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{BeholderTV}
unit pl_behold;
{$include compilers.inc}
interface
implementation
uses windows,messages,common,wrapper,srv_player,wat_api;
const
WM_BHCMD = WM_USER+200;
WMBH_CHNLUP = WM_USER+203; // Ïåðåêëþ÷èòü íà ñëåäóþùèé êàíàë
WMBH_CHNLDOWN = WM_USER+204; // Ïåðåêëþ÷èòü íà ïðåäûäóùèé êàíàë
WMBH_VOLUMEUP = WM_USER+210; // Óâåëè÷èòü âûáðàííûé óðîâåíü
WMBH_VOLUMEDOWN = WM_USER+211; // Óìåíüøèòü âûáðàííûé óðîâåíü
WMBH_FREEZE = WM_USER+232; // Òðèããåð ñòîï-êàäðà
WMBH_SETVOLUME = WM_USER+280; // Óñòàíîâèòü óðîâåíü ãðîìêîñòè (LParam = 0..65535)
WMBH_GETVOLUME = WM_USER+281; // Ïîëó÷èòü òåêóùèé óðîâåíü ãðîìêîñòè (èñïîëüçîâàòü SendMessage, Result = 0..65535)
WMBH_GETVERSION = WM_USER+285; // Ïîëó÷èòü íîâåð âåðñèè ÏÎ (èñïîëüçîâàòü SendMessage)
const
TitleWndClass = 'TApplication';
EXEName = 'BEHOLDTV.EXE';
var
TitleWnd:HWND;
function enumproc(wnd:HWND; lParam:LPARAM):bool; stdcall;
var
buf:array [0..64] of AnsiChar;
begin
result:=true;
if GetClassNameA(wnd,buf,63)<>0 then
begin
if StrCmp(buf,TitleWndClass)=0 then
begin
TitleWnd:=wnd;
result:=false;
end
end;
end;
function Check(wnd:HWND;flags:integer):HWND;cdecl;
begin
if wnd<>0 then
begin
result:=0;
exit;
end;
result:=FindWindow('TMain','BeholdTV');
if result<>0 then
EnumThreadWindows(GetWindowThreadProcessId(result,nil),@enumproc,0);
end;
function GetVersion(wnd:HWND):integer;
begin
result:=dword(SendMessage(wnd,WM_BHCMD,WMBH_GETVERSION,0));
result:=((result shr 16) shl 8)+LoWord(result);
end;
function GetVersionText(ver:integer):PWideChar; //!!
begin
mGetMem(result,10*SizeOf(WideChar));
IntToStr(result+1,ver);
result[0]:=result[1];
result[1]:='.';
end;
function GetFileName(wnd:HWND;flags:integer):pWideChar;cdecl;
begin
result:=nil;
end;
function Pause(wnd:HWND):integer;
begin
result:=0;
PostMessage(wnd,WM_BHCMD,WMBH_FREEZE,0);
end;
function Next(wnd:HWND):integer;
begin
result:=0;
PostMessage(wnd,WM_BHCMD,WMBH_CHNLUP,0);
end;
function Prev(wnd:HWND):integer;
begin
result:=0;
PostMessage(wnd,WM_BHCMD,WMBH_CHNLDOWN,0);
end;
function GetVolume(wnd:HWND):cardinal;
begin
result:=word(SendMessage(wnd,WM_BHCMD,WMBH_GETVOLUME,0));
result:=(result shl 16)+(result shr 12);
end;
procedure SetVolume(wnd:HWND;value:cardinal);
begin
SendMessage(wnd,WM_BHCMD,WMBH_SETVOLUME,value shl 12);
end;
function VolDn(wnd:HWND):integer;
begin
result:=word(SendMessage(wnd,WM_BHCMD,WMBH_VOLUMEDOWN,0));
end;
function VolUp(wnd:HWND):integer;
begin
result:=word(SendMessage(wnd,WM_BHCMD,WMBH_VOLUMEUP,0));
end;
function GetInfo(var SongInfo:tSongInfo;flags:integer):integer;cdecl;
begin
result:=0;
if (flags and WAT_OPT_PLAYERDATA)<>0 then
begin
if SongInfo.plyver=0 then
begin
SongInfo.plyver:=GetVersion (SongInfo.plwnd);
SongInfo.txtver:=GetVersionText(SongInfo.plyver);
end;
exit;
end;
if (flags and WAT_OPT_CHANGES)<>0 then
SongInfo.wndtext:=GetDlgText(TitleWnd);
end;
function Command(wnd:HWND;cmd:integer;value:integer):integer;cdecl;
begin
case cmd of
WAT_CTRL_PREV : result:=Prev(wnd);
// WAT_CTRL_PLAY : result:=Play(wnd,pWideChar(value));
WAT_CTRL_PAUSE: result:=Pause(wnd);
// WAT_CTRL_STOP : result:=Stop(wnd);
WAT_CTRL_NEXT : result:=Next(wnd);
WAT_CTRL_VOLDN: result:=VolDn(wnd);
WAT_CTRL_VOLUP: result:=VolUp(wnd);
// WAT_CTRL_SEEK : result:=Seek(wnd,value);
else
result:=0;
end;
end;
const
plRec:tPlayerCell=(
Desc :'BeholdTV';
flags :WAT_OPT_HASURL;
Icon :0;
Init :nil;
DeInit :nil;
Check :@Check;
GetStatus:nil;
GetName :@GetFileName;
GetInfo :@GetInfo;
Command :@Command;
URL :nil;
Notes :'Still experimental, no tested. Can work not properly');
var
LocalPlayerLink:twPlayer;
procedure InitLink;
begin
LocalPlayerLink.Next:=PlayerLink;
LocalPlayerLink.This:=@plRec;
PlayerLink :=@LocalPlayerLink;
end;
initialization
// ServicePlayer(WAT_ACT_REGISTER,dword(@plRec));
InitLink;
end.
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