (h->short_ref[0]->field_picture)
1711 28 ff_thread_report_progress(&h->short_ref[0]->tf, INT_MAX, 1);
1712
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24 } else if (!h->frame_recovered && !h->avctx->hwaccel)
1713 17 ff_color_frame(h->short_ref[0]->f, c);
1714 693 h->short_ref[0]->frame_num = h->poc.prev_frame_num;
1715 }
1716 }
1717
1718 /* See if we have a decoded first field looking for a pair...
1719 * We're using that to see whether to continue decoding in that
1720 * frame, or to allocate a new one. */
1721
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26189 if (h->first_field) {
1722
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3332 av_assert0(h->cur_pic_ptr);
1723
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3332 av_assert0(h->cur_pic_ptr->f->buf[0]);
1724 assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
1725
1726 /* figure out if we have a complementary field pair */
1727
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3332 if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
1728 /* Previous field is unmatched. Don't display it, but let it
1729 * remain for reference if marked as such. */
1730 h->missing_fields ++;
1731 h->cur_pic_ptr = NULL;
1732 h->first_field = FIELD_PICTURE(h);
1733 } else {
1734 3332 h->missing_fields = 0;
1735
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3332 if (h->cur_pic_ptr->frame_num != h->poc.frame_num) {
1736 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
1737 h->picture_structure==PICT_BOTTOM_FIELD);
1738 /* This and the previous field had different frame_nums.
1739 * Consider this field first in pair. Throw away previous
1740 * one except for reference purposes. */
1741 h->first_field = 1;
1742 h->cur_pic_ptr = NULL;
1743
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3332 } else if (h->cur_pic_ptr->reference & DELAYED_PIC_REF) {
1744 /* This frame was already output, we cannot draw into it
1745 * anymore.
1746 */
1747 h->first_field = 1;
1748 h->cur_pic_ptr = NULL;
1749 } else {
1750 /* Second field in complementary pair */
1751 3332 h->first_field = 0;
1752 }
1753 }
1754 } else {
1755 /* Frame or first field in a potentially complementary pair */
1756 22857 h->first_field = FIELD_PICTURE(h);
1757 }
1758
1759
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26189 if (!FIELD_PICTURE(h) || h->first_field) {
1760
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22857 if (h264_frame_start(h) < 0) {
1761 h->first_field = 0;
1762 return AVERROR_INVALIDDATA;
1763 }
1764 } else {
1765 3332 int field = h->picture_structure == PICT_BOTTOM_FIELD;
1766 3332 release_unused_pictures(h, 0);
1767 3332 h->cur_pic_ptr->tf.owner[field] = h->avctx;
1768 }
1769 /* Some macroblocks can be accessed before they're available in case
1770 * of lost slices, MBAFF or threading. */
1771
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26189 if (FIELD_PICTURE(h)) {
1772
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170961 for(i = (h->picture_structure == PICT_BOTTOM_FIELD); i<h->mb_height; i++)
1773 164292 memset(h->slice_table + i*h->mb_stride, -1, (h->mb_stride - (i+1==h->mb_height)) * sizeof(*h->slice_table));
1774 } else {
1775 19520 memset(h->slice_table, -1,
1776 19520 (h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table));
1777 }
1778
1779 26189 ret = ff_h264_init_poc(h->cur_pic_ptr->field_poc, &h->cur_pic_ptr->poc,
1780 26189 h->ps.sps, &h->poc, h->picture_structure, nal->ref_idc);
1781
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26189 if (ret < 0)
1782 return ret;
1783
1784 26189 memcpy(h->mmco, sl->mmco, sl->nb_mmco * sizeof(*h->mmco));
1785 26189 h->nb_mmco = sl->nb_mmco;
1786 26189 h->explicit_ref_marking = sl->explicit_ref_marking;
1787
1788 26189 h->picture_idr = nal->type == H264_NAL_IDR_SLICE;
1789
1790
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26189 if (h->sei.recovery_point.recovery_frame_cnt >= 0) {
1791 60 const int sei_recovery_frame_cnt = h->sei.recovery_point.recovery_frame_cnt;
1792
1793
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60 if (h->poc.frame_num != sei_recovery_frame_cnt || sl->slice_type_nos != AV_PICTURE_TYPE_I)
1794 47 h->valid_recovery_point = 1;
1795
1796
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60 if ( h->recovery_frame < 0
1797
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1 || av_mod_uintp2(h->recovery_frame - h->poc.frame_num, h->ps.sps->log2_max_frame_num) > sei_recovery_frame_cnt) {
1798 59 h->recovery_frame = av_mod_uintp2(h->poc.frame_num + sei_recovery_frame_cnt, h->ps.sps->log2_max_frame_num);
1799
1800
2/2
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59 if (!h->valid_recovery_point)
1801 6 h->recovery_frame = h->poc.frame_num;
1802 }
1803 }
1804
1805 26189 h->cur_pic_ptr->f->key_frame |= (nal->type == H264_NAL_IDR_SLICE);
1806
1807
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26189 if (nal->type == H264_NAL_IDR_SLICE ||
1808
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25172 (h->recovery_frame == h->poc.frame_num && nal->ref_idc)) {
1809 1064 h->recovery_frame = -1;
1810 1064 h->cur_pic_ptr->recovered = 1;
1811 }
1812 // If we have an IDR, all frames after it in decoded order are
1813 // "recovered".
1814
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26189 if (nal->type == H264_NAL_IDR_SLICE)
1815 1017 h->frame_recovered |= FRAME_RECOVERED_IDR;
1816 #if 1
1817 26189 h->cur_pic_ptr->recovered |= h->frame_recovered;
1818 #else
1819 h->cur_pic_ptr->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_IDR);
1820 #endif
1821
1822 /* Set the frame properties/side data. Only done for the second field in
1823 * field coded frames, since some SEI information is present for each field
1824 * and is merged by the SEI parsing code. */
1825
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26189 if (!FIELD_PICTURE(h) || !h->first_field || h->missing_fields > 1) {
1826 22852 ret = h264_export_frame_props(h);
1827
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22852 if (ret < 0)
1828 return ret;
1829
1830 22852 ret = h264_select_output_frame(h);
1831
1/2
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22852 if (ret < 0)
1832 return ret;
1833 }
1834
1835 26189 return 0;
1836 }
1837
1838 34763 static int h264_slice_header_parse(const H264Context *h, H264SliceContext *sl,
1839 const H2645NAL *nal)
1840 {
1841 const SPS *sps;
1842 const PPS *pps;
1843 int ret;
1844 unsigned int slice_type, tmp, i;
1845 int field_pic_flag, bottom_field_flag;
1846
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34763 int first_slice = sl == h->slice_ctx && !h->current_slice;
1847 int picture_structure;
1848
1849
2/2
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34763 if (first_slice)
1850
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26456 av_assert0(!h->setup_finished);
1851
1852 34763 sl->first_mb_addr = get_ue_golomb_long(&sl->gb);
1853
1854 34763 slice_type = get_ue_golomb_31(&sl->gb);
1855
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34763 if (slice_type > 9) {
1856 av_log(h->avctx, AV_LOG_ERROR,
1857 "slice type %d too large at %d\n",
1858 slice_type, sl->first_mb_addr);
1859 return AVERROR_INVALIDDATA;
1860 }
1861
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34763 if (slice_type > 4) {
1862 21827 slice_type -= 5;
1863 21827 sl->slice_type_fixed = 1;
1864 } else
1865 12936 sl->slice_type_fixed = 0;
1866
1867 34763 slice_type = ff_h264_golomb_to_pict_type[slice_type];
1868 34763 sl->slice_type = slice_type;
1869 34763 sl->slice_type_nos = slice_type & 3;
1870
1871
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34763 if (nal->type == H264_NAL_IDR_SLICE &&
1872
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2081 sl->slice_type_nos != AV_PICTURE_TYPE_I) {
1873 av_log(h->avctx, AV_LOG_ERROR, "A non-intra slice in an IDR NAL unit.\n");
1874 return AVERROR_INVALIDDATA;
1875 }
1876
1877 34763 sl->pps_id = get_ue_golomb(&sl->gb);
1878
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34763 if (sl->pps_id >= MAX_PPS_COUNT) {
1879 av_log(h->avctx, AV_LOG_ERROR, "pps_id %u out of range\n", sl->pps_id);
1880 return AVERROR_INVALIDDATA;
1881 }
1882
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34763 if (!h->ps.pps_list[sl->pps_id]) {
1883 389 av_log(h->avctx, AV_LOG_ERROR,
1884 "non-existing PPS %u referenced\n",
1885 sl->pps_id);
1886 389 return AVERROR_INVALIDDATA;
1887 }
1888 34374 pps = (const PPS*)h->ps.pps_list[sl->pps_id]->data;
1889 34374 sps = pps->sps;
1890
1891 34374 sl->frame_num = get_bits(&sl->gb, sps->log2_max_frame_num);
1892
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34374 if (!first_slice) {
1893
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8298 if (h->poc.frame_num != sl->frame_num) {
1894 av_log(h->avctx, AV_LOG_ERROR, "Frame num change from %d to %d\n",
1895 h->poc.frame_num, sl->frame_num);
1896 return AVERROR_INVALIDDATA;
1897 }
1898 }
1899
1900 34374 sl->mb_mbaff = 0;
1901
1902
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34374 if (sps->frame_mbs_only_flag) {
1903 20433 picture_structure = PICT_FRAME;
1904 } else {
1905
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13941 if (!sps->direct_8x8_inference_flag && slice_type == AV_PICTURE_TYPE_B) {
1906 av_log(h->avctx, AV_LOG_ERROR, "This stream was generated by a broken encoder, invalid 8x8 inference\n");
1907 return -1;
1908 }
1909 13941 field_pic_flag = get_bits1(&sl->gb);
1910
2/2
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✓ Branch 1 taken 5265 times.
