CN103873950B - Video playing system and related method and device - Google Patents

Abstract

The invention discloses a film playing system and a related method and a device, wherein one of the film playing systems comprises: a content providing server for providing film signals of the first and second films; a film decoder; the display is used for displaying the film content output by the film decoder; the playing control server is used for controlling the film decoder; the first mobile communication device is used for transmitting first selection information to the play control server through the Internet at a first time point; the second mobile communication device is used for transmitting second selection information to the playing control server through the internet at a second time point. The playing control server receives and decodes the film signal of the first film by using the film decoder according to the first selection information, and receives and decodes the film signal of the second film by using the film decoder according to the second selection information after the second time point. The invention allows different mobile communication devices to control the same film decoder, thereby greatly improving the control convenience of the film decoder.

Description

Video playing system and related method and device

technical field

The present invention relates to a video playback system, in particular to a video playback system allowing multiple mobile communication devices to control the same video decoder, and related methods and devices.

Background technique

With the increasing development of the Internet, many video playback systems that utilize the Internet to transmit video content have been successively developed. However, in existing applications, content service providers only distribute one remote controller to each video decoder (eg, set-top box). In case the remote control is lost or damaged, the user cannot control the video decoder.

In addition, in a video playback system where each video decoder is only equipped with a single remote control, if it is necessary to set different video viewing permissions for different users of the remote control (for example, members of different ages in the family), it may be difficult to Password protection needs to be set for different video channels. For many users, memorizing and entering the protection password is quite troublesome, which often causes inconvenience in watching videos.

Contents of the invention

In view of this, how to provide video playback systems with different control structures to improve the flexibility of video decoder control is an urgent problem to be solved.

This specification provides an embodiment of a video playback system that allows multiple mobile communication devices to control the same video decoder, which includes: a content providing server for providing video signals of a first video and a second video; A video decoder, used to communicate with the content providing server through the Internet; a display, coupled to the video decoder, for displaying the video content output by the video decoder; a playback control server, Used to control the video decoder through the Internet; a first mobile communication device, used to transmit a first selection information to the playback control server through the Internet at a first time point; and a second mobile communication device, It is used to transmit a second selection information to the playback control server through the Internet at a second time point; wherein the playback control server uses the video decoder to receive and decode the first video according to the first selection information After the second time point, the video signal of the second video is received and decoded by the video decoder according to the second selection information.

This specification also provides a video playback control method for a playback control server, which includes: receiving a first selection information sent by a first mobile communication device through the Internet at a first time point; according to the first selection information A selection information utilizes a video decoder to receive and decode a video signal of a first video from a content providing server; at a second time point, a second selection information transmitted by a second mobile communication device through the Internet is received ; and receiving and decoding a subsequent video signal of a second video from the content providing server by using the video decoder according to the first selection information after the second time point.

This specification also provides a video playback control device, which includes: a device for receiving a first selection information transmitted by a first mobile communication device through the Internet at a first time point; The selection information utilizes a video decoder to receive and decode a video signal of a first video from a content providing server; it is used to receive a first video sent by a second mobile communication device through the Internet at a second time point means for selecting information; and means for receiving and decoding a subsequent video signal of a second video from the content providing server by using the video decoder according to the first selection information after the second time point.

One of the advantages of the above embodiment is that different mobile communication devices are allowed to control the same video decoder, which can effectively improve the convenience of controlling the video decoder.

Another advantage of the above embodiment is that the mobile communication device is allowed to control the remote video decoder through the playback control server, which greatly expands the functionality, applicability, and operational flexibility of the video playback system.

Other advantages of the present invention will be explained in more detail with the following description and accompanying drawings.

Description of drawings

FIG. 1 is a simplified functional block diagram of an embodiment of a video playing system with multiple video decoders according to the present invention.

FIG. 2 and FIG. 3 are simplified flow charts of the first embodiment of the video playback control method of the present invention.

FIG. 4 and FIG. 5 are simplified flow charts of the second embodiment of the video playback control method of the present invention.

detailed description

Embodiments of the present invention will be described below in conjunction with related drawings. In the drawings, the same reference numerals represent the same or similar elements or processes/steps.

