hxaudses.cpp

linux下的一款播放器

/* ***** BEGIN LICENSE BLOCK *****
 * Source last modified: $Id: hxaudses.cpp,v 1.39.2.6 2004/10/25 21:32:40 gwright 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"
#include "safestring.h"
#include "hlxclib/stdio.h"
#include "hlxclib/string.h"
#include "hlxclib/stdlib.h"


#ifndef WIN32_PLATFORM_PSPC
#include "hlxclib/signal.h"
#else
#include <winbase.h>
#include <dbgapi.h>
#endif

//#define _TESTING    1
#ifdef _TESTING
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>

#if defined (_WINDOWS) || defined (_WIN32)

#include <io.h>

#endif

#endif

//#include "racodec.h"
#include "hxresult.h"

#include "hxcom.h"

#include "hxshtdn.h"
#include "hxengin.h"
#include "hxausvc.h"
#include "hxrasyn.h"
#include "hxprefs.h"
#include "ihxpckts.h"
#include "chxpckts.h"

#include "auderrs.h"
#include "hxslist.h"
#include "hxtick.h"

#ifdef _SYMBIAN
#include "audsymbian.h"
#else
#include "hxaudev.h"
#endif

#include "hxaudply.h"
#include "hxaudstr.h"
#include "hxaudvol.h"

#include "timeval.h"

#include "hxaudses.h"
#include "hxaudtyp.h"

#include "hxmixer.h"
#include "hxthread.h"
#if defined (HELIX_FEATURE_RESAMPLER) && !defined (HELIX_CONFIG_FIXEDPOINT)
#include "hxrsmp2.h"
#endif /* HELIX_FEATURE_RESAMPLER && !HELIX_CONFIG_FIXEDPOINT */

#include "hxprefs.h"
#include "hxprefutil.h"

class CHXAudioPlayer;

#include "hxheap.h"
#ifdef _DEBUG
#undef HX_THIS_FILE
static const char HX_THIS_FILE[] = __FILE__;
#endif

#if defined(HELIX_CONFIG_MIN_PCM_PUSHDOWN_BYTES)
// The following value was arrived at via trial and error and has been
// demonstrated to give optimal heap usage values for RA8, ATRAC3, & MP3.
#define IDEAL_MINIMAL_INITIAL_PUSHDOWN  500 //ms
#else
#define IDEAL_MINIMAL_INITIAL_PUSHDOWN  1000 // ms
#endif
#define MIN_BLOCKS_TOBEQUEUED   (m_ulMinimumPushdown*1.0/m_ulGranularity)
#define SOME_INSANELY_LARGE_VALUE       3600000 /* 1 hour */

#ifdef _WIN32
#define HXMSG_QUIT              (WM_USER + 200) /* Exit from the thread */
#define HXMSG_RESUME            (WM_USER + 201) /* Resume audio thread */
#define HXMSG_STOP              (WM_USER + 202) /* Stop audio thread */
#else
#define HXMSG_QUIT              200             /* Exit from the thread */
#define HXMSG_RESUME            201             /* Change timer value */
#define HXMSG_STOP              202             /* Stop audio thread */
#endif /*_WIN32*/

#ifdef _MACINTOSH
BOOL    CHXAudioSession::zm_Locked=FALSE;
#endif /* _MACINTOSH */

#ifdef _UNIX
IHXPreferences* z_pIHXPrefs =  NULL;
#endif


//XXXgfw can whatever this SH4 is be moved down into the audio device
//code for this chipset? This is how we don't allow certain sample
//rates in other devices; by returning HXR_FAIL from _imp_checkformat.
#if !defined(SH4)
const unsigned short z_anValidSampleRates[] = { 8000,
                                                11025,
                                                16000,
                                                22050,
                                                32000,
                                                44100
                                                };
#else
const unsigned short z_anValidSampleRates[] = { 11025,
                                                22050,
                                                44100
                                                };
#endif

struct tableEntry
{
    UINT16 usSampleRate;
    UINT8  usChannels;
    UINT8  usBits;

    inline void set(UINT16 sr,
                    UINT8  chan,
                    UINT8  bits
                    )
        {
            usSampleRate = sr;
            usChannels   = chan;
            usBits       = bits;
        }
};




