WO2017036259A1

WO2017036259A1 - Resource request method and device, and terminal control method and device

Info

Publication number: WO2017036259A1
Application number: PCT/CN2016/091045
Authority: WO
Inventors: 潘云川
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-08-31
Filing date: 2016-07-22
Publication date: 2017-03-09
Also published as: CN106488260A

Abstract

A resource request method, comprising: receiving an invoking request sent by a first multimedia system in a heterogeneous multimedia system and used for invoking a multimedia resource of a second multimedia system, wherein the heterogeneous multimedia system comprises the first multimedia system and the second multimedia system; under the trigger of the invoking request, transcoding the multimedia resource according to a transcoding format required by the first multimedia system; and sending the transcoded multimedia resource to the first multimedia system. By means of the technical solution, the problem in the related art that intercommunication between heterogeneous multimedia systems cannot be achieved is solved, so that interconversion of multimedia resources and control signalling can be achieved between a plurality of multimedia systems (heterogeneous multimedia systems), thereby achieving intercommunication between the heterogeneous multimedia systems.

Description

Resource request method and device, terminal control method and device

Technical field

The present application relates to, but is not limited to, the field of communications, and in particular, to a resource request method and apparatus, a terminal control method and apparatus.

Background technique

With the development of wired communication, wireless communication 3G, 4G, multimedia communication applications are also widely available and diverse, such as video conferencing, video surveillance, Internet Protocol Television (IPTV), OTT (Over The Top), VOIP (Voice over Internet Protocol), etc., but there is a difference in coding and signaling control for each multimedia application. For example, the video surveillance field focuses on real-time video viewing, recording, and video storage, so it is necessary to time-frame I frames, so that the 1080P/25F code stream reaches 4M-8M/bps, and the video surveillance protocol specification complies with the open network video interface forum ( Open Network Video Interface Forum (referred to as ONVIF), Physical Security Interoperability Alliance (PISA) or GB\28181 (GB); video conferencing applications focus on high-definition bandwidth applications, 1080P/30F codes The rate of video conferencing is only 1M to 2M/bps. The protocol specification of video conferencing complies with H.323 and Session Initiation Protocol (SIP). The fusion/integrated multimedia communication application involving video surveillance and video conferencing is used by both parties. Media and control signaling cannot be interworked.

In view of the problem that intercommunication cannot be achieved between multimedia systems in related technologies, an effective technical solution has not been proposed.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

The embodiments of the present invention provide a resource request method and device, a terminal control method, and a device, which can solve the problem that the multimedia systems cannot be interoperable in the related art.

According to an aspect of an embodiment of the present invention, a resource request method is provided, including: receiving a request for invoking a multimedia resource of a second multimedia system sent by a first multimedia system in a heterogeneous multimedia system, wherein the heterogeneous multimedia system comprises: the first multimedia system, the a second multimedia system; the multimedia resource is transcoded according to a transcoding format required by the first multimedia system, and the transcoded multimedia resource is sent to the The first multimedia system.

Optionally, transcoding the multimedia resource according to the transcoding format required by the first multimedia system, including: transcoding the multimedia resource according to a transcoding format required by the first multimedia system And transcoding the multimedia resource according to a code stream feature of the first multimedia system.

Optionally, the information required to transcode the multimedia resource according to the code stream feature includes at least: an algorithm used for resolution, a frame rate, a code rate, and a transcoding.

Optionally, before receiving the calling request, the method further includes: acquiring multimedia resource information of the second multimedia system; and generating the calling request according to the multimedia resource information.

Optionally, the multimedia resource is transcoded according to a transcoding format required by the first multimedia system, including:

Decoding the multimedia resource; re-encoding the decoded multimedia resource according to a transcoding format of the first multimedia system.

According to another aspect of the embodiments of the present invention, a terminal control method is provided, including: receiving, by a first multimedia system in a heterogeneous multimedia system, a first control for controlling a terminal of a second multimedia system Signaling, wherein the heterogeneous multimedia system includes: the first multimedia system, the second multimedia system; and the first control signaling and the second multimedia system The second control signaling is matched, and the matched first control signaling is sent to the terminal.

Optionally, the second multimedia system includes: a video conference system, the terminal includes: a video conference camera, and the first control signaling is used to control the video conference camera to rotate according to a specified trajectory.

Optionally, the first control signaling is matched with the second control signaling of the second multimedia system, including: acquiring a signaling format of the second control signaling; The signaling format of the control signaling is matched one by one into the signaling format of the second control signaling.

