diff --git a/configure b/configure
index e52f8f8..f8a2487 100755
--- a/configure
+++ b/configure
@@ -3302,6 +3302,7 @@ avgblur_opencl_filter_deps="opencl"
 azmq_filter_deps="libzmq"
 blackframe_filter_deps="gpl"
 boxblur_filter_deps="gpl"
+boxblur_opencl_filter_deps="opencl"
 bs2b_filter_deps="libbs2b"
 colormatrix_filter_deps="gpl"
 convolution_opencl_filter_deps="opencl"
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index c68ef05..97afdef 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -153,6 +153,8 @@ OBJS-$(CONFIG_BLACKDETECT_FILTER)            += vf_blackdetect.o
 OBJS-$(CONFIG_BLACKFRAME_FILTER)             += vf_blackframe.o
 OBJS-$(CONFIG_BLEND_FILTER)                  += vf_blend.o framesync.o
 OBJS-$(CONFIG_BOXBLUR_FILTER)                += vf_boxblur.o
+OBJS-$(CONFIG_BOXBLUR_OPENCL_FILTER)         += vf_boxblur_opencl.o opencl.o \
+	                                        opencl/boxblur.o
 OBJS-$(CONFIG_BWDIF_FILTER)                  += vf_bwdif.o
 OBJS-$(CONFIG_CHROMAKEY_FILTER)              += vf_chromakey.o
 OBJS-$(CONFIG_CIESCOPE_FILTER)               += vf_ciescope.o
diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index b44093d..97d92a0 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -146,6 +146,7 @@ extern AVFilter ff_vf_blackdetect;
 extern AVFilter ff_vf_blackframe;
 extern AVFilter ff_vf_blend;
 extern AVFilter ff_vf_boxblur;
+extern AVFilter ff_vf_boxblur_opencl;
 extern AVFilter ff_vf_bwdif;
 extern AVFilter ff_vf_chromakey;
 extern AVFilter ff_vf_ciescope;
diff --git a/libavfilter/opencl/boxblur.cl b/libavfilter/opencl/boxblur.cl
new file mode 100644
index 0000000..9ecb441
--- /dev/null
+++ b/libavfilter/opencl/boxblur.cl
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2018 Danil Iashchenko
+ *
+ * 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
+ */
+
+__kernel void boxblur_horiz(__write_only image2d_t dst,
+                            __read_only  image2d_t src,
+                            int rad)
+{
+    const sampler_t sampler = (CLK_NORMALIZED_COORDS_FALSE |
+                               CLK_ADDRESS_CLAMP_TO_EDGE   |
+                               CLK_FILTER_NEAREST);
+
+    int2   loc = (int2)(get_global_id(0), get_global_id(1));
+    float4 acc = (float4)(0,0,0,0);
+
+    for (int w = loc.x - rad; w < loc.x + rad + 1; w++) {
+        acc += read_imagef(src, sampler, (int2)(w, loc.y));
+    }
+    write_imagef(dst, loc, acc / (rad * 2 + 1));
+}
+
+__kernel void boxblur_vertic(__write_only image2d_t dst,
+                             __read_only  image2d_t src,
+                             int radv)
+{
+    const sampler_t sampler = (CLK_NORMALIZED_COORDS_FALSE |
+                               CLK_ADDRESS_CLAMP_TO_EDGE   |
+                               CLK_FILTER_NEAREST);
+
+    int2   loc = (int2)(get_global_id(0), get_global_id(1));
+    float4 acc = (float4)(0,0,0,0);
+
+    for (int h = loc.y - radv; h < loc.y + radv + 1; h++) {
+        acc += read_imagef(src, sampler, (int2)(loc.x, h));
+    }
+    write_imagef(dst, loc, acc / (radv * 2 + 1));
+}
diff --git a/libavfilter/opencl_source.h b/libavfilter/opencl_source.h
index 4bb9969..2e09770 100644
--- a/libavfilter/opencl_source.h
+++ b/libavfilter/opencl_source.h
@@ -20,6 +20,7 @@
 #define AVFILTER_OPENCL_SOURCE_H
 
 extern const char *ff_opencl_source_avgblur;
+extern const char *ff_opencl_source_boxblur;
 extern const char *ff_opencl_source_convolution;
 extern const char *ff_opencl_source_overlay;
 extern const char *ff_opencl_source_unsharp;
diff --git a/libavfilter/vf_boxblur_opencl.c b/libavfilter/vf_boxblur_opencl.c
new file mode 100644
index 0000000..d46fb0f
--- /dev/null
+++ b/libavfilter/vf_boxblur_opencl.c
@@ -0,0 +1,468 @@
+/*
+ * Copyright (c) 2018 Danil Iashchenko
+ *
+ * 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
+ */
+
+#include "libavutil/common.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/mem.h"
