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/*
* OpalWavFile.h
*
* WAV file class with auto-PCM conversion
*
* OpenH323 Library
*
* Copyright (c) 2002 Equivalence Pty. Ltd.
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is Open H323 Library.
*
* Contributor(s): ______________________________________.
*
* $Log: opalwavfile.h,v $
* Revision 2.5.2.1 2006/02/13 11:49:28 csoutheren
* Backported H.235 and initialisation fixes from CVS head
*
* Revision 2.6 2006/02/13 03:46:16 csoutheren
* Added initialisation stuff to make sure that everything works OK
*
* Revision 2.5 2005/11/30 13:35:26 csoutheren
* Changed tags for Doxygen
*
* Revision 2.4 2004/07/15 12:19:22 rjongbloed
* Various enhancements to the VXML code
*
* Revision 2.3 2002/11/10 11:33:16 robertj
* Updated to OpenH323 v1.10.3
*
* Revision 2.2 2002/09/16 02:52:33 robertj
* Added #define so can select if #pragma interface/implementation is used on
* platform basis (eg MacOS) rather than compiler, thanks Robert Monaghan.
*
* Revision 2.1 2002/09/06 07:18:44 robertj
* OPAL port.
*
* Revision 1.6 2004/07/15 11:13:49 rjongbloed
* Migrated changes from crs_vxnml_devel branch into main trunk
*
* Revision 1.5.6.1 2004/07/07 07:10:11 csoutheren
* Changed to use new factory based PWAVFile
* Removed redundant blocking/unblocking when using G.723.1
*
* Revision 1.5 2002/09/16 01:14:15 robertj
* Added #define so can select if #pragma interface/implementation is used on
* platform basis (eg MacOS) rather than compiler, thanks Robert Monaghan.
*
* Revision 1.4 2002/09/06 06:20:37 robertj
* More cosmetic changes
*
* Revision 1.3 2002/08/08 13:00:02 craigs
* Remove unused definition of LastReadCount thanks to Peter 'Luna' Runestig
*
* Revision 1.2 2002/08/05 10:03:47 robertj
* Cosmetic changes to normalise the usage of pragma interface/implementation.
*
* Revision 1.1 2002/06/20 01:21:03 craigs
* Initial version
*
*/
#ifndef __OPALWAVFILE_H
#define __OPALWAVFILE_H
#ifdef P_USE_PRAGMA
#pragma interface
#endif
#include <ptclib/pwavfile.h>
namespace PWLibStupidLinkerHacks {
extern int opalwavfileLoader;
};
/**This class is similar to the PWavFile class found in the PWlib
components library. However, it will tranparently convert all data
to/from PCM format, allowing applications to be unconcerned with
the underlying data format. Note that this will only work with
sample-based formats that can be converted to/from PCM data, such as
uLaw and aLaw
*/
class OpalWAVFile : public PWAVFile
{
PCLASSINFO(OpalWAVFile, PWAVFile);
public:
OpalWAVFile(
unsigned format = fmt_PCM ///< Type of WAV File to create
);
/**Create a unique temporary file name, and open the file in the specified
mode and using the specified options. Note that opening a new, unique,
temporary file name in ReadOnly mode will always fail. This would only
be usefull in a mode and options that will create the file.
If a WAV file is being created, the type parameter can be used
to create a PCM Wave file or a G.723.1 Wave file by using
#WaveType enum#
The #PChannel::IsOpen()# function may be used after object
construction to determine if the file was successfully opened.
*/
OpalWAVFile(
OpenMode mode, ///< Mode in which to open the file.
int opts = ModeDefault, ///< #OpenOptions enum# for open operation.
unsigned format = fmt_PCM ///< Type of WAV File to create
);
/**Create a WAV file object with the specified name and open it in
the specified mode and with the specified options.
If a WAV file is being created, the type parameter can be used
to create a PCM Wave file or a G.723.1 Wave file by using
#WaveType enum#
The #PChannel::IsOpen()# function may be used after object
construction to determine if the file was successfully opened.
*/
OpalWAVFile(
const PFilePath & name, ///< Name of file to open.
OpenMode mode = ReadWrite, ///< Mode in which to open the file.
int opts = ModeDefault, ///< #OpenOptions enum# for open operation.
unsigned format = fmt_PCM ///< Type of WAV File to create
);
};
#endif // __OPALWAVFILE_H
// End of File ///////////////////////////////////////////////////////////////
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