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android / platform / external / webrtc / 8fb30c328b7b5e1ad33e970d1dabca55fdc18926 / . / talk / media / webrtc / webrtcvoiceengine_unittest.cc
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/*
* libjingle
* Copyright 2008 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "webrtc/base/byteorder.h"
#include "webrtc/base/gunit.h"
#include "webrtc/call.h"
#include "talk/media/base/constants.h"
#include "talk/media/base/fakemediaengine.h"
#include "talk/media/base/fakenetworkinterface.h"
#include "talk/media/base/fakertp.h"
#include "talk/media/webrtc/fakewebrtccall.h"
#include "talk/media/webrtc/fakewebrtcvoiceengine.h"
#include "talk/media/webrtc/webrtcvoiceengine.h"
#include "webrtc/p2p/base/faketransportcontroller.h"
#include "talk/session/media/channel.h"
// Tests for the WebRtcVoiceEngine/VoiceChannel code.
using cricket::kRtpAudioLevelHeaderExtension;
using cricket::kRtpAbsoluteSenderTimeHeaderExtension;
static const cricket::AudioCodec kPcmuCodec(0, "PCMU", 8000, 64000, 1, 0);
static const cricket::AudioCodec kIsacCodec(103, "ISAC", 16000, 32000, 1, 0);
static const cricket::AudioCodec kOpusCodec(111, "opus", 48000, 64000, 2, 0);
static const cricket::AudioCodec kG722CodecVoE(9, "G722", 16000, 64000, 1, 0);
static const cricket::AudioCodec kG722CodecSdp(9, "G722", 8000, 64000, 1, 0);
static const cricket::AudioCodec kRedCodec(117, "red", 8000, 0, 1, 0);
static const cricket::AudioCodec kCn8000Codec(13, "CN", 8000, 0, 1, 0);
static const cricket::AudioCodec kCn16000Codec(105, "CN", 16000, 0, 1, 0);
static const cricket::AudioCodec
kTelephoneEventCodec(106, "telephone-event", 8000, 0, 1, 0);
static const cricket::AudioCodec* const kAudioCodecs[] = {
&kPcmuCodec, &kIsacCodec, &kOpusCodec, &kG722CodecVoE, &kRedCodec,
&kCn8000Codec, &kCn16000Codec, &kTelephoneEventCodec,
};
static uint32_t kSsrc1 = 0x99;
static uint32_t kSsrc2 = 0x98;
class FakeVoEWrapper : public cricket::VoEWrapper {
public:
explicit FakeVoEWrapper(cricket::FakeWebRtcVoiceEngine* engine)
: cricket::VoEWrapper(engine, // processing
engine, // base
engine, // codec
engine, // dtmf
engine, // hw
engine, // neteq
engine, // network
engine, // rtp
engine, // sync
engine) { // volume
}
};
class FakeVoETraceWrapper : public cricket::VoETraceWrapper {
public:
int SetTraceFilter(const unsigned int filter) override {
filter_ = filter;
return 0;
}
int SetTraceFile(const char* fileNameUTF8) override { return 0; }
int SetTraceCallback(webrtc::TraceCallback* callback) override { return 0; }
unsigned int filter_;
};
class WebRtcVoiceEngineTestFake : public testing::Test {
public:
WebRtcVoiceEngineTestFake()
: call_(webrtc::Call::Config()),
voe_(kAudioCodecs, ARRAY_SIZE(kAudioCodecs)),
trace_wrapper_(new FakeVoETraceWrapper()),
engine_(new FakeVoEWrapper(&voe_), trace_wrapper_),
channel_(nullptr) {
send_parameters_.codecs.push_back(kPcmuCodec);
recv_parameters_.codecs.push_back(kPcmuCodec);
options_conference_.conference_mode.Set(true);
options_adjust_agc_.adjust_agc_delta.Set(-10);
}
bool SetupEngineWithoutStream() {
if (!engine_.Init(rtc::Thread::Current())) {
return false;
}
channel_ = engine_.CreateChannel(&call_, cricket::AudioOptions());
return (channel_ != nullptr);
}
bool SetupEngine() {
if (!SetupEngineWithoutStream()) {
return false;
}
return channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(kSsrc1));
}
void SetupForMultiSendStream() {
EXPECT_TRUE(SetupEngine());
// Remove stream added in Setup, which is corresponding to default channel.
int default_channel_num = voe_.GetLastChannel();
uint32_t default_send_ssrc = 0u;
EXPECT_EQ(0, voe_.GetLocalSSRC(default_channel_num, default_send_ssrc));
EXPECT_EQ(kSsrc1, default_send_ssrc);
EXPECT_TRUE(channel_->RemoveSendStream(default_send_ssrc));
// Verify the default channel still exists.
EXPECT_EQ(0, voe_.GetLocalSSRC(default_channel_num, default_send_ssrc));
}
void DeliverPacket(const void* data, int len) {
rtc::Buffer packet(reinterpret_cast<const uint8_t*>(data), len);
channel_->OnPacketReceived(&packet, rtc::PacketTime());
}
void TearDown() override {
delete channel_;
engine_.Terminate();
}
void TestInsertDtmf(uint32_t ssrc, bool caller) {
EXPECT_TRUE(engine_.Init(rtc::Thread::Current()));
channel_ = engine_.CreateChannel(&call_, cricket::AudioOptions());
EXPECT_TRUE(channel_ != nullptr);
if (caller) {
// if this is a caller, local description will be applied and add the
// send stream.
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(kSsrc1)));
}
int channel_id = voe_.GetLastChannel();
// Test we can only InsertDtmf when the other side supports telephone-event.
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_TRUE(channel_->SetSend(cricket::SEND_MICROPHONE));
EXPECT_FALSE(channel_->CanInsertDtmf());
EXPECT_FALSE(channel_->InsertDtmf(ssrc, 1, 111, cricket::DF_SEND));
send_parameters_.codecs.push_back(kTelephoneEventCodec);
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_TRUE(channel_->CanInsertDtmf());
if (!caller) {
// There's no active send channel yet.
EXPECT_FALSE(channel_->InsertDtmf(ssrc, 2, 123, cricket::DF_SEND));
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(kSsrc1)));
}
// Check we fail if the ssrc is invalid.
EXPECT_FALSE(channel_->InsertDtmf(-1, 1, 111, cricket::DF_SEND));
// Test send
EXPECT_FALSE(voe_.WasSendTelephoneEventCalled(channel_id, 2, 123));
EXPECT_TRUE(channel_->InsertDtmf(ssrc, 2, 123, cricket::DF_SEND));
EXPECT_TRUE(voe_.WasSendTelephoneEventCalled(channel_id, 2, 123));
// Test play
EXPECT_FALSE(voe_.WasPlayDtmfToneCalled(3, 134));
EXPECT_TRUE(channel_->InsertDtmf(ssrc, 3, 134, cricket::DF_PLAY));
EXPECT_TRUE(voe_.WasPlayDtmfToneCalled(3, 134));
// Test send and play
EXPECT_FALSE(voe_.WasSendTelephoneEventCalled(channel_id, 4, 145));
EXPECT_FALSE(voe_.WasPlayDtmfToneCalled(4, 145));
EXPECT_TRUE(channel_->InsertDtmf(ssrc, 4, 145,
cricket::DF_PLAY | cricket::DF_SEND));
EXPECT_TRUE(voe_.WasSendTelephoneEventCalled(channel_id, 4, 145));
EXPECT_TRUE(voe_.WasPlayDtmfToneCalled(4, 145));
}
// Test that send bandwidth is set correctly.
// |codec| is the codec under test.
// |max_bitrate| is a parameter to set to SetMaxSendBandwidth().
// |expected_result| is the expected result from SetMaxSendBandwidth().
// |expected_bitrate| is the expected audio bitrate afterward.
void TestSendBandwidth(const cricket::AudioCodec& codec,
int max_bitrate,
bool expected_result,
int expected_bitrate) {
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(codec);
parameters.max_bandwidth_bps = max_bitrate;
EXPECT_EQ(expected_result, channel_->SetSendParameters(parameters));
int channel_num = voe_.GetLastChannel();
webrtc::CodecInst temp_codec;
EXPECT_FALSE(voe_.GetSendCodec(channel_num, temp_codec));
EXPECT_EQ(expected_bitrate, temp_codec.rate);
}
void TestSetSendRtpHeaderExtensions(const std::string& ext) {
EXPECT_TRUE(SetupEngineWithoutStream());
int channel_num = voe_.GetLastChannel();
// Ensure extensions are off by default.
EXPECT_EQ(-1, voe_.GetSendRtpExtensionId(channel_num, ext));
// Ensure unknown extensions won't cause an error.
send_parameters_.extensions.push_back(cricket::RtpHeaderExtension(
"urn:ietf:params:unknownextention", 1));
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_EQ(-1, voe_.GetSendRtpExtensionId(channel_num, ext));
// Ensure extensions stay off with an empty list of headers.
send_parameters_.extensions.clear();
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_EQ(-1, voe_.GetSendRtpExtensionId(channel_num, ext));
// Ensure extension is set properly.
const int id = 1;
send_parameters_.extensions.push_back(cricket::RtpHeaderExtension(ext, id));
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_EQ(id, voe_.GetSendRtpExtensionId(channel_num, ext));
// Ensure extension is set properly on new channel.
// The first stream to occupy the default channel.
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(123)));
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(234)));
int new_channel_num = voe_.GetLastChannel();
EXPECT_NE(channel_num, new_channel_num);
EXPECT_EQ(id, voe_.GetSendRtpExtensionId(new_channel_num, ext));
// Ensure all extensions go back off with an empty list.
send_parameters_.codecs.push_back(kPcmuCodec);
send_parameters_.extensions.clear();
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_EQ(-1, voe_.GetSendRtpExtensionId(channel_num, ext));
EXPECT_EQ(-1, voe_.GetSendRtpExtensionId(new_channel_num, ext));
}
void TestSetRecvRtpHeaderExtensions(const std::string& ext) {
EXPECT_TRUE(SetupEngineWithoutStream());
int channel_num = voe_.GetLastChannel();
// Ensure extensions are off by default.
EXPECT_EQ(-1, voe_.GetReceiveRtpExtensionId(channel_num, ext));
cricket::AudioRecvParameters parameters;
// Ensure unknown extensions won't cause an error.
parameters.extensions.push_back(cricket::RtpHeaderExtension(
"urn:ietf:params:unknownextention", 1));
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
EXPECT_EQ(-1, voe_.GetReceiveRtpExtensionId(channel_num, ext));
// Ensure extensions stay off with an empty list of headers.
parameters.extensions.clear();
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
EXPECT_EQ(-1, voe_.GetReceiveRtpExtensionId(channel_num, ext));
// Ensure extension is set properly.
const int id = 2;
parameters.extensions.push_back(cricket::RtpHeaderExtension(ext, id));
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
EXPECT_EQ(id, voe_.GetReceiveRtpExtensionId(channel_num, ext));
// Ensure extension is set properly on new channel.
// The first stream to occupy the default channel.
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(345)));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(456)));
int new_channel_num = voe_.GetLastChannel();
EXPECT_NE(channel_num, new_channel_num);
EXPECT_EQ(id, voe_.GetReceiveRtpExtensionId(new_channel_num, ext));
// Ensure all extensions go back off with an empty list.
parameters.extensions.clear();
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
EXPECT_EQ(-1, voe_.GetReceiveRtpExtensionId(channel_num, ext));
EXPECT_EQ(-1, voe_.GetReceiveRtpExtensionId(new_channel_num, ext));
}
protected:
cricket::FakeCall call_;
cricket::FakeWebRtcVoiceEngine voe_;
FakeVoETraceWrapper* trace_wrapper_;
cricket::WebRtcVoiceEngine engine_;
cricket::VoiceMediaChannel* channel_;
cricket::AudioSendParameters send_parameters_;
cricket::AudioRecvParameters recv_parameters_;
cricket::AudioOptions options_conference_;
cricket::AudioOptions options_adjust_agc_;
};
// Tests that our stub library "works".
TEST_F(WebRtcVoiceEngineTestFake, StartupShutdown) {
EXPECT_FALSE(voe_.IsInited());
EXPECT_TRUE(engine_.Init(rtc::Thread::Current()));
EXPECT_TRUE(voe_.IsInited());
engine_.Terminate();
EXPECT_FALSE(voe_.IsInited());
}
// Tests that we can create and destroy a channel.
TEST_F(WebRtcVoiceEngineTestFake, CreateChannel) {
EXPECT_TRUE(engine_.Init(rtc::Thread::Current()));
channel_ = engine_.CreateChannel(&call_, cricket::AudioOptions());
EXPECT_TRUE(channel_ != nullptr);
}
// Tests that we properly handle failures in CreateChannel.
TEST_F(WebRtcVoiceEngineTestFake, CreateChannelFail) {
voe_.set_fail_create_channel(true);
EXPECT_TRUE(engine_.Init(rtc::Thread::Current()));
channel_ = engine_.CreateChannel(&call_, cricket::AudioOptions());
EXPECT_TRUE(channel_ == nullptr);
}
// Tests that the list of supported codecs is created properly and ordered
// correctly
TEST_F(WebRtcVoiceEngineTestFake, CodecPreference) {
const std::vector<cricket::AudioCodec>& codecs = engine_.codecs();
ASSERT_FALSE(codecs.empty());
EXPECT_STRCASEEQ("opus", codecs[0].name.c_str());
EXPECT_EQ(48000, codecs[0].clockrate);
EXPECT_EQ(2, codecs[0].channels);
EXPECT_EQ(64000, codecs[0].bitrate);
int pref = codecs[0].preference;
for (size_t i = 1; i < codecs.size(); ++i) {
EXPECT_GT(pref, codecs[i].preference);
pref = codecs[i].preference;
}
}
// Tests that we can find codecs by name or id, and that we interpret the
// clockrate and bitrate fields properly.
TEST_F(WebRtcVoiceEngineTestFake, FindCodec) {
cricket::AudioCodec codec;
webrtc::CodecInst codec_inst;
// Find PCMU with explicit clockrate and bitrate.
EXPECT_TRUE(engine_.FindWebRtcCodec(kPcmuCodec, &codec_inst));
// Find ISAC with explicit clockrate and 0 bitrate.
EXPECT_TRUE(engine_.FindWebRtcCodec(kIsacCodec, &codec_inst));
// Find telephone-event with explicit clockrate and 0 bitrate.
EXPECT_TRUE(engine_.FindWebRtcCodec(kTelephoneEventCodec, &codec_inst));
// Find ISAC with a different payload id.
codec = kIsacCodec;
codec.id = 127;
EXPECT_TRUE(engine_.FindWebRtcCodec(codec, &codec_inst));
EXPECT_EQ(codec.id, codec_inst.pltype);
// Find PCMU with a 0 clockrate.
codec = kPcmuCodec;
codec.clockrate = 0;
EXPECT_TRUE(engine_.FindWebRtcCodec(codec, &codec_inst));
EXPECT_EQ(codec.id, codec_inst.pltype);
EXPECT_EQ(8000, codec_inst.plfreq);
// Find PCMU with a 0 bitrate.
codec = kPcmuCodec;
codec.bitrate = 0;
EXPECT_TRUE(engine_.FindWebRtcCodec(codec, &codec_inst));
EXPECT_EQ(codec.id, codec_inst.pltype);
EXPECT_EQ(64000, codec_inst.rate);
// Find ISAC with an explicit bitrate.
codec = kIsacCodec;
codec.bitrate = 32000;
EXPECT_TRUE(engine_.FindWebRtcCodec(codec, &codec_inst));
EXPECT_EQ(codec.id, codec_inst.pltype);
EXPECT_EQ(32000, codec_inst.rate);
}
// Test that we set our inbound codecs properly, including changing PT.
