CN114470745A - Cloud game implementation method, device and system based on SRT - Google Patents
Cloud game implementation method, device and system based on SRT Download PDFInfo
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- CN114470745A CN114470745A CN202111619675.0A CN202111619675A CN114470745A CN 114470745 A CN114470745 A CN 114470745A CN 202111619675 A CN202111619675 A CN 202111619675A CN 114470745 A CN114470745 A CN 114470745A
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
- A63F13/30—Interconnection arrangements between game servers and game devices; Interconnection arrangements between game devices; Interconnection arrangements between game servers
- A63F13/33—Interconnection arrangements between game servers and game devices; Interconnection arrangements between game devices; Interconnection arrangements between game servers using wide area network [WAN] connections
- A63F13/335—Interconnection arrangements between game servers and game devices; Interconnection arrangements between game devices; Interconnection arrangements between game servers using wide area network [WAN] connections using Internet
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F13/00—Video games, i.e. games using an electronically generated display having two or more dimensions
- A63F13/30—Interconnection arrangements between game servers and game devices; Interconnection arrangements between game devices; Interconnection arrangements between game servers
- A63F13/35—Details of game servers
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
- A63F2300/40—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterised by details of platform network
- A63F2300/407—Data transfer via internet
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
- A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
- A63F2300/50—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by details of game servers
- A63F2300/53—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by details of game servers details of basic data processing
- A63F2300/534—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterized by details of game servers details of basic data processing for network load management, e.g. bandwidth optimization, latency reduction
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention relates to the field of electronic digital data processing, in particular to a cloud game implementation method, a cloud game implementation device and a cloud game implementation system based on SRT (sequence request transfer protocol). the cloud game implementation device comprises an MFC terminal and a cloud server, wherein the MFC terminal is connected with the cloud server, and is used for sending a trial play request, receiving audio and video streaming and outputting a game picture; the cloud server is used for starting a cloud game based on an SRT protocol according to the trial play request and the starting parameters of the terminal, processing the game audio and video streaming and sending the game audio and video streaming to the MFC terminal. According to the application, the high efficiency, the reliability and the low time delay of the cloud game picture data and audio data transmission are ensured through the SRT protocol. Compared with other existing schemes, the method has the following advantages and effects: the characteristics of the SRT protocol are fully utilized, the stability of a transmission link and the safety of transmission contents in a cloud game scene are guaranteed, and the transmission quality of video services is effectively improved.
Description
Technical Field
The invention relates to the field of electronic digital data processing, in particular to a cloud game implementation method, device and system based on SRT.
Background
The cloud game is characterized in that the game runs based on a cloud end, and the rendered game picture is compressed and encoded and then transmitted to the terminal in an audio and video streaming mode through a network; and the terminal side decodes and plays the audio and video and uploads the control instruction to the cloud end to form a game interaction process. The cloud game service scene provides requirements for a network for super-large bandwidth, determinacy, low time delay and ultra-low packet loss.
The existing cloud game has poor image quality and high time delay, so that the use experience of a user is reduced.
Disclosure of Invention
The invention aims to provide a cloud game implementation method, device and system based on SRT, and aims to improve the image quality of a cloud game and improve the user experience.
In order to achieve the above object, in a first aspect, the present invention provides a cloud game implementation system based on SRT, including an MFC terminal and a cloud server, where the MFC terminal is connected to the cloud server, and is configured to send a request for trying to play, receive an audio/video stream, and output a game picture; the cloud server is used for starting a cloud game based on an SRT protocol according to the trial play request and the starting parameters of the terminal, processing the game audio and video streaming and sending the game audio and video streaming to the MFC terminal.
Wherein, the try-to-play request comprises the terminal hardware performance and the network transmission performance index.
The starting parameters comprise video output resolution, coding format, frame rate, code rate control parameters and a code rate control mode.
The MFC terminal comprises a request module and an output module, wherein the request module is used for responding to a trial playing request and operation of a cloud game; and the output module is used for decoding the returned cloud game audio and video streaming and rendering and outputting game pictures in real time.
