CN112118458A - Video distribution method and system based on fusion terminal - Google Patents
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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- H—ELECTRICITY
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- 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
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- 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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
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- H04N21/47—End-user applications
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- 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
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- 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
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Abstract
The invention discloses a video distribution method and a system based on a fusion terminal, wherein the video distribution method comprises the following steps: the page creating unit acquires a live broadcast channel list through an IPTV private network, processes the live broadcast channel list to generate a live broadcast proxy page, and sends the live broadcast proxy page to the proxy unit; the page conversion unit acquires an EPG page through an IPTV private network, modifies the EPG page to generate an EPG proxy page, and sends the EPG proxy page to the proxy unit; the proxy unit distributes the live broadcast proxy page and the EPG proxy page to corresponding user terminals, receives an operation command of the user terminals based on the live broadcast proxy page or the EPG proxy page, and sends the operation command to the play identification unit; the playing identification unit makes corresponding response according to the operation command. In the invention, a set-top box system requests an IPTV service, performs page conversion, and distributes the IPTV service to a user terminal through a proxy unit.
Description
Technical Field
The invention belongs to the field of communication, and particularly relates to a video distribution method and system based on a convergence terminal.
Background
The convergence terminal is a terminal for showing the Video service of an operator, and is provided with a set top box system and a gateway system, wherein the set top box system can be connected to a television through an HDMI (High Definition Multimedia Interface, abbreviated as HDMI) line or an AV line (Audio and Video Cable) to show the Video service. Other devices in the user's home can access the internet service through the network distribution capability of the gateway system, wherein the other devices include a mobile phone, a PAD (PAD for short), a PC (Personal Computer for short), and the like. Since the network construction of the operator IPTV (Interactive personal TV, abbreviated as IPTV) belongs to a private network, but the networks accessed by the mobile phone, PAD and PC belong to a public network, these devices cannot be connected to the IPTV private network and cannot access the IPTV service. Even if the IPTV private network can be accessed, these devices do not support the protocols required by the IPTV service, where the protocols include IGMP (Internet Group Management Protocol, abbreviated as IGMP) and RTSP (Real Time Streaming Protocol, abbreviated as RTSP), and do not support the service field extended by the operator, so these devices cannot use the IPTV service.
Disclosure of Invention
The invention provides a video distribution method and system based on a convergence terminal, aiming at solving the technical problem that a user terminal of a home local area network cannot access an IPTV service of a set top box by connecting the user terminal to a local area network distributed by a gateway system in the convergence terminal, requesting the IPTV service of an operator from an IPTV private network by a set top box system, carrying out page conversion and distributing the IPTV service to a corresponding user terminal by a proxy unit.
In order to achieve the above object, according to an aspect of the present invention, there is provided a video distribution method based on a convergence terminal, the video distribution method is applied to a video distribution system, the video distribution system includes a gateway system and a set-top box system, the gateway system includes a proxy unit, the proxy unit is configured to provide a proxy service to a user terminal, and the set-top box system includes a page creation unit, a page conversion unit, and a play identification unit;
the video distribution method comprises the following steps:
the page creating unit acquires a live broadcast channel list through an IPTV private network, processes the live broadcast channel list to generate a live broadcast proxy page, and sends the live broadcast proxy page to the proxy unit;
the page conversion unit acquires an EPG page through an IPTV private network, modifies the EPG page to generate an EPG proxy page, and sends the EPG proxy page to the proxy unit;
the proxy unit distributes the live broadcast proxy page and the EPG proxy page to corresponding user terminals, receives an operation command of the user terminals based on the live broadcast proxy page or the EPG proxy page, and sends the operation command to the play identification unit;
and the playing identification unit makes a corresponding response according to the operation command.
Preferably, the acquiring, by the page creating unit, a live channel list through an IPTV private network, processing the live channel list to generate a live proxy page, and sending the live proxy page to the proxy unit includes:
the page creating unit acquires a channel list through an IPTV private network, modifies the playing address of each channel according to a preset modification rule and generates an agent address;
and establishing a mapping relation between each channel and the corresponding proxy address to generate a live proxy page, and sending the live proxy page to the proxy unit.
Preferably, the page creating unit obtains the channel list through an IPTV private network, and modifies the play address of each channel according to a preset modification rule to generate the proxy address includes:
acquiring a channel list through an IPTV private network, and acquiring a play address starting from IGMP or RTSP for each channel;
acquiring a local area network IP address of a set top box system;
setting a video storage path on a storage space of the set-top box system;
and starting with http, and sequentially adding the local area network IP address, the storage path and the playing address after the http to generate an agent address.