Please refer to FIG. 1 , which is a simplified functional block diagram of a video playback system (video playback system) 100 with multiple video decoders according to an embodiment of the present invention. The video playback system 100 includes a content provider server (content provider server) 110, a video decoder 120, a display 130, a playback control server (playback control server) 140, mobile communication devices 150 and 160, an account database (account database) 170, and billing system 180 . In this embodiment, the content providing server 110, the video decoder 120, a plurality of mobile communication devices (150 and 160 are shown as examples in the figure), and the accounting system 180 will communicate with the playback control server 140 via the Internet 190 to communicate.

The content providing server 110 is used for providing video signals of the first video and the second video. The video decoder 120 is used for communicating with the content providing server 110 through the Internet 190 to receive video signals from the content providing server 110 . The display 130 is coupled to the video decoder 120 for displaying video content output by the video decoder 120 . The playback control server 140 is used to control the video decoder 120 through the Internet 190 . The mobile communication devices 150 and 160 are used to transmit control information to the playback control server 140 through the Internet 190 to request control of the video decoder 120 . The playback control server 140 will dynamically decide to assign the control right of the video decoder 120 to the mobile communication device 150 or 160 . When the mobile communication device 150 or 160 obtains the control right of the video decoder 120 , it can transmit control information to the playback control server 140 through the Internet 190 to select the target video to be played.

In the video playback system 100 , the mobile communication devices 150 and 160 can act as remote controllers of the video decoder 120 , but the mobile communication devices 150 and 160 both indirectly control the video decoder 120 through the playback control server 140 . In addition, the video signal of the target video selected by the mobile communication device 150 or 160 is directly transmitted to the video decoder 120 by the content providing server 110 through the Internet 190, and the playback control server 140 does not act as an intermediary transmission of the video signal. device.

As shown in FIG. 1 , the playback control server 140 includes a processing circuit 141 , a storage device 143 and a communication circuit 145 coupled to the processing circuit 141 , wherein the storage device 143 stores a playback control module (playback control module) 147 . In practice, the playback control module 147 can be composed of one or more application program modules, and the storage device 143 can be implemented by a volatile memory or a non-volatile memory. The processing circuit 141 may be implemented with one or more processor units. The communication circuit 145 may be a wired communication circuit, or a wireless communication circuit, or a circuit that integrates the aforementioned two functions. For convenience of illustration, other components and connections in the playback control server 140 are not shown in FIG. 1 . In practice, the playback control server 140 may be implemented by multiple servers located in the same geographical area, or may be implemented by multiple servers located in different geographical areas.

In the embodiment of FIG. 1 , the mobile communication device 150 includes a control circuit 151 , a storage device 153 coupled to the control circuit 151 , a communication circuit 155 , and an input device 157 . Similar to the mobile communication device 150 , the mobile communication device 160 includes a control circuit 161 , a storage device 163 coupled to the control circuit 161 , a communication circuit 165 , and an input device 167 . In practice, the control circuit 151 or 161 can be realized by one or more processor units. The communication circuit 155 or 165 may be a wired communication circuit, or a wireless communication circuit, or a circuit integrating the above two functions at the same time. The input device 157 or 167 can be a touch screen, a touch pad, a keyboard, a mouse, a voice control device, or a combination of the aforementioned devices. In addition, the storage device 153 stores a video remote control module 159 composed of one or more application modules, and the storage device 163 stores a video remote control module 169 composed of one or more application modules.

In terms of application, both the mobile communication devices 150 and 160 can be various mobile electronic devices with networking functions (such as mobile phones, tablet computers, notebook computers, small laptops, e-books, handheld game consoles, etc.). For convenience of illustration, other components and connections in the mobile communication devices 150 and 160 are not shown in FIG. 1 .

The operation of the video playback system 100 will be further described below with reference to FIG. 2 and FIG. 3 .

FIG. 2 and FIG. 3 are simplified flow charts of the first embodiment of the video playback control method used in the video playback system 100 of the present invention. In FIG. 2 and FIG. 3 , the process in the column of a specific device represents the process performed by the specific device. For example, in FIG. 2 , the part in the column marked as "Playback Control Server 140" represents the process performed by the Playback Control Server 140, and the part in the column marked "Video Decoder 120" represents the video The process performed by the decoder 120, and the rest can be deduced in the same way. The same layout logic is also used in subsequent flow charts.

