[CoreMedia] Improve CMFormatDescription.SubType properties. Fixes #23217. #23262

rolfbjarne · 2025-07-04T15:23:21Z

Any CMPixelFormat value is also a valid CMVideoCodecType value, so duplicate
the values in CMPixelFormat into CMVideoCodecType.

This helps discovery/intellisense.

Fixes #23217.

…Fixes #23217. Any CMPixelFormat value is also a valid CMVideoCodecType value, so duplicate the values in CMPixelFormat into CMVideoCodecType. This helps discovery/intellisense. Fixes #23217.

jeremy-visionaid · 2025-07-06T21:57:49Z

I'd expect the macios projection of CMVideoCodecType to include only those values from CMVideoCodecType. So, adding pixel formats to it looks incorrect to me if they don't match the upstream definitions.

The reason for the initial bug report is that I'd also expect there to be some projection of the values of MediaSubType so that it's possible to write code that's a closer match to the Apple API. e.g.

AVCaptureDeviceFormat desc = <something>;
if (desc.MediaSubType == MediaSubType.PixelFormat_32BGRA)
...

I think it's more difficult to find things in the dotnet API the further they are from the upstream definition. So, this PR is kind of the opposite of what I was intending to achieve in opening #23217.

As Rolf pointed out, all the constants from MediaSubType are actually available in other types (despite the difficultly in actually reasoning that that's the case). Just adding an extra convenience property would be more helpful IMHO:

 public CVPixelFormatType PixelFormatType { 
 	get { 
 		return MediaType == CMMediaType.Video ? (CVPixelFormatType) MediaSubType : 0; 
 	} 
 }

However, the trouble is with it being a video mediatype is that you don't know whether it is compressed or not, so either the existing VideoCodecType property or PixelFormatType above might cast to an undefined enum value. (i.e. IMHO it would be better to just have the MediaSubType constants than any of the convenience properties).

Obsoleting CAC3 I think is a good change though, since I'd expect to find it from the usptream identifier iec60958AC3 rather than named from its FourCC value. 👍

…iasubtype

vs-mobiletools-engineering-service2 · 2025-07-07T16:51:57Z

💻 [CI Build #ce6f6f0] Tests on macOS X64 - Mac Sonoma (14) passed 💻

✅ All tests on macOS X64 - Mac Sonoma (14) passed.

Pipeline on Agent
Hash: ce6f6f0d8da099db6821ddb5799958ca73ab747c [PR build]

vs-mobiletools-engineering-service2 · 2025-07-07T16:54:41Z

💻 [CI Build #ce6f6f0] Tests on macOS M1 - Mac Monterey (12) passed 💻

✅ All tests on macOS M1 - Mac Monterey (12) passed.

Pipeline on Agent
Hash: ce6f6f0d8da099db6821ddb5799958ca73ab747c [PR build]

vs-mobiletools-engineering-service2 · 2025-07-07T16:55:50Z

💻 [CI Build #ce6f6f0] Tests on macOS arm64 - Mac Sequoia (15) passed 💻

✅ All tests on macOS arm64 - Mac Sequoia (15) passed.

Pipeline on Agent
Hash: ce6f6f0d8da099db6821ddb5799958ca73ab747c [PR build]

vs-mobiletools-engineering-service2 · 2025-07-07T16:56:52Z

💻 [CI Build #ce6f6f0] Tests on macOS M1 - Mac Ventura (13) passed 💻

✅ All tests on macOS M1 - Mac Ventura (13) passed.

Pipeline on Agent
Hash: ce6f6f0d8da099db6821ddb5799958ca73ab747c [PR build]

rolfbjarne · 2025-10-14T13:46:18Z

I'd expect the macios projection of CMVideoCodecType to include only those values from CMVideoCodecType. So, adding pixel formats to it looks incorrect to me if they don't match the upstream definitions.

Unfortunately there are no good solutions here, because MediaSubType is a uint/fourcc, so there are 2^32-1 number of possible values.

I completely see the point that CMVideoCodecType should only contain entries from Apple's CMVideoCodecType enum.

On the other hand, it's can also be argued that the VideoFormatType should return an enum that contains all reasonably likely values when MediaType == CMMediaType.Video, and that enum would have to contain pixel format values. It's not even limited to CMPixelFormat, because Apple's headers say "In general, CoreVideo CVPixelFormatType constants may be used too."

