mirror of
https://github.com/pion/webrtc.git
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1014 lines
32 KiB
Go
1014 lines
32 KiB
Go
// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
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// SPDX-License-Identifier: MIT
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//go:build !js
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// +build !js
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package webrtc
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import (
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"fmt"
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"regexp"
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"strings"
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"testing"
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"github.com/pion/sdp/v3"
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"github.com/pion/transport/v3/test"
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"github.com/stretchr/testify/assert"
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)
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// pion/webrtc#1078
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// .
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func TestOpusCase(t *testing.T) {
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pc, err := NewPeerConnection(Configuration{})
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assert.NoError(t, err)
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_, err = pc.AddTransceiverFromKind(RTPCodecTypeAudio)
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assert.NoError(t, err)
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offer, err := pc.CreateOffer(nil)
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assert.NoError(t, err)
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assert.True(t, regexp.MustCompile(`(?m)^a=rtpmap:\d+ opus/48000/2`).MatchString(offer.SDP))
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assert.NoError(t, pc.Close())
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}
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// pion/example-webrtc-applications#89
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// .
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func TestVideoCase(t *testing.T) {
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pc, err := NewPeerConnection(Configuration{})
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assert.NoError(t, err)
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_, err = pc.AddTransceiverFromKind(RTPCodecTypeVideo)
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assert.NoError(t, err)
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offer, err := pc.CreateOffer(nil)
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assert.NoError(t, err)
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assert.True(t, regexp.MustCompile(`(?m)^a=rtpmap:\d+ H264/90000`).MatchString(offer.SDP))
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assert.True(t, regexp.MustCompile(`(?m)^a=rtpmap:\d+ VP8/90000`).MatchString(offer.SDP))
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assert.True(t, regexp.MustCompile(`(?m)^a=rtpmap:\d+ VP9/90000`).MatchString(offer.SDP))
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assert.NoError(t, pc.Close())
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}
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func TestMediaEngineRemoteDescription(t *testing.T) { //nolint:maintidx
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mustParse := func(raw string) sdp.SessionDescription {
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s := sdp.SessionDescription{}
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assert.NoError(t, s.Unmarshal([]byte(raw)))
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return s
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}
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t.Run("No Media", func(t *testing.T) {
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const noMedia = `v=0
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o=- 4596489990601351948 2 IN IP4 127.0.0.1
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s=-
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t=0 0
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`
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mediaEngine := MediaEngine{}
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assert.NoError(t, mediaEngine.RegisterDefaultCodecs())
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assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(noMedia)))
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assert.False(t, mediaEngine.negotiatedVideo)
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assert.False(t, mediaEngine.negotiatedAudio)
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})
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t.Run("Enable Opus", func(t *testing.T) {
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const opusSamePayload = `v=0
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o=- 4596489990601351948 2 IN IP4 127.0.0.1
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s=-
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t=0 0
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m=audio 9 UDP/TLS/RTP/SAVPF 111
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a=rtpmap:111 opus/48000/2
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a=fmtp:111 minptime=10; useinbandfec=1
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`
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mediaEngine := MediaEngine{}
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assert.NoError(t, mediaEngine.RegisterDefaultCodecs())
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assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(opusSamePayload)))
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assert.False(t, mediaEngine.negotiatedVideo)
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assert.True(t, mediaEngine.negotiatedAudio)
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opusCodec, _, err := mediaEngine.getCodecByPayload(111)
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assert.NoError(t, err)
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assert.Equal(t, opusCodec.MimeType, MimeTypeOpus)
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})
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t.Run("Change Payload Type", func(t *testing.T) {
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const opusSamePayload = `v=0
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o=- 4596489990601351948 2 IN IP4 127.0.0.1
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s=-
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t=0 0
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m=audio 9 UDP/TLS/RTP/SAVPF 112
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a=rtpmap:112 opus/48000/2
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a=fmtp:112 minptime=10; useinbandfec=1
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`
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mediaEngine := MediaEngine{}
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assert.NoError(t, mediaEngine.RegisterDefaultCodecs())
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assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(opusSamePayload)))
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assert.False(t, mediaEngine.negotiatedVideo)
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assert.True(t, mediaEngine.negotiatedAudio)
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_, _, err := mediaEngine.getCodecByPayload(111)
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assert.Error(t, err)
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opusCodec, _, err := mediaEngine.getCodecByPayload(112)
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assert.NoError(t, err)
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assert.Equal(t, opusCodec.MimeType, MimeTypeOpus)
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})
