vf_convolution.c File Reference

#include "config_components.h"
#include "libavutil/avstring.h"
#include "libavutil/imgutils.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem_internal.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"
#include "avfilter.h"
#include "convolution.h"
#include "internal.h"
#include "video.h"

Go to the source code of this file.

Data Structures
struct	ThreadData
	Used for passing data between threads. More...

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

Functions
	AVFILTER_DEFINE_CLASS (convolution)
static void	filter16_prewitt (uint8_t *dstp, int width, float scale, float delta, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter16_roberts (uint8_t *dstp, int width, float scale, float delta, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter16_scharr (uint8_t *dstp, int width, float scale, float delta, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter16_kirsch (uint8_t *dstp, int width, float scale, float delta, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter_prewitt (uint8_t *dst, int width, float scale, float delta, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter_roberts (uint8_t *dst, int width, float scale, float delta, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter_scharr (uint8_t *dst, int width, float scale, float delta, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter_kirsch (uint8_t *dst, int width, float scale, float delta, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter16_3x3 (uint8_t *dstp, int width, float rdiv, float bias, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter16_5x5 (uint8_t *dstp, int width, float rdiv, float bias, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter16_7x7 (uint8_t *dstp, int width, float rdiv, float bias, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter16_row (uint8_t *dstp, int width, float rdiv, float bias, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter16_column (uint8_t *dstp, int height, float rdiv, float bias, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter_7x7 (uint8_t *dst, int width, float rdiv, float bias, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter_5x5 (uint8_t *dst, int width, float rdiv, float bias, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter_3x3 (uint8_t *dst, int width, float rdiv, float bias, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter_row (uint8_t *dst, int width, float rdiv, float bias, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	filter_column (uint8_t *dst, int height, float rdiv, float bias, const int *const matrix, const uint8_t *c[], int peak, int radius, int dstride, int stride, int size)
static void	setup_5x5 (int radius, const uint8_t *c[], const uint8_t *src, int stride, int x, int w, int y, int h, int bpc)
static void	setup_7x7 (int radius, const uint8_t *c[], const uint8_t *src, int stride, int x, int w, int y, int h, int bpc)
static void	setup_row (int radius, const uint8_t *c[], const uint8_t *src, int stride, int x, int w, int y, int h, int bpc)
static void	setup_column (int radius, const uint8_t *c[], const uint8_t *src, int stride, int x, int w, int y, int h, int bpc)
static int	filter_slice (AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
static int	param_init (AVFilterContext *ctx)
static int	config_input (AVFilterLink *inlink)
static int	filter_frame (AVFilterLink *inlink, AVFrame *in)
static int	process_command (AVFilterContext *ctx, const char *cmd, const char *args, char *res, int res_len, int flags)
	AVFILTER_DEFINE_CLASS_EXT (common, "kirsch/prewitt/roberts/scharr/sobel", common_options)

Variables
static const AVOption	convolution_options []
static const int	same3x3 [9]
static const int	same5x5 [25]
static const int	same7x7 [49]
static enum AVPixelFormat	pix_fmts []
static const AVFilterPad	convolution_inputs []
static const AVOption	common_options []

Macro Definition Documentation

OFFSET

#define OFFSET

(

x

)

offsetof(ConvolutionContext, x)

Definition at line 35 of file vf_convolution.c.

FLAGS

#define FLAGS   AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_RUNTIME_PARAM

Definition at line 36 of file vf_convolution.c.

Function Documentation

AVFILTER_DEFINE_CLASS()

AVFILTER_DEFINE_CLASS

(

convolution

)

filter16_prewitt()

static void filter16_prewitt ( uint8_t *  dstp, int  width, float  scale, float  delta, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 107 of file vf_convolution.c.

Referenced by param_init().

filter16_roberts()

static void filter16_roberts ( uint8_t *  dstp, int  width, float  scale, float  delta, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 125 of file vf_convolution.c.

Referenced by param_init().

filter16_scharr()

static void filter16_scharr ( uint8_t *  dstp, int  width, float  scale, float  delta, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 141 of file vf_convolution.c.

Referenced by param_init().

filter16_kirsch()

static void filter16_kirsch ( uint8_t *  dstp, int  width, float  scale, float  delta, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 161 of file vf_convolution.c.

