CN108696762A - A kind of synchronous broadcast method, device and system - Google Patents
A kind of synchronous broadcast method, device and system Download PDFInfo
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- CN108696762A CN108696762A CN201710235533.1A CN201710235533A CN108696762A CN 108696762 A CN108696762 A CN 108696762A CN 201710235533 A CN201710235533 A CN 201710235533A CN 108696762 A CN108696762 A CN 108696762A
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
-
- 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
-
- 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
- H04N21/4305—Synchronising client clock from received content stream, e.g. locking decoder clock with encoder clock, extraction of the PCR packets
-
- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention discloses a kind of synchronous broadcast method, device and system, receive the first message that at least one first terminal is sent, and the first message carries first and starts reproduction time and the first multimedia file broadcasting initial time;It obtains the second of second terminal and starts reproduction time and the second multimedia file broadcasting initial time;Start reproduction time according at least one first and at least one first multimedia file plays initial time, the second startup reproduction time, second multimedia file and plays initial time determination and information is played simultaneously;Multimedia file is played according to the synchronizing information that is played simultaneously.
Description
Technical field
The present invention relates to the multimedia file play-back technology of electronic field more particularly to a kind of synchronous broadcast method, devices
And system.
Background technology
With the continuous development of electronics and the communication technology, the various such applications of terminal in people's lives are more and more wider
It is general.In mobile phone terminal sales field, to publicize the attraction information, such as hardware configuration, high-quality sound quality, high-resolution screen etc. of mobile phone
Deng, on exhibition booth show mobile phone terminal can play promotional videos file automatically.In practical applications, each mobile phone terminal is broadcast respectively
Video file is put, in this way, each mobile phone terminal on-screen displays are different, it appears relatively disorderly, be easy to upset user attention and
Attention rate.
In the prior art, it in order to enable video is played simultaneously in multiple terminals, is usually played simultaneously by the way that realization is broadcast live, mainstream
Using hls agreements, (http live streaming, real time streaming transport protocol are based on http agreements, and transmission data includes that m3u is retouched
State file and ts media files), each terminal connects hls direct broadcast servers, by constantly downloading m3u files and a pile ts texts
Part, and successively played according to ts, it realizes that real-time synchronization plays, still, there is certain limitation using live broadcasting method, such as use
Direct broadcast server, cost is higher, there is bandwidth expense and server cost;The synchronization accuracy of direct broadcast server is not high, restricted network
State influences, it may appear that multiple terminals cannot complete picture synchronization, it is also possible to the slack problem of video occurs;Direct broadcast service is suitble to
Production video content plays in real time, can reach compared with low delay and be played simultaneously, but be unable to reach real meaning is played simultaneously effect
Fruit.
Invention content
To solve existing technical problem, the embodiment of the present invention provides a kind of synchronous broadcast method, device and system,
More acurrate in synchronization time precision, network environment is simple and convenient, no extra cost expenditure.
In order to achieve the above objectives, the technical solution of the embodiment of the present invention is realized in:
The embodiment of the present invention provides a kind of synchronous broadcast method, the method includes:
Receive the first message that at least one first terminal is sent, the first message carry first start reproduction time and
First multimedia file plays initial time;
It obtains the second of second terminal and starts reproduction time and the second multimedia file broadcasting initial time;
Start reproduction time and at least one first multimedia file according at least one first and plays initial time, described
Second startup reproduction time, second multimedia file play initial time determination and information are played simultaneously;
Multimedia file is played according to the synchronizing information that is played simultaneously.
Further, described to start reproduction time and the broadcasting of at least one first multimedia file according at least one first
Initial time, the second startup reproduction time, the second multimedia file play initial time determination and information are played simultaneously, including:
Determine that described at least one first starts the time difference of reproduction time and current time to be worth at the first time, really respectively
Fixed second starts the time difference of reproduction time and current time as the second time value;
The time is played simultaneously according to described in the first time value and second time value determination, according to described at least one
A first multimedia file plays initial time and the second multimedia file plays initial time and determines that the multimedia file is same
Step plays initial time.
Further, when the second startup reproduction time for obtaining second terminal and the second multimedia file play starting
It carves, including:
In preset period of time, it is determined whether the startup reproduction time and multimedia file of resetting second terminal local are broadcast
Put initial time;
If not resetting, resets the startup reproduction time of the second terminal local and multimedia file plays when originating
It carves, second after being reset starts reproduction time and the second multimedia file plays initial time.
Further, the information that is played simultaneously includes:The time is played simultaneously, when starting is played simultaneously in multimedia file
It carves, synchronizing information is played simultaneously described in the basis and plays multimedia file, including:
The first timed task of information setting is played simultaneously according to described, is synchronous at the beginning of first timed task
Reproduction time, first timed task include:Multimedia is played since being played simultaneously initial time in the multimedia file
File;
When reaching at the beginning of first timed task, first timed task is executed.