The reason for the initial bug report is that I'd also expect there to be some projection of the values of MediaSubType so that it's possible to write code that's a closer match to the Apple API. e.g.
AVCaptureDeviceFormat desc = <something>;
if (desc.MediaSubType == MediaSubType.PixelFormat_32BGRA)
...

You can do this:

AVCaptureDeviceFormat desc = <something>;
if (desc.MediaSubType == (uint) MediaSubType.PixelFormat_32BGRA)
...

I think it's more difficult to find things in the dotnet API the further they are from the upstream definition. So, this PR is kind of the opposite of what I was intending to achieve in opening #23217.

Sadly, this isn't an API that maps nicely to C#.

Note that you can write code that's pretty close to Objective-C code by using MediaSubType (and casting the enum value to uint) as I mentioned just above.

As Rolf pointed out, all the constants from MediaSubType are actually available in other types (despite the difficultly in actually reasoning that that's the case). Just adding an extra convenience property would be more helpful IMHO:
 public CVPixelFormatType PixelFormatType { 
 	get { 
 		return MediaType == CMMediaType.Video ? (CVPixelFormatType) MediaSubType : 0; 
 	} 
 } 
However, the trouble is with it being a video mediatype is that you don't know whether it is compressed or not, so either the existing VideoCodecType property or PixelFormatType above might cast to an undefined enum value. (i.e. IMHO it would be better to just have the MediaSubType constants than any of the convenience properties).

There are also two pixel format enums: CMPixelFormat and CVPixelFormatType...

In any case, I'll updating this PR to:

Add a PixelFormatType as you suggested.
Remove the addition of the pixel format types into CMVideoCodecType.
Improve the documentation for all these properties.

…iasubtype

vs-mobiletools-engineering-service2 · 2025-10-14T15:58:56Z

✅ [PR Build #fb3c205] Build passed (Detect API changes) ✅

Pipeline on Agent
Hash: fb3c205357cab0d9ce3a2e266de041cc038b94b5 [PR build]

vs-mobiletools-engineering-service2 · 2025-10-14T16:07:50Z

✅ [CI Build #fb3c205] Build passed (Build packages) ✅

Pipeline on Agent
Hash: fb3c205357cab0d9ce3a2e266de041cc038b94b5 [PR build]

vs-mobiletools-engineering-service2 · 2025-10-14T16:26:39Z

🔥 Failed to compare API and create generator diff 🔥

Error: 'make' failed for the hash e433a6a.

Pipeline on Agent
Hash: fb3c205357cab0d9ce3a2e266de041cc038b94b5 [PR build]

vs-mobiletools-engineering-service2 · 2025-10-14T16:32:08Z

🔥 [CI Build #fb3c205] Build failed (Build macOS tests) 🔥

Build failed for the job 'Build macOS tests' (with job status 'Failed')

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Hash: fb3c205357cab0d9ce3a2e266de041cc038b94b5 [PR build]

vs-mobiletools-engineering-service2 · 2025-10-14T17:34:36Z

🔥 [CI Build #fb3c205] Test results 🔥

Test results

❌ Tests failed on VSTS: test results

0 tests crashed, 99 tests failed, 14 tests passed.

Failures

❌ dotnettests tests (iOS)

1 tests failed, 0 tests passed.

DotNet tests: Failed (Execution failed with exit code 1)

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❌ dotnettests tests (MacCatalyst)

1 tests failed, 0 tests passed.

DotNet tests: Failed (Execution failed with exit code 1)

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❌ dotnettests tests (macOS)

1 tests failed, 0 tests passed.

DotNet tests: Failed (Execution failed with exit code 1)

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❌ dotnettests tests (tvOS)

1 tests failed, 0 tests passed.

DotNet tests: Failed (Execution failed with exit code 1)

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❌ generator tests

5 tests failed, 0 tests passed.

