symbian-qemu-0.9.1-12/libsdl-trunk/src/cdrom/macosx/AudioFilePlayer.h
author johnathan.white@2718R8BGH51.accenture.com
Mon, 08 Mar 2010 18:45:03 +0000
changeset 46 b6935a90ca64
parent 1 2fb8b9db1c86
permissions -rw-r--r--
Modify framebuffer and NGA framebuffer to read screen size from board model dtb file. Optimise memory usuage of frame buffer Add example minigui application with hooks to profiler (which writes results to S:\). Modified NGA framebuffer to run its own dfc queue at high priority
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2004 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Library General Public
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    License as published by the Free Software Foundation; either
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    version 2 of the License, or (at your option) any later version.
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    This library 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 GNU
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    Library General Public License for more details.
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    You should have received a copy of the GNU Library General Public
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    License along with this library; if not, write to the Free
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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    Sam Lantinga
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    slouken@libsdl.org
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    This file based on Apple sample code. We haven't changed the file name, 
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    so if you want to see the original search for it on apple.com/developer
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*/
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#include "SDL_config.h"
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/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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    AudioFilePlayer.h
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*/
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#ifndef __AudioFilePlayer_H__
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#define __AudioFilePlayer_H__
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#include <CoreServices/CoreServices.h>
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#include <AudioUnit/AudioUnit.h>
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#ifdef AVAILABLE_MAC_OS_X_VERSION_10_5_AND_LATER
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#include <AudioUnit/AUNTComponent.h>
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#endif
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#include "SDL_error.h"
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const char* AudioFilePlayerErrorStr (OSStatus error);
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/*
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void ThrowResult (OSStatus result, const char *str);
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#define THROW_RESULT(str)                                       \
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    if (result) {                                               \
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        ThrowResult (result, str);                              \
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    }
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*/
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typedef void (*AudioFilePlayNotifier)(void          *inRefCon,
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                                    OSStatus        inStatus);
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enum {
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    kAudioFilePlayErr_FilePlayUnderrun = -10000,
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    kAudioFilePlay_FileIsFinished = -10001,
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    kAudioFilePlay_PlayerIsUninitialized = -10002
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};
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struct S_AudioFileManager;
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#pragma mark __________ AudioFilePlayer
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typedef struct S_AudioFilePlayer
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{
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/*public:*/
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    int             (*SetDestination)(struct S_AudioFilePlayer *afp, AudioUnit *inDestUnit);
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    void            (*SetNotifier)(struct S_AudioFilePlayer *afp, AudioFilePlayNotifier inNotifier, void *inRefCon);
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    void            (*SetStartFrame)(struct S_AudioFilePlayer *afp, int frame); /* seek in the file */
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    int             (*GetCurrentFrame)(struct S_AudioFilePlayer *afp); /* get the current frame position */
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    void            (*SetStopFrame)(struct S_AudioFilePlayer *afp, int frame);   /* set limit in the file */
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    int             (*Connect)(struct S_AudioFilePlayer *afp);
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    void            (*Disconnect)(struct S_AudioFilePlayer *afp);
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    void            (*DoNotification)(struct S_AudioFilePlayer *afp, OSStatus inError);
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    int             (*IsConnected)(struct S_AudioFilePlayer *afp);
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    AudioUnit       (*GetDestUnit)(struct S_AudioFilePlayer *afp);
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    void            (*Print)(struct S_AudioFilePlayer *afp);
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/*private:*/
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    AudioUnit                       mPlayUnit;
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    SInt16                          mForkRefNum;
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    AudioUnitInputCallback          mInputCallback;
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    AudioStreamBasicDescription     mFileDescription;
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    int                             mConnected;
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    struct S_AudioFileManager*      mAudioFileManager;
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    AudioFilePlayNotifier           mNotifier;
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    void*                           mRefCon;
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    int                             mStartFrame;
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#pragma mark __________ Private_Methods
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    int          (*OpenFile)(struct S_AudioFilePlayer *afp, const FSRef *inRef, SInt64 *outFileSize);
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} AudioFilePlayer;
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AudioFilePlayer *new_AudioFilePlayer(const FSRef    *inFileRef);
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void delete_AudioFilePlayer(AudioFilePlayer *afp);
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#pragma mark __________ AudioFileManager
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typedef struct S_AudioFileManager
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{
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/*public:*/
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        /* this method should NOT be called by an object of this class
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           as it is called by the parent's Disconnect() method */
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    void                (*Disconnect)(struct S_AudioFileManager *afm);
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    int                 (*DoConnect)(struct S_AudioFileManager *afm);
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    OSStatus            (*Read)(struct S_AudioFileManager *afm, char *buffer, UInt32 *len);
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    const char*         (*GetFileBuffer)(struct S_AudioFileManager *afm);
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martin.trojer@nokia.com
parents:
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   119
    const AudioFilePlayer *(*GetParent)(struct S_AudioFileManager *afm);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   120
    void                (*SetPosition)(struct S_AudioFileManager *afm, SInt64 pos);  /* seek/rewind in the file */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   121
    int                 (*GetByteCounter)(struct S_AudioFileManager *afm);  /* return actual bytes streamed to audio hardware */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   122
    void                (*SetEndOfFile)(struct S_AudioFileManager *afm, SInt64 pos);  /* set the "EOF" (will behave just like it reached eof) */
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   123
   
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
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   124
/*protected:*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
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   125
    AudioFilePlayer*    mParent;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   126
    SInt16              mForkRefNum;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   127
    SInt64              mAudioDataOffset;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   128
    
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   129
    char*               mFileBuffer;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   130
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   131
    int                 mByteCounter;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   132
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   133
    int                mReadFromFirstBuffer;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   134
    int                mLockUnsuccessful;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   135
    int                mIsEngaged;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   136
    
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   137
    int                 mNumTimesAskedSinceFinished;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   138
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   139
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
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   140
	void*               mTmpBuffer;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   141
	UInt32              mBufferSize;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   142
	UInt32              mBufferOffset;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   143
/*public:*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   144
    UInt32              mChunkSize;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   145
    SInt64              mFileLength;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   146
    SInt64              mReadFilePosition;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   147
    int                 mWriteToFirstBuffer;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   148
    int                 mFinishedReadingData;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   149
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   150
/*protected:*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   151
    OSStatus            (*Render)(struct S_AudioFileManager *afm, AudioBuffer *ioData);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   152
    OSStatus            (*GetFileData)(struct S_AudioFileManager *afm, void** inOutData, UInt32 *inOutDataSize);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   153
    void                (*AfterRender)(struct S_AudioFileManager *afm);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   154
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   155
/*public:*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   156
    /*static*/
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   157
    OSStatus            (*FileInputProc)(void                             *inRefCon,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   158
                                         AudioUnitRenderActionFlags      inActionFlags,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   159
                                         const AudioTimeStamp            *inTimeStamp,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   160
                                         UInt32                          inBusNumber,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   161
                                         AudioBuffer                     *ioData);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   162
} AudioFileManager;
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   163
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   164
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   165
AudioFileManager *new_AudioFileManager (AudioFilePlayer *inParent,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   166
                      SInt16          inForkRefNum, 
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   167
                      SInt64          inFileLength,
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   168
                      UInt32          inChunkSize);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   169
    
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   170
void delete_AudioFileManager(AudioFileManager *afm);
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   171
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   172
#endif
2fb8b9db1c86 Initial QEMU (symbian-qemu-0.9.1-12) import
martin.trojer@nokia.com
parents:
diff changeset
   173