From cd134963e8fdaae14a25779799e4436f99e50557 Mon Sep 17 00:00:00 2001 From: highgod0401 Date: Thu, 25 Apr 2013 19:32:13 +0800 Subject: lavfi/unsharp: add opencl unsharp filter Signed-off-by: Michael Niedermayer --- libavfilter/unsharp.h | 78 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 libavfilter/unsharp.h (limited to 'libavfilter/unsharp.h') diff --git a/libavfilter/unsharp.h b/libavfilter/unsharp.h new file mode 100644 index 0000000000..0add8aa7fa --- /dev/null +++ b/libavfilter/unsharp.h @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2013 Wei Gao + * + * 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 + +/* right-shift and round-up */ +#define SHIFTUP(x,shift) (-((-(x))>>(shift))) + +#if CONFIG_OPENCL + +typedef struct { + 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; + AVOpenCLKernelEnv kernel_env; +} 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 */ -- cgit v1.2.3