Preferably, the acquiring, by the page conversion unit, the EPG page through the IPTV private network, modifying the EPG page to generate an EPG proxy page, and sending the EPG proxy page to the proxy unit includes:
the page conversion unit acquires an EPG page through an IPTV private network, and analyzes the calling logic of the EPG page to obtain a streaming media protocol corresponding to a playing object;
judging whether the streaming media protocol is suitable for the user terminal;
and if the streaming media protocol is not suitable for the user terminal, modifying the streaming media protocol according to a preset modification rule to generate an EPG proxy page.
Preferably, the modifying the streaming media protocol according to a preset modification rule to generate an EPG proxy page includes:
acquiring a streaming media protocol corresponding to each playing object, and acquiring a playing address according to the streaming media protocol;
acquiring a local area network IP address of a set top box system;
setting a video storage path on a storage space of the set-top box system;
starting with http, and sequentially adding the local area network IP address, the storage path and the playing address after the http to obtain an agent protocol;
and replacing the corresponding streaming media protocol with the proxy protocol to generate an EPG proxy page.
Preferably, the playing identification unit making a corresponding response according to the operation command includes:
the play identification unit acquires the operation type of the operation command according to a page writing method;
if the operation type is page switching operation, analyzing a new page loading address according to the page writing method, informing the page conversion unit to request a new page, rewriting the new page, and informing the user terminal to update the page through the proxy unit.
Preferably, the video distribution method further includes:
if the operation type is a playing operation, judging whether the playing command starts with http;
if the playing command starts with http, further judging whether the playing command carries a local area network IP address of the set top box system;
if the playing command carries the local area network IP address of the set top box system, acquiring a playing address, and requesting video content from an IPTV private network according to the playing address;
and caching the video content to the storage path, and informing the user terminal to acquire the corresponding video content from the storage path through the proxy unit.
Preferably, the video distribution method further includes:
judging whether the format of the video content is a video format which can be identified by the user terminal;
if the format of the video content is the video format which can be identified by the user terminal, directly storing the video content in the storage path;
and if the format of the video content is not the video format which can be identified by the user terminal, decoding the video content, encoding the decoded video content into the video format, and storing the encoded video content in the storage path.
Preferably, the user terminal is a smart phone, a PAD or a PC.
According to another aspect of the present invention, a video distribution system based on a convergence terminal is provided, where the video distribution system includes a gateway system and a set-top box system, and the gateway system and the set-top box system cooperate with each other to implement the video distribution method according to the present invention.
Generally, compared with the prior art, the technical scheme of the invention has the following beneficial effects: the invention provides a video distribution method and a system based on a fusion terminal, wherein the video distribution method is applied to a video distribution system, the video distribution system comprises a gateway system and a set-top box system, the gateway system comprises an agent unit, the agent unit is used for providing agent service for a user terminal, and the set-top box system comprises a page creation unit, a page conversion unit and a play identification unit; the video distribution method comprises the following steps: the page creating unit acquires a live broadcast channel list through an IPTV private network, processes the live broadcast channel list to generate a live broadcast proxy page, and sends the live broadcast proxy page to the proxy unit; the page conversion unit acquires an EPG page through an IPTV private network, modifies the EPG page to generate an EPG proxy page, and sends the EPG proxy page to the proxy unit; the proxy unit distributes the live broadcast proxy page and the EPG proxy page to corresponding user terminals, receives an operation command of the user terminals based on the live broadcast proxy page or the EPG proxy page, and sends the operation command to the play identification unit; the playing identification unit makes corresponding response according to the operation command.
In the invention, the user terminal is connected to the local area network distributed by the gateway system in the convergence terminal, the set-top box system requests the IPTV service of an operator from the IPTV private network, the page conversion is carried out, and the IPTV service is distributed to the corresponding user terminal through the proxy unit. The IPTV service is distributed in the home local area network by utilizing the capability of various streaming media protocols supported by the set top box system and the network distribution capability of the gateway system. In addition, the method has wide applicability, has no special requirements on operating systems of terminals such as mobile phones, PADs, televisions and the like, can be applied to Android, IOS and Linux, and only needs to support a browser, a basic HTTP protocol and basic decoding capability.
