Sony MX5/MX6 audio profile switcher

switch_audio_profile.sh

# Sony MX5 profile switcher with proper profile names
# Features:
# - Automatic notifications when switching profiles
# - Toggle between LDAC and mSBC with visual feedback
# - Shows profile transition (from → to) in notifications

DEVICE_MAC="AC:80:0A:30:3A:DD"

get_card_name() {
    pactl list cards short | grep bluez_card.${DEVICE_MAC//:/_} | cut -f2
}

get_active_profile() {
    local card=$1
    pactl list cards | grep -A50 "$card" | grep "Active Profile:" | awk '{print $3}'
}

switch_profile() {
    local profile=$1
    echo "Switching to profile: $profile"
    
    # First, ensure card exists
    CARD=$(get_card_name)
    if [ -z "$CARD" ]; then
        echo "Device not connected"
        return 1
    fi
    
    # Switch to the profile
    pactl set-card-profile "$CARD" "$profile"
    local result=$?
    
    # Check if successful
    if [ $result -eq 0 ]; then
        echo "Successfully switched to $profile"
        # Show current active profile
        echo "Active profile: $(get_active_profile "$CARD")"
        return 0
    else
        echo "Failed to switch profile"
        echo "Available profiles:"
        pactl list cards | grep -A50 "$CARD" | sed -n '/Profiles:/,/Active Profile:/p' | grep -E "^\s+[a-z]" | sed 's/^[[:space:]]*/  /'
        return 1
    fi
}

get_profile_name() {
    local profile=$1
    case "$profile" in
        "a2dp-sink") echo "LDAC (High Quality)" ;;
        "a2dp-sink-sbc") echo "SBC (Standard)" ;;
        "a2dp-sink-sbc_xq") echo "SBC-XQ (High Quality)" ;;
        "a2dp-sink-aac") echo "AAC (High Quality)" ;;
        "headset-head-unit") echo "mSBC (Voice Calls)" ;;
        "headset-head-unit-cvsd") echo "CVSD (Voice Calls)" ;;
        "off") echo "Disabled" ;;
        *) echo "Unknown" ;;
    esac
}

toggle_ldac_msbc() {
    CARD=$(get_card_name)
    if [ -z "$CARD" ]; then
        echo "Device not connected"
        notify-send -u critical "Bluetooth Audio" "Device not connected"
        exit 1
    fi
    
    CURRENT_PROFILE=$(get_active_profile "$CARD")
    FROM_NAME=$(get_profile_name "$CURRENT_PROFILE")
    
    case "$CURRENT_PROFILE" in
        "a2dp-sink"|"a2dp-sink-sbc"|"a2dp-sink-sbc_xq"|"a2dp-sink-aac")
            # Currently on A2DP, switch to mSBC
            echo "Currently on A2DP ($CURRENT_PROFILE), switching to mSBC..."
            if switch_profile "headset-head-unit"; then
            TO_NAME="mSBC (Voice Calls)"
                notify-send -i audio-headset -t 2000 "Audio Profile Switched" "$FROM_NAME → $TO_NAME"
            else
                notify-send -u critical "Audio Profile" "Failed to switch profile"
            fi
            ;;
        "headset-head-unit"|"headset-head-unit-cvsd")
            # Currently on HFP, switch to LDAC
            echo "Currently on HFP ($CURRENT_PROFILE), switching to LDAC..."
            if switch_profile "a2dp-sink"; then
                TO_NAME="LDAC (High Quality)"
                notify-send -i audio-headset "Audio Profile Switched" "$FROM_NAME → $TO_NAME"
            else
                notify-send -u critical "Audio Profile" "Failed to switch profile"
            fi
            ;;
        "off")
            # Device is off, default to LDAC
            echo "Device is off, switching to LDAC..."
            if switch_profile "a2dp-sink"; then
                TO_NAME="LDAC (High Quality)"
                notify-send -i audio-headset "Audio Profile Switched" "$FROM_NAME → $TO_NAME"
            else
                notify-send -u critical "Audio Profile" "Failed to switch profile"
            fi
            ;;
        *)
            echo "Unknown profile: $CURRENT_PROFILE, switching to LDAC..."
            if switch_profile "a2dp-sink"; then
                TO_NAME="LDAC (High Quality)"
                notify-send -i audio-headset "Audio Profile Switched" "$FROM_NAME → $TO_NAME"
            else
                notify-send -u critical "Audio Profile" "Failed to switch profile"
            fi
            ;;
    esac
}

