1848 lines
55 KiB
C
1848 lines
55 KiB
C
/*
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* capwin.c
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* Main window proceedure.
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* Microsoft Video for Windows Sample Capture Class
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* Copyright (c) 1992 - 1995 Microsoft Corporation. All Rights Reserved.
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* You have a royalty-free right to use, modify, reproduce and
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* distribute the Sample Files (and/or any modified version) in
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* any way you find useful, provided that you agree that
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* Microsoft has no warranty obligations or liability for any
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* Sample Application Files which are modified.
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*/
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#define INC_OLE2
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#pragma warning(disable:4103)
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#include <windows.h>
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#include <windowsx.h>
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#include <win32.h>
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#include <mmsystem.h>
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#include <vfw.h>
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#include <mmreg.h>
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#include <memory.h>
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#include "ivideo32.h"
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#include "avicapi.h"
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#include "cappal.h"
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#include "capdib.h"
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#include "dibmap.h"
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#ifdef UNICODE
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#include <stdlib.h>
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#endif
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// GetWindowLong assignments
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#define GWL_CAPSTREAM 0
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#define ID_PREVIEWTIMER 9
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//#ifdef _DEBUG
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#ifdef PLASTIQUE
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#define MB(lpsz) MessageBoxA(NULL, lpsz, "", MB_OK);
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#else
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#define MB(lpsz)
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#endif
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// #if defined _WIN32 && defined CHICAGO
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#if defined NO_LONGER_USED
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#include <mmdevldr.h>
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#include <vmm.h>
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#include "mmdebug.h"
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#pragma message (SQUAWK "move these defines later")
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#define MMDEVLDR_IOCTL_PAGEALLOCATE 7
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#define MMDEVLDR_IOCTL_PAGEFREE 8
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#define PageContig 0x00000004
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#define PageFixed 0x00000008
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//end
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HANDLE hMMDevLdr = NULL;
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/*
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@doc INTERNAL
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@function HANDLE | OpenMMDEVLDR | Open a file handle to the MMDEVLDR VxD
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in order to access the DeviceIoControl functions.
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@rdesc opens a shared handle to MMDEVLDR
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*/
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VOID WINAPI OpenMMDEVLDR(
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void)
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{
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AuxDebugEx (5, DEBUGLINE "OpenMMDEVLDR()r\n");
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if (hMMDevLdr)
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return;
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hMMDevLdr = CreateFile(
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"\\\\.\\MMDEVLDR.VXD", // magic name to attach to an already loaded vxd
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GENERIC_WRITE,
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FILE_SHARE_WRITE,
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NULL,
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OPEN_ALWAYS,
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FILE_ATTRIBUTE_NORMAL | FILE_FLAG_GLOBAL_HANDLE,
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NULL);
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AuxDebugEx (5, DEBUGLINE "OpenMMDEVLDR returns %08Xr\n", hMMDevLdr);
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return;
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}
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VOID WINAPI CloseMMDEVLDR(
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void)
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{
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if (! hMMDevLdr)
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return;
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CloseHandle (hMMDevLdr);
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hMMDevLdr = NULL;
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}
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/*
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@doc INTERNAL
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@function DWORD | LinPageLock | Call the VMM service LinPageLock via
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DeviceIoControl through MMDEVLDR.
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@parm DWORD | dwStartPage | Starting page of the linear region to lock.
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@parm DWORD | dwPageCount | Number of 4K pages to lock.
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@parm DWORD | fdwLinPageLock | Flags expected by the VMM service.
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@flag PAGEMAPGLOBAL | Return an alias to the locked region which
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is valid in all process contexts.
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@rdesc Meaningless unless PAGEMAPGLOBAL specified. If it was, then the
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return value is the alias pointer to the start of the linear region
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(NOTE: A *POINTER*, NOT a page address). The pointer will be page
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aligned (i.e. the low 12 bits will be zero.)
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*/
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DWORD WINAPI LinPageLock(
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DWORD dwStartPage,
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DWORD dwPageCount,
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DWORD fdwLinPageLock)
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{
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LOCKUNLOCKPARMS lup;
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DWORD dwRet;
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DWORD cbRet;
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AuxDebugEx (6, DEBUGLINE "LinPageLock(%08x,%08x,%08x)\r\n",
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dwStartPage, dwPageCount, fdwLinPageLock);
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assert (hMMDevLdr != NULL);
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if (INVALID_HANDLE_VALUE == hMMDevLdr)
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return 0;
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lup.dwStartPage = dwStartPage;
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lup.dwPageCount = dwPageCount;
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lup.fdwOperation= fdwLinPageLock;
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if ( ! DeviceIoControl (hMMDevLdr,
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MMDEVLDR_IOCTL_LINPAGELOCK,
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&lup,
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sizeof(lup),
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&dwRet,
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sizeof(dwRet),
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&cbRet,
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NULL))
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{
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AuxDebug("LinPageLock failed!!!");
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dwRet = 0;
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}
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return dwRet;
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}
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/*
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@doc INTERNAL
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@function DWORD | LinPageUnLock | Call the VMM service LinPageUnLock via
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DeviceIoControl through MMDEVLDR.
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@parm DWORD | dwStartPage | Starting page of the linear region to unlock.
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@parm DWORD | dwPageCount | Number of 4K pages to lock.
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@parm DWORD | fdwLinPageLock | Flags expected by the VMM service.
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@flag PAGEMAPGLOBAL | Return an alias to the locked region which
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is valid in all process contexts.
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@comm
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If PAGEMAPGLOBAL was specified on the <f LinPageLock> call, it must
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also be specified here. In this case, <p dwStartPage> should be the
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page address of the returned alias pointer in global memory.
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*/
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void WINAPI LinPageUnLock(
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DWORD dwStartPage,
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DWORD dwPageCount,
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DWORD fdwLinPageLock)
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{
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LOCKUNLOCKPARMS lup;
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AuxDebugEx (6, DEBUGLINE "LinPageUnLock (%08x,%08x,%08x)\r\n",
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dwStartPage, dwPageCount, fdwLinPageLock);
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assert (hMMDevLdr != NULL);
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assert (INVALID_HANDLE_VALUE != hMMDevLdr);
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if (INVALID_HANDLE_VALUE == hMMDevLdr)
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return;
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lup.dwStartPage = dwStartPage;
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lup.dwPageCount = dwPageCount;
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lup.fdwOperation = fdwLinPageLock;
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DeviceIoControl (hMMDevLdr,
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MMDEVLDR_IOCTL_LINPAGEUNLOCK,
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&lup,
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sizeof(lup),
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NULL,
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0,
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NULL,
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NULL);
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}
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/*+ FreeContigMem
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*-==================================================================*/
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VOID FreeContigMem (
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DWORD hMemContig)
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{
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DWORD dwRet;
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DWORD cbRet;
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assert (hMMDevLdr != NULL);
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assert (INVALID_HANDLE_VALUE != hMMDevLdr);
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if (INVALID_HANDLE_VALUE == hMMDevLdr)
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return;
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DeviceIoControl (hMMDevLdr,
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MMDEVLDR_IOCTL_PAGEFREE,
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&hMemContig,
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sizeof(hMemContig),
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&dwRet,
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sizeof(dwRet),
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&cbRet,
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NULL);
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}
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/*+ AllocContigMem
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*-==================================================================*/
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LPVOID AllocContigMem (
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DWORD cbSize,
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LPDWORD phMemContig)
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{
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struct _memparms {
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DWORD flags;
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DWORD nPages;
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} mp;
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struct _memret {
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LPVOID lpv;
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DWORD hMem;
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DWORD nPages;
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DWORD dwPhys;
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} mr;
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DWORD cbRet;
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mr.lpv = NULL;
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*phMemContig = 0;
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mp.nPages = (cbSize + 4095) >> 12;
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mp.flags = PageContig+PageFixed;
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AuxDebugEx (2, DEBUGLINE "Contig allocate %08X pages\r\n", mp.nPages);
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assert (hMMDevLdr != NULL);
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assert (INVALID_HANDLE_VALUE != hMMDevLdr);
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if (INVALID_HANDLE_VALUE == hMMDevLdr)
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return NULL;
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if ( ! DeviceIoControl (hMMDevLdr,
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MMDEVLDR_IOCTL_PAGEALLOCATE,
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&mp,
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sizeof(mp),
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&mr,
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sizeof(mr),
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&cbRet,
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NULL))
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{
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AuxDebugEx(0, "Contig Allocate failed!!!\r\n");
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mr.lpv = NULL;
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mr.hMem = 0;
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mr.nPages = 0;
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mr.dwPhys = 0;
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}
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*phMemContig = mr.hMem;
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AuxDebugEx(2, "Contig Allocate returns %08X\r\n", mr.lpv);
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return mr.lpv;
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}
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/*+
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*-================================================================*/
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PVOID WINAPI CreateGlobalAlias (
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PVOID pOriginal,
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DWORD cbOriginal,
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LPDWORD pnPages)
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{
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DWORD dwStartPage;
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DWORD dwPageCount;
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DWORD dwPageOffset;
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DWORD dwAliasBase;
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PVOID pAlias;
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AuxDebugEx (6, DEBUGLINE "CreateGlobalAlias(%08X,%08X,..)\r\n",
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pOriginal, cbOriginal);
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dwStartPage = ((DWORD)pOriginal) >> 12;
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dwPageOffset = ((DWORD)pOriginal) & ((1 << 12)-1);
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dwPageCount = ((((DWORD)pOriginal) + cbOriginal - 1) >> 12) - dwStartPage + 1;
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*pnPages = 0;
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dwAliasBase = LinPageLock (dwStartPage, dwPageCount, PAGEMAPGLOBAL);
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if ( ! dwAliasBase)
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return NULL;
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pAlias = (PVOID)(dwAliasBase + dwPageOffset);
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*pnPages = dwPageCount;
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AuxDebugEx (6, DEBUGLINE "CreateGlobalAlias returns %08X nPages %d\r\n", pAlias, dwPageCount);
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return pAlias;
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}
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/*+
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*-================================================================*/
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VOID WINAPI FreeGlobalAlias(
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PVOID pAlias,
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DWORD nPages)
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{
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AuxDebugEx (6, DEBUGLINE "FreeGlobalAlias(%08X,%08X)\r\n", pAlias, nPages);
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LinPageUnLock (((DWORD)pAlias) >> 12, nPages, PAGEMAPGLOBAL);
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}
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#endif
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#if defined _WIN32 && defined CHICAGO
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/*+ videoFrame
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*-================================================================*/
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DWORD WINAPI videoFrame (
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HVIDEO hVideo,
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LPVIDEOHDR lpVHdr)
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{
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return vidxFrame (hVideo, lpVHdr);
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}
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#endif
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// Set the overlay rectangles on capture cards which support
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// overlay, and then enable/disable the key color.
