FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/h264_slice.c
Date: 2022-07-04 00:18:54
Exec Total Coverage
Lines: 1385 1776 78.0%
Branches: 918 1317 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 "config_components.h"
29
30 #include "libavutil/avassert.h"
31 #include "libavutil/display.h"
32 #include "libavutil/film_grain_params.h"
33 #include "libavutil/pixdesc.h"
34 #include "libavutil/stereo3d.h"
35 #include "libavutil/timecode.h"
36 #include "internal.h"
37 #include "cabac.h"
38 #include "cabac_functions.h"
39 #include "error_resilience.h"
40 #include "avcodec.h"
41 #include "h264.h"
42 #include "h264dec.h"
43 #include "h264data.h"
44 #include "h264chroma.h"
45 #include "h264_ps.h"
46 #include "golomb.h"
47 #include "mathops.h"
48 #include "mpegutils.h"
49 #include "rectangle.h"
50 #include "thread.h"
51 #include "threadframe.h"
52
53 static const uint8_t field_scan[16+1] = {
54 0 + 0 * 4, 0 + 1 * 4, 1 + 0 * 4, 0 + 2 * 4,
55 0 + 3 * 4, 1 + 1 * 4, 1 + 2 * 4, 1 + 3 * 4,
56 2 + 0 * 4, 2 + 1 * 4, 2 + 2 * 4, 2 + 3 * 4,
57 3 + 0 * 4, 3 + 1 * 4, 3 + 2 * 4, 3 + 3 * 4,
58 };
59
60 static const uint8_t field_scan8x8[64+1] = {
61 0 + 0 * 8, 0 + 1 * 8, 0 + 2 * 8, 1 + 0 * 8,
62 1 + 1 * 8, 0 + 3 * 8, 0 + 4 * 8, 1 + 2 * 8,
63 2 + 0 * 8, 1 + 3 * 8, 0 + 5 * 8, 0 + 6 * 8,
64 0 + 7 * 8, 1 + 4 * 8, 2 + 1 * 8, 3 + 0 * 8,
65 2 + 2 * 8, 1 + 5 * 8, 1 + 6 * 8, 1 + 7 * 8,
66 2 + 3 * 8, 3 + 1 * 8, 4 + 0 * 8, 3 + 2 * 8,
67 2 + 4 * 8, 2 + 5 * 8, 2 + 6 * 8, 2 + 7 * 8,
68 3 + 3 * 8, 4 + 1 * 8, 5 + 0 * 8, 4 + 2 * 8,
69 3 + 4 * 8, 3 + 5 * 8, 3 + 6 * 8, 3 + 7 * 8,
70 4 + 3 * 8, 5 + 1 * 8, 6 + 0 * 8, 5 + 2 * 8,
71 4 + 4 * 8, 4 + 5 * 8, 4 + 6 * 8, 4 + 7 * 8,
72 5 + 3 * 8, 6 + 1 * 8, 6 + 2 * 8, 5 + 4 * 8,
73 5 + 5 * 8, 5 + 6 * 8, 5 + 7 * 8, 6 + 3 * 8,
74 7 + 0 * 8, 7 + 1 * 8, 6 + 4 * 8, 6 + 5 * 8,
75 6 + 6 * 8, 6 + 7 * 8, 7 + 2 * 8, 7 + 3 * 8,
76 7 + 4 * 8, 7 + 5 * 8, 7 + 6 * 8, 7 + 7 * 8,
77 };
78
79 static const uint8_t field_scan8x8_cavlc[64+1] = {
80 0 + 0 * 8, 1 + 1 * 8, 2 + 0 * 8, 0 + 7 * 8,
81 2 + 2 * 8, 2 + 3 * 8, 2 + 4 * 8, 3 + 3 * 8,
82 3 + 4 * 8, 4 + 3 * 8, 4 + 4 * 8, 5 + 3 * 8,
83 5 + 5 * 8, 7 + 0 * 8, 6 + 6 * 8, 7 + 4 * 8,
84 0 + 1 * 8, 0 + 3 * 8, 1 + 3 * 8, 1 + 4 * 8,
85 1 + 5 * 8, 3 + 1 * 8, 2 + 5 * 8, 4 + 1 * 8,
86 3 + 5 * 8, 5 + 1 * 8, 4 + 5 * 8, 6 + 1 * 8,
87 5 + 6 * 8, 7 + 1 * 8, 6 + 7 * 8, 7 + 5 * 8,
88 0 + 2 * 8, 0 + 4 * 8, 0 + 5 * 8, 2 + 1 * 8,
89 1 + 6 * 8, 4 + 0 * 8, 2 + 6 * 8, 5 + 0 * 8,
90 3 + 6 * 8, 6 + 0 * 8, 4 + 6 * 8, 6 + 2 * 8,
91 5 + 7 * 8, 6 + 4 * 8, 7 + 2 * 8, 7 + 6 * 8,
92 1 + 0 * 8, 1 + 2 * 8, 0 + 6 * 8, 3 + 0 * 8,
93 1 + 7 * 8, 3 + 2 * 8, 2 + 7 * 8, 4 + 2 * 8,
94 3 + 7 * 8, 5 + 2 * 8, 4 + 7 * 8, 5 + 4 * 8,
95 6 + 3 * 8, 6 + 5 * 8, 7 + 3 * 8, 7 + 7 * 8,
96 };
97
98 // zigzag_scan8x8_cavlc[i] = zigzag_scan8x8[(i/4) + 16*(i%4)]
99 static const uint8_t zigzag_scan8x8_cavlc[64+1] = {
100 0 + 0 * 8, 1 + 1 * 8, 1 + 2 * 8, 2 + 2 * 8,
101 4 + 1 * 8, 0 + 5 * 8, 3 + 3 * 8, 7 + 0 * 8,
102 3 + 4 * 8, 1 + 7 * 8, 5 + 3 * 8, 6 + 3 * 8,
103 2 + 7 * 8, 6 + 4 * 8, 5 + 6 * 8, 7 + 5 * 8,
104 1 + 0 * 8, 2 + 0 * 8, 0 + 3 * 8, 3 + 1 * 8,
105 3 + 2 * 8, 0 + 6 * 8, 4 + 2 * 8, 6 + 1 * 8,
106 2 + 5 * 8, 2 + 6 * 8, 6 + 2 * 8, 5 + 4 * 8,
107 3 + 7 * 8, 7 + 3 * 8, 4 + 7 * 8, 7 + 6 * 8,
108 0 + 1 * 8, 3 + 0 * 8, 0 + 4 * 8, 4 + 0 * 8,
109 2 + 3 * 8, 1 + 5 * 8, 5 + 1 * 8, 5 + 2 * 8,
110 1 + 6 * 8, 3 + 5 * 8, 7 + 1 * 8, 4 + 5 * 8,
111 4 + 6 * 8, 7 + 4 * 8, 5 + 7 * 8, 6 + 7 * 8,
112 0 + 2 * 8, 2 + 1 * 8, 1 + 3 * 8, 5 + 0 * 8,
113 1 + 4 * 8, 2 + 4 * 8, 6 + 0 * 8, 4 + 3 * 8,
114 0 + 7 * 8, 4 + 4 * 8, 7 + 2 * 8, 3 + 6 * 8,
115 5 + 5 * 8, 6 + 5 * 8, 6 + 6 * 8, 7 + 7 * 8,
116 };
117
118 26989 static void release_unused_pictures(H264Context *h, int remove_current)
119 {
120 int i;
121
122 /* release non reference frames */
123
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998593 for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
124
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971604 if (h->DPB[i].f->buf[0] && !h->DPB[i].reference &&
125
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2589 (remove_current || &h->DPB[i] != h->cur_pic_ptr)) {
126 21611 ff_h264_unref_picture(h, &h->DPB[i]);
127 }
128 }
129 26989 }
130
131 34401 static int alloc_scratch_buffers(H264SliceContext *sl, int linesize)
132 {
133 34401 const H264Context *h = sl->h264;
134 34401 int alloc_size = FFALIGN(FFABS(linesize) + 32, 32);
135
136 34401 av_fast_malloc(&sl->bipred_scratchpad, &sl->bipred_scratchpad_allocated, 16 * 6 * alloc_size);
137 // edge emu needs blocksize + filter length - 1
138 // (= 21x21 for H.264)
139 34401 av_fast_malloc(&sl->edge_emu_buffer, &sl->edge_emu_buffer_allocated, alloc_size * 2 * 21);
140
141 34401 av_fast_mallocz(&sl->top_borders[0], &sl->top_borders_allocated[0],
142 34401 h->mb_width * 16 * 3 * sizeof(uint8_t) * 2);
143 34401 av_fast_mallocz(&sl->top_borders[1], &sl->top_borders_allocated[1],
144 34401 h->mb_width * 16 * 3 * sizeof(uint8_t) * 2);
145
146
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34401 if (!sl->bipred_scratchpad || !sl->edge_emu_buffer ||
147
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34401 !sl->top_borders[0] || !sl->top_borders[1]) {
148 av_freep(&sl->bipred_scratchpad);
149 av_freep(&sl->edge_emu_buffer);
150 av_freep(&sl->top_borders[0]);
151 av_freep(&sl->top_borders[1]);
152
153 sl->bipred_scratchpad_allocated = 0;
154 sl->edge_emu_buffer_allocated = 0;
155 sl->top_borders_allocated[0] = 0;
156 sl->top_borders_allocated[1] = 0;
157 return AVERROR(ENOMEM);
158 }
159
160 34401 return 0;
161 }
162
163 550 static int init_table_pools(H264Context *h)
164 {
165 550 const int big_mb_num = h->mb_stride * (h->mb_height + 1) + 1;
166 550 const int mb_array_size = h->mb_stride * h->mb_height;
167 550 const int b4_stride = h->mb_width * 4 + 1;
168 550 const int b4_array_size = b4_stride * h->mb_height * 4;
169
170 550 h->qscale_table_pool = av_buffer_pool_init(big_mb_num + h->mb_stride,
171 av_buffer_allocz);
172 550 h->mb_type_pool = av_buffer_pool_init((big_mb_num + h->mb_stride) *
173 sizeof(uint32_t), av_buffer_allocz);
174 550 h->motion_val_pool = av_buffer_pool_init(2 * (b4_array_size + 4) *
175 sizeof(int16_t), av_buffer_allocz);
176 550 h->ref_index_pool = av_buffer_pool_init(4 * mb_array_size, av_buffer_allocz);
177
178
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550 if (!h->qscale_table_pool || !h->mb_type_pool || !h->motion_val_pool ||
179
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550 !h->ref_index_pool) {
180 av_buffer_pool_uninit(&h->qscale_table_pool);
181 av_buffer_pool_uninit(&h->mb_type_pool);
182 av_buffer_pool_uninit(&h->motion_val_pool);
183 av_buffer_pool_uninit(&h->ref_index_pool);
184 return AVERROR(ENOMEM);
185 }
186
187 550 return 0;
188 }
189
190 23657 static int alloc_picture(H264Context *h, H264Picture *pic)
191 {
192 23657 int i, ret = 0;
193
194
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23657 av_assert0(!pic->f->data[0]);
195
196 23657 pic->tf.f = pic->f;
197 23657 ret = ff_thread_get_ext_buffer(h->avctx, &pic->tf,
198 23657 pic->reference ? AV_GET_BUFFER_FLAG_REF : 0);
199
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23657 if (ret < 0)
200 goto fail;
201
202
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23657 if (pic->needs_fg) {
203 pic->f_grain->format = pic->f->format;
204 pic->f_grain->width = pic->f->width;
205 pic->f_grain->height = pic->f->height;
206 ret = ff_thread_get_buffer(h->avctx, pic->f_grain, 0);
207 if (ret < 0)
208 goto fail;
209 }
210
211
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23657 if (h->avctx->hwaccel) {
212 const AVHWAccel *hwaccel = h->avctx->hwaccel;
213 av_assert0(!pic->hwaccel_picture_private);
214 if (hwaccel->frame_priv_data_size) {
215 pic->hwaccel_priv_buf = av_buffer_allocz(hwaccel->frame_priv_data_size);
216 if (!pic->hwaccel_priv_buf)
217 return AVERROR(ENOMEM);
218 pic->hwaccel_picture_private = pic->hwaccel_priv_buf->data;
219 }
220 }
221 if (CONFIG_GRAY && !h->avctx->hwaccel && h->flags & AV_CODEC_FLAG_GRAY && pic->f->data[2]) {
222 int h_chroma_shift, v_chroma_shift;
223 av_pix_fmt_get_chroma_sub_sample(pic->f->format,
224 &h_chroma_shift, &v_chroma_shift);
225
226 for(i=0; i<AV_CEIL_RSHIFT(pic->f->height, v_chroma_shift); i++) {
227 memset(pic->f->data[1] + pic->f->linesize[1]*i,
228 0x80, AV_CEIL_RSHIFT(pic->f->width, h_chroma_shift));
229 memset(pic->f->data[2] + pic->f->linesize[2]*i,
230 0x80, AV_CEIL_RSHIFT(pic->f->width, h_chroma_shift));
231 }
232 }
233
234
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23657 if (!h->qscale_table_pool) {
235 550 ret = init_table_pools(h);
236
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550 if (ret < 0)
237 goto fail;
238 }
239
240 23657 pic->qscale_table_buf = av_buffer_pool_get(h->qscale_table_pool);
241 23657 pic->mb_type_buf = av_buffer_pool_get(h->mb_type_pool);
242
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23657 if (!pic->qscale_table_buf || !pic->mb_type_buf)
243 goto fail;
244
245 23657 pic->mb_type = (uint32_t*)pic->mb_type_buf->data + 2 * h->mb_stride + 1;
246 23657 pic->qscale_table = pic->qscale_table_buf->data + 2 * h->mb_stride + 1;
247
248
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70971 for (i = 0; i < 2; i++) {
249 47314 pic->motion_val_buf[i] = av_buffer_pool_get(h->motion_val_pool);
250 47314 pic->ref_index_buf[i] = av_buffer_pool_get(h->ref_index_pool);
251
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47314 if (!pic->motion_val_buf[i] || !pic->ref_index_buf[i])
252 goto fail;
253
254 47314 pic->motion_val[i] = (int16_t (*)[2])pic->motion_val_buf[i]->data + 4;
255 47314 pic->ref_index[i] = pic->ref_index_buf[i]->data;
256 }
257
258 23657 pic->pps_buf = av_buffer_ref(h->ps.pps_ref);
259
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23657 if (!pic->pps_buf)
260 goto fail;
261 23657 pic->pps = (const PPS*)pic->pps_buf->data;
262
263 23657 pic->mb_width = h->mb_width;
264 23657 pic->mb_height = h->mb_height;
265 23657 pic->mb_stride = h->mb_stride;
266
267 23657 return 0;
268 fail:
269 ff_h264_unref_picture(h, pic);
270 return (ret < 0) ? ret : AVERROR(ENOMEM);
271 }
272
273 23657 static int find_unused_picture(H264Context *h)
274 {
275 int i;
276
277
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82672 for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
278
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82672 if (!h->DPB[i].f->buf[0])
279 23657 return i;
280 }
281 return AVERROR_INVALIDDATA;
282 }
283
284
285 #define IN_RANGE(a, b, size) (((void*)(a) >= (void*)(b)) && ((void*)(a) < (void*)((b) + (size))))
286
287 #define REBASE_PICTURE(pic, new_ctx, old_ctx) \
288 (((pic) && (pic) >= (old_ctx)->DPB && \
289 (pic) < (old_ctx)->DPB + H264_MAX_PICTURE_COUNT) ? \
290 &(new_ctx)->DPB[(pic) - (old_ctx)->DPB] : NULL)
291
292 126 static void copy_picture_range(H264Picture **to, H264Picture **from, int count,
293 H264Context *new_base,
294 H264Context *old_base)
295 {
296 int i;
297
298
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3570 for (i = 0; i < count; i++) {
299 av_assert1(!from[i] ||
300 IN_RANGE(from[i], old_base, 1) ||
301 IN_RANGE(from[i], old_base->DPB, H264_MAX_PICTURE_COUNT));
302
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3444 to[i] = REBASE_PICTURE(from[i], new_base, old_base);
303 }
304 126 }
305
306 static int h264_slice_header_init(H264Context *h);
307
308 42 int ff_h264_update_thread_context(AVCodecContext *dst,
309 const AVCodecContext *src)
310 {
311 42 H264Context *h = dst->priv_data, *h1 = src->priv_data;
312 42 int inited = h->context_initialized, err = 0;
313 42 int need_reinit = 0;
314 int i, ret;
315
316
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42 if (dst == src)
317 return 0;
318
319
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42 if (inited && !h1->ps.sps)
320 return AVERROR_INVALIDDATA;
321
322
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42 if (inited &&
323
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34 (h->width != h1->width ||
324
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34 h->height != h1->height ||
325
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34 h->mb_width != h1->mb_width ||
326
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34 h->mb_height != h1->mb_height ||
327
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34 !h->ps.sps ||
328
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34 h->ps.sps->bit_depth_luma != h1->ps.sps->bit_depth_luma ||
329
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34 h->ps.sps->chroma_format_idc != h1->ps.sps->chroma_format_idc ||
330
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34 h->ps.sps->colorspace != h1->ps.sps->colorspace)) {
331 need_reinit = 1;
332 }
333
334 /* copy block_offset since frame_start may not be called */
335 42 memcpy(h->block_offset, h1->block_offset, sizeof(h->block_offset));
336
337 // SPS/PPS
338
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1386 for (i = 0; i < FF_ARRAY_ELEMS(h->ps.sps_list); i++) {
339 1344 ret = av_buffer_replace(&h->ps.sps_list[i], h1->ps.sps_list[i]);
340
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1344 if (ret < 0)
341 return ret;
342 }
343
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10794 for (i = 0; i < FF_ARRAY_ELEMS(h->ps.pps_list); i++) {
344 10752 ret = av_buffer_replace(&h->ps.pps_list[i], h1->ps.pps_list[i]);
345
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10752 if (ret < 0)
346 return ret;
347 }
348
349 42 ret = av_buffer_replace(&h->ps.pps_ref, h1->ps.pps_ref);
350
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42 if (ret < 0)
351 return ret;
352 42 h->ps.pps = NULL;
353 42 h->ps.sps = NULL;
354
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42 if (h1->ps.pps_ref) {
355 42 h->ps.pps = (const PPS*)h->ps.pps_ref->data;
356 42 h->ps.sps = h->ps.pps->sps;
357 }
358
359
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42 if (need_reinit || !inited) {
360 8 h->width = h1->width;
361 8 h->height = h1->height;
362 8 h->mb_height = h1->mb_height;
363 8 h->mb_width = h1->mb_width;
364 8 h->mb_num = h1->mb_num;
365 8 h->mb_stride = h1->mb_stride;
366 8 h->b_stride = h1->b_stride;
367 8 h->x264_build = h1->x264_build;
368
369
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8 if (h->context_initialized || h1->context_initialized) {
370
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8 if ((err = h264_slice_header_init(h)) < 0) {
371 av_log(h->avctx, AV_LOG_ERROR, "h264_slice_header_init() failed");
372 return err;
373 }
374 }
375
376 /* copy block_offset since frame_start may not be called */
377 8 memcpy(h->block_offset, h1->block_offset, sizeof(h->block_offset));
378 }
379
380 42 h->avctx->coded_height = h1->avctx->coded_height;
381 42 h->avctx->coded_width = h1->avctx->coded_width;
382 42 h->avctx->width = h1->avctx->width;
383 42 h->avctx->height = h1->avctx->height;
384 42 h->width_from_caller = h1->width_from_caller;
385 42 h->height_from_caller = h1->height_from_caller;
386 42 h->coded_picture_number = h1->coded_picture_number;
387 42 h->first_field = h1->first_field;
388 42 h->picture_structure = h1->picture_structure;
389 42 h->mb_aff_frame = h1->mb_aff_frame;
390 42 h->droppable = h1->droppable;
391
392
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1554 for (i = 0; i < H264_MAX_PICTURE_COUNT; i++) {
393 1512 ret = ff_h264_replace_picture(h, &h->DPB[i], &h1->DPB[i]);
394
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1512 if (ret < 0)
395 return ret;
396 }
397
398
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42 h->cur_pic_ptr = REBASE_PICTURE(h1->cur_pic_ptr, h, h1);
399 42 ret = ff_h264_replace_picture(h, &h->cur_pic, &h1->cur_pic);
400
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42 if (ret < 0)
401 return ret;
402
403 42 h->enable_er = h1->enable_er;
404 42 h->workaround_bugs = h1->workaround_bugs;
405 42 h->droppable = h1->droppable;
406
407 // extradata/NAL handling
408 42 h->is_avc = h1->is_avc;
409 42 h->nal_length_size = h1->nal_length_size;
410
411 42 memcpy(&h->poc, &h1->poc, sizeof(h->poc));
412
413 42 memcpy(h->short_ref, h1->short_ref, sizeof(h->short_ref));
414 42 memcpy(h->long_ref, h1->long_ref, sizeof(h->long_ref));
415 42 memcpy(h->delayed_pic, h1->delayed_pic, sizeof(h->delayed_pic));
416 42 memcpy(h->last_pocs, h1->last_pocs, sizeof(h->last_pocs));
417
418 42 h->next_output_pic = h1->next_output_pic;
419 42 h->next_outputed_poc = h1->next_outputed_poc;
420 42 h->poc_offset = h1->poc_offset;
421
422 42 memcpy(h->mmco, h1->mmco, sizeof(h->mmco));
423 42 h->nb_mmco = h1->nb_mmco;
424 42 h->mmco_reset = h1->mmco_reset;
425 42 h->explicit_ref_marking = h1->explicit_ref_marking;
426 42 h->long_ref_count = h1->long_ref_count;
427 42 h->short_ref_count = h1->short_ref_count;
428
429 42 copy_picture_range(h->short_ref, h1->short_ref, 32, h, h1);
430 42 copy_picture_range(h->long_ref, h1->long_ref, 32, h, h1);
431 42 copy_picture_range(h->delayed_pic, h1->delayed_pic,
432 FF_ARRAY_ELEMS(h->delayed_pic), h, h1);
433
434 42 h->frame_recovered = h1->frame_recovered;
435
436 42 ret = av_buffer_replace(&h->sei.a53_caption.buf_ref, h1->sei.a53_caption.buf_ref);
437
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42 if (ret < 0)
438 return ret;
439
440
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42 for (i = 0; i < h->sei.unregistered.nb_buf_ref; i++)
441 av_buffer_unref(&h->sei.unregistered.buf_ref[i]);
442 42 h->sei.unregistered.nb_buf_ref = 0;
443
444
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42 if (h1->sei.unregistered.nb_buf_ref) {
445 ret = av_reallocp_array(&h->sei.unregistered.buf_ref,
446 h1->sei.unregistered.nb_buf_ref,
447 sizeof(*h->sei.unregistered.buf_ref));
448 if (ret < 0)
449 return ret;
450
451 for (i = 0; i < h1->sei.unregistered.nb_buf_ref; i++) {
452 h->sei.unregistered.buf_ref[i] = av_buffer_ref(h1->sei.unregistered.buf_ref[i]);
453 if (!h->sei.unregistered.buf_ref[i])
454 return AVERROR(ENOMEM);
455 h->sei.unregistered.nb_buf_ref++;
456 }
457 }
458 42 h->sei.unregistered.x264_build = h1->sei.unregistered.x264_build;
459
460
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42 if (!h->cur_pic_ptr)
461 10 return 0;
462
463
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32 if (!h->droppable) {
464 19 err = ff_h264_execute_ref_pic_marking(h);
465 19 h->poc.prev_poc_msb = h->poc.poc_msb;
466 19 h->poc.prev_poc_lsb = h->poc.poc_lsb;
467 }
468 32 h->poc.prev_frame_num_offset = h->poc.frame_num_offset;
469 32 h->poc.prev_frame_num = h->poc.frame_num;
470
471 32 h->recovery_frame = h1->recovery_frame;
472
473 32 return err;
474 }
475
476 36 int ff_h264_update_thread_context_for_user(AVCodecContext *dst,
477 const AVCodecContext *src)
478 {
479 36 H264Context *h = dst->priv_data;
480 36 const H264Context *h1 = src->priv_data;
481
482 36 h->is_avc = h1->is_avc;
483 36 h->nal_length_size = h1->nal_length_size;
484
485 36 return 0;
486 }
487
488 23657 static int h264_frame_start(H264Context *h)
489 {
490 H264Picture *pic;
491 int i, ret;
492 23657 const int pixel_shift = h->pixel_shift;
493
494
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23657 if (!ff_thread_can_start_frame(h->avctx)) {
495 av_log(h->avctx, AV_LOG_ERROR, "Attempt to start a frame outside SETUP state\n");
496 return -1;
497 }
498
499 23657 release_unused_pictures(h, 1);
500 23657 h->cur_pic_ptr = NULL;
501
502 23657 i = find_unused_picture(h);
503
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23657 if (i < 0) {
504 av_log(h->avctx, AV_LOG_ERROR, "no frame buffer available\n");
505 return i;
506 }
507 23657 pic = &h->DPB[i];
508
509
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23657 pic->reference = h->droppable ? 0 : h->picture_structure;
510 23657 pic->f->coded_picture_number = h->coded_picture_number++;
511 23657 pic->field_picture = h->picture_structure != PICT_FRAME;
512 23657 pic->frame_num = h->poc.frame_num;
513 /*
514 * Zero key_frame here; IDR markings per slice in frame or fields are ORed
515 * in later.
