@@ -3348,6 +3348,7 @@ frei0r_filter_deps="frei0r libdl"
frei0r_src_filter_deps="frei0r libdl"
fspp_filter_deps="gpl"
geq_filter_deps="gpl"
+hflip_opencl_filter_deps="opencl"
histeq_filter_deps="gpl"
hqdn3d_filter_deps="gpl"
interlace_filter_deps="gpl"
@@ -3422,6 +3423,7 @@ uspp_filter_deps="gpl avcodec"
vaguedenoiser_filter_deps="gpl"
vidstabdetect_filter_deps="libvidstab"
vidstabtransform_filter_deps="libvidstab"
+vflip_opencl_filter_deps="opencl"
libvmaf_filter_deps="libvmaf pthreads"
zmq_filter_deps="libzmq"
zoompan_filter_deps="swscale"
@@ -230,6 +230,8 @@ OBJS-$(CONFIG_GEQ_FILTER) += vf_geq.o
OBJS-$(CONFIG_GRADFUN_FILTER) += vf_gradfun.o
OBJS-$(CONFIG_HALDCLUT_FILTER) += vf_lut3d.o framesync.o
OBJS-$(CONFIG_HFLIP_FILTER) += vf_hflip.o
+OBJS-$(CONFIG_HFLIP_OPENCL_FILTER) += vf_vflip_opencl.o opencl.o \
+ opencl/vflip.o
OBJS-$(CONFIG_HISTEQ_FILTER) += vf_histeq.o
OBJS-$(CONFIG_HISTOGRAM_FILTER) += vf_histogram.o
OBJS-$(CONFIG_HQDN3D_FILTER) += vf_hqdn3d.o
@@ -376,6 +378,8 @@ OBJS-$(CONFIG_USPP_FILTER) += vf_uspp.o
OBJS-$(CONFIG_VAGUEDENOISER_FILTER) += vf_vaguedenoiser.o
OBJS-$(CONFIG_VECTORSCOPE_FILTER) += vf_vectorscope.o
OBJS-$(CONFIG_VFLIP_FILTER) += vf_vflip.o
+OBJS-$(CONFIG_VFLIP_OPENCL_FILTER) += vf_vflip_opencl.o opencl.o \
+ opencl/vflip.o
OBJS-$(CONFIG_VFRDET_FILTER) += vf_vfrdet.o
OBJS-$(CONFIG_VIDSTABDETECT_FILTER) += vidstabutils.o vf_vidstabdetect.o
OBJS-$(CONFIG_VIDSTABTRANSFORM_FILTER) += vidstabutils.o vf_vidstabtransform.o
@@ -219,6 +219,7 @@ extern AVFilter ff_vf_geq;
extern AVFilter ff_vf_gradfun;
extern AVFilter ff_vf_haldclut;
extern AVFilter ff_vf_hflip;
+extern AVFilter ff_vf_hflip_opencl;
extern AVFilter ff_vf_histeq;
extern AVFilter ff_vf_histogram;
extern AVFilter ff_vf_hqdn3d;
@@ -359,6 +360,7 @@ extern AVFilter ff_vf_uspp;
extern AVFilter ff_vf_vaguedenoiser;
extern AVFilter ff_vf_vectorscope;
extern AVFilter ff_vf_vflip;
+extern AVFilter ff_vf_vflip_opencl;
extern AVFilter ff_vf_vfrdet;
extern AVFilter ff_vf_vidstabdetect;
extern AVFilter ff_vf_vidstabtransform;
new file mode 100644
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2018 Danil Iashchenko
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+
+void swap_pix(__write_only image2d_t dst,
+ __read_only image2d_t src,
+ int2 loc,
+ int2 loc1) {
+
+ const sampler_t sampler = (CLK_NORMALIZED_COORDS_FALSE |
+ CLK_ADDRESS_CLAMP_TO_EDGE |
+ CLK_FILTER_NEAREST);
+
+ float4 px = read_imagef(src, sampler, loc );
+ float4 px1 = read_imagef(src, sampler, loc1);
+
+ write_imagef(dst, loc, px1);
+ write_imagef(dst, loc1, px );
+}
+
+
+__kernel void vflip_global(__write_only image2d_t dst,
+ __read_only image2d_t src)
+{
+
+ int2 imgSize = get_image_dim(src);
+ int2 loc = (int2)(get_global_id(0), get_global_id(1));
+ int2 loc1 = (int2)(loc.x, imgSize.y - loc.y - 1);
+
+ swap_pix(dst, src, loc, loc1);
+}
+
+
+__kernel void hflip_global(__write_only image2d_t dst,
+ __read_only image2d_t src)
+{
+
+ int2 imgSize = get_image_dim(src);
+ int2 loc = (int2)(get_global_id(0), get_global_id(1));
+ int2 loc1 = (int2)(imgSize.x - loc.x - 1, loc.y);
+
+ swap_pix(dst, src, loc, loc1);
+}
@@ -25,5 +25,6 @@ extern const char *ff_opencl_source_convolution;
extern const char *ff_opencl_source_overlay;
