CN105392040B - A kind of control method and control system that more equipment synchronize pause and play - Google Patents
A kind of control method and control system that more equipment synchronize pause and play Download PDFInfo
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- CN105392040B CN105392040B CN201510749328.8A CN201510749328A CN105392040B CN 105392040 B CN105392040 B CN 105392040B CN 201510749328 A CN201510749328 A CN 201510749328A CN 105392040 B CN105392040 B CN 105392040B
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- data packet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4333—Processing operations in response to a pause request
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses the control methods and control system a kind of more equipment synchronous pause and play.The method includes when user suspends and plays, source media device selection pause data packet, each target media devices suspend at pause data packet to be played, when user's played data information, source media device changes the play time for having sent the data packet not played, the play time correspondence of the data packet cached in target media devices is updated, and completes to be played simultaneously.The data packet that this programme has cached target media devices obtain rationally using and be not dropped, save channel space, data transmission efficiency is improved, while being played simultaneously for target media devices can be completed without waiting for the buffering again of data information in user, user experience is good.
Description
Technical field
The present invention relates to multimedia play technology field more particularly to the controlling parties of a kind of more equipment synchronous pause and broadcasting
Method and control system.
Background technique
When stream media information plays, it is contemplated that multiple equipment needs to complete being played simultaneously for information, usually in data packet
Middle increase play time information, makes multiple media device synchronization played data contents.Meanwhile for the fluency of broadcasting, avoid
It is played and is interrupted as caused by network transmission delay and packet loss, source media device can shift to an earlier date the played data subsequent a period of time
Target media devices are sent to, so that target media devices cache a certain amount of data information for continuously playing.
However, user may need the synchronous current multiple media devices of pause when multiple media device synchronization broadcast informations
Broadcasting, a period of time later again need reopen broadcasting.Because each media device has cached a certain amount of data packet,
And the play time information of data packet has been contained in each data packet, start to play the then time again after suspending some time
Information is out of date to be reused, and need to retransmit data packet.Thus buffered data packet will be cancelled,
Cannot adequately using and occupy new transmission channel, at the same time, target device needs received data packet and band again
Carry out the delay buffer time of long period, user's physical examination is poor.
Summary of the invention
The present invention provides a kind of control method and control system that more equipment synchronize pause and play, so that target medium is set
The standby data packet cached obtain rationally using and be not dropped, save channel space, improve data transmission efficiency, simultaneously
Being played simultaneously for target media devices can be completed without waiting for the buffering again of data information in user, and user experience is good.
In a first aspect, the embodiment of the invention provides the control methods a kind of more equipment synchronous pause and played, comprising:
Source media device receives the pause instruction of user's input, stops sending data packet, send out to target media devices
It send and selection pause data packet in the data packet that does not play, the number of the target media devices is greater than or equal to 1；Transmission includes
The pause command of the mark of the pause data packet is to the target media devices；
The target media devices receive the pause command, suspend at the pause data packet and play；
The source media device receives the play instruction of user's input, and selection sends to target media devices and do not play
Data packet, and change the play time of the data packet of selection；Play command is sent to target media devices, the play command
Play time after mark comprising the selected data packet and corresponding change；
The target media devices update the play time of corresponding data packet in caching according to the play command, according to institute
It states updated play time and plays the data packet.
Second aspect, the embodiment of the invention provides the control systems a kind of more equipment synchronous pause and played, comprising:
Source media device stops sending data packet, set to target medium for receiving the pause instruction of user's input
Preparation is sent and selection pause data packet in the data packet that does not play, and the number of the target media devices is greater than or equal to 1；It sends
The pause command of mark comprising the pause data packet is to the target media devices；And receive the broadcasting of user's input
Instruction, the data packet that selection sends to target media devices and do not play, and change the play time of the data packet of selection；Hair
Send play command to target media devices, after the play command includes the mark of the selected data packet and corresponds to change
Play time；
The target media devices, for suspending at the pause data packet and broadcasting after receiving the pause command
It puts；After receiving the play instruction, the play time of corresponding data packet in caching is updated according to the play command, according to
The updated play time plays the data packet.
