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package media
import (
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"strings"
"time"
"github.com/dhowden/tag"
"github.com/wybiral/tube/utils"
)
// Video represents metadata for a single video.
type Video struct {
ID string
Title string
Album string
Description string
Thumb []byte
ThumbType string
Modified string
Size int64
Path string
Timestamp time.Time
}
// ParseVideo parses a video file's metadata and returns a Video.
func ParseVideo(p *Path, name string) (*Video, error) {
pth := path.Join(p.Path, name)
f, err := os.Open(pth)
if err != nil {
return nil, err
}
defer f.Close()
info, err := f.Stat()
if err != nil {
return nil, err
}
size := info.Size()
timestamp := info.ModTime()
modified := timestamp.Format("2006-01-02 03:04 PM")
// ID is name without extension
idx := strings.LastIndex(name, ".")
if idx == -1 {
idx = len(name)
}
id := name[:idx]
if len(p.Prefix) > 0 {
// if there's a prefix prepend it to the ID
id = path.Join(p.Prefix, name[:idx])
}
m, err := tag.ReadFrom(f)
if err != nil {
return nil, err
}
title := m.Title()
// Default title is filename
if title == "" {
title = name
}
v := &Video{
ID: id,
Title: title,
Album: m.Album(),
Description: m.Comment(),
Modified: modified,
Size: size,
Path: pth,
Timestamp: timestamp,
}
// Add thumbnail (if exists)
pic := m.Picture()
if pic != nil {
v.Thumb = pic.Data
v.ThumbType = pic.MIMEType
} else if utils.CmdExists("mt") {
if err := utils.RunCmd(3, "mt", "-s", "-n", "1", pth); err != nil {
return nil, err
}
data, err := ioutil.ReadFile(fmt.Sprintf("%s.jpg", strings.TrimSuffix(pth, filepath.Ext(pth))))
if err != nil {
return nil, err
}
v.Thumb = data
v.ThumbType = "image/jpeg"
}
return v, nil
}
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