From d05ec56a64bba63dbb9bf0e8b9657736ee40adf1 Mon Sep 17 00:00:00 2001
From: Pinapelz <yukais@pinapelz.com>
Date: Sun, 10 Nov 2024 20:07:42 -0800
Subject: add line animations in as an option

---
 src/app/page.tsx | 1122 +++++++++++++++++++++++++++++-------------------------
 1 file changed, 600 insertions(+), 522 deletions(-)

(limited to 'src/app/page.tsx')

diff --git a/src/app/page.tsx b/src/app/page.tsx
index 3b23eca..3e8dfb6 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -10,559 +10,637 @@ import { Button } from "react-bootstrap";
 
 // Srtyled components
 const Root = styled.div`
-  position: absolute;
-  width: 100%;
-  height: 100%;
-  top: 0;
-  left: 0;
-  display: flex;
-  flex-direction: column;
-  align-items: center;
-  background-color: #f5f5f5;
+    position: absolute;
+    width: 100%;
+    height: 100%;
+    top: 0;
+    left: 0;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    background-color: #f5f5f5;
 `;
 
 const FileInputContainer = styled.div`
-  margin-bottom: 20px;
-  display: flex;
-  justify-content: center;
-  gap: 20px;
-  padding: 10px;
-  border-radius: 5px;
-  background-color: #ffffff;
-  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
+    margin-bottom: 20px;
+    display: flex;
+    justify-content: center;
+    gap: 20px;
+    padding: 10px;
+    border-radius: 5px;
+    background-color: #ffffff;
+    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
 `;
 
 const FileInput = styled.input`
-  padding: 10px 15px;
-  border-radius: 5px;
-  border: 1px solid #ddd;
-  justify-content: center;
-  cursor: pointer;
-  display: none;
-  font-family: Arial;
-  &:hover,
-  &:focus {
-    background-color: #eaeaea;
-    outline: none;
-  }
+    padding: 10px 15px;
+    border-radius: 5px;
+    border: 1px solid #ddd;
+    justify-content: center;
+    cursor: pointer;
+    display: none;
+    font-family: Arial;
+    &:hover,
+    &:focus {
+        background-color: #eaeaea;
+        outline: none;
+    }
 `;
 
 const FileInputLabel = styled.label`
-  padding: 10px 15px;
-  border-radius: 5px;
-  border: 1px solid #ddd;
-  cursor: pointer;
-  &:hover,
-  &:focus {
-    background-color: #eaeaea;
-    outline: none;
-  }
+    padding: 10px 15px;
+    border-radius: 5px;
+    border: 1px solid #ddd;
+    cursor: pointer;
+    &:hover,
+    &:focus {
+        background-color: #eaeaea;
+        outline: none;
+    }
 `;
 
 const ControlBarButton = styled.button`
-  padding: 10px 15px;
-  border-radius: 5px;
-  border: 1px solid #ddd;
-  align-items: center;
-  cursor: pointer;
-  &:hover,
-  &:focus {
-    background-color: #eaeaea;
-    outline: none;
-  }
+    padding: 10px 15px;
+    border-radius: 5px;
+    border: 1px solid #ddd;
+    align-items: center;
+    cursor: pointer;
+    &:hover,
+    &:focus {
+        background-color: #eaeaea;
+        outline: none;
+    }
 `;
 
 const StyledLink = styled.a`
-  font-size: 20px;
-  font-family: Arial;
-  text-decoration: none;
-  text-color: black;
-  &:hover {
-    text-decoration: underline;
-  }
+    font-size: 20px;
+    font-family: Arial;
+    text-decoration: none;
+    text-color: black;
+    &:hover {
+        text-decoration: underline;
+    }
 `;
 
 function KaraokePage() {
-  const [currentMillisecond, setCurrentMillisecond] = useState(0);
-  const [lrcContent, setLrcContent] = useState<string>("");
-  const [videoUrl, setVideoUrl] = useState<string>("");
-  const [supplementAudioUrl, setSupplementAudioUrl] = useState<string>("");
-  const [isPlaying, setIsPlaying] = useState<boolean>(false);
-  const [showVolume, setShowVolume] = useState<boolean>(false);
-  const [scrubValue, setScrubValue] = useState<number>(0);
-  const [showFileInputs, setShowFileInputs] = useState<boolean>(true);
-  const videoRef = useRef<HTMLVideoElement>(null);
-  const supplementAudioRef = useRef<HTMLAudioElement>(null);
-  const [captionsText, setCaptionsText] = useState<string>("");
-  const [offset, setOffset] = useState<number>(0);
-  const [dragOver, setDragOver] = useState<boolean>(false);
-  const [statusText, setStatusText] = useState<string>("No video selected");
-  const [balance, setBalance] = useState<number>(0);
-  const [supplementAudioOffset, setSupplementAudioOffset] = useState<number>(0);
-
-  // Functions for handling file input changes
-  const handleLrcFileChange = (event: React.ChangeEvent<HTMLInputElement>) => {
-    const file = event.target.files?.[0];
-    if (file) {
-      const reader = new FileReader();
