mirror of
https://github.com/ggerganov/whisper.cpp.git
synced 2024-11-07 08:34:37 +01:00
71 lines
2.1 KiB
Bash
Executable File
71 lines
2.1 KiB
Bash
Executable File
# Benchmark word-level timestamps for different models
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#
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# This script takes two arguments
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# - an audio file
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# - [optional] path to a font file
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# I'm using "/usr/share/fonts/truetype/freefont/FreeMono.ttf" on Ubuntu
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if [ -z "$1" ]; then
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echo "Usage: $0 <audio file> [font file]"
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exit 1
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fi
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#TODO: Make this a command line parameter
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#models="base small large"
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#models="tiny.en tiny base.en base small.en small medium.en medium large-v1 large"
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models="tiny.en base.en small.en medium.en large"
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DURATION=$(ffprobe -i $1 -show_entries format=duration -v quiet -of csv="p=0")
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DURATION=$(printf "%.2f" $DURATION)
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echo "Input file duration: ${DURATION}s"
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for model in $models; do
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echo "Running $model"
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COMMAND="./main -m models/ggml-$model.bin -owts -f $1 -of $1.$model"
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if [ ! -z "$2" ]; then
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COMMAND="$COMMAND -fp $2"
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fi
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#TODO: Surface errors better
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# TIMEFMT is for zsh, TIMEFORMAT is for bash
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EXECTIME=$({ TIMEFMT="%E";TIMEFORMAT=%E; time $COMMAND >/dev/null 2>&1; } 2>&1)
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# Slightly different formats between zsh and bash
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if [ "${EXECTIME: -1}" == "s" ]; then
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EXECTIME=${EXECTIME::-1}
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fi
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RATIO=$(echo "$DURATION / $EXECTIME" | bc -l)
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RATIO=$(printf "%.2f" $RATIO)
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echo "Execution time: ${EXECTIME}s (${RATIO}x realtime)"
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# If the file already exists, delete it
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if [ -f $1.mp4 ]; then
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rm $1.mp4
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fi
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bash $1.$model.wts >/dev/null 2>&1
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mv $1.mp4 $1.$model.mp4
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ffmpeg -y -f lavfi -i color=c=black:s=1200x50:d=$DURATION -vf "drawtext=fontfile=$2:fontsize=36:x=10:y=(h-text_h)/2:text='ggml-$model - ${EXECTIME}s (${RATIO}x realtime)':fontcolor=lightgrey" $1.$model.info.mp4 >/dev/null 2>&1
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done
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COMMAND="ffmpeg -y"
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for model in $models; do
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COMMAND="$COMMAND -i $1.$model.info.mp4 -i $1.$model.mp4"
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done
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COMMAND="$COMMAND -filter_complex \""
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COUNT=0
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for model in $models; do
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COMMAND="$COMMAND[${COUNT}:v][$(($COUNT+1)):v]"
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COUNT=$((COUNT+2))
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done
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COMMAND="$COMMAND vstack=inputs=${COUNT}[v]\" -map \"[v]\" -map 1:a $1.all.mp4 >/dev/null 2>&1"
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echo $COMMAND
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# Run the command
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eval $COMMAND
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