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-rw-r--r--mediaplugin/src/base/UMusic.pas213
-rw-r--r--mediaplugin/src/base/URecord.pas1
2 files changed, 129 insertions, 85 deletions
diff --git a/mediaplugin/src/base/UMusic.pas b/mediaplugin/src/base/UMusic.pas
index 182fef4c..e93a1037 100644
--- a/mediaplugin/src/base/UMusic.pas
+++ b/mediaplugin/src/base/UMusic.pas
@@ -331,36 +331,31 @@ type
procedure SetLoop(Enabled: boolean); override;
end;
- TVideoDecodeStream = class
+ TAudioConvertStream = class
+ protected
+ fSrcFormatInfo: TAudioFormatInfo;
+ fDstFormatInfo: TAudioFormatInfo;
public
- function Open(const FileName: IPath): boolean; virtual; abstract;
- procedure Close; virtual; abstract;
-
- procedure SetLoop(Enable: boolean); virtual; abstract;
- function GetLoop(): boolean; virtual; abstract;
-
- procedure SetPosition(Time: real); virtual; abstract;
- function GetPosition: real; virtual; abstract;
-
- function GetFrameAspect(): real; virtual; abstract;
- function GetFrame(Time: Extended): PByteArray; virtual; abstract;
+ constructor Create(SrcFormatInfo: TAudioFormatInfo;
+ DstFormatInfo: TAudioFormatInfo);
+ destructor Destroy(); override;
- function GetFrameWidth(): integer; virtual; abstract;
- function GetFrameHeight(): integer; virtual; abstract;
- end;
+ (**
+ * Converts the InputBuffer and stores the result in OutputBuffer.
+ * If the result is not -1, InputSize will be set to the actual number of
+ * input-buffer bytes used.
+ * Returns the number of bytes written to the output-buffer or -1 if an error occured.
+ *)
+ function Convert(InputBuffer: PByteArray; OutputBuffer: PByteArray; var InputSize: integer): integer; virtual; abstract;
-type
- // soundcard output-devices information
- TAudioOutputDevice = class
- public
- Name: UTF8String; // soundcard name
- end;
- TAudioOutputDeviceList = array of TAudioOutputDevice;
+ (**
+ * Destination/Source size ratio
+ *)
+ function GetRatio(): double; virtual; abstract;
-type
- IGenericPlayback = Interface
- ['{63A5EBC3-3F4D-4F23-8DFB-B5165FCE33DD}']
- function GetName: String;
+ function GetOutputBufferSize(InputSize: integer): integer; virtual; abstract;
+ property SrcFormatInfo: TAudioFormatInfo read fSrcFormatInfo;
+ property DstFormatInfo: TAudioFormatInfo read fDstFormatInfo;
end;
IVideo = interface
@@ -377,40 +372,40 @@ type
procedure SetScreen(Screen: integer);
function GetScreen(): integer;
-
+
procedure SetScreenPosition(X, Y: double; Z: double = 0.0);
procedure GetScreenPosition(var X, Y, Z: double);
- procedure SetWidth(Width: double);
- function GetWidth(): double;
-
- procedure SetHeight(Height: double);
- function GetHeight(): double;
-
+ procedure SetWidth(Width: double);
+ function GetWidth(): double;
+
+ procedure SetHeight(Height: double);
+ function GetHeight(): double;
+
{**
* Sub-image of the video frame to draw.
* This can be used for zooming or similar purposes.
