Attempt building for macOS 10.14 Mojave #94

jasongrout · 2020-05-13T23:39:43Z

This is a bit of a shot in the dark, but it may be that we just need to set an environment variable to configure building for an older version of macOS. See #85 (comment)

This is so we can test the actual built plugin.

johnboiles · 2020-05-13T23:57:33Z

Can't hurt to try the simple thing first!

But it looks like the build is using the 10.15 SDK.

I think that SO post you found is very promising. Probably we will need a build step to download and unzip the older SDK from here (let's start with 10.14 before trying 10.13).

If you are able to keep jamming on this, maybe make a new step in the build.yml that downloads and unzips the 10.14 SDK then does a ls /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs to confirm that it's in place. Maybe also do a ls before putting the SDK in place; who knows maybe GitHub's action VM already has this in place.

johnboiles · 2020-05-14T00:01:36Z

I also saw this. Not sure if we'll need to do it

jasongrout · 2020-05-14T00:02:43Z

Yes, I was thinking the same thing. Interestingly, I only seem to have the 10.15 sdk on my 10.14 computer, though (apparently xcode 11.3 only comes with the 10.15 sdk?). Reading this made me hopeful that perhaps it might work to set the minimum version and use the 10.15 sdk.

I couldn't find an official place to download the 10.14 sdk - that's why I thought I'd try just the environment variable first.

johnboiles · 2020-05-14T00:04:37Z

Oh very interesting that you can build on your 10.14 machine with only the 10.15 SDK! I totally get your line of reasoning in that case. Maybe these artifacts you're generating will just work 🤞

jasongrout · 2020-05-14T00:04:50Z

If you are able to keep jamming on this, maybe make a new step in the build.yml that downloads and unzips the 10.14 SDK then does a ls /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs to confirm that it's in place. Maybe also do a ls before putting the SDK in place; who knows maybe GitHub's action VM already has this in place.

Plus add that sdk to a cache so that we don't have to download it each time a PR comes in :).

johnboiles · 2020-05-14T00:05:13Z

Plus add that sdk to a cache

😄 yes please!

Edit: I should probably cache the entire OBS build. No reason that needs to happen every time.

jasongrout · 2020-05-14T00:05:44Z

Oh very interesting that you can build on your 10.14 machine with only the 10.15 SDK!

(Really, I don't know what I'm doing here, so take everything I say with a huge boulder of salt)

johnboiles · 2020-05-14T00:09:04Z

So if you ls /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs on your machine you see only the 10.15 SDK?

I'm def guessing here too. I've dealt with version compatibility on iOS in the past, but that was just clicking some things in Xcode so I have no idea what it was doing under the hood.

jasongrout · 2020-05-14T00:21:41Z

How exactly do I install the plugin artifacts into my stock install of OBS? I see the .plugin directory goes in /Library/CoreMediaIO/Plug-Ins/DAL. Where does the .so go?

jasongrout · 2020-05-14T00:22:20Z

% ls -las /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs
total 0
0 drwxr-xr-x  5 root  wheel  160 Jan 13 20:33 ./
0 drwxr-xr-x  6 root  wheel  192 Jan 13 20:33 ../
0 drwxr-xr-x  4 root  wheel  128 Jan 13 20:32 DriverKit19.0.sdk/
0 drwxr-xr-x  8 root  wheel  256 Jan 13 20:33 MacOSX.sdk/
0 lrwxr-xr-x  1 root  wheel   10 Sep 26  2019 MacOSX10.15.sdk@ -> MacOSX.sdk

johnboiles · 2020-05-14T00:26:36Z

By default it's in /Library/Application Support/obs-studio/plugins. So you can

sudo mkdir -p /Library/Application\ Support/obs-studio/plugins/obs-mac-virtualcam/bin/
sudo cp obs-mac-virtualcam.so /Library/Application\ Support/obs-studio/plugins/obs-mac-virtualcam/bin/obs-mac-virtualcam.so

If that has problems running because it isn't signed, we've found that we can just dump the .so into application bundle plugins dir and it seems to just work without needing codesigning. sudo cp obs-mac-virtualcam.so /Applications/OBS.app/Contents/PlugIns/

jasongrout · 2020-05-14T00:30:02Z

Thanks. It works!!! I used the plugin artifacts generated in this build workflow, copied them to the locations you said, and it works as well as it did when I compiled myself.

jasongrout · 2020-05-14T00:31:16Z

(which for me means that Chrome was able to see the virtual camera and the content of it, and quicktime was able to see the virtual camera, but only displayed the test card, not the actual content)