Further, before the first message for receiving at least one terminal transmission, further include:
It obtains default startup reproduction time and default multimedia file plays initial time, set the second timed task, institute
It is the default startup reproduction time at the beginning of stating the second timed task, second timed task includes:From described pre-
Start to play multimedia file if multimedia file plays initial time;
Second message is sent at least one first terminal, the second message carry it is default start reproduction time and
Default multimedia file plays initial time, so that at least one first terminal is according to the default startup reproduction time
Initial time determination is played with default multimedia file, and information is played simultaneously.
Further, it is played simultaneously described in the basis after the first timed task of information setting, including:
Third message is sent at least one first terminal, the third message carry described in information is played simultaneously,
So that information, which is played simultaneously, at least one first terminal according to plays multimedia file.
It is further, described that the time is played simultaneously according to described in the first time value and second time value determination,
Initial time is played according at least one first multimedia file and the second multimedia file plays initial time and determines institute
It states multimedia file and initial time is played simultaneously, including:
Determine in the first time value and second time value maximum value be it is described the time is played simultaneously, determine described in
It is institute that at least one first multimedia file, which plays the maximum value that initial time and the second multimedia file play in initial time,
It states multimedia file and initial time is played simultaneously.
The embodiment of the present invention provides a kind of simultaneously playing device, and described device includes:Receiving unit, acquiring unit, determination
Unit, broadcast unit, wherein
The receiving unit, the first message sent for receiving at least one first terminal, the first message carry
First starts reproduction time and the first multimedia file broadcasting initial time;
The acquiring unit, the second startup reproduction time and the second multimedia file for obtaining second terminal play
Begin the moment;
The determination unit, for starting reproduction time and at least one first multimedia file according at least one first
Initial time, the second startup reproduction time, second multimedia file is played to play initial time determination and be played simultaneously
Information;
The broadcast unit plays multimedia file for synchronizing information to be played simultaneously according to.
Further, the determination unit, for determining that at least one first starts reproduction time and current time respectively
Time difference be to be worth at the first time, determine that the time difference of the second startup reproduction time and current time is the second time value, also use
The time is played simultaneously described in being determined according to the first time value and second time value, according to described at least one first
Multimedia file plays initial time and the second multimedia file plays initial time and determines that the multimedia file is played simultaneously
Initial time.
Further, described device further includes:Processing unit,
The determination unit, in preset period of time, it is determined whether the startup of resetting second terminal local plays
Time and multimedia file play initial time;
If the processing unit resets the startup reproduction time of the second terminal local and more matchmakers for not resetting
Body file plays initial time, and second after being reset starts reproduction time and the second multimedia file plays initial time.
Further, the information that is played simultaneously includes:The time is played simultaneously, when starting is played simultaneously in multimedia file
It carves;
Described device further includes:Setup unit, execution unit,
The first timed task of information setting is played simultaneously according to described in the setup unit, first timed task
Time started is that the time is played simultaneously, and first timed task includes:Initial time is played simultaneously from the multimedia file
Start to play multimedia file;
The execution unit, for when reaching at the beginning of first timed task, executing first timing
Task.
Further, described device further includes:Transmission unit,
The acquiring unit plays initial time for obtaining default startup reproduction time and default multimedia file;
The setup unit is described pre- at the beginning of second timed task for setting the second timed task
If starting reproduction time, second timed task includes:It is played since the default multimedia file plays initial time
Multimedia file;
The transmission unit, for sending second message at least one first terminal, the second message carries
It is default to start reproduction time and default multimedia file broadcasting initial time, so that at least one first terminal is according to institute
It states default startup reproduction time and default multimedia file plays initial time determination and information is played simultaneously.
Further, described device further includes:Transmission unit, it is whole to described at least one first for sending third message
It holds, information is played simultaneously described in the third message carrying, so that at least one first terminal is broadcast according to described synchronize
It puts information and plays multimedia file.
Further, the determination unit is specifically used for determining in the first time value and second time value most
The time is played simultaneously described in being in big value, is additionally operable to determine that at least one first multimedia file plays initial time and second
It is that initial time is played simultaneously in the multimedia file that multimedia file, which plays the maximum value in initial time,.
The embodiment of the present invention provides a kind of synchronous playing system, the system comprises:At least two is as described above synchronous
Playing device, at least two simultaneously playing device as described above are in the same local area network.
