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/*
* Copyright (c) 2011 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 <cctype>
#include <stdio.h>
#include <string.h>
#ifdef WIN32
#include <Windows.h>
#endif
#include "common_types.h"
#include "engine_configurations.h"
#include "gtest/gtest.h"
#include "PCMFile.h"
#include "trace.h"
#include "testsupport/fileutils.h"
#include "utility.h"
namespace webrtc {
#define MAX_FILE_NAME_LENGTH_BYTE 500
TwoWayCommunication::TwoWayCommunication(int testMode)
{
_testMode = testMode;
}
TwoWayCommunication::~TwoWayCommunication()
{
AudioCodingModule::Destroy(_acmA);
AudioCodingModule::Destroy(_acmB);
AudioCodingModule::Destroy(_acmRefA);
AudioCodingModule::Destroy(_acmRefB);
delete _channel_A2B;
delete _channel_B2A;
delete _channelRef_A2B;
delete _channelRef_B2A;
#ifdef WEBRTC_DTMF_DETECTION
if(_dtmfDetectorA != NULL)
{
delete _dtmfDetectorA;
}
if(_dtmfDetectorB != NULL)
{
delete _dtmfDetectorB;
}
#endif
_inFileA.Close();
_inFileB.Close();
_outFileA.Close();
_outFileB.Close();
_outFileRefA.Close();
_outFileRefB.Close();
}
WebRtc_UWord8
TwoWayCommunication::ChooseCodec(WebRtc_UWord8* codecID_A,
WebRtc_UWord8* codecID_B)
{
AudioCodingModule* tmpACM = AudioCodingModule::Create(0);
WebRtc_UWord8 noCodec = tmpACM->NumberOfCodecs();
CodecInst codecInst;
printf("List of Supported Codecs\n");
printf("========================\n");
for(WebRtc_UWord8 codecCntr = 0; codecCntr < noCodec; codecCntr++)
{
tmpACM->Codec(codecCntr, codecInst);
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 = (WebRtc_UWord8)atoi(myStr);
printf("\nChoose a send codec for side B [0]: ");
EXPECT_TRUE(fgets(myStr, 10, stdin) != NULL);
*codecID_B = (WebRtc_UWord8)atoi(myStr);
AudioCodingModule::Destroy(tmpACM);
printf("\n");
return 0;
}
WebRtc_Word16
TwoWayCommunication::ChooseFile(char* fileName, WebRtc_Word16 maxLen,
WebRtc_UWord16* frequencyHz)
{
WebRtc_Word8 tmpName[MAX_FILE_NAME_LENGTH_BYTE];
//strcpy(_fileName, "in.pcm");
//printf("\n\nPlease enter the input file: ");
EXPECT_TRUE(fgets(tmpName, MAX_FILE_NAME_LENGTH_BYTE, stdin) != NULL);
tmpName[MAX_FILE_NAME_LENGTH_BYTE-1] = '\0';
WebRtc_Word16 n = 0;
// removing leading spaces
while((isspace(tmpName[n]) || iscntrl(tmpName[n])) &&
(tmpName[n] != 0) &&
(n < MAX_FILE_NAME_LENGTH_BYTE))
{
n++;
}
if(n > 0)
{
memmove(tmpName, &tmpName[n], MAX_FILE_NAME_LENGTH_BYTE - n);
}
//removing trailing spaces
n = (WebRtc_Word16)(strlen(tmpName) - 1);
if(n >= 0)
{
while((isspace(tmpName[n]) || iscntrl(tmpName[n])) &&
(n >= 0))
{
n--;
}
}
if(n >= 0)
{
tmpName[n + 1] = '\0';
}
WebRtc_Word16 len = (WebRtc_Word16)strlen(tmpName);
if(len > maxLen)
{
return -1;
}
if(len > 0)
{
strncpy(fileName, tmpName, len+1);
}
printf("Enter the sampling frequency (in Hz) of the above file [%u]: ",
*frequencyHz);
EXPECT_TRUE(fgets(tmpName, 6, stdin) != NULL);
WebRtc_UWord16 tmpFreq = (WebRtc_UWord16)atoi(tmpName);
if(tmpFreq > 0)
{
*frequencyHz = tmpFreq;
}
return 0;
}
WebRtc_Word16 TwoWayCommunication::SetUp()
{
_acmA = AudioCodingModule::Create(1);
_acmB = AudioCodingModule::Create(2);
_acmRefA = AudioCodingModule::Create(3);
