CN110830341A - UPnP-based family multimedia resource sharing method and system - Google Patents
UPnP-based family multimedia resource sharing method and system Download PDFInfo
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- CN110830341A CN110830341A CN201911197255.0A CN201911197255A CN110830341A CN 110830341 A CN110830341 A CN 110830341A CN 201911197255 A CN201911197255 A CN 201911197255A CN 110830341 A CN110830341 A CN 110830341A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/283—Processing of data at an internetworking point of a home automation network
- H04L12/2834—Switching of information between an external network and a home network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
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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
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
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- Signal Processing (AREA)
- Multimedia (AREA)
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- Automation & Control Theory (AREA)
- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
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Abstract
The invention discloses a UPnP-based family multimedia resource sharing method, which relates to the technical field of family intelligent multimedia, and comprises a control node, a media server and a media player; the method comprises the following implementation processes: the control node discovers one or more media servers and media players in the local area network; the control node locates the resource on the media server; the control node selects a transmission protocol and a data type which are supported by both the media server and the media player; the control node uses the media transport service provided by the media player to control the data flow. The invention also provides a family multimedia resource sharing system based on UPnP, which is the same as the method, can realize automatic discovery and remote control of household appliances, can efficiently share media resources and exchange control information, and can easily realize a multimedia sharing function between remote networks.
Description
Technical Field
The invention relates to the technical field of household intelligent multimedia, in particular to a household multimedia resource sharing method and system based on UPnP.
Background
The UPnP is called "Universal Plug and Play" and is an extension of pnp (device Plug and Play), and can discover and control various network devices and provide corresponding services. UPnP is not just a simple extension to plug and play, but it supports "0 configuration" and wireless networks, and can automatically discover devices provided by other vendors. Under the UPnP protocol, a device can dynamically join a network, obtain an IP address, broadcast its capabilities, and learn about the capabilities of other devices. UPnP protocols can be used by a wide variety of devices, including smart devices, wireless devices. The UPnP uses standard TCP/IP and Internet protocols, so that the UPnP can be well used in the existing network, the standard protocols can make the UPnP profit from various existing experiences and knowledge, various information islands are broken, and the UPnP can cross various physical layers, be wired or wireless, so that the mutual cooperation between devices becomes a basic characteristic. UPnP uses various existing standard protocols, including TCP/IP, HTTP, HTTPU, SSDP, GENA. The use of these standardized protocols ensures interoperability between the various devices. In summary, UPnP is built on top of various protocols, rather than APIs, which enables its application on a variety of different platforms. Meanwhile, the network equipment is built on various existing standards, has great flexibility and can well meet the requirements of various network equipment at present and in the future.
Disclosure of Invention
The invention provides a method and a system for sharing home multimedia resources based on UPnP (Universal plug and Play), aiming at the characteristics of the UPnP protocol, so that various devices can quickly and conveniently join a home network and mutually acquire access, and further, media resources can be efficiently shared and control information can be exchanged.
Firstly, the invention provides a home multimedia resource sharing method based on UPnP, and the technical scheme adopted for solving the technical problems is as follows:
a home multimedia resource sharing method based on UPnP comprises a control node, a media server and a media player;
the method comprises the following implementation processes:
the control node discovers one or more media servers and media players in the local area network;
the control node locates the resource on the media server;
the control node selects a transmission protocol and a data type which are supported by both the media server and the media player;
the control node uses the media transport service provided by the media player to control the data flow.
In particular, the control node concerned uses the SSDP protocol to discover one or more media servers and media players within the local area network.
Specifically, when the control node locates the resource on the media server, it is required to specify the protocol required for transmitting data between the media server and the media player and the data format supported by them, and after these transmission parameters are determined, the control node can control the transmitted content.
More specifically, the control node controls the transmission content to play, pause, stop, fast forward and fast backward.
In particular, the data transfer involved is performed directly between the media server and the media renderer and is independent of the control node, i.e. the data transfer uses protocols other than UPnP.
Preferably, the transfer protocol used for the data transfer involved is HTTP GET.
