FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vdpau_vp9.c
Date: 2021-09-16 08:47:15
Exec Total Coverage
Lines: 0 133 0.0%
Branches: 0 45 0.0%

Line Branch Exec Source
1 /*
2 * VP9 HW decode acceleration through VDPAU
3 *
4 * Copyright (c) 2019 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 "vp9data.h"
28 #include "vp9dec.h"
29 #include "hwconfig.h"
30 #include "vdpau.h"
31 #include "vdpau_internal.h"
32
33 static int vdpau_vp9_start_frame(AVCodecContext *avctx,
34 const uint8_t *buffer, uint32_t size)
35 {
36 VP9Context *s = avctx->priv_data;
37 VP9SharedContext *h = &(s->s);
38 VP9Frame pic = h->frames[CUR_FRAME];
39 struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
40 int i;
41
42 VdpPictureInfoVP9 *info = &pic_ctx->info.vp9;
43 const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
44 if (!pixdesc) {
45 return AV_PIX_FMT_NONE;
46 }
47
48 info->width = avctx->width;
49 info->height = avctx->height;
50 /* fill LvPictureInfoVP9 struct */
51 info->lastReference = VDP_INVALID_HANDLE;
52 info->goldenReference = VDP_INVALID_HANDLE;
53 info->altReference = VDP_INVALID_HANDLE;
54
55 if (h->refs[h->h.refidx[0]].f && h->refs[h->h.refidx[0]].f->private_ref) {
56 info->lastReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[0]].f);
57 }
58 if (h->refs[h->h.refidx[1]].f && h->refs[h->h.refidx[1]].f->private_ref) {
59 info->goldenReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[1]].f);
60 }
61 if (h->refs[h->h.refidx[2]].f && h->refs[h->h.refidx[2]].f->private_ref) {
62 info->altReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[2]].f);
63 }
64
65 info->profile = h->h.profile;
66 info->frameContextIdx = h->h.framectxid;
67 info->keyFrame = h->h.keyframe;
68 info->showFrame = !h->h.invisible;
69 info->errorResilient = h->h.errorres;
70 info->frameParallelDecoding = h->h.parallelmode;
71
72 info->subSamplingX = pixdesc->log2_chroma_w;
73 info->subSamplingY = pixdesc->log2_chroma_h;
74
75 info->intraOnly = h->h.intraonly;
76 info->allowHighPrecisionMv = h->h.keyframe ? 0 : h->h.highprecisionmvs;
77 info->refreshEntropyProbs = h->h.refreshctx;
78
79 info->bitDepthMinus8Luma = pixdesc->comp[0].depth - 8;
80 info->bitDepthMinus8Chroma = pixdesc->comp[1].depth - 8;
81
82 info->loopFilterLevel = h->h.filter.level;
83 info->loopFilterSharpness = h->h.filter.sharpness;
84 info->modeRefLfEnabled = h->h.lf_delta.enabled;
85
86 info->log2TileColumns = h->h.tiling.log2_tile_cols;
87 info->log2TileRows = h->h.tiling.log2_tile_rows;
88
89 info->segmentEnabled = h->h.segmentation.enabled;
90 info->segmentMapUpdate = h->h.segmentation.update_map;
91 info->segmentMapTemporalUpdate = h->h.segmentation.temporal;
92 info->segmentFeatureMode = h->h.segmentation.absolute_vals;
93
94 info->qpYAc = h->h.yac_qi;
95 info->qpYDc = h->h.ydc_qdelta;
96 info->qpChDc = h->h.uvdc_qdelta;
97 info->qpChAc = h->h.uvac_qdelta;
98
99 info->resetFrameContext = h->h.resetctx;
100 info->mcompFilterType = h->h.filtermode ^ (h->h.filtermode <= 1);
101 info->uncompressedHeaderSize = h->h.uncompressed_header_size;
102 info->compressedHeaderSize = h->h.compressed_header_size;
103 info->refFrameSignBias[0] = 0;
104
105
106 for (i = 0; i < FF_ARRAY_ELEMS(info->mbModeLfDelta); i++)
107 info->mbModeLfDelta[i] = h->h.lf_delta.mode[i];
108
109 for (i = 0; i < FF_ARRAY_ELEMS(info->mbRefLfDelta); i++)
110 info->mbRefLfDelta[i] = h->h.lf_delta.ref[i];
111
112 for (i = 0; i < FF_ARRAY_ELEMS(info->mbSegmentTreeProbs); i++)
113 info->mbSegmentTreeProbs[i] = h->h.segmentation.prob[i];
114
115 for (i = 0; i < FF_ARRAY_ELEMS(info->activeRefIdx); i++) {
