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/*
* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "webrtc/modules/audio_coding/main/test/TestRedFec.h"
#include <assert.h>
#include "webrtc/common.h"
#include "webrtc/common_types.h"
#include "webrtc/engine_configurations.h"
#include "webrtc/modules/audio_coding/main/interface/audio_coding_module_typedefs.h"
#include "webrtc/modules/audio_coding/main/test/utility.h"
#include "webrtc/system_wrappers/interface/trace.h"
#include "webrtc/test/testsupport/fileutils.h"
namespace webrtc {
TestRedFec::TestRedFec()
: _acmA(AudioCodingModule::Create(0)),
_acmB(AudioCodingModule::Create(1)),
_channelA2B(NULL),
_testCntr(0) {
}
TestRedFec::~TestRedFec() {
if (_channelA2B != NULL) {
delete _channelA2B;
_channelA2B = NULL;
}
}
void TestRedFec::Perform() {
const std::string file_name = webrtc::test::ResourcePath(
"audio_coding/testfile32kHz", "pcm");
_inFileA.Open(file_name, 32000, "rb");
ASSERT_EQ(0, _acmA->InitializeReceiver());
ASSERT_EQ(0, _acmB->InitializeReceiver());
uint8_t numEncoders = _acmA->NumberOfCodecs();
CodecInst myCodecParam;
for (uint8_t n = 0; n < numEncoders; n++) {
EXPECT_EQ(0, _acmB->Codec(n, &myCodecParam));
// Default number of channels is 2 for opus, so we change to 1 in this test.
if (!strcmp(myCodecParam.plname, "opus")) {
myCodecParam.channels = 1;
}
EXPECT_EQ(0, _acmB->RegisterReceiveCodec(myCodecParam));
}
// Create and connect the channel
_channelA2B = new Channel;
_acmA->RegisterTransportCallback(_channelA2B);
_channelA2B->RegisterReceiverACM(_acmB.get());
#ifndef WEBRTC_CODEC_G722
EXPECT_TRUE(false);
printf("G722 needs to be activated to run this test\n");
return;
#endif
char nameG722[] = "G722";
EXPECT_EQ(0, RegisterSendCodec('A', nameG722, 16000));
char nameCN[] = "CN";
EXPECT_EQ(0, RegisterSendCodec('A', nameCN, 16000));
char nameRED[] = "RED";
EXPECT_EQ(0, RegisterSendCodec('A', nameRED));
OpenOutFile(_testCntr);
EXPECT_EQ(0, SetVAD(true, true, VADAggr));
EXPECT_EQ(0, _acmA->SetREDStatus(false));
EXPECT_FALSE(_acmA->REDStatus());
Run();
_outFileB.Close();
EXPECT_EQ(0, _acmA->SetREDStatus(true));
EXPECT_TRUE(_acmA->REDStatus());
OpenOutFile(_testCntr);
Run();
_outFileB.Close();
char nameISAC[] = "iSAC";
RegisterSendCodec('A', nameISAC, 16000);
OpenOutFile(_testCntr);
EXPECT_EQ(0, SetVAD(true, true, VADVeryAggr));
EXPECT_EQ(0, _acmA->SetREDStatus(false));
EXPECT_FALSE(_acmA->REDStatus());
Run();
_outFileB.Close();
EXPECT_EQ(0, _acmA->SetREDStatus(true));
EXPECT_TRUE(_acmA->REDStatus());
OpenOutFile(_testCntr);
Run();
_outFileB.Close();
RegisterSendCodec('A', nameISAC, 32000);
OpenOutFile(_testCntr);
EXPECT_EQ(0, SetVAD(true, true, VADVeryAggr));
EXPECT_EQ(0, _acmA->SetREDStatus(false));
EXPECT_FALSE(_acmA->REDStatus());
Run();
_outFileB.Close();
EXPECT_EQ(0, _acmA->SetREDStatus(true));
EXPECT_TRUE(_acmA->REDStatus());
OpenOutFile(_testCntr);
