365 lines
10 KiB
C++
365 lines
10 KiB
C++
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/*
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LICENSE
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-------
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Copyright 2005 Nullsoft, Inc.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of Nullsoft nor the names of its contributors may be used to
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endorse or promote products derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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// video delay
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// copyright tom holden, 2002
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// mail: cfp@myrealbox.com
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#include <windows.h>
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#include "resource.h"
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#include "r_defs.h"
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#include "../Agave/Language/api_language.h"
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#ifndef LASER
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#define MOD_NAME "Trans / Video Delay"
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#define C_DELAY C_VideoDelayClass
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class C_DELAY : public C_RBASE
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{
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protected:
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public:
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// standard ape members
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C_DELAY();
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virtual ~C_DELAY();
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virtual int render(char visdata[2][2][576], int isBeat, int *framebuffer, int *fbout, int w, int h);
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virtual HWND conf(HINSTANCE hInstance, HWND hwndParent);
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virtual char *get_desc();
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virtual void load_config(unsigned char *data, int len);
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virtual int save_config(unsigned char *data);
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// saved members
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bool enabled;
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bool usebeats;
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unsigned int delay;
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// unsaved members
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LPVOID buffer;
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LPVOID inoutpos;
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unsigned long buffersize;
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unsigned long virtualbuffersize;
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unsigned long oldvirtualbuffersize;
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unsigned long framessincebeat;
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unsigned long framedelay;
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unsigned long framemem;
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unsigned long oldframemem;
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};
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// global configuration dialog pointer
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static C_DELAY *g_Delay;
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// global DLL instance pointer
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static HINSTANCE g_hDllInstance;
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// configuration screen
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static BOOL CALLBACK g_DlgProc(HWND hwndDlg, UINT uMsg, WPARAM wParam,LPARAM lParam)
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{
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char value[16];
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int val;
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unsigned int objectcode, objectmessage;
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HWND hwndEdit;
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switch (uMsg)
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{
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case WM_INITDIALOG: //init
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CheckDlgButton(hwndDlg,IDC_CHECK1,g_Delay->enabled);
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CheckDlgButton(hwndDlg,IDC_RADIO1,g_Delay->usebeats);
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CheckDlgButton(hwndDlg,IDC_RADIO2,!g_Delay->usebeats);
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hwndEdit = GetDlgItem(hwndDlg,IDC_EDIT1);
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_itoa(g_Delay->delay,value,10);
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SetWindowText(hwndEdit,value);
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return 1;
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case WM_COMMAND:
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objectcode = LOWORD(wParam);
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objectmessage = HIWORD(wParam);
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// see if enable checkbox is checked
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if (objectcode == IDC_CHECK1)
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{
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g_Delay->enabled = IsDlgButtonChecked(hwndDlg,IDC_CHECK1)==1;
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return 0;
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}
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// see if beats radiobox is checked
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if (objectcode == IDC_RADIO1)
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{
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if(IsDlgButtonChecked(hwndDlg,IDC_RADIO1)==1)
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{
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g_Delay->usebeats = true;
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CheckDlgButton(hwndDlg,IDC_RADIO2,BST_UNCHECKED);
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g_Delay->framedelay = 0;
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g_Delay->framessincebeat = 0;
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hwndEdit = GetDlgItem(hwndDlg,IDC_EDIT1); //new
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if (g_Delay->delay>16) { //new
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g_Delay->delay = 16; //new
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SetWindowText(hwndEdit,"16"); //new
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} //new
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}
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else g_Delay->usebeats = false;
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return 0;
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}
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// see if frames radiobox is checked
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if (objectcode == IDC_RADIO2)
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{
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if(IsDlgButtonChecked(hwndDlg,IDC_RADIO2)==1)
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{
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g_Delay->usebeats = false;
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CheckDlgButton(hwndDlg,IDC_RADIO1,BST_UNCHECKED);
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g_Delay->framedelay = g_Delay->delay;
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}
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else g_Delay->usebeats = true;
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return 0;
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}
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//get and put data from the delay box
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if (objectcode == IDC_EDIT1)
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{