TEST_F(WebRtcVoiceEngineTestFake, SetRecvCodecs) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioRecvParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs.push_back(kTelephoneEventCodec);
parameters.codecs[0].id = 106; // collide with existing telephone-event
parameters.codecs[2].id = 126;
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
webrtc::CodecInst gcodec;
rtc::strcpyn(gcodec.plname, ARRAY_SIZE(gcodec.plname), "ISAC");
gcodec.plfreq = 16000;
gcodec.channels = 1;
EXPECT_EQ(0, voe_.GetRecPayloadType(channel_num, gcodec));
EXPECT_EQ(106, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
rtc::strcpyn(gcodec.plname, ARRAY_SIZE(gcodec.plname),
"telephone-event");
gcodec.plfreq = 8000;
EXPECT_EQ(0, voe_.GetRecPayloadType(channel_num, gcodec));
EXPECT_EQ(126, gcodec.pltype);
EXPECT_STREQ("telephone-event", gcodec.plname);
}
// Test that we fail to set an unknown inbound codec.
TEST_F(WebRtcVoiceEngineTestFake, SetRecvCodecsUnsupportedCodec) {
EXPECT_TRUE(SetupEngine());
cricket::AudioRecvParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(cricket::AudioCodec(127, "XYZ", 32000, 0, 1, 0));
EXPECT_FALSE(channel_->SetRecvParameters(parameters));
}
// Test that we fail if we have duplicate types in the inbound list.
TEST_F(WebRtcVoiceEngineTestFake, SetRecvCodecsDuplicatePayloadType) {
EXPECT_TRUE(SetupEngine());
cricket::AudioRecvParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kCn16000Codec);
parameters.codecs[1].id = kIsacCodec.id;
EXPECT_FALSE(channel_->SetRecvParameters(parameters));
}
// Test that we can decode OPUS without stereo parameters.
TEST_F(WebRtcVoiceEngineTestFake, SetRecvCodecsWithOpusNoStereo) {
EXPECT_TRUE(SetupEngine());
cricket::AudioRecvParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs.push_back(kOpusCodec);
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc1)));
int channel_num2 = voe_.GetLastChannel();
webrtc::CodecInst opus;
engine_.FindWebRtcCodec(kOpusCodec, &opus);
// Even without stereo parameters, recv codecs still specify channels = 2.
EXPECT_EQ(2, opus.channels);
EXPECT_EQ(111, opus.pltype);
EXPECT_STREQ("opus", opus.plname);
opus.pltype = 0;
EXPECT_EQ(0, voe_.GetRecPayloadType(channel_num2, opus));
EXPECT_EQ(111, opus.pltype);
}
// Test that we can decode OPUS with stereo = 0.
TEST_F(WebRtcVoiceEngineTestFake, SetRecvCodecsWithOpus0Stereo) {
EXPECT_TRUE(SetupEngine());
cricket::AudioRecvParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[2].params["stereo"] = "0";
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc1)));
int channel_num2 = voe_.GetLastChannel();
webrtc::CodecInst opus;
engine_.FindWebRtcCodec(kOpusCodec, &opus);
// Even when stereo is off, recv codecs still specify channels = 2.
EXPECT_EQ(2, opus.channels);
EXPECT_EQ(111, opus.pltype);
EXPECT_STREQ("opus", opus.plname);
opus.pltype = 0;
EXPECT_EQ(0, voe_.GetRecPayloadType(channel_num2, opus));
EXPECT_EQ(111, opus.pltype);
}
// Test that we can decode OPUS with stereo = 1.
TEST_F(WebRtcVoiceEngineTestFake, SetRecvCodecsWithOpus1Stereo) {
EXPECT_TRUE(SetupEngine());
cricket::AudioRecvParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[2].params["stereo"] = "1";
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc1)));
int channel_num2 = voe_.GetLastChannel();
webrtc::CodecInst opus;
engine_.FindWebRtcCodec(kOpusCodec, &opus);
EXPECT_EQ(2, opus.channels);
EXPECT_EQ(111, opus.pltype);
EXPECT_STREQ("opus", opus.plname);
opus.pltype = 0;
EXPECT_EQ(0, voe_.GetRecPayloadType(channel_num2, opus));
EXPECT_EQ(111, opus.pltype);
}
// Test that changes to recv codecs are applied to all streams.
TEST_F(WebRtcVoiceEngineTestFake, SetRecvCodecsWithMultipleStreams) {
EXPECT_TRUE(SetupEngine());
cricket::AudioRecvParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs.push_back(kTelephoneEventCodec);
parameters.codecs[0].id = 106; // collide with existing telephone-event
parameters.codecs[2].id = 126;
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc1)));
int channel_num2 = voe_.GetLastChannel();
webrtc::CodecInst gcodec;
rtc::strcpyn(gcodec.plname, ARRAY_SIZE(gcodec.plname), "ISAC");
gcodec.plfreq = 16000;
gcodec.channels = 1;
EXPECT_EQ(0, voe_.GetRecPayloadType(channel_num2, gcodec));
EXPECT_EQ(106, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
rtc::strcpyn(gcodec.plname, ARRAY_SIZE(gcodec.plname),
"telephone-event");
gcodec.plfreq = 8000;
gcodec.channels = 1;
EXPECT_EQ(0, voe_.GetRecPayloadType(channel_num2, gcodec));
EXPECT_EQ(126, gcodec.pltype);
EXPECT_STREQ("telephone-event", gcodec.plname);
}
TEST_F(WebRtcVoiceEngineTestFake, SetRecvCodecsAfterAddingStreams) {
EXPECT_TRUE(SetupEngine());
cricket::AudioRecvParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs[0].id = 106; // collide with existing telephone-event
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc1)));
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
int channel_num2 = voe_.GetLastChannel();
webrtc::CodecInst gcodec;
rtc::strcpyn(gcodec.plname, ARRAY_SIZE(gcodec.plname), "ISAC");
gcodec.plfreq = 16000;
gcodec.channels = 1;
EXPECT_EQ(0, voe_.GetRecPayloadType(channel_num2, gcodec));
EXPECT_EQ(106, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
}
// Test that we can apply the same set of codecs again while playing.
TEST_F(WebRtcVoiceEngineTestFake, SetRecvCodecsWhilePlaying) {
EXPECT_TRUE(SetupEngine());
cricket::AudioRecvParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kCn16000Codec);
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
EXPECT_TRUE(channel_->SetPlayout(true));
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
// Changing the payload type of a codec should fail.
parameters.codecs[0].id = 127;
EXPECT_FALSE(channel_->SetRecvParameters(parameters));
int channel_num = voe_.GetLastChannel();
EXPECT_TRUE(voe_.GetPlayout(channel_num));
}
// Test that we can add a codec while playing.
TEST_F(WebRtcVoiceEngineTestFake, AddRecvCodecsWhilePlaying) {
EXPECT_TRUE(SetupEngine());
cricket::AudioRecvParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kCn16000Codec);
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
EXPECT_TRUE(channel_->SetPlayout(true));
parameters.codecs.push_back(kOpusCodec);
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
int channel_num = voe_.GetLastChannel();
EXPECT_TRUE(voe_.GetPlayout(channel_num));
webrtc::CodecInst gcodec;
EXPECT_TRUE(engine_.FindWebRtcCodec(kOpusCodec, &gcodec));
EXPECT_EQ(kOpusCodec.id, gcodec.pltype);
}
TEST_F(WebRtcVoiceEngineTestFake, SetSendBandwidthAuto) {
EXPECT_TRUE(SetupEngine());
// Test that when autobw is enabled, bitrate is kept as the default
// value. autobw is enabled for the following tests because the target
// bitrate is <= 0.
// ISAC, default bitrate == 32000.
TestSendBandwidth(kIsacCodec, 0, true, 32000);
// PCMU, default bitrate == 64000.
TestSendBandwidth(kPcmuCodec, -1, true, 64000);
// opus, default bitrate == 64000.
TestSendBandwidth(kOpusCodec, -1, true, 64000);
}
TEST_F(WebRtcVoiceEngineTestFake, SetMaxSendBandwidthMultiRateAsCaller) {
EXPECT_TRUE(SetupEngine());
// Test that the bitrate of a multi-rate codec is always the maximum.
// ISAC, default bitrate == 32000.
TestSendBandwidth(kIsacCodec, 128000, true, 128000);
TestSendBandwidth(kIsacCodec, 16000, true, 16000);
// opus, default bitrate == 64000.
TestSendBandwidth(kOpusCodec, 96000, true, 96000);
TestSendBandwidth(kOpusCodec, 48000, true, 48000);
}
TEST_F(WebRtcVoiceEngineTestFake, SetMaxSendBandwidthFixedRateAsCaller) {
EXPECT_TRUE(SetupEngine());
// Test that we can only set a maximum bitrate for a fixed-rate codec
// if it's bigger than the fixed rate.
// PCMU, fixed bitrate == 64000.
TestSendBandwidth(kPcmuCodec, 0, true, 64000);
TestSendBandwidth(kPcmuCodec, 1, false, 64000);
TestSendBandwidth(kPcmuCodec, 128000, true, 64000);
TestSendBandwidth(kPcmuCodec, 32000, false, 64000);
TestSendBandwidth(kPcmuCodec, 64000, true, 64000);
TestSendBandwidth(kPcmuCodec, 63999, false, 64000);
TestSendBandwidth(kPcmuCodec, 64001, true, 64000);
}
TEST_F(WebRtcVoiceEngineTestFake, SetMaxSendBandwidthMultiRateAsCallee) {
EXPECT_TRUE(SetupEngineWithoutStream());
const int kDesiredBitrate = 128000;
cricket::AudioSendParameters parameters;
parameters.codecs = engine_.codecs();
parameters.max_bandwidth_bps = kDesiredBitrate;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(kSsrc1)));
int channel_num = voe_.GetLastChannel();
webrtc::CodecInst codec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, codec));
EXPECT_EQ(kDesiredBitrate, codec.rate);
}
// Test that bitrate cannot be set for CBR codecs.
// Bitrate is ignored if it is higher than the fixed bitrate.
// Bitrate less then the fixed bitrate is an error.
TEST_F(WebRtcVoiceEngineTestFake, SetMaxSendBandwidthCbr) {
EXPECT_TRUE(SetupEngine());
// PCMU, default bitrate == 64000.
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
int channel_num = voe_.GetLastChannel();
webrtc::CodecInst codec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, codec));
EXPECT_EQ(64000, codec.rate);
send_parameters_.max_bandwidth_bps = 128000;
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, codec));
EXPECT_EQ(64000, codec.rate);
send_parameters_.max_bandwidth_bps = 128;
EXPECT_FALSE(channel_->SetSendParameters(send_parameters_));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, codec));
EXPECT_EQ(64000, codec.rate);
}
// Test that we apply codecs properly.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecs) {
EXPECT_TRUE(SetupEngine());
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs.push_back(kRedCodec);
parameters.codecs[0].id = 96;
parameters.codecs[0].bitrate = 48000;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(1, voe_.GetNumSetSendCodecs());
int channel_num = voe_.GetLastChannel();
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(96, gcodec.pltype);
EXPECT_EQ(48000, gcodec.rate);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_FALSE(voe_.GetVAD(channel_num));
EXPECT_FALSE(voe_.GetRED(channel_num));
EXPECT_EQ(13, voe_.GetSendCNPayloadType(channel_num, false));
EXPECT_EQ(105, voe_.GetSendCNPayloadType(channel_num, true));
EXPECT_EQ(106, voe_.GetSendTelephoneEventPayloadType(channel_num));
}
// Test that VoE Channel doesn't call SetSendCodec again if same codec is tried
// to apply.
TEST_F(WebRtcVoiceEngineTestFake, DontResetSetSendCodec) {
EXPECT_TRUE(SetupEngine());
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs.push_back(kRedCodec);
parameters.codecs[0].id = 96;
parameters.codecs[0].bitrate = 48000;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(1, voe_.GetNumSetSendCodecs());
// Calling SetSendCodec again with same codec which is already set.
// In this case media channel shouldn't send codec to VoE.
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(1, voe_.GetNumSetSendCodecs());
}
// Verify that G722 is set with 16000 samples per second to WebRTC.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecG722) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kG722CodecSdp);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("G722", gcodec.plname);
EXPECT_EQ(1, gcodec.channels);
EXPECT_EQ(16000, gcodec.plfreq);
}
// Test that if clockrate is not 48000 for opus, we fail.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusBadClockrate) {
EXPECT_TRUE(SetupEngine());
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].clockrate = 50000;
EXPECT_FALSE(channel_->SetSendParameters(parameters));
}
// Test that if channels=0 for opus, we fail.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusBad0ChannelsNoStereo) {
EXPECT_TRUE(SetupEngine());
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].channels = 0;
EXPECT_FALSE(channel_->SetSendParameters(parameters));
}
// Test that if channels=0 for opus, we fail.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusBad0Channels1Stereo) {
EXPECT_TRUE(SetupEngine());
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].channels = 0;
parameters.codecs[0].params["stereo"] = "1";
EXPECT_FALSE(channel_->SetSendParameters(parameters));
}
// Test that if channel is 1 for opus and there's no stereo, we fail.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpus1ChannelNoStereo) {
EXPECT_TRUE(SetupEngine());
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].channels = 1;
EXPECT_FALSE(channel_->SetSendParameters(parameters));
}
// Test that if channel is 1 for opus and stereo=0, we fail.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusBad1Channel0Stereo) {
EXPECT_TRUE(SetupEngine());
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].channels = 1;
parameters.codecs[0].params["stereo"] = "0";
EXPECT_FALSE(channel_->SetSendParameters(parameters));
}
// Test that if channel is 1 for opus and stereo=1, we fail.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusBad1Channel1Stereo) {
EXPECT_TRUE(SetupEngine());
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].channels = 1;
parameters.codecs[0].params["stereo"] = "1";
EXPECT_FALSE(channel_->SetSendParameters(parameters));
}
// Test that with bitrate=0 and no stereo,
// channels and bitrate are 1 and 32000.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusGood0BitrateNoStereo) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(1, gcodec.channels);
EXPECT_EQ(32000, gcodec.rate);
}
// Test that with bitrate=0 and stereo=0,
// channels and bitrate are 1 and 32000.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusGood0Bitrate0Stereo) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].params["stereo"] = "0";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(1, gcodec.channels);
EXPECT_EQ(32000, gcodec.rate);
}
// Test that with bitrate=invalid and stereo=0,
// channels and bitrate are 1 and 32000.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusGoodXBitrate0Stereo) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].params["stereo"] = "0";
webrtc::CodecInst gcodec;
// bitrate that's out of the range between 6000 and 510000 will be clamped.
parameters.codecs[0].bitrate = 5999;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(1, gcodec.channels);
EXPECT_EQ(6000, gcodec.rate);
parameters.codecs[0].bitrate = 510001;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(1, gcodec.channels);
EXPECT_EQ(510000, gcodec.rate);
}
// Test that with bitrate=0 and stereo=1,
// channels and bitrate are 2 and 64000.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusGood0Bitrate1Stereo) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].params["stereo"] = "1";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(2, gcodec.channels);
EXPECT_EQ(64000, gcodec.rate);
}
// Test that with bitrate=invalid and stereo=1,
// channels and bitrate are 2 and 64000.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusGoodXBitrate1Stereo) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].params["stereo"] = "1";
webrtc::CodecInst gcodec;
// bitrate that's out of the range between 6000 and 510000 will be clamped.
parameters.codecs[0].bitrate = 5999;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(2, gcodec.channels);
EXPECT_EQ(6000, gcodec.rate);
parameters.codecs[0].bitrate = 510001;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(2, gcodec.channels);
EXPECT_EQ(510000, gcodec.rate);
}
// Test that with bitrate=N and stereo unset,
// channels and bitrate are 1 and N.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusGoodNBitrateNoStereo) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 96000;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(111, gcodec.pltype);
EXPECT_EQ(96000, gcodec.rate);
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(1, gcodec.channels);
EXPECT_EQ(48000, gcodec.plfreq);
}
// Test that with bitrate=N and stereo=0,
// channels and bitrate are 1 and N.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusGoodNBitrate0Stereo) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 30000;
parameters.codecs[0].params["stereo"] = "0";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(1, gcodec.channels);
EXPECT_EQ(30000, gcodec.rate);
EXPECT_STREQ("opus", gcodec.plname);
}
// Test that with bitrate=N and without any parameters,
// channels and bitrate are 1 and N.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusGoodNBitrateNoParameters) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 30000;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(1, gcodec.channels);
EXPECT_EQ(30000, gcodec.rate);
EXPECT_STREQ("opus", gcodec.plname);
}
// Test that with bitrate=N and stereo=1,
// channels and bitrate are 2 and N.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusGoodNBitrate1Stereo) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 30000;
parameters.codecs[0].params["stereo"] = "1";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(2, gcodec.channels);
EXPECT_EQ(30000, gcodec.rate);
EXPECT_STREQ("opus", gcodec.plname);
}
// Test that bitrate will be overridden by the "maxaveragebitrate" parameter.
