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![Michael Müller](/assets/img/avatar_default.png)
Signed-off-by: Vijay Kiran Kamuju <infyquest@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
234 lines
7 KiB
C
234 lines
7 KiB
C
/*
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* Wrapper for 16 bit avifile functions
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*
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* Copyright 2016 Michael Müller
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "wine/winbase16.h"
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#include "winternl.h"
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#include "wingdi.h"
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#include "vfw.h"
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typedef struct _AVISTREAMINFO16 {
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DWORD fccType;
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DWORD fccHandler;
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DWORD dwFlags;
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DWORD dwCaps;
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WORD wPriority;
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WORD wLanguage;
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DWORD dwScale;
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DWORD dwRate;
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DWORD dwStart;
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DWORD dwLength;
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DWORD dwInitialFrames;
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DWORD dwSuggestedBufferSize;
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DWORD dwQuality;
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DWORD dwSampleSize;
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RECT16 rcFrame;
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DWORD dwEditCount;
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DWORD dwFormatChangeCount;
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CHAR szName[64];
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} AVISTREAMINFO16, *LPAVISTREAMINFO16, *PAVISTREAMINFO16;
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struct frame_wrapper16
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{
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PGETFRAME pg;
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PVOID ptr;
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DWORD size;
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WORD sel;
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WORD count;
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};
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static void free_segptr_frame(struct frame_wrapper16 *wrapper)
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{
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int i;
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if (!wrapper->sel)
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return;
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for (i = 0; i < wrapper->count; i++)
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FreeSelector16(wrapper->sel + (i << __AHSHIFT));
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wrapper->sel = 0;
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}
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static SEGPTR alloc_segptr_frame(struct frame_wrapper16 *wrapper, void *ptr, DWORD size)
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{
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int i;
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if (wrapper->sel)
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{
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if (wrapper->ptr == ptr && wrapper->size == size)
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return MAKESEGPTR(wrapper->sel, 0);
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free_segptr_frame(wrapper);
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}
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wrapper->ptr = ptr;
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wrapper->size = size;
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wrapper->count = (size + 0xffff) / 0x10000;
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wrapper->sel = AllocSelectorArray16(wrapper->count);
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if (!wrapper->sel)
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return 0;
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for (i = 0; i < wrapper->count; i++)
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{
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SetSelectorBase(wrapper->sel + (i << __AHSHIFT), (DWORD)ptr + i * 0x10000);
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SetSelectorLimit16(wrapper->sel + (i << __AHSHIFT), size - 1);
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size -= 0x10000;
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}
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return MAKESEGPTR(wrapper->sel, 0);
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}
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/***********************************************************************
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* AVIStreamGetFrameOpen (AVIFILE.112)
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*/
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PGETFRAME WINAPI AVIStreamGetFrameOpen16(PAVISTREAM pstream, LPBITMAPINFOHEADER lpbiWanted)
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{
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struct frame_wrapper16 *wrapper;
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PGETFRAME pg;
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pg = AVIStreamGetFrameOpen(pstream, lpbiWanted);
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if (!pg) return NULL;
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wrapper = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*wrapper));
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if (!wrapper)
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{
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AVIStreamGetFrameClose(pg);
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return NULL;
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}
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wrapper->pg = pg;
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return (PGETFRAME)wrapper;
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}
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/***********************************************************************
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* AVIStreamGetFrame (AVIFILE.110)
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*/
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SEGPTR WINAPI AVIStreamGetFrame16(PGETFRAME pg, LONG pos)
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{
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struct frame_wrapper16 *wrapper = (void *)pg;
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BITMAPINFOHEADER *bih;
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if (!pg) return 0;
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bih = AVIStreamGetFrame(wrapper->pg, pos);
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if (bih)
