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node-av / lib / avSamplesAlloc

Function: avSamplesAlloc() ​

avSamplesAlloc(nbChannels, nbSamples, sampleFmt, align): object

Defined in: src/lib/utilities.ts:727

Allocate audio samples buffer.

Allocates buffers for audio samples with the specified format.

Direct mapping to av_samples_alloc().

Parameters ​

nbChannels ​

number

Number of audio channels

nbSamples ​

number

Number of samples per channel

sampleFmt ​

AVSampleFormat

Sample format

align ​

number

Buffer alignment

Returns ​

object

Object with data buffers, line size, and total size

data ​

data: Buffer<ArrayBufferLike>[]

linesize ​

linesize: number

size ​

size: number

Throws ​

If allocation fails

Example ​

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

const { data, linesize, size } = avSamplesAlloc(
  2, 1024, AV_SAMPLE_FMT_FLTP, 0
);
console.log(`Allocated ${data.length} buffers, ${size} bytes total`);

See ​