FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/vaapi_vp8.c
Date: 2025-11-18 01:02:47
Exec Total Coverage
Lines: 0 109 0.0%
Functions: 0 4 0.0%
Branches: 0 42 0.0%
Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include <va/va.h>
20 #include <va/va_dec_vp8.h>
21
22 #include "hwaccel_internal.h"
23 #include "vaapi_decode.h"
24 #include "vp8.h"
25
26 ✗ static VASurfaceID vaapi_vp8_surface_id(VP8Frame *vf)
27 {
28 ✗ if (vf)
29 ✗ return ff_vaapi_get_surface_id(vf->tf.f);
30 else
31 ✗ return VA_INVALID_SURFACE;
32 }
33
34 ✗ static int vaapi_vp8_start_frame(AVCodecContext *avctx,
35 av_unused const AVBufferRef *buffer_ref,
36 av_unused const uint8_t *buffer,
37 av_unused uint32_t size)
38 {
39 ✗ const VP8Context *s = avctx->priv_data;
40 ✗ VAAPIDecodePicture *pic = s->framep[VP8_FRAME_CURRENT]->hwaccel_picture_private;
41 VAPictureParameterBufferVP8 pp;
42 VAProbabilityDataBufferVP8 prob;
43 VAIQMatrixBufferVP8 quant;
44 int err, i, j, k;
45
46 ✗ pic->output_surface = vaapi_vp8_surface_id(s->framep[VP8_FRAME_CURRENT]);
47
48 ✗ pp = (VAPictureParameterBufferVP8) {
49 ✗ .frame_width = avctx->width,
50 ✗ .frame_height = avctx->height,
51
52 ✗ .last_ref_frame = vaapi_vp8_surface_id(s->framep[VP8_FRAME_PREVIOUS]),
53 ✗ .golden_ref_frame = vaapi_vp8_surface_id(s->framep[VP8_FRAME_GOLDEN]),
54 ✗ .alt_ref_frame = vaapi_vp8_surface_id(s->framep[VP8_FRAME_ALTREF]),
55 .out_of_loop_frame = VA_INVALID_SURFACE,
56
57 .pic_fields.bits = {
58 ✗ .key_frame = !s->keyframe,
59 ✗ .version = s->profile,
60
61 ✗ .segmentation_enabled = s->segmentation.enabled,
62 ✗ .update_mb_segmentation_map = s->segmentation.update_map,
63 ✗ .update_segment_feature_data = s->segmentation.update_feature_data,
64
65 ✗ .filter_type = s->filter.simple,
66 ✗ .sharpness_level = s->filter.sharpness,
67
68 ✗ .loop_filter_adj_enable = s->lf_delta.enabled,
69 ✗ .mode_ref_lf_delta_update = s->lf_delta.update,
70
71 ✗ .sign_bias_golden = s->sign_bias[VP8_FRAME_GOLDEN],
72 ✗ .sign_bias_alternate = s->sign_bias[VP8_FRAME_ALTREF],
73
74 ✗ .mb_no_coeff_skip = s->mbskip_enabled,
75 ✗ .loop_filter_disable = s->filter.level == 0,
76 },
77
78 ✗ .prob_skip_false = s->prob->mbskip,
79 ✗ .prob_intra = s->prob->intra,
80 ✗ .prob_last = s->prob->last,
81 ✗ .prob_gf = s->prob->golden,
82 };
83
84 ✗ for (i = 0; i < 3; i++)
85 ✗ pp.mb_segment_tree_probs[i] = s->prob->segmentid[i];
86
87 ✗ for (i = 0; i < 4; i++) {
88 ✗ if (s->segmentation.enabled) {
89 ✗ pp.loop_filter_level[i] = s->segmentation.filter_level[i];
90 ✗ if (!s->segmentation.absolute_vals)
91 ✗ pp.loop_filter_level[i] += s->filter.level;
92 } else {
93 ✗ pp.loop_filter_level[i] = s->filter.level;
94 }
95 ✗ pp.loop_filter_level[i] = av_clip_uintp2(pp.loop_filter_level[i], 6);
96 }
97
98 ✗ for (i = 0; i < 4; i++) {
99 ✗ pp.loop_filter_deltas_ref_frame[i] = s->lf_delta.ref[i];
100 ✗ pp.loop_filter_deltas_mode[i] = s->lf_delta.mode[i + 4];
101 }
102
103 ✗ if (s->keyframe) {
104 static const uint8_t keyframe_y_mode_probs[4] = {
105 145, 156, 163, 128
106 };
107 static const uint8_t keyframe_uv_mode_probs[3] = {
108 142, 114, 183
109 };
110 ✗ memcpy(pp.y_mode_probs, keyframe_y_mode_probs, 4);
111 ✗ memcpy(pp.uv_mode_probs, keyframe_uv_mode_probs, 3);
112 } else {
113 ✗ for (i = 0; i < 4; i++)
114 ✗ pp.y_mode_probs[i] = s->prob->pred16x16[i];
115 ✗ for (i = 0; i < 3; i++)
116 ✗ pp.uv_mode_probs[i] = s->prob->pred8x8c[i];
117 }
118 ✗ for (i = 0; i < 2; i++)
119 ✗ for (j = 0; j < 19; j++)
120 ✗ pp.mv_probs[i][j] = s->prob->mvc[i][j];
121
122 ✗ pp.bool_coder_ctx.range = s->coder_state_at_header_end.range;
123 ✗ pp.bool_coder_ctx.value = s->coder_state_at_header_end.value;
124 ✗ pp.bool_coder_ctx.count = s->coder_state_at_header_end.bit_count;