Drawings
Fig. 1 is a schematic flowchart of a video distribution method based on a convergence terminal according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a video distribution system based on a convergence terminal according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another video distribution method based on a convergence terminal according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1:
the embodiment provides a video distribution method based on a fusion terminal, which is applied to a video distribution system, wherein the video distribution system comprises a gateway system and a set-top box system, the gateway system comprises a proxy unit, the proxy unit is used for providing proxy service for a user terminal, and the set-top box system comprises a page creation unit, a page conversion unit and a play identification unit. The user terminal is a smart phone, a PAD or a PC.
After the set-top box system in the convergence terminal is started, the set-top box system acquires an IP address of the special IPTV network and an IP address of a local area network provided by the gateway system for the set-top box system. And after the set-top box system is started, initializing the proxy unit.
Wherein, the agent unit has two functions: (1) the operation command synchronization function transmits the command of the user operating the user terminal to the set-top box system through the gateway system; (2) and providing proxy service for the gateway system and the user terminal located in the same local area network, wherein the IP address pointed by the proxy unit is the local area network IP address of the set-top box system.
Referring to fig. 1, the video distribution method includes the steps of:
step 101: the page creating unit acquires a live broadcast channel list through an IPTV private network, processes the live broadcast channel list to generate a live broadcast proxy page, and sends the live broadcast proxy page to the proxy unit.
The set-top box system can acquire an Electronic Program Guide (EPG) page and a live video from an IPTV private network, and can browse information or perform video on demand through the EPG page.
Because the live channel of the IPTV is sent to the set-top box in the channel list mode after the user passes the authentication, and the channel list is the play address based on the IGMP or RTSP protocol, the user terminal used by the user generally does not support the protocol, and cannot access the live service of the IPTV through the play address based on the IGMP protocol or the RTSP protocol.
In this embodiment, in order to ensure that the user terminal can access the live broadcast service of the IPTV, the live broadcast channel list needs to be converted into a live broadcast proxy page, and the user terminal can access the corresponding live broadcast service through the live broadcast proxy page.
In step 101, the method specifically includes: the page creating unit acquires a channel list through an IPTV private network, modifies the playing address of each channel according to a preset modification rule to generate an agent address, establishes mapping between each channel and the corresponding agent address to generate a live broadcast agent page, and sends the live broadcast agent page to the agent unit.
In this embodiment, the rewriting manner of the playing address is specifically as follows: acquiring a channel list through an IPTV private network, and acquiring a play address starting from IGMP or RTSP for each channel; acquiring a local area network IP address of a set top box system; setting a video storage path on a storage space of the set-top box system; and starting with http, and sequentially adding the local area network IP address, the storage path and the playing address after the http to generate an agent address.
For example, if the broadcast address of channel 1 is IGMP://10.192.1.20:8888, the local area network IP address of the set-top box system is 192.168.0.254, and the storage path is data/channel, the proxy address obtained by modifying the broadcast address is: http:// 192.168.0.254/data/channel? source IGMP://10.192.1.20: 8888.
Step 102: the page conversion unit acquires an EPG page through an IPTV private network, modifies the EPG page, generates an EPG proxy page, and sends the EPG proxy page to the proxy unit.
When a user operates an EPG page on a user terminal, there are two cases: (1) triggering page jump, for example, a user browses and consults through an EPG page; (2) the request service is triggered, and the Streaming media protocols supported by the request service are various, such as HLS (HTTP Live Streaming, abbreviated as HLS)/HTTP (HTTP), etc. supported by the user terminal, RTSP not supported by the user terminal, and operator extension protocols not supported by the user terminal, such as extended HLS and FCC (Fast Channel Change, abbreviated as FCC), etc.
Therefore, the EPG page needs to be modified to ensure that the EPG page can jump or play the corresponding video correctly when the user terminal operates the EPG page.
In step 102, the method specifically includes: the page conversion unit acquires an EPG page through an IPTV private network, analyzes the calling logic of the EPG page to obtain a streaming media protocol corresponding to a playing object, and judges whether the streaming media protocol is suitable for the user terminal; if the streaming media protocol is not suitable for the user terminal, modifying the streaming media protocol according to a preset modification rule to generate an EPG proxy page; if the streaming media protocol is suitable for the user terminal, the streaming media protocol does not need to be modified. For example, when the streaming media protocol corresponding to the playing object is HLS or HTTP, the streaming media protocol does not need to be modified, and when the streaming media protocol corresponding to the playing object is RTSP, extended HLS, and FCC, the streaming media protocol needs to be modified.