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static void SetOverlayRectangles (LPCAPSTREAM lpcs)
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{
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HDC hdc;
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BOOL fVisible;
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RECT rc;
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if (!lpcs->hVideoDisplay)
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return;
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hdc = GetDC (lpcs->hwnd);
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fVisible = (GetClipBox (hdc, &rc) != NULLREGION);
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ReleaseDC (lpcs->hwnd, hdc);
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if (!fVisible) // disable the overlay if iconic
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videoStreamFini (lpcs->hVideoDisplay);
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else {
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// Destination
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GetClientRect (lpcs->hwnd, &rc);
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ClientToScreen (lpcs->hwnd, (LPPOINT)&rc);
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ClientToScreen (lpcs->hwnd, (LPPOINT)&rc+1);
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videoSetRect (lpcs->hVideoDisplay, DVM_DST_RECT, rc);
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// Overlay channel Source rectangle
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SetRect (&rc, lpcs->ptScroll.x, lpcs->ptScroll.y,
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lpcs->ptScroll.x + rc.right - rc.left,
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lpcs->ptScroll.y + rc.bottom - rc.top);
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videoSetRect (lpcs->hVideoDisplay, DVM_SRC_RECT, rc);
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videoStreamInit (lpcs->hVideoDisplay, 0L, 0L, 0L, 0L);
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}
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}
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// WM_POSITIONCHANGED and WM_POSITIONCHANGING don't do enough to
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// handle clipping of the overlay window on the Intel board,
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// which keys on black. Do this routine on WM_PAINT and
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// WM_ENTERIDLE messages.
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void CheckWindowMove(LPCAPSTREAM lpcs, HDC hdcWnd, BOOL fForce)
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{
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UINT wRgn;
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RECT rc;
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#ifdef _WIN32
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POINT ptOrg;
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#else
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DWORD dwOrg;
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#endif
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HDC hdc;
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BOOL f;
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if (!lpcs->hwnd || !lpcs->hVideoDisplay || !lpcs->fOverlayWindow)
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return;
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// when the screen is locked for update by a window move operation
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// we dont want to turn off the video.
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// we can tell if the screen is locked by checking a DC to the screen.
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hdc = GetDC(NULL);
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f = GetClipBox(hdc, &rc) == NULLREGION;
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ReleaseDC(NULL, hdc);
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if (f) {
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lpcs->uiRegion = (UINT) -1;
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return;
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}
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if (fForce)
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lpcs->uiRegion = (UINT) -1;
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hdc = GetDC (lpcs->hwnd);
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wRgn = GetClipBox(hdc, &rc);
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#ifdef _WIN32
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GetDCOrgEx(hdc, &ptOrg);
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#else
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dwOrg = GetDCOrg(hdc);
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#endif
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ReleaseDC(lpcs->hwnd, hdc);
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if (wRgn == lpcs->uiRegion &&
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#ifdef _WIN32
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ptOrg.x == lpcs->ptRegionOrigin.x &&
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ptOrg.y == lpcs->ptRegionOrigin.y &&
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#else
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dwOrg == lpcs->dwRegionOrigin &&
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#endif
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EqualRect(&rc, &lpcs->rcRegionRect))
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return;
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lpcs->uiRegion = wRgn;
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#ifdef _WIN32
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lpcs->ptRegionOrigin = ptOrg;
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#else
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lpcs->dwRegionOrigin = dwOrg;
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#endif
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lpcs->rcRegionRect = rc;
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SetOverlayRectangles (lpcs);
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if (hdcWnd)
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videoUpdate (lpcs->hVideoDisplay, lpcs->hwnd, hdcWnd);
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else
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InvalidateRect (lpcs->hwnd, NULL, TRUE);
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}
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// Create our little world
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LPCAPSTREAM CapWinCreate (HWND hwnd)
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{
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LPCAPSTREAM lpcs;
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WAVEFORMATEX wfex;
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if (!(lpcs = (LPCAPSTREAM) GlobalAllocPtr (GHND, sizeof (CAPSTREAM))))
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return NULL;
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SetWindowLongPtr (hwnd, GWL_CAPSTREAM, (LONG_PTR)lpcs);
