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#! /usr/bin/env bash
mcc() {
local list=( *.list )
if [[ ${#list[@]} -ne 1 ]]; then
echo "Number of .list files in cwd must be exactly 1, exiting."
return 1
fi
make_cuts "$list" "$@"
concat CUT -c copy "CONCAT_${list%.*}"
}
concat() {
local prefix="$1"
shift
ffmpeg -f concat -safe 0 -i <(printf 'file %q\n' "$PWD"/"$prefix"*) "$@"
}
make_cuts() {
local list="$1"
local vid="${list%.*}"
local ext="${vid##*.}"
local vid_noext="${vid%.*}"
local start_ts_hms
local end_ts_hms
shift
while IFS=: read -r channel_name start_ts end_ts || [[ -n "$channel_name" ]]; do
if [[ -z "$end_ts" ]]; then continue; fi
start_ts_hms="$(_mpv_cut_to_hms "$start_ts")"
end_ts_hms="$(_mpv_cut_to_hms "$end_ts")"
echo "$channel_name" "$start_ts" "$end_ts"
ffmpeg -nostdin -ss "$start_ts" -to "$end_ts" -i "$vid" "$@" "CUT_${channel_name}_${vid_noext}_${start_ts_hms}_${end_ts_hms}.${ext}"
done < "$list"
}
_mpv_cut_to_hms() {
local total_seconds="$1"
local hours=$(( ${total_seconds%.*} / 3600 ))
local minutes=$(( (${total_seconds%.*} % 3600) / 60 ))
local seconds=$(( ${total_seconds%.*} % 60 ))
local ms
ms=$(printf "%.0f" "$(echo "($total_seconds - ${total_seconds%.*}) * 1000" | bc)")
printf "%02d-%02d-%02d-%03d\n" $hours $minutes $seconds "$ms"
}
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