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/*
* Video Decode and Presentation API for UNIX (VDPAU) is used for
* HW decode acceleration for MPEG-1/2, H.264 and VC-1.
*
* Copyright (C) 2008 NVIDIA.
*
* 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
*/
#ifndef AVCODEC_VDPAU_RENDER_H
#define AVCODEC_VDPAU_RENDER_H
/**
* \defgroup Decoder VDPAU Decoder and Renderer
*
* VDPAU HW acceleration has two modules
* - VDPAU Decoding
* - VDPAU Presentation
*
* VDPAU decoding module parses all headers using FFmpeg
* parsing mechanism and uses VDPAU for the actual decoding.
*
* As per the current implementation, the actual decoding
* and rendering (API calls) are done as part of VDPAU
* presentation (vo_vdpau.c) module.
*
* @{
* \defgroup VDPAU_Decoding VDPAU Decoding
* \ingroup Decoder
* @{
*/
#include "vdpau/vdpau.h"
#include "vdpau/vdpau_x11.h"
/**
* \brief The videoSurface is used for render.
*/
#define FF_VDPAU_STATE_USED_FOR_RENDER 1
/**
* \brief The videoSurface is needed for reference/prediction,
* codec manipulates this.
*/
#define FF_VDPAU_STATE_USED_FOR_REFERENCE 2
/**
* \brief This structure is used as a CALL-BACK between the ffmpeg
* decoder (vd_) and presentation (vo_) module.
* This is used for defining a video-frame containing surface,
* picture-parameter, bitstream informations etc which are passed
* between ffmpeg decoder and its clients.
*/
struct vdpau_render_state{
VdpVideoSurface surface; ///< used as rendered surface, never changed.
int state; ///< Holds FF_VDPAU_STATE_* values
/** Picture Parameter information for all supported codecs */
union _VdpPictureInfo {
VdpPictureInfoH264 h264;
} info;
/** Describe size/location of the compressed video data */
int bitstreamBuffersAlloced;
int bitstreamBuffersUsed;
VdpBitstreamBuffer *bitstreamBuffers;
};
/* @}*/
#endif /* AVCODEC_VDPAU_RENDER_H */
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