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lpcs->dwSize = sizeof (CAPSTREAM);
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lpcs->uiVersion = CAPSTREAM_VERSION;
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lpcs->hwnd = hwnd;
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lpcs->hInst = ghInstDll;
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lpcs->hWaitCursor = LoadCursor(NULL, IDC_WAIT);
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lpcs->hdd = DrawDibOpen();
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lpcs->fAudioHardware = !!waveOutGetNumDevs(); // force 1 or 0
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// Video defaults
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lpcs->sCapParms.dwRequestMicroSecPerFrame = 66667; // 15fps
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lpcs->sCapParms.vKeyAbort = VK_ESCAPE;
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lpcs->sCapParms.fAbortLeftMouse = TRUE;
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lpcs->sCapParms.fAbortRightMouse = TRUE;
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lpcs->sCapParms.wNumVideoRequested = MIN_VIDEO_BUFFERS;
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lpcs->sCapParms.wPercentDropForError = 10; // error msg if dropped > 10%
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lpcs->sCapParms.wChunkGranularity = 0;
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// Audio defaults to 11K, 8bit, Mono
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lpcs->sCapParms.fCaptureAudio = lpcs->fAudioHardware;
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lpcs->sCapParms.wNumAudioRequested = DEF_WAVE_BUFFERS;
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lpcs->fCaptureFlags |= CAP_fCapturingToDisk;
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lpcs->fCaptureFlags |= CAP_fDefaultVideoBuffers;
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lpcs->fCaptureFlags |= CAP_fDefaultAudioBuffers;
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wfex.wFormatTag = WAVE_FORMAT_PCM;
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wfex.nChannels = 1;
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wfex.nSamplesPerSec = 11025;
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wfex.nAvgBytesPerSec = 11025;
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wfex.nBlockAlign = 1;
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wfex.wBitsPerSample = 8;
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wfex.cbSize = 0;
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SendMessage (hwnd, WM_CAP_SET_AUDIOFORMAT, 0, (LPARAM)(LPVOID)&wfex);
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// Palette defaults
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lpcs->nPaletteColors = 256;
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// Capture defaults
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lpcs->sCapParms.fUsingDOSMemory = FALSE;
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lstrcpy (lpcs->achFile, TEXT("C:\\CAPTURE.AVI")); // Default capture file
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lpcs->fCapFileExists = fileCapFileIsAVI (lpcs->achFile);
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// Allocate index to 32K frames plus proportionate number of audio chunks
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lpcs->sCapParms.dwIndexSize = (32768ul + (32768ul / 15));
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lpcs->sCapParms.fDisableWriteCache = FALSE;
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#ifdef NEW_COMPMAN
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// Init the COMPVARS structure
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lpcs->CompVars.cbSize = sizeof (COMPVARS);
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lpcs->CompVars.dwFlags = 0;
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#endif
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return lpcs;
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}
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// Destroy our little world
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|
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void CapWinDestroy (LPCAPSTREAM lpcs)
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{
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// Uh, oh. Somebodys trying to kill us while capturing
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if (lpcs->fCaptureFlags & CAP_fCapturingNow) {
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if (lpcs->fCaptureFlags & CAP_fFrameCapturingNow) {
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// Single frame capture in progress
|
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SingleFrameCaptureClose (lpcs);
|
|
}
|
|
else {
|
|
// Streaming capture in progress, OR
|
|
// MCI step capture in progress
|
|
|
|
lpcs->fCaptureFlags |= CAP_fAbortCapture;
|
|
#ifdef _WIN32
|
|
// wait for capture thread to go away
|
|
|
|
// we must have a capture thread
|
|
WinAssert(lpcs->hThreadCapture != 0);
|
|
while (MsgWaitForMultipleObjects(1, &lpcs->hThreadCapture, FALSE,
|
|
INFINITE, QS_SENDMESSAGE) != WAIT_OBJECT_0) {
|
|
MSG msg;
|
|
|
|
// just a single peekmessage with NOREMOVE will
|
|
// process the inter-thread send and not affect the queue
|
|
PeekMessage(&msg, NULL, 0, 0, PM_NOREMOVE);
|
|
}
|
|
CloseHandle(lpcs->hThreadCapture);
|
|
lpcs->hThreadCapture = 0;
|
|
|
|
// it should have stopped capturing
|
|
WinAssert(!(lpcs->fCaptureFlags & CAP_fCapturingNow));
|
|
|
|
#else
|
|
while (lpcs->fCapturingNow)
|
|
Yield ();
|
|
#endif
|
|
}
|
|
}
|
|
|
|
if (lpcs->idTimer)
|
|
KillTimer(lpcs->hwnd, lpcs->idTimer);
|
|
|
|
PalFini (lpcs);
|
|
DibFini (lpcs);
|
|
|
|
CapWinDisconnectHardware (lpcs);
|
|
|
|
DrawDibClose (lpcs->hdd);
|
|
|
|
if (lpcs->lpWaveFormat)
|
|
GlobalFreePtr (lpcs->lpWaveFormat);
|
|
|
|
#ifdef NEW_COMPMAN
|
|
if (lpcs->CompVars.hic)
|
|
ICCompressorFree(&lpcs->CompVars);
|
|
#endif
|
|
|
|
if (lpcs->lpInfoChunks)
|
|
GlobalFreePtr(lpcs->lpInfoChunks);
|
|
|
|
WinAssert (!lpcs->pAsync);
|
|
GlobalFreePtr (lpcs); // Free the instance memory
|
|
}
|
|
|
|
UINT GetSizeOfWaveFormat (LPWAVEFORMATEX lpwf)
|
|
{
|
|
UINT wSize;
|
|
|
|
if ((lpwf == NULL) || (lpwf->wFormatTag == WAVE_FORMAT_PCM))
|
|
wSize = sizeof (PCMWAVEFORMAT);
|
|
else
|
|
wSize = sizeof (WAVEFORMATEX) + lpwf->cbSize;
|
|
|
|
return wSize;
|
|
}
|
|
|
|
// Returns TRUE if we got a new frame, else FALSE
|
|
// if fForce, then always get a new frame
|
|
BOOL GetAFrameThenCallback (LPCAPSTREAM lpcs, BOOL fForce)
|
|
{
|
|
BOOL fOK = FALSE;
|
|
static BOOL fRecursion = FALSE;
|
|
BOOL fVisible;
|
|
RECT rc;
|
|
HDC hdc;
|
|
|
|
if (fRecursion)
|
|
return FALSE;
|
|
|
|
if (!lpcs->sCapDrvCaps.fCaptureInitialized)
|
|
return fOK;
|
|
|
|
fRecursion = TRUE;
|
|
|
|
// Update the preview window if we got a timer and not saving to disk
|
|
if (lpcs->fOverlayWindow)
|
|
CheckWindowMove(lpcs, NULL, FALSE);
|
|
|
|
if ((!(lpcs->fCaptureFlags & CAP_fCapturingNow))
|
|
|| (lpcs->fCaptureFlags & CAP_fStepCapturingNow)
|
|
|| (lpcs->fCaptureFlags & CAP_fFrameCapturingNow)) {
|
|
hdc = GetDC (lpcs->hwnd);
|
|
fVisible = (GetClipBox (hdc, &rc) != NULLREGION);
|
|
ReleaseDC (lpcs->hwnd, hdc);
|
|
|
|
if (fForce || (fVisible && (lpcs->fLiveWindow || lpcs->CallbackOnVideoFrame))) {
|
|
