diff --git a/configure b/configure
index a38b2cc4dd..9ef7ad37df 100755
--- a/configure
+++ b/configure
@@ -3195,7 +3195,6 @@ deinterlace_qsv_filter_deps="libmfx"
 deinterlace_vaapi_filter_deps="vaapi"
 delogo_filter_deps="gpl"
 deshake_filter_select="pixelutils"
-deshake_filter_suggest="opencl"
 drawtext_filter_deps="libfreetype"
 drawtext_filter_suggest="libfontconfig libfribidi"
 elbg_filter_deps="avcodec"
@@ -3272,7 +3271,6 @@ tinterlace_pad_test_deps="tinterlace_filter"
 tonemap_filter_deps="const_nan"
 unsharp_opencl_filter_deps="opencl"
 uspp_filter_deps="gpl avcodec"
-unsharp_filter_suggest="opencl"
 vaguedenoiser_filter_deps="gpl"
 vidstabdetect_filter_deps="libvidstab"
 vidstabtransform_filter_deps="libvidstab"
diff --git a/doc/APIchanges b/doc/APIchanges
index cf8b28d820..c3a46376be 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -15,6 +15,9 @@ libavutil:     2017-10-21
 
 API changes, most recent first:
 
+2017-xx-xx - xxxxxxx - lavu 55.n+1.0 - opencl.h
+  Remove experiental OpenCL API (av_opencl_*).
+
 2017-xx-xx - xxxxxxx - lavu 55.n+1.0 - hwcontext.h hwcontext_opencl.h
   Add AV_HWDEVICE_TYPE_OPENCL and a new installed header with
   OpenCL-specific hwcontext definitions.
diff --git a/doc/filters.texi b/doc/filters.texi
index 4a35c44c7b..c6175fd3a4 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -6887,10 +6887,6 @@ Default value is @samp{exhaustive}.
 If set then a detailed log of the motion search is written to the
 specified file.
 
-@item opencl
-If set to 1, specify using OpenCL capabilities, only available if
-FFmpeg was configured with @code{--enable-opencl}. Default value is 0.
-
 @end table
 
 @section despill
@@ -15022,10 +15018,6 @@ sharpen it, a value of zero will disable the effect.
 
 Default value is 0.0.
 
-@item opencl
-If set to 1, specify using OpenCL capabilities, only available if
-FFmpeg was configured with @code{--enable-opencl}. Default value is 0.
-
 @end table
 
 All parameters are optional and default to the equivalent of the
diff --git a/doc/utils.texi b/doc/utils.texi
index e635118565..d55dd315c3 100644
--- a/doc/utils.texi
+++ b/doc/utils.texi
@@ -1057,33 +1057,3 @@ indication of the corresponding powers of 10 and of 2.
 @end table
 
 @c man end EXPRESSION EVALUATION
-
-@chapter OpenCL Options
-@c man begin OPENCL OPTIONS
-
-When FFmpeg is configured with @code{--enable-opencl}, it is possible
-to set the options for the global OpenCL context.
-
-The list of supported options follows:
-
-@table @option
-@item build_options
-Set build options used to compile the registered kernels.
-
-See reference "OpenCL Specification Version: 1.2 chapter 5.6.4".
-
-@item platform_idx
-Select the index of the platform to run OpenCL code.
-
-The specified index must be one of the indexes in the device list
-which can be obtained with @code{ffmpeg -opencl_bench} or @code{av_opencl_get_device_list()}.
-
-@item device_idx
-Select the index of the device used to run OpenCL code.
-
-The specified index must be one of the indexes in the device list which
-can be obtained with @code{ffmpeg -opencl_bench} or @code{av_opencl_get_device_list()}.
-
-@end table
-
-@c man end OPENCL OPTIONS
diff --git a/fftools/Makefile b/fftools/Makefile
index c867814a71..8fbb898ce5 100644
--- a/fftools/Makefile
+++ b/fftools/Makefile
@@ -29,7 +29,6 @@ $(1)$(PROGSSUF)_g$(EXESUF): FF_EXTRALIBS += $(EXTRALIBS-$(1))
 -include $$(OBJS-$(1):.o=.d)
 endef
 
-$(foreach P,$(AVPROGS-yes),$(eval OBJS-$(P)-$(CONFIG_OPENCL) += fftools/cmdutils_opencl.o))
 $(foreach P,$(AVPROGS-yes),$(eval $(call DOFFTOOL,$(P))))
 
 all: $(AVPROGS)
diff --git a/fftools/cmdutils.h b/fftools/cmdutils.h
index 2997ee37b5..ded5a869f0 100644
--- a/fftools/cmdutils.h
+++ b/fftools/cmdutils.h
@@ -105,12 +105,6 @@ int opt_max_alloc(void *optctx, const char *opt, const char *arg);
 
 int opt_codec_debug(void *optctx, const char *opt, const char *arg);
 
-#if CONFIG_OPENCL
-int opt_opencl(void *optctx, const char *opt, const char *arg);
-
-int opt_opencl_bench(void *optctx, const char *opt, const char *arg);
-#endif
-
 /**
  * Limit the execution time.
  */
@@ -206,17 +200,6 @@ typedef struct OptionDef {
 void show_help_options(const OptionDef *options, const char *msg, int req_flags,
                        int rej_flags, int alt_flags);
 
-#if CONFIG_OPENCL
-#define CMDUTILS_COMMON_OPTIONS_OPENCL                                                                                  \
-    { "opencl_bench", OPT_EXIT, {.func_arg = opt_opencl_bench},                                                         \
-       "run benchmark on all OpenCL devices and show results" },                                                        \
-    { "opencl_options", HAS_ARG, {.func_arg = opt_opencl},                                                              \
-       "set OpenCL environment options" },                                                                              \
-
-#else
-#define CMDUTILS_COMMON_OPTIONS_OPENCL
-#endif
-
 #if CONFIG_AVDEVICE
 #define CMDUTILS_COMMON_OPTIONS_AVDEVICE                                                                                \
     { "sources"    , OPT_EXIT | HAS_ARG, { .func_arg = show_sources },                                                  \
@@ -256,7 +239,6 @@ void show_help_options(const OptionDef *options, const char *msg, int req_flags,
     { "max_alloc",   HAS_ARG,              { .func_arg = opt_max_alloc },    "set maximum size of a single allocated block", "bytes" }, \
     { "cpuflags",    HAS_ARG | OPT_EXPERT, { .func_arg = opt_cpuflags },     "force specific cpu flags", "flags" },     \
     { "hide_banner", OPT_BOOL | OPT_EXPERT, {&hide_banner},     "do not show program banner", "hide_banner" },          \
-    CMDUTILS_COMMON_OPTIONS_OPENCL                                                                                      \
     CMDUTILS_COMMON_OPTIONS_AVDEVICE                                                                                    \
 
 /**
diff --git a/fftools/cmdutils_opencl.c b/fftools/cmdutils_opencl.c
deleted file mode 100644
index 906aef4836..0000000000
--- a/fftools/cmdutils_opencl.c
+++ /dev/null
@@ -1,283 +0,0 @@
-/*
- * Copyright (C) 2013 Lenny Wang
- *
- * 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/opt.h"
-#include "libavutil/time.h"
-#include "libavutil/log.h"
-#include "libavutil/opencl.h"
-#include "libavutil/avstring.h"
-#include "cmdutils.h"
-
-typedef struct {
-    int platform_idx;
-    int device_idx;
-    char device_name[64];
-    int64_t runtime;
-} OpenCLDeviceBenchmark;
-
-const char *ocl_bench_source = AV_OPENCL_KERNEL(
-inline unsigned char clip_uint8(int a)
-{
-    if (a & (~0xFF))
-        return (-a)>>31;
-    else
-        return a;
-}
-
-kernel void unsharp_bench(
-                    global unsigned char *src,
-                    global unsigned char *dst,
-                    global int *mask,
-                    int width,
-                    int height)
-{
-    int i, j, local_idx, lc_idx, sum = 0;
-    int2 thread_idx, block_idx, global_idx, lm_idx;
-    thread_idx.x = get_local_id(0);
-    thread_idx.y = get_local_id(1);
-    block_idx.x = get_group_id(0);
-    block_idx.y = get_group_id(1);
-    global_idx.x = get_global_id(0);
-    global_idx.y = get_global_id(1);
-    local uchar data[32][32];
-    local int lc[128];
-
-    for (i = 0; i <= 1; i++) {
-        lm_idx.y = -8 + (block_idx.y + i) * 16 + thread_idx.y;
-        lm_idx.y = lm_idx.y < 0 ? 0 : lm_idx.y;
-        lm_idx.y = lm_idx.y >= height ? height - 1: lm_idx.y;
-        for (j = 0; j <= 1; j++) {
-            lm_idx.x = -8 + (block_idx.x + j) * 16 + thread_idx.x;
-            lm_idx.x = lm_idx.x < 0 ? 0 : lm_idx.x;
-            lm_idx.x = lm_idx.x >= width ? width - 1: lm_idx.x;
-            data[i*16 + thread_idx.y][j*16 + thread_idx.x] = src[lm_idx.y*width + lm_idx.x];
-        }
-    }
-    local_idx = thread_idx.y*16 + thread_idx.x;
-    if (local_idx < 128)
-        lc[local_idx] = mask[local_idx];
-    barrier(CLK_LOCAL_MEM_FENCE);
-
-    \n#pragma unroll\n
-    for (i = -4; i <= 4; i++) {
-        lm_idx.y = 8 + i + thread_idx.y;
-        \n#pragma unroll\n
-        for (j = -4; j <= 4; j++) {
-            lm_idx.x = 8 + j + thread_idx.x;
-            lc_idx = (i + 4)*8 + j + 4;
-            sum += (int)data[lm_idx.y][lm_idx.x] * lc[lc_idx];
-        }
-    }
-    int temp = (int)data[thread_idx.y + 8][thread_idx.x + 8];
-    int res = temp + (((temp - (int)((sum + 1<<15) >> 16))) >> 16);
-    if (global_idx.x < width && global_idx.y < height)
-        dst[global_idx.x + global_idx.y*width] = clip_uint8(res);
-}
-);
-
-#define OCLCHECK(method, ... )                                                 \
-do {                                                                           \
-    status = method(__VA_ARGS__);                                              \
-    if (status != CL_SUCCESS) {                                                \
-        av_log(NULL, AV_LOG_ERROR, # method " error '%s'\n",                   \
-               av_opencl_errstr(status));                                      \
-        ret = AVERROR_EXTERNAL;                                                \
-        goto end;                                                              \
-    }                                                                          \
-} while (0)
-
-#define CREATEBUF(out, flags, size)                                            \
-do {                                                                           \
-    out = clCreateBuffer(ext_opencl_env->context, flags, size, NULL, &status); \
-    if (status != CL_SUCCESS) {                                                \
-        av_log(NULL, AV_LOG_ERROR, "Could not create OpenCL buffer\n");        \
-        ret = AVERROR_EXTERNAL;                                                \
-        goto end;                                                              \
-    }                                                                          \
-} while (0)
-
-static void fill_rand_int(int *data, int n)
-{
-    int i;
-    srand(av_gettime());
-    for (i = 0; i < n; i++)
-        data[i] = rand();
-}
-
-#define OPENCL_NB_ITER 5
-static int64_t run_opencl_bench(AVOpenCLExternalEnv *ext_opencl_env)
-{
-    int i, arg = 0, width = 1920, height = 1088;
-    int64_t start, ret = 0;
-    cl_int status;
-    size_t kernel_len;
-    char *inbuf;
-    int *mask = NULL;
-    int buf_size = width * height * sizeof(char);
-    int mask_size = sizeof(uint32_t) * 128;
-
-    cl_mem cl_mask = NULL, cl_inbuf = NULL, cl_outbuf = NULL;
-    cl_kernel kernel = NULL;
-    cl_program program = NULL;
-    size_t local_work_size_2d[2] = {16, 16};
-    size_t global_work_size_2d[2] = {(size_t)width, (size_t)height};
-
-    if (!(inbuf = av_malloc(buf_size)) || !(mask = av_malloc(mask_size))) {
-        av_log(NULL, AV_LOG_ERROR, "Out of memory\n");
-        ret = AVERROR(ENOMEM);
-        goto end;
-    }
-    fill_rand_int((int*)inbuf, buf_size/4);
-    fill_rand_int(mask, mask_size/4);
-
-    CREATEBUF(cl_mask, CL_MEM_READ_ONLY, mask_size);
-    CREATEBUF(cl_inbuf, CL_MEM_READ_ONLY, buf_size);
-    CREATEBUF(cl_outbuf, CL_MEM_READ_WRITE, buf_size);
-
-    kernel_len = strlen(ocl_bench_source);
-    program = clCreateProgramWithSource(ext_opencl_env->context, 1, &ocl_bench_source,
-                                        &kernel_len, &status);
-    if (status != CL_SUCCESS || !program) {
-        av_log(NULL, AV_LOG_ERROR, "OpenCL unable to create benchmark program\n");
-        ret = AVERROR_EXTERNAL;
-        goto end;
-    }
-    status = clBuildProgram(program, 1, &(ext_opencl_env->device_id), NULL, NULL, NULL);
-    if (status != CL_SUCCESS) {
-        av_log(NULL, AV_LOG_ERROR, "OpenCL unable to build benchmark program\n");
-        ret = AVERROR_EXTERNAL;
-        goto end;
-    }
-    kernel = clCreateKernel(program, "unsharp_bench", &status);
-    if (status != CL_SUCCESS) {
-        av_log(NULL, AV_LOG_ERROR, "OpenCL unable to create benchmark kernel\n");
-        ret = AVERROR_EXTERNAL;
-        goto end;
-    }
-
-    OCLCHECK(clEnqueueWriteBuffer, ext_opencl_env->command_queue, cl_inbuf, CL_TRUE, 0,
-             buf_size, inbuf, 0, NULL, NULL);
-    OCLCHECK(clEnqueueWriteBuffer, ext_opencl_env->command_queue, cl_mask, CL_TRUE, 0,
-             mask_size, mask, 0, NULL, NULL);
-    OCLCHECK(clSetKernelArg, kernel, arg++, sizeof(cl_mem), &cl_inbuf);
-    OCLCHECK(clSetKernelArg, kernel, arg++, sizeof(cl_mem), &cl_outbuf);
-    OCLCHECK(clSetKernelArg, kernel, arg++, sizeof(cl_mem), &cl_mask);
-    OCLCHECK(clSetKernelArg, kernel, arg++, sizeof(cl_int), &width);
-    OCLCHECK(clSetKernelArg, kernel, arg++, sizeof(cl_int), &height);
-
-    start = av_gettime_relative();
-    for (i = 0; i < OPENCL_NB_ITER; i++)
-        OCLCHECK(clEnqueueNDRangeKernel, ext_opencl_env->command_queue, kernel, 2, NULL,
-                 global_work_size_2d, local_work_size_2d, 0, NULL, NULL);
-    clFinish(ext_opencl_env->command_queue);
-    ret = (av_gettime_relative() - start)/OPENCL_NB_ITER;
-end:
-    if (kernel)
-        clReleaseKernel(kernel);
-    if (program)
-        clReleaseProgram(program);
-    if (cl_inbuf)
-        clReleaseMemObject(cl_inbuf);
-    if (cl_outbuf)
-        clReleaseMemObject(cl_outbuf);
-    if (cl_mask)
-        clReleaseMemObject(cl_mask);
-    av_free(inbuf);
-    av_free(mask);
-    return ret;
-}
-
-static int compare_ocl_device_desc(const void *a, const void *b)
-{
-    const OpenCLDeviceBenchmark* va = (const OpenCLDeviceBenchmark*)a;
-    const OpenCLDeviceBenchmark* vb = (const OpenCLDeviceBenchmark*)b;
-    return FFDIFFSIGN(va->runtime , vb->runtime);
-}
-
-int opt_opencl_bench(void *optctx, const char *opt, const char *arg)
-{
-    int i, j, nb_devices = 0, count = 0, ret = 0;
-    int64_t score = 0;
-    AVOpenCLDeviceList *device_list;
-    AVOpenCLDeviceNode *device_node = NULL;
-    OpenCLDeviceBenchmark *devices = NULL;
-    cl_platform_id platform;
-
-    ret = av_opencl_get_device_list(&device_list);
-    if (ret < 0) {
-        return ret;
-    }
-    for (i = 0; i < device_list->platform_num; i++)
-        nb_devices += device_list->platform_node[i]->device_num;
-    if (!nb_devices) {
-        av_log(NULL, AV_LOG_ERROR, "No OpenCL device detected!\n");
-        av_opencl_free_device_list(&device_list);
-        return AVERROR(EINVAL);
-    }
-    if (!(devices = av_malloc_array(nb_devices, sizeof(OpenCLDeviceBenchmark)))) {
-        av_log(NULL, AV_LOG_ERROR, "Could not allocate buffer\n");
-        av_opencl_free_device_list(&device_list);
-        return AVERROR(ENOMEM);
-    }
-
-    for (i = 0; i < device_list->platform_num; i++) {
-        for (j = 0; j < device_list->platform_node[i]->device_num; j++) {
-            device_node = device_list->platform_node[i]->device_node[j];
-            platform = device_list->platform_node[i]->platform_id;
-            score = av_opencl_benchmark(device_node, platform, run_opencl_bench);
-            if (score > 0) {
-                devices[count].platform_idx = i;
-                devices[count].device_idx = j;
-                devices[count].runtime = score;
-                av_strlcpy(devices[count].device_name, device_node->device_name,
-                           sizeof(devices[count].device_name));
-                count++;
-            }
-        }
-    }
-    qsort(devices, count, sizeof(OpenCLDeviceBenchmark), compare_ocl_device_desc);
-    fprintf(stderr, "platform_idx\tdevice_idx\tdevice_name\truntime\n");
-    for (i = 0; i < count; i++)
-        fprintf(stdout, "%d\t%d\t%s\t%"PRId64"\n",
-                devices[i].platform_idx, devices[i].device_idx,
-                devices[i].device_name, devices[i].runtime);
-
-    av_opencl_free_device_list(&device_list);
-    av_free(devices);
-    return 0;
-}
-
-int opt_opencl(void *optctx, const char *opt, const char *arg)
-{
-    char *key, *value;
-    const char *opts = arg;
-    int ret = 0;
-    while (*opts) {
-        ret = av_opt_get_key_value(&opts, "=", ":", 0, &key, &value);
-        if (ret < 0)
-            return ret;
-        ret = av_opencl_set_option(key, value);
-        if (ret < 0)
-            return ret;
-        if (*opts)
-            opts++;
-    }
-    return ret;
-}
diff --git a/libavfilter/Makefile b/libavfilter/Makefile
index a17bcdd749..2939a39c34 100644
--- a/libavfilter/Makefile
+++ b/libavfilter/Makefile
@@ -19,7 +19,6 @@ OBJS = allfilters.o                                                     \
        framequeue.o                                                     \
        graphdump.o                                                      \
        graphparser.o                                                    \
-       opencl_allkernels.o                                              \
        transform.o                                                      \
        video.o                                                          \
 
