FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vaapi_hevc.c
Date: 2021-09-26 18:22:30
Exec Total Coverage
Lines: 0 336 0.0%
Branches: 0 158 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 "hwconfig.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->interlaced_frame) {
64 va_pic->flags |= VA_PICTURE_HEVC_FIELD_PIC;
65
66 if (!pic->frame->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 int i;
75
76 for (i = 0; i < h->rps[ST_CURR_BEF].nb_refs; i++) {
77 if (pic_surf == ff_vaapi_get_surface_id(h->rps[ST_CURR_BEF].ref[i]->frame))
78 return VA_PICTURE_HEVC_RPS_ST_CURR_BEFORE;
79 }
80
81 for (i = 0; i < h->rps[ST_CURR_AFT].nb_refs; i++) {
82 if (pic_surf == ff_vaapi_get_surface_id(h->rps[ST_CURR_AFT].ref[i]->frame))
83 return VA_PICTURE_HEVC_RPS_ST_CURR_AFTER;
84 }
85
86 for (i = 0; i < h->rps[LT_CURR].nb_refs; i++) {
87 if (pic_surf == ff_vaapi_get_surface_id(h->rps[LT_CURR].ref[i]->frame))
88 return VA_PICTURE_HEVC_RPS_LT_CURR;
89 }
90
91 return 0;
92 }
93
94 static void fill_vaapi_reference_frames(const HEVCContext *h, VAPictureParameterBufferHEVC *pp)
95 {
96 const HEVCFrame *current_picture = h->ref;
97 int i, j, rps_type;
98
99 for (i = 0, j = 0; i < FF_ARRAY_ELEMS(pp->ReferenceFrames); i++) {
100 const HEVCFrame *frame = NULL;
101
102 while (!frame && j < FF_ARRAY_ELEMS(h->DPB)) {
103 if (&h->DPB[j] != current_picture && (h->DPB[j].flags & (HEVC_FRAME_FLAG_LONG_REF | HEVC_FRAME_FLAG_SHORT_REF)))
104 frame = &h->DPB[j];
105 j++;
106 }
107
108 init_vaapi_pic(&pp->ReferenceFrames[i]);
109
110 if (frame) {
111 rps_type = find_frame_rps_type(h, frame);
112 fill_vaapi_pic(&pp->ReferenceFrames[i], frame, rps_type);
113 }
114 }
115 }
116
117 static int vaapi_hevc_start_frame(AVCodecContext *avctx,
118 av_unused const uint8_t *buffer,
119 av_unused uint32_t size)
120 {
121 const HEVCContext *h = avctx->priv_data;
122 VAAPIDecodePictureHEVC *pic = h->ref->hwaccel_picture_private;
123 const HEVCSPS *sps = h->ps.sps;
124 const HEVCPPS *pps = h->ps.pps;
125
126 const ScalingList *scaling_list = NULL;
127 int pic_param_size, err, i;
128
129 VAPictureParameterBufferHEVC *pic_param = (VAPictureParameterBufferHEVC *)&pic->pic_param;
130
131 pic->pic.output_surface = ff_vaapi_get_surface_id(h->ref->frame);
132
133 *pic_param = (VAPictureParameterBufferHEVC) {
134 .pic_width_in_luma_samples = sps->width,
135 .pic_height_in_luma_samples = sps->height,
136 .log2_min_luma_coding_block_size_minus3 = sps->log2_min_cb_size - 3,
137 .sps_max_dec_pic_buffering_minus1 = sps->temporal_layer[sps->max_sub_layers - 1].max_dec_pic_buffering - 1,
138 .log2_diff_max_min_luma_coding_block_size = sps->log2_diff_max_min_coding_block_size,
139 .log2_min_transform_block_size_minus2 = sps->log2_min_tb_size - 2,
140 .log2_diff_max_min_transform_block_size = sps->log2_max_trafo_size - sps->log2_min_tb_size,
141 .max_transform_hierarchy_depth_inter = sps->max_transform_hierarchy_depth_inter,
142 .max_transform_hierarchy_depth_intra = sps->max_transform_hierarchy_depth_intra,