According to another aspect of the present invention, a resource requesting apparatus is provided, including: a first receiving module, configured to receive a second multimedia system sent by a first multimedia system in a heterogeneous multimedia system for invoking a second multimedia The request for the multimedia resource of the system, wherein the heterogeneous multimedia system comprises: the first multimedia system, the second multimedia system; and a transcoding module, which is connected to the first receiving module, and is configured to The transcoding module is transcoded according to the transcoding format required by the first multimedia system, and the sending module is connected to the first encoding module, and is configured to be transcoded. The subsequent multimedia resources are sent to the first multimedia system.

Optionally, the transcoding module is configured to transcode the multimedia resource according to a transcoding format required by the first multimedia system; or, according to a code stream feature of the first multimedia system Transcoding the multimedia resource.

Optionally, the transcoding module needs at least the following information to transcode the multimedia resource according to the code stream feature of the first multimedia system: resolution, frame rate, code rate, and an algorithm used for encoding.

Optionally, the device further includes: an obtaining module, configured to be connected to the first receiving module, configured to acquire multimedia resource information of the second multimedia system; and a generating module, connected to the acquiring module, configured to And generating the call request according to the multimedia resource information.

Optionally, the transcoding module includes: a decoding unit configured to decode the multimedia resource; and a re-encoding unit configured to re-encode the decoded multimedia according to a transcoding format of the first multimedia system Resources.

According to another aspect of the embodiments of the present invention, a terminal control apparatus is provided, including: a second receiving module, configured to receive, by a first multimedia system in a heterogeneous multimedia system, a second multimedia First control signaling of the terminal of the system, wherein the heterogeneous multimedia system comprises: the first multimedia system, the second multimedia system; a matching module, configured to set the first control signal And matching the second control signaling of the second multimedia system; the sending module is configured to deliver the matched first control signaling to the terminal.

Optionally, the second receiving module is configured to: in the second multimedia system, a video conferencing system, the terminal includes: a video conference camera, where the first control signaling is used to control the video The first control signaling is received when the conference camera rotates according to the specified trajectory.

Optionally, the matching module includes: an acquiring unit, configured to acquire the second control signaling The signaling format is configured to match the signaling format of the first control signaling to the signaling format of the second control signaling.

The embodiment of the invention further provides a computer readable storage medium storing computer executable instructions, which are implemented when the computer executable instructions are executed.

According to the embodiment of the present invention, the multimedia resource and the control signaling (the multimedia resource requested by the first multimedia system to the second multimedia system, and the first multimedia system to the second multimedia medium) The control signaling sent by the system is transcoded according to the required format, which solves the problem that the heterogeneous multimedia systems cannot be interoperable in the related technologies, and thus realizes multiple multimedia systems (heterogeneous multimedia systems). The mutual conversion of multimedia resources and control signaling can be realized, and the interworking between heterogeneous multimedia systems is realized.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

BRIEF abstract

The drawings described herein are intended to provide a further understanding of the present application, and are intended to be a part of this application. In the drawing:

FIG. 1 is a flowchart of a resource request method according to an embodiment of the present invention; FIG.

2 is a flowchart of a terminal control method according to an embodiment of the present invention;

FIG. 3 is a structural block diagram of a resource requesting apparatus according to an embodiment of the present invention; FIG.

4 is a block diagram showing another structure of a resource requesting apparatus according to an embodiment of the present invention;

FIG. 5 is a structural block diagram of a terminal control apparatus according to an embodiment of the present invention; FIG.

6 is a block diagram showing another structure of a terminal control apparatus according to an embodiment of the present invention;

Figure 7 is a block diagram showing the composition of an alternative embodiment of the present application;

FIG. 8 is a flowchart of transcoding according to an alternative embodiment of the present application.

Embodiments of the invention

The present application will be described in detail below with reference to the drawings in conjunction with the embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

Other features and advantages of the present application will be set forth in the description which follows. The objectives and other advantages of the present invention can be realized and obtained by the structure of the invention.

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. The described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without departing from the inventive scope shall fall within the scope of the application.

In the embodiment of the present invention, a resource request method is provided. FIG. 1 is a flowchart of a resource request method according to an embodiment of the present invention. As shown in FIG. 1 , the resource request method provided in this embodiment includes the following steps:

Step S102, receiving a call request for calling a multimedia resource of the second multimedia system sent by the first multimedia system in the heterogeneous multimedia system, where the heterogeneous multimedia system includes: the first multimedia system, The second multimedia system described above;

Step S104, the multimedia resource is transcoded according to the transcoding format required by the first multimedia system, triggered by the calling request.