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{
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DWORD size = bih->biSize + bih->biSizeImage;
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return alloc_segptr_frame(wrapper, bih, size);
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}
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return 0;
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}
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/***********************************************************************
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* AVIStreamGetFrameClose (AVIFILE.111)
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*/
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HRESULT WINAPI AVIStreamGetFrameClose16(PGETFRAME pg)
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{
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struct frame_wrapper16 *wrapper = (void *)pg;
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HRESULT hr;
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if (!pg) return S_OK;
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hr = AVIStreamGetFrameClose(wrapper->pg);
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free_segptr_frame(wrapper);
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HeapFree(GetProcessHeap(), 0, wrapper);
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return hr;
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}
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/***********************************************************************
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* AVIFileCreateStream (AVIFILE.144)
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*/
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HRESULT WINAPI AVIFileCreateStream16(PAVIFILE pfile, PAVISTREAM *ppavi, LPAVISTREAMINFO16 asi16)
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{
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AVISTREAMINFOA asi;
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if (!asi16)
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return AVIFileCreateStreamA(pfile, ppavi, NULL);
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asi.fccType = asi16->fccType;
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asi.fccHandler = asi16->fccHandler;
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asi.dwFlags = asi16->dwFlags;
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asi.dwCaps = asi16->dwCaps;
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asi.wPriority = asi16->wPriority;
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asi.wLanguage = asi16->wLanguage;
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asi.dwScale = asi16->dwScale;
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asi.dwRate = asi16->dwRate;
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asi.dwStart = asi16->dwStart;
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asi.dwLength = asi16->dwLength;
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asi.dwInitialFrames = asi16->dwInitialFrames;
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asi.dwSuggestedBufferSize = asi16->dwSuggestedBufferSize;
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asi.dwQuality = asi16->dwQuality;
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asi.dwSampleSize = asi16->dwSampleSize;
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asi.rcFrame.left = asi16->rcFrame.left;
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asi.rcFrame.top = asi16->rcFrame.top;
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asi.rcFrame.right = asi16->rcFrame.right;
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asi.rcFrame.bottom = asi16->rcFrame.bottom;
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asi.dwEditCount = asi16->dwEditCount;
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asi.dwFormatChangeCount = asi16->dwFormatChangeCount;
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strcpy( asi.szName, asi16->szName );
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return AVIFileCreateStreamA(pfile, ppavi, &asi);
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}
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/***********************************************************************
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* AVIStreamInfo (AVIFILE.162)
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*/
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HRESULT WINAPI AVIStreamInfo16(PAVISTREAM pstream, LPAVISTREAMINFO16 asi16, LONG size)
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{
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AVISTREAMINFOA asi;
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HRESULT hr;
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if (!asi16)
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return AVIStreamInfoA(pstream, NULL, size);
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if (size < sizeof(AVISTREAMINFO16))
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return AVIERR_BADSIZE;
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hr = AVIStreamInfoA(pstream, &asi, sizeof(asi));
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if (SUCCEEDED(hr))
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{
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asi16->fccType = asi.fccType;
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asi16->fccHandler = asi.fccHandler;
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asi16->dwFlags = asi.dwFlags;
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asi16->dwCaps = asi.dwCaps;
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asi16->wPriority = asi.wPriority;
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asi16->wLanguage = asi.wLanguage;
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asi16->dwScale = asi.dwScale;
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asi16->dwRate = asi.dwRate;
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asi16->dwStart = asi.dwStart;
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asi16->dwLength = asi.dwLength;
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asi16->dwInitialFrames = asi.dwInitialFrames;
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asi16->dwSuggestedBufferSize = asi.dwSuggestedBufferSize;
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asi16->dwQuality = asi.dwQuality;
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asi16->dwSampleSize = asi.dwSampleSize;
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asi16->rcFrame.left = asi.rcFrame.left;
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asi16->rcFrame.top = asi.rcFrame.top;
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asi16->rcFrame.right = asi.rcFrame.right;
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asi16->rcFrame.bottom = asi.rcFrame.bottom;
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asi16->dwEditCount = asi.dwEditCount;
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asi16->dwFormatChangeCount = asi.dwFormatChangeCount;
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strcpy( asi16->szName, asi.szName );
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}
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return hr;
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}
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