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 34static 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 102static 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 119static 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 141const 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 158const 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