diff options
author | highgod0401 <highgod0401@gmail.com> | 2013-04-25 15:32:13 +0400 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2013-04-26 05:05:26 +0400 |
commit | cd134963e8fdaae14a25779799e4436f99e50557 (patch) | |
tree | 88cda5054cc367edc73967504566af8aa9fc6212 /libavfilter/unsharp.h | |
parent | f31247cf47dcb7f3d986c67f1abbc0b50f1beefe (diff) |
lavfi/unsharp: add opencl unsharp filter
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter/unsharp.h')
-rw-r--r-- | libavfilter/unsharp.h | 78 |
1 files changed, 78 insertions, 0 deletions
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 <weigao@multicorewareinc.com> + * + * 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 */ |