/*
 *  HXAudioSession methods
 */
/************************************************************************
 *  Method:
 *              CHXAudioSession::CHXAudioSession()
 *      Purpose:
 *              Constructor. Create player list.
 */
CHXAudioSession::CHXAudioSession()
    : m_pContext(NULL)
    , m_lRefCount(0)
    , m_pScheduler (0)
    , m_pPreferences(0)
    , m_pInterruptState(0)
    , m_pPlayerBuf (NULL)
    , m_pSessionBuf (NULL)
    , m_ulGranularity(0)
    , m_dGranularity((double) 0.)
    , m_ulMinimumPushdown(MINIMUM_INITIAL_PUSHDOWN)
    , m_ulIdealMinimumPushdown(IDEAL_MINIMAL_INITIAL_PUSHDOWN)
    , m_ulMinBlocksTobeQueued(1)
    , m_ulMinBlocksTobeQueuedAtStart(1)
    , m_ulBytesPerGran(0)
    , m_ulBlocksWritten(0)
    , m_ulCallbackID(0)
    , m_bFakeAudioTimeline(FALSE)
    , m_bShouldOpenOnCoreThread(FALSE)
    , m_bToBeReOpened(FALSE)
    , m_pDeviceCallback(NULL)
    , m_bHasStreams(FALSE)
    , m_ulIncreasingTimer (0)
    , m_ulCurrentTime (0)
    , m_ulLastAudioTime(0)
    , m_ulLastAudioReturnTime(0)
    , m_ulLastSystemTime(0)
    , m_bAtLeastOneTimeReceived(FALSE)
    , m_ulStartTime(0)
    , m_bTimeSyncReceived(FALSE)
    , m_bPaused(TRUE)
    , m_bStoppedDuringPause(FALSE)
    , m_ulLastFakeCallbackTime(0)
    , m_pFakeAudioCBTime(0)
    , m_pInDataPtr(0)
    , m_pOutDataPtr(0)
    , m_pPlayerResponse(0)
    , m_bFirstPlayAudio(TRUE)
    , m_uVolume(HX_INIT_VOLUME)
    , m_bMute(FALSE)
    , m_bAudioDeviceSupportsVolume(TRUE)
    , m_dBufEndTime((double) 0.)
    , m_bDisableWrite(FALSE)
    , m_bInPlayAudio(FALSE)
    , m_bInActualResume(FALSE)
    , m_dNumBytesWritten((double)0)
    , m_dNumBytesPlayed((double)0)
    , m_bInited(FALSE)
    , m_pAudioDev(0)
    , m_pCurrentAudioDev(NULL)
    , m_pReplacedAudioDev(NULL)
    , m_bReplacedDev(FALSE)
    , m_pPlayerList(0)
    , m_pHookList(NULL)
    , m_pAuxiliaryAudioBuffers(0)
    , m_pMutex(NULL)
    , m_pFinalHook(NULL)
    , m_bUseFinalHook(FALSE)
    , m_pCoreMutex(NULL)
    , m_uAskFromAudioDevice(0)
    , m_bDeferActualResume(FALSE)
    , m_pLastPausedPlayer(NULL)
    , m_bUsingReplacedDevice(FALSE)
    , m_bToBeRewound(FALSE)
    , m_ulLastRewindTimestamp(0)
    , m_uNumToBePushed(0)
    , m_bSessionBufferDirty(FALSE)
    , m_bPostMixHooksUpdated(FALSE)
    , m_pMPPSupport(NULL)
#if defined(HELIX_FEATURE_TIMELINE_WATCHER)
    , m_pTimeLineWatchers(NULL)
#endif    
{
    m_pFakeAudioCBTime                  = new Timeval;
    m_pInDataPtr                        = new HXAudioData;
    m_pOutDataPtr                       = new HXAudioData;
    m_pInDataPtr->pData                 = 0;
    m_pInDataPtr->ulAudioTime           = 0;
    m_pInDataPtr->uAudioStreamType      = STREAMING_AUDIO;
    m_pOutDataPtr->ulAudioTime          = 0;
    m_pOutDataPtr->pData                = 0;
    m_pOutDataPtr->uAudioStreamType     = STREAMING_AUDIO;

