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cameraHAL.cpp
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cameraHAL.cpp
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/*
* Copyright (C) 2012 The Android Open Source Project
* Copyright (C) 2012 Zhibin Wu, Simon Davie, Nico Kaiser
* Copyright (C) 2012 QiSS ME Project Team
* Copyright (C) 2012 Twisted, Sean Neeley
* Copyright (C) 2012 Tomasz Rostanski
*
* 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_TAG "CameraHAL"
//#define DUMP_PARAMS 1 /* dump parameteters after get/set operation */
#define MAX_CAMERAS_SUPPORTED 2
#define GRALLOC_USAGE_PMEM_PRIVATE_ADSP GRALLOC_USAGE_PRIVATE_0
#include <fcntl.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <time.h>
#include <cutils/log.h>
#include "Overlay.h"
#include <camera/CameraParameters.h>
#include <hardware/camera.h>
#include <binder/IMemory.h>
#include "CameraHardwareInterface.h"
#include <cutils/properties.h>
using android::sp;
using android::Overlay;
using android::String8;
using android::IMemory;
using android::IMemoryHeap;
using android::CameraParameters;
using android::CameraInfo;
using android::HAL_getCameraInfo;
using android::HAL_getNumberOfCameras;
using android::HAL_openCameraHardware;
using android::CameraHardwareInterface;
static sp<CameraHardwareInterface> gCameraHals[MAX_CAMERAS_SUPPORTED];
static unsigned int gCamerasOpen = 0;
//static android::Mutex gCameraDeviceLock;
static int camera_device_open(const hw_module_t* module, const char* name,
hw_device_t** device);
static int camera_device_close(hw_device_t* device);
static int camera_get_number_of_cameras(void);
static int camera_get_camera_info(int camera_id, struct camera_info *info);
int camera_get_number_of_cameras(void);
static struct hw_module_methods_t camera_module_methods = {
open: camera_device_open
};
camera_module_t HAL_MODULE_INFO_SYM = {
common: {
tag: HARDWARE_MODULE_TAG,
version_major: 1,
version_minor: 0,
id: CAMERA_HARDWARE_MODULE_ID,
name: "7x30 CameraHal Module",
author: "Zhibin Wu",
methods: &camera_module_methods,
dso: NULL, /* remove compilation warnings */
reserved: {0}, /* remove compilation warnings */
},
get_number_of_cameras: camera_get_number_of_cameras,
get_camera_info: camera_get_camera_info,
};
typedef struct priv_camera_device {
camera_device_t base;
/* specific "private" data can go here (base.priv) */
int cameraid;
/* new world */
preview_stream_ops *window;
camera_notify_callback notify_callback;
camera_data_callback data_callback;
camera_data_timestamp_callback data_timestamp_callback;
camera_request_memory request_memory;
void *user;
/* old world*/
int preview_width;
int preview_height;
sp<Overlay> overlay;
gralloc_module_t const *gralloc;
} priv_camera_device_t;
static struct {
int type;
const char *text;
} msg_map[] = {
{0x0001, "CAMERA_MSG_ERROR"},
{0x0002, "CAMERA_MSG_SHUTTER"},
{0x0004, "CAMERA_MSG_FOCUS"},
{0x0008, "CAMERA_MSG_ZOOM"},
{0x0010, "CAMERA_MSG_PREVIEW_FRAME"},
{0x0020, "CAMERA_MSG_VIDEO_FRAME"},
{0x0040, "CAMERA_MSG_POSTVIEW_FRAME"},
{0x0080, "CAMERA_MSG_RAW_IMAGE"},
{0x0100, "CAMERA_MSG_COMPRESSED_IMAGE"},
