package com.qd.recorder;
import static com.googlecode.javacv.cpp.opencv_highgui.cvCreateFileCapture;
import static com.googlecode.javacv.cpp.opencv_highgui.cvQueryFrame;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Reader;
import java.io.Writer;
import java.text.SimpleDateFormat;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import android.app.Activity;
import android.app.Dialog;
import android.content.ContentValues;
import android.content.Context;
import android.hardware.Camera;
import android.hardware.Camera.CameraInfo;
import android.hardware.Camera.Parameters;
import android.os.Build;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.provider.MediaStore.Video;
import android.view.LayoutInflater;
import android.view.Surface;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.LinearLayout.LayoutParams;
import android.widget.TextView;
import android.widget.Toast;
import com.googlecode.javacv.cpp.opencv_core.IplImage;
import com.googlecode.javacv.cpp.opencv_highgui.CvCapture;
import com.qd.videorecorder.R;
public class Util {
public static ContentValues videoContentValues = null;
public static String getRecordingTimeFromMillis(long millis)
{
String strRecordingTime = null;
int seconds = (int) (millis / 1000);
int minutes = seconds / 60;
int hours = minutes / 60;
if(hours >= 0 && hours < 10)
strRecordingTime = "0" + hours + ":";
else
strRecordingTime = hours + ":";
if(hours > 0)
minutes = minutes % 60;
if(minutes >= 0 && minutes < 10)
strRecordingTime += "0" + minutes + ":";
else
strRecordingTime += minutes + ":";
seconds = seconds % 60;
if(seconds >= 0 && seconds < 10)
strRecordingTime += "0" + seconds ;
else
strRecordingTime += seconds ;
return strRecordingTime;
}
public static int determineDisplayOrientation(Activity activity, int defaultCameraId) {
int displayOrientation = 0;
if(Build.VERSION.SDK_INT > Build.VERSION_CODES.FROYO)
{
CameraInfo cameraInfo = new CameraInfo();
Camera.getCameraInfo(defaultCameraId, cameraInfo);
int degrees = getRotationAngle(activity);
if (cameraInfo.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
displayOrientation = (cameraInfo.orientation + degrees) % 360;
displayOrientation = (360 - displayOrientation) % 360;
} else {
displayOrientation = (cameraInfo.orientation - degrees + 360) % 360;
}
}
return displayOrientation;
}
public static int getRotationAngle(Activity activity)
{
int rotation = activity.getWindowManager().getDefaultDisplay().getRotation();
int degrees = 0;
switch (rotation) {
case Surface.ROTATION_0:
degrees = 0;
break;
case Surface.ROTATION_90:
degrees = 90;
break;
case Surface.ROTATION_180:
degrees = 180;
break;
case Surface.ROTATION_270:
degrees = 270;
break;
}
return degrees;
}
public static int getRotationAngle(int rotation)
{
int degrees = 0;
switch (rotation) {
case Surface.ROTATION_0:
degrees = 0;
break;
case Surface.ROTATION_90:
degrees = 90;
break;
case Surface.ROTATION_180:
degrees = 180;
break;
case Surface.ROTATION_270:
degrees = 270;
break;
}
return degrees;
}
public static String createImagePath(Context context){
long dateTaken = System.currentTimeMillis();
String title = CONSTANTS.FILE_START_NAME + dateTaken;
String filename = title + CONSTANTS.IMAGE_EXTENSION;
String dirPath = Environment.getExternalStorageDirectory()+"/Android/data/" + context.getPackageName()+"/video";
File file = new File(dirPath);
if(!file.exists() || !file.isDirectory())
file.mkdirs();
String filePath = dirPath + "/" + filename;
return filePath;
}
public static String createFinalPath(Context context)
{
long dateTaken = System.currentTimeMillis();
String title = CONSTANTS.FILE_START_NAME + dateTaken;
String filename = title + CONSTANTS.VIDEO_EXTENSION;
String filePath = genrateFilePath(context,String.valueOf(dateTaken), true, null);
