vf_interlace_vulkan.c File Reference

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

Go to the source code of this file.

Data Structures
struct	InterlaceVulkanContext

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

Functions
static av_cold int	init_filter (AVFilterContext *ctx)
static int	interlace_vulkan_filter_frame (AVFilterLink *link, AVFrame *in)
static void	interlace_vulkan_uninit (AVFilterContext *avctx)
static int	config_out_props (AVFilterLink *outlink)
	AVFILTER_DEFINE_CLASS (interlace_vulkan)

Variables
static const char	lowpass_off []
static const char	lowpass_lin []
static const char	lowpass_complex []
static const AVOption	interlace_vulkan_options []
static const AVFilterPad	interlace_vulkan_inputs []
static const AVFilterPad	interlace_vulkan_outputs []
const FFFilter	ff_vf_interlace_vulkan

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(InterlaceVulkanContext, x)

Definition at line 269 of file vf_interlace_vulkan.c.

FLAGS

#define FLAGS   (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)

Definition at line 270 of file vf_interlace_vulkan.c.

Function Documentation

init_filter()

static av_cold int init_filter ( AVFilterContext *  ctx )

static

Definition at line 71 of file vf_interlace_vulkan.c.

Referenced by interlace_vulkan_filter_frame().

interlace_vulkan_filter_frame()

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

static

Definition at line 186 of file vf_interlace_vulkan.c.

interlace_vulkan_uninit()

static void interlace_vulkan_uninit ( AVFilterContext *  avctx )

static

Definition at line 241 of file vf_interlace_vulkan.c.

config_out_props()

static int config_out_props ( AVFilterLink *  outlink )

static

Definition at line 261 of file vf_interlace_vulkan.c.

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

interlace_vulkan

)

Variable Documentation

lowpass_off

const char lowpass_off[]

static

Initial value:

= {
    C(0, vec4 get_line(sampler2D tex, const vec2 pos)                         )
    C(0, {                                                                    )
    C(1,     return texture(tex, pos);                                        )
    C(0, }                                                                    )
}

Definition at line 44 of file vf_interlace_vulkan.c.

Referenced by init_filter().

lowpass_lin

const char lowpass_lin[]

static

Initial value:

= {
    C(0, vec4 get_line(sampler2D tex, const vec2 pos)                         )
    C(0, {                                                                    )
    C(1,     return 0.50 * texture(tex, pos) +                                )
    C(1,            0.25 * texture(tex, pos - ivec2(0, 1)) +                  )
    C(1,            0.25 * texture(tex, pos + ivec2(0, 1));                   )
    C(0, }                                                                    )
}

Definition at line 51 of file vf_interlace_vulkan.c.

Referenced by init_filter().

lowpass_complex

const char lowpass_complex[]

static

Initial value:

= {
    C(0, vec4 get_line(sampler2D tex, const vec2 pos)                         )
    C(0, {                                                                    )
    C(1,     return  0.75  * texture(tex, pos) +                              )
    C(1,             0.25  * texture(tex, pos - ivec2(0, 1)) +                )
    C(1,             0.25  * texture(tex, pos + ivec2(0, 1)) +                )
    C(1,            -0.125 * texture(tex, pos - ivec2(0, 2)) +                )
    C(1,            -0.125 * texture(tex, pos + ivec2(0, 2));                 )
    C(0, }                                                                    )
}

Definition at line 60 of file vf_interlace_vulkan.c.

Referenced by init_filter().

interlace_vulkan_options

const AVOption interlace_vulkan_options[]

static

Initial value:

= {
    { "scan",              "scanning mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64 = MODE_TFF}, 0, 1, FLAGS, .unit = "mode"},
    { "tff",               "top field first",                              0, AV_OPT_TYPE_CONST, {.i64 = MODE_TFF}, INT_MIN, INT_MAX, FLAGS, .unit = "mode"},
    { "bff",               "bottom field first",                           0, AV_OPT_TYPE_CONST, {.i64 = MODE_BFF}, INT_MIN, INT_MAX, FLAGS, .unit = "mode"},
    { "lowpass",           "set vertical low-pass filter", OFFSET(lowpass), AV_OPT_TYPE_INT,   {.i64 = VLPF_LIN}, 0, 2, FLAGS, .unit = "lowpass" },
    {     "off",           "disable vertical low-pass filter",             0, AV_OPT_TYPE_CONST, {.i64 = VLPF_OFF}, INT_MIN, INT_MAX, FLAGS, .unit = "lowpass" },
    {     "linear",        "linear vertical low-pass filter",              0, AV_OPT_TYPE_CONST, {.i64 = VLPF_LIN}, INT_MIN, INT_MAX, FLAGS, .unit = "lowpass" },
    {     "complex",       "complex vertical low-pass filter",             0, AV_OPT_TYPE_CONST, {.i64 = VLPF_CMP}, INT_MIN, INT_MAX, FLAGS, .unit = "lowpass" },
    { NULL },
}

Definition at line 271 of file vf_interlace_vulkan.c.

interlace_vulkan_inputs

const AVFilterPad interlace_vulkan_inputs[]

static

Initial value:

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

Definition at line 284 of file vf_interlace_vulkan.c.

interlace_vulkan_outputs

const AVFilterPad interlace_vulkan_outputs[]

static

Initial value:

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

Definition at line 293 of file vf_interlace_vulkan.c.

ff_vf_interlace_vulkan

const FFFilter ff_vf_interlace_vulkan

Initial value:

= {
    .p.name         = "interlace_vulkan",
    .p.description  = NULL_IF_CONFIG_SMALL("Convert progressive video into interlaced."),
    .p.priv_class   = &interlace_vulkan_class,
    .p.flags        = AVFILTER_FLAG_HWDEVICE,
    .priv_size      = sizeof(InterlaceVulkanContext),
    .init           = &ff_vk_filter_init,
    .uninit         = &interlace_vulkan_uninit,
    FILTER_INPUTS(interlace_vulkan_inputs),
    FILTER_OUTPUTS(interlace_vulkan_outputs),
    FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN),
    .flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 301 of file vf_interlace_vulkan.c.