node-av / lib / avSamplesGetBufferSize

Function: avSamplesGetBufferSize()

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

Defined in: src/lib/utilities.ts:776

Get audio samples buffer size.

Calculates the required buffer size for audio samples.

Direct mapping to av_samples_get_buffer_size().

Parameters

nbChannels

number

Number of channels

nbSamples

number

Number of samples per channel

sampleFmt

AVSampleFormat

Sample format

align

number

Buffer alignment

Returns

object

Object with size and line size

linesize

linesize: number

size

size: number

Throws

If parameters are invalid

Example

import { AV_SAMPLE_FMT_S16 } from 'node-av/constants';

const { size, linesize } = avSamplesGetBufferSize(
  2, 1024, AV_SAMPLE_FMT_S16, 0
);
console.log(`Need ${size} bytes, ${linesize} per channel`);

See

• av_samples_get_buffer_size - FFmpeg Doxygen
• avSamplesAlloc To allocate the buffer