CN108076381B - Video display method, video forwarding equipment and system - Google Patents
Video display method, video forwarding equipment and system Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43632—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wired protocol, e.g. IEEE 1394
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Abstract
The embodiment of the invention discloses a video display method, video forwarding equipment and a system, and belongs to the technical field of networks. The method is applied to a video display system, the video display system comprises a video forwarding device, a video stream acquisition device and a user terminal, and the method comprises the following steps: the video forwarding equipment receives the real-time video stream sent by the video stream obtaining equipment, the video stream obtaining equipment is locally connected with the video forwarding equipment and is used for obtaining the real-time video stream, the video forwarding equipment forwards the real-time video stream to a user terminal which is connected to the same network with the video forwarding equipment according to a preset video forwarding mode so that the user terminal can display the real-time video stream, namely, when the video forwarding equipment receives the real-time video stream sent by the video stream obtaining equipment locally connected with the video forwarding equipment, the real-time video stream is immediately forwarded to the user terminal, and due to the fact that the transmission path of the real-time video stream is reduced, time delay of obtaining and displaying the real-time video stream by the user terminal is reduced.
Description
Technical Field
The embodiment of the invention relates to the technical field of wireless networks, in particular to a video display method, video forwarding equipment and a video forwarding system.
Background
With the rapid development of wireless network technology, the application scenes related to video display in life are increasing, such as video conferences, remote education and the like. Taking video conference as an example, video conference refers to two or more individuals or groups in different places, and audio, video or file data and the like are transmitted to each other through a transmission line and multimedia equipment, so as to realize real-time interaction. In actual application, in order to facilitate the user in the application scene to view, the videos involved in the application scene are generally required to be displayed.
However, in such application scenes, it is often difficult for users far away from the display to see the video displayed on the display because the field involved in the application scene is large and the display deployment for displaying the video is limited. Therefore, in the prior art, video display is usually realized in an on-demand manner, for example, taking a video conference application scenario as an example, during a video conference, a conference terminal records and stores a real-time video stream. When a user terminal sends a video acquisition request to the conference terminal, the conference terminal sends a stored video to the user terminal, and accordingly, the user terminal receives and displays the video.
However, in the video display method provided above, after the conference terminal records and stores the video, the user terminal can obtain the video from the conference terminal to display the video, so that the video displayed in the user terminal has a certain time delay.
Disclosure of Invention
In order to solve the problems in the prior art, embodiments of the present invention provide a video display method, a video forwarding device, and a system. The technical scheme is as follows:
in a first aspect, a video display method is provided, which is applied to a video display system, where the video display system includes a video forwarding device, a video stream obtaining device, and a user terminal, and the method includes:
the video forwarding equipment receives a real-time video stream sent by the video stream acquiring equipment, wherein the video stream acquiring equipment is locally connected with the video forwarding equipment and is used for acquiring the real-time video stream;
and the video forwarding equipment forwards the real-time video stream to the user terminal according to a preset video forwarding mode so as to enable the user terminal to display the real-time video stream, wherein the user terminal is a terminal which is accessed to the same network as the video forwarding equipment.
In the embodiment of the present invention, in order to reduce the transmission delay of the video stream acquiring device sending the real-time video stream to the video forwarding device, the video forwarding device is locally connected to the video stream acquiring device.
When the video forwarding device receives the real-time video stream sent by the video stream acquiring device, the real-time video stream is immediately forwarded to the user terminal accessing the same network as the video forwarding device according to the preset video forwarding mode, so that the time delay of acquiring and displaying the real-time video stream by the user terminal is reduced.
Optionally, the receiving, by the video forwarding device, the real-time video stream sent by the video stream obtaining device includes:
when the video forwarding equipment establishes connection with the video stream acquisition equipment through a physical signal line, receiving a real-time video stream sent by the video stream acquisition equipment through the physical signal line; or the like, or, alternatively,
when the video forwarding device establishes connection with the video stream acquisition device through a wired network or a wireless network, sending a video stream acquisition request to the video stream acquisition device through the wired network or the wireless network, wherein the video stream acquisition request is used for indicating the video stream acquisition device to send the real-time video stream; and the video forwarding equipment receives the real-time video stream sent by the video stream acquisition equipment through the wired network or the wireless network.
In the embodiment of the present invention, the video forwarding device may establish a connection with the video stream acquiring device through a physical signal line such as a High Definition Multimedia Interface (HDMI), and thus, after the video stream acquiring device acquires the real-time video stream, the real-time video stream may be directly sent to the video forwarding device through the physical signal line, which improves the transmission speed of the real-time video stream.
In addition, a connection may be established between the video stream acquisition device and the video stream acquisition device through a wired network or a Wireless network, where the Wireless network may be a network suitable for short-distance and high-rate transmission, such as Wireless Fidelity (Wi-Fi).
When the video forwarding device establishes a connection with the video stream acquiring device through a wired network or a wireless network, the video forwarding device needs to send a video stream acquiring request to the video stream acquiring device, so that the video stream acquiring device establishes a connection with the video forwarding device, and sends a real-time video stream to the video forwarding device through the wired network or the wireless network.
The video forwarding device can receive the real-time video stream sent by the video stream acquisition device in different modes according to different connection modes with the video stream acquisition device, so that the mode for acquiring the real-time video stream by the video forwarding device is increased.
Optionally, the forwarding, by the video forwarding device, the real-time video stream to the user terminal according to a preset video forwarding manner includes:
when the preset video forwarding mode is a broadcasting mode, the video forwarding equipment broadcasts the real-time video stream so as to send the real-time video stream to the user terminal; or the like, or, alternatively,
and when the preset video forwarding mode is a multicast mode, the video forwarding equipment acquires a user account in a stored login list and sends the real-time video stream to a user terminal where the acquired user account is located, wherein the login list is used for storing the user account successfully logged in the video forwarding equipment after authentication.
