hxaudev.cpp
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- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: hxaudev.cpp,v 1.19.2.1 2004/07/09 02:02:17 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 ***** */
- #include "hxtypes.h"
- #if defined( _WINDOWS ) || defined( _WIN32 )
- #include <windows.h>
- #include <mmsystem.h>
- #endif /*defined( _WINDOWS ) || defined( _WIN32 )*/
- #ifdef _UNIX
- #include <signal.h>
- #endif
- #include "hlxclib/stdio.h"
- #include "hlxclib/string.h"
- #include "hxresult.h"
- #include "cbqueue.h"
- #include "cpqueue.h"
- #include "hxslist.h"
- #include "hxcom.h"
- #include "hxausvc.h"
- #include "hxengin.h"
- #include "ihxpckts.h"
- #include "timeval.h"
- #include "hxaudev.h"
- #ifdef _UNIX
- #include "hxprefs.h"
- extern IHXPreferences* z_pIHXPrefs;
- #endif
- #if defined( _WINDOWS ) || defined( _WIN32 )
- #include "winaudio.h"
- #if defined (HELIX_FEATURE_DIRECT_SOUND)
- #include "hxaudevds.h"
- #endif
- #endif
- #if defined( _LINUX ) || defined ( _FREEBSD )
- #include "audlinux_oss.h"
- #if defined(HELIX_FEATURE_ESOUND)
- #include "audlinux_esound.h"
- #endif
- #if defined(HELIX_FEATURE_ALSA)
- #include "audlinux_alsa.h"
- #endif
- #endif
- #if defined( __QNXNTO__ )
- #include "audqnx.h"
- #endif
- #if defined( _IRIX )
- #include "audirix.h"
- #endif
- #if defined( _SUN ) && !defined( _SOLARIS )
- #include "audsunos.h"
- #endif
- #if defined( _AIX )
- #include "audaix.h"
- #endif
- #if defined( _SOLARIS )
- #include "audSolaris.h"
- #endif
- #if defined( _MACINTOSH ) || defined( _MAC_UNIX )
- #include "macaudio.h"
- #endif
- #if defined( _BEOS )
- #include "audbeos.h"
- #endif
- #if defined( _HPUX )
- #include "audhpux.h"
- #endif
- #if defined(_SYMBIAN)
- #include "audsymbian.h"
- #endif
- #if defined(_OPENWAVE)
- #include "audopwave.h"
- #endif
- #include "hxheap.h"
- #ifdef _DEBUG
- #undef HX_THIS_FILE
- static const char HX_THIS_FILE[] = __FILE__;
- #endif
- /************************************************************************
- * Method:
- * IHXAudioDevice::~CHXAudioDevice()
- * Purpose:
- * Destructor. Clean up and set free.
- */
- CHXAudioDevice::~CHXAudioDevice()
- {
- HX_RELEASE(m_pDeviceResponse);
- HX_RELEASE(m_pScheduler);
- HX_RELEASE(m_pContext);
- m_uMinVolume = 0;
- m_uMaxVolume = 0;
- m_uCurVolume = 0;
- m_uSampFrameSize = 0;
- m_ulCurrentTime = 0;
- m_ulLastSysTime = 0;
- m_ulGranularity = 0;
- m_pdevName = 0;
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // IUnknown::QueryInterface
- // Purpose:
- // Implement this to export the interfaces supported by your
- // object.
- //
- STDMETHODIMP CHXAudioDevice::QueryInterface(REFIID riid, void** ppvObj)
- {
- QInterfaceList qiList[] =
- {
- { GET_IIDHANDLE(IID_IHXAudioDevice), (IHXAudioDevice*)this },
- { GET_IIDHANDLE(IID_IUnknown), (IUnknown*)(IHXAudioDevice*)this },
- };
-
- return ::QIFind(qiList, QILISTSIZE(qiList), riid, ppvObj);
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // IUnknown::AddRef
- // Purpose:
- // Everyone usually implements this the same... feel free to use
- // this implementation.
- //
- STDMETHODIMP_(ULONG32) CHXAudioDevice::AddRef()
- {
- return InterlockedIncrement(&m_lRefCount);
- }
- /////////////////////////////////////////////////////////////////////////
- // Method:
- // IUnknown::Release
- // Purpose:
- // Everyone usually implements this the same... feel free to use
- // this implementation.
