WO2016045207A1

WO2016045207A1 - Method and device for combining dvb live broadcast and network on-demand broadcast

Info

Publication number: WO2016045207A1
Application number: PCT/CN2014/094055
Authority: WO
Inventors: 林铠鹏; 江楚发; 张磊; 周双华
Original assignee: 深圳国微技术有限公司
Priority date: 2014-09-28
Filing date: 2014-12-17
Publication date: 2016-03-31
Also published as: CN104270679A

Abstract

The present invention is applicable in the field of Internet television. Provided are a method and device for combining a DVB live broadcast and a network on-demand broadcast, the method comprising: receiving a broadcast instruction comprising program information, the broadcast instruction being a DVB live broadcast instruction or a network on-demand broadcast instruction; when the play instruction is the DVB live broadcast instruction, sending the DVB live broadcast instruction and the program information to a conditional receiver, such that the conditional receiver returns video data; when the play instruction is the network on-demand broadcast instruction, sending the network on-demand broadcast instruction and the program information to an OTT server, such that the OTT server returns video data; playing the video data returned by the conditional receiver or the video data returned by the OTT server. An embodiment of the present invention obtains DVB live broadcast video data through the conditional receiver, and obtains a network resource by connecting to a third-party server at the same time, thus achieving unified management of the combined functions of the DVB live broadcast and the network on-demand broadcast.

Description

Method and device for combining DVB live broadcast and network on demand

Technical field

The invention belongs to the field of smart television, and in particular relates to a method and a device for combining DVB live broadcast and network on demand.

Background technique

The arrival of smart TV conforms to the trend of “high definition”, “networking” and “intelligence” of TV sets. Smart TV will realize various application services such as network search, IP TV, BBTV network video, video on demand (VOD), digital music, network news, network video telephony and so on. The TV is becoming the third kind of information access terminal after the computer and mobile phone, users can access the information they need at any time; the TV will also become a smart device to realize cross-platform search between TV and network; It will be an "entertainment center".

The so-called network video refers to the audio and video files provided by the network video service provider and can be broadcasted live or on-demand in streaming media format. From the perspective of network technology, the network video refers to the content format as WMV, RM. Types such as RMVB, FLV, and MOV can be used online through Realplayer. File content played by mainstream players such as windowsMedia, Flash, QuickTime, and DIVX.

Smart TV can not only realize DVB live broadcast, but also play network video. However, when smart TV manufacturers play video from radio and television operators and network video providers, there is no unified management method, which leads to the current live broadcast of smart TV to DVB. Video and network-on-demand video playback methods cannot be unified to manage different broadcast and television operators, network video providers, and smart device vendors, so as to customize and release DVB live broadcast and network-on-demand video services as needed.

technical problem

The embodiment of the invention provides a method for combining DVB live broadcast and network on-demand, and aims to solve the problem that a smart TV manufacturer does not have a unified management method when playing video provided by a broadcaster and a network video provider.

Technical solution

The embodiment of the present invention is implemented by the method for combining DVB live broadcast and network on-demand, and the method includes:

Receiving a play instruction, where the play instruction includes program information, and the play instruction is a DVB live broadcast command or a network on-demand command;

When the play instruction is a DVB live broadcast command, the DVB live broadcast command and the program information are sent to the conditional receiver, so that the conditional receiver returns the video data according to the DVB live broadcast command and the program information;

When the play instruction is a network on-demand instruction, sending the network on-demand instruction and program information to an OTT server, so that the OTT server returns video data according to the network on-demand instruction and program information;

The video data returned by the conditional receiver or the video data returned by the OTT server is played.

The embodiment of the invention further provides a device for combining DVB live broadcast and network on demand, wherein the device comprises:

a play mode selection unit, configured to receive a play instruction, where the play instruction includes program information, where the play instruction is a DVB live broadcast command or a network on-demand command;

a DVB live broadcast instruction sending unit, when the play command is a DVB live broadcast command, sending the DVB live broadcast command and program information to a conditional receiver, so that the conditional receiver returns a video according to the DVB live broadcast command and program information. data;

a network on-demand command sending unit, configured to send the network on-demand command and program information to an OTT server when the play command is a network-on-demand command, so that the OTT server returns a video according to the network on-demand command and program information. data;

And a video data playing unit, configured to play video data returned by the conditional receiver or video data returned by the OTT server.