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t.Run("Ambiguous Payload Type", func(t *testing.T) {
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const opusSamePayload = `v=0
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o=- 4596489990601351948 2 IN IP4 127.0.0.1
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s=-
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t=0 0
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m=audio 9 UDP/TLS/RTP/SAVPF 96
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a=rtpmap:96 opus/48000/2
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a=fmtp:96 minptime=10; useinbandfec=1
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`
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mediaEngine := MediaEngine{}
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assert.NoError(t, mediaEngine.RegisterDefaultCodecs())
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assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(opusSamePayload)))
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assert.False(t, mediaEngine.negotiatedVideo)
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assert.True(t, mediaEngine.negotiatedAudio)
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opusCodec, _, err := mediaEngine.getCodecByPayload(96)
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assert.NoError(t, err)
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assert.Equal(t, opusCodec.MimeType, MimeTypeOpus)
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})
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t.Run("Case Insensitive", func(t *testing.T) {
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const opusUpcase = `v=0
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o=- 4596489990601351948 2 IN IP4 127.0.0.1
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s=-
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t=0 0
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m=audio 9 UDP/TLS/RTP/SAVPF 111
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a=rtpmap:111 OPUS/48000/2
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a=fmtp:111 minptime=10; useinbandfec=1
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`
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mediaEngine := MediaEngine{}
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assert.NoError(t, mediaEngine.RegisterDefaultCodecs())
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assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(opusUpcase)))
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assert.False(t, mediaEngine.negotiatedVideo)
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assert.True(t, mediaEngine.negotiatedAudio)
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opusCodec, _, err := mediaEngine.getCodecByPayload(111)
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assert.NoError(t, err)
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assert.Equal(t, opusCodec.MimeType, "audio/OPUS")
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})
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t.Run("Handle different fmtp", func(t *testing.T) {
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const opusNoFmtp = `v=0
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o=- 4596489990601351948 2 IN IP4 127.0.0.1
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s=-
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t=0 0
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m=audio 9 UDP/TLS/RTP/SAVPF 111
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a=rtpmap:111 opus/48000/2
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`
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mediaEngine := MediaEngine{}
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assert.NoError(t, mediaEngine.RegisterDefaultCodecs())
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assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(opusNoFmtp)))
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assert.False(t, mediaEngine.negotiatedVideo)
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assert.True(t, mediaEngine.negotiatedAudio)
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opusCodec, _, err := mediaEngine.getCodecByPayload(111)
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assert.NoError(t, err)
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assert.Equal(t, opusCodec.MimeType, MimeTypeOpus)
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})
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t.Run("Header Extensions", func(t *testing.T) {
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const headerExtensions = `v=0
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o=- 4596489990601351948 2 IN IP4 127.0.0.1
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s=-
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t=0 0
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m=audio 9 UDP/TLS/RTP/SAVPF 111
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a=extmap:7 urn:ietf:params:rtp-hdrext:sdes:mid
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a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id
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a=rtpmap:111 opus/48000/2
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`
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mediaEngine := MediaEngine{}
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assert.NoError(t, mediaEngine.RegisterDefaultCodecs())
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assert.NoError(t, mediaEngine.RegisterHeaderExtension(
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RTPHeaderExtensionCapability{URI: sdp.SDESMidURI}, RTPCodecTypeAudio),
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)
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assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(headerExtensions)))
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assert.False(t, mediaEngine.negotiatedVideo)
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assert.True(t, mediaEngine.negotiatedAudio)
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absID, absAudioEnabled, absVideoEnabled := mediaEngine.getHeaderExtensionID(
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RTPHeaderExtensionCapability{sdp.ABSSendTimeURI},
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)
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assert.Equal(t, absID, 0)
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assert.False(t, absAudioEnabled)
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assert.False(t, absVideoEnabled)
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midID, midAudioEnabled, midVideoEnabled := mediaEngine.getHeaderExtensionID(
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RTPHeaderExtensionCapability{sdp.SDESMidURI},
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)
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assert.Equal(t, midID, 7)
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assert.True(t, midAudioEnabled)
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assert.False(t, midVideoEnabled)
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})
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t.Run("Different Header Extensions on same codec", func(t *testing.T) {
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const headerExtensions = `v=0
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o=- 4596489990601351948 2 IN IP4 127.0.0.1
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s=-
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t=0 0
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m=audio 9 UDP/TLS/RTP/SAVPF 111
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a=rtpmap:111 opus/48000/2
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m=audio 9 UDP/TLS/RTP/SAVPF 111
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a=extmap:7 urn:ietf:params:rtp-hdrext:sdes:mid
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a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id
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a=rtpmap:111 opus/48000/2