In a second aspect, the present invention further provides a cloud game implementation apparatus, where the cloud game implementation apparatus includes an instruction conversion module, a capability negotiation module, an acquisition module, a coding module, a preprocessing module, and a sending module, where the instruction conversion module is configured to process a game control operation of an MFC terminal; the capability negotiation module is used for receiving a test play request sent by the MFC terminal and analyzing corresponding configuration parameters; the acquisition module is used for acquiring picture data output from a display card and audio data output from a sound card, the coding module is used for coding the picture data and the audio data, the preprocessing module is used for formatting and packaging the coded picture data and audio data, and the sending module is used for sending the packaged picture data and audio data to an MFC terminal for decoding and playing.
In a third aspect, the invention further provides a cloud game implementation method based on the SRT, which includes that an MFC terminal sends a trial play request of a cloud game to a cloud server for capability negotiation;
the cloud server configures cloud game starting parameters according to the analysis result of the capability negotiation and starts a cloud game;
the cloud server receives cloud game control operation from the MFC terminal and converts the cloud game control operation into a control instruction;
the cloud server responds to the control instruction to generate game picture data and audio data;
the cloud server encodes the game picture data and the audio data, and sends the encoded audio and video data to the MFC terminal for decoding and playing through the SRT protocol.
Wherein the control operation signal is generated from a keyboard, a mouse and a game pad.
According to the cloud game implementation method, device and system based on the SRT, the SRT protocol is a network transmission technology capable of accurately transmitting data streams in real time under a complex network environment, and the high efficiency, reliability and low time delay of cloud game picture data and audio data transmission are guaranteed through the SRT protocol. Compared with other existing schemes, the method has the following advantages and effects: the characteristics of the SRT protocol are fully utilized, the stability of a transmission link and the safety of transmission contents in a cloud game scene are guaranteed, and a middle complex transmission link is simplified, so that the time delay of the whole link is reduced, and the audio-visual experience and the interactive experience with almost the best quality and the lowest time delay are provided for a user. The video service transmission method and the system can meet the consistency of user experience in different terminal devices and different network transmission environments, and the transmission quality of the video service is effectively improved by using various self-adaptive mechanisms and technologies.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of a cloud game implementation method based on SRT according to the present invention.
Fig. 2 is a capability negotiation flow diagram of the present invention.
Fig. 3 is a configuration diagram of a cloud game implementation apparatus of the present invention.
Fig. 4 is a schematic diagram of the SRT transmission scheme of the present invention.
FIG. 5 is a schematic diagram of the SRT interaction flow of the present invention;
fig. 6 is a usage scenario diagram of the present invention.
Fig. 7 is an interaction diagram of a cloud game operation flow of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The higher the cloud game image quality experience requirement, the higher the requirements on resolution, frame rate, code rate and the like, and the higher the network throughput requirement. The network bandwidth is insufficient, packet loss occurs, and the flux is reduced, so that picture blockage and screen blooming can be caused. The network jitter is too large, which results in unstable frame interval and further frame skipping. In cloud games, it is desirable to obtain a quick response visually and aurally after a user performs an operation such as a keyboard, a mouse, or a handle, and if the operation response delay is long, the user feels a feeling of delay. Based on this, the embodiment of the application provides a cloud game implementation method, device and system based on an SRT.
Referring to fig. 2, fig. 4, fig. 5, fig. 6 and fig. 7, in a first aspect, the present invention provides a cloud game implementation system based on SRT, including: the MFC terminal is connected with the cloud server and used for sending a trial play request, receiving audio and video streaming and outputting a game picture; the cloud server is used for starting a cloud game based on an SRT protocol according to a trial play request of the terminal, processing the game audio and video streaming and sending the game audio and video streaming to the MFC terminal.
