CN101859582A - Method and device for playing audio and video in multi-window - Google Patents
Method and device for playing audio and video in multi-window Download PDFInfo
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- 230000001360 synchronised effect Effects 0.000 claims description 17
- 238000005194 fractionation Methods 0.000 claims description 4
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- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
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Abstract
The invention provides a method and a device for playing audio and video in multi-window. Through splitting a plurality of audio and video files to be played into audio and video files with corresponding track number, the audio and video file of each track corresponds to one play window and is split into a plurality of segments of audio and video files which are sequentially played in corresponding windows. Through splitting and playing segment by segment, the information amount is greatly reduced, the problem that the audio and video cannot be played in multi-window because the information amount to be processed is restricted in the practical application is solved, and the application of the multi-window technique is widened.
Description
Technical field
The present invention relates to multimedia technology field, particularly relate to a kind of method and apparatus of a plurality of window playing audio-videos.
Background technology
Along with development of science and technology, people more and more pay attention to the enjoyment of literal, figure, image, animation, sound and the video aspect of this people's of directly acting on sense organ of multimedia.In recent years, in multimedia technology field, a plurality of windows that emerge hommization again show that the user can watch two or more audio-video document simultaneously in a plurality of windows.
Conventional demonstration has the screen display device of a plurality of windows, for example personal computer, mobile phone or this kind equipment, have a plurality of window managers, it is applicable to that response is from two or more audio-video document playing request, in a plurality of windows, show corresponding audio-video document according to priority, produce effect similar in appearance to picture-in-picture.Yet, because each audio-video document occupation space is bigger, plays a plurality of audio-video documents simultaneously and will take very big space, in the playing process, effect is often not really desirable.This The Application of Technology is very limited, especially in the application of mobile phone, mobile phone is compared with personal computer, littler at the hardware aspect internal memory, arithmetic speed does not catch up with far away, playing a plurality of audio-video documents simultaneously in a plurality of windows almost is impossibility, unless the mobile phone configuration is high, makes the cost of mobile phone too high so again.
Therefore because of the present circumstance, the problem that the current those skilled in the art of needs solve is exactly: how to realize a plurality of window playing audio-videos, and to satisfy the more applications demand, all undesirable phenomenon that occurs in avoiding using.
Summary of the invention
Technical matters to be solved by this invention provides a kind of method and apparatus of a plurality of window playing audio-videos, can play a plurality of audio frequency and video in a plurality of windows simultaneously.
In order to address the above problem, the invention discloses a kind of method of a plurality of window playing audio-videos, described method comprises:
A plurality of audio-video documents of needs broadcast are split as simultaneously the audio-video document of respective rail number;
The audio-video document of each track is split into the multistage audio-video document simultaneously;
Each track audio-video document is play in a window, and the multistage audio-video document of each track is play in respective window successively.
Preferably, the described fractionation simultaneously adopts the mode of multithreading to finish.
Preferably, described method also comprises:
Every section audio-video document after splitting is carried out audio-video signal to be separated;
Send the Voice ﹠ Video signal after separating to corresponding broadcast window respectively;
Delivery time according to the Voice ﹠ Video signal is poor, carries out synchronous playing again after the Voice ﹠ Video signal of waiting until every section audio-video document all arrives broadcast window.
Preferably, the Voice ﹠ Video signal after the described separation adopts the frequency of fixed proportion to transmit respectively.
The present invention also provides a kind of device of a plurality of window playing audio-videos, and described device comprises:
First split cells is used for a plurality of audio-video documents that needs are play are split as a plurality of track audio-video documents simultaneously;
Second split cells is used for each track audio-video document of a plurality of track audio-video documents is split into the multistage audio-video document simultaneously;
Broadcast unit is used for each track audio-video document is play at a window, and the multistage audio-video document is play successively.
Preferably, described first split cells and second split cells all adopt the mode of multithreading to work.
Preferably, described broadcast unit also comprises:
Segregant unit: be used for that every section audio-video document after splitting is carried out audio-video signal and separate;
Transmit subelement: be used for the Voice ﹠ Video signal after separating is transmitted respectively;
Synchronous playing subelement: be used for the audio or video signal that is sent to is earlier waited for that corresponding video or audio frequency arrive the back synchronous playing.
Preferably, described transmission subelement adopts the frequency of fixed proportion to transmit respectively to the Voice ﹠ Video signal after separating.
