Camera: Add support for physical camera characteristics query
- Add version 3.5 for ICameraDevice for physical camera characteristics
query.
- Add version 3.5 for ICameraDeviceSession to work around HIDL
versioning bug.
Test: Camera CTS
Bug: 79523700
Change-Id: I8df6cdd4ee6ac5755758510c0dc1ea1cec31aa73
diff --git a/camera/device/3.2/default/CameraDevice.cpp b/camera/device/3.2/default/CameraDevice.cpp
index dfbb976..2e80ce8 100644
--- a/camera/device/3.2/default/CameraDevice.cpp
+++ b/camera/device/3.2/default/CameraDevice.cpp
@@ -101,7 +101,7 @@
}
// Methods from ::android::hardware::camera::device::V3_2::ICameraDevice follow.
-Return<void> CameraDevice::getResourceCost(getResourceCost_cb _hidl_cb) {
+Return<void> CameraDevice::getResourceCost(ICameraDevice::getResourceCost_cb _hidl_cb) {
Status status = initStatus();
CameraResourceCost resCost;
if (status == Status::OK) {
@@ -141,7 +141,8 @@
return Void();
}
-Return<void> CameraDevice::getCameraCharacteristics(getCameraCharacteristics_cb _hidl_cb) {
+Return<void> CameraDevice::getCameraCharacteristics(
+ ICameraDevice::getCameraCharacteristics_cb _hidl_cb) {
Status status = initStatus();
CameraMetadata cameraCharacteristics;
if (status == Status::OK) {
@@ -172,7 +173,8 @@
return status;
}
-Return<void> CameraDevice::open(const sp<ICameraDeviceCallback>& callback, open_cb _hidl_cb) {
+Return<void> CameraDevice::open(const sp<ICameraDeviceCallback>& callback,
+ ICameraDevice::open_cb _hidl_cb) {
Status status = initStatus();
sp<CameraDeviceSession> session = nullptr;
diff --git a/camera/device/3.2/default/CameraDevice_3_2.h b/camera/device/3.2/default/CameraDevice_3_2.h
index 9534707..f474533 100644
--- a/camera/device/3.2/default/CameraDevice_3_2.h
+++ b/camera/device/3.2/default/CameraDevice_3_2.h
@@ -51,7 +51,7 @@
/*
* The camera device HAL implementation is opened lazily (via the open call)
*/
-struct CameraDevice : public ICameraDevice {
+struct CameraDevice : public virtual RefBase {
// Called by provider HAL. Provider HAL must ensure the uniqueness of
// CameraDevice object per cameraId, or there could be multiple CameraDevice
// trying to access the same physical camera.
@@ -60,7 +60,14 @@
CameraDevice(sp<CameraModule> module,
const std::string& cameraId,
const SortedVector<std::pair<std::string, std::string>>& cameraDeviceNames);
- ~CameraDevice();
+ virtual ~CameraDevice();
+
+ // Retrieve the HIDL interface, split into its own class to avoid inheritance issues when
+ // dealing with minor version revs and simultaneous implementation and interface inheritance
+ virtual sp<ICameraDevice> getInterface() {
+ return new TrampolineDeviceInterface_3_2(this);
+ }
+
// Caller must use this method to check if CameraDevice ctor failed
bool isInitFailed() { return mInitFail; }
// Used by provider HAL to signal external camera disconnected
@@ -68,16 +75,16 @@
/* Methods from ::android::hardware::camera::device::V3_2::ICameraDevice follow. */
// The following method can be called without opening the actual camera device
- Return<void> getResourceCost(getResourceCost_cb _hidl_cb) override;
- Return<void> getCameraCharacteristics(getCameraCharacteristics_cb _hidl_cb) override;
- Return<Status> setTorchMode(TorchMode mode) override;
+ Return<void> getResourceCost(ICameraDevice::getResourceCost_cb _hidl_cb);
+ Return<void> getCameraCharacteristics(ICameraDevice::getCameraCharacteristics_cb _hidl_cb);
+ Return<Status> setTorchMode(TorchMode mode);
// Open the device HAL and also return a default capture session
- Return<void> open(const sp<ICameraDeviceCallback>& callback, open_cb _hidl_cb) override;
+ Return<void> open(const sp<ICameraDeviceCallback>& callback, ICameraDevice::open_cb _hidl_cb);
// Forward the dump call to the opened session, or do nothing
- Return<void> dumpState(const ::android::hardware::hidl_handle& fd) override;
+ Return<void> dumpState(const ::android::hardware::hidl_handle& fd);
/* End of Methods from ::android::hardware::camera::device::V3_2::ICameraDevice */
protected:
@@ -106,6 +113,39 @@
static Status getHidlStatus(int);
Status initStatus() const;
+
+private:
+ struct TrampolineDeviceInterface_3_2 : public ICameraDevice {
+ TrampolineDeviceInterface_3_2(sp<CameraDevice> parent) :
+ mParent(parent) {}
+
+ virtual Return<void> getResourceCost(V3_2::ICameraDevice::getResourceCost_cb _hidl_cb)
+ override {
+ return mParent->getResourceCost(_hidl_cb);
+ }
+
+ virtual Return<void> getCameraCharacteristics(
+ V3_2::ICameraDevice::getCameraCharacteristics_cb _hidl_cb) override {
+ return mParent->getCameraCharacteristics(_hidl_cb);
+ }
+
+ virtual Return<Status> setTorchMode(TorchMode mode) override {
+ return mParent->setTorchMode(mode);
+ }
+
+ virtual Return<void> open(const sp<V3_2::ICameraDeviceCallback>& callback,
+ V3_2::ICameraDevice::open_cb _hidl_cb) override {
+ return mParent->open(callback, _hidl_cb);
+ }
+
+ virtual Return<void> dumpState(const hidl_handle& fd) override {
+ return mParent->dumpState(fd);
+ }
+
+ private:
+ sp<CameraDevice> mParent;
+ };
+
};
} // namespace implementation