-      reader.onload = (e) => {
-        setLrcContent(e.target?.result as string);
-        if (videoUrl) setShowFileInputs(false);
-      };
-      reader.readAsText(file);
-      toast.success("LRC file loaded successfully", { autoClose: 2000 });
-    }
-  };
-
-  const handleVideoFileChange = (
-    event: React.ChangeEvent<HTMLInputElement>
-  ) => {
-    const file = event.target.files?.[0];
-    if (file) {
-      const url = URL.createObjectURL(file);
-      setVideoUrl(url);
-      setCurrentMillisecond(0);
-      setScrubValue(0);
-      setIsPlaying(false);
-      toast.success("Video file loaded successfully", { autoClose: 2000 });
-    }
-  };
-
-  const handleSrvFileChange = (event: React.ChangeEvent<HTMLInputElement>) => {
-    const file = event.target.files?.[0];
-    if (file) {
-      const reader = new FileReader();
-      reader.onload = (e) => {
-        setCaptionsText(e.target?.result as string);
-      };
-      reader.readAsText(file);
-      toast.success("SRV file loaded successfully", { autoClose: 2000 });
-    }
-  };
-
-  const handleSupplementAudioFileChange = (
-    event: React.ChangeEvent<HTMLInputElement>
-  ) => {
-    const file = event.target.files?.[0];
-    const video = videoRef.current;
-    if (file) {
-      const url = URL.createObjectURL(file);
-      setSupplementAudioUrl(url);
-      setCurrentMillisecond(0);
-      setScrubValue(0);
-      setIsPlaying(false);
-      if (video)
-        video.pause();
-      toast.success("Supplemental Audio file loaded successfully", {
-        autoClose: 2000,
-      });
-    }
-  };
-
-  const handleOnClickDemoButton = (event: React.MouseEvent<HTMLAnchorElement, MouseEvent>) => {
-    event.preventDefault();
-    setOffset(-1550);
-    fetch("https://utfs.io/f/e2e18ea7-9841-437b-9ca3-5723355bd41a-rlck46.lrc")
-      .then(function (response) {
-        response.text().then(function (responseString) {
-          setLrcContent(responseString)
+    const [currentMillisecond, setCurrentMillisecond] = useState(0);
+    const [lrcContent, setLrcContent] = useState<string>("");
+    const [videoUrl, setVideoUrl] = useState<string>("");
+    const [supplementAudioUrl, setSupplementAudioUrl] = useState<string>("");
+    const [isPlaying, setIsPlaying] = useState<boolean>(false);
+    const [showVolume, setShowVolume] = useState<boolean>(false);
+    const [scrubValue, setScrubValue] = useState<number>(0);
+    const [showFileInputs, setShowFileInputs] = useState<boolean>(true);
+    const videoRef = useRef<HTMLVideoElement>(null);
+    const supplementAudioRef = useRef<HTMLAudioElement>(null);
+    const [captionsText, setCaptionsText] = useState<string>("");
+    const [offset, setOffset] = useState<number>(0);
+    const [dragOver, setDragOver] = useState<boolean>(false);
+    const [statusText, setStatusText] = useState<string>("No video selected");
+    const [balance, setBalance] = useState<number>(0);
+    const [animate, setAnimate] = useState<boolean>(true);
+    const [supplementAudioOffset, setSupplementAudioOffset] =
+        useState<number>(0);
+
+    // Functions for handling file input changes
+    const handleLrcFileChange = (
+        event: React.ChangeEvent<HTMLInputElement>,
+    ) => {
+        const file = event.target.files?.[0];
+        if (file) {
+            const reader = new FileReader();
+            reader.onload = (e) => {
+                setLrcContent(e.target?.result as string);
+                if (videoUrl) setShowFileInputs(false);
+            };
+            reader.readAsText(file);
+            toast.success("LRC file loaded successfully", { autoClose: 2000 });
+        }
+    };
+
+    const handleVideoFileChange = (
+        event: React.ChangeEvent<HTMLInputElement>,
+    ) => {
+        const file = event.target.files?.[0];
+        if (file) {
+            const url = URL.createObjectURL(file);
+            setVideoUrl(url);
+            setCurrentMillisecond(0);
+            setScrubValue(0);
+            setIsPlaying(false);
+            toast.success("Video file loaded successfully", {
+                autoClose: 2000,
+            });
+        }
+    };
+
+    const handleSrvFileChange = (
+        event: React.ChangeEvent<HTMLInputElement>,
+    ) => {
+        const file = event.target.files?.[0];
+        if (file) {
+            const reader = new FileReader();
+            reader.onload = (e) => {
+                setCaptionsText(e.target?.result as string);
+            };