    /* Default value of Device format */
    m_DeviceFmt.uChannels       = 2;
    m_DeviceFmt.uBitsPerSample  = 16;
    m_DeviceFmt.ulSamplesPerSec = 16000;
    m_DeviceFmt.uMaxBlockSize   = 64000;
#ifdef HELIX_FEATURE_VOLUME
    m_pDeviceVolume = NULL;
#endif

#ifdef THREADS_SUPPORTED
    HXMutex::MakeMutex(m_pMutex);
#else
    HXMutex::MakeStubMutex(m_pMutex);
#endif
};


/************************************************************************
 *  Method:
 *              CHXAudioSession::~CHXAudioSession()
 *      Purpose:
 *              Destructor. Clean up and set free.
 */
CHXAudioSession::~CHXAudioSession()
{
    Close();
}

void
CHXAudioSession::Close(void)
{
    // Delete all player items
    if ( m_pPlayerList )
    {
        CHXAudioPlayer* p = 0;
        CHXSimpleList::Iterator lIter = m_pPlayerList->Begin();
        for (; lIter != m_pPlayerList->End(); ++lIter)
        {
            p = (CHXAudioPlayer*) (*lIter);
            if ( p )
                p->Release();
        }
        delete m_pPlayerList;
        m_pPlayerList = 0;
    }

    while (m_pHookList && m_pHookList->GetCount() > 0)
    {
        HXAudioHookInfo* pHookInfo = (HXAudioHookInfo*) m_pHookList->RemoveHead();
        pHookInfo->pHook->Release();
        delete pHookInfo;
    }

    HX_DELETE(m_pHookList);

    if (m_pAuxiliaryAudioBuffers)
    {
        while (m_pAuxiliaryAudioBuffers->GetCount() > 0)
        {
            HXAudioData* pAudioData =
                (HXAudioData*) m_pAuxiliaryAudioBuffers->RemoveHead();
            pAudioData->pData->Release();
            delete pAudioData;
        }

        delete m_pAuxiliaryAudioBuffers;
        m_pAuxiliaryAudioBuffers    = 0;
    }

    ResetSession();

    if( m_ulCallbackID && m_pScheduler)
    {
        m_pScheduler->Remove(m_ulCallbackID);
        m_ulCallbackID = 0;
    }

#ifdef HELIX_FEATURE_VOLUME
    if( m_pDeviceVolume )
    {
        m_pDeviceVolume->RemoveAdviseSink(this);
        HX_RELEASE(m_pDeviceVolume);
    }
#endif


    if (m_pDeviceCallback && m_pDeviceCallback->PendingID())
    {
        m_pScheduler->Remove(m_pDeviceCallback->PendingID());
    }
    HX_RELEASE(m_pDeviceCallback);

    HX_RELEASE(m_pScheduler);
    HX_RELEASE(m_pInterruptState);

#if defined(HELIX_FEATURE_PREFERENCES)
    if (m_pPreferences)
    {
        /* Store the last volume setting */
        IHXBuffer* pBuffer = new CHXBuffer;
        pBuffer->AddRef();
        pBuffer->SetSize(16);
        SafeSprintf((char*) pBuffer->GetBuffer(),16,"%d",(int) m_uVolume); /* Flawfinder: ignore */
        m_pPreferences->WritePref("Volume", pBuffer);
        pBuffer->Release();

#if defined(HELIX_FEATURE_MUTE_PREFERENCE)
        /* Store the last mute setting */
        IHXBuffer* pMuteBuffer = new CHXBuffer;
        pMuteBuffer->AddRef();
        pMuteBuffer->SetSize(16);
        SafeSprintf((char*) pMuteBuffer->GetBuffer(),16,"%d",(int) m_bMute);
        m_pPreferences->WritePref("Mute", pMuteBuffer);
        pMuteBuffer->Release();
#endif /* HELIX_FEATURE_MUTE_PREFERENCE */

        HX_RELEASE(m_pPreferences);
#ifdef _UNIX
        z_pIHXPrefs = NULL;
#endif
    }
#endif /* HELIX_FEATURE_PREFERENCES */


#if defined(HELIX_FEATURE_TIMELINE_WATCHER)
    //IHXTimelineManager
    while( m_pTimeLineWatchers && m_pTimeLineWatchers->GetCount() )
    {
        IHXTimelineWatcher* pWatcher = (IHXTimelineWatcher*)m_pTimeLineWatchers->RemoveHead();
        HX_RELEASE(pWatcher);
    }