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C++ IDirectSoundBuffer_Restore函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中IDirectSoundBuffer_Restore函数的典型用法代码示例。如果您正苦于以下问题：C++ IDirectSoundBuffer_Restore函数的具体用法？C++ IDirectSoundBuffer_Restore怎么用？C++ IDirectSoundBuffer_Restore使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了IDirectSoundBuffer_Restore函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: DSReloadSoundBuffer

BOOL DSReloadSoundBuffer(IDirectSoundBuffer *pDSB, LPCTSTR lpName)
{
    BOOL result=FALSE;
    BYTE *pbWaveData;
    DWORD cbWaveSize;
    void *pvBase;

    if (DSGetWaveResource(NULL, lpName, NULL, &pbWaveData, &cbWaveSize))
    {
        if (SUCCEEDED(IDirectSoundBuffer_Restore(pDSB)) &&
            DSFillSoundBuffer(pDSB, pbWaveData, cbWaveSize))
    {
        result = TRUE;
        }
    } else if( DSGetWaveFile(NULL, lpName, NULL, &pbWaveData, &cbWaveSize, &pvBase))
    {
        if (SUCCEEDED(IDirectSoundBuffer_Restore(pDSB)) &&
            DSFillSoundBuffer(pDSB, pbWaveData, cbWaveSize))
    {
        result = TRUE;
        }
        UnmapViewOfFile (pvBase);
    }

    return result;
}
开发者ID:fenglinnet，项目名称:ddongddongbae，代码行数:26，代码来源:Dsutil.cpp


示例2: DSOUND_GetDeviceBuf

static Uint8 *
DSOUND_GetDeviceBuf(_THIS)
{
    DWORD cursor = 0;
    DWORD junk = 0;
    HRESULT result = DS_OK;
    DWORD rawlen = 0;

    /* Figure out which blocks to fill next */
    this->hidden->locked_buf = NULL;
    result = IDirectSoundBuffer_GetCurrentPosition(this->hidden->mixbuf,
                                                   &junk, &cursor);
    if (result == DSERR_BUFFERLOST) {
        IDirectSoundBuffer_Restore(this->hidden->mixbuf);
        result = IDirectSoundBuffer_GetCurrentPosition(this->hidden->mixbuf,
                                                       &junk, &cursor);
    }
    if (result != DS_OK) {
        SetDSerror("DirectSound GetCurrentPosition", result);
        return (NULL);
    }
    cursor /= this->hidden->mixlen;
#ifdef DEBUG_SOUND
    /* Detect audio dropouts */
    {
        DWORD spot = cursor;
        if (spot < this->hidden->lastchunk) {
            spot += this->hidden->num_buffers;
        }
        if (spot > this->hidden->lastchunk + 1) {
            fprintf(stderr, "Audio dropout, missed %d fragments\n",
                    (spot - (this->hidden->lastchunk + 1)));
        }
    }
#endif
    this->hidden->lastchunk = cursor;
    cursor = (cursor + 1) % this->hidden->num_buffers;
    cursor *= this->hidden->mixlen;

    /* Lock the audio buffer */
    result = IDirectSoundBuffer_Lock(this->hidden->mixbuf, cursor,
                                     this->hidden->mixlen,
                                     (LPVOID *) & this->hidden->locked_buf,
                                     &rawlen, NULL, &junk, 0);
    if (result == DSERR_BUFFERLOST) {
        IDirectSoundBuffer_Restore(this->hidden->mixbuf);
        result = IDirectSoundBuffer_Lock(this->hidden->mixbuf, cursor,
                                         this->hidden->mixlen,
                                         (LPVOID *) & this->
                                         hidden->locked_buf, &rawlen, NULL,
                                         &junk, 0);
    }
    if (result != DS_OK) {
        SetDSerror("DirectSound Lock", result);
        return (NULL);
    }
    return (this->hidden->locked_buf);
}
开发者ID:BoonsNaibot，项目名称:kivy-ios，代码行数:58，代码来源:SDL_directsound.c


