67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
// ------------------------------------------------------------------------
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// audioio-device.cpp: Virtual base class for real-time devices.
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// Copyright (C) 1999-2001 Kai Vehmanen
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// ------------------------------------------------------------------------
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#include <kvu_dbc.h>
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#include <kvu_message_item.h>
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#include "audioio-device.h"
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AUDIO_IO_DEVICE::AUDIO_IO_DEVICE(void)
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: is_running_rep(false),
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is_prepared_rep(false),
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ignore_xruns_rep(true),
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max_buffers_rep(true)
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{
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}
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AUDIO_IO_DEVICE::~AUDIO_IO_DEVICE(void)
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{
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if (is_open() == true)
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close();
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DBC_CHECK(is_prepared() != true);
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DBC_CHECK(is_running() != true);
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}
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bool AUDIO_IO_DEVICE::is_realtime_object(const AUDIO_IO* aobj)
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{
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const AUDIO_IO_DEVICE* p = dynamic_cast<const AUDIO_IO_DEVICE*>(aobj);
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if (p != 0) return(true);
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return(false);
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}
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string AUDIO_IO_DEVICE::status(void) const
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{
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MESSAGE_ITEM mitem;
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mitem << "realtime-device; position ";
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mitem << position_in_samples() << ", delay ";
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mitem << delay() << ".\n -> ";
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if (is_open() == true)
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mitem << "open, ";
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else
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mitem << "closed, ";
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mitem << format_string() << "/" << channels() << "ch/" << samples_per_second();
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mitem << "Hz, buffer " << buffersize() << ".";
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return(mitem.to_string());
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}
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