cuburn/scripts/downsample.sh

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2012-06-02 13:09:38 -04:00
#!/bin/zsh
encode () {
[ ! -e "${dir}/ref.avi" ] && return
[ -e "downsampled/${dir}.ts" -a \
"downsampled/${dir}.ts" -nt "${dir}/ref.avi" ] && return
ffmpeg -y -i $dir/ref.avi -vcodec libx264 -q 20 -g 360 -x264opts \
crf=20:bluray-compat:aud:ref=4:level=4.1:threads=0:scenecut=-1:\
vbv_maxrate=40000:vbv_bufsize=30000:vbv_init=0.95:nr=100 \
-preset slow -profile high -vf scale=-1:540 /tmp/enc.avi && \
gst-launch-0.10 filesrc location=/tmp/enc.avi ! avidemux ! h264parse \
! mpegtsmux ! filesink location=downsampled/${dir}.ts && rm /tmp/enc.avi
}
for dir in `ls --sort time -r | grep -v '.sh'`; do encode $dir || break; done