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Shortcuts volume commands of playout control #1235

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merged 3 commits into from
Jan 2, 2021
Merged

Shortcuts volume commands of playout control #1235

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eafb4a6
Shortcuts volume commands of playout control
baflo Dec 26, 2020
867fe5e
Moves debug control out of shorcutted block
baflo Dec 26, 2020
a3f1fbd
Fixes indentation
baflo Dec 26, 2020
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181 changes: 95 additions & 86 deletions scripts/playout_controls.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -101,92 +101,101 @@ VOLFILE=${PATHDATA}/../settings/Audio_Volume_Level
# see following file for details:
. ${PATHDATA}/inc.readArgsFromCommandLine.sh

if [ "${DEBUG_playout_controls_sh}" == "TRUE" ]; then echo "VAR COMMAND: ${COMMAND}" >> ${PATHDATA}/../logs/debug.log; fi
if [ "${DEBUG_playout_controls_sh}" == "TRUE" ]; then echo "VAR VALUE: ${VALUE}" >> ${PATHDATA}/../logs/debug.log; fi


ENABLE_CHAPTERS_FOR_EXTENSIONS="mp4,m4a,m4b,m4r"
ENABLE_CHAPTERS_MIN_DURATION="600"

function dbg {
if [ "${DEBUG_playout_controls_sh}" == "TRUE" ]; then
echo "$1" >> ${PATHDATA}/../logs/debug.log;
fi
}

function sec_to_ms() {
SECONDSPART="$(cut -d '.' -f 1 <<< "$1")"
MILLISECONDSPART="$(cut -d '.' -f 2 <<< "$1")"
MILLISECONDSPART_NORMALIZED="$(echo "$MILLISECONDSPART" | cut -c1-3 | sed 's/^0*//')"

if [[ "" == "$SECONDSPART" ]]; then
SECONDSPART="0"
fi

if [[ "" == "$MILLISECONDSPART_NORMALIZED" ]]; then
MILLISECONDSPART_NORMALIZED="0"
fi
echo "$((${SECONDSPART} * 1000 + ${MILLISECONDSPART_NORMALIZED}))"
}

AUDIO_FOLDERS_PATH=$(cat "${PATHDATA}/../settings/Audio_Folders_Path")

CURRENT_SONG_INFO=$(echo -e "currentsong\nclose" | nc -w 1 localhost 6600)
CURRENT_SONG_FILE=$(echo "$CURRENT_SONG_INFO" | grep -o -P '(?<=file: ).*')
CURRENT_SONG_FILE_ABS="${AUDIO_FOLDERS_PATH}/${CURRENT_SONG_FILE}"
dbg "current file: $CURRENT_SONG_FILE_ABS"

CURRENT_SONG_DIR="$(dirname -- "$CURRENT_SONG_FILE_ABS")"
CURRENT_SONG_BASENAME="$(basename -- "${CURRENT_SONG_FILE_ABS}")"
CURRENT_SONG_FILE_EXT="${CURRENT_SONG_BASENAME##*.}"
CURRENT_SONG_ELAPSED=$(echo -e "status\nclose" | nc -w 1 localhost 6600 | grep -o -P '(?<=elapsed: ).*')
CURRENT_SONG_DURATION=$(echo -e "status\nclose" | nc -w 1 localhost 6600 | grep -o -P '(?<=duration: ).*')

CHAPTERS_FILE="${CURRENT_SONG_DIR}/${CURRENT_SONG_BASENAME%.*}.chapters.json"
dbg "chapters file: $CHAPTERS_FILE"

if [ "$(grep -wo "$CURRENT_SONG_FILE_EXT" <<< "$ENABLE_CHAPTERS_FOR_EXTENSIONS")" == "$CURRENT_SONG_FILE_EXT" ]; then
CHAPTER_SUPPORT_FOR_EXTENSION="1"
else
CHAPTER_SUPPORT_FOR_EXTENSION="0"
fi
dbg "chapters for extension enabled: $CHAPTER_SUPPORT_FOR_EXTENSION"


if [ "$(printf "${CURRENT_SONG_DURATION}\n${ENABLE_CHAPTERS_MIN_DURATION}\n" | sort -g | head -1)" == "${ENABLE_CHAPTERS_MIN_DURATION}" ]; then
CHAPTER_SUPPORT_FOR_DURATION="1"
else
CHAPTER_SUPPORT_FOR_DURATION="0"
fi
dbg "chapters for duration enabled: $CHAPTER_SUPPORT_FOR_DURATION"

