Files
webrtc/mediaengine_test.go
Sean DuBois 9c6604df0a Drop calls to RegisterDefaultCodecs in tests
Not needed anymore
2024-07-18 16:14:23 -04:00

725 lines
24 KiB
Go

// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
// SPDX-License-Identifier: MIT
//go:build !js
// +build !js
package webrtc
import (
"fmt"
"regexp"
"strings"
"testing"
"github.com/pion/sdp/v3"
"github.com/pion/transport/v3/test"
"github.com/stretchr/testify/assert"
)
// pion/webrtc#1078
func TestOpusCase(t *testing.T) {
pc, err := NewPeerConnection(Configuration{})
assert.NoError(t, err)
_, err = pc.AddTransceiverFromKind(RTPCodecTypeAudio)
assert.NoError(t, err)
offer, err := pc.CreateOffer(nil)
assert.NoError(t, err)
assert.True(t, regexp.MustCompile(`(?m)^a=rtpmap:\d+ opus/48000/2`).MatchString(offer.SDP))
assert.NoError(t, pc.Close())
}
// pion/example-webrtc-applications#89
func TestVideoCase(t *testing.T) {
pc, err := NewPeerConnection(Configuration{})
assert.NoError(t, err)
_, err = pc.AddTransceiverFromKind(RTPCodecTypeVideo)
assert.NoError(t, err)
offer, err := pc.CreateOffer(nil)
assert.NoError(t, err)
assert.True(t, regexp.MustCompile(`(?m)^a=rtpmap:\d+ H264/90000`).MatchString(offer.SDP))
assert.True(t, regexp.MustCompile(`(?m)^a=rtpmap:\d+ VP8/90000`).MatchString(offer.SDP))
assert.True(t, regexp.MustCompile(`(?m)^a=rtpmap:\d+ VP9/90000`).MatchString(offer.SDP))
assert.NoError(t, pc.Close())
}
func TestMediaEngineRemoteDescription(t *testing.T) {
mustParse := func(raw string) sdp.SessionDescription {
s := sdp.SessionDescription{}
assert.NoError(t, s.Unmarshal([]byte(raw)))
return s
}
t.Run("No Media", func(t *testing.T) {
const noMedia = `v=0
o=- 4596489990601351948 2 IN IP4 127.0.0.1
s=-
t=0 0
`
m := MediaEngine{}
assert.NoError(t, m.RegisterDefaultCodecs())
assert.NoError(t, m.updateFromRemoteDescription(mustParse(noMedia)))
assert.False(t, m.negotiatedVideo)
assert.False(t, m.negotiatedAudio)
})
t.Run("Enable Opus", func(t *testing.T) {
const opusSamePayload = `v=0
o=- 4596489990601351948 2 IN IP4 127.0.0.1
s=-
t=0 0
m=audio 9 UDP/TLS/RTP/SAVPF 111
a=rtpmap:111 opus/48000/2
a=fmtp:111 minptime=10; useinbandfec=1
`
m := MediaEngine{}
assert.NoError(t, m.RegisterDefaultCodecs())
assert.NoError(t, m.updateFromRemoteDescription(mustParse(opusSamePayload)))
assert.False(t, m.negotiatedVideo)
assert.True(t, m.negotiatedAudio)
opusCodec, _, err := m.getCodecByPayload(111)
assert.NoError(t, err)
assert.Equal(t, opusCodec.MimeType, MimeTypeOpus)
})
t.Run("Change Payload Type", func(t *testing.T) {
const opusSamePayload = `v=0
o=- 4596489990601351948 2 IN IP4 127.0.0.1
s=-
t=0 0
m=audio 9 UDP/TLS/RTP/SAVPF 112
a=rtpmap:112 opus/48000/2
a=fmtp:112 minptime=10; useinbandfec=1
`
m := MediaEngine{}
assert.NoError(t, m.RegisterDefaultCodecs())
assert.NoError(t, m.updateFromRemoteDescription(mustParse(opusSamePayload)))
assert.False(t, m.negotiatedVideo)
assert.True(t, m.negotiatedAudio)
_, _, err := m.getCodecByPayload(111)
assert.Error(t, err)
opusCodec, _, err := m.getCodecByPayload(112)
assert.NoError(t, err)
assert.Equal(t, opusCodec.MimeType, MimeTypeOpus)
})
t.Run("Ambiguous Payload Type", func(t *testing.T) {
const opusSamePayload = `v=0
o=- 4596489990601351948 2 IN IP4 127.0.0.1
s=-
t=0 0
m=audio 9 UDP/TLS/RTP/SAVPF 96
a=rtpmap:96 opus/48000/2
a=fmtp:96 minptime=10; useinbandfec=1
`
m := MediaEngine{}
