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{BSPlayer player}
unit pl_BS;
{$include compilers.inc}
interface
implementation
uses windows,messages,common,srv_player,wat_api;
const
HWND_MESSAGE = HWND(-3);
const
BSPlayerClass = 'BSPlayer';
const
WM_BSP_CMD = WM_USER+2;
BSP_GETVERSION = $10000;
BSP_GetMovLen = $10100;
BSP_GetMovPos = $10101;
BSP_GetStatus = $10102;
BSP_Seek = $10103;
// BSP_LoadPlaylist = $1010C;
BSP_SetVol = $10104;
BSP_GetVol = $10105;
BSP_OpenFile = $10108;
BSP_GetFileName = $1010B;
BSP_VolUp = 1;
BSP_VolDown = 2;
BSP_Play = 20;
BSP_Pause = 21;
BSP_Stop = 22;
BSP_Prev = 25;
BSP_Next = 28;
const
bspwnd:HWND = 0;
function HiddenWindProc(wnd:HWND; msg:uint;wParam:WPARAM;lParam:LPARAM):LRESULT; stdcall;
begin
result:=DefWindowProc(wnd,msg,wParam,lParam);
end;
function Check(wnd:HWND;flags:integer):HWND;cdecl;
begin
if wnd<>0 then
begin
result:=0;
exit;
end;
result:=FindWindow(BSPlayerClass,NIL);
if result=0 then
begin
if bspwnd<>0 then
begin
DestroyWindow(bspwnd);
bspwnd:=0;
end;
end
else if bspwnd=0 then
begin
bspwnd:=CreateWindowExW(0,'STATIC',nil,0,1,1,1,1,HWND_MESSAGE,0,hInstance,nil);
if bspwnd<>0 then
setwindowlongPtrW(bspwnd,GWL_WNDPROC,LONG_PTR(@HiddenWindProc));
end;
end;
function GetVersion(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_BSP_CMD,BSP_GETVERSION,0)
end;
function GetVersionText(ver:integer):pWideChar;
begin
mGetMem(result,11*SizeOf(WideChar));
IntToHex(result,ver shr 24,2);
result[2]:='.';
IntToHex(result+3,(ver shr 16) and $FF,2);
result[5]:='.';
IntToHex(result+6,ver and $FFFF);
end;
function GetElapsedTime(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_BSP_CMD,BSP_GetMovPos,0) div 1000;
end;
function GetTotalTime(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_BSP_CMD,BSP_GetMovLen,0) div 1000;
end;
function GetStatus(wnd:HWND):integer; cdecl;
begin
result:=SendMessage(wnd,WM_BSP_CMD,BSP_GetStatus,0);
if result=1 then result:=2
else if result=2 then result:=1;
if result>2 then result:=2;
end;
function GetFileName(wnd:HWND;flags:integer):pWideChar;
var
cds:tcopyDataStruct;
buf:array [0..255] of AnsiChar;
adr:pointer;
begin
adr:=@buf;
cds.dwData:=BSP_GetFileName;
cds.lpData:=@adr;
cds.cbData:=4;
SendMessage(wnd,WM_COPYDATA,bspwnd,lparam(@cds));
AnsiToWide(buf,result);
end;
function Play(wnd:HWND;fname:PWideChar=nil):integer;
var
cds:COPYDATASTRUCT;
begin
if (fname<>nil) and (fname^<>#0) then
begin
cds.dwData:=BSP_OpenFile;
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_BSP_CMD,BSP_Play,0);
end;
function Pause(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_BSP_CMD,BSP_Pause,0);
end;
function Stop(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_BSP_CMD,BSP_Stop,0);
end;
function Next(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_BSP_CMD,BSP_Next,0);
end;
function Prev(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_BSP_CMD,BSP_Prev,0);
end;
function VolDn(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_BSP_CMD,BSP_VolDown,0);
end;
function VolUp(wnd:HWND):integer;
begin
result:=SendMessage(wnd,WM_BSP_CMD,BSP_VolUp,0);
end;
function GetVolume(wnd:HWND):cardinal;
begin
result:=SendMessage(wnd,WM_BSP_CMD,BSP_GetVol,0);
result:=(result shl 16)+((result shl 4) div 25);
end;
procedure SetVolume(wnd:HWND;value:cardinal);
begin
SendMessage(wnd,WM_BSP_CMD,BSP_SetVol,(value*25) shr 4);
end;
function Seek(wnd:HWND;value:integer):integer;
begin
result:=SendMessage(wnd,WM_BSP_CMD,BSP_GetMovPos,0) div 1000;
SendMessage(wnd,WM_BSP_CMD,BSP_Seek,value*1000);
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;
with SongInfo do
begin
if (flags and WAT_OPT_CHANGES)<>0 then
begin
volume:=GetVolume(plwnd);
if status<>WAT_MES_STOPPED then
time:=GetElapsedTime(plwnd);
end
else
begin
if total=0 then
total:=GetTotalTime(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);
WAT_CTRL_SEEK : result:=Seek (wnd,value);
else
result:=0;
end;
end;
const
plRec:tPlayerCell=(
Desc :'BSPlayer';
flags :WAT_OPT_HASURL;
Icon :0;
Init :nil;
DeInit :nil;
Check :@Check;
GetStatus:@GetStatus;
GetName :@GetFileName;
GetInfo :@GetInfo;
Command :@Command;
URL :'http://www.bsplayer.org/';
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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