1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/*
* VP9 HW decode acceleration through VA API
*
* Copyright (C) 2015 Timo Rothenpieler <timo@rothenpieler.org>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/pixdesc.h"
#include "hwaccel.h"
#include "vaapi_decode.h"
#include "vp9shared.h"
static VASurfaceID vaapi_vp9_surface_id(const VP9Frame *vf)
{
if (vf)
return ff_vaapi_get_surface_id(vf->tf.f);
else
return VA_INVALID_SURFACE;
}
static int vaapi_vp9_start_frame(AVCodecContext *avctx,
av_unused const uint8_t *buffer,
av_unused uint32_t size)
{
const VP9SharedContext *h = avctx->priv_data;
VAAPIDecodePicture *pic = h->frames[CUR_FRAME].hwaccel_picture_private;
VADecPictureParameterBufferVP9 pic_param;
const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
int err, i;
pic->output_surface = vaapi_vp9_surface_id(&h->frames[CUR_FRAME]);
pic_param = (VADecPictureParameterBufferVP9) {
.frame_width = avctx->width,
.frame_height = avctx->height,
.pic_fields.bits = {
.subsampling_x = pixdesc->log2_chroma_w,
.subsampling_y = pixdesc->log2_chroma_h,
.frame_type = !h->h.keyframe,
.show_frame = !h->h.invisible,
.error_resilient_mode = h->h.errorres,
.intra_only = h->h.intraonly,
.allow_high_precision_mv = h->h.keyframe ? 0 : h->h.highprecisionmvs,
.mcomp_filter_type = h->h.filtermode ^ (h->h.filtermode <= 1),
.frame_parallel_decoding_mode = h->h.parallelmode,
.reset_frame_context = h->h.resetctx,
.refresh_frame_context = h->h.refreshctx,
.frame_context_idx = h->h.framectxid,
.segmentation_enabled = h->h.segmentation.enabled,
.segmentation_temporal_update = h->h.segmentation.temporal,
.segmentation_update_map = h->h.segmentation.update_map,
.last_ref_frame = h->h.refidx[0],
.last_ref_frame_sign_bias = h->h.signbias[0],
.golden_ref_frame = h->h.refidx[1],
.golden_ref_frame_sign_bias = h->h.signbias[1],
.alt_ref_frame = h->h.refidx[2],
.alt_ref_frame_sign_bias = h->h.signbias[2],
.lossless_flag = h->h.lossless,
},
.filter_level = h->h.filter.level,
.sharpness_level = h->h.filter.sharpness,
.log2_tile_rows = h->h.tiling.log2_tile_rows,
.log2_tile_columns = h->h.tiling.log2_tile_cols,
.frame_header_length_in_bytes = h->h.uncompressed_header_size,
.first_partition_size = h->h.compressed_header_size,
.profile = h->h.profile,
.bit_depth = h->h.bpp,
};
for (i = 0; i < 7; i++)
pic_param.mb_segment_tree_probs[i] = h->h.segmentation.prob[i];
if (h->h.segmentation.temporal) {
for (i = 0; i < 3; i++)
pic_param.segment_pred_probs[i] = h->h.segmentation.pred_prob[i];
} else {
memset(pic_param.segment_pred_probs, 255, sizeof(pic_param.segment_pred_probs));
}
for (i = 0; i < 8; i++) {
if (h->refs[i].f->buf[0])
pic_param.reference_frames[i] = ff_vaapi_get_surface_id(h->refs[i].f);
else
pic_param.reference_frames[i] = VA_INVALID_ID;
}
err = ff_vaapi_decode_make_param_buffer(avctx, pic,
VAPictureParameterBufferType,
&pic_param, sizeof(pic_param));
if (err < 0) {
ff_vaapi_decode_cancel(avctx, pic);
return err;
}
return 0;
}
static int vaapi_vp9_end_frame(AVCodecContext *avctx)
{
const VP9SharedContext *h = avctx->priv_data;
VAAPIDecodePicture *pic = h->frames[CUR_FRAME].hwaccel_picture_private;
return ff_vaapi_decode_issue(avctx, pic);
}
static int vaapi_vp9_decode_slice(AVCodecContext *avctx,
const uint8_t *buffer,
uint32_t size)
{
const VP9SharedContext *h = avctx->priv_data;
VAAPIDecodePicture *pic = h->frames[CUR_FRAME].hwaccel_picture_private;
VASliceParameterBufferVP9 slice_param;
int err, i;
slice_param = (VASliceParameterBufferVP9) {
.slice_data_size = size,
.slice_data_offset = 0,
.slice_data_flag = VA_SLICE_DATA_FLAG_ALL,
};
for (i = 0; i < 8; i++) {
slice_param.seg_param[i] = (VASegmentParameterVP9) {
.segment_flags.fields = {
.segment_reference_enabled = h->h.segmentation.feat[i].ref_enabled,
.segment_reference = h->h.segmentation.feat[i].ref_val,
.segment_reference_skipped = h->h.segmentation.feat[i].skip_enabled,
},
.luma_dc_quant_scale = h->h.segmentation.feat[i].qmul[0][0],
.luma_ac_quant_scale = h->h.segmentation.feat[i].qmul[0][1],
.chroma_dc_quant_scale = h->h.segmentation.feat[i].qmul[1][0],
.chroma_ac_quant_scale = h->h.segmentation.feat[i].qmul[1][1],
};
memcpy(slice_param.seg_param[i].filter_level, h->h.segmentation.feat[i].lflvl, sizeof(slice_param.seg_param[i].filter_level));
}
err = ff_vaapi_decode_make_slice_buffer(avctx, pic,
&slice_param, sizeof(slice_param),
buffer, size);
if (err) {
ff_vaapi_decode_cancel(avctx, pic);
return err;
}
return 0;
}
const AVHWAccel ff_vp9_vaapi_hwaccel = {
.name = "vp9_vaapi",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_VP9,
.pix_fmt = AV_PIX_FMT_VAAPI,
.start_frame = vaapi_vp9_start_frame,
.end_frame = vaapi_vp9_end_frame,
.decode_slice = vaapi_vp9_decode_slice,
.frame_priv_data_size = sizeof(VAAPIDecodePicture),
.init = ff_vaapi_decode_init,
.uninit = ff_vaapi_decode_uninit,
.frame_params = ff_vaapi_common_frame_params,
.priv_data_size = sizeof(VAAPIDecodeContext),
.caps_internal = HWACCEL_CAP_ASYNC_SAFE,
};
|
