vaapi.h
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1 /*
2  * Video Acceleration API (shared data between Libav and the video player)
3  * HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1
4  *
5  * Copyright (C) 2008-2009 Splitted-Desktop Systems
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_VAAPI_H
25 #define AVCODEC_VAAPI_H
26 
27 #include <stdint.h>
28 
44 struct vaapi_context {
51  void *display;
52 
59  uint32_t config_id;
60 
67  uint32_t context_id;
68 
75  uint32_t pic_param_buf_id;
76 
83  uint32_t iq_matrix_buf_id;
84 
91  uint32_t bitplane_buf_id;
92 
99  uint32_t *slice_buf_ids;
100 
107  unsigned int n_slice_buf_ids;
108 
115  unsigned int slice_buf_ids_alloc;
116 
124 
131  unsigned int slice_param_size;
132 
139  unsigned int slice_params_alloc;
140 
147  unsigned int slice_count;
148 
154  const uint8_t *slice_data;
155 
162  uint32_t slice_data_size;
163 };
164 
165 /* @} */
166 
167 #endif /* AVCODEC_VAAPI_H */
const uint8_t * slice_data
Pointer to slice data buffer base.
Definition: vaapi.h:154
uint32_t iq_matrix_buf_id
VAIQMatrixBuffer ID.
Definition: vaapi.h:83
uint32_t bitplane_buf_id
VABitPlaneBuffer ID (for VC-1 decoding)
Definition: vaapi.h:91
uint32_t context_id
Context ID (video decode pipeline)
Definition: vaapi.h:67
This structure is used to share data between the Libav library and the client video application...
Definition: vaapi.h:44
unsigned int slice_params_alloc
Size of pre-allocated slice_params.
Definition: vaapi.h:139
uint32_t slice_data_size
Current size of slice data.
Definition: vaapi.h:162
unsigned int slice_param_size
Size of a VASliceParameterBuffer element.
Definition: vaapi.h:131
void * display
Window system dependent data.
Definition: vaapi.h:51
uint32_t * slice_buf_ids
Slice parameter/data buffer IDs.
Definition: vaapi.h:99
unsigned int slice_count
Number of slices currently filled in.
Definition: vaapi.h:147
unsigned int slice_buf_ids_alloc
Size of pre-allocated slice_buf_ids.
Definition: vaapi.h:115
unsigned int n_slice_buf_ids
Number of effective slice buffer IDs to send to the HW.
Definition: vaapi.h:107
void * slice_params
Pointer to VASliceParameterBuffers.
Definition: vaapi.h:123
uint32_t pic_param_buf_id
VAPictureParameterBuffer ID.
Definition: vaapi.h:75
uint32_t config_id
Configuration ID.
Definition: vaapi.h:59