CN105898506A - Method and system for multi-screen playing of media files - Google Patents
Method and system for multi-screen playing of media files Download PDFInfo
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- CN105898506A CN105898506A CN201610286504.3A CN201610286504A CN105898506A CN 105898506 A CN105898506 A CN 105898506A CN 201610286504 A CN201610286504 A CN 201610286504A CN 105898506 A CN105898506 A CN 105898506A
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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
- H04N21/43—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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- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8547—Content authoring involving timestamps for synchronizing content
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The embodiment of the invention provides a method and system for multi-screen playing of media files. The method comprises the steps that video files and audio files related to the video files are collected from the media files; the video files and the audio files are encoded, and timestamp information is inserted; the video files and the audio files in which the timestamp information is inserted are cached; and when a caching capacity reaches a threshold value, the relevant video files and the relevant audio files are sent to external equipment via independent transmission channels respectively based on the timestamp information. The method and system for the multi-screen playing of the media files provided by the embodiment of the invention are characterized in that the video files and the related audio files are collected, caching is carried out at first and then the files are sent via the independent channels respectively based on timestamp codes. In this way, the defect in the prior art that synchronization of videos and audios cannot be realized in multi-screen interactions can be overcome, and synchronous playing of sounds and images is implemented.
Description
Technical field
The present embodiments relate to multi-screen interactive technical field, the multi-screen particularly relating to a kind of media file is broadcast
Put method and system.
Background technology
Multi-screen interactive refers to use IGRS protocol, Miracast agreement etc., by WIFI network even
Connect, (as common based on different operating systems such as Ios, Android, Symbian in different multimedia terminal
Different intelligent terminal unit on system, such as mobile phone, between PAD, TV etc.), multimedia can be carried out
The sequence of operations such as the transmission of (audio frequency, video, picture) content, resolves, and shows, control.Can
Content is shown, the multimedia life of abundant user to share on different platform equipment simultaneously.
Prior art is primarily directed to video pictures and carries out multi-screen synchronous process, it is impossible to realize to audio frequency/
The effect of video multiple screen synchronization interactive.Further, although to propose audio frequency many in some Internet service providers
Screen interaction, but the synchronization of Voice & Video when cannot realize multi-screen interactive is carried out, and has a strong impact on
Consumer's Experience.
Summary of the invention
The embodiment of the present invention provides many screen playing methods and the system of a kind of media file, existing in order to solve
Present in technology, sound draws one or more problems such as cannot synchronizing.
The embodiment of the present invention provides many screen playing methods of a kind of media file, including:
Gather the video file in media file and the audio file associated with described video file；
Described video file and audio file are encoded and inserts timestamp information；
Caching is inserted with video file and the audio file of timestamp information；
When buffer memory capacity reaches threshold value, based on timestamp information, to corresponding video file and audio frequency literary composition
Part uses independent transmission channel to send to external equipment respectively.
The embodiment of the present invention provides many screen playing methods of a kind of media file, including:
Receive and cache the video file with timestamp information and audio file；
When buffer memory capacity reaches threshold value, based on timestamp information, described video file and audio file are entered
Row synchronizes to play.
The embodiment of the present invention provides the multi-screen Play System of a kind of media file, including:
Collecting unit, is configured to the video file gathered in media file and the sound associated with video file
Frequency file；
Coding unit, is configured to video file and audio file be encoded and inserted timestamp letter
Breath；
Buffer unit, is configured to cache video file and the audio file being inserted with timestamp information；With
And
Transmitting element, is configured to when the buffer memory capacity of buffer unit reaches threshold value, believes based on timestamp
Breath, uses corresponding video file and audio file independent transmission channel to send respectively and sets to outside
Standby.
The embodiment of the present invention provides the multi-screen Play System of a kind of media file, including:
Receive unit, be configured to receive and cache the video file with timestamp information and audio frequency literary composition
Part；And
Broadcast unit, is configured to, when buffer memory capacity reaches threshold value, regard described based on timestamp information
Frequency file and audio file carry out synchronizing to play.