+            reader.readAsText(file);
+            toast.success("SRV file loaded successfully", { autoClose: 2000 });
+        }
+    };
+
+    const handleSupplementAudioFileChange = (
+        event: React.ChangeEvent<HTMLInputElement>,
+    ) => {
+        const file = event.target.files?.[0];
+        const video = videoRef.current;
+        if (file) {
+            const url = URL.createObjectURL(file);
+            setSupplementAudioUrl(url);
+            setCurrentMillisecond(0);
+            setScrubValue(0);
+            setIsPlaying(false);
+            if (video) video.pause();
+            toast.success("Supplemental Audio file loaded successfully", {
+                autoClose: 2000,
+            });
+        }
+    };
+
+    const handleOnClickDemoButton = (
+        event: React.MouseEvent<HTMLAnchorElement, MouseEvent>,
+    ) => {
+        event.preventDefault();
+        setOffset(-1550);
+        fetch(
+            "https://utfs.io/f/e2e18ea7-9841-437b-9ca3-5723355bd41a-rlck46.lrc",
+        ).then(function (response) {
+            response.text().then(function (responseString) {
+                setLrcContent(responseString);
+            });
         });
-      })
-    setVideoUrl("https://utfs.io/f/84f5dfa6-821d-407f-a16d-a685b09c11d9-7xx2h4.webm")
-    toast.success("Loading Demo: Mr.Raindrop - Amplified")
-    toast.success("Applied offset of -1550ms")
-
-  }
-
-  // Side effects for keyboard shortcuts
-  useEffect(() => {
-    const handleKeyDown = (e: KeyboardEvent) => {
-      if (e.code === "Space") {
-        handlePlayPause();
-      }
-      if (e.code === "ArrowRight") {
-        if (document.activeElement?.tagName === "INPUT") return;
+        setVideoUrl(
+            "https://utfs.io/f/84f5dfa6-821d-407f-a16d-a685b09c11d9-7xx2h4.webm",
+        );
+        toast.success("Loading Demo: Mr.Raindrop - Amplified");
+        toast.success("Applied offset of -1550ms");
+    };
+
+    // Side effects for keyboard shortcuts
+    useEffect(() => {
+        const handleKeyDown = (e: KeyboardEvent) => {
+            if (e.code === "Space") {
+                handlePlayPause();
+            }
+            if (e.code === "ArrowRight") {
+                if (document.activeElement?.tagName === "INPUT") return;
+                const video = videoRef.current;
+                if (!video) return;
+                video.currentTime += 5;
+            }
+            if (e.code === "ArrowLeft") {
+                if (document.activeElement?.tagName === "INPUT") return;
+                const video = videoRef.current;
+                if (!video) return;
+                video.currentTime -= 5;
+            }
+        };
+        document.addEventListener("keydown", handleKeyDown);
+        return () => {
+            document.removeEventListener("keydown", handleKeyDown);
+        };
+    });
+
+    // Side effects for the video itself
+    useEffect(() => {
         const video = videoRef.current;
         if (!video) return;
-        video.currentTime += 5;
-      }
-      if (e.code === "ArrowLeft") {
-        if (document.activeElement?.tagName === "INPUT") return;
+        const syncLrcWithVideo = () => {
+            setCurrentMillisecond(video.currentTime * 1000 + offset); // updates lrc position
+            setScrubValue((video.currentTime / video.duration) * 100); // update playhead position
+        };
+        video.addEventListener("timeupdate", syncLrcWithVideo);
+
+        return () => {
+            video.removeEventListener("timeupdate", syncLrcWithVideo);
+        };
+    });
+
+    useEffect(() => {
+        const video = videoRef.current;
+        const audio = supplementAudioRef.current;
+        if (!video || !audio) return;
+
+        if (balance < 0) {
+            video.volume = 1 + balance;
+        } else {
+            video.volume = 1;
+            audio.volume = 1 - balance;
+        }
+    }, [balance]);
+
+    useEffect(() => {
+        const video = videoRef.current;
+        const audio = supplementAudioRef.current;
+        if (!video || !audio) return;
+        if (supplementAudioOffset === null || supplementAudioOffset == null)
+            return;
+        audio.currentTime = video.currentTime + supplementAudioOffset / 1000;
+    }, [supplementAudioOffset]);
+
+    // General video control functionality
+
+    const handleVolumeToggle = () => {
+        setShowVolume(!showVolume);
+    };
+
+    const handlePlayPause = () => {
         const video = videoRef.current;
