cts android.hardware.camera2.cts.RecordingTest --testBasicRecording fail

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本文介绍了如何解决Android硬件摄像头CTS测试中关于帧率范围配置缺失的问题，通过修改camerafeaturetable配置文件，增加特定帧率范围[20,20]来通过测试。

android.hardware.camera2.cts.RecordingTest
– testBasicRecording
fail
junit.framework.AssertionFailedError: Frame rate range [20, 20] (for profile ID 2) must be one of the camera device available FPS range! at junit.framework.Assert.fail(Assert.java:50)
– testRecordingFromPersistentSurface
fail
junit.framework.AssertionFailedError: Frame rate range [20, 20] (for profile ID 2) must be one of the camera device available FPS range! at junit.framework.Assert.fail(Assert.java:50)

出现此fail,主要是因为Camera Feature table中配置少了一项[20,20]把这个配置在camera feature table中即可，找到camera对应的config.ftbl.*.h文件（eg：vendor/mediatek/proprietary/custom/mt6735/hal/D2/sendepfeature/gc2355_raw/config.ftbl.gc2355_raw.h，我们用的前置摄像头是gc2355_raw，就着到对应的文件config.ftbl.gc2355_raw.h），做如下配置：

#if 1
    //  Preview Frame Rate Range
    FTABLE_CONFIG_AS_TYPE_OF_USER(
       KEY_AS_(MtkCameraParameters::KEY_PREVIEW_FPS_RANGE),
       SCENE_AS_DEFAULT_SCENE(
            ITEM_AS_DEFAULT_("30000,30000"),
           ITEM_AS_USER_LIST_(
             "(15000,15000)",
  +             "(20000,20000)",
                "(24000,24000)",
              "(30000,30000)",
               "(60000,60000)",
                "(120000,120000)",
            )
        ),
    )
#endif