videoFrame (lpcs->hVideoIn, &lpcs->VidHdr);
|
|
fOK = TRUE;
|
|
|
|
if (lpcs->CallbackOnVideoFrame)
|
|
lpcs->CallbackOnVideoFrame(lpcs->hwnd, &lpcs->VidHdr);
|
|
|
|
if (fForce || lpcs->fLiveWindow) {
|
|
InvalidateRect (lpcs->hwnd, NULL, TRUE);
|
|
UpdateWindow (lpcs->hwnd);
|
|
}
|
|
} // if visible
|
|
} // if we're not streaming
|
|
|
|
fRecursion = FALSE;
|
|
|
|
return fOK;
|
|
}
|
|
|
|
// Clear the Status and Error strings via callback
|
|
__inline void FAR PASCAL ClearStatusAndError (LPCAPSTREAM lpcs)
|
|
{
|
|
statusUpdateStatus(lpcs, 0); // Clear status
|
|
errorUpdateError(lpcs, 0); // Clear error
|
|
|
|
}
|
|
|
|
// Process class specific commands >= WM_USER
|
|
|
|
DWORD_PTR PASCAL ProcessCommandMessages (LPCAPSTREAM lpcs, UINT msg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
DWORD_PTR dwReturn = 0L;
|
|
DWORD dwT;
|
|
|
|
switch (msg) {
|
|
// Don't clear status and error on the following innocuous msgs
|
|
case WM_CAP_GET_CAPSTREAMPTR:
|
|
case WM_CAP_GET_USER_DATA:
|
|
case WM_CAP_DRIVER_GET_NAME:
|
|
case WM_CAP_DRIVER_GET_VERSION:
|
|
case WM_CAP_DRIVER_GET_CAPS:
|
|
case WM_CAP_GET_AUDIOFORMAT:
|
|
case WM_CAP_GET_VIDEOFORMAT:
|
|
case WM_CAP_GET_STATUS:
|
|
case WM_CAP_SET_SEQUENCE_SETUP:
|
|
case WM_CAP_GET_SEQUENCE_SETUP:
|
|
case WM_CAP_GET_MCI_DEVICE:
|
|
case WM_CAP_SET_PREVIEWRATE:
|
|
case WM_CAP_SET_SCROLL:
|
|
#ifdef UNICODE
|
|
// ...or on the ansi thunks for these messages
|
|
case WM_CAP_DRIVER_GET_NAMEA:
|
|
case WM_CAP_DRIVER_GET_VERSIONA:
|
|
case WM_CAP_GET_MCI_DEVICEA:
|
|
#endif
|
|
break;
|
|
|
|
default:
|
|
ClearStatusAndError (lpcs);
|
|
break;
|
|
}
|
|
|
|
switch (msg) {
|
|
case WM_CAP_GET_CAPSTREAMPTR:
|
|
// return a pointer to the CAPSTREAM
|
|
return (DWORD_PTR) (LPVOID) lpcs;
|
|
|
|
case WM_CAP_GET_USER_DATA:
|
|
return lpcs->lUser;
|
|
|
|
// unicode and win-16 version - see ansi thunk below
|
|
case WM_CAP_DRIVER_GET_NAME:
|
|
// Return the name of the capture driver in use
|
|
// wParam is the length of the buffer pointed to by lParam
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
return (capInternalGetDriverDesc (lpcs->sCapDrvCaps.wDeviceIndex,
|
|
(LPTSTR) lParam, (int) wParam, NULL, 0));
|
|
|
|
// unicode and win-16 version - see ansi thunk below
|
|
case WM_CAP_DRIVER_GET_VERSION:
|
|
// Return the version of the capture driver in use as text
|
|
// wParam is the length of the buffer pointed to by lParam
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
return (capInternalGetDriverDesc (lpcs->sCapDrvCaps.wDeviceIndex,
|
|
NULL, 0, (LPTSTR) lParam, (int) wParam));
|
|
|
|
#ifdef UNICODE
|
|
// ansi/unicode thunk versions of the above entrypoint
|
|
case WM_CAP_DRIVER_GET_NAMEA:
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
return capInternalGetDriverDescA(lpcs->sCapDrvCaps.wDeviceIndex,
|
|
(LPSTR) lParam, (int) wParam, NULL, 0);
|
|
|
|
// ansi/unicode thunk versions of the above entrypoint
|
|
case WM_CAP_DRIVER_GET_VERSIONA:
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
return capInternalGetDriverDescA(lpcs->sCapDrvCaps.wDeviceIndex,
|
|
NULL, 0, (LPSTR) lParam, (int) wParam);
|
|
#endif
|
|
|
|
|
|
case WM_CAP_DRIVER_GET_CAPS:
|
|
// wParam is the size of the CAPDRIVERCAPS struct
|
|
// lParam points to a CAPDRIVERCAPS struct
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (wParam <= sizeof (CAPDRIVERCAPS) &&
|
|
!IsBadWritePtr ((LPVOID) lParam, (UINT) wParam)) {
|
|
dwT = min ((UINT) wParam, sizeof (CAPDRIVERCAPS));
|
|
_fmemcpy ((LPVOID) lParam, (LPVOID) &lpcs->sCapDrvCaps, (UINT) dwT);
|
|
dwReturn = TRUE;
|
|
}
|
|
break;
|
|
|
|
|
|
// unicode and win-16 version - see ansi thunk below
|
|
case WM_CAP_FILE_GET_CAPTURE_FILE:
|
|
// wParam is the size (in characters)
|
|
// lParam points to a buffer in which capture file name is copied
|
|
if (lParam) {
|
|
lstrcpyn ((LPTSTR) lParam, lpcs->achFile, (UINT) wParam);
|
|
dwReturn = TRUE;
|
|
}
|
|
break;
|
|
#ifdef UNICODE
|
|
// ansi/unicode thunk
|
|
case WM_CAP_FILE_GET_CAPTURE_FILEA:
|
|
if (lParam) {
|
|
Iwcstombs((LPSTR) lParam, lpcs->achFile, (int) wParam);
|
|
dwReturn = TRUE;
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
|
|
case WM_CAP_GET_AUDIOFORMAT:
|
|
// if lParam == NULL, return the size
|
|
// if lParam != NULL, wParam is the size, return bytes copied
|
|
if (lpcs->lpWaveFormat == NULL)
|
|
return FALSE;
|
|
dwT = GetSizeOfWaveFormat ((LPWAVEFORMATEX) lpcs->lpWaveFormat);
|
|
if (lParam == 0)
|
|
return (dwT);
|
|
else {
|
|
if (wParam < (UINT) dwT)
|
|
return FALSE;
|
|
else {
|
|
hmemcpy ((LPVOID) lParam, (LPVOID) lpcs->lpWaveFormat, dwT);
|
|
dwReturn = dwT;
|
|
}
|
|
}
|
|
break;
|
|
|
|
// unicode and win-16 version - see ansi thunk below
|
|
case WM_CAP_GET_MCI_DEVICE:
|
|
// wParam is the size in characters
|
|
// lParam points to a buffer in which MCI device name is copied
|
|
if (lParam) {
|
|
lstrcpyn ((LPTSTR) lParam, lpcs->achMCIDevice, (UINT) wParam);
|
|
dwReturn = TRUE;
|
|
}
|
|
break;
|
|
#ifdef UNICODE
|
|
// ansi thunk of above
|
|
case WM_CAP_GET_MCI_DEVICEA:
|
|
if (lParam) {
|
|
Iwcstombs( (LPSTR) lParam, lpcs->achMCIDevice, (int) wParam);
|
|
dwReturn = TRUE;
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
case WM_CAP_GET_STATUS:
|
|
// wParam is the size of the CAPSTATUS struct pointed to by lParam
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (IsBadWritePtr ((LPVOID) lParam, (UINT) wParam))
|
|
return FALSE;
|
|
|
|
if (wParam >= sizeof (CAPSTATUS)) {
|
|
LPCAPSTATUS lpcc = (LPCAPSTATUS) lParam;
|
|
|
|
lpcc->fLiveWindow = lpcs->fLiveWindow;
|
|
lpcc->fOverlayWindow = lpcs->fOverlayWindow;
|
|
lpcc->fScale = lpcs->fScale;
|
|
lpcc->ptScroll = lpcs->ptScroll;
|
|
lpcc->fUsingDefaultPalette = lpcs->fUsingDefaultPalette;
|
|
lpcc->fCapFileExists = lpcs->fCapFileExists;
|
|
lpcc->fAudioHardware = lpcs->fAudioHardware;
|
|
lpcc->uiImageWidth = lpcs->dxBits;
|
|
lpcc->uiImageHeight = lpcs->dyBits;
|
|
|
|
// The following are updated dynamically during capture
|
|
lpcc->dwCurrentVideoFrame = lpcs->dwVideoChunkCount;
|
|
lpcc->dwCurrentVideoFramesDropped = lpcs->dwFramesDropped;
|
|
if (lpcs->lpWaveFormat != NULL) {
|
|
lpcc->dwCurrentWaveSamples =
|
|
MulDiv (lpcs->dwWaveBytes,
|
|
lpcs->lpWaveFormat->nSamplesPerSec,
|
|
lpcs->lpWaveFormat->nAvgBytesPerSec);
|
|
}
|
|
lpcc->dwCurrentTimeElapsedMS = lpcs->dwTimeElapsedMS;
|
|
|
|
// Added post alpha release
|
|
if (lpcs->fCaptureFlags & CAP_fCapturingNow) {
|
|
lpcc->fCapturingNow = TRUE;
|
|
} else {
|
|
lpcc->fCapturingNow = FALSE;
|
|
}
|
|
lpcc->hPalCurrent = lpcs->hPalCurrent;
|
|
lpcc->dwReturn = lpcs->dwReturn;
|
|
lpcc->wNumVideoAllocated = lpcs->iNumVideo;
|
|
lpcc->wNumAudioAllocated = lpcs->iNumAudio;
|
|
|
|
dwReturn = TRUE;
|
|
}
|
|
break;
|
|
|
|
case WM_CAP_GET_SEQUENCE_SETUP:
|
|
// wParam is sizeof CAPTUREPARMS
|
|
// lParam = LPCAPTUREPARMS
|
|
if (wParam <= sizeof (CAPTUREPARMS) &&
|
|
!IsBadWritePtr ((LPVOID) lParam, (UINT) wParam)) {
|
|
dwT = min ((UINT) wParam, sizeof (CAPTUREPARMS));
|
|
_fmemcpy ((LPVOID) lParam, (LPVOID) &lpcs->sCapParms, (UINT) dwT);
|
|
dwReturn = TRUE;
|
|
}
|
|
break;
|
|
|
|
case WM_CAP_STOP:
|
|
// Stop capturing a sequence
|
|
if (lpcs->fCaptureFlags & CAP_fCapturingNow) {
|
|
lpcs->fCaptureFlags |= CAP_fStopCapture;
|
|
dwReturn = TRUE;
|
|
}
|
|
break;
|
|
|
|
case WM_CAP_ABORT:
|
|
// Stop capturing a sequence
|
|
if (lpcs->fCaptureFlags & CAP_fCapturingNow) {
|
|
