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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 "TwoWayCommunication.h"
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include <memory>
#ifdef WIN32
#include <Windows.h>
#endif
#include "api/audio_codecs/builtin_audio_decoder_factory.h"
#include "common_types.h" // NOLINT(build/include)
#include "modules/audio_coding/codecs/audio_format_conversion.h"
#include "modules/audio_coding/test/PCMFile.h"
#include "modules/audio_coding/test/utility.h"
#include "test/gtest.h"
#include "test/testsupport/fileutils.h"
namespace webrtc {
#define MAX_FILE_NAME_LENGTH_BYTE 500
TwoWayCommunication::TwoWayCommunication(int testMode)
: _acmA(AudioCodingModule::Create(
AudioCodingModule::Config(CreateBuiltinAudioDecoderFactory()))),
_acmRefA(AudioCodingModule::Create(
AudioCodingModule::Config(CreateBuiltinAudioDecoderFactory()))),
_testMode(testMode) {
AudioCodingModule::Config config;
// The clicks will be more obvious if time-stretching is not allowed.
// TODO(henrik.lundin) Really?
config.neteq_config.for_test_no_time_stretching = true;
config.decoder_factory = CreateBuiltinAudioDecoderFactory();
_acmB.reset(AudioCodingModule::Create(config));
_acmRefB.reset(AudioCodingModule::Create(config));
}
TwoWayCommunication::~TwoWayCommunication() {
delete _channel_A2B;
delete _channel_B2A;
delete _channelRef_A2B;
delete _channelRef_B2A;
_inFileA.Close();
_inFileB.Close();
_outFileA.Close();
_outFileB.Close();
_outFileRefA.Close();
_outFileRefB.Close();
}
void TwoWayCommunication::ChooseCodec(uint8_t* codecID_A, uint8_t* codecID_B) {
std::unique_ptr<AudioCodingModule> tmpACM(AudioCodingModule::Create(
AudioCodingModule::Config(CreateBuiltinAudioDecoderFactory())));
uint8_t noCodec = tmpACM->NumberOfCodecs();
CodecInst codecInst;
printf("List of Supported Codecs\n");
printf("========================\n");
for (uint8_t codecCntr = 0; codecCntr < noCodec; codecCntr++) {
EXPECT_EQ(tmpACM->Codec(codecCntr, &codecInst), 0);
printf("%d- %s\n", codecCntr, codecInst.plname);
}
printf("\nChoose a send codec for side A [0]: ");
char myStr[15] = "";
EXPECT_TRUE(fgets(myStr, 10, stdin) != NULL);
*codecID_A = (uint8_t)atoi(myStr);
printf("\nChoose a send codec for side B [0]: ");
EXPECT_TRUE(fgets(myStr, 10, stdin) != NULL);
*codecID_B = (uint8_t)atoi(myStr);
printf("\n");
}
void TwoWayCommunication::SetUp() {
uint8_t codecID_A;
uint8_t codecID_B;
ChooseCodec(&codecID_A, &codecID_B);
CodecInst codecInst_A;
CodecInst codecInst_B;
CodecInst dummyCodec;
EXPECT_EQ(0, _acmA->Codec(codecID_A, &codecInst_A));
EXPECT_EQ(0, _acmB->Codec(codecID_B, &codecInst_B));
EXPECT_EQ(0, _acmA->Codec(6, &dummyCodec));
//--- Set A codecs
EXPECT_EQ(0, _acmA->RegisterSendCodec(codecInst_A));
EXPECT_EQ(true, _acmA->RegisterReceiveCodec(codecInst_B.pltype,
CodecInstToSdp(codecInst_B)));
//--- Set ref-A codecs
EXPECT_EQ(0, _acmRefA->RegisterSendCodec(codecInst_A));
EXPECT_EQ(true, _acmRefA->RegisterReceiveCodec(codecInst_B.pltype,
CodecInstToSdp(codecInst_B)));
//--- Set B codecs
EXPECT_EQ(0, _acmB->RegisterSendCodec(codecInst_B));
EXPECT_EQ(true, _acmB->RegisterReceiveCodec(codecInst_A.pltype,
CodecInstToSdp(codecInst_A)));
//--- Set ref-B codecs
EXPECT_EQ(0, _acmRefB->RegisterSendCodec(codecInst_B));
EXPECT_EQ(true, _acmRefB->RegisterReceiveCodec(codecInst_A.pltype,