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hwndEdit = GetDlgItem(hwndDlg,IDC_EDIT1);
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if (objectmessage == EN_CHANGE)
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{
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GetWindowText(hwndEdit,value,16);
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val = atoi(value);
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if (g_Delay->usebeats) {if (val > 16) val = 16;} //new
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else {if (val > 200) val = 200;} //new
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g_Delay->delay = val;
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g_Delay->framedelay = g_Delay->usebeats?0:g_Delay->delay;
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}
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else if (objectmessage == EN_KILLFOCUS)
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{
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_itoa(g_Delay->delay,value,10);
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SetWindowText(hwndEdit,value);
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}
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return 0;
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}
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}
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return 0;
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}
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// set up default configuration
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C_DELAY::C_DELAY()
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{
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// enable
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enabled = true;
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usebeats = false;
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delay = 10;
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framedelay = 10;
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framessincebeat = 0;
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buffersize = 1;
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virtualbuffersize = 1;
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oldvirtualbuffersize = 1;
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buffer = VirtualAlloc(NULL,buffersize,MEM_COMMIT,PAGE_READWRITE);
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inoutpos = buffer;
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}
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// virtual destructor
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C_DELAY::~C_DELAY()
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{
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VirtualFree(buffer,buffersize,MEM_DECOMMIT);
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}
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// RENDER FUNCTION:
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// render should return 0 if it only used framebuffer, or 1 if the new output data is in fbout
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// w and h are the-width and height of the screen, in pixels.
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// isBeat is 1 if a beat has been detected.
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// visdata is in the format of [spectrum:0,wave:1][channel][band].
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int C_DELAY::render(char visdata[2][2][576], int isBeat, int *framebuffer, int *fbout, int w, int h)
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{
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if (isBeat&0x80000000) return 0;
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framemem = w*h*4;
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if (usebeats)
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{
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if (isBeat)
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{
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framedelay = framessincebeat*delay; //changed
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if (framedelay > 400) framedelay = 400; //new
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framessincebeat = 0;
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}
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framessincebeat++;
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}
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if (enabled && framedelay!=0)
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{
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virtualbuffersize = framedelay*framemem;
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if (framemem == oldframemem)
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{
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if (virtualbuffersize != oldvirtualbuffersize)
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{
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if (virtualbuffersize > oldvirtualbuffersize)
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{
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if (virtualbuffersize > buffersize)
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{
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// allocate new memory
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if (!VirtualFree(buffer,buffersize,MEM_DECOMMIT)) return 0;
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if (usebeats)
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{
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buffersize = 2*virtualbuffersize;
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if (buffersize > framemem*400) buffersize = framemem*400; //new
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buffer = VirtualAlloc(NULL,buffersize,MEM_COMMIT,PAGE_READWRITE);
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if (buffer == NULL)
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{
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buffersize = virtualbuffersize;
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buffer = VirtualAlloc(NULL,buffersize,MEM_COMMIT,PAGE_READWRITE);
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}
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}
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else
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{
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buffersize = virtualbuffersize;
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buffer = VirtualAlloc(NULL,buffersize,MEM_COMMIT,PAGE_READWRITE);
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}
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inoutpos = buffer;
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if (buffer == NULL)
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{
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framedelay = 0;
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framessincebeat = 0;
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return 0;
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}
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}
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else
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{
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unsigned long size = (((unsigned long)buffer)+oldvirtualbuffersize) - ((unsigned long)inoutpos);
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unsigned long l = ((unsigned long)buffer)+virtualbuffersize;
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unsigned long d = l - size;
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MoveMemory((LPVOID)d, inoutpos, size);
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for (l = (unsigned long)inoutpos; l < d; l += framemem) CopyMemory((LPVOID)l,(LPVOID)d,framemem);
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}
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}
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else
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{ // virtualbuffersize < oldvirtualbuffersize
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unsigned long presegsize = ((unsigned long)inoutpos)-((unsigned long)buffer)+framemem;
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if (presegsize > virtualbuffersize)