{0x0200, "CAMERA_MSG_RAW_IMAGE_NOTIFY"},
{0x0400, "CAMERA_MSG_PREVIEW_METADATA"},
{0x0000, "CAMERA_MSG_ALL_MSGS"}, //0xFFFF
{0x0000, "NULL"},
};
static void dump_msg(const char *tag, int msg_type)
{
#if LOG_NDEBUG
int i;
for (i = 0; msg_map[i].type; i++) {
if (msg_type & msg_map[i].type) {
ALOGV("%s: %s", tag, msg_map[i].text);
}
}
#endif
}
/*******************************************************************
* overlay hook
*******************************************************************/
static void wrap_set_fd_hook(void *data, int fd)
{
priv_camera_device_t* dev = NULL;
ALOGV("%s+++: data %p", __FUNCTION__, data);
if(!data)
return;
dev = (priv_camera_device_t*) data;
}
static void wrap_set_crop_hook(void *data,
uint32_t x, uint32_t y,
uint32_t w, uint32_t h)
{
priv_camera_device_t* dev = NULL;
preview_stream_ops* window = NULL;
ALOGV("%s+++: %p", __FUNCTION__,data);
if(!data)
return;
dev = (priv_camera_device_t*) data;
window = dev->window;
if (window == 0)
return;
window->set_crop(window, x, y, w, h);
}
//QiSS ME for preview
static void wrap_queue_buffer_hook(void *data, void* buffer)
{
sp<IMemoryHeap> heap;
priv_camera_device_t* dev = NULL;
preview_stream_ops* window = NULL;
ALOGV("%s+++: %p", __FUNCTION__,data);
if(!data)
return;
dev = (priv_camera_device_t*) data;
window = dev->window;
//QiSS ME fix video preview crash
if(window == 0)
return;
heap = gCameraHals[dev->cameraid]->getPreviewHeap();
if(heap == 0)
return;
int offset = (int)buffer;
char *frame = (char *)(heap->base()) + offset;
ALOGV("%s: base:%p offset:%i frame:%p", __FUNCTION__,
heap->base(), offset, frame);
int stride;
void *vaddr;
buffer_handle_t *buf_handle;
int width = dev->preview_width;
int height = dev->preview_height;
if (0 != window->dequeue_buffer(window, &buf_handle, &stride)) {
ALOGE("%s: could not dequeue gralloc buffer", __FUNCTION__);
goto skipframe;
}
if (0 == dev->gralloc->lock(dev->gralloc, *buf_handle,
GRALLOC_USAGE_SW_WRITE_MASK,
0, 0, width, height, &vaddr)) {
/* Our cam sensor is configured in normal (not mirror mode)
* but the Android expects the front cameras to be working
* in mirror mode, so in result we have a preview rotated
* by 180 degrees. For some reason this issue not appears
* in ICS so we put the frame as it is there.
* On JB we're flipping the frame horizontally and vertically
* to compensate this rotation.
* To flip horizontally the YUV420SP frame we are reverting
* the order of data in the rows (horizontally) and the order
* of rows (vertically).
*/
#ifdef ANDROID_ICS
memcpy(vaddr, frame, width * height * 3 / 2);
#else
/*
* The YUV420 Semi-Planar frame is constructed as follows:
*
* - the Y values are stored in one plane:
* |-------------------------------| _
* | Y0 | Y1 | Y2 | Y3 | ... | |
* | ... | height
* | | |
* |-------------------------------| -
* <------------ width ------------>
*
* - the U and V values (sub-sampled by 2) are stored in another plane:
* |-------------------------------| _
* | U0 | V0 | U2 | V2 | .... | |
* | ... | height/2
* | | |
* |-------------------------------| -
* <------------ width ------------>
*/
uint8_t *buff = (uint8_t *)vaddr;