An embodiment of the present invention provides a kind of synchronous broadcast method, device and system, receive at least one first terminal hair
The first message sent, the first message carry first and start reproduction time and the first multimedia file broadcasting initial time;It obtains
It takes the second of second terminal to start reproduction time and the second multimedia file plays initial time;Start according at least one first
Reproduction time and at least one first multimedia file play initial time, the second startup reproduction time, described more than second
Information is played simultaneously in the determination of playback of media files initial time;Multimedia file is played according to the synchronizing information that is played simultaneously.
Synchronous broadcast method provided in an embodiment of the present invention, device and system, may be implemented multiple terminals and video are played simultaneously, in this way,
User sees that the picture of the video in each terminal is consistent, so that bandwagon effect is promoted, moreover, in precision synchronization time
Upper more acurrate, broadcasting pictures can be consistent completely, and also without network delay, network environment is simple and convenient, no extra cost
Expenditure.
Description of the drawings
In attached drawing (it is not necessarily drawn to scale), similar reference numeral phase described in different views
As component.Similar reference numerals with different letter suffix can indicate the different examples of similar component.Attached drawing with example and
Unrestricted mode generally shows each embodiment discussed herein.
Fig. 1 is synchronous broadcast method flow diagram one provided in an embodiment of the present invention;
Fig. 2 is synchronous broadcast method flow diagram two provided in an embodiment of the present invention;
Fig. 3 is synchronous broadcast method flow diagram three provided in an embodiment of the present invention;
Fig. 4 is simultaneously playing device structural schematic diagram one provided in an embodiment of the present invention;
Fig. 5 is simultaneously playing device structural schematic diagram two provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.
Embodiment one
The embodiment of the present invention provides a kind of synchronous broadcast method, as shown in Figure 1, this method may include:
Step 101 receives the first message that at least one first terminal is sent.
Wherein, the first message carries the first startup reproduction time and the first multimedia file plays initial time, i.e.,
Each first message carries the first of a first terminal and starts reproduction time and the first multimedia file broadcasting initial time.
Here, first startup reproduction time refer to terminal system sometime start play multimedia file, for example,
The 13 of the terminal system time:10 start to play multimedia file;It refers in more matchmakers that first multimedia file, which plays initial time,
The a certain moment of body file starts to play multimedia file, for example, the 00 of video:02:16 start to play video.
Wherein, multimedia file can be video file, audio file etc., can also be other multimedia files, this
Inventive embodiments are not specifically limited this.
The executive agent of synchronous broadcast method provided in an embodiment of the present invention is simultaneously playing device, the simultaneously playing device
Can be second terminal, or software systems are played simultaneously in second terminal, wherein terminal is specifically as follows
Mobile phone, tablet computer etc. have the electronic equipment of video playback capability.
In the embodiment of the present invention, the system time of at least one first terminal and second terminal that synchronize broadcasting passes through
Calibration keeps clock consistent, and at least one first terminal and second terminal are under the same local area network, and preserves
There is identical multimedia file.
Further, before the first message for receiving at least one terminal transmission, further include:
It obtains default startup reproduction time and default multimedia file plays initial time, set the second timed task, institute
It is the default startup reproduction time at the beginning of stating the second timed task, second timed task includes:From described pre-
Start to play multimedia file if multimedia file plays initial time;
Second message is sent at least one first terminal, the second message carry it is default start reproduction time and
Default multimedia file plays initial time, so that at least one first terminal is according to the default startup reproduction time
Initial time determination is played with default multimedia file, and information is played simultaneously.
Step 102, the second startup reproduction time for obtaining second terminal and the second multimedia file play initial time.
It is described to obtain the second of second terminal and start reproduction time and the second multimedia text in a kind of possible realization method
Part plays initial time, including:
In preset period of time, it is determined whether the startup reproduction time and multimedia file of resetting second terminal local are broadcast
Put initial time;
If not resetting, resets the startup reproduction time of the second terminal local and multimedia file plays when originating
It carves, second after being reset starts reproduction time and the second multimedia file plays initial time.
Here, after resetting refers to the message that second terminal receives other-end, need to reset start reproduction time and
Multimedia file plays initial time, because terminal has a memory function, note is last startup reproduction time and multimedia
File plays initial time, and re-synchronization just needs to recalculate, the principle of calculating be start reproduction time be current time again
It is long to delay certain time, and it is the currently playing progress moment that multimedia file, which plays initial time,.
Step 103 starts reproduction time and the broadcasting starting of at least one first multimedia file according at least one first
Moment, the second startup reproduction time, second multimedia file play initial time determination and information are played simultaneously.
Wherein, the information that is played simultaneously includes:The time is played simultaneously, initial time is played simultaneously in multimedia file.