Many screen playing methods of the media file that the embodiment of the present invention provides and system, by multi-screen interactive
Terminal on set up buffering, and use different resume module Voice & Videos, and use difference
Transmission channel transmission Voice & Video, overcome multi-screen interactive in prior art be unable to reach sound draw synchronize
Defect, it is achieved that sound during multi-screen interactive is drawn and is synchronized, and improves Consumer's Experience.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that under,
Accompanying drawing during face describes is some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the implementation environment schematic diagram involved by the embodiment of the present invention；
Fig. 2 is an embodiment flow chart of many screen playing methods of the media file of the present invention；
Fig. 3 is another embodiment flow chart of many screen playing methods of the media file of the present invention；
Fig. 4 is another embodiment flow chart of many screen playing methods of the media file of the present invention；
Fig. 5 is an example structure schematic diagram of the multi-screen Play System of the media file of the present invention；
Fig. 6 is another example structure schematic diagram of the multi-screen Play System of the media file of the present invention；
Fig. 7 is the computer system of terminal unit or the server that can apply to realize the embodiment of the present invention
Structural representation.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
It should be noted that in the case of not conflicting, the embodiment in the application and the spy in embodiment
Levy and can be mutually combined.Describe the application below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Refer to Fig. 1, it illustrates the implementation environment schematic diagram involved by the embodiment of the present invention.
As it is shown in figure 1, Multi-screen interaction system 100 can include two and plural media play sets
Standby 101,102,104 and network 103.Network 103 can include various connection type, such as, have
Line, wireless communication link or fiber optic cables etc..User 110 can use apparatus for media playing
101,102,104 is mutual by network 103, to receive or to send message, synchronizes viewing video, biography
Defeated file etc..Can be provided with various telecommunication customer end on apparatus for media playing 101,102,104 should
With, such as JICQ, mailbox client, social platform software, audio frequency and video software etc..
Apparatus for media playing 101,102 and 104 can be various electronic equipment, includes but not limited to individual
People's computer, smart mobile phone, panel computer, personal digital assistant, wearable device etc., terminal unit
101,102 can also is that intelligent appliance, router etc..
When realizing multi-screen interactive, each apparatus for media playing can serve as the initiator of multi-screen interactive,
Multi-screen interactive request is initiated, by the friendship between apparatus for media playing two-by-two to other apparatus for media playing
Mutually, media file is played out on two and plural apparatus for media playing.This media file
Can be video, audio frequency or picture etc..Briefly, it is simply that the screen of several equipment, by special
Connection equipment just can interconnect conversion；Film on such as mobile phone can be play on TV, flat board
On picture can share on TV, the content of computer can project on TV；Multi-screen interactive technology
It is critical only that synchronization quick and seamless between multiple equipment, be generally used for the media such as mobile video picture and text
Share.
In the present invention, can be communicated by network 103 between apparatus for media playing two-by-two, wherein net
Network 103 can be wireless or cable network, and the interconnection protocol being based on includes WirelessHD technology
(WiDi), DLNA (DLNA) agreement, IGRS protocol etc..
It should be understood that the number of apparatus for media playing in Fig. 1 and network is only schematically.According to
Realize needing, can have any number of apparatus for media playing and network.
With reference to Fig. 2, it illustrates an embodiment stream of many screen playing methods of the media file of the present invention
Journey Figure 200.
As in figure 2 it is shown, in step 201, the video file in media file and and video file are gathered
The audio file of association.
In the present embodiment, use respectively different module gather the video file in media file and with regard
The audio file of frequency file association.Owing to using different module collections and process, process effect can be improved
Rate, allows user have preferably experience.The apparatus for media playing gathering file can e.g. intelligent television.
In step 201, video file and audio file encoded and insert timestamp information.
In the present embodiment, video file and audio file are respectively adopted different module codings, and are compiling
During Ma, joining day stamp information, has reached the synchronization to video and audio frequency.
In the present embodiment, can be such as 1S between two flag bits of the timestamp of insertion, the application
The most do not limit.
Afterwards, in step 203, caching is inserted with video file and the audio file of timestamp information.
In the present embodiment, by first the video file and audio file being inserted with timestamp information being carried out
Caching, the process after can allowing is more smooth and easy.
In the present embodiment, the video file with timestamp information and the audio file of caching are the most permissible
It is in a timestamp time span, intercept a number of audio frame and a number of frame of video, this
Application does not the most limit.
