Camera: Add color temperature metadata tags
- Add metadata for manual color temperature feature
- Update COLOR_CORRECTION_AVAILABLE_MODES tag to include
existing supported color correction modes
Bug: 359409044
Flag: com.android.internal.camera.flags.color_temperature
Test: Camera CTS with flag disabled and enabled
Change-Id: Iabfa21cecc1dd1708dcd8ef0e72338d095ebcfc7
diff --git a/services/camera/libcameraservice/aidl/VndkVersionMetadataTags.h b/services/camera/libcameraservice/aidl/VndkVersionMetadataTags.h
index b07d8d5..158ee69 100644
--- a/services/camera/libcameraservice/aidl/VndkVersionMetadataTags.h
+++ b/services/camera/libcameraservice/aidl/VndkVersionMetadataTags.h
@@ -93,6 +93,10 @@
ANDROID_FLASH_TORCH_STRENGTH_MAX_LEVEL,
ANDROID_INFO_SESSION_CONFIGURATION_QUERY_VERSION,
} },
+ {36, {
+ ANDROID_COLOR_CORRECTION_AVAILABLE_MODES,
+ ANDROID_COLOR_CORRECTION_COLOR_TEMPERATURE_RANGE,
+ } },
};
/**
@@ -125,4 +129,8 @@
ANDROID_STATISTICS_LENS_INTRINSIC_SAMPLES,
ANDROID_STATISTICS_LENS_INTRINSIC_TIMESTAMPS,
} },
+ {36, {
+ ANDROID_COLOR_CORRECTION_COLOR_TEMPERATURE,
+ ANDROID_COLOR_CORRECTION_COLOR_TINT,
+ } },
};
diff --git a/services/camera/libcameraservice/common/CameraProviderManager.cpp b/services/camera/libcameraservice/common/CameraProviderManager.cpp
index a03d199..6394ec1 100644
--- a/services/camera/libcameraservice/common/CameraProviderManager.cpp
+++ b/services/camera/libcameraservice/common/CameraProviderManager.cpp
@@ -1833,6 +1833,67 @@
return res;
}
+status_t CameraProviderManager::ProviderInfo::DeviceInfo3::addColorCorrectionAvailableModesTag(
+ CameraMetadata& c) {
+ status_t res = OK;
+
+ // The COLOR_CORRECTION_AVAILABLE_MODES key advertises the
+ // supported color correction modes. Previously, if color correction was
+ // supported (COLOR_CORRECTION_MODE was not null), it was assumed
+ // that all existing options, TRANSFORM_MATRIX, FAST, and HIGH_QUALITY, were supported.
+ // However, a new optional mode, CCT, has been introduced. To indicate
+ // whether CCT is supported, the camera device must now explicitly list all
+ // available modes using the COLOR_CORRECTION_AVAILABLE_MODES key.
+ // If the camera device doesn't set COLOR_CORRECTION_AVAILABLE_MODES,
+ // this code falls back to checking for the COLOR_CORRECTION_MODE key.
+ // If present, this adds the required supported modes TRANSFORM_MATRIX,
+ // FAST, HIGH_QUALITY.
+ auto entry = c.find(ANDROID_COLOR_CORRECTION_AVAILABLE_MODES);
+ if (entry.count != 0) {
+ return res;
+ }
+
+ auto reqKeys = c.find(ANDROID_REQUEST_AVAILABLE_REQUEST_KEYS);
+ if (reqKeys.count == 0) {
+ ALOGE("%s: No supported camera request keys!", __FUNCTION__);
+ return BAD_VALUE;
+ }
+
+ bool colorCorrectionModeAvailable = false;
+ for (size_t i = 0; i < reqKeys.count; i++) {
+ if (reqKeys.data.i32[i] == ANDROID_COLOR_CORRECTION_MODE) {
+ colorCorrectionModeAvailable = true;
+ break;
+ }
+ }
+
+ if (!colorCorrectionModeAvailable) {
+ return res;
+ }
+
+ std::vector<int32_t> supportedChTags;
+ auto chTags = c.find(ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS);
+ if (chTags.count == 0) {
+ ALOGE("%s: No supported camera characteristics keys!", __FUNCTION__);
+ return BAD_VALUE;
+ }
+
+ std::vector<uint8_t> colorCorrectionAvailableModes = {
+ ANDROID_COLOR_CORRECTION_MODE_TRANSFORM_MATRIX,
+ ANDROID_COLOR_CORRECTION_MODE_FAST,
+ ANDROID_COLOR_CORRECTION_MODE_HIGH_QUALITY };
+ supportedChTags.reserve(chTags.count + 1);
+ supportedChTags.insert(supportedChTags.end(), chTags.data.i32,
