#!/bin/bash
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device_1=$1
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device_2=$2
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echo ""
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echo "*****************************************************"
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echo "* Rockchip Platform Audio Functions Test *"
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echo "*****************************************************"
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echo "* Loop playback: [0] *"
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echo "* Loop capture: [1] *"
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echo "* Test loopback: [2] *"
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echo "* Exit audio test: [q] *"
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echo "*****************************************************"
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echo ""
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echo -n "Please select a test case: "
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read TEST_CASE
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echo ""
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PATH_AUDIO=/tmp/audio_test
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mkdir -p $PATH_AUDIO
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prepare_mic_capture()
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{
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amixer set "Capture Digital" 192
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amixer set "Capture Mute" 0
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amixer set "Right PGA Mux" "DifferentialR"
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amixer set "Left PGA Mux" "DifferentialL"
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amixer set "Differential Mux" "Line 2"
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amixer set "Left Channel" 0
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amixer set "Right Channel" 0
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}
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loop_playback()
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{
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echo "******** Loop playback start ********"
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fs_tbl="8000 11025 16000 22050 32000 44100 48000 64000 88200 96000 176400 192000"
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bits_tbl="16 24 32"
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ch=2
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seconds=2
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gain=-30
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play_device="default"
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if [ -n "$1" ]; then
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play_device=$1
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fi
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while [ $ch -ge 1 ]
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do
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for fs in $fs_tbl
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do
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for bits in $bits_tbl
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do
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echo "play_device=$play_device, ch="$ch", rate="$fs", bit=$bits, $seconds sec, gain=$gain"
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sox -b $bits -r $fs -c $ch -n -t alsa $play_device synth $seconds sine 440 gain $gain
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done
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done
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done
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echo "******** Loop playback end ********"
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}
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loop_capture()
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{
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PATH_CAPTURE=$PATH_AUDIO/cap_files
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mkdir $PATH_CAPTURE
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fs_tbl="8000 11025 16000 22050 32000 44100 48000 64000 88200 96000 176400 192000"
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bits_tbl="S16_LE S24_LE S32_LE"
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ch_tbl="2"
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seconds=3
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capt_device="default"
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if [ -n "$1" ]; then
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capt_device=$1
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fi
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echo "******** Loop capture start ********"
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for fs in $fs_tbl
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do
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for bits in $bits_tbl
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do
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for ch in $ch_tbl
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do
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DUMP_FILE=$(printf 'cap_fs%d_format_%s_ch%d.wav' $fs $bits $ch)
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echo "capt_device: $capt_device capture $DUMP_FILE $seconds sec"
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arecord -D $capt_device -r $fs -f $bits -c $ch -d $seconds $PATH_CAPTURE/$DUMP_FILE
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done
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done
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done
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echo "******** Loop capture end ********"
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echo "!! Please using 'adb pull /tmp/audio_test/cap_files/ .' dump all capture files !!"
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}
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case $TEST_CASE in
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"0")
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loop_playback $device_1
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;;
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"1")
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prepare_mic_capture
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loop_capture $device_1
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;;
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"2")
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source ./test_loopback.sh $device_1 $device_2
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;;
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"q")
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echo "Exit audio test"
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;;
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*)
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echo "Invalid case $TEST_CASE"
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;;
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esac
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exit
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