fix

app/Libs/Helpers.php

@@ -4550,6 +4550,13 @@ function upgrade480pTo720p($videoSource, $prefix = 'video', $isContent = false)
         $width = isset($matches[1]) ? (int)$matches[1] : 0;
         $height = isset($matches[2]) ? (int)$matches[2] : 0;
         
+        dLog('video_upgrade')->info('FFmpeg探测结果', [
+            'probe_output' => substr($probeOutput, 0, 500),
+            'matches' => $matches,
+            'width' => $width,
+            'height' => $height
+        ]);
+        
         // 根据视频方向决定缩放参数，确保短边达到720
         // 计算缩放比例，使短边至少为720
         if ($width > 0 && $height > 0) {
@@ -4566,19 +4573,31 @@ function upgrade480pTo720p($videoSource, $prefix = 'video', $isContent = false)
                 $targetLongSide += 1;
             }
             
+            dLog('video_upgrade')->info('缩放计算详情', [
+                'original' => "{$width}x{$height}",
+                'short_side' => $shortSide,
+                'long_side' => $longSide,
+                'scale_ratio' => $scale,
+                'target_short' => $targetShortSide,
+                'target_long' => $targetLongSide,
+                'is_portrait' => $width < $height ? 'yes' : 'no'
+            ]);
+            
             if ($width < $height) {
                 // 竖屏：宽度是短边
                 $scaleFilter = "scale={$targetShortSide}:{$targetLongSide}:flags=lanczos";
                 dLog('video_upgrade')->info('检测到竖屏视频，短边（宽）设为720', [
                     'original_size' => "{$width}x{$height}",
-                    'target_size' => "{$targetShortSide}x{$targetLongSide}"
+                    'target_size' => "{$targetShortSide}x{$targetLongSide}",
+                    'scale_filter' => $scaleFilter
                 ]);
             } else {
                 // 横屏：高度是短边
                 $scaleFilter = "scale={$targetLongSide}:{$targetShortSide}:flags=lanczos";
                 dLog('video_upgrade')->info('检测到横屏视频，短边（高）设为720', [
                     'original_size' => "{$width}x{$height}",
-                    'target_size' => "{$targetLongSide}x{$targetShortSide}"
+                    'target_size' => "{$targetLongSide}x{$targetShortSide}",
+                    'scale_filter' => $scaleFilter
                 ]);
             }
         } else {
@@ -4641,6 +4660,18 @@ function upgrade480pTo720p($videoSource, $prefix = 'video', $isContent = false)
         
         chmod($outputFile, 0664);
 
+        // 验证输出视频的分辨率
+        $verifyCmd = "$ffmpegPath -i \"$outputFile\" 2>&1";
+        $verifyOutput = shell_exec($verifyCmd);
+        preg_match('/Stream.*Video.*?(\d+)x(\d+)/', $verifyOutput, $verifyMatches);
+        $outputWidth = isset($verifyMatches[1]) ? (int)$verifyMatches[1] : 0;
+        $outputHeight = isset($verifyMatches[2]) ? (int)$verifyMatches[2] : 0;
+        
+        dLog('video_upgrade')->info('输出视频分辨率验证', [
+            'expected' => isset($targetShortSide) ? ($width < $height ? "{$targetShortSide}x{$targetLongSide}" : "{$targetLongSide}x{$targetShortSide}") : '未知',
+            'actual' => "{$outputWidth}x{$outputHeight}"
+        ]);
+
         $outputFileSize = filesize($outputFile);
         $sizeRatio = round($outputFileSize / $inputFileSize, 2);