Step S106: Send the transcoded multimedia resource to the first multimedia system.

Through the above steps, the first multimedia system sends a call request to the second multimedia system, and then, under the trigger of the call request, the multimedia resource can be transcoded according to the transcoding format required by the first multimedia system. Then, the transcoded multimedia resource is sent to the first multimedia system, which solves the problem that the multimedia system cannot be interoperable among the related technologies, thereby realizing the mutual realization of multimedia resources between multiple multimedia systems. Conversion enables interworking between multiple multimedia systems.

The foregoing step S104 has multiple implementation manners. In an optional example of the embodiment of the present invention, the following technical solution may be implemented: the transcoding format required by the first multimedia system is Decoding the multimedia resource; or transcoding the multimedia resource according to the code stream feature of the first multimedia system (which can be understood as an automatic transcoding process), wherein the automatic transcoding process is required The information includes at least: resolution, frame rate, code rate, and algorithm used for encoding.

The method further includes: acquiring multimedia resource information of the second multimedia system, and generating a call request according to the multimedia resource information, that is, acquiring the second multimedia medium, before the step S102 is performed, that is, before receiving the call request. After the multimedia resource information of the body system, the first multimedia system knows what call request should be sent to request the required resources.

It should be noted that the above transcoding process actually includes: a decoding process and a re-encoding process, that is, the received media resources need to be decoded first, and then transcoded according to the transcoding format of the first multimedia system.

In the embodiment of the present invention, a terminal control method is further provided. FIG. 2 is a flowchart of a terminal control method according to an embodiment of the present invention. As shown in FIG. 2, the terminal control method provided in this embodiment includes the following steps:

Step S202, receiving, by the first multimedia system in the heterogeneous multimedia system, the first control signaling for controlling the terminal of the second multimedia system, where the heterogeneous multimedia system includes: a first multimedia system, Second multimedia system;

Step S204, matching the first control signaling with the second control signaling of the second multimedia system;

Step S206: The matched first control signaling is delivered to the terminal.

Through the above steps, the first multimedia system sends control signaling to the second multimedia system, and the control signaling can be encoded according to the format required by the second multimedia system, and then the encoded control signaling is sent. The terminal of the second multimedia system solves the problem that the multiple multimedia systems cannot be interoperable in the related art, thereby realizing the mutual conversion of control signaling between multiple multimedia systems, and realizing multiple Interworking between multimedia systems.

In an optional example, the foregoing second multimedia system includes: a video conference system, where the terminal includes: a video conference camera, and the first control signaling is used to control the video conference camera to rotate according to a specified trajectory.

Optionally, the foregoing step S204 may be implemented by: acquiring a signaling format of the second control signaling; and matching the signaling format of the first control signaling to the second control information one by one The signaling format of the order.

In order to better understand the resource request process and the technical solution of the terminal control process, the following description is combined with an optional example, but is not used to limit the embodiments of the present invention.

The application examples can address interoperability issues between heterogeneous media systems. The example of the present application provides a heterogeneous multimedia service bus structure, and implements multimedia intercommunication between heterogeneous multimedia systems, and involves the following technical solutions:

1. Intelligently identify the coding mode and control signaling of the heterogeneous multimedia system. For example, the mutual recognition of the coding mode and control signaling between the video conference and the video surveillance system.

2. The coding and signaling intelligence between heterogeneous multimedia systems are mutually transformed. For example, the mutual intelligent transformation of coding and control signaling between video conferencing and video surveillance systems.

3. Intelligent interoperability between heterogeneous multimedia systems. For example, the device and system provided by this embodiment can implement intelligent interworking between the video conference system and the video surveillance system.

It should be noted that, for the foregoing method embodiments, for the sake of simple description, they are all expressed as a series of action combinations, but those skilled in the art should understand that the present application is not limited by the described action sequence, because In accordance with the present application, certain steps may be performed in other sequences or concurrently. Secondly, those skilled in the art should also understand that the embodiments described in the specification are optional embodiments, and the actions and modules involved are not necessarily required by the present application.

