FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vaapi_hevc.c
Date: 2025-04-25 22:50:00
Exec Total Coverage
Lines: 0 400 0.0%
Functions: 0 11 0.0%
Branches: 0 220 0.0%

Line Branch Exec Source
1 /*
2 * HEVC HW decode acceleration through VA API
3 *
4 * Copyright (C) 2015 Timo Rothenpieler <timo@rothenpieler.org>
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include <va/va.h>
24 #include <va/va_dec_hevc.h>
25
26 #include "avcodec.h"
27 #include "hwaccel_internal.h"
28 #include "vaapi_decode.h"
29 #include "vaapi_hevc.h"
30 #include "h265_profile_level.h"
31
32 #include "hevc/hevcdec.h"
33
34 typedef struct VAAPIDecodePictureHEVC {
35 #if VA_CHECK_VERSION(1, 2, 0)
36 VAPictureParameterBufferHEVCExtension pic_param;
37 VASliceParameterBufferHEVCExtension last_slice_param;
38 #else
39 VAPictureParameterBufferHEVC pic_param;
40 VASliceParameterBufferHEVC last_slice_param;
41 #endif
42 const uint8_t *last_buffer;
43 size_t last_size;
44
45 VAAPIDecodePicture pic;
46 } VAAPIDecodePictureHEVC;
47
48 static void init_vaapi_pic(VAPictureHEVC *va_pic)
49 {
50 va_pic->picture_id = VA_INVALID_ID;
51 va_pic->flags = VA_PICTURE_HEVC_INVALID;
52 va_pic->pic_order_cnt = 0;
53 }
54
55 static void fill_vaapi_pic(VAPictureHEVC *va_pic, const HEVCFrame *pic, int rps_type)
56 {
57 va_pic->picture_id = ff_vaapi_get_surface_id(pic->f);
58 va_pic->pic_order_cnt = pic->poc;
59 va_pic->flags = rps_type;
60
61 if (pic->flags & HEVC_FRAME_FLAG_LONG_REF)
62 va_pic->flags |= VA_PICTURE_HEVC_LONG_TERM_REFERENCE;
63
64 if (pic->f->flags & AV_FRAME_FLAG_INTERLACED) {
65 va_pic->flags |= VA_PICTURE_HEVC_FIELD_PIC;
66
67 if (!(pic->f->flags & AV_FRAME_FLAG_TOP_FIELD_FIRST))
68 va_pic->flags |= VA_PICTURE_HEVC_BOTTOM_FIELD;
69 }
70 }
71
72 static int find_frame_rps_type(const HEVCContext *h, const HEVCFrame *pic)
73 {
74 VASurfaceID pic_surf = ff_vaapi_get_surface_id(pic->f);
75 const HEVCFrame *current_picture = h->cur_frame;
76 int i;
77
78 for (i = 0; i < h->rps[ST_CURR_BEF].nb_refs; i++) {
79 if (pic_surf == ff_vaapi_get_surface_id(h->rps[ST_CURR_BEF].ref[i]->f))
80 return VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE;
81 }
82
83 for (i = 0; i < h->rps[ST_CURR_AFT].nb_refs; i++) {
84 if (pic_surf == ff_vaapi_get_surface_id(h->rps[ST_CURR_AFT].ref[i]->f))
85 return VA_PICTURE_HEVC_RPS_ST_CURR_AFTER;
86 }
87
88 for (i = 0; i < h->rps[LT_CURR].nb_refs; i++) {
89 if (pic_surf == ff_vaapi_get_surface_id(h->rps[LT_CURR].ref[i]->f))
90 return VA_PICTURE_HEVC_RPS_LT_CURR;
91 }
92
93 if (h->pps->pps_curr_pic_ref_enabled_flag && current_picture->poc == pic->poc)
94 return VA_PICTURE_HEVC_LONG_TERM_REFERENCE;
95
96 return 0;
97 }
98
99 static void fill_vaapi_reference_frames(const HEVCContext *h, const HEVCLayerContext *l,
100 VAPictureParameterBufferHEVC *pp)
101 {
102 const HEVCFrame *current_picture = h->cur_frame;
103 int i, j, rps_type;
104
105 for (i = 0, j = 0; i < FF_ARRAY_ELEMS(pp->ReferenceFrames); i++) {
106 const HEVCFrame *frame = NULL;
107
108 while (!frame && j < FF_ARRAY_ELEMS(l->DPB)) {
109 if ((&l->DPB[j] != current_picture || h->pps->pps_curr_pic_ref_enabled_flag) &&
110 (l->DPB[j].flags & (HEVC_FRAME_FLAG_LONG_REF | HEVC_FRAME_FLAG_SHORT_REF)))
111 frame = &l->DPB[j];
112 j++;
113 }
114
115 init_vaapi_pic(&pp->ReferenceFrames[i]);
116
117 if (frame) {
118 rps_type = find_frame_rps_type(h, frame);
119 fill_vaapi_pic(&pp->ReferenceFrames[i], frame, rps_type);
120 }
121 }
122 }
123
124 static int vaapi_hevc_start_frame(AVCodecContext *avctx,
125 av_unused const AVBufferRef *buffer_ref,
126 av_unused const uint8_t *buffer,
127 av_unused uint32_t size)
128 {