In the embodiment of the present invention, after the video forwarding device receives the real-time video stream sent by the video stream acquiring device, the real-time video stream is immediately broadcasted, so that the real-time video stream is forwarded to the user terminal accessing the same network as the video forwarding device. In addition, the video forwarding device may further limit the user terminal capable of acquiring the real-time video stream, that is, the video forwarding device only sends the real-time video stream to the user terminal that is authenticated and then can successfully log in the video forwarding device, that is, the user terminal that is not connected to the same network as the video forwarding device may receive the real-time video stream.
The real-time video stream can be sent to the user terminal which accesses the same network with the video forwarding device in a broadcasting mode, and the real-time video stream can be only sent to the user terminal which successfully logs in the video forwarding device in a multicast mode, so that the flexibility of forwarding the real-time video stream to the user terminal which accesses the same network with the video forwarding device is improved.
Optionally, before the video forwarding device obtains the user account in the stored login list, the method further includes:
the video forwarding equipment receives a login request sent by the user terminal, wherein the login request carries a user account and an account password;
the video forwarding equipment judges whether a user account carried in the login request is matched with an account password or not;
and if the user account carried in the login request is matched with the account password, the video forwarding equipment adds the user account carried in the login request to the login list.
In the embodiment of the present invention, before the video forwarding device forwards the real-time video stream, a user in an application scenario may log in the video forwarding device through a user terminal, and the video forwarding device may authenticate the user logged in the video forwarding device, that is, determine whether a user account matches a user password, if so, determine that the authentication is passed, and if not, determine that the authentication is not passed. When the authentication fails, the video forwarding device may send a login failure notification message to the user terminal, and if the user terminal wants to log in the video forwarding device again, it needs to send a login request to the video forwarding device again.
Before the video forwarding device acquires the user account in the stored login list, the user account can be authenticated by judging whether the user account is matched with the account password or not.
Optionally, before the video forwarding device broadcasts the real-time video stream, the method further includes:
the video forwarding equipment detects whether a user account successfully logging in the video forwarding equipment exists or not;
if the user account successfully logging in the video forwarding equipment does not exist, deleting the currently received real-time video stream by the video forwarding equipment;
and if the user account successfully logging in the video forwarding equipment exists, the video forwarding equipment executes the step of broadcasting the real-time video stream.
In the embodiment of the present invention, in a possible implementation manner, there may be no user terminal and the video forwarding device currently accessing to the same network, and in this case, if the video forwarding device broadcasts a real-time video stream, network resources will be wasted. Therefore, in the embodiment of the present invention, before broadcasting the real-time video stream, the video forwarding device may further determine whether a user terminal and the video forwarding device are connected to the same network.
When the video forwarding device detects that no user account successfully logs in the video forwarding device, the received real-time video stream is deleted, so that not only can network resources be saved, but also memory resources of the video forwarding device are saved.
In a second aspect, a video forwarding device is provided, which is applied in a video display system, where the video display system includes the video forwarding device, a video stream obtaining device, and a user terminal, and the video forwarding device includes:
the first receiving module is used for receiving a real-time video stream sent by the video stream acquiring device, wherein the video stream acquiring device is locally connected with the video forwarding device and is used for acquiring the real-time video stream;
and the forwarding module is used for forwarding the real-time video stream to the user terminal according to a preset video forwarding mode so as to enable the user terminal to display the real-time video stream, and the user terminal is a terminal which is accessed to the same network as the video forwarding equipment.
Optionally, the first receiving module is configured to:
when the video forwarding equipment establishes connection with the video stream acquisition equipment through a physical signal line, receiving a real-time video stream sent by the video stream acquisition equipment through the physical signal line; or the like, or, alternatively,
when the video forwarding device establishes connection with the video stream acquisition device through a wired network or a wireless network, sending a video stream acquisition request to the video stream acquisition device through the wired network or the wireless network, wherein the video stream acquisition request is used for indicating the video stream acquisition device to send the real-time video stream; and the video forwarding equipment receives the real-time video stream sent by the video stream acquisition equipment through the wired network or the wireless network.
Optionally, the forwarding module is configured to:
when the preset video forwarding mode is a broadcasting mode, broadcasting the real-time video stream to send the real-time video stream to the user terminal; or the like, or, alternatively,
and when the preset video forwarding mode is a multicast mode, acquiring a user account in a stored login list, and sending the real-time video stream to a user terminal where the acquired user account is located, wherein the login list is used for storing the user account successfully logged in the video forwarding equipment after authentication.
Optionally, the video forwarding apparatus further includes:
the second receiving module is used for receiving a login request sent by the user terminal, wherein the login request carries a user account and an account password;
the judging module is used for judging whether the user account carried in the login request is matched with the account password or not;
and the adding module is used for adding the user account carried in the login request into the login list when the user account carried in the login request is matched with the account password.
Optionally, the video forwarding apparatus further includes:
the detection module is used for detecting whether a user account successfully logging in the video forwarding equipment exists or not;
the deleting module is used for deleting the currently received real-time video stream when the user account successfully logging in the video forwarding equipment does not exist;
and the triggering module is used for triggering the forwarding module to execute the step of broadcasting the real-time video stream when the user account successfully logging in the video forwarding equipment exists.