516 * See decode_nal_units().
517 */
518 23657 pic->f->key_frame = 0;
519 23657 pic->mmco_reset = 0;
520 23657 pic->recovered = 0;
521 23657 pic->invalid_gap = 0;
522 23657 pic->sei_recovery_frame_cnt = h->sei.recovery_point.recovery_frame_cnt;
523
524 23657 pic->f->pict_type = h->slice_ctx[0].slice_type;
525
526 23657 pic->f->crop_left = h->crop_left;
527 23657 pic->f->crop_right = h->crop_right;
528 23657 pic->f->crop_top = h->crop_top;
529 23657 pic->f->crop_bottom = h->crop_bottom;
530
531
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23657 pic->needs_fg = h->sei.film_grain_characteristics.present && !h->avctx->hwaccel &&
532 !(h->avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN);
533
534
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23657 if ((ret = alloc_picture(h, pic)) < 0)
535 return ret;
536
537 23657 h->cur_pic_ptr = pic;
538 23657 ff_h264_unref_picture(h, &h->cur_pic);
539 if (CONFIG_ERROR_RESILIENCE) {
540 23657 ff_h264_set_erpic(&h->er.cur_pic, NULL);
541 }
542
543
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23657 if ((ret = ff_h264_ref_picture(h, &h->cur_pic, h->cur_pic_ptr)) < 0)
544 return ret;
545
546
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47614 for (i = 0; i < h->nb_slice_ctx; i++) {
547 23957 h->slice_ctx[i].linesize = h->cur_pic_ptr->f->linesize[0];
548 23957 h->slice_ctx[i].uvlinesize = h->cur_pic_ptr->f->linesize[1];
549 }
550
551
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23657 if (CONFIG_ERROR_RESILIENCE && h->enable_er) {
552 23357 ff_er_frame_start(&h->er);
553 23357 ff_h264_set_erpic(&h->er.last_pic, NULL);
554 23357 ff_h264_set_erpic(&h->er.next_pic, NULL);
555 }
556
557
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402169 for (i = 0; i < 16; i++) {
558 378512 h->block_offset[i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3);
559 378512 h->block_offset[48 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * pic->f->linesize[0] * ((scan8[i] - scan8[0]) >> 3);
560 }
561
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402169 for (i = 0; i < 16; i++) {
562 378512 h->block_offset[16 + i] =
563 378512 h->block_offset[32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 4 * pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3);
564 378512 h->block_offset[48 + 16 + i] =
565 378512 h->block_offset[48 + 32 + i] = (4 * ((scan8[i] - scan8[0]) & 7) << pixel_shift) + 8 * pic->f->linesize[1] * ((scan8[i] - scan8[0]) >> 3);
566 }
567
568 /* We mark the current picture as non-reference after allocating it, so
569 * that if we break out due to an error it can be released automatically
570 * in the next ff_mpv_frame_start().
571 */
572 23657 h->cur_pic_ptr->reference = 0;
573
574 23657 h->cur_pic_ptr->field_poc[0] = h->cur_pic_ptr->field_poc[1] = INT_MAX;
575
576 23657 h->next_output_pic = NULL;
577
578 23657 h->postpone_filter = 0;
579
580
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23657 h->mb_aff_frame = h->ps.sps->mb_aff && (h->picture_structure == PICT_FRAME);
581
582
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23657 if (h->sei.unregistered.x264_build >= 0)
583 1907 h->x264_build = h->sei.unregistered.x264_build;
584
585 assert(h->cur_pic_ptr->long_ref == 0);
586
587 23657 return 0;
588 }
589
590 11663673 static av_always_inline void backup_mb_border(const H264Context *h, H264SliceContext *sl,
591 uint8_t *src_y,
592 uint8_t *src_cb, uint8_t *src_cr,
593 int linesize, int uvlinesize,
594 int simple)
595 {
596 uint8_t *top_border;
597 11663673 int top_idx = 1;
598 11663673 const int pixel_shift = h->pixel_shift;
599 11663673 int chroma444 = CHROMA444(h);
600 11663673 int chroma422 = CHROMA422(h);
601
602 11663673 src_y -= linesize;
603 11663673 src_cb -= uvlinesize;
604 11663673 src_cr -= uvlinesize;
605
606
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11663673 if (!simple && FRAME_MBAFF(h)) {
607
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1814136 if (sl->mb_y & 1) {
608
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907068 if (!MB_MBAFF(sl)) {
609 665811 top_border = sl->top_borders[0][sl->mb_x];
610 665811 AV_COPY128(top_border, src_y + 15 * linesize);
611
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665811 if (pixel_shift)
612 213139 AV_COPY128(top_border + 16, src_y + 15 * linesize + 16);
613 if (simple || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) {
614
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665811 if (chroma444) {
615 if (pixel_shift) {
616 AV_COPY128(top_border + 32, src_cb + 15 * uvlinesize);
617 AV_COPY128(top_border + 48, src_cb + 15 * uvlinesize + 16);
618 AV_COPY128(top_border + 64, src_cr + 15 * uvlinesize);
619 AV_COPY128(top_border + 80, src_cr + 15 * uvlinesize + 16);
620 } else {
621 AV_COPY128(top_border + 16, src_cb + 15 * uvlinesize);
622 AV_COPY128(top_border + 32, src_cr + 15 * uvlinesize);
623 }
624
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665811 } else if (chroma422) {
625
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106510 if (pixel_shift) {
626 106510 AV_COPY128(top_border + 32, src_cb + 15 * uvlinesize);
627 106510 AV_COPY128(top_border + 48, src_cr + 15 * uvlinesize);
628 } else {
629 AV_COPY64(top_border + 16, src_cb + 15 * uvlinesize);
630 AV_COPY64(top_border + 24, src_cr + 15 * uvlinesize);
631 }
632 } else {
633
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559301 if (pixel_shift) {
634 106629 AV_COPY128(top_border + 32, src_cb + 7 * uvlinesize);
635 106629 AV_COPY128(top_border + 48, src_cr + 7 * uvlinesize);
636 } else {
637 452672 AV_COPY64(top_border + 16, src_cb + 7 * uvlinesize);
638 452672 AV_COPY64(top_border + 24, src_cr + 7 * uvlinesize);
639 }
640 }
641 }
642 }
643
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907068 } else if (MB_MBAFF(sl)) {
644 241257 top_idx = 0;
645 } else
646 665811 return;
647 }
648
649 10997862 top_border = sl->top_borders[top_idx][sl->mb_x];
650 /* There are two lines saved, the line above the top macroblock
651 * of a pair, and the line above the bottom macroblock. */
652 10997862 AV_COPY128(top_border, src_y + 16 * linesize);
653
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10997862 if (pixel_shift)
654 1300901 AV_COPY128(top_border + 16, src_y + 16 * linesize + 16);
655
656 if (simple || !CONFIG_GRAY || !(h->flags & AV_CODEC_FLAG_GRAY)) {
657
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10997862 if (chroma444) {
658
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80328 if (pixel_shift) {
659 19800 AV_COPY128(top_border + 32, src_cb + 16 * linesize);
660 19800 AV_COPY128(top_border + 48, src_cb + 16 * linesize + 16);
661 19800 AV_COPY128(top_border + 64, src_cr + 16 * linesize);
662 19800 AV_COPY128(top_border + 80, src_cr + 16 * linesize + 16);
663 } else {
664 60528 AV_COPY128(top_border + 16, src_cb + 16 * linesize);
665 60528 AV_COPY128(top_border + 32, src_cr + 16 * linesize);
666 }
667
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10917534 } else if (chroma422) {
668
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588635 if (pixel_shift) {
669 584675 AV_COPY128(top_border + 32, src_cb + 16 * uvlinesize);
670 584675 AV_COPY128(top_border + 48, src_cr + 16 * uvlinesize);
671 } else {
672 3960 AV_COPY64(top_border + 16, src_cb + 16 * uvlinesize);
673 3960 AV_COPY64(top_border + 24, src_cr + 16 * uvlinesize);
674 }
675 } else {
676
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10328899 if (pixel_shift) {
677 696426 AV_COPY128(top_border + 32, src_cb + 8 * uvlinesize);
678 696426 AV_COPY128(top_border + 48, src_cr + 8 * uvlinesize);
679 } else {
680 9632473 AV_COPY64(top_border + 16, src_cb + 8 * uvlinesize);
681 9632473 AV_COPY64(top_border + 24, src_cr + 8 * uvlinesize);
682 }
683 }
684 }
685 }
686
687 /**
688 * Initialize implicit_weight table.
689 * @param field 0/1 initialize the weight for interlaced MBAFF
690 * -1 initializes the rest
691 */
692 3299 static void implicit_weight_table(const H264Context *h, H264SliceContext *sl, int field)
693 {
694 int ref0, ref1, i, cur_poc, ref_start, ref_count0, ref_count1;
695
696
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9897 for (i = 0; i < 2; i++) {
697 6598 sl->pwt.luma_weight_flag[i] = 0;
698 6598 sl->pwt.chroma_weight_flag[i] = 0;
699 }
700
701
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3299 if (field < 0) {
702
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1589 if (h->picture_structure == PICT_FRAME) {
703 1589 cur_poc = h->cur_pic_ptr->poc;
704 } else {
705 cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure - 1];
706 }
707
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1589 if (sl->ref_count[0] == 1 && sl->ref_count[1] == 1 && !FRAME_MBAFF(h) &&
708
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97 sl->ref_list[0][0].poc + (int64_t)sl->ref_list[1][0].poc == 2LL * cur_poc) {
709 34 sl->pwt.use_weight = 0;
710 34 sl->pwt.use_weight_chroma = 0;
711 34 return;
712 }
713 1555 ref_start = 0;
714 1555 ref_count0 = sl->ref_count[0];
715 1555 ref_count1 = sl->ref_count[1];
716 } else {
717 1710 cur_poc = h->cur_pic_ptr->field_poc[field];
718 1710 ref_start = 16;
719 1710 ref_count0 = 16 + 2 * sl->ref_count[0];
720 1710 ref_count1 = 16 + 2 * sl->ref_count[1];
721 }
722
723 3265 sl->pwt.use_weight = 2;
724 3265 sl->pwt.use_weight_chroma = 2;
725 3265 sl->pwt.luma_log2_weight_denom = 5;
726 3265 sl->pwt.chroma_log2_weight_denom = 5;
727
728
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14879 for (ref0 = ref_start; ref0 < ref_count0; ref0++) {
729 11614 int64_t poc0 = sl->ref_list[0][ref0].poc;
730
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33317 for (ref1 = ref_start; ref1 < ref_count1; ref1++) {
731 21703 int w = 32;
732
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21703 if (!sl->ref_list[0][ref0].parent->long_ref && !sl->ref_list[1][ref1].parent->long_ref) {
733 21703 int poc1 = sl->ref_list[1][ref1].poc;
734 21703 int td = av_clip_int8(poc1 - poc0);
735
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21703 if (td) {
736 21637 int tb = av_clip_int8(cur_poc - poc0);
737 21637 int tx = (16384 + (FFABS(td) >> 1)) / td;
738 21637 int dist_scale_factor = (tb * tx + 32) >> 8;
739
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21637 if (dist_scale_factor >= -64 && dist_scale_factor <= 128)
740 21633 w = 64 - dist_scale_factor;
741 }
742 }
743
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21703 if (field < 0) {
744 5823 sl->pwt.implicit_weight[ref0][ref1][0] =
745 5823 sl->pwt.implicit_weight[ref0][ref1][1] = w;
746 } else {
747 15880 sl->pwt.implicit_weight[ref0][ref1][field] = w;
748 }
749 }
750 }
751 }
752
753 /**
754 * initialize scan tables
755 */
756 550 static void init_scan_tables(H264Context *h)
757 {
758 int i;
759
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9350 for (i = 0; i < 16; i++) {
760 #define TRANSPOSE(x) ((x) >> 2) | (((x) << 2) & 0xF)
761 8800 h->zigzag_scan[i] = TRANSPOSE(ff_zigzag_scan[i]);
762 8800 h->field_scan[i] = TRANSPOSE(field_scan[i]);
763 #undef TRANSPOSE
764 }
765
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35750 for (i = 0; i < 64; i++) {
766 #define TRANSPOSE(x) ((x) >> 3) | (((x) & 7) << 3)
767 35200 h->zigzag_scan8x8[i] = TRANSPOSE(ff_zigzag_direct[i]);
768 35200 h->zigzag_scan8x8_cavlc[i] = TRANSPOSE(zigzag_scan8x8_cavlc[i]);
769 35200 h->field_scan8x8[i] = TRANSPOSE(field_scan8x8[i]);
770 35200 h->field_scan8x8_cavlc[i] = TRANSPOSE(field_scan8x8_cavlc[i]);
771 #undef TRANSPOSE
772 }
773
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550 if (h->ps.sps->transform_bypass) { // FIXME same ugly
774 14 memcpy(h->zigzag_scan_q0 , ff_zigzag_scan , sizeof(h->zigzag_scan_q0 ));
775 14 memcpy(h->zigzag_scan8x8_q0 , ff_zigzag_direct , sizeof(h->zigzag_scan8x8_q0 ));
776 14 memcpy(h->zigzag_scan8x8_cavlc_q0 , zigzag_scan8x8_cavlc , sizeof(h->zigzag_scan8x8_cavlc_q0));
777 14 memcpy(h->field_scan_q0 , field_scan , sizeof(h->field_scan_q0 ));
778 14 memcpy(h->field_scan8x8_q0 , field_scan8x8 , sizeof(h->field_scan8x8_q0 ));
779 14 memcpy(h->field_scan8x8_cavlc_q0 , field_scan8x8_cavlc , sizeof(h->field_scan8x8_cavlc_q0 ));
780 } else {
781 536 memcpy(h->zigzag_scan_q0 , h->zigzag_scan , sizeof(h->zigzag_scan_q0 ));
782 536 memcpy(h->zigzag_scan8x8_q0 , h->zigzag_scan8x8 , sizeof(h->zigzag_scan8x8_q0 ));
783 536 memcpy(h->zigzag_scan8x8_cavlc_q0 , h->zigzag_scan8x8_cavlc , sizeof(h->zigzag_scan8x8_cavlc_q0));
784 536 memcpy(h->field_scan_q0 , h->field_scan , sizeof(h->field_scan_q0 ));
785 536 memcpy(h->field_scan8x8_q0 , h->field_scan8x8 , sizeof(h->field_scan8x8_q0 ));
786 536 memcpy(h->field_scan8x8_cavlc_q0 , h->field_scan8x8_cavlc , sizeof(h->field_scan8x8_cavlc_q0 ));
787 }
788 550 }
789
790 26540 static enum AVPixelFormat get_pixel_format(H264Context *h, int force_callback)
791 {
792 #define HWACCEL_MAX (CONFIG_H264_DXVA2_HWACCEL + \
793 (CONFIG_H264_D3D11VA_HWACCEL * 2) + \
794 CONFIG_H264_NVDEC_HWACCEL + \
795 CONFIG_H264_VAAPI_HWACCEL + \
796 CONFIG_H264_VIDEOTOOLBOX_HWACCEL + \
797 CONFIG_H264_VDPAU_HWACCEL)
798 26540 enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmt = pix_fmts;
799 26540 const enum AVPixelFormat *choices = pix_fmts;
800 int i;
801
802
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26540 switch (h->ps.sps->bit_depth_luma) {
803 155 case 9:
804
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155 if (CHROMA444(h)) {
805 if (h->avctx->colorspace == AVCOL_SPC_RGB) {
806 *fmt++ = AV_PIX_FMT_GBRP9;
807 } else
808 *fmt++ = AV_PIX_FMT_YUV444P9;
809
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155 } else if (CHROMA422(h))
810 52 *fmt++ = AV_PIX_FMT_YUV422P9;
811 else
812 103 *fmt++ = AV_PIX_FMT_YUV420P9;
813 155 break;
814 355 case 10:
815 #if CONFIG_H264_VIDEOTOOLBOX_HWACCEL
816 if (h->avctx->colorspace != AVCOL_SPC_RGB)
817 *fmt++ = AV_PIX_FMT_VIDEOTOOLBOX;
818 #endif
819
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355 if (CHROMA444(h)) {
820
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51 if (h->avctx->colorspace == AVCOL_SPC_RGB) {
821 *fmt++ = AV_PIX_FMT_GBRP10;
822 } else
823 51 *fmt++ = AV_PIX_FMT_YUV444P10;
824
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304 } else if (CHROMA422(h))
825 164 *fmt++ = AV_PIX_FMT_YUV422P10;
826 else
827 140 *fmt++ = AV_PIX_FMT_YUV420P10;
828 355 break;
829 case 12:
830 if (CHROMA444(h)) {
831 if (h->avctx->colorspace == AVCOL_SPC_RGB) {
832 *fmt++ = AV_PIX_FMT_GBRP12;
833 } else
834 *fmt++ = AV_PIX_FMT_YUV444P12;
835 } else if (CHROMA422(h))
836 *fmt++ = AV_PIX_FMT_YUV422P12;
837 else
838 *fmt++ = AV_PIX_FMT_YUV420P12;
839 break;
840 case 14:
841 if (CHROMA444(h)) {
842 if (h->avctx->colorspace == AVCOL_SPC_RGB) {
843 *fmt++ = AV_PIX_FMT_GBRP14;
844 } else
845 *fmt++ = AV_PIX_FMT_YUV444P14;
846 } else if (CHROMA422(h))
847 *fmt++ = AV_PIX_FMT_YUV422P14;
848 else
849 *fmt++ = AV_PIX_FMT_YUV420P14;
850 break;
851 26030 case 8:
852 #if CONFIG_H264_VDPAU_HWACCEL
853 26030 *fmt++ = AV_PIX_FMT_VDPAU;
854 #endif
855 #if CONFIG_H264_NVDEC_HWACCEL
856 *fmt++ = AV_PIX_FMT_CUDA;
857 #endif
858 #if CONFIG_H264_VIDEOTOOLBOX_HWACCEL
859 if (h->avctx->colorspace != AVCOL_SPC_RGB)
860 *fmt++ = AV_PIX_FMT_VIDEOTOOLBOX;
861 #endif
862
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26030 if (CHROMA444(h)) {
863
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484 if (h->avctx->colorspace == AVCOL_SPC_RGB)
864 *fmt++ = AV_PIX_FMT_GBRP;
865
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484 else if (h->avctx->color_range == AVCOL_RANGE_JPEG)
866 2 *fmt++ = AV_PIX_FMT_YUVJ444P;
867 else
868 482 *fmt++ = AV_PIX_FMT_YUV444P;
869
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25546 } else if (CHROMA422(h)) {
870
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22 if (h->avctx->color_range == AVCOL_RANGE_JPEG)
871 *fmt++ = AV_PIX_FMT_YUVJ422P;
872 else
873 22 *fmt++ = AV_PIX_FMT_YUV422P;
874 } else {
875 #if CONFIG_H264_DXVA2_HWACCEL
876 *fmt++ = AV_PIX_FMT_DXVA2_VLD;
877 #endif
878 #if CONFIG_H264_D3D11VA_HWACCEL
879 *fmt++ = AV_PIX_FMT_D3D11VA_VLD;
880 *fmt++ = AV_PIX_FMT_D3D11;
881 #endif
882 #if CONFIG_H264_VAAPI_HWACCEL
883 25524 *fmt++ = AV_PIX_FMT_VAAPI;
884 #endif
885
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25524 if (h->avctx->codec->pix_fmts)
886 choices = h->avctx->codec->pix_fmts;
887
2/2
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25524 else if (h->avctx->color_range == AVCOL_RANGE_JPEG)
888 3 *fmt++ = AV_PIX_FMT_YUVJ420P;
889 else
890 25521 *fmt++ = AV_PIX_FMT_YUV420P;
891 }
892 26030 break;
893 default:
894 av_log(h->avctx, AV_LOG_ERROR,
895 "Unsupported bit depth %d\n", h->ps.sps->bit_depth_luma);
896 return AVERROR_INVALIDDATA;
897 }
898
899 26540 *fmt = AV_PIX_FMT_NONE;
900
901
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78639 for (i=0; choices[i] != AV_PIX_FMT_NONE; i++)
902
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78094 if (choices[i] == h->avctx->pix_fmt && !force_callback)
903 25995 return choices[i];
904 545 return ff_thread_get_format(h->avctx, choices);
905 }
906
907 /* export coded and cropped frame dimensions to AVCodecContext */
908 26296 static void init_dimensions(H264Context *h)
909 {
910 26296 const SPS *sps = (const SPS*)h->ps.sps;
911 26296 int cr = sps->crop_right;
912 26296 int cl = sps->crop_left;
913 26296 int ct = sps->crop_top;
914 26296 int cb = sps->crop_bottom;