lpcs->fCaptureFlags |= CAP_fAbortCapture;
|
|
dwReturn = TRUE;
|
|
}
|
|
break;
|
|
|
|
case WM_CAP_GET_VIDEOFORMAT:
|
|
// if lParam == NULL, return the size
|
|
// if lParam != NULL, wParam is the size, return bytes copied
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
dwT = ((LPBITMAPINFOHEADER)lpcs->lpBitsInfo)->biSize +
|
|
((LPBITMAPINFOHEADER)lpcs->lpBitsInfo)->biClrUsed * sizeof(RGBQUAD);
|
|
if (lParam == 0)
|
|
return dwT;
|
|
else {
|
|
if (wParam < (UINT) dwT)
|
|
return FALSE;
|
|
else {
|
|
hmemcpy ((LPVOID) lParam, (LPVOID) lpcs->lpBitsInfo, dwT);
|
|
dwReturn = dwT;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WM_CAP_SINGLE_FRAME_OPEN:
|
|
// wParam is not used
|
|
// lParam is not used
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
return SingleFrameCaptureOpen (lpcs);
|
|
|
|
case WM_CAP_SINGLE_FRAME_CLOSE:
|
|
// wParam is not used
|
|
// lParam is not used
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
return SingleFrameCaptureClose (lpcs);
|
|
|
|
case WM_CAP_SINGLE_FRAME:
|
|
// wParam is not used
|
|
// lParam is not used
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
return SingleFrameCapture (lpcs);
|
|
|
|
// unicode and win-16 version - see ansi thunk below
|
|
case WM_CAP_SET_CALLBACK_STATUS:
|
|
// Set the status callback proc
|
|
if (lParam != 0 && IsBadCodePtr ((FARPROC) lParam))
|
|
return FALSE;
|
|
lpcs->CallbackOnStatus = (CAPSTATUSCALLBACK) lParam;
|
|
lpcs->fLastStatusWasNULL = TRUE;
|
|
#ifdef UNICODE
|
|
lpcs->fUnicode &= ~VUNICODE_STATUSISANSI;
|
|
#endif
|
|
return TRUE;
|
|
|
|
#ifdef UNICODE
|
|
// ansi thunk for above
|
|
case WM_CAP_SET_CALLBACK_STATUSA:
|
|
// Set the status callback proc
|
|
if (lParam != 0 && IsBadCodePtr ((FARPROC) lParam))
|
|
return FALSE;
|
|
lpcs->CallbackOnStatus = (CAPSTATUSCALLBACK) lParam;
|
|
lpcs->fLastStatusWasNULL = TRUE;
|
|
lpcs->fUnicode |= VUNICODE_STATUSISANSI;
|
|
return TRUE;
|
|
#endif
|
|
|
|
// unicode and win-16 version - see ansi version below
|
|
case WM_CAP_SET_CALLBACK_ERROR:
|
|
// Set the error callback proc
|
|
if (lParam != 0 && IsBadCodePtr ((FARPROC) lParam))
|
|
return FALSE;
|
|
lpcs->CallbackOnError = (CAPERRORCALLBACK) lParam;
|
|
lpcs->fLastErrorWasNULL = TRUE;
|
|
#ifdef UNICODE
|
|
lpcs->fUnicode &= ~VUNICODE_ERRORISANSI;
|
|
#endif
|
|
return TRUE;
|
|
|
|
|
|
#ifdef UNICODE
|
|
// ansi version of above
|
|
case WM_CAP_SET_CALLBACK_ERRORA:
|
|
// Set the error callback proc
|
|
if (lParam != 0 && IsBadCodePtr ((FARPROC) lParam))
|
|
return FALSE;
|
|
lpcs->CallbackOnError = (CAPERRORCALLBACK) lParam;
|
|
lpcs->fLastErrorWasNULL = TRUE;
|
|
lpcs->fUnicode |= VUNICODE_ERRORISANSI;
|
|
return TRUE;
|
|
#endif
|
|
|
|
case WM_CAP_SET_CALLBACK_FRAME:
|
|
// Set the callback proc for single frame during preview
|
|
if (lParam != 0 && IsBadCodePtr ((FARPROC) lParam))
|
|
return FALSE;
|
|
lpcs->CallbackOnVideoFrame = (CAPVIDEOCALLBACK) lParam;
|
|
return TRUE;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// Once we start capturing, don't change anything
|
|
if (lpcs->fCaptureFlags & CAP_fCapturingNow)
|
|
return dwReturn;
|
|
|
|
switch (msg) {
|
|
|
|
case WM_CAP_SET_CALLBACK_YIELD:
|
|
// Set the callback proc for wave buffer processing to net
|
|
if (lParam != 0 && IsBadCodePtr ((FARPROC) lParam))
|
|
return FALSE;
|
|
lpcs->CallbackOnYield = (CAPYIELDCALLBACK) lParam;
|
|
return TRUE;
|
|
|
|
case WM_CAP_SET_CALLBACK_VIDEOSTREAM:
|
|
// Set the callback proc for video buffer processing to net
|
|
if (lParam != 0 && IsBadCodePtr ((FARPROC) lParam))
|
|
return FALSE;
|
|
lpcs->CallbackOnVideoStream = (CAPVIDEOCALLBACK) lParam;
|
|
return TRUE;
|
|
|
|
case WM_CAP_SET_CALLBACK_WAVESTREAM:
|
|
// Set the callback proc for wave buffer processing to net
|
|
if (lParam != 0 && IsBadCodePtr ((FARPROC) lParam))
|
|
return FALSE;
|
|
lpcs->CallbackOnWaveStream = (CAPWAVECALLBACK) lParam;
|
|
return TRUE;
|
|
|
|
case WM_CAP_SET_CALLBACK_CAPCONTROL:
|
|
// Set the callback proc for frame accurate capture start/stop
|
|
if (lParam != 0 && IsBadCodePtr ((FARPROC) lParam))
|
|
return FALSE;
|
|
lpcs->CallbackOnControl = (CAPCONTROLCALLBACK) lParam;
|
|
return TRUE;
|
|
|
|
case WM_CAP_SET_USER_DATA:
|
|
lpcs->lUser = lParam;
|
|
return TRUE;
|
|
|
|
case WM_CAP_DRIVER_CONNECT:
|
|
// Connect to a device
|
|
// wParam contains the index of the driver
|
|
|
|
// If the same driver ID is requested, skip the request
|
|
// Prevents multiple Inits from VB apps
|
|
if (lpcs->fHardwareConnected &&
|
|
(lpcs->sCapDrvCaps.wDeviceIndex == wParam))
|
|
return TRUE;
|
|
|
|
// First disconnect from any (possibly) existing device
|
|
SendMessage (lpcs->hwnd, WM_CAP_DRIVER_DISCONNECT, 0, 0l);
|
|
|
|
// and then connect to the new device
|
|
if (CapWinConnectHardware (lpcs, (UINT) wParam /*wDeviceIndex*/)) {
|
|
if (!DibGetNewFormatFromDriver (lpcs)) { // Allocate our bitspace
|
|
// Use the cached palette if available
|
|
if (lpcs->hPalCurrent && lpcs->lpCacheXlateTable) {
|
|
PalSendPaletteToDriver (lpcs, lpcs->hPalCurrent, lpcs->lpCacheXlateTable);
|
|
}
|
|
else
|
|
PalGetPaletteFromDriver (lpcs);
|
|
|
|
// Get a frame using the possibly cached palette
|
|
videoFrame (lpcs->hVideoIn, &lpcs->VidHdr);
|
|
InvalidateRect(lpcs->hwnd, NULL, TRUE);
|
|
lpcs->sCapDrvCaps.fCaptureInitialized = TRUE; // everything AOK!
|
|
dwReturn = TRUE;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WM_CAP_DRIVER_DISCONNECT:
|
|
MB ("About to disconnect from driver");
|
|
// Disconnect from a device
|
|
// wParam and lParam unused
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
CapWinDisconnectHardware (lpcs);
|
|
DibFini (lpcs);
|
|
/* PalFini (lpcs); keep the palette cached for reconnections */
|
|
InvalidateRect(lpcs->hwnd, NULL, TRUE);
|
|
lpcs->sCapDrvCaps.fCaptureInitialized = FALSE;
|
|
dwReturn = TRUE;
|
|
break;
|
|
|
|
// unicode and win-16 version - see ansi thunk below
|
|
case WM_CAP_FILE_SET_CAPTURE_FILE:
|
|
// lParam points to the name of the capture file
|
|
if (lParam) {
|
|
BOOL fAlreadyExists; // Don't create a file if new name
|
|
#ifndef _WIN32
|
|
OFSTRUCT of;
|
|
#endif
|
|
HANDLE hFile;
|
|
|
|
// Check for valid file names...
|
|
#ifdef _WIN32
|
|
// can't use OpenFile for UNICODE names
|
|
if ((hFile = CreateFile(
|
|
(LPTSTR) lParam,
|
|
GENERIC_WRITE,
|
|
0,
|
|
NULL,
|
|
OPEN_EXISTING,
|
|
FILE_ATTRIBUTE_NORMAL,
|
|
NULL)) == INVALID_HANDLE_VALUE) {
|
|
if ((hFile = CreateFile(
|
|
(LPTSTR) lParam,
|
|
GENERIC_WRITE,
|
|
0,
|
|
NULL,
|
|
CREATE_NEW,
|
|
FILE_ATTRIBUTE_NORMAL,
|
|
NULL)) == INVALID_HANDLE_VALUE) {
|
|
#else
|
|
|
|
if ((hFile = OpenFile ((LPTSTR) lParam, &of, OF_WRITE)) == -1) {
|
|
if ((hFile = OpenFile ((LPTSTR) lParam, &of, OF_CREATE | OF_WRITE)) == -1) {
|
|
#endif
|
|
return FALSE;
|
|
}
|
|
fAlreadyExists = FALSE;
|
|
}
|
|
else
|
|
fAlreadyExists = TRUE;
|
|
|
|
#ifdef _WIN32
|
|
CloseHandle(hFile);
|
|
#else
|
|
_lclose (hFile);
|
|
#endif
|
|
lstrcpyn (lpcs->achFile, (LPTSTR) lParam, NUMELMS(lpcs->achFile));
|
|
lpcs->fCapFileExists = fileCapFileIsAVI (lpcs->achFile);
|
|
|
|
if (!fAlreadyExists) {
|
|
// Delete the file created by CREATE_NEW (or OF_CREATE)
|
|
// when verifying that we can write to this file location
|
|
#ifdef _WIN32
|
|
DeleteFile ((LPTSTR) lParam);
|
|
#else
|
|
OpenFile ((LPTSTR) lParam, &of, OF_DELETE);
|
|
#endif
|
|
}
|
|
dwReturn = TRUE;
|
|
}
|
|
break;
|
|
|
|
#ifdef UNICODE
|
|
// Ansi thunk for above.
