From 7690c679d59cf806fb9fa972f824ee657d0a0643 Mon Sep 17 00:00:00 2001
From: lipengjava <lipbb@qq.com>
Date: Tue, 8 Aug 2017 09:15:53 +0800
Subject: [PATCH] first commit
---
.gitignore | 1 +
README.md | 9 +++++++++
pom.xml | 90 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
src/main/java/MyApplication.java | 27 +++++++++++++++++++++++++++
src/main/java/com/sanmang/service/VideoService.java | 33 +++++++++++++++++++++++++++++++++
src/main/java/com/sanmang/util/MyVideoUtils.java | 224 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
src/main/resources/log4j.properties | 12 ++++++++++++
src/main/resources/video-config.properties | 16 ++++++++++++++++
src/test/java/VideoTest.java | 20 ++++++++++++++++++++
video.iml | 21 +++++++++++++++++++++
10 files changed, 453 insertions(+), 0 deletions(-)
create mode 100644 .gitignore
create mode 100644 README.md
create mode 100644 pom.xml
create mode 100644 src/main/java/MyApplication.java
create mode 100644 src/main/java/com/sanmang/service/VideoService.java
create mode 100644 src/main/java/com/sanmang/util/MyVideoUtils.java
create mode 100644 src/main/resources/log4j.properties
create mode 100644 src/main/resources/video-config.properties
create mode 100644 src/test/java/VideoTest.java
create mode 100644 video.iml
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2f7896d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+target/
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..2e63c91
--- /dev/null
+++ b/README.md
@@ -0,0 +1,9 @@
+## 视频截图
+---
+
+1. 基本功能：
+ * 生成首帧图片
+ * 每隔 n 秒生成一张截图，并将所有截图合并为一张大图，同时生成访问各图片的 css
+ * 转 HLS （未测试）
+2. 实现方式：
+ * 使用 ffmpeg
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..72a9f45
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <groupId>com.sanmang</groupId>
+ <artifactId>video</artifactId>
+ <version>1.0.0</version>
+
+ <packaging>jar</packaging>
+
+
+ <properties>
+ <!--打包时编码-->
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+ <!--编译时编码-->
+ <maven.compiler.encoding>UTF-8</maven.compiler.encoding>
+ <!--编译级别-->
+ <maven.compiler.source>1.7</maven.compiler.source>
+ <maven.compiler.target>1.7</maven.compiler.target>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.slf4j</groupId>
+ <artifactId>slf4j-log4j12</artifactId>
+ <version>1.7.21</version>
+ </dependency>
+ <dependency>
+ <groupId>log4j</groupId>
+ <artifactId>log4j</artifactId>
+ <version>1.2.17</version>
+ </dependency>
+ <dependency>
+ <groupId>com.alibaba</groupId>
+ <artifactId>fastjson</artifactId>
+ <version>1.2.22</version>
+ </dependency>
+
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <version>4.12</version>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-jar-plugin</artifactId>
+ <version>2.4</version>
+ <configuration>
+ <archive>
+ <manifest>
+ <!-- 指定Main方法入口的class -->
+ <mainClass>MyApplication</mainClass>
+ <!-- 在jar包的MANIFEST.MF文件中生成Class-Path属性 -->
+ <addClasspath>true</addClasspath>
+ <!-- Class-Path 前缀 -->
+ <classpathPrefix>lib/</classpathPrefix>
+ </manifest>
+ </archive>
+ </configuration>
+ </plugin>
+ <!-- 复制jar包到lib目录 -->
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-dependency-plugin</artifactId>
+ <executions>
+ <execution>
+ <id>copy</id>
+ <phase>package</phase>
+ <goals>
+ <goal>copy-dependencies</goal>
+ </goals>
+ <configuration>
+ <outputDirectory>
+ ${project.build.directory}/lib
+ </outputDirectory>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
\ No newline at end of file
diff --git a/src/main/java/MyApplication.java b/src/main/java/MyApplication.java
new file mode 100644
index 0000000..a96d9c5
--- /dev/null
+++ b/src/main/java/MyApplication.java
@@ -0,0 +1,27 @@
+import com.sanmang.service.VideoService;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+public class MyApplication {
+ public static void main(String[] args) {
+ if (args.length > 0) {
