omg...i have tried and need help here...
Hello all, its Jayson:
I understand multicamera api is not good enough to have two cameras that
are in two directions
so i need a solution to access "camera_concurrent" possibilities
My large plan:
combine front and back camera @ 720px by 720 px horizontally for 1440x720
output with recording
i have tried in app with kivy
i have tried with opencv
i have now tried with javascript?
i have the tools except concurrent camera right now....
Any help?
The Program i have started using for this is an npm server for https....
run with:
sudo node /var/www/webrtc-broadcast/server.js
my main file is in /var/www/webrtc-broadcasst/broadcasttwo2.html
here it is:
```
<!DOCTYPE html>
<html>
<head>
<title>Broadcaster</title>
<meta charset="UTF-8" />
</head>
<style>
body { background-color: cyan; }
</style>
<body>
<section class="select">
<label for="audioSource">Audio source: </label>
<select id="audioSource"></select>
</section>
<section class="select">
<label for="videoSource">Video source: </label>
<select id="videoSource"></select>
</section>
<section class="select">
<label for="audioSource2">Audio source: </label>
<select id="audioSource2"></select>
</section>
<section class="select">
<label for="videoSource2">Video source: </label>
<select id="videoSource2"></select>
</section>
<br></br>
<hr></hr>
<hr></hr>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
//<canvas id="canvas" height="720px" width="720px" controls playsinline
autoplay muted></canvas>
//<canvas id="canvas2" height="720px" width="720px" controls playsinline
autoplay muted></canvas>
<br>
<video id="videoInput" height="720px" width="720px" controls playsinline
autoplay muted></video>
<video id="videoInput2" height="720px" width="720px" controls playsinline
autoplay muted></video>
<br></br>
<hr></hr>
<canvas id="canvasOutput" width=1440 height=720></canvas>
<script src="/RecordRTC1.js"></script>
<script src="/RecordRTC2.js"></script>
<script src="/socket.io/socket.io.js"></script>
<script src="/broadcastone.js"></script>
<script src="/broadcasttwo.js"></script>
<script>
let src = new cv.Mat(video.height, video.width, cv.CV_8UC4);
let src2 = new cv.Mat(video2.height, video2.width, cv.CV_8UC4);
let dst = new cv.Mat(video.height, video.width(2), cv.CV_8UC1);
let cap = new cv.VideoCapture(video);
let cap2 = new cv.VideoCapture(video2);
const FPS = 30;
function processVideo() {
try {
if (!streaming) {
// clean and stop.
src.delete();
src2.delete();
dst.delete();
return;
}
let begin = Date.now();
// start processing.
cap.read(src);
cap2.read(src2);
cv.hconcat(src, src2, dst);
cv.imshow('canvasOutput', dst);
// schedule the next one.
let delay = 1000/FPS - (Date.now() - begin);
setTimeout(processVideo, delay);
} catch (err) {
utils.printError(err);
}
};
// schedule the first one.
setTimeout(processVideo, 0);
</script>
<script src="https://docs.opencv.org/3.4/utils.js";
type="text/javascript"></script>
<script type="text/javascript">
let utils = new Utils('errorMessage');
utils.loadCode('codeSnippet', 'codeEditor');
let streaming = false;
let videoInput = document.getElementById('videoInput');
let startAndStop = document.getElementById('startAndStop');
let canvasOutput = document.getElementById('canvasOutput');
let canvasContext = canvasOutput.getContext('2d');
startAndStop.addEventListener('click', () => {
if (!streaming) {
utils.clearError();
utils.startCamera('qvga', onVideoStarted, 'videoInput');
} else {
utils.stopCamera();
onVideoStopped();
}
});
function onVideoStarted() {
streaming = true;
startAndStop.innerText = 'Stop';
videoInput.width = videoInput.videoWidth;
videoInput.height = videoInput.videoHeight;
utils.executeCode('codeEditor');
}
function onVideoStopped() {
streaming = false;
canvasContext.clearRect(0, 0, canvasOutput.width, canvasOutput.height);
startAndStop.innerText = 'Start';
}
utils.loadOpenCv(() => {
startAndStop.removeAttribute('disabled');
});
</script>
</body>
</html>
```
NOW, can i add simultaneous front and back cameras? with JavaScript?
Thank you in advance for jumping in and reading.
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