*}
procedure SetFrameRange(Range: TRectCoords);
function GetFrameRange(): TRectCoords;
-
+
function GetFrameAspect(): real;
-
+
procedure SetAspectCorrection(AspectCorrection: TAspectCorrection);
function GetAspectCorrection(): TAspectCorrection;
-
+
procedure SetAlpha(Alpha: double);
function GetAlpha(): double;
-
+
procedure SetReflectionSpacing(Spacing: double);
function GetReflectionSpacing(): double;
procedure GetFrame(Time: Extended);
procedure Draw();
procedure DrawReflection();
-
-
+
+
property Screen: integer read GetScreen;
property Width: double read GetWidth write SetWidth;
property Height: double read GetHeight write SetHeight;
@@ -422,7 +417,44 @@ type
property Position: real read GetPosition write SetPosition;
end;
- IVideoPlayback = Interface( IGenericPlayback )
+ TVideoDecodeStream = class
+ public
+ function Open(const FileName: IPath): boolean; virtual; abstract;
+ procedure Close; virtual; abstract;
+
+ procedure SetLoop(Enable: boolean); virtual; abstract;
+ function GetLoop(): boolean; virtual; abstract;
+
+ procedure SetPosition(Time: real); virtual; abstract;
+ function GetPosition: real; virtual; abstract;
+
+ function GetFrameAspect(): real; virtual; abstract;
+ function GetFrame(Time: Extended): PByteArray; virtual; abstract;
+
+ function GetFrameWidth(): integer; virtual; abstract;
+ function GetFrameHeight(): integer; virtual; abstract;
+ end;
+
+type
+ // soundcard output-devices information
+ TAudioOutputDevice = class
+ public
+ Name: UTF8String; // soundcard name
+ end;
+ TAudioOutputDeviceList = array of TAudioOutputDevice;
+
+type
+ IMediaInterface = interface
+ ['{9C31F7EF-76DB-4EEC-949F-009A26D553A2}']
+ function GetName: String;
+ function GetPriority(): integer;
+ end;
+
+ IGenericPlayback = interface(IMediaInterface)
+ ['{63A5EBC3-3F4D-4F23-8DFB-B5165FCE33DD}']
+ end;
+
+ IVideoPlayback = interface(IGenericPlayback)
['{3574C40C-28AE-4201-B3D1-3D1F0759B131}']
function Init(): boolean;
function Finalize: boolean;
@@ -430,15 +462,15 @@ type
function Open(const FileName: IPath): IVideo;
end;
- IVideoVisualization = Interface( IVideoPlayback )
+ IVideoVisualization = interface(IVideoPlayback)
['{5AC17D60-B34D-478D-B632-EB00D4078017}']
end;
- IAudioPlayback = Interface( IGenericPlayback )
+ IAudioPlayback = interface(IGenericPlayback)
['{E4AE0B40-3C21-4DC5-847C-20A87E0DFB96}']
function InitializePlayback: boolean;
function FinalizePlayback: boolean;
-
+
function GetOutputDeviceList(): TAudioOutputDeviceList;
procedure SetAppVolume(Volume: single);
@@ -484,27 +516,25 @@ type
function CreateVoiceStream(ChannelMap: integer; FormatInfo: TAudioFormatInfo): TAudioVoiceStream;
end;
- IGenericDecoder = Interface
+ IGenericDecoder = interface(IMediaInterface)
['{557B0E9A-604D-47E4-B826-13769F3E10B7}']
- function GetName(): string;
function InitializeDecoder(): boolean;
function FinalizeDecoder(): boolean;
//function IsSupported(const Filename: string): boolean;
end;
- IVideoDecoder = Interface( IGenericDecoder )
+ IVideoDecoder = interface(IGenericDecoder)
['{2F184B2B-FE69-44D5-9031-0A2462391DCA}']
function Open(const FileName: IPath): TVideoDecodeStream;
end;
- IAudioDecoder = Interface( IGenericDecoder )
+ IAudioDecoder = interface(IGenericDecoder)
['{AB47B1B6-2AA9-4410-BF8C-EC79561B5478}']
function Open(const Filename: IPath): TAudioDecodeStream;
end;
- IAudioInput = Interface
+ IAudioInput = interface(IMediaInterface)
['{A5C8DA92-2A0C-4AB2-849B-2F7448C6003A}']
- function GetName: String;
function InitializeRecord: boolean;
function FinalizeRecord(): boolean;
@@ -512,31 +542,13 @@ type
procedure CaptureStop;
end;
-type
- TAudioConverter = class
- protected
- fSrcFormatInfo: TAudioFormatInfo;
- fDstFormatInfo: TAudioFormatInfo;
- public
- function Init(SrcFormatInfo: TAudioFormatInfo; DstFormatInfo: TAudioFormatInfo): boolean; virtual;
- destructor Destroy(); override;
-
- (**
- * Converts the InputBuffer and stores the result in OutputBuffer.
