mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-11-28 14:01:27 +00:00
e387c9d5dd
* qatar/master: (22 commits)
rv40dsp x86: use only one register, for both increment and loop counter
rv40dsp: implement prescaled versions for biweight.
avconv: use default channel layouts when they are unknown
avconv: parse channel layout string
nutdec: K&R formatting cosmetics
vda: Signal 4 byte NAL headers to the decoder regardless of what's in the extradata
mem: Consistently return NULL for av_malloc(0)
vf_overlay: implement poll_frame()
vf_scale: support named constants for sws flags.
lavc doxy: add all installed headers to doxy groups.
lavc doxy: add avfft to the main lavc group.
lavc doxy: add remaining avcodec.h functions to a misc doxygen group.
lavc doxy: add AVPicture functions to a doxy group.
lavc doxy: add resampling functions to a doxy group.
lavc doxy: replace \ with /
lavc doxy: add encoding functions to a doxy group.
lavc doxy: add decoding functions to a doxy group.
lavc doxy: fix formatting of AV_PKT_DATA_{PARAM_CHANGE,H263_MB_INFO}
lavc doxy: add AVPacket-related stuff to a separate doxy group.
lavc doxy: add core functions/definitions to a doxy group.
...
Conflicts:
ffmpeg.c
libavcodec/avcodec.h
libavcodec/vda.c
libavcodec/x86/rv40dsp.asm
libavfilter/vf_scale.c
libavformat/nutdec.c
libavutil/mem.c
tests/ref/acodec/pcm_s24daud
Merged-by: Michael Niedermayer <michaelni@gmx.at>
95 lines
2.9 KiB
C
95 lines
2.9 KiB
C
/*
|
|
* The Video Decode and Presentation API for UNIX (VDPAU) is used for
|
|
* hardware-accelerated decoding of 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_H
|
|
#define AVCODEC_VDPAU_H
|
|
|
|
/**
|
|
* @file
|
|
* @ingroup lavc_codec_hwaccel_vdpau
|
|
* Public libavcodec VDPAU header.
|
|
*/
|
|
|
|
|
|
/**
|
|
* @defgroup lavc_codec_hwaccel_vdpau VDPAU Decoder and Renderer
|
|
* @ingroup lavc_codec_hwaccel
|
|
*
|
|
* VDPAU hardware acceleration has two modules
|
|
* - VDPAU decoding
|
|
* - VDPAU presentation
|
|
*
|
|
* The VDPAU decoding module parses all headers using FFmpeg
|
|
* parsing mechanisms and uses VDPAU for the actual decoding.
|
|
*
|
|
* As per the current implementation, the actual decoding
|
|
* and rendering (API calls) are done as part of the VDPAU
|
|
* presentation (vo_vdpau.c) module.
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
#include <vdpau/vdpau.h>
|
|
#include <vdpau/vdpau_x11.h>
|
|
|
|
/** @brief The videoSurface is used for rendering. */
|
|
#define FF_VDPAU_STATE_USED_FOR_RENDER 1
|
|
|
|
/**
|
|
* @brief The videoSurface is needed for reference/prediction.
|
|
* The codec manipulates this.
|
|
*/
|
|
#define FF_VDPAU_STATE_USED_FOR_REFERENCE 2
|
|
|
|
/**
|
|
* @brief This structure is used as a callback between the FFmpeg
|
|
* decoder (vd_) and presentation (vo_) module.
|
|
* 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.
|
|
*/
|
|
struct vdpau_render_state {
|
|
VdpVideoSurface surface; ///< Used as rendered surface, never changed.
|
|
|
|
int state; ///< Holds FF_VDPAU_STATE_* values.
|
|
|
|
/** 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;
|
|
|
|
/** picture parameter information for all supported codecs */
|
|
union VdpPictureInfo {
|
|
VdpPictureInfoH264 h264;
|
|
VdpPictureInfoMPEG1Or2 mpeg;
|
|
VdpPictureInfoVC1 vc1;
|
|
VdpPictureInfoMPEG4Part2 mpeg4;
|
|
} info;
|
|
};
|
|
|
|
/* @}*/
|
|
|
|
#endif /* AVCODEC_VDPAU_H */
|