WO2017041564A1

WO2017041564A1 - Method and system for realizing set top box on-demand function

Info

Publication number: WO2017041564A1
Application number: PCT/CN2016/086479
Authority: WO
Inventors: 余千
Original assignee: 深圳市九洲电器有限公司
Priority date: 2015-09-08
Filing date: 2016-06-20
Publication date: 2017-03-16
Also published as: CN105163190B; CN105163190A

Abstract

A method and system for realizing a set top box on-demand function, comprising: creating an FFmpeg framework unit and by communication between the FFmpeg framework unit and a resource server acquiring a resource address, and via a hypertext real time streaming protocol acquiring a corresponding audiovisual resource, and perform decryption and playing, thereby greatly reducing usage of a set top box memory, reducing hardware requirements, greatly reducing the cost of the set top box, the invention having low energy consumption, and facilitating promotion of the set top box.

Description

Method and system for implementing set-top box on-demand function

[0001] The present invention relates to the field of communications, and in particular, to a method and system for implementing a set-top box on-demand function.

Background technique

[0002] In recent years, the set-top box video on demand function has been favored by various industries such as education and entertainment due to good human-computer interaction. It covers video on demand, hot news on demand, interactive video games, distance education, etc. It has improved people's lives and learning, and improved the quality of life and the quality of work.

[0003] Currently, the implementation of the set-top box video on demand function is an integrated browser function, using B/S mode, using high-performance disk arrays and servers, through SQL

Application of SERVER technology, integrating HTML, ASP.NET, JAVASCRIPT to achieve beautiful interface

Smooth video on demand system. However, using a browser to play video on a set-top box consumes a large amount of memory, which requires high hardware, greatly increases the cost of the set-top box, and consumes a large amount of energy, which is not conducive to the promotion and use of the set-top box.

technical problem

[0004] In view of this, it is necessary to provide a method and system for implementing a set-top box on-demand function for the above-mentioned set-top box video on demand function that consumes memory, increases cost, and consumes a large amount of energy.

Problem solution

Technical solution

[0005] The present invention provides a method for implementing a set-top box on-demand function, including the following steps:

[0006] S10: creating an FFmpeg framework unit in the set top box, and after the user selects the program on demand, the resource address corresponding to the program is obtained by the resource server through the FFmpeg framework unit;

[0007] S20: acquiring, by using a hypertext real hopping protocol, the audio and video resources corresponding to the program by the resource server according to the resource address;

[0008] S30: If the audio and video resource is an encrypted resource, communicate with the authorization server, obtain a decryption key from the authorization server, and decrypt the audio and video resource by using the decryption key to play.

[0009] In one embodiment, the resource address includes an audio and video resource address and an audio and video resource pair. The decryption key address should be.

[0010] In one embodiment, the resource address is a secondary structure, where the top layer structure is used to parse the video resource address corresponding to the code rate according to the current network speed; the secondary structure is used to set the encryption information, To determine whether the audio and video resources are encrypted, how to encrypt and decrypt the key address.

[0011] In one embodiment, the step S30 is specifically: segmenting the audio and video resource data, and the encrypted audio and video resource data is cyclically obtained by the resource server and stored in the set data pool. When the data in the data pool reaches the set length, the audio and video resource data segments in the data pool are decrypted.

[0012] In one embodiment, the step S30 is specifically: after decrypting, setting the decryption vector of the first audio and video resource data segment to 16 bits 0, and the decryption vector of the audio and video resource data segment is The last 16 bits of data of the previous undeciphered audio and video resource data segment.

[0013] The present invention also provides a set-top box on-demand function implementation system, including:

[0014] FFmpeg framework unit, after the user selects the program on demand, communicates with the resource server, and the resource address corresponding to the program is obtained by the resource server;

[0015] the audio and video resource acquiring unit obtains the audio and video resources corresponding to the program by the resource server according to the resource address by using the hypertext real streaming protocol;

[0016] The decryption unit, if the audio and video resource is an encrypted resource, communicates with the authorization server, acquires the decryption key on the authorization server, and decrypts the audio and video resource by using the decryption key to play.

[0017] In one embodiment, the resource address includes an audio and video resource address and a decryption key address corresponding to the audio and video resource.

[0018] In one embodiment, the resource address is a secondary structure, where the top layer structure is used to parse the video resource address corresponding to the code rate according to the current network speed; the secondary structure is used to set the encryption information, To determine whether the audio and video resources are encrypted, how to encrypt and decrypt the key address.

[0019] In one embodiment, the decryption unit performs segmentation processing on the audio and video resource data, and the encrypted audio and video resource data is cyclically obtained by the resource server and stored in the set data pool, when the data pool After the data reaches the set length, the audio and video resource data segments in the data pool are decrypted.