In this embodiment, after the MFC terminal is started, the user needs to request the cloud game resource from the resource management center first, and then establishes a link with the cloud server after the resource management center returns an available resource. The MFC terminal responds to the control operation of a user on the game to generate a game control instruction, a control flow is formed and sent to the cloud server, the cloud server executes instruction conversion to generate new game picture data and audio data, the new game picture data and the new audio data are encoded and transmitted back to the client through an SRT protocol in the form of audio and video streaming, and the MFC terminal decodes and plays the audio and video streaming. The user opens the MFC terminal, after a cloud game is selected from the cloud game list, the client requests cloud game resources from the resource management platform, the resource management platform returns an available cloud server, and meanwhile, the client performs hardware capability index analysis and network state detection to form a capability negotiation message body and establish a link with the cloud server. The cloud server analyzes the request message structure, configures corresponding encoding parameters, and starts a cloud game. In this embodiment, the external network communication address of the cloud server is preconfigured on the resource management platform, and the platform can maintain the service condition of the cloud server resource in real time. The SRT protocol is a network transmission technology capable of accurately transmitting data streams in real time in a complex network environment, and the high efficiency, reliability and low delay of cloud game picture data and audio data transmission are guaranteed through the SRT protocol. Compared with other existing schemes, the method has the following advantages and effects: the characteristics of the SRT protocol are fully utilized, the stability of a transmission link and the safety of transmission contents in a cloud game scene are guaranteed, and a middle complex transmission link is simplified, so that the time delay of the whole link is reduced, and the audio-visual experience and the interactive experience with almost the best quality and the lowest time delay are provided for a user. The video service transmission method and the system can meet the consistency of user experience in different terminal devices and different network transmission environments, and the transmission quality of the video service is effectively improved by using various self-adaptive mechanisms and technologies.
Referring to fig. 4, SRT is a connection-oriented point-to-point protocol, and each SRT stream only needs one UDP connection, which contains bidirectional control information in addition to a data stream to be transmitted. In the process of transmitting audio and video streams from an SRT source device (such as a cloud-end encoder in fig. 5) to an SRT target device (such as a terminal decoder in fig. 5), the SRT can detect and adapt to a constantly changing network state between the two devices in real time, so as to resist bandwidth jitter caused by network congestion, and reduce the possibility of network packet loss to the minimum by virtue of a strong error recovery mechanism. Meanwhile, the SRT can also carry out AES encryption, thereby ensuring the information security of the data in the transmission process.
Referring to fig. 5, we can know the SRT interaction flow between the cloud server and the MFC terminal, and a simplified handshake is performed between the cloud server and the MFC terminal to improve efficiency; after the handshake, important information is exchanged between the MFC terminal and the cloud server, and the first key step of the whole SRT is that the MFC terminal and the cloud server mainly exchange parameters such as the size of a buffer area, a File mode/Live mode, encryption and the like in the example; then, starting transmission of audio/video streaming data between the MFC terminal and the cloud server, and simultaneously transmitting an accurate timestamp packaged for recovering a frame interval; the second key step of the SRT is that the cloud server synchronizes control information to the MFC terminal so as to resist a series of sudden conditions such as jitter, packet loss and the like in the public network; and finally, closing the transmission channel by double transmission after the audio and video data transmission is finished.
Further, the MFC terminal comprises a request module and an output module, wherein the request module is used for responding to a trial play request and operation of a cloud game; and the output module is used for decoding the returned cloud game audio and video streaming and rendering and outputting game pictures in real time.
In the embodiment, the MFC terminal is used for responding to a trial play request and operation of a user on a cloud game, decoding a returned cloud game audio/video streaming, and rendering and outputting a game picture in real time; the method comprises the steps that HOOK technology (HOOK) called HOOK functions are adopted, control operation of a user is monitored in real time, control flow is generated and sent to a cloud server; and detecting the hardware condition of the client, and determining whether the graphics card hardware supports DXVA2, so that the client adopts hard decoding or soft decoding.
In a second aspect, please refer to fig. 3, the present invention further provides a cloud game implementation apparatus, where the cloud game implementation apparatus is applied to a cloud server, the cloud game implementation apparatus includes an instruction conversion module, a capability negotiation module, an acquisition module, a coding module, a preprocessing module and a sending module, and the instruction conversion module is configured to process a game control operation of an MFC terminal; the capability negotiation module is used for receiving a test play request sent by the MFC terminal and analyzing corresponding configuration parameters; the collection module is used for collecting picture data output from a display card and audio data output from a sound card, the coding module is used for coding the picture data and the audio data, the preprocessing module is used for formatting and packaging the coded picture data and audio data, and the sending module is used for sending the packaged picture data and audio data to an MFC terminal for decoding and playing.