|
|
case WM_CAP_FILE_SET_CAPTURE_FILEA:
|
|
// lParam points to the name of the capture file
|
|
if (lParam) {
|
|
LPWSTR pw;
|
|
int chsize;
|
|
|
|
// remember the null
|
|
chsize = lstrlenA( (LPSTR) lParam) + 1;
|
|
pw = LocalAlloc(LPTR, chsize * sizeof(WCHAR));
|
|
if (pw) {
|
|
Imbstowcs(pw, (LPSTR) lParam, chsize);
|
|
dwReturn = ProcessCommandMessages(lpcs, WM_CAP_FILE_SET_CAPTURE_FILEW,
|
|
0, (LPARAM)pw);
|
|
LocalFree(pw);
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
case WM_CAP_FILE_ALLOCATE:
|
|
// lParam contains the size to preallocate the capture file in bytes
|
|
return fileAllocCapFile(lpcs, (DWORD) lParam);
|
|
|
|
// unicode and win-16 version - see ansi thunk below
|
|
case WM_CAP_FILE_SAVEAS:
|
|
// lParam points to the name of the SaveAs file
|
|
if (lParam) {
|
|
lstrcpyn (lpcs->achSaveAsFile, (LPTSTR) lParam,
|
|
NUMELMS(lpcs->achSaveAsFile));
|
|
return (fileSaveCopy(lpcs));
|
|
}
|
|
break;
|
|
|
|
#ifdef UNICODE
|
|
// ansi thunk for above
|
|
case WM_CAP_FILE_SAVEASA:
|
|
// lParam points to the name of the SaveAs file
|
|
if (lParam) {
|
|
LPWSTR pw;
|
|
int chsize;
|
|
|
|
// remember the null
|
|
chsize = lstrlenA( (LPSTR) lParam)+1;
|
|
pw = LocalAlloc(LPTR, chsize * sizeof(WCHAR));
|
|
if (pw) {
|
|
Imbstowcs(pw, (LPSTR) lParam, chsize);
|
|
dwReturn = ProcessCommandMessages(lpcs, WM_CAP_FILE_SAVEASW,
|
|
0, (LPARAM)pw);
|
|
LocalFree(pw);
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
case WM_CAP_FILE_SET_INFOCHUNK:
|
|
// wParam is not used
|
|
// lParam is an LPCAPINFOCHUNK
|
|
if (lParam) {
|
|
return (SetInfoChunk(lpcs, (LPCAPINFOCHUNK) lParam));
|
|
}
|
|
break;
|
|
|
|
// unicode and win-16 version - see ansi thunk below
|
|
case WM_CAP_FILE_SAVEDIB:
|
|
// lParam points to the name of the DIB file
|
|
if (lParam) {
|
|
if (lpcs->fOverlayWindow)
|
|
GetAFrameThenCallback (lpcs, TRUE /*fForce*/);
|
|
|
|
return (fileSaveDIB(lpcs, (LPTSTR)lParam));
|
|
}
|
|
break;
|
|
|
|
#ifdef UNICODE
|
|
// ansi thunk for above
|
|
case WM_CAP_FILE_SAVEDIBA:
|
|
if (lParam) {
|
|
LPWSTR pw;
|
|
int chsize;
|
|
|
|
if (lpcs->fOverlayWindow)
|
|
GetAFrameThenCallback (lpcs, TRUE /*fForce*/);
|
|
|
|
// remember the null
|
|
chsize = lstrlenA( (LPSTR) lParam)+1;
|
|
pw = LocalAlloc(LPTR, chsize * sizeof(WCHAR));
|
|
if (pw) {
|
|
Imbstowcs(pw, (LPSTR) lParam, chsize);
|
|
dwReturn = fileSaveDIB(lpcs, pw);
|
|
LocalFree(pw);
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
|
|
case WM_CAP_EDIT_COPY:
|
|
// Copy the current image and palette to the clipboard
|
|
// wParam and lParam unused
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (lpcs->fOverlayWindow)
|
|
GetAFrameThenCallback (lpcs, TRUE /*fForce*/);
|
|
|
|
if (lpcs->sCapDrvCaps.fCaptureInitialized && OpenClipboard (lpcs->hwnd)) {
|
|
EmptyClipboard();
|
|
|
|
// put a copy of the current palette in the clipboard
|
|
if (lpcs->hPalCurrent && lpcs->lpBitsInfo->bmiHeader.biBitCount <= 8)
|
|
SetClipboardData(CF_PALETTE, CopyPalette (lpcs->hPalCurrent));
|
|
|
|
// make a packed DIB out of the current image
|
|
if (lpcs->lpBits && lpcs->lpBitsInfo ) {
|
|
if (SetClipboardData (CF_DIB, CreatePackedDib (lpcs->lpBitsInfo,
|
|
lpcs->lpBits, lpcs->hPalCurrent)))
|
|
dwReturn = TRUE;
|
|
else
|
|
errorUpdateError (lpcs, IDS_CAP_OUTOFMEM);
|
|
}
|
|
|
|
CloseClipboard();
|
|
}
|
|
break;
|
|
|
|
case WM_CAP_SET_AUDIOFORMAT:
|
|
{
|
|
// wParam is unused
|
|
// lParam is LPWAVEFORMAT or LPWAVEFORMATEX
|
|
UINT wSize;
|
|
LPWAVEFORMATEX lpwf = (LPWAVEFORMATEX) lParam;
|
|
UINT uiError;
|
|
|
|
// Verify the waveformat is valid
|
|
uiError = waveInOpen(NULL, WAVE_MAPPER, lpwf, 0, 0L,WAVE_FORMAT_QUERY);
|
|
|
|
if (uiError) {
|
|
errorUpdateError (lpcs, IDS_CAP_WAVE_OPEN_ERROR);
|
|
return FALSE;
|
|
}
|
|
|
|
if (lpcs->lpWaveFormat)
|
|
GlobalFreePtr (lpcs->lpWaveFormat);
|
|
|
|
wSize = GetSizeOfWaveFormat (lpwf);
|
|
if (lpcs->lpWaveFormat = (LPWAVEFORMATEX)
|
|
GlobalAllocPtr (GHND, sizeof (CAPSTREAM))) {
|
|
hmemcpy (lpcs->lpWaveFormat, lpwf, (LONG) wSize);
|
|
}
|
|
dwReturn = TRUE;
|
|
}
|
|
break;
|
|
|
|
case WM_CAP_DLG_VIDEOSOURCE:
|
|
// Show the dialog which controls the video source
|
|
// NTSC vs PAL, input channel selection, etc.
|
|
// wParam and lParam are unused
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (lpcs->dwDlgsActive & VDLG_VIDEOSOURCE)
|
|
return FALSE;
|
|
if (lpcs->sCapDrvCaps.fHasDlgVideoSource) {
|
|
lpcs->dwDlgsActive |= VDLG_VIDEOSOURCE;
|
|
videoDialog (lpcs->hVideoCapture, lpcs->hwnd, 0L );
|
|
// Changing from NTSC to PAL could affect image dimensions!!!
|
|
DibGetNewFormatFromDriver (lpcs);
|
|
PalGetPaletteFromDriver (lpcs);
|
|
|
|
// May need to inform parent of new layout here!
|
|
InvalidateRect(lpcs->hwnd, NULL, TRUE);
|
|
UpdateWindow(lpcs->hwnd);
|
|
lpcs->dwDlgsActive &= ~VDLG_VIDEOSOURCE;
|
|
}
|
|
return (lpcs->sCapDrvCaps.fHasDlgVideoSource);
|
|
|
|
case WM_CAP_DLG_VIDEOFORMAT:
|
|
// Show the format dialog, user selects dimensions, depth, compression
|
|
// wParam and lParam are unused
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (lpcs->dwDlgsActive & VDLG_VIDEOFORMAT)
|
|
return FALSE;
|
|
if (lpcs->sCapDrvCaps.fHasDlgVideoFormat) {
|
|
lpcs->dwDlgsActive |= VDLG_VIDEOFORMAT;
|
|
videoDialog (lpcs->hVideoIn, lpcs->hwnd, 0L );
|
|
DibGetNewFormatFromDriver (lpcs);
|
|
PalGetPaletteFromDriver (lpcs);
|
|
|
|
// May need to inform parent of new layout here!
|
|
InvalidateRect(lpcs->hwnd, NULL, TRUE);
|
|
UpdateWindow(lpcs->hwnd);
|
|
lpcs->dwDlgsActive &= ~VDLG_VIDEOFORMAT;
|
|
}
|
|
return (lpcs->sCapDrvCaps.fHasDlgVideoFormat);
|
|
|
|
case WM_CAP_DLG_VIDEODISPLAY:
|
|
// Show the dialog which controls output.
|
|
// This dialog only affects the presentation, never the data format
|
|
// wParam and lParam are unused
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (lpcs->dwDlgsActive & VDLG_VIDEODISPLAY)
|
|
return FALSE;
|
|
if (lpcs->sCapDrvCaps.fHasDlgVideoDisplay) {
|
|
lpcs->dwDlgsActive |= VDLG_VIDEODISPLAY;
|
|
videoDialog (lpcs->hVideoDisplay, lpcs->hwnd, 0L);
|
|
lpcs->dwDlgsActive &= ~VDLG_VIDEODISPLAY;
|
|
}
|
|
return (lpcs->sCapDrvCaps.fHasDlgVideoDisplay);
|
|
|
|
case WM_CAP_DLG_VIDEOCOMPRESSION:
|
|
#ifndef NEW_COMPMAN
|
|
return FALSE;
|
|
#else
|
|
// Show the dialog which selects video compression options.
|
|
// wParam and lParam are unused
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (lpcs->dwDlgsActive & VDLG_COMPRESSION)
|
|
return FALSE;
|
|
lpcs->dwDlgsActive |= VDLG_COMPRESSION;
|
|
ICCompressorChoose(
|
|
lpcs->hwnd, // parent window for dialog
|
|
ICMF_CHOOSE_KEYFRAME, // want "key frame every" box
|
|
lpcs->lpBitsInfo, // input format (optional)
|
|
NULL, // input data (optional)
|
|
&lpcs->CompVars, // data about the compressor/dlg
|
|
NULL); // title bar (optional)
|
|
lpcs->dwDlgsActive &= ~VDLG_COMPRESSION;
|
|
return TRUE;
|
|
#endif
|
|
|
|
case WM_CAP_SET_VIDEOFORMAT:
|
|
// wParam is the size of the BITMAPINFO
|
|
// lParam is an LPBITMAPINFO
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (IsBadReadPtr ((LPVOID) lParam, (UINT) wParam))
|
|
return FALSE;
|
|
|
|
return (DibNewFormatFromApp (lpcs, (LPBITMAPINFO) lParam, (UINT) wParam));
|
|
|
|
case WM_CAP_SET_PREVIEW:
|
|
// if wParam, enable preview via drawdib
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (wParam) {
|
|
// turn off the overlay, if it is in use
|
|
if (lpcs->fOverlayWindow)
|
|
SendMessage(lpcs->hwnd, WM_CAP_SET_OVERLAY, 0, 0L);
|
|
lpcs->fLiveWindow = TRUE;
|
|
statusUpdateStatus(lpcs, IDS_CAP_STAT_LIVE_MODE);
|
|
} // endif enabling preview
|
|
else {
|
|
lpcs->fLiveWindow = FALSE;
|
|
}
|
|
InvalidateRect (lpcs->hwnd, NULL, TRUE);
|
|
return TRUE;
|
|
|
|
case WM_CAP_SET_OVERLAY:
|
|
// if wParam, enable overlay in hardware
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (wParam && lpcs->sCapDrvCaps.fHasOverlay) {
|
|
if (lpcs->fLiveWindow) // turn off preview mode
|
|
SendMessage(lpcs->hwnd, WM_CAP_SET_PREVIEW, 0, 0L);
|
|
lpcs->fOverlayWindow = TRUE;
|
|
statusUpdateStatus(lpcs, IDS_CAP_STAT_OVERLAY_MODE);
|
|
}
|
|
else {
|
|
lpcs->fOverlayWindow = FALSE;
|
|
videoStreamFini (lpcs->hVideoDisplay); // disable overlay on hardware
|
|
}
|
|
InvalidateRect (lpcs->hwnd, NULL, TRUE);
|
|
return (lpcs->sCapDrvCaps.fHasOverlay);
|
|
case WM_CAP_SET_PREVIEWRATE:
|
|
// wParam contains preview update rate in mS.
