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296 lines
12 KiB
296 lines
12 KiB
/*
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* Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "media/engine/webrtc_media_engine.h"
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#include <memory>
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#include <utility>
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#include "media/engine/webrtc_media_engine_defaults.h"
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#include "test/field_trial.h"
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#include "test/gtest.h"
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using webrtc::RtpExtension;
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namespace cricket {
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namespace {
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std::vector<RtpExtension> MakeUniqueExtensions() {
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std::vector<RtpExtension> result;
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char name[] = "a";
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for (int i = 0; i < 7; ++i) {
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result.push_back(RtpExtension(name, 1 + i));
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name[0]++;
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result.push_back(RtpExtension(name, 255 - i));
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name[0]++;
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}
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return result;
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}
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std::vector<RtpExtension> MakeRedundantExtensions() {
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std::vector<RtpExtension> result;
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char name[] = "a";
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for (int i = 0; i < 7; ++i) {
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result.push_back(RtpExtension(name, 1 + i));
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result.push_back(RtpExtension(name, 255 - i));
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name[0]++;
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}
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return result;
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}
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bool SupportedExtensions1(absl::string_view name) {
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return name == "c" || name == "i";
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}
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bool SupportedExtensions2(absl::string_view name) {
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return name != "a" && name != "n";
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}
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bool IsSorted(const std::vector<webrtc::RtpExtension>& extensions) {
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const std::string* last = nullptr;
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for (const auto& extension : extensions) {
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if (last && *last > extension.uri) {
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return false;
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}
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last = &extension.uri;
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}
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return true;
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}
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} // namespace
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TEST(WebRtcMediaEngineTest, ValidateRtpExtensions_EmptyList) {
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std::vector<RtpExtension> extensions;
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EXPECT_TRUE(ValidateRtpExtensions(extensions));
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}
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TEST(WebRtcMediaEngineTest, ValidateRtpExtensions_AllGood) {
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std::vector<RtpExtension> extensions = MakeUniqueExtensions();
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EXPECT_TRUE(ValidateRtpExtensions(extensions));
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}
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TEST(WebRtcMediaEngineTest, ValidateRtpExtensions_OutOfRangeId_Low) {
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std::vector<RtpExtension> extensions = MakeUniqueExtensions();
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extensions.push_back(RtpExtension("foo", 0));
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EXPECT_FALSE(ValidateRtpExtensions(extensions));
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}
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TEST(WebRtcMediaEngineTest, ValidateRtpExtensions_OutOfRangeId_High) {
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std::vector<RtpExtension> extensions = MakeUniqueExtensions();
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extensions.push_back(RtpExtension("foo", 256));
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EXPECT_FALSE(ValidateRtpExtensions(extensions));
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}
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TEST(WebRtcMediaEngineTest, ValidateRtpExtensions_OverlappingIds_StartOfSet) {
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std::vector<RtpExtension> extensions = MakeUniqueExtensions();
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extensions.push_back(RtpExtension("foo", 1));
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EXPECT_FALSE(ValidateRtpExtensions(extensions));
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}
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TEST(WebRtcMediaEngineTest, ValidateRtpExtensions_OverlappingIds_EndOfSet) {
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std::vector<RtpExtension> extensions = MakeUniqueExtensions();
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extensions.push_back(RtpExtension("foo", 255));
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EXPECT_FALSE(ValidateRtpExtensions(extensions));
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}
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TEST(WebRtcMediaEngineTest, FilterRtpExtensions_EmptyList) {
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std::vector<RtpExtension> extensions;
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std::vector<webrtc::RtpExtension> filtered =
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FilterRtpExtensions(extensions, SupportedExtensions1, true);
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EXPECT_EQ(0u, filtered.size());
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}
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TEST(WebRtcMediaEngineTest, FilterRtpExtensions_IncludeOnlySupported) {
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std::vector<RtpExtension> extensions = MakeUniqueExtensions();
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std::vector<webrtc::RtpExtension> filtered =
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FilterRtpExtensions(extensions, SupportedExtensions1, false);
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EXPECT_EQ(2u, filtered.size());
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EXPECT_EQ("c", filtered[0].uri);
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EXPECT_EQ("i", filtered[1].uri);
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}
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TEST(WebRtcMediaEngineTest, FilterRtpExtensions_SortedByName_1) {
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std::vector<RtpExtension> extensions = MakeUniqueExtensions();