Finally, in step 204, when buffer memory capacity reaches threshold value, based on timestamp information, to phase
The video file answered and audio file use independent transmission channel to send to external equipment respectively.
In the present embodiment, by setting cache threshold, when a threshold is exceeded, just based on timestamp information
Send to external equipment, and when sending, video file and audio file use different transmission to lead to respectively
Road.Wherein, the threshold value of caching can be to determine according to currently used equipment and network environment, such as,
When equipment and network environment conditions are relatively good, the comparison that can threshold value be adjusted is high, and the application does not has in this regard
Restricted.Threshold value can the frame number of e.g. Voice & Video, the application does not the most limit.By
In adding threshold value, the most just start toward outgoing, it is ensured that have ready file always
Etc. to be sent, it is thus possible to ratio is smoothly, user also can have reasonable experience.Further, since video solution
Analysis ratio is relatively time-consuming, and audio frequency resolves ratio comparatively fast, by inserting timestamp, when being sent out, is based on
Timestamp information, sends the video file of identical time stamp information and audio file, it is possible to achieve audio frequency and
Audio video synchronization.Afterwards, video file and audio file use independent transmission channel send respectively to outward
Portion's equipment, it is also possible to realizing transmitting quickly and processing, wherein, independent transmission channel can be such as
Video transmits based on Transmission Control Protocol, and audio frequency transmits based on udp protocol.
In the present embodiment, owing to using different modules when gathering video file and audio file, coding
During, respectively video file and audio file are inserted timestamp, the most first cache, wait caching to reach
During to certain threshold value, sending to external equipment, it is possible to achieve process quickly and transmit, owing to inserting
Timestamp, video file and the synchronization of audio file after also ensureing, user's body can be promoted well
Test.
With further reference to Fig. 3, it illustrates another of many screen playing methods of the media file of the present invention
Embodiment flow chart 300.
As it is shown on figure 3, in step 301, gather the video file in media file and with described video
The audio file of file association.
In the present embodiment, different modules is divided to gather video file respectively and associate with described video file
Audio file.Picking rate can be improved.
In step 302, video file and audio file encoded and insert timestamp information.
In the present embodiment, when video file and audio file being carried out coded time division and not inserting corresponding
Between stab information, beneficially the later stage process time make audio-visual synchronization according to timestamp information.To audio frequency and video
Timestamp information is inserted, based on identical timestamp when can ensure well to send afterwards during document No.
Information sends, thus reaches the synchronization of audio & video.
In step 303, caching is inserted with video file and the audio file of timestamp information.
In the present embodiment, by first the video file and audio file encoding and inserting timestamp being entered
Row cache, the beneficially later stage relevant treatment to file, it is ensured that the later stage processes more smooth and easy, thus can
To realize synchronization and the smoothness of user's playing audio-video.
In step 304, when buffer memory capacity reaches threshold value, based on timestamp information, to regarding accordingly
Frequency file and audio file use independent transmission channel to send to external equipment respectively.
In the present embodiment, by first the audio-video document cached to be used respectively difference based on timestamp
Transmission channel be transmitted, thus realize send quickly and transmit.
In step 305, transmit during external equipment in transmission when video file and audio file
Failure, empties the video file and audio file cached.
In the present embodiment, when network is bad, it is possible that bust this or the situation of packet loss,
Show during broadcasting is then card, and Consumer's Experience is the most bad.In the present embodiment, by emptying
The file of caching, such that it is able to cache new file, when waiting network recovery, user will not see card
Video, but sensation F.F. a bit (if the ratio of network recovery is very fast, user is the most imperceptible
Have the operation of any F.F. etc), thus realize more preferable Consumer's Experience.
Compared with flow process Figure 200, the step 301 in flow chart 300 to step 304 and flow process Figure 200
In step 201 to step 204 one_to_one corresponding, the relevant solution to step 201 to step 204 before
Release and be equally applicable to step 301 to step 304 with explanation；Unlike flow process Figure 200, flow chart
In 300, add new step 305, such that it is able to realize network bad time, abandon in caching bad
File, thus vacating space caching alternative document, preferably promote Consumer's Experience.