Compared with prior art, the present invention has the following advantages:
At first, the invention provides a kind of method and apparatus of a plurality of window playing audio-videos, be split as the audio-video document of respective rail number by a plurality of audio-video documents that will need to play, the corresponding broadcast window of the audio-video document of each track, and the audio-video document of each track is split into the multistage audio-video document, play in respective window successively, play by splitting the back segmentation, reduced quantity of information greatly, solved in the practical application because of the limited problem that can not a plurality of window playing audio-videos of process information amount, the application of having widened a plurality of window techniques.
Secondly, the present invention separates by every section audio-video document after splitting is carried out audio-video signal, send the Voice ﹠ Video signal after separating to corresponding broadcast window respectively, delivery time according to the Voice ﹠ Video signal is poor, by the time the Voice ﹠ Video signal of every section audio-video document carries out synchronous playing after all arriving broadcast window again, realize the synchronous of the same window broadcast sound intermediate frequency signal and vision signal, also promptly realize traditional audio lip sync, further promoted people's pleasure of the senses.
Description of drawings
Fig. 1 is the method flow diagram of the embodiment of the invention one described a kind of a plurality of window playing audio-videos;
Fig. 2 is the method flow diagram that the embodiment of the invention one described a kind of 5 windows are play 5 audio frequency and video;
Fig. 3 is the method flow diagram of the embodiment of the invention two described a kind of a plurality of window playing audio-videos;
Fig. 4 is the structure drawing of device of the embodiment of the invention three described a kind of a plurality of window playing audio-videos.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Embodiment one:
With reference to Fig. 1, show the method flow diagram of a kind of a plurality of window playing audio-videos of the present invention.
S101, a plurality of audio-video documents that needs are play are split as the audio-video document of respective rail number simultaneously;
The audio-video document that needs are play is split as the audio-video document of respective rail number simultaneously, adopts the method for multithreading to split simultaneously.Multithreading can walk abreast at one time and finish the multi-task.Each task does not need the wait of sorting, and reduces standby time, has improved resource utilization.
S102 splits into the multistage audio-video document simultaneously with the audio-video document of each track;
The audio-video document of each track is split as the multistage audio-video document simultaneously, adopts the method for multithreading to split equally.
S103, each track audio-video document is play in a window, and the multistage audio-video document of each track is play in respective window successively.
Each track audio-video document is play in a window, the multistage audio-video document of each track is play in respective window successively, also promptly: many parts of audio-video documents carry out orderly processing and broadcast, handle in the many parts of audio-video documents after first part, play first part, handle second part when playing first part of audio-video document, by that analogy, till each section audio-video document all plays in each track audio-video document.
For describing a kind of method of a plurality of window playing audio-videos in detail, be specifically introduced for example in the present embodiment.Suppose currently need in 5 windows, play 5 audio-video documents, wherein each audio-video document all has 100M, playing these 5 audio-video documents so simultaneously just needs to handle the quantity of information of 500M, the quantity of information that can handle is 150M, as seen, can not finish 5 windows according to present situation and play 5 audio frequency and video simultaneously.The audio-video document that a plurality of window of the present invention is play can be identical or different audio frequency and video.
It is how to realize a plurality of window playing audio-video documents that following mask body is introduced method of the present invention, with reference to Fig. 2, shows the method flow diagram that 5 windows are play 5 audio frequency and video simultaneously.Concrete treatment scheme is:
S201 is split as 5 audio-video documents the audio-video document of 5 tracks;
5 audio-video documents of needs broadcast are split as simultaneously the audio-video document of 5 tracks;
S202 is split as 10 sections audio-video documents with the audio-video document of each track;
The audio-video document of 5 tracks is split as 10 sections audio-video documents simultaneously, and the audio-video document of each track is 100M, and every section audio-video document is 10M in each the track audio-video document after the fractionation.
S203 plays each track audio frequency and video;
5 track audio-video documents are play in 5 windows respectively simultaneously, and 10 sections audio-video documents in each track audio-video document are play in corresponding window successively, and audio-video document is generally handled earlier in playing in player, plays again.Concrete is operating as: simultaneously first section in 10 sections audio-video documents in each audio-video document is handled earlier, play first section after handling first section well, handle second section audio-video document simultaneously, by that analogy, know in each track audio-video document each section audio-video document all till corresponding window was always play, 5 audio-video documents also promptly will playing are all finished broadcast at corresponding window.Wherein 5 track files all divide 10 sections to play successively, every section audio-video document of current broadcast all is 10M in each track file, the audio-video document of such 5 tracks is play simultaneously, the information that needs to handle also only is 50M, and 5 windows can be play the audio frequency and video that 5 needs are play smoothly simultaneously.
