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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
|
/*
* VP9 HW decode acceleration through VDPAU
*
* Copyright (c) 2019 Manoj Gupta Bonda
*
* 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 <vdpau/vdpau.h>
#include "libavutil/pixdesc.h"
#include "avcodec.h"
#include "internal.h"
#include "vp9data.h"
#include "vp9dec.h"
#include "hwaccel.h"
#include "vdpau.h"
#include "vdpau_internal.h"
static int vdpau_vp9_start_frame(AVCodecContext *avctx,
const uint8_t *buffer, uint32_t size)
{
VP9Context *s = avctx->priv_data;
VP9SharedContext *h = &(s->s);
const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
if (!pixdesc) {
return AV_PIX_FMT_NONE;
}
VP9Frame pic = h->frames[CUR_FRAME];
struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
int i;
VdpPictureInfoVP9 *info = &pic_ctx->info.vp9;
info->width = avctx->width;
info->height = avctx->height;
/* fill LvPictureInfoVP9 struct */
info->lastReference = VDP_INVALID_HANDLE;
info->goldenReference = VDP_INVALID_HANDLE;
info->altReference = VDP_INVALID_HANDLE;
if (h->refs[h->h.refidx[0]].f && h->refs[h->h.refidx[0]].f->private_ref) {
info->lastReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[0]].f);
}
if (h->refs[h->h.refidx[1]].f && h->refs[h->h.refidx[1]].f->private_ref) {
info->goldenReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[1]].f);
}
if (h->refs[h->h.refidx[2]].f && h->refs[h->h.refidx[2]].f->private_ref) {
info->altReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[2]].f);
}
info->profile = h->h.profile;
info->frameContextIdx = h->h.framectxid;
info->keyFrame = h->h.keyframe;
info->showFrame = !h->h.invisible;
info->errorResilient = h->h.errorres;
info->frameParallelDecoding = h->h.parallelmode;
info->subSamplingX = pixdesc->log2_chroma_w;
info->subSamplingY = pixdesc->log2_chroma_h;
info->intraOnly = h->h.intraonly;
info->allowHighPrecisionMv = h->h.keyframe ? 0 : h->h.highprecisionmvs;
info->refreshEntropyProbs = h->h.refreshctx;
info->bitDepthMinus8Luma = pixdesc->comp[0].depth - 8;
info->bitDepthMinus8Chroma = pixdesc->comp[1].depth - 8;
info->loopFilterLevel = h->h.filter.level;
info->loopFilterSharpness = h->h.filter.sharpness;
info->modeRefLfEnabled = h->h.lf_delta.enabled;
info->log2TileColumns = h->h.tiling.log2_tile_cols;
info->log2TileRows = h->h.tiling.log2_tile_rows;
info->segmentEnabled = h->h.segmentation.enabled;
info->segmentMapUpdate = h->h.segmentation.update_map;
info->segmentMapTemporalUpdate = h->h.segmentation.temporal;
info->segmentFeatureMode = h->h.segmentation.absolute_vals;
info->qpYAc = h->h.yac_qi;
info->qpYDc = h->h.ydc_qdelta;
info->qpChDc = h->h.uvdc_qdelta;
info->qpChAc = h->h.uvac_qdelta;
info->resetFrameContext = h->h.resetctx;
info->mcompFilterType = h->h.filtermode ^ (h->h.filtermode <= 1);
info->uncompressedHeaderSize = h->h.uncompressed_header_size;
info->compressedHeaderSize = h->h.compressed_header_size;
info->refFrameSignBias[0] = 0;
for (i = 0; i < FF_ARRAY_ELEMS(info->mbModeLfDelta); i++)
info->mbModeLfDelta[i] = h->h.lf_delta.mode[i];
for (i = 0; i < FF_ARRAY_ELEMS(info->mbRefLfDelta); i++)
info->mbRefLfDelta[i] = h->h.lf_delta.ref[i];
for (i = 0; i < FF_ARRAY_ELEMS(info->mbSegmentTreeProbs); i++)
