zqz/platform-external-webrtc
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Reland "Default enable WebRTC-SendSideBwe-WithOverhead."

Browse Source 
This is a reland of 87c1950841c3f5e465e1663cc922717ce191e192

Original change's description:
> Default enable WebRTC-SendSideBwe-WithOverhead.
>
> Bug: webrtc:6762
> Change-Id: I18ace06a33b3b60d5a19796d4769f70cd977d604
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/188801
> Commit-Queue: Jakob Ivarsson <jakobi@webrtc.org>
> Reviewed-by: Stefan Holmer <stefan@webrtc.org>
> Reviewed-by: Ali Tofigh <alito@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#32472}

Bug: webrtc:6762
Change-Id: Icf096a8755d29600a13bd08b1f22f5a79de21e90
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/190143
Reviewed-by: Ali Tofigh <alito@webrtc.org>
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Commit-Queue: Jakob Ivarsson <jakobi@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32492}
This commit is contained in:
Jakob Ivarsson
2020-10-22 13:01:07 +02:00
committed by Commit Bot
parent 0fb0eb3e80
commit 1dbe30c7e8
11 changed files with 98 additions and 89 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
modules/audio_coding/codecs/isac/audio_encoder_isac_t.h
View File

@ -93,7 +93,7 @@ class AudioEncoderIsacT final : public AudioEncoder {
// Cache the value of the "WebRTC-SendSideBwe-WithOverhead" field trial.
const bool send_side_bwe_with_overhead_ =
field_trial::IsEnabled("WebRTC-SendSideBwe-WithOverhead");
!field_trial::IsDisabled("WebRTC-SendSideBwe-WithOverhead");
// When we send a packet, expect this many bytes of headers to be added to it.
// Start out with a reasonable default that we can use until we receive a real

2
modules/audio_coding/codecs/opus/audio_encoder_opus.cc
View File

@ -356,7 +356,7 @@ AudioEncoderOpusImpl::AudioEncoderOpusImpl(
std::unique_ptr<SmoothingFilter> bitrate_smoother)
: payload_type_(payload_type),
send_side_bwe_with_overhead_(
webrtc::field_trial::IsEnabled("WebRTC-SendSideBwe-WithOverhead")),
!webrtc::field_trial::IsDisabled("WebRTC-SendSideBwe-WithOverhead")),
use_stable_target_for_adaptation_(!webrtc::field_trial::IsDisabled(
"WebRTC-Audio-StableTargetAdaptation")),
adjust_bandwidth_(

