使用imx8mm的相机捕获延迟怎么解决？

我们正在使用 imx8mm 和我们的定制板，加载了 Android 11。还添加了 ov5640 相机支持。
csi_mclk: csi-mclk {
        兼容=“脉宽调制时钟”；
        #clock-cells = <0>;
        时钟频率 = <20000000>；
        时钟输出名称=“csi_mclk”；
        pwms = <&pwm4 0 50>; /* 1 / 50 纳秒 = 20 兆赫 */
};
&i2c4c {
        ov5640-mipi1@3c {
                AVDD 供应 = <®_ldo3>;
                DOVDD 供应 = <®_vref_1v8>;
                DVDD 供应 = <®_vref_3v3>;
                时钟 = <&csi_mclk>;
                时钟名称=“xclk”；
                compatible = "ovti,ov5640_mipisubdev";
                csi_id = <0>;
                mclk = <20000000>;
                mipi_csi；
                pinctrl-名称=“默认”；
                pinctrl-0 = <&pinctrl_i2c4_ov5640_mipi>;
                powerdown-gpios = GP_OV5640_MIPI_POWER_DOWN;
                reg = <0x3c>;
                重置-gpios = GP_OV5640_MIPI_RESET;
                状态=“好的”；

                港口 {
                        ov5640_mipi1_ep：端点{
                                远程端点 = <&mipi1_ov5640_ep>;
                        };
                };
        };
};
&mipi_csi_1 {
    #address-cells = <1>;
    #size-cells = <0>;
    状态=“好的”；
    港口 {
        mipi1_ov5640_ep: 端点@1 {
            远程端点 = <&ov5640_mipi1_ep>；
            数据通道=<2>；
            csis-hs-settle = <13>;
            csis-clk-settle = <2>;
            csis-wclk；
        };

        csi1_mipi_ep: 端点@2 {
            远程端点 = <&csi1_ep>;
        };
    };
};
&csi1_bridge {
    fsl，mipi 模式；
    状态=“好的”；

    港口 {
        csi1_ep：端点{
            远程端点 = <&csi1_mipi_ep>;
        };
    };
};

我们在使用 ov5640 捕获 5mp 图像时遇到问题。我们观察到在单击捕捉按钮与图像捕捉发生之间有 1 秒的延迟。因此，我们得到的框架与我们想要的不同。

10-11 11:15:08.384  2933  2933 D CAM_LcyLocProvider: No location received yet.
10-11 11:15:08.401  2933  3005 D CAM_CommandExecutor: Executing command: PictureTakerCommand{command=com.android.camera.one.v2.photo.SimpleImageCaptureCommand@1c64da7} START
10-11 11:15:08.411  2933  2933 V CAM_CameraActivity: onSessionQueued: camera_session://google.com/4c388a54-1251-4620-beed-53eaa1b909a5
10-11 11:15:08.414  2933  2933 V CAM_FilmstripView: suggesting item bounds: 640x886
10-11 11:15:08.415  2933  2933 V CAM_FilmstripView: getRecycledView, recycled=false
10-11 11:15:08.419  2933  2933 V CAM_FilmstripView: recycleView
10-11 11:15:08.421  2933  2933 I CAM_FilmstripView: [ViewItem:0] mData.renderThumbnail()
10-11 11:15:08.422  2933  2933 D CAM_FilmstripView: onFilmstripItemInserted()
10-11 11:15:08.447   415   452 I gralloc_driver: is_supported check descriptor name=ImageReader-2592x1944f100m15-2933-0, width=8388608, height=1, droid_format=BLOB, usage=CAMERA_OUTPUT|CPU_READ_OFTEN|GPU_RE
10-11 11:15:08.482   412  1813 I CameraDeviceSessionHwlImpl: PickConfigStream: previewIdx 1, callbackIdx -1, stillcapIdx 0, recordIdx -1, intent 2
10-11 11:15:08.482   412  1813 I CameraDeviceSessionHwlImpl: choose stream index 0 as config stream
---------diff--------
10-11 11:15:08.482   412  1813 I MMAPStream: onDeviceStopLocked
10-11 11:15:08.484   412  1813 I MMAPStream: onDeviceConfigureLocked
10-11 11:15:08.484   412  1813 I MMAPStream: onDeviceConfigureLocked, Width * Height 2592 x 1944 format YUYV, fps: 30, capturemode 5
----------------------
