TW201436533A - System and method of transmitting data stream - Google Patents

Abstract

The present invention provides a system and method of transmitting data stream which is applied to a first electronic device. The system includes a first processing module for converting original data stream to be serial data stream; a first determining module for determining whether the serial data stream should be compressed, and determining a compressing method when determined the serial data stream should be compressed; a compressing module for compressing the serial data stream according to the determined compressing method; and a sending module for sending the data stream to a second electronic device after making compressing mark. The present invention can be used to transmit data stream.

Description

Data stream transmission system and method

The present invention relates to a data stream transmission system and method, and more particularly to a serial data stream transmission system and method.

The application of serial port in the industry has been prosperous. Nowadays, with the development of wireless transmission, the application of serial transmission technology is expanding. However, due to the limitations of the serial technology itself, the gap between its transmission capability and parallel transmission is always present. Currently, in order to shorten this gap, the most common method is to compress the data stream and transmit it.

However, in the data stream compression process, the same compression algorithm has different compression ratios for different data streams. For example, a compressed document has a small compression space when compressed again, while a normal character document can be compressed at a very large scale. In view of this, in the serial data stream transmission process, the transmission speed of the transmission network with compression function is extremely unstable, on the one hand, due to the different time consumed for compressing different data streams, on the other hand, some In extreme cases, the amount of data compressed by the data stream is even larger. For example, if the blank file is compressed, the amount of data will increase, that is, if various data streams are compressed by a certain compression algorithm, then Affects the transmission rate.

In view of the above, it is necessary to provide a data stream transmission system and method, which can be used for serial data stream transmission.

The data stream transmission system is operated by the first electronic device as a transmitting end, the system includes: a first processing module, configured to convert the original data stream to be transmitted into a serial data stream; Determining whether to compress the serial data stream, and determining to compress the serial data stream, and determining a compression algorithm; the compression module is configured to compress the serial data stream according to the determined compression algorithm; and send And a module, configured to add the compressed identifier to the serial data stream, and send the compressed identifier to the second electronic device as the receiving end, where the compressed identifier records a compression algorithm used when the serial data stream is compressed and compressed.

The data stream transmission system runs on a second electronic device as a receiving end, the system includes: a receiving module, configured to receive a serial data stream sent from a first electronic device as a transmitting end; and a second determining module And determining, according to the compressed identifier of the received serial data stream, whether a decompression operation is required; and decompressing the module, configured to decompress the received serial data stream according to the compression algorithm recorded by the compression identifier; and second Processing module for converting the serial data stream into the original data stream.

The data stream transmission method is applied to a first electronic device as a transmitting end, and the method includes: a first processing step of converting the original data stream to be transmitted into a serial data stream; and a first determining step of determining whether the string is The column data stream is compressed, and the compression algorithm is determined when the serial data stream is compressed; the compression step compresses the serial data stream according to the determined compression algorithm; and the sending step adds compression to the serial data stream The identifier is sent to the second electronic device as the receiving end, and the compressed identifier describes a compression algorithm used when the serial data stream is compressed and compressed.

The data stream transmission method is applied to a second electronic device as a receiving end, the method comprising: receiving a step of receiving a serial data stream sent from a first electronic device as a transmitting end; and second determining step, according to the received The compressed identifier of the serial data stream determines whether decompression operation is required; the decompression step decompresses the received serial data stream according to the compression algorithm described in the compression identifier; and the second processing step, the serial data stream is Convert to the original stream.

Compared with the prior art, the data stream transmission system and method can be used for serial data stream transmission, and can determine whether to compress the serial data stream according to the specific situation of the serial data stream, thereby making the serial transmission network The transmission speed of the road is more stable.

1. . . First electronic device

2. . . Second electronic device

10. . . Data stream transmission system

20. . . First memory

30. . . First processor

40. . . First communication module

41. . . Second communication module

50. . . Second memory

60. . . Second processor

11. . . First processing module

12. . . First judgment module

13. . . Compression module

14. . . Sending module

15. . . Receiving module

16. . . Second judgment module

17. . . Decompression module

18. . . Second processing module

1 is a diagram showing the operating environment of the data stream transmission system of the present invention.

2 is a functional block diagram of a data stream transmission system of the present invention.

