CN103533401B - Stream medium data switching player method and player - Google Patents
Stream medium data switching player method and player Download PDFInfo
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- CN103533401B CN103533401B CN201310499612.5A CN201310499612A CN103533401B CN 103533401 B CN103533401 B CN 103533401B CN 201310499612 A CN201310499612 A CN 201310499612A CN 103533401 B CN103533401 B CN 103533401B
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- 238000000034 method Methods 0.000 title claims abstract description 73
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- 230000004044 response Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
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- 238000010586 diagram Methods 0.000 description 4
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Abstract
The present invention provides a kind of stream medium data switching player method and player, and the method includes: target device player receives the switching command that source device player sends, and switching command includes the URL information of to be switched stream medium data and locally stored address information；In the first business process, obtain first-class media data according to locally stored address information and play, sending, to streaming media server, the request of acquisition in the second business process, described first-class media data is the stream medium data corresponding with the first moment receiving switching command；Receiving second media data playing out in the second business process, and stop playing first-class media data, second media data is to receive stream medium data corresponding to the second moment of the request of acquisition with streaming media server.By first playing the first-class media data obtained from the source device of same LAN, then play the second media data obtained from streaming media server, it is ensured that play the synchronization of sequential.
Description
Technical field
The invention belongs to multi-screen interactive technical field, be specifically related to a kind of stream medium data switching broadcasting side
Method and player.
Background technology
Along with the network communications technology and the development of multimedia technology, such as smart mobile phone, panel computer etc.
Equipment has become as instrument commonly used in people's life.And, under different occasions or demand,
It is desirable to be capable of, at different equipment rooms, the stream medium data play, such as audio frequency and video,
Sharing and switching broadcasting of the data such as picture, i.e. multi-screen interactive broadcasting, such as will just play on mobile phone
Video be switched on panel computer to carry out continue to play.
In prior art, when first equipment playing of needing to obtain it from streaming media server
When stream medium data switches to play out on second equipment, second equipment is it is generally required to and streaming media server
Set up and connect, and from streaming media server, obtain the above-mentioned stream medium data play continue to broadcast
Put.
In aforesaid way, second equipment is set up to be connected with streaming media server has certain time delay, makes
Must from first equipment switch to second equipment carry out stream medium data play time, cause play sequential nonsynchronous
Problem.
Summary of the invention
For problems of the prior art, the present invention provides a kind of stream medium data switching broadcasting side
Method and player, play the nonsynchronous problem of sequential in order to solve stream medium data switching in prior art.
The invention provides a kind of stream medium data switching player method, including:
Target device player receives the switching command that source device player sends, and wraps in described switching command
Include uniform resource position mark URL information and the locally stored address letter of the stream medium data of to be switched broadcasting
Breath, described source device player and described target device player are positioned in same LAN, described this locality
Storage address information be described source device player according in source device for storing described stream medium data
Storage concordance list in home server determines；
Target device player obtains first according to described locally stored address information in the first business process
Stream medium data also plays out, and sends to streaming media server and treat described in obtaining in the second business process
The acquisition request of the stream medium data that switching is play, described acquisition asks to include described URL information, institute
Stating first-class media data is to receive the first moment of described switching command with described target device player
Corresponding stream medium data；
Target device player receive in described second business process described streaming media server return,
Also play out with described second media data corresponding to request that obtain, and stop playing described first-class
Media data, described second media data is asked for receiving described acquisition with described streaming media server
Stream medium data corresponding to the second moment.
