FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vdpau_av1.c
Date: 2024-07-26 21:54:09
Exec Total Coverage
Lines: 0 211 0.0%
Functions: 0 5 0.0%
Branches: 0 70 0.0%

Line Branch Exec Source
1 /*
2 * AV1 HW decode acceleration through VDPAU
3 *
4 * Copyright (c) 2022 Manoj Gupta Bonda
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 Foundation,
20 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include <vdpau/vdpau.h>
24 #include "libavutil/pixdesc.h"
25 #include "avcodec.h"
26 #include "internal.h"
27 #include "av1dec.h"
28 #include "hwaccel_internal.h"
29 #include "vdpau.h"
30 #include "vdpau_internal.h"
31
32 static int get_bit_depth_from_seq(const AV1RawSequenceHeader *seq)
33 {
34 if (seq->seq_profile == 2 && seq->color_config.high_bitdepth) {
35 return seq->color_config.twelve_bit ? 12 : 10;
36 } else if (seq->seq_profile <= 2 && seq->color_config.high_bitdepth) {
37 return 10;
38 } else {
39 return 8;
40 }
41 }
42
43 static int vdpau_av1_start_frame(AVCodecContext *avctx,
44 const uint8_t *buffer, uint32_t size)
45 {
46 AV1DecContext *s = avctx->priv_data;
47 const AV1RawSequenceHeader *seq = s->raw_seq;
48 const AV1RawFrameHeader *frame_header = s->raw_frame_header;
49 const AV1RawFilmGrainParams *film_grain = &s->cur_frame.film_grain;
50
51 struct vdpau_picture_context *pic_ctx = s->cur_frame.hwaccel_picture_private;
52 int i,j;
53
54 unsigned char remap_lr_type[4] = { AV1_RESTORE_NONE, AV1_RESTORE_SWITCHABLE, AV1_RESTORE_WIENER, AV1_RESTORE_SGRPROJ };
55
56
57 VdpPictureInfoAV1 *info = &pic_ctx->info.av1;
58 const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
59 if (!pixdesc) {
60 return AV_PIX_FMT_NONE;
61 }
62
63 info->width = avctx->width;
64 info->height = avctx->height;
65
66
67 info->frame_offset = frame_header->order_hint;
68
69 /* Sequence Header */
70 info->profile = seq->seq_profile;
71 info->use_128x128_superblock = seq->use_128x128_superblock;
72 info->subsampling_x = seq->color_config.subsampling_x;
73 info->subsampling_y = seq->color_config.subsampling_y;
74 info->mono_chrome = seq->color_config.mono_chrome;
75 info->bit_depth_minus8 = get_bit_depth_from_seq(seq) - 8;
76 info->enable_filter_intra = seq->enable_filter_intra;
77 info->enable_intra_edge_filter = seq->enable_intra_edge_filter;
78 info->enable_interintra_compound = seq->enable_interintra_compound;
79 info->enable_masked_compound = seq->enable_masked_compound;
80 info->enable_dual_filter = seq->enable_dual_filter;
81 info->enable_order_hint = seq->enable_order_hint;
82 info->order_hint_bits_minus1 = seq->order_hint_bits_minus_1;
83 info->enable_jnt_comp = seq->enable_jnt_comp;
84 info->enable_superres = seq->enable_superres;
85 info->enable_cdef = seq->enable_cdef;
86 info->enable_restoration = seq->enable_restoration;
87 info->enable_fgs = seq->film_grain_params_present;
88
89 /* Frame Header */
90 info->frame_type = frame_header->frame_type;
91 info->show_frame = frame_header->show_frame;
92 info->disable_cdf_update = frame_header->disable_cdf_update;
93 info->allow_screen_content_tools = frame_header->allow_screen_content_tools;
94 info->force_integer_mv = s->cur_frame.force_integer_mv;
95 info->coded_denom = frame_header->coded_denom;
96 info->allow_intrabc = frame_header->allow_intrabc;
97 info->allow_high_precision_mv = frame_header->allow_high_precision_mv;
98 info->interp_filter = frame_header->interpolation_filter;
99 info->switchable_motion_mode = frame_header->is_motion_mode_switchable;
100 info->use_ref_frame_mvs = frame_header->use_ref_frame_mvs;
101 info->disable_frame_end_update_cdf = frame_header->disable_frame_end_update_cdf;
102 info->delta_q_present = frame_header->delta_q_present;
103 info->delta_q_res = frame_header->delta_q_res;
104 info->using_qmatrix = frame_header->using_qmatrix;
105 info->coded_lossless = s->cur_frame.coded_lossless;
106 info->use_superres = frame_header->use_superres;
107 info->tx_mode = frame_header->tx_mode;
108 info->reference_mode = frame_header->reference_select;
109 info->allow_warped_motion = frame_header->allow_warped_motion;
110 info->reduced_tx_set = frame_header->reduced_tx_set;
111 info->skip_mode = frame_header->skip_mode_present;
112
113 /* Tiling Info */
114 info->num_tile_cols = frame_header->tile_cols;
115 info->num_tile_rows = frame_header->tile_rows;
116 info->context_update_tile_id = frame_header->context_update_tile_id;
117
118 /* CDEF */
119 info->cdef_damping_minus_3 = frame_header->cdef_damping_minus_3;
120 info->cdef_bits = frame_header->cdef_bits;
121
122 /* SkipModeFrames */
123 info->SkipModeFrame0 = frame_header->skip_mode_present ?