         if (!video) return;
-        video.currentTime -= 5;
-      }
+
+        if (video.paused) {
+            video.play();
+            if (supplementAudioUrl) supplementAudioRef.current?.play();
+            setIsPlaying(true);
+        } else {
+            video.pause();
+            if (supplementAudioUrl) supplementAudioRef.current?.pause();
+            setIsPlaying(false);
+        }
     };
-    document.addEventListener("keydown", handleKeyDown);
-    return () => {
-      document.removeEventListener("keydown", handleKeyDown);
+
+    // Status text styling depending on whats loaded. Not all visible
+    useEffect(() => {
+        if (videoUrl && lrcContent) {
+            setStatusText("Ready to play!");
+        } else if (videoUrl) {
+            setStatusText("No lyrics file selected");
+        } else if (lrcContent) {
+            setStatusText("No video file selected");
+        } else {
+            setStatusText("No video or lyrics file selected");
+        }
+    }, [videoUrl, lrcContent]);
+
+    //  Video Control Bar functionality
+    const handleScrub = (event: React.ChangeEvent<HTMLInputElement>) => {
+        const time =
+            (parseFloat(event.target.value) / 100) * videoRef.current!.duration;
+        videoRef.current!.currentTime = time;
+        if (supplementAudioOffset === null || supplementAudioOffset == null) {
+            supplementAudioRef.current!.currentTime = time;
+        } else {
+            supplementAudioRef.current!.currentTime =
+                time + supplementAudioOffset / 1000;
+        }
+        setScrubValue(parseFloat(event.target.value));
     };
-  });
-
-  // Side effects for the video itself
-  useEffect(() => {
-    const video = videoRef.current;
-    if (!video) return;
-    const syncLrcWithVideo = () => {
-      setCurrentMillisecond(video.currentTime * 1000 + offset); // updates lrc position
-      setScrubValue((video.currentTime / video.duration) * 100); // update playhead position
+
+    const handleVideoEnded = () => {
+        setIsPlaying(false);
+        supplementAudioRef.current?.pause();
     };
-    video.addEventListener("timeupdate", syncLrcWithVideo);
 
-    return () => {
-      video.removeEventListener("timeupdate", syncLrcWithVideo);
+    const syncSupplementAudioWithVideo = () => {
+        const video = videoRef.current;
+        const audio = supplementAudioRef.current;
+        if (!video || !audio) return;
+        if (supplementAudioOffset === null || supplementAudioOffset == null)
+            return;
+        audio.currentTime = video.currentTime + supplementAudioOffset / 1000;
     };
-  });
-
-  useEffect(() => {
-    const video = videoRef.current;
-    const audio = supplementAudioRef.current;
-    if (!video || !audio) return;
-
-    if (balance < 0) {
-      video.volume = (1 + balance);
-    } else {
-      video.volume = 1;
-      audio.volume = (1 - balance);
-    }
-  }, [balance]);
-
-  useEffect(() => {
-    const video = videoRef.current;
-    const audio = supplementAudioRef.current;
-    if (!video || !audio) return;
-    if (supplementAudioOffset === null || supplementAudioOffset == null) return;
-    audio.currentTime = video.currentTime + supplementAudioOffset / 1000;
-  }, [supplementAudioOffset]);
-
-  // General video control functionality
-
-  const handleVolumeToggle = () => {
-    setShowVolume(!showVolume);
-  };
-
-  const handlePlayPause = () => {
-    const video = videoRef.current;
-    if (!video) return;
-
-    if (video.paused) {
-      video.play();
-      if (supplementAudioUrl) supplementAudioRef.current?.play();
-      setIsPlaying(true);
-    } else {
-      video.pause();
-      if (supplementAudioUrl) supplementAudioRef.current?.pause();
-      setIsPlaying(false);
-    }
-  };
-
-  // Status text styling depending on whats loaded. Not all visible
-  useEffect(() => {
-    if (videoUrl && lrcContent) {
-      setStatusText("Ready to play!");
-    } else if (videoUrl) {
-      setStatusText("No lyrics file selected");
-    } else if (lrcContent) {
-      setStatusText("No video file selected");
-    } else {
-      setStatusText("No video or lyrics file selected");
-    }
-  }, [videoUrl, lrcContent]);
-
-  //  Video Control Bar functionality
-  const handleScrub = (event: React.ChangeEvent<HTMLInputElement>) => {
-    const time =
-      (parseFloat(event.target.value) / 100) * videoRef.current!.duration;
-    videoRef.current!.currentTime = time;
-    if (supplementAudioOffset === null || supplementAudioOffset == null) {