129 const HEVCContext *h = avctx->priv_data;
130 const HEVCLayerContext *l = &h->layers[h->cur_layer];
131 VAAPIDecodePictureHEVC *pic = h->cur_frame->hwaccel_picture_private;
132 const HEVCPPS *pps = h->pps;
133 const HEVCSPS *sps = pps->sps;
134
135 const ScalingList *scaling_list = NULL;
136 int pic_param_size, err, i;
137
138 #if VA_CHECK_VERSION(1, 2, 0)
139 int num_comps, pre_palette_size;
140 #endif
141
142 VAPictureParameterBufferHEVC *pic_param = (VAPictureParameterBufferHEVC *)&pic->pic_param;
143
144 pic->pic.output_surface = ff_vaapi_get_surface_id(h->cur_frame->f);
145
146 *pic_param = (VAPictureParameterBufferHEVC) {
147 .pic_width_in_luma_samples = sps->width,
148 .pic_height_in_luma_samples = sps->height,
149 .log2_min_luma_coding_block_size_minus3 = sps->log2_min_cb_size - 3,
150 .sps_max_dec_pic_buffering_minus1 = sps->temporal_layer[sps->max_sub_layers - 1].max_dec_pic_buffering - 1,
151 .log2_diff_max_min_luma_coding_block_size = sps->log2_diff_max_min_coding_block_size,
152 .log2_min_transform_block_size_minus2 = sps->log2_min_tb_size - 2,
153 .log2_diff_max_min_transform_block_size = sps->log2_max_trafo_size - sps->log2_min_tb_size,
154 .max_transform_hierarchy_depth_inter = sps->max_transform_hierarchy_depth_inter,
155 .max_transform_hierarchy_depth_intra = sps->max_transform_hierarchy_depth_intra,
156 .num_short_term_ref_pic_sets = sps->nb_st_rps,
157 .num_long_term_ref_pic_sps = sps->num_long_term_ref_pics_sps,
158 .num_ref_idx_l0_default_active_minus1 = pps->num_ref_idx_l0_default_active - 1,
159 .num_ref_idx_l1_default_active_minus1 = pps->num_ref_idx_l1_default_active - 1,
160 .init_qp_minus26 = pps->pic_init_qp_minus26,
161 .pps_cb_qp_offset = pps->cb_qp_offset,
162 .pps_cr_qp_offset = pps->cr_qp_offset,
163 .pcm_sample_bit_depth_luma_minus1 = sps->pcm.bit_depth - 1,
164 .pcm_sample_bit_depth_chroma_minus1 = sps->pcm.bit_depth_chroma - 1,
165 .log2_min_pcm_luma_coding_block_size_minus3 = sps->pcm.log2_min_pcm_cb_size - 3,
166 .log2_diff_max_min_pcm_luma_coding_block_size = sps->pcm.log2_max_pcm_cb_size - sps->pcm.log2_min_pcm_cb_size,
167 .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth,
168 .pps_beta_offset_div2 = pps->beta_offset / 2,
169 .pps_tc_offset_div2 = pps->tc_offset / 2,
170 .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level - 2,
171 .bit_depth_luma_minus8 = sps->bit_depth - 8,
172 .bit_depth_chroma_minus8 = sps->bit_depth - 8,
173 .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_poc_lsb - 4,
174 .num_extra_slice_header_bits = pps->num_extra_slice_header_bits,
175 .pic_fields.bits = {
176 .chroma_format_idc = sps->chroma_format_idc,
177 .tiles_enabled_flag = pps->tiles_enabled_flag,
178 .separate_colour_plane_flag = sps->separate_colour_plane,
179 .pcm_enabled_flag = sps->pcm_enabled,
180 .scaling_list_enabled_flag = sps->scaling_list_enabled,
181 .transform_skip_enabled_flag = pps->transform_skip_enabled_flag,
182 .amp_enabled_flag = sps->amp_enabled,
183 .strong_intra_smoothing_enabled_flag = sps->strong_intra_smoothing_enabled,
184 .sign_data_hiding_enabled_flag = pps->sign_data_hiding_flag,
185 .constrained_intra_pred_flag = pps->constrained_intra_pred_flag,
186 .cu_qp_delta_enabled_flag = pps->cu_qp_delta_enabled_flag,
187 .weighted_pred_flag = pps->weighted_pred_flag,
188 .weighted_bipred_flag = pps->weighted_bipred_flag,
189 .transquant_bypass_enabled_flag = pps->transquant_bypass_enable_flag,
190 .entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag,
191 .pps_loop_filter_across_slices_enabled_flag = pps->seq_loop_filter_across_slices_enabled_flag,