915 26296 int width = h->width - (cr + cl);
916 26296 int height = h->height - (ct + cb);
917
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26296 av_assert0(sps->crop_right + sps->crop_left < (unsigned)h->width);
918
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26296 av_assert0(sps->crop_top + sps->crop_bottom < (unsigned)h->height);
919
920 /* handle container cropping */
921
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26296 if (h->width_from_caller > 0 && h->height_from_caller > 0 &&
922
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24077 !sps->crop_top && !sps->crop_left &&
923
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24076 FFALIGN(h->width_from_caller, 16) == FFALIGN(width, 16) &&
924
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24071 FFALIGN(h->height_from_caller, 16) == FFALIGN(height, 16) &&
925
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24071 h->width_from_caller <= width &&
926
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24071 h->height_from_caller <= height) {
927 24070 width = h->width_from_caller;
928 24070 height = h->height_from_caller;
929 24070 cl = 0;
930 24070 ct = 0;
931 24070 cr = h->width - width;
932 24070 cb = h->height - height;
933 } else {
934 2226 h->width_from_caller = 0;
935 2226 h->height_from_caller = 0;
936 }
937
938 26296 h->avctx->coded_width = h->width;
939 26296 h->avctx->coded_height = h->height;
940 26296 h->avctx->width = width;
941 26296 h->avctx->height = height;
942 26296 h->crop_right = cr;
943 26296 h->crop_left = cl;
944 26296 h->crop_top = ct;
945 26296 h->crop_bottom = cb;
946 26296 }
947
948 550 static int h264_slice_header_init(H264Context *h)
949 {
950 550 const SPS *sps = h->ps.sps;
951 int i, ret;
952
953
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550 if (!sps) {
954 ret = AVERROR_INVALIDDATA;
955 goto fail;
956 }
957
958 550 ff_set_sar(h->avctx, sps->sar);
959 550 av_pix_fmt_get_chroma_sub_sample(h->avctx->pix_fmt,
960 &h->chroma_x_shift, &h->chroma_y_shift);
961
962
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550 if (sps->timing_info_present_flag) {
963 145 int64_t den = sps->time_scale;
964
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145 if (h->x264_build < 44U)
965 den *= 2;
966 145 av_reduce(&h->avctx->framerate.den, &h->avctx->framerate.num,
967 145 sps->num_units_in_tick * h->avctx->ticks_per_frame, den, 1 << 30);
968 }
969
970 550 ff_h264_free_tables(h);
971
972 550 h->first_field = 0;
973 550 h->prev_interlaced_frame = 1;
974
975 550 init_scan_tables(h);
976 550 ret = ff_h264_alloc_tables(h);
977
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550 if (ret < 0) {
978 av_log(h->avctx, AV_LOG_ERROR, "Could not allocate memory\n");
979 goto fail;
980 }
981
982
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550 if (sps->bit_depth_luma < 8 || sps->bit_depth_luma > 14 ||
983
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550 sps->bit_depth_luma == 11 || sps->bit_depth_luma == 13
984 ) {
985 av_log(h->avctx, AV_LOG_ERROR, "Unsupported bit depth %d\n",
986 sps->bit_depth_luma);
987 ret = AVERROR_INVALIDDATA;
988 goto fail;
989 }
990
991 550 h->cur_bit_depth_luma =
992 550 h->avctx->bits_per_raw_sample = sps->bit_depth_luma;
993 550 h->cur_chroma_format_idc = sps->chroma_format_idc;
994 550 h->pixel_shift = sps->bit_depth_luma > 8;
995 550 h->chroma_format_idc = sps->chroma_format_idc;
996 550 h->bit_depth_luma = sps->bit_depth_luma;
997
998 550 ff_h264dsp_init(&h->h264dsp, sps->bit_depth_luma,
999 550 sps->chroma_format_idc);
1000 550 ff_h264chroma_init(&h->h264chroma, sps->bit_depth_chroma);
1001 550 ff_h264qpel_init(&h->h264qpel, sps->bit_depth_luma);
1002 550 ff_h264_pred_init(&h->hpc, AV_CODEC_ID_H264, sps->bit_depth_luma,
1003 550 sps->chroma_format_idc);
1004 550 ff_videodsp_init(&h->vdsp, sps->bit_depth_luma);
1005
1006
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550 if (!HAVE_THREADS || !(h->avctx->active_thread_type & FF_THREAD_SLICE)) {
1007 549 ff_h264_slice_context_init(h, &h->slice_ctx[0]);
1008 } else {
1009
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3 for (i = 0; i < h->nb_slice_ctx; i++) {
1010 2 H264SliceContext *sl = &h->slice_ctx[i];
1011
1012 2 sl->h264 = h;
1013 2 sl->intra4x4_pred_mode = h->intra4x4_pred_mode + i * 8 * 2 * h->mb_stride;
1014 2 sl->mvd_table[0] = h->mvd_table[0] + i * 8 * 2 * h->mb_stride;
1015 2 sl->mvd_table[1] = h->mvd_table[1] + i * 8 * 2 * h->mb_stride;
1016
1017 2 ff_h264_slice_context_init(h, sl);
1018 }
1019 }
1020
1021 550 h->context_initialized = 1;
1022
1023 550 return 0;
1024 fail:
1025 ff_h264_free_tables(h);
1026 h->context_initialized = 0;
1027 return ret;
1028 }
1029
1030 51996 static enum AVPixelFormat non_j_pixfmt(enum AVPixelFormat a)
1031 {
1032
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51996 switch (a) {
1033 2 case AV_PIX_FMT_YUVJ420P: return AV_PIX_FMT_YUV420P;
1034 case AV_PIX_FMT_YUVJ422P: return AV_PIX_FMT_YUV422P;
1035 case AV_PIX_FMT_YUVJ444P: return AV_PIX_FMT_YUV444P;
1036 51994 default:
1037 51994 return a;
1038 }
1039 }
1040
1041 26296 static int h264_init_ps(H264Context *h, const H264SliceContext *sl, int first_slice)
1042 {
1043 const SPS *sps;
1044 26296 int needs_reinit = 0, must_reinit, ret;
1045
1046
2/2
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26296 if (first_slice) {
1047 26103 av_buffer_unref(&h->ps.pps_ref);
1048 26103 h->ps.pps = NULL;
1049 26103 h->ps.pps_ref = av_buffer_ref(h->ps.pps_list[sl->pps_id]);
1050
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26103 if (!h->ps.pps_ref)
1051 return AVERROR(ENOMEM);
1052 26103 h->ps.pps = (const PPS*)h->ps.pps_ref->data;
1053 }
1054
1055
2/2
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26296 if (h->ps.sps != h->ps.pps->sps) {
1056 546 h->ps.sps = (const SPS*)h->ps.pps->sps;
1057
1058
2/2
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546 if (h->mb_width != h->ps.sps->mb_width ||
1059
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6 h->mb_height != h->ps.sps->mb_height ||
1060
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6 h->cur_bit_depth_luma != h->ps.sps->bit_depth_luma ||
1061
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5 h->cur_chroma_format_idc != h->ps.sps->chroma_format_idc
1062 )
1063 542 needs_reinit = 1;
1064
1065
2/2
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546 if (h->bit_depth_luma != h->ps.sps->bit_depth_luma ||
1066
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8 h->chroma_format_idc != h->ps.sps->chroma_format_idc)
1067 539 needs_reinit = 1;
1068 }
1069 26296 sps = h->ps.sps;
1070
1071
2/2
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52056 must_reinit = (h->context_initialized &&
1072
2/2
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25760 ( 16*sps->mb_width != h->avctx->coded_width
1073
1/2
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25756 || 16*sps->mb_height != h->avctx->coded_height
1074
2/2
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25756 || h->cur_bit_depth_luma != sps->bit_depth_luma
1075
2/2
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25755 || h->cur_chroma_format_idc != sps->chroma_format_idc
1076
1/2
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25754 || h->mb_width != sps->mb_width
1077
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25754 || h->mb_height != sps->mb_height
1078 ));
1079
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26296 if (h->avctx->pix_fmt == AV_PIX_FMT_NONE
1080
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✓ Branch 4 taken 25995 times.
25998 || (non_j_pixfmt(h->avctx->pix_fmt) != non_j_pixfmt(get_pixel_format(h, 0))))
1081 301 must_reinit = 1;
1082
1083
4/4
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26296 if (first_slice && av_cmp_q(sps->sar, h->avctx->sample_aspect_ratio))
1084 54 must_reinit = 1;
1085
1086
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26296 if (!h->setup_finished) {
1087 26296 h->avctx->profile = ff_h264_get_profile(sps);
1088 26296 h->avctx->level = sps->level_idc;
1089 26296 h->avctx->refs = sps->ref_frame_count;
1090
1091 26296 h->mb_width = sps->mb_width;
1092 26296 h->mb_height = sps->mb_height;
1093 26296 h->mb_num = h->mb_width * h->mb_height;
1094 26296 h->mb_stride = h->mb_width + 1;
1095
1096 26296 h->b_stride = h->mb_width * 4;
1097
1098 26296 h->chroma_y_shift = sps->chroma_format_idc <= 1; // 400 uses yuv420p
1099
1100 26296 h->width = 16 * h->mb_width;
1101 26296 h->height = 16 * h->mb_height;
1102
1103 26296 init_dimensions(h);
1104
1105
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26296 if (sps->video_signal_type_present_flag) {
1106 1950 h->avctx->color_range = sps->full_range > 0 ? AVCOL_RANGE_JPEG
1107
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975 : AVCOL_RANGE_MPEG;
1108
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975 if (sps->colour_description_present_flag) {
1109
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877 if (h->avctx->colorspace != sps->colorspace)
1110 14 needs_reinit = 1;
1111 877 h->avctx->color_primaries = sps->color_primaries;
1112 877 h->avctx->color_trc = sps->color_trc;
1113 877 h->avctx->colorspace = sps->colorspace;
1114 }
1115 }
1116
1117
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26296 if (h->sei.alternative_transfer.present &&
1118 av_color_transfer_name(h->sei.alternative_transfer.preferred_transfer_characteristics) &&
1119 h->sei.alternative_transfer.preferred_transfer_characteristics != AVCOL_TRC_UNSPECIFIED) {
1120 h->avctx->color_trc = h->sei.alternative_transfer.preferred_transfer_characteristics;
1121 }
1122 }
1123 26296 h->avctx->chroma_sample_location = sps->chroma_location;
1124
1125
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26296 if (!h->context_initialized || must_reinit || needs_reinit) {
1126 542 int flush_changes = h->context_initialized;
1127 542 h->context_initialized = 0;
1128
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542 if (sl != h->slice_ctx) {
1129 av_log(h->avctx, AV_LOG_ERROR,
1130 "changing width %d -> %d / height %d -> %d on "
1131 "slice %d\n",
1132 h->width, h->avctx->coded_width,
1133 h->height, h->avctx->coded_height,
1134 h->current_slice + 1);
1135 return AVERROR_INVALIDDATA;
1136 }
1137
1138 av_assert1(first_slice);
1139
1140
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542 if (flush_changes)
1141 6 ff_h264_flush_change(h);
1142
1143
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542 if ((ret = get_pixel_format(h, 1)) < 0)
1144 return ret;
1145 542 h->avctx->pix_fmt = ret;
1146
1147 542 av_log(h->avctx, AV_LOG_VERBOSE, "Reinit context to %dx%d, "
1148 542 "pix_fmt: %s\n", h->width, h->height, av_get_pix_fmt_name(h->avctx->pix_fmt));
1149
1150
1/2
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542 if ((ret = h264_slice_header_init(h)) < 0) {
1151 av_log(h->avctx, AV_LOG_ERROR,
1152 "h264_slice_header_init() failed\n");
1153 return ret;
1154 }
1155 }
1156
1157 26296 return 0;
1158 }
1159
1160 22959 static int h264_export_frame_props(H264Context *h)
1161 {
1162 22959 const SPS *sps = h->ps.sps;
1163 22959 H264Picture *cur = h->cur_pic_ptr;
1164 22959 AVFrame *out = cur->f;
1165
1166 22959 out->interlaced_frame = 0;
1167 22959 out->repeat_pict = 0;
1168
1169 /* Signal interlacing information externally. */
1170 /* Prioritize picture timing SEI information over used
1171 * decoding process if it exists. */
1172
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22959 if (h->sei.picture_timing.present) {
1173 1358 int ret = ff_h264_sei_process_picture_timing(&h->sei.picture_timing, sps,
1174 1358 h->avctx);
1175
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1358 if (ret < 0) {
1176 av_log(h->avctx, AV_LOG_ERROR, "Error processing a picture timing SEI\n");
1177 if (h->avctx->err_recognition & AV_EF_EXPLODE)
1178 return ret;
1179 h->sei.picture_timing.present = 0;
1180 }
1181 }
1182
1183
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24309 if (sps->pic_struct_present_flag && h->sei.picture_timing.present) {
1184 1350 H264SEIPictureTiming *pt = &h->sei.picture_timing;
1185
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1350 switch (pt->pic_struct) {
1186 132 case H264_SEI_PIC_STRUCT_FRAME:
1187 132 break;
1188 347 case H264_SEI_PIC_STRUCT_TOP_FIELD:
1189 case H264_SEI_PIC_STRUCT_BOTTOM_FIELD:
1190 347 out->interlaced_frame = 1;
1191 347 break;
1192 704 case H264_SEI_PIC_STRUCT_TOP_BOTTOM:
1193 case H264_SEI_PIC_STRUCT_BOTTOM_TOP:
1194
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704 if (FIELD_OR_MBAFF_PICTURE(h))
1195 700 out->interlaced_frame = 1;
1196 else
1197 // try to flag soft telecine progressive
1198 4 out->interlaced_frame = h->prev_interlaced_frame;
1199 704 break;
1200 167 case H264_SEI_PIC_STRUCT_TOP_BOTTOM_TOP:
1201 case H264_SEI_PIC_STRUCT_BOTTOM_TOP_BOTTOM:
1202 /* Signal the possibility of telecined film externally
1203 * (pic_struct 5,6). From these hints, let the applications
1204 * decide if they apply deinterlacing. */
1205 167 out->repeat_pict = 1;
1206 167 break;
1207 case H264_SEI_PIC_STRUCT_FRAME_DOUBLING:
1208 out->repeat_pict = 2;
1209 break;
1210 case H264_SEI_PIC_STRUCT_FRAME_TRIPLING:
1211 out->repeat_pict = 4;
1212 break;
1213 }
1214
1215
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1350 if ((pt->ct_type & 3) &&
1216
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651 pt->pic_struct <= H264_SEI_PIC_STRUCT_BOTTOM_TOP)
1217 487 out->interlaced_frame = (pt->ct_type & (1 << 1)) != 0;
1218 } else {
1219 /* Derive interlacing flag from used decoding process. */
1220
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21609 out->interlaced_frame = FIELD_OR_MBAFF_PICTURE(h);
1221 }
1222 22959 h->prev_interlaced_frame = out->interlaced_frame;
1223
1224
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22959 if (cur->field_poc[0] != cur->field_poc[1]) {
1225 /* Derive top_field_first from field pocs. */
1226 3268 out->top_field_first = cur->field_poc[0] < cur->field_poc[1];
1227 } else {
1228
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19691 if (sps->pic_struct_present_flag && h->sei.picture_timing.present) {
1229 /* Use picture timing SEI information. Even if it is a
1230 * information of a past frame, better than nothing. */
1231
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139 if (h->sei.picture_timing.pic_struct == H264_SEI_PIC_STRUCT_TOP_BOTTOM ||
1232
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138 h->sei.picture_timing.pic_struct == H264_SEI_PIC_STRUCT_TOP_BOTTOM_TOP)
1233 3 out->top_field_first = 1;
1234 else
1235 136 out->top_field_first = 0;
1236
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19552 } else if (out->interlaced_frame) {
1237 /* Default to top field first when pic_struct_present_flag
1238 * is not set but interlaced frame detected */
1239 2554 out->top_field_first = 1;
1240 } else {
1241 /* Most likely progressive */
1242 16998 out->top_field_first = 0;
1243 }
1244 }
1245
1246
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22959 if (h->sei.frame_packing.present &&
1247 h->sei.frame_packing.arrangement_type <= 6 &&
1248 h->sei.frame_packing.content_interpretation_type > 0 &&
1249 h->sei.frame_packing.content_interpretation_type < 3) {
1250 H264SEIFramePacking *fp = &h->sei.frame_packing;
1251 AVStereo3D *stereo = av_stereo3d_create_side_data(out);
1252 if (stereo) {
1253 switch (fp->arrangement_type) {
1254 case H264_SEI_FPA_TYPE_CHECKERBOARD:
1255 stereo->type = AV_STEREO3D_CHECKERBOARD;
1256 break;
1257 case H264_SEI_FPA_TYPE_INTERLEAVE_COLUMN:
1258 stereo->type = AV_STEREO3D_COLUMNS;
1259 break;
1260 case H264_SEI_FPA_TYPE_INTERLEAVE_ROW:
1261 stereo->type = AV_STEREO3D_LINES;
1262 break;
1263 case H264_SEI_FPA_TYPE_SIDE_BY_SIDE:
1264 if (fp->quincunx_sampling_flag)
1265 stereo->type = AV_STEREO3D_SIDEBYSIDE_QUINCUNX;
1266 else
1267 stereo->type = AV_STEREO3D_SIDEBYSIDE;
1268 break;
1269 case H264_SEI_FPA_TYPE_TOP_BOTTOM:
1270 stereo->type = AV_STEREO3D_TOPBOTTOM;
1271 break;
1272 case H264_SEI_FPA_TYPE_INTERLEAVE_TEMPORAL:
1273 stereo->type = AV_STEREO3D_FRAMESEQUENCE;
1274 break;
1275 case H264_SEI_FPA_TYPE_2D:
1276 stereo->type = AV_STEREO3D_2D;
1277 break;
1278 }
1279
1280 if (fp->content_interpretation_type == 2)
1281 stereo->flags = AV_STEREO3D_FLAG_INVERT;
1282
1283 if (fp->arrangement_type == H264_SEI_FPA_TYPE_INTERLEAVE_TEMPORAL) {
1284 if (fp->current_frame_is_frame0_flag)
1285 stereo->view = AV_STEREO3D_VIEW_LEFT;
1286 else
1287 stereo->view = AV_STEREO3D_VIEW_RIGHT;
1288 }
1289 }
1290 }
1291
1292
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22959 if (h->sei.display_orientation.present &&
1293
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1 (h->sei.display_orientation.anticlockwise_rotation ||
1294
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1 h->sei.display_orientation.hflip ||
1295
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1 h->sei.display_orientation.vflip)) {
1296 H264SEIDisplayOrientation *o = &h->sei.display_orientation;
1297 double angle = o->anticlockwise_rotation * 360 / (double) (1 << 16);
1298 AVFrameSideData *rotation = av_frame_new_side_data(out,
1299 AV_FRAME_DATA_DISPLAYMATRIX,
1300 sizeof(int32_t) * 9);
1301 if (rotation) {
1302 /* av_display_rotation_set() expects the angle in the clockwise
1303 * direction, hence the first minus.
