jory/root-virtualcam
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First decent version of the module

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This commit is contained in:
JorySeverijnse
2026-05-20 10:37:08 +02:00
parent a8fb9b3b9f
commit 6bdfeb68db
6 changed files with 68 additions and 79 deletions
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control.sh
Executable → Regular
+18 -20
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@@ -70,8 +70,18 @@ case "${1:-help}" in
status) status)
get_status_json get_status_json
;; ;;
stop)
log "stop: killing provider and feeder"
pkill -9 -f "/virtual_camera_provider" 2>/dev/null || true
pkill -9 -f "ffmpeg.*video0" 2>/dev/null || true
echo 1 > /data/local/tmp/virtualcam_disabled 2>/dev/null
log "stop: disabled flag set"
get_status_json
log "stop: done"
;;
start) start)
log "start: killing old provider" log "start: removing disable flag"
rm -f /data/local/tmp/virtualcam_disabled 2>/dev/null
pkill -9 -f "/virtual_camera_provider" 2>/dev/null || true pkill -9 -f "/virtual_camera_provider" 2>/dev/null || true
mkdir -p "$LIB_DST" 2>/dev/null mkdir -p "$LIB_DST" 2>/dev/null
cp "$MODDIR/vendor/lib64"/*.so "$LIB_DST/" 2>/dev/null cp "$MODDIR/vendor/lib64"/*.so "$LIB_DST/" 2>/dev/null
@@ -85,6 +95,7 @@ case "${1:-help}" in
restart) restart)
log "restart: killing provider" log "restart: killing provider"
pkill -9 -f "/virtual_camera_provider" 2>/dev/null || true pkill -9 -f "/virtual_camera_provider" 2>/dev/null || true
rm -f /data/local/tmp/virtualcam_disabled 2>/dev/null
sleep 2 sleep 2
mkdir -p "$LIB_DST" 2>/dev/null mkdir -p "$LIB_DST" 2>/dev/null
cp "$MODDIR/vendor/lib64"/*.so "$LIB_DST/" 2>/dev/null cp "$MODDIR/vendor/lib64"/*.so "$LIB_DST/" 2>/dev/null
@@ -95,13 +106,9 @@ case "${1:-help}" in
get_status_json get_status_json
log "restart: done" log "restart: done"
;; ;;
stop)
log "stop: killing provider"
pkill -9 -f "/virtual_camera_provider" 2>/dev/null || true
log "stop: done"
echo '{"status":"stopped"}'
;;
start_feeder) start_feeder)
log "start_feeder: removing feeder disable flag"
rm -f /data/local/tmp/virtualcam_feeder_disabled 2>/dev/null
log "start_feeder: loading config" log "start_feeder: loading config"
load_config load_config
pkill -9 -f "ffmpeg.*video0" 2>/dev/null || true pkill -9 -f "ffmpeg.*video0" 2>/dev/null || true
@@ -135,10 +142,11 @@ case "${1:-help}" in
echo '{"status":"feeder_started"}' echo '{"status":"feeder_started"}'
;; ;;
stop_feeder) 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 pkill -9 -f "ffmpeg.*video0" 2>/dev/null || true
echo 1 > /data/local/tmp/virtualcam_feeder_disabled 2>/dev/null
log "stop_feeder: done" log "stop_feeder: done"
echo '{"status":"feeder_stopped"}' get_status_json
;; ;;
get_config) get_config)
load_config load_config
@@ -170,17 +178,7 @@ case "${1:-help}" in
)\"" )\""
echo "}" echo "}"
;; ;;
device_info)
dumpsys media.camera 2>/dev/null > /data/local/tmp/cam_dump.txt 2>/dev/null
F0=$(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: $0 {status|start|stop|restart|start_feeder|stop_feeder|get_config|validate}"
;; ;;
esac esac
post-fs-data.sh
+1 -1
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@@ -39,7 +39,7 @@ cp "$MODDIR/vendor/bin/virtual_camera_provider" "$PROVIDER_DST" 2>/dev/null || t
chmod 755 "$PROVIDER_DST" 2>/dev/null || true chmod 755 "$PROVIDER_DST" 2>/dev/null || true
cp "$MODDIR/vendor/lib64"/*.so "$LIB_DST/" 2>/dev/null || true cp "$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 if [ -x "$PROVIDER_DST" ]; then
nohup env LD_LIBRARY_PATH="$LIB_DST" "$PROVIDER_DST" -d /dev/video0 -w 1920 -h 1080 -i virtual </dev/null >/dev/null 2>&1 & nohup env LD_LIBRARY_PATH="$LIB_DST" "$PROVIDER_DST" -d /dev/video0 -w 1920 -h 1080 -i virtual </dev/null >/dev/null 2>&1 &
echo "[$(date)] provider started" echo "[$(date)] provider started"
service.sh
+36 -33
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@@ -4,6 +4,7 @@ PROVIDER_DST="/data/local/tmp/virtual_camera_provider"