[0020] In one embodiment, after decrypting, the decryption unit sets the decryption vector of the first audio and video resource data segment to 16 bits 0, and the decryption vector of the subsequent audio and video resource data segment is the previous one. Decrypt The last 16 bits of data in the audio and video resource data segment.

Advantageous effects of the invention

Beneficial effect

[0021] The method and system for implementing the on-demand function of the set-top box of the present invention, the FFmpeg framework unit is used to obtain a resource address by communicating with the resource server through the FFmpeg framework unit, and the corresponding audio and video resources are obtained through the hypertext real-time streaming protocol, and decrypted and played. Thereby, the memory of the set top box is greatly reduced, the requirement for hardware is reduced, the cost of the set top box is greatly reduced, and the power consumption is low, which is beneficial to the promotion and use of the set top box.

Brief description of the drawing

DRAWINGS

[0022] FIG. 1 is a flowchart of a method for implementing a set-top box on-demand function in an embodiment;

2 is a schematic structural diagram of a system for implementing a set-top box on-demand function in an embodiment.

Embodiments of the invention

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

1 is a flowchart of a method for implementing a set-top box on-demand function in an embodiment. As shown in FIG. 1, the method includes the following steps:

[0026] S10: Create an FFmpeg framework unit in the set top box, and after the user selects the program on demand, obtain the resource address corresponding to the program from the resource server through the FFmpeg framework unit.

[0027] The FFmpeg framework is a multimedia audio and video processing tool that can be used to record and convert digital audio and video, and can be converted into a stream, which has the characteristics of less memory, low power consumption, and low hardware requirements. Therefore, in this embodiment, the FFmpeg framework unit is created in the set-top box, and the user uses the on-demand function to obtain the resource address corresponding to the program from the resource server through the F Fmpeg framework unit, so that the occupied set-top box has less memory and low power consumption.

[0028] In a further manner, the resource address includes an audio and video resource address and a decryption corresponding to the audio and video resource. Key code address. Further, the resource address is a secondary structure, where the top-level structure is used to parse the video resource address corresponding to the code rate according to the current network speed; the secondary structure is used to set the encryption information to determine whether the audio and video resources are encrypted or adopted. What is the way to encrypt and decrypt the key address.

[0029] S20: Acquire audio and video resources corresponding to the program by the resource server according to the resource address by using a hypertext real-duration protocol.

[0030] After obtaining the resource address corresponding to the program by the resource server through the FFmpeg framework unit, the audio and video resources corresponding to the program need to be obtained according to the resource address. In this embodiment, the hypertext real-time streaming protocol, which also occupies less memory and low power consumption, is used to obtain audio and video resources corresponding to the program, thereby further reducing memory usage and energy consumption.

[0031] S30: If the audio and video resource is an encrypted resource, communicate with the authorization server, obtain a decryption key from the authorization server, and decrypt the audio and video resource by using the decryption key to play.

[0032] After the audio and video resources corresponding to the program are acquired, in order to protect the copyright and the resources, the audio and video resources are usually encrypted, and the encrypted audio and video resources can only be played after being decrypted and authorized. In this embodiment, if the audio and video resource is an encrypted resource, the decryption key needs to be decrypted by the authorization server.

[0033] In a further manner, the step is specifically: if the audio and video resource is an encrypted resource, communicating with the authorization server, and acquiring a corresponding decryption key by decrypting the key code address.

[0034] After acquiring the decryption key, the audio and video resources need to be decrypted. In this embodiment, the audio and video resource data is segmented and decrypted, which is specifically: segmenting audio and video resource data by resources. The encrypted audio and video resource data is cyclically obtained on the server and stored in the set data pool. When the data in the data pool reaches the set length, the audio and video resource data segments in the data pool are decrypted.

[0035] Furthermore, in the decryption, the decryption vector of the first audiovisual resource data segment is set to 16 bit 0, and the decryption vector of the subsequent audio and video resource data segment is the last 16 bits of the previous undecrypted audio and video resource data segment. Data to ensure consistency and security of decryption.

[0036] The set-top box on-demand function implementation method, the FFmpeg framework unit is created to obtain a resource address by communicating with the resource server through the FFmpeg framework unit, and the corresponding audio and video resources are obtained through the hypertext real-time streaming protocol, and decrypted and played, thereby greatly reducing The occupation of the set-top box memory reduces the hardware requirements, greatly reduces the cost of the set-top box, and consumes low energy, which is beneficial to the promotion and use of the set-top box.

[0037] In the meantime, the present invention further provides a system for implementing a set-top box on-demand function, the system comprising: [0038] The FFmpeg framework unit, after the user selects the program on demand, communicates with the resource server, and the resource address corresponding to the program is obtained by the resource server.

