FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vaapi_av1.c
Date: 2024-07-24 19:24:46
Exec Total Coverage
Lines: 0 278 0.0%
Functions: 0 7 0.0%
Branches: 0 110 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 "libavutil/mem.h"
23 #include "hwaccel_internal.h"
24 #include "vaapi_decode.h"
25 #include "internal.h"
26 #include "av1dec.h"
27 #include "thread.h"
28
29 typedef struct VAAPIAV1FrameRef {
30 AVFrame *frame;
31 int valid;
32 } VAAPIAV1FrameRef;
33
34 typedef struct VAAPIAV1DecContext {
35 VAAPIDecodeContext base;
36
37 /**
38 * For film grain case, VAAPI generate 2 output for each frame,
39 * current_frame will not apply film grain, and will be used for
40 * references for next frames. Maintain the reference list without
41 * applying film grain here. And current_display_picture will be
42 * used to apply film grain and push to downstream.
43 */
44 VAAPIAV1FrameRef ref_tab[AV1_NUM_REF_FRAMES];
45 AVFrame *tmp_frame;
46
47 int nb_slice_params;
48 VASliceParameterBufferAV1 *slice_params;
49 } VAAPIAV1DecContext;
50
51 static VASurfaceID vaapi_av1_surface_id(AV1Frame *vf)
52 {
53 if (vf->f)
54 return ff_vaapi_get_surface_id(vf->f);
55 else
56 return VA_INVALID_SURFACE;
57 }
58
59 static int8_t vaapi_av1_get_bit_depth_idx(AVCodecContext *avctx)
60 {
61 AV1DecContext *s = avctx->priv_data;
62 const AV1RawSequenceHeader *seq = s->raw_seq;
63 int8_t bit_depth = 8;
64
65 if (seq->seq_profile == 2 && seq->color_config.high_bitdepth)
66 bit_depth = seq->color_config.twelve_bit ? 12 : 10;
67 else if (seq->seq_profile <= 2)
68 bit_depth = seq->color_config.high_bitdepth ? 10 : 8;
69 else {
70 av_log(avctx, AV_LOG_ERROR,
71 "Couldn't get bit depth from profile:%d.\n", seq->seq_profile);
72 return -1;
73 }
74 return bit_depth == 8 ? 0 : bit_depth == 10 ? 1 : 2;
75 }
76
77 static int vaapi_av1_decode_init(AVCodecContext *avctx)
78 {
79 VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
80
81 ctx->tmp_frame = av_frame_alloc();
82 if (!ctx->tmp_frame)
83 return AVERROR(ENOMEM);
84
85 for (int i = 0; i < FF_ARRAY_ELEMS(ctx->ref_tab); i++) {
86 ctx->ref_tab[i].frame = av_frame_alloc();
87 if (!ctx->ref_tab[i].frame)
88 return AVERROR(ENOMEM);
89 ctx->ref_tab[i].valid = 0;
90 }
91
92 return ff_vaapi_decode_init(avctx);
93 }
94
95 static int vaapi_av1_decode_uninit(AVCodecContext *avctx)
96 {
97 VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
98
99 av_frame_free(&ctx->tmp_frame);
100
101 for (int i = 0; i < FF_ARRAY_ELEMS(ctx->ref_tab); i++)
102 av_frame_free(&ctx->ref_tab[i].frame);
103
104 av_freep(&ctx->slice_params);
105
106 return ff_vaapi_decode_uninit(avctx);
107 }
108
109
110 static int vaapi_av1_start_frame(AVCodecContext *avctx,
111 av_unused const uint8_t *buffer,
112 av_unused uint32_t size)
113 {
114 AV1DecContext *s = avctx->priv_data;
115 const AV1RawSequenceHeader *seq = s->raw_seq;
116 const AV1RawFrameHeader *frame_header = s->raw_frame_header;
117 const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
118 VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
119 VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
120 VADecPictureParameterBufferAV1 pic_param;
121 int8_t bit_depth_idx;
122 int err = 0;
123 int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) && film_grain->apply_grain;
124 uint8_t remap_lr_type[4] = {AV1_RESTORE_NONE, AV1_RESTORE_SWITCHABLE, AV1_RESTORE_WIENER, AV1_RESTORE_SGRPROJ};
125 uint8_t segmentation_feature_signed[AV1_SEG_LVL_MAX] = {1, 1, 1, 1, 1, 0, 0, 0};
126 uint8_t segmentation_feature_max[AV1_SEG_LVL_MAX] = {255, AV1_MAX_LOOP_FILTER,
127 AV1_MAX_LOOP_FILTER, AV1_MAX_LOOP_FILTER, AV1_MAX_LOOP_FILTER, 7 , 0 , 0 };
128
129 bit_depth_idx = vaapi_av1_get_bit_depth_idx(avctx);
130 if (bit_depth_idx < 0)
131 goto fail;
132
133 if (apply_grain) {
134 if (ctx->tmp_frame->buf[0])
135 av_frame_unref(ctx->tmp_frame);
136 err = ff_thread_get_buffer(avctx, ctx->tmp_frame, AV_GET_BUFFER_FLAG_REF);
137 if (err < 0)
138 goto fail;
139 pic->output_surface = ff_vaapi_get_surface_id(ctx->tmp_frame);
140 } else {
141 pic->output_surface = ff_vaapi_get_surface_id(s->cur_frame.f);
142 }
143
144 memset(&pic_param, 0, sizeof(VADecPictureParameterBufferAV1));
145 pic_param = (VADecPictureParameterBufferAV1) {
146 .profile = seq->seq_profile,
147 .order_hint_bits_minus_1 = seq->order_hint_bits_minus_1,
148 .bit_depth_idx = bit_depth_idx,
149 .matrix_coefficients = seq->color_config.matrix_coefficients,
150 .current_frame = pic->output_surface,
151 .current_display_picture = ff_vaapi_get_surface_id(s->cur_frame.f),
152 .frame_width_minus1 = frame_header->frame_width_minus_1,
153 .frame_height_minus1 = frame_header->frame_height_minus_1,
154 .primary_ref_frame = frame_header->primary_ref_frame,
155 .order_hint = frame_header->order_hint,
156 .tile_cols = frame_header->tile_cols,
157 .tile_rows = frame_header->tile_rows,
158 .context_update_tile_id = frame_header->context_update_tile_id,
159 .superres_scale_denominator = frame_header->use_superres ?
160 frame_header->coded_denom + AV1_SUPERRES_DENOM_MIN :
161 AV1_SUPERRES_NUM,
162 .interp_filter = frame_header->interpolation_filter,
163 .filter_level[0] = frame_header->loop_filter_level[0],
164 .filter_level[1] = frame_header->loop_filter_level[1],
165 .filter_level_u = frame_header->loop_filter_level[2],
166 .filter_level_v = frame_header->loop_filter_level[3],
167 .base_qindex = frame_header->base_q_idx,
168 .y_dc_delta_q = frame_header->delta_q_y_dc,
169 .u_dc_delta_q = frame_header->delta_q_u_dc,
170 .u_ac_delta_q = frame_header->delta_q_u_ac,
171 .v_dc_delta_q = frame_header->delta_q_v_dc,
172 .v_ac_delta_q = frame_header->delta_q_v_ac,
173 .cdef_damping_minus_3 = frame_header->cdef_damping_minus_3,
174 .cdef_bits = frame_header->cdef_bits,
175 .seq_info_fields.fields = {
176 .still_picture = seq->still_picture,
177 .use_128x128_superblock = seq->use_128x128_superblock,
178 .enable_filter_intra = seq->enable_filter_intra,
179 .enable_intra_edge_filter = seq->enable_intra_edge_filter,
180 .enable_interintra_compound = seq->enable_interintra_compound,
181 .enable_masked_compound = seq->enable_masked_compound,
182 .enable_dual_filter = seq->enable_dual_filter,
183 .enable_order_hint = seq->enable_order_hint,
184 .enable_jnt_comp = seq->enable_jnt_comp,
185 .enable_cdef = seq->enable_cdef,
186 .mono_chrome = seq->color_config.mono_chrome,
187 .color_range = seq->color_config.color_range,
188 .subsampling_x = seq->color_config.subsampling_x,
189 .subsampling_y = seq->color_config.subsampling_y,
190 .chroma_sample_position = seq->color_config.chroma_sample_position,
191 .film_grain_params_present = seq->film_grain_params_present &&
192 !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN),
193 },
194 .seg_info.segment_info_fields.bits = {
195 .enabled = frame_header->segmentation_enabled,
196 .update_map = frame_header->segmentation_update_map,
197 .temporal_update = frame_header->segmentation_temporal_update,
198 .update_data = frame_header->segmentation_update_data,
