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{LightAlloy player}
unit pl_la;
{$include compilers.inc}
interface
implementation
uses windows,messages,common,srv_player,wat_api;
const
LAClass = 'LightAlloyFront';
const
WM_LACMD = WM_APP + 2504;
LAC_VERSION = 000;
LAC_FILE_OPEN = 050;
LAC_PLAYBACK_STOP = 100;
LAC_PLAYBACK_PLAY = 101;
LAC_PLAYBACK_STOP_PLAY = 102;
LAC_PLAYLIST_NEXT = 250;
LAC_PLAYLIST_PREV = 251;
LAC_PLAYLIST_PLAY = 252;
LAC_SOUND_VOLUME_INC = 401;
LAC_SOUND_VOLUME_DEC = 402;
function Check(wnd:HWND;flags:integer):HWND;cdecl;
begin
if wnd<>0 then
begin
result:=0;
exit;
end;
result:=FindWindow(LAClass,NIL);
end;
function GetVersion(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_LACMD,LAC_VERSION,0)
end;
function Play(wnd:HWND;fname:PWideChar=nil):integer;
var
cds:COPYDATASTRUCT;
begin
if (fname<>nil) and (fname^<>#0) then
begin
cds.dwData:=LAC_FILE_OPEN;
WideToAnsi(fname,PAnsiChar(cds.lpData));
cds.cbData:=StrLen(PAnsiChar(cds.lpData))+1;
SendMessage(wnd,WM_COPYDATA,0,lparam(@cds));
mFreeMem(cds.lpData);
end;
result:=SendMessage(wnd,WM_LACMD,LAC_PLAYLIST_PLAY,0) // LAC_PLAYLIST_PLAY
end;
function Pause(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_LACMD,LAC_PLAYBACK_STOP_PLAY,0)
end;
function Stop(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_LACMD,LAC_PLAYBACK_STOP,0)
end;
function Next(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_LACMD,LAC_PLAYLIST_NEXT,0)
end;
function Prev(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_LACMD,LAC_PLAYLIST_PREV,0)
end;
function VolDn(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_LACMD,LAC_SOUND_VOLUME_DEC,0);
end;
function VolUp(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_LACMD,LAC_SOUND_VOLUME_INC,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);
end;
end;
end;
function Command(wnd:HWND;cmd:integer;value:int_ptr):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);
else
result:=0;
end;
end;
const
plRec:tPlayerCell=(
Desc :'LightAlloy';
flags :WAT_OPT_HASURL;
Icon :0;
Init :nil;
DeInit :nil;
Check :@Check;
GetStatus:nil;
GetName :nil;
GetInfo :@GetInfo;
Command :@Command;
URL :'http://www.softella.com/';
Notes :nil);
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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