### Install RecordRTC

Source: https://github.com/muaz-khan/recordrtc/wiki/RecordRTC-on-AngularJs

Installs the RecordRTC library using npm. This is the first step to integrate RecordRTC into your project.

```sh
npm install recordrtc
```

--------------------------------

### RecordRTC Extension Integration Example

Source: https://github.com/muaz-khan/recordrtc/blob/master/simple-demos/RecordRTC_Extension.html

Demonstrates how to use the RecordRTC Chrome Extension API to start and stop recordings. It includes checks for extension installation and handles the recording process with callbacks.

```JavaScript
if(typeof RecordRTC_Extension === 'undefined') { alert('RecordRTC chrome extension is either disabled or not installed.'); } // first step var recorder = new RecordRTC_Extension(); var video = document.querySelector('video'); function stopRecordingCallback(blob) { video.src = video.srcObject = null; video.src = URL.createObjectURL(blob); recorder = null; } document.getElementById('btn-start-recording').onclick = function() { this.disabled = true; // you can find list-of-options here: // https://github.com/muaz-khan/Chrome-Extensions/tree/master/screen-recording#getsupoortedformats var options = recorder.getSupoortedFormats()[document.getElementById('RecordRTC_Extension_Options').value]; // second step recorder.startRecording(options, function() { document.getElementById('btn-stop-recording').disabled = false; }); }; document.getElementById('btn-stop-recording').onclick = function() { this.disabled = true; // third and last step recorder.stopRecording(stopRecordingCallback); };
```

--------------------------------

### Install and Run RecordRTC-Nodejs

Source: https://github.com/muaz-khan/recordrtc/blob/master/RecordRTC-to-Nodejs/README.md

This snippet shows the basic steps to install the recordrtc-nodejs package and run the server. It involves creating a directory, installing dependencies, and starting the server.

```sh
mkdir node_modules
npm install recordrtc-nodejs

# to run it!
cd node_modules/recordrtc-nodejs/ 
mkdir node_modules

# install prerequisites
npm install
node server.js
```

--------------------------------

### RecordRTC Audio Recording Example in Angular

Source: https://github.com/muaz-khan/recordrtc/wiki/RecordRTC-on-AngularJs

Provides a comprehensive example of using RecordRTC within an Angular component to record audio. It includes methods for starting the recording with specified options (like MIME type and audio channels) and stopping the recording, with a callback to process the resulting audio blob.

```javascript
import { Component } from '@angular/core';
import * as RecordRTC from 'recordrtc';

@Component({
    selector: 'app-file',
    templateUrl: './file.component.html',
    styleUrls: ['./file.component.css']
})


export class FileDropComponent implements OnInit {
    var record;

    constructor() {}

    // Call this when you want to start recording
    start(stream) {
        var options = {
            mimeType: "audio/wav",
            numberOfAudioChannels: 1

        };

        var StereoAudioRecorder = RecordRTC.StereoAudioRecorder;
        this.record = new StereoAudioRecorder(stream, options);
        this.record.record();
    }

    // Call this when you want to stop recording
    stopRecording() {
        this.record.stop(this.process.bind(this));
    }

    process(blob) {
        // Do whatever  you got the blob
        console.log(URL.createObjectURL(blob));
    }
};

```

--------------------------------

### HTML Structure for RecordRTC

Source: https://github.com/muaz-khan/recordrtc/blob/master/RecordRTC-to-Nodejs/index.html

This HTML sets up the user interface for the RecordRTC to Node.js example. It includes elements for starting and stopping recording, a video player, a progress bar for uploads, and links to the source code.

```HTML
if (location.href.indexOf('file:') == 0) { document.write('<h1 style="color:red;">Please load this HTML file on HTTP or HTTPS.</h1>'); }
    html { background-color: #f7f7f7; }
    body { background-color: white; border: 1px solid rgb(15, 158, 238); margin: 1% 35%; text-align: center; }
    hr { border: 0; border-top: 1px solid rgb(15, 158, 238); }
    a { color: #2844FA; text-decoration: none; }
    a:hover, a:focus { color: #1B29A4; }
    a:active { color: #000; }
    audio, video { border: 1px solid rgb(15, 158, 238); width: 94%; }
    button[disabled], input[disabled] { background: rgba(216, 205, 205, 0.2); border: 1px solid rgb(233, 224, 224);}
```

--------------------------------

### RecordRTC StereoAudioRecorder Audio Capture

Source: https://github.com/muaz-khan/recordrtc/blob/master/simple-demos/ondataavailable-StereoAudioRecorder.html

This snippet demonstrates capturing audio from the microphone using RecordRTC and StereoAudioRecorder. It includes functions to start and stop recording, and a callback for handling available audio blobs.

```javascript
var audio = document.querySelector('audio');
var audioBlobsContainer = document.querySelector('#audio-blobs-container');

function capturemicrophone(callback) {
    navigator.mediaDevices.getUserMedia({ audio: true })
        .then(function(microphone) {
            callback(microphone);
        }).catch(function(error) {
            alert('Unable to capture your microphone. Please check console logs.');
            console.error(error);
        });
}

function stopRecordingCallback() {
    audio.src = audio.srcObject = null;
    recorder.microphone.stop();
    recorder = null;
}

var recorder;

document.getElementById('btn-start-recording').onclick = function() {
    this.disabled = true;
    capturemicrophone(function(microphone) {
        audio.srcObject = microphone;
        recorder = RecordRTC(microphone, {
            recorderType: StereoAudioRecorder,
            mimeType: 'audio/wav',
            timeSlice: parseInt(document.querySelector('#interval').value),
            ondataavailable: function(blob) {
                var audio = document.createElement('audio');
                audio.controls = true;
                audio.srcObject = null;
                audio.src = URL.createObjectURL(blob);
                audioBlobsContainer.appendChild(audio);
                audioBlobsContainer.appendChild(document.createElement('hr'));
            }
        });
        recorder.startRecording();
        recorder.microphone = microphone;
        document.getElementById('btn-stop-recording').disabled = false;
    });
};

document.getElementById('btn-stop-recording').onclick = function() {
    this.disabled = true;
    recorder.stopRecording(stopRecordingCallback);
};
```

```html
<select id="interval">
    <option>1000</option>
    <option>2000</option>
    <option>3000</option>
    <option>4000</option>
    <option>5000</option>
</select>

<button id="btn-start-recording">Start Recording</button>
<button id="btn-stop-recording" disabled>Stop Recording</button>

<div id="audio-blobs-container">
    <p>Audio Blobs Goes Here:</p>
</div>

<audio controls autoplay></audio>
```

```css
html, body { margin: 0!important; padding: 0!important; }
```