@@ -248,7 +247,6 @@ OBJS-$(CONFIG_NOISE_FILTER)                  += vf_noise.o
 OBJS-$(CONFIG_NULL_FILTER)                   += vf_null.o
 OBJS-$(CONFIG_OCR_FILTER)                    += vf_ocr.o
 OBJS-$(CONFIG_OCV_FILTER)                    += vf_libopencv.o
-OBJS-$(CONFIG_OPENCL)                        += deshake_opencl.o unsharp_opencl.o
 OBJS-$(CONFIG_OSCILLOSCOPE_FILTER)           += vf_datascope.o
 OBJS-$(CONFIG_OVERLAY_FILTER)                += vf_overlay.o framesync.o
 OBJS-$(CONFIG_OVERLAY_OPENCL_FILTER)         += vf_overlay_opencl.o opencl.o \
@@ -395,7 +393,6 @@ OBJS-$(CONFIG_MOVIE_FILTER)                  += src_movie.o
 SLIBOBJS-$(HAVE_GNU_WINDRES)                 += avfilterres.o
 
 SKIPHEADERS-$(CONFIG_LIBVIDSTAB)             += vidstabutils.h
-SKIPHEADERS-$(CONFIG_OPENCL)                 += opencl_internal.h deshake_opencl_kernel.h unsharp_opencl_kernel.h
 
 OBJS-$(CONFIG_SHARED)                        += log2_tab.o
 
diff --git a/libavfilter/allfilters.c b/libavfilter/allfilters.c
index 1ae1681a45..6fbbff0c64 100644
--- a/libavfilter/allfilters.c
+++ b/libavfilter/allfilters.c
@@ -22,7 +22,6 @@
 #include "libavutil/thread.h"
 #include "avfilter.h"
 #include "config.h"
-#include "opencl_allkernels.h"
 
 
 #define REGISTER_FILTER(X, x, y)                                        \
@@ -406,7 +405,6 @@ static void register_all(void)
     REGISTER_FILTER_UNCONDITIONAL(vsink_buffer);
     REGISTER_FILTER_UNCONDITIONAL(af_afifo);
     REGISTER_FILTER_UNCONDITIONAL(vf_fifo);
-    ff_opencl_register_filter_kernel_code_all();
 }
 
 void avfilter_register_all(void)
diff --git a/libavfilter/deshake.h b/libavfilter/deshake.h
index 5e25bb3a7a..406cbab2f6 100644
--- a/libavfilter/deshake.h
+++ b/libavfilter/deshake.h
@@ -26,9 +26,6 @@
 #include "avfilter.h"
 #include "transform.h"
 #include "libavutil/pixelutils.h"
-#if CONFIG_OPENCL
-#include "libavutil/opencl.h"
-#endif
 
 
 enum SearchMethod {
@@ -53,24 +50,6 @@ typedef struct Transform {
     double zoom;          ///< Zoom percentage
 } Transform;
 
-#if CONFIG_OPENCL
-
-typedef struct DeshakeOpenclContext {
-    cl_command_queue command_queue;
-    cl_program program;
-    cl_kernel kernel_luma;
-    cl_kernel kernel_chroma;
-    int in_plane_size[8];
-    int out_plane_size[8];
-    int plane_num;
-    cl_mem cl_inbuf;
-    size_t cl_inbuf_size;
-    cl_mem cl_outbuf;
-    size_t cl_outbuf_size;
-} DeshakeOpenclContext;
-
-#endif
-
 #define MAX_R 64
 
 typedef struct DeshakeContext {
@@ -96,9 +75,6 @@ typedef struct DeshakeContext {
     int cy;
     char *filename;            ///< Motion search detailed log filename
     int opencl;
-#if CONFIG_OPENCL
-    DeshakeOpenclContext opencl_ctx;
-#endif
     int (* transform)(AVFilterContext *ctx, int width, int height, int cw, int ch,
                       const float *matrix_y, const float *matrix_uv, enum InterpolateMethod interpolate,
                       enum FillMethod fill, AVFrame *in, AVFrame *out);
diff --git a/libavfilter/deshake_opencl.c b/libavfilter/deshake_opencl.c
deleted file mode 100644
index 877ec1dc03..0000000000
--- a/libavfilter/deshake_opencl.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
- * Copyright (C) 2013 Lenny Wang
- *
- * 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
- */
-
-/**
- * @file
- * transform input video
- */
-
-#include "libavutil/common.h"
-#include "libavutil/dict.h"
-#include "libavutil/pixdesc.h"
-#include "deshake_opencl.h"
-#include "libavutil/opencl_internal.h"
-
-#define PLANE_NUM 3
-#define ROUND_TO_16(a) (((((a) - 1)/16)+1)*16)
-
-int ff_opencl_transform(AVFilterContext *ctx,
-                        int width, int height, int cw, int ch,
-                        const float *matrix_y, const float *matrix_uv,
-                        enum InterpolateMethod interpolate,
-                        enum FillMethod fill, AVFrame *in, AVFrame *out)
-{
-    int ret = 0;
-    cl_int status;
-    DeshakeContext *deshake = ctx->priv;
-    float4 packed_matrix_lu = {matrix_y[0], matrix_y[1], matrix_y[2], matrix_y[5]};
-    float4 packed_matrix_ch = {matrix_uv[0], matrix_uv[1], matrix_uv[2], matrix_uv[5]};
-    size_t global_worksize_lu[2] = {(size_t)ROUND_TO_16(width), (size_t)ROUND_TO_16(height)};
-    size_t global_worksize_ch[2] = {(size_t)ROUND_TO_16(cw), (size_t)(2*ROUND_TO_16(ch))};
-    size_t local_worksize[2] = {16, 16};
-    FFOpenclParam param_lu = {0};
-    FFOpenclParam param_ch = {0};
-    param_lu.ctx = param_ch.ctx = ctx;
-    param_lu.kernel = deshake->opencl_ctx.kernel_luma;
-    param_ch.kernel = deshake->opencl_ctx.kernel_chroma;
-
-    if ((unsigned int)interpolate > INTERPOLATE_BIQUADRATIC) {
-        av_log(ctx, AV_LOG_ERROR, "Selected interpolate method is invalid\n");
-        return AVERROR(EINVAL);
-    }
-    ret = avpriv_opencl_set_parameter(&param_lu,
-                                  FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_inbuf),
-                                  FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_outbuf),
-                                  FF_OPENCL_PARAM_INFO(packed_matrix_lu),
-                                  FF_OPENCL_PARAM_INFO(interpolate),
-                                  FF_OPENCL_PARAM_INFO(fill),
-                                  FF_OPENCL_PARAM_INFO(in->linesize[0]),
-                                  FF_OPENCL_PARAM_INFO(out->linesize[0]),
-                                  FF_OPENCL_PARAM_INFO(height),
-                                  FF_OPENCL_PARAM_INFO(width),
-                                  NULL);
-    if (ret < 0)
-        return ret;
-    ret = avpriv_opencl_set_parameter(&param_ch,
-                                  FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_inbuf),
-                                  FF_OPENCL_PARAM_INFO(deshake->opencl_ctx.cl_outbuf),
-                                  FF_OPENCL_PARAM_INFO(packed_matrix_ch),
-                                  FF_OPENCL_PARAM_INFO(interpolate),
-                                  FF_OPENCL_PARAM_INFO(fill),
-                                  FF_OPENCL_PARAM_INFO(in->linesize[0]),
-                                  FF_OPENCL_PARAM_INFO(out->linesize[0]),
-                                  FF_OPENCL_PARAM_INFO(in->linesize[1]),
-                                  FF_OPENCL_PARAM_INFO(out->linesize[1]),
-                                  FF_OPENCL_PARAM_INFO(height),
-                                  FF_OPENCL_PARAM_INFO(width),
-                                  FF_OPENCL_PARAM_INFO(ch),
-                                  FF_OPENCL_PARAM_INFO(cw),
-                                  NULL);
-    if (ret < 0)
-        return ret;
-    status = clEnqueueNDRangeKernel(deshake->opencl_ctx.command_queue,
-                                    deshake->opencl_ctx.kernel_luma, 2, NULL,
-                                    global_worksize_lu, local_worksize, 0, NULL, NULL);
-    status |= clEnqueueNDRangeKernel(deshake->opencl_ctx.command_queue,
-                                    deshake->opencl_ctx.kernel_chroma, 2, NULL,
-                                    global_worksize_ch, local_worksize, 0, NULL, NULL);
-    if (status != CL_SUCCESS) {
-        av_log(ctx, AV_LOG_ERROR, "OpenCL run kernel error occurred: %s\n", av_opencl_errstr(status));
-        return AVERROR_EXTERNAL;
-    }
-    ret = av_opencl_buffer_read_image(out->data, deshake->opencl_ctx.out_plane_size,
-                                      deshake->opencl_ctx.plane_num, deshake->opencl_ctx.cl_outbuf,
-                                      deshake->opencl_ctx.cl_outbuf_size);
-    if (ret < 0)
-        return ret;
-    return ret;
-}
-
-int ff_opencl_deshake_init(AVFilterContext *ctx)
-{
-    int ret = 0;
-    DeshakeContext *deshake = ctx->priv;
-    ret = av_opencl_init(NULL);
-    if (ret < 0)
-        return ret;
-    deshake->opencl_ctx.plane_num = PLANE_NUM;
-    deshake->opencl_ctx.command_queue = av_opencl_get_command_queue();
-    if (!deshake->opencl_ctx.command_queue) {
-        av_log(ctx, AV_LOG_ERROR, "Unable to get OpenCL command queue in filter 'deshake'\n");
-        return AVERROR(EINVAL);
-    }
-    deshake->opencl_ctx.program = av_opencl_compile("avfilter_transform", NULL);
-    if (!deshake->opencl_ctx.program) {
-        av_log(ctx, AV_LOG_ERROR, "OpenCL failed to compile program 'avfilter_transform'\n");
-        return AVERROR(EINVAL);
-    }
-    if (!deshake->opencl_ctx.kernel_luma) {
-        deshake->opencl_ctx.kernel_luma = clCreateKernel(deshake->opencl_ctx.program,
-                                                         "avfilter_transform_luma", &ret);
-        if (ret != CL_SUCCESS) {
-            av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'avfilter_transform_luma'\n");
-            return AVERROR(EINVAL);
-        }
-    }
-    if (!deshake->opencl_ctx.kernel_chroma) {
-        deshake->opencl_ctx.kernel_chroma = clCreateKernel(deshake->opencl_ctx.program,
-                                                           "avfilter_transform_chroma", &ret);
-        if (ret != CL_SUCCESS) {
-            av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'avfilter_transform_chroma'\n");
-            return AVERROR(EINVAL);
-        }
-    }
-    return ret;
-}
-
-void ff_opencl_deshake_uninit(AVFilterContext *ctx)
-{
-    DeshakeContext *deshake = ctx->priv;
-    av_opencl_buffer_release(&deshake->opencl_ctx.cl_inbuf);
-    av_opencl_buffer_release(&deshake->opencl_ctx.cl_outbuf);
-    clReleaseKernel(deshake->opencl_ctx.kernel_luma);
-    clReleaseKernel(deshake->opencl_ctx.kernel_chroma);
-    clReleaseProgram(deshake->opencl_ctx.program);
-    deshake->opencl_ctx.command_queue = NULL;
-    av_opencl_uninit();
-}
-
-int ff_opencl_deshake_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
-{
-    int ret = 0;
-    AVFilterLink *link = ctx->inputs[0];
-    DeshakeContext *deshake = ctx->priv;
-    const int hshift = av_pix_fmt_desc_get(link->format)->log2_chroma_h;
-    int chroma_height = AV_CEIL_RSHIFT(link->h, hshift);
-
-    if ((!deshake->opencl_ctx.cl_inbuf) || (!deshake->opencl_ctx.cl_outbuf)) {
-        deshake->opencl_ctx.in_plane_size[0]  = (in->linesize[0] * in->height);
-        deshake->opencl_ctx.in_plane_size[1]  = (in->linesize[1] * chroma_height);
-        deshake->opencl_ctx.in_plane_size[2]  = (in->linesize[2] * chroma_height);
-        deshake->opencl_ctx.out_plane_size[0] = (out->linesize[0] * out->height);
-        deshake->opencl_ctx.out_plane_size[1] = (out->linesize[1] * chroma_height);
-        deshake->opencl_ctx.out_plane_size[2] = (out->linesize[2] * chroma_height);
-        deshake->opencl_ctx.cl_inbuf_size  = deshake->opencl_ctx.in_plane_size[0] +
-                                             deshake->opencl_ctx.in_plane_size[1] +
-                                             deshake->opencl_ctx.in_plane_size[2];
-        deshake->opencl_ctx.cl_outbuf_size = deshake->opencl_ctx.out_plane_size[0] +
-                                             deshake->opencl_ctx.out_plane_size[1] +
-                                             deshake->opencl_ctx.out_plane_size[2];
-        if (!deshake->opencl_ctx.cl_inbuf) {
-            ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_inbuf,
-                                            deshake->opencl_ctx.cl_inbuf_size,
-                                            CL_MEM_READ_ONLY, NULL);
-            if (ret < 0)
-                return ret;
-        }
-        if (!deshake->opencl_ctx.cl_outbuf) {
-            ret = av_opencl_buffer_create(&deshake->opencl_ctx.cl_outbuf,
-                                            deshake->opencl_ctx.cl_outbuf_size,
-                                            CL_MEM_READ_WRITE, NULL);
-            if (ret < 0)
-                return ret;
-        }
-    }
-    ret = av_opencl_buffer_write_image(deshake->opencl_ctx.cl_inbuf,
-                                 deshake->opencl_ctx.cl_inbuf_size,
-                                 0, in->data,deshake->opencl_ctx.in_plane_size,
-                                 deshake->opencl_ctx.plane_num);
-    return ret;
-}
diff --git a/libavfilter/deshake_opencl.h b/libavfilter/deshake_opencl.h
deleted file mode 100644
index f3d96dc4e9..0000000000
--- a/libavfilter/deshake_opencl.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
- *
- * 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 AVFILTER_DESHAKE_OPENCL_H
-#define AVFILTER_DESHAKE_OPENCL_H
-
-#include "deshake.h"
-
-typedef struct float4 {
-    float x;
-    float y;
-    float z;
-    float w;
-} float4;
-
-int ff_opencl_deshake_init(AVFilterContext *ctx);
-
-void ff_opencl_deshake_uninit(AVFilterContext *ctx);
-
-int ff_opencl_deshake_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out);
-
-int ff_opencl_transform(AVFilterContext *ctx,
-                        int width, int height, int cw, int ch,
-                        const float *matrix_y, const float *matrix_uv,
-                        enum InterpolateMethod interpolate,
-                        enum FillMethod fill, AVFrame *in, AVFrame *out);
-
-#endif /* AVFILTER_DESHAKE_OPENCL_H */
diff --git a/libavfilter/deshake_opencl_kernel.h b/libavfilter/deshake_opencl_kernel.h
deleted file mode 100644
index dd45d6f60b..0000000000
--- a/libavfilter/deshake_opencl_kernel.h
+++ /dev/null
@@ -1,225 +0,0 @@
-/*
- * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
- * Copyright (C) 2013 Lenny Wang
- *
- *
- * 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 AVFILTER_DESHAKE_OPENCL_KERNEL_H
-#define AVFILTER_DESHAKE_OPENCL_KERNEL_H
-
-#include "libavutil/opencl.h"
-
-const char *ff_kernel_deshake_opencl = AV_OPENCL_KERNEL(
-inline unsigned char pixel(global const unsigned char *src, int x, int y,
-                           int w, int h,int stride, unsigned char def)
-{
-    return (x < 0 || y < 0 || x >= w || y >= h) ? def : src[x + y * stride];
-}
-
-unsigned char interpolate_nearest(float x, float y, global const unsigned char *src,
-                                  int width, int height, int stride, unsigned char def)
-{
-    return pixel(src, (int)(x + 0.5f), (int)(y + 0.5f), width, height, stride, def);
-}
-
-unsigned char interpolate_bilinear(float x, float y, global const unsigned char *src,
-                                   int width, int height, int stride, unsigned char def)
-{
-    int x_c, x_f, y_c, y_f;
-    int v1, v2, v3, v4;
-    x_f = (int)x;
-    y_f = (int)y;
-    x_c = x_f + 1;
-    y_c = y_f + 1;
-
-    if (x_f < -1 || x_f > width || y_f < -1 || y_f > height) {
-        return def;
-    } else {
-        v4 = pixel(src, x_f, y_f, width, height, stride, def);
-        v2 = pixel(src, x_c, y_f, width, height, stride, def);
-        v3 = pixel(src, x_f, y_c, width, height, stride, def);
-        v1 = pixel(src, x_c, y_c, width, height, stride, def);
-        return (v1*(x - x_f)*(y - y_f) + v2*((x - x_f)*(y_c - y)) +
-                v3*(x_c - x)*(y - y_f) + v4*((x_c - x)*(y_c - y)));
-    }
-}
-
-unsigned char interpolate_biquadratic(float x, float y, global const unsigned char *src,
-                                      int width, int height, int stride, unsigned char def)
-{
-    int     x_c, x_f, y_c, y_f;
-    unsigned char v1,  v2,  v3,  v4;
-    float   f1,  f2,  f3,  f4;
-    x_f = (int)x;
-    y_f = (int)y;
-    x_c = x_f + 1;
-    y_c = y_f + 1;
-
-    if (x_f < - 1 || x_f > width || y_f < -1 || y_f > height)
-        return def;
-    else {
-        v4 = pixel(src, x_f, y_f, width, height, stride, def);
-        v2 = pixel(src, x_c, y_f, width, height, stride, def);
-        v3 = pixel(src, x_f, y_c, width, height, stride, def);
-        v1 = pixel(src, x_c, y_c, width, height, stride, def);
-
-        f1 = 1 - sqrt((x_c - x) * (y_c - y));
-        f2 = 1 - sqrt((x_c - x) * (y - y_f));
-        f3 = 1 - sqrt((x - x_f) * (y_c - y));
-        f4 = 1 - sqrt((x - x_f) * (y - y_f));
-        return (v1 * f1 + v2 * f2 + v3 * f3 + v4 * f4) / (f1 + f2 + f3 + f4);
-    }
-}
-
-inline const float clipf(float a, float amin, float amax)
-{
-    if      (a < amin) return amin;
-    else if (a > amax) return amax;
-    else               return a;
-}
-
-inline int mirror(int v, int m)
-{
-    while ((unsigned)v > (unsigned)m) {
-        v = -v;
-        if (v < 0)
-            v += 2 * m;
-    }
-    return v;
-}
-
-kernel void avfilter_transform_luma(global unsigned char *src,
-                                    global unsigned char *dst,
-                                    float4 matrix,
-                                    int interpolate,
-                                    int fill,
-                                    int src_stride_lu,
-                                    int dst_stride_lu,
-                                    int height,
-                                    int width)
-{
-    int x = get_global_id(0);
-    int y = get_global_id(1);
-    int idx_dst = y * dst_stride_lu + x;
-    unsigned char def = 0;
-    float x_s = x * matrix.x + y * matrix.y + matrix.z;
-    float y_s = x * (-matrix.y) + y * matrix.x + matrix.w;
-
-    if (x < width && y < height) {
-        switch (fill) {
-            case 0: //FILL_BLANK
-                def = 0;
-                break;
-            case 1: //FILL_ORIGINAL
-                def = src[y*src_stride_lu + x];
-                break;
-            case 2: //FILL_CLAMP
-                y_s = clipf(y_s, 0, height - 1);
-                x_s = clipf(x_s, 0, width - 1);
-                def = src[(int)y_s * src_stride_lu + (int)x_s];
-                break;
-            case 3: //FILL_MIRROR
-                y_s = mirror(y_s, height - 1);
-                x_s = mirror(x_s, width - 1);
-                def = src[(int)y_s * src_stride_lu + (int)x_s];
-                break;
-        }
-        switch (interpolate) {
-            case 0: //INTERPOLATE_NEAREST
-                dst[idx_dst] = interpolate_nearest(x_s, y_s, src, width, height, src_stride_lu, def);
-                break;
-            case 1: //INTERPOLATE_BILINEAR
-                dst[idx_dst] = interpolate_bilinear(x_s, y_s, src, width, height, src_stride_lu, def);
-                break;
-            case 2: //INTERPOLATE_BIQUADRATIC
-                dst[idx_dst] = interpolate_biquadratic(x_s, y_s, src, width, height, src_stride_lu, def);
-                break;
-            default:
-                return;
-        }
-    }
-}
-
-kernel void avfilter_transform_chroma(global unsigned char *src,
-                                      global unsigned char *dst,
-                                      float4 matrix,
-                                      int interpolate,
-                                      int fill,
-                                      int src_stride_lu,
-                                      int dst_stride_lu,
-                                      int src_stride_ch,
-                                      int dst_stride_ch,
-                                      int height,
-                                      int width,
-                                      int ch,
-                                      int cw)
-{
-
-    int x = get_global_id(0);
-    int y = get_global_id(1);
-    int pad_ch = get_global_size(1)>>1;
-    global unsigned char *dst_u = dst + height * dst_stride_lu;
-    global unsigned char *src_u = src + height * src_stride_lu;
-    global unsigned char *dst_v = dst_u + ch * dst_stride_ch;
-    global unsigned char *src_v = src_u + ch * src_stride_ch;
-    src = y < pad_ch ? src_u : src_v;
-    dst = y < pad_ch ? dst_u : dst_v;
-    y = select(y - pad_ch, y, y < pad_ch);
-    float x_s = x * matrix.x + y * matrix.y + matrix.z;
-    float y_s = x * (-matrix.y) + y * matrix.x + matrix.w;
-    int idx_dst = y * dst_stride_ch + x;
-    unsigned char def;
-
-    if (x < cw && y < ch) {
-        switch (fill) {
-            case 0: //FILL_BLANK
-                def = 0;
-                break;
-            case 1: //FILL_ORIGINAL
-                def = src[y*src_stride_ch + x];
-                break;
-            case 2: //FILL_CLAMP
-                y_s = clipf(y_s, 0, ch - 1);
-                x_s = clipf(x_s, 0, cw - 1);
-                def = src[(int)y_s * src_stride_ch + (int)x_s];
-                break;
-            case 3: //FILL_MIRROR
-                y_s = mirror(y_s, ch - 1);
-                x_s = mirror(x_s, cw - 1);
-                def = src[(int)y_s * src_stride_ch + (int)x_s];
-                break;
-        }
-        switch (interpolate) {
-            case 0: //INTERPOLATE_NEAREST
-                dst[idx_dst] = interpolate_nearest(x_s, y_s, src, cw, ch, src_stride_ch, def);
-                break;
-            case 1: //INTERPOLATE_BILINEAR
-                dst[idx_dst] = interpolate_bilinear(x_s, y_s, src, cw, ch, src_stride_ch, def);
-                break;
-            case 2: //INTERPOLATE_BIQUADRATIC
-                dst[idx_dst] = interpolate_biquadratic(x_s, y_s, src, cw, ch, src_stride_ch, def);
-                break;
-            default:
-                return;
-        }
-    }
-}
-);
-
-#endif /* AVFILTER_DESHAKE_OPENCL_KERNEL_H */
diff --git a/libavfilter/opencl_allkernels.c b/libavfilter/opencl_allkernels.c
deleted file mode 100644
index 6d80fa8598..0000000000
--- a/libavfilter/opencl_allkernels.c
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
- *
- * 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 "opencl_allkernels.h"
-#if CONFIG_OPENCL
-#include "libavutil/opencl.h"
-#include "deshake_opencl_kernel.h"
-#include "unsharp_opencl_kernel.h"
-#endif
-
-#define OPENCL_REGISTER_KERNEL_CODE(X, x)                                              \
-    {                                                                                  \
-        if (CONFIG_##X##_FILTER) {                                                     \
-            av_opencl_register_kernel_code(ff_kernel_##x##_opencl);                    \
-        }                                                                              \
-    }
-
-void ff_opencl_register_filter_kernel_code_all(void)
-{
- #if CONFIG_OPENCL
-   OPENCL_REGISTER_KERNEL_CODE(DESHAKE,     deshake);
-   OPENCL_REGISTER_KERNEL_CODE(UNSHARP,     unsharp);
- #endif
-}
diff --git a/libavfilter/opencl_allkernels.h b/libavfilter/opencl_allkernels.h
deleted file mode 100644
index 57b650d27b..0000000000
--- a/libavfilter/opencl_allkernels.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
- *
- * 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 AVFILTER_OPENCL_ALLKERNELS_H
-#define AVFILTER_OPENCL_ALLKERNELS_H
-
-#include "avfilter.h"
-#include "config.h"
-
-void ff_opencl_register_filter_kernel_code_all(void);
-
-#endif /* AVFILTER_OPENCL_ALLKERNELS_H */
diff --git a/libavfilter/unsharp.h b/libavfilter/unsharp.h
index 340a6a0caf..caff986fc1 100644
--- a/libavfilter/unsharp.h
+++ b/libavfilter/unsharp.h
@@ -24,38 +24,10 @@
 
