Initial commit

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

common/vid.go

@@ -0,0 +1,45 @@
+package common
+
+import "math"
+
+type Quality string
+type Direction string
+
+const (
+	High   Quality = "high"   //影片质量高 720P以上
+	Middle Quality = "middle" //影片质量高  480P-720P以上
+	Low    Quality = "low"    //影片质量高  480P以下
+
+	Vertical   Direction = "vertical"   //竖屏
+	Horizontal Direction = "horizontal" //横屏
+	Square     Direction = "square"     //方形屏
+)
+
+type IdentifiInfo struct {
+	Quality   Quality
+	Direction Direction
+}
+
+// 提取视频信息
+func IdentifiVideoInfo(width, height int64) (info IdentifiInfo) {
+	//竖屏
+	if height > width {
+		info.Direction = Vertical
+	}
+	if height == width {
+		info.Direction = Square
+	}
+	if height < width {
+		info.Direction = Horizontal
+	}
+	max := math.Max(float64(width), float64(height))
+	min := math.Min(float64(width), float64(height))
+	if min >= 720 && max >= 1280 {
+		info.Quality = High
+	} else if min >= 480 && max >= 800 {
+		info.Quality = Middle
+	} else {
+		info.Quality = Low
+	}
+	return
+}