In this embodiment, the method of rewriting the protocol specifically includes: acquiring a streaming media protocol corresponding to each playing object, and acquiring a playing address according to the streaming media protocol; acquiring a local area network IP address of a set top box system; setting a video storage path on a storage space of the set-top box system; starting with http, and sequentially adding the local area network IP address, the storage path and the playing address after the http to obtain an agent protocol; and replacing the corresponding streaming media protocol by the proxy protocol to generate an EPG proxy page.
For example, the playing address of a video on demand is RTSP://10.192.1.20:8888, the local area network IP address of the set-top box system is 192.168.0.254, the storage path is data/movie, and the rewritten address is http:// 192.168.0.254/data/movie? source RTSP://10.192.1.20: 8888.
Step 103: the proxy unit distributes the live broadcast proxy page and the EPG proxy page to corresponding user terminals, receives an operation command of the user terminals based on the live broadcast proxy page or the EPG proxy page, and sends the operation command to the play identification unit.
Step 104: and the playing identification unit makes a corresponding response according to the operation command.
In this embodiment, the play identification unit obtains the operation type of the operation command according to a page writing method; if the operation type is page switching operation, analyzing a new page loading address according to a page writing method, informing a set top box system to request a new page, rewriting the new page, and informing the user terminal to update the page through an agent unit.
The page writing method may carry a playing address, a channel number, or a link of a new page of an operation object, if the page writing method may carry the playing address or the channel number, the operation type is a playing operation, and if the page writing method may carry the link of the new page, the operation type is a page switching operation.
For example, in the page writing method, there is a link where < link rel ═ dprefetch "href ═ v/iptv.dianbo.com" > is linked, where// iptv.dianbo.com is the loading address of the new page, and the set-top box system loads the page// iptv.dianbo.com to obtain the new page, and rewrites the new page, and notifies the user terminal to update the page through the proxy unit.
If the operation type is a playing operation, judging whether the playing command starts with http, and if the playing command starts with http, further judging whether the playing command carries the local area network IP address of the set top box system; if the playing command carries the local area network IP address of the set top box system, acquiring a playing address, and requesting video content from an IPTV private network according to the playing address; and storing the video content in the storage path, and informing the user terminal to acquire the corresponding video content from the storage path through the proxy unit.
In a specific application scenario, the video content needs to be selectively encoded according to the format of the video content, so that it is ensured that the user terminal can identify the corresponding video content. In this embodiment, it is determined whether the format of the video content is a video format that can be identified by the user terminal; if the format of the video content is the video format which can be identified by the user terminal, directly storing the video content in the storage path; and if the format of the video content is not the video format which can be identified by the user terminal, decoding the video content, encoding the decoded video content into the video format, and storing the encoded video content in the storage path. The video format may be h.264 or h.265.
For example, play command http:// 192.168.0.254/data/channel? And if the source is RTSP://10.192.1.20:8888, the set-top box system requests the video content from the IPTV network by using the IPTV private network after the source is taken. After decoding and encoding the content, store in? Before source and after http://192.168.0.254 is the address of the content, i.e. the storage path of the video is/data/channel. And finally, the agent unit informs the user terminal to acquire corresponding video content from the/data/channel. According to the process, the media content of the set-top box system can be accessed by the user terminal through the local area network.
The beneficial effects of this embodiment at least include: (1) the user terminal is connected to the local area network distributed by the gateway system in the convergence terminal, the set-top box system requests an operator IPTV service from the IPTV private network, page conversion is carried out, and the IPTV service is distributed to the corresponding user terminal through the proxy unit. (2) The IPTV service is distributed in the home LAN by utilizing the capabilities of various streaming media protocols supported by the set-top box system, the decoding capability and the encoding capability of the set-top box system and the network distribution capability of the gateway system. (3) The method has wide applicability, has no special requirements on operating systems of terminals such as mobile phones, PADs, televisions and the like, can be applied to Android, IOS and Linux, and only needs to support a browser, a basic HTTP protocol and basic decoding capability.
Example 2:
in combination with embodiment 1, this embodiment provides a video distribution system based on a convergence terminal, where the video distribution system includes a gateway system and a set-top box system, the gateway system includes an agent unit, the set-top box system includes a page creation unit, a page conversion unit, and a play identification unit, and the gateway system and the set-top box system cooperate with each other to implement the video distribution method of embodiment 1.