When the user of the mobile communication device 150 wants to watch a video, the input device 157 of the mobile communication device 150 can be used to instruct the control circuit 151 to execute the video remote control module 159, so that the mobile communication device 150 performs the corresponding field in FIG. 2 and FIG. 3 part or all of the process. Similarly, when the user of the mobile communication device 160 wants to watch a movie, the input device 167 of the mobile communication device 160 can be used to instruct the control circuit 161 to execute the video remote control module 169, so that the mobile communication device 160 performs the corresponding operation in FIG. 2 and FIG. 3 Part or all of the flow for the field. The processing circuit 141 in the playback control server 140 executes the playback control module 147 to make the playback control server 140 perform part or all of the processes in the corresponding fields.

In the process 202 , the video remote control module 159 of the mobile communication device 150 can set the mobile communication devices 150 and 160 into the same access group, and set respective video access rights for the mobile communication devices 150 and 160 . For example, assuming that the user of the mobile communication device 150 is a parent at home, and the user of the mobile communication device 160 is a child in the family, then the video remote control module 159 can control the mobile communication device 150 according to the operation of the user of the mobile communication device 150. A higher video access permission is set, and a more restricted video access permission is set for the mobile communication device 160 . Next, the video remote control module 159 can use the communication circuit 155 to transmit the settings of the aforementioned group relationship and access authority to the playback control server 140 through the Internet 190 . In practice, the aforementioned setting values may include SIM card numbers of the mobile communication devices 150 and 160 and an access group code.

When the playback control server 140 receives the set values of the aforementioned group relationship and access authority, it will proceed to process 204 to store the received set values of the group relationship and access authority.

Afterwards, when the user of the mobile communication device 150 wants to use the mobile communication device 150 to control the video decoder 120 through the playback control server 140, the video remote control module 159 will perform the process 206, and use the communication circuit 155 to transfer a first control The request CR1 is transmitted to the playback control server 140 through the Internet 190 .

When the playback control server 140 receives the first control request CR1 , it will proceed to the process 208 to check whether the mobile communication device 150 conforms to the stored predetermined group relationship and check the access authority of the mobile communication device 150 . In practice, the playback control server 140 can also perform an identity authentication procedure on the mobile communication device 150 in the process 208 . When performing identity authentication, the playback control server 140 can generate a relevant identity query web page to prompt the user of the mobile communication device 150 to input identity authentication data, such as mobile phone number, user alias, or identity identification data such as ID number and related information. corresponding password. Next, the playback control server 140 can compare the identity authentication data sent by the mobile communication device 150 with the files in the account database 170 . When the identity authentication data match, the mobile communication device 150 can pass the identity authentication procedure; otherwise, the playback control server 140 will return the information of identity authentication failure to the mobile communication device 150 .

After the mobile communication device 150 passes the verification procedure of the process 208 , the playback control server 140 will give the mobile communication device 150 the control right of the video decoder 120 .

Then, the video remote control module 159 of the mobile communication device 150 will perform the process 210, requiring the user to use the input device 157 to select a first video V1 to be played, and use the communication circuit 155 at a first time point T1 to include the first video V1. The movie code of the movie V1 or a first selection information of related identification data is sent to the playback control server 140 through the Internet 190 .

In the process 212 , the playback control module 147 of the playback control server 140 uses the communication circuit 145 to receive the first selection information from the mobile communication device 150 . The play control module 147 utilizes the video decoder 120 to receive the video signal of the first video V1 according to the first selection information. Therefore, in the process 212 , the play control module 147 uses the communication circuit 145 to transmit a first enable signal EN1 and related information of the first video V1 to the video decoder 120 through the Internet 190 . In one embodiment, the aforementioned related information of the first video V1 includes a video identification code or related identification data of the first video V1. In another embodiment, the aforementioned information about the first movie V1 further includes buyer information of the first movie V1, for example, the SIM card number of the mobile communication device 150 and the like.

After the video decoder 120 receives the first activation command EN1 and the relevant information of the first video V1, it will proceed to the process 214 to request the video signal of the first video V1 from the content providing server 110 through the Internet 190 . In practice, when the video decoder 120 requests the video signal of the first video V1 from the content providing server 110 , it may transmit the aforementioned related information of the first video V1 to the content providing server 110 .

In the process 216 , the content providing server 110 checks the access authority of the video decoder 120 . For example, the content providing server 110 may query the playback control server 140 whether the mobile communication device 150 corresponding to the video decoder 120 has purchased the first video V1. If the content providing server 110 determines that the video decoder 120 has the access right of the first video V1, the process 218 will be performed to transmit the video signal of the first video V1 to the video decoder 120 through the Internet 190 .