3 is a flow chart of data flow transmission of a preferred embodiment of the data stream transmission method of the present invention.

4 is a flow chart of data stream reception of a preferred embodiment of the data stream transmission method of the present invention.

As shown in FIG. 1, it is an operating environment diagram of the data stream transmission system of the present invention. In this embodiment, the data stream transmission system 10 operates in the first electronic device 1 and the second electronic device 2. The data stream transmission system 10 is configured to perform data stream transmission between the first electronic device 1 and the second electronic device 2 through the first communication module 40 and the second communication module 41. The data stream includes data, commands, and the like. The first communication module 40 and the second communication module 41 may be a wired serial transmission cable, a wireless transmission network, or the like. It should be noted that the first electronic device 1 or the second electronic device 2 can serve as both a transmitting end and a receiving end.

In the embodiment, the first electronic device 1 further includes a first memory 20 and a first processor 30, and the second electronic device 2 further includes a second memory 50 and a second processor 60. It should be noted that this embodiment is only a brief description of the structures of the first electronic device 1 and the second electronic device 2, and the first electronic device 1 and the second electronic device 2 may further include other components, such as a circuit system. Sound system, I/O interface, battery, operating system, etc.

The first memory 20 and the second memory 50 can be used to store data such as code of the data stream transmission system 10. In this embodiment, the data stream transmission system 10 can be divided into one or more modules, and the one or more modules are stored in the first memory 20 and the second memory 50. Executed by one or more processors, such as first processor 30 and second processor 60 in this embodiment, to complete the present invention.

In this embodiment, the data stream transmission system 10 includes a first processing module 11, a first determining module 12, a compression module 13, a transmitting module 14, a receiving module 15, a second determining module 16, and decompression. The module 17 and the second processing module 18 (see FIG. 2).

It should be noted that, when the data stream transmission system 10 is running on the sending end, the data stream transmission system 10 executes the first processing module 11, the first determining module 12, the compression module 13, and the sending module. Group 14. When the data stream transmission system 10 is running at the receiving end, the data stream transmission system 10 executes the receiving module 15, the second determining module 16, the decompression module 17, and the second processing module 18.

The module of the present invention is a program segment for performing a specific function, and is more suitable for describing the execution process of the software in the first electronic device 1 and the second electronic device 2 than the program. The functions of each module will be specifically described below. .

As shown in FIG. 3, it is a flow chart of data flow transmission of a preferred embodiment of the data stream transmission method of the present invention. FIG. 3 is described by using the first electronic device 1 as a transmitting end. In other embodiments, the second electronic device 2 may also be used as a transmitting end.

In step S1, the first processing module 11 converts the original data stream to be transmitted into a serial data stream. The original data stream includes data, commands, and the like.

In step S2, the first determining module 12 determines whether to compress the serial data stream, and determines to determine the compression algorithm when compressing the serial data stream.

Specifically, the first determining module 12 may intercept a segment of the serial data stream, and compress the intercepted serial data stream by using a plurality of preset compression algorithms, according to the intercepted serial data stream. The compression ratio under each compression algorithm determines whether to compress the serial data stream to be transmitted and which compression algorithm to use.

For example, for example, three compression algorithms are preset, which are A, B, and C respectively, and the compression ratio of the intercepted serial data stream under the compression algorithm A is 40%, under the compression algorithm B. The compression ratio is 50%, and the compression ratio under compression algorithm C is 90%. Obviously, the compression ratio under compression algorithm C is the largest, then it is determined that compression algorithm C is used, and the process proceeds to step S3.

For example, if the intercepted serial data stream is increased under the preset compression algorithm, the amount of data after compression is increased, then it is determined that the serial data stream to be transmitted is not compressed. The process proceeds to step S4. In other embodiments, it may be configured that when the intercepted serial data stream has a small compression ratio under various compression algorithms, for example, less than 5%, determining the serial data to be transmitted. The stream is not compressed.

In step S3, the compression module 13 compresses the serial data stream according to the determined compression algorithm.

In step S4, the sending module 14 adds the compressed identifier to the serial data stream and sends it to the second electronic device 2 as the receiving end through the first communication module 40. The compression flag describes a compression algorithm used when the serial data stream is compressed and compressed.

In this embodiment, the sending module 14 may add the compressed identifier to the header or the end of the data packet where the serial data stream is located.