Specifically, the page creation unit is configured to acquire a live channel list through an IPTV private network, process the live channel list, generate a live proxy page, and send the live proxy page to the proxy unit. The page creating unit is specifically configured to acquire a channel list through an IPTV private network, modify a broadcast address of each channel according to a preset rewrite rule to generate an agent address, create a mapping between each channel and a corresponding agent address, generate a live broadcast agent page, and send the live broadcast agent page to the agent unit. The preset rewrite rule is described in embodiment 1, and is not described herein.
The page conversion unit is used for acquiring an EPG page through an IPTV private network, modifying the EPG page and generating an EPG proxy page. The page conversion unit is specifically used for acquiring an EPG page through an IPTV private network, analyzing the calling logic of the EPG page and obtaining a streaming media protocol corresponding to a playing object; judging whether the streaming media protocol supports the user terminal; and if the streaming media protocol does not support the user terminal, modifying the streaming media protocol according to a preset rule to generate an EPG proxy page. The preset rewrite rule is described in embodiment 1, and is not described herein.
The playing identification unit is used for making corresponding correspondence according to the operation type of the operation command, and the specific working mode is as follows: when the operation type of the operation command is a play command, the play conversion unit is used for judging whether the play command starts with http; if the playing command starts with http, further judging whether the playing command carries a local area network IP address of the set top box system; if the playing command carries the local area network IP address of the set top box system, acquiring a playing address starting from IGMP or RTSP, and requesting video content from an IPTV private network according to the playing address starting from IGMP or RTSP; and caching the video content to the storage path, and informing the intelligent terminal to acquire the corresponding video content from the storage path through the proxy unit. If the operation type of the operation command is page switching operation, analyzing a new page loading address according to a page writing method, informing a set top box system to request a new page, rewriting the new page, and informing the user terminal to update the page through an agent unit.
The proxy unit is used for distributing the live broadcast proxy page and the EPG proxy page to corresponding user terminals, receiving operation commands of the user terminals based on the live broadcast proxy page or the EPG proxy page, and sending the operation commands to the set-top box system, so that the set-top box system makes corresponding responses according to the operation commands.
The following briefly describes a video distribution process of the video distribution system of this embodiment, and a specific implementation process of each step may refer to embodiment 1, which is not described herein again:
step 201: after a set top box system in a video distribution system is started, the set top box system acquires a live broadcast channel list, and a page creation unit rewrites the live broadcast channel list according to rules to generate a live broadcast proxy page;
step 202: informing an agent unit of a gateway system to update a live broadcast agent page;
step 203: the set top box system acquires an EPG page, rewrites the EPG page according to rules and generates an EPG proxy page;
step 204: informing a proxy unit of a gateway system to update an EPG proxy page;
step 205: a user terminal connected to a local area network of the gateway system accesses the proxy unit, acquires an EPG proxy page or a live broadcast proxy page, and operates the page to generate an operation command;
step 206: the agent unit sends the operation command to the playing identification unit;
step 207: the playing identification unit judges the operation type, if the operation type is the playing operation, step 208 is executed; if the page jump operation is performed, go to step 209;
step 208: acquiring a play address and a storage path, requesting video content from an IPTV private network according to the play address, decoding the video content, caching the decoded video content to the corresponding storage path, and informing a user terminal of acquiring the corresponding video content from the storage path through an agent unit;
step 209: and acquiring a new page loading address, informing the set-top box system to request a new page, rewriting the new page, and informing the user terminal to update the page through the proxy unit.
In this embodiment, the user terminal is connected to the local area network allocated by the gateway system in the convergence terminal, the set-top box system requests the IPTV service of the operator from the IPTV private network, performs page conversion, and distributes the IPTV service to the corresponding user terminal through the proxy unit. The IPTV service is distributed in the home LAN by utilizing the capabilities of various streaming media protocols supported by the set-top box system, the decoding capability and the encoding capability of the set-top box system and the network distribution capability of the gateway system. In addition, the method has wide applicability, has no special requirements on operating systems of terminals such as mobile phones, PADs, televisions and the like, can be applied to Android, IOS and Linux, and only needs to support a browser, a basic HTTP protocol and basic decoding capability.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A video distribution method based on a fusion terminal is characterized in that the video distribution method is applied to a video distribution system, the video distribution system comprises a gateway system and a set-top box system, the gateway system comprises an agent unit, the agent unit is used for providing agent service for a user terminal, and the set-top box system comprises a page creation unit, a page conversion unit and a play identification unit;
the video distribution method comprises the following steps:
the page creating unit acquires a live broadcast channel list through an IPTV private network, processes the live broadcast channel list to generate a live broadcast proxy page, and sends the live broadcast proxy page to the proxy unit;
the page conversion unit acquires an EPG page through an IPTV private network, modifies the EPG page to generate an EPG proxy page, and sends the EPG proxy page to the proxy unit;
the proxy unit distributes the live broadcast proxy page and the EPG proxy page to corresponding user terminals, receives an operation command of the user terminals based on the live broadcast proxy page or the EPG proxy page, and sends the operation command to the play identification unit;
and the playing identification unit makes a corresponding response according to the operation command.
