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/*
* Copyright (C) 2011 The Android Open Source 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.
*/
/*
* Contains implementation of a class EmulatedQemuCamera that encapsulates
* functionality of an emulated camera connected to the host.
*/
#define LOG_NDEBUG 0
#define LOG_TAG "EmulatedCamera_QemuCamera"
#include "EmulatedQemuCamera.h"
#include <log/log.h>
#include "EmulatedCameraFactory.h"
namespace android {
EmulatedQemuCamera::EmulatedQemuCamera(int cameraId, struct hw_module_t* module)
: EmulatedCamera(cameraId, module), mQemuCameraDevice(this) {}
EmulatedQemuCamera::~EmulatedQemuCamera() {}
/****************************************************************************
* EmulatedCamera virtual overrides.
***************************************************************************/
status_t EmulatedQemuCamera::Initialize(const char* device_name,
const char* frame_dims,
const char* facing_dir) {
ALOGV("%s:\n Name=%s\n Facing '%s'\n Dimensions=%s", __FUNCTION__,
device_name, facing_dir, frame_dims);
/* Save dimensions. */
mFrameDims = frame_dims;
/* Initialize camera device. */
status_t res = mQemuCameraDevice.Initialize(device_name);
if (res != NO_ERROR) {
return res;
}
/* Initialize base class. */
res = EmulatedCamera::Initialize();
if (res != NO_ERROR) {
return res;
}
/*
* Set customizable parameters.
*/
mParameters.set(EmulatedCamera::FACING_KEY, facing_dir);
mParameters.set(EmulatedCamera::ORIENTATION_KEY,
gEmulatedCameraFactory.getQemuCameraOrientation());
mParameters.set(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES, frame_dims);
mParameters.set(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES, frame_dims);
/*
* Use first dimension reported by the device to set current preview and
* picture sizes.
*/
char first_dim[128];
/* Dimensions are separated with ',' */
const char* c = strchr(frame_dims, ',');
if (c == NULL) {
strncpy(first_dim, frame_dims, sizeof(first_dim));
first_dim[sizeof(first_dim) - 1] = '\0';
} else if (static_cast<size_t>(c - frame_dims) < sizeof(first_dim)) {
memcpy(first_dim, frame_dims, c - frame_dims);
first_dim[c - frame_dims] = '\0';
} else {
memcpy(first_dim, frame_dims, sizeof(first_dim));
first_dim[sizeof(first_dim) - 1] = '\0';
}
/* Width and height are separated with 'x' */
char* sep = strchr(first_dim, 'x');
if (sep == NULL) {
ALOGE("%s: Invalid first dimension format in %s", __FUNCTION__, frame_dims);
return EINVAL;
}
*sep = '\0';
const int x = atoi(first_dim);
const int y = atoi(sep + 1);
mParameters.setPreviewSize(x, y);
mParameters.setPictureSize(x, y);
ALOGV("%s: Qemu camera %s is initialized. Current frame is %dx%d",
__FUNCTION__, device_name, x, y);
return NO_ERROR;
}
EmulatedCameraDevice* EmulatedQemuCamera::getCameraDevice() {
return &mQemuCameraDevice;
}
}; /* namespace android */
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