Camera: Add preview callback surface support
- Add call to set a preview callback surface
- Implement support for HAL2/3 devices
- Still need HAL1 implementation
Change-Id: I0dc0bd72e43d871aa487858d1665c1efca633ffe
diff --git a/include/camera/Camera.h b/include/camera/Camera.h
index 37626a4..c34b3ea 100644
--- a/include/camera/Camera.h
+++ b/include/camera/Camera.h
@@ -121,7 +121,15 @@
void setListener(const sp<CameraListener>& listener);
void setRecordingProxyListener(const sp<ICameraRecordingProxyListener>& listener);
+
+ // Configure preview callbacks to app. Only one of the older
+ // callbacks or the callback surface can be active at the same time;
+ // enabling one will disable the other if active. Flags can be
+ // disabled by calling it with CAMERA_FRAME_CALLBACK_FLAG_NOOP, and
+ // Target by calling it with a NULL interface.
void setPreviewCallbackFlags(int preview_callback_flag);
+ status_t setPreviewCallbackTarget(
+ const sp<IGraphicBufferProducer>& callbackProducer);
sp<ICameraRecordingProxy> getRecordingProxy();
diff --git a/include/camera/ICamera.h b/include/camera/ICamera.h
index 2236c1f..b2125bd 100644
--- a/include/camera/ICamera.h
+++ b/include/camera/ICamera.h
@@ -51,8 +51,15 @@
const sp<IGraphicBufferProducer>& bufferProducer) = 0;
// set the preview callback flag to affect how the received frames from
- // preview are handled.
+ // preview are handled. Enabling preview callback flags disables any active
+ // preview callback surface set by setPreviewCallbackTarget().
virtual void setPreviewCallbackFlag(int flag) = 0;
+ // set a buffer interface to use for client-received preview frames instead
+ // of preview callback buffers. Passing a valid interface here disables any
+ // active preview callbacks set by setPreviewCallbackFlag(). Passing NULL
+ // disables the use of the callback target.
+ virtual status_t setPreviewCallbackTarget(
+ const sp<IGraphicBufferProducer>& callbackProducer) = 0;
// start preview mode, must call setPreviewDisplay first
virtual status_t startPreview() = 0;