// Also test that the "maxaveragebitrate" can't be set to values outside the
// range of 6000 and 510000
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusMaxAverageBitrate) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 30000;
webrtc::CodecInst gcodec;
// Ignore if less than 6000.
parameters.codecs[0].params["maxaveragebitrate"] = "5999";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(6000, gcodec.rate);
// Ignore if larger than 510000.
parameters.codecs[0].params["maxaveragebitrate"] = "510001";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(510000, gcodec.rate);
parameters.codecs[0].params["maxaveragebitrate"] = "200000";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(200000, gcodec.rate);
}
// Test that we can enable NACK with opus as caller.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecEnableNackAsCaller) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].AddFeedbackParam(
cricket::FeedbackParam(cricket::kRtcpFbParamNack,
cricket::kParamValueEmpty));
EXPECT_FALSE(voe_.GetNACK(channel_num));
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_TRUE(voe_.GetNACK(channel_num));
}
// Test that we can enable NACK with opus as callee.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecEnableNackAsCallee) {
EXPECT_TRUE(SetupEngineWithoutStream());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].AddFeedbackParam(
cricket::FeedbackParam(cricket::kRtcpFbParamNack,
cricket::kParamValueEmpty));
EXPECT_FALSE(voe_.GetNACK(channel_num));
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_FALSE(voe_.GetNACK(channel_num));
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(kSsrc1)));
EXPECT_TRUE(voe_.GetNACK(channel_num));
}
// Test that we can enable NACK on receive streams.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecEnableNackRecvStreams) {
EXPECT_TRUE(SetupEngine());
int channel_num1 = voe_.GetLastChannel();
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
int channel_num2 = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].AddFeedbackParam(
cricket::FeedbackParam(cricket::kRtcpFbParamNack,
cricket::kParamValueEmpty));
EXPECT_FALSE(voe_.GetNACK(channel_num1));
EXPECT_FALSE(voe_.GetNACK(channel_num2));
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_TRUE(voe_.GetNACK(channel_num1));
EXPECT_TRUE(voe_.GetNACK(channel_num2));
}
// Test that we can disable NACK.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecDisableNack) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].AddFeedbackParam(
cricket::FeedbackParam(cricket::kRtcpFbParamNack,
cricket::kParamValueEmpty));
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_TRUE(voe_.GetNACK(channel_num));
parameters.codecs.clear();
parameters.codecs.push_back(kOpusCodec);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_FALSE(voe_.GetNACK(channel_num));
}
// Test that we can disable NACK on receive streams.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecDisableNackRecvStreams) {
EXPECT_TRUE(SetupEngine());
int channel_num1 = voe_.GetLastChannel();
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
int channel_num2 = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].AddFeedbackParam(
cricket::FeedbackParam(cricket::kRtcpFbParamNack,
cricket::kParamValueEmpty));
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_TRUE(voe_.GetNACK(channel_num1));
EXPECT_TRUE(voe_.GetNACK(channel_num2));
parameters.codecs.clear();
parameters.codecs.push_back(kOpusCodec);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_FALSE(voe_.GetNACK(channel_num1));
EXPECT_FALSE(voe_.GetNACK(channel_num2));
}
// Test that NACK is enabled on a new receive stream.
TEST_F(WebRtcVoiceEngineTestFake, AddRecvStreamEnableNack) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kCn16000Codec);
parameters.codecs[0].AddFeedbackParam(
cricket::FeedbackParam(cricket::kRtcpFbParamNack,
cricket::kParamValueEmpty));
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_TRUE(voe_.GetNACK(channel_num));
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
channel_num = voe_.GetLastChannel();
EXPECT_TRUE(voe_.GetNACK(channel_num));
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(3)));
channel_num = voe_.GetLastChannel();
EXPECT_TRUE(voe_.GetNACK(channel_num));
}
// Test that without useinbandfec, Opus FEC is off.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecNoOpusFec) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_FALSE(voe_.GetCodecFEC(channel_num));
}
// Test that with useinbandfec=0, Opus FEC is off.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusDisableFec) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].params["useinbandfec"] = "0";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_FALSE(voe_.GetCodecFEC(channel_num));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(1, gcodec.channels);
EXPECT_EQ(32000, gcodec.rate);
}
// Test that with useinbandfec=1, Opus FEC is on.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusEnableFec) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].params["useinbandfec"] = "1";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_TRUE(voe_.GetCodecFEC(channel_num));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(1, gcodec.channels);
EXPECT_EQ(32000, gcodec.rate);
}
// Test that with useinbandfec=1, stereo=1, Opus FEC is on.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecOpusEnableFecStereo) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].params["stereo"] = "1";
parameters.codecs[0].params["useinbandfec"] = "1";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_TRUE(voe_.GetCodecFEC(channel_num));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(2, gcodec.channels);
EXPECT_EQ(64000, gcodec.rate);
}
// Test that with non-Opus, codec FEC is off.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecIsacNoFec) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kIsacCodec);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_FALSE(voe_.GetCodecFEC(channel_num));
}
// Test the with non-Opus, even if useinbandfec=1, FEC is off.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecIsacWithParamNoFec) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs[0].params["useinbandfec"] = "1";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_FALSE(voe_.GetCodecFEC(channel_num));
}
// Test that Opus FEC status can be changed.
TEST_F(WebRtcVoiceEngineTestFake, ChangeOpusFecStatus) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_FALSE(voe_.GetCodecFEC(channel_num));
parameters.codecs[0].params["useinbandfec"] = "1";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_TRUE(voe_.GetCodecFEC(channel_num));
}
// Test maxplaybackrate <= 8000 triggers Opus narrow band mode.
TEST_F(WebRtcVoiceEngineTestFake, SetOpusMaxPlaybackRateNb) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].SetParam(cricket::kCodecParamMaxPlaybackRate, 8000);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(cricket::kOpusBandwidthNb,
voe_.GetMaxEncodingBandwidth(channel_num));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(12000, gcodec.rate);
parameters.codecs[0].SetParam(cricket::kCodecParamStereo, "1");
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(24000, gcodec.rate);
}
// Test 8000 < maxplaybackrate <= 12000 triggers Opus medium band mode.
TEST_F(WebRtcVoiceEngineTestFake, SetOpusMaxPlaybackRateMb) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].SetParam(cricket::kCodecParamMaxPlaybackRate, 8001);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(cricket::kOpusBandwidthMb,
voe_.GetMaxEncodingBandwidth(channel_num));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(20000, gcodec.rate);
parameters.codecs[0].SetParam(cricket::kCodecParamStereo, "1");
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(40000, gcodec.rate);
}
// Test 12000 < maxplaybackrate <= 16000 triggers Opus wide band mode.
TEST_F(WebRtcVoiceEngineTestFake, SetOpusMaxPlaybackRateWb) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].SetParam(cricket::kCodecParamMaxPlaybackRate, 12001);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(cricket::kOpusBandwidthWb,
voe_.GetMaxEncodingBandwidth(channel_num));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(20000, gcodec.rate);
parameters.codecs[0].SetParam(cricket::kCodecParamStereo, "1");
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(40000, gcodec.rate);
}
// Test 16000 < maxplaybackrate <= 24000 triggers Opus super wide band mode.
TEST_F(WebRtcVoiceEngineTestFake, SetOpusMaxPlaybackRateSwb) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].SetParam(cricket::kCodecParamMaxPlaybackRate, 16001);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(cricket::kOpusBandwidthSwb,
voe_.GetMaxEncodingBandwidth(channel_num));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(32000, gcodec.rate);
parameters.codecs[0].SetParam(cricket::kCodecParamStereo, "1");
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(64000, gcodec.rate);
}
// Test 24000 < maxplaybackrate triggers Opus full band mode.
TEST_F(WebRtcVoiceEngineTestFake, SetOpusMaxPlaybackRateFb) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].bitrate = 0;
parameters.codecs[0].SetParam(cricket::kCodecParamMaxPlaybackRate, 24001);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(cricket::kOpusBandwidthFb,
voe_.GetMaxEncodingBandwidth(channel_num));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(32000, gcodec.rate);
parameters.codecs[0].SetParam(cricket::kCodecParamStereo, "1");
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(64000, gcodec.rate);
}
// Test Opus that without maxplaybackrate, default playback rate is used.
TEST_F(WebRtcVoiceEngineTestFake, DefaultOpusMaxPlaybackRate) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(cricket::kOpusBandwidthFb,
voe_.GetMaxEncodingBandwidth(channel_num));
}
// Test the with non-Opus, maxplaybackrate has no effect.
TEST_F(WebRtcVoiceEngineTestFake, SetNonOpusMaxPlaybackRate) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs[0].SetParam(cricket::kCodecParamMaxPlaybackRate, 32000);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetMaxEncodingBandwidth(channel_num));
}
// Test maxplaybackrate can be set on two streams.
TEST_F(WebRtcVoiceEngineTestFake, SetOpusMaxPlaybackRateOnTwoStreams) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
// Default bandwidth is 24000.
EXPECT_EQ(cricket::kOpusBandwidthFb,
voe_.GetMaxEncodingBandwidth(channel_num));
parameters.codecs[0].SetParam(cricket::kCodecParamMaxPlaybackRate, 8000);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(cricket::kOpusBandwidthNb,
voe_.GetMaxEncodingBandwidth(channel_num));
channel_->AddSendStream(cricket::StreamParams::CreateLegacy(kSsrc2));
channel_num = voe_.GetLastChannel();
EXPECT_EQ(cricket::kOpusBandwidthNb,
voe_.GetMaxEncodingBandwidth(channel_num));
}
// Test that with usedtx=0, Opus DTX is off.
TEST_F(WebRtcVoiceEngineTestFake, DisableOpusDtxOnOpus) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].params["usedtx"] = "0";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_FALSE(voe_.GetOpusDtx(channel_num));
}
// Test that with usedtx=1, Opus DTX is on.
TEST_F(WebRtcVoiceEngineTestFake, EnableOpusDtxOnOpus) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].params["usedtx"] = "1";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_TRUE(voe_.GetOpusDtx(channel_num));
EXPECT_FALSE(voe_.GetVAD(channel_num)); // Opus DTX should not affect VAD.
}
// Test that usedtx=1 works with stereo Opus.
TEST_F(WebRtcVoiceEngineTestFake, EnableOpusDtxOnOpusStereo) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].params["usedtx"] = "1";
parameters.codecs[0].params["stereo"] = "1";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_TRUE(voe_.GetOpusDtx(channel_num));
EXPECT_FALSE(voe_.GetVAD(channel_num)); // Opus DTX should not affect VAD.
}
// Test that usedtx=1 does not work with non Opus.
TEST_F(WebRtcVoiceEngineTestFake, CannotEnableOpusDtxOnNonOpus) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs[0].params["usedtx"] = "1";
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_FALSE(voe_.GetOpusDtx(channel_num));
}
// Test that we can switch back and forth between Opus and ISAC with CN.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsIsacOpusSwitching) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters opus_parameters;
opus_parameters.codecs.push_back(kOpusCodec);
EXPECT_TRUE(channel_->SetSendParameters(opus_parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(111, gcodec.pltype);
EXPECT_STREQ("opus", gcodec.plname);
cricket::AudioSendParameters isac_parameters;
isac_parameters.codecs.push_back(kIsacCodec);
isac_parameters.codecs.push_back(kCn16000Codec);
isac_parameters.codecs.push_back(kOpusCodec);
EXPECT_TRUE(channel_->SetSendParameters(isac_parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(103, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_TRUE(channel_->SetSendParameters(opus_parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(111, gcodec.pltype);
EXPECT_STREQ("opus", gcodec.plname);
}
// Test that we handle various ways of specifying bitrate.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsBitrate) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kIsacCodec); // bitrate == 32000
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(103, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_EQ(32000, gcodec.rate);
parameters.codecs[0].bitrate = 0; // bitrate == default
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(103, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_EQ(-1, gcodec.rate);
parameters.codecs[0].bitrate = 28000; // bitrate == 28000
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(103, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_EQ(28000, gcodec.rate);
parameters.codecs[0] = kPcmuCodec; // bitrate == 64000
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(0, gcodec.pltype);
EXPECT_STREQ("PCMU", gcodec.plname);
EXPECT_EQ(64000, gcodec.rate);
parameters.codecs[0].bitrate = 0; // bitrate == default
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(0, gcodec.pltype);
EXPECT_STREQ("PCMU", gcodec.plname);
EXPECT_EQ(64000, gcodec.rate);
parameters.codecs[0] = kOpusCodec;
parameters.codecs[0].bitrate = 0; // bitrate == default
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(111, gcodec.pltype);
EXPECT_STREQ("opus", gcodec.plname);
EXPECT_EQ(32000, gcodec.rate);
}
// Test that we could set packet size specified in kCodecParamPTime.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsPTimeAsPacketSize) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kOpusCodec);
parameters.codecs[0].SetParam(cricket::kCodecParamPTime, 40); // Within range.
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(1920, gcodec.pacsize); // Opus gets 40ms.
parameters.codecs[0].SetParam(cricket::kCodecParamPTime, 5); // Below range.
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(480, gcodec.pacsize); // Opus gets 10ms.
parameters.codecs[0].SetParam(cricket::kCodecParamPTime, 80); // Beyond range.
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(2880, gcodec.pacsize); // Opus gets 60ms.
parameters.codecs[0] = kIsacCodec; // Also try Isac, with unsupported size.
parameters.codecs[0].SetParam(cricket::kCodecParamPTime, 40); // Within range.