extern const char *ff_opencl_source_tonemap;
extern const char *ff_opencl_source_unsharp;
+extern const char *ff_opencl_source_vflip;
#endif /* AVFILTER_OPENCL_SOURCE_H */
new file mode 100644
@@ -0,0 +1,270 @@
+/*
+ * Copyright (c) 2018 Danil Iashchenko
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/common.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/mem.h"
+#include "libavutil/opt.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/avstring.h"
+
+
+#include "avfilter.h"
+#include "internal.h"
+#include "opencl.h"
+#include "opencl_source.h"
+#include "video.h"
+
+typedef struct VflipOpenCLContext {
+ OpenCLFilterContext ocf;
+
+ int initialised;
+ cl_kernel kernel;
+ cl_command_queue command_queue;
+
+} VflipOpenCLContext;
+
+
+static int vflip_opencl_init(AVFilterContext *avctx)
+{
+ VflipOpenCLContext *ctx = avctx->priv;
+ const char *kernel_name;
+ cl_int cle;
+ int err;
+
+ err = ff_opencl_filter_load_program(avctx, &ff_opencl_source_vflip, 1);
+ if (err < 0)
+ goto fail;
+
+ ctx->command_queue = clCreateCommandQueue(ctx->ocf.hwctx->context,
+ ctx->ocf.hwctx->device_id,
+ 0, &cle);
+ if (!ctx->command_queue) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to create OpenCL "
+ "command queue: %d.\n", cle);
+ err = AVERROR(EIO);
+ goto fail;
+ }
+
+ if (!strcmp(avctx->filter->name, "hflip_opencl")) {
+ kernel_name = "hflip_global";
+ } else if (!strcmp(avctx->filter->name, "vflip_opencl")) {
+ kernel_name = "vflip_global";
+ }
+ ctx->kernel = clCreateKernel(ctx->ocf.program, kernel_name, &cle);
+ if (!ctx->kernel) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to create kernel: %d.\n", cle);
+ err = AVERROR(EIO);
+ goto fail;
+ }
+
+ ctx->initialised = 1;
+ return 0;
+
+fail:
+ if (ctx->command_queue)
+ clReleaseCommandQueue(ctx->command_queue);
+ if (ctx->kernel)
+ clReleaseKernel(ctx->kernel);
+ return err;
+}
+
+
+static int vflip_opencl_filter_frame(AVFilterLink *inlink, AVFrame *input)
+{
+ AVFilterContext *avctx = inlink->dst;
+ AVFilterLink *outlink = avctx->outputs[0];
+ VflipOpenCLContext *ctx = avctx->priv;
+ AVFrame *output = NULL;
+ cl_int cle;
+ size_t global_work[2];
+ cl_mem src, dst;
+ int err, p;
+
+ av_log(ctx, AV_LOG_DEBUG, "Filter input: %s, %ux%u (%"PRId64").\n",
+ av_get_pix_fmt_name(input->format),
+ input->width, input->height, input->pts);
+
+ if (!input->hw_frames_ctx)
+ return AVERROR(EINVAL);
+
+ if (!ctx->initialised) {
+ err = vflip_opencl_init(avctx);
+ if (err < 0)
+ goto fail;
+ }
+
+ output = ff_get_video_buffer(outlink, outlink->w, outlink->h);
+ if (!output) {
+ err = AVERROR(ENOMEM);
+ goto fail;
+ }
+
+ for (p = 0; p < FF_ARRAY_ELEMS(output->data); p++) {
+ src = (cl_mem) input->data[p];
+ dst = (cl_mem)output->data[p];
+
+ if (!dst)
+ break;
+
+ CL_SET_KERNEL_ARG(ctx->kernel, 0, cl_mem, &dst);
+ CL_SET_KERNEL_ARG(ctx->kernel, 1, cl_mem, &src);
+
+ err = ff_opencl_filter_work_size_from_image(avctx, global_work, output, p, 0);
+ if (err < 0)
+ goto fail;
+
+ av_log(avctx, AV_LOG_DEBUG, "Run kernel on plane %d "
+ "(%"SIZE_SPECIFIER"x%"SIZE_SPECIFIER").\n",
+ p, global_work[0], global_work[1]);
+
+ if (!strcmp(avctx->filter->name, "hflip_opencl")) {
+ global_work[0] = global_work[0] / 2;
+ } else if (!strcmp(avctx->filter->name, "vflip_opencl")) {
