audio_svr.h
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: audio_svr.h,v 1.1.4.2 2004/07/09 02:01:36 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file,
- * are subject to the current version of the RealNetworks Public
- * Source License (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (the "RCSL") available at
- * http://www.helixcommunity.org/content/rcsl, in which case the RCSL
- * will apply. You may also obtain the license terms directly from
- * RealNetworks. You may not use this file except in compliance with
- * the RPSL or, if you have a valid RCSL with RealNetworks applicable
- * to this file, the RCSL. Please see the applicable RPSL or RCSL for
- * the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the
- * portions it created.
- *
- * This file, and the files included with this file, is distributed
- * and made available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY
- * KIND, EITHER EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS
- * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES
- * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET
- * ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
-
- /*
- * Description:
- *
- * This file contains three class definitions; HXSymbianAudioServer,
- * HXSymbianAudioSession, and HXSymbianAudioClient. Their purpose is
- * to allow us to hide the Symbian CMdaAudioOutputStream interface.
- *
- */
- #ifndef _AUDIO_SVR_H
- #define _AUDIO_SVR_H
- #include <stdio.h>
- #include <e32base.h>
- #include <bacntf.h>
- #include "hxcom.h"
- #include "hxausvc.h"
- /*
- * class HXSymbianAudioServer
- *
- * This class specializes the Symbian OS CServer class in order to
- * implement a server to respond to requests from one or more clients.
- */
- class HXSymbianAudioServer : public CServer {
- public:
- HXSymbianAudioServer();
- virtual ~HXSymbianAudioServer();
- enum Commands {
- EAS_Init,
- EAS_Write,
- EAS_CancelWrite,
- EAS_Play,
- EAS_Pause,
- EAS_GetTime,
- EAS_GetBlocksBuffered,
- EAS_SetVolume,
- EAS_GetVolume,
- EAS_GetMaxVolume,
- EAS_GetMinVolume,
- EAS_Stop,
- EAS_RequestDeviceTakenNotification,
- EAS_CancelDeviceTakenNotification
- };
- virtual CSharableSession* NewSessionL(const TVersion& aVersion) const;
- void AddSession();
- void DelSession();
- TInt RunError(TInt aError);
- void NotifyDeviceTaken();
- static HBufC* AllocServerName();
- private:
- int m_sessionCount; // session count
- };
- /*
- * class HXSymbianAudioClient
- *
- */
- class HXSymbianAudioClient : public RSessionBase {
- public:
- HXSymbianAudioClient();
- // initialize audio device
- TInt Init(int channels, int sampleRate);
- TInt Write(const IHXBuffer* pAudioBuf);
- void Write(const IHXBuffer* pAudioBuf, TRequestStatus& aStatus);
- void CancelWrite();
- // get the current time played out in ms
- TUint GetTime();
- // get the number of blocks buffered in device
- TUint GetBlocksBuffered();
- // enable playback
- TInt Play();
- // pause playback
- void Pause();
- // stop playback
- void Stop();
- // returns true if not playing
- bool Stopped();
- // get the current volume
- TInt GetVolume() const;
- // get the max volume
- TInt GetMaxVolume() const;
- // get the min volume
- TInt GetMinVolume() const;
- // set the current volume
- void SetVolume(TInt volume);
-
- void RequestDeviceTakenNotification(TRequestStatus& status);
- void CancelDeviceTakenNotification();
- // start a session with the server
- TInt Connect();
- private:
- bool m_stopped;
- };
- #endif // _AUDIO_SVR_H