BGen tests: BuildFailure
Roslyn Generator tests: BuildFailure
Roslyn Analyzer tests: BuildFailure
Roslyn Transformer tests: BuildFailure
Roslyn Codefixers tests: BuildFailure

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❌ interdependent-binding-projects tests

4 tests failed, 0 tests passed.

interdependent-binding-projects/macOS/Debug: BuildFailure
interdependent-binding-projects/Mac Catalyst/Debug: BuildFailure
interdependent-binding-projects/iOS - simulator/Debug: BuildFailure
interdependent-binding-projects/tvOS - simulator/Debug: BuildFailure

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❌ introspection tests

4 tests failed, 0 tests passed.

introspection/macOS/Debug: BuildFailure
introspection/Mac Catalyst/Debug: BuildFailure
introspection/iOS - simulator/Debug: BuildFailure
introspection/tvOS - simulator/Debug: BuildFailure

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❌ linker tests

44 tests failed, 0 tests passed.

dont link/macOS/Debug: BuildFailure
dont link/macOS/Release: BuildFailure
dont link/Mac Catalyst/Debug: BuildFailure
dont link/Mac Catalyst/Release: BuildFailure
dont link/iOS - simulator/Debug: BuildFailure
dont link/iOS - simulator/Release: BuildFailure
dont link/tvOS - simulator/Debug: BuildFailure
dont link/tvOS - simulator/Release: BuildFailure
link sdk/macOS/Debug: BuildFailure
link sdk/macOS/Release: BuildFailure
link sdk/Mac Catalyst/Debug: BuildFailure
link sdk/Mac Catalyst/Release: BuildFailure ( (failed to parse the logs: The Writer is closed or in error state.))
link sdk/iOS - simulator/Debug: BuildFailure
link sdk/iOS - simulator/Release: BuildFailure
link sdk/tvOS - simulator/Debug: BuildFailure
link sdk/tvOS - simulator/Release: BuildFailure ( (failed to parse the logs: The Writer is closed or in error state.))
link all/macOS/Debug: BuildFailure ( (failed to parse the logs: The Writer is closed or in error state.))
link all/macOS/Debug (bundle original resources): BuildFailure
link all/macOS/Release: BuildFailure
link all/Mac Catalyst/Debug: BuildFailure
link all/Mac Catalyst/Debug (bundle original resources): BuildFailure ( (failed to parse the logs: The Writer is closed or in error state.))
link all/Mac Catalyst/Release: BuildFailure
link all/iOS - simulator/Debug: BuildFailure
link all/iOS - simulator/Release: BuildFailure
link all/iOS - simulator/Debug (bundle original resources): BuildFailure
link all/tvOS - simulator/Debug: BuildFailure
link all/tvOS - simulator/Release: BuildFailure
link all/tvOS - simulator/Debug (bundle original resources): BuildFailure
trimmode copy/macOS/Debug: BuildFailure
trimmode copy/macOS/Release: BuildFailure
trimmode copy/Mac Catalyst/Debug: BuildFailure
trimmode copy/Mac Catalyst/Release: BuildFailure
trimmode copy/iOS - simulator/Debug: BuildFailure
trimmode copy/iOS - simulator/Release: BuildFailure
trimmode copy/tvOS - simulator/Debug: BuildFailure
trimmode copy/tvOS - simulator/Release: BuildFailure
trimmode link/macOS/Debug: BuildFailure ( (failed to parse the logs: The Writer is closed or in error state.))
trimmode link/macOS/Release: BuildFailure
trimmode link/Mac Catalyst/Debug: BuildFailure
trimmode link/Mac Catalyst/Release: BuildFailure ( (failed to parse the logs: The Writer is closed or in error state.))
trimmode link/iOS - simulator/Debug: BuildFailure
trimmode link/iOS - simulator/Release: BuildFailure
trimmode link/tvOS - simulator/Debug: BuildFailure
trimmode link/tvOS - simulator/Release: BuildFailure

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❌ monotouch tests (iOS)

8 tests failed, 0 tests passed.

monotouch-test/iOS - simulator/Debug: BuildFailure
monotouch-test/iOS - simulator/Debug (LinkSdk): BuildFailure
monotouch-test/iOS - simulator/Debug (static registrar): BuildFailure
monotouch-test/iOS - simulator/Release (all optimizations): BuildFailure
monotouch-test/iOS - simulator/Debug (managed static registrar): BuildFailure
monotouch-test/iOS - simulator/Release (managed static registrar, all optimizations): BuildFailure
monotouch-test/iOS - simulator/Release (NativeAOT, x64): BuildFailure
monotouch-test/iOS - simulator/Debug (interpreter): BuildFailure

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❌ monotouch tests (MacCatalyst)

11 tests failed, 0 tests passed.

