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87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/*
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* Video Decode and Presentation API for UNIX (VDPAU) is used for
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* HW decode acceleration for MPEG-1/2, H.264 and VC-1.
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*
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* Copyright (C) 2008 NVIDIA.
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg 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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* FFmpeg 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 FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_VDPAU_RENDER_H
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#define AVCODEC_VDPAU_RENDER_H
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/**
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* \defgroup Decoder VDPAU Decoder and Renderer
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*
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* VDPAU HW acceleration has two modules
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* - VDPAU Decoding
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* - VDPAU Presentation
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*
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* VDPAU decoding module parses all headers using FFmpeg
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* parsing mechanism and uses VDPAU for the actual decoding.
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*
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* As per the current implementation, the actual decoding
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* and rendering (API calls) are done as part of VDPAU
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* presentation (vo_vdpau.c) module.
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*
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* @{
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* \defgroup VDPAU_Decoding VDPAU Decoding
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* \ingroup Decoder
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* @{
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*/
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#include "vdpau/vdpau.h"
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#include "vdpau/vdpau_x11.h"
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/**
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* \brief The videoSurface is used for render.
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*/
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#define FF_VDPAU_STATE_USED_FOR_RENDER 1
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/**
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* \brief The videoSurface is needed for reference/prediction,
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* codec manipulates this.
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*/
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#define FF_VDPAU_STATE_USED_FOR_REFERENCE 2
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/**
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* \brief This structure is used as a CALL-BACK between the ffmpeg
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* decoder (vd_) and presentation (vo_) module.
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* This is used for defining a video-frame containing surface,
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* picture-parameter, bitstream informations etc which are passed
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* between ffmpeg decoder and its clients.
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*/
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struct vdpau_render_state{
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VdpVideoSurface surface; ///< used as rendered surface, never changed.
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int state; ///< Holds FF_VDPAU_STATE_* values
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/** Picture Parameter information for all supported codecs */
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union _VdpPictureInfo {
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VdpPictureInfoH264 h264;
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} info;
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/** Describe size/location of the compressed video data */
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int bitstreamBuffersAlloced;
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int bitstreamBuffersUsed;
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VdpBitstreamBuffer *bitstreamBuffers;
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};
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/* @}*/
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#endif /* AVCODEC_VDPAU_RENDER_H */
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