Multimedia player

• US 5,680,323 A
• Filed: 06/23/1995
• Issued: 10/21/1997
• Est. Priority Date: 06/23/1995
• Status: Expired due to Term

• Current Assignee: Canon Kabushiki Kaisha (Canon Inc.)
• Original Assignee: Canon Information Systems Incorporated (Canon Inc.)
• Inventors: Barnard, John D.
• Primary Examiner(s): Olms, Douglas W.
• Assistant Examiner(s): HOM, SHICK C
• Application Number:
  US08/494,077
• Time in Patent Office: 851 Days
• Field of Search: 364/514 A, 364/514 C, 364/514 R, 395/153, 395/154, 395/157, 395/165, 395/806, 370/110.1, 370/522, 370/260
• US Class Current: 715/720
• CPC Class Codes: G06F 9/451 Execution arrangements for user interfaces

Abstract

A method and apparatus for launching a multimedia player from an operating windowing application such that the multimedia player operates as a child window of the operating windowing application. The method and apparatus operate to launch the multimedia player in response to a user-selection of a predefined function in the operating windowing application, identify a main window within the operating windowing application from which the predefined function was selected, locate, within the main window, a target child window having both a specific class-type and a specific dimension, create, in the case that the child window is located, a playback window and overlaying the playback window onto the target child window, and play, within the playback window, a multimedia selection corresponding to the user-selected predefined function.

Claims

1. A method for launching a multimedia player from an operating windowing application such that a window of the multimedia player operates as a child window of the operating windowing application, the method comprising the steps of:

launching the multimedia player in response to a user-selection of a predefined function in the operating windowing application;

identifying a main window within the operating windowing application from which the predefined function was executed;

locating, within the main window, a target child window having both a specific class-type and a specific dimension;

creating, in the case that the target child window is located, a playback window of the multimedia player for playing a multimedia selection and overlaying the playback window onto the target child window such that playback window operates as a child window of the main window; and

playing, within the playback window, a multimedia selection corresponding to the user-selected predefined function.

2. A The method according to claim 1, wherein, in the identifying step, the multimedia player compares a predefined class name of a main window class-type to all main windows of operating windowing applications, finds a main window matching the class name, examines the matching main window'"'"'s task information for a predefined target application name, and stores, upon finding the predefined target application name, a window handle of the main window of the operating windowing application.

3. The method according to claim 1, wherein, in the locating step, a listing which includes window class-type and dimension of all child windows of the main window is retrieved by the multimedia player and is examined to determine if there exists a target child window having both a specific class-type and dimension.

4. The method according to claim 1, further comprising the step of determining whether the child window having the specific class-type and specific dimension is currently being displayed.

5. The method according to claim 4, further comprising the step of terminating execution of the multimedia player in the case a child window having both a specific class-type and dimension cannot be located or if the child window having both the specific class-type and dimension is determined not to be currently displayed.

6. The method according to claim 1, wherein, in the creating step, the multimedia player creates a playback window having at least a same dimension as that of the target child window, and causes the playback window to become a child window of the target child window.

7. The method according to claim 1, further comprising a monitoring step, which is implemented by the multimedia player, to monitor windowing messages between a Windows operating system and the operating windowing application.

8. The method according to claim 7, wherein the monitoring step further comprises the step of examining each windowing message sent to the operating windowing application, and determining if operation of the multimedia player should be altered based on a determination result in the determining step.

9. The method according to claim 1, wherein, in the playing step, the multimedia selection is an audio-video interlace (AVI) file.

10. The method according to claim 1, wherein, in the playing step, the multimedia selection is an audio/visual file.

11. The method according to claim 1, wherein, in the playing step, the multimedia selection is a visual file.

12. A multimedia player for playing a multimedia selection within an operating windowing application, comprising:

input means for inputting a user-selection of a windowing function;

memory means for storing process steps and a multimedia player application; and

process means for launching the multimedia player application within the operating windowing application in response to a user inputting a predefined windowing function using the stored process steps, wherein the multimedia player application, upon being launched,

     1) identifies a main window within the operating windowing application from which the predefined function was selected,

     2) locates, within the main window, a target child window having both a specific class-type and a specific dimension,

     3) creates, in the case that the child window is located, a playback window of the multimedia player and overlays the playback window onto the target child window such that the playback window operates as a child window of the main window, and

     4) plays, within the playback window, a multimedia selection corresponding to the user-selected predefined function.

13. A computer program product comprising:

a computer-usable medium having a computer-readable program code means embodied in the medium for causing a multimedia player to be launched within an operating windowing application comprising;

a computer-readable program code means for causing a computer to launch the multimedia player upon a user selecting a predefined function in the operating windowing application; and

a computer-readable program code means for causing the computer to execute the multimedia player to play a multimedia selection corresponding to the selected predefined function upon

     1) identifying the operating windowing application and a main window within the operating windowing application from which the predefined function was selected,

     2) locating, within the main window, a target child window having both a specific class-type and a specific dimension,

     3) creating, in the case that the target child window is located, a playback window of the multimedia player for playing a multimedia selection and overlaying the playback window onto the target child window such that the playback window operates as a child window of the main window, and

     4) playing, within the playback window, a multimedia selection corresponding to the user-selected predefined function.