With further reference to Fig. 4, it illustrates another of many screen playing methods of the media file of the present invention
Embodiment flow chart 400.
As shown in Figure 4, in step 401, receive and cache the video file with timestamp information and
Audio file.
In the present embodiment, the apparatus for media playing receiving file can e.g. smart mobile phone, this intelligence
Mobile phone can be the mobile phone possessing multi-screen interactive function, the mobile phone of such as Android more than 4.2, the application
The most do not limit.This apparatus for media playing receives from another apparatus for media playing such as intelligent television
The video file sent and audio file, with timestamp information in this document, so can when receiving file
Being to receive relevant video file and audio file based on timestamp information, it is also possible to when being caching based on
Video file and audio file are cached by identical timestamp information.By caching with the identical time
The video file of stamp information and audio file, it is ensured that the later stage can reach sound and draw synchronization when playing.
In the present embodiment, owing to the parsing of audio frequency is than very fast, and the parsing of video is relatively time-consuming, so
Different modules can be used to receive respectively, resolve and buffered video and audio file, such as, can use
Video module receives and buffered video, uses audio-frequency module to receive, resolves and buffered audio, and the application exists
The most do not limit.
Then, in step 402, when buffer memory capacity reaches threshold value, based on timestamp information to described
Video file and audio file carry out synchronizing to play.
In the present embodiment, the buffer memory capacity of apparatus for media playing has a threshold value, and this threshold value can be root
Being configured according to facility information and network condition, the application does not the most limit.When having cached one
After/, it is possible to play video and the audio frequency of caching according to the timestamp information described in file, thus
The synchronization realizing Voice & Video is play.
In the present embodiment, threshold value such as could be arranged to the frame number of the audio or video of caching, such as may be used
To intercept a number of audio frame and a number of frame of video in a timestamp time span when slow
When depositing frame number to some, picture and audio frequency can be pushed, it is achieved Voice & Video during multi-screen interactive
Synchronization play.
In some optional embodiments, threshold value such as could be arranged to the frame number of video or audio frequency, such as
Having cached 5 frames just can commence play out, the application does not the most limit.
Send after being only responsible for external equipment is connected by multi-screen due to the apparatus for media playing in the present embodiment
Voice & Video be received, resolve caching and play.When network is bad, the file of caching is
All finishing playing, then user can be pointed out to cache such as display " Loading ", the application exists
The most do not limit.
Many screen playing methods of the media file of the present embodiment are permissible owing to adding timestamp and caching mechanism
Ensure that audio frequency and video preferably synchronize to play, promote Consumer's Experience.
In some optional embodiments, it is also possible to received by control when playing video and play video
Realize encoded video and the manipulation of one end of audio frequency with one end of audio frequency.Wherein receiving broadcasting end can be with example
Smart mobile phone in this way, such as, can add editing equipment management device in smart mobile phone, by response user
In the click of mobile phone terminal, to coding side can be such as intelligent television transmission control instruction thus control intelligence
TV.Wherein, concrete implementation can be to utilize Monkey mechanism, by obtaining user at Mobile phone screen
On curtain, certain position clicks on thus to the click of intelligent television transmission relevant position same type, it is achieved many
Control between screen equipment, the click type that this mechanism can be supported have long double hit, short click, drag, sliding
Moving, the application does not the most limit.
Fig. 5 is an example structure schematic diagram of the multi-screen Play System of the media file of the present invention.
As it is shown in figure 5, the multi-screen Play System 500 of media file includes that collecting unit 501, coding are single
Unit 502, buffer unit 503 and transmitting element 504.Wherein, collecting unit 501, it is configured to gather
Video file in media file and the audio file associated with video file；Coding unit 502, configuration
For video file and audio file being encoded and inserting timestamp information；Buffer unit 503, joins
Put video file and the audio file being inserted with timestamp information for caching；And transmitting element 504,
It is configured to when the buffer memory capacity of buffer unit reaches threshold value, based on timestamp information, to regarding accordingly
Frequency file and audio file use independent transmission channel to send to external equipment respectively.
