{"record":{"id":"7b24f80173d0db2f","repo":"Zackriya-Solutions/meetily","slug":"failed-to-create-core-audio-capture","errorCode":null,"errorMessage":"Failed to create Core Audio capture: {}","messagePattern":"Failed to create Core Audio capture: (.+?)","errorType":"exception","errorClass":"anyhow::Error","httpStatus":null,"severity":"error","filePath":"frontend/src-tauri/src/audio/stream.rs","lineNumber":158,"sourceCode":"        })\n    }\n\n    /// Create a Core Audio stream (macOS only)\n    #[cfg(target_os = \"macos\")]\n    async fn create_core_audio_stream(\n        device: Arc<AudioDevice>,\n        state: Arc<RecordingState>,\n        device_type: DeviceType,\n        recording_sender: Option<mpsc::UnboundedSender<super::recording_state::AudioChunk>>,\n    ) -> Result<Self> {\n        info!(\"🔊 Stream: Creating Core Audio stream for device: {}\", device.name);\n\n        // Create Core Audio capture\n        info!(\"🔊 Stream: Calling CoreAudioCapture::new()...\");\n        let capture_impl = CoreAudioCapture::new()\n            .map_err(|e| {\n                error!(\"❌ Stream: CoreAudioCapture::new() failed: {}\", e);\n                anyhow::anyhow!(\"Failed to create Core Audio capture: {}\", e)\n            })?;\n\n        info!(\"✅ Stream: CoreAudioCapture created, calling stream()...\");\n        let core_stream = capture_impl.stream()\n            .map_err(|e| {\n                error!(\"❌ Stream: capture_impl.stream() failed: {}\", e);\n                anyhow::anyhow!(\"Failed to create Core Audio stream: {}\", e)\n            })?;\n\n        let sample_rate = core_stream.sample_rate();\n        info!(\"✅ Stream: Core Audio stream created with sample rate: {} Hz\", sample_rate);\n\n        // Create audio capture processor for pipeline integration\n        // CRITICAL: Core Audio tap is MONO (with_mono_global_tap_excluding_processes)\n        let capture = AudioCapture::new(\n            device.clone(),\n            state.clone(),\n            sample_rate,","sourceCodeStart":140,"sourceCodeEnd":176,"githubUrl":"https://github.com/Zackriya-Solutions/meetily/blob/0281737d87d26352fb0adc78c8c0975f691b23d1/frontend/src-tauri/src/audio/stream.rs#L140-L176","documentation":"CoreAudioCapture::new() failed while creating the macOS capture object used by AudioStream::new for the system-audio path. This is the first step, before any device stream is opened, so the failure is about creating the Core Audio tap itself - typically a macOS TCC permission or Core Audio subsystem problem, not a specific device.","triggerScenarios":"Constructing the Core Audio stream for the system device when the process lacks microphone/screen-recording permission, when coreaudiod is wedged, when no audio hardware exists (headless Mac, VM without audio), or when launched from a session without access to the audio server (SSH).","commonSituations":"First run after install where the user denied the TCC prompt; macOS permissions reset after app re-signing; running from SSH or CI; virtual machines with no audio device.","solutions":["Grant Microphone and Screen Recording permission in System Settings > Privacy & Security, then restart the app","Confirm a default output device exists in System Settings > Sound","Restart the Core Audio daemon: sudo killall coreaudiod","Run the app from a normal GUI session, not SSH/headless"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":"// Cheap preflight: can this process create a Core Audio capture at all?\nfn core_audio_available() -> bool {\n    CoreAudioCapture::new().is_ok()\n}","typeGuard":null,"tryCatchPattern":"match AudioStream::new(device, state, DeviceType::System, None) {\n    Ok(stream) => { /* attach system stream */ }\n    Err(e) => {\n        warn!(\"System audio unavailable: {e}\"); // degrade to mic-only recording\n    }\n}","preventionTips":["Request mic + screen-recording permission during onboarding before the first recording","Probe CoreAudioCapture::new() at feature-check time and disable system-audio UI when unavailable","Never run capture tests from SSH/headless sessions"],"tags":["macos","core-audio","audio-capture","permissions","tcc"],"backgroundTag":"coreaudio-tap-creation-failed","analyzedSha":"0281737d87d26352fb0adc78c8c0975f691b23d1","analyzedAt":"2026-08-16T20:57:52.567Z","schemaVersion":2},"datasetVersion":"2026-08-16T23:17:17.608Z"}