49842cee05
These two tasks (starting the camera device, and starting working thread that pulls frames from the started camera device) should be clearly separated, and should not be combined in one method (as it was with the 'startCapturing' method). Change-Id: I779bee924d99d9a87257c6b76791545b76795e72
121 lines
3.6 KiB
C++
Executable File
121 lines
3.6 KiB
C++
Executable File
/*
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* Copyright (C) 2011 The Android Open Source Project
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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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* Contains implementation of a class EmulatedQemuCamera that encapsulates
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* functionality of an emulated camera connected to the host.
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*/
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#define LOG_NDEBUG 0
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#define LOG_TAG "EmulatedCamera_QemuCamera"
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#include <cutils/log.h>
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#include "EmulatedQemuCamera.h"
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#include "EmulatedCameraFactory.h"
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namespace android {
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EmulatedQemuCamera::EmulatedQemuCamera(int cameraId, struct hw_module_t* module)
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: EmulatedCamera(cameraId, module),
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mQemuCameraDevice(this)
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{
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}
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EmulatedQemuCamera::~EmulatedQemuCamera()
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{
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}
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/****************************************************************************
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* EmulatedCamera virtual overrides.
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***************************************************************************/
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status_t EmulatedQemuCamera::Initialize(const char* device_name,
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const char* frame_dims)
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{
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/* Save dimensions. */
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mFrameDims = frame_dims;
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/* Initialize camera device. */
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status_t res = mQemuCameraDevice.Initialize(device_name);
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if (res != NO_ERROR) {
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return res;
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}
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/* Initialize base class. */
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res = EmulatedCamera::Initialize();
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if (res != NO_ERROR) {
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return res;
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}
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/*
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* Set customizable parameters.
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*/
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const char* facing = EmulatedCamera::FACING_FRONT;
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if (gEmulatedCameraFactory.getQemuCameraOrientation() == CAMERA_FACING_BACK) {
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facing = EmulatedCamera::FACING_BACK;
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}
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mParameters.set(EmulatedCamera::FACING_KEY, facing);
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mParameters.set(EmulatedCamera::ORIENTATION_KEY,
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gEmulatedCameraFactory.getQemuCameraOrientation());
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mParameters.set(CameraParameters::KEY_SUPPORTED_PICTURE_SIZES, frame_dims);
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mParameters.set(CameraParameters::KEY_SUPPORTED_PREVIEW_SIZES, frame_dims);
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/*
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* Use first dimension reported by the device to set current preview and
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* picture sizes.
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*/
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char first_dim[128];
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/* Dimensions are separated with ',' */
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const char* c = strchr(frame_dims, ',');
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if (c == NULL) {
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strncpy(first_dim, frame_dims, sizeof(first_dim));
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first_dim[sizeof(first_dim)-1] = '\0';
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} else if (static_cast<size_t>(c - frame_dims) < sizeof(first_dim)) {
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memcpy(first_dim, frame_dims, c - frame_dims);
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first_dim[c - frame_dims] = '\0';
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} else {
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memcpy(first_dim, frame_dims, sizeof(first_dim));
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first_dim[sizeof(first_dim)-1] = '\0';
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}
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/* Width and height are separated with 'x' */
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char* sep = strchr(first_dim, 'x');
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if (sep == NULL) {
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LOGE("%s: Invalid first dimension format in %s",
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__FUNCTION__, frame_dims);
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return EINVAL;
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}
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*sep = '\0';
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const int x = atoi(first_dim);
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const int y = atoi(sep + 1);
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mParameters.setPreviewSize(x, y);
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mParameters.setPictureSize(x, y);
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LOGV("%s: Qemu camera %s is initialized. Current frame is %dx%d",
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__FUNCTION__, device_name, x, y);
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return NO_ERROR;
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}
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EmulatedCameraDevice* EmulatedQemuCamera::getCameraDevice()
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{
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return &mQemuCameraDevice;
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}
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}; /* namespace android */
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