13941 if (field_pic_flag) {
1911 8676 bottom_field_flag = get_bits1(&sl->gb);
1912 8676 picture_structure = PICT_TOP_FIELD + bottom_field_flag;
1913 } else {
1914 5265 picture_structure = PICT_FRAME;
1915 }
1916 }
1917 34374 sl->picture_structure = picture_structure;
1918 34374 sl->mb_field_decoding_flag = picture_structure != PICT_FRAME;
1919
1920
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✓ Branch 1 taken 8676 times.
34374 if (picture_structure == PICT_FRAME) {
1921 25698 sl->curr_pic_num = sl->frame_num;
1922 25698 sl->max_pic_num = 1 << sps->log2_max_frame_num;
1923 } else {
1924 8676 sl->curr_pic_num = 2 * sl->frame_num + 1;
1925 8676 sl->max_pic_num = 1 << (sps->log2_max_frame_num + 1);
1926 }
1927
1928
2/2
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✓ Branch 1 taken 32298 times.
34374 if (nal->type == H264_NAL_IDR_SLICE) {
1929 2076 unsigned idr_pic_id = get_ue_golomb_long(&sl->gb);
1930
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2076 if (idr_pic_id < 65536) {
1931 2076 sl->idr_pic_id = idr_pic_id;
1932 } else
1933 av_log(h->avctx, AV_LOG_WARNING, "idr_pic_id is invalid\n");
1934 }
1935
1936 34374 sl->poc_lsb = 0;
1937 34374 sl->delta_poc_bottom = 0;
1938
2/2
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✓ Branch 1 taken 7246 times.
34374 if (sps->poc_type == 0) {
1939 27128 sl->poc_lsb = get_bits(&sl->gb, sps->log2_max_poc_lsb);
1940
1941
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)
1942 5830 sl->delta_poc_bottom = get_se_golomb(&sl->gb);
1943 }
1944
1945 34374 sl->delta_poc[0] = sl->delta_poc[1] = 0;
1946
4/4
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✓ Branch 1 taken 31310 times.
✓ Branch 2 taken 2848 times.
✓ Branch 3 taken 216 times.
34374 if (sps->poc_type == 1 && !sps->delta_pic_order_always_zero_flag) {
1947 2848 sl->delta_poc[0] = get_se_golomb(&sl->gb);
1948
1949
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)
1950 453 sl->delta_poc[1] = get_se_golomb(&sl->gb);
1951 }
1952
1953 34374 sl->redundant_pic_count = 0;
1954
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✓ Branch 1 taken 34374 times.
34374 if (pps->redundant_pic_cnt_present)
1955 sl->redundant_pic_count = get_ue_golomb(&sl->gb);
1956
1957
2/2
✓ Branch 0 taken 12076 times.
✓ Branch 1 taken 22298 times.
34374 if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
1958 12076 sl->direct_spatial_mv_pred = get_bits1(&sl->gb);
1959
1960 34374 ret = ff_h264_parse_ref_count(&sl->list_count, sl->ref_count,
1961 &sl->gb, pps, sl->slice_type_nos,
1962 34374 picture_structure, h->avctx);
1963
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34374 if (ret < 0)
1964 return ret;
1965
1966
2/2
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✓ Branch 1 taken 4235 times.
34374 if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
1967 30139 ret = ff_h264_decode_ref_pic_list_reordering(sl, h->avctx);
1968
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✓ Branch 1 taken 30139 times.
30139 if (ret < 0) {
1969 sl->ref_count[1] = sl->ref_count[0] = 0;
1970 return ret;
1971 }
1972 }
1973
1974 34374 sl->pwt.use_weight = 0;
1975
2/2
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✓ Branch 1 taken 34374 times.
103122 for (i = 0; i < 2; i++) {
1976 68748 sl->pwt.luma_weight_flag[i] = 0;
1977 68748 sl->pwt.chroma_weight_flag[i] = 0;
1978 }
1979
4/4
✓ Branch 0 taken 2299 times.
✓ Branch 1 taken 32075 times.
✓ Branch 2 taken 904 times.
✓ Branch 3 taken 1395 times.
34374 if ((pps->weighted_pred && sl->slice_type_nos == AV_PICTURE_TYPE_P) ||
1980
2/2
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✓ Branch 1 taken 32701 times.
32979 (pps->weighted_bipred_idc == 1 &&
1981
1/2
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✗ Branch 1 not taken.
278 sl->slice_type_nos == AV_PICTURE_TYPE_B)) {
1982 1673 ret = ff_h264_pred_weight_table(&sl->gb, sps, sl->ref_count,
1983 sl->slice_type_nos, &sl->pwt,
1984 1673 picture_structure, h->avctx);
1985
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✓ Branch 1 taken 1673 times.
1673 if (ret < 0)
1986 return ret;
1987 }
1988
1989 34374 sl->explicit_ref_marking = 0;
1990
2/2
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✓ Branch 1 taken 11444 times.
34374 if (nal->ref_idc) {
1991 22930 ret = ff_h264_decode_ref_pic_marking(sl, &sl->gb, nal, h->avctx);
1992
1/4
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✓ Branch 1 taken 22930 times.
✗ Branch 2 not taken.
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22930 if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
1993 return AVERROR_INVALIDDATA;
1994 }
1995
1996
4/4
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✓ Branch 1 taken 4235 times.
✓ Branch 2 taken 15994 times.
✓ Branch 3 taken 14145 times.
34374 if (sl->slice_type_nos != AV_PICTURE_TYPE_I && pps->cabac) {
1997 15994 tmp = get_ue_golomb_31(&sl->gb);
1998
1/2
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✓ Branch 1 taken 15994 times.
15994 if (tmp > 2) {
1999 av_log(h->avctx, AV_LOG_ERROR, "cabac_init_idc %u overflow\n", tmp);
2000 return AVERROR_INVALIDDATA;
2001 }
2002 15994 sl->cabac_init_idc = tmp;
2003 }
2004
2005 34374 sl->last_qscale_diff = 0;
2006 34374 tmp = pps->init_qp + (unsigned)get_se_golomb(&sl->gb);
2007
1/2
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✓ Branch 1 taken 34374 times.
34374 if (tmp > 51 + 6 * (sps->bit_depth_luma - 8)) {
2008 av_log(h->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
2009 return AVERROR_INVALIDDATA;
2010 }
2011 34374 sl->qscale = tmp;
2012 34374 sl->chroma_qp[0] = get_chroma_qp(pps, 0, sl->qscale);
2013 34374 sl->chroma_qp[1] = get_chroma_qp(pps, 1, sl->qscale);
2014 // FIXME qscale / qp ... stuff
2015
1/2
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✓ Branch 1 taken 34374 times.
34374 if (sl->slice_type == AV_PICTURE_TYPE_SP)
2016 get_bits1(&sl->gb); /* sp_for_switch_flag */
2017
1/2
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✗ Branch 1 not taken.
34374 if (sl->slice_type == AV_PICTURE_TYPE_SP ||
2018
1/2
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✓ Branch 1 taken 34374 times.
34374 sl->slice_type == AV_PICTURE_TYPE_SI)
2019 get_se_golomb(&sl->gb); /* slice_qs_delta */
2020
2021 34374 sl->deblocking_filter = 1;
2022 34374 sl->slice_alpha_c0_offset = 0;
2023 34374 sl->slice_beta_offset = 0;
2024
2/2
✓ Branch 0 taken 19918 times.
✓ Branch 1 taken 14456 times.
34374 if (pps->deblocking_filter_parameters_present) {
2025 19918 tmp = get_ue_golomb_31(&sl->gb);
2026
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 19918 times.
19918 if (tmp > 2) {
2027 av_log(h->avctx, AV_LOG_ERROR,
2028 "deblocking_filter_idc %u out of range\n", tmp);
2029 return AVERROR_INVALIDDATA;
2030 }
2031 19918 sl->deblocking_filter = tmp;
2032
2/2
✓ Branch 0 taken 17417 times.
✓ Branch 1 taken 2501 times.
19918 if (sl->deblocking_filter < 2)
2033 17417 sl->deblocking_filter ^= 1; // 1<->0
2034
2035
2/2
✓ Branch 0 taken 12905 times.
✓ Branch 1 taken 7013 times.
19918 if (sl->deblocking_filter) {
2036 12905 int slice_alpha_c0_offset_div2 = get_se_golomb(&sl->gb);
2037 12905 int slice_beta_offset_div2 = get_se_golomb(&sl->gb);
2038
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 ||
2039
1/2
✓ Branch 0 taken 12905 times.
✗ Branch 1 not taken.
12905 slice_alpha_c0_offset_div2 < -6 ||
2040
1/2
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✓ Branch 1 taken 12905 times.
