FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vaapi_av1.c
Date: 2024-04-19 17:50:32
Exec Total Coverage
Lines: 0 267 0.0%
Functions: 0 7 0.0%
Branches: 0 106 0.0%

Line Branch Exec Source
1 /*
2 * AV1 HW decode acceleration through VA API
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include "libavutil/frame.h"
22 #include "hwaccel_internal.h"
23 #include "vaapi_decode.h"
24 #include "internal.h"
25 #include "av1dec.h"
26 #include "thread.h"
27
28 typedef struct VAAPIAV1FrameRef {
29 AVFrame *frame;
30 int valid;
31 } VAAPIAV1FrameRef;
32
33 typedef struct VAAPIAV1DecContext {
34 VAAPIDecodeContext base;
35
36 /**
37 * For film grain case, VAAPI generate 2 output for each frame,
38 * current_frame will not apply film grain, and will be used for
39 * references for next frames. Maintain the reference list without
40 * applying film grain here. And current_display_picture will be
41 * used to apply film grain and push to downstream.
42 */
43 VAAPIAV1FrameRef ref_tab[AV1_NUM_REF_FRAMES];
44 AVFrame *tmp_frame;
45 } VAAPIAV1DecContext;
46
47 static VASurfaceID vaapi_av1_surface_id(AV1Frame *vf)
48 {
49 if (vf)
50 return ff_vaapi_get_surface_id(vf->f);
51 else
52 return VA_INVALID_SURFACE;
53 }
54
55 static int8_t vaapi_av1_get_bit_depth_idx(AVCodecContext *avctx)
56 {
57 AV1DecContext *s = avctx->priv_data;
58 const AV1RawSequenceHeader *seq = s->raw_seq;
59 int8_t bit_depth = 8;
60
61 if (seq->seq_profile == 2 && seq->color_config.high_bitdepth)
62 bit_depth = seq->color_config.twelve_bit ? 12 : 10;
63 else if (seq->seq_profile <= 2)
64 bit_depth = seq->color_config.high_bitdepth ? 10 : 8;
65 else {
66 av_log(avctx, AV_LOG_ERROR,
67 "Couldn't get bit depth from profile:%d.\n", seq->seq_profile);
68 return -1;
69 }
70 return bit_depth == 8 ? 0 : bit_depth == 10 ? 1 : 2;
71 }
72
73 static int vaapi_av1_decode_init(AVCodecContext *avctx)
74 {
75 VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
76
77 ctx->tmp_frame = av_frame_alloc();
78 if (!ctx->tmp_frame)
79 return AVERROR(ENOMEM);
80
81 for (int i = 0; i < FF_ARRAY_ELEMS(ctx->ref_tab); i++) {
82 ctx->ref_tab[i].frame = av_frame_alloc();
83 if (!ctx->ref_tab[i].frame)
84 return AVERROR(ENOMEM);
85 ctx->ref_tab[i].valid = 0;
86 }
87
88 return ff_vaapi_decode_init(avctx);
89 }
90
91 static int vaapi_av1_decode_uninit(AVCodecContext *avctx)
92 {
93 VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
94
95 av_frame_free(&ctx->tmp_frame);
96
97 for (int i = 0; i < FF_ARRAY_ELEMS(ctx->ref_tab); i++)
98 av_frame_free(&ctx->ref_tab[i].frame);
99
100 return ff_vaapi_decode_uninit(avctx);
101 }
102
103
104 static int vaapi_av1_start_frame(AVCodecContext *avctx,
105 av_unused const uint8_t *buffer,
106 av_unused uint32_t size)
107 {
108 AV1DecContext *s = avctx->priv_data;
109 const AV1RawSequenceHeader *seq = s->raw_seq;
110 const AV1RawFrameHeader *frame_header = s->raw_frame_header;
111 const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
112 VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
113 VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
114 VADecPictureParameterBufferAV1 pic_param;
115 int8_t bit_depth_idx;
116 int err = 0;
117 int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) && film_grain->apply_grain;
118 uint8_t remap_lr_type[4] = {AV1_RESTORE_NONE, AV1_RESTORE_SWITCHABLE, AV1_RESTORE_WIENER, AV1_RESTORE_SGRPROJ};
119 uint8_t segmentation_feature_signed[AV1_SEG_LVL_MAX] = {1, 1, 1, 1, 1, 0, 0, 0};