CodecInstToSdp(codecInst_A)));
uint16_t frequencyHz;
//--- Input A
std::string in_file_name =
webrtc::test::ResourcePath("audio_coding/testfile32kHz", "pcm");
frequencyHz = 32000;
printf("Enter input file at side A [%s]: ", in_file_name.c_str());
PCMFile::ChooseFile(&in_file_name, 499, &frequencyHz);
_inFileA.Open(in_file_name, frequencyHz, "rb");
//--- Output A
std::string out_file_a = webrtc::test::OutputPath() + "outA.pcm";
printf("Output file at side A: %s\n", out_file_a.c_str());
printf("Sampling frequency (in Hz) of the above file: %u\n", frequencyHz);
_outFileA.Open(out_file_a, frequencyHz, "wb");
std::string ref_file_name = webrtc::test::OutputPath() + "ref_outA.pcm";
_outFileRefA.Open(ref_file_name, frequencyHz, "wb");
//--- Input B
in_file_name =
webrtc::test::ResourcePath("audio_coding/testfile32kHz", "pcm");
frequencyHz = 32000;
printf("\n\nEnter input file at side B [%s]: ", in_file_name.c_str());
PCMFile::ChooseFile(&in_file_name, 499, &frequencyHz);
_inFileB.Open(in_file_name, frequencyHz, "rb");
//--- Output B
std::string out_file_b = webrtc::test::OutputPath() + "outB.pcm";
printf("Output file at side B: %s\n", out_file_b.c_str());
printf("Sampling frequency (in Hz) of the above file: %u\n", frequencyHz);
_outFileB.Open(out_file_b, frequencyHz, "wb");
ref_file_name = webrtc::test::OutputPath() + "ref_outB.pcm";
_outFileRefB.Open(ref_file_name, frequencyHz, "wb");
//--- Set A-to-B channel
_channel_A2B = new Channel;
_acmA->RegisterTransportCallback(_channel_A2B);
_channel_A2B->RegisterReceiverACM(_acmB.get());
//--- Do the same for the reference
_channelRef_A2B = new Channel;
_acmRefA->RegisterTransportCallback(_channelRef_A2B);
_channelRef_A2B->RegisterReceiverACM(_acmRefB.get());
//--- Set B-to-A channel
_channel_B2A = new Channel;
_acmB->RegisterTransportCallback(_channel_B2A);
_channel_B2A->RegisterReceiverACM(_acmA.get());
//--- Do the same for reference
_channelRef_B2A = new Channel;
_acmRefB->RegisterTransportCallback(_channelRef_B2A);
_channelRef_B2A->RegisterReceiverACM(_acmRefA.get());
}
void TwoWayCommunication::SetUpAutotest() {
CodecInst codecInst_A;
CodecInst codecInst_B;
CodecInst dummyCodec;
EXPECT_EQ(0, _acmA->Codec("ISAC", &codecInst_A, 16000, 1));
EXPECT_EQ(0, _acmB->Codec("L16", &codecInst_B, 8000, 1));
EXPECT_EQ(0, _acmA->Codec(6, &dummyCodec));
//--- Set A codecs
EXPECT_EQ(0, _acmA->RegisterSendCodec(codecInst_A));
EXPECT_EQ(true, _acmA->RegisterReceiveCodec(codecInst_B.pltype,
CodecInstToSdp(codecInst_B)));
//--- Set ref-A codecs
EXPECT_GT(_acmRefA->RegisterSendCodec(codecInst_A), -1);
EXPECT_EQ(true, _acmRefA->RegisterReceiveCodec(codecInst_B.pltype,
CodecInstToSdp(codecInst_B)));
//--- Set B codecs
EXPECT_GT(_acmB->RegisterSendCodec(codecInst_B), -1);
EXPECT_EQ(true, _acmB->RegisterReceiveCodec(codecInst_A.pltype,
CodecInstToSdp(codecInst_A)));
//--- Set ref-B codecs
EXPECT_EQ(0, _acmRefB->RegisterSendCodec(codecInst_B));
EXPECT_EQ(true, _acmRefB->RegisterReceiveCodec(codecInst_A.pltype,
CodecInstToSdp(codecInst_A)));
uint16_t frequencyHz;
//--- Input A and B
std::string in_file_name =
webrtc::test::ResourcePath("audio_coding/testfile32kHz", "pcm");
frequencyHz = 16000;
_inFileA.Open(in_file_name, frequencyHz, "rb");
_inFileB.Open(in_file_name, frequencyHz, "rb");
//--- Output A
std::string output_file_a = webrtc::test::OutputPath() + "outAutotestA.pcm";
