FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vaapi_hevc.c
Date: 2024-04-19 07:31:02
Exec Total Coverage
Lines: 0 399 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 "hevcdec.h"
28 #include "hwaccel_internal.h"
29 #include "vaapi_decode.h"
30 #include "vaapi_hevc.h"
31 #include "h265_profile_level.h"
32
33 typedef struct VAAPIDecodePictureHEVC {
34 #if VA_CHECK_VERSION(1, 2, 0)
35 VAPictureParameterBufferHEVCExtension pic_param;
36 VASliceParameterBufferHEVCExtension last_slice_param;
37 #else
38 VAPictureParameterBufferHEVC pic_param;
39 VASliceParameterBufferHEVC last_slice_param;
40 #endif
41 const uint8_t *last_buffer;
42 size_t last_size;
43
44 VAAPIDecodePicture pic;
45 } VAAPIDecodePictureHEVC;
46
47 static void init_vaapi_pic(VAPictureHEVC *va_pic)
48 {
49 va_pic->picture_id = VA_INVALID_ID;
50 va_pic->flags = VA_PICTURE_HEVC_INVALID;
51 va_pic->pic_order_cnt = 0;
52 }
53
54 static void fill_vaapi_pic(VAPictureHEVC *va_pic, const HEVCFrame *pic, int rps_type)
55 {
56 va_pic->picture_id = ff_vaapi_get_surface_id(pic->frame);
57 va_pic->pic_order_cnt = pic->poc;
58 va_pic->flags = rps_type;
59
60 if (pic->flags & HEVC_FRAME_FLAG_LONG_REF)
61 va_pic->flags |= VA_PICTURE_HEVC_LONG_TERM_REFERENCE;
62
63 if (pic->frame->flags & AV_FRAME_FLAG_INTERLACED) {
64 va_pic->flags |= VA_PICTURE_HEVC_FIELD_PIC;
65
66 if (!(pic->frame->flags & AV_FRAME_FLAG_TOP_FIELD_FIRST))
67 va_pic->flags |= VA_PICTURE_HEVC_BOTTOM_FIELD;
68 }
69 }
70
71 static int find_frame_rps_type(const HEVCContext *h, const HEVCFrame *pic)
72 {
73 VASurfaceID pic_surf = ff_vaapi_get_surface_id(pic->frame);
74 const HEVCFrame *current_picture = h->ref;
75 int i;
76
77 for (i = 0; i < h->rps[ST_CURR_BEF].nb_refs; i++) {
78 if (pic_surf == ff_vaapi_get_surface_id(h->rps[ST_CURR_BEF].ref[i]->frame))
79 return VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE;
80 }
81
82 for (i = 0; i < h->rps[ST_CURR_AFT].nb_refs; i++) {
83 if (pic_surf == ff_vaapi_get_surface_id(h->rps[ST_CURR_AFT].ref[i]->frame))
84 return VA_PICTURE_HEVC_RPS_ST_CURR_AFTER;
85 }
86
87 for (i = 0; i < h->rps[LT_CURR].nb_refs; i++) {
88 if (pic_surf == ff_vaapi_get_surface_id(h->rps[LT_CURR].ref[i]->frame))
89 return VA_PICTURE_HEVC_RPS_LT_CURR;
90 }
91
92 if (h->ps.pps->pps_curr_pic_ref_enabled_flag && current_picture->poc == pic->poc)
93 return VA_PICTURE_HEVC_LONG_TERM_REFERENCE;
94
95 return 0;
96 }
97
98 static void fill_vaapi_reference_frames(const HEVCContext *h, VAPictureParameterBufferHEVC *pp)
99 {
100 const HEVCFrame *current_picture = h->ref;
101 int i, j, rps_type;
102
103 for (i = 0, j = 0; i < FF_ARRAY_ELEMS(pp->ReferenceFrames); i++) {
104 const HEVCFrame *frame = NULL;
105
106 while (!frame && j < FF_ARRAY_ELEMS(h->DPB)) {
107 if ((&h->DPB[j] != current_picture || h->ps.pps->pps_curr_pic_ref_enabled_flag) &&
108 (h->DPB[j].flags & (HEVC_FRAME_FLAG_LONG_REF | HEVC_FRAME_FLAG_SHORT_REF)))
109 frame = &h->DPB[j];
110 j++;
111 }
112
113 init_vaapi_pic(&pp->ReferenceFrames[i]);
114
115 if (frame) {
116 rps_type = find_frame_rps_type(h, frame);
117 fill_vaapi_pic(&pp->ReferenceFrames[i], frame, rps_type);
118 }
119 }
120 }
121
122 static int vaapi_hevc_start_frame(AVCodecContext *avctx,
123 av_unused const uint8_t *buffer,
124 av_unused uint32_t size)
125 {
126 const HEVCContext *h = avctx->priv_data;
127 VAAPIDecodePictureHEVC *pic = h->ref->hwaccel_picture_private;
128 const HEVCSPS *sps = h->ps.sps;
129 const HEVCPPS *pps = h->ps.pps;
130
131 const ScalingList *scaling_list = NULL;