ContentValues values = new ContentValues(7);
values.put(Video.Media.TITLE, title);
values.put(Video.Media.DISPLAY_NAME, filename);
values.put(Video.Media.DATE_TAKEN, dateTaken);
values.put(Video.Media.MIME_TYPE, "video/3gpp");
values.put(Video.Media.DATA, filePath);
videoContentValues = values;
return filePath;
}
public static void deleteTempVideo(Context context){
final String dirPath = Environment.getExternalStorageDirectory()+"/Android/data/" + context.getPackageName()+"/video";
new Thread(new Runnable() {
@Override
public void run() {
File file = new File(dirPath);
if(file != null && file.isDirectory()){
for(File file2 :file.listFiles()){
file2.delete();
}
}
}
}).start();
}
private static String genrateFilePath(Context context,String uniqueId, boolean isFinalPath, File tempFolderPath)
{
String fileName = CONSTANTS.FILE_START_NAME + uniqueId + CONSTANTS.VIDEO_EXTENSION;
String dirPath = Environment.getExternalStorageDirectory()+"/Android/data/" + context.getPackageName()+"/video";
if(isFinalPath)
{
File file = new File(dirPath);
if(!file.exists() || !file.isDirectory())
file.mkdirs();
}
else
dirPath = tempFolderPath.getAbsolutePath();
String filePath = dirPath + "/" + fileName;
return filePath;
}
public static String createTempPath(Context context,File tempFolderPath )
{
long dateTaken = System.currentTimeMillis();
String filePath = genrateFilePath(context,String.valueOf(dateTaken), false, tempFolderPath);
return filePath;
}
public static File getTempFolderPath()
{
File tempFolder = new File(CONSTANTS.TEMP_FOLDER_PATH +"_" +System.currentTimeMillis());
return tempFolder;
}
public static List<Camera.Size> getResolutionList(Camera camera)
{
Parameters parameters = camera.getParameters();
List<Camera.Size> previewSizes = parameters.getSupportedPreviewSizes();
return previewSizes;
}
public static RecorderParameters getRecorderParameter(int currentResolution)
{
RecorderParameters parameters = new RecorderParameters();
if(currentResolution == CONSTANTS.RESOLUTION_HIGH_VALUE)
{
parameters.setAudioBitrate(128000);
parameters.setVideoQuality(0);
}
else if(currentResolution == CONSTANTS.RESOLUTION_MEDIUM_VALUE)
{
parameters.setAudioBitrate(128000);
parameters.setVideoQuality(5);
}
else if(currentResolution == CONSTANTS.RESOLUTION_LOW_VALUE)
{
parameters.setAudioBitrate(96000);
parameters.setVideoQuality(20);
}
return parameters;
}
public static int calculateMargin(int previewWidth, int screenWidth)
{
int margin = 0;
if(previewWidth <= CONSTANTS.RESOLUTION_LOW)
{
margin = (int) (screenWidth*0.12);
}
else if(previewWidth > CONSTANTS.RESOLUTION_LOW && previewWidth <= CONSTANTS.RESOLUTION_MEDIUM)
{
margin = (int) (screenWidth*0.08);
}
else if(previewWidth > CONSTANTS.RESOLUTION_MEDIUM && previewWidth <= CONSTANTS.RESOLUTION_HIGH)
{
margin = (int) (screenWidth*0.08);
}
return margin;
}
public static int setSelectedResolution(int previewHeight)
{
int selectedResolution = 0;
if(previewHeight <= CONSTANTS.RESOLUTION_LOW)
{
selectedResolution = 0;
}
else if(previewHeight > CONSTANTS.RESOLUTION_LOW && previewHeight <= CONSTANTS.RESOLUTION_MEDIUM)
{
selectedResolution = 1;
}
else if(previewHeight > CONSTANTS.RESOLUTION_MEDIUM && previewHeight <= CONSTANTS.RESOLUTION_HIGH)
{
selectedResolution = 2;
}
return selectedResolution;
}
public static class ResolutionComparator implements Comparator<Camera.Size> {
@Override
public int compare(Camera.Size size1, Camera.Size size2) {
if(size1.height != size2.height)
return size1.height -size2.height;
else
return size1.width - size2.width;
}
}
public static void concatenateMultipleFiles(String inpath, String outpath)
{
File Folder = new File(inpath);
File files[];
files = Folder.listFiles();
if(files.length>0)
{
for(int i = 0;i<files.length; i++){
