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218
PasLibVlc/Delphi2007/DemoVideoCallBacks/DemoVideoCallBacks.dpr
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218
PasLibVlc/Delphi2007/DemoVideoCallBacks/DemoVideoCallBacks.dpr
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(*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* Any non-GPL usage of this software or parts of this software is strictly
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* forbidden.
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*
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* The "appropriate copyright message" mentioned in section 2c of the GPLv2
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* must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com"
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*
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*)
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{$I ..\..\source\compiler.inc}
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program DemoVideoCallBacks;
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{$APPTYPE CONSOLE}
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{$R *.res}
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uses
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Windows, SysUtils, Graphics, SyncObjs,
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PasLibVlcUnit in '..\..\source\PasLibVlcUnit.pas';
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const
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// DEMO_FILE = '..\..\_testFiles\Maximize.mp4';
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// DEMO_FILE = '..\..\_testFiles\test.ts';
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DEMO_FILE = '..\..\_testFiles\1941.mp4';
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var
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p_li : libvlc_instance_t_ptr;
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p_md : libvlc_media_t_ptr;
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p_mi : libvlc_media_player_t_ptr;
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vctx : TVideoCbCtx;
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bmpi : TBitmap;
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bmpc : LongWord;
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function libvlc_video_lock_cb(ptr : Pointer; planes : PVCBPlanes) : Pointer; cdecl;
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var
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pIdx : Integer;
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begin
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with PVideoCbCtx(ptr)^ do
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begin
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lock.Enter;
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for pIdx := 0 to VOUT_MAX_PLANES-1 do
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begin
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planes^[pIdx] := buff_a32[pIdx];
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end;
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Result := buff_ptr[0];
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end;
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end;
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procedure libvlc_video_unlock_cb(ptr : Pointer; picture : Pointer; planes : PVCBPlanes); cdecl;
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begin
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with PVideoCbCtx(ptr)^ do
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begin
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lock.Release;
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end;
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end;
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procedure libvlc_video_display_cb(ptr : Pointer; picture : Pointer); cdecl;
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var
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y : Integer;
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from_ptr : PByte;
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pIdx : Integer;
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fileNumb : ShortString;
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fileName : ShortString;
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begin
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with PVideoCbCtx(ptr)^ do
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begin
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lock.Enter;
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for pIdx := 0 to VOUT_MAX_PLANES-1 do
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begin
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if (pIdx > 0) then continue;
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from_ptr := buff_a32[pIdx];
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for y := 0 to video_h - 1 do
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begin
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Move(from_ptr^, bmpi.ScanLine[y]^, pitch_w);
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Inc(from_ptr, pitch_w_a32);
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end;
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Inc(bmpc);
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Str(bmpc, fileNumb);
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fileName := Copy('000000', 1, 6 - Length(fileNumb)) + fileNumb + '_p' + IntToStr(pIdx) + '.bmp';
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WriteLn(fileName);
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bmpi.SaveToFile(fileName);
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end;
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lock.Leave;
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end;
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end;
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function libvlc_video_format_cb(var ptr : Pointer; chroma : PAnsiChar; var width : LongWord; var height : LongWord; pitches : PVCBPitches; lines : PVCBLines) : LongWord; cdecl;
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begin
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chroma^ := AnsiChar('B'); Inc(chroma);
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chroma^ := AnsiChar('G'); Inc(chroma);
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chroma^ := AnsiChar('R'); Inc(chroma);
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chroma^ := AnsiChar('A');
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with PVideoCbCtx(ptr)^ do
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begin
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lock.Enter;
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libvlc_video_cb_vctx_set_buffers(PVideoCbCtx(ptr), width, height, 4, pitches, lines);
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bmpi.SetSize(video_w, video_h);
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lock.Release;
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end;
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Result := 1;
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end;
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procedure libvlc_video_cleanup_cb(ptr : Pointer); cdecl;
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begin
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with PVideoCbCtx(ptr)^ do
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begin
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lock.Enter;
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libvlc_video_cb_vctx_clr_buffers(PVideoCbCtx(ptr));
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bmpi.SetSize(0, 0);
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lock.Release;
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end;
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end;
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begin
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try
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FillChar(vctx, sizeof(vctx), 0);
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with vctx do
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begin
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lock := TCriticalSection.Create;
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end;
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libvlc_video_cb_vctx_set_buffers(@vctx, 320, 240, 4);
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bmpi := Graphics.TBitmap.Create;
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bmpi.PixelFormat := pf32bit;
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bmpi.SetSize(vctx.video_w, vctx.video_h);
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libvlc_dynamic_dll_init();
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if (libvlc_dynamic_dll_error <> '') then
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begin
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raise Exception.Create(libvlc_dynamic_dll_error);
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end;
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with TArgcArgs.Create([
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libvlc_dynamic_dll_path,
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'--intf=dummy',
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'--ignore-config'
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// '--quiet',
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// '--no-video-title-show',
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// '--no-video-on-top'
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// '--vout=vdummy',
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// '--aout=adummy'
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]) do
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begin
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p_li := libvlc_new(ARGC, ARGS);
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Free;
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end;
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p_md := libvlc_media_new_path(p_li, PAnsiChar(UTF8Encode(DEMO_FILE)));
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libvlc_media_parse(p_md);
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p_mi := libvlc_media_player_new_from_media(p_md);
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libvlc_video_set_callbacks(p_mi, libvlc_video_lock_cb, libvlc_video_unlock_cb, libvlc_video_display_cb, @vctx);
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// use this for set video size to your needs
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// libvlc_video_set_format(p_mi, 'RV32', vctx.video_w, vctx.video_h, vctx.pitch_w);
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// use this for handle change video size etc.
