vmaf working

This commit is contained in:
2024-01-13 16:05:39 -06:00
parent 0523a28e49
commit 877f04dbe0
3 changed files with 60 additions and 21 deletions

View File

@@ -2,30 +2,58 @@
BASE_DIR=$(pwd) BASE_DIR=$(pwd)
BENCHMARK_DIR="$BASE_DIR/benchmark" BENCHMARK_DIR="$BASE_DIR/benchmark"
DL_DIR="$BENCHMARK_DIR/downloads"
INPUT_DIR="$BENCHMARK_DIR/input" INPUT_DIR="$BENCHMARK_DIR/input"
OUTPUT_DIR="$BENCHMARK_DIR/output" OUTPUT_DIR="$BENCHMARK_DIR/output"
# input names and respective URLs
INPUT[0]='waves_crashing.mp4'
URL_DL[0]='https://www.pexels.com/download/video/1390942/?fps=23.98&h=2160&w=4096'
INPUT[1]='burning_wood.mp4'
URL_DL[1]='https://www.pexels.com/download/video/2908575/?fps=23.976&h=2160&w=4096'
INPUT[2]='mountain_scenery.mp4'
URL_DL[2]='https://www.pexels.com/download/video/5598970/?fps=23.976&h=2160&w=3840'
INPUT[3]='B_1.mp4'
URL_DL[3]='http://download.opencontent.netflix.com.s3.amazonaws.com/AV1/DVB-DASH/B_1.mp4'
INPUT[4]='F_2.mp4'
URL_DL[4]='http://download.opencontent.netflix.com.s3.amazonaws.com/AV1/DVB-DASH/F_2.mp4'
# download videos
mkdir -p "$DL_DIR"
for index in "${!INPUT[@]}"
do
test -f "$DL_DIR/${INPUT[$index]}" || wget -O "$DL_DIR/${INPUT[$index]}" "${URL_DL[$index]}"
done
# Process only the middle 3 seconds of each video
rm -rf "$INPUT_DIR"
mkdir -p "$INPUT_DIR" mkdir -p "$INPUT_DIR"
CHUNK_TIME=3
# input names for input in "${INPUT[@]}"
INPUT=('waves_crashing.mp4' 'burning_wood.mp4' 'mountain_scenery.mp4') do
TOTAL_DURATION=$(ffprobe -i "$DL_DIR/$input" -show_format 2> /dev/null | grep duration | cut -d '=' -f2)
# standard 4k 24fps stock video echo "$TOTAL_DURATION"
test -f "$INPUT_DIR/${INPUT[0]}" || wget -O "$INPUT_DIR/${INPUT[0]}" 'https://www.pexels.com/download/video/1390942/?fps=23.98&h=2160&w=4096' IN_POINT=$(echo "print(($TOTAL_DURATION - $CHUNK_TIME) / 2)" | python3)
test -f "$INPUT_DIR/${INPUT[1]}" || wget -O "$INPUT_DIR/${INPUT[1]}" 'https://www.pexels.com/download/video/2908575/?fps=23.976&h=2160&w=4096' echo -e "\tin: $IN_POINT"
test -f "$INPUT_DIR/${INPUT[2]}" || wget -O "$INPUT_DIR/${INPUT[2]}" 'https://www.pexels.com/download/video/5598970/?fps=23.976&h=2160&w=3840' ffmpeg -i "$DL_DIR/$input" -vcodec copy -reset_timestamps 1 \
-map 0 -an -sn -ss "$IN_POINT" -t $CHUNK_TIME "$INPUT_DIR/$input"
rm -rf "$OUTPUT_DIR" && mkdir -p "$OUTPUT_DIR" done
# Different variables to test # Different variables to test
CRF=(20 25 30) CRF=(20 25 30)
ENCODER=('libsvtav1' 'librav1e' 'libaom-av1') ENCODER=('libsvtav1' 'librav1e' 'libaom-av1')
ENCODER=('libsvtav1')
PRESET=(4 8 12) PRESET=(4 8 12)
# Log for results # uncomment for quick testing
LOG="$OUTPUT_DIR/results.txt" CRF=(30)
VMAF_RESULTS="$OUTPUT_DIR/vmaf.json" ENCODER=('libsvtav1')
PRESET=(13)
# Log for results
LOG="$BENCHMARK_DIR/results.txt"
