369122dd |
/* |
5fd9c8b9 |
* The Video Decode and Presentation API for UNIX (VDPAU) is used for
* hardware-accelerated decoding of MPEG-1/2, H.264 and VC-1. |
369122dd |
* |
5fd9c8b9 |
* Copyright (C) 2008 NVIDIA |
369122dd |
*
* 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
*/
|
373745ae |
#ifndef AVCODEC_VDPAU_H
#define AVCODEC_VDPAU_H |
369122dd |
/** |
adbfc605 |
* @defgroup Decoder VDPAU Decoder and Renderer |
369122dd |
* |
5fd9c8b9 |
* VDPAU hardware acceleration has two modules
* - VDPAU decoding
* - VDPAU presentation |
369122dd |
* |
5fd9c8b9 |
* The VDPAU decoding module parses all headers using FFmpeg
* parsing mechanisms and uses VDPAU for the actual decoding. |
369122dd |
*
* As per the current implementation, the actual decoding |
5fd9c8b9 |
* and rendering (API calls) are done as part of the VDPAU |
369122dd |
* presentation (vo_vdpau.c) module.
* |
adbfc605 |
* @defgroup VDPAU_Decoding VDPAU Decoding
* @ingroup Decoder |
369122dd |
* @{
*/
|
25bd48bd |
#include <vdpau/vdpau.h>
#include <vdpau/vdpau_x11.h> |
369122dd |
|
adbfc605 |
/** @brief The videoSurface is used for rendering. */ |
369122dd |
#define FF_VDPAU_STATE_USED_FOR_RENDER 1
/** |
adbfc605 |
* @brief The videoSurface is needed for reference/prediction. |
5fd9c8b9 |
* The codec manipulates this. |
369122dd |
*/
#define FF_VDPAU_STATE_USED_FOR_REFERENCE 2
/** |
686959e8 |
* @brief This structure is used as a callback between the FFmpeg |
369122dd |
* decoder (vd_) and presentation (vo_) module. |
5fd9c8b9 |
* This is used for defining a video frame containing surface,
* picture parameter, bitstream information etc which are passed
* between the FFmpeg decoder and its clients. |
369122dd |
*/ |
5fd9c8b9 |
struct vdpau_render_state {
VdpVideoSurface surface; ///< Used as rendered surface, never changed. |
369122dd |
|
5fd9c8b9 |
int state; ///< Holds FF_VDPAU_STATE_* values. |
369122dd |
|
ddb00ad1 |
/** Describe size/location of the compressed video data.
Set to 0 when freeing bitstream_buffers. */
int bitstream_buffers_allocated;
int bitstream_buffers_used;
/** The user is responsible for freeing this buffer using av_freep(). */
VdpBitstreamBuffer *bitstream_buffers;
|
5fd9c8b9 |
/** picture parameter information for all supported codecs */ |
91d553c3 |
union VdpPictureInfo { |
830628e1 |
VdpPictureInfoH264 h264;
VdpPictureInfoMPEG1Or2 mpeg;
VdpPictureInfoVC1 vc1; |
70e0c871 |
VdpPictureInfoMPEG4Part2 mpeg4; |
369122dd |
} info;
};
/* @}*/
|
373745ae |
#endif /* AVCODEC_VDPAU_H */ |