CN113852854A - Video plug-flow and pull-flow realization method and system based on Android system - Google Patents
Video plug-flow and pull-flow realization method and system based on Android system Download PDFInfo
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- CN113852854A CN113852854A CN202110919378.1A CN202110919378A CN113852854A CN 113852854 A CN113852854 A CN 113852854A CN 202110919378 A CN202110919378 A CN 202110919378A CN 113852854 A CN113852854 A CN 113852854A
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- 238000000034 method Methods 0.000 title claims abstract description 75
- 238000005516 engineering process Methods 0.000 claims abstract description 23
- 230000006870 function Effects 0.000 claims description 32
- 230000008569 process Effects 0.000 claims description 4
- 238000009795 derivation Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 14
- 238000004590 computer program Methods 0.000 description 11
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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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
- H04N21/643—Communication protocols
- H04N21/6437—Real-time Transport Protocol [RTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
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- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Computer And Data Communications (AREA)
Abstract
The invention provides a method and a system for realizing video plug-flow and pull-flow based on an Android system, wherein the method comprises the following steps: loading RTMP and RTSP video push-streaming and pull-streaming technologies to Android equipment; the collection terminal collects the video stream and pushes the video stream to the Android device through the hot spot service shared by the Android device. The method can bear the technology of bearing RTMP and RTSP video push-streaming and pull-streaming on Android equipment, can realize the transmission of real-time video with the highest 4K resolution in peer equipment, does not depend on 5G and an external server, push-streaming cloud service, on-demand service and the like, and can be applied to the realization of real-time video monitoring and transmission in a weak network or network-free environment.
Description
Technical Field
The invention relates to the field of computers, in particular to a method and a system for realizing video plug-flow and pull-flow based on an Android system.
Background
The video Streaming technology is a technology that after a terminal encapsulates acquired original video data into data in an h.264 or h.265 format, the data is sent to a server through an RTMP (Real Time Messaging Protocol) or RTSP (Real Time Streaming Protocol) Protocol, and a client can play the video data acquired by the terminal in an RTMP, RTSP, or HTTP-FLV manner.
In the traditional stream pushing technology, in a weak network environment or a no-network environment, a video stream acquired by an acquisition terminal can be pushed to a server only through a third-party live stream pushing server. The server is usually an independent server, which plays the role of receiving RTMP and RTSP streaming services, and with the wide application of Android systems in embedded electronics and automotive electronics, a lightweight streaming receiving service is urgently needed.
Disclosure of Invention
The invention provides a method and a system for realizing video plug-flow pull flow based on an Android system, aiming at the technical problems in the prior art, and overcoming the defect that the video plug-flow pull flow is realized in a weak network or non-network environment by means of a third-party server.
According to a first aspect of the present invention, a method for implementing a video push-stream-pull stream based on an Android system is provided, including: loading RTMP and RTSP video push-streaming and pull-streaming technologies to Android equipment; the collection terminal collects the video stream and pushes the video stream to the Android device through the hot spot service shared by the Android device.
On the basis of the technical scheme, the invention can be improved as follows.
Optionally, the loading the RTMP and RTSP video push-streaming and pull-streaming technologies on the Android device includes: transplanting RTMP and RSTP service terminals realized by golang to an Android platform; modifying the main starting method and adding a service starting export function of the dynamic link library; and calling the service starting export function through a JNI method and starting RTMP and RTSP services.
Optionally, the modifying the main starting method and adding a service start derivation function of the dynamic link library includes: and leaving the method of the starting entry point main of the conventional application program empty, and modifying the method of the starting of the service into a function calling method.
Optionally, the method for leaving the regular application program start entry point main method empty and modifying the service start method into a function call method includes: clearing the main method in a golang middleware layer, modifying the main method into function call, and declaring a derived function through an export keyword; compiling the golang code into an Android-supported dynamic link library using an Android NDK cross compiler, wherein the Android NDK cross compiler is designated as the golang compiler.