143 .num_short_term_ref_pic_sets = sps->nb_st_rps,
144 .num_long_term_ref_pic_sps = sps->num_long_term_ref_pics_sps,
145 .num_ref_idx_l0_default_active_minus1 = pps->num_ref_idx_l0_default_active - 1,
146 .num_ref_idx_l1_default_active_minus1 = pps->num_ref_idx_l1_default_active - 1,
147 .init_qp_minus26 = pps->pic_init_qp_minus26,
148 .pps_cb_qp_offset = pps->cb_qp_offset,
149 .pps_cr_qp_offset = pps->cr_qp_offset,
150 .pcm_sample_bit_depth_luma_minus1 = sps->pcm.bit_depth - 1,
151 .pcm_sample_bit_depth_chroma_minus1 = sps->pcm.bit_depth_chroma - 1,
152 .log2_min_pcm_luma_coding_block_size_minus3 = sps->pcm.log2_min_pcm_cb_size - 3,
153 .log2_diff_max_min_pcm_luma_coding_block_size = sps->pcm.log2_max_pcm_cb_size - sps->pcm.log2_min_pcm_cb_size,
154 .diff_cu_qp_delta_depth = pps->diff_cu_qp_delta_depth,
155 .pps_beta_offset_div2 = pps->beta_offset / 2,
156 .pps_tc_offset_div2 = pps->tc_offset / 2,
157 .log2_parallel_merge_level_minus2 = pps->log2_parallel_merge_level - 2,
158 .bit_depth_luma_minus8 = sps->bit_depth - 8,
159 .bit_depth_chroma_minus8 = sps->bit_depth - 8,
160 .log2_max_pic_order_cnt_lsb_minus4 = sps->log2_max_poc_lsb - 4,
161 .num_extra_slice_header_bits = pps->num_extra_slice_header_bits,
162 .pic_fields.bits = {
163 .chroma_format_idc = sps->chroma_format_idc,
164 .tiles_enabled_flag = pps->tiles_enabled_flag,
165 .separate_colour_plane_flag = sps->separate_colour_plane_flag,
166 .pcm_enabled_flag = sps->pcm_enabled_flag,
167 .scaling_list_enabled_flag = sps->scaling_list_enable_flag,
168 .transform_skip_enabled_flag = pps->transform_skip_enabled_flag,
169 .amp_enabled_flag = sps->amp_enabled_flag,
170 .strong_intra_smoothing_enabled_flag = sps->sps_strong_intra_smoothing_enable_flag,
171 .sign_data_hiding_enabled_flag = pps->sign_data_hiding_flag,
172 .constrained_intra_pred_flag = pps->constrained_intra_pred_flag,
173 .cu_qp_delta_enabled_flag = pps->cu_qp_delta_enabled_flag,
174 .weighted_pred_flag = pps->weighted_pred_flag,
175 .weighted_bipred_flag = pps->weighted_bipred_flag,
176 .transquant_bypass_enabled_flag = pps->transquant_bypass_enable_flag,
177 .entropy_coding_sync_enabled_flag = pps->entropy_coding_sync_enabled_flag,
178 .pps_loop_filter_across_slices_enabled_flag = pps->seq_loop_filter_across_slices_enabled_flag,
179 .loop_filter_across_tiles_enabled_flag = pps->loop_filter_across_tiles_enabled_flag,
180 .pcm_loop_filter_disabled_flag = sps->pcm.loop_filter_disable_flag,
181 },
182 .slice_parsing_fields.bits = {
183 .lists_modification_present_flag = pps->lists_modification_present_flag,
184 .long_term_ref_pics_present_flag = sps->long_term_ref_pics_present_flag,
185 .sps_temporal_mvp_enabled_flag = sps->sps_temporal_mvp_enabled_flag,
186 .cabac_init_present_flag = pps->cabac_init_present_flag,
187 .output_flag_present_flag = pps->output_flag_present_flag,
188 .dependent_slice_segments_enabled_flag = pps->dependent_slice_segments_enabled_flag,
