lavfi: Add boxblur_opencl filter

Behaves like existing boxblur filter.

1 files changed, 48 insertions, 0 deletions

diff --git a/libavfilter/boxblur.h b/libavfilter/boxblur.h
new file mode 100644
index 0000000000..5694722a9d
--- /dev/null
+++ b/libavfilter/boxblur.h
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2002 Michael Niedermayer <michaelni@gmx.at>
+ * Copyright (c) 2011 Stefano Sabatini
+ * 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
+ */
+
+#ifndef AVFILTER_BOXBLUR_H
+#define AVFILTER_BOXBLUR_H
+
+#include "libavutil/eval.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/mem.h"
+
+#include "avfilter.h"
+
+typedef struct FilterParam {
+    int radius;
+    int power;
+    char *radius_expr;
+} FilterParam;
+
+#define Y 0
+#define U 1
+#define V 2
+#define A 3
+
+int ff_boxblur_eval_filter_params(AVFilterLink *inlink,
+                                  FilterParam *luma_param,
+                                  FilterParam *chroma_param,
+                                  FilterParam *alpha_param);
+
+#endif // AVFILTER_BOXBLUR_H