+#include "libavutil/opt.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/avstring.h"
+#include "libavutil/eval.h"
+
+
+#include "avfilter.h"
+#include "internal.h"
+#include "opencl.h"
+#include "opencl_source.h"
+#include "video.h"
+
+
+static const char *const var_names[] = {
+    "w",
+    "h",
+    "cw",
+    "ch",
+    "hsub",
+    "vsub",
+    NULL
+};
+
+
+enum var_name {
+    VAR_W,
+    VAR_H,
+    VAR_CW,
+    VAR_CH,
+    VAR_HSUB,
+    VAR_VSUB,
+    VARS_NB
+};
+
+
+typedef struct FilterParam {
+    int   radius;
+    int   power;
+    char *radius_expr;
+} FilterParam;
+
+
+typedef struct BoxBlurOpenCLContext {
+    OpenCLFilterContext ocf;
+
+    int              initialised;
+    cl_kernel        kernel_horiz;
+    cl_kernel        kernel_vertic;
+    cl_command_queue command_queue;
+
+    FilterParam luma_param;
+    FilterParam chroma_param;
+    FilterParam alpha_param;
+
+    int hsub, vsub;
+    int radius[4];
+    int power[4];
+} BoxBlurOpenCLContext;
+
+
+#define Y 0
+#define U 1
+#define V 2
+#define A 3
+
+
+static int boxblur_opencl_init(AVFilterContext *avctx)
+{
+    BoxBlurOpenCLContext *ctx = avctx->priv;
+    cl_int cle;
+    int err;
+
+    err = ff_opencl_filter_load_program(avctx, &ff_opencl_source_boxblur, 1);
+    if (err < 0)
+        goto fail;
+
+    ctx->command_queue = clCreateCommandQueue(ctx->ocf.hwctx->context,
+                                              ctx->ocf.hwctx->device_id,
+                                              0, &cle);
+    if (!ctx->command_queue) {
+        av_log(avctx, AV_LOG_ERROR, "Failed to create OpenCL "
+               "command queue: %d.\n", cle);
+        err = AVERROR(EIO);
+        goto fail;
+    }
+
+    ctx->kernel_horiz = clCreateKernel(ctx->ocf.program, "boxblur_horiz", &cle);
+    if (!ctx->kernel_horiz) {
+        av_log(avctx, AV_LOG_ERROR, "Failed to create kernel: %d.\n", cle);
+        err = AVERROR(EIO);
+        goto fail;
+    }
+    ctx->kernel_vertic = clCreateKernel(ctx->ocf.program, "boxblur_vertic", &cle);
+    if (!ctx->kernel_vertic) {
+        av_log(avctx, AV_LOG_ERROR, "Failed to create kernel: %d.\n", cle);
+        err = AVERROR(EIO);
+        goto fail;
+    }
+
+    ctx->initialised = 1;
+    return 0;
+
+fail:
+    if (ctx->command_queue)
+        clReleaseCommandQueue(ctx->command_queue);
+    if (ctx->kernel_horiz)
+        clReleaseKernel(ctx->kernel_horiz);
+    if (ctx->kernel_vertic)
+        clReleaseKernel(ctx->kernel_vertic);
+    return err;
+}
+
+
+static int boxblur_opencl_make_filter_params(AVFilterLink *inlink)
+{
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
+    AVFilterContext    *ctx = inlink->dst;
+    BoxBlurOpenCLContext *s = ctx->priv;
+    int w = inlink->w, h = inlink->h;
+    int cw, ch;
+    double var_values[VARS_NB], res;
+    char *expr;
+    int ret;
+
+    if (!s->luma_param.radius_expr) {
+        av_log(s, AV_LOG_ERROR, "Luma radius expression is not set.\n");
+        return AVERROR(EINVAL);
+    }
+
+    /* fill missing params */
+    if (!s->chroma_param.radius_expr) {
+        s->chroma_param.radius_expr = av_strdup(s->luma_param.radius_expr);
+        if (!s->chroma_param.radius_expr)
+            return AVERROR(ENOMEM);
+    }
+    if (s->chroma_param.power < 0)
+        s->chroma_param.power = s->luma_param.power;
+
+    if (!s->alpha_param.radius_expr) {
+        s->alpha_param.radius_expr = av_strdup(s->luma_param.radius_expr);
+        if (!s->alpha_param.radius_expr)
+            return AVERROR(ENOMEM);
+    }
+    if (s->alpha_param.power < 0)
+        s->alpha_param.power = s->luma_param.power;
+
+    s->hsub = desc->log2_chroma_w;
+    s->vsub = desc->log2_chroma_h;
+
+    var_values[VAR_W]       = inlink->w;
+    var_values[VAR_H]       = inlink->h;
+    var_values[VAR_CW] = cw = w>>s->hsub;
+    var_values[VAR_CH] = ch = h>>s->vsub;
+    var_values[VAR_HSUB]    = 1<<s->hsub;
+    var_values[VAR_VSUB]    = 1<<s->vsub;