In a third aspect, a video conference system is provided, which includes: the system comprises video stream acquisition equipment, video forwarding equipment, a display and a user terminal, wherein the video stream acquisition equipment is locally connected with the video forwarding equipment, the video stream acquisition equipment is connected with the display, and the video forwarding equipment and the user terminal are accessed to the same network, wherein the video stream acquisition equipment is camera equipment;
the video stream acquiring device is used for acquiring a real-time video stream and sending the real-time video stream to the video forwarding device and the display;
the display is used for receiving and displaying the real-time video stream;
the video forwarding device is used for receiving the real-time video stream and forwarding the real-time video stream to the user terminal according to a preset video forwarding mode;
and the user terminal is used for receiving and displaying the real-time video stream forwarded by the video forwarding equipment.
Optionally, the video forwarding device is configured to perform the video display method according to the first aspect.
In a fourth aspect, there is provided a home relay system, comprising: the system comprises video stream acquisition equipment, video forwarding equipment and a user terminal, wherein the video stream acquisition equipment is locally connected with the video forwarding equipment, and the video forwarding equipment and the user terminal are accessed to the same network, wherein the video stream acquisition equipment is video source equipment;
the video stream acquiring device is used for acquiring a real-time video stream and sending the real-time video stream to the video forwarding device;
the video forwarding device is used for receiving the real-time video stream and forwarding the real-time video stream to the user terminal according to a preset video forwarding mode;
and the user terminal is used for receiving and displaying the real-time video stream forwarded by the video forwarding equipment.
Optionally, the video forwarding device is configured to perform the video display method according to the first aspect.
In a fifth aspect, a video forwarding apparatus is provided, which includes: the video display system comprises a transmitter, a receiver, a memory and a processor, wherein the memory, the transmitter and the receiver are respectively connected with the processor, the memory stores program codes, and the processor is used for calling the program codes and executing the video display method of the first aspect.
In a sixth aspect, a computer storage medium is provided for storing computer software instructions for use by the video forwarding device or for storing a program designed for the video forwarding device according to the second aspect.
In a seventh aspect, an embodiment of the present invention further provides a communication chip, where the communication chip is applied in a video forwarding device, and the communication chip includes: the video display system comprises an input/output interface, a memory and at least one processor, wherein the memory and the input/output interface are communicated with the at least one processor through a bus, the memory stores program codes, and the at least one processor is used for calling the program codes so that the video forwarding device executes the video display method of the first aspect.
The technical effects obtained by the second aspect to the fifth aspect of the embodiments of the present invention are similar to the technical effects obtained by the corresponding technical means in the first aspect, and are not described herein again.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: the video forwarding device receives the real-time video stream sent by the video stream acquisition device locally connected with the video forwarding device, and then the video forwarding device immediately forwards the real-time video stream to the user terminal accessing the same network with the video forwarding device so that the user terminal can display the real-time video stream.
Drawings
FIG. 1A is a schematic diagram of a video display system shown in accordance with an exemplary embodiment;
fig. 1B is a schematic diagram illustrating a structure of a video forwarding device 110 according to an example embodiment;
fig. 1C is a schematic diagram illustrating a structure of a video forwarding device 110 according to another exemplary embodiment;
FIG. 2A is a flow chart illustrating a method of video display according to an exemplary embodiment;
FIG. 2B is a block diagram illustrating a video conferencing system in accordance with one illustrative embodiment;
fig. 2C is a schematic structural diagram illustrating a home relay system according to an exemplary embodiment;
fig. 3A is a schematic diagram illustrating the structure of a video forwarding device according to an exemplary embodiment;
fig. 3B is a schematic diagram illustrating a structure of a video forwarding device according to another exemplary embodiment;
fig. 3C is a schematic diagram illustrating a structure of a video forwarding device according to another exemplary embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1A is a schematic diagram illustrating a video display system according to an exemplary embodiment, which mainly includes, but is not limited to, a video forwarding device 110, a video stream acquisition device 120, and a user terminal 130. The video forwarding device 110 is locally connected to the video stream acquiring device 120, the user terminal 130 may establish a connection with the video forwarding device 110 through a wired network or a wireless network, and the user terminal 130 is a terminal accessing the same network as the video forwarding device 110.
It should be noted that, in practical implementation, the video display system may include only one user terminal 130, and also include a plurality of user terminals 130, and only one user terminal 130 is exemplarily shown in fig. 1A.
The video stream acquiring device 120 is mainly configured to acquire a real-time video stream, and in addition, may be further configured to send the acquired real-time video stream to the video forwarding device 110. The video stream acquisition device 120 may be a device such as a computer, tablet, or the like.
The video forwarding device 110 is mainly configured to receive the real-time video stream sent by the video stream acquiring device 120, and forward the real-time video stream according to a preset video forwarding manner. In addition, the video forwarding device 110 may also be used to configure user data and user login manner, set video capture manner, set video forwarding manner, configure real-time video stream, and so on. The configuration of user data and a user login mode refers to setting whether anonymous login is allowed and/or login can be performed after authentication is needed, the setting of a video acquisition mode refers to setting of acquisition frequency and the like for receiving a real-time video stream, the setting of a video forwarding mode refers to forwarding the received real-time video stream in a broadcast mode or a multicast mode, and the configuration of the real-time video stream refers to processing such as analog/digital conversion on the real-time video stream. In addition, the video forwarding device 110 may also authenticate a user account logged in the video forwarding device 110 according to an authentication mode configured in advance by the system. In a possible implementation manner, the video forwarding device 110 may be a server, or the video forwarding device 110 may also be a server cluster composed of multiple servers.
Wherein the user terminal 130 can be used to receive and display the real-time video stream forwarded by the video forwarding device 110, and the user terminal 130 can be a device such as a mobile phone, a computer, a tablet computer, etc.
Fig. 1B is a schematic structural diagram illustrating a video forwarding device 110 according to an exemplary embodiment, where the video forwarding device 110 mainly includes: a video receiving module 101, a video forwarding module 102, a system management module 103 and a user login module 104.
