141 lines
5.3 KiB
C
Executable file
141 lines
5.3 KiB
C
Executable file
/*
|
|
* VC1 HW decode acceleration through NVDEC
|
|
*
|
|
* Copyright (c) 2017 Philip Langdale
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg 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.
|
|
*
|
|
* FFmpeg 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 FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "avcodec.h"
|
|
#include "nvdec.h"
|
|
#include "decode.h"
|
|
#include "vc1.h"
|
|
|
|
static int nvdec_vc1_start_frame(AVCodecContext *avctx, const uint8_t *buffer, uint32_t size)
|
|
{
|
|
VC1Context *v = avctx->priv_data;
|
|
MpegEncContext *s = &v->s;
|
|
|
|
NVDECContext *ctx = avctx->internal->hwaccel_priv_data;
|
|
CUVIDPICPARAMS *pp = &ctx->pic_params;
|
|
FrameDecodeData *fdd;
|
|
NVDECFrame *cf;
|
|
AVFrame *cur_frame = s->current_picture.f;
|
|
|
|
int ret;
|
|
|
|
ret = ff_nvdec_start_frame(avctx, cur_frame);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
fdd = (FrameDecodeData*)cur_frame->private_ref->data;
|
|
cf = (NVDECFrame*)fdd->hwaccel_priv;
|
|
|
|
*pp = (CUVIDPICPARAMS) {
|
|
.PicWidthInMbs = (cur_frame->width + 15) / 16,
|
|
.FrameHeightInMbs = (cur_frame->height + 15) / 16,
|
|
.CurrPicIdx = cf->idx,
|
|
.field_pic_flag = v->field_mode,
|
|
.bottom_field_flag = v->cur_field_type,
|
|
.second_field = v->second_field,
|
|
|
|
.intra_pic_flag = s->pict_type == AV_PICTURE_TYPE_I ||
|
|
s->pict_type == AV_PICTURE_TYPE_BI,
|
|
.ref_pic_flag = s->pict_type == AV_PICTURE_TYPE_I ||
|
|
s->pict_type == AV_PICTURE_TYPE_P,
|
|
|
|
.CodecSpecific.vc1 = {
|
|
.ForwardRefIdx = ff_nvdec_get_ref_idx(s->last_picture.f),
|
|
.BackwardRefIdx = ff_nvdec_get_ref_idx(s->next_picture.f),
|
|
.FrameWidth = cur_frame->width,
|
|
.FrameHeight = cur_frame->height,
|
|
|
|
.intra_pic_flag = s->pict_type == AV_PICTURE_TYPE_I ||
|
|
s->pict_type == AV_PICTURE_TYPE_BI,
|
|
.ref_pic_flag = s->pict_type == AV_PICTURE_TYPE_I ||
|
|
s->pict_type == AV_PICTURE_TYPE_P,
|
|
.progressive_fcm = v->fcm == 0,
|
|
|
|
.profile = v->profile,
|
|
.postprocflag = v->postprocflag,
|
|
.pulldown = v->broadcast,
|
|
.interlace = v->interlace,
|
|
.tfcntrflag = v->tfcntrflag,
|
|
.finterpflag = v->finterpflag,
|
|
.psf = v->psf,
|
|
.multires = v->multires,
|
|
.syncmarker = v->resync_marker,
|
|
.rangered = v->rangered,
|
|
.maxbframes = s->max_b_frames,
|
|
|
|
.panscan_flag = v->panscanflag,
|
|
.refdist_flag = v->refdist_flag,
|
|
.extended_mv = v->extended_mv,
|
|
.dquant = v->dquant,
|
|
.vstransform = v->vstransform,
|
|
.loopfilter = v->s.loop_filter,
|
|
.fastuvmc = v->fastuvmc,
|
|
.overlap = v->overlap,
|
|
.quantizer = v->quantizer_mode,
|
|
.extended_dmv = v->extended_dmv,
|
|
.range_mapy_flag = v->range_mapy_flag,
|
|
.range_mapy = v->range_mapy,
|
|
.range_mapuv_flag = v->range_mapuv_flag,
|
|
.range_mapuv = v->range_mapuv,
|
|
.rangeredfrm = v->rangeredfrm,
|
|
}
|
|
};
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int nvdec_vc1_frame_params(AVCodecContext *avctx,
|
|
AVBufferRef *hw_frames_ctx)
|
|
{
|
|
// Each frame can at most have one P and one B reference
|
|
return ff_nvdec_frame_params(avctx, hw_frames_ctx, 2, 0);
|
|
}
|
|
|
|
const AVHWAccel ff_vc1_nvdec_hwaccel = {
|
|
.name = "vc1_nvdec",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_VC1,
|
|
.pix_fmt = AV_PIX_FMT_CUDA,
|
|
.start_frame = nvdec_vc1_start_frame,
|
|
.end_frame = ff_nvdec_simple_end_frame,
|
|
.decode_slice = ff_nvdec_simple_decode_slice,
|
|
.frame_params = nvdec_vc1_frame_params,
|
|
.init = ff_nvdec_decode_init,
|
|
.uninit = ff_nvdec_decode_uninit,
|
|
.priv_data_size = sizeof(NVDECContext),
|
|
};
|
|
|
|
#if CONFIG_WMV3_NVDEC_HWACCEL
|
|
const AVHWAccel ff_wmv3_nvdec_hwaccel = {
|
|
.name = "wmv3_nvdec",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_WMV3,
|
|
.pix_fmt = AV_PIX_FMT_CUDA,
|
|
.start_frame = nvdec_vc1_start_frame,
|
|
.end_frame = ff_nvdec_simple_end_frame,
|
|
.decode_slice = ff_nvdec_simple_decode_slice,
|
|
.frame_params = nvdec_vc1_frame_params,
|
|
.init = ff_nvdec_decode_init,
|
|
.uninit = ff_nvdec_decode_uninit,
|
|
.priv_data_size = sizeof(NVDECContext),
|
|
};
|
|
#endif
|