ffmpegbot

Telegram Bot for re-encoding media

Features

• change a video resolution, bitrate, frame rate, speed
• change an audio bitrate, volume, pitch
• apply audio effects
• extract or remove audio from the video
• resend video note as a regular video, or video as an audio track

Requirements

• Telegram bot username and token, @BotFather
• JRE 17+ or JDK 17+ (for build)
• ffmpeg must be installed and available in PATH.
• python3 version 3.8+ must be installed and available in PATH.
• yt-dlp for /dl command.

Installation

Manual

# Build
./gradlew shadowJar
# Config
cp ffmpegbot.yaml.template ffmpegbot.yaml
vim ffmpegbot.yaml
mkdir {input,output}
# Run
java -jar ./build/libs/ffmpegbot-1.1-SNAPSHOT-all.jar

Using Docker

Note: FFmpeg binary might be installed with limited number of filters and codecs. Some bot features might not work (Audio pitch, robot effect, etc).

# Edit user ids in `superUsers` and `allowedUsers` fields
vim ffmpegbot-docker.yaml
docker build --tag 'ffmpegbot' .
docker run -d -t -i \
  -e BOT_TOKEN='...' \
  -e BOT_USERNAME='...' \
  -e APP_ID='...' \
  -e APP_HASH='...'\
  --name ffmpegbot ffmpegbot:latest

Environment variables

• BOT_TOKEN — Telegram bot token
• BOT_USERNAME — Telegram bot username
• APP_ID — Telegram API app_id (see https://core.telegram.org/api/obtaining_api_id)
• APP_HASH — Telegram API app_hash