1304 * The below code applies the flips after the rotation, yet
1305 * the H.2645 specs require flipping to be applied first.
1306 * Because of R O(phi) = O(-phi) R (where R is flipping around
1307 * an arbitatry axis and O(phi) is the proper rotation by phi)
1308 * we can create display matrices as desired by negating
1309 * the degree once for every flip applied. */
1310 angle = -angle * (1 - 2 * !!o->hflip) * (1 - 2 * !!o->vflip);
1311 av_display_rotation_set((int32_t *)rotation->data, angle);
1312 av_display_matrix_flip((int32_t *)rotation->data,
1313 o->hflip, o->vflip);
1314 }
1315 }
1316
1317
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22959 if (h->sei.afd.present) {
1318 239 AVFrameSideData *sd = av_frame_new_side_data(out, AV_FRAME_DATA_AFD,
1319 sizeof(uint8_t));
1320
1321
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239 if (sd) {
1322 239 *sd->data = h->sei.afd.active_format_description;
1323 239 h->sei.afd.present = 0;
1324 }
1325 }
1326
1327
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22959 if (h->sei.a53_caption.buf_ref) {
1328 1 H264SEIA53Caption *a53 = &h->sei.a53_caption;
1329
1330 1 AVFrameSideData *sd = av_frame_new_side_data_from_buf(out, AV_FRAME_DATA_A53_CC, a53->buf_ref);
1331
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1 if (!sd)
1332 av_buffer_unref(&a53->buf_ref);
1333 1 a53->buf_ref = NULL;
1334
1335 1 h->avctx->properties |= FF_CODEC_PROPERTY_CLOSED_CAPTIONS;
1336 }
1337
1338
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23135 for (int i = 0; i < h->sei.unregistered.nb_buf_ref; i++) {
1339 176 H264SEIUnregistered *unreg = &h->sei.unregistered;
1340
1341
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176 if (unreg->buf_ref[i]) {
1342 176 AVFrameSideData *sd = av_frame_new_side_data_from_buf(out,
1343 AV_FRAME_DATA_SEI_UNREGISTERED,
1344 176 unreg->buf_ref[i]);
1345
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176 if (!sd)
1346 av_buffer_unref(&unreg->buf_ref[i]);
1347 176 unreg->buf_ref[i] = NULL;
1348 }
1349 }
1350 22959 h->sei.unregistered.nb_buf_ref = 0;
1351
1352
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22959 if (h->sei.film_grain_characteristics.present) {
1353 H264SEIFilmGrainCharacteristics *fgc = &h->sei.film_grain_characteristics;
1354 AVFilmGrainParams *fgp = av_film_grain_params_create_side_data(out);
1355 if (!fgp)
1356 return AVERROR(ENOMEM);
1357
1358 fgp->type = AV_FILM_GRAIN_PARAMS_H274;
1359 fgp->seed = cur->poc + (h->poc_offset << 5);
1360
1361 fgp->codec.h274.model_id = fgc->model_id;
1362 if (fgc->separate_colour_description_present_flag) {
1363 fgp->codec.h274.bit_depth_luma = fgc->bit_depth_luma;
1364 fgp->codec.h274.bit_depth_chroma = fgc->bit_depth_chroma;
1365 fgp->codec.h274.color_range = fgc->full_range + 1;
1366 fgp->codec.h274.color_primaries = fgc->color_primaries;
1367 fgp->codec.h274.color_trc = fgc->transfer_characteristics;
1368 fgp->codec.h274.color_space = fgc->matrix_coeffs;
1369 } else {
1370 fgp->codec.h274.bit_depth_luma = sps->bit_depth_luma;
1371 fgp->codec.h274.bit_depth_chroma = sps->bit_depth_chroma;
1372 if (sps->video_signal_type_present_flag)
1373 fgp->codec.h274.color_range = sps->full_range + 1;
1374 else
1375 fgp->codec.h274.color_range = AVCOL_RANGE_UNSPECIFIED;
1376 if (sps->colour_description_present_flag) {
1377 fgp->codec.h274.color_primaries = sps->color_primaries;
1378 fgp->codec.h274.color_trc = sps->color_trc;
1379 fgp->codec.h274.color_space = sps->colorspace;
1380 } else {
1381 fgp->codec.h274.color_primaries = AVCOL_PRI_UNSPECIFIED;
1382 fgp->codec.h274.color_trc = AVCOL_TRC_UNSPECIFIED;
1383 fgp->codec.h274.color_space = AVCOL_SPC_UNSPECIFIED;
1384 }
1385 }
1386 fgp->codec.h274.blending_mode_id = fgc->blending_mode_id;
1387 fgp->codec.h274.log2_scale_factor = fgc->log2_scale_factor;
1388
1389 memcpy(&fgp->codec.h274.component_model_present, &fgc->comp_model_present_flag,
1390 sizeof(fgp->codec.h274.component_model_present));
1391 memcpy(&fgp->codec.h274.num_intensity_intervals, &fgc->num_intensity_intervals,
1392 sizeof(fgp->codec.h274.num_intensity_intervals));
1393 memcpy(&fgp->codec.h274.num_model_values, &fgc->num_model_values,
1394 sizeof(fgp->codec.h274.num_model_values));
1395 memcpy(&fgp->codec.h274.intensity_interval_lower_bound, &fgc->intensity_interval_lower_bound,
1396 sizeof(fgp->codec.h274.intensity_interval_lower_bound));
1397 memcpy(&fgp->codec.h274.intensity_interval_upper_bound, &fgc->intensity_interval_upper_bound,
1398 sizeof(fgp->codec.h274.intensity_interval_upper_bound));
1399 memcpy(&fgp->codec.h274.comp_model_value, &fgc->comp_model_value,
1400 sizeof(fgp->codec.h274.comp_model_value));
1401
1402 fgc->present = !!fgc->repetition_period;
1403
1404 h->avctx->properties |= FF_CODEC_PROPERTY_FILM_GRAIN;
1405 }
1406
1407
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22959 if (h->sei.picture_timing.timecode_cnt > 0) {
1408 uint32_t *tc_sd;
1409 char tcbuf[AV_TIMECODE_STR_SIZE];
1410
1411 651 AVFrameSideData *tcside = av_frame_new_side_data(out,
1412 AV_FRAME_DATA_S12M_TIMECODE,
1413 sizeof(uint32_t)*4);
1414
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651 if (!tcside)
1415 return AVERROR(ENOMEM);
1416
1417 651 tc_sd = (uint32_t*)tcside->data;
1418 651 tc_sd[0] = h->sei.picture_timing.timecode_cnt;
1419
1420
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1603 for (int i = 0; i < tc_sd[0]; i++) {
1421 952 int drop = h->sei.picture_timing.timecode[i].dropframe;
1422 952 int hh = h->sei.picture_timing.timecode[i].hours;
1423 952 int mm = h->sei.picture_timing.timecode[i].minutes;
1424 952 int ss = h->sei.picture_timing.timecode[i].seconds;
1425 952 int ff = h->sei.picture_timing.timecode[i].frame;
1426
1427 952 tc_sd[i + 1] = av_timecode_get_smpte(h->avctx->framerate, drop, hh, mm, ss, ff);
1428 952 av_timecode_make_smpte_tc_string2(tcbuf, h->avctx->framerate, tc_sd[i + 1], 0, 0);
1429 952 av_dict_set(&out->metadata, "timecode", tcbuf, 0);
1430 }
1431 651 h->sei.picture_timing.timecode_cnt = 0;
1432 }
1433
1434 22959 return 0;
1435 }
1436
1437 22959 static int h264_select_output_frame(H264Context *h)
1438 {
1439 22959 const SPS *sps = h->ps.sps;
1440 22959 H264Picture *out = h->cur_pic_ptr;
1441 22959 H264Picture *cur = h->cur_pic_ptr;
1442 int i, pics, out_of_order, out_idx;
1443
1444 22959 cur->mmco_reset = h->mmco_reset;
1445 22959 h->mmco_reset = 0;
1446
1447
2/2
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22959 if (sps->bitstream_restriction_flag ||
1448
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19566 h->avctx->strict_std_compliance >= FF_COMPLIANCE_STRICT) {
1449 3393 h->avctx->has_b_frames = FFMAX(h->avctx->has_b_frames, sps->num_reorder_frames);
1450 }
1451
1452 375917 for (i = 0; 1; i++) {
1453
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375917 if(i == H264_MAX_DPB_FRAMES || cur->poc < h->last_pocs[i]){
1454
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22959 if(i)
1455 22959 h->last_pocs[i-1] = cur->poc;
1456 22959 break;
1457
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352958 } else if(i) {
1458 329999 h->last_pocs[i-1]= h->last_pocs[i];
1459 }
1460 }
1461 22959 out_of_order = H264_MAX_DPB_FRAMES - i;
1462
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22959 if( cur->f->pict_type == AV_PICTURE_TYPE_B
1463
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15442 || (h->last_pocs[H264_MAX_DPB_FRAMES-2] > INT_MIN && h->last_pocs[H264_MAX_DPB_FRAMES-1] - (int64_t)h->last_pocs[H264_MAX_DPB_FRAMES-2] > 2))
1464 12110 out_of_order = FFMAX(out_of_order, 1);
1465
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22959 if (out_of_order == H264_MAX_DPB_FRAMES) {
1466 av_log(h->avctx, AV_LOG_VERBOSE, "Invalid POC %d<%d\n", cur->poc, h->last_pocs[0]);
1467 for (i = 1; i < H264_MAX_DPB_FRAMES; i++)
1468 h->last_pocs[i] = INT_MIN;
1469 h->last_pocs[0] = cur->poc;
1470 cur->mmco_reset = 1;
1471
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22959 } else if(h->avctx->has_b_frames < out_of_order && !sps->bitstream_restriction_flag){
1472
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136 int loglevel = h->avctx->frame_number > 1 ? AV_LOG_WARNING : AV_LOG_VERBOSE;
1473 136 av_log(h->avctx, loglevel, "Increasing reorder buffer to %d\n", out_of_order);
1474 136 h->avctx->has_b_frames = out_of_order;
1475 }
1476
1477 22959 pics = 0;
1478
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51942 while (h->delayed_pic[pics])
1479 28983 pics++;
1480
1481
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22959 av_assert0(pics <= H264_MAX_DPB_FRAMES);
1482
1483 22959 h->delayed_pic[pics++] = cur;
1484
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22959 if (cur->reference == 0)
1485 21499 cur->reference = DELAYED_PIC_REF;
1486
1487 22959 out = h->delayed_pic[0];
1488 22959 out_idx = 0;
1489 22959 for (i = 1; h->delayed_pic[i] &&
1490
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49047 !h->delayed_pic[i]->f->key_frame &&
1491
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26175 !h->delayed_pic[i]->mmco_reset;
1492 26088 i++)
1493
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26088 if (h->delayed_pic[i]->poc < out->poc) {
1494 9697 out = h->delayed_pic[i];
1495 9697 out_idx = i;
1496 }
1497
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22959 if (h->avctx->has_b_frames == 0 &&
1498
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9820 (h->delayed_pic[0]->f->key_frame || h->delayed_pic[0]->mmco_reset))
1499 791 h->next_outputed_poc = INT_MIN;
1500 22959 out_of_order = out->poc < h->next_outputed_poc;
1501
1502
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22959 if (out_of_order || pics > h->avctx->has_b_frames) {
1503 22474 out->reference &= ~DELAYED_PIC_REF;
1504
2/2
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59150 for (i = out_idx; h->delayed_pic[i]; i++)
1505 36676 h->delayed_pic[i] = h->delayed_pic[i + 1];
1506 }
1507
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22959 if (!out_of_order && pics > h->avctx->has_b_frames) {
1508 22360 h->next_output_pic = out;
1509
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22360 if (out_idx == 0 && h->delayed_pic[0] && (h->delayed_pic[0]->f->key_frame || h->delayed_pic[0]->mmco_reset)) {
1510 86 h->next_outputed_poc = INT_MIN;
1511 } else
1512 22274 h->next_outputed_poc = out->poc;
1513
1514
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22360 if (out->recovered) {
1515 // We have reached an recovery point and all frames after it in
1516 // display order are "recovered".
1517 22271 h->frame_recovered |= FRAME_RECOVERED_SEI;
1518 }
1519 22360 out->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_SEI);
1520
1521
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22360 if (!out->recovered) {
1522
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78 if (!(h->avctx->flags & AV_CODEC_FLAG_OUTPUT_CORRUPT) &&
1523
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78 !(h->avctx->flags2 & AV_CODEC_FLAG2_SHOW_ALL)) {
1524 78 h->next_output_pic = NULL;
1525 } else {
1526 out->f->flags |= AV_FRAME_FLAG_CORRUPT;
1527 }
1528 }
1529 } else {
1530
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599 av_log(h->avctx, AV_LOG_DEBUG, "no picture %s\n", out_of_order ? "ooo" : "");
1531 }
1532
1533 22959 return 0;
1534 }
1535
1536 /* This function is called right after decoding the slice header for a first
1537 * slice in a field (or a frame). It decides whether we are decoding a new frame
1538 * or a second field in a pair and does the necessary setup.
1539 */
1540 26296 static int h264_field_start(H264Context *h, const H264SliceContext *sl,
1541 const H2645NAL *nal, int first_slice)
1542 {
1543 int i;
1544 const SPS *sps;
1545
1546 int last_pic_structure, last_pic_droppable, ret;
1547
1548 26296 ret = h264_init_ps(h, sl, first_slice);
1549
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26296 if (ret < 0)
1550 return ret;
1551
1552 26296 sps = h->ps.sps;
1553
1554
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✓ Branch 3 taken 22571 times.
26296 if (sps && sps->bitstream_restriction_flag &&
1555
2/2
✓ Branch 0 taken 25 times.
✓ Branch 1 taken 3700 times.
3725 h->avctx->has_b_frames < sps->num_reorder_frames) {
1556 25 h->avctx->has_b_frames = sps->num_reorder_frames;
1557 }
1558
1559 26296 last_pic_droppable = h->droppable;
1560 26296 last_pic_structure = h->picture_structure;
1561 26296 h->droppable = (nal->ref_idc == 0);
1562 26296 h->picture_structure = sl->picture_structure;
1563
1564 26296 h->poc.frame_num = sl->frame_num;
1565 26296 h->poc.poc_lsb = sl->poc_lsb;
1566 26296 h->poc.delta_poc_bottom = sl->delta_poc_bottom;
1567 26296 h->poc.delta_poc[0] = sl->delta_poc[0];
1568 26296 h->poc.delta_poc[1] = sl->delta_poc[1];
1569
1570
2/2
✓ Branch 0 taken 1022 times.
✓ Branch 1 taken 25274 times.
26296 if (nal->type == H264_NAL_IDR_SLICE)
1571 1022 h->poc_offset = sl->idr_pic_id;
1572
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 25274 times.
25274 else if (h->picture_intra_only)
1573 h->poc_offset = 0;
1574
1575 /* Shorten frame num gaps so we don't have to allocate reference
1576 * frames just to throw them away */
1577
2/2
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✓ Branch 1 taken 11474 times.
26296 if (h->poc.frame_num != h->poc.prev_frame_num) {
1578 14822 int unwrap_prev_frame_num = h->poc.prev_frame_num;
1579 14822 int max_frame_num = 1 << sps->log2_max_frame_num;
1580
1581
2/2
✓ Branch 0 taken 148 times.
✓ Branch 1 taken 14674 times.
14822 if (unwrap_prev_frame_num > h->poc.frame_num)
1582 148 unwrap_prev_frame_num -= max_frame_num;
1583
1584
2/2
✓ Branch 0 taken 73 times.
✓ Branch 1 taken 14749 times.
14822 if ((h->poc.frame_num - unwrap_prev_frame_num) > sps->ref_frame_count) {
1585 73 unwrap_prev_frame_num = (h->poc.frame_num - sps->ref_frame_count) - 1;
1586
2/2
✓ Branch 0 taken 2 times.
✓ Branch 1 taken 71 times.
73 if (unwrap_prev_frame_num < 0)
1587 2 unwrap_prev_frame_num += max_frame_num;
1588
1589 73 h->poc.prev_frame_num = unwrap_prev_frame_num;
1590 }
1591 }
1592
1593 /* See if we have a decoded first field looking for a pair...
1594 * Here, we're using that to see if we should mark previously
1595 * decode frames as "finished".
1596 * We have to do that before the "dummy" in-between frame allocation,
1597 * since that can modify h->cur_pic_ptr. */
1598
2/2
✓ Branch 0 taken 3332 times.
✓ Branch 1 taken 22964 times.
26296 if (h->first_field) {
1599 3332 int last_field = last_pic_structure == PICT_BOTTOM_FIELD;
1600
1/2
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✓ Branch 1 taken 3332 times.
3332 av_assert0(h->cur_pic_ptr);
1601
1/2
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✓ Branch 1 taken 3332 times.
3332 av_assert0(h->cur_pic_ptr->f->buf[0]);
1602 assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
1603
1604 /* Mark old field/frame as completed */
1605
1/2
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✗ Branch 1 not taken.
3332 if (h->cur_pic_ptr->tf.owner[last_field] == h->avctx) {
1606 3332 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, last_field);
1607 }
1608
1609 /* figure out if we have a complementary field pair */
1610
2/4
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✗ Branch 1 not taken.
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✓ Branch 3 taken 3332 times.
3332 if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
1611 /* Previous field is unmatched. Don't display it, but let it
1612 * remain for reference if marked as such. */
1613 if (last_pic_structure != PICT_FRAME) {
1614 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
1615 last_pic_structure == PICT_TOP_FIELD);
1616 }
1617 } else {
1618
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3332 times.
3332 if (h->cur_pic_ptr->frame_num != h->poc.frame_num) {
1619 /* This and previous field were reference, but had
1620 * different frame_nums. Consider this field first in
1621 * pair. Throw away previous field except for reference
1622 * purposes. */
1623 if (last_pic_structure != PICT_FRAME) {
1624 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
1625 last_pic_structure == PICT_TOP_FIELD);
1626 }
1627 } else {
1628 /* Second field in complementary pair */
1629
3/4
✓ Branch 0 taken 3324 times.