- * If the result is not -1, InputSize will be set to the actual number of
- * input-buffer bytes used.
- * Returns the number of bytes written to the output-buffer or -1 if an error occured.
- *)
- function Convert(InputBuffer: PByteArray; OutputBuffer: PByteArray; var InputSize: integer): integer; virtual; abstract;
-
- (**
- * Destination/Source size ratio
- *)
- function GetRatio(): double; virtual; abstract;
+ IAudioConverter = interface(IMediaInterface)
+ ['{01FB458C-D631-4CA2-9E39-BF1B0ACB1AD7}']
+ function Init(): boolean;
+ function Finalize(): boolean;
- function GetOutputBufferSize(InputSize: integer): integer; virtual; abstract;
- property SrcFormatInfo: TAudioFormatInfo read fSrcFormatInfo;
- property DstFormatInfo: TAudioFormatInfo read fDstFormatInfo;
+ function Open(SrcFormatInfo: TAudioFormatInfo;
+ DstFormatInfo: TAudioFormatInfo): TAudioConvertStream;
end;
(* TODO
@@ -607,12 +619,13 @@ procedure InitializeSound;
procedure InitializeVideo;
procedure FinalizeMedia;
-function Visualization(): IVideoPlayback;
-function VideoPlayback(): IVideoPlayback;
-function VideoDecoder(): IVideoDecoder;
-function AudioPlayback(): IAudioPlayback;
-function AudioInput(): IAudioInput;
-function AudioDecoders(): TInterfaceList;
+function Visualization(): IVideoPlayback;
+function VideoPlayback(): IVideoPlayback;
+function VideoDecoder(): IVideoDecoder;
+function AudioPlayback(): IAudioPlayback;
+function AudioInput(): IAudioInput;
+function AudioDecoders(): TInterfaceList;
+function AudioConverter(): IAudioConverter;
function MediaManager: TInterfaceList;
@@ -635,6 +648,7 @@ var
DefaultVisualization : IVideoPlayback;
DefaultAudioPlayback : IAudioPlayback;
DefaultAudioInput : IAudioInput;
+ DefaultAudioConverter: IAudioConverter;
AudioDecoderList : TInterfaceList;
MediaInterfaceList : TInterfaceList;
@@ -719,6 +733,11 @@ begin
Result := AudioDecoderList;
end;
+function AudioConverter(): IAudioConverter;
+begin
+ Result := DefaultAudioConverter;
+end;
+
procedure FilterInterfaceList(const IID: TGUID; InList, OutList: TInterfaceList);
var
i: integer;
@@ -745,6 +764,7 @@ var
InterfaceList: TInterfaceList;
CurrentAudioDecoder: IAudioDecoder;
CurrentAudioPlayback: IAudioPlayback;
+ CurrentAudioConverter: IAudioConverter;
CurrentAudioInput: IAudioInput;
begin
// create a temporary list for interface enumeration
@@ -781,6 +801,21 @@ begin
MediaManager.Remove(CurrentAudioPlayback);
end;
+ // find and initialize converter interface
+ DefaultAudioConverter := nil;
+ FilterInterfaceList(IAudioConverter, MediaManager, InterfaceList);
+ for i := 0 to InterfaceList.Count-1 do
+ begin
+ CurrentAudioConverter := InterfaceList[i] as IAudioConverter;
+ if (CurrentAudioConverter.Init()) then
+ begin
+ DefaultAudioConverter := CurrentAudioConverter;
+ break;
+ end;
+ Log.LogError('Initialize failed, Removing - '+ CurrentAudioConverter.GetName);
+ MediaManager.Remove(CurrentAudioConverter);
+ end;
+
// find and initialize input interface
DefaultAudioInput := nil;