+
+#define EVAL_RADIUS_EXPR(comp)                                          \
+    expr = s->comp##_param.radius_expr;                                 \
+    ret = av_expr_parse_and_eval(&res, expr, var_names, var_values,     \
+                                 NULL, NULL, NULL, NULL, NULL, 0, ctx); \
+    s->comp##_param.radius = res;                                       \
+    if (ret < 0) {                                                      \
+        av_log(NULL, AV_LOG_ERROR,                                      \
+               "Error when evaluating " #comp " radius expression '%s'\n", expr); \
+        return ret;                                                     \
+    }
+    EVAL_RADIUS_EXPR(luma);
+    EVAL_RADIUS_EXPR(chroma);
+    EVAL_RADIUS_EXPR(alpha);
+
+    av_log(ctx, AV_LOG_VERBOSE,
+           "luma_radius:%d luma_power:%d "
+           "chroma_radius:%d chroma_power:%d "
+           "alpha_radius:%d alpha_power:%d "
+           "w:%d chroma_w:%d h:%d chroma_h:%d\n",
+           s->luma_param  .radius, s->luma_param  .power,
+           s->chroma_param.radius, s->chroma_param.power,
+           s->alpha_param .radius, s->alpha_param .power,
+           w, cw, h, ch);
+
+#define CHECK_RADIUS_VAL(w_, h_, comp)                                  \
+    if (s->comp##_param.radius < 0 ||                                   \
+        2*s->comp##_param.radius > FFMIN(w_, h_)) {                     \
+        av_log(ctx, AV_LOG_ERROR,                                       \
+               "Invalid " #comp " radius value %d, must be >= 0 and <= %d\n", \
+               s->comp##_param.radius, FFMIN(w_, h_)/2);                \
+        return AVERROR(EINVAL);                                         \
+    }
+    CHECK_RADIUS_VAL(w,  h,  luma);
+    CHECK_RADIUS_VAL(cw, ch, chroma);
+    CHECK_RADIUS_VAL(w,  h,  alpha);
+
+    s->radius[Y] = s->luma_param.radius;
+    s->radius[U] = s->radius[V] = s->chroma_param.radius;
+    s->radius[A] = s->alpha_param.radius;
+
+    s->power[Y] = s->luma_param.power;
+    s->power[U] = s->power[V] = s->chroma_param.power;
+    s->power[A] = s->alpha_param.power;
+
+    return 0;
+}
+
+
+static int boxblur_opencl_filter_frame(AVFilterLink *inlink, AVFrame *input)
+{
+    AVFilterContext *avctx = inlink->dst;
+    AVFilterLink *outlink = avctx->outputs[0];
+    BoxBlurOpenCLContext *ctx = avctx->priv;
+    AVFrame *output = NULL;
+    AVFrame *intermediate = NULL;
+    cl_int cle;
+    size_t global_work[2];
+    cl_mem src, dst, inter;
+    int err, p, i;
+
+    av_log(ctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n",
+           av_get_pix_fmt_name(input->format),
+           input->width, input->height, input->pts);
+
+    if (!input->hw_frames_ctx)
+        return AVERROR(EINVAL);
+
+    if (!ctx->initialised) {
+        err = boxblur_opencl_init(avctx);
+        if (err < 0)
+            goto fail;
+
+        err = boxblur_opencl_make_filter_params(inlink);
+        if (err < 0)
+            goto fail;
+    }
+
+    output = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+    if (!output) {
+        err = AVERROR(ENOMEM);
+        goto fail;
+    }
+    intermediate = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+    if (!intermediate) {
+        err = AVERROR(ENOMEM);
+        goto fail;
+    }
+
+    for (p = 0; p < FF_ARRAY_ELEMS(output->data); p++) {
+        src   = (cl_mem) input->data[p];
+        dst   = (cl_mem) output->data[p];
+        inter = (cl_mem) intermediate->data[p];
+
+        if (!dst)
+            break;
+
+        err = ff_opencl_filter_work_size_from_image(avctx, global_work, intermediate, p, 0);
+        if (err < 0)
+            goto fail;
+
+        av_log(avctx, AV_LOG_DEBUG, "Run kernel on plane %d "
+               "(%"SIZE_SPECIFIER"x%"SIZE_SPECIFIER").\n",
+               p, global_work[0], global_work[1]);
+
+        cle = clSetKernelArg(ctx->kernel_horiz, 2, sizeof(cl_int), &ctx->radius[p]);
