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ORiffPlay.cpp
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1996-08-12
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5KB
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182 lines
// OCL - OS/2 Class Library
// (c) Cubus 1995
// All Rights Reserved
// ORiffPlay.cpp
/*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Neither the name Cubus nor the name Team OCL may be used to
* endorse or promote products derived from this software
* without specific prior written permission.
* 3. See OCL.INF for a detailed copyright notice.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
// $Header: W:/Projects/OCL/Source/rcs/ORiffPlay.cpp 1.50 1996/08/11 23:49:30 B.STEIN Release $
#define __OCL_SOURCE__
#define OINCL_OSTRING
#define OINCL_BASE
#include <ocl.hpp>
#include <ORiffPlay.hpp>
mci_play_file ORiffPlay::mci_pf = NULL;
mci_play_resource ORiffPlay::mci_pr = NULL;
mci_get_error ORiffPlay::mci_err = NULL;
pODynamicLib ORiffPlay::mciapi = NULL;
pODynamicLib ORiffPlay::mdmapi = NULL;
ORiffPlay::ORiffPlay()
: waveID (0),
waveType (0)
{
if (!OApp::currentOApp)
throw OPMException(OCL::error(250), OException::unrecoverable);
resolve();
}
ORiffPlay::ORiffPlay(PSZ soundLibrary)
: waveID (0),
waveType (0),
waveLibrary (soundLibrary)
{
if (!OApp::currentOApp)
throw OPMException(OCL::error(250), OException::unrecoverable);
resolve();
}
ORiffPlay::ORiffPlay(ODynamicLib& soundLibrary)
: waveID (0),
waveType (0),
waveLibrary (soundLibrary.getLibHandle())
{
if (!OApp::currentOApp)
throw OPMException(OCL::error(250), OException::unrecoverable);
resolve();
}
ORiffPlay::~ORiffPlay()
{
stop();
}
PSZ ORiffPlay::isOfType() const
{
return("ORiffPlay");
}
void ORiffPlay::play(PSZ waveFileName,
ORiffPlay::PlayType playType)
{
waveFile << waveFileName;
playWave(playType);
}
void ORiffPlay::play(ULONG soundID,
ORiffPlay::RiffType resType,
ORiffPlay::PlayType playType)
{
waveID = soundID;
waveType = resType;
playWave(playType);
}
void ORiffPlay::playWave(ORiffPlay::PlayType playType)
{
APIRET rc = 0;
stop();
if (!waveFile)
rc = ORiffPlay::mci_pr(NULLHANDLE,
waveLibrary.getLibHandle(),
waveType,
waveID,
playType,
NULL,
NULLHANDLE);
else
rc = ORiffPlay::mci_pf(NULLHANDLE,
waveFile,
playType,
0, 0);
if (rc != 0)
{
OString Buffer(CCHMAXPATH);
ORiffPlay::mci_err(rc, Buffer, CCHMAXPATH);
throw OPMException(OMessage(252, OCL::MSGFILE, Buffer), rc, OException::recoverable);
}
}
void ORiffPlay::stop()
{
ORiffPlay::mci_pf(NULLHANDLE,
NULL,
ORiffPlay::stopActive, 0, 0);
}
// This member loads MCIAPI.DLL and MDM.DLL
// and resolves the entry points for the desired functions.
// This is because the OCL should not be linked against
// MMPM2.LIB.
void ORiffPlay::resolve()
{
if (ORiffPlay::mciapi && ORiffPlay::mdmapi) // initialize only once!
return;
try
{
ORiffPlay::mciapi = new ODynamicLib("MCIAPI");
ORiffPlay::mdmapi = new ODynamicLib("MDM");
ORiffPlay::mci_pf = (mci_play_file)
ORiffPlay::mciapi->queryFn("mciPlayFile");
ORiffPlay::mci_pr = (mci_play_resource)
ORiffPlay::mciapi->queryFn("mciPlayResource");
ORiffPlay::mci_err = (mci_get_error)
ORiffPlay::mdmapi->queryFn("mciGetErrorString");
}
catch(OVioException &ex)
{
throw OPMException(OCL::error(251), OException::unrecoverable);
}
}
// end of source