120 uint8_t segmentation_feature_max[AV1_SEG_LVL_MAX] = {255, AV1_MAX_LOOP_FILTER,
121 AV1_MAX_LOOP_FILTER, AV1_MAX_LOOP_FILTER, AV1_MAX_LOOP_FILTER, 7 , 0 , 0 };
122
123 bit_depth_idx = vaapi_av1_get_bit_depth_idx(avctx);
124 if (bit_depth_idx < 0)
125 goto fail;
126
127 if (apply_grain) {
128 if (ctx->tmp_frame->buf[0])
129 av_frame_unref(ctx->tmp_frame);
130 err = ff_thread_get_buffer(avctx, ctx->tmp_frame, AV_GET_BUFFER_FLAG_REF);
131 if (err < 0)
132 goto fail;
133 pic->output_surface = ff_vaapi_get_surface_id(ctx->tmp_frame);
134 } else {
135 pic->output_surface = vaapi_av1_surface_id(&s->cur_frame);
136 }
137
138 memset(&pic_param, 0, sizeof(VADecPictureParameterBufferAV1));
139 pic_param = (VADecPictureParameterBufferAV1) {
140 .profile = seq->seq_profile,
141 .order_hint_bits_minus_1 = seq->order_hint_bits_minus_1,
142 .bit_depth_idx = bit_depth_idx,
143 .matrix_coefficients = seq->color_config.matrix_coefficients,
144 .current_frame = pic->output_surface,
145 .current_display_picture = vaapi_av1_surface_id(&s->cur_frame),
146 .frame_width_minus1 = frame_header->frame_width_minus_1,
147 .frame_height_minus1 = frame_header->frame_height_minus_1,
148 .primary_ref_frame = frame_header->primary_ref_frame,
149 .order_hint = frame_header->order_hint,
150 .tile_cols = frame_header->tile_cols,
151 .tile_rows = frame_header->tile_rows,
152 .context_update_tile_id = frame_header->context_update_tile_id,
153 .superres_scale_denominator = frame_header->use_superres ?
154 frame_header->coded_denom + AV1_SUPERRES_DENOM_MIN :
155 AV1_SUPERRES_NUM,
156 .interp_filter = frame_header->interpolation_filter,
157 .filter_level[0] = frame_header->loop_filter_level[0],
158 .filter_level[1] = frame_header->loop_filter_level[1],
159 .filter_level_u = frame_header->loop_filter_level[2],
160 .filter_level_v = frame_header->loop_filter_level[3],
161 .base_qindex = frame_header->base_q_idx,
162 .y_dc_delta_q = frame_header->delta_q_y_dc,
163 .u_dc_delta_q = frame_header->delta_q_u_dc,
164 .u_ac_delta_q = frame_header->delta_q_u_ac,
165 .v_dc_delta_q = frame_header->delta_q_v_dc,
166 .v_ac_delta_q = frame_header->delta_q_v_ac,
167 .cdef_damping_minus_3 = frame_header->cdef_damping_minus_3,
168 .cdef_bits = frame_header->cdef_bits,
169 .seq_info_fields.fields = {
170 .still_picture = seq->still_picture,
171 .use_128x128_superblock = seq->use_128x128_superblock,
172 .enable_filter_intra = seq->enable_filter_intra,
173 .enable_intra_edge_filter = seq->enable_intra_edge_filter,
174 .enable_interintra_compound = seq->enable_interintra_compound,
175 .enable_masked_compound = seq->enable_masked_compound,
176 .enable_dual_filter = seq->enable_dual_filter,
177 .enable_order_hint = seq->enable_order_hint,
178 .enable_jnt_comp = seq->enable_jnt_comp,
179 .enable_cdef = seq->enable_cdef,
180 .mono_chrome = seq->color_config.mono_chrome,
181 .color_range = seq->color_config.color_range,
182 .subsampling_x = seq->color_config.subsampling_x,
183 .subsampling_y = seq->color_config.subsampling_y,
184 .chroma_sample_position = seq->color_config.chroma_sample_position,
185 .film_grain_params_present = seq->film_grain_params_present &&
186 !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN),
187 },
188 .seg_info.segment_info_fields.bits = {
189 .enabled = frame_header->segmentation_enabled,
190 .update_map = frame_header->segmentation_update_map,
191 .temporal_update = frame_header->segmentation_temporal_update,
192 .update_data = frame_header->segmentation_update_data,
193 },
