First decent version of the module

control.sh

@@ -70,8 +70,18 @@ case "${1:-help}" in
     status)
         get_status_json
         ;;
+    stop)
+        log "stop: killing provider and feeder"
+        pkill -9 -f "/virtual_camera_provider" 2>/dev/null || true
+        pkill -9 -f "ffmpeg.*video0" 2>/dev/null || true
+        echo 1 > /data/local/tmp/virtualcam_disabled 2>/dev/null
+        log "stop: disabled flag set"
+        get_status_json
+        log "stop: done"
+        ;;
     start)
-        log "start: killing old provider"
+        log "start: removing disable flag"
+        rm -f /data/local/tmp/virtualcam_disabled 2>/dev/null
         pkill -9 -f "/virtual_camera_provider" 2>/dev/null || true
         mkdir -p "$LIB_DST" 2>/dev/null
         cp "$MODDIR/vendor/lib64"/*.so "$LIB_DST/" 2>/dev/null
@@ -85,6 +95,7 @@ case "${1:-help}" in
     restart)
         log "restart: killing provider"
         pkill -9 -f "/virtual_camera_provider" 2>/dev/null || true
+        rm -f /data/local/tmp/virtualcam_disabled 2>/dev/null
         sleep 2
         mkdir -p "$LIB_DST" 2>/dev/null
         cp "$MODDIR/vendor/lib64"/*.so "$LIB_DST/" 2>/dev/null
@@ -95,13 +106,9 @@ case "${1:-help}" in
         get_status_json
         log "restart: done"
         ;;
-    stop)
-        log "stop: killing provider"
-        pkill -9 -f "/virtual_camera_provider" 2>/dev/null || true
-        log "stop: done"
-        echo '{"status":"stopped"}'
-        ;;
     start_feeder)
+        log "start_feeder: removing feeder disable flag"
+        rm -f /data/local/tmp/virtualcam_feeder_disabled 2>/dev/null
         log "start_feeder: loading config"
         load_config
         pkill -9 -f "ffmpeg.*video0" 2>/dev/null || true
@@ -135,10 +142,11 @@ case "${1:-help}" in
         echo '{"status":"feeder_started"}'
         ;;
     stop_feeder)
-        log "stop_feeder: killing ffmpeg"
+        log "stop_feeder: killing ffmpeg and setting feeder disable flag"
         pkill -9 -f "ffmpeg.*video0" 2>/dev/null || true
+        echo 1 > /data/local/tmp/virtualcam_feeder_disabled 2>/dev/null
         log "stop_feeder: done"
-        echo '{"status":"feeder_stopped"}'
+        get_status_json
         ;;
     get_config)
         load_config
@@ -170,17 +178,7 @@ case "${1:-help}" in
         )\""
         echo "}"
         ;;
-    device_info)
-        dumpsys media.camera 2>/dev/null > /data/local/tmp/cam_dump.txt 2>/dev/null
-        F0=$(dumpsys media.camera 2>/dev/null | grep -A10 "virtual/0 (" | grep Facing | head -1)
-        F1=$(dumpsys media.camera 2>/dev/null | grep -A10 "virtual/1 (" | grep Facing | head -1)
-        L0=$(dumpsys media.camera 2>/dev/null | grep -A10 "virtual/0 (" | grep "FULL\|LEVEL" | head -1)
-        L1=$(dumpsys media.camera 2>/dev/null | grep -A10 "virtual/1 (" | grep "FULL\|LEVEL" | head -1)
-        echo "Camera0: Facing=$F0 Level=$L0"
-        echo "Camera1: Facing=$F1 Level=$L1"
-        echo "Full dump: /data/local/tmp/cam_dump.txt"
-        ;;
     *)
-        echo "Usage: $0 {status|start|stop|restart|start_feeder|stop_feeder|get_config|validate|device_info}"
+        echo "Usage: $0 {status|start|stop|restart|start_feeder|stop_feeder|get_config|validate}"
         ;;
 esac

post-fs-data.sh

@@ -39,7 +39,7 @@ cp "$MODDIR/vendor/bin/virtual_camera_provider" "$PROVIDER_DST" 2>/dev/null || t
 chmod 755 "$PROVIDER_DST" 2>/dev/null || true
 cp "$MODDIR/vendor/lib64"/*.so "$LIB_DST/" 2>/dev/null || true
 