case "$1" in
    ldac|hq)
        # Use the exact profile name from your system
        if switch_profile "a2dp-sink"; then
            notify-send -i audio-headset -t 2000 "Audio Profile" "Switched to LDAC (High Quality)"
        fi
        ;;
    sbc)
        if switch_profile "a2dp-sink-sbc"; then
            notify-send -i audio-headset -t 2000 "Audio Profile" "Switched to SBC (Standard)"
        fi
        ;;
    sbc-xq)
        if switch_profile "a2dp-sink-sbc_xq"; then
            notify-send -i audio-headset -t 2000 "Audio Profile" "Switched to SBC-XQ (High Quality)"
        fi
        ;;
    aac)
        if switch_profile "a2dp-sink-aac"; then
            notify-send -i audio-headset -t 2000 "Audio Profile" "Switched to AAC (High Quality)"
        fi
        ;;
    msbc|voice)
        # mSBC profile is just "headset-head-unit"
        if switch_profile "headset-head-unit"; then
            notify-send -i audio-headset -t 2000 "Audio Profile" "Switched to mSBC (Voice Calls)"
        fi
        ;;
    cvsd)
        if switch_profile "headset-head-unit-cvsd"; then
            notify-send -i audio-headset -t 2000 "Audio Profile" "Switched to CVSD (Voice Calls)"
        fi
        ;;
    off)
        if switch_profile "off"; then
            notify-send -i audio-headset -t 2000 "Audio Profile" "Audio Disabled"
        fi
        ;;
    toggle)
        # Toggle between LDAC and mSBC
        toggle_ldac_msbc
        ;;
    list)
        # Show all available profiles
        CARD=$(get_card_name)
        if [ -z "$CARD" ]; then
            echo "Device not connected"
            exit 1
        fi
        echo "Available profiles for $CARD:"
        pactl list cards | grep -A50 "$CARD" | sed -n '/Profiles:/,/Active Profile:/p' | grep -E "^\s+[a-z]" | sed 's/^[[:space:]]*/  /'
        echo ""
        echo "Active profile: $(get_active_profile "$CARD")"
        ;;
    status)
        # Just show current status
        CARD=$(get_card_name)
        if [ -z "$CARD" ]; then
            echo "Device not connected"
            exit 1
        fi
        CURRENT_PROFILE=$(get_active_profile "$CARD")
        echo "Current profile: $CURRENT_PROFILE"
        case "$CURRENT_PROFILE" in
            "a2dp-sink") echo "Mode: High Quality Audio (LDAC)" ;;
            "a2dp-sink-sbc") echo "Mode: Standard Audio (SBC)" ;;
            "a2dp-sink-sbc_xq") echo "Mode: High Quality Audio (SBC-XQ)" ;;
            "a2dp-sink-aac") echo "Mode: High Quality Audio (AAC)" ;;
            "headset-head-unit") echo "Mode: Voice Calls (mSBC)" ;;
            "headset-head-unit-cvsd") echo "Mode: Voice Calls (CVSD)" ;;
            "off") echo "Mode: Disabled" ;;
            *) echo "Mode: Unknown" ;;
        esac
        ;;
    *)
        echo "Usage: $0 {ldac|hq|sbc|sbc-xq|aac|msbc|voice|cvsd|off|toggle|list|status}"
        echo ""
        echo "Profiles:"
        echo "  ldac/hq - High quality LDAC codec (default A2DP)"
        echo "  sbc     - Standard SBC codec"
        echo "  sbc-xq  - SBC-XQ (high quality SBC)"
        echo "  aac     - AAC codec"
        echo "  msbc/voice - mSBC for voice calls (HFP)"
        echo "  cvsd    - CVSD for voice calls (HFP fallback)"
        echo "  off     - Disable audio"
        echo "  toggle  - Toggle between LDAC and mSBC"
        echo "  list    - Show all available profiles"
        echo "  status  - Show current profile status"
        ;;
esac