lavfi/opencl: add macro for opencl error handling.

Signed-off-by: Ruiling Song <ruiling.song@intel.com>

libavfilter/opencl.h

@@ -61,6 +61,18 @@ typedef struct OpenCLFilterContext {
         goto fail;                                             \
     }
 
+/**
+ * A helper macro to handle OpenCL errors. It will assign errcode to
+ * variable err, log error msg, and jump to fail label on error.
+ */
+#define CL_FAIL_ON_ERROR(errcode, ...) do {                    \
+        if (cle != CL_SUCCESS) {                               \
+            av_log(avctx, AV_LOG_ERROR, __VA_ARGS__);          \
+            err = errcode;                                     \
+            goto fail;                                         \
+        }                                                      \
+    } while(0)
+
 /**
  * Return that all inputs and outputs support only AV_PIX_FMT_OPENCL.
  */

libavfilter/vf_avgblur_opencl.c

@@ -64,26 +64,16 @@ static int avgblur_opencl_init(AVFilterContext *avctx)
     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;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create OpenCL "
+                     "command queue %d.\n", cle);
 
     ctx->kernel_horiz = clCreateKernel(ctx->ocf.program,"avgblur_horiz", &cle);
-    if (!ctx->kernel_horiz) {
-        av_log(avctx, AV_LOG_ERROR, "Failed to create kernel: %d.\n", cle);
-        err = AVERROR(EIO);
-        goto fail;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create horizontal "
+                     "kernel %d.\n", cle);
 
     ctx->kernel_vert = clCreateKernel(ctx->ocf.program,"avgblur_vert", &cle);
-    if (!ctx->kernel_vert) {
-        av_log(avctx, AV_LOG_ERROR, "Failed to create kernel: %d.\n", cle);
-        err = AVERROR(EIO);
-        goto fail;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create vertical "
+                     "kernel %d.\n", cle);
 
     ctx->initialised = 1;
     return 0;
@@ -236,12 +226,8 @@ static int avgblur_opencl_filter_frame(AVFilterLink *inlink, AVFrame *input)
             cle = clEnqueueNDRangeKernel(ctx->command_queue, ctx->kernel_horiz, 2, NULL,
                                          global_work, NULL,
                                          0, NULL, NULL);
-            if (cle != CL_SUCCESS) {
-                av_log(avctx, AV_LOG_ERROR, "Failed to enqueue kernel: %d.\n",
-                       cle);
-                err = AVERROR(EIO);
-                goto fail;
-            }
+            CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to enqueue horizontal "
+                             "kernel: %d.\n", cle);
             cle = clFinish(ctx->command_queue);
 
             err = ff_opencl_filter_work_size_from_image(avctx, global_work,
@@ -259,22 +245,13 @@ static int avgblur_opencl_filter_frame(AVFilterLink *inlink, AVFrame *input)
             cle = clEnqueueNDRangeKernel(ctx->command_queue, ctx->kernel_vert, 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;
-            }
+            CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to enqueue vertical "
+                             "kernel: %d.\n", cle);
         }
     }
 
     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;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to finish command queue: %d.\n", cle);
 
     err = av_frame_copy_props(output, input);
     if (err < 0)

libavfilter/vf_overlay_opencl.c

@@ -100,19 +100,11 @@ static int overlay_opencl_load(AVFilterContext *avctx,
     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;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create OpenCL "
+                     "command queue %d.\n", cle);
 
     ctx->kernel = clCreateKernel(ctx->ocf.program, kernel, &cle);
-    if (!ctx->kernel) {
-        av_log(avctx, AV_LOG_ERROR, "Failed to create kernel: %d.\n", cle);
-        err = AVERROR(EIO);
-        goto fail;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create kernel %d.\n", cle);
 
     ctx->initialised = 1;
     return 0;
@@ -209,21 +201,12 @@ static int overlay_opencl_blend(FFFrameSync *fs)
 
         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 "
-                   "overlay kernel for plane %d: %d.\n", cle, plane);
-            err = AVERROR(EIO);
-            goto fail;
-        }
+        CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to enqueue overlay kernel "
+                         "for plane %d: %d.\n", plane, cle);
     }
 
     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;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to finish command queue: %d.\n", cle);
 
     err = av_frame_copy_props(output, input_main);
 

libavfilter/vf_program_opencl.c

@@ -148,21 +148,11 @@ static int program_opencl_run(AVFilterContext *avctx)
 
         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;
-        }
+        CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to enqueue kernel: %d.\n", cle);
     }
 
