mirror of
https://github.com/livekit/livekit.git
synced 2026-03-30 15:35:41 +00:00
287 lines
10 KiB
Go
287 lines
10 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 rtc
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import (
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"sort"
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"sync"
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"testing"
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"time"
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"github.com/pion/webrtc/v3"
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"github.com/stretchr/testify/require"
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"github.com/livekit/livekit-server/pkg/rtc/types"
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"github.com/livekit/protocol/livekit"
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)
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func TestSubscribedMaxQuality(t *testing.T) {
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subscribedCodecsAsString := func(c1 []*livekit.SubscribedCodec) string {
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sort.Slice(c1, func(i, j int) bool { return c1[i].Codec < c1[j].Codec })
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var s1 string
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for _, c := range c1 {
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s1 += c.String()
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}
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return s1
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}
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t.Run("subscribers muted", func(t *testing.T) {
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dm := NewDynacastManager(DynacastManagerParams{})
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var lock sync.Mutex
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actualSubscribedQualities := make([]*livekit.SubscribedCodec, 0)
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dm.OnSubscribedMaxQualityChange(func(subscribedQualities []*livekit.SubscribedCodec, _maxSubscribedQualities []types.SubscribedCodecQuality) {
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lock.Lock()
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actualSubscribedQualities = subscribedQualities
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lock.Unlock()
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})
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dm.NotifySubscriberMaxQuality("s1", webrtc.MimeTypeVP8, livekit.VideoQuality_HIGH)
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dm.NotifySubscriberMaxQuality("s2", webrtc.MimeTypeAV1, livekit.VideoQuality_HIGH)
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// mute all subscribers of vp8
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dm.NotifySubscriberMaxQuality("s1", webrtc.MimeTypeVP8, livekit.VideoQuality_OFF)
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expectedSubscribedQualities := []*livekit.SubscribedCodec{
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{
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Codec: webrtc.MimeTypeVP8,
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Qualities: []*livekit.SubscribedQuality{
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{Quality: livekit.VideoQuality_LOW, Enabled: false},
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{Quality: livekit.VideoQuality_MEDIUM, Enabled: false},
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{Quality: livekit.VideoQuality_HIGH, Enabled: false},
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},
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},
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{
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Codec: webrtc.MimeTypeAV1,
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Qualities: []*livekit.SubscribedQuality{
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{Quality: livekit.VideoQuality_LOW, Enabled: true},
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{Quality: livekit.VideoQuality_MEDIUM, Enabled: true},
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{Quality: livekit.VideoQuality_HIGH, Enabled: true},
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},
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},
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}
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require.Eventually(t, func() bool {
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lock.Lock()
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defer lock.Unlock()
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return subscribedCodecsAsString(expectedSubscribedQualities) == subscribedCodecsAsString(actualSubscribedQualities)
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}, 10*time.Second, 100*time.Millisecond)
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})
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t.Run("subscribers max quality", func(t *testing.T) {
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dm := NewDynacastManager(DynacastManagerParams{
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DynacastPauseDelay: 100 * time.Millisecond,
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})
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lock := sync.RWMutex{}
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lock.Lock()
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actualSubscribedQualities := make([]*livekit.SubscribedCodec, 0)
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lock.Unlock()
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dm.OnSubscribedMaxQualityChange(func(subscribedQualities []*livekit.SubscribedCodec, _maxSubscribedQualities []types.SubscribedCodecQuality) {
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lock.Lock()
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actualSubscribedQualities = subscribedQualities
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lock.Unlock()
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})
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dm.maxSubscribedQuality = map[string]livekit.VideoQuality{
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webrtc.MimeTypeVP8: livekit.VideoQuality_LOW,
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webrtc.MimeTypeAV1: livekit.VideoQuality_LOW,
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}
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dm.NotifySubscriberMaxQuality("s1", webrtc.MimeTypeVP8, livekit.VideoQuality_HIGH)
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dm.NotifySubscriberMaxQuality("s2", webrtc.MimeTypeVP8, livekit.VideoQuality_MEDIUM)
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dm.NotifySubscriberMaxQuality("s3", webrtc.MimeTypeAV1, livekit.VideoQuality_MEDIUM)
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expectedSubscribedQualities := []*livekit.SubscribedCodec{
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{
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Codec: webrtc.MimeTypeVP8,