192 .loop_filter_across_tiles_enabled_flag = pps->loop_filter_across_tiles_enabled_flag,
193 .pcm_loop_filter_disabled_flag = sps->pcm_loop_filter_disabled,
194 },
195 .slice_parsing_fields.bits = {
196 .lists_modification_present_flag = pps->lists_modification_present_flag,
197 .long_term_ref_pics_present_flag = sps->long_term_ref_pics_present,
198 .sps_temporal_mvp_enabled_flag = sps->temporal_mvp_enabled,
199 .cabac_init_present_flag = pps->cabac_init_present_flag,
200 .output_flag_present_flag = pps->output_flag_present_flag,
201 .dependent_slice_segments_enabled_flag = pps->dependent_slice_segments_enabled_flag,
202 .pps_slice_chroma_qp_offsets_present_flag = pps->pic_slice_level_chroma_qp_offsets_present_flag,
203 .sample_adaptive_offset_enabled_flag = sps->sao_enabled,
204 .deblocking_filter_override_enabled_flag = pps->deblocking_filter_override_enabled_flag,
205 .pps_disable_deblocking_filter_flag = pps->disable_dbf,
206 .slice_segment_header_extension_present_flag = pps->slice_header_extension_present_flag,
207 .RapPicFlag = IS_IRAP(h),
208 .IdrPicFlag = IS_IDR(h),
209 .IntraPicFlag = IS_IRAP(h),
210 },
211 };
212
213 fill_vaapi_pic(&pic_param->CurrPic, h->cur_frame, 0);
214 fill_vaapi_reference_frames(h, l, pic_param);
215
216 if (pps->tiles_enabled_flag) {
217 pic_param->num_tile_columns_minus1 = pps->num_tile_columns - 1;
218 pic_param->num_tile_rows_minus1 = pps->num_tile_rows - 1;
219
220 for (i = 0; i < pps->num_tile_columns; i++)
221 pic_param->column_width_minus1[i] = pps->column_width[i] - 1;
222
223 for (i = 0; i < pps->num_tile_rows; i++)
224 pic_param->row_height_minus1[i] = pps->row_height[i] - 1;
225 }
226
227 if (h->sh.short_term_ref_pic_set_sps_flag == 0 && h->sh.short_term_rps) {
228 pic_param->st_rps_bits = h->sh.short_term_ref_pic_set_size;
229 } else {
230 pic_param->st_rps_bits = 0;
231 }
232
233 #if VA_CHECK_VERSION(1, 2, 0)
234 if (avctx->profile == AV_PROFILE_HEVC_REXT ||
235 avctx->profile == AV_PROFILE_HEVC_SCC) {
236 pic->pic_param.rext = (VAPictureParameterBufferHEVCRext) {
237 .range_extension_pic_fields.bits = {
238 .transform_skip_rotation_enabled_flag = sps->transform_skip_rotation_enabled,
239 .transform_skip_context_enabled_flag = sps->transform_skip_context_enabled,
240 .implicit_rdpcm_enabled_flag = sps->implicit_rdpcm_enabled,
241 .explicit_rdpcm_enabled_flag = sps->explicit_rdpcm_enabled,
242 .extended_precision_processing_flag = sps->extended_precision_processing,
243 .intra_smoothing_disabled_flag = sps->intra_smoothing_disabled,
244 .high_precision_offsets_enabled_flag = sps->high_precision_offsets_enabled,
245 .persistent_rice_adaptation_enabled_flag = sps->persistent_rice_adaptation_enabled,
246 .cabac_bypass_alignment_enabled_flag = sps->cabac_bypass_alignment_enabled,
247 .cross_component_prediction_enabled_flag = pps->cross_component_prediction_enabled_flag,
248 .chroma_qp_offset_list_enabled_flag = pps->chroma_qp_offset_list_enabled_flag,
249 },
250 .diff_cu_chroma_qp_offset_depth = pps->diff_cu_chroma_qp_offset_depth,
251 .chroma_qp_offset_list_len_minus1 = pps->chroma_qp_offset_list_len_minus1,
252 .log2_sao_offset_scale_luma = pps->log2_sao_offset_scale_luma,
253 .log2_sao_offset_scale_chroma = pps->log2_sao_offset_scale_chroma,
254 .log2_max_transform_skip_block_size_minus2 = pps->log2_max_transform_skip_block_size - 2,
255 };
256
257 for (i = 0; i < 6; i++)
258 pic->pic_param.rext.cb_qp_offset_list[i] = pps->cb_qp_offset_list[i];
259 for (i = 0; i < 6; i++)
260 pic->pic_param.rext.cr_qp_offset_list[i] = pps->cr_qp_offset_list[i];
261 }
262
263 pre_palette_size = pps->pps_palette_predictor_initializers_present_flag ?
