优化播放程序，缩短播放加载时间

src/main/java/com/genersoft/iot/vmp/vmanager/play/PlayController.java

@@ -39,7 +39,8 @@ public class PlayController {
 	private ZLMRESTfulUtils zlmresTfulUtils;
 
 	@GetMapping("/play/{deviceId}/{channelId}")
-	public ResponseEntity<String> play(@PathVariable String deviceId, @PathVariable String channelId) {
+	public ResponseEntity<String> play(@PathVariable String deviceId, @PathVariable String channelId,
+	Integer getEncoding) {
 
 		Device device = storager.queryVideoDevice(deviceId);
 		StreamInfo streamInfo = storager.queryPlayByDevice(deviceId, channelId);
@@ -64,6 +65,7 @@ public class PlayController {
 		long startTime = System.currentTimeMillis();
 		JSONObject rtpInfo = null;
 
+		if (getEncoding == 1) {
 			while (lockFlag) {
 				try {
 					if (System.currentTimeMillis() - startTime > 60 * 1000) {
@@ -76,7 +78,8 @@ public class PlayController {
 							logger.info("查询RTP推流信息...");
 							rtpInfo = zlmresTfulUtils.getRtpInfo(streamId);
 						}
-					if (rtpInfo != null && rtpInfo.getBoolean("exist") && streamInfo != null && streamInfo.getFlv() != null) {
+						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);
@@ -99,6 +102,13 @@ public class PlayController {
 					e.printStackTrace();
 				}
 			}
+		} else {
+			String flv = storager.getMediaInfo().getLocalIP() + ":" + storager.getMediaInfo().getHttpPort() + "/rtp/"
+					+ streamId + ".flv";
+			streamInfo.setFlv("http://" + flv);
+			streamInfo.setWs_flv("ws://" + flv);
+			storager.startPlay(streamInfo);
+		}
 
 		if (logger.isDebugEnabled()) {
 			logger.debug(String.format("设备预览 API调用，deviceId：%s ，channelId：%s", deviceId, channelId));

web_src/src/components/channelList.vue

@@ -197,11 +197,12 @@ export default {
             let deviceId = this.deviceId;
             this.isLoging = true;
             let channelId = itemData.channelId;
-            console.log("通知设备推流1：" + deviceId + " : " + channelId);
+            let getEncoding = itemData.hasAudio ? '1' : '0'
+            console.log("通知设备推流1：" + deviceId + " : " + channelId + ":" + getEncoding);
             let that = this;
             this.$axios({
                 method: 'get',
-                url: '/api/play/' + deviceId + '/' + channelId
+                url: '/api/play/' + deviceId + '/' + channelId + '?getEncoding=' + getEncoding
             }).then(function (res) {
                 console.log(res.data)
                 let ssrc = res.data.ssrc;

web_src/src/components/gb28181/devicePlayer.vue

@@ -223,7 +223,7 @@ export default {
         play: function (streamInfo, hasAudio) {
             this.hasaudio = hasAudio;
             // 根据媒体流信息二次判断
-            if (!!streamInfo.tracks && streamInfo.tracks.length > 0) {
+            if (!!streamInfo.tracks && streamInfo.tracks.length > 0 && hasAudio) {
                 var realHasAudio = false;
                 for (let i = 0; i < streamInfo.tracks.length; i++) {
                     if (streamInfo.tracks[i].codec_type == 1 && streamInfo.tracks[i].codec_id_name == "CodecAAC") { // 判断为AAC音频