resize_utils.h File Reference

#include "types.h"

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Classes
struct	resize_param

Macros
#define	RESIZE_ALGO_DFL   (-1)
#define	RESIZE_ALGO_HELP_SHOWN   (-3)
#define	RESIZE_ALGO_UNKN   (-2)
#define	RESIZE_SUPPORTED_PIXFMT_INIT   RGB, RGBA, I420, UYVY, YUYV, RG48

Functions
int	resize_algo_from_string (const char *str)
void	resize_frame (char *indata, codec_t in_color, char *outdata, int width, int height, struct resize_param *resize_spec)

Macro Definition Documentation

RESIZE_ALGO_DFL

#define RESIZE_ALGO_DFL   (-1)

Definition at line 58 of file resize_utils.h.

Referenced by init(), and resize_frame().

RESIZE_ALGO_HELP_SHOWN

#define RESIZE_ALGO_HELP_SHOWN   (-3)

Definition at line 60 of file resize_utils.h.

Referenced by parse_fmt(), and resize_algo_from_string().

RESIZE_ALGO_UNKN

#define RESIZE_ALGO_UNKN   (-2)

Definition at line 59 of file resize_utils.h.

Referenced by resize_algo_from_string().

RESIZE_SUPPORTED_PIXFMT_INIT

#define RESIZE_SUPPORTED_PIXFMT_INIT   RGB, RGBA, I420, UYVY, YUYV, RG48

Definition at line 56 of file resize_utils.h.

Referenced by reconfigure_if_needed().

Function Documentation

resize_algo_from_string()

int resize_algo_from_string

(

const char *

str

)

Definition at line 224 of file resize_utils.cpp.

{
    if (strcmp(str, "help") == 0) {
        color_printf("Available resize algorithms:\n");
        for (auto const &i : interp_map) {
            color_printf("\t" TBOLD("%s") "%s\n", i.name,
                         i.val == DEFAULT_ALGO ? " (default)" : "");
        }
        return RESIZE_ALGO_HELP_SHOWN;
    }
    for (auto const &i : interp_map) {
        if (strcmp(i.name, str) == 0) {
            return i.val;
        }
    }
    return RESIZE_ALGO_UNKN;
}

References color_printf(), DEFAULT_ALGO, interp_map, RESIZE_ALGO_HELP_SHOWN, RESIZE_ALGO_UNKN, and TBOLD.

Referenced by parse_fmt().

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resize_frame()

void resize_frame	(	char *	indata,
		codec_t	in_color,
		char *	outdata,
		int	width,
		int	height,
		struct resize_param *	resize_spec )

Definition at line 184 of file resize_utils.cpp.

{
    if (resize_spec->algo == RESIZE_ALGO_DFL) {
        resize_spec->algo = DEFAULT_ALGO;
        MSG(NOTICE, "using resize algorithm: %s\n",
          resize_algo_to_string(DEFAULT_ALGO));
    }
 
    DEBUG_TIMER_START(resize);
    if (resize_spec->mode == resize_param::USE_FRACTION) {
        const double factor = resize_spec->factor;
        Mat rgb = ug_to_rgb_mat(in_color, (int) width, (int) height, indata);
        Mat out((int) (height * factor), (int) (width * factor),
                get_out_cv_data_type(in_color), outdata);
        resize(rgb, out, Size(0, 0), factor, factor, resize_spec->algo);
    } else if (resize_spec->mode == resize_param::USE_DIMENSIONS) {
        resize_frame_dimensions(indata, in_color, outdata, width, height,
                                resize_spec->target_width,
                                resize_spec->target_height, resize_spec->algo);
    } else {
        abort();
    }
    DEBUG_TIMER_STOP(resize);
}

References resize_param::algo, DEBUG_TIMER_START, DEBUG_TIMER_STOP, DEFAULT_ALGO, resize_param::factor, get_out_cv_data_type(), resize_param::mode, MSG, RESIZE_ALGO_DFL, resize_algo_to_string(), resize_frame_dimensions(), resize_param::target_height, resize_param::target_width, ug_to_rgb_mat(), resize_param::USE_DIMENSIONS, and resize_param::USE_FRACTION.

Referenced by filter().

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