Optionally, invoking the service start export function and starting the RTMP and RTSP services by using the JNI method, and then: the push streaming Service triggers and starts the RTSP and RTMP Service processes after the onStartCommand in Service is started.
Optionally, the hotspot service shared by the Android device is a WiFi6 hotspot service.
According to a second aspect of the invention, a video plug-flow and pull-flow implementation system based on an Android system is provided, which comprises an acquisition terminal and Android equipment; the Android equipment is used for bearing RTMP and RTSP video push-streaming and pull-streaming technologies; and the acquisition terminal is used for acquiring the video stream and pushing the video stream to the Android equipment through the hot spot service shared by the Android equipment.
Optionally, the hotspot service shared by the Android device is a WiFi6 hotspot service.
According to a third aspect of the present invention, an electronic device is provided, which includes a memory and a processor, where the processor is configured to implement the steps of the method for implementing video plug-flow and pull-flow based on the Android system when executing a computer management class program stored in the memory.
According to a fourth aspect of the present invention, there is provided a computer-readable storage medium, on which a computer management class program is stored, which, when being executed by a processor, implements the steps of the Android system-based video push-pull stream implementation method.
The Android system-based video push-streaming and pull-streaming realization method and system can bear the technology of loading RTMP and RTSP video push-streaming and pull-streaming on Android equipment, realize the transmission of real-time video with the highest 4K resolution in peer equipment, do not depend on 5G and external servers, push-streaming cloud services, on-demand services and the like, and can be applied to realize real-time video monitoring and transmission in a weak network or network-free environment.
Drawings
Fig. 1 is a flowchart of a video plug-flow and pull-flow implementation method based on an Android system provided by the invention;
fig. 2 is a schematic structural diagram of a video plug-flow and pull-flow implementation system based on an Android system provided by the invention;
FIG. 3 is a schematic diagram of a hardware structure of a possible electronic device provided in the present invention;
fig. 4 is a schematic diagram of a hardware structure of a possible computer-readable storage medium according to the present invention.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
At present, RTMP and RTSP video streaming services are not applied to an Android platform, most video streaming needs to rely on a third-party server, a live broadcast server needs to be deployed independently in a weak network or network-free environment, and a picture transmission channel acquired by equipment is used for the live broadcast streaming server.
The invention completely does not need to rely on a third-party live broadcast stream pushing server, can be competent for receiving and forwarding the stream pushing of the video picture of 4K level by means of the golang protocol technology, provides a termination point access mode of the HTTP-FLV protocol, and can play the stream pushing picture through a player or a browser.
Referring to fig. 1, fig. 1 provides a flowchart of a method for implementing a video plug-flow and pull-flow based on an Android system, where the method includes: 101. loading RTMP and RTSP video push-streaming and pull-streaming technologies to Android equipment; 102. the collection terminal collects the video stream and pushes the video stream to the Android device through the hot spot service shared by the Android device.
It can be understood that, first, the RTMP and RTSP video push-streaming technology is transplanted to a device (called an Android device) loaded on the Android system, and then the video push-streaming service is implemented on the Android device.
The acquisition terminal acquires video streams, the acquired video streams can be pushed to the Android device through the hot spot service shared by the Android device, and the video push-streaming and pull-streaming service can be realized on the Android system device without depending on a third-party server side in a weak network or no network environment.
The method can bear the technology of bearing RTMP and RTSP video push-streaming and pull-streaming on Android equipment, can realize the transmission of real-time video with the highest 4K resolution in peer equipment, does not depend on 5G and an external server, push-streaming cloud service, on-demand service and the like, and can be applied to the realization of real-time video monitoring and transmission in a weak network or network-free environment.
In a possible embodiment, the method for supporting the RTMP and RTSP video push-streaming-pull streaming technologies in the Android device includes: transplanting RTMP and RSTP service terminals realized by golang to an Android platform; modifying the main starting method and adding a service starting export function of the dynamic link library; and calling the service starting export function through a JNI method and starting RTMP and RTSP services.
