414 lines
10 KiB
C
414 lines
10 KiB
C
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/*
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* Copyright 2001 Hidenori TAKESHIMA <hidenori@a2.ctktv.ne.jp>
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*
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* FIXME - implements color space(depth) converter.
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*/
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#include <string.h>
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#include <stdio.h>
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#include <assert.h>
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#include "winbase.h"
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#include "winnls.h"
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#include "mmsystem.h"
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#include "winerror.h"
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#include "vfw.h"
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#include "debugtools.h"
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#include "avifile_private.h"
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DEFAULT_DEBUG_CHANNEL(avifile);
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static HRESULT WINAPI IGetFrame_fnQueryInterface(IGetFrame* iface,REFIID refiid,LPVOID *obj);
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static ULONG WINAPI IGetFrame_fnAddRef(IGetFrame* iface);
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static ULONG WINAPI IGetFrame_fnRelease(IGetFrame* iface);
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static LPVOID WINAPI IGetFrame_fnGetFrame(IGetFrame* iface,LONG lPos);
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static HRESULT WINAPI IGetFrame_fnBegin(IGetFrame* iface,LONG lStart,LONG lEnd,LONG lRate);
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static HRESULT WINAPI IGetFrame_fnEnd(IGetFrame* iface);
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static HRESULT WINAPI IGetFrame_fnSetFormat(IGetFrame* iface,LPBITMAPINFOHEADER lpbi,LPVOID lpBits,INT x,INT y,INT dx,INT dy);
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struct ICOM_VTABLE(IGetFrame) igetfrm = {
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ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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IGetFrame_fnQueryInterface,
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IGetFrame_fnAddRef,
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IGetFrame_fnRelease,
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IGetFrame_fnGetFrame,
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IGetFrame_fnBegin,
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IGetFrame_fnEnd,
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IGetFrame_fnSetFormat,
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};
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typedef struct IGetFrameImpl
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{
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ICOM_VFIELD(IGetFrame);
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/* IUnknown stuff */
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DWORD ref;
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/* IGetFrame stuff */
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IAVIStream* pas;
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HIC hIC;
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LONG lCachedFrame;
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BITMAPINFO* pbiICIn;
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BITMAPINFO* pbiICOut;
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LPVOID pvICOutBits;
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LPVOID pvICInFmtBuf;
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DWORD dwICInDataBufSize;
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LPVOID pvICInDataBuf;
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LPVOID pvICOutBuf;
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} IGetFrameImpl;
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static HRESULT IGetFrame_Construct( IGetFrameImpl* This,
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IAVIStream* pstr,
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LPBITMAPINFOHEADER lpbi );
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static void IGetFrame_Destruct( IGetFrameImpl* This );
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static LPVOID AVIFILE_IGetFrame_DecodeFrame(IGetFrameImpl* This,LONG lPos)
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{
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HRESULT hr;
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DWORD dwRes;
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LONG lFrameLength;
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LONG lSampleCount;
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ICDECOMPRESS icd;
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if ( This->hIC == (HIC)NULL )
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return NULL;
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hr = IAVIStream_Read(This->pas,lPos,1,NULL,0,
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&lFrameLength,&lSampleCount);
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if ( hr != S_OK || lSampleCount <= 0 )
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{
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FIXME( "IAVIStream_Read failed! res = %08lx\n", hr );
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return NULL;
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}
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TRACE( "frame length = %ld\n", lFrameLength );
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if ( This->dwICInDataBufSize < lFrameLength )
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{
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LPVOID lpv;
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if ( This->pvICInDataBuf == NULL )
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{
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lpv = HeapAlloc(
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AVIFILE_data.hHeap,HEAP_ZERO_MEMORY,
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lFrameLength );
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}
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else
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{
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lpv = HeapReAlloc(
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AVIFILE_data.hHeap,HEAP_ZERO_MEMORY,
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This->pvICInDataBuf,lFrameLength );
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}
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if ( lpv == NULL )
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{
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ERR( "out of memory!\n" );
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return NULL;
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}
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This->pvICInDataBuf = lpv;
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This->dwICInDataBufSize = lFrameLength;
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}
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hr = IAVIStream_Read(This->pas,lPos,1,
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This->pvICInDataBuf,This->dwICInDataBufSize,
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&lFrameLength,&lSampleCount);
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if ( hr != S_OK || lSampleCount <= 0 )
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{
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FIXME( "IAVIStream_Read to buffer failed! res = %08lx\n", hr );
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return NULL;
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}
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This->pbiICIn->bmiHeader.biSizeImage = lFrameLength;
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TRACE( "call ICM_DECOMPRESS\n" );
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icd.dwFlags = (*(BYTE*)This->pvICInDataBuf) == 'c' ?
