From 35b0088fa28dab8a28758dcbcc056620c1ea5e2c Mon Sep 17 00:00:00 2001
From: puzhibing <393733352@qq.com>
Date: 星期五, 30 五月 2025 11:02:35 +0800
Subject: [PATCH] 修改公交公司的事件订阅功能
---
ruoyi-modules/ruoyi-system/src/main/java/com/ruoyi/system/util/JavaCVStreamUtil.java | 53 ++++++++++++++++++++++++++---------------------------
1 files changed, 26 insertions(+), 27 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 ea4a44c..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
@@ -2,14 +2,11 @@
import cn.hutool.core.io.FileUtil;
import com.ruoyi.common.core.utils.StringUtils;
-import com.ruoyi.system.service.ICarService;
import org.bytedeco.ffmpeg.global.avcodec;
import org.bytedeco.ffmpeg.global.avutil;
import org.bytedeco.javacv.*;
-import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
-import javax.annotation.Resource;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
@@ -31,19 +28,21 @@
private static Map<Integer, Boolean> statusMap = new ConcurrentHashMap<>();
- @Resource
- private RedisTemplate redisTemplate;
- @Resource
- private ICarService carService;
+ 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;
+// OpenCVFrameGrabber grabber = null;
+ FFmpegFrameGrabber grabber = null;
FFmpegFrameRecorder recorder = null;
try {
//关闭上一个没有正确关闭的流
@@ -54,7 +53,6 @@
OpenCVFrameGrabber openCVFrameGrabber = grabberMap1.get(deviceNumber);
if (null != openCVFrameGrabber) {
openCVFrameGrabber.close();
- ;
}
FFmpegFrameRecorder fFmpegFrameRecorder = frameRecorderMap.get(deviceNumber);
if (null != fFmpegFrameRecorder) {
@@ -66,36 +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();
@@ -190,7 +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());
@@ -237,14 +233,17 @@
try {
fFmpegFrameGrabber = grabberMap.get(deviceNumber);
if (null != fFmpegFrameGrabber) {
+ fFmpegFrameGrabber.flush();
fFmpegFrameGrabber.close();
}
openCVFrameGrabber = grabberMap1.get(deviceNumber);
if (null != openCVFrameGrabber) {
+ openCVFrameGrabber.flush();
openCVFrameGrabber.close();
}
fFmpegFrameRecorder = frameRecorderMap.get(deviceNumber);
if (null != fFmpegFrameRecorder) {
+ fFmpegFrameRecorder.flush();
fFmpegFrameRecorder.close();
}
} catch (Exception e) {
--
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