KR100896060B1 - Method for controling a playback in interactive optical disc player - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reproduction control method in an interactive optical disc apparatus, wherein the interactive optical disc apparatus cooperatively reproduces A / V data and content data of an optical disc such as an interactive DVD and content data provided from a content providing server. By referring to the attribute information on the content data, the content data read out from the optical disc or the content data provided from the content providing server are reproduced and outputted appropriately for the attribute information, so that in the interactive optical disc apparatus, It is a very useful invention that enables more efficient reproduction control of reproduction operations for other types of source data.

Interactive DVD, Content Providing Server, Property Information, Content File Information, Content File Name, Meta Tag, Image Tag

Description

{Method for controling a playback in interactive optical disc player}

1 illustrates a configuration of an interactive optical disk apparatus to which a reproduction control method according to the present invention is applied.

2 conceptually illustrates an A / V data stream, content navigation information, and content data files according to the present invention;

3 shows a first embodiment in which attribute information of a content file according to the present invention is recorded and managed;

4 shows a second embodiment in which attribute information of a content file according to the present invention is recorded and managed;

5 shows a third embodiment in which attribute information of a content file according to the present invention is recorded and managed;

Fig. 6 shows a fourth embodiment in which the attribute information of the content file according to the present invention is recorded and managed.

※ Explanation of code for main part of drawing

10: interactive DVD 11: optical pickup

12: IDVD system 13: micom

14: internet interface 15: buffer memory

100: interactive optical disk device 200: Internet

300: content providing server

The present invention relates to an A / V data and content data recorded on an optical disc such as an interactive digital versatile disc (I-DVD), and a dialogue for effective reproduction control of content data provided from a content providing server through the Internet. A reproduction control method in a fluorescent disk device.

In general, a high density optical disc capable of recording and storing a large amount of digital data, such as a DVD, is widely used. The DVD has a large capacity capable of recording and storing not only digital audio data but also high definition video data for a long time. It is commercially available as a recording medium.

The DVD may include a navigation data recording area in which navigation data necessary for controlling playback of the moving picture data is recorded and a data stream recording area in which a digital data stream such as the moving picture data is recorded and stored. .

Therefore, in the general DVD player, when the DVD is inserted and seated in the device, the navigation data recorded in the navigation data recording area is read out, stored in a memory in the device, and then the data stream is used using the navigation data. A DVD reproducing operation of reading out and reproducing moving picture data recorded in the recording area is performed.

Accordingly, the user having the DVD player can not only play and watch the high quality video data recorded on the DVD for a long time, but also can use various functions provided by the DVD.

On the other hand, recently, the interactive DVD which additionally records detailed information related to the A / V data read and reproduced from the DVD as various content data such as an 'html file' and the like, is read on the DVD and read out and reproduced through an interface with the user. I-DVD) is being discussed among related companies, and when such interactive DVD is commercialized, it is expected that users can easily search various contents data related to the A / V data. It is becoming.

Further, while reproducing A / V data and content data recorded on the interactive DVD (I-DVD), other various content data can be provided from a content providing server connected and connected through the Internet, and reproduced and outputted. In order to solve this problem, a method for appropriately controlling playback of the content data according to its attributes has not yet been prepared, and therefore, a solution for this solution is urgently required.

Accordingly, the present invention was created in view of the above situation, and in an interactive optical disc apparatus for cooperatively reproducing A / V data and content data of an optical disc such as an interactive DVD, and content data provided from a content providing server, In the interactive optical disc apparatus for reproducing and outputting the content data read out from the optical disc or the content data provided from the content providing server according to the attribute information with reference to the attribute information on the content data. To provide a control method of the reproduction, the purpose is.

The reproduction control method of the interactive optical disc apparatus according to the present invention for achieving the above object is a step 1 to search and confirm the attribute information of the content data read from the interactive optical disc, or the content data provided from the content providing server ; And reproducing and outputting an image of the content data corresponding to at least one of the image type and the screen ratio of the content data according to the checked attribute information of the content data.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of a reproduction control method in an interactive optical disc apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 shows a configuration of an interactive optical disc apparatus to which a reproduction control method according to the present invention is applied. The interactive optical disc apparatus, for example, the interactive DVD player 100, includes an optical pickup 11, An IDVD system 12, a microcomputer 13, a buffer memory 14, and an internet interface 15 may be included, and connected to the content providing server 300 through the internet interface 15. Can be.

