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Questions tagged [mediarecorder-api]

62 questions
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How to download a MediaRecorder file in Chunk-Wise Simultaneously while record

I am trying to create a simple record sample using MediaRecorder api. Using this i am checking to download capturing video using timeSlice(mediaRecorder.start(10000)). When data captured(each 10 seconds) ondataavailable event triggered and using…
Akbar Basha
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I'm recording speech using MediaRecorder API, why are chunks smaller than the actual size?

I have an issue with MediaRecorder API (https://www.w3.org/TR/mediastream-recording/#mediarecorder-api). I'm using it to record the speech from the web page using Chrome, and save it as chunks. I need to be able to play it while and after it is…
Rajesh Naik
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Converting Webm audio file to mp3 or ogg

I am currently working on a Chromebook application where I have to record an audio file with record/pause/resume features and then save the file in mp3 or ogg format. I am using mediaRecorder API to record the audio successfuly but the default file…
Subin
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Using a original javascript at MediaRecorder-examples/record-canvas-to-video.js Software requirements Firefox 45. This is a Firefox technical demo. So it might not work on your browser, if it doesn't implement what we're demoing. At the time of…
guest271314
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Visualizing waveform for stored (not real-time) audio using Web Audio API

I'm using MediaRecorder API to record a media stream from a microphone. And I want to draw a visualization of the recorded audio on a canvas. Web Audio API's AnalyserNode visualises real-time audio from the stream. Is there a way to visualize a…
teby
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Possibility to record playback of browser audio element using JavaScript?

I am currently working on a simple audio project which uses HTML / JS audio elements to play audio using buttons. Is it somehow possible to record that audio being played instead of recording the microphone (by using the MediaRecorder API)?
mrvnklm
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Get ReadableStream from Webcam in Browser

I would like to get webcam input as a ReadableStream in the browser to pipe to a WritableStream. I have tried using the MediaRecorder API, but that stream is chunked into separate blobs while I would like one continuous stream. I'm thinking the…
Sepehr Sobhani
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How to record video on Safari iOS using MediaRecorder

I am making a video recording website, and using the recordRTC package, I have it working on chrome desktop and android. However, this package does not work on safari either on desktop or iOS. I have tried using the mediaRecorder API, and have a…
nwok
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Recording google meet through Webrtc

I am trying to record google meet audio and video using webRtc. I found mediaRecorder Api for same. But i am unable to record meeting, as it is only capturing my webcam and audio. How can i record a whole meeting through code in any language?
MiSha
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Media Recorder ondataavailable not fired in Fire Fox

Heres my code to record the screen (with audio) let options = { video: { cursor: true, displaySurface: 'window', // monitor, window, application, browser }, audio: true, } voiceStream =…
user2445278
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Don't stop a mediaRecorder when its source stops

The situation On my site i record the user's screen with MediaDevices.getDisplayMedia() If the user clicks "Stop Sharing" i force him to restart the screen capture and i restart the MediaRecorder What i want To connect the 2 recordings into one…
Nevo
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Adding audio to an incoming stream during video call to record voice of both parties in a call

I have created an app using peer js to initiate video calls. I am using mediarecorder Api to record the incoming stream from caller. However, I need to add audio of both the caller and receiver in the call to the recording, and video should be of…
Kartik Khamborkar
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mediaRecorder: is it possible to progressively upload the video to the serber?

The mediarecorder https://developer.mozilla.org/en-US/docs/Web/API/MediaRecorder allows to record a stream in chunks and then save them on server. But is it possible to upload these chunks progressively (like a streaming) without having to wait the…
yarek
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FFMPEG - How to wait until all blobs are written before finishing ffmpeg process when getting them from media recorder API

I'm using media recorder API to record a video from user's screen and sending the blobs through web socket to a nodejs server. The nodejs server is using the blobs to create a webm video file, the video is being created fine but with a delay, after…
Caio Nakai
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Encode Audio Back From getChannelData()

I call getChannelData and perform some actions and remove values from the Float32Array. How can I encode this data back into a form that can be saved? const blob = new Blob(this.chunks, { type: audioType }); // generate audio url from blob const…
WorkingOnBeingBetter
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