Referenced by param_init().

filter_prewitt()

static void filter_prewitt ( uint8_t *  dst, int  width, float  scale, float  delta, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 210 of file vf_convolution.c.

Referenced by param_init().

filter_roberts()

static void filter_roberts ( uint8_t *  dst, int  width, float  scale, float  delta, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 230 of file vf_convolution.c.

Referenced by param_init().

filter_scharr()

static void filter_scharr ( uint8_t *  dst, int  width, float  scale, float  delta, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 245 of file vf_convolution.c.

Referenced by param_init().

filter_kirsch()

static void filter_kirsch ( uint8_t *  dst, int  width, float  scale, float  delta, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 267 of file vf_convolution.c.

Referenced by param_init().

filter16_3x3()

static void filter16_3x3 ( uint8_t *  dstp, int  width, float  rdiv, float  bias, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 315 of file vf_convolution.c.

Referenced by param_init().

filter16_5x5()

static void filter16_5x5 ( uint8_t *  dstp, int  width, float  rdiv, float  bias, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 338 of file vf_convolution.c.

Referenced by param_init().

filter16_7x7()

static void filter16_7x7 ( uint8_t *  dstp, int  width, float  rdiv, float  bias, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 357 of file vf_convolution.c.

Referenced by param_init().

filter16_row()

static void filter16_row ( uint8_t *  dstp, int  width, float  rdiv, float  bias, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 376 of file vf_convolution.c.

Referenced by param_init().

filter16_column()

static void filter16_column ( uint8_t *  dstp, int  height, float  rdiv, float  bias, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 395 of file vf_convolution.c.

Referenced by param_init().

filter_7x7()

static void filter_7x7 ( uint8_t *  dst, int  width, float  rdiv, float  bias, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 420 of file vf_convolution.c.

Referenced by param_init().

filter_5x5()

static void filter_5x5 ( uint8_t *  dst, int  width, float  rdiv, float  bias, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 438 of file vf_convolution.c.

Referenced by param_init().

filter_3x3()

static void filter_3x3 ( uint8_t *  dst, int  width, float  rdiv, float  bias, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 456 of file vf_convolution.c.

Referenced by param_init().

filter_row()

static void filter_row ( uint8_t *  dst, int  width, float  rdiv, float  bias, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 475 of file vf_convolution.c.

Referenced by param_init().

filter_column()

static void filter_column ( uint8_t *  dst, int  height, float  rdiv, float  bias, const int *const  matrix, const uint8_t *  c[], int  peak, int  radius, int  dstride, int  stride, int  size  )

static

Definition at line 493 of file vf_convolution.c.

Referenced by param_init().

setup_5x5()

static void setup_5x5 ( int  radius, const uint8_t *  c[], const uint8_t *  src, int  stride, int  x, int  w, int  y, int  h, int  bpc  )

static

Definition at line 516 of file vf_convolution.c.

Referenced by param_init().

setup_7x7()

static void setup_7x7 ( int  radius, const uint8_t *  c[], const uint8_t *  src, int  stride, int  x, int  w, int  y, int  h, int  bpc  )

static

Definition at line 532 of file vf_convolution.c.

Referenced by param_init().

setup_row()

static void setup_row ( int  radius, const uint8_t *  c[], const uint8_t *  src, int  stride, int  x, int  w, int  y, int  h, int  bpc  )

static

Definition at line 548 of file vf_convolution.c.

Referenced by param_init().

setup_column()

static void setup_column ( int  radius, const uint8_t *  c[], const uint8_t *  src, int  stride, int  x, int  w, int  y, int  h, int  bpc  )

static

Definition at line 562 of file vf_convolution.c.

Referenced by param_init().

filter_slice()

static int filter_slice ( AVFilterContext *  ctx, void *  arg, int  jobnr, int  nb_jobs  )

static

Definition at line 576 of file vf_convolution.c.

Referenced by filter_frame().

param_init()

static int param_init ( AVFilterContext *  ctx )

static

Definition at line 649 of file vf_convolution.c.

Referenced by config_input(), and process_command().

config_input()

static int config_input ( AVFilterLink *  inlink )

static

Definition at line 824 of file vf_convolution.c.

filter_frame()

static int filter_frame ( AVFilterLink *  inlink, AVFrame *  in  )

static

Definition at line 830 of file vf_convolution.c.

process_command()

static int process_command ( AVFilterContext *  ctx, const char *  cmd, const char *  args, char *  res, int  res_len, int  flags  )

static

Definition at line 854 of file vf_convolution.c.

