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pv3, fix indentation. pv-test, fix VBR on AV1 to be more testable while also adding capped CRF as an option (changes not yet fully tested).

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me
2026-09-15 10:08:52 -07:00
parent 0a88e173fb
commit 694767abd5
1 changed files with 101 additions and 57 deletions
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rc_shared.sh
+55 -11
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@@ -823,7 +823,7 @@ function pv-test {
# Loop Data #
declare -l {vpreset,crf,vbr,abr,achannel,afreq}s="default"
declare -l {vpreset,crf,vbr,abr,achannel,afreq,over,under}s="default"
echo -e " * * Loop Settings * * \n"
@@ -852,6 +852,20 @@ function pv-test {
fi
echo -e " video bitrates: '$vbrs'\n"
if [[ "$vcodecs" == *"libsvtav1"* ]]; then
read -p "Please provide any over percentages for libsvtav1: [default] " test_overs
if [[ -n "$test_overs" ]]; then
overs="$test_overs"
fi
echo -e " over percentages: '$overs'\n"
read -p "Please provide any under percentages for libsvtav1: [default] " test_unders
if [[ -n "$test_unders" ]]; then
unders="$test_unders"
fi
echo -e " under percentages: '$unders'\n"
fi
acodecs="aac libopus"
read -p "Please provide the audio codecs to test: [$acodecs] " test_acodecs
if [[ -n "$test_acodecs" ]]; then
@@ -920,9 +934,10 @@ function pv-test {
echo -e " * Testing with 'pv2' complete! * \n"
fi
# TBD - Do multiplication with `wc` rather than a loop here.
count=0
for vcodec in $vcodecs; do for vpreset in $vpresets; do
for crf in $crfs; do for vbr in $vbrs; do
for vcodec in $vcodecs; do for vpreset in $vpresets; do for crf in $crfs; do
for vbr in $vbrs; do for over in $overs; do for under in $under; do
for acodec in $acodecs; do for abr in $abrs;
do for achannel in $achannels; do for afreq in $afreqs; do
for ext in $exts; do
@@ -930,8 +945,8 @@ function pv-test {
done
done done
done done
done done
done done
done done done
done done done
plural=""
if (( $count != 1 )); then
plural="s"
@@ -940,8 +955,8 @@ function pv-test {
count=0
unset vcodec vpreset crf vbr acodec abr ext
for vcodec in $vcodecs; do for vpreset in $vpresets; do
for crf in $crfs; do for vbr in $vbrs; do
for vcodec in $vcodecs; do for vpreset in $vpresets; do for crf in $crfs; do
for vbr in $vbrs; do for over in $overs; do for under in $under; do
for acodec in $acodecs; do for abr in $abrs;
do for achannel in $achannels; do for afreq in $afreqs; do
for ext in $exts; do
@@ -972,9 +987,38 @@ function pv-test {
if [[ "$crf" != "default" ]]; then
bitrate="-crf $crf"
fi
declare {o,u}fn=""
if [[ "$vbr" != "default" ]]; then
if [[ "$vcodec" == "libsvtav1" ]]; then
bitrate="$bitrate -svtav1-params rc=1:tbr=$vbr:overshoot-pct=0:undershoot-pct=100"
#bitrate="$bitrate -svtav1-params rc=1:tbr=$vbr:overshoot-pct=0:undershoot-pct=100"
declare {o,u}=""
if [[ "$over" != "default" ]]; then
o=":overshoot-pct=$over"
ofn="-o$over"
fi
if [[ "$under" != "default" ]]; then
u=":undershoot-pct=$under"
ufn="-u$under"
fi
if [[ "$crf" == "default" ]]; then
# Variable Bitrate, rate passed should be the TARGET, not the max.
# Can control the params which allow the target to go up and down, but defaults are okay.
# Seems better to not try and force this to imitate "-b:v -minrate -maxrate -bufsize"
# Will definitely want to use a slower preset to ensure the quality stays consistent.
# Can be done like this if not changing over or under.
#bitrate="-b:v $vbr"
# rc=1, over defaults to 25, under defaults to 50
# rc=2, over defaults to 25, under defaults to 25
bitrate="-svtav1-params rc=1:tbr=${vbr}${o}${u}"
else
# Capped CRF, when both a CRF and bitrate are passed.
# Better to use high CRF with low BR than high BR with low CRF (produces artifacts/tearing).
bitrate="-svtav1-params rc=0:crf=${crf}:mbr=${vbr}${o}${u}"
fi
else
bitrate="$bitrate -b:v $vbr -minrate 0 -maxrate $vbr -bufsize $vbr"
fi
@@ -1003,7 +1047,7 @@ function pv-test {
frequency="-ar $afreq"
fi
newfile="_${size_in}p_${vcodec}-${vpreset}-${crf}-${vbr}_${acodec}-${abr}-${achannel}-${afreq}.${ext}"
newfile="_${size_in}p_${vcodec}-${vpreset}-${crf}-${vbr}${ofn}${ufn}_${acodec}-${abr}-${achannel}-${afreq}.${ext}"
echo -e " * Parameters for this test: $newfile * \n"
if [[ -e "$newfile" ]]; then
@@ -1052,8 +1096,8 @@ function pv-test {
done
done done
done done
done done
done done
done done done
done done done
## Finish ##