The invention provides a kind of stream medium data switching player, including:
First receiver module, for receiving the switching command that source device player sends, described switching command
Include the uniform resource position mark URL information of the stream medium data of to be switched broadcasting and locally stored
Location information, described source device player and described target device player are positioned in same LAN, described
Locally stored address information be described source device player according in source device for storing described Streaming Media number
According to home server in storage concordance list determine；
First processing module, for obtaining according to described locally stored address information in the first business process
First-class media data also plays out, and sends to streaming media server and obtain institute in the second business process
Stating the acquisition request of the stream medium data of to be switched broadcasting, described acquisition asks to include that described URL believes
Breath, described first-class media data is to receive the of described switching command with described target device player
The stream medium data that one moment is corresponding；
Second processing module, returns for receiving described streaming media server in described second business process
Obtain second media data corresponding to request with described and play out, and stop playing described the
One stream medium data, described second media data is for receive described acquisition with described streaming media server
The stream medium data corresponding to the second moment of request.
The stream medium data that the present invention provides switches player method and player, and target device player is connecing
After receiving the switching command that source device player sends, in the first business process, from this locality of source device
Server obtains the first-class media data corresponding with receiving the switching command moment and plays, meanwhile,
In the second business process, by sending, to streaming media server, the request of acquisition, so that streaming media server
Return and obtain, with receiving, the moment corresponding second media data asked, and receive this second
During stream medium data, be converted to play this second media data.Owing to target device player sets with source
Standby player is in same LAN, and the time delay communicated to connect between the two is negligible, thus works as mesh
After marking device player first obtains first-class media data from source device home server and plays, then connect
The second media number corresponding with obtaining the request moment returned by streaming media server after receiving a fixed response time
According to time, and then play this second media data, can effectively solve directly to obtain from streaming media server
The nonsynchronous problem of broadcasting sequential that stream medium data corresponding to switching command moment causes, it is achieved broadcasting
Seamless synchronization.
Accompanying drawing explanation
Fig. 1 is the flow chart of stream medium data of the present invention switching player method embodiment one；
Fig. 2 is the flow chart of stream medium data of the present invention switching player method embodiment two；
Fig. 3 is the schematic diagram of stream medium data of the present invention switching player embodiment one；
Fig. 4 is the schematic diagram of stream medium data of the present invention switching player embodiment two.
Detailed description of the invention
Fig. 1 is the flow chart of stream medium data of the present invention switching player method embodiment one, as it is shown in figure 1,
The method includes:
Step 101, target device player receive source device player send switching command, described in cut
Change instruction and include the uniform resource position mark URL information of stream medium data and this locality of to be switched broadcasting
Storage address information, described source device player and described target device player are positioned in same LAN,
Described locally stored address information be described source device player according in source device for storing described stream matchmaker
Storage concordance list in the home server of volume data determines；
In the present embodiment, source device player and target device player are in same LAN, and flow matchmaker
Body server is positioned at far-end network side, and source device player is set up even by the streaming media server with far-end
Fetch acquisition stream medium data and play out.
In the present embodiment, source device pre-builds a home server in this locality, and this home server is used for
Store the stream medium data that this source device obtains from streaming media server, and, this home server is protected
Having a storage concordance list, this storage concordance list includes the locally stored address information of stream medium data.
When source device player needs the streaming medium content it play, as audio frequency and video, picture etc. are cut
Shift to target device player carry out continue play time, in the LAN that it is residing, find this target device
Player, and send switching command to this target device player, this switching command includes that it is broadcast
The stream medium data put, the URL information of the stream medium data of the most to be switched broadcasting and locally stored address
Information.
Step 102, target device player are believed according to described locally stored address in the first business process
Breath obtains first-class media data and plays out, and sends to streaming media server in the second business process
Obtaining the acquisition request of the stream medium data of described to be switched broadcasting, described acquisition request includes described
URL information, described first-class media data refers to for receiving described switching with described target device player
The stream medium data corresponding to the first moment of order；
Step 103, target device player receive described streaming media service in described second business process
What device returned obtains second media data corresponding to request with described and play out, and stops playing
Described first-class media data, described second media data is for receiving institute with described streaming media server
State the stream medium data corresponding to the second moment of the request of acquisition.
In the present embodiment, target device player after receiving described switching command, respectively its first
With in the second business process, this switching command is processed simultaneously.