_acmRefB = AudioCodingModule::Create(4);
WebRtc_UWord8 codecID_A;
WebRtc_UWord8 codecID_B;
ChooseCodec(&codecID_A, &codecID_B);
CodecInst codecInst_A;
CodecInst codecInst_B;
CodecInst dummyCodec;
_acmA->Codec(codecID_A, codecInst_A);
_acmB->Codec(codecID_B, codecInst_B);
_acmA->Codec(6, dummyCodec);
//--- Set A codecs
CHECK_ERROR(_acmA->RegisterSendCodec(codecInst_A));
CHECK_ERROR(_acmA->RegisterReceiveCodec(codecInst_B));
#ifdef WEBRTC_DTMF_DETECTION
_dtmfDetectorA = new(DTMFDetector);
CHECK_ERROR(_acmA->RegisterIncomingMessagesCallback(_dtmfDetectorA,
ACMUSA));
#endif
//--- Set ref-A codecs
CHECK_ERROR(_acmRefA->RegisterSendCodec(codecInst_A));
CHECK_ERROR(_acmRefA->RegisterReceiveCodec(codecInst_B));
//--- Set B codecs
CHECK_ERROR(_acmB->RegisterSendCodec(codecInst_B));
CHECK_ERROR(_acmB->RegisterReceiveCodec(codecInst_A));
#ifdef WEBRTC_DTMF_DETECTION
_dtmfDetectorB = new(DTMFDetector);
CHECK_ERROR(_acmB->RegisterIncomingMessagesCallback(_dtmfDetectorB,
ACMUSA));
#endif
//--- Set ref-B codecs
CHECK_ERROR(_acmRefB->RegisterSendCodec(codecInst_B));
CHECK_ERROR(_acmRefB->RegisterReceiveCodec(codecInst_A));
char fileName[500];
char refFileName[500];
WebRtc_UWord16 frequencyHz;
//--- Input A
strcpy(fileName, "./test/data/audio_coding/testfile32kHz.pcm");
frequencyHz = 32000;
printf("Enter input file at side A [%s]: ", fileName);
ChooseFile(fileName, 499, &frequencyHz);
_inFileA.Open(fileName, frequencyHz, "rb");
//--- Output A
std::string outputFileA = webrtc::test::OutputPath() + "outA.pcm";
strcpy(fileName, outputFileA.c_str());
frequencyHz = 16000;
printf("Enter output file at side A [%s]: ", fileName);
ChooseFile(fileName, 499, &frequencyHz);
_outFileA.Open(fileName, frequencyHz, "wb");
strcpy(refFileName, "ref_");
strcat(refFileName, fileName);
_outFileRefA.Open(refFileName, frequencyHz, "wb");
//--- Input B
strcpy(fileName, "./test/data/audio_coding/testfile32kHz.pcm");
frequencyHz = 32000;
printf("\n\nEnter input file at side B [%s]: ", fileName);
ChooseFile(fileName, 499, &frequencyHz);
_inFileB.Open(fileName, frequencyHz, "rb");
//--- Output B
std::string outputFileB = webrtc::test::OutputPath() + "outB.pcm";
strcpy(fileName, outputFileB.c_str());
frequencyHz = 16000;
printf("Enter output file at side B [%s]: ", fileName);
ChooseFile(fileName, 499, &frequencyHz);
_outFileB.Open(fileName, frequencyHz, "wb");
strcpy(refFileName, "ref_");
strcat(refFileName, fileName);
_outFileRefB.Open(refFileName, frequencyHz, "wb");
//--- Set A-to-B channel
_channel_A2B = new Channel;
_acmA->RegisterTransportCallback(_channel_A2B);
_channel_A2B->RegisterReceiverACM(_acmB);
//--- Do the same for the reference
_channelRef_A2B = new Channel;
_acmRefA->RegisterTransportCallback(_channelRef_A2B);
_channelRef_A2B->RegisterReceiverACM(_acmRefB);
//--- Set B-to-A channel
_channel_B2A = new Channel;
_acmB->RegisterTransportCallback(_channel_B2A);
_channel_B2A->RegisterReceiverACM(_acmA);
//--- Do the same for reference
_channelRef_B2A = new Channel;
_acmRefB->RegisterTransportCallback(_channelRef_B2A);
_channelRef_B2A->RegisterReceiverACM(_acmRefA);
// The clicks will be more obvious when we
// are in FAX mode.
