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88 lines
2.8 KiB
88 lines
2.8 KiB
/* |
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* The Video Decode and Presentation API for UNIX (VDPAU) is used for |
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* hardware-accelerated decoding of 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_H |
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#define AVCODEC_VDPAU_H |
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/** |
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* \defgroup Decoder VDPAU Decoder and Renderer |
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* |
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* VDPAU hardware acceleration has two modules |
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* - VDPAU decoding |
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* - VDPAU presentation |
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* |
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* The VDPAU decoding module parses all headers using FFmpeg |
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* parsing mechanisms 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 the VDPAU |
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* presentation (vo_vdpau.c) module. |
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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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/** \brief The videoSurface is used for rendering. */ |
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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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* The 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 callback 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 information etc which are passed |
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* between the 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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VdpPictureInfoMPEG1Or2 mpeg; |
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VdpPictureInfoVC1 vc1; |
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VdpPictureInfoMPEG4Part2 mpeg4; |
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} info; |
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/** Describe size/location of the compressed video data. |
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Set to 0 when freeing bitstream_buffers. */ |
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int bitstream_buffers_allocated; |
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int bitstream_buffers_used; |
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/** The user is responsible for freeing this buffer using av_freep(). */ |
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VdpBitstreamBuffer *bitstream_buffers; |
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}; |
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/* @}*/ |
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#endif /* AVCODEC_VDPAU_H */
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