Wherein, modifying the main starting method and adding the service starting export function of the dynamic link library comprises: and leaving the method of the starting entry point main of the conventional application program empty, and modifying the method of the starting of the service into a function calling method. The method specifically comprises the following steps: clearing the main method in a golang middleware layer, modifying the main method into function call, and declaring a derived function through an export keyword; compiling the golang code into an Android-supported dynamic link library using an Android NDK cross compiler, wherein the Android NDK cross compiler is designated as the golang compiler.
It can be understood that the specific implementation of transplanting the RTMP and RTSP video push-streaming services to the Android platform is to transplant the RTMP and RSTP servers realized by golang to the Android platform, modify the main starting method, and add the service starting export function of the dynamic link library.
At present, only RTMP and RTSP servers written by C + + are used on an Android platform, the requirements on compiling and running are high, a coroutine technology cannot be supported, transplanting is difficult, and compatibility is generally poor. The implementation of the server technology based on the golang has the advantages of cross-platform, corotation support and very convenient portability, and has the greatest characteristic of introducing the support of corotation and being capable of easily dealing with real-time transmission of high-definition videos of multiple channels.
The starting entry point of the conventional application program is a main method, the main method needs to be left empty to be compiled as the support of an Android dynamic link library, and the method for modifying the service starting is a function calling mode. The main method is cleared and modified into function call at the golang middleware layer, and the function is declared and derived through an export keyword.
Compiling the golang codes into dynamic link libraries supported by the Android by using an Android NDK cross compiling tool chain, wherein a compiler needs to be designated for the golang codes as the Android NDK cross compiler.
export
CC＝$ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/bin/aarch64-linux-android21-clang
The compiled product can expose the Service starting function to the outside, the Service starting function can be called through a JNI method, RTMP and RTSP services are started, and finally the starting entrance of the Service is realized on an Android system through Service.
The push streaming Service triggers and starts RTSP and RTMP Service processes after the onstartCommand in Service is started, and the push streaming Service of the video can be realized on the Android system.
After RTMP and RTSP video push-streaming and pull-streaming services are transplanted to an Android platform, after a collection terminal collects video streams, the collected video streams are sent to Android equipment through a hot spot service shared by the Android equipment, and the Android equipment can play the video streams.
The hotspot service shared by the Android devices includes but is not limited to a WiFi6 hotspot service, the real-time video with the highest 4K resolution can be transmitted in the peer devices, and the method can be applied to the monitoring and transmission of the real-time video in a weak network or network-free environment.
The method and the device realize the loading of RTMP and RTSP services on an Android system, thereby reducing the dependence of plug flow on 5G, WiFi in the traditional framework, gradually supporting WiFi6 hot spot service along with Android collection, providing 1.2Gbps uniflow bandwidth to the maximum extent of a video flow channel, and being enough for the real-time transmission of video flow of 4K video.
Fig. 2 is a structural diagram of a video plug-flow and pull-flow implementation system based on an Android system according to an embodiment of the present invention, and as shown in fig. 2, the video plug-flow and pull-flow implementation system based on the Android system includes an acquisition terminal 21 and an Android device 22.
The Android device 22 is used for bearing RTMP and RTSP video push-streaming and pull-streaming technologies; the acquisition terminal 21 is used for acquiring a video stream and pushing the video stream to the Android device through the hotspot service shared by the Android device.
It can be understood that the Android system-based video plug-flow and pull-flow implementation system provided by the present invention corresponds to the Android system-based video plug-flow and pull-flow implementation methods provided in the foregoing embodiments, and the relevant technical features of the Android system-based video plug-flow and pull-flow implementation system may refer to the relevant technical features of the Android system-based video plug-flow and pull-flow implementation methods, which are not described herein again.