The video forwarding device 110 may receive the real-time video stream sent by the video stream acquiring device 120 through the video receiving module 101, forward the real-time video stream to the user terminal 130 through the video forwarding module 102, configure user data and a user login manner, set a video acquisition manner, set a video forwarding manner, configure the real-time video stream through the system management module 103, and authenticate a user account logged in the video forwarding device 110 according to an authentication manner configured in advance by the system through the user login module 104.
Fig. 1C is a schematic structural diagram of a video forwarding device 110 according to another exemplary embodiment, where the video forwarding device 110 mainly includes a transmitter 1101, a receiver 1102, a memory 1103, a processor 1104, and a communication bus 1105. Those skilled in the art will appreciate that the structure of the video forwarding device 110 shown in fig. 1C does not constitute a limitation to the video forwarding device 110, and may include more or less components than those shown, or combine some components, or arrange different components, which is not limited by the embodiments of the present invention.
The transmitter 1101 may be configured to send data and/or signaling and the like to the video stream acquiring device 120 and the user terminal 130, and is equivalent to the video forwarding module 102. The receiver 1102 may be configured to receive data and/or signaling and the like sent by the video stream acquiring device 120 and the user terminal 130, and is equivalent to the video receiving module 101. The memory 1103 may be configured to store data sent by the video stream acquiring device 120 and the user terminal 130, and the memory 1103 may also be configured to store one or more running programs and/or modules for executing the video display method.
The processor 1104 is a control center of the video forwarding apparatus 110, and corresponds to the system management module 103. The processor 1104 may be a general purpose Central Processing Unit (CPU), a microprocessor, an Application-Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to control the execution of programs according to the present invention. The processor 1104 may implement the video display method provided in the embodiment of fig. 2A below by running or executing software programs and/or modules stored in the memory 1103 and calling data stored in the memory 1103.
The communication bus 1105 may include a path that communicates information between the processor 1104 and the memory 1103.
Fig. 2A is a flowchart illustrating a video display method according to an exemplary embodiment, which is exemplified by applying the video display method to the video display system, and the video display method may include the following steps:
step 201: and the video forwarding equipment receives the real-time video stream sent by the video stream acquiring equipment, wherein the video stream acquiring equipment is locally connected with the video forwarding equipment and is used for acquiring the real-time video stream.
In the embodiment of the present invention, the video stream acquiring device receives a real-time video stream sent by a remote communication terminal, and then the video stream acquiring device sends the real-time video stream to the video forwarding device, so that the video forwarding device further forwards and processes the real-time video stream.
It should be noted that, in the embodiment of the present invention, in order to reduce transmission delay of the video stream acquiring device sending the real-time video stream to the video forwarding device, the video forwarding device is locally connected to the video stream acquiring device. According to different local connection modes between the video forwarding device and the video stream acquiring device, the receiving, by the video forwarding device, of the real-time video stream sent by the video stream acquiring device may include the following possible implementation modes:
the first mode is as follows: when the video forwarding device establishes connection with the video stream acquisition device through a physical signal line, the real-time video stream sent by the video stream acquisition device is received through the physical signal line.
In this implementation manner, the video forwarding device may establish a connection with the video stream acquiring device through a physical signal line such as a High Definition Multimedia Interface (HDMI), and thus, after the video stream acquiring device acquires the real-time video stream, the real-time video stream may be directly sent to the video forwarding device through the physical signal line, which improves the transmission speed of the real-time video stream.
It should be noted that, when the video forwarding device receives the real-time video stream sent by the video stream obtaining device through the physical signal line, the received real-time video stream may be an analog signal, and at this time, the video forwarding device needs to process the analog signal, that is, perform analog-to-digital conversion on the analog signal to obtain a digital signal, so as to forward the digital signal subsequently.
The second mode is as follows: when the video forwarding device establishes connection with the video stream acquisition device through a wired network or a wireless network, sending a video stream acquisition request to the video stream acquisition device through the wired network or the wireless network, wherein the video stream acquisition request is used for indicating the video stream acquisition device to send the real-time video stream; and the video forwarding equipment receives the real-time video stream sent by the video stream acquisition equipment through the wired network or the wireless network.
Unlike the first method, in this implementation, a connection may be established between the video stream acquiring device and the wired network or the Wireless network, where the wired network is a network established by a network cable, and the Wireless network may be a network suitable for short-distance and high-rate transmission, such as Wireless Fidelity (Wi-Fi). In addition, the mask used by the wired network and the mask used by the wireless network are the same, so as to ensure the local connection between the video forwarding device and the video stream acquiring device.
When the video forwarding device establishes a connection with the video stream acquiring device through a wired network or a wireless network, the video forwarding device needs to send a video stream acquiring request to the video stream acquiring device, so that the video stream acquiring device establishes a connection with the video forwarding device, and sends a real-time video stream to the video forwarding device through the wired network or the wireless network.
In a possible implementation manner, in the process of establishing a connection between the video forwarding device and the video stream acquiring device, the video stream acquiring device may also verify the video forwarding device.
That is, the video forwarding device sends a video stream acquisition request to the video stream acquisition device, where the video stream acquisition request may also carry information to be verified, and after receiving the video stream acquisition request, the video stream acquisition device extracts the information to be verified from the video stream acquisition request and authenticates the information to be verified according to a preset authentication manner, and when the authentication is passed, the video stream acquisition device and the video forwarding device establish connection, and in this case, the video forwarding device may acquire a real-time video stream from the video stream acquisition device. Otherwise, if the authentication fails, the video stream acquiring device refuses to establish connection with the video forwarding device, and under the condition, the video forwarding device cannot acquire the real-time video stream from the video stream acquiring device.
