package com.genersoft.iot.vmp.vmanager.playback;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONArray;
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import com.genersoft.iot.vmp.common.StreamInfo;
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import com.genersoft.iot.vmp.media.zlm.ZLMRESTfulUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.util.StringUtils;
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import org.springframework.web.bind.annotation.CrossOrigin;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PathVariable;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import com.alibaba.fastjson.JSONObject;
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import com.genersoft.iot.vmp.gb28181.bean.Device;
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import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
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import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
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@CrossOrigin
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@RestController
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@RequestMapping("/api")
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public class PlaybackController {
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private final static Logger logger = LoggerFactory.getLogger(PlaybackController.class);
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@Autowired
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private SIPCommander cmder;
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@Autowired
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private IVideoManagerStorager storager;
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@Autowired
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private ZLMRESTfulUtils zlmresTfulUtils;
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@GetMapping("/playback/{deviceId}/{channelId}")
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public ResponseEntity<String> play(@PathVariable String deviceId,@PathVariable String channelId, String startTime, String endTime){
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if (logger.isDebugEnabled()) {
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logger.debug(String.format("设备回放 API调用，deviceId：%s ，channelId：%s",deviceId, channelId));
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}
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if (StringUtils.isEmpty(deviceId) || StringUtils.isEmpty(channelId)) {
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String log = String.format("设备回放 API调用失败，deviceId：%s ，channelId：%s",deviceId, channelId);
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logger.warn(log);
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return new ResponseEntity<String>(log,HttpStatus.BAD_REQUEST);
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}
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Device device = storager.queryVideoDevice(deviceId);
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StreamInfo streamInfo = storager.queryPlaybackByDevice(deviceId, channelId);
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if (streamInfo != null) {
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cmder.streamByeCmd(streamInfo.getSsrc());
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}
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// }else {
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// String streamId = String.format("%08x", Integer.parseInt(streamInfo.getSsrc())).toUpperCase();
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// JSONObject rtpInfo = zlmresTfulUtils.getRtpInfo(streamId);
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// if (rtpInfo.getBoolean("exist")) {
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// return new ResponseEntity<String>(JSON.toJSONString(streamInfo),HttpStatus.OK);
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// }else {
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// storager.stopPlayback(streamInfo);
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// streamInfo = cmder.playbackStreamCmd(device, channelId, startTime, endTime);
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// }
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// }
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streamInfo = cmder.playbackStreamCmd(device, channelId, startTime, endTime);
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String streamId = String.format("%08x", Integer.parseInt(streamInfo.getSsrc())).toUpperCase();
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if (logger.isDebugEnabled()) {
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logger.debug("设备回放 API调用，ssrc：" + streamInfo.getSsrc() + ",ZLMedia streamId:" + streamId);
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}
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// 等待推流, TODO 默认超时15s
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boolean lockFlag = true;
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boolean rtpPushed = false;
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long lockStartTime = System.currentTimeMillis();
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JSONObject rtpInfo = null;
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while (lockFlag) {
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try {
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if (System.currentTimeMillis() - lockStartTime > 75 * 1000) {
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storager.stopPlayback(streamInfo);
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logger.info("播放等待超时");
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return new ResponseEntity<String>("timeout",HttpStatus.OK);
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}else {
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streamInfo = storager.queryPlaybackByDevice(deviceId, channelId);
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if (!rtpPushed) {
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logger.info("查询RTP推流信息...");
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rtpInfo = zlmresTfulUtils.getRtpInfo(streamId);
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}
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if (rtpInfo != null && rtpInfo.getBoolean("exist") && streamInfo != null && streamInfo.getFlv() != null){
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logger.info("查询流编码信息："+streamInfo.getFlv());
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rtpPushed = true;
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Thread.sleep(2000);
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JSONObject mediaInfo = zlmresTfulUtils.getMediaInfo("rtp", "rtmp", streamId);
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if (mediaInfo.getInteger("code") == 0 && mediaInfo.getBoolean("online")) {
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lockFlag = false;
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logger.info("流编码信息已获取");
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JSONArray tracks = mediaInfo.getJSONArray("tracks");
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streamInfo.setTracks(tracks);
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storager.startPlayback(streamInfo);
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}else {
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logger.info("流编码信息未获取，2秒后重试...");
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}
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}else {
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Thread.sleep(2000);
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continue;
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}
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}
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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}
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if(streamInfo!=null) {
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return new ResponseEntity<String>(JSON.toJSONString(streamInfo),HttpStatus.OK);
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} else {
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logger.warn("设备回放API调用失败！");
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return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR);
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}
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}
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@RequestMapping("/playback/{ssrc}/stop")
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public ResponseEntity<String> playStop(@PathVariable String ssrc){
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cmder.streamByeCmd(ssrc);
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if (logger.isDebugEnabled()) {
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logger.debug(String.format("设备录像回放停止 API调用，ssrc：%s", ssrc));
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}
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if(ssrc!=null) {
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JSONObject json = new JSONObject();
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json.put("ssrc", ssrc);
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return new ResponseEntity<String>(json.toString(),HttpStatus.OK);
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} else {
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logger.warn("设备录像回放停止API调用失败！");
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return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR);
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}
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}
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}
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