查看hilog日志，搜索'device/1'，'PreviewOutput'等关键词，可以看出预览流是创建成功的。19:49:33.602 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{AddInput():1228} AddInput is called
19:49:33.602 1675 6467 I C02B01/camera_service/CAMERA: [dict]{AddInput():312} HCaptureSession::AddInput prepare execute
19:49:33.602 1675 6467 I C02B01/camera_service/CAMERA: [dict]{operator()():325} HCaptureSession::AddInput device:device/1
19:49:33.602 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{GetJSArgsForCameraOutput():1331} preview output adding..
19:49:33.603 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{ConfigureOutput():853} Enter Into CaptureSession::ConfigureOutput
19:49:33.603 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{ConfigureOutput():856} CaptureSession::ConfigureOutput outputType is:0
19:49:33.603 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{ConfigurePreviewOutput():716} CaptureSession::ConfigurePreviewOutput enter
19:49:33.603 903 6731 I C01700/resource_schedule_service/RSS: [dict]report camera status completed
19:49:33.603 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{ValidateOutputProfile():4789} CaptureSession::ValidateOutputProfile profile:w(480),h(480),f(1003) outputType:0
19:49:33.603 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{GetMode():2995} CaptureSession GetMode currentMode_ = 1, guestMode_ = 0
19:49:33.603 903 8661 I C01703/resource_schedule_service/socperf: [dict][HandleCameraStateChange]: SocPerfPlugin: socperf->CAMERA_STATE_CHANGE: 0
19:49:33.603 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4809} CaptureSession::ValidateOutputProfile in mode(1): w(480),h(480),f(1003), profiles size is:22
19:49:33.603 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(480),h(480),f(1003)
19:49:33.603 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{AdaptOutputVideoHighFrameRate():948} Enter Into CaptureSession::AdaptOutputVideoHighFrameRate
19:49:33.603 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{GetMode():2995} CaptureSession GetMode currentMode_ = 1, guestMode_ = 0
19:49:33.604 903 8662 I C01703/resource_schedule_service/socperf: [dict][HandleCameraStateChange]: SocPerfPlugin: socperf->CAMERA_STATE_CHANGE: 0
19:49:33.604 1675 6467 I C02B01/camera_service/CAMERA: [dict]{AddOutputStream():155} HStreamOperator::AddOutputStream streamId:81 streamType:2
19:49:33.604 1675 6467 I C02B01/camera_service/CAMERA: [dict]{AddOutput():309} CaptureSession::AddOutput with with 2, rc = 0
19:49:33.604 1675 6467 I C01401/camera_service/Bufferqueue: [dict]<consumer_surface.cpp:60-~ConsumerSurface>: ~ConsumerSurface, producer_ sptrCnt: 1, uniqueId: 87.
19:49:33.604 1675 6467 I C02B01/camera_service/CAMERA: [dict]{AddOutput():443} CaptureSession::AddOutput with with 2, rc = 0
19:49:33.604 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{AddOutput():923} CaptureSession::AddOutput StreamType = 2
19:49:33.605 62122 62122 E C02B01/com.hm.example/CAMERA: [dict]{AddOutput():938} SetCameraApi!, errCode: 0 搜索'PhotoOutput'，日志如下，可以看出创建的拍照输出流的分辨率是'w(640),h(360)'，但是前置摄像头支持的拍照配置信息集合中没有符合该分辨率的配置。然后日志打印了'CanAddOutput check failed!'，创建拍照输出流失败。19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{AddOutput():1365} AddOutput is called
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{GetJSArgsForCameraOutput():1335} photo output adding..
19:49:33.605 1550 9854 I C01202/foundation/Ces: [dict][common_event_control_manager.cpp(NotifyUnorderedEventLocked:250)]Notify usual.event.CAMERA_STATUS end(2, 2, 0, 0)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{ConfigureOutput():853} Enter Into CaptureSession::ConfigureOutput
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{ConfigureOutput():856} CaptureSession::ConfigureOutput outputType is:1
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{ConfigurePhotoOutput():800} CaptureSession::ConfigurePhotoOutput enter
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{ValidateOutputProfile():4789} CaptureSession::ValidateOutputProfile profile:w(640),h(360),f(2000) outputType:1
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{GetMode():2995} CaptureSession GetMode currentMode_ = 1, guestMode_ = 0
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4809} CaptureSession::ValidateOutputProfile in mode(1): w(640),h(360),f(2000), profiles size is:22
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(640),h(480),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(640),h(640),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(720),h(720),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(960),h(720),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(1080),h(1080),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(1280),h(720),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(1440),h(1080),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(1920),h(1080),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(2160),h(2160),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(2304),h(2304),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(2384),h(1080),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(2560),h(1080),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(2688),h(1216),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(2816),h(2112),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(2880),h(2160),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(3072),h(2304),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(3120),h(3120),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(3264),h(2448),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(3840),h(1648),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(3840),h(2160),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(4160),h(1888),f(2000)
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{operator()():4813} CaptureSession::ValidateOutputProfile outType iterator profile::w(4160),h(3120),f(2000)
19:49:33.605 62122 62122 E C02B01/com.hm.example/CAMERA: [dict]{operator()():4816} CaptureSession::ValidateOutputProfile fail!
19:49:33.605 62122 62122 E C02B01/com.hm.example/CAMERA: [dict]{AddOutput():910} CanAddOutput check failed!
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{InvokeJSAsyncMethod():54} CameraInputNapi::Open, InvokeJSAsyncMethod napi_resolve_deferred
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{InvokeJSAsyncMethod():59} CameraInputNapi::Open, InvokeJSAsyncMethod end deferred
19:49:33.605 62122 62122 I C02B01/com.hm.example/CAMERA: [dict]{InvokeJSAsyncMethod():72} CameraInputNapi::Open, InvokeJSAsyncMethod inner end
19:49:33.605 1001 11170 I C01F0B/telephony/TelephonyExtCommon: [dict]OnReceiveEvent enter, event : usual.event.CAMERA_STATUS
19:49:33.605 1001 11170 I C01F0B/telephony/TelephonyExtCommon: [dict]HandleCameraStatus, cameraId=device/1, cameraState=0
19:49:33.607 625 51511 I C02D15/hiview/XPower: [dict][task_136]#CameraPower: m_lastBatteryGasGauge 790
19:49:33.608 903 9078 I C02948/resource_schedule_service/ThermalAware: [dict][cam_collector.cpp] CameraPower: bundleName: com.hm.example, cameraId: 1, wholePower: 0, owner: 1
19:49:33.609 903 9073 I C02948/resource_schedule_service/ThermalAware: [dict][thermal_scenario_cluster.cpp] camowner change to 1 pkg: com.hm.example
19:49:33.609 1477 1796 I C02942/powermgr/ThermalSvc: [dict]tag camowner, val 1, isImmed 1
19:49:33.610 986 10700 I C02BA1/CameraDaemon/CameraBufferMonitor: [dict]T:19 DelMonitorApva<313>: [CBA]totalSize(338116Kb), size(36868Kb), stride(37748768), usage(0x400820), cma tag(0), format(769), requestor(SMARTISP_AIAF_WORKSPACE)
19:49:33.610 986 10700 W C02160/CameraDaemon/RUNTIME: [dict]rtCloseClient:35 Direct Device close start.
19:49:33.610 986 10700 W C02160/CameraDaemon/RUNTIME: [dict]rtCloseClient:38 Direct Device close success.
19:49:33.610 986 10700 W C02160/CameraDaemon/RUNTIME: [dict]Exit:94 client cnt_ 2