LIB_DST="/data/local/tmp/virtualcam_libs" LIB_DST="/data/local/tmp/virtualcam_libs"
BOOT_LOG="$MODDIR/boot.log" BOOT_LOG="$MODDIR/boot.log"
MODULE_PROP="$MODDIR/module.prop" MODULE_PROP="$MODDIR/module.prop"
DISABLE_FLAG="/data/local/tmp/virtualcam_disabled"
log() { log() {
echo "[$(date)] $*" >> "$BOOT_LOG" echo "[$(date)] $*" >> "$BOOT_LOG"
@@ -11,40 +12,44 @@ log() {
log "service.sh starting" 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 # Wait for boot to settle
sleep 30 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 if ! lsmod 2>/dev/null | grep -q v4l2loopback; then
log "service: loading v4l2loopback" log "service: loading v4l2loopback"
insmod "$MODDIR/v4l2loopback.ko" devices=2 video_nr=0,1 card_label="VirtualCam" exclusive_caps=0 2>/dev/null && \ insmod "$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" log "service: v4l2loopback loaded" || log "service: v4l2loopback load failed"
fi 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 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 sustain_framerate=1 >/dev/null 2>&1 || true
v4l2-ctl -d /dev/video0 -c timeout=0 >/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 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 "$DISABLE_FLAG" ]; then
if [ -f "/data/local/tmp/virtualcam_config.json" ]; then if [ -f "/data/local/tmp/virtualcam_config.json" ]; then
log "service: starting feeder before provider" log "service: starting feeder before provider"
/system/bin/sh "$MODDIR/control.sh" start_feeder >/dev/null 2>&1 /system/bin/sh "$MODDIR/control.sh" start_feeder >/dev/null 2>&1
fi fi
# Now start provider (feeder already writing, so mmap will succeed) if ! pgrep -f virtual_camera_provider >/dev/null 2>&1 && [ -x "$PROVIDER_DST" ]; then
if ! pgrep -f virtual_camera_provider >/dev/null 2>&1 && [ -x "$PROVIDER_DST" ]; then log "service: starting provider"
log "service: starting provider" nohup env LD_LIBRARY_PATH="$LIB_DST" "$PROVIDER_DST" \
nohup env LD_LIBRARY_PATH="$LIB_DST" "$PROVIDER_DST" \ -d /dev/video0 -w 1920 -h 1080 -i virtual \
-d /dev/video0 -w 1920 -h 1080 -i virtual \ </dev/null >/dev/null 2>&1 &
</dev/null >/dev/null 2>&1 & log "service: provider launched"
log "service: provider launched" fi
else
log "service: disabled flag exists, skipping auto-start"
fi fi
# Periodic watchdog + description update # Periodic watchdog + description update
@@ -54,7 +59,6 @@ while true; do
V4L2=$(lsmod 2>/dev/null | grep -q v4l2loopback && echo 1 || echo 0) 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) SVC=$(service list 2>/dev/null | grep -q "virtual/0" && echo 1 || echo 0)
# Determine status
if [ -n "$PROVIDER_PID" ] && [ "$SVC" = "1" ]; then if [ -n "$PROVIDER_PID" ] && [ "$SVC" = "1" ]; then
STATUS="active" STATUS="active"
elif [ -n "$PROVIDER_PID" ] || [ "$SVC" = "1" ]; then elif [ -n "$PROVIDER_PID" ] || [ "$SVC" = "1" ]; then
@@ -78,21 +82,21 @@ while true; do
fi fi
fi fi
# Restart provider if dead # Only auto-restart if not disabled
if [ -z "$PROVIDER_PID" ] && [ -x "$PROVIDER_DST" ]; then if [ ! -f "$DISABLE_FLAG" ] && [ ! -f "/data/local/tmp/virtualcam_feeder_disabled" ]; then
log "service: provider died, restarting" if [ -z "$FEEDER_PID" ] && [ -f "/data/local/tmp/virtualcam_config.json" ]; then
nohup env LD_LIBRARY_PATH="$LIB_DST" "$PROVIDER_DST" \ log "service: auto-starting feeder"
-d /dev/video0 -w 1920 -h 1080 -i virtual \ /system/bin/sh "$MODDIR/control.sh" start_feeder >/dev/null 2>&1
</dev/null >/dev/null 2>&1 & fi
fi fi
# Auto-start feeder if not running and config exists if [ -z "$FEEDER_PID" ] && [ -f "/data/local/tmp/virtualcam_config.json" ]; then
if [ -z "$FEEDER_PID" ] && [ -f "/data/local/tmp/virtualcam_config.json" ]; then log "service: auto-starting feeder"
log "service: auto-starting feeder" /system/bin/sh "$MODDIR/control.sh" start_feeder >/dev/null 2>&1
/system/bin/sh "$MODDIR/control.sh" start_feeder >/dev/null 2>&1 fi
fi fi