The information to be verified may include, but is not limited to, a number, an account number, and the like. For example, if the information to be verified is a number, the preset authentication mode is as follows: and judging whether the number is a preset number, when the number is the preset number, determining that the verification is passed, and when the number is not the preset number, determining that the verification is failed.
The preset number may be set by a user according to actual needs in a self-defined manner, or may be set by the video stream acquisition device in a default manner, which is not limited in the embodiment of the present invention.
According to different local connection modes, the video forwarding device receives the real-time video stream sent by the video stream obtaining device in different modes, so that the mode that the video forwarding device obtains the real-time video stream is increased.
Step 202: the video forwarding device forwards the real-time video stream to a user terminal according to a preset video forwarding mode, wherein the user terminal is a terminal which is accessed to the same network as the video forwarding device.
After receiving the real-time video stream sent by the video stream acquisition device, the video forwarding device needs to forward the real-time video stream to a user terminal accessing the same network as the video forwarding device. The preset video forwarding mode may be preset in the video forwarding device, and the forwarding of the real-time video stream to the user terminal based on the preset video forwarding mode may include several possible following implementation manners according to the different preset video forwarding modes:
the first mode is as follows: and when the preset video forwarding mode is a broadcasting mode, the video forwarding equipment broadcasts the real-time video stream so as to send the real-time video stream to the user terminal.
That is, in this implementation manner, after the video forwarding device receives the real-time video stream sent by the video stream acquiring device, the real-time video stream is immediately broadcast, so that the real-time video stream is forwarded to the user terminal accessing the same network as the video forwarding device.
In addition, in a possible implementation manner, there is a possibility that no user terminal and the video forwarding device are currently connected to the same network, and in this case, if the video forwarding device broadcasts a real-time video stream, network resources will be wasted. Therefore, in the embodiment of the present invention, before broadcasting the real-time video stream, the video forwarding device may further determine whether a user terminal and the video forwarding device are connected to the same network.
That is, before the video forwarding device broadcasts the real-time video stream, the video forwarding device detects whether there is a user account that successfully logs in the video forwarding device, if there is no user account that successfully logs in the video forwarding device, the video forwarding device deletes the currently received real-time video stream, and if there is a user account that successfully logs in the video forwarding device, the video forwarding device broadcasts the real-time video stream.
If the video forwarding device does not detect that a user account logs in the video forwarding device, it may be considered that no user terminal and the video forwarding device access the same network currently, in this case, in order to save network resources, after the video forwarding device receives a real-time video stream sent by a video stream acquisition device, the video forwarding device does not broadcast the real-time video stream, but deletes the real-time video stream, until the video forwarding device detects that a user account successfully logs in the video forwarding device, the video forwarding device does not start broadcasting the real-time video stream. Therefore, when no user account is detected to successfully log in the video forwarding device, the received real-time video stream is deleted, so that not only can network resources be saved, but also memory resources of the video forwarding device are saved.
As described above, in the embodiment of the present invention, the video forwarding device may set a user login manner, for example, the video forwarding device may be set to allow anonymous login, or may be set to log in after authentication is required, so that the user account for detecting whether the user account successfully logs in the video forwarding device may be an anonymous user account, or may be a user account after authentication.
The second mode is as follows: when the preset video forwarding mode is a multicast mode, the video forwarding device acquires a user account in a stored login list and sends the real-time video stream to a user terminal where the acquired user account is located, wherein the login list is used for storing the user account successfully logged in the video forwarding device after authentication.
Different from the first implementation manner, in this implementation manner, the video forwarding device restricts the user terminal that can acquire the real-time video stream, that is, the video forwarding device only sends the real-time video stream to the user terminal that can successfully log in the video forwarding device after authentication, that is, the user terminal that is not connected to the same network as the video forwarding device can receive the real-time video stream.
That is, in this implementation manner, the user account that successfully logs in to the video forwarding device is the authenticated user account, that is, before the video forwarding device acquires the user account in the stored login list, the video forwarding device authenticates the user account that logs in to the video forwarding device.
Specifically, the video forwarding device receives a login request sent by a user terminal, wherein the login request carries a user account and an account password; the video forwarding equipment judges whether the user account carried in the login request is matched with the account password or not; and if the user account carried in the login request is matched with the account password, the video forwarding equipment adds the user account carried in the login request to the login list.
That is, before the video forwarding device forwards the real-time video stream, a user in an application scene may log in to the video forwarding device through a user terminal, and the video forwarding device may authenticate the user logged in to the video forwarding device, that is, determine whether a user account matches a user password, if so, determine that the authentication is passed, and if not, determine that the authentication is not passed. When the authentication fails, the video forwarding device may send a login failure notification message to the user terminal, and if the user terminal wants to log in the video forwarding device again, it needs to send a login request to the video forwarding device again.
It should be noted that, before sending a login request to the video forwarding device, the user terminal may perform account registration in the video forwarding device, that is, the user terminal may send an account registration request to the video forwarding device and fill in registration information, where the registration information includes a user account and an account password, and accordingly, the video forwarding device may store the registration information, so as to authenticate the user account according to the registration information subsequently.
Step 203: and the user terminal receives and displays the real-time video stream forwarded by the video forwarding device.
And after the video forwarding equipment sends the real-time video stream to the user terminal, the user terminal receives the real-time video stream and displays the real-time video stream.
In a possible implementation manner, the user terminal may receive and display the real-time video stream through a designated application, and the designated application may be an application designated by the video forwarding device and used for displaying the real-time video stream.
That is, in a possible implementation manner, after the user terminal successfully logs in to the video forwarding device through the user account, the user terminal may send a specified application acquisition request to the video forwarding device, when the video forwarding device receives the specified application acquisition request, a specified application download address is provided for the user terminal, and after receiving the specified application download address, the user terminal downloads the specified application from the specified application download address and installs the specified application.