+ global_work[1] = global_work[1] / 2;
+ }
+
+ cle = clEnqueueNDRangeKernel(ctx->command_queue, ctx->kernel, 2, NULL,
+ global_work, NULL,
+ 0, NULL, NULL);
+ if (cle != CL_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to enqueue kernel: %d.\n",
+ cle);
+ err = AVERROR(EIO);
+ goto fail;
+ }
+ }
+
+ cle = clFinish(ctx->command_queue);
+ if (cle != CL_SUCCESS) {
+ av_log(avctx, AV_LOG_ERROR, "Failed to finish command queue: %d.\n",
+ cle);
+ err = AVERROR(EIO);
+ goto fail;
+ }
+
+ err = av_frame_copy_props(output, input);
+ if (err < 0)
+ goto fail;
+
+ av_frame_free(&input);
+
+ av_log(ctx, AV_LOG_DEBUG, "Filter output: %s, %ux%u (%"PRId64").\n",
+ av_get_pix_fmt_name(output->format),
+ output->width, output->height, output->pts);
+
+ return ff_filter_frame(outlink, output);
+
+fail:
+ clFinish(ctx->command_queue);
+ av_frame_free(&input);
+ av_frame_free(&output);
+ return err;
+}
+
+static av_cold void vflip_opencl_uninit(AVFilterContext *avctx)
+{
+ VflipOpenCLContext *ctx = avctx->priv;
+ int cle;
+
+ if (ctx->kernel) {
+ cle = clReleaseKernel(ctx->kernel);
+ if (cle != CL_SUCCESS)
+ av_log(avctx, AV_LOG_ERROR, "Failed to release "
+ "kernel: %d.\n", cle);
+ }
+
+ if (ctx->command_queue) {
+ cle = clReleaseCommandQueue(ctx->command_queue);
+ if (cle != CL_SUCCESS)
+ av_log(avctx, AV_LOG_ERROR, "Failed to release "
+ "command queue: %d.\n", cle);
+ }
+
+ ff_opencl_filter_uninit(avctx);
+}
+
+static const AVFilterPad vflip_opencl_inputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .filter_frame = &vflip_opencl_filter_frame,
+ .config_props = &ff_opencl_filter_config_input,
+ },
+ { NULL }
+};
+
+static const AVFilterPad vflip_opencl_outputs[] = {
+ {
+ .name = "default",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .config_props = &ff_opencl_filter_config_output,
+ },
+ { NULL }
+};
+
+#define OFFSET(x) offsetof(VflipOpenCLContext, x)
+#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
+
+#if CONFIG_VFLIP_OPENCL_FILTER
+
+static const AVOption vflip_opencl_options[] = {
+ { NULL }
+};
+
+AVFILTER_DEFINE_CLASS(vflip_opencl);
+
+AVFilter ff_vf_vflip_opencl = {
+ .name = "vflip_opencl",
+ .description = NULL_IF_CONFIG_SMALL("Flip the input video vertically."),
+ .priv_size = sizeof(VflipOpenCLContext),
+ .priv_class = &vflip_opencl_class,
+ .init = &ff_opencl_filter_init,
+ .uninit = &vflip_opencl_uninit,
+ .query_formats = &ff_opencl_filter_query_formats,
+ .inputs = vflip_opencl_inputs,
+ .outputs = vflip_opencl_outputs,
+ .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
+};
+
+#endif /* CONFIG_VFLIP_OPENCL_FILTER */
+
+#if CONFIG_HFLIP_OPENCL_FILTER
+
+static const AVOption hflip_opencl_options[] = {
+ { NULL }
+};
+
+AVFILTER_DEFINE_CLASS(hflip_opencl);
+
+AVFilter ff_vf_hflip_opencl = {
+ .name = "hflip_opencl",
+ .description = NULL_IF_CONFIG_SMALL("Horizontally flip the input video."),
+ .priv_size = sizeof(VflipOpenCLContext),
+ .priv_class = &hflip_opencl_class,
+ .init = &ff_opencl_filter_init,
+ .uninit = &vflip_opencl_uninit,
+ .query_formats = &ff_opencl_filter_query_formats,
+ .inputs = vflip_opencl_inputs,
+ .outputs = vflip_opencl_outputs,
+ .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
+};
+
+#endif /* CONFIG_HFLIP_OPENCL_FILTER */