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0ef6602adb
Simplifies the API. Unmarshal can now return one Packet value instead of both a packet and a header. Relates to #119
47 lines
924 B
Go
47 lines
924 B
Go
package rtcp
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// Packet represents an RTCP packet, a protocol used for out-of-band statistics and control information for an RTP session
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type Packet interface {
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Header() Header
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Marshal() ([]byte, error)
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Unmarshal(rawPacket []byte) error
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}
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// Unmarshal is a factory a polymorphic RTCP packet, and its header,
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func Unmarshal(rawPacket []byte) (Packet, Header, error) {
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var h Header
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var p Packet
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err := h.Unmarshal(rawPacket)
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if err != nil {
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return nil, h, err
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}
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switch h.Type {
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case TypeSenderReport:
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p = new(SenderReport)
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case TypeReceiverReport:
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p = new(ReceiverReport)
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case TypeSourceDescription:
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p = new(SourceDescription)
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case TypeGoodbye:
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p = new(Goodbye)
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case TypeTransportSpecificFeedback:
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p = new(RapidResynchronizationRequest)
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case TypePayloadSpecificFeedback:
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p = new(PictureLossIndication)
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default:
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p = new(RawPacket)
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}
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err = p.Unmarshal(rawPacket)
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return p, h, err
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}
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