mirror of https://github.com/FFmpeg/FFmpeg.git
Signed-off-by: Diego Biurrun <diego@biurrun.de>pull/8/head
Rémi Denis-Courmont
12 years ago
committed by
Diego Biurrun
parent
51b56a0716
commit
7752532789
5 changed files with 134 additions and 1 deletions
@ -0,0 +1,128 @@ |
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/*
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* VC-1 decode acceleration through VDPAU |
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* |
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* Copyright (c) 2008 NVIDIA |
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* Copyright (c) 2013 Rémi Denis-Courmont |
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include <vdpau/vdpau.h> |
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#include "avcodec.h" |
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#include "vc1.h" |
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#include "vdpau.h" |
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#include "vdpau_internal.h" |
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static int vdpau_vc1_start_frame(AVCodecContext *avctx, |
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const uint8_t *buffer, uint32_t size) |
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{ |
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VC1Context * const v = avctx->priv_data; |
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AVVDPAUContext *hwctx = avctx->hwaccel_context; |
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MpegEncContext * const s = &v->s; |
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VdpPictureInfoVC1 *info = &hwctx->info.vc1; |
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VdpVideoSurface ref; |
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/* fill LvPictureInfoVC1 struct */ |
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info->forward_reference = VDP_INVALID_HANDLE; |
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info->backward_reference = VDP_INVALID_HANDLE; |
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switch (s->pict_type) { |
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case AV_PICTURE_TYPE_B: |
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ref = ff_vdpau_get_surface_id(&s->next_picture); |
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assert(ref != VDP_INVALID_HANDLE); |
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info->backward_reference = ref; |
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/* fall-through */ |
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case AV_PICTURE_TYPE_P: |
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ref = ff_vdpau_get_surface_id(&s->last_picture); |
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assert(ref != VDP_INVALID_HANDLE); |
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info->forward_reference = ref; |
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} |
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info->slice_count = 0; |
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if (v->bi_type) |
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info->picture_type = 4; |
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else |
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info->picture_type = s->pict_type - 1 + s->pict_type / 3; |
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info->frame_coding_mode = v->fcm; |
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info->postprocflag = v->postprocflag; |
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info->pulldown = v->broadcast; |
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info->interlace = v->interlace; |
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info->tfcntrflag = v->tfcntrflag; |
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info->finterpflag = v->finterpflag; |
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info->psf = v->psf; |
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info->dquant = v->dquant; |
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info->panscan_flag = v->panscanflag; |
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info->refdist_flag = v->refdist_flag; |
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info->quantizer = v->quantizer_mode; |
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info->extended_mv = v->extended_mv; |
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info->extended_dmv = v->extended_dmv; |
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info->overlap = v->overlap; |
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info->vstransform = v->vstransform; |
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info->loopfilter = v->s.loop_filter; |
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info->fastuvmc = v->fastuvmc; |
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info->range_mapy_flag = v->range_mapy_flag; |
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info->range_mapy = v->range_mapy; |
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info->range_mapuv_flag = v->range_mapuv_flag; |
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info->range_mapuv = v->range_mapuv; |
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/* Specific to simple/main profile only */ |
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info->multires = v->multires; |
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info->syncmarker = v->s.resync_marker; |
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info->rangered = v->rangered | (v->rangeredfrm << 1); |
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info->maxbframes = v->s.max_b_frames; |
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info->deblockEnable = v->postprocflag & 1; |
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info->pquant = v->pq; |
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return ff_vdpau_common_start_frame(avctx, buffer, size); |
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} |
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static int vdpau_vc1_decode_slice(AVCodecContext *avctx, |
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const uint8_t *buffer, uint32_t size) |
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{ |
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AVVDPAUContext *hwctx = avctx->hwaccel_context; |
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int val; |
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val = ff_vdpau_add_buffer(avctx, buffer, size); |
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if (val < 0) |
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return val; |
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hwctx->info.vc1.slice_count++; |
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return 0; |
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} |
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#if CONFIG_WMV3_VDPAU_HWACCEL |
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AVHWAccel ff_wmv3_vdpau_hwaccel = { |
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.name = "wm3_vdpau", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.id = AV_CODEC_ID_WMV3, |
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.pix_fmt = AV_PIX_FMT_VDPAU, |
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.start_frame = vdpau_vc1_start_frame, |
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.end_frame = ff_vdpau_common_end_frame, |
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.decode_slice = vdpau_vc1_decode_slice, |
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}; |
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#endif |
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AVHWAccel ff_vc1_vdpau_hwaccel = { |
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.name = "vc1_vdpau", |
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.type = AVMEDIA_TYPE_VIDEO, |
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.id = AV_CODEC_ID_VC1, |
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.pix_fmt = AV_PIX_FMT_VDPAU, |
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.start_frame = vdpau_vc1_start_frame, |
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.end_frame = ff_vdpau_common_end_frame, |
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.decode_slice = vdpau_vc1_decode_slice, |
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}; |
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