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https://github.com/Harshit-Dhanwalkar/AsciiCam.git
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35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
#ifndef ASCII_H
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#define ASCII_H
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#include <stddef.h>
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#include <stdint.h>
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#define ASCII_CHARS_DEFAULT " .:-=+*#%@"
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typedef struct {
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int brightness; /* additive offset: -128..128 */
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int contrast; /* percent, 100 = no change */
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int invert; /* flip brightness->charset mapping */
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int color; /* ANSI truecolor output */
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int edges; /* Sobel edge detection */
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int dither; /* Floyd-Steinberg dithering */
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const char *charset; /* NULL = ASCII_CHARS_DEFAULT */
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} ascii_opts_t;
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// Convert YUYV raw data to grayscale
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// void yuyv_to_gray(const uint8_t *yuyv, uint8_t *gray, int width, int height);
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void yuyv_to_gray_simd(const uint8_t *yuyv, uint8_t *gray, int width, int height);
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void yuyv_to_rgb(const uint8_t *yuyv, uint8_t *rgb, int width, int height);
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// Output buffer sizing
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size_t ascii_out_size(int dst_w, int dst_h, int color);
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// grayscale to ASCII output grid
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int grayscale_to_ascii(const uint8_t *gray, const uint8_t *rgb, int src_w,
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int src_h, int dst_w, int dst_h, char *out,
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size_t out_size, const ascii_opts_t *opts);
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// Overlay FPS box
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void overlay_fps_box(int dst_w, double fps, int color_enabled);
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#endif
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