--------------------------------

### RecordRTC Video Recording Example

Source: https://github.com/muaz-khan/recordrtc/blob/master/test/html-test-files/video-recording-using-WhammyRecorder.html

This snippet demonstrates how to use RecordRTC to record a video stream. It initializes getUserMedia, sets up the RecordRTC recorder, starts recording, stops it after a delay, and displays the blob size. It also includes error handling for getUserMedia.

```javascript
window.onerror = console.log = console.error = console.warn = function() { document.getElementById('logs').innerHTML += ' =&gt; ' + JSON.stringify(arguments); };
navigator.getUserMedia = navigator.getUserMedia || navigator.mozGetUserMedia || navigator.webkitGetUserMedia;
navigator.getUserMedia({video: true}, function(stream) {
    document.getElementById('getUserMedia').innerHTML = 'success: ' + (stream.label || stream.id);
    var recorder = RecordRTC(stream, { type: 'video', recorderType: WhammyRecorder });
    recorder.onStateChanged = function(state) {
        document.getElementById('onStateChanged').innerHTML = state;
    };
    recorder.startRecording();
    setTimeout(function() {
        document.getElementById('logs').innerHTML += ' =&gt; before stopRecording.call()';
        recorder.stopRecording(function() {
            document.getElementById('logs').innerHTML += ' =&gt; stopRecording success';
            var blob = recorder.getBlob();
            document.getElementById('blobSize').innerHTML = bytesToSize(blob.size);
            stream.getVideoTracks().concat(stream.getAudioTracks()).forEach(function(track) {
                track.stop();
            });
            document.getElementById('isRecordingStopped').innerHTML = 'true';
        });
    }, 3000);
}, function(error) {
    document.getElementById('getUserMedia').innerHTML = 'failure: ' + (error.name || error.toString()) + ' =&gt; ' + JSON.stringify(error);
});

// Helper function to convert bytes to a human-readable format (assuming it's defined elsewhere)
// function bytesToSize(bytes) { ... }
```

--------------------------------

### Basic HTML Structure for RecordRTC Example

Source: https://github.com/muaz-khan/recordrtc/blob/master/simple-demos/raw-pcm.html

This HTML snippet provides the basic structure for the RecordRTC example, including audio element and buttons for starting and stopping the recording.

```html
<html>
<head>
    <title>RecordRTC - Process RAW PCM data</title>
</head>
<body>
    <audio controls autoplay></audio>
    <br>
    <button id="btn-start-recording">Start Recording</button>
    <button id="btn-stop-recording" disabled>Stop Recording</button>

    <script src="https://cdn.webrtc-experiment.com/RecordRTC.js"></script>
    <script src="https://cdn.webrtc-experiment.com/StereoAudioRecorder.js"></script>
    <script src="https://cdn.webrtc-experiment.com/MediaStreamRecorder.js"></script>
    <script src="https://cdn.webrtc-experiment.com/FileSaver.js"></script>
    <script src="https://cdn.webrtc-experiment.com/getScreenId.js"></script>

    <script>
        // JavaScript code will be here
    </script>
</body>
</html>
```

--------------------------------

### RecordRTC Audio Recording

Source: https://github.com/muaz-khan/recordrtc/blob/master/test/html-test-files/audio-recording-using-StereoAudioRecorder.html

This snippet shows the core logic for initializing RecordRTC, starting audio recording, handling state changes, stopping the recording, and processing the resulting audio blob. It includes error handling for getUserMedia.

```javascript
window.onerror = console.log = console.error = console.debug = console.warn = function() { document.getElementById('logs').innerHTML += ' =&gt; ' + JSON.stringify(arguments); };
navigator.getUserMedia = navigator.getUserMedia || navigator.mozGetUserMedia || navigator.webkitGetUserMedia;
navigator.getUserMedia({audio: true}, function(stream) {
    document.getElementById('getUserMedia').innerHTML = 'success: ' + (stream.label || stream.id);
    var recorder = RecordRTC(stream, { type: 'audio', recorderType: StereoAudioRecorder });
    recorder.onStateChanged = function(state) {
        document.getElementById('onStateChanged').innerHTML = state;
    };
    recorder.startRecording();
    setTimeout(function() {
        document.getElementById('logs').innerHTML += ' =&gt; before stopRecording.call()';
        recorder.stopRecording(function() {
            document.getElementById('logs').innerHTML += ' =&gt; stopRecording success';
            var blob = recorder.getBlob();
            document.getElementById('blobSize').innerHTML = bytesToSize(blob.size);
            stream.getVideoTracks().concat(stream.getAudioTracks()).forEach(function(track) {
                track.stop();
            });
            document.getElementById('isRecordingStopped').innerHTML = 'true';
        });
    }, 3000);
}, function(error) {
    document.getElementById('getUserMedia').innerHTML = 'failure: ' + (error.name || error.toString()) + ' =&gt; ' + JSON.stringify(error);
});
```

