WO2015196590A1

WO2015196590A1 - Method and apparatus for playing desktop cloud video

Info

Publication number: WO2015196590A1
Application number: PCT/CN2014/086762
Authority: WO
Inventors: 彭继平
Original assignee: 中兴通讯股份有限公司
Priority date: 2014-06-23
Filing date: 2014-09-17
Publication date: 2015-12-30
Also published as: CN105282624A

Abstract

The present invention provides a method and apparatus for playing a desktop cloud video. The playing method comprises: initiating access to a video to be played through a first channel, the first channel supporting a desktop cloud protocol; and reading the video to be played through a second channel and playing the video, the second channel being a channel specially used for transmitting video files. By means of the technical solution provided in the present invention, the problem that videos with higher definition cannot be played in a desktop cloud environment and many computing resources of a virtual machine and a physical server as well as large network bandwidth are consumed when videos are played in a virtual desktop is solved, computing resources can be effectively saved, network bandwidth consumption can be effectively reduced, and multimedia experience of a user in a virtual desktop can be improved.

Description

Desktop cloud video playing processing method and device

Technical field

The present invention relates to the field of communications, and more particularly to a method and apparatus for playing and playing desktop cloud video.

Background technique

The desktop cloud solution is gradually accepted by various enterprises and deployed in large quantities. The daily office and multimedia entertainment of the enterprise gradually move into the desktop cloud environment. At the same time, with the development of computer hardware, network transmission bandwidth and other technologies, 720P and 1080P high-definition video are rapidly popularized, and 2K and higher-definition video are gradually appearing.

High-definition, high-rate video consumes a large amount of computing resources on a virtual desktop during normal virtual desktop playback. As a result, the number of simultaneous video playback on each server is limited. Even high-definition video with high bit rate cannot be played smoothly, affecting users in virtual desktops. The multimedia experience. Larger network bandwidth resources are also required. Affecting the user's multimedia experience limits the scope of virtual desktop applications.

In the related art, there are two technical solutions for video playback:

In-band video playback technology: The most basic video playback technology, when users play video, use the similar desktop playback mode to use the computing power of the virtual desktop to decode the original video, and compress the decoded audio and video through the access protocol and then through the desktop. The cloud access protocol transmission channel is transmitted to the terminal, and then the decoding capability of the terminal hardware is used to restore data compressed by the desktop cloud access protocol and transmitted to the terminal. This technology requires video decoding, protocol encoding, and protocol decoding to play video. It consumes a lot of computing resources and bandwidth of virtual desktops, and can only play videos within 720P.

Media redirection video playback technology: Relatively advanced video playback technology, when a user plays a video using a specific player, a specific player reads and analyzes the video stream in the video source and transmits it to the terminal through the desktop cloud access protocol. After receiving the video stream, the terminal performs decoding and playback. The technology requires a specific player to perform video source analysis, which occupies more computing resources of the virtual desktop, and the transmitted video stream occupies a large bandwidth, and can only play about 720P video.

The existing desktop cloud in-band video playback technology and media redirection technology can only play 720P video in the desktop cloud environment, and the higher-definition video cannot be played, and the virtual virtual machine is consumed when playing the video in the virtual desktop. The computing resources of the physical server and the network bandwidth.

In view of the related art, the problem that the higher-definition video cannot be played in the desktop cloud environment and the computing resources and the network bandwidth of the virtual server and the physical server are consumed when playing the video in the virtual desktop, an effective solution has not been proposed yet.

Summary of the invention

The invention provides a method and a device for playing and playing desktop cloud video, so as to at least solve the above problems.

According to an embodiment of the present invention, a method for processing a desktop cloud video is provided, including: initiating access to the to-be-played video through a first channel, the first channel supporting a desktop cloud protocol; The virtual desktop reads and plays the video to be played, wherein the second channel is a channel dedicated to transmitting a video file.

