FFmpeg
hwcontext_qsv.h
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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  * This API does not support dynamic frame pools. AVHWFramesContext.pool must
29  * contain AVBufferRefs whose data pointer points to an mfxFrameSurface1 struct.
30  */
31 
32 /**
33  * This struct is allocated as AVHWDeviceContext.hwctx
34  */
35 typedef struct AVQSVDeviceContext {
36  mfxSession session;
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  */
47  void *loader;
49 
50 /**
51  * This struct is allocated as AVHWFramesContext.hwctx
52  */
53 typedef struct AVQSVFramesContext {
54  mfxFrameSurface1 *surfaces;
56 
57  /**
58  * A combination of MFX_MEMTYPE_* describing the frame pool.
59  */
62 
63 #endif /* AVUTIL_HWCONTEXT_QSV_H */
64 
AVQSVFramesContext::frame_type
int frame_type
A combination of MFX_MEMTYPE_* describing the frame pool.
Definition: hwcontext_qsv.h:60
AVQSVDeviceContext
This struct is allocated as AVHWDeviceContext.hwctx.
Definition: hwcontext_qsv.h:35
AVQSVFramesContext::surfaces
mfxFrameSurface1 * surfaces
Definition: hwcontext_qsv.h:54
AVQSVDeviceContext::loader
void * loader
The mfxLoader handle used for mfxSession creation.
Definition: hwcontext_qsv.h:47
AVQSVFramesContext::nb_surfaces
int nb_surfaces
Definition: hwcontext_qsv.h:55
AVQSVDeviceContext::session
mfxSession session
Definition: hwcontext_qsv.h:36
AVQSVFramesContext
This struct is allocated as AVHWFramesContext.hwctx.
Definition: hwcontext_qsv.h:53