assert.NoError(t, m.RegisterDefaultCodecs())
assert.NoError(t, m.updateFromRemoteDescription(mustParse(opusSamePayload)))
assert.False(t, m.negotiatedVideo)
assert.True(t, m.negotiatedAudio)
opusCodec, _, err := m.getCodecByPayload(96)
assert.NoError(t, err)
assert.Equal(t, opusCodec.MimeType, MimeTypeOpus)
})
t.Run("Case Insensitive", func(t *testing.T) {
const opusUpcase = `v=0
o=- 4596489990601351948 2 IN IP4 127.0.0.1
s=-
t=0 0
m=audio 9 UDP/TLS/RTP/SAVPF 111
a=rtpmap:111 OPUS/48000/2
a=fmtp:111 minptime=10; useinbandfec=1
`
m := MediaEngine{}
assert.NoError(t, m.RegisterDefaultCodecs())
assert.NoError(t, m.updateFromRemoteDescription(mustParse(opusUpcase)))
assert.False(t, m.negotiatedVideo)
assert.True(t, m.negotiatedAudio)
opusCodec, _, err := m.getCodecByPayload(111)
assert.NoError(t, err)
assert.Equal(t, opusCodec.MimeType, "audio/OPUS")
})
t.Run("Handle different fmtp", func(t *testing.T) {
const opusNoFmtp = `v=0
o=- 4596489990601351948 2 IN IP4 127.0.0.1
s=-
t=0 0
m=audio 9 UDP/TLS/RTP/SAVPF 111
a=rtpmap:111 opus/48000/2
`
m := MediaEngine{}
assert.NoError(t, m.RegisterDefaultCodecs())
assert.NoError(t, m.updateFromRemoteDescription(mustParse(opusNoFmtp)))
assert.False(t, m.negotiatedVideo)
assert.True(t, m.negotiatedAudio)
opusCodec, _, err := m.getCodecByPayload(111)
assert.NoError(t, err)
assert.Equal(t, opusCodec.MimeType, MimeTypeOpus)
})
t.Run("Header Extensions", func(t *testing.T) {
const headerExtensions = `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:7 urn:ietf:params:rtp-hdrext:sdes:mid
a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id
a=rtpmap:111 opus/48000/2
`
m := MediaEngine{}
assert.NoError(t, m.RegisterDefaultCodecs())
assert.NoError(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{URI: sdp.SDESMidURI}, RTPCodecTypeAudio))
assert.NoError(t, m.updateFromRemoteDescription(mustParse(headerExtensions)))
assert.False(t, m.negotiatedVideo)
assert.True(t, m.negotiatedAudio)
absID, absAudioEnabled, absVideoEnabled := m.getHeaderExtensionID(RTPHeaderExtensionCapability{sdp.ABSSendTimeURI})
assert.Equal(t, absID, 0)
assert.False(t, absAudioEnabled)
assert.False(t, absVideoEnabled)
midID, midAudioEnabled, midVideoEnabled := m.getHeaderExtensionID(RTPHeaderExtensionCapability{sdp.SDESMidURI})
assert.Equal(t, midID, 7)
assert.True(t, midAudioEnabled)
assert.False(t, midVideoEnabled)
})
t.Run("Different Header Extensions on same codec", func(t *testing.T) {
const headerExtensions = `v=0
o=- 4596489990601351948 2 IN IP4 127.0.0.1
s=-
t=0 0
m=audio 9 UDP/TLS/RTP/SAVPF 111
a=rtpmap:111 opus/48000/2
m=audio 9 UDP/TLS/RTP/SAVPF 111
a=extmap:7 urn:ietf:params:rtp-hdrext:sdes:mid
a=extmap:5 urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id
a=rtpmap:111 opus/48000/2
`
m := MediaEngine{}
assert.NoError(t, m.RegisterDefaultCodecs())
assert.NoError(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{URI: "urn:ietf:params:rtp-hdrext:sdes:mid"}, RTPCodecTypeAudio))
assert.NoError(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{URI: "urn:ietf:params:rtp-hdrext:sdes:rtp-stream-id"}, RTPCodecTypeAudio))
assert.NoError(t, m.updateFromRemoteDescription(mustParse(headerExtensions)))
assert.False(t, m.negotiatedVideo)
assert.True(t, m.negotiatedAudio)
absID, absAudioEnabled, absVideoEnabled := m.getHeaderExtensionID(RTPHeaderExtensionCapability{sdp.ABSSendTimeURI})