264 pps->pps_num_palette_predictor_initializers :
265 (sps->palette_predictor_initializers_present ?
266 sps->sps_num_palette_predictor_initializers :
267 0);
268
269 if (avctx->profile == AV_PROFILE_HEVC_SCC) {
270 pic->pic_param.scc = (VAPictureParameterBufferHEVCScc) {
271 .screen_content_pic_fields.bits = {
272 .pps_curr_pic_ref_enabled_flag = pps->pps_curr_pic_ref_enabled_flag,
273 .palette_mode_enabled_flag = sps->palette_mode_enabled,
274 .motion_vector_resolution_control_idc = sps->motion_vector_resolution_control_idc,
275 .intra_boundary_filtering_disabled_flag = sps->intra_boundary_filtering_disabled,
276 .residual_adaptive_colour_transform_enabled_flag
277 = pps->residual_adaptive_colour_transform_enabled_flag,
278 .pps_slice_act_qp_offsets_present_flag = pps->pps_slice_act_qp_offsets_present_flag,
279 },
280 .palette_max_size = sps->palette_max_size,
281 .delta_palette_max_predictor_size = sps->delta_palette_max_predictor_size,
282 .predictor_palette_size = pre_palette_size,
283 .pps_act_y_qp_offset_plus5 = pps->residual_adaptive_colour_transform_enabled_flag ?
284 pps->pps_act_y_qp_offset + 5 : 0,
285 .pps_act_cb_qp_offset_plus5 = pps->residual_adaptive_colour_transform_enabled_flag ?
286 pps->pps_act_cb_qp_offset + 5 : 0,
287 .pps_act_cr_qp_offset_plus3 = pps->residual_adaptive_colour_transform_enabled_flag ?
288 pps->pps_act_cr_qp_offset + 3 : 0,
289 };
290
291 num_comps = pps->monochrome_palette_flag ? 1 : 3;
292 for (int comp = 0; comp < num_comps; comp++)
293 for (int j = 0; j < pre_palette_size; j++)
294 pic->pic_param.scc.predictor_palette_entries[comp][j] =
295 pps->pps_palette_predictor_initializers_present_flag ?
296 pps->pps_palette_predictor_initializer[comp][j]:
297 sps->sps_palette_predictor_initializer[comp][j];
298 }
299
300 #endif
301 pic_param_size = avctx->profile >= AV_PROFILE_HEVC_REXT ?
302 sizeof(pic->pic_param) : sizeof(VAPictureParameterBufferHEVC);
303
304 err = ff_vaapi_decode_make_param_buffer(avctx, &pic->pic,
305 VAPictureParameterBufferType,
306 &pic->pic_param, pic_param_size);
307 if (err < 0)
308 goto fail;
309
310 if (pps->scaling_list_data_present_flag)
311 scaling_list = &pps->scaling_list;
312 else if (sps->scaling_list_enabled)
313 scaling_list = &sps->scaling_list;
314
315 if (scaling_list) {
316 VAIQMatrixBufferHEVC iq_matrix;
317 int j;
318
319 for (i = 0; i < 6; i++) {
320 for (j = 0; j < 16; j++)
321 iq_matrix.ScalingList4x4[i][j] = scaling_list->sl[0][i][j];
322 for (j = 0; j < 64; j++) {
323 iq_matrix.ScalingList8x8[i][j] = scaling_list->sl[1][i][j];
324 iq_matrix.ScalingList16x16[i][j] = scaling_list->sl[2][i][j];
325 if (i < 2)
326 iq_matrix.ScalingList32x32[i][j] = scaling_list->sl[3][i * 3][j];
327 }
328 iq_matrix.ScalingListDC16x16[i] = scaling_list->sl_dc[0][i];
329 if (i < 2)
330 iq_matrix.ScalingListDC32x32[i] = scaling_list->sl_dc[1][i * 3];
331 }
332
333 err = ff_vaapi_decode_make_param_buffer(avctx, &pic->pic,
334 VAIQMatrixBufferType,
335 &iq_matrix, sizeof(iq_matrix));
336 if (err < 0)
337 goto fail;
338 }
339
340 return 0;
341
342 fail:
343 ff_vaapi_decode_cancel(avctx, &pic->pic);
344 return err;
345 }
346
347 static int vaapi_hevc_end_frame(AVCodecContext *avctx)
348 {
349 const HEVCContext *h = avctx->priv_data;
350 VAAPIDecodePictureHEVC *pic = h->cur_frame->hwaccel_picture_private;
351 VASliceParameterBufferHEVC *last_slice_param = (VASliceParameterBufferHEVC *)&pic->last_slice_param;
352 int ret;
353
354 int slice_param_size = avctx->profile >= AV_PROFILE_HEVC_REXT ?
