CN113727152A - Method, device and storage medium for adjusting code rate - Google Patents
Method, device and storage medium for adjusting code rate Download PDFInfo
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- CN113727152A CN113727152A CN202110996466.1A CN202110996466A CN113727152A CN 113727152 A CN113727152 A CN 113727152A CN 202110996466 A CN202110996466 A CN 202110996466A CN 113727152 A CN113727152 A CN 113727152A
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
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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
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4781—Games
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/637—Control signals issued by the client directed to the server or network components
- H04N21/6377—Control signals issued by the client directed to the server or network components directed to server
- H04N21/6379—Control signals issued by the client directed to the server or network components directed to server directed to encoder, e.g. for requesting a lower encoding rate
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8166—Monomedia components thereof involving executable data, e.g. software
- H04N21/8173—End-user applications, e.g. Web browser, game
Abstract
The embodiment of the application provides a method, a device and a storage medium for adjusting code rate, wherein the method for adjusting the code rate comprises the following steps: transmitting a target video of a target game and a resource package of the target game to the terminal equipment based on a cloud game micro-terminal of the target game installed on the terminal equipment, wherein the target video comprises a game interface in the running process of the target game; acquiring transmission time delay of a target video and a resource packet in at least two time periods, wherein the transmission time delay is used for indicating the transmission time of one unit of data from a transmitting end to a receiving end; judging whether the transmission delay of the current time period is greater than the transmission delay of the previous time period; and adjusting at least one of the downloading code rate of the resource package and the video code rate of the target video according to the judgment result. The download code rate is adjusted in real time, so that the smoothness of the target video is ensured, network resources are fully utilized, and the time for transmitting the resource packet is reduced.
Description
Technical Field
The embodiment of the application relates to the technical field of electronic information, in particular to a method and a device for adjusting code rate and a storage medium.
Background
With the development of electronic information technology, users can implement various functions through different Application software by installing Applications (APPs) on electronic devices. For example, the application software may include game software, chat software, photo software, work software, etc., and the resource package of the application software is usually downloaded before installation. However, generally, the resource package of the application software with complete functions is also large, and the downloading needs to take much time. In order to reduce the waiting time of the user, the interface image of the application software can be sent to the terminal equipment in a video stream mode while the resource package is downloaded, so that the user can directly use the application software in the process of downloading the resource package, and the application software can be installed in a background after the resource package is downloaded, thereby reducing the waiting time of the user and improving the user experience. However, in the process of downloading the resource package, if the resource package is downloaded too fast, the transmission of the video stream is affected, resulting in pause, and if the resource package is downloaded too slow, the downloading time is prolonged.
Disclosure of Invention
In view of the above, embodiments of the present application provide a method, an apparatus, and a storage medium for adjusting a code rate to at least partially solve the above problem.
According to a first aspect of an embodiment of the present application, a method for adjusting a code rate is provided, including: transmitting a target video of a target game and a resource package of the target game to the terminal equipment based on a cloud game micro-terminal of the target game installed on the terminal equipment, wherein the target video comprises a game interface in the running process of the target game; acquiring transmission time delay of a target video and a resource packet in at least two time periods, wherein the transmission time delay is used for indicating the transmission time of one unit of data from a transmitting end to a receiving end; judging whether the transmission delay of the current time period is greater than the transmission delay of the previous time period; and adjusting at least one of the downloading code rate of the resource package and the video code rate of the target video according to the judgment result.
According to a second aspect of the embodiments of the present application, there is provided an apparatus for adjusting a code rate, including: the transmission module is used for transmitting a target video of a target game and a resource package of the target game to the terminal equipment based on a cloud game micro-terminal of the target game installed on the terminal equipment, wherein the target video comprises a game interface in the running process of the target game; the time delay module is used for acquiring the transmission time delay of the target video and the resource packet in at least two time periods, and the transmission time delay is used for indicating the transmission time of one unit of data from the transmitting end to the receiving end; the judging module is used for judging whether the transmission delay of the current time period is greater than the transmission delay of the previous time period; and the adjusting module is used for adjusting at least one of the downloading code rate of the resource package and the video code rate of the target video according to the judgment result.
According to a third aspect of embodiments of the present application, there is provided an electronic apparatus, including: the processor, the memory and the communication interface complete mutual communication through the communication bus; the memory is used for storing at least one executable instruction, and the executable instruction causes the processor to execute the operation corresponding to the method for adjusting the code rate according to the first aspect.
According to a fourth aspect of embodiments of the present application, there is provided a storage medium having a computer program stored thereon, where the computer program is executed by a processor to implement the method for adjusting a code rate according to the first aspect.