int pos_in = 0, pos_out = 0;
//swap Y plane
for (int y = 0; y < height; ++y)
{
pos_in = y * width;
pos_out = (height - y) * width;
for (int x = 0; x < width; ++x)
buff[pos_in + x] = frame[pos_out + width - x];
}
//swap UV plane
pos_out = pos_in + width + width * height/2;
for (int y = 0; y < height/2; ++y)
{
pos_in += width;
pos_out -= width;
for (int x = 0; x < width; ++x)
buff[pos_in + x] = frame[pos_out + width - x];
}
#endif
ALOGV("%s: copy frame to gralloc buffer", __FUNCTION__);
} else {
ALOGE("%s: could not lock gralloc buffer", __FUNCTION__);
goto skipframe;
}
dev->gralloc->unlock(dev->gralloc, *buf_handle);
if (0 != window->enqueue_buffer(window, buf_handle)) {
ALOGE("%s: could not dequeue gralloc buffer", __FUNCTION__);
goto skipframe;
}
skipframe:
#ifdef DUMP_PREVIEW_FRAMES
static int frameCnt = 0;
int written;
if (frameCnt >= 100 && frameCnt <= 109 ) {
char path[128];
snprintf(path, sizeof(path), "/sdcard/%d_preview.yuv", frameCnt);
int file_fd = open(path, O_RDWR | O_CREAT, 0666);
ALOGI("dumping preview frame %d", frameCnt);
if (file_fd < 0) {
ALOGE("cannot open file:%s (error:%i)\n", path, errno);
}
else
{
ALOGV("dumping data");
written = write(file_fd, (char *)frame,
dev->preview_frame_size);
if(written < 0)
ALOGE("error in data write");
}
close(file_fd);
}
frameCnt++;
#endif
ALOGV("%s---: ", __FUNCTION__);
return;
}
/*******************************************************************
* camera interface callback
*******************************************************************/
static camera_memory_t *wrap_memory_data(priv_camera_device_t *dev,
const sp<IMemory>& dataPtr)
{
void *data;
size_t size;
ssize_t offset;
sp<IMemoryHeap> heap;
camera_memory_t *mem;
ALOGV("%s+++,dev->request_memory %p", __FUNCTION__,dev->request_memory);
if (!dev->request_memory)
return NULL;
if (dataPtr == NULL)
{
ALOGE("%s+++: received null data", __FUNCTION__);
return NULL;
}
heap = dataPtr->getMemory(&offset, &size);
data = (void *)((char *)(heap->base()) + offset);
ALOGV("%s: data: %p size: %i", __FUNCTION__, data, size);
ALOGV(" offset: %lu", (unsigned long)offset);
//#define DUMP_CAPTURE_JPEG
#ifdef DUMP_CAPTURE_JPEG
static int frameCnt = 0;
int written;
char path[128];
snprintf(path, sizeof(path), "/sdcard/%d_capture.jpg", frameCnt);
int file_fd = open(path, O_RDWR | O_CREAT, 0666);
ALOGI("dumping capture jpeg %d", frameCnt);
if (file_fd < 0) {
ALOGE("cannot open file:%s (error:%i)\n", path, errno);
}
else
{
ALOGV("dumping jpeg");
written = write(file_fd, (char *)data,
size);
if(written < 0)
ALOGE("error in data write");
}
close(file_fd);
frameCnt++;
#endif
mem = dev->request_memory(-1, size, 1, dev->user);
ALOGV(" mem:%p,mem->data%p ", mem,mem->data);
memcpy(mem->data, data, size);
ALOGV("%s---", __FUNCTION__);
return mem;
}
static void wrap_notify_callback(int32_t msg_type, int32_t ext1,
int32_t ext2, void* user)
{
priv_camera_device_t* dev = NULL;
ALOGV("%s+++: type %i user %p", __FUNCTION__, msg_type,user);
dump_msg(__FUNCTION__, msg_type);
if(!user)
return;
dev = (priv_camera_device_t*) user;
if (dev->notify_callback)
dev->notify_callback(msg_type, ext1, ext2, dev->user);
