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-rwxr-xr-xroles/prerec/templates/reencode.sh17
1 files changed, 14 insertions, 3 deletions
diff --git a/roles/prerec/templates/reencode.sh b/roles/prerec/templates/reencode.sh
index 7ae3234..66c2f57 100755
--- a/roles/prerec/templates/reencode.sh
+++ b/roles/prerec/templates/reencode.sh
@@ -7,7 +7,8 @@ q=32
cpu=4
time_limit=""
print_only=false
-resolution=1080
+limit_resolution=1080
+limit_fps=30.01
while getopts :q:c:t:s OPT; do
case $OPT in
@@ -32,8 +33,18 @@ shift `expr $OPTIND - 1`
OPTIND=1
command="$(cat<<EOF
-ffmpeg -y -i "$1" $time_limit -vf "scale='-1':'min($resolution,ih)'" -c:v libvpx-vp9 -b:v 0 -crf $q -an -row-mt 1 -tile-columns 2 -tile-rows 2 -cpu-used $cpu -g 240 -pass 1 -f webm -threads $cpu /dev/null &&
- ffmpeg -y -i "$1" $time_limit -vf "scale='-1':'min($resolution,ih)'" -c:v libvpx-vp9 -b:v 0 -crf $q -c:a libopus -row-mt 1 -tile-columns 2 -tile-rows 2 -cpu-used $cpu -pass 2 -g 240 -threads $cpu "$2"
+ffmpeg -y -i "$1" $time_limit \
+ -vf "scale='-1':'min($limit_resolution,ih)',
+ select='eq(n,0)+if(gt(t-prev_selected_t,1/$limit_fps),1,0)'" \
+ -c:v libvpx-vp9 -b:v 0 -crf $q -an \
+ -row-mt 1 -tile-columns 2 -tile-rows 2 -cpu-used $cpu -g 240 \
+ -pass 1 -f webm -threads $cpu /dev/null &&
+ ffmpeg -y -i "$1" $time_limit \
+ -vf "scale='-1':'min($limit_resolution,ih)',
+ select='eq(n,0)+if(gt(t-prev_selected_t,1/$limit_fps),1,0)'" \
+ -c:v libvpx-vp9 -b:v 0 -crf $q -c:a libopus \
+ -row-mt 1 -tile-columns 2 -tile-rows 2 -cpu-used $cpu \
+ -pass 2 -threads $cpu "$2"
EOF
)"