The method, the device and the storage medium for adjusting the code rate provided by the embodiment of the application transmit a target video of a target game and a resource package of the target game to a terminal device based on a cloud game micro-terminal of the target game installed on the terminal device, wherein the target video comprises a game interface in the running process of the target game; acquiring transmission time delay of a target video and a resource packet in at least two time periods, wherein the transmission time delay is used for indicating the transmission time of one unit of data from a transmitting end to a receiving end; judging whether the transmission delay of the current time period is greater than the transmission delay of the previous time period; and adjusting at least one of the downloading code rate of the resource package and the video code rate of the target video according to the judgment result. The download code rate is adjusted in real time according to the transmission delay of the current time period and the transmission delay of the previous time period, so that the transmission of the resource packet is avoided from being influenced, the network resources are fully utilized as far as possible, and the time for transmitting the resource packet is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present application, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a scene schematic diagram of a method for adjusting a code rate according to an embodiment of the present application;
fig. 2 is a flowchart of a method for adjusting a code rate according to an embodiment of the present disclosure;
fig. 3 is a scene schematic diagram of a method for adjusting a code rate according to a second embodiment of the present application;
fig. 4 is a flowchart of a method for adjusting a code rate according to a second embodiment of the present application;
fig. 5 is a structural diagram of an apparatus for adjusting a code rate according to a third embodiment of the present application;
fig. 6 is a structural diagram of an electronic device according to a fourth embodiment of the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application shall fall within the scope of the protection of the embodiments in the present application.
The following further describes specific implementations of embodiments of the present application with reference to the drawings of the embodiments of the present application.
Example one
For convenience of understanding, an application scenario of the method for adjusting a code rate provided in the first embodiment of the present application is described, and fig. 1 is a schematic view of a scenario of the method for adjusting a code rate provided in the first embodiment of the present application. Fig. 1 shows a cloud game server 101, an object storage server 102, and a terminal device 103.
The cloud game server 101 is used for running a target game and sending a target video formed by a game interface in the running process to the terminal device 103; the object storage server 102 is used for sending a resource package of a target game to the terminal equipment; the cloud game micro-terminal is installed on the terminal device 103, when a user plays a game by using the cloud game micro-terminal installed on the terminal device 103, the user does not need to run the game on the terminal device 103, a target video is obtained by performing data interaction with the cloud game server 101, meanwhile, the terminal device 103 downloads a resource package of the target game from the object storage server 102, and the terminal device 103 can run the target game after the resource package is downloaded.
It should be noted that, in fig. 1, the cloud game server 101 and the object storage server 102 are shown separately as two servers, which may also be integrated on one device, and fig. 1 is only for facilitating understanding of two functions of playing a game and downloading a resource package by using a cloud game backend, and is not intended to limit the present application.
With reference to the scenario shown in fig. 1, it should be noted that fig. 1 is only an application scenario of the method for adjusting a code rate provided in the first embodiment of the present application, and does not represent that the method for adjusting a code rate is necessarily applied to the scenario shown in fig. 1, and may be specifically applied to an electronic device, where the electronic device may be a device independent of the cloud game server 101 and the object storage server 102, or a device including the cloud game server 101 and the object storage server 102, and as shown in fig. 2, fig. 2 is a flowchart of the method for adjusting a code rate provided in the first embodiment of the present application, where the method includes the following steps:
The target game may be any game, and the target game is taken as an example in the present application, which does not represent that the present application is limited thereto. The cloud game micro-terminal is a micro-client installed on the terminal equipment and used for establishing connection with the electronic equipment, the electronic equipment can be a server of a target game, and the cloud game micro-terminal does not contain various resources required by game running. The terminal device downloads the resource package of the target game through the cloud game micro-terminal, can also transmit an operation instruction (the operation instruction is used for indicating operation in the target game) to the electronic device, and can also receive a target video sent by the electronic device through the cloud game micro-terminal.
It should be noted that the target video includes a game interface in the running process of the target game, optionally, the target video may include a real-time game interface of the target game, and the user may view various changes in the running process of the target game by viewing the target video, including changes caused by the user's own operation, changes caused by other user's operations, changes caused by the running of the target game itself, and the like. In the game process of a user, the terminal device detects user operation and transmits an operation instruction to the electronic device through the cloud game micro-terminal, the electronic device transmits a target video to the terminal device in real time, and the electronic device transmits a resource package of a target game to the terminal device, so that the user can directly play the game without waiting in the process of downloading the resource package.
The transmission delay is used to indicate the transmission time of one unit of data from the transmitting end to the receiving end. It should be noted that, alternatively, the transmission delay of each time period may be an average time of data transmission in the time period. The time length of each of the at least two time periods may be the same or different, and if the time length of each time period is the same, that is, the transmission delay of the target video and the resource packet is periodically obtained, for example, obtaining the transmission delay may include: the transmission delay is obtained at a preset time interval, and the preset time may be set by itself, for example, the preset time may be 50ms, 100ms, or 1 s. Optionally, the transmission delay may indicate the transmission time of one unit of data in the target video from the sending end to the receiving end, and when the code rate is subsequently adjusted, the target video can be ensured to be smoothly transmitted; and/or, the transmission delay may indicate a transmission time of one unit of data in the resource packet from the transmitting end to the receiving end.
Because the transmission delay is obtained, the transmission delay of each time segment (except the first time segment) can be compared with the transmission delay of the previous time segment, so as to determine the change condition of the transmission delay, if the transmission delay of the current time segment is greater than the transmission delay of the previous time segment, the transmission delay is longer, the network condition is likely to be worse, and the code rate can be reduced; if the transmission delay of the current time period is smaller than that of the previous time period, the transmission delay is shortened, the network condition becomes better, the code rate can be increased, and the transmission speed is improved. Therefore, the code rate can be adjusted in real time, and the method adapts to the change of the network condition.
And 204, adjusting at least one of the downloading code rate of the resource package and the video code rate of the target video according to the judgment result.
