FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/vdpau_vc1.c
Date: 2026-09-25 17:25:24
Exec Total Coverage
Lines: 0 72 0.0%
Functions: 0 3 0.0%
Branches: 0 17 0.0%

Line Branch Exec Source
1 /*
2 * VC-1 decode acceleration through VDPAU
3 *
4 * Copyright (c) 2008 NVIDIA
5 * Copyright (c) 2013 Rémi Denis-Courmont
6 *
7 * This file is part of FFmpeg.
8 *
9 * FFmpeg is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
13 *
14 * FFmpeg is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with FFmpeg; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 */
23
24 #include "config_components.h"
25
26 #include <vdpau/vdpau.h>
27
28 #include "avcodec.h"
29 #include "hwaccel_internal.h"
30 #include "libavutil/attributes.h"
31 #include "vc1.h"
32 #include "vdpau.h"
33 #include "vdpau_internal.h"
34
35 ✗ static int vdpau_vc1_start_frame(AVCodecContext *avctx,
36 const AVBufferRef *buffer_ref,
37 const uint8_t *buffer, uint32_t size)
38 {
39 ✗ VC1Context * const v = avctx->priv_data;
40 ✗ MpegEncContext * const s = &v->s;
41 ✗ MPVPicture *pic = s->cur_pic.ptr;
42 ✗ struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
43 ✗ VdpPictureInfoVC1 *info = &pic_ctx->info.vc1;
44 VdpVideoSurface ref;
45
46 /* fill LvPictureInfoVC1 struct */
47 ✗ info->forward_reference = VDP_INVALID_HANDLE;
48 ✗ info->backward_reference = VDP_INVALID_HANDLE;
49
50 ✗ switch (s->pict_type) {
51 ✗ case AV_PICTURE_TYPE_B:
52 ✗ if (s->next_pic.ptr) {
53 ✗ ref = ff_vdpau_get_surface_id(s->next_pic.ptr->f);
54 assert(ref != VDP_INVALID_HANDLE);
55 ✗ info->backward_reference = ref;
56 }
57 av_fallthrough;
58 case AV_PICTURE_TYPE_P:
59 ✗ if (s->last_pic.ptr) {
60 ✗ ref = ff_vdpau_get_surface_id(s->last_pic.ptr->f);
61 assert(ref != VDP_INVALID_HANDLE);
62 ✗ info->forward_reference = ref;
63 }
64 }
65
66 ✗ info->slice_count = 0;
67 ✗ if (v->bi_type)
68 ✗ info->picture_type = 4;
69 else
70 ✗ info->picture_type = s->pict_type - 1 + s->pict_type / 3;
71
72 ✗ info->frame_coding_mode = v->fcm ? (v->fcm + 1) : 0;
73 ✗ info->postprocflag = v->postprocflag;
74 ✗ info->pulldown = v->broadcast;
75 ✗ info->interlace = v->interlace;
76 ✗ info->tfcntrflag = v->tfcntrflag;
77 ✗ info->finterpflag = v->finterpflag;
78 ✗ info->psf = v->psf;
79 ✗ info->dquant = v->dquant;
80 ✗ info->panscan_flag = v->panscanflag;
81 ✗ info->refdist_flag = v->refdist_flag;
82 ✗ info->quantizer = v->quantizer_mode;
83 ✗ info->extended_mv = v->extended_mv;
84 ✗ info->extended_dmv = v->extended_dmv;
85 ✗ info->overlap = v->overlap;
86 ✗ info->vstransform = v->vstransform;
87 ✗ info->loopfilter = v->loop_filter;
88 ✗ info->fastuvmc = v->fastuvmc;
89 ✗ info->range_mapy_flag = v->range_mapy_flag;
90 ✗ info->range_mapy = v->range_mapy;