|
|
// if wParam == 0 no timer is in use.
|
|
if (lpcs->idTimer) {
|
|
KillTimer(lpcs->hwnd, ID_PREVIEWTIMER);
|
|
lpcs->idTimer = 0;
|
|
}
|
|
if (wParam != 0) {
|
|
lpcs->idTimer = SetTimer (lpcs->hwnd, ID_PREVIEWTIMER, (UINT) wParam, NULL);
|
|
}
|
|
lpcs->uTimeout = (UINT) wParam;
|
|
dwReturn = TRUE;
|
|
break;
|
|
case WM_CAP_GRAB_FRAME:
|
|
// grab a single frame
|
|
// wParam and lParam unused
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (lpcs->sCapDrvCaps.fCaptureInitialized) {
|
|
dwReturn = (DWORD) GetAFrameThenCallback (lpcs, TRUE /*fForce*/);
|
|
|
|
// disable live and overlay mode when capturing a single frame
|
|
if (lpcs->fLiveWindow)
|
|
SendMessage(lpcs->hwnd, WM_CAP_SET_PREVIEW, 0, 0L);
|
|
else if (lpcs->fOverlayWindow)
|
|
SendMessage(lpcs->hwnd, WM_CAP_SET_OVERLAY, 0, 0L);
|
|
}
|
|
break;
|
|
case WM_CAP_GRAB_FRAME_NOSTOP:
|
|
// grab a single frame, but don't change state of overlay/preview
|
|
// wParam and lParam unused
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
dwReturn = (LONG) GetAFrameThenCallback (lpcs, TRUE /*fForce*/);
|
|
break;
|
|
case WM_CAP_SEQUENCE:
|
|
// This is the main entry for streaming video capture
|
|
// wParam is unused
|
|
// lParam is unused
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (lpcs->sCapDrvCaps.fCaptureInitialized) {
|
|
lpcs->fCaptureFlags |= CAP_fCapturingToDisk;
|
|
return (AVICapture(lpcs));
|
|
}
|
|
break;
|
|
case WM_CAP_SEQUENCE_NOFILE:
|
|
// wParam is unused
|
|
// lParam is unused
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (lpcs->sCapDrvCaps.fCaptureInitialized) {
|
|
lpcs->fCaptureFlags &= ~CAP_fCapturingToDisk;
|
|
return (AVICapture(lpcs));
|
|
}
|
|
break;
|
|
case WM_CAP_SET_SEQUENCE_SETUP:
|
|
// wParam is sizeof CAPTUREPARMS
|
|
// lParam = LPCAPTUREPARMS
|
|
// The following were added after the Beta, init in case the client
|
|
// has a smaller structure and doesn't access them.
|
|
// WHICH BETA ?? (SteveDav) We should change the comment to include a date
|
|
|
|
lpcs->sCapParms.dwAudioBufferSize = 0;
|
|
lpcs->sCapParms.fDisableWriteCache = TRUE;
|
|
lpcs->sCapParms.AVStreamMaster = AVSTREAMMASTER_AUDIO;
|
|
|
|
if (wParam <= sizeof (CAPTUREPARMS)) {
|
|
dwT = min (sizeof (CAPTUREPARMS), (UINT) wParam);
|
|
if (IsBadReadPtr ((LPVOID) lParam, (UINT) dwT))
|
|
break;
|
|
|
|
_fmemcpy ((LPVOID) &lpcs->sCapParms, (LPVOID) lParam, (UINT) dwT);
|
|
|
|
// Validate stuff that isn't handled elsewhere
|
|
if (lpcs->sCapParms.wChunkGranularity != 0 &&
|
|
lpcs->sCapParms.wChunkGranularity < 16)
|
|
lpcs->sCapParms.wChunkGranularity = 16;
|
|
if (lpcs->sCapParms.wChunkGranularity > 16384)
|
|
lpcs->sCapParms.wChunkGranularity = 16384;
|
|
|
|
if (lpcs->sCapParms.fLimitEnabled && (lpcs->sCapParms.wTimeLimit == 0))
|
|
lpcs->sCapParms.wTimeLimit = 1;
|
|
|
|
// Force Step MCI off if not using MCI control
|
|
if (lpcs->sCapParms.fStepMCIDevice && !lpcs->sCapParms.fMCIControl)
|
|
lpcs->sCapParms.fStepMCIDevice = FALSE;
|
|
|
|
// Prevent audio capture if no audio hardware
|
|
lpcs->sCapParms.fCaptureAudio =
|
|
lpcs->fAudioHardware && lpcs->sCapParms.fCaptureAudio;
|
|
|
|
// Limit audio buffers
|
|
lpcs->sCapParms.wNumAudioRequested =
|
|
min (MAX_WAVE_BUFFERS, lpcs->sCapParms.wNumAudioRequested);
|
|
|
|
// Limit video buffers
|
|
lpcs->sCapParms.wNumVideoRequested =
|
|
min (MAX_VIDEO_BUFFERS, lpcs->sCapParms.wNumVideoRequested);
|
|
|
|
dwReturn = TRUE;
|
|
}
|
|
break;
|
|
|
|
// unicode and win-16 version - see ansi thunk below
|
|
case WM_CAP_SET_MCI_DEVICE:
|
|
// lParam points to the name of the MCI Device
|
|
if (IsBadStringPtr ((LPVOID) lParam, 1))
|
|
return FALSE;
|
|
if (lParam) {
|
|
lstrcpyn (lpcs->achMCIDevice, (LPTSTR) lParam, NUMELMS(lpcs->achMCIDevice));
|
|
dwReturn = TRUE;
|
|
}
|
|
break;
|
|
#ifdef UNICODE
|
|
// ansi thunk for above
|
|
case WM_CAP_SET_MCI_DEVICEA:
|
|
// lParam points to Ansi name of MCI device
|
|
if (lParam) {
|
|
//remember the null
|
|
int chsize = lstrlenA( (LPSTR) lParam)+1;
|
|
Imbstowcs(lpcs->achMCIDevice, (LPSTR) lParam,
|
|
min(chsize, NUMELMS(lpcs->achMCIDevice)));
|
|
dwReturn = TRUE;
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
|
|
case WM_CAP_SET_SCROLL:
|
|
// lParam is an LPPOINT which points to the new scroll position
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (IsBadReadPtr ((LPVOID) lParam, sizeof (POINT)))
|
|
return FALSE;
|
|
|
|
{
|
|
LPPOINT lpP = (LPPOINT) lParam;
|
|
|
|
if (lpP->x < lpcs->dxBits && lpP->y < lpcs->dyBits) {
|
|
lpcs->ptScroll = *lpP;
|
|
InvalidateRect (lpcs->hwnd, NULL, TRUE);
|
|
dwReturn = TRUE;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WM_CAP_SET_SCALE:
|
|
// if wParam, Scale the window to the client region?
