vf_chromaber_vulkan.c File Reference

#include "libavutil/random_seed.h"
#include "libavutil/opt.h"
#include "libavutil/vulkan_spirv.h"
#include "vulkan_filter.h"
#include "filters.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	ChromaticAberrationVulkanContext

Macros
#define	OFFSET(x)   offsetof(ChromaticAberrationVulkanContext, x)
#define	FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Functions
static av_cold int	init_filter (AVFilterContext *ctx, AVFrame *in)
static int	chromaber_vulkan_filter_frame (AVFilterLink *link, AVFrame *in)
static void	chromaber_vulkan_uninit (AVFilterContext *avctx)
	AVFILTER_DEFINE_CLASS (chromaber_vulkan)

Variables
static const char	distort_chroma_kernel []
static const AVOption	chromaber_vulkan_options []
static const AVFilterPad	chromaber_vulkan_inputs []
static const AVFilterPad	chromaber_vulkan_outputs []
const AVFilter	ff_vf_chromaber_vulkan

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(ChromaticAberrationVulkanContext, x)

Definition at line 225 of file vf_chromaber_vulkan.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 226 of file vf_chromaber_vulkan.c.

Function Documentation

init_filter()

static av_cold int init_filter ( AVFilterContext *  ctx, AVFrame *  in  )

static

Definition at line 68 of file vf_chromaber_vulkan.c.

Referenced by chromaber_vulkan_filter_frame().

chromaber_vulkan_filter_frame()

static int chromaber_vulkan_filter_frame ( AVFilterLink *  link, AVFrame *  in  )

static

Definition at line 174 of file vf_chromaber_vulkan.c.

chromaber_vulkan_uninit()

static void chromaber_vulkan_uninit ( AVFilterContext *  avctx )

static

Definition at line 207 of file vf_chromaber_vulkan.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

chromaber_vulkan

)

Variable Documentation

distort_chroma_kernel

const char distort_chroma_kernel[]

static

Initial value:

= {
    C(0, void distort_rgb(ivec2 size, ivec2 pos)                               )
    C(0, {                                                                     )
    C(1,     const vec2 p = ((vec2(pos)/vec2(size)) - 0.5f)*2.0f;              )
    C(1,     const vec2 o = p * (dist - 1.0f);                                 )
    C(0,                                                                       )
    C(1,     vec4 res;                                                         )
    C(1,     res.r = texture(input_img[0], ((p - o)/2.0f) + 0.5f).r;           )
    C(1,     res.g = texture(input_img[0], ((p    )/2.0f) + 0.5f).g;           )
    C(1,     res.b = texture(input_img[0], ((p + o)/2.0f) + 0.5f).b;           )
    C(1,     res.a = texture(input_img[0], ((p    )/2.0f) + 0.5f).a;           )
    C(1,     imageStore(output_img[0], pos, res);                              )
    C(0, }                                                                     )
    C(0,                                                                       )
    C(0, void distort_chroma(int idx, ivec2 size, ivec2 pos)                   )
    C(0, {                                                                     )
    C(1,     vec2 p = ((vec2(pos)/vec2(size)) - 0.5f)*2.0f;                    )
    C(1,     float d = sqrt(p.x*p.x + p.y*p.y);                                )
    C(1,     p *= d / (d*dist);                                                )
    C(1,     vec4 res = texture(input_img[idx], (p/2.0f) + 0.5f);              )
    C(1,     imageStore(output_img[idx], pos, res);                            )
    C(0, }                                                                     )
}

Definition at line 44 of file vf_chromaber_vulkan.c.

Referenced by init_filter().

chromaber_vulkan_options

const AVOption chromaber_vulkan_options[]

static

Initial value:

= {
    { "dist_x", "Set horizontal distortion amount", OFFSET(opts.dist[0]), AV_OPT_TYPE_FLOAT, {.dbl = 0.0f}, -10.0f, 10.0f, .flags = FLAGS },
    { "dist_y", "Set vertical distortion amount",   OFFSET(opts.dist[1]), AV_OPT_TYPE_FLOAT, {.dbl = 0.0f}, -10.0f, 10.0f, .flags = FLAGS },
    { NULL },
}

Definition at line 227 of file vf_chromaber_vulkan.c.

chromaber_vulkan_inputs

const AVFilterPad chromaber_vulkan_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .filter_frame = &chromaber_vulkan_filter_frame,
        .config_props = &ff_vk_filter_config_input,
    },
}

Definition at line 235 of file vf_chromaber_vulkan.c.

chromaber_vulkan_outputs

const AVFilterPad chromaber_vulkan_outputs[]

static

Initial value:

= {
    {
        .name = "default",
        .type = AVMEDIA_TYPE_VIDEO,
        .config_props = &ff_vk_filter_config_output,
    },
}

Definition at line 244 of file vf_chromaber_vulkan.c.

ff_vf_chromaber_vulkan

const AVFilter ff_vf_chromaber_vulkan

Initial value:

= {
    .name           = "chromaber_vulkan",
    .description    = NULL_IF_CONFIG_SMALL("Offset chroma of input video (chromatic aberration)"),
    .priv_size      = sizeof(ChromaticAberrationVulkanContext),
    .init           = &ff_vk_filter_init,
    .uninit         = &chromaber_vulkan_uninit,
    FILTER_INPUTS(chromaber_vulkan_inputs),
    FILTER_OUTPUTS(chromaber_vulkan_outputs),
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN),
    .priv_class     = &chromaber_vulkan_class,
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
    .flags          = AVFILTER_FLAG_HWDEVICE,
}

Definition at line 252 of file vf_chromaber_vulkan.c.