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minDataSize is out and flvTagheaderSize is in!

This commit is contained in:
scruzin 2019-01-11 16:00:00 +10:30
parent d87dfca283
commit e78cc93432
2 changed files with 8 additions and 5 deletions
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3
rtmp/rtmp.go
View File

@ -46,7 +46,6 @@ import (
const (
pkg = "rtmp:"
minDataSize = 11 // ToDo: this should be the same as fullHeaderSize
signatureSize = 1536
fullHeaderSize = 12
)
@ -159,7 +158,7 @@ var (
errConnStream = errors.New("rtmp: connection stream error")
errInvalidHeader = errors.New("rtmp: invalid header")
errInvalidBody = errors.New("rtmp: invalid body")
errTinyPacket = errors.New("rtmp: packet too small")
errInvalidFlvTag = errors.New("rtmp: invalid FLV tag")
errEncoding = errors.New("rtmp: encoding error")
errDecoding = errors.New("rtmp: decoding error")
errUnimplemented = errors.New("rtmp: unimplemented feature")

10
rtmp/session.go
View File

@ -106,6 +106,10 @@ const (
FatalLevel int8 = 5
)
// flvTagheaderSize is the FLV header size we expect.
// NB: We don't accept extended headers.
const flvTagheaderSize = 11
// NewSession returns a new Session.
func NewSession(url string, timeout uint, log Log) *Session {
return &Session{
@ -174,8 +178,8 @@ func (s *Session) Write(data []byte) (int, error) {
if !s.isConnected() {
return 0, errNotConnected
}
if len(data) < minDataSize {
return 0, errTinyPacket
if len(data) < flvTagheaderSize {
return 0, errInvalidFlvTag
}
if data[0] == packetTypeInfo || (data[0] == 'F' && data[1] == 'L' && data[2] == 'V') {
return 0, errUnimplemented
@ -190,7 +194,7 @@ func (s *Session) Write(data []byte) (int, error) {
}
pkt.resize(pkt.bodySize, headerSizeAuto)
copy(pkt.body, data[minDataSize:minDataSize+pkt.bodySize])
copy(pkt.body, data[flvTagheaderSize:flvTagheaderSize+pkt.bodySize])
err := pkt.write(s, false)
if err != nil {
return 0, err