示例3: DSOUND_WaitDevice

static void
DSOUND_WaitDevice(_THIS)
{
    DWORD status = 0;
    DWORD cursor = 0;
    DWORD junk = 0;
    HRESULT result = DS_OK;

    /* Semi-busy wait, since we have no way of getting play notification
       on a primary mixing buffer located in hardware (DirectX 5.0)
     */
    result = IDirectSoundBuffer_GetCurrentPosition(this->hidden->mixbuf,
                                                   &junk, &cursor);
    if (result != DS_OK) {
        if (result == DSERR_BUFFERLOST) {
            IDirectSoundBuffer_Restore(this->hidden->mixbuf);
        }
#ifdef DEBUG_SOUND
        SetDSerror("DirectSound GetCurrentPosition", result);
#endif
        return;
    }

    while ((cursor / this->hidden->mixlen) == this->hidden->lastchunk) {
        /* FIXME: find out how much time is left and sleep that long */
        SDL_Delay(1);

        /* Try to restore a lost sound buffer */
        IDirectSoundBuffer_GetStatus(this->hidden->mixbuf, &status);
        if ((status & DSBSTATUS_BUFFERLOST)) {
            IDirectSoundBuffer_Restore(this->hidden->mixbuf);
            IDirectSoundBuffer_GetStatus(this->hidden->mixbuf, &status);
            if ((status & DSBSTATUS_BUFFERLOST)) {
                break;
            }
        }
        if (!(status & DSBSTATUS_PLAYING)) {
            result = IDirectSoundBuffer_Play(this->hidden->mixbuf, 0, 0,
                                             DSBPLAY_LOOPING);
            if (result == DS_OK) {
                continue;
            }
#ifdef DEBUG_SOUND
            SetDSerror("DirectSound Play", result);
#endif
            return;
        }

        /* Find out where we are playing */
        result = IDirectSoundBuffer_GetCurrentPosition(this->hidden->mixbuf,
                                                       &junk, &cursor);
        if (result != DS_OK) {
            SetDSerror("DirectSound GetCurrentPosition", result);
            return;
        }
    }
}
开发者ID:BoonsNaibot，项目名称:kivy-ios，代码行数:57，代码来源:SDL_directsound.c


示例4: DX5_WaitAudio_BusyWait

static void DX5_WaitAudio_BusyWait(_THIS)
{
	DWORD status;
	DWORD cursor, junk;
	HRESULT result;

	/* Semi-busy wait, since we have no way of getting play notification
	   on a primary mixing buffer located in hardware (DirectX 5.0)
	*/
	result = IDirectSoundBuffer_GetCurrentPosition(mixbuf, &cursor, &junk);
	if ( result != DS_OK ) {
		if ( result == DSERR_BUFFERLOST ) {
			IDirectSoundBuffer_Restore(mixbuf);
		}
#ifdef DEBUG_SOUND
		SetDSerror("DirectSound GetCurrentPosition", result);
#endif
		return;
	}
	cursor /= mixlen;

	while ( cursor == playing ) {
		/* FIXME: find out how much time is left and sleep that long */
		SDL_Delay(10);

		/* Try to restore a lost sound buffer */
		IDirectSoundBuffer_GetStatus(mixbuf, &status);
		if ( (status&DSBSTATUS_BUFFERLOST) ) {
			IDirectSoundBuffer_Restore(mixbuf);
			IDirectSoundBuffer_GetStatus(mixbuf, &status);
			if ( (status&DSBSTATUS_BUFFERLOST) ) {
				break;
			}
		}
		if ( ! (status&DSBSTATUS_PLAYING) ) {
			result = IDirectSoundBuffer_Play(mixbuf, 0, 0, DSBPLAY_LOOPING);
			if ( result == DS_OK ) {
				continue;
			}
#ifdef DEBUG_SOUND
			SetDSerror("DirectSound Play", result);
#endif
			return;
		}

		/* Find out where we are playing */
		result = IDirectSoundBuffer_GetCurrentPosition(mixbuf,
								&cursor, &junk);
		if ( result != DS_OK ) {
			SetDSerror("DirectSound GetCurrentPosition", result);
			return;
		}
		cursor /= mixlen;
	}
}
开发者ID:bohwaz，项目名称:ozex，代码行数:55，代码来源:SDL_dx5audio.c