-      supplementAudioRef.current!.currentTime = time;
-    }
-    else {
-      supplementAudioRef.current!.currentTime = time + supplementAudioOffset / 1000;
-    }
-    setScrubValue(parseFloat(event.target.value));
-  };
-
-
-  const handleVideoEnded = () => {
-    setIsPlaying(false);
-    supplementAudioRef.current?.pause();
-  };
-
-  const syncSupplementAudioWithVideo = () => {
-    const video = videoRef.current;
-    const audio = supplementAudioRef.current;
-    if (!video || !audio) return;
-    if (supplementAudioOffset === null || supplementAudioOffset == null) return;
-    audio.currentTime = video.currentTime + supplementAudioOffset / 1000;
-  }
-
-  // Handling drag and drop files
-  const handleDragOver = (event: React.DragEvent<HTMLDivElement>) => {
-    setDragOver(true);
-    event.preventDefault();
-  };
-
-  const handleDragEnter = (event: React.DragEvent<HTMLDivElement>) => {
-    setDragOver(true);
-    event.preventDefault();
-  };
-
-  const handleDragLeave = (event: React.DragEvent<HTMLDivElement>) => {
-    setDragOver(false);
-    event.preventDefault();
-  };
-
-  const handleDrop = (event: React.DragEvent<HTMLDivElement>) => {
-    event.preventDefault();
-    setDragOver(false);
-    const file = event.dataTransfer.files?.[0];
-    if (file.name.endsWith(".lrc")) {
-      const reader = new FileReader();
-      reader.onload = (e) => {
-        setLrcContent(e.target?.result as string);
-        if (videoUrl) setShowFileInputs(false);
-      };
-      reader.readAsText(file);
-      toast.success("LRC file loaded successfully", { autoClose: 2000 });
-    } else if (file.name.endsWith(".srv3")) {
-      const reader = new FileReader();
-      reader.onload = (e) => {
-        setCaptionsText(e.target?.result as string);
-      };
-      reader.readAsText(file);
-      toast.success("SRV file loaded successfully", { autoClose: 2000 });
-    } else if (file.type.startsWith("video") || file.type.startsWith("audio")) {
-      const url = URL.createObjectURL(file);
-      setVideoUrl(url);
-      setCurrentMillisecond(0);
-      setScrubValue(0);
-      setIsPlaying(false);
-      toast.success("Video/Audio file loaded successfully", {
-        autoClose: 2000,
-      });
-    } else {
-      toast.error("Unsupported file type", { autoClose: 2000 });
-    }
-  };
-
-  return (
-    <Root>
-      <ToastContainer />
-      {/*LRC viewer*/}
-      <div style={{ display: "flex", width: "100%", height: "100vh" }}>
-        <LRCPlayer
-          lrc={lrcContent}
-          currentMillisecond={currentMillisecond}
-        />
-
-        {/* Ternary operation for if videoUrl has been set */}
-        <div
-          style={{
-            flex: 1,
-            position: "relative",
-            backgroundColor: dragOver ? "lightblue" : "white",
-          }}
-          onMouseEnter={() => setShowFileInputs(true)}
-          onMouseLeave={() => setShowFileInputs(false)}
-          onDragOver={handleDragOver}
-          onDragEnter={handleDragEnter}
-          onDragLeave={handleDragLeave}
-          onDrop={handleDrop}
-        >
-          {videoUrl ? (
-            <>
-              <video
-                ref={videoRef}
-                src={videoUrl}
-                style={{ position: "absolute", width: "100%", height: "100%" }}
-                onEnded={handleVideoEnded}
-              />
-              <audio
-                ref={supplementAudioRef}
-                src={supplementAudioUrl}
-                style={{ display: "none" }}
-              />
-              <div
-                style={{ width: "90%", height: "90%", margin: "auto" }}
-                onClick={() => handlePlayPause()}
-              >
-                <CaptionsRenderer
-                  srv3={captionsText}
-                  currentTime={currentMillisecond / 1000}
+
+    // Handling drag and drop files
+    const handleDragOver = (event: React.DragEvent<HTMLDivElement>) => {
+        setDragOver(true);
+        event.preventDefault();
+    };
+
+    const handleDragEnter = (event: React.DragEvent<HTMLDivElement>) => {
+        setDragOver(true);
+        event.preventDefault();
+    };
+
+    const handleDragLeave = (event: React.DragEvent<HTMLDivElement>) => {
+        setDragOver(false);
+        event.preventDefault();
+    };
+
+    const handleDrop = (event: React.DragEvent<HTMLDivElement>) => {
+        event.preventDefault();
+        setDragOver(false);