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`
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mediaEngine := MediaEngine{}
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assert.NoError(t, mediaEngine.RegisterDefaultCodecs())
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assert.NoError(t, mediaEngine.RegisterHeaderExtension(
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RTPHeaderExtensionCapability{URI: "urn:ietf:params:rtp-hdrext:sdes:mid"}, RTPCodecTypeAudio,
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))
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assert.NoError(t, mediaEngine.RegisterHeaderExtension(
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RTPHeaderExtensionCapability{URI: "urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id"}, RTPCodecTypeAudio,
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))
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assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(headerExtensions)))
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assert.False(t, mediaEngine.negotiatedVideo)
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assert.True(t, mediaEngine.negotiatedAudio)
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absID, absAudioEnabled, absVideoEnabled := mediaEngine.getHeaderExtensionID(
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RTPHeaderExtensionCapability{sdp.ABSSendTimeURI},
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)
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assert.Equal(t, absID, 0)
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assert.False(t, absAudioEnabled)
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assert.False(t, absVideoEnabled)
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midID, midAudioEnabled, midVideoEnabled := mediaEngine.getHeaderExtensionID(
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RTPHeaderExtensionCapability{sdp.SDESMidURI},
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)
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assert.Equal(t, midID, 7)
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assert.True(t, midAudioEnabled)
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assert.False(t, midVideoEnabled)
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})
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t.Run("Prefers exact codec matches", func(t *testing.T) {
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const profileLevels = `v=0
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o=- 4596489990601351948 2 IN IP4 127.0.0.1
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s=-
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t=0 0
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m=video 60323 UDP/TLS/RTP/SAVPF 96 98
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a=rtpmap:96 H264/90000
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a=fmtp:96 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640c1f
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a=rtpmap:98 H264/90000
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a=fmtp:98 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
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`
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mediaEngine := MediaEngine{}
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assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
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RTPCodecCapability: RTPCodecCapability{
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MimeTypeH264, 90000, 0, "level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f", nil,
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},
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PayloadType: 127,
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}, RTPCodecTypeVideo))
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assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(profileLevels)))
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assert.True(t, mediaEngine.negotiatedVideo)
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assert.False(t, mediaEngine.negotiatedAudio)
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supportedH264, _, err := mediaEngine.getCodecByPayload(98)
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assert.NoError(t, err)
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assert.Equal(t, supportedH264.MimeType, MimeTypeH264)
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_, _, err = mediaEngine.getCodecByPayload(96)
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assert.Error(t, err)
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})
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t.Run("Does not match when fmtpline is set and does not match", func(t *testing.T) {
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const profileLevels = `v=0
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o=- 4596489990601351948 2 IN IP4 127.0.0.1
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s=-
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t=0 0
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m=video 60323 UDP/TLS/RTP/SAVPF 96 98
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a=rtpmap:96 H264/90000
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a=fmtp:96 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640c1f
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`
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mediaEngine := MediaEngine{}
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assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
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RTPCodecCapability: RTPCodecCapability{
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MimeTypeH264, 90000, 0, "level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f", nil,
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},
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PayloadType: 127,
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}, RTPCodecTypeVideo))
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assert.Error(t, mediaEngine.updateFromRemoteDescription(mustParse(profileLevels)))
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_, _, err := mediaEngine.getCodecByPayload(96)
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assert.Error(t, err)
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})
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t.Run("Matches when fmtpline is not set in offer, but exists in mediaengine", func(t *testing.T) {
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const profileLevels = `v=0
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o=- 4596489990601351948 2 IN IP4 127.0.0.1
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s=-
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t=0 0
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m=video 60323 UDP/TLS/RTP/SAVPF 96
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a=rtpmap:96 VP9/90000
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`
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mediaEngine := MediaEngine{}
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assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
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RTPCodecCapability: RTPCodecCapability{MimeTypeVP9, 90000, 0, "profile-id=0", nil},
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PayloadType: 98,
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}, RTPCodecTypeVideo))
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assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(profileLevels)))
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assert.True(t, mediaEngine.negotiatedVideo)
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_, _, err := mediaEngine.getCodecByPayload(96)
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assert.NoError(t, err)
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})
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t.Run("Matches when fmtpline exists in neither", func(t *testing.T) {