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std::vector<webrtc::RtpExtension> filtered =
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FilterRtpExtensions(extensions, SupportedExtensions2, false);
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EXPECT_EQ(12u, filtered.size());
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EXPECT_TRUE(IsSorted(filtered));
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}
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TEST(WebRtcMediaEngineTest, FilterRtpExtensions_SortedByName_2) {
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std::vector<RtpExtension> extensions = MakeUniqueExtensions();
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std::vector<webrtc::RtpExtension> filtered =
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FilterRtpExtensions(extensions, SupportedExtensions2, true);
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EXPECT_EQ(12u, filtered.size());
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EXPECT_TRUE(IsSorted(filtered));
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}
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TEST(WebRtcMediaEngineTest, FilterRtpExtensions_DontRemoveRedundant) {
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std::vector<RtpExtension> extensions = MakeRedundantExtensions();
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std::vector<webrtc::RtpExtension> filtered =
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FilterRtpExtensions(extensions, SupportedExtensions2, false);
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EXPECT_EQ(12u, filtered.size());
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EXPECT_TRUE(IsSorted(filtered));
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EXPECT_EQ(filtered[0].uri, filtered[1].uri);
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}
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TEST(WebRtcMediaEngineTest, FilterRtpExtensions_RemoveRedundant) {
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std::vector<RtpExtension> extensions = MakeRedundantExtensions();
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std::vector<webrtc::RtpExtension> filtered =
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FilterRtpExtensions(extensions, SupportedExtensions2, true);
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EXPECT_EQ(6u, filtered.size());
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EXPECT_TRUE(IsSorted(filtered));
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EXPECT_NE(filtered[0].uri, filtered[1].uri);
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}
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TEST(WebRtcMediaEngineTest, FilterRtpExtensions_RemoveRedundantEncrypted_1) {
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std::vector<RtpExtension> extensions;
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extensions.push_back(webrtc::RtpExtension("b", 1));
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extensions.push_back(webrtc::RtpExtension("b", 2, true));
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extensions.push_back(webrtc::RtpExtension("c", 3));
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extensions.push_back(webrtc::RtpExtension("b", 4));
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std::vector<webrtc::RtpExtension> filtered =
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FilterRtpExtensions(extensions, SupportedExtensions2, true);
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EXPECT_EQ(3u, filtered.size());
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EXPECT_TRUE(IsSorted(filtered));
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EXPECT_EQ(filtered[0].uri, filtered[1].uri);
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EXPECT_NE(filtered[0].encrypt, filtered[1].encrypt);
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EXPECT_NE(filtered[0].uri, filtered[2].uri);
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EXPECT_NE(filtered[1].uri, filtered[2].uri);
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}
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TEST(WebRtcMediaEngineTest, FilterRtpExtensions_RemoveRedundantEncrypted_2) {
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std::vector<RtpExtension> extensions;
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extensions.push_back(webrtc::RtpExtension("b", 1, true));
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extensions.push_back(webrtc::RtpExtension("b", 2));
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extensions.push_back(webrtc::RtpExtension("c", 3));
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extensions.push_back(webrtc::RtpExtension("b", 4));
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std::vector<webrtc::RtpExtension> filtered =
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FilterRtpExtensions(extensions, SupportedExtensions2, true);
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EXPECT_EQ(3u, filtered.size());
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EXPECT_TRUE(IsSorted(filtered));
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EXPECT_EQ(filtered[0].uri, filtered[1].uri);
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EXPECT_NE(filtered[0].encrypt, filtered[1].encrypt);
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EXPECT_NE(filtered[0].uri, filtered[2].uri);
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EXPECT_NE(filtered[1].uri, filtered[2].uri);
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}
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TEST(WebRtcMediaEngineTest, FilterRtpExtensions_RemoveRedundantBwe_1) {
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webrtc::test::ScopedFieldTrials override_field_trials_(
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"WebRTC-FilterAbsSendTimeExtension/Enabled/");
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std::vector<RtpExtension> extensions;
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extensions.push_back(
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RtpExtension(RtpExtension::kTransportSequenceNumberUri, 3));
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extensions.push_back(RtpExtension(RtpExtension::kTimestampOffsetUri, 9));
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extensions.push_back(RtpExtension(RtpExtension::kAbsSendTimeUri, 6));
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extensions.push_back(
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RtpExtension(RtpExtension::kTransportSequenceNumberUri, 1));
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extensions.push_back(RtpExtension(RtpExtension::kTimestampOffsetUri, 14));
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std::vector<webrtc::RtpExtension> filtered =
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FilterRtpExtensions(extensions, SupportedExtensions2, true);
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EXPECT_EQ(1u, filtered.size());
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EXPECT_EQ(RtpExtension::kTransportSequenceNumberUri, filtered[0].uri);
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}
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TEST(WebRtcMediaEngineTest,
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FilterRtpExtensions_RemoveRedundantBwe_1_KeepAbsSendTime) {
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std::vector<RtpExtension> extensions;
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extensions.push_back(
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RtpExtension(RtpExtension::kTransportSequenceNumberUri, 3));
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extensions.push_back(RtpExtension(RtpExtension::kTimestampOffsetUri, 9));
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extensions.push_back(RtpExtension(RtpExtension::kAbsSendTimeUri, 6));
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extensions.push_back(