     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;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to finish command queue: %d.\n", cle);
 
     if (ctx->nb_inputs > 0) {
         err = av_frame_copy_props(output, ctx->frames[0]);

libavfilter/vf_tonemap_opencl.c

@@ -262,29 +262,17 @@ static int tonemap_opencl_init(AVFilterContext *avctx)
     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;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create OpenCL "
+                     "command queue %d.\n", cle);
 
     ctx->kernel = clCreateKernel(ctx->ocf.program, "tonemap", &cle);
-    if (!ctx->kernel) {
-        av_log(avctx, AV_LOG_ERROR, "Failed to create kernel: %d.\n", cle);
-        err = AVERROR(EIO);
-        goto fail;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create kernel %d.\n", cle);
 
     ctx->util_mem =
         clCreateBuffer(ctx->ocf.hwctx->context, 0,
                        (2 * DETECTION_FRAMES + 7) * sizeof(unsigned),
                        NULL, &cle);
-    if (cle != CL_SUCCESS) {
-        av_log(avctx, AV_LOG_ERROR, "Failed to create util buffer: %d.\n", cle);
-        err = AVERROR(EIO);
-        goto fail;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create util buffer: %d.\n", cle);
 
     ctx->initialised = 1;
     return 0;
@@ -349,11 +337,7 @@ static int launch_kernel(AVFilterContext *avctx, cl_kernel kernel,
     cle = clEnqueueNDRangeKernel(ctx->command_queue, kernel, 2, NULL,
                                  global_work, local_work,
                                  0, NULL, NULL);
-    if (cle != CL_SUCCESS) {
-        av_log(avctx, AV_LOG_ERROR, "Failed to enqueue kernel: %d.\n",
-               cle);
-        return AVERROR(EIO);
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to enqueue kernel: %d.\n", cle);
     return 0;
 fail:
     return err;
@@ -482,12 +466,7 @@ static int tonemap_opencl_filter_frame(AVFilterLink *inlink, AVFrame *input)
     }
 
     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;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to finish command queue: %d.\n", cle);
 
     av_frame_free(&input);
 

libavfilter/vf_unsharp_opencl.c

@@ -76,12 +76,8 @@ static int unsharp_opencl_init(AVFilterContext *avctx)
     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;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create OpenCL "
+                     "command queue %d.\n", cle);
 
     // Use global kernel if mask size will be too big for the local store..
     ctx->global = (ctx->luma_size_x   > 17.0f ||
@@ -92,11 +88,7 @@ static int unsharp_opencl_init(AVFilterContext *avctx)
     ctx->kernel = clCreateKernel(ctx->ocf.program,
                                  ctx->global ? "unsharp_global"
                                              : "unsharp_local", &cle);
-    if (!ctx->kernel) {
-        av_log(avctx, AV_LOG_ERROR, "Failed to create kernel: %d.\n", cle);
-        err = AVERROR(EIO);
-        goto fail;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create kernel %d.\n", cle);
 
     ctx->initialised = 1;
     return 0;
@@ -176,12 +168,8 @@ static int unsharp_opencl_make_filter_params(AVFilterContext *avctx)
                                     CL_MEM_COPY_HOST_PTR |
                                     CL_MEM_HOST_NO_ACCESS,
                                     matrix_bytes, matrix, &cle);
-            if (!buffer) {
-                av_log(avctx, AV_LOG_ERROR, "Failed to create matrix buffer: "
+            CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create matrix buffer: "
                              "%d.\n", cle);
-                err = AVERROR(EIO);
-                goto fail;
-            }
             ctx->plane[p].matrix = buffer;
         } else {
             buffer = clCreateBuffer(ctx->ocf.hwctx->context,
@@ -190,12 +178,8 @@ static int unsharp_opencl_make_filter_params(AVFilterContext *avctx)
                                     CL_MEM_HOST_NO_ACCESS,
                                     sizeof(ctx->plane[p].blur_x),
                                     ctx->plane[p].blur_x, &cle);
-            if (!buffer) {
-                av_log(avctx, AV_LOG_ERROR, "Failed to create x-coef buffer: "
+            CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create x-coef buffer: "
                              "%d.\n", cle);
-                err = AVERROR(EIO);
-                goto fail;
-            }
             ctx->plane[p].coef_x = buffer;
 
             buffer = clCreateBuffer(ctx->ocf.hwctx->context,
@@ -204,12 +188,8 @@ static int unsharp_opencl_make_filter_params(AVFilterContext *avctx)
                                     CL_MEM_HOST_NO_ACCESS,
                                     sizeof(ctx->plane[p].blur_y),
                                     ctx->plane[p].blur_y, &cle);
-            if (!buffer) {
-                av_log(avctx, AV_LOG_ERROR, "Failed to create y-coef buffer: "
+            CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to create y-coef buffer: "
                              "%d.\n", cle);
-                err = AVERROR(EIO);
-                goto fail;
-            }
             ctx->plane[p].coef_y = buffer;
         }
 
@@ -296,21 +276,11 @@ static int unsharp_opencl_filter_frame(AVFilterLink *inlink, AVFrame *input)
         cle = clEnqueueNDRangeKernel(ctx->command_queue, ctx->kernel, 2, NULL,
                                      global_work, ctx->global ? NULL : local_work,
                                      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;
-        }
+        CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to enqueue kernel: %d.\n", cle);
     }
 
     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;
-    }
+    CL_FAIL_ON_ERROR(AVERROR(EIO), "Failed to finish command queue: %d.\n", cle);
 
     err = av_frame_copy_props(output, input);
     if (err < 0)