assert.Equal(t, absID, 0)
assert.False(t, absAudioEnabled)
assert.False(t, absVideoEnabled)
midID, midAudioEnabled, midVideoEnabled := m.getHeaderExtensionID(RTPHeaderExtensionCapability{sdp.SDESMidURI})
assert.Equal(t, midID, 7)
assert.True(t, midAudioEnabled)
assert.False(t, midVideoEnabled)
})
t.Run("Prefers exact codec matches", 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 96 98
a=rtpmap:96 H264/90000
a=fmtp:96 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640c1f
a=rtpmap:98 H264/90000
a=fmtp:98 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f
`
m := MediaEngine{}
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{MimeTypeH264, 90000, 0, "level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f", nil},
PayloadType: 127,
}, RTPCodecTypeVideo))
assert.NoError(t, m.updateFromRemoteDescription(mustParse(profileLevels)))
assert.True(t, m.negotiatedVideo)
assert.False(t, m.negotiatedAudio)
supportedH264, _, err := m.getCodecByPayload(98)
assert.NoError(t, err)
assert.Equal(t, supportedH264.MimeType, MimeTypeH264)
_, _, err = m.getCodecByPayload(96)
assert.Error(t, err)
})
t.Run("Does not match when fmtpline is set and does not match", 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 96 98
a=rtpmap:96 H264/90000
a=fmtp:96 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=640c1f
`
m := MediaEngine{}
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{MimeTypeH264, 90000, 0, "level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42e01f", nil},
PayloadType: 127,
}, RTPCodecTypeVideo))
assert.Error(t, m.updateFromRemoteDescription(mustParse(profileLevels)))
_, _, err := m.getCodecByPayload(96)
assert.Error(t, err)
})
t.Run("Matches when fmtpline is not set in offer, but exists in mediaengine", 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 96
a=rtpmap:96 VP9/90000
`
m := MediaEngine{}
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{MimeTypeVP9, 90000, 0, "profile-id=0", nil},
PayloadType: 98,
}, RTPCodecTypeVideo))
assert.NoError(t, m.updateFromRemoteDescription(mustParse(profileLevels)))
assert.True(t, m.negotiatedVideo)
_, _, err := m.getCodecByPayload(96)
assert.NoError(t, err)
})
t.Run("Matches when fmtpline exists in neither", 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 96
a=rtpmap:96 VP8/90000
`
m := MediaEngine{}
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{MimeTypeVP8, 90000, 0, "", nil},
PayloadType: 96,
}, RTPCodecTypeVideo))
assert.NoError(t, m.updateFromRemoteDescription(mustParse(profileLevels)))
assert.True(t, m.negotiatedVideo)
_, _, err := m.getCodecByPayload(96)
assert.NoError(t, err)
})
t.Run("Matches when rtx apt for exact 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 95 106 107 108 109 96 97
a=rtpmap:94 VP8/90000
a=rtpmap:95 rtx/90000
a=fmtp:95 apt=94
a=rtpmap:106 H264/90000
a=fmtp:106 level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f
a=rtpmap:107 rtx/90000
a=fmtp:107 apt=106
a=rtpmap:108 H264/90000
a=fmtp:108 level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f
a=rtpmap:109 rtx/90000
a=fmtp:109 apt=108
a=rtpmap:96 VP9/90000
a=fmtp:96 profile-id=2
a=rtpmap:97 rtx/90000
a=fmtp:97 apt=96
`
m := MediaEngine{}
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{MimeTypeVP8, 90000, 0, "", nil},
PayloadType: 96,
}, RTPCodecTypeVideo))