.github/workflows/build.yml

johnboiles · 2020-05-14T00:36:17Z

.github/workflows/build.yml

        cmake -DLIBOBS_INCLUDE_DIR:STRING=$GITHUB_WORKSPACE/obs-studio/libobs \
          -DLIBOBS_LIB:STRING=$GITHUB_WORKSPACE/obs-studio/build/libobs/libobs.dylib \
          -DOBS_FRONTEND_LIB:STRING=$GITHUB_WORKSPACE/obs-studio/build/UI/obs-frontend-api/libobs-frontend-api.dylib \
          -DQTDIR:STRING=/usr/local/opt/qt ..
        make -j
+
+    - name: Fix runtime QT deps


I'm fine leaving this. Probably useful to be able to test PRs

johnboiles · 2020-05-14T00:38:01Z

Hey that's awesome! So this fully works with Chrome? Can you see if you can find a Console.app log for QuickTime. Maybe it's a codesigning thing for Quicktime and it will just work when we sign this with a production cert.

jasongrout · 2020-05-14T00:41:35Z

Here's the relevant part from the quicktime log when I switch to the virtual camera:

2020-05-13 17:40:38.286 QuickTime Player[66110:541977] OBSDAL: Device unhandled hasPropertyWithAddress for kCMIODevicePropertyLocation
2020-05-13 17:40:38.287 QuickTime Player[66110:541977] OBSDAL: Device unhandled hasPropertyWithAddress for kCMIODevicePropertyLocation
2020-05-13 17:40:38.287 QuickTime Player[66110:541977] OBSDAL: Device unhandled hasPropertyWithAddress for kCMIODevicePropertyLocation
2020-05-13 17:40:38.287 QuickTime Player[66110:541977] OBSDAL: Device unhandled hasPropertyWithAddress for kCMIODevicePropertyLocation
2020-05-13 17:40:39.548 QuickTime Player[66110:541977] OBSDAL: Device unhandled hasPropertyWithAddress for kCMIODevicePropertyLocation
2020-05-13 17:40:39.548 QuickTime Player[66110:541977] OBSDAL: Device unhandled hasPropertyWithAddress for kCMIODevicePropertyLocation
2020-05-13 17:40:39.549 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyHogMode self=0x10eba4590 settable=0
2020-05-13 17:40:39.549 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyExcludeNonDALAccess self=0x10eba4590 settable=1
2020-05-13 17:40:39.549 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyExcludeNonDALAccess self=0x10eba4590 settable=1
2020-05-13 17:40:39.549 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectSetPropertyData Device(44) kCMIODevicePropertyExcludeNonDALAccess self=0x10eba4590 data(int)=1
2020-05-13 17:40:39.549 QuickTime Player[66110:541977] OBSDAL: Device unhandled hasPropertyWithAddress for kCMIODevicePropertyLocation
2020-05-13 17:40:39.551 QuickTime Player[66110:541977] OBSDAL: Device unhandled hasPropertyWithAddress for kCMIODevicePropertyLocation
2020-05-13 17:40:39.551 QuickTime Player[66110:541977] OBSDAL: Device unhandled hasPropertyWithAddress for kCMIODevicePropertyLocation
2020-05-13 17:40:39.551 QuickTime Player[66110:541977] OBSDAL: Device unhandled hasPropertyWithAddress for kCMIODevicePropertyLocation
2020-05-13 17:40:39.552 QuickTime Player[66110:541977] OBSDAL: Device unhandled hasPropertyWithAddress for kCMIODevicePropertyLocation
2020-05-13 17:40:39.762 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 settable=1
2020-05-13 17:40:39.762 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 settable=1
2020-05-13 17:40:39.762 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 settable=1
2020-05-13 17:40:39.762 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectSetPropertyData Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 data(int)=66110
2020-05-13 17:40:39.762 QuickTime Player[66110:541977] OBSDAL: Stream unhandled isPropertySettableWithAddress for kCMIOStreamPropertyFormatDescription
2020-05-13 17:40:39.762 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Stream(45) kCMIOStreamPropertyFormatDescription self=0x10eba4590 settable=0
2020-05-13 17:40:39.762 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 settable=1
2020-05-13 17:40:39.763 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 settable=1
2020-05-13 17:40:39.763 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 settable=1
2020-05-13 17:40:39.763 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectSetPropertyData Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 data(int)=-1
2020-05-13 17:40:39.763 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 settable=1
2020-05-13 17:40:39.763 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 settable=1
2020-05-13 17:40:39.763 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 settable=1
2020-05-13 17:40:39.763 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectSetPropertyData Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 data(int)=66110
2020-05-13 17:40:39.763 QuickTime Player[66110:541977] OBSDAL: Stream unhandled isPropertySettableWithAddress for kCMIOStreamPropertyFrameRate
2020-05-13 17:40:39.764 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Stream(45) kCMIOStreamPropertyFrameRate self=0x10eba4590 settable=0
2020-05-13 17:40:39.764 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 settable=1
2020-05-13 17:40:39.764 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 settable=1
2020-05-13 17:40:39.764 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectIsPropertySettable Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 settable=1
2020-05-13 17:40:39.764 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectSetPropertyData Device(44) kCMIODevicePropertyDeviceMaster self=0x10eba4590 data(int)=-1
2020-05-13 17:40:39.835 QuickTime Player[66110:541977] OBSDAL: Device unhandled hasPropertyWithAddress for kCMIODevicePropertyLinkedAndSyncedCoreAudioDeviceUID
2020-05-13 17:40:39.836 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_ObjectSetPropertyData Device(44) kCMIOObjectPropertyListenerAdded self=0x10eba4590 data(int)=1818850926
2020-05-13 17:40:39.836 QuickTime Player[66110:541977] OBSDAL: Device unhandled setPropertyDataWithAddress for kCMIOObjectPropertyListenerAdded
2020-05-13 17:40:39.846 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_StreamCopyBufferQueue <Stream: 0x7fe6abc90c80> (id=45) self=0x10eba4590 queue=<CMSimpleQueue 0x7fe6ad8a08d0 retainCount: 2 allocator: 0x7fffaeeec8e0
	capacity = 30
	count = 1
	readIndex = 28
	writeIndex = 29
	elements[readIndex..(writeIndex-1) %% (capacity+1)] = {
		0x7fe6ad92c840}
>
2020-05-13 17:40:39.846 QuickTime Player[66110:541977] OBSDAL: HardwarePlugIn_DeviceStartStream self=0x10eba4590 device=44 stream=45
2020-05-13 17:40:39.846 QuickTime Player[66110:541977] OBSDAL: -[PlugIn startStream] 
2020-05-13 17:40:39.847 QuickTime Player[66110:542181] OBSDAL: -[Stream startServingDefaultFrames] 
2020-05-13 17:40:39.847 QuickTime Player[66110:542181] OBSDAL: Server is not available
GVA encoder info: recomputed for fps: 30.000000, gop size in pics: 30, gop size in sec: 1.000000 
2020-05-13 17:40:40.134 QuickTime Player[66110:542048] OBSDAL: Server is not available
2020-05-13 17:40:41.134 QuickTime Player[66110:542683] OBSDAL: Server is not available
2020-05-13 17:40:42.133 QuickTime Player[66110:542181] OBSDAL: Server is not available
2020-05-13 17:40:43.133 QuickTime Player[66110:542048] OBSDAL: Server is not available
2020-05-13 17:40:44.133 QuickTime Player[66110:542179] OBSDAL: Server is not available
2020-05-13 17:40:45.134 QuickTime Player[66110:542684] OBSDAL: Server is not available
2020-05-13 17:40:46.134 QuickTime Player[66110:542682] OBSDAL: Server is not available
2020-05-13 17:40:47.133 QuickTime Player[66110:542048] OBSDAL: Server is not available