示例5: IDirectSoundBuffer_GetCurrentPosition

static Uint8 *DX5_GetAudioBuf(_THIS)
{
	DWORD   cursor, junk;
	HRESULT result;
	DWORD   rawlen;

	/* Figure out which blocks to fill next */
	locked_buf = NULL;
	result = IDirectSoundBuffer_GetCurrentPosition(mixbuf, &junk, &cursor);
	if ( result == DSERR_BUFFERLOST ) {
		IDirectSoundBuffer_Restore(mixbuf);
		result = IDirectSoundBuffer_GetCurrentPosition(mixbuf,
								&junk, &cursor);
	}
	if ( result != DS_OK ) {
		SetDSerror("DirectSound GetCurrentPosition", result);
		return(NULL);
	}
	cursor /= mixlen;
#ifdef DEBUG_SOUND
	/* Detect audio dropouts */
	{ DWORD spot = cursor;
	  if ( spot < lastchunk ) {
	    spot += NUM_BUFFERS;
	  }
	  if ( spot > lastchunk+1 ) {
	    fprintf(stderr, "Audio dropout, missed %d fragments\n",
	            (spot - (lastchunk+1)));
	  }
	}
#endif
	lastchunk = cursor;
	cursor = (cursor+1)%NUM_BUFFERS;
	cursor *= mixlen;

	/* Lock the audio buffer */
	result = IDirectSoundBuffer_Lock(mixbuf, cursor, mixlen,
				(LPVOID *)&locked_buf, &rawlen, NULL, &junk, 0);
	if ( result == DSERR_BUFFERLOST ) {
		IDirectSoundBuffer_Restore(mixbuf);
		result = IDirectSoundBuffer_Lock(mixbuf, cursor, mixlen,
				(LPVOID *)&locked_buf, &rawlen, NULL, &junk, 0);
	}
	if ( result != DS_OK ) {
		SetDSerror("DirectSound Lock", result);
		return(NULL);
	}
	return(locked_buf);
}
开发者ID:3bu1，项目名称:crossbridge，代码行数:49，代码来源:SDL_dx5audio.c


示例6: Play

static HRESULT Play( vlc_object_t *obj, aout_stream_sys_t *sys,
                     block_t *p_buffer )
{
    HRESULT dsresult;
    dsresult = FillBuffer( obj, sys, p_buffer );
    if( dsresult != DS_OK )
        return dsresult;

    /* start playing the buffer */
    dsresult = IDirectSoundBuffer_Play( sys->p_dsbuffer, 0, 0,
                                        DSBPLAY_LOOPING );
    if( dsresult == DSERR_BUFFERLOST )
    {
        IDirectSoundBuffer_Restore( sys->p_dsbuffer );
        dsresult = IDirectSoundBuffer_Play( sys->p_dsbuffer,
                                            0, 0, DSBPLAY_LOOPING );
    }
    if( dsresult != DS_OK )
        msg_Err( obj, "cannot start playing buffer: (hr=0x%0lx)", dsresult );
    else
    {
        vlc_mutex_lock( &sys->lock );
        sys->b_playing = true;
        vlc_cond_signal(&sys->cond);
        vlc_mutex_unlock( &sys->lock );

    }
    return dsresult;
}
开发者ID:videolan，项目名称:vlc，代码行数:29，代码来源:directsound.c


示例7: RestoreBuffers

/*
 * バッファをリストアする
 */
static BOOL RestoreBuffers(int nBuffer)
{
	DWORD dwStatus;
	HRESULT hRet;

	assert(pDSBuffer[nBuffer] != NULL);
	assert(nBuffer >= 0 && nBuffer < MIXER_STREAMS);

	hRet = IDirectSoundBuffer_GetStatus(pDSBuffer[nBuffer], &dwStatus);
	if(hRet != DS_OK)
		return FALSE;
	if(dwStatus & DSBSTATUS_BUFFERLOST)
    {
		/*
		 * アプリケーションがアクティブになったばかりなので
		 * DirectSoundのコントロールを取得できない可能性がある。
		 * よって、コントロールを取得できるまでスリープする。
		 */
		while(1) {
			Sleep(10);
            hRet = IDirectSoundBuffer_Restore(pDSBuffer[nBuffer]);
            if(hRet != DSERR_BUFFERLOST)
				break;
		}
    }
    return TRUE;
}
开发者ID:ktabata，项目名称:suika2，代码行数:30，代码来源:dsound.c


