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libavfilter
unsharp.h
Go to the documentation of this file.
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/*
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* Copyright (C) 2013 Wei Gao <weigao@multicorewareinc.com>
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* Copyright (C) 2013 Lenny Wang
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFILTER_UNSHARP_H
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#define AVFILTER_UNSHARP_H
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#include "config.h"
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#include "
avfilter.h
"
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#if CONFIG_OPENCL
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#include "
libavutil/opencl.h
"
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#endif
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#define MIN_MATRIX_SIZE 3
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#define MAX_MATRIX_SIZE 63
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#if CONFIG_OPENCL
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typedef
struct
{
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cl_command_queue command_queue;
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cl_program program;
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cl_kernel kernel_default;
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cl_kernel kernel_luma;
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cl_kernel kernel_chroma;
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cl_mem cl_luma_mask;
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cl_mem cl_chroma_mask;
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cl_mem cl_luma_mask_x;
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cl_mem cl_chroma_mask_x;
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cl_mem cl_luma_mask_y;
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cl_mem cl_chroma_mask_y;
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int
in_plane_size[8];
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int
out_plane_size[8];
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int
plane_num;
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cl_mem cl_inbuf;
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size_t
cl_inbuf_size;
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cl_mem cl_outbuf;
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size_t
cl_outbuf_size;
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int
use_fast_kernels;
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} UnsharpOpenclContext;
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#endif
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typedef
struct
UnsharpFilterParam
{
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int
msize_x
;
///< matrix width
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int
msize_y
;
///< matrix height
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int
amount
;
///< effect amount
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int
steps_x
;
///< horizontal step count
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int
steps_y
;
///< vertical step count
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int
scalebits
;
///< bits to shift pixel
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int32_t
halfscale
;
///< amount to add to pixel
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uint32_t *
sc
[
MAX_MATRIX_SIZE
- 1];
///< finite state machine storage
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}
UnsharpFilterParam
;
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typedef
struct
UnsharpContext
{
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const
AVClass
*
class
;
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int
lmsize_x
,
lmsize_y
,
cmsize_x
,
cmsize_y
;
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float
lamount
,
camount
;
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UnsharpFilterParam
luma
;
///< luma parameters (width, height, amount)
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UnsharpFilterParam
chroma
;
///< chroma parameters (width, height, amount)
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int
hsub
,
vsub
;
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int
opencl
;
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#if CONFIG_OPENCL
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UnsharpOpenclContext
opencl_ctx
;
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#endif
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int (*
apply_unsharp
)(
AVFilterContext
*ctx,
AVFrame
*
in
,
AVFrame
*
out
);
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}
UnsharpContext
;
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#endif
/* AVFILTER_UNSHARP_H */
Generated on Sun Mar 8 2015 02:35:06 for FFmpeg by
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