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const profileLevels = `v=0
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o=- 4596489990601351948 2 IN IP4 127.0.0.1
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s=-
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t=0 0
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m=video 60323 UDP/TLS/RTP/SAVPF 96
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a=rtpmap:96 VP8/90000
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`
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mediaEngine := MediaEngine{}
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assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
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RTPCodecCapability: RTPCodecCapability{MimeTypeVP8, 90000, 0, "", nil},
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PayloadType: 96,
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}, RTPCodecTypeVideo))
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assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(profileLevels)))
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assert.True(t, mediaEngine.negotiatedVideo)
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_, _, err := mediaEngine.getCodecByPayload(96)
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assert.NoError(t, err)
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})
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t.Run("Matches when rtx apt for exact match codec", func(t *testing.T) {
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const profileLevels = `v=0
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o=- 4596489990601351948 2 IN IP4 127.0.0.1
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s=-
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t=0 0
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m=video 60323 UDP/TLS/RTP/SAVPF 94 95 106 107 108 109 96 97
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a=rtpmap:94 VP8/90000
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a=rtpmap:95 rtx/90000
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a=fmtp:95 apt=94
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a=rtpmap:106 H264/90000
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a=fmtp:106 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
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a=rtpmap:107 rtx/90000
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a=fmtp:107 apt=106
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a=rtpmap:108 H264/90000
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a=fmtp:108 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f
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a=rtpmap:109 rtx/90000
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a=fmtp:109 apt=108
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a=rtpmap:96 VP9/90000
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a=fmtp:96 profile-id=2
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a=rtpmap:97 rtx/90000
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a=fmtp:97 apt=96
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`
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mediaEngine := MediaEngine{}
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assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
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RTPCodecCapability: RTPCodecCapability{MimeTypeVP8, 90000, 0, "", nil},
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PayloadType: 96,
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}, RTPCodecTypeVideo))
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assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
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RTPCodecCapability: RTPCodecCapability{MimeTypeRTX, 90000, 0, "apt=96", nil},
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PayloadType: 97,
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}, RTPCodecTypeVideo))
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assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
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RTPCodecCapability: RTPCodecCapability{
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MimeTypeH264, 90000, 0, "level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f", nil,
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},
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PayloadType: 102,
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}, RTPCodecTypeVideo))
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assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
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RTPCodecCapability: RTPCodecCapability{MimeTypeRTX, 90000, 0, "apt=102", nil},
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PayloadType: 103,
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}, RTPCodecTypeVideo))
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assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
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RTPCodecCapability: RTPCodecCapability{
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MimeTypeH264, 90000, 0, "level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f", nil,
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},
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PayloadType: 104,
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}, RTPCodecTypeVideo))
|
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assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{MimeTypeRTX, 90000, 0, "apt=104", nil},
|
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PayloadType: 105,
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}, RTPCodecTypeVideo))
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assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
|
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RTPCodecCapability: RTPCodecCapability{MimeTypeVP9, 90000, 0, "profile-id=2", nil},
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PayloadType: 98,
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}, RTPCodecTypeVideo))
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assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
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RTPCodecCapability: RTPCodecCapability{MimeTypeRTX, 90000, 0, "apt=98", nil},
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PayloadType: 99,
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}, RTPCodecTypeVideo))
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assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(profileLevels)))
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|
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assert.True(t, mediaEngine.negotiatedVideo)
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|
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vp9Codec, _, err := mediaEngine.getCodecByPayload(96)
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assert.NoError(t, err)
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assert.Equal(t, vp9Codec.MimeType, MimeTypeVP9)
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vp9RTX, _, err := mediaEngine.getCodecByPayload(97)
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assert.NoError(t, err)
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assert.Equal(t, vp9RTX.MimeType, MimeTypeRTX)
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|
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h264P1Codec, _, err := mediaEngine.getCodecByPayload(106)
|
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assert.NoError(t, err)
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assert.Equal(t, h264P1Codec.MimeType, MimeTypeH264)
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assert.Equal(t, h264P1Codec.SDPFmtpLine, "level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f")
|
|
h264P1RTX, _, err := mediaEngine.getCodecByPayload(107)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, h264P1RTX.MimeType, MimeTypeRTX)
|
|
assert.Equal(t, h264P1RTX.SDPFmtpLine, "apt=106")
|
|
|
|
