CN113242463B - Method for enhancing screen projection interaction capability through expanded parameters - Google Patents
Method for enhancing screen projection interaction capability through expanded parameters Download PDFInfo
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- CN113242463B CN113242463B CN202110325439.1A CN202110325439A CN113242463B CN 113242463 B CN113242463 B CN 113242463B CN 202110325439 A CN202110325439 A CN 202110325439A CN 113242463 B CN113242463 B CN 113242463B
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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
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/51—Discovery or management thereof, e.g. service location protocol [SLP] or web services
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- Human Computer Interaction (AREA)
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Abstract
The invention relates to the technical field of screen projection, in particular to a method for enhancing screen projection interaction capacity through extended parameters, which comprises a mobile phone APP, a screen projection scheduling service module, a manufacturer middle station, a third party APP screen projection service module and a manufacturer self-owned screen projection service module, wherein firstly, an object parameter is added to the tail part of an SSDP request packet of the screen projection scheduling service module by the mobile phone APP, and a receiver is appointed; then the vendor self screen projection service module searches the application package name in the system according to the object parameter; judging whether the manufacturer has an application package name in the screen-casting service module; if the request is sent to the DLNA service of the application package name for processing, and if the request is not sent to the default DLNA service processing of the system, each video platform can customize own special service based on a screen projection protocol, so that the user does not need to worry about that the customized service cannot be realized, and the controllability of platform content management is realized 1; 2. APP interaction experience is improved; 3. the vendor advertising inventory increases. And is compatible with the traditional screen projection protocol.
Description
Technical Field
The invention relates to the technical field of screen projection, in particular to a method for enhancing screen projection interaction capacity by expanding parameters.
Background
And the mobile phone can not be used for screen projection service when the mobile phone is required to be used for screen projection. DLNA basically covers non-apple devices, but cannot meet the special requirements of domestic manufacturers, so many large video websites are upgraded based on DLNA, for example, after screen projection, a remote controller can be used for selecting sets and definition, history records can be reported, and the like, which are not supported by standard DLNA services. Therefore, the problem comes that the Aiqiyi mobile phone version is projected to the DLNA service preset by television manufacturers, the function of the plate making cannot be realized, and the standard DLNA does not support the operations.
Disclosure of Invention
In view of the above, the present invention provides a method for enhancing screen-casting interaction capability by expanding parameters, which includes a mobile phone APP, a screen-casting scheduling service module, a manufacturer middle station, a third party APP screen-casting service module, and a manufacturer own screen-casting service module, and is specifically executed according to the following steps,
s1, adding an object parameter into the tail part of an SSDP request packet of a screen projection scheduling service module by a mobile phone APP, and designating a receiving party; wherein the SSDP request packet specifically includes a protocol name, a version number, a maximum latency of a device response, a searched device type, a type of a protocol query, device information of a transmission request, and a multicast address.
As is well known, DLNA is a protocol stack composed of a set of protocols, and a CP (control point) searches for devices and services available in a local area network in compliance with SSDP (simple service discovery protocol). The format of the request is as follows:
M-SEARCH HTTP/1.1// protocol name and version number,
N-MX:1// maximum latency of device response
ST, upnp, rootdevice// search device Type, ssdp, all/UUID, device-UUID/urn, schema, upnp, device-Type, and version
MAN type of ssdp discovery/protocol query must be ssdp discovery user-Agent iOS10.2.1product/version// device information Connection closure of transmission request
239.255.255.250// multicast address
object/package name of service
S2, searching the application package name in the system according to the object parameter by the self screen-throwing service module of the manufacturer;
s3, judging whether the vendor has an application package name in the screen projection service module;
and S4, if the request is processed, the request of the designated receiver is sent to the DLNA service of the application package name to be processed, and if the request is not processed, the request is sent to the default DLNA service of the system to be processed.
Further, the system service of the center station of the manufacturer shields the DLNA service of all third parties, and then the screen-casting scheduling service module checks all packet names providing the DLNA service in the system after being started, and updates the registration information. After receiving the screen projection request, the vendor-owned screen projection service module reads the object parameter, refers to the DLNA service of the package according to the package name specified by the parameter, and then forwards the request to the service for processing.
Further, if the screen projection service system owned by the manufacturer does not install the package, the default screen projection service processing of the system is called; if the object parameter is not contained in the request, the default screen projection service system processing of the vendor is called.
According to the method for enhancing the screen-casting interaction capability through the extended parameters, each video (or other content) platform can customize own special service based on the screen-casting protocol, and the situation that the customized service cannot be realized is avoided. Meanwhile, the controllable platform content is realized 1; 2. APP interaction experience is improved; 3. the vendor advertising inventory increases. And is compatible with the traditional screen projection protocol.
Drawings
FIG. 1 is a system block diagram of the present invention;
Detailed Description
While the invention will be described in detail in connection with the drawings and specific embodiments, it should be understood that the described embodiments are only some of the embodiments of the present application, and not all embodiments, and all other embodiments, which can be obtained by those skilled in the art without making any creative effort, based on the embodiments in the present application, belong to the protection scope of the present application.