The present invention needs to suspend source media device selection pause data packet, each target media devices when playing by user
Suspend at pause data packet and play, when user needs to continue to play, source media device changes the number for having sent and not played
According to the play time of packet, so as to send and the play time of data packet that does not play is after present system time, target matchmaker
The play time correspondence of the data packet cached in body equipment is updated, and completes to be played simultaneously, and it is temporary to solve media player
When stopping starting to play again after some time, temporal information is out of date to be reused, and need to retransmit asking for data packet
Topic.It realizes buffered data packet not cancel because the time is expired, can reuse, improve data transmission efficiency.
Meanwhile when user plays again, being played simultaneously for target media devices is can be completed in the buffering again for withouting waiting for data,
User experience is good.
Detailed description of the invention
Fig. 1 is the flow chart of more equipment synchronous pause and the control method played in the embodiment of the present invention one；
Fig. 2 is the structural schematic diagram of the data packet in the embodiment of the present invention one；
Fig. 3 is the control system architecture schematic diagram of more equipment provided by Embodiment 2 of the present invention synchronous pause and broadcasting；
Fig. 4 is the flow chart of more equipment synchronous pause and the control method played in the embodiment of the present invention three；
Fig. 5 is the signal of the information of partial data packet record when more equipment that the embodiment of the present invention three provides synchronize pause
Figure；
Fig. 6 is the signal of the information of partial data packet record when more equipment that the embodiment of the present invention three provides are played simultaneously
Figure.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment one
Fig. 1 is the flow chart of more equipment synchronous pause and the control method played that the embodiment of the present invention one provides, this reality
It applies example and is applicable to stream media information and situation is played simultaneously, this method can be held by source media device and target media devices
Row, specifically comprises the following steps:
Step 110, source media device receive the pause instruction of user's input, stop sending data packet, to target matchmaker
Selection pause data packet, the number of the target media devices are greater than or equal to 1 in the transmission of body equipment and the data packet not played；
The pause command comprising the mark for suspending data packet is sent to the target media devices；
Wherein, source media device is information data transmitting terminal, can send data information to multiple target media devices and use
In broadcasting, after user, which needs to suspend, to play and input pause instruction, source media device stops sending data packet immediately, described
Packet structure schematic diagram as shown in Fig. 2, its other than comprising needing the data information such as video, audio that play, further
It include the play time information of data packet and the mark corresponding to the data packet, mark can be number, letter or number word
Female combination can uniquely confirm the data packet by mark.Play time information then has recorded the precise time of data packet broadcasting
Point.
When source media device stops playback data, pause is selected from the data packet for having sent but not yet having played immediately
Data packet is buffered in each target media devices and not yet plays since the data packet has been sent, therefore can be used as target medium
The time point that equipment pause plays.Concrete foundation of the source media device in selection pause data packet are as follows: when selecting the broadcasting for including
Between and present system time difference it is minimum and be greater than the data packet of delay threshold as pause data packet.Play time and system
Time difference minimum, which represents target media devices, can stop playing within the shortest time；Difference is greater than delay threshold and represents confirmation
This is suspended data packet and has been sent in target media devices, and delay threshold is that source media device sends data packets to mesh
Mark the delay time of media device.After the pause data packet is selected by source media device, source media device generates pause life
Enable and be sent to each target device, pause hit contains the mark of the pause data packet, as previously mentioned, the mark can be
Corresponding data packet is uniquely determined in target media devices.
Step 120, the target media devices receive the pause command, suspend at the pause data packet and play；
Wherein, it includes that target media devices are playing the pause data packet that pause, which plays, at the pause data packet
Stop playing afterwards or the target media devices stop playing two kinds after the data packet before playing the pause data packet
Situation can carry out accordingly selecting setting.
Step 130, the source media device receive the play instruction of user's input, and selection is sent to target media devices
And the data packet not played, and change the play time of the data packet of selection；Transmission play command is described to target media devices
The mark and the play time after corresponding change that play command includes the selected data packet；
Wherein, the time play time of the data packet of selection being changed to after present system time, expired is broadcast
Putting the time is updated.Network average delay of the specific change numerical basis source media device to target media devices transmission data
(usually 10ms or so), i.e. present system time add play time of the network delay time as this data packet.
When step 140, the target media devices update the broadcasting of corresponding data packet in caching according to the play command
Between, the data packet is played according to the updated play time；
Wherein, play time information of each target media devices due to having updated the data packet stored in caching, when
Being played simultaneously for information can be completed when playing again.