It is described to start reproduction time and at least one more than first according at least one first in a kind of possible realization method
Playback of media files initial time, the second startup reproduction time, the second multimedia file play initial time determination and are played simultaneously
Information, including:
Determine that described at least one first starts the time difference of reproduction time and current time to be worth at the first time, really respectively
Fixed second starts the time difference of reproduction time and current time as the second time value;
The time is played simultaneously according to described in the first time value and second time value determination, according to described at least one
A first multimedia file plays initial time and the second multimedia file plays initial time and determines that the multimedia file is same
Step plays initial time.
In a kind of possible realization method, according to the first time value and second time value determine it is described synchronize broadcast
The time is put, initial time is played according at least one first multimedia file and the second multimedia file plays initial time
It determines that initial time is played simultaneously in the multimedia file, may include:
Determine in the first time value and second time value maximum value be it is described the time is played simultaneously, determine described in
It is institute that at least one first multimedia file, which plays the maximum value that initial time and the second multimedia file play in initial time,
It states multimedia file and initial time is played simultaneously.
In the embodiment of the present invention, each terminal can send messages to other terminals, which includes
Start reproduction time, video playing initial time, while receiving the message that other terminals are sent, compares out a startup the latest
Together reproduction time and video playing initial time finally negotiate benchmark and start reproduction time and video playing initial time, i.e.,
It walks reproduction time and audio video synchronization plays initial time.
Illustratively, second terminal is mobile phone A, and multiple first terminals are respectively:Mobile phone B, mobile phone C, mobile phone D, mobile phone E,
Mobile phone F, it is 13 that mobile phone A second, which starts reproduction time,:10, mobile phone A the second video playing initial time is 00:02:16, mobile phone B
Second startup reproduction time is 13:13, mobile phone B the second video playing initial time is 00:02:11, mobile phone C second, which start, to be played
Time is 13:05, mobile phone C the second video playing initial time are 00:01:It is 13 that 35, mobile phone D second, which start reproduction time,:08,
Mobile phone D the second video playing initial times are 00:02:It is 13 that 20, mobile phone E second, which start reproduction time,:01, mobile phone E second is regarded
It is 00 that frequency, which plays initial time,:02:It is 13 that 05, mobile phone F second, which start reproduction time,:When the second video playing of 16, mobile phone F originates
Carve is 00:01:55, it is 13 to compare out a startup reproduction time the latest:16, compare out a video playing starting the latest
Moment is 00:02:20, that is, it is 13 that the time, which is played simultaneously,:16, it is 00 that audio video synchronization, which plays initial time,:02:20, when mobile phone A
System time is 13:When 16, from the 00 of video:02:20 start to play video.
Provided in an embodiment of the present invention be played simultaneously is startup reproduction time in all terminals for being played simultaneously the latest
The latest subject to video playing initial time, synchronous principle can also be set as starting reproduction time earliest or earliest video is broadcast
It puts subject to initial time, is equally reached the effect being played simultaneously.
Synchronizing information broadcasting multimedia file is played simultaneously in step 104 according to.
In a kind of possible realization method, multimedia file is played according to the synchronizing information that is played simultaneously, including:According to
It is described that the first timed task of information setting is played simultaneously, wherein for when being played simultaneously at the beginning of first timed task
Between, first timed task includes:Multimedia file is played since being played simultaneously initial time in the multimedia file;When
When reaching at the beginning of first timed task, first timed task is executed.
Further, it is played simultaneously described in the basis after the first timed task of information setting, including:
Third message is sent at least one first terminal, the third message carry described in information is played simultaneously.
Specifically, when benchmark starts the time and reaches, i.e., the time is played simultaneously when the system time of second terminal reaches, until
Few one first starts the preset identical multimedia file of broadcasting with second terminal, and plays initial time from benchmark simultaneously eventually
Start to play multimedia file, for example, the playing video file since audio video synchronization plays initial time, completely same to reach
Step plays.
Synchronous broadcast method provided in an embodiment of the present invention may be implemented multiple terminals and multimedia file be played simultaneously, this
Sample, user sees that the information of the multimedia file in each terminal is identical, for example, user sees the video in each terminal
Picture be consistent, to promote bandwagon effect, moreover, more acurrate in synchronization time precision, broadcasting pictures can be complete
It is consistent, also without network delay, network environment is simple and convenient, no extra cost expenditure.
Embodiment two
The embodiment of the present invention provides a kind of synchronous broadcast method, as shown in Fig. 2, this method may include:
Step 201 obtains default startup reproduction time and default multimedia file broadcasting initial time, the second timing of setting
Task.
Wherein, it is the default startup reproduction time at the beginning of second timed task, second timing is appointed
Business includes:Multimedia file is played since the default multimedia file plays initial time.
The executive agent of synchronous broadcast method provided in an embodiment of the present invention is simultaneously playing device, the simultaneously playing device
Can be second terminal, or software systems are played simultaneously in second terminal, wherein terminal is specifically as follows
Mobile phone, tablet computer etc. have the electronic equipment of multimedia file playing function.