In the present embodiment, multi-screen Play System 500 is by using different modules respectively to audio file
It is acquired with video file, inserts corresponding timestamp information when coding afterwards, certain when being cached to
Different transmission channels is divided to send the video file and sound cached based on corresponding timestamp information again during capacity
Frequency file, such that it is able to realize video file and the synchronous transfer of the audio file of associated.
In some optional embodiments, timestamp such as could be arranged to 1s, and threshold value such as can basis
The frame number of video or audio frequency is arranged, and the application does not the most limit.Can be with system time for ginseng
According to point, gathering the frame of video in Frame and audio frame with the time span of timestamp, the application is side at this
Face does not limit.
In other optional embodiments, transmitting element 504 still further comprise video transmitting element and
Audio frequency transmitting element (not shown).Wherein, video transmitting element, it is configured to work as buffer unit
Video cache capacity when reaching threshold value, based on timestamp information, corresponding video file is used TCP
Agreement sends；And audio frequency transmitting element, it is configured to when the audio buffer capacity of buffer unit reaches threshold
During value, based on timestamp information, udp protocol is used to send audio file.Different by using
Passage sends video file and audio file respectively, it is possible to achieve transmit quickly.
With further reference to Fig. 6, it illustrates another of multi-screen Play System of the media file of the present invention
Example structure schematic diagram.
As shown in Figure 6, the multi-screen Play System 600 of media file includes receiving unit 601 and playing single
Unit 602.Wherein, receive unit 601, be configured to receive and cache the video with timestamp information
File and audio file；And broadcast unit 602, it is configured to when buffer memory capacity reaches threshold value, base
Carry out synchronizing to play to described video file and audio file in timestamp information.
In the present embodiment, it is possible to use different modules receives the video literary composition with timestamp information respectively
Part and audio file, resolve it the most respectively and cache, when caching reaches certain capacity, i.e.
Timestamp information can be started based on it is played out.Wherein, timestamp can e.g. 1S, threshold value can
With for example, video or the frame number of audio frequency, such as, being set to 5 frames, the application does not the most limit.
Caching and the step play is received, it is possible to achieve sound is drawn and synchronized by relevant.
Should be appreciated that all unit described in Fig. 5 and Fig. 6 and the method with reference to described in Fig. 3, Fig. 4
In each step corresponding.Thus, the operation described above with respect to method and feature and corresponding skill
All unit that art effect is equally applicable in Fig. 5 and Fig. 6, do not repeat them here.
It should be noted that the unit in embodiments of the invention is not limited to the solution of the present invention,
Such as collecting unit can be described as the video file for gathering in media file and associate with video file
The unit of audio file.Furthermore it is also possible to realize related function module, example by hardware processor
As collecting unit can also realize with processor, do not repeat them here.
Fig. 7 is the computer system of terminal unit or the server that can apply to realize the embodiment of the present invention
The structural representation of 700.
As it is shown in fig. 7, computer system 700 includes CPU (CPU) 701, it can root
It is loaded at random according to the program being stored in read only memory (ROM) 702 or from storage part 708
Access the program in memorizer (RAM) 703 and perform various suitable action and process.At RAM703
In, also storage has system 700 to operate required various programs and data.CPU 701, ROM 702 with
And RAM 703 is connected with each other by bus 704.Input/output (I/O) interface 705 is also connected to always
Line 704.
It is connected to I/O interface 705: include the importation 706 of keyboard, mouse etc. with lower component；Including
The such as output part of cathode ray tube (CRT), liquid crystal display (LCD) etc. and speaker etc.
707；Storage part 708 including hard disk etc.；And include such as LAN card, modem etc.
The communications portion 709 of NIC.Communications portion 709 performs communication via the network of such as the Internet
Process.Driver 710 is connected to I/O interface 705 also according to needs.Detachable media 711, such as magnetic
Dish, CD, magneto-optic disk, semiconductor memory etc., be arranged in driver 710 as required, with
The computer program being easy to read from it is mounted into storage part 708 as required.
Especially, according to embodiments of the invention, the process described above with reference to flow chart can be implemented
For computer software programs.Such as, embodiments of the invention include a kind of computer program, its bag
Including the computer program being tangibly embodied on machine readable media, described computer program comprises for holding
The program code of the method shown in row flow chart.In such embodiments, this computer program can lead to
Cross communications portion 709 to be downloaded and installed from network, and/or be mounted from detachable media 711.
