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Posted on 2010-11-19 16:53 jacky_zz 阅读(935) 评论(0) 编辑 收藏 引用
1 #define MAX_LOADSTRING 100 2 #define WM_BASSPLAY (WM_USER + 100) 3 #define WM_BASSQUIT (WM_USER + 101) 4 5 HINSTANCE hInst; 6 HWND hMainWindow; 7 TCHAR szTitle[MAX_LOADSTRING]; 8 TCHAR szWindowClass[MAX_LOADSTRING]; 9 HSTREAM hStream = NULL; 10 HANDLE hFile = NULL; 11 #define BLOCK_SIZE 17640 12 13 In_Module* in_module; 14 Out_Module out_module; 15 16 HMODULE hInputModule = NULL; 17 18 ATOM MyRegisterClass(HINSTANCE hInstance); 19 BOOL InitInstance(HINSTANCE, int); 20 LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); 21 INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM); 22 BOOL Play(); 23 BOOL LoadWinampInputPlugin(); 24 BOOL UnloadWinampInputPlugin(); 25 BOOL LoadWinampOutputPlugin(); 26 BOOL UnloadWinampOutputPlugin(); 27 28 int APIENTRY _tWinMain(HINSTANCE hInstance, 29 HINSTANCE hPrevInstance, 30 LPTSTR lpCmdLine, 31 int nCmdShow) 32  { 33 UNREFERENCED_PARAMETER(hPrevInstance); 34 UNREFERENCED_PARAMETER(lpCmdLine); 35 36 MSG msg; 37 HACCEL hAccelTable; 38 39 LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING); 40 LoadString(hInstance, IDC_MINIBASSPLAYER, szWindowClass, MAX_LOADSTRING); 41 MyRegisterClass(hInstance); 42 43 if (!InitInstance (hInstance, nCmdShow)) 44 { 45 return FALSE; 46 } 47 48 if(!BASS_Init(1, 44100, 0, hMainWindow, NULL)) 49 { 50 MessageBox(hMainWindow, "Could not initialize Bass library.", "Error", MB_OK); 51 return 0; 52 } 53 54 BASS_SetConfig(BASS_CONFIG_GVOL_STREAM, 10000); 55 56 if(!LoadWinampOutputPlugin()) 57 { 58 BASS_Free(); 59 return FALSE; 60 } 61 62 if(!LoadWinampInputPlugin()) 63 { 64 UnloadWinampOutputPlugin(); 65 BASS_Free(); 66 return FALSE; 67 } 68 69 hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_MINIBASSPLAYER)); 70 71 while (GetMessage(&msg, NULL, 0, 0)) 72 { 73 if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg)) 74 { 75 TranslateMessage(&msg); 76 DispatchMessage(&msg); 77 } 78 } 79 80 UnloadWinampOutputPlugin(); 81 UnloadWinampInputPlugin(); 82 BASS_Free(); 83 return (int) msg.wParam; 84 } 85 86 ATOM MyRegisterClass(HINSTANCE hInstance) 87  { 88 WNDCLASSEX wcex; 89 90 wcex.cbSize = sizeof(WNDCLASSEX); 91 92 wcex.style = CS_HREDRAW | CS_VREDRAW; 93 wcex.lpfnWndProc = WndProc; 94 wcex.cbClsExtra = 0; 95 wcex.cbWndExtra = 0; 96 wcex.hInstance = hInstance; 97 wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_MINIBASSPLAYER)); 98 wcex.hCursor = LoadCursor(NULL, IDC_ARROW); 99 wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1); 100 wcex.lpszMenuName = MAKEINTRESOURCE(IDC_MINIBASSPLAYER); 101 wcex.lpszClassName = szWindowClass; 102 wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL)); 103 104 return RegisterClassEx(&wcex); 105 } 106 107 BOOL InitInstance(HINSTANCE hInstance, int nCmdShow) 108  { 109 HWND hWnd; 110 111 hInst = hInstance; 112 113 hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW, 114 CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL); 115 116 if (!hWnd) 117 { 118 return FALSE; 119 } 120 121 hMainWindow = hWnd; 122 ShowWindow(hWnd, nCmdShow); 123 UpdateWindow(hWnd); 124 125 return TRUE; 126 } 