✓ Branch 1 taken 8 times.
✓ Branch 2 taken 8 times.
✗ Branch 3 not taken.
3332 if (!((last_pic_structure == PICT_TOP_FIELD &&
1630
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3324 times.
3324 h->picture_structure == PICT_BOTTOM_FIELD) ||
1631 8 (last_pic_structure == PICT_BOTTOM_FIELD &&
1632
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8 times.
8 h->picture_structure == PICT_TOP_FIELD))) {
1633 av_log(h->avctx, AV_LOG_ERROR,
1634 "Invalid field mode combination %d/%d\n",
1635 last_pic_structure, h->picture_structure);
1636 h->picture_structure = last_pic_structure;
1637 h->droppable = last_pic_droppable;
1638 return AVERROR_INVALIDDATA;
1639
1/2
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✓ Branch 1 taken 3332 times.
3332 } else if (last_pic_droppable != h->droppable) {
1640 avpriv_request_sample(h->avctx,
1641 "Found reference and non-reference fields in the same frame, which");
1642 h->picture_structure = last_pic_structure;
1643 h->droppable = last_pic_droppable;
1644 return AVERROR_PATCHWELCOME;
1645 }
1646 }
1647 }
1648 }
1649
1650
3/4
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✓ Branch 1 taken 11474 times.
✓ Branch 2 taken 15515 times.
✗ Branch 3 not taken.
26989 while (h->poc.frame_num != h->poc.prev_frame_num && !h->first_field &&
1651
2/2
✓ Branch 0 taken 693 times.
✓ Branch 1 taken 14822 times.
15515 h->poc.frame_num != (h->poc.prev_frame_num + 1) % (1 << sps->log2_max_frame_num)) {
1652
2/2
✓ Branch 0 taken 669 times.
✓ Branch 1 taken 24 times.
693 H264Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
1653 693 av_log(h->avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n",
1654 h->poc.frame_num, h->poc.prev_frame_num);
1655
2/2
✓ Branch 0 taken 116 times.
✓ Branch 1 taken 577 times.
693 if (!sps->gaps_in_frame_num_allowed_flag)
1656
2/2
✓ Branch 0 taken 1856 times.
✓ Branch 1 taken 116 times.
1972 for(i=0; i<FF_ARRAY_ELEMS(h->last_pocs); i++)
1657 1856 h->last_pocs[i] = INT_MIN;
1658 693 ret = h264_frame_start(h);
1659
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 693 times.
693 if (ret < 0) {
1660 h->first_field = 0;
1661 return ret;
1662 }
1663
1664 693 h->poc.prev_frame_num++;
1665 693 h->poc.prev_frame_num %= 1 << sps->log2_max_frame_num;
1666 693 h->cur_pic_ptr->frame_num = h->poc.prev_frame_num;
1667 693 h->cur_pic_ptr->invalid_gap = !sps->gaps_in_frame_num_allowed_flag;
1668 693 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
1669 693 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
1670
1671 693 h->explicit_ref_marking = 0;
1672 693 ret = ff_h264_execute_ref_pic_marking(h);
1673
1/4
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✓ Branch 1 taken 693 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
693 if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
1674 return ret;
1675 /* Error concealment: If a ref is missing, copy the previous ref
1676 * in its place.
1677 * FIXME: Avoiding a memcpy would be nice, but ref handling makes
1678 * many assumptions about there being no actual duplicates.
1679 * FIXME: This does not copy padding for out-of-frame motion
1680 * vectors. Given we are concealing a lost frame, this probably
1681 * is not noticeable by comparison, but it should be fixed. */
1682
1/2
✓ Branch 0 taken 693 times.
✗ Branch 1 not taken.
693 if (h->short_ref_count) {
1683 693 int c[4] = {
1684 693 1<<(h->ps.sps->bit_depth_luma-1),
1685 693 1<<(h->ps.sps->bit_depth_chroma-1),
1686 693 1<<(h->ps.sps->bit_depth_chroma-1),
1687 -1
1688 };
1689
1690
2/2
✓ Branch 0 taken 669 times.
✓ Branch 1 taken 24 times.
693 if (prev &&
1691
1/2
✓ Branch 0 taken 669 times.
✗ Branch 1 not taken.
669 h->short_ref[0]->f->width == prev->f->width &&
1692
1/2
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✗ Branch 1 not taken.
669 h->short_ref[0]->f->height == prev->f->height &&
1693
1/2
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✗ Branch 1 not taken.
669 h->short_ref[0]->f->format == prev->f->format) {
1694 669 ff_thread_await_progress(&prev->tf, INT_MAX, 0);
1695
2/2
✓ Branch 0 taken 28 times.
✓ Branch 1 taken 641 times.
669 if (prev->field_picture)
1696 28 ff_thread_await_progress(&prev->tf, INT_MAX, 1);
1697 669 ff_thread_release_ext_buffer(h->avctx, &h->short_ref[0]->tf);
1698 669 h->short_ref[0]->tf.f = h->short_ref[0]->f;
1699 669 ret = ff_thread_ref_frame(&h->short_ref[0]->tf, &prev->tf);
1700
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 669 times.
669 if (ret < 0)
1701 return ret;
1702 669 h->short_ref[0]->poc = prev->poc + 2U;
1703 669 ff_thread_report_progress(&h->short_ref[0]->tf, INT_MAX, 0);
1704
2/2
✓ Branch 0 taken 28 times.
✓ Branch 1 taken 641 times.
669 if (h->short_ref[0]->field_picture)
1705 28 ff_thread_report_progress(&h->short_ref[0]->tf, INT_MAX, 1);
1706
3/4
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✓ Branch 1 taken 7 times.
✓ Branch 2 taken 17 times.
✗ Branch 3 not taken.
24 } else if (!h->frame_recovered && !h->avctx->hwaccel)
1707 17 ff_color_frame(h->short_ref[0]->f, c);
1708 693 h->short_ref[0]->frame_num = h->poc.prev_frame_num;
1709 }
1710 }
1711
1712 /* See if we have a decoded first field looking for a pair...
1713 * We're using that to see whether to continue decoding in that
1714 * frame, or to allocate a new one. */
1715
2/2
✓ Branch 0 taken 3332 times.
✓ Branch 1 taken 22964 times.
26296 if (h->first_field) {
1716
1/2
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✓ Branch 1 taken 3332 times.
3332 av_assert0(h->cur_pic_ptr);
1717
1/2
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✓ Branch 1 taken 3332 times.
3332 av_assert0(h->cur_pic_ptr->f->buf[0]);
1718 assert(h->cur_pic_ptr->reference != DELAYED_PIC_REF);
1719
1720 /* figure out if we have a complementary field pair */
1721
2/4
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✗ Branch 1 not taken.
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✓ Branch 3 taken 3332 times.
3332 if (!FIELD_PICTURE(h) || h->picture_structure == last_pic_structure) {
1722 /* Previous field is unmatched. Don't display it, but let it
1723 * remain for reference if marked as such. */
1724 h->missing_fields ++;
1725 h->cur_pic_ptr = NULL;
1726 h->first_field = FIELD_PICTURE(h);
1727 } else {
1728 3332 h->missing_fields = 0;
1729
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3332 times.
3332 if (h->cur_pic_ptr->frame_num != h->poc.frame_num) {
1730 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
1731 h->picture_structure==PICT_BOTTOM_FIELD);
1732 /* This and the previous field had different frame_nums.
1733 * Consider this field first in pair. Throw away previous
1734 * one except for reference purposes. */
1735 h->first_field = 1;
1736 h->cur_pic_ptr = NULL;
1737
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3332 times.
3332 } else if (h->cur_pic_ptr->reference & DELAYED_PIC_REF) {
1738 /* This frame was already output, we cannot draw into it
1739 * anymore.
1740 */
1741 h->first_field = 1;
1742 h->cur_pic_ptr = NULL;
1743 } else {
1744 /* Second field in complementary pair */
1745 3332 h->first_field = 0;
1746 }
1747 }
1748 } else {
1749 /* Frame or first field in a potentially complementary pair */
1750 22964 h->first_field = FIELD_PICTURE(h);
1751 }
1752
1753
4/4
✓ Branch 0 taken 6669 times.
✓ Branch 1 taken 19627 times.
✓ Branch 2 taken 3337 times.
✓ Branch 3 taken 3332 times.
26296 if (!FIELD_PICTURE(h) || h->first_field) {
1754
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 22964 times.
22964 if (h264_frame_start(h) < 0) {
1755 h->first_field = 0;
1756 return AVERROR_INVALIDDATA;
1757 }
1758 } else {
1759 3332 int field = h->picture_structure == PICT_BOTTOM_FIELD;
1760 3332 release_unused_pictures(h, 0);
1761 3332 h->cur_pic_ptr->tf.owner[field] = h->avctx;
1762 }
1763 /* Some macroblocks can be accessed before they're available in case
1764 * of lost slices, MBAFF or threading. */
1765
2/2
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✓ Branch 1 taken 19627 times.
26296 if (FIELD_PICTURE(h)) {
1766
2/2
✓ Branch 0 taken 164292 times.
✓ Branch 1 taken 6669 times.
170961 for(i = (h->picture_structure == PICT_BOTTOM_FIELD); i<h->mb_height; i++)
1767 164292 memset(h->slice_table + i*h->mb_stride, -1, (h->mb_stride - (i+1==h->mb_height)) * sizeof(*h->slice_table));
1768 } else {
1769 19627 memset(h->slice_table, -1,
1770 19627 (h->mb_height * h->mb_stride - 1) * sizeof(*h->slice_table));
1771 }
1772
1773 26296 ret = ff_h264_init_poc(h->cur_pic_ptr->field_poc, &h->cur_pic_ptr->poc,
1774 26296 h->ps.sps, &h->poc, h->picture_structure, nal->ref_idc);
1775
1/2
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✓ Branch 1 taken 26296 times.
26296 if (ret < 0)
1776 return ret;
1777
1778 26296 memcpy(h->mmco, sl->mmco, sl->nb_mmco * sizeof(*h->mmco));
1779 26296 h->nb_mmco = sl->nb_mmco;
1780 26296 h->explicit_ref_marking = sl->explicit_ref_marking;
1781
1782 26296 h->picture_idr = nal->type == H264_NAL_IDR_SLICE;
1783
1784
2/2
✓ Branch 0 taken 60 times.
✓ Branch 1 taken 26236 times.
26296 if (h->sei.recovery_point.recovery_frame_cnt >= 0) {
1785 60 const int sei_recovery_frame_cnt = h->sei.recovery_point.recovery_frame_cnt;
1786
1787
4/4
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✓ Branch 1 taken 36 times.
✓ Branch 2 taken 11 times.
✓ Branch 3 taken 13 times.
60 if (h->poc.frame_num != sei_recovery_frame_cnt || sl->slice_type_nos != AV_PICTURE_TYPE_I)
1788 47 h->valid_recovery_point = 1;
1789
1790
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 59 times.
60 if ( h->recovery_frame < 0
1791
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
1 || av_mod_uintp2(h->recovery_frame - h->poc.frame_num, h->ps.sps->log2_max_frame_num) > sei_recovery_frame_cnt) {
1792 59 h->recovery_frame = av_mod_uintp2(h->poc.frame_num + sei_recovery_frame_cnt, h->ps.sps->log2_max_frame_num);
1793
1794
2/2
✓ Branch 0 taken 6 times.
✓ Branch 1 taken 53 times.
59 if (!h->valid_recovery_point)
1795 6 h->recovery_frame = h->poc.frame_num;
1796 }
1797 }
1798
1799 26296 h->cur_pic_ptr->f->key_frame |= (nal->type == H264_NAL_IDR_SLICE);
1800
1801
2/2
✓ Branch 0 taken 25274 times.
✓ Branch 1 taken 1022 times.
26296 if (nal->type == H264_NAL_IDR_SLICE ||
1802
4/4
✓ Branch 0 taken 49 times.
✓ Branch 1 taken 25225 times.
✓ Branch 2 taken 47 times.
✓ Branch 3 taken 2 times.
25274 (h->recovery_frame == h->poc.frame_num && nal->ref_idc)) {
1803 1069 h->recovery_frame = -1;
1804 1069 h->cur_pic_ptr->recovered = 1;
1805 }
1806 // If we have an IDR, all frames after it in decoded order are
1807 // "recovered".
1808
2/2
✓ Branch 0 taken 1022 times.
✓ Branch 1 taken 25274 times.
26296 if (nal->type == H264_NAL_IDR_SLICE)
1809 1022 h->frame_recovered |= FRAME_RECOVERED_IDR;
1810 #if 1
1811 26296 h->cur_pic_ptr->recovered |= h->frame_recovered;
1812 #else
1813 h->cur_pic_ptr->recovered |= !!(h->frame_recovered & FRAME_RECOVERED_IDR);
1814 #endif
1815
1816 /* Set the frame properties/side data. Only done for the second field in
1817 * field coded frames, since some SEI information is present for each field
1818 * and is merged by the SEI parsing code. */
1819
5/6
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✓ Branch 2 taken 3337 times.
✓ Branch 3 taken 3332 times.
✗ Branch 4 not taken.
✓ Branch 5 taken 3337 times.
26296 if (!FIELD_PICTURE(h) || !h->first_field || h->missing_fields > 1) {
1820 22959 ret = h264_export_frame_props(h);
1821
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 22959 times.
22959 if (ret < 0)
1822 return ret;
1823
1824 22959 ret = h264_select_output_frame(h);
1825
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 22959 times.
22959 if (ret < 0)
1826 return ret;
1827 }
1828
1829 26296 return 0;
1830 }
1831
1832 34870 static int h264_slice_header_parse(const H264Context *h, H264SliceContext *sl,
1833 const H2645NAL *nal)
1834 {
1835 const SPS *sps;
1836 const PPS *pps;
1837 int ret;
1838 unsigned int slice_type, tmp, i;
1839 int field_pic_flag, bottom_field_flag;
1840
4/4
✓ Branch 0 taken 34420 times.
✓ Branch 1 taken 450 times.
✓ Branch 2 taken 26563 times.
✓ Branch 3 taken 7857 times.
34870 int first_slice = sl == h->slice_ctx && !h->current_slice;
1841 int picture_structure;
1842
1843
2/2
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✓ Branch 1 taken 8307 times.
34870 if (first_slice)
1844
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 26563 times.
26563 av_assert0(!h->setup_finished);
1845
1846 34870 sl->first_mb_addr = get_ue_golomb_long(&sl->gb);
1847
1848 34870 slice_type = get_ue_golomb_31(&sl->gb);
1849
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34870 times.
34870 if (slice_type > 9) {
1850 av_log(h->avctx, AV_LOG_ERROR,
1851 "slice type %d too large at %d\n",
1852 slice_type, sl->first_mb_addr);
1853 return AVERROR_INVALIDDATA;
1854 }
1855
2/2
✓ Branch 0 taken 21827 times.
✓ Branch 1 taken 13043 times.
34870 if (slice_type > 4) {
1856 21827 slice_type -= 5;
1857 21827 sl->slice_type_fixed = 1;
1858 } else
1859 13043 sl->slice_type_fixed = 0;
1860
1861 34870 slice_type = ff_h264_golomb_to_pict_type[slice_type];
1862 34870 sl->slice_type = slice_type;
1863 34870 sl->slice_type_nos = slice_type & 3;
1864
1865
2/2
✓ Branch 0 taken 2086 times.
✓ Branch 1 taken 32784 times.
34870 if (nal->type == H264_NAL_IDR_SLICE &&
1866
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2086 times.
2086 sl->slice_type_nos != AV_PICTURE_TYPE_I) {
1867 av_log(h->avctx, AV_LOG_ERROR, "A non-intra slice in an IDR NAL unit.\n");
1868 return AVERROR_INVALIDDATA;
1869 }
1870
1871 34870 sl->pps_id = get_ue_golomb(&sl->gb);
1872
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34870 times.
34870 if (sl->pps_id >= MAX_PPS_COUNT) {
1873 av_log(h->avctx, AV_LOG_ERROR, "pps_id %u out of range\n", sl->pps_id);
1874 return AVERROR_INVALIDDATA;
1875 }
1876
2/2
✓ Branch 0 taken 389 times.
✓ Branch 1 taken 34481 times.
34870 if (!h->ps.pps_list[sl->pps_id]) {
1877 389 av_log(h->avctx, AV_LOG_ERROR,
1878 "non-existing PPS %u referenced\n",
1879 sl->pps_id);
1880 389 return AVERROR_INVALIDDATA;
1881 }
1882 34481 pps = (const PPS*)h->ps.pps_list[sl->pps_id]->data;
1883 34481 sps = pps->sps;
1884
1885 34481 sl->frame_num = get_bits(&sl->gb, sps->log2_max_frame_num);
1886
2/2
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✓ Branch 1 taken 26183 times.
34481 if (!first_slice) {
1887
1/2
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✓ Branch 1 taken 8298 times.
8298 if (h->poc.frame_num != sl->frame_num) {
1888 av_log(h->avctx, AV_LOG_ERROR, "Frame num change from %d to %d\n",
1889 h->poc.frame_num, sl->frame_num);
1890 return AVERROR_INVALIDDATA;
1891 }
1892 }
1893
1894 34481 sl->mb_mbaff = 0;
1895
1896
2/2
✓ Branch 0 taken 20540 times.
✓ Branch 1 taken 13941 times.
34481 if (sps->frame_mbs_only_flag) {
1897 20540 picture_structure = PICT_FRAME;
1898 } else {
1899
1/4
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✓ Branch 1 taken 13941 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
13941 if (!sps->direct_8x8_inference_flag && slice_type == AV_PICTURE_TYPE_B) {
1900 av_log(h->avctx, AV_LOG_ERROR, "This stream was generated by a broken encoder, invalid 8x8 inference\n");
1901 return -1;
1902 }
1903 13941 field_pic_flag = get_bits1(&sl->gb);
1904
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13941 if (field_pic_flag) {
1905 8676 bottom_field_flag = get_bits1(&sl->gb);
1906 8676 picture_structure = PICT_TOP_FIELD + bottom_field_flag;
1907 } else {
1908 5265 picture_structure = PICT_FRAME;
1909 }
1910 }
1911 34481 sl->picture_structure = picture_structure;
1912 34481 sl->mb_field_decoding_flag = picture_structure != PICT_FRAME;
1913
1914
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34481 if (picture_structure == PICT_FRAME) {
1915 25805 sl->curr_pic_num = sl->frame_num;
1916 25805 sl->max_pic_num = 1 << sps->log2_max_frame_num;
1917 } else {
1918 8676 sl->curr_pic_num = 2 * sl->frame_num + 1;
1919 8676 sl->max_pic_num = 1 << (sps->log2_max_frame_num + 1);
1920 }
1921
1922
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34481 if (nal->type == H264_NAL_IDR_SLICE) {
1923 2081 unsigned idr_pic_id = get_ue_golomb_long(&sl->gb);
1924
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2081 if (idr_pic_id < 65536) {
1925 2081 sl->idr_pic_id = idr_pic_id;
1926 } else
1927 av_log(h->avctx, AV_LOG_WARNING, "idr_pic_id is invalid\n");
1928 }
1929
1930 34481 sl->poc_lsb = 0;
1931 34481 sl->delta_poc_bottom = 0;
1932
2/2
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34481 if (sps->poc_type == 0) {
1933 27128 sl->poc_lsb = get_bits(&sl->gb, sps->log2_max_poc_lsb);
1934
1935
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)
1936 5830 sl->delta_poc_bottom = get_se_golomb(&sl->gb);
1937 }
1938
1939 34481 sl->delta_poc[0] = sl->delta_poc[1] = 0;
1940
4/4
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✓ Branch 1 taken 31417 times.
✓ Branch 2 taken 2848 times.
✓ Branch 3 taken 216 times.
34481 if (sps->poc_type == 1 && !sps->delta_pic_order_always_zero_flag) {
1941 2848 sl->delta_poc[0] = get_se_golomb(&sl->gb);
1942
1943
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)
1944 453 sl->delta_poc[1] = get_se_golomb(&sl->gb);
1945 }
1946
1947 34481 sl->redundant_pic_count = 0;
1948
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34481 if (pps->redundant_pic_cnt_present)
1949 sl->redundant_pic_count = get_ue_golomb(&sl->gb);
1950
1951
2/2
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✓ Branch 1 taken 22405 times.
34481 if (sl->slice_type_nos == AV_PICTURE_TYPE_B)
1952 12076 sl->direct_spatial_mv_pred = get_bits1(&sl->gb);
1953
1954 34481 ret = ff_h264_parse_ref_count(&sl->list_count, sl->ref_count,
1955 &sl->gb, pps, sl->slice_type_nos,
1956 34481 picture_structure, h->avctx);
1957
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34481 if (ret < 0)
1958 return ret;
1959
1960
2/2
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✓ Branch 1 taken 4240 times.
