[FFmpeg-cvslog] libavfilter/opencl: Add macro for setting opencl kernel arguments

Danil Iashchenko git at videolan.org
Sun Jun 17 20:45:49 EEST 2018


ffmpeg | branch: master | Danil Iashchenko <danyaschenko at gmail.com> | Fri Jun 15 05:55:34 2018 +0300| [b41b6b323417ce1e79bf818f91d60526697954f1] | committer: Mark Thompson

libavfilter/opencl: Add macro for setting opencl kernel arguments

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b41b6b323417ce1e79bf818f91d60526697954f1
---

 libavfilter/opencl.h                | 15 ++++++++++
 libavfilter/vf_convolution_opencl.c | 43 ++++------------------------
 libavfilter/vf_overlay_opencl.c     | 44 +++++++++++-----------------
 libavfilter/vf_unsharp_opencl.c     | 57 ++++++-------------------------------
 4 files changed, 46 insertions(+), 113 deletions(-)

diff --git a/libavfilter/opencl.h b/libavfilter/opencl.h
index c0a4519785..7441b11614 100644
--- a/libavfilter/opencl.h
+++ b/libavfilter/opencl.h
@@ -46,6 +46,21 @@ typedef struct OpenCLFilterContext {
     int                output_height;
 } OpenCLFilterContext;
 
+
+/**
+ * set argument to specific Kernel.
+ * This macro relies on usage of local label "fail" and variables:
+ * avctx, cle and err.
+ */
+#define CL_SET_KERNEL_ARG(kernel, arg_num, type, arg)          \
+    cle = clSetKernelArg(kernel, arg_num, sizeof(type), arg);  \
+    if (cle != CL_SUCCESS) {                                   \
+        av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "    \
+               "argument %d: error %d.\n", arg_num, cle);      \
+        err = AVERROR(EIO);                                    \
+        goto fail;                                             \
+    }
+
 /**
  * Return that all inputs and outputs support only AV_PIX_FMT_OPENCL.
  */
diff --git a/libavfilter/vf_convolution_opencl.c b/libavfilter/vf_convolution_opencl.c
index 2df51e0534..4d0ecf8b9a 100644
--- a/libavfilter/vf_convolution_opencl.c
+++ b/libavfilter/vf_convolution_opencl.c
@@ -204,43 +204,12 @@ static int convolution_opencl_filter_frame(AVFilterLink *inlink, AVFrame *input)
         if (!dst)
             break;
 
-        cle = clSetKernelArg(ctx->kernel, 0, sizeof(cl_mem), &dst);
-        if (cle != CL_SUCCESS) {
-            av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "
-                   "destination image argument: %d.\n", cle);
-            goto fail;
-        }
-        cle = clSetKernelArg(ctx->kernel, 1, sizeof(cl_mem), &src);
-        if (cle != CL_SUCCESS) {
-            av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "
-                   "source image argument: %d.\n", cle);
-            goto fail;
-        }
-        cle = clSetKernelArg(ctx->kernel, 2, sizeof(cl_int), &ctx->dims[p]);
-        if (cle != CL_SUCCESS) {
-            av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "
-                   "matrix size argument: %d.\n", cle);
-            goto fail;
-        }
-        cle = clSetKernelArg(ctx->kernel, 3, sizeof(cl_mem), &ctx->matrix[p]);
-        if (cle != CL_SUCCESS) {
-            av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "
-                   "matrix argument: %d.\n", cle);
-            goto fail;
-        }
-        cle = clSetKernelArg(ctx->kernel, 4, sizeof(cl_float), &ctx->rdivs[p]);
-        if (cle != CL_SUCCESS) {
-            av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "
-                   "rdiv argument: %d.\n", cle);
-            goto fail;
-        }
-        cle = clSetKernelArg(ctx->kernel, 5, sizeof(cl_float), &ctx->biases[p]);
-        if (cle != CL_SUCCESS) {
-            av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "
-                   "bias argument: %d.\n", cle);
-            goto fail;
-        }
-
+        CL_SET_KERNEL_ARG(ctx->kernel, 0, cl_mem,   &dst);
+        CL_SET_KERNEL_ARG(ctx->kernel, 1, cl_mem,   &src);
+        CL_SET_KERNEL_ARG(ctx->kernel, 2, cl_int,   &ctx->dims[p]);
+        CL_SET_KERNEL_ARG(ctx->kernel, 3, cl_mem,   &ctx->matrix[p]);
+        CL_SET_KERNEL_ARG(ctx->kernel, 4, cl_float, &ctx->rdivs[p]);
+        CL_SET_KERNEL_ARG(ctx->kernel, 5, cl_float, &ctx->biases[p]);
 
