kitakami-common: Import CameraWrapper from potter

* Use open_legacy() for camera wrapper's legacy mode.

* https://github.com/kaabir/hal3_old_device_motorola_potter/
  https://github.com/OwnROM-Devices/android_device_oneplus_oneplus3/commit/44ee1b35361657c21e2b3f2bae75a05285397372

camera/Android.mk

+# Copyright (C) 2016 The CyanogenMod Project
+#           (C) 2017 The LineageOS Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+    CameraWrapper.cpp \
+    Camera2Wrapper.cpp \
+    Camera3Wrapper.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+    libhardware \
+    liblog \
+    libcamera_client \
+    libgui \
+    libhidltransport \
+    libsensor \
+    libutils \
+    libcutils \
+    android.hidl.token@1.0-utils
+
+LOCAL_C_INCLUDES := \
+    framework/native/include \
+    frameworks/native/include/media/openmax \
+    system/media/camera/include
+
+LOCAL_32_BIT_ONLY := true
+LOCAL_MODULE_RELATIVE_PATH := hw
+LOCAL_VENDOR_MODULE := true
+
+LOCAL_MODULE := camera.$(TARGET_BOARD_PLATFORM)
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_SHARED_LIBRARY)

camera/Camera2Wrapper.cpp

+/*
+ * Copyright (C) 2015, The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_NDEBUG 0
+#define LOG_PARAMETERS
+
+#define LOG_TAG "Camera2Wrapper"
+#include <cutils/log.h>
+
+#include "CameraWrapper.h"
+#include "Camera2Wrapper.h"
+
+typedef struct wrapper_camera2_device {
+    camera_device_t base;
+    int camera2_released;
+    int id;
+    camera_device_t *vendor;
+} wrapper_camera2_device_t;
+
+#define VENDOR_CALL(device, func, ...) ({ \
+    wrapper_camera2_device_t *__wrapper_dev = (wrapper_camera2_device_t*) device; \
+    __wrapper_dev->vendor->ops->func(__wrapper_dev->vendor, ##__VA_ARGS__); \
+})
+
+#define CAMERA_ID(device) (((wrapper_camera2_device_t *)(device))->id)
+
+static camera_module_t *gVendorModule = 0;
+
+static camera_notify_callback gUserNotifyCb = NULL;
+static camera_data_callback gUserDataCb = NULL;
+static camera_data_timestamp_callback gUserDataCbTimestamp = NULL;
+static camera_request_memory gUserGetMemory = NULL;
+static void *gUserCameraDevice = NULL;
+
+static int check_vendor_module()
+{
+    int rv = 0;
+    ALOGV("%s", __FUNCTION__);
+
+    if(gVendorModule)
+        return 0;
+
+    rv = hw_get_module_by_class("camera", "vendor", (const hw_module_t **)&gVendorModule);
+    if (rv)
+        ALOGE("failed to open vendor camera module");
+    return rv;
+}
+
+static char * camera2_fixup_getparams(int id, const char * settings)
+{
+    android::CameraParameters params;
+    params.unflatten(android::String8(settings));
+
+#ifdef LOG_PARAMETERS
+    ALOGV("%s: Original parameters:", __FUNCTION__);
+    params.dump();
+#endif
+    android::String8 strParams = params.flatten();
+    char *ret = strdup(strParams.string());
+
+#ifdef LOG_PARAMETERS
+    ALOGV("%s: Fixed parameters:", __FUNCTION__);
+    params.dump();
+#endif
+
+    return ret;
+}
+
+static char * camera2_fixup_setparams(int id __unused, const char * settings)
+{
+    android::CameraParameters params;
+    params.unflatten(android::String8(settings));
+
+#ifdef LOG_PARAMETERS
+    ALOGV("%s: Original parameters:", __FUNCTION__);
+    params.dump();
+#endif
+
+    android::String8 strParams = params.flatten();
+    char *ret = strdup(strParams.string());
+
+#ifdef LOG_PARAMETERS
+    ALOGV("%s: Fixed parameters:", __FUNCTION__);
+    params.dump();
+#endif
+
+    return ret;
+}
+
+/*******************************************************************
+ * implementation of camera_device_ops functions
+ *******************************************************************/
+
+static int camera2_set_preview_window(struct camera_device * device,
+        struct preview_stream_ops *window)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device || !window)
+        return -EINVAL;
+
+    return VENDOR_CALL(device, set_preview_window, window);
+}
+
+void camera_notify_cb(int32_t msg_type, int32_t ext1, int32_t ext2, void *user) {
