Camera: Enable logical multi-camera API in NDK
The support inclues:
- Physical camera specific stream support,
- Physical camera result metadata, and
Test: Newly added NDK CTS test pass
Test: Newly added VNDK test pass
Bug: 120566141
Bug: 115532726
Change-Id: I939b81522ca6c518c0e54ded5d3615f9973a6a65
diff --git a/camera/ndk/impl/ACameraMetadata.cpp b/camera/ndk/impl/ACameraMetadata.cpp
index 94b5713..c661233 100644
--- a/camera/ndk/impl/ACameraMetadata.cpp
+++ b/camera/ndk/impl/ACameraMetadata.cpp
@@ -50,6 +50,7 @@
case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_READ_SENSOR_SETTINGS:
case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_BURST_CAPTURE:
case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_DEPTH_OUTPUT:
+ case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA:
return true;
case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_YUV_REPROCESSING:
case ANDROID_REQUEST_AVAILABLE_CAPABILITIES_PRIVATE_REPROCESSING:
@@ -79,11 +80,41 @@
uint8_t capability = entry.data.u8[i];
if (isNdkSupportedCapability(capability)) {
capabilities.push(capability);
+
+ if (capability == ANDROID_REQUEST_AVAILABLE_CAPABILITIES_LOGICAL_MULTI_CAMERA) {
+ derivePhysicalCameraIds();
+ }
}
}
mData.update(ANDROID_REQUEST_AVAILABLE_CAPABILITIES, capabilities);
}
+void
+ACameraMetadata::derivePhysicalCameraIds() {
+ ACameraMetadata_const_entry entry;
+ auto ret = getConstEntry(ACAMERA_LOGICAL_MULTI_CAMERA_PHYSICAL_IDS, &entry);
+ if (ret != ACAMERA_OK) {
+ ALOGE("%s: Get ACAMERA_LOGICAL_MULTI_CAMERA_PHYSICAL_IDS key failed. ret %d",
+ __FUNCTION__, ret);
+ return;
+ }
+
+ const uint8_t* ids = entry.data.u8;
+ size_t start = 0;
+ for (size_t i = 0; i < entry.count; ++i) {
+ if (ids[i] == '\0') {
+ if (start != i) {
+ mStaticPhysicalCameraIds.push_back((const char*)ids+start);
+ }
+ start = i+1;
+ }
+ }
+
+ if (mStaticPhysicalCameraIds.size() < 2) {
+ ALOGW("%s: Logical multi-camera device only has %zu physical cameras",
+ __FUNCTION__, mStaticPhysicalCameraIds.size());
+ }
+}
void
ACameraMetadata::filterDurations(uint32_t tag) {
@@ -309,6 +340,27 @@
return mData;
}
+bool
+ACameraMetadata::isLogicalMultiCamera(size_t* count, const char*const** physicalCameraIds) const {
+ if (mType != ACM_CHARACTERISTICS) {
+ ALOGE("%s must be called for a static metadata!", __FUNCTION__);
+ return false;
+ }
+ if (count == nullptr || physicalCameraIds == nullptr) {
+ ALOGE("%s: Invalid input count: %p, physicalCameraIds: %p", __FUNCTION__,
+ count, physicalCameraIds);
+ return false;
+ }
+
+ if (mStaticPhysicalCameraIds.size() >= 2) {
+ *count = mStaticPhysicalCameraIds.size();
+ *physicalCameraIds = mStaticPhysicalCameraIds.data();
+ return true;
+ }
+
+ return false;
+}
+
// TODO: some of key below should be hidden from user
// ex: ACAMERA_REQUEST_ID and ACAMERA_REPROCESS_EFFECTIVE_EXPOSURE_FACTOR
/*@O~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~