- //
- STDMETHODIMP_(ULONG32) CHXAudioDevice::Release()
- {
- if (InterlockedDecrement(&m_lRefCount) > 0)
- {
- return m_lRefCount;
- }
- delete this;
- return 0;
- }
- /*
- * IHXAudioDevice methods
- */
- /************************************************************************
- * Method:
- * IHXAudioDevice::Create
- * Purpose:
- * Create the audio device.
- */
- CHXAudioDevice* CHXAudioDevice::Create(IHXPreferences* pPrefs)
- {
- CHXAudioDevice* pAudioDevice = NULL;
- /*
- * The Mac compiler has trouble w/ overly complicated expressions to the
- * preprocessor (that's why the #if... #endif... #if... #endif blocks).
- */
- #if defined( _SUN ) && !defined( _SOLARIS )
- pAudioDevice = new CAudioOutSun;
- #endif
- #if defined( _AIX)
- pAudioDevice = new CAudioOutAIX;
- #endif
- #if defined( _SOLARIS )
- pAudioDevice = new CAudioOutSolaris();
- #endif
- #if defined( _LINUX ) || defined( _FREEBSD ) || defined ( _NETBSD)
- const int kOSS = 1;
- const int kESound = 2;
- const int kALSA = 3;
- int nSoundDriver = kOSS;
- int nSoundDriverRequested;
- IHXBuffer* pBuffer = NULL;
- HX_ASSERT( z_pIHXPrefs );
- if( z_pIHXPrefs )
- {
- z_pIHXPrefs->ReadPref("SoundDriver", pBuffer);
- if (pBuffer)
- {
- nSoundDriverRequested = atoi((const char*)pBuffer->GetBuffer());
- if(nSoundDriverRequested == kOSS)
- {
- nSoundDriver = kOSS;
- }
- else if(nSoundDriverRequested == kESound)
- {
- #ifdef HELIX_FEATURE_ESOUND
- nSoundDriver = kESound;
- #endif
- }
- else if(nSoundDriverRequested == kALSA)
- {
- #ifdef HELIX_FEATURE_ALSA
- nSoundDriver = kALSA;
- #endif
- }
- else
- {
- //Unknown sound driver -- maybe our config file was generated
- //by a future version of this driver. Use OSS as a fall-back.
- printf("Unknown sound driver in preferences. Falling back to OSS.n");
- nSoundDriver = kOSS;
- }
- HX_RELEASE(pBuffer);
- }
- }
- #if defined(HELIX_FEATURE_ESOUND)
- if( nSoundDriver == kESound )
- {
- pAudioDevice = new CAudioOutESound();
- }
- #endif
- #if defined(HELIX_FEATURE_ALSA)
- if( nSoundDriver == kALSA )
- {
- pAudioDevice = new CAudioOutLinuxAlsa();
- }
- #endif
- if( nSoundDriver == kOSS || !pAudioDevice )
- {
- pAudioDevice = new CAudioOutLinux();
- }
-
- #endif
- #if defined( __QNXNTO__ )
- pAudioDevice = new CAudioOutQNX;
- #endif
- #if defined( _IRIX )
- pAudioDevice = new CAudioOutIrix;
- #endif
- #if defined( _BEOS )
- pAudioDevice = new CAudioOutBeOS;
- #endif
- #if defined(_SYMBIAN)
- pAudioDevice = CAudioOutSymbian::NewL();
- #endif
- #if defined(_OPENWAVE)
- // currently, audio unsupported for arm
- #ifndef _OPENWAVE_ARMULATOR
- pAudioDevice = new CAudioOutOpenwave;
- #endif
- #endif
- #if defined( _WINDOWS )
-
- #if defined (HELIX_FEATURE_DIRECT_SOUND)
- BOOL bUseDS = FALSE;
- if(pPrefs)
- {
- IHXBuffer* pBuff = NULL;
- pPrefs->ReadPref("UseDirectSound", pBuff);
- if (pBuff)
- {
- bUseDS = (::atoi((const char*)pBuff->GetBuffer()) == 1);
- HX_RELEASE(pBuff);
- }
- }
- if(bUseDS)
- pAudioDevice = new CHXAudioDeviceDS;
- else
- pAudioDevice = new CAudioOutWindows;
- #else
- pAudioDevice = new CAudioOutWindows;
- #endif //HELIX_FEATURE_DIRECT_SOUND
- #endif
- #if defined( _MACINTOSH ) || defined( _MAC_UNIX )
- pAudioDevice = new CAudioOutMac;
- #endif
- #if defined _HPUX
- pAudioDevice = new CAudioOutHPUX;
- #endif
- return( pAudioDevice );
- }
- void
- CHXAudioDevice::Init(IUnknown* pContext)
- {
- HX_ASSERT(m_pContext == NULL && pContext != NULL);
- HX_RELEASE(m_pContext);
-
- m_pContext = pContext;
-
- if (m_pContext)
- {
- m_pContext->AddRef();
- _initAfterContext();
- }
- }
- void CHXAudioDevice::_initAfterContext()
- {}
- /************************************************************************
- * Method:
- * IHXAudioDevice::Open
- * Purpose:
- * Open the audio device using the given format.