+        if (cle != CL_SUCCESS) {
+            av_log(avctx, AV_LOG_ERROR, "Failed to set kernel_horiz "
+                   "radius argument: %d.\n", cle);
+            goto fail;
+        }
+
+        for (i = 0; i < ctx->power[p]; i++) {
+            cle = clSetKernelArg(ctx->kernel_horiz, 0, sizeof(cl_mem), &inter);
+            if (cle != CL_SUCCESS) {
+                av_log(avctx, AV_LOG_ERROR, "Failed to set kernel_horiz "
+                       "destination image argument: %d.\n", cle);
+                goto fail;
+            }
+            cle = clSetKernelArg(ctx->kernel_horiz, 1, sizeof(cl_mem), &src);
+            if (cle != CL_SUCCESS) {
+                av_log(avctx, AV_LOG_ERROR, "Failed to set kernel_horiz "
+                       "source image argument: %d.\n", cle);
+                goto fail;
+            }
+            cle = clEnqueueNDRangeKernel(ctx->command_queue, ctx->kernel_horiz, 2, NULL,
+                                         global_work, NULL,
+                                         0, NULL, NULL);
+            if (cle != CL_SUCCESS) {
+                av_log(avctx, AV_LOG_ERROR, "Failed to enqueue kernel: %d.\n",
+                       cle);
+                err = AVERROR(EIO);
+                goto fail;
+            }
+            src = inter;
+        }
+
+        err = ff_opencl_filter_work_size_from_image(avctx, global_work, output, p, 0);
+        if (err < 0)
+            goto fail;
+
+        av_log(avctx, AV_LOG_DEBUG, "Run kernel on plane %d "
+               "(%"SIZE_SPECIFIER"x%"SIZE_SPECIFIER").\n",
+               p, global_work[0], global_work[1]);
+
+        cle = clSetKernelArg(ctx->kernel_vertic, 2, sizeof(cl_int), &ctx->radius[p]);
+        if (cle != CL_SUCCESS) {
+            av_log(avctx, AV_LOG_ERROR, "Failed to set kernel_vertic "
+                   "radius argument: %d.\n", cle);
+            goto fail;
+        }
+
+        for (i = 0; i < ctx->power[p]; i++) {
+            cle = clSetKernelArg(ctx->kernel_vertic, 0, sizeof(cl_mem), &dst);
+            if (cle != CL_SUCCESS) {
+                av_log(avctx, AV_LOG_ERROR, "Failed to set kernel_vertic "
+                       "destination image argument: %d.\n", cle);
+                goto fail;
+            }
+            cle = clSetKernelArg(ctx->kernel_vertic, 1, sizeof(cl_mem), &inter);
+            if (cle != CL_SUCCESS) {
+                av_log(avctx, AV_LOG_ERROR, "Failed to set kernel_vertic "
+                       "source image argument: %d.\n", cle);
+                goto fail;
+            }
+            cle = clEnqueueNDRangeKernel(ctx->command_queue, ctx->kernel_vertic, 2, NULL,
+                                         global_work, NULL,
+                                         0, NULL, NULL);
+            if (cle != CL_SUCCESS) {
+                av_log(avctx, AV_LOG_ERROR, "Failed to enqueue kernel: %d.\n",
+                       cle);
+                err = AVERROR(EIO);
+                goto fail;
+            }
+            inter = dst;
+        }
+
+    }
+
+    cle = clFinish(ctx->command_queue);
+    if (cle != CL_SUCCESS) {
+        av_log(avctx, AV_LOG_ERROR, "Failed to finish command queue: %d.\n",
+               cle);
+        err = AVERROR(EIO);
+        goto fail;
+    }
+
+    err = av_frame_copy_props(output, input);
+    if (err < 0)
+        goto fail;
+
+    av_frame_free(&input);
+    av_frame_free(&intermediate);
+
+    av_log(ctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
+           av_get_pix_fmt_name(output->format),
+           output->width, output->height, output->pts);
+
+    return ff_filter_frame(outlink, output);
+
+fail:
+    clFinish(ctx->command_queue);
+    av_frame_free(&input);
+    av_frame_free(&output);
+    av_frame_free(&intermediate);
+    return err;
+}
+
+static av_cold void boxblur_opencl_uninit(AVFilterContext *avctx)
+{
+    BoxBlurOpenCLContext *ctx = avctx->priv;