124 s->cur_frame.skip_mode_frame_idx[0] : 0;
125 info->SkipModeFrame1 = frame_header->skip_mode_present ?
126 s->cur_frame.skip_mode_frame_idx[1] : 0;
127
128 /* QP Information */
129 info->base_qindex = frame_header->base_q_idx;
130 info->qp_y_dc_delta_q = frame_header->delta_q_y_dc;
131 info->qp_u_dc_delta_q = frame_header->delta_q_u_dc;
132 info->qp_v_dc_delta_q = frame_header->delta_q_v_dc;
133 info->qp_u_ac_delta_q = frame_header->delta_q_u_ac;
134 info->qp_v_ac_delta_q = frame_header->delta_q_v_ac;
135 info->qm_y = frame_header->qm_y;
136 info->qm_u = frame_header->qm_u;
137 info->qm_v = frame_header->qm_v;
138
139 /* Segmentation */
140 info->segmentation_enabled = frame_header->segmentation_enabled;
141 info->segmentation_update_map = frame_header->segmentation_update_map;
142 info->segmentation_update_data = frame_header->segmentation_update_data;
143 info->segmentation_temporal_update = frame_header->segmentation_temporal_update;
144
145 /* Loopfilter */
146 info->loop_filter_level[0] = frame_header->loop_filter_level[0];
147 info->loop_filter_level[1] = frame_header->loop_filter_level[1];
148 info->loop_filter_level_u = frame_header->loop_filter_level[2];
149 info->loop_filter_level_v = frame_header->loop_filter_level[3];
150 info->loop_filter_sharpness = frame_header->loop_filter_sharpness;
151 info->loop_filter_delta_enabled = frame_header->loop_filter_delta_enabled;
152 info->loop_filter_delta_update = frame_header->loop_filter_delta_update;
153 info->loop_filter_mode_deltas[0] = frame_header->loop_filter_mode_deltas[0];
154 info->loop_filter_mode_deltas[1] = frame_header->loop_filter_mode_deltas[1];
155 info->delta_lf_present = frame_header->delta_lf_present;
156 info->delta_lf_res = frame_header->delta_lf_res;
157 info->delta_lf_multi = frame_header->delta_lf_multi;
158
159 /* Restoration */
160 info->lr_type[0] = remap_lr_type[frame_header->lr_type[0]];
161 info->lr_type[1] = remap_lr_type[frame_header->lr_type[1]];
162 info->lr_type[2] = remap_lr_type[frame_header->lr_type[2]];
163 info->lr_unit_size[0] = 1 + frame_header->lr_unit_shift;
164 info->lr_unit_size[1] = 1 + frame_header->lr_unit_shift - frame_header->lr_uv_shift;
165 info->lr_unit_size[2] = 1 + frame_header->lr_unit_shift - frame_header->lr_uv_shift;
166
167 /* Reference Frames */
168 info->temporal_layer_id = s->cur_frame.temporal_id;
169 info->spatial_layer_id = s->cur_frame.spatial_id;
170
171 /* Film Grain Params */
172 info->apply_grain = film_grain->apply_grain;
173 info->overlap_flag = film_grain->overlap_flag;
174 info->scaling_shift_minus8 = film_grain->grain_scaling_minus_8;
175 info->chroma_scaling_from_luma = film_grain->chroma_scaling_from_luma;
176 info->ar_coeff_lag = film_grain->ar_coeff_lag;
177 info->ar_coeff_shift_minus6 = film_grain->ar_coeff_shift_minus_6;
178 info->grain_scale_shift = film_grain->grain_scale_shift;
179 info->clip_to_restricted_range = film_grain->clip_to_restricted_range;
180 info->num_y_points = film_grain->num_y_points;
181 info->num_cb_points = film_grain->num_cb_points;
182 info->num_cr_points = film_grain->num_cr_points;
183 info->random_seed = film_grain->grain_seed;
184 info->cb_mult = film_grain->cb_mult;