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{"video/rtx", 90000, 0, "apt=96", nil},
PayloadType: 97,
}, RTPCodecTypeVideo))
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{MimeTypeH264, 90000, 0, "level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f", nil},
PayloadType: 102,
}, RTPCodecTypeVideo))
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{"video/rtx", 90000, 0, "apt=102", nil},
PayloadType: 103,
}, RTPCodecTypeVideo))
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{MimeTypeH264, 90000, 0, "level-asymmetry-allowed=1;packetization-mode=0;profile-level-id=42001f", nil},
PayloadType: 104,
}, RTPCodecTypeVideo))
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{"video/rtx", 90000, 0, "apt=104", nil},
PayloadType: 105,
}, RTPCodecTypeVideo))
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{MimeTypeVP9, 90000, 0, "profile-id=2", nil},
PayloadType: 98,
}, RTPCodecTypeVideo))
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{"video/rtx", 90000, 0, "apt=98", nil},
PayloadType: 99,
}, RTPCodecTypeVideo))
assert.NoError(t, m.updateFromRemoteDescription(mustParse(profileLevels)))
assert.True(t, m.negotiatedVideo)
vp9Codec, _, err := m.getCodecByPayload(96)
assert.NoError(t, err)
assert.Equal(t, vp9Codec.MimeType, MimeTypeVP9)
vp9RTX, _, err := m.getCodecByPayload(97)
assert.NoError(t, err)
assert.Equal(t, vp9RTX.MimeType, "video/rtx")
h264P1Codec, _, err := m.getCodecByPayload(106)
assert.NoError(t, err)
assert.Equal(t, h264P1Codec.MimeType, MimeTypeH264)
assert.Equal(t, h264P1Codec.SDPFmtpLine, "level-asymmetry-allowed=1;packetization-mode=1;profile-level-id=42001f")
h264P1RTX, _, err := m.getCodecByPayload(107)
assert.NoError(t, err)
assert.Equal(t, h264P1RTX.MimeType, "video/rtx")
assert.Equal(t, h264P1RTX.SDPFmtpLine, "apt=106")
h264P0Codec, _, err := m.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 := m.getCodecByPayload(109)
assert.NoError(t, err)
assert.Equal(t, h264P0RTX.MimeType, "video/rtx")
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
`
m := MediaEngine{}
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{MimeTypeVP8, 90000, 0, "", nil},
PayloadType: 94,
}, RTPCodecTypeVideo))
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{MimeTypeVP9, 90000, 0, "profile-id=1", nil},
PayloadType: 96,
}, RTPCodecTypeVideo))
assert.NoError(t, m.RegisterCodec(RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{"video/rtx", 90000, 0, "apt=96", nil},
PayloadType: 97,
}, RTPCodecTypeVideo))
assert.NoError(t, m.updateFromRemoteDescription(mustParse(profileLevels)))
assert.True(t, m.negotiatedVideo)
_, _, err := m.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) {
m := &MediaEngine{}
registerCodec(m)
assert.NoError(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{"pion-header-test"}, RTPCodecTypeAudio))
params := m.getRTPParametersByKind(RTPCodecTypeAudio, []RTPTransceiverDirection{RTPTransceiverDirectionRecvonly})
assert.Equal(t, 1, len(params.HeaderExtensions))
})
t.Run("Same Direction", func(t *testing.T) {
m := &MediaEngine{}
registerCodec(m)
assert.NoError(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{"pion-header-test"}, RTPCodecTypeAudio, RTPTransceiverDirectionRecvonly))
params := m.getRTPParametersByKind(RTPCodecTypeAudio, []RTPTransceiverDirection{RTPTransceiverDirectionRecvonly})
assert.Equal(t, 1, len(params.HeaderExtensions))
})
