PlayController.java
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package com.genersoft.iot.vmp.vmanager.play;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.genersoft.iot.vmp.common.StreamInfo;
import com.genersoft.iot.vmp.media.zlm.ZLMRESTfulUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.alibaba.fastjson.JSONObject;
import com.genersoft.iot.vmp.gb28181.bean.Device;
import com.genersoft.iot.vmp.gb28181.transmit.cmd.impl.SIPCommander;
import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
@CrossOrigin
@RestController
@RequestMapping("/api")
public class PlayController {
private final static Logger logger = LoggerFactory.getLogger(PlayController.class);
@Autowired
private SIPCommander cmder;
@Autowired
private IVideoManagerStorager storager;
@Autowired
private ZLMRESTfulUtils zlmresTfulUtils;
@GetMapping("/play/{deviceId}/{channelId}")
public ResponseEntity<String> play(@PathVariable String deviceId, @PathVariable String channelId) {
Device device = storager.queryVideoDevice(deviceId);
StreamInfo streamInfo = storager.queryPlayByDevice(deviceId, channelId);
if (streamInfo == null) {
streamInfo = cmder.playStreamCmd(device, channelId);
} else {
String streamId = String.format("%08x", Integer.parseInt(streamInfo.getSsrc())).toUpperCase();
JSONObject rtpInfo = zlmresTfulUtils.getRtpInfo(streamId);
if (rtpInfo.getBoolean("exist")) {
return new ResponseEntity<String>(JSON.toJSONString(streamInfo), HttpStatus.OK);
} else {
storager.stopPlay(streamInfo);
streamInfo = cmder.playStreamCmd(device, channelId);
}
}
String streamId = String.format("%08x", Integer.parseInt(streamInfo.getSsrc())).toUpperCase();
// 等待推流, TODO 默认超时30s
boolean lockFlag = true;
boolean rtpPushed = false;
long startTime = System.currentTimeMillis();
JSONObject rtpInfo = null;
while (lockFlag) {
try {
if (System.currentTimeMillis() - startTime > 60 * 1000) {
storager.stopPlay(streamInfo);
logger.info("播放等待超时");
return new ResponseEntity<String>("timeout", HttpStatus.OK);
} else {
streamInfo = storager.queryPlayByDevice(deviceId, channelId);
if (!rtpPushed) {
logger.info("查询RTP推流信息...");
rtpInfo = zlmresTfulUtils.getRtpInfo(streamId);
}
if (rtpInfo != null && rtpInfo.getBoolean("exist") && streamInfo != null && streamInfo.getFlv() != null) {
logger.info("查询流编码信息：" + streamInfo.getFlv());
rtpPushed = true;
Thread.sleep(2000);
JSONObject mediaInfo = zlmresTfulUtils.getMediaInfo("rtp", "rtmp", streamId);
if (mediaInfo.getInteger("code") == 0 && mediaInfo.getBoolean("online")) {
lockFlag = false;
logger.info("流编码信息已获取");
JSONArray tracks = mediaInfo.getJSONArray("tracks");
streamInfo.setTracks(tracks);
storager.startPlay(streamInfo);
} else {
logger.info("流编码信息未获取，2秒后重试...");
}
} else {
Thread.sleep(2000);
continue;
}
}
} catch (InterruptedException e) {
e.printStackTrace();
}
}
if (logger.isDebugEnabled()) {
logger.debug(String.format("设备预览 API调用，deviceId：%s ，channelId：%s", deviceId, channelId));
logger.debug("设备预览 API调用，ssrc：" + streamInfo.getSsrc() + ",ZLMedia streamId:"
+ Integer.toHexString(Integer.parseInt(streamInfo.getSsrc())));
}
if (streamInfo != null) {
return new ResponseEntity<String>(JSON.toJSONString(streamInfo), HttpStatus.OK);
} else {
logger.warn("设备预览API调用失败！");
return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR);
}
}
@PostMapping("/play/{ssrc}/stop")
public ResponseEntity<String> playStop(@PathVariable String ssrc) {
cmder.streamByeCmd(ssrc);
StreamInfo streamInfo = storager.queryPlayBySSRC(ssrc);
if (streamInfo == null)
return new ResponseEntity<String>(HttpStatus.PAYMENT_REQUIRED);
storager.stopPlay(streamInfo);
if (logger.isDebugEnabled()) {
logger.debug(String.format("设备预览停止API调用，ssrc：%s", ssrc));
}
if (ssrc != null) {
JSONObject json = new JSONObject();
json.put("ssrc", ssrc);
return new ResponseEntity<String>(json.toString(), HttpStatus.OK);
} else {
logger.warn("设备预览停止API调用失败！");
return new ResponseEntity<String>(HttpStatus.INTERNAL_SERVER_ERROR);
}
}
}