CA2469554A1 - Controlling buffer capacity for personal video recorder while displaying available disk space - Google Patents

Controlling buffer capacity for personal video recorder while displaying available disk space Download PDF

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Publication number
CA2469554A1
CA2469554A1 CA002469554A CA2469554A CA2469554A1 CA 2469554 A1 CA2469554 A1 CA 2469554A1 CA 002469554 A CA002469554 A CA 002469554A CA 2469554 A CA2469554 A CA 2469554A CA 2469554 A1 CA2469554 A1 CA 2469554A1
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Canada
Prior art keywords
media content
space
buffer
free space
content instances
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Granted
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CA002469554A
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French (fr)
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CA2469554C (en
Inventor
Harold J. Plourde, Jr.
Arturo A. Rodriguez
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Cisco Technology Inc
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Individual
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Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • H04N21/4147—PVR [Personal Video Recorder]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42661—Internal components of the client ; Characteristics thereof for reading from or writing on a magnetic storage medium, e.g. hard disk drive
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4333—Processing operations in response to a pause request
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4335—Housekeeping operations, e.g. prioritizing content for deletion because of storage space restrictions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4438—Window management, e.g. event handling following interaction with the user interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47214—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems

Abstract

Allocating and storing media content (Fig.3A) instance files in a hard disk (300) of a storage device (373) of a media client device in a subscriber television system. In one embodiment, the system includes a memory for storing logic, a buffer space in the hard disk (300) for buffering media content instances as buffered media content instance files, and a processor configured with the logic to track the size of permanent media content instance files and the buffered media content instance files to provide an indication of available free space, such that the indication is independent of the buffer space.

Claims (44)

