CN103686334A - Video transmission method - Google Patents
Video transmission method Download PDFInfo
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- CN103686334A CN103686334A CN201310680889.8A CN201310680889A CN103686334A CN 103686334 A CN103686334 A CN 103686334A CN 201310680889 A CN201310680889 A CN 201310680889A CN 103686334 A CN103686334 A CN 103686334A
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Abstract
The invention relates to a video transmission method. The method comprises the following steps: 1, a user side divides an acquired video image into n frames, the n frames are sequentially numbered to form at least two subsequences, wherein the ath subsequence is formed by selecting one frame every m frames from ath frame, wherein n>=1, a>=1 and m>=1; 2, the user side extracts the next subsequence every other sequence, transmits the next subsequence to a local area network terminal, meanwhile compresses the subsequences at intervals, and transmits the subsequences to could; 3, the local area network terminal receives and compresses the subsequences transmitted by the user side and transmits the subsequences to the cloud, the subsequences are decoded in the cloud, lossy compression is conducted on the subsequences, and a user conveniently has fast access. The video transmission method reduces compression processing capacity of the user side and shortens the time for compression processing. In addition, the cloud only receives the subsequences transmitted by any of the user side or the local area network terminal, video play can be achieved, and data loss caused by a poor network signal or sudden interruption is avoided.
Description
Technical field
The present invention relates to a kind of video transmission method.
Background technology
Along with the diversification of multimedia service, each terminal is different to the requirement of service quality at different networks, and its terminal processing capacity is also different, and the terminal equipment lower for some disposal abilities carrying out there has been certain difficulty aspect video compression.Release along with some social networks, Video chat instrument, need to different types of audio frequency and video, image, figure etc. be generated, write, process, be searched for, to the disposal ability of user side and storage capacity, require more and more higher, user side compressed capability is limited, relatively power consumption, transmitting procedure also can directly be subject to the impact of network signal, and the compressed capability of local area network terminal is stronger, but need user side by data upload to local area network terminal, can produce certain time delay.
Summary of the invention
For above-mentioned technical problem, the present invention has designed a kind of video transmission method, when user side is uploaded to high in the clouds by video image, utilize two kinds of modes of user side and local area network terminal to upload simultaneously, the powerful computing capability in recycling high in the clouds, decode, then carry out lossy compression method storage, facilitate user fast to access.
Technical scheme provided by the invention is:
A video transmission method, comprises the following steps:
Step 1, user side are divided into n frame by the video image collecting, and number consecutively, form at least two subsequences, wherein, and the forming of a subsequence: since a frame, at interval of m frame, choose a frame, n >=1, a >=1, m >=1;
Step 2, user side, at interval of a subsequence, extract next subsequence and transmit to local area network terminal, simultaneously by the subsequence compression at interval, and transfer to high in the clouds;
Step 3, local area network terminal receive the subsequence of user side transmission, and compression, and transfer to high in the clouds.
Preferably, in described video transmission method, according to the promptness of real-time video transmission, when user side or local area network terminal transmit the subsequence after compression to high in the clouds, set a transmission time, high in the clouds receives the subsequence after compression within the described transmission time limit, has a two field picture to surpass the described transmission time in subsequence, just loses whole subsequence.
Preferably, in described video transmission method, also comprise:
Each two field picture in the subsequence after the compression receiving is decoded in step 4, described high in the clouds, and decoded all images are carried out to lossy compression method.
Preferably, in described video transmission method, when described local area network terminal compresses described a part of subsequence, described a part of subsequence is assigned to the idle load end of local area terminal, and carry out Lossless Compression at described idle load end, the compressed package after Lossless Compression is uploaded to local area network terminal.
Preferably, in described video transmission method, the maximum in described transmission time is the time that user side gathers m frame real time video image.
Preferably, in described video transmission method, described LAN terminal is the P2P network terminal.
The present invention is when user side is uploaded high in the clouds by video image, at user side, by video image, divide frame, at interval of several frames, choose a frame, form at least two subsequences, user side is at interval of a subsequence, extracting next subsequence is uploaded to local area network terminal and carries out Lossless Compression, be uploaded to high in the clouds, user side carries out Lossless Compression by the subsequence at interval, be uploaded to high in the clouds, reduced the compression disposal ability of user side, and, utilize local area network terminal, accelerated the time that compression is processed, the subsequence comprising in user side and local area network terminal is interval, the image comprising in subsequence is also interval, high in the clouds is as long as receive the subsequence of arbitrary end transmission in user side or local area network terminal, can realize video playback, avoid the data degradation that network signal is bad or unexpected interruption causes.In addition, utilize the powerful computing capability in high in the clouds, decode, then carry out lossy compression method storage, facilitate user fast to access.
Accompanying drawing explanation
Fig. 1 is the flow chart of video transmission method of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, to make those skilled in the art can implement according to this with reference to specification word.
Embodiment 1, and as shown in Figure 1, when user side is uploaded local video, user side divides frame by video image, and number consecutively, form at least two subsequences, wherein, the forming of a subsequence: since a frame, at interval of m frame, choose a frame, n >=1, a >=1, m >=1.
When user side is uploaded to high in the clouds by the subsequence of formation, be divided into two kinds of modes uploads simultaneously, the shortening time, avoid packet loss, a kind of is that user side is at interval of a subsequence, extract next subsequence and transmit to local area network terminal, local area network terminal compresses the subsequence of the user side transmission receiving, and transfers to high in the clouds; Another kind of mode is that user side compresses the subsequence at interval, directly uploads to high in the clouds.
The subsequence receiving is decoded in high in the clouds, and whole decoded subsequences are carried out to lossy compression method, neither affects video quality, can accelerate transmission speed.