In the embodiment of the present invention, the system time of at least one first terminal and second terminal that synchronize broadcasting passes through
Calibration keeps clock consistent, and at least one first terminal and second terminal are under the same local area network, and preserves
There is identical multimedia file.
Step 202 sends second message at least one first terminal, and the second message carries default start and broadcasts
It puts the time and default multimedia file plays initial time, so that at least one first terminal is according to the default startup
Reproduction time and default multimedia file play initial time determination and information are played simultaneously.
Step 203 receives the first message that at least one first terminal is sent.
Wherein, the first message carries the first startup reproduction time and the first multimedia file plays initial time.
Step 204, in preset period of time, it is determined whether the startup reproduction time of resetting second terminal local and more matchmakers
Body file plays initial time.
If step 205 is not reset, the startup reproduction time and multimedia file that reset the second terminal local play
Initial time, second after being reset starts reproduction time and the second multimedia file broadcasting initial time.
Step 206 determines that the time difference of at least one first startup reproduction time and current time is first respectively
Time value determines that the time difference of the second startup reproduction time and current time is the second time value.
The time is played simultaneously according to described in the first time value and second time value determination in step 207, according to institute
It states at least one first multimedia file broadcasting initial time and the second multimedia file plays initial time and determines more matchmakers
Body file synchronization plays initial time.
The first timed task of information setting is played simultaneously according in step 208.
Wherein, for the time is played simultaneously at the beginning of first timed task, first timed task includes:From
The multimedia file is played simultaneously initial time and starts to play multimedia file.
Step 209, when reaching at the beginning of first timed task, execute first timed task.
Synchronous broadcast method provided in an embodiment of the present invention may be implemented multiple terminals and multimedia file be played simultaneously, this
Sample, user sees that the information of the multimedia file in each terminal is identical, for example, user sees the video in each terminal
Picture be consistent, to promote bandwagon effect, moreover, more acurrate in synchronization time precision, broadcasting pictures can be complete
It is consistent, also without network delay, network environment is simple and convenient, no extra cost expenditure.
Embodiment three
In synchronous broadcast method provided in an embodiment of the present invention, the multiple terminals for synchronizing broadcasting are in the same local
Under network, the system time of each terminal in multiple terminal keeps clock consistent by calibration, has identical video text
Part.It is equipped in each terminal and software systems is played simultaneously, this is played simultaneously software systems and may include subsystem, disappears
It ceases subsystem, synchronization policy subsystem, play subsystem.
Wherein, subsystem is to control the operational module of whole system;Message subsystem is to send and receive to synchronize to ask
It asks;Synchronization policy subsystem is that decision starts reproduction time and video playing initial time;Subsystem is played according to playing request
Control video playing.
Concrete operations flow is as shown in Figure 3:
Step (1), the software systems that are played simultaneously for starting terminal start subsystem and start to work.
Step (2), subsystem are obtained from synchronization policy subsystem starts reproduction time, video playing initial time.
It should be noted that on the basis of the startup reproduction time of synchronization policy subsystem defaults to terminal present system time
The a cycle that the is delayed again time, video playing initial time defaults to 0, and keeps a record.
Step (3), subsystem set timed task, are to start reproduction time at the beginning of timed task.
Step (4), subsystem notification message subsystem send synchronization message.
Step (5), message subsystem are obtained from synchronization policy subsystem starts reproduction time and video playing initial time,
Obtain synchronization time.
The other terminals of step (6), message subsystem into LAN send synchronization message, and synchronization message includes:Start
Reproduction time and video playing initial time.
Step (7), message subsystem receive the synchronization message that other terminals are sent.
Step (8), message subsystem read the startup reproduction time of other terminals and video playing starting in synchronization message
The startup reproduction time and video playing initial time of other terminals are transmitted to synchronization policy subsystem by the moment, that is, are transmitted and synchronized
Time.
Step (9), in a time cycle, if synchronization policy subsystem did not reset the startup reproduction time of this terminal
With video playing initial time, then the startup reproduction time and video playing initial time of this terminal are reset, starts reproduction time
To be delayed again a cycle time on the basis of terminal present system time, when video playing initial time is currently playing progress
It carves, that is, resets the local synchronization time.
Step (10), synchronization policy subsystem compare the synchronous averaging reproduction time of this terminal, if the synchronization of this terminal
Start reproduction time and be later than the startup reproduction time of distal end, be then subject to the startup reproduction time of this terminal, otherwise to be distally
Standard, and it is recorded as synchronous averaging reproduction time;The video playing initial time of this terminal is compared, if the video playing of this terminal
Initial time is later than distal end, then is subject to the video playing initial time of this terminal, is otherwise subject to distal end, and is recorded as
Synchronization video plays initial time, i.e. decision goes out synchronization time.
