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node-av / lib / avImageGetBufferSize

Function: avImageGetBufferSize() ​

avImageGetBufferSize(pixFmt, width, height, align): number

Defined in: src/lib/utilities.ts:424

Get image buffer size.

Calculates the required buffer size for an image without allocating.

Direct mapping to av_image_get_buffer_size().

Parameters ​

pixFmt ​

AVPixelFormat

Pixel format

width ​

number

Image width

height ​

number

Image height

align ​

number

Buffer alignment

Returns ​

number

Required buffer size in bytes

Example ​

typescript
import { AV_PIX_FMT_RGB24 } from 'node-av/constants';

const size = avImageGetBufferSize(AV_PIX_FMT_RGB24, 1920, 1080, 1);
console.log(`Need ${size} bytes for Full HD RGB24`);

See ​