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/*
Copyright (C) 2001 Paul Davis
Copyright (C) 2004-2008 Grame
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 2 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.
*/
#if defined(HAVE_CONFIG_H)
#include "config.h"
#endif
#ifdef WIN32
#pragma warning (disable : 4786)
#endif
#include "JackLoopbackDriver.h"
#include "JackEngineControl.h"
#include "JackGraphManager.h"
#include "JackError.h"
#include <iostream>
#include <assert.h>
namespace Jack
{
int JackLoopbackDriver::Process()
{
assert(fCaptureChannels == fPlaybackChannels);
// Loopback copy
for (int i = 0; i < fCaptureChannels; i++) {
memcpy(GetInputBuffer(i), GetOutputBuffer(i), sizeof(float) * fEngineControl->fBufferSize);
}
fGraphManager->ResumeRefNum(fClientControl, fSynchroTable); // Signal all clients
if (fEngineControl->fSyncMode) {
if (fGraphManager->SuspendRefNum(fClientControl, fSynchroTable, fEngineControl->fTimeOutUsecs) < 0) {
jack_error("JackLoopbackDriver::ProcessSync SuspendRefNum error");
return -1;
}
}
return 0;
}
} // end of namespace
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