12905 slice_beta_offset_div2 > 6 ||
2041 slice_beta_offset_div2 < -6) {
2042 av_log(h->avctx, AV_LOG_ERROR,
2043 "deblocking filter parameters %d %d out of range\n",
2044 slice_alpha_c0_offset_div2, slice_beta_offset_div2);
2045 return AVERROR_INVALIDDATA;
2046 }
2047 12905 sl->slice_alpha_c0_offset = slice_alpha_c0_offset_div2 * 2;
2048 12905 sl->slice_beta_offset = slice_beta_offset_div2 * 2;
2049 }
2050 }
2051
2052 34374 return 0;
2053 }
2054
2055 /* do all the per-slice initialization needed before we can start decoding the
2056 * actual MBs */
2057 34294 static int h264_slice_init(H264Context *h, H264SliceContext *sl,
2058 const H2645NAL *nal)
2059 {
2060 34294 int i, j, ret = 0;
2061
2062
3/4
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✓ Branch 1 taken 32218 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 2076 times.
34294 if (h->picture_idr && nal->type != H264_NAL_IDR_SLICE) {
2063 av_log(h->avctx, AV_LOG_ERROR, "Invalid mix of IDR and non-IDR slices\n");
2064 return AVERROR_INVALIDDATA;
2065 }
2066
2067 av_assert1(h->mb_num == h->mb_width * h->mb_height);
2068
5/6
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✓ Branch 1 taken 4768 times.
✓ Branch 2 taken 8596 times.
✓ Branch 3 taken 20930 times.
✓ Branch 4 taken 34294 times.
✗ Branch 5 not taken.
34294 if (sl->first_mb_addr << FIELD_OR_MBAFF_PICTURE(h) >= h->mb_num ||
2069
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34294 times.
34294 sl->first_mb_addr >= h->mb_num) {
2070 av_log(h->avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
2071 return AVERROR_INVALIDDATA;
2072 }
2073 34294 sl->resync_mb_x = sl->mb_x = sl->first_mb_addr % h->mb_width;
2074 68588 sl->resync_mb_y = sl->mb_y = (sl->first_mb_addr / h->mb_width) <<
2075
4/4
✓ Branch 0 taken 29526 times.
✓ Branch 1 taken 4768 times.
✓ Branch 2 taken 8596 times.
✓ Branch 3 taken 20930 times.
34294 FIELD_OR_MBAFF_PICTURE(h);
2076
2/2
✓ Branch 0 taken 4295 times.
✓ Branch 1 taken 29999 times.
34294 if (h->picture_structure == PICT_BOTTOM_FIELD)
2077 4295 sl->resync_mb_y = sl->mb_y = sl->mb_y + 1;
2078 av_assert1(sl->mb_y < h->mb_height);
2079
2080 34294 ret = ff_h264_build_ref_list(h, sl);
2081
1/2
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✓ Branch 1 taken 34294 times.
34294 if (ret < 0)
2082 return ret;
2083
2084
2/2
✓ Branch 0 taken 2426 times.
✓ Branch 1 taken 31868 times.
34294 if (h->ps.pps->weighted_bipred_idc == 2 &&
2085
2/2
✓ Branch 0 taken 1589 times.
✓ Branch 1 taken 837 times.
2426 sl->slice_type_nos == AV_PICTURE_TYPE_B) {
2086 1589 implicit_weight_table(h, sl, -1);
2087
2/2
✓ Branch 0 taken 855 times.
✓ Branch 1 taken 734 times.
1589 if (FRAME_MBAFF(h)) {
2088 855 implicit_weight_table(h, sl, 0);
2089 855 implicit_weight_table(h, sl, 1);
2090 }
2091 }
2092
2093
4/4
✓ Branch 0 taken 12032 times.
✓ Branch 1 taken 22262 times.
✓ Branch 2 taken 7703 times.
✓ Branch 3 taken 4329 times.
34294 if (sl->slice_type_nos == AV_PICTURE_TYPE_B && !sl->direct_spatial_mv_pred)
2094 7703 ff_h264_direct_dist_scale_factor(h, sl);
2095
1/2
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✗ Branch 1 not taken.
34294 if (!h->setup_finished)
2096 34294 ff_h264_direct_ref_list_init(h, sl);
2097
2098
1/2
✓ Branch 0 taken 34294 times.
✗ Branch 1 not taken.
34294 if (h->avctx->skip_loop_filter >= AVDISCARD_ALL ||
2099
1/2
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✓ Branch 1 taken 34294 times.
34294 (h->avctx->skip_loop_filter >= AVDISCARD_NONKEY &&
2100 h->nal_unit_type != H264_NAL_IDR_SLICE) ||
2101
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34294 times.
34294 (h->avctx->skip_loop_filter >= AVDISCARD_NONINTRA &&
2102 sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
2103
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34294 times.
34294 (h->avctx->skip_loop_filter >= AVDISCARD_BIDIR &&
2104 sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
2105
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34294 times.
34294 (h->avctx->skip_loop_filter >= AVDISCARD_NONREF &&
2106 nal->ref_idc == 0))
2107 sl->deblocking_filter = 0;
2108
2109
3/4
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✓ Branch 1 taken 9514 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 24780 times.
34294 if (sl->deblocking_filter == 1 && h->nb_slice_ctx > 1) {
2110 if (h->avctx->flags2 & AV_CODEC_FLAG2_FAST) {
2111 /* Cheat slightly for speed:
2112 * Do not bother to deblock across slices. */
2113 sl->deblocking_filter = 2;
2114 } else {
2115 h->postpone_filter = 1;
2116 }
2117 }
2118 34294 sl->qp_thresh = 15 -
2119 34294 FFMIN(sl->slice_alpha_c0_offset, sl->slice_beta_offset) -
2120 34294 FFMAX3(0,
2121 h->ps.pps->chroma_qp_index_offset[0],
2122 34294 h->ps.pps->chroma_qp_index_offset[1]) +
2123 34294 6 * (h->ps.sps->bit_depth_luma - 8);
2124
2125 34294 sl->slice_num = ++h->current_slice;
2126
2127
1/2
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✗ Branch 1 not taken.
34294 if (sl->slice_num)
2128 34294 h->slice_row[(sl->slice_num-1)&(MAX_SLICES-1)]= sl->resync_mb_y;
2129
2/2
✓ Branch 0 taken 31626 times.
✓ Branch 1 taken 2668 times.
34294 if ( h->slice_row[sl->slice_num&(MAX_SLICES-1)] + 3 >= sl->resync_mb_y
2130
2/2
✓ Branch 0 taken 23813 times.
✓ Branch 1 taken 7813 times.
31626 && h->slice_row[sl->slice_num&(MAX_SLICES-1)] <= sl->resync_mb_y
2131
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 23813 times.
23813 && sl->slice_num >= MAX_SLICES) {
2132 //in case of ASO this check needs to be updated depending on how we decide to assign slice numbers in this case
2133 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);
2134 }
2135
2136
2/2
✓ Branch 0 taken 68588 times.
✓ Branch 1 taken 34294 times.
102882 for (j = 0; j < 2; j++) {
2137 int id_list[16];
2138 68588 int *ref2frm = h->ref2frm[sl->slice_num & (MAX_SLICES - 1)][j];
2139
2/2
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✓ Branch 1 taken 68588 times.
1165996 for (i = 0; i < 16; i++) {
2140 1097408 id_list[i] = 60;
2141
4/4
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✓ Branch 1 taken 423952 times.
✓ Branch 2 taken 134517 times.
✓ Branch 3 taken 538939 times.
1097408 if (j < sl->list_count && i < sl->ref_count[j] &&
2142
1/2
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✗ Branch 1 not taken.
134517 sl->ref_list[j][i].parent->f->buf[0]) {
2143 int k;
2144 134517 AVBuffer *buf = sl->ref_list[j][i].parent->f->buf[0]->buffer;
2145
2/2
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✓ Branch 1 taken 1933 times.
460083 for (k = 0; k < h->short_ref_count; k++)
2146
2/2
✓ Branch 0 taken 132584 times.
✓ Branch 1 taken 325566 times.
458150 if (h->short_ref[k]->f->buf[0]->buffer == buf) {
2147 132584 id_list[i] = k;
2148 132584 break;
2149 }
2150
2/2
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✓ Branch 1 taken 132725 times.
144595 for (k = 0; k < h->long_ref_count; k++)
2151
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) {
2152 1792 id_list[i] = h->short_ref_count + k;
2153 1792 break;
2154 }
2155 }
2156 }
2157
2158 68588 ref2frm[0] =
2159 68588 ref2frm[1] = -1;
2160
2/2
✓ Branch 0 taken 1097408 times.
✓ Branch 1 taken 68588 times.
1165996 for (i = 0; i < 16; i++)
2161 1097408 ref2frm[i + 2] = 4 * id_list[i] + (sl->ref_list[j][i].reference & 3);
2162 68588 ref2frm[18 + 0] =
2163 68588 ref2frm[18 + 1] = -1;
2164
2/2
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✓ Branch 1 taken 68588 times.
2263404 for (i = 16; i < 48; i++)
2165 2194816 ref2frm[i + 4] = 4 * id_list[(i - 16) >> 1] +
2166 2194816 (sl->ref_list[j][i].reference & 3);
2167 }
2168
2169
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34294 times.
