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Add a unit test for Opus complexity adaptation

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The test verifies that the hysteresis window in the configuration works
as intended.

BUG=webrtc:6708

Review-Url: https://codereview.webrtc.org/2594563002
Cr-Commit-Position: refs/heads/master@{#15700}
This commit is contained in:
henrik.lundin 2016-12-20 01:17:55 -08:00 committed by Commit bot
parent babbc308ac
commit 59dbfe6d32
1 changed files with 22 additions and 0 deletions
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22
webrtc/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
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@ -421,4 +421,26 @@ TEST(AudioEncoderOpusTest, BitrateBounded) {
EXPECT_EQ(kMaxBitrateBps, states.encoder->GetTargetBitrate());
}
// Verifies that the complexity adaptation in the config works as intended.
TEST(AudioEncoderOpusTest, ConfigComplexityAdaptation) {
AudioEncoderOpus::Config config;
config.low_rate_complexity = 8;
config.complexity = 6;
// Bitrate within hysteresis window. Expect empty output.
config.bitrate_bps = rtc::Optional<int>(12500);
EXPECT_EQ(rtc::Optional<int>(), config.GetNewComplexity());
// Bitrate below hysteresis window. Expect higher complexity.
config.bitrate_bps = rtc::Optional<int>(10999);
EXPECT_EQ(rtc::Optional<int>(8), config.GetNewComplexity());
// Bitrate within hysteresis window. Expect empty output.
config.bitrate_bps = rtc::Optional<int>(12500);
EXPECT_EQ(rtc::Optional<int>(), config.GetNewComplexity());
// Bitrate above hysteresis window. Expect lower complexity.
config.bitrate_bps = rtc::Optional<int>(14001);
EXPECT_EQ(rtc::Optional<int>(6), config.GetNewComplexity());
}
} // namespace webrtc