KR100364675B1 - Apparatus and method for supporting player shell of video cdp - Google Patents

Abstract

PURPOSE: An apparatus and a method for supporting a player shell of a video CDP(Compact Disk Player) are provided to reproduce various pictures by storing and reproducing the player shell wanted by the user. CONSTITUTION: An interactive MPEG data control unit(106) discriminates kinds of data written at a compact disk. If the data is digital audio data, the digital audio data is processed. Otherwise, a player shell is started. It is judged whether a player shell picture is MPEG video data or interactive data after checking key input of an image data selecting part(104). The capacity of an external memory(105) is checked. If the key input is an eliminating signal, contents of the external memory is deleted. If the key input is a change signal, the current picture is checked and stored at the external memory. The compact disk is read for discriminating kinds of data. Audio, cdi video and MPEG video data are processed according to the read result. The processed cdi video and MPEG video data are output to the picture. The key input of the image data selecting part is searched to delete or change the contents of the external memory.

Description

Video Shell (CDP) Playershell Support Device and Method

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a video CD (PDP), and more particularly to a video CD (CDP) which allows a user to view a selected player shell on a screen by storing the desired player shell in a memory and playing the stored player shell when desired. The present invention relates to a device and a method for supporting a playershell of the present invention.

The conventional CD player support device includes a compact disc player unit 1 for reading, decoding and outputting audio / video data recorded on a compact disc, as shown in FIG. A digital signal processor 2 for digitally processing audio / video data decoded and output from the disc player unit 1, a host interface unit 3 for interface with a host, and the host interface unit 3 Determining whether it is audio data, interactive data, or MPEG video data by searching through the data, and controlling the user interface to draw player shell programs from internal pyromium (not shown in the accompanying drawings) according to the result of the determination. Interactive / MPEG data controller 4 for outputting a signal, and the interactive / MPEG data controller According to the control signal output from (4), the MPEG video data interfaced from the host interface unit 3 is received, and I-picture (Intra picture), B-picture (Bidirectional picture), and P-picture (Predict). an MPEG video data processing unit 5 for decoding into a picture and storing or outputting the same in the first memory 6 and interfaced from the host interface unit 3 under the control of the interactive / MPEG data control unit 4. The interactive video data processing unit 7 receives and decodes the interactive video data and stores or outputs the interactive video data in the second memory 8, and the MPEG video according to the control signal output from the interactive / MPE data control unit 4. Digital / analog for converting the MPEG data and the interactive video data output from the data processing unit 5 and the interactive video data processing unit 7 into analog signals and outputting the analog signals. It consists of oil (9) and the digital / analog converter (9) the R, G, television (TV) encoder 10 encodes the B signal for output to the composite (Composite) video signal output from.

A player shell supporting device of a conventional video CD (CDP) configured as described above first inserts a compact disc (CD) into the compact disc player unit 1 after the user resets the main system and boots a necessary application from the boot system. (S1, S2).

Then, the compact disc player unit 1 reads and decodes the contents of the compact disc and outputs the decoded signal to the digital signal processing unit 2.

Accordingly, the digital signal processing unit 2 processes the digital signal decoded from the compact disc player unit 1 and outputs the digital signal to the host interface unit 3.

Then, the host interface unit 3 outputs the data output from the digital signal processing unit 2 to the interactive / MPEG data control unit 4.

Accordingly, the interactive / MPEG data control section 4 searches the data output from the host interface section 3 to determine whether it is Cd_da, interactive data, or MPEG video data.

That is, the interactive / MPE data control section 4 controls the output of the data to an audio digital / analog converter (not shown in the accompanying drawings) if the data search result is Cd_da (S3).

Then, the audio digital / analog converter converts the Cd_da into an analog signal and outputs the stereo signal to a speaker (not shown in the accompanying drawing) as a stereo signal (S4).

Accordingly, the speaker transmits the analog signal output from the audio digital / analog converter, thereby allowing the user to hear the audio sound (S5).

On the other hand, the interactive / MPE data control unit 4 retrieves the data output from the host interface unit 3, and if not Cd_da, starts the player shell (S6), reads the data of the CD, and then performs the interface. A BMA transmission signal for outputting is output (S7, S8).

Thereafter, the main memory is checked to determine whether it is audio data, interactive data, or MPEG video data, and if the determination result is audio data, the audio data is output to an audio digital / analog converter (not shown in the accompanying drawings) (S10).

Then, the audio digital / analog converter converts the audio data output from the interactive / MPE data controller 4 into an analog signal, and then applies the stereo signal to the speaker (not shown in the accompanying drawings) (S11). .

Accordingly, the speaker transmits the applied analog signal, whereby the user can hear the audio sound (S12).

In addition, the interactive / MPEG data controller 4 causes the data of the host interface 3 to interface with the MPEG video data processor 5 if the MPEG data is the search result of the main memory (S13). .