- */
- STDMETHODIMP CHXAudioDevice::Open
- (
- const HXAudioFormat* pAudioFormat,
- IHXAudioDeviceResponse* pDeviceResponse
- )
- {
- HX_RESULT theErr = HXR_OK;
- m_pDeviceResponse = pDeviceResponse;
- if (m_pDeviceResponse)
- {
- m_pDeviceResponse->AddRef();
- }
- memcpy( &m_AudioFmt, pAudioFormat, sizeof(HXAudioFormat) ); /* Flawfinder: ignore */
- theErr = _Imp_Open( pAudioFormat );
-
- if (!theErr)
- {
- m_eState = E_DEV_OPENED;
- }
- return theErr;
- }
- /************************************************************************
- * Method:
- * IHXAudioDevice::Close
- * Purpose:
- * Close the audio device.
- */
- STDMETHODIMP CHXAudioDevice::Close
- (
- const BOOL bFlush
- )
- {
- HX_RESULT theErr = HXR_OK;
- if ( bFlush )
- {
- theErr = Reset();
- }
- else
- {
- theErr = Drain();
- }
- if ( !theErr )
- theErr = _Imp_Close();
-
- m_eState = E_DEV_CLOSED;
-
- return HXR_OK;
- }
- HX_RESULT CHXAudioDevice::Seek( UINT32 ulSeekTime)
- {
- _Imp_Seek(ulSeekTime);
- return HXR_OK;
- }
- /************************************************************************
- * Method:
- * IHXAudioDevice::Pause
- * Purpose:
- * Pause the audio device.
- */
- STDMETHODIMP CHXAudioDevice::Pause
- (
- )
- {
- HX_RESULT theErr = HXR_OK;
- m_bPaused = TRUE;
- theErr = _Imp_Pause();
- m_eState = E_DEV_PAUSED;
- return HXR_OK;
- }
- /************************************************************************
- * Method:
- * IHXAudioDevice::Resume
- * Purpose:
- * Resume the audio device.
- */
- STDMETHODIMP CHXAudioDevice::Resume
- (
- )
- {
- HX_RESULT theErr = HXR_OK;
- m_bPaused = FALSE;
- theErr = _Imp_Resume();
- m_eState = E_DEV_RESUMED;
- return HXR_OK;
- }
- /************************************************************************
- * Method:
- * IHXAudioDevice::Write
- * Purpose:
- * Write data to the audio device.
- */
- STDMETHODIMP CHXAudioDevice::Write
- (
- const HXAudioData* pAudioHdr
- )
- {
- HX_RESULT theErr = _Imp_Write( pAudioHdr );
- return theErr;
- }
- /************************************************************************
- * Method:
- * IHXAudioDevice::SetCallback
- * Purpose:
- */
- /*
- STDMETHODIMP CHXAudioDevice::SetCallback
- (
- )
- {
- return HXR_OK;
- }
- */
- /************************************************************************
- * Method:
- * IHXAudioDevice::SetBuffering
- * Purpose:
- * Let the Audio Device manage the audio buffers.
