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#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
/**
* Result of parsing an AVIF file. Contains AV1-compressed data.
*/
typedef struct avif_data_t {
/**
* AV1 data for color channels
*/
const unsigned char *primary_data;
size_t primary_size;
/**
* AV1 data for alpha channel (may be NULL if the image is fully opaque)
*/
const unsigned char *alpha_data;
size_t alpha_size;
/**
* 0 = normal, uncorrelated alpha channel
* 1 = premultiplied alpha. You must divide RGB values by alpha.
*
* ```c
* if (a != 0) {r = r * 255 / a}
* ```
*/
char premultiplied_alpha;
void *reserved;
} avif_data_t;
/**
* Parse AVIF image file and return results. Returns `NULL` if the file can't be parsed.
*
* Call `avif_data_free` on the result when done.
*/
const avif_data_t *avif_parse(const unsigned char *bytes, size_t bytes_len);
/**
* Free all data related to `avif_data_t`
*/
void avif_data_free(const avif_data_t *data);
#ifdef __cplusplus
} // extern "C"
#endif // __cplusplus
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