In the process 220 , the content providing server 110 notifies the billing system 180 of the purchase record of the first movie V1 by the mobile communication device 150 through the Internet 190 , so that the billing system 180 can update the billing record of the mobile communication device 150 accordingly.

In the process 222, the video decoder 120 receives and decodes the video signal of the first video V1.

In the process 224, the video decoder 120 outputs the decoded video content to the display 130 for playing the first video V1.

During the process of playing the first video V1 by the video decoder 120 and the display 130, or after the video decoder 120 and the display 130 have finished playing the first video V1, if the user of the mobile communication device 160 wants to watch a different If the second video V2 is selected, the video remote control module 169 can be used to carry out the process 302 in FIG.

When the playback control module 147 receives the second control request CR2 from the mobile communication device 160, it will proceed to the process 304 to check whether the mobile communication device 160 meets the stored predetermined group relationship, and to check the storage status of the mobile communication device 160. access permissions. In practice, the playback control server 140 can also perform an identity authentication procedure on the mobile communication device 160 in the process 304 . When performing identity authentication, the playback control server 140 can generate a relevant identity query web page to prompt the user of the mobile communication device 160 to input identity authentication data, such as mobile phone number, user alias, or ID number and other identification data and related information. corresponding password. Next, the playback control server 140 can compare the identity authentication data sent by the mobile communication device 160 with the files in the account database 170 . When the identity authentication data match, the mobile communication device 160 can pass the identity authentication procedure; otherwise, the playback control server 140 will return the information of identity authentication failure to the mobile communication device 160 .

After the mobile communication device 160 passes the verification procedure of the process 304 , the playback control module 147 of the playback control server 140 will perform the process 306 to request the mobile communication device 150 to release the control right of the video decoder 120 through the Internet 190 .

If the user of the mobile communication device 150 agrees to release the control right of the video decoder 120, the video remote control module 159 will proceed to the process 308, and transmit relevant confirmation information to the playback control server 140 through the Internet 190 to express consent to the release. control of the video decoder 120.

In the process 310 , the playback control module 147 changes the control right of the video decoder 120 to grant the control right of the video decoder 120 to the mobile communication device 160 .

Then, the video remote control module 169 of the mobile communication device 160 will proceed to the process 312, requiring the user to use the input device 167 to select the second video V2 to be played, and at a second time point T2, use the communication circuit 165 to send the video containing the second video. The video code of V2 or a second selection information of related identification data is sent to the playback control server 140 through the Internet 190 .

In the process 314 , the playback control module 147 of the playback control server 140 uses the communication circuit 145 to receive the second selection information from the mobile communication device 160 . The play control module 147 utilizes the video decoder 120 to receive the video signal of the second video V2 according to the second selection information. Therefore, in the process 314 , the play control module 147 uses the communication circuit 145 to transmit a second activation command EN2 and related information of the second video V2 to the video decoder 120 through the Internet 190 . In one embodiment, the aforementioned related information of the second video V2 includes a video identification code or related identification data of the second video V2. In another embodiment, the aforementioned information about the second movie V2 further includes buyer information of the second movie V2, for example, the SIM card number of the mobile communication device 160 and the like.

After the video decoder 120 receives the second activation command EN2 and the related information of the second video V2, it will proceed to the process 316 to request the video signal of the second video V2 from the content providing server 110 through the Internet 190 . In practice, when the video decoder 120 requests the video signal of the second video V2 from the content providing server 110 , it may transmit the aforementioned related information of the second video V2 to the content providing server 110 .

In the process 318 , the content providing server 110 checks the access authority of the video decoder 120 . For example, the content providing server 110 may query the playback control server 140 whether the mobile communication device 160 corresponding to the video decoder 120 has purchased the second video V2. If the content providing server 110 determines that the video decoder 120 has the access authority of the second video V2, the process 320 will be performed to transmit the video signal of the second video V2 to the video decoder 120 through the Internet 190 .

In the process 322 , the content providing server 110 notifies the billing system 180 of the purchase record of the second movie V2 by the mobile communication device 160 through the Internet 190 , so that the billing system 180 can update the billing record of the mobile communication device 160 accordingly. In practice, the billing system 180 can charge the purchase behavior of the first movie V1 by the mobile communication device 150 and the purchase behavior of the second movie V2 by the mobile communication device 160 separately. For example, the billing system 180 may list the cost of the first movie V1 on the telecommunications bill of the mobile communication device 150 , and list the cost of the second movie V2 on the telecommunications bill of the mobile communication device 160 . Such an approach can clearly distinguish the fees incurred by different users' purchase behaviors without causing confusion on fees.