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{
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MoveMemory(buffer,(LPVOID)(((unsigned long)buffer)+presegsize-virtualbuffersize),virtualbuffersize);
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inoutpos = (LPVOID)(((unsigned long)buffer)+virtualbuffersize-framemem);
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}
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else if (presegsize < virtualbuffersize) MoveMemory((LPVOID)(((unsigned long)inoutpos)+framemem),(LPVOID)(((unsigned long)buffer)+oldvirtualbuffersize+presegsize-virtualbuffersize),virtualbuffersize-presegsize);
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}
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oldvirtualbuffersize = virtualbuffersize;
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}
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}
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else
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{
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// allocate new memory
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if (!VirtualFree(buffer,buffersize,MEM_DECOMMIT)) return 0;
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if (usebeats)
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{
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buffersize = 2*virtualbuffersize;
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buffer = VirtualAlloc(NULL,buffersize,MEM_COMMIT,PAGE_READWRITE);
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if (buffer == NULL)
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{
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buffersize = virtualbuffersize;
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buffer = VirtualAlloc(NULL,buffersize,MEM_COMMIT,PAGE_READWRITE);
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}
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}
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else
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{
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buffersize = virtualbuffersize;
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buffer = VirtualAlloc(NULL,buffersize,MEM_COMMIT,PAGE_READWRITE);
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}
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inoutpos = buffer;
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if (buffer == NULL)
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{
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framedelay = 0;
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framessincebeat = 0;
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return 0;
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}
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oldvirtualbuffersize = virtualbuffersize;
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}
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oldframemem = framemem;
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CopyMemory(fbout,inoutpos,framemem);
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CopyMemory(inoutpos,framebuffer,framemem);
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inoutpos = (LPVOID)(((unsigned long)inoutpos)+framemem);
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if ((unsigned long)inoutpos>=((unsigned long)buffer)+virtualbuffersize) inoutpos = buffer;
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return 1;
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}
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else return 0;
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}
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HWND C_DELAY::conf(HINSTANCE hInstance, HWND hwndParent) // return NULL if no config dialog possible
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{
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g_Delay = this;
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return WASABI_API_CREATEDIALOG(IDD_CFG_VIDEODELAY,hwndParent,g_DlgProc);
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}
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char *C_DELAY::get_desc(void)
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{
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static char desc[128]; return (!desc[0]?WASABI_API_LNGSTRING_BUF(IDS_TRANS_VIDEO_DELAY,desc,128):desc);
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}
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// load_/save_config are called when saving and loading presets (.avs files)
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#define GET_INT() (data[pos]|(data[pos+1]<<8)|(data[pos+2]<<16)|(data[pos+3]<<24))
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void C_DELAY::load_config(unsigned char *data, int len) // read configuration of max length "len" from data.
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{
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int pos=0;
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// always ensure there is data to be loaded
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if (len-pos >= 4)
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{
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// load activation toggle
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enabled=(GET_INT()==1);
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pos+=4;
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}
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if (len-pos >= 4)
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{
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// load beats toggle
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usebeats=(GET_INT()==1);
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pos+=4;
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}
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if (len-pos >= 4)
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{
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// load delay
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delay=GET_INT();
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if (usebeats) {if (delay > 16) delay = 16;} //new
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else {if (delay > 200) delay = 200;} //new
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pos+=4;
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}
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}
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// write configuration to data, return length. config data should not exceed 64k.
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#define PUT_INT(y) data[pos]=(y)&255; data[pos+1]=(y>>8)&255; data[pos+2]=(y>>16)&255; data[pos+3]=(y>>24)&255
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int C_DELAY::save_config(unsigned char *data)
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{
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int pos=0;
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PUT_INT((int)enabled);
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pos+=4;
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PUT_INT((int)usebeats);
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pos+=4;
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PUT_INT((unsigned int)delay);
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pos+=4;
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return pos;
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}
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// export stuff
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C_RBASE *R_VideoDelay(char *desc) // creates a new effect object if desc is NULL, otherwise fills in desc with description
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{
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if (desc)
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{
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strcpy(desc,MOD_NAME);
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return NULL;
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}
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return (C_RBASE *) new C_DELAY();
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}
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#endif
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