Specifically, in the first business process, according to described locally stored address information from the basis of source device
Ground server obtains first-class media data and plays out, wherein, this first-class media data be with
This target device player receives stream medium data corresponding to the first moment of described switching command.The most just
It is to say, when the first business process acquires to receive switching command from the home server of source device
The first-class media data that the first moment was starting point, and first play this first-class media data.This reality
Execute in example, owing to target device player and source device player are in same LAN, set up and connect
Time delay be negligible so that when source device player switches to target device player plays,
Seamless synchronous effect can be obtained.But, now, it is still desirable to source device player continues from stream matchmaker
Body server obtains stream medium data, i.e. keeps being connected with streaming media server.
Meanwhile, in the second business process, send to streaming media server and obtain described to be switched broadcasting
The acquisition request of stream medium data, described acquisition asks to include described URL information.Streaming media server
After receiving this acquisition request, determine the Streaming Media number of the to be switched broadcasting corresponding with this URL information
According to, and to receive the time of this acquisition request, the i.e. second moment was starting point, entered to described second
Journey returns the second media data corresponding with the second moment.Target device player is at the second business process
What the described streaming media server of middle reception returned obtains, with described, this second media data that request is corresponding
And play out, and stop playing described first-class media data.In the present embodiment, due to target device
Communication connection between player foundation and streaming media server has certain time delay, and this time delay can not be neglected
Slightly, therefore, first-class media data first play by target device player, connects with the request of acquisition when receiving
After second media data corresponding between the time receiving, be converted to play second media data, because first-class
Media data is different from the broadcasting starting point of second media data, has differed target device player and stream
Media server is set up the time of communication connection, ideally, also for the first-class media play
The time of data, therefore, when being converted to play second media data, it is also possible to realize seamless switching
Effect.
In the present embodiment, target device player receive source device player send switching command after,
In the first business process, obtain from the home server of source device and receive the switching command moment pair
The first-class media data answered also is play, meanwhile, in the second business process, by streaming media service
Device sends the request of acquisition, so that streaming media server returns corresponding with the moment receiving the request of acquisition
Second media data, and when receiving this second media data, be converted to play this second matchmaker
Volume data.Owing to target device player and source device player are in same LAN, communicate between the two
The time delay connected is negligible, thus when target device player is first from source device home server
After obtaining first-class media data and playing, then returned by streaming media server after receiving a fixed response time
With when obtaining request second media data corresponding to moment, and then play this second media data, can
Effectively to solve what the direct stream medium data corresponding from the streaming media server acquisition switching command moment caused
Play the nonsynchronous problem of sequential, it is achieved the seamless synchronization of broadcasting.
Fig. 2 is the flow chart of stream medium data of the present invention switching player method embodiment two, as in figure 2 it is shown,
The method includes:
Step 201, target device player receive the inquiry request of source device player broadcast transmission, institute
State inquiry request and include the LAN ID information at described source device player place；
Step 202, target device player determine whether and described source according to described LAN ID information
Device plays device in same LAN, if, then perform step 203, otherwise terminate；
Step 203, to described source device player send inquiry response, described inquiry response includes institute
State the identification information of target device player, so that described source device player is according to described identity mark
Communication connection set up by knowledge information and described target device player, and sends to described target device player
Described switching command；
In the present embodiment, when source device player needs the stream medium data it play to switch to mesh
When playing out on marking device player, first, source device player needs to build with target device player
Vertical communication connection.
Specifically, source device player broadcast transmission in the range of the LAN at its place carries its local
The inquiry request of net identification information, wherein, this LAN ID information can be such as LAN title,
The network address etc..Target device player, after receiving this inquiry request, is believed according to this LAN ID
Breath determine self whether with this source device player in same LAN, if, then broadcast to this source device
Putting device and send the inquiry response carrying its identification information, this identification information can be such as IP
The information such as address, port numbers.When source device player selects to determine this mesh according to this identification information
After marking device player, it is sent to switching command.