Specifically, the control node selects a transmission protocol and a data type which are supported by both the media server and the media player, and the specific process includes:
the control node uses the content directory service provided by the media server to obtain the protocols and data types supported by the media server,
the control node uses the connection management service of the media player to retrieve the corresponding information,
the control node compares the previously obtained information and selects a transport protocol and data type that are supported by both the media server and the media player.
Secondly, the invention provides a UPnP-based family multimedia resource sharing system, and the technical scheme adopted for solving the technical problems is as follows:
a family multimedia resource sharing system based on UPnP comprises a control node, a media server and a media player;
the control node discovers one or more media servers and media players in the local area network;
the control node locates the resources on the media server, and needs to make clear the protocol needed for transmitting data between the media server and the media player and the data formats supported by them, after the transmission parameters are determined, the control node can control the transmitted content;
the control node uses the content directory service provided by the media server to obtain the protocol and data type supported by the media server, uses the connection management service of the media player to obtain the corresponding information, and selects the transmission protocol and data type supported by both the media server and the media player after comparison;
the control node uses the media transport service provided by the media player to control the data flow.
In particular, the control node concerned uses the SSDP protocol to discover one or more media servers and media players within the local area network.
In particular, the data transfer involved is performed directly between the media server and the media renderer and is independent of the control node, i.e. the data transfer uses protocols other than UPnP.
Compared with the prior art, the household multimedia resource sharing method and system based on UPnP have the following beneficial effects that:
1) the invention can realize the automatic discovery and remote control of the household appliances by utilizing the UPnP protocol, can be used for realizing the access of various devices in an AV media center, can efficiently share media resources and exchange control information, and can easily realize the multimedia sharing function among remote networks;
2) the invention can make various devices join the home network quickly and conveniently and mutually acquire access, thereby efficiently sharing media resources and exchanging control information. The method can be used for the expansion of a home multimedia network, and can also be widely used and popularized in the field of home appliances.
Detailed Description
In order to make the technical scheme, the technical problems to be solved and the technical effects of the present invention more clearly apparent, the following technical scheme of the present invention is clearly and completely described with reference to the specific embodiments.
The first embodiment is as follows:
the embodiment provides a home multimedia resource sharing method based on UPnP, which comprises three parts, namely a control node, a media server and a media player;
the method comprises the following implementation processes:
the control node discovers one or more media servers and media players in the local area network by using an SSDP protocol;
the control node locates the resources on the media server, the control node can control the transmitted content only after the transmission parameters are determined according to the protocol required for transmitting data between the media server and the media player and the data formats supported by the protocol and the media player, and the control node controls the transmitted content to play, pause, stop, fast forward and fast backward;
the control node selects a transmission protocol and a data type which are supported by both the media server and the media player;
the control node uses the media transport service provided by the media player to control the data flow.
In this embodiment, the data transfer involved is performed directly between the media server and the media renderer and is independent of the control node, i.e. the data transfer uses a protocol other than UPnP. In the embodiment, preferably, the transmission protocol used for data transmission is HTTP GET.
In this embodiment, the control node selects a transmission protocol and a data type that are supported by both the media server and the media player, and the specific process includes:
the control node uses the content directory service provided by the media server to obtain the protocols and data types supported by the media server,
the control node uses the connection management service of the media player to retrieve the corresponding information,
the control node compares the previously obtained information and selects a transport protocol and data type that are supported by both the media server and the media player.
Example two:
the embodiment provides a home multimedia resource sharing system based on UPnP, which comprises a control node, a media server and a media player;
the control node discovers one or more media servers and media players in the local area network;
the control node locates the resources on the media server, and needs to make clear the protocol needed for transmitting data between the media server and the media player and the data formats supported by them, after the transmission parameters are determined, the control node can control the transmitted content;
the control node uses the content directory service provided by the media server to obtain the protocol and data type supported by the media server, uses the connection management service of the media player to obtain the corresponding information, and selects the transmission protocol and data type supported by both the media server and the media player after comparison;
the control node uses the media transport service provided by the media player to control the data flow.
