From 068fc7f2e81178e55fa191a13709af64b1a163f6 Mon Sep 17 00:00:00 2001
From: EricsHu <hrr145632>
Date: 星期一, 05 十二月 2022 14:27:43 +0800
Subject: [PATCH] 处理编码
---
src/main/java/com/qxueyou/scc/teach/live/utils/FfmpegMediaHelper.java | 176 +++++++++++++++++++++++++++++-----------------------------
1 files changed, 88 insertions(+), 88 deletions(-)
diff --git a/src/main/java/com/qxueyou/scc/teach/live/utils/FfmpegMediaHelper.java b/src/main/java/com/qxueyou/scc/teach/live/utils/FfmpegMediaHelper.java
index e5ec4f6..040a31e 100644
--- a/src/main/java/com/qxueyou/scc/teach/live/utils/FfmpegMediaHelper.java
+++ b/src/main/java/com/qxueyou/scc/teach/live/utils/FfmpegMediaHelper.java
@@ -16,44 +16,44 @@
import com.qxueyou.scc.teach.live.utils.FfmpegVideoInfo;
/**
- * 视频转码类
+ * 瑙嗛杞爜绫�
* @author cyq
*
*/
public class FfmpegMediaHelper {
/**
- * 实例化log
+ * 瀹炰緥鍖杔og
*/
private static final Logger log = LogManager.getLogger(FfmpegMediaHelper.class);
/**
- * 高清码率
+ * 楂樻竻鐮佺巼
*/
private static int bitRateHd = 800 * 1024;
/**
- * 标清码率
+ * 鏍囨竻鐮佺巼
*/
private static int bitRateSd = 400 * 1024;
/**
- * 低清码率
+ * 浣庢竻鐮佺巼
*/
private static int bitRateLd = 200 * 1024;
/**
- * 转mp4的固定命令
+ * 杞琺p4鐨勫浐瀹氬懡浠�
*/
private static List<String> commandMp4 = new ArrayList<String>(10);
/**
- * 转m3u8的固定命令
+ * 杞琺3u8鐨勫浐瀹氬懡浠�
*/
private static String commandM3u8;
/**
- * 是否为视频
+ * 鏄惁涓鸿棰�
*/
private static Boolean videoFlag = false;
/**
- * 转mp4
+ * 杞琺p4
* @param fileVO
* @param videoInfo
* @return
@@ -63,12 +63,12 @@
return false;
}
try {
- System.out.println("FfmpegMediaHelper--转码mp4中...");
+ System.out.println("FfmpegMediaHelper--杞爜mp4涓�...");
commandMp4.clear();
commandMp4.add("ffmpeg");
commandMp4.add("-i");
commandMp4.add(fileVO.getInputPath());
- commandMp4.add("-ab"); // 设置音频码率
+ commandMp4.add("-ab"); // 璁剧疆闊抽鐮佺巼
commandMp4.add("128*1024");
commandMp4.add("-r");
commandMp4.add("23");
@@ -83,16 +83,16 @@
} else {
convertMp4Ld(fileVO, videoInfo);
}
- System.out.println("FfmpegMediaHelper--转码mp4完成...");
+ System.out.println("FfmpegMediaHelper--杞爜mp4瀹屾垚...");
return true;
} catch (Exception e) {
- System.out.println("FfmpegMediaHelper--转码mp4异常...");
- log.error("转码mp4异常:" + e.getMessage());
+ System.out.println("FfmpegMediaHelper--杞爜mp4寮傚父...");
+ log.error("杞爜mp4寮傚父:" + e.getMessage());
throw e;
}
}
/**
- * 转m3u8
+ * 杞琺3u8
* @param fileVO
* @param videoInfo
* @return
@@ -102,7 +102,7 @@
return false;
}
try {
- System.out.println("FfmpegMediaHelper--转码m3h8中...");
+ System.out.println("FfmpegMediaHelper--杞爜m3h8涓�...");
commandM3u8 = "ffmpeg -i " + fileVO.getInputPath() + " -strict -2 -c:v libx264 -c:a aac -f hls -hls_time 10 -hls_list_size 0";
if (videoInfo.getVideoHeight() >= 1000) {
@@ -115,41 +115,41 @@
} else {
convertM3u8Ld(fileVO, videoInfo);
}
- System.out.println("FfmpegMediaHelper--转码m3u8完成...");
+ System.out.println("FfmpegMediaHelper--杞爜m3u8瀹屾垚...");
return true;
} catch (Exception e) {
- System.out.println("FfmpegMediaHelper--转码m3u8异常...");
- log.error("转码m3u8异常:" + e.getMessage());
+ System.out.println("FfmpegMediaHelper--杞爜m3u8寮傚父...");
+ log.error("杞爜m3u8寮傚父:" + e.getMessage());
throw e;
}
}
/**
- * 转高清mp4
+ * 杞珮娓卪p4
*/
private static void convertMp4Hd(FfmpegFileVO fileVO, FfmpegVideoInfo videoInfo) throws Exception {
try {
- String resolution = (int) (1080 * videoInfo.getAspectRatio() / 2) * 2 + "*1080"; // 宽高必须是偶数
+ String resolution = (int) (1080 * videoInfo.getAspectRatio() / 2) * 2 + "*1080"; // 瀹介珮蹇呴』鏄伓鏁�
List<String> command = new ArrayList<String>(commandMp4);
if (videoInfo.getVideoBitRate() == null || videoInfo.getVideoBitRate() > bitRateHd) {
- command.add("-vb"); // 视频码率
+ command.add("-vb"); // 瑙嗛鐮佺巼
command.add(String.valueOf(bitRateHd));
}
- command.add("-s"); // 尺寸（分辨率）
+ command.add("-s"); // 灏哄锛堝垎杈ㄧ巼锛�
command.add(resolution);
command.add(fileVO.getOutputPath() + videoInfo.getUuid() + "mp4-hd.mp4");
convertMp4(command);
- videoInfo.setMp4HdUrl(fileVO.getOutputPath() + videoInfo.getUuid() + "mp4-hd.mp4"); // 转码成功，将路径设置到videoInfo中
+ videoInfo.setMp4HdUrl(fileVO.getOutputPath() + videoInfo.getUuid() + "mp4-hd.mp4"); // 杞爜鎴愬姛锛屽皢璺緞璁剧疆鍒皏ideoInfo涓�
} catch (Exception e) {
throw e;
}
}
/**
- * 转高清m3u8
+ * 杞珮娓卪3u8
*/
private static void convertM3u8Hd(FfmpegFileVO fileVO, FfmpegVideoInfo videoInfo) throws Exception {
try {
- String resolution = (int) (1080 * videoInfo.getAspectRatio() / 2) * 2 + "*1080"; // 宽高必须是偶数
+ String resolution = (int) (1080 * videoInfo.getAspectRatio() / 2) * 2 + "*1080"; // 瀹介珮蹇呴』鏄伓鏁�
StringBuffer commandBuffer = new StringBuffer(commandM3u8);
if (videoInfo.getVideoBitRate() == null || videoInfo.getVideoBitRate() > bitRateHd) {
@@ -166,7 +166,7 @@
}
/**
- * 转标清mp4
+ * 杞爣娓卪p4
*/
private static void convertMp4Sd(FfmpegFileVO fileVO, FfmpegVideoInfo videoInfo) throws Exception {
try {
@@ -186,7 +186,7 @@
}
}
/**
- * 转标清m3u8
+ * 杞爣娓卪3u8
*/
private static void convertM3u8Sd(FfmpegFileVO fileVO, FfmpegVideoInfo videoInfo) throws Exception {
try {
@@ -205,7 +205,7 @@
}
/**
- * 转低清mp4
+ * 杞綆娓卪p4
*/
private static void convertMp4Ld(FfmpegFileVO fileVO, FfmpegVideoInfo videoInfo) throws Exception {
try {
@@ -225,7 +225,7 @@
}
}
/**
- * 转低清m3u8
+ * 杞綆娓卪3u8
*/
private static void convertM3u8Ld(FfmpegFileVO fileVO, FfmpegVideoInfo videoInfo) throws Exception {
try {
@@ -244,7 +244,7 @@
}
/**
- * 获取媒体信息
+ * 鑾峰彇濯掍綋淇℃伅
*
* @param fileVO
* @param videoInfo
@@ -254,19 +254,19 @@
if (!checkfile(fileVO.getInputPath())) {
return false;
}
- BufferedReader buf = null; // 保存ffmpeg的输出结果流
+ BufferedReader buf = null; // 淇濆瓨ffmpeg鐨勮緭鍑虹粨鏋滄祦
String currLine = null;
String line = null;
try {
- log.debug("获取媒体信息...");
+ log.debug("鑾峰彇濯掍綋淇℃伅...");
List<String> command = new ArrayList<String>();
- // ffprobe 命令获取媒体信息
+ // ffprobe 鍛戒护鑾峰彇濯掍綋淇℃伅
command.add("ffprobe");
command.add("-print_format");
- // json格式输出
+ // json鏍煎紡杈撳嚭
command.add("json");
command.add("-show_streams");
@@ -279,11 +279,11 @@
buf = new BufferedReader(new InputStreamReader(p.getInputStream()));
while ((currLine = buf.readLine()) != null) {
- // 处理多余字符
+ // 澶勭悊澶氫綑瀛楃
line = currLine.trim().replaceAll("\"", "").replaceAll(",", "").replace(" ", "");
handleLine(line, videoInfo);
- // 获取文件时长(flv需要这么取)
+ // 鑾峰彇鏂囦欢鏃堕暱(flv闇�瑕佽繖涔堝彇)
if(currLine.trim().startsWith("Duration:") && currLine.contains(",") ){
String strFirst = currLine.trim().split(",")[0].substring(9).trim().substring(0,8);
String[] arrTime = strFirst.split(":");
@@ -293,18 +293,18 @@
Integer iSecond = Integer.parseInt(arrTime[2]);
videoInfo.setPlayTime(iHour * 60 * 60 + iMinute * 60 + iSecond);
- log.debug("视频时长：" + videoInfo.getPlayTime());
+ log.debug("瑙嗛鏃堕暱锛�" + videoInfo.getPlayTime());
}
}
}
- p.waitFor();// 这里线程阻塞，将等待外部转换进程运行成功运行结束后，才往下执行
+ p.waitFor();// 杩欓噷绾跨▼闃诲锛屽皢绛夊緟澶栭儴杞崲杩涚▼杩愯鎴愬姛杩愯缁撴潫鍚庯紝鎵嶅線涓嬫墽琛�
- log.debug("获取媒体信息完成");
+ log.debug("鑾峰彇濯掍綋淇℃伅瀹屾垚");
return true;
} catch (Exception e) {
- log.debug("获取媒体信息异常:" + e.getMessage());
+ log.debug("鑾峰彇濯掍綋淇℃伅寮傚父:" + e.getMessage());
throw e;
}
}
@@ -312,55 +312,55 @@
if (line.contains(":")) {
String[] arr = line.split(":");
if (null != arr && arr.length == 2) {
- // 1. 如果是标志位
+ // 1. 濡傛灉鏄爣蹇椾綅
if ("codec_type".equals(arr[0].trim())) {
- // 视频
+ // 瑙嗛
if ("video".equals(arr[1].trim())) {
videoFlag = true;
}
- // 音频
+ // 闊抽
if ("audio".equals(arr[1].trim())) {
videoFlag = false;
}
}
- // 视频宽度
+ // 瑙嗛瀹藉害
if (videoFlag && "width".equals(arr[0])) {
videoInfo.setVideoWidth(Integer.valueOf(arr[1]));
if (videoInfo.getVideoHeight() != null) {
videoInfo.setAspectRatio((float) (videoInfo.getVideoWidth().floatValue() / videoInfo.getVideoHeight().floatValue()));
- log.debug("计算宽高比：" + videoInfo.getVideoWidth() + "/" + videoInfo.getVideoHeight() + ":" + videoInfo.getAspectRatio());
+ log.debug("璁＄畻瀹介珮姣旓細" + videoInfo.getVideoWidth() + "/" + videoInfo.getVideoHeight() + ":" + videoInfo.getAspectRatio());
}
}
- // 视频高度
+ // 瑙嗛楂樺害
if (videoFlag && "height".equals(arr[0])) {
videoInfo.setVideoHeight(Integer.valueOf(arr[1]));
if (videoInfo.getVideoWidth() != null) {
videoInfo.setAspectRatio((float) (videoInfo.getVideoWidth().floatValue() / videoInfo.getVideoHeight().floatValue()));
- log.debug("计算宽高比：" + videoInfo.getVideoWidth() + "/" + videoInfo.getVideoHeight() + ":" + videoInfo.getAspectRatio());
+ log.debug("璁＄畻瀹介珮姣旓細" + videoInfo.getVideoWidth() + "/" + videoInfo.getVideoHeight() + ":" + videoInfo.getAspectRatio());
}
}
- //获取视屏帧率表达式
+ //鑾峰彇瑙嗗睆甯х巼琛ㄨ揪寮�
if (videoFlag && "avg_frame_rate".equals(arr[0])) {
- log.info("开始计算帧率，"+arr[1]);
+ log.info("寮�濮嬭绠楀抚鐜囷紝"+arr[1]);
if(StringUtils.isNotEmpty(arr[1])){
String [] strFrameArr = arr[1].split("/");
if(strFrameArr!=null && strFrameArr.length==2 && Double.valueOf(strFrameArr[1].trim())>0){
