1.继续调试ffmpeg命令

@@ -46,6 +46,9 @@ class DevFFmpeg extends Command
      */
     public function handle()
     {
+        $mv = AdminMakeVideo::query()->first();
+        dd($mv->getContentPosition());
+
         $content = '题破山寺后禅院' . "\t" . '  -- 常建' . PHP_EOL .
             '清晨入古寺，初日照高林。' . PHP_EOL .
             '曲径通幽处，禅房花木深。' . PHP_EOL .

@@ -61,6 +61,7 @@ class MakeVideo implements ShouldQueue
         $signature_x = 0;
         $signature_y = -20;
         $content = $adminMakeVideo->poem->content;
+        $content_position = $adminMakeVideo->getContentPosition();
 
         // 转换logo大小
 //        $watermark = $this->translateLogo(Storage::disk('public')->path('image/logo.jpg'));
@@ -77,7 +78,7 @@ class MakeVideo implements ShouldQueue
             $animate = $this->makeAnimate($last_frame_video, $end_wallpaper, '', $signature_x, $signature_y, $font);
         }
 
-        $video = $this->getTempPath();
+        $video_temp = $this->getTempPath();
         $cmd = $this->ffmpeg . ' -y ' .
             ' -i ' . escapeshellarg($file) .
             ' -i ' . escapeshellarg($animate) .
@@ -89,31 +90,32 @@ class MakeVideo implements ShouldQueue
             'text=' . escapeshellarg($content) . ':' .
             'fontsize=43:' .
             'fontcolor=white@1.0:' .
-            'x=main_w/2' . '-260' . ':' .
-            'y=main_h/2' . '-20' . ':' .
+            'x=' . $content_position[0] . ':' .
+            'y=' . $content_position[1] . ':' .
             'box=1:boxcolor=0xd0cdcc@0.5' .
             '" [text];' .
             '[text] [2:v]overlay=' . $watermark_x . ':' . $watermark_y . '[water];[water][0:1][1:0][1:1] concat=n=2:v=1:a=1[v][a]" ' .
             ' -map [v] -map [a]' .
             ' -c:v libx264 -bt 256k -r 25' .
             ' -ar 44100 -ac 2 -qmin 30 -qmax 60 -profile:v baseline -preset fast ' .
-            escapeshellarg($video);
+            escapeshellarg($video_temp);
 
         $this->execmd($cmd);
 
+        $video = $this->getTempPath();
         if ( $adminMakeVideo->thumbnail == 1 && $adminMakeVideo->thumbnail_url){
-            $video_temp = $video;
-            $video = $this->getTempPath();
-
-            $cmd = $this->ffmpeg. ' -y'.
-                ' -i ' . escapeshellarg($video_temp).
-                ' -i ' . escapeshellarg(Storage::disk('public')->path($adminMakeVideo->thumbnail_url)).
-                ' -map 1 -map 0 -c copy -disposition:0 attached_pic '.
-                escapeshellarg($video);
-
-            $this->execmd($cmd);
+            $thumbnail = Storage::disk('public')->path($adminMakeVideo->thumbnail_url);
+        }else{
+            $thumbnail = $last_frame_video;
         }
 
+        $cmd = $this->ffmpeg. ' -y'.
+            ' -i ' . escapeshellarg($video_temp).
+            ' -i ' . escapeshellarg($thumbnail).
+            ' -map 1 -map 0 -c copy -disposition:0 attached_pic '.
+            escapeshellarg($video);
+        $this->execmd($cmd);
+
         // 全部合成以后创建 临境
         $video_info = $this->mediainfo($video);
 

@@ -51,4 +51,11 @@ class AdminMakeVideo extends Model
     {
         return $this->hasOne(VideoTemp::class,'id','temp_id');
     }
+
+    public function getContentPosition($field = 'one_poem')
+    {
+        $component  = $this->temp()->first()->components()->where('name','=',$field)->first();
+
+        return VideoTemp::POSITION_FFMPEG[$component->position];
+    }
 }

@@ -16,6 +16,12 @@ class VideoTemp extends Model
         'botLeft'=>'下左','botMiddle'=>'下中','botRight'=>'下右',
     ];
 
+    const POSITION_FFMPEG = [
+        'topLeft' => [0, 0], 'topMiddle' => ['(w-text_w)/2', 0], 'topRight' => ['w-text_w', 0],
+        'midLeft' => [0, '(h-text_h)/2'], 'midMiddle' => ['(w-text_w)/2', '(h-text_h)/2'], 'midRight' => ['w-text_w', '(h-text_h)/2'],
+        'botLeft' => [0, 'h-text_h'], 'botMiddle' => ['(w-text_w)/2', 'h-text_h'], 'botRight' => ['w-text_w', 'h-text_h'],
+    ];
+
     protected $table = 'video_temp';
 
     protected $guarded = [''];