Audio encoders

installer/audio_encoders/audio_encoder.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+
+# Function to find ReSpeaker audio device
+find_respeaker_device() {
+    CARD_NUMBER=$(arecord -l | grep -i respeaker | head -1 | sed 's/card \([0-9]\).*/\1/')
+    if [ -z "$CARD_NUMBER" ]; then
+        echo "Warning: No ReSpeaker device found. Audio will be disabled." >&2
+        return 1
+    else
+        echo "Found ReSpeaker at card $CARD_NUMBER" >&2
+        echo $CARD_NUMBER
+        return 0
+    fi
+}
+
+# Check for ReSpeaker device
+RESPEAKER_CARD=$(find_respeaker_device | tail -n 1)
+AUDIO_AVAILABLE=$?
+
+# Audio pipeline (if ReSpeaker available)
+if [ $AUDIO_AVAILABLE -eq 0 ]; then
+    echo "Adding audio stream from ReSpeaker (card $RESPEAKER_CARD) on port 5011"
+    gst-launch-1.0 -e \
+        alsasrc device=hw:$RESPEAKER_CARD,0 do-timestamp=true ! \
+        audio/x-raw,format=S16LE,rate=16000,channels=6 ! \
+        audioconvert ! audioresample ! \
+        audio/x-raw,rate=48000,channels=2 ! \
+        opusenc bitrate=128000 ! \
+        rtpopuspay pt=111 ! \
+        udpsink host=127.0.0.1 port=5011 sync=false &
+else
+    echo "No audio device found - audio encoder disabled"
+fi
+
+# Wait for all background processes
+wait

installer/sc.sh

@@ -1458,6 +1458,146 @@ EOF
     echo -e "  - systemctl restart skycore-video-storage.service"
 }
 