34481 if (sl->slice_type_nos != AV_PICTURE_TYPE_I) {
1961 30241 ret = ff_h264_decode_ref_pic_list_reordering(sl, h->avctx);
1962
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30241 if (ret < 0) {
1963 sl->ref_count[1] = sl->ref_count[0] = 0;
1964 return ret;
1965 }
1966 }
1967
1968 34481 sl->pwt.use_weight = 0;
1969
2/2
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103443 for (i = 0; i < 2; i++) {
1970 68962 sl->pwt.luma_weight_flag[i] = 0;
1971 68962 sl->pwt.chroma_weight_flag[i] = 0;
1972 }
1973
4/4
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✓ Branch 1 taken 32182 times.
✓ Branch 2 taken 904 times.
✓ Branch 3 taken 1395 times.
34481 if ((pps->weighted_pred && sl->slice_type_nos == AV_PICTURE_TYPE_P) ||
1974
2/2
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✓ Branch 1 taken 32808 times.
33086 (pps->weighted_bipred_idc == 1 &&
1975
1/2
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✗ Branch 1 not taken.
278 sl->slice_type_nos == AV_PICTURE_TYPE_B)) {
1976 1673 ret = ff_h264_pred_weight_table(&sl->gb, sps, sl->ref_count,
1977 sl->slice_type_nos, &sl->pwt,
1978 1673 picture_structure, h->avctx);
1979
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✓ Branch 1 taken 1673 times.
1673 if (ret < 0)
1980 return ret;
1981 }
1982
1983 34481 sl->explicit_ref_marking = 0;
1984
2/2
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✓ Branch 1 taken 11444 times.
34481 if (nal->ref_idc) {
1985 23037 ret = ff_h264_decode_ref_pic_marking(sl, &sl->gb, nal, h->avctx);
1986
1/4
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23037 if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
1987 return AVERROR_INVALIDDATA;
1988 }
1989
1990
4/4
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✓ Branch 1 taken 4240 times.
✓ Branch 2 taken 15994 times.
✓ Branch 3 taken 14247 times.
34481 if (sl->slice_type_nos != AV_PICTURE_TYPE_I && pps->cabac) {
1991 15994 tmp = get_ue_golomb_31(&sl->gb);
1992
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✓ Branch 1 taken 15994 times.
15994 if (tmp > 2) {
1993 av_log(h->avctx, AV_LOG_ERROR, "cabac_init_idc %u overflow\n", tmp);
1994 return AVERROR_INVALIDDATA;
1995 }
1996 15994 sl->cabac_init_idc = tmp;
1997 }
1998
1999 34481 sl->last_qscale_diff = 0;
2000 34481 tmp = pps->init_qp + (unsigned)get_se_golomb(&sl->gb);
2001
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34481 if (tmp > 51 + 6 * (sps->bit_depth_luma - 8)) {
2002 av_log(h->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
2003 return AVERROR_INVALIDDATA;
2004 }
2005 34481 sl->qscale = tmp;
2006 34481 sl->chroma_qp[0] = get_chroma_qp(pps, 0, sl->qscale);
2007 34481 sl->chroma_qp[1] = get_chroma_qp(pps, 1, sl->qscale);
2008 // FIXME qscale / qp ... stuff
2009
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✓ Branch 1 taken 34481 times.
34481 if (sl->slice_type == AV_PICTURE_TYPE_SP)
2010 get_bits1(&sl->gb); /* sp_for_switch_flag */
2011
1/2
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✗ Branch 1 not taken.
34481 if (sl->slice_type == AV_PICTURE_TYPE_SP ||
2012
1/2
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✓ Branch 1 taken 34481 times.
34481 sl->slice_type == AV_PICTURE_TYPE_SI)
2013 get_se_golomb(&sl->gb); /* slice_qs_delta */
2014
2015 34481 sl->deblocking_filter = 1;
2016 34481 sl->slice_alpha_c0_offset = 0;
2017 34481 sl->slice_beta_offset = 0;
2018
2/2
✓ Branch 0 taken 20025 times.
✓ Branch 1 taken 14456 times.
34481 if (pps->deblocking_filter_parameters_present) {
2019 20025 tmp = get_ue_golomb_31(&sl->gb);
2020
1/2
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✓ Branch 1 taken 20025 times.
20025 if (tmp > 2) {
2021 av_log(h->avctx, AV_LOG_ERROR,
2022 "deblocking_filter_idc %u out of range\n", tmp);
2023 return AVERROR_INVALIDDATA;
2024 }
2025 20025 sl->deblocking_filter = tmp;
2026
2/2
✓ Branch 0 taken 17524 times.
✓ Branch 1 taken 2501 times.
20025 if (sl->deblocking_filter < 2)
2027 17524 sl->deblocking_filter ^= 1; // 1<->0
2028
2029
2/2
✓ Branch 0 taken 13012 times.
✓ Branch 1 taken 7013 times.
20025 if (sl->deblocking_filter) {
2030 13012 int slice_alpha_c0_offset_div2 = get_se_golomb(&sl->gb);
2031 13012 int slice_beta_offset_div2 = get_se_golomb(&sl->gb);
2032
2/4
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✗ Branch 3 not taken.
13012 if (slice_alpha_c0_offset_div2 > 6 ||
2033
1/2
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✗ Branch 1 not taken.
13012 slice_alpha_c0_offset_div2 < -6 ||
2034
1/2
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✓ Branch 1 taken 13012 times.
13012 slice_beta_offset_div2 > 6 ||
2035 slice_beta_offset_div2 < -6) {
2036 av_log(h->avctx, AV_LOG_ERROR,
2037 "deblocking filter parameters %d %d out of range\n",
2038 slice_alpha_c0_offset_div2, slice_beta_offset_div2);
2039 return AVERROR_INVALIDDATA;
2040 }
2041 13012 sl->slice_alpha_c0_offset = slice_alpha_c0_offset_div2 * 2;
2042 13012 sl->slice_beta_offset = slice_beta_offset_div2 * 2;
2043 }
2044 }
2045
2046 34481 return 0;
2047 }
2048
2049 /* do all the per-slice initialization needed before we can start decoding the
2050 * actual MBs */
2051 34401 static int h264_slice_init(H264Context *h, H264SliceContext *sl,
2052 const H2645NAL *nal)
2053 {
2054 34401 int i, j, ret = 0;
2055
2056
3/4
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✓ Branch 3 taken 2081 times.
34401 if (h->picture_idr && nal->type != H264_NAL_IDR_SLICE) {
2057 av_log(h->avctx, AV_LOG_ERROR, "Invalid mix of IDR and non-IDR slices\n");
2058 return AVERROR_INVALIDDATA;
2059 }
2060
2061 av_assert1(h->mb_num == h->mb_width * h->mb_height);
2062
5/6
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✓ Branch 1 taken 4768 times.
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✓ Branch 3 taken 21037 times.
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✗ Branch 5 not taken.
34401 if (sl->first_mb_addr << FIELD_OR_MBAFF_PICTURE(h) >= h->mb_num ||
2063
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34401 times.
34401 sl->first_mb_addr >= h->mb_num) {
2064 av_log(h->avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
2065 return AVERROR_INVALIDDATA;
2066 }
2067 34401 sl->resync_mb_x = sl->mb_x = sl->first_mb_addr % h->mb_width;
2068 68802 sl->resync_mb_y = sl->mb_y = (sl->first_mb_addr / h->mb_width) <<
2069
4/4
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✓ Branch 1 taken 4768 times.
✓ Branch 2 taken 8596 times.
✓ Branch 3 taken 21037 times.
34401 FIELD_OR_MBAFF_PICTURE(h);
2070
2/2
✓ Branch 0 taken 4295 times.
✓ Branch 1 taken 30106 times.
34401 if (h->picture_structure == PICT_BOTTOM_FIELD)
2071 4295 sl->resync_mb_y = sl->mb_y = sl->mb_y + 1;
2072 av_assert1(sl->mb_y < h->mb_height);
2073
2074 34401 ret = ff_h264_build_ref_list(h, sl);
2075
1/2
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✓ Branch 1 taken 34401 times.
34401 if (ret < 0)
2076 return ret;
2077
2078
2/2
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✓ Branch 1 taken 31975 times.
34401 if (h->ps.pps->weighted_bipred_idc == 2 &&
2079
2/2
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✓ Branch 1 taken 837 times.
2426 sl->slice_type_nos == AV_PICTURE_TYPE_B) {
2080 1589 implicit_weight_table(h, sl, -1);
2081
2/2
✓ Branch 0 taken 855 times.
✓ Branch 1 taken 734 times.
1589 if (FRAME_MBAFF(h)) {
2082 855 implicit_weight_table(h, sl, 0);
2083 855 implicit_weight_table(h, sl, 1);
2084 }
2085 }
2086
2087
4/4
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✓ Branch 1 taken 22369 times.
✓ Branch 2 taken 7703 times.
✓ Branch 3 taken 4329 times.
34401 if (sl->slice_type_nos == AV_PICTURE_TYPE_B && !sl->direct_spatial_mv_pred)
2088 7703 ff_h264_direct_dist_scale_factor(h, sl);
2089
1/2
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✗ Branch 1 not taken.
34401 if (!h->setup_finished)
2090 34401 ff_h264_direct_ref_list_init(h, sl);
2091
2092
1/2
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✗ Branch 1 not taken.
34401 if (h->avctx->skip_loop_filter >= AVDISCARD_ALL ||
2093
1/2
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✓ Branch 1 taken 34401 times.
34401 (h->avctx->skip_loop_filter >= AVDISCARD_NONKEY &&
2094 h->nal_unit_type != H264_NAL_IDR_SLICE) ||
2095
1/2
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✓ Branch 1 taken 34401 times.
34401 (h->avctx->skip_loop_filter >= AVDISCARD_NONINTRA &&
2096 sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
2097
1/2
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✓ Branch 1 taken 34401 times.
34401 (h->avctx->skip_loop_filter >= AVDISCARD_BIDIR &&
2098 sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
2099
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34401 times.
34401 (h->avctx->skip_loop_filter >= AVDISCARD_NONREF &&
2100 nal->ref_idc == 0))
2101 sl->deblocking_filter = 0;
2102
2103
3/4
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✓ Branch 3 taken 24887 times.
34401 if (sl->deblocking_filter == 1 && h->nb_slice_ctx > 1) {
2104 if (h->avctx->flags2 & AV_CODEC_FLAG2_FAST) {
2105 /* Cheat slightly for speed:
2106 * Do not bother to deblock across slices. */
2107 sl->deblocking_filter = 2;
2108 } else {
2109 h->postpone_filter = 1;
2110 }
2111 }
2112 34401 sl->qp_thresh = 15 -
2113 34401 FFMIN(sl->slice_alpha_c0_offset, sl->slice_beta_offset) -
2114 34401 FFMAX3(0,
2115 h->ps.pps->chroma_qp_index_offset[0],
2116 34401 h->ps.pps->chroma_qp_index_offset[1]) +
2117 34401 6 * (h->ps.sps->bit_depth_luma - 8);
2118
2119 34401 sl->slice_num = ++h->current_slice;
2120
2121
1/2
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✗ Branch 1 not taken.
34401 if (sl->slice_num)
2122 34401 h->slice_row[(sl->slice_num-1)&(MAX_SLICES-1)]= sl->resync_mb_y;
2123
2/2
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✓ Branch 1 taken 2668 times.
34401 if ( h->slice_row[sl->slice_num&(MAX_SLICES-1)] + 3 >= sl->resync_mb_y
2124
2/2
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✓ Branch 1 taken 7813 times.
31733 && h->slice_row[sl->slice_num&(MAX_SLICES-1)] <= sl->resync_mb_y
2125
1/2
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✓ Branch 1 taken 23920 times.
23920 && sl->slice_num >= MAX_SLICES) {
2126 //in case of ASO this check needs to be updated depending on how we decide to assign slice numbers in this case
2127 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);
2128 }
2129
2130
2/2
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✓ Branch 1 taken 34401 times.
103203 for (j = 0; j < 2; j++) {
2131 int id_list[16];
2132 68802 int *ref2frm = h->ref2frm[sl->slice_num & (MAX_SLICES - 1)][j];
2133
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1169634 for (i = 0; i < 16; i++) {
2134 1100832 id_list[i] = 60;
2135
4/4
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✓ Branch 1 taken 425744 times.
✓ Branch 2 taken 134619 times.
✓ Branch 3 taken 540469 times.
1100832 if (j < sl->list_count && i < sl->ref_count[j] &&
2136
1/2
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✗ Branch 1 not taken.
134619 sl->ref_list[j][i].parent->f->buf[0]) {
2137 int k;
2138 134619 AVBuffer *buf = sl->ref_list[j][i].parent->f->buf[0]->buffer;
2139
2/2
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✓ Branch 1 taken 1933 times.
460185 for (k = 0; k < h->short_ref_count; k++)
2140
2/2
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✓ Branch 1 taken 325566 times.
458252 if (h->short_ref[k]->f->buf[0]->buffer == buf) {
2141 132686 id_list[i] = k;
2142 132686 break;
2143 }
2144
2/2
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✓ Branch 1 taken 132827 times.
144697 for (k = 0; k < h->long_ref_count; k++)
2145
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) {
2146 1792 id_list[i] = h->short_ref_count + k;
2147 1792 break;
2148 }
2149 }
2150 }
2151
2152 68802 ref2frm[0] =
2153 68802 ref2frm[1] = -1;
2154
2/2
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✓ Branch 1 taken 68802 times.
1169634 for (i = 0; i < 16; i++)
2155 1100832 ref2frm[i + 2] = 4 * id_list[i] + (sl->ref_list[j][i].reference & 3);
2156 68802 ref2frm[18 + 0] =
2157 68802 ref2frm[18 + 1] = -1;
2158
2/2
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✓ Branch 1 taken 68802 times.
2270466 for (i = 16; i < 48; i++)
2159 2201664 ref2frm[i + 4] = 4 * id_list[(i - 16) >> 1] +
2160 2201664 (sl->ref_list[j][i].reference & 3);
2161 }
2162
2163
1/2
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✓ Branch 1 taken 34401 times.
34401 if (h->avctx->debug & FF_DEBUG_PICT_INFO) {
2164 av_log(h->avctx, AV_LOG_DEBUG,
2165 "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",
2166 sl->slice_num,
2167 (h->picture_structure == PICT_FRAME ? 'F' : h->picture_structure == PICT_TOP_FIELD ? 'T' : 'B'),
2168 sl->mb_y * h->mb_width + sl->mb_x,
2169 av_get_picture_type_char(sl->slice_type),
2170 sl->slice_type_fixed ? " fix" : "",
2171 nal->type == H264_NAL_IDR_SLICE ? " IDR" : "",
2172 h->poc.frame_num,
2173 h->cur_pic_ptr->field_poc[0],
2174 h->cur_pic_ptr->field_poc[1],
2175 sl->ref_count[0], sl->ref_count[1],
2176 sl->qscale,
2177 sl->deblocking_filter,
2178 sl->slice_alpha_c0_offset, sl->slice_beta_offset,
2179 sl->pwt.use_weight,
2180 sl->pwt.use_weight == 1 && sl->pwt.use_weight_chroma ? "c" : "",
2181 sl->slice_type == AV_PICTURE_TYPE_B ? (sl->direct_spatial_mv_pred ? "SPAT" : "TEMP") : "");
2182 }
2183
2184 34401 return 0;
2185 }
2186
2187 34870 int ff_h264_queue_decode_slice(H264Context *h, const H2645NAL *nal)
2188 {
2189 34870 H264SliceContext *sl = h->slice_ctx + h->nb_slice_ctx_queued;
2190
4/4
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✓ Branch 1 taken 450 times.
✓ Branch 2 taken 26563 times.
✓ Branch 3 taken 7857 times.
34870 int first_slice = sl == h->slice_ctx && !h->current_slice;
2191 int ret;
2192
2193 34870 sl->gb = nal->gb;
2194
2195 34870 ret = h264_slice_header_parse(h, sl, nal);
2196
2/2
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✓ Branch 1 taken 34481 times.
34870 if (ret < 0)
2197 389 return ret;
2198
2199 // discard redundant pictures
2200
1/2
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✓ Branch 1 taken 34481 times.
34481 if (sl->redundant_pic_count > 0) {
2201 sl->ref_count[0] = sl->ref_count[1] = 0;
2202 return 0;
2203 }
2204
2205
3/4
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34481 if (sl->first_mb_addr == 0 || !h->current_slice) {
2206
1/2
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✓ Branch 1 taken 26376 times.
26376 if (h->setup_finished) {
2207 av_log(h->avctx, AV_LOG_ERROR, "Too many fields\n");
2208 return AVERROR_INVALIDDATA;
2209 }
2210 }
2211
2212
2/2
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✓ Branch 1 taken 8105 times.
34481 if (sl->first_mb_addr == 0) { // FIXME better field boundary detection
2213
2/2
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✓ Branch 1 taken 26183 times.
26376 if (h->current_slice) {
2214 // this slice starts a new field
2215 // first decode any pending queued slices
2216
1/2
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✓ Branch 1 taken 193 times.
193 if (h->nb_slice_ctx_queued) {
2217 H264SliceContext tmp_ctx;
2218
2219 ret = ff_h264_execute_decode_slices(h);
2220 if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
2221 return ret;
2222
2223 memcpy(&tmp_ctx, h->slice_ctx, sizeof(tmp_ctx));
2224 memcpy(h->slice_ctx, sl, sizeof(tmp_ctx));
2225 memcpy(sl, &tmp_ctx, sizeof(tmp_ctx));
2226 sl = h->slice_ctx;
2227 }
2228
2229
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193 if (h->cur_pic_ptr && FIELD_PICTURE(h) && h->first_field) {
2230 193 ret = ff_h264_field_end(h, h->slice_ctx, 1);
2231
1/2
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✓ Branch 1 taken 193 times.
193 if (ret < 0)
2232 return ret;
2233 } else if (h->cur_pic_ptr && !FIELD_PICTURE(h) && !h->first_field && h->nal_unit_type == H264_NAL_IDR_SLICE) {
2234 av_log(h, AV_LOG_WARNING, "Broken frame packetizing\n");
2235 ret = ff_h264_field_end(h, h->slice_ctx, 1);
2236 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 0);
2237 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX, 1);
2238 h->cur_pic_ptr = NULL;
2239 if (ret < 0)
2240 return ret;
2241 } else
2242 return AVERROR_INVALIDDATA;
2243 }
2244
2245
2/2
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26376 if (!h->first_field) {
2246
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✗ Branch 3 not taken.
23044 if (h->cur_pic_ptr && !h->droppable) {
2247 299 ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
2248 299 h->picture_structure == PICT_BOTTOM_FIELD);
2249 }
2250 23044 h->cur_pic_ptr = NULL;
2251 }
2252 }
2253
2254
2/2
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34481 if (!h->current_slice)
2255
1/2
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26376 av_assert0(sl == h->slice_ctx);
2256
2257
4/4
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✓ Branch 1 taken 8105 times.
✓ Branch 2 taken 23044 times.
✓ Branch 3 taken 3332 times.
34481 if (h->current_slice == 0 && !h->first_field) {
2258 23044 if (
2259
3/4
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✓ Branch 1 taken 22960 times.
✓ Branch 2 taken 84 times.
✗ Branch 3 not taken.
23044 (h->avctx->skip_frame >= AVDISCARD_NONREF && !h->nal_ref_idc) ||
2260
4/4
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✓ Branch 1 taken 22960 times.
✓ Branch 2 taken 40 times.
✓ Branch 3 taken 44 times.
23044 (h->avctx->skip_frame >= AVDISCARD_BIDIR && sl->slice_type_nos == AV_PICTURE_TYPE_B) ||
2261
4/4
✓ Branch 0 taken 40 times.
✓ Branch 1 taken 22960 times.
✓ Branch 2 taken 4 times.
✓ Branch 3 taken 36 times.
23000 (h->avctx->skip_frame >= AVDISCARD_NONINTRA && sl->slice_type_nos != AV_PICTURE_TYPE_I) ||
2262
4/6
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✓ Branch 1 taken 22962 times.
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✗ Branch 3 not taken.
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22964 (h->avctx->skip_frame >= AVDISCARD_NONKEY && h->nal_unit_type != H264_NAL_IDR_SLICE && h->sei.recovery_point.recovery_frame_cnt < 0) ||
2263
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22964 h->avctx->skip_frame >= AVDISCARD_ALL) {
2264 80 return 0;
2265 }
2266 }
2267
2268
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34401 if (!first_slice) {
2269 8298 const PPS *pps = (const PPS*)h->ps.pps_list[sl->pps_id]->data;
2270
2271
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8298 if (h->ps.pps->sps_id != pps->sps_id ||
2272
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8298 h->ps.pps->transform_8x8_mode != pps->transform_8x8_mode /*||
2273 (h->setup_finished && h->ps.pps != pps)*/) {
2274 av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\n");
2275 return AVERROR_INVALIDDATA;
2276 }
2277
1/2
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✓ Branch 1 taken 8298 times.
