视频剪辑和处理

controller/video/transcode_controller.go

@@ -0,0 +1,42 @@
+package video
+
+import (
+	"context"
+	"fmt"
+
+	dto "media/model/dto/video"
+	service "media/service/video"
+
+	commonController "media/controller/common"
+
+	"github.com/gogf/gf/v2/frame/g"
+)
+
+type transcode struct{}
+
+var Transcode = new(transcode)
+
+// Transcode 上传视频并转码为 H.264+AAC+MP4(faststart) POST /video/transcode
+func (c *transcode) Transcode(ctx context.Context, req *struct {
+	g.Meta    `path:"/video/transcode" method:"post" tags:"视频转码" summary:"上传视频转码为H.264+AAC+MP4(faststart)" dc:"上传视频文件，转码为标准MP4格式"`
+	OutputDir string `json:"outputDir" dc:"输出目录(可选)，不传则输出到resource/temp下"`
+}) (res *dto.TranscodeRes, err error) {
+	ctx = withUser(ctx)
+
+	// 保存上传文件
+	filePaths, saveErr := commonController.SaveUploadedFilesFromCtx(ctx)
+	if saveErr != nil || len(filePaths) == 0 {
+		return nil, fmt.Errorf("上传文件失败: %v", saveErr)
+	}
+	inputPath := filePaths[0]
+	g.Log().Infof(ctx, "[转码] 上传文件保存到: %s", inputPath)
+
+	// 调用转码服务，outputDir 为空则 service 用默认值
+	res, err = service.Transcode.TranscodeToMP4(ctx, inputPath, req.OutputDir)
+	if err != nil {
+		return nil, fmt.Errorf("转码失败: %v", err)
+	}
+
+	g.Log().Infof(ctx, "[转码] 完成: %s", res.OutputPath)
+	return res, nil
+}