h264P0Codec, _, err := mediaEngine.getCodecByPayload(108)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, h264P0Codec.MimeType, MimeTypeH264)
|
|
assert.Equal(t, h264P0Codec.SDPFmtpLine, "level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f")
|
|
h264P0RTX, _, err := mediaEngine.getCodecByPayload(109)
|
|
assert.NoError(t, err)
|
|
assert.Equal(t, h264P0RTX.MimeType, MimeTypeRTX)
|
|
assert.Equal(t, h264P0RTX.SDPFmtpLine, "apt=108")
|
|
})
|
|
|
|
t.Run("Matches when rtx apt for partial match codec", func(t *testing.T) {
|
|
const profileLevels = `v=0
|
|
o=- 4596489990601351948 2 IN IP4 127.0.0.1
|
|
s=-
|
|
t=0 0
|
|
m=video 60323 UDP/TLS/RTP/SAVPF 94 96 97
|
|
a=rtpmap:94 VP8/90000
|
|
a=rtpmap:96 VP9/90000
|
|
a=fmtp:96 profile-id=2
|
|
a=rtpmap:97 rtx/90000
|
|
a=fmtp:97 apt=96
|
|
`
|
|
mediaEngine := MediaEngine{}
|
|
assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{MimeTypeVP8, 90000, 0, "", nil},
|
|
PayloadType: 94,
|
|
}, RTPCodecTypeVideo))
|
|
assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{MimeTypeVP9, 90000, 0, "profile-id=1", nil},
|
|
PayloadType: 96,
|
|
}, RTPCodecTypeVideo))
|
|
assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{MimeTypeRTX, 90000, 0, "apt=96", nil},
|
|
PayloadType: 97,
|
|
}, RTPCodecTypeVideo))
|
|
assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(profileLevels)))
|
|
|
|
assert.True(t, mediaEngine.negotiatedVideo)
|
|
|
|
_, _, err := mediaEngine.getCodecByPayload(97)
|
|
assert.ErrorIs(t, err, ErrCodecNotFound)
|
|
})
|
|
}
|
|
|
|
func TestMediaEngineHeaderExtensionDirection(t *testing.T) {
|
|
report := test.CheckRoutines(t)
|
|
defer report()
|
|
|
|
registerCodec := func(m *MediaEngine) {
|
|
assert.NoError(t, m.RegisterCodec(
|
|
RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{MimeTypeOpus, 48000, 0, "", nil},
|
|
PayloadType: 111,
|
|
}, RTPCodecTypeAudio))
|
|
}
|
|
|
|
t.Run("No Direction", func(t *testing.T) {
|
|
mediaEngine := &MediaEngine{}
|
|
registerCodec(mediaEngine)
|
|
assert.NoError(t, mediaEngine.RegisterHeaderExtension(
|
|
RTPHeaderExtensionCapability{"pion-header-test"}, RTPCodecTypeAudio,
|
|
))
|
|
|
|
params := mediaEngine.getRTPParametersByKind(
|
|
RTPCodecTypeAudio, []RTPTransceiverDirection{RTPTransceiverDirectionRecvonly},
|
|
)
|
|
|
|
assert.Equal(t, 1, len(params.HeaderExtensions))
|
|
})
|
|
|
|
t.Run("Same Direction", func(t *testing.T) {
|
|
mediaEngine := &MediaEngine{}
|
|
registerCodec(mediaEngine)
|
|
assert.NoError(t, mediaEngine.RegisterHeaderExtension(
|
|
RTPHeaderExtensionCapability{"pion-header-test"}, RTPCodecTypeAudio, RTPTransceiverDirectionRecvonly,
|
|
))
|
|
|
|
params := mediaEngine.getRTPParametersByKind(
|
|
RTPCodecTypeAudio,
|
|
[]RTPTransceiverDirection{RTPTransceiverDirectionRecvonly},
|
|
)
|
|
|
|
assert.Equal(t, 1, len(params.HeaderExtensions))
|
|
})
|
|
|
|
t.Run("Different Direction", func(t *testing.T) {
|
|
mediaEngine := &MediaEngine{}
|
|
registerCodec(mediaEngine)
|
|
assert.NoError(t, mediaEngine.RegisterHeaderExtension(
|
|
RTPHeaderExtensionCapability{"pion-header-test"}, RTPCodecTypeAudio, RTPTransceiverDirectionSendonly,
|
|
))
|
|
|
|
params := mediaEngine.getRTPParametersByKind(
|
|
RTPCodecTypeAudio, []RTPTransceiverDirection{RTPTransceiverDirectionRecvonly},
|
|
)
|
|
|
|
assert.Equal(t, 0, len(params.HeaderExtensions))
|
|
})
|
|
|
|
t.Run("Invalid Direction", func(t *testing.T) {
|
|
mediaEngine := &MediaEngine{}
|
|
registerCodec(mediaEngine)
|
|
|
|
assert.ErrorIs(t, mediaEngine.RegisterHeaderExtension(
|
|
RTPHeaderExtensionCapability{"pion-header-test"}, RTPCodecTypeAudio, RTPTransceiverDirectionSendrecv,
|
|
), ErrRegisterHeaderExtensionInvalidDirection)
|
|
assert.ErrorIs(t, mediaEngine.RegisterHeaderExtension(
|
|
RTPHeaderExtensionCapability{"pion-header-test"}, RTPCodecTypeAudio, RTPTransceiverDirectionInactive,
|
|
), ErrRegisterHeaderExtensionInvalidDirection)
|
|
assert.ErrorIs(t, mediaEngine.RegisterHeaderExtension(
|
|
RTPHeaderExtensionCapability{"pion-header-test"}, RTPCodecTypeAudio, RTPTransceiverDirection(0),
|
|
), ErrRegisterHeaderExtensionInvalidDirection)
|
|
})
|
|
|
|
t.Run("Unique extmapid with different codec", func(t *testing.T) {
|
|
mediaEngine := &MediaEngine{}
|
|
registerCodec(mediaEngine)
|
|
assert.NoError(t, mediaEngine.RegisterHeaderExtension(
|
|
RTPHeaderExtensionCapability{"pion-header-test"}, RTPCodecTypeAudio),
|
|
)
|
|
assert.NoError(t, mediaEngine.RegisterHeaderExtension(
|
|
RTPHeaderExtensionCapability{"pion-header-test2"}, RTPCodecTypeVideo),
|
|
)
|
|
|
|
audio := mediaEngine.getRTPParametersByKind(
|
|
RTPCodecTypeAudio, []RTPTransceiverDirection{RTPTransceiverDirectionRecvonly},
|
|
)
|
|
video := mediaEngine.getRTPParametersByKind(
|
|
RTPCodecTypeVideo, []RTPTransceiverDirection{RTPTransceiverDirectionRecvonly},
|
|
)
|
|
|
|
assert.Equal(t, 1, len(audio.HeaderExtensions))
|
|
assert.Equal(t, 1, len(video.HeaderExtensions))
|
|
assert.NotEqual(t, audio.HeaderExtensions[0].ID, video.HeaderExtensions[0].ID)
|
|
})
|
|
}
|
|
|
|
// If a user attempts to register a codec twice we should just discard duplicate calls.
|
|
func TestMediaEngineDoubleRegister(t *testing.T) {
|
|
t.Run("Same Codec", func(t *testing.T) {
|
|
mediaEngine := MediaEngine{}
|
|
|
|
assert.NoError(t, mediaEngine.RegisterCodec(
|
|
RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{MimeTypeOpus, 48000, 0, "", nil},
|
|
PayloadType: 111,
|
|
}, RTPCodecTypeAudio))
|
|
|
|
assert.NoError(t, mediaEngine.RegisterCodec(
|
|
RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{MimeTypeOpus, 48000, 0, "", nil},
|
|
PayloadType: 111,
|
|
}, RTPCodecTypeAudio))
|
|
|
|
assert.Equal(t, len(mediaEngine.audioCodecs), 1)
|
|
})
|
|
|
|
t.Run("Case Insensitive Audio Codec", func(t *testing.T) {
|
|
mediaEngine := MediaEngine{}
|
|
|
|
assert.NoError(t, mediaEngine.RegisterCodec(
|
|
RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{"audio/OPUS", 48000, 0, "", nil},
|
|
PayloadType: 111,
|
|
}, RTPCodecTypeAudio))
|
|
|
|
assert.NoError(t, mediaEngine.RegisterCodec(
|
|
RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{"audio/opus", 48000, 0, "", nil},
|
|
PayloadType: 111,
|
|
}, RTPCodecTypeAudio))
|
|
|
|
assert.Equal(t, len(mediaEngine.audioCodecs), 1)
|
|
})
|
|
|
|
t.Run("Case Insensitive Video Codec", func(t *testing.T) {
|
|
mediaEngine := MediaEngine{}
|
|
|
|
assert.NoError(t, mediaEngine.RegisterCodec(
|
|
RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{strings.ToUpper(MimeTypeRTX), 90000, 0, "", nil},
|
|
PayloadType: 98,
|
|
}, RTPCodecTypeVideo))
|
|
assert.NoError(t, mediaEngine.RegisterCodec(
|
|
RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{MimeTypeRTX, 90000, 0, "", nil},
|
|
PayloadType: 98,
|
|
}, RTPCodecTypeVideo))
|
|
assert.NoError(t, mediaEngine.RegisterCodec(
|
|
RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{strings.ToUpper(MimeTypeFlexFEC), 90000, 0, "", nil},
|
|
PayloadType: 100,
|
|
}, RTPCodecTypeVideo))
|
|
assert.NoError(t, mediaEngine.RegisterCodec(
|
|
RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{MimeTypeFlexFEC, 90000, 0, "", nil},
|
|
PayloadType: 100,
|
|
}, RTPCodecTypeVideo))
|
|
assert.Equal(t, len(mediaEngine.videoCodecs), 2)
|
|
isRTX := mediaEngine.isRTXEnabled(RTPCodecTypeVideo, []RTPTransceiverDirection{RTPTransceiverDirectionRecvonly})
|
|
assert.True(t, isRTX)
|
|
isFEC := mediaEngine.isFECEnabled(RTPCodecTypeVideo, []RTPTransceiverDirection{RTPTransceiverDirectionRecvonly})
|
|
assert.True(t, isFEC)
|
|
})
|
|
}
|
|
|
|
// If a user attempts to register a codec with same payload but with different
|
|
// codec we should just discard duplicate calls.
|
|
func TestMediaEngineDoubleRegisterDifferentCodec(t *testing.T) {
|
|
mediaEngine := MediaEngine{}
|
|
|
|
assert.NoError(t, mediaEngine.RegisterCodec(
|
|
RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{MimeTypeG722, 8000, 0, "", nil},
|
|
PayloadType: 111,
|
|
}, RTPCodecTypeAudio))
|
|
|
|
assert.Error(t, ErrCodecAlreadyRegistered, mediaEngine.RegisterCodec(
|
|
RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{MimeTypeOpus, 48000, 0, "", nil},
|
|
PayloadType: 111,
|
|
}, RTPCodecTypeAudio))
|
|
|
|
assert.Equal(t, len(mediaEngine.audioCodecs), 1)
|
|
}
|
|
|
|
// The cloned MediaEngine instance should be able to update negotiated header extensions.
