CN103796078A - Multicast video playing method and video playing terminal - Google Patents
Multicast video playing method and video playing terminal Download PDFInfo
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- CN103796078A CN103796078A CN201410033486.9A CN201410033486A CN103796078A CN 103796078 A CN103796078 A CN 103796078A CN 201410033486 A CN201410033486 A CN 201410033486A CN 103796078 A CN103796078 A CN 103796078A
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Abstract
The invention discloses a multicast video playing method. The method comprises the steps that a multicast message sent by a multicast server is received, and format conversion is conducted on the multicast message; after a link request sent by a player is received, the multicast message with the format converted is sent to the player, and the player decodes the multicast message and plays corresponding multicast video. The invention further discloses a video playing terminal. By the adoption of the multicast video playing method and the video playing terminal, the purpose that the multicast video sent by the multicast server is played through the player of the video playing terminal is realized, a third-party player does not need to be used for playing, and therefore multicast video playing fluency and clearness are guaranteed.
Description
Technical field
The present invention relates to multimedia technology field, specially refer to a kind of player method and video playing terminal of group broadcasting video frequency.
Background technology
In current network, there are three kinds of communication modes: clean culture, broadcast, multicast (multicast), because multicast possesses the advantage of clean culture and broadcast simultaneously, therefore multicast has development prospect most.Adopt the mode of clean culture, in the time that a transmission main frame sends identical data by unicast protocol to n Receiving Host, sending main frame needs to send to n Receiving Host respectively, sends n time altogether; And the mode of employing multicast, when a transmission main frame sends identical data by multicast protocol to n Receiving Host, as long as send 1 time, its data copy and send to each Receiving Host step by step by the router in network and switch, the bandwidth resources that so both can save server resource and also can save network backbone.And, only having and send after request when multicast receive direction router, network router just copies a piece of data to recipient, thereby saves recipient's bandwidth; And broadcast mode no matter whether recipient needs, the network equipment is all sent to all broadcast messages all devices, thereby occupies in a large number recipient's access bandwidth.
The advantage having in view of multicast, the player of supporting on the market group broadcasting video frequency to play also arises at the historic moment, as VLC player etc., but in the time using third party player to have to play group broadcasting video frequency in the video playing terminal of Android system or linux system, displaying video is not smooth, make distortion, thus the result of broadcast of having a strong impact on; And the player that current video playing terminal carries does not have the function of playing group broadcasting video frequency.
Summary of the invention
Main purpose of the present invention is for a kind of player method and video playing terminal of group broadcasting video frequency are provided, the player plays group broadcasting video frequency that can carry by video playing terminal, and guarantee fluency and the definition that group broadcasting video frequency is play.
The player method that the invention provides a kind of group broadcasting video frequency, comprises step:
The multicast message that receiving group server sends, carries out format conversion by described multicast message;
When receiving after the linking request that player sends, the multicast message after format conversion is forwarded to described player, for decode described multicast message play corresponding group broadcasting video frequency of player.
Preferably, before the step of the multicast message sending at described receiving group server, also comprise step:
Set up multicast socket, monitor and whether receive the multicast message that multicast server sends.
Preferably, when receiving after the linking request of player transmission, before the multicast message after format conversion being forwarded to the step of described player, also comprise step described:
The service socket that sets up a web site, monitors and whether receives the linking request that player is initiated, and if so, sets up and the linking of described player.
Preferably, after whether described monitoring receives the step of linking request of player initiation, also comprise step:
If do not receive the linking request that player is initiated, abandon the described multicast message receiving.
Preferably, after the step linking of described foundation and described player, also comprise step:
In default link time, if do not receive the multicast message that multicast server sends, disconnection links with player.
The present invention further provides a kind of video playing terminal, comprising:
Message receiver module, the multicast message sending for receiving group server;
Document transmission module, for carrying out format conversion by described multicast message; When receiving after the linking request of player transmission, the multicast message after format conversion is forwarded to described player;
Player, for the linking request of initiating to establish the link to document transmission module; The described multicast message that the described document transmission module of decoding forwards is also play corresponding group broadcasting video frequency;
Display module, for showing described group broadcasting video frequency.