ALOGV("%s---", __FUNCTION__);
}
//QiSS ME for capture
static void wrap_data_callback(int32_t msg_type, const sp<IMemory>& dataPtr,
void* user)
{
camera_memory_t *data = NULL;
priv_camera_device_t* dev = NULL;
ALOGV("%s+++: type %i user %p", __FUNCTION__, msg_type,user);
dump_msg(__FUNCTION__, msg_type);
if(!user)
return;
dev = (priv_camera_device_t*) user;
if (msg_type == CAMERA_MSG_RAW_IMAGE)
{
gCameraHals[dev->cameraid]->disableMsgType(CAMERA_MSG_RAW_IMAGE);
return;
}
if (dataPtr == NULL)
{
ALOGE("%s+++: received null data", __FUNCTION__);
return;
}
data = wrap_memory_data(dev, dataPtr);
if (dev->data_callback)
dev->data_callback(msg_type, data, 0, NULL, dev->user);
if (NULL != data ) {
data->release(data);
}
ALOGV("%s---", __FUNCTION__);
}
//QiSS ME for record
static void wrap_data_callback_timestamp(nsecs_t timestamp, int32_t msg_type,
const sp<IMemory>& dataPtr, void* user)
{
priv_camera_device_t* dev = NULL;
camera_memory_t *data = NULL;
ALOGV("%s+++: type %i user %p ts %u", __FUNCTION__, msg_type, user, timestamp);
dump_msg(__FUNCTION__, msg_type);
if (!user)
return;
dev = (priv_camera_device_t*) user;
if (dataPtr == NULL)
{
ALOGE("%s+++: received null data", __FUNCTION__);
return;
}
data = wrap_memory_data(dev, dataPtr);
if (dev->data_timestamp_callback)
dev->data_timestamp_callback(timestamp,msg_type, data, 0, dev->user);
gCameraHals[dev->cameraid]->releaseRecordingFrame(dataPtr);//QiSS ME need release or record will stop
if ( NULL != data ) {
data->release(data);
}
ALOGV("%s---", __FUNCTION__);
}
/*******************************************************************
* implementation of priv_camera_device_ops functions
*******************************************************************/
void CameraHAL_FixupParams(android::CameraParameters &camParams)
{
const char *fps_supported_ranges = "(15,31)";
camParams.set(android::CameraParameters::KEY_VIDEO_FRAME_FORMAT,
android::CameraParameters::PIXEL_FORMAT_YUV420SP);
if (!camParams.get(CameraParameters::KEY_SUPPORTED_PREVIEW_FPS_RANGE)) {
camParams.set(CameraParameters::KEY_SUPPORTED_PREVIEW_FPS_RANGE,
fps_supported_ranges);
}
/* Disable auto focus on TouchPad */
camParams.set(CameraParameters::KEY_SUPPORTED_FOCUS_MODES,
CameraParameters::FOCUS_MODE_INFINITY);
camParams.set(CameraParameters::KEY_FOCUS_MODE,
CameraParameters::FOCUS_MODE_INFINITY);
camParams.set(android::CameraParameters::KEY_MAX_SHARPNESS, "30");
camParams.set(android::CameraParameters::KEY_MAX_CONTRAST, "10");
camParams.set(android::CameraParameters::KEY_MAX_SATURATION, "10");
camParams.set("num-snaps-per-shutter", "1");
}
int camera_set_preview_window(struct camera_device * device,
struct preview_stream_ops *window)
{
int min_bufs = -1;
int kBufferCount = 4;
priv_camera_device_t* dev = NULL;
ALOGI("%s+++,device %p", __FUNCTION__,device);
if(!device)
return -EINVAL;
dev = (priv_camera_device_t*) device;
dev->window = window;
if (!window) {
ALOGI("%s---: window is NULL", __FUNCTION__);
gCameraHals[dev->cameraid]->setOverlay(NULL);
return 0;
}
if (!dev->gralloc) {
if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID,
(const hw_module_t **)&(dev->gralloc))) {