199 },
200 .film_grain_info = {
201 .film_grain_info_fields.bits = {
202 .apply_grain = apply_grain,
203 .chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma,
204 .grain_scaling_minus_8 = film_grain->grain_scaling_minus_8,
205 .ar_coeff_lag = film_grain->ar_coeff_lag,
206 .ar_coeff_shift_minus_6 = film_grain->ar_coeff_shift_minus_6,
207 .grain_scale_shift = film_grain->grain_scale_shift,
208 .overlap_flag = film_grain->overlap_flag,
209 .clip_to_restricted_range = film_grain->clip_to_restricted_range,
210 },
211 .grain_seed = film_grain->grain_seed,
212 .num_y_points = film_grain->num_y_points,
213 .num_cb_points = film_grain->num_cb_points,
214 .num_cr_points = film_grain->num_cr_points,
215 .cb_mult = film_grain->cb_mult,
216 .cb_luma_mult = film_grain->cb_luma_mult,
217 .cb_offset = film_grain->cb_offset,
218 .cr_mult = film_grain->cr_mult,
219 .cr_luma_mult = film_grain->cr_luma_mult,
220 .cr_offset = film_grain->cr_offset,
221 },
222 .pic_info_fields.bits = {
223 .frame_type = frame_header->frame_type,
224 .show_frame = frame_header->show_frame,
225 .showable_frame = frame_header->showable_frame,
226 .error_resilient_mode = frame_header->error_resilient_mode,
227 .disable_cdf_update = frame_header->disable_cdf_update,
228 .allow_screen_content_tools = frame_header->allow_screen_content_tools,
229 .force_integer_mv = s->cur_frame.force_integer_mv,
230 .allow_intrabc = frame_header->allow_intrabc,
231 .use_superres = frame_header->use_superres,
232 .allow_high_precision_mv = frame_header->allow_high_precision_mv,
233 .is_motion_mode_switchable = frame_header->is_motion_mode_switchable,
234 .use_ref_frame_mvs = frame_header->use_ref_frame_mvs,
235 .disable_frame_end_update_cdf = frame_header->disable_frame_end_update_cdf,
236 .uniform_tile_spacing_flag = frame_header->uniform_tile_spacing_flag,
237 .allow_warped_motion = frame_header->allow_warped_motion,
238 },
239 .loop_filter_info_fields.bits = {
240 .sharpness_level = frame_header->loop_filter_sharpness,
241 .mode_ref_delta_enabled = frame_header->loop_filter_delta_enabled,
242 .mode_ref_delta_update = frame_header->loop_filter_delta_update,
243 },
244 .mode_control_fields.bits = {
245 .delta_q_present_flag = frame_header->delta_q_present,
246 .log2_delta_q_res = frame_header->delta_q_res,
247 .delta_lf_present_flag = frame_header->delta_lf_present,
248 .log2_delta_lf_res = frame_header->delta_lf_res,
249 .delta_lf_multi = frame_header->delta_lf_multi,
250 .tx_mode = frame_header->tx_mode,
251 .reference_select = frame_header->reference_select,
252 .reduced_tx_set_used = frame_header->reduced_tx_set,
253 .skip_mode_present = frame_header->skip_mode_present,
254 },
255 .loop_restoration_fields.bits = {
256 .yframe_restoration_type = remap_lr_type[frame_header->lr_type[0]],
257 .cbframe_restoration_type = remap_lr_type[frame_header->lr_type[1]],
258 .crframe_restoration_type = remap_lr_type[frame_header->lr_type[2]],
259 .lr_unit_shift = frame_header->lr_unit_shift,
260 .lr_uv_shift = frame_header->lr_uv_shift,
261 },
262 .qmatrix_fields.bits = {
263 .using_qmatrix = frame_header->using_qmatrix,
264 .qm_y = frame_header->qm_y,
265 .qm_u = frame_header->qm_u,
266 .qm_v = frame_header->qm_v,
267 }
268 };
269
270 for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
271 if (pic_param.pic_info_fields.bits.frame_type == AV1_FRAME_KEY && frame_header->show_frame)
272 pic_param.ref_frame_map[i] = VA_INVALID_ID;
273 else
274 pic_param.ref_frame_map[i] = ctx->ref_tab[i].valid ?