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Qualities: []*livekit.SubscribedQuality{
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{Quality: livekit.VideoQuality_LOW, Enabled: true},
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{Quality: livekit.VideoQuality_MEDIUM, Enabled: true},
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{Quality: livekit.VideoQuality_HIGH, Enabled: true},
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},
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},
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{
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Codec: webrtc.MimeTypeAV1,
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Qualities: []*livekit.SubscribedQuality{
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{Quality: livekit.VideoQuality_LOW, Enabled: true},
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{Quality: livekit.VideoQuality_MEDIUM, Enabled: true},
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{Quality: livekit.VideoQuality_HIGH, Enabled: false},
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},
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},
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}
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require.Eventually(t, func() bool {
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lock.Lock()
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defer lock.Unlock()
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return subscribedCodecsAsString(expectedSubscribedQualities) == subscribedCodecsAsString(actualSubscribedQualities)
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}, 10*time.Second, 100*time.Millisecond)
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// "s1" dropping to MEDIUM should disable HIGH layer
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dm.NotifySubscriberMaxQuality("s1", webrtc.MimeTypeVP8, livekit.VideoQuality_MEDIUM)
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expectedSubscribedQualities = []*livekit.SubscribedCodec{
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{
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Codec: webrtc.MimeTypeVP8,
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Qualities: []*livekit.SubscribedQuality{
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{Quality: livekit.VideoQuality_LOW, Enabled: true},
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{Quality: livekit.VideoQuality_MEDIUM, Enabled: true},
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{Quality: livekit.VideoQuality_HIGH, Enabled: false},
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},
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},
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{
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Codec: webrtc.MimeTypeAV1,
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Qualities: []*livekit.SubscribedQuality{
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{Quality: livekit.VideoQuality_LOW, Enabled: true},
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{Quality: livekit.VideoQuality_MEDIUM, Enabled: true},
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{Quality: livekit.VideoQuality_HIGH, Enabled: false},
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},
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},
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}
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require.Eventually(t, func() bool {
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lock.Lock()
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defer lock.Unlock()
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return subscribedCodecsAsString(expectedSubscribedQualities) == subscribedCodecsAsString(actualSubscribedQualities)
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}, 10*time.Second, 100*time.Millisecond)
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// "s1" , "s2" , "s3" dropping to LOW should disable HIGH & MEDIUM
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dm.NotifySubscriberMaxQuality("s1", webrtc.MimeTypeVP8, livekit.VideoQuality_LOW)
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dm.NotifySubscriberMaxQuality("s2", webrtc.MimeTypeVP8, livekit.VideoQuality_LOW)
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dm.NotifySubscriberMaxQuality("s3", webrtc.MimeTypeAV1, livekit.VideoQuality_LOW)
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expectedSubscribedQualities = []*livekit.SubscribedCodec{
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{
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Codec: webrtc.MimeTypeVP8,
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Qualities: []*livekit.SubscribedQuality{
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{Quality: livekit.VideoQuality_LOW, Enabled: true},
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{Quality: livekit.VideoQuality_MEDIUM, Enabled: false},
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{Quality: livekit.VideoQuality_HIGH, Enabled: false},
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},
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},
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{
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Codec: webrtc.MimeTypeAV1,
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Qualities: []*livekit.SubscribedQuality{
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{Quality: livekit.VideoQuality_LOW, Enabled: true},
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{Quality: livekit.VideoQuality_MEDIUM, Enabled: false},
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{Quality: livekit.VideoQuality_HIGH, Enabled: false},
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},
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},
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}
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require.Eventually(t, func() bool {
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lock.Lock()
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defer lock.Unlock()
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return subscribedCodecsAsString(expectedSubscribedQualities) == subscribedCodecsAsString(actualSubscribedQualities)
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}, 10*time.Second, 100*time.Millisecond)
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// muting "s2" only should not disable all qualities of vp8, no change of expected qualities
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dm.NotifySubscriberMaxQuality("s2", webrtc.MimeTypeVP8, livekit.VideoQuality_OFF)
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time.Sleep(100 * time.Millisecond)
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require.Eventually(t, func() bool {
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lock.Lock()
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defer lock.Unlock()
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return subscribedCodecsAsString(expectedSubscribedQualities) == subscribedCodecsAsString(actualSubscribedQualities)
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}, 10*time.Second, 100*time.Millisecond)