189 .pps_slice_chroma_qp_offsets_present_flag = pps->pic_slice_level_chroma_qp_offsets_present_flag,
190 .sample_adaptive_offset_enabled_flag = sps->sao_enabled,
191 .deblocking_filter_override_enabled_flag = pps->deblocking_filter_override_enabled_flag,
192 .pps_disable_deblocking_filter_flag = pps->disable_dbf,
193 .slice_segment_header_extension_present_flag = pps->slice_header_extension_present_flag,
194 .RapPicFlag = IS_IRAP(h),
195 .IdrPicFlag = IS_IDR(h),
196 .IntraPicFlag = IS_IRAP(h),
197 },
198 };
199
200 fill_vaapi_pic(&pic_param->CurrPic, h->ref, 0);
201 fill_vaapi_reference_frames(h, pic_param);
202
203 if (pps->tiles_enabled_flag) {
204 pic_param->num_tile_columns_minus1 = pps->num_tile_columns - 1;
205 pic_param->num_tile_rows_minus1 = pps->num_tile_rows - 1;
206
207 for (i = 0; i < pps->num_tile_columns; i++)
208 pic_param->column_width_minus1[i] = pps->column_width[i] - 1;
209
210 for (i = 0; i < pps->num_tile_rows; i++)
211 pic_param->row_height_minus1[i] = pps->row_height[i] - 1;
212 }
213
214 if (h->sh.short_term_ref_pic_set_sps_flag == 0 && h->sh.short_term_rps) {
215 pic_param->st_rps_bits = h->sh.short_term_ref_pic_set_size;
216 } else {
217 pic_param->st_rps_bits = 0;
218 }
219
220 #if VA_CHECK_VERSION(1, 2, 0)
221 if (avctx->profile == FF_PROFILE_HEVC_REXT) {
222 pic->pic_param.rext = (VAPictureParameterBufferHEVCRext) {
223 .range_extension_pic_fields.bits = {
224 .transform_skip_rotation_enabled_flag = sps->transform_skip_rotation_enabled_flag,
225 .transform_skip_context_enabled_flag = sps->transform_skip_context_enabled_flag,
226 .implicit_rdpcm_enabled_flag = sps->implicit_rdpcm_enabled_flag,
227 .explicit_rdpcm_enabled_flag = sps->explicit_rdpcm_enabled_flag,
228 .extended_precision_processing_flag = sps->extended_precision_processing_flag,
229 .intra_smoothing_disabled_flag = sps->intra_smoothing_disabled_flag,
230 .high_precision_offsets_enabled_flag = sps->high_precision_offsets_enabled_flag,
231 .persistent_rice_adaptation_enabled_flag = sps->persistent_rice_adaptation_enabled_flag,
232 .cabac_bypass_alignment_enabled_flag = sps->cabac_bypass_alignment_enabled_flag,
233 .cross_component_prediction_enabled_flag = pps->cross_component_prediction_enabled_flag,
234 .chroma_qp_offset_list_enabled_flag = pps->chroma_qp_offset_list_enabled_flag,
235 },
236 .diff_cu_chroma_qp_offset_depth = pps->diff_cu_chroma_qp_offset_depth,
237 .chroma_qp_offset_list_len_minus1 = pps->chroma_qp_offset_list_len_minus1,
238 .log2_sao_offset_scale_luma = pps->log2_sao_offset_scale_luma,
239 .log2_sao_offset_scale_chroma = pps->log2_sao_offset_scale_chroma,
240 .log2_max_transform_skip_block_size_minus2 = pps->log2_max_transform_skip_block_size - 2,
241 };
242
243 for (i = 0; i < 6; i++)
244 pic->pic_param.rext.cb_qp_offset_list[i] = pps->cb_qp_offset_list[i];
245 for (i = 0; i < 6; i++)
246 pic->pic_param.rext.cr_qp_offset_list[i] = pps->cr_qp_offset_list[i];
247 }
248 #endif
249 pic_param_size = avctx->profile == FF_PROFILE_HEVC_REXT ?