+        const file = event.dataTransfer.files?.[0];
+        if (file.name.endsWith(".lrc")) {
+            const reader = new FileReader();
+            reader.onload = (e) => {
+                setLrcContent(e.target?.result as string);
+                if (videoUrl) setShowFileInputs(false);
+            };
+            reader.readAsText(file);
+            toast.success("LRC file loaded successfully", { autoClose: 2000 });
+        } else if (file.name.endsWith(".srv3")) {
+            const reader = new FileReader();
+            reader.onload = (e) => {
+                setCaptionsText(e.target?.result as string);
+            };
+            reader.readAsText(file);
+            toast.success("SRV file loaded successfully", { autoClose: 2000 });
+        } else if (
+            file.type.startsWith("video") ||
+            file.type.startsWith("audio")
+        ) {
+            const url = URL.createObjectURL(file);
+            setVideoUrl(url);
+            setCurrentMillisecond(0);
+            setScrubValue(0);
+            setIsPlaying(false);
+            toast.success("Video/Audio file loaded successfully", {
+                autoClose: 2000,
+            });
+        } else {
+            toast.error("Unsupported file type", { autoClose: 2000 });
+        }
+    };
+
+    return (
+        <Root>
+            <ToastContainer />
+            {/*LRC viewer*/}
+            <div style={{ display: "flex", width: "100%", height: "100vh" }}>
+                <LRCPlayer
+                    lrc={lrcContent}
+                    currentMillisecond={currentMillisecond}
+                    animate={animate}
                 />
-              </div>
-              {/*Video control bar*/}
-              <div
-                style={{
-                  position: "absolute",
-                  bottom: 0,
-                  left: 0,
-                  width: "100%",
-                  display: "flex",
-                  alignItems: "center",
-                  backgroundColor: "rgba(0, 0, 0, 0.5)",
-                  height: "50px",
-                }}
-              >
-                <button
-                  onClick={handlePlayPause}
-                  style={{
-                    width: "50px",
-                    height: "50px",
-                    padding: "10px",
-                    border: "none",
-                    borderRadius: "5px",
-                    backgroundColor: "white",
-                    color: "black",
-                  }}
+
+                {/* Ternary operation for if videoUrl has been set */}
+                <div
+                    style={{
+                        flex: 1,
+                        position: "relative",
+                        backgroundColor: dragOver ? "lightblue" : "white",
+                    }}
+                    onMouseEnter={() => setShowFileInputs(true)}
+                    onMouseLeave={() => setShowFileInputs(false)}
+                    onDragOver={handleDragOver}
+                    onDragEnter={handleDragEnter}
+                    onDragLeave={handleDragLeave}
+                    onDrop={handleDrop}
                 >
-                  {isPlaying ? <FaPause /> : <FaPlay />}
-                </button>
-                <input
-                  type="range"
-                  min="0"
-                  max="100"
-                  value={scrubValue}
-                  style={{ flex: 1, height: "50px", width: "100%" }}
-                  onInput={handleScrub}
-                />
-              </div>
-            </>
-          ) : (
-            <div
-              style={{
-                width: "100%",
-                height: "100%",
-                display: "flex",
-                justifyContent: "center",
-                alignItems: "center",
-                flexDirection: "column",
-              }}
-            >
-              <h1
-                style={{
-                  fontFamily: "Arial",
-                  fontWeight: "bold",
-                  fontSize: "32px",
-                }}
-              >
-                {statusText}
-              </h1>
-              {/* Show a placeholder while no video selected */}
-              <p
-                style={{
-                  fontSize: "30px",
-                  textAlign: "center",
-                  fontFamily: "Arial",
-                }}
-              >
-                Please select the video and lrc (lyrics) file <br />
-                (Drag and Drop them here, or use the menus below!)
