| /* |
| * 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 "modules/audio_coding/test/EncodeDecodeTest.h" |
| |
| #include <memory> |
| #include <sstream> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #include "common_types.h" // NOLINT(build/include) |
| #include "modules/audio_coding/codecs/audio_format_conversion.h" |
| #include "modules/audio_coding/include/audio_coding_module.h" |
| #include "modules/audio_coding/test/utility.h" |
| #include "test/gtest.h" |
| #include "test/testsupport/fileutils.h" |
| |
| namespace webrtc { |
| |
| TestPacketization::TestPacketization(RTPStream *rtpStream, uint16_t frequency) |
| : _rtpStream(rtpStream), |
| _frequency(frequency), |
| _seqNo(0) { |
| } |
| |
| TestPacketization::~TestPacketization() { |
| } |
| |
| int32_t TestPacketization::SendData( |
| const FrameType /* frameType */, const uint8_t payloadType, |
| const uint32_t timeStamp, const uint8_t* payloadData, |
| const size_t payloadSize, |
| const RTPFragmentationHeader* /* fragmentation */) { |
| _rtpStream->Write(payloadType, timeStamp, _seqNo++, payloadData, payloadSize, |
| _frequency); |
| return 1; |
| } |
| |
| Sender::Sender() |
| : _acm(NULL), |
| _pcmFile(), |
| _audioFrame(), |
| _packetization(NULL) { |
| } |
| |
| void Sender::Setup(AudioCodingModule *acm, RTPStream *rtpStream, |
| std::string in_file_name, int sample_rate, size_t channels) { |
| struct CodecInst sendCodec; |
| int noOfCodecs = acm->NumberOfCodecs(); |
| int codecNo; |
| |
| // Open input file |
| const std::string file_name = webrtc::test::ResourcePath(in_file_name, "pcm"); |
| _pcmFile.Open(file_name, sample_rate, "rb"); |
| if (channels == 2) { |
| _pcmFile.ReadStereo(true); |
| } |
| // Set test length to 500 ms (50 blocks of 10 ms each). |
| _pcmFile.SetNum10MsBlocksToRead(50); |
| // Fast-forward 1 second (100 blocks) since the file starts with silence. |
| _pcmFile.FastForward(100); |
| |
| // Set the codec for the current test. |
| if ((testMode == 0) || (testMode == 1)) { |
| // Set the codec id. |
| codecNo = codeId; |
| } else { |
| // Choose codec on command line. |
| printf("List of supported codec.\n"); |
| for (int n = 0; n < noOfCodecs; n++) { |
| EXPECT_EQ(0, acm->Codec(n, &sendCodec)); |
| printf("%d %s\n", n, sendCodec.plname); |
| } |
| printf("Choose your codec:"); |
| ASSERT_GT(scanf("%d", &codecNo), 0); |
| } |
| |
| EXPECT_EQ(0, acm->Codec(codecNo, &sendCodec)); |
| |
| sendCodec.channels = channels; |
| |
| EXPECT_EQ(0, acm->RegisterSendCodec(sendCodec)); |
| _packetization = new TestPacketization(rtpStream, sendCodec.plfreq); |
| EXPECT_EQ(0, acm->RegisterTransportCallback(_packetization)); |
| |
| _acm = acm; |
| } |
| |
| void Sender::Teardown() { |
| _pcmFile.Close(); |
| delete _packetization; |
| } |
| |
| bool Sender::Add10MsData() { |
| if (!_pcmFile.EndOfFile()) { |
| EXPECT_GT(_pcmFile.Read10MsData(_audioFrame), 0); |
| int32_t ok = _acm->Add10MsData(_audioFrame); |
| EXPECT_GE(ok, 0); |
| return ok >= 0 ? true : false; |
| } |
| return false; |
| } |
| |
| void Sender::Run() { |
| while (true) { |
| if (!Add10MsData()) { |
| break; |
| } |
| } |
| } |
| |
| Receiver::Receiver() |
