37 lines
734 B
C
37 lines
734 B
C
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#ifndef PHASH_H
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#define PHASH_H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define PHASH_SIZE 24
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#define PHASH_BITS 105
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int phash_from_bytes(const uint8_t* data, int len, char* out_hash, int out_cap);
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int phash_from_rgba(const uint8_t* rgba, int width, int height, char* out_hash, int out_cap);
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int phash_from_rgb24x24(const uint8_t* rgb, char* out_hash, int out_cap);
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int phash_hamming(const char* a, const char* b);
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typedef struct {
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const char* id;
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const char* hash;
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} phash_entry;
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typedef struct {
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const char* id;
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int distance;
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} phash_match;
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int phash_topn(const char* query_hash, const phash_entry* library, int count,
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phash_match* out, int n);
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#ifdef __cplusplus
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}
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#endif
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#endif
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