68
modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
View File

@ -198,22 +198,31 @@ TEST_P(AudioEncoderOpusTest,
// Constants are replicated from audio_states->encoderopus.cc.
const int kMinBitrateBps = 6000;
const int kMaxBitrateBps = 510000;
const int kOverheadBytesPerPacket = 64;
states->encoder->OnReceivedOverhead(kOverheadBytesPerPacket);
const int kOverheadBps = 8 * kOverheadBytesPerPacket *
rtc::CheckedDivExact(48000, kDefaultOpusPacSize);
// Set a too low bitrate.
states->encoder->OnReceivedUplinkBandwidth(kMinBitrateBps - 1, absl::nullopt);
states->encoder->OnReceivedUplinkBandwidth(kMinBitrateBps + kOverheadBps - 1,
absl::nullopt);
EXPECT_EQ(kMinBitrateBps, states->encoder->GetTargetBitrate());
// Set a too high bitrate.
states->encoder->OnReceivedUplinkBandwidth(kMaxBitrateBps + 1, absl::nullopt);
states->encoder->OnReceivedUplinkBandwidth(kMaxBitrateBps + kOverheadBps + 1,
absl::nullopt);
EXPECT_EQ(kMaxBitrateBps, states->encoder->GetTargetBitrate());
// Set the minimum rate.
states->encoder->OnReceivedUplinkBandwidth(kMinBitrateBps, absl::nullopt);
states->encoder->OnReceivedUplinkBandwidth(kMinBitrateBps + kOverheadBps,
absl::nullopt);
EXPECT_EQ(kMinBitrateBps, states->encoder->GetTargetBitrate());
// Set the maximum rate.
states->encoder->OnReceivedUplinkBandwidth(kMaxBitrateBps, absl::nullopt);
states->encoder->OnReceivedUplinkBandwidth(kMaxBitrateBps + kOverheadBps,
absl::nullopt);
EXPECT_EQ(kMaxBitrateBps, states->encoder->GetTargetBitrate());
// Set rates from kMaxBitrateBps up to 32000 bps.
for (int rate = kMinBitrateBps; rate <= 32000; rate += 1000) {
for (int rate = kMinBitrateBps + kOverheadBps; rate <= 32000 + kOverheadBps;
rate += 1000) {
states->encoder->OnReceivedUplinkBandwidth(rate, absl::nullopt);
EXPECT_EQ(rate, states->encoder->GetTargetBitrate());
EXPECT_EQ(rate - kOverheadBps, states->encoder->GetTargetBitrate());
}
}
@ -376,53 +385,6 @@ TEST_P(AudioEncoderOpusTest, DoNotInvokeSetTargetBitrateIfOverheadUnknown) {
EXPECT_EQ(kDefaultOpusRate, states->encoder->GetTargetBitrate());
}
TEST_P(AudioEncoderOpusTest, OverheadRemovedFromTargetAudioBitrate) {
test::ScopedFieldTrials override_field_trials(
"WebRTC-SendSideBwe-WithOverhead/Enabled/");
auto states = CreateCodec(sample_rate_hz_, 2);
constexpr size_t kOverheadBytesPerPacket = 64;
states->encoder->OnReceivedOverhead(kOverheadBytesPerPacket);
constexpr int kTargetBitrateBps = 40000;
states->encoder->OnReceivedUplinkBandwidth(kTargetBitrateBps, absl::nullopt);
int packet_rate = rtc::CheckedDivExact(48000, kDefaultOpusPacSize);
EXPECT_EQ(kTargetBitrateBps -
8 * static_cast<int>(kOverheadBytesPerPacket) * packet_rate,
states->encoder->GetTargetBitrate());
}
TEST_P(AudioEncoderOpusTest, BitrateBounded) {
test::ScopedFieldTrials override_field_trials(
"WebRTC-SendSideBwe-WithOverhead/Enabled/");
constexpr int kMinBitrateBps = 6000;
constexpr int kMaxBitrateBps = 510000;
auto states = CreateCodec(sample_rate_hz_, 2);
constexpr size_t kOverheadBytesPerPacket = 64;
states->encoder->OnReceivedOverhead(kOverheadBytesPerPacket);
int packet_rate = rtc::CheckedDivExact(48000, kDefaultOpusPacSize);
// Set a target rate that is smaller than |kMinBitrateBps| when overhead is
// subtracted. The eventual codec rate should be bounded by |kMinBitrateBps|.
int target_bitrate =
kOverheadBytesPerPacket * 8 * packet_rate + kMinBitrateBps - 1;
states->encoder->OnReceivedUplinkBandwidth(target_bitrate, absl::nullopt);
EXPECT_EQ(kMinBitrateBps, states->encoder->GetTargetBitrate());
// Set a target rate that is greater than |kMaxBitrateBps| when overhead is
// subtracted. The eventual codec rate should be bounded by |kMaxBitrateBps|.
target_bitrate =
kOverheadBytesPerPacket * 8 * packet_rate + kMaxBitrateBps + 1;
states->encoder->OnReceivedUplinkBandwidth(target_bitrate, absl::nullopt);
EXPECT_EQ(kMaxBitrateBps, states->encoder->GetTargetBitrate());
}
// Verifies that the complexity adaptation in the config works as intended.
TEST(AudioEncoderOpusTest, ConfigComplexityAdaptation) {
AudioEncoderOpusConfig config;