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(480, gcodec.pacsize); // Isac gets 30ms as the next smallest value.
parameters.codecs[0] = kG722CodecSdp; // Try G722 @8kHz as negotiated in SDP.
parameters.codecs[0].SetParam(cricket::kCodecParamPTime, 40);
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(640, gcodec.pacsize); // G722 gets 40ms @16kHz as defined in VoE.
}
// Test that we fail if no codecs are specified.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsNoCodecs) {
EXPECT_TRUE(SetupEngine());
cricket::AudioSendParameters parameters;
EXPECT_FALSE(channel_->SetSendParameters(parameters));
}
// Test that we can set send codecs even with telephone-event codec as the first
// one on the list.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsDTMFOnTop) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kTelephoneEventCodec);
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs[0].id = 98; // DTMF
parameters.codecs[1].id = 96;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(96, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_EQ(98, voe_.GetSendTelephoneEventPayloadType(channel_num));
}
// Test that we can set send codecs even with CN codec as the first
// one on the list.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsCNOnTop) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kCn16000Codec);
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs[0].id = 98; // wideband CN
parameters.codecs[1].id = 96;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(96, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_EQ(98, voe_.GetSendCNPayloadType(channel_num, true));
}
// Test that we set VAD and DTMF types correctly as caller.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsCNandDTMFAsCaller) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
// TODO(juberti): cn 32000
parameters.codecs.push_back(kCn16000Codec);
parameters.codecs.push_back(kCn8000Codec);
parameters.codecs.push_back(kTelephoneEventCodec);
parameters.codecs.push_back(kRedCodec);
parameters.codecs[0].id = 96;
parameters.codecs[2].id = 97; // wideband CN
parameters.codecs[4].id = 98; // DTMF
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(96, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_TRUE(voe_.GetVAD(channel_num));
EXPECT_FALSE(voe_.GetRED(channel_num));
EXPECT_EQ(13, voe_.GetSendCNPayloadType(channel_num, false));
EXPECT_EQ(97, voe_.GetSendCNPayloadType(channel_num, true));
EXPECT_EQ(98, voe_.GetSendTelephoneEventPayloadType(channel_num));
}
// Test that we set VAD and DTMF types correctly as callee.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsCNandDTMFAsCallee) {
EXPECT_TRUE(engine_.Init(rtc::Thread::Current()));
channel_ = engine_.CreateChannel(&call_, cricket::AudioOptions());
EXPECT_TRUE(channel_ != nullptr);
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
// TODO(juberti): cn 32000
parameters.codecs.push_back(kCn16000Codec);
parameters.codecs.push_back(kCn8000Codec);
parameters.codecs.push_back(kTelephoneEventCodec);
parameters.codecs.push_back(kRedCodec);
parameters.codecs[0].id = 96;
parameters.codecs[2].id = 97; // wideband CN
parameters.codecs[4].id = 98; // DTMF
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(kSsrc1)));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(96, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_TRUE(voe_.GetVAD(channel_num));
EXPECT_FALSE(voe_.GetRED(channel_num));
EXPECT_EQ(13, voe_.GetSendCNPayloadType(channel_num, false));
EXPECT_EQ(97, voe_.GetSendCNPayloadType(channel_num, true));
EXPECT_EQ(98, voe_.GetSendTelephoneEventPayloadType(channel_num));
}
// Test that we only apply VAD if we have a CN codec that matches the
// send codec clockrate.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsCNNoMatch) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
// Set ISAC(16K) and CN(16K). VAD should be activated.
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kCn16000Codec);
parameters.codecs[1].id = 97;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_TRUE(voe_.GetVAD(channel_num));
EXPECT_EQ(97, voe_.GetSendCNPayloadType(channel_num, true));
// Set PCMU(8K) and CN(16K). VAD should not be activated.
parameters.codecs[0] = kPcmuCodec;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("PCMU", gcodec.plname);
EXPECT_FALSE(voe_.GetVAD(channel_num));
// Set PCMU(8K) and CN(8K). VAD should be activated.
parameters.codecs[1] = kCn8000Codec;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("PCMU", gcodec.plname);
EXPECT_TRUE(voe_.GetVAD(channel_num));
EXPECT_EQ(13, voe_.GetSendCNPayloadType(channel_num, false));
// Set ISAC(16K) and CN(8K). VAD should not be activated.
parameters.codecs[0] = kIsacCodec;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_FALSE(voe_.GetVAD(channel_num));
}
// Test that we perform case-insensitive matching of codec names.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsCaseInsensitive) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs.push_back(kCn16000Codec);
parameters.codecs.push_back(kCn8000Codec);
parameters.codecs.push_back(kTelephoneEventCodec);
parameters.codecs.push_back(kRedCodec);
parameters.codecs[0].name = "iSaC";
parameters.codecs[0].id = 96;
parameters.codecs[2].id = 97; // wideband CN
parameters.codecs[4].id = 98; // DTMF
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(96, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_TRUE(voe_.GetVAD(channel_num));
EXPECT_FALSE(voe_.GetRED(channel_num));
EXPECT_EQ(13, voe_.GetSendCNPayloadType(channel_num, false));
EXPECT_EQ(97, voe_.GetSendCNPayloadType(channel_num, true));
EXPECT_EQ(98, voe_.GetSendTelephoneEventPayloadType(channel_num));
}
// Test that we set up RED correctly as caller.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsREDAsCaller) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kRedCodec);
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs[0].id = 127;
parameters.codecs[0].params[""] = "96/96";
parameters.codecs[1].id = 96;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(96, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_TRUE(voe_.GetRED(channel_num));
EXPECT_EQ(127, voe_.GetSendREDPayloadType(channel_num));
}
// Test that we set up RED correctly as callee.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsREDAsCallee) {
EXPECT_TRUE(engine_.Init(rtc::Thread::Current()));
channel_ = engine_.CreateChannel(&call_, cricket::AudioOptions());
EXPECT_TRUE(channel_ != nullptr);
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kRedCodec);
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs[0].id = 127;
parameters.codecs[0].params[""] = "96/96";
parameters.codecs[1].id = 96;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(kSsrc1)));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(96, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_TRUE(voe_.GetRED(channel_num));
EXPECT_EQ(127, voe_.GetSendREDPayloadType(channel_num));
}
// Test that we set up RED correctly if params are omitted.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsREDNoParams) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kRedCodec);
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs[0].id = 127;
parameters.codecs[1].id = 96;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(96, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_TRUE(voe_.GetRED(channel_num));
EXPECT_EQ(127, voe_.GetSendREDPayloadType(channel_num));
}
// Test that we ignore RED if the parameters aren't named the way we expect.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsBadRED1) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kRedCodec);
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs[0].id = 127;
parameters.codecs[0].params["ABC"] = "96/96";
parameters.codecs[1].id = 96;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(96, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_FALSE(voe_.GetRED(channel_num));
}
// Test that we ignore RED if it uses different primary/secondary encoding.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsBadRED2) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kRedCodec);
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs[0].id = 127;
parameters.codecs[0].params[""] = "96/0";
parameters.codecs[1].id = 96;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(96, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_FALSE(voe_.GetRED(channel_num));
}
// Test that we ignore RED if it uses more than 2 encodings.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsBadRED3) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kRedCodec);
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs[0].id = 127;
parameters.codecs[0].params[""] = "96/96/96";
parameters.codecs[1].id = 96;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(96, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_FALSE(voe_.GetRED(channel_num));
}
// Test that we ignore RED if it has bogus codec ids.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsBadRED4) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kRedCodec);
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs[0].id = 127;
parameters.codecs[0].params[""] = "ABC/ABC";
parameters.codecs[1].id = 96;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(96, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_FALSE(voe_.GetRED(channel_num));
}
// Test that we ignore RED if it refers to a codec that is not present.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsBadRED5) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
cricket::AudioSendParameters parameters;
parameters.codecs.push_back(kRedCodec);
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
parameters.codecs[0].id = 127;
parameters.codecs[0].params[""] = "97/97";
parameters.codecs[1].id = 96;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
webrtc::CodecInst gcodec;
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_EQ(96, gcodec.pltype);
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_FALSE(voe_.GetRED(channel_num));
}
// Test support for audio level header extension.
TEST_F(WebRtcVoiceEngineTestFake, SendAudioLevelHeaderExtensions) {
TestSetSendRtpHeaderExtensions(kRtpAudioLevelHeaderExtension);
}
TEST_F(WebRtcVoiceEngineTestFake, RecvAudioLevelHeaderExtensions) {
TestSetRecvRtpHeaderExtensions(kRtpAudioLevelHeaderExtension);
}
// Test support for absolute send time header extension.
TEST_F(WebRtcVoiceEngineTestFake, SendAbsoluteSendTimeHeaderExtensions) {
TestSetSendRtpHeaderExtensions(kRtpAbsoluteSenderTimeHeaderExtension);
}
TEST_F(WebRtcVoiceEngineTestFake, RecvAbsoluteSendTimeHeaderExtensions) {
TestSetRecvRtpHeaderExtensions(kRtpAbsoluteSenderTimeHeaderExtension);
}
// Test that we can create a channel and start sending/playing out on it.
TEST_F(WebRtcVoiceEngineTestFake, SendAndPlayout) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_TRUE(channel_->SetSend(cricket::SEND_MICROPHONE));
EXPECT_TRUE(voe_.GetSend(channel_num));
EXPECT_TRUE(channel_->SetPlayout(true));
EXPECT_TRUE(voe_.GetPlayout(channel_num));
EXPECT_TRUE(channel_->SetSend(cricket::SEND_NOTHING));
EXPECT_FALSE(voe_.GetSend(channel_num));
EXPECT_TRUE(channel_->SetPlayout(false));
EXPECT_FALSE(voe_.GetPlayout(channel_num));
}
// Test that we can add and remove send streams.
TEST_F(WebRtcVoiceEngineTestFake, CreateAndDeleteMultipleSendStreams) {
SetupForMultiSendStream();
static const uint32_t kSsrcs4[] = {1, 2, 3, 4};
// Set the global state for sending.
EXPECT_TRUE(channel_->SetSend(cricket::SEND_MICROPHONE));
for (unsigned int i = 0; i < ARRAY_SIZE(kSsrcs4); ++i) {
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(kSsrcs4[i])));
// Verify that we are in a sending state for all the created streams.
int channel_num = voe_.GetChannelFromLocalSsrc(kSsrcs4[i]);
EXPECT_TRUE(voe_.GetSend(channel_num));
}
// Remove the first send channel, which is the default channel. It will only
// recycle the default channel but not delete it.
EXPECT_TRUE(channel_->RemoveSendStream(kSsrcs4[0]));
// Stream should already be Removed from the send stream list.
EXPECT_FALSE(channel_->RemoveSendStream(kSsrcs4[0]));
// But the default still exists.
EXPECT_EQ(0, voe_.GetChannelFromLocalSsrc(kSsrcs4[0]));
// Delete the rest of send channel streams.
for (unsigned int i = 1; i < ARRAY_SIZE(kSsrcs4); ++i) {
EXPECT_TRUE(channel_->RemoveSendStream(kSsrcs4[i]));
// Stream should already be deleted.
EXPECT_FALSE(channel_->RemoveSendStream(kSsrcs4[i]));
EXPECT_EQ(-1, voe_.GetChannelFromLocalSsrc(kSsrcs4[i]));
}
}
// Test SetSendCodecs correctly configure the codecs in all send streams.
TEST_F(WebRtcVoiceEngineTestFake, SetSendCodecsWithMultipleSendStreams) {
SetupForMultiSendStream();
static const uint32_t kSsrcs4[] = {1, 2, 3, 4};
// Create send streams.
for (unsigned int i = 0; i < ARRAY_SIZE(kSsrcs4); ++i) {
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(kSsrcs4[i])));
}
cricket::AudioSendParameters parameters;
// Set ISAC(16K) and CN(16K). VAD should be activated.
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kCn16000Codec);
parameters.codecs[1].id = 97;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
// Verify ISAC and VAD are corrected configured on all send channels.
webrtc::CodecInst gcodec;
for (unsigned int i = 0; i < ARRAY_SIZE(kSsrcs4); ++i) {
int channel_num = voe_.GetChannelFromLocalSsrc(kSsrcs4[i]);
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("ISAC", gcodec.plname);
EXPECT_TRUE(voe_.GetVAD(channel_num));
EXPECT_EQ(97, voe_.GetSendCNPayloadType(channel_num, true));
}
// Change to PCMU(8K) and CN(16K). VAD should not be activated.
parameters.codecs[0] = kPcmuCodec;
EXPECT_TRUE(channel_->SetSendParameters(parameters));
for (unsigned int i = 0; i < ARRAY_SIZE(kSsrcs4); ++i) {
int channel_num = voe_.GetChannelFromLocalSsrc(kSsrcs4[i]);
EXPECT_EQ(0, voe_.GetSendCodec(channel_num, gcodec));
EXPECT_STREQ("PCMU", gcodec.plname);
EXPECT_FALSE(voe_.GetVAD(channel_num));
}
}
// Test we can SetSend on all send streams correctly.
TEST_F(WebRtcVoiceEngineTestFake, SetSendWithMultipleSendStreams) {
SetupForMultiSendStream();
static const uint32_t kSsrcs4[] = {1, 2, 3, 4};
// Create the send channels and they should be a SEND_NOTHING date.
for (unsigned int i = 0; i < ARRAY_SIZE(kSsrcs4); ++i) {
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(kSsrcs4[i])));
int channel_num = voe_.GetLastChannel();
EXPECT_FALSE(voe_.GetSend(channel_num));
}
// Set the global state for starting sending.
EXPECT_TRUE(channel_->SetSend(cricket::SEND_MICROPHONE));
for (unsigned int i = 0; i < ARRAY_SIZE(kSsrcs4); ++i) {
// Verify that we are in a sending state for all the send streams.
int channel_num = voe_.GetChannelFromLocalSsrc(kSsrcs4[i]);
EXPECT_TRUE(voe_.GetSend(channel_num));
}
// Set the global state for stopping sending.
EXPECT_TRUE(channel_->SetSend(cricket::SEND_NOTHING));
for (unsigned int i = 1; i < ARRAY_SIZE(kSsrcs4); ++i) {
// Verify that we are in a stop state for all the send streams.
int channel_num = voe_.GetChannelFromLocalSsrc(kSsrcs4[i]);
EXPECT_FALSE(voe_.GetSend(channel_num));
}
}
// Test we can set the correct statistics on all send streams.
TEST_F(WebRtcVoiceEngineTestFake, GetStatsWithMultipleSendStreams) {
SetupForMultiSendStream();
static const uint32_t kSsrcs4[] = {1, 2, 3, 4};
// Create send streams.
for (unsigned int i = 0; i < ARRAY_SIZE(kSsrcs4); ++i) {
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(kSsrcs4[i])));
}
// Create a receive stream to check that none of the send streams end up in
// the receive stream stats.
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc2)));
// We need send codec to be set to get all stats.