info->mbSegmentTreeProbs[i] = h->h.segmentation.prob[i];
for (i = 0; i < FF_ARRAY_ELEMS(info->activeRefIdx); i++) {
info->activeRefIdx[i] = h->h.refidx[i];
info->segmentPredProbs[i] = h->h.segmentation.pred_prob[i];
info->refFrameSignBias[i + 1] = h->h.signbias[i];
}
for (i = 0; i < FF_ARRAY_ELEMS(info->segmentFeatureEnable); i++) {
info->segmentFeatureEnable[i][0] = h->h.segmentation.feat[i].q_enabled;
info->segmentFeatureEnable[i][1] = h->h.segmentation.feat[i].lf_enabled;
info->segmentFeatureEnable[i][2] = h->h.segmentation.feat[i].ref_enabled;
info->segmentFeatureEnable[i][3] = h->h.segmentation.feat[i].skip_enabled;
info->segmentFeatureData[i][0] = h->h.segmentation.feat[i].q_val;
info->segmentFeatureData[i][1] = h->h.segmentation.feat[i].lf_val;
info->segmentFeatureData[i][2] = h->h.segmentation.feat[i].ref_val;
info->segmentFeatureData[i][3] = 0;
}
switch (avctx->colorspace) {
default:
case AVCOL_SPC_UNSPECIFIED:
info->colorSpace = 0;
break;
case AVCOL_SPC_BT470BG:
info->colorSpace = 1;
break;
case AVCOL_SPC_BT709:
info->colorSpace = 2;
break;
case AVCOL_SPC_SMPTE170M:
info->colorSpace = 3;
break;
case AVCOL_SPC_SMPTE240M:
info->colorSpace = 4;
break;
case AVCOL_SPC_BT2020_NCL:
info->colorSpace = 5;
break;
case AVCOL_SPC_RESERVED:
info->colorSpace = 6;
break;
case AVCOL_SPC_RGB:
info->colorSpace = 7;
break;
}
return ff_vdpau_common_start_frame(pic_ctx, buffer, size);
}
static const uint8_t start_code_prefix[3] = { 0x00, 0x00, 0x01 };
static int vdpau_vp9_decode_slice(AVCodecContext *avctx,
const uint8_t *buffer, uint32_t size)
{
VP9SharedContext *h = avctx->priv_data;
VP9Frame pic = h->frames[CUR_FRAME];
struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
int val;
val = ff_vdpau_add_buffer(pic_ctx, start_code_prefix, 3);
if (val)
return val;
val = ff_vdpau_add_buffer(pic_ctx, buffer, size);
if (val)
return val;
return 0;
}
static int vdpau_vp9_end_frame(AVCodecContext *avctx)
{
VP9SharedContext *h = avctx->priv_data;
VP9Frame pic = h->frames[CUR_FRAME];
struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
int val;
val = ff_vdpau_common_end_frame(avctx, pic.tf.f, pic_ctx);
if (val < 0)
return val;
return 0;
}
static int vdpau_vp9_init(AVCodecContext *avctx)
{
VdpDecoderProfile profile;
uint32_t level = avctx->level;
switch (avctx->profile) {
case FF_PROFILE_VP9_0:
profile = VDP_DECODER_PROFILE_VP9_PROFILE_0;
break;
case FF_PROFILE_VP9_1:
profile = VDP_DECODER_PROFILE_VP9_PROFILE_1;
break;
case FF_PROFILE_VP9_2:
profile = VDP_DECODER_PROFILE_VP9_PROFILE_2;
break;
case FF_PROFILE_VP9_3:
profile = VDP_DECODER_PROFILE_VP9_PROFILE_3;
break;
default:
return AVERROR(ENOTSUP);
}
return ff_vdpau_common_init(avctx, profile, level);
}
const AVHWAccel ff_vp9_vdpau_hwaccel = {
.name = "vp9_vdpau",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_VP9,
.pix_fmt = AV_PIX_FMT_VDPAU,
.start_frame = vdpau_vp9_start_frame,
.end_frame = vdpau_vp9_end_frame,
.decode_slice = vdpau_vp9_decode_slice,
.frame_priv_data_size = sizeof(struct vdpau_picture_context),
.init = vdpau_vp9_init,
.uninit = ff_vdpau_common_uninit,
.frame_params = ff_vdpau_common_frame_params,
.priv_data_size = sizeof(VDPAUContext),
.caps_internal = HWACCEL_CAP_ASYNC_SAFE,
};
|