+# Function to set up audio streaming service
+setup_audio_service() {
+    check_root
+
+    SCRIPT_PATH="/home/skycore/audio_encoder.sh"
+    TARGET_PORT="${1:-5011}"
+
+    echo -e "${YELLOW}[⋯]${NC} Setting up audio streaming service..."
+    echo -e "${YELLOW}[⋯]${NC} Streaming audio to UDP port: ${TARGET_PORT}"
+    echo -e "${YELLOW}[⋯]${NC} Looking for ReSpeaker audio device..."
+
+    # Create the audio encoder script file
+    echo -e "${YELLOW}[⋯]${NC} Creating audio encoder script at $SCRIPT_PATH..."
+
+    cat > "$SCRIPT_PATH" << 'EOF'
+#!/bin/bash
+
+# Function to find ReSpeaker audio device
+find_respeaker_device() {
+    CARD_NUMBER=$(arecord -l | grep -i respeaker | head -1 | sed 's/card \([0-9]\).*/\1/')
+    if [ -z "$CARD_NUMBER" ]; then
+        echo "Warning: No ReSpeaker device found. Audio will be disabled." >&2
+        return 1
+    else
+        echo "Found ReSpeaker at card $CARD_NUMBER" >&2
+        echo $CARD_NUMBER
+        return 0
+    fi
+}
+
+# Log function for service output
+log_message() {
+    echo "$(date +"%Y-%m-%d %H:%M:%S") - $1"
+}
+
+log_message "Starting audio encoder service..."
+
+# Check for ReSpeaker device
+RESPEAKER_CARD=$(find_respeaker_device | tail -n 1)
+AUDIO_AVAILABLE=$?
+
+# Audio pipeline (if ReSpeaker available)
+if [ $AUDIO_AVAILABLE -eq 0 ]; then
+    log_message "Adding audio stream from ReSpeaker (card $RESPEAKER_CARD) on port TARGET_PORT_PLACEHOLDER"
+
+    # Main audio streaming loop with restart capability
+    while true; do
+        gst-launch-1.0 -e \
+            alsasrc device=hw:$RESPEAKER_CARD,0 do-timestamp=true ! \
+            audio/x-raw,format=S16LE,rate=16000,channels=6 ! \
+            audioconvert ! audioresample ! \
+            audio/x-raw,rate=48000,channels=2 ! \
+            opusenc bitrate=128000 ! \
+            rtpopuspay pt=111 ! \
+            udpsink host=127.0.0.1 port=TARGET_PORT_PLACEHOLDER sync=false
+
+        # Check exit status
+        EXIT_CODE=$?
+        if [ $EXIT_CODE -ne 0 ]; then
+            log_message "Audio pipeline exited with code $EXIT_CODE. Restarting in 5 seconds..."
+            sleep 5
+        else
+            log_message "Audio pipeline stopped normally"
+            break
+        fi
+    done
+else
+    log_message "No ReSpeaker audio device found - audio encoder disabled"
+    log_message "Service will keep running but audio streaming is inactive"
+
+    # Keep the service running even without audio device
+    while true; do
+        sleep 60
+        log_message "Audio service running (no device detected)"
+    done
+fi
+EOF
+
+    # Replace the placeholder with actual port
+    sed -i "s/TARGET_PORT_PLACEHOLDER/${TARGET_PORT}/g" "$SCRIPT_PATH"
+
+    # Make script executable
+    chmod +x "$SCRIPT_PATH"
+    chown skycore:skycore "$SCRIPT_PATH"
+
+    # Create systemd service file
+    SERVICE_FILE="/etc/systemd/system/skycore-audio.service"
+
+    echo -e "${YELLOW}[⋯]${NC} Creating systemd service file at $SERVICE_FILE..."
+
+    cat > "$SERVICE_FILE" << EOF
+[Unit]
+Description=SkyCore Audio Streaming Service
+After=network.target sound.target
+
+[Service]
+Type=simple
+ExecStart=$SCRIPT_PATH
+Restart=on-failure
+RestartSec=10
+User=skycore
+Group=skycore
+# Add audio group for ALSA access
+SupplementaryGroups=audio
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+    # Reload systemd to recognize new service
+    echo -e "${YELLOW}[⋯]${NC} Reloading systemd..."
+    systemctl daemon-reload
+
+    # Enable service to start on boot
+    echo -e "${YELLOW}[⋯]${NC} Enabling audio service to start on boot..."
+    systemctl enable skycore-audio.service
+
+    # Start the service
+    echo -e "${YELLOW}[⋯]${NC} Starting audio service..."
+    systemctl start skycore-audio.service
+
+    # Check service status
+    sleep 3
+    if systemctl is-active --quiet skycore-audio.service; then
+        echo -e "${GREEN}[✔]${NC} Audio service started successfully"
+    else
+        echo -e "${RED}[✖]${NC} Failed to start audio service"
+        echo -e "${YELLOW}[⋯]${NC} Check logs with: systemctl status skycore-audio.service"
+        echo -e "${YELLOW}[⋯]${NC} Check logs with: journalctl -u skycore-audio.service -f"
+    fi
+
+    echo -e "${GREEN}[✔]${NC} Audio service has been set up and will run on boot"
+    echo -e "${YELLOW}[⋯]${NC} Audio will be streamed to UDP port: ${TARGET_PORT}"
+    echo -e "${YELLOW}[⋯]${NC} You can control the service with:"
+    echo -e "  - systemctl start skycore-audio.service"
+    echo -e "  - systemctl stop skycore-audio.service"
+    echo -e "  - systemctl restart skycore-audio.service"
+    echo -e "  - journalctl -u skycore-audio.service -f  (view logs)"
+}
+
 # Function to update SkyCore to the latest version
 update_skycore() {
     echo -e "${YELLOW}[⋯]${NC} Checking for latest SkyCore release..."
@@ -1551,6 +1691,11 @@ elif [[ "$1" == "video-storage-service" ]]; then
     shift
     setup_video_storage_service "$@"
 
