FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vdpau_vp9.c
Date: 2024-04-19 07:31:02
Exec Total Coverage
Lines: 0 133 0.0%
Functions: 0 4 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 "hwaccel_internal.h"
27 #include "vp9dec.h"
28 #include "vdpau.h"
29 #include "vdpau_internal.h"
30
31 static int vdpau_vp9_start_frame(AVCodecContext *avctx,
32 const uint8_t *buffer, uint32_t size)
33 {
34 VP9Context *s = avctx->priv_data;
35 VP9SharedContext *h = &(s->s);
36 VP9Frame pic = h->frames[CUR_FRAME];
37 struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
38 int i;
39
40 VdpPictureInfoVP9 *info = &pic_ctx->info.vp9;
41 const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(avctx->sw_pix_fmt);
42 if (!pixdesc) {
43 return AV_PIX_FMT_NONE;
44 }
45
46 info->width = avctx->width;
47 info->height = avctx->height;
48 /* fill LvPictureInfoVP9 struct */
49 info->lastReference = VDP_INVALID_HANDLE;
50 info->goldenReference = VDP_INVALID_HANDLE;
51 info->altReference = VDP_INVALID_HANDLE;
52
53 if (h->refs[h->h.refidx[0]].f && h->refs[h->h.refidx[0]].f->private_ref) {
54 info->lastReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[0]].f);
55 }
56 if (h->refs[h->h.refidx[1]].f && h->refs[h->h.refidx[1]].f->private_ref) {
57 info->goldenReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[1]].f);
58 }
59 if (h->refs[h->h.refidx[2]].f && h->refs[h->h.refidx[2]].f->private_ref) {
60 info->altReference = ff_vdpau_get_surface_id(h->refs[h->h.refidx[2]].f);
61 }
62
63 info->profile = h->h.profile;
64 info->frameContextIdx = h->h.framectxid;
65 info->keyFrame = h->h.keyframe;
66 info->showFrame = !h->h.invisible;
67 info->errorResilient = h->h.errorres;
68 info->frameParallelDecoding = h->h.parallelmode;
69
70 info->subSamplingX = pixdesc->log2_chroma_w;
71 info->subSamplingY = pixdesc->log2_chroma_h;
72
73 info->intraOnly = h->h.intraonly;
74 info->allowHighPrecisionMv = h->h.keyframe ? 0 : h->h.highprecisionmvs;
75 info->refreshEntropyProbs = h->h.refreshctx;
76
77 info->bitDepthMinus8Luma = pixdesc->comp[0].depth - 8;
78 info->bitDepthMinus8Chroma = pixdesc->comp[1].depth - 8;
79
80 info->loopFilterLevel = h->h.filter.level;
81 info->loopFilterSharpness = h->h.filter.sharpness;
82 info->modeRefLfEnabled = h->h.lf_delta.enabled;
83
84 info->log2TileColumns = h->h.tiling.log2_tile_cols;
85 info->log2TileRows = h->h.tiling.log2_tile_rows;
86
87 info->segmentEnabled = h->h.segmentation.enabled;
88 info->segmentMapUpdate = h->h.segmentation.update_map;
89 info->segmentMapTemporalUpdate = h->h.segmentation.temporal;
90 info->segmentFeatureMode = h->h.segmentation.absolute_vals;
91
92 info->qpYAc = h->h.yac_qi;
93 info->qpYDc = h->h.ydc_qdelta;
94 info->qpChDc = h->h.uvdc_qdelta;
95 info->qpChAc = h->h.uvac_qdelta;
96
97 info->resetFrameContext = h->h.resetctx;
98 info->mcompFilterType = h->h.filtermode ^ (h->h.filtermode <= 1);
99 info->uncompressedHeaderSize = h->h.uncompressed_header_size;
100 info->compressedHeaderSize = h->h.compressed_header_size;
101 info->refFrameSignBias[0] = 0;
102
103
104 for (i = 0; i < FF_ARRAY_ELEMS(info->mbModeLfDelta); i++)
105 info->mbModeLfDelta[i] = h->h.lf_delta.mode[i];
106
107 for (i = 0; i < FF_ARRAY_ELEMS(info->mbRefLfDelta); i++)
108 info->mbRefLfDelta[i] = h->h.lf_delta.ref[i];
109
110 for (i = 0; i < FF_ARRAY_ELEMS(info->mbSegmentTreeProbs); i++)
111 info->mbSegmentTreeProbs[i] = h->h.segmentation.prob[i];
112
113 for (i = 0; i < FF_ARRAY_ELEMS(info->activeRefIdx); i++) {
114 info->activeRefIdx[i] = h->h.refidx[i];
