Created
December 8, 2022 18:34
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#!/usr/bin/env zx | |
cd(`/Users/tarasmazepa`); | |
await $`rm temp.mp4 temp.mkv audio.mp3`.nothrow(); | |
const script = | |
argv._[0] + | |
" Let me know in the comments what other life situation you want me to talk next. Subscribe, follow, and give a like to hear more stories like this."; | |
const ssml = `<speak>${script | |
.replace(/([.?!])\s*(?=[A-Z])/g, "$1|") | |
.split("|") | |
.filter((s) => s.length > 0) | |
.flatMap((text, i) => [ | |
`<mark name="${i}~${text}"/>`, | |
text, | |
`<mark name="${i}"/>`, | |
]) | |
.join("")}</speak>`; | |
const response = await $`curl -X POST \ | |
-H "Authorization: Bearer $(gcloud auth application-default print-access-token)" \ | |
-H "Content-Type: application/json; charset=utf-8" \ | |
-H "X-Goog-User-Project:lyflair-production" \ | |
-d ${JSON.stringify({ | |
input: { | |
ssml, | |
}, | |
voice: { | |
languageCode: "en-US", | |
name: "en-US-Wavenet-F", | |
}, | |
audioConfig: { | |
audioEncoding: "MP3", | |
pitch: 2.35, | |
speakingRate: 1.1, | |
}, | |
enableTimePointing: ["SSML_MARK"], | |
})} "https://texttospeech.googleapis.com/v1beta1/text:synthesize"`.then((r) => | |
JSON.parse(r.stdout) | |
); | |
if (!response?.timepoints?.length) exit(1); | |
console.log(response.timepoints); | |
let subtitles = ""; | |
const secondsToTimestamp = (seconds) => | |
new Date(seconds * 1000).toISOString().substr(11, 12).replace(".", ","); | |
for (let i = 0; i < response.timepoints.length - 1; i++) { | |
subtitles += `${i} | |
${secondsToTimestamp( | |
response.timepoints[i].timeSeconds | |
)} --> ${secondsToTimestamp(response.timepoints[i + 1].timeSeconds)} | |
${response.timepoints[i].markName.split("~")[1].trim()} | |
`; | |
} | |
await $`echo ${subtitles} > srt.srt`; | |
await $`echo ${response.audioContent}`.pipe($`base64 -d > audio.mp3`); | |
const videos = await $`find pexels -type f -name '*mp4'` | |
.pipe($`sort -R`) | |
.pipe($`head -n $((($(mp3info -p "%S\n" audio.mp3)-1)/3+1))`) | |
.then((r) => r.stdout.split("\n").filter((s) => s.length > 0)); | |
const numbers = videos.map((_, i) => i + 1); | |
await $`ffmpeg -i audio.mp3 ${videos.flatMap((s) => [ | |
"-i", | |
s, | |
])} -filter_complex ${`${numbers | |
.map((i) => `[${i}:v:0]scale=1080:1920,trim=duration=3[v${i}]`) | |
.join(";")}, ${numbers.map((i) => `[v${i}]`).join(" ")} concat=n=${ | |
videos.length | |
}:v=1 [v]`} -map "[v]" -map 0:a temp.mkv -y`; | |
const folder = "imgonnahelp-promo-videos"; | |
await $`mkdir ${folder}`.nothrow(); | |
const outputFileName = `${folder}/${new Date() | |
.toISOString() | |
.replace(/\W/g, "_")}.mp4`; | |
await $`ffmpeg -i temp.mkv -lavfi "subtitles=srt.srt:force_style='Alignment=10'" ${outputFileName} -y`; | |
await $`open ${outputFileName} -a mkplayer`; |
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