Run();
_outFileB.Close();
RegisterSendCodec('A', nameISAC, 32000);
OpenOutFile(_testCntr);
EXPECT_EQ(0, SetVAD(false, false, VADNormal));
EXPECT_EQ(0, _acmA->SetREDStatus(true));
EXPECT_TRUE(_acmA->REDStatus());
Run();
RegisterSendCodec('A', nameISAC, 16000);
EXPECT_TRUE(_acmA->REDStatus());
Run();
RegisterSendCodec('A', nameISAC, 32000);
EXPECT_TRUE(_acmA->REDStatus());
Run();
RegisterSendCodec('A', nameISAC, 16000);
EXPECT_TRUE(_acmA->REDStatus());
Run();
_outFileB.Close();
_channelA2B->SetFECTestWithPacketLoss(true);
EXPECT_EQ(0, RegisterSendCodec('A', nameG722));
EXPECT_EQ(0, RegisterSendCodec('A', nameCN, 16000));
OpenOutFile(_testCntr);
EXPECT_EQ(0, SetVAD(true, true, VADAggr));
EXPECT_EQ(0, _acmA->SetREDStatus(false));
EXPECT_FALSE(_acmA->REDStatus());
Run();
_outFileB.Close();
EXPECT_EQ(0, _acmA->SetREDStatus(true));
EXPECT_TRUE(_acmA->REDStatus());
OpenOutFile(_testCntr);
Run();
_outFileB.Close();
RegisterSendCodec('A', nameISAC, 16000);
OpenOutFile(_testCntr);
EXPECT_EQ(0, SetVAD(true, true, VADVeryAggr));
EXPECT_EQ(0, _acmA->SetREDStatus(false));
EXPECT_FALSE(_acmA->REDStatus());
Run();
_outFileB.Close();
EXPECT_EQ(0, _acmA->SetREDStatus(true));
EXPECT_TRUE(_acmA->REDStatus());
OpenOutFile(_testCntr);
Run();
_outFileB.Close();
RegisterSendCodec('A', nameISAC, 32000);
OpenOutFile(_testCntr);
EXPECT_EQ(0, SetVAD(true, true, VADVeryAggr));
EXPECT_EQ(0, _acmA->SetREDStatus(false));
EXPECT_FALSE(_acmA->REDStatus());
Run();
_outFileB.Close();
EXPECT_EQ(0, _acmA->SetREDStatus(true));
EXPECT_TRUE(_acmA->REDStatus());
OpenOutFile(_testCntr);
Run();
_outFileB.Close();
RegisterSendCodec('A', nameISAC, 32000);
OpenOutFile(_testCntr);
EXPECT_EQ(0, SetVAD(false, false, VADNormal));
EXPECT_EQ(0, _acmA->SetREDStatus(true));
EXPECT_TRUE(_acmA->REDStatus());
Run();
RegisterSendCodec('A', nameISAC, 16000);
EXPECT_TRUE(_acmA->REDStatus());
Run();
RegisterSendCodec('A', nameISAC, 32000);
EXPECT_TRUE(_acmA->REDStatus());
Run();
RegisterSendCodec('A', nameISAC, 16000);
EXPECT_TRUE(_acmA->REDStatus());
Run();
_outFileB.Close();
#ifndef WEBRTC_CODEC_OPUS
EXPECT_TRUE(false);
printf("Opus needs to be activated to run this test\n");
return;
#endif
char nameOpus[] = "opus";
RegisterSendCodec('A', nameOpus, 48000);
EXPECT_TRUE(_acmA->REDStatus());
// _channelA2B imposes 25% packet loss rate.
EXPECT_EQ(0, _acmA->SetPacketLossRate(25));
// Codec FEC and RED are mutually exclusive.
EXPECT_EQ(-1, _acmA->SetCodecFEC(true));
EXPECT_EQ(0, _acmA->SetREDStatus(false));
EXPECT_EQ(0, _acmA->SetCodecFEC(true));
// Codec FEC and RED are mutually exclusive.
EXPECT_EQ(-1, _acmA->SetREDStatus(true));
EXPECT_TRUE(_acmA->CodecFEC());
OpenOutFile(_testCntr);
Run();
// Switch to ISAC with RED.
RegisterSendCodec('A', nameISAC, 32000);
EXPECT_EQ(0, SetVAD(false, false, VADNormal));
// ISAC does not support FEC, so FEC should be turned off automatically.
