Added video support

README.md

@@ -1,14 +1,14 @@
 ## About
 
-Sometimes, you just need a way to randomly display images from your filesystem.
+Sometimes, you just need a way to randomly display media from your filesystem.
 
 Simply point this tool at one or more directories, and then open the specified port (default `8080`) in your browser.
 
-A new image will be selected if you open `/` directly, or if you click on any displayed image.
+A new file will be selected if you open `/` directly, or if you click on any displayed media.
 
-Browser history is preserved, so you can always go back to any previously displayed image.
+Browser history is preserved, so you can always go back to any previously displayed media.
 
-Supported file types and extensions are `bmp`, `gif`, `jp[e]g`, `png`, and `webp`.
+Supported file types and extensions are `bmp`, `gif`, `jp[e]g`, `png`, `webp`, `mp4`, `ogv`, and `webm`.
 
 Feature requests, code criticism, bug reports, general chit-chat, and unrelated angst accepted at `roulette@seedno.de`.
 
@@ -60,7 +60,7 @@ Note: These patterns require sequentially-numbered files matching the following
 
 If a positive-value `refresh=<integer><unit>` query parameter is provided, the page will reload after that interval.
 
-This can be used to generate a sort of slideshow of images.
+This can be used to generate a sort of slideshow of files.
 
 Supported units are `ns`, `us`/`µs`, `ms`, `s`, `m`, and `h`.
 

cmd/files.go

@@ -43,7 +43,7 @@ type Concurrency struct {
 
 var (
 	ErrNoImagesFound = fmt.Errorf("no supported image formats found which match all criteria")
-	Extensions       = [6]string{".jpg", ".jpeg", ".png", ".gif", ".webp", ".bmp"}
+	Extensions       = [9]string{".jpg", ".jpeg", ".png", ".gif", ".webp", ".bmp", ".mp4", ".ogv", ".webm"}
 )
 
 type Dimensions struct {
@@ -168,12 +168,12 @@ func preparePath(path string) string {
 
 func appendPath(directory, path string, files *Files, stats *ScanStats, shouldCache bool) error {
 	if shouldCache {
-		image, err := isImage(path)
+		image, video, err := isSupportedFileType(path)
 		if err != nil {
 			return err
 		}
 
-		if !image {
+		if !(image || video) {
 			return nil
 		}
 	}
@@ -382,20 +382,27 @@ func pathIsValid(filePath string, paths []string) bool {
 	}
 }
 
-func isImage(path string) (bool, error) {
+func isSupportedFileType(path string) (bool, bool, error) {
 	file, err := os.Open(path)
 	switch {
 	case errors.Is(err, os.ErrNotExist):
-		return false, nil
+		return false, false, nil
 	case err != nil:
-		return false, err
+		return false, false, err
 	}
 	defer file.Close()
 
 	head := make([]byte, 261)
 	file.Read(head)
 
-	return filetype.IsImage(head), nil
+	switch {
+	case filetype.IsImage(head):
+		return true, false, nil
+	case filetype.IsVideo(head):
+		return false, true, nil
+	default:
+		return false, false, nil
+	}
 }
 
 func pathHasSupportedFiles(path string) (bool, error) {
@@ -410,12 +417,12 @@ func pathHasSupportedFiles(path string) (bool, error) {
 		case !recursive && info.IsDir() && p != path:
 			return filepath.SkipDir
 		case !info.IsDir():
-			image, err := isImage(p)
+			image, video, err := isSupportedFileType(p)
 			if err != nil {
 				return err
 			}
 
-			if image {
+			if image || video {
 				hasSupportedFiles <- true
 				return filepath.SkipAll
 			}
@@ -609,12 +616,12 @@ func pickFile(args []string, filters *Filters, sort string, index *Index) (strin
 		filePath := fileList[r]
 
 		if !fromCache {
-			isImage, err := isImage(filePath)
+			image, video, err := isSupportedFileType(filePath)
 			if err != nil {
 				return "", err
 			}
 
