对焦超时的实现

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

@@ -62,12 +62,12 @@ static void onImageAvailable(void* context, AImageReader* reader)
 
 static void onSessionActive(void* context, ACameraCaptureSession *session)
 {
-    ALOGW("onSessionActive %p", session);
+    ALOGD("onSessionActive %p", session);
 }
 
 static void onSessionReady(void* context, ACameraCaptureSession *session)
 {
-    ALOGW("onSessionReady %p", session);
+    ALOGD("onSessionReady %p", session);
     ((NdkCamera*)context)->onSessionReady(session);
 }
 
@@ -83,12 +83,12 @@ void onCaptureFailed(void* context, ACameraCaptureSession* session, ACaptureRequ
 
 void onCaptureSequenceCompleted(void* context, ACameraCaptureSession* session, int sequenceId, int64_t frameNumber)
 {
-    ALOGW("onCaptureSequenceCompleted %p %d %ld", session, sequenceId, frameNumber);
+    ALOGD("onCaptureSequenceCompleted %p %d %ld", session, sequenceId, frameNumber);
 }
 
 void onCaptureSequenceAborted(void* context, ACameraCaptureSession* session, int sequenceId)
 {
-    ALOGW("onCaptureSequenceAborted %p %d", session, sequenceId);
+    ALOGD("onCaptureSequenceAborted %p %d", session, sequenceId);
 }
 
 void onCaptureProgressed(void* context, ACameraCaptureSession* session, ACaptureRequest* request, const ACameraMetadata* result)
@@ -102,7 +102,7 @@ void onCaptureProgressed(void* context, ACameraCaptureSession* session, ACapture
     {
         uint8_t afState = *(val.data.u8);
 
-        ALOGW("onCaptureProgressed AF_STATE=%u", (unsigned int)afState);
+        ALOGD("onCaptureProgressed AF_STATE=%u", (unsigned int)afState);
 
         // ((NdkCamera*)context)->onCaptureProgressed(session, request, result);
     }
@@ -400,7 +400,7 @@ 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*/1, &image_reader);
+        media_status_t mstatus = AImageReader_new(foundRes.width(), foundRes.height(), AIMAGE_FORMAT_YUV_420_888, /*maxImages*/2, &image_reader);
 
         if (mstatus == AMEDIA_OK)
         {
@@ -451,7 +451,7 @@ int NdkCamera::open(const std::string& cameraId) {
             status = ACaptureRequest_setEntry_u8(capture_request, ACAMERA_CONTROL_AF_MODE, 1, &afMode);
 
             uint8_t trig = ACAMERA_CONTROL_AF_TRIGGER_START;
-            status = ACaptureRequest_setEntry_u8(capture_request, ACAMERA_CONTROL_AF_TRIGGER, 1, &trig);
+            // status = ACaptureRequest_setEntry_u8(capture_request, ACAMERA_CONTROL_AF_TRIGGER, 1, &trig);
             m_imagesCaptured = (status == ACAMERA_OK) ? ~0 : 0;
         }
         else
@@ -522,6 +522,8 @@ int NdkCamera::open(const std::string& cameraId) {
         {
             status = ACameraCaptureSession_capture(capture_session, &camera_capture_session_capture_callbacks, 1, &capture_request, &captureSequenceId);
         }
+
+        m_startTime = GetMicroTimeStamp();
     }
 
     return status == ACAMERA_OK ? 0 : 1;
@@ -602,7 +604,7 @@ void NdkCamera::close()
 
 void NdkCamera::onImageAvailable(AImageReader* reader)
 {
-    ALOGW("onImageAvailable %p", reader);
+    ALOGD("onImageAvailable %p", reader);
 
     AImage* image = 0;
     media_status_t status = AImageReader_acquireLatestImage(reader, &image);
@@ -848,12 +850,21 @@ void NdkCamera::onCaptureCompleted(ACameraCaptureSession* session, ACaptureReque
             val = { 0 };
             status = ACameraMetadata_getConstEntry(result, ACAMERA_CONTROL_AF_STATE, &val);
             afState = *(val.data.u8);
-            ALOGW("onCaptureCompleted AF_STATE=%u", (unsigned int)afState);
+            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;
             }
+            else
+            {
+                unsigned long long ts = GetMicroTimeStamp();
+                if (ts - m_startTime >= 1000)
+                {
+                    ALOGD("onCaptureCompleted Timeout for AutoFocus And will Capture AF_STATE=%u", (unsigned int)afState);
+                    m_imagesCaptured = 0;
+                }
+            }
         }
         else
         {
@@ -893,7 +904,7 @@ void NdkCamera::onCaptureCompleted(ACameraCaptureSession* session, ACaptureReque
     status = ACameraMetadata_getConstEntry(result, ACAMERA_CONTROL_AF_STATE, &val);
     mResult.afState = *(val.data.u8);
 
-    ALOGW("onCaptureCompleted AF_STATE=%u", (unsigned int)afState);
+    ALOGD("onCaptureCompleted AF_STATE=%u", (unsigned int)afState);
 
     val = {0};
     status = ACameraMetadata_getConstEntry(result, ACAMERA_SENSOR_SENSITIVITY, &val);

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

@@ -142,6 +142,7 @@ protected:
     unsigned int m_imagesCaptured;
 
     CAPTURE_RESULT mResult;
+    unsigned long long m_startTime;
 
 protected: