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/*
* Copyright (c) 2013 Paul B Mahol
*
* 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_BLEND_INIT_H
#define AVFILTER_BLEND_INIT_H
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/imgutils.h"
#include "blend.h"
#define DEPTH 8
#include "blend_modes.c"
#undef DEPTH
#define DEPTH 9
#include "blend_modes.c"
#undef DEPTH
#define DEPTH 10
#include "blend_modes.c"
#undef DEPTH
#define DEPTH 12
#include "blend_modes.c"
#undef DEPTH
#define DEPTH 14
#include "blend_modes.c"
#undef DEPTH
#define DEPTH 16
#include "blend_modes.c"
#undef DEPTH
#define DEPTH 32
#include "blend_modes.c"
#define COPY(src, depth) \
static void blend_copy ## src##_##depth(const uint8_t *top, ptrdiff_t top_linesize, \
const uint8_t *bottom, ptrdiff_t bottom_linesize,\
uint8_t *dst, ptrdiff_t dst_linesize, \
ptrdiff_t width, ptrdiff_t height, \
FilterParams *param, double *values, int starty) \
{ \
av_image_copy_plane(dst, dst_linesize, src, src ## _linesize, \
width * depth / 8, height); \
}
COPY(top, 8)
COPY(bottom, 8)
COPY(top, 16)
COPY(bottom, 16)
COPY(top, 32)
COPY(bottom, 32)
#undef COPY
#define BLEND_NORMAL(name, type) \
static void blend_normal_##name(const uint8_t *_top, ptrdiff_t top_linesize, \
const uint8_t *_bottom, ptrdiff_t bottom_linesize,\
uint8_t *_dst, ptrdiff_t dst_linesize, \
ptrdiff_t width, ptrdiff_t height, \
FilterParams *param, double *values, int starty) \
{ \
const type *top = (type*)_top; \
const type *bottom = (type*)_bottom; \
type *dst = (type*)_dst; \
const float opacity = param->opacity; \
\
dst_linesize /= sizeof(type); \
top_linesize /= sizeof(type); \
bottom_linesize /= sizeof(type); \
\
for (int i = 0; i < height; i++) { \
for (int j = 0; j < width; j++) { \
dst[j] = top[j] * opacity + bottom[j] * (1.f - opacity); \
} \
dst += dst_linesize; \
top += top_linesize; \
bottom += bottom_linesize; \
} \
}
BLEND_NORMAL(8bit, uint8_t)
BLEND_NORMAL(16bit, uint16_t)
BLEND_NORMAL(32bit, float)
#define DEFINE_INIT_BLEND_FUNC(depth, nbits) \
static av_cold void init_blend_func_##depth##_##nbits##bit(FilterParams *param) \
{ \
switch (param->mode) { \
case BLEND_ADDITION: param->blend = blend_addition_##depth##bit; break; \
case BLEND_GRAINMERGE: param->blend = blend_grainmerge_##depth##bit; break; \
case BLEND_AND: param->blend = blend_and_##depth##bit; break; \
case BLEND_AVERAGE: param->blend = blend_average_##depth##bit; break; \
case BLEND_BURN: param->blend = blend_burn_##depth##bit; break; \
case BLEND_DARKEN: param->blend = blend_darken_##depth##bit; break; \
case BLEND_DIFFERENCE: param->blend = blend_difference_##depth##bit; break; \
case BLEND_GRAINEXTRACT: param->blend = blend_grainextract_##depth##bit; break; \
case BLEND_DIVIDE: param->blend = blend_divide_##depth##bit; break; \
case BLEND_DODGE: param->blend = blend_dodge_##depth##bit; break; \
case BLEND_EXCLUSION: param->blend = blend_exclusion_##depth##bit; break; \
case BLEND_EXTREMITY: param->blend = blend_extremity_##depth##bit; break; \
case BLEND_FREEZE: param->blend = blend_freeze_##depth##bit; break; \
case BLEND_GLOW: param->blend = blend_glow_##depth##bit; break; \
