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1. 1

   import WebSocket from "ws";

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   export async function textToSpeech(

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   ffmpeg -i iphone_video.mp4 -i audio.mp3 \

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     -t 30 \ # Trim to 30 sec, it's max for app preview videos

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     -r 30 \ # Frame rate set to 30

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     -vf scale=886:1920,setsar=1:1 \ # resolution should be 886:1920 if it's portrait

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   export const jsonReplacer = (_: string, value: unknown) => {

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     if (value instanceof Map)

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       return { __type: 'Map', value: Array.from(value.entries()) }

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     if (value instanceof Set)