-                <br />
-                <StyledLink href="/about"> About </StyledLink>
-                <StyledLink href="" onClick={handleOnClickDemoButton}> Demo </StyledLink>
-              </p>
+                    {videoUrl ? (
+                        <>
+                            <video
+                                ref={videoRef}
+                                src={videoUrl}
+                                style={{
+                                    position: "absolute",
+                                    width: "100%",
+                                    height: "100%",
+                                }}
+                                onEnded={handleVideoEnded}
+                            />
+                            <audio
+                                ref={supplementAudioRef}
+                                src={supplementAudioUrl}
+                                style={{ display: "none" }}
+                            />
+                            <div
+                                style={{
+                                    width: "90%",
+                                    height: "90%",
+                                    margin: "auto",
+                                }}
+                                onClick={() => handlePlayPause()}
+                            >
+                                <CaptionsRenderer
+                                    srv3={captionsText}
+                                    currentTime={currentMillisecond / 1000}
+                                />
+                            </div>
+                            {/*Video control bar*/}
+                            <div
+                                style={{
+                                    position: "absolute",
+                                    bottom: 0,
+                                    left: 0,
+                                    width: "100%",
+                                    display: "flex",
+                                    alignItems: "center",
+                                    backgroundColor: "rgba(0, 0, 0, 0.5)",
+                                    height: "50px",
+                                }}
+                            >
+                                <button
+                                    onClick={handlePlayPause}
+                                    style={{
+                                        width: "50px",
+                                        height: "50px",
+                                        padding: "10px",
+                                        border: "none",
+                                        borderRadius: "5px",
+                                        backgroundColor: "white",
+                                        color: "black",
+                                    }}
+                                >
+                                    {isPlaying ? <FaPause /> : <FaPlay />}
+                                </button>
+                                <input
+                                    type="range"
+                                    min="0"
+                                    max="100"
+                                    value={scrubValue}
+                                    style={{
+                                        flex: 1,
+                                        height: "50px",
+                                        width: "100%",
+                                    }}
+                                    onInput={handleScrub}
+                                />
+                            </div>
+                        </>
+                    ) : (
+                        <div
+                            style={{
+                                width: "100%",
+                                height: "100%",
+                                display: "flex",
+                                justifyContent: "center",
+                                alignItems: "center",
+                                flexDirection: "column",
+                            }}
+                        >
+                            <h1
+                                style={{
+                                    fontFamily: "Arial",
+                                    fontWeight: "bold",
+                                    fontSize: "32px",
+                                }}
+                            >
+                                {statusText}
+                            </h1>
+                            {/* Show a placeholder while no video selected */}
+                            <p
+                                style={{
+                                    fontSize: "30px",
+                                    textAlign: "center",
+                                    fontFamily: "Arial",
+                                }}
+                            >
+                                Please select the video and lrc (lyrics) file{" "}
+                                <br />
+                                (Drag and Drop them here, or use the menus
+                                below!) <br />
+                                <br />
+                                Chrome is recommended!
+                                <br />
+                                <StyledLink href="/about"> About </StyledLink>
+                                <StyledLink
+                                    href=""
+                                    onClick={handleOnClickDemoButton}
+                                >
+                                    {" "}
+                                    Demo{" "}
+                                </StyledLink>
+                            </p>
+                        </div>
+                    )}
+
+                    {/* File inputs, shown on hover over video div region*/}
+                    {showFileInputs && (
+                        <FileInputContainer
+                            style={{
+                                position: "absolute",
+                                bottom: "30px",
+                                left: 0,
+                            }}
+                        >
+                            <FileInputLabel
+                                htmlFor="lrcUpload"
+                                style={{ cursor: "pointer" }}
+                            >
+                                LRC
+                            </FileInputLabel>
+                            <FileInput
+                                id="lrcUpload"
+                                type="file"
+                                accept=".lrc"
+                                onChange={handleLrcFileChange}
+                            />
+                            <FileInputLabel
+                                htmlFor="videoUpload"
+                                style={{ cursor: "pointer" }}
+                            >
+                                Media
+                            </FileInputLabel>
+                            <FileInput
+                                id="videoUpload"
+                                type="file"
+                                accept="video/*,audio/*"
+                                onChange={handleVideoFileChange}
+                            />
+                            <FileInputLabel
+                                htmlFor="srvUpload"
+                                style={{ cursor: "pointer" }}
+                            >
+                                SRV
+                            </FileInputLabel>
+                            <FileInput
+                                id="srvUpload"
+                                type="file"
+                                accept=".srv3"
+                                onChange={handleSrvFileChange}