AVFILTER_DEFINE_CLASS_EXT()

AVFILTER_DEFINE_CLASS_EXT	(	common	,
		"kirsch/prewitt/roberts/scharr/sobel"	,
		common_options
	)

Variable Documentation

convolution_options

const AVOption convolution_options[]

static

Initial value:

= {
    { "0m", "set matrix for 1st plane", OFFSET(matrix_str[0]), AV_OPT_TYPE_STRING, {.str="0 0 0 0 1 0 0 0 0"}, 0, 0, FLAGS },
    { "1m", "set matrix for 2nd plane", OFFSET(matrix_str[1]), AV_OPT_TYPE_STRING, {.str="0 0 0 0 1 0 0 0 0"}, 0, 0, FLAGS },
    { "2m", "set matrix for 3rd plane", OFFSET(matrix_str[2]), AV_OPT_TYPE_STRING, {.str="0 0 0 0 1 0 0 0 0"}, 0, 0, FLAGS },
    { "3m", "set matrix for 4th plane", OFFSET(matrix_str[3]), AV_OPT_TYPE_STRING, {.str="0 0 0 0 1 0 0 0 0"}, 0, 0, FLAGS },
    { "0rdiv", "set rdiv for 1st plane", OFFSET(user_rdiv[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.0}, 0.0, INT_MAX, FLAGS},
    { "1rdiv", "set rdiv for 2nd plane", OFFSET(user_rdiv[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.0}, 0.0, INT_MAX, FLAGS},
    { "2rdiv", "set rdiv for 3rd plane", OFFSET(user_rdiv[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.0}, 0.0, INT_MAX, FLAGS},
    { "3rdiv", "set rdiv for 4th plane", OFFSET(user_rdiv[3]), AV_OPT_TYPE_FLOAT, {.dbl=0.0}, 0.0, INT_MAX, FLAGS},
    { "0bias", "set bias for 1st plane", OFFSET(bias[0]), AV_OPT_TYPE_FLOAT, {.dbl=0.0}, 0.0, INT_MAX, FLAGS},
    { "1bias", "set bias for 2nd plane", OFFSET(bias[1]), AV_OPT_TYPE_FLOAT, {.dbl=0.0}, 0.0, INT_MAX, FLAGS},
    { "2bias", "set bias for 3rd plane", OFFSET(bias[2]), AV_OPT_TYPE_FLOAT, {.dbl=0.0}, 0.0, INT_MAX, FLAGS},
    { "3bias", "set bias for 4th plane", OFFSET(bias[3]), AV_OPT_TYPE_FLOAT, {.dbl=0.0}, 0.0, INT_MAX, FLAGS},
    { "0mode", "set matrix mode for 1st plane", OFFSET(mode[0]), AV_OPT_TYPE_INT, {.i64=MATRIX_SQUARE}, 0, MATRIX_NBMODES-1, FLAGS, .unit = "mode" },
    { "1mode", "set matrix mode for 2nd plane", OFFSET(mode[1]), AV_OPT_TYPE_INT, {.i64=MATRIX_SQUARE}, 0, MATRIX_NBMODES-1, FLAGS, .unit = "mode" },
    { "2mode", "set matrix mode for 3rd plane", OFFSET(mode[2]), AV_OPT_TYPE_INT, {.i64=MATRIX_SQUARE}, 0, MATRIX_NBMODES-1, FLAGS, .unit = "mode" },
    { "3mode", "set matrix mode for 4th plane", OFFSET(mode[3]), AV_OPT_TYPE_INT, {.i64=MATRIX_SQUARE}, 0, MATRIX_NBMODES-1, FLAGS, .unit = "mode" },
    { "square", "square matrix",     0, AV_OPT_TYPE_CONST, {.i64=MATRIX_SQUARE}, 0, 0, FLAGS, .unit = "mode" },
    { "row",    "single row matrix", 0, AV_OPT_TYPE_CONST, {.i64=MATRIX_ROW}   , 0, 0, FLAGS, .unit = "mode" },
    { "column", "single column matrix", 0, AV_OPT_TYPE_CONST, {.i64=MATRIX_COLUMN}, 0, 0, FLAGS, .unit = "mode" },
    { NULL }
}

Definition at line 38 of file vf_convolution.c.

same3x3

const int same3x3[9]

static

Initial value:

= {0, 0, 0,
                               0, 1, 0,
                               0, 0, 0}

Definition at line 63 of file vf_convolution.c.

