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add NALU_RAW/AVCC/ANNEXB

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This commit is contained in:
nareix 2016-07-01 17:57:27 +08:00
parent d4285826d9
commit 6d4ade40be
1 changed files with 11 additions and 5 deletions
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16
h264parser/parser.go
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@ -215,9 +215,15 @@ func WalkNALUsAVCC(nalus [][]byte, write func([]byte)) {
} }
} }
func SplitNALUs(b []byte) (nalus [][]byte, ok bool) { const (
NALU_RAW = iota
NALU_AVCC
NALU_ANNEXB
)
func SplitNALUs(b []byte) (nalus [][]byte, typ int) {
if len(b) < 4 { if len(b) < 4 {
return [][]byte{b}, false return [][]byte{b}, NALU_RAW
} }
val3 := bits.GetUIntBE(b, 24) val3 := bits.GetUIntBE(b, 24)
@ -241,7 +247,7 @@ func SplitNALUs(b []byte) (nalus [][]byte, ok bool) {
} }
} }
if len(_b) == 0 { if len(_b) == 0 {
return nalus, true return nalus, NALU_AVCC
} }
} }
@ -285,11 +291,11 @@ func SplitNALUs(b []byte) (nalus [][]byte, ok bool) {
} }
} }
} }
ok = true typ = NALU_ANNEXB
return return
} }
return [][]byte{b}, false return [][]byte{b}, NALU_RAW
} }
type SPSInfo struct { type SPSInfo struct {