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This commit is contained in:
959814898@qq.com
2023-07-22 22:35:18 +08:00
parent f978245495
commit ec6035d80f
35 changed files with 1076 additions and 202 deletions
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javacv/pom.xml
+13 -4
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@@ -19,10 +19,19 @@
<dependencies>
<dependency>
<groupId>org.opencv</groupId>
<artifactId>opencv</artifactId>
<version>470</version>
<scope>system</scope>
<systemPath>${project.basedir}/src/main/resources/opencv-470.jar</systemPath>
<artifactId>opencv-480</artifactId>
<version>1.0.0</version>
</dependency>
<!--JAVA使用javacv实现图片合成短视频，相关JAR包-->
<dependency>
<groupId>org.bytedeco</groupId>
<artifactId>javacv</artifactId>
<version>1.5.9</version>
</dependency>
<dependency>
<groupId>org.bytedeco</groupId>
<artifactId>javacv-platform</artifactId>
<version>1.5.9</version>
</dependency>
</dependencies>
</project>
javacv/src/main/java/com/wyl/javacv/DemoApplicationTests.java
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@@ -1,49 +1,50 @@
package com.wyl.javacv;
import org.opencv.core.CvType;
import org.opencv.core.Mat;
import org.opencv.core.MatOfByte;
import org.opencv.highgui.HighGui;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.imgproc.Imgproc;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.URL;
public class DemoApplicationTests {
/**
* @return
* @Description
* @Param
* @Author zhangsan
* @Date 2020.09.05 9:43
**/
public static void main(String[] args) throws Exception {
// 解决awt报错问题
// 加载动态库
URL url = ClassLoader.getSystemResource("opencv_java470.dll");
System.load(url.getPath());
// 读取图像
// Mat image = Imgcodecs.imread("D:\\1.jpg");
File file = new File("D:/1.jpg");
InputStream fos = new FileInputStream(file);
Mat image = Imgcodecs.imdecode(new MatOfByte(fos.readAllBytes()), Imgcodecs.IMREAD_COLOR);
if (image.empty()) {
throw new Exception("image is empty");
}
HighGui.imshow("Original Image", image);
// 创建输出单通道图像
Mat grayImage = new Mat(image.rows(), image.cols(), CvType.CV_8SC1);
// 进行图像色彩空间转换
Imgproc.cvtColor(image, grayImage, Imgproc.COLOR_RGB2GRAY);
HighGui.imshow("Processed Image", grayImage);
Imgcodecs.imwrite("D:/hello.jpg", grayImage);
HighGui.waitKey();
}
}
//package com.wyl.javacv;
//
//
//import org.opencv.core.CvType;
//import org.opencv.core.Mat;
//import org.opencv.core.MatOfByte;
//import org.opencv.highgui.HighGui;
//import org.opencv.imgcodecs.Imgcodecs;
//import org.opencv.imgproc.Imgproc;
//import org.opencv.videoio.VideoWriter;
//
//import java.io.File;
//import java.io.FileInputStream;
//import java.io.InputStream;
//import java.net.URL;
//
//
//public class DemoApplicationTests {
// /**
// * @return
// * @Description
// * @Param
// * @Author zhangsan
// * @Date 2020.09.05 9:43
// **/
// public static void main(String[] args) throws Exception {
// // 解决awt报错问题
// // 加载动态库
// URL url = ClassLoader.getSystemResource("opencv_java480.dll");
// System.load(url.getPath());
// // 读取图像
//// Mat image = Imgcodecs.imread("D:\\1.jpg");
// File file = new File("C:\\Users\\95981\\Desktop\\Mattingfailure.jpg");
// InputStream fos = new FileInputStream(file);
// Mat image = Imgcodecs.imdecode(new MatOfByte(fos.readAllBytes()), Imgcodecs.IMREAD_COLOR);
// if (image.empty()) {
// throw new Exception("image is empty");
// }
// HighGui.imshow("Original Image", image);
//
// // 创建输出单通道图像
// Mat grayImage = new Mat(image.rows(), image.cols(), CvType.CV_8SC1);
// // 进行图像色彩空间转换
// Imgproc.cvtColor(image, grayImage, Imgproc.COLOR_RGB2GRAY);
//
// HighGui.imshow("Processed Image", grayImage);
// Imgcodecs.imwrite("D:/hello.jpg", grayImage);
// HighGui.waitKey();
// }
//}
javacv/src/main/java/com/wyl/javacv/ImageToVideoConverter.java
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@@ -0,0 +1,58 @@
package com.wyl.javacv;
import org.opencv.core.Mat;