  1. Therefore, having thus described the invention, at least the following is claimed:
    A system for managing the allocation and storage of media content instance files in a hard disk of a storage device coupled to a media client device in a subscriber television system, comprising:
    a memory for storing logic;
    a buffer space in the hard disk for buffering media content instances as buffered media content instance files; and a processor configured with the logic to track the size of permanent media content instance files and the buffered media content instance files to provide an indication of available free space, such that the indication is independent of the buffer space.
  2. 2. The system of claim 1, wherein the processor is further configured with the logic to provide a user interface, responsive to a user input, wherein the user interface provides the indication of available free space for permanently recording media content instances, wherein the permanently recorded media content instances are configured as the permanently recorded media content instance files.
  3. 3. The system of claim 2, wherein the permanently recorded media content instance files can be deleted from the storage device.
  4. 4. The system of claim 2, wherein the user input is implemented with a remote control device.
  5. 5. The system of claim 2, wherein the permanently recorded media content is from the buffer space.
  6. 6. The system of claim 2, wherein the permanently recorded media content is a scheduled recording initially written to non-buffer space.
  7. 7. The system of claim 1, wherein the buffer space, the available free space, and permanently recorded space are located on the hard disk.
  8. 8. The system of claim 1, wherein the buffer space and permanently recorded space are allocated from the free space on the hard disk.
  9. 9. The system of claim 1, wherein the buffer space and permanently recorded space have physical locations on the hard disk.
  10. 10. The system of claim 1, wherein the buffer space and the available free space is measured in units of time.
  11. 11. The system of claim 1, wherein the buffer space and the available free space is measured in units of hard disk space.
  12. 12. The system of claim 1, wherein the processor is further configured with the logic to buffer analog broadcast media content instances, received at a communications interface, as digitally compressed media content instances.
  13. 13. The system of claim 1, wherein the processor is further configured with the logic to buffer an analog signal received at a connector from a consumer electronics device, as a digitally compressed media content instance.
  14. 14. The system of claim 1, wherein the processor is further configured with the logic to buffer digital broadcast media content instances, received at a communications interface, as digitally compressed media content instances.
  15. 15. The system of claim 1, wherein the processor is further configured with the logic to buffer digital media-on-demand media content instances, received at a communications interface from a remote server, as digitally compressed media content instances.
  16. 16. The system of claim 1, wherein the processor is further configured with the logic to buffer digital media content instances, received at a digital communications port from a local network, as digitally compressed media content instances.
  17. 17. The system of claim 1, wherein the processor is further configured with the logic to buffer digital media content instances, received at a digital communications port from a local device, as digitally compressed media content instances.
  18. 18. The system of claim 1, wherein the processor is further configured with the logic to determine the available free space after subtracting buffer space capacity from total disk space.
  19. 19. The system of claim 1, wherein the processor is configured with the logic to reduce the available free space by the amount of the space used for the permanent media content instance files.
  20. 20. The system of claim 1, wherein the processor is configured with the logic to increase the available free space by the amount of the space recovered from a deleted permanent media content instance files.
  21. 21. The system of claim 1, wherein the indication of the free space available is configured in time of space available for the permanent media content instance files.
  22. 22. The system of claim 1, wherein the free space indication is unaffected by writes to and deletions from the buffer space.
  23. 23. A method for managing the allocation and storage of media content instance files in a hard disk of a storage device coupled to a media client device in a subscriber television system, comprising the steps of:
    buffering media content instances into buffer space as buffered media content instance files;
    tracking the size of permanent media content instance files and buffered media content instance files; and providing an indication of available free space, such that the indication is independent of the buffer space.
  24. 24. The method of claim 23, further comprising the step of providing a user interface, responsive to a user input, wherein the user interface provides the indication of available free space for permanently recording media content instances, wherein the permanently recorded media content instances are configured as the permanently recorded media content instance files.
  25. 25. The method of claim 24, wherein the permanently recorded media content instance files can be deleted from the storage device.
  26. 26. The method of claim 24, wherein the user input is implemented with a remote control device.
  27. 27. The method of claim 24, wherein the permanently recorded media content is from the buffer space.
  28. 28. The method of claim 24, wherein the permanently recorded media content is a scheduled recording initially written to non-buffer space.
  29. 29. The method of claim 23, wherein the buffer space, the available free space, and permanently recorded space are located on the hard disk.
  30. 30. The method of claim 23, wherein the buffer space and permanently recorded space are allocated from the free space on the hard disk.
  31. 31. The method of claim 23, wherein the buffer space and permanently recorded space have physical locations on the hard disk.
  32. 32. The method of claim 23, wherein the buffer space and the available free space is measured in units of time.
  33. 33. The method of claim 23, wherein the buffer space and the available free space is measured in units of hard disk space.
  34. 34. The method of claim 23, further comprising the step of buffering analog broadcast media content instances, received at a communications interface, as digitally compressed media content instances.
  35. 35. The method of claim 23, further comprising the step of buffering an analog signal received at a connector from a consumer electronics device, as a digitally compressed media content instance.
  36. 36. The method of claim 23, further comprising the step of buffering digital broadcast media content instances, received at a communications interface, as digitally compressed media content instances.
  37. 37. The method of claim 23, further comprising the step of buffering digital media-on-demand media content instances, received at a communications interface from a remote server, as digitally compressed media content instances.
  38. 38. The method of claim 23, further comprising the step of buffering digital media content instances, received at a digital communications port from a local network, as digitally compressed media content instances.
  39. 39. The method of claim 23, further comprising the step of buffering digital media content instances, received at a digital communications port from a local device, as digitally compressed media content instances.
  40. 40. The method of claim 23, further comprising the step of buffering determining the available free space after subtracting buffer space capacity from total disk space.
  41. 41. The method of claim 23, further comprising the step of buffering reducing the available free space by the amount of the space used for the permanent media content instance files.
  42. 42. The method of claim 23, further comprising the step of increasing the available free space by the amount of the space recovered from deleted permanent media content instance files.
  43. 43. The method of claim 23, further comprising the step of configuring the indication of the free space available in time of space available for the permanent media content instance files.
  44. 44. The method of claim 23, wherein the indication of the free space available is unaffected by writes to and deletions from the buffer space.
CA2469554A 2001-12-06 2002-12-05 Controlling buffer capacity for personal video recorder while displaying available disk space Expired - Fee Related CA2469554C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/010,270 US7962011B2 (en) 2001-12-06 2001-12-06 Controlling substantially constant buffer capacity for personal video recording with consistent user interface of available disk space
US10/010,270 2001-12-06
PCT/US2002/038778 WO2003051044A1 (en) 2001-12-06 2002-12-05 Controlling buffer capacity for personal video recorder while displaying available disk space

Publications (2)

Publication Number Publication Date
CA2469554A1 true CA2469554A1 (en) 2003-06-19
CA2469554C CA2469554C (en) 2012-10-30

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Country Status (5)

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US (2) US7962011B2 (en)
EP (1) EP1464169A4 (en)
CA (1) CA2469554C (en)
DE (1) DE02791374T1 (en)
WO (1) WO2003051044A1 (en)

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US7962011B2 (en) 2011-06-14
US20030110513A1 (en) 2003-06-12
EP1464169A1 (en) 2004-10-06
WO2003051044A1 (en) 2003-06-19
US9319733B2 (en) 2016-04-19
EP1464169A4 (en) 2009-02-25
US20110305440A1 (en) 2011-12-15
DE02791374T1 (en) 2005-03-31

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