mirror of
https://github.com/xiaoyifang/goldendict-ng.git
synced 2024-12-18 11:34:05 +00:00
101 lines
3 KiB
C
101 lines
3 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_OPENCL_H
|
||
|
#define AVUTIL_HWCONTEXT_OPENCL_H
|
||
|
|
||
|
#ifdef __APPLE__
|
||
|
#include <OpenCL/cl.h>
|
||
|
#else
|
||
|
#include <CL/cl.h>
|
||
|
#endif
|
||
|
|
||
|
#include "frame.h"
|
||
|
|
||
|
/**
|
||
|
* @file
|
||
|
* API-specific header for AV_HWDEVICE_TYPE_OPENCL.
|
||
|
*
|
||
|
* Pools allocated internally are always dynamic, and are primarily intended
|
||
|
* to be used in OpenCL-only cases. If interoperation is required, it is
|
||
|
* typically required to allocate frames in the other API and then map the
|
||
|
* frames context to OpenCL with av_hwframe_ctx_create_derived().
|
||
|
*/
|
||
|
|
||
|
/**
|
||
|
* OpenCL frame descriptor for pool allocation.
|
||
|
*
|
||
|
* In user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs
|
||
|
* with the data pointer pointing at an object of this type describing the
|
||
|
* planes of the frame.
|
||
|
*/
|
||
|
typedef struct AVOpenCLFrameDescriptor {
|
||
|
/**
|
||
|
* Number of planes in the frame.
|
||
|
*/
|
||
|
int nb_planes;
|
||
|
/**
|
||
|
* OpenCL image2d objects for each plane of the frame.
|
||
|
*/
|
||
|
cl_mem planes[AV_NUM_DATA_POINTERS];
|
||
|
} AVOpenCLFrameDescriptor;
|
||
|
|
||
|
/**
|
||
|
* OpenCL device details.
|
||
|
*
|
||
|
* Allocated as AVHWDeviceContext.hwctx
|
||
|
*/
|
||
|
typedef struct AVOpenCLDeviceContext {
|
||
|
/**
|
||
|
* The primary device ID of the device. If multiple OpenCL devices
|
||
|
* are associated with the context then this is the one which will
|
||
|
* be used for all operations internal to FFmpeg.
|
||
|
*/
|
||
|
cl_device_id device_id;
|
||
|
/**
|
||
|
* The OpenCL context which will contain all operations and frames on
|
||
|
* this device.
|
||
|
*/
|
||
|
cl_context context;
|
||
|
/**
|
||
|
* The default command queue for this device, which will be used by all
|
||
|
* frames contexts which do not have their own command queue. If not
|
||
|
* intialised by the user, a default queue will be created on the
|
||
|
* primary device.
|
||
|
*/
|
||
|
cl_command_queue command_queue;
|
||
|
} AVOpenCLDeviceContext;
|
||
|
|
||
|
/**
|
||
|
* OpenCL-specific data associated with a frame pool.
|
||
|
*
|
||
|
* Allocated as AVHWFramesContext.hwctx.
|
||
|
*/
|
||
|
typedef struct AVOpenCLFramesContext {
|
||
|
/**
|
||
|
* The command queue used for internal asynchronous operations on this
|
||
|
* device (av_hwframe_transfer_data(), av_hwframe_map()).
|
||
|
*
|
||
|
* If this is not set, the command queue from the associated device is
|
||
|
* used instead.
|
||
|
*/
|
||
|
cl_command_queue command_queue;
|
||
|
} AVOpenCLFramesContext;
|
||
|
|
||
|
#endif /* AVUTIL_HWCONTEXT_OPENCL_H */
|