Step 204, target device player receive source device player send switching command, described in cut
Change instruction and include the uniform resource position mark URL information of stream medium data and this locality of to be switched broadcasting
Storage address information, described source device player and described target device player are positioned in same LAN,
Described locally stored address information be described source device player according in source device for storing described stream matchmaker
Storage concordance list in the home server of volume data determines；
Step 205, target device player determine the home server of source device in the first business process
In the memory space corresponding with described locally stored address information, take to Streaming Media in the second business process
Business device sends the acquisition request of the stream medium data obtaining described to be switched broadcasting, and described acquisition in request is wrapped
Include described URL information, in described memory space storage have stream medium data fragment time labelling and with institute
State the stream medium data fragment that time labelling is corresponding；
Step 206, target device player in the first business process according to described time labelling from described
Obtaining described first-class media data in memory space and play out, described first-class media data includes
Time is labeled as the stream medium data fragment in described first moment and after the time is marked at described first moment
Stream medium data fragment.
In the present embodiment, after target device player receives the switching command that source device player sends,
Its first business process obtains first-class media data according to described locally stored address information and plays.
Specifically, the first business process first according to locally stored address information in the local service of source device
Device determines the memory space of correspondence, and in this memory space, storage has the time of stream medium data fragment to mark
Note and the stream medium data fragment corresponding with described time labelling.Because usually, under stream medium data
Carrying, playing is all that the fragment divided at a time interval is carried out, therefore, and convection current matchmaker in memory space
The storage of volume data is also marked with the time.And then, the first business process is play with target device
It is foundation that device receives the first moment of switching command, searches and this first moment pair in this memory space
The time labelling answered, and obtain the stream medium data fragment corresponding to this time labelling and the time is marked at
Stream medium data fragment after this first moment, constitutes first-class media data and plays out.
In the present embodiment, the processing procedure of the second business process is consistent with embodiment illustrated in fig. 1, the most superfluous
State.
Step 207, target device player receive described streaming media service in described second business process
What device returned obtains second media data corresponding to request with described and play out, and stops playing
Described first-class media data, described second media data is for receiving institute with described streaming media server
State the stream medium data corresponding to the second moment of the request of acquisition；
Step 208, target device player send switch acknowledgment message to described source device player, with
Described source device player is made to disconnect the connection with described streaming media server.
In the present embodiment, when target device player commences play out second media data, target device
Player sends switch acknowledgment message to described source device player, so that described source device player disconnects
With the connection of described streaming media server, from streaming media server, no longer obtain the stream matchmaker of to be switched broadcasting
Volume data.
In the present embodiment, target device player receive source device player send switching command after,
This switching command is processed by its first business process and the second business process simultaneously, due to the first process
Obtain from the home server of the source device being positioned at same LAN with target device player and refer to switching
Make first-class media data corresponding to the time of reception and play in advance so that switching broadcasting has the time
Synchronicity；When first-class media data plays certain time, i.e. target device player and streaming media service
After the time needed for communication connection set up by device, conversion is play the second business process and is obtained from streaming media server
With obtain second media data corresponding to the request time of reception so that play first-class media data
Be converted to, when playing second media data, also there is synchronousness, thus ensure that source device player
Timing synchronization when switching to target device player memory stream medium data and playing, it is achieved that seamless same
Step switching.
