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https://github.com/hanzoai/livekit.git
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Raja SubramanianandGitHub
35ee5b44a6
And match design to RTP header extension, i. e. the padding for extensions is not at per extension level (which was the case before), but has been changed to padding the aggregate of all extensions in this PR.
60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
// Copyright 2023 LiveKit, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package datatrack
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import (
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"errors"
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"github.com/livekit/protocol/livekit"
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)
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type ExtensionParticipantSid struct {
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participantID livekit.ParticipantID
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}
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func NewExtensionParticipantSid(participantID livekit.ParticipantID) (*ExtensionParticipantSid, error) {
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if len(participantID) >= 256 {
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return nil, errors.New("participantID too long")
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}
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return &ExtensionParticipantSid{participantID}, nil
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}
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func (e *ExtensionParticipantSid) ParticipantID() livekit.ParticipantID {
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return e.participantID
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}
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func (e *ExtensionParticipantSid) Marshal() (Extension, error) {
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data := make([]byte, len(e.participantID))
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copy(data, e.participantID)
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return Extension{
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id: uint8(livekit.DataTrackExtensionID_DTEI_PARTICIPANT_SID),
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data: data,
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}, nil
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}
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func (e *ExtensionParticipantSid) Unmarshal(ext Extension) error {
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if ext.id != uint8(livekit.DataTrackExtensionID_DTEI_PARTICIPANT_SID) {
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return errors.New("invalid extension ID")
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}
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if len(ext.data) == 0 {
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return errors.New("empty extension data")
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}
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e.participantID = livekit.ParticipantID(ext.data)
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return nil
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}
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