34294 if (h->avctx->debug & FF_DEBUG_PICT_INFO) {
2170 av_log(h->avctx, AV_LOG_DEBUG,
2171 "slice:%d %c mb:%d %c%s%s frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n",
2172 sl->slice_num,
2173 (h->picture_structure == PICT_FRAME ? 'F' : h->picture_structure == PICT_TOP_FIELD ? 'T' : 'B'),
2174 sl->mb_y * h->mb_width + sl->mb_x,
2175 av_get_picture_type_char(sl->slice_type),
2176 sl->slice_type_fixed ? " fix" : "",
2177 nal->type == H264_NAL_IDR_SLICE ? " IDR" : "",
2178 h->poc.frame_num,
2179 h->cur_pic_ptr->field_poc[0],
2180 h->cur_pic_ptr->field_poc[1],
2181 sl->ref_count[0], sl->ref_count[1],
2182 sl->qscale,
2183 sl->deblocking_filter,
2184 sl->slice_alpha_c0_offset, sl->slice_beta_offset,
2185 sl->pwt.use_weight,
2186 sl->pwt.use_weight == 1 && sl->pwt.use_weight_chroma ? "c" : "",
2187 sl->slice_type == AV_PICTURE_TYPE_B ? (sl->direct_spatial_mv_pred ? "SPAT" : "TEMP") : "");
2188 }
2189
2190 34294 return 0;
2191 }
2192
2193 34763 int ff_h264_queue_decode_slice(H264Context *h, const H2645NAL *nal)
2194 {
2195 34763 H264SliceContext *sl = h->slice_ctx + h->nb_slice_ctx_queued;
2196
4/4
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✓ Branch 1 taken 450 times.
✓ Branch 2 taken 26456 times.
✓ Branch 3 taken 7857 times.
34763 int first_slice = sl == h->slice_ctx && !h->current_slice;
2197 int ret;
2198
2199 34763 sl->gb = nal->gb;
2200
2201 34763 ret = h264_slice_header_parse(h, sl, nal);
2202
2/2
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✓ Branch 1 taken 34374 times.
34763 if (ret < 0)
2203 389 return ret;
2204
2205 // discard redundant pictures
2206
1/2
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✓ Branch 1 taken 34374 times.
34374 if (sl->redundant_pic_count > 0) {
2207 sl->ref_count[0] = sl->ref_count[1] = 0;
2208 return 0;
2209 }
2210
2211
3/4
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✓ Branch 1 taken 26269 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 8105 times.
34374 if (sl->first_mb_addr == 0 || !h->current_slice) {
2212
1/2
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✓ Branch 1 taken 26269 times.
26269 if (h->setup_finished) {
2213 av_log(h->avctx, AV_LOG_ERROR, "Too many fields\n");
2214 return AVERROR_INVALIDDATA;
2215 }
2216 }
2217
2218
2/2
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✓ Branch 1 taken 8105 times.
34374 if (sl->first_mb_addr == 0) { // FIXME better field boundary detection
2219
2/2
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✓ Branch 1 taken 26076 times.
26269 if (h->current_slice) {
2220 // this slice starts a new field
2221 // first decode any pending queued slices
2222
1/2
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✓ Branch 1 taken 193 times.
193 if (h->nb_slice_ctx_queued) {
2223 H264SliceContext tmp_ctx;
2224
2225 ret = ff_h264_execute_decode_slices(h);
2226 if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
2227 return ret;
2228
2229 memcpy(&tmp_ctx, h->slice_ctx, sizeof(tmp_ctx));
2230 memcpy(h->slice_ctx, sl, sizeof(tmp_ctx));
2231 memcpy(sl, &tmp_ctx, sizeof(tmp_ctx));
2232 sl = h->slice_ctx;
2233 }
2234
2235
3/6
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193 if (h->cur_pic_ptr && FIELD_PICTURE(h) && h->first_field) {
2236 193 ret = ff_h264_field_end(h, h->slice_ctx, 1);
2237
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193 if (ret < 0)
2238 return ret;
2239 } else if (h->cur_pic_ptr && !FIELD_PICTURE(h) && !h->first_field && h->nal_unit_type == H264_NAL_IDR_SLICE) {
2240 av_log(h, AV_LOG_WARNING, "Broken frame packetizing\n");
2241 ret = ff_h264_field_end(h, h->slice_ctx, 1);
2242 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
2243 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
2244 h->cur_pic_ptr = NULL;
2245 if (ret < 0)
2246 return ret;
2247 } else
2248 return AVERROR_INVALIDDATA;
2249 }
2250
2251
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26269 if (!h->first_field) {
2252
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✗ Branch 3 not taken.
22937 if (h->cur_pic_ptr && !h->droppable) {
2253 299 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
2254 299 h->picture_structure == PICT_BOTTOM_FIELD);
2255 }
2256 22937 h->cur_pic_ptr = NULL;
2257 }
2258 }
2259
2260
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34374 if (!h->current_slice)
2261
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✓ Branch 1 taken 26269 times.
26269 av_assert0(sl == h->slice_ctx);
2262
2263
4/4
✓ Branch 0 taken 26269 times.
✓ Branch 1 taken 8105 times.
✓ Branch 2 taken 22937 times.
✓ Branch 3 taken 3332 times.
34374 if (h->current_slice == 0 && !h->first_field) {
2264 22937 if (
2265
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✓ Branch 1 taken 22853 times.
✓ Branch 2 taken 84 times.
✗ Branch 3 not taken.
22937 (h->avctx->skip_frame >= AVDISCARD_NONREF && !h->nal_ref_idc) ||
2266
4/4
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✓ Branch 1 taken 22853 times.
✓ Branch 2 taken 40 times.
✓ Branch 3 taken 44 times.
22937 (h->avctx->skip_frame >= AVDISCARD_BIDIR && sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
2267
4/4
✓ Branch 0 taken 40 times.
✓ Branch 1 taken 22853 times.
✓ Branch 2 taken 4 times.
✓ Branch 3 taken 36 times.
22893 (h->avctx->skip_frame >= AVDISCARD_NONINTRA && sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
2268
4/6
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22857 (h->avctx->skip_frame >= AVDISCARD_NONKEY && h->nal_unit_type != H264_NAL_IDR_SLICE && h->sei.recovery_point.recovery_frame_cnt < 0) ||
2269
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22857 h->avctx->skip_frame >= AVDISCARD_ALL) {
2270 80 return 0;
2271 }
2272 }
2273
2274
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✓ Branch 0 taken 8298 times.
✓ Branch 1 taken 25996 times.
34294 if (!first_slice) {
2275 8298 const PPS *pps = (const PPS*)h->ps.pps_list[sl->pps_id]->data;
2276
2277
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8298 if (h->ps.pps->sps_id != pps->sps_id ||
2278
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8298 h->ps.pps->transform_8x8_mode != pps->transform_8x8_mode /*||
2279 (h->setup_finished && h->ps.pps != pps)*/) {
2280 av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\n");
2281 return AVERROR_INVALIDDATA;
2282 }
2283
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✓ Branch 1 taken 8298 times.
8298 if (h->ps.sps != pps->sps) {
2284 av_log(h->avctx, AV_LOG_ERROR,
2285 "SPS changed in the middle of the frame\n");
2286 return AVERROR_INVALIDDATA;
2287 }
2288 }
2289
2290
2/2
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34294 if (h->current_slice == 0) {
2291 26189 ret = h264_field_start(h, sl, nal, first_slice);
2292
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✓ Branch 1 taken 26189 times.
26189 if (ret < 0)
2293 return ret;
2294 } else {
2295
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8105 if (h->picture_structure != sl->picture_structure ||
2296
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8105 h->droppable != (nal->ref_idc == 0)) {
2297 av_log(h->avctx, AV_LOG_ERROR,
2298 "Changing field mode (%d -> %d) between slices is not allowed\n",
2299 h->picture_structure, sl->picture_structure);
2300 return AVERROR_INVALIDDATA;
2301
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✓ Branch 1 taken 8105 times.
8105 } else if (!h->cur_pic_ptr) {
2302 av_log(h->avctx, AV_LOG_ERROR,
2303 "unset cur_pic_ptr on slice %d\n",
2304 h->current_slice + 1);
2305 return AVERROR_INVALIDDATA;
2306 }
2307 }
2308
2309 34294 ret = h264_slice_init(h, sl, nal);
2310
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✓ Branch 1 taken 34294 times.
34294 if (ret < 0)
2311 return ret;
2312
2313 34294 h->nb_slice_ctx_queued++;
2314
2315 34294 return 0;
2316 }
2317
2318 int ff_h264_get_slice_type(const H264SliceContext *sl)
2319 {
2320 switch (sl->slice_type) {
2321 case AV_PICTURE_TYPE_P:
2322 return 0;
2323 case AV_PICTURE_TYPE_B:
2324 return 1;
2325 case AV_PICTURE_TYPE_I:
2326 return 2;
2327 case AV_PICTURE_TYPE_SP:
2328 return 3;
2329 case AV_PICTURE_TYPE_SI:
2330 return 4;
2331 default:
2332 return AVERROR_INVALIDDATA;
2333 }
2334 }
2335
2336 11509805 static av_always_inline void fill_filter_caches_inter(const H264Context *h,
2337 H264SliceContext *sl,
2338 int mb_type, int top_xy,
2339 int left_xy[LEFT_MBS],
2340 int top_type,
2341 int left_type[LEFT_MBS],
2342 int mb_xy, int list)
2343 {
2344 11509805 int b_stride = h->b_stride;
2345 11509805 int16_t(*mv_dst)[2] = &sl->mv_cache[list][scan8[0]];
2346 11509805 int8_t *ref_cache = &sl->ref_cache[list][scan8[0]];
2347
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11509805 if (IS_INTER(mb_type) || IS_DIRECT(mb_type)) {
2348
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11509805 if (USES_LIST(top_type, list)) {
2349 9256034 const int b_xy = h->mb2b_xy[top_xy] + 3 * b_stride;
2350 9256034 const int b8_xy = 4 * top_xy + 2;
2351
2/2
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✓ Branch 1 taken 8942681 times.