| : _playoutLengthSmpls(WEBRTC_10MS_PCM_AUDIO), |
| _payloadSizeBytes(MAX_INCOMING_PAYLOAD) { |
| } |
| |
| void Receiver::Setup(AudioCodingModule *acm, RTPStream *rtpStream, |
| std::string out_file_name, size_t channels) { |
| struct CodecInst recvCodec = CodecInst(); |
| int noOfCodecs; |
| EXPECT_EQ(0, acm->InitializeReceiver()); |
| |
| noOfCodecs = acm->NumberOfCodecs(); |
| for (int i = 0; i < noOfCodecs; i++) { |
| EXPECT_EQ(0, acm->Codec(i, &recvCodec)); |
| if (recvCodec.channels == channels) |
| EXPECT_EQ(true, acm->RegisterReceiveCodec(recvCodec.pltype, |
| CodecInstToSdp(recvCodec))); |
| // Forces mono/stereo for Opus. |
| if (!strcmp(recvCodec.plname, "opus")) { |
| recvCodec.channels = channels; |
| EXPECT_EQ(true, acm->RegisterReceiveCodec(recvCodec.pltype, |
| CodecInstToSdp(recvCodec))); |
| } |
| } |
| |
| int playSampFreq; |
| std::string file_name; |
| std::stringstream file_stream; |
| file_stream << webrtc::test::OutputPath() << out_file_name |
| << static_cast<int>(codeId) << ".pcm"; |
| file_name = file_stream.str(); |
| _rtpStream = rtpStream; |
| |
| if (testMode == 1) { |
| playSampFreq = recvCodec.plfreq; |
| _pcmFile.Open(file_name, recvCodec.plfreq, "wb+"); |
| } else if (testMode == 0) { |
| playSampFreq = 32000; |
| _pcmFile.Open(file_name, 32000, "wb+"); |
| } else { |
| printf("\nValid output frequencies:\n"); |
| printf("8000\n16000\n32000\n-1,"); |
| printf("which means output frequency equal to received signal frequency"); |
| printf("\n\nChoose output sampling frequency: "); |
| ASSERT_GT(scanf("%d", &playSampFreq), 0); |
| file_name = webrtc::test::OutputPath() + out_file_name + ".pcm"; |
| _pcmFile.Open(file_name, playSampFreq, "wb+"); |
| } |
| |
| _realPayloadSizeBytes = 0; |
| _playoutBuffer = new int16_t[WEBRTC_10MS_PCM_AUDIO]; |
| _frequency = playSampFreq; |
| _acm = acm; |
| _firstTime = true; |
| } |
| |
| void Receiver::Teardown() { |
| delete[] _playoutBuffer; |
| _pcmFile.Close(); |
| } |
| |
| bool Receiver::IncomingPacket() { |
| if (!_rtpStream->EndOfFile()) { |
| if (_firstTime) { |
| _firstTime = false; |
| _realPayloadSizeBytes = _rtpStream->Read(&_rtpInfo, _incomingPayload, |
| _payloadSizeBytes, &_nextTime); |
| if (_realPayloadSizeBytes == 0) { |
| if (_rtpStream->EndOfFile()) { |
| _firstTime = true; |
| return true; |
| } else { |
| return false; |
| } |
| } |
| } |
| |
| EXPECT_EQ(0, _acm->IncomingPacket(_incomingPayload, _realPayloadSizeBytes, |
| _rtpInfo)); |
| _realPayloadSizeBytes = _rtpStream->Read(&_rtpInfo, _incomingPayload, |
| _payloadSizeBytes, &_nextTime); |
| if (_realPayloadSizeBytes == 0 && _rtpStream->EndOfFile()) { |
| _firstTime = true; |
| } |
| } |
| return true; |
| } |
| |
| bool Receiver::PlayoutData() { |
| AudioFrame audioFrame; |
| bool muted; |
| int32_t ok = _acm->PlayoutData10Ms(_frequency, &audioFrame, &muted); |
| if (muted) { |
| ADD_FAILURE(); |
| return false; |
| } |
| EXPECT_EQ(0, ok); |
| if (ok < 0){ |
| return false; |
| } |
| if (_playoutLengthSmpls == 0) { |
| return false; |
| } |
| _pcmFile.Write10MsData(audioFrame.data(), |
| audioFrame.samples_per_channel_ * audioFrame.num_channels_); |
| return true; |
