FFmpeg  4.4.6
Data Structures | Macros | Functions | Variables
vf_chromaber_vulkan.c File Reference
#include "libavutil/random_seed.h"
#include "libavutil/opt.h"
#include "vulkan.h"
#include "internal.h"

Go to the source code of this file.

Data Structures

struct  ChromaticAberrationVulkanContext
 

Macros

#define CGROUPS   (int [3]){ 32, 32, 1 }
 
#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 process_frames (AVFilterContext *avctx, AVFrame *out_f, AVFrame *in_f)
 
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 []
 
AVFilter ff_vf_chromaber_vulkan
 

Macro Definition Documentation

◆ CGROUPS

#define CGROUPS   (int [3]){ 32, 32, 1 }

Definition at line 24 of file vf_chromaber_vulkan.c.

◆ OFFSET

#define OFFSET (   x)    offsetof(ChromaticAberrationVulkanContext, x)

Definition at line 307 of file vf_chromaber_vulkan.c.

◆ FLAGS

Definition at line 308 of file vf_chromaber_vulkan.c.

Function Documentation

◆ init_filter()

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

Definition at line 67 of file vf_chromaber_vulkan.c.

Referenced by chromaber_vulkan_filter_frame().

◆ process_frames()

static int process_frames ( AVFilterContext avctx,
AVFrame out_f,
AVFrame in_f 
)
static

Definition at line 172 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 266 of file vf_chromaber_vulkan.c.

◆ chromaber_vulkan_uninit()

static void chromaber_vulkan_uninit ( AVFilterContext avctx)
static

Definition at line 298 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, } )
}
#define f(width, name)
Definition: cbs_vp9.c:255
#define C
unsigned int pos
Definition: spdifenc.c:412
int size
const char * b
Definition: vf_curves.c:118
const char * g
Definition: vf_curves.c:117
const char * r
Definition: vf_curves.c:116

Definition at line 43 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 },
}
#define NULL
Definition: coverity.c:32
@ AV_OPT_TYPE_FLOAT
Definition: opt.h:228
AVDictionary * opts
Definition: movenc.c:50
#define FLAGS
#define OFFSET(x)

Definition at line 309 of file vf_chromaber_vulkan.c.

◆ chromaber_vulkan_inputs

const AVFilterPad chromaber_vulkan_inputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = &ff_vk_filter_config_input,
},
{ NULL }
}
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
static int chromaber_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
int ff_vk_filter_config_input(AVFilterLink *inlink)
Definition: vulkan.c:635

Definition at line 317 of file vf_chromaber_vulkan.c.

◆ chromaber_vulkan_outputs

const AVFilterPad chromaber_vulkan_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = &ff_vk_filter_config_output,
},
{ NULL }
}
int ff_vk_filter_config_output(AVFilterLink *outlink)
Definition: vulkan.c:705

Definition at line 327 of file vf_chromaber_vulkan.c.

◆ ff_vf_chromaber_vulkan

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),
.priv_class = &chromaber_vulkan_class,
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}
static int query_formats(AVFilterContext *ctx)
Definition: aeval.c:243
static const AVFilterPad inputs[]
Definition: af_acontrast.c:193
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:31
static av_cold int uninit(AVCodecContext *avctx)
Definition: crystalhd.c:279
#define FF_FILTER_FLAG_HWFRAME_AWARE
The filter is aware of hardware frames, and any hardware frame context should not be automatically pr...
Definition: internal.h:339
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:117
static void chromaber_vulkan_uninit(AVFilterContext *avctx)
static const AVFilterPad chromaber_vulkan_inputs[]
static const AVFilterPad chromaber_vulkan_outputs[]
int ff_vk_filter_query_formats(AVFilterContext *avctx)
General lavfi IO functions.
Definition: vulkan.c:592
int ff_vk_filter_init(AVFilterContext *avctx)
Definition: vulkan.c:756

Definition at line 336 of file vf_chromaber_vulkan.c.