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

Go to the source code of this file.

Data Structures

struct  ScaleVulkanContext
 

Macros

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

◆ CGROUPS

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

Definition at line 26 of file vf_scale_vulkan.c.

◆ OFFSET

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

Definition at line 487 of file vf_scale_vulkan.c.

◆ FLAGS

Definition at line 488 of file vf_scale_vulkan.c.

Enumeration Type Documentation

◆ ScalerFunc

enum ScalerFunc
Enumerator
F_BILINEAR 
F_NEAREST 
F_NB 

Definition at line 28 of file vf_scale_vulkan.c.

Function Documentation

◆ init_filter()

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

Definition at line 107 of file vf_scale_vulkan.c.

Referenced by scale_vulkan_filter_frame().

◆ process_frames()

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

Definition at line 294 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 394 of file vf_scale_vulkan.c.

◆ scale_vulkan_config_output()

static int scale_vulkan_config_output ( AVFilterLink outlink)
static

Definition at line 431 of file vf_scale_vulkan.c.

◆ scale_vulkan_uninit()

static void scale_vulkan_uninit ( AVFilterContext avctx)
static

Definition at line 477 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 55 of file vf_scale_vulkan.c.

Referenced by init_filter().

◆ rgb2yuv

const char rgb2yuv[]
static
Initial value:
= {
C(0, vec4 rgb2yuv(vec4 src, int fullrange) )
C(0, { )
C(1, src *= yuv_matrix; )
C(1, if (fullrange == 1) { )
C(2, src += vec4(0.0, 0.5, 0.5, 0.0); )
C(1, } else { )
C(2, src *= vec4(219.0 / 255.0, 224.0 / 255.0, 224.0 / 255.0, 1.0); )
C(2, src += vec4(16.0 / 255.0, 128.0 / 255.0, 128.0 / 255.0, 0.0); )
C(1, } )
C(1, return src; )
C(0, } )
}

Definition at line 65 of file vf_scale_vulkan.c.

Referenced by init_filter().

◆ 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 79 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 88 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 98 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, "scaler" },
{ "bilinear", "Bilinear interpolation (fastest)", 0, AV_OPT_TYPE_CONST, {.i64 = F_BILINEAR}, 0, 0, .flags = FLAGS, "scaler" },
{ "nearest", "Nearest (useful for pixel art)", 0, AV_OPT_TYPE_CONST, {.i64 = F_NEAREST}, 0, 0, .flags = FLAGS, "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, "range" },
{ "full", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
{ "limited", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
{ "jpeg", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
{ "mpeg", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
{ "tv", "Limited range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_MPEG }, 0, 0, FLAGS, "range" },
{ "pc", "Full range", 0, AV_OPT_TYPE_CONST, { .i64 = AVCOL_RANGE_JPEG }, 0, 0, FLAGS, "range" },
{ NULL },
}

Definition at line 489 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,
},
{ NULL }
}

Definition at line 508 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,
},
{ NULL }
}

Definition at line 518 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 527 of file vf_scale_vulkan.c.

ff_vk_filter_query_formats
int ff_vk_filter_query_formats(AVFilterContext *avctx)
General lavfi IO functions.
Definition: vulkan.c:592
init
static av_cold int init(AVCodecContext *avctx)
Definition: avrndec.c:31
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:339
OFFSET
#define OFFSET(x)
Definition: vf_scale_vulkan.c:487
AVCOL_RANGE_JPEG
@ AVCOL_RANGE_JPEG
Full range content.
Definition: pixfmt.h:576
scale_vulkan_outputs
static const AVFilterPad scale_vulkan_outputs[]
Definition: vf_scale_vulkan.c:518
b
#define b
Definition: input.c:41
rgb2yuv
static const char rgb2yuv[]
Definition: vf_scale_vulkan.c:65
write_nv12
static const char write_nv12[]
Definition: vf_scale_vulkan.c:79
write_420
static const char write_420[]
Definition: vf_scale_vulkan.c:88
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
inputs
these buffered frames must be flushed immediately if a new input produces new the filter must not call request_frame to get more It must just process the frame or queue it The task of requesting more frames is left to the filter s request_frame method or the application If a filter has several inputs
Definition: filter_design.txt:243
F_NEAREST
@ F_NEAREST
Definition: vf_scale_vulkan.c:30
ff_vk_filter_config_input
int ff_vk_filter_config_input(AVFilterLink *inlink)
Definition: vulkan.c:635
F_BILINEAR
@ F_BILINEAR
Definition: vf_scale_vulkan.c:29
g
const char * g
Definition: vf_curves.c:117
scale_vulkan_filter_frame
static int scale_vulkan_filter_frame(AVFilterLink *link, AVFrame *in)
Definition: vf_scale_vulkan.c:394
outputs
static const AVFilterPad outputs[]
Definition: af_acontrast.c:203
f
#define f(width, name)
Definition: cbs_vp9.c:255
NULL
#define NULL
Definition: coverity.c:32
scale_vulkan_uninit
static void scale_vulkan_uninit(AVFilterContext *avctx)
Definition: vf_scale_vulkan.c:477
src
#define src
Definition: vp8dsp.c:255
F_NB
@ F_NB
Definition: vf_scale_vulkan.c:32
FLAGS
#define FLAGS
Definition: vf_scale_vulkan.c:488
AVCOL_RANGE_UNSPECIFIED
@ AVCOL_RANGE_UNSPECIFIED
Definition: pixfmt.h:542
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:117
ff_vk_filter_init
int ff_vk_filter_init(AVFilterContext *avctx)
Definition: vulkan.c:756
scale_bilinear
static const char scale_bilinear[]
Definition: vf_scale_vulkan.c:55
write_444
static const char write_444[]
Definition: vf_scale_vulkan.c:98
scale_vulkan_inputs
static const AVFilterPad scale_vulkan_inputs[]
Definition: vf_scale_vulkan.c:508
AVCOL_RANGE_MPEG
@ AVCOL_RANGE_MPEG
Narrow or limited range content.
Definition: pixfmt.h:559
pos
unsigned int pos
Definition: spdifenc.c:412
AV_OPT_TYPE_INT
@ AV_OPT_TYPE_INT
Definition: opt.h:225
ScaleVulkanContext
Definition: vf_scale_vulkan.c:35
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201
query_formats
static int query_formats(AVFilterContext *ctx)
Definition: aeval.c:244
scale_vulkan_config_output
static int scale_vulkan_config_output(AVFilterLink *outlink)
Definition: vf_scale_vulkan.c:431
uninit
static av_cold int uninit(AVCodecContext *avctx)
Definition: crystalhd.c:279
AV_OPT_TYPE_STRING
@ AV_OPT_TYPE_STRING
Definition: opt.h:229
AV_OPT_TYPE_CONST
@ AV_OPT_TYPE_CONST
Definition: opt.h:234