-			if isImage {
+			if image || video {
 				return filePath, nil
 			}
 

cmd/version.go

@@ -10,7 +10,7 @@ import (
 	"github.com/spf13/cobra"
 )
 
-var Version = "0.44.0"
+var Version = "0.45.0"
 
 func init() {
 	rootCmd.AddCommand(versionCmd)

cmd/web.go

@@ -751,21 +751,26 @@ func serveImage(paths []string, Regexes *Regexes, index *Index) http.HandlerFunc
 				return
 			}
 
-			image, err := isImage(filePath)
+			image, video, err := isSupportedFileType(filePath)
 			if err != nil {
 				fmt.Println(err)
 				return
 			}
-			if !image {
+
+			if !(image || video) {
 				notFound(w, r, filePath)
 
 				return
 			}
 
-			dimensions, err := imageDimensions(filePath)
-			if err != nil {
-				fmt.Println(err)
-				return
+			var dimensions *Dimensions
+
+			if image {
+				dimensions, err = imageDimensions(filePath)
+				if err != nil {
+					fmt.Println(err)
+					return
+				}
 			}
 
 			fileName := filepath.Base(filePath)
@@ -782,24 +787,38 @@ func serveImage(paths []string, Regexes *Regexes, index *Index) http.HandlerFunc
 			htmlBody.WriteString(`<!DOCTYPE html><html lang="en"><head>`)
 			htmlBody.WriteString(`<style>html,body{margin:0;padding:0;height:100%;}`)
 			htmlBody.WriteString(`a{display:block;height:100%;width:100%;text-decoration:none;}`)
-			htmlBody.WriteString(`img{margin:auto;display:block;max-width:97%;max-height:97%;object-fit:scale-down;`)
+			htmlBody.WriteString(`img,video{margin:auto;display:block;max-width:97%;max-height:97%;object-fit:scale-down;`)
 			htmlBody.WriteString(`position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);}</style>`)
-			htmlBody.WriteString(fmt.Sprintf(`<title>%s (%dx%d)</title>`,
-				fileName,
-				dimensions.width,
-				dimensions.height))
+			switch {
+			case image:
+				htmlBody.WriteString(fmt.Sprintf(`<title>%s (%dx%d)</title>`,
+					fileName,
+					dimensions.width,
+					dimensions.height))
+			case video:
+				htmlBody.WriteString(fmt.Sprintf(`<title>%s</title>`,
+					fileName))
+			}
 			htmlBody.WriteString(`</head><body>`)
 			if refreshInterval != "0ms" {
 				htmlBody.WriteString(fmt.Sprintf("<script>window.onload = function(){setInterval(function(){window.location.href = '/%s';}, %d);};</script>",
 					queryParams,
 					refreshTimer))
 			}
-			htmlBody.WriteString(fmt.Sprintf(`<a href="/%s"><img src="%s" width="%d" height="%d" alt="Roulette selected: %s"></a>`,
-				queryParams,
-				generateFilePath(filePath),
-				dimensions.width,
-				dimensions.height,
-				fileName))
+			switch {
+			case image:
+				htmlBody.WriteString(fmt.Sprintf(`<a href="/%s"><img src="%s" width="%d" height="%d" alt="Roulette selected: %s"></a>`,
+					queryParams,
+					generateFilePath(filePath),
+					dimensions.width,
+					dimensions.height,
+					fileName))
+			case video:
+				htmlBody.WriteString(fmt.Sprintf(`<a href="/%s"><video src="%s" alt="Roulette selected: %s" autoplay controls></a>`,
+					queryParams,
+					generateFilePath(filePath),
+					fileName))
+			}
 			htmlBody.WriteString(`</body></html>`)
 
 			_, err = io.WriteString(w, gohtml.Format(htmlBody.String()))