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Transcoder: Prevent error caused by buggy chapters parsing by mediainfo

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This commit is contained in:
Arthur Jamet 2024-05-11 11:06:27 +02:00 committed by Arthur Jamet
parent a978e99e8a
commit be0bd81107
1 changed files with 19 additions and 2 deletions
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21
transcoder/src/info.go
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@ -13,6 +13,7 @@ import (
"strconv"
"strings"
"sync"
"unicode"
"github.com/zoriya/go-mediainfo"
)
@ -152,6 +153,15 @@ func Map[T, U any](ts []T, f func(T, int) U) []U {
return us
}
func Filter[T any](ss []T, test func(T, int) bool) (ret []T) {
for i, s := range ss {
if test(s, i) {
ret = append(ret, s)
}
}
return
}
func OrNull(str string) *string {
if str == "" {
return nil
@ -300,13 +310,20 @@ func getInfo(path string) (*MediaInfo, error) {
Link: link,
}
}),
Chapters: Map(make([]Chapter, max(chapters_end-chapters_begin, 1)-1), func(_ Chapter, i int) Chapter {
Chapters: Filter(Map(make([]Chapter, max(chapters_end-chapters_begin, 1)-1), func(_ Chapter, i int) Chapter {
startTime := mi.GetI(mediainfo.StreamMenu, 0, int(chapters_begin)+i, mediainfo.InfoName)
// We expect `startTime` to be something like `00:00:00`
if len(startTime) > 0 && !unicode.IsDigit(rune(startTime[0])) {
return Chapter{}
}
return Chapter{
StartTime: ParseTime(mi.GetI(mediainfo.StreamMenu, 0, int(chapters_begin)+i, mediainfo.InfoName)),
StartTime: ParseTime(startTime),
// +1 is safe, the value at chapters_end contains the right duration
EndTime: ParseTime(mi.GetI(mediainfo.StreamMenu, 0, int(chapters_begin)+i+1, mediainfo.InfoName)),
Name: mi.GetI(mediainfo.StreamMenu, 0, int(chapters_begin)+i, mediainfo.InfoText),
}
}), func(chapter Chapter, i int) bool {
return chapter != Chapter{}
}),
Fonts: Map(
attachments,