int frameRate = (int) Math.ceil((Double.valueOf(strFrameArr[0].trim())/Double.valueOf(strFrameArr[1].trim())));
videoInfo.setFrameRate(frameRate);
videoInfo.setFrameRateExp(arr[1]);
- log.info("计算帧率：frameRate="+frameRate+" frameRateExp="+arr[1]);
+ log.info("璁＄畻甯х巼锛歠rameRate="+frameRate+" frameRateExp="+arr[1]);
}
}
}
- // 视频码率
+ // 瑙嗛鐮佺巼
if (videoFlag && "bit_rate".equals(arr[0])) {
videoInfo.setVideoBitRate(Integer.valueOf(arr[1]));
- log.debug("视频码率：" + videoInfo.getVideoBitRate());
+ log.debug("瑙嗛鐮佺巼锛�" + videoInfo.getVideoBitRate());
}
- // 文件时长
+ // 鏂囦欢鏃堕暱
if (videoFlag && "duration".equals(arr[0])) {
if (arr[1].contains(".")) {
//videoInfo.setPlayTime(Integer.valueOf(arr[1].indexOf('.')));
@@ -368,7 +368,7 @@
} else {
videoInfo.setPlayTime(Integer.valueOf(arr[1]));
}
- log.debug("视频时长：" + videoInfo.getPlayTime());
+ log.debug("瑙嗛鏃堕暱锛�" + videoInfo.getPlayTime());
}
}
}
@@ -376,7 +376,7 @@
/**
- * 截图
+ * 鎴浘
*
* @param fileVO
* @param outputPath
@@ -388,37 +388,37 @@
}
try {
- log.debug("FfmpegMediaHelper--视频截屏...");
+ log.debug("FfmpegMediaHelper--瑙嗛鎴睆...");
String comm = "ffmpeg -ss 00:00:01 -i " + fileVO.getInputPath() + " -t 0.1 -f mjpeg -y " + fileVO.getOutputPath() + "snapshot.jpg";
Process videoProcess = Runtime.getRuntime().exec(comm);
new PrintStreamThread(videoProcess.getErrorStream()).start();
videoProcess.waitFor();
- log.debug("FfmpegMediaHelper--视频截屏完成");
+ log.debug("FfmpegMediaHelper--瑙嗛鎴睆瀹屾垚");
return true;
} catch (Exception e) {
- log.error("视频截屏异常" + e.getMessage());
+ log.error("瑙嗛鎴睆寮傚父" + e.getMessage());
throw e;
}
}
/**
- * 根据帧率截屏
- * @param fileVO 待截图视频文件信息
- * @param imgPrefixName 截取图片名称的前缀信息
- * @param framePerSecond 每秒图片帧数
- * @param width 截取图片宽度(ps：单位像素点)
- * @param height 截取图片高度(ps：单位像素点)
- * @return 是否截取成功
+ * 鏍规嵁甯х巼鎴睆
+ * @param fileVO 寰呮埅鍥捐棰戞枃浠朵俊鎭�
+ * @param imgPrefixName 鎴彇鍥剧墖鍚嶇О鐨勫墠缂�淇℃伅
+ * @param framePerSecond 姣忕鍥剧墖甯ф暟
+ * @param width 鎴彇鍥剧墖瀹藉害(ps锛氬崟浣嶅儚绱犵偣)
+ * @param height 鎴彇鍥剧墖楂樺害(ps锛氬崟浣嶅儚绱犵偣)
+ * @return 鏄惁鎴彇鎴愬姛
* @throws Exception
*/
/**
*
- * @param fileVO 文件信息
- * @param imgPrefixName 截取图片的前缀信息
- * @param framePerSecond 每秒多少帧
+ * @param fileVO 鏂囦欢淇℃伅
+ * @param imgPrefixName 鎴彇鍥剧墖鐨勫墠缂�淇℃伅
+ * @param framePerSecond 姣忕澶氬皯甯�
* @return
* @throws Exception
*/
@@ -438,13 +438,13 @@
// ffmpeg -ss 00:00:00.000 -i D:/usr/qxueyou/huifang/test.mp4 -f image2 -vf fps=fps=1/5 D:/usr/qxueyou/huifang/pic/new_%d.jpg
String comm = "ffmpeg -ss 00:00:00.000 -i " + fileVO.getInputPath() + " -f image2 -s " + width + "*" + height + " -vf fps=fps=1/"+ framePerSecond +" "+ fileVO.getOutputPath()+"/" + imgPrefixName + "%d.jpg";
- log.info("screenShot命令, "+ comm);
+ log.info("screenShot鍛戒护, "+ comm);
process = Runtime.getRuntime().exec(comm);
new PrintStreamThread(process.getErrorStream()).start();
process.waitFor();
return true;
} catch (Exception e) {
- log.error("视频截屏异常" + e.getMessage());
+ log.error("瑙嗛鎴睆寮傚父" + e.getMessage());
throw e;
