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unit UMedia_dummy;
{< #############################################################################
# FFmpeg support for UltraStar deluxe #
# #
# Created by b1indy #
# based on 'An ffmpeg and SDL Tutorial' (http://www.dranger.com/ffmpeg/) #
# #
# http://www.mail-archive.com/fpc-pascal@lists.freepascal.org/msg09949.html #
# http://www.nabble.com/file/p11795857/mpegpas01.zip #
# #
############################################################################## }
interface
{$IFDEF FPC}
{$MODE Delphi}
{$ENDIF}
{$I switches.inc}
implementation
uses
SysUtils,
math,
UMusic;
var
singleton_dummy : IVideoPlayback;
type
TMedia_dummy = class( TInterfacedObject, IVideoPlayback, IVideoVisualization, IAudioPlayback, IAudioInput )
private
DummyOutputDeviceList: TAudioOutputDeviceList;
public
constructor create();
function GetName: string;
procedure init();
function Open(const aFileName : string): boolean; // true if succeed
procedure Close;
procedure Play;
procedure Pause;
procedure Stop;
procedure SetPosition(Time: real);
function GetPosition: real;
procedure GetFrame(Time: Extended);
procedure DrawGL(Screen: integer);
// IAudioInput
function InitializeRecord: boolean;
function FinalizeRecord: boolean;
procedure CaptureStart;
procedure CaptureStop;
procedure GetFFTData(var data: TFFTData);
function GetPCMData(var data: TPCMData): Cardinal;
// IAudioPlayback
function InitializePlayback: boolean;
function FinalizePlayback: boolean;
function GetOutputDeviceList(): TAudioOutputDeviceList;
procedure FadeIn(Time: real; TargetVolume: single);
procedure SetAppVolume(Volume: single);
procedure SetVolume(Volume: single);
procedure SetLoop(Enabled: boolean);
procedure Rewind;
function Finished: boolean;
function Length: real;
function OpenSound(const Filename: string): TAudioPlaybackStream;
procedure PlaySound(stream: TAudioPlaybackStream);
procedure StopSound(stream: TAudioPlaybackStream);
end;
function Tmedia_dummy.GetName: string;
begin
result := 'dummy';
end;
procedure Tmedia_dummy.GetFrame(Time: Extended);
begin
end;
procedure Tmedia_dummy.DrawGL(Screen: integer);
begin
end;
constructor Tmedia_dummy.create();
begin
inherited;
end;
procedure Tmedia_dummy.init();
begin
end;
function Tmedia_dummy.Open(const aFileName : string): boolean; // true if succeed
begin
result := false;
end;
procedure Tmedia_dummy.Close;
begin
end;
procedure Tmedia_dummy.Play;
begin
end;
procedure Tmedia_dummy.Pause;
begin
end;
procedure Tmedia_dummy.Stop;
begin
end;
procedure Tmedia_dummy.SetPosition(Time: real);
begin
end;
function Tmedia_dummy.GetPosition: real;
begin
result := 0;
end;
// IAudioInput
function Tmedia_dummy.InitializeRecord: boolean;
begin
result := true;
end;
function Tmedia_dummy.FinalizeRecord: boolean;
begin
result := true;
end;
procedure Tmedia_dummy.CaptureStart;
begin
end;
procedure Tmedia_dummy.CaptureStop;
begin
end;
procedure Tmedia_dummy.GetFFTData(var data: TFFTData);
begin
end;
function Tmedia_dummy.GetPCMData(var data: TPCMData): Cardinal;
begin
result := 0;
end;
// IAudioPlayback
function Tmedia_dummy.InitializePlayback: boolean;
begin
SetLength(DummyOutputDeviceList, 1);
DummyOutputDeviceList[0] := TAudioOutputDevice.Create();
DummyOutputDeviceList[0].Name := '[Dummy Device]';
result := true;
end;
function Tmedia_dummy.FinalizePlayback: boolean;
begin
result := true;
end;
function Tmedia_dummy.GetOutputDeviceList(): TAudioOutputDeviceList;
begin
Result := DummyOutputDeviceList;
end;
procedure Tmedia_dummy.SetAppVolume(Volume: single);
begin
end;
procedure Tmedia_dummy.SetVolume(Volume: single);
begin
end;
procedure Tmedia_dummy.SetLoop(Enabled: boolean);
begin
end;
procedure Tmedia_dummy.FadeIn(Time: real; TargetVolume: single);
begin
end;
procedure Tmedia_dummy.Rewind;
begin
end;
function Tmedia_dummy.Finished: boolean;
begin
result := false;
end;
function Tmedia_dummy.Length: real;
begin
Result := 60;
end;
function Tmedia_dummy.OpenSound(const Filename: string): TAudioPlaybackStream;
begin
result := nil;
end;
procedure Tmedia_dummy.PlaySound(stream: TAudioPlaybackStream);
begin
end;
procedure Tmedia_dummy.StopSound(stream: TAudioPlaybackStream);
begin
end;
initialization
singleton_dummy := Tmedia_dummy.create();
AudioManager.add( singleton_dummy );
finalization
AudioManager.Remove( singleton_dummy );
end.
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