FFmpeg
Data Structures | Macros | Enumerations | Functions | Variables
vf_scale_vulkan.c File Reference
#include "libavutil/random_seed.h"
#include "libavutil/opt.h"
#include "vulkan_filter.h"
#include "vulkan_spirv.h"
#include "scale_eval.h"
#include "internal.h"
#include "colorspace.h"
#include "video.h"

Go to the source code of this file.

Data Structures

struct  ScaleVulkanContext
 

Macros

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

Enumerations

enum  ScalerFunc { F_BILINEAR = 0, F_NEAREST, F_NB }
 

Functions

static av_cold int init_filter (AVFilterContext *ctx, AVFrame *in)
 
static int scale_vulkan_filter_frame (AVFilterLink *link, AVFrame *in)
 
static int scale_vulkan_config_output (AVFilterLink *outlink)
 
static void scale_vulkan_uninit (AVFilterContext *avctx)
 
 AVFILTER_DEFINE_CLASS (scale_vulkan)
 

Variables

static const char scale_bilinear []
 
static const char rgb2yuv []
 
static const char write_nv12 []
 
static const char write_420 []
 
static const char write_444 []
 
static const AVOption scale_vulkan_options []
 
static const AVFilterPad scale_vulkan_inputs []
 
static const AVFilterPad scale_vulkan_outputs []
 
const AVFilter ff_vf_scale_vulkan
 

Macro Definition Documentation

◆ OFFSET

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

Definition at line 368 of file vf_scale_vulkan.c.

◆ FLAGS

Definition at line 369 of file vf_scale_vulkan.c.

Enumeration Type Documentation

◆ ScalerFunc

enum ScalerFunc
Enumerator
F_BILINEAR 
F_NEAREST 
F_NB 

Definition at line 30 of file vf_scale_vulkan.c.

Function Documentation

◆ init_filter()

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

Definition at line 112 of file vf_scale_vulkan.c.

Referenced by scale_vulkan_filter_frame().

◆ scale_vulkan_filter_frame()

static int scale_vulkan_filter_frame ( AVFilterLink link,
AVFrame in 
)
static

Definition at line 268 of file vf_scale_vulkan.c.

◆ scale_vulkan_config_output()

static int scale_vulkan_config_output ( AVFilterLink outlink)
static

Definition at line 306 of file vf_scale_vulkan.c.

◆ scale_vulkan_uninit()

static void scale_vulkan_uninit ( AVFilterContext avctx)
static

Definition at line 349 of file vf_scale_vulkan.c.

◆ AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS ( scale_vulkan  )

Variable Documentation

◆ scale_bilinear

const char scale_bilinear[]
static
Initial value:
= {
C(0, vec4 scale_bilinear(int idx, ivec2 pos, vec2 crop_range, vec2 crop_off))
C(0, { )
C(1, vec2 npos = (vec2(pos) + 0.5f) / imageSize(output_img[idx]); )
C(1, npos *= crop_range; )
C(1, npos += crop_off; )
C(1, return texture(input_img[idx], npos); )
C(0, } )
}

Definition at line 60 of file vf_scale_vulkan.c.

Referenced by init_filter().

◆ rgb2yuv

const char rgb2yuv[]
static

◆ write_nv12

const char write_nv12[]
static
Initial value:
= {
C(0, void write_nv12(vec4 src, ivec2 pos) )
C(0, { )
C(1, imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0)); )
C(1, pos /= ivec2(2); )
C(1, imageStore(output_img[1], pos, vec4(src.g, src.b, 0.0, 0.0)); )
C(0, } )
}

Definition at line 84 of file vf_scale_vulkan.c.

Referenced by init_filter().

◆ write_420

const char write_420[]
static
Initial value:
= {
C(0, void write_420(vec4 src, ivec2 pos) )
C(0, { )
C(1, imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0)); )
C(1, pos /= ivec2(2); )
C(1, imageStore(output_img[1], pos, vec4(src.g, 0.0, 0.0, 0.0)); )
C(1, imageStore(output_img[2], pos, vec4(src.b, 0.0, 0.0, 0.0)); )
C(0, } )
}

Definition at line 93 of file vf_scale_vulkan.c.