+ chTags.data.i32 + chTags.count);
+ supportedChTags.push_back(ANDROID_COLOR_CORRECTION_AVAILABLE_MODES);
+ c.update(ANDROID_COLOR_CORRECTION_AVAILABLE_MODES,
+ colorCorrectionAvailableModes.data(), colorCorrectionAvailableModes.size());
+ c.update(ANDROID_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS, supportedChTags.data(),
+ supportedChTags.size());
+
+ return res;
+}
+
status_t CameraProviderManager::ProviderInfo::DeviceInfo3::addSessionConfigQueryVersionTag() {
sp<ProviderInfo> parentProvider = mParentProvider.promote();
if (parentProvider == nullptr) {
diff --git a/services/camera/libcameraservice/common/CameraProviderManager.h b/services/camera/libcameraservice/common/CameraProviderManager.h
index b686a58..f0db8bc 100644
--- a/services/camera/libcameraservice/common/CameraProviderManager.h
+++ b/services/camera/libcameraservice/common/CameraProviderManager.h
@@ -761,6 +761,7 @@
status_t addAutoframingTags();
status_t addPreCorrectionActiveArraySize();
status_t addReadoutTimestampTag(bool readoutTimestampSupported = true);
+ status_t addColorCorrectionAvailableModesTag(CameraMetadata& ch);
status_t addSessionConfigQueryVersionTag();
static void getSupportedSizes(const CameraMetadata& ch, uint32_t tag,
diff --git a/services/camera/libcameraservice/common/aidl/AidlProviderInfo.cpp b/services/camera/libcameraservice/common/aidl/AidlProviderInfo.cpp
index 4bfe11d..e1efd90 100644
--- a/services/camera/libcameraservice/common/aidl/AidlProviderInfo.cpp
+++ b/services/camera/libcameraservice/common/aidl/AidlProviderInfo.cpp
@@ -596,6 +596,14 @@
__FUNCTION__, strerror(-res), res);
}
+ if (flags::color_temperature()) {
+ res = addColorCorrectionAvailableModesTag(mCameraCharacteristics);
+ if (OK != res) {
+ ALOGE("%s: Unable to add COLOR_CORRECTION_AVAILABLE_MODES tag: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ }
+ }
+
camera_metadata_entry flashAvailable =
mCameraCharacteristics.find(ANDROID_FLASH_INFO_AVAILABLE);
if (flashAvailable.count == 1 &&
@@ -683,6 +691,14 @@
__FUNCTION__, strerror(-res), res);
return;
}
+
+ if (flags::color_temperature()) {
+ res = addColorCorrectionAvailableModesTag(mPhysicalCameraCharacteristics[id]);
+ if (OK != res) {
+ ALOGE("%s: Unable to add COLOR_CORRECTION_AVAILABLE_MODES tag: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ }
+ }
}
}
diff --git a/services/camera/libcameraservice/common/hidl/HidlProviderInfo.cpp b/services/camera/libcameraservice/common/hidl/HidlProviderInfo.cpp
index 6cedb04..edaee6e 100644
--- a/services/camera/libcameraservice/common/hidl/HidlProviderInfo.cpp
+++ b/services/camera/libcameraservice/common/hidl/HidlProviderInfo.cpp
@@ -675,6 +675,13 @@
ALOGE("%s: Unable to add sensorReadoutTimestamp tag: %s (%d)",
__FUNCTION__, strerror(-res), res);
}
+ if (flags::color_temperature()) {
+ res = addColorCorrectionAvailableModesTag(mCameraCharacteristics);
+ if (OK != res) {
+ ALOGE("%s: Unable to add COLOR_CORRECTION_AVAILABLE_MODES tag: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ }
+ }
camera_metadata_entry flashAvailable =
mCameraCharacteristics.find(ANDROID_FLASH_INFO_AVAILABLE);
@@ -785,6 +792,14 @@
__FUNCTION__, strerror(-res), res);
return;
}
+
+ if (flags::color_temperature()) {
+ res = addColorCorrectionAvailableModesTag(mPhysicalCameraCharacteristics[id]);
+ if (OK != res) {
+ ALOGE("%s: Unable to add COLOR_CORRECTION_AVAILABLE_MODES tag: %s (%d)",
+ __FUNCTION__, strerror(-res), res);
+ }
+ }
}
}
}