93 lines
3.3 KiB
Plaintext
93 lines
3.3 KiB
Plaintext
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#!/bin/bash
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# SYSTEM: UPDATE AUDIO FRAME SIZE
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# Run debug then search log for instance of frame size. Assgn to variable then write to anonradio-config.json
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# Includes and Declarations (global variables, formatting, and functions)
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source "${APPLICATION_ROOT}/scripts/system/system-functions"
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source "${APPLICATION_ROOT}/scripts/system/system-declarations"
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# Kill process (as a safeguard)
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sudo pkill "liquidsoap";
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# Get active config name, construct path to streamable config file (for validation)
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CURRENTLY_ACTIVE_CONFIG_NAME=$(<"$CONFIG_FILE_IDENTIFIER_PATH")
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STREAMABLE_CONFIG_FILE_PATH="$CONFIG_DIRECTORY/config-$CURRENTLY_ACTIVE_CONFIG_NAME.json"
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# Check if config file exists
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if [[ -f "$STREAMABLE_CONFIG_FILE_PATH" ]];
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# If exists
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then
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# Set up timestamp formatting, path, then create file and set permission for coming log-dump
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TIMESTAMP_FILENAME="log-$(date +%s)"
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CURRENT_CHOWN_USER=$(whoami)
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FULL_LOG_FILE_PATH="$LOG_FOLDER_PATH/buffer_evaluation_$TIMESTAMP_FILENAME"
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sudo touch "$FULL_LOG_FILE_PATH"
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sudo chmod 755 "$FULL_LOG_FILE_PATH"
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sudo chown "$CURRENT_CHOWN_USER" "$FULL_LOG_FILE_PATH"
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# Log color formatting of log, then export log to specified log file (butter_evaluation_log-[timestamp])
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printf "${COLOR_GRAY}";
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liquidsoap -v --debug 'input.alsa(bufferize=false)' >> $FULL_LOG_FILE_PATH & sleep 3;
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sudo pkill "liquidsoap";
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sleep 2
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printf "${COLOR_DEFAULT}"
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# Notification of command edecution
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confirmation_message "[H] Review Hardware Audio Frame Size:"
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# sed to strip away just want
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# Example log line (for reference):
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# 2019/11/09 19:11:09 [frame:3] Frame size must be a multiple of 1764 ticks = 1764 audio samples = 1 video samples.
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BUFFER_RECOMMENDED=$(sed -e s/"^.*ticks = "// -e s/" audio samples.*$"// <<< $(sed -n "s/Frame size must be a multiple of//p" $FULL_LOG_FILE_PATH))
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BUFFER_DECLARED=$(sed -e s/'[ \t]*\"\"\:\"'// -e s/'".*'// <<< $(sed -n "s/"hardware_audio_frame_size"//p" $STREAMABLE_CONFIG_FILE_PATH))
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# Check if declared AFS buffer size is a multiple of recommended AFS buffer (using bc)
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# Then, if checked result has 8 decimal places of zeroes, then echo appropriate notice
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BUFFER_MULTIPLE_CHECK=`echo "scale=8; $BUFFER_DECLARED/$BUFFER_RECOMMENDED" | bc -l`
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if [[ $BUFFER_MULTIPLE_CHECK == *".00000000"* ]]; then
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NOTICE="${COLOR_GREEN}${SYMBOL_CHECKMARK}${COLOR_DEFAULT} ${FONT_BOLD}Config settings OK! (config AFS is multiple of recommended AFS)${FONT_DEFAULT}"
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else
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NOTICE="${FONT_BOLD}${COLOR_YELLOW}${SYMBOL_HAZARD}${COLOR_DEFAULT} Warning: Config AFS is not a multiple of recommended AFS${FONT_DEFAULT}"
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fi
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# Output / Reporting:
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printf "\n"
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printf "\n"
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printf "${FONT_BOLD} HARDWARE, AUDIO FRAME SIZE (AFS):${FONT_DEFAULT}\n"
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printf "\n"
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# printf " • Default system frame size - $BUFFER_OBSERVED\n"
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printf " • Recommended frame size - $BUFFER_RECOMMENDED\n"
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printf " • Your current config's frame size - $BUFFER_DECLARED\n"
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printf "\n"
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printf " $NOTICE\n"
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printf "\n"
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printf "\n"
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printf "\n"
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# Unset Variables
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IDENTIFYING_STRING=""
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BUFFER_LINE=""
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EVALUATED_SAMPLES=""
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BUFFER_OBSERVED=""
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NOTICE=""
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# If no config file exists
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else
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error_message "[H] Review Hardware Audio Frame Size: No config file to reference. Please specify."
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echo ""
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fi
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