8298 if (h->ps.sps != pps->sps) {
2278 av_log(h->avctx, AV_LOG_ERROR,
2279 "SPS changed in the middle of the frame\n");
2280 return AVERROR_INVALIDDATA;
2281 }
2282 }
2283
2284
2/2
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34401 if (h->current_slice == 0) {
2285 26296 ret = h264_field_start(h, sl, nal, first_slice);
2286
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✓ Branch 1 taken 26296 times.
26296 if (ret < 0)
2287 return ret;
2288 } else {
2289
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✗ Branch 1 not taken.
8105 if (h->picture_structure != sl->picture_structure ||
2290
1/2
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✓ Branch 1 taken 8105 times.
8105 h->droppable != (nal->ref_idc == 0)) {
2291 av_log(h->avctx, AV_LOG_ERROR,
2292 "Changing field mode (%d -> %d) between slices is not allowed\n",
2293 h->picture_structure, sl->picture_structure);
2294 return AVERROR_INVALIDDATA;
2295
1/2
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✓ Branch 1 taken 8105 times.
8105 } else if (!h->cur_pic_ptr) {
2296 av_log(h->avctx, AV_LOG_ERROR,
2297 "unset cur_pic_ptr on slice %d\n",
2298 h->current_slice + 1);
2299 return AVERROR_INVALIDDATA;
2300 }
2301 }
2302
2303 34401 ret = h264_slice_init(h, sl, nal);
2304
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✓ Branch 1 taken 34401 times.
34401 if (ret < 0)
2305 return ret;
2306
2307 34401 h->nb_slice_ctx_queued++;
2308
2309 34401 return 0;
2310 }
2311
2312 int ff_h264_get_slice_type(const H264SliceContext *sl)
2313 {
2314 switch (sl->slice_type) {
2315 case AV_PICTURE_TYPE_P:
2316 return 0;
2317 case AV_PICTURE_TYPE_B:
2318 return 1;
2319 case AV_PICTURE_TYPE_I:
2320 return 2;
2321 case AV_PICTURE_TYPE_SP:
2322 return 3;
2323 case AV_PICTURE_TYPE_SI:
2324 return 4;
2325 default:
2326 return AVERROR_INVALIDDATA;
2327 }
2328 }
2329
2330 11553265 static av_always_inline void fill_filter_caches_inter(const H264Context *h,
2331 H264SliceContext *sl,
2332 int mb_type, int top_xy,
2333 int left_xy[LEFT_MBS],
2334 int top_type,
2335 int left_type[LEFT_MBS],
2336 int mb_xy, int list)
2337 {
2338 11553265 int b_stride = h->b_stride;
2339 11553265 int16_t(*mv_dst)[2] = &sl->mv_cache[list][scan8[0]];
2340 11553265 int8_t *ref_cache = &sl->ref_cache[list][scan8[0]];
2341
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11553265 if (IS_INTER(mb_type) || IS_DIRECT(mb_type)) {
2342
2/2
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11553265 if (USES_LIST(top_type, list)) {
2343 9295765 const int b_xy = h->mb2b_xy[top_xy] + 3 * b_stride;
2344 9295765 const int b8_xy = 4 * top_xy + 2;
2345
2/2
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9295765 const int *ref2frm = &h->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][list][(MB_MBAFF(sl) ? 20 : 2)];
2346 9295765 AV_COPY128(mv_dst - 1 * 8, h->cur_pic.motion_val[list][b_xy + 0]);
2347 9295765 ref_cache[0 - 1 * 8] =
2348 9295765 ref_cache[1 - 1 * 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 0]];
2349 9295765 ref_cache[2 - 1 * 8] =
2350 9295765 ref_cache[3 - 1 * 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 1]];
2351 } else {
2352 2257500 AV_ZERO128(mv_dst - 1 * 8);
2353 2257500 AV_WN32A(&ref_cache[0 - 1 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2354 }
2355
2356
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✓ Branch 1 taken 410663 times.
11553265 if (!IS_INTERLACED(mb_type ^ left_type[LTOP])) {
2357
2/2
✓ Branch 0 taken 9325030 times.
✓ Branch 1 taken 1817572 times.
11142602 if (USES_LIST(left_type[LTOP], list)) {
2358 9325030 const int b_xy = h->mb2b_xy[left_xy[LTOP]] + 3;
2359 9325030 const int b8_xy = 4 * left_xy[LTOP] + 1;
2360
2/2
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✓ Branch 1 taken 9105989 times.
9325030 const int *ref2frm = &h->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][list][(MB_MBAFF(sl) ? 20 : 2)];
2361 9325030 AV_COPY32(mv_dst - 1 + 0, h->cur_pic.motion_val[list][b_xy + b_stride * 0]);
2362 9325030 AV_COPY32(mv_dst - 1 + 8, h->cur_pic.motion_val[list][b_xy + b_stride * 1]);
2363 9325030 AV_COPY32(mv_dst - 1 + 16, h->cur_pic.motion_val[list][b_xy + b_stride * 2]);
2364 9325030 AV_COPY32(mv_dst - 1 + 24, h->cur_pic.motion_val[list][b_xy + b_stride * 3]);
2365 9325030 ref_cache[-1 + 0] =
2366 9325030 ref_cache[-1 + 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 2 * 0]];
2367 9325030 ref_cache[-1 + 16] =
2368 9325030 ref_cache[-1 + 24] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 2 * 1]];
2369 } else {
2370 1817572 AV_ZERO32(mv_dst - 1 + 0);
2371 1817572 AV_ZERO32(mv_dst - 1 + 8);
2372 1817572 AV_ZERO32(mv_dst - 1 + 16);
2373 1817572 AV_ZERO32(mv_dst - 1 + 24);
2374 1817572 ref_cache[-1 + 0] =
2375 1817572 ref_cache[-1 + 8] =
2376 1817572 ref_cache[-1 + 16] =
2377 1817572 ref_cache[-1 + 24] = LIST_NOT_USED;
2378 }
2379 }
2380 }
2381
2382
2/2
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✓ Branch 1 taken 10290275 times.
11553265 if (!USES_LIST(mb_type, list)) {
2383 1262990 fill_rectangle(mv_dst, 4, 4, 8, pack16to32(0, 0), 4);
2384 1262990 AV_WN32A(&ref_cache[0 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2385 1262990 AV_WN32A(&ref_cache[1 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2386 1262990 AV_WN32A(&ref_cache[2 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2387 1262990 AV_WN32A(&ref_cache[3 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
2388 1262990 return;
2389 }
2390
2391 {
2392 10290275 int8_t *ref = &h->cur_pic.ref_index[list][4 * mb_xy];
2393
2/2
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✓ Branch 1 taken 9910727 times.
10290275 const int *ref2frm = &h->ref2frm[sl->slice_num & (MAX_SLICES - 1)][list][(MB_MBAFF(sl) ? 20 : 2)];
2394 10290275 uint32_t ref01 = (pack16to32(ref2frm[ref[0]], ref2frm[ref[1]]) & 0x00FF00FF) * 0x0101;
2395 10290275 uint32_t ref23 = (pack16to32(ref2frm[ref[2]], ref2frm[ref[3]]) & 0x00FF00FF) * 0x0101;
2396 10290275 AV_WN32A(&ref_cache[0 * 8], ref01);
2397 10290275 AV_WN32A(&ref_cache[1 * 8], ref01);
2398 10290275 AV_WN32A(&ref_cache[2 * 8], ref23);
2399 10290275 AV_WN32A(&ref_cache[3 * 8], ref23);
2400 }
2401
2402 {
2403 10290275 int16_t(*mv_src)[2] = &h->cur_pic.motion_val[list][4 * sl->mb_x + 4 * sl->mb_y * b_stride];
2404 10290275 AV_COPY128(mv_dst + 8 * 0, mv_src + 0 * b_stride);
2405 10290275 AV_COPY128(mv_dst + 8 * 1, mv_src + 1 * b_stride);
2406 10290275 AV_COPY128(mv_dst + 8 * 2, mv_src + 2 * b_stride);
2407 10290275 AV_COPY128(mv_dst + 8 * 3, mv_src + 3 * b_stride);
2408 }
2409 }
2410
2411 /**
2412 * @return non zero if the loop filter can be skipped
2413 */
2414 11663673 static int fill_filter_caches(const H264Context *h, H264SliceContext *sl, int mb_type)
2415 {
2416 11663673 const int mb_xy = sl->mb_xy;
2417 int top_xy, left_xy[LEFT_MBS];
2418 int top_type, left_type[LEFT_MBS];
2419 uint8_t *nnz;
2420 uint8_t *nnz_cache;
2421
2422 11663673 top_xy = mb_xy - (h->mb_stride << MB_FIELD(sl));
2423
2424 11663673 left_xy[LBOT] = left_xy[LTOP] = mb_xy - 1;
2425
2/2
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11663673 if (FRAME_MBAFF(h)) {
2426 1814136 const int left_mb_field_flag = IS_INTERLACED(h->cur_pic.mb_type[mb_xy - 1]);
2427 1814136 const int curr_mb_field_flag = IS_INTERLACED(mb_type);
2428
2/2
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1814136 if (sl->mb_y & 1) {
2429
2/2
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✓ Branch 1 taken 717802 times.
907068 if (left_mb_field_flag != curr_mb_field_flag)
2430 189266 left_xy[LTOP] -= h->mb_stride;
2431 } else {
2432
2/2
✓ Branch 0 taken 241257 times.
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907068 if (curr_mb_field_flag)
2433 241257 top_xy += h->mb_stride &
2434 241257 (((h->cur_pic.mb_type[top_xy] >> 7) & 1) - 1);
2435
2/2
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907068 if (left_mb_field_flag != curr_mb_field_flag)
2436 189266 left_xy[LBOT] += h->mb_stride;
2437 }
2438 }
2439
2440 11663673 sl->top_mb_xy = top_xy;
2441 11663673 sl->left_mb_xy[LTOP] = left_xy[LTOP];
2442 11663673 sl->left_mb_xy[LBOT] = left_xy[LBOT];
2443 {
2444 /* For sufficiently low qp, filtering wouldn't do anything.
2445 * This is a conservative estimate: could also check beta_offset
2446 * and more accurate chroma_qp. */
2447 11663673 int qp_thresh = sl->qp_thresh; // FIXME strictly we should store qp_thresh for each mb of a slice
2448 11663673 int qp = h->cur_pic.qscale_table[mb_xy];
2449
2/2
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11663673 if (qp <= qp_thresh &&
2450
2/2
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✓ Branch 1 taken 838 times.
1468148 (left_xy[LTOP] < 0 ||
2451
4/4
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✓ Branch 1 taken 71634 times.
✓ Branch 2 taken 1336284 times.
✓ Branch 3 taken 60230 times.
1468148 ((qp + h->cur_pic.qscale_table[left_xy[LTOP]] + 1) >> 1) <= qp_thresh) &&
2452 1336284 (top_xy < 0 ||
2453
2/2
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✓ Branch 1 taken 176867 times.
1336284 ((qp + h->cur_pic.qscale_table[top_xy] + 1) >> 1) <= qp_thresh)) {
2454
2/2
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✓ Branch 1 taken 222445 times.
1219647 if (!FRAME_MBAFF(h))
2455 997202 return 1;
2456
2/2
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✓ Branch 1 taken 94 times.
222445 if ((left_xy[LTOP] < 0 ||
2457
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) &&
2458
2/2
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✓ Branch 1 taken 14571 times.
222040 (top_xy < h->mb_stride ||
2459
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))
2460 205646 return 1;
2461 }
2462 }
2463
2464 10460825 top_type = h->cur_pic.mb_type[top_xy];
2465 10460825 left_type[LTOP] = h->cur_pic.mb_type[left_xy[LTOP]];
2466 10460825 left_type[LBOT] = h->cur_pic.mb_type[left_xy[LBOT]];
2467
2/2
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✓ Branch 1 taken 9990449 times.
10460825 if (sl->deblocking_filter == 2) {
2468
2/2
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✓ Branch 1 taken 413498 times.
470376 if (h->slice_table[top_xy] != sl->slice_num)
2469 56878 top_type = 0;
2470
2/2
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✓ Branch 1 taken 456502 times.
470376 if (h->slice_table[left_xy[LBOT]] != sl->slice_num)
2471 13874 left_type[LTOP] = left_type[LBOT] = 0;
2472 } else {
2473
2/2
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9990449 if (h->slice_table[top_xy] == 0xFFFF)
2474 457052 top_type = 0;
2475
2/2
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✓ Branch 1 taken 9692802 times.
9990449 if (h->slice_table[left_xy[LBOT]] == 0xFFFF)
2476 297647 left_type[LTOP] = left_type[LBOT] = 0;
2477 }
2478 10460825 sl->top_type = top_type;
2479 10460825 sl->left_type[LTOP] = left_type[LTOP];
2480 10460825 sl->left_type[LBOT] = left_type[LBOT];
2481
2482
2/2
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10460825 if (IS_INTRA(mb_type))
2483 2895574 return 0;
2484
2485 7565251 fill_filter_caches_inter(h, sl, mb_type, top_xy, left_xy,
2486 top_type, left_type, mb_xy, 0);
2487
2/2
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7565251 if (sl->list_count == 2)
2488 3988014 fill_filter_caches_inter(h, sl, mb_type, top_xy, left_xy,
2489 top_type, left_type, mb_xy, 1);
2490
2491 7565251 nnz = h->non_zero_count[mb_xy];
2492 7565251 nnz_cache = sl->non_zero_count_cache;
2493 7565251 AV_COPY32(&nnz_cache[4 + 8 * 1], &nnz[0]);
2494 7565251 AV_COPY32(&nnz_cache[4 + 8 * 2], &nnz[4]);
2495 7565251 AV_COPY32(&nnz_cache[4 + 8 * 3], &nnz[8]);
2496 7565251 AV_COPY32(&nnz_cache[4 + 8 * 4], &nnz[12]);
2497 7565251 sl->cbp = h->cbp_table[mb_xy];
2498
2499
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✓ Branch 1 taken 411799 times.
7565251 if (top_type) {
2500 7153452 nnz = h->non_zero_count[top_xy];
2501 7153452 AV_COPY32(&nnz_cache[4 + 8 * 0], &nnz[3 * 4]);
2502 }
2503
2504
2/2
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✓ Branch 1 taken 255586 times.
7565251 if (left_type[LTOP]) {
2505 7309665 nnz = h->non_zero_count[left_xy[LTOP]];
2506 7309665 nnz_cache[3 + 8 * 1] = nnz[3 + 0 * 4];
2507 7309665 nnz_cache[3 + 8 * 2] = nnz[3 + 1 * 4];
2508 7309665 nnz_cache[3 + 8 * 3] = nnz[3 + 2 * 4];
2509 7309665 nnz_cache[3 + 8 * 4] = nnz[3 + 3 * 4];
2510 }
2511
2512 /* CAVLC 8x8dct requires NNZ values for residual decoding that differ
2513 * from what the loop filter needs */
2514
4/4
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✓ Branch 1 taken 5492355 times.
✓ Branch 2 taken 246512 times.
✓ Branch 3 taken 1826384 times.
7565251 if (!CABAC(h) && h->ps.pps->transform_8x8_mode) {
2515
2/2
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✓ Branch 1 taken 138632 times.
246512 if (IS_8x8DCT(top_type)) {
2516 107880 nnz_cache[4 + 8 * 0] =
2517 107880 nnz_cache[5 + 8 * 0] = (h->cbp_table[top_xy] & 0x4000) >> 12;
2518 107880 nnz_cache[6 + 8 * 0] =
2519 107880 nnz_cache[7 + 8 * 0] = (h->cbp_table[top_xy] & 0x8000) >> 12;
2520 }
2521
2/2
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✓ Branch 1 taken 136056 times.
246512 if (IS_8x8DCT(left_type[LTOP])) {
2522 110456 nnz_cache[3 + 8 * 1] =
2523 110456 nnz_cache[3 + 8 * 2] = (h->cbp_table[left_xy[LTOP]] & 0x2000) >> 12; // FIXME check MBAFF
2524 }
2525
2/2
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✓ Branch 1 taken 135956 times.
246512 if (IS_8x8DCT(left_type[LBOT])) {
2526 110556 nnz_cache[3 + 8 * 3] =
2527 110556 nnz_cache[3 + 8 * 4] = (h->cbp_table[left_xy[LBOT]] & 0x8000) >> 12; // FIXME check MBAFF
2528 }
2529
2530
2/2
✓ Branch 0 taken 104923 times.
✓ Branch 1 taken 141589 times.
246512 if (IS_8x8DCT(mb_type)) {
2531 104923 nnz_cache[scan8[0]] =
2532 104923 nnz_cache[scan8[1]] =
2533 104923 nnz_cache[scan8[2]] =
2534 104923 nnz_cache[scan8[3]] = (sl->cbp & 0x1000) >> 12;
2535
2536 104923 nnz_cache[scan8[0 + 4]] =
2537 104923 nnz_cache[scan8[1 + 4]] =
2538 104923 nnz_cache[scan8[2 + 4]] =
2539 104923 nnz_cache[scan8[3 + 4]] = (sl->cbp & 0x2000) >> 12;
2540
2541 104923 nnz_cache[scan8[0 + 8]] =
2542 104923 nnz_cache[scan8[1 + 8]] =
2543 104923 nnz_cache[scan8[2 + 8]] =
2544 104923 nnz_cache[scan8[3 + 8]] = (sl->cbp & 0x4000) >> 12;
2545
2546 104923 nnz_cache[scan8[0 + 12]] =
2547 104923 nnz_cache[scan8[1 + 12]] =
2548 104923 nnz_cache[scan8[2 + 12]] =
2549 104923 nnz_cache[scan8[3 + 12]] = (sl->cbp & 0x8000) >> 12;
2550 }
2551 }
2552
2553 7565251 return 0;
2554 }
2555
2556 368587 static void loop_filter(const H264Context *h, H264SliceContext *sl, int start_x, int end_x)
2557 {
2558 uint8_t *dest_y, *dest_cb, *dest_cr;
2559 int linesize, uvlinesize, mb_x, mb_y;
2560 368587 const int end_mb_y = sl->mb_y + FRAME_MBAFF(h);
2561 368587 const int old_slice_type = sl->slice_type;
2562 368587 const int pixel_shift = h->pixel_shift;
2563 368587 const int block_h = 16 >> h->chroma_y_shift;
2564
2565
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 368587 times.
368587 if (h->postpone_filter)
2566 return;
2567
2568
2/2
✓ Branch 0 taken 298489 times.
✓ Branch 1 taken 70098 times.
368587 if (sl->deblocking_filter) {
2569
2/2
✓ Branch 0 taken 10756605 times.
✓ Branch 1 taken 298489 times.
11055094 for (mb_x = start_x; mb_x < end_x; mb_x++)
2570
2/2
✓ Branch 0 taken 11663673 times.
✓ Branch 1 taken 10756605 times.
22420278 for (mb_y = end_mb_y - FRAME_MBAFF(h); mb_y <= end_mb_y; mb_y++) {
2571 int mb_xy, mb_type;
2572 11663673 mb_xy = sl->mb_xy = mb_x + mb_y * h->mb_stride;
2573 11663673 mb_type = h->cur_pic.mb_type[mb_xy];
2574
2575
2/2
✓ Branch 0 taken 1814136 times.
✓ Branch 1 taken 9849537 times.
11663673 if (FRAME_MBAFF(h))
2576 1814136 sl->mb_mbaff =
2577 1814136 sl->mb_field_decoding_flag = !!IS_INTERLACED(mb_type);
2578
2579 11663673 sl->mb_x = mb_x;
2580 11663673 sl->mb_y = mb_y;
2581 11663673 dest_y = h->cur_pic.f->data[0] +
2582 11663673 ((mb_x << pixel_shift) + mb_y * sl->linesize) * 16;
2583 23327346 dest_cb = h->cur_pic.f->data[1] +
2584
2/2
✓ Branch 0 taken 80328 times.
✓ Branch 1 taken 11583345 times.
11663673 (mb_x << pixel_shift) * (8 << CHROMA444(h)) +
2585 11663673 mb_y * sl->uvlinesize * block_h;
2586 23327346 dest_cr = h->cur_pic.f->data[2] +
2587
2/2
✓ Branch 0 taken 80328 times.
✓ Branch 1 taken 11583345 times.
11663673 (mb_x << pixel_shift) * (8 << CHROMA444(h)) +
2588 11663673 mb_y * sl->uvlinesize * block_h;
2589 // FIXME simplify above
2590
2591
2/2
✓ Branch 0 taken 4418472 times.
