timeout for record playback

src/screens/Playback/RecordPlayback.web.js

@@ -24,6 +24,9 @@ import { registerBlobUrl, releaseBlobUrl } from '../../utils/blobUrlCache'
 const TIME_BEFORE_INCREMENT_MS = 20000
 const COUNTDOWN_SECONDS = __DEV__ ? 1 : 10
 const WEB_PREVIEW_WIDTH = 360
+const MEDIA_BOOTSTRAP_DELAY_MS = 250
+const MEDIA_RETRY_DELAY_MS = 700
+const MEDIA_MAX_RETRIES = 2
 
 const toSeconds = (v) => {
   const n = Number(v ?? 0)
@@ -79,6 +82,9 @@ const RecordPlayback = ({ route }) => {
   const preserveRecordingForNextScreenRef = useRef(false)
   const originalLoopingValueRef = useRef({ hasValue: false, value: false })
   const latestLoopingValueRef = useRef(isLooping ?? false)
+  const mediaInitInFlightRef = useRef(false)
+  const mediaRetryTimerRef = useRef(null)
+  const mediaInitAttemptsRef = useRef(0)
   const [mediaReady, setMediaReady] = useState(false)
   const [mediaError, setMediaError] = useState(null)
 
@@ -127,6 +133,13 @@ const RecordPlayback = ({ route }) => {
     progressTimerRef.current = listenTimerRef.current = countdownTimerRef.current = null
   }
 
+  const clearMediaRetry = useCallback(() => {
+    if (mediaRetryTimerRef.current) {
+      clearTimeout(mediaRetryTimerRef.current)
+      mediaRetryTimerRef.current = null
+    }
+  }, [])
+
   const resetUI = () => {
     setIsPreparing(false)
     setIsRecording(false)
@@ -153,6 +166,102 @@ const RecordPlayback = ({ route }) => {
     preserveRecordingForNextScreenRef.current = false
   }, [])
 
+  const stopMediaStream = useCallback(() => {
+    if (mediaStreamRef.current) {
+      mediaStreamRef.current.getTracks().forEach((track) => track.stop())
+      mediaStreamRef.current = null
+    }
+  }, [])
+
+  const attachPreview = useCallback(() => {
+    const video = previewVideoRef.current
+    const stream = mediaStreamRef.current
+    if (!video || !stream) return false
+
+    try {
+      if (video.srcObject !== stream) {
+        video.srcObject = stream
+      }
+    } catch (e) { }
+
+    try {
+      const playPromise = video.play?.()
+      if (playPromise && typeof playPromise.catch === 'function') {
+        playPromise.catch(() => { })
+      }
+    } catch (e) { }
+
+    return true
+  }, [])
+
+  const ensureMediaStream = useCallback(
+    async ({ force = false } = {}) => {
+      if (!cameraPermission?.granted) return false
+      if (typeof navigator === 'undefined' || !navigator.mediaDevices?.getUserMedia) {
+        setMediaError(new Error("La capture vidéo n'est pas supportée sur ce navigateur"))
+        setMediaReady(false)
+        return false
+      }
+
+      if (mediaInitInFlightRef.current) return false
+
+      if (!force && mediaStreamRef.current) {
+        setMediaReady(true)
+        setMediaError(null)
+        attachPreview()
+        return true
+      }
+
+      mediaInitInFlightRef.current = true
+      try {
+        if (force && mediaStreamRef.current) {
+          stopMediaStream()
+        }
+        const stream = await navigator.mediaDevices.getUserMedia({
+          video: { facingMode: 'user' },
+          audio: false,
+        })
+        mediaStreamRef.current = stream
+        setMediaReady(true)
+        setMediaError(null)
+        mediaInitAttemptsRef.current = 0
+        attachPreview()
+        return true
+      } catch (e) {
+        setMediaError(e instanceof Error ? e : new Error(String(e || '')))
+        setMediaReady(false)
+        return false
+      } finally {
+        mediaInitInFlightRef.current = false
+      }
+    },
+    [attachPreview, cameraPermission?.granted, stopMediaStream]
+  )
+
+  const schedulePreviewRetry = useCallback(
+    function schedulePreviewRetry() {
+      clearMediaRetry()
+      if (mediaInitAttemptsRef.current >= MEDIA_MAX_RETRIES) return
+
+      mediaRetryTimerRef.current = setTimeout(async () => {
+        const video = previewVideoRef.current
+        const previewOk =
+          !!video &&
+          video.readyState >= 2 &&
+          video.videoWidth > 0 &&
+          video.videoHeight > 0 &&
+          !video.paused
+
+        if (previewOk) return
+
+        mediaInitAttemptsRef.current += 1
+        const ok = await ensureMediaStream({ force: true })
+        if (ok) schedulePreviewRetry()
+      }, MEDIA_RETRY_DELAY_MS)
+    },
+    [clearMediaRetry, ensureMediaStream]
+  )
+
   const startRecorder = useCallback(() => {
     if (!mediaStreamRef.current) {
       return false
@@ -330,45 +439,28 @@ const RecordPlayback = ({ route }) => {
   useEffect(() => {
     if (!cameraPermission?.granted) {
       setMediaReady(false)
-      return
-    }
-
-    if (mediaStreamRef.current) {
-      setMediaReady(true)
-      return
-    }
-
-    if (typeof navigator === 'undefined' || !navigator.mediaDevices?.getUserMedia) {
-      setMediaError(new Error("La capture vidéo n'est pas supportée sur ce navigateur"))
-      setMediaReady(false)
+      clearMediaRetry()
+      mediaInitAttemptsRef.current = 0
       return
     }
 
