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67 lines
2.1 KiB
Go
67 lines
2.1 KiB
Go
// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
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// SPDX-License-Identifier: MIT
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package webrtc
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import (
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"math"
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"github.com/pion/dtls/v3"
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)
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const (
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// default as the standard ethernet MTU
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// can be overwritten with SettingEngine.SetReceiveMTU().
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receiveMTU = 1500
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// simulcastProbeCount is the amount of RTP Packets
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// that handleUndeclaredSSRC will read and try to dispatch from
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// mid and rid values.
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simulcastProbeCount = 10
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// simulcastMaxProbeRoutines is how many active routines can be used to probe
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// If the total amount of incoming SSRCes exceeds this new requests will be ignored.
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simulcastMaxProbeRoutines = 25
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// Default Max SCTP Message Size is the largest single DataChannel
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// message we can send or accept. This default was chosen to match FireFox.
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defaultMaxSCTPMessageSize = 1073741823
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// If a DataChannel Max Message Size isn't declared by the Remote(max-message-size)
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// this is the value we default to. This value was chosen because it was the behavior
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// of Pion before max-message-size was implemented.
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sctpMaxMessageSizeUnsetValue = math.MaxUint16
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mediaSectionApplication = "application"
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sdpAttributeRid = "rid"
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sdpAttributeSimulcast = "simulcast"
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rtpOutboundMTU = 1200
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rtpPayloadTypeBitmask = 0x7F
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incomingUnhandledRTPSsrc = "Incoming unhandled RTP ssrc(%d), OnTrack will not be fired. %v"
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generatedCertificateOrigin = "WebRTC"
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// AttributeRtxPayloadType is the interceptor attribute added when Read()
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// returns an RTX packet containing the RTX stream payload type.
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AttributeRtxPayloadType = "rtx_payload_type"
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// AttributeRtxSsrc is the interceptor attribute added when Read()
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// returns an RTX packet containing the RTX stream SSRC.
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AttributeRtxSsrc = "rtx_ssrc"
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// AttributeRtxSequenceNumber is the interceptor attribute added when
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// Read() returns an RTX packet containing the RTX stream sequence number.
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AttributeRtxSequenceNumber = "rtx_sequence_number"
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)
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func defaultSrtpProtectionProfiles() []dtls.SRTPProtectionProfile {
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return []dtls.SRTPProtectionProfile{
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dtls.SRTP_AEAD_AES_256_GCM,
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dtls.SRTP_AEAD_AES_128_GCM,
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dtls.SRTP_AES128_CM_HMAC_SHA1_80,
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}
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}
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