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hwcontext_qsv.h
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/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_HWCONTEXT_QSV_H
#define AVUTIL_HWCONTEXT_QSV_H
#include <mfxvideo.h>
/**
* @file
* An API-specific header for AV_HWDEVICE_TYPE_QSV.
*
* AVHWFramesContext.pool must contain AVBufferRefs whose data pointer points
* to a mfxFrameSurface1 struct.
*/
/**
* This struct is allocated as AVHWDeviceContext.hwctx
*/
typedef struct AVQSVDeviceContext {
mfxSession session;
/**
* The mfxLoader handle used for mfxSession creation
*
* This field is only available for oneVPL user. For non-oneVPL user, this
* field must be set to NULL.
*
* Filled by the user before calling av_hwdevice_ctx_init() and should be
* cast to mfxLoader handle. Deallocating the AVHWDeviceContext will always
* release this interface.
*/
void *loader;
} AVQSVDeviceContext;
/**
* This struct is allocated as AVHWFramesContext.hwctx
*/
typedef struct AVQSVFramesContext {
/**
* A pointer to a mfxFrameSurface1 struct
*
* It is available when nb_surfaces is non-zero.
*/
mfxFrameSurface1 *surfaces;
/**
* Number of frames in the pool
*
* It is 0 for dynamic frame pools or AVHWFramesContext.initial_pool_size
* for fixed frame pools.
*
* Note only oneVPL GPU runtime 2.9+ can support dynamic frame pools
* on d3d11va or vaapi
*/
int nb_surfaces;
/**
* A combination of MFX_MEMTYPE_* describing the frame pool.
*/
int frame_type;
/**
* A pointer to a mfxFrameInfo struct
*
* It is available when nb_surfaces is 0, all buffers allocated from the
* pool have the same mfxFrameInfo.
*/
mfxFrameInfo *info;
} AVQSVFramesContext;
#endif /* AVUTIL_HWCONTEXT_QSV_H */
AVQSVDeviceContext
This struct is allocated as AVHWDeviceContext.hwctx.
Definition hwcontext_qsv.h:35
AVQSVDeviceContext::loader
void * loader
The mfxLoader handle used for mfxSession creation.
Definition hwcontext_qsv.h:47
AVQSVDeviceContext::session
mfxSession session
Definition hwcontext_qsv.h:36
AVQSVFramesContext
This struct is allocated as AVHWFramesContext.hwctx.
Definition hwcontext_qsv.h:53
AVQSVFramesContext::surfaces
mfxFrameSurface1 * surfaces
A pointer to a mfxFrameSurface1 struct.
Definition hwcontext_qsv.h:59
AVQSVFramesContext::nb_surfaces
int nb_surfaces
Number of frames in the pool.
Definition hwcontext_qsv.h:70
AVQSVFramesContext::frame_type
int frame_type
A combination of MFX_MEMTYPE_* describing the frame pool.
Definition hwcontext_qsv.h:75
AVQSVFramesContext::info
mfxFrameInfo * info
A pointer to a mfxFrameInfo struct.
Definition hwcontext_qsv.h:83