Preferably, video playing terminal also comprises:
First monitors module, for setting up multicast socket, monitors and whether receives the multicast message that multicast server sends.
Preferably, video playing terminal also comprises:
Second monitors module, for the service socket that sets up a web site, monitors and whether receives the linking request that player is initiated;
Module is set up in link, in the time receiving described linking request, sets up linking of described player and document transmission module.
Preferably, video playing terminal also comprises:
Discard module, in the time not receiving the linking request of player initiation, abandons the described multicast message receiving.
Preferably, video playing terminal also comprises:
Link disconnects module, and in default link time, if do not receive the multicast message that multicast server sends, disconnection player links with document transmission module.
The present invention, by receiving after the multicast message of multicast server transmission, carries out format conversion by this multicast message; When set up with the linking of player after, multicast message after format conversion is forwarded to player, supply player decoding multicast message and play corresponding group broadcasting video frequency, realize the group broadcasting video frequency of the player plays multicast server transmission carrying by video playing terminal, and owing to playing without use third party player, thereby guarantee fluency and the definition that group broadcasting video frequency is play.
Accompanying drawing explanation
Fig. 1 is the structural representation of video playing terminal the first embodiment of the present invention;
Fig. 2 is the structural representation of video playing terminal the second embodiment of the present invention;
Fig. 3 is the structural representation of video playing terminal of the present invention the 3rd embodiment;
Fig. 4 is the structural representation of video playing terminal of the present invention the 4th embodiment;
Fig. 5 is the structural representation of video playing terminal of the present invention the 5th embodiment;
Fig. 6 is the schematic flow sheet of player method first embodiment of group broadcasting video frequency of the present invention;
Fig. 7 is the schematic flow sheet of player method second embodiment of group broadcasting video frequency of the present invention;
Fig. 8 is the schematic flow sheet of player method the 3rd embodiment of group broadcasting video frequency of the present invention;
Fig. 9 is the schematic flow sheet of player method the 4th embodiment of group broadcasting video frequency of the present invention;
Figure 10 is the schematic flow sheet of player method the 5th embodiment of group broadcasting video frequency of the present invention.
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of player method and the video playing terminal that can play group broadcasting video frequency of group broadcasting video frequency.The multicast message sending by video playing terminal receiving group server, this multicast message is carried out to format conversion, after the player carrying with video playing terminal establishes the link, the multicast message after format conversion is forwarded to player and plays group broadcasting video frequency for it.
With reference to Fig. 1, Fig. 1 is the structural representation of video playing terminal the first embodiment of the present invention.
The video playing terminal that the present embodiment provides, comprising:
Multicast server sends the multicast message of video file to the video playing terminal in same network, the message receiver module 10 of video playing terminal receives this multicast message in real time, and multicast message is sent to document transmission module 20, by document transmission module 20, multicast message is carried out to format conversion, be converted into the form that the player 30 that carries in video playing terminal can be identified.In the present embodiment, between message receiver module 10 and document transmission module 20, can establish the link by udp protocol.Player 30 can only be play the video file of HTTP form, therefore multicast message is carried out to format conversion, and essence is in multicast message, to add HTTP head, like this, just multicast message can be converted to the HTTP form that player 30 can be identified.
When user operates video playing terminal, when the player 30 that need to carry by video playing terminal is play group broadcasting video frequency corresponding to multicast message that multicast server sends, player 30 initiates to document transmission module 20 linking request establishing the link, and can build TCP and link in the present embodiment between player 30 and document transmission module.After player 30 and document transmission module 20 establish the link, the multicast message after format conversion is forwarded to player 30 by document transmission module 20, and player 30 receives after multicast message, it is decoded, and further play the group broadcasting video frequency that this multicast message is corresponding, show this group broadcasting video frequency by display module 40 to user.