355 sizeof(pic->last_slice_param) : sizeof(VASliceParameterBufferHEVC);
356
357 if (pic->last_size) {
358 last_slice_param->LongSliceFlags.fields.LastSliceOfPic = 1;
359 ret = ff_vaapi_decode_make_slice_buffer(avctx, &pic->pic,
360 &pic->last_slice_param, 1, slice_param_size,
361 pic->last_buffer, pic->last_size);
362 if (ret < 0)
363 goto fail;
364 }
365
366
367 ret = ff_vaapi_decode_issue(avctx, &pic->pic);
368 if (ret < 0)
369 goto fail;
370
371 return 0;
372 fail:
373 ff_vaapi_decode_cancel(avctx, &pic->pic);
374 return ret;
375 }
376
377 static void fill_pred_weight_table(AVCodecContext *avctx,
378 const HEVCContext *h,
379 const SliceHeader *sh,
380 VASliceParameterBufferHEVC *slice_param)
381 {
382 int i;
383 #if VA_CHECK_VERSION(1, 2, 0)
384 int is_rext = avctx->profile >= AV_PROFILE_HEVC_REXT;
385 #else
386 int is_rext = 0;
387 if (avctx->profile >= AV_PROFILE_HEVC_REXT)
388 av_log(avctx, AV_LOG_WARNING, "Please consider to update to VAAPI 1.2.0 "
389 "or above, which can support REXT related setting correctly.\n");
390 #endif
391
392 memset(slice_param->delta_luma_weight_l0, 0, sizeof(slice_param->delta_luma_weight_l0));
393 memset(slice_param->delta_luma_weight_l1, 0, sizeof(slice_param->delta_luma_weight_l1));
394 memset(slice_param->luma_offset_l0, 0, sizeof(slice_param->luma_offset_l0));
395 memset(slice_param->luma_offset_l1, 0, sizeof(slice_param->luma_offset_l1));
396 memset(slice_param->delta_chroma_weight_l0, 0, sizeof(slice_param->delta_chroma_weight_l0));
397 memset(slice_param->delta_chroma_weight_l1, 0, sizeof(slice_param->delta_chroma_weight_l1));
398 memset(slice_param->ChromaOffsetL0, 0, sizeof(slice_param->ChromaOffsetL0));
399 memset(slice_param->ChromaOffsetL1, 0, sizeof(slice_param->ChromaOffsetL1));
400
401 slice_param->delta_chroma_log2_weight_denom = 0;
402 slice_param->luma_log2_weight_denom = 0;
403
404 if (sh->slice_type == HEVC_SLICE_I ||
405 (sh->slice_type == HEVC_SLICE_P && !h->pps->weighted_pred_flag) ||
406 (sh->slice_type == HEVC_SLICE_B && !h->pps->weighted_bipred_flag))
407 return;
408
409 slice_param->luma_log2_weight_denom = sh->luma_log2_weight_denom;
410
411 if (h->pps->sps->chroma_format_idc) {
412 slice_param->delta_chroma_log2_weight_denom = sh->chroma_log2_weight_denom - sh->luma_log2_weight_denom;
413 }
414
415 for (i = 0; i < 15 && i < sh->nb_refs[L0]; i++) {
416 slice_param->delta_luma_weight_l0[i] = sh->luma_weight_l0[i] - (1 << sh->luma_log2_weight_denom);
417 slice_param->delta_chroma_weight_l0[i][0] = sh->chroma_weight_l0[i][0] - (1 << sh->chroma_log2_weight_denom);
418 slice_param->delta_chroma_weight_l0[i][1] = sh->chroma_weight_l0[i][1] - (1 << sh->chroma_log2_weight_denom);
419 if (!is_rext) {
420 slice_param->luma_offset_l0[i] = sh->luma_offset_l0[i];
421 slice_param->ChromaOffsetL0[i][0] = sh->chroma_offset_l0[i][0];
422 slice_param->ChromaOffsetL0[i][1] = sh->chroma_offset_l0[i][1];
423 }
424 }
425
426 if (sh->slice_type == HEVC_SLICE_B) {
427 for (i = 0; i < 15 && i < sh->nb_refs[L1]; i++) {
428 slice_param->delta_luma_weight_l1[i] = sh->luma_weight_l1[i] - (1 << sh->luma_log2_weight_denom);
429 slice_param->delta_chroma_weight_l1[i][0] = sh->chroma_weight_l1[i][0] - (1 << sh->chroma_log2_weight_denom);
