More foundations for clips

handlers/clip.go

@@ -0,0 +1,58 @@
+package handlers
+
+import (
+	"path/filepath"
+	"strconv"
+	"ytdlp-site/config"
+	"ytdlp-site/database"
+	"ytdlp-site/ffmpeg"
+	"ytdlp-site/media"
+
+	"github.com/google/uuid"
+	"github.com/labstack/echo/v4"
+)
+
+func ClipPost(c echo.Context) error {
+
+	videoID := c.FormValue("video_id")
+
+	fromSecs, err := strconv.ParseFloat(c.FormValue("from_secs"), 64)
+	if err != nil {
+		return err
+	}
+	if fromSecs < 0 {
+		fromSecs = 0
+	}
+	toSecs, err := strconv.ParseFloat(c.FormValue("to_secs"), 64)
+	if err != nil {
+		return err
+	}
+
+	var video media.Video
+	err = database.Get().Where("id = ?", videoID).First(&video).Error
+	if err != nil {
+		return err
+	}
+
+	dstBase := uuid.Must(uuid.NewV7()).String()
+	dstName := dstBase + filepath.Ext(video.Filename)
+	dstPath := filepath.Join(config.GetDataDir(), dstName)
+
+	srcPath := filepath.Join(config.GetDataDir(), video.Filename)
+	log.Debugf("Clip from %s [%f-%f]", srcPath, fromSecs, toSecs)
+	err = ffmpeg.Clip(srcPath, dstPath, fromSecs, toSecs)
+	if err != nil {
+		return err
+	}
+
+	clip := media.VideoClip{
+		VideoFile:  video.VideoFile,
+		OriginalID: video.OriginalID,
+		VideoID:    video.ID,
+		StartMS:    uint(fromSecs*1000 + 0.5),
+		StopMS:     uint(toSecs*1000 + 0.5),
+	}
+	clip.Filename = dstName
+
+	return database.Get().Create(&clip).Error
+}