563 lines
18 KiB
C
563 lines
18 KiB
C
/*
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* AVIOPTS.C
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* routine for bringing up the compression options dialog
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* AVISaveOptions()
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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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#include <win32.h>
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#include <mmreg.h>
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#include <msacm.h>
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#include <vfw.h>
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#include "aviopts.h"
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#include "avifile.rc"
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#if !defined NUMELMS
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#define NUMELMS(aa) (sizeof(aa)/sizeof((aa)[0]))
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#endif
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/*
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*/
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extern HINSTANCE ghMod;
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LONG FAR PASCAL _export AVICompressOptionsDlgProc(HWND hwnd, unsigned msg, WPARAM wParam, LONG lParam);
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/*
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*/
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int gnNumStreams = 0; // how many streams in array
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int gnCurStream = 0; // which stream's options we're setting
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PAVISTREAM FAR *gapAVI; // array of stream pointers
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LPAVICOMPRESSOPTIONS FAR *gapOpt; // array of option structures to fill
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UINT guiFlags;
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COMPVARS gCompVars; // for ICCompressorChoose
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/*
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*/
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/*
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* @doc EXTERNAL AVISaveOptions
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* @api BOOL | AVISaveOptions | This function gets the save options for
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* a file and returns them in a buffer.
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* @parm HWND | hwnd | Specifies the parent window handle for the Compression Options
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* dialog box.
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* @parm UINT | uiFlags | Specifies the flags for displaying the
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* Compression Options dialog box. The following flags are defined:
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* @flag ICMF_CHOOSE_KEYFRAME | Displays a "Key frame every" box for
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* the video options. This is the same flag used in <f ICCompressorChoose>.
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* @flag ICMF_CHOOSE_DATARATE | Displays a "Data rate" box for the video
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* options. This is the same flag used in <f ICCompressorChoose>.
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* @flag ICMF_CHOOSE_PREVIEW | Displays a "Preview" button for
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* the video options. This button previews the compression
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* using a frame from the stream. This is the same flag
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* used in <f ICCompressorChoose>.
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* @parm int | nStreams | Specifies the number of streams
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* that will have their options set by the dialog box.
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* @parm PAVISTREAM FAR * | ppavi | Specifies a pointer to an
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* array of stream interface pointers. The <p nStreams>
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* parameter indicates the number of pointers in the array.
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* @parm LPAVICOMPRESSOPTIONS FAR * | plpOptions | Specifies a pointer
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* to an array of <t LPAVICOMPRESSOPTIONS> pointers
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* to hold the compression options set by the dialog box. The
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* <p nStreams> parameter indicates the number of
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* pointers in the array.
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* @rdesc Returns TRUE if the user pressed OK, FALSE for CANCEL or an error.
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* @comm This function presents a standard Compression Options dialog
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* box using <p hwnd> as the parent window handle. When the
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* user is finished selecting the compression options for
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* each stream, the options are returned in the <t AVICOMPRESSOPTIONS>
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* structures in the array referenced by <p lpOptions>. The caller
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* must pass the interface pointers for the streams
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* in the array referenced by <p ppavi>.
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*/
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STDAPI_(INT_PTR) AVISaveOptions(HWND hwnd, UINT uiFlags, int nStreams, PAVISTREAM FAR *ppavi, LPAVICOMPRESSOPTIONS FAR *plpOptions)
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{
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INT_PTR f;
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AVICOMPRESSOPTIONS FAR *aOptions;
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int i;
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/* Save the stream pointer */
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gnNumStreams = nStreams;
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gnCurStream = -1;
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gapAVI = ppavi;
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gapOpt = plpOptions;
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guiFlags = uiFlags;
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// Remember the old compression options in case we cancel and need to
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// restore them
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aOptions = (AVICOMPRESSOPTIONS FAR *)GlobalAllocPtr(GMEM_MOVEABLE,
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nStreams * sizeof(AVICOMPRESSOPTIONS));
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if (!aOptions)
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return FALSE;
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#if 0 //def _WIN32
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CopyMemory((PVOID)aOptions, (PVOID)*plpOptions, nStreams * sizeof(AVICOMPRESSOPTIONS));
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#else
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// We really ought to use memcpy on this...