In the embodiment, a resource requesting device is provided to implement the above-mentioned embodiments and optional embodiments. The descriptions of the modules involved in the device are described below. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated. FIG. 3 is a structural block diagram of a resource requesting apparatus according to an embodiment of the present invention. As shown in Figure 3, the device comprises:

The first receiving module 30 is configured to receive a call request for calling a multimedia resource of the second multimedia system sent by the first multimedia system in the heterogeneous multimedia system, where the heterogeneous multimedia system includes: Multimedia system, the above second multimedia system;

The transcoding module 32 is connected to the first receiving module 30, and is configured to rotate the multimedia resource according to the transcoding format required by the first multimedia system, triggered by the calling request. code;

The sending module 34 is connected to the transcoding module 32 and configured to send the transcoded multimedia resource to the first multimedia system.

Through the combined action of the above modules, the first multimedia system sends a call request to the second multimedia system, and then, under the trigger of the call request, the multimedia resource can be encoded according to the needs of the first multimedia system, and further The encoded multimedia resource is sent to the first multimedia system, which solves the problem that the heterogeneous multimedia system cannot be interoperable in the related technology, thereby realizing the mutual conversion of multimedia resources between multiple multimedia systems. Interoperability between heterogeneous multimedia systems is achieved.

Optionally, the transcoding module 32 is configured to transcode the multimedia resource according to the transcoding format required by the first multimedia system; or, according to the code stream feature of the first multimedia system, the multimedia resource. Transcode. The transcoding module 32 needs at least the following information to transcode the multimedia resource according to the code stream feature of the first multimedia system: resolution, frame rate, code rate, and algorithm used for encoding.

4 is a block diagram of another structure of a resource requesting apparatus according to an embodiment of the present invention. As shown in FIG. 4, the apparatus further includes: an obtaining module 36, connected to the first receiving module 30, configured to acquire the second multimedia. The multimedia resource information of the system; the generating module 38 is connected to the obtaining module 36, and configured to generate the calling request according to the multimedia resource information.

As shown in FIG. 4, in order to complete the function of the transcoding module 32, the transcoding module 32 includes: a decoding unit 320 configured to decode the multimedia resource; and a re-encoding unit 322 connected to the decoding unit 320, configured to follow the A transcoded format of a multimedia system re-encodes the decoded multimedia resource.

A terminal control device is also provided in the embodiment to implement the above-mentioned embodiments and optional embodiments. The descriptions of the modules involved in the device are described below. As used below, the term "module" may implement a combination of software and/or hardware of a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated. FIG. 5 is a structural block diagram of a terminal control apparatus according to an embodiment of the present invention. As shown in Figure 5, the device includes:

The second receiving module 50 is configured to receive the first multimedia system sent by the heterogeneous multimedia system. a first control signaling for controlling a terminal of the second multimedia system, where the heterogeneous multimedia system includes: the first multimedia system, the second multimedia system;

The matching module 52 is connected to the second receiving module 50 and configured to match the first control signaling with the second control signaling of the second multimedia system.

The sending module 54 is connected to the matching module 52 and configured to deliver the matched first control signaling to the terminal.

Through the combined action of the above modules, the first multimedia system sends control signaling to the second multimedia system, and the control signaling can be encoded according to the format required by the second multimedia system, and then the encoded control is performed. The signaling is sent to the terminal of the second multimedia system, and the problem that the heterogeneous multimedia systems cannot be interoperable between the related technologies is solved, thereby realizing the mutual conversion of control signaling between multiple multimedia systems. Interoperability between heterogeneous multimedia systems.

In an optional embodiment, the second receiving module 50 is configured to include: a video conference system in the second multimedia system, where the terminal includes: a video camera, where the first control signaling is used to control the camera according to the specified When the trajectory is rotated, the first control signaling is received.

FIG. 6 is a block diagram of another structure of a terminal control apparatus according to an embodiment of the present invention. As shown in FIG. 6, the matching module 52 includes: an obtaining unit 520, configured to acquire a signaling format of the second control signaling; and a matching unit 522. It is configured to match the signaling format of the first control signaling to the signaling format of the second control signaling one by one.

In order to better understand the above resource request process or terminal control process, the following describes an optional embodiment.

Referring to FIG. 7, the technical solution related to the optional embodiment of the present application is composed of the following four parts: a heterogeneous multimedia system (eg, video conference 60, video surveillance 62, IPTV 64, and other multimedia systems), and multimedia intelligent access. The bus 66, the heterogeneous multimedia intelligent conversion module 68, and the signaling conversion module 70. The implementation of the device for the above-mentioned heterogeneous multimedia intelligent identification and application of the optional embodiment of the present application involves the following key steps (see FIG. 7), but it should be noted that the steps of the embodiments of the present invention are not used to limit the order of the steps.