194 .film_grain_info = {
195 .film_grain_info_fields.bits = {
196 .apply_grain = apply_grain,
197 .chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma,
198 .grain_scaling_minus_8 = film_grain->grain_scaling_minus_8,
199 .ar_coeff_lag = film_grain->ar_coeff_lag,
200 .ar_coeff_shift_minus_6 = film_grain->ar_coeff_shift_minus_6,
201 .grain_scale_shift = film_grain->grain_scale_shift,
202 .overlap_flag = film_grain->overlap_flag,
203 .clip_to_restricted_range = film_grain->clip_to_restricted_range,
204 },
205 .grain_seed = film_grain->grain_seed,
206 .num_y_points = film_grain->num_y_points,
207 .num_cb_points = film_grain->num_cb_points,
208 .num_cr_points = film_grain->num_cr_points,
209 .cb_mult = film_grain->cb_mult,
210 .cb_luma_mult = film_grain->cb_luma_mult,
211 .cb_offset = film_grain->cb_offset,
212 .cr_mult = film_grain->cr_mult,
213 .cr_luma_mult = film_grain->cr_luma_mult,
214 .cr_offset = film_grain->cr_offset,
215 },
216 .pic_info_fields.bits = {
217 .frame_type = frame_header->frame_type,
218 .show_frame = frame_header->show_frame,
219 .showable_frame = frame_header->showable_frame,
220 .error_resilient_mode = frame_header->error_resilient_mode,
221 .disable_cdf_update = frame_header->disable_cdf_update,
222 .allow_screen_content_tools = frame_header->allow_screen_content_tools,
223 .force_integer_mv = frame_header->force_integer_mv,
224 .allow_intrabc = frame_header->allow_intrabc,
225 .use_superres = frame_header->use_superres,
226 .allow_high_precision_mv = frame_header->allow_high_precision_mv,
227 .is_motion_mode_switchable = frame_header->is_motion_mode_switchable,
228 .use_ref_frame_mvs = frame_header->use_ref_frame_mvs,
229 .disable_frame_end_update_cdf = frame_header->disable_frame_end_update_cdf,
230 .uniform_tile_spacing_flag = frame_header->uniform_tile_spacing_flag,
231 .allow_warped_motion = frame_header->allow_warped_motion,
232 },
233 .loop_filter_info_fields.bits = {
234 .sharpness_level = frame_header->loop_filter_sharpness,
235 .mode_ref_delta_enabled = frame_header->loop_filter_delta_enabled,
236 .mode_ref_delta_update = frame_header->loop_filter_delta_update,
237 },
238 .mode_control_fields.bits = {
239 .delta_q_present_flag = frame_header->delta_q_present,
240 .log2_delta_q_res = frame_header->delta_q_res,
241 .delta_lf_present_flag = frame_header->delta_lf_present,
242 .log2_delta_lf_res = frame_header->delta_lf_res,
243 .delta_lf_multi = frame_header->delta_lf_multi,
244 .tx_mode = frame_header->tx_mode,
245 .reference_select = frame_header->reference_select,
246 .reduced_tx_set_used = frame_header->reduced_tx_set,
247 .skip_mode_present = frame_header->skip_mode_present,
248 },
249 .loop_restoration_fields.bits = {
250 .yframe_restoration_type = remap_lr_type[frame_header->lr_type[0]],
251 .cbframe_restoration_type = remap_lr_type[frame_header->lr_type[1]],
252 .crframe_restoration_type = remap_lr_type[frame_header->lr_type[2]],
253 .lr_unit_shift = frame_header->lr_unit_shift,
254 .lr_uv_shift = frame_header->lr_uv_shift,
255 },
256 .qmatrix_fields.bits = {
257 .using_qmatrix = frame_header->using_qmatrix,
258 .qm_y = frame_header->qm_y,
259 .qm_u = frame_header->qm_u,
260 .qm_v = frame_header->qm_v,
261 }
262 };
263
264 for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
265 if (pic_param.pic_info_fields.bits.frame_type == AV1_FRAME_KEY && frame_header->show_frame)
266 pic_param.ref_frame_map[i] = VA_INVALID_ID;
267 else
268 pic_param.ref_frame_map[i] = ctx->ref_tab[i].valid ?