Referenced by param_init().

same5x5

const int same5x5[25]

static

Initial value:

= {0, 0, 0, 0, 0,
                                0, 0, 0, 0, 0,
                                0, 0, 1, 0, 0,
                                0, 0, 0, 0, 0,
                                0, 0, 0, 0, 0}

Definition at line 67 of file vf_convolution.c.

Referenced by param_init().

same7x7

const int same7x7[49]

static

Initial value:

= {0, 0, 0, 0, 0, 0, 0,
                                0, 0, 0, 0, 0, 0, 0,
                                0, 0, 0, 0, 0, 0, 0,
                                0, 0, 0, 1, 0, 0, 0,
                                0, 0, 0, 0, 0, 0, 0,
                                0, 0, 0, 0, 0, 0, 0,
                                0, 0, 0, 0, 0, 0, 0}

Definition at line 73 of file vf_convolution.c.

Referenced by param_init().

pix_fmts

enum AVPixelFormat pix_fmts[]

static

Initial value:

= {
    AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUV440P,
    AV_PIX_FMT_YUVJ444P, AV_PIX_FMT_YUVJ440P,
    AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUVJ422P, AV_PIX_FMT_YUVJ420P,
    AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
    AV_PIX_FMT_YUV420P9, AV_PIX_FMT_YUV422P9, AV_PIX_FMT_YUV444P9,
    AV_PIX_FMT_YUV420P10, AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV444P10,
    AV_PIX_FMT_YUV420P12, AV_PIX_FMT_YUV422P12, AV_PIX_FMT_YUV444P12, AV_PIX_FMT_YUV440P12,
    AV_PIX_FMT_YUV420P14, AV_PIX_FMT_YUV422P14, AV_PIX_FMT_YUV444P14,
    AV_PIX_FMT_YUV420P16, AV_PIX_FMT_YUV422P16, AV_PIX_FMT_YUV444P16,
    AV_PIX_FMT_YUVA420P9, AV_PIX_FMT_YUVA422P9, AV_PIX_FMT_YUVA444P9,
    AV_PIX_FMT_YUVA420P10, AV_PIX_FMT_YUVA422P10, AV_PIX_FMT_YUVA444P10,
    AV_PIX_FMT_YUVA422P12, AV_PIX_FMT_YUVA444P12,
    AV_PIX_FMT_YUVA420P16, AV_PIX_FMT_YUVA422P16, AV_PIX_FMT_YUVA444P16,
    AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRP9, AV_PIX_FMT_GBRP10,
    AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRP14, AV_PIX_FMT_GBRP16,
    AV_PIX_FMT_GBRAP, AV_PIX_FMT_GBRAP10, AV_PIX_FMT_GBRAP12, AV_PIX_FMT_GBRAP16,
    AV_PIX_FMT_GRAY8, AV_PIX_FMT_GRAY9, AV_PIX_FMT_GRAY10, AV_PIX_FMT_GRAY12, AV_PIX_FMT_GRAY14, AV_PIX_FMT_GRAY16,
    AV_PIX_FMT_NONE
}

Definition at line 81 of file vf_convolution.c.

convolution_inputs

const AVFilterPad convolution_inputs[]

static

Initial value:

= {
    {
        .name         = "default",
        .type         = AVMEDIA_TYPE_VIDEO,
        .config_props = config_input,
        .filter_frame = filter_frame,
    },
}

Definition at line 866 of file vf_convolution.c.

common_options

const AVOption common_options[]

static

Initial value:

= {
    { "planes", "set planes to filter", OFFSET(planes), AV_OPT_TYPE_INT,  {.i64=15}, 0, 15, FLAGS},
    { "scale",  "set scale",            OFFSET(scale), AV_OPT_TYPE_FLOAT, {.dbl=1.0}, 0.0,  65535, FLAGS},
    { "delta",  "set delta",            OFFSET(delta), AV_OPT_TYPE_FLOAT, {.dbl=0}, -65535, 65535, FLAGS},
    { NULL }
}

Definition at line 891 of file vf_convolution.c.