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/*
* Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010 Savoir-Faire Linux Inc.
* Author: Alexandre Savard <alexandre.savard@savoirfairelinux.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Additional permission under GNU GPL version 3 section 7:
*
* If you modify this program, or any covered work, by linking or
* combining it with the OpenSSL project's OpenSSL library (or a
* modified version of that library), containing parts covered by the
* terms of the OpenSSL or SSLeay licenses, Savoir-Faire Linux Inc.
* grants you additional permission to convey the resulting work.
* Corresponding Source for a non-source form of such a combination
* shall include the source code for the parts of OpenSSL used as well
* as that of the covered work.
*/
#include <iostream>
#include "echocanceltest.h"
#include "config/sfl_config.h"
EchoCancelTest::EchoCancelTest() : echoCanceller_() {}
void EchoCancelTest::testEchoCancelProcessing()
{
using std::ifstream;
using std::ofstream;
SFLDataFormat micData[1000];
SFLDataFormat spkrData[1000];
SFLDataFormat echoCancelData[1000];
// near end input with echo
ifstream micFile("sample_no_echo_8kHz_16bit.raw", ifstream::in);
// far end input to train filter
ifstream spkrFile("sample_ecno_500ms_8kHz_16bit.raw", ifstream::in);
// echo cancelled output
ofstream echoCancelFile("sample_echocancel_500ms_8kHz_16bit.raw", ofstream::out);
micFile.seekg(0, std::ios::end);
size_t inputFileLength = micFile.tellg() / sizeof(SFLDataFormat);
micFile.seekg(0, std::ios::beg);
const int nbSamples = 160;
for (int remainingLength = inputFileLength; remainingLength >= nbSamples; remainingLength -= nbSamples) {
micFile.read(reinterpret_cast<char *>(micData), nbSamples * sizeof(SFLDataFormat));
spkrFile.read(reinterpret_cast<char *>(spkrData), nbSamples * sizeof(SFLDataFormat));
echoCanceller_.putData(spkrData, nbSamples);
echoCanceller_.process(micData, echoCancelData, nbSamples);
echoCancelFile.write(reinterpret_cast<char *>(echoCancelData), nbSamples * sizeof(SFLDataFormat));
}
CPPUNIT_ASSERT(true);
}
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