430 slice_param->delta_chroma_weight_l1[i][1] = sh->chroma_weight_l1[i][1] - (1 << sh->chroma_log2_weight_denom);
431 if (!is_rext) {
432 slice_param->luma_offset_l1[i] = sh->luma_offset_l1[i];
433 slice_param->ChromaOffsetL1[i][0] = sh->chroma_offset_l1[i][0];
434 slice_param->ChromaOffsetL1[i][1] = sh->chroma_offset_l1[i][1];
435 }
436 }
437 }
438 }
439
440 static uint8_t get_ref_pic_index(const HEVCContext *h, const HEVCFrame *frame)
441 {
442 VAAPIDecodePictureHEVC *pic = h->cur_frame->hwaccel_picture_private;
443 VAPictureParameterBufferHEVC *pp = (VAPictureParameterBufferHEVC *)&pic->pic_param;
444 uint8_t i;
445
446 if (!frame)
447 return 0xff;
448
449 for (i = 0; i < FF_ARRAY_ELEMS(pp->ReferenceFrames); i++) {
450 VASurfaceID pid = pp->ReferenceFrames[i].picture_id;
451 int poc = pp->ReferenceFrames[i].pic_order_cnt;
452 if (pid != VA_INVALID_ID && pid == ff_vaapi_get_surface_id(frame->f) && poc == frame->poc)
453 return i;
454 }
455
456 return 0xff;
457 }
458
459 static int vaapi_hevc_decode_slice(AVCodecContext *avctx,
460 const uint8_t *buffer,
461 uint32_t size)
462 {
463 const HEVCContext *h = avctx->priv_data;
464 const SliceHeader *sh = &h->sh;
465 VAAPIDecodePictureHEVC *pic = h->cur_frame->hwaccel_picture_private;
466 VASliceParameterBufferHEVC *last_slice_param = (VASliceParameterBufferHEVC *)&pic->last_slice_param;
467
468 int slice_param_size = avctx->profile >= AV_PROFILE_HEVC_REXT ?
469 sizeof(pic->last_slice_param) : sizeof(VASliceParameterBufferHEVC);
470
471 int nb_list = (sh->slice_type == HEVC_SLICE_B) ?
472 2 : (sh->slice_type == HEVC_SLICE_I ? 0 : 1);
473
474 int err, i, list_idx;
475
476 if (!sh->first_slice_in_pic_flag) {
477 err = ff_vaapi_decode_make_slice_buffer(avctx, &pic->pic,
478 &pic->last_slice_param, 1, slice_param_size,
479 pic->last_buffer, pic->last_size);
480 pic->last_buffer = NULL;
481 pic->last_size = 0;
482 if (err) {
483 ff_vaapi_decode_cancel(avctx, &pic->pic);
484 return err;
485 }
486 }
487
488 *last_slice_param = (VASliceParameterBufferHEVC) {
489 .slice_data_size = size,
490 .slice_data_offset = 0,
491 .slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
492 .slice_data_byte_offset = sh->data_offset,
493 .slice_segment_address = sh->slice_segment_addr,
494 .slice_qp_delta = sh->slice_qp_delta,
495 .slice_cb_qp_offset = sh->slice_cb_qp_offset,
496 .slice_cr_qp_offset = sh->slice_cr_qp_offset,
497 .slice_beta_offset_div2 = sh->beta_offset / 2,
498 .slice_tc_offset_div2 = sh->tc_offset / 2,
499 .collocated_ref_idx = sh->slice_temporal_mvp_enabled_flag ? sh->collocated_ref_idx : 0xFF,
500 .five_minus_max_num_merge_cand = sh->slice_type == HEVC_SLICE_I ? 0 : 5 - sh->max_num_merge_cand,
501 .num_ref_idx_l0_active_minus1 = sh->nb_refs[L0] ? sh->nb_refs[L0] - 1 : 0,
502 .num_ref_idx_l1_active_minus1 = sh->nb_refs[L1] ? sh->nb_refs[L1] - 1 : 0,
503
504 .LongSliceFlags.fields = {
505 .dependent_slice_segment_flag = sh->dependent_slice_segment_flag,
506 .slice_type = sh->slice_type,
507 .color_plane_id = sh->colour_plane_id,
508 .mvd_l1_zero_flag = sh->mvd_l1_zero_flag,
509 .cabac_init_flag = sh->cabac_init_flag,
510 .slice_temporal_mvp_enabled_flag = sh->slice_temporal_mvp_enabled_flag,