The present embodiment, by receiving after the multicast message of multicast server transmission, carries out format conversion by this multicast message; When player set up with the linking of document transmission module after, multicast message after format conversion is forwarded to player, supply player decoding multicast message and play corresponding group broadcasting video frequency, realize the group broadcasting video frequency of the player plays multicast server transmission carrying by video playing terminal, and owing to playing without use third party player, thereby guarantee fluency and the definition that group broadcasting video frequency is play.
With reference to Fig. 2, Fig. 2 is the structural representation of video playing terminal the second embodiment of the present invention.
On the basis of video playing terminal the first embodiment of the present invention, video playing terminal also comprises:
Before the multicast message sending at the message receiver module 10 receiving group servers by video playing terminal, set up multicast socket by the first monitoring module 50, and monitor and whether receive the multicast message that multicast server sends, as receive, receive this multicast message by message receiver module 10, and as do not received, message receiver module 10 continues to wait for.
Before the multicast message sending at receiving group server, set up multicast socket, and monitor and whether receive the multicast message that multicast server sends, thereby the group broadcasting video frequency that the player plays multicast server carrying by video playing terminal for realization sends provides the foundation.
With reference to Fig. 3, Fig. 3 is the structural representation of video playing terminal of the present invention the 3rd embodiment.
On the basis of first, second embodiment of video playing terminal of the present invention, video playing terminal also comprises:
Before the multicast message after format conversion is forwarded to player 30 by document transmission module 20, second of video playing terminal is monitored the module 60 service socket that sets up a web site, and monitor whether receive the linking request that player 30 is initiated, in the time receiving linking request, set up module 61 by link and set up linking between player and document transmission module 20, so that document transmission module 20 is to player 30 forwarding multicasting messages, for the corresponding group broadcasting video frequency of player plays.
Before the multicast message after format conversion is forwarded to player, the video playing terminal service socket that sets up a web site, and monitor whether receive the linking request establishing the link with document transmission module that player is initiated, further provide the foundation for realizing the group broadcasting video frequency that the player plays multicast server that carries by video playing terminal sends.
With reference to Fig. 4, Fig. 4 is the structural representation of video playing terminal of the present invention the 4th embodiment.
On the basis of video playing terminal first, second, and third embodiment of the present invention, video playing terminal also comprises:
Discard module 70, in the time not receiving the linking request of player initiation, abandons the multicast message receiving.
In the time monitoring the multicast message that whether receives multicast server transmission, as do not receive player 30 linking request establishing the link with document transmission module 20 that initiated, abandon received multicast message by discard module 70, and do not store this multicast message.That is to say, after message receiver module 10 receives the multicast message of multicast server transmission, as do not hear player 30 and initiate the linking request establishing the link with document transmission module 20, received multicast message is not carried out to any processing, and directly abandoned, only, after player 30 and document transmission module 20 establish the link, just play corresponding group broadcasting video frequency by this player 30.
With reference to Fig. 5, Fig. 5 is the structural representation of video playing terminal of the present invention the 5th embodiment.
On the basis of video playing terminal above-described embodiment of the present invention, video playing terminal also comprises:
After the linking request of initiating according to player 30 has been set up linking between player 30 and document transmission module 20, as in default link time, message receiver module 10 does not receive the multicast message that multicast server sends, and link disconnects module 80 and disconnects linking of player 30 and document transmission module 20.In the present embodiment, link time is the time linking that maintains player 30 and document transmission module 20 setting in advance, within this time period, receive the multicast message of multicast server transmission as message receiver module 10, player 30 can be play, and as within this time period civilian receiver module 10 do not receive the multicast message that multicast server sends, automatically disconnect linking of player 30 and document transmission module 20.
The present invention also provides a kind of player method of group broadcasting video frequency.
With reference to Fig. 6, the schematic flow sheet of player method the first embodiment that Fig. 6 is group broadcasting video frequency of the present invention.
The player method of the group broadcasting video frequency that the present embodiment provides, comprising:
Step S10, the multicast message that receiving group server sends, carries out format conversion by multicast message;
Multicast server sends the multicast message of video file to the video playing terminal in same network, the message receiver module 10 of video playing terminal receives this multicast message in real time, and multicast message is sent to document transmission module 20, by document transmission module 20, multicast message is carried out to format conversion, be converted into the form that the player 30 that carries in video playing terminal can be identified.In the present embodiment, between message receiver module 10 and document transmission module 20, can establish the link by udp protocol.Player 30 can only be play the video file of HTTP form, therefore multicast message is carried out to format conversion, and essence is in multicast message, to add HTTP head.