10-11 11:15:08.940   412  1813 I VideoStream: postConfigure, set omit frames 2 for 2592x1944
---------diff--------
10-11 11:15:08.940   412  1813 I MMAPStream: onDeviceStartLocked
10-11 11:15:08.954   412  1813 I MMAPStream: onDeviceStartLocked, register buffer, phy 0x94200000, virt 0xf5733b42a000, size 10077696
10-11 11:15:08.960   412  1813 I MMAPStream: onDeviceStartLocked, register buffer, phy 0x94c00000, virt 0xf5733aa8d000, size 10077696
10-11 11:15:08.960   412  1813 I MMAPStream: onDeviceStartLocked VIDIOC_QBUF phy:0x94200000
10-11 11:15:08.960   412  1813 I MMAPStream: onDeviceStartLocked VIDIOC_QBUF phy:0x94c00000
----------------------
10-11 11:15:08.997   585  1298 I system_server: oneway function results will be dropped but finished with status OK and parcel size 4
10-11 11:15:08.998   585  1011 I system_server: oneway function results will be dropped but finished with status OK and parcel size 4
10-11 11:15:08.999   429  2714 D AF::TrackHandle: OpPlayAudio: track:63 usage:13 not muted
10-11 11:15:09.001  2933  2933 I AudioTrack: createTrack_l(0): AUDIO_OUTPUT_FLAG_FAST successful; frameCount 0 -> 20073
10-11 11:15:09.001   585  1011 I system_server: oneway function         results will be dropped but finished with status OK and parcel size 8
10-11 11:15:09.004   585  1011 I system_server: oneway function results will be dropped but finished with status OK and parcel size 4
10-11 11:15:09.005   406  1238 W audio_hw_primary: ret -32, pcm write 768 error wait error: hw 0xdec0 app 0xe4c0 avail 0x0
10-11 11:15:09.005   406  1238 W audio_hw_primary: : Broken pipe
---------diff--------
10-11 11:15:09.147   412  2997 I MMAPStream: onFrameAcquireLocked omit frame
10-11 11:15:09.214   412  2997 I MMAPStream: onFrameAcquireLocked omit frame
----------------------
10-11 11:15:09.348   412  2997 E CameraUtils: Error: getSizeByForamtRes format 0x21 not supported
10-11 11:15:09.349   412  2997 E JpegBuilder: Invalid GPS coordinate
10-11 11:15:09.349   412  2997 E JpegBuilder: Invalid GPS coordinate
10-11 11:15:09.349   412  2997 E CameraMetadata: Get: error reading tag
10-11 11:15:09.349   412  2997 E CameraMetadata: Get: error reading tag
10-11 11:15:09.548   412  2997 I CameraDeviceSessionHwlImpl: processJpegBuffer, dstbuf size 8388608, 10119168, jpeg_size 3550669, max jpeg size 8388608
10-11 11:15:09.553   412   412 I CameraDeviceSessionHwlImpl: PickConfigStream: previewIdx 1, callbackIdx -1, stillcapIdx 0, recordIdx -1, intent 1
10-11 11:15:09.553   412   412 I CameraDeviceSessionHwlImpl: choose stream index 1 as config stream
---------diff---------
10-11 11:15:09.554   412   412 I MMAPStream: onDeviceStopLocked
10-11 11:15:09.560   412   412 I MMAPStream: onDeviceConfigureLocked
10-11 11:15:09.560   412   412 I MMAPStream: onDeviceConfigureLocked, Width * Height 640 x 480 format YUYV, fps: 30, capturemode 0
-----------------------
10-11 11:15:09.561  2933  2933 V CAM_CaptureModule: AF status is state:INACTIVE
---------diff---------
10-11 11:15:09.760   412   412 I MMAPStream: onDeviceStartLocked
10-11 11:15:09.766   412   412 I MMAPStream: onDeviceStartLocked, register buffer, phy 0x8e600000, virt 0xf5734bf70000, size 614400