269 ff_vaapi_get_surface_id(ctx->ref_tab[i].frame) :
270 vaapi_av1_surface_id(&s->ref[i]);
271 }
272 for (int i = 0; i < AV1_REFS_PER_FRAME; i++) {
273 pic_param.ref_frame_idx[i] = frame_header->ref_frame_idx[i];
274 }
275 for (int i = 0; i < AV1_TOTAL_REFS_PER_FRAME; i++) {
276 pic_param.ref_deltas[i] = frame_header->loop_filter_ref_deltas[i];
277 }
278 for (int i = 0; i < 2; i++) {
279 pic_param.mode_deltas[i] = frame_header->loop_filter_mode_deltas[i];
280 }
281 for (int i = 0; i < (1 << frame_header->cdef_bits); i++) {
282 pic_param.cdef_y_strengths[i] =
283 (frame_header->cdef_y_pri_strength[i] << 2) +
284 frame_header->cdef_y_sec_strength[i];
285 pic_param.cdef_uv_strengths[i] =
286 (frame_header->cdef_uv_pri_strength[i] << 2) +
287 frame_header->cdef_uv_sec_strength[i];
288 }
289 for (int i = 0; i < frame_header->tile_cols; i++) {
290 pic_param.width_in_sbs_minus_1[i] =
291 frame_header->width_in_sbs_minus_1[i];
292 }
293 for (int i = 0; i < frame_header->tile_rows; i++) {
294 pic_param.height_in_sbs_minus_1[i] =
295 frame_header->height_in_sbs_minus_1[i];
296 }
297 for (int i = AV1_REF_FRAME_LAST; i <= AV1_REF_FRAME_ALTREF; i++) {
298 pic_param.wm[i - 1].invalid = s->cur_frame.gm_invalid[i];
299 pic_param.wm[i - 1].wmtype = s->cur_frame.gm_type[i];
300 for (int j = 0; j < 6; j++)
301 pic_param.wm[i - 1].wmmat[j] = s->cur_frame.gm_params[i][j];
302 }
303 for (int i = 0; i < AV1_MAX_SEGMENTS; i++) {
304 for (int j = 0; j < AV1_SEG_LVL_MAX; j++) {
305 pic_param.seg_info.feature_mask[i] |= (frame_header->feature_enabled[i][j] << j);
306 if (segmentation_feature_signed[j])
307 pic_param.seg_info.feature_data[i][j] = av_clip(frame_header->feature_value[i][j],
308 -segmentation_feature_max[j], segmentation_feature_max[j]);
309 else
310 pic_param.seg_info.feature_data[i][j] = av_clip(frame_header->feature_value[i][j],
311 0, segmentation_feature_max[j]);
312 }
313 }
314 if (apply_grain) {
315 for (int i = 0; i < film_grain->num_y_points; i++) {
316 pic_param.film_grain_info.point_y_value[i] =
317 film_grain->point_y_value[i];
318 pic_param.film_grain_info.point_y_scaling[i] =
319 film_grain->point_y_scaling[i];
320 }
321 for (int i = 0; i < film_grain->num_cb_points; i++) {
322 pic_param.film_grain_info.point_cb_value[i] =
323 film_grain->point_cb_value[i];
324 pic_param.film_grain_info.point_cb_scaling[i] =
325 film_grain->point_cb_scaling[i];
326 }
327 for (int i = 0; i < film_grain->num_cr_points; i++) {
328 pic_param.film_grain_info.point_cr_value[i] =
329 film_grain->point_cr_value[i];
330 pic_param.film_grain_info.point_cr_scaling[i] =
331 film_grain->point_cr_scaling[i];
332 }
333 for (int i = 0; i < 24; i++) {
334 pic_param.film_grain_info.ar_coeffs_y[i] =
335 film_grain->ar_coeffs_y_plus_128[i] - 128;
336 }
337 for (int i = 0; i < 25; i++) {
338 pic_param.film_grain_info.ar_coeffs_cb[i] =
339 film_grain->ar_coeffs_cb_plus_128[i] - 128;
340 pic_param.film_grain_info.ar_coeffs_cr[i] =
