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Runtime error
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <title>Webcam Stream</title> | |
| </head> | |
| <body> | |
| <h1>Webcam Stream</h1> | |
| <video id="video" width="640" height="480" autoplay></video> | |
| <img id="output" src="" alt="Processed Frame" /> | |
| <script> | |
| const video = document.getElementById('video'); | |
| const output = document.getElementById('output'); | |
| let frameCount = 0; | |
| // Access the webcam | |
| navigator.mediaDevices.getUserMedia({ video: true }) | |
| .then(stream => { | |
| video.srcObject = stream; | |
| setInterval(() => { | |
| frameCount++; | |
| // Only process every 3rd frame | |
| if (frameCount % 3 === 0) { | |
| const canvas = document.createElement('canvas'); | |
| canvas.width = 640; | |
| canvas.height = 480; | |
| const ctx = canvas.getContext('2d'); | |
| ctx.drawImage(video, 0, 0, canvas.width, canvas.height); | |
| canvas.toBlob(blob => { | |
| const formData = new FormData(); | |
| formData.append('frame', blob, 'frame.jpg'); | |
| // Send the frame to the Flask server | |
| fetch('/video_feed', { | |
| method: 'POST', | |
| body: formData | |
| }) | |
| .then(response => response.blob()) | |
| .then(imageBlob => { | |
| output.src = URL.createObjectURL(imageBlob); | |
| }); | |
| }, 'image/jpeg', 0.95); | |
| } | |
| }, 100); // Adjust interval as needed | |
| }) | |
| .catch(error => { | |
| console.error("Error accessing webcam: ", error); | |
| }); | |
| </script> | |
| </body> | |
| </html> | |