build: Drop stray golomb dependencies
[libav.git] / libavcodec / vaapi_vp8.c
CommitLineData
a9fb1347
MT
1/*
2 * This file is part of Libav.
3 *
4 * Libav 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 * Libav 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 Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
75d642a9
MT
19#include <va/va.h>
20#include <va/va_dec_vp8.h>
21
a9fb1347
MT
22#include "vaapi_decode.h"
23#include "vp8.h"
24
25static VASurfaceID vaapi_vp8_surface_id(VP8Frame *vf)
26{
27 if (vf)
28 return ff_vaapi_get_surface_id(vf->tf.f);
29 else
30 return VA_INVALID_SURFACE;
31}
32
33static int vaapi_vp8_start_frame(AVCodecContext *avctx,
34 av_unused const uint8_t *buffer,
35 av_unused uint32_t size)
36{
37 const VP8Context *s = avctx->priv_data;
38 VAAPIDecodePicture *pic = s->framep[VP56_FRAME_CURRENT]->hwaccel_picture_private;
39 VAPictureParameterBufferVP8 pp;
40 VAProbabilityDataBufferVP8 prob;
41 VAIQMatrixBufferVP8 quant;
42 int err, i, j, k;
43
44 pic->output_surface = vaapi_vp8_surface_id(s->framep[VP56_FRAME_CURRENT]);
45
46 pp = (VAPictureParameterBufferVP8) {
47 .frame_width = avctx->width,
48 .frame_height = avctx->height,
49
50 .last_ref_frame = vaapi_vp8_surface_id(s->framep[VP56_FRAME_PREVIOUS]),
51 .golden_ref_frame = vaapi_vp8_surface_id(s->framep[VP56_FRAME_GOLDEN]),
52 .alt_ref_frame = vaapi_vp8_surface_id(s->framep[VP56_FRAME_GOLDEN2]),
53 .out_of_loop_frame = VA_INVALID_SURFACE,
54
55 .pic_fields.bits = {
56 .key_frame = !s->keyframe,
57 .version = s->profile,
58
59 .segmentation_enabled = s->segmentation.enabled,
60 .update_mb_segmentation_map = s->segmentation.update_map,
61 .update_segment_feature_data = s->segmentation.update_feature_data,
62
63 .filter_type = s->filter.simple,
64 .sharpness_level = s->filter.sharpness,
65
66 .loop_filter_adj_enable = s->lf_delta.enabled,
67 .mode_ref_lf_delta_update = s->lf_delta.update,
68
69 .sign_bias_golden = s->sign_bias[VP56_FRAME_GOLDEN],
70 .sign_bias_alternate = s->sign_bias[VP56_FRAME_GOLDEN2],
71
72 .mb_no_coeff_skip = s->mbskip_enabled,
73 .loop_filter_disable = s->filter.level == 0,
74 },
75
76 .prob_skip_false = s->prob->mbskip,
77 .prob_intra = s->prob->intra,
78 .prob_last = s->prob->last,
79 .prob_gf = s->prob->golden,
80 };
81
82 for (i = 0; i < 3; i++)
83 pp.mb_segment_tree_probs[i] = s->prob->segmentid[i];
84
85 for (i = 0; i < 4; i++) {
86 if (s->segmentation.enabled) {
87 pp.loop_filter_level[i] = s->segmentation.filter_level[i];
88 if (!s->segmentation.absolute_vals)
89 pp.loop_filter_level[i] += s->filter.level;
90 } else {
91 pp.loop_filter_level[i] = s->filter.level;
92 }
93 pp.loop_filter_level[i] = av_clip_uintp2(pp.loop_filter_level[i], 6);
94 }
95
96 for (i = 0; i < 4; i++) {
97 pp.loop_filter_deltas_ref_frame[i] = s->lf_delta.ref[i];
98 pp.loop_filter_deltas_mode[i] = s->lf_delta.mode[i + 4];
99 }
100
101 if (s->keyframe) {
102 static const uint8_t keyframe_y_mode_probs[4] = {
103 145, 156, 163, 128
104 };
105 static const uint8_t keyframe_uv_mode_probs[3] = {
106 142, 114, 183
107 };
108 memcpy(pp.y_mode_probs, keyframe_y_mode_probs, 4);
109 memcpy(pp.uv_mode_probs, keyframe_uv_mode_probs, 3);
110 } else {
111 for (i = 0; i < 4; i++)
112 pp.y_mode_probs[i] = s->prob->pred16x16[i];
113 for (i = 0; i < 3; i++)
114 pp.uv_mode_probs[i] = s->prob->pred8x8c[i];
115 }
116 for (i = 0; i < 2; i++)
117 for (j = 0; j < 19; j++)
118 pp.mv_probs[i][j] = s->prob->mvc[i][j];
119
120 pp.bool_coder_ctx.range = s->coder_state_at_header_end.range;
121 pp.bool_coder_ctx.value = s->coder_state_at_header_end.value;
