From c5320fbf7fd671ba7ccefe66e951edeebb4252b2 Mon Sep 17 00:00:00 2001
From: guoshilong <123456>
Date: Tue, 26 Sep 2023 16:24:51 +0800
Subject: [PATCH] 媒体模块
---
src/main/java/com/dji/sample/manage/service/impl/LiveStreamServiceImpl.java | 12 +++++++++++-
1 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/src/main/java/com/dji/sample/manage/service/impl/LiveStreamServiceImpl.java b/src/main/java/com/dji/sample/manage/service/impl/LiveStreamServiceImpl.java
index 94ece0d..9886a63 100644
--- a/src/main/java/com/dji/sample/manage/service/impl/LiveStreamServiceImpl.java
+++ b/src/main/java/com/dji/sample/manage/service/impl/LiveStreamServiceImpl.java
@@ -56,6 +56,7 @@
public List<CapacityDeviceDTO> getLiveCapacity(String workspaceId) {
// Query all devices in this workspace.
+ //查询该工作区中的所有设备。
List<DeviceDTO> devicesList = deviceService.getDevicesByParams(
DeviceQueryParam.builder()
.workspaceId(workspaceId)
@@ -64,6 +65,7 @@
// Query the live capability of each drone.
return devicesList.stream()
+ //过滤出在线设备
.filter(device -> deviceRedisService.checkDeviceOnline(device.getDeviceSn()))
.map(device -> CapacityDeviceDTO.builder()
.name(Objects.requireNonNullElse(device.getNickname(), device.getDeviceName()))
@@ -96,6 +98,7 @@
// liveParam.setVideoId(streamId_2);
// Check if this lens is available live.
+ //检查镜头是否可用
ResponseResult responseResult = this.checkBeforeLive(liveParam.getVideoId());
if (ResponseResult.CODE_SUCCESS != responseResult.getCode()) {
return responseResult;
@@ -103,11 +106,14 @@
DeviceDTO data = (DeviceDTO)responseResult.getData();
// target topic
+ //thing/product/{gateway_sn}/services 云平台向设备发送的服务
String respTopic = THING_MODEL_PRE + PRODUCT +
data.getDeviceSn() + SERVICES_SUF;
+ //获取返回结果
ServiceReply receiveReply = this.publishLiveStart(respTopic, liveParam);
+ //相机已经在直播中，请勿重复开启直播
if(receiveReply.getResult() == 513003) {
LiveDTO live = new LiveDTO();
live.setUrl(liveParam.getUrl().replace("rtmp", "https").replace("735","700") + ".flv");
@@ -121,6 +127,7 @@
LiveUrlTypeEnum urlType = LiveUrlTypeEnum.find(liveParam.getUrlType());
LiveDTO live = new LiveDTO();
+ //对不同的协议类型做处理
switch (urlType) {
case RTMP:
// live.setUrl(liveParam.getUrl().replace("rtmp", "webrtc"));
@@ -155,6 +162,7 @@
return responseResult;
}
+ //thing/product/{gateway_sn}/services
String respTopic = THING_MODEL_PRE + PRODUCT + responseResult.getData().getDeviceSn() + SERVICES_SUF;
videoId = videoId.replace("_","/");
@@ -227,6 +235,7 @@
/**
* Check if this lens is available live.
+ * 检查镜头是否可用
* @param videoId
* @return
*/
@@ -308,6 +317,7 @@
/**
* Send a message to the pilot via mqtt to start the live streaming.
+ *通过mqtt向飞行员发送消息以启动直播。
* @param topic
* @param liveParam
* @return
@@ -358,4 +368,4 @@
return messageSender.publishWithReply(ServiceReply.class, topic, response);
}
-}
\ No newline at end of file
+}
--
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