 #include "config.h"
 #include "avfilter.h"
-#if CONFIG_OPENCL
-#include "libavutil/opencl.h"
-#endif
 
 #define MIN_MATRIX_SIZE 3
 #define MAX_MATRIX_SIZE 63
 
-#if CONFIG_OPENCL
-
-typedef struct UnsharpOpenclContext {
-    cl_command_queue command_queue;
-    cl_program program;
-    cl_kernel kernel_default;
-    cl_kernel kernel_luma;
-    cl_kernel kernel_chroma;
-    cl_mem cl_luma_mask;
-    cl_mem cl_chroma_mask;
-    cl_mem cl_luma_mask_x;
-    cl_mem cl_chroma_mask_x;
-    cl_mem cl_luma_mask_y;
-    cl_mem cl_chroma_mask_y;
-    int in_plane_size[8];
-    int out_plane_size[8];
-    int plane_num;
-    cl_mem cl_inbuf;
-    size_t cl_inbuf_size;
-    cl_mem cl_outbuf;
-    size_t cl_outbuf_size;
-    int use_fast_kernels;
-} UnsharpOpenclContext;
-
-#endif
 
 typedef struct UnsharpFilterParam {
     int msize_x;                             ///< matrix width
@@ -76,9 +48,6 @@ typedef struct UnsharpContext {
     UnsharpFilterParam chroma; ///< chroma parameters (width, height, amount)
     int hsub, vsub;
     int opencl;
-#if CONFIG_OPENCL
-    UnsharpOpenclContext opencl_ctx;
-#endif
     int (* apply_unsharp)(AVFilterContext *ctx, AVFrame *in, AVFrame *out);
 } UnsharpContext;
 