Referring to fig. 3, fig. 3 is a schematic diagram of an embodiment of an electronic device according to an embodiment of the invention. As shown in fig. 3, an embodiment of the present invention provides an electronic device 300, which includes a memory 310, a processor 320, and a computer program 311 stored in the memory 310 and executable on the processor 320, wherein the processor 320 executes the computer program 311 to implement the following steps: loading RTMP and RTSP video push-streaming and pull-streaming technologies to Android equipment; the collection terminal collects the video stream and pushes the video stream to the Android device through the hot spot service shared by the Android device.
Referring to fig. 4, fig. 4 is a schematic diagram of an embodiment of a computer-readable storage medium according to the present invention. As shown in fig. 4, the present embodiment provides a computer-readable storage medium 400, on which a computer program 411 is stored, the computer program 411 implementing the following steps when executed by a processor: loading RTMP and RTSP video push-streaming and pull-streaming technologies to Android equipment; the collection terminal collects the video stream and pushes the video stream to the Android device through the hot spot service shared by the Android device.
The video plug-flow and pull-flow implementation method and system based on the Android system, provided by the embodiment of the invention, can bear the technology of loading RTMP and RTSP video plug-flow and pull-flow on the Android device, realize the transmission of the real-time video with the highest 4K resolution in the peer-to-peer device, do not depend on 5G and an external server, plug-flow cloud service, on-demand service and the like, and can be applied to the realization of real-time video monitoring and transmission in a weak network or network-free environment.
It should be noted that, in the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to relevant descriptions of other embodiments for parts that are not described in detail in a certain embodiment.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A video plug-flow and pull-flow realization method based on an Android system is characterized by comprising the following steps:
loading RTMP and RTSP video push-streaming and pull-streaming technologies to Android equipment;
the collection terminal collects the video stream and pushes the video stream to the Android device through the hot spot service shared by the Android device.
2. The method for implementing video push streaming and pull streaming according to claim 1, wherein the loading of the RTMP and RTSP video push streaming and pull streaming technologies on the Android device includes:
transplanting RTMP and RSTP service terminals realized by golang to an Android platform;
modifying the main starting method and adding a service starting export function of the dynamic link library;
and calling the service starting export function through a JNI method and starting RTMP and RTSP services.
3. The method of claim 2, wherein the modifying the main boot method and adding the service boot derivation function of the dynamic link library comprises:
and leaving the method of the starting entry point main of the conventional application program empty, and modifying the method of the starting of the service into a function calling method.
4. The method for implementing video push-streaming and pull-streaming according to claim 3, wherein the method for leaving empty the regular application start entry point main method and modifying service start is a function call method, comprising:
clearing the main method in a golang middleware layer, modifying the main method into function call, and declaring a derived function through an export keyword;
compiling the golang code into an Android-supported dynamic link library using an Android NDK cross compiler, wherein the Android NDK cross compiler is designated as the golang compiler.
5. The method of claim 2, wherein the invoking the service by the JNI method initiates the export function and initiates the RTMP, RTSP service, and thereafter comprises:
the push streaming Service triggers and starts the RTSP and RTMP Service processes after the onStartCommand in Service is started.
6. The method for realizing video plug-flow and pull-flow according to claim 1, wherein the hotspot service shared by the Android device is a WiFi6 hotspot service.
7. A video plug-flow and pull-flow realization system based on an Android system is characterized by comprising an acquisition terminal and Android equipment;
the Android equipment is used for bearing RTMP and RTSP video stream pushing and pulling technologies;
the acquisition terminal is used for acquiring the video stream and pushing the video stream to the Android device through the hotspot service shared by the Android device.
8. The system for implementing video push-streaming and pull-streaming according to claim 7, wherein the hotspot service shared by the Android devices is a WiFi6 hotspot service.
9. An electronic device comprising a memory, a processor for implementing the steps of implementing a video push-pull streaming method according to any of claims 1-6 when executing a computer management class program stored in the memory.
10. A computer-readable storage medium, having stored thereon a computer management class program that, when executed by a processor, performs the steps of implementing a video push-pull method according to any of claims 1-6.
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| CN113852854B (en) | 2024-02-23 |
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