127 128 LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) 129  { 130 int wmId, wmEvent; 131 PAINTSTRUCT ps; 132 HDC hdc; 133 134 switch (message) 135 { 136 case WM_COMMAND: 137 wmId = LOWORD(wParam); 138 wmEvent = HIWORD(wParam); 139 140 switch (wmId) 141 { 142 case IDM_ABOUT: 143 DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About); 144 break; 145 case IDM_EXIT: 146 DestroyWindow(hWnd); 147 break; 148 case IDM_PLAY: 149 if(Play()) 150 { 151 if(hStream) 152 { 153 Sleep(1000); 154 BASS_ChannelPlay(hStream, FALSE); 155 } 156 157 if(in_module) 158 in_module->SetVolume(127); 159 } 160 break; 161 default: 162 return DefWindowProc(hWnd, message, wParam, lParam); 163 } 164 break; 165 case WM_PAINT: 166 hdc = BeginPaint(hWnd, &ps); 167 EndPaint(hWnd, &ps); 168 break; 169 case WM_DESTROY: 170 if(hFile != NULL && hFile != INVALID_HANDLE_VALUE) 171 { 172 CloseHandle(hFile); 173 hFile = NULL; 174 } 175 176 PostQuitMessage(0); 177 break; 178 case WM_BASSPLAY: 179 if(hStream) 180 BASS_ChannelPlay(hStream, FALSE); 181 break; 182 case WM_BASSQUIT: 183 if(hFile != NULL && hFile != INVALID_HANDLE_VALUE) 184 { 185 CloseHandle(hFile); 186 hFile = NULL; 187 } 188 189 BASS_ChannelStop(hStream); 190 BASS_StreamFree(hStream); 191 hStream = NULL; 192 break; 193 default: 194 return DefWindowProc(hWnd, message, wParam, lParam); 195 } 196 return 0; 197 } 198 199 INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam) 200  { 201 UNREFERENCED_PARAMETER(lParam); 202 switch (message) 203 { 204 case WM_INITDIALOG: 205 return (INT_PTR)TRUE; 206 207 case WM_COMMAND: 208 if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL) 209 { 210 EndDialog(hDlg, LOWORD(wParam)); 211 return (INT_PTR)TRUE; 212 } 213 break; 214 } 215 return (INT_PTR)FALSE; 216 } 217 218 static DWORD readChunk(HANDLE hFile, void* buf, size_t size) 219  { 220 DWORD readByes; 221 if(ReadFile(hFile, buf, size, &readByes, NULL) == FALSE) 222 return 0; 223 224 return readByes; 225 } 226 227 DWORD __stdcall StreamWriter(HSTREAM handle, void *buffer, DWORD length, void *user) 228  { 229 if(hFile == NULL || hFile == INVALID_HANDLE_VALUE) 230 return BASS_STREAMPROC_END; 231 232 int len = (length < BLOCK_SIZE) ? length : BLOCK_SIZE; 233 DWORD dwReadBytes = 0; 234 235 if(!ReadFile(hFile, buffer, len, &dwReadBytes, NULL)) 236 { 237 SendMessage(hMainWindow, WM_BASSQUIT, 0, 0); 238 return BASS_STREAMPROC_END; 239 } 240 241 return len; 242 } 243 244 BOOL Play() 245  { 246 //WAVEFORMATEX wfx; 247 //char riff[5], wave[5], fmt[5], data[5]; 248 //DWORD len, struct_len, data_len; 249 250 //if((hFile = CreateFile( 251 // "D:\\Music\\Love Story.wav", GENERIC_READ, FILE_SHARE_READ, NULL, 252 // OPEN_EXISTING, 0, NULL)) == INVALID_HANDLE_VALUE) { 253 // ExitProcess(1); 254 //} 255 256 //readChunk(hFile, (void*)riff, 4); 257 //riff[4] = '\0'; 258 //if(strncmp(riff, "RIFF", 4) == 0) 259 //{ 260 // readChunk(hFile, (void*)&len, 4); 261 // readChunk(hFile, (void*)wave, 4); 262 // readChunk(hFile, (void*)fmt, 4); 263 // readChunk(hFile, (void*)&struct_len, 4); 264 // readChunk(hFile, (void*)&wfx, struct_len); 265 // readChunk(hFile, (void*)data, 4); 266 // readChunk(hFile, (void*)&data_len, 4); 