Then, the MPEG video data processing unit 5 performs I-picture (Intra) on the MPEG video data interfaced from the host interface unit 3 according to the player shell data output from the interactive / MPEG data control unit 4. Decode the picture, B-picture (Bidirectional picture), P-picture (Predict picture) and store it in the first memory 6 and output the decoded MPEG data to the digital / analog converter 9. (S14).

Accordingly, the digital / analog converter 9 converts the MPEG data output from the MPEG video data processor 5 into analog R, G, and B signals and outputs the analog R, G, and B signals to the TV encoder 10.

Then, the TV encoder 10 encodes the analog R, G, and B signals output from the digital / analog converter 9 and outputs them to the screen as a composite video signal so that an image can be viewed ( S15, S16).

In addition, the interactive / MPE data control unit 4 causes the data of the host interface unit 3 to interface with the interactive video data processing unit 5 if the search result is interactive data (S17).

Then, the interactive video data processor 7 receives and decodes the interactive video data from the host interface 3 according to the signal output from the interactive / MPE data controller 4 and decodes the second video data. 8) and output the decoded interactive data to the digital / analog converter 9 (S18).

Accordingly, the digital / analog converter 9 converts the interactive player shell data decoded from the interactive video data processing unit 7 into analog R, G, and B signals and outputs the analog R, G, and B signals to the TV encoder 10. do.

Then, the TV encoder 10 encodes the analog R, G, and B signals output from the digital / analog converter 9 and outputs them to the screen as composite video signals so that the user can use the application program. (S19, S20).

However, the player shell support device of the conventional video CD has a problem in that only a fixed screen can be seen at all times because it is a fixed screen designed by a designer and then stored in an EPROM.

Accordingly, the present invention is to solve the problems of the prior art as described above, an object of the present invention is to store the player shell desired by the user in the memory and to play the stored player shell when the user wants the selected player shell in the screen It's about making it visible.

Technical means for achieving the object of the present invention is

Host interface means for interfacing the signal decoded audio / video data recorded on the compact disc with the host;

Image data selection means for generating an image data storage signal for storing the player shell and generating an image data selection signal for reproducing and viewing the stored image data;

Search the data through the host interface means to determine the type of data, and draw the player shell program from the internal pyrom according to the determination result, and transfer the image data to the external memory according to the storage signal or the selection signal of the image data selecting means. Interactive / MPEG data control means for controlling the storage or retrieval and output the stored image data;

An external memory for storing image data and extracting and outputting the stored image data according to the control of the large format / MPEG data control means;

According to the control signal output from the interactive / MPEG data control means, MPEG video data interfaced from the host interface means is applied to the I-picture (Intra picture), B-picture (Bidirectional picture), and P-picture. MPEG video data processing means for extracting and decoding image data stored in an external memory according to a selection signal decoded into a (Predict picture) or outputted from the image data selecting means, and storing the same or stored in the first memory;

Under the control of the interactive / MPE data control means, the interactive video data interfaced from the host interface means is received and decoded, or the image data stored in the external memory is extracted and decoded according to the selection signal output from the image data selection means. Interactive video data processing means for storing or outputting the same in a second memory;

The digital / analog converter converts the MPEG data and the interactive video data output from the MPEG video data processing means and the interactive video data processing means into analog signals according to the control signal output from the interactive / MPEG data control means. Wow,

And a TV encoder for encoding an analog signal output from the digital / analog converter and outputting the analog video signal as a composite video signal.

The method for achieving the object of the present invention is

A first step of determining the type of the data recorded on the compact disc and processing the digital audio data as a result of the determination; otherwise, starting the player shell;

After checking the key input of the image data selection unit after the first step, it is determined whether the player shell screen is MPEG video data or interactive data, and the capacity of the external memory is checked. A second process of checking the current screen and storing it in an external memory if the signal is deleted and changed;

A third process of reading a compact disc after the second process to determine the type of data and processing audio, cdi video, and MPEG video data according to the determination result;

After outputting the cdi video and MPEG video data processed in the third process to the screen, a fourth process of deleting or changing the contents of the external memory by searching for a key input of the image data selection unit.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