2. The video distribution method according to claim 1, wherein the page creation unit obtains a live channel list through an IPTV private network, processes the live channel list to generate a live proxy page, and sends the live proxy page to the proxy unit includes:
the page creating unit acquires a channel list through an IPTV private network, modifies the playing address of each channel according to a preset modification rule and generates an agent address;
and establishing a mapping relation between each channel and the corresponding proxy address to generate a live proxy page, and sending the live proxy page to the proxy unit.
3. The video distribution method according to claim 2, wherein the page creation unit obtains the channel list through an IPTV private network, and generates the proxy address by modifying the broadcast address of each channel according to a preset modification rule, including:
acquiring a channel list through an IPTV private network, and acquiring a play address starting from IGMP or RTSP for each channel;
acquiring a local area network IP address of a set top box system;
setting a video storage path on a storage space of the set-top box system;
and starting with http, and sequentially adding the local area network IP address, the storage path and the playing address after the http to generate an agent address.
4. The video distribution method of claim 1, wherein the page conversion unit obtains an EPG page through an IPTV private network, modifies the EPG page to generate an EPG proxy page, and sends the EPG proxy page to the proxy unit includes:
the page conversion unit acquires an EPG page through an IPTV private network, and analyzes the calling logic of the EPG page to obtain a streaming media protocol corresponding to a playing object;
judging whether the streaming media protocol is suitable for the user terminal;
and if the streaming media protocol is not suitable for the user terminal, modifying the streaming media protocol according to a preset modification rule to generate an EPG proxy page.
5. The video distribution method of claim 4, wherein the modifying the streaming media protocol according to the preset modification rule to generate the EPG proxy page comprises:
acquiring a streaming media protocol corresponding to each playing object, and acquiring a playing address according to the streaming media protocol;
acquiring a local area network IP address of a set top box system;
setting a video storage path on a storage space of the set-top box system;
starting with http, and sequentially adding the local area network IP address, the storage path and the playing address after the http to obtain an agent protocol;
and replacing the corresponding streaming media protocol with the proxy protocol to generate an EPG proxy page.
6. The video distribution method according to claim 5, wherein the response of the play identification unit in accordance with the operation command comprises:
the play identification unit acquires the operation type of the operation command according to a page writing method;
if the operation type is page switching operation, analyzing a new page loading address according to the page writing method, informing the page conversion unit to request a new page, rewriting the new page, and informing the user terminal to update the page through the proxy unit.
7. The video distribution method according to claim 3 or 6, characterized in that the video distribution method further comprises:
if the operation type is a playing operation, judging whether the playing command starts with http;
if the playing command starts with http, further judging whether the playing command carries a local area network IP address of the set top box system;
if the playing command carries the local area network IP address of the set top box system, acquiring a playing address, and requesting video content from an IPTV private network according to the playing address;
and caching the video content to the storage path, and informing the user terminal to acquire the corresponding video content from the storage path through the proxy unit.
8. The video distribution method according to claim 7, wherein the video distribution method further comprises:
judging whether the format of the video content is a video format which can be identified by the user terminal;
if the format of the video content is the video format which can be identified by the user terminal, directly storing the video content in the storage path;
and if the format of the video content is not the video format which can be identified by the user terminal, decoding the video content, encoding the decoded video content into the video format, and storing the encoded video content in the storage path.
9. The video distribution method according to claim 1, wherein the user terminal is a smartphone, a PAD, or a PC.
10. A video distribution system based on a converged terminal, wherein the video distribution system comprises a gateway system and a set-top box system, and the gateway system and the set-top box system are matched with each other to realize the video distribution method according to any one of claims 1 to 9.
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