ALOGE("%s: Fail on loading gralloc HAL", __FUNCTION__);
}
}
if (window->get_min_undequeued_buffer_count(window, &min_bufs)) {
ALOGE("%s---: could not retrieve min undequeued buffer count", __FUNCTION__);
return -1;
}
ALOGI("%s: bufs:%i", __FUNCTION__, min_bufs);
if (min_bufs >= kBufferCount) {
ALOGE("%s: min undequeued buffer count %i is too high (expecting at most %i)",
__FUNCTION__, min_bufs, kBufferCount - 1);
}
ALOGI("%s: setting buffer count to %i", __FUNCTION__, kBufferCount);
if (window->set_buffer_count(window, kBufferCount)) {
ALOGE("%s---: could not set buffer count", __FUNCTION__);
return -1;
}
int preview_width;
int preview_height;
CameraParameters params = gCameraHals[dev->cameraid]->getParameters();
params.getPreviewSize(&preview_width, &preview_height);
int hal_pixel_format = HAL_PIXEL_FORMAT_YCrCb_420_SP;
const char *str_preview_format = params.getPreviewFormat();
ALOGI("%s: preview format %s", __FUNCTION__, str_preview_format);
//Enable panorama without camera application "hacks"
//if (window->set_usage(window, GRALLOC_USAGE_SW_WRITE_MASK)) {
// ALOGE("%s---: could not set usage on gralloc buffer", __FUNCTION__);
// return -1;
//}
window->set_usage(window, GRALLOC_USAGE_PMEM_PRIVATE_ADSP | GRALLOC_USAGE_SW_READ_OFTEN);
if (window->set_buffers_geometry(window, preview_width,
preview_height, hal_pixel_format)) {
ALOGE("%s---: could not set buffers geometry to %s",
__FUNCTION__, str_preview_format);
return -1;
}
dev->preview_width = preview_width;
dev->preview_height = preview_height;
if (dev->overlay == NULL) {
dev->overlay = new Overlay(wrap_set_fd_hook,
wrap_set_crop_hook,
wrap_queue_buffer_hook,
(void *)dev);
}
gCameraHals[dev->cameraid]->setOverlay(dev->overlay);
ALOGI("%s---", __FUNCTION__);
return 0;
}
void camera_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)
{
priv_camera_device_t* dev = NULL;
ALOGI("%s+++,device %p", __FUNCTION__,device);
if(!device)
return;
dev = (priv_camera_device_t*) device;
dev->notify_callback = notify_cb;
dev->data_callback = data_cb;
dev->data_timestamp_callback = data_cb_timestamp;
dev->request_memory = get_memory;
dev->user = user;
gCameraHals[dev->cameraid]->setCallbacks(wrap_notify_callback, wrap_data_callback,
wrap_data_callback_timestamp, (void *)dev);
ALOGI("%s---", __FUNCTION__);
}
void camera_enable_msg_type(struct camera_device * device, int32_t msg_type)
{
priv_camera_device_t* dev = NULL;
ALOGI("%s+++: type %i device %p", __FUNCTION__, msg_type,device);
if (msg_type & CAMERA_MSG_RAW_IMAGE_NOTIFY) {
msg_type &= ~CAMERA_MSG_RAW_IMAGE_NOTIFY;
msg_type |= CAMERA_MSG_RAW_IMAGE;
}
dump_msg(__FUNCTION__, msg_type);
if(!device)
return;
dev = (priv_camera_device_t*) device;
gCameraHals[dev->cameraid]->enableMsgType(msg_type);
ALOGI("%s---", __FUNCTION__);
}
void camera_disable_msg_type(struct camera_device * device, int32_t msg_type)
{
priv_camera_device_t* dev = NULL;
ALOGI("%s+++: type %i device %p", __FUNCTION__, msg_type,device);
dump_msg(__FUNCTION__, msg_type);
if(!device)
return;
dev = (priv_camera_device_t*) device;
/* The camera app disables the shutter too early which leads to crash.
