1 /*
2 * This file is part of FFmpeg.
3 *
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.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
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.
13 *
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
17 */
18
19 #ifndef AVUTIL_HWCONTEXT_QSV_H
20 #define AVUTIL_HWCONTEXT_QSV_H
21
22 #include <mfxvideo.h>
23
24 /**
25 * @file
26 * An API-specific header for AV_HWDEVICE_TYPE_QSV.
27 *
28 * AVHWFramesContext.pool must contain AVBufferRefs whose data pointer points
29 * to a mfxFrameSurface1 struct.
30 */
31
32 /**
33 * This struct is allocated as AVHWDeviceContext.hwctx
34 */
37 /**
38 * The mfxLoader handle used for mfxSession creation
39 *
40 * This field is only available for oneVPL user. For non-oneVPL user, this
41 * field must be set to NULL.
42 *
43 * Filled by the user before calling av_hwdevice_ctx_init() and should be
44 * cast to mfxLoader handle. Deallocating the AVHWDeviceContext will always
45 * release this interface.
46 */
49
50 /**
51 * This struct is allocated as AVHWFramesContext.hwctx
52 */
54 /**
55 * A pointer to a mfxFrameSurface1 struct
56 *
57 * It is available when nb_surfaces is non-zero.
58 */
60
61 /**
62 * Number of frames in the pool
63 *
64 * It is 0 for dynamic frame pools or AVHWFramesContext.initial_pool_size
65 * for fixed frame pools.
66 *
67 * Note only oneVPL GPU runtime 2.9+ can support dynamic frame pools
68 * on d3d11va or vaapi
69 */
71
72 /**
73 * A combination of MFX_MEMTYPE_* describing the frame pool.
74 */
76
77 /**
78 * A pointer to a mfxFrameInfo struct
79 *
80 * It is available when nb_surfaces is 0, all buffers allocated from the
81 * pool have the same mfxFrameInfo.
82 */
85
86 #endif /* AVUTIL_HWCONTEXT_QSV_H */
87