132 int pic_param_size, err, i;
133
134 #if VA_CHECK_VERSION(1, 2, 0)
135 int num_comps, pre_palette_size;
136 #endif
137
138 VAPictureParameterBufferHEVC *pic_param = (VAPictureParameterBufferHEVC *)&pic->pic_param;
139
140 pic->pic.output_surface = ff_vaapi_get_surface_id(h->ref->frame);
141
142 *pic_param = (VAPictureParameterBufferHEVC) {
143 .pic_width_in_luma_samples = sps->width,
144 .pic_height_in_luma_samples = sps->height,
145 .log2_min_luma_coding_block_size_minus3 = sps->log2_min_cb_size - 3,
146 .sps_max_dec_pic_buffering_minus1 = sps->temporal_layer[sps->max_sub_layers - 1].max_dec_pic_buffering - 1,
147 .log2_diff_max_min_luma_coding_block_size = sps->log2_diff_max_min_coding_block_size,
148 .log2_min_transform_block_size_minus2 = sps->log2_min_tb_size - 2,
149 .log2_diff_max_min_transform_block_size = sps->log2_max_trafo_size - sps->log2_min_tb_size,
150 .max_transform_hierarchy_depth_inter = sps->max_transform_hierarchy_depth_inter,
151 .max_transform_hierarchy_depth_intra = sps->max_transform_hierarchy_depth_intra,
152 .num_short_term_ref_pic_sets = sps->nb_st_rps,
153 .num_long_term_ref_pic_sps = sps->num_long_term_ref_pics_sps,
154 .num_ref_idx_l0_default_active_minus1 = pps->num_ref_idx_l0_default_active - 1,
155 .num_ref_idx_l1_default_active_minus1 = pps->num_ref_idx_l1_default_active - 1,
156 .init_qp_minus26 = pps->pic_init_qp_minus26,
157 .pps_cb_qp_offset = pps->cb_qp_offset,
158 .pps_cr_qp_offset = pps->cr_qp_offset,
159 .pcm_sample_bit_depth_luma_minus1 = sps->pcm.bit_depth - 1,
160 .pcm_sample_bit_depth_chroma_minus1 = sps->pcm.bit_depth_chroma - 1,
161 .log2_min_pcm_luma_coding_block_size_minus3 = sps->pcm.log2_min_pcm_cb_size - 3,
162 .log2_diff_max_min_pcm_luma_coding_block_size = sps->pcm.log2_max_pcm_cb_size - sps->pcm.log2_min_pcm_cb_size,
163 .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth,
164 .pps_beta_offset_div2 = pps->beta_offset / 2,
165 .pps_tc_offset_div2 = pps->tc_offset / 2,
166 .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level - 2,
167 .bit_depth_luma_minus8 = sps->bit_depth - 8,
168 .bit_depth_chroma_minus8 = sps->bit_depth - 8,
169 .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_poc_lsb - 4,
170 .num_extra_slice_header_bits = pps->num_extra_slice_header_bits,
171 .pic_fields.bits = {
172 .chroma_format_idc = sps->chroma_format_idc,
173 .tiles_enabled_flag = pps->tiles_enabled_flag,
174 .separate_colour_plane_flag = sps->separate_colour_plane_flag,
175 .pcm_enabled_flag = sps->pcm_enabled_flag,
176 .scaling_list_enabled_flag = sps->scaling_list_enable_flag,
177 .transform_skip_enabled_flag = pps->transform_skip_enabled_flag,
178 .amp_enabled_flag = sps->amp_enabled_flag,
179 .strong_intra_smoothing_enabled_flag = sps->sps_strong_intra_smoothing_enable_flag,
180 .sign_data_hiding_enabled_flag = pps->sign_data_hiding_flag,
181 .constrained_intra_pred_flag = pps->constrained_intra_pred_flag,
182 .cu_qp_delta_enabled_flag = pps->cu_qp_delta_enabled_flag,
183 .weighted_pred_flag = pps->weighted_pred_flag,
184 .weighted_bipred_flag = pps->weighted_bipred_flag,
185 .transquant_bypass_enabled_flag = pps->transquant_bypass_enable_flag,
186 .entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag,
187 .pps_loop_filter_across_slices_enabled_flag = pps->seq_loop_filter_across_slices_enabled_flag,
188 .loop_filter_across_tiles_enabled_flag = pps->loop_filter_across_tiles_enabled_flag,
189 .pcm_loop_filter_disabled_flag = sps->pcm.loop_filter_disable_flag,
190 },
191 .slice_parsing_fields.bits = {