Step (11), synchronization policy subsystem inform that subsystem has new startup reproduction time and video playing starting
Moment updates synchronization time.
Step (12), subsystem cancel existing timed task, new timed task of retiming, and new timing is appointed
Carved at the beginning of business is new startup reproduction time, i.e. synchronous averaging reproduction time.
Step (13), subsystem notification message subsystem send synchronization message.
Step (14), message subsystem obtain new startup reproduction time, new video playing from synchronization policy subsystem
Initial time, i.e. synchronous averaging reproduction time, synchronization video play initial time.
The other terminals of step (15), message subsystem into LAN send synchronization message, and synchronization message includes new
Start reproduction time and new video playing initial time, i.e. synchronous averaging reproduction time, synchronization video plays initial time.
After being reached at the beginning of the timed task that step (16), subsystem are arranged, notice plays subsystem.
Step (17), broadcasting subsystem start to play video, and are broadcast since synchronization video plays initial time.
Synchronous broadcast method provided in an embodiment of the present invention may be implemented multiple terminals and video be played simultaneously, specifically can be with
The scene of application includes:Multiple terminals start simultaneously, can reach multiple terminals and be played simultaneously;Have several terminals synchronizing
The new terminal for playing, and having is added, and does not interrupt the playing progress rate of existing several terminals, still be able to allow the terminal being newly added and its
He is played simultaneously terminal;No matter terminal is one or more, and terminal quantity does not have any restrictions;Compare existing hls live streamings, this hair
Bright embodiment provides synchronous broadcast method, and more acurrate in synchronization time precision, broadcasting pictures can be consistent completely, also not had
There is network delay, network environment is simple and convenient, no extra cost expenditure.
Embodiment three
The embodiment of the present invention provides a kind of simultaneously playing device 30, as shown in figure 4, described device 30 includes:Receiving unit
301, acquiring unit 302, determination unit 303, broadcast unit 308, wherein
The receiving unit 301, the first message sent for receiving at least one first terminal, the first message are taken
Band first starts reproduction time and the first multimedia file plays initial time;
The acquiring unit 302, the second startup reproduction time and the second multimedia file for obtaining second terminal are broadcast
Put initial time;
The determination unit 303, for starting reproduction time and at least one first multimedia according at least one first
File plays initial time, the second startup reproduction time, second multimedia file and plays initial time and determine synchronization
Broadcast information;
The broadcast unit 308 plays multimedia file for synchronizing information to be played simultaneously according to.
Further, the determination unit 303, for determine respectively it is at least one first start reproduction time with it is current when
Between time difference be to be worth at the first time, determine that the time difference of the second startup reproduction time and current time is the second time value, also
For the time to be played simultaneously described in being determined according to the first time value and second time value, according to described at least one the
One multimedia file plays initial time and the second multimedia file broadcasting initial time determines that the multimedia file synchronizes and broadcasts
Put initial time.
Further, the information that is played simultaneously includes:The time is played simultaneously, when starting is played simultaneously in multimedia file
It carves;
As shown in figure 4, described device further includes:Processing unit 306,
The determination unit 303, in preset period of time, it is determined whether the startup of resetting second terminal local is broadcast
It puts the time and multimedia file plays initial time;
If the processing unit 306 resets the startup reproduction time of the second terminal local and more for not resetting
Playback of media files initial time, when the second startup reproduction time and the second multimedia file after being reset play starting
It carves.
Further, as shown in figure 4, described device further includes:Setup unit 304, execution unit 305,
The first timed task of information setting is played simultaneously according to described in the setup unit, first timed task
Time started is that the time is played simultaneously, and first timed task includes:Initial time is played simultaneously from the multimedia file
Start to play multimedia file;
The execution unit, for when reaching at the beginning of first timed task, executing first timing
Task.
Further, as shown in figure 5, described device further includes:Transmission unit 307,
The acquiring unit 302 plays initial time for obtaining default startup reproduction time and default multimedia file;
The setup unit 304 is described for setting the second timed task, at the beginning of second timed task
Default to start reproduction time, second timed task includes:It is broadcast since the default multimedia file plays initial time
Put multimedia file;
The transmission unit 307, for sending second message at least one first terminal, the second message is taken
Band is default to start reproduction time and default multimedia file plays initial time so that at least one first terminal according to
The default startup reproduction time and default multimedia file play initial time determination and information are played simultaneously.
Further, as shown in figure 5, described device further includes:Transmission unit 307, for sending third message to described
At least one first terminal, the third message carry described in information is played simultaneously so that at least one first terminal
Multimedia file is played according to the information that is played simultaneously.