diff --git a/libavfilter/unsharp_opencl.c b/libavfilter/unsharp_opencl.c
deleted file mode 100644
index 1545455846..0000000000
--- a/libavfilter/unsharp_opencl.c
+++ /dev/null
@@ -1,422 +0,0 @@
-/*
- * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
- * Copyright (C) 2013 Lenny Wang
- *
- * 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
- */
-
-/**
- * @file
- * unsharp input video
- */
-
-#include "unsharp_opencl.h"
-#include "libavutil/common.h"
-#include "libavutil/opencl_internal.h"
-
-#define PLANE_NUM 3
-#define ROUND_TO_16(a) (((((a) - 1)/16)+1)*16)
-
-static inline void add_mask_counter(uint32_t *dst, uint32_t *counter1, uint32_t *counter2, int len)
-{
-    int i;
-    for (i = 0; i < len; i++) {
-        dst[i] = counter1[i] + counter2[i];
-    }
-}
-
-static int compute_mask(int step, uint32_t *mask)
-{
-    int i, z, ret = 0;
-    int counter_size = sizeof(uint32_t) * (2 * step + 1);
-    uint32_t *temp1_counter, *temp2_counter, **counter = NULL;
-    temp1_counter = av_mallocz(counter_size);
-    if (!temp1_counter) {
-        ret = AVERROR(ENOMEM);
-        goto end;
-    }
-    temp2_counter = av_mallocz(counter_size);
-    if (!temp2_counter) {
-        ret = AVERROR(ENOMEM);
-        goto end;
-    }
-    counter = av_mallocz_array(2 * step + 1, sizeof(uint32_t *));
-    if (!counter) {
-        ret = AVERROR(ENOMEM);
-        goto end;
-    }
-    for (i = 0; i < 2 * step + 1; i++) {
-        counter[i] = av_mallocz(counter_size);
-        if (!counter[i]) {
-            ret = AVERROR(ENOMEM);
-            goto end;
-        }
-    }
-    for (i = 0; i < 2 * step + 1; i++) {
-        memset(temp1_counter, 0, counter_size);
-        temp1_counter[i] = 1;
-        for (z = 0; z < step * 2; z += 2) {
-            add_mask_counter(temp2_counter, counter[z], temp1_counter, step * 2);
-            memcpy(counter[z], temp1_counter, counter_size);
-            add_mask_counter(temp1_counter, counter[z + 1], temp2_counter, step * 2);
-            memcpy(counter[z + 1], temp2_counter, counter_size);
-        }
-    }
-    memcpy(mask, temp1_counter, counter_size);
-end:
-    av_freep(&temp1_counter);
-    av_freep(&temp2_counter);
-    for (i = 0; counter && i < 2 * step + 1; i++) {
-        av_freep(&counter[i]);
-    }
-    av_freep(&counter);
-    return ret;
-}
-
-static int copy_separable_masks(cl_mem cl_mask_x, cl_mem cl_mask_y, int step_x, int step_y)
-{
-    int ret = 0;
-    uint32_t *mask_x, *mask_y;
-    size_t size_mask_x = sizeof(uint32_t) * (2 * step_x + 1);
-    size_t size_mask_y = sizeof(uint32_t) * (2 * step_y + 1);
-    mask_x = av_mallocz_array(2 * step_x + 1, sizeof(uint32_t));
-    if (!mask_x) {
-        ret = AVERROR(ENOMEM);
-        goto end;
-    }
-    mask_y = av_mallocz_array(2 * step_y + 1, sizeof(uint32_t));
-    if (!mask_y) {
-        ret = AVERROR(ENOMEM);
-        goto end;
-    }
-
-    ret = compute_mask(step_x, mask_x);
-    if (ret < 0)
-        goto end;
-    ret = compute_mask(step_y, mask_y);
-    if (ret < 0)
-        goto end;
-
-    ret = av_opencl_buffer_write(cl_mask_x, (uint8_t *)mask_x, size_mask_x);
-    ret = av_opencl_buffer_write(cl_mask_y, (uint8_t *)mask_y, size_mask_y);
-end:
-    av_freep(&mask_x);
-    av_freep(&mask_y);
-
-    return ret;
-}
-
-static int generate_mask(AVFilterContext *ctx)
-{
-    cl_mem masks[4];
-    cl_mem mask_matrix[2];
-    int i, ret = 0, step_x[2], step_y[2];
-
-    UnsharpContext *unsharp = ctx->priv;
-    mask_matrix[0] = unsharp->opencl_ctx.cl_luma_mask;
-    mask_matrix[1] = unsharp->opencl_ctx.cl_chroma_mask;
-    masks[0] = unsharp->opencl_ctx.cl_luma_mask_x;
-    masks[1] = unsharp->opencl_ctx.cl_luma_mask_y;
-    masks[2] = unsharp->opencl_ctx.cl_chroma_mask_x;
-    masks[3] = unsharp->opencl_ctx.cl_chroma_mask_y;
-    step_x[0] = unsharp->luma.steps_x;
-    step_x[1] = unsharp->chroma.steps_x;
-    step_y[0] = unsharp->luma.steps_y;
-    step_y[1] = unsharp->chroma.steps_y;
-
-    /* use default kernel if any matrix dim larger than 8 due to limited local mem size */
-    if (step_x[0]>8 || step_x[1]>8 || step_y[0]>8 || step_y[1]>8)
-        unsharp->opencl_ctx.use_fast_kernels = 0;
-    else
-        unsharp->opencl_ctx.use_fast_kernels = 1;
-
-    if (!masks[0] || !masks[1] || !masks[2] || !masks[3]) {
-        av_log(ctx, AV_LOG_ERROR, "Luma mask and chroma mask should not be NULL\n");
-        return AVERROR(EINVAL);
-    }
-    if (!mask_matrix[0] || !mask_matrix[1]) {
-        av_log(ctx, AV_LOG_ERROR, "Luma mask and chroma mask should not be NULL\n");
-        return AVERROR(EINVAL);
-    }
-    for (i = 0; i < 2; i++) {
-        ret = copy_separable_masks(masks[2*i], masks[2*i+1], step_x[i], step_y[i]);
-        if (ret < 0)
-            return ret;
-    }
-    return ret;
-}
-
-int ff_opencl_apply_unsharp(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
-{
-    int ret;
-    AVFilterLink *link = ctx->inputs[0];
-    UnsharpContext *unsharp = ctx->priv;
-    cl_int status;
-    FFOpenclParam kernel1 = {0};
-    FFOpenclParam kernel2 = {0};
-    int width = link->w;
-    int height = link->h;
-    int cw = AV_CEIL_RSHIFT(link->w, unsharp->hsub);
-    int ch = AV_CEIL_RSHIFT(link->h, unsharp->vsub);
-    size_t globalWorkSize1d = width * height + 2 * ch * cw;
-    size_t globalWorkSize2dLuma[2];
-    size_t globalWorkSize2dChroma[2];
-    size_t localWorkSize2d[2] = {16, 16};
-
-    if (unsharp->opencl_ctx.use_fast_kernels) {
-        globalWorkSize2dLuma[0] = (size_t)ROUND_TO_16(width);
-        globalWorkSize2dLuma[1] = (size_t)ROUND_TO_16(height);
-        globalWorkSize2dChroma[0] = (size_t)ROUND_TO_16(cw);
-        globalWorkSize2dChroma[1] = (size_t)(2*ROUND_TO_16(ch));
-
-        kernel1.ctx = ctx;
-        kernel1.kernel = unsharp->opencl_ctx.kernel_luma;
-        ret = avpriv_opencl_set_parameter(&kernel1,
-                                      FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_inbuf),
-                                      FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_outbuf),
-                                      FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_luma_mask_x),
-                                      FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_luma_mask_y),
-                                      FF_OPENCL_PARAM_INFO(unsharp->luma.amount),
-                                      FF_OPENCL_PARAM_INFO(unsharp->luma.scalebits),
-                                      FF_OPENCL_PARAM_INFO(unsharp->luma.halfscale),
-                                      FF_OPENCL_PARAM_INFO(in->linesize[0]),
-                                      FF_OPENCL_PARAM_INFO(out->linesize[0]),
-                                      FF_OPENCL_PARAM_INFO(width),
-                                      FF_OPENCL_PARAM_INFO(height),
-                                      NULL);
-        if (ret < 0)
-            return ret;
-
-        kernel2.ctx = ctx;
-        kernel2.kernel = unsharp->opencl_ctx.kernel_chroma;
-        ret = avpriv_opencl_set_parameter(&kernel2,
-                                      FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_inbuf),
-                                      FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_outbuf),
-                                      FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_chroma_mask_x),
-                                      FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_chroma_mask_y),
-                                      FF_OPENCL_PARAM_INFO(unsharp->chroma.amount),
-                                      FF_OPENCL_PARAM_INFO(unsharp->chroma.scalebits),
-                                      FF_OPENCL_PARAM_INFO(unsharp->chroma.halfscale),
-                                      FF_OPENCL_PARAM_INFO(in->linesize[0]),
-                                      FF_OPENCL_PARAM_INFO(in->linesize[1]),
-                                      FF_OPENCL_PARAM_INFO(out->linesize[0]),
-                                      FF_OPENCL_PARAM_INFO(out->linesize[1]),
-                                      FF_OPENCL_PARAM_INFO(link->w),
-                                      FF_OPENCL_PARAM_INFO(link->h),
-                                      FF_OPENCL_PARAM_INFO(cw),
-                                      FF_OPENCL_PARAM_INFO(ch),
-                                      NULL);
-        if (ret < 0)
-            return ret;
-        status = clEnqueueNDRangeKernel(unsharp->opencl_ctx.command_queue,
-                                        unsharp->opencl_ctx.kernel_luma, 2, NULL,
-                                        globalWorkSize2dLuma, localWorkSize2d, 0, NULL, NULL);
-        status |=clEnqueueNDRangeKernel(unsharp->opencl_ctx.command_queue,
-                                        unsharp->opencl_ctx.kernel_chroma, 2, NULL,
-                                        globalWorkSize2dChroma, localWorkSize2d, 0, NULL, NULL);
-        if (status != CL_SUCCESS) {
-            av_log(ctx, AV_LOG_ERROR, "OpenCL run kernel error occurred: %s\n", av_opencl_errstr(status));
-            return AVERROR_EXTERNAL;
-        }
-    } else {    /* use default kernel */
-        kernel1.ctx = ctx;
-        kernel1.kernel = unsharp->opencl_ctx.kernel_default;
-
-        ret = avpriv_opencl_set_parameter(&kernel1,
-                                      FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_inbuf),
-                                      FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_outbuf),
-                                      FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_luma_mask),
-                                      FF_OPENCL_PARAM_INFO(unsharp->opencl_ctx.cl_chroma_mask),
-                                      FF_OPENCL_PARAM_INFO(unsharp->luma.amount),
-                                      FF_OPENCL_PARAM_INFO(unsharp->chroma.amount),
-                                      FF_OPENCL_PARAM_INFO(unsharp->luma.steps_x),
-                                      FF_OPENCL_PARAM_INFO(unsharp->luma.steps_y),
-                                      FF_OPENCL_PARAM_INFO(unsharp->chroma.steps_x),
-                                      FF_OPENCL_PARAM_INFO(unsharp->chroma.steps_y),
-                                      FF_OPENCL_PARAM_INFO(unsharp->luma.scalebits),
-                                      FF_OPENCL_PARAM_INFO(unsharp->chroma.scalebits),
-                                      FF_OPENCL_PARAM_INFO(unsharp->luma.halfscale),
-                                      FF_OPENCL_PARAM_INFO(unsharp->chroma.halfscale),
-                                      FF_OPENCL_PARAM_INFO(in->linesize[0]),
-                                      FF_OPENCL_PARAM_INFO(in->linesize[1]),
-                                      FF_OPENCL_PARAM_INFO(out->linesize[0]),
-                                      FF_OPENCL_PARAM_INFO(out->linesize[1]),
-                                      FF_OPENCL_PARAM_INFO(link->h),
-                                      FF_OPENCL_PARAM_INFO(link->w),
-                                      FF_OPENCL_PARAM_INFO(ch),
-                                      FF_OPENCL_PARAM_INFO(cw),
-                                      NULL);
-        if (ret < 0)
-            return ret;
-        status = clEnqueueNDRangeKernel(unsharp->opencl_ctx.command_queue,
-                                        unsharp->opencl_ctx.kernel_default, 1, NULL,
-                                        &globalWorkSize1d, NULL, 0, NULL, NULL);
-        if (status != CL_SUCCESS) {
-            av_log(ctx, AV_LOG_ERROR, "OpenCL run kernel error occurred: %s\n", av_opencl_errstr(status));
-            return AVERROR_EXTERNAL;
-        }
-    }
-    //blocking map is suffficient, no need for clFinish
-    //clFinish(unsharp->opencl_ctx.command_queue);
-
-    return av_opencl_buffer_read_image(out->data, unsharp->opencl_ctx.out_plane_size,
-                                       unsharp->opencl_ctx.plane_num, unsharp->opencl_ctx.cl_outbuf,
-                                       unsharp->opencl_ctx.cl_outbuf_size);
-}
-
-int ff_opencl_unsharp_init(AVFilterContext *ctx)
-{
-    int ret = 0;
-    char build_opts[96];
-    UnsharpContext *unsharp = ctx->priv;
-    ret = av_opencl_init(NULL);
-    if (ret < 0)
-        return ret;
-    ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_luma_mask,
-                                  sizeof(uint32_t) * (2 * unsharp->luma.steps_x + 1) * (2 * unsharp->luma.steps_y + 1),
-                                  CL_MEM_READ_ONLY, NULL);
-    if (ret < 0)
-        return ret;
-    ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_chroma_mask,
-                                  sizeof(uint32_t) * (2 * unsharp->chroma.steps_x + 1) * (2 * unsharp->chroma.steps_y + 1),
-                                  CL_MEM_READ_ONLY, NULL);
-    // separable filters
-    if (ret < 0)
-        return ret;
-    ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_luma_mask_x,
-                                  sizeof(uint32_t) * (2 * unsharp->luma.steps_x + 1),
-                                  CL_MEM_READ_ONLY, NULL);
-    if (ret < 0)
-        return ret;
-    ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_luma_mask_y,
-                                  sizeof(uint32_t) * (2 * unsharp->luma.steps_y + 1),
-                                  CL_MEM_READ_ONLY, NULL);
-    if (ret < 0)
-        return ret;
-    ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_chroma_mask_x,
-                                  sizeof(uint32_t) * (2 * unsharp->chroma.steps_x + 1),
-                                  CL_MEM_READ_ONLY, NULL);
-    if (ret < 0)
-        return ret;
-    ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_chroma_mask_y,
-                                  sizeof(uint32_t) * (2 * unsharp->chroma.steps_y + 1),
-                                  CL_MEM_READ_ONLY, NULL);
-    if (ret < 0)
-        return ret;
-    ret = generate_mask(ctx);
-    if (ret < 0)
-        return ret;
-    unsharp->opencl_ctx.plane_num = PLANE_NUM;
-    unsharp->opencl_ctx.command_queue = av_opencl_get_command_queue();
-    if (!unsharp->opencl_ctx.command_queue) {
-        av_log(ctx, AV_LOG_ERROR, "Unable to get OpenCL command queue in filter 'unsharp'\n");
-        return AVERROR(EINVAL);
-    }
-    snprintf(build_opts, 96, "-D LU_RADIUS_X=%d -D LU_RADIUS_Y=%d -D CH_RADIUS_X=%d -D CH_RADIUS_Y=%d",
-            2*unsharp->luma.steps_x+1, 2*unsharp->luma.steps_y+1, 2*unsharp->chroma.steps_x+1, 2*unsharp->chroma.steps_y+1);
-    unsharp->opencl_ctx.program = av_opencl_compile("unsharp", build_opts);
-    if (!unsharp->opencl_ctx.program) {
-        av_log(ctx, AV_LOG_ERROR, "OpenCL failed to compile program 'unsharp'\n");
-        return AVERROR(EINVAL);
-    }
-    if (unsharp->opencl_ctx.use_fast_kernels) {
-        if (!unsharp->opencl_ctx.kernel_luma) {
-            unsharp->opencl_ctx.kernel_luma = clCreateKernel(unsharp->opencl_ctx.program, "unsharp_luma", &ret);
-            if (ret != CL_SUCCESS) {
-                av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'unsharp_luma'\n");
-                return ret;
-            }
-        }
-        if (!unsharp->opencl_ctx.kernel_chroma) {
-            unsharp->opencl_ctx.kernel_chroma = clCreateKernel(unsharp->opencl_ctx.program, "unsharp_chroma", &ret);
-            if (ret < 0) {
-                av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'unsharp_chroma'\n");
-                return ret;
-            }
-        }
-    }
-    else {
-        if (!unsharp->opencl_ctx.kernel_default) {
-            unsharp->opencl_ctx.kernel_default = clCreateKernel(unsharp->opencl_ctx.program, "unsharp_default", &ret);
-            if (ret < 0) {
-                av_log(ctx, AV_LOG_ERROR, "OpenCL failed to create kernel 'unsharp_default'\n");
-                return ret;
-            }
-        }
-    }
-    return ret;
-}
-
-void ff_opencl_unsharp_uninit(AVFilterContext *ctx)
-{
-    UnsharpContext *unsharp = ctx->priv;
-    av_opencl_buffer_release(&unsharp->opencl_ctx.cl_inbuf);
-    av_opencl_buffer_release(&unsharp->opencl_ctx.cl_outbuf);
-    av_opencl_buffer_release(&unsharp->opencl_ctx.cl_luma_mask);
-    av_opencl_buffer_release(&unsharp->opencl_ctx.cl_chroma_mask);
-    av_opencl_buffer_release(&unsharp->opencl_ctx.cl_luma_mask_x);
-    av_opencl_buffer_release(&unsharp->opencl_ctx.cl_chroma_mask_x);
-    av_opencl_buffer_release(&unsharp->opencl_ctx.cl_luma_mask_y);
-    av_opencl_buffer_release(&unsharp->opencl_ctx.cl_chroma_mask_y);
-    clReleaseKernel(unsharp->opencl_ctx.kernel_default);
-    clReleaseKernel(unsharp->opencl_ctx.kernel_luma);
-    clReleaseKernel(unsharp->opencl_ctx.kernel_chroma);
-    clReleaseProgram(unsharp->opencl_ctx.program);
-    unsharp->opencl_ctx.command_queue = NULL;
-    av_opencl_uninit();
-}
-
-int ff_opencl_unsharp_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out)
-{
-    int ret = 0;
-    AVFilterLink *link = ctx->inputs[0];
-    UnsharpContext *unsharp = ctx->priv;
-    int ch = AV_CEIL_RSHIFT(link->h, unsharp->vsub);
-
-    if ((!unsharp->opencl_ctx.cl_inbuf) || (!unsharp->opencl_ctx.cl_outbuf)) {
-        unsharp->opencl_ctx.in_plane_size[0]  = (in->linesize[0] * in->height);
-        unsharp->opencl_ctx.in_plane_size[1]  = (in->linesize[1] * ch);
-        unsharp->opencl_ctx.in_plane_size[2]  = (in->linesize[2] * ch);
-        unsharp->opencl_ctx.out_plane_size[0] = (out->linesize[0] * out->height);
-        unsharp->opencl_ctx.out_plane_size[1] = (out->linesize[1] * ch);
-        unsharp->opencl_ctx.out_plane_size[2] = (out->linesize[2] * ch);
-        unsharp->opencl_ctx.cl_inbuf_size  = unsharp->opencl_ctx.in_plane_size[0] +
-                                             unsharp->opencl_ctx.in_plane_size[1] +
-                                             unsharp->opencl_ctx.in_plane_size[2];
-        unsharp->opencl_ctx.cl_outbuf_size = unsharp->opencl_ctx.out_plane_size[0] +
-                                             unsharp->opencl_ctx.out_plane_size[1] +
-                                             unsharp->opencl_ctx.out_plane_size[2];
-        if (!unsharp->opencl_ctx.cl_inbuf) {
-            ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_inbuf,
-                                          unsharp->opencl_ctx.cl_inbuf_size,
-                                          CL_MEM_READ_ONLY, NULL);
-            if (ret < 0)
-                return ret;
-        }
-        if (!unsharp->opencl_ctx.cl_outbuf) {
-            ret = av_opencl_buffer_create(&unsharp->opencl_ctx.cl_outbuf,
-                                          unsharp->opencl_ctx.cl_outbuf_size,
-                                          CL_MEM_READ_WRITE, NULL);
-            if (ret < 0)
-                return ret;
-        }
-    }
-    return av_opencl_buffer_write_image(unsharp->opencl_ctx.cl_inbuf,
-                                        unsharp->opencl_ctx.cl_inbuf_size,
-                                        0, in->data, unsharp->opencl_ctx.in_plane_size,
-                                        unsharp->opencl_ctx.plane_num);
-}
diff --git a/libavfilter/unsharp_opencl.h b/libavfilter/unsharp_opencl.h
deleted file mode 100644
index 3aefab62e0..0000000000
--- a/libavfilter/unsharp_opencl.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
- *
- * 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 AVFILTER_UNSHARP_OPENCL_H
-#define AVFILTER_UNSHARP_OPENCL_H
-
-#include "unsharp.h"
-
-int ff_opencl_unsharp_init(AVFilterContext *ctx);
-
-void ff_opencl_unsharp_uninit(AVFilterContext *ctx);
-
-int ff_opencl_unsharp_process_inout_buf(AVFilterContext *ctx, AVFrame *in, AVFrame *out);
-
-int ff_opencl_apply_unsharp(AVFilterContext *ctx, AVFrame *in, AVFrame *out);
-
-#endif /* AVFILTER_UNSHARP_OPENCL_H */
diff --git a/libavfilter/unsharp_opencl_kernel.h b/libavfilter/unsharp_opencl_kernel.h
deleted file mode 100644
index 307d0f1814..0000000000
--- a/libavfilter/unsharp_opencl_kernel.h
+++ /dev/null
@@ -1,342 +0,0 @@
-/*
- * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
- * Copyright (C) 2013 Lenny Wang
- *
- * 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 AVFILTER_UNSHARP_OPENCL_KERNEL_H
-#define AVFILTER_UNSHARP_OPENCL_KERNEL_H
-
-#include "libavutil/opencl.h"
-
-const char *ff_kernel_unsharp_opencl = AV_OPENCL_KERNEL(
-inline unsigned char clip_uint8(int a)
-{
-    if (a & (~0xFF))
-        return (-a)>>31;
-    else
-        return a;
-}
-
-kernel void unsharp_luma(
-                    global unsigned char *src,
-                    global unsigned char *dst,
-                    global int *mask_x,
-                    global int *mask_y,
-                    int amount,
-                    int scalebits,
-                    int halfscale,
-                    int src_stride,
-                    int dst_stride,
-                    int width,
-                    int height)
-{
-    int2 threadIdx, blockIdx, globalIdx;
-    threadIdx.x = get_local_id(0);
-    threadIdx.y = get_local_id(1);
-    blockIdx.x = get_group_id(0);
-    blockIdx.y = get_group_id(1);
-    globalIdx.x = get_global_id(0);
-    globalIdx.y = get_global_id(1);
-
-    if (!amount) {
-        if (globalIdx.x < width && globalIdx.y < height)
-            dst[globalIdx.x + globalIdx.y*dst_stride] = src[globalIdx.x + globalIdx.y*src_stride];
-        return;
-    }
-
-    local unsigned int l[32][32];
-    local unsigned int lcx[LU_RADIUS_X];
-    local unsigned int lcy[LU_RADIUS_Y];
-    int indexIx, indexIy, i, j;
-
-    //load up tile: actual workspace + halo of 8 points in x and y \n
-    for(i = 0; i <= 1; i++) {
-        indexIy = -8 + (blockIdx.y + i) * 16 + threadIdx.y;
-        indexIy = indexIy < 0 ? 0 : indexIy;
-        indexIy = indexIy >= height ? height - 1: indexIy;
-        for(j = 0; j <= 1; j++) {
-            indexIx = -8 + (blockIdx.x + j) * 16 + threadIdx.x;
-            indexIx = indexIx < 0 ? 0 : indexIx;
-            indexIx = indexIx >= width ? width - 1: indexIx;
-            l[i*16 + threadIdx.y][j*16 + threadIdx.x] = src[indexIy*src_stride + indexIx];
-        }
-    }
-
-    int indexL = threadIdx.y*16 + threadIdx.x;
-    if (indexL < LU_RADIUS_X)
-        lcx[indexL] = mask_x[indexL];
-    if (indexL < LU_RADIUS_Y)
-        lcy[indexL] = mask_y[indexL];
-    barrier(CLK_LOCAL_MEM_FENCE);
-
-    //needed for unsharp mask application in the end \n
-    int orig_value = (int)l[threadIdx.y + 8][threadIdx.x + 8];
-
-    int idx, idy, maskIndex;
-    int temp[2] = {0};
-    int steps_x = (LU_RADIUS_X-1)/2;
-    int steps_y = (LU_RADIUS_Y-1)/2;
-
-    // compute the actual workspace + left&right halos \n
-      \n#pragma unroll\n
-    for (j = 0; j <=1; j++) {
-      //extra work to cover left and right halos \n
-      idx = 16*j + threadIdx.x;
-      \n#pragma unroll\n
-        for (i = -steps_y; i <= steps_y; i++) {
-          idy = 8 + i + threadIdx.y;
-          maskIndex = (i + steps_y);
-          temp[j] += (int)l[idy][idx] * lcy[maskIndex];
-        }
-    }
-    barrier(CLK_LOCAL_MEM_FENCE);
-    //save results from the vertical filter in local memory \n
-    idy = 8 + threadIdx.y;
-      \n#pragma unroll\n
-    for (j = 0; j <=1; j++) {
-      idx = 16*j + threadIdx.x;
-      l[idy][idx] = temp[j];
-    }
-    barrier(CLK_LOCAL_MEM_FENCE);
-
-    //compute results with the horizontal filter \n
-    int sum = 0;
-    idy = 8 + threadIdx.y;
-    \n#pragma unroll\n
-      for (j = -steps_x; j <= steps_x; j++) {
-        idx = 8 + j + threadIdx.x;
-        maskIndex = j + steps_x;
-        sum += (int)l[idy][idx] * lcx[maskIndex];
-      }
-
-    int res = orig_value + (((orig_value - (int)((sum + halfscale) >> scalebits)) * amount) >> 16);
-
-    if (globalIdx.x < width && globalIdx.y < height)
-        dst[globalIdx.x + globalIdx.y*dst_stride] = clip_uint8(res);
-}
-
-kernel void unsharp_chroma(
-                    global unsigned char *src_y,
-                    global unsigned char *dst_y,
-                    global int *mask_x,
-                    global int *mask_y,
-                    int amount,
-                    int scalebits,
-                    int halfscale,
-                    int src_stride_lu,
-                    int src_stride_ch,
-                    int dst_stride_lu,
-                    int dst_stride_ch,
-                    int width,
-                    int height,
-                    int cw,
-                    int ch)
-{
-    global unsigned char *dst_u = dst_y + height * dst_stride_lu;
-    global unsigned char *dst_v = dst_u + ch * dst_stride_ch;
-    global unsigned char *src_u = src_y + height * src_stride_lu;
-    global unsigned char *src_v = src_u + ch * src_stride_ch;
-    int2 threadIdx, blockIdx, globalIdx;
-    threadIdx.x = get_local_id(0);
-    threadIdx.y = get_local_id(1);
-    blockIdx.x = get_group_id(0);
-    blockIdx.y = get_group_id(1);
-    globalIdx.x = get_global_id(0);
-    globalIdx.y = get_global_id(1);
-    int padch = get_global_size(1)/2;
-    global unsigned char *src = globalIdx.y>=padch ? src_v : src_u;
-    global unsigned char *dst = globalIdx.y>=padch ? dst_v : dst_u;
-
-    blockIdx.y = globalIdx.y>=padch ? blockIdx.y - get_num_groups(1)/2 : blockIdx.y;
-    globalIdx.y = globalIdx.y>=padch ? globalIdx.y - padch : globalIdx.y;
-
-    if (!amount) {
-        if (globalIdx.x < cw && globalIdx.y < ch)
-            dst[globalIdx.x + globalIdx.y*dst_stride_ch] = src[globalIdx.x + globalIdx.y*src_stride_ch];
-        return;
-    }
-
-    local unsigned int l[32][32];
-    local unsigned int lcx[CH_RADIUS_X];
-    local unsigned int lcy[CH_RADIUS_Y];
-    int indexIx, indexIy, i, j;
-    for(i = 0; i <= 1; i++) {
-        indexIy = -8 + (blockIdx.y + i) * 16 + threadIdx.y;
-        indexIy = indexIy < 0 ? 0 : indexIy;
-        indexIy = indexIy >= ch ? ch - 1: indexIy;
-        for(j = 0; j <= 1; j++) {
-            indexIx = -8 + (blockIdx.x + j) * 16 + threadIdx.x;
-            indexIx = indexIx < 0 ? 0 : indexIx;
-            indexIx = indexIx >= cw ? cw - 1: indexIx;
-            l[i*16 + threadIdx.y][j*16 + threadIdx.x] = src[indexIy * src_stride_ch + indexIx];
-        }
-    }
-
-    int indexL = threadIdx.y*16 + threadIdx.x;
-    if (indexL < CH_RADIUS_X)
-        lcx[indexL] = mask_x[indexL];
-    if (indexL < CH_RADIUS_Y)
-        lcy[indexL] = mask_y[indexL];
-    barrier(CLK_LOCAL_MEM_FENCE);
-
-    int orig_value = (int)l[threadIdx.y + 8][threadIdx.x + 8];
-
-    int idx, idy, maskIndex;
-    int steps_x = CH_RADIUS_X/2;
-    int steps_y = CH_RADIUS_Y/2;
-    int temp[2] = {0,0};
-
-    \n#pragma unroll\n
-      for (j = 0; j <= 1; j++) {
-        idx = 16*j + threadIdx.x;
-        \n#pragma unroll\n
-          for (i = -steps_y; i <= steps_y; i++) {
-            idy = 8 + i + threadIdx.y;
-            maskIndex = i + steps_y;
-            temp[j] += (int)l[idy][idx] * lcy[maskIndex];
-          }
-      }
-
-    barrier(CLK_LOCAL_MEM_FENCE);
-    idy = 8 + threadIdx.y;
-    \n#pragma unroll\n
-    for (j = 0; j <= 1; j++) {
-      idx = 16*j + threadIdx.x;
-      l[idy][idx] = temp[j];
-    }
-    barrier(CLK_LOCAL_MEM_FENCE);
-
-    //compute results with the horizontal filter \n
-    int sum = 0;
-    idy = 8 + threadIdx.y;
-    \n#pragma unroll\n
-      for (j = -steps_x; j <= steps_x; j++) {
-        idx = 8 + j + threadIdx.x;
-        maskIndex = j + steps_x;
-        sum += (int)l[idy][idx] * lcx[maskIndex];
-      }
-
-    int res = orig_value + (((orig_value - (int)((sum + halfscale) >> scalebits)) * amount) >> 16);
-
-    if (globalIdx.x < cw && globalIdx.y < ch)
-        dst[globalIdx.x + globalIdx.y*dst_stride_ch] = clip_uint8(res);
-}
-
-kernel void unsharp_default(global  unsigned char *src,
-                    global  unsigned char *dst,
-                    const global  unsigned int *mask_lu,
-                    const global  unsigned int *mask_ch,
-                    int amount_lu,
-                    int amount_ch,
-                    int step_x_lu,
-                    int step_y_lu,
-                    int step_x_ch,
-                    int step_y_ch,
-                    int scalebits_lu,
-                    int scalebits_ch,
-                    int halfscale_lu,
-                    int halfscale_ch,
-                    int src_stride_lu,
-                    int src_stride_ch,
-                    int dst_stride_lu,
-                    int dst_stride_ch,
-                    int height,
-                    int width,
-                    int ch,
-                    int cw)
-{
-    global unsigned char *dst_y = dst;
-    global unsigned char *dst_u = dst_y + height * dst_stride_lu;
-    global unsigned char *dst_v = dst_u + ch * dst_stride_ch;
-
-    global unsigned char *src_y = src;
-    global unsigned char *src_u = src_y + height * src_stride_lu;
-    global unsigned char *src_v = src_u + ch * src_stride_ch;
-
-    global unsigned char *temp_dst;
-    global unsigned char *temp_src;
-    const global unsigned int *temp_mask;
-    int global_id = get_global_id(0);
-    int i, j, x, y, temp_src_stride, temp_dst_stride, temp_height, temp_width, temp_steps_x, temp_steps_y,
-        temp_amount, temp_scalebits, temp_halfscale, sum, idx_x, idx_y, temp, res;
-    if (global_id < width * height) {
-        y = global_id / width;
-        x = global_id % width;
-        temp_dst = dst_y;
-        temp_src = src_y;
-        temp_src_stride = src_stride_lu;
-        temp_dst_stride = dst_stride_lu;
-        temp_height = height;
-        temp_width = width;
-        temp_steps_x = step_x_lu;
-        temp_steps_y = step_y_lu;
-        temp_mask = mask_lu;
-        temp_amount = amount_lu;
-        temp_scalebits = scalebits_lu;
-        temp_halfscale = halfscale_lu;
-    } else if ((global_id >= width * height) && (global_id < width * height + ch * cw)) {
-        y = (global_id - width * height) / cw;
-        x = (global_id - width * height) % cw;
-        temp_dst = dst_u;
-        temp_src = src_u;
-        temp_src_stride = src_stride_ch;
-        temp_dst_stride = dst_stride_ch;
-        temp_height = ch;
-        temp_width = cw;
-        temp_steps_x = step_x_ch;
-        temp_steps_y = step_y_ch;
-        temp_mask = mask_ch;
-        temp_amount = amount_ch;
-        temp_scalebits = scalebits_ch;
-        temp_halfscale = halfscale_ch;
-    } else {
-        y = (global_id - width * height - ch * cw) / cw;
-        x = (global_id - width * height - ch * cw) % cw;
-        temp_dst = dst_v;
-        temp_src = src_v;
-        temp_src_stride = src_stride_ch;
-        temp_dst_stride = dst_stride_ch;
-        temp_height = ch;
-        temp_width = cw;
-        temp_steps_x = step_x_ch;
-        temp_steps_y = step_y_ch;
-        temp_mask = mask_ch;
-        temp_amount = amount_ch;
-        temp_scalebits = scalebits_ch;
-        temp_halfscale = halfscale_ch;
-    }
-    if (temp_amount) {
-        sum = 0;
-        for (j = 0; j <= 2 * temp_steps_y; j++) {
-            idx_y = (y - temp_steps_y + j) <= 0 ? 0 : (y - temp_steps_y + j) >= temp_height ? temp_height-1 : y - temp_steps_y + j;
-            for (i = 0; i <= 2 * temp_steps_x; i++) {
-                idx_x = (x - temp_steps_x + i) <= 0 ? 0 : (x - temp_steps_x + i) >= temp_width ? temp_width-1 : x - temp_steps_x + i;
-                sum += temp_mask[i + j * (2 * temp_steps_x + 1)] * temp_src[idx_x + idx_y * temp_src_stride];
-            }
-        }
-        temp = (int)temp_src[x + y * temp_src_stride];
-        res = temp + (((temp - (int)((sum + temp_halfscale) >> temp_scalebits)) * temp_amount) >> 16);
-        temp_dst[x + y * temp_dst_stride] = clip_uint8(res);
-    } else {
-        temp_dst[x + y * temp_dst_stride] = temp_src[x + y * temp_src_stride];
-    }
-}
-);
-
-#endif /* AVFILTER_UNSHARP_OPENCL_KERNEL_H */
diff --git a/libavfilter/vf_deshake.c b/libavfilter/vf_deshake.c
index 64b48c6d02..fb4eb355b8 100644
--- a/libavfilter/vf_deshake.c
+++ b/libavfilter/vf_deshake.c
@@ -60,7 +60,6 @@
 #include "libavutil/qsort.h"
 