+ String src = args[0];
+ Path path = Paths.get(src);
+ if (Files.exists(path) || Files.isDirectory(path)) {
+ try {
+ VideoService service = new VideoService();
+ service.allInDir(src);
+ } catch (InterruptedException | IOException e) {
+ e.printStackTrace();
+ }
+ } else {
+ System.out.println("Directory not found.");
+ }
+ } else {
+ System.out.println("Usage: java -jar video.jar yourVideoDir");
+ }
+ }
+}
diff --git a/src/main/java/com/sanmang/service/VideoService.java b/src/main/java/com/sanmang/service/VideoService.java
new file mode 100644
index 0000000..7f74765
--- /dev/null
+++ b/src/main/java/com/sanmang/service/VideoService.java
@@ -0,0 +1,33 @@
+package com.sanmang.service;
+
+import com.sanmang.util.MyVideoUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.FilenameFilter;
+import java.io.IOException;
+
+/**
+ * 视频处理功能
+ */
+public class VideoService {
+ private Logger logger = LoggerFactory.getLogger(VideoService.class);
+
+ public void allInDir(String dir) throws IOException, InterruptedException {
+ File file = new File(dir);
+ String[] list = file.list(new FilenameFilter() {
+ @Override
+ public boolean accept(File dir, String name) {
+ return name.endsWith(".mp4") || name.endsWith(".flv");
+ }
+ });
+ if (list == null)
+ return;
+ for (String fileName : list) {
+ logger.info("processing file: {}", fileName);
+// MyVideoUtils.toHLS(dir, fileName);
+ MyVideoUtils.snapshot(dir, fileName);
+ }
+ }
+}
diff --git a/src/main/java/com/sanmang/util/MyVideoUtils.java b/src/main/java/com/sanmang/util/MyVideoUtils.java
new file mode 100644
index 0000000..5c70431
--- /dev/null
+++ b/src/main/java/com/sanmang/util/MyVideoUtils.java
@@ -0,0 +1,224 @@
+package com.sanmang.util;
+
+import com.alibaba.fastjson.JSON;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.imageio.ImageIO;
+import java.awt.image.BufferedImage;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.PropertyResourceBundle;
+import java.util.ResourceBundle;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * 视频工具
+ */
+public class MyVideoUtils {
+ private static final Logger logger = LoggerFactory.getLogger(MyVideoUtils.class);
+ /**
+ * 小截图的宽
+ */
+ private static int width = 100;
+ /**
+ * 小截图的高
+ */
+ private static int height = 56;
+ /**
+ * 小截图的间隔，秒
+ */
+ private static int DELTA = 6;
+
+ private static String ffmpegPath;
+ /**
+ * 封面宽高
+ */
+ private static String coverSize = "400x225";
+
+ /**
+ * HLS 视频每段的时长
+ */
+ private static String segmentTime = "10";
+
+ static {
+ ResourceBundle bundle = PropertyResourceBundle.getBundle("video-config");
+ ffmpegPath = bundle.getString("ffmpeg.path");
+ width = Integer.parseInt(bundle.getString("snapshot.width"));
+ height = Integer.parseInt(bundle.getString("snapshot.height"));
+ DELTA = Integer.parseInt(bundle.getString("snapshot.interval"));
+ coverSize = bundle.getString("cover.size");
+ segmentTime = bundle.getString("hls.segment.time");
+ }
+
+ /**
+ * 将视频转为 HLS 格式 (m3u8)
+ * @param dir 放视频的路径
+ * @param videoFileName 视频文件名称（不包含路径）
+ * @throws IOException IOException
+ */
+ public static void toHLS(String dir, String videoFileName) throws IOException {
+ String prefix = getFilePrefix(videoFileName);
+ Path path = Paths.get(dir, prefix);
+ Files.createDirectories(path);
+
+ logger.info("convert video to HLS format.");
+ ProcessBuilder builder = new ProcessBuilder(ffmpegPath, "-y",
+ "-i", Paths.get(dir, videoFileName).toString(),
+ "-codec:v", "libx264", "-codec:a", "mp3", "-map", "0",
+ "-f", "ssegment", "-segment_format", "mpegts",
+ "-segment_list", path.resolve(prefix + ".m3u8").toString(),
+ "-segment_time", segmentTime,
+ path.resolve(prefix + ".%03d.ts").toString());
+
+ builder.redirectErrorStream(true);
+
+ Process process = builder.start();
+ try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream(), "utf-8"))) {
+ String line;