192 .lists_modification_present_flag = pps->lists_modification_present_flag,
193 .long_term_ref_pics_present_flag = sps->long_term_ref_pics_present_flag,
194 .sps_temporal_mvp_enabled_flag = sps->sps_temporal_mvp_enabled_flag,
195 .cabac_init_present_flag = pps->cabac_init_present_flag,
196 .output_flag_present_flag = pps->output_flag_present_flag,
197 .dependent_slice_segments_enabled_flag = pps->dependent_slice_segments_enabled_flag,
198 .pps_slice_chroma_qp_offsets_present_flag = pps->pic_slice_level_chroma_qp_offsets_present_flag,
199 .sample_adaptive_offset_enabled_flag = sps->sao_enabled,
200 .deblocking_filter_override_enabled_flag = pps->deblocking_filter_override_enabled_flag,
201 .pps_disable_deblocking_filter_flag = pps->disable_dbf,
202 .slice_segment_header_extension_present_flag = pps->slice_header_extension_present_flag,
203 .RapPicFlag = IS_IRAP(h),
204 .IdrPicFlag = IS_IDR(h),
205 .IntraPicFlag = IS_IRAP(h),
206 },
207 };
208
209 fill_vaapi_pic(&pic_param->CurrPic, h->ref, 0);
210 fill_vaapi_reference_frames(h, pic_param);
211
212 if (pps->tiles_enabled_flag) {
213 pic_param->num_tile_columns_minus1 = pps->num_tile_columns - 1;
214 pic_param->num_tile_rows_minus1 = pps->num_tile_rows - 1;
215
216 for (i = 0; i < pps->num_tile_columns; i++)
217 pic_param->column_width_minus1[i] = pps->column_width[i] - 1;
218
219 for (i = 0; i < pps->num_tile_rows; i++)
220 pic_param->row_height_minus1[i] = pps->row_height[i] - 1;
221 }
222
223 if (h->sh.short_term_ref_pic_set_sps_flag == 0 && h->sh.short_term_rps) {
224 pic_param->st_rps_bits = h->sh.short_term_ref_pic_set_size;
225 } else {
226 pic_param->st_rps_bits = 0;
227 }
228
229 #if VA_CHECK_VERSION(1, 2, 0)
230 if (avctx->profile == AV_PROFILE_HEVC_REXT ||
231 avctx->profile == AV_PROFILE_HEVC_SCC) {
232 pic->pic_param.rext = (VAPictureParameterBufferHEVCRext) {
233 .range_extension_pic_fields.bits = {
234 .transform_skip_rotation_enabled_flag = sps->transform_skip_rotation_enabled_flag,
235 .transform_skip_context_enabled_flag = sps->transform_skip_context_enabled_flag,
236 .implicit_rdpcm_enabled_flag = sps->implicit_rdpcm_enabled_flag,
237 .explicit_rdpcm_enabled_flag = sps->explicit_rdpcm_enabled_flag,
238 .extended_precision_processing_flag = sps->extended_precision_processing_flag,
239 .intra_smoothing_disabled_flag = sps->intra_smoothing_disabled_flag,
240 .high_precision_offsets_enabled_flag = sps->high_precision_offsets_enabled_flag,
241 .persistent_rice_adaptation_enabled_flag = sps->persistent_rice_adaptation_enabled_flag,
242 .cabac_bypass_alignment_enabled_flag = sps->cabac_bypass_alignment_enabled_flag,
243 .cross_component_prediction_enabled_flag = pps->cross_component_prediction_enabled_flag,
244 .chroma_qp_offset_list_enabled_flag = pps->chroma_qp_offset_list_enabled_flag,
245 },
246 .diff_cu_chroma_qp_offset_depth = pps->diff_cu_chroma_qp_offset_depth,
247 .chroma_qp_offset_list_len_minus1 = pps->chroma_qp_offset_list_len_minus1,
248 .log2_sao_offset_scale_luma = pps->log2_sao_offset_scale_luma,
249 .log2_sao_offset_scale_chroma = pps->log2_sao_offset_scale_chroma,
250 .log2_max_transform_skip_block_size_minus2 = pps->log2_max_transform_skip_block_size - 2,
251 };
252
253 for (i = 0; i < 6; i++)
254 pic->pic_param.rext.cb_qp_offset_list[i] = pps->cb_qp_offset_list[i];
255 for (i = 0; i < 6; i++)
256 pic->pic_param.rext.cr_qp_offset_list[i] = pps->cr_qp_offset_list[i];
257 }
258
259 pre_palette_size = pps->pps_palette_predictor_initializers_present_flag ?