267 //} 268 //else 269 // ExitProcess(1); 270 271 //hStream = BASS_StreamCreate(wfx.nSamplesPerSec, wfx.nChannels, 0, StreamWriter, NULL); 272 //return (hStream != NULL) ? TRUE : FALSE; 273 274 if(in_module) 275 { 276 in_module->Play("D:\\Music\\Love Story.mp3"); 277 return TRUE; 278 } 279 else 280 return FALSE; 281 } 282 283 /**///////////////////////////////////////////////////////////////////////////284 // Input 285 void SAVSAInit( int maxlatency_in_ms, int srate ) 286  { 287 } 288 289 void SAVSADeInit() 290  { 291 } 292 293 void SAAddPCMData( void * PCMData, int nch, int bps, int timestamp ) 294  { 295 } 296 297 int SAGetMode() 298  { 299 return 0; 300 } 301 302 void SAAdd( void * data, int timestamp, int csa ) 303  { 304 } 305 306 void VSAAddPCMData( void * PCMData, int nch, int bps, int timestamp ) 307  { 308 } 309 310 int VSAGetMode( int * specNch, int * waveNch ) 311  { 312 return 0; 313 } 314 315 void VSAAdd( void * data, int timestamp ) 316  { 317 } 318 319 void VSASetInfo( int nch, int srate ) 320  { 321 } 322 323 void SetInfo( int bitrate, int srate, int stereo, int synched ) 324  { 325 } 326 327 int dsp_isactive() 328  { 329 return 0; 330 } 331 332 int dsp_dosamples( short int * samples, int numsamples, int bps, int nch, int srate ) 333  { 334 return numsamples; 335 } 336 337 BOOL LoadWinampInputPlugin() 338  { 339 #define INPUT_PLUGIN "in_mp3.dll" 340 hInputModule = LoadLibrary(INPUT_PLUGIN); 341 if(!hInputModule) 342 return FALSE; 343 344 typedef In_Module* (__stdcall *pfn_winampGetInModule2)(); 345 pfn_winampGetInModule2 winampGetInModule2 = (pfn_winampGetInModule2)GetProcAddress(hInputModule, "winampGetInModule2"); 346 if(!winampGetInModule2) 347 return FALSE; 348 349 in_module = winampGetInModule2(); 350 if(!in_module) 351 return FALSE; 352 353 in_module->hMainWindow = hMainWindow; 354 in_module->hDllInstance = hInputModule; 355 in_module->outMod = &out_module; 356 in_module->Init(); 357 358 in_module->SetInfo = SetInfo; 359 in_module->dsp_isactive = dsp_isactive; 360 in_module->dsp_dosamples = dsp_dosamples; 361 in_module->SAVSAInit = SAVSAInit; 362 in_module->SAVSADeInit = SAVSADeInit; 363 in_module->SAAddPCMData = SAAddPCMData; 364 in_module->SAGetMode = SAGetMode; 365 in_module->SAAdd = SAAdd; 366 in_module->VSASetInfo = VSASetInfo; 367 in_module->VSAAddPCMData = VSAAddPCMData; 368 in_module->VSAGetMode = VSAGetMode; 369 in_module->VSAAdd = VSAAdd; 370 371 return TRUE; 372 } 373 374 BOOL UnloadWinampInputPlugin() 375  { 376 if(in_module) 377 in_module->Quit(); 378 379 if(hInputModule) 380 FreeLibrary(hInputModule); 381 382 in_module = NULL; 383 hInputModule = NULL; 384 return TRUE; 385 } 386 387 /**///////////////////////////////////////////////////////////////////////////388 // Output 389 const int PacketSize = 1152; 390 const int WinampBaseSize = 576; 391 const int DefaultBufSize = 88200; 392 393 unsigned char* pBuf = NULL; 394 DWORD bufSize = 0; 395 BOOL omodReady = FALSE; 396 BOOL PosChanged = FALSE; 397 398 DWORD rOffset = 0; 399 DWORD wOffset = 0; 400 int SPS = 0; 401 int BPS = 0; 402 int Channels = 0; 403 DWORD BASSDataSize = 0; 404 BOOL isReading = FALSE; 405 BOOL isWriting = FALSE; 406 int