And when the user terminal receives the video receiving instruction, the user terminal starts to receive the real-time video stream forwarded by the video forwarding equipment, and then the user terminal can play and display the real-time video stream through the specified application.
The video receiving instruction may be triggered by a user, and the user may trigger through a specified operation, where the specified operation may be a click operation, a sliding operation, and the like, which is not limited in this embodiment of the present invention.
It is understood that, in an actual implementation process, the user terminal does not need to send a request for obtaining the specified application to the video forwarding device after successfully logging in the video forwarding device each time, that is, after the user terminal installs the specified application, the user terminal can subsequently directly log in the video forwarding device through the specified application, and receive and display the real-time video stream through the specified application.
In addition, it should be noted that the above is only described by taking an example of displaying the real-time video stream through a specific application, and in another embodiment, the real-time video stream may also be displayed through an application such as a browser, which is not limited in this embodiment of the present invention.
In the embodiment of the invention, the video forwarding device receives the real-time video stream sent by the video stream acquisition device locally connected with the video forwarding device, and then the video forwarding device immediately forwards the real-time video stream to the user terminal which is accessed to the same network with the video forwarding device so that the user terminal can display the real-time video stream.
In addition, the video display method provided by the embodiment of the invention can be applied to various application scenes, and the system applied by the video display method is different according to different application scenes. For example, fig. 2B is a schematic diagram illustrating a structure of a video conference system according to an exemplary embodiment, the video conference system including: a video stream acquisition device 210, a video forwarding device 220, a display 230, and a user terminal 240.
The video stream acquiring device 210 is locally connected to the video forwarding device 220, the video stream acquiring device 210 is connected to the display 230, the video forwarding device 220 and the user terminal 240 access the same network, wherein the video stream acquiring device 210 is a camera device.
The video stream acquiring device 210 acquires a real-time video stream and sends the real-time video stream to the video forwarding device 220 and the display 230, the display 230 receives and displays the real-time video stream, the video forwarding device 220 receives the real-time video stream and forwards the real-time video stream to the user terminal 240 according to a preset video forwarding mode, and accordingly, the user terminal 240 receives and displays the real-time video stream forwarded by the video forwarding device 220.
That is, after the video stream acquiring device 210 acquires the real-time video stream, on one hand, the real-time video stream may be sent to the video forwarding device 220, and on the other hand, the real-time video stream may also be sent to the display 230, and the display 230 displays the real-time video stream.
The specific implementation process referred to herein may refer to the corresponding implementation process in the embodiment of fig. 2A, and details are not repeated here.
In addition, the video conference system may further include a Multipoint Control Unit (MCU) 250, and the MCU 250 may be connected to the video stream acquiring device 210.
The MCU 250 can simultaneously implement a multi-channel video conference, that is, the MCU 250 can simultaneously receive real-time video streams sent by a plurality of remote communication terminals, and the video stream acquiring device 210 can acquire the real-time video streams from the MCU 250. In a possible implementation manner, a user may set the MCU 250 through a key operation to control the MCU 250 to select one real-time video stream from real-time video streams transmitted by multiple remote communication terminals for output, so that the video stream acquiring device 210 can acquire the selected real-time video stream from the MCU 250. Since the video stream acquiring device 210 is an image capturing device, in a possible implementation manner, the image capturing device may further capture a video conference site by capturing to obtain a captured video, and use the captured video as the real-time video stream.
In addition, similar to the system provided in fig. 2B, in another possible implementation manner, the video display method may be applied to a distance education system, in which case the video stream acquiring device 210 may be a device for receiving a real-time video stream transmitted from a distance education terminal, and the user terminal 240 may be a terminal used by a student participating in distance education. The video stream capturing apparatus 210 may also be connected to a display used in a remote education application scenario, so that the trainee can receive not only remote education through the display but also remote education through a terminal used by the trainee.
In the embodiment of the invention, the video forwarding device receives the real-time video stream sent by the video stream acquisition device locally connected with the video forwarding device, and then the video forwarding device immediately forwards the real-time video stream to the user terminal which is accessed to the same network with the video forwarding device so that the user terminal can display the real-time video stream.
Referring to fig. 2C, fig. 2C is a schematic structural diagram of a home broadcasting system according to an exemplary embodiment. The home relay system includes: the system comprises a video stream acquisition device 211, a video forwarding device 212 and a user terminal 213, wherein the video stream acquisition device 211 is locally connected with the video forwarding device 212, the video forwarding device 212 and the user terminal 213 access the same network, and the video stream acquisition device 211 is a video source device.
The video stream acquiring device 211 acquires a real-time video stream and sends the real-time video stream to the video forwarding device 212, the video forwarding device 212 receives the real-time video stream and forwards the real-time video stream to the user terminal 213 according to a preset video forwarding mode, and the user terminal receives and displays the real-time video stream forwarded by the video forwarding device.
Similarly, the specific implementation process involved here may also refer to the corresponding implementation process in the embodiment of fig. 2A, and details are not repeated here.
In one possible implementation, the Video source device may be a device such as a set-top box, a television or a DVD (Digital Video disc) player, and the user terminal 213 may be a terminal used by a family member. In a similar way, the video source equipment can also be connected with the display, so that the family members can watch the video played in real time through the display and can watch the video played in real time through the terminal used by the family members.
In the embodiment of the invention, the video forwarding device receives the real-time video stream sent by the video stream acquisition device locally connected with the video forwarding device, and then the video forwarding device immediately forwards the real-time video stream to the user terminal which is accessed to the same network with the video forwarding device so that the user terminal can display the real-time video stream.