It should be noted that, if it is determined in step S2 that the serial transmission data stream is not compressed, the sending module 14 adds a compression identifier to the serial data stream, and identifies that the serial data stream is not compressed.

As shown in FIG. 4, it is a flowchart of a data stream receiving process of a preferred embodiment of the data stream transmission method of the present invention. 4 is described with the first electronic device 1 as a receiving end. As described above, in other embodiments, the second electronic device 2 can also be used as the receiving end.

In step S11, the receiving module 15 receives the serial data stream sent from the first electronic device 1 as the transmitting end from the second communication module 41.

In step S12, the second determining module 16 determines whether a decompression operation is required according to the compressed identifier of the received serial data stream. If the compressed flag indicates that the serial data stream is compressed, step S13 is performed. If the compressed tag indicates that the received serial data stream has not been compressed, step S14 is performed.

In step S13, the decompression module 17 decompresses the received serial data stream according to the compression algorithm described in the compression identifier.

In step S14, the second processing module 18 converts the serial data stream into an original data stream. It should be noted that, in this step, when the received serial data stream needs to be decompressed, the second processing module 18 processes the decompressed serial data stream.

It should be noted that the above embodiments are only for explaining the technical solutions of the present invention and are not intended to be limiting, and the present invention will be described in detail with reference to the preferred embodiments. Modifications or equivalents are made without departing from the spirit and scope of the invention.

10. . . Data stream transmission system

11. . . First processing module

12. . . First judgment module

13. . . Compression module

14. . . Sending module

15. . . Receiving module

16. . . Second judgment module

17. . . Decompression module

18. . . Second processing module

Claims (6)

A data stream transmission system running on a first electronic device as a transmitting end, the system comprising:
a first processing module, configured to convert the original data stream to be transmitted into a serial data stream;
a first determining module, configured to determine whether to compress the serial data stream, and determine to compress the serial data stream to determine a compression algorithm;
a compression module, configured to compress the serial data stream according to the determined compression algorithm; and a sending module, configured to add the compressed identifier to the serial data stream, and send the compressed data to the second electronic device as the receiving end, where the compressed identifier is recorded The compression algorithm used when the serial data stream is compressed and compressed. The data stream transmission system of claim 1, wherein the first determining module intercepts a segment of the serial data stream, and respectively performs the intercepted serial data stream by using a plurality of preset compression algorithms. Compression, according to the compression ratio of the intercepted data stream under each compression algorithm, determining whether to compress the serial data stream to be transmitted and which compression algorithm is used. A data stream transmission system running on a second electronic device as a receiving end, the system comprising:
a receiving module, configured to receive a serial data stream sent from a first electronic device that is a transmitting end;
a second determining module, configured to determine, according to the compressed identifier of the received serial data stream, whether a decompression operation is required;
The decompression module is configured to decompress the received serial data stream according to the compression algorithm described in the compression identifier; and the second processing module is configured to convert the serial data stream into the original data stream. A data stream transmission method is applied to a first electronic device as a transmitting end, the method comprising:
a first processing step of converting the original data stream to be transmitted into a serial data stream;
a first determining step of determining whether to compress the serial data stream and determining to compress the serial data stream to determine a compression algorithm;
a compression step of compressing the serial data stream according to the determined compression algorithm; and a transmitting step of adding the compressed data identifier to the serial data stream and transmitting the data to the second electronic device as the receiving end, the compressed identifier recording the serial data stream Whether the compression algorithm used when compressing and compressing. The data stream transmission method according to claim 4, wherein in the first determining step, a segment is intercepted from the serial data stream, and the intercepted serial data stream is respectively separated by using a plurality of preset compression algorithms. Performing compression, according to the compression ratio of the intercepted data stream under each compression algorithm, determining whether to compress the serial data stream to be transmitted and which compression algorithm is used. A data stream transmission method is applied to a second electronic device as a receiving end, the method comprising:
Receiving, receiving the serial data stream sent from the first electronic device as the transmitting end;
a second determining step of determining, according to the compressed identifier of the received serial data stream, whether a decompression operation is required;
The decompression step decompresses the received serial data stream according to the compression algorithm described in the compression identifier; and the second processing step converts the serial data stream into the original data stream.