Beneficial effect

In the embodiment of the present invention, the DVB live video data is obtained through the conditional receiver, and the network resource is obtained by connecting to the third-party server, thereby realizing unified management of the functions of combining DVB live broadcast and network on-demand.

DRAWINGS

1 is an implementation environment diagram of a method for combining DVB live broadcast and network on-demand according to an embodiment of the present invention;

2 is a structural diagram of a conditional receiver according to an embodiment of the present invention;

3 is a flowchart of an implementation of a method for combining DVB live broadcast and network on demand according to an embodiment of the present invention;

4 is a flowchart of an implementation when a terminal application sends a DVB live broadcast command according to the first embodiment of the present invention;

5 is a flowchart showing an implementation of a conditional receiver receiving a DVB live broadcast command and program information and returning a corresponding TS stream in the first embodiment of the present invention;

6 is a flowchart of an implementation of video data returned by a terminal application in a first embodiment of the present invention;

7 is a flowchart of an implementation when a terminal application sends a network on-demand command according to a second embodiment of the present invention;

8 is a structural diagram of an apparatus for combining DVB live broadcast and network on-demand according to an embodiment of the present invention;

9 is a structural diagram of a DVB live broadcast instruction processing unit according to a first embodiment of the present invention;

Figure 10 is a structural diagram of an apparatus of an instruction execution unit in the first embodiment of the present invention;

11 is a structural diagram of a video playing unit in the first embodiment of the present invention;

FIG. 12 is a structural diagram of a network on-demand instruction processing unit according to a second embodiment of the present invention.

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.

FIG. 1 shows an implementation environment of a method for combining DVB live broadcast and network on demand according to an embodiment of the present invention. For convenience of description, only parts related to the present invention are shown.

The smart play terminal 100 plays back the video data.

In the embodiment of the present invention, the smart play terminal 100 is a device of the android system, including a smart TV, a mobile phone, a tablet computer, a smart set top box, and the like.

As an embodiment of the present invention, the smart play terminal 100 is installed with an android terminal application that can play a video stream.

The condition receiver 200 descrambles the digital television signal received from the cable television network, and transmits the descrambled TS stream to the smart play terminal 100 for playback.

The cloud server 300 provides the smart play terminal 100 with a channel list, program information, station logo, EPG information, related program recommendation, and operator information of the DVB live broadcast and the network on demand.

The OTT server 400 provides the smart play terminal 100 with video-on-demand video content and video related information.

In the embodiment of the present invention, the OTT server 400 is a third-party server, that is, the OTT server 400 cooperates with the video provider.

In the embodiment of the present invention, when the network on-demand is implemented, the cloud server 300 acquires the channel list, the program information, the station logo, the EPG information, the related program recommendation, the operator information, and the like of the network on-demand from the OTT server 400.

FIG. 2 shows the structure of a conditional receiver 200 according to an embodiment of the present invention. For the convenience of description, only parts related to the present invention are shown.

In the embodiment of the present invention, the conditional receiver 200 is composed of a frequency locking module 210, a demodulation module 220, a descrambling module 230, a smart card 240, and a USB device 250. The digital television signal received by the cable television network access terminal first enters the lock. The frequency module 210 then sequentially passes through the demodulation module 220 and the descrambling module 230 to perform descrambling on the received digital television signal, and then outputs the descrambled TS stream to the smart play terminal 100 through the USB device 250.

As an embodiment of the present invention, one end of the conditional receiver 200 is connected to the smart play terminal 100 by using the interface of the USB device 250, and the other end is connected to the access end of the cable television network by the frequency lock module 210, and the smart play terminal 100 and Signal transmission can be performed directly between the conditional receivers 200.

In the embodiment of the present invention, the smart card 240 is provided by the digital television signal provider for providing the conditional receiver 200 with a decryption key. When the digital television signal received from the cable television network is an encrypted signal, the smart card 240 needs to be utilized. The provided decryption key decrypts it.

As another embodiment of the present invention, when the digital television signal received from the cable television network is not an encrypted signal, it is not required to be decrypted by the decryption key provided by the smart card 240.

FIG. 3 shows an implementation flow of a method for combining DVB live broadcast and network on demand according to an embodiment of the present invention. For convenience of description, only parts related to the present invention are shown.

In the embodiment of the present invention, when the terminal application is started, the condition receiver 200 returns the device information of the conditional receiver 200 to the terminal application, and the terminal application uses the device information of the conditional receiver 200 for authentication when acquiring the network resource. The device information of the conditional receiver 200 includes device information such as a device ID and a device type of the conditional receiver 200.