+    gUserNotifyCb(msg_type, ext1, ext2, gUserCameraDevice);
+}
+
+void camera_data_cb(int32_t msg_type, const camera_memory_t *data, unsigned int index,
+        camera_frame_metadata_t *metadata, void *user) {
+    gUserDataCb(msg_type, data, index, metadata, gUserCameraDevice);
+}
+
+void camera_data_cb_timestamp(nsecs_t timestamp, int32_t msg_type,
+        const camera_memory_t *data, unsigned index, void *user) {
+    gUserDataCbTimestamp(timestamp, msg_type, data, index, gUserCameraDevice);
+}
+
+camera_memory_t* camera_get_memory(int fd, size_t buf_size,
+        uint_t num_bufs, void *user) {
+    return gUserGetMemory(fd, buf_size, num_bufs, gUserCameraDevice);
+}
+
+static void camera2_set_callbacks(struct camera_device * device,
+        camera_notify_callback notify_cb,
+        camera_data_callback data_cb,
+        camera_data_timestamp_callback data_cb_timestamp,
+        camera_request_memory get_memory,
+        void *user)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return;
+
+    gUserNotifyCb = notify_cb;
+    gUserDataCb = data_cb;
+    gUserDataCbTimestamp = data_cb_timestamp;
+    gUserGetMemory = get_memory;
+    gUserCameraDevice = user;
+
+    VENDOR_CALL(device, set_callbacks, camera_notify_cb, camera_data_cb,
+            camera_data_cb_timestamp, camera_get_memory, user);
+}
+
+static void camera2_enable_msg_type(struct camera_device * device, int32_t msg_type)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return;
+
+    VENDOR_CALL(device, enable_msg_type, msg_type);
+}
+
+static void camera2_disable_msg_type(struct camera_device * device, int32_t msg_type)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return;
+
+    VENDOR_CALL(device, disable_msg_type, msg_type);
+}
+
+static int camera2_msg_type_enabled(struct camera_device * device, int32_t msg_type)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return 0;
+
+    return VENDOR_CALL(device, msg_type_enabled, msg_type);
+}
+
+static int camera2_start_preview(struct camera_device * device)
+{
+    int rc = 0;
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return -EINVAL;
+
+    rc = VENDOR_CALL(device, start_preview);
+    return rc;
+}
+
+static void camera2_stop_preview(struct camera_device * device)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return;
+
+    VENDOR_CALL(device, stop_preview);
+}
+
+static int camera2_preview_enabled(struct camera_device * device)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return -EINVAL;
+
+    return VENDOR_CALL(device, preview_enabled);
+}
+
+static int camera2_store_meta_data_in_buffers(struct camera_device * device, int enable)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return -EINVAL;
+
+    return VENDOR_CALL(device, store_meta_data_in_buffers, enable);
+}
+
+static int camera2_start_recording(struct camera_device * device)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return EINVAL;
+
+    return VENDOR_CALL(device, start_recording);
+}
+
+static void camera2_stop_recording(struct camera_device * device)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return;
+
+
+    VENDOR_CALL(device, stop_recording);
+}
+
+static int camera2_recording_enabled(struct camera_device * device)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return -EINVAL;
+
+    return VENDOR_CALL(device, recording_enabled);
+}
+
+static void camera2_release_recording_frame(struct camera_device * device,
+                const void *opaque)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return;
+
+    android::VideoNativeHandleMetadata* md = (android::VideoNativeHandleMetadata*) opaque;
+    native_handle_t* nh = md->pHandle;
+
+    VENDOR_CALL(device, release_recording_frame, opaque);
+
+    native_handle_close(nh);
+    native_handle_delete(nh);
+}
+
+static int camera2_auto_focus(struct camera_device * device)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return -EINVAL;
+
+
+    return VENDOR_CALL(device, auto_focus);