| } |
| |
| void Receiver::Run() { |
| uint8_t counter500Ms = 50; |
| uint32_t clock = 0; |
| |
| while (counter500Ms > 0) { |
| if (clock == 0 || clock >= _nextTime) { |
| EXPECT_TRUE(IncomingPacket()); |
| if (clock == 0) { |
| clock = _nextTime; |
| } |
| } |
| if ((clock % 10) == 0) { |
| if (!PlayoutData()) { |
| clock++; |
| continue; |
| } |
| } |
| if (_rtpStream->EndOfFile()) { |
| counter500Ms--; |
| } |
| clock++; |
| } |
| } |
| |
| EncodeDecodeTest::EncodeDecodeTest() { |
| _testMode = 2; |
| } |
| |
| EncodeDecodeTest::EncodeDecodeTest(int testMode) { |
| //testMode == 0 for autotest |
| //testMode == 1 for testing all codecs/parameters |
| //testMode > 1 for specific user-input test (as it was used before) |
| _testMode = testMode; |
| } |
| |
| void EncodeDecodeTest::Perform() { |
| int numCodecs = 1; |
| int codePars[3]; // Frequency, packet size, rate. |
| int numPars[52]; // Number of codec parameters sets (freq, pacsize, rate) |
| // to test, for a given codec. |
| |
| codePars[0] = 0; |
| codePars[1] = 0; |
| codePars[2] = 0; |
| |
| std::unique_ptr<AudioCodingModule> acm(AudioCodingModule::Create()); |
| struct CodecInst sendCodecTmp; |
| numCodecs = acm->NumberOfCodecs(); |
| |
| if (_testMode != 2) { |
| for (int n = 0; n < numCodecs; n++) { |
| EXPECT_EQ(0, acm->Codec(n, &sendCodecTmp)); |
| if (STR_CASE_CMP(sendCodecTmp.plname, "telephone-event") == 0) { |
| numPars[n] = 0; |
| } else if (STR_CASE_CMP(sendCodecTmp.plname, "cn") == 0) { |
| numPars[n] = 0; |
| } else if (STR_CASE_CMP(sendCodecTmp.plname, "red") == 0) { |
| numPars[n] = 0; |
| } else if (sendCodecTmp.channels == 2) { |
| numPars[n] = 0; |
| } else { |
| numPars[n] = 1; |
| } |
| } |
| } else { |
| numCodecs = 1; |
| numPars[0] = 1; |
| } |
| |
| _receiver.testMode = _testMode; |
| |
| // Loop over all mono codecs: |
| for (int codeId = 0; codeId < numCodecs; codeId++) { |
| // Only encode using real mono encoders, not telephone-event and cng. |
| for (int loopPars = 1; loopPars <= numPars[codeId]; loopPars++) { |
| // Encode all data to file. |
| std::string fileName = EncodeToFile(1, codeId, codePars, _testMode); |
| |
| RTPFile rtpFile; |
| rtpFile.Open(fileName.c_str(), "rb"); |
| |
| _receiver.codeId = codeId; |
| |
| rtpFile.ReadHeader(); |
| _receiver.Setup(acm.get(), &rtpFile, "encodeDecode_out", 1); |
| _receiver.Run(); |
| _receiver.Teardown(); |
| rtpFile.Close(); |
| } |
| } |
| } |
| |
| std::string EncodeDecodeTest::EncodeToFile(int fileType, |
| int codeId, |
| int* codePars, |
| int testMode) { |
| std::unique_ptr<AudioCodingModule> acm(AudioCodingModule::Create()); |
| RTPFile rtpFile; |
| std::string fileName = webrtc::test::TempFilename(webrtc::test::OutputPath(), |
| "encode_decode_rtp"); |
| rtpFile.Open(fileName.c_str(), "wb+"); |
| rtpFile.WriteHeader(); |
| |
| // Store for auto_test and logging. |
| _sender.testMode = testMode; |
| _sender.codeId = codeId; |
| |
| _sender.Setup(acm.get(), &rtpFile, "audio_coding/testfile32kHz", 32000, 1); |
| if (acm->SendCodec()) { |
| _sender.Run(); |
| } |
| _sender.Teardown(); |
| rtpFile.Close(); |
| |
| return fileName; |
| } |
| |
| } // namespace webrtc |