In conjunction with the scenario shown in fig. 1, the electronic device may send an adjustment instruction to the cloud game server 101 to adjust the video bitrate of the target video; an adjustment instruction can also be sent to the object storage server 102 to adjust the download code rate of the resource package; alternatively, the electronic device may send an adjustment instruction to the terminal device 103 to adjust at least one of the download bitrate of the resource package and the video bitrate of the target video. Of course, it is only an exemplary illustration here, if the electronic device includes the cloud game server 101 and the object storage server 102, the electronic device may directly adjust at least one of the download bitrate of the resource package and the video bitrate of the target video.
It should be noted that there are two types of determination results, the first result is that the transmission delay of the current time period is greater than the transmission delay of the previous time period, and the second result is that the transmission delay of the current time period is less than the transmission delay of the previous time period. Optionally, adjusting at least one of the download code rate of the resource package and the video code rate of the target video according to the determination result includes: if the transmission delay of the current time period is longer than that of the previous time period, reducing the downloading code rate of the resource package on the basis of ensuring that the downloading code rate of the resource package is greater than or equal to the minimum downloading code rate; and if the transmission delay of the current time period is less than the transmission delay of the previous time period, increasing the downloading code rate of the resource package on the basis of ensuring that the downloading code rate of the resource package is less than or equal to the maximum downloading code rate. Here, two examples are listed to illustrate these two cases, respectively. It should be further noted that, if the transmission delay of the current time period is equal to the transmission delay of the previous time period, the operation may be performed according to the first result or the second result.
Optionally, in the first example, if the transmission delay of the current time period is greater than the transmission delay of the previous time period, the download code rate of the resource package is reduced on the basis of ensuring that the download code rate of the resource package is greater than or equal to the minimum download code rate.
On the basis of ensuring that the downloading code rate of the resource package is greater than or equal to the minimum downloading code rate, the downloading code rate is adjusted, so that the phenomenon that the transmission rate of the downloading speed is influenced due to the fact that the downloading code rate is too small can be avoided. It should be noted that the minimum download code rate may be preset, and in a special case, the minimum download code rate may be 0, and if the download code rate is equal to 0, it indicates that the transmission resource packet is suspended.
Optionally, in a specific implementation manner, the video bitrate of the target video may also be adjusted, for example, if the transmission delay of the current time period is greater than the transmission delay of the previous time period, the download bitrate of the resource package is reduced on the basis that it is ensured that the download bitrate of the resource package is greater than or equal to the minimum download bitrate, including: if the transmission delay of the current time period is greater than the transmission delay of the previous time period, judging whether the transmission delay of the current time period is greater than a preset delay; and if the transmission delay of the current time period is greater than the preset delay, reducing the downloading code rate of the resource packet and reducing the video code rate of the target video. It should be noted that the preset delay may represent a preset transmission delay.
Based on the first example, further, in a specific example, the method further includes: if the transmission delay of the current time period is less than or equal to the preset delay, judging whether the downloading code rate of the resource package is greater than the minimum downloading code rate; if the downloading code rate of the resource package is larger than the minimum downloading code rate, reducing the downloading code rate of the resource package; and if the downloading code rate of the resource package is equal to the minimum downloading code rate, reducing the video code rate of the target video.
Based on the first example of the step, if the transmission delay of the current time period is greater than the preset delay, which indicates that the transmission delay is greater than the preset delay in the increasing trend, the download bitrate and the video bitrate can be reduced, so that the smoothness of the target video is ensured; if the transmission delay of the current time period is less than or equal to the preset delay, the transmission delay is still lower than the preset delay under the increasing trend, only the downloading code rate can be reduced, and the video code rate is not changed; if the downloading code rate is the minimum downloading code rate, the video code rate can be reduced, and the trend of increasing the transmission delay is restrained.
Optionally, in a second example, if the transmission delay of the current time period is smaller than the transmission delay of the previous time period, the download code rate of the resource package is increased on the basis of ensuring that the download code rate of the resource package is smaller than or equal to the maximum download code rate.
On the basis of ensuring that the downloading code rate of the resource package is less than or equal to the maximum downloading code rate, the downloading code rate is adjusted, so that the situation that the downloading code rate is too large to influence the smoothness of the target video can be avoided. It should be noted that the maximum download code rate can be preset.
Optionally, in a specific implementation manner, if the transmission delay of the current time period is smaller than the transmission delay of the previous time period, increasing the download code rate of the resource package on the basis of ensuring that the download code rate of the resource package is smaller than or equal to the maximum download code rate includes: if the transmission delay of the current time period is smaller than the transmission delay of the previous time period, judging whether the transmission delay of the current time period is larger than the preset delay; and if the transmission delay of the current time period is less than or equal to the preset delay, increasing the downloading code rate of the resource packet and increasing the video code rate of the target video.
Based on the second example, further, in a specific example, the method further includes: if the transmission delay of the current time period is greater than the preset delay, judging whether the downloading code rate of the resource package is less than the maximum downloading code rate; if the downloading code rate of the resource package is smaller than the maximum downloading code rate, the downloading code rate of the resource package is increased; and if the downloading code rate of the resource package is equal to the maximum downloading code rate, increasing the video code rate of the target video.