10-11 11:15:09.767   412   412 I MMAPStream: onDeviceStartLocked, register buffer, phy 0x8ea00000, virt 0xf57348069000, size 614400
10-11 11:15:09.768   412   412 I MMAPStream: onDeviceStartLocked, register buffer, phy 0x8eb00000, virt 0xf57347fd3000, size 614400
10-11 11:15:09.768   412   412 I MMAPStream: onDeviceStartLocked VIDIOC_QBUF phy:0x8e600000
10-11 11:15:09.768   412   412 I MMAPStream: onDeviceStartLocked VIDIOC_QBUF phy:0x8ea00000
10-11 11:15:09.768   412   412 I MMAPStream: onDeviceStartLocked VIDIOC_QBUF phy:0x8eb00000
-----------------------
10-11 11:15:09.807  2933  3005 D CAM_ProcessingSvcMgr: Task added. Queue size now: 1
10-11 11:15:09.810   585  1011 W ActivityManager: Unable to start service Intent { cmp=com.android.camera2/com.android.camera.processing.ProcessingService } U=0: not found
10-11 11:15:09.811  2933  3005 V CAM_ImageBackend: Received an opened image: 1/0

10-11 11:15:09.811  2933  3005 V CAM_ImageBackend: Setting an image reference count of 1   Total refs = 1
10-11 11:15:09.813  2933  3005 D CAM_CommandExecutor: Executing command: PictureTakerCommand{command=com.android.camera.one.v2.photo.SimpleImageCaptureCommand@1c64da7} END
10-11 11:15:09.838  2933  3013 V CAM_ImageBackend: Ref release.  Total refs = 0
10-11 11:15:09.839  2933  3013 V CAM_ImageBackend: Ref release close.
10-11 11:15:09.839  2933  3014 E ion     : ioctl c0044901 failed with code -1: Inappropriate ioctl for device
10-11 11:15:09.841  2933  3014 V CAM_ImageBackend: Release of image occurred.  Good fun. Total Images Open/Closed = 1/1
10-11 11:15:09.894  2933  2933 V CAM_CaptureModule: AF status is state:PASSIVE_SCAN
10-11 11:15:09.895  2933  2933 V CAM_FocusController: Running showPassiveFocusAtCenter()
10-11 11:15:09.896  2933  2933 I CAM_FocusRingView: Computing center via preview size.
10-11 11:15:09.949     0     0 W healthd : battery l=100 v=4404 t=20.0 h=2 st=5 c=1 chg=a
10-11 11:15:10.040  2933  2952 D CompatibilityChangeReporter: Compat change id reported: 150939131; UID 10098; state: DISABLED
10-11 11:15:10.041  2933  2981 V CAM_CameraDataAdapter: updating media metadata with photos newer than id: 76
10-11 11:15:10.053  1302  2414 W SQLiteQueryBuilder: Allowing abusive custom column: LIKE
10-11 11:15:10.054  1302  2414 W SQLiteQueryBuilder: Allowing abusive custom column: AND
10-11 11:15:10.054  1302  2414 W SQLiteQueryBuilder: Allowing abusive custom column: DESC
10-11 11:15:10.066  2933  2981 W CAM_PhotoDataFact: Zero dimension in ContentResolver for /storage/emulated/0/DCIM/Camera/IMG_20221011_111508.jpg:0x0
10-11 11:15:10.069  2933  2981 D skia    : --- Failed to create image decoder with message 'unimplemented'
10-11 11:15:10.090  2933  2981 W CAM_PhotoDataFact: Dimension decode failed for /storage/emulated/0/DCIM/Camera/IMG_20221011_111508.jpg
10-11 11:15:10.130  1302  2414 W SQLiteQueryBuilder: Allowing abusive custom column: AND
10-11 11:15:10.130  1302  2414 W SQLiteQueryBuilder: Allowing abusive custom column: IN
10-11 11:15:10.168  2933  3013 D StrictMode: StrictMode policy violation: android.os.strictmode.ContentUriWithoutPermissionViolation: content://media/external/images/media/77 exposed beyond app through Int?