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RtpExtension(RtpExtension::kTransportSequenceNumberUri, 1));
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extensions.push_back(RtpExtension(RtpExtension::kTimestampOffsetUri, 14));
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std::vector<webrtc::RtpExtension> filtered =
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FilterRtpExtensions(extensions, SupportedExtensions2, true);
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EXPECT_EQ(2u, filtered.size());
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EXPECT_EQ(RtpExtension::kTransportSequenceNumberUri, filtered[0].uri);
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EXPECT_EQ(RtpExtension::kAbsSendTimeUri, filtered[1].uri);
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}
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TEST(WebRtcMediaEngineTest, FilterRtpExtensions_RemoveRedundantBweEncrypted_1) {
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webrtc::test::ScopedFieldTrials override_field_trials_(
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"WebRTC-FilterAbsSendTimeExtension/Enabled/");
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std::vector<RtpExtension> extensions;
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extensions.push_back(
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RtpExtension(RtpExtension::kTransportSequenceNumberUri, 3));
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extensions.push_back(
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RtpExtension(RtpExtension::kTransportSequenceNumberUri, 4, true));
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extensions.push_back(RtpExtension(RtpExtension::kTimestampOffsetUri, 9));
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extensions.push_back(RtpExtension(RtpExtension::kAbsSendTimeUri, 6));
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extensions.push_back(
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RtpExtension(RtpExtension::kTransportSequenceNumberUri, 1));
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extensions.push_back(
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RtpExtension(RtpExtension::kTransportSequenceNumberUri, 2, true));
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extensions.push_back(RtpExtension(RtpExtension::kTimestampOffsetUri, 14));
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std::vector<webrtc::RtpExtension> filtered =
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FilterRtpExtensions(extensions, SupportedExtensions2, true);
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EXPECT_EQ(2u, filtered.size());
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EXPECT_EQ(RtpExtension::kTransportSequenceNumberUri, filtered[0].uri);
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EXPECT_EQ(RtpExtension::kTransportSequenceNumberUri, filtered[1].uri);
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EXPECT_NE(filtered[0].encrypt, filtered[1].encrypt);
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}
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TEST(WebRtcMediaEngineTest,
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FilterRtpExtensions_RemoveRedundantBweEncrypted_1_KeepAbsSendTime) {
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std::vector<RtpExtension> extensions;
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extensions.push_back(
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RtpExtension(RtpExtension::kTransportSequenceNumberUri, 3));
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extensions.push_back(
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RtpExtension(RtpExtension::kTransportSequenceNumberUri, 4, true));
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extensions.push_back(RtpExtension(RtpExtension::kTimestampOffsetUri, 9));
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extensions.push_back(RtpExtension(RtpExtension::kAbsSendTimeUri, 6));
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extensions.push_back(
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RtpExtension(RtpExtension::kTransportSequenceNumberUri, 1));
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extensions.push_back(
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RtpExtension(RtpExtension::kTransportSequenceNumberUri, 2, true));
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extensions.push_back(RtpExtension(RtpExtension::kTimestampOffsetUri, 14));
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std::vector<webrtc::RtpExtension> filtered =
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FilterRtpExtensions(extensions, SupportedExtensions2, true);
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EXPECT_EQ(3u, filtered.size());
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EXPECT_EQ(RtpExtension::kTransportSequenceNumberUri, filtered[0].uri);
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EXPECT_EQ(RtpExtension::kTransportSequenceNumberUri, filtered[1].uri);
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EXPECT_EQ(RtpExtension::kAbsSendTimeUri, filtered[2].uri);
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EXPECT_NE(filtered[0].encrypt, filtered[1].encrypt);
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}
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TEST(WebRtcMediaEngineTest, FilterRtpExtensions_RemoveRedundantBwe_2) {
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std::vector<RtpExtension> extensions;
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extensions.push_back(RtpExtension(RtpExtension::kTimestampOffsetUri, 1));
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extensions.push_back(RtpExtension(RtpExtension::kAbsSendTimeUri, 14));
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extensions.push_back(RtpExtension(RtpExtension::kTimestampOffsetUri, 7));
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std::vector<webrtc::RtpExtension> filtered =
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FilterRtpExtensions(extensions, SupportedExtensions2, true);
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EXPECT_EQ(1u, filtered.size());
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EXPECT_EQ(RtpExtension::kAbsSendTimeUri, filtered[0].uri);
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}
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TEST(WebRtcMediaEngineTest, FilterRtpExtensions_RemoveRedundantBwe_3) {
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std::vector<RtpExtension> extensions;
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extensions.push_back(RtpExtension(RtpExtension::kTimestampOffsetUri, 2));
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extensions.push_back(RtpExtension(RtpExtension::kTimestampOffsetUri, 14));
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std::vector<webrtc::RtpExtension> filtered =
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FilterRtpExtensions(extensions, SupportedExtensions2, true);
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EXPECT_EQ(1u, filtered.size());
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EXPECT_EQ(RtpExtension::kTimestampOffsetUri, filtered[0].uri);
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}
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TEST(WebRtcMediaEngineTest, Create) {
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MediaEngineDependencies deps;
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webrtc::SetMediaEngineDefaults(&deps);
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std::unique_ptr<MediaEngineInterface> engine =
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CreateMediaEngine(std::move(deps));
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EXPECT_TRUE(engine);
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}
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} // namespace cricket
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