In the process 324, the video decoder 120 receives and decodes the video signal of the second video V2.

In the process 326, the video decoder 120 outputs the decoded video content to the display 130 for playing the second video V2.

As mentioned above, the billing system 180 can charge the purchase behavior of the first movie V1 by the mobile communication device 150 and the purchase behavior of the second movie V2 by the mobile communication device 150 separately. In one embodiment, even if the mobile communication device 160 purchases the first video V1 within a short period of time (for example, within a few hours) after the mobile communication device 150 purchases the first video V1, the billing system 180 can still The purchase behavior of the first movie V1 by the mobile communication device 150 and the purchase behavior of the first movie V1 by the mobile communication device 160 are billed separately. Such a mechanism is especially suitable for an application environment in which renters of multiple rooms play videos through the same video decoder 120 and display 130 in a time sharing manner.

It can be known from the foregoing description that in the video playback system 100 , different mobile communication devices 150 and 160 can indirectly control the video decoder 120 through the playback control server 140 . Since the mobile communication devices 150 and 160 communicate with the playback control server 140 through the Internet 190, and the playback control server 140 also communicates with the video decoder 120 through the Internet 190, even if the video decoder 120 communicates with the mobile Even if the devices 150 or 160 are far apart, the user of the mobile communication device 150 or 160 can still control the video decoder 120 . In this way, the applicability and operational flexibility of the video playing system 100 can be effectively expanded.

In addition, the video playback system 100 allows the same video decoder 120 to be controlled by different mobile communication devices, which can avoid the situation that the video decoder 120 cannot be controlled due to the loss of the remote control, and can easily realize communication between different mobile communication devices. control of viewing rights.

Please refer to FIG. 4 and FIG. 5 , which illustrate a simplified flow chart of a second embodiment of the video playback control method used in the video playback system 100 of the present invention.

The flowchart in FIG. 4 is similar to the aforementioned flowchart in FIG. 2 , the difference between the two is that in the embodiment in FIG. 4 , the processes 202 , 204 and 208 in FIG. 2 are replaced by processes 402 , 404 and 408 .

In the embodiment of FIG. 4 , the video remote control module 159 of the mobile communication device 150 can set the mobile communication devices 150 and 160 to the same access group in the process 402 , but does not set the same access group for the mobile communication devices 150 and 160 Different video access permissions. Next, the video remote control module 159 can use the communication circuit 155 to transmit the setting value of the aforementioned group relationship to the playback control server 140 through the Internet 190 . In practice, the aforementioned setting values may include SIM card numbers of the mobile communication devices 150 and 160 and an access group code.

When the playback control server 140 receives the set value of the aforementioned group relationship, it will proceed to process 404 to store the received set value of the group relationship.

In the embodiment of FIG. 4 , when the playback control server 140 receives the first control request CR1 , it will perform a process 408 to check whether the mobile communication device 150 matches the stored predetermined group relationship. Likewise, the playback control server 140 may also perform the same or similar identity authentication procedure as in the foregoing embodiment on the mobile communication device 150 in the process 408 .

After the mobile communication device 150 passes the verification procedure of the process 408 , the playback control server 140 will give the mobile communication device 150 the control right of the video decoder 120 .

Next, the video remote control module 159 of the mobile communication device 150 will proceed to the process 210, requiring the user to use the input device 157 to select the first video V1 to be played, and use the communication circuit 155 to send the first video V1 at the first time point T1. The first selection information of the movie code or related identification data is sent to the playback control server 140 through the Internet 190 .

The other processes in FIG. 4 are the same as the corresponding processes in FIG. 2 , therefore, the descriptions about the operations and advantages of the other processes in FIG. 2 are also applicable to the embodiment in FIG. 4 .

As shown in FIG. 5 , when the playback control module 147 of the playback control server 140 receives the second control request CR2 from the mobile communication device 160, it will perform a process 504 to check whether the mobile communication device 160 matches the stored predetermined group. group relationship. In this embodiment, the playback control module 147 does not need to verify the access authority of the mobile communication device 160 . In practice, the playback control server 140 can also perform the same or similar identity authentication procedure to the mobile communication device 160 in the process 504 as in the previous embodiment.

