System and method for storage device emulation in a multimedia processing system

• US 20060212922A1
• Filed: 03/17/2005
• Published: 09/21/2006
• Est. Priority Date: 03/17/2005
• Status: Active Grant

• Current Assignee: VIXS Systems Incorporated (Pixelworks Incorporated)
• Original Assignee: VIXS Systems Incorporated (Pixelworks Incorporated)
• Inventors: Laksono, Indra
• Granted Patent: US 8,949,920 B2
• Time in Patent Office: Days
• US Class Current: 725/151
• CPC Class Codes: H04N 21/4135 external recorder interface circuits between an apparatus for recording television signals and a television receiver H04N5/775
• CPC Class Codes: H04N 5/765 Interface circuits between an apparatus for recording and another apparatus
• CPC Class Codes: H04N 5/85 on discs or drums
• CPC Class Codes: H04N 5/91 Television signal processing therefor
• CPC Class Codes: H04N 9/8042 involving data reduction

Abstract

A device and method for storage device emulation in a multimedia processing system are provided. The device includes a processing module to process multimedia data, a first mass storage device interface operably coupled to the processing module, the first mast storage interface operable to couple to a mass storage device interface of a multimedia processing device and a second mass storage device interface operably coupled to the first mass storage device and the processing module, wherein the second mass storage device is operable to couple to one or more mass storage devices. A method is also provided. The method comprises receiving a first multimedia data at first mass storage device interface of a first multimedia processing device, processing the first multimedia data at the first multimedia processing device to generate a first processed multimedia data and providing the first processed multimedia data to a second mass storage device interface of the first multimedia processing device for output.

Claims

1. A device comprising:

a processing module to process multimedia data;

a first mass storage device interface operably coupled to the processing module, the first mast storage interface operable to couple to a mass storage device interface of a multimedia processing device; and

a second mass storage device interface operably coupled to the first mass storage device and the processing module, wherein the second mass storage device is operable to couple to one or more mass storage devices.

2. The device of claim 1, further comprising:

a storage device emulator operably coupled to the first and second mass storage device interfaces, the storage device emulator operable to facilitate a transfer of multimedia data between the multimedia processing device and the first mass storage device interface and to facilitate a transfer of multimedia data between the second mass storage device interface and the one or more mass storage devices.

3. The device of claim 1, wherein:

the first mass storage device is operable to receive a first multimedia data from the multimedia processing device;

the processing module is operable to perform at least a first processing operation on the first multimedia data to generate a first processed data; and

the second mass storage device interface is operable to provide the first processed multimedia data to at least one of the one or more mass storage devices for storage on the at least one mass storage device.

4. The device of claim 3, wherein the first processing operation comprises at least one of an encoding operation, a decoding operation, a transcoding operation, a ciphering operation, a deciphering operation, or a DVD authoring operation.

5. The device of claim 4, wherein the processing module comprises at least one of an encoder, a decoder, a codec, a transcoder, a content protection module, a DVD authoring module, a deciphering module, or a ciphering module.

6. The device of claim 3, wherein:

the second mass storage device interface further is operable to receive a third multimedia data from the at least one mass storage device, the third multimedia data representing at least a portion of the first processed multimedia data stored on the at least one mass storage device;

the processing module is further operable to perform at least a second processing operation on the third multimedia data to generate a second processed multimedia data; and

the first mass storage device interface further is operable to provide the second processed multimedia data for reception by the mass storage device interface of the multimedia processing device.

7. The device of claim 6, wherein the first processing operation comprises a decoding operation and the second processing operation comprises an encoding operation.

8. The device of claim 6, wherein the first processing operation comprises an encoding operation and the second processing operation comprises a decoding operation.

9. The device of claim 6, wherein the first processing operation comprises an encoding operation and the second processing operation comprises a transcoding operation.

10. The device of claim 1, wherein:

the second mass storage device interface further is operable to receive a first multimedia data from the at least one mass storage device;

the processing module is operable to perform at least a first processing operation on the first multimedia data to generate a first processed multimedia data; and

the first mass storage device interface further is operable to provide the first processed multimedia data for reception by the mass storage device interface of the multimedia processing device.

11. The device of claim 1, wherein the first mass storage device interface comprises at least one of an ATA-compliant interface, an SATA-compliant interface, an ATAPI-compliant interface, a USB-compliant interface or an IEEE 1394-compliant interface.

12. The device of claim 11, wherein the second mass storage device interface comprises at least one of an ATA-compliant interface, an SATA-compliant interface, an ATAPI-compliant interface, a USB-compliant interface or an IEEE 1394-compliant interface.