75
modules/audio_coding/neteq/audio_decoder_unittest.cc
View File

@ -37,6 +37,9 @@
namespace webrtc {
namespace {
constexpr int kOverheadBytesPerPacket = 50;
// The absolute difference between the input and output (the first channel) is
// compared vs |tolerance|. The parameter |delay| is used to correct for codec
// delays.
@ -356,6 +359,7 @@ class AudioDecoderIsacFloatTest : public AudioDecoderTest {
config.frame_size_ms =
1000 * static_cast<int>(frame_size_) / codec_input_rate_hz_;
audio_encoder_.reset(new AudioEncoderIsacFloatImpl(config));
audio_encoder_->OnReceivedOverhead(kOverheadBytesPerPacket);
AudioDecoderIsacFloatImpl::Config decoder_config;
decoder_config.sample_rate_hz = codec_input_rate_hz_;
@ -375,6 +379,7 @@ class AudioDecoderIsacSwbTest : public AudioDecoderTest {
config.frame_size_ms =
1000 * static_cast<int>(frame_size_) / codec_input_rate_hz_;
audio_encoder_.reset(new AudioEncoderIsacFloatImpl(config));
audio_encoder_->OnReceivedOverhead(kOverheadBytesPerPacket);
AudioDecoderIsacFloatImpl::Config decoder_config;
decoder_config.sample_rate_hz = codec_input_rate_hz_;
@ -394,6 +399,7 @@ class AudioDecoderIsacFixTest : public AudioDecoderTest {
config.frame_size_ms =
1000 * static_cast<int>(frame_size_) / codec_input_rate_hz_;
audio_encoder_.reset(new AudioEncoderIsacFixImpl(config));
audio_encoder_->OnReceivedOverhead(kOverheadBytesPerPacket);
AudioDecoderIsacFixImpl::Config decoder_config;
decoder_config.sample_rate_hz = codec_input_rate_hz_;
@ -451,6 +457,7 @@ class AudioDecoderOpusTest
? AudioEncoderOpusConfig::ApplicationMode::kVoip
: AudioEncoderOpusConfig::ApplicationMode::kAudio;
audio_encoder_ = AudioEncoderOpus::MakeAudioEncoder(config, payload_type_);
audio_encoder_->OnReceivedOverhead(kOverheadBytesPerPacket);
}
const int opus_sample_rate_hz_{std::get<0>(GetParam())};
const int opus_num_channels_{std::get<1>(GetParam())};
@ -536,11 +543,18 @@ TEST_F(AudioDecoderIsacFloatTest, EncodeDecode) {
}
TEST_F(AudioDecoderIsacFloatTest, SetTargetBitrate) {
EXPECT_EQ(10000, SetAndGetTargetBitrate(audio_encoder_.get(), 9999));
EXPECT_EQ(10000, SetAndGetTargetBitrate(audio_encoder_.get(), 10000));
EXPECT_EQ(23456, SetAndGetTargetBitrate(audio_encoder_.get(), 23456));
EXPECT_EQ(32000, SetAndGetTargetBitrate(audio_encoder_.get(), 32000));
EXPECT_EQ(32000, SetAndGetTargetBitrate(audio_encoder_.get(), 32001));
const int overhead_rate =
8 * kOverheadBytesPerPacket * codec_input_rate_hz_ / frame_size_;
EXPECT_EQ(10000,
SetAndGetTargetBitrate(audio_encoder_.get(), 9999 + overhead_rate));
EXPECT_EQ(10000, SetAndGetTargetBitrate(audio_encoder_.get(),
10000 + overhead_rate));
EXPECT_EQ(23456, SetAndGetTargetBitrate(audio_encoder_.get(),
23456 + overhead_rate));
EXPECT_EQ(32000, SetAndGetTargetBitrate(audio_encoder_.get(),
32000 + overhead_rate));
EXPECT_EQ(32000, SetAndGetTargetBitrate(audio_encoder_.get(),
32001 + overhead_rate));
}
TEST_F(AudioDecoderIsacSwbTest, EncodeDecode) {
@ -553,11 +567,18 @@ TEST_F(AudioDecoderIsacSwbTest, EncodeDecode) {
}