Embodiment 2, and as shown in Figure 1, when user side is uploaded real-time video, user side divides frame by the image of collection, and number consecutively, since the first frame, at interval of m frame, choose a frame, put into first subsequence, successively since the second frame, at interval of m frame, choose a frame, put into second subsequence, circulation, until choose m+1 frame, puts into m+1 subsequence successively, form m+1 subsequence, wherein, m is more than or equal to 1.
When user side is uploaded to high in the clouds by subsequence, be divided into two kinds of modes uploads simultaneously, the shortening time, avoid packet loss, a kind of is that user side is at interval of a subsequence, extract next subsequence and transmit to local area network terminal, local area network terminal will receive the subsequence compression of user side transmission, and transfers to high in the clouds; Another kind of mode is that user side compresses the subsequence at interval, then uploads to high in the clouds.
When real-time video transmission, per minute frame piece image, just puts into this width image that corresponding subsequence is uploaded to that local area network terminal compresses or in user side compression, then each two field picture after compression is uploaded to high in the clouds in time.
According to the promptness of real-time video transmission, when user side or local area network terminal transmit the subsequence after compression to high in the clouds, set a transmission time, the maximum in transmission time is the time that user side gathers m frame real time video image, high in the clouds receives the subsequence after compression within the transmission time limit, in subsequence, there is a two field picture to surpass the described transmission time, just lose whole subsequence, guaranteed the promptness of real-time video transmission, and user side or the transmission of local area network (LAN) end is the subsequence of space, every two field picture in subsequence is also interval, if user side or local area network (LAN) end are when transmission, the situation that occurs packet loss, can not affect the whole structure of video.
Each two field picture in the subsequence after the compression receiving is decoded in high in the clouds, and carries out lossy compression method after all images are all decoded again, and neither affects video quality, can accelerate transmission speed.
In embodiment 1 or embodiment 2, when local area network terminal compresses the subsequence receiving from user side, these subsequences are assigned to the idle load end of local area terminal, and carry out Lossless Compression at idle load end, then the subsequence after Lossless Compression is uploaded to local area network terminal, LAN terminal is the P2P network terminal.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in specification and execution mode, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other modification, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend of describing.
Claims (6)
1. a video transmission method, is characterized in that, comprises the following steps:
Step 1, user side are divided into n frame by the video image collecting, and number consecutively, form at least two subsequences, wherein, and the forming of a subsequence: since a frame, at interval of m frame, choose a frame, n >=1, a >=1, m >=1;
Step 2, user side, at interval of a subsequence, extract next subsequence and transmit to local area network terminal, simultaneously by the subsequence compression at interval, and transfer to high in the clouds;
Step 3, local area network terminal receive the subsequence of user side transmission, and compression, and transfer to high in the clouds.
2. video transmission method as claimed in claim 1, it is characterized in that, according to the promptness of real-time video transmission, when user side or local area network terminal transmit the subsequence after compression to high in the clouds, set a transmission time, high in the clouds receives the subsequence after compression within the described transmission time limit, has a two field picture to surpass the described transmission time in subsequence, just loses whole subsequence.
3. video transmission method as claimed in claim 1, is characterized in that, also comprises:
Each two field picture in the subsequence after the compression receiving is decoded in step 4, described high in the clouds, and decoded all images are carried out to lossy compression method.
4. video transmission method as claimed in claim 1, it is characterized in that, when described local area network terminal compresses described a part of subsequence, described a part of subsequence is assigned to the idle load end of local area terminal, and carry out Lossless Compression at described idle load end, the compressed package after Lossless Compression is uploaded to local area network terminal.
5. video transmission method as claimed in claim 2, is characterized in that, the maximum in described transmission time is the time that user side gathers m frame real time video image.
6. video transmission method as claimed in claim 1, is characterized in that, described LAN terminal is the P2P network terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310680889.8A CN103686334A (en) | 2013-12-13 | 2013-12-13 | Video transmission method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310680889.8A CN103686334A (en) | 2013-12-13 | 2013-12-13 | Video transmission method |
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| CN103686334A true CN103686334A (en) | 2014-03-26 |
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Citations (5)
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| CN101106722A (en) * | 2007-06-18 | 2008-01-16 | 北京交通大学 | A multi-description video encoding and decoding method based on self-adapted time domain sub-sampling |
| CN101656751A (en) * | 2008-08-18 | 2010-02-24 | 北京数码大方科技有限公司 | Method and system for accelerating file uploading and downloading |
| CN101699822A (en) * | 2009-08-06 | 2010-04-28 | 腾讯科技（深圳）有限公司 | File uploading method and device, and mass storage system |
| JP2013145954A (en) * | 2012-01-13 | 2013-07-25 | Toyota Central R&D Labs Inc | Distributed information processing apparatus |
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- 2013-12-13 CN CN201310680889.8A patent/CN103686334A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7257716B2 (en) * | 2002-08-27 | 2007-08-14 | Apple Inc. | Method and apparatus for uploading mass-distributed content to a server |
| CN101106722A (en) * | 2007-06-18 | 2008-01-16 | 北京交通大学 | A multi-description video encoding and decoding method based on self-adapted time domain sub-sampling |
| CN101656751A (en) * | 2008-08-18 | 2010-02-24 | 北京数码大方科技有限公司 | Method and system for accelerating file uploading and downloading |
| CN101699822A (en) * | 2009-08-06 | 2010-04-28 | 腾讯科技（深圳）有限公司 | File uploading method and device, and mass storage system |
| JP2013145954A (en) * | 2012-01-13 | 2013-07-25 | Toyota Central R&D Labs Inc | Distributed information processing apparatus |
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Application publication date: 20140326 |