Media messages

// WAMediaUpload is one of:
Buffer
{ url: URL | string }
{ stream: Readable }

await sock.sendMessage(
    jid,
    {
        image: {
            url: './Media/ma_img.png'
        },
        caption: 'hello word'
    }
)

await sock.sendMessage(
    jid,
    {
        video: {
            url: './Media/ma_gif.mp4'
        },
        caption: 'hello word',
        ptv: false // if set to true, will send as a `video note`
    }
)

await sock.sendMessage(
    jid,
    {
        video: fs.readFileSync('Media/ma_gif.mp4'),
        caption: 'hello word',
        gifPlayback: true
    }
)

ffmpeg -i input.mp4 -c:a libopus -ac 1 -avoid_negative_ts make_zero output.ogg

await sock.sendMessage(
    jid,
    {
        audio: {
            url: './Media/output.ogg'
        },
        mimetype: 'audio/ogg; codecs=opus'
    }
)

await sock.sendMessage(
    jid,
    {
        image: {
            url: './Media/ma_img.png'
        },
        viewOnce: true, //works with video, audio too
        caption: 'hello word'
    }
)

import { createWriteStream } from 'fs'
import { downloadMediaMessage, getContentType } from '@whiskeysockets/baileys'

sock.ev.on('messages.upsert', async ({ messages }) => {
    for (const m of messages) {
        if (!m.message) continue
        const messageType = getContentType(m.message) // 'imageMessage', 'videoMessage', etc.

        if (messageType === 'imageMessage') {
            const stream = await downloadMediaMessage(
                m,
                'stream', // can be 'buffer' too
                { },
                {
                    logger,
                    // pass this so that Baileys can request a re-upload of expired media
                    reuploadRequest: sock.updateMediaMessage
                }
            )
            const writeStream = createWriteStream('./my-download.jpeg')
            stream.pipe(writeStream)
        }
    }
})

await sock.updateMediaMessage(msg)