As an embodiment of the present invention, when the conditional receiver 200 is used for the first time, that is, when initialized, the terminal application automatically issues an instruction to acquire the device information of the conditional receiver 200 to the conditional receiver 200, so that the conditional receiver 200 returns The device information of the conditional receiver 200 is applied to the terminal.

As another embodiment of the present invention, when the conditional receiver 200 is not used for the first time, when the user needs to view the device information of the conditional receiver 200, the terminal application actively sends the conditional receiver 200 to the conditional receiver 200 according to the user's demand. The instruction of the device information of the device 200.

In step S301, the terminal application receives a play instruction.

In the embodiment of the present invention, the play instruction may be a DVB live broadcast command or a network on-demand command, and the play command further includes program information.

As an embodiment of the present invention, when DVB live broadcast or network on-demand is required, the terminal application receives a selection of a DVB live broadcast command or a network on-demand command performed by the user on its application interface, and the terminal application simultaneously receives the user selected on the program menu. Program information that needs to be played.

In the embodiment of the present invention, the program information on the application interface of the terminal application is saved on the cloud server 300.

In the first embodiment of the present invention, the terminal application first selects a program to be played according to the channel list, the program menu, the station logo, the EPG information, the related program recommendation, the program playback, and the operator information, etc. of the DVB live broadcast provided by the cloud server 300. .

As a first embodiment of the present invention, when the DVB live broadcast is performed, the terminal application can call up the program menu before the watched channel is played, and select the program to be viewed, so that the program can be played back when the previous program is missed.

In the first embodiment of the present invention, the program menu on the cloud server 300 also provides a program recommendation function for recommending a video related to the currently played program of the user, and the user can select a program according to the program recommendation.

In the second embodiment of the present invention, the terminal application first selects a program to be played according to the channel list, the program menu, the station logo, the EPG information, the operator information, and the like provided by the cloud server 300.

When the command received by the terminal application is a DVB live broadcast command, step S302 is performed.

In step S302, the terminal application transmits a DVB live broadcast command and program information to the conditional receiver 200.

In the embodiment of the present invention, the terminal application sends the DVB live broadcast command and the program information to the conditional receiver 200, so that the conditional receiver 200 returns the video data according to the received DVB live broadcast command and program information.

As an embodiment of the present invention, when the terminal application receives the DVB live broadcast command, the terminal application sends the DVB live broadcast command and the program information to the conditional receiver 200, so that the conditional receiver 200 broadcasts according to the DVB received by the conditional receiver. The instruction and program information return video data.

When the instruction received by the terminal application is a network on demand instruction, step S303 is performed.

In step S303, the terminal application transmits a network on-demand command and program information to the OTT server 400.

In the embodiment of the present invention, the terminal application sends a network on-demand command and program information to the OTT server 400, so that the OTT server 400 returns video data according to the received network on-demand command and program information.

As an embodiment of the present invention, when the received command is a network-on-demand command, the terminal application sends a network-on-demand command and program information to the OTT server 400, so that the OTT server 400 can receive the network-on-demand command according to the The program information returns video data.

In step S304, the terminal application plays the returned video data.

In the embodiment of the present invention, when the user selects the DVB live broadcast command, the terminal application receives and plays the live video stream returned from the conditional receiver 200, that is, the TS stream. When the user selects the network on-demand command, the terminal The application receives and plays the network video stream from the network.

FIG. 4 is a flowchart showing an implementation process when a terminal application sends a DVB live broadcast command according to the first embodiment of the present invention. For convenience of description, only parts related to the present invention are shown.

When the terminal application selects to perform DVB live broadcast, if the conditional receiver 200 is used for the first time, the terminal application automatically sends an instruction to acquire the device information of the conditional receiver 200 to the conditional receiver 200; otherwise, the terminal application sends the acquisition conditional reception as needed. The instruction of the device information of the device 200.

In step S401, the terminal application transmits a DVB live broadcast command and program information to the conditional receiver 200.

In the first embodiment of the present invention, when the user selects to perform DVB live broadcast, the terminal application sends a DVB live broadcast command and program information that needs to be played to the conditional receiver 200.

In step S402, the condition receiver 200 receives the DVB live broadcast command and the program information and returns the corresponding TS stream.

In the embodiment of the present invention, the condition receiver 200 receives the DVB live broadcast command and the program information, acquires the TS stream corresponding to the program information according to the received DVB live broadcast command, and returns the TS stream to the terminal application.