Referenced by init_filter().

◆ write_444

const char write_444[]
static
Initial value:
= {
C(0, void write_444(vec4 src, ivec2 pos) )
C(0, { )
C(1, imageStore(output_img[0], pos, vec4(src.r, 0.0, 0.0, 0.0)); )
C(1, imageStore(output_img[1], pos, vec4(src.g, 0.0, 0.0, 0.0)); )
C(1, imageStore(output_img[2], pos, vec4(src.b, 0.0, 0.0, 0.0)); )
C(0, } )
}

Definition at line 103 of file vf_scale_vulkan.c.

Referenced by init_filter().

◆ scale_vulkan_options

const AVOption scale_vulkan_options[]
static
Initial value:
= {
{ "w", "Output video width", OFFSET(w_expr), AV_OPT_TYPE_STRING, {.str = "iw"}, .flags = FLAGS },
{ "h", "Output video height", OFFSET(h_expr), AV_OPT_TYPE_STRING, {.str = "ih"}, .flags = FLAGS },
{ "scaler", "Scaler function", OFFSET(scaler), AV_OPT_TYPE_INT, {.i64 = F_BILINEAR}, 0, F_NB, .flags = FLAGS, .unit = "scaler" },
{ "bilinear", "Bilinear interpolation (fastest)", 0, AV_OPT_TYPE_CONST, {.i64 = F_BILINEAR}, 0, 0, .flags = FLAGS, .unit = "scaler" },
{ "nearest", "Nearest (useful for pixel art)", 0, AV_OPT_TYPE_CONST, {.i64 = F_NEAREST}, 0, 0, .flags = FLAGS, .unit = "scaler" },
{ "format", "Output video format (software format of hardware frames)", OFFSET(out_format_string), AV_OPT_TYPE_STRING, .flags = FLAGS },
{ "out_range", "Output colour range (from 0 to 2) (default 0)", OFFSET(out_range), AV_OPT_TYPE_INT, {.i64 = AVCOL_RANGE_UNSPECIFIED}, AVCOL_RANGE_UNSPECIFIED, AVCOL_RANGE_JPEG, .flags = FLAGS, .unit = "range" },
{ "full", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, .unit = "range" },
{ "limited", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, .unit = "range" },
{ "jpeg", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, .unit = "range" },
{ "mpeg", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, .unit = "range" },
{ "tv", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, .unit = "range" },
{ "pc", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, .unit = "range" },
{ NULL },
}

Definition at line 370 of file vf_scale_vulkan.c.

◆ scale_vulkan_inputs

const AVFilterPad scale_vulkan_inputs[]
static
Initial value:
= {
{
.name = "default",
.filter_frame = &scale_vulkan_filter_frame,
.config_props = &ff_vk_filter_config_input,
},
}

Definition at line 389 of file vf_scale_vulkan.c.

◆ scale_vulkan_outputs

const AVFilterPad scale_vulkan_outputs[]
static
Initial value:
= {
{
.name = "default",
.config_props = &scale_vulkan_config_output,
},
}

Definition at line 398 of file vf_scale_vulkan.c.

◆ ff_vf_scale_vulkan

const AVFilter ff_vf_scale_vulkan
Initial value:
= {
.name = "scale_vulkan",
.description = NULL_IF_CONFIG_SMALL("Scale Vulkan frames"),
.priv_size = sizeof(ScaleVulkanContext),
.priv_class = &scale_vulkan_class,
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
}

Definition at line 406 of file vf_scale_vulkan.c.