-# Start provider in background (failure won't block boot)
+# Start provider in background (always at boot, disable flag is for runtime only)
 if [ -x "$PROVIDER_DST" ]; then
   nohup env LD_LIBRARY_PATH="$LIB_DST" "$PROVIDER_DST" -d /dev/video0 -w 1920 -h 1080 -i virtual </dev/null >/dev/null 2>&1 &
   echo "[$(date)] provider started"

service.sh

@@ -4,6 +4,7 @@ PROVIDER_DST="/data/local/tmp/virtual_camera_provider"
 LIB_DST="/data/local/tmp/virtualcam_libs"
 BOOT_LOG="$MODDIR/boot.log"
 MODULE_PROP="$MODDIR/module.prop"
+DISABLE_FLAG="/data/local/tmp/virtualcam_disabled"
 
 log() {
     echo "[$(date)] $*" >> "$BOOT_LOG"
@@ -11,34 +12,35 @@ log() {
 
 log "service.sh starting"
 
+# Clear any stale disable flag from a previous session
+# This ensures the module always starts fresh after boot
+rm -f /data/local/tmp/virtualcam_disabled
+
 # Wait for boot to settle
 sleep 30
 
-# Load v4l2loopback if not already loaded (safe here, boot is complete)
+# Load v4l2loopback if not already loaded
 if ! lsmod 2>/dev/null | grep -q v4l2loopback; then
     log "service: loading v4l2loopback"
     insmod "$MODDIR/v4l2loopback.ko" devices=2 video_nr=0,1 card_label="VirtualCam" exclusive_caps=0 2>/dev/null && \
         log "service: v4l2loopback loaded" || log "service: v4l2loopback load failed"
 fi
 
-# Configure v4l2loopback for seamless loop transitions:
+# Configure v4l2loopback
-# sustain_framerate=1 repeats the last written frame when the writer pauses
+sleep 2
-# timeout=0 prevents kernel from injecting black timeout images
-sleep 2  # Wait for device nodes to appear
 if [ -c /dev/video0 ]; then
     v4l2-ctl -d /dev/video0 -c sustain_framerate=1 >/dev/null 2>&1 || true
     v4l2-ctl -d /dev/video0 -c timeout=0 >/dev/null 2>&1 || true
-    log "service: v4l2loopback configured (sustain_framerate=1, timeout=0)"
+    log "service: v4l2loopback configured"
 fi
 
-# Start feeder FIRST so /dev/video0 has a format set before provider starts
+# Start feeder then provider at boot (unless disabled flag exists)
-# This prevents mmap EACCES in V4L2 reader
+if [ ! -f "$DISABLE_FLAG" ]; then
     if [ -f "/data/local/tmp/virtualcam_config.json" ]; then
         log "service: starting feeder before provider"
         /system/bin/sh "$MODDIR/control.sh" start_feeder >/dev/null 2>&1
     fi
 
-# Now start provider (feeder already writing, so mmap will succeed)
     if ! pgrep -f virtual_camera_provider >/dev/null 2>&1 && [ -x "$PROVIDER_DST" ]; then
         log "service: starting provider"
         nohup env LD_LIBRARY_PATH="$LIB_DST" "$PROVIDER_DST" \
@@ -46,6 +48,9 @@ if ! pgrep -f virtual_camera_provider >/dev/null 2>&1 && [ -x "$PROVIDER_DST" ];
             </dev/null >/dev/null 2>&1 &
         log "service: provider launched"
     fi
+else
+    log "service: disabled flag exists, skipping auto-start"
+fi
 
 # Periodic watchdog + description update
 while true; do
@@ -54,7 +59,6 @@ while true; do
     V4L2=$(lsmod 2>/dev/null | grep -q v4l2loopback && echo 1 || echo 0)
     SVC=$(service list 2>/dev/null | grep -q "virtual/0" && echo 1 || echo 0)
 
-    # Determine status
     if [ -n "$PROVIDER_PID" ] && [ "$SVC" = "1" ]; then
         STATUS="active"
     elif [ -n "$PROVIDER_PID" ] || [ "$SVC" = "1" ]; then
@@ -78,21 +82,21 @@ while true; do
         fi
     fi
 
-    # Restart provider if dead
+    # Only auto-restart if not disabled
-    if [ -z "$PROVIDER_PID" ] && [ -x "$PROVIDER_DST" ]; then
+    if [ ! -f "$DISABLE_FLAG" ] && [ ! -f "/data/local/tmp/virtualcam_feeder_disabled" ]; then
-        log "service: provider died, restarting"
-        nohup env LD_LIBRARY_PATH="$LIB_DST" "$PROVIDER_DST" \
-            -d /dev/video0 -w 1920 -h 1080 -i virtual \
-            </dev/null >/dev/null 2>&1 &
-    fi
-
-    # Auto-start feeder if not running and config exists
         if [ -z "$FEEDER_PID" ] && [ -f "/data/local/tmp/virtualcam_config.json" ]; then
             log "service: auto-starting feeder"
             /system/bin/sh "$MODDIR/control.sh" start_feeder >/dev/null 2>&1
         fi
+    fi
 
