mirror of
https://github.com/ggerganov/whisper.cpp.git
synced 2024-12-24 14:46:39 +00:00
110 lines
2.7 KiB
Bash
Executable File
110 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# Transcribe twitch.tv livestream by feeding audio input to whisper.cpp at regular intervals
|
|
# Thanks to @keyehzy
|
|
# ref: https://github.com/ggerganov/whisper.cpp/issues/209
|
|
#
|
|
# The script currently depends on the third-party tool "streamlink"
|
|
# On Mac OS, you can install it via "brew install streamlink"
|
|
#
|
|
|
|
set -eo pipefail
|
|
|
|
step=10
|
|
model=base.en
|
|
threads=4
|
|
|
|
help()
|
|
{
|
|
echo "Example program for captioning a livestream from twitch.tv."
|
|
echo
|
|
echo "Usage: ./twitch.sh -s [step] -m [model] -t [threads] [url]"
|
|
echo "options:"
|
|
echo "-s Step in seconds (default is $step)."
|
|
echo "-m Choose model, options are: 'tiny.en' 'tiny' 'base.en' 'base' 'small.en' 'small' 'medium.en' 'medium' 'large-v1' 'large-v2' 'large-v3' (default is '$model')."
|
|
echo "-t Number of threads to use."
|
|
echo "-h Print this help page."
|
|
echo
|
|
}
|
|
|
|
check_requirements()
|
|
{
|
|
if ! command -v ./main &>/dev/null; then
|
|
echo "whisper.cpp main executable is required (make)"
|
|
exit 1
|
|
fi
|
|
|
|
if ! command -v streamlink &>/dev/null; then
|
|
echo "streamlink is required (https://streamlink.github.io)"
|
|
exit 1
|
|
fi
|
|
|
|
if ! command -v ffmpeg &>/dev/null; then
|
|
echo "ffmpeg is required (https://ffmpeg.org)"
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
check_requirements
|
|
|
|
while getopts ":s:m:t:h" option; do
|
|
case $option in
|
|
s)
|
|
step=$OPTARG;;
|
|
m)
|
|
model=$OPTARG;;
|
|
t)
|
|
threads=$OPTARG;;
|
|
h)
|
|
help
|
|
exit;;
|
|
\?)
|
|
help
|
|
exit;;
|
|
esac
|
|
done
|
|
|
|
url=${@:$OPTIND:1}
|
|
|
|
if [ -z $url ]; then
|
|
help
|
|
exit
|
|
fi
|
|
|
|
echo "Piping from streamlink url=$url model=$model step=$step threads=$threads"
|
|
streamlink $url best -O 2>/dev/null | ffmpeg -loglevel quiet -i - -y -probesize 32 -y -ar 16000 -ac 1 -acodec pcm_s16le /tmp/whisper-live0.wav &
|
|
|
|
if [ $? -ne 0 ]; then
|
|
printf "error: ffmpeg failed\n"
|
|
exit 1
|
|
fi
|
|
|
|
echo "Buffering stream... (this should take $step seconds)"
|
|
sleep $(($step))
|
|
|
|
set +e
|
|
|
|
echo "Starting..."
|
|
|
|
i=0
|
|
SECONDS=0
|
|
while true
|
|
do
|
|
err=1
|
|
while [ $err -ne 0 ]; do
|
|
if [ $i -gt 0 ]; then
|
|
ffmpeg -loglevel quiet -v error -noaccurate_seek -i /tmp/whisper-live0.wav -y -ss $(($i*$step-1)).5 -t $step -c copy /tmp/whisper-live.wav 2> /tmp/whisper-live.err
|
|
else
|
|
ffmpeg -loglevel quiet -v error -noaccurate_seek -i /tmp/whisper-live0.wav -y -ss $(($i*$step)) -t $step -c copy /tmp/whisper-live.wav 2> /tmp/whisper-live.err
|
|
fi
|
|
err=$(cat /tmp/whisper-live.err | wc -l)
|
|
done
|
|
|
|
./main -t $threads -m ./models/ggml-$model.bin -f /tmp/whisper-live.wav --no-timestamps -otxt 2> /tmp/whispererr | tail -n 1
|
|
|
|
while [ $SECONDS -lt $((($i+1)*$step)) ]; do
|
|
sleep 1
|
|
done
|
|
((i=i+1))
|
|
done
|