调整ImageReader buffer数量

优化日志

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

@@ -598,7 +598,7 @@ int NdkCamera::open(const std::string& cameraId) {
     }
 
 	// setup imagereader and its surface
-	media_status_t mstatus = AImageReader_new(foundRes.org_width(), foundRes.org_height(), AIMAGE_FORMAT_YUV_420_888, 5, &mPreviewImageReader);
+	media_status_t mstatus = AImageReader_new(foundRes.org_width(), foundRes.org_height(), AIMAGE_FORMAT_YUV_420_888, 4, &mPreviewImageReader);
 	if (mstatus == AMEDIA_OK)
 	{
 		AImageReader_ImageListener listener;
@@ -613,7 +613,7 @@ int NdkCamera::open(const std::string& cameraId) {
     status = ACaptureSessionOutput_create(mPreviewImageWindow, &mPreviewSessionOutput);
     status = ACaptureSessionOutputContainer_add(capture_session_output_container, mPreviewSessionOutput);
 
-	mstatus = AImageReader_new(foundRes.org_width(), foundRes.org_height(), getOutputFormat(), burstCaptures, &mImageReader);
+	mstatus = AImageReader_new(foundRes.org_width(), foundRes.org_height(), getOutputFormat(), burstCaptures + 1, &mImageReader);
 	if (mstatus == AMEDIA_OK)
 	{
 		AImageReader_ImageListener listener;
@@ -1242,7 +1242,7 @@ void NdkCamera::onImageAvailable(AImageReader* reader)
             // https://stackoverflow.com/questions/67063562
             if (mstatus != AMEDIA_IMGREADER_NO_BUFFER_AVAILABLE)
             {
-                XYLOG(XYLOG_SEVERITY_ERROR, "AImageReader_acquireLatestImage error: %d", mstatus);
+                XYLOG(XYLOG_SEVERITY_ERROR, "Preview AImageReader_acquireLatestImage error: %d", mstatus);
             }
             return;
         }
@@ -1284,7 +1284,7 @@ void NdkCamera::onImageAvailable(AImageReader* reader)
 				{
 					if (mCaptureFrames.size() < burstCaptures)
 					{
-						XYLOG(XYLOG_SEVERITY_ERROR, "AImageReader_acquireNextImage error: %d", mstatus);
+						XYLOG(XYLOG_SEVERITY_ERROR, "Capture AImageReader_acquireNextImage error: %d", mstatus);
 					}
 				}
 				return;