 #include "deshake.h"
-#include "deshake_opencl.h"
 
 #define OFFSET(x) offsetof(DeshakeContext, x)
 #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM
@@ -83,7 +82,7 @@ static const AVOption deshake_options[] = {
         { "exhaustive", "exhaustive search",      0, AV_OPT_TYPE_CONST, {.i64=EXHAUSTIVE},       INT_MIN, INT_MAX, FLAGS, "smode" },
         { "less",       "less exhaustive search", 0, AV_OPT_TYPE_CONST, {.i64=SMART_EXHAUSTIVE}, INT_MIN, INT_MAX, FLAGS, "smode" },
     { "filename", "set motion search detailed log file name", OFFSET(filename), AV_OPT_TYPE_STRING, {.str=NULL}, .flags = FLAGS },
-    { "opencl", "use OpenCL filtering capabilities", OFFSET(opencl), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, .flags = FLAGS },
+    { "opencl", "ignored",                              OFFSET(opencl), AV_OPT_TYPE_BOOL, {.i64=0}, 0, 1, .flags = FLAGS },
     { NULL }
 };
 
@@ -341,7 +340,6 @@ static int deshake_transform_c(AVFilterContext *ctx,
 
 static av_cold int init(AVFilterContext *ctx)
 {
-    int ret;
     DeshakeContext *deshake = ctx->priv;
 
     deshake->sad = av_pixelutils_get_sad_fn(4, 4, 1, deshake); // 16x16, 2nd source unaligned
@@ -369,17 +367,7 @@ static av_cold int init(AVFilterContext *ctx)
         deshake->cx &= ~15;
     }
     deshake->transform = deshake_transform_c;
-    if (!CONFIG_OPENCL && deshake->opencl) {
-        av_log(ctx, AV_LOG_ERROR, "OpenCL support was not enabled in this build, cannot be selected\n");
-        return AVERROR(EINVAL);
-    }
 
-    if (CONFIG_OPENCL && deshake->opencl) {
-        deshake->transform = ff_opencl_transform;
-        ret = ff_opencl_deshake_init(ctx);
-        if (ret < 0)
-            return ret;
-    }
     av_log(ctx, AV_LOG_VERBOSE, "cx: %d, cy: %d, cw: %d, ch: %d, rx: %d, ry: %d, edge: %d blocksize: %d contrast: %d search: %d\n",
            deshake->cx, deshake->cy, deshake->cw, deshake->ch,
            deshake->rx, deshake->ry, deshake->edge, deshake->blocksize * 2, deshake->contrast, deshake->search);
@@ -416,9 +404,6 @@ static int config_props(AVFilterLink *link)
 static av_cold void uninit(AVFilterContext *ctx)
 {
     DeshakeContext *deshake = ctx->priv;
-    if (CONFIG_OPENCL && deshake->opencl) {
-        ff_opencl_deshake_uninit(ctx);
-    }
     av_frame_free(&deshake->ref);
     av_freep(&deshake->angles);
     deshake->angles_size = 0;
@@ -447,12 +432,6 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
     }
     av_frame_copy_props(out, in);
 
-    if (CONFIG_OPENCL && deshake->opencl) {
-        ret = ff_opencl_deshake_process_inout_buf(link->dst,in, out);
-        if (ret < 0)
-            goto fail;
-    }
-
     if (deshake->cx < 0 || deshake->cy < 0 || deshake->cw < 0 || deshake->ch < 0) {
         // Find the most likely global motion for the current frame
         find_motion(deshake, (deshake->ref == NULL) ? in->data[0] : deshake->ref->data[0], in->data[0], link->w, link->h, in->linesize[0], &t);
diff --git a/libavfilter/vf_unsharp.c b/libavfilter/vf_unsharp.c
index 438ff6d8fb..41ccc56942 100644
--- a/libavfilter/vf_unsharp.c
+++ b/libavfilter/vf_unsharp.c
@@ -46,7 +46,6 @@
 #include "libavutil/opt.h"
 #include "libavutil/pixdesc.h"
 #include "unsharp.h"
-#include "unsharp_opencl.h"
 
 static void apply_unsharp(      uint8_t *dst, int dst_stride,
                           const uint8_t *src, int src_stride,
@@ -134,10 +133,8 @@ static void set_filter_param(UnsharpFilterParam *fp, int msize_x, int msize_y, f
 
 static av_cold int init(AVFilterContext *ctx)
 {
-    int ret = 0;
     UnsharpContext *s = ctx->priv;
 
-
     set_filter_param(&s->luma,   s->lmsize_x, s->lmsize_y, s->lamount);
     set_filter_param(&s->chroma, s->cmsize_x, s->cmsize_y, s->camount);
 
@@ -146,16 +143,6 @@ static av_cold int init(AVFilterContext *ctx)
         return AVERROR(EINVAL);
     }
     s->apply_unsharp = apply_unsharp_c;
-    if (!CONFIG_OPENCL && s->opencl) {
-        av_log(ctx, AV_LOG_ERROR, "OpenCL support was not enabled in this build, cannot be selected\n");
-        return AVERROR(EINVAL);
-    }
-    if (CONFIG_OPENCL && s->opencl) {
-        s->apply_unsharp = ff_opencl_apply_unsharp;
-        ret = ff_opencl_unsharp_init(ctx);
-        if (ret < 0)
-            return ret;
-    }
     return 0;
 }
 
@@ -227,10 +214,6 @@ static av_cold void uninit(AVFilterContext *ctx)
 {
     UnsharpContext *s = ctx->priv;
 
-    if (CONFIG_OPENCL && s->opencl) {
-        ff_opencl_unsharp_uninit(ctx);
-    }
-
     free_filter_param(&s->luma);
     free_filter_param(&s->chroma);
 }
@@ -248,14 +231,9 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
         return AVERROR(ENOMEM);
     }
     av_frame_copy_props(out, in);
-    if (CONFIG_OPENCL && s->opencl) {
-        ret = ff_opencl_unsharp_process_inout_buf(link->dst, in, out);
-        if (ret < 0)
-            goto end;
-    }
 
     ret = s->apply_unsharp(link->dst, in, out);
-end:
+
     av_frame_free(&in);
 
     if (ret < 0) {
@@ -282,7 +260,7 @@ static const AVOption unsharp_options[] = {
     { "cy",             "set chroma matrix vertical size",   OFFSET(cmsize_y), AV_OPT_TYPE_INT,   { .i64 = 5 }, MIN_SIZE, MAX_SIZE, FLAGS },
     { "chroma_amount",  "set chroma effect strength",        OFFSET(camount),  AV_OPT_TYPE_FLOAT, { .dbl = 0 },       -2,        5, FLAGS },
     { "ca",             "set chroma effect strength",        OFFSET(camount),  AV_OPT_TYPE_FLOAT, { .dbl = 0 },       -2,        5, FLAGS },
-    { "opencl",         "use OpenCL filtering capabilities", OFFSET(opencl),   AV_OPT_TYPE_BOOL,  { .i64 = 0 },        0,        1, FLAGS },
+    { "opencl",         "ignored",                           OFFSET(opencl),   AV_OPT_TYPE_BOOL,  { .i64 = 0 },        0,        1, FLAGS },
     { NULL }
 };
 
diff --git a/libavutil/Makefile b/libavutil/Makefile
index cc70c4e29f..721784086c 100644
--- a/libavutil/Makefile
+++ b/libavutil/Makefile
@@ -79,8 +79,6 @@ HEADERS = adler32.h                                                     \
 