--------------------------------

### RecordRTC: Start and Stop Recording with Constraints

Source: https://github.com/muaz-khan/recordrtc/blob/master/simple-demos/pass-getUserMedia-constraints.html

This snippet shows how to initialize RecordRTC, capture media using getUserMedia with specified constraints (video resolution, audio), start recording, and stop recording, releasing the camera and cleaning up resources.

```javascript
var video = document.querySelector('video');

function stopRecordingCallback() {
  video.src = video.srcObject = null;
  video.src = URL.createObjectURL(recorder.getBlob());
  recorder.camera.stop();
  recorder.destroy();
  recorder = null;
}

var recorder; // globally accessible

document.getElementById('btn-start-recording').onclick = function() {
  this.disabled = true;
  var constraints = {
    video: {
      width: 360,
      height: 240
    },
    audio: true
    // recorderType: WhammyRecorder
  };

  navigator.mediaDevices.getUserMedia(constraints).then(function(camera) {
    video.srcObject = camera;
    recorder = RecordRTC(camera, constraints);
    recorder.startRecording();
    // release camera on stopRecording
    recorder.camera = camera;
    document.getElementById('btn-stop-recording').disabled = false;
  });
};

document.getElementById('btn-stop-recording').onclick = function() {
  this.disabled = true;
  recorder.stopRecording(stopRecordingCallback);
};
```

```html
<video id="video" autoplay=""></video>
<button id="btn-start-recording">Start Recording</button>
<button id="btn-stop-recording" disabled="">Stop Recording</button>
```

--------------------------------

### Install and Run RecordRTC over Socket.io

Source: https://github.com/muaz-khan/recordrtc/blob/master/RecordRTC-over-Socketio/README.md

Instructions for installing the recordrtc-socketio npm package and running the provided server script. It also specifies the default URL to access the application.

```sh
npm install recordrtc-socketio

cd ./node_modules/recordrtc-socketio/

# to run it!
node server.js

# now open:  http://localhost:9001
```

--------------------------------

### Initialize and Record with MRecordRTC

Source: https://github.com/muaz-khan/recordrtc/blob/master/MRecordRTC/index.html

Demonstrates how to initialize MRecordRTC, add a media stream, configure media types (audio, video, GIF), set MIME types, start recording, and stop recording to get a URL for playback.

```javascript
var recorder = new MRecordRTC();
recorder.addStream(MediaStream);
recorder.mediaType = {
   audio: true,
   video: true,
   gif: true
};
// mimeType is optional and should be set only in advance cases.
recorder.mimeType = {
    audio: 'audio/wav',
    video: 'video/webm',
    gif:   'image/gif'
};
recorder.startRecording();
recorder.stopRecording(function(url, type) {
    document.querySelector(type).src = url;
});
```

--------------------------------

### RecordRTC Video Recording Example

Source: https://github.com/muaz-khan/recordrtc/blob/master/test/html-test-files/video-recording.html

This snippet demonstrates how to use RecordRTC to record video and audio from the user's camera and microphone. It initializes the stream, starts recording for 3 seconds, stops the recording, retrieves the recorded blob, and updates the UI with the blob size and recording status. It also includes basic error handling for getUserMedia.

```javascript
window.onerror = console.log = console.error = console.debug = console.warn = function() { document.getElementById('logs').innerHTML += ' =&gt; ' + JSON.stringify(arguments); }; navigator.getUserMedia = navigator.getUserMedia || navigator.mozGetUserMedia || navigator.webkitGetUserMedia;
navigator.getUserMedia({audio: true, video: true}, function(stream) {
    document.getElementById('getUserMedia').innerHTML = 'success: ' + (stream.label || stream.id);
    var recorder = RecordRTC(stream, { type: 'video' });
    recorder.onStateChanged = function(state) {
        document.getElementById('onStateChanged').innerHTML = state;
    };
    recorder.startRecording();
    setTimeout(function() {
        document.getElementById('logs').innerHTML += ' =&gt; before stopRecording.call()';
        recorder.stopRecording(function() {
            document.getElementById('logs').innerHTML += ' =&gt; stopRecording success';
            var blob = recorder.getBlob();
            document.getElementById('blobSize').innerHTML = bytesToSize(blob.size);
            stream.getVideoTracks().concat(stream.getAudioTracks()).forEach(function(track) {
                track.stop();
            });
            document.getElementById('isRecordingStopped').innerHTML = 'true';
        });
    }, 3000);
}, function(error) {
    document.getElementById('getUserMedia').innerHTML = 'failure: ' + (error.name || error.toString()) + ' =&gt; ' + JSON.stringify(error);
});
```

--------------------------------

### RecordRTC Video Recording Example

Source: https://github.com/muaz-khan/recordrtc/blob/master/simple-demos/video-recording.html

This snippet shows the JavaScript code required to initialize and control video recording using RecordRTC. It captures media from the user's camera, starts recording, and stops it, then plays back the recorded video.

```javascript
var video = document.querySelector('video');

function captureCamera(callback) {
    navigator.mediaDevices.getUserMedia({ audio: true, video: true }).then(function(camera) {
        callback(camera);
    }).catch(function(error) {
        alert('Unable to capture your camera. Please check console logs.');
        console.error(error);
    });
}

function stopRecordingCallback() {
    video.src = video.srcObject = null;
    video.muted = false;
    video.volume = 1;
    video.src = URL.createObjectURL(recorder.getBlob());
    recorder.camera.stop();
    recorder.destroy();
    recorder = null;
}

var recorder;

document.getElementById('btn-start-recording').onclick = function() {
    this.disabled = true;
    captureCamera(function(camera) {
        video.muted = true;
        video.volume = 0;
        video.srcObject = camera;
        recorder = RecordRTC(camera, { type: 'video' });
        recorder.startRecording();
        recorder.camera = camera;
        document.getElementById('btn-stop-recording').disabled = false;
    });
};

document.getElementById('btn-stop-recording').onclick = function() {
    this.disabled = true;
    recorder.stopRecording(stopRecordingCallback);
};
```

