摄像头首帧做封面

Modules/Camera/Http/Controllers/Api/HaiKangController.php

@@ -347,9 +347,15 @@ class HaiKangController extends BaseController
             return  $result;
         }
 
+        if($query->code_stream == 2){
+            $code_stream = 0;
+        }else{
+            $code_stream = 1;
+        }
+
         $url        = $this->artemis.'/api/video/v1/cameras/previewURLs';
         $params['cameraIndexCode'] = $query->index_code;
-        $params['streamType']      = 1;  //0主码流 1子码流 2第三码流
+        $params['streamType']      = $code_stream;  //0主码流 1子码流 2第三码流
         $params['protocol']        = 'rtsp';
         $params['transmode']       = 1;  //0:UDP 1:TCP
         $params['expand'] = 'streamform=rtp';
@@ -380,7 +386,13 @@ class HaiKangController extends BaseController
 
         if (strpos($curl_res,' ')) {
             //切换码流重新获取rtsp
-            $params['streamType']      = 0;  //0主码流 1子码流 2第三码流
+            if($code_stream == 1){
+                $code_stream = 0;
+            }else{
+                $code_stream = 1;
+            }
+
+            $params['streamType'] = $code_stream;  //0主码流 1子码流 2第三码流
 
             $rtsp = $this->curlPost($this->pre_url . $url, json_encode($params));
 
@@ -416,6 +428,48 @@ class HaiKangController extends BaseController
             'url' => env('EASY_DARWIN_JF_RTSP') . $path
         ];
 
+        //sleep10秒生成文件
+        $i = 1;
+        while ($i <= 10) {
+            //判断m3u8文件是否存在
+            $file_exists = file_exists(public_path() . '/' . CameraEnum::M3U8_FILE_PATH . $path . '/' . date('Ymd', time()) . '/' . CameraEnum::M3U8_FILE_NAME);
+            //判断ts文件是否存在
+            $ts_exists = glob(public_path() . '/' . CameraEnum::M3U8_FILE_PATH . $path . '/' . date('Ymd', time()) . '/' . CameraEnum::TS_FILE_SUFFIX);
+            //查询是否存在封面图
+            $cover_picture = CameraList::where('id', Input::get('camera_id'))->value('cover_picture');
+
+            if ($file_exists && $ts_exists) {
+                //查询是否存在封面图
+                if (!$cover_picture) {
+                    //获取第一帧作为封面图
+                    $file_name = time() . CameraEnum::COVER_PICTURE_NAME;
+                    $cover_exec = 'ffmpeg -i ' . public_path() . '/' . CameraEnum::M3U8_FILE_PATH . $path . '/' . date('Ymd', time()) . '/' . CameraEnum::M3U8_FILE_NAME . ' -vf "select=between(mod(n\, 25)\, 0\, 0), setpts=N/24/TB" ' . public_path() . '/' . CameraEnum::M3U8_FILE_PATH . $path . '/' . date('Ymd', time()) . '/' . $file_name;
+                    exec($cover_exec);
+
+                    //判断图片是否存在
+                    $picture_exists = file_exists(public_path() . '/' . CameraEnum::M3U8_FILE_PATH . $path . '/' . date('Ymd', time()) . '/' . $file_name);
+
+                    if ($picture_exists) {
+                        //上传图片到oss并更新数据库
+                        $picture_path = self::uploadOssFile($file_name, public_path() . '/' . CameraEnum::M3U8_FILE_PATH . $path . '/' . date('Ymd', time()) . '/');
+                        CameraList::where('id', Input::get('camera_id'))->update(['cover_picture' => $picture_path]);
+                    }
+                }
+
+                return $result;
+            } else {
+                sleep(1);
+            }
+
+            $i++;
+        }
+
+        //标记摄像头为异常状态
+        CameraList::where('id', Input::get('camera_id'))->update(['camera_status' => CameraEnum::CAMERA_STATUS_ERROR]);
+
+        $result['status'] = false;
+        $result['msg']    = ApiEnum::EASY_DAWIN_REQUEST_FAIL;
+
         return $result;
     }