✓ Branch 1 taken 7245201 times.
11663673 if (MB_FIELD(sl)) {
2592 4418472 linesize = sl->mb_linesize = sl->linesize * 2;
2593 4418472 uvlinesize = sl->mb_uvlinesize = sl->uvlinesize * 2;
2594
2/2
✓ Branch 0 taken 2206497 times.
✓ Branch 1 taken 2211975 times.
4418472 if (mb_y & 1) { // FIXME move out of this function?
2595 2206497 dest_y -= sl->linesize * 15;
2596 2206497 dest_cb -= sl->uvlinesize * (block_h - 1);
2597 2206497 dest_cr -= sl->uvlinesize * (block_h - 1);
2598 }
2599 } else {
2600 7245201 linesize = sl->mb_linesize = sl->linesize;
2601 7245201 uvlinesize = sl->mb_uvlinesize = sl->uvlinesize;
2602 }
2603 11663673 backup_mb_border(h, sl, dest_y, dest_cb, dest_cr, linesize,
2604 uvlinesize, 0);
2605
2/2
✓ Branch 1 taken 1202848 times.
✓ Branch 2 taken 10460825 times.
11663673 if (fill_filter_caches(h, sl, mb_type))
2606 1202848 continue;
2607 10460825 sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, h->cur_pic.qscale_table[mb_xy]);
2608 10460825 sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, h->cur_pic.qscale_table[mb_xy]);
2609
2610
2/2
✓ Branch 0 taken 1608490 times.
✓ Branch 1 taken 8852335 times.
10460825 if (FRAME_MBAFF(h)) {
2611 1608490 ff_h264_filter_mb(h, sl, mb_x, mb_y, dest_y, dest_cb, dest_cr,
2612 linesize, uvlinesize);
2613 } else {
2614 8852335 ff_h264_filter_mb_fast(h, sl, mb_x, mb_y, dest_y, dest_cb,
2615 dest_cr, linesize, uvlinesize);
2616 }
2617 }
2618 }
2619 368587 sl->slice_type = old_slice_type;
2620 368587 sl->mb_x = end_x;
2621 368587 sl->mb_y = end_mb_y - FRAME_MBAFF(h);
2622 368587 sl->chroma_qp[0] = get_chroma_qp(h->ps.pps, 0, sl->qscale);
2623 368587 sl->chroma_qp[1] = get_chroma_qp(h->ps.pps, 1, sl->qscale);
2624 }
2625
2626 22884 static void predict_field_decoding_flag(const H264Context *h, H264SliceContext *sl)
2627 {
2628 22884 const int mb_xy = sl->mb_x + sl->mb_y * h->mb_stride;
2629 45768 int mb_type = (h->slice_table[mb_xy - 1] == sl->slice_num) ?
2630
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 22884 times.
45768 h->cur_pic.mb_type[mb_xy - 1] :
2631
2/2
✓ Branch 0 taken 22748 times.
✓ Branch 1 taken 136 times.
22884 (h->slice_table[mb_xy - h->mb_stride] == sl->slice_num) ?
2632 22748 h->cur_pic.mb_type[mb_xy - h->mb_stride] : 0;
2633 22884 sl->mb_mbaff = sl->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0;
2634 22884 }
2635
2636 /**
2637 * Draw edges and report progress for the last MB row.
2638 */
2639 364492 static void decode_finish_row(const H264Context *h, H264SliceContext *sl)
2640 {
2641 364492 int top = 16 * (sl->mb_y >> FIELD_PICTURE(h));
2642 364492 int pic_height = 16 * h->mb_height >> FIELD_PICTURE(h);
2643 364492 int height = 16 << FRAME_MBAFF(h);
2644 364492 int deblock_border = (16 + 4) << FRAME_MBAFF(h);
2645
2646
2/2
✓ Branch 0 taken 295406 times.
✓ Branch 1 taken 69086 times.
364492 if (sl->deblocking_filter) {
2647
2/2
✓ Branch 0 taken 20637 times.
✓ Branch 1 taken 274769 times.
295406 if ((top + height) >= pic_height)
2648 20637 height += deblock_border;
2649 295406 top -= deblock_border;
2650 }
2651
2652
3/4
✓ Branch 0 taken 364492 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 20638 times.
✓ Branch 3 taken 343854 times.
364492 if (top >= pic_height || (top + height) < 0)
2653 20638 return;
2654
2655 343854 height = FFMIN(height, pic_height - top);
2656
2/2
✓ Branch 0 taken 20638 times.
✓ Branch 1 taken 323216 times.
343854 if (top < 0) {
2657 20638 height = top + height;
2658 20638 top = 0;
2659 }
2660
2661 343854 ff_h264_draw_horiz_band(h, sl, top, height);
2662
2663
3/4
✓ Branch 0 taken 221083 times.
✓ Branch 1 taken 122771 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 221083 times.
343854 if (h->droppable || h->er.error_occurred)
2664 122771 return;
2665
2666 221083 ff_thread_report_progress(&h->cur_pic_ptr->tf, top + height - 1,
2667 221083 h->picture_structure == PICT_BOTTOM_FIELD);
2668 }
2669
2670 34401 static void er_add_slice(H264SliceContext *sl,
2671 int startx, int starty,
2672 int endx, int endy, int status)
2673 {
2674
2/2
✓ Branch 0 taken 1200 times.
✓ Branch 1 taken 33201 times.
34401 if (!sl->h264->enable_er)
2675 1200 return;
2676
2677 if (CONFIG_ERROR_RESILIENCE) {
2678 33201 ff_er_add_slice(sl->er, startx, starty, endx, endy, status);
2679 }
2680 }
2681
2682 34401 static int decode_slice(struct AVCodecContext *avctx, void *arg)
2683 {
2684 34401 H264SliceContext *sl = arg;
2685 34401 const H264Context *h = sl->h264;
2686 34401 int lf_x_start = sl->mb_x;
2687 34401 int orig_deblock = sl->deblocking_filter;
2688 int ret;
2689
2690 34401 sl->linesize = h->cur_pic_ptr->f->linesize[0];
2691 34401 sl->uvlinesize = h->cur_pic_ptr->f->linesize[1];
2692
2693 34401 ret = alloc_scratch_buffers(sl, sl->linesize);
2694
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34401 times.
34401 if (ret < 0)
2695 return ret;
2696
2697 34401 sl->mb_skip_run = -1;
2698
2699
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34401 times.
34401 av_assert0(h->block_offset[15] == (4 * ((scan8[15] - scan8[0]) & 7) << h->pixel_shift) + 4 * sl->linesize * ((scan8[15] - scan8[0]) >> 3));
2700
2701
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 34401 times.
34401 if (h->postpone_filter)
2702 sl->deblocking_filter = 0;
2703
2704
4/4
✓ Branch 0 taken 29633 times.
✓ Branch 1 taken 4768 times.
✓ Branch 2 taken 8596 times.
✓ Branch 3 taken 21037 times.
34401 sl->is_complex = FRAME_MBAFF(h) || h->picture_structure != PICT_FRAME ||
2705 (CONFIG_GRAY && (h->flags & AV_CODEC_FLAG_GRAY));
2706
2707
5/6
✓ Branch 0 taken 33201 times.
✓ Branch 1 taken 1200 times.
✓ Branch 2 taken 24605 times.
✓ Branch 3 taken 8596 times.
✓ Branch 4 taken 24605 times.
✗ Branch 5 not taken.
34401 if (!(h->avctx->active_thread_type & FF_THREAD_SLICE) && h->picture_structure == PICT_FRAME && sl->er->error_status_table) {
2708 24605 const int start_i = av_clip(sl->resync_mb_x + sl->resync_mb_y * h->mb_width, 0, h->mb_num - 1);
2709
2/2
✓ Branch 0 taken 5278 times.
✓ Branch 1 taken 19327 times.
24605 if (start_i) {
2710 5278 int prev_status = sl->er->error_status_table[sl->er->mb_index2xy[start_i - 1]];
2711 5278 prev_status &= ~ VP_START;
2712
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 5278 times.
5278 if (prev_status != (ER_MV_END | ER_DC_END | ER_AC_END))
2713 sl->er->error_occurred = 1;
2714 }
2715 }
2716
2717
2/2
✓ Branch 0 taken 18371 times.
✓ Branch 1 taken 16030 times.
34401 if (h->ps.pps->cabac) {
2718 /* realign */
2719 18371 align_get_bits(&sl->gb);
2720
2721 /* init cabac */
2722 36742 ret = ff_init_cabac_decoder(&sl->cabac,
2723 18371 sl->gb.buffer + get_bits_count(&sl->gb) / 8,
2724 18371 (get_bits_left(&sl->gb) + 7) / 8);
2725
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 18371 times.
18371 if (ret < 0)
2726 return ret;
2727
2728 18371 ff_h264_init_cabac_states(h, sl);
2729
2730 8550828 for (;;) {
2731 int ret, eos;
2732
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) {
2733 av_log(h->avctx, AV_LOG_ERROR, "Slice overlaps with next at %d\n",
2734 sl->next_slice_idx);
2735 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2736 sl->mb_y, ER_MB_ERROR);
2737 return AVERROR_INVALIDDATA;
2738 }
2739
2740 8569199 ret = ff_h264_decode_mb_cabac(h, sl);
2741
2742
2/2
✓ Branch 0 taken 8569198 times.
✓ Branch 1 taken 1 times.
8569199 if (ret >= 0)
2743 8569198 ff_h264_hl_decode_mb(h, sl);
2744
2745 // FIXME optimal? or let mb_decode decode 16x32 ?
2746
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)) {
2747 798720 sl->mb_y++;
2748
2749 798720 ret = ff_h264_decode_mb_cabac(h, sl);
2750
2751
1/2
✓ Branch 0 taken 798720 times.
✗ Branch 1 not taken.
798720 if (ret >= 0)
2752 798720 ff_h264_hl_decode_mb(h, sl);
2753 798720 sl->mb_y--;
2754 }
2755 8569199 eos = get_cabac_terminate(&sl->cabac);
2756
2757
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8569199 times.
8569199 if ((h->workaround_bugs & FF_BUG_TRUNCATED) &&
2758 sl->cabac.bytestream > sl->cabac.bytestream_end + 2) {
2759 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x - 1,
2760 sl->mb_y, ER_MB_END);
2761 if (sl->mb_x >= lf_x_start)
2762 loop_filter(h, sl, lf_x_start, sl->mb_x + 1);
2763 goto finish;
2764 }
2765
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 8569198 times.
8569199 if (sl->cabac.bytestream > sl->cabac.bytestream_end + 2 )
2766 1 av_log(h->avctx, AV_LOG_DEBUG, "bytestream overread %"PTRDIFF_SPECIFIER"\n", sl->cabac.bytestream_end - sl->cabac.bytestream);
2767
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) {
2768 2 av_log(h->avctx, AV_LOG_ERROR,
2769 "error while decoding MB %d %d, bytestream %"PTRDIFF_SPECIFIER"\n",
2770 sl->mb_x, sl->mb_y,
2771 2 sl->cabac.bytestream_end - sl->cabac.bytestream);
2772 2 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2773 sl->mb_y, ER_MB_ERROR);
2774 2 return AVERROR_INVALIDDATA;
2775 }
2776
2777
2/2
✓ Branch 0 taken 210044 times.
✓ Branch 1 taken 8359153 times.
8569197 if (++sl->mb_x >= h->mb_width) {
2778 210044 loop_filter(h, sl, lf_x_start, sl->mb_x);
2779 210044 sl->mb_x = lf_x_start = 0;
2780 210044 decode_finish_row(h, sl);
2781 210044 ++sl->mb_y;
2782
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)) {
2783 76828 ++sl->mb_y;
2784
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)
2785 17906 predict_field_decoding_flag(h, sl);
2786 }
2787 }
2788
2789
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) {
2790 ff_tlog(h->avctx, "slice end %d %d\n",
2791 get_bits_count(&sl->gb), sl->gb.size_in_bits);
2792 18369 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x - 1,
2793 sl->mb_y, ER_MB_END);
2794
2/2
✓ Branch 0 taken 1382 times.
✓ Branch 1 taken 16987 times.
18369 if (sl->mb_x > lf_x_start)
2795 1382 loop_filter(h, sl, lf_x_start, sl->mb_x);
2796 18369 goto finish;
2797 }
2798 }
2799 } else {
2800 4131011 for (;;) {
2801 int ret;
2802
2803
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4147041 times.
4147041 if (sl->mb_x + sl->mb_y * h->mb_width >= sl->next_slice_idx) {
2804 av_log(h->avctx, AV_LOG_ERROR, "Slice overlaps with next at %d\n",
2805 sl->next_slice_idx);
2806 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2807 sl->mb_y, ER_MB_ERROR);
2808 return AVERROR_INVALIDDATA;
2809 }
2810
2811 4147041 ret = ff_h264_decode_mb_cavlc(h, sl);
2812
2813
1/2
✓ Branch 0 taken 4147041 times.
✗ Branch 1 not taken.
4147041 if (ret >= 0)
2814 4147041 ff_h264_hl_decode_mb(h, sl);
2815
2816 // FIXME optimal? or let mb_decode decode 16x32 ?
2817
3/4
✓ Branch 0 taken 4147041 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 254472 times.
✓ Branch 3 taken 3892569 times.
4147041 if (ret >= 0 && FRAME_MBAFF(h)) {
2818 254472 sl->mb_y++;
2819 254472 ret = ff_h264_decode_mb_cavlc(h, sl);
2820
2821
1/2
✓ Branch 0 taken 254472 times.
✗ Branch 1 not taken.
254472 if (ret >= 0)
2822 254472 ff_h264_hl_decode_mb(h, sl);
2823 254472 sl->mb_y--;
2824 }
2825
2826
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4147041 times.
4147041 if (ret < 0) {
2827 av_log(h->avctx, AV_LOG_ERROR,
2828 "error while decoding MB %d %d\n", sl->mb_x, sl->mb_y);
2829 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2830 sl->mb_y, ER_MB_ERROR);
2831 return ret;
2832 }
2833
2834
2/2
✓ Branch 0 taken 154448 times.
✓ Branch 1 taken 3992593 times.
4147041 if (++sl->mb_x >= h->mb_width) {
2835 154448 loop_filter(h, sl, lf_x_start, sl->mb_x);
2836 154448 sl->mb_x = lf_x_start = 0;
2837 154448 decode_finish_row(h, sl);
2838 154448 ++sl->mb_y;
2839
4/4
✓ Branch 0 taken 148971 times.
✓ Branch 1 taken 5477 times.
✓ Branch 2 taken 26666 times.
✓ Branch 3 taken 122305 times.
154448 if (FIELD_OR_MBAFF_PICTURE(h)) {
2840 32143 ++sl->mb_y;
2841
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)
2842 4978 predict_field_decoding_flag(h, sl);
2843 }
2844
2/2
✓ Branch 0 taken 12453 times.
✓ Branch 1 taken 141995 times.
154448 if (sl->mb_y >= h->mb_height) {
2845 ff_tlog(h->avctx, "slice end %d %d\n",
2846 get_bits_count(&sl->gb), sl->gb.size_in_bits);
2847
2848
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 12453 times.
12453 if ( get_bits_left(&sl->gb) == 0
2849 || get_bits_left(&sl->gb) > 0 && !(h->avctx->err_recognition & AV_EF_AGGRESSIVE)) {
2850 12453 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
2851 12453 sl->mb_x - 1, sl->mb_y, ER_MB_END);
2852
2853 12453 goto finish;
2854 } else {
2855 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
2856 sl->mb_x, sl->mb_y, ER_MB_END);
2857
2858 return AVERROR_INVALIDDATA;
2859 }
2860 }
2861 }
2862
2863
4/4
✓ Branch 1 taken 161841 times.
✓ Branch 2 taken 3972747 times.
✓ Branch 3 taken 3577 times.
✓ Branch 4 taken 158264 times.
4134588 if (get_bits_left(&sl->gb) <= 0 && sl->mb_skip_run <= 0) {
2864 ff_tlog(h->avctx, "slice end %d %d\n",
2865 get_bits_count(&sl->gb), sl->gb.size_in_bits);
2866
2867
1/2
✓ Branch 1 taken 3577 times.
✗ Branch 2 not taken.
3577 if (get_bits_left(&sl->gb) == 0) {
2868 3577 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y,
2869 3577 sl->mb_x - 1, sl->mb_y, ER_MB_END);
2870
2/2
✓ Branch 0 taken 2713 times.
✓ Branch 1 taken 864 times.
3577 if (sl->mb_x > lf_x_start)
2871 2713 loop_filter(h, sl, lf_x_start, sl->mb_x);
2872
2873 3577 goto finish;
2874 } else {
2875 er_add_slice(sl, sl->resync_mb_x, sl->resync_mb_y, sl->mb_x,
2876 sl->mb_y, ER_MB_ERROR);
2877
2878 return AVERROR_INVALIDDATA;
2879 }
2880 }
2881 }
2882 }
2883
2884 34399 finish:
2885 34399 sl->deblocking_filter = orig_deblock;
2886 34399 return 0;
2887 }
2888
2889 /**
2890 * Call decode_slice() for each context.
2891 *
2892 * @param h h264 master context
2893 */
2894 60875 int ff_h264_execute_decode_slices(H264Context *h)
2895 {
2896 60875 AVCodecContext *const avctx = h->avctx;
2897 H264SliceContext *sl;
2898 60875 int context_count = h->nb_slice_ctx_queued;
2899 60875 int ret = 0;
2900 int i, j;
2901
2902 60875 h->slice_ctx[0].next_slice_idx = INT_MAX;
2903
2904
3/4
✓ Branch 0 taken 60875 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 26924 times.
✓ Branch 3 taken 33951 times.
60875 if (h->avctx->hwaccel || context_count < 1)
2905 26924 return 0;
2906
2907
2/4
✓ Branch 0 taken 33951 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 33951 times.
33951 av_assert0(context_count && h->slice_ctx[context_count - 1].mb_y < h->mb_height);
2908
2909
2/2
✓ Branch 0 taken 33501 times.
✓ Branch 1 taken 450 times.
33951 if (context_count == 1) {
2910
2911 33501 h->slice_ctx[0].next_slice_idx = h->mb_width * h->mb_height;
2912 33501 h->postpone_filter = 0;
2913
2914 33501 ret = decode_slice(avctx, &h->slice_ctx[0]);
2915 33501 h->mb_y = h->slice_ctx[0].mb_y;
2916
2/2
✓ Branch 0 taken 2 times.
✓ Branch 1 taken 33499 times.
33501 if (ret < 0)
2917 2 goto finish;
2918 } else {
2919
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 450 times.
450 av_assert0(context_count > 0);
2920
2/2
✓ Branch 0 taken 900 times.
✓ Branch 1 taken 450 times.
1350 for (i = 0; i < context_count; i++) {
2921 900 int next_slice_idx = h->mb_width * h->mb_height;
2922 int slice_idx;
2923
2924 900 sl = &h->slice_ctx[i];
2925
2926 /* make sure none of those slices overlap */
2927 900 slice_idx = sl->mb_y * h->mb_width + sl->mb_x;
2928
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2700 for (j = 0; j < context_count; j++) {
2929 1800 H264SliceContext *sl2 = &h->slice_ctx[j];
2930 1800 int slice_idx2 = sl2->mb_y * h->mb_width + sl2->mb_x;
2931
2932
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1800 if (i == j || slice_idx2 < slice_idx)
2933 1350 continue;
2934 450 next_slice_idx = FFMIN(next_slice_idx, slice_idx2);
2935 }
2936 900 sl->next_slice_idx = next_slice_idx;
2937 }
2938
2939 450 avctx->execute(avctx, decode_slice, h->slice_ctx,
2940 NULL, context_count, sizeof(h->slice_ctx[0]));
2941
2942 /* pull back stuff from slices to master context */
2943 450 sl = &h->slice_ctx[context_count - 1];
2944 450 h->mb_y = sl->mb_y;
2945
2946
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450 if (h->postpone_filter) {
2947 h->postpone_filter = 0;
2948
2949 for (i = 0; i < context_count; i++) {
2950 int y_end, x_end;
2951
2952 sl = &h->slice_ctx[i];
2953 y_end = FFMIN(sl->mb_y + 1, h->mb_height);
2954 x_end = (sl->mb_y >= h->mb_height) ? h->mb_width : sl->mb_x;
2955
2956 for (j = sl->resync_mb_y; j < y_end; j += 1 + FIELD_OR_MBAFF_PICTURE(h)) {
2957 sl->mb_y = j;
2958 loop_filter(h, sl, j > sl->resync_mb_y ? 0 : sl->resync_mb_x,
2959 j == y_end - 1 ? x_end : h->mb_width);
2960 }
2961 }
2962 }
2963 }
2964
2965 450 finish:
2966 33951 h->nb_slice_ctx_queued = 0;
2967 33951 return ret;
2968 }
2969