91 ✗ info->range_mapuv_flag = v->range_mapuv_flag;
92 ✗ info->range_mapuv = v->range_mapuv;
93 /* Specific to simple/main profile only */
94 ✗ info->multires = v->multires;
95 ✗ info->syncmarker = v->resync_marker;
96 ✗ info->rangered = v->rangered | (v->rangeredfrm << 1);
97 ✗ info->maxbframes = v->max_b_frames;
98 ✗ info->deblockEnable = v->postprocflag & 1;
99 ✗ info->pquant = v->pq;
100
101 ✗ return ff_vdpau_common_start_frame(pic_ctx, buffer, size);
102 }
103
104 ✗ static int vdpau_vc1_decode_slice(AVCodecContext *avctx,
105 const uint8_t *buffer, uint32_t size)
106 {
107 ✗ VC1Context * const v = avctx->priv_data;
108 ✗ MpegEncContext * const s = &v->s;
109 ✗ MPVPicture *pic = s->cur_pic.ptr;
110 ✗ struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
111 int val;
112
113 ✗ val = ff_vdpau_add_buffer(pic_ctx, buffer, size);
114 ✗ if (val < 0)
115 ✗ return val;
116
117 ✗ pic_ctx->info.vc1.slice_count++;
118 ✗ return 0;
119 }
120
121 ✗ static av_cold int vdpau_vc1_init(AVCodecContext *avctx)
122 {
123 VdpDecoderProfile profile;
124
125 ✗ switch (avctx->profile) {
126 ✗ case AV_PROFILE_VC1_SIMPLE:
127 ✗ profile = VDP_DECODER_PROFILE_VC1_SIMPLE;
128 ✗ break;
129 ✗ case AV_PROFILE_VC1_MAIN:
130 ✗ profile = VDP_DECODER_PROFILE_VC1_MAIN;
131 ✗ break;
132 ✗ case AV_PROFILE_VC1_ADVANCED:
133 ✗ profile = VDP_DECODER_PROFILE_VC1_ADVANCED;
134 ✗ break;
135 ✗ default:
136 ✗ return AVERROR(ENOTSUP);
137 }
138
139 ✗ return ff_vdpau_common_init(avctx, profile, avctx->level);
140 }
141
142 #if CONFIG_WMV3_VDPAU_HWACCEL
143 const FFHWAccel ff_wmv3_vdpau_hwaccel = {
144 .p.name = "wm3_vdpau",
145 .p.type = AVMEDIA_TYPE_VIDEO,
146 .p.id = AV_CODEC_ID_WMV3,
147 .p.pix_fmt = AV_PIX_FMT_VDPAU,
148 .start_frame = vdpau_vc1_start_frame,
149 .end_frame = ff_vdpau_mpeg_end_frame,
150 .decode_slice = vdpau_vc1_decode_slice,
151 .frame_priv_data_size = sizeof(struct vdpau_picture_context),
152 .init = vdpau_vc1_init,
153 .uninit = ff_vdpau_common_uninit,
154 .frame_params = ff_vdpau_common_frame_params,
155 .priv_data_size = sizeof(VDPAUContext),
156 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
157 };
158 #endif
159
160 const FFHWAccel ff_vc1_vdpau_hwaccel = {
161 .p.name = "vc1_vdpau",
162 .p.type = AVMEDIA_TYPE_VIDEO,
163 .p.id = AV_CODEC_ID_VC1,
164 .p.pix_fmt = AV_PIX_FMT_VDPAU,
165 .start_frame = vdpau_vc1_start_frame,
166 .end_frame = ff_vdpau_mpeg_end_frame,
167 .decode_slice = vdpau_vc1_decode_slice,
168 .frame_priv_data_size = sizeof(struct vdpau_picture_context),
169 .init = vdpau_vc1_init,
170 .uninit = ff_vdpau_common_uninit,
171 .frame_params = ff_vdpau_common_frame_params,
172 .priv_data_size = sizeof(VDPAUContext),
173 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
174 };
175