260 pps->pps_num_palette_predictor_initializers :
261 (sps->sps_palette_predictor_initializers_present_flag ?
262 sps->sps_num_palette_predictor_initializers :
263 0);
264
265 if (avctx->profile == AV_PROFILE_HEVC_SCC) {
266 pic->pic_param.scc = (VAPictureParameterBufferHEVCScc) {
267 .screen_content_pic_fields.bits = {
268 .pps_curr_pic_ref_enabled_flag = pps->pps_curr_pic_ref_enabled_flag,
269 .palette_mode_enabled_flag = sps->palette_mode_enabled_flag,
270 .motion_vector_resolution_control_idc = sps->motion_vector_resolution_control_idc,
271 .intra_boundary_filtering_disabled_flag = sps->intra_boundary_filtering_disabled_flag,
272 .residual_adaptive_colour_transform_enabled_flag
273 = pps->residual_adaptive_colour_transform_enabled_flag,
274 .pps_slice_act_qp_offsets_present_flag = pps->pps_slice_act_qp_offsets_present_flag,
275 },
276 .palette_max_size = sps->palette_max_size,
277 .delta_palette_max_predictor_size = sps->delta_palette_max_predictor_size,
278 .predictor_palette_size = pre_palette_size,
279 .pps_act_y_qp_offset_plus5 = pps->residual_adaptive_colour_transform_enabled_flag ?
280 pps->pps_act_y_qp_offset + 5 : 0,
281 .pps_act_cb_qp_offset_plus5 = pps->residual_adaptive_colour_transform_enabled_flag ?
282 pps->pps_act_cb_qp_offset + 5 : 0,
283 .pps_act_cr_qp_offset_plus3 = pps->residual_adaptive_colour_transform_enabled_flag ?
284 pps->pps_act_cr_qp_offset + 3 : 0,
285 };
286
287 num_comps = pps->monochrome_palette_flag ? 1 : 3;
288 for (int comp = 0; comp < num_comps; comp++)
289 for (int j = 0; j < pre_palette_size; j++)
290 pic->pic_param.scc.predictor_palette_entries[comp][j] =
291 pps->pps_palette_predictor_initializers_present_flag ?
292 pps->pps_palette_predictor_initializer[comp][j]:
293 sps->sps_palette_predictor_initializer[comp][j];
294 }
295
296 #endif
297 pic_param_size = avctx->profile >= AV_PROFILE_HEVC_REXT ?
298 sizeof(pic->pic_param) : sizeof(VAPictureParameterBufferHEVC);
299
300 err = ff_vaapi_decode_make_param_buffer(avctx, &pic->pic,
301 VAPictureParameterBufferType,
302 &pic->pic_param, pic_param_size);
303 if (err < 0)
304 goto fail;
305
306 if (pps->scaling_list_data_present_flag)
307 scaling_list = &pps->scaling_list;
308 else if (sps->scaling_list_enable_flag)
309 scaling_list = &sps->scaling_list;
310
311 if (scaling_list) {
312 VAIQMatrixBufferHEVC iq_matrix;
313 int j;
314
315 for (i = 0; i < 6; i++) {
316 for (j = 0; j < 16; j++)
317 iq_matrix.ScalingList4x4[i][j] = scaling_list->sl[0][i][j];
318 for (j = 0; j < 64; j++) {
319 iq_matrix.ScalingList8x8[i][j] = scaling_list->sl[1][i][j];
320 iq_matrix.ScalingList16x16[i][j] = scaling_list->sl[2][i][j];
321 if (i < 2)
322 iq_matrix.ScalingList32x32[i][j] = scaling_list->sl[3][i * 3][j];
323 }
324 iq_matrix.ScalingListDC16x16[i] = scaling_list->sl_dc[0][i];
325 if (i < 2)
326 iq_matrix.ScalingListDC32x32[i] = scaling_list->sl_dc[1][i * 3];
327 }
328
329 err = ff_vaapi_decode_make_param_buffer(avctx, &pic->pic,
330 VAIQMatrixBufferType,
331 &iq_matrix, sizeof(iq_matrix));
332 if (err < 0)
333 goto fail;
334 }
335
336 return 0;
337
338 fail:
339 ff_vaapi_decode_cancel(avctx, &pic->pic);
340 return err;
341 }
342
343 static int vaapi_hevc_end_frame(AVCodecContext *avctx)
344 {
345 const HEVCContext *h = avctx->priv_data;
346 VAAPIDecodePictureHEVC *pic = h->ref->hwaccel_picture_private;
347 VASliceParameterBufferHEVC *last_slice_param = (VASliceParameterBufferHEVC *)&pic->last_slice_param;
348 int ret;
349
350 int slice_param_size = avctx->profile >= AV_PROFILE_HEVC_REXT ?