185 info->cb_luma_mult = film_grain->cb_luma_mult;
186 info->cb_offset = film_grain->cb_offset;
187 info->cr_mult = film_grain->cr_mult;
188 info->cr_luma_mult = film_grain->cr_luma_mult;
189 info->cr_offset = film_grain->cr_offset;
190
191 /* Tiling Info */
192 for (i = 0; i < frame_header->tile_cols; ++i) {
193 info->tile_widths[i] = frame_header->width_in_sbs_minus_1[i] + 1;
194 }
195 for (i = 0; i < frame_header->tile_rows; ++i) {
196 info->tile_heights[i] = frame_header->height_in_sbs_minus_1[i] + 1;
197 }
198
199 /* CDEF */
200 for (i = 0; i < (1 << frame_header->cdef_bits); ++i) {
201 info->cdef_y_strength[i] = (frame_header->cdef_y_pri_strength[i] & 0x0F) | (frame_header->cdef_y_sec_strength[i] << 4);
202 info->cdef_uv_strength[i] = (frame_header->cdef_uv_pri_strength[i] & 0x0F) | (frame_header->cdef_uv_sec_strength[i] << 4);
203 }
204
205
206 /* Segmentation */
207 for (i = 0; i < AV1_MAX_SEGMENTS; ++i) {
208 info->segmentation_feature_mask[i] = 0;
209 for (j = 0; j < AV1_SEG_LVL_MAX; ++j) {
210 info->segmentation_feature_mask[i] |= frame_header->feature_enabled[i][j] << j;
211 info->segmentation_feature_data[i][j] = frame_header->feature_value[i][j];
212 }
213 }
214
215 for (i = 0; i < AV1_NUM_REF_FRAMES; ++i) {
216 /* Loopfilter */
217 info->loop_filter_ref_deltas[i] = frame_header->loop_filter_ref_deltas[i];
218
219 /* Reference Frames */
220 info->ref_frame_map[i] = s->ref[i].f && ff_vdpau_get_surface_id(s->ref[i].f) ?
221 ff_vdpau_get_surface_id(s->ref[i].f) : VDP_INVALID_HANDLE;
222 }
223
224 if (frame_header->primary_ref_frame == AV1_PRIMARY_REF_NONE) {
225 info->primary_ref_frame = -1;
226 } else {
227 int8_t pri_ref_idx = frame_header->ref_frame_idx[frame_header->primary_ref_frame];
228 info->primary_ref_frame = info->ref_frame_map[pri_ref_idx];
229 }
230
231 for (i = 0; i < AV1_REFS_PER_FRAME; ++i) {
232 /* Ref Frame List */
233 int8_t ref_idx = frame_header->ref_frame_idx[i];
234 AVFrame *ref_frame = s->ref[ref_idx].f;
235
236 info->ref_frame[i].index = info->ref_frame_map[ref_idx];
237 info->ref_frame[i].width = ref_frame ? ref_frame->width : 0;
238 info->ref_frame[i].height = ref_frame ? ref_frame->height : 0;
239
240 /* Global Motion */
241 info->global_motion[i].invalid = !frame_header->is_global[AV1_REF_FRAME_LAST + i];
242 info->global_motion[i].wmtype = s->cur_frame.gm_type[AV1_REF_FRAME_LAST + i];
243 for (j = 0; j < 6; ++j) {
244 info->global_motion[i].wmmat[j] = s->cur_frame.gm_params[AV1_REF_FRAME_LAST + i][j];
245 }
246 }
247
248 /* Film Grain Params */
249 if (film_grain->apply_grain) {
250 for (i = 0; i < 14; ++i) {
251 info->scaling_points_y[i][0] = film_grain->point_y_value[i];
252 info->scaling_points_y[i][1] = film_grain->point_y_scaling[i];
253 }
254 for (i = 0; i < 10; ++i) {
255 info->scaling_points_cb[i][0] = film_grain->point_cb_value[i];
256 info->scaling_points_cb[i][1] = film_grain->point_cb_scaling[i];
257 info->scaling_points_cr[i][0] = film_grain->point_cr_value[i];
258 info->scaling_points_cr[i][1] = film_grain->point_cr_scaling[i];
259 }
260 for (i = 0; i < 24; ++i) {
261 info->ar_coeffs_y[i] = (short)film_grain->ar_coeffs_y_plus_128[i] - 128;
262 }
263 for (i = 0; i < 25; ++i) {