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for (i = 0; i < nStreams; i++)
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aOptions[i] = *plpOptions[i];
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#endif
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f = DialogBox (ghMod, MAKEINTRESOURCE(IDD_COMPRESSOPTIONS), hwnd,
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(DLGPROC)AVICompressOptionsDlgProc);
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// The user cancelled... put the old compression options back.
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if (f == 0) {
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#if 0 //def _WIN32
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CopyMemory((PVOID)*plpOptions, (PVOID)aOptions, nStreams * sizeof(AVICOMPRESSOPTIONS));
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#else
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// We really ought to use memcpy on this...
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for (i = 0; i < nStreams; i++)
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*plpOptions[i] = aOptions[i];
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#endif
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}
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// Couldn't bring up the dialog
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if (f == -1)
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f = 0;
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GlobalFreePtr(aOptions);
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// !!! Returning TRUE doesn't guarantee something actually changed...
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return f;
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}
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/*
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* @doc EXTERNAL AVISaveOptionsFree
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* @api LONG | AVISaveOptionsFree | This function frees the resources allocated
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* by <f AVISaveOptions>.
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* @parm int | nStreams | Specifies the number of <t AVICOMPRESSOPTIONS>
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* structures in the array passed in as the next parameter.
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* @parm LPAVICOMPRESSOPTIONS FAR * | plpOptions | Specifies a pointer
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* to an array of <t LPAVICOMPRESSOPTIONS> pointers
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* to hold the compression options set by the dialog box. The
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* resources in each of these structures that were allocated by
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* <f AVISaveOptions> will be freed.
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* @rdesc This function always returns AVIERR_OK (zero)
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* @comm This function frees the resources allocated by <f AVISaveOptions>.
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*/
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STDAPI AVISaveOptionsFree(int nStreams, LPAVICOMPRESSOPTIONS FAR *plpOptions)
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{
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for (; nStreams > 0; nStreams--) {
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if (plpOptions[nStreams-1]->lpParms)
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GlobalFreePtr(plpOptions[nStreams-1]->lpParms);
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plpOptions[nStreams-1]->lpParms = NULL;
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if (plpOptions[nStreams-1]->lpFormat)
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GlobalFreePtr(plpOptions[nStreams-1]->lpFormat);
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plpOptions[nStreams-1]->lpFormat = NULL;
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}
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return AVIERR_OK;
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}
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/*
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Bring up the compression options for the current stream
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*/
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BOOL StreamOptions(HWND hwnd) {
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AVISTREAMINFO avis;
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BOOL f = FALSE;
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LONG lTemp;
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UINT w;
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// Get the stream type
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if (AVIStreamInfo(gapAVI[gnCurStream], &avis, sizeof(avis)) != 0)
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return FALSE;
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// Video stream -- bring up the video compression dlg
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if (avis.fccType == streamtypeVIDEO) {
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// The structure we have now is not filled in ... init it
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if (!(gapOpt[gnCurStream]->dwFlags & AVICOMPRESSF_VALID)) {
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_fmemset(gapOpt[gnCurStream], 0,
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sizeof(AVICOMPRESSOPTIONS));
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gapOpt[gnCurStream]->fccHandler = comptypeDIB;
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gapOpt[gnCurStream]->dwQuality = (DWORD)ICQUALITY_DEFAULT;
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}
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_fmemset(&gCompVars, 0, sizeof(gCompVars));
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gCompVars.cbSize = sizeof(gCompVars);
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gCompVars.dwFlags = ICMF_COMPVARS_VALID;
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gCompVars.fccHandler = gapOpt[gnCurStream]->fccHandler;
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gCompVars.lQ = gapOpt[gnCurStream]->dwQuality;
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gCompVars.lpState = gapOpt[gnCurStream]->lpParms;
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gCompVars.cbState = gapOpt[gnCurStream]->cbParms;
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gCompVars.lKey =
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(gapOpt[gnCurStream]->dwFlags & AVICOMPRESSF_KEYFRAMES)?
