Continued development

ffmpeg/ffmpeg.go

@@ -0,0 +1,46 @@
+package ffmpeg
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"strconv"
+)
+
+const (
+	FFPROBE = "/usr/bin/ffprobe"
+)
+
+// Remove executes mega-rm src
+func Duration(fn string) (duration float64, err error) {
+	// ffprobe -i "KatyDid's Channel, The JACK Show Reads Graham Nolans Chuck Dixon Tweet.mp3" -show_entries format=duration -v quiet -of csv="p=0"
+	//"\"" + fn + "\"",
+	args := []string{
+		"-i",
+		`""` + fn + `""`,
+		"-show_entries",
+		"format=duration",
+		"-v",
+		"quiet",
+		"-of",
+		"csv=\"p=0\"",
+	}
+	fmt.Println("[ffmpeg]", FFPROBE, args)
+	//_duration, err := exec.Command(FFPROBE, args...).Output()
+	cmd := exec.Command(FFPROBE, args...)
+	cmd.Stderr = os.Stderr
+	data, err := cmd.Output()
+	if err != nil {
+		fmt.Println("[ffmpeg] error[0]:", err)
+		fmt.Println(data)
+		return 0, err
+	}
+
+	duration, err = strconv.ParseFloat(string(data), 64)
+	if err != nil {
+		fmt.Println("[ffmpeg] error[1]:", err)
+		return 0, err
+	}
+
+	return
+}

go.mod

@@ -1,3 +1,3 @@
-module cd.cdmnky.dev/cdmnky/go
+module cdmnky.dev/cdmnky/go
 
 go 1.20

img/img.go

@@ -1,18 +1,34 @@
 package img
 
 import (
+	"fmt"
 	"image"
 	"image/draw"
 	"image/png"
 	"os"
+	"os/exec"
 
 	"github.com/anthonynsimon/bild/adjust"
 )
 
 const (
-	StyleDark = 0.70
+	StyleDark = -0.70
+
+	ffmpegBin = "/usr/bin/ffmpeg"
 )
 
+var ErrorFFMPEGBinaryNotFound = fmt.Errorf("ffmpeg binary not found: %s", ffmpegBin)
+
+func CreateThumbnail(videoFile, thumbFilename string) (err error) {
+	// ffmpeg -i videoFile -ss 00:00:01.000 -vframes 1 output.png
+	cmd := exec.Command(ffmpegBin, "-i", videoFile, "-ss", "00:05:00.000", "-vframes", "1", thumbFilename)
+	_, err = cmd.Output()
+	if err != nil {
+		return ErrorFFMPEGBinaryNotFound
+	}
+	return nil
+}
+
 func Overlay(inputFile, overlayFile string, style float64) (err error) {
 	thumb, err := os.Open(inputFile)
 	if err != nil {

mega/mega.go

@@ -74,27 +74,41 @@ func Files(dir string, filetypes []string, sortorder string) (files []FileInfo,
 	return List(dir, filetypes, sortorder)
 }
 
-// Find returns an array of mega.FileInfo restricted by specified filetype. Pass an empty
-// string array for all files. The array will be sorted by name based on the sortorder parameter.
-// Valid values are:
+// Find returns an array of mega.FileInfo
 //
-//	"asc|desc"
+// To specify a sort order pass either of the following:
 //
-// Passing an empty string will default to "asc"
-func Find(dir, pattern, sortorder string) (files []FileInfo, err error) {
+//	--sort=asc | --sort=desc
+//
+// If sort order is not specified it will default to "asc"
+func Find(dir string, patterns ...string) (files []FileInfo, err error) {
 
-	pattern = "--pattern=" + pattern
-
-	fmt.Println("cmd:", FIND, dir, pattern)
-	out, err := exec.Command(FIND, dir, pattern).Output()
-	if err != nil {
-		return nil, err
+	sortorder := "asc"
+	_params := []string{}
+	for _, pattern := range patterns {
+		if strings.HasPrefix(pattern, "--sort=") {
+			_toks := strings.Split(pattern, "=")
+			if len(_toks) == 2 && (_toks[1] == "asc" || _toks[1] == "desc") {
+				sortorder = _toks[1]
+			}
+			continue
+		}
+		_params = append(_params, "--pattern="+pattern)
 	}
 
-	lines := strings.Split(string(out), "\n")
-	for _, line := range lines {
-		files = append(files, FileInfo{filepath.Dir(line), filepath.Base(line), line})
-		//files = append(files, FileInfo{filepath.Dir(line), filepath.Base(line), filepath.Join(dir, line)})
+	for _, param := range _params {
+		params := []string{dir, param}
+		fmt.Printf("cmd: %s %s\n", FIND, params)
+		out, err := exec.Command(FIND, params...).Output()
+		if err != nil {
+			return nil, err
+		}
+
+		lines := strings.Split(string(out), "\n")
+		for _, line := range lines {
+			files = append(files, FileInfo{filepath.Dir(line), filepath.Base(line), line})
+		}
+
 	}
 
 	if len(sortorder) == 0 {

net/youtubedl

@@ -0,0 +1 @@
+Subproject commit 074bf53d3e8588a20411e944315e43dbc6b94de8