+ while ((line = reader.readLine()) != null) {
+ logger.debug(line);
+ }
+ }
+ }
+
+ /**
+ * 首帧截图。每隔6帧截图合并一张图，并生成对应的css
+ */
+ public static Map<String, Object> snapshot(String dir, String videoFileName) throws IOException, InterruptedException {
+ Map<String, Object> map = new HashMap<>();
+
+ String prefix = getFilePrefix(videoFileName);
+ Path path = Paths.get(dir, prefix);
+ Files.createDirectories(path);
+
+ generateCover(dir, videoFileName, map);
+
+ generateMoreImageAndCSS(dir, videoFileName, map);
+
+ Path jsonPath = path.resolve(prefix + ".json");
+ Files.write(jsonPath, JSON.toJSONBytes(map));
+
+ return map;
+ }
+
+ /**
+ * 每隔 DELTA 秒截一张图，合并为一张图，同时生成对应的 css 文件
+ */
+ private static void generateMoreImageAndCSS(String dir, String fileName, Map<String, Object> map) throws IOException, InterruptedException {
+ String prefix = getFilePrefix(fileName);
+ Path path = Paths.get(dir, prefix);
+ Files.createDirectories(path);
+
+ String cssFileName = prefix + ".css";
+ String combineImageName = prefix + ".combine.jpg";
+ String combineImagePath = path.resolve(combineImageName).toString();
+ int seconds = (Integer) map.get("seconds");
+ logger.info("generate images & css");
+ StringBuilder cssBuilder = new StringBuilder();
+ cssBuilder.append(".icon {display: inline-block; ")
+ .append("width: ").append(width).append("px; height: ").append(height).append("px; ")
+ .append("background-image: url(").append(combineImageName).append(");}\n");
+
+ int numIcons = (seconds - 1) / DELTA + 1;
+ map.put("numIcons", numIcons);
+ int countPerRow = 20;
+ BufferedImage combine = new BufferedImage(width * countPerRow,
+ (int) (height * Math.ceil(1.0 * numIcons / countPerRow)),
+ BufferedImage.TYPE_INT_RGB);
+
+ for (int i = 0; i < numIcons; i++) {
+ logger.info("image: {}/{}", i + 1, numIcons);
+ String imgFilePath = path.resolve(prefix + "." + i + ".jpg").toString();
+
+ // 截图
+ ProcessBuilder builder = new ProcessBuilder(ffmpegPath, "-ss", "" + (i * DELTA),
+ "-i", Paths.get(dir, fileName).toString(),
+ "-f", "image2", "-s", width + "x" + height,
+ "-t", "0.001", "-y", imgFilePath);
+ builder.redirectErrorStream(true);
+
+ Process process = builder.start();
+ try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream(), "utf-8"))) {
+ String line;
+ while ((line = reader.readLine()) != null) {
+ logger.debug(line);
+ }
+ }
+ process.waitFor(); // 保证图片已经生成才能进行后续的合并图片。会增加执行时间
+
+ // 合并到总图片中
+ File imageFile = new File(imgFilePath);
+ BufferedImage image = ImageIO.read(imageFile);
+ int x = width * (i % countPerRow);
+ int y = height * (i / countPerRow);
+ combine.getGraphics().drawImage(image, x, y, null);
+
+ // css
+ cssBuilder.append(".icon-").append(i).append("{background-position: ").append(-x).append("px ")
+ .append(-y).append("px;}\n");
+
+ // delete temp image
+ Files.delete(Paths.get(imgFilePath));
+ }
+
+ // 保存合并后的图片
+ logger.info("save combine image: {}", combineImageName);
+ ImageIO.write(combine, "JPG", new File(combineImagePath));
+
+
+ // 保存 css
+ logger.info("generate css: {}", cssFileName);
+ Files.write(path.resolve(cssFileName), cssBuilder.toString().getBytes("utf-8"));
+
+ map.put("css", cssFileName);
+ map.put("combine", combineImageName);
+ }
+
+ private static String getFilePrefix(String fileName) {
+ return fileName.substring(0, fileName.lastIndexOf("."));
+ }
+
+ /**
+ * 第一页截图，以及得到总时长
+ */
+ private static void generateCover(String dir, String fileName, Map<String, Object> map) throws IOException {
+ String prefix = getFilePrefix(fileName);
+ String imageName = prefix + ".jpg";
+ Path path = Paths.get(dir, prefix);
+ Files.createDirectories(path);
+ String imageFullPath = path.resolve(imageName).toString();
+
+ ProcessBuilder builder = new ProcessBuilder(ffmpegPath, "-y",
+ "-i", Paths.get(dir, fileName).toString(),
+ "-f", "image2", "-s", coverSize,
+ "-t", "0.001", imageFullPath);