* Leaving it enabled. */
if (msg_type == CAMERA_MSG_SHUTTER)
return;
gCameraHals[dev->cameraid]->disableMsgType(msg_type);
ALOGI("%s---", __FUNCTION__);
}
int camera_msg_type_enabled(struct camera_device * device, int32_t msg_type)
{
priv_camera_device_t* dev = NULL;
int rv = -EINVAL;
ALOGI("%s+++: type %i device %p", __FUNCTION__, msg_type,device);
if(!device)
return 0;
dev = (priv_camera_device_t*) device;
rv = gCameraHals[dev->cameraid]->msgTypeEnabled(msg_type);
ALOGI("%s--- rv %d", __FUNCTION__,rv);
return rv;
}
int camera_start_preview(struct camera_device * device)
{
int rv = -EINVAL;
priv_camera_device_t* dev = NULL;
ALOGI("%s+++: device %p", __FUNCTION__, device);
if(!device)
return rv;
dev = (priv_camera_device_t*) device;
rv = gCameraHals[dev->cameraid]->startPreview();
ALOGI("%s--- rv %d", __FUNCTION__,rv);
return rv;
}
void camera_stop_preview(struct camera_device * device)
{
priv_camera_device_t* dev = NULL;
ALOGI("%s+++: device %p", __FUNCTION__, device);
if(!device)
return;
dev = (priv_camera_device_t*) device;
gCameraHals[dev->cameraid]->stopPreview();
ALOGI("%s---", __FUNCTION__);
}
int camera_preview_enabled(struct camera_device * device)
{
int rv = -EINVAL;
priv_camera_device_t* dev = NULL;
ALOGI("%s+++: device %p", __FUNCTION__, device);
if(!device)
return rv;
dev = (priv_camera_device_t*) device;
rv = gCameraHals[dev->cameraid]->previewEnabled();
ALOGI("%s--- rv %d", __FUNCTION__,rv);
return rv;
}
int camera_store_meta_data_in_buffers(struct camera_device * device, int enable)
{
int rv = -EINVAL;
priv_camera_device_t* dev = NULL;
ALOGI("%s+++: device %p", __FUNCTION__, device);
if(!device)
return rv;
dev = (priv_camera_device_t*) device;
// TODO: meta data buffer not current supported
//rv = gCameraHals[dev->cameraid]->storeMetaDataInBuffers(enable);
ALOGI("%s--- rv %d", __FUNCTION__,rv);
return rv;
//return enable ? android::INVALID_OPERATION: android::OK;
}
int camera_start_recording(struct camera_device * device)
{
int rv = -EINVAL;
priv_camera_device_t* dev = NULL;
ALOGI("%s+++: device %p", __FUNCTION__, device);
if(!device)
return rv;
dev = (priv_camera_device_t*) device;
rv = gCameraHals[dev->cameraid]->startRecording();
ALOGI("%s--- rv %d", __FUNCTION__,rv);
return rv;
}
void camera_stop_recording(struct camera_device * device)
{
priv_camera_device_t* dev = NULL;
ALOGI("%s+++: device %p", __FUNCTION__, device);
if(!device)
return;
dev = (priv_camera_device_t*) device;
gCameraHals[dev->cameraid]->stopRecording();
//QiSS ME force start preview when recording stop
gCameraHals[dev->cameraid]->startPreview();
ALOGI("%s---", __FUNCTION__);
}
int camera_recording_enabled(struct camera_device * device)
{
int rv = -EINVAL;
priv_camera_device_t* dev = NULL;
ALOGI("%s+++: device %p", __FUNCTION__, device);
if(!device)
return rv;
dev = (priv_camera_device_t*) device;
rv = gCameraHals[dev->cameraid]->recordingEnabled();
ALOGI("%s--- rv %d", __FUNCTION__,rv);
return rv;
}
void camera_release_recording_frame(struct camera_device * device,
const void *opaque)
{
priv_camera_device_t* dev = NULL;
//camera_memory_t *data = (camera_memory_t *)(&opaque);
//ALOGV("%s+++: device %p,opaque %p,data %p", __FUNCTION__, device,opaque,data);
if(!device)
return;
dev = (priv_camera_device_t*) device;
/*
if ( NULL != data ) {
data->release(data);
}
*/
//gCameraHals[dev->cameraid]->releaseRecordingFrame(opaque);
ALOGV("%s---", __FUNCTION__);