示例8: DX6_WaitAudio_EventWait

static void DX6_WaitAudio_EventWait(_THIS)
{
	DWORD status;
	HRESULT result;

	/* Try to restore a lost sound buffer */
	IDirectSoundBuffer_GetStatus(mixbuf, &status);
	if ( (status&DSBSTATUS_BUFFERLOST) ) {
		IDirectSoundBuffer_Restore(mixbuf);
		IDirectSoundBuffer_GetStatus(mixbuf, &status);
		if ( (status&DSBSTATUS_BUFFERLOST) ) {
			return;
		}
	}
	if ( ! (status&DSBSTATUS_PLAYING) ) {
		result = IDirectSoundBuffer_Play(mixbuf, 0, 0, DSBPLAY_LOOPING);
		if ( result != DS_OK ) {
#ifdef DEBUG_SOUND
			SetDSerror("DirectSound Play", result);
#endif
			return;
		}
	}
	WaitForSingleObject(audio_event, INFINITE);
}
开发者ID:bohwaz，项目名称:ozex，代码行数:25，代码来源:SDL_dx5audio.c


示例9: dx_clear

static void dx_clear(void)
{
LPVOID  lpvPtr1;
DWORD   dwBytes1;
LPVOID  lpvPtr2;
DWORD   dwBytes2;
HRESULT result;

    result = IDirectSoundBuffer_Lock(buffer, 0, buffer_size,
                                     &lpvPtr1, &dwBytes1, &lpvPtr2,
                                     &dwBytes2, 0);
    if (result == DSERR_BUFFERLOST) {
        IDirectSoundBuffer_Restore(buffer);
    } else {
        if (is16bit) {
            memset(lpvPtr1, 0, dwBytes1);
            if (lpvPtr2) memset(lpvPtr2, 0, dwBytes2);
        } else {
            memset(lpvPtr1, 0x80, dwBytes1);
            if (lpvPtr2) memset(lpvPtr2, 0x80, dwBytes2);
        }
        result = IDirectSoundBuffer_Unlock(buffer, lpvPtr1, dwBytes1,
                                           lpvPtr2, dwBytes2);
    }
}
开发者ID:twinaphex，项目名称:vice-next，代码行数:25，代码来源:sounddx.c


示例10: DS_Update

static void DS_Update(void)
{
	LPVOID block;
	DWORD bBytes;

	/* Do first update in DS_Update() to be consistent with other
	   non threaded drivers. */
	if (do_update && pSoundBuffer) {
		do_update = 0;

		if (IDirectSoundBuffer_Lock(pSoundBuffer, 0, fragsize, &block, &bBytes, NULL, NULL, 0)
											== DSERR_BUFFERLOST) {
			IDirectSoundBuffer_Restore (pSoundBuffer);
			IDirectSoundBuffer_Lock (pSoundBuffer, 0, fragsize, &block, &bBytes, NULL, NULL, 0);
		}

		if (Player_Paused_internal()) {
			VC_SilenceBytes ((SBYTE *)block, (ULONG)bBytes);
		} else {
			VC_WriteBytes ((SBYTE *)block, (ULONG)bBytes);
		}

		IDirectSoundBuffer_Unlock (pSoundBuffer, block, bBytes, NULL, 0);

		IDirectSoundBuffer_SetCurrentPosition(pSoundBuffer, 0);
		IDirectSoundBuffer_Play(pSoundBuffer, 0, 0, DSBPLAY_LOOPING);

		threadInUse=1;
		ResumeThread (updateBufferHandle);
	}
}
开发者ID:OS2World，项目名称:LIB-SDL-2014，代码行数:31，代码来源:drv_ds.c