Step S20, when receiving after the linking request of player transmission, is forwarded to player by the multicast message after format conversion, supplies player decoding multicast message and plays corresponding group broadcasting video frequency.
When user operates video playing terminal, when the player 30 that need to carry by video playing terminal is play group broadcasting video frequency corresponding to multicast message that multicast server sends, player 30 initiates to document transmission module 20 linking request establishing the link, and can build TCP and link in the present embodiment between player 30 and document transmission module.After player 30 and document transmission module 20 establish the link, the multicast message after format conversion is forwarded to player 30 by document transmission module 20, and player 30 receives after multicast message, it is decoded, and further play the group broadcasting video frequency that this multicast message is corresponding.
The present embodiment, by receiving after the multicast message of multicast server transmission, carries out format conversion by this multicast message; When player set up with the linking of document transmission module after, multicast message after format conversion is forwarded to player, supply player decoding multicast message and play corresponding group broadcasting video frequency, realize the group broadcasting video frequency of the player plays multicast server transmission carrying by video playing terminal, and owing to playing without use third party player, thereby guarantee fluency and the definition that group broadcasting video frequency is play.
With reference to Fig. 7, the schematic flow sheet of player method the second embodiment that Fig. 7 is group broadcasting video frequency of the present invention.
On the basis of player method first embodiment of group broadcasting video frequency of the present invention, before execution step S10, the method also comprises:
Step S30, sets up multicast socket, monitors and whether receives the multicast message that multicast server sends.
Before the multicast message sending at the message receiver module 10 receiving group servers by video playing terminal, set up multicast socket by the first monitoring module 40, and monitor and whether receive the multicast message that multicast server sends, as receive, receive this multicast message by message receiver module 10, and as do not received, message receiver module 10 continues to wait for.
Before the multicast message sending at receiving group server, set up multicast socket, and monitor and whether receive the multicast message that multicast server sends, thereby the group broadcasting video frequency that the player plays multicast server carrying by video playing terminal for realization sends provides the foundation.
With reference to Fig. 8, the schematic flow sheet of the player method that Fig. 8 is group broadcasting video frequency of the present invention the 3rd embodiment.
On the basis of player method first embodiment of group broadcasting video frequency of the present invention, before execution step S20, the method also comprises:
Step S40, the service socket that sets up a web site, monitors and whether receives the linking request that player is initiated;
Step S41, in the time receiving the linking request of player initiation, foundation links with player.
Before the multicast message after format conversion is forwarded to player 30 by document transmission module 20, second of video playing terminal is monitored the module 50 service socket that sets up a web site, and monitor whether receive the linking request that player 30 is initiated, in the time receiving linking request, set up module 51 by link and set up linking between player and document transmission module 20, so that document transmission module 20 is to player 30 forwarding multicasting messages, for the corresponding group broadcasting video frequency of player plays.
Before the multicast message after format conversion is forwarded to player, the video playing terminal service socket that sets up a web site, and monitor whether receive the linking request establishing the link with document transmission module that player is initiated, further provide the foundation for realizing the group broadcasting video frequency that the player plays multicast server that carries by video playing terminal sends.
With reference to Fig. 9, the schematic flow sheet of the player method that Fig. 9 is group broadcasting video frequency of the present invention the 4th embodiment.
On player method first embodiment of group broadcasting video frequency of the present invention and the basis of the 3rd embodiment, after execution step S40, the method also comprises:
Step S50, if do not receive the linking request that player is initiated, abandons the multicast message receiving.