     let cancelled = false
-      ; (async () => {
-        try {
-          const stream = await navigator.mediaDevices.getUserMedia({
-            video: { facingMode: 'user' },
-            audio: false,
-          })
-          if (cancelled) {
-            stream.getTracks().forEach((track) => track.stop())
-            return
+
+    const boot = async () => {
+      const ok = await ensureMediaStream()
+      if (!cancelled && ok) {
+        schedulePreviewRetry()
       }
-          mediaStreamRef.current = stream
-          setMediaReady(true)
-          setMediaError(null)
-        } catch (e) {
-          if (cancelled) return
-          setMediaError(e instanceof Error ? e : new Error(String(e || '')))
-          setMediaReady(false)
     }
-      })()
+
+    const timeoutId = setTimeout(boot, MEDIA_BOOTSTRAP_DELAY_MS)
 
     return () => {
       cancelled = true
+      clearTimeout(timeoutId)
+      clearMediaRetry()
     }
-  }, [cameraPermission?.granted])
+  }, [cameraPermission?.granted, clearMediaRetry, ensureMediaStream, schedulePreviewRetry])
 
   useEffect(() => {
     const video = previewVideoRef.current
@@ -376,21 +468,35 @@ const RecordPlayback = ({ route }) => {
     if (!video) return
 
     if (stream) {
-      try {
-        if (video.srcObject !== stream) {
-          video.srcObject = stream
-        }
-        const playPromise = video.play?.()
-        if (playPromise && typeof playPromise.catch === 'function') {
-          playPromise.catch(() => { })
-        }
-      } catch (e) { }
+      attachPreview()
     } else {
       try {
         video.srcObject = null
       } catch { }
     }
-  }, [mediaReady, mediaError])
+  }, [attachPreview, mediaReady, mediaError])
+
+  useFocusEffect(
+    useCallback(() => {
+      let active = true
+      const timeoutId = setTimeout(() => {
+        if (!active) return
+        if (mediaStreamRef.current) {
+          attachPreview()
+          schedulePreviewRetry()
+          return
+        }
+        if (cameraPermission?.granted) {
+          void ensureMediaStream()
+        }
+      }, MEDIA_BOOTSTRAP_DELAY_MS)
+
+      return () => {
+        active = false
+        clearTimeout(timeoutId)
+      }
+    }, [attachPreview, cameraPermission?.granted, ensureMediaStream, schedulePreviewRetry])
+  )
 
   useEffect(() => {
     return () => {
@@ -399,15 +505,13 @@ const RecordPlayback = ({ route }) => {
           mediaRecorderRef.current.stop()
         }
       } catch { }
-      if (mediaStreamRef.current) {
-        mediaStreamRef.current.getTracks().forEach((track) => track.stop())
-        mediaStreamRef.current = null
-      }
+      stopMediaStream()
+      clearMediaRetry()
       if (!preserveRecordingForNextScreenRef.current) {
         releaseRecordingUrl()
       }
     }
-  }, [releaseRecordingUrl, preserveRecordingForNextScreenRef])
+  }, [clearMediaRetry, releaseRecordingUrl, preserveRecordingForNextScreenRef, stopMediaStream])
 
   const stopAndNavigate = useCallback(async () => {
     preserveRecordingForNextScreenRef.current = true
@@ -658,6 +762,15 @@ const RecordPlayback = ({ route }) => {
               transform: 'scaleX(-1)',
               backgroundColor: 'transparent',
             }}
+            onLoadedMetadata={(event) => {
+              try {
+                const video = event?.currentTarget
+                const playPromise = video?.play?.()
+                if (playPromise && typeof playPromise.catch === 'function') {
+                  playPromise.catch(() => { })
+                }
+              } catch { }
+            }}
           />
 
           {/* Overlay */}