完善国标级联点播推流，拉流代理，国标

src/main/java/com/genersoft/iot/vmp/gb28181/dao/PlatformChannelMapper.java

@@ -93,7 +93,7 @@ public interface PlatformChannelMapper {
             "left join wvp_device_channel dc on " +
             "dc.id = pgc.device_channel_id " +
             "WHERE " +
-            "dc.channel_id = #{channelId} and pp.status = true " +
+            "dc.device_id = #{channelId} and pp.status = true " +
             "AND pp.server_gb_id IN" +
             "<foreach collection='platforms' item='item'  open='(' separator=',' close=')' > #{item}</foreach>" +
             "</script> ")

src/main/java/com/genersoft/iot/vmp/gb28181/dao/PlatformMapper.java

@@ -83,4 +83,7 @@ public interface PlatformMapper {
     @Update("UPDATE wvp_platform SET status=#{online} WHERE server_gb_id=#{platformGbID}" )
     int updateStatus(@Param("platformGbID") String platformGbID, @Param("online") boolean online);
 
+    @Select("SELECT * FROM wvp_platform WHERE enable=true")
+    List<Platform> queryEnablePlatformList();
+
 }