camera2 ndk: Don't send onStatusChanged callbacks for devices which don't support camera2.
Bug: 143368726
Test: CTS native camera tests
Change-Id: I7b33bdc906924f3acb3d1809aacdf6e4769d0607
Signed-off-by: Jayant Chowdhary <jchowdhary@google.com>
diff --git a/camera/ndk/impl/ACameraManager.cpp b/camera/ndk/impl/ACameraManager.cpp
index 9d40fd7..457dea9 100644
--- a/camera/ndk/impl/ACameraManager.cpp
+++ b/camera/ndk/impl/ACameraManager.cpp
@@ -76,6 +76,10 @@
sp<hardware::ICameraService> CameraManagerGlobal::getCameraService() {
Mutex::Autolock _l(mLock);
+ return getCameraServiceLocked();
+}
+
+sp<hardware::ICameraService> CameraManagerGlobal::getCameraServiceLocked() {
if (mCameraService.get() == nullptr) {
if (isCameraServiceDisabled()) {
return mCameraService;
@@ -216,8 +220,12 @@
if (pair.second) {
for (auto& pair : mDeviceStatusMap) {
const String8& cameraId = pair.first;
- int32_t status = pair.second;
-
+ int32_t status = pair.second.status;
+ // Don't send initial callbacks for camera ids which don't support
+ // camera2
+ if (!pair.second.supportsHAL3) {
+ continue;
+ }
sp<AMessage> msg = new AMessage(kWhatSendSingleCallback, mHandler);
ACameraManager_AvailabilityCallback cb = isStatusAvailable(status) ?
callback->onCameraAvailable : callback->onCameraUnavailable;
@@ -236,20 +244,32 @@
mCallbacks.erase(cb);
}
+bool CameraManagerGlobal::supportsCamera2ApiLocked(const String8 &cameraId) {
+ bool camera2Support = false;
+ auto cs = getCameraServiceLocked();
+ binder::Status serviceRet =
+ cs->supportsCameraApi(String16(cameraId),
+ hardware::ICameraService::API_VERSION_2, &camera2Support);
+ if (!serviceRet.isOk()) {
+ ALOGE("%s: supportsCameraApi2Locked() call failed for cameraId %s",
+ __FUNCTION__, cameraId.c_str());
+ return false;
+ }
+ return camera2Support;
+}
+
void CameraManagerGlobal::getCameraIdList(std::vector<String8>* cameraIds) {
// Ensure that we have initialized/refreshed the list of available devices
- auto cs = getCameraService();
Mutex::Autolock _l(mLock);
-
+ // Needed to make sure we're connected to cameraservice
+ getCameraServiceLocked();
for(auto& deviceStatus : mDeviceStatusMap) {
- if (deviceStatus.second == hardware::ICameraServiceListener::STATUS_NOT_PRESENT ||
- deviceStatus.second == hardware::ICameraServiceListener::STATUS_ENUMERATING) {
+ if (deviceStatus.second.status == hardware::ICameraServiceListener::STATUS_NOT_PRESENT ||
+ deviceStatus.second.status ==
+ hardware::ICameraServiceListener::STATUS_ENUMERATING) {
continue;
}
- bool camera2Support = false;
- binder::Status serviceRet = cs->supportsCameraApi(String16(deviceStatus.first),
- hardware::ICameraService::API_VERSION_2, &camera2Support);
- if (!serviceRet.isOk() || !camera2Support) {
+ if (!deviceStatus.second.supportsHAL3) {
continue;
}
cameraIds->push_back(deviceStatus.first);
@@ -377,7 +397,7 @@
bool firstStatus = (mDeviceStatusMap.count(cameraId) == 0);
int32_t oldStatus = firstStatus ?
status : // first status
- mDeviceStatusMap[cameraId];
+ mDeviceStatusMap[cameraId].status;
if (!firstStatus &&
isStatusAvailable(status) == isStatusAvailable(oldStatus)) {
@@ -385,16 +405,19 @@
return;
}
+ bool supportsHAL3 = supportsCamera2ApiLocked(cameraId);
// Iterate through all registered callbacks
- mDeviceStatusMap[cameraId] = status;
- for (auto cb : mCallbacks) {
- sp<AMessage> msg = new AMessage(kWhatSendSingleCallback, mHandler);
- ACameraManager_AvailabilityCallback cbFp = isStatusAvailable(status) ?
- cb.mAvailable : cb.mUnavailable;
- msg->setPointer(kCallbackFpKey, (void *) cbFp);
- msg->setPointer(kContextKey, cb.mContext);
- msg->setString(kCameraIdKey, AString(cameraId));
- msg->post();
+ mDeviceStatusMap[cameraId] = StatusAndHAL3Support(status, supportsHAL3);
+ if (supportsHAL3) {
+ for (auto cb : mCallbacks) {
+ sp<AMessage> msg = new AMessage(kWhatSendSingleCallback, mHandler);
+ ACameraManager_AvailabilityCallback cbFp = isStatusAvailable(status) ?
+ cb.mAvailable : cb.mUnavailable;
+ msg->setPointer(kCallbackFpKey, (void *) cbFp);
+ msg->setPointer(kContextKey, cb.mContext);
+ msg->setString(kCameraIdKey, AString(cameraId));
+ msg->post();
+ }
}
if (status == hardware::ICameraServiceListener::STATUS_NOT_PRESENT) {
mDeviceStatusMap.erase(cameraId);
diff --git a/camera/ndk/impl/ACameraManager.h b/camera/ndk/impl/ACameraManager.h
index 8c1da36..e945ba0 100644
--- a/camera/ndk/impl/ACameraManager.h
+++ b/camera/ndk/impl/ACameraManager.h
@@ -66,9 +66,9 @@
private:
sp<hardware::ICameraService> mCameraService;
- const int kCameraServicePollDelay = 500000; // 0.5s
- const char* kCameraServiceName = "media.camera";
- Mutex mLock;
+ const int kCameraServicePollDelay = 500000; // 0.5s
+ const char* kCameraServiceName = "media.camera";
+ Mutex mLock;
class DeathNotifier : public IBinder::DeathRecipient {
public:
@@ -156,12 +156,14 @@
sp<CallbackHandler> mHandler;
sp<ALooper> mCbLooper; // Looper thread where callbacks actually happen on
+ sp<hardware::ICameraService> getCameraServiceLocked();
void onCameraAccessPrioritiesChanged();
void onStatusChanged(int32_t status, const String8& cameraId);
void onStatusChangedLocked(int32_t status, const String8& cameraId);
// Utils for status
static bool validStatus(int32_t status);
static bool isStatusAvailable(int32_t status);
+ bool supportsCamera2ApiLocked(const String8 &cameraId);
// The sort logic must match the logic in
// libcameraservice/common/CameraProviderManager.cpp::getAPI1CompatibleCameraDeviceIds
@@ -184,8 +186,16 @@
}
};
+ struct StatusAndHAL3Support {
+ int32_t status = hardware::ICameraServiceListener::STATUS_NOT_PRESENT;
+ bool supportsHAL3 = false;
+ StatusAndHAL3Support(int32_t st, bool HAL3support):
+ status(st), supportsHAL3(HAL3support) { };
+ StatusAndHAL3Support() = default;
+ };
+
// Map camera_id -> status
- std::map<String8, int32_t, CameraIdComparator> mDeviceStatusMap;
+ std::map<String8, StatusAndHAL3Support, CameraIdComparator> mDeviceStatusMap;
// For the singleton instance
static Mutex sLock;