--------------------------------

### HTML Structure for Audio Recording

Source: https://github.com/muaz-khan/recordrtc/blob/master/simple-demos/audio-recording.html

This snippet provides the basic HTML structure required for the RecordRTC audio recording example. It includes elements for controlling the recording process (start, stop, release, download) and an audio element to display the recorded audio.

```HTML
<html>
<head>
    <title>Audio Recording | RecordRTC</title>
    <style>
        html, body { margin: 0!important; padding: 0!important; }
    </style>
</head>
<body>
    <h1>Simple Audio Recording using RecordRTC</h1>
    <p>
        <button id="btn-start-recording">Start Recording</button>
        <button id="btn-stop-recording" disabled>Stop Recording</button>
        <button id="btn-release-microphone" disabled>Release Microphone</button>
        <button id="btn-download-recording" disabled>Download</button>
    </p>
    <audio controls autoplay id="audio-preview"></audio>
    <script src="https://cdn.webrtc-experiment.com/RecordRTC.js"></script>
    <script src="https://webrtc.github.io/adapter/adapter.js"></script>
    <script src="app.js"></script> 
</body>
</html>
```

--------------------------------

### RecordRTC: Start and Stop Recording

Source: https://github.com/muaz-khan/recordrtc/blob/master/index.html

Demonstrates the core functionality of RecordRTC to start and stop audio/video recordings. It includes handling media capture, setting up recording options, and managing the recording process.

```javascript
function stopStream() {
  if(button.stream && button.stream.stop) {
    button.stream.stop();
    button.stream = null;
  }
  if(button.stream instanceof Array) {
    button.stream.forEach(function(stream) {
      stream.stop();
    });
    button.stream = null;
  }
  videoBitsPerSecond = null;
  var html = 'Recording status: stopped';
  html += '<br>Size: ' + bytesToSize(button.recordRTC.getBlob().size);
  recordingPlayer.parentNode.parentNode.querySelector('h2').innerHTML = html;
}

if(!event) return;
button.disabled = true;
var commonConfig = {
  onMediaCaptured: function(stream) {
    button.stream = stream;
    if(button.mediaCapturedCallback) {
      button.mediaCapturedCallback();
    }
    button.innerHTML = 'Stop Recording';
    button.disabled = false;
    chkFixSeeking.parentNode.style.display = 'none';
  },
  onMediaStopped: function() {
    button.innerHTML = 'Start Recording';
    if(!button.disableStateWaiting) {
      button.disabled = false;
    }
    chkFixSeeking.parentNode.style.display = 'inline-block';
  },
  onMediaCapturingFailed: function(error) {
    console.error('onMediaCapturingFailed:', error);
    if(error.toString().indexOf('no audio or video tracks available') !== -1) {
      alert('RecordRTC failed to start because there are no audio or video tracks available.');
    }
    if(error.name === 'PermissionDeniedError' && DetectRTC.browser.name === 'Firefox') {
      alert('Firefox requires version >= 52. Firefox also requires HTTPs.');
    }
    commonConfig.onMediaStopped();
  }
};

if(recordingMedia.value === 'record-audio') {
  captureAudio(commonConfig);
  button.mediaCapturedCallback = function() {
    var options = {
      type: type,
      mimeType: mimeType,
      leftChannel: params.leftChannel || false,
      disableLogs: params.disableLogs || false
    };
    if(params.sampleRate) {
      options.sampleRate = parseInt(params.sampleRate);
    }
    if(params.bufferSize) {
      options.bufferSize = parseInt(params.bufferSize);
    }
    if(recorderType) {
      options.recorderType = recorderType;
    }
    if(videoBitsPerSecond) {
      options.videoBitsPerSecond = videoBitsPerSecond;
    }
    if(DetectRTC.browser.name === 'Edge') {
      options.numberOfAudioChannels = 1;
    }
    options.ignoreMutedMedia = false;
    button.recordRTC = RecordRTC(button.stream, opt
```

--------------------------------

### RecordRTC Chrome Extension for Screen and Audio Recording

Source: https://github.com/muaz-khan/recordrtc/wiki/Record-Multiple-Streams-Into-Single-File

Shows how to use the RecordRTC Chrome Extension API to record the screen, microphone, and speaker audio simultaneously. It includes starting the recording and handling the resulting blob.

```javascript
var recorder = new RecordRTC_Extension();

recorder.startRecording({
    enableScreen: true,
    enableMicrophone: true,
    enableSpeakers: true
});

btnStopRecording.onclick = function() {
    recorder.stopRecording(function(blob) {
        console.log(blob.size, blob);
        var url = URL.createObjectURL(blob);
        video.src = url;
    });
};
```

--------------------------------

### Install Dependencies for RecordRTC

Source: https://github.com/muaz-khan/recordrtc/blob/master/CONTRIBUTING.md

Installs necessary Node.js modules and Grunt CLI for development and code style verification.

```sh
mkdir node_modules
npm install --save-dev

# install grunt for code style verifications
npm install grunt-cli@0.1.13 -g

npm install grunt@0.4.5
npm install grunt-bump@0.7.0
npm install grunt-cli@0.1.13
npm install grunt-contrib-clean@0.6.0
npm install grunt-contrib-concat@0.5.1
npm install grunt-contrib-copy@0.8.2
npm install grunt-contrib-uglify@0.11.0
npm install grunt-contrib-watch@1.1.0
npm install grunt-jsbeautifier@0.2.10
npm install grunt-replace@0.11.0
npm install load-grunt-tasks@3.4.0
```

--------------------------------

### Audio Recording with RecordRTC

Source: https://github.com/muaz-khan/recordrtc/blob/master/simple-demos/audio-recording.html

This snippet shows the core JavaScript logic for capturing audio using the microphone, initializing RecordRTC, handling recording start and stop events, and managing the audio playback and download.

```JavaScript
var audio = document.querySelector('audio');

function captureMicrophone(callback) {
    btnReleaseMicrophone.disabled = false;
    if(microphone) {
        callback(microphone);
        return;
    }
    if(typeof navigator.mediaDevices === 'undefined' || !navigator.mediaDevices.getUserMedia) {
        alert('This browser does not supports WebRTC getUserMedia API.');
        if(!!navigator.getUserMedia) {
            alert('This browser seems supporting deprecated getUserMedia API.');
        }
    }
    navigator.mediaDevices.getUserMedia({ audio: isEdge ? true : { echoCancellation: false } }).then(function(mic) {
        callback(mic);
    }).catch(function(error) {
        alert('Unable to capture your microphone. Please check console logs.');
        console.error(error);
    });
}

function replaceAudio(src) {
    var newAudio = document.createElement('audio');
    newAudio.controls = true;
    newAudio.autoplay = true;
    if(src) {
        newAudio.src = src;
    }
    var parentNode = audio.parentNode;
    parentNode.innerHTML = '';
    parentNode.appendChild(newAudio);
    audio = newAudio;
}

function stopRecordingCallback() {
    replaceAudio(URL.createObjectURL(recorder.getBlob()));
    btnStartRecording.disabled = false;
    setTimeout(function() {
        if(!audio.paused) return;
        setTimeout(function() {
            if(!audio.paused) return;
            audio.play();
        }, 1000);
        audio.play();
    }, 300);
    audio.play();
    btnDownloadRecording.disabled = false;
    if(isSafari) {
        click(btnReleaseMicrophone);
    }
}

var isEdge = navigator.userAgent.indexOf('Edge') !== -1 && (!!navigator.msSaveOrOpenBlob || !!navigator.msSaveBlob);
var isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
var recorder;
var microphone;
var btnStartRecording = document.getElementById('btn-start-recording');
var btnStopRecording = document.getElementById('btn-stop-recording');
var btnReleaseMicrophone = document.querySelector('#btn-release-microphone');
var btnDownloadRecording = document.getElementById('btn-download-recording');

btnStartRecording.onclick = function() {
    this.disabled = true;
    this.style.border = '';
    this.style.fontSize = '';
    if (!microphone) {
        captureMicrophone(function(mic) {
            microphone = mic;
            if(isSafari) {
                replaceAudio();
                audio.muted = true;
                audio.srcObject = microphone;
                btnStartRecording.disabled = false;
                btnStartRecording.style.border = '1px solid red';
                btnStartRecording.style.fontSize = '150%';
                alert('Please click startRecording button again. First time we tried to access your microphone. Now we will record it.');
                return;
            }
            click(btnStartRecording);
        });
        return;
    }
    replaceAudio();
    audio.muted = true;
    audio.srcObject = microphone;
    var options = {
        type: 'audio',
        numberOfAudioChannels: isEdge ? 1 : 2,
        checkForInactiveTracks: true,
        bufferSize: 16384
    };
    if(isSafari || isEdge) {
        options.recorderType = StereoAudioRecorder;
    }
    if(navigator.platform && navigator.platform.toString().toLowerCase().indexOf('win') === -1) {
        options.sampleRate = 48000;
    }
    if(isSafari) {
        options.sampleRate = 44100;
        options.bufferSize = 4096;
        options.numberOfAudioChannels = 2;
    }
    if(recorder) {
        recorder.destroy();
        recorder = null;
    }
    recorder = RecordRTC(microphone, options);
    recorder.startRecording();
    btnStopRecording.disabled = false;
    btnDownloadRecording.disabled = true;
};

btnStopRecording.onclick = function() {
    this.disabled = true;
    recorder.stopRecording(stopRecordingCallback);
};

btnReleaseMicrophone.onclick = function() {
    this.disabled = true;
    btnStartRecording.disabled = false;
    if(microphone) {
        microphone.stop();
        microphone = null;
    }
    if(recorder) {
        // click(btnStopRecording);
    }
};

btnDownloadRecording.onclick = function() {
    this.disabled = true;
    if(!recorder || !recorder.getBlob()) return;
    if(isSafari) {
        recorder.getDataURL(function(dataURL) {
            SaveToDisk(dataURL, getFileName('mp3'));
        });
        return;
    }
    var blob = recorder.getBlob();
    var file = new File([blob], getFileName('mp3'), { type: 'audio/mp3' });
    invokeSaveAsDialog(file);
};

function click(el) {
    el.disabled = false;
    var evt = document.createEvent('Event');
    evt.initEvent('click', true, true);
    el.dispatchEvent(evt);
}

function getRandomString() {
    if (window.crypto && window.crypto.getRandomValues && navigator.userAgent.indexOf('Safari') === -1) {
        var a = window.crypto.getRandomValues(new Uint32Array(3)), token = '';
        for (var i = 0, l = a.length; i < l; i++) {
            token += a[i].toString(36);
        }
        return token;
    } else {
        return (Math.random() * new Date().getTime()).toString(36).replace(/\./g, '');
    }
}

function getFileName(fileExtension) {
    var d = new Date();
    var year = d.getFullYear();
    var month = d.getMonth();
    var date = d.getDate();
    return 'RecordRTC-' + year + month + date + '-' + getRandomString() + '.' + fileExtension;
}

function SaveToDisk(fileURL, fileName) {
    if (!window.ActiveXObject) {
        var save = document.cr
```