In this embodiment, as shown in fig. 1, the present invention includes a mobile phone APP, a screen-casting scheduling service module, a manufacturer middle station, a third party APP screen-casting service module, and a manufacturer own screen-casting service module, which is specifically executed according to the following steps,
s1, adding an object parameter into the tail part of an SSDP request packet of a screen projection scheduling service module by a mobile phone APP, and designating a receiving party; wherein the SSDP request packet specifically includes a protocol name, a version number, a maximum latency of a device response, a searched device type, a type of protocol query, device information of a transmission request, and a multicast address.
As is well known, DLNA is a protocol stack composed of a set of protocols, and a CP (control point) searches for devices and services available in a local area network in compliance with SSDP (simple service discovery protocol). The format of the request is as follows:
M-SEARCH HTTP/1.1// protocol name and version number,
N-MX:1// maximum latency of device response
ST, upnp, rootdevice// search device Type, ssdp, all/UUID, device-UUID/urn, schema, upnp, device-Type, version
MAN type of ssdp discovery/protocol query must be ssdp discovery user-Agent iOS10.2.1product/version// device information Connection closure of transmission request
239.255.255.250// multicast address
object packet name of service
S2, the vendor self screen projection service module searches the application package name in the system according to the object parameter; s3, judging whether the vendor has an application package name in the screen projection service module;
and S4, if the request is processed, the request of the designated receiver is sent to the DLNA service of the application package name to be processed, and if the request is not processed, the request is sent to the default DLNA service of the system to be processed.
In this embodiment, the system service of the console in the manufacturer shields the DLNA services of all third parties, and then the screen-casting scheduling service module starts up and checks all packet names providing the DLNA services in the system, and updates the registration information. After receiving the screen projection request, the vendor-owned screen projection service module reads the object parameter, refers to the DLNA service of the package according to the package name specified by the parameter, and then forwards the request to the service for processing. If the screen-casting service system owned by the manufacturer does not install the package, calling default screen-casting service processing of the system; if the object parameter is not contained in the request, the default screen projection service system processing of the vendor is called.
In this embodiment, when the mobile phone APP side requests screen projection, an object parameter needs to be taken, and who receives the screen projection request is specified. Specific example codes are as follows:
M-SEARCH HTTP/1.1// protocol name and version number
MX:1// maximum latency for device response
ST, upnp, rootdevice// search device Type, ssdp, all/UUID, device-UUID/urn, schema, upnp, device-Type, version
MAN type of ssdp discovery/protocol query must be ssdp discovery user-Agent iOS10.2.1product/version// device information Connection closure of transmission request
239.255.255.250// multicast address
Com, gitvdemo, video// hopefully Galaxy fruit.
In the television end of this embodiment, the system service of the television end needs to shield DLNA services of all third parties. And after the system service is started, checking all packet names providing DLNA service in the system, and updating the registration information. And after receiving the screen projection request, the system service reads the object parameter, pulls up the DLNA service of the packet according to the packet name specified by the parameter, and then forwards the request to the service for processing. If the system does not install the package, calling default screen projection service processing of the system; if the object parameter is not contained in the request, the default screen projection service processing of the system is also called.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims. The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (5)
1. A method for enhancing screen projection interaction capability through extended parameters is characterized by comprising the following steps: comprises a mobile phone APP, a screen-casting scheduling service module, a manufacturer middle station, a third party APP screen-casting service module and a manufacturer self-owned screen-casting service module, and is specifically executed according to the following steps,
s1, adding an object parameter into the tail part of an SSDP request packet of a screen projection scheduling service module by a mobile phone APP, and designating a receiving party; the SSDP request packet specifically comprises a protocol name, a version number, the longest waiting time of device response, a searched device type, a type of protocol query, device information of a sending request and a multicast address;
s2, the vendor self screen projection service module searches the application package name in the system according to the object parameter;
s3, judging whether the vendor has an application package name in the screen projection service module;
and S4, if the DLNA service is available, the request of the designated receiver is sent to the DLNA service of the application package name for processing, and if the DLNA service is not available, the request is sent to the DLNA service processing which is defaulted by the system.
2. The method of claim 1, wherein the method comprises the following steps: an object parameter is added to the end of the SSDP request packet in step S1 to specify the receiving side.
3. The method of claim 1, wherein the method comprises the following steps: and shielding the DLNA service of all third parties by the system service of the middle station of the manufacturer, then checking all packet names providing the DLNA service in the system after a screen-casting scheduling service module is started, and updating registration information.
4. The method of claim 3, wherein the method comprises the following steps: after receiving the screen projection request, the vendor-owned screen projection service module reads the object parameter, refers to the DLNA service of the package according to the package name specified by the parameter, and then forwards the request to the service for processing.
5. The method of claim 4, wherein the method comprises the following steps: if the screen projection service system owned by the manufacturer does not install the package, calling default screen projection service processing of the system; if the object parameter is not contained in the request, the default screen projection service system processing of the vendor is called.
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| CN104104929A (en) * | 2014-02-11 | 2014-10-15 | 中兴通讯股份有限公司 | Remote projection method, device and system |
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