 HEADERS-$(CONFIG_LZO)                   += lzo.h
 
-HEADERS-$(CONFIG_OPENCL)                += opencl.h
-
 ARCH_HEADERS = bswap.h                                                  \
                intmath.h                                                \
                intreadwrite.h                                           \
@@ -164,7 +162,6 @@ OBJS-$(CONFIG_DXVA2)                    += hwcontext_dxva2.o
 OBJS-$(CONFIG_QSV)                   += hwcontext_qsv.o
 OBJS-$(CONFIG_LIBDRM)                   += hwcontext_drm.o
 OBJS-$(CONFIG_LZO)                      += lzo.o
-OBJS-$(CONFIG_OPENCL)                   += opencl.o opencl_internal.o
 OBJS-$(CONFIG_OPENCL)                   += hwcontext_opencl.o
 OBJS-$(CONFIG_VAAPI)                    += hwcontext_vaapi.o
 OBJS-$(CONFIG_VIDEOTOOLBOX)             += hwcontext_videotoolbox.o
@@ -187,7 +184,6 @@ SKIPHEADERS-$(CONFIG_VDPAU)            += hwcontext_vdpau.h
 SKIPHEADERS-$(HAVE_ATOMICS_GCC)        += atomic_gcc.h
 SKIPHEADERS-$(HAVE_ATOMICS_SUNCC)      += atomic_suncc.h
 SKIPHEADERS-$(HAVE_ATOMICS_WIN32)      += atomic_win32.h
-SKIPHEADERS-$(CONFIG_OPENCL)           += opencl.h
 