After the mobile communication device 160 passes the verification procedure of the process 504 , the playback control server 140 will give the mobile communication device 160 the control right of the video decoder 120 .

Then, the video remote control module 169 of the mobile communication device 160 will proceed to the process 312, requiring the user to use the input device 167 to select the second video V2 to be played, and use the communication circuit 165 at the second time point T2 to send the video containing the second video V2 The second selection information of the movie code or related identification data is sent to the playback control server 140 through the Internet 190 .

The other processes in FIG. 5 are the same as the corresponding processes in FIG. 3 , therefore, the descriptions about the operations and advantages of the other processes in FIG. 3 are also applicable to the embodiment in FIG. 5 .

It can be seen from the foregoing description that the methods described in FIG. 4 and FIG. 5 also allow mobile communication devices 150 and 160 to control the video decoder 120, and when the playback control server 140 wants to switch the control right of the video decoder 120, There is no need to request the release of the control right from the mobile communication device that holds the control right at that time, which can effectively improve the convenience of using the mobile communication device 150 and 160 as the remote control of the video decoder 120 .

The execution sequence of the processes in the foregoing flowcharts is only an exemplary embodiment, rather than limiting the actual implementation of the present invention. For example, in the flowchart of FIG. 2 , the process 206 and the process 210 can be performed together, and the process 208 can be adjusted to be performed between the processes 210 and 212 . In the flowchart of FIG. 3 , the process 302 and the process 312 can be performed together, and the process 304 can be adjusted to be performed between the processes 312 and 314 . In the flowchart of FIG. 4 , the process 206 and the process 210 can be performed together, and the process 408 can be adjusted to be performed between the processes 210 and 212 . In the flowchart of FIG. 5 , the process 302 and the process 312 can be performed together, and the process 504 can be adjusted to be performed between the processes 312 and 314 .

In addition, the aforementioned processes 220 and 322 can also be performed by the playback control server 140 instead. In addition, in some embodiments, the processes 306 , 308 and 310 in FIG. 3 may be omitted.

It can be seen from the foregoing description that the video playback system 100 proposed in this case allows multiple mobile communication devices to indirectly control the same video decoder 120 through the playback control server 140, which can effectively improve the convenience and flexibility of the video decoder 120, and Can easily control the viewing rights of different users. In addition, the video playback system 100 can clearly distinguish the fees generated by different users' video purchase behaviors without causing confusion on fees.

In addition, as mentioned above, in the video playing system 100 , even if the video decoder 120 is far away from the mobile communication device 150 or 160 , the user of the mobile communication device 150 or 160 can still control the video decoder 120 . Therefore, the user of the mobile communication device 150 or 160 can not only use the mobile communication device 150 or 160 to control the video decoder 120 to play the video he wants to watch, but also remotely control the video decoder 120 to convert the selected video Playing to others (for example, family members or friends at a distance) to watch greatly increases the functionality and application range of the video playing system 100 .

Certain terms are used in the specification and claims to refer to particular elements. However, those skilled in the art should understand that the same element may be called by different terms. The description and the scope of the patent application do not use the difference in name as the way to distinguish components, but the difference in function of the components as the basis for differentiation. The term "comprising" mentioned in the specification and scope of patent application is an open term, so it should be interpreted as "including but not limited to". In addition, "coupling" here includes any direct and indirect connection means.

The process features in some device claims in the claims correspond to the content of the operation process in the drawings and flow charts in the description. Therefore, these device claims should be understood as the functional module structure of the aforementioned solution mainly realized through the computer program described in the specification, rather than as a physical device that mainly realizes the solution through hardware.

The above descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the claims of the present invention shall fall within the scope of the present invention.

Claims (9)

1. a kind of multiple action communication devices of permission control the video playback system of same film decoder, it is characterised in that bag Contain：

One content providing server, for providing the film signal of one first film and one second film；

One film decoder, for being communicated with the content providing server by internet；

One display, is coupled to the film decoder, for showing substance film that the film decoder is exported；

One plays control server, for controlling the film decoder by internet；

One first action communication device, broadcasts to this for transmitting a first choice information by internet in a first time point Put control server；And

One second action communication device, broadcasts to this for transmitting one second selection information by internet in one second time point Put control server；

First action communication device and second mobile communication are filled by the film remote control module in first action communication device A predetermined group relation between putting is set to belong to same access group, and is first action communication device and second row Dynamic communicator sets respective film access right, when the broadcasting control server receives aforementioned predetermined group relation and shadow During the setting value of piece access right, the setting value of the predetermined group relation for receiving and film access right is stored；