275 ff_vaapi_get_surface_id(ctx->ref_tab[i].frame) :
276 vaapi_av1_surface_id(&s->ref[i]);
277 }
278 for (int i = 0; i < AV1_REFS_PER_FRAME; i++) {
279 pic_param.ref_frame_idx[i] = frame_header->ref_frame_idx[i];
280 }
281 for (int i = 0; i < AV1_TOTAL_REFS_PER_FRAME; i++) {
282 pic_param.ref_deltas[i] = frame_header->loop_filter_ref_deltas[i];
283 }
284 for (int i = 0; i < 2; i++) {
285 pic_param.mode_deltas[i] = frame_header->loop_filter_mode_deltas[i];
286 }
287 for (int i = 0; i < (1 << frame_header->cdef_bits); i++) {
288 pic_param.cdef_y_strengths[i] =
289 (frame_header->cdef_y_pri_strength[i] << 2) +
290 frame_header->cdef_y_sec_strength[i];
291 pic_param.cdef_uv_strengths[i] =
292 (frame_header->cdef_uv_pri_strength[i] << 2) +
293 frame_header->cdef_uv_sec_strength[i];
294 }
295 for (int i = 0; i < frame_header->tile_cols; i++) {
296 pic_param.width_in_sbs_minus_1[i] =
297 frame_header->width_in_sbs_minus_1[i];
298 }
299 for (int i = 0; i < frame_header->tile_rows; i++) {
300 pic_param.height_in_sbs_minus_1[i] =
301 frame_header->height_in_sbs_minus_1[i];
302 }
303 for (int i = AV1_REF_FRAME_LAST; i <= AV1_REF_FRAME_ALTREF; i++) {
304 pic_param.wm[i - 1].invalid = s->cur_frame.gm_invalid[i];
305 pic_param.wm[i - 1].wmtype = s->cur_frame.gm_type[i];
306 for (int j = 0; j < 6; j++)
307 pic_param.wm[i - 1].wmmat[j] = s->cur_frame.gm_params[i][j];
308 }
309 for (int i = 0; i < AV1_MAX_SEGMENTS; i++) {
310 for (int j = 0; j < AV1_SEG_LVL_MAX; j++) {
311 pic_param.seg_info.feature_mask[i] |= (frame_header->feature_enabled[i][j] << j);
312 if (segmentation_feature_signed[j])
313 pic_param.seg_info.feature_data[i][j] = av_clip(frame_header->feature_value[i][j],
314 -segmentation_feature_max[j], segmentation_feature_max[j]);
315 else
316 pic_param.seg_info.feature_data[i][j] = av_clip(frame_header->feature_value[i][j],
317 0, segmentation_feature_max[j]);
318 }
319 }
320 if (apply_grain) {
321 for (int i = 0; i < film_grain->num_y_points; i++) {
322 pic_param.film_grain_info.point_y_value[i] =
323 film_grain->point_y_value[i];
324 pic_param.film_grain_info.point_y_scaling[i] =
325 film_grain->point_y_scaling[i];
326 }
327 for (int i = 0; i < film_grain->num_cb_points; i++) {
328 pic_param.film_grain_info.point_cb_value[i] =
329 film_grain->point_cb_value[i];
330 pic_param.film_grain_info.point_cb_scaling[i] =
331 film_grain->point_cb_scaling[i];
332 }
333 for (int i = 0; i < film_grain->num_cr_points; i++) {
334 pic_param.film_grain_info.point_cr_value[i] =
335 film_grain->point_cr_value[i];
336 pic_param.film_grain_info.point_cr_scaling[i] =
337 film_grain->point_cr_scaling[i];
338 }
339 for (int i = 0; i < 24; i++) {
340 pic_param.film_grain_info.ar_coeffs_y[i] =
341 film_grain->ar_coeffs_y_plus_128[i] - 128;
342 }
343 for (int i = 0; i < 25; i++) {
344 pic_param.film_grain_info.ar_coeffs_cb[i] =
345 film_grain->ar_coeffs_cb_plus_128[i] - 128;
346 pic_param.film_grain_info.ar_coeffs_cr[i] =
347 film_grain->ar_coeffs_cr_plus_128[i] - 128;
348 }
349 }
350 err = ff_vaapi_decode_make_param_buffer(avctx, pic,
351 VAPictureParameterBufferType,
352 &pic_param, sizeof(pic_param));
353 if (err < 0)