The first step: access to heterogeneous multimedia systems;

For heterogeneous multimedia systems with unified communications standards in the industry, they are connected according to standards, such as: conferences. According to H.323 or SIP, the monitoring platform can follow ONVIF, GB\T28181;

For non-standard, access according to custom requirements.

The second step: heterogeneous multimedia intelligent identification and application;

The heterogeneous multimedia systems that have accessed the device acquire each other's heterogeneous multimedia resource information;

A heterogeneous multimedia system (hereinafter referred to as a caller) that has accessed the device calls a multimedia resource of another heterogeneous multimedia system (hereinafter referred to as a callee) that has accessed the device as needed;

The device intelligently encodes the callee's multimedia resources according to the caller's request and then sends them to the caller.

The third step: terminal control of the heterogeneous multimedia system, such as: controlling the rotation of the video surveillance camera in the video conference;

A heterogeneous multimedia system that has access to the device controls terminals of other heterogeneous multimedia systems;

The device converts control signaling into a format recognizable by other heterogeneous multimedia systems and then forwards it to other heterogeneous multimedia systems;

The other heterogeneous multimedia system is sent to the control terminal under it according to the instructions issued by the device, and is controlled.

FIG. 8 is a flowchart of transcoding according to an alternative embodiment of the present application. As shown in FIG. 8, the process includes the following steps:

Step S802, receiving a multimedia call request, wherein, when receiving a multimedia stream of the plurality of multimedia systems by the plurality of multimedia systems of the consumer, the device distributes the request to the plurality of multimedia intelligent transcoding modules;

Step S804: The plurality of multimedia intelligent transcoding modules determine whether the call has a special transcoding requirement;

If yes, go to step S806, if not, go to step S810;

Step S806, parsing the transcoding requirements, such as resolution, frame rate, code rate, encoding algorithm, and the like.

Step S808, the multimedia intelligent transcoding module transcodes the target code stream according to requirements.

Step S810, the plurality of multimedia intelligent transcoding modules learn coding features of the two code streams.

Step S812, according to the result of the learning, the plurality of multimedia intelligent transcoding modules decode the target code stream, and then re-encode according to the caller's code stream feature. This completes the intelligent transcoding process.

Step S814, the plurality of multimedia intelligent transcoding modules output the code stream after the transcoding to the caller.

In summary, the embodiments of the present invention achieve the following technical effects: the problem that the interworking between the multimedia systems cannot be realized in the related art, and the mutual realization of multimedia resources and control signaling between multiple multimedia systems is realized. Conversion enables interworking between multiple multimedia systems.

In another embodiment, software is also provided for performing the technical solutions described in the above embodiments and alternative embodiments.

In another embodiment, a computer readable storage medium is provided, wherein the software includes, but is not limited to, an optical disk, a floppy disk, a hard disk, and an erasable Memory, etc.

It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or order. It is to be understood that the objects so used are interchangeable, where appropriate, so that the embodiments of the invention described herein can be carried out in a sequence other than those illustrated or described herein. In addition, the terms "comprises" and "comprising" and any variants thereof are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or device that comprises a series of steps or units is not necessarily limited to Those steps or units may include other steps or units not explicitly listed or inherent to such processes, methods, products or devices.

Those skilled in the art will appreciate that the above-described modules or steps of the present application can be implemented by a general-purpose computing device, which can be centralized on a single computing device or distributed over a network of multiple computing devices. They may be implemented by program code executable by the computing device such that they may be stored in the storage device for execution by the computing device and, in some cases, may be performed in a different order than that illustrated herein. Or the steps described, either separately as a single integrated circuit module, or as a single integrated circuit module. Thus, the application is not limited to any particular combination of hardware and software.

The above description is only an optional embodiment of the present application, and is not intended to limit the present application, and various changes and modifications may be made to the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this application shall be included in the protection of this application. Within the scope.

Industrial applicability

The embodiment of the present invention provides a resource request method and device, a terminal control method, and a device, which solve the problem that the heterogeneous multimedia systems cannot be interoperable in the related art, and thus implement multiple multimedia systems (heterogeneous multimedia systems). The mutual conversion of multimedia resources and control signaling can be realized, and the interworking between heterogeneous multimedia systems is realized.