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_TRUE(channel_->SetRecvParameters(recv_parameters_));
cricket::VoiceMediaInfo info;
EXPECT_EQ(true, channel_->GetStats(&info));
EXPECT_EQ(static_cast<size_t>(ARRAY_SIZE(kSsrcs4)), info.senders.size());
// Verify the statistic information is correct.
for (unsigned int i = 0; i < ARRAY_SIZE(kSsrcs4); ++i) {
EXPECT_EQ(kSsrcs4[i], info.senders[i].ssrc());
EXPECT_EQ(kPcmuCodec.name, info.senders[i].codec_name);
EXPECT_EQ(cricket::kIntStatValue, info.senders[i].bytes_sent);
EXPECT_EQ(cricket::kIntStatValue, info.senders[i].packets_sent);
EXPECT_EQ(cricket::kIntStatValue, info.senders[i].packets_lost);
EXPECT_EQ(cricket::kFractionLostStatValue, info.senders[i].fraction_lost);
EXPECT_EQ(cricket::kIntStatValue, info.senders[i].ext_seqnum);
EXPECT_EQ(cricket::kIntStatValue, info.senders[i].rtt_ms);
EXPECT_EQ(cricket::kIntStatValue, info.senders[i].jitter_ms);
EXPECT_EQ(kPcmuCodec.name, info.senders[i].codec_name);
}
EXPECT_EQ(0u, info.receivers.size());
DeliverPacket(kPcmuFrame, sizeof(kPcmuFrame));
EXPECT_EQ(true, channel_->GetStats(&info));
EXPECT_EQ(1u, info.receivers.size());
EXPECT_EQ(cricket::kIntStatValue, info.receivers[0].bytes_rcvd);
EXPECT_EQ(cricket::kIntStatValue, info.receivers[0].packets_rcvd);
EXPECT_EQ(cricket::kIntStatValue, info.receivers[0].packets_lost);
EXPECT_EQ(cricket::kIntStatValue, info.receivers[0].ext_seqnum);
EXPECT_EQ(kPcmuCodec.name, info.receivers[0].codec_name);
EXPECT_EQ(static_cast<float>(cricket::kNetStats.currentExpandRate) /
(1 << 14), info.receivers[0].expand_rate);
EXPECT_EQ(static_cast<float>(cricket::kNetStats.currentSpeechExpandRate) /
(1 << 14), info.receivers[0].speech_expand_rate);
EXPECT_EQ(static_cast<float>(cricket::kNetStats.currentSecondaryDecodedRate) /
(1 << 14), info.receivers[0].secondary_decoded_rate);
EXPECT_EQ(
static_cast<float>(cricket::kNetStats.currentAccelerateRate) / (1 << 14),
info.receivers[0].accelerate_rate);
EXPECT_EQ(
static_cast<float>(cricket::kNetStats.currentPreemptiveRate) / (1 << 14),
info.receivers[0].preemptive_expand_rate);
}
// Test that we can add and remove receive streams, and do proper send/playout.
// We can receive on multiple streams while sending one stream.
TEST_F(WebRtcVoiceEngineTestFake, PlayoutWithMultipleStreams) {
EXPECT_TRUE(SetupEngine());
int channel_num1 = voe_.GetLastChannel();
// Start playout on the default channel.
send_parameters_.options = options_conference_;
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_TRUE(channel_->SetPlayout(true));
EXPECT_TRUE(voe_.GetPlayout(channel_num1));
// Adding another stream should disable playout on the default channel.
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
int channel_num2 = voe_.GetLastChannel();
EXPECT_TRUE(channel_->SetSend(cricket::SEND_MICROPHONE));
EXPECT_TRUE(voe_.GetSend(channel_num1));
EXPECT_FALSE(voe_.GetSend(channel_num2));
// Make sure only the new channel is played out.
EXPECT_FALSE(voe_.GetPlayout(channel_num1));
EXPECT_TRUE(voe_.GetPlayout(channel_num2));
// Adding yet another stream should have stream 2 and 3 enabled for playout.
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(3)));
int channel_num3 = voe_.GetLastChannel();
EXPECT_FALSE(voe_.GetPlayout(channel_num1));
EXPECT_TRUE(voe_.GetPlayout(channel_num2));
EXPECT_TRUE(voe_.GetPlayout(channel_num3));
EXPECT_FALSE(voe_.GetSend(channel_num3));
// Stop sending.
EXPECT_TRUE(channel_->SetSend(cricket::SEND_NOTHING));
EXPECT_FALSE(voe_.GetSend(channel_num1));
EXPECT_FALSE(voe_.GetSend(channel_num2));
EXPECT_FALSE(voe_.GetSend(channel_num3));
// Stop playout.
EXPECT_TRUE(channel_->SetPlayout(false));
EXPECT_FALSE(voe_.GetPlayout(channel_num1));
EXPECT_FALSE(voe_.GetPlayout(channel_num2));
EXPECT_FALSE(voe_.GetPlayout(channel_num3));
// Restart playout and make sure the default channel still is not played out.
EXPECT_TRUE(channel_->SetPlayout(true));
EXPECT_FALSE(voe_.GetPlayout(channel_num1));
EXPECT_TRUE(voe_.GetPlayout(channel_num2));
EXPECT_TRUE(voe_.GetPlayout(channel_num3));
// Now remove the new streams and verify that the default channel is
// played out again.
EXPECT_TRUE(channel_->RemoveRecvStream(3));
EXPECT_TRUE(channel_->RemoveRecvStream(2));
EXPECT_TRUE(voe_.GetPlayout(channel_num1));
}
// Test that we can set the devices to use.
TEST_F(WebRtcVoiceEngineTestFake, SetDevices) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
cricket::Device default_dev(cricket::kFakeDefaultDeviceName,
cricket::kFakeDefaultDeviceId);
cricket::Device dev(cricket::kFakeDeviceName,
cricket::kFakeDeviceId);
// Test SetDevices() while not sending or playing.
EXPECT_TRUE(engine_.SetDevices(&default_dev, &default_dev));
// Test SetDevices() while sending and playing.
EXPECT_TRUE(channel_->SetSend(cricket::SEND_MICROPHONE));
EXPECT_TRUE(channel_->SetPlayout(true));
EXPECT_TRUE(voe_.GetSend(channel_num));
EXPECT_TRUE(voe_.GetPlayout(channel_num));
EXPECT_TRUE(engine_.SetDevices(&dev, &dev));
EXPECT_TRUE(voe_.GetSend(channel_num));
EXPECT_TRUE(voe_.GetPlayout(channel_num));
// Test that failure to open newly selected devices does not prevent opening
// ones after that.
voe_.set_playout_fail_channel(channel_num);
voe_.set_send_fail_channel(channel_num);
EXPECT_FALSE(engine_.SetDevices(&default_dev, &default_dev));
EXPECT_FALSE(voe_.GetSend(channel_num));
EXPECT_FALSE(voe_.GetPlayout(channel_num));
voe_.set_playout_fail_channel(-1);
voe_.set_send_fail_channel(-1);
EXPECT_TRUE(engine_.SetDevices(&dev, &dev));
EXPECT_TRUE(voe_.GetSend(channel_num));
EXPECT_TRUE(voe_.GetPlayout(channel_num));
}
// Test that we can set the devices to use even if we failed to
// open the initial ones.
TEST_F(WebRtcVoiceEngineTestFake, SetDevicesWithInitiallyBadDevices) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
cricket::Device default_dev(cricket::kFakeDefaultDeviceName,
cricket::kFakeDefaultDeviceId);
cricket::Device dev(cricket::kFakeDeviceName,
cricket::kFakeDeviceId);
// Test that failure to open devices selected before starting
// send/play does not prevent opening newly selected ones after that.
voe_.set_playout_fail_channel(channel_num);
voe_.set_send_fail_channel(channel_num);
EXPECT_TRUE(engine_.SetDevices(&default_dev, &default_dev));
EXPECT_FALSE(channel_->SetSend(cricket::SEND_MICROPHONE));
EXPECT_FALSE(channel_->SetPlayout(true));
EXPECT_FALSE(voe_.GetSend(channel_num));
EXPECT_FALSE(voe_.GetPlayout(channel_num));
voe_.set_playout_fail_channel(-1);
voe_.set_send_fail_channel(-1);
EXPECT_TRUE(engine_.SetDevices(&dev, &dev));
EXPECT_TRUE(voe_.GetSend(channel_num));
EXPECT_TRUE(voe_.GetPlayout(channel_num));
}
// Test that we can create a channel configured for multi-point conferences,
// and start sending/playing out on it.
TEST_F(WebRtcVoiceEngineTestFake, ConferenceSendAndPlayout) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
send_parameters_.options = options_conference_;
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_TRUE(channel_->SetSend(cricket::SEND_MICROPHONE));
EXPECT_TRUE(voe_.GetSend(channel_num));
}
// Test that we can create a channel configured for Codian bridges,
// and start sending/playing out on it.
TEST_F(WebRtcVoiceEngineTestFake, CodianSendAndPlayout) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
webrtc::AgcConfig agc_config;
EXPECT_EQ(0, voe_.GetAgcConfig(agc_config));
EXPECT_EQ(0, agc_config.targetLeveldBOv);
send_parameters_.options = options_adjust_agc_;
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_TRUE(channel_->SetSend(cricket::SEND_MICROPHONE));
EXPECT_TRUE(voe_.GetSend(channel_num));
EXPECT_EQ(0, voe_.GetAgcConfig(agc_config));
EXPECT_EQ(agc_config.targetLeveldBOv, 10); // level was attenuated
EXPECT_TRUE(channel_->SetPlayout(true));
EXPECT_TRUE(voe_.GetPlayout(channel_num));
EXPECT_TRUE(channel_->SetSend(cricket::SEND_NOTHING));
EXPECT_FALSE(voe_.GetSend(channel_num));
EXPECT_EQ(0, voe_.GetAgcConfig(agc_config));
EXPECT_EQ(0, agc_config.targetLeveldBOv); // level was restored
EXPECT_TRUE(channel_->SetPlayout(false));
EXPECT_FALSE(voe_.GetPlayout(channel_num));
}
TEST_F(WebRtcVoiceEngineTestFake, TxAgcConfigViaOptions) {
EXPECT_TRUE(SetupEngine());
webrtc::AgcConfig agc_config;
EXPECT_EQ(0, voe_.GetAgcConfig(agc_config));
EXPECT_EQ(0, agc_config.targetLeveldBOv);
cricket::AudioOptions options;
options.tx_agc_target_dbov.Set(3);
options.tx_agc_digital_compression_gain.Set(9);
options.tx_agc_limiter.Set(true);
options.auto_gain_control.Set(true);
EXPECT_TRUE(engine_.SetOptions(options));
EXPECT_EQ(0, voe_.GetAgcConfig(agc_config));
EXPECT_EQ(3, agc_config.targetLeveldBOv);
EXPECT_EQ(9, agc_config.digitalCompressionGaindB);
EXPECT_TRUE(agc_config.limiterEnable);
// Check interaction with adjust_agc_delta. Both should be respected, for
// backwards compatibility.
options.adjust_agc_delta.Set(-10);
EXPECT_TRUE(engine_.SetOptions(options));
EXPECT_EQ(0, voe_.GetAgcConfig(agc_config));
EXPECT_EQ(13, agc_config.targetLeveldBOv);
}
TEST_F(WebRtcVoiceEngineTestFake, SampleRatesViaOptions) {
EXPECT_TRUE(SetupEngine());
cricket::AudioOptions options;
options.recording_sample_rate.Set(48000u);
options.playout_sample_rate.Set(44100u);
EXPECT_TRUE(engine_.SetOptions(options));
unsigned int recording_sample_rate, playout_sample_rate;
EXPECT_EQ(0, voe_.RecordingSampleRate(&recording_sample_rate));
EXPECT_EQ(0, voe_.PlayoutSampleRate(&playout_sample_rate));
EXPECT_EQ(48000u, recording_sample_rate);
EXPECT_EQ(44100u, playout_sample_rate);
}
TEST_F(WebRtcVoiceEngineTestFake, TraceFilterViaTraceOptions) {
EXPECT_TRUE(SetupEngine());
engine_.SetLogging(rtc::LS_INFO, "");
EXPECT_EQ(
// Info:
webrtc::kTraceStateInfo | webrtc::kTraceInfo |
// Warning:
webrtc::kTraceTerseInfo | webrtc::kTraceWarning |
// Error:
webrtc::kTraceError | webrtc::kTraceCritical,
static_cast<int>(trace_wrapper_->filter_));
// Now set it explicitly
std::string filter =
"tracefilter " + rtc::ToString(webrtc::kTraceDefault);
engine_.SetLogging(rtc::LS_VERBOSE, filter.c_str());
EXPECT_EQ(static_cast<unsigned int>(webrtc::kTraceDefault),
trace_wrapper_->filter_);
}
// Test that we can set the outgoing SSRC properly.
// SSRC is set in SetupEngine by calling AddSendStream.
TEST_F(WebRtcVoiceEngineTestFake, SetSendSsrc) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
unsigned int send_ssrc;
EXPECT_EQ(0, voe_.GetLocalSSRC(channel_num, send_ssrc));
EXPECT_NE(0U, send_ssrc);
EXPECT_EQ(0, voe_.GetLocalSSRC(channel_num, send_ssrc));
EXPECT_EQ(kSsrc1, send_ssrc);
}
TEST_F(WebRtcVoiceEngineTestFake, GetStats) {
// Setup. We need send codec to be set to get all stats.
EXPECT_TRUE(SetupEngine());
// SetupEngine adds a send stream with kSsrc1, so the receive stream has to
// use a different SSRC.
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc2)));
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_TRUE(channel_->SetRecvParameters(recv_parameters_));
cricket::VoiceMediaInfo info;
EXPECT_EQ(true, channel_->GetStats(&info));
EXPECT_EQ(1u, info.senders.size());
EXPECT_EQ(kSsrc1, info.senders[0].ssrc());
EXPECT_EQ(kPcmuCodec.name, info.senders[0].codec_name);
EXPECT_EQ(cricket::kIntStatValue, info.senders[0].bytes_sent);
EXPECT_EQ(cricket::kIntStatValue, info.senders[0].packets_sent);
EXPECT_EQ(cricket::kIntStatValue, info.senders[0].packets_lost);
EXPECT_EQ(cricket::kFractionLostStatValue, info.senders[0].fraction_lost);
EXPECT_EQ(cricket::kIntStatValue, info.senders[0].ext_seqnum);
EXPECT_EQ(cricket::kIntStatValue, info.senders[0].rtt_ms);
EXPECT_EQ(cricket::kIntStatValue, info.senders[0].jitter_ms);
EXPECT_EQ(kPcmuCodec.name, info.senders[0].codec_name);
// TODO(sriniv): Add testing for more fields. These are not populated
// in FakeWebrtcVoiceEngine yet.
// EXPECT_EQ(cricket::kIntStatValue, info.senders[0].audio_level);
// EXPECT_EQ(cricket::kIntStatValue, info.senders[0].echo_delay_median_ms);
// EXPECT_EQ(cricket::kIntStatValue, info.senders[0].echo_delay_std_ms);
// EXPECT_EQ(cricket::kIntStatValue, info.senders[0].echo_return_loss);
// EXPECT_EQ(cricket::kIntStatValue,
// info.senders[0].echo_return_loss_enhancement);
EXPECT_EQ(0u, info.receivers.size());
DeliverPacket(kPcmuFrame, sizeof(kPcmuFrame));
EXPECT_EQ(true, channel_->GetStats(&info));
EXPECT_EQ(1u, info.receivers.size());
EXPECT_EQ(cricket::kIntStatValue, info.receivers[0].bytes_rcvd);
EXPECT_EQ(cricket::kIntStatValue, info.receivers[0].packets_rcvd);
EXPECT_EQ(cricket::kIntStatValue, info.receivers[0].packets_lost);
EXPECT_EQ(cricket::kIntStatValue, info.receivers[0].ext_seqnum);
EXPECT_EQ(kPcmuCodec.name, info.receivers[0].codec_name);
EXPECT_EQ(static_cast<float>(cricket::kNetStats.currentExpandRate) /
(1 << 14), info.receivers[0].expand_rate);
EXPECT_EQ(static_cast<float>(cricket::kNetStats.currentSpeechExpandRate) /
(1 << 14), info.receivers[0].speech_expand_rate);
EXPECT_EQ(static_cast<float>(cricket::kNetStats.currentSecondaryDecodedRate) /
(1 << 14), info.receivers[0].secondary_decoded_rate);
// TODO(sriniv): Add testing for more receiver fields.
