Libav
vdpau.h
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1 /*
2  * The Video Decode and Presentation API for UNIX (VDPAU) is used for
3  * hardware-accelerated decoding of MPEG-1/2, H.264 and VC-1.
4  *
5  * Copyright (C) 2008 NVIDIA
6  *
7  * This file is part of Libav.
8  *
9  * Libav is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * Libav is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with Libav; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22  */
23 
24 #ifndef AVCODEC_VDPAU_H
25 #define AVCODEC_VDPAU_H
26 
52 #include <vdpau/vdpau.h>
53 #include <vdpau/vdpau_x11.h>
54 
55 #include "libavutil/attributes.h"
56 
57 #include "avcodec.h"
58 #include "version.h"
59 
60 #if FF_API_BUFS_VDPAU
62  VdpPictureInfoH264 h264;
63  VdpPictureInfoMPEG1Or2 mpeg;
64  VdpPictureInfoVC1 vc1;
65  VdpPictureInfoMPEG4Part2 mpeg4;
66 };
67 #endif
68 
82 typedef struct AVVDPAUContext {
88  VdpDecoder decoder;
89 
95  VdpDecoderRender *render;
96 
97 #if FF_API_BUFS_VDPAU
98 
104  union AVVDPAUPictureInfo info;
105 
113 
121 
129  VdpBitstreamBuffer *bitstream_buffers;
130 #endif
132 
150 int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device,
151  VdpGetProcAddress *get_proc_address, unsigned flags);
152 
170 int av_vdpau_get_surface_parameters(AVCodecContext *avctx, VdpChromaType *type,
171  uint32_t *width, uint32_t *height);
172 
179 
180 #if FF_API_VDPAU_PROFILE
181 
195 int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile);
196 #endif
197 
198 #if FF_API_CAP_VDPAU
199 
200 #define FF_VDPAU_STATE_USED_FOR_RENDER 1
201 
206 #define FF_VDPAU_STATE_USED_FOR_REFERENCE 2
207 
216  VdpVideoSurface surface;
217 
218  int state;
219 
221  union AVVDPAUPictureInfo info;
222 
228  VdpBitstreamBuffer *bitstream_buffers;
229 };
230 #endif
231 
232 /* @}*/
233 
234 #endif /* AVCODEC_VDPAU_H */
VdpPictureInfoMPEG1Or2 mpeg
Definition: vdpau.h:63
attribute_deprecated VdpBitstreamBuffer * bitstream_buffers
Table of bitstream buffers.
Definition: vdpau.h:129
Macro definitions for various function/variable attributes.
int av_vdpau_get_surface_parameters(AVCodecContext *avctx, VdpChromaType *type, uint32_t *width, uint32_t *height)
Gets the parameters to create an adequate VDPAU video surface for the codec context using VDPAU hardw...
Definition: vdpau.c:63
attribute_deprecated int av_vdpau_get_profile(AVCodecContext *avctx, VdpDecoderProfile *profile)
Get a decoder profile that should be used for initializing a VDPAU decoder.
Definition: vdpau.c:317
AVVDPAUContext * av_vdpau_alloc_context(void)
Allocate an AVVDPAUContext.
Definition: vdpau.c:365
attribute_deprecated int bitstream_buffers_used
Useful bitstream buffers in the bitstream buffers table.
Definition: vdpau.h:120
static int flags
Definition: log.c:50
VdpDecoder decoder
VDPAU decoder handle.
Definition: vdpau.h:88
Libavcodec version macros.
VdpBitstreamBuffer * bitstream_buffers
The user is responsible for freeing this buffer using av_freep().
Definition: vdpau.h:228
This structure is used to share data between the libavcodec library and the client video application...
Definition: vdpau.h:82
attribute_deprecated int bitstream_buffers_allocated
Allocated size of the bitstream_buffers table.
Definition: vdpau.h:112
int av_vdpau_bind_context(AVCodecContext *avctx, VdpDevice device, VdpGetProcAddress *get_proc_address, unsigned flags)
Associate a VDPAU device with a codec context for hardware acceleration.
Definition: vdpau.c:370
VdpPictureInfoMPEG4Part2 mpeg4
Definition: vdpau.h:65
static int width
Definition: utils.c:156
Libavcodec external API header.
main external API structure.
Definition: avcodec.h:1409
int bitstream_buffers_used
Definition: vdpau.h:226
int bitstream_buffers_allocated
Describe size/location of the compressed video data.
Definition: vdpau.h:225
VdpDecoderRender * render
VDPAU decoder render callback.
Definition: vdpau.h:95
int state
Holds FF_VDPAU_STATE_* values.
Definition: vdpau.h:218
mfxU16 profile
Definition: qsvenc.c:43
#define attribute_deprecated
Definition: attributes.h:80
int height
Definition: gxfenc.c:72
VdpPictureInfoH264 h264
Definition: vdpau.h:62
This structure is used as a callback between the Libav decoder (vd_) and presentation (vo_) module...
Definition: vdpau.h:215
VdpPictureInfoVC1 vc1
Definition: vdpau.h:64
VdpVideoSurface surface
Used as rendered surface, never changed.
Definition: vdpau.h:216