Based on the second example, if the transmission delay of the current time period is less than or equal to the preset delay, which indicates that the transmission delay is smaller than the preset delay in the decreasing trend, the network resources are more sufficient, and the download code rate and the video code rate can be increased, so as to improve the transmission efficiency; if the transmission delay of the current time period is greater than the preset delay, the transmission delay is still greater than the preset delay under the trend of reduction, only the downloading code rate can be increased, and the video code rate is not changed; if the downloading code rate is the maximum downloading code rate, the video code rate can be increased, and the trend of reducing the transmission delay is restrained.
With reference to the above step 201-204, a specific implementation is illustrated herein to describe how to determine the initial download bitrate and the initial video bitrate. Optionally, before step 201, the method further comprises: acquiring an initial video code rate of a target video and an initial downloading code rate of a resource package; and transmitting the target video according to the initial video code rate, and transmitting the resource packet according to the initial downloading code rate.
Further optionally, the obtaining an initial video bitrate of the target video and an initial download bitrate of the resource package includes: acquiring a maximum video code rate, a minimum video code rate and a preset code rate; and taking the average value of the preset code rate and the minimum video code rate as an initial video code rate, and taking one half of the difference between the maximum video code rate and the initial video code rate as an initial downloading code rate. The maximum video code rate, the minimum video code rate and the preset code rate are utilized to determine the initial video code rate and the initial downloading code rate, so that the downloading speed of the resource package can be increased as much as possible on the premise of ensuring smooth video transmission and playing.
The method for adjusting the code rate provided by the embodiment of the application is characterized in that a target video of a target game and a resource package of the target game are transmitted to a terminal device based on a cloud game micro-terminal of the target game installed on the terminal device, wherein the target video comprises a game interface in the running process of the target game; acquiring transmission time delay of a target video and a resource packet in at least two time periods, wherein the transmission time delay is used for indicating the transmission time of one unit of data from a transmitting end to a receiving end; judging whether the transmission delay of the current time period is greater than the transmission delay of the previous time period; and adjusting at least one of the downloading code rate of the resource package and the video code rate of the target video according to the judgment result. The download code rate is adjusted in real time according to the transmission delay of the current time period and the transmission delay of the previous time period, so that the transmission of the resource packet is avoided from being influenced, the network resources are fully utilized as far as possible, and the time for transmitting the resource packet is reduced.
Example two
Based on the method described in the first embodiment, the second embodiment of the present application provides a method for adjusting a bit rate, and further details the method described in the first embodiment of the present application, in this embodiment, the method may be applied to a game scene, when a user wants to download a game, the game may be opened through a cloud backend of the game, at this time, because the game is not yet installed, interfaces seen by the user through a terminal device are game display interfaces generated by a server (an electronic device) based on user operations, and the game display interfaces are sent to the terminal device, that is, the server sends a video stream (i.e., a target video) to the terminal device in real time based on the user operations, and the terminal device downloads a game resource package (i.e., a resource package) from the server, which is only an exemplary illustration here.
As shown in fig. 3, fig. 3 is a scene schematic diagram of a method for adjusting a code rate according to the second embodiment of the present application, where the scene shown in fig. 3 includes an electronic device 301 and a terminal device 302, and the electronic device 301 may be a device for executing the method for adjusting a code rate according to the first embodiment of the present application.
The terminal device 302 corresponds to the terminal device 103 in the scene shown in fig. 1, and may be the same device, and the terminal device 302 may be a device with a display screen, and may be a terminal device such as a smart phone, a tablet computer, a notebook computer, and a vehicle-mounted terminal, which is, of course, only described here by way of example, and is not meant to limit the present application. The terminal device 302 may be installed with a cloud game micro-terminal of the target game, and the connection is established with the electronic device 302 through the cloud game micro-terminal.
The electronic device 301 corresponds to the cloud game server 101 and the object storage server 102 in the scene shown in fig. 1, the electronic device 301 may be a server of a target game, and the electronic device 301 and the terminal device 302 may communicate via a network and perform data interaction; the electronic device 301 may be a device of a server side, and the terminal device 302 may source the package from the electronic device 301. In the present application, the Network includes a Local Area Network (LAN), a Wide Area Network (WAN), and a mobile communication Network; such as the World Wide Web (WWW), Long Term Evolution (LTE) networks, 2G networks (2 th Generation Mobile Network), 3G networks (3 th Generation Mobile Network), 5G networks (5 th Generation Mobile Network), etc. The server may include various devices connected through a network, such as a server, a relay Device, a Device-to-Device (D2D) Device, and the like. Of course, this is merely an example and does not represent a limitation of the present application.
In fig. 3, the electronic device 301 is a device at a server, that is, a cloud device, where one or more cloud games are installed on the electronic device 301, fig. 1 shows 3 kinds of cloud games, that is, a cloud game 1, a cloud game 2, and a target game, where, for example, the target game is an example, a cloud game micro-end of the target game is installed on a terminal device 302, in this application, the cloud game micro-end is a micro-client of the cloud game, the terminal device 302 receives, through the cloud game micro-end, a target video of the target game transmitted by the electronic device 301, the target video includes a continuous game interface of the target game, which is equivalent to that the target game runs on the electronic device 301, and the terminal device 302 only displays the game interface, so that a user can play the game when the terminal device 302 does not yet install the game, and at the same time, the terminal device 302 receives a resource package of the target game through the cloud game micro-end of the target game, and after the resource package is downloaded and installed, the game can be played through the client of the target game. In the process of transmitting the target video and the resource package, the electronic device 301 adjusts the download code rate and the video code rate according to the transmission delay, so as to ensure that the user plays the game smoothly through the cloud game micro-terminal, download the resource package as fast as possible, and reduce the waiting time.
