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• Error : ffmpeg was killed with signal SIGSEGV - error when deploying to server

  9 novembre 2023, par Zippytyro

  I've built a telegram bot using telegraf, I'm using fluent-ffmpeg and @ffmpeg-installer/ffmpeg packages for converting OGG audio to WAV.

  


  Works fine locally, but when I deploy to railway.app platform, it throws an error at runtime.
node:events:491 throw er; // unhandled 'error' event ^ Error: ffmpeg was killed with signal SIGSEGV 


  


  Someone told to add ffmpeg binary via nixpkgs or aptPkgs like so :
[phases.setup] aptPkgs = ["...", "ffmpeg"]

  


  Since the platform uses nixpacks buildpack.
However, the same error persists.

  


• What's the easiest way to convert ogg to webm on Node without ffmpeg ?

  12 mars 2023, par Evert

  I'm working on a Telegram bot that can receive voice messages and then let OpenAI's Whisper transcribe them and then respond using OpenAI's chat completions API.

  


  Anyway, Whisper does accept a webm file as an input, but not an ogg file. Even though ironically, from what I've read, a webm container can contain a pure ogg file as its soundtrack.

  


  I can't use ffmpeg, because I'm deploying this as a serverless function (on Vercel for now) and I have no guarantee that ffmpeg will be installed there. But I was thinking, since webm is simply a container file which can contain the raw ogg opus codec as the soundtrack, wouldn't it be possible to just take the binary audio data that I can get from Telegram, using const audioData = await response.arrayBuffer(), and just add some bytes to the beginning and end of it that represent the webm container ?

  


  If yes, then can someone please tell me which bytes I'd need to add exactly ?

  


• How to make a bot available to multiple users on blocking operations ? python, aiogram, pytube, ffmpeg

  27 février 2023, par Tony Reznik

  I'm trying to deal with multithreading and asynchrony, but I can't figure out how to deal with this situation.

  


  There is a telegram bot that downloads videos from YouTube and cuts only the first minute of the video into a separate file. Pytube and ffmpeg are used. The second bot user does not receive any response from the bot while the tasks of the first one are running. How to deal with such difficulties ?

  


  import subprocess

from aiogram import Bot, Dispatcher, types
from aiogram.utils import executor
from pytube import YouTube
import time

API_TOKEN = 'tkn'

bot = Bot(token=API_TOKEN)
dp = Dispatcher(bot)

video_folder = 'video/'


@dp.message_handler()
async def start_convert(message: types.Message):
    url = message.text
    yt = YouTube(url)

    await message.reply('accepted')

    video_name = time.strftime("%d-%m-%Y-%H-%M-%S") + '.mp4'

    video = yt.streams.get_highest_resolution()
    video.download(video_folder, filename=video_name)

    await message.reply('downloaded')

    subprocess.call(['ffmpeg', '-hide_banner', '-loglevel', 'error', '-i', f'{video_folder}{video_name}',
                     '-ss', '0', '-c:v', 'libx264', '-c:a', 'aac', '-b:v', '5M', '-to', '60',
                     f'{video_folder}1_min_{video_name}'])

    await message.reply('trimmed')

if __name__ == '__main__':
    executor.start_polling(dp, skip_updates=True)



  


  This is a code template.
In the current form, I want to understand how to implement the task correctly.