341 film_grain->ar_coeffs_cr_plus_128[i] - 128;
342 }
343 }
344 err = ff_vaapi_decode_make_param_buffer(avctx, pic,
345 VAPictureParameterBufferType,
346 &pic_param, sizeof(pic_param));
347 if (err < 0)
348 goto fail;
349
350 return 0;
351
352 fail:
353 ff_vaapi_decode_cancel(avctx, pic);
354 return err;
355 }
356
357 static int vaapi_av1_end_frame(AVCodecContext *avctx)
358 {
359 const AV1DecContext *s = avctx->priv_data;
360 const AV1RawFrameHeader *header = s->raw_frame_header;
361 const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
362 VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
363 VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
364
365 int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) && film_grain->apply_grain;
366 int ret;
367 ret = ff_vaapi_decode_issue(avctx, pic);
368 if (ret < 0)
369 return ret;
370
371 for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
372 if (header->refresh_frame_flags & (1 << i)) {
373 if (ctx->ref_tab[i].frame->buf[0])
374 av_frame_unref(ctx->ref_tab[i].frame);
375
376 if (apply_grain) {
377 ret = av_frame_ref(ctx->ref_tab[i].frame, ctx->tmp_frame);
378 if (ret < 0)
379 return ret;
380 ctx->ref_tab[i].valid = 1;
381 } else {
382 ctx->ref_tab[i].valid = 0;
383 }
384 }
385 }
386
387 return 0;
388 }
389
390 static int vaapi_av1_decode_slice(AVCodecContext *avctx,
391 const uint8_t *buffer,
392 uint32_t size)
393 {
394 const AV1DecContext *s = avctx->priv_data;
395 VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
396 VASliceParameterBufferAV1 slice_param;
397 int err = 0;
398
399 for (int i = s->tg_start; i <= s->tg_end; i++) {
400 memset(&slice_param, 0, sizeof(VASliceParameterBufferAV1));
401
402 slice_param = (VASliceParameterBufferAV1) {
403 .slice_data_size = s->tile_group_info[i].tile_size,
404 .slice_data_offset = s->tile_group_info[i].tile_offset,
405 .slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
406 .tile_row = s->tile_group_info[i].tile_row,
407 .tile_column = s->tile_group_info[i].tile_column,
408 .tg_start = s->tg_start,
409 .tg_end = s->tg_end,
410 };
411
412 err = ff_vaapi_decode_make_slice_buffer(avctx, pic, &slice_param,
413 sizeof(VASliceParameterBufferAV1),
414 buffer,
415 size);
416 if (err) {
417 ff_vaapi_decode_cancel(avctx, pic);
418 return err;
419 }
420 }
421
422 return 0;
423 }
424
425 const FFHWAccel ff_av1_vaapi_hwaccel = {
426 .p.name = "av1_vaapi",
427 .p.type = AVMEDIA_TYPE_VIDEO,
428 .p.id = AV_CODEC_ID_AV1,
429 .p.pix_fmt = AV_PIX_FMT_VAAPI,
430 .start_frame = vaapi_av1_start_frame,
431 .end_frame = vaapi_av1_end_frame,
432 .decode_slice = vaapi_av1_decode_slice,
433 .frame_priv_data_size = sizeof(VAAPIDecodePicture),
434 .init = vaapi_av1_decode_init,
435 .uninit = vaapi_av1_decode_uninit,
436 .frame_params = ff_vaapi_common_frame_params,
437 .priv_data_size = sizeof(VAAPIAV1DecContext),
438 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
439 };
440