1 files changed, 81 insertions, 0 deletions
diff --git a/libavfilter/unsharp.h b/libavfilter/unsharp.h
new file mode 100644
index 0000000000..867892085d
--- /dev/null
+++ b/libavfilter/unsharp.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
+ * Copyright (C) 2013 Lenny Wang
+ *
+ * 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_UNSHARP_H
+#define AVFILTER_UNSHARP_H
+
+#include "config.h"
+#include "avfilter.h"
+#if CONFIG_OPENCL
+#include "libavutil/opencl.h"
+#endif
+
+#define MIN_MATRIX_SIZE 3
+#define MAX_MATRIX_SIZE 63
+
+#if CONFIG_OPENCL
+
+typedef struct {
+    cl_command_queue command_queue;
+    cl_program program;
+    cl_kernel kernel_default;
+    cl_kernel kernel_luma;
+    cl_kernel kernel_chroma;
+    cl_mem cl_luma_mask;
+    cl_mem cl_chroma_mask;
+    int in_plane_size[8];
+    int out_plane_size[8];
+    int plane_num;
+    cl_mem cl_inbuf;
+    size_t cl_inbuf_size;
+    cl_mem cl_outbuf;
+    size_t cl_outbuf_size;
+    int use_fast_kernels;
+} UnsharpOpenclContext;
+
+#endif
+
+typedef struct UnsharpFilterParam {
+    int msize_x;                             ///< matrix width
+    int msize_y;                             ///< matrix height
+    int amount;                              ///< effect amount
+    int steps_x;                             ///< horizontal step count
+    int steps_y;                             ///< vertical step count
+    int scalebits;                           ///< bits to shift pixel
+    int32_t halfscale;                       ///< amount to add to pixel
+    uint32_t *sc[MAX_MATRIX_SIZE - 1];       ///< finite state machine storage
+} UnsharpFilterParam;
+
+typedef struct {
+    const AVClass *class;
+    int lmsize_x, lmsize_y, cmsize_x, cmsize_y;
+    float lamount, camount;
+    UnsharpFilterParam luma;   ///< luma parameters (width, height, amount)
+    UnsharpFilterParam chroma; ///< chroma parameters (width, height, amount)
+    int hsub, vsub;
+    int opencl;
+#if CONFIG_OPENCL
+    UnsharpOpenclContext opencl_ctx;
+#endif
+    int (* apply_unsharp)(AVFilterContext *ctx, AVFrame *in, AVFrame *out);
+} UnsharpContext;
+
+#endif /* AVFILTER_UNSHARP_H */