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FFmpeg/libavutil/hwcontext_qsv.h
Haihao Xiang 4c0bb7d4a9 lavu/hwcontext_qsv: update AVQSVFramesContext to support dynamic frame pool
Add AVQSVFramesContext.info and update the description.

Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
2024-05-20 09:30:48 +08:00

88 lines
2.5 KiB
C

/*
* 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 */