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平价网站平价网站建设建设,百度安装app,百度号码认证平台,申请注册一个自媒体平台账号和你一起终身学习，这里是程序员Android 经典好文推荐，通过阅读本文，您将收获以下知识点: HDR 场景下发 3 帧拍照请求HDR 3帧拍照请求帧（478,479 480）HDR 3帧 result callback帧HDR 算法处理算法编解码处理HDR 拍照log关…

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和你一起终身学习，这里是程序员Android

经典好文推荐，通过阅读本文，您将收获以下知识点:

  1. HDR 场景下发 3 帧拍照请求
  2. HDR 3帧拍照请求帧（478,479 480）
  3. HDR 3帧 result callback帧
  4. HDR 算法处理
  5. 算法编解码处理
  6. HDR 拍照log关键字

1. HDR 场景下发 3 帧拍照请求

HDR 场景下，点击拍照按钮提交拍照请求，拍照请求帧为3帧（trace 中submitRequestList
下可以看到 3 个 createCaptureRequest
）。

a390dab43a724132afeef45e6c8e2c4c.jpeg
点击拍照按钮提交拍照请求

2. HDR 3帧拍照请求帧（478,479 480）

ffa8993bf1bacf251455d31e21c98411.jpeg
3帧拍照请求帧

3. HDR 3帧 result callback帧

7a56b13a93b7e2643d234c75bc1bc9d6.jpeg
HDR 3帧 result callback帧

4. HDR 算法处理

8867a5677f63318e14b9c27b1ac6432f.jpeg
HDR 算法处理

5.算法编解码处理

7383613102f10e6a8ad556e1e319e432.jpeg
算法编解码处理

6. HDR 拍照log关键字

onShutterButtonFocus|connect call|Creating new stream|AlgoNativeInterface: HDR|AlgoNativeInterface: pAlgoParams|AlgoNativeInterface: algo process|IMG_20240829_195647.jpg|ACTION_UP|CAMAP_MAIN
部分log如下：