It should be noted that, in the embodiment of the present invention, the video display method is only described as an example when being applied to the above system, and in another embodiment, the video display method may also be applied to other systems or application scenarios, for example, the video display method may also be applied to live broadcast application scenarios such as a live broadcast of a ball game, a concert, and the like, which is not limited in the embodiment of the present invention.
Fig. 3A is a schematic diagram illustrating the structure of a video forwarding device according to an exemplary embodiment, where the video forwarding device may be implemented by software, hardware, or a combination of the two. The video forwarding apparatus may include: a first receiving module 310 and a forwarding module 320.
The first receiving module 310 is configured to execute step 201 in the embodiment of fig. 2A, and in addition, the first receiving module 310 is equivalent to the video receiving module 101 in fig. 1B.
The forwarding module 320 is configured to execute step 202 in the embodiment of fig. 2A, and in addition, the forwarding module is equivalent to the video forwarding module 102 in fig. 1B.
Optionally, the forwarding module 320 is configured to perform the first manner and the second manner of step 202 in the embodiment of fig. 2A.
Optionally, the video forwarding apparatus further includes: a second receiving module 330, a determining module 332, and an adding module 340. The second receiving module 330, the determining module 332, and the adding module 340 are all equivalent to the user login module 104 in fig. 1B.
The second receiving module 330 is configured to receive a login request sent by a user terminal, where the login request carries a user account and an account password;
the determining module 332 is configured to determine whether the user account carried in the login request matches the account password;
the adding module 340 is configured to add the user account carried in the login request to the login list when the user account carried in the login request matches the account password.
Optionally, the video forwarding apparatus further includes: a detection module 350, a deletion module 360, and a trigger module 370. The detecting module 350, the deleting module 360 and the triggering module 370 are all equivalent to the system management module 103 in fig. 1B.
The detecting module 350 is configured to detect whether a user account successfully logging in the video forwarding device exists;
the deleting module 360 is configured to delete the currently received real-time video stream when the user account successfully logged in the video forwarding device does not exist;
the triggering module 370 is configured to trigger the forwarding module 320 to perform step 202 in the embodiment of fig. 2A when there is a user account that successfully logs in the video forwarding device.
In the embodiment of the invention, the video forwarding device receives the real-time video stream sent by the video stream acquisition device locally connected with the video forwarding device, and then the video forwarding device immediately forwards the real-time video stream to the user terminal which is accessed to the same network with the video forwarding device so that the user terminal can display the real-time video stream.
It should be noted that: in the video forwarding device provided in the foregoing embodiment, when implementing the video display method, only the division of the functional modules is illustrated, and in practical application, the function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules, so as to complete all or part of the functions described above. In addition, the video forwarding device and the video display method provided by the above embodiments belong to the same concept, and specific implementation processes thereof are described in detail in the method embodiments and are not described herein again.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description should not be taken as limiting the embodiments of the invention, and any modifications, equivalents, improvements and the like which are within the spirit and principle of the embodiments of the invention should be included in the scope of the embodiments of the invention.
Claims (8)
1. A video display method is applied to a video display system, wherein the video display system comprises a video forwarding device, a video stream acquiring device and a user terminal, and the method comprises the following steps:
the video stream acquisition equipment is used for acquiring a real-time video stream from a multipoint control unit in a video conference system or taking a video shot by the video stream acquisition equipment as the real-time video stream, or is used for receiving the real-time video stream sent from a remote education terminal;
the video forwarding equipment receives a real-time video stream sent by the video stream acquiring equipment, wherein the video stream acquiring equipment is locally connected with the video forwarding equipment;
the video forwarding device immediately forwards the real-time video stream to a user terminal which is accessed to the same network as the video forwarding device, and the method comprises the following steps:
when the preset video forwarding mode is a broadcasting mode, the video forwarding equipment detects whether a user account successfully logging in the video forwarding equipment exists, and if the user account successfully logging in the video forwarding equipment does not exist, the video forwarding equipment deletes the currently received real-time video stream; if the user account successfully logging in the video forwarding equipment exists, the video forwarding equipment broadcasts the real-time video stream to send the real-time video stream to the user terminal which is accessed to the same network as the video forwarding equipment, so that the user terminal which is accessed to the same network as the video forwarding equipment displays the real-time video stream; or the like, or, alternatively,
when the preset video forwarding mode is a multicast mode, the video forwarding device acquires a user account which is accessed to the same network by a user terminal and the video forwarding device and exists in a stored login list, and sends the real-time video stream to the user terminal where the acquired user account is located, so that the user terminal where the acquired user account is located displays the real-time video stream, and the login list is used for storing the user account which successfully logs in the video forwarding device after authentication.
2. The method of claim 1, wherein before the video forwarding device obtains the user account in the stored login list, the method further comprises:
the video forwarding equipment receives a login request sent by the user terminal, wherein the login request carries a user account and an account password;
the video forwarding equipment judges whether a user account carried in the login request is matched with an account password or not;
and if the user account carried in the login request is matched with the account password, the video forwarding equipment adds the user account carried in the login request to the login list.
