Camera2: Add prepare for output streams
The prepare call asynchronously pre-allocates buffers for a given
output stream, and then fires the onPrepared callback.
Not implemented for Camera2Device or used in Camera2Client.
Change-Id: I1cccdfff846dd6985133c591dbdceed823929ade
diff --git a/services/camera/libcameraservice/device2/Camera2Device.cpp b/services/camera/libcameraservice/device2/Camera2Device.cpp
index 3c5ea9d..f6645f3 100644
--- a/services/camera/libcameraservice/device2/Camera2Device.cpp
+++ b/services/camera/libcameraservice/device2/Camera2Device.cpp
@@ -618,6 +618,12 @@
return waitUntilDrained();
}
+status_t Camera2Device::prepare(int streamId) {
+ ATRACE_CALL();
+ ALOGE("%s: Camera %d: unimplemented", __FUNCTION__, mId);
+ return NO_INIT;
+}
+
uint32_t Camera2Device::getDeviceVersion() {
ATRACE_CALL();
return mDeviceVersion;
diff --git a/services/camera/libcameraservice/device2/Camera2Device.h b/services/camera/libcameraservice/device2/Camera2Device.h
index 9972606..fd1240a 100644
--- a/services/camera/libcameraservice/device2/Camera2Device.h
+++ b/services/camera/libcameraservice/device2/Camera2Device.h
@@ -84,6 +84,9 @@
buffer_handle_t *buffer, wp<BufferReleasedListener> listener);
// Flush implemented as just a wait
virtual status_t flush(int64_t *lastFrameNumber = NULL);
+ // Prepare is a no-op
+ virtual status_t prepare(int streamId);
+
virtual uint32_t getDeviceVersion();
virtual ssize_t getJpegBufferSize(uint32_t width, uint32_t height) const;