EXPECT_FALSE(_acmA->CodecFEC());
EXPECT_EQ(0, _acmA->SetREDStatus(true));
EXPECT_TRUE(_acmA->REDStatus());
Run();
// Switch to Opus again.
RegisterSendCodec('A', nameOpus, 48000);
EXPECT_EQ(0, _acmA->SetCodecFEC(false));
EXPECT_EQ(0, _acmA->SetREDStatus(false));
Run();
EXPECT_EQ(0, _acmA->SetCodecFEC(true));
_outFileB.Close();
// Codecs does not support internal FEC, cannot enable FEC.
RegisterSendCodec('A', nameG722, 16000);
EXPECT_FALSE(_acmA->REDStatus());
EXPECT_EQ(-1, _acmA->SetCodecFEC(true));
EXPECT_FALSE(_acmA->CodecFEC());
RegisterSendCodec('A', nameISAC, 16000);
EXPECT_FALSE(_acmA->REDStatus());
EXPECT_EQ(-1, _acmA->SetCodecFEC(true));
EXPECT_FALSE(_acmA->CodecFEC());
// Codecs does not support internal FEC, disable FEC does not trigger failure.
RegisterSendCodec('A', nameG722, 16000);
EXPECT_FALSE(_acmA->REDStatus());
EXPECT_EQ(0, _acmA->SetCodecFEC(false));
EXPECT_FALSE(_acmA->CodecFEC());
RegisterSendCodec('A', nameISAC, 16000);
EXPECT_FALSE(_acmA->REDStatus());
EXPECT_EQ(0, _acmA->SetCodecFEC(false));
EXPECT_FALSE(_acmA->CodecFEC());
}
int32_t TestRedFec::SetVAD(bool enableDTX, bool enableVAD, ACMVADMode vadMode) {
return _acmA->SetVAD(enableDTX, enableVAD, vadMode);
}
int16_t TestRedFec::RegisterSendCodec(char side, char* codecName,
int32_t samplingFreqHz) {
std::cout << std::flush;
AudioCodingModule* myACM;
switch (side) {
case 'A': {
myACM = _acmA.get();
break;
}
case 'B': {
myACM = _acmB.get();
break;
}
default:
return -1;
}
if (myACM == NULL) {
assert(false);
return -1;
}
CodecInst myCodecParam;
EXPECT_GT(AudioCodingModule::Codec(codecName, &myCodecParam,
samplingFreqHz, 1), -1);
EXPECT_GT(myACM->RegisterSendCodec(myCodecParam), -1);
// Initialization was successful.
return 0;
}
void TestRedFec::Run() {
AudioFrame audioFrame;
uint16_t msecPassed = 0;
uint32_t secPassed = 0;
int32_t outFreqHzB = _outFileB.SamplingFrequency();
while (!_inFileA.EndOfFile()) {
EXPECT_GT(_inFileA.Read10MsData(audioFrame), 0);
EXPECT_EQ(0, _acmA->Add10MsData(audioFrame));
EXPECT_GT(_acmA->Process(), -1);
EXPECT_EQ(0, _acmB->PlayoutData10Ms(outFreqHzB, &audioFrame));
_outFileB.Write10MsData(audioFrame.data_, audioFrame.samples_per_channel_);
msecPassed += 10;
if (msecPassed >= 1000) {
msecPassed = 0;
secPassed++;
}
// Test that toggling RED on and off works.
if (((secPassed % 5) == 4) && (msecPassed == 0) && (_testCntr > 14)) {
EXPECT_EQ(0, _acmA->SetREDStatus(false));
}
if (((secPassed % 5) == 4) && (msecPassed >= 990) && (_testCntr > 14)) {
EXPECT_EQ(0, _acmA->SetREDStatus(true));
}
}
_inFileA.Rewind();
}
void TestRedFec::OpenOutFile(int16_t test_number) {
std::string file_name;
std::stringstream file_stream;
file_stream << webrtc::test::OutputPath();
file_stream << "TestRedFec_outFile_";
file_stream << test_number << ".pcm";
file_name = file_stream.str();
_outFileB.Open(file_name, 16000, "wb");
}
} // namespace webrtc
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