mirror of https://github.com/FFmpeg/FFmpeg.git
Mark Thompson
8 years ago
parent
a050f56c09
commit
b25d8ef0a7
9 changed files with 1414 additions and 3 deletions
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,96 @@ |
||||
/*
|
||||
* 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 |
||||
|
||||
#include <CL/cl.h> |
||||
|
||||
#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 */ |
||||
Loading…
Reference in new issue