fix doc
This commit is contained in:
parent
4e0274d7eb
commit
f240fff54e
11
mp3/mp3.go
11
mp3/mp3.go
@ -38,8 +38,8 @@ func NewExtractor(respHdr http.Header) (*Extractor, error) {
|
||||
func (d *Extractor) ReadBlock(r io.Reader, w io.Writer) (isFirst bool, err error) {
|
||||
var musicData bytes.Buffer
|
||||
|
||||
// We want to write everything to the output, as well as musicData for
|
||||
// calculating the checksum.
|
||||
// We want to write everything except the metadata to the output and to
|
||||
// musicData for calculating the checksum.
|
||||
multi := io.MultiWriter(w, &musicData)
|
||||
|
||||
// Read until the metadata chunk. The part that is read here is also what
|
||||
@ -57,8 +57,8 @@ func (d *Extractor) ReadBlock(r io.Reader, w io.Writer) (isFirst bool, err error
|
||||
// Read metadata blocks.
|
||||
if numBlocks > 0 {
|
||||
// Metadata is only actually stored in the first metadata chunk
|
||||
// of a given file. Therefore, every metadata chunk with more than 1
|
||||
// block always marks the beginning of a file.
|
||||
// of a given file. Therefore, every metadata chunk with more than 0
|
||||
// blocks always marks the beginning of a file.
|
||||
isBOF = true
|
||||
|
||||
// Each block is 16 bytes in size. Any excess bytes in the last block
|
||||
@ -84,8 +84,7 @@ func (d *Extractor) ReadBlock(r io.Reader, w io.Writer) (isFirst bool, err error
|
||||
t = t[1 : len(t)-1]
|
||||
if t == "Unknown" {
|
||||
// If there is no stream title, use format:
|
||||
// Unknown_<crc32 checksum>
|
||||
// Where the checksum is only that of the first block.
|
||||
// Unknown_<crc32 checksum of first block>
|
||||
sumStr := strconv.FormatInt(int64(crc32.ChecksumIEEE(musicData.Bytes())), 10)
|
||||
d.streamTitle = "Unknown_" + sumStr
|
||||
} else {
|
||||
|
Loading…
Reference in New Issue
Block a user