         err = ff_opencl_filter_work_size_from_image(avctx, global_work, output, p, 0);
         if (err < 0)
diff --git a/libavfilter/vf_overlay_opencl.c b/libavfilter/vf_overlay_opencl.c
index b43050df58..556ce35070 100644
--- a/libavfilter/vf_overlay_opencl.c
+++ b/libavfilter/vf_overlay_opencl.c
@@ -167,47 +167,39 @@ static int overlay_opencl_blend(FFFrameSync *fs)
         kernel_arg = 0;
 
         mem = (cl_mem)output->data[plane];
-        cle = clSetKernelArg(ctx->kernel, kernel_arg++, sizeof(cl_mem), &mem);
-        if (cle != CL_SUCCESS)
-            goto fail_kernel_arg;
+        CL_SET_KERNEL_ARG(ctx->kernel, kernel_arg, cl_mem, &mem);
+        kernel_arg++;
 
         mem = (cl_mem)input_main->data[plane];
-        cle = clSetKernelArg(ctx->kernel, kernel_arg++, sizeof(cl_mem), &mem);
-        if (cle != CL_SUCCESS)
-            goto fail_kernel_arg;
+        CL_SET_KERNEL_ARG(ctx->kernel, kernel_arg, cl_mem, &mem);
+        kernel_arg++;
 
         mem = (cl_mem)input_overlay->data[plane];
-        cle = clSetKernelArg(ctx->kernel, kernel_arg++, sizeof(cl_mem), &mem);
-        if (cle != CL_SUCCESS)
-            goto fail_kernel_arg;
+        CL_SET_KERNEL_ARG(ctx->kernel, kernel_arg, cl_mem, &mem);
+        kernel_arg++;
 
         if (ctx->alpha_separate) {
             mem = (cl_mem)input_overlay->data[ctx->nb_planes];
-            cle = clSetKernelArg(ctx->kernel, kernel_arg++, sizeof(cl_mem), &mem);
-            if (cle != CL_SUCCESS)
-                goto fail_kernel_arg;
+            CL_SET_KERNEL_ARG(ctx->kernel, kernel_arg, cl_mem, &mem);
+            kernel_arg++;
         }
 
         x = ctx->x_position / (plane == 0 ? 1 : ctx->x_subsample);
         y = ctx->y_position / (plane == 0 ? 1 : ctx->y_subsample);
 
-        cle = clSetKernelArg(ctx->kernel, kernel_arg++, sizeof(cl_int), &x);
-        if (cle != CL_SUCCESS)
-            goto fail_kernel_arg;
-        cle = clSetKernelArg(ctx->kernel, kernel_arg++, sizeof(cl_int), &y);
-        if (cle != CL_SUCCESS)
-            goto fail_kernel_arg;
+        CL_SET_KERNEL_ARG(ctx->kernel, kernel_arg, cl_int, &x);
+        kernel_arg++;
+        CL_SET_KERNEL_ARG(ctx->kernel, kernel_arg, cl_int, &y);
+        kernel_arg++;
 
         if (ctx->alpha_separate) {
             cl_int alpha_adj_x = plane == 0 ? 1 : ctx->x_subsample;
             cl_int alpha_adj_y = plane == 0 ? 1 : ctx->y_subsample;
 
-            cle = clSetKernelArg(ctx->kernel, kernel_arg++, sizeof(cl_int), &alpha_adj_x);
-            if (cle != CL_SUCCESS)
-                goto fail_kernel_arg;
-            cle = clSetKernelArg(ctx->kernel, kernel_arg++, sizeof(cl_int), &alpha_adj_y);
-            if (cle != CL_SUCCESS)
-                goto fail_kernel_arg;
+            CL_SET_KERNEL_ARG(ctx->kernel, kernel_arg, cl_int, &alpha_adj_x);
+            kernel_arg++;
+            CL_SET_KERNEL_ARG(ctx->kernel, kernel_arg, cl_int, &alpha_adj_y);
+            kernel_arg++;
         }
 
         err = ff_opencl_filter_work_size_from_image(avctx, global_work,
@@ -241,10 +233,6 @@ static int overlay_opencl_blend(FFFrameSync *fs)
 
     return ff_filter_frame(outlink, output);
 