if [ "${CHAPTER_SUPPORT_FOR_EXTENSION}${CHAPTER_SUPPORT_FOR_DURATION}" == "11" ]; then
if ! [ -f "${CHAPTERS_FILE}" ]; then
CHAPTERS_COUNT="0"
dbg "chaptes file does not exist - export triggered"
ffprobe -i "${CURRENT_SONG_FILE_ABS}" -print_format json -show_chapters -loglevel error > "${CHAPTERS_FILE}" &
else
CHAPTERS_COUNT="$(grep '"id":' "${CHAPTERS_FILE}" | wc -l )"
dbg "chapters file does exist, chapter count: $CHAPTERS_COUNT"
fi


CHAPTER_START_TIMES="$( ( echo -e $CURRENT_SONG_ELAPSED & grep 'start_time' "$CHAPTERS_FILE" | cut -d '"' -f 4 | sed 's/000$//') | sort -V)"
ELAPSED_MATCH_CHAPTER_COUNT=$(grep "$CURRENT_SONG_ELAPSED" <<< "$CHAPTER_START_TIMES" | wc -l)

# elapsed and chapter start exactly match -> skip one line
if [ "$ELAPSED_MATCH_CHAPTER_COUNT" == "2" ]; then
PREV_CHAPTER_START=$(grep "$CURRENT_SONG_ELAPSED" -B 1 <<< "$CHAPTER_START_TIMES" | head -n1)
CURRENT_CHAPTER_START="$CURRENT_SONG_ELAPSED"
else
PREV_CHAPTER_START=$(grep "$CURRENT_SONG_ELAPSED" -B 2 <<< "$CHAPTER_START_TIMES" | head -n1)
CURRENT_CHAPTER_START=$(grep "$CURRENT_SONG_ELAPSED" -B 1 <<< "$CHAPTER_START_TIMES" | head -n1)
fi

NEXT_CHAPTER_START=$(grep "$CURRENT_SONG_ELAPSED" -A 1 <<< "$CHAPTER_START_TIMES" | tail -n1)
fi

# SHUFFLE_STATUS=$(echo -e status\\nclose | nc -w 1 localhost 6600 | grep -o -P '(?<=random: ).*')
# Regex that declares commands for which the following code can be shortcut
# and we can immediately jump to the switch-case statement. Increases execution
# speed of these commands.
shortcutCommands="^(setvolume|volumedown|volumeup|mute)$"

# Run the code from this block only, if the current command is not in "shortcutCommands"
if [[ ! "$COMMAND" =~ $shortcutCommands ]]
then
if [ "${DEBUG_playout_controls_sh}" == "TRUE" ]; then echo "VAR COMMAND: ${COMMAND}" >> ${PATHDATA}/../logs/debug.log; fi
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if [ "${DEBUG_playout_controls_sh}" == "TRUE" ]; then echo "VAR VALUE: ${VALUE}" >> ${PATHDATA}/../logs/debug.log; fi


ENABLE_CHAPTERS_FOR_EXTENSIONS="mp4,m4a,m4b,m4r"
ENABLE_CHAPTERS_MIN_DURATION="600"

function dbg {
if [ "${DEBUG_playout_controls_sh}" == "TRUE" ]; then
echo "$1" >> ${PATHDATA}/../logs/debug.log;
fi
}

function sec_to_ms() {
SECONDSPART="$(cut -d '.' -f 1 <<< "$1")"
MILLISECONDSPART="$(cut -d '.' -f 2 <<< "$1")"
MILLISECONDSPART_NORMALIZED="$(echo "$MILLISECONDSPART" | cut -c1-3 | sed 's/^0*//')"

if [[ "" == "$SECONDSPART" ]]; then
SECONDSPART="0"
fi

if [[ "" == "$MILLISECONDSPART_NORMALIZED" ]]; then
MILLISECONDSPART_NORMALIZED="0"
fi
echo "$((${SECONDSPART} * 1000 + ${MILLISECONDSPART_NORMALIZED}))"
}

AUDIO_FOLDERS_PATH=$(cat "${PATHDATA}/../settings/Audio_Folders_Path")