Fig. 3 is the schematic diagram of stream medium data of the present invention switching player embodiment one, as it is shown on figure 3,
This player includes:
First receiver module 11, for receiving the switching command that source device player sends, described switching refers to
Order includes the uniform resource position mark URL information of the stream medium data of to be switched broadcasting and locally stored
Address information, described source device player and described target device player are positioned in same LAN, institute
State locally stored address information be described source device player according in source device for storing described Streaming Media
Storage concordance list in the home server of data determines；
First processing module 12, for obtaining according to described locally stored address information in the first business process
Take first-class media data and play out, sending to streaming media server in the second business process and obtain
The acquisition request of the stream medium data of described to be switched broadcasting, described acquisition asks to include that described URL believes
Breath, described first-class media data is to receive the of described switching command with described target device player
The stream medium data that one moment is corresponding；
Second processing module 13, returns for receiving described streaming media server in described second business process
That returns obtains second media data corresponding to request with described and play out, and it is described to stop broadcasting
First-class media data, described second media data obtains described in receiving with described streaming media server
Take stream medium data corresponding to the second moment of request.
The player of the present embodiment may be used for performing the technical scheme of embodiment of the method shown in Fig. 1, in fact
Existing principle is similar with technique effect, and here is omitted.
Fig. 4 is the schematic diagram of stream medium data of the present invention switching player embodiment two, as shown in Figure 4,
The present embodiment on the basis of embodiment illustrated in fig. 3, described first processing module 12, including:
Determine unit 121, with institute in the home server determining source device in the first business process
Stating the memory space that locally stored address information is corresponding, in described memory space, storage has stream medium data sheet
The time labelling of section and the stream medium data fragment corresponding with described time labelling；
Acquiring unit 122, for empty from described storage according to described time labelling in the first business process
Obtaining described first-class media data between and play out, described first-class media data includes that the time marks
The stream medium data fragment and the time that are designated as described first moment are marked at the stream matchmaker after described first moment
Volume data fragment.
Further, described player also includes:
First sending module 21, for sending switch acknowledgment message to described source device player, so that institute
State source device player and disconnect the connection with described streaming media server.
Further, described player also includes:
Second receiver module 22, for receiving the inquiry request of source device player broadcast transmission, described in look into
The request of inquiry includes the LAN ID information at described source device player place；
Determine module 23, for determining whether to play with described source device according to described LAN ID information
Device is in same LAN；
Second sending module 24, for sending inquiry response to described source device player, described inquiry rings
The identification information of described target device player should be included so that described source device player according to
Described identification information sets up communication connection with described target device player, and to described target device
Player sends described switching command.
The player of the present embodiment may be used for performing the technical scheme of embodiment of the method shown in Fig. 2, in fact
Existing principle is similar with technique effect, and here is omitted.
One of ordinary skill in the art will appreciate that: realize all or part of step of said method embodiment
Can be completed by the hardware that programmed instruction is relevant, aforesaid program can be stored in a computer-readable
Taking in storage medium, this program upon execution, performs to include the step of said method embodiment；And it is aforementioned
Storage medium include: various Jie that can store program code such as ROM, RAM, magnetic disc or CD
Matter.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (4)
1. a stream medium data switching player method, it is characterised in that including:
Target device player receives the switching command that source device player sends, and wraps in described switching command
Include uniform resource position mark URL information and the locally stored address letter of the stream medium data of to be switched broadcasting
Breath, described source device player and described target device player are positioned in same LAN, described this locality
Storage address information be described source device player according in source device for storing described stream medium data
Storage concordance list in home server determines；
Target device player obtains first according to described locally stored address information in the first business process
Stream medium data also plays out, and sends to streaming media server and treat described in obtaining in the second business process
The acquisition request of the stream medium data that switching is play, described acquisition asks to include described URL information, institute
Stating first-class media data is to receive the first moment of described switching command with described target device player
Corresponding stream medium data；
Target device player receive in described second business process described streaming media server return,
Also play out with described second media data corresponding to request that obtain, and stop playing described first-class
Media data, described second media data is asked for receiving described acquisition with described streaming media server
Stream medium data corresponding to the second moment；
Described target device player obtains according to described locally stored address information in the first business process
First-class media data also plays out, and described first-class media data is and described target device player
Receive stream medium data corresponding to the moment of described switching command, including:
Described target device player determine in the first business process in the home server of source device with institute
Stating the memory space that locally stored address information is corresponding, in described memory space, storage has stream medium data sheet
The time labelling of section and the stream medium data fragment corresponding with described time labelling；
Described target device player is empty from described storage according to described time labelling in the first business process
Obtaining described first-class media data between and play out, described first-class media data includes that the time marks
The stream medium data fragment and the time that are designated as described first moment are marked at the stream matchmaker after described first moment
Volume data fragment；
Described target device player receives described streaming media server in described second business process and returns
Obtain second media data corresponding to request with described and play out, and stop playing described the
After one stream medium data, also include:
Described target device player sends switch acknowledgment message to described source device player, so that described
Source device player disconnects the connection with described streaming media server.