monotouch-test/Mac Catalyst/Debug: BuildFailure
monotouch-test/Mac Catalyst/Debug (managed static registrar): BuildFailure
monotouch-test/Mac Catalyst/Debug (static registrar): BuildFailure
monotouch-test/Mac Catalyst/Release (managed static registrar): BuildFailure
monotouch-test/Mac Catalyst/Release (managed static registrar, all optimizations): BuildFailure
monotouch-test/Mac Catalyst/Release (NativeAOT): BuildFailure
monotouch-test/Mac Catalyst/Release (NativeAOT, x64): BuildFailure
monotouch-test/Mac Catalyst/Release (static registrar): BuildFailure ( (failed to parse the logs: The Writer is closed or in error state.))
monotouch-test/Mac Catalyst/Release (static registrar, all optimizations): BuildFailure
monotouch-test/Mac Catalyst/Debug (interpreter): BuildFailure
monotouch-test/Mac Catalyst/Release (interpreter): BuildFailure

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❌ monotouch tests (macOS)

9 tests failed, 0 tests passed.

monotouch-test/macOS/Debug: BuildFailure
monotouch-test/macOS/Debug (managed static registrar): BuildFailure
monotouch-test/macOS/Debug (static registrar): BuildFailure
monotouch-test/macOS/Release (managed static registrar): BuildFailure ( (failed to parse the logs: The Writer is closed or in error state.))
monotouch-test/macOS/Release (managed static registrar, all optimizations): BuildFailure
monotouch-test/macOS/Release (NativeAOT): BuildFailure
monotouch-test/macOS/Release (NativeAOT, x64): BuildFailure
monotouch-test/macOS/Release (static registrar): BuildFailure
monotouch-test/macOS/Release (static registrar, all optimizations): BuildFailure

Html Report (VSDrops) Download

❌ monotouch tests (tvOS)

8 tests failed, 0 tests passed.