CURRENT_SONG_INFO=$(echo -e "currentsong\nclose" | nc -w 1 localhost 6600)
CURRENT_SONG_FILE=$(echo "$CURRENT_SONG_INFO" | grep -o -P '(?<=file: ).*')
CURRENT_SONG_FILE_ABS="${AUDIO_FOLDERS_PATH}/${CURRENT_SONG_FILE}"
dbg "current file: $CURRENT_SONG_FILE_ABS"

CURRENT_SONG_DIR="$(dirname -- "$CURRENT_SONG_FILE_ABS")"
CURRENT_SONG_BASENAME="$(basename -- "${CURRENT_SONG_FILE_ABS}")"
CURRENT_SONG_FILE_EXT="${CURRENT_SONG_BASENAME##*.}"
CURRENT_SONG_ELAPSED=$(echo -e "status\nclose" | nc -w 1 localhost 6600 | grep -o -P '(?<=elapsed: ).*')
CURRENT_SONG_DURATION=$(echo -e "status\nclose" | nc -w 1 localhost 6600 | grep -o -P '(?<=duration: ).*')

CHAPTERS_FILE="${CURRENT_SONG_DIR}/${CURRENT_SONG_BASENAME%.*}.chapters.json"
dbg "chapters file: $CHAPTERS_FILE"

if [ "$(grep -wo "$CURRENT_SONG_FILE_EXT" <<< "$ENABLE_CHAPTERS_FOR_EXTENSIONS")" == "$CURRENT_SONG_FILE_EXT" ]; then
CHAPTER_SUPPORT_FOR_EXTENSION="1"
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else
CHAPTER_SUPPORT_FOR_EXTENSION="0"
fi
dbg "chapters for extension enabled: $CHAPTER_SUPPORT_FOR_EXTENSION"


if [ "$(printf "${CURRENT_SONG_DURATION}\n${ENABLE_CHAPTERS_MIN_DURATION}\n" | sort -g | head -1)" == "${ENABLE_CHAPTERS_MIN_DURATION}" ]; then
CHAPTER_SUPPORT_FOR_DURATION="1"
else
CHAPTER_SUPPORT_FOR_DURATION="0"
fi
dbg "chapters for duration enabled: $CHAPTER_SUPPORT_FOR_DURATION"

if [ "${CHAPTER_SUPPORT_FOR_EXTENSION}${CHAPTER_SUPPORT_FOR_DURATION}" == "11" ]; then
if ! [ -f "${CHAPTERS_FILE}" ]; then
CHAPTERS_COUNT="0"
dbg "chaptes file does not exist - export triggered"
ffprobe -i "${CURRENT_SONG_FILE_ABS}" -print_format json -show_chapters -loglevel error > "${CHAPTERS_FILE}" &
else
CHAPTERS_COUNT="$(grep '"id":' "${CHAPTERS_FILE}" | wc -l )"
dbg "chapters file does exist, chapter count: $CHAPTERS_COUNT"
fi


CHAPTER_START_TIMES="$( ( echo -e $CURRENT_SONG_ELAPSED & grep 'start_time' "$CHAPTERS_FILE" | cut -d '"' -f 4 | sed 's/000$//') | sort -V)"
ELAPSED_MATCH_CHAPTER_COUNT=$(grep "$CURRENT_SONG_ELAPSED" <<< "$CHAPTER_START_TIMES" | wc -l)

# elapsed and chapter start exactly match -> skip one line
if [ "$ELAPSED_MATCH_CHAPTER_COUNT" == "2" ]; then
PREV_CHAPTER_START=$(grep "$CURRENT_SONG_ELAPSED" -B 1 <<< "$CHAPTER_START_TIMES" | head -n1)
CURRENT_CHAPTER_START="$CURRENT_SONG_ELAPSED"
else
PREV_CHAPTER_START=$(grep "$CURRENT_SONG_ELAPSED" -B 2 <<< "$CHAPTER_START_TIMES" | head -n1)
CURRENT_CHAPTER_START=$(grep "$CURRENT_SONG_ELAPSED" -B 1 <<< "$CHAPTER_START_TIMES" | head -n1)
fi

NEXT_CHAPTER_START=$(grep "$CURRENT_SONG_ELAPSED" -A 1 <<< "$CHAPTER_START_TIMES" | tail -n1)
fi

# SHUFFLE_STATUS=$(echo -e status\\nclose | nc -w 1 localhost 6600 | grep -o -P '(?<=random: ).*')
fi # END COMMANDS SHORTCUT

case $COMMAND in
shutdown)
Expand Down