9256034 const int *ref2frm = &h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][list][(MB_MBAFF(sl) ? 20 : 2)];
2352 9256034 AV_COPY128(mv_dst - 1 * 8, h->cur_pic.motion_val[list][b_xy + 0]);
2353 9256034 ref_cache[0 - 1 * 8] =
2354 9256034 ref_cache[1 - 1 * 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 0]];
2355 9256034 ref_cache[2 - 1 * 8] =
2356 9256034 ref_cache[3 - 1 * 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 1]];
2357 } else {
2358 2253771 AV_ZERO128(mv_dst - 1 * 8);
2359 2253771 AV_WN32A(&ref_cache[0 - 1 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2360 }
2361
2362
2/2
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✓ Branch 1 taken 410663 times.
11509805 if (!IS_INTERLACED(mb_type ^ left_type[LTOP])) {
2363
2/2
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✓ Branch 1 taken 1814535 times.
11099142 if (USES_LIST(left_type[LTOP], list)) {
2364 9284607 const int b_xy = h->mb2b_xy[left_xy[LTOP]] + 3;
2365 9284607 const int b8_xy = 4 * left_xy[LTOP] + 1;
2366
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)];
2367 9284607 AV_COPY32(mv_dst - 1 + 0, h->cur_pic.motion_val[list][b_xy + b_stride * 0]);
2368 9284607 AV_COPY32(mv_dst - 1 + 8, h->cur_pic.motion_val[list][b_xy + b_stride * 1]);
2369 9284607 AV_COPY32(mv_dst - 1 + 16, h->cur_pic.motion_val[list][b_xy + b_stride * 2]);
2370 9284607 AV_COPY32(mv_dst - 1 + 24, h->cur_pic.motion_val[list][b_xy + b_stride * 3]);
2371 9284607 ref_cache[-1 + 0] =
2372 9284607 ref_cache[-1 + 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 2 * 0]];
2373 9284607 ref_cache[-1 + 16] =
2374 9284607 ref_cache[-1 + 24] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 2 * 1]];
2375 } else {
2376 1814535 AV_ZERO32(mv_dst - 1 + 0);
2377 1814535 AV_ZERO32(mv_dst - 1 + 8);
2378 1814535 AV_ZERO32(mv_dst - 1 + 16);
2379 1814535 AV_ZERO32(mv_dst - 1 + 24);
2380 1814535 ref_cache[-1 + 0] =
2381 1814535 ref_cache[-1 + 8] =
2382 1814535 ref_cache[-1 + 16] =
2383 1814535 ref_cache[-1 + 24] = LIST_NOT_USED;
2384 }
2385 }
2386 }
2387
2388
2/2
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✓ Branch 1 taken 10246815 times.
11509805 if (!USES_LIST(mb_type, list)) {
2389 1262990 fill_rectangle(mv_dst, 4, 4, 8, pack16to32(0, 0), 4);
2390 1262990 AV_WN32A(&ref_cache[0 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2391 1262990 AV_WN32A(&ref_cache[1 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2392 1262990 AV_WN32A(&ref_cache[2 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2393 1262990 AV_WN32A(&ref_cache[3 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2394 1262990 return;
2395 }
2396
2397 {
2398 10246815 int8_t *ref = &h->cur_pic.ref_index[list][4 * mb_xy];
2399
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)];
2400 10246815 uint32_t ref01 = (pack16to32(ref2frm[ref[0]], ref2frm[ref[1]]) & 0x00FF00FF) * 0x0101;
2401 10246815 uint32_t ref23 = (pack16to32(ref2frm[ref[2]], ref2frm[ref[3]]) & 0x00FF00FF) * 0x0101;
2402 10246815 AV_WN32A(&ref_cache[0 * 8], ref01);
2403 10246815 AV_WN32A(&ref_cache[1 * 8], ref01);
2404 10246815 AV_WN32A(&ref_cache[2 * 8], ref23);
2405 10246815 AV_WN32A(&ref_cache[3 * 8], ref23);
2406 }
2407
2408 {
2409 10246815 int16_t(*mv_src)[2] = &h->cur_pic.motion_val[list][4 * sl->mb_x + 4 * sl->mb_y * b_stride];
2410 10246815 AV_COPY128(mv_dst + 8 * 0, mv_src + 0 * b_stride);
2411 10246815 AV_COPY128(mv_dst + 8 * 1, mv_src + 1 * b_stride);
2412 10246815 AV_COPY128(mv_dst + 8 * 2, mv_src + 2 * b_stride);
2413 10246815 AV_COPY128(mv_dst + 8 * 3, mv_src + 3 * b_stride);
2414 }
2415 }
2416
2417 /**
2418 * @return non zero if the loop filter can be skipped
2419 */
2420 11609103 static int fill_filter_caches(const H264Context *h, H264SliceContext *sl, int mb_type)
2421 {
2422 11609103 const int mb_xy = sl->mb_xy;
2423 int top_xy, left_xy[LEFT_MBS];
2424 int top_type, left_type[LEFT_MBS];
2425 uint8_t *nnz;
2426 uint8_t *nnz_cache;
2427
2428 11609103 top_xy = mb_xy - (h->mb_stride << MB_FIELD(sl));
2429
2430 11609103 left_xy[LBOT] = left_xy[LTOP] = mb_xy - 1;
2431
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11609103 if (FRAME_MBAFF(h)) {
2432 1814136 const int left_mb_field_flag = IS_INTERLACED(h->cur_pic.mb_type[mb_xy - 1]);
2433 1814136 const int curr_mb_field_flag = IS_INTERLACED(mb_type);
2434
2/2
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1814136 if (sl->mb_y & 1) {
2435
2/2
✓ Branch 0 taken 189266 times.
✓ Branch 1 taken 717802 times.
907068 if (left_mb_field_flag != curr_mb_field_flag)
2436 189266 left_xy[LTOP] -= h->mb_stride;
2437 } else {
2438
2/2
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907068 if (curr_mb_field_flag)
2439 241257 top_xy += h->mb_stride &
2440 241257 (((h->cur_pic.mb_type[top_xy] >> 7) & 1) - 1);
2441
2/2
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✓ Branch 1 taken 717802 times.
907068 if (left_mb_field_flag != curr_mb_field_flag)
2442 189266 left_xy[LBOT] += h->mb_stride;
2443 }
2444 }
2445
2446 11609103 sl->top_mb_xy = top_xy;
2447 11609103 sl->left_mb_xy[LTOP] = left_xy[LTOP];
2448 11609103 sl->left_mb_xy[LBOT] = left_xy[LBOT];
2449 {
2450 /* For sufficiently low qp, filtering wouldn't do anything.
2451 * This is a conservative estimate: could also check beta_offset
2452 * and more accurate chroma_qp. */
2453 11609103 int qp_thresh = sl->qp_thresh; // FIXME strictly we should store qp_thresh for each mb of a slice
2454 11609103 int qp = h->cur_pic.qscale_table[mb_xy];
2455
2/2
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11609103 if (qp <= qp_thresh &&
2456
2/2
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✓ Branch 1 taken 811 times.
1458628 (left_xy[LTOP] < 0 ||
2457
4/4
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✓ Branch 2 taken 1328998 times.
✓ Branch 3 taken 59544 times.
1458628 ((qp + h->cur_pic.qscale_table[left_xy[LTOP]] + 1) >> 1) <= qp_thresh) &&
2458 1328998 (top_xy < 0 ||
2459
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)) {
2460
2/2
✓ Branch 0 taken 990750 times.
✓ Branch 1 taken 222445 times.
1213195 if (!FRAME_MBAFF(h))
2461 990750 return 1;
2462
2/2
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✓ Branch 1 taken 94 times.
222445 if ((left_xy[LTOP] < 0 ||
2463
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) &&
2464
2/2
✓ Branch 0 taken 207469 times.
✓ Branch 1 taken 14571 times.
222040 (top_xy < h->mb_stride ||
2465
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))
2466 205646 return 1;
2467 }
2468 }
2469
2470 10412707 top_type = h->cur_pic.mb_type[top_xy];
2471 10412707 left_type[LTOP] = h->cur_pic.mb_type[left_xy[LTOP]];
2472 10412707 left_type[LBOT] = h->cur_pic.mb_type[left_xy[LBOT]];
2473
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✓ Branch 1 taken 9942331 times.
10412707 if (sl->deblocking_filter == 2) {
2474
2/2
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470376 if (h->slice_table[top_xy] != sl->slice_num)
2475 56878 top_type = 0;
2476
2/2
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✓ Branch 1 taken 456502 times.
470376 if (h->slice_table[left_xy[LBOT]] != sl->slice_num)
2477 13874 left_type[LTOP] = left_type[LBOT] = 0;
2478 } else {
2479
2/2
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9942331 if (h->slice_table[top_xy] == 0xFFFF)
2480 454528 top_type = 0;
2481
2/2
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✓ Branch 1 taken 9646451 times.