13. The device of claim 1, further comprising an input to receive multimedia data from a multimedia feed.

14. The device of claim 13, wherein multimedia feed comprises at least one of a streaming multimedia data on a network, a cable television feed, a satellite television feed, or a terrestrial television feed.

15. A system comprising:

a first mass storage device;

a first multimedia processing device comprising;

a first processing module; and

a first mass storage device interface operably coupled to the first processing module; and

a second multimedia processing device comprising;

a second processing module;

a second mass storage device interface operably coupled to the first mass storage device and the second processing module; and

a third mass storage device interface operably coupled to at least the first mass storage device.

16. The system of claim 15, wherein the second multimedia processing device further comprises:

a storage device emulator operably coupled to the second and third mass storage device interfaces, the storage device emulator operable to facilitate a transfer of multimedia data between the first mass storage device interface and the second mass storage device interface and to facilitate a transfer of multimedia data between the third mass storage device interface and the first mass storage device.

17. The system of claim 16, wherein the second multimedia processing device appears as a conventional mass storage device to the first multimedia processing device.

18. The system of claim 15, wherein:

the first processing module is operable to perform a first processing operation on a first multimedia data to generate a first processed multimedia data;

the first mass storage device interface is operable to provide the first processed multimedia data to the second mass storage device interface;

the second mass storage device interface is operable to receive the first processed multimedia data from the first mass storage device interface;

the second processing module is operable to perform a second processing operation on the first processed multimedia data to generate a second processed multimedia data;

the third mass storage device interface is operable to provide the second processed multimedia data for storage on the first mass storage device.

19. The system of claim 18, wherein the first processing operation comprises at least one of an encoding operation, a decoding operation, a transcoding operation, a ciphering operation, or a deciphering operation.

20. The system of claim 19, wherein the second processing operation comprises at least one of an encoding operation, a decoding operation, a transcoding operation, a ciphering operation, a deciphering operation, or a DVD authoring operation.

21. The system of claim 15, wherein:

the third mass storage device interface is operable to receive a first multimedia data from the first mass storage device;

the second processing module is operable to perform a first processing operation on a first multimedia data to generate a first processed multimedia data;

the second mass storage device interface is operable to provide the first processed multimedia data to the first mass storage device interface;

the first mass storage device interface is operable to receive the first processed multimedia data from the second mass storage device interface; and

the first processing module is operable to perform a second processing operation on the first processed multimedia data to generate a second processed multimedia data.

22. The system of claim 15, wherein the first, second and third mass storage device interfaces include at least one of an ATA-compliant interface, an SATA-compliant interface, an ATAPI-compliant interface, a USB-compliant interface or an IEEE 1394-compliant interface.

23. The system of claim 15, wherein the at least one of the first or second multimedia processing devices further comprises an input to receive multimedia data from a multimedia feed.

24. A method comprising:

receiving a first multimedia data at first mass storage device interface of a first multimedia processing device;

processing the first multimedia data at the first multimedia processing device to generate a first processed multimedia data; and

providing the first processed multimedia data to a second mass storage device interface of the first multimedia processing device for output.

25. The method of claim 24, wherein the first mass storage device interface is operably coupled to a third mass storage device interface of a second multimedia processing device and the second mass storage device interface is operably coupled to at least one mass storage device.

26. The method of claim 25, wherein processing the first multimedia data comprises at least one of encoding the first multimedia data, decoding the first multimedia data, transcoding the first multimedia data, deciphering the first multimedia data, or ciphering the first multimedia data.

27. The method of claim 25, further comprising:

receiving a second multimedia data at the second mass storage device interface of the first multimedia processing device, the second multimedia data comprising at least a portion of the first processed multimedia data;

processing the second multimedia data at the first multimedia processing device to generate a second processed multimedia data; and

providing the second processed multimedia data to the first mass storage device interface of the first multimedia processing device for output to the third mass storage device interface of the second multimedia processing device.

28. The method of claim 24, wherein the second mass storage device interface is operably coupled to a third mass storage device interface of a second multimedia processing device and the first mass storage device interface is operably coupled to at least one mass storage device.

29. The method of claim 24, wherein the first multimedia processing device appears as a conventional mass storage device to the second multimedia processing device.

30. The method of claim 24, wherein the first and second mass storage device interfaces include at least one of an ATA-compliant interface, an SATA-compliant interface, an ATAPI-compliant interface, a USB-compliant interface or an IEEE 1394-compliant interface.