With reference to the scenario shown in fig. 3, as shown in fig. 4, fig. 4 is a flowchart of a method for adjusting a code rate according to a second embodiment of the present application, where the method includes the following steps:
In an initialization stage, the electronic device may establish a transmission link with the terminal device through a cloud game micro terminal on the terminal device, perform Real-Time audio/video transmission through a Real Time Communication (RTC), and set a code rate RAudio _ cur of audio data to a fixed audio code rate RAudio _ fix.
Setting the video code rate RVideo _ cur as the minimum video code rate RVideo _ min, coding and transmitting according to the current code rate RVideo _ cur, and counting the current transmission delay after 10 seconds to be used as the minimum delay RTT _ min. Setting the maximum video rate RVideo _ max equal to RVideo _ min, setting the preset video rate RVideo _ good equal to RVideo _ min, and setting the minimum value of the transmission delay variation amount to RTT Δ _ min equal to 1 second, where the transmission delay variation amount is used to represent the difference between the transmission delay and the preset delay, refer to the description of step 405.
And step 402, judging whether normal downloading can be performed according to the minimum time delay.
If the RTT _ min is larger than the preset maximum time delay RTT _ Accept _ max, reminding the user that the network condition is too poor and the downloading can not be finished and the game quits; otherwise, the normal game is continued.
And 403, increasing the video code rate and counting new transmission delay.
For example, the new video rate RVideo _ try is set to RVideo _ try ═ RVideo _ cur × 1.1, the audio rate remains unchanged, and after 5 seconds, a new transmission delay RTT _ cur is counted.
If the new transmission delay RTT _ cur is less than or equal to the maximum delay RTT _ Accept _ max, step 405 is executed.
If the new transmission delay RTT _ cur is greater than the maximum delay RTT _ Accept _ max, the maximum video rate RVideo _ max is set to the current video rate RVideo _ cur, and step 406 is performed.
And step 405, updating the preset video code rate and the maximum video code rate according to the new transmission delay.
Optionally, a transmission delay variation RTT Δ is calculated, where RTT Δ ═ RTT _ good-RTT _ cur |, where RTT _ good represents a preset delay, and RTT _ cur represents a current delay.
If RTT Δ < RTT Δ _ min, setting RTT Δ _ min as RTT Δ, and setting the preset video bitrate as a new video bitrate, that is, RVideo _ good ═ RVideo _ try, returning to step 403;
if RTT Δ ≧ RTT Δ _ min, the maximum video code rate RVideo _ max ═ RVideo _ cur ═ RVideo _ try is set, and the process returns to step 403.
And step 406, setting an initial video code rate and an initial downloading code rate according to the minimum video code rate, the preset video code rate and the maximum video code rate.
Alternatively, an initial video bitrate RVideo _ cur ═ (RVideo _ good + RVideo _ min)/2 may be set first, and then an initial download bitrate rdowload _ cur, rdowload _ cur ═ (RVideo _ max-RVideo _ cur)/2 may be set based on the set initial video bitrate.
It should be noted that, if the initial download bitrate rdonload _ cur is greater than the preset maximum download bitrate rdonload _ max, the maximum download bitrate is set as the current initial download bitrate, that is, rdonload _ cur is rdonload _ max; if the initial download code rate rdonload _ cur is smaller than the preset maximum download code rate rdonload _ min, the minimum download code rate is set as the current initial download code rate, that is, rdonload _ cur is rdonload _ min. Setting the current initial video code rate as the minimum video code rate, namely RVideo _ cur ═ RVideo _ min, starting to transmit the target video (namely the video stream of the game interface) according to the initial video code rate, and transmitting the resource packets (namely the game resource packets) according to the initial downloading code rate.
In this example, the transmission delay may be obtained periodically, and the transmission delay is obtained once every preset duration, which may be 50ms, i.e. the current transmission delay RTT _ new is counted every 50ms,
and step 408, judging whether the transmission delay of the current period is larger than the transmission delay of the previous period.
If the transmission delay of the current period (i.e., the transmission delay of the current time period) is greater than the transmission delay of the previous period (i.e., the transmission delay of the previous time period), that is, RTT _ new > RTT _ cur, step 409 is executed; if the transmission delay of the current period is less than the transmission delay of the previous period, that is, RTT _ new < RTT _ cur, step 4010 is executed.
And if the transmission delay of the current period is greater than the preset delay, namely RTT _ new > RTT _ good, reducing the downloading code rate of the resource packet and reducing the video code rate of the target video. Alternatively, the video bitrate RVideo _ cur may be set to RVideo _ cur ═ max (RVideo _ cur × 0.9, RVideo _ min), the download bitrate rdowload _ cur may be set to rdowload _ cur ═ max (rdowload _ cur × 0.9, rdowload _ min), and step 4011 is performed;
if the transmission delay of the current period is less than or equal to the preset delay, further determining whether the download code rate is greater than the minimum download code rate, if the download code rate is greater than the minimum download code rate, that is, rdonload _ cur > rdonload _ min, then decreasing the download code rate, for example, the download code rate rdonload _ cur may be set to rdonload _ cur ═ max (rdonload _ cur × 0.9, rdonload _ min), and execute step 4011; if the download code rate is equal to the minimum download code rate, the video code rate is decreased, for example, the video code rate RVideo _ cur may be set to RVideo _ cur ═ max (RVideo _ cur × 0.9, RVideo _ min), and step 4011 is performed.
