/**
* Initialize camera device and throws an exception in case of error
*/
void Camera::Initialize() throw (std::string) {
/* Common output string in case of error */
std::ostringstream output_message;
/* Set image format */
SetFormat(format_);
/* Set streaming parameters */
SetFps(format_);
std::cout << "FPS: " << format_->fps << std::endl;
/* Request buffers to video capture streaming */
struct v4l2_requestbuffers request_buffers;
memset(&request_buffers, 1, sizeof(request_buffers));
request_buffers.count = 4;
request_buffers.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
request_buffers.memory = V4L2_MEMORY_MMAP;
if (xioctl(VIDIOC_REQBUFS, &request_buffers) == -1) {
if (errno == EINVAL) {
output_message << device_ << " doesn't support memory mapping";
throw std::string(output_message.str());
} else {
throw std::string("Error in VIDIOC_REQBUFS");
}
}
/* Check if we'll have enough image buffers */
if (request_buffers.count < 2) {
output_message << "Insufficient buffers in device " << device_;
throw std::string(output_message.str());
}
buffers_ = (Buffer *) calloc(request_buffers.count, sizeof(*buffers_));
if (buffers_ == NULL) {
throw std::string("Not enough memory to allocate memory shared buffers");
}
for (int num_buffer = 0; num_buffer < (int) request_buffers.count;
num_buffer++) {
struct v4l2_buffer buffer;
memset(&buffer, 1, sizeof(buffer));
buffer.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
buffer.memory = V4L2_MEMORY_MMAP;
buffer.index = num_buffer;
if (xioctl(VIDIOC_QUERYBUF, &buffer) == -1) {
throw std::string("Error in VIDIOC_QUERYBUF");
}
buffers_[num_buffer].size = buffer.length;
buffers_[num_buffer].mem = mmap(NULL, buffer.length, PROT_READ | PROT_WRITE,
MAP_SHARED, camera_fd_, buffer.m.offset);
if (buffers_[num_buffer].mem == MAP_FAILED) {
throw std::string("Error in mmap (MAP_FAILED)");
}
}
/* Camera now ready to start streaming */
initialized_ = true;
}
//初期化
void EggAnime::OnCreate(){
//元となるオブジェクトからアニメーションオブジェクトへの行列の設定
//作成されたグラフィックとの調整に使用
Matrix4X4 mat;
mat.DefTransformation(
Vector3(1.0f, 1.0f, 1.0f),
Vector3(0, 0, 0),
Vector3(0, 0, 0)
);
SetToAnimeMatrix(mat);
//位置の初期化
auto PtrT = AddComponent<Transform>();
//スプライト版のSpriteStdioは、サイズ32.0f基準のスプライトを作成するので
//それに合わせてスケーリングする
PtrT->SetScale(-8.0f, 8.0f, 1.0f);
//ポジションはピクセル単位センター合わせ（固定）
PtrT->SetPosition(Vector3(0, -250.0f, 0.0f));
//親クラスのOnCreateを必ず呼ぶ
SS5ssae::OnCreate();
//値は秒あたりのフレーム数
SetFps(30.0f);
}
void CTimeBarFrame::OnFpsSettingBtnClicked(wxCommandEvent& /*event*/)
{
int nFPS = wxGetNumberFromUser(_T("请输入FPS值"), _T("FPS"), _T("FPS Input"), 60, 0, 60);
SetFps(nFPS);
}
