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add ConvChannelToTrackIdAndStreamType, ConvTrackIdAndStreamTypeToChannel

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aler9
2020-07-12 21:39:05 +02:00
parent 9fc10224e1
commit e01b6cb3d6
1 changed files with 26 additions and 2 deletions
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28
interleaved-frame.go
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@@ -11,9 +11,33 @@ const (
_INTERLEAVED_FRAME_MAGIC = 0x24
)
// StreamType is the type of a stream.
type StreamType int
const (
// StreamTypeRtp is a stream that contains RTP packets
StreamTypeRtp StreamType = iota
// StreamTypeRtcp is a stream that contains RTCP packets
StreamTypeRtcp
)
func ConvChannelToTrackIdAndStreamType(channel uint8) (int, StreamType) {
if (channel % 2) == 0 {
return int(channel / 2), StreamTypeRtp
}
return int((channel - 1) / 2), StreamTypeRtcp
}
func ConvTrackIdAndStreamTypeToChannel(trackId int, StreamType StreamType) uint8 {
if StreamType == StreamTypeRtp {
return uint8(trackId * 2)
}
return uint8((trackId * 2) + 1)
}
// InterleavedFrame is a structure that allows to send and receive binary data
// with RTSP connections.
// It is usually used to send RTP and RTCP with RTSP.
// within RTSP connections. It is usually deployed to send RTP and RTCP packets via TCP.
type InterleavedFrame struct {
Channel uint8
Content []byte