3. A video forwarding device is applied to a video display system, wherein the video display system comprises the video forwarding device, a video stream obtaining device and a user terminal, and the video forwarding device comprises:
the first receiving module is used for receiving a real-time video stream sent by the video stream acquiring equipment, the video stream acquiring equipment is locally connected with the video forwarding equipment, and the video stream acquiring equipment is used for acquiring the real-time video stream from a multipoint control unit in a video conference system or taking a video shot by the video stream acquiring equipment as the real-time video stream, or is used for receiving the real-time video stream sent by a remote education terminal;
a forwarding module, configured to immediately forward the real-time video stream to a user terminal accessing to a same network as the video forwarding device, where the forwarding module includes:
when the preset video forwarding mode is a broadcasting mode, the video forwarding equipment detects whether a user account successfully logging in the video forwarding equipment exists, and if the user account successfully logging in the video forwarding equipment does not exist, the video forwarding equipment deletes the currently received real-time video stream; if the user account successfully logging in the video forwarding equipment exists, broadcasting the real-time video stream to send the real-time video stream to the user terminal which is accessed to the same network as the video forwarding equipment so that the user terminal which is accessed to the same network as the video forwarding equipment displays the real-time video stream; or the like, or, alternatively,
when the preset video forwarding mode is a multicast mode, the video forwarding device acquires a user account which is accessed to the same network by a user terminal and the video forwarding device and exists in a stored login list, and sends the real-time video stream to the user terminal where the acquired user account is located, so that the user terminal where the acquired user account is located displays the real-time video stream, and the login list is used for storing the user account which successfully logs in the video forwarding device after authentication.
4. The video forwarding device of claim 3 wherein the video forwarding device further comprises:
the second receiving module is used for receiving a login request sent by the user terminal, wherein the login request carries a user account and an account password;
the judging module is used for judging whether the user account carried in the login request is matched with the account password or not;
and the adding module is used for adding the user account carried in the login request into the login list when the user account carried in the login request is matched with the account password.
5. A video conferencing system, the video conferencing system comprising: the system comprises video stream acquisition equipment, video forwarding equipment, a display and a user terminal, wherein the video stream acquisition equipment is locally connected with the video forwarding equipment, the video stream acquisition equipment is connected with the display, and the video forwarding equipment and the user terminal are accessed to the same network, wherein the video stream acquisition equipment is camera equipment;
the video stream acquiring device is used for acquiring a real-time video stream from a multipoint control unit in a video conference system or taking a video shot by the video stream acquiring device as the real-time video stream, or is used for receiving the real-time video stream sent from a remote education terminal and sending the real-time video stream to the video forwarding device and the display;
the display is used for receiving and displaying the real-time video stream;
the video forwarding device is configured to receive the real-time video stream and immediately forward the real-time video stream to a user terminal that is in the same network as the video forwarding device, where the immediately forwarding the real-time video stream to the user terminal that is in the same network as the video forwarding device includes: when the preset video forwarding mode is a broadcasting mode, detecting whether a user account successfully logging in the video forwarding equipment exists, and if the user account successfully logging in the video forwarding equipment does not exist, deleting the currently received real-time video stream; if the user account successfully logging in the video forwarding equipment exists, broadcasting the real-time video stream to send the real-time video stream to the user terminal which is accessed to the same network as the video forwarding equipment; or, when the preset video forwarding mode is a multicast mode, acquiring a user account which is accessed to the same network by a user terminal and the video forwarding equipment and exists in a stored login list, and sending the real-time video stream to the user terminal where the acquired user account is located, wherein the login list is used for storing the user account which successfully logs in the video forwarding equipment after authentication;
and the user terminal is used for receiving and displaying the real-time video stream forwarded by the video forwarding equipment.
6. The video conferencing system of claim 5, wherein the video forwarding device is further configured to:
receiving a login request sent by the user terminal, wherein the login request carries a user account and an account password;
judging whether the user account carried in the login request is matched with the account password;
and if the user account carried in the login request is matched with the account password, adding the user account carried in the login request into the login list.
7. A home relay system, characterized in that it comprises: the system comprises video stream acquisition equipment, video forwarding equipment and a user terminal, wherein the video stream acquisition equipment is locally connected with the video forwarding equipment, and the video forwarding equipment and the user terminal are accessed to the same network, wherein the video stream acquisition equipment is video source equipment;
the video stream acquisition equipment is used for acquiring a real-time video stream from a multipoint control unit in a video conference system or taking a video shot by the video stream acquisition equipment as the real-time video stream, or is used for receiving the real-time video stream sent from a remote education terminal and sending the real-time video stream to the video forwarding equipment;
the video forwarding device is configured to receive the real-time video stream and immediately forward the real-time video stream to a user terminal that is in the same network as the video forwarding device, where the immediately forwarding the real-time video stream to the user terminal that is in the same network as the video forwarding device includes: when the preset video forwarding mode is a broadcasting mode, detecting whether a user account successfully logging in the video forwarding equipment exists, and if the user account successfully logging in the video forwarding equipment does not exist, deleting the currently received real-time video stream; if the user account successfully logging in the video forwarding equipment exists, broadcasting the real-time video stream to send the real-time video stream to the user terminal which is accessed to the same network as the video forwarding equipment; or, when the preset video forwarding mode is a multicast mode, acquiring a user account which is accessed to the same network by a user terminal and the video forwarding equipment and exists in a stored login list, and sending the real-time video stream to the user terminal where the acquired user account is located, wherein the login list is used for storing the user account which successfully logs in the video forwarding equipment after authentication;
and the user terminal is used for receiving and displaying the real-time video stream forwarded by the video forwarding equipment.
8. The home relay system of claim 7, wherein said video relay device is further configured to:
receiving a login request sent by the user terminal, wherein the login request carries a user account and an account password;
judging whether the user account carried in the login request is matched with the account password;
and if the user account carried in the login request is matched with the account password, adding the user account carried in the login request into the login list.
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| CN111726561B (en) * | 2020-06-17 | 2022-07-08 | 千脉文化传媒(上海)有限公司 | Conference method, system, equipment and storage medium for different terminals and same account |
| CN112911201A (en) * | 2021-02-20 | 2021-06-04 | 随锐科技集团股份有限公司 | Multimedia conference method and system |
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