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Text File | 1995-02-07 | 1.8 KB | 79 lines | [TEXT/MPS ] |
- (*
- videoFramesPerSecond fr - Set the playing speed for the next playVideo command.
-
- To compile and link this file using Macintosh Programmer's Workshop,
-
- pascal -w videoFramesPerSecond.p
-
- link -m ENTRYPOINT -o HyperCommands -rt XCMD=8010 -sn Main=videoFramesPerSecond ∂
- videoFramesPerSecond.p.o "{MPW}"Libraries:interface.o "{MPW}"PLibraries:PasLib.o
-
- Copyright © 1988 Apple Computer, Inc.
-
- 2/88 - Initial coding by Harry R. Chesley.
- *)
-
- {$R-}
-
- {$S videoFramesPerSecond } { Segment name must be the same as the command name. }
-
- unit DummyUnit;
-
- interface
-
- uses MemTypes, QuickDraw, OSIntf, HyperXCmd;
-
- procedure EntryPoint(paramPtr: XCmdPtr);
-
- implementation
-
- type
-
- Str31 = String[31];
-
- procedure videoFramesPerSecond(paramPtr: XCmdPtr); forward;
-
- procedure EntryPoint(paramPtr: XCmdPtr);
-
- begin
- videoFramesPerSecond(paramPtr);
- end;
-
- procedure videoFramesPerSecond(paramPtr: XCmdPtr);
-
- var speed: str255;
-
- {$I XCmdGlue.inc}
-
- procedure Fail(errMsg: Str255); { set theResult and quit }
- begin
- paramPtr^.returnValue := PasToZero(errMsg);
- exit(videoFramesPerSecond);
- end;
-
- {$I VideoUtil.inc}
-
- begin
- if paramPtr^.paramCount <> 1 then Fail('parameter count is not 1');
-
- GetStrParm(1,speed);
-
- { Set the defaults. }
- if StringEqual(speed,'slowest') then speed := '1'
- else if StringEqual(speed,'slower') then speed := '10'
- else if StringEqual(speed,'slow') then speed := '15'
- else if StringEqual(speed,'normal') then speed := '30'
- else if StringEqual(speed,'fast') then speed := '60'
- else if StringEqual(speed,'faster') then speed := '90'
- else if StringEqual(speed,'fastest') then speed := '120';
-
- { Set the global that specifies the speed. }
- SetStrGlobal('videoSpeed',speed);
-
- { Now let the play change all this if it wants to. }
- GetStrParm(1,speed);
- videoCmd('fps',speed);
- end;
-
- end.
-