839 lines
20 KiB
C++
839 lines
20 KiB
C++
/*
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* Copyright (C) Texas Instruments - http://www.ti.com/
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file CameraHal.cpp
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*
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* This file maps the Camera Hardware Interface to V4L2.
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*
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*/
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#include <utils/threads.h>
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#include "CameraHal.h"
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#include "CameraProperties.h"
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#include "TICameraParameters.h"
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#ifdef CAMERAHAL_DEBUG_VERBOSE
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# define CAMHAL_LOG_MODULE_FUNCTION_NAME LOG_FUNCTION_NAME
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#else
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# define CAMHAL_LOG_MODULE_FUNCTION_NAME
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#endif
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namespace Ti {
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namespace Camera {
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static CameraProperties gCameraProperties;
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static CameraHal* gCameraHals[MAX_CAMERAS_SUPPORTED];
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static unsigned int gCamerasOpen = 0;
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static android::Mutex gCameraHalDeviceLock;
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static int camera_device_open(const hw_module_t* module, const char* name,
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hw_device_t** device);
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static int camera_device_close(hw_device_t* device);
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static int camera_get_number_of_cameras(void);
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static int camera_get_camera_info(int camera_id, struct camera_info *info);
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static struct hw_module_methods_t camera_module_methods = {
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open: camera_device_open
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};
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} // namespace Camera
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} // namespace Ti
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camera_module_t HAL_MODULE_INFO_SYM = {
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common: {
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tag: HARDWARE_MODULE_TAG,
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version_major: 1,
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version_minor: 0,
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id: CAMERA_HARDWARE_MODULE_ID,
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name: "TI OMAP CameraHal Module",
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author: "TI",
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methods: &Ti::Camera::camera_module_methods,
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dso: NULL, /* remove compilation warnings */
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reserved: {0}, /* remove compilation warnings */
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},
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get_number_of_cameras: Ti::Camera::camera_get_number_of_cameras,
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get_camera_info: Ti::Camera::camera_get_camera_info,
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};
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namespace Ti {
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namespace Camera {
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typedef struct ti_camera_device {
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camera_device_t base;
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/* TI specific "private" data can go here (base.priv) */
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int cameraid;
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} ti_camera_device_t;
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/*******************************************************************
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* implementation of camera_device_ops functions
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*******************************************************************/
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int camera_set_preview_window(struct camera_device * device,
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struct preview_stream_ops *window)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->setPreviewWindow(window);
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return rv;
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}
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#ifdef OMAP_ENHANCEMENT_CPCAM
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int camera_set_extended_preview_ops(struct camera_device * device,
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preview_stream_extended_ops_t * extendedOps)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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if (!device) {
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return BAD_VALUE;
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}
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ti_camera_device_t * const tiDevice = reinterpret_cast<ti_camera_device_t*>(device);
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gCameraHals[tiDevice->cameraid]->setExtendedPreviewStreamOps(extendedOps);
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return OK;
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}
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int camera_set_buffer_source(struct camera_device * device,
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struct preview_stream_ops *tapin,
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struct preview_stream_ops *tapout)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->setBufferSource(tapin, tapout);
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return rv;
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}
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int camera_release_buffer_source(struct camera_device * device,