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libvlc_video_set_format_callbacks(p_mi, libvlc_video_format_cb, libvlc_video_cleanup_cb);
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libvlc_media_player_play(p_mi);
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while (libvlc_media_player_get_state(p_mi) <> libvlc_Ended) do
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begin
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Sleep(50);
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end;
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libvlc_media_release(p_md);
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libvlc_media_player_release(p_mi);
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libvlc_release(p_li);
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WriteLn('Press ENTER to quit...');
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except
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on E:Exception do
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Writeln(E.Classname, ': ', E.Message);
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end;
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ReadLn;
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end.
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<?xml version="1.0" encoding="utf-8"?>
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<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<ProjectGuid>{8e4b0d1e-8d26-4f61-9c95-0fc089fee7dd}</ProjectGuid>
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<MainSource>DemoVideoCallBacks.dpr</MainSource>
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<Configuration Condition=" '$(Configuration)' == '' ">Release</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<DCC_DCCCompiler>DCC32</DCC_DCCCompiler>
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<DCC_DependencyCheckOutputName>DemoVideoCallBacks.exe</DCC_DependencyCheckOutputName>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<Version>7.0</Version>
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<DCC_DebugInformation>False</DCC_DebugInformation>
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<DCC_LocalDebugSymbols>False</DCC_LocalDebugSymbols>
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<DCC_SymbolReferenceInfo>0</DCC_SymbolReferenceInfo>
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<DCC_Define>RELEASE</DCC_Define>
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<DCC_UnitSearchPath>.\..\..\source\;.\..\..\source.vcl\</DCC_UnitSearchPath>
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<DCC_ResourcePath>.\..\..\source\;.\..\..\source.vcl\</DCC_ResourcePath>
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<DCC_ObjPath>.\..\..\source\;.\..\..\source.vcl\</DCC_ObjPath>
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<DCC_IncludePath>.\..\..\source\;.\..\..\source.vcl\</DCC_IncludePath>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<Version>7.0</Version>
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<DCC_Define>DEBUG</DCC_Define>
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<DCC_UnitSearchPath>.\..\..\source\;.\..\..\source.vcl\</DCC_UnitSearchPath>
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<DCC_ResourcePath>.\..\..\source\;.\..\..\source.vcl\</DCC_ResourcePath>
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<DCC_ObjPath>.\..\..\source\;.\..\..\source.vcl\</DCC_ObjPath>
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<DCC_IncludePath>.\..\..\source\;.\..\..\source.vcl\</DCC_IncludePath>
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</PropertyGroup>
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<ProjectExtensions>
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<Borland.Personality>Delphi.Personality</Borland.Personality>
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<Borland.ProjectType>VCLApplication</Borland.ProjectType>
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<BorlandProject>
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<BorlandProject><Delphi.Personality><Parameters><Parameters Name="UseLauncher">False</Parameters><Parameters Name="LoadAllSymbols">True</Parameters><Parameters Name="LoadUnspecifiedSymbols">False</Parameters></Parameters><VersionInfo><VersionInfo Name="IncludeVerInfo">True</VersionInfo><VersionInfo Name="AutoIncBuild">False</VersionInfo><VersionInfo Name="MajorVer">1</VersionInfo><VersionInfo Name="MinorVer">0</VersionInfo><VersionInfo Name="Release">0</VersionInfo><VersionInfo Name="Build">0</VersionInfo><VersionInfo Name="Debug">False</VersionInfo><VersionInfo Name="PreRelease">False</VersionInfo><VersionInfo Name="Special">False</VersionInfo><VersionInfo Name="Private">False</VersionInfo><VersionInfo Name="DLL">False</VersionInfo><VersionInfo Name="Locale">1045</VersionInfo><VersionInfo Name="CodePage">1250</VersionInfo></VersionInfo><VersionInfoKeys><VersionInfoKeys Name="CompanyName">Robert Jędrzejczyk</VersionInfoKeys><VersionInfoKeys Name="FileDescription">DemoVideoCallBacks</VersionInfoKeys><VersionInfoKeys Name="FileVersion">1.0.0.0</VersionInfoKeys><VersionInfoKeys Name="InternalName">DemoVideoCallBacks</VersionInfoKeys><VersionInfoKeys Name="LegalCopyright">Robert Jędrzejczyk</VersionInfoKeys><VersionInfoKeys Name="LegalTrademarks">Robert Jędrzejczyk</VersionInfoKeys><VersionInfoKeys Name="OriginalFilename">DemoVideoCallBacks</VersionInfoKeys><VersionInfoKeys Name="ProductName">DemoVideoCallBacks</VersionInfoKeys><VersionInfoKeys Name="ProductVersion">1.0.0.0</VersionInfoKeys><VersionInfoKeys Name="Comments">robert@prog.olsztyn.pl</VersionInfoKeys></VersionInfoKeys><Excluded_Packages>
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<Excluded_Packages Name="$(BDS)\bin\dcloffice2k100.bpl">Microsoft Office 2000 Sample Automation Server Wrapper Components</Excluded_Packages>
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<Excluded_Packages Name="$(BDS)\bin\dclofficexp100.bpl">Microsoft Office XP Sample Automation Server Wrapper Components</Excluded_Packages>
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</Excluded_Packages><Source><Source Name="MainSource">DemoVideoCallBacks.dpr</Source></Source></Delphi.Personality><ModelSupport>False</ModelSupport></BorlandProject></BorlandProject>
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</ProjectExtensions>
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<Import Project="$(MSBuildBinPath)\Borland.Delphi.Targets" />
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<ItemGroup>
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<DelphiCompile Include="DemoVideoCallBacks.dpr">
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<MainSource>MainSource</MainSource>
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</DelphiCompile>
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<DCCReference Include="..\..\source\PasLibVlcUnit.pas" />
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</ItemGroup>
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</Project>
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