250 sizeof(pic->pic_param) : sizeof(VAPictureParameterBufferHEVC);
251
252 err = ff_vaapi_decode_make_param_buffer(avctx, &pic->pic,
253 VAPictureParameterBufferType,
254 &pic->pic_param, pic_param_size);
255 if (err < 0)
256 goto fail;
257
258 if (pps->scaling_list_data_present_flag)
259 scaling_list = &pps->scaling_list;
260 else if (sps->scaling_list_enable_flag)
261 scaling_list = &sps->scaling_list;
262
263 if (scaling_list) {
264 VAIQMatrixBufferHEVC iq_matrix;
265 int j;
266
267 for (i = 0; i < 6; i++) {
268 for (j = 0; j < 16; j++)
269 iq_matrix.ScalingList4x4[i][j] = scaling_list->sl[0][i][j];
270 for (j = 0; j < 64; j++) {
271 iq_matrix.ScalingList8x8[i][j] = scaling_list->sl[1][i][j];
272 iq_matrix.ScalingList16x16[i][j] = scaling_list->sl[2][i][j];
273 if (i < 2)
274 iq_matrix.ScalingList32x32[i][j] = scaling_list->sl[3][i * 3][j];
275 }
276 iq_matrix.ScalingListDC16x16[i] = scaling_list->sl_dc[0][i];
277 if (i < 2)
278 iq_matrix.ScalingListDC32x32[i] = scaling_list->sl_dc[1][i * 3];
279 }
280
281 err = ff_vaapi_decode_make_param_buffer(avctx, &pic->pic,
282 VAIQMatrixBufferType,
283 &iq_matrix, sizeof(iq_matrix));
284 if (err < 0)
285 goto fail;
286 }
287
288 return 0;
289
290 fail:
291 ff_vaapi_decode_cancel(avctx, &pic->pic);
292 return err;
293 }
294
295 static int vaapi_hevc_end_frame(AVCodecContext *avctx)
296 {
297 const HEVCContext *h = avctx->priv_data;
298 VAAPIDecodePictureHEVC *pic = h->ref->hwaccel_picture_private;
299 VASliceParameterBufferHEVC *last_slice_param = (VASliceParameterBufferHEVC *)&pic->last_slice_param;
300 int ret;
301
302 int slice_param_size = avctx->profile == FF_PROFILE_HEVC_REXT ?
303 sizeof(pic->last_slice_param) : sizeof(VASliceParameterBufferHEVC);
304
305 if (pic->last_size) {
306 last_slice_param->LongSliceFlags.fields.LastSliceOfPic = 1;
307 ret = ff_vaapi_decode_make_slice_buffer(avctx, &pic->pic,
308 &pic->last_slice_param, slice_param_size,
309 pic->last_buffer, pic->last_size);
310 if (ret < 0)
311 goto fail;
312 }
313
314
315 ret = ff_vaapi_decode_issue(avctx, &pic->pic);
316 if (ret < 0)
317 goto fail;
318
319 return 0;
320 fail:
321 ff_vaapi_decode_cancel(avctx, &pic->pic);
322 return ret;
323 }
324
325 static void fill_pred_weight_table(const HEVCContext *h,
326 const SliceHeader *sh,
327 VASliceParameterBufferHEVC *slice_param)
328 {
329 int i;
330
331 memset(slice_param->delta_luma_weight_l0, 0, sizeof(slice_param->delta_luma_weight_l0));
332 memset(slice_param->delta_luma_weight_l1, 0, sizeof(slice_param->delta_luma_weight_l1));
333 memset(slice_param->luma_offset_l0, 0, sizeof(slice_param->luma_offset_l0));
334 memset(slice_param->luma_offset_l1, 0, sizeof(slice_param->luma_offset_l1));
335 memset(slice_param->delta_chroma_weight_l0, 0, sizeof(slice_param->delta_chroma_weight_l0));
336 memset(slice_param->delta_chroma_weight_l1, 0, sizeof(slice_param->delta_chroma_weight_l1));
337 memset(slice_param->ChromaOffsetL0, 0, sizeof(slice_param->ChromaOffsetL0));
