import { TGetFirstSampleFunction } from '../types';

export const getFirstSample: TGetFirstSampleFunction = (audioBuffer, buffer, channelNumber) => {
    // Bug #5: Safari does not support copyFromChannel() and copyToChannel().
    if (audioBuffer.copyFromChannel === undefined) {
        return audioBuffer.getChannelData(channelNumber)[0];
    }

    audioBuffer.copyFromChannel(buffer, channelNumber);

    return buffer[0];
};