Device embodiment described above is only schematically, wherein said illustrates as separating component
Unit can be or may not be physically separate, the parts shown as unit can be or
Person may not be physical location, i.e. may be located at a place, or can also be distributed to multiple network
On unit.Some or all of module therein can be selected according to the actual needs to realize the present embodiment
The purpose of scheme.Those of ordinary skill in the art are not in the case of paying performing creative labour, the most permissible
Understand and implement.
Through the above description of the embodiments, those skilled in the art is it can be understood that arrive each reality
The mode of executing can add the mode of required general hardware platform by software and realize, naturally it is also possible to by firmly
Part.Based on such understanding, the portion that prior art is contributed by technique scheme the most in other words
Dividing and can embody with the form of software product, this computer software product can be stored in computer can
Read in storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions with so that one
Computer equipment (can be personal computer, server, or the network equipment etc.) performs each to be implemented
The method described in some part of example or embodiment.
Last it is noted that above example is only in order to illustrate technical scheme, rather than to it
Limit；Although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area
Personnel it is understood that the technical scheme described in foregoing embodiments still can be modified by it, or
Person carries out equivalent to wherein portion of techniques feature；And these amendments or replacement, do not make corresponding skill
The essence of art scheme departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (12)
1. many screen playing methods of media file, including:
Gather the video file in media file and the audio file associated with described video file；
Described video file and audio file are encoded and inserts timestamp information；
Caching is inserted with video file and the audio file of timestamp information；
When buffer memory capacity reaches threshold value, based on timestamp information, to corresponding video file and
Audio file uses independent transmission channel to send to external equipment respectively.
Method the most according to claim 1, described method also includes:
When described video file and audio file occur transmission to lose during transmission to external equipment
Lose, empty the described video file and audio file cached.
Method the most according to claim 1, wherein, to corresponding video file and audio frequency literary composition
Part uses independent transmission channel transmission to include to external equipment respectively:
Transmission Control Protocol is used to send video file；And
Udp protocol is used to send audio file.
4. according to the method according to any one of claim 1-3, described threshold value include predetermined video or
Audio frame number.
5. many screen playing methods of media file, including:
Receive and cache the video file with timestamp information and audio file；
When buffer memory capacity reaches threshold value, based on timestamp information to described video file and audio frequency
File carries out synchronizing to play.
Method the most according to claim 4, described threshold value includes predetermined video or audio frame
Number.
7. a multi-screen Play System for media file, including:
Collecting unit, be configured to gather the video file in media file and with described video literary composition
The audio file of part association；
Coding unit, is configured to described video file and audio file are encoded and inserted
Timestamp information；
Buffer unit, is configured to cache video file and the audio frequency literary composition being inserted with timestamp information
Part；And
Transmitting element, is configured to when the buffer memory capacity of described buffer unit reaches threshold value, base
In timestamp information, corresponding video file and audio file use independent transmission lead to respectively
Road sends to external equipment.
System the most according to claim 7, described system also includes:
Empty unit, be configured to when described transmitting element sends described video file and audio frequency literary composition
Part, to when there is bust this during external equipment, empties the described video file and sound cached
Frequency file.
System the most according to claim 7, wherein, transmitting element farther includes:
Video transmitting element, is configured to when the video cache capacity of described buffer unit reaches threshold
During value, based on timestamp information, Transmission Control Protocol is used to send corresponding video file；And
Audio frequency transmitting element, is configured to when the audio buffer capacity of described buffer unit reaches threshold
During value, based on timestamp information, udp protocol is used to send audio file.
10. according to the system according to any one of claim 7-9, described threshold value include predetermined video or
Audio frame number.
The multi-screen Play System of 11. 1 kinds of media files, including:
Receive unit, be configured to receive and cache the video file with timestamp information and sound
Frequency file；And
Broadcast unit, is configured to when buffer memory capacity reaches threshold value, based on timestamp information pair
Described video file and audio file carry out synchronizing to play.
12. systems according to claim 11, described threshold value includes predetermined video or audio frame
Number.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455123A (en) * | 2016-10-31 | 2017-02-22 | 努比亚技术有限公司 | Information processing method and terminal |
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