351 sizeof(pic->last_slice_param) : sizeof(VASliceParameterBufferHEVC);
352
353 if (pic->last_size) {
354 last_slice_param->LongSliceFlags.fields.LastSliceOfPic = 1;
355 ret = ff_vaapi_decode_make_slice_buffer(avctx, &pic->pic,
356 &pic->last_slice_param, slice_param_size,
357 pic->last_buffer, pic->last_size);
358 if (ret < 0)
359 goto fail;
360 }
361
362
363 ret = ff_vaapi_decode_issue(avctx, &pic->pic);
364 if (ret < 0)
365 goto fail;
366
367 return 0;
368 fail:
369 ff_vaapi_decode_cancel(avctx, &pic->pic);
370 return ret;
371 }
372
373 static void fill_pred_weight_table(AVCodecContext *avctx,
374 const HEVCContext *h,
375 const SliceHeader *sh,
376 VASliceParameterBufferHEVC *slice_param)
377 {
378 int i;
379 #if VA_CHECK_VERSION(1, 2, 0)
380 int is_rext = avctx->profile >= AV_PROFILE_HEVC_REXT;
381 #else
382 int is_rext = 0;
383 if (avctx->profile >= AV_PROFILE_HEVC_REXT)
384 av_log(avctx, AV_LOG_WARNING, "Please consider to update to VAAPI 1.2.0 "
385 "or above, which can support REXT related setting correctly.\n");
386 #endif
387
388 memset(slice_param->delta_luma_weight_l0, 0, sizeof(slice_param->delta_luma_weight_l0));
389 memset(slice_param->delta_luma_weight_l1, 0, sizeof(slice_param->delta_luma_weight_l1));
390 memset(slice_param->luma_offset_l0, 0, sizeof(slice_param->luma_offset_l0));
391 memset(slice_param->luma_offset_l1, 0, sizeof(slice_param->luma_offset_l1));
392 memset(slice_param->delta_chroma_weight_l0, 0, sizeof(slice_param->delta_chroma_weight_l0));
393 memset(slice_param->delta_chroma_weight_l1, 0, sizeof(slice_param->delta_chroma_weight_l1));
394 memset(slice_param->ChromaOffsetL0, 0, sizeof(slice_param->ChromaOffsetL0));
395 memset(slice_param->ChromaOffsetL1, 0, sizeof(slice_param->ChromaOffsetL1));
396
397 slice_param->delta_chroma_log2_weight_denom = 0;
398 slice_param->luma_log2_weight_denom = 0;
399
400 if (sh->slice_type == HEVC_SLICE_I ||
401 (sh->slice_type == HEVC_SLICE_P && !h->ps.pps->weighted_pred_flag) ||
402 (sh->slice_type == HEVC_SLICE_B && !h->ps.pps->weighted_bipred_flag))
403 return;
404
405 slice_param->luma_log2_weight_denom = sh->luma_log2_weight_denom;
406
407 if (h->ps.sps->chroma_format_idc) {
408 slice_param->delta_chroma_log2_weight_denom = sh->chroma_log2_weight_denom - sh->luma_log2_weight_denom;
409 }
410
411 for (i = 0; i < 15 && i < sh->nb_refs[L0]; i++) {
412 slice_param->delta_luma_weight_l0[i] = sh->luma_weight_l0[i] - (1 << sh->luma_log2_weight_denom);
413 slice_param->delta_chroma_weight_l0[i][0] = sh->chroma_weight_l0[i][0] - (1 << sh->chroma_log2_weight_denom);
414 slice_param->delta_chroma_weight_l0[i][1] = sh->chroma_weight_l0[i][1] - (1 << sh->chroma_log2_weight_denom);
415 if (!is_rext) {
416 slice_param->luma_offset_l0[i] = sh->luma_offset_l0[i];
417 slice_param->ChromaOffsetL0[i][0] = sh->chroma_offset_l0[i][0];
418 slice_param->ChromaOffsetL0[i][1] = sh->chroma_offset_l0[i][1];
419 }
420 }
421
422 if (sh->slice_type == HEVC_SLICE_B) {
423 for (i = 0; i < 15 && i < sh->nb_refs[L1]; i++) {
424 slice_param->delta_luma_weight_l1[i] = sh->luma_weight_l1[i] - (1 << sh->luma_log2_weight_denom);
425 slice_param->delta_chroma_weight_l1[i][0] = sh->chroma_weight_l1[i][0] - (1 << sh->chroma_log2_weight_denom);