-fail_kernel_arg:
-    av_log(avctx, AV_LOG_ERROR, "Failed to set kernel arg %d: %d.\n",
-           kernel_arg, cle);
-    err = AVERROR(EIO);
 fail:
     av_frame_free(&output);
     return err;
diff --git a/libavfilter/vf_unsharp_opencl.c b/libavfilter/vf_unsharp_opencl.c
index 19c91857cb..5b1eb592bf 100644
--- a/libavfilter/vf_unsharp_opencl.c
+++ b/libavfilter/vf_unsharp_opencl.c
@@ -268,56 +268,17 @@ static int unsharp_opencl_filter_frame(AVFilterLink *inlink, AVFrame *input)
         if (!dst)
             break;
 
-        cle = clSetKernelArg(ctx->kernel, 0, sizeof(cl_mem), &dst);
-        if (cle != CL_SUCCESS) {
-            av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "
-                   "destination image argument: %d.\n", cle);
-            goto fail;
-        }
-        cle = clSetKernelArg(ctx->kernel, 1, sizeof(cl_mem), &src);
-        if (cle != CL_SUCCESS) {
-            av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "
-                   "source image argument: %d.\n", cle);
-            goto fail;
-        }
-        cle = clSetKernelArg(ctx->kernel, 2, sizeof(cl_int), &ctx->plane[p].size_x);
-        if (cle != CL_SUCCESS) {
-            av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "
-                   "matrix size argument: %d.\n", cle);
-            goto fail;
-        }
-        cle = clSetKernelArg(ctx->kernel, 3, sizeof(cl_int), &ctx->plane[p].size_y);
-        if (cle != CL_SUCCESS) {
-            av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "
-                   "matrix size argument: %d.\n", cle);
-            goto fail;
-        }
-        cle = clSetKernelArg(ctx->kernel, 4, sizeof(cl_float), &ctx->plane[p].amount);
-        if (cle != CL_SUCCESS) {
-            av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "
-                   "amount argument: %d.\n", cle);
-            goto fail;
-        }
+        CL_SET_KERNEL_ARG(ctx->kernel, 0, cl_mem,   &dst);
+        CL_SET_KERNEL_ARG(ctx->kernel, 1, cl_mem,   &src);
+        CL_SET_KERNEL_ARG(ctx->kernel, 2, cl_int,   &ctx->plane[p].size_x);
+        CL_SET_KERNEL_ARG(ctx->kernel, 3, cl_int,   &ctx->plane[p].size_y);
+        CL_SET_KERNEL_ARG(ctx->kernel, 4, cl_float, &ctx->plane[p].amount);
+
         if (ctx->global) {
-            cle = clSetKernelArg(ctx->kernel, 5, sizeof(cl_mem), &ctx->plane[p].matrix);
-            if (cle != CL_SUCCESS) {
-                av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "
-                       "matrix argument: %d.\n", cle);
-                goto fail;
-            }
+            CL_SET_KERNEL_ARG(ctx->kernel, 5, cl_mem, &ctx->plane[p].matrix);
         } else {
-            cle = clSetKernelArg(ctx->kernel, 5, sizeof(cl_mem), &ctx->plane[p].coef_x);
-            if (cle != CL_SUCCESS) {
-                av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "
-                       "x-coef argument: %d.\n", cle);
-                goto fail;
-            }
-            cle = clSetKernelArg(ctx->kernel, 6, sizeof(cl_mem), &ctx->plane[p].coef_y);
-            if (cle != CL_SUCCESS) {
-                av_log(avctx, AV_LOG_ERROR, "Failed to set kernel "
-                       "y-coef argument: %d.\n", cle);
-                goto fail;
-            }
+            CL_SET_KERNEL_ARG(ctx->kernel, 5, cl_mem, &ctx->plane[p].coef_x);
+            CL_SET_KERNEL_ARG(ctx->kernel, 6, cl_mem, &ctx->plane[p].coef_y);
         }
 
         err = ff_opencl_filter_work_size_from_image(avctx, global_work, output, p,



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