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Ghost Rider Spirit Of Vengeance poster

Project walkthrough

Ghost Rider Spirit Of Vengeance

Explore the concept, hints, and starter code for this Nic Cage inspired build.

Project Title: “Ghost Rider: Spirit of Vengeance - High-Performance Media with WebCodecs API”

Level: Advanced (Secure context required: https:// or http://localhost)

Description:

In this project, we integrate the fiery and intense atmosphere of Ghost Rider: Spirit of Vengeance with the powerful capabilities of the WebCodecs API. Ghost Rider: Spirit of Vengeance follows Johnny Blaze as he harnesses his supernatural powers to fight evil. Similarly, this project will enable users to handle high-performance media encoding and decoding, providing a seamless media experience.

Features:

  1. Media Encoding and Decoding: Use the WebCodecs API to efficiently encode and decode video and audio data.
  2. Real-Time Media Processing: Implement real-time media processing for a smooth and responsive user experience.
  3. Thematic Design: Create a design inspired by the intense and fiery world of Ghost Rider: Spirit of Vengeance.

Starting Code:

Beginner Hints:

  • Create a single index.html file.
  • Copy the full HTML code block into that file.
  • Open index.html in your browser. If something doesn’t work, try a local server like python -m http.server.
  • Open DevTools Console to spot errors and typos quickly.

Here’s a basic setup to get you started. This includes the initial HTML, CSS, and JavaScript to integrate the WebCodecs API and create a high-performance media experience.

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Ghost Rider: Spirit of Vengeance - High-Performance Media</title>
<style>
    body {
        font-family: Arial, sans-serif;
        background-color: #111;
        color: #fff;
        text-align: center;
        padding: 20px;
    }

    h1 {
        color: #ff4500;
    }

    video {
        width: 80%;
        max-width: 800px;
        margin: 20px auto;
        display: block;
    }
</style>
</head>
<body>
    <h1>Ghost Rider: Spirit of Vengeance - High-Performance Media</h1>
    <p>Experience high-performance media handling with the WebCodecs API!</p>
    <button id="startButton">Run WebCodecs Demo</button>
    <canvas id="outputCanvas" width="320" height="180"></canvas>
    <div id="output"></div>
<script>
    async function initializeVideo() {
        const startButton = document.getElementById('startButton');
        const canvas = document.getElementById('outputCanvas');
        const output = document.getElementById('output');
        const ctx = canvas.getContext('2d');

        if (!('VideoDecoder' in window) || !('VideoEncoder' in window)) {
            output.innerText = 'WebCodecs API is not supported in this browser.';
            startButton.disabled = true;
            return;
        }

        const width = canvas.width;
        const height = canvas.height;
        const sourceCanvas = document.createElement('canvas');
        sourceCanvas.width = width;
        sourceCanvas.height = height;
        const sourceCtx = sourceCanvas.getContext('2d');

        const decoder = new VideoDecoder({
            output: frame => {
                ctx.drawImage(frame, 0, 0, width, height);
                frame.close();
            },
            error: err => {
                output.innerText = `Decode error: ${err.message}`;
            }
        });

        const encoder = new VideoEncoder({
            output: chunk => decoder.decode(chunk),
            error: err => {
                output.innerText = `Encode error: ${err.message}`;
            }
        });

        const config = { codec: 'vp8', width, height, bitrate: 500000, framerate: 30 };
        if (VideoEncoder.isConfigSupported) {
            const support = await VideoEncoder.isConfigSupported(config);
            if (!support.supported) {
                output.innerText = 'WebCodecs vp8 encoding is not supported in this browser.';
                startButton.disabled = true;
                return;
            }
        }

        encoder.configure(config);
        decoder.configure({ codec: 'vp8' });

        let frameIndex = 0;
        function encodeFrame() {
            const color = frameIndex % 2 === 0 ? '#ff4500' : '#111111';
            sourceCtx.fillStyle = color;
            sourceCtx.fillRect(0, 0, width, height);
            sourceCtx.fillStyle = '#ffffff';
            sourceCtx.font = '20px Arial, sans-serif';
            sourceCtx.fillText(`Frame ${frameIndex + 1}`, 10, 30);

            const frame = new VideoFrame(sourceCanvas, { timestamp: frameIndex * 33333 });
            encoder.encode(frame);
            frame.close();

            frameIndex += 1;
            if (frameIndex < 30) {
                requestAnimationFrame(encodeFrame);
            } else {
                output.innerText = 'Demo complete. WebCodecs encode/decode ran successfully.';
            }
        }

        startButton.addEventListener('click', () => {
            startButton.disabled = true;
            output.innerText = 'Running WebCodecs demo...';
            encodeFrame();
        });
    }

    document.addEventListener('DOMContentLoaded', initializeVideo);
</script>
</body>
</html>

References:

Praise Cage! Embark on this coding adventure and create an interactive media experience that leverages the WebCodecs API to handle high-performance media, inspired by the intense and fiery world of Ghost Rider: Spirit of Vengeance.