+                            />
+                            <FileInputLabel
+                                htmlFor="supplementAudioUpload"
+                                style={{ cursor: "pointer" }}
+                            >
+                                Audio #2
+                            </FileInputLabel>
+                            <FileInput
+                                id="supplementAudioUpload"
+                                type="file"
+                                accept="audio/*"
+                                onChange={handleSupplementAudioFileChange}
+                            />
+                            <ControlBarButton
+                                onClick={syncSupplementAudioWithVideo}
+                            >
+                                Sync Audio
+                            </ControlBarButton>
+                            <div
+                                style={{
+                                    display: "flex",
+                                    flexDirection: "column",
+                                    fontFamily: "Arial",
+                                }}
+                            >
+                                <label>Audio/Video Balance</label>
+                                <input
+                                    type="range"
+                                    min="-1"
+                                    max="1"
+                                    step="0.01"
+                                    value={balance}
+                                    onChange={(e) =>
+                                        setBalance(Number(e.target.value))
+                                    }
+                                />
+                                <label>Offset (±ms) </label>
+                                <input
+                                    type="number"
+                                    style={{ fontSize: "14px" }}
+                                    id="numberInput"
+                                    value={offset}
+                                    onChange={(e) =>
+                                        setOffset(Number(e.target.value))
+                                    }
+                                    step="25"
+                                />
+                            </div>
+                            <div
+                                style={{
+                                    display: "flex",
+                                    flexDirection: "column",
+                                    fontFamily: "Arial",
+                                }}
+                            >
+                                <label>Audio 2 Offset (±ms) </label>
+                                <input
+                                    type="number"
+                                    style={{ fontSize: "14px" }}
+                                    id="numberInput"
+                                    value={supplementAudioOffset}
+                                    onChange={(e) =>
+                                        setSupplementAudioOffset(
+                                            Number(e.target.value),
+                                        )
+                                    }
+                                    step="25"
+                                />
+                            </div>
+                            <label
+                                style={{
+                                    fontSize: "14px",
+                                    fontFamily: "Arial",
+                                    userSelect: "none",
+                                }}
+                            >
+                                <input
+                                    type="checkbox"
+                                    checked={animate}
+                                    onChange={(e) =>
+                                        setAnimate(e.target.checked)
+                                    }
+                                    onSelect={(e) => e.preventDefault()}
+                                    style={{ marginRight: "8px" }}
+                                />
+                                Line Animation
+                            </label>
+                        </FileInputContainer>
+                    )}
+                </div>
             </div>
-          )}
-
-          {/* File inputs, shown on hover over video div region*/}
-          {showFileInputs && (
-            <FileInputContainer
-              style={{ position: "absolute", bottom: "30px", left: 0 }}
-            >
-              <FileInputLabel htmlFor="lrcUpload" style={{ cursor: "pointer" }}>
-                LRC
-              </FileInputLabel>
-              <FileInput
-                id="lrcUpload"
-                type="file"
-                accept=".lrc"
-                onChange={handleLrcFileChange}
-              />
-              <FileInputLabel
-                htmlFor="videoUpload"
-                style={{ cursor: "pointer" }}
-              >
-                Media
-              </FileInputLabel>
-              <FileInput
-                id="videoUpload"
-                type="file"
-                accept="video/*,audio/*"
-                onChange={handleVideoFileChange}
-              />
-              <FileInputLabel htmlFor="srvUpload" style={{ cursor: "pointer" }}>
-                SRV
-              </FileInputLabel>
-              <FileInput
-                id="srvUpload"
-                type="file"
-                accept=".srv3"
-                onChange={handleSrvFileChange}
-              />
-              <FileInputLabel
-                htmlFor="supplementAudioUpload"
-                style={{ cursor: "pointer" }}
-              >
-                Audio #2
-              </FileInputLabel>
-              <FileInput
-                id="supplementAudioUpload"
-                type="file"
-                accept="audio/*"
-                onChange={handleSupplementAudioFileChange}
-              />
-              <ControlBarButton onClick={syncSupplementAudioWithVideo}>Sync Audio</ControlBarButton>
-              <div
-                style={{
-                  display: "flex",
-                  flexDirection: "column",
-                  fontFamily: "Arial",
-                }}
-              >
-                <label>Audio/Video Balance</label>
-                <input
-                  type="range"
-                  min="-1"
-                  max="1"
-                  step="0.01"
-                  value={balance}
-                  onChange={(e) => setBalance(Number(e.target.value))}
-                />
-                <label>Offset (±ms) </label>
-                <input
-                  type="number"
-                  style={{ fontSize: "14px" }}
-                  id="numberInput"
-                  value={offset}
-                  onChange={(e) => setOffset(Number(e.target.value))}
-                  step="25"
-                />
-              </div>
-              <div
-                style={{
-                  display: "flex",
-                  flexDirection: "column",
-                  fontFamily: "Arial",
-                }}
-              >
-                <label>Audio 2 Offset (±ms) </label>
-                <input
-                  type="number"
-                  style={{ fontSize: "14px" }}
-                  id="numberInput"
-                  value={supplementAudioOffset}
-                  onChange={(e) => setSupplementAudioOffset(Number(e.target.value))}
-                  step="25"
-                />
-              </div>
-            </FileInputContainer>
-          )}
-        </div>
-      </div>
-    </Root>
-  );
+        </Root>
+    );
 }
 
 export default KaraokePage;
-- 
cgit v1.2.3