+elif [[ "$1" == "audio-service" ]]; then
+    # Setup audio streaming service
+    shift
+    setup_audio_service "$@"
+
 elif [[ "$1" == "help" ]]; then
     echo "Available commands:"
     echo "  skycore cli       - Start the SkyCore CLI"
@@ -1568,8 +1713,9 @@ elif [[ "$1" == "help" ]]; then
     echo "  skycore install   - Install skycore to the system"
     echo "  skycore update    - Update skycore to the latest version"
     echo "  skycore tty-setup - Set up TTY device permission rules"
-    echo "  skycore video-service [path] - Set up video streaming service to run on boot"
-    echo "  skycore video-storage-service [output_dir] [ip] [segment_duration] [max_files] - Set up video storage service to run on boot"
+    echo "  skycore video-service [ip] [port] - Set up video streaming service to run on boot"
+    echo "  skycore video-storage-service [output_dir] [ip] - Set up video storage service to run on boot"
+    echo "  skycore audio-service [port] - Set up audio streaming service to run on boot"
     echo "  skycore utils     - Run utility commands"
     echo "    Available utilities:"
     echo "      boot_mmc      - Configure system to boot from SD card"
@@ -1602,8 +1748,9 @@ else
     echo "  skycore install   - Install skycore to the system"
     echo "  skycore update    - Update skycore to the latest version"
     echo "  skycore tty-setup - Set up TTY device permission rules"
-    echo "  skycore video-service [path] - Set up video streaming service to run on boot"
-    echo "  skycore video-storage-service [output_dir] [ip] [segment_duration] [max_files] - Set up video storage service to run on boot"
+    echo "  skycore video-service [ip] [port] - Set up video streaming service to run on boot"
+    echo "  skycore video-storage-service [output_dir] [ip] - Set up video storage service to run on boot"
+    echo "  skycore audio-service [port] - Set up audio streaming service to run on boot"
     echo "  skycore utils     - Run utility commands"
     echo "    Available utilities:"
     echo "      boot_mmc      - Configure system to boot from SD card"

installer/video_encoders/kill_old_gstreamers.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+# Kill Old GStreamer Processes Script
+# This script cleans up any running gst-launch processes that might be blocking audio/video devices
+
+echo "🧹 GStreamer Process Cleanup Script"
+echo "===================================="
+
+# Function to cleanup old GStreamer processes
+cleanup_old_processes() {
+    echo "🔍 Searching for running GStreamer processes..."
+
+    # Find and display all gst-launch processes
+    PROCESS_LIST=$(ps aux | grep gst-launch | grep -v grep)
+
+    if [ ! -z "$PROCESS_LIST" ]; then
+        echo "📋 Found running GStreamer processes:"
+        echo "$PROCESS_LIST"
+        echo ""
+
+        # Extract PIDs
+        OLD_PIDS=$(echo "$PROCESS_LIST" | awk '{print $2}')
+
+        echo "🔫 Terminating processes (SIGTERM): $OLD_PIDS"
+        echo $OLD_PIDS | xargs kill 2>/dev/null
+        sleep 3
+
+        # Check if any processes are still running
+        REMAINING_LIST=$(ps aux | grep gst-launch | grep -v grep)
+        if [ ! -z "$REMAINING_LIST" ]; then
+            REMAINING_PIDS=$(echo "$REMAINING_LIST" | awk '{print $2}')
+            echo "💀 Force killing remaining processes (SIGKILL): $REMAINING_PIDS"
+            echo $REMAINING_PIDS | xargs kill -9 2>/dev/null
+            sleep 1
+
+            # Final check
+            FINAL_CHECK=$(ps aux | grep gst-launch | grep -v grep)
+            if [ ! -z "$FINAL_CHECK" ]; then
+                echo "❌ Warning: Some processes may still be running:"
+                echo "$FINAL_CHECK"
+            else
+                echo "✅ All GStreamer processes successfully terminated"
+            fi
+        else
+            echo "✅ All GStreamer processes successfully terminated"
+        fi
+    else
+        echo "✅ No running GStreamer processes found"
+    fi
+
+    echo ""
+    echo "🎤 Audio devices should now be available"
+    echo "📹 Video pipeline resources freed"
+}
+
+# Run the cleanup
+cleanup_old_processes
+
+# Optional: Show available audio devices
+if command -v arecord &> /dev/null; then
+    echo ""
+    echo "🎵 Available audio capture devices:"
+    arecord -l | grep "card" | head -5
+fi
+
+echo ""
+echo "Done! 🎬"