示例11: AppWriteDataToBuffer

static BOOL AppWriteDataToBuffer(LPDIRECTSOUNDBUFFER lpDsb,  // The buffer.
				 DWORD dwOffset,	      // Our own write cursor.
				 LPBYTE lpbSoundData,	      // Start of our data.
				 DWORD dwSoundBytes)	      // Size of block to copy.
{ 
    LPVOID  lpvPtr1; 
    DWORD dwBytes1; 
    LPVOID  lpvPtr2; 
    DWORD dwBytes2; 
    HRESULT hr; 
    
    // Obtain memory address of write block. This will be in two parts
    // if the block wraps around.
    
    hr = IDirectSoundBuffer_Lock( lpDsb, dwOffset, dwSoundBytes, &lpvPtr1, 
				  &dwBytes1, &lpvPtr2, &dwBytes2, 0); 
    
    // If the buffer was lost, restore and retry lock. 
    if (DSERR_BUFFERLOST == hr) { 
	IDirectSoundBuffer_Restore(lpDsb); 
	hr = IDirectSoundBuffer_Lock( lpDsb, dwOffset, dwSoundBytes, 
				      &lpvPtr1, &dwBytes1, &lpvPtr2, &dwBytes2, 0); 
    } 
    if SUCCEEDED(hr) { 
	pj_memcpy(lpvPtr1, lpbSoundData, dwBytes1); 
	if (NULL != lpvPtr2) 
	    pj_memcpy(lpvPtr2, lpbSoundData+dwBytes1, dwBytes2); 
	
	hr = IDirectSoundBuffer_Unlock(lpDsb, lpvPtr1, dwBytes1, lpvPtr2, dwBytes2); 
	if SUCCEEDED(hr)
	    return TRUE; 
    } 
    
    return FALSE; 
}
开发者ID:deveck，项目名称:Deveck.TAM，代码行数:35，代码来源:dsound.c


示例12: I2_IsSourcePlaying

int I2_IsSourcePlaying(sndsource_t *buf)
{
    DWORD status;
    IDirectSoundBuffer_GetStatus(buf->source, &status);
    // Restore the buffer if it's lost, but that shouldn't really matter since
    // it'll be released when it stops playing.
    if(status & DSBSTATUS_BUFFERLOST) IDirectSoundBuffer_Restore(buf->source);
    return (status & DSBSTATUS_PLAYING) != 0;
}
开发者ID:cmbruns，项目名称:Doomsday-Engine，代码行数:9，代码来源:i_ds_eax.c


示例13: DSSoundFeedVoiceData

void DSSoundFeedVoiceData(unsigned char* pSound,long lBytes)
{
	LPVOID lpvPtr1, lpvPtr2;
	unsigned long dwBytes1,dwBytes2;
	unsigned long *lpSS, *lpSD;
	unsigned long dw,cplay,cwrite;
	HRESULT hr;
	unsigned long status;

	IDirectSoundBuffer_GetStatus(lpDSBSECONDARY1,&status);
	if (status & DSBSTATUS_BUFFERLOST)
	{
		if (IDirectSoundBuffer_Restore(lpDSBSECONDARY1) != DS_OK) return;
		IDirectSoundBuffer_Play(lpDSBSECONDARY1,0,0,DSBPLAY_LOOPING);
	}

	IDirectSoundBuffer_GetCurrentPosition(lpDSBSECONDARY1,&cplay,&cwrite);

	if(LastWrite == 0xffffffff) LastWrite=cwrite;

	hr = IDirectSoundBuffer_Lock(lpDSBSECONDARY1,LastWrite,lBytes,
        &lpvPtr1, &dwBytes1, &lpvPtr2, &dwBytes2, 0);

	if (hr != DS_OK)
	{
		LastWrite=0xffffffff;
		return;
	}

	lpSS = (unsigned long *)pSound;
	lpSD = (unsigned long *)lpvPtr1;
	dw = dwBytes1 >> 2;