--------------------------------

### RecordRTC Initialization and Control

Source: https://github.com/muaz-khan/recordrtc/blob/master/simple-demos/destroy.html

This snippet demonstrates the core functionality of RecordRTC, including capturing the camera, initializing the recorder, handling data availability, and managing the start, stop, and destroy actions.

```javascript
var video = document.querySelector('video');

function captureCamera(callback) {
  navigator.mediaDevices.getUserMedia({ audio: true, video: true })
    .then(function(camera) {
      callback(camera);
    })
    .catch(function(error) {
      alert('Unable to capture your camera. Please check console logs.');
      console.error(error);
    });
}

function stopRecordingCallback() {
  video.src = video.srcObject = null;
  var blob = new File(blobs, 'video.webm', { type: 'video/webm' });
  video.src = URL.createObjectURL(blob);
  document.getElementById('btn-destroy-recording').click();
}

var recorder;
var blobs = [];

document.getElementById('btn-start-recording').onclick = function() {
  this.disabled = true;
  captureCamera(function(camera) {
    video.srcObject = camera;
    recorder = RecordRTC(camera, {
      recorderType: MediaStreamRecorder,
      mimeType: 'video/webm',
      timeSlice: 1000,
      ondataavailable: function(blob) {
        blobs.push(blob);
        var size = 0;
        blobs.forEach(function(b) {
          size += b.size;
        });
        h1.innerHTML = 'Total blobs: ' + blobs.length + ' (Total size: ' + bytesToSize(size) + ')';
      }
    });
    recorder.camera = camera;
    document.getElementById('btn-stop-recording').disabled = false;
    document.getElementById('btn-destroy-recording').disabled = false;
  });
};

document.getElementById('btn-stop-recording').onclick = function() {
  this.disabled = true;
  recorder.stopRecording(stopRecordingCallback);
};

document.getElementById('btn-destroy-recording').onclick = function() {
  this.disabled = true;
  recorder.destroy();
  recorder.camera.stop();
  recorder = null;
  document.getElementById('btn-stop-recording').disabled = true;
  document.getElementById('btn-start-recording').disabled = false;
};
```

--------------------------------

### Get Microphone and MP3 Stream

Source: https://github.com/muaz-khan/recordrtc/blob/master/Canvas-Recording/Canvas-Animation-Recording-Plus-Microphone-Plus-Mp3.html

This function attempts to get both the microphone stream and an MP3 stream. It calls `getMp3Stream` and then `getMicrophone`, passing the streams to a callback function. The provided code is incomplete, showing only the initial setup.

```javascript
function getMicrophoneAndMp3(callback) { getMp3Stream(function(mp3Stream) { getMicrophone(function(microphoneStream) { var audio = document.create
```

--------------------------------

### Basic HTML Structure for Video Recording

Source: https://github.com/muaz-khan/recordrtc/blob/master/simple-demos/onTimeStamp.html

Provides the essential HTML elements for the video display and recording control buttons (Start, Stop, Pause).

```html
<video controls autoplay playsinline></video>

<button id="btn-start-recording">Start Recording</button>
<button id="btn-stop-recording" disabled>Stop Recording</button>
<button id="btn-pause-recording" disabled>Pause Recording</button>

<h1></h1>
```

--------------------------------

### Import RecordRTC in Angular Component

Source: https://github.com/muaz-khan/recordrtc/wiki/RecordRTC-on-AngularJs

Demonstrates how to import the RecordRTC library into an Angular component. It shows the necessary import statement for using RecordRTC functionalities.

```javascript
import * as RecordRTC from 'recordrtc';
```

--------------------------------

### JavaScript Example for Reusing RecordRTC Instance

Source: https://github.com/muaz-khan/recordrtc/blob/master/simple-demos/reuse-same-instance.html

This JavaScript code snippet shows how to capture camera input using `navigator.mediaDevices.getUserMedia`, initialize RecordRTC with the camera stream, and manage recording start/stop events. It also handles displaying the recorded video and resetting the stream.

```javascript
var video = document.querySelector('video');

function captureCamera(callback) {
    navigator.mediaDevices.getUserMedia({ audio: true, video: true }).then(function(camera) {
        callback(camera);
    }).catch(function(error) {
        alert('Unable to capture your camera. Please check console logs.');
        console.error(error);
    });
}

function stopRecordingCallback() {
    video.srcObject = null;
    var blob = recorder.getBlob();
    video.src = URL.createObjectURL(blob);
    document.getElementById('btn-start-recording').disabled = false;
}

var recorder; // globally accessible

document.getElementById('btn-enable-camera').onclick = function() {
    this.disabled = true;
    captureCamera(function(camera) {
        recorder = RecordRTC(camera, { type: 'video' });
        recorder.camera = camera;
        document.getElementById('btn-start-recording').disabled = false;
        video.srcObject = recorder.camera;
    });
};

document.getElementById('btn-start-recording').onclick = function() {
    this.disabled = true;
    video.srcObject = recorder.camera;
    recorder.startRecording();
    document.getElementById('btn-stop-recording').disabled = false;
};

document.getElementById('btn-stop-recording').onclick = function() {
    this.disabled = true;
    recorder.stopRecording(stopRecordingCallback);
};
```

--------------------------------

### RecordRTC Initialization and Recording Control

Source: https://github.com/muaz-khan/recordrtc/blob/master/simple-demos/onTimeStamp.html

