android 8 改前后摄强制固定20fps_sys.ipo.disable=1-优快云博客

— a/device/mediateksample/k39tv1_bsp_1g/system.prop
+++ b/device/mediateksample/k39tv1_bsp_1g/system.prop
@@ -74,3 +74,7 @@ ro.mtk_perf_response_time=1

disable ipo for development

sys.ipo.disable=1
+
+# dw force cam fps 20
+dw.forceFPS.enable = 20
+
diff --git a/vendor/mediatek/proprietary/hardware/mtkcam/legacy/platform/mt6739/v1/adapter/MtkDefault/MtkDefaultCamParameter.cpp b/vendor/mediatek/proprietary/hardware/mtkcam/legacy/platform/mt6739/v1/adapter/MtkDefault/MtkDefaultCamParameter.cpp
index ab19fbc814…eb167cd087 100755
— a/vendor/mediatek/proprietary/hardware/mtkcam/legacy/platform/mt6739/v1/adapter/MtkDefault/MtkDefaultCamParameter.cpp
+++ b/vendor/mediatek/proprietary/hardware/mtkcam/legacy/platform/mt6739/v1/adapter/MtkDefault/MtkDefaultCamParameter.cpp
@@ -275,6 +275,14 @@ setParameters()
cam3aParam.i4MinFps = forceFPS1000;
cam3aParam.i4MaxFps = forceFPS1000;
}

          MUINT32 dwForceFPS  = ::property_get_int32("dw.forceFPS.enable", 0);

```
          if (dwForceFPS > 0)
```
```
          {
```

       MY_LOGD("zdc dw forceFPS(%d)", dwForceFPS);

              cam3aParam.i4MinFps = dwForceFPS*1000;

       cam3aParam.i4MaxFps = dwForceFPS*1000;

```
   }
```

   //
   MY_LOGD("FPS:RH(%d),isDynamicFps(%d),isSlowMotion(%d),bFixFps(%d),mPreviewMaxFps(%d),previewFps(%d),Min(%d),Max(%d)",
           mpParamsMgr->getRecordingHint(),