The technical solution of the present embodiment suspends source media device selection pause data packet, each target when playing by user
Media device suspends at pause data packet to be played, and when user's played data information, media device change in source, which has been sent, not to be broadcast
The play time correspondence of the play time for the data packet put, the data packet cached in target media devices is updated, and is completed
It is played simultaneously, when solving after the media player pause some time and starting to play, temporal information is out of date can not be again
It uses, needs the problem of retransmitting data packet.It realizes buffered data packet to reuse, not more than waste transmission letter
Road, the good beneficial effect of user experience.
Based on the above technical solution, source media device and target media devices can be substituted for each other to execute respectively pair
The method and step answered.
Based on the above technical solution, source media device can be completed with other multiple target media devices synchronize broadcast
Putting for task, i.e. source media device and target media devices play the data packet after change temporal information simultaneously.The source matchmaker
Body equipment can also without the information content broadcasting and only as the offer end of the information content.
Based on the above technical solution, when the data packet of caching is played simultaneously in multiple target media devices, the source
Media device continues to send not sent data packet to the target media devices, and the target media devices receive and cache institute
Data packet is stated for subsequent normal play.
Embodiment two
Fig. 3 is the control system architecture schematic diagram of more equipment provided by Embodiment 2 of the present invention synchronous pause and broadcasting.Such as
Shown in Fig. 3, including source media device 10 and multiple target media devices 21,22 ..., 2n, wherein source media device 10 is used for
The pause instruction of user's input is received, stops sending data packet, be sent to multiple target media devices 21,22 ..., 2n
And selection pause data packet in the data packet not played；The pause command of the mark comprising the pause data packet is sent to described
Multiple target media devices；And receive user input play instruction, selection to multiple target media devices send and not
The data packet of broadcasting, and change the play time of the data packet of selection；Transmission play command is described to multiple target media devices
The mark and the play time after corresponding change that play command includes the selected data packet.
Multiple target media devices 21,22 ..., 2n are used for after receiving the pause command, described temporary
Stop suspending at data packet and play；After receiving the play instruction, corresponding data in caching is updated according to the play command
The play time of packet plays the data packet according to the updated play time.
The source media device 10 is specifically used for: select the play time for including and the difference of present system time minimum and
Data packet greater than delay threshold is used as pause data packet；Continue to send not sent data packet to the multiple target medium and set
It is standby.
The multiple target media devices 21,22 ..., 2n are specifically used for: stopping after playing the pause data packet
It plays or the target media devices stops playing after the data packet before playing the pause data packet；It receives and caches
The data packet；The time play time of the data packet of selection being changed to after present system time.
Wherein, the mark of the data packet of foregoing description includes at least one of number, letter, digital alphabet combination, described
Mark and the data packet correspond.
Method provided by any embodiment of the invention can be performed in the said goods, has the corresponding functional module of execution method
And beneficial effect.
Embodiment three
The present embodiment can provide a kind of preferred embodiment based on above-described embodiment.
It is illustrated in figure 4 the flow chart of the synchronous pause and the control method played of more equipment in the present embodiment, is specifically included:
Step 410, the mark of source media device setting data packet and play time simultaneously store in the packet；
Step 420, the source media device send the data packet to target media devices, and the target media devices connect
It receives and caches the data packet；
Step 430, the source media device receive pause instruction, and selection pause data packet sends pause command to described
Target media devices；
Step 440, the target media devices receive the pause command and synchronous pause plays；
Step 450, the source media device receive play instruction, and change has sent and when the broadcasting of non-playback data
Between, play command is sent to the target media devices；
Step 460, the target media devices receive the play command, the broadcasting of non-playback data in change caching
Time synchronizes broadcasting.
In the present embodiment, the schematic diagram of package identification and corresponding play time is as shown in Figure 5 and Figure 6, and wherein Fig. 5 is this
The schematic diagram of the information of partial data packet record when more equipment that embodiment provides synchronize pause, Fig. 6 are provided in this embodiment
The schematic diagram for the information that partial data packet records when more equipment are played simultaneously.
Wherein, the mark of data packet selects the mode successively layout of digital number, has recorded 5-11 totally 7 data in Fig. 5
The play time information of packet, 7 data packets have been issued from source media device, and are received and cached by target media devices
To target media devices local.When the pause that source media device has received user's transmission when system time is 9:10:10 refers to
It enables, at this point, source media device selects play time and system time difference minimum and be greater than to prolong from 7 data packets that this has sent
When threshold value data packet as pause data packet, the data packet that such as selected identity is 8 while sending pause as pause data packet
Order is to each target media devices, and target media devices are after receiving the pause command, according to the number in pause command
It determines to suspend after the data packet before suspending data packet finishes according to packet mark 8 and play, that is, suspend after playing data packet 7
It plays.