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(gapOpt[gnCurStream]->dwKeyFrameEvery) : 0;
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gCompVars.lDataRate =
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(gapOpt[gnCurStream]->dwFlags & AVICOMPRESSF_DATARATE) ?
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(gapOpt[gnCurStream]->dwBytesPerSecond / 1024) : 0;
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// !!! Don't pass flags verbatim if others are defined!!!
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f = ICCompressorChoose(hwnd, guiFlags, NULL,
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gapAVI[gnCurStream], &gCompVars, NULL);
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/* Set the options to our new values */
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gapOpt[gnCurStream]->lpParms = gCompVars.lpState;
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gapOpt[gnCurStream]->cbParms = gCompVars.cbState;
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gCompVars.lpState = NULL; // so it won't be freed
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gapOpt[gnCurStream]->fccHandler = gCompVars.fccHandler;
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gapOpt[gnCurStream]->dwQuality = gCompVars.lQ;
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gapOpt[gnCurStream]->dwKeyFrameEvery = gCompVars.lKey;
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gapOpt[gnCurStream]->dwBytesPerSecond = gCompVars.lDataRate
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* 1024;
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if (gCompVars.lKey)
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gapOpt[gnCurStream]->dwFlags |= AVICOMPRESSF_KEYFRAMES;
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else
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gapOpt[gnCurStream]->dwFlags &=~AVICOMPRESSF_KEYFRAMES;
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if (gCompVars.lDataRate)
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gapOpt[gnCurStream]->dwFlags |= AVICOMPRESSF_DATARATE;
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else
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gapOpt[gnCurStream]->dwFlags &=~AVICOMPRESSF_DATARATE;
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// If they pressed OK, we have valid stuff in here now.
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if (f)
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gapOpt[gnCurStream]->dwFlags |= AVICOMPRESSF_VALID;
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// Close the stuff opened by ICCompressorChoose
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ICCompressorFree(&gCompVars);
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// Bring up the ACM format dialog and stuff it in our
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// compression options structure
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} else if (avis.fccType == streamtypeAUDIO) {
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ACMFORMATCHOOSE acf;
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LONG lsizeF = 0;
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if (acmGetVersion() < 0x02000000L) {
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TCHAR achACM[160];
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TCHAR achACMV[40];
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LoadString(ghMod, IDS_BADACM, achACM, sizeof(achACM)/sizeof(TCHAR));
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LoadString(ghMod, IDS_BADACMV, achACMV, sizeof(achACMV)/sizeof(TCHAR));
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MessageBox(hwnd, achACM, achACMV, MB_OK | MB_ICONHAND);
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return FALSE;
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}
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_fmemset(&acf, 0, sizeof(acf)); // or ACM blows up
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acf.cbStruct = sizeof(ACMFORMATCHOOSE);
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// If our options struct has valid data, use it to init
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// the acm dialog with, otherwise pick a default.
