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adding small version file for now

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This commit is contained in:
Patrick McGuire
2021-10-05 18:25:59 -04:00
parent ed578e401a
commit 355188a166
3 changed files with 30 additions and 11 deletions
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scripts/extract_new_birdsounds.sh
+22 -8
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@@ -1,6 +1,6 @@
#!/usr/bin/env bash
# Exit when any command fails
set -x
#set -x
set -e
# Keep track of the last executed command
#trap 'last_command=$current_command; current_command=$BASH_COMMAND' DEBUG
@@ -116,10 +116,10 @@ for h in "${SCAN_DIRS[@]}";do
# If there are already 20 extracted entries for a given species
# for today, remove the oldest file and create the new one.
# if [[ "$(find ${NEWSPECIES_BYDATE} | wc -l)" -ge 21 ]];then
# if [[ "$(find ${NEWSPECIES_BYDATE} | wc -l)" -ge 20 ]];then
# echo "20 ${SPECIES}s, already! Removing the oldest by-date and making a new one"
# cd ${NEWSPECIES_BYDATE} || exit 1
# ls -1t . | tail -n +21 | xargs -r rm -vv
# ls -1t . | tail -n +20 | xargs -r rm -vv
# fi
echo "Extracting audio . . . "
@@ -128,34 +128,48 @@ for h in "${SCAN_DIRS[@]}";do
# structured by-species, symbolic links are made to populate the new
# directory.
### TESTING longer extraction context
# This section sets the SPACER that will be used to pad the audio clip with
# context. If EXTRACTION_LENGTH is 10, for instance, 3 seconds are removed
# from that value and divided by 2, so that the 3 seconds of the call are
# within 3.5 seconds of audio context before and after.
[ -z ${EXTRACTION_LENGTH} ] && EXTRACTION_LENGTH=6
SPACER=$(echo "scale=1;(${EXTRACTION_LENGTH} - 3 )/2" |bc -l)
START=$(echo "scale=1;${START} - ${SPACER}"|bc -l)
END=$(echo "scale=1;${END} + ${SPACER}"|bc -l)
# If the SPACER would have the START value less that 0, start at the
# beginning of the audio file. If the SPACER would make the END value
# exceed the end of the audio file, end the extraction at the end of the
# audio file.
if (( $(echo "${START} < 1" | bc -l) ));then START=0;fi
if (( $(echo "${END} > ${RECORDING_LENGTH}" | bc -l) ));then END=${RECORDING_LENGTH};fi
ffmpeg -hide_banner -loglevel error -nostdin -i "${h}/${OLDFILE}" \
-acodec copy -ss "${START}" -to "${END}"\
"${NEWSPECIES_BYDATE}/${a}-${NEWFILE}"
if [[ "$(find ${NEWSPECIES_BY_COMMON} | wc -l)" -ge 21 ]];then
# Remove the oldest symbolic links that would made the directory have more
# than 20 entries.
if [[ "$(find ${NEWSPECIES_BY_COMMON} | wc -l)" -ge 20 ]];then
echo "20 ${SPECIES}s, already! Removing the oldest by-species and making a new one"
cd ${NEWSPECIES_BY_COMMON} || exit 1
ls -1t . | tail -n +21 | xargs -r rm -vv
ls -1t . | tail -n +20 | xargs -r rm -vv
ln -fs "${NEWSPECIES_BYDATE}/${a}-${NEWFILE}"\
"${NEWSPECIES_BY_COMMON}/${a}-${NEWFILE}"
echo "Success! New extraction for ${COMMON_NAME}"
else
# Make symbolic link of the extraction to add to By_Common_Name
ln -fs "${NEWSPECIES_BYDATE}/${a}-${NEWFILE}"\
"${NEWSPECIES_BY_COMMON}/${a}-${NEWFILE}"
fi
if [[ "$(find ${NEWSPECIES_BY_SCIENCE} | wc -l)" -ge 21 ]];then
# Remove the oldest symbolic links that would made the directory have more
# than 20 entries.
if [[ "$(find ${NEWSPECIES_BY_SCIENCE} | wc -l)" -ge 20 ]];then
echo "20 ${SPECIES}s, already! Removing the oldest by-species and making a new one"
cd ${NEWSPECIES_BY_SCIENCE} || exit 1
ls -1t . | tail -n +21 | xargs -r rm -vv
ls -1t . | tail -n +20 | xargs -r rm -vv
ln -fs "${NEWSPECIES_BYDATE}/${a}-${NEWFILE}"\
"${NEWSPECIES_BY_SCIENCE}/${a}-${NEWFILE}"
echo "Success! New extraction for ${COMMON_NAME}"