| 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 | |
| 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 | |
| 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), |
| 147 | .init = vdpau_vc1_init, |
| 148 | .uninit = ff_vdpau_common_uninit, |
| 149 | .priv_data_size = sizeof(VDPAUContext), |
| 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), |
| 162 | .init = vdpau_vc1_init, |
| 163 | .uninit = ff_vdpau_common_uninit, |
| 164 | .priv_data_size = sizeof(VDPAUContext), |
| 165 | }; |