-    # Memory check: kill provider/feeder if RSS exceeds 512MB (safety limit)
+        if [ -z "$FEEDER_PID" ] && [ -f "/data/local/tmp/virtualcam_config.json" ]; then
+            log "service: auto-starting feeder"
+            /system/bin/sh "$MODDIR/control.sh" start_feeder >/dev/null 2>&1
+        fi
+    fi
+
+    # Memory check
     for pid in $PROVIDER_PID $FEEDER_PID; do
         [ -z "$pid" ] && continue
         rss_kb=$(cat /proc/$pid/status 2>/dev/null | grep VmRSS | awk '{print $2}')
@@ -102,14 +106,13 @@ while true; do
         fi
     done
 
-    # Check if stock HAL came back and kill it
+    # Kill stock HAL if it reappears
     STOCK_PIDS=$(ps -A | grep -i "camera.provider" | grep -v "virtual_camera_provider" | awk '{print $1}')
     if [ -n "$STOCK_PIDS" ]; then
         for pid in $STOCK_PIDS; do
             log "service: killing stock HAL PID $pid"
             kill -9 "$pid" 2>/dev/null || true
         done
-        # Try to stop the service via property if possible
         setprop ctl.stop vendor.camera-provider-2-7-google 2>/dev/null || true
         setprop ctl.stop vendor.camera-provider-pixel 2>/dev/null || true
     fi

webroot/index.html

@@ -19,6 +19,5 @@
 <button id="btn-unfeed" class="btn danger">Stop Feeder</button>
 <button id="btn-refresh" class="btn">Refresh</button>
 </div></div>
-<div class="card"><div class="card-title">Device Info <button id="btn-deviceinfo" class="btn-sm">Refresh</button></div><div id="device-info" class="device-info"><p class="muted">Tap Refresh to load</p></div></div>
 <div class="card"><div class="card-title">Log <span id="log-count" class="log-count"></span></div><div id="console" class="console"></div></div>
 </div><script src="script.js"></script></body></html>