This snippet initializes RecordRTC with specific options, including the onTimeStamp callback to update the displayed duration. It also handles starting, stopping, and pausing the recording.

```javascript
var video = document.querySelector('video');

function captureCamera(callback) {
  navigator.mediaDevices.getUserMedia({ audio: true, video: true }).then(function(camera) {
    callback(camera);
  }).catch(function(error) {
    alert('Unable to capture your camera. Please check console logs.');
    console.error(error);
  });
}

function stopRecordingCallback() {
  video.srcObject = null;
  var blob = recorder.getBlob();
  video.src = URL.createObjectURL(blob);
  recorder.camera.stop();
  recorder = null;
}

var recorder;

document.getElementById('btn-start-recording').onclick = function() {
  this.disabled = true;
  captureCamera(function(camera) {
    video.srcObject = camera;
    recorder = RecordRTC(camera, {
      recorderType: MediaStreamRecorder,
      mimeType: 'video/webm',
      timeSlice: 1000,
      onTimeStamp: function(timestamp, timestamps) {
        var duration = (new Date().getTime() - timestamps[0]) / 1000;
        if(duration < 0) return;
        document.querySelector('h1').innerHTML = 'Recording duration: ' + duration;
      }
    });
    recorder.startRecording();
    recorder.camera = camera;
    document.getElementById('btn-stop-recording').disabled = false;
    document.getElementById('btn-pause-recording').disabled = false;
  });
};

document.getElementById('btn-stop-recording').onclick = function() {
  this.disabled = true;
  recorder.stopRecording(stopRecordingCallback);
};

document.getElementById('btn-pause-recording').onclick = function() {
  this.disabled = true;
  if(this.innerHTML === 'Pause Recording') {
    recorder.pauseRecording();
    this.innerHTML = 'Resume Recording';
  } else {
    recorder.resumeRecording();
    this.innerHTML = 'Pause Recording';
  }
  setTimeout(function() {
    document.getElementById('btn-pause-recording').disabled = false;
  }, 2000);
};
```

--------------------------------

### RecordRTC Initialization and Control

Source: https://github.com/muaz-khan/recordrtc/blob/master/simple-demos/onStateChanged.html

This snippet shows how to initialize RecordRTC, capture user media (camera and audio), start recording, stop recording, and pause/resume functionality. It also includes event handling for state changes.

```javascript
var video = document.querySelector('video');

function captureCamera(callback) {
  navigator.mediaDevices.getUserMedia({ audio: true, video: true }).then(function(camera) {
    callback(camera);
  }).catch(function(error) {
    alert('Unable to capture your camera. Please check console logs.');
    console.error(error);
  });
}

function stopRecordingCallback() {
  video.srcObject = null;
  var blob = recorder.getBlob();
  video.src = URL.createObjectURL(blob);
  recorder.camera.stop();
}

var recorder; // globally accessible

document.getElementById('btn-start-recording').onclick = function() {
  this.disabled = true;
  captureCamera(function(camera) {
    video.srcObject = camera;
    recorder = RecordRTC(camera, { type: 'video' });
    recorder.onStateChanged = function(state) {
      document.getElementById('state-preview').innerHTML = state;
    };
    recorder.startRecording();
    // release camera on stopRecording
    recorder.camera = camera;
    document.getElementById('btn-stop-recording').disabled = false;
    document.getElementById('btn-pause-recording').disabled = false;
  });
};

document.getElementById('btn-stop-recording').onclick = function() {
  this.disabled = true;
  recorder.stopRecording(stopRecordingCallback);
};

document.getElementById('btn-pause-recording').onclick = function() {
  this.disabled = true;
  if(this.innerHTML === 'Pause Recording') {
    recorder.pauseRecording();
    this.innerHTML = 'Resume Recording';
  } else {
    recorder.resumeRecording();
    this.innerHTML = 'Pause Recording';
  }
  setTimeout(function() {
    document.getElementById('btn-pause-recording').disabled = false;
  }, 2000);
};
```

--------------------------------

### RecordRTC Promises Handler Example

Source: https://github.com/muaz-khan/recordrtc/blob/master/simple-demos/RecordRTCPromisesHandler.html

This snippet shows how to initialize and use the RecordRTCPromisesHandler for video recording. It includes event handlers for starting and stopping the recording, obtaining the recorded blob, and resetting the recorder.

```javascript
const video = document.querySelector('video');

async function stopRecordingCallback() {
  video.srcObject = null;
  let blob = await recorder.getBlob();
  video.src = URL.createObjectURL(blob);
  recorder.stream.getTracks(t => t.stop());
  await recorder.reset();
  await recorder.destroy();
  recorder = null;
}

let recorder;

document.getElementById('btn-start-recording').onclick = async function() {
  this.disabled = true;
  let stream = await navigator.mediaDevices.getUserMedia({video: true, audio: true});
  video.srcObject = stream;
  recorder = new RecordRTCPromisesHandler(stream, { type: 'video' });
  await recorder.startRecording();
  recorder.stream = stream;
  document.getElementById('btn-stop-recording').disabled = false;
  const internalRecorder = await recorder.getInternalRecorder();
  console.log('internal-recorder', internalRecorder.name);
  console.log('recorder state: ', await recorder.getState());
};

document.getElementById('btn-stop-recording').onclick = async function() {
  this.disabled = true;
  await recorder.stopRecording();
  stopRecordingCallback();
  document.getElementById('btn-start-recording').disabled = false;
};
```

--------------------------------

### Initialize and Add Video Streams with RecordRTC

Source: https://github.com/muaz-khan/recordrtc/wiki/Record-Multiple-Streams-Into-Single-File