264 info->ar_coeffs_cb[i] = (short)film_grain->ar_coeffs_cb_plus_128[i] - 128;
265 info->ar_coeffs_cr[i] = (short)film_grain->ar_coeffs_cr_plus_128[i] - 128;
266 }
267 }
268
269
270 return ff_vdpau_common_start_frame(pic_ctx, buffer, size);
271
272 }
273
274 static int vdpau_av1_decode_slice(AVCodecContext *avctx,
275 const uint8_t *buffer, uint32_t size)
276 {
277 const AV1DecContext *s = avctx->priv_data;
278 const AV1RawFrameHeader *frame_header = s->raw_frame_header;
279 struct vdpau_picture_context *pic_ctx = s->cur_frame.hwaccel_picture_private;
280 VdpPictureInfoAV1 *info = &pic_ctx->info.av1;
281 int val;
282 int nb_slices;
283 VdpBitstreamBuffer *buffers = pic_ctx->bitstream_buffers;
284 int bitstream_len = 0;
285
286 nb_slices = frame_header->tile_cols * frame_header->tile_rows;
287 /* Shortcut if all tiles are in the same buffer*/
288 if (nb_slices == s->tg_end - s->tg_start + 1) {
289 for (int i = 0; i < nb_slices; ++i) {
290 info->tile_info[i*2 ] = s->tile_group_info[i].tile_offset;
291 info->tile_info[i*2 + 1] = info->tile_info[i*2] + s->tile_group_info[i].tile_size;
292 }
293 val = ff_vdpau_add_buffer(pic_ctx, buffer, size);
294 if (val) {
295 return val;
296 }
297
298 return 0;
299 }
300
301 for(int i = 0; i < pic_ctx->bitstream_buffers_used; i++) {
302 bitstream_len += buffers->bitstream_bytes;
303 buffers++;
304 }
305
306 for (uint32_t tile_num = s->tg_start; tile_num <= s->tg_end; ++tile_num) {
307 info->tile_info[tile_num*2 ] = bitstream_len + s->tile_group_info[tile_num].tile_offset;
308 info->tile_info[tile_num*2 + 1] = info->tile_info[tile_num*2] + s->tile_group_info[tile_num].tile_size;
309 }
310
311 val = ff_vdpau_add_buffer(pic_ctx, buffer, size);
312 if (val) {
313 return val;
314 }
315
316 return 0;
317 }
318
319 static int vdpau_av1_end_frame(AVCodecContext *avctx)
320 {
321 const AV1DecContext *s = avctx->priv_data;
322 struct vdpau_picture_context *pic_ctx = s->cur_frame.hwaccel_picture_private;
323
324 int val;
325
326 val = ff_vdpau_common_end_frame(avctx, s->cur_frame.f, pic_ctx);
327 if (val < 0)
328 return val;
329
330 return 0;
331 }
332
333 static int vdpau_av1_init(AVCodecContext *avctx)
334 {
335 VdpDecoderProfile profile;
336 uint32_t level = avctx->level;
337
338 switch (avctx->profile) {
339 case AV_PROFILE_AV1_MAIN:
340 profile = VDP_DECODER_PROFILE_AV1_MAIN;
341 break;
342 case AV_PROFILE_AV1_HIGH:
343 profile = VDP_DECODER_PROFILE_AV1_HIGH;
344 break;
345 case AV_PROFILE_AV1_PROFESSIONAL:
346 profile = VDP_DECODER_PROFILE_AV1_PROFESSIONAL;
347 break;
348 default:
349 return AVERROR(ENOTSUP);
350 }
351
352 return ff_vdpau_common_init(avctx, profile, level);
353 }
354
355 const FFHWAccel ff_av1_vdpau_hwaccel = {
356 .p.name = "av1_vdpau",
357 .p.type = AVMEDIA_TYPE_VIDEO,
358 .p.id = AV_CODEC_ID_AV1,
359 .p.pix_fmt = AV_PIX_FMT_VDPAU,
360 .start_frame = vdpau_av1_start_frame,
361 .end_frame = vdpau_av1_end_frame,
362 .decode_slice = vdpau_av1_decode_slice,
363 .frame_priv_data_size = sizeof(struct vdpau_picture_context),
364 .init = vdpau_av1_init,
365 .uninit = ff_vdpau_common_uninit,
366 .frame_params = ff_vdpau_common_frame_params,
367 .priv_data_size = sizeof(VDPAUContext),
368 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
369 };
370