Further, the determination unit 303 is specifically used for determining in the first time value and second time value
Maximum value be it is described the time is played simultaneously, be additionally operable to determine that at least one first multimedia file plays initial time and the
It is that initial time is played simultaneously in the multimedia file that two multimedia files, which play the maximum value in initial time,.
In practical applications, the receiving unit 301, acquiring unit 302, determination unit 303, setup unit 304, execution
Unit 305, processing unit 306, transmission unit 307 and broadcast unit 308 can be by the central processing units in terminal
(CPU), the realizations such as microprocessor (MPU), digital signal processor (DSP) or field programmable gate array (FPGA).
Specifically, the understanding of simultaneously playing device provided in an embodiment of the present invention can refer to above-mentioned synchronous broadcast method reality
The explanation of example is applied, details are not described herein for the embodiment of the present invention.
Simultaneously playing device provided in an embodiment of the present invention may be implemented multiple terminals and video be played simultaneously, in this way, user
See that the picture of the video in each terminal is consistent, so that bandwagon effect is promoted, moreover, in synchronization time precision more
Accurately, broadcasting pictures can be consistent completely, and also without network delay, network environment is simple and convenient, no extra cost expenditure.
The embodiment of the present invention also provides a kind of synchronous playing system, which includes that at least two as described above synchronize are broadcast
Device is put, the system time of at least two simultaneously playing device as described above keeps clock consistent, and be in by calibration
The same local area network, and preserve identical multimedia file.The synchronous playing system may be implemented multiple terminals and synchronize to broadcast
Video is put, in this way, user sees that the picture of the video in each terminal is consistent, to, bandwagon effect is promoted, moreover,
More acurrate in synchronization time precision, broadcasting pictures can be consistent completely, and also without network delay, network environment is simply square
Just, no extra cost expenditure.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, the shape of hardware embodiment, software implementation or embodiment combining software and hardware aspects can be used in the present invention
Formula.Moreover, the present invention can be used can use storage in the computer that one or more wherein includes computer usable program code
The form for the computer program product implemented on medium (including but not limited to magnetic disk storage and optical memory etc.).
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device so that count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (15)
1. a kind of synchronous broadcast method, which is characterized in that the method includes:
The first message that at least one first terminal is sent is received, the first message carries first and starts reproduction time and first
Multimedia file plays initial time;
It obtains the second of second terminal and starts reproduction time and the second multimedia file broadcasting initial time;
Start reproduction time according at least one first and at least one first multimedia file plays initial time, described second
Start reproduction time, second multimedia file plays initial time determination and information is played simultaneously;
Multimedia file is played according to the synchronizing information that is played simultaneously.
2. according to the method described in claim 1, it is characterized in that, described start reproduction time and extremely according at least one first
Few first multimedia file plays initial time, the second startup reproduction time, the second multimedia file and plays initial time
Information is played simultaneously in determination, including:
It determines that the time difference that described at least one first starts reproduction time and current time is to be worth at the first time respectively, determines the
Two start the time difference of reproduction time and current time as the second time value;
According to the first time value and second time value determine described in the time is played simultaneously, according to described at least one the
One multimedia file plays initial time and the second multimedia file broadcasting initial time determines that the multimedia file synchronizes and broadcasts
Put initial time.
3. according to the method described in claim 1, it is characterized in that, it is described obtain second terminal second start reproduction time and
Second multimedia file plays initial time, including:
In preset period of time, it is determined whether the startup reproduction time and multimedia file of resetting second terminal local play
Begin the moment;
If not resetting, the startup reproduction time and multimedia file that reset the second terminal local play initial time, obtain
Second after must resetting starts reproduction time and the second multimedia file broadcasting initial time.
4. according to the method described in claim 1, it is characterized in that, the information that is played simultaneously includes:Time, more is played simultaneously
Media file synchronization plays initial time, and synchronizing information is played simultaneously described in the basis and plays multimedia file, including:
The first timed task of information setting is played simultaneously according to described, is to be played simultaneously at the beginning of first timed task
Time, first timed task include:Multimedia file is played since being played simultaneously initial time in the multimedia file;
When reaching at the beginning of first timed task, first timed task is executed.
5. method according to any one of claims 1 to 4, which is characterized in that receive at least one terminal transmission described
First message before, further include:
Obtain it is default start reproduction time and default multimedia file plays initial time, set the second timed task, described the
It is the default startup reproduction time at the beginning of two timed tasks, second timed task includes:From described default more
Playback of media files initial time starts to play multimedia file;
To at least one first terminal, the second message carries default startup reproduction time and presets transmission second message
Multimedia file plays initial time, so that at least one first terminal is according to the default startup reproduction time and in advance
If multimedia file plays initial time, information is played simultaneously in determination.