|
|
func TestUpdateHeaderExtenstionToClonedMediaEngine(t *testing.T) {
|
|
src := MediaEngine{}
|
|
|
|
assert.NoError(t, src.RegisterCodec(
|
|
RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{MimeTypeOpus, 48000, 0, "", nil},
|
|
PayloadType: 111,
|
|
}, RTPCodecTypeAudio))
|
|
|
|
assert.NoError(t, src.RegisterHeaderExtension(RTPHeaderExtensionCapability{"test-extension"}, RTPCodecTypeAudio))
|
|
|
|
validate := func(m *MediaEngine) {
|
|
assert.NoError(t, m.updateHeaderExtension(2, "test-extension", RTPCodecTypeAudio))
|
|
|
|
id, audioNegotiated, videoNegotiated := m.getHeaderExtensionID(RTPHeaderExtensionCapability{URI: "test-extension"})
|
|
assert.Equal(t, 2, id)
|
|
assert.True(t, audioNegotiated)
|
|
assert.False(t, videoNegotiated)
|
|
}
|
|
|
|
validate(&src)
|
|
validate(src.copy())
|
|
}
|
|
|
|
func TestExtensionIdCollision(t *testing.T) {
|
|
mustParse := func(raw string) sdp.SessionDescription {
|
|
s := sdp.SessionDescription{}
|
|
assert.NoError(t, s.Unmarshal([]byte(raw)))
|
|
|
|
return s
|
|
}
|
|
sdpSnippet := `v=0
|
|
o=- 4596489990601351948 2 IN IP4 127.0.0.1
|
|
s=-
|
|
t=0 0
|
|
m=audio 9 UDP/TLS/RTP/SAVPF 111
|
|
a=extmap:2 urn:ietf:params:rtp-hdrext:sdes:mid
|
|
a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level
|
|
a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id
|
|
a=rtpmap:111 opus/48000/2
|
|
`
|
|
|
|
mediaEngine := MediaEngine{}
|
|
assert.NoError(t, mediaEngine.RegisterDefaultCodecs())
|
|
|
|
assert.NoError(
|
|
t, mediaEngine.RegisterHeaderExtension(
|
|
RTPHeaderExtensionCapability{sdp.SDESMidURI}, RTPCodecTypeVideo,
|
|
),
|
|
)
|
|
assert.NoError(
|
|
t, mediaEngine.RegisterHeaderExtension(
|
|
RTPHeaderExtensionCapability{"urn:3gpp:video-orientation"}, RTPCodecTypeVideo,
|
|
),
|
|
)
|
|
|
|
assert.NoError(
|
|
t, mediaEngine.RegisterHeaderExtension(RTPHeaderExtensionCapability{sdp.SDESMidURI}, RTPCodecTypeAudio),
|
|
)
|
|
assert.NoError(
|
|
t, mediaEngine.RegisterHeaderExtension(RTPHeaderExtensionCapability{sdp.AudioLevelURI}, RTPCodecTypeAudio),
|
|
)
|
|
|
|
assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(sdpSnippet)))
|
|
|
|
assert.True(t, mediaEngine.negotiatedAudio)
|
|
assert.False(t, mediaEngine.negotiatedVideo)
|
|
|
|
id, audioNegotiated, videoNegotiated := mediaEngine.getHeaderExtensionID(RTPHeaderExtensionCapability{
|
|
sdp.ABSSendTimeURI,
|
|
})
|
|
assert.Equal(t, id, 0)
|
|
assert.False(t, audioNegotiated)
|
|
assert.False(t, videoNegotiated)
|
|
|
|
id, audioNegotiated, videoNegotiated = mediaEngine.getHeaderExtensionID(RTPHeaderExtensionCapability{
|
|
sdp.SDESMidURI,
|
|
})
|
|
assert.Equal(t, id, 2)
|
|
assert.True(t, audioNegotiated)
|
|
assert.False(t, videoNegotiated)
|
|
|
|
id, audioNegotiated, videoNegotiated = mediaEngine.getHeaderExtensionID(RTPHeaderExtensionCapability{
|
|
sdp.AudioLevelURI,
|
|
})
|
|
assert.Equal(t, id, 1)
|
|
assert.True(t, audioNegotiated)
|
|
assert.False(t, videoNegotiated)
|
|
|
|
params := mediaEngine.getRTPParametersByKind(
|
|
RTPCodecTypeVideo,
|
|
[]RTPTransceiverDirection{RTPTransceiverDirectionSendonly},
|
|
)
|
|
extensions := params.HeaderExtensions
|
|
|
|
assert.Equal(t, 2, len(extensions))
|
|
|
|
midIndex := -1
|
