levogevo/ffmpeg-av1-builder
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wip gnuplot

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Levon
2024-02-16 08:12:01 -06:00
parent 926721755b
commit 0d5620679f
3 changed files with 56 additions and 5 deletions
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3
.gitignore vendored
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@@ -5,4 +5,5 @@ aom
vmaf
dav1d
opus
benchmark
benchmark
graphs

38
scripts/analyze.sh Executable file
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@@ -0,0 +1,38 @@
#!/bin/bash
BASE_DIR=$(pwd)
RESULTS="$BASE_DIR/benchmark/results.csv"
gnuplot << EOF
set terminal pngcairo size 1920,1080
set output 'graphs/output_graph.png'
set title 'Video Metrics Comparison'
set xlabel 'CRF'
set ylabel 'SIZE'
set datafile separator ","
set style line 1 \
linecolor rgb '#0060ad' \
linetype 1 linewidth 2 \
pointtype 7 pointsize 1.5
plot "$RESULTS" using "CRF":"SIZE" with points title 'PSNR HVS'
EOF
gnuplot << EOF
set terminal pngcairo enhanced font 'arial,10' size 800,600
set output 'graphs/line_graph.png'
set title 'Video Metrics Comparison'
set xlabel 'CRF'
set ylabel 'SIZE'
set datafile separator ","
set key autotitle columnhead
set grid
set style line 1 \
linecolor rgb '#0060ad' \
linetype 1 linewidth 2 \
pointtype 7 pointsize 1.5
plot "$RESULTS" using 3:6 with linepoints linestyle 1
EOF

20
scripts/benchmark.sh
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@@ -8,7 +8,7 @@ OUTPUT_DIR="$BENCHMARK_DIR/output"
# input names and respective URLs
INPUT[0]='waves_crashing.mp4'
URL_DL[0]='https://www.pexels.com/download/video/1390942/?fps=23.98&h=2160&w=4096'
URL_DL[0]='https://www.pexels.com/download/video/5036917/?fps=29.97&h=2160&w=3840'
INPUT[1]='burning_wood.mp4'
URL_DL[1]='https://www.pexels.com/download/video/2908575/?fps=23.976&h=2160&w=4096'
INPUT[2]='gpac_chimera.mp4'
@@ -45,14 +45,16 @@ ENCODER=('libsvtav1' 'librav1e' 'libaom-av1')
PRESET=(4 8 12)
# uncomment for quick testing
# CRF=(30)
# ENCODER=('libsvtav1')
# PRESET=(13)
CRF=(30)
ENCODER=('libsvtav1')
PRESET=(13)
# Log for results
LOG="$BENCHMARK_DIR/results.txt"
CSV="$BENCHMARK_DIR/results.csv"
rm -rf "$OUTPUT_DIR" && mkdir -p "$OUTPUT_DIR"
ffmpeg -version | grep "version" > "$LOG"
echo "ENCODER,PRESET,CRF,INPUT,TIME_TAKEN,SIZE,PSNR_HVS,CAMBI,FLOAT_MS_SSIM,VMAF" > "$CSV"
uname -srmpio >> "$LOG"
CPU_PROD=$(sudo lshw | grep "product" | head -1 | cut -d ':' -f2)
echo "CPU product:$CPU_PROD with $(nproc) threads" >> $LOG
@@ -87,6 +89,7 @@ do
TIME_DIFF=$((TIME_AFTER - TIME_BEFORE))
echo -e "\ttime taken: $TIME_DIFF seconds" >> "$LOG"
echo -e "\tsize: $(du -h "$OUTPUT" | cut -f1)" >> "$LOG"
CSV_LINE="${encoder},${preset},${crf},${input},${TIME_DIFF},$(du "$OUTPUT" | cut -f1)"
# vmaf
VMAF_RESULTS="${OUTPUT}_vmaf.json"
@@ -94,9 +97,18 @@ do
libvmaf='feature=name=psnr_hvs|name=cambi|name=float_ms_ssim':n_threads="$(nproc)":log_path="$VMAF_RESULTS":log_fmt='json' \
-f 'null' - || exit 1
echo -e "\tpsnr_hvs: $(cat "$VMAF_RESULTS" | jq '.pooled_metrics.psnr_hvs.harmonic_mean')" >> "$LOG" || exit 1
CSV_LINE="${CSV_LINE},$(cat "$VMAF_RESULTS" | jq '.pooled_metrics.psnr_hvs.harmonic_mean')"
echo -e "\tcambi: $(cat "$VMAF_RESULTS" | jq '.pooled_metrics.cambi.harmonic_mean')" >> "$LOG" || exit 1
CSV_LINE="${CSV_LINE},$(cat "$VMAF_RESULTS" | jq '.pooled_metrics.cambi.harmonic_mean')"
echo -e "\tfloat_ms_ssim: $(cat "$VMAF_RESULTS" | jq '.pooled_metrics.float_ms_ssim.harmonic_mean')" >> "$LOG" || exit 1
CSV_LINE="${CSV_LINE},$(cat "$VMAF_RESULTS" | jq '.pooled_metrics.float_ms_ssim.harmonic_mean')"
echo -e "\tvmaf: $(cat "$VMAF_RESULTS" | jq '.pooled_metrics.vmaf.harmonic_mean')" >> "$LOG" || exit 1
CSV_LINE="${CSV_LINE},$(cat "$VMAF_RESULTS" | jq '.pooled_metrics.vmaf.harmonic_mean')"
echo "$CSV_LINE" >> "$CSV"
done
done
done