avfilter/af_afir: do not over allocate fft buffer
[ffmpeg.git] / libavfilter / opencl.h
index c0a4519..1b7f117 100644 (file)
@@ -46,6 +46,33 @@ 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;                                             \
+    }
+
+/**
+ * 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.
  */