monotouch-test/tvOS - simulator/Debug: HarnessException (Harness exception for 'Tests for 410124B9-8467-46CB-855D-D75AE94A8052': System.Exception: Unable to evaluate the property OutputPath in /Users/builder/azdo/_work/1/s/macios/tests/xharness/bin/Debug/tmp-test-dir/monotouch-test3/monotouch-test.csproj, build failed with exit code 1. Timed out: False
at Xharness.AppBundleLocator.GetPropertyByMSBuildEvaluationAsync(XmlDocument csproj, String projectPath, String evaluateProperty, String dependsOnTargets, Dictionary`2 properties) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 121
at Xharness.AppBundleLocator.LocateAppBundle(XmlDocument projectFile, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 48
at Xharness.IAppBundleInformationParserExtensions.ParseFromProject2(IAppBundleInformationParser this, IAppBundleLocator _appBundleLocator, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/IAppBundleInformationParserExtensions.cs:line 41
at Xharness.AppRunner.InitializeAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppRunner.cs:line 115
at Xharness.Jenkins.TestTasks.RunSimulator.SelectSimulatorAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/RunSimulator.cs:line 107
at Xharness.Jenkins.TestTasks.AggregatedRunSimulatorTask.ExecuteAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/AggregatedRunSimulatorTask.cs:line 64
at Xharness.Jenkins.TestTasks.TestTasks.RunInternalAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/TestTask.cs:line 233)
monotouch-test/tvOS - simulator/Debug (LinkSdk): HarnessException (Harness exception for 'Tests for 410124B9-8467-46CB-855D-D75AE94A8052': System.Exception: Unable to evaluate the property OutputPath in /Users/builder/azdo/_work/1/s/macios/tests/xharness/bin/Debug/tmp-test-dir/monotouch-test3/monotouch-test.csproj, build failed with exit code 1. Timed out: False
at Xharness.AppBundleLocator.GetPropertyByMSBuildEvaluationAsync(XmlDocument csproj, String projectPath, String evaluateProperty, String dependsOnTargets, Dictionary`2 properties) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 121
at Xharness.AppBundleLocator.LocateAppBundle(XmlDocument projectFile, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 48
at Xharness.IAppBundleInformationParserExtensions.ParseFromProject2(IAppBundleInformationParser this, IAppBundleLocator _appBundleLocator, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/IAppBundleInformationParserExtensions.cs:line 41
at Xharness.AppRunner.InitializeAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppRunner.cs:line 115
at Xharness.Jenkins.TestTasks.RunSimulator.SelectSimulatorAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/RunSimulator.cs:line 107
at Xharness.Jenkins.TestTasks.AggregatedRunSimulatorTask.ExecuteAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/AggregatedRunSimulatorTask.cs:line 64
at Xharness.Jenkins.TestTasks.TestTasks.RunInternalAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/TestTask.cs:line 233)
monotouch-test/tvOS - simulator/Debug (static registrar): HarnessException (Harness exception for 'Tests for 410124B9-8467-46CB-855D-D75AE94A8052': System.Exception: Unable to evaluate the property OutputPath in /Users/builder/azdo/_work/1/s/macios/tests/xharness/bin/Debug/tmp-test-dir/monotouch-test3/monotouch-test.csproj, build failed with exit code 1. Timed out: False
at Xharness.AppBundleLocator.GetPropertyByMSBuildEvaluationAsync(XmlDocument csproj, String projectPath, String evaluateProperty, String dependsOnTargets, Dictionary`2 properties) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 121
at Xharness.AppBundleLocator.LocateAppBundle(XmlDocument projectFile, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 48
at Xharness.IAppBundleInformationParserExtensions.ParseFromProject2(IAppBundleInformationParser this, IAppBundleLocator _appBundleLocator, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/IAppBundleInformationParserExtensions.cs:line 41
at Xharness.AppRunner.InitializeAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppRunner.cs:line 115
at Xharness.Jenkins.TestTasks.RunSimulator.SelectSimulatorAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/RunSimulator.cs:line 107
at Xharness.Jenkins.TestTasks.AggregatedRunSimulatorTask.ExecuteAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/AggregatedRunSimulatorTask.cs:line 64
at Xharness.Jenkins.TestTasks.TestTasks.RunInternalAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/TestTask.cs:line 233)
monotouch-test/tvOS - simulator/Release (all optimizations): HarnessException (Harness exception for 'Tests for 410124B9-8467-46CB-855D-D75AE94A8052': System.Exception: Unable to evaluate the property OutputPath in /Users/builder/azdo/_work/1/s/macios/tests/xharness/bin/Debug/tmp-test-dir/monotouch-test3/monotouch-test.csproj, build failed with exit code 1. Timed out: False
at Xharness.AppBundleLocator.GetPropertyByMSBuildEvaluationAsync(XmlDocument csproj, String projectPath, String evaluateProperty, String dependsOnTargets, Dictionary`2 properties) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 121
at Xharness.AppBundleLocator.LocateAppBundle(XmlDocument projectFile, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 48
at Xharness.IAppBundleInformationParserExtensions.ParseFromProject2(IAppBundleInformationParser this, IAppBundleLocator _appBundleLocator, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/IAppBundleInformationParserExtensions.cs:line 41
at Xharness.AppRunner.InitializeAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppRunner.cs:line 115
at Xharness.Jenkins.TestTasks.RunSimulator.SelectSimulatorAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/RunSimulator.cs:line 107
at Xharness.Jenkins.TestTasks.AggregatedRunSimulatorTask.ExecuteAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/AggregatedRunSimulatorTask.cs:line 64
at Xharness.Jenkins.TestTasks.TestTasks.RunInternalAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/TestTask.cs:line 233)