338 memset(slice_param->ChromaOffsetL1, 0, sizeof(slice_param->ChromaOffsetL1));
339
340 slice_param->delta_chroma_log2_weight_denom = 0;
341 slice_param->luma_log2_weight_denom = 0;
342
343 if (sh->slice_type == HEVC_SLICE_I ||
344 (sh->slice_type == HEVC_SLICE_P && !h->ps.pps->weighted_pred_flag) ||
345 (sh->slice_type == HEVC_SLICE_B && !h->ps.pps->weighted_bipred_flag))
346 return;
347
348 slice_param->luma_log2_weight_denom = sh->luma_log2_weight_denom;
349
350 if (h->ps.sps->chroma_format_idc) {
351 slice_param->delta_chroma_log2_weight_denom = sh->chroma_log2_weight_denom - sh->luma_log2_weight_denom;
352 }
353
354 for (i = 0; i < 15 && i < sh->nb_refs[L0]; i++) {
355 slice_param->delta_luma_weight_l0[i] = sh->luma_weight_l0[i] - (1 << sh->luma_log2_weight_denom);
356 slice_param->luma_offset_l0[i] = sh->luma_offset_l0[i];
357 slice_param->delta_chroma_weight_l0[i][0] = sh->chroma_weight_l0[i][0] - (1 << sh->chroma_log2_weight_denom);
358 slice_param->delta_chroma_weight_l0[i][1] = sh->chroma_weight_l0[i][1] - (1 << sh->chroma_log2_weight_denom);
359 slice_param->ChromaOffsetL0[i][0] = sh->chroma_offset_l0[i][0];
360 slice_param->ChromaOffsetL0[i][1] = sh->chroma_offset_l0[i][1];
361 }
362
363 if (sh->slice_type == HEVC_SLICE_B) {
364 for (i = 0; i < 15 && i < sh->nb_refs[L1]; i++) {
365 slice_param->delta_luma_weight_l1[i] = sh->luma_weight_l1[i] - (1 << sh->luma_log2_weight_denom);
366 slice_param->luma_offset_l1[i] = sh->luma_offset_l1[i];
367 slice_param->delta_chroma_weight_l1[i][0] = sh->chroma_weight_l1[i][0] - (1 << sh->chroma_log2_weight_denom);
368 slice_param->delta_chroma_weight_l1[i][1] = sh->chroma_weight_l1[i][1] - (1 << sh->chroma_log2_weight_denom);
369 slice_param->ChromaOffsetL1[i][0] = sh->chroma_offset_l1[i][0];
370 slice_param->ChromaOffsetL1[i][1] = sh->chroma_offset_l1[i][1];
371 }
372 }
373 }
374
375 static uint8_t get_ref_pic_index(const HEVCContext *h, const HEVCFrame *frame)
376 {
377 VAAPIDecodePictureHEVC *pic = h->ref->hwaccel_picture_private;
378 VAPictureParameterBufferHEVC *pp = (VAPictureParameterBufferHEVC *)&pic->pic_param;
379 uint8_t i;
380
381 if (!frame)
382 return 0xff;
383
384 for (i = 0; i < FF_ARRAY_ELEMS(pp->ReferenceFrames); i++) {
385 VASurfaceID pid = pp->ReferenceFrames[i].picture_id;
386 int poc = pp->ReferenceFrames[i].pic_order_cnt;
387 if (pid != VA_INVALID_ID && pid == ff_vaapi_get_surface_id(frame->frame) && poc == frame->poc)
388 return i;
389 }
390
391 return 0xff;
392 }
393
394 static int vaapi_hevc_decode_slice(AVCodecContext *avctx,
395 const uint8_t *buffer,
396 uint32_t size)
397 {
398 const HEVCContext *h = avctx->priv_data;
399 const SliceHeader *sh = &h->sh;
400 VAAPIDecodePictureHEVC *pic = h->ref->hwaccel_picture_private;
401 VASliceParameterBufferHEVC *last_slice_param = (VASliceParameterBufferHEVC *)&pic->last_slice_param;
402
403 int slice_param_size = avctx->profile == FF_PROFILE_HEVC_REXT ?
404 sizeof(pic->last_slice_param) : sizeof(VASliceParameterBufferHEVC);
405
406 int nb_list = (sh->slice_type == HEVC_SLICE_B) ?