Preferably, before the terminal initiates access to the to-be-played video by using the first channel, the method includes: receiving an access address from the virtual desktop by using the first channel, where the access address is used to indicate an address of a video to be played; The access address reads the to-be-played video and plays it.

Preferably, when receiving the access address from the virtual desktop, the method includes: receiving an access token of the to-be-played video, the access token uniquely identifying each operation of the to-be-played video.

Preferably, reading the to-be-played video from the virtual desktop through the second channel according to the access address, comprising: reading the to-be-played video according to the access address and the access token.

Preferably, the access token is generated by generating the access token according to at least one of the following: a terminal identifier of the terminal, account information of the virtual desktop, and specified information of the video file to be played. .

Preferably, the terminal identifier includes at least one of the following: an IP address of the terminal, a media access control MAC address of the terminal, and/or the specified information includes: video source information of the video to be played, The playing progress information of the to-be-played video, and the operation information of the to-be-played video during the playing process.

Preferably, the effective time of the access token is determined according to the length of time of the video.

According to another embodiment of the present invention, a playback processing apparatus for a desktop cloud video is provided, including: an initiating module, configured to initiate access to the to-be-played video through a first channel, where the first channel supports a desktop cloud a protocol; the reading module is configured to read and play the to-be-played video through the second channel, where the second channel is a channel dedicated to transmitting a video file.

Preferably, the device further includes: a receiving module, configured to receive an access address from the virtual desktop through the first channel, wherein the access address is used to indicate an address of a video to be played; and the reading module further sets The video to be played is read and played according to the access address.

Preferably, the receiving module is further configured to receive an access token of the to-be-played video, the access token uniquely identifying each operation of the to-be-played video.

Through the invention, the technical solution that the video is accessed through the first channel and the requested video is read through the second channel solves the problem that the higher-definition video cannot be played in the desktop cloud environment and the video is played in the virtual desktop. The problem of computing resources and network bandwidth of the larger virtual machine and the physical server can effectively save computing resources, reduce network bandwidth consumption, and improve the multimedia experience of the user in the virtual desktop.

DRAWINGS

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

1 is a structural diagram of a desktop cloud system in related art;

2 is a flowchart of a method for playing a desktop cloud video according to an embodiment of the present invention;

3 is a system architecture diagram of a playback process of a desktop cloud video according to an embodiment of the present invention;

4 is a flowchart of a method for playing a desktop cloud video according to a preferred embodiment of the present invention;

FIG. 5 is a structural block diagram of a cloud video playback processing apparatus according to an embodiment of the present invention; FIG.

FIG. 6 is a block diagram showing still another structure of a cloud video playback processing apparatus according to an embodiment of the present invention.

detailed description

The invention 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.

In order to better understand the following embodiments and the technical solutions of the preferred embodiments, the meanings of the terms in the embodiments are explained below, but they are not limited to the embodiments of the present invention.

Cloud computing: A new network-based resource utilization method that allows users to perform on-demand computing based on heterogeneous and autonomous services on the network. Cloud computing resources are dynamically scalable and virtualized, providing services through the network. .

Desktop Cloud: A cloud-based desktop solution that can access desktops or applications through thin clients or other devices connected to the network. An individual desktop based on a desktop cloud solution is called a virtual desktop.

Desktop Cloud Access Protocol: The Desktop Cloud Access Protocol is used to access virtual desktops deployed on cloud computing servers from remote computers (such as desktops and thin client devices), similar to other applications used for remote desktop access protocols, such as Protocols such as Remote Desktop Protocol (RDP) and Virtual Network Computer (VNC).

FIG. 1 is a schematic diagram of a desktop cloud system architecture in the related art. As shown in FIG. 1 , a server group carried by multiple servers carries a desktop cloud system. Each virtual desktop has its own independent operating system and computing, network, storage and other resources. The user accesses the virtual desktop by using the terminal, and transmits a control signal such as a keyboard and a mouse through the desktop cloud protocol channel between the virtual desktop and the terminal, and transmits the calculation result of the virtual desktop to the terminal.