As seen, the method of a kind of a plurality of window playing audio-videos of the present invention, behind the audio-video document that splits a plurality of tracks in back, audio-video document with each track is split as the multistage audio-video document again, segmentation is play in respective window, need to have reduced the quantity of information handled greatly, solved in the practical application because of the limited problem that can not a plurality of window playing audio-videos of process information amount, the application of having widened a plurality of window techniques.
The foregoing description is intended to introduce a kind of method of a plurality of window playing audio-videos, wherein 5 windows, 5 audio-video documents, each audio-video document are 100M, the quantity of information that can handle is 150M and is split as 10 sections, all be for specific description method of the present invention directly perceived, variation because of concrete environment in the real work is different, be split as 10 sections as audio-video document, can also be split as other hop counts that are greater than or less than 10 sections as required in practice each track.
Embodiment two:
The foregoing description is a pair of, and segmentation is playing audio-video document successively by splitting audio-video document, realizes that a plurality of window playing audio-videos introduce, and present embodiment will further be introduced the method for a plurality of window playing audio-videos as preferred embodiment.
With reference to Fig. 3, show the method flow diagram of a kind of a plurality of window playing audio-videos of the present invention.
S301 is split as a plurality of audio-video documents the audio-video document of respective rail number;
The audio-video document of needs broadcast is split as simultaneously the audio-video document of respective rail number;
S302 is split as the multistage audio-video document with the audio-video document of each track;
The audio-video document of each track is split as the multistage audio-video document simultaneously.
S303, separating audio and vision signal;
Every section audio-video document after splitting is carried out audio-video signal to be separated.
S304 transmits the Voice ﹠ Video signal;
Audio-video signal after separating is sent to corresponding broadcast window respectively.
Preferably, when transmitting the audio-video signal after separating, sound signal and vision signal adopt the frequency of fixed proportion to transmit respectively.
S305, the record delivery time is poor;
Recorde audio signal and vision signal are sent to Δ T of used mistiming of broadcast window.
S306, the synchronized audio/video signal;
According to the delivery time difference Δ T of Voice ﹠ Video signal, the Voice ﹠ Video signal to every section audio-video document carries out synchronous processing successively, and so-called synchronous processing just is meant: the audio or video signal that is sent to is earlier waited for the process that corresponding video or audio frequency arrive.Because sound signal after separating and vision signal adopt the frequency of fixed proportion to transmit respectively, so the mistiming Δ T that the Voice ﹠ Video signal transmits also fixes, generally need only the mistiming Δ T that the audio or video signal delay that is sent to is earlier write down synchronous processing the time like this and just can realize synchronously.
S307 plays each track audio frequency and video;
Each track audio-video document is play in a window, plays in respective window successively after the Voice ﹠ Video signal Synchronization of the multistage audio-video document of each track.
Play by splitting the back segmentation in the present embodiment, reduced quantity of information greatly, solved in the practical application because of the limited problem that can not a plurality of window playing audio-videos of process information amount, and before broadcast, every section audio-video signal after splitting is separated, transmit respectively after the separation, poor by the delivery time of record, the Voice ﹠ Video signal of every section audio-video document is carried out synchronously, realized audio-video signal in each broadcast window synchronously, further promoted people's pleasure of the senses.
Embodiment three:
At said method embodiment, the present invention also provides a kind of device embodiment of a plurality of window playing audio-videos.
With reference to Fig. 4, be the structure drawing of device of the described a kind of a plurality of window playing audio-videos of present embodiment, described device comprises:
First split cells 401 is used for a plurality of audio-video documents that needs are play are split as a plurality of track audio-video documents simultaneously;
Broadcast unit 403 is used for each track audio-video document is play at a window, and the multistage audio-video document is play successively.
The device of the described a plurality of window playing audio-video documents of present embodiment, by first split cells 401, a plurality of audio-video documents that needs are play are split as a plurality of track audio-video documents simultaneously; By second split cells 402, each track audio-video document in a plurality of track audio-video documents is split into the multistage audio-video document simultaneously; By broadcast unit 403, each track audio-video document to be play in a window, the multistage audio-video document is play successively.Significantly reduce the quantity of information that needs processing by deconsolidation process, realized a plurality of windows playing audio-videos simultaneously.