6. according to the method described in claim 4, determining it is characterized in that, information setting first is played simultaneously described in the basis
When task after, including:
Third message is sent at least one first terminal, the third message carry described in information is played simultaneously so that
It obtains at least one first terminal and information broadcasting multimedia file is played simultaneously according to.
7. according to the method described in claim 2, it is characterized in that, described according to the first time value and second time
The time is played simultaneously described in determining in value, and initial time and the second multimedia are played according at least one first multimedia file
File plays initial time and determines that initial time is played simultaneously in the multimedia file, including:
Determine in the first time value and second time value maximum value be it is described the time is played simultaneously, determine described at least
It is described more that one the first multimedia file, which plays the maximum value that initial time and the second multimedia file play in initial time,
Media file synchronization plays initial time.
8. a kind of simultaneously playing device, which is characterized in that described device includes:Receiving unit, determination unit, is broadcast acquiring unit
Put unit, wherein
The receiving unit, the first message sent for receiving at least one first terminal, the first message carry first
Start reproduction time and the first multimedia file plays initial time;
The acquiring unit, when starting reproduction time and the broadcasting starting of the second multimedia file for obtaining the second of second terminal
It carves;
The determination unit, for starting reproduction time and the broadcasting of at least one first multimedia file according at least one first
Initial time, the second startup reproduction time, second multimedia file play initial time determination and information are played simultaneously;
The broadcast unit plays multimedia file for synchronizing information to be played simultaneously according to.
9. device according to claim 8, which is characterized in that the determination unit, for determining at least one respectively
One time difference for starting reproduction time and current time was to be worth at the first time, determined the second startup reproduction time and current time
Time difference is the second time value, when being additionally operable to according to being played simultaneously described in the first time value and second time value determination
Between, initial time is played according at least one first multimedia file and the second multimedia file plays initial time and determines
Initial time is played simultaneously in the multimedia file.
10. the device stated according to claim 8, which is characterized in that described device further includes:Processing unit,
The determination unit, in preset period of time, it is determined whether the startup reproduction time of resetting second terminal local
Initial time is played with multimedia file;
If the processing unit resets the startup reproduction time and multimedia text of the second terminal local for not resetting
Part plays initial time, and second after being reset starts reproduction time and the second multimedia file plays initial time.
11. device according to claim 8, which is characterized in that the information that is played simultaneously includes:Be played simultaneously the time,
Initial time is played simultaneously in multimedia file;
Described device further includes:Setup unit, execution unit,
The first timed task of information setting, the beginning of first timed task is played simultaneously according to described in the setup unit
Time is that the time is played simultaneously, and first timed task includes:Since being played simultaneously initial time in the multimedia file
Play multimedia file;
The execution unit, for when reaching at the beginning of first timed task, executing first timed task.
12. according to claim 8 to 11 any one of them device, which is characterized in that described device further includes:Transmission unit,
The acquiring unit plays initial time for obtaining default startup reproduction time and default multimedia file;
The setup unit is that described preset is opened for setting the second timed task, at the beginning of second timed task
Dynamic reproduction time, second timed task include:More matchmakers are played since the default multimedia file plays initial time
Body file;
The transmission unit, for sending second message at least one first terminal, the second message carries default
Start reproduction time and default multimedia file plays initial time, so that at least one first terminal is according to described pre-
If starting reproduction time and default multimedia file playing initial time determination and information is played simultaneously.
13. according to the devices described in claim 11, which is characterized in that described device further includes:Transmission unit, for sending the
Three message give at least one first terminal, the third message carry described in information is played simultaneously so that it is described at least
Information is played simultaneously according to and plays multimedia file for one first terminal.
14. device according to claim 9, which is characterized in that the determination unit, when being specifically used for determining described first
Between in value and second time value maximum value be it is described the time is played simultaneously, be additionally operable to determine at least one matchmaker more than first
Body file plays initial time and the second multimedia file plays the maximum value in initial time and synchronized for the multimedia file
Play initial time.
15. a kind of synchronous playing system, which is characterized in that the system comprises:At least two any one of such as claim 8-14
The simultaneously playing device, described at least two such as claim 8-14 any one of them simultaneously playing devices are in same
A local area network.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235533.1A CN108696762A (en) | 2017-04-12 | 2017-04-12 | A kind of synchronous broadcast method, device and system |
| PCT/CN2017/115794 WO2018188365A1 (en) | 2017-04-12 | 2017-12-13 | Synchronous playback method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710235533.1A CN108696762A (en) | 2017-04-12 | 2017-04-12 | A kind of synchronous broadcast method, device and system |
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| CN108696762A true CN108696762A (en) | 2018-10-23 |
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| WO (1) | WO2018188365A1 (en) |
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| WO2018188365A1 (en) | 2018-10-18 |
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