511 .slice_deblocking_filter_disabled_flag = sh->disable_deblocking_filter_flag,
512 .collocated_from_l0_flag = sh->collocated_list == L0 ? 1 : 0,
513 .slice_loop_filter_across_slices_enabled_flag = sh->slice_loop_filter_across_slices_enabled_flag,
514 .slice_sao_luma_flag = sh->slice_sample_adaptive_offset_flag[0],
515 .slice_sao_chroma_flag = sh->slice_sample_adaptive_offset_flag[1],
516 },
517 };
518
519 memset(last_slice_param->RefPicList, 0xFF, sizeof(last_slice_param->RefPicList));
520
521 for (list_idx = 0; list_idx < nb_list; list_idx++) {
522 RefPicList *rpl = &h->cur_frame->refPicList[list_idx];
523
524 for (i = 0; i < rpl->nb_refs; i++)
525 last_slice_param->RefPicList[list_idx][i] = get_ref_pic_index(h, rpl->ref[i]);
526 }
527
528 fill_pred_weight_table(avctx, h, sh, last_slice_param);
529
530 #if VA_CHECK_VERSION(1, 2, 0)
531 if (avctx->profile >= AV_PROFILE_HEVC_REXT) {
532 pic->last_slice_param.rext = (VASliceParameterBufferHEVCRext) {
533 .slice_ext_flags.bits = {
534 .cu_chroma_qp_offset_enabled_flag = sh->cu_chroma_qp_offset_enabled_flag,
535 .use_integer_mv_flag = sh->use_integer_mv_flag,
536 },
537 .slice_act_y_qp_offset = sh->slice_act_y_qp_offset,
538 .slice_act_cb_qp_offset = sh->slice_act_cb_qp_offset,
539 .slice_act_cr_qp_offset = sh->slice_act_cr_qp_offset,
540 };
541 for (i = 0; i < 15 && i < sh->nb_refs[L0]; i++) {
542 pic->last_slice_param.rext.luma_offset_l0[i] = sh->luma_offset_l0[i];
543 pic->last_slice_param.rext.ChromaOffsetL0[i][0] = sh->chroma_offset_l0[i][0];
544 pic->last_slice_param.rext.ChromaOffsetL0[i][1] = sh->chroma_offset_l0[i][1];
545 }
546
547 if (sh->slice_type == HEVC_SLICE_B) {
548 for (i = 0; i < 15 && i < sh->nb_refs[L1]; i++) {
549 pic->last_slice_param.rext.luma_offset_l1[i] = sh->luma_offset_l1[i];
550 pic->last_slice_param.rext.ChromaOffsetL1[i][0] = sh->chroma_offset_l1[i][0];
551 pic->last_slice_param.rext.ChromaOffsetL1[i][1] = sh->chroma_offset_l1[i][1];
552 }
553 }
554 }
555 #endif
556
557 pic->last_buffer = buffer;
558 pic->last_size = size;
559
560 return 0;
561 }
562
563 static int ptl_convert(const PTLCommon *general_ptl, H265RawProfileTierLevel *h265_raw_ptl)
564 {
565 h265_raw_ptl->general_profile_space = general_ptl->profile_space;
566 h265_raw_ptl->general_tier_flag = general_ptl->tier_flag;
567 h265_raw_ptl->general_profile_idc = general_ptl->profile_idc;
568
569 memcpy(h265_raw_ptl->general_profile_compatibility_flag,
570 general_ptl->profile_compatibility_flag, 32 * sizeof(uint8_t));
571
572 #define copy_field(name) h265_raw_ptl->general_ ## name = general_ptl->name
573 copy_field(progressive_source_flag);
574 copy_field(interlaced_source_flag);
575 copy_field(non_packed_constraint_flag);
576 copy_field(frame_only_constraint_flag);
577 copy_field(max_12bit_constraint_flag);
578 copy_field(max_10bit_constraint_flag);
579 copy_field(max_8bit_constraint_flag);
580 copy_field(max_422chroma_constraint_flag);
581 copy_field(max_420chroma_constraint_flag);
582 copy_field(max_monochrome_constraint_flag);
583 copy_field(intra_constraint_flag);
584 copy_field(one_picture_only_constraint_flag);
585 copy_field(lower_bit_rate_constraint_flag);
586 copy_field(max_14bit_constraint_flag);