When playing in-band video playback technology, the virtual desktop decodes the original video, compresses it through the desktop cloud access protocol, and transmits it to the terminal through the desktop cloud protocol channel, and the terminal decodes the data encoded and transmitted via the protocol. When the media redirects the video playback technology to play, the player reads and analyzes the video stream in the video source and transmits the video stream to the terminal through the desktop cloud protocol channel. After receiving the video stream, the terminal decodes and presents the video stream to the user.

An embodiment of the present invention provides a method for playing a desktop cloud video. FIG. 2 is a flowchart of a method for playing a cloud desktop video according to an embodiment of the present invention. As shown in FIG. 2, the method includes the following steps:

Step S202: Initiating access to the video to be played through the first channel, where the first channel supports the desktop cloud protocol;

Step S204: The video to be played is read and played through the second channel, wherein the second channel is a channel dedicated to transmitting the video file.

Through the above steps, the technical solution that the video is accessed through the first channel and the requested video is read through the second channel solves the problem that the higher-definition video cannot be played in the desktop cloud environment and the video is played in the virtual desktop. The problem of computing resources and network bandwidth of the larger virtual machine and the physical server can effectively save computing resources, reduce network bandwidth consumption, and improve the multimedia experience of the user in the virtual desktop.

3 is a system architecture diagram of a playback process of a desktop cloud video according to an embodiment of the present invention. To better understand the foregoing technical solution, the foregoing technical solution is illustrated in conjunction with FIG. 3: outside the desktop cloud protocol channel (out-of-band ) Increase the video file transmission channel dedicated to video files, which is independent of the desktop cloud protocol channel. Used to transfer video files. The terminal needs to read the video source from the virtual desktop according to the video playback and play it locally on the terminal.

Optionally, before the step S202, that is, the terminal initiates the access to the video to be played through the first channel, the access address from the virtual desktop is also received through the first channel, where the access address is used to indicate the address of the video to be played. ; Read the video to be played and play according to the access address.

In the embodiment of the present invention, when receiving the access address from the virtual desktop, the access token of the video to be played may also be received, and the access token uniquely identifies each operation of the video to be played. In a specific implementation process, the access address is The access token can be sent to the terminal by the virtual desktop through dedicated message signaling, or can be implemented by carrying other information about the access address and the access token in the other signaling during the interaction between the terminal and the virtual desktop.

In step S204, the video to be played is read from the virtual desktop through the second channel according to the access address, which may be represented by the following implementation process, but is not limited thereto: the video to be played is read according to the access address and the access token, in the embodiment of the present invention. In an optional embodiment, the access token is generated by generating an access token according to at least one of the following: a terminal identifier of the terminal, account information of the virtual desktop, and specified information of the video file to be played, generated by using the foregoing information. The access token is accessed, and only the terminal holding the valid access token can access the video, which effectively ensures that the illegal terminal acquires the video phenomenon.

A further improvement of the foregoing technical solution in the embodiment of the present invention is that the terminal identifier includes at least one of the following: an IP address of the terminal, a media access control MAC address of the terminal, and/or the specified information includes: video source information of the video to be played, The playback progress information of the video to be played, the operation information of the video to be played during playback; the effective time of the access token is determined according to the length of the video.

The foregoing technical solution is described in a preferred example, but the foregoing embodiment of the present invention is not limited. FIG. 4 is a flowchart of a method for playing a desktop cloud video according to a preferred embodiment of the present invention, as shown in FIG. 4:

S402: Playing a video

The user opens a local video source or a network video source in the virtual desktop to start video playback.

S404: Start the video playback service

The video playback service program constantly monitors the action of the user playing the video.

When the video playing service program detects that the user starts playing the video, the video playing service program starts the playing service for the video, and prepares for the token and the video source access.