Reader in = null;
Writer out = null;
try {
in = new FileReader(files[i]);
out = new FileWriter(outpath , true);
in.close();
out.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
public static String getEncodingLibraryPath(Context paramContext)
{
return paramContext.getApplicationInfo().nativeLibraryDir + "/libencoding.so";
}
private static HashMap<String, String> getMetaData()
{
HashMap<String, String> localHashMap = new HashMap<String, String>();
localHashMap.put("creation_time", new SimpleDateFormat("yyyy_MM_dd_HH_mm_ss_SSSZ").format(new Date()));
return localHashMap;
}
public static int getTimeStampInNsFromSampleCounted(int paramInt)
{
return (int)(paramInt / 0.0441D);
}
public static void saveReceivedFrame(SavedFrames frame)
{
File cachePath = new File(frame.getCachePath());
BufferedOutputStream bos;
try {
bos = new BufferedOutputStream(new FileOutputStream(cachePath));
if(bos != null)
{
bos.write(frame.getFrameBytesData());
bos.flush();
bos.close();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
cachePath = null;
} catch (IOException e) {
e.printStackTrace();
cachePath = null;
}
}
public static Toast showToast(Context context, String textMessage, int timeDuration)
{
if (null == context)
{
return null;
}
textMessage = (null == textMessage ? "Oops! " : textMessage.trim());
Toast t = Toast.makeText(context, textMessage, timeDuration);
t.show();
return t;
}
/**
* 公共弹窗
*
* @param context
* :Context 传入当前调用该方法的activity实例
* @param msg
* :String 要显示的显示文字
* @param type
* :int 显示类型1：仅为确定，2：有“确定”、“取消”两个操作
* @param handler
* :Handler 传入的需要回调的handler信息，可作为回调方法是用，msg.what = 1时为操作完成状态符
*/
public static void showDialog(Context context, String title, String content, int type, final Handler handler){
final Dialog dialog = new Dialog(context, R.style.Dialog_loading);
dialog.setCancelable(true);
// 设置像是内容模板
LayoutInflater inflater = LayoutInflater.from(context);
View view = inflater.inflate(R.layout.global_dialog_tpl, null);
Button confirmButton = (Button) view
.findViewById(R.id.setting_account_bind_confirm);// 确认
Button cancelButton = (Button) view
.findViewById(R.id.setting_account_bind_cancel);// 取消
TextView dialogTitle = (TextView) view
.findViewById(R.id.global_dialog_title);// 标题
View line_hori_center = view.findViewById(R.id.line_hori_center);// 中竖线
confirmButton.setVisibility(View.GONE);// 默认隐藏取消按钮
line_hori_center.setVisibility(View.GONE);
TextView textView = (TextView) view.findViewById(R.id.setting_account_bind_text);
// 设置对话框的宽度
Window dialogWindow = dialog.getWindow();
WindowManager.LayoutParams lp = dialogWindow.getAttributes();
lp.width = (int) (context.getResources().getDisplayMetrics().density*288);
dialogWindow.setAttributes(lp);
// 设置显示类型
if(type != 1 && type != 2){
type = 1;
}
dialogTitle.setText(title);// 设置标题
textView.setText(content); // 设置提示内容
// 确认按钮操作
if(type == 1 || type == 2){
confirmButton.setVisibility(View.VISIBLE);
confirmButton.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v){
if(handler != null){
Message msg = handler.obtainMessage();
msg.what = 1;
handler.sendMessage(msg);
}
dialog.dismiss();
}
});
}
// 取消按钮事件
if(type == 2){
cancelButton.setVisibility(View.VISIBLE);
line_hori_center.setVisibility(View.VISIBLE);
cancelButton.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v){
if(handler != null){
Message msg = handler.obtainMessage();
msg.what = 0;
handler.sendMessage(msg);
}
dialog.dismiss();
}
});
}
dialog.addContentView(view, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
dialog.setCancelable(true);// 点击返回键关闭
dialog.setCanceledOnTouchOutside(true);// 点击外部关闭
dialog.show();
}
public IplImage getFrame(String filePath){
CvCapture capture = cvCreateFileCapture(filePath);
IplImage image = cvQueryFrame(capture);
return image;
}
}