14. Computer-executable process steps stored on a computer-readable medium, the process steps to launch a multimedia player from an operating windowing application such that a window of the multimedia player operates as a child window of the operating windowing application, the process steps comprising:

code to launch the multimedia player in response to a user-selection of a predefined function in the operating windowing application;

code to identify a main window within the operating windowing application from which the predefined function was executed;

code to locate, within the main window, a target child window having both a specific class-type and a specific dimension;

code to create, in the case that the target child window is located, a playback window of the multimedia player for playing a multimedia selection;

code to overlay the playback window onto the target child window such that playback window operates as a child window of the main window; and

code to play, within the playback window, a multimedia selection corresponding to the user-selected predefined function.

15. The computer-executable process steps according to claim 14, wherein the code to identify includes code to compare a predefined class name of a main window class-type to all main windows of operating windowing applications, code to find a main window matching the class name, code to examine the matching main window'"'"'s task information for a predefined target application name, and code to store, upon finding the predefined target application name, a window handle of the main window of the operating windowing application.

16. The computer-executable process steps according to claim 14, wherein the code to locate includes code to examine a listing which includes window class-type and dimension of all child windows of the main window to determine if there exists a target child window having both a specific class-type and dimension.

17. The computer-executable process steps according to claim 14, further comprising code to determine whether the child window having the specific class-type and specific dimension is currently being displayed.

18. The computer-executable process steps according to claim 17, further comprising code to terminate execution of the multimedia player in the case a child window having both a specific class-type and dimension cannot be located or if the child window having both the specific class-type and dimension is determined not to be currently displayed.

19. The computer-executable process steps according to claim 14, wherein, upon execution of the code to create, the multimedia player creates a playback window having at least a same dimension as that of the target child window, and causes the playback window to become a child window of the target child window.

20. The computer-executable process steps according to claim 14, further comprising code, which is implemented by the multimedia player, to monitor windowing messages between a Windows operating system and the operating windowing application.

21. The computer executable process steps according to claim 20, wherein the code to monitor further comprises code to examine each windowing message sent to the operating windowing application, and code to determine if operation of the multimedia player should be altered based on a determination result from the code to determine.

22. The computer-executable process steps according to claim 14, wherein, upon execution, the code to play plays a multimedia selection comprising an audio-video interlace (AVI) file.

23. The computer-executable process steps according to claim 14, wherein, upon execution, the code to play plays a multimedia selection comprising an audio-visual file.

24. The computer-executable process steps according to claim 14, wherein, upon execution, the code to play plays a multimedia selection comprising a visual file.

25. A computer-readable medium which stores computer-executable process steps to launch a multimedia player from an operating windowing application such that a window of the multimedia player operates as a child window of the operating windowing application, the computer-executable process steps comprising:

a launching step to launch the multimedia player in response to a user-selection of a predefined function in the operating windowing application;

an identifying step to identify a main window within the operating windowing application from which the predefined function was executed;

a locating step to locate, within the main window, a target child window having both a specific class-type and a specific dimension;

a creating step to create, in the case that the target child window is located, a playback window of the multimedia player for playing a multimedia selection and overlaying the playback window onto the target child window such that playback window operates as a child window of the main window; and

a playing step to play, within the playback window, a multimedia selection corresponding to the user-selected predefined function.

26. The computer-readable medium according to claim 25, wherein, in the identifying step, the multimedia player compares a predefined class name of a main window class-type to all main windows of operating windowing applications, finds a main window matching the class name, examines the matching main window'"'"'s task information for a predefined target application name, and stores, upon finding the predefined target application name, a window handle of the main window of the operating windowing application.

27. The computer-readable medium according to claim 25, wherein, in the locating step, a listing which includes window class-type and dimension of all child windows of the main window is retrieved by the multimedia player and is examined to determine if there exists a target child window having both a specific class-type and dimension.

28. The computer-readable medium according to claim 25, further comprising a determining step to determine whether the child window having the specific class-type and specific dimension is currently being displayed.

29. The computer-readable medium according to claim 28, further comprising a terminating step to terminate execution of the multimedia player in the case a child window having both a specific class-type and dimension cannot be located or if the child window having both the specific class-type and dimension is determined not to be currently displayed.

30. The computer-readable medium according to claim 25, wherein, in the creating step, the multimedia player creates a playback window having at least a same dimension as that of the target child window, and causes the playback window to become a child window of the target child window.

31. The computer-readable medium according to claim 25, further comprising a monitoring step, which is implemented by the multimedia player, to monitor windowing messages between a Windows operating system and the operating windowing application.

32. The computer-readable medium according to claim 31, wherein the monitoring step further comprises the step of examining each windowing message sent to the operating windowing application, and determining if operation of the multimedia player should be altered based on a determination result in the determining step.

33. The computer-readable medium according to claim 25, wherein, in the playing step, the multimedia selection is an audio-video interlace (AVI) file.

34. The computer-readable medium according to claim 25, wherein, in the playing step, the multimedia selection is an audio/visual file.

35. The computer-readable medium according to claim 25, wherein, in the playing step, the multimedia selection is a visual file.