In the IDVD system 12, a DVD engine for reproducing and outputting A / V data read out from the interactive DVD 10, content data provided from the content providing server 30, or dialogue An ENAV engine (Enhanced Navigation Engine) for reproducing and outputting content data read from the type DVD may be included.

On the other hand, in the IDVD system 12, the A / V data read out from the interactive DVD 10 and the content data are synchronized and reproduced and output. In the Internet interface 15, as shown in FIG. The microcomputer 13 is connected to the content providing server 300 through the Internet 200 by the interaction of the ENAV engine embedded in the IDVD system 12.

The buffer memory 14 stores various content data provided from the content providing server 300, for example, various ENAV content data such as data files related to video data read from the interactive DVD 10. After downloading and temporarily storing the buffer memory 14, the buffer memory 14 may be logically divided into a first buffer Buffer 1 and a second buffer Buffer 2.

Further, in the ENAV engine in the IDVD system 12, A / V video data and ENAV content data read out from the interactive DVD 10 are synchronized and reproduced or outputted, or the A / V data and content providing server. Another ENAV content data provided from 300 is synchronized and reproduced and output.

Meanwhile, ENAV content data recorded and stored in the interactive DVD 10 may be classified and managed as a plurality of data files, and ENAV navigation information for controlling reproduction of the data files may be recorded and managed. In the content providing server 300, providing various ENAV contents data related to the A / V data recorded in the interactive DVD 10 as a plurality of data files, and controlling reproduction of the data files. To provide ENAV navigation information.

For example, as shown in FIG. 2, the interactive DVD 10 corresponds to a plurality of chapters (Chapter # 1, # 2 ...) recorded and managed as one title (Title # 1). At least one data file (File # 1, # 2 ...) is classified into ENAV units (ENAV_Unit), and navigation information for controlling reproduction of data files included in the ENAV unit is included in the ENAV unit information ( ENAV_Unit_Info).

And a plurality of ENAV unit information (ENAV_Unit # 1_Info, ENAV_Unit # 2_Info ..). Defined as a 'Link List', the files are transmitted together with the files of the ENAV content data, or transmitted before the files of the ENAV content data are transmitted.

Meanwhile, as shown in FIG. 3, the ENAV unit information includes a file name (File (s) Name) for at least one or more data files included in the corresponding ENAV unit, and a file recording address in the content providing server. File (s) Address and File (s) Attribute information may be included.

In addition, the file attribute information includes, for example, an image type (Type) of a second file (File # 2) included in a second ENAV unit (ENAV_Unit # 2), which is 'Type = Non_Square', and an aspect ratio. ) Can be recorded including the information "Ratio = 16: 9", and the image type for the third file (File # 3) is 'Type = Square' and the aspect ratio is " Quick information including Ratio = 4: 3 'may be recorded.

Therefore, in the microcomputer 13 of the interactive DVD player, A / V reproduced and outputted by the DVD engine with reference to 'File (s) Name' and 'File (s) Address' included in ENAV unit information. The chapter of the data stream and the data files reproduced and outputted by the ENAV engine are controlled to be reproduced and output in a correlation.

The image of the content data reproduced and output by the ENAV engine is referred to the attribute by referring to the image type and aspect ratio information of 'File (s) Attribute' included in the ENAV unit information. A series of playback control operations are performed to ensure that the output is displayed in the appropriate type and aspect ratio.

Meanwhile, instead of separately recording and managing the above attribute information, the attribute information may be indirectly identified through the file name of the content data. For example, as illustrated in FIG. 4, the image type of the first file is' Type = Square 'and the first file name is recorded and managed as' File # 1_S_R_4' to identify that the aspect ratio is' Ratio = 4: 3 '.

The second file name is recorded and managed as 'File # 2_NS_R_16' so that the image type of the second file is 'Type = Non_Square' and the aspect ratio is 'Ratio = 16: 9'. In the microcomputer 13 of the interactive DVD player, the type and aspect ratio information for the image of the file is identified with reference to the file name, and then the content data reproduced and output by the ENAV engine is displayed. A series of playback control operations are performed to cause the image to be displayed and output in a type and aspect ratio suitable for the attribute.