407 2 : (sh->slice_type == HEVC_SLICE_I ? 0 : 1);
408
409 int err, i, list_idx;
410
411 if (!sh->first_slice_in_pic_flag) {
412 err = ff_vaapi_decode_make_slice_buffer(avctx, &pic->pic,
413 &pic->last_slice_param, slice_param_size,
414 pic->last_buffer, pic->last_size);
415 pic->last_buffer = NULL;
416 pic->last_size = 0;
417 if (err) {
418 ff_vaapi_decode_cancel(avctx, &pic->pic);
419 return err;
420 }
421 }
422
423 *last_slice_param = (VASliceParameterBufferHEVC) {
424 .slice_data_size = size,
425 .slice_data_offset = 0,
426 .slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
427 /* Add 1 to the bits count here to account for the byte_alignment bit, which
428 * always is at least one bit and not accounted for otherwise. */
429 .slice_data_byte_offset = (get_bits_count(&h->HEVClc->gb) + 1 + 7) / 8,
430 .slice_segment_address = sh->slice_segment_addr,
431 .slice_qp_delta = sh->slice_qp_delta,
432 .slice_cb_qp_offset = sh->slice_cb_qp_offset,
433 .slice_cr_qp_offset = sh->slice_cr_qp_offset,
434 .slice_beta_offset_div2 = sh->beta_offset / 2,
435 .slice_tc_offset_div2 = sh->tc_offset / 2,
436 .collocated_ref_idx = sh->slice_temporal_mvp_enabled_flag ? sh->collocated_ref_idx : 0xFF,
437 .five_minus_max_num_merge_cand = sh->slice_type == HEVC_SLICE_I ? 0 : 5 - sh->max_num_merge_cand,
438 .num_ref_idx_l0_active_minus1 = sh->nb_refs[L0] ? sh->nb_refs[L0] - 1 : 0,
439 .num_ref_idx_l1_active_minus1 = sh->nb_refs[L1] ? sh->nb_refs[L1] - 1 : 0,
440
441 .LongSliceFlags.fields = {
442 .dependent_slice_segment_flag = sh->dependent_slice_segment_flag,
443 .slice_type = sh->slice_type,
444 .color_plane_id = sh->colour_plane_id,
445 .mvd_l1_zero_flag = sh->mvd_l1_zero_flag,
446 .cabac_init_flag = sh->cabac_init_flag,
447 .slice_temporal_mvp_enabled_flag = sh->slice_temporal_mvp_enabled_flag,
448 .slice_deblocking_filter_disabled_flag = sh->disable_deblocking_filter_flag,
449 .collocated_from_l0_flag = sh->collocated_list == L0 ? 1 : 0,
450 .slice_loop_filter_across_slices_enabled_flag = sh->slice_loop_filter_across_slices_enabled_flag,
451 .slice_sao_luma_flag = sh->slice_sample_adaptive_offset_flag[0],
452 .slice_sao_chroma_flag = sh->slice_sample_adaptive_offset_flag[1],
453 },
454 };
455
456 memset(last_slice_param->RefPicList, 0xFF, sizeof(last_slice_param->RefPicList));
457
458 for (list_idx = 0; list_idx < nb_list; list_idx++) {
459 RefPicList *rpl = &h->ref->refPicList[list_idx];
460
461 for (i = 0; i < rpl->nb_refs; i++)
462 last_slice_param->RefPicList[list_idx][i] = get_ref_pic_index(h, rpl->ref[i]);
463 }
464
465 fill_pred_weight_table(h, sh, last_slice_param);
466
467 #if VA_CHECK_VERSION(1, 2, 0)
468 if (avctx->profile == FF_PROFILE_HEVC_REXT) {
469 pic->last_slice_param.rext = (VASliceParameterBufferHEVCRext) {
470 .slice_ext_flags.bits = {
471 .cu_chroma_qp_offset_enabled_flag = sh->cu_chroma_qp_offset_enabled_flag,
472 },
473 };
474
475 memcpy(pic->last_slice_param.rext.luma_offset_l0, pic->last_slice_param.base.luma_offset_l0,
476 sizeof(pic->last_slice_param.base.luma_offset_l0));
477 memcpy(pic->last_slice_param.rext.luma_offset_l1, pic->last_slice_param.base.luma_offset_l1,
478 sizeof(pic->last_slice_param.base.luma_offset_l1));
479 memcpy(pic->last_slice_param.rext.ChromaOffsetL0, pic->last_slice_param.base.ChromaOffsetL0,
480 sizeof(pic->last_slice_param.base.ChromaOffsetL0));
481 memcpy(pic->last_slice_param.rext.ChromaOffsetL1, pic->last_slice_param.base.ChromaOffsetL1,
482 sizeof(pic->last_slice_param.base.ChromaOffsetL1));
483 }