|
if extensions[0].URI == sdp.SDESMidURI {
|
|
midIndex = 0
|
|
} else if extensions[1].URI == sdp.SDESMidURI {
|
|
midIndex = 1
|
|
}
|
|
|
|
voIndex := -1
|
|
if extensions[0].URI == "urn:3gpp:video-orientation" {
|
|
voIndex = 0
|
|
} else if extensions[1].URI == "urn:3gpp:video-orientation" {
|
|
voIndex = 1
|
|
}
|
|
|
|
assert.NotEqual(t, midIndex, -1)
|
|
assert.NotEqual(t, voIndex, -1)
|
|
|
|
assert.Equal(t, 2, extensions[midIndex].ID)
|
|
assert.NotEqual(t, 1, extensions[voIndex].ID)
|
|
assert.NotEqual(t, 2, extensions[voIndex].ID)
|
|
assert.NotEqual(t, 5, extensions[voIndex].ID)
|
|
}
|
|
|
|
func TestCaseInsensitiveMimeType(t *testing.T) {
|
|
const offerSdp = `
|
|
v=0
|
|
o=- 8448668841136641781 4 IN IP4 127.0.0.1
|
|
s=-
|
|
t=0 0
|
|
a=group:BUNDLE 1
|
|
a=extmap-allow-mixed
|
|
a=msid-semantic: WMS 4beea6b0-cf95-449c-a1ec-78e16b247426
|
|
m=video 9 UDP/TLS/RTP/SAVPF 96 127
|
|
c=IN IP4 0.0.0.0
|
|
a=rtcp:9 IN IP4 0.0.0.0
|
|
a=ice-ufrag:1/MvHwjAyVf27aLu
|
|
a=ice-pwd:3dBU7cFOBl120v33cynDvN1E
|
|
a=ice-options:google-ice
|
|
a=fingerprint:sha-256 75:74:5A:A6:A4:E5:52:F4:A7:67:4C:01:C7:EE:91:3F:21:3D:A2:E3:53:7B:6F:30:86:F2:30:AA:65:FB:04:24
|
|
a=setup:actpass
|
|
a=mid:1
|
|
a=sendonly
|
|
a=rtpmap:96 VP8/90000
|
|
a=rtcp-fb:96 goog-remb
|
|
a=rtcp-fb:96 transport-cc
|
|
a=rtcp-fb:96 ccm fir
|
|
a=rtcp-fb:96 nack
|
|
a=rtcp-fb:96 nack pli
|
|
a=rtpmap:127 H264/90000
|
|
a=rtcp-fb:127 goog-remb
|
|
a=rtcp-fb:127 transport-cc
|
|
a=rtcp-fb:127 ccm fir
|
|
a=rtcp-fb:127 nack
|
|
a=rtcp-fb:127 nack pli
|
|
a=fmtp:127 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
|
|
|
|
`
|
|
|
|
for _, mimeTypeVp8 := range []string{
|
|
"video/vp8",
|
|
"video/VP8",
|
|
} {
|
|
t.Run(fmt.Sprintf("MimeType: %s", mimeTypeVp8), func(t *testing.T) {
|
|
me := &MediaEngine{}
|
|
feedback := []RTCPFeedback{
|
|
{Type: TypeRTCPFBTransportCC},
|
|
{Type: TypeRTCPFBCCM, Parameter: "fir"},
|
|
{Type: TypeRTCPFBNACK},
|
|
{Type: TypeRTCPFBNACK, Parameter: "pli"},
|
|
}
|
|
|
|
for _, codec := range []RTPCodecParameters{
|
|
{
|
|
RTPCodecCapability: RTPCodecCapability{
|
|
MimeType: mimeTypeVp8, ClockRate: 90000, RTCPFeedback: feedback,
|
|
},
|
|
PayloadType: 96,
|
|
},
|
|
{
|
|
RTPCodecCapability: RTPCodecCapability{
|
|
MimeType: "video/h264",
|
|
ClockRate: 90000,
|
|
SDPFmtpLine: "level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f",
|
|
RTCPFeedback: feedback,
|
|
},
|
|
PayloadType: 127,
|
|
},
|
|
} {
|
|
assert.NoError(t, me.RegisterCodec(codec, RTPCodecTypeVideo))
|
|
}
|
|
|
|
api := NewAPI(WithMediaEngine(me))
|
|
pc, err := api.NewPeerConnection(Configuration{
|
|
SDPSemantics: SDPSemanticsUnifiedPlan,
|
|
})
|
|
assert.NoError(t, err)
|
|
|
|
offer := SessionDescription{
|
|
Type: SDPTypeOffer,
|
|
SDP: offerSdp,
|
|
}
|
|
|
|
assert.NoError(t, pc.SetRemoteDescription(offer))
|
|
answer, err := pc.CreateAnswer(nil)
|
|
assert.NoError(t, err)
|
|
assert.NotNil(t, answer)
|
|
assert.NoError(t, pc.SetLocalDescription(answer))
|
|
assert.True(t, strings.Contains(answer.SDP, "VP8") || strings.Contains(answer.SDP, "vp8"))
|
|
|
|
assert.NoError(t, pc.Close())
|
|
})
|
|
}
|
|
}
|
|
|
|
// rtcp-fb should be an intersection of local and remote.
