CanvasRecorder | Record HTML5 canvas to webm video with JavaScript | Canvas library
kandi X-RAY | CanvasRecorder Summary
kandi X-RAY | CanvasRecorder Summary
Record a canvas to webm video without effecting rendering performance.
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Top functions reviewed by kandi - BETA
- Construct a new Canvas recorder
- Start recording .
- Downloads a blob of the given record .
- Store data in queue
- Track recording information .
- Stop recording recording .
CanvasRecorder Key Features
CanvasRecorder Examples and Code Snippets
Community Discussions
Trending Discussions on CanvasRecorder
QUESTION
I use Firebase Hosting and would like to realize this web app. (I use Windows 10, Windows Subsystems for Linux, Debian 10.3 and Google Chrome browser. )
- push buttons and record audio (index.html + main.js)
- upload the audio file to Cloud Storage (main.js)
- transcribe the audio file using Cloud Speech to text API (index.js: cloud function)
- write the transcription on Cloud Firestore (index.js: cloud function)
- get transcription data from Firestore using
.onSnapshot
. put that data in a textarea (main.js)
I passed step 1~4, but have a difficult in step 5. When I access the web app, it shows transcription data before I record audio.
This data was made the last time I accessed the web app.
When I go through step1 to step5, I get another textarea which is what I want. Could you tell me how can I avoid the first textarea? Thank you in advance.
This is browser's console.
This is main.js(client side)
...ANSWER
Answered 2020-May-27 at 13:03This is because, as explained in the doc, when you set a listener, there is always an initial call.
In your case, this initial call returns the last document that was created in your collection (because your query is defined with orderBy("timestamp", "desc").limit(1)
).
You could maintain a counter that indicates if it is the initial call or a subsequent one. Something along the following lines:
QUESTION
I make a simple audio recording web app using Firebase Hosting. I would like to record audio on browser and upload it to Cloud Storage. When I deploy and access my app, I can record audio. However the app failed to upload the audio to Cloud Storage.
(I use Windows 10, Windows Subsystems for Linux, Debian 10.3 and Google Chrome browser. )
This is an error message in browser's console.
...ANSWER
Answered 2020-May-21 at 11:58I don't know much about the .wav file but you seem to be trying to store an object instead of a blob or a file that Firebase Storage is expecting. Try creating a var blob = recordAudio.getBlob()
and replace file
in your put()
function with blob
instead.
QUESTION
I make a simple audio recording web app using Firebase Hosting. I would like to record audio on browser and upload it to Cloud Storage. When I deploy and access my app, I can record audio. However the app failed to upload the audio to Cloud Storage.
(I use Windows 10, Windows Subsystems for Linux, Debian 10.3 and Google Chrome browser. )
This is an error message in browser's console.
...ANSWER
Answered 2020-May-21 at 05:59For you to get the permissions correctly, you need to check your Firebase Storage Security Rules. Configuring them correctly, will provide the access and permissions needed for the audios to be upload to the storage. By default, the rules will ask you to be authenticated, so you need to check to confirm. This way, you can either change your application to have authentication (best option) or the rules.
You can change the rules by accessing the Firebase Console and accessing the tab Rules
. If you check the rules and they are similar or equal to the one below, it's confirming that you will need to be authenticated to write in the database, which is causing the error you are seeing.
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