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100 lines
3.0 KiB
100 lines
3.0 KiB
/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVUTIL_HWCONTEXT_OPENCL_H |
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#define AVUTIL_HWCONTEXT_OPENCL_H |
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#ifdef __APPLE__ |
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#include <OpenCL/cl.h> |
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#else |
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#include <CL/cl.h> |
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#endif |
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#include "frame.h" |
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/** |
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* @file |
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* API-specific header for AV_HWDEVICE_TYPE_OPENCL. |
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* |
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* Pools allocated internally are always dynamic, and are primarily intended |
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* to be used in OpenCL-only cases. If interoperation is required, it is |
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* typically required to allocate frames in the other API and then map the |
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* frames context to OpenCL with av_hwframe_ctx_create_derived(). |
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*/ |
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/** |
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* OpenCL frame descriptor for pool allocation. |
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* |
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* In user-allocated pools, AVHWFramesContext.pool must return AVBufferRefs |
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* with the data pointer pointing at an object of this type describing the |
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* planes of the frame. |
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*/ |
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typedef struct AVOpenCLFrameDescriptor { |
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/** |
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* Number of planes in the frame. |
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*/ |
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int nb_planes; |
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/** |
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* OpenCL image2d objects for each plane of the frame. |
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*/ |
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cl_mem planes[AV_NUM_DATA_POINTERS]; |
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} AVOpenCLFrameDescriptor; |
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/** |
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* OpenCL device details. |
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* |
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* Allocated as AVHWDeviceContext.hwctx |
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*/ |
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typedef struct AVOpenCLDeviceContext { |
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/** |
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* The primary device ID of the device. If multiple OpenCL devices |
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* are associated with the context then this is the one which will |
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* be used for all operations internal to FFmpeg. |
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*/ |
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cl_device_id device_id; |
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/** |
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* The OpenCL context which will contain all operations and frames on |
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* this device. |
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*/ |
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cl_context context; |
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/** |
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* The default command queue for this device, which will be used by all |
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* frames contexts which do not have their own command queue. If not |
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* intialised by the user, a default queue will be created on the |
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* primary device. |
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*/ |
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cl_command_queue command_queue; |
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} AVOpenCLDeviceContext; |
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/** |
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* OpenCL-specific data associated with a frame pool. |
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* |
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* Allocated as AVHWFramesContext.hwctx. |
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*/ |
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typedef struct AVOpenCLFramesContext { |
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/** |
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* The command queue used for internal asynchronous operations on this |
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* device (av_hwframe_transfer_data(), av_hwframe_map()). |
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* |
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* If this is not set, the command queue from the associated device is |
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* used instead. |
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*/ |
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cl_command_queue command_queue; |
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} AVOpenCLFramesContext; |
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#endif /* AVUTIL_HWCONTEXT_OPENCL_H */
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