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