3 is a block diagram of a video CD player shell support apparatus according to the present invention, which reads and decodes audio / video data recorded on a compact disc in the compact disc player unit 101, and decodes the decoded signal. A digital signal processor 102 for processing a digital signal processor, a host interface 103 for interfacing the data output from the digital signal processor 102 to a host, and an image data storage signal for storing a player shell, An image data selection unit 104 for generating an image data selection signal for reproducing and viewing the stored image data; and storing the image data according to the storage signal of the image data selection unit 104 and storing the image data according to the selection signal. The external memory 105 which draws out data and the data via the host interface unit 103 The type of data is determined to determine the type of data, and the player shell program is extracted from the internal pyramid (not shown in the accompanying drawings) according to the result of the determination, and the image data is stored in accordance with the storage signal of the image data selection unit 104. And the control signal outputted from the interactive / MPE data control unit 106, and the control signal outputted from the interactive / MPE data control unit 106. Accordingly, MPEG video data interfaced from the host interface unit 103 is received and decoded into I-picture (Intra picture), B-picture (Bidirectional picture), and P-picture (Predict picture), or image data is selected. Extracting and decoding image data stored in the external memory 105 according to the selection signal output from the unit 104, and storing and outputting the image data in the first memory 108. Under the control of the Peg video data processing unit 107 and the interactive / MPE data control unit 106, the interactive video data interfaced from the host interface unit 103 is received and decoded, or from the image data selection unit 104. An interactive video data processing unit 109 for extracting and decoding image data stored in the external memory 105 according to the output selection signal, and storing and outputting the image data in the second memory 110; The digital / analog converter 111 converts the MPEG data and the interactive video data output from the MPEG video data processing unit 107 and the interactive video data processing unit 109 into analog signals according to the control signal output from the 103 signal. ) And a composite by encoding the analog video signal outputted from the digital / analog converter 111. It consists of a television (TV) encoder 112 for outputting a signal Deo.

The operation and effects of the present invention configured as described above will be described with reference to the attached fourth drawing.

First, after the user resets the main system and boots a necessary application program from the booting system, the compact disc (CD) is inserted into the compact disc player unit 101 (ST1, ST2).

Then, the compact disc player unit 101 reads and decodes the contents of the compact disc and outputs the decoded signal to the digital signal processing unit 102, and the digital signal processing unit 102 receives the data from the compact disc player unit 101. The decoded digital signal is processed and output to the host interface unit 103.

Then, the host interface unit 103 outputs the data output from the digital signal processing unit 102 to the interactive / MPEG data control unit 106.

Accordingly, the interactive / MPEG data control unit 106 searches the data output from the host interface unit 103 to determine whether it is audio data, interactive data, or MPEG video data (ST3).

In other words, if the result of the determination of the data is Cd_da, the interactive / MPEG data control unit 106 controls the data to be output to an audio digital / analog converter (not shown in the accompanying drawings).

Then, the audio digital / analog converter converts the applied Cd_da into an analog signal and then outputs the stereo signal to a speaker (not shown in the accompanying drawings) as a ST4.

Accordingly, the speaker transmits the analog audio signal output from the audio digital / analog converter, so that the user can hear the audio sound (ST5).

On the other hand, the interactive / MPE data control unit 106 retrieves the data output from the host interface unit 103 and starts the player shell when it is not Cd_da, and checks the image data selection unit 104 to display images from the user. It is checked whether a data storage signal has occurred (ST6, ST7).

At this time, when an image data storage signal is applied from the image data selection unit 104, the data obtained from the host interface unit 103 is searched to determine whether the data is interactive data or MPEG video data (ST8).

Thereafter, the external memory 105 is checked (ST9). If the data recorded as a result of the check is deleted, the external memory 105 is cleared. Otherwise, the selected play shell is checked (ST10 to STl2). .

Then, the selected player shell screen is transferred to the external memory 105 and stored according to the check result (ST13).

Thereafter, the interactive / MPEG data control unit 106 reads audio / video data recorded on the compact disc and checks the main memory (ST14 to ST16).

That is, the interactive / MPE data control unit 106 outputs an audio DMA transmission signal if the read data is audio data. Accordingly, the audio data is decoded and applied to the speaker as a stereo signal so that the user can hear the audio sound. (ST17 to ST19).

In addition, the interactive / MPE data control unit 106 retrieves the data output from the host interface unit 103, starts the player shell when the data is not audio data, reads the data of the compact disc, and then performs the interface. It outputs a DMA transmission signal.

If the read data is MPEG data, the data of the host interface 103 is interfaced to the MPEG video data processing unit 107, and DMA transfer is performed (ST20).

Then, the MPEG video data processing unit 107 performs I-picture (Intra) on the MPEG video data interfaced from the host interface unit 103 according to the player shell data output from the interactive / MPEG data control unit 106. Decode the picture, B-picture (Bidirectional picture), P-picture (Predict picture) and store it in the first memory 108 and output the stored MPEG video data to the digital / analog converter 111 ( ST21).

Accordingly, the digital / analog converter 111 converts the MPEG video data output from the MPEG video data processor 107 into analog R, G, and B signals and outputs the analog video data to the TV encoder 112.

Then, the TV encoder 112 encodes the analog R, G, and B signals output from the digital / analog converter 111 and outputs them to the screen as a composite video signal so that an image can be viewed ( ST22, ST23).