posDelta = 0; 407 __int64 totalWritten = 0; 408 BOOL InitialBufferFill = FALSE; 409 BOOL ReachedEnd = FALSE; 410 BOOL ResumeMode = 0; 411 412 BOOL Debug = FALSE; 413 HANDLE hRawFile = NULL; 414 415 static DWORD FreeSpace(DWORD BufferSize, DWORD ReadOffset, DWORD WriteOffset) 416  { 417 if(ReadOffset > WriteOffset) 418 return ReadOffset - WriteOffset; 419 else 420 return BufferSize - WriteOffset + ReadOffset; 421 } 422 423 static DWORD DataRemains(DWORD BufferSize, DWORD ReadOffset, DWORD WriteOffset) 424  { 425 if(ReadOffset > WriteOffset) 426 return BufferSize + WriteOffset - ReadOffset; 427 else 428 return WriteOffset - ReadOffset; 429 } 430 431 DWORD __stdcall StreamWriter2(HSTREAM handle, void *buffer, DWORD length, void *user) 432  { 433 unsigned char* p1 = NULL; 434 unsigned char* p2 = NULL; 435 unsigned short wCycle = 0; 436 DWORD OutputTime = 0; 437 438 if(isWriting) 439 { 440 wCycle = 0; 441 do 442 { 443 Sleep(50); 444 wCycle++; 445 } while(!isWriting || wCycle == 150); 446 } 447 448 isReading = TRUE; 449 int result = 0; 450 451 p1 = pBuf + rOffset; 452 if(rOffset > wOffset) 453 { 454 if((bufSize - rOffset) > length) 455 { 456 memcpy(buffer, p1, length); 457 rOffset += length; 458 result = length; 459 } 460 else if((bufSize - rOffset) == length) 461 { 462 memcpy(buffer, p1, length); 463 rOffset = 0; 464 result = length; 465 } 466 else 467 { 468 memcpy(buffer, p1, bufSize - rOffset); 469 unsigned char* _buffer = (unsigned char*)buffer; 470 p2 = _buffer + (bufSize - rOffset); 471 472 if((length - (bufSize - rOffset)) < wOffset) 473 { 474 memcpy(p2, pBuf, length - (bufSize - rOffset)); 475 rOffset = length - (bufSize - rOffset); 476 result = length; 477 } 478 else 479 { 480 memcpy(p2, pBuf, wOffset); 481 rOffset = wOffset; 482 result = bufSize - rOffset + wOffset; 483 } 484 } 485 } 486 else if(rOffset < wOffset) 487 { 488 if((wOffset - rOffset) >= length) 489 { 490 memcpy(buffer, p1, length); 491 rOffset += length; 492 result = length; 493 } 494 else 495 { 496 memcpy(buffer, p1, wOffset - rOffset); 497 rOffset = wOffset - rOffset; 498 result = wOffset; 499 } 500 } 501 else 502 result = BASS_STREAMPROC_END; 503 504 if(ResumeMode) 505 { 506 if(DataRemains(bufSize, rOffset, wOffset) < length) 507 { 508 wCycle = 0; 509 while(!isWriting) 510 { 511 Sleep(200); 512 wCycle++; 513 if(wCycle == 50) 514 break; 515 } 516 517 ResumeMode = FALSE; 518 } 519 } 520 521 isReading = FALSE; 522 return result; 523 } 524 525 void Config(HWND hwndParent) 526  { 527 MessageBox(hwndParent, "No configuration is needed.", "Confirm", MB_OK); 528 } 529 530 void About(HWND hwndParent) 531  { 532 MessageBox(hwndParent, "This is a Winamp output plug-in emulator using BASS", "Confirm", MB_OK); 533 } 534 535 void Init() 536  { 537 if(omodReady) 538 return; 539 540 omodReady = TRUE; 541 } 542 543 void Quit() 544  { 545 if(omodReady) 546 omodReady = FALSE; 547 } 548 549 int Open(int samplerate, int numchannels, int bitspersamp, int bufferlenms, int prebufferms) 550  { 551 if(!omodReady) 552 return -1; 553 554 DWORD flag = 0; 555 if(bitspersamp == 8) 556 flag = BASS_SAMPLE_8BITS; 557 558 rOffset = 0; 559 wOffset = 0; 560 totalWritten = 0; 561 isReading = FALSE; 562 isWriting = FALSE; 563 PosChanged = FALSE; 564 InitialBufferFill = TRUE; 565 ReachedEnd = FALSE; 566 567 hStream = BASS_StreamCreate(samplerate, numchannels, flag, STREAMPROC_PUSH, NULL); 568 if(!hStream) 569 return -1; 570 571 SPS = samplerate; 572 BPS = bitspersamp; 573 Channels = numchannels; 574 BASSDataSize = (SPS * (BPS >> 3) * Channels * 2) / 10; 575 576 if(((BASSDataSize * 2) > bufSize) || ((BASSDataSize * 4) < bufSize)) 577 { 578 if(pBuf != NULL) 579 { 580 delete [] pBuf; 581 pBuf = NULL; 582 } 583 584 bufSize = BASSDataSize * 3; 585 pBuf = new unsigned char[bufSize]; 586 if(pBuf == NULL) 587 { 588 bufSize = 0; 589 return -1; 590 } 591 } 592 593 if(Debug) 594 hRawFile = CreateFile("out.raw", GENERIC_WRITE, FILE_SHARE_WRITE, NULL, 595 CREATE_ALWAYS, FILE_ATTRIBUTE_ARCHIVE, NULL); 596 597 posDelta = 0; 598 return 0; 599 } 600 601 void Close() 602  { 603 if(BASS_ChannelIsActive(hStream) == BASS_ACTIVE_PLAYING) 604 BASS_ChannelStop(hStream); 605 606 BASS_StreamFree(hStream); 607 608 if(hRawFile != NULL && Debug == TRUE) 609 { 610 CloseHandle(hRawFile); 611 hRawFile = NULL; 612 } 613 614 hStream = 0; 615 } 616 617 int Write(char *buf, int len) 618  { 619 if(TRUE) 620 { 621 BASS_StreamPutData(hStream, buf, len); 622 return 0; 623 } 624 625 unsigned char* p1 = NULL; 626 unsigned char* p2 = NULL; 627 unsigned short wCycle = 0; 628 629 if(isReading) 630 { 631 wCycle = 0; 632 do 633 { 634 Sleep(50); 635 wCycle++; 636 } while (!isReading || wCycle == 150); 637 } 638 639 isWriting = TRUE; 640 int result = 0; 641 642 p1 = pBuf + wOffset; 643 644 if(FreeSpace(bufSize, rOffset, wOffset) > (DWORD)len) 645 { 646 if(rOffset > wOffset) 647 { 648 memcpy(p1, buf, len); 649 wOffset += len; 650 } 651 else 652 { 653 if((bufSize - wOffset) > (DWORD)len) 654 { 655 memcpy(p1, buf, len); 656 wOffset += len; 657 } 658 else 659 { 660 memcpy(p1, buf, bufSize - wOffset); 661 662 if((bufSize - wOffset) < (DWORD)len) 663 { 664 p2 = (unsigned char*)(buf + (bufSize - wOffset)); 665 memcpy(pBuf, p2, len - (bufSize - wOffset)); 666 } 667 668 wOffset = len - (bufSize - wOffset); 669 } 670 } 671 } 672 else 673 result = 1; 674 675 isWriting = FALSE; 676 677 if(InitialBufferFill) 678 { 679 DWORD free_space = FreeSpace(bufSize, rOffset, wOffset); 680 DWORD data_remains = DataRemains(bufSize, rOffset, wOffset); 681 DWORD xx = BASSDataSize << 1; 682 683 if(free_space <= 8192 || data_remains >= xx) 684 { 685 InitialBufferFill = FALSE; 686 if(hStream) 687 { 688 ResumeMode = FALSE; 689 BASS_ChannelPlay(hStream, TRUE); 690 } 691 } 692 } 693 694 if(hRawFile != NULL && Debug == TRUE) 695 { 696 DWORD dwWriteBytes = 0; 697 WriteFile(hRawFile, buf, len, &dwWriteBytes, NULL); 698 } 699 700 return result; 701 } 702 703 int CanWrite() 704  { 705 if(isReading) 706 return 0; 707 708 return FreeSpace(bufSize, rOffset, wOffset) - 1; 709 } 710 711 int IsPlaying() 712  { 713 if(BASS_ChannelIsActive(hStream) == BASS_ACTIVE_PLAYING) 714 return 1; 715 else 716 return 0; 717 } 718 719 int Pause(int pause) 720  { 721 int result = 0; 722 if(BASS_ChannelIsActive(hStream) == BASS_ACTIVE_PAUSED) 723 result = 1; 724 else 725 return 0; 726 727 if((pause == 0) && (result == 1)) 728 { 729 ResumeMode = TRUE; 730 BASS_ChannelPlay(hStream, FALSE); 731 } 732 else if(pause == 0) 733 { 734 ResumeMode = TRUE; 735 BASS_ChannelPlay(hStream, TRUE); 736 } 737 else if(pause != 0 && pause == 0) 738 BASS_ChannelPause(hStream); 739 740 return result; 741 } 742 743 void SetVolume(int volume) 744  { 745 int SetVolume = 0; 746 if(volume < 0) 747 SetVolume = 0; 748 else if(volume > 255) 749 SetVolume = 255; 750 else 751 SetVolume = volume; 752 753 BASS_SetConfig(BASS_CONFIG_GVOL_STREAM, SetVolume * 39); 754 } 755 756 void SetPan(int pan) 757  { 758 BASS_ChannelSetAttribute(hStream, BASS_ATTRIB_PAN, (float)pan * (100 / 128)); 759 } 760 761 void Flush(int t) 762  { 763 DWORD chnStatus = 0; 764 BOOL wasPlaying = FALSE; 765 unsigned short wCycle = 0; 766 767 chnStatus = BASS_ChannelIsActive(hStream); 768 769 if(chnStatus != BASS_ACTIVE_PAUSED && chnStatus != BASS_ACTIVE_STOPPED) 770 if((FreeSpace(bufSize, rOffset, wOffset) > 0) || (chnStatus == BASS_ACTIVE_PLAYING)) 771 wasPlaying = TRUE; 772 else 773 wasPlaying = FALSE; 774 else 775 wasPlaying = FALSE; 776 777 if(chnStatus == BASS_ACTIVE_PAUSED) 778 if(!PosChanged) 779 return; 780 781 if(isReading) 782 { 783 wCycle = 0; 784 do 785 { 786 Sleep(50); 787 wCycle++; 788 } while (!isReading || wCycle == 150); 789 } 790 791 BASS_ChannelStop(hStream); 792 793 if(wasPlaying) 794 InitialBufferFill = TRUE; 795 796 posDelta = t; 797 rOffset = 0; 798 wOffset = 0; 799 totalWritten = 0; 800 isWriting = FALSE; 801 PosChanged = FALSE; 802 } 803 804 #define round(x) (int)((x)>0 ? (x)+0.5 : (x)-0.5) 805 806 int GetOutputTime() 807  { 808 DWORD Devider = SPS * (BPS >> 3) * Channels; 809 if(Devider != 0) 810 return posDelta + round(1000 * BASS_ChannelGetPosition((hStream), BASS_POS_BYTE) / Devider); 811 812 return 0; 813 } 814 815 int GetWrittenTime() 816  { 817 DWORD Devider = SPS * (BPS >> 3) * Channels; 818 if(Devider != 0) 819 return posDelta + round(1000 * totalWritten / Devider); 820 821 return 0; 822 } 823 824 BOOL LoadWinampOutputPlugin() 825  { 826 pBuf = new unsigned char[DefaultBufSize]; 827 if(pBuf == NULL) 828 return FALSE; 829 830 memset(pBuf, 0, sizeof(unsigned char) * DefaultBufSize); 831 bufSize = DefaultBufSize; 832 833 out_module.version = 0x10; 834 out_module.description = "BASS Winamp output plug-in emulator"; 835 out_module.id = 65536 + 1; 836 out_module.hMainWindow = hMainWindow; 837 out_module.hDllInstance = NULL; 838 out_module.Config = Config; 839 out_module.About = About; 840 out_module.Init = Init; 841 out_module.Quit = Quit; 842 out_module.Open = Open; 843 out_module.Close = Close; 844 out_module.Write = Write; 845 out_module.CanWrite = CanWrite; 846 out_module.IsPlaying = IsPlaying; 847 out_module.Pause = Pause; 848 out_module.SetVolume = SetVolume; 849 out_module.SetPan = SetPan; 850 out_module.Flush = Flush; 851 out_module.GetOutputTime = GetOutputTime; 852 out_module.GetWrittenTime = GetWrittenTime; 853 854 out_module.Init(); 855 return TRUE; 856 } 857 858 BOOL UnloadWinampOutputPlugin() 859  { 860 if(pBuf != NULL) 861 { 862 delete [] pBuf; 863 pBuf = NULL; 864 } 865 866 return TRUE; 867 }
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