In this embodiment, the capability negotiation module is configured to receive a start request of a cloud game sent by the MFC terminal, analyze request information, and update configuration parameters to a corresponding module. The method mainly comprises the terminal hardware performance index and the network transmission condition. And the acquisition module is used for acquiring the game pictures output from the display card and the sound output from the sound card. The encoding module is used for encoding the picture data and the audio data, video encoding parameters comprise output resolution, encoding format (H264/HEVC), frame rate, preset, tune, profile, level and the like, code rate control parameters, code rate control modes and the like, and if the output resolution is inconsistent with the acquisition resolution, the picture data before encoding also needs to be subjected to scaling processing; the audio coding parameters comprise coding format, sampling rate, channel number and sampling bit number; wherein the video supports both soft coding and hard coding, and the audio employs soft coding. And the sending module is used for coding the picture data and the audio data and sending the coded audio and video data to the MFC terminal for decoding and playing through an SRT protocol. And the preprocessing module is used for formatting and packaging the coded picture data and audio data, and mainly comprises pts and dts calculation, large data packet intelligent grouping, custom protocol message header addition and the like. The command conversion module is used for processing game control operation of the MFC terminal, the main operation equipment comprises a keyboard, a mouse and a gamepad, the virtual HID equipment at the cloud end is operated through command conversion, and the command conversion module relates to core functions of processing keyboard combination keys, converting absolute coordinates and relative coordinates of the mouse, controlling the moving speed of the mouse and the like.
In a third aspect, referring to fig. 1, the present invention provides a cloud game implementation method based on SRT, including:
s101, the MFC terminal sends a trial play request of a cloud game to the cloud server to carry out capability negotiation;
and receiving a trial play request of the cloud game sent by the MFC terminal, wherein the request mainly carries out capability negotiation, and request information comprises terminal hardware performance, network transmission performance indexes of both parties and the like.
In order to achieve the consistency of user experience under different terminal devices and different network transmission environments, the patent uses various self-adaptive mechanisms and technologies, and effectively improves the transmission quality of video services. The method mainly takes a video coding method as a core, firstly detects indexes such as decoding hardware performance of a terminal, transmission network environment and the like, and automatically adjusts coding related parameters or algorithms according to feedback of the indexes, so that the output of video streams can adapt to the actual situation of current network transmission. Taking H264 coding as an example, where preset is the control coding speed, tune is the parameters related to coding quality and picture details, and profile is the constraint including baseline, extended, main, and high, and under a given profile, level generally corresponds to the processing capability and memory capacity of the decoder. Each level is set with different parameters (such as sampling rate, image size, coding bit rate, etc.) to obtain different levels of the corresponding codec performance. Under different network transmission environments, in order to ensure video transmission quality, code rate control is also a method, the commonly used code rate control modes of a video encoder comprise abr (average code rate), crf (limited code rate) and cqp (fixed quality), and the device can select a proper code rate control mode and code rate control parameter configuration according to the actual network environment. The audio has small data volume, so the processing is relatively simple, and only basic coding parameters need to be configured.
S102, the cloud server configures cloud game starting parameters according to the analysis result of the capability negotiation and starts a cloud game;
and configuring cloud game starting parameters according to the terminal capability negotiation and analysis result, wherein the cloud game starting parameters mainly comprise video output resolution, coding format, frame rate, preset, tune, profile, level and the like, code rate control parameters, code rate control modes and the like, and audio output sampling rate, channel number and sampling digit number parameters.
S103, the cloud server receives cloud game control operation from the MFC terminal and converts the operation into a control instruction;
after the cloud game is started, cloud game control operation from the MFC terminal is received, the cloud game control operation mainly comprises a keyboard, a mouse, a gamepad and the like, the cloud game control operation is converted into a control instruction, and game picture data and audio data are generated in response to the control instruction.
