mirror of
https://github.com/levogevo/ffmpeg-av1-builder.git
synced 2026-01-15 16:56:18 +00:00
104 lines
4.1 KiB
Bash
Executable File
104 lines
4.1 KiB
Bash
Executable File
#!/bin/bash
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BASE_DIR=$(pwd)
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BENCHMARK_DIR="$BASE_DIR/benchmark"
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DL_DIR="$BENCHMARK_DIR/downloads"
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INPUT_DIR="$BENCHMARK_DIR/input"
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OUTPUT_DIR="$BENCHMARK_DIR/output"
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# input names and respective URLs
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INPUT[0]='waves_crashing.mp4'
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URL_DL[0]='https://www.pexels.com/download/video/1390942/?fps=23.98&h=2160&w=4096'
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INPUT[1]='burning_wood.mp4'
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URL_DL[1]='https://www.pexels.com/download/video/2908575/?fps=23.976&h=2160&w=4096'
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INPUT[2]='gpac_chimera.mp4'
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URL_DL[2]='http://download.opencontent.netflix.com.s3.amazonaws.com/gpac/GPAC_Chimera_AVCMain_AACLC_10s.mp4'
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INPUT[3]='B_1.mp4'
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URL_DL[3]='http://download.opencontent.netflix.com.s3.amazonaws.com/AV1/DVB-DASH/B_1.mp4'
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INPUT[4]='D_2.mp4'
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URL_DL[4]='http://download.opencontent.netflix.com.s3.amazonaws.com/AV1/DVB-DASH/D_2.mp4'
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# download videos
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mkdir -p "$DL_DIR"
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for index in "${!INPUT[@]}"
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do
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test -f "$DL_DIR/${INPUT[$index]}" || wget -O "$DL_DIR/${INPUT[$index]}" "${URL_DL[$index]}"
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done
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# Process only the middle CHUNK_TIME seconds of each video
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rm -rf "$INPUT_DIR"
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mkdir -p "$INPUT_DIR"
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CHUNK_TIME=2
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for input in "${INPUT[@]}"
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do
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TOTAL_DURATION=$(ffprobe -i "$DL_DIR/$input" -show_format 2> /dev/null | grep duration | cut -d '=' -f2)
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echo "$TOTAL_DURATION"
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IN_POINT=$(echo "print(($TOTAL_DURATION - $CHUNK_TIME) / 2)" | python3)
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echo -e "\tin: $IN_POINT"
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ffmpeg -i "$DL_DIR/$input" -vcodec copy -reset_timestamps 1 \
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-map 0 -an -sn -ss "$IN_POINT" -t $CHUNK_TIME "$INPUT_DIR/$input"
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done
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# Different variables to test
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CRF=(20 25 30)
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ENCODER=('libsvtav1' 'librav1e' 'libaom-av1')
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PRESET=(4 8 12)
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# uncomment for quick testing
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CRF=(30)
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ENCODER=('libsvtav1')
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PRESET=(13)
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# Log for results
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LOG="$BENCHMARK_DIR/results.txt"
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rm -rf "$OUTPUT_DIR" && mkdir -p "$OUTPUT_DIR"
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ffmpeg -version | grep "version" > "$LOG"
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uname -srmpio >> "$LOG"
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CPU_PROD=$(sudo lshw | grep "product" | head -1 | cut -d ':' -f2)
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echo "CPU product:$CPU_PROD with $(nproc) threads" >> $LOG
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# Find versions of files
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cd /usr/local/lib || exit
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SVTAV1_VER=$(basename "$(find . -mindepth 1 ! -type l | grep "libSvtAv1Enc.so")")
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RAV1E_VER=$(basename "$(find . -mindepth 1 ! -type l | grep "librav1e.so")")
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AOM_VER=$(basename "$(find . -mindepth 1 ! -type l | grep "libaom.so")")
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VMAF_VER=$(basename "$(find . -mindepth 1 ! -type l | grep "libvmaf.so")")
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DAV1D_VER=$(basename "$(find . -mindepth 1 ! -type l | grep "libdav1d.so")")
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cd "$BASE_DIR" || exit
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echo -e "$SVTAV1_VER $RAV1E_VER $AOM_VER $VMAF_VER $DAV1D_VER" >> "$LOG"
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for input in "${INPUT[@]}"
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do
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for encoder in "${ENCODER[@]}"
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do
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for preset in "${PRESET[@]}"
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do
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for crf in "${CRF[@]}"
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do
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# output file name
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OUTPUT="$OUTPUT_DIR/${encoder}_preset${preset}_crf${crf}_$input"
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echo "output: $(basename "$OUTPUT")" >> "$LOG"
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# encode
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TIME_BEFORE=$(date +%s)
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ffmpeg -i "$INPUT_DIR/$input" -c:a copy -c:v "$encoder" \
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-preset "$preset" -crf "$crf" "$OUTPUT" 2> /dev/null || exit 1
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TIME_AFTER=$(date +%s)
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TIME_DIFF=$((TIME_AFTER - TIME_BEFORE))
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echo -e "\ttime taken: $TIME_DIFF seconds" >> "$LOG"
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echo -e "\tsize: $(du -h "$OUTPUT" | cut -f1)" >> "$LOG"
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# vmaf
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VMAF_RESULTS="${OUTPUT}_vmaf.json"
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ffmpeg -an -sn -i "$OUTPUT" -i "$INPUT_DIR/$input" -lavfi \
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libvmaf='feature=name=psnr_hvs|name=cambi|name=float_ms_ssim':n_threads="$(nproc)":log_path="$VMAF_RESULTS":log_fmt='json' \
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-f 'null' - || exit 1
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echo -e "\tpsnr_hvs: $(cat "$VMAF_RESULTS" | jq '.pooled_metrics.psnr_hvs.harmonic_mean')" >> "$LOG" || exit 1
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echo -e "\tcambi: $(cat "$VMAF_RESULTS" | jq '.pooled_metrics.cambi.harmonic_mean')" >> "$LOG" || exit 1
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echo -e "\tfloat_ms_ssim: $(cat "$VMAF_RESULTS" | jq '.pooled_metrics.float_ms_ssim.harmonic_mean')" >> "$LOG" || exit 1
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echo -e "\tvmaf: $(cat "$VMAF_RESULTS" | jq '.pooled_metrics.vmaf.harmonic_mean')" >> "$LOG" || exit 1
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done
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done
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done
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done
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