FF_FILTER_FLAG_HWFRAME_AWARE
#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:351
OFFSET
#define OFFSET(x)
Definition: vf_scale_vulkan.c:368
ff_vk_filter_init
int ff_vk_filter_init(AVFilterContext *avctx)
General lavfi IO functions.
Definition: vulkan_filter.c:221
AVCOL_RANGE_JPEG
@ AVCOL_RANGE_JPEG
Full range content.
Definition: pixfmt.h:683
scale_vulkan_outputs
static const AVFilterPad scale_vulkan_outputs[]
Definition: vf_scale_vulkan.c:398
b
#define b
Definition: input.c:41
rgb2yuv
static const char rgb2yuv[]
Definition: vf_scale_vulkan.c:70
write_nv12
static const char write_nv12[]
Definition: vf_scale_vulkan.c:84
write_420
static const char write_420[]
Definition: vf_scale_vulkan.c:93
AV_PIX_FMT_VULKAN
@ AV_PIX_FMT_VULKAN
Vulkan hardware images.
Definition: pixfmt.h:379
C
s EdgeDetect Foobar g libavfilter vf_edgedetect c libavfilter vf_foobar c edit libavfilter and add an entry for foobar following the pattern of the other filters edit libavfilter allfilters and add an entry for foobar following the pattern of the other filters configure make j< whatever > ffmpeg ffmpeg i you should get a foobar png with Lena edge detected That s your new playground is ready Some little details about what s going which in turn will define variables for the build system and the C
Definition: writing_filters.txt:58
F_NEAREST
@ F_NEAREST
Definition: vf_scale_vulkan.c:32
F_BILINEAR
@ F_BILINEAR
Definition: vf_scale_vulkan.c:31
g
const char * g
Definition: vf_curves.c:127
scale_vulkan_filter_frame
static int scale_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
Definition: vf_scale_vulkan.c:268
FILTER_INPUTS
#define FILTER_INPUTS(array)
Definition: internal.h:182
NULL
#define NULL
Definition: coverity.c:32
scale_vulkan_uninit
static void scale_vulkan_uninit(AVFilterContext *avctx)
Definition: vf_scale_vulkan.c:349
F_NB
@ F_NB
Definition: vf_scale_vulkan.c:34
FLAGS
#define FLAGS
Definition: vf_scale_vulkan.c:369
AVCOL_RANGE_UNSPECIFIED
@ AVCOL_RANGE_UNSPECIFIED
Definition: pixfmt.h:649
f
f
Definition: af_crystalizer.c:121
init
int(* init)(AVBSFContext *ctx)
Definition: dts2pts.c:365
NULL_IF_CONFIG_SMALL
#define NULL_IF_CONFIG_SMALL(x)
Return NULL if CONFIG_SMALL is true, otherwise the argument without modification.
Definition: internal.h:106
AVFILTER_FLAG_HWDEVICE
#define AVFILTER_FLAG_HWDEVICE
The filter can create hardware frames using AVFilterContext.hw_device_ctx.
Definition: avfilter.h:138
FILTER_SINGLE_PIXFMT
#define FILTER_SINGLE_PIXFMT(pix_fmt_)
Definition: internal.h:172
uninit
static void uninit(AVBSFContext *ctx)
Definition: pcm_rechunk.c:68
scale_bilinear
static const char scale_bilinear[]
Definition: vf_scale_vulkan.c:60
write_444
static const char write_444[]
Definition: vf_scale_vulkan.c:103
scale_vulkan_inputs
static const AVFilterPad scale_vulkan_inputs[]
Definition: vf_scale_vulkan.c:389
AVCOL_RANGE_MPEG
@ AVCOL_RANGE_MPEG
Narrow or limited range content.
Definition: pixfmt.h:666
pos
unsigned int pos
Definition: spdifenc.c:413
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:235
ScaleVulkanContext
Definition: vf_scale_vulkan.c:37
ff_vk_filter_config_input
int ff_vk_filter_config_input(AVFilterLink *inlink)
Definition: vulkan_filter.c:166
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
FILTER_OUTPUTS
#define FILTER_OUTPUTS(array)
Definition: internal.h:183
src
INIT_CLIP pixel * src
Definition: h264pred_template.c:418
scale_vulkan_config_output
static int scale_vulkan_config_output(AVFilterLink *outlink)
Definition: vf_scale_vulkan.c:306
AV_OPT_TYPE_STRING
@ AV_OPT_TYPE_STRING
Definition: opt.h:239
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:244