[0039] The FFmpeg framework is a multimedia audio and video processing tool that can be used to record and convert digital audio and video, and can be converted into a stream, which has the characteristics of less memory, low energy consumption, and low hardware requirements. Therefore, in this embodiment, the FFmpeg framework unit is created in the set top box. After the user uses the on-demand function, the FF mpeg framework unit obtains the resource address corresponding to the program from the resource server, so that the occupied set-top box has less memory and low power consumption.

[0040] In a further aspect, the resource address includes an audio and video resource address and an audio and video resource corresponding to the decryption key address. Further, the resource address is a secondary structure, where the top-level structure is used to parse the video resource address corresponding to the code rate according to the current network speed; the secondary structure is used to set the encryption information to determine whether the audio and video resources are encrypted or adopted. What is the way to encrypt and decrypt the key address.

[0041] The audio and video resource acquiring unit obtains the audio and video resources corresponding to the program by the resource server according to the resource address by using the hypertext real streaming protocol.

[0042] After the FFmpeg framework unit obtains the resource address corresponding to the program by the resource server, the audio and video resource acquiring unit needs to acquire the audio and video resource corresponding to the program according to the resource address. In this embodiment, the audio and video resource acquisition unit uses the hypertext real-time streaming protocol, which also occupies small memory and low power consumption, to obtain audio and video resources corresponding to the program, thereby further reducing memory usage and energy consumption.

[0043] The decryption unit, if the audio and video resource is an encrypted resource, communicates with the authorization server, obtains the decryption key by the authorization server, and decrypts the audio and video resource by using the decryption key to play.

[0044] After the audio and video resources corresponding to the program are acquired, in order to protect the copyright and the resources, the audio and video resources are usually encrypted, and the encrypted audio and video resources can only be played after being decrypted and authorized. In this embodiment, if the audio and video resource is an encrypted resource, the decryption unit needs to obtain the decryption key from the authorization server for decryption.

[0045] In a further aspect, if the audio and video resource is an encrypted resource, the decryption unit communicates with the authorization server, and acquires the corresponding decryption key by decrypting the key code address.

[0046] After acquiring the decryption key, the audio and video resources need to be decrypted. In this embodiment, the decryption unit uses segmentation and decryption for the audio and video resource data, specifically: the decryption unit segments the audio and video resource data. Processing, the encrypted audio and video resource data is cyclically obtained by the resource server and stored in the setting In the data pool, when the data in the data pool reaches the set length, the audio and video resource data segments in the data pool are decrypted.

[0047] Furthermore, after decryption, the decryption unit sets the decryption vector of the first audiovisual resource data segment to 16 bit 0, and the decryption vector of the subsequent audio and video resource data segment is the last data segment of the previous undecrypted audio and video resource segment. 16-bit data to ensure the consistency and security of decryption.

[0048] The set-top box on-demand function realization system, the FFmpeg framework unit is created to obtain a resource address by communicating with the resource server through the FFmpeg framework unit, and the corresponding audio and video resources are obtained through the hypertext real-time streaming protocol, and decrypted and played, thereby greatly reducing The occupation of the set-top box memory reduces the hardware requirements, greatly reduces the cost of the set-top box, and consumes low energy, which is beneficial to the promotion and use of the set-top box.

[0049] The method and system for implementing the on-demand function of the set-top box of the present invention, the FFmpeg framework unit is used to obtain a resource address by communicating with the resource server through the FFmpeg framework unit, and the corresponding audio and video resources are obtained through the hypertext real-time streaming protocol, and decrypted and played. Thereby, the memory of the set top box is greatly reduced, the requirement for hardware is reduced, the cost of the set top box is greatly reduced, and the power consumption is low, which is beneficial to the promotion and use of the set top box.

Referring to FIG. 2, a schematic diagram of a set-top box on-demand function implementation system 200 is provided in another embodiment of the present invention. The set-top box on-demand function implementation system 200 may be a set-top box or the like including computing power. The specific embodiment of the present invention does not limit the specific implementation of the set-top box on-demand function implementation system 200. The set-top box on-demand function implementation system 200 includes:

[0051] processor 210, communication interface 220, memory

(memory) 230, bus 240.

[0052] The processor 210, the communication interface 220, and the memory 230 complete communication with each other through the bus 240.

[0053] The communication interface 220 is configured to communicate with an external device, such as a personal computer, a server, or the like.

[0054] The processor 210 is configured to execute the program 232.

[0055] Specifically, the program 232 can include program code, the program code including computer operating instructions.

[0056] The processor 210 may be a central processing unit CPU, or an application specific integrated circuit (ASIC), or one or more integrated circuits configured to implement embodiments of the present invention.