In the embodiment of the present invention, after the condition receiver 200 receives the DVB live broadcast command and the program information sent by the terminal application, the conditional receiver 200 receives the video stream from the cable television network, and receives the video stream directly from the cable television network because the player cannot play. The incoming TS stream, conditional receiver 200 processes the TS stream and returns the processed TS stream to the terminal application.

FIG. 5 shows an implementation flow of the conditional receiver 200 receiving the DVB live broadcast command and the program information and returning the corresponding TS stream in the first embodiment of the present invention. For the convenience of description, only the parts related to the present invention are shown.

In step S501, the condition receiver 200 receives the DVB live broadcast command and the program information transmitted by the terminal application.

In the first embodiment of the present invention, the conditional receiver 200 receives the DVB live broadcast command sent by the terminal application and the program information that the terminal application selects on the application interface that needs to be played.

In step S502, the condition receiver 200 obtains a video signal TS stream corresponding to the program information from the cable television network.

In the first embodiment of the present invention, after receiving the DVB live broadcast command and program information sent by the terminal application, the condition receiver 200 receives the digital television signal from the cable television network.

In step S503, the condition receiver 200 performs descrambling processing on the TS stream corresponding to the program information and returns the descrambled TS stream to the application terminal.

In the first embodiment of the present invention, since the digital television signal directly received by the conditional receiver 200 from the cable television network is a multi-frequency multi-channel TS stream, and the terminal application can only play a single-frequency single-channel TS stream, The conditional receiver 200 then descrambles the received digital television signal into a single-frequency single-channel TS stream, which is then output to the terminal application.

FIG. 6 shows an implementation flow of the video data returned by the terminal application in the first embodiment of the present invention. For the convenience of description, only the parts related to the present invention are shown.

In step S601, the terminal application receives the TS stream returned from the condition receiver 200.

In the first embodiment of the present invention, the terminal application first acquires the descrambled single-frequency single-channel TS stream returned from the conditional receiver 200.

In step S602, the terminal application converts the returned TS stream into a TS stream in the form of a network for playback.

In the first embodiment of the present invention, since the player installed on the smart play terminal 100 cannot directly play the TS stream, only the file format and the network video stream are supported for playback, and the TS stream is a real-time video stream, so The file is saved in the manner of a file, so the terminal application establishes an http service, so that the TS stream returned by the conditional receiver 200 can be converted into a network stream through the http service, and the player links to the http service through a fixed address to obtain the TS in the network form. The stream plays.

FIG. 7 is a flowchart showing an implementation process when a terminal application sends a network on-demand command according to the second embodiment of the present invention. For convenience of description, only parts related to the present invention are shown.

When the terminal application selects to perform network on-demand, if the conditional receiver 200 is used for the first time, the terminal application automatically issues an instruction to acquire the device information of the conditional receiver 200 to the conditional receiver 200; otherwise, the terminal application sends the acquisition conditional reception as needed. The instruction of the device information of the device 200.

In step S701, the terminal application sends a network on-demand command and program information to the OTT server 400.

In the second embodiment of the present invention, when the terminal application selects to perform network on-demand, the terminal application sends a network on-demand instruction and program information that needs to be played to the OTT server 400.

In step S702, the OTT server 400 returns corresponding video data based on the program information.

In the second embodiment of the present invention, the terminal application obtains a link of the network video to be played from the third-party server, that is, the OTT server 400, according to the program information that needs to be played, and the terminal application directly obtains the direct connection from the OTT server 400. Network video data.

In the embodiment of the present invention, after receiving the network on-demand instruction, the OTT server 400 searches for video data corresponding to the program information, and returns the found video data corresponding to the program information.

FIG. 8 shows the structure of an apparatus for combining DVB live broadcast and network on demand according to an embodiment of the present invention. For convenience of description, only parts related to the present invention are shown.

The device information receiving unit 500 receives the device information returned by the condition receiver 200.

In the embodiment of the present invention, when the terminal application is started, the conditional receiver 200 returns the device information of the conditional receiver 200 to the device information receiving unit, and the terminal application uses the device information of the conditional receiver 200 for authentication when acquiring the network resource. . The device information of the conditional receiver 200 includes device information such as a device ID and a device type of the conditional receiver 200.

The play mode selection unit 600 receives the play command.