S406: Generate a video source access token

The video playing service program generates the video source access token according to the current terminal IP address, the terminal MAC address, the account information of the login desktop cloud, the played video source information, the playing time point, and the like, and the token is generated for each virtual desktop. Each playback operation of a video source is unique and cannot be forged. The timeliness of the token is limited according to the length of the video source, and the token expires after the set time limit is exceeded. After the token expires, if the user still needs to play the video, the terminal player requests a new token based on the history token. The token is automatically invalidated after the video source has finished playing.

The generated access token is controlled by the video playback service program and stored in the virtual desktop.

When the terminal player accesses the video source to be played, it needs to provide a valid token corresponding to the video source. If the token is invalid, the access to the video source is prohibited, and the information such as the video source in the virtual desktop of the user is secured to prevent unauthorized access. The terminal player can then apply for a new token based on the history token.

S408: Shared video source

The video playback service program can share video sources through network file sharing protocols such as HTTP, FTP, NetBIOS, and multimedia protocols such as RTP, RSVP, and RTSP. The administrator can set the type of protocol supported by the video source sharing according to the network port open condition and the video source format. The specific protocol is negotiated and agreed by the terminal video player and the virtual desktop video playback service.

The video playback service program generates a network access URL address for the video source.

The video playback service program enables access control of the video source, and the terminal player with the legally valid token can access normally or cannot access the shared video source.

S410: transmitting video source information and access token

The encrypted access token and the video source URL address are transmitted to the terminal via the desktop access protocol.

S412: Start the terminal video player to play the video

After receiving the video source URL and the access token, the terminal starts the terminal player to access the video source URL, and transmits the access token as a parameter to the video playing service program in the virtual desktop.

The terminal video player reads the video source from the virtual desktop and plays it according to the user's playback progress requirements and fast forward, backward, and the like.

When the user pauses playing for a long time during playback or other operations cause the current token to expire, the terminal player applies for a new access token to the video playback service program in the virtual desktop according to the historical token and continues to play.

After the video source is played, the terminal player notifies the video playback service program in the virtual desktop to cancel the access token of the current video source and end the video file sharing.

In general, the above preferred embodiment solves the network and computing performance bottleneck when the desktop cloud plays high-definition video (for example, 1080P full HD and 2K): playing video in the existing desktop cloud environment consumes a large amount of computing resources of the virtual desktop, resulting in each The number of videos played simultaneously on the server is limited. Even high-definition video with high bit rate cannot be played smoothly. A new video playback technology is provided. The original file of the video is shared to the current user's terminal through network sharing. The network video is played back to give the user a better multimedia experience, and the number of videos played simultaneously on each server can be more than that of a normal desktop cloud.

In the embodiment, a playback device for the desktop cloud video is provided, which is used to implement the above-mentioned embodiments and preferred 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 cloud video playback processing apparatus according to an embodiment of the present invention. As shown in Figure 5, the device includes:

The initiating module 50 is configured to initiate access to the video to be played through the first channel, where the first channel supports the desktop cloud protocol;

The reading module 52 is connected to the initiating module 50, and is configured to read and play the video to be played through the second channel, wherein the second channel is a channel dedicated to transmitting the video file.

FIG. 6 is a block diagram of still another structure of a cloud video playback processing apparatus according to an embodiment of the present invention. As shown in FIG. 6, the apparatus further includes: a receiving module 54 connected to the reading module 52 and configured to receive through the first channel. An access address from the virtual desktop, wherein the access address is used to indicate an address of a video to be played; and the reading module 52 is further configured to read the video to be played and play according to the access address.

Optionally, the receiving module 54 is further configured to receive an access token of the video to be played, the access token uniquely identifying each operation of the video to be played.

Through the comprehensive function of each of the above modules, the technical solution that the video is accessed through the first channel and the requested video is read through the second channel solves the problem that the higher-definition video cannot be played in the desktop cloud environment and in the virtual desktop. Consumption of large virtual machines and physical server computing resources and network bandwidth when playing video The problem can effectively save computing resources, reduce network bandwidth consumption, and improve the multimedia experience of users in the virtual desktop.