[0057] The memory 230 is configured to store the program 231. Memory 230 may contain high speed RAM memory, or Also included is a non-volatile memory, such as at least one disk storage. The program 231 may specifically include:

[0058] FFmp _e g framework unit 310, after the user clicks on the selected program, communicates with the resource server, and the resource address corresponding to the program is obtained by the resource server;

[0059] The audio and video resource obtaining unit 320 obtains audio and video resources corresponding to the program by the resource server according to the resource address by using a hypertext real-duration protocol;

[0060] The decryption unit 330, if the audio and video resource is an encrypted resource, communicates with the authorization server, obtains the decryption key by the authorization server, and decrypts the audio and video resource by using the decryption key to play

For a specific working process of the system, the device, and the unit described above, reference may be made to the corresponding process in the foregoing method embodiments, and details are not described herein again. .

[0062] In the several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods may be implemented in other manners. For example, the device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division, and the actual implementation may have another division manner, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not executed. Alternatively, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some communication interface, device or unit, and may be in electrical, mechanical or other form.

[0063] The unit described as a separate component may or may not be physically distributed, and the component displayed as a unit may or may not be a physical unit, that is, may be located in one place, or may be distributed to multiple On the network unit. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0065] The functions, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may contribute to the prior art or part of the technical solution may be produced by software. In the form of a product, the computer software product is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the methods of the various embodiments of the present invention. All or part of the steps. The foregoing storage medium includes: u disk

, mobile hard disk, read-only memory (ROM, Read-Only

Memory, random access memory (RAM), disk or optical disk, and other media that can store program code.

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalents, and improvements made within the spirit and scope of the present invention should be included in the scope of the present invention. Inside.

Claims

Claim

A method for implementing a set-top box on-demand function, comprising the steps of:

S10: Create an FFmpeg framework unit in the set top box, and after the user selects the program on demand, obtain the resource address corresponding to the program from the resource server through the FFmpeg framework unit;

S20: Obtain an audio and video resource corresponding to the program by the resource server according to the resource address by using a hypertext real hopping protocol;

S30: If the audio and video resource is an encrypted resource, communicate with the authorization server, obtain the decryption key by the authorization server, and decrypt the audio and video resource by using the decryption key to play.

The method for implementing the set-top box on-demand function according to claim 1, wherein the resource address comprises an audio and video resource address and a decryption key code address corresponding to the audio and video resource. The method for implementing the set-top box on-demand function according to claim 2, wherein the resource address is a secondary structure, wherein the top-level structure is used to parse the video resource address corresponding to the code rate according to the current network speed; Set the encryption information to determine whether the audio and video resources are encrypted, how to encrypt and decrypt the key address. The method for implementing the set-top box on-demand function according to claim 3, wherein the step S30 is specifically: segmenting the audio and video resource data, and the encrypted audio and video resource data is cyclically obtained by the resource server and stored in the device. In the fixed data pool, when the data in the data pool reaches the set length, the audio and video resource data segments in the data pool are decrypted. The method for implementing the set-top box on-demand function according to claim 4, wherein the step S30 is specifically: after decrypting, setting a decryption vector of the first audio and video resource data segment to 16 bits 0, and then the audio and video resources The decryption vector of the data segment is the last 16 bits of data of the previous undecrypted audio and video resource data segment.

A system for implementing a set-top box on-demand function, comprising:

The FFmpeg framework unit, after the user selects the program on demand, communicates with the resource server, and the resource address corresponding to the program is obtained by the resource server;

The audio and video resource obtaining unit obtains the audio and video resources corresponding to the program by the resource server according to the resource address by using the hypertext real hopping protocol; The decryption unit, if the audio and video resource is an encrypted resource, communicates with the authorization server, obtains the decryption key by the authorization server, and decrypts the audio and video resource by using the decryption key to play.

[Claim 7] The set-top box on-demand function implementation system according to claim 6, wherein the resource address comprises an audio and video resource address and a decryption key code address corresponding to the audio and video resource.

[Claim 8] The system for implementing the set-top box on-demand function according to claim 7, wherein the resource address is a secondary structure, and the top layer structure is configured to obtain a video resource address corresponding to the code rate according to the current network speed. The secondary structure is used to set the encryption information to determine whether the audio and video resources are encrypted, how to encrypt and decrypt the key address.

[Claim 9] The system for implementing the set-top box on-demand function according to claim 8, wherein the decryption unit performs segmentation processing on the audio and video resource data, and the encrypted audio and video resource data is cyclically obtained by the resource server and stored. In the set data pool, when the data in the data pool reaches the set length, the audio and video resource data segments in the data pool are decrypted.

[Claim 10] The system for implementing the set-top box on-demand function according to claim 9, wherein, in the decryption, the decryption unit sets the decryption vector of the first audio-video resource data segment to 16-bit 0, and the subsequent tone The decryption vector of the video resource data segment is the last 16 bits of data of the previous undecrypted audio and video resource data segment.