Then it just keeps repeating that last line about once a second.

jasongrout · 2020-05-14T00:42:07Z

So this fully works with Chrome?

Yes, it appears to work just fine with Chrome for me.

johnboiles · 2020-05-14T00:45:13Z

Very interesting. I wonder if there's some differences in QuickTime's ability to reach OBS over mach ipc in 10.14

johnboiles · 2020-05-14T01:06:26Z

This will have the pkg when its done https://github.com/johnboiles/obs-mac-virtualcam/actions/runs/104162509

Mesihas · 2020-05-14T01:13:39Z

Works !!! on my mojave. Cheers!!

jasongrout · 2020-05-14T01:34:30Z

That pkg also works for me. Thanks again!

johnboiles · 2020-05-14T01:46:28Z

Thata's awesome!! I wonder if we can just dial this down to 10.13 for the high sierra people.

I'll cut a 1.1.0 release from this when i get a chance!!

denwald · 2020-05-14T09:56:08Z

This will have the pkg when its done https://github.com/johnboiles/obs-mac-virtualcam/actions/runs/104162509

This works for me on Mojave with Quicktime as the video-sink as well! First it only showed the test screen. But after a reboot I can see live video in Quicktime. Maybe that's because I had the Catalina pkg already installed and then used the Mojave installer to replace the plugin.

jasongrout added 2 commits May 13, 2020 16:38

Attempt building for macOS 10.14 Mojave

a941890

Save the plugin artifact in the build workflow

e310d7f

This is so we can test the actual built plugin.

johnboiles reviewed May 14, 2020

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johnboiles reviewed May 14, 2020

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Set global environment variable in github action job header

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johnboiles approved these changes May 14, 2020

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johnboiles merged commit 09a3abf into johnboiles:master May 14, 2020

johnboiles mentioned this pull request May 14, 2020

Support older versions of macOS (< 10.15) #85

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Attempt building for macOS 10.14 Mojave #94

Attempt building for macOS 10.14 Mojave #94

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Attempt building for macOS 10.14 Mojave #94

Attempt building for macOS 10.14 Mojave #94

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