monotouch-test/tvOS - simulator/Debug (managed static registrar): HarnessException (Harness exception for 'Tests for 410124B9-8467-46CB-855D-D75AE94A8052': System.Exception: Unable to evaluate the property OutputPath in /Users/builder/azdo/_work/1/s/macios/tests/xharness/bin/Debug/tmp-test-dir/monotouch-test3/monotouch-test.csproj, build failed with exit code 1. Timed out: False
at Xharness.AppBundleLocator.GetPropertyByMSBuildEvaluationAsync(XmlDocument csproj, String projectPath, String evaluateProperty, String dependsOnTargets, Dictionary`2 properties) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 121
at Xharness.AppBundleLocator.LocateAppBundle(XmlDocument projectFile, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 48
at Xharness.IAppBundleInformationParserExtensions.ParseFromProject2(IAppBundleInformationParser this, IAppBundleLocator _appBundleLocator, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/IAppBundleInformationParserExtensions.cs:line 41
at Xharness.AppRunner.InitializeAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppRunner.cs:line 115
at Xharness.Jenkins.TestTasks.RunSimulator.SelectSimulatorAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/RunSimulator.cs:line 107
at Xharness.Jenkins.TestTasks.AggregatedRunSimulatorTask.ExecuteAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/AggregatedRunSimulatorTask.cs:line 64
at Xharness.Jenkins.TestTasks.TestTasks.RunInternalAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/TestTask.cs:line 233)
monotouch-test/tvOS - simulator/Release (managed static registrar, all optimizations): HarnessException (Harness exception for 'Tests for 410124B9-8467-46CB-855D-D75AE94A8052': System.Exception: Unable to evaluate the property OutputPath in /Users/builder/azdo/_work/1/s/macios/tests/xharness/bin/Debug/tmp-test-dir/monotouch-test3/monotouch-test.csproj, build failed with exit code 1. Timed out: False
at Xharness.AppBundleLocator.GetPropertyByMSBuildEvaluationAsync(XmlDocument csproj, String projectPath, String evaluateProperty, String dependsOnTargets, Dictionary`2 properties) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 121
at Xharness.AppBundleLocator.LocateAppBundle(XmlDocument projectFile, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 48
at Xharness.IAppBundleInformationParserExtensions.ParseFromProject2(IAppBundleInformationParser this, IAppBundleLocator _appBundleLocator, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/IAppBundleInformationParserExtensions.cs:line 41
at Xharness.AppRunner.InitializeAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppRunner.cs:line 115
at Xharness.Jenkins.TestTasks.RunSimulator.SelectSimulatorAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/RunSimulator.cs:line 107
at Xharness.Jenkins.TestTasks.AggregatedRunSimulatorTask.ExecuteAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/AggregatedRunSimulatorTask.cs:line 64
at Xharness.Jenkins.TestTasks.TestTasks.RunInternalAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/TestTask.cs:line 233)
monotouch-test/tvOS - simulator/Release (NativeAOT, x64): HarnessException (Harness exception for 'Tests for 410124B9-8467-46CB-855D-D75AE94A8052': System.Exception: Unable to evaluate the property OutputPath in /Users/builder/azdo/_work/1/s/macios/tests/xharness/bin/Debug/tmp-test-dir/monotouch-test3/monotouch-test.csproj, build failed with exit code 1. Timed out: False
at Xharness.AppBundleLocator.GetPropertyByMSBuildEvaluationAsync(XmlDocument csproj, String projectPath, String evaluateProperty, String dependsOnTargets, Dictionary`2 properties) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 121
at Xharness.AppBundleLocator.LocateAppBundle(XmlDocument projectFile, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 48
at Xharness.IAppBundleInformationParserExtensions.ParseFromProject2(IAppBundleInformationParser this, IAppBundleLocator _appBundleLocator, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/IAppBundleInformationParserExtensions.cs:line 41
at Xharness.AppRunner.InitializeAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppRunner.cs:line 115
at Xharness.Jenkins.TestTasks.RunSimulator.SelectSimulatorAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/RunSimulator.cs:line 107
at Xharness.Jenkins.TestTasks.AggregatedRunSimulatorTask.ExecuteAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/AggregatedRunSimulatorTask.cs:line 64
at Xharness.Jenkins.TestTasks.TestTasks.RunInternalAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/TestTask.cs:line 233)
monotouch-test/tvOS - simulator/Debug (interpreter): HarnessException (Harness exception for 'Tests for 410124B9-8467-46CB-855D-D75AE94A8052': System.Exception: Unable to evaluate the property OutputPath in /Users/builder/azdo/_work/1/s/macios/tests/xharness/bin/Debug/tmp-test-dir/monotouch-test3/monotouch-test.csproj, build failed with exit code 1. Timed out: False
at Xharness.AppBundleLocator.GetPropertyByMSBuildEvaluationAsync(XmlDocument csproj, String projectPath, String evaluateProperty, String dependsOnTargets, Dictionary`2 properties) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 121
at Xharness.AppBundleLocator.LocateAppBundle(XmlDocument projectFile, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppBundleLocator.cs:line 48
at Xharness.IAppBundleInformationParserExtensions.ParseFromProject2(IAppBundleInformationParser this, IAppBundleLocator _appBundleLocator, String projectFilePath, TestTarget target, String buildConfiguration) in /Users/builder/azdo/_work/1/s/macios/tests/xharness/IAppBundleInformationParserExtensions.cs:line 41
at Xharness.AppRunner.InitializeAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/AppRunner.cs:line 115
at Xharness.Jenkins.TestTasks.RunSimulator.SelectSimulatorAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/RunSimulator.cs:line 107
at Xharness.Jenkins.TestTasks.AggregatedRunSimulatorTask.ExecuteAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/AggregatedRunSimulatorTask.cs:line 64
at Xharness.Jenkins.TestTasks.TestTasks.RunInternalAsync() in /Users/builder/azdo/_work/1/s/macios/tests/xharness/Jenkins/TestTasks/TestTask.cs:line 233)