TEST_F(AudioDecoderIsacSwbTest, SetTargetBitrate) {
EXPECT_EQ(10000, SetAndGetTargetBitrate(audio_encoder_.get(), 9999));
EXPECT_EQ(10000, SetAndGetTargetBitrate(audio_encoder_.get(), 10000));
EXPECT_EQ(23456, SetAndGetTargetBitrate(audio_encoder_.get(), 23456));
EXPECT_EQ(56000, SetAndGetTargetBitrate(audio_encoder_.get(), 56000));
EXPECT_EQ(56000, SetAndGetTargetBitrate(audio_encoder_.get(), 56001));
const int overhead_rate =
8 * kOverheadBytesPerPacket * codec_input_rate_hz_ / frame_size_;
EXPECT_EQ(10000,
SetAndGetTargetBitrate(audio_encoder_.get(), 9999 + overhead_rate));
EXPECT_EQ(10000, SetAndGetTargetBitrate(audio_encoder_.get(),
10000 + overhead_rate));
EXPECT_EQ(23456, SetAndGetTargetBitrate(audio_encoder_.get(),
23456 + overhead_rate));
EXPECT_EQ(56000, SetAndGetTargetBitrate(audio_encoder_.get(),
56000 + overhead_rate));
EXPECT_EQ(56000, SetAndGetTargetBitrate(audio_encoder_.get(),
56001 + overhead_rate));
}
TEST_F(AudioDecoderIsacFixTest, EncodeDecode) {
@ -577,11 +598,18 @@ TEST_F(AudioDecoderIsacFixTest, EncodeDecode) {
}
TEST_F(AudioDecoderIsacFixTest, SetTargetBitrate) {
EXPECT_EQ(10000, SetAndGetTargetBitrate(audio_encoder_.get(), 9999));
EXPECT_EQ(10000, SetAndGetTargetBitrate(audio_encoder_.get(), 10000));
EXPECT_EQ(23456, SetAndGetTargetBitrate(audio_encoder_.get(), 23456));
EXPECT_EQ(32000, SetAndGetTargetBitrate(audio_encoder_.get(), 32000));
EXPECT_EQ(32000, SetAndGetTargetBitrate(audio_encoder_.get(), 32001));
const int overhead_rate =
8 * kOverheadBytesPerPacket * codec_input_rate_hz_ / frame_size_;
EXPECT_EQ(10000,
SetAndGetTargetBitrate(audio_encoder_.get(), 9999 + overhead_rate));
EXPECT_EQ(10000, SetAndGetTargetBitrate(audio_encoder_.get(),
10000 + overhead_rate));
EXPECT_EQ(23456, SetAndGetTargetBitrate(audio_encoder_.get(),
23456 + overhead_rate));
EXPECT_EQ(32000, SetAndGetTargetBitrate(audio_encoder_.get(),
32000 + overhead_rate));
EXPECT_EQ(32000, SetAndGetTargetBitrate(audio_encoder_.get(),
32001 + overhead_rate));
}
TEST_F(AudioDecoderG722Test, EncodeDecode) {
@ -622,11 +650,18 @@ TEST_P(AudioDecoderOpusTest, EncodeDecode) {
}
TEST_P(AudioDecoderOpusTest, SetTargetBitrate) {
EXPECT_EQ(6000, SetAndGetTargetBitrate(audio_encoder_.get(), 5999));
EXPECT_EQ(6000, SetAndGetTargetBitrate(audio_encoder_.get(), 6000));
EXPECT_EQ(32000, SetAndGetTargetBitrate(audio_encoder_.get(), 32000));
EXPECT_EQ(510000, SetAndGetTargetBitrate(audio_encoder_.get(), 510000));
EXPECT_EQ(510000, SetAndGetTargetBitrate(audio_encoder_.get(), 511000));
const int overhead_rate =
8 * kOverheadBytesPerPacket * codec_input_rate_hz_ / frame_size_;
EXPECT_EQ(6000,
SetAndGetTargetBitrate(audio_encoder_.get(), 5999 + overhead_rate));
EXPECT_EQ(6000,
SetAndGetTargetBitrate(audio_encoder_.get(), 6000 + overhead_rate));
EXPECT_EQ(32000, SetAndGetTargetBitrate(audio_encoder_.get(),
32000 + overhead_rate));
EXPECT_EQ(510000, SetAndGetTargetBitrate(audio_encoder_.get(),
510000 + overhead_rate));
EXPECT_EQ(510000, SetAndGetTargetBitrate(audio_encoder_.get(),
511000 + overhead_rate));
}
} // namespace webrtc