- */
- STDMETHODIMP CHXAudioDevice::SetBuffering
- (
- const BOOL bSetBuffering
- )
- {
- m_bBuffer = bSetBuffering;
- return HXR_OK;
- }
- /************************************************************************
- * Method:
- * IHXAudioDevice::InitVolume
- * Purpose:
- * Initialize the volume. Return TRUE if device supports volume.
- */
- STDMETHODIMP_(BOOL) CHXAudioDevice::InitVolume
- (
- const UINT16 uMinVolume,
- const UINT16 uMaxVolume
- )
- {
- m_uMinVolume = uMinVolume;
- m_uMaxVolume = uMaxVolume;
- return (_Imp_SupportsVolume());
- }
- /************************************************************************
- * Method:
- * IHXAudioDevice::SetVolume
- * Purpose:
- * Set the volume.
- */
- STDMETHODIMP CHXAudioDevice::SetVolume
- (
- const UINT16 uVolume
- )
- {
- m_uCurVolume = uVolume;
- return _Imp_SetVolume( uVolume );
- }
- /************************************************************************
- * Method:
- * IHXAudioDevice::GetVolume
- * Purpose:
- * Get the volume.
- */
- STDMETHODIMP_(UINT16) CHXAudioDevice::GetVolume()
- {
- return _Imp_GetVolume();
- }
- /************************************************************************
- * Method:
- * IHXAudioDevice::Reset
- * Purpose:
- * Reset audio. Stop playback and flush all buffers.
- */
- STDMETHODIMP CHXAudioDevice::Reset ()
- {
- return( _Imp_Reset() );
- }
- /************************************************************************
- * Method:
- * IHXAudioDevice::Drain
- * Purpose:
- * Drain remaining audio with playback.
- */
- STDMETHODIMP CHXAudioDevice::Drain()
- {
- return( _Imp_Drain() );
- }
- /************************************************************************
- * Method:
- * IHXAudioDevice::CheckFormat
- * Purpose:
- * Check to see if the audio device will accept this audio
- * format.
- */
- STDMETHODIMP CHXAudioDevice::CheckFormat( const HXAudioFormat* pFormat )
- {
- return( _Imp_CheckFormat( pFormat ) );
- }
- /************************************************************************
- * Method:
- * IHXAudioDevice::GetCurrentAudioTime
- * Purpose:
- * Get the current time from the audio device.
- * We added this to support the clock available in the
- * Window's audio driver.
- */
- STDMETHODIMP CHXAudioDevice::GetCurrentAudioTime
- (
- ULONG32& ulCurrentTime
- )
- {
- return _Imp_GetCurrentTime( ulCurrentTime );
- }
- /************************************************************************
- * Method:
- * CHXAudioDevice::GetAudioFd
- * Purpose:
- */
- STDMETHODIMP CHXAudioDevice::GetAudioFd()
- {
- return _Imp_GetAudioFd();
- }
- /************************************************************************
- * Method:
- * CHXAudioDevice::OnTimeSync
- * Purpose:
- * Get the audio time from the platform specific function
- * GetCurrentAudioTime() and pass this up to the audio
- * session.
- */
- HX_RESULT CHXAudioDevice::OnTimeSync()
- {
- HX_RESULT theErr = HXR_OK;
- // Ignore this if we're paused!
- if (!m_bPaused)
- {
- ULONG32 ulAudioTime = 0;
- theErr = _Imp_GetCurrentTime( ulAudioTime );
- if (m_pDeviceResponse)
- {
- theErr = m_pDeviceResponse->OnTimeSync(ulAudioTime);
- }
- }
- return theErr;
- }
- UINT16 CHXAudioDevice::NumberOfBlocksRemainingToPlay()
- {
- return _NumberOfBlocksRemainingToPlay();
- }
- BOOL CHXAudioDevice::IsWaveOutDevice()
- {
- return _IsWaveOutDevice();
- }
- BOOL CHXAudioDevice::_IsWaveOutDevice()
- {
- return TRUE;
- }
- /*************************************************************************
- * Test code..