 TESTPROGS = adler32                                                     \
             aes                                                         \
diff --git a/libavutil/opencl.c b/libavutil/opencl.c
deleted file mode 100644
index 202756516b..0000000000
--- a/libavutil/opencl.c
+++ /dev/null
@@ -1,875 +0,0 @@
-/*
- * Copyright (C) 2012 Peng  Gao     <peng@multicorewareinc.com>
- * Copyright (C) 2012 Li    Cao     <li@multicorewareinc.com>
- * Copyright (C) 2012 Wei   Gao     <weigao@multicorewareinc.com>
- * Copyright (C) 2013 Lenny Wang    <lwanghpc@gmail.com>
- *
- * 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 "opencl.h"
-#include "avstring.h"
-#include "log.h"
-#include "avassert.h"
-#include "opt.h"
-
-#if HAVE_THREADS
-#include "thread.h"
-#include "atomic.h"
-
-static pthread_mutex_t * volatile atomic_opencl_lock = NULL;
-#define LOCK_OPENCL pthread_mutex_lock(atomic_opencl_lock)
-#define UNLOCK_OPENCL pthread_mutex_unlock(atomic_opencl_lock)
-#else
-#define LOCK_OPENCL
-#define UNLOCK_OPENCL
-#endif
-
-#define MAX_KERNEL_CODE_NUM 200
-
-typedef struct {
-    int is_compiled;
-    const char *kernel_string;
-} KernelCode;
-
-typedef struct {
-    const AVClass *class;
-    int log_offset;
-    void *log_ctx;
-    int init_count;
-    int opt_init_flag;
-     /**
-     * if set to 1, the OpenCL environment was created by the user and
-     * passed as AVOpenCLExternalEnv when initing ,0:created by opencl wrapper.
-     */
-    int is_user_created;
-    int platform_idx;
-    int device_idx;
-    cl_platform_id platform_id;
-    cl_device_type device_type;
-    cl_context context;
-    cl_device_id device_id;
-    cl_command_queue command_queue;
-    int kernel_code_count;
-    KernelCode kernel_code[MAX_KERNEL_CODE_NUM];
-    AVOpenCLDeviceList device_list;
-} OpenclContext;
-
-#define OFFSET(x) offsetof(OpenclContext, x)
-
-static const AVOption opencl_options[] = {
-     { "platform_idx",        "set platform index value",  OFFSET(platform_idx),  AV_OPT_TYPE_INT,    {.i64=-1}, -1, INT_MAX},
-     { "device_idx",          "set device index value",    OFFSET(device_idx),    AV_OPT_TYPE_INT,    {.i64=-1}, -1, INT_MAX},
-     { NULL }
-};
-
-static const AVClass openclutils_class = {
-    .class_name                = "opencl",
-    .option                    = opencl_options,
-    .item_name                 = av_default_item_name,
-    .version                   = LIBAVUTIL_VERSION_INT,
-    .log_level_offset_offset   = offsetof(OpenclContext, log_offset),
-    .parent_log_context_offset = offsetof(OpenclContext, log_ctx),
-};
-
-static OpenclContext opencl_ctx = {&openclutils_class};
-
-static const cl_device_type device_type[] = {CL_DEVICE_TYPE_GPU, CL_DEVICE_TYPE_CPU};
-
-typedef struct {
-    int err_code;
-    const char *err_str;
-} OpenclErrorMsg;
-
-static const OpenclErrorMsg opencl_err_msg[] = {
-    {CL_DEVICE_NOT_FOUND,                               "DEVICE NOT FOUND"},
-    {CL_DEVICE_NOT_AVAILABLE,                           "DEVICE NOT AVAILABLE"},
-    {CL_COMPILER_NOT_AVAILABLE,                         "COMPILER NOT AVAILABLE"},
-    {CL_MEM_OBJECT_ALLOCATION_FAILURE,                  "MEM OBJECT ALLOCATION FAILURE"},
-    {CL_OUT_OF_RESOURCES,                               "OUT OF RESOURCES"},
-    {CL_OUT_OF_HOST_MEMORY,                             "OUT OF HOST MEMORY"},
-    {CL_PROFILING_INFO_NOT_AVAILABLE,                   "PROFILING INFO NOT AVAILABLE"},
-    {CL_MEM_COPY_OVERLAP,                               "MEM COPY OVERLAP"},
-    {CL_IMAGE_FORMAT_MISMATCH,                          "IMAGE FORMAT MISMATCH"},
-    {CL_IMAGE_FORMAT_NOT_SUPPORTED,                     "IMAGE FORMAT NOT_SUPPORTED"},
-    {CL_BUILD_PROGRAM_FAILURE,                          "BUILD PROGRAM FAILURE"},
-    {CL_MAP_FAILURE,                                    "MAP FAILURE"},
-    {CL_MISALIGNED_SUB_BUFFER_OFFSET,                   "MISALIGNED SUB BUFFER OFFSET"},
-    {CL_EXEC_STATUS_ERROR_FOR_EVENTS_IN_WAIT_LIST,      "EXEC STATUS ERROR FOR EVENTS IN WAIT LIST"},
-    {CL_COMPILE_PROGRAM_FAILURE,                        "COMPILE PROGRAM FAILURE"},
-    {CL_LINKER_NOT_AVAILABLE,                           "LINKER NOT AVAILABLE"},
-    {CL_LINK_PROGRAM_FAILURE,                           "LINK PROGRAM FAILURE"},
-    {CL_DEVICE_PARTITION_FAILED,                        "DEVICE PARTITION FAILED"},
-    {CL_KERNEL_ARG_INFO_NOT_AVAILABLE,                  "KERNEL ARG INFO NOT AVAILABLE"},
-    {CL_INVALID_VALUE,                                  "INVALID VALUE"},
-    {CL_INVALID_DEVICE_TYPE,                            "INVALID DEVICE TYPE"},
-    {CL_INVALID_PLATFORM,                               "INVALID PLATFORM"},
-    {CL_INVALID_DEVICE,                                 "INVALID DEVICE"},
-    {CL_INVALID_CONTEXT,                                "INVALID CONTEXT"},
-    {CL_INVALID_QUEUE_PROPERTIES,                       "INVALID QUEUE PROPERTIES"},
-    {CL_INVALID_COMMAND_QUEUE,                          "INVALID COMMAND QUEUE"},
-    {CL_INVALID_HOST_PTR,                               "INVALID HOST PTR"},
-    {CL_INVALID_MEM_OBJECT,                             "INVALID MEM OBJECT"},
-    {CL_INVALID_IMAGE_FORMAT_DESCRIPTOR,                "INVALID IMAGE FORMAT DESCRIPTOR"},
-    {CL_INVALID_IMAGE_SIZE,                             "INVALID IMAGE SIZE"},
-    {CL_INVALID_SAMPLER,                                "INVALID SAMPLER"},
-    {CL_INVALID_BINARY,                                 "INVALID BINARY"},
-    {CL_INVALID_BUILD_OPTIONS,                          "INVALID BUILD OPTIONS"},
-    {CL_INVALID_PROGRAM,                                "INVALID PROGRAM"},
-    {CL_INVALID_PROGRAM_EXECUTABLE,                     "INVALID PROGRAM EXECUTABLE"},
-    {CL_INVALID_KERNEL_NAME,                            "INVALID KERNEL NAME"},
-    {CL_INVALID_KERNEL_DEFINITION,                      "INVALID KERNEL DEFINITION"},
-    {CL_INVALID_KERNEL,                                 "INVALID KERNEL"},
-    {CL_INVALID_ARG_INDEX,                              "INVALID ARG INDEX"},
-    {CL_INVALID_ARG_VALUE,                              "INVALID ARG VALUE"},
-    {CL_INVALID_ARG_SIZE,                               "INVALID ARG_SIZE"},
-    {CL_INVALID_KERNEL_ARGS,                            "INVALID KERNEL ARGS"},
-    {CL_INVALID_WORK_DIMENSION,                         "INVALID WORK DIMENSION"},
-    {CL_INVALID_WORK_GROUP_SIZE,                        "INVALID WORK GROUP SIZE"},
-    {CL_INVALID_WORK_ITEM_SIZE,                         "INVALID WORK ITEM SIZE"},
-    {CL_INVALID_GLOBAL_OFFSET,                          "INVALID GLOBAL OFFSET"},
-    {CL_INVALID_EVENT_WAIT_LIST,                        "INVALID EVENT WAIT LIST"},
-    {CL_INVALID_EVENT,                                  "INVALID EVENT"},
-    {CL_INVALID_OPERATION,                              "INVALID OPERATION"},
-    {CL_INVALID_GL_OBJECT,                              "INVALID GL OBJECT"},
-    {CL_INVALID_BUFFER_SIZE,                            "INVALID BUFFER SIZE"},
-    {CL_INVALID_MIP_LEVEL,                              "INVALID MIP LEVEL"},
-    {CL_INVALID_GLOBAL_WORK_SIZE,                       "INVALID GLOBAL WORK SIZE"},
-    {CL_INVALID_PROPERTY,                               "INVALID PROPERTY"},
-    {CL_INVALID_IMAGE_DESCRIPTOR,                       "INVALID IMAGE DESCRIPTOR"},
-    {CL_INVALID_COMPILER_OPTIONS,                       "INVALID COMPILER OPTIONS"},
-    {CL_INVALID_LINKER_OPTIONS,                         "INVALID LINKER OPTIONS"},
-    {CL_INVALID_DEVICE_PARTITION_COUNT,                 "INVALID DEVICE PARTITION COUNT"},
-};
-
-const char *av_opencl_errstr(cl_int status)
-{
-    int i;
-    for (i = 0; i < FF_ARRAY_ELEMS(opencl_err_msg); i++) {
-        if (opencl_err_msg[i].err_code == status)
-            return opencl_err_msg[i].err_str;
-    }
-    return "unknown error";
-}
-
-static void free_device_list(AVOpenCLDeviceList *device_list)
-{
-    int i, j;
-    if (!device_list || !device_list->platform_node)
-        return;
-    for (i = 0; i < device_list->platform_num; i++) {
-        if (!device_list->platform_node[i])
-            continue;
-        for (j = 0; j < device_list->platform_node[i]->device_num; j++) {
-            av_freep(&(device_list->platform_node[i]->device_node[j]->device_name));
-            av_freep(&(device_list->platform_node[i]->device_node[j]));
-        }
-        av_freep(&device_list->platform_node[i]->device_node);
-        av_freep(&(device_list->platform_node[i]->platform_name));
-        av_freep(&device_list->platform_node[i]);
-    }
-    av_freep(&device_list->platform_node);
-    device_list->platform_num = 0;
-}
-
-static int get_device_list(AVOpenCLDeviceList *device_list)
-{
-    cl_int status;
-    int i, j, k, device_num, total_devices_num, ret = 0;
-    int *devices_num;
-    cl_platform_id *platform_ids = NULL;
-    cl_device_id *device_ids = NULL;
-    AVOpenCLDeviceNode *device_node = NULL;
-    size_t platform_name_size = 0;
-    size_t device_name_size = 0;
-    status = clGetPlatformIDs(0, NULL, &device_list->platform_num);
-    if (status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Could not get OpenCL platform ids: %s\n", av_opencl_errstr(status));
-        return AVERROR_EXTERNAL;
-    }
-    platform_ids = av_mallocz_array(device_list->platform_num, sizeof(cl_platform_id));
-    if (!platform_ids)
-        return AVERROR(ENOMEM);
-    status = clGetPlatformIDs(device_list->platform_num, platform_ids, NULL);
-    if (status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-                "Could not get OpenCL platform ids: %s\n", av_opencl_errstr(status));
-        ret = AVERROR_EXTERNAL;
-        goto end;
-    }
-    device_list->platform_node = av_mallocz_array(device_list->platform_num, sizeof(AVOpenCLPlatformNode *));
-    if (!device_list->platform_node) {
-        ret = AVERROR(ENOMEM);
-        goto end;
-    }
-    devices_num = av_mallocz(sizeof(int) * FF_ARRAY_ELEMS(device_type));
-    if (!devices_num) {
-        ret = AVERROR(ENOMEM);
-        goto end;
-    }
-    for (i = 0; i < device_list->platform_num; i++) {
-        device_list->platform_node[i] = av_mallocz(sizeof(AVOpenCLPlatformNode));
-        if (!device_list->platform_node[i]) {
-            ret = AVERROR(ENOMEM);
-            goto end;
-        }
-        device_list->platform_node[i]->platform_id = platform_ids[i];
-        status = clGetPlatformInfo(platform_ids[i], CL_PLATFORM_VENDOR,
-                                   0, NULL, &platform_name_size);
-        if (status != CL_SUCCESS) {
-            av_log(&opencl_ctx, AV_LOG_WARNING,
-                    "Could not get size of platform name: %s\n", av_opencl_errstr(status));
-        } else {
-            device_list->platform_node[i]->platform_name = av_malloc(platform_name_size * sizeof(char));
-            if (!device_list->platform_node[i]->platform_name) {
-                av_log(&opencl_ctx, AV_LOG_WARNING,
-                        "Could not allocate memory for device name: %s\n", av_opencl_errstr(status));
-            } else {
-                status = clGetPlatformInfo(platform_ids[i], CL_PLATFORM_VENDOR,
-                                           platform_name_size * sizeof(char),
-                                           device_list->platform_node[i]->platform_name, NULL);
-                if (status != CL_SUCCESS) {
-                    av_log(&opencl_ctx, AV_LOG_WARNING,
-                            "Could not get platform name: %s\n", av_opencl_errstr(status));
-                }
-            }
-        }
-        total_devices_num = 0;
-        for (j = 0; j < FF_ARRAY_ELEMS(device_type); j++) {
-            status = clGetDeviceIDs(device_list->platform_node[i]->platform_id,
-                                    device_type[j], 0, NULL, &devices_num[j]);
-            total_devices_num += devices_num[j];
-        }
-        device_list->platform_node[i]->device_node = av_mallocz_array(total_devices_num, sizeof(AVOpenCLDeviceNode *));
-        if (!device_list->platform_node[i]->device_node) {
-            ret = AVERROR(ENOMEM);
-            goto end;
-        }
-        for (j = 0; j < FF_ARRAY_ELEMS(device_type); j++) {
-            if (devices_num[j]) {
-                device_ids = av_mallocz_array(devices_num[j], sizeof(cl_device_id));
-                if (!device_ids) {
-                    ret = AVERROR(ENOMEM);
-                    goto end;
-                }
-                status = clGetDeviceIDs(device_list->platform_node[i]->platform_id, device_type[j],
-                                        devices_num[j], device_ids, NULL);
-                if (status != CL_SUCCESS) {
-                    av_log(&opencl_ctx, AV_LOG_WARNING,
-                            "Could not get device ID: %s:\n", av_opencl_errstr(status));
-                    av_freep(&device_ids);
-                    continue;
-                }
-                for (k = 0; k < devices_num[j]; k++) {
-                    device_num = device_list->platform_node[i]->device_num;
-                    device_list->platform_node[i]->device_node[device_num] = av_mallocz(sizeof(AVOpenCLDeviceNode));
-                    if (!device_list->platform_node[i]->device_node[device_num]) {
-                        ret = AVERROR(ENOMEM);
-                        goto end;
-                    }
-                    device_node = device_list->platform_node[i]->device_node[device_num];
-                    device_node->device_id = device_ids[k];
-                    device_node->device_type = device_type[j];
-                    status = clGetDeviceInfo(device_node->device_id, CL_DEVICE_NAME,
-                                             0, NULL, &device_name_size);
-                    if (status != CL_SUCCESS) {
-                        av_log(&opencl_ctx, AV_LOG_WARNING,
-                                "Could not get size of device name: %s\n", av_opencl_errstr(status));
-                        continue;
-                    }
-                    device_node->device_name = av_malloc(device_name_size * sizeof(char));
-                    if (!device_node->device_name) {
-                        av_log(&opencl_ctx, AV_LOG_WARNING,
-                                "Could not allocate memory for device name: %s\n", av_opencl_errstr(status));
-                        continue;
-                    }
-                    status = clGetDeviceInfo(device_node->device_id, CL_DEVICE_NAME,
-                                             device_name_size * sizeof(char),
-                                             device_node->device_name, NULL);
-                    if (status != CL_SUCCESS) {
-                        av_log(&opencl_ctx, AV_LOG_WARNING,
-                                "Could not get device name: %s\n", av_opencl_errstr(status));
-                        continue;
-                    }
-                    device_list->platform_node[i]->device_num++;
-                }
-                av_freep(&device_ids);
-            }
-        }
-    }
-end:
-    av_freep(&platform_ids);
-    av_freep(&devices_num);
-    av_freep(&device_ids);
-    if (ret < 0)
-        free_device_list(device_list);
-    return ret;
-}
-
-int av_opencl_get_device_list(AVOpenCLDeviceList **device_list)
-{
-    int ret = 0;
-    *device_list = av_mallocz(sizeof(AVOpenCLDeviceList));
-    if (!(*device_list)) {
-        av_log(&opencl_ctx, AV_LOG_ERROR, "Could not allocate opencl device list\n");
-        return AVERROR(ENOMEM);
-    }
-    ret = get_device_list(*device_list);
-    if (ret < 0) {
-        av_log(&opencl_ctx, AV_LOG_ERROR, "Could not get device list from environment\n");
-        free_device_list(*device_list);
-        av_freep(device_list);
-        return ret;
-    }
-    return ret;
-}
-
-void av_opencl_free_device_list(AVOpenCLDeviceList **device_list)
-{
-    free_device_list(*device_list);
-    av_freep(device_list);
-}
-
-static inline int init_opencl_mtx(void)
-{
-#if HAVE_THREADS
-    if (!atomic_opencl_lock) {
-        int err;
-        pthread_mutex_t *tmp = av_malloc(sizeof(pthread_mutex_t));
-        if (!tmp)
-            return AVERROR(ENOMEM);
-        if ((err = pthread_mutex_init(tmp, NULL))) {
-            av_free(tmp);
-            return AVERROR(err);
-        }
-        if (avpriv_atomic_ptr_cas((void * volatile *)&atomic_opencl_lock, NULL, tmp)) {
-            pthread_mutex_destroy(tmp);
-            av_free(tmp);
-        }
-    }
-#endif
-    return 0;
-}
-
-int av_opencl_set_option(const char *key, const char *val)
-{
-    int ret = init_opencl_mtx( );
-    if (ret < 0)
-        return ret;
-    LOCK_OPENCL;
-    if (!opencl_ctx.opt_init_flag) {
-        av_opt_set_defaults(&opencl_ctx);
-        opencl_ctx.opt_init_flag = 1;
-    }
-    ret = av_opt_set(&opencl_ctx, key, val, 0);
-    UNLOCK_OPENCL;
-    return ret;
-}
-
-int av_opencl_get_option(const char *key, uint8_t **out_val)
-{
-    int ret = 0;
-    LOCK_OPENCL;
-    ret = av_opt_get(&opencl_ctx, key, 0, out_val);
-    UNLOCK_OPENCL;
-    return ret;
-}
-
-void av_opencl_free_option(void)
-{
-    /*FIXME: free openclutils context*/
-    LOCK_OPENCL;
-    av_opt_free(&opencl_ctx);
-    UNLOCK_OPENCL;
-}
-
-AVOpenCLExternalEnv *av_opencl_alloc_external_env(void)
-{
-    AVOpenCLExternalEnv *ext = av_mallocz(sizeof(AVOpenCLExternalEnv));
-    if (!ext) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Could not malloc external opencl environment data space\n");
-    }
-    return ext;
-}
-
-void av_opencl_free_external_env(AVOpenCLExternalEnv **ext_opencl_env)
-{
-    av_freep(ext_opencl_env);
-}
-
-int av_opencl_register_kernel_code(const char *kernel_code)
-{
-    int i, ret = init_opencl_mtx( );
-    if (ret < 0)
-        return ret;
-    LOCK_OPENCL;
-    if (opencl_ctx.kernel_code_count >= MAX_KERNEL_CODE_NUM) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Could not register kernel code, maximum number of registered kernel code %d already reached\n",
-               MAX_KERNEL_CODE_NUM);
-        ret = AVERROR(EINVAL);
-        goto end;
-    }
-    for (i = 0; i < opencl_ctx.kernel_code_count; i++) {
-        if (opencl_ctx.kernel_code[i].kernel_string == kernel_code) {
-            av_log(&opencl_ctx, AV_LOG_WARNING, "Same kernel code has been registered\n");
-            goto end;
-        }
-    }
-    opencl_ctx.kernel_code[opencl_ctx.kernel_code_count].kernel_string = kernel_code;
-    opencl_ctx.kernel_code[opencl_ctx.kernel_code_count].is_compiled = 0;
-    opencl_ctx.kernel_code_count++;
-end:
-    UNLOCK_OPENCL;
-    return ret;
-}
-
-cl_program av_opencl_compile(const char *program_name, const char *build_opts)
-{
-    int i;
-    cl_int status, build_status;
-    int kernel_code_idx = 0;
-    const char *kernel_source = NULL;
-    size_t kernel_code_len;
-    char* ptr = NULL;
-    cl_program program = NULL;
-    size_t log_size;
-    char *log = NULL;
-
-    LOCK_OPENCL;
-    for (i = 0; i < opencl_ctx.kernel_code_count; i++) {
-        // identify a program using a unique name within the kernel source
-        ptr = av_stristr(opencl_ctx.kernel_code[i].kernel_string, program_name);
-        if (ptr && !opencl_ctx.kernel_code[i].is_compiled) {
-            kernel_source = opencl_ctx.kernel_code[i].kernel_string;
-            kernel_code_len = strlen(opencl_ctx.kernel_code[i].kernel_string);
-            kernel_code_idx = i;
-            break;
-        }
-    }
-    if (!kernel_source) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Unable to find OpenCL kernel source '%s'\n", program_name);
-        goto end;
-    }
-
-    /* create a CL program from kernel source */
-    program = clCreateProgramWithSource(opencl_ctx.context, 1, &kernel_source, &kernel_code_len, &status);
-    if(status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Unable to create OpenCL program '%s': %s\n", program_name, av_opencl_errstr(status));
-        program = NULL;
-        goto end;
-    }
-
-    build_status = clBuildProgram(program, 1, &(opencl_ctx.device_id), build_opts, NULL, NULL);
-    status = clGetProgramBuildInfo(program, opencl_ctx.device_id,
-                                   CL_PROGRAM_BUILD_LOG, 0, NULL, &log_size);
-    if (status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_WARNING,
-               "Failed to get compilation log: %s\n",
-               av_opencl_errstr(status));
-    } else {
-        log = av_malloc(log_size);
-        if (log) {
-            status = clGetProgramBuildInfo(program, opencl_ctx.device_id,
-                                           CL_PROGRAM_BUILD_LOG, log_size,
-                                           log, NULL);
-            if (status != CL_SUCCESS) {
-                av_log(&opencl_ctx, AV_LOG_WARNING,
-                       "Failed to get compilation log: %s\n",
-                       av_opencl_errstr(status));
-            } else {
-                int level = build_status == CL_SUCCESS ? AV_LOG_DEBUG :
-                                                         AV_LOG_ERROR;
-                av_log(&opencl_ctx, level, "Compilation log:\n%s\n", log);
-            }
-        }
-        av_freep(&log);
-    }
-    if (build_status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Compilation failed with OpenCL program '%s': %s\n",
-               program_name, av_opencl_errstr(build_status));
-        program = NULL;
-        goto end;
-    }
-
-    opencl_ctx.kernel_code[kernel_code_idx].is_compiled = 1;
-end:
-    UNLOCK_OPENCL;
-    return program;
-}
-
-cl_command_queue av_opencl_get_command_queue(void)
-{
-    return opencl_ctx.command_queue;
-}
-
-static int init_opencl_env(OpenclContext *opencl_ctx, AVOpenCLExternalEnv *ext_opencl_env)
-{
-    cl_int status;
-    cl_context_properties cps[3];
-    int i, ret = 0;
-    AVOpenCLDeviceNode *device_node = NULL;
-
-    if (ext_opencl_env) {
-        if (opencl_ctx->is_user_created)
-            return 0;
-        opencl_ctx->platform_id     = ext_opencl_env->platform_id;
-        opencl_ctx->is_user_created = 1;
-        opencl_ctx->command_queue   = ext_opencl_env->command_queue;
-        opencl_ctx->context         = ext_opencl_env->context;
-        opencl_ctx->device_id       = ext_opencl_env->device_id;
-        opencl_ctx->device_type     = ext_opencl_env->device_type;
-    } else {
-        if (!opencl_ctx->is_user_created) {
-            if (!opencl_ctx->device_list.platform_num) {
-                ret = get_device_list(&opencl_ctx->device_list);
-                if (ret < 0) {
-                    return ret;
-                }
-            }
-            if (opencl_ctx->platform_idx >= 0) {
-                if (opencl_ctx->device_list.platform_num < opencl_ctx->platform_idx + 1) {
-                    av_log(opencl_ctx, AV_LOG_ERROR, "User set platform index not exist\n");
-                    return AVERROR(EINVAL);
-                }
-                if (!opencl_ctx->device_list.platform_node[opencl_ctx->platform_idx]->device_num) {
-                    av_log(opencl_ctx, AV_LOG_ERROR, "No devices in user specific platform with index %d\n",
-                           opencl_ctx->platform_idx);
-                    return AVERROR(EINVAL);
-                }
-                opencl_ctx->platform_id = opencl_ctx->device_list.platform_node[opencl_ctx->platform_idx]->platform_id;
-            } else {
-                /* get a usable platform by default*/
-                for (i = 0; i < opencl_ctx->device_list.platform_num; i++) {
-                    if (opencl_ctx->device_list.platform_node[i]->device_num) {
