minor changes

src/main/java/com/marketingconfort/mydressin/mydressinstreamservices/controllers/ChatController.java

@@ -69,7 +69,7 @@ public class ChatController {
             @RequestParam Long streamId,   @RequestParam(value = "page", defaultValue = "0") int page,
             @RequestParam(value = "size", defaultValue = "100") int size,
             @RequestParam(value = "sortBy", defaultValue = "createdAt") String sortBy,
-            @RequestParam(value = "sortDir", defaultValue = "ASC") String sortDir,
+            @RequestParam(value = "sortDir", defaultValue = "DESC") String sortDir,
             @RequestHeader String requestAuthorization) {
         return chatService.getAllMsgByStream(streamId, page, size, sortBy, sortDir);
     }

src/main/java/com/marketingconfort/mydressin/mydressinstreamservices/services/impl/ChatService.java

 package com.marketingconfort.mydressin.mydressinstreamservices.services.impl;
 
+import java.util.Collections;
 import java.util.List;
 import java.util.stream.Collectors;
 
@@ -44,6 +45,7 @@ public class ChatService implements IChatService {
     public List<ChatMessageResponse> getAllMsgByStream(long id, int page, int size, String sortBy, String sortDir) {
         Pageable pageable = PageRequest.of(page, size, Sort.Direction.fromString(sortDir), sortBy);
         List<ChatMessage> chatMessages = chatMessageRepository.findAllMessagesByLiveStreamId(id, pageable );
+        Collections.reverse(chatMessages);
         return chatMessages.stream()
                 .map(ChatMessageResponse::fromEntity)
                 .collect(Collectors.toList());

src/main/java/com/marketingconfort/mydressin/mydressinstreamservices/services/impl/LiveStreamService.java

@@ -197,7 +197,7 @@ public class LiveStreamService implements ILiveStreamService {
         }
         Long pid = liveStream.getFfmpegPid();
         liveStream.setStatus(LiveStatus.REVIEW);
-        liveStream.setVideoLink(liveServerConfig.getCdn() + liveStream.getKeysWork().getKeyStream() + ".flv");
+        liveStream.setVideoLink(liveServerConfig.getCdn() + liveStream.getKeysWork().getKeyStream() + ".mp4");
         liveStreamRepository.save(liveStream);
         KeysWork keysWork = keysWorkRepository.findByLiveStream(liveStream);
         LiveStopDto stopDto = new LiveStopDto(pid, keysWork.getKeyStream());