Merge "Add some updates to documentation regarding concurrent camera operation." into rvc-dev am: 416e3d94f9
Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/11832204
Change-Id: Ifcac52d68b3d3909b64d17ae05ec91778152ebcd
diff --git a/camera/provider/2.6/ICameraProvider.hal b/camera/provider/2.6/ICameraProvider.hal
index ed1d31d..b8873a6 100644
--- a/camera/provider/2.6/ICameraProvider.hal
+++ b/camera/provider/2.6/ICameraProvider.hal
@@ -76,12 +76,16 @@
* configuration settings exposed through camera metadata), should the sum
* of resource costs for the combination be <= 100.
*
- * The lists of camera id combinations returned by this method may contain
- * hidden physical camera ids. If a combination does contain hidden physical
- * camera ids, the camera framework must be able to open any logical cameras
- * that contain these hidden physical camera ids in their
- * ANDROID_LOGICAL_MULTI_CAMERA_PHYSICAL_IDS list, in addition to the other
- * camera ids advertised in the combination, for concurrent operation.
+ * For guaranteed concurrent camera operation, the camera framework must call
+ * ICameraDevice.open() on all devices (intended for concurrent operation), before configuring
+ * any streams on them. This gives the camera HAL process an opportunity to potentially
+ * distribute hardware resources better before stream configuration.
+ *
+ * Due to potential hardware constraints around internal switching of physical camera devices,
+ * a device's complete ZOOM_RATIO_RANGE(if supported), may not apply during concurrent
+ * operation. If ZOOM_RATIO is supported, camera HALs must ensure ZOOM_RATIO_RANGE of
+ * [1.0, ANDROID_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM] is supported by that device, during
+ * concurrent operation.
*
* @return status Status code for the operation
* @return cameraIds a list of camera id combinations that support
diff --git a/current.txt b/current.txt
index be5437b..ad7879e 100644
--- a/current.txt
+++ b/current.txt
@@ -677,7 +677,7 @@
a718c8a3acaa938de5a57923e8c4625ed7ca051e05a1d930ba6998557d7b57c8 android.hardware.camera.device@3.6::ICameraOfflineSession
a35d5151b48505f06a775b38c0e2e265f80a845d92802324c643565807f81c53 android.hardware.camera.device@3.6::types
02bdf82dba7dce273a554b4474468a8fb1fb4f61ab65da95eb16e080df63fff6 android.hardware.camera.metadata@3.5::types
-21086e1c7a2acc0ebe0ff8561b11f3c2009be687a92d79b608a5f00b16c5f598 android.hardware.camera.provider@2.6::ICameraProvider
+7d6b362681f4a4fd0be95535d8913d8de9a26f0765c1bdda4bd837dea8c25db6 android.hardware.camera.provider@2.6::ICameraProvider
8f8d9463508ff9cae88eb35c429fd0e2dbca0ca8f5de7fdf836cc0c4370becb6 android.hardware.camera.provider@2.6::ICameraProviderCallback
1edf7aef68ef3bd577a1175b1462fb82e3e39f01c6915dda61fba121028df283 android.hardware.camera.provider@2.6::types
c1aa508d00b66ed5feefea398fd5edf28fa651ac89773adad7dfda4e0a73a952 android.hardware.cas@1.2::ICas