587 copy_field(inbld_flag);
588 copy_field(level_idc);
589 #undef copy_field
590
591 return 0;
592 }
593
594 /*
595 * Find exact va_profile for HEVC Range Extension and Screen Content Coding Extension
596 */
597 VAProfile ff_vaapi_parse_hevc_rext_scc_profile(AVCodecContext *avctx)
598 {
599 const HEVCContext *h = avctx->priv_data;
600 const HEVCSPS *sps = h->pps->sps;
601 const PTL *ptl = &sps->ptl;
602 const PTLCommon *general_ptl = &ptl->general_ptl;
603 const H265ProfileDescriptor *profile;
604 H265RawProfileTierLevel h265_raw_ptl = {0};
605
606 /* convert PTLCommon to H265RawProfileTierLevel */
607 ptl_convert(general_ptl, &h265_raw_ptl);
608
609 profile = ff_h265_get_profile(&h265_raw_ptl);
610 if (!profile) {
611 av_log(avctx, AV_LOG_WARNING, "HEVC profile is not found.\n");
612 goto end;
613 } else {
614 av_log(avctx, AV_LOG_VERBOSE, "HEVC profile %s is found.\n", profile->name);
615 }
616
617 #if VA_CHECK_VERSION(1, 2, 0)
618 if (!strcmp(profile->name, "Main 12") ||
619 !strcmp(profile->name, "Main 12 Intra"))
620 return VAProfileHEVCMain12;
621 else if (!strcmp(profile->name, "Main 4:2:2 10") ||
622 !strcmp(profile->name, "Main 4:2:2 10 Intra"))
623 return VAProfileHEVCMain422_10;
624 else if (!strcmp(profile->name, "Main 4:2:2 12") ||
625 !strcmp(profile->name, "Main 4:2:2 12 Intra"))
626 return VAProfileHEVCMain422_12;
627 else if (!strcmp(profile->name, "Main 4:4:4") ||
628 !strcmp(profile->name, "Main 4:4:4 Intra"))
629 return VAProfileHEVCMain444;
630 else if (!strcmp(profile->name, "Main 4:4:4 10") ||
631 !strcmp(profile->name, "Main 4:4:4 10 Intra"))
632 return VAProfileHEVCMain444_10;
633 else if (!strcmp(profile->name, "Main 4:4:4 12") ||
634 !strcmp(profile->name, "Main 4:4:4 12 Intra"))
635 return VAProfileHEVCMain444_12;
636 else if (!strcmp(profile->name, "Screen-Extended Main"))
637 return VAProfileHEVCSccMain;
638 else if (!strcmp(profile->name, "Screen-Extended Main 10"))
639 return VAProfileHEVCSccMain10;
640 else if (!strcmp(profile->name, "Screen-Extended Main 4:4:4"))
641 return VAProfileHEVCSccMain444;
642 #if VA_CHECK_VERSION(1, 8, 0)
643 else if (!strcmp(profile->name, "Screen-Extended Main 4:4:4 10"))
644 return VAProfileHEVCSccMain444_10;
645 #endif
646 #else
647 av_log(avctx, AV_LOG_WARNING, "HEVC profile %s is "
648 "not supported with this VA version.\n", profile->name);
649 #endif
650
651 end:
652 if (avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH) {
653 // Default to selecting Main profile if profile mismatch is allowed
654 return VAProfileHEVCMain;
655 } else
656 return VAProfileNone;
657 }
658
659 const FFHWAccel ff_hevc_vaapi_hwaccel = {
660 .p.name = "hevc_vaapi",
661 .p.type = AVMEDIA_TYPE_VIDEO,
662 .p.id = AV_CODEC_ID_HEVC,
663 .p.pix_fmt = AV_PIX_FMT_VAAPI,
664 .start_frame = vaapi_hevc_start_frame,
665 .end_frame = vaapi_hevc_end_frame,
666 .decode_slice = vaapi_hevc_decode_slice,
667 .frame_priv_data_size = sizeof(VAAPIDecodePictureHEVC),
668 .init = ff_vaapi_decode_init,
669 .uninit = ff_vaapi_decode_uninit,
670 .frame_params = ff_vaapi_common_frame_params,
671 .priv_data_size = sizeof(VAAPIDecodeContext),
672 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
673 };
674