Wherein, the first choice packet contains one first control data, and the broadcasting control server was checked and accepted in the very first time During to first control data, further investigate whether first action communication device meets the predetermined group relation, if this One action communication device meets the predetermined group relation, and broadcasting control server is then according to the first choice Information Pull shadow Piece decoder is received and decodes the film signal of first film；The second selection packet contains one second control data, and should Control server is played when second time point receives second control data, investigates whether second action communication device accords with The predetermined group relation is closed, if second action communication device meets the predetermined group relation, then it represents that first mobile communication Device and second action communication device belong to same group, the broadcasting control server after second time point according to this Two selection Information Pull film decoders are received and decode the film signal of second film.

2. video playback system as claimed in claim 1, it is characterised in that broadcasting control server receives second control After request, first action communication device is asked to disengage a control of the film decoder.

3. video playback system as claimed in claim 1, it is characterised in that the broadcasting controls server in the first time point The relevant information of one first enabled instruction and first film is transmitted afterwards to the film decoder；

Wherein the film decoder asks first film to the content providing server after first enabled instruction is received Film signal.

4. video playback system as claimed in claim 3, it is characterised in that the broadcasting controls server in second time point The relevant information of one second enabled instruction and second film is transmitted afterwards to the film decoder；

Wherein the film decoder asks second film to the content providing server after second enabled instruction is received Film signal.

5. it is a kind of to play the movie playback control method for controlling server for one, it is characterised in that to include：

The first choice information that one first action communication device is transmitted by internet is received in a first time point；

Receive from a content providing server and decode one first film according to the one film decoder of first choice Information Pull Film signal, the first choice packet contain one first control data；

The one second selection information that transmits by internet of one second action communication device is received in one second time point, this Two select packet to contain one second control data；

When the first time point receives first control data, investigate whether first action communication device meets a predetermined group Relation；

A predetermined group relation between first action communication device and second action communication device is set to belong to same One access group, and be that first action communication device and second action communication device set respective film access right；

The setting value of predetermined group relation and film access right is stored；

When second time point receives second control data, investigate whether second action communication device meets the pre- grouping Group relation, if first action communication device and second action communication device meet the predetermined group relation, then it represents that this One action communication device belongs to same group with second action communication device；And

Receive from the content providing server according to the second selection Information Pull film decoder after second time point And decode the film signal of one second film.

6. a kind of movie playback control device, it is characterised in that include：

For receiving the first choice information that one first action communication device is transmitted by internet in a first time point Device；

For receiving from a content providing server and decoding one first according to the one film decoder of first choice Information Pull The device of the film signal of film；

For receiving the one second selection information that one second action communication device is transmitted by internet in one second time point Device；

For before the first time point, receiving one first control that first action communication device transmits by internet please The device asked；

For, before second time point, receiving one second control data that second action communication device is transmitted by the Internet Device；

For the predetermined group relation between first action communication device and second action communication device is set to category In same access group, and it is that first action communication device and second action communication device set respective film access right The device of limit；

For receiving during the setting value of aforementioned predetermined group relation and film access right, by the predetermined group relation for receiving The device stored with the setting value of film access right；

For receiving during first control data and during second control data, investigate first action communication device and this second Whether action communication device meets a predetermined group relation, and is investigating first action communication device and second mobile communication After device meets the predetermined group relation, judge that first action communication device belongs to same cluster with second action communication device The device of group；And

For after confirming that first action communication device and second action communication device meet the predetermined group relation, at this Receive from the content providing server and decode one according to the second selection Information Pull film decoder after second time point The device of the film signal of the second film.

7. movie playback control device as claimed in claim 6, it is characterised in that additionally comprise：

For, asking first action communication device to disengage a control of the film decoder after second control data is received The device of power.

8. movie playback control device as claimed in claim 6, it is characterised in that additionally comprise：

Relevant information for one first enabled instruction and first film are transmitted after the first time point is decoded to the film Device, so that the film decoder asks the device of the film signal of first film to the content providing server.

9. movie playback control device as claimed in claim 8, it is characterised in that additionally comprise：

Relevant information for one second enabled instruction and second film are transmitted after second time point is decoded to the film Device, so that the film decoder asks the device of the film signal of second film to the content providing server.