2 * This file is part of FFmpeg.
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #ifndef AVUTIL_HWCONTEXT_VAAPI_H
20 #define AVUTIL_HWCONTEXT_VAAPI_H
26 * API-specific header for AV_HWDEVICE_TYPE_VAAPI.
28 * Dynamic frame pools are supported, but note that any pool used as a render
29 * target is required to be of fixed size in order to be be usable as an
30 * argument to vaCreateContext().
32 * For user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs
33 * with the data pointer set to a VASurfaceID.
37 * VAAPI connection details.
39 * Allocated as AVHWDeviceContext.hwctx
41 typedef struct AVVAAPIDeviceContext {
43 * The VADisplay handle, to be filled by the user.
46 } AVVAAPIDeviceContext;
49 * VAAPI-specific data associated with a frame pool.
51 * Allocated as AVHWFramesContext.hwctx.
53 typedef struct AVVAAPIFramesContext {
55 * Set by the user to apply surface attributes to all surfaces in
56 * the frame pool. If null, default settings are used.
58 VASurfaceAttrib *attributes;
61 * The surfaces IDs of all surfaces in the pool after creation.
62 * Only valid if AVHWFramesContext.initial_pool_size was positive.
63 * These are intended to be used as the render_targets arguments to
66 VASurfaceID *surface_ids;
68 } AVVAAPIFramesContext;
71 * VAAPI hardware pipeline configuration details.
73 * Allocated with av_hwdevice_hwconfig_alloc().
75 typedef struct AVVAAPIHWConfig {
77 * ID of a VAAPI pipeline configuration.
82 #endif /* AVUTIL_HWCONTEXT_VAAPI_H */