In addition, the interactive / MPE data controller 106 outputs a signal for the interface to the host interface 103 and performs DMA transfer to the interactive video data processor 109 if the read data is interactive data. ST24).

Then, the interactive video data processor 109 receives and decodes the interactive video data from the host interface 103 according to the signal output from the interactive / MPE data controller 106 and decodes the second video data. 110, and the decoded interactive data is outputted to the digital / analog converter 111 (ST25).

Accordingly, the digital / analog converter 111 converts the interactive data output from the interactive video data processing unit 109 into R, G, and B signals, which are analog signals, and outputs them to the TV encoder 112. do.

Accordingly, the TV encoder 112 encodes the analog R, G, and B signals output from the digital / analog converter 111 and outputs them to the screen as a composite video signal so that a user can use an application program. (ST26, ST27).

Thereafter, the interactive / MPEG data control unit 106 checks the image data selection unit 104. If the user is looking at the MPEG data player shell screen or the interactive image player shell screen, the user can view the image data selection unit 104 and save it again. In order to press the image data selection section 104, the image data storage signal is pressed (ST28).

Then, the interactive / MPEG data control unit 106 determines whether the still picture is MPEG data or interactive data according to the image data storage signal inputted to the image data selection unit 104 (ST29).

In addition, the interactive / MPE data controller 106 checks the external memory 105 in accordance with the image data storage signal.

That is, the interactive / MPEG data control unit 106 checks the external memory 105, and if the check result is full, the contents of the external memory 105 are deleted. By selecting, the external memory 105 is cleared (ST30 to ST33).

In addition, the interactive / MPEG data control unit 106 determines whether the MPEG data or the interactive data is output if the capacity is empty and outputs the MPEG data or the interactive data storage signal to the external memory 105. (ST34).

Then, the external memory 105 stores the MPEG data or the interactive data output from the interactive / MPEG data controller 106 (ST35).

As described above, the present invention stores a player shell desired by a user in a memory, and plays the stored player shell when the user wants to view the selected player shell in the screen, thereby playing and viewing various desired screens. It works.

1 is a block diagram of a conventional video CD player shell support apparatus.

2 is a signal flow diagram for explaining the operation of FIG.

3 is a block diagram of a video CD player shell support apparatus according to the present invention.

4 is a flowchart of a video CD player shell support process according to the present invention.

*** Explanation of symbols for the main parts of the drawing ***

103: host interface unit 104: image data selection unit

105: external memory 106: interactive / MPEG data control unit

107: MPEG video data processing unit 108: First memory

109: interactive video data processing unit 110: second memory

111: digital / analog converter 112: TV encoder

Claims (2)

Host interface means for interfacing the signal decoded audio / video data recorded on the compact disc with the host; Image data selection means for generating an image data storage signal for storing the player shell and generating an image data selection signal for reproducing and viewing the stored image data; The data is searched through the host interface means to determine the type of data, and the player shell program is drawn from the internal pyrom based on the determination result, and the image data is stored in the external memory according to the storage signal or the selection signal of the image data selection means. Interactive / empek data control means for controlling to retrieve and output image data stored in or stored at 105; An external memory 105 for storing image data and extracting and outputting the stored image data under the control of the interactive / MPE data control means; According to the control signal output from the interactive / MPEG data control means, MPEG video data interfaced from the host interface means is applied to the I-picture (Intra picture), B-picture (Bidirectional picture), and P-picture. MPEG video data processing means for extracting and decoding image data stored in the external memory 105 according to a selection signal decoded into a predictive picture or outputted from the image data selecting means, and storing and outputting the image data in the first memory 108; , Under the control of the interactive / MPE data control means, the interactive video data interfaced from the host interface means is received and decoded or the image data stored in the external memory 105 is fetched in accordance with the selection signal output from the image data selection means. Interactive video data processing means for decoding and storing and outputting the decoded data in the second memory 110; The digital / analog converter converts the MPEG data and the interactive video data output from the MPEG video data processing means and the interactive video data processing means into analog signals according to the control signal output from the interactive / MPEG data control means. 111, And a TV encoder (112) for encoding an analog signal outputted from the digital / analog converter (111) and outputting the analog video signal as a composite video signal. A first step of determining the type of the data recorded on the compact disc and processing the digital audio data as a result of the determination; otherwise, starting the player shell; After checking the key input of the image data selection unit after the first step, it is determined whether the player shell screen is MPEG video data or interactive data, and the capacity of the external memory is checked. A second process of checking the current screen and storing it in an external memory if the signal is deleted and changed; A third process of reading a compact disc after the second process to determine the type of data and processing audio, cdi video, and MPEG video data according to the determination result; After outputting the cdi video and MPEG video data processed in the third process to the screen, the fourth step is to delete or change the contents of the external memory by searching for the key input of the image data selection unit (CDP). How to support Playershell