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README.md
README.md
 
 
example.html
example.html
 
 
package-lock.json
package-lock.json
 
 
package.json
package.json
 
 
webp_enc.c
webp_enc.c
 
 
webp_enc.js
webp_enc.js
 
 
webp_enc.wasm
webp_enc.wasm
 
 

README.md

WebP encoder

Dependencies

  • Docker

Example

See example.html

API

int version()

Returns the version of libwebp as a number. va.b.c is encoded as 0x0a0b0c

uint8_t* create_buffer(int width, int height)

Allocates an RGBA buffer for an image with the given dimension.

void destroy_buffer(uint8_t* p)

Frees a buffer created with create_buffer.

void encode(uint8_t* image_buffer, int image_width, int image_height, float quality)

Encodes the given image with given dimension to WebP. quality is a number between 0 and 100. The higher the number, the better the quality of the encoded image. The result is implicitly stored and can be accessed using the get_result_*() functions.

void free_result()

Frees the result created by encode().

int get_result_pointer()

Returns the pointer to the start of the buffer holding the encoded data.

int get_result_size()

Returns the length of the buffer holding the encoded data.