Demonstrates how to initialize RecordRTC with a video stream and add subsequent video streams to the recorder. It handles the initial creation of the recorder and adding streams to an existing one.

```javascript
var recorder;

function addVideoToRecorder(video) {
    var stream = video.captureStream();

    if (!recorder) {
        recorder = RecordRTC([stream], {
            type: 'video'
        });
        recorder.startRecording();
    } else {
        recorder.getInternalRecorder().addStreams([stream]);
    }
}

function stopAndGetSingleBlob(callback) {
    if (!recorder) return;
    recorder.stopRecording(function() {
        callback(recorder.getBlob());
        recorder = null;
    });
}
```

--------------------------------

### Upload Blob using jQuery

Source: https://github.com/muaz-khan/recordrtc/wiki/Upload-To-Server

Demonstrates how to get a Blob from RecordRTC and upload it to a server using jQuery's AJAX POST method. This snippet shows the client-side JavaScript for initiating the upload.

```javascript
blob = recordRTC.getBlob();
data = new FormData();
data.append('blob', blob);
$.post(data, successCallback); // upload using jQuery or XMLHTTPRequest
```

--------------------------------

### RecordRTC Initialization and Controls

Source: https://github.com/muaz-khan/recordrtc/blob/master/index.html

This snippet demonstrates the basic setup for RecordRTC, including creating a media element, configuring recording parameters like mime type and file extension, and handling start/stop recording button interactions. It also includes logic for pausing and managing the recording state.

```JavaScript
var video = document.createElement('video');
video.controls = false;
var mediaElement = getHTMLMediaElement(video, {
    title: 'Recording status: inactive',
    buttons: ['full-screen'],
    showOnMouseEnter: false,
    width: 360,
    onTakeSnapshot: function() {
        var canvas = document.createElement('canvas');
        canvas.width = mediaElement.clientWidth;
        canvas.height = mediaElement.clientHeight;
        var context = canvas.getContext('2d');
        context.drawImage(recordingPlayer, 0, 0, canvas.width, canvas.height);
        window.open(canvas.toDataURL('image/png'));
    }
});
document.getElementById('recording-player').appendChild(mediaElement);

var div = document.createElement('section');
mediaElement.media.parentNode.appendChild(div);
mediaElement.media.muted = false;
mediaElement.media.autoplay = true;
mediaElement.media.playsinline = true;
div.appendChild(mediaElement.media);

var recordingPlayer = mediaElement.media;
var recordingMedia = document.querySelector('.recording-media');
var mediaContainerFormat = document.querySelector('.media-container-format');
var mimeType = 'video/webm';
var fileExtension = 'webm';
var type = 'video';
var recorderType;
var defaultWidth;
var defaultHeight;

var btnStartRecording = document.querySelector('#btn-start-recording');

window.onbeforeunload = function() {
    btnStartRecording.disabled = false;
    recordingMedia.disabled = false;
    mediaContainerFormat.disabled = false;
    chkFixSeeking.parentNode.style.display = 'inline-block';
};

btnStartRecording.onclick = function(event) {
    var button = btnStartRecording;
    if(button.innerHTML === 'Stop Recording') {
        // Stop recording logic
    } else {
        // Start recording logic
        var pauseButton = document.querySelector('#btn-pause-recording');
        pauseButton.style.display = 'inline-block';
        button.disabled = true;
        button.disableStateWaiting = true;
        setTimeout(function() {
            button.disabled = false;
            button.disableStateWaiting = false;
        }, 2000);
    }
};

var btnPauseRecording = document.querySelector('#btn-pause-recording');
btnPauseRecording.onclick = function(event) {
    // Pause recording logic
};

function addStreamStopListener(stream, callback) {
    stream.addEventListener('ended', function() {
        callback();
        callback = function() {};
    }, false);
    stream.addEventListener('inactive', function() {
        callback();
        callback = function() {};
    }, false);
    stream.getTracks().forEach(function(track) {
        track.addEventListener('ended', function() {
            callback();
            callback = function() {};
        }, false);
        track.addEventListener('inactive', function() {
            callback();
            callback = function() {};
        }, false);
    });
}
```

--------------------------------

### MRecordRTC Initialization and Recording

Source: https://github.com/muaz-khan/recordrtc/blob/master/MRecordRTC/README.md

Demonstrates how to initialize MRecordRTC, add media streams, configure media types and MIME types, start recording, and handle the recorded blobs. It also shows how to retrieve blobs and save them.

```html
<script src="https://www.WebRTC-Experiment.com/RecordRTC.js"></script>
```

```javascript
var recorder = new MRecordRTC();
recorder.addStream(MediaStream);
recorder.mediaType = {
   audio: true, // or StereoAudioRecorder
   video: true, // or WhammyRecorder
   gif: true    // or GifRecorder
};
// mimeType is optional and should be set only in advance cases.
recorder.mimeType = {
    audio: 'audio/wav',
    video: 'video/webm',
    gif:   'image/gif'
};
recorder.startRecording();
recorder.stopRecording(function(url, type) {
    document.querySelector(type).src = url;
});

recorder.getBlob(function(blobs) {
   blobs.audio --- audio blob
   blobs.video --- video blob
   blobs.gif   --- gif blob
});
// or
var blobs = recorder.getBlob();
var audioBlob = blobs.audio;
var videoBlob = blobs.video;
var gifBlob = blobs.gif;

// invoke save-as dialog
// for all recorded blobs
recorder.save();

recorder.writeToDisk();

// get all blobs from disk
MRecordRTC.getFromDisk('all', function(dataURL, type) {
   type == 'audio'
   type == 'video'
   type == 'gif'
});

// or get just single blob
MRecordRTC.getFromDisk('audio', function(dataURL) {
   // only audio blob is returned from disk!
});
```