426 slice_param->delta_chroma_weight_l1[i][1] = sh->chroma_weight_l1[i][1] - (1 << sh->chroma_log2_weight_denom);
427 if (!is_rext) {
428 slice_param->luma_offset_l1[i] = sh->luma_offset_l1[i];
429 slice_param->ChromaOffsetL1[i][0] = sh->chroma_offset_l1[i][0];
430 slice_param->ChromaOffsetL1[i][1] = sh->chroma_offset_l1[i][1];
431 }
432 }
433 }
434 }
435
436 static uint8_t get_ref_pic_index(const HEVCContext *h, const HEVCFrame *frame)
437 {
438 VAAPIDecodePictureHEVC *pic = h->ref->hwaccel_picture_private;
439 VAPictureParameterBufferHEVC *pp = (VAPictureParameterBufferHEVC *)&pic->pic_param;
440 uint8_t i;
441
442 if (!frame)
443 return 0xff;
444
445 for (i = 0; i < FF_ARRAY_ELEMS(pp->ReferenceFrames); i++) {
446 VASurfaceID pid = pp->ReferenceFrames[i].picture_id;
447 int poc = pp->ReferenceFrames[i].pic_order_cnt;
448 if (pid != VA_INVALID_ID && pid == ff_vaapi_get_surface_id(frame->frame) && poc == frame->poc)
449 return i;
450 }
451
452 return 0xff;
453 }
454
455 static int vaapi_hevc_decode_slice(AVCodecContext *avctx,
456 const uint8_t *buffer,
457 uint32_t size)
458 {
459 const HEVCContext *h = avctx->priv_data;
460 const SliceHeader *sh = &h->sh;
461 VAAPIDecodePictureHEVC *pic = h->ref->hwaccel_picture_private;
462 VASliceParameterBufferHEVC *last_slice_param = (VASliceParameterBufferHEVC *)&pic->last_slice_param;
463
464 int slice_param_size = avctx->profile >= AV_PROFILE_HEVC_REXT ?
465 sizeof(pic->last_slice_param) : sizeof(VASliceParameterBufferHEVC);
466
467 int nb_list = (sh->slice_type == HEVC_SLICE_B) ?
468 2 : (sh->slice_type == HEVC_SLICE_I ? 0 : 1);
469
470 int err, i, list_idx;
471
472 if (!sh->first_slice_in_pic_flag) {
473 err = ff_vaapi_decode_make_slice_buffer(avctx, &pic->pic,
474 &pic->last_slice_param, slice_param_size,
475 pic->last_buffer, pic->last_size);
476 pic->last_buffer = NULL;
477 pic->last_size = 0;
478 if (err) {
479 ff_vaapi_decode_cancel(avctx, &pic->pic);
480 return err;
481 }
482 }
483
484 *last_slice_param = (VASliceParameterBufferHEVC) {
485 .slice_data_size = size,
486 .slice_data_offset = 0,
487 .slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
488 /* Add 1 to the bits count here to account for the byte_alignment bit, which
489 * always is at least one bit and not accounted for otherwise. */
490 .slice_data_byte_offset = (get_bits_count(&h->HEVClc->gb) + 1 + 7) / 8,
491 .slice_segment_address = sh->slice_segment_addr,
492 .slice_qp_delta = sh->slice_qp_delta,
493 .slice_cb_qp_offset = sh->slice_cb_qp_offset,
494 .slice_cr_qp_offset = sh->slice_cr_qp_offset,
495 .slice_beta_offset_div2 = sh->beta_offset / 2,
496 .slice_tc_offset_div2 = sh->tc_offset / 2,
497 .collocated_ref_idx = sh->slice_temporal_mvp_enabled_flag ? sh->collocated_ref_idx : 0xFF,
498 .five_minus_max_num_merge_cand = sh->slice_type == HEVC_SLICE_I ? 0 : 5 - sh->max_num_merge_cand,
499 .num_ref_idx_l0_active_minus1 = sh->nb_refs[L0] ? sh->nb_refs[L0] - 1 : 0,
500 .num_ref_idx_l1_active_minus1 = sh->nb_refs[L1] ? sh->nb_refs[L1] - 1 : 0,
501
502 .LongSliceFlags.fields = {
503 .dependent_slice_segment_flag = sh->dependent_slice_segment_flag,
504 .slice_type = sh->slice_type,
505 .color_plane_id = sh->colour_plane_id,
506 .mvd_l1_zero_flag = sh->mvd_l1_zero_flag,