In the time monitoring the multicast message that whether receives multicast server transmission, as do not receive player 30 linking request establishing the link with document transmission module 20 that initiated, abandon received multicast message by discard module 60, and do not store this multicast message.That is to say, after message receiver module 10 receives the multicast message of multicast server transmission, as do not hear player 30 and initiate the linking request establishing the link with document transmission module 20, received multicast message is not carried out to any processing, and directly abandoned, only, after player 30 and document transmission module 20 establish the link, just play corresponding group broadcasting video frequency by this player 30.
With reference to Figure 10, the schematic flow sheet of the player method that Figure 10 is group broadcasting video frequency of the present invention the 5th embodiment.
On player method first embodiment of group broadcasting video frequency of the present invention and the basis of the 3rd embodiment, after execution step S41, the method also comprises:
Step S60, in default link time, if do not receive the multicast message that multicast server sends, disconnection links with player.
After the linking request of initiating according to player 30 has been set up linking between player 30 and document transmission module 20, as in default link time, message receiver module 10 does not receive the multicast message that multicast server sends, and disconnects linking of player 30 and document transmission module 20.In the present embodiment, link time is the time linking that maintains player 30 and document transmission module 20 setting in advance, within this time period, receive the multicast message of multicast server transmission as message receiver module 10, player 30 can be play, and as within this time period civilian receiver module 10 do not receive the multicast message that multicast server sends, automatically disconnect linking of player 30 and document transmission module 20.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a player method for group broadcasting video frequency, is characterized in that, comprises step:
The multicast message that receiving group server sends, carries out format conversion by described multicast message;
When receiving after the linking request that player sends, the multicast message after format conversion is forwarded to described player, for decode described multicast message play corresponding group broadcasting video frequency of player.
2. the player method of group broadcasting video frequency as claimed in claim 1, is characterized in that, before the step of the multicast message sending at described receiving group server, also comprises step:
Set up multicast socket, monitor and whether receive the multicast message that multicast server sends.
3. the player method of group broadcasting video frequency as claimed in claim 2, is characterized in that, when receiving after the linking request of player transmission, before the multicast message after format conversion being forwarded to the step of described player, also comprises step described:
The service socket that sets up a web site, monitors and whether receives the linking request that player is initiated, and if so, sets up and the linking of described player.
4. the player method of group broadcasting video frequency as claimed in claim 3, is characterized in that, after whether described monitoring receives the step of linking request of player initiation, also comprises step:
If do not receive the linking request that player is initiated, abandon the described multicast message receiving.
5. the player method of group broadcasting video frequency as claimed in claim 4, is characterized in that, after the step linking of described foundation and described player, also comprises step:
In default link time, if do not receive the multicast message that multicast server sends, disconnection links with player.
6. a video playing terminal, is characterized in that, comprising:
Message receiver module, the multicast message sending for receiving group server;
Document transmission module, for carrying out format conversion by described multicast message; When receiving after the linking request of player transmission, the multicast message after format conversion is forwarded to described player;
Player, for the linking request of initiating to establish the link to document transmission module; The described multicast message that the described document transmission module of decoding forwards is also play corresponding group broadcasting video frequency;
Display module, for showing described group broadcasting video frequency.
7. video playing terminal as claimed in claim 6, is characterized in that, also comprises:
First monitors module, for setting up multicast socket, monitors and whether receives the multicast message that multicast server sends.
8. video playing terminal as claimed in claim 7, is characterized in that, also comprises:
Second monitors module, for the service socket that sets up a web site, monitors and whether receives the linking request that player is initiated;
Module is set up in link, in the time receiving described linking request, sets up linking of described player and document transmission module.
9. video playing terminal as claimed in claim 8, is characterized in that, also comprises:
Discard module, in the time not receiving the linking request of player initiation, abandons the described multicast message receiving.
10. video playing terminal as claimed in claim 9, is characterized in that, also comprises:
Link disconnects module, and in default link time, if do not receive the multicast message that multicast server sends, disconnection player links with document transmission module.
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| CN201410033486.9A CN103796078A (en) | 2014-01-23 | 2014-01-23 | Multicast video playing method and video playing terminal |
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| CN201410033486.9A CN103796078A (en) | 2014-01-23 | 2014-01-23 | Multicast video playing method and video playing terminal |
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Application publication date: 20140514 |