取图片调整

xiangpei

2024-10-10 cf08958ee2fe86f09df9083a394c68bb459afbc7

取图片调整

 ycl-server/src/main/java/com/ycl/platform/service/impl/WorkOrderServiceImpl.java

@@ -764,56 +764,57 @@

    @Override
    public synchronized String getFrameImgByDevice(String deviceId, String channelId, String workOrderNo) throws Exception {
        String url = String.format(this.rtspServer + "/api/play/start/%s/%s", deviceId, channelId);
        String url = String.format(this.rtspServer + "/api/play/start/img/%s/%s", deviceId, channelId);
        String result = HttpUtils.sendGet(url);
        log.info("拿到取流响应结果：" + result);
        WVPResult wvpResult = JSON.parseObject(result, WVPResult.class);
        String imgUrl = null;
        if (wvpResult.getCode() == 0) {
            JSONObject data = (JSONObject) wvpResult.getData();
            String rtspUrl = data.getString("fmp4"); // 取mp4地址
            if (StringUtils.hasText(rtspUrl)) {
                System.out.println("目标地址：" + rtspUrl);
                FFmpegFrameGrabber grabber = null;
                try {
                    grabber = new FFmpegFrameGrabber(rtspUrl);
//                    grabber.setOption("rtsp_transport", "tcp"); // 使用tcp的方式，不然会丢包很严重
//                    grabber.setVideoOption("probesize", "10000"); // 设置捕获分析的最大字节
                    grabber.start();
                    Frame frame = grabber.grabImage(); // 直接捕获一帧
                    if (frame != null) {
                        System.out.println("成功捕获一帧");
                        // 将Frame转换为Mat
                        OpenCVFrameConverter.ToMat converter = new OpenCVFrameConverter.ToMat();
                        Mat mat = converter.convertToMat(frame);

                        imgUrl = workOrderNo + "_" + IdUtils.fastSimpleUUID() + ".png";
                        // 生成图片路径
                        String imgPath = PlatformConfig.getProfile() + "/" + imgUrl;
                        System.out.println("图片保存地址：" + imgPath);
                        imgUrl = Constants.RESOURCE_PREFIX + "/" + imgUrl;
                        // 保存图片
                        opencv_imgcodecs.imwrite(imgPath, mat);
                    } else {
                        System.out.println("未捕获到帧");
                    }
                } catch (FrameGrabber.Exception e) {
                    e.printStackTrace();
                } finally {
                    if (grabber != null) {
                        try {
                            grabber.stop(); // 停止捕获
                        } catch (FrameGrabber.Exception e) {
                            e.printStackTrace();
                        }
                    }
                }
            }
        } else {
            System.out.println("请求失败，错误码：" + wvpResult.getCode() + "--" + wvpResult.getMsg());
        }
        System.out.println("图片URL：" + imgUrl);
        return imgUrl;
        log.info("拿到取流图片响应结果：" + result);
        return result;
//        WVPResult wvpResult = JSON.parseObject(result, WVPResult.class);
//        String imgUrl = null;
//        if (wvpResult.getCode() == 0) {
//            JSONObject data = (JSONObject) wvpResult.getData();
//            String rtspUrl = data.getString("fmp4"); // 取mp4地址
//            if (StringUtils.hasText(rtspUrl)) {
//                System.out.println("目标地址：" + rtspUrl);
//                FFmpegFrameGrabber grabber = null;
//                try {
//                    grabber = new FFmpegFrameGrabber(rtspUrl);
////                    grabber.setOption("rtsp_transport", "tcp"); // 使用tcp的方式，不然会丢包很严重
////                    grabber.setVideoOption("probesize", "10000"); // 设置捕获分析的最大字节
//                    grabber.start();
//                    Frame frame = grabber.grabImage(); // 直接捕获一帧
//                    if (frame != null) {
//                        System.out.println("成功捕获一帧");
//                        // 将Frame转换为Mat
//                        OpenCVFrameConverter.ToMat converter = new OpenCVFrameConverter.ToMat();
//                        Mat mat = converter.convertToMat(frame);
//
//                        imgUrl = workOrderNo + "_" + IdUtils.fastSimpleUUID() + ".png";
//                        // 生成图片路径
//                        String imgPath = PlatformConfig.getProfile() + "/" + imgUrl;
//                        System.out.println("图片保存地址：" + imgPath);
//                        imgUrl = Constants.RESOURCE_PREFIX + "/" + imgUrl;
//                        // 保存图片
//                        opencv_imgcodecs.imwrite(imgPath, mat);
//                    } else {
//                        System.out.println("未捕获到帧");
//                    }
//                } catch (FrameGrabber.Exception e) {
//                    e.printStackTrace();
//                } finally {
//                    if (grabber != null) {
//                        try {
//                            grabber.stop(); // 停止捕获
//                        } catch (FrameGrabber.Exception e) {
//                            e.printStackTrace();
//                        }
//                    }
//                }
//            }
//        } else {
//            System.out.println("请求失败，错误码：" + wvpResult.getCode() + "--" + wvpResult.getMsg());
//        }
//        System.out.println("图片URL：" + imgUrl);
//        return imgUrl;
    }

    @Override