[2/4]解决USB摄像头打开相机预览界面绿屏

liyujie

2025-08-28 d9927380ed7c8366f762049be9f3fee225860833

 android/hardware/aw/camera/3_4/camera_config.cpp
old mode 100755new mode 100644
..
..
@@ -81,6 +81,7 @@
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 MEMBER_FUNCTION(PreviewSize)
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 MEMBER_FUNCTION(PictureSize)
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 MEMBER_FUNCTION(InterpolationSize)
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+MEMBER_FUNCTION(ReducecallnumSize)
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 MEMBER_FUNCTION(FlashMode)
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 MEMBER_FUNCTION(ColorEffect)
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 MEMBER_FUNCTION(FrameRate)
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@@ -157,6 +158,7 @@
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   CHECK_FREE_POINTER(PreviewSize)
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   CHECK_FREE_POINTER(PictureSize)
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   CHECK_FREE_POINTER(InterpolationSize)
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+  CHECK_FREE_POINTER(ReducecallnumSize)
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   CHECK_FREE_POINTER(FlashMode)
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   CHECK_FREE_POINTER(ColorEffect)
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   CHECK_FREE_POINTER(FrameRate)
..
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@@ -196,6 +198,7 @@
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   INIT_PARAMETER(PREVIEW_SIZE, PreviewSize)
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   INIT_PARAMETER(PICTURE_SIZE, PictureSize)
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   INIT_PARAMETER(INTERPOLATION_SIZE, InterpolationSize)
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+  INIT_PARAMETER(REDUCECALLNUM_SIZE, ReducecallnumSize)
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   INIT_PARAMETER(FLASH_MODE, FlashMode)
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   INIT_PARAMETER(COLOR_EFFECT, ColorEffect)
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   INIT_PARAMETER(FRAME_RATE, FrameRate)
..
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@@ -227,6 +230,7 @@
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   memset(mZoomRatios, 0, KEY_LENGTH);
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   memset(mMaxZoom, 0, 4);
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   memset(mDefaultZoom, 0, 4);
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+  memset(mReduceCallNum, 0, 4);
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   if (readKey(kUSED_ZOOM, mUsedZoom)) {
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     if (usedKey(mUsedZoom)) {
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       readKey(kZOOM_SUPPORTED, mZoomSupported);
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@@ -238,6 +242,7 @@
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       HAL_LOGV("\"%s\" not support", kUSED_ZOOM);
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     }
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   }
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+  readKey(kREDUCE_CALL_NUM, mReduceCallNum);
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   readKey(KHORIZONTAL_VIEW_ANGLE, str);
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   mHorizonalViewAngle = atof(str);
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   readKey(KVERTICAL_VIEW_ANGLE, str);
..
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@@ -264,6 +269,7 @@
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   DUMP_PARAMETERS(PREVIEW_SIZE, PreviewSize)
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   DUMP_PARAMETERS(PICTURE_SIZE, PictureSize)
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   DUMP_PARAMETERS(INTERPOLATION_SIZE, InterpolationSize)
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+  DUMP_PARAMETERS(REDUCECALLNUM_SIZE, ReducecallnumSize)
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   DUMP_PARAMETERS(FLASH_MODE, FlashMode)
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   DUMP_PARAMETERS(COLOR_EFFECT, ColorEffect)
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   DUMP_PARAMETERS(FRAME_RATE, FrameRate)
..
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@@ -277,6 +283,7 @@
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   _DUMP_PARAMETERS(kSTEP_EXPOSURE_COMPENSATION, mStepExposureCompensation)
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   _DUMP_PARAMETERS(kDEFAULT_EXPOSURE_COMPENSATION, mDefaultExposureCompensation)
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+  _DUMP_PARAMETERS(kREDUCE_CALL_NUM, mReduceCallNum)
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   _DUMP_PARAMETERS(kUSED_ZOOM, mUsedZoom)
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   _DUMP_PARAMETERS(kZOOM_SUPPORTED, mZoomSupported)
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   _DUMP_PARAMETERS(kSMOOTH_ZOOM_SUPPORTED, mSmoothZoomSupported)