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jeremy-visionaid · 2025-10-14T21:25:08Z

You can do this:

AVCaptureDeviceFormat desc = <something>;
if (desc.MediaSubType == (uint) MediaSubType.PixelFormat_32BGRA)
...

Well, that's the original bug I'm reporting. It's pretty much exactly what I want to do (since that's the equivalent of how you'd do it natively), but I can't because the projection of MediaSubType and its associated constants appear to be missing? I can't find it with IntelliSense/ILSpy/grepping the macios repo... perhaps I'm just going mad, haha 😅 At least I was able to get the constants I needed from the other source you pointed out, so thanks for that!

[CoreMedia] Copy enum values from CMPixelFormat into CMVideoCodecType. …

2015ce5

…Fixes #23217. Any CMPixelFormat value is also a valid CMVideoCodecType value, so duplicate the values in CMPixelFormat into CMVideoCodecType. This helps discovery/intellisense. Fixes #23217.

rolfbjarne requested a review from dalexsoto as a code owner July 4, 2025 15:23

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rolfbjarne added 2 commits July 4, 2025 18:24

Provide a better name for the 'cac3' codec in the AudioFormatType enum.

282d97d

Update known failures.

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dalexsoto approved these changes Jul 4, 2025

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Merge remote-tracking branch 'origin/main' into dev/rolf/cmformat-med…

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…iasubtype

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mandel-macaque approved these changes Jul 18, 2025

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dalexsoto approved these changes Sep 17, 2025

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different solution

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rolfbjarne changed the title ~~[CoreMedia] Copy enum values from CMPixelFormat into CMVideoCodecType. Fixes #23217.~~ [CoreMedia] Improve CMFormatDescription.SubType properties. Fixes #23217. Oct 14, 2025

rolfbjarne and others added 2 commits October 14, 2025 17:18

Merge remote-tracking branch 'origin/main' into dev/rolf/cmformat-med…

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…iasubtype

Auto-format source code

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[CoreMedia] Improve CMFormatDescription.SubType properties. Fixes #23217. #23262

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[CoreMedia] Improve CMFormatDescription.SubType properties. Fixes #23217. #23262

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vs-mobiletools-engineering-service2 commented Jul 7, 2025

💻 [CI Build #ce6f6f0] Tests on macOS X64 - Mac Sonoma (14) passed 💻

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💻 [CI Build #ce6f6f0] Tests on macOS M1 - Mac Monterey (12) passed 💻

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💻 [CI Build #ce6f6f0] Tests on macOS arm64 - Mac Sequoia (15) passed 💻

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💻 [CI Build #ce6f6f0] Tests on macOS M1 - Mac Ventura (13) passed 💻

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vs-mobiletools-engineering-service2 commented Oct 14, 2025

✅ [PR Build #fb3c205] Build passed (Detect API changes) ✅

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✅ [CI Build #fb3c205] Build passed (Build packages) ✅

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🔥 [CI Build #fb3c205] Build failed (Build macOS tests) 🔥

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vs-mobiletools-engineering-service2 commented Oct 14, 2025

🔥 [CI Build #fb3c205] Test results 🔥

Test results

Failures

❌ dotnettests tests (iOS)

❌ dotnettests tests (MacCatalyst)

❌ dotnettests tests (macOS)

❌ dotnettests tests (tvOS)

❌ generator tests

❌ interdependent-binding-projects tests

❌ introspection tests

❌ linker tests

❌ monotouch tests (iOS)

❌ monotouch tests (MacCatalyst)

❌ monotouch tests (macOS)

❌ monotouch tests (tvOS)

❌ msbuild tests

jeremy-visionaid commented Jul 6, 2025 •

edited

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