-                        opencl_ctx->platform_id = opencl_ctx->device_list.platform_node[i]->platform_id;
-                        opencl_ctx->platform_idx = i;
-                        break;
-                    }
-                }
-            }
-            if (!opencl_ctx->platform_id) {
-                av_log(opencl_ctx, AV_LOG_ERROR, "Could not get OpenCL platforms\n");
-                return AVERROR_EXTERNAL;
-            }
-            /* get a usable device*/
-            if (opencl_ctx->device_idx >= 0) {
-                if (opencl_ctx->device_list.platform_node[opencl_ctx->platform_idx]->device_num < opencl_ctx->device_idx + 1) {
-                    av_log(opencl_ctx, AV_LOG_ERROR,
-                           "Could not get OpenCL device idx %d in the user set platform\n", opencl_ctx->platform_idx);
-                    return AVERROR(EINVAL);
-                }
-            } else {
-                opencl_ctx->device_idx = 0;
-            }
-
-            device_node = opencl_ctx->device_list.platform_node[opencl_ctx->platform_idx]->device_node[opencl_ctx->device_idx];
-            opencl_ctx->device_id = device_node->device_id;
-            opencl_ctx->device_type = device_node->device_type;
-
-            /*
-             * Use available platform.
-             */
-            av_log(opencl_ctx, AV_LOG_VERBOSE, "Platform Name: %s, Device Name: %s\n",
-                   opencl_ctx->device_list.platform_node[opencl_ctx->platform_idx]->platform_name,
-                   device_node->device_name);
-            cps[0] = CL_CONTEXT_PLATFORM;
-            cps[1] = (cl_context_properties)opencl_ctx->platform_id;
-            cps[2] = 0;
-
-            opencl_ctx->context = clCreateContextFromType(cps, opencl_ctx->device_type,
-                                                       NULL, NULL, &status);
-            if (status != CL_SUCCESS) {
-                av_log(opencl_ctx, AV_LOG_ERROR,
-                       "Could not get OpenCL context from device type: %s\n", av_opencl_errstr(status));
-                return AVERROR_EXTERNAL;
-            }
-            opencl_ctx->command_queue = clCreateCommandQueue(opencl_ctx->context, opencl_ctx->device_id,
-                                                          0, &status);
-            if (status != CL_SUCCESS) {
-                av_log(opencl_ctx, AV_LOG_ERROR,
-                       "Could not create OpenCL command queue: %s\n", av_opencl_errstr(status));
-                return AVERROR_EXTERNAL;
-            }
-        }
-    }
-    return ret;
-}
-
-int av_opencl_init(AVOpenCLExternalEnv *ext_opencl_env)
-{
-    int ret = init_opencl_mtx( );
-    if (ret < 0)
-        return ret;
-    LOCK_OPENCL;
-    if (!opencl_ctx.init_count) {
-        if (!opencl_ctx.opt_init_flag) {
-            av_opt_set_defaults(&opencl_ctx);
-            opencl_ctx.opt_init_flag = 1;
-        }
-        ret = init_opencl_env(&opencl_ctx, ext_opencl_env);
-        if (ret < 0)
-            goto end;
-        if (opencl_ctx.kernel_code_count <= 0) {
-            av_log(&opencl_ctx, AV_LOG_ERROR,
-                   "No kernel code is registered, compile kernel file failed\n");
-            ret = AVERROR(EINVAL);
-            goto end;
-        }
-    }
-    opencl_ctx.init_count++;
-end:
-    UNLOCK_OPENCL;
-    return ret;
-}
-
-void av_opencl_uninit(void)
-{
-    int i;
-    cl_int status;
-    LOCK_OPENCL;
-    opencl_ctx.init_count--;
-    if (opencl_ctx.is_user_created)
-        goto end;
-    if (opencl_ctx.init_count > 0)
-        goto end;
-    if (opencl_ctx.command_queue) {
-        status = clReleaseCommandQueue(opencl_ctx.command_queue);
-        if (status != CL_SUCCESS) {
-            av_log(&opencl_ctx, AV_LOG_ERROR,
-                   "Could not release OpenCL command queue: %s\n", av_opencl_errstr(status));
-        }
-        opencl_ctx.command_queue = NULL;
-    }
-    if (opencl_ctx.context) {
-        status = clReleaseContext(opencl_ctx.context);
-        if (status != CL_SUCCESS) {
-            av_log(&opencl_ctx, AV_LOG_ERROR,
-                   "Could not release OpenCL context: %s\n", av_opencl_errstr(status));
-        }
-        opencl_ctx.context = NULL;
-    }
-    for (i = 0; i < opencl_ctx.kernel_code_count; i++) {
-        opencl_ctx.kernel_code[i].is_compiled = 0;
-    }
-    free_device_list(&opencl_ctx.device_list);
-end:
-    if (opencl_ctx.init_count <= 0)
-        av_opt_free(&opencl_ctx); //FIXME: free openclutils context
-    UNLOCK_OPENCL;
-}
-
-int av_opencl_buffer_create(cl_mem *cl_buf, size_t cl_buf_size, int flags, void *host_ptr)
-{
-    cl_int status;
-    *cl_buf = clCreateBuffer(opencl_ctx.context, flags, cl_buf_size, host_ptr, &status);
-    if (status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_ERROR, "Could not create OpenCL buffer: %s\n", av_opencl_errstr(status));
-        return AVERROR_EXTERNAL;
-    }
-    return 0;
-}
-
-void av_opencl_buffer_release(cl_mem *cl_buf)
-{
-    cl_int status = 0;
-    if (!cl_buf)
-        return;
-    status = clReleaseMemObject(*cl_buf);
-    if (status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Could not release OpenCL buffer: %s\n", av_opencl_errstr(status));
-    }
-    memset(cl_buf, 0, sizeof(*cl_buf));
-}
-
-int av_opencl_buffer_write(cl_mem dst_cl_buf, uint8_t *src_buf, size_t buf_size)
-{
-    cl_int status;
-    void *mapped = clEnqueueMapBuffer(opencl_ctx.command_queue, dst_cl_buf,
-                                      CL_TRUE, CL_MAP_WRITE, 0, sizeof(uint8_t) * buf_size,
-                                      0, NULL, NULL, &status);
-
-    if (status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Could not map OpenCL buffer: %s\n", av_opencl_errstr(status));
-        return AVERROR_EXTERNAL;
-    }
-    memcpy(mapped, src_buf, buf_size);
-
-    status = clEnqueueUnmapMemObject(opencl_ctx.command_queue, dst_cl_buf, mapped, 0, NULL, NULL);
-    if (status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Could not unmap OpenCL buffer: %s\n", av_opencl_errstr(status));
-        return AVERROR_EXTERNAL;
-    }
-    return 0;
-}
-
-int av_opencl_buffer_read(uint8_t *dst_buf, cl_mem src_cl_buf, size_t buf_size)
-{
-    cl_int status;
-    void *mapped = clEnqueueMapBuffer(opencl_ctx.command_queue, src_cl_buf,
-                                      CL_TRUE, CL_MAP_READ, 0, buf_size,
-                                      0, NULL, NULL, &status);
-
-    if (status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Could not map OpenCL buffer: %s\n", av_opencl_errstr(status));
-        return AVERROR_EXTERNAL;
-    }
-    memcpy(dst_buf, mapped, buf_size);
-
-    status = clEnqueueUnmapMemObject(opencl_ctx.command_queue, src_cl_buf, mapped, 0, NULL, NULL);
-    if (status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Could not unmap OpenCL buffer: %s\n", av_opencl_errstr(status));
-        return AVERROR_EXTERNAL;
-    }
-    return 0;
-}
-
-int av_opencl_buffer_write_image(cl_mem dst_cl_buf, size_t cl_buffer_size, int dst_cl_offset,
-                                 uint8_t **src_data, int *plane_size, int plane_num)
-{
-    int i, buffer_size = 0;
-    uint8_t *temp;
-    cl_int status;
-    void *mapped;
-    if ((unsigned int)plane_num > 8) {
-        return AVERROR(EINVAL);
-    }
-    for (i = 0;i < plane_num;i++) {
-        buffer_size += plane_size[i];
-    }
-    if (buffer_size > cl_buffer_size) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Cannot write image to OpenCL buffer: buffer too small\n");
-        return AVERROR(EINVAL);
-    }
-    mapped = clEnqueueMapBuffer(opencl_ctx.command_queue, dst_cl_buf,
-                                CL_TRUE, CL_MAP_WRITE, 0, buffer_size + dst_cl_offset,
-                                0, NULL, NULL, &status);
-    if (status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Could not map OpenCL buffer: %s\n", av_opencl_errstr(status));
-        return AVERROR_EXTERNAL;
-    }
-    temp = mapped;
-    temp += dst_cl_offset;
-    for (i = 0; i < plane_num; i++) {
-        memcpy(temp, src_data[i], plane_size[i]);
-        temp += plane_size[i];
-    }
-    status = clEnqueueUnmapMemObject(opencl_ctx.command_queue, dst_cl_buf, mapped, 0, NULL, NULL);
-    if (status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Could not unmap OpenCL buffer: %s\n", av_opencl_errstr(status));
-        return AVERROR_EXTERNAL;
-    }
-    return 0;
-}
-
-int av_opencl_buffer_read_image(uint8_t **dst_data, int *plane_size, int plane_num,
-                                cl_mem src_cl_buf, size_t cl_buffer_size)
-{
-    int i,buffer_size = 0,ret = 0;
-    uint8_t *temp;
-    void *mapped;
-    cl_int status;
-    if ((unsigned int)plane_num > 8) {
-        return AVERROR(EINVAL);
-    }
-    for (i = 0; i < plane_num; i++) {
-        buffer_size += plane_size[i];
-    }
-    if (buffer_size > cl_buffer_size) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Cannot write image to CPU buffer: OpenCL buffer too small\n");
-        return AVERROR(EINVAL);
-    }
-    mapped = clEnqueueMapBuffer(opencl_ctx.command_queue, src_cl_buf,
-                                CL_TRUE, CL_MAP_READ, 0, buffer_size,
-                                0, NULL, NULL, &status);
-
-    if (status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Could not map OpenCL buffer: %s\n", av_opencl_errstr(status));
-        return AVERROR_EXTERNAL;
-    }
-    temp = mapped;
-    if (ret >= 0) {
-        for (i = 0; i < plane_num; i++) {
-            memcpy(dst_data[i], temp, plane_size[i]);
-            temp += plane_size[i];
-        }
-    }
-    status = clEnqueueUnmapMemObject(opencl_ctx.command_queue, src_cl_buf, mapped, 0, NULL, NULL);
-    if (status != CL_SUCCESS) {
-        av_log(&opencl_ctx, AV_LOG_ERROR,
-               "Could not unmap OpenCL buffer: %s\n", av_opencl_errstr(status));
-        return AVERROR_EXTERNAL;
-    }
-    return 0;
-}
-
-int64_t av_opencl_benchmark(AVOpenCLDeviceNode *device_node, cl_platform_id platform,
-                            int64_t (*benchmark)(AVOpenCLExternalEnv *ext_opencl_env))
-{
-    int64_t ret = 0;
-    cl_int status;
-    cl_context_properties cps[3];
-    AVOpenCLExternalEnv *ext_opencl_env = NULL;
-
-    ext_opencl_env = av_opencl_alloc_external_env();
-    ext_opencl_env->device_id = device_node->device_id;
-    ext_opencl_env->device_type = device_node->device_type;
-    av_log(&opencl_ctx, AV_LOG_VERBOSE, "Performing test on OpenCL device %s\n",
-           device_node->device_name);
-
-    cps[0] = CL_CONTEXT_PLATFORM;
-    cps[1] = (cl_context_properties)platform;
-    cps[2] = 0;
-    ext_opencl_env->context = clCreateContextFromType(cps, ext_opencl_env->device_type,
-                                                      NULL, NULL, &status);
-    if (status != CL_SUCCESS || !ext_opencl_env->context) {
-        ret = AVERROR_EXTERNAL;
-        goto end;
-    }
-    ext_opencl_env->command_queue = clCreateCommandQueue(ext_opencl_env->context,
-                                                         ext_opencl_env->device_id, 0, &status);
-    if (status != CL_SUCCESS || !ext_opencl_env->command_queue) {
-        ret = AVERROR_EXTERNAL;
-        goto end;
-    }
-    ret = benchmark(ext_opencl_env);
-    if (ret < 0)
-        av_log(&opencl_ctx, AV_LOG_ERROR, "Benchmark failed with OpenCL device %s\n",
-               device_node->device_name);
-end:
-    if (ext_opencl_env->command_queue)
-        clReleaseCommandQueue(ext_opencl_env->command_queue);
-    if (ext_opencl_env->context)
-        clReleaseContext(ext_opencl_env->context);
-    av_opencl_free_external_env(&ext_opencl_env);
-    return ret;
-}
diff --git a/libavutil/opencl.h b/libavutil/opencl.h
deleted file mode 100644
index b709927c42..0000000000
--- a/libavutil/opencl.h
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
- * Copyright (C) 2012 Peng  Gao     <peng@multicorewareinc.com>
- * Copyright (C) 2012 Li    Cao     <li@multicorewareinc.com>
- * Copyright (C) 2012 Wei   Gao     <weigao@multicorewareinc.com>
- * Copyright (C) 2013 Lenny Wang    <lwanghpc@gmail.com>
- *
- * 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
- */
-
-/**
- * @file
- * OpenCL wrapper
- *
- * This interface is considered still experimental and its API and ABI may
- * change without prior notice.
- */
-
-#ifndef AVUTIL_OPENCL_H
-#define AVUTIL_OPENCL_H
-
-#define CL_USE_DEPRECATED_OPENCL_1_2_APIS 1
-#ifdef __APPLE__
-#include <OpenCL/cl.h>
-#else
-#include <CL/cl.h>
-#endif
-#include <stdint.h>
-#include "dict.h"
-
-#include "libavutil/version.h"
-
-#define AV_OPENCL_KERNEL( ... )# __VA_ARGS__
-
-typedef struct {
-    int device_type;
-    char *device_name;
-    cl_device_id device_id;
-} AVOpenCLDeviceNode;
-
-typedef struct {
-    cl_platform_id platform_id;
-    char *platform_name;
-    int device_num;
-    AVOpenCLDeviceNode **device_node;
-} AVOpenCLPlatformNode;
-
-typedef struct {
-    int platform_num;
-    AVOpenCLPlatformNode **platform_node;
-} AVOpenCLDeviceList;
-
-typedef struct {
-    cl_platform_id platform_id;
-    cl_device_type device_type;
-    cl_context context;
-    cl_device_id  device_id;
-    cl_command_queue command_queue;
-    char *platform_name;
-} AVOpenCLExternalEnv;
-
-/**
- * Get OpenCL device list.
- *
- * It must be freed with av_opencl_free_device_list().
- *
- * @param device_list pointer to OpenCL environment device list,
- *                    should be released by av_opencl_free_device_list()
- *
- * @return  >=0 on success, a negative error code in case of failure
- */
-int av_opencl_get_device_list(AVOpenCLDeviceList **device_list);
-
-/**
-  * Free OpenCL device list.
-  *
-  * @param device_list pointer to OpenCL environment device list
-  *                       created by av_opencl_get_device_list()
-  */
-void av_opencl_free_device_list(AVOpenCLDeviceList **device_list);
-
-/**
- * Set option in the global OpenCL context.
- *
- * This options affect the operation performed by the next
- * av_opencl_init() operation.
- *
- * The currently accepted options are:
- * - platform: set index of platform in device list
- * - device: set index of device in device list
- *
- * See reference "OpenCL Specification Version: 1.2 chapter 5.6.4".
- *
- * @param key                 option key
- * @param val                 option value
- * @return >=0 on success, a negative error code in case of failure
- * @see av_opencl_get_option()
- */
-int av_opencl_set_option(const char *key, const char *val);
-
-/**
- * Get option value from the global OpenCL context.
- *
- * @param key        option key
- * @param out_val  pointer to location where option value will be
- *                         written, must be freed with av_freep()
- * @return  >=0 on success, a negative error code in case of failure
- * @see av_opencl_set_option()
- */
-int av_opencl_get_option(const char *key, uint8_t **out_val);
-
-/**
- * Free option values of the global OpenCL context.
- *
- */
-void av_opencl_free_option(void);
-
-/**
- * Allocate OpenCL external environment.
- *
- * It must be freed with av_opencl_free_external_env().
- *
- * @return pointer to allocated OpenCL external environment
- */
-AVOpenCLExternalEnv *av_opencl_alloc_external_env(void);
-
-/**
- * Free OpenCL external environment.
- *
- * @param ext_opencl_env pointer to OpenCL external environment
- *                       created by av_opencl_alloc_external_env()
- */
-void av_opencl_free_external_env(AVOpenCLExternalEnv **ext_opencl_env);
-
-/**
- * Get OpenCL error string.
- *
- * @param status    OpenCL error code
- * @return OpenCL error string
- */
-const char *av_opencl_errstr(cl_int status);
-
-/**
- * Register kernel code.
- *
- *  The registered kernel code is stored in a global context, and compiled
- *  in the runtime environment when av_opencl_init() is called.
- *
- * @param kernel_code    kernel code to be compiled in the OpenCL runtime environment
- * @return  >=0 on success, a negative error code in case of failure
- */
-int av_opencl_register_kernel_code(const char *kernel_code);
-
-/**
- * Initialize the run time OpenCL environment
- *
- * @param ext_opencl_env external OpenCL environment, created by an
- *                       application program, ignored if set to NULL
- * @return >=0 on success, a negative error code in case of failure
- */
-int av_opencl_init(AVOpenCLExternalEnv *ext_opencl_env);
-
-/**
- * compile specific OpenCL kernel source
- *
- * @param program_name  pointer to a program name used for identification
- * @param build_opts    pointer to a string that describes the preprocessor
- *                      build options to be used for building the program
- * @return a cl_program object
- */
-cl_program av_opencl_compile(const char *program_name, const char* build_opts);
-
-/**
- * get OpenCL command queue
- *
- * @return a cl_command_queue object
- */
-cl_command_queue av_opencl_get_command_queue(void);
-
-/**
- * Create OpenCL buffer.
- *
- * The buffer is used to save the data used or created by an OpenCL
- * kernel.
- * The created buffer must be released with av_opencl_buffer_release().
- *
- * See clCreateBuffer() function reference for more information about
- * the parameters.
- *
- * @param cl_buf       pointer to OpenCL buffer
- * @param cl_buf_size  size in bytes of the OpenCL buffer to create
- * @param flags        flags used to control buffer attributes
- * @param host_ptr     host pointer of the OpenCL buffer
- * @return >=0 on success, a negative error code in case of failure
- */
-int av_opencl_buffer_create(cl_mem *cl_buf, size_t cl_buf_size, int flags, void *host_ptr);
-
-/**
- * Write OpenCL buffer with data from src_buf.
- *
- * @param dst_cl_buf        pointer to OpenCL destination buffer
- * @param src_buf           pointer to source buffer
- * @param buf_size          size in bytes of the source and destination buffers
- * @return >=0 on success, a negative error code in case of failure
- */
-int av_opencl_buffer_write(cl_mem dst_cl_buf, uint8_t *src_buf, size_t buf_size);
-
-/**
- * Read data from OpenCL buffer to memory buffer.
- *
- * @param dst_buf           pointer to destination buffer (CPU memory)
- * @param src_cl_buf        pointer to source OpenCL buffer
- * @param buf_size          size in bytes of the source and destination buffers
- * @return >=0 on success, a negative error code in case of failure
- */
-int av_opencl_buffer_read(uint8_t *dst_buf, cl_mem src_cl_buf, size_t buf_size);
-
-/**
- * Write image data from memory to OpenCL buffer.
- *
- * The source must be an array of pointers to image plane buffers.
- *
- * @param dst_cl_buf         pointer to destination OpenCL buffer
- * @param dst_cl_buf_size    size in bytes of OpenCL buffer
- * @param dst_cl_buf_offset  the offset of the OpenCL buffer start position
- * @param src_data           array of pointers to source plane buffers
- * @param src_plane_sizes    array of sizes in bytes of the source plane buffers
- * @param src_plane_num      number of source image planes
- * @return >=0 on success, a negative error code in case of failure
- */
-int av_opencl_buffer_write_image(cl_mem dst_cl_buf, size_t cl_buffer_size, int dst_cl_offset,
-                                 uint8_t **src_data, int *plane_size, int plane_num);
-
-/**
- * Read image data from OpenCL buffer.
- *
- * @param dst_data           array of pointers to destination plane buffers
- * @param dst_plane_sizes    array of pointers to destination plane buffers
- * @param dst_plane_num      number of destination image planes
- * @param src_cl_buf         pointer to source OpenCL buffer
- * @param src_cl_buf_size    size in bytes of OpenCL buffer
- * @return >=0 on success, a negative error code in case of failure
- */
-int av_opencl_buffer_read_image(uint8_t **dst_data, int *plane_size, int plane_num,
-                                cl_mem src_cl_buf, size_t cl_buffer_size);
-
-/**
- * Release OpenCL buffer.
- *
- * @param cl_buf pointer to OpenCL buffer to release, which was
- *               previously filled with av_opencl_buffer_create()
- */
-void av_opencl_buffer_release(cl_mem *cl_buf);
-
-/**
- * Release OpenCL environment.
- *
- * The OpenCL environment is effectively released only if all the created
- * kernels had been released with av_opencl_release_kernel().
- */
-void av_opencl_uninit(void);
-
-/**
- * Benchmark an OpenCL device with a user defined callback function.  This function
- * sets up an external OpenCL environment including context and command queue on
- * the device then tears it down in the end.  The callback function should perform
- * the rest of the work.
- *
- * @param device            pointer to the OpenCL device to be used
- * @param platform          cl_platform_id handle to which the device belongs to
- * @param benchmark         callback function to perform the benchmark, return a
- *                          negative value in case of failure
- * @return the score passed from the callback function, a negative error code in case
- * of failure
- */
-int64_t av_opencl_benchmark(AVOpenCLDeviceNode *device, cl_platform_id platform,
-                            int64_t (*benchmark)(AVOpenCLExternalEnv *ext_opencl_env));
-
-#endif /* AVUTIL_OPENCL_H */
diff --git a/libavutil/opencl_internal.c b/libavutil/opencl_internal.c
deleted file mode 100644
index bdb41936fa..0000000000
--- a/libavutil/opencl_internal.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2012 Peng Gao <peng@multicorewareinc.com>
- * Copyright (C) 2012 Li   Cao <li@multicorewareinc.com>
- * Copyright (C) 2012 Wei  Gao <weigao@multicorewareinc.com>
- *
- * 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 "opencl_internal.h"
-#include "libavutil/log.h"
-
-int avpriv_opencl_set_parameter(FFOpenclParam *opencl_param, ...)
-{
-    int ret = 0;
-    va_list arg_ptr;
-    void *param;
-    size_t param_size;
-    cl_int status;
-    if (!opencl_param->kernel) {
-        av_log(opencl_param->ctx, AV_LOG_ERROR, "OpenCL kernel must be set\n");
-        return AVERROR(EINVAL);
-    }
-    va_start(arg_ptr, opencl_param);
-    do {
-        param = va_arg(arg_ptr, void *);
-        if (!param)
-            break;
-        param_size = va_arg(arg_ptr, size_t);
-        if (!param_size) {
-            av_log(opencl_param->ctx, AV_LOG_ERROR, "Parameter size must not be 0\n");
-            ret = AVERROR(EINVAL);
-            goto end;
-        }
-        status = clSetKernelArg(opencl_param->kernel, opencl_param->param_num, param_size, param);
-        if (status != CL_SUCCESS) {
-            av_log(opencl_param->ctx, AV_LOG_ERROR, "Cannot set kernel argument: %s\n", av_opencl_errstr(status));
-            ret = AVERROR_EXTERNAL;
-            goto end;
-        }
-        opencl_param->param_num++;
-    } while (param && param_size);
-end:
-    va_end(arg_ptr);
-    return ret;
-}
diff --git a/libavutil/opencl_internal.h b/libavutil/opencl_internal.h
deleted file mode 100644
index 5cabb7b3ee..0000000000
--- a/libavutil/opencl_internal.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (C) 2012 Peng Gao <peng@multicorewareinc.com>
- * Copyright (C) 2012 Li   Cao <li@multicorewareinc.com>
- * Copyright (C) 2012 Wei  Gao <weigao@multicorewareinc.com>
- *
- * 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_OPENCL_INTERNAL_H
-#define AVUTIL_OPENCL_INTERNAL_H
-
-#include "attributes.h"
-#include "opencl.h"
-
-#define FF_OPENCL_PARAM_INFO(a) ((void*)(&(a))), (sizeof(a))
-
-typedef struct {
-    cl_kernel kernel;
-    int param_num;
-    void *ctx;
-} FFOpenclParam;
-
-av_warn_unused_result
-int avpriv_opencl_set_parameter(FFOpenclParam *opencl_param, ...);
-
-#endif /* AVUTIL_OPENCL_INTERNAL_H */