10-11 11:15:10.168  2933  3013 D StrictMode:    at android.os.StrictMode.onContentUriWithoutPermission(StrictMode.java:2149)
10-11 11:15:10.168  2933  3013 D StrictMode:    at android.net.Uri.checkContentUriWithoutPermission(Uri.java:2403)
10-11 11:15:10.168  2933  3013 D StrictMode:    at android.content.Intent.prepareToLeaveProcess(Intent.java:11164)
10-11 11:15:10.168  2933  3013 D StrictMode:    at android.content.Intent.prepareToLeaveProcess(Intent.java:11104)
10-11 11:15:10.168  2933  3013 D StrictMode:    at android.app.ContextImpl.sendBroadcast(ContextImpl.java:1114)
10-11 11:15:10.168  2933  3013 D StrictMode:    at android.content.ContextWrapper.sendBroadcast(ContextWrapper.java:468)
10-11 11:15:10.168  2933  3013 D StrictMode:    at com.android.camera.util.CameraUtil.broadcastNewPicture(CameraUtil.java:749)
10-11 11:15:10.168  2933  3013 D StrictMode:    at com.android.camera.session.PlaceholderManager.finishPlaceholder(PlaceholderManager.java:140)
10-11 11:15:10.168  2933  3013 D StrictMode:    at com.android.camera.session.CaptureSessionImpl.saveAndFinish(CaptureSessionImpl.java:322)
10-11 11:15:10.168  2933  3013 D StrictMode:    at com.android.camera.processing.imagebackend.TaskCompressImageToJpeg.run(TaskCompressImageToJpeg.java:344)
10-11 11:15:10.168  2933  3013 D StrictMode:    at com.android.camera.processing.imagebackend.ImageBackend$TaskDoneWrapper.run(ImageBackend.java:829)
10-11 11:15:10.168  2933  3013 D StrictMode:    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
10-11 11:15:10.168  2933  3013 D StrictMode:    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
10-11 11:15:10.168  2933  3013 D StrictMode:    at java.lang.Thread.run(Thread.java:923)
10-11 11:15:10.168  2933  3013 D StrictMode:    at com.android.camera.async.AndroidPriorityThread.run(AndroidPriorityThread.java:26)
10-11 11:15:10.181  2933  3013 D StrictMode: StrictMode policy violation: android.os.strictmode.ContentUriWithoutPermissionViolation: content://media/external/images/media/77 exposed beyond app through Int?