After media device receives play instruction when source, the instruction such as was received at system time 9:20:20 seconds, then to
The play time information for the data packet (mark 8-11) for sending and not playing is modified, and the play time of data packet 8-11 is believed
Breath is changed to the time after present system time, and the time after being changed to delay 2 seconds as shown in Figure 6 is as play time (this
The delay time limit at place only plays the role of signal, does not represent true delay).After play time information is changed, source media are set
Preparation send play command to each target media devices, after mark and corresponding change that data packet is contained in the play command
Play time information, target media devices receive the play time that the data packet not played in caching is accordingly updated after the order
Information, and then without completing to be played simultaneously in the case where retransmitting data packet.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (8)
1. a kind of control method that more equipment synchronize pause and play characterized by comprising
Source media device receive user input pause instruction, stop send data packet, to target media devices send and
The play time for including and the difference of present system time minimum and the number for being greater than delay threshold are selected in the data packet not played
According to packet as pause data packet, the number of the target media devices is greater than or equal to 1；It sends comprising the pause data packet
The pause command of mark is to the target media devices；
The target media devices receive the pause command, suspend at the pause data packet and play；
The source media device receives the play instruction of user's input, the number that selection sends to target media devices and do not play
According to packet, and the play time of the data packet of selection is changed to the time after present system time；Play command is sent to mesh
Media device is marked, the mark and the play time after corresponding change that the play command includes the selected data packet；
The target media devices according to the play command update caching in corresponding data packet play time, according to it is described more
Play time after new plays the data packet.
2. the control method that more equipment according to claim 1 synchronize pause and play, which is characterized in that the target matchmaker
Body equipment receives the pause command, and pause, which plays, at the pause data packet includes:
The target media devices stop playing after playing the pause data packet or the target media devices are playing
Stop playing after data packet before the complete pause data packet.
3. the control method that more equipment according to claim 1 synchronize pause and play, which is characterized in that in the source matchmaker
Body equipment is sent after play command to target media devices, further includes:
The source media device continues to send not sent data packet to the target media devices；
The target media devices receive and cache the data packet.
4. the control method that more equipment according to claim 1 to 3 synchronize pause and play, which is characterized in that described
The mark of data packet includes at least one of number, letter, digital alphabet combination, and the mark and the data packet one are a pair of
It answers.
5. a kind of control system that more equipment synchronize pause and play characterized by comprising
Source media device stops sending data packet, send out to target media devices for receiving the pause instruction of user's input
Send and select in the data packet that does not play the play time for including and the difference of present system time minimum and be greater than delay threshold
Data packet as pause data packet, the numbers of the target media devices is greater than or equal to 1；Sending includes the pause data
The pause command of the mark of packet is to the target media devices；And the play instruction of user's input is received, it selects to target
The data packet that media device sends and do not play, and the play time of the data packet of selection is changed to after present system time
Time；Play command is sent to target media devices, the play command includes the mark of the selected data packet and right
Play time after should changing；
The target media devices, for suspending at the pause data packet and playing after receiving the pause command；?
After receiving the play instruction, the play time of corresponding data packet in caching is updated according to the play command, according to described
Updated play time plays the data packet.
6. the control system that more equipment according to claim 5 synchronize pause and play, which is characterized in that the target matchmaker
Body equipment is specifically used for:
Stop playing after playing the pause data packet or the target media devices are playing the pause data packet
Stop playing after data packet before.
7. the control system that more equipment according to claim 5 synchronize pause and play, which is characterized in that the source media
Equipment is also used to continue to send not sent data packet to the target media devices；The target media devices are also used to receive
And cache the data packet.
8. according to the control system any more equipment of claim 5-7 synchronous pause and played, which is characterized in that described
The mark of data packet includes at least one of number, letter, digital alphabet combination, and the mark and the data packet one are a pair of
It answers.
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| JP2020504557A (en) | 2017-01-09 | 2020-02-06 | 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． | Media downlink transmission control method and related devices |
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| CN105392040A (en) | 2016-03-09 |
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