If the transmission delay of the current period is greater than the preset delay, that is, RTT _ new < ═ RTT _ good, the download code rate of the resource packet is increased, and the video code rate of the target video is increased, for example, the video code rate RVideo _ cur may be set to RVideo _ cur ═ min (RVideo _ cur × 1.1, RVideo _ good), the download code rate RDownload _ cur may be set to RDownload _ cur ═ min (rdowload _ cur × 1.1, RDownload _ max), and 4011 is performed;
if the transmission delay of the current period is less than or equal to the preset delay, further determining whether the download code rate is less than the maximum download code rate, if the download code rate is less than the maximum download code rate, that is, rdonload _ cur < rdonload _ max, increasing the download code rate of the resource packet, for example, setting the download code rate rdonload _ cur to rdonload _ cur ═ min (rdonload _ cur × 1.1, rdonload _ max), and executing step 4011; if the download code rate is equal to the maximum download code rate, the video code rate is increased, for example, the video code rate RVideo _ cur may be set to RVideo _ cur ═ min (RVideo _ cur × 1.1, RVideo _ good), and step 4011 is performed.
Alternatively, the transmission delay of the current period may be updated to the transmission delay of the previous period, that is, RTT _ cur ═ RTT _ new is recorded, and then the new transmission delay is obtained.
The method for adjusting the code rate provided by the embodiment of the application is characterized in that a target video of a target game and a resource package of the target game are transmitted to a terminal device based on a cloud game micro-terminal of the target game installed on the terminal device, wherein the target video comprises a game interface in the running process of the target game; acquiring transmission time delay of a target video and a resource packet in at least two time periods, wherein the transmission time delay is used for indicating the transmission time of one unit of data from a transmitting end to a receiving end; judging whether the transmission delay of the current time period is greater than the transmission delay of the previous time period; and adjusting at least one of the downloading code rate of the resource package and the video code rate of the target video according to the judgment result. The download code rate is adjusted in real time according to the transmission delay of the current time period and the transmission delay of the previous time period, so that the transmission of the resource packet is avoided from being influenced, the network resources are fully utilized as far as possible, and the time for transmitting the resource packet is reduced.
EXAMPLE III
Based on the method described in the first embodiment, a third embodiment of the present application provides a device for adjusting a code rate, which is used to execute the method described in the first embodiment or the second embodiment, and referring to fig. 5, the device 50 for adjusting a code rate includes:
the transmission module 501 is configured to transmit a target video of a target game and a resource package of the target game to a terminal device based on a cloud game micro-terminal of the target game installed on the terminal device, where the target video includes a game interface in a running process of the target game;
a delay module 502, configured to obtain transmission delays of the target video and the resource packet in at least two time periods, where the transmission delay is used to indicate transmission time of one unit of data from a transmitting end to a receiving end;
a determining module 503, configured to determine whether the transmission delay of the current time period is greater than the transmission delay of the previous time period;
and an adjusting module 504, configured to adjust at least one of the download code rate of the resource package and the video code rate of the target video according to the determination result.
Optionally, in a specific example, the adjusting module 504 is configured to reduce, when the transmission delay of the current time period is greater than the transmission delay of the previous time period, the download code rate of the resource package on the basis of ensuring that the download code rate of the resource package is greater than or equal to the minimum download code rate; and when the transmission delay of the current time period is less than the transmission delay of the previous time period, increasing the downloading code rate of the resource package on the basis of ensuring that the downloading code rate of the resource package is less than or equal to the maximum downloading code rate.
Optionally, in a specific example, the adjusting module 504 is configured to determine whether the transmission delay of the current time period is greater than the transmission delay of the previous time period; and if the transmission delay of the current time period is greater than the preset delay, reducing the downloading code rate of the resource packet and reducing the video code rate of the target video.
Optionally, in a specific example, the adjusting module 504 is configured to determine whether a download code rate of the resource package is greater than a minimum download code rate when the transmission delay of the current time period is less than or equal to a preset delay;
if the downloading code rate of the resource package is larger than the minimum downloading code rate, reducing the downloading code rate of the resource package; and if the downloading code rate of the resource package is equal to the minimum downloading code rate, reducing the video code rate of the target video.
Optionally, in a specific example, the adjusting module 504 is configured to determine whether the transmission delay of the current time period is greater than a preset delay when the transmission delay of the current time period is less than the transmission delay of the previous time period; and if the transmission delay of the current time period is less than or equal to the preset delay, increasing the downloading code rate of the resource packet and increasing the video code rate of the target video.
Optionally, in a specific example, the adjusting module 504 is configured to determine whether a download code rate of the resource package is smaller than a maximum download code rate when the transmission delay of the current time period is greater than a preset time delay; if the downloading code rate of the resource package is smaller than the maximum downloading code rate, the downloading code rate of the resource package is increased; and if the downloading code rate of the resource package is equal to the maximum downloading code rate, increasing the video code rate of the target video.