In this embodiment, the control node involved uses the SSDP protocol to discover one or more media servers and media players within the local area network.
In this embodiment, the data transfer involved is performed directly between the media server and the media renderer and is independent of the control node, i.e. the data transfer uses a protocol other than UPnP. Preferably, the transmission protocol used for the data transmission may be HTTP GET.
In summary, the method and the system for sharing the household multimedia resources based on the UPnP can utilize the UPnP protocol to realize the automatic discovery and the remote control of the household appliances, can be used for realizing the access of various devices in an AV media center, can efficiently share the media resources and exchange control information, can easily realize the multimedia sharing function between remote networks, and can be widely used and popularized in the field of household appliances.
Based on the above embodiments of the present invention, those skilled in the art should make any improvements and modifications to the present invention without departing from the principle of the present invention, and therefore, the present invention should fall into the protection scope of the present invention.
Claims (10)
1. A family multimedia resource sharing method based on UPnP is characterized by comprising a control node, a media server and a media player;
the method comprises the following implementation processes:
the control node discovers one or more media servers and media players in the local area network;
the control node locates the resource on the media server;
the control node selects a transmission protocol and a data type which are supported by both the media server and the media player;
the control node uses the media transport service provided by the media player to control the data flow.
2. A UPnP-based home multimedia resource sharing method according to claim 1, wherein the control node discovers one or more media servers and media players within the lan using SSDP protocol.
3. The UPnP-based home multimedia resource sharing method according to claim 1, wherein when the control node locates the resource on the media server, it is required to specify the protocol required for transmitting data between the media server and the media player and the data formats supported by them, and after the transmission parameters are determined, the control node can control the transmitted content.
4. The UPnP-based home multimedia resource sharing method according to claim 3, wherein the control node controls the transmission content to include play, pause, stop, fast forward and fast backward.
5. A UPnP-based home multimedia resource sharing method according to claim 3, wherein data transmission is directly performed between the media server and the media renderer, and is independent of the control node, that is, the data transmission uses a protocol other than the UPnP.
6. A UPnP-based home multimedia resource sharing method according to claim 5, wherein a transmission protocol used for data transmission is HTTP GET.
7. The method for sharing home multimedia resources based on UPnP according to claim 3, wherein the control node selects a transmission protocol and a data type that are supported by both the media server and the media player, and the specific process includes:
the control node uses the content directory service provided by the media server to obtain the protocols and data types supported by the media server,
the control node uses the connection management service of the media player to retrieve the corresponding information,
the control node compares the previously obtained information and selects a transport protocol and data type that are supported by both the media server and the media player.
8. A family multimedia resource sharing system based on UPnP is characterized by comprising a control node, a media server and a media player;
the control node discovers one or more media servers and media players in the local area network;
the control node locates the resources on the media server, and needs to make clear the protocol needed for transmitting data between the media server and the media player and the data formats supported by them, after the transmission parameters are determined, the control node can control the transmitted content;
the control node uses the content directory service provided by the media server to obtain the protocol and data type supported by the media server, uses the connection management service of the media player to obtain the corresponding information, and selects the transmission protocol and data type supported by both the media server and the media player after comparison;
the control node uses the media transport service provided by the media player to control the data flow.
9. A UPnP-based home multimedia resource sharing system as claimed in claim 8, wherein the control node discovers one or more media servers and media players within the lan using SSDP protocol.
10. A UPnP-based home multimedia resource sharing system as claimed in claim 8, wherein the data transmission is directly performed between the media server and the media renderer, and is independent of the control node, i.e., the data transmission uses a protocol other than UPnP.
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| CN201911197255.0A CN110830341A (en) | 2019-11-29 | 2019-11-29 | UPnP-based family multimedia resource sharing method and system |
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| CN201911197255.0A CN110830341A (en) | 2019-11-29 | 2019-11-29 | UPnP-based family multimedia resource sharing method and system |
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Application publication date: 20200221 |