Method the most according to claim 1, it is characterised in that described target device player receives
Before the switching command that source device player sends, also include:
Described target device player receives the inquiry request of source device player broadcast transmission, described inquiry
Request includes the LAN ID information at described source device player place；
Described target device player determines whether to broadcast with described source device according to described LAN ID information
Put device in same LAN；
If, then sending inquiry response to described source device player, described inquiry response includes described
The identification information of target device player, so that described source device player is according to described identity
Communication connection set up by information and described target device player, and sends institute to described target device player
State switching command.
3. a stream medium data switching player, it is characterised in that including:
First receiver module, for receiving the switching command that source device player sends, described switching command
Include the uniform resource position mark URL information of the stream medium data of to be switched broadcasting and locally stored
Location information, described source device player and described target device player are positioned in same LAN, described
Locally stored address information be described source device player according in source device for storing described Streaming Media number
According to home server in storage concordance list determine；
First processing module, for obtaining according to described locally stored address information in the first business process
First-class media data also plays out, and sends to streaming media server and obtain institute in the second business process
Stating the acquisition request of the stream medium data of to be switched broadcasting, described acquisition asks to include that described URL believes
Breath, described first-class media data is to receive the of described switching command with described target device player
The stream medium data that one moment is corresponding；
Second processing module, returns for receiving described streaming media server in described second business process
Obtain second media data corresponding to request with described and play out, and stop playing described the
One stream medium data, described second media data is for receive described acquisition with described streaming media server
The stream medium data corresponding to the second moment of request；
Described first processing module, including:
Determine unit, with described in the home server determining source device in the first business process
The memory space that ground storage address information is corresponding, in described memory space, storage has stream medium data fragment
Time labelling and the stream medium data fragment corresponding with described time labelling；
Acquiring unit, in the first business process according to described time labelling from described memory space
Obtaining described first-class media data and play out, described first-class media data includes that the time is labeled as
The stream medium data fragment in described first moment and time are marked at the Streaming Media number after described first moment
According to fragment；
Also include:
First sending module, for sending switch acknowledgment message to described source device player, so that described
Source device player disconnects the connection with described streaming media server.
Player the most according to claim 3, it is characterised in that also include:
Second receiver module, for receiving the inquiry request of source device player broadcast transmission, described inquiry
Request includes the LAN ID information at described source device player place；
Determine module, for determining whether and described source device player according to described LAN ID information
In same LAN；
Second sending module, for sending inquiry response, described inquiry response to described source device player
Include the identification information of described target device player, so that described source device player is according to institute
State identification information and set up communication connection with described target device player, and broadcast to described target device
Put device and send described switching command.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104394476A (en) * | 2014-11-28 | 2015-03-04 | 乐视致新电子科技（天津）有限公司 | Time shifting playing method and media player |
| CN105227987B (en) * | 2015-09-25 | 2019-11-26 | 广州视源电子科技股份有限公司 | Synchronous broadcast method and system |
| CN105430527B (en) * | 2015-12-02 | 2020-02-11 | 腾讯科技（深圳）有限公司 | Streaming media reminding method and terminal equipment |
| CN108012168A (en) * | 2016-10-31 | 2018-05-08 | 中国电信股份有限公司 | A kind of live control method of multi-path video stream and video living transmission system |
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