9942331 if (h->slice_table[left_xy[LBOT]] == 0xFFFF)
2482 295880 left_type[LTOP] = left_type[LBOT] = 0;
2483 }
2484 10412707 sl->top_type = top_type;
2485 10412707 sl->left_type[LTOP] = left_type[LTOP];
2486 10412707 sl->left_type[LBOT] = left_type[LBOT];
2487
2488
2/2
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10412707 if (IS_INTRA(mb_type))
2489 2890916 return 0;
2490
2491 7521791 fill_filter_caches_inter(h, sl, mb_type, top_xy, left_xy,
2492 top_type, left_type, mb_xy, 0);
2493
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7521791 if (sl->list_count == 2)
2494 3988014 fill_filter_caches_inter(h, sl, mb_type, top_xy, left_xy,
2495 top_type, left_type, mb_xy, 1);
2496
2497 7521791 nnz = h->non_zero_count[mb_xy];
2498 7521791 nnz_cache = sl->non_zero_count_cache;
2499 7521791 AV_COPY32(&nnz_cache[4 + 8 * 1], &nnz[0]);
2500 7521791 AV_COPY32(&nnz_cache[4 + 8 * 2], &nnz[4]);
2501 7521791 AV_COPY32(&nnz_cache[4 + 8 * 3], &nnz[8]);
2502 7521791 AV_COPY32(&nnz_cache[4 + 8 * 4], &nnz[12]);
2503 7521791 sl->cbp = h->cbp_table[mb_xy];
2504
2505
2/2
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✓ Branch 1 taken 409480 times.
7521791 if (top_type) {
2506 7112311 nnz = h->non_zero_count[top_xy];
2507 7112311 AV_COPY32(&nnz_cache[4 + 8 * 0], &nnz[3 * 4]);
2508 }
2509
2510
2/2
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✓ Branch 1 taken 254035 times.
7521791 if (left_type[LTOP]) {
2511 7267756 nnz = h->non_zero_count[left_xy[LTOP]];
2512 7267756 nnz_cache[3 + 8 * 1] = nnz[3 + 0 * 4];
2513 7267756 nnz_cache[3 + 8 * 2] = nnz[3 + 1 * 4];
2514 7267756 nnz_cache[3 + 8 * 3] = nnz[3 + 2 * 4];
2515 7267756 nnz_cache[3 + 8 * 4] = nnz[3 + 3 * 4];
2516 }
2517
2518 /* CAVLC 8x8dct requires NNZ values for residual decoding that differ
2519 * from what the loop filter needs */
2520
4/4
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✓ Branch 2 taken 246512 times.
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7521791 if (!CABAC(h) && h->ps.pps->transform_8x8_mode) {
2521
2/2
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✓ Branch 1 taken 138632 times.
246512 if (IS_8x8DCT(top_type)) {
2522 107880 nnz_cache[4 + 8 * 0] =
2523 107880 nnz_cache[5 + 8 * 0] = (h->cbp_table[top_xy] & 0x4000) >> 12;
2524 107880 nnz_cache[6 + 8 * 0] =
2525 107880 nnz_cache[7 + 8 * 0] = (h->cbp_table[top_xy] & 0x8000) >> 12;
2526 }
2527
2/2
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✓ Branch 1 taken 136056 times.
246512 if (IS_8x8DCT(left_type[LTOP])) {
2528 110456 nnz_cache[3 + 8 * 1] =
2529 110456 nnz_cache[3 + 8 * 2] = (h->cbp_table[left_xy[LTOP]] & 0x2000) >> 12; // FIXME check MBAFF
2530 }
2531
2/2
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✓ Branch 1 taken 135956 times.
246512 if (IS_8x8DCT(left_type[LBOT])) {
2532 110556 nnz_cache[3 + 8 * 3] =
2533 110556 nnz_cache[3 + 8 * 4] = (h->cbp_table[left_xy[LBOT]] & 0x8000) >> 12; // FIXME check MBAFF
2534 }
2535
2536
2/2
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✓ Branch 1 taken 141589 times.
246512 if (IS_8x8DCT(mb_type)) {
2537 104923 nnz_cache[scan8[0]] =
2538 104923 nnz_cache[scan8[1]] =
2539 104923 nnz_cache[scan8[2]] =
2540 104923 nnz_cache[scan8[3]] = (sl->cbp & 0x1000) >> 12;
2541
2542 104923 nnz_cache[scan8[0 + 4]] =
2543 104923 nnz_cache[scan8[1 + 4]] =
2544 104923 nnz_cache[scan8[2 + 4]] =
2545 104923 nnz_cache[scan8[3 + 4]] = (sl->cbp & 0x2000) >> 12;
2546
2547 104923 nnz_cache[scan8[0 + 8]] =
2548 104923 nnz_cache[scan8[1 + 8]] =
2549 104923 nnz_cache[scan8[2 + 8]] =
2550 104923 nnz_cache[scan8[3 + 8]] = (sl->cbp & 0x4000) >> 12;
2551
2552 104923 nnz_cache[scan8[0 + 12]] =
2553 104923 nnz_cache[scan8[1 + 12]] =
2554 104923 nnz_cache[scan8[2 + 12]] =
2555 104923 nnz_cache[scan8[3 + 12]] = (sl->cbp & 0x8000) >> 12;
2556 }
2557 }
2558
2559 7521791 return 0;
2560 }
2561
2562 366768 static void loop_filter(const H264Context *h, H264SliceContext *sl, int start_x, int end_x)
2563 {
2564 uint8_t *dest_y, *dest_cb, *dest_cr;
2565 int linesize, uvlinesize, mb_x, mb_y;
2566 366768 const int end_mb_y = sl->mb_y + FRAME_MBAFF(h);
2567 366768 const int old_slice_type = sl->slice_type;
2568 366768 const int pixel_shift = h->pixel_shift;
2569 366768 const int block_h = 16 >> h->chroma_y_shift;
2570
2571
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 366768 times.
366768 if (h->postpone_filter)
2572 return;
2573
2574
2/2
✓ Branch 0 taken 296670 times.
✓ Branch 1 taken 70098 times.
366768 if (sl->deblocking_filter) {
2575
2/2
✓ Branch 0 taken 10702035 times.
✓ Branch 1 taken 296670 times.
10998705 for (mb_x = start_x; mb_x < end_x; mb_x++)
2576
2/2
✓ 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++) {
2577 int mb_xy, mb_type;
2578 11609103 mb_xy = sl->mb_xy = mb_x + mb_y * h->mb_stride;
2579 11609103 mb_type = h->cur_pic.mb_type[mb_xy];
2580
2581
2/2
✓ Branch 0 taken 1814136 times.
✓ Branch 1 taken 9794967 times.
11609103 if (FRAME_MBAFF(h))
2582 1814136 sl->mb_mbaff =
2583 1814136 sl->mb_field_decoding_flag = !!IS_INTERLACED(mb_type);
2584
2585 11609103 sl->mb_x = mb_x;
2586 11609103 sl->mb_y = mb_y;
2587 11609103 dest_y = h->cur_pic.f->data[0] +
2588 11609103 ((mb_x << pixel_shift) + mb_y * sl->linesize) * 16;
2589 23218206 dest_cb = h->cur_pic.f->data[1] +
2590
2/2
✓ Branch 0 taken 80328 times.
✓ Branch 1 taken 11528775 times.
11609103 (mb_x << pixel_shift) * (8 << CHROMA444(h)) +
2591 11609103 mb_y * sl->uvlinesize * block_h;
2592 23218206 dest_cr = h->cur_pic.f->data[2] +
2593
2/2
✓ Branch 0 taken 80328 times.
✓ Branch 1 taken 11528775 times.
11609103 (mb_x << pixel_shift) * (8 << CHROMA444(h)) +
2594 11609103 mb_y * sl->uvlinesize * block_h;
2595 // FIXME simplify above
2596
2597
2/2
✓ Branch 0 taken 4418472 times.
✓ Branch 1 taken 7190631 times.
11609103 if (MB_FIELD(sl)) {
2598 4418472 linesize = sl->mb_linesize = sl->linesize * 2;
2599 4418472 uvlinesize = sl->mb_uvlinesize = sl->uvlinesize * 2;
2600
2/2
✓ Branch 0 taken 2206497 times.
✓ Branch 1 taken 2211975 times.
4418472 if (mb_y & 1) { // FIXME move out of this function?
2601 2206497 dest_y -= sl->linesize * 15;
2602 2206497 dest_cb -= sl->uvlinesize * (block_h - 1);
2603 2206497 dest_cr -= sl->uvlinesize * (block_h - 1);
2604 }
2605 } else {
2606 7190631 linesize = sl->mb_linesize = sl->linesize;
2607 7190631 uvlinesize = sl->mb_uvlinesize = sl->uvlinesize;
2608 }
2609 11609103 backup_mb_border(h, sl, dest_y, dest_cb, dest_cr, linesize,
2610 uvlinesize, 0);
2611
2/2
✓ Branch 1 taken 1196396 times.
✓ Branch 2 taken 10412707 times.
11609103 if (fill_filter_caches(h, sl, mb_type))
2612 1196396 continue;
2613 10412707 sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, h->cur_pic.qscale_table[mb_xy]);
2614 10412707 sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, h->cur_pic.qscale_table[mb_xy]);
2615
2616
2/2
✓ Branch 0 taken 1608490 times.
✓ Branch 1 taken 8804217 times.
10412707 if (FRAME_MBAFF(h)) {
2617 1608490 ff_h264_filter_mb(h, sl, mb_x, mb_y, dest_y, dest_cb, dest_cr,
2618 linesize, uvlinesize);
2619 } else {
2620 8804217 ff_h264_filter_mb_fast(h, sl, mb_x, mb_y, dest_y, dest_cb,
2621 dest_cr, linesize, uvlinesize);
2622 }
2623 }
2624 }
2625 366768 sl->slice_type = old_slice_type;
2626 366768 sl->mb_x = end_x;
2627 366768 sl->mb_y = end_mb_y - FRAME_MBAFF(h);
2628 366768 sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale);
2629 366768 sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale);
2630 }
2631
2632 22884 static void predict_field_decoding_flag(const H264Context *h, H264SliceContext *sl)
2633 {
2634 22884 const int mb_xy = sl->mb_x + sl->mb_y * h->mb_stride;
2635 45768 int mb_type = (h->slice_table[mb_xy - 1] == sl->slice_num) ?
