camera2: Fix video snapshot for HAL 2.* devices.

Bug: 15408128

- Lazily destroy ZSL stream when ZslProcessor is updated, or
  when the camera client is disconnected, allowing HAL 2.*
  devices that rely on the ZSL stream to capture video snapshots
  to function correctly.

Change-Id: Ia5cf14c62acda4d9c640440dc5b8e0796dc0b3fa

1 files changed, 3 insertions, 0 deletions

diff --git a/services/camera/libcameraservice/api1/client2/ZslProcessor.h b/services/camera/libcameraservice/api1/client2/ZslProcessor.h
index f4cf0c8..b6533cf 100644
--- a/services/camera/libcameraservice/api1/client2/ZslProcessor.h
+++ b/services/camera/libcameraservice/api1/client2/ZslProcessor.h
@@ -67,6 +67,7 @@ class ZslProcessor:
 
     status_t updateStream(const Parameters &params);
     status_t deleteStream();
+    status_t disconnect();
     int getStreamId() const;
 
     status_t pushToReprocess(int32_t requestId);
@@ -86,6 +87,8 @@ class ZslProcessor:
     wp<CaptureSequencer> mSequencer;
     int mId;
 
+    bool mDeleted;
+
     mutable Mutex mInputMutex;
     bool mZslBufferAvailable;
     Condition mZslBufferAvailableSignal;