rm -rf "$OUTPUT_DIR" && mkdir -p "$OUTPUT_DIR"
rm "$LOG"
for input in "${INPUT[@]}" for input in "${INPUT[@]}"
do do
for encoder in "${ENCODER[@]}" for encoder in "${ENCODER[@]}"
@@ -34,17 +62,27 @@ do
do do
for crf in "${CRF[@]}" for crf in "${CRF[@]}"
do do
# output file name
OUTPUT="$OUTPUT_DIR/${encoder}_preset${preset}_crf${crf}_$input" OUTPUT="$OUTPUT_DIR/${encoder}_preset${preset}_crf${crf}_$input"
echo "output: $OUTPUT" >> "$LOG" echo "output: $(basename "$OUTPUT")" >> "$LOG"
# encode
TIME_BEFORE=$(date +%s) TIME_BEFORE=$(date +%s)
ffmpeg -i "$INPUT_DIR/$input" -c:a copy -c:v "$encoder" \ ffmpeg -i "$INPUT_DIR/$input" -c:a copy -c:v "$encoder" \
-preset "$preset" -crf "$crf" "$OUTPUT" 2> /dev/null || exit 1 -preset "$preset" -crf "$crf" "$OUTPUT" 2> /dev/null || exit 1
TIME_AFTER=$(date +%s) TIME_AFTER=$(date +%s)
TIME_DIFF=$((TIME_AFTER - TIME_BEFORE)) TIME_DIFF=$((TIME_AFTER - TIME_BEFORE))
echo -e "\t time taken: $TIME_DIFF seconds" >> "$LOG" echo -e "\ttime taken: $TIME_DIFF seconds" >> "$LOG"
# vmaf
VMAF_RESULTS="${OUTPUT}_vmaf.json"
ffmpeg -an -sn -i "$OUTPUT" -i "$INPUT_DIR/$input" -lavfi \ ffmpeg -an -sn -i "$OUTPUT" -i "$INPUT_DIR/$input" -lavfi \
libvmaf=n_threads="$(nproc)":log_path="$VMAF_RESULTS":log_fmt='json' -f 'null' - libvmaf='feature=name=psnr_hvs|name=cambi|name=float_ms_ssim':n_threads="$(nproc)":log_path="$VMAF_RESULTS":log_fmt='json' \
echo -e "\t mean vmaf: $(cat "$VMAF_RESULTS" | jq '.pooled_metrics.vmaf.mean')" >> "$LOG" || exit 1 -f 'null' - || exit 1
echo -e "\tpsnr_hvs: $(cat "$VMAF_RESULTS" | jq '.pooled_metrics.psnr_hvs.harmonic_mean')" >> "$LOG" || exit 1
echo -e "\tcambi: $(cat "$VMAF_RESULTS" | jq '.pooled_metrics.cambi.harmonic_mean')" >> "$LOG" || exit 1
echo -e "\tfloat_ms_ssim: $(cat "$VMAF_RESULTS" | jq '.pooled_metrics.float_ms_ssim.harmonic_mean')" >> "$LOG" || exit 1
echo -e "\tvmaf: $(cat "$VMAF_RESULTS" | jq '.pooled_metrics.vmaf.harmonic_mean')" >> "$LOG" || exit 1
done done
done done
done done

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@@ -54,7 +54,7 @@ git pull
python3 -m virtualenv .venv python3 -m virtualenv .venv
source .venv/bin/activate source .venv/bin/activate
pip install meson pip install meson
meson setup build --buildtype release meson setup build --buildtype release -Denable_float=true
ninja -vC build ninja -vC build
sudo ninja -vC build install sudo ninja -vC build install

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@@ -10,6 +10,7 @@ sudo apt-get install autoconf automake build-essential cmake git-core \
curl https://sh.rustup.rs -sSf | sh -s -- -y curl https://sh.rustup.rs -sSf | sh -s -- -y
source "$HOME/.cargo/env" source "$HOME/.cargo/env"
cargo install cargo-c cargo install cargo-c || exit 1
python3 -m pip install virtualenv || exit 1
python3 -m pip install virtualenv