case BLEND_HARDLIGHT: param->blend = blend_hardlight_##depth##bit; break; \
case BLEND_HARDMIX: param->blend = blend_hardmix_##depth##bit; break; \
case BLEND_HEAT: param->blend = blend_heat_##depth##bit; break; \
case BLEND_LIGHTEN: param->blend = blend_lighten_##depth##bit; break; \
case BLEND_LINEARLIGHT: param->blend = blend_linearlight_##depth##bit; break; \
case BLEND_MULTIPLY: param->blend = blend_multiply_##depth##bit; break; \
case BLEND_MULTIPLY128: param->blend = blend_multiply128_##depth##bit; break; \
case BLEND_NEGATION: param->blend = blend_negation_##depth##bit; break; \
case BLEND_NORMAL: param->blend = blend_normal_##nbits##bit; break; \
case BLEND_OR: param->blend = blend_or_##depth##bit; break; \
case BLEND_OVERLAY: param->blend = blend_overlay_##depth##bit; break; \
case BLEND_PHOENIX: param->blend = blend_phoenix_##depth##bit; break; \
case BLEND_PINLIGHT: param->blend = blend_pinlight_##depth##bit; break; \
case BLEND_REFLECT: param->blend = blend_reflect_##depth##bit; break; \
case BLEND_SCREEN: param->blend = blend_screen_##depth##bit; break; \
case BLEND_SOFTLIGHT: param->blend = blend_softlight_##depth##bit; break; \
case BLEND_SUBTRACT: param->blend = blend_subtract_##depth##bit; break; \
case BLEND_VIVIDLIGHT: param->blend = blend_vividlight_##depth##bit; break; \
case BLEND_XOR: param->blend = blend_xor_##depth##bit; break; \
case BLEND_SOFTDIFFERENCE:param->blend=blend_softdifference_##depth##bit;break; \
case BLEND_GEOMETRIC: param->blend = blend_geometric_##depth##bit; break; \
case BLEND_HARMONIC: param->blend = blend_harmonic_##depth##bit; break; \
case BLEND_BLEACH: param->blend = blend_bleach_##depth##bit; break; \
case BLEND_STAIN: param->blend = blend_stain_##depth##bit; break; \
case BLEND_INTERPOLATE: param->blend = blend_interpolate_##depth##bit; break; \
case BLEND_HARDOVERLAY: param->blend = blend_hardoverlay_##depth##bit; break; \
} \
}
DEFINE_INIT_BLEND_FUNC(8, 8)
DEFINE_INIT_BLEND_FUNC(9, 16)
DEFINE_INIT_BLEND_FUNC(10, 16)
DEFINE_INIT_BLEND_FUNC(12, 16)
DEFINE_INIT_BLEND_FUNC(14, 16)
DEFINE_INIT_BLEND_FUNC(16, 16)
DEFINE_INIT_BLEND_FUNC(32, 32)
static av_unused void ff_blend_init(FilterParams *param, int depth)
{
switch (depth) {
case 8:
init_blend_func_8_8bit(param);
break;
case 9:
init_blend_func_9_16bit(param);
break;
case 10:
init_blend_func_10_16bit(param);
break;
case 12:
init_blend_func_12_16bit(param);
break;
case 14:
init_blend_func_14_16bit(param);
break;
case 16:
init_blend_func_16_16bit(param);
break;
case 32:
init_blend_func_32_32bit(param);
break;
}
if (param->opacity == 0 && param->mode != BLEND_NORMAL) {
param->blend = depth > 8 ? depth > 16 ? blend_copytop_32 : blend_copytop_16 : blend_copytop_8;
} else if (param->mode == BLEND_NORMAL) {
if (param->opacity == 1)
param->blend = depth > 8 ? depth > 16 ? blend_copytop_32 : blend_copytop_16 : blend_copytop_8;
else if (param->opacity == 0)
param->blend = depth > 8 ? depth > 16 ? blend_copybottom_32 : blend_copybottom_16 : blend_copybottom_8;
}
#if ARCH_X86
ff_blend_init_x86(param, depth);
#endif
}
#endif /* AVFILTER_BLEND_INIT_H */
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