onShutterButtonFocus|connect call|Creating new stream|AlgoNativeInterface: HDR|AlgoNativeInterface: pAlgoParams|AlgoNativeInterface: algo process|IMG_20240829_195647.jpg|ACTION_UP|CAMAP_MAIN// 启动 cameraactivity行  205615: 08-29 19:56:29.548 10140 30284 30284 D _V_CAM_CameraActivity: CAMAP_MAIN: [Thread:main] CameraActivity---onStart, ActivityCode: 81415032行  205620: 08-29 19:56:29.551 10140 30284 30284 D _V_CAM_CameraActivity: CAMAP_MAIN: [Thread:main] CameraActivity---onNewIntent, ActivityCode: 81415032行  205755: 08-29 19:56:29.589 10140 30284 30284 V CAMAP_MAIN:: IS_LOG_CTRL_OPEN = true行  205756: 08-29 19:56:29.589 10140 30284 30284 D _V_CAM_CameraActivity: CAMAP_MAIN: [Thread:main] CameraActivity---onResumeTask, ActivityCode: 81415032 version: 12.1.78.8//  下发open camera行  205856: 08-29 19:56:29.632 10140 30284 19959 D _V_CAM_CameraModeProxyIml: CAMAP_MAIN: [Thread:camera_task] task thread---open camera E, CameraParam [ facing : FACING_BACK, modeName : Normal, cameraType : Master, mVModeInfo : 行  205863: 08-29 19:56:29.634 10140 30284 19959 D _V_CAM_CameraModeProxyIml: CAMAP_MAIN: [Thread:camera_task] task thread---open camera X//  连接cameraservice connect call行  205884: 08-29 19:56:29.646  1047  1557  3193 I CameraService: CameraService::connect call (PID 30284 "com.android.camera", camera ID 0) and Camera API version 2行  205956: 08-29 19:56:29.660 10140 30284 30284 D _V_CAM_StateMachine: CAMAP_MAIN: [Thread:main] change state --- photo : [ StateDestroy -> StateInit ]//  配3路流 Creating new stream行  206304: 08-29 19:56:29.769  1047  1557  3193 I Camera3-Device: Camera 0: Creating new stream 0: 1080 x 1080, format 34, dataspace 0 rotation 0 consumer usage 0, isShared 0, physicalCameraId , isMultiResolution 0 dynamicRangeProfile 0x1, streamUseCase 0, timestampBase 0, mirrorMode 0, colorSpace -1, useReadoutTimestamp 0行  206330: 08-29 19:56:29.775  1047  1557  3193 I Camera3-Device: Camera 0: Creating new stream 1: 1080 x 1080, format 35, dataspace 146931712 rotation 0 consumer usage 0, isShared 0, physicalCameraId , isMultiResolution 0 dynamicRangeProfile 0x1, streamUseCase 0, timestampBase 0, mirrorMode 0, colorSpace -1, useReadoutTimestamp 0行  206349: 08-29 19:56:29.787  1047  1557  3193 I Camera3-Device: Camera 0: Creating new stream 2: 3060 x 3060, format 35, dataspace 146931712 rotation 0 consumer usage 0, isShared 0, physicalCameraId , isMultiResolution 0 dynamicRangeProfile 0x1, streamUseCase 0, timestampBase 0, mirrorMode 0, colorSpace -1, useReadoutTimestamp 0行  207156: 08-29 19:56:30.141 10140 30284 19992 D _V_CAM_CameraModeProxyIml: CAMAP_MAIN: [Thread:camera_callback] onConfigured mode = BackNormalMainMode行  207163: 08-29 19:56:30.141 10140 30284 30284 D _V_CAM_StateMachine: CAMAP_MAIN: [Thread:main] change state --- photo : [ StateCameraOpened -> StateSessionCreated ]//  开始起预览请求 startPreview行  207247: 08-29 19:56:30.168 10140 30284 19959 D _V_CAM_CameraModeProxyIml: CAMAP_MAIN: [Thread:camera_task] ---startPreview PreviewParam {    [previewdetect = 140821240225795],    [eyeDetect = -1],    [previewAiDetect = [-1, -1]],    [vivo.control.ois = true],    [relight = 0],    [vivo.control.face.detect = true],    [vcamsdk.repeating.VideoStabilization = true],    [vivo.control.singleBlur_level = 0],    [vivo.control.portrait.effect = 0],    [vivo.record.eis.mode.enable = false],    [vivo.control.motionVersion=17],    [android.control.videoStabilizationMode=1],    [vivo.control.sod.state=0],    [vivo.parameter.temperature=43],    [vivo.control.captureStateForDetect=0],    [android.jpeg.orientation=90],    [vivo.parameter.cameraColdStart=false],    [custom.zoom=1.0],    [custom.flash_mode=0],    [custom.exposure_value=0],    }行  207407: 08-29 19:56:30.259 10140 30284 30284 D _V_CAM_ThumbnailAddition: CAMAP_MAIN: [Thread:main] updateThumbnailView//  