webroot/script.js

@@ -4,45 +4,34 @@ function log(m,t){const e=document.getElementById('console');if(!e)return;const
 function run(a){try{ksu.exec(CMD+' '+a);log(a+' OK','ok')}catch(e){log(a+' error: '+e.message,'err')}updateDash()}
 function updateDash(){try{
   const r=typeof ksu!=='undefined'?ksu.exec(CMD+' status'):null;
-  if(!r||typeof r!=='string'){document.getElementById('status-dash').innerHTML='<div class="stat" style="grid-column:1/3;color:#f85149">No data</div>';return}
+  if(!r||typeof r!=='string'){document.getElementById('status-dash').innerHTML='<div style="grid-column:1/3;color:#f85149;text-align:center;padding:12px">No data</div>';return}
   const s=JSON.parse(r);
   const d=document.getElementById('status-dash');if(!d)return;
-  const sc=s.status==='active'?'green':(s.status==='partial'?'yellow':'red');
+  const colorMap={active:'green',partial:'yellow',stopped:'red',idle:'red'};
-  const st=s.status==='active'?'ACTIVE':(s.status==='partial'?'PARTIAL':'STOPPED');
+  const sc=colorMap[s.status]||'yellow';
-  let v=[];
+  const st=s.status.toUpperCase();
-  if(s.camera2_level) v=[['camera2','green',s.camera2_level],['Checks',s.checks&&s.checks.includes('provider_ok')?'green':'red',s.checks||'?']];
+   d.innerHTML=[['Status',sc,st],['Provider',s.provider_pid>0?'green':'red',s.provider_pid>0?'PID '+s.provider_pid:'Stopped'],['Feeder',s.feeder_pid>0?'green':'red',s.feeder_pid>0?'PID '+s.feeder_pid:'Stopped'],['Service',s.service_registered==1?'green':'red',s.service_registered==1?'Registered':'Missing'],['v4l2',s.v4l2_loaded==1?'green':'red',s.v4l2_loaded==1?'Loaded':'Missing'],['Device','yellow',s.video0||'N/A']].map(i=>`<div class="stat"><span class="l">${i[0]}</span><span class="v ${i[1]}">${i[2]}</span></div>`).join('');
-  d.innerHTML=[['Status',sc,st],['Provider',s.provider_pid>0?'green':'red',s.provider_pid>0?'PID '+s.provider_pid:'Stopped'],['Feeder',s.feeder_pid>0?'green':'red',s.feeder_pid>0?'PID '+s.feeder_pid:'Stopped'],['Service',s.service_registered==1?'green':'red',s.service_registered==1?'Registered':'Missing'],['v4l2',s.v4l2_loaded==1?'green':'red',s.v4l2_loaded==1?'Loaded':'Missing'],['Device','yellow',s.video0||'N/A'],...v].map(i=>`<div class="stat"><span class="l">${i[0]}</span><span class="v ${i[1]}">${i[2]}</span></div>`).join('');
+   document.getElementById('subtitle').textContent=s.status==='active'?'Physical cameras replaced':s.status==='partial'?'Starting up...':'Not running';
-  document.getElementById('subtitle').textContent=s.status==='active'?'Feeding video to /dev/video0':'Physical cameras NOT replaced';
+  // Toggle buttons based on state
+  document.getElementById('btn-start').style.display=s.provider_pid>0?'none':'block';
+  document.getElementById('btn-stop').style.display=s.provider_pid>0?'block':'none';
+  document.getElementById('btn-restart').style.display=s.provider_pid>0?'block':'none';
+  document.getElementById('btn-feed').style.display=s.feeder_pid>0?'none':'block';
+  document.getElementById('btn-unfeed').style.display=s.feeder_pid>0?'block':'none';
   if(s.status!==_ps||s.provider_pid!==_pp||s.feeder_pid!==_pf){_ps=s.status;_pp=s.provider_pid;_pf=s.feeder_pid;log('Status: '+st+' pid='+s.provider_pid+' feeder='+s.feeder_pid,'ok')}
 }catch(e){log('Dash error: '+e.message,'err')}}
-function loadDeviceInfo(){try{
-  const r=ksu.exec(CMD+' device_info');
-  document.getElementById('device-info').innerHTML=r?'<pre style="background:#0d1117;border:1px solid #30363d;border-radius:4px;padding:8px;font-size:10px;overflow-x:auto;white-space:pre-wrap">'+r.replace(/</g,'&lt;').replace(/>/g,'&gt;')+'</pre>':'<p class="muted">No data</p>';
-  log('Device info loaded','ok');
-}catch(e){log('DevInfo error: '+e.message,'err')}}
 document.getElementById('btn-start')?.addEventListener('click',()=>run('start'));
 document.getElementById('btn-stop')?.addEventListener('click',()=>run('stop'));
 document.getElementById('btn-restart')?.addEventListener('click',()=>run('restart'));
 document.getElementById('btn-feed')?.addEventListener('click',()=>run('start_feeder'));
 document.getElementById('btn-unfeed')?.addEventListener('click',()=>run('stop_feeder'));
+document.getElementById('btn-refresh')?.addEventListener('click',updateDash);
 document.getElementById('btn-save')?.addEventListener('click',()=>{
   const src=document.querySelector('.src-btn.active')?.dataset.src||'mp4';
   const json=JSON.stringify({source_type:src,rtsp_url:document.getElementById('rtsp-url').value,mp4_path:document.getElementById('mp4-path').value,res_w:parseInt(document.getElementById('res-w').value)||1920,res_h:parseInt(document.getElementById('res-h').value)||1080,fps:parseInt(document.getElementById('fps').value)||30,rotation:parseInt(document.getElementById('rotation').value)||0});
   ksu.exec("echo '"+json+"' > /data/local/tmp/virtualcam_config.json");
   log('Config saved','ok');
 });
-document.getElementById('btn-refresh')?.addEventListener('click',updateDash);
-document.getElementById('btn-deviceinfo')?.addEventListener('click',loadDeviceInfo);
-document.querySelectorAll('.src-btn').forEach(b=>b.addEventListener('click',()=>{
-  document.querySelectorAll('.src-btn').forEach(x=>x.classList.remove('active'));
-  b.classList.add('active');
-  document.getElementById('rtsp-config').classList.toggle('hidden',b.dataset.src!=='rtsp');
-  document.getElementById('mp4-config').classList.toggle('hidden',b.dataset.src!=='mp4');
-}));
-updateDash();
-setInterval(updateDash,5000);
-document.getElementById('btn-refresh')?.addEventListener('click',updateDash);
-document.getElementById('btn-deviceinfo')?.addEventListener('click',loadDeviceInfo);
 document.querySelectorAll('.src-btn').forEach(b=>b.addEventListener('click',()=>{
   document.querySelectorAll('.src-btn').forEach(x=>x.classList.remove('active'));
   b.classList.add('active');