}
int camera_auto_focus(struct camera_device * device)
{
int rv = -EINVAL;
priv_camera_device_t* dev = NULL;
ALOGI("%s+++: device %p", __FUNCTION__, device);
if(!device)
return rv;
dev = (priv_camera_device_t*) device;
rv = gCameraHals[dev->cameraid]->autoFocus();
ALOGI("%s--- rv %d", __FUNCTION__,rv);
return rv;
}
int camera_cancel_auto_focus(struct camera_device * device)
{
int rv = -EINVAL;
priv_camera_device_t* dev = NULL;
ALOGI("%s+++: device %p", __FUNCTION__, device);
if(!device)
return rv;
dev = (priv_camera_device_t*) device;
rv = gCameraHals[dev->cameraid]->cancelAutoFocus();
ALOGI("%s--- rv %d", __FUNCTION__,rv);
return rv;
}
int camera_take_picture(struct camera_device * device)
{
int rv = -EINVAL;
priv_camera_device_t* dev = NULL;
ALOGI("%s+++: device %p", __FUNCTION__, device);
if(!device)
return rv;
dev = (priv_camera_device_t*) device;
gCameraHals[dev->cameraid]->enableMsgType(CAMERA_MSG_SHUTTER |
CAMERA_MSG_POSTVIEW_FRAME |
CAMERA_MSG_RAW_IMAGE |
CAMERA_MSG_COMPRESSED_IMAGE);
rv = gCameraHals[dev->cameraid]->takePicture();
ALOGI("%s--- rv %d", __FUNCTION__,rv);
return rv;
}
int camera_cancel_picture(struct camera_device * device)
{
int rv = -EINVAL;
priv_camera_device_t* dev = NULL;
ALOGI("%s+++: device %p", __FUNCTION__, device);
if(!device)
return rv;
dev = (priv_camera_device_t*) device;
rv = gCameraHals[dev->cameraid]->cancelPicture();
ALOGI("%s--- rv %d", __FUNCTION__,rv);
return rv;
}
int camera_set_parameters(struct camera_device * device, const char *params)
{
int rv = -EINVAL;
priv_camera_device_t* dev = NULL;
CameraParameters camParams;
ALOGI("%s+++: device %p", __FUNCTION__, device);
if(!device)
return rv;
dev = (priv_camera_device_t*) device;
String8 params_str8(params);
camParams.unflatten(params_str8);
#ifdef DUMP_PARAMS
camParams.dump();
#endif
/* Add timestamp */
char str[20] = { 0 };
const time_t date = time(NULL) + 1;
if (strftime(str, sizeof(str), "%Y-%m-%d %H.%M.%S", localtime(&date)) > 0)
camParams.set(CameraParameters::KEY_EXIF_DATETIME, str);
rv = gCameraHals[dev->cameraid]->setParameters(camParams);
#ifdef DUMP_PARAMS
camParams.dump();
#endif
ALOGI("%s--- rv %d", __FUNCTION__,rv);
return rv;
}
char* camera_get_parameters(struct camera_device * device)
{
char* params = NULL;
priv_camera_device_t* dev = NULL;
String8 params_str8;
CameraParameters camParams;
ALOGI("%s+++: device %p", __FUNCTION__, device);
if(!device)
return NULL;
dev = (priv_camera_device_t*) device;
camParams = gCameraHals[dev->cameraid]->getParameters();
#ifdef DUMP_PARAMS
camParams.dump();
#endif
CameraHAL_FixupParams(camParams);
params_str8 = camParams.flatten();
params = (char*) malloc(sizeof(char) * (params_str8.length()+1));
strcpy(params, params_str8.string());
#ifdef DUMP_PARAMS
camParams.dump();
#endif
ALOGI("%s---", __FUNCTION__);
return params;
}
static void camera_put_parameters(struct camera_device *device, char *parms)
{
ALOGI("%s+++", __FUNCTION__);
free(parms);
ALOGI("%s---", __FUNCTION__);
}
int camera_send_command(struct camera_device * device,
int32_t cmd, int32_t arg1, int32_t arg2)
{
int rv = -EINVAL;
priv_camera_device_t* dev = NULL;
ALOGI("%s: cmd %i, arg1: %i arg2: %i, device %p", __FUNCTION__,
cmd, arg1, arg2, device);
if(!device)
return rv;
dev = (priv_camera_device_t*) device;
rv = gCameraHals[dev->cameraid]->sendCommand(cmd, arg1, arg2);
ALOGI("%s--- rv %d", __FUNCTION__,rv);
return rv;
}