frequencyHz = 16000;
_outFileA.Open(output_file_a, frequencyHz, "wb");
std::string output_ref_file_a =
webrtc::test::OutputPath() + "ref_outAutotestA.pcm";
_outFileRefA.Open(output_ref_file_a, frequencyHz, "wb");
//--- Output B
std::string output_file_b = webrtc::test::OutputPath() + "outAutotestB.pcm";
frequencyHz = 16000;
_outFileB.Open(output_file_b, frequencyHz, "wb");
std::string output_ref_file_b =
webrtc::test::OutputPath() + "ref_outAutotestB.pcm";
_outFileRefB.Open(output_ref_file_b, frequencyHz, "wb");
//--- Set A-to-B channel
_channel_A2B = new Channel;
_acmA->RegisterTransportCallback(_channel_A2B);
_channel_A2B->RegisterReceiverACM(_acmB.get());
//--- Do the same for the reference
_channelRef_A2B = new Channel;
_acmRefA->RegisterTransportCallback(_channelRef_A2B);
_channelRef_A2B->RegisterReceiverACM(_acmRefB.get());
//--- Set B-to-A channel
_channel_B2A = new Channel;
_acmB->RegisterTransportCallback(_channel_B2A);
_channel_B2A->RegisterReceiverACM(_acmA.get());
//--- Do the same for reference
_channelRef_B2A = new Channel;
_acmRefB->RegisterTransportCallback(_channelRef_B2A);
_channelRef_B2A->RegisterReceiverACM(_acmRefA.get());
}
void TwoWayCommunication::Perform() {
if (_testMode == 0) {
SetUpAutotest();
} else {
SetUp();
}
unsigned int msecPassed = 0;
unsigned int secPassed = 0;
int32_t outFreqHzA = _outFileA.SamplingFrequency();
int32_t outFreqHzB = _outFileB.SamplingFrequency();
AudioFrame audioFrame;
auto codecInst_B = _acmB->SendCodec();
ASSERT_TRUE(codecInst_B);
// In the following loop we tests that the code can handle misuse of the APIs.
// In the middle of a session with data flowing between two sides, called A
// and B, APIs will be called, and the code should continue to run, and be
// able to recover.
while (!_inFileA.EndOfFile() && !_inFileB.EndOfFile()) {
msecPassed += 10;
EXPECT_GT(_inFileA.Read10MsData(audioFrame), 0);
EXPECT_GE(_acmA->Add10MsData(audioFrame), 0);
EXPECT_GE(_acmRefA->Add10MsData(audioFrame), 0);
EXPECT_GT(_inFileB.Read10MsData(audioFrame), 0);
EXPECT_GE(_acmB->Add10MsData(audioFrame), 0);
EXPECT_GE(_acmRefB->Add10MsData(audioFrame), 0);
bool muted;
EXPECT_EQ(0, _acmA->PlayoutData10Ms(outFreqHzA, &audioFrame, &muted));
ASSERT_FALSE(muted);
_outFileA.Write10MsData(audioFrame);
EXPECT_EQ(0, _acmRefA->PlayoutData10Ms(outFreqHzA, &audioFrame, &muted));
ASSERT_FALSE(muted);
_outFileRefA.Write10MsData(audioFrame);
EXPECT_EQ(0, _acmB->PlayoutData10Ms(outFreqHzB, &audioFrame, &muted));
ASSERT_FALSE(muted);
_outFileB.Write10MsData(audioFrame);
EXPECT_EQ(0, _acmRefB->PlayoutData10Ms(outFreqHzB, &audioFrame, &muted));
ASSERT_FALSE(muted);
_outFileRefB.Write10MsData(audioFrame);
// Update time counters each time a second of data has passed.
if (msecPassed >= 1000) {
msecPassed = 0;
secPassed++;
}
// Re-register send codec on side B.
if (((secPassed % 5) == 4) && (msecPassed >= 990)) {
EXPECT_EQ(0, _acmB->RegisterSendCodec(*codecInst_B));
EXPECT_TRUE(_acmB->SendCodec());
}
// Initialize receiver on side A.
if (((secPassed % 7) == 6) && (msecPassed == 0))
EXPECT_EQ(0, _acmA->InitializeReceiver());
// Re-register codec on side A.
if (((secPassed % 7) == 6) && (msecPassed >= 990)) {
EXPECT_EQ(true, _acmA->RegisterReceiveCodec(
codecInst_B->pltype, CodecInstToSdp(*codecInst_B)));
}
}
}
} // namespace webrtc