_acmB->SetPlayoutMode(fax);
_acmRefB->SetPlayoutMode(fax);
return 0;
}
WebRtc_Word16 TwoWayCommunication::SetUpAutotest()
{
_acmA = AudioCodingModule::Create(1);
_acmB = AudioCodingModule::Create(2);
_acmRefA = AudioCodingModule::Create(3);
_acmRefB = AudioCodingModule::Create(4);
CodecInst codecInst_A;
CodecInst codecInst_B;
CodecInst dummyCodec;
_acmA->Codec("ISAC", codecInst_A, 16000);
_acmB->Codec("L16", codecInst_B, 8000);
_acmA->Codec(6, dummyCodec);
//--- Set A codecs
CHECK_ERROR(_acmA->RegisterSendCodec(codecInst_A));
CHECK_ERROR(_acmA->RegisterReceiveCodec(codecInst_B));
#ifdef WEBRTC_DTMF_DETECTION
_dtmfDetectorA = new(DTMFDetector);
CHECK_ERROR(_acmA->RegisterIncomingMessagesCallback(_dtmfDetectorA,
ACMUSA));
#endif
//--- Set ref-A codecs
CHECK_ERROR(_acmRefA->RegisterSendCodec(codecInst_A));
CHECK_ERROR(_acmRefA->RegisterReceiveCodec(codecInst_B));
//--- Set B codecs
CHECK_ERROR(_acmB->RegisterSendCodec(codecInst_B));
CHECK_ERROR(_acmB->RegisterReceiveCodec(codecInst_A));
#ifdef WEBRTC_DTMF_DETECTION
_dtmfDetectorB = new(DTMFDetector);
CHECK_ERROR(_acmB->RegisterIncomingMessagesCallback(_dtmfDetectorB,
ACMUSA));
#endif
//--- Set ref-B codecs
CHECK_ERROR(_acmRefB->RegisterSendCodec(codecInst_B));
CHECK_ERROR(_acmRefB->RegisterReceiveCodec(codecInst_A));
char fileName[500];
char refFileName[500];
WebRtc_UWord16 frequencyHz;
//--- Input A
strcpy(fileName, "./test/data/audio_coding/testfile32kHz.pcm");
frequencyHz = 16000;
_inFileA.Open(fileName, frequencyHz, "rb");
//--- Output A
std::string outputFileA = webrtc::test::OutputPath() + "outAutotestA.pcm";
strcpy(fileName, outputFileA.c_str());
frequencyHz = 16000;
_outFileA.Open(fileName, frequencyHz, "wb");
std::string outputRefFileA = webrtc::test::OutputPath() + "ref_outAutotestA.pcm";
strcpy(refFileName, outputRefFileA.c_str());
_outFileRefA.Open(refFileName, frequencyHz, "wb");
//--- Input B
strcpy(fileName, "./test/data/audio_coding/testfile32kHz.pcm");
frequencyHz = 16000;
_inFileB.Open(fileName, frequencyHz, "rb");
//--- Output B
std::string outputFileB = webrtc::test::OutputPath() + "outAutotestB.pcm";
strcpy(fileName, outputFileB.c_str());
frequencyHz = 16000;
_outFileB.Open(fileName, frequencyHz, "wb");
std::string outputRefFileB = webrtc::test::OutputPath() + "ref_outAutotestB.pcm";
strcpy(refFileName, outputRefFileB.c_str());
_outFileRefB.Open(refFileName, frequencyHz, "wb");
//--- Set A-to-B channel
_channel_A2B = new Channel;
_acmA->RegisterTransportCallback(_channel_A2B);
_channel_A2B->RegisterReceiverACM(_acmB);
//--- Do the same for the reference
_channelRef_A2B = new Channel;
_acmRefA->RegisterTransportCallback(_channelRef_A2B);
_channelRef_A2B->RegisterReceiverACM(_acmRefB);
//--- Set B-to-A channel
_channel_B2A = new Channel;
_acmB->RegisterTransportCallback(_channel_B2A);
_channel_B2A->RegisterReceiverACM(_acmA);
//--- Do the same for reference
_channelRef_B2A = new Channel;
_acmRefB->RegisterTransportCallback(_channelRef_B2A);
_channelRef_B2A->RegisterReceiverACM(_acmRefA);
// The clicks will be more obvious when we
// are in FAX mode.
