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codec/h264/lex.go: merge logic for start end packet writing into first if

This commit is contained in:
Saxon 2019-05-24 10:38:06 +09:30
parent 04cd2e66ff
commit 5dfff61887
1 changed files with 4 additions and 8 deletions
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12
codec/h264/lex.go
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@ -266,24 +266,20 @@ func (l *RTPLexer) handleFUA(d []byte) {
// If start, form new header, skip FU indicator only and set first byte to // If start, form new header, skip FU indicator only and set first byte to
// new header. Otherwise, skip over both FU indicator and FU header. // new header. Otherwise, skip over both FU indicator and FU header.
if start { if start {
if end {
panic("bad fragmentation packet")
}
const FUIndicatorIdx = 0 const FUIndicatorIdx = 0
newHead := (d[FUIndicatorIdx] & 0xe0) | (d[FUHeadIdx] & 0x1f) newHead := (d[FUIndicatorIdx] & 0xe0) | (d[FUHeadIdx] & 0x1f)
d = d[1:] d = d[1:]
d[0] = newHead d[0] = newHead
} else {
d = d[2:]
}
if start {
if end {
panic("bad fragmentation packet")
}
l.frag = true l.frag = true
l.writeWithPrefix(d) l.writeWithPrefix(d)
} else { } else {
if end { if end {
l.frag = false l.frag = false
} }
d = d[2:]
l.writeNoPrefix(d) l.writeNoPrefix(d)
} }
} }