2636
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 22884 times.
45768 h->cur_pic.mb_type[mb_xy - 1] :
2637
2/2
✓ Branch 0 taken 22748 times.
✓ Branch 1 taken 136 times.
22884 (h->slice_table[mb_xy - h->mb_stride] == sl->slice_num) ?
2638 22748 h->cur_pic.mb_type[mb_xy - h->mb_stride] : 0;
2639 22884 sl->mb_mbaff = sl->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0;
2640 22884 }
2641
2642 /**
2643 * Draw edges and report progress for the last MB row.
2644 */
2645 362673 static void decode_finish_row(const H264Context *h, H264SliceContext *sl)
2646 {
2647 362673 int top = 16 * (sl->mb_y >> FIELD_PICTURE(h));
2648 362673 int pic_height = 16 * h->mb_height >> FIELD_PICTURE(h);
2649 362673 int height = 16 << FRAME_MBAFF(h);
2650 362673 int deblock_border = (16 + 4) << FRAME_MBAFF(h);
2651
2652
2/2
✓ Branch 0 taken 293587 times.
✓ Branch 1 taken 69086 times.
362673 if (sl->deblocking_filter) {
2653
2/2
✓ Branch 0 taken 20530 times.
✓ Branch 1 taken 273057 times.
293587 if ((top + height) >= pic_height)
2654 20530 height += deblock_border;
2655 293587 top -= deblock_border;
2656 }
2657
2658
3/4
✓ Branch 0 taken 362673 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 20531 times.
✓ Branch 3 taken 342142 times.
362673 if (top >= pic_height || (top + height) < 0)
2659 20531 return;
2660
2661 342142 height = FFMIN(height, pic_height - top);
2662
2/2
✓ Branch 0 taken 20531 times.
✓ Branch 1 taken 321611 times.
342142 if (top < 0) {
2663 20531 height = top + height;
2664 20531 top = 0;
2665 }
2666
2667 342142 ff_h264_draw_horiz_band(h, sl, top, height);
2668
2669
3/4
✓ Branch 0 taken 219371 times.
✓ Branch 1 taken 122771 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 219371 times.
342142 if (h->droppable || sl->h264->slice_ctx[0].er.error_occurred)
2670 122771 return;
2671
2672 219371 ff_thread_report_progress(&h->cur_pic_ptr->tf, top + height - 1,
2673 219371 h->picture_structure == PICT_BOTTOM_FIELD);
2674 }
2675
2676 34294 static void er_add_slice(H264SliceContext *sl,
2677 int startx, int starty,
2678 int endx, int endy, int status)
2679 {
2680
2/2
✓ Branch 0 taken 1200 times.
✓ Branch 1 taken 33094 times.
34294 if (!sl->h264->enable_er)
2681 1200 return;
2682
2683 if (CONFIG_ERROR_RESILIENCE) {
2684 33094 ERContext *er = &sl->h264->slice_ctx[0].er;
2685
2686 33094 ff_er_add_slice(er, startx, starty, endx, endy, status);
2687 }
2688 }
2689
2690 34294 static int decode_slice(struct AVCodecContext *avctx, void *arg)
2691 {
2692 34294 H264SliceContext *sl = arg;
2693 34294 const H264Context *h = sl->h264;
2694 34294 int lf_x_start = sl->mb_x;
2695 34294 int orig_deblock = sl->deblocking_filter;
2696 int ret;
2697
2698 34294 sl->linesize = h->cur_pic_ptr->f->linesize[0];
2699 34294 sl->uvlinesize = h->cur_pic_ptr->f->linesize[1];
2700
2701 34294 ret = alloc_scratch_buffers(sl, sl->linesize);
2702
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34294 times.
34294 if (ret < 0)
2703 return ret;
2704
2705 34294 sl->mb_skip_run = -1;
2706
2707
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34294 times.
34294 av_assert0(h->block_offset[15] == (4 * ((scan8[15] - scan8[0]) & 7) << h->pixel_shift) + 4 * sl->linesize * ((scan8[15] - scan8[0]) >> 3));
2708
2709
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34294 times.
34294 if (h->postpone_filter)
2710 sl->deblocking_filter = 0;
2711
2712
4/4
✓ Branch 0 taken 29526 times.
✓ Branch 1 taken 4768 times.
✓ Branch 2 taken 8596 times.
✓ Branch 3 taken 20930 times.
34294 sl->is_complex = FRAME_MBAFF(h) || h->picture_structure != PICT_FRAME ||
2713 (CONFIG_GRAY && (h->flags & AV_CODEC_FLAG_GRAY));
2714
2715
5/6
✓ Branch 0 taken 33094 times.
✓ Branch 1 taken 1200 times.
✓ Branch 2 taken 24498 times.
✓ Branch 3 taken 8596 times.
✓ Branch 4 taken 24498 times.
✗ Branch 5 not taken.
34294 if (!(h->avctx->active_thread_type & FF_THREAD_SLICE) && h->picture_structure == PICT_FRAME && h->slice_ctx[0].er.error_status_table) {
2716 24498 const int start_i = av_clip(sl->resync_mb_x + sl->resync_mb_y * h->mb_width, 0, h->mb_num - 1);
2717
2/2
✓ Branch 0 taken 5278 times.
✓ Branch 1 taken 19220 times.
24498 if (start_i) {
2718 5278 int prev_status = h->slice_ctx[0].er.error_status_table[h->slice_ctx[0].er.mb_index2xy[start_i - 1]];
2719 5278 prev_status &= ~ VP_START;
2720
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 5278 times.
5278 if (prev_status != (ER_MV_END | ER_DC_END | ER_AC_END))
2721 h->slice_ctx[0].er.error_occurred = 1;
2722 }
2723 }
2724
2725
2/2
✓ Branch 0 taken 18371 times.
✓ Branch 1 taken 15923 times.
34294 if (h->ps.pps->cabac) {
2726 /* realign */
2727 18371 align_get_bits(&sl->gb);
2728
2729 /* init cabac */
2730 36742 ret = ff_init_cabac_decoder(&sl->cabac,
2731 18371 sl->gb.buffer + get_bits_count(&sl->gb) / 8,
2732 18371 (get_bits_left(&sl->gb) + 7) / 8);
2733
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 18371 times.
18371 if (ret < 0)
2734 return ret;
2735
2736 18371 ff_h264_init_cabac_states(h, sl);
2737
2738 8550828 for (;;) {
2739 int ret, eos;
2740
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8569199 times.
8569199 if (sl->mb_x + sl->mb_y * h->mb_width >= sl->next_slice_idx) {
2741 av_log(h->avctx, AV_LOG_ERROR, "Slice overlaps with next at %d\n",
2742 sl->next_slice_idx);
2743 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2744 sl->mb_y, ER_MB_ERROR);
2745 return AVERROR_INVALIDDATA;
2746 }
2747
2748 8569199 ret = ff_h264_decode_mb_cabac(h, sl);
2749
2750
2/2
✓ Branch 0 taken 8569198 times.
✓ Branch 1 taken 1 times.
8569199 if (ret >= 0)
2751 8569198 ff_h264_hl_decode_mb(h, sl);
2752
2753 // FIXME optimal? or let mb_decode decode 16x32 ?
2754
4/4
✓ Branch 0 taken 8569198 times.
✓ Branch 1 taken 1 times.
✓ Branch 2 taken 798720 times.
✓ Branch 3 taken 7770478 times.
8569199 if (ret >= 0 && FRAME_MBAFF(h)) {
2755 798720 sl->mb_y++;
2756
2757 798720 ret = ff_h264_decode_mb_cabac(h, sl);
2758
2759
1/2
✓ Branch 0 taken 798720 times.
✗ Branch 1 not taken.
798720 if (ret >= 0)
2760 798720 ff_h264_hl_decode_mb(h, sl);
2761 798720 sl->mb_y--;
2762 }
2763 8569199 eos = get_cabac_terminate(&sl->cabac);
2764
2765
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8569199 times.
8569199 if ((h->workaround_bugs & FF_BUG_TRUNCATED) &&
2766 sl->cabac.bytestream > sl->cabac.bytestream_end + 2) {
2767 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x - 1,
2768 sl->mb_y, ER_MB_END);
2769 if (sl->mb_x >= lf_x_start)
2770 loop_filter(h, sl, lf_x_start, sl->mb_x + 1);
2771 goto finish;
2772 }
2773
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 8569198 times.
8569199 if (sl->cabac.bytestream > sl->cabac.bytestream_end + 2 )
2774 1 av_log(h->avctx, AV_LOG_DEBUG, "bytestream overread %"PTRDIFF_SPECIFIER"\n", sl->cabac.bytestream_end - sl->cabac.bytestream);
2775
4/4
✓ Branch 0 taken 8569198 times.
✓ Branch 1 taken 1 times.
✓ Branch 2 taken 1 times.
✓ Branch 3 taken 8569197 times.
8569199 if (ret < 0 || sl->cabac.bytestream > sl->cabac.bytestream_end + 4) {
2776 2 av_log(h->avctx, AV_LOG_ERROR,
2777 "error while decoding MB %d %d, bytestream %"PTRDIFF_SPECIFIER"\n",
2778 sl->mb_x, sl->mb_y,
2779 2 sl->cabac.bytestream_end - sl->cabac.bytestream);
2780 2 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2781 sl->mb_y, ER_MB_ERROR);
2782 2 return AVERROR_INVALIDDATA;
2783 }
2784
2785
2/2
✓ Branch 0 taken 210044 times.