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acf.fdwStyle = (gapOpt[gnCurStream]->dwFlags & AVICOMPRESSF_VALID)
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? ACMFORMATCHOOSE_STYLEF_INITTOWFXSTRUCT : 0;
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acf.hwndOwner = hwnd;
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// Make sure the AVICOMPRESSOPTIONS has a big enough lpFormat
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acmMetrics(NULL, ACM_METRIC_MAX_SIZE_FORMAT, (LPVOID)&lTemp);
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if ((gapOpt[gnCurStream]->cbFormat == 0 ||
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gapOpt[gnCurStream]->lpFormat == NULL) && lTemp) {
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gapOpt[gnCurStream]->lpFormat =
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GlobalAllocPtr(GMEM_MOVEABLE, lTemp);
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gapOpt[gnCurStream]->cbFormat = lTemp;
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} else if (gapOpt[gnCurStream]->cbFormat < (DWORD)lTemp && lTemp) {
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gapOpt[gnCurStream]->lpFormat =
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GlobalReAllocPtr(gapOpt[gnCurStream]->lpFormat, lTemp,
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GMEM_MOVEABLE);
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gapOpt[gnCurStream]->cbFormat = lTemp;
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}
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if (!gapOpt[gnCurStream]->lpFormat)
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return FALSE;
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acf.pwfx = gapOpt[gnCurStream]->lpFormat;
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acf.cbwfx = gapOpt[gnCurStream]->cbFormat;
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// Only ask for choices that we can actually convert to
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AVIStreamReadFormat(gapAVI[gnCurStream],
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AVIStreamStart(gapAVI[gnCurStream]), NULL, &lsizeF);
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// !!! Work around ACM bug by making sure our format is big enough
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lsizeF = max(lsizeF, sizeof(WAVEFORMATEX));
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acf.pwfxEnum = (LPWAVEFORMATEX)
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GlobalAllocPtr(GMEM_MOVEABLE | GMEM_ZEROINIT, lsizeF);
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if (acf.pwfxEnum) {
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AVIStreamReadFormat(gapAVI[gnCurStream],
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AVIStreamStart(gapAVI[gnCurStream]), acf.pwfxEnum, &lsizeF);
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acf.fdwEnum |= ACM_FORMATENUMF_CONVERT;
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}
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// If they pressed OK, we now have valid stuff in here!
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w = acmFormatChoose(&acf);
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if (w == MMSYSERR_NOERROR)
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gapOpt[gnCurStream]->dwFlags |= AVICOMPRESSF_VALID;
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else if (w != ACMERR_CANCELED) {
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MessageBeep(0); // !!! Should really be a message box!
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}
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if (acf.pwfxEnum)
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GlobalFreePtr(acf.pwfxEnum);
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f = (w == MMSYSERR_NOERROR);
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}
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return f;
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}
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#if defined _WIN32 && !defined UNICODE // Chicago only
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/*
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* convert a UNICODE string to 'normal'
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*/
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LPTSTR WINAPI aviWideToText (LPTSTR lpszOut, LPWSTR lpwIn, UINT cch)
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{
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if (sizeof(TCHAR) != sizeof(WCHAR))
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WideCharToMultiByte(CP_ACP, 0, lpwIn, cch, lpszOut, cch, NULL, NULL);
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else
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lstrcpyn (lpszOut, (LPTSTR)lpwIn, cch);
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return lpszOut;
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}
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#else
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#define aviWideToText(lpszOut,lpwIn,cch) lstrcpyn(lpszOut,lpwIn,cch)
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#endif // _WIN32 on CHICAGO
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STATICDT SZCODE aszXbyXbyX[] = TEXT("%ldx%ldx%d\n");
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STATICDT SZCODE aszBlahSpaceBlah[] = TEXT("%s %s");
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// Somebody chose a new stream. Do we need to grey InterleaveOpts?
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// Set the current stream.
