feat: update

backend/pkg/utils/exec.go

@@ -0,0 +1,67 @@
+package utils
+
+import (
+	"bufio"
+	"context"
+	"os/exec"
+
+	"github.com/go-pay/errgroup"
+	"github.com/pkg/errors"
+	log "github.com/sirupsen/logrus"
+)
+
+// ExecCommand executes a command and streams its output in real-time
+func ExecCommand(name string, args ...string) error {
+	cmd := exec.Command(name, args...)
+
+	stdout, err := cmd.StdoutPipe()
+	if err != nil {
+		return errors.Wrap(err, "stdout pipe error")
+	}
+
+	stderr, err := cmd.StderrPipe()
+	if err != nil {
+		return errors.Wrap(err, "stderr pipe error")
+	}
+
+	if err := cmd.Start(); err != nil {
+		return errors.Wrap(err, "command start error")
+	}
+
+	var eg errgroup.Group
+	eg.Go(func(ctx context.Context) error {
+		scanner := bufio.NewScanner(stdout)
+		for scanner.Scan() {
+			log.Info(scanner.Text())
+		}
+		return nil
+	})
+
+	eg.Go(func(ctx context.Context) error {
+		scanner := bufio.NewScanner(stderr)
+		for scanner.Scan() {
+			log.Error(scanner.Text())
+		}
+		return nil
+	})
+
+	if err := cmd.Wait(); err != nil {
+		return errors.Wrap(err, "command wait error")
+	}
+
+	if err := eg.Wait(); err != nil {
+		return errors.Wrap(err, "command wait error")
+	}
+
+	return nil
+}
+
+// ExecCommandOutput executes a command and returns its output
+func ExecCommandOutput(name string, args ...string) ([]byte, error) {
+	cmd := exec.Command(name, args...)
+	output, err := cmd.Output()
+	if err != nil {
+		return nil, errors.Wrapf(err, "failed to execute command: %s", name)
+	}
+	return output, nil
+}

backend/pkg/utils/ffmpeg.go

@@ -1,120 +1,56 @@
 package utils
 
 import (
-	"bufio"
-	"context"
-	"os/exec"
 	"strconv"
 	"strings"
 
-	"github.com/go-pay/errgroup"
 	"github.com/pkg/errors"
-	log "github.com/sirupsen/logrus"
 )
 
 func GetMediaDuration(path string) (int64, error) {
-	// use ffprobe to get media duration
-	//  ffprobe -v error -show_entries format=duration -of default=noprint_wrappers=1:nokey=1 <file>
-	cmd := exec.Command("ffprobe", "-v", "error", "-show_entries", "format=duration", "-of", "default=noprint_wrappers=1:nokey=1", path)
-	durationOutput, err := cmd.Output()
+	args := []string{
+		"-v", "error",
+		"-show_entries", "format=duration",
+		"-of", "default=noprint_wrappers=1:nokey=1",
+		path,
+	}
+
+	output, err := ExecCommandOutput("ffprobe", args...)
 	if err != nil {
 		return 0, errors.Wrap(err, "ffprobe error")
 	}
-	duration := string(durationOutput)
-	duration = strings.TrimSpace(duration)
+
+	duration := strings.TrimSpace(string(output))
 	durationFloat, err := strconv.ParseFloat(duration, 64)
 	if err != nil {
 		return 0, errors.Wrap(err, "duration conversion error")
 	}
+
 	return int64(durationFloat), nil
 }
 
 func CutMedia(input, output string, start, end int64) error {
-	//  ffmpeg -ss 00:00:00 -i input.mp4 -to 00:01:00 -c copy output.mp4
-	cmd := exec.Command("ffmpeg", "-y", "-ss", strconv.FormatInt(start, 10), "-i", input, "-t", strconv.FormatInt(end, 10), "-c", "copy", output)
-
-	stdout, err := cmd.StdoutPipe()
-	if err != nil {
-		log.Errorf("Error creating stdout pipe: %v", err)
-		return err
+	args := []string{
+		"-y",
+		"-ss", strconv.FormatInt(start, 10),
+		"-i", input,
+		"-t", strconv.FormatInt(end, 10),
+		"-c", "copy",
+		output,
 	}
 
-	stderr, err := cmd.StderrPipe()
-	if err != nil {
-		log.Errorf("Error creating stderr pipe: %v", err)
-		return err
-	}
-
-	if err := cmd.Start(); err != nil {
-		log.Errorf("Error starting command: %v", err)
-		return err
-	}
-
-	var eg errgroup.Group
-	eg.Go(func(ctx context.Context) error {
-		scanner := bufio.NewScanner(stdout)
-		for scanner.Scan() {
-			log.Info(scanner.Text())
-		}
-		return nil
-	})
-
-	eg.Go(func(ctx context.Context) error {
-		scanner := bufio.NewScanner(stderr)
-		for scanner.Scan() {
-			log.Error(scanner.Text())
-		}
-		return nil
-	})
-
-	if err := cmd.Wait(); err != nil {
-		log.Errorf("Error waiting for command: %v", err)
-		return err
-	}
-
-	if err := eg.Wait(); err != nil {
-		log.Errorf("Error waiting for command: %v", err)
-		return err
-	}
-	return nil
+	return ExecCommand("ffmpeg", args...)
 }
 
 // GetFrameImageFromVideo extracts target time frame from a video file and saves it as an image.
 func GetFrameImageFromVideo(input, output string, time int64) error {
-	// ffmpeg -y -i input.mp4 -ss 00:00:01 -vframes 1 output.jpg
-	cmd := exec.Command("ffmpeg", "-y", "-i", input, "-ss", strconv.FormatInt(time, 10), "-vframes", "1", output)
-	stdout, err := cmd.StdoutPipe()
-	if err != nil {
-		return errors.Wrap(err, "stdout pipe error")
+	args := []string{
+		"-y",
+		"-i", input,
+		"-ss", strconv.FormatInt(time, 10),
+		"-vframes", "1",
+		output,
 	}
 
-	stderr, err := cmd.StderrPipe()
-	if err != nil {
-		return errors.Wrap(err, "stderr pipe error")
-	}
-	if err := cmd.Start(); err != nil {
-		return errors.Wrap(err, "command start error")
-	}
-	var eg errgroup.Group
-	eg.Go(func(ctx context.Context) error {
-		scanner := bufio.NewScanner(stdout)
-		for scanner.Scan() {
-			log.Info(scanner.Text())
-		}
-		return nil
-	})
-	eg.Go(func(ctx context.Context) error {
-		scanner := bufio.NewScanner(stderr)
-		for scanner.Scan() {
-			log.Error(scanner.Text())
-		}
-		return nil
-	})
-	if err := cmd.Wait(); err != nil {
-		return errors.Wrap(err, "command wait error")
-	}
-	if err := eg.Wait(); err != nil {
-		return errors.Wrap(err, "command wait error")
-	}
-	return nil
+	return ExecCommand("ffmpeg", args...)
 }