#pragma once
#include <stddef.h>
#include <stdint.h>
#include "esp_err.h"

esp_err_t jpegdec_init(void);
// Header-only parse. Fails on progressive JPEGs (not decodable here).
esp_err_t jpegdec_dims(const uint8_t *jpeg, size_t len, int *w, int *h);
// Decodes and resamples to a full-bleed ("cover") 320x170 RGB565 frame in dst.
esp_err_t jpegdec_to_screen(const uint8_t *jpeg, size_t len, uint16_t *dst, int *src_w, int *src_h);