125
126 ✗ err = ff_vaapi_decode_make_param_buffer(avctx, pic,
127 VAPictureParameterBufferType,
128 &pp, sizeof(pp));
129 ✗ if (err < 0)
130 ✗ goto fail;
131
132 ✗ for (i = 0; i < 4; i++) {
133 ✗ for (j = 0; j < 8; j++) {
134 static const int coeff_bands_inverse[8] = {
135 0, 1, 2, 3, 5, 6, 4, 15
136 };
137 ✗ int coeff_pos = coeff_bands_inverse[j];
138
139 ✗ for (k = 0; k < 3; k++) {
140 ✗ memcpy(prob.dct_coeff_probs[i][j][k],
141 ✗ s->prob->token[i][coeff_pos][k], 11);
142 }
143 }
144 }
145
146 ✗ err = ff_vaapi_decode_make_param_buffer(avctx, pic,
147 VAProbabilityBufferType,
148 &prob, sizeof(prob));
149 ✗ if (err < 0)
150 ✗ goto fail;
151
152 ✗ for (i = 0; i < 4; i++) {
153 ✗ int base_qi = s->segmentation.base_quant[i];
154 ✗ if (!s->segmentation.absolute_vals)
155 ✗ base_qi += s->quant.yac_qi;
156
157 ✗ quant.quantization_index[i][0] = av_clip_uintp2(base_qi, 7);
158 ✗ quant.quantization_index[i][1] = av_clip_uintp2(base_qi + s->quant.ydc_delta, 7);
159 ✗ quant.quantization_index[i][2] = av_clip_uintp2(base_qi + s->quant.y2dc_delta, 7);
160 ✗ quant.quantization_index[i][3] = av_clip_uintp2(base_qi + s->quant.y2ac_delta, 7);
161 ✗ quant.quantization_index[i][4] = av_clip_uintp2(base_qi + s->quant.uvdc_delta, 7);
162 ✗ quant.quantization_index[i][5] = av_clip_uintp2(base_qi + s->quant.uvac_delta, 7);
163 }
164
165 ✗ err = ff_vaapi_decode_make_param_buffer(avctx, pic,
166 VAIQMatrixBufferType,
167 &quant, sizeof(quant));
168 ✗ if (err < 0)
169 ✗ goto fail;
170
171 ✗ return 0;
172
173 ✗ fail:
174 ✗ ff_vaapi_decode_cancel(avctx, pic);
175 ✗ return err;
176 }
177
178 ✗ static int vaapi_vp8_end_frame(AVCodecContext *avctx)
179 {
180 ✗ const VP8Context *s = avctx->priv_data;
181 ✗ VAAPIDecodePicture *pic = s->framep[VP8_FRAME_CURRENT]->hwaccel_picture_private;
182
183 ✗ return ff_vaapi_decode_issue(avctx, pic);
184 }
185
186 ✗ static int vaapi_vp8_decode_slice(AVCodecContext *avctx,
187 const uint8_t *buffer,
188 uint32_t size)
189 {
190 ✗ const VP8Context *s = avctx->priv_data;
191 ✗ VAAPIDecodePicture *pic = s->framep[VP8_FRAME_CURRENT]->hwaccel_picture_private;
192 VASliceParameterBufferVP8 sp;
193 int err, i;
194
195 ✗ unsigned int header_size = 3 + 7 * s->keyframe;
196 ✗ const uint8_t *data = buffer + header_size;
197 ✗ unsigned int data_size = size - header_size;
198
199 ✗ sp = (VASliceParameterBufferVP8) {
200 .slice_data_size = data_size,
201 .slice_data_offset = 0,
202 .slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
203
204 ✗ .macroblock_offset = (8 * (s->coder_state_at_header_end.input - data) -
205 ✗ s->coder_state_at_header_end.bit_count - 8),
206 ✗ .num_of_partitions = s->num_coeff_partitions + 1,
207 };
208
209 ✗ sp.partition_size[0] = s->header_partition_size - ((sp.macroblock_offset + 7) / 8);
210 ✗ for (i = 0; i < 8; i++)
211 ✗ sp.partition_size[i+1] = s->coeff_partition_size[i];
212
213 ✗ err = ff_vaapi_decode_make_slice_buffer(avctx, pic, &sp, 1, sizeof(sp), data, data_size);
214 ✗ if (err)
215 ✗ goto fail;
216
217 ✗ return 0;
218
219 ✗ fail:
220 ✗ ff_vaapi_decode_cancel(avctx, pic);
221 ✗ return err;
222 }
223
224 const FFHWAccel ff_vp8_vaapi_hwaccel = {
225 .p.name = "vp8_vaapi",
226 .p.type = AVMEDIA_TYPE_VIDEO,
227 .p.id = AV_CODEC_ID_VP8,
228 .p.pix_fmt = AV_PIX_FMT_VAAPI,
229 .start_frame = &vaapi_vp8_start_frame,
230 .end_frame = &vaapi_vp8_end_frame,
231 .decode_slice = &vaapi_vp8_decode_slice,
232 .frame_priv_data_size = sizeof(VAAPIDecodePicture),
233 .init = &ff_vaapi_decode_init,
234 .uninit = &ff_vaapi_decode_uninit,
235 .frame_params = &ff_vaapi_common_frame_params,
236 .priv_data_size = sizeof(VAAPIDecodeContext),
237 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
238 };
239