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ICDECOMPRESS_NOTKEYFRAME : 0;
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icd.lpbiInput = &This->pbiICIn->bmiHeader;
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icd.lpInput = (BYTE*)This->pvICInDataBuf + 8;
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icd.lpbiOutput = &This->pbiICOut->bmiHeader;
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icd.lpOutput = This->pvICOutBits;
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icd.ckid = *((DWORD*)This->pvICInDataBuf);
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dwRes = ICSendMessage(This->hIC,ICM_DECOMPRESS,
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(DWORD)(&icd),sizeof(ICDECOMPRESS) );
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TRACE( "returned from ICM_DECOMPRESS\n" );
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if ( dwRes != ICERR_OK )
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{
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ERR( "ICDecompress failed!\n" );
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return NULL;
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}
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This->lCachedFrame = lPos;
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return This->pvICOutBits;
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}
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/****************************************************************************/
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HRESULT AVIFILE_CreateIGetFrame(void** ppobj,
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IAVIStream* pstr,LPBITMAPINFOHEADER lpbi)
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{
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IGetFrameImpl *This;
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HRESULT hr;
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*ppobj = NULL;
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This = (IGetFrameImpl*)HeapAlloc(AVIFILE_data.hHeap,HEAP_ZERO_MEMORY,
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sizeof(IGetFrameImpl));
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This->ref = 1;
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ICOM_VTBL(This) = &igetfrm;
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hr = IGetFrame_Construct( This, pstr, lpbi );
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if ( hr != S_OK )
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{
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IGetFrame_Destruct( This );
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return hr;
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}
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*ppobj = (LPVOID)This;
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return S_OK;
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}
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/****************************************************************************
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* IUnknown interface
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*/
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static HRESULT WINAPI IGetFrame_fnQueryInterface(IGetFrame* iface,REFIID refiid,LPVOID *obj)
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{
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ICOM_THIS(IGetFrameImpl,iface);
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TRACE("(%p)->QueryInterface(%s,%p)\n",This,debugstr_guid(refiid),obj);
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if ( IsEqualGUID(&IID_IUnknown,refiid) ||
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IsEqualGUID(&IID_IGetFrame,refiid) )
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{
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IGetFrame_AddRef(iface);
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*obj = iface;
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return S_OK;
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}
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return OLE_E_ENUM_NOMORE;
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}
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static ULONG WINAPI IGetFrame_fnAddRef(IGetFrame* iface)
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{
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ICOM_THIS(IGetFrameImpl,iface);
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TRACE("(%p)->AddRef()\n",iface);
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return ++(This->ref);
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}
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static ULONG WINAPI IGetFrame_fnRelease(IGetFrame* iface)
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{
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ICOM_THIS(IGetFrameImpl,iface);
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TRACE("(%p)->Release()\n",iface);
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if ((--(This->ref)) > 0 )
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return This->ref;
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IGetFrame_Destruct(This);
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if ( This->pas != NULL )
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IAVIStream_Release( This->pas );
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HeapFree(AVIFILE_data.hHeap,0,iface);
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return 0;
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}
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/****************************************************************************
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* IGetFrrame interface
