Cloudflare Developers•8mo ago

using prism live studio.

JJon M.@1984 Ford Laser Do you know if it's possible to save a WebRTC recording to R2 y...

1984 Ford Laser•5/4/25, 9:24 PM

GGagan Suie using prism live studio.

1984 Ford Laser•5/4/25, 9:25 PM

Set output mode to advanced, then set key frame interval to 1sec

1984 Ford Laser•5/4/25, 9:25 PM

And you want performance preset too

1984 Ford Laser•5/6/25, 5:47 AM

Has anyone been able to integrate Mux Data with the Stream player?

Jessasaurus•5/6/25, 11:26 AM

anyone else get this "401 unauthorized failed to fetch verification key undefined"

JJon M.Has anyone been able to get Live Output to work with YouTube? I'm donig everythi...

1984 Ford Laser•5/9/25, 10:55 PM

Isnt YouTube RTMP only? WebRTC streams are WebRTC out only for the moment

JJon M.From everything I could find, it claims that it outputs to RMTPS through the out...

1984 Ford Laser•5/9/25, 10:58 PM

No? Did you read the docs page on WebRTC streaming, specifically the Limitations section? https://developers.cloudflare.com/stream/webrtc-beta/#limitations-while-in-beta

1984 Ford Laser•5/9/25, 10:59 PM

And this point too

1984 Ford Laser•5/9/25, 11:00 PM

Okay? You're free to use another platform if this isn't good enough for you.

1984 Ford Laser•5/10/25, 1:09 PM

Is Stream linked to R2 in the backend at all? Like when I'm uploading a video in the UI, is that actually going to an R2 bucket behind the scenes? Wanna ascertain if there are upload speed limits for an account due to this

Gabriel Francisco•5/10/25, 4:14 PM

Is that possible to know the video aspect ration using the cloudflare player? I would like to resize the parent of the iframe based on that. The runtime API doesn't have anything to help me on this, but is that any other way?
https://developers.cloudflare.com/stream/viewing-videos/using-the-stream-player/using-the-player-api/

GGabriel Francisco Is that possible to know the video aspect ration using the cloudflare player? I ...

1984 Ford Laser•5/11/25, 12:19 AM

You could make an API request to get more into about the video's metadata perhaps?

11984 Ford Laser Is Stream linked to R2 in the backend at all? Like when I'm uploading a video in...

Chaika•5/11/25, 4:18 AM

They've disclosed before in incidient reports for R2 (like when they rotated creds and caused r2 to fail), that Stream uses R2:
https://blog.cloudflare.com/cloudflare-incident-march-21-2025/

All (100% of) uploads failed during the primary incident window. Successful Stream video segment delivery dropped to 94%. Viewers may have seen video stalls every minute or so, although actual impact would have varied.

CChaika They've disclosed before in incidient reports for R2 (like when they rotated cre...

1984 Ford Laser•5/11/25, 4:18 AM

Thought so but couldn't remember where I'd seen the reference, thank you

Chaika•5/11/25, 4:20 AM

Yea that's a pretty nice list to use of products which use R2. Images, Stream, Vectorize

11984 Ford Laser You could make an API request to get more into about the video's metadata perhap...

Gabriel Francisco•5/11/25, 11:31 PM

that is bad when I need the info on front-end, the stream is already happening, they have the data already loaded, but don't give access to it

1984 Ford Laser•5/11/25, 11:32 PM

Are you expecting the stream to be anything other than 16x9? The iframe will resize itself to fit the parent div already

1984 Ford Laser•5/11/25, 11:34 PM

Also your front-end will have a way to make API calls before the page is loaded, just need to figure out the best way to handle it

11984 Ford Laser Are you expecting the stream to be anything other than 16x9? The iframe will res...

Gabriel Francisco•5/12/25, 1:37 AM

my video can be at any size

Gabriel Francisco•5/12/25, 1:37 AM

I want the parent to fit the iframe, not the inverse

GGabriel Francisco I want the parent to fit the iframe, not the inverse

1984 Ford Laser•5/12/25, 1:40 AM

The iframe is currently set up to dynamically resize to its parent, youll need to design your own flow here. Not quite sure what your use case is exactly. Are you regularly streaming at abnormal resolutions?

John McBadass•5/12/25, 1:50 AM

Looking into getting stream however wanted to see if there was any cloudflare provided example URLs that I could potentially plug into my product for a proof of concept before purchasing.

Not sure if cloudflare provides anything like this and currently unable to purchase even the smallest plan due to the currently ongoing billing issue (case already opened).

Does anyone know if anything like this exists?

JJohn McBadass Looking into getting stream however wanted to see if there was any cloudflare pr...

Jessasaurus•5/12/25, 10:16 AM

it will give you examples of URLs on the docs https://developers.cloudflare.com/stream/

Cloudflare Docs

Cloudflare Stream

Cloudflare Stream lets you or your end users upload, store, encode, and deliver live and on-demand video with one API, without configuring or maintaining infrastructure.

11984 Ford Laser The iframe is currently set up to dynamically resize to its parent, youll need t...

Gabriel Francisco•5/12/25, 12:55 PM

yes

Gabriel Francisco•5/12/25, 12:56 PM

it is just too bad that they didnt implement it to the runtime api...

Jessasaurus•5/12/25, 11:48 PM

is there any api calls i can use that will show/list all videos created/linked to a live input /stream?