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
lpcs->fScale = (BOOL) wParam;
|
|
return TRUE;
|
|
|
|
// unicode and win-16 version - see ansi thunk below
|
|
case WM_CAP_PAL_OPEN:
|
|
// Open a new palette
|
|
// wParam is unused
|
|
// lParam contains an LPTSTR to the file
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (IsBadStringPtr ((LPVOID) lParam, 1))
|
|
return FALSE;
|
|
return fileOpenPalette(lpcs, (LPTSTR) lParam /*lpszFileName*/);
|
|
#ifdef UNICODE
|
|
// ansi thunk for above
|
|
case WM_CAP_PAL_OPENA:
|
|
// lParam contains (ANSI) lpstr for filename
|
|
if (lParam) {
|
|
// remember the null
|
|
int chsize = lstrlenA( (LPSTR) lParam)+1;
|
|
LPWSTR pw = LocalAlloc(LPTR, chsize * sizeof(WCHAR));
|
|
if (pw) {
|
|
Imbstowcs(pw, (LPSTR) lParam, chsize);
|
|
dwReturn = fileOpenPalette(lpcs, pw);
|
|
LocalFree(pw);
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
// unicode and win-16 version - see ansi thunk below
|
|
case WM_CAP_PAL_SAVE:
|
|
// Save the current palette in a file
|
|
// wParam is unused
|
|
// lParam contains an LPTSTR to the file
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (IsBadStringPtr ((LPVOID) lParam, 1))
|
|
return FALSE;
|
|
return fileSavePalette(lpcs, (LPTSTR) lParam /*lpszFileName*/);
|
|
#ifdef UNICODE
|
|
// ansi thunk for above
|
|
case WM_CAP_PAL_SAVEA:
|
|
// lParam contains (ANSI) lpstr for filename
|
|
if (lParam) {
|
|
// remember the null
|
|
int chsize = lstrlenA( (LPSTR) lParam)+1;
|
|
LPWSTR pw = LocalAlloc(LPTR, chsize * sizeof(WCHAR));
|
|
if (pw) {
|
|
Imbstowcs(pw, (LPSTR) lParam, chsize);
|
|
dwReturn = fileSavePalette(lpcs, pw);
|
|
LocalFree(pw);
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
|
|
case WM_CAP_PAL_AUTOCREATE:
|
|
// Automatically capture a palette
|
|
// wParam contains a count of the number of frames to average
|
|
// lParam contains the number of colors desired in the palette
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
return CapturePaletteAuto (lpcs, (int) wParam, (int) lParam);
|
|
|
|
case WM_CAP_PAL_MANUALCREATE:
|
|
// Manually capture a palette
|
|
// wParam contains TRUE for each frame to capture, FALSE when done
|
|
// lParam contains the number of colors desired in the palette
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
return CapturePaletteManual (lpcs, (BOOL) wParam, (int) lParam);
|
|
|
|
case WM_CAP_PAL_PASTE:
|
|
// Paste a palette from the clipboard, send to the driver
|
|
if (!lpcs->fHardwareConnected)
|
|
return FALSE;
|
|
if (lpcs->sCapDrvCaps.fCaptureInitialized && OpenClipboard(lpcs->hwnd)) {
|
|
HANDLE hPal;
|
|
|
|
hPal = GetClipboardData(CF_PALETTE);
|
|
CloseClipboard();
|
|
if (hPal) {
|
|
PalSendPaletteToDriver (lpcs, CopyPalette(hPal), NULL /* XlateTable */);
|
|
InvalidateRect(lpcs->hwnd, NULL, TRUE);
|
|
dwReturn = TRUE;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return dwReturn;
|
|
}
|
|
|
|
|
|
/*-----+
|
|
| **** THE WINDOW PROCEDURE ******* |
|
|
+-----*/
|
|
LRESULT FAR PASCAL LOADDS EXPORT CapWndProc (HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
LPCAPSTREAM lpcs;
|
|
PAINTSTRUCT ps;
|
|
HDC hdc;
|
|
MSG PMsg;
|
|
int f;
|
|
|
|
lpcs = (LPCAPSTREAM) GetWindowLongPtr (hwnd, GWL_CAPSTREAM);
|
|
|
|
if (msg >= WM_CAP_START && msg <= WM_CAP_END)
|
|
return (ProcessCommandMessages (lpcs, msg, wParam, lParam));
|
|
|
|
switch (msg) {
|
|
|
|
case WM_CREATE:
|
|
lpcs = CapWinCreate (hwnd);
|
|
break;
|
|
|
|
case WM_TIMER:
|
|
// Update the preview window if we got a timer and not saving to disk
|
|
GetAFrameThenCallback (lpcs, FALSE /*fForce*/);
|
|
|
|
// Added VFW 1.1b, Clear the queue of additional timer msgs!!!
|
|
|
|
// Even in Win32, processing frame timers can swamp all other
|
|
// activity in the app, so clear the queue after each frame is done.
|
|
|
|
// This successfully corrected a problem with the "Hit OK to continue"
|
|
// dialog not appearing bug due to app message queue
|
|
// swamping with timer messages at large
|
|
// image dimensions and preview rates.
|
|
|
|
PeekMessage (&PMsg, hwnd, WM_TIMER, WM_TIMER,PM_REMOVE|PM_NOYIELD);
|
|
break;
|
|
|
|
case WM_CLOSE:
|
|
break;
|
|
|
|
case WM_DESTROY:
|
|
CapWinDestroy (lpcs);
|
|
break;
|
|
|
|
case WM_PALETTECHANGED:
|
|
if (lpcs->hdd == NULL)
|
|
break;
|
|
|
|
hdc = GetDC(hwnd);
|
|
if (f = DrawDibRealize(lpcs->hdd, hdc, TRUE /*fBackground*/))
|
|
InvalidateRect(hwnd,NULL,TRUE);
|
|
ReleaseDC(hwnd,hdc);
|
|
return f;
|
|
|
|
case WM_QUERYNEWPALETTE:
|
|
if (lpcs->hdd == NULL)
|
|
break;
|
|
hdc = GetDC(hwnd);
|
|
f = DrawDibRealize(lpcs->hdd, hdc, FALSE);
|
|
ReleaseDC(hwnd, hdc);
|
|
|
|
if (f)
|
|
InvalidateRect(hwnd, NULL, TRUE);
|
|
return f;
|
|
|
|
case WM_SIZE:
|
|
case WM_MOVE:
|
|
if (lpcs->fOverlayWindow) // Make the driver paint the key color
|
|
InvalidateRect(hwnd, NULL, TRUE);
|
|
break;
|
|
|
|
case WM_WINDOWPOSCHANGED:
|
|
if (lpcs->fOverlayWindow) // Make the driver paint the key color
|
|
InvalidateRect(hwnd, NULL, TRUE);
|
|
return 0;
|
|
|
|
case WM_ERASEBKGND:
|
|
return 0; // don't bother to erase it
|
|
|
|
case WM_PAINT:
|
|
hdc = BeginPaint(hwnd, &ps);
|
|
if (lpcs->fOverlayWindow) {
|
|
CheckWindowMove(lpcs, ps.hdc, TRUE);
|
|
}
|
|
else {
|
|
#ifdef _WIN32
|
|
SetWindowOrgEx(hdc, lpcs->ptScroll.x, lpcs->ptScroll.y, NULL);
|
|
#else
|
|
SetWindowOrg(hdc, lpcs->ptScroll.x, lpcs->ptScroll.y);
|
|
#endif
|
|
DibPaint(lpcs, hdc);
|
|
}
|
|
EndPaint(hwnd, &ps);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return DefWindowProc(hwnd, msg, wParam, lParam);
|
|
}
|
|
|
|
#if 0
|
|
void dummyTest ()
|
|
{
|
|
HWND hwnd;
|
|
FARPROC fpProc;
|
|
DWORD dwSize;
|
|
WORD wSize;
|
|
BOOL f;
|
|
int i;
|
|
char szName[80];
|
|
char szVer[80];
|
|
DWORD dwMS;
|
|
int iFrames, iColors;
|
|
char s;
|
|
LPPOINT lpP;
|
|
|
|
capSetCallbackOnError(hwnd, fpProc);
|
|
capSetCallbackOnStatus(hwnd, fpProc);
|
|
capSetCallbackOnYield(hwnd, fpProc);
|
|
capSetCallbackOnFrame(hwnd, fpProc);
|
|
capSetCallbackOnVideoStream(hwnd, fpProc);
|
|
capSetCallbackOnWaveStream(hwnd, fpProc);
|
|
|
|
capDriverConnect(hwnd, i);
|
|
capDriverDisconnect(hwnd);
|
|
capDriverGetName(hwnd, szName, wSize);
|
|
capDriverGetVersion(hwnd, szVer, wSize);
|
|
capDriverGetCaps(hwnd, s, wSize);
|
|
|
|
capFileSetCaptureFile(hwnd, szName);
|
|
capFileGetCaptureFile(hwnd, szName, wSize);
|
|
capFileAlloc(hwnd, dwSize);
|
|
capFileSaveAs(hwnd, szName);
|
|
|
|
capEditCopy(hwnd);
|
|
|
|
capSetAudioFormat(hwnd, s, wSize);
|
|
capGetAudioFormat(hwnd, s, wSize);
|
|
capGetAudioFormatSize(hwnd);
|
|
|
|
capDlgVideoFormat(hwnd);
|
|
capDlgVideoSource(hwnd);
|
|
capDlgVideoDisplay(hwnd);
|
|
|
|
capPreview(hwnd, f);
|
|
capPreviewRate(hwnd, dwMS);
|
|
capOverlay(hwnd, f);
|
|
capPreviewScale(hwnd, f);
|
|
capGetStatus(hwnd, s, wSize);
|
|
capSetScrollPos(hwnd, lpP);
|
|
|
|
capGrabFrame(hwnd);
|
|
capGrabFrameNoStop(hwnd);
|
|
capCaptureSequence(hwnd);
|
|
capCaptureSequenceNoFile(hwnd);
|
|
capCaptureGetSetup(hwnd, s, wSize);
|
|
capCaptureSetSetup(hwnd, s, wSize);
|
|
|
|
capCaptureSingleFrameOpen(hwnd);
|
|
capCaptureSingleFrameClose(hwnd);
|
|
capCaptureSingleFrame(hwnd);
|
|
|
|
capSetMCIDeviceName(hwnd, szName);
|
|
capGetMCIDeviceName(hwnd, szName, wSize);
|
|
|
|
capPalettePaste(hwnd);
|
|
capPaletteAuto(hwnd, iFrames, iColors);
|
|
}
|
|
|
|
#endif
|