| <!DOCTYPE html> |
| <title>Start a MediaRecorder</title> |
| <html> |
| <body> |
| <canvas id="canvas" width="200px" height="200px"></canvas> |
| <script> |
| var context; |
| var recorder; |
| var video; |
| |
| function createVideoStream() { |
| const canvas = document.getElementById("canvas"); |
| context = canvas.getContext('2d'); |
| return canvas.captureStream(); |
| } |
| |
| function drawSomethingOnCanvas() { |
| context.fillStyle = "red"; |
| context.fillRect(0, 0, 10, 10); |
| } |
| |
| function prepareForTest() { |
| video = createVideoStream(); |
| recorder = new MediaRecorder(video); |
| } |
| </script> |
| </body> |
| </html> |