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*/
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static LPVOID WINAPI IGetFrame_fnGetFrame(IGetFrame* iface,LONG lPos)
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{
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ICOM_THIS(IGetFrameImpl,iface);
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LPVOID lpv;
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LONG lKeyFrame;
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TRACE( "(%p)->(%ld)\n", This, lPos );
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if ( lPos < 0 )
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return NULL;
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if ( This->lCachedFrame == lPos )
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return This->pvICOutBits;
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if ( (This->lCachedFrame+1) != lPos )
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{
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lKeyFrame = IAVIStream_FindSample( This->pas, lPos,
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FIND_KEY | FIND_PREV );
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if ( lKeyFrame < 0 || lKeyFrame > lPos )
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return NULL;
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while ( ++lKeyFrame < lPos )
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{
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lpv = AVIFILE_IGetFrame_DecodeFrame(This, lKeyFrame);
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if ( lpv == NULL )
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return NULL;
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}
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}
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lpv = AVIFILE_IGetFrame_DecodeFrame(This, lPos);
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TRACE( "lpv = %p\n",lpv );
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if ( lpv == NULL )
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return NULL;
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return lpv;
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}
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static HRESULT WINAPI IGetFrame_fnBegin(IGetFrame* iface,LONG lStart,LONG lEnd,LONG lRate)
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{
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ICOM_THIS(IGetFrameImpl,iface);
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TRACE( "(%p)->(%ld,%ld,%ld)\n", This, lStart, lEnd, lRate );
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if ( This->hIC == (HIC)NULL )
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return E_UNEXPECTED;
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if ( ICDecompressBegin( This->hIC,
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This->pbiICIn,
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This->pbiICOut ) != ICERR_OK )
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return E_FAIL;
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return S_OK;
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}
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static HRESULT WINAPI IGetFrame_fnEnd(IGetFrame* iface)
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{
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ICOM_THIS(IGetFrameImpl,iface);
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TRACE( "(%p)->()\n", This );
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if ( This->hIC == (HIC)NULL )
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return E_UNEXPECTED;
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if ( ICDecompressEnd( This->hIC ) != ICERR_OK )
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return E_FAIL;
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return S_OK;
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}
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static HRESULT WINAPI IGetFrame_fnSetFormat(IGetFrame* iface,LPBITMAPINFOHEADER lpbi,LPVOID lpBits,INT x,INT y,INT dx,INT dy)
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{
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ICOM_THIS(IGetFrameImpl,iface);
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HRESULT hr;
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LONG fmtlen;
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BITMAPINFOHEADER biTemp;
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DWORD dwSizeImage;
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FIXME( "(%p)->(%p,%p,%d,%d,%d,%d)\n",This,lpbi,lpBits,x,y,dx,dy );
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IGetFrame_Destruct(This);
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hr = IAVIStream_ReadFormat(This->pas,0,NULL,&fmtlen);
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if ( hr != S_OK )
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return hr;
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This->pvICInFmtBuf = HeapAlloc(
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AVIFILE_data.hHeap,HEAP_ZERO_MEMORY,fmtlen);
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if ( This->pvICInFmtBuf == NULL )
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return AVIERR_MEMORY;
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hr = IAVIStream_ReadFormat(This->pas,0,This->pvICInFmtBuf,&fmtlen);
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if ( hr != S_OK )
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return hr;
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This->pbiICIn = (LPBITMAPINFO)This->pvICInFmtBuf;
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This->hIC = (HIC)ICOpen( ICTYPE_VIDEO,