As an embodiment of the present invention, when DVB live broadcast or network on demand is required, the play mode selection unit 600 receives a selection of a DVB live broadcast command or a network on demand command performed by the user on its application interface, and the play mode selection unit 600 simultaneously receives the user. The program information to be played selected on the program menu.

The DVB live broadcast instruction processing unit 700 transmits the DVB live broadcast command and the program information to the conditional receiver 200 to cause the conditional receiver 200 to return the video data according to the received DVB live broadcast command and program information.

In the embodiment of the present invention, when the instruction received by the play mode selection unit 600 is a DVB live broadcast command, the terminal application sends a DVB live broadcast command and program information to the conditional receiver 200, so that the conditional receiver 200 receives according to the received condition. The DVB live broadcast command and program information return video data.

The network on-demand instruction processing unit 800 transmits a network-on-demand instruction and program information to the OTT server 400 to cause the OTT server 400 to return video data according to the received network on-demand instruction and program information.

In the embodiment of the present invention, when the instruction received by the play mode selection unit 600 is a network-on-demand command, the terminal application sends a network on-demand command and program information to the OTT server 400, so that the OTT server 400 can perform on-demand according to the network it receives. The instruction and program information return video data.

The video data playing unit 900 plays back the returned video data.

FIG. 9 shows the structure of a DVB live broadcast instruction processing unit provided by the first embodiment of the present invention, and for convenience of explanation, only parts related to the present invention are shown.

The DVB live broadcast command and program information transmitting unit 710, the terminal application transmits a DVB live broadcast command and program information to the condition receiver 200.

In the first embodiment of the present invention, when the terminal application selects to perform DVB live broadcast, the terminal application sends a DVB live broadcast command and program information that needs to be played to the conditional receiver 200.

The instruction execution unit 720 receives the DVB live broadcast command and the program information and returns the corresponding TS stream.

Fig. 10 shows the structure of an instruction execution unit in the first embodiment of the present invention, and only parts related to the present invention are shown for convenience of explanation.

The DVB live broadcast command and program information receiving unit 721 receives the DVB live broadcast command and program information transmitted by the terminal application.

The data television signal stream obtaining unit 722 obtains a video signal TS stream corresponding to the program information from the cable television network.

The descrambling unit 723 performs descrambling processing on the TS stream corresponding to the program information and returns the descrambled TS stream.

Fig. 11 shows the structure of a video data playing unit in the first embodiment of the present invention, and only parts related to the present invention are shown for convenience of explanation.

The TS stream receiving unit 910 receives the TS stream returned from the condition receiver 200.

In the first embodiment of the present invention, the terminal application first acquires the descrambled single-frequency single-channel TS stream from the conditional receiver 200.

The network video stream playing unit 920, the terminal application converts the converted TS stream into a TS stream in the form of a network for playing.

FIG. 12 is a structural diagram of a network on-demand instruction processing unit according to a second embodiment of the present invention. For the convenience of description, only parts related to the present invention are shown.

When the terminal application selects to perform network on-demand, if the conditional receiver 200 is used for the first time, the terminal application automatically sends an instruction to acquire the device information of the conditional receiver 200 to the conditional receiver 200; otherwise, the terminal application sends the acquisition conditional reception as needed. The instruction of the device information of the device 200.

The network on-demand command and program information transmitting unit 810, the terminal application sends a network-on-demand command and program information to the OTT server 400.

The network video data obtaining unit 820 returns the corresponding video data according to the program information.

In the embodiment of the present invention, the DVB live video data is obtained through the conditional receiver, and the network resource is obtained by connecting to the third-party server, thereby realizing unified management of the functions of combining DVB live broadcast and network on-demand. At the same time, through the unified management of different broadcast and television operators, network video providers and smart device manufacturers, the customization and release of DVB live broadcast and network on-demand video services can be realized as needed.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. Within the scope.

Claims

A method for combining DVB live broadcast and network on demand, wherein the method comprises:

Receiving a play instruction, where the play instruction includes program information, and the play instruction is a DVB live broadcast command or a network on-demand command;

When the play instruction is a DVB live broadcast command, the DVB live broadcast command and the program information are sent to the conditional receiver, so that the conditional receiver returns the video data according to the DVB live broadcast command and the program information;

When the play instruction is a network on-demand instruction, sending the network on-demand instruction and program information to an OTT server, so that the OTT server returns video data according to the network on-demand instruction and program information;

