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 "hwconfig.h"
30 #include "vc1.h"
31 #include "vdpau.h"
32 #include "vdpau_internal.h"
33
vdpau_vc1_start_frame(AVCodecContext * avctx,const uint8_t * buffer,uint32_t size)34 static int vdpau_vc1_start_frame(AVCodecContext *avctx,
35 const uint8_t *buffer, uint32_t size)
36 {
37 VC1Context * const v = avctx->priv_data;
38 MpegEncContext * const s = &v->s;
39 Picture *pic = s->current_picture_ptr;
40 struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
41 VdpPictureInfoVC1 *info = &pic_ctx->info.vc1;
42 VdpVideoSurface ref;
43
44 /* fill LvPictureInfoVC1 struct */
45 info->forward_reference = VDP_INVALID_HANDLE;
46 info->backward_reference = VDP_INVALID_HANDLE;
47
48 switch (s->pict_type) {
49 case AV_PICTURE_TYPE_B:
50 if (s->next_picture_ptr) {
51 ref = ff_vdpau_get_surface_id(s->next_picture.f);
52 assert(ref != VDP_INVALID_HANDLE);
53 info->backward_reference = ref;
54 }
55 /* fall-through */
56 case AV_PICTURE_TYPE_P:
57 if (s->last_picture_ptr) {
58 ref = ff_vdpau_get_surface_id(s->last_picture.f);
59 assert(ref != VDP_INVALID_HANDLE);
60 info->forward_reference = ref;
61 }
62 }
63
64 info->slice_count = 0;
65 if (v->bi_type)
66 info->picture_type = 4;
67 else
68 info->picture_type = s->pict_type - 1 + s->pict_type / 3;
69
70 info->frame_coding_mode = v->fcm ? (v->fcm + 1) : 0;
71 info->postprocflag = v->postprocflag;
72 info->pulldown = v->broadcast;
73 info->interlace = v->interlace;
74 info->tfcntrflag = v->tfcntrflag;
75 info->finterpflag = v->finterpflag;
76 info->psf = v->psf;
77 info->dquant = v->dquant;
78 info->panscan_flag = v->panscanflag;
79 info->refdist_flag = v->refdist_flag;
80 info->quantizer = v->quantizer_mode;
81 info->extended_mv = v->extended_mv;
82 info->extended_dmv = v->extended_dmv;
83 info->overlap = v->overlap;
84 info->vstransform = v->vstransform;
85 info->loopfilter = v->s.loop_filter;
86 info->fastuvmc = v->fastuvmc;
87 info->range_mapy_flag = v->range_mapy_flag;
88 info->range_mapy = v->range_mapy;
89 info->range_mapuv_flag = v->range_mapuv_flag;
90 info->range_mapuv = v->range_mapuv;
91 /* Specific to simple/main profile only */
92 info->multires = v->multires;
93 info->syncmarker = v->resync_marker;
94 info->rangered = v->rangered | (v->rangeredfrm << 1);
95 info->maxbframes = v->s.max_b_frames;
96 info->deblockEnable = v->postprocflag & 1;
97 info->pquant = v->pq;
98
99 return ff_vdpau_common_start_frame(pic_ctx, buffer, size);
100 }
101
vdpau_vc1_decode_slice(AVCodecContext * avctx,const uint8_t * buffer,uint32_t size)102 static int vdpau_vc1_decode_slice(AVCodecContext *avctx,
103 const uint8_t *buffer, uint32_t size)
104 {
105 VC1Context * const v = avctx->priv_data;
106 MpegEncContext * const s = &v->s;
107 Picture *pic = s->current_picture_ptr;
108 struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private;
109 int val;
110
111 val = ff_vdpau_add_buffer(pic_ctx, buffer, size);
112 if (val < 0)
113 return val;
114
115 pic_ctx->info.vc1.slice_count++;
116 return 0;
117 }
118
vdpau_vc1_init(AVCodecContext * avctx)119 static int vdpau_vc1_init(AVCodecContext *avctx)
120 {
121 VdpDecoderProfile profile;
122
123 switch (avctx->profile) {
124 case FF_PROFILE_VC1_SIMPLE:
125 profile = VDP_DECODER_PROFILE_VC1_SIMPLE;
126 break;
127 case FF_PROFILE_VC1_MAIN:
128 profile = VDP_DECODER_PROFILE_VC1_MAIN;
129 break;
130 case FF_PROFILE_VC1_ADVANCED:
131 profile = VDP_DECODER_PROFILE_VC1_ADVANCED;
132 break;
133 default:
134 return AVERROR(ENOTSUP);
135 }
136
137 return ff_vdpau_common_init(avctx, profile, avctx->level);
138 }
139
140 #if CONFIG_WMV3_VDPAU_HWACCEL
141 const AVHWAccel ff_wmv3_vdpau_hwaccel = {
142 .name = "wm3_vdpau",
143 .type = AVMEDIA_TYPE_VIDEO,
144 .id = AV_CODEC_ID_WMV3,
145 .pix_fmt = AV_PIX_FMT_VDPAU,
146 .start_frame = vdpau_vc1_start_frame,
147 .end_frame = ff_vdpau_mpeg_end_frame,
148 .decode_slice = vdpau_vc1_decode_slice,
149 .frame_priv_data_size = sizeof(struct vdpau_picture_context),
150 .init = vdpau_vc1_init,
151 .uninit = ff_vdpau_common_uninit,
152 .frame_params = ff_vdpau_common_frame_params,
153 .priv_data_size = sizeof(VDPAUContext),
154 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
155 };
156 #endif
157
158 const AVHWAccel ff_vc1_vdpau_hwaccel = {
159 .name = "vc1_vdpau",
160 .type = AVMEDIA_TYPE_VIDEO,
161 .id = AV_CODEC_ID_VC1,
162 .pix_fmt = AV_PIX_FMT_VDPAU,
163 .start_frame = vdpau_vc1_start_frame,
164 .end_frame = ff_vdpau_mpeg_end_frame,
165 .decode_slice = vdpau_vc1_decode_slice,
166 .frame_priv_data_size = sizeof(struct vdpau_picture_context),
167 .init = vdpau_vc1_init,
168 .uninit = ff_vdpau_common_uninit,
169 .frame_params = ff_vdpau_common_frame_params,
170 .priv_data_size = sizeof(VDPAUContext),
171 .caps_internal = HWACCEL_CAP_ASYNC_SAFE,
172 };
173