+}
+
+static int camera2_cancel_auto_focus(struct camera_device * device)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return -EINVAL;
+
+    return VENDOR_CALL(device, cancel_auto_focus);
+}
+
+static int camera2_take_picture(struct camera_device * device)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return -EINVAL;
+
+    return VENDOR_CALL(device, take_picture);
+}
+
+static int camera2_cancel_picture(struct camera_device * device)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return -EINVAL;
+
+    return VENDOR_CALL(device, cancel_picture);
+}
+
+static int camera2_set_parameters(struct camera_device * device, const char *params)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return -EINVAL;
+
+    char *tmp = NULL;
+    tmp = camera2_fixup_setparams(CAMERA_ID(device), params);
+
+    int ret = VENDOR_CALL(device, set_parameters, tmp);
+
+    return ret;
+}
+
+static char* camera2_get_parameters(struct camera_device * device)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return NULL;
+
+    char* params = VENDOR_CALL(device, get_parameters);
+
+    char * tmp = camera2_fixup_getparams(CAMERA_ID(device), params);
+    VENDOR_CALL(device, put_parameters, params);
+    params = tmp;
+
+    return params;
+}
+
+static void camera2_put_parameters(struct camera_device *device, char *params)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(params)
+        free(params);
+}
+
+static int camera2_send_command(struct camera_device * device,
+            int32_t cmd, int32_t arg1, int32_t arg2)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return -EINVAL;
+
+    return VENDOR_CALL(device, send_command, cmd, arg1, arg2);
+}
+
+static void camera2_release(struct camera_device * device)
+{
+    //ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    wrapper_camera2_device_t* wrapper_dev = NULL;
+
+    if(!device)
+        return;
+    
+    wrapper_dev = (wrapper_camera2_device_t*) device;
+
+    VENDOR_CALL(device, release);
+    
+    wrapper_dev->camera2_released = true;
+}
+
+static int camera2_dump(struct camera_device * device, int fd)
+{
+    ALOGV("%s->%08X->%08X", __FUNCTION__, (uintptr_t)device, (uintptr_t)(((wrapper_camera2_device_t*)device)->vendor));
+
+    if(!device)
+        return -EINVAL;
+
+    return VENDOR_CALL(device, dump, fd);
+}
+
+static int camera2_device_close(hw_device_t* device)
+{
+    int ret = 0;
+    wrapper_camera2_device_t *wrapper_dev = NULL;
+
+    ALOGV("%s", __FUNCTION__);
+
+    android::Mutex::Autolock lock(gCameraWrapperLock);
+
+    if (!device) {
+        ret = -EINVAL;
+        goto done;
+    }
+
+    wrapper_dev = (wrapper_camera2_device_t*) device;
+
+    if (!wrapper_dev->camera2_released) {
+        ALOGI("%s: releasing camera device with id %d", __FUNCTION__,
+                wrapper_dev->id);
+
+        VENDOR_CALL(wrapper_dev, release);
+
+        wrapper_dev->camera2_released = true;
+    }
+
+    wrapper_dev->vendor->common.close((hw_device_t*)wrapper_dev->vendor);
+    if (wrapper_dev->base.ops)
+        free(wrapper_dev->base.ops);
+    free(wrapper_dev);
+done:
+    return ret;
+}
+
+/*******************************************************************
+ * implementation of camera_module functions
+ *******************************************************************/
+
+/* open device handle to one of the cameras
+ *
+ * assume camera service will keep singleton of each camera
+ * so this function will always only be called once per camera instance
+ */
+
+int camera2_device_open(const hw_module_t* module, const char* name,
+                hw_device_t** device)
+{
+    int rv = 0;
+    //int num_cameras = 0;
+    int cameraid;
+    wrapper_camera2_device_t* camera2_device = NULL;
+    camera_device_ops_t* camera2_ops = NULL;
+
+    android::Mutex::Autolock lock(gCameraWrapperLock);
+
+    ALOGV("%s", __FUNCTION__);
+
+    if (name != NULL) {
+        if (check_vendor_module())
+            return -EINVAL;
+