Optionally, in a specific example, the apparatus 50 for adjusting a bitrate further includes an initialization module 505, configured to obtain an initial video bitrate of the target video and an initial download bitrate of the resource package; and transmitting the target video according to the initial video code rate, and transmitting the resource packet according to the initial downloading code rate.
Optionally, in a specific example, the initialization module 505 is configured to obtain a maximum video bitrate, a minimum video bitrate, and a preset bitrate; and taking the average value of the preset code rate and the minimum video code rate as an initial video code rate, and taking one half of the difference between the maximum video code rate and the initial video code rate as an initial downloading code rate.
The device for adjusting the code rate provided by the embodiment of the application transmits a target video of a target game and a resource package of the target game to a terminal device based on a cloud game micro-terminal of the target game installed on the terminal device, wherein the target video comprises a game interface in the running process of the target game; acquiring transmission time delay of a target video and a resource packet in at least two time periods, wherein the transmission time delay is used for indicating the transmission time of one unit of data from a transmitting end to a receiving end; judging whether the transmission delay of the current time period is greater than the transmission delay of the previous time period; and adjusting at least one of the downloading code rate of the resource package and the video code rate of the target video according to the judgment result. The download code rate is adjusted in real time according to the transmission delay of the current time period and the transmission delay of the previous time period, so that the transmission of the resource packet is avoided from being influenced, the network resources are fully utilized as far as possible, and the time for transmitting the resource packet is reduced.
Example four
Based on the method described in the first embodiment, a fourth embodiment of the present application provides an electronic device, configured to execute the method described in the first embodiment or the second embodiment, and referring to fig. 6, a schematic structural diagram of the electronic device according to the fourth embodiment of the present application is shown, and a specific embodiment of the present application does not limit a specific implementation of the electronic device.
As shown in fig. 6, the electronic device 60 may include: a processor (processor)602, a communication Interface 604, a memory 606, and a communication bus 608.
Wherein:
the processor 602, communication interface 604, and memory 606 communicate with one another via a communication bus 608.
A communication interface 604 for communicating with other electronic devices or servers.
The processor 602 is configured to execute the program 610, and may specifically perform relevant steps in any method for adjusting a code rate in the first embodiment or the second embodiment.
In particular, program 610 may include program code comprising computer operating instructions.
The processor 602 may be a central processing unit CPU, or an application Specific Integrated circuit asic, or one or more Integrated circuits configured to implement embodiments of the present application. The intelligent device comprises one or more processors which can be the same type of processor, such as one or more CPUs; or may be different types of processors such as one or more CPUs and one or more ASICs.
And a memory 606 for storing a program 610. Memory 606 may comprise high-speed RAM memory, and may also include non-volatile memory (non-volatile memory), such as at least one disk memory.
The program 610 may be specifically configured to be executed by the processor 602 to implement the method for adjusting the code rate described in the first embodiment or the second embodiment. For specific implementation of each step in the program 610, reference may be made to corresponding steps and corresponding descriptions in units in the foregoing method embodiment for adjusting a code rate, which are not described herein again. It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described devices and modules may refer to the corresponding process descriptions in the foregoing method embodiments, and are not described herein again.
The electronic equipment provided by the embodiment of the application transmits the target video of the target game and the resource package of the target game to the terminal equipment based on the cloud game micro-terminal of the target game installed on the terminal equipment, wherein the target video comprises a game interface in the running process of the target game; acquiring transmission time delay of a target video and a resource packet in at least two time periods, wherein the transmission time delay is used for indicating the transmission time of one unit of data from a transmitting end to a receiving end; judging whether the transmission delay of the current time period is greater than the transmission delay of the previous time period; and adjusting at least one of the downloading code rate of the resource package and the video code rate of the target video according to the judgment result. The download code rate is adjusted in real time according to the transmission delay of the current time period and the transmission delay of the previous time period, so that the transmission of the resource packet is avoided from being influenced, the network resources are fully utilized as far as possible, and the time for transmitting the resource packet is reduced.
EXAMPLE five
Based on the method described in the first embodiment, a fifth embodiment of the present application provides a computer storage medium, on which a computer program is stored, and the computer program, when executed by a processor, implements the method described in the first embodiment or the second embodiment.
EXAMPLE six
Based on the method described in the first embodiment, a sixth embodiment of the present application provides a computer program product, which when executed by a processor implements the method described in the first embodiment or the second embodiment.
It should be noted that, according to the implementation requirement, each component/step described in the embodiment of the present application may be divided into more components/steps, and two or more components/steps or partial operations of the components/steps may also be combined into a new component/step to achieve the purpose of the embodiment of the present application.
The above-described methods according to embodiments of the present application may be implemented in hardware, firmware, or as software or computer code storable in a recording medium such as a CD ROM, a RAM, a floppy disk, a hard disk, or a magneto-optical disk, or as computer code originally stored in a remote recording medium or a non-transitory machine-readable medium downloaded through a network and to be stored in a local recording medium, so that the methods described herein may be stored in such software processes on a recording medium using a general-purpose computer, a dedicated processor, or programmable or dedicated hardware such as an ASIC or FPGA. It is understood that the computer, processor, microprocessor controller or programmable hardware includes memory components (e.g., RAM, ROM, flash memory, etc.) that can store or receive software or computer code that, when accessed and executed by the computer, processor or hardware, implements the navigation methods described herein. Further, when a general-purpose computer accesses code for implementing the navigation methods shown herein, execution of the code transforms the general-purpose computer into a special-purpose computer for performing the navigation methods shown herein.