In addition, as shown in FIG. 5, the attribute information may be recorded in the meta tag information. For example, the files of the content data may be files such as '* .html'. In this case, in the meta tag information recorded and included in the header area of the file, attribute information for identifying the image type and the aspect ratio is additionally recorded.

For example, in the meta tag information recorded in the header area of the first file, it may be identified that the image type of the file is 'Type = Square' and the aspect ratio is 'Ratio = 4: 3'. In order to ensure that the attribute information 'image = Square_4: 3' is additionally recorded, and in the meta tag information recorded in the header area of the second file, the image type of the file is 'Type = Non_Square' and the aspect ratio In order to be able to identify that (Ratio) is 'Ratio = 16: 9', attribute information of 'image = Non-Square_16: 9' is additionally recorded.

On the other hand, the microcomputer 13 of the interactive DVD player refers to the attribute information additionally recorded in the meta tag information, and identifies the type and aspect ratio of the image of the corresponding file. In addition, a series of playback control operations are performed such that the image of the content data reproduced and output by the ENAV engine is outputted and displayed in a type and aspect ratio suitable for the attribute.

And. As shown in FIG. 6, the attribute information may be recorded and included in tag information of a general data file. For example, the tag may be recorded in the beginning or the end of a file of the content data. In the information, attribute information for identifying the image type and aspect ratio is additionally recorded as image tag information.

For example, in tag information included and recorded in the first area of the first file, it is possible to identify that the image type of the file is 'Type = Square' and the aspect ratio is 'Ratio = 4: 3'. In the tag information recorded additionally and recorded in the trailing area of the second file, the image type of the file is 'Type = Non_Square', and the aspect ratio is 'Ratio = 16: 9'. Additionally record attribute information to identify

On the other hand, the microcomputer 13 of the interactive DVD player refers to the attribute information additionally recorded in the tag information, and identifies the type and aspect ratio of the image of the corresponding file, and then, A series of playback control operations are performed in which an image of content data reproduced and output by the ENAV engine is outputted and displayed in a type and aspect ratio suitable for the attribute.

Accordingly, the interactive DVD player 100 can reproduce and output ENAV content data reproduced in association with A / V data read out from the interactive DVD 10 at an image type and aspect ratio suitable for the attribute. .

For reference, in addition to the image type and the aspect ratio of the content data, other various attribute information may be recorded in the attribute information.

As mentioned above, preferred embodiments of the present invention are disclosed for purposes of illustration, and those skilled in the art can improve and change various other embodiments within the spirit and technical scope of the present invention disclosed in the appended claims below. , Replacement or addition would be possible.

The reproduction control method of the interactive optical disc apparatus according to the present invention as described above comprises an interactive optical disc for cooperative reproduction of A / V data, content data, and content data provided from a content providing server of an optical disc such as an interactive DVD. In the apparatus, the interactive optical disc apparatus reproduces and outputs the content data read out from the optical disc or the content data provided from the content providing server in accordance with the attribute information with reference to the attribute information on the content data. Therefore, the present invention is a very useful invention that enables more efficient reproduction control of reproduction operations for different types of source data.

Claims (15)

Receiving at least one unit related information corresponding to a unit as content data; And  Decoding the unit related information to process at least one data file included in the unit based on the address data and the attribute information included in the unit related information,  And the unit comprises at least one data file, and wherein the attribute information includes a format of a data file. The method of claim 1, And the content data is obtained through the Internet. The method of claim 2, And the content data is obtained from a content providing server via the Internet. The method of claim 1, And the data file is obtained from a stream of content data. The method of claim 1, And the content data is obtained from an optical disc. The method of claim 1, And the address data indicates at least one of a position of the data file and information related to the data file. delete The method of claim 1, And the content data comprises ENAV (Enhanced Navigation) content data. The method of claim 1, And the content data includes ENAV unit information as the unit related information. The method of claim 1, The format is a content data decoding method, characterized in that the aspect ratio. The method of claim 1, And the unit related information is linked with an associated data file. The method of claim 1, And the unit related information is obtained through the Internet. The method of claim 1, And the unit related information is obtained from an optical disc. The method of claim 1, And the unit related information is obtained from a stream of content data. A buffer memory for receiving and storing at least one unit related information corresponding to a unit as content data; And A processor for decoding the unit related information for processing the at least one data file included in the unit based on the address data and the attribute information included in the unit related information, And the unit includes at least one data file, and wherein the attribute information includes a format of a data file.

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