Claims

A resource request method includes:

Receiving, by the first multimedia system in the heterogeneous multimedia system, a call request for invoking a multimedia resource of the second multimedia system, where the heterogeneous multimedia system includes: the first multimedia system, the Said second multimedia system;

Transmitting, by the calling request, the multimedia resource according to a transcoding format required by the first multimedia system;

Transmitting the transcoded multimedia resource to the first multimedia system.
The method of claim 1, wherein the transcoding the multimedia resource according to a transcoding format required by the first multimedia system comprises:

Transcoding the multimedia resource according to a transcoding format required by the first multimedia system; or

Transmitting the multimedia resource according to a code stream feature of the first multimedia system.
The method according to claim 2, wherein the information required to transcode the multimedia resource according to the code stream feature comprises: resolution, frame rate, code rate, and algorithm used for transcoding.
The method of claim 1, before the receiving the request, the method further comprising:

Obtaining multimedia resource information of the second multimedia system;

And generating the call request according to the multimedia resource information.
The method according to any one of claims 1 to 4, wherein the transcoding the multimedia resource according to a transcoding format required by the first multimedia system comprises:

Decoding the multimedia resource;

Recoding the decoded multimedia resource according to a transcoding format of the first multimedia system.
A terminal control method includes:

Receiving a second multimedia system sent by the first multimedia system in the heterogeneous multimedia system for controlling the second multimedia system The first control signaling of the unified terminal, wherein the heterogeneous multimedia system comprises: the first multimedia system, the second multimedia system;

Matching the first control signaling with the second control signaling of the second multimedia system;

The matched first control signaling is delivered to the terminal.
The method according to claim 6, wherein the second multimedia system comprises: a video conference system, the terminal comprises: a video conference camera, the first control signaling is used to control the video conference camera according to Specifies the track to rotate.
The method according to claim 6 or 7, wherein the matching the first control signaling with the second control signaling of the second multimedia system comprises:

Obtaining a signaling format of the second control signaling;

And the signaling format of the first control signaling is matched one by one into a signaling format of the second control signaling.
A resource requesting device includes:

a first receiving module, configured to receive a call request for calling a multimedia resource of the second multimedia system sent by the first multimedia system in the heterogeneous multimedia system, where the heterogeneous multimedia system includes: a multimedia system, the second multimedia system;

a transcoding module, configured to be connected to the first receiving module, configured to transcode the multimedia resource according to a transcoding format required by the first multimedia system, triggered by the calling request;

The sending module is connected to the transcoding module and configured to send the transcoded multimedia resource to the first multimedia system.
The apparatus according to claim 9, wherein the transcoding module is configured to transcode the multimedia resource according to a transcoding format required by the first multimedia system; or, according to the first plurality The code stream feature of the media system transcodes the multimedia resource.
The apparatus according to claim 10, wherein said transcoding module transcodes said multimedia resource according to a code stream feature of said first multimedia system, at least requires the following information: resolution, frame rate, code rate , the algorithm used for encoding.
The apparatus of claim 9 further comprising:

An acquiring module, configured to be connected to the first receiving module, configured to acquire multimedia resource information of the second multimedia system;

And generating, by the module, a connection module, configured to generate the call request according to the multimedia resource information.
The apparatus according to any one of claims 9 to 12, wherein the transcoding module comprises:

a decoding unit, configured to decode the multimedia resource;

And a re-encoding unit configured to re-encode the decoded multimedia resource according to a transcoding format of the first multimedia system.
A terminal control device includes:

a second receiving module, configured to receive first control signaling sent by the first multimedia system in the heterogeneous multimedia system for controlling a terminal of the second multimedia system, where the heterogeneous multimedia system includes: The first multimedia system, the second multimedia system;

a matching module, configured to match the first control signaling with the second control signaling of the second multimedia system;

The sending module is configured to deliver the matched first control signaling to the terminal.
The device according to claim 14, wherein the second receiving module is configured to include: a video conference system in the second multimedia system, the terminal comprises: a video conference camera, the first control signal The first control signaling is received when the video conference camera is controlled to rotate according to a specified trajectory.
The apparatus of claim 14 or 15, wherein the matching module comprises:

An acquiring unit, configured to acquire a signaling format of the second control signaling;

The matching unit is configured to match the signaling format of the first control signaling to the signaling format of the second control signaling one by one.