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struct preview_stream_ops *tapin,
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struct preview_stream_ops *tapout)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->releaseBufferSource(tapin, tapout);
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return rv;
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}
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#endif
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void camera_set_callbacks(struct camera_device * device,
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camera_notify_callback notify_cb,
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camera_data_callback data_cb,
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camera_data_timestamp_callback data_cb_timestamp,
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camera_request_memory get_memory,
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void *user)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return;
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ti_dev = (ti_camera_device_t*) device;
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gCameraHals[ti_dev->cameraid]->setCallbacks(notify_cb, data_cb, data_cb_timestamp, get_memory, user);
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}
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void camera_enable_msg_type(struct camera_device * device, int32_t msg_type)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return;
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ti_dev = (ti_camera_device_t*) device;
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gCameraHals[ti_dev->cameraid]->enableMsgType(msg_type);
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}
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void camera_disable_msg_type(struct camera_device * device, int32_t msg_type)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return;
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ti_dev = (ti_camera_device_t*) device;
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gCameraHals[ti_dev->cameraid]->disableMsgType(msg_type);
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}
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int camera_msg_type_enabled(struct camera_device * device, int32_t msg_type)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return 0;
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ti_dev = (ti_camera_device_t*) device;
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return gCameraHals[ti_dev->cameraid]->msgTypeEnabled(msg_type);
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}
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int camera_start_preview(struct camera_device * device)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->startPreview();
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return rv;
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}
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void camera_stop_preview(struct camera_device * device)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return;
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ti_dev = (ti_camera_device_t*) device;
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gCameraHals[ti_dev->cameraid]->stopPreview();
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}
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int camera_preview_enabled(struct camera_device * device)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->previewEnabled();
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return rv;
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}
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int camera_store_meta_data_in_buffers(struct camera_device * device, int enable)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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// TODO: meta data buffer not current supported
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rv = gCameraHals[ti_dev->cameraid]->storeMetaDataInBuffers(enable);
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return rv;
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//return enable ? android::INVALID_OPERATION: android::OK;
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}
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int camera_start_recording(struct camera_device * device)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->startRecording();
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return rv;
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}
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void camera_stop_recording(struct camera_device * device)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return;
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ti_dev = (ti_camera_device_t*) device;
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gCameraHals[ti_dev->cameraid]->stopRecording();
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}
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int camera_recording_enabled(struct camera_device * device)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->recordingEnabled();
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return rv;
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}
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void camera_release_recording_frame(struct camera_device * device,
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const void *opaque)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return;
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ti_dev = (ti_camera_device_t*) device;
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gCameraHals[ti_dev->cameraid]->releaseRecordingFrame(opaque);
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}
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int camera_auto_focus(struct camera_device * device)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->autoFocus();
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return rv;
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}
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int camera_cancel_auto_focus(struct camera_device * device)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->cancelAutoFocus();
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return rv;
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}
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int camera_take_picture(struct camera_device * device)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->takePicture(0);
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return rv;