115 info->segmentPredProbs[i] = h->h.segmentation.pred_prob[i];
116 info->refFrameSignBias[i + 1] = h->h.signbias[i];
117 }
118
119 for (i = 0; i < FF_ARRAY_ELEMS(info->segmentFeatureEnable); i++) {
120 info->segmentFeatureEnable[i][0] = h->h.segmentation.feat[i].q_enabled;
121 info->segmentFeatureEnable[i][1] = h->h.segmentation.feat[i].lf_enabled;
122 info->segmentFeatureEnable[i][2] = h->h.segmentation.feat[i].ref_enabled;
123 info->segmentFeatureEnable[i][3] = h->h.segmentation.feat[i].skip_enabled;
124
125 info->segmentFeatureData[i][0] = h->h.segmentation.feat[i].q_val;
126 info->segmentFeatureData[i][1] = h->h.segmentation.feat[i].lf_val;
127 info->segmentFeatureData[i][2] = h->h.segmentation.feat[i].ref_val;
128 info->segmentFeatureData[i][3] = 0;
129 }
130
131 switch (avctx->colorspace) {
132 default:
133 case AVCOL_SPC_UNSPECIFIED:
134 info->colorSpace = 0;
135 break;
136 case AVCOL_SPC_BT470BG:
137 info->colorSpace = 1;
138 break;
139 case AVCOL_SPC_BT709:
140 info->colorSpace = 2;
141 break;
142 case AVCOL_SPC_SMPTE170M:
143 info->colorSpace = 3;
144 break;
145 case AVCOL_SPC_SMPTE240M:
146 info->colorSpace = 4;
147 break;
148 case AVCOL_SPC_BT2020_NCL:
149 info->colorSpace = 5;
150 break;
151 case AVCOL_SPC_RESERVED:
152 info->colorSpace = 6;
153 break;
154 case AVCOL_SPC_RGB:
155 info->colorSpace = 7;
156 break;
157 }
158
159 return ff_vdpau_common_start_frame(pic_ctx, buffer, size);
160
161 }
162
163 static const uint8_t start_code_prefix[3] = { 0x00, 0x00, 0x01 };
164
165 static int vdpau_vp9_decode_slice(AVCodecContext *avctx,
166 const uint8_t *buffer, uint32_t size)
167 {
168 VP9SharedContext *h = avctx->priv_data;
169 VP9Frame pic = h->frames[CUR_FRAME];
170 struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
171
172 int val;
173
174 val = ff_vdpau_add_buffer(pic_ctx, start_code_prefix, 3);
175 if (val)
176 return val;
177
178 val = ff_vdpau_add_buffer(pic_ctx, buffer, size);
179 if (val)
180 return val;
181
182 return 0;
183 }
184
185 static int vdpau_vp9_end_frame(AVCodecContext *avctx)
186 {
187 VP9SharedContext *h = avctx->priv_data;
188 VP9Frame pic = h->frames[CUR_FRAME];
189 struct vdpau_picture_context *pic_ctx = pic.hwaccel_picture_private;
190
191 int val;
192
193 val = ff_vdpau_common_end_frame(avctx, pic.tf.f, pic_ctx);
194 if (val < 0)
195 return val;
196
197 return 0;
198 }
199
200 static int vdpau_vp9_init(AVCodecContext *avctx)
201 {
202 VdpDecoderProfile profile;
203 uint32_t level = avctx->level;
204
205 switch (avctx->profile) {
206 case AV_PROFILE_VP9_0:
207 profile = VDP_DECODER_PROFILE_VP9_PROFILE_0;
208 break;
209 case AV_PROFILE_VP9_1:
210 profile = VDP_DECODER_PROFILE_VP9_PROFILE_1;
211 break;
212 case AV_PROFILE_VP9_2:
213 profile = VDP_DECODER_PROFILE_VP9_PROFILE_2;
214 break;
215 case AV_PROFILE_VP9_3:
216 profile = VDP_DECODER_PROFILE_VP9_PROFILE_3;
217 break;
218 default:
219 return AVERROR(ENOTSUP);
220 }
221
222 return ff_vdpau_common_init(avctx, profile, level);
223 }
224
225 const FFHWAccel ff_vp9_vdpau_hwaccel = {
226 .p.name = "vp9_vdpau",
227 .p.type = AVMEDIA_TYPE_VIDEO,
228 .p.id = AV_CODEC_ID_VP9,
229 .p.pix_fmt = AV_PIX_FMT_VDPAU,
230 .start_frame = vdpau_vp9_start_frame,
231 .end_frame = vdpau_vp9_end_frame,
232 .decode_slice = vdpau_vp9_decode_slice,
233 .frame_priv_data_size = sizeof(struct vdpau_picture_context),
234 .init = vdpau_vp9_init,
235 .uninit = ff_vdpau_common_uninit,
236 .frame_params = ff_vdpau_common_frame_params,
237 .priv_data_size = sizeof(VDPAUContext),
238 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
239 };
240