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-rw-r--r--src/android/camera_ops.cpp96
1 files changed, 96 insertions, 0 deletions
diff --git a/src/android/camera_ops.cpp b/src/android/camera_ops.cpp
new file mode 100644
index 00000000..9dfc2e65
--- /dev/null
+++ b/src/android/camera_ops.cpp
@@ -0,0 +1,96 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/*
+ * Copyright (C) 2019, Google Inc.
+ *
+ * camera_ops.h - Android Camera HAL Operations
+ */
+
+#include "camera_ops.h"
+
+#include <system/camera_metadata.h>
+
+#include "camera_device.h"
+
+using namespace libcamera;
+
+/*
+ * Translatation layer between the Android Camera HAL device operations and the
+ * CameraDevice.
+ */
+
+static int hal_dev_initialize(const struct camera3_device *dev,
+ const camera3_callback_ops_t *callback_ops)
+{
+ if (!dev)
+ return -EINVAL;
+
+ CameraDevice *camera = reinterpret_cast<CameraDevice *>(dev->priv);
+ camera->setCallbacks(callback_ops);
+
+ return 0;
+}
+
+static int hal_dev_configure_streams(const struct camera3_device *dev,
+ camera3_stream_configuration_t *stream_list)
+{
+ if (!dev)
+ return -EINVAL;
+
+ CameraDevice *camera = reinterpret_cast<CameraDevice *>(dev->priv);
+ return camera->configureStreams(stream_list);
+}
+
+static const camera_metadata_t *
+hal_dev_construct_default_request_settings(const struct camera3_device *dev,
+ int type)
+{
+ if (!dev)
+ return nullptr;
+
+ CameraDevice *camera = reinterpret_cast<CameraDevice *>(dev->priv);
+ return camera->constructDefaultRequestSettings(type);
+}
+
+static int hal_dev_process_capture_request(const struct camera3_device *dev,
+ camera3_capture_request_t *request)
+{
+ if (!dev)
+ return -EINVAL;
+
+ CameraDevice *camera = reinterpret_cast<CameraDevice *>(dev->priv);
+ return camera->processCaptureRequest(request);
+}
+
+static void hal_dev_dump(const struct camera3_device *dev, int fd)
+{
+}
+
+static int hal_dev_flush(const struct camera3_device *dev)
+{
+ return 0;
+}
+
+int hal_dev_close(hw_device_t *hw_device)
+{
+ if (!hw_device)
+ return -EINVAL;
+
+ camera3_device_t *dev = reinterpret_cast<camera3_device_t *>(hw_device);
+ CameraDevice *camera = reinterpret_cast<CameraDevice *>(dev->priv);
+
+ camera->close();
+
+ return 0;
+}
+
+camera3_device_ops hal_dev_ops = {
+ .initialize = hal_dev_initialize,
+ .configure_streams = hal_dev_configure_streams,
+ .register_stream_buffers = nullptr,
+ .construct_default_request_settings = hal_dev_construct_default_request_settings,
+ .process_capture_request = hal_dev_process_capture_request,
+ .get_metadata_vendor_tag_ops = nullptr,
+ .dump = hal_dev_dump,
+ .flush = hal_dev_flush,
+ .reserved = { nullptr },
+};