先用 PipedInputStream 接收数据 再 写入 http 响应
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@ -3,6 +3,7 @@ package cn.skcks.docking.gb28181.wvp.service.video;
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import cn.hutool.core.date.DateTime;
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import cn.hutool.core.date.DateUnit;
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import cn.hutool.core.date.DateUtil;
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import cn.hutool.core.io.IoUtil;
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import cn.skcks.docking.gb28181.core.sip.utils.SipUtil;
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import cn.skcks.docking.gb28181.wvp.config.ProxySipConfig;
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import cn.skcks.docking.gb28181.wvp.config.WvpProxyConfig;
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@ -31,9 +32,7 @@ import org.bytedeco.javacv.FFmpegFrameRecorder;
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import org.bytedeco.javacv.FrameGrabber;
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import org.springframework.stereotype.Service;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.io.*;
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import java.util.Optional;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ScheduledExecutorService;
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@ -50,6 +49,8 @@ public class VideoService {
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private final ProxySipConfig proxySipConfig;
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private final DockingService dockingService;
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private final SipSender sender;
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private final ScheduledExecutorService scheduledExecutorService = Executors.newSingleThreadScheduledExecutor();
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/**
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* 写入 flv 响应头信息
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* @param response HttpServletResponse 响应
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@ -230,8 +231,9 @@ public class VideoService {
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@SneakyThrows
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public void ffmpegRecord(ServletResponse response, String url, long time, WvpProxyDevice device,String callId){
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ServletOutputStream outputStream = response.getOutputStream();
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PipedOutputStream pipedOutputStream = new PipedOutputStream();
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ByteArrayOutputStream errorStream = new ByteArrayOutputStream();
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PumpStreamHandler streamHandler = new PumpStreamHandler(outputStream, errorStream);
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PumpStreamHandler streamHandler = new PumpStreamHandler(pipedOutputStream, errorStream);
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DefaultExecuteResultHandler executeResultHandler = mediaStatus(device,callId);
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DateTime startTime = DateUtil.date();
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Executor executor;
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@ -241,13 +243,16 @@ public class VideoService {
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executor = ffmpegSupportService.downloadToStream(url, time, TimeUnit.SECONDS,streamHandler,executeResultHandler);
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}
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log.info("开始录制 {}", url);
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ScheduledExecutorService scheduledExecutorService = Executors.newSingleThreadScheduledExecutor();
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ScheduledFuture<?> schedule = scheduledExecutorService.schedule(() -> {
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log.info("到达结束时间, 结束录制 {}", url);
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executor.getWatchdog().destroyProcess();
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log.info("结束录制 {}", url);
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}, time, TimeUnit.SECONDS);
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executeResultHandler.waitFor();
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DataInputStream is = new DataInputStream(new PipedInputStream(pipedOutputStream));
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IoUtil.copy(is,outputStream);
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schedule.cancel(true);
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DateTime endTime = DateUtil.date();
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log.info("录制进程结束 {}, 录制耗时: {}", url, DateUtil.between(startTime,endTime, DateUnit.SECOND));
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