yading@10: /*
yading@10:  * VC-1 decode acceleration through VDPAU
yading@10:  *
yading@10:  * Copyright (c) 2008 NVIDIA
yading@10:  * Copyright (c) 2013 Rémi Denis-Courmont
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software Foundation,
yading@10:  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #include <vdpau/vdpau.h>
yading@10: 
yading@10: #include "avcodec.h"
yading@10: #include "vc1.h"
yading@10: #include "vdpau.h"
yading@10: #include "vdpau_internal.h"
yading@10: 
yading@10: static int vdpau_vc1_start_frame(AVCodecContext *avctx,
yading@10:                                  const uint8_t *buffer, uint32_t size)
yading@10: {
yading@10:     VC1Context * const v  = avctx->priv_data;
yading@10:     AVVDPAUContext *hwctx = avctx->hwaccel_context;
yading@10:     MpegEncContext * const s = &v->s;
yading@10:     VdpPictureInfoVC1 *info = &hwctx->info.vc1;
yading@10:     VdpVideoSurface ref;
yading@10: 
yading@10:     /*  fill LvPictureInfoVC1 struct */
yading@10:     info->forward_reference  = VDP_INVALID_HANDLE;
yading@10:     info->backward_reference = VDP_INVALID_HANDLE;
yading@10: 
yading@10:     switch (s->pict_type) {
yading@10:     case AV_PICTURE_TYPE_B:
yading@10:         ref = ff_vdpau_get_surface_id(&s->next_picture);
yading@10:         assert(ref != VDP_INVALID_HANDLE);
yading@10:         info->backward_reference = ref;
yading@10:         /* fall-through */
yading@10:     case AV_PICTURE_TYPE_P:
yading@10:         ref = ff_vdpau_get_surface_id(&s->last_picture);
yading@10:         assert(ref != VDP_INVALID_HANDLE);
yading@10:         info->forward_reference  = ref;
yading@10:     }
yading@10: 
yading@10:     info->slice_count       = 0;
yading@10:     if (v->bi_type)
yading@10:         info->picture_type  = 4;
yading@10:     else
yading@10:         info->picture_type  = s->pict_type - 1 + s->pict_type / 3;
yading@10: 
yading@10:     info->frame_coding_mode = v->fcm;
yading@10:     info->postprocflag      = v->postprocflag;
yading@10:     info->pulldown          = v->broadcast;
yading@10:     info->interlace         = v->interlace;
yading@10:     info->tfcntrflag        = v->tfcntrflag;
yading@10:     info->finterpflag       = v->finterpflag;
yading@10:     info->psf               = v->psf;
yading@10:     info->dquant            = v->dquant;
yading@10:     info->panscan_flag      = v->panscanflag;
yading@10:     info->refdist_flag      = v->refdist_flag;
yading@10:     info->quantizer         = v->quantizer_mode;
yading@10:     info->extended_mv       = v->extended_mv;
yading@10:     info->extended_dmv      = v->extended_dmv;
yading@10:     info->overlap           = v->overlap;
yading@10:     info->vstransform       = v->vstransform;
yading@10:     info->loopfilter        = v->s.loop_filter;
yading@10:     info->fastuvmc          = v->fastuvmc;
yading@10:     info->range_mapy_flag   = v->range_mapy_flag;
yading@10:     info->range_mapy        = v->range_mapy;
yading@10:     info->range_mapuv_flag  = v->range_mapuv_flag;
yading@10:     info->range_mapuv       = v->range_mapuv;
yading@10:     /* Specific to simple/main profile only */
yading@10:     info->multires          = v->multires;
yading@10:     info->syncmarker        = v->s.resync_marker;
yading@10:     info->rangered          = v->rangered | (v->rangeredfrm << 1);
yading@10:     info->maxbframes        = v->s.max_b_frames;
yading@10:     info->deblockEnable     = v->postprocflag & 1;
yading@10:     info->pquant            = v->pq;
yading@10: 
yading@10:     return ff_vdpau_common_start_frame(avctx, buffer, size);
yading@10: }
yading@10: 
yading@10: static int vdpau_vc1_decode_slice(AVCodecContext *avctx,
yading@10:                                   const uint8_t *buffer, uint32_t size)
yading@10: {
yading@10:     AVVDPAUContext *hwctx = avctx->hwaccel_context;
yading@10:     int val;
yading@10: 
yading@10:     val = ff_vdpau_add_buffer(avctx, buffer, size);
yading@10:     if (val < 0)
yading@10:         return val;
yading@10: 
yading@10:     hwctx->info.vc1.slice_count++;
yading@10:     return 0;
yading@10: }
yading@10: 
yading@10: #if CONFIG_WMV3_VDPAU_HWACCEL
yading@10: AVHWAccel ff_wmv3_vdpau_hwaccel = {
yading@10:     .name           = "wm3_vdpau",
yading@10:     .type           = AVMEDIA_TYPE_VIDEO,
yading@10:     .id             = AV_CODEC_ID_WMV3,
yading@10:     .pix_fmt        = AV_PIX_FMT_VDPAU,
yading@10:     .start_frame    = vdpau_vc1_start_frame,
yading@10:     .end_frame      = ff_vdpau_mpeg_end_frame,
yading@10:     .decode_slice   = vdpau_vc1_decode_slice,
yading@10: };
yading@10: #endif
yading@10: 
yading@10: AVHWAccel ff_vc1_vdpau_hwaccel = {
yading@10:     .name           = "vc1_vdpau",
yading@10:     .type           = AVMEDIA_TYPE_VIDEO,
yading@10:     .id             = AV_CODEC_ID_VC1,
yading@10:     .pix_fmt        = AV_PIX_FMT_VDPAU,
yading@10:     .start_frame    = vdpau_vc1_start_frame,
yading@10:     .end_frame      = ff_vdpau_mpeg_end_frame,
yading@10:     .decode_slice   = vdpau_vc1_decode_slice,
yading@10: };