116 info->activeRefIdx[i] = h->h.refidx[i];
117 info->segmentPredProbs[i] = h->h.segmentation.pred_prob[i];
118 info->refFrameSignBias[i + 1] = h->h.signbias[i];
119 }
120
121 for (i = 0; i < FF_ARRAY_ELEMS(info->segmentFeatureEnable); i++) {
122 info->segmentFeatureEnable[i][0] = h->h.segmentation.feat[i].q_enabled;
123 info->segmentFeatureEnable[i][1] = h->h.segmentation.feat[i].lf_enabled;
124 info->segmentFeatureEnable[i][2] = h->h.segmentation.feat[i].ref_enabled;
125 info->segmentFeatureEnable[i][3] = h->h.segmentation.feat[i].skip_enabled;
126
127 info->segmentFeatureData[i][0] = h->h.segmentation.feat[i].q_val;
128 info->segmentFeatureData[i][1] = h->h.segmentation.feat[i].lf_val;
129 info->segmentFeatureData[i][2] = h->h.segmentation.feat[i].ref_val;
130 info->segmentFeatureData[i][3] = 0;
131 }
132
133 switch (avctx->colorspace) {
134 default:
135 case AVCOL_SPC_UNSPECIFIED:
136 info->colorSpace = 0;
137 break;
138 case AVCOL_SPC_BT470BG:
139 info->colorSpace = 1;
140 break;
141 case AVCOL_SPC_BT709:
142 info->colorSpace = 2;
143 break;
144 case AVCOL_SPC_SMPTE170M:
145 info->colorSpace = 3;
146 break;
147 case AVCOL_SPC_SMPTE240M:
148 info->colorSpace = 4;
149 break;
150 case AVCOL_SPC_BT2020_NCL:
151 info->colorSpace = 5;
152 break;
153 case AVCOL_SPC_RESERVED:
154 info->colorSpace = 6;
155 break;
156 case AVCOL_SPC_RGB:
157 info->colorSpace = 7;
158 break;
159 }
160
161 return ff_vdpau_common_start_frame(pic_ctx, buffer, size);
162
163 }
164
165 static const uint8_t start_code_prefix[3] = { 0x00, 0x00, 0x01 };
166
167 static int vdpau_vp9_decode_slice(AVCodecContext *avctx,
168 const uint8_t *buffer, uint32_t size)
169 {
170 VP9SharedContext *h = avctx->priv_data;
171 VP9Frame pic = h->frames[CUR_FRAME];
172 struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
173
174 int val;
175
176 val = ff_vdpau_add_buffer(pic_ctx, start_code_prefix, 3);
177 if (val)
178 return val;
179
180 val = ff_vdpau_add_buffer(pic_ctx, buffer, size);
181 if (val)
182 return val;
183
184 return 0;
185 }
186
187 static int vdpau_vp9_end_frame(AVCodecContext *avctx)
188 {
189 VP9SharedContext *h = avctx->priv_data;
190 VP9Frame pic = h->frames[CUR_FRAME];
191 struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
192
193 int val;
194
195 val = ff_vdpau_common_end_frame(avctx, pic.tf.f, pic_ctx);
196 if (val < 0)
197 return val;
198
199 return 0;
200 }
201
202 static int vdpau_vp9_init(AVCodecContext *avctx)
203 {
204 VdpDecoderProfile profile;
205 uint32_t level = avctx->level;
206
207 switch (avctx->profile) {
208 case FF_PROFILE_VP9_0:
209 profile = VDP_DECODER_PROFILE_VP9_PROFILE_0;
210 break;
211 case FF_PROFILE_VP9_1:
212 profile = VDP_DECODER_PROFILE_VP9_PROFILE_1;
213 break;
214 case FF_PROFILE_VP9_2:
215 profile = VDP_DECODER_PROFILE_VP9_PROFILE_2;
216 break;
217 case FF_PROFILE_VP9_3:
218 profile = VDP_DECODER_PROFILE_VP9_PROFILE_3;
219 break;
220 default:
221 return AVERROR(ENOTSUP);
222 }
223
224 return ff_vdpau_common_init(avctx, profile, level);
225 }
226
227 const AVHWAccel ff_vp9_vdpau_hwaccel = {
228 .name = "vp9_vdpau",
229 .type = AVMEDIA_TYPE_VIDEO,
230 .id = AV_CODEC_ID_VP9,
231 .pix_fmt = AV_PIX_FMT_VDPAU,
232 .start_frame = vdpau_vp9_start_frame,
233 .end_frame = vdpau_vp9_end_frame,
234 .decode_slice = vdpau_vp9_decode_slice,
235 .frame_priv_data_size = sizeof(struct vdpau_picture_context),
236 .init = vdpau_vp9_init,
237 .uninit = ff_vdpau_common_uninit,
238 .frame_params = ff_vdpau_common_frame_params,
239 .priv_data_size = sizeof(VDPAUContext),
240 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
241 };
242