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// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
// SPDX-License-Identifier: MIT
package sdp
import (
"errors"
"reflect"
"testing"
)
func getTestSessionDescription() SessionDescription {
return SessionDescription{
MediaDescriptions: []*MediaDescription{
{
MediaName: MediaName{
Media: "video",
Port: RangedPort{
Value: 51372,
},
Protos: []string{"RTP", "AVP"},
Formats: []string{"120", "121", "126", "97", "98"},
},
Attributes: []Attribute{
NewAttribute("fmtp:126 profile-level-id=42e01f;level-asymmetry-allowed=1;packetization-mode=1", ""),
NewAttribute("fmtp:97 profile-level-id=42e01f;level-asymmetry-allowed=1", ""),
NewAttribute("fmtp:98 profile-level-id=42e01e; packetization-mode=1", ""),
NewAttribute("fmtp:120 max-fs=12288;max-fr=60", ""),
NewAttribute("fmtp:121 max-fs=12288;max-fr=60", ""),
NewAttribute("rtpmap:120 VP8/90000", ""),
NewAttribute("rtpmap:121 VP9/90000", ""),
NewAttribute("rtpmap:126 H264/90000", ""),
NewAttribute("rtpmap:97 H264/90000", ""),
NewAttribute("rtpmap:98 H264/90000", ""),
NewAttribute("rtcp-fb:97 ccm fir", ""),
NewAttribute("rtcp-fb:97 nack", ""),
NewAttribute("rtcp-fb:97 nack pli", ""),
NewAttribute("rtcp-fb:* transport-cc", ""),
NewAttribute("rtcp-fb:* nack", ""),
},
},
},
}
}
func TestGetPayloadTypeForVP8(t *testing.T) {
for _, test := range []struct {
Codec Codec
Expected uint8
}{
{
Codec: Codec{
Name: "VP8",
},
Expected: 120,
},
{
Codec: Codec{
Name: "VP9",
},
Expected: 121,
},
{
Codec: Codec{
Name: "H264",
Fmtp: "profile-level-id=42e01f;level-asymmetry-allowed=1",
},
Expected: 97,
},
{
Codec: Codec{
Name: "H264",
Fmtp: "level-asymmetry-allowed=1;profile-level-id=42e01f",
},
Expected: 97,
},
{
Codec: Codec{
Name: "H264",
Fmtp: "profile-level-id=42e01f;level-asymmetry-allowed=1;packetization-mode=1",
},
Expected: 126,
},
} {
sd := getTestSessionDescription()
actual, err := sd.GetPayloadTypeForCodec(test.Codec)
if got, want := err, error(nil); !errors.Is(got, want) {
t.Fatalf("GetPayloadTypeForCodec(): err=%v, want=%v", got, want)
}
if actual != test.Expected {
t.Errorf("error:\n\nEXPECTED:\n%v\nACTUAL:\n%v", test.Expected, actual)
}
}
}
func TestGetCodecForPayloadType(t *testing.T) {
for _, test := range []struct {
name string
SD SessionDescription
PayloadType uint8
Expected Codec
}{
{
"vp8",
getTestSessionDescription(),
120,
Codec{
PayloadType: 120,
Name: "VP8",
ClockRate: 90000,
Fmtp: "max-fs=12288;max-fr=60",
RTCPFeedback: []string{"transport-cc", "nack"},
},
},
{
"vp9",
getTestSessionDescription(),
121,
Codec{
PayloadType: 121,
Name: "VP9",
ClockRate: 90000,
Fmtp: "max-fs=12288;max-fr=60",
RTCPFeedback: []string{"transport-cc", "nack"},
},
},
{
"h264 126",
getTestSessionDescription(),
126,
Codec{
PayloadType: 126,
Name: "H264",
ClockRate: 90000,
Fmtp: "profile-level-id=42e01f;level-asymmetry-allowed=1;packetization-mode=1",
RTCPFeedback: []string{"transport-cc", "nack"},
},
},
{
"h264 97",
getTestSessionDescription(),
97,
Codec{
PayloadType: 97,
Name: "H264",
ClockRate: 90000,
Fmtp: "profile-level-id=42e01f;level-asymmetry-allowed=1",
RTCPFeedback: []string{"ccm fir", "nack", "nack pli", "transport-cc"},
},
},
{
"h264 98",
getTestSessionDescription(),
98,
Codec{
PayloadType: 98,
Name: "H264",
ClockRate: 90000,
Fmtp: "profile-level-id=42e01e; packetization-mode=1",
RTCPFeedback: []string{"transport-cc", "nack"},
},
},
{
"pcmu without rtpmap",
SessionDescription{
MediaDescriptions: []*MediaDescription{
{
MediaName: MediaName{
Media: "audio",
Protos: []string{"RTP", "AVP"},
Formats: []string{"0", "8"},
},
},
},
},
0,
Codec{
PayloadType: 0,
Name: "PCMU",
ClockRate: 8000,
},
},
{
"pcma without rtpmap",
SessionDescription{
MediaDescriptions: []*MediaDescription{
{
MediaName: MediaName{
Media: "audio",
Protos: []string{"RTP", "AVP"},
Formats: []string{"0", "8"},
},
},
},
},
8,
Codec{
PayloadType: 8,
Name: "PCMA",
ClockRate: 8000,
},
},
} {
t.Run(test.name, func(t *testing.T) {
actual, err := test.SD.GetCodecForPayloadType(test.PayloadType)
if got, want := err, error(nil); !errors.Is(got, want) {
t.Fatalf("GetCodecForPayloadType(): err=%v, want=%v", got, want)
}
if !reflect.DeepEqual(actual, test.Expected) {
t.Errorf("error:\n\nEXPECTED:\n%v\nACTUAL:\n%v", test.Expected, actual)
}
})
}
}
func TestNewSessionID(t *testing.T) {
minVal := uint64(0x7FFFFFFFFFFFFFFF)
maxVal := uint64(0)
for i := 0; i < 10000; i++ {
r, err := newSessionID()
if err != nil {
t.Fatal(err)
}
if r > (1<<63)-1 {
t.Fatalf("Session ID must be less than 2**64-1, got %d", r)
}
if r < minVal {
minVal = r
}
if r > maxVal {
maxVal = r
}
}
if minVal > 0x1000000000000000 {
t.Error("Value around lower boundary was not generated")
}
if maxVal < 0x7000000000000000 {
t.Error("Value around upper boundary was not generated")
}
}
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