}
// Test that we can set the outgoing SSRC properly with multiple streams.
// SSRC is set in SetupEngine by calling AddSendStream.
TEST_F(WebRtcVoiceEngineTestFake, SetSendSsrcWithMultipleStreams) {
EXPECT_TRUE(SetupEngine());
int channel_num1 = voe_.GetLastChannel();
unsigned int send_ssrc;
EXPECT_EQ(0, voe_.GetLocalSSRC(channel_num1, send_ssrc));
EXPECT_EQ(kSsrc1, send_ssrc);
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
int channel_num2 = voe_.GetLastChannel();
EXPECT_EQ(0, voe_.GetLocalSSRC(channel_num2, send_ssrc));
EXPECT_EQ(kSsrc1, send_ssrc);
}
// Test that the local SSRC is the same on sending and receiving channels if the
// receive channel is created before the send channel.
TEST_F(WebRtcVoiceEngineTestFake, SetSendSsrcAfterCreatingReceiveChannel) {
EXPECT_TRUE(engine_.Init(rtc::Thread::Current()));
channel_ = engine_.CreateChannel(&call_, cricket::AudioOptions());
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
int receive_channel_num = voe_.GetLastChannel();
EXPECT_TRUE(channel_->AddSendStream(
cricket::StreamParams::CreateLegacy(1234)));
int send_channel_num = voe_.GetLastChannel();
unsigned int ssrc = 0;
EXPECT_EQ(0, voe_.GetLocalSSRC(send_channel_num, ssrc));
EXPECT_EQ(1234U, ssrc);
ssrc = 0;
EXPECT_EQ(0, voe_.GetLocalSSRC(receive_channel_num, ssrc));
EXPECT_EQ(1234U, ssrc);
}
// Test that we can properly receive packets.
TEST_F(WebRtcVoiceEngineTestFake, Recv) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
DeliverPacket(kPcmuFrame, sizeof(kPcmuFrame));
EXPECT_TRUE(voe_.CheckPacket(channel_num, kPcmuFrame,
sizeof(kPcmuFrame)));
}
// Test that we can properly receive packets on multiple streams.
TEST_F(WebRtcVoiceEngineTestFake, RecvWithMultipleStreams) {
EXPECT_TRUE(SetupEngine());
send_parameters_.options = options_conference_;
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
int channel_num1 = voe_.GetLastChannel();
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
int channel_num2 = voe_.GetLastChannel();
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(3)));
int channel_num3 = voe_.GetLastChannel();
// Create packets with the right SSRCs.
char packets[4][sizeof(kPcmuFrame)];
for (size_t i = 0; i < ARRAY_SIZE(packets); ++i) {
memcpy(packets[i], kPcmuFrame, sizeof(kPcmuFrame));
rtc::SetBE32(packets[i] + 8, static_cast<uint32_t>(i));
}
EXPECT_TRUE(voe_.CheckNoPacket(channel_num1));
EXPECT_TRUE(voe_.CheckNoPacket(channel_num2));
EXPECT_TRUE(voe_.CheckNoPacket(channel_num3));
DeliverPacket(packets[0], sizeof(packets[0]));
EXPECT_TRUE(voe_.CheckNoPacket(channel_num1));
EXPECT_TRUE(voe_.CheckNoPacket(channel_num2));
EXPECT_TRUE(voe_.CheckNoPacket(channel_num3));
DeliverPacket(packets[1], sizeof(packets[1]));
EXPECT_TRUE(voe_.CheckPacket(channel_num1, packets[1],
sizeof(packets[1])));
EXPECT_TRUE(voe_.CheckNoPacket(channel_num2));
EXPECT_TRUE(voe_.CheckNoPacket(channel_num3));
DeliverPacket(packets[2], sizeof(packets[2]));
EXPECT_TRUE(voe_.CheckNoPacket(channel_num1));
EXPECT_TRUE(voe_.CheckPacket(channel_num2, packets[2],
sizeof(packets[2])));
EXPECT_TRUE(voe_.CheckNoPacket(channel_num3));
DeliverPacket(packets[3], sizeof(packets[3]));
EXPECT_TRUE(voe_.CheckNoPacket(channel_num1));
EXPECT_TRUE(voe_.CheckNoPacket(channel_num2));
EXPECT_TRUE(voe_.CheckPacket(channel_num3, packets[3],
sizeof(packets[3])));
EXPECT_TRUE(channel_->RemoveRecvStream(3));
EXPECT_TRUE(channel_->RemoveRecvStream(2));
EXPECT_TRUE(channel_->RemoveRecvStream(1));
}
// Test that we properly handle failures to add a stream.
TEST_F(WebRtcVoiceEngineTestFake, AddStreamFail) {
EXPECT_TRUE(SetupEngine());
voe_.set_fail_create_channel(true);
send_parameters_.options = options_conference_;
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_FALSE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
// In 1:1 call, we should not try to create a new channel.
send_parameters_.options.conference_mode.Set(false);
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
}
// Test that AddRecvStream doesn't create new channel for 1:1 call.
TEST_F(WebRtcVoiceEngineTestFake, AddRecvStream1On1) {
EXPECT_TRUE(SetupEngine());
int channel_num = voe_.GetLastChannel();
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
EXPECT_EQ(channel_num, voe_.GetLastChannel());
}
// Test that after adding a recv stream, we do not decode more codecs than
// those previously passed into SetRecvCodecs.
TEST_F(WebRtcVoiceEngineTestFake, AddRecvStreamUnsupportedCodec) {
EXPECT_TRUE(SetupEngine());
cricket::AudioRecvParameters parameters;
parameters.codecs.push_back(kIsacCodec);
parameters.codecs.push_back(kPcmuCodec);
EXPECT_TRUE(channel_->SetRecvParameters(parameters));
EXPECT_TRUE(channel_->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrc1)));
int channel_num2 = voe_.GetLastChannel();
webrtc::CodecInst gcodec;
rtc::strcpyn(gcodec.plname, ARRAY_SIZE(gcodec.plname), "opus");
gcodec.plfreq = 48000;
gcodec.channels = 2;
EXPECT_EQ(-1, voe_.GetRecPayloadType(channel_num2, gcodec));
}
// Test that we properly clean up any streams that were added, even if
// not explicitly removed.
TEST_F(WebRtcVoiceEngineTestFake, StreamCleanup) {
EXPECT_TRUE(SetupEngine());
send_parameters_.options = options_conference_;
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
EXPECT_EQ(3, voe_.GetNumChannels()); // default channel + 2 added
delete channel_;
channel_ = NULL;
EXPECT_EQ(0, voe_.GetNumChannels());
}
TEST_F(WebRtcVoiceEngineTestFake, TestAddRecvStreamFailWithZeroSsrc) {
EXPECT_TRUE(SetupEngine());
EXPECT_FALSE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(0)));
}
TEST_F(WebRtcVoiceEngineTestFake, TestNoLeakingWhenAddRecvStreamFail) {
EXPECT_TRUE(SetupEngine());
// Stream 1 reuses default channel.
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
// Manually delete default channel to simulate a failure.
int default_channel = voe_.GetLastChannel();
EXPECT_EQ(0, voe_.DeleteChannel(default_channel));
// Add recv stream 2 should fail because default channel is gone.
EXPECT_FALSE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
int new_channel = voe_.GetLastChannel();
EXPECT_NE(default_channel, new_channel);
// The last created channel should have already been deleted.
EXPECT_EQ(-1, voe_.DeleteChannel(new_channel));
}
// Test the InsertDtmf on default send stream as caller.
TEST_F(WebRtcVoiceEngineTestFake, InsertDtmfOnDefaultSendStreamAsCaller) {
TestInsertDtmf(0, true);
}
// Test the InsertDtmf on default send stream as callee
TEST_F(WebRtcVoiceEngineTestFake, InsertDtmfOnDefaultSendStreamAsCallee) {
TestInsertDtmf(0, false);
}
// Test the InsertDtmf on specified send stream as caller.
TEST_F(WebRtcVoiceEngineTestFake, InsertDtmfOnSendStreamAsCaller) {
TestInsertDtmf(kSsrc1, true);
}
// Test the InsertDtmf on specified send stream as callee.
TEST_F(WebRtcVoiceEngineTestFake, InsertDtmfOnSendStreamAsCallee) {
TestInsertDtmf(kSsrc1, false);
}
TEST_F(WebRtcVoiceEngineTestFake, TestSetPlayoutError) {
EXPECT_TRUE(SetupEngine());
send_parameters_.options = options_conference_;
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_TRUE(channel_->SetSend(cricket::SEND_MICROPHONE));
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(3)));
EXPECT_TRUE(channel_->SetPlayout(true));
voe_.set_playout_fail_channel(voe_.GetLastChannel() - 1);
EXPECT_TRUE(channel_->SetPlayout(false));
EXPECT_FALSE(channel_->SetPlayout(true));
}
TEST_F(WebRtcVoiceEngineTestFake, SetAudioOptions) {
EXPECT_TRUE(SetupEngine());
bool ec_enabled;
webrtc::EcModes ec_mode;
bool ec_metrics_enabled;
webrtc::AecmModes aecm_mode;
bool cng_enabled;
bool agc_enabled;
webrtc::AgcModes agc_mode;
webrtc::AgcConfig agc_config;
bool ns_enabled;
webrtc::NsModes ns_mode;
bool highpass_filter_enabled;
bool stereo_swapping_enabled;
bool typing_detection_enabled;
voe_.GetEcStatus(ec_enabled, ec_mode);
voe_.GetEcMetricsStatus(ec_metrics_enabled);
voe_.GetAecmMode(aecm_mode, cng_enabled);
voe_.GetAgcStatus(agc_enabled, agc_mode);
voe_.GetAgcConfig(agc_config);
voe_.GetNsStatus(ns_enabled, ns_mode);
highpass_filter_enabled = voe_.IsHighPassFilterEnabled();
stereo_swapping_enabled = voe_.IsStereoChannelSwappingEnabled();
voe_.GetTypingDetectionStatus(typing_detection_enabled);
EXPECT_TRUE(ec_enabled);
EXPECT_TRUE(ec_metrics_enabled);
EXPECT_FALSE(cng_enabled);
EXPECT_TRUE(agc_enabled);
EXPECT_EQ(0, agc_config.targetLeveldBOv);
EXPECT_TRUE(ns_enabled);
EXPECT_TRUE(highpass_filter_enabled);
EXPECT_FALSE(stereo_swapping_enabled);
EXPECT_TRUE(typing_detection_enabled);
EXPECT_EQ(ec_mode, webrtc::kEcConference);
EXPECT_EQ(ns_mode, webrtc::kNsHighSuppression);
// Nothing set, so all ignored.
cricket::AudioOptions options;
ASSERT_TRUE(engine_.SetOptions(options));
voe_.GetEcStatus(ec_enabled, ec_mode);
voe_.GetEcMetricsStatus(ec_metrics_enabled);
voe_.GetAecmMode(aecm_mode, cng_enabled);
voe_.GetAgcStatus(agc_enabled, agc_mode);
voe_.GetAgcConfig(agc_config);
voe_.GetNsStatus(ns_enabled, ns_mode);
highpass_filter_enabled = voe_.IsHighPassFilterEnabled();
stereo_swapping_enabled = voe_.IsStereoChannelSwappingEnabled();
voe_.GetTypingDetectionStatus(typing_detection_enabled);
EXPECT_TRUE(ec_enabled);
EXPECT_TRUE(ec_metrics_enabled);
EXPECT_FALSE(cng_enabled);
EXPECT_TRUE(agc_enabled);
EXPECT_EQ(0, agc_config.targetLeveldBOv);
EXPECT_TRUE(ns_enabled);
EXPECT_TRUE(highpass_filter_enabled);
EXPECT_FALSE(stereo_swapping_enabled);
EXPECT_TRUE(typing_detection_enabled);
EXPECT_EQ(ec_mode, webrtc::kEcConference);
EXPECT_EQ(ns_mode, webrtc::kNsHighSuppression);
EXPECT_EQ(50, voe_.GetNetEqCapacity()); // From GetDefaultEngineOptions().
EXPECT_FALSE(
voe_.GetNetEqFastAccelerate()); // From GetDefaultEngineOptions().
// Turn echo cancellation off
options.echo_cancellation.Set(false);
ASSERT_TRUE(engine_.SetOptions(options));
voe_.GetEcStatus(ec_enabled, ec_mode);
EXPECT_FALSE(ec_enabled);
// Turn echo cancellation back on, with settings, and make sure
// nothing else changed.
options.echo_cancellation.Set(true);
ASSERT_TRUE(engine_.SetOptions(options));
voe_.GetEcStatus(ec_enabled, ec_mode);
voe_.GetEcMetricsStatus(ec_metrics_enabled);
voe_.GetAecmMode(aecm_mode, cng_enabled);
voe_.GetAgcStatus(agc_enabled, agc_mode);
voe_.GetAgcConfig(agc_config);
voe_.GetNsStatus(ns_enabled, ns_mode);
highpass_filter_enabled = voe_.IsHighPassFilterEnabled();
stereo_swapping_enabled = voe_.IsStereoChannelSwappingEnabled();
voe_.GetTypingDetectionStatus(typing_detection_enabled);
EXPECT_TRUE(ec_enabled);
EXPECT_TRUE(ec_metrics_enabled);
EXPECT_TRUE(agc_enabled);
EXPECT_EQ(0, agc_config.targetLeveldBOv);
EXPECT_TRUE(ns_enabled);
EXPECT_TRUE(highpass_filter_enabled);
EXPECT_FALSE(stereo_swapping_enabled);
EXPECT_TRUE(typing_detection_enabled);
EXPECT_EQ(ec_mode, webrtc::kEcConference);
EXPECT_EQ(ns_mode, webrtc::kNsHighSuppression);
// Turn on delay agnostic aec and make sure nothing change w.r.t. echo
// control.
options.delay_agnostic_aec.Set(true);
ASSERT_TRUE(engine_.SetOptions(options));
voe_.GetEcStatus(ec_enabled, ec_mode);
voe_.GetEcMetricsStatus(ec_metrics_enabled);
voe_.GetAecmMode(aecm_mode, cng_enabled);
EXPECT_TRUE(ec_enabled);
EXPECT_TRUE(ec_metrics_enabled);
EXPECT_EQ(ec_mode, webrtc::kEcConference);
// Turn off echo cancellation and delay agnostic aec.
options.delay_agnostic_aec.Set(false);
options.extended_filter_aec.Set(false);
options.echo_cancellation.Set(false);
ASSERT_TRUE(engine_.SetOptions(options));
voe_.GetEcStatus(ec_enabled, ec_mode);
EXPECT_FALSE(ec_enabled);
// Turning delay agnostic aec back on should also turn on echo cancellation.