354 goto fail;
355
356 return 0;
357
358 fail:
359 ff_vaapi_decode_cancel(avctx, pic);
360 return err;
361 }
362
363 static int vaapi_av1_end_frame(AVCodecContext *avctx)
364 {
365 const AV1DecContext *s = avctx->priv_data;
366 const AV1RawFrameHeader *header = s->raw_frame_header;
367 const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
368 VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
369 VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
370
371 int apply_grain = !(avctx->export_side_data & AV_CODEC_EXPORT_DATA_FILM_GRAIN) && film_grain->apply_grain;
372 int ret;
373 ret = ff_vaapi_decode_issue(avctx, pic);
374 if (ret < 0)
375 return ret;
376
377 for (int i = 0; i < AV1_NUM_REF_FRAMES; i++) {
378 if (header->refresh_frame_flags & (1 << i)) {
379 if (ctx->ref_tab[i].frame->buf[0])
380 av_frame_unref(ctx->ref_tab[i].frame);
381
382 if (apply_grain) {
383 ret = av_frame_ref(ctx->ref_tab[i].frame, ctx->tmp_frame);
384 if (ret < 0)
385 return ret;
386 ctx->ref_tab[i].valid = 1;
387 } else {
388 ctx->ref_tab[i].valid = 0;
389 }
390 }
391 }
392
393 return 0;
394 }
395
396 static int vaapi_av1_decode_slice(AVCodecContext *avctx,
397 const uint8_t *buffer,
398 uint32_t size)
399 {
400 const AV1DecContext *s = avctx->priv_data;
401 VAAPIDecodePicture *pic = s->cur_frame.hwaccel_picture_private;
402 VAAPIAV1DecContext *ctx = avctx->internal->hwaccel_priv_data;
403 int err, nb_params;
404
405 nb_params = s->tg_end - s->tg_start + 1;
406 if (ctx->nb_slice_params < nb_params) {
407 VASliceParameterBufferAV1 *tmp = av_realloc_array(ctx->slice_params,
408 nb_params,
409 sizeof(*ctx->slice_params));
410 if (!tmp) {
411 ctx->nb_slice_params = 0;
412 err = AVERROR(ENOMEM);
413 goto fail;
414 }
415 ctx->slice_params = tmp;
416 ctx->nb_slice_params = nb_params;
417 }
418
419 for (int i = s->tg_start; i <= s->tg_end; i++) {
420 ctx->slice_params[i - s->tg_start] = (VASliceParameterBufferAV1) {
421 .slice_data_size = s->tile_group_info[i].tile_size,
422 .slice_data_offset = s->tile_group_info[i].tile_offset,
423 .slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
424 .tile_row = s->tile_group_info[i].tile_row,
425 .tile_column = s->tile_group_info[i].tile_column,
426 .tg_start = s->tg_start,
427 .tg_end = s->tg_end,
428 };
429 }
430
431 err = ff_vaapi_decode_make_slice_buffer(avctx, pic, ctx->slice_params, nb_params,
432 sizeof(VASliceParameterBufferAV1),
433 buffer,
434 size);
435 if (err)
436 goto fail;
437
438 return 0;
439
440 fail:
441 ff_vaapi_decode_cancel(avctx, pic);
442 return err;
443 }
444
445 const FFHWAccel ff_av1_vaapi_hwaccel = {
446 .p.name = "av1_vaapi",
447 .p.type = AVMEDIA_TYPE_VIDEO,
448 .p.id = AV_CODEC_ID_AV1,
449 .p.pix_fmt = AV_PIX_FMT_VAAPI,
450 .start_frame = vaapi_av1_start_frame,
451 .end_frame = vaapi_av1_end_frame,
452 .decode_slice = vaapi_av1_decode_slice,
453 .frame_priv_data_size = sizeof(VAAPIDecodePicture),
454 .init = vaapi_av1_decode_init,
455 .uninit = vaapi_av1_decode_uninit,
456 .frame_params = ff_vaapi_common_frame_params,
457 .priv_data_size = sizeof(VAAPIAV1DecContext),
458 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
459 };
460