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void NEAR PASCAL NewStreamChosen(HWND hwnd)
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{
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AVISTREAMINFO avis;
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HIC hic;
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ICINFO icinfo;
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ACMFORMATDETAILS acmfmt;
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ACMFORMATTAGDETAILS aftd;
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LONG lsizeF;
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LPBITMAPINFOHEADER lp = NULL;
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TCHAR szFFDesc[80];
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TCHAR szDesc[120];
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gnCurStream = (int)SendDlgItemMessage(hwnd, IDC_intCHOOSESTREAM,
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CB_GETCURSEL, 0, 0L);
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if (gnCurStream < 0)
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return;
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if (AVIStreamInfo(gapAVI[gnCurStream], &avis, sizeof(avis)) != 0)
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return;
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// Show a string describing the current format
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szDesc[0] = TEXT('\0');
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lsizeF = 0;
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AVIStreamReadFormat(gapAVI[gnCurStream],
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AVIStreamStart(gapAVI[gnCurStream]), NULL, &lsizeF);
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if (lsizeF) {
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lp = (LPBITMAPINFOHEADER)GlobalAllocPtr(GHND, lsizeF);
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if (lp) {
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if (AVIStreamReadFormat(gapAVI[gnCurStream],
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AVIStreamStart(gapAVI[gnCurStream]),
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lp, &lsizeF) == AVIERR_OK) {
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if (avis.fccType == streamtypeVIDEO) {
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wsprintf(szDesc, aszXbyXbyX, lp->biWidth,
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lp->biHeight, lp->biBitCount);
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if (lp->biCompression == BI_RGB) {
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LoadString(ghMod, IDS_FFDESC, szFFDesc,
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sizeof(szFFDesc)/sizeof(TCHAR));
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lstrcat(szDesc, szFFDesc);
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} else {
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hic = ICDecompressOpen(ICTYPE_VIDEO,avis.fccHandler,
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lp, NULL);
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if (hic) {
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if (ICGetInfo(hic, &icinfo,sizeof(icinfo)) != 0) {
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UINT cb = lstrlen(szDesc);
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aviWideToText (szDesc + cb,
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icinfo.szDescription,
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NUMELMS(szDesc) - cb);
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}
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ICClose(hic);
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}
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}
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} else if (avis.fccType == streamtypeAUDIO) {
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_fmemset(&acmfmt, 0, sizeof(acmfmt));
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acmfmt.pwfx = (LPWAVEFORMATEX) lp;
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acmfmt.cbStruct = sizeof(ACMFORMATDETAILS);
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acmfmt.dwFormatTag = acmfmt.pwfx->wFormatTag;
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acmfmt.cbwfx = lsizeF;
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aftd.cbStruct = sizeof(aftd);
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aftd.dwFormatTag = acmfmt.pwfx->wFormatTag;
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aftd.fdwSupport = 0;
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if ((acmFormatTagDetails(NULL,
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&aftd,
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ACM_FORMATTAGDETAILSF_FORMATTAG) == 0) &&
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(acmFormatDetails(NULL, &acmfmt,
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ACM_FORMATDETAILSF_FORMAT) == 0)) {
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wsprintf(szDesc, aszBlahSpaceBlah, (LPTSTR) acmfmt.szFormat,
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(LPTSTR) aftd.szFormatTag);
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}
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}
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}
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GlobalFreePtr(lp);
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}
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}
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SetDlgItemText(hwnd, IDC_intFORMAT, szDesc);
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// AUDIO and VIDEO streams have a compression dialog
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if (avis.fccType == streamtypeAUDIO ||
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avis.fccType == streamtypeVIDEO)
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EnableWindow(GetDlgItem(hwnd, IDC_intOPTIONS), TRUE);
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else
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EnableWindow(GetDlgItem(hwnd, IDC_intOPTIONS), FALSE);
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}
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/*--------------------------------------------------------------+
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* Dialog Proc for the main compression options dialog *
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+--------------------------------------------------------------*/
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LONG FAR PASCAL _export AVICompressOptionsDlgProc(HWND hwnd, unsigned msg, WPARAM wParam, LONG lParam)
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{
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int i, nVal;
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AVISTREAMINFO avis;
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DWORD dw;
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BOOL f;
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switch(msg){
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case WM_INITDIALOG:
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// If we've only got one stream to set the options for, it seems
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// silly to bring up a box to let you choose which stream you want.
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// Let's skip straight to the proper options dlg box.