S104, the cloud server responds to the control instruction to generate game picture data and audio data;
and coding the game audio and video streaming, wherein the coding mode is hard coding, and the coded audio and video data is sent to an MFC terminal for decoding and playing through an SRT protocol.
S105, the cloud server encodes the game picture data and the audio data, and sends the encoded audio and video data to the MFC terminal through the SRT protocol for decoding and playing.
The invention relates to a cloud game implementation method, a cloud game implementation device and a cloud game implementation system based on SRT (security reference transport), wherein an SRT protocol is a network transmission technology capable of accurately transmitting data streams in real time under a complex network environment. Compared with other existing schemes, the method has the following advantages and effects: the characteristics of the SRT protocol are fully utilized, the stability of a transmission link and the safety of transmission contents in a cloud game scene are guaranteed, and a middle complex transmission link is simplified, so that the time delay of the whole link is reduced, and the audio-visual experience and the interactive experience with almost the best quality and the lowest time delay are provided for a user. The video service transmission method and the system can meet the consistency of user experience in different terminal devices and different network transmission environments, and the transmission quality of the video service is effectively improved by using various self-adaptive mechanisms and technologies.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A cloud game realization system based on SRT is characterized in that,
the system comprises an MFC terminal and a cloud server, wherein the MFC terminal is connected with the cloud server and is used for sending a trial play request, receiving audio and video streaming and outputting a game picture; the cloud server is used for starting a cloud game based on an SRT protocol according to the trial play request and the starting parameters of the terminal, processing the game audio and video streaming and sending the game audio and video streaming to the MFC terminal.
2. The SRT-based cloud game implementation system of claim 1,
the try-to-play request comprises terminal hardware performance and network transmission performance indexes.
3. The SRT-based cloud game implementation system of claim 2,
the starting parameters comprise video output resolution, coding format, frame rate, code rate control parameters and code rate control mode.
4. The SRT-based cloud game implementation system of claim 1,
the MFC terminal comprises a request module and an output module, wherein the request module is used for responding to a trial play request and operation of a cloud game; and the output module is used for decoding the returned cloud game audio and video streaming and rendering and outputting game pictures in real time.
5. A cloud game implementation apparatus applied to the cloud server according to claim 1,
the cloud game implementation device comprises an instruction conversion module, a capability negotiation module, an acquisition module, a coding module, a preprocessing module and a sending module, wherein the instruction conversion module is used for processing game control operation of the MFC terminal; the capability negotiation module is used for receiving a test play request sent by the MFC terminal and analyzing corresponding configuration parameters; the collection module is used for collecting picture data output from a display card and audio data output from a sound card, the coding module is used for coding the picture data and the audio data, the preprocessing module is used for formatting and packaging the coded picture data and audio data, and the sending module is used for sending the packaged picture data and audio data to an MFC terminal for decoding and playing.
6. An SRT-based cloud game implementation method, which employs the SRT-based cloud game implementation system of claim 1,
the method comprises the following steps: the MFC terminal sends a trial play request of the cloud game to the cloud server to carry out capability negotiation;
the cloud server configures cloud game starting parameters according to the analysis result of the capability negotiation and starts a cloud game;
the cloud server receives cloud game control operation from the MFC terminal and converts the cloud game control operation into a control instruction;
the cloud server responds to the control instruction to generate game picture data and audio data;
the cloud server encodes the game picture data and the audio data, and sends the encoded audio and video data to the MFC terminal for decoding and playing through the SRT protocol.
7. The SRT-based cloud game implementation method of claim 6,
the control operation signals are generated from a keyboard, a mouse and a game handle.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116758201A (en) * | 2023-08-16 | 2023-09-15 | 淘宝（中国）软件有限公司 | Rendering processing method, device and system of three-dimensional scene and computer storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116758201A (en) * | 2023-08-16 | 2023-09-15 | 淘宝（中国）软件有限公司 | Rendering processing method, device and system of three-dimensional scene and computer storage medium |
| CN116758201B (en) * | 2023-08-16 | 2024-01-12 | 淘宝（中国）软件有限公司 | Rendering processing method, device and system of three-dimensional scene and computer storage medium |
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