The video data returned by the conditional receiver or the video data returned by the OTT server is played.
The method for combining DVB live broadcast and network on-demand according to claim 1, wherein when the play command is a DVB live broadcast command, the DVB live broadcast command and program information are sent to a conditional receiver, And the returning the video data by the conditional receiver according to the DVB live broadcast command and the program information specifically includes:

Sending a DVB live broadcast command and program information to the conditional receiver;

The conditional receiver receives the DVB live broadcast command and the program information, acquires a TS stream corresponding to the program information according to the DVB live broadcast command, and returns the TS stream.
The method for combining DVB live broadcast and network on-demand according to claim 2, wherein the conditional receiver receives the DVB live broadcast command and program information, and acquires, according to the DVB live broadcast command, a program corresponding to the program information. The TS stream and returning the TS stream specifically includes:

The conditional receiver receives the DVB live broadcast command and program information;

The conditional receiver obtains a video signal TS stream corresponding to the program information from a cable television network;

The conditional receiver performs descrambling processing on the TS stream corresponding to the program information and returns the descrambled TS stream.
The method of combining the DVB live broadcast and the network on-demand according to claim 2, wherein the playing the video data returned by the conditional receiver comprises:

Receiving the TS stream returned by the conditional receiver;

The TS stream is played in the form of a network video stream.
The method for combining DVB live broadcast and network on-demand according to claim 4, wherein the manner in which the TS stream is played in the form of a network video stream is:

An http service is established, and the TS stream returned by the conditional receiver is converted into a TS stream in a network form for playing by the http service.
The method for combining DVB live broadcast and network on-demand according to claim 1, wherein when the play command is a network on-demand command, the network on-demand command and program information are sent to an OTT server, so that The OTT server returns the video data according to the network on-demand instruction and the program information, and specifically includes:

Sending the network on-demand command and program information to the OTT server;

After receiving the network on-demand command, the OTT server searches for video data corresponding to the program information, and returns the found video data corresponding to the program information.
A device combining DVB live broadcast and network on demand, characterized in that the device comprises:

a play mode selection unit, configured to receive a play instruction, where the play instruction includes program information, where the play instruction is a DVB live broadcast command or a network on-demand command;

a DVB live broadcast instruction processing unit, when the play command is a DVB live broadcast command, transmitting the DVB live broadcast command and program information to a conditional receiver, so that the conditional receiver returns a video according to the DVB live broadcast command and program information. data;

a network-on-demand instruction processing unit, configured to send the network on-demand instruction and program information to an OTT server when the play instruction is a network-on-demand instruction, so that the OTT server returns a video according to the network on-demand instruction and program information. data;

And a video data playing unit, configured to play video data returned by the conditional receiver or video data returned by the OTT server.
The device of claim 1 , wherein the device further comprises:

The device information receiving unit is configured to receive device information returned by the conditional receiver.
The DVB live broadcast and network on demand device according to claim 1, wherein the DVB live broadcast instruction processing unit further comprises:

a DVB live broadcast command and a program information sending unit, configured to send a DVB live broadcast command and program information to the conditional receiver;

And an instruction execution unit, configured to receive the DVB live broadcast command and the program information by the conditional receiver, acquire a TS stream corresponding to the program information according to the DVB live broadcast command, and return the TS stream.
The apparatus for combining DVB live broadcast and network on demand according to claim 8, wherein the instruction execution unit comprises:

a DVB live broadcast instruction and a program information receiving unit, configured to receive, by the conditional receiver, the DVB live broadcast command and program information;

a data television signal stream acquiring unit, configured to obtain, by the conditional receiver, a video signal TS stream corresponding to the program information from a cable television network;

And a descrambling unit, configured to perform a descrambling process on the TS stream corresponding to the program information, and return the descrambled TS stream.
The device for combining DVB live broadcast and network on demand according to claim 8, wherein the video playback unit comprises:

a TS stream receiving unit, configured to receive the TS stream returned by the condition receiver;

The network video stream playing unit is configured to play the TS stream in the form of a network video stream.
The device for combining DVB live broadcast and network on demand according to claim 10, wherein the network video stream playing unit comprises:

The http service module is used to establish an http service, and the TS stream is played in the form of a network video stream of http linked video.
The device for combining DVB live broadcast and network on demand according to claim 7, wherein the network on-demand instruction processing unit comprises:

a network on-demand instruction and a program information sending unit, configured to send the network on-demand command and program information to an OTT server;

The network video data acquiring unit, after receiving the network on-demand command, the OTT server searches for video data corresponding to the program information, and returns the found video data corresponding to the program information.