实现RAW自动切换

app/src/main/cpp/camera2/ndkcamera.cpp

@@ -164,6 +164,7 @@ NdkCamera::NdkCamera(int32_t width, int32_t height, const NdkCamera::CAMERA_PARA
 
 	mResult = { 0 };
 	mLdr = ~0;
+	mFinalLdr = 0;
 }
 
 NdkCamera::~NdkCamera()
@@ -1206,7 +1207,7 @@ void NdkCamera::onImageAvailable(AImageReader* reader)
 	}
 	else
 	{
-        uint32_t burstCaptures = m_params.burstCaptures;
+        uint32_t burstCaptures = getBurstCaptures();
 		if (burstCaptures == 0)
 		{
 			burstCaptures = 1;
@@ -1219,7 +1220,7 @@ void NdkCamera::onImageAvailable(AImageReader* reader)
 				// https://stackoverflow.com/questions/67063562
 				if (mstatus != AMEDIA_IMGREADER_NO_BUFFER_AVAILABLE)
 				{
-					if (mCaptureFrames.size() < m_params.burstCaptures)
+					if (mCaptureFrames.size() < burstCaptures)
 					{
 						XYLOG(XYLOG_SEVERITY_ERROR, "AImageReader_acquireNextImage error: %d", mstatus);
 					}
@@ -1324,7 +1325,7 @@ void NdkCamera::onImageAvailable(AImageReader* reader)
 
 			if (captureCompleted)
 			{
-				onOneCapture(mCharacteristics, result, mLdr, mOneFrame);
+				onOneCapture(mCharacteristics, result, mFinalLdr, mOneFrame);
 			}
 		}
 		else
@@ -1337,7 +1338,7 @@ void NdkCamera::onImageAvailable(AImageReader* reader)
 					// https://stackoverflow.com/questions/67063562
 					if (mstatus != AMEDIA_IMGREADER_NO_BUFFER_AVAILABLE)
 					{
-						if (mCaptureFrames.size() < m_params.burstCaptures)
+						if (mCaptureFrames.size() < burstCaptures)
 						{
 							XYLOG(XYLOG_SEVERITY_ERROR, "AImageReader_acquireNextImage error: %d", mstatus);
 						}
@@ -1676,6 +1677,9 @@ void NdkCamera::onCaptureCompleted(ACameraCaptureSession* session, ACaptureReque
 			XYLOG(XYLOG_SEVERITY_INFO, "Ready for Capture AFS=%u AES=%u AWBS=%u Time=%u",
 				(unsigned int)afState, (unsigned int)aeState, (unsigned int)awbState, (unsigned int)(ts - m_startTime));
 
+			// Must update mFinalLdr As getBurstCaptures getOutputFormat depends mFinalLdr
+			mFinalLdr = mLdr;
+
             uint32_t burstCaptures = getBurstCaptures();
             if (burstCaptures == 0)
             {
@@ -1742,7 +1746,7 @@ void NdkCamera::onCaptureCompleted(ACameraCaptureSession* session, ACaptureReque
 
 			if (captureCompleted)
 			{
-				onOneCapture(mCharacteristics, captureResult, mLdr, mOneFrame);
+				onOneCapture(mCharacteristics, captureResult, mFinalLdr, mOneFrame);
 			}
 		}
         else
@@ -1769,7 +1773,7 @@ void NdkCamera::FireBurstCapture()
     std::vector<std::shared_ptr<AImage> > captureFrames;
 
     m_locker.lock();
-    ldr = mLdr;
+    ldr = mFinalLdr;
     captureResults.swap(mCaptureResults);
     captureFrames.swap(mCaptureFrames);
     m_locker.unlock();
@@ -1894,12 +1898,13 @@ bool NdkCamera::IsCameraAvailable(const std::string& cameraId)
 
 int32_t NdkCamera::getOutputFormat() const
 {
-	return m_params.burstRawCapture ? AIMAGE_FORMAT_RAW16 : AIMAGE_FORMAT_YUV_420_888;
+	return (m_params.burstRawCapture == 0) ? AIMAGE_FORMAT_YUV_420_888 : ((m_params.burstRawCapture != 1 || mFinalLdr <= 50) ? AIMAGE_FORMAT_RAW16 : AIMAGE_FORMAT_YUV_420_888);
+	// return m_params.burstRawCapture ? AIMAGE_FORMAT_RAW16 : AIMAGE_FORMAT_YUV_420_888;
 }
 
 int32_t NdkCamera::getBurstCaptures() const
 {
-	return m_params.burstRawCapture ? m_params.burstCaptures : 1;
+	return (m_params.burstRawCapture == 0) ? 1 : ((m_params.burstRawCapture != 1 || mFinalLdr <= 50) ? m_params.burstCaptures : 1);
 }
 
 void NdkCamera::CreateSession(ANativeWindow* previewWindow,

app/src/main/cpp/camera2/ndkcamera.h

@@ -81,8 +81,8 @@ public:
         unsigned int orientation:3;
         unsigned int zoom : 1;
         unsigned int wait3ALocked : 3;
-        unsigned int burstRawCapture : 1;
-        unsigned int reserved : 18;
+        unsigned int burstRawCapture : 2;
+        unsigned int reserved : 16;
         int64_t exposureTime;
         unsigned int sensitivity;
         int compensation;
@@ -183,7 +183,7 @@ public:
 
     uint32_t GetLdr() const
     {
-        return mLdr;
+        return mFinalLdr;
     }
 
     bool IsCameraAvailable(const std::string& cameraId);
@@ -255,6 +255,7 @@ protected:
     std::shared_ptr<ACameraMetadata> mPreviewResults;
     std::vector<std::shared_ptr<ACameraMetadata> > mCaptureResults;
     uint32_t mLdr;
+    uint32_t mFinalLdr;
     std::vector<std::shared_ptr<AImage> > mCaptureFrames;
 
     cv::Mat mOneFrame;