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if (gnNumStreams == 1) {
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gnCurStream = 0;
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EndDialog(hwnd, StreamOptions(hwnd));
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return TRUE;
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}
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/* Add the list of streams to the drop-down box */
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for (nVal = 0; nVal < gnNumStreams; nVal++) {
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// Get the name of this stream
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AVIStreamInfo(gapAVI[nVal], &avis, sizeof(avis));
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SendDlgItemMessage(hwnd, IDC_intCHOOSESTREAM, CB_ADDSTRING, 0,
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(LONG_PTR) (LPTSTR)avis.szName);
|
|
}
|
|
|
|
// Set our initial selection to the first item
|
|
SendDlgItemMessage(hwnd, IDC_intCHOOSESTREAM, CB_SETCURSEL, 0, 0L);
|
|
// Make sure we see it
|
|
SendMessage(hwnd, WM_COMMAND,
|
|
GET_WM_COMMAND_MPS(IDC_intCHOOSESTREAM, hwnd, CBN_SELCHANGE));
|
|
|
|
// Set the interleave boxes for these streams. Every stream should
|
|
// be interleaved the same way, so just look at the first guy.
|
|
// !!! Admittedly, some app might only set the interleaving for
|
|
// the audio stream, and we won't get his intended default here.
|
|
// Default to interleave every 1 if we're uninitialized
|
|
if (gapOpt[0]->dwFlags & AVICOMPRESSF_VALID) {
|
|
f = (gapOpt[0]->dwFlags & AVICOMPRESSF_INTERLEAVE) != 0;
|
|
dw = gapOpt[0]->dwInterleaveEvery;
|
|
} else {
|
|
dw = 1;
|
|
f = FALSE;
|
|
}
|
|
CheckDlgButton(hwnd, IDC_intINTERLEAVE, f);
|
|
SetDlgItemInt(hwnd, IDC_intINTERLEAVEEDIT, (int)dw, FALSE);
|
|
EnableWindow(GetDlgItem(hwnd, IDC_intINTERLEAVEEDIT), f);
|
|
|
|
return TRUE;
|
|
|
|
case WM_COMMAND:
|
|
switch(GET_WM_COMMAND_ID(wParam, lParam)){
|
|
case IDOK:
|
|
// Set the interleaving for every stream to be the same,
|
|
// whatever we have chosen. AVIFile doesn't support
|
|
// interleaving different streams in different ways.
|
|
f = IsDlgButtonChecked(hwnd, IDC_intINTERLEAVE);
|
|
dw = (DWORD)GetDlgItemInt(hwnd, IDC_intINTERLEAVEEDIT,
|
|
NULL, FALSE);
|
|
for (i = 0; i < gnNumStreams; i++) {
|
|
gapOpt[i]->dwInterleaveEvery = dw;
|
|
if (f)
|
|
gapOpt[i]->dwFlags |= AVICOMPRESSF_INTERLEAVE;
|
|
else
|
|
gapOpt[i]->dwFlags &=~AVICOMPRESSF_INTERLEAVE;
|
|
}
|
|
// fall through (AAAAaaaahhhhh.....)
|
|
|
|
case IDCANCEL:
|
|
EndDialog(hwnd, wParam == IDOK);
|
|
break;
|
|
|
|
case IDC_intOPTIONS:
|
|
StreamOptions(hwnd);
|
|
break;
|
|
|
|
|
|
// Somebody chose a new stream.
|
|
|
|
case IDC_intCHOOSESTREAM:
|
|
if (GET_WM_COMMAND_CMD(wParam, lParam) != CBN_SELCHANGE)
|
|
break;
|
|
|
|
NewStreamChosen(hwnd);
|
|
break;
|
|
|
|
case IDC_intINTERLEAVE:
|
|
// Enable the "interleave every" edit box iff we've checked it
|
|
f = IsDlgButtonChecked(hwnd, IDC_intINTERLEAVE);
|
|
EnableWindow(GetDlgItem(hwnd, IDC_intINTERLEAVEEDIT), f);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
return FALSE;
|
|
}
|
|
return FALSE;
|
|
}
|