The method and device for playing desktop cloud video provided by the foregoing embodiment of the present invention have no video decoding, protocol encoding, and protocol decoding process of in-band video playback, and the process of reading and analyzing the video source without media redirection. Virtual desktops only need to transmit video sources and are responsible for the security work related to this. This greatly reduces the consumption of virtual desktop computing resources, and increases the number of simultaneous virtual video playback on a server, while saving network bandwidth.

In summary, the embodiments of the present invention achieve the following beneficial effects: solving the problem that the higher-definition video cannot be played in the desktop cloud environment, and the computing resources and the network bandwidth of the virtual server and the physical server are consumed when playing the video in the virtual desktop. The problem can effectively save computing resources, reduce network bandwidth consumption, and improve the multimedia experience of users in the virtual desktop.

Moreover, there is no video decoding, protocol encoding, and protocol decoding process for in-band video playback, and there is no media redirection to read and analyze the video source process. Virtual desktops only need to transmit video sources and are responsible for the security work related to this. This greatly reduces the consumption of virtual desktop computing resources, and increases the number of simultaneous virtual video playback on a server, while saving network bandwidth.

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

In another embodiment, a storage medium is further provided, wherein the software includes the above-mentioned software, including but not limited to: an optical disk, a floppy disk, a hard disk, an erasable memory, and the like.

It will be apparent to those skilled in the art that the various modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein. The steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.

The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Industrial applicability

According to the foregoing solution provided by the embodiment of the present invention, the technical solution that the video is accessed through the first channel and the requested video is read through the second channel solves the problem that the higher-definition video cannot be played in the desktop cloud environment and is in the virtual The problem of consuming large virtual machine and physical server computing resources and network bandwidth when playing video on the desktop can effectively save computing resources, reduce network bandwidth consumption, and improve the multimedia experience of users in the virtual desktop.

Claims

A method for playing and processing desktop cloud video, comprising:

Initiating access to the to-be-played video by using a first channel, where the first channel supports a desktop cloud protocol;

The to-be-played video is read and played from the virtual desktop through the second channel, wherein the second channel is a channel dedicated to transmitting the video file.
The method according to claim 1, wherein before the terminal initiates access to the to-be-played video through the first channel, the method includes:

Receiving, by the first channel, an access address from a virtual desktop, where the access address is used to indicate an address of a video to be played;

Reading the to-be-played video and playing according to the access address.
The method of claim 2, wherein when receiving an access address from the virtual desktop, the method comprises:

Receiving an access token of the to-be-played video, the access token uniquely identifying each operation of the to-be-played video.
The method of claim 2, wherein reading the to-be-played video from the virtual desktop through the second channel according to the access address comprises:

Reading the to-be-played video according to the access address and the access token.
The method of claim 4 wherein the access token is generated in the following manner:

The access token is generated according to at least one of the following: a terminal identifier of the terminal, account information of the virtual desktop, and specified information of the video file to be played.
The method according to claim 5, wherein the terminal identifier comprises at least one of: an IP address of the terminal, a media access control MAC address of the terminal; and/or the specifying information includes: Video source information of the to-be-played video, playback progress information of the to-be-played video, and operation information of the to-be-played video during playback.
A method according to any of claims 3-6, wherein the validity time of the access token is determined according to the length of time of the video.
A playback device for desktop cloud video, comprising:

An initiating module is configured to initiate access to the to-be-played video by using a first channel, where the first channel supports a desktop cloud protocol;

The reading module is configured to read and play the to-be-played video through the second channel, where the second channel is a channel dedicated to transmitting a video file.
The device according to claim 8, wherein

The device further includes: a receiving module, configured to receive an access address from the virtual desktop through the first channel, where the access address is used to indicate an address of a video to be played;

The reading module is further configured to read the to-be-played video and play according to the access address.
The apparatus according to claim 9, wherein the receiving module is further configured to receive an access token of the to-be-played video, the access token uniquely identifying each operation of the to-be-played video.