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71f94c93a6
There's now one const method PlayoutDelayToSend to produce the delay values to insert into outgoing packets, and two update methods, OnSentPacket, and OnReceivedAck, to observe outgoing packets and acks, respectively. Bug: webrtc:7135 Change-Id: I07498c30f0de87ae0113f7e2eb6357a091a1f0af Reviewed-on: https://webrtc-review.googlesource.com/c/120603 Commit-Queue: Niels Moller <nisse@webrtc.org> Reviewed-by: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/master@{#26474}
52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
/*
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* Copyright (c) 2016 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 "modules/rtp_rtcp/source/playout_delay_oracle.h"
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#include "rtc_base/logging.h"
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#include "test/gtest.h"
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namespace webrtc {
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namespace {
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constexpr int kSequenceNumber = 100;
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constexpr int kMinPlayoutDelay = 0;
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constexpr int kMaxPlayoutDelay = 150;
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} // namespace
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TEST(PlayoutDelayOracleTest, DisabledByDefault) {
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PlayoutDelayOracle playout_delay_oracle;
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EXPECT_FALSE(playout_delay_oracle.PlayoutDelayToSend({-1, -1}));
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}
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TEST(PlayoutDelayOracleTest, SendPlayoutDelayUntilSeqNumberExceeds) {
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PlayoutDelayOracle playout_delay_oracle;
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PlayoutDelay playout_delay = {kMinPlayoutDelay, kMaxPlayoutDelay};
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playout_delay_oracle.OnSentPacket(kSequenceNumber, playout_delay);
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absl::optional<PlayoutDelay> delay_to_send =
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playout_delay_oracle.PlayoutDelayToSend({-1, -1});
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ASSERT_TRUE(delay_to_send.has_value());
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EXPECT_EQ(kMinPlayoutDelay, delay_to_send->min_ms);
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EXPECT_EQ(kMaxPlayoutDelay, delay_to_send->max_ms);
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// Oracle indicates playout delay should be sent if highest sequence number
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// acked is lower than the sequence number of the first packet containing
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// playout delay.
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playout_delay_oracle.OnReceivedAck(kSequenceNumber - 1);
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EXPECT_TRUE(playout_delay_oracle.PlayoutDelayToSend({-1, -1}));
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// Oracle indicates playout delay should not be sent if sequence number
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// acked on a matching ssrc indicates the receiver has received the playout
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// delay values.
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playout_delay_oracle.OnReceivedAck(kSequenceNumber + 1);
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EXPECT_FALSE(playout_delay_oracle.PlayoutDelayToSend({-1, -1}));
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}
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} // namespace webrtc
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