import org.opencv.core.MatOfByte;
import org.opencv.core.Size;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.videoio.VideoWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
public class ImageToVideoConverter {
public static void main(String[] args) throws IOException {
URL url = ClassLoader.getSystemResource("opencv_java480.dll");
System.load(url.getPath());
String imageFolderPath = "C:\\Users\\95981\\Desktop\\picture"; // 你的图片文件夹路径
String outputVideoPath = "C:\\Users\\95981\\Desktop\\vidoe\\video14.mp4"; // 输出视频文件路径
try {
Size frameSize = new Size(910, 910); // 设置视频帧的大小（根据你的图片大小进行调整）
int fps = 15; // 视频帧率
int x = VideoWriter.fourcc('D', 'I', 'V', 'X');
VideoWriter videoWriter = new VideoWriter(outputVideoPath, x, fps, frameSize, true);
// 获取图片文件列表
File imageFolder = new File(imageFolderPath);
File[] imageFiles = imageFolder.listFiles();
if (imageFiles != null) {
for (File imageFile : imageFiles) {
if (imageFile.isFile()) {
// Mat image = Imgcodecs.imread(imageFile.getAbsolutePath());
InputStream fos = new FileInputStream(imageFile);
Mat image = Imgcodecs.imdecode(new MatOfByte(fos.readAllBytes()), Imgcodecs.IMREAD_COLOR);
if (!image.empty()) {
// 调整图片大小，以适应视频帧大小（可选，如果图片与视频帧大小相同，可省略）
// Imgproc.resize(image, image, frameSize);
videoWriter.write(image);
image.release();
}
}
}
videoWriter.release(); // 释放VideoWriter资源
System.out.println("Video created successfully!");
} else {
System.out.println("No image files found in the folder.");
}
} catch (Exception e) {
File file = new File(outputVideoPath);
file.deleteOnExit();
}
}
}
javacv/src/main/java/com/wyl/javacv/JavaCvTest.java
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package com.wyl.javacv;
import org.bytedeco.ffmpeg.global.avcodec;
import org.bytedeco.ffmpeg.global.avutil;
import org.bytedeco.javacv.FFmpegFrameRecorder;
import org.bytedeco.javacv.FrameRecorder;
import org.bytedeco.javacv.Java2DFrameConverter;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
public class JavaCvTest {
public static void main(String[] args) throws Exception {
//合成的MP4 存放的地址路径 这里的路径并不会自动创建,需要手动提前创建好,否则会报错:Could not open 'null'
String mp4SavePath = "C:\\Users\\95981\\Desktop\\vidoe\\img2.mp4";
//图片存放的地址路径
String img = "C:\\Users\\95981\\Desktop\\picture";
int width = 910;
int height = 910;
//读取所有图片
File file = new File(img);
File[] files = file.listFiles();
Map<Integer, File> imgMap = new HashMap<Integer, File>();
int num = 0;
for (File imgFile : files) {
imgMap.put(num, imgFile);
num++;
}
createMp4(mp4SavePath, imgMap, width, height);
}
private static void createMp4(String mp4SavePath, Map<Integer, File> imgMap, int width, int height) throws FrameRecorder.Exception {
//视频宽高最好是按照常见的视频的宽高 16：9 或者 9：16
FFmpegFrameRecorder recorder = new FFmpegFrameRecorder(mp4SavePath, width, height);
int bitrate = 1000000;
//设置视频编码层模式 import org.bytedeco.ffmpeg.global.avcodec;可能需要手动复制添加
recorder.setVideoCodec(avcodec.AV_CODEC_ID_H264);
//设置视频为25帧每秒
recorder.setFrameRate(15);
//设置视频图像数据格式 import org.bytedeco.ffmpeg.global.avutil;可能需要手动复制添加
recorder.setPixelFormat(avutil.AV_PIX_FMT_YUV420P);
recorder.setVideoBitrate(bitrate);
recorder.setFormat("mp4");
try {
recorder.start();
Java2DFrameConverter converter = new Java2DFrameConverter();
//录制一个22秒的视频,22秒为自定义的一个视频时间长度,图片少则在22秒内,多则到22秒停止
imgMap.entrySet().stream().forEach(e -> {
BufferedImage read = null;
try {
read = ImageIO.read(e.getValue());
} catch (IOException ioException) {
ioException.printStackTrace();
}
try {
recorder.record(converter.getFrame(read));
} catch (FrameRecorder.Exception exception) {
exception.printStackTrace();
}
});
} catch (Exception e) {
e.printStackTrace();
} finally {
//最后一定要结束并释放资源
recorder.stop();
recorder.release();
}
}
}
javacv/src/main/resources/opencv_java470.dll
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javacv/src/main/resources/opencv_java480.dll
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