10-11 11:15:10.181  2933  3013 D StrictMode:    at android.os.StrictMode.onContentUriWithoutPermission(StrictMode.java:2149)
10-11 11:15:10.181  2933  3013 D StrictMode:    at android.net.Uri.checkContentUriWithoutPermission(Uri.java:2403)
10-11 11:15:10.181  2933  3013 D StrictMode:    at android.content.Intent.prepareToLeaveProcess(Intent.java:11164)
10-11 11:15:10.181  2933  3013 D StrictMode:    at android.content.Intent.prepareToLeaveProcess(Intent.java:11104)
10-11 11:15:10.181  2933  3013 D StrictMode:    at android.app.ContextImpl.sendBroadcast(ContextImpl.java:1114)
10-11 11:15:10.181  2933  3013 D StrictMode:    at android.content.ContextWrapper.sendBroadcast(ContextWrapper.java:468)
10-11 11:15:10.181  2933  3013 D StrictMode:    at com.android.camera.util.CameraUtil.broadcastNewPicture(CameraUtil.java:751)
10-11 11:15:10.181  2933  3013 D StrictMode:    at com.android.camera.session.PlaceholderManager.finishPlaceholder(PlaceholderManager.java:140)
10-11 11:15:10.181  2933  3013 D StrictMode:    at com.android.camera.session.CaptureSessionImpl.saveAndFinish(CaptureSessionImpl.java:322)
10-11 11:15:10.181  2933  3013 D StrictMode:    at com.android.camera.processing.imagebackend.TaskCompressImageToJpeg.run(TaskCompressImageToJpeg.java:344)
10-11 11:15:10.181  2933  3013 D StrictMode:    at com.android.camera.processing.imagebackend.ImageBackend$TaskDoneWrapper.run(ImageBackend.java:829)
10-11 11:15:10.181  2933  3013 D StrictMode:    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
10-11 11:15:10.181  2933  3013 D StrictMode:    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
10-11 11:15:10.181  2933  3013 D StrictMode:    at java.lang.Thread.run(Thread.java:923)
10-11 11:15:10.181  2933  3013 D StrictMode:    at com.android.camera.async.AndroidPriorityThread.run(AndroidPriorityThread.java:26)
10-11 11:15:10.193  2933  2933 V CAM_CameraActivity: onSessionDone:camera_session://google.com/4c388a54-1251-4620-beed-53eaa1b909a5
10-11 11:15:10.200  1302  1322 W SQLiteQueryBuilder: Allowing abusive custom column: LIKE
10-11 11:15:10.200  1302  1322 W SQLiteQueryBuilder: Allowing abusive custom column: AND
10-11 11:15:10.200  1302  1322 W SQLiteQueryBuilder: Allowing abusive custom column: DESC
10-11 11:15:10.218   585   638 I DropBoxManagerService: add tag=system_app_strictmode isTagEnabled=true flags=0x2
10-11 11:15:10.231  2933  2933 I CAM_FilmstripView: [ViewItem:0] mData.renderTiny()
10-11 11:15:10.233  2933  2933 V CAM_FilmstripView: updateViewItem() - recycling old data item and setting new
10-11 11:15:10.239  2933  2933 D CAM_FilmstripView: updateViewItem(bufferIndex: 2)
10-11 11:15:10.239  2933  2933 D CAM_FilmstripView: updateViewItem() - mIsUserScrolling: false
10-11 11:15:10.240  2933  2933 D CAM_FilmstripView: updateViewItem() - mController.isScrolling() - false
10-11 11:15:10.240  2933  2933 I CAM_FilmstripView: [ViewItem:0] mData.renderThumbnail()
10-11 11:15:10.263  1302  1322 W MediaProvider: Using FUSE for /storage/emulated/0/DCIM/Camera/IMG_20221011_111508.jpg
10-11 11:15:10.266  1302  1347 W SQLiteQueryBuilder: Allowing abusive custom column: AND
10-11 11:15:10.307  1302  1347 W MediaProvider: Using FUSE for /storage/emulated/0/DCIM/Camera/IMG_20221011_111508.jpg
10-11 11:15:10.313  1302  2414 W MediaProvider: Using FUSE for /storage/emulated/0/DCIM/Camera/IMG_20221011_111508.jpg
10-11 11:15:10.326  1302  1347 W MediaProvider: Using FUSE for /storage/emulated/0/DCIM/Camera/IMG_20221011_111508.jpg

但是当我们将捕捉选项更改为 .3mp 时，这种延迟就看不到了。
这个问题的原因可能是什么？