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}
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#ifdef OMAP_ENHANCEMENT_CPCAM
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int camera_take_picture_with_parameters(struct camera_device * device, const char *params)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->takePicture(params);
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return rv;
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}
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#endif
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int camera_cancel_picture(struct camera_device * device)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->cancelPicture();
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return rv;
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}
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#ifdef OMAP_ENHANCEMENT_CPCAM
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int camera_reprocess(struct camera_device * device, const char *params)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->reprocess(params);
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return rv;
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}
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int camera_cancel_reprocess(struct camera_device * device)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->cancel_reprocess();
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return rv;
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}
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#endif
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int camera_set_parameters(struct camera_device * device, const char *params)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->setParameters(params);
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return rv;
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}
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char* camera_get_parameters(struct camera_device * device)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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char* param = NULL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return NULL;
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ti_dev = (ti_camera_device_t*) device;
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param = gCameraHals[ti_dev->cameraid]->getParameters();
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return param;
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}
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static void camera_put_parameters(struct camera_device *device, char *parms)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return;
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ti_dev = (ti_camera_device_t*) device;
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gCameraHals[ti_dev->cameraid]->putParameters(parms);
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}
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int camera_send_command(struct camera_device * device,
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int32_t cmd, int32_t arg1, int32_t arg2)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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#ifdef OMAP_ENHANCEMENT
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if ( cmd == CAMERA_CMD_SETUP_EXTENDED_OPERATIONS ) {
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camera_device_extended_ops_t * const ops = static_cast<camera_device_extended_ops_t*>(
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camera_cmd_send_command_args_to_pointer(arg1, arg2));
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#ifdef OMAP_ENHANCEMENT_CPCAM
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ops->set_extended_preview_ops = camera_set_extended_preview_ops;
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ops->set_buffer_source = camera_set_buffer_source;
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ops->release_buffer_source = camera_release_buffer_source;
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ops->take_picture_with_parameters = camera_take_picture_with_parameters;
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ops->reprocess = camera_reprocess;
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ops->cancel_reprocess = camera_cancel_reprocess;
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#endif
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return OK;
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}
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#endif
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rv = gCameraHals[ti_dev->cameraid]->sendCommand(cmd, arg1, arg2);
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return rv;
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}
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void camera_release(struct camera_device * device)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return;
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ti_dev = (ti_camera_device_t*) device;
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gCameraHals[ti_dev->cameraid]->release();
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}
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int camera_dump(struct camera_device * device, int fd)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int rv = -EINVAL;
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ti_camera_device_t* ti_dev = NULL;
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if(!device)
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return rv;
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ti_dev = (ti_camera_device_t*) device;
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rv = gCameraHals[ti_dev->cameraid]->dump(fd);
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return rv;
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}
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|
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extern "C" void heaptracker_free_leaked_memory(void);
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|
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int camera_device_close(hw_device_t* device)
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{
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CAMHAL_LOG_MODULE_FUNCTION_NAME;
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int ret = 0;
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ti_camera_device_t* ti_dev = NULL;
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android::AutoMutex lock(gCameraHalDeviceLock);
