Camera RAW,
decoded in a flash.

npm install flashraw

import { FlashRaw } from 'flashraw';

const raw = await FlashRaw.open(file);          // File, Blob, ArrayBuffer, Uint8Array
console.log(raw.metadata.camera.name, raw.metadata.exposure.iso);

const preview = await raw.preview();            // embedded JPEG, no decoding
const img = await raw.decode({ output: 'rgba8' });
ctx.putImageData(img.toImageData(), 0, 0);
raw.close();

cargo add flashraw

use flashraw::{FlashRaw, DecodeOptions, OutputFormat};

let raw = FlashRaw::open_path("photo.NEF")?;     // memory-mapped, headers only
let m = raw.metadata();
println!("{} {}x{} ISO {:?}", m.camera(), m.width, m.height, m.exposure.iso);

let rgba = raw.decode(DecodeOptions { output: OutputFormat::Rgba8, ..Default::default() })?;

pip install flashraw

import flashraw

with flashraw.open("photo.NEF") as raw:
    print(raw.metadata.camera.name, raw.metadata.exposure.iso)
    sensor = raw.decode().array                 # numpy uint16 (h, w), zero-copy
    rgba = raw.decode(output="rgba8").array     # numpy uint8 (h, w, 4)

cargo build --release -p flashraw-capi   # or CMake: find_package(flashraw)

#include <flashraw.h>

flashraw_file *f = NULL;
if (flashraw_open_path("photo.NEF", NULL, &f) != FLASHRAW_OK) return 1;
flashraw_decode_options o;
flashraw_decode_options_init(&o);
o.output = FLASHRAW_OUTPUT_RGBA8;
flashraw_frame *fr = NULL;
if (flashraw_decode(f, &o, &fr) == FLASHRAW_OK) {
    const uint8_t *rgba = flashraw_frame_data(fr);  /* width x height x 4 */
    flashraw_frame_free(fr);
}
flashraw_file_free(f);