installer/video_encoders/record_audio.sh

@@ -0,0 +1,85 @@
+#!/bin/bash
+
+# Simple audio recording script for testing ReSpeaker microphone
+# Usage: ./record_audio.sh [duration_in_seconds] [output_filename]
+
+# Default values
+DURATION=${1:-10}  # Default 10 seconds
+OUTPUT_FILE=${2:-"audio_test_$(date +%Y%m%d_%H%M%S).wav"}
+DEVICE="respeaker"
+
+echo "🎤 Audio Recording Test Script"
+echo "==============================="
+echo "Device: $DEVICE"
+echo "Duration: $DURATION seconds"
+echo "Output file: $OUTPUT_FILE"
+echo ""
+
+# Check if arecord is available
+if ! command -v arecord &> /dev/null; then
+    echo "❌ Error: arecord not found. Please install alsa-utils:"
+    echo "   sudo apt-get install alsa-utils"
+    exit 1
+fi
+
+# List available audio devices
+echo "📋 Available audio devices:"
+arecord -l
+echo ""
+
+# Try to find ReSpeaker device
+echo "🔍 Looking for ReSpeaker device..."
+CARD_NUMBER=$(arecord -l | grep -i respeaker | head -1 | sed 's/card \([0-9]\).*/\1/')
+
+if [ -z "$CARD_NUMBER" ]; then
+    echo "⚠️  Warning: No ReSpeaker device found in device list."
+    echo "   Available devices:"
+    arecord -l | grep "card"
+    echo ""
+    echo "   Please specify the correct card number manually or check device connection."
+    echo "   You can also try running with a specific device:"
+    echo "   arecord -D hw:CARD_NUMBER,0 -f S16_LE -r 16000 -c 6 -d $DURATION $OUTPUT_FILE"
+    exit 1
+else
+    echo "✅ Found ReSpeaker at card $CARD_NUMBER"
+fi
+
+# Record audio
+echo ""
+echo "🔴 Starting recording in 3 seconds..."
+echo "   Speak into your microphone to test it!"
+sleep 1
+echo "   3..."
+sleep 1
+echo "   2..."
+sleep 1
+echo "   1..."
+sleep 1
+echo "   🎙️  RECORDING NOW! (${DURATION}s)"
+
+# Record with specific parameters for ReSpeaker
+arecord -D hw:$CARD_NUMBER,0 \
+        -f S16_LE \
+        -r 16000 \
+        -c 6 \
+        -d $DURATION \
+        "$OUTPUT_FILE"
+
+if [ $? -eq 0 ]; then
+    echo ""
+    echo "✅ Recording completed successfully!"
+    echo "   File: $OUTPUT_FILE"
+    echo "   Size: $(ls -lh "$OUTPUT_FILE" | awk '{print $5}')"
+    echo ""
+    echo "🔊 To play back the recording:"
+    echo "   aplay $OUTPUT_FILE"
+    echo ""
+    echo "   Or with volume control:"
+    echo "   aplay $OUTPUT_FILE || paplay $OUTPUT_FILE"
+else
+    echo ""
+    echo "❌ Recording failed. Please check:"
+    echo "   1. ReSpeaker device is connected"
+    echo "   2. Device permissions (try with sudo if needed)"
+    echo "   3. Audio drivers are installed"
+fi