# Memory check: kill provider/feeder if RSS exceeds 512MB (safety limit) # Memory check
for pid in $PROVIDER_PID $FEEDER_PID; do for pid in $PROVIDER_PID $FEEDER_PID; do
[ -z "$pid" ] && continue [ -z "$pid" ] && continue
rss_kb=$(cat /proc/$pid/status 2>/dev/null | grep VmRSS | awk '{print $2}') rss_kb=$(cat /proc/$pid/status 2>/dev/null | grep VmRSS | awk '{print $2}')
@@ -102,14 +106,13 @@ while true; do
fi fi
done done
# Check if stock HAL came back and kill it # Kill stock HAL if it reappears
STOCK_PIDS=$(ps -A | grep -i "camera.provider" | grep -v "virtual_camera_provider" | awk '{print $1}') STOCK_PIDS=$(ps -A | grep -i "camera.provider" | grep -v "virtual_camera_provider" | awk '{print $1}')
if [ -n "$STOCK_PIDS" ]; then if [ -n "$STOCK_PIDS" ]; then
for pid in $STOCK_PIDS; do for pid in $STOCK_PIDS; do
log "service: killing stock HAL PID $pid" log "service: killing stock HAL PID $pid"
kill -9 "$pid" 2>/dev/null || true kill -9 "$pid" 2>/dev/null || true
done 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-2-7-google 2>/dev/null || true
setprop ctl.stop vendor.camera-provider-pixel 2>/dev/null || true setprop ctl.stop vendor.camera-provider-pixel 2>/dev/null || true
fi fi
vendor/bin/virtual_camera_provider
Vendored
BIN
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Binary file not shown.
webroot/index.html
-1
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@@ -19,6 +19,5 @@
<button id="btn-unfeed" class="btn danger">Stop Feeder</button> <button id="btn-unfeed" class="btn danger">Stop Feeder</button>
<button id="btn-refresh" class="btn">Refresh</button> <button id="btn-refresh" class="btn">Refresh</button>
</div></div> </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 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> </div><script src="script.js"></script></body></html>
webroot/script.js
+13 -24
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@@ -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 run(a){try{ksu.exec(CMD+' '+a);log(a+' OK','ok')}catch(e){log(a+' error: '+e.message,'err')}updateDash()}
function updateDash(){try{ function updateDash(){try{
const r=typeof ksu!=='undefined'?ksu.exec(CMD+' status'):null; 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 s=JSON.parse(r);
const d=document.getElementById('status-dash');if(!d)return; 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')} 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')}} }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-start')?.addEventListener('click',()=>run('start'));
document.getElementById('btn-stop')?.addEventListener('click',()=>run('stop')); document.getElementById('btn-stop')?.addEventListener('click',()=>run('stop'));
document.getElementById('btn-restart')?.addEventListener('click',()=>run('restart')); document.getElementById('btn-restart')?.addEventListener('click',()=>run('restart'));
document.getElementById('btn-feed')?.addEventListener('click',()=>run('start_feeder')); document.getElementById('btn-feed')?.addEventListener('click',()=>run('start_feeder'));
document.getElementById('btn-unfeed')?.addEventListener('click',()=>run('stop_feeder')); document.getElementById('btn-unfeed')?.addEventListener('click',()=>run('stop_feeder'));
document.getElementById('btn-refresh')?.addEventListener('click',updateDash);
document.getElementById('btn-save')?.addEventListener('click',()=>{ document.getElementById('btn-save')?.addEventListener('click',()=>{
const src=document.querySelector('.src-btn.active')?.dataset.src||'mp4'; 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}); 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"); ksu.exec("echo '"+json+"' > /data/local/tmp/virtualcam_config.json");
log('Config saved','ok'); 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(b=>b.addEventListener('click',()=>{
document.querySelectorAll('.src-btn').forEach(x=>x.classList.remove('active')); document.querySelectorAll('.src-btn').forEach(x=>x.classList.remove('active'));
b.classList.add('active'); b.classList.add('active');