首帧可用callback onFirstFrameAvailableCallback onFirstFrameAvailable行  207867: 08-29 19:56:30.431 10140 30284 19501 D _V_CAM_CameraActivity: CAMAP_MAIN: [Thread:VIEngine-Main]  onFirstFrameAvailableCallback行  207887: 08-29 19:56:30.437 10140 30284 30284 D _V_CAM_CameraActivity: CAMAP_MAIN: [Thread:main]  onFirstFrameAvailable//  HDR 场景下点击拍照 ACTION_UP  onShutterButtonFocus行  211606: 08-29 19:56:32.015 10069  3054  3054 D _V_InputEventReceiver: dispatchInputEvent ,vLog[a2c672 StatusBar (client)] ,event=MotionEvent { action=ACTION_UP, actionButton=0, id[0]=0, x[0]=524.0, y[0]=420.0, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=76500757, downTime=76500650, deviceId=5, source=0x1002, displayId=0, eventId=17122441 }行  215088: 08-29 19:56:33.250 10069  3054  3054 D _V_InputEventReceiver: dispatchInputEvent ,vLog[375f109 NotificationShade (client)] ,event=MotionEvent { action=ACTION_UP, actionButton=0, id[0]=0, x[0]=313.0, y[0]=651.0, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=76502116, downTime=76502045, deviceId=5, source=0x1002, displayId=0, eventId=980268846 }行  222254: 08-29 19:56:37.928 10069  3054  3054 D _V_InputEventReceiver: dispatchInputEvent ,vLog[375f109 NotificationShade (client)] ,event=MotionEvent { action=ACTION_UP, actionButton=0, id[0]=0, x[0]=686.0, y[0]=2186.0, toolType[0]=TOOL_TYPE_FINGER, buttonState=0, classification=NONE, metaState=0, flags=0x0, edgeFlags=0x0, pointerCount=1, historySize=0, eventTime=76506799, downTime=76505392, deviceId=5, source=0x1002, displayId=0, eventId=840324513 }行  235965: 08-29 19:56:47.169 10140 30284 30284 D _V_CAM_BaseBottomBar: CAMAP_MAIN: [Thread:main] onShutterButtonFocus  pressed = true行  237770: 08-29 19:56:48.077 10122 10844  4581 D AlgoNativeInterface: algo process E//  HDR 算法处理行  237774: 08-29 19:56:48.077 10122 10844  4581 D AlgoNativeInterface: algo process img[0] fd 109 width 3060 height 3060 stride 3072 scanline 3072 size 14155776 numFds 2 numInts 23 version 12行  237775: 08-29 19:56:48.077 10122 10844  4581 D AlgoNativeInterface: algo process img[1] fd 111 width 3060 height 3060 stride 3072 scanline 3072 size 14155776 numFds 2 numInts 23 version 12行  237776: 08-29 19:56:48.078 10122 10844  4581 D AlgoNativeInterface: algo process img[2] fd 113 width 3060 height 3060 stride 3072 scanline 3072 size 14155776 numFds 2 numInts 23 version 12行  237779: 08-29 19:56:48.078 10122 10844  4581 D AlgoNativeInterface: algo process imageFormat: 0x23 requestId: 8行  237814: 08-29 19:56:48.080 10122 10844  4581 D AlgoNativeInterface: HDR 3-frames version行  237872: 08-29 19:56:48.090 10122 10844  4581 D AlgoNativeInterface: pAlgoParams->frameFlag: 1724932607175 localtime:20240829195647//  HDR 算法选帧 478 479 480 3帧行  237889: 08-29 19:56:48.090 10122 10844  4581 D AlgoNativeInterface: pAlgoParams->frameId[0]: 478行  237890: 08-29 19:56:48.090 10122 10844  4581 D AlgoNativeInterface: pAlgoParams->frameId[1]: 479行  237891: 08-29 19:56:48.090 10122 10844  4581 D AlgoNativeInterface: pAlgoParams->frameId[2]: 480行  237985: 08-29 19:56:48.095 10122 10844  4581 D AlgoNativeInterface: hdrGains[0]: 6.733059, hdrShutters[0]: 30.000000, hdrFrameIndex:0行  237986: 08-29 19:56:48.095 10122 10844  4581 D AlgoNativeInterface: hdrGains[1]: 10.965449, hdrShutters[1]: 30.000000, hdrFrameIndex:1行  237987: 08-29 19:56:48.095 10122 10844  4581 D AlgoNativeInterface: hdrGains[2]: 1.454850, hdrShutters[2]: 10.000000, hdrFrameIndex:2行  238000: 08-29 19:56:48.096 10122 10844  4581 D AlgoNativeInterface: pAlgoParams->shotAeRegions left:0 top:0 right:0 bottom:0行  238009: 08-29 19:56:48.098 10122 10844  4581 D AlgoNativeInterface: algo process: pAlgoParams->satCropRegions ltwh 0 0 0 0

参考文献：

【腾讯文档】Android Framework 知识库
https://docs.qq.com/doc/DSXBmSG9VbEROUXF5

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