}finally {
closeProcess(process);
@@ -461,13 +461,13 @@
Process process = null;
try {
String comm = "ffmpeg -ss "+ statTime + " -t " + duration + " -i "+ fileVO.getInputPath() + " -y -vcodec copy -acodec copy " + fileVO.getOutputPath();
- log.info("dividVideo命令, "+ comm);
+ log.info("dividVideo鍛戒护, "+ comm);
process = Runtime.getRuntime().exec(comm);
new PrintStreamThread(process.getErrorStream()).start();
process.waitFor();
return true;
} catch (Exception e) {
- log.error("切割视频失败" + e.getMessage());
+ log.error("鍒囧壊瑙嗛澶辫触" + e.getMessage());
throw e;
}finally {
closeProcess(process);
@@ -477,7 +477,7 @@
/**
- * 合并视频
+ * 鍚堝苟瑙嗛
*
* @param fileVO
* @return
@@ -489,7 +489,7 @@
}
String comm = "ffmpeg -f concat -safe 0 -i " + fileVO.getInputPath() + " -c copy " + fileVO.getOutputPath();
- log.info("mergeVideo命令, "+ comm);
+ log.info("mergeVideo鍛戒护, "+ comm);
Process videoProcess = Runtime.getRuntime().exec(comm);
new PrintStreamThread(videoProcess.getErrorStream()).start();
@@ -501,7 +501,7 @@
/**
- * 合并视频
+ * 鍚堝苟瑙嗛
*
* @param fileVO
* @return
@@ -544,7 +544,7 @@
public static String converUploadVideoToLiveMp4(FfmpegFileVO fileVO,FfmpegVideoInfo videoInfo) throws Exception{
String outputPath = null;
try {
-// log.info("FfmpegMediaHelper.TransferUploadVideoToWyMp4,直播上传...");
+// log.info("FfmpegMediaHelper.TransferUploadVideoToWyMp4,鐩存挱涓婁紶...");
List<String> command = new ArrayList<String>();
String name = UUIDUtils.generateUUID().replace("-", "");
outputPath = fileVO.getOutputPath() +name + ".mp4";
@@ -567,7 +567,7 @@
}
/**
- * mp4转ts文件
+ * mp4杞瑃s鏂囦欢
* ffmpeg -i 1.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts out1.ts
*
* @param fileVO
@@ -578,7 +578,7 @@
Process process= null;
try {
String comm = "ffmpeg -i " + fileVO.getInputPath() + " -c copy -bsf:v h264_mp4toannexb -y -f mpegts " + fileVO.getOutputPath();
- log.info("mp4toannexb命令, "+ comm);
+ log.info("mp4toannexb鍛戒护, "+ comm);
process = Runtime.getRuntime().exec(comm);
new PrintStreamThread(process.getErrorStream()).start();
process.waitFor();
@@ -605,13 +605,13 @@
process.destroy();
}
} catch (IOException e) {
- log.error("关闭process失败。。", e);
+ log.error("鍏抽棴process澶辫触銆傘��", e);
}
}
/**
- * 关闭进程
+ * 鍏抽棴杩涚▼
*
* @param process
* @return
@@ -625,7 +625,7 @@
}
/**
- * 解析成MP4格式
+ * 瑙ｆ瀽鎴怣P4鏍煎紡
*
* @param oldfilepath
* @return
@@ -653,7 +653,7 @@
}
/**
- * 解析m3u8格式
+ * 瑙ｆ瀽m3u8鏍煎紡
*
* @param oldfilepath
* @return
@@ -684,7 +684,7 @@
}
/**
- * 检查转码输入文件是否存在
+ * 妫�鏌ヨ浆鐮佽緭鍏ユ枃浠舵槸鍚﹀瓨鍦�
* @param path
* @return
*/
@@ -694,18 +694,18 @@
}
}
/**
- * 打印线程
+ * 鎵撳嵃绾跨▼
* @author cyq
*
*/
class PrintStreamThread extends Thread {
/**
- * 输入流
+ * 杈撳叆娴�
*/
java.io.InputStream __is;
/**
- * 构造方法
+ * 鏋勯�犳柟娉�
* @param is
*/
public PrintStreamThread(java.io.InputStream is) {
@@ -713,7 +713,7 @@
}
/**
- * 线程执行方法
+ * 绾跨▼鎵ц鏂规硶
*/
public void run() {
try {
--
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