	while(dw)
	{
		*lpSD++=*lpSS++;
		dw--;
	}

	if (lpvPtr2)
	{
		lpSD = (unsigned long *)lpvPtr2;
		dw = dwBytes2 >> 2;

		while(dw)
		{
			*lpSD++ = *lpSS++;
			dw--;
		}
	}

	IDirectSoundBuffer_Unlock(lpDSBSECONDARY1,lpvPtr1,dwBytes1,lpvPtr2,dwBytes2);
	LastWrite += lBytes;
	if(LastWrite >= SOUNDSIZE) LastWrite -= SOUNDSIZE;
	LastPlay = cplay;
}
开发者ID:madnessw，项目名称:thesnow，代码行数:56，代码来源:dsound51.cpp


示例14: write_buffer

/**
\brief fill sound buffer
\param data pointer to the sound data to copy
\param len length of the data to copy in bytes
\return number of copyed bytes
*/
static int write_buffer(struct ao *ao, unsigned char *data, int len)
{
    struct priv *p = ao->priv;
    HRESULT res;
    LPVOID lpvPtr1;
    DWORD dwBytes1;
    LPVOID lpvPtr2;
    DWORD dwBytes2;

    p->underrun_check = 0;

    // Lock the buffer
    res = IDirectSoundBuffer_Lock(p->hdsbuf, p->write_offset, len, &lpvPtr1,
                                  &dwBytes1, &lpvPtr2, &dwBytes2, 0);
    // If the buffer was lost, restore and retry lock.
    if (DSERR_BUFFERLOST == res) {
        IDirectSoundBuffer_Restore(p->hdsbuf);
        res = IDirectSoundBuffer_Lock(p->hdsbuf, p->write_offset, len, &lpvPtr1,
                                      &dwBytes1, &lpvPtr2, &dwBytes2, 0);
    }


    if (SUCCEEDED(res)) {
        if (!AF_FORMAT_IS_AC3(ao->format)) {
            memcpy(lpvPtr1, data, dwBytes1);
            if (lpvPtr2 != NULL)
                memcpy(lpvPtr2, (char *)data + dwBytes1, dwBytes2);

            p->write_offset += dwBytes1 + dwBytes2;
            if (p->write_offset >= p->buffer_size)
                p->write_offset = dwBytes2;
        } else {
            // Write to pointers without reordering.
            memcpy(lpvPtr1, data, dwBytes1);
            if (NULL != lpvPtr2)
                memcpy(lpvPtr2, data + dwBytes1, dwBytes2);
            p->write_offset += dwBytes1 + dwBytes2;
            if (p->write_offset >= p->buffer_size)
                p->write_offset = dwBytes2;
        }

        // Release the data back to DirectSound.
        res = IDirectSoundBuffer_Unlock(p->hdsbuf, lpvPtr1, dwBytes1, lpvPtr2,
                                        dwBytes2);
        if (SUCCEEDED(res)) {
            // Success.
            DWORD status;
            IDirectSoundBuffer_GetStatus(p->hdsbuf, &status);
            if (!(status & DSBSTATUS_PLAYING))
                res = IDirectSoundBuffer_Play(p->hdsbuf, 0, 0, DSBPLAY_LOOPING);
            return dwBytes1 + dwBytes2;
        }
    }
    // Lock, Unlock, or Restore failed.
    return 0;
}
开发者ID:CrimsonVoid，项目名称:mpv，代码行数:62，代码来源:ao_dsound.c


示例15: dsound_restore_out

static int dsound_restore_out (LPDIRECTSOUNDBUFFER dsb, dsound *s)
{
    HRESULT hr;

    hr = IDirectSoundBuffer_Restore (dsb);

    if (hr != DS_OK) {
        dsound_logerr (hr, "Could not restore playback buffer\n");
        return -1;
    }
    return 0;
}
开发者ID:01org，项目名称:qemu-lite，代码行数:12，代码来源:dsoundaudio.c