Preferably, described broadcast unit 403 also comprises:
Segregant unit 4031: be used for that every section audio-video document after splitting is carried out audio-video signal and separate;
Transmit subelement 4032: be used for the Voice ﹠ Video signal after separating is transmitted respectively;
Synchronous playing subelement 4033: be used for the audio or video signal that is sent to is earlier waited for that corresponding video or audio frequency arrive the back synchronous playing.
In the present embodiment,, every section audio-video document after 402 fractionations of second split cells is carried out audio-video signal separate by segregant unit 4031; By transmitting subelement 4032, the Voice ﹠ Video signal after separating is transmitted respectively; By synchronous playing subelement 4033: be used for the audio or video signal that is sent to is earlier waited for that corresponding video or audio frequency arrive the back synchronous playing, have realized the synchronous playing of each broadcast window sound intermediate frequency signal and vision signal.
The method and apparatus of a plurality of window playing audio-videos of the present invention uses extremely extensive, comprises as many scenes of high definition playing platform and video editing etc.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For device embodiment, because it is similar substantially to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
More than to the method and apparatus of a kind of a plurality of window playing audio-videos provided by the present invention, be described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. the method for a plurality of window playing audio-videos is characterized in that, described method comprises:
A plurality of audio-video documents of needs broadcast are split as simultaneously the audio-video document of respective rail number;
The audio-video document of each track is split into the multistage audio-video document simultaneously;
Each track audio-video document is play in a window, and the multistage audio-video document of each track is play in respective window successively.
2. method according to claim 1 is characterized in that:
The described fractionation simultaneously adopts the mode of multithreading to finish.
3. method according to claim 1 is characterized in that, described method also comprises:
Every section audio-video document after splitting is carried out audio-video signal to be separated;
Send the Voice ﹠ Video signal after separating to corresponding broadcast window respectively;
Delivery time according to the Voice ﹠ Video signal is poor, carries out synchronous playing again after the Voice ﹠ Video signal of waiting until every section audio-video document all arrives broadcast window.
4. method according to claim 3 is characterized in that:
Voice ﹠ Video signal after the described separation adopts the frequency of fixed proportion to transmit respectively.
5. the device of a plurality of window playing audio-videos is characterized in that, described device comprises:
First split cells is used for a plurality of audio-video documents that needs are play are split as a plurality of track audio-video documents simultaneously;
Second split cells is used for each track audio-video document of a plurality of track audio-video documents is split into the multistage audio-video document simultaneously;
Broadcast unit is used for each track audio-video document is play at a window, and the multistage audio-video document is play successively.
6. device according to claim 5 is characterized in that:
Described first split cells and second split cells all adopt the mode of multithreading to work.
7. device according to claim 5 is characterized in that, described broadcast unit also comprises:
Segregant unit: be used for that every section audio-video document after splitting is carried out audio-video signal and separate;
Transmit subelement: be used for the Voice ﹠ Video signal after separating is transmitted respectively;
Synchronous playing subelement: be used for the audio or video signal that is sent to is earlier waited for that corresponding video or audio frequency arrive the back synchronous playing.
8. device according to claim 7 is characterized in that:
Described transmission subelement adopts the frequency of fixed proportion to transmit respectively to the Voice ﹠ Video signal after separating.
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| CN201010163883A CN101859582A (en) | 2010-04-29 | 2010-04-29 | Method and device for playing audio and video in multi-window |
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| CN105898528A (en) * | 2015-12-02 | 2016-08-24 | 乐视网信息技术（北京）股份有限公司 | Multimedia processing method based on Android platform, device and mobile terminal device |
| CN106060610A (en) * | 2016-06-07 | 2016-10-26 | 微鲸科技有限公司 | Player synchronization system and method |
| CN107566877A (en) * | 2017-09-28 | 2018-01-09 | 惠州Tcl移动通信有限公司 | A kind of more video clip player method, storage medium and intelligent terminals |
| CN109936762A (en) * | 2019-01-12 | 2019-06-25 | 河南图灵实验室信息技术有限公司 | The method and electronic equipment that similar audio or video file are played simultaneously |
| CN114095668A (en) * | 2021-10-08 | 2022-02-25 | 深圳市景阳科技股份有限公司 | Video playing method, device, equipment and computer storage medium |
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| CN107566877A (en) * | 2017-09-28 | 2018-01-09 | 惠州Tcl移动通信有限公司 | A kind of more video clip player method, storage medium and intelligent terminals |
| CN109936762A (en) * | 2019-01-12 | 2019-06-25 | 河南图灵实验室信息技术有限公司 | The method and electronic equipment that similar audio or video file are played simultaneously |
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