优化自动对焦和自动曝光的处理逻辑

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

@@ -871,47 +871,52 @@ void NdkCamera::onCaptureCompleted(ACameraCaptureSession* session, ACaptureReque
     // ACameraMetadata_getConstEntry(result, )
     ACameraMetadata_const_entry val = { 0 };
     camera_status_t status = ACAMERA_ERROR_BASE;
-    uint8_t afState = 0;
+    mResult.afState = ACAMERA_CONTROL_AF_STATE_INACTIVE;
+
+    val = { 0 };
+    status = ACameraMetadata_getConstEntry(result, ACAMERA_CONTROL_AE_STATE, &val);
+    mResult.aeState = (status == ACAMERA_OK) ? *(val.data.u8) : ACAMERA_CONTROL_AE_STATE_INACTIVE;
+
+    if (afSupported && (m_params.autoFocus != 0))
+    {
+        val = { 0 };
+        status = ACameraMetadata_getConstEntry(result, ACAMERA_CONTROL_AF_STATE, &val);
+        mResult.afState = *(val.data.u8);
+    }
 
     if (m_imagesCaptured == ~0)
     {
-        if (m_params.autoExposure != 0)
+        unsigned long long ts = GetMicroTimeStamp();
+        if (ts - m_startTime >= m_params.focusTimeout)
         {
-            val = { 0 };
+            ALOGD("onCaptureCompleted Timeout for AF/AE And will Capture AFS=%u AES=%u", (unsigned int)mResult.afState, (unsigned int)mResult.aeState);
-            status = ACameraMetadata_getConstEntry(result, ACAMERA_CONTROL_AE_STATE, &val);
+            m_imagesCaptured = 0;
-            mResult.aeState = (status == ACAMERA_OK) ? val.data.u8[0] : ACAMERA_CONTROL_AE_STATE_INACTIVE;
-            if (mResult.aeState == ACAMERA_CONTROL_AE_STATE_PRECAPTURE)
-            {
-                uint8_t aePrecatureTrigger = ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER_START;
-                status = ACaptureRequest_setEntry_u8(capture_request, ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER, 1, &aePrecatureTrigger);
-                return;
-            }
         }
-
+        else
-        if (afSupported && (m_params.autoFocus != 0))
         {
-            val = { 0 };
+            if (m_params.autoExposure != 0)
-            status = ACameraMetadata_getConstEntry(result, ACAMERA_CONTROL_AF_STATE, &val);
-            afState = *(val.data.u8);
-            ALOGD("onCaptureCompleted AF_STATE=%u", (unsigned int)afState);
-            if (afState == ACAMERA_CONTROL_AF_STATE_PASSIVE_FOCUSED || afState == ACAMERA_CONTROL_AF_STATE_FOCUSED_LOCKED)
-                // if (afState != ACAMERA_CONTROL_AF_STATE_INACTIVE)
             {
-                m_imagesCaptured = 0;
+                if (mResult.aeState == ACAMERA_CONTROL_AE_STATE_SEARCHING || mResult.aeState == ACAMERA_CONTROL_AE_STATE_PRECAPTURE)
+                {
+                    uint8_t aePrecatureTrigger = ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER_START;
+                    status = ACaptureRequest_setEntry_u8(capture_request, ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER, 1, &aePrecatureTrigger);
+                    return;
+                }
             }
-            else
+
+            if (afSupported && (m_params.autoFocus != 0))
             {
-                unsigned long long ts = GetMicroTimeStamp();
+                ALOGD("onCaptureCompleted AF_STATE=%u", (unsigned int)mResult.afState);
-                if (ts - m_startTime >= m_params.focusTimeout)
+                if (mResult.afState == ACAMERA_CONTROL_AF_STATE_PASSIVE_FOCUSED || mResult.afState == ACAMERA_CONTROL_AF_STATE_FOCUSED_LOCKED)
+                    // if (afState != ACAMERA_CONTROL_AF_STATE_INACTIVE)
                 {
-                    ALOGD("onCaptureCompleted Timeout for AutoFocus And will Capture AF_STATE=%u", (unsigned int)afState);
                     m_imagesCaptured = 0;
                 }
             }
-        }
+            else
-        else
+            {
-        {
+                m_imagesCaptured = 0;
-            m_imagesCaptured = 0;
+            }
         }
     }
 
@@ -920,8 +925,6 @@ void NdkCamera::onCaptureCompleted(ACameraCaptureSession* session, ACaptureReque
         return;
     }
 
-
-
     val = { 0 };
     status = ACameraMetadata_getConstEntry(result, ACAMERA_SENSOR_EXPOSURE_TIME, &val);
     int64_t exTime = (status == ACAMERA_OK) ? val.data.i64[0] : -1;
@@ -949,7 +952,7 @@ void NdkCamera::onCaptureCompleted(ACameraCaptureSession* session, ACaptureReque
     status = ACameraMetadata_getConstEntry(result, ACAMERA_CONTROL_AF_STATE, &val);
     mResult.afState = *(val.data.u8);
 
-    ALOGD("onCaptureCompleted AF_STATE=%u", (unsigned int)afState);
+    ALOGD("onCaptureCompleted AFS=%u", (unsigned int)mResult.afState);
 
     val = {0};
     status = ACameraMetadata_getConstEntry(result, ACAMERA_SENSOR_SENSITIVITY, &val);