vf_blend_init.h File Reference

#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/imgutils.h"
#include "blend.h"
#include "blend_modes.c"

Go to the source code of this file.

Macros
#define	DEPTH   8
#define	DEPTH   9
#define	DEPTH   10
#define	DEPTH   12
#define	DEPTH   14
#define	DEPTH   16
#define	DEPTH   32
#define	COPY(src, depth)
#define	BLEND_NORMAL(name, type)
#define	DEFINE_INIT_BLEND_FUNC(depth, nbits)

Functions
static av_unused void	ff_blend_init (FilterParams *param, int depth)

Macro Definition Documentation

DEPTH [1/7]

#define DEPTH   8

Definition at line 29 of file vf_blend_init.h.

DEPTH [2/7]

#define DEPTH   9

Definition at line 29 of file vf_blend_init.h.

DEPTH [3/7]

#define DEPTH   10

Definition at line 29 of file vf_blend_init.h.

DEPTH [4/7]

#define DEPTH   12

Definition at line 29 of file vf_blend_init.h.

DEPTH [5/7]

#define DEPTH   14

Definition at line 29 of file vf_blend_init.h.

DEPTH [6/7]

#define DEPTH   16

Definition at line 29 of file vf_blend_init.h.

DEPTH [7/7]

#define DEPTH   32

Definition at line 29 of file vf_blend_init.h.

COPY

#define COPY	(		src,
			depth )

Value:

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, SliceParams *sliceparam)    \
{                                                                            \
    av_image_copy_plane(dst, dst_linesize, src, src ## _linesize,            \
                        width * depth / 8, height);                          \
}

Definition at line 56 of file vf_blend_init.h.

BLEND_NORMAL

#define BLEND_NORMAL	(		name,
			type )

Value:

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, SliceParams *sliceparam)     \
{                                                                                 \
    const float opacity = param->opacity;                                         \
                                                                                  \
    for (int i = 0; i < height; i++) {                                            \
        const type *top = (const type*)_top;                                      \
        const type *bottom = (const type*)_bottom;                                \
        type *dst = (type*)_dst;                                                  \
        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;                                               \
    }                                                                             \
}

Definition at line 78 of file vf_blend_init.h.

Referenced by ff_blend_init().

DEFINE_INIT_BLEND_FUNC

#define DEFINE_INIT_BLEND_FUNC	(		depth,
			nbits )

Definition at line 104 of file vf_blend_init.h.

Function Documentation

ff_blend_init()

static av_unused void ff_blend_init ( FilterParams * param, int depth )

static

Definition at line 158 of file vf_blend_init.h.

Referenced by config_params(), and ff_blend_init().