options.delay_agnostic_aec.Set(true);
ASSERT_TRUE(engine_.SetOptions(options));
voe_.GetEcStatus(ec_enabled, ec_mode);
voe_.GetEcMetricsStatus(ec_metrics_enabled);
EXPECT_TRUE(ec_enabled);
EXPECT_TRUE(ec_metrics_enabled);
EXPECT_EQ(ec_mode, webrtc::kEcConference);
// Turn off AGC
options.auto_gain_control.Set(false);
ASSERT_TRUE(engine_.SetOptions(options));
voe_.GetAgcStatus(agc_enabled, agc_mode);
EXPECT_FALSE(agc_enabled);
// Turn AGC back on
options.auto_gain_control.Set(true);
options.adjust_agc_delta.Clear();
ASSERT_TRUE(engine_.SetOptions(options));
voe_.GetAgcStatus(agc_enabled, agc_mode);
EXPECT_TRUE(agc_enabled);
voe_.GetAgcConfig(agc_config);
EXPECT_EQ(0, agc_config.targetLeveldBOv);
// Turn off other options (and stereo swapping on).
options.noise_suppression.Set(false);
options.highpass_filter.Set(false);
options.typing_detection.Set(false);
options.stereo_swapping.Set(true);
ASSERT_TRUE(engine_.SetOptions(options));
voe_.GetNsStatus(ns_enabled, ns_mode);
highpass_filter_enabled = voe_.IsHighPassFilterEnabled();
stereo_swapping_enabled = voe_.IsStereoChannelSwappingEnabled();
voe_.GetTypingDetectionStatus(typing_detection_enabled);
EXPECT_FALSE(ns_enabled);
EXPECT_FALSE(highpass_filter_enabled);
EXPECT_FALSE(typing_detection_enabled);
EXPECT_TRUE(stereo_swapping_enabled);
// Turn on "conference mode" to ensure it has no impact.
options.conference_mode.Set(true);
ASSERT_TRUE(engine_.SetOptions(options));
voe_.GetEcStatus(ec_enabled, ec_mode);
voe_.GetNsStatus(ns_enabled, ns_mode);
EXPECT_TRUE(ec_enabled);
EXPECT_EQ(webrtc::kEcConference, ec_mode);
EXPECT_FALSE(ns_enabled);
EXPECT_EQ(webrtc::kNsHighSuppression, ns_mode);
}
TEST_F(WebRtcVoiceEngineTestFake, DefaultOptions) {
EXPECT_TRUE(SetupEngine());
bool ec_enabled;
webrtc::EcModes ec_mode;
bool ec_metrics_enabled;
bool agc_enabled;
webrtc::AgcModes agc_mode;
bool ns_enabled;
webrtc::NsModes ns_mode;
bool highpass_filter_enabled;
bool stereo_swapping_enabled;
bool typing_detection_enabled;
voe_.GetEcStatus(ec_enabled, ec_mode);
voe_.GetEcMetricsStatus(ec_metrics_enabled);
voe_.GetAgcStatus(agc_enabled, agc_mode);
voe_.GetNsStatus(ns_enabled, ns_mode);
highpass_filter_enabled = voe_.IsHighPassFilterEnabled();
stereo_swapping_enabled = voe_.IsStereoChannelSwappingEnabled();
voe_.GetTypingDetectionStatus(typing_detection_enabled);
EXPECT_TRUE(ec_enabled);
EXPECT_TRUE(agc_enabled);
EXPECT_TRUE(ns_enabled);
EXPECT_TRUE(highpass_filter_enabled);
EXPECT_TRUE(typing_detection_enabled);
EXPECT_FALSE(stereo_swapping_enabled);
}
TEST_F(WebRtcVoiceEngineTestFake, InitDoesNotOverwriteDefaultAgcConfig) {
webrtc::AgcConfig set_config = {0};
set_config.targetLeveldBOv = 3;
set_config.digitalCompressionGaindB = 9;
set_config.limiterEnable = true;
EXPECT_EQ(0, voe_.SetAgcConfig(set_config));
EXPECT_TRUE(engine_.Init(rtc::Thread::Current()));
webrtc::AgcConfig config = {0};
EXPECT_EQ(0, voe_.GetAgcConfig(config));
EXPECT_EQ(set_config.targetLeveldBOv, config.targetLeveldBOv);
EXPECT_EQ(set_config.digitalCompressionGaindB,
config.digitalCompressionGaindB);
EXPECT_EQ(set_config.limiterEnable, config.limiterEnable);
}
TEST_F(WebRtcVoiceEngineTestFake, SetOptionOverridesViaChannels) {
EXPECT_TRUE(SetupEngine());
rtc::scoped_ptr<cricket::WebRtcVoiceMediaChannel> channel1(
static_cast<cricket::WebRtcVoiceMediaChannel*>(
engine_.CreateChannel(&call_, cricket::AudioOptions())));
rtc::scoped_ptr<cricket::WebRtcVoiceMediaChannel> channel2(
static_cast<cricket::WebRtcVoiceMediaChannel*>(
engine_.CreateChannel(&call_, cricket::AudioOptions())));
// Have to add a stream to make SetSend work.
cricket::StreamParams stream1;
stream1.ssrcs.push_back(1);
channel1->AddSendStream(stream1);
cricket::StreamParams stream2;
stream2.ssrcs.push_back(2);
channel2->AddSendStream(stream2);
// AEC and AGC and NS
cricket::AudioSendParameters parameters_options_all = send_parameters_;
parameters_options_all.options.echo_cancellation.Set(true);
parameters_options_all.options.auto_gain_control.Set(true);
parameters_options_all.options.noise_suppression.Set(true);
ASSERT_TRUE(channel1->SetSendParameters(parameters_options_all));
EXPECT_EQ(parameters_options_all.options, channel1->options());
ASSERT_TRUE(channel2->SetSendParameters(parameters_options_all));
EXPECT_EQ(parameters_options_all.options, channel2->options());
// unset NS
cricket::AudioSendParameters parameters_options_no_ns = send_parameters_;
parameters_options_no_ns.options.noise_suppression.Set(false);
ASSERT_TRUE(channel1->SetSendParameters(parameters_options_no_ns));
cricket::AudioOptions expected_options = parameters_options_all.options;
expected_options.echo_cancellation.Set(true);
expected_options.auto_gain_control.Set(true);
expected_options.noise_suppression.Set(false);
EXPECT_EQ(expected_options, channel1->options());
// unset AGC
cricket::AudioSendParameters parameters_options_no_agc = send_parameters_;
parameters_options_no_agc.options.auto_gain_control.Set(false);
ASSERT_TRUE(channel2->SetSendParameters(parameters_options_no_agc));
expected_options.echo_cancellation.Set(true);
expected_options.auto_gain_control.Set(false);
expected_options.noise_suppression.Set(true);
EXPECT_EQ(expected_options, channel2->options());
ASSERT_TRUE(engine_.SetOptions(parameters_options_all.options));
bool ec_enabled;
webrtc::EcModes ec_mode;
bool agc_enabled;
webrtc::AgcModes agc_mode;
bool ns_enabled;
webrtc::NsModes ns_mode;
voe_.GetEcStatus(ec_enabled, ec_mode);
voe_.GetAgcStatus(agc_enabled, agc_mode);
voe_.GetNsStatus(ns_enabled, ns_mode);
EXPECT_TRUE(ec_enabled);
EXPECT_TRUE(agc_enabled);
EXPECT_TRUE(ns_enabled);
channel1->SetSend(cricket::SEND_MICROPHONE);
voe_.GetEcStatus(ec_enabled, ec_mode);
voe_.GetAgcStatus(agc_enabled, agc_mode);
voe_.GetNsStatus(ns_enabled, ns_mode);
EXPECT_TRUE(ec_enabled);
EXPECT_TRUE(agc_enabled);
EXPECT_FALSE(ns_enabled);
channel1->SetSend(cricket::SEND_NOTHING);
voe_.GetEcStatus(ec_enabled, ec_mode);
voe_.GetAgcStatus(agc_enabled, agc_mode);
voe_.GetNsStatus(ns_enabled, ns_mode);
EXPECT_TRUE(ec_enabled);
EXPECT_TRUE(agc_enabled);
EXPECT_TRUE(ns_enabled);
channel2->SetSend(cricket::SEND_MICROPHONE);
voe_.GetEcStatus(ec_enabled, ec_mode);
voe_.GetAgcStatus(agc_enabled, agc_mode);
voe_.GetNsStatus(ns_enabled, ns_mode);
EXPECT_TRUE(ec_enabled);
EXPECT_FALSE(agc_enabled);
EXPECT_TRUE(ns_enabled);
channel2->SetSend(cricket::SEND_NOTHING);
voe_.GetEcStatus(ec_enabled, ec_mode);
voe_.GetAgcStatus(agc_enabled, agc_mode);
voe_.GetNsStatus(ns_enabled, ns_mode);
EXPECT_TRUE(ec_enabled);
EXPECT_TRUE(agc_enabled);
EXPECT_TRUE(ns_enabled);
// Make sure settings take effect while we are sending.
ASSERT_TRUE(engine_.SetOptions(parameters_options_all.options));
cricket::AudioSendParameters parameters_options_no_agc_nor_ns =
send_parameters_;
parameters_options_no_agc_nor_ns.options.auto_gain_control.Set(false);
parameters_options_no_agc_nor_ns.options.noise_suppression.Set(false);
channel2->SetSend(cricket::SEND_MICROPHONE);
channel2->SetSendParameters(parameters_options_no_agc_nor_ns);
expected_options.echo_cancellation.Set(true);
expected_options.auto_gain_control.Set(false);
expected_options.noise_suppression.Set(false);
EXPECT_EQ(expected_options, channel2->options());
voe_.GetEcStatus(ec_enabled, ec_mode);
voe_.GetAgcStatus(agc_enabled, agc_mode);
voe_.GetNsStatus(ns_enabled, ns_mode);
EXPECT_TRUE(ec_enabled);
EXPECT_FALSE(agc_enabled);
EXPECT_FALSE(ns_enabled);
}
// This test verifies DSCP settings are properly applied on voice media channel.
TEST_F(WebRtcVoiceEngineTestFake, TestSetDscpOptions) {
EXPECT_TRUE(SetupEngine());
rtc::scoped_ptr<cricket::VoiceMediaChannel> channel(
engine_.CreateChannel(&call_, cricket::AudioOptions()));
rtc::scoped_ptr<cricket::FakeNetworkInterface> network_interface(
new cricket::FakeNetworkInterface);
channel->SetInterface(network_interface.get());
cricket::AudioSendParameters parameters = send_parameters_;
parameters.options.dscp.Set(true);
EXPECT_TRUE(channel->SetSendParameters(parameters));
EXPECT_EQ(rtc::DSCP_EF, network_interface->dscp());
// Verify previous value is not modified if dscp option is not set.
EXPECT_TRUE(channel->SetSendParameters(send_parameters_));
EXPECT_EQ(rtc::DSCP_EF, network_interface->dscp());
parameters.options.dscp.Set(false);
EXPECT_TRUE(channel->SetSendParameters(parameters));
EXPECT_EQ(rtc::DSCP_DEFAULT, network_interface->dscp());
}
// Test that GetReceiveChannelId returns the default channel for the first
// recv stream in 1-1 calls.
TEST_F(WebRtcVoiceEngineTestFake, TestGetReceiveChannelIdIn1To1Calls) {
EXPECT_TRUE(SetupEngine());
cricket::WebRtcVoiceMediaChannel* media_channel =
static_cast<cricket::WebRtcVoiceMediaChannel*>(channel_);
// Test that GetChannelNum returns the default channel if the SSRC is unknown.
EXPECT_EQ(media_channel->default_send_channel_id(),
media_channel->GetReceiveChannelId(0));
cricket::StreamParams stream;
stream.ssrcs.push_back(kSsrc2);
EXPECT_TRUE(channel_->AddRecvStream(stream));
EXPECT_EQ(media_channel->default_send_channel_id(),
media_channel->GetReceiveChannelId(kSsrc2));
}
// Test that GetReceiveChannelId doesn't return the default channel for the
// first recv stream in conference calls.
TEST_F(WebRtcVoiceEngineTestFake, TestGetChannelNumInConferenceCalls) {
EXPECT_TRUE(SetupEngine());
send_parameters_.options = options_conference_;
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
cricket::StreamParams stream;
stream.ssrcs.push_back(kSsrc2);
EXPECT_TRUE(channel_->AddRecvStream(stream));
cricket::WebRtcVoiceMediaChannel* media_channel =
static_cast<cricket::WebRtcVoiceMediaChannel*>(channel_);
EXPECT_LT(media_channel->default_send_channel_id(),
media_channel->GetReceiveChannelId(kSsrc2));
}
TEST_F(WebRtcVoiceEngineTestFake, SetOutputVolume) {
EXPECT_TRUE(SetupEngine());
float scale;
EXPECT_TRUE(channel_->SetOutputVolume(0, 2));
int channel_id = voe_.GetLastChannel();
EXPECT_EQ(0, voe_.GetChannelOutputVolumeScaling(channel_id, scale));
EXPECT_DOUBLE_EQ(2, scale);
EXPECT_FALSE(channel_->SetOutputVolume(kSsrc2, 0.5));
cricket::StreamParams stream;
stream.ssrcs.push_back(kSsrc2);
EXPECT_TRUE(channel_->AddRecvStream(stream));
EXPECT_TRUE(channel_->SetOutputVolume(kSsrc2, 3));
channel_id = voe_.GetLastChannel();
EXPECT_EQ(0, voe_.GetChannelOutputVolumeScaling(channel_id, scale));
EXPECT_DOUBLE_EQ(3, scale);
}
TEST_F(WebRtcVoiceEngineTestFake, SetsSyncGroupFromSyncLabel) {
const uint32_t kAudioSsrc = 123;
const std::string kSyncLabel = "AvSyncLabel";
EXPECT_TRUE(SetupEngine());
cricket::StreamParams sp = cricket::StreamParams::CreateLegacy(kAudioSsrc);
sp.sync_label = kSyncLabel;
// Creating two channels to make sure that sync label is set properly for both
// the default voice channel and following ones.
EXPECT_TRUE(channel_->AddRecvStream(sp));
sp.ssrcs[0] += 1;
EXPECT_TRUE(channel_->AddRecvStream(sp));
ASSERT_EQ(2, call_.GetAudioReceiveStreams().size());
EXPECT_EQ(kSyncLabel,
call_.GetAudioReceiveStream(kAudioSsrc)->GetConfig().sync_group)
<< "SyncGroup should be set based on sync_label";
EXPECT_EQ(kSyncLabel,
call_.GetAudioReceiveStream(kAudioSsrc + 1)->GetConfig().sync_group)
<< "SyncGroup should be set based on sync_label";
}
TEST_F(WebRtcVoiceEngineTestFake, CanChangeCombinedBweOption) {
// Test that changing the combined_audio_video_bwe option results in the
// expected state changes on an associated Call.
std::vector<uint32_t> ssrcs;
ssrcs.push_back(223);
ssrcs.push_back(224);
EXPECT_TRUE(SetupEngine());
cricket::WebRtcVoiceMediaChannel* media_channel =
static_cast<cricket::WebRtcVoiceMediaChannel*>(channel_);
for (uint32_t ssrc : ssrcs) {
EXPECT_TRUE(media_channel->AddRecvStream(
cricket::StreamParams::CreateLegacy(ssrc)));
}
EXPECT_EQ(2, call_.GetAudioReceiveStreams().size());
// Combined BWE should be disabled.
for (uint32_t ssrc : ssrcs) {
const auto* s = call_.GetAudioReceiveStream(ssrc);
EXPECT_NE(nullptr, s);
EXPECT_EQ(false, s->GetConfig().combined_audio_video_bwe);
}
// Enable combined BWE option - now it should be set up.
send_parameters_.options.combined_audio_video_bwe.Set(true);
EXPECT_TRUE(media_channel->SetSendParameters(send_parameters_));
for (uint32_t ssrc : ssrcs) {
const auto* s = call_.GetAudioReceiveStream(ssrc);
EXPECT_NE(nullptr, s);
EXPECT_EQ(true, s->GetConfig().combined_audio_video_bwe);
}
// Disable combined BWE option - should be disabled again.
send_parameters_.options.combined_audio_video_bwe.Set(false);
EXPECT_TRUE(media_channel->SetSendParameters(send_parameters_));
for (uint32_t ssrc : ssrcs) {
const auto* s = call_.GetAudioReceiveStream(ssrc);
EXPECT_NE(nullptr, s);
EXPECT_EQ(false, s->GetConfig().combined_audio_video_bwe);
}
EXPECT_EQ(2, call_.GetAudioReceiveStreams().size());
}
TEST_F(WebRtcVoiceEngineTestFake, ConfigureCombinedBweForNewRecvStreams) {
// Test that adding receive streams after enabling combined bandwidth
// estimation will correctly configure each channel.
