whisper.cpp/examples/generate-karaoke.sh
2022-11-26 10:22:42 +02:00

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#!/bin/bash
# Simple tool to record audio from the microphone and generate a karaoke video
# Usage:
#
# cd whisper.cpp
# make
#
# ./examples/generate-karaoke.sh [model] [step_ms]
#
# Press Ctrl+C to stop recording
#
executable="./main"
model="base.en"
model_path="models/ggml-$model.bin"
# require sox and ffmpeg to be installed
if ! command -v sox &> /dev/null
then
echo "sox could not be found"
exit 1
fi
if ! command -v ffmpeg &> /dev/null
then
echo "ffmpeg could not be found"
exit 2
fi
if [ ! -f "$executable" ]; then
echo "'$executable' does not exist. Please build it first."
exit 3
fi
if [ ! -f "$model_path" ]; then
echo "'$model_path' does not exist. Please download it first."
exit 4
fi
# record some raw audio
sox -d rec.wav
# resample to 16kHz
ffmpeg -y -i ./rec.wav -ar 16000 -ac 1 -c:a pcm_s16le ./rec16.wav > /dev/null 2>&1
# run Whisper
echo "Processing ..."
./main -m models/ggml-base.en.bin rec16.wav -owts > /dev/null 2>&1
# generate Karaoke video
echo "Generating video ..."
source rec16.wav.wts > /dev/null 2>&1
# play the video
echo "Playing ./rec16.wav.mp4 ..."
ffplay -loglevel 0 -autoexit ./rec16.wav.mp4
echo "Done"
exit 0