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This->pbiICIn->bmiHeader.biCompression,
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ICMODE_DECOMPRESS );
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if ( This->hIC == (HIC)NULL )
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{
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ERR( "no AVI decompressor for %c%c%c%c.\n",
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(int)(This->pbiICIn->bmiHeader.biCompression>> 0)&0xff,
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(int)(This->pbiICIn->bmiHeader.biCompression>> 8)&0xff,
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(int)(This->pbiICIn->bmiHeader.biCompression>>16)&0xff,
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(int)(This->pbiICIn->bmiHeader.biCompression>>24)&0xff );
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return E_FAIL;
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}
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if ( lpbi == NULL || lpbi == ((LPBITMAPINFOHEADER)1) )
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{
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memset( &biTemp, 0, sizeof(biTemp) );
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biTemp.biSize = sizeof(BITMAPINFOHEADER);
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biTemp.biWidth = This->pbiICIn->bmiHeader.biWidth;
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biTemp.biHeight = This->pbiICIn->bmiHeader.biHeight;
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biTemp.biPlanes = 1;
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biTemp.biBitCount = 24;
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biTemp.biCompression = 0;
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lpbi = &biTemp;
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}
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if ( lpbi->biPlanes != 1 || lpbi->biCompression != 0 )
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return E_FAIL;
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dwSizeImage =
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((This->pbiICIn->bmiHeader.biWidth*lpbi->biBitCount+7)/8)*
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This->pbiICIn->bmiHeader.biHeight;
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This->pvICOutBuf = HeapAlloc(
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AVIFILE_data.hHeap,HEAP_ZERO_MEMORY,
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(sizeof(BITMAPINFO)+sizeof(RGBQUAD)*256)*2+
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dwSizeImage );
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if ( This->pvICOutBuf == NULL )
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return AVIERR_MEMORY;
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This->pbiICOut = (BITMAPINFO*)This->pvICOutBuf;
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This->pvICOutBits = (LPVOID)( (BYTE*)This->pvICOutBuf +
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sizeof(BITMAPINFO) + sizeof(RGBQUAD)*256 );
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This->pbiICOut->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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This->pbiICOut->bmiHeader.biWidth = This->pbiICIn->bmiHeader.biWidth;
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This->pbiICOut->bmiHeader.biHeight = This->pbiICIn->bmiHeader.biHeight;
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This->pbiICOut->bmiHeader.biPlanes = 1;
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This->pbiICOut->bmiHeader.biBitCount = lpbi->biBitCount;
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This->pbiICOut->bmiHeader.biSizeImage = dwSizeImage;
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memcpy( This->pvICOutBits, This->pbiICOut, sizeof(BITMAPINFOHEADER) );
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return S_OK;
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}
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static HRESULT IGetFrame_Construct( IGetFrameImpl* This,
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IAVIStream* pstr,
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LPBITMAPINFOHEADER lpbi )
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{
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HRESULT hr;
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TRACE( "(%p)->(%p,%p)\n",This,pstr,lpbi );
|
||
|
|
|
||
|
|
IAVIStream_AddRef( pstr );
|
||
|
|
This->pas = pstr;
|
||
|
|
This->hIC = (HIC)NULL;
|
||
|
|
This->lCachedFrame = -1L;
|
||
|
|
This->pbiICIn = NULL;
|
||
|
|
This->pbiICOut = NULL;
|
||
|
|
This->pvICInFmtBuf = NULL;
|
||
|
|
This->pvICInDataBuf = NULL;
|
||
|
|
This->dwICInDataBufSize = 0;
|
||
|
|
This->pvICOutBuf = NULL;
|
||
|
|
|
||
|
|
hr = IGetFrame_SetFormat((IGetFrame*)This,lpbi,NULL,0,0,0,0);
|
||
|
|
if ( hr != S_OK )
|
||
|
|
return hr;
|
||
|
|
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void IGetFrame_Destruct( IGetFrameImpl* This )
|
||
|
|
{
|
||
|
|
if ( This->hIC != (HIC)NULL )
|
||
|
|
{
|
||
|
|
ICClose( This->hIC );
|
||
|
|
This->hIC = (HIC)NULL;
|
||
|
|
}
|
||
|
|
if ( This->pvICInFmtBuf != NULL )
|
||
|
|
{
|
||
|
|
HeapFree( AVIFILE_data.hHeap, 0, This->pvICInFmtBuf );
|
||
|
|
This->pvICInFmtBuf = NULL;
|
||
|
|
}
|
||
|
|
if ( This->pvICInDataBuf != NULL )
|
||
|
|
{
|
||
|
|
HeapFree( AVIFILE_data.hHeap, 0, This->pvICInDataBuf );
|
||
|
|
This->pvICInDataBuf = NULL;
|
||
|
|
}
|
||
|
|
if ( This->pvICOutBuf != NULL )
|
||
|
|
{
|
||
|
|
HeapFree( AVIFILE_data.hHeap, 0, This->pvICOutBuf );
|
||
|
|
This->pvICOutBuf = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
This->lCachedFrame = -1L;
|
||
|
|
This->pbiICIn = NULL;
|
||
|
|
This->pbiICOut = NULL;
|
||
|
|
This->dwICInDataBufSize = 0;
|
||
|
|
}
|