| <!DOCTYPE html> |
| <title>Test VideoFrame drawImage() performance</title> |
| <script src="../resources/runner.js"></script> |
| |
| <canvas id="canvas" width="1280" height="720"></canvas> |
| |
| <script> |
| (async function() { |
| const config = { |
| codec: "avc1.64001f", |
| codedWidth: 1280, |
| codedHeight: 720 |
| }; |
| |
| const support = await VideoDecoder.isConfigSupported(config); |
| if (!support.supported) { |
| testRunner.notifyDone(); |
| return; |
| } |
| |
| const result = await fetch("resources/720p.h264"); |
| const buf = await result.arrayBuffer(); |
| const chunk = new EncodedVideoChunk({ |
| timestamp: 0, |
| type: "key", |
| data: buf |
| }); |
| |
| let frame = null; |
| const decoder = new VideoDecoder({ |
| output: f => frame = f, |
| error: e => PerfTestRunner.log("Decode error:" + e) |
| }); |
| decoder.configure(config); |
| decoder.decode(chunk); |
| await decoder.flush(); |
| |
| if (frame == null) { |
| PerfTestRunner.logFatalError("No frame decoded"); |
| return; |
| } |
| |
| const canvas = document.getElementById("canvas"); |
| const ctx = canvas.getContext("2d"); |
| |
| PerfTestRunner.measureInnerRAFTime({ |
| description: "CPU time for drawImage()", |
| run() { |
| for (let i = 0; i < 10; i++) { |
| ctx.drawImage(frame, 0, 0); |
| } |
| } |
| }); |
| })(); |
| </script> |