484 #endif
485
486 pic->last_buffer = buffer;
487 pic->last_size = size;
488
489 return 0;
490 }
491
492 static int ptl_convert(const PTLCommon *general_ptl, H265RawProfileTierLevel *h265_raw_ptl)
493 {
494 h265_raw_ptl->general_profile_space = general_ptl->profile_space;
495 h265_raw_ptl->general_tier_flag = general_ptl->tier_flag;
496 h265_raw_ptl->general_profile_idc = general_ptl->profile_idc;
497
498 memcpy(h265_raw_ptl->general_profile_compatibility_flag,
499 general_ptl->profile_compatibility_flag, 32 * sizeof(uint8_t));
500
501 #define copy_field(name) h265_raw_ptl->general_ ## name = general_ptl->name
502 copy_field(progressive_source_flag);
503 copy_field(interlaced_source_flag);
504 copy_field(non_packed_constraint_flag);
505 copy_field(frame_only_constraint_flag);
506 copy_field(max_12bit_constraint_flag);
507 copy_field(max_10bit_constraint_flag);
508 copy_field(max_8bit_constraint_flag);
509 copy_field(max_422chroma_constraint_flag);
510 copy_field(max_420chroma_constraint_flag);
511 copy_field(max_monochrome_constraint_flag);
512 copy_field(intra_constraint_flag);
513 copy_field(one_picture_only_constraint_flag);
514 copy_field(lower_bit_rate_constraint_flag);
515 copy_field(max_14bit_constraint_flag);
516 copy_field(inbld_flag);
517 copy_field(level_idc);
518 #undef copy_field
519
520 return 0;
521 }
522
523 /*
524 * Find exact va_profile for HEVC Range Extension
525 */
526 VAProfile ff_vaapi_parse_hevc_rext_profile(AVCodecContext *avctx)
527 {
528 const HEVCContext *h = avctx->priv_data;
529 const HEVCSPS *sps = h->ps.sps;
530 const PTL *ptl = &sps->ptl;
531 const PTLCommon *general_ptl = &ptl->general_ptl;
532 const H265ProfileDescriptor *profile;
533 H265RawProfileTierLevel h265_raw_ptl = {0};
534
535 /* convert PTLCommon to H265RawProfileTierLevel */
536 ptl_convert(general_ptl, &h265_raw_ptl);
537
538 profile = ff_h265_get_profile(&h265_raw_ptl);
539 if (!profile) {
540 av_log(avctx, AV_LOG_WARNING, "HEVC profile is not found.\n");
541 goto end;
542 } else {
543 av_log(avctx, AV_LOG_VERBOSE, "HEVC profile %s is found.\n", profile->name);
544 }
545
546 #if VA_CHECK_VERSION(1, 2, 0)
547 if (!strcmp(profile->name, "Main 4:2:2 10") ||
548 !strcmp(profile->name, "Main 4:2:2 10 Intra"))
549 return VAProfileHEVCMain422_10;
550 else if (!strcmp(profile->name, "Main 4:4:4") ||
551 !strcmp(profile->name, "Main 4:4:4 Intra"))
552 return VAProfileHEVCMain444;
553 else if (!strcmp(profile->name, "Main 4:4:4 10") ||
554 !strcmp(profile->name, "Main 4:4:4 10 Intra"))
555 return VAProfileHEVCMain444_10;
556 #else
557 av_log(avctx, AV_LOG_WARNING, "HEVC profile %s is "
558 "not supported with this VA version.\n", profile->name);
559 #endif
560
561 end:
562 if (avctx->hwaccel_flags & AV_HWACCEL_FLAG_ALLOW_PROFILE_MISMATCH) {
563 // Default to selecting Main profile if profile mismatch is allowed
564 return VAProfileHEVCMain;
565 } else
566 return VAProfileNone;
567 }
568
569 const AVHWAccel ff_hevc_vaapi_hwaccel = {
570 .name = "hevc_vaapi",
571 .type = AVMEDIA_TYPE_VIDEO,
572 .id = AV_CODEC_ID_HEVC,
573 .pix_fmt = AV_PIX_FMT_VAAPI,
574 .start_frame = vaapi_hevc_start_frame,
575 .end_frame = vaapi_hevc_end_frame,
576 .decode_slice = vaapi_hevc_decode_slice,
577 .frame_priv_data_size = sizeof(VAAPIDecodePictureHEVC),
578 .init = ff_vaapi_decode_init,
579 .uninit = ff_vaapi_decode_uninit,
580 .frame_params = ff_vaapi_common_frame_params,
581 .priv_data_size = sizeof(VAAPIDecodeContext),
582 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
583 };
584