|
|
func TestRTCPFeedbackHandling(t *testing.T) {
|
|
const offerSdp = `
|
|
v=0
|
|
o=- 8448668841136641781 4 IN IP4 127.0.0.1
|
|
s=-
|
|
t=0 0
|
|
a=group:BUNDLE 0
|
|
a=extmap-allow-mixed
|
|
a=msid-semantic: WMS 4beea6b0-cf95-449c-a1ec-78e16b247426
|
|
m=video 9 UDP/TLS/RTP/SAVPF 96
|
|
c=IN IP4 0.0.0.0
|
|
a=rtcp:9 IN IP4 0.0.0.0
|
|
a=ice-ufrag:1/MvHwjAyVf27aLu
|
|
a=ice-pwd:3dBU7cFOBl120v33cynDvN1E
|
|
a=ice-options:google-ice
|
|
a=fingerprint:sha-256 75:74:5A:A6:A4:E5:52:F4:A7:67:4C:01:C7:EE:91:3F:21:3D:A2:E3:53:7B:6F:30:86:F2:30:AA:65:FB:04:24
|
|
a=setup:actpass
|
|
a=mid:0
|
|
a=sendrecv
|
|
a=rtpmap:96 VP8/90000
|
|
a=rtcp-fb:96 goog-remb
|
|
a=rtcp-fb:96 nack
|
|
`
|
|
|
|
runTest := func(t *testing.T, createTransceiver bool) {
|
|
t.Helper()
|
|
|
|
mediaEngine := &MediaEngine{}
|
|
assert.NoError(t, mediaEngine.RegisterCodec(RTPCodecParameters{
|
|
RTPCodecCapability: RTPCodecCapability{MimeType: MimeTypeVP8, ClockRate: 90000, RTCPFeedback: []RTCPFeedback{
|
|
{Type: TypeRTCPFBTransportCC},
|
|
{Type: TypeRTCPFBNACK},
|
|
}},
|
|
PayloadType: 96,
|
|
}, RTPCodecTypeVideo))
|
|
|
|
peerConnection, err := NewAPI(WithMediaEngine(mediaEngine)).NewPeerConnection(Configuration{})
|
|
assert.NoError(t, err)
|
|
|
|
if createTransceiver {
|
|
_, err = peerConnection.AddTransceiverFromKind(RTPCodecTypeVideo)
|
|
assert.NoError(t, err)
|
|
}
|
|
|
|
assert.NoError(t, peerConnection.SetRemoteDescription(SessionDescription{
|
|
Type: SDPTypeOffer,
|
|
SDP: offerSdp,
|
|
},
|
|
))
|
|
|
|
answer, err := peerConnection.CreateAnswer(nil)
|
|
assert.NoError(t, err)
|
|
|
|
// Both clients support
|
|
assert.True(t, strings.Contains(answer.SDP, "a=rtcp-fb:96 nack"))
|
|
|
|
// Only one client supports
|
|
assert.False(t, strings.Contains(answer.SDP, "a=rtcp-fb:96 goog-remb"))
|
|
assert.False(t, strings.Contains(answer.SDP, "a=rtcp-fb:96 transport-cc"))
|
|
|
|
assert.NoError(t, peerConnection.Close())
|
|
}
|
|
|
|
t.Run("recvonly", func(t *testing.T) {
|
|
runTest(t, false)
|
|
})
|
|
|
|
t.Run("sendrecv", func(t *testing.T) {
|
|
runTest(t, true)
|
|
})
|
|
}
|
|
|
|
func TestMultiCodecNegotiation(t *testing.T) {
|
|
const offerSdp = `v=0
|
|
o=- 781500112831855234 6 IN IP4 127.0.0.1
|
|
s=-
|
|
t=0 0
|
|
a=group:BUNDLE 0 1 2 3
|
|
a=extmap-allow-mixed
|
|
a=msid-semantic: WMS be0216be-f3d8-40ca-a624-379edf70f1c9
|
|
m=application 53555 UDP/DTLS/SCTP webrtc-datachannel
|
|
a=mid:0
|
|
a=sctp-port:5000
|
|
a=max-message-size:262144
|
|
m=video 9 UDP/TLS/RTP/SAVPF 98
|
|
a=mid:1
|
|
a=sendonly
|
|
a=msid:be0216be-f3d8-40ca-a624-379edf70f1c9 3d032b3b-ffe5-48ec-b783-21375668d1c3
|
|
a=rtcp-mux
|
|
a=rtcp-rsize
|
|
a=rtpmap:98 VP9/90000
|
|
a=rtcp-fb:98 goog-remb
|
|
a=rtcp-fb:98 transport-cc
|
|
a=rtcp-fb:98 ccm fir
|
|
a=rtcp-fb:98 nack
|
|
a=rtcp-fb:98 nack pli
|
|
a=fmtp:98 profile-id=0
|
|
a=rid:q send
|
|
a=rid:h send
|
|
a=simulcast:send q;h
|
|
m=video 9 UDP/TLS/RTP/SAVPF 96
|
|
a=mid:2
|
|
a=sendonly
|
|
a=msid:6ff05509-be96-4ef1-a74f-425e14720983 16d5d7fe-d076-4718-9ca9-ec62b4543727
|
|
a=rtcp-mux
|
|
a=rtcp-rsize
|
|
a=rtpmap:96 VP8/90000
|
|
a=rtcp-fb:96 goog-remb
|
|
a=rtcp-fb:96 transport-cc
|
|
a=rtcp-fb:96 ccm fir
|
|
a=rtcp-fb:96 nack
|
|
a=rtcp-fb:96 nack pli
|
|
a=ssrc:4281768245 cname:JDM9GNMEg+9To6K7
|
|
a=ssrc:4281768245 msid:6ff05509-be96-4ef1-a74f-425e14720983 16d5d7fe-d076-4718-9ca9-ec62b4543727
|
|
`
|
|
mustParse := func(raw string) sdp.SessionDescription {
|
|
s := sdp.SessionDescription{}
|
|
assert.NoError(t, s.Unmarshal([]byte(raw)))
|
|
|
|
return s
|
|
}
|
|
t.Run("Multi codec negotiation disabled", func(t *testing.T) {
|
|
mediaEngine := MediaEngine{}
|
|
assert.NoError(t, mediaEngine.RegisterDefaultCodecs())
|
|
assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(offerSdp)))
|
|
assert.Len(t, mediaEngine.negotiatedVideoCodecs, 1)
|
|
})
|
|
t.Run("Multi codec negotiation enabled", func(t *testing.T) {
|
|
mediaEngine := MediaEngine{}
|
|
mediaEngine.setMultiCodecNegotiation(true)
|
|
assert.True(t, mediaEngine.multiCodecNegotiation())
|
|
assert.NoError(t, mediaEngine.RegisterDefaultCodecs())
|
|
assert.NoError(t, mediaEngine.updateFromRemoteDescription(mustParse(offerSdp)))
|
|
assert.Len(t, mediaEngine.negotiatedVideoCodecs, 2)
|
|
})
|
|
}
|