t.Run("Different Direction", func(t *testing.T) {
m := &MediaEngine{}
registerCodec(m)
assert.NoError(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{"pion-header-test"}, RTPCodecTypeAudio, RTPTransceiverDirectionSendonly))
params := m.getRTPParametersByKind(RTPCodecTypeAudio, []RTPTransceiverDirection{RTPTransceiverDirectionRecvonly})
assert.Equal(t, 0, len(params.HeaderExtensions))
})
t.Run("Invalid Direction", func(t *testing.T) {
m := &MediaEngine{}
registerCodec(m)
assert.ErrorIs(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{"pion-header-test"}, RTPCodecTypeAudio, RTPTransceiverDirectionSendrecv), ErrRegisterHeaderExtensionInvalidDirection)
assert.ErrorIs(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{"pion-header-test"}, RTPCodecTypeAudio, RTPTransceiverDirectionInactive), ErrRegisterHeaderExtensionInvalidDirection)
assert.ErrorIs(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{"pion-header-test"}, RTPCodecTypeAudio, RTPTransceiverDirection(0)), ErrRegisterHeaderExtensionInvalidDirection)
})
t.Run("Unique extmapid with different codec", func(t *testing.T) {
m := &MediaEngine{}
registerCodec(m)
assert.NoError(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{"pion-header-test"}, RTPCodecTypeAudio))
assert.NoError(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{"pion-header-test2"}, RTPCodecTypeVideo))
audio := m.getRTPParametersByKind(RTPCodecTypeAudio, []RTPTransceiverDirection{RTPTransceiverDirectionRecvonly})
video := m.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) {
m := MediaEngine{}
assert.NoError(t, m.RegisterCodec(
RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{MimeTypeOpus, 48000, 0, "", nil},
PayloadType: 111,
}, RTPCodecTypeAudio))
assert.NoError(t, m.RegisterCodec(
RTPCodecParameters{
RTPCodecCapability: RTPCodecCapability{MimeTypeOpus, 48000, 0, "", nil},
PayloadType: 111,
}, RTPCodecTypeAudio))
assert.Equal(t, len(m.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
`
m := MediaEngine{}
assert.NoError(t, m.RegisterDefaultCodecs())
assert.NoError(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{sdp.SDESMidURI}, RTPCodecTypeVideo))
assert.NoError(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{"urn:3gpp:video-orientation"}, RTPCodecTypeVideo))
assert.NoError(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{sdp.SDESMidURI}, RTPCodecTypeAudio))
assert.NoError(t, m.RegisterHeaderExtension(RTPHeaderExtensionCapability{sdp.AudioLevelURI}, RTPCodecTypeAudio))
assert.NoError(t, m.updateFromRemoteDescription(mustParse(sdpSnippet)))
assert.True(t, m.negotiatedAudio)
assert.False(t, m.negotiatedVideo)
id, audioNegotiated, videoNegotiated := m.getHeaderExtensionID(RTPHeaderExtensionCapability{sdp.ABSSendTimeURI})
assert.Equal(t, id, 0)
assert.False(t, audioNegotiated)
assert.False(t, videoNegotiated)
id, audioNegotiated, videoNegotiated = m.getHeaderExtensionID(RTPHeaderExtensionCapability{sdp.SDESMidURI})
assert.Equal(t, id, 2)
assert.True(t, audioNegotiated)
assert.False(t, videoNegotiated)
id, audioNegotiated, videoNegotiated = m.getHeaderExtensionID(RTPHeaderExtensionCapability{sdp.AudioLevelURI})
assert.Equal(t, id, 1)
assert.True(t, audioNegotiated)
assert.False(t, videoNegotiated)
params := m.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 0 1 2
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())
})
}
}