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diff --git a/dependencies/include/libavutil/hwcontext_opencl.h b/dependencies/include/libavutil/hwcontext_opencl.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_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 */