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Update downmix.sh

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MGislv 2022-11-21 23:02:15 +00:00
parent 624c0a085f
commit 0f51657f81
1 changed files with 12 additions and 10 deletions
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downmix.sh
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@ -1,17 +1,19 @@
read -p 'Gain db: ' GAIN
# Simple script to downmix a 5.1/5.1 side flac file to stereo,
# and optionally resample to cd quality
read -p 'Gain db [+3db]: ' GAIN
if [[ -z "$GAIN" ]]; then
GAIN=2
GAIN=3
fi
read -p 'Resample to cd quality? [No]: ' RES
mkdir -p down
for file in *.flac; do
#ffmpeg -i "$file" -filter:a "volume=${GAIN}dB" -ac 2 "down/$file"
#ffmpeg -i "$file" -ac 2 "down/$file"
#ffmpeg -i "$file" -af "pan=stereo|FL < 1.0*FL + 0.707*FC + 0.707*BL+0.5*LFE|FR < 1.0*FR + 0.707*FC + 0.707*BR+0.5*LFE" "down/$file"
ffmpeg -i "$file" -af "pan=stereo| FL < FL + 0.707*FC + 0.707*BL + 0.707*SL + 0.5*LFE | FR < FR + 0.707*FC + 0.707*BR + 0.707*SR + 0.5*LFE,volume=${GAIN}dB,aresample=resampler=soxr:precision=28" -sample_fmt s16 -ar 44100 -map_metadata -1 "down/${file/%flac/wav}"
#"FL+FR+FC+LFE+SL+SR"
#"pan=stereo| FL < FL + 0.707*FC + 0.707*BL + 0.707*SL + 0.5*LFE | FR < FR + 0.707*FC + 0.707*BR + 0.707*SR + 0.5*LFE"
#"pan=stereo| FL < FL + 0.5*FC + 0.6*BL + 0.6*SL | FR < FR + 0.5*FC + 0.6*BR + 0.6*SR"
#ffmpeg -i "$file" -af "pan=stereo|FL < 1.0*FL + 0.707*FC + 0.707*BL|FR < 1.0*FR + 0.707*FC + 0.707*BR" "down/$file"
if [[ -z "$RES" ]]; then
ffmpeg -i "$file" -af "pan=stereo| FL < FL + 0.707*FC + 0.707*BL + 0.707*SL + 0.5*LFE | FR < FR + 0.707*FC + 0.707*BR + 0.707*SR + 0.5*LFE,volume=${GAIN}dB" "down/$file"
else
ffmpeg -i "$file" -af "pan=stereo| FL < FL + 0.707*FC + 0.707*BL + 0.707*SL + 0.5*LFE | FR < FR + 0.707*FC + 0.707*BR + 0.707*SR + 0.5*LFE,volume=${GAIN}dB,aresample=resampler=soxr:precision=28" -sample_fmt s16 -ar 44100 -map_metadata -1 "down/${file/%flac/wav}"
fi
done