Those of ordinary skill in the art will appreciate that the various illustrative elements and method steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the embodiments of the present application.
The above embodiments are only used for illustrating the embodiments of the present application, and not for limiting the embodiments of the present application, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the embodiments of the present application, so that all equivalent technical solutions also belong to the scope of the embodiments of the present application, and the scope of patent protection of the embodiments of the present application should be defined by the claims.
Claims (11)
1. A method of adjusting a code rate, comprising:
transmitting a target video of a target game and a resource package of the target game to a terminal device based on a cloud game micro-terminal of the target game installed on the terminal device, wherein the target video comprises a game interface in the running process of the target game;
acquiring transmission time delay of the target video and the resource packet in at least two time periods, wherein the transmission time delay is used for indicating the transmission time of one unit of data from a transmitting end to a receiving end;
judging whether the transmission delay of the current time period is greater than the transmission delay of the previous time period;
and adjusting at least one of the downloading code rate of the resource package and the video code rate of the target video according to the judgment result.
2. The method of claim 1, wherein the adjusting at least one of the download bitrate of the resource package and the video bitrate of the target video according to the determination result comprises:
if the transmission delay of the current time period is longer than the transmission delay of the previous time period, reducing the downloading code rate of the resource package on the basis of ensuring that the downloading code rate of the resource package is greater than or equal to the minimum downloading code rate;
and if the transmission delay of the current time period is less than the transmission delay of the previous time period, increasing the downloading code rate of the resource package on the basis of ensuring that the downloading code rate of the resource package is less than or equal to the maximum downloading code rate.
3. The method of claim 2, wherein if the transmission delay of the current time period is greater than the transmission delay of the previous time period, reducing the download code rate of the resource package on the basis of ensuring that the download code rate of the resource package is greater than or equal to the minimum download code rate comprises:
if the transmission delay of the current time period is greater than the transmission delay of the previous time period, judging whether the transmission delay of the current time period is greater than a preset delay;
and if the transmission delay of the current time period is greater than the preset delay, reducing the downloading code rate of the resource packet and reducing the video code rate of the target video.
4. The method of claim 3, wherein the method further comprises:
if the transmission delay of the current time period is less than or equal to the preset delay, judging whether the download code rate of the resource package is greater than the minimum download code rate;
if the downloading code rate of the resource package is larger than the minimum downloading code rate, reducing the downloading code rate of the resource package; and if the downloading code rate of the resource package is equal to the minimum downloading code rate, reducing the video code rate of the target video.
5. The method of claim 2, wherein if the transmission delay of the current time period is smaller than the transmission delay of the previous time period, increasing the download code rate of the resource package on the basis of ensuring that the download code rate of the resource package is smaller than or equal to the maximum download code rate comprises:
if the transmission delay of the current time period is smaller than the transmission delay of the previous time period, judging whether the transmission delay of the current time period is larger than a preset delay or not;
and if the transmission delay of the current time period is less than or equal to the preset delay, increasing the downloading code rate of the resource packet and increasing the video code rate of the target video.
6. The method of claim 5, wherein the method further comprises:
if the transmission delay of the current time period is greater than the preset delay, judging whether the download code rate of the resource package is less than the maximum download code rate;
if the downloading code rate of the resource package is smaller than the maximum downloading code rate, the downloading code rate of the resource package is increased; and if the downloading code rate of the resource package is equal to the maximum downloading code rate, increasing the video code rate of the target video.
7. The method of any of claims 1-6, wherein the method further comprises:
acquiring an initial video code rate of the target video and an initial downloading code rate of the resource package;
and transmitting the target video according to the initial video code rate, and transmitting the resource packet according to the initial downloading code rate.
8. The method of claim 7, wherein the obtaining the initial video bitrate of the target video and the initial download bitrate of the resource package comprises:
acquiring a maximum video code rate, a minimum video code rate and a preset code rate;
and taking the average value of the preset code rate and the minimum video code rate as the initial video code rate, and taking one half of the difference between the maximum video code rate and the initial video code rate as the initial downloading code rate.
9. An apparatus for adjusting a code rate, comprising:
the transmission module is used for transmitting a target video of a target game and a resource package of the target game to the terminal equipment based on a cloud game micro-terminal of the target game installed on the terminal equipment, wherein the target video comprises a game interface in the running process of the target game;
the time delay module is used for acquiring the transmission time delay of the target video and the resource packet in at least two time periods, wherein the transmission time delay is used for indicating the transmission time of one unit of data from the transmitting end to the receiving end;
the judging module is used for judging whether the transmission delay of the current time period is greater than the transmission delay of the previous time period;
and the adjusting module is used for adjusting at least one of the downloading code rate of the resource package and the video code rate of the target video according to the judgment result.
10. An electronic device, comprising: the system comprises a processor, a memory, a communication interface and a communication bus, wherein the processor, the memory and the communication interface complete mutual communication through the communication bus;
the memory is used for storing at least one executable instruction, and the executable instruction causes the processor to execute the operation corresponding to the method for adjusting the code rate according to any one of claims 1-8.
11. A storage medium having stored thereon a computer program which, when executed by a processor, implements a method for adjusting a code rate according to any one of claims 1-8.
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Application publication date: 20211130 |