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if (!device) {
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ret = -EINVAL;
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goto done;
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}
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|
|
ti_dev = (ti_camera_device_t*) device;
|
|
|
|
if (ti_dev) {
|
|
if (gCameraHals[ti_dev->cameraid]) {
|
|
delete gCameraHals[ti_dev->cameraid];
|
|
gCameraHals[ti_dev->cameraid] = NULL;
|
|
gCamerasOpen--;
|
|
}
|
|
|
|
if (ti_dev->base.ops) {
|
|
free(ti_dev->base.ops);
|
|
}
|
|
free(ti_dev);
|
|
}
|
|
done:
|
|
#ifdef HEAPTRACKER
|
|
heaptracker_free_leaked_memory();
|
|
#endif
|
|
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 camera_device_open(const hw_module_t* module, const char* name,
|
|
hw_device_t** device)
|
|
{
|
|
int rv = 0;
|
|
int num_cameras = 0;
|
|
int cameraid;
|
|
ti_camera_device_t* camera_device = NULL;
|
|
camera_device_ops_t* camera_ops = NULL;
|
|
CameraHal* camera = NULL;
|
|
CameraProperties::Properties* properties = NULL;
|
|
|
|
android::AutoMutex lock(gCameraHalDeviceLock);
|
|
|
|
CAMHAL_LOGI("camera_device open");
|
|
|
|
if (name != NULL) {
|
|
cameraid = atoi(name);
|
|
num_cameras = gCameraProperties.camerasSupported();
|
|
|
|
if(cameraid > num_cameras)
|
|
{
|
|
CAMHAL_LOGE("camera service provided cameraid out of bounds, "
|
|
"cameraid = %d, num supported = %d",
|
|
cameraid, num_cameras);
|
|
rv = -EINVAL;
|
|
goto fail;
|
|
}
|
|
|
|
if(gCamerasOpen >= MAX_SIMUL_CAMERAS_SUPPORTED)
|
|
{
|
|
CAMHAL_LOGE("maximum number of cameras already open");
|
|
rv = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
camera_device = (ti_camera_device_t*)malloc(sizeof(*camera_device));
|
|
if(!camera_device)
|
|
{
|
|
CAMHAL_LOGE("camera_device allocation fail");
|
|
rv = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
camera_ops = (camera_device_ops_t*)malloc(sizeof(*camera_ops));
|
|
if(!camera_ops)
|
|
{
|
|
CAMHAL_LOGE("camera_ops allocation fail");
|
|
rv = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
memset(camera_device, 0, sizeof(*camera_device));
|
|
memset(camera_ops, 0, sizeof(*camera_ops));
|
|
|
|
camera_device->base.common.tag = HARDWARE_DEVICE_TAG;
|
|
camera_device->base.common.version = 0;
|
|
camera_device->base.common.module = (hw_module_t *)(module);
|
|
camera_device->base.common.close = camera_device_close;
|
|
camera_device->base.ops = camera_ops;
|
|
|
|
camera_ops->set_preview_window = camera_set_preview_window;
|
|
camera_ops->set_callbacks = camera_set_callbacks;
|
|
camera_ops->enable_msg_type = camera_enable_msg_type;
|
|
camera_ops->disable_msg_type = camera_disable_msg_type;
|
|
camera_ops->msg_type_enabled = camera_msg_type_enabled;
|
|
camera_ops->start_preview = camera_start_preview;
|
|
camera_ops->stop_preview = camera_stop_preview;
|
|
camera_ops->preview_enabled = camera_preview_enabled;
|
|
camera_ops->store_meta_data_in_buffers = camera_store_meta_data_in_buffers;
|
|
camera_ops->start_recording = camera_start_recording;
|
|
camera_ops->stop_recording = camera_stop_recording;
|
|
camera_ops->recording_enabled = camera_recording_enabled;
|
|
camera_ops->release_recording_frame = camera_release_recording_frame;
|
|
camera_ops->auto_focus = camera_auto_focus;
|
|
camera_ops->cancel_auto_focus = camera_cancel_auto_focus;
|
|
camera_ops->take_picture = camera_take_picture;
|
|
camera_ops->cancel_picture = camera_cancel_picture;
|
|
camera_ops->set_parameters = camera_set_parameters;
|
|
camera_ops->get_parameters = camera_get_parameters;
|
|
camera_ops->put_parameters = camera_put_parameters;
|
|
camera_ops->send_command = camera_send_command;
|
|
camera_ops->release = camera_release;
|
|
camera_ops->dump = camera_dump;
|
|
|
|
*device = &camera_device->base.common;
|
|
|
|
// -------- TI specific stuff --------
|
|
|
|
camera_device->cameraid = cameraid;
|
|
|
|
if(gCameraProperties.getProperties(cameraid, &properties) < 0)
|
|
{
|
|
CAMHAL_LOGE("Couldn't get camera properties");
|
|
rv = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
camera = new CameraHal(cameraid);
|
|
|
|
if(!camera)
|
|
{
|
|
CAMHAL_LOGE("Couldn't create instance of CameraHal class");
|
|
rv = -ENOMEM;
|
|
goto fail;
|
|
}
|
|
|
|
if(properties && (camera->initialize(properties) != NO_ERROR))
|
|
{
|
|
CAMHAL_LOGE("Couldn't initialize camera instance");
|
|
rv = -ENODEV;
|
|
goto fail;
|
|
}
|
|
|
|
gCameraHals[cameraid] = camera;
|
|
gCamerasOpen++;
|
|
}
|
|
|
|
return rv;
|
|
|
|
fail:
|
|
if(camera_device) {
|
|
free(camera_device);
|
|
camera_device = NULL;
|
|
}
|
|
if(camera_ops) {
|
|
free(camera_ops);
|
|
camera_ops = NULL;
|
|
}
|
|
if(camera) {
|
|
delete camera;
|
|
camera = NULL;
|
|
}
|
|
*device = NULL;
|
|
return rv;
|
|
}
|
|
|
|
int camera_get_number_of_cameras(void)
|
|
{
|
|
int num_cameras = MAX_CAMERAS_SUPPORTED;
|
|
|
|
// this going to be the first call from camera service
|
|
// initialize camera properties here...
|
|
if(gCameraProperties.initialize() != NO_ERROR)
|
|
{
|
|
CAMHAL_LOGEA("Unable to create or initialize CameraProperties");
|
|
return NULL;
|
|
}
|
|
|
|
num_cameras = gCameraProperties.camerasSupported();
|
|
|
|
return num_cameras;
|
|
}
|
|
|
|
int camera_get_camera_info(int camera_id, struct camera_info *info)
|
|
{
|
|
int rv = 0;
|
|
int face_value = CAMERA_FACING_BACK;
|
|
int orientation = 0;
|
|
const char *valstr = NULL;
|
|
CameraProperties::Properties* properties = NULL;
|
|
|
|
// this going to be the first call from camera service
|
|
// initialize camera properties here...
|
|
if(gCameraProperties.initialize() != NO_ERROR)
|
|
{
|
|
CAMHAL_LOGEA("Unable to create or initialize CameraProperties");
|
|
rv = -EINVAL;
|
|
goto end;
|
|
}
|
|
|
|
//Get camera properties for camera index
|
|
if(gCameraProperties.getProperties(camera_id, &properties) < 0)
|
|
{
|
|
CAMHAL_LOGE("Couldn't get camera properties");
|
|
rv = -EINVAL;
|
|
goto end;
|
|
}
|
|
|
|
if(properties)
|
|
{
|
|
valstr = properties->get(CameraProperties::FACING_INDEX);
|
|
if(valstr != NULL)
|
|
{
|
|
if (strcmp(valstr, TICameraParameters::FACING_FRONT) == 0)
|
|
{
|
|
face_value = CAMERA_FACING_FRONT;
|
|
}
|
|
else if (strcmp(valstr, TICameraParameters::FACING_BACK) == 0)
|
|
{
|
|
face_value = CAMERA_FACING_BACK;
|
|
}
|
|
}
|
|
|
|
valstr = properties->get(CameraProperties::ORIENTATION_INDEX);
|
|
if(valstr != NULL)
|
|
{
|
|
orientation = atoi(valstr);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
CAMHAL_LOGEB("getProperties() returned a NULL property set for Camera id %d", camera_id);
|
|
}
|
|
|
|
info->facing = face_value;
|
|
info->orientation = orientation;
|
|
|
|
end:
|
|
return rv;
|
|
}
|
|
|
|
|
|
} // namespace Camera
|
|
} // namespace Ti
|