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// muting "s1" and s3 also should disable all qualities
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dm.NotifySubscriberMaxQuality("s1", webrtc.MimeTypeVP8, livekit.VideoQuality_OFF)
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dm.NotifySubscriberMaxQuality("s3", webrtc.MimeTypeAV1, livekit.VideoQuality_OFF)
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expectedSubscribedQualities = []*livekit.SubscribedCodec{
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{
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Codec: webrtc.MimeTypeVP8,
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Qualities: []*livekit.SubscribedQuality{
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{Quality: livekit.VideoQuality_LOW, Enabled: false},
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{Quality: livekit.VideoQuality_MEDIUM, Enabled: false},
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{Quality: livekit.VideoQuality_HIGH, Enabled: false},
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},
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},
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{
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Codec: webrtc.MimeTypeAV1,
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Qualities: []*livekit.SubscribedQuality{
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{Quality: livekit.VideoQuality_LOW, Enabled: false},
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{Quality: livekit.VideoQuality_MEDIUM, Enabled: false},
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{Quality: livekit.VideoQuality_HIGH, Enabled: false},
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},
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},
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}
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require.Eventually(t, func() bool {
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lock.Lock()
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defer lock.Unlock()
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return subscribedCodecsAsString(expectedSubscribedQualities) == subscribedCodecsAsString(actualSubscribedQualities)
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}, 10*time.Second, 100*time.Millisecond)
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// unmuting "s1" should enable vp8 previously set max quality
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dm.NotifySubscriberMaxQuality("s1", webrtc.MimeTypeVP8, livekit.VideoQuality_LOW)
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expectedSubscribedQualities = []*livekit.SubscribedCodec{
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{
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Codec: webrtc.MimeTypeVP8,
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Qualities: []*livekit.SubscribedQuality{
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{Quality: livekit.VideoQuality_LOW, Enabled: true},
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{Quality: livekit.VideoQuality_MEDIUM, Enabled: false},
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{Quality: livekit.VideoQuality_HIGH, Enabled: false},
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},
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},
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{
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Codec: webrtc.MimeTypeAV1,
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Qualities: []*livekit.SubscribedQuality{
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{Quality: livekit.VideoQuality_LOW, Enabled: false},
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{Quality: livekit.VideoQuality_MEDIUM, Enabled: false},
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{Quality: livekit.VideoQuality_HIGH, Enabled: false},
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},
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},
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}
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require.Eventually(t, func() bool {
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lock.Lock()
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defer lock.Unlock()
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return subscribedCodecsAsString(expectedSubscribedQualities) == subscribedCodecsAsString(actualSubscribedQualities)
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}, 10*time.Second, 100*time.Millisecond)
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// a higher quality from a different node should trigger that quality
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dm.NotifySubscriberNodeMaxQuality("n1", []types.SubscribedCodecQuality{
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{CodecMime: webrtc.MimeTypeVP8, Quality: livekit.VideoQuality_HIGH},
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{CodecMime: webrtc.MimeTypeAV1, Quality: livekit.VideoQuality_MEDIUM},
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})
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expectedSubscribedQualities = []*livekit.SubscribedCodec{
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{
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Codec: webrtc.MimeTypeVP8,
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Qualities: []*livekit.SubscribedQuality{
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{Quality: livekit.VideoQuality_LOW, Enabled: true},
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{Quality: livekit.VideoQuality_MEDIUM, Enabled: true},
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{Quality: livekit.VideoQuality_HIGH, Enabled: true},
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},
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},
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{
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Codec: webrtc.MimeTypeAV1,
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Qualities: []*livekit.SubscribedQuality{
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{Quality: livekit.VideoQuality_LOW, Enabled: true},
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{Quality: livekit.VideoQuality_MEDIUM, Enabled: true},
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{Quality: livekit.VideoQuality_HIGH, Enabled: false},
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},
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},
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}
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require.Eventually(t, func() bool {
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lock.Lock()
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defer lock.Unlock()
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return subscribedCodecsAsString(expectedSubscribedQualities) == subscribedCodecsAsString(actualSubscribedQualities)
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}, 10*time.Second, 100*time.Millisecond)
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})
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}
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