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2ba45a60 DM |
1 | /* |
2 | * VC-1 decode acceleration through VDPAU | |
3 | * | |
4 | * Copyright (c) 2008 NVIDIA | |
5 | * Copyright (c) 2013 RĂ©mi 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 <vdpau/vdpau.h> | |
25 | ||
26 | #include "avcodec.h" | |
27 | #include "vc1.h" | |
28 | #include "vdpau.h" | |
29 | #include "vdpau_internal.h" | |
30 | ||
31 | static int vdpau_vc1_start_frame(AVCodecContext *avctx, | |
32 | const uint8_t *buffer, uint32_t size) | |
33 | { | |
34 | VC1Context * const v = avctx->priv_data; | |
35 | MpegEncContext * const s = &v->s; | |
36 | Picture *pic = s->current_picture_ptr; | |
37 | struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private; | |
38 | VdpPictureInfoVC1 *info = &pic_ctx->info.vc1; | |
39 | VdpVideoSurface ref; | |
40 | ||
41 | /* fill LvPictureInfoVC1 struct */ | |
42 | info->forward_reference = VDP_INVALID_HANDLE; | |
43 | info->backward_reference = VDP_INVALID_HANDLE; | |
44 | ||
45 | switch (s->pict_type) { | |
46 | case AV_PICTURE_TYPE_B: | |
47 | if (s->next_picture_ptr) { | |
48 | ref = ff_vdpau_get_surface_id(s->next_picture.f); | |
49 | assert(ref != VDP_INVALID_HANDLE); | |
50 | info->backward_reference = ref; | |
51 | } | |
52 | /* fall-through */ | |
53 | case AV_PICTURE_TYPE_P: | |
54 | if (s->last_picture_ptr) { | |
55 | ref = ff_vdpau_get_surface_id(s->last_picture.f); | |
56 | assert(ref != VDP_INVALID_HANDLE); | |
57 | info->forward_reference = ref; | |
58 | } | |
59 | } | |
60 | ||
61 | info->slice_count = 0; | |
62 | if (v->bi_type) | |
63 | info->picture_type = 4; | |
64 | else | |
65 | info->picture_type = s->pict_type - 1 + s->pict_type / 3; | |
66 | ||
67 | info->frame_coding_mode = v->fcm ? (v->fcm + 1) : 0; | |
68 | info->postprocflag = v->postprocflag; | |
69 | info->pulldown = v->broadcast; | |
70 | info->interlace = v->interlace; | |
71 | info->tfcntrflag = v->tfcntrflag; | |
72 | info->finterpflag = v->finterpflag; | |
73 | info->psf = v->psf; | |
74 | info->dquant = v->dquant; | |
75 | info->panscan_flag = v->panscanflag; | |
76 | info->refdist_flag = v->refdist_flag; | |
77 | info->quantizer = v->quantizer_mode; | |
78 | info->extended_mv = v->extended_mv; | |
79 | info->extended_dmv = v->extended_dmv; | |
80 | info->overlap = v->overlap; | |
81 | info->vstransform = v->vstransform; | |
82 | info->loopfilter = v->s.loop_filter; | |
83 | info->fastuvmc = v->fastuvmc; | |
84 | info->range_mapy_flag = v->range_mapy_flag; | |
85 | info->range_mapy = v->range_mapy; | |
86 | info->range_mapuv_flag = v->range_mapuv_flag; | |
87 | info->range_mapuv = v->range_mapuv; | |
88 | /* Specific to simple/main profile only */ | |
89 | info->multires = v->multires; | |
90 | info->syncmarker = v->resync_marker; | |
91 | info->rangered = v->rangered | (v->rangeredfrm << 1); | |
92 | info->maxbframes = v->s.max_b_frames; | |
93 | info->deblockEnable = v->postprocflag & 1; | |
94 | info->pquant = v->pq; | |
95 | ||
96 | return ff_vdpau_common_start_frame(pic_ctx, buffer, size); | |
97 | } | |
98 | ||
99 | static int vdpau_vc1_decode_slice(AVCodecContext *avctx, | |
100 | const uint8_t *buffer, uint32_t size) | |
101 | { | |
102 | VC1Context * const v = avctx->priv_data; | |
103 | MpegEncContext * const s = &v->s; | |
104 | Picture *pic = s->current_picture_ptr; | |
105 | struct vdpau_picture_context *pic_ctx = pic->hwaccel_picture_private; | |
106 | int val; | |
107 | ||
108 | val = ff_vdpau_add_buffer(pic_ctx, buffer, size); | |
109 | if (val < 0) | |
110 | return val; | |
111 | ||
112 | pic_ctx->info.vc1.slice_count++; | |
113 | return 0; | |
114 | } | |
115 | ||
f6fa7814 DM |
116 | static int vdpau_vc1_init(AVCodecContext *avctx) |
117 | { | |
118 | VdpDecoderProfile profile; | |
119 | ||
120 | switch (avctx->profile) { | |
121 | case FF_PROFILE_VC1_SIMPLE: | |
122 | profile = VDP_DECODER_PROFILE_VC1_SIMPLE; | |
123 | break; | |
124 | case FF_PROFILE_VC1_MAIN: | |
125 | profile = VDP_DECODER_PROFILE_VC1_MAIN; | |
126 | break; | |
127 | case FF_PROFILE_VC1_ADVANCED: | |
128 | profile = VDP_DECODER_PROFILE_VC1_ADVANCED; | |
129 | break; | |
130 | default: | |
131 | return AVERROR(ENOTSUP); | |
132 | } | |
133 | ||
134 | return ff_vdpau_common_init(avctx, profile, avctx->level); | |
135 | } | |
136 | ||
2ba45a60 DM |
137 | #if CONFIG_WMV3_VDPAU_HWACCEL |
138 | AVHWAccel ff_wmv3_vdpau_hwaccel = { | |
139 | .name = "wm3_vdpau", | |
140 | .type = AVMEDIA_TYPE_VIDEO, | |
141 | .id = AV_CODEC_ID_WMV3, | |
142 | .pix_fmt = AV_PIX_FMT_VDPAU, | |
143 | .start_frame = vdpau_vc1_start_frame, | |
144 | .end_frame = ff_vdpau_mpeg_end_frame, | |
145 | .decode_slice = vdpau_vc1_decode_slice, | |
146 | .frame_priv_data_size = sizeof(struct vdpau_picture_context), | |
f6fa7814 DM |
147 | .init = vdpau_vc1_init, |
148 | .uninit = ff_vdpau_common_uninit, | |
149 | .priv_data_size = sizeof(VDPAUContext), | |
2ba45a60 DM |
150 | }; |
151 | #endif | |
152 | ||
153 | AVHWAccel ff_vc1_vdpau_hwaccel = { | |
154 | .name = "vc1_vdpau", | |
155 | .type = AVMEDIA_TYPE_VIDEO, | |
156 | .id = AV_CODEC_ID_VC1, | |
157 | .pix_fmt = AV_PIX_FMT_VDPAU, | |
158 | .start_frame = vdpau_vc1_start_frame, | |
159 | .end_frame = ff_vdpau_mpeg_end_frame, | |
160 | .decode_slice = vdpau_vc1_decode_slice, | |
161 | .frame_priv_data_size = sizeof(struct vdpau_picture_context), | |
f6fa7814 DM |
162 | .init = vdpau_vc1_init, |
163 | .uninit = ff_vdpau_common_uninit, | |
164 | .priv_data_size = sizeof(VDPAUContext), | |
2ba45a60 | 165 | }; |