示例16: SndSys_LockRenderBuffer

/*
====================
SndSys_LockRenderBuffer

Get the exclusive lock on "snd_renderbuffer"
====================
*/
qboolean SndSys_LockRenderBuffer (void)
{
#ifdef SUPPORTDIRECTX
	int reps;
	HRESULT hresult;
	DWORD	dwStatus;

	if (pDSBuf)
	{
		// if the buffer was lost or stopped, restore it and/or restart it
		if (IDirectSoundBuffer_GetStatus (pDSBuf, &dwStatus) != DS_OK)
			Con_Print("Couldn't get sound buffer status\n");

		if (dwStatus & DSBSTATUS_BUFFERLOST)
		{
			Con_Print("DSound buffer is lost!!\n");
			IDirectSoundBuffer_Restore (pDSBuf);
		}

		if (!(dwStatus & DSBSTATUS_PLAYING))
			IDirectSoundBuffer_Play(pDSBuf, 0, 0, DSBPLAY_LOOPING);

		reps = 0;

		while ((hresult = IDirectSoundBuffer_Lock(pDSBuf, 0, gSndBufSize, (LPVOID*)&dsound_pbuf, &dsound_dwSize, (LPVOID*)&dsound_pbuf2, &dsound_dwSize2, 0)) != DS_OK)
		{
			if (hresult != DSERR_BUFFERLOST)
			{
				Con_Print("S_LockBuffer: DS: Lock Sound Buffer Failed\n");
				S_Shutdown ();
				S_Startup ();
				return false;
			}

			if (++reps > 10000)
			{
				Con_Print("S_LockBuffer: DS: couldn't restore buffer\n");
				S_Shutdown ();
				S_Startup ();
				return false;
			}
		}

		if ((void*)dsound_pbuf != snd_renderbuffer->ring)
			Sys_Error("SndSys_LockRenderBuffer: the ring address has changed!!!\n");
		return true;
	}
#endif

	return wav_init;
}
开发者ID:kasymovga，项目名称:DarkPlacesRM，代码行数:58，代码来源:snd_win.c


示例17: IDirectSoundBuffer_GetStatus

IDirectSoundBuffer *SndObjGetFreeBuffer(SNDOBJ *pSO)
{
    IDirectSoundBuffer *pDSB;

    if (pSO == NULL)
        return NULL;

    if (pDSB = pSO->Buffers[pSO->iCurrent])
    {
        HRESULT hres;
        DWORD dwStatus;

        hres = IDirectSoundBuffer_GetStatus(pDSB, &dwStatus);

        if (FAILED(hres))
            dwStatus = 0;

        if ((dwStatus & DSBSTATUS_PLAYING) == DSBSTATUS_PLAYING)
        {
            if (pSO->iAlloc > 1)
            {
                if (++pSO->iCurrent >= pSO->iAlloc)
                    pSO->iCurrent = 0;

                pDSB = pSO->Buffers[pSO->iCurrent];
                hres = IDirectSoundBuffer_GetStatus(pDSB, &dwStatus);

                if (SUCCEEDED(hres) && (dwStatus & DSBSTATUS_PLAYING) == DSBSTATUS_PLAYING)
                {
                    IDirectSoundBuffer_Stop(pDSB);
                    IDirectSoundBuffer_SetCurrentPosition(pDSB, 0);
                }
            }
            else
            {
                pDSB = NULL;
            }
        }

        if (pDSB && (dwStatus & DSBSTATUS_BUFFERLOST))
        {
            if (FAILED(IDirectSoundBuffer_Restore(pDSB)) ||
                !DSFillSoundBuffer(pDSB, pSO->pbWaveData, pSO->cbWaveSize))
            {
                pDSB = NULL;
            }
        }
    }

    return pDSB;
}
开发者ID:bowlofstew，项目名称:ja2，代码行数:51，代码来源:dsutil.c


示例18: IDirectSoundBuffer_GetCurrentPosition

static Uint8 *DX5_GetAudioBuf(_THIS)
{
	DWORD   cursor, junk;
	HRESULT result;
	DWORD   rawlen;

