From 2e1766b31e889d9ee54d433476d031220dfda294 Mon Sep 17 00:00:00 2001
From: Pu Zhibing <393733352@qq.com>
Date: 星期日, 27 四月 2025 17:46:24 +0800
Subject: [PATCH] 处理异常报错
---
ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/util/JavaCVStreamUtil.java | 92 ++++++++++++++++++++++++++--------------------
1 files changed, 52 insertions(+), 40 deletions(-)
diff --git a/ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/util/JavaCVStreamUtil.java b/ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/util/JavaCVStreamUtil.java
index 58728c7..4356127 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/util/JavaCVStreamUtil.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/util/JavaCVStreamUtil.java
@@ -5,6 +5,7 @@
import org.bytedeco.ffmpeg.global.avcodec;
import org.bytedeco.ffmpeg.global.avutil;
import org.bytedeco.javacv.*;
+import org.springframework.stereotype.Component;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
@@ -12,9 +13,11 @@
/**
* 音视频推流拉流工具类
* 参考资料：https://juejin.cn/post/7311230172237561866
+ *
* @author zhibing.pu
* @Date 2025/4/8 16:03
*/
+@Component
public class JavaCVStreamUtil {
private static Map<Integer, FFmpegFrameGrabber> grabberMap = new ConcurrentHashMap<>();
@@ -26,26 +29,33 @@
private static Map<Integer, Boolean> statusMap = new ConcurrentHashMap<>();
+ public static void main(String[] args) {
+ String url = "rtmp://127.0.0.1:1935/flv/test";
+ JavaCVStreamUtil.push_flv("C:\\Users\\39373\\Desktop\\图片\\trailer.mp4", url, 0);
+ }
+
+
+
/**
* 视频拉流和推流
*/
- public static void push_flv(String inputUrl, String outputUrl, Integer deviceNumber){
- OpenCVFrameGrabber grabber = null;
-// FFmpegFrameGrabber grabber = null;
+ public static void push_flv(String inputUrl, String outputUrl, Integer deviceNumber) {
+// OpenCVFrameGrabber grabber = null;
+ FFmpegFrameGrabber grabber = null;
FFmpegFrameRecorder recorder = null;
try {
//关闭上一个没有正确关闭的流
FFmpegFrameGrabber fFmpegFrameGrabber = grabberMap.get(deviceNumber);
- if(null != fFmpegFrameGrabber){
+ if (null != fFmpegFrameGrabber) {
fFmpegFrameGrabber.close();
}
OpenCVFrameGrabber openCVFrameGrabber = grabberMap1.get(deviceNumber);
- if(null != openCVFrameGrabber){
- openCVFrameGrabber.close();;
+ if (null != openCVFrameGrabber) {
+ openCVFrameGrabber.close();
}
FFmpegFrameRecorder fFmpegFrameRecorder = frameRecorderMap.get(deviceNumber);
- if(null != fFmpegFrameRecorder){
+ if (null != fFmpegFrameRecorder) {
fFmpegFrameRecorder.close();
}
@@ -54,36 +64,34 @@
FFmpegLogCallback.set();
//视频抓帧
-// grabber = new FFmpegFrameGrabber(inputUrl);
-// grabber.setOption("rtsp_transport", "tcp");
-// // 正确设置超时时间
-// grabber.setOption("timeout", "120000");
-// grabber.start();
-// grabberMap.put(deviceNumber, grabber);
-
- grabber = new OpenCVFrameGrabber(0);
+ grabber = new FFmpegFrameGrabber(inputUrl);
+ grabber.setVideoCodec(avcodec.AV_CODEC_ID_H264);
grabber.start();
- grabberMap1.put(deviceNumber, grabber);
+ grabberMap.put(deviceNumber, grabber);
+
+// grabber = new OpenCVFrameGrabber(0);
+// grabber.start();
+// grabberMap1.put(deviceNumber, grabber);
//录制视频，推送到流媒体服务器（nginx）
recorder = new FFmpegFrameRecorder(outputUrl, grabber.getImageWidth(), grabber.getImageHeight());
recorder.setFormat("flv");
// 设置视频比特率
recorder.setVideoBitrate(grabber.getVideoBitrate());
-// // 设置帧率
-// recorder.setFrameRate(grabber.getVideoFrameRate());
-// // 设置关键帧间隔
-// recorder.setGopSize((int) grabber.getVideoFrameRate());
+ // 设置帧率
+ recorder.setFrameRate(grabber.getVideoFrameRate());
+ // 设置关键帧间隔
+ recorder.setGopSize((int) grabber.getVideoFrameRate());
// CRF 是一种用于控制视频/音频质量的参数，它允许在保持目标质量的同时动态地调整比特率。较低的CRF值表示更高的质量，但也可能导致较大的文件大小
