宁煤集团返回rtsp流后执行获取首帧图片

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

@@ -344,6 +344,19 @@ class HaiKangController extends BaseController
             return $result;
         }
 
+        $degree = MineList::where('id', $query->mine_id)->value('degree');
+
+        $mine_list = MineList::whereIn('id', explode('|', $degree))->select(['title'])->get()->toArray();
+
+        $path = '';
+        foreach ($mine_list as $key => $val) {
+            $path .= '/' . $val['title'];
+        }
+
+        $new_camera_name = str_replace('-','',$query->camera_name);
+        $new_camera_name = str_replace('#','号',$new_camera_name);
+        $path .= '/' . $new_camera_name;
+
         if($query->code_stream == 2){
             $code_stream = 0;
         }else{
@@ -363,6 +376,8 @@ class HaiKangController extends BaseController
 
         $rtsp = json_decode($rtsp, true);
 
+        $ffmpeg_rtsp = $rtsp['data']['url'];
+
         $rtsp['data']['url'] = substr_replace($rtsp['data']['url'],env('NMJT_IP'),7,12);
 
         $result['data'] = [
@@ -370,9 +385,64 @@ class HaiKangController extends BaseController
             'url' => $rtsp['data']['url']
         ];
 
+        //查询是否存在封面图
+        $cover_picture = CameraList::where('id', Input::get('camera_id'))->value('cover_picture');
+
+        if (!$cover_picture) {
+            register_shutdown_function(array($this, "getFirstPicture"),$path,$ffmpeg_rtsp);
+        }
+
         return $result;
     }
 
+    //宁煤集团获取rtsp流后获取首帧图片
+    public function getFirstPicture($path,$ffmpeg_rtsp){
+        if (!is_dir('/www/wwwroot/video.nxjiewei.com/public/' . CameraEnum::M3U8_FILE_PATH . '/' . $path)) {
+            mkdir('/www/wwwroot/video.nxjiewei.com/public/' . CameraEnum::M3U8_FILE_PATH . '/' . $path, 0777, true);
+        }
+        // dd($result_td['content'][0]['url']);
+        $exec = 'nohup /usr/bin/ffmpeg -i "' . $ffmpeg_rtsp . '" -vcodec copy -acodec copy -vbsf h264_mp4toannexb -f hls -hls_flags delete_segments -segment_list_size 10 -hls_list_size 2 /www/wwwroot/video.nxjiewei.com/public/' . CameraEnum::M3U8_FILE_PATH .  $path . '/' . CameraEnum::M3U8_FILE_NAME . ' >/dev/null &';
+
+        shell_exec($exec);
+
+        //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 . '/' . CameraEnum::M3U8_FILE_NAME);
+
+            //判断ts文件是否存在
+            $ts_exists = glob(public_path() . '/' . CameraEnum::M3U8_FILE_PATH . $path  . '/' . CameraEnum::TS_FILE_SUFFIX);
+
+            if ($file_exists && $ts_exists) {
+
+                //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  . '/' . CameraEnum::M3U8_FILE_NAME . ' -vf "select=between(mod(n\, 25)\, 0\, 0), setpts=N/24/TB" ' . public_path() . '/' . CameraEnum::M3U8_FILE_PATH . $path  . '/' . $file_name;
+                exec($cover_exec);
+
+                //判断图片是否存在
+                $picture_exists = file_exists(public_path() . '/' . CameraEnum::M3U8_FILE_PATH . $path  . '/' . $file_name);
+
+                if ($picture_exists) {
+                    $cms = new CameraServices();
+
+                    //上传图片到oss并更新数据库
+                    $picture_path = $cms->uploadOssFile($file_name, public_path() . '/' . CameraEnum::M3U8_FILE_PATH . $path  . '/');
+
+                    CameraList::where('id', Input::get('camera_id'))->update(['cover_picture' => $picture_path]);
+                }
+
+            } else {
+                sleep(1);
+            }
+
+            $i++;
+        }
+
+    }
+
     //海康easy_drawin获取rtsp并推流
     public function getRtspByCameraId(){
         $result['status'] = true;