JJessasaurus is there any api calls i can use that will show/list all videos created/linked t...

1984 Ford Laser•5/12/25, 11:55 PM

No but a video that is generated from a live input will have a liveInputliveInput field, with the value being the ID of the live input. When a stream is started, and a webhook is sent, that webhook will contain the video ID, which you can use to start some other process

oliver•5/13/25, 6:07 AM

I'm try to snapshot a frame from video (saved on R2) by stream/Transformations. But there is a limition: "Input video must be less than 40MB". Why and how to skip this input limitation? I just want a frame, maybe the video size doesn't matter

bonakor•5/13/25, 11:25 AM

Hi.
I'm trying to send an SRT with multiple audio channels ,but in playback, we're only getting one channel back. What am I doing wrong?

KKevin McArdle - Stream Works Hi all- I’m trying to do multi track audio on stream for live video. Are audio p...

bonakor•5/13/25, 11:37 AM

hey, did you ever manage to do it?

Ooliver I'm try to snapshot a frame from video (saved on R2) by stream/Transformations. ...

1984 Ford Laser•5/13/25, 11:40 AM

Transformations are a new feature, the input limitations will be relaxed in the future. If your video was stored on Stream, you could use the clipping feature to produce a small MP4 video, then run that through Transformations

Bbonakor hey, did you ever manage to do it?

Kevin McArdle - Stream Works•5/13/25, 12:36 PM

Nope

Kevin McArdle - Stream Works•5/13/25, 12:37 PM

Dm me if you want some feedback on what did work

bonakor•5/13/25, 12:43 PM

Alright, just did!

Lookfinity dev•5/14/25, 11:54 AM

I am facing an issue while implementing upload via link functionality
the video url given in the cloudstream docs for upload via link is uploading completely fine on cloudstream
but the url I am trying to upload is giving this error

can you please tell me why??
this is my url - https://drive.google.com/file/d/1sLZQQX3cbeUcKbJc6CeX1MmDNjW7sa_Z/view?usp=drive_link
this url is in cloudflare docs https://storage.googleapis.com/zaid-test/Watermarks%20Demo/cf-ad-original.mp4

Sources - https://developers.cloudflare.com/stream/uploading-videos/upload-via-link/

Also please let me know if there is any size limit for upload-via-link

Google Docs

IMG_1305.MOV

Cloudflare Docs

Upload with a link

If you have videos stored in a cloud storage bucket, you can pass a HTTP link for the file, and Stream will fetch the file on your behalf.

LLookfinity dev I am facing an issue while implementing upload via link functionality the video ...

Peps•5/14/25, 12:42 PM

The URL must directly go to the file. The URL you just posted goes to a web/HTML page of Google Drive

PPeps The URL must directly go to the file. The URL you just posted goes to a web/HTML...

Lookfinity dev•5/14/25, 3:07 PM

okay, thanks for informing, but how do I get that direct url to the file?

LLookfinity dev okay, thanks for informing, but how do I get that direct url to the file?

1984 Ford Laser•5/14/25, 9:51 PM

Its kinda annoying to do from Google Drive

1984 Ford Laser•5/14/25, 9:51 PM

Try uploading to R2 and using the link from that

baby.eagle•5/15/25, 4:28 AM

Hello,
I'm new to the group and new to using Cloudflare.
I want to serve media (MPEG-DASH and .ts files) through Cloudflare's CDN from my hosted server.
Is Cloudflare suitable for this use case, or is it not recommended? Would using Cloudflare R2 or Cloudflare Stream be the best practice to accomplish this?

Bbaby.eagle Hello, I'm new to the group and new to using Cloudflare. I want to serve media (...

1984 Ford Laser•5/15/25, 7:03 AM

Stream will be best. If you went to R2, you would need to transcode or convert to HLS yourself, whereas Stream will handle MPEG-DASH and TS by default (I have uploaded plenty of 2+ hour TS files no worries)

crow•5/15/25, 3:41 PM

Hey I'm trying to use the Stream SDK to play videos when they are scrolled into view.

<iframe
  src="https://customer-<CODE>.cloudflarestream.com/<VIDEO_UID>/iframe"
  style="border: none"
  height="720"
  width="1280"
  allow="accelerometer; gyroscope; autoplay; encrypted-media; picture-in-picture;"
  allowfullscreen="true"
  id={{ video_id }}
></iframe>

<script src="https://embed.cloudflarestream.com/embed/sdk.latest.js"></script>

<script>
function handleSeen(video_id) {

  const player = Stream(document.getElementById(video_id));
  player.play().catch(() => {
    console.log('playback failed, muting to try again');
    player.muted = true;
    player.play();
  });
}
</script>

<iframe
  src="https://customer-<CODE>.cloudflarestream.com/<VIDEO_UID>/iframe"
  style="border: none"
  height="720"
  width="1280"
  allow="accelerometer; gyroscope; autoplay; encrypted-media; picture-in-picture;"
  allowfullscreen="true"
  id={{ video_id }}
></iframe>

<script src="https://embed.cloudflarestream.com/embed/sdk.latest.js"></script>

<script>
function handleSeen(video_id) {

  const player = Stream(document.getElementById(video_id));
  player.play().catch(() => {
    console.log('playback failed, muting to try again');
    player.muted = true;
    player.play();
  });
}
</script>

using prism live studio.

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