EXPECT_TRUE(SetupEngine());
cricket::WebRtcVoiceMediaChannel* media_channel =
static_cast<cricket::WebRtcVoiceMediaChannel*>(channel_);
send_parameters_.options.combined_audio_video_bwe.Set(true);
EXPECT_TRUE(media_channel->SetSendParameters(send_parameters_));
static const uint32_t kSsrcs[] = {1, 2, 3, 4};
for (unsigned int i = 0; i < ARRAY_SIZE(kSsrcs); ++i) {
EXPECT_TRUE(media_channel->AddRecvStream(
cricket::StreamParams::CreateLegacy(kSsrcs[i])));
EXPECT_NE(nullptr, call_.GetAudioReceiveStream(kSsrcs[i]));
}
EXPECT_EQ(ARRAY_SIZE(kSsrcs), call_.GetAudioReceiveStreams().size());
}
TEST_F(WebRtcVoiceEngineTestFake, ConfiguresAudioReceiveStreamRtpExtensions) {
// Test that setting the header extensions results in the expected state
// changes on an associated Call.
std::vector<uint32_t> ssrcs;
ssrcs.push_back(223);
ssrcs.push_back(224);
EXPECT_TRUE(SetupEngine());
cricket::WebRtcVoiceMediaChannel* media_channel =
static_cast<cricket::WebRtcVoiceMediaChannel*>(channel_);
send_parameters_.options.combined_audio_video_bwe.Set(true);
EXPECT_TRUE(media_channel->SetSendParameters(send_parameters_));
for (uint32_t ssrc : ssrcs) {
EXPECT_TRUE(media_channel->AddRecvStream(
cricket::StreamParams::CreateLegacy(ssrc)));
}
// Combined BWE should be set up, but with no configured extensions.
EXPECT_EQ(2, call_.GetAudioReceiveStreams().size());
for (uint32_t ssrc : ssrcs) {
const auto* s = call_.GetAudioReceiveStream(ssrc);
EXPECT_NE(nullptr, s);
EXPECT_EQ(0, s->GetConfig().rtp.extensions.size());
}
// Set up receive extensions.
const auto& e_exts = engine_.rtp_header_extensions();
cricket::AudioRecvParameters recv_parameters;
recv_parameters.extensions = e_exts;
channel_->SetRecvParameters(recv_parameters);
EXPECT_EQ(2, call_.GetAudioReceiveStreams().size());
for (uint32_t ssrc : ssrcs) {
const auto* s = call_.GetAudioReceiveStream(ssrc);
EXPECT_NE(nullptr, s);
const auto& s_exts = s->GetConfig().rtp.extensions;
EXPECT_EQ(e_exts.size(), s_exts.size());
for (const auto& e_ext : e_exts) {
for (const auto& s_ext : s_exts) {
if (e_ext.id == s_ext.id) {
EXPECT_EQ(e_ext.uri, s_ext.name);
}
}
}
}
// Disable receive extensions.
channel_->SetRecvParameters(cricket::AudioRecvParameters());
for (uint32_t ssrc : ssrcs) {
const auto* s = call_.GetAudioReceiveStream(ssrc);
EXPECT_NE(nullptr, s);
EXPECT_EQ(0, s->GetConfig().rtp.extensions.size());
}
}
TEST_F(WebRtcVoiceEngineTestFake, DeliverAudioPacket_Call) {
// Test that packets are forwarded to the Call when configured accordingly.
const uint32_t kAudioSsrc = 1;
rtc::Buffer kPcmuPacket(kPcmuFrame, sizeof(kPcmuFrame));
static const unsigned char kRtcp[] = {
0x80, 0xc9, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02,
0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
rtc::Buffer kRtcpPacket(kRtcp, sizeof(kRtcp));
EXPECT_TRUE(SetupEngine());
cricket::WebRtcVoiceMediaChannel* media_channel =
static_cast<cricket::WebRtcVoiceMediaChannel*>(channel_);
send_parameters_.options.combined_audio_video_bwe.Set(true);
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_TRUE(media_channel->AddRecvStream(
cricket::StreamParams::CreateLegacy(kAudioSsrc)));
EXPECT_EQ(1, call_.GetAudioReceiveStreams().size());
const cricket::FakeAudioReceiveStream* s =
call_.GetAudioReceiveStream(kAudioSsrc);
EXPECT_EQ(0, s->received_packets());
channel_->OnPacketReceived(&kPcmuPacket, rtc::PacketTime());
EXPECT_EQ(1, s->received_packets());
channel_->OnRtcpReceived(&kRtcpPacket, rtc::PacketTime());
EXPECT_EQ(2, s->received_packets());
}
// Associate channel should not set on 1:1 call, since the receive channel also
// sends RTCP SR.
TEST_F(WebRtcVoiceEngineTestFake, AssociateChannelUnset1On1) {
EXPECT_TRUE(SetupEngine());
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
int recv_ch = voe_.GetLastChannel();
EXPECT_EQ(voe_.GetAssociateSendChannel(recv_ch), -1);
}
// This test is an extension of AssociateChannelUnset1On1. We create two receive
// channels. The second should be associated with the default channel, since it
// does not send RTCP SR.
TEST_F(WebRtcVoiceEngineTestFake, AssociateDefaultChannelOnSecondRecvChannel) {
EXPECT_TRUE(SetupEngine());
int default_channel = voe_.GetLastChannel();
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
int recv_ch_1 = voe_.GetLastChannel();
EXPECT_EQ(recv_ch_1, default_channel);
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(2)));
int recv_ch_2 = voe_.GetLastChannel();
EXPECT_EQ(voe_.GetAssociateSendChannel(recv_ch_1), -1);
EXPECT_EQ(voe_.GetAssociateSendChannel(recv_ch_2), default_channel);
// Add send stream, the association remains.
EXPECT_TRUE(channel_->AddSendStream(cricket::StreamParams::CreateLegacy(3)));
EXPECT_EQ(voe_.GetAssociateSendChannel(recv_ch_1), -1);
EXPECT_EQ(voe_.GetAssociateSendChannel(recv_ch_2), default_channel);
}
// In conference mode, all receive channels should be associated with the
// default channel, since they do not send RTCP SR.
TEST_F(WebRtcVoiceEngineTestFake, AssociateDefaultChannelOnConference) {
EXPECT_TRUE(SetupEngine());
send_parameters_.options = options_conference_;
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
int default_channel = voe_.GetLastChannel();
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
int recv_ch = voe_.GetLastChannel();
EXPECT_NE(recv_ch, default_channel);
EXPECT_EQ(voe_.GetAssociateSendChannel(recv_ch), default_channel);
EXPECT_TRUE(channel_->AddSendStream(cricket::StreamParams::CreateLegacy(2)));
EXPECT_EQ(voe_.GetAssociateSendChannel(recv_ch), default_channel);
}
TEST_F(WebRtcVoiceEngineTestFake, AssociateChannelResetUponDeleteChannnel) {
EXPECT_TRUE(SetupEngine());
send_parameters_.options = options_conference_;
EXPECT_TRUE(channel_->SetSendParameters(send_parameters_));
EXPECT_TRUE(channel_->AddRecvStream(cricket::StreamParams::CreateLegacy(1)));
int recv_ch = voe_.GetLastChannel();
EXPECT_TRUE(channel_->AddSendStream(cricket::StreamParams::CreateLegacy(2)));
int send_ch = voe_.GetLastChannel();
// Manually associate |recv_ch| to |send_ch|. This test is to verify a
// deleting logic, i.e., deleting |send_ch| will reset the associate send
// channel of |recv_ch|.This is not a common case, since， normally, only the
// default channel can be associated. However, the default is not deletable.
// So we force the |recv_ch| to associate with a non-default channel.
EXPECT_EQ(0, voe_.AssociateSendChannel(recv_ch, send_ch));
EXPECT_EQ(voe_.GetAssociateSendChannel(recv_ch), send_ch);
EXPECT_TRUE(channel_->RemoveSendStream(2));
EXPECT_EQ(voe_.GetAssociateSendChannel(recv_ch), -1);
}
// Tests for the actual WebRtc VoE library.
TEST(WebRtcVoiceEngineTest, TestDefaultOptionsBeforeInit) {
cricket::WebRtcVoiceEngine engine;
cricket::AudioOptions options = engine.GetOptions();
// The default options should have at least a few things set. We purposefully
// don't check the option values here, though.
EXPECT_TRUE(options.echo_cancellation.IsSet());
EXPECT_TRUE(options.auto_gain_control.IsSet());
EXPECT_TRUE(options.noise_suppression.IsSet());
}
// Tests that the library initializes and shuts down properly.
TEST(WebRtcVoiceEngineTest, StartupShutdown) {
cricket::WebRtcVoiceEngine engine;
EXPECT_TRUE(engine.Init(rtc::Thread::Current()));
rtc::scoped_ptr<webrtc::Call> call(
webrtc::Call::Create(webrtc::Call::Config()));
cricket::VoiceMediaChannel* channel =
engine.CreateChannel(call.get(), cricket::AudioOptions());
EXPECT_TRUE(channel != nullptr);
delete channel;
engine.Terminate();
// Reinit to catch regression where VoiceEngineObserver reference is lost
EXPECT_TRUE(engine.Init(rtc::Thread::Current()));
engine.Terminate();
}
// Tests that the library is configured with the codecs we want.
TEST(WebRtcVoiceEngineTest, HasCorrectCodecs) {
cricket::WebRtcVoiceEngine engine;
// Check codecs by name.
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(96, "OPUS", 48000, 0, 2, 0)));
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(96, "ISAC", 16000, 0, 1, 0)));
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(96, "ISAC", 32000, 0, 1, 0)));
// Check that name matching is case-insensitive.
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(96, "ILBC", 8000, 0, 1, 0)));
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(96, "iLBC", 8000, 0, 1, 0)));
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(96, "PCMU", 8000, 0, 1, 0)));
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(96, "PCMA", 8000, 0, 1, 0)));
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(96, "G722", 8000, 0, 1, 0)));
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(96, "red", 8000, 0, 1, 0)));
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(96, "CN", 32000, 0, 1, 0)));
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(96, "CN", 16000, 0, 1, 0)));
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(96, "CN", 8000, 0, 1, 0)));
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(96, "telephone-event", 8000, 0, 1, 0)));
// Check codecs with an id by id.
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(0, "", 8000, 0, 1, 0))); // PCMU
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(8, "", 8000, 0, 1, 0))); // PCMA
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(9, "", 8000, 0, 1, 0))); // G722
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(13, "", 8000, 0, 1, 0))); // CN
// Check sample/bitrate matching.
EXPECT_TRUE(engine.FindCodec(
cricket::AudioCodec(0, "PCMU", 8000, 64000, 1, 0)));
// Check that bad codecs fail.
EXPECT_FALSE(engine.FindCodec(cricket::AudioCodec(99, "ABCD", 0, 0, 1, 0)));
EXPECT_FALSE(engine.FindCodec(cricket::AudioCodec(88, "", 0, 0, 1, 0)));
EXPECT_FALSE(engine.FindCodec(cricket::AudioCodec(0, "", 0, 0, 2, 0)));
EXPECT_FALSE(engine.FindCodec(cricket::AudioCodec(0, "", 5000, 0, 1, 0)));
EXPECT_FALSE(engine.FindCodec(cricket::AudioCodec(0, "", 0, 5000, 1, 0)));
// Verify the payload id of common audio codecs, including CN, ISAC, and G722.
for (std::vector<cricket::AudioCodec>::const_iterator it =
engine.codecs().begin(); it != engine.codecs().end(); ++it) {
if (it->name == "CN" && it->clockrate == 16000) {
EXPECT_EQ(105, it->id);
} else if (it->name == "CN" && it->clockrate == 32000) {
EXPECT_EQ(106, it->id);
} else if (it->name == "ISAC" && it->clockrate == 16000) {
EXPECT_EQ(103, it->id);
} else if (it->name == "ISAC" && it->clockrate == 32000) {
EXPECT_EQ(104, it->id);
} else if (it->name == "G722" && it->clockrate == 8000) {
EXPECT_EQ(9, it->id);
} else if (it->name == "telephone-event") {
EXPECT_EQ(126, it->id);
} else if (it->name == "red") {
EXPECT_EQ(127, it->id);
} else if (it->name == "opus") {
EXPECT_EQ(111, it->id);
ASSERT_TRUE(it->params.find("minptime") != it->params.end());
EXPECT_EQ("10", it->params.find("minptime")->second);
ASSERT_TRUE(it->params.find("maxptime") != it->params.end());
EXPECT_EQ("60", it->params.find("maxptime")->second);
ASSERT_TRUE(it->params.find("useinbandfec") != it->params.end());
EXPECT_EQ("1", it->params.find("useinbandfec")->second);
}
}
engine.Terminate();
}
// Tests that VoE supports at least 32 channels
TEST(WebRtcVoiceEngineTest, Has32Channels) {
cricket::WebRtcVoiceEngine engine;
EXPECT_TRUE(engine.Init(rtc::Thread::Current()));
rtc::scoped_ptr<webrtc::Call> call(
webrtc::Call::Create(webrtc::Call::Config()));
cricket::VoiceMediaChannel* channels[32];
int num_channels = 0;
while (num_channels < ARRAY_SIZE(channels)) {
cricket::VoiceMediaChannel* channel =
engine.CreateChannel(call.get(), cricket::AudioOptions());
if (!channel)
break;
channels[num_channels++] = channel;
}
int expected = ARRAY_SIZE(channels);
EXPECT_EQ(expected, num_channels);
while (num_channels > 0) {
delete channels[--num_channels];
}
engine.Terminate();
}
// Test that we set our preferred codecs properly.
TEST(WebRtcVoiceEngineTest, SetRecvCodecs) {
cricket::WebRtcVoiceEngine engine;
EXPECT_TRUE(engine.Init(rtc::Thread::Current()));
rtc::scoped_ptr<webrtc::Call> call(
webrtc::Call::Create(webrtc::Call::Config()));
cricket::WebRtcVoiceMediaChannel channel(&engine, cricket::AudioOptions(),
call.get());
cricket::AudioRecvParameters parameters;
parameters.codecs = engine.codecs();
EXPECT_TRUE(channel.SetRecvParameters(parameters));
}