1.优化ffmpeg命令，适配各种类型视频

@@ -5,7 +5,6 @@ namespace App\Jobs;
 use App\Models\Immerse;
 use App\Models\VideoTemp;
 use Illuminate\Bus\Queueable;
-use Illuminate\Contracts\Queue\ShouldBeUnique;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Foundation\Bus\Dispatchable;
 use Illuminate\Queue\InteractsWithQueue;
@@ -25,6 +24,8 @@ class AdminMakeImmerse implements ShouldQueue
 
     protected $ffprobe;
 
+    protected $media_info;
+
     protected $output_width;
 
     protected $output_height;
@@ -56,9 +57,8 @@ class AdminMakeImmerse implements ShouldQueue
         $template = $adminMakeVideo->temp->where('state',1)->first();
 
         // 素材准备
-        $drawtext = $this->getTextContentString();
         $watermark =  $this->getAbsolutePath('images/LOGO_eng.png');
-        $is_bgm = $template->bg_music == 1;
+        $is_bgm = $template->bg_music == 1; //是否手动上传背景音
         $bgm = $this->getAbsolutePath($template->bgm_url);
 
         // 区分类型
@@ -66,6 +66,8 @@ class AdminMakeImmerse implements ShouldQueue
             $file = $this->getAbsolutePath($adminMakeVideo->video_url);
             // 分析视频
             $media_info = $this->mediainfo($file);
+            // 素材准备
+            $drawtext = $this->getTextContentString();
 
             if ($media_info['format']['nb_streams'] >= 2) {
                 /** 音频视频轨都有 */
@@ -262,6 +264,8 @@ class AdminMakeImmerse implements ShouldQueue
 
     public function mediainfo($file)
     {
+        if ($this->media_info) return $this->media_info;
+
         $cmd = $this->ffprobe . ' -v quiet -print_format json -show_format -show_streams ' . escapeshellarg($file);
         $output = $this->execmd($cmd);
         $data = json_decode($output, true);
@@ -269,6 +273,7 @@ class AdminMakeImmerse implements ShouldQueue
             $output = mb_convert_encoding($output, "UTF-8");
             $data = json_decode($output, true);
         }
+        $this->media_info = $data;
         return $data;
     }
 
@@ -372,6 +377,8 @@ class AdminMakeImmerse implements ShouldQueue
                 case 'every_poem':
                 case 'one_poem':
                     $content = $this->adminMakeVideo->poem->content;
+                    $contents = explode("\n",$content); //计算诗词行数
+                if ($this->media_info['format']['duration'] < 2 * count($contents)) {
                         $text_file = $this->getAbsolutePath($this->getTempPath('.txt','text'));
                         file_put_contents($text_file, $content);
                         $drawtext .= 'drawtext="'.
@@ -385,6 +392,29 @@ class AdminMakeImmerse implements ShouldQueue
                             'box=1:boxborderw='. $text_bg_box . ':' .
                             'boxcolor=' . $text_bg_color . '@' . $opacity . '", ';
 
+                    }else{
+                        $FID = $FOD = 1.0;
+                        if ($this->media_info['format']['duration'] > 3 * count($contents)) $FID = $FOD = 1.5;
+
+                        $round = round($this->media_info['format']['duration'] / count($contents),1);
+                        foreach ($contents as $key => $content){
+                            $DS = $key * $round;
+                            $DE = $DS + $round;
+                            $text_file = $this->getAbsolutePath($this->getTempPath('.txt','text'));
+                            file_put_contents($text_file, $content);
+                            $drawtext .= 'drawtext="'.
+                                'fontfile=' . escapeshellarg($font_file) . ':' .
+                                'textfile=' . escapeshellarg($text_file) . ':' .
+                                'fontsize=' . $this->calcFontSize($component->font_size) . ':' .
+//                                'fontcolor=' . $text_color . '@' . $opacity . ':' .
+                                'fontcolor_expr=' . $text_color . '%{eif\\: clip(255*(1*between(t\\, ' . $DE . ' + ' . $FID . '\\, ' . $DE . ' - ' . $FOD . ') + ((t - ' . $DS . ')/' . $FID . ')*between(t\\, ' . $DS . '\\, ' . $DS . ' + ' . $FID . ') + (-(t - ' . $DE . ')/' . $FOD . ')*between(t\\, ' . $DE . ' - ' . $FOD . '\\, ' . $DE . ') )\\, 0\\, 255) \\: x\\: 2 }:' .
+                                'x=' . escapeshellarg(VideoTemp::POSITION_FFMPEG[$component->position][0]) . ':' .
+                                'y=' . escapeshellarg(VideoTemp::POSITION_FFMPEG[$component->position][1]) . ':' .
+                                'fix_bounds='. $fix_bounds . ':' .
+                                'box=1:boxborderw='. $text_bg_box . ':' .
+                                'boxcolor=' . $text_bg_color . '@' . $opacity . '", ';
+                        }
+                    }
                     break;
                 case 'weather':
                     $content = $this->adminMakeVideo->weather;