FilterInterfaceList(IAudioInput, MediaManager, InterfaceList);
@@ -879,7 +914,9 @@ begin
FreeAndNil(AudioDecoderList);
DefaultAudioPlayback := nil;
DefaultAudioInput := nil;
+ DefaultAudioConverter := nil;
DefaultVideoPlayback := nil;
+ DefaultVideoDecoder := nil;
DefaultVisualization := nil;
// create temporary interface list
@@ -900,17 +937,22 @@ begin
for i := 0 to InterfaceList.Count-1 do
(InterfaceList[i] as IAudioDecoder).FinalizeDecoder();
+ // finalize audio converter interfaces
+ FilterInterfaceList(IAudioConverter, MediaManager, InterfaceList);
+ for i := 0 to InterfaceList.Count-1 do
+ (InterfaceList[i] as IAudioConverter).Finalize();
+
// finalize video interfaces
FilterInterfaceList(IVideoPlayback, MediaManager, InterfaceList);
for i := 0 to InterfaceList.Count-1 do
(InterfaceList[i] as IVideoPlayback).Finalize();
- // finalize video interfaces
+ // finalize video decoder interfaces
FilterInterfaceList(IVideoDecoder, MediaManager, InterfaceList);
for i := 0 to InterfaceList.Count-1 do
(InterfaceList[i] as IVideoDecoder).FinalizeDecoder();
- // finalize audio decoder interfaces
+ // finalize visualization interfaces
FilterInterfaceList(IVideoVisualization, MediaManager, InterfaceList);
for i := 0 to InterfaceList.Count-1 do
(InterfaceList[i] as IVideoVisualization).Finalize();
@@ -945,6 +987,7 @@ begin
writeln( '--------------------------------------------------------------' );
writeln( 'Registered Audio Playback Interface : ' + AudioPlayback.GetName );
writeln( 'Registered Audio Input Interface : ' + AudioInput.GetName );
+ writeln( 'Registered Audio Converter Interface: ' + AudioConverter.GetName );
writeln( 'Registered Video Playback Interface : ' + VideoPlayback.GetName );
writeln( 'Registered Video Decoder Interface : ' + VideoDecoder.GetName );
writeln( 'Registered Visualization Interface : ' + Visualization.GetName );
@@ -1049,16 +1092,16 @@ begin
end;
end;
-{ TAudioConverter }
+{ TAudioConvertStream }
-function TAudioConverter.Init(SrcFormatInfo: TAudioFormatInfo; DstFormatInfo: TAudioFormatInfo): boolean;
+constructor TAudioConvertStream.Create(
+ SrcFormatInfo: TAudioFormatInfo; DstFormatInfo: TAudioFormatInfo);
begin
fSrcFormatInfo := SrcFormatInfo.Copy();
fDstFormatInfo := DstFormatInfo.Copy();
- Result := true;
end;
-destructor TAudioConverter.Destroy();
+destructor TAudioConvertStream.Destroy();
begin
FreeAndNil(fSrcFormatInfo);
FreeAndNil(fDstFormatInfo);
diff --git a/mediaplugin/src/base/URecord.pas b/mediaplugin/src/base/URecord.pas
index 5cddcc77..de567aba 100644
--- a/mediaplugin/src/base/URecord.pas
+++ b/mediaplugin/src/base/URecord.pas
@@ -176,6 +176,7 @@ type
function UnifyDeviceName(const name: UTF8String; deviceIndex: integer): UTF8String;
public
function GetName: String; virtual; abstract;
+ function GetPriority: integer; virtual; abstract;
function InitializeRecord: boolean; virtual; abstract;
function FinalizeRecord: boolean; virtual;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 23:37:27 +0000