
USB camera recording issues
Screenflow 10 records mac's built-in camera properly.
However, when I plug in my SONY alpha 5100 through an usb capture card, it takes the 16:9 video and stretches it to 4:3. It's annoying. Screenflow 9 recorded that same camera on the same computer properly.
Interestingly, when setting up the recording and rendering the preview of the camera image, it's shown in 16:9 ratio. But in the recording monitor and the recording itself, it's stretched to 4:3.
Best,
Mat
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Mel Hopper Koppelman said:
I am using an iPhone to HDMI adapter:My hunch is that's your issue. I'm not sure that will work as you intend it with current macOS on M1 hardware. It's not something we'd test.
You should test phone lighting to USB into Mac.
I have the exact same HDMI to USB adaptor as you and can confirm that would work too. I'd avoid the dock (as it can impact resolution) and use a direct USB-A to USB-C adaptor.Mel Hopper Koppelman said:
My current set up worked perfectly until a couple of weeks ago and still works on Ecamm Live.It may work with our Wirecast as well which is the equivalent of ECAMM Live.
ScreenFlow is a different type of program. You'd have to test in Quicktime. -
Mel Hopper Koppelman said:
Not using a dock potentially solves one problem but also seems to create a number of others . . .My own tests show that docks can impact video capture. That's not a ScreenFlow issue. It's related to docs and hubs going to Thunderbolt on M1 Macs.
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Mel Hopper Koppelman said:
That's fine, but 2 weeks ago I was happy with the video quality and had a set up that allowed me to also capture my high quality microphone and iPad writing. So I need to balance these needs with optimizing video quality.Which brings me back to what changed?
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Mel Hopper Koppelman said:
I updated Screenflow to the latest versionCan you downgrade to the previous version you had and confirmed it worked? That could escalate a fix. If you need access to a specific version I can help provide that.
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Mel Hopper Koppelman said:
The metadata says the resolution is 1600x1200.Developers may want to know what your frame size options are in ScreenFlow Configure Recording for the source. I'd try this with and without the dock to see if the dock because that will show whether the dock is the factor.
Can you describe the "quality" issue or is it just the frame size at issue?
You state it works in ECAMM but the developers would need a technical description to know what you'd expect.
It's not clear if it's just the frame size options or some other "quality" issue involved. -
Mel Hopper Koppelman said:
What app is that screenshot of?Apple's Audio Midi Setup. In Applications / Utilities.
Definitely check USB input in the same app
Mel Hopper Koppelman said:
Is there a way to slow down the video so that it'll sync up to the audio in Screenflow?If the audio is drifting do a speed change. If the audio is offset then detach audio (if it's part of the clip) and shift it back in sync.
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Mel Hopper Koppelman said:
Anything else I should try? I could switch back to FilmicPro and continue to troubleshoot the video aspect ratio problem. . .As per above, developers would like to know how Quicktime X behaves with this workflow.
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Mel Hopper Koppelman said:
- Camo: 30 fps (automatic)
- iPhone recording settings: 30 fps
- Audio: 48,000 Hz
- Screenflow timeline: 30 fpsIn my tests, I'm not seeing sync drift (recording for about 1 minute).
I'm using a newer iPhone 12 Pro but I'm not sure if that would make a difference. -
Mel Hopper Koppelman said:
Yes, it works as expected. No ratio distortion in Quicktime (Thanks for that important info.