recorder.setAudioOption("crf", "23");
-
+
//设置音频编码为AAC
if (grabber.getAudioChannels() > 0) {
recorder.setAudioChannels(grabber.getAudioChannels());
recorder.setAudioBitrate(grabber.getAudioBitrate());
- recorder.setAudioCodec(avcodec.AV_CODEC_ID_AAC);
+ recorder.setAudioCodec(grabber.getAudioCodec());
}
- recorder.setVideoCodec(avcodec.AV_CODEC_ID_H264);
+ recorder.setVideoCodec(avcodec.AV_CODEC_ID_FLV1);
//将解码后的帧记录到输出文件中
//recorder.start通常用于处理已经解码成图像的视频数据
recorder.start();
@@ -95,13 +103,13 @@
while ((frame = grabber.grab()) != null) {
recorder.record(frame);
//判断状态为停止，则结束此线程任务
- if(!statusMap.get(deviceNumber)){
+ if (!statusMap.get(deviceNumber)) {
break;
}
}
} catch (FrameGrabber.Exception | FrameRecorder.Exception e) {
e.printStackTrace();
- }finally {
+ } finally {
close(deviceNumber, null);
}
}
@@ -110,7 +118,7 @@
/**
* 视频拉流和推流
*/
- public static void push_hls(String inputUrl, String outputUrl, Integer deviceNumber, String folderPath){
+ public static void push_hls(String inputUrl, String outputUrl, Integer deviceNumber, String folderPath) {
OpenCVFrameGrabber grabber = null;
// FFmpegFrameGrabber grabber = null;
FFmpegFrameRecorder recorder = null;
@@ -118,15 +126,16 @@
try {
//关闭上一个没有正确关闭的流
FFmpegFrameGrabber fFmpegFrameGrabber = grabberMap.get(deviceNumber);
- if(null != fFmpegFrameGrabber){
+ if (null != fFmpegFrameGrabber) {
fFmpegFrameGrabber.close();
}
OpenCVFrameGrabber openCVFrameGrabber = grabberMap1.get(deviceNumber);
- if(null != openCVFrameGrabber){
- openCVFrameGrabber.close();;
+ if (null != openCVFrameGrabber) {
+ openCVFrameGrabber.close();
+ ;
}
FFmpegFrameRecorder fFmpegFrameRecorder = frameRecorderMap.get(deviceNumber);
- if(null != fFmpegFrameRecorder){
+ if (null != fFmpegFrameRecorder) {
fFmpegFrameRecorder.close();
}
@@ -177,7 +186,7 @@
recorder.setAudioCodec(avcodec.AV_CODEC_ID_AAC);
}
- recorder.setVideoCodec(avcodec.AV_CODEC_ID_H264);
+ recorder.setVideoCodec(avcodec.AV_CODEC_ID_FLV1);
//设置音频编码为AAC
if (grabber.getAudioChannels() > 0) {
recorder.setAudioChannels(grabber.getAudioChannels());
@@ -194,13 +203,13 @@
while ((frame = grabber.grab()) != null) {
recorder.record(frame);
//判断状态为停止，则结束此线程任务
- if(!statusMap.get(deviceNumber)){
+ if (!statusMap.get(deviceNumber)) {
break;
}
}
} catch (FrameGrabber.Exception | FrameRecorder.Exception e) {
e.printStackTrace();
- }finally {
+ } finally {
close(deviceNumber, folderPath);
}
}
@@ -208,12 +217,13 @@
/**
* 关闭推流和拉流进程
+ *
* @param deviceNumber
*/
- public static void close(Integer deviceNumber, String folderPath){
+ public static void close(Integer deviceNumber, String folderPath) {
//设置状态为停止
Boolean status = statusMap.get(deviceNumber);
- if(null == status || !status){
+ if (null == status || !status) {
return;
}
statusMap.put(deviceNumber, false);
@@ -222,26 +232,28 @@
FFmpegFrameRecorder fFmpegFrameRecorder = null;
try {
fFmpegFrameGrabber = grabberMap.get(deviceNumber);
- if(null != fFmpegFrameGrabber){
+ if (null != fFmpegFrameGrabber) {
fFmpegFrameGrabber.flush();
fFmpegFrameGrabber.close();
}
openCVFrameGrabber = grabberMap1.get(deviceNumber);
- if(null != openCVFrameGrabber){
+ if (null != openCVFrameGrabber) {
openCVFrameGrabber.flush();
openCVFrameGrabber.close();
}
fFmpegFrameRecorder = frameRecorderMap.get(deviceNumber);
- if(null != fFmpegFrameRecorder){
+ if (null != fFmpegFrameRecorder) {
fFmpegFrameRecorder.flush();
fFmpegFrameRecorder.close();
}
- }catch (Exception e){
+ } catch (Exception e) {
e.printStackTrace();
}
//开始清除视频文件
- if(StringUtils.isNotEmpty(folderPath)){
+ if (StringUtils.isNotEmpty(folderPath)) {
FileUtil.del(folderPath);
}
}
+
+
}
--
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