+        cameraid = atoi(name);
+        /*
+        num_cameras = gVendorModule->get_number_of_cameras();
+
+        if (cameraid > num_cameras) {
+            ALOGE("camera service provided cameraid out of bounds, "
+                    "cameraid = %d, num supported = %d",
+                    cameraid, num_cameras);
+            rv = -EINVAL;
+            goto fail;
+        }
+        */
+
+        camera2_device = (wrapper_camera2_device_t*)malloc(sizeof(*camera2_device));
+        if (!camera2_device) {
+            ALOGE("camera2_device allocation fail");
+            rv = -ENOMEM;
+            goto fail;
+        }
+        memset(camera2_device, 0, sizeof(*camera2_device));
+        camera2_device->camera2_released = false;
+        camera2_device->id = cameraid;
+
+        rv = gVendorModule->open_legacy((const hw_module_t*)gVendorModule, name, CAMERA_DEVICE_API_VERSION_1_0, (hw_device_t**)&(camera2_device->vendor));
+        if (rv)
+        {
+            ALOGE("vendor camera open fail");
+            goto fail;
+        }
+        ALOGV("%s: got vendor camera device 0x%08X", __FUNCTION__, (uintptr_t)(camera2_device->vendor));
+
+        camera2_ops = (camera_device_ops_t*)malloc(sizeof(*camera2_ops));
+        if (!camera2_ops) {
+            ALOGE("camera_ops allocation fail");
+            rv = -ENOMEM;
+            goto fail;
+        }
+
+        memset(camera2_ops, 0, sizeof(*camera2_ops));
+
+        camera2_device->base.common.tag = HARDWARE_DEVICE_TAG;
+        camera2_device->base.common.version = CAMERA_DEVICE_API_VERSION_1_0;
+        camera2_device->base.common.module = (hw_module_t *)(module);
+        camera2_device->base.common.close = camera2_device_close;
+        camera2_device->base.ops = camera2_ops;
+
+        camera2_ops->set_preview_window = camera2_set_preview_window;
+        camera2_ops->set_callbacks = camera2_set_callbacks;
+        camera2_ops->enable_msg_type = camera2_enable_msg_type;
+        camera2_ops->disable_msg_type = camera2_disable_msg_type;
+        camera2_ops->msg_type_enabled = camera2_msg_type_enabled;
+        camera2_ops->start_preview = camera2_start_preview;
+        camera2_ops->stop_preview = camera2_stop_preview;
+        camera2_ops->preview_enabled = camera2_preview_enabled;
+        camera2_ops->store_meta_data_in_buffers = camera2_store_meta_data_in_buffers;
+        camera2_ops->start_recording = camera2_start_recording;
+        camera2_ops->stop_recording = camera2_stop_recording;
+        camera2_ops->recording_enabled = camera2_recording_enabled;
+        camera2_ops->release_recording_frame = camera2_release_recording_frame;
+        camera2_ops->auto_focus = camera2_auto_focus;
+        camera2_ops->cancel_auto_focus = camera2_cancel_auto_focus;
+        camera2_ops->take_picture = camera2_take_picture;
+        camera2_ops->cancel_picture = camera2_cancel_picture;
+        camera2_ops->set_parameters = camera2_set_parameters;
+        camera2_ops->get_parameters = camera2_get_parameters;
+        camera2_ops->put_parameters = camera2_put_parameters;
+        camera2_ops->send_command = camera2_send_command;
+        camera2_ops->release = camera2_release;
+        camera2_ops->dump = camera2_dump;
+
+        *device = &camera2_device->base.common;
+    }
+
+    return rv;
+
+fail:
+    if(camera2_device) {
+        free(camera2_device);
+        camera2_device = NULL;
+    }
+    if(camera2_ops) {
+        free(camera2_ops);
+        camera2_ops = NULL;
+    }
+    *device = NULL;
+    return rv;
+}

camera/Camera2Wrapper.h

+/*
+ * Copyright (C) 2015, The CyanogenMod Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <dlfcn.h>
+#include <hardware/camera2.h>
+#include <cutils/native_handle.h>
+#include <media/hardware/HardwareAPI.h> // For VideoNativeHandleMetadata
+
+int camera2_device_open(const hw_module_t* module, const char* name, hw_device_t** device);

camera/Camera3Wrapper.cpp

+/*
+ * Copyright (C) 2012, The CyanogenMod Project