+ builder.redirectErrorStream(true);
+ logger.info("generate cover: {}", imageName);
+ Process process = builder.start();
+ try (BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream(), "utf-8"))) {
+ String line;
+ Pattern pattern = Pattern.compile("\\s+Duration: (.+?),.+");
+ while ((line = reader.readLine()) != null) {
+ Matcher matcher = pattern.matcher(line);
+ if (matcher.matches()) {
+ String timeStr = matcher.group(1);
+ map.put("duration", timeStr);
+ String[] split = timeStr.split(":|\\.");
+ int seconds = Integer.parseInt(split[0]) * 60 * 60
+ + Integer.parseInt(split[1]) * 60
+ + Integer.parseInt(split[2]);
+ map.put("seconds", seconds);
+ }
+ }
+ }
+ }
+}
diff --git a/src/main/resources/log4j.properties b/src/main/resources/log4j.properties
new file mode 100644
index 0000000..538578a
--- /dev/null
+++ b/src/main/resources/log4j.properties
@@ -0,0 +1,12 @@
+log4j.rootLogger=INFO,file,stdout
+log4j.appender.stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.Target=System.out
+log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n
+log4j.appender.file=org.apache.log4j.DailyRollingFileAppender
+log4j.appender.file.layout.ConversionPattern=%d{MM-dd HH\:mm\:ss.SSS} %-4r %-5p [%t] %37c %3x - %m%n
+log4j.appender.file.File=${catalina.home}/logs/video.log
+log4j.appender.file.DatePattern='.'yyyy-MM-dd
+log4j.appender.file.Append=false
+log4j.appender.file.Threshold=INFO
+log4j.appender.file.layout=org.apache.log4j.PatternLayout
\ No newline at end of file
diff --git a/src/main/resources/video-config.properties b/src/main/resources/video-config.properties
new file mode 100644
index 0000000..c8870ac
--- /dev/null
+++ b/src/main/resources/video-config.properties
@@ -0,0 +1,16 @@
+# ffmpeg ��ַ
+ffmpeg.path=D:/tools/ffmpeg.exe
+
+# ת HLS
+# ��Ƭʱ������λ��
+hls.segment.time=30
+
+# ��ͼ��ѩ��ͼ��ز�����
+# ʱ��������λ��
+snapshot.interval=6
+# ��ͼ����
+snapshot.width=100
+snapshot.height=56
+
+# ���棨��һ֡��ͼ���Ŀ���
+cover.size=400x225
diff --git a/src/test/java/VideoTest.java b/src/test/java/VideoTest.java
new file mode 100644
index 0000000..ff4936d
--- /dev/null
+++ b/src/test/java/VideoTest.java
@@ -0,0 +1,20 @@
+import com.sanmang.service.VideoService;
+import org.junit.Test;
+
+import java.io.IOException;
+
+/**
+ * video
+ */
+public class VideoTest {
+ @Test
+ public void allInDir() {
+// VideoService service = new VideoService();
+// String dir = "D:/1/1.mp4";
+// try {
+// service.allInDir(dir);
+// } catch (IOException | InterruptedException e) {
+// e.printStackTrace();
+// }
+ }
+}
diff --git a/video.iml b/video.iml
new file mode 100644
index 0000000..217202b
--- /dev/null
+++ b/video.iml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
+ <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="false">
+ <output url="file://$MODULE_DIR$/target/classes" />
+ <output-test url="file://$MODULE_DIR$/target/test-classes" />
+ <content url="file://$MODULE_DIR$">
+ <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+ <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
+ <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
+ <excludeFolder url="file://$MODULE_DIR$/target" />
+ </content>
+ <orderEntry type="jdk" jdkName="1.7" jdkType="JavaSDK" />
+ <orderEntry type="sourceFolder" forTests="false" />
+ <orderEntry type="library" name="Maven: org.slf4j:slf4j-log4j12:1.7.21" level="project" />
+ <orderEntry type="library" name="Maven: org.slf4j:slf4j-api:1.7.21" level="project" />
+ <orderEntry type="library" name="Maven: log4j:log4j:1.2.17" level="project" />
+ <orderEntry type="library" name="Maven: com.alibaba:fastjson:1.2.22" level="project" />
+ <orderEntry type="library" scope="TEST" name="Maven: junit:junit:4.12" level="project" />
+ <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />
+ </component>
+</module>
\ No newline at end of file
--
libgit2 0.24.0