parsers/analyze_file.go

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2022-12-07 19:57:40 +01:00
package parsers
import (
"context"
"os"
"git.milar.in/nyaanime/model"
"gopkg.in/vansante/go-ffprobe.v2"
)
// TODO cache
func AnalyzeFile(path string) (*model.ParsedFile, error) {
props := &model.ParsedFile{File: path}
file, err := os.Open(path)
if err != nil {
return nil, err
}
defer file.Close()
data, err := ffprobe.ProbeReader(context.Background(), file)
if err != nil {
return nil, err
}
defaultVideoLang := ""
for _, s := range data.StreamType(ffprobe.StreamVideo) {
if s.Disposition.Default > 0 {
props.Resolution = model.Resolution(s.Height)
defaultVideoLang = ParseLanguage(s.Tags.Language)
break
}
}
for _, s := range data.StreamType(ffprobe.StreamAudio) {
if s.Tags.Language != "" {
props.Languages = append(props.Languages, ParseLanguage(s.Tags.Language))
} else if s.Disposition.Default > 0 {
props.Languages = append(props.Languages, defaultVideoLang)
}
}
for _, s := range data.StreamType(ffprobe.StreamSubtitle) {
if s.Tags.Language != "" {
props.Subtitles = append(props.Subtitles, ParseLanguage(s.Tags.Language))
} else if s.Disposition.Default > 0 {
props.Subtitles = append(props.Subtitles, defaultVideoLang)
}
}
return props, nil
}