122 pp.bool_coder_ctx.count = s->coder_state_at_header_end.bit_count;
123
124 err = ff_vaapi_decode_make_param_buffer(avctx, pic,
125 VAPictureParameterBufferType,
126 &pp, sizeof(pp));
127 if (err < 0)
128 goto fail;
129
130 for (i = 0; i < 4; i++) {
131 for (j = 0; j < 8; j++) {
132 static const int coeff_bands_inverse[8] = {
133 0, 1, 2, 3, 5, 6, 4, 15
134 };
135 int coeff_pos = coeff_bands_inverse[j];
136
137 for (k = 0; k < 3; k++) {
138 memcpy(prob.dct_coeff_probs[i][j][k],
139 s->prob->token[i][coeff_pos][k], 11);
140 }
141 }
142 }
143
144 err = ff_vaapi_decode_make_param_buffer(avctx, pic,
145 VAProbabilityBufferType,
146 &prob, sizeof(prob));
147 if (err < 0)
148 goto fail;
149
150 for (i = 0; i < 4; i++) {
151 int base_qi = s->segmentation.base_quant[i];
152 if (!s->segmentation.absolute_vals)
153 base_qi += s->quant.yac_qi;
154
155 quant.quantization_index[i][0] = av_clip_uintp2(base_qi, 7);
156 quant.quantization_index[i][1] = av_clip_uintp2(base_qi + s->quant.ydc_delta, 7);
157 quant.quantization_index[i][2] = av_clip_uintp2(base_qi + s->quant.y2dc_delta, 7);
158 quant.quantization_index[i][3] = av_clip_uintp2(base_qi + s->quant.y2ac_delta, 7);
159 quant.quantization_index[i][4] = av_clip_uintp2(base_qi + s->quant.uvdc_delta, 7);
160 quant.quantization_index[i][5] = av_clip_uintp2(base_qi + s->quant.uvac_delta, 7);
161 }
162
163 err = ff_vaapi_decode_make_param_buffer(avctx, pic,
164 VAIQMatrixBufferType,
165 &quant, sizeof(quant));
166 if (err < 0)
167 goto fail;
168
169 return 0;
170
171fail:
172 ff_vaapi_decode_cancel(avctx, pic);
173 return err;
174}
175
176static int vaapi_vp8_end_frame(AVCodecContext *avctx)
177{
178 const VP8Context *s = avctx->priv_data;
179 VAAPIDecodePicture *pic = s->framep[VP56_FRAME_CURRENT]->hwaccel_picture_private;
180
181 return ff_vaapi_decode_issue(avctx, pic);
182}
183
184static int vaapi_vp8_decode_slice(AVCodecContext *avctx,
185 const uint8_t *buffer,
186 uint32_t size)
187{
188 const VP8Context *s = avctx->priv_data;
189 VAAPIDecodePicture *pic = s->framep[VP56_FRAME_CURRENT]->hwaccel_picture_private;
190 VASliceParameterBufferVP8 sp;
191 int err, i;
192
193 unsigned int header_size = 3 + 7 * s->keyframe;
194 const uint8_t *data = buffer + header_size;
195 unsigned int data_size = size - header_size;
196
197 sp = (VASliceParameterBufferVP8) {
198 .slice_data_size = data_size,
199 .slice_data_offset = 0,
200 .slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
201
202 .macroblock_offset = (8 * (s->coder_state_at_header_end.input - data) -
203 s->coder_state_at_header_end.bit_count - 8),
204 .num_of_partitions = s->num_coeff_partitions + 1,
205 };
206
207 sp.partition_size[0] = s->header_partition_size - ((sp.macroblock_offset + 7) / 8);
208 for (i = 0; i < 8; i++)
209 sp.partition_size[i+1] = s->coeff_partition_size[i];
210
211 err = ff_vaapi_decode_make_slice_buffer(avctx, pic, &sp, sizeof(sp), data, data_size);
212 if (err)
213 goto fail;
214
215 return 0;
216
217fail:
218 ff_vaapi_decode_cancel(avctx, pic);
219 return err;
220}
221
222AVHWAccel ff_vp8_vaapi_hwaccel = {
223 .name = "vp8_vaapi",
224 .type = AVMEDIA_TYPE_VIDEO,
225 .id = AV_CODEC_ID_VP8,
226 .pix_fmt = AV_PIX_FMT_VAAPI,
227 .start_frame = &vaapi_vp8_start_frame,
228 .end_frame = &vaapi_vp8_end_frame,
229 .decode_slice = &vaapi_vp8_decode_slice,
230 .frame_priv_data_size = sizeof(VAAPIDecodePicture),
231 .init = &ff_vaapi_decode_init,
232 .uninit = &ff_vaapi_decode_uninit,
233 .priv_data_size = sizeof(VAAPIDecodeContext),
234};