507 .cabac_init_flag = sh->cabac_init_flag,
508 .slice_temporal_mvp_enabled_flag = sh->slice_temporal_mvp_enabled_flag,
509 .slice_deblocking_filter_disabled_flag = sh->disable_deblocking_filter_flag,
510 .collocated_from_l0_flag = sh->collocated_list == L0 ? 1 : 0,
511 .slice_loop_filter_across_slices_enabled_flag = sh->slice_loop_filter_across_slices_enabled_flag,
512 .slice_sao_luma_flag = sh->slice_sample_adaptive_offset_flag[0],
513 .slice_sao_chroma_flag = sh->slice_sample_adaptive_offset_flag[1],
514 },
515 };
516
517 memset(last_slice_param->RefPicList, 0xFF, sizeof(last_slice_param->RefPicList));
518
519 for (list_idx = 0; list_idx < nb_list; list_idx++) {
520 RefPicList *rpl = &h->ref->refPicList[list_idx];
521
522 for (i = 0; i < rpl->nb_refs; i++)
523 last_slice_param->RefPicList[list_idx][i] = get_ref_pic_index(h, rpl->ref[i]);
524 }
525
526 fill_pred_weight_table(avctx, h, sh, last_slice_param);
527
528 #if VA_CHECK_VERSION(1, 2, 0)
529 if (avctx->profile >= AV_PROFILE_HEVC_REXT) {
530 pic->last_slice_param.rext = (VASliceParameterBufferHEVCRext) {
531 .slice_ext_flags.bits = {
532 .cu_chroma_qp_offset_enabled_flag = sh->cu_chroma_qp_offset_enabled_flag,
533 .use_integer_mv_flag = sh->use_integer_mv_flag,
534 },
535 .slice_act_y_qp_offset = sh->slice_act_y_qp_offset,
536 .slice_act_cb_qp_offset = sh->slice_act_cb_qp_offset,
537 .slice_act_cr_qp_offset = sh->slice_act_cr_qp_offset,
538 };
539 for (i = 0; i < 15 && i < sh->nb_refs[L0]; i++) {
540 pic->last_slice_param.rext.luma_offset_l0[i] = sh->luma_offset_l0[i];
541 pic->last_slice_param.rext.ChromaOffsetL0[i][0] = sh->chroma_offset_l0[i][0];
542 pic->last_slice_param.rext.ChromaOffsetL0[i][1] = sh->chroma_offset_l0[i][1];
543 }
544
545 if (sh->slice_type == HEVC_SLICE_B) {
546 for (i = 0; i < 15 && i < sh->nb_refs[L1]; i++) {
547 pic->last_slice_param.rext.luma_offset_l1[i] = sh->luma_offset_l1[i];
548 pic->last_slice_param.rext.ChromaOffsetL1[i][0] = sh->chroma_offset_l1[i][0];
549 pic->last_slice_param.rext.ChromaOffsetL1[i][1] = sh->chroma_offset_l1[i][1];
550 }
551 }
552 }
553 #endif
554
555 pic->last_buffer = buffer;
556 pic->last_size = size;
557
558 return 0;
559 }
560
561 static int ptl_convert(const PTLCommon *general_ptl, H265RawProfileTierLevel *h265_raw_ptl)
562 {
563 h265_raw_ptl->general_profile_space = general_ptl->profile_space;
564 h265_raw_ptl->general_tier_flag = general_ptl->tier_flag;
565 h265_raw_ptl->general_profile_idc = general_ptl->profile_idc;
566
567 memcpy(h265_raw_ptl->general_profile_compatibility_flag,
568 general_ptl->profile_compatibility_flag, 32 * sizeof(uint8_t));
569
570 #define copy_field(name) h265_raw_ptl->general_ ## name = general_ptl->name
571 copy_field(progressive_source_flag);
572 copy_field(interlaced_source_flag);
573 copy_field(non_packed_constraint_flag);
574 copy_field(frame_only_constraint_flag);
575 copy_field(max_12bit_constraint_flag);
576 copy_field(max_10bit_constraint_flag);
577 copy_field(max_8bit_constraint_flag);
578 copy_field(max_422chroma_constraint_flag);
579 copy_field(max_420chroma_constraint_flag);
580 copy_field(max_monochrome_constraint_flag);
581 copy_field(intra_constraint_flag);
582 copy_field(one_picture_only_constraint_flag);
583 copy_field(lower_bit_rate_constraint_flag);