- *
- */
- #ifdef _TESTING_STR
- #include <stdio.h>
- #ifndef _WINDOWS
- #include <unistd.h> // for getopt()
- #else
- #include <io.h> // for open()
- #define O_NONBLOCK 0
- #endif
- #include <stdlib.h> // for atoi()
- #include <sys/types.h> // for open()
- #include <sys/stat.h> // for open()
- #include <fcntl.h> // for open()
- #define INITGUID 1
- #include "hxcom.h"
- #include "hxausvc.h"
- #include "hxaudev.h"
- int opt_debug = 0xff;
- int process_id(void)
- {
- return 10;
- }
- #define BLOCK_SIZE 3176
- void main( int argc, char **argv )
- {
- CHXAudioDevice* mydev = 0;
- HX_RESULT theErr = HXR_OK;
- mydev = CHXAudioDevice::Create();
- printf("main: created: %xn", mydev);
- HXAudioFormat audioFmt;
- audioFmt.uChannels = 1;
- audioFmt.uBitsPerSample= 16;
- audioFmt.ulSamplesPerSec= 11025; //44100; // 22050; //11025;
- audioFmt.uMaxBlockSize = BLOCK_SIZE;
-
- printf("main: Format:n");
- printf("main: Channels: %dn", audioFmt.uChannels );
- printf("main: Bits Per Sample %dn", audioFmt.uBitsPerSample);
- printf("main: SamplesPerSec %dn", audioFmt.ulSamplesPerSec);
- printf("main: MaxBlockSize %dn", audioFmt.uMaxBlockSize);
- printf("main: Check Format: err: %dn", theErr);
- theErr = mydev->CheckFormat( &audioFmt );
- if ( !theErr )
- {
- IHXAudioDeviceResponse* playerResponse = 0;
- theErr = mydev->Open( &audioFmt, playerResponse );
- }
- if ( !theErr )
- {
- theErr = mydev->Pause();
- theErr = mydev->Resume();
- }
- HXAudioData audioHdr;
- if ( !theErr )
- {
- audioHdr.ulAudioTime = 66;
- // Initialize the volume to 0,100
- if ( mydev->InitVolume( HX_MIN_VOLUME, HX_MAX_VOLUME ) )
- printf("main: SupportsVolume is TRUEn");
- else
- printf("main: SupportsVolume is FALSEn");
- UINT16 curVol = 0;
- theErr = mydev->GetVolume( curVol );
- printf("main: GetVolume: %dn", curVol);
- UINT16 newVol = HX_INIT_VOLUME;
- theErr = mydev->SetVolume( newVol );
- printf("main: SetVolume: %dn", newVol);
- curVol = 0;
- theErr = mydev->GetVolume( curVol );
- printf("main: GetVolume: %dn", curVol);
- }
- // Write some PCM to the device...
- if ( !theErr )
- {
- int cnt = 0;
- unsigned char buf[BLOCK_SIZE]; /* Flawfinder: ignore */
- if ( argc > 1 )
- {
- int fd;
- *argv++;
- printf("main: Playing: %s n", *argv);
- fd = open( *argv,O_RDONLY | O_NONBLOCK ); /* Flawfinder: ignore */
- if ( fd > 0 )
- {
- int nbytes = 0;
- audioHdr.pData = (UCHAR*) new char [BLOCK_SIZE ];
- while( (nbytes = read( fd, buf, BLOCK_SIZE)) > 0 ) /* Flawfinder: ignore */
- {
- memcpy(audioHdr.pData,buf, nbytes); /* Flawfinder: ignore */
- // play silence memset(audioHdr.pData, 0, nbytes);
- audioHdr.ulBufLen = nbytes;
- theErr = mydev->Write( &audioHdr );
- cnt++;
- }
- }
- }
- printf("Played %d blocks of %d bytes = %dn", cnt, BLOCK_SIZE, cnt * BLOCK_SIZE);
- for (int i = 0; i<6; i++)
- {
- memset(buf,0,BLOCK_SIZE);
- memcpy(audioHdr.pData,buf, BLOCK_SIZE); /* Flawfinder: ignore */
- audioHdr.ulBufLen = BLOCK_SIZE;
- theErr = mydev->Write( &audioHdr );
- }
- }
- if ( !theErr )
- theErr = mydev->Close(TRUE);
- }
- #endif // _TESTING