	/* Figure out which blocks to fill next */
	locked_buf = NULL;
	result = IDirectSoundBuffer_GetCurrentPosition(mixbuf, &cursor, &junk);
	if ( result == DSERR_BUFFERLOST ) {
		IDirectSoundBuffer_Restore(mixbuf);
		result = IDirectSoundBuffer_GetCurrentPosition(mixbuf,
								&cursor, &junk);
	}
	if ( result != DS_OK ) {
		SetDSerror("DirectSound GetCurrentPosition", result);
		return(NULL);
	}
	cursor /= mixlen;
	playing = cursor;
	cursor = (cursor+1)%NUM_BUFFERS;
	cursor *= mixlen;

	/* Lock the audio buffer */
	result = IDirectSoundBuffer_Lock(mixbuf, cursor, mixlen,
				(LPVOID *)&locked_buf, &rawlen, NULL, &junk, 0);
	if ( result == DSERR_BUFFERLOST ) {
		IDirectSoundBuffer_Restore(mixbuf);
		result = IDirectSoundBuffer_Lock(mixbuf, cursor, mixlen,
				(LPVOID *)&locked_buf, &rawlen, NULL, &junk, 0);
	}
	if ( result != DS_OK ) {
		SetDSerror("DirectSound Lock", result);
		return(NULL);
	}
	return(locked_buf);
}
开发者ID:bohwaz，项目名称:ozex，代码行数:37，代码来源:SDL_dx5audio.c


示例19: updateBufferProc

static DWORD WINAPI updateBufferProc(LPVOID lpParameter)
{
	LPVOID pBlock1 = NULL, pBlock2 = NULL;
	DWORD soundBufferCurrentPosition, blockBytes1, blockBytes2;
	DWORD start;

	while (threadInUse) {
		if (WaitForSingleObject(notifyUpdateHandle,INFINITE)==WAIT_OBJECT_0) {

			if (!threadInUse) break;

			IDirectSoundBuffer_GetCurrentPosition
						(pSoundBuffer,&soundBufferCurrentPosition,NULL);

			if (soundBufferCurrentPosition < fragsize)
				start = fragsize;
			else
				start = 0;

			if (IDirectSoundBuffer_Lock
						(pSoundBuffer,start,fragsize,&pBlock1,&blockBytes1,
						 &pBlock2,&blockBytes2,0)==DSERR_BUFFERLOST) {
				IDirectSoundBuffer_Restore(pSoundBuffer);
				IDirectSoundBuffer_Lock
						(pSoundBuffer,start,fragsize,&pBlock1,&blockBytes1,
						 &pBlock2,&blockBytes2,0);
			}

			MUTEX_LOCK(vars);
			if (Player_Paused_internal()) {
				VC_SilenceBytes((SBYTE*)pBlock1,(ULONG)blockBytes1);
				if (pBlock2)
					VC_SilenceBytes((SBYTE*)pBlock2,(ULONG)blockBytes2);
			} else {
				VC_WriteBytes((SBYTE*)pBlock1,(ULONG)blockBytes1);
				if (pBlock2)
					VC_WriteBytes((SBYTE*)pBlock2,(ULONG)blockBytes2);
			}
			MUTEX_UNLOCK(vars);

			IDirectSoundBuffer_Unlock
						(pSoundBuffer,pBlock1,blockBytes1,pBlock2,blockBytes2);
		}
	}
	return 0;
}
开发者ID:OS2World，项目名称:LIB-SDL-2014，代码行数:46，代码来源:drv_ds.c


示例20: CheckDStatus

void CheckDStatus(void)
{
  DWORD status;
  status=0;
  IDirectSoundBuffer_GetStatus(ppbufw, &status);

  if(status&DSBSTATUS_BUFFERLOST)
  {
   IDirectSoundBuffer_Restore(ppbufw);
  }

  if(!(status&DSBSTATUS_PLAYING))
  {
   ToWritePos=0;
   IDirectSoundBuffer_SetFormat(ppbufw,&wf);
   IDirectSoundBuffer_Play(ppbufw,0,0,DSBPLAY_LOOPING);
  }
}
开发者ID:ficoos，项目名称:fceu-next，代码行数:18，代码来源:sound.c



注：本文中的IDirectSoundBuffer_Restore函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ IDirectSoundBuffer_Stop函数代码示例发布时间：2022-05-30
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