584 copy_field(max_14bit_constraint_flag);
585 copy_field(inbld_flag);
586 copy_field(level_idc);
587 #undef copy_field
588
589 return 0;
590 }
591
592 /*
593 * Find exact va_profile for HEVC Range Extension and Screen Content Coding Extension
594 */
595 VAProfile ff_vaapi_parse_hevc_rext_scc_profile(AVCodecContext *avctx)
596 {
597 const HEVCContext *h = avctx->priv_data;
598 const HEVCSPS *sps = h->ps.sps;
599 const PTL *ptl = &sps->ptl;
600 const PTLCommon *general_ptl = &ptl->general_ptl;
601 const H265ProfileDescriptor *profile;
602 H265RawProfileTierLevel h265_raw_ptl = {0};
603
604 /* convert PTLCommon to H265RawProfileTierLevel */
605 ptl_convert(general_ptl, &h265_raw_ptl);
606
607 profile = ff_h265_get_profile(&h265_raw_ptl);
608 if (!profile) {
609 av_log(avctx, AV_LOG_WARNING, "HEVC profile is not found.\n");
610 goto end;
611 } else {
612 av_log(avctx, AV_LOG_VERBOSE, "HEVC profile %s is found.\n", profile->name);
613 }
614
615 #if VA_CHECK_VERSION(1, 2, 0)
616 if (!strcmp(profile->name, "Main 12") ||
617 !strcmp(profile->name, "Main 12 Intra"))
618 return VAProfileHEVCMain12;
619 else if (!strcmp(profile->name, "Main 4:2:2 10") ||
620 !strcmp(profile->name, "Main 4:2:2 10 Intra"))
621 return VAProfileHEVCMain422_10;
622 else if (!strcmp(profile->name, "Main 4:2:2 12") ||
623 !strcmp(profile->name, "Main 4:2:2 12 Intra"))
624 return VAProfileHEVCMain422_12;
625 else if (!strcmp(profile->name, "Main 4:4:4") ||
626 !strcmp(profile->name, "Main 4:4:4 Intra"))
627 return VAProfileHEVCMain444;
628 else if (!strcmp(profile->name, "Main 4:4:4 10") ||
629 !strcmp(profile->name, "Main 4:4:4 10 Intra"))
630 return VAProfileHEVCMain444_10;
631 else if (!strcmp(profile->name, "Main 4:4:4 12") ||
632 !strcmp(profile->name, "Main 4:4:4 12 Intra"))
633 return VAProfileHEVCMain444_12;
634 else if (!strcmp(profile->name, "Screen-Extended Main"))
635 return VAProfileHEVCSccMain;
636 else if (!strcmp(profile->name, "Screen-Extended Main 10"))
637 return VAProfileHEVCSccMain10;
638 else if (!strcmp(profile->name, "Screen-Extended Main 4:4:4"))
639 return VAProfileHEVCSccMain444;
640 #if VA_CHECK_VERSION(1, 8, 0)
641 else if (!strcmp(profile->name, "Screen-Extended Main 4:4:4 10"))
642 return VAProfileHEVCSccMain444_10;
643 #endif
644 #else
645 av_log(avctx, AV_LOG_WARNING, "HEVC profile %s is "
646 "not supported with this VA version.\n", profile->name);
647 #endif
648
649 end:
650 if (avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH) {
651 // Default to selecting Main profile if profile mismatch is allowed
652 return VAProfileHEVCMain;
653 } else
654 return VAProfileNone;
655 }
656
657 const FFHWAccel ff_hevc_vaapi_hwaccel = {
658 .p.name = "hevc_vaapi",
659 .p.type = AVMEDIA_TYPE_VIDEO,
660 .p.id = AV_CODEC_ID_HEVC,
661 .p.pix_fmt = AV_PIX_FMT_VAAPI,
662 .start_frame = vaapi_hevc_start_frame,
663 .end_frame = vaapi_hevc_end_frame,
664 .decode_slice = vaapi_hevc_decode_slice,
665 .frame_priv_data_size = sizeof(VAAPIDecodePictureHEVC),
666 .init = ff_vaapi_decode_init,
667 .uninit = ff_vaapi_decode_uninit,
668 .frame_params = ff_vaapi_common_frame_params,
669 .priv_data_size = sizeof(VAAPIDecodeContext),
670 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
671 };
672