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In oggtag handle a case when tag name are in upper case.

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This commit is contained in:
Alexander Andreev 2023-10-01 06:36:47 +04:00
parent 2ea74277ab
commit 10b817df2e
Signed by: Arav
GPG Key ID: D22A817D95815393
1 changed files with 9 additions and 1 deletions
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10
pkg/oggtag/oggtag.go
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@ -6,6 +6,7 @@ for certain tag names ending with an = character, e.g. artist= and title=.
import ( import (
"bytes" "bytes"
"strings"
) )
// OggGetTag is searching for a certain tag in a given buffer buf and returns // OggGetTag is searching for a certain tag in a given buffer buf and returns
@ -15,7 +16,14 @@ import (
// looking for a certain tag preceded with three zero bytes and ends with // looking for a certain tag preceded with three zero bytes and ends with
// an = character. // an = character.
func OggGetTag(buf []byte, tag string) string { func OggGetTag(buf []byte, tag string) string {
tagIdx := bytes.Index(buf, append([]byte{0, 0, 0}, (tag+"=")...)) + 3 tagIdx := bytes.Index(buf, append([]byte{0, 0, 0}, (tag+"=")...))
if tagIdx == -1 {
tagIdx = bytes.Index(buf, append([]byte{0, 0, 0}, (strings.ToUpper(tag)+"=")...))
if tagIdx == -1 {
return ""
}
}
tagIdx += 3
tagNameLen := len(tag) + 1 tagNameLen := len(tag) + 1
valStart := tagIdx + tagNameLen valStart := tagIdx + tagNameLen
valLen := int(buf[tagIdx-4]) - tagNameLen valLen := int(buf[tagIdx-4]) - tagNameLen