+    cl_int cle;
+
+    if (ctx->kernel_horiz) {
+        cle = clReleaseKernel(ctx->kernel_horiz);
+        if (cle != CL_SUCCESS)
+            av_log(avctx, AV_LOG_ERROR, "Failed to release "
+                   "kernel: %d.\n", cle);
+    }
+    if (ctx->kernel_vertic) {
+        cle = clReleaseKernel(ctx->kernel_vertic);
+        if (cle != CL_SUCCESS)
+            av_log(avctx, AV_LOG_ERROR, "Failed to release "
+                   "kernel: %d.\n", cle);
+    }
+
+    if (ctx->command_queue) {
+        cle = clReleaseCommandQueue(ctx->command_queue);
+        if (cle != CL_SUCCESS)
+            av_log(avctx, AV_LOG_ERROR, "Failed to release "
+                   "command queue: %d.\n", cle);
+    }
+
+    ff_opencl_filter_uninit(avctx);
+}
+
+#define OFFSET(x) offsetof(BoxBlurOpenCLContext, x)
+#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
+static const AVOption boxblur_opencl_options[] = {
+    { "luma_radius", "Radius of the luma blurring box", OFFSET(luma_param.radius_expr), AV_OPT_TYPE_STRING, {.str="2"}, .flags = FLAGS },
+    { "lr",          "Radius of the luma blurring box", OFFSET(luma_param.radius_expr), AV_OPT_TYPE_STRING, {.str="2"}, .flags = FLAGS },
+    { "luma_power",  "How many times should the boxblur be applied to luma",  OFFSET(luma_param.power), AV_OPT_TYPE_INT, {.i64=2}, 0, INT_MAX, .flags = FLAGS },
+    { "lp",          "How many times should the boxblur be applied to luma",  OFFSET(luma_param.power), AV_OPT_TYPE_INT, {.i64=2}, 0, INT_MAX, .flags = FLAGS },
+
+    { "chroma_radius", "Radius of the chroma blurring box", OFFSET(chroma_param.radius_expr), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
+    { "cr",            "Radius of the chroma blurring box", OFFSET(chroma_param.radius_expr), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
+    { "chroma_power",  "How many times should the boxblur be applied to chroma",  OFFSET(chroma_param.power), AV_OPT_TYPE_INT, {.i64=-1}, -1, INT_MAX, .flags = FLAGS },
+    { "cp",            "How many times should the boxblur be applied to chroma",  OFFSET(chroma_param.power), AV_OPT_TYPE_INT, {.i64=-1}, -1, INT_MAX, .flags = FLAGS },
+
+    { "alpha_radius", "Radius of the alpha blurring box", OFFSET(alpha_param.radius_expr), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
+    { "ar",           "Radius of the alpha blurring box", OFFSET(alpha_param.radius_expr), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
+    { "alpha_power",  "How many times should the boxblur be applied to alpha",  OFFSET(alpha_param.power), AV_OPT_TYPE_INT, {.i64=-1}, -1, INT_MAX, .flags = FLAGS },
+    { "ap",           "How many times should the boxblur be applied to alpha",  OFFSET(alpha_param.power), AV_OPT_TYPE_INT, {.i64=-1}, -1, INT_MAX, .flags = FLAGS },
+
+    { NULL }
+};
+
+AVFILTER_DEFINE_CLASS(boxblur_opencl);
+
+static const AVFilterPad boxblur_opencl_inputs[] = {
+    {
+        .name         = "default",
+        .type         = AVMEDIA_TYPE_VIDEO,
+        .filter_frame = &boxblur_opencl_filter_frame,
+        .config_props = &ff_opencl_filter_config_input,
+    },
+    { NULL }
+};
+
+static const AVFilterPad boxblur_opencl_outputs[] = {
+    {
+        .name         = "default",
+        .type         = AVMEDIA_TYPE_VIDEO,
+        .config_props = &ff_opencl_filter_config_output,
+    },
+    { NULL }
+};
+
+AVFilter ff_vf_boxblur_opencl = {
+    .name           = "boxblur_opencl",
+    .description    = NULL_IF_CONFIG_SMALL("Apply boxblur filter to input video"),
+    .priv_size      = sizeof(BoxBlurOpenCLContext),
+    .priv_class     = &boxblur_opencl_class,
+    .init           = &ff_opencl_filter_init,
+    .uninit         = &boxblur_opencl_uninit,
+    .query_formats  = &ff_opencl_filter_query_formats,
+    .inputs         = boxblur_opencl_inputs,
+    .outputs        = boxblur_opencl_outputs,
+    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
+};