✓ Branch 1 taken 8359153 times.
8569197 if (++sl->mb_x >= h->mb_width) {
2786 210044 loop_filter(h, sl, lf_x_start, sl->mb_x);
2787 210044 sl->mb_x = lf_x_start = 0;
2788 210044 decode_finish_row(h, sl);
2789 210044 ++sl->mb_y;
2790
4/4
✓ Branch 0 taken 190350 times.
✓ Branch 1 taken 19694 times.
✓ Branch 2 taken 57134 times.
✓ Branch 3 taken 133216 times.
210044 if (FIELD_OR_MBAFF_PICTURE(h)) {
2791 76828 ++sl->mb_y;
2792
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)
2793 17906 predict_field_decoding_flag(h, sl);
2794 }
2795 }
2796
2797
3/4
✓ Branch 0 taken 8550828 times.
✓ Branch 1 taken 18369 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 8550828 times.
8569197 if (eos || sl->mb_y >= h->mb_height) {
2798 ff_tlog(h->avctx, "slice end %d %d\n",
2799 get_bits_count(&sl->gb), sl->gb.size_in_bits);
2800 18369 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x - 1,
2801 sl->mb_y, ER_MB_END);
2802
2/2
✓ Branch 0 taken 1382 times.
✓ Branch 1 taken 16987 times.
18369 if (sl->mb_x > lf_x_start)
2803 1382 loop_filter(h, sl, lf_x_start, sl->mb_x);
2804 18369 goto finish;
2805 }
2806 }
2807 } else {
2808 4076548 for (;;) {
2809 int ret;
2810
2811
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) {
2812 av_log(h->avctx, AV_LOG_ERROR, "Slice overlaps with next at %d\n",
2813 sl->next_slice_idx);
2814 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2815 sl->mb_y, ER_MB_ERROR);
2816 return AVERROR_INVALIDDATA;
2817 }
2818
2819 4092471 ret = ff_h264_decode_mb_cavlc(h, sl);
2820
2821
1/2
✓ Branch 0 taken 4092471 times.
✗ Branch 1 not taken.
4092471 if (ret >= 0)
2822 4092471 ff_h264_hl_decode_mb(h, sl);
2823
2824 // FIXME optimal? or let mb_decode decode 16x32 ?
2825
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)) {
2826 254472 sl->mb_y++;
2827 254472 ret = ff_h264_decode_mb_cavlc(h, sl);
2828
2829
1/2
✓ Branch 0 taken 254472 times.
✗ Branch 1 not taken.
254472 if (ret >= 0)
2830 254472 ff_h264_hl_decode_mb(h, sl);
2831 254472 sl->mb_y--;
2832 }
2833
2834
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4092471 times.
4092471 if (ret < 0) {
2835 av_log(h->avctx, AV_LOG_ERROR,
2836 "error while decoding MB %d %d\n", sl->mb_x, sl->mb_y);
2837 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2838 sl->mb_y, ER_MB_ERROR);
2839 return ret;
2840 }
2841
2842
2/2
✓ Branch 0 taken 152629 times.
✓ Branch 1 taken 3939842 times.
4092471 if (++sl->mb_x >= h->mb_width) {
2843 152629 loop_filter(h, sl, lf_x_start, sl->mb_x);
2844 152629 sl->mb_x = lf_x_start = 0;
2845 152629 decode_finish_row(h, sl);
2846 152629 ++sl->mb_y;
2847
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)) {
2848 32143 ++sl->mb_y;
2849
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)
2850 4978 predict_field_decoding_flag(h, sl);
2851 }
2852
2/2
✓ Branch 0 taken 12346 times.
✓ Branch 1 taken 140283 times.
152629 if (sl->mb_y >= h->mb_height) {
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 not taken.
✓ Branch 2 taken 12346 times.
12346 if ( get_bits_left(&sl->gb) == 0
2857 || get_bits_left(&sl->gb) > 0 && !(h->avctx->err_recognition & AV_EF_AGGRESSIVE)) {
2858 12346 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
2859 12346 sl->mb_x - 1, sl->mb_y, ER_MB_END);
2860
2861 12346 goto finish;
2862 } else {
2863 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
2864 sl->mb_x, sl->mb_y, ER_MB_END);
2865
2866 return AVERROR_INVALIDDATA;
2867 }
2868 }
2869 }
2870
2871
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) {
2872 ff_tlog(h->avctx, "slice end %d %d\n",
2873 get_bits_count(&sl->gb), sl->gb.size_in_bits);
2874
2875
1/2
✓ Branch 1 taken 3577 times.
✗ Branch 2 not taken.
3577 if (get_bits_left(&sl->gb) == 0) {
2876 3577 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
2877 3577 sl->mb_x - 1, sl->mb_y, ER_MB_END);
2878
2/2
✓ Branch 0 taken 2713 times.
✓ Branch 1 taken 864 times.
3577 if (sl->mb_x > lf_x_start)
2879 2713 loop_filter(h, sl, lf_x_start, sl->mb_x);
2880
2881 3577 goto finish;
2882 } else {
2883 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2884 sl->mb_y, ER_MB_ERROR);
2885
2886 return AVERROR_INVALIDDATA;
2887 }
2888 }
2889 }
2890 }
2891
2892 34292 finish:
2893 34292 sl->deblocking_filter = orig_deblock;
2894 34292 return 0;
2895 }
2896
2897 /**
2898 * Call decode_slice() for each context.
2899 *
2900 * @param h h264 master context
2901 */
2902 60661 int ff_h264_execute_decode_slices(H264Context *h)
2903 {
2904 60661 AVCodecContext *const avctx = h->avctx;
2905 H264SliceContext *sl;
2906 60661 int context_count = h->nb_slice_ctx_queued;
2907 60661 int ret = 0;
2908 int i, j;
2909
2910 60661 h->slice_ctx[0].next_slice_idx = INT_MAX;
2911
2912
3/4
✓ Branch 0 taken 60661 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 26817 times.
✓ Branch 3 taken 33844 times.
60661 if (h->avctx->hwaccel || context_count < 1)
2913 26817 return 0;
2914
2915
2/4
✓ Branch 0 taken 33844 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 33844 times.
33844 av_assert0(context_count && h->slice_ctx[context_count - 1].mb_y < h->mb_height);
2916
2917
2/2
✓ Branch 0 taken 33394 times.
✓ Branch 1 taken 450 times.
33844 if (context_count == 1) {
2918
2919 33394 h->slice_ctx[0].next_slice_idx = h->mb_width * h->mb_height;
2920 33394 h->postpone_filter = 0;
2921
2922 33394 ret = decode_slice(avctx, &h->slice_ctx[0]);
2923 33394 h->mb_y = h->slice_ctx[0].mb_y;
2924
2/2
✓ Branch 0 taken 2 times.
✓ Branch 1 taken 33392 times.
33394 if (ret < 0)
2925 2 goto finish;
2926 } else {
2927
1/2
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450 av_assert0(context_count > 0);
2928
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1350 for (i = 0; i < context_count; i++) {
2929 900 int next_slice_idx = h->mb_width * h->mb_height;
2930 int slice_idx;
2931
2932 900 sl = &h->slice_ctx[i];
2933 if (CONFIG_ERROR_RESILIENCE) {
2934 900 sl->er.error_count = 0;
2935 }
2936
2937 /* make sure none of those slices overlap */
2938 900 slice_idx = sl->mb_y * h->mb_width + sl->mb_x;
2939
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2700 for (j = 0; j < context_count; j++) {
2940 1800 H264SliceContext *sl2 = &h->slice_ctx[j];
2941 1800 int slice_idx2 = sl2->mb_y * h->mb_width + sl2->mb_x;
2942
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1800 if (i == j || slice_idx2 < slice_idx)
2944 1350 continue;
2945 450 next_slice_idx = FFMIN(next_slice_idx, slice_idx2);
2946 }
2947 900 sl->next_slice_idx = next_slice_idx;
2948 }
2949
2950 450 avctx->execute(avctx, decode_slice, h->slice_ctx,
2951 NULL, context_count, sizeof(h->slice_ctx[0]));
2952
2953 /* pull back stuff from slices to master context */
2954 450 sl = &h->slice_ctx[context_count - 1];
2955 450 h->mb_y = sl->mb_y;
2956 if (CONFIG_ERROR_RESILIENCE) {
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900 for (i = 1; i < context_count; i++)
2958 450 h->slice_ctx[0].er.error_count += h->slice_ctx[i].er.error_count;
2959 }
2960
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450 if (h->postpone_filter) {
2962 h->postpone_filter = 0;
2963
2964 for (i = 0; i < context_count; i++) {
2965 int y_end, x_end;
2966
2967 sl = &h->slice_ctx[i];
2968 y_end = FFMIN(sl->mb_y + 1, h->mb_height);
2969 x_end = (sl->mb_y >= h->mb_height) ? h->mb_width : sl->mb_x;
2970
2971 for (j = sl->resync_mb_y; j < y_end; j += 1 + FIELD_OR_MBAFF_PICTURE(h)) {
2972 sl->mb_y = j;
2973 loop_filter(h, sl, j > sl->resync_mb_y ? 0 : sl->resync_mb_x,
2974 j == y_end - 1 ? x_end : h->mb_width);
2975 }
2976 }
2977 }
2978 }
2979
2980 450 finish:
2981 33844 h->nb_slice_ctx_queued = 0;
2982 33844 return ret;
2983 }
2984