_acmB->SetPlayoutMode(fax);
_acmRefB->SetPlayoutMode(fax);
return 0;
}
void
TwoWayCommunication::Perform()
{
if(_testMode == 0)
{
printf("Running TwoWayCommunication Test");
WEBRTC_TRACE(kTraceStateInfo, kTraceAudioCoding, -1,
"---------- TwoWayCommunication ----------");
SetUpAutotest();
}
else
{
SetUp();
}
unsigned int msecPassed = 0;
unsigned int secPassed = 0;
WebRtc_Word32 outFreqHzA = _outFileA.SamplingFrequency();
WebRtc_Word32 outFreqHzB = _outFileB.SamplingFrequency();
AudioFrame audioFrame;
CodecInst codecInst_B;
CodecInst dummy;
_acmB->SendCodec(codecInst_B);
if(_testMode != 0)
{
printf("\n");
printf("sec:msec A B\n");
printf("-------- ----- -----\n");
}
while(!_inFileA.EndOfFile() && !_inFileB.EndOfFile())
{
_inFileA.Read10MsData(audioFrame);
_acmA->Add10MsData(audioFrame);
_acmRefA->Add10MsData(audioFrame);
_inFileB.Read10MsData(audioFrame);
_acmB->Add10MsData(audioFrame);
_acmRefB->Add10MsData(audioFrame);
_acmA->Process();
_acmB->Process();
_acmRefA->Process();
_acmRefB->Process();
_acmA->PlayoutData10Ms(outFreqHzA, audioFrame);
_outFileA.Write10MsData(audioFrame);
_acmRefA->PlayoutData10Ms(outFreqHzA, audioFrame);
_outFileRefA.Write10MsData(audioFrame);
_acmB->PlayoutData10Ms(outFreqHzB, audioFrame);
_outFileB.Write10MsData(audioFrame);
_acmRefB->PlayoutData10Ms(outFreqHzB, audioFrame);
_outFileRefB.Write10MsData(audioFrame);
msecPassed += 10;
if(msecPassed >= 1000)
{
msecPassed = 0;
secPassed++;
}
if(((secPassed%5) == 4) && (msecPassed == 0))
{
if(_testMode != 0)
{
printf("%3u:%3u ", secPassed, msecPassed);
}
_acmA->ResetEncoder();
if(_testMode == 0)
{
WEBRTC_TRACE(kTraceStateInfo, kTraceAudioCoding, -1,
"---------- Errors epected");
printf(".");
}
else
{
printf("Reset Encoder (click in side B) ");
printf("Initialize Sender (no audio in side A)\n");
}
CHECK_ERROR(_acmB->InitializeSender());
}
if(((secPassed%5) == 4) && (msecPassed >= 990))
{
if(_testMode == 0)
{
WEBRTC_TRACE(kTraceStateInfo, kTraceAudioCoding, -1,
"----- END: Errors epected");
printf(".");
}
else
{
printf("%3u:%3u ", secPassed, msecPassed);
printf(" ");
printf("Register Send Codec (audio back in side A)\n");
}
CHECK_ERROR(_acmB->RegisterSendCodec(codecInst_B));
CHECK_ERROR(_acmB->SendCodec(dummy));
}
if(((secPassed%7) == 6) && (msecPassed == 0))
{
CHECK_ERROR(_acmB->ResetDecoder());
if(_testMode == 0)
{
WEBRTC_TRACE(kTraceStateInfo, kTraceAudioCoding, -1,
"---------- Errors epected");
printf(".");
}
else
{
printf("%3u:%3u ", secPassed, msecPassed);
printf("Initialize Receiver (no audio in side A) ");
printf("Reset Decoder\n");
}
CHECK_ERROR(_acmA->InitializeReceiver());
}
if(((secPassed%7) == 6) && (msecPassed >= 990))
{
if(_testMode == 0)
{
WEBRTC_TRACE(kTraceStateInfo, kTraceAudioCoding, -1,
"----- END: Errors epected");
printf(".");
}
else
{
printf("%3u:%3u ", secPassed, msecPassed);
printf("Register Receive Coded (audio back in side A)\n");
}
CHECK_ERROR(_acmA->RegisterReceiveCodec(codecInst_B));
}
//Sleep(9);
}
if(_testMode == 0)
{
printf("Done!\n");
}
#ifdef WEBRTC_DTMF_DETECTION
printf("\nDTMF at Side A\n");
_dtmfDetectorA->PrintDetectedDigits();
printf("\nDTMF at Side B\n");
_dtmfDetectorB->PrintDetectedDigits();
#endif
}
} // namespace webrtc