优化拍照代码

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

@@ -396,7 +396,7 @@ int NdkCamera::open(const std::string& cameraId) {
 
     // setup imagereader and its surface
     {
-        media_status_t mstatus = AImageReader_new(foundRes.width(), foundRes.height(), AIMAGE_FORMAT_YUV_420_888, /*maxImages*/2, &image_reader);
+        media_status_t mstatus = AImageReader_new(foundRes.width(), foundRes.height(), AIMAGE_FORMAT_YUV_420_888, /*maxImages*/1, &image_reader);
 
         if (mstatus == AMEDIA_OK)
         {
@@ -585,7 +585,7 @@ void NdkCamera::close()
 
     if (image_reader != NULL)
     {
-        AImageReader_setImageListener(image_reader, NULL);
+        // AImageReader_setImageListener(image_reader, NULL);
         XYLOG(XYLOG_SEVERITY_INFO, "CameraStatus::AImageReader_delete %s", mCameraId.c_str());
 
         AImageReader_delete(image_reader);
@@ -618,13 +618,6 @@ void NdkCamera::onImageAvailable(AImageReader* reader)
         return;
     }
 
-    if (m_firstFrame)
-    {
-        // AImage_delete(image);
-        // m_firstFrame = false;
-        // return;
-    }
-
     int32_t format;
     AImage_getFormat(image, &format);
 
@@ -709,10 +702,10 @@ void NdkCamera::onImageAvailable(AImageReader* reader)
 
     if (capture_session != 0)
     {
-        camera_status_t cs = ACameraCaptureSession_stopRepeating(capture_session);
-        if (cs != ACAMERA_OK)
+        // camera_status_t cs = ACameraCaptureSession_stopRepeating(capture_session);
+        //if (cs != ACAMERA_OK)
         {
-            XYLOG(XYLOG_SEVERITY_ERROR, "ACameraCaptureSession_stopRepeating error=%d", cs);
+            // XYLOG(XYLOG_SEVERITY_ERROR, "ACameraCaptureSession_stopRepeating error=%d", cs);
         }
     }
 }