CN101795403A - Video transmission method and system - Google Patents
Video transmission method and system Download PDFInfo
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- CN101795403A CN101795403A CN 200910045767 CN200910045767A CN101795403A CN 101795403 A CN101795403 A CN 101795403A CN 200910045767 CN200910045767 CN 200910045767 CN 200910045767 A CN200910045767 A CN 200910045767A CN 101795403 A CN101795403 A CN 101795403A
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Abstract
The invention discloses a video transmission method which comprises the following steps: a cellphone camera positioned on a transmitting end encodes the acquired video signal and transmits the coded video data to a retransmitting device at a transmitting end through a previously established wireless connection; the retransmitting device at the transmitting end retransmits the video data to a retransmitting device at the receiving end through the internet; and the retransmitting device at the receiving end retransmits the video data to at least one cellphone at the receiving end through the previously established wireless connection, and the cellphone at the receiving end decodes and displays the video data. The invention also discloses a video transmission system. In the invention, the cellphone at the transmitting end acquires the video signal, the video signal is coded to obtain video data, and the video data is transmitted in real time through the internet, so that the video data does not need to occupy the communication network resources of an operator in the process of transmitting from the transmitting end to the receiving end; and thus, the invention can transmit the video data in real time at lower cost.
Description
Technical field
The present invention relates to wireless communication technology, be specifically related to a kind of method and system of video transmission.
Background technology
Ripe commercial along with the 3G (Third Generation) Moblie technology utilizes technology that the hand-held mobile terminal that is integrated with camera carries out video Data Transmission comparative maturity.Utilize the video calling between the cellphone subscriber to connect, can realize the transmission of video data very easily; And, preserve the video data that uses in order to later on for needs, can also be when carrying out the video data real-time Transmission, the storage medium that video content is saved in mobile phone (comprises the memory that mobile phone carries, or various storage card such as the SD cards that are connected on the mobile phone, CF card etc.) in the middle of.
But there are many defectives in the method for the video transmission that this communication network that provides based on operator is realized.At first, mobile phone memory capacity is relatively limited, and video content can take more memory space usually, therefore the situation (for utilizing video to connect to carry out the video transmission of long-term activities such as meeting or teaching and especially true when recording) of memory space inadequate can often occur, thereby cause video record can't continue to carry out; Though the memory card capacity of mobile phone can reach 2G, 4G even more at present, but it is not still very well-to-do for preserving video content, enough in order to guarantee memory space, need often existing video content to be shifted to deposit complex operation and use inconvenience; And more the storage card of large storage capacity is higher owing to its price, the increase that can bring application cost again.
Secondly, thisly carrying out the method for video Data Transmission based on mobile communication technology, need take the communication network resource of mobile operator, is the strategy that charges according to flow and operator takes, and this can further improve the cost of this application mode undoubtedly.
As seen, prior art can't realize the real-time Transmission of video data with lower cost.
Summary of the invention
The embodiment of the invention provides a kind of method and system of video transmission, can realize the real-time Transmission of video data with lower cost.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of method of video transmission, this method comprises:
The encoding video signal of the mobile phone cam that is positioned at transmitting terminal to gathering, the video data that coding is obtained is transferred to the retransmission unit of transmitting terminal by the wireless connections of setting up in advance;
The retransmission unit of transmitting terminal is transmitted to described video data the retransmission unit of receiving terminal by the Internet;
The retransmission unit of receiving terminal is transmitted at least one receiving terminal mobile phone by the wireless connections of setting up in advance with described video data and carries out decoding and displaying.
Described mobile phone cam comprises the method for the encoding video signal of collection:
Default coded system is set, and acquiescence uses this coded system to carry out the encoding compression of vision signal; Or independently set needed coded system, before changing next time, keep using this coded system; Or before coding, detect the available actual bandwidth of current wireless connection in advance, select only coded system to carry out the encoding compression of vision signal by handset program according to this actual bandwidth.
Described wireless connections of setting up in advance comprise: bluetooth connects or the WiFi WLAN (wireless local area network) connects.
The retransmission unit of transmitting terminal is transmitted to described video data in the method for retransmission unit of receiving terminal and further comprises by the Internet: the retransmission unit of transmitting terminal is saved in described video data in the memory module of self, and described memory module is non-outage volatile storage devices.
The retransmission unit of receiving terminal is transmitted to described video data by the wireless connections of setting up in advance in the method for at least one receiving terminal mobile phone and further comprises: the retransmission unit of receiving terminal is saved in described video data in the memory module of self, and described memory module is non-outage volatile storage devices.
A kind of system of video transmission, this system comprises: be positioned at the mobile phone and the retransmission unit of video transmission transmitting terminal, be positioned at retransmission unit and at least one receiving terminal mobile phone of video transmission receiving terminal;
The described mobile phone that is positioned at transmitting terminal is used to utilize built-in camera collection vision signal, after coding obtains video data, by the wireless connections of setting up in advance described video data is sent to retransmission unit;
The described retransmission unit that is positioned at transmitting terminal is used to receive described video data, described video data is transmitted to the retransmission unit that is positioned at receiving terminal by the Internet;
The described retransmission unit that is positioned at receiving terminal is used for the video data of receiving end/sending end transmission from the Internet, utilizes the wireless connections of setting up in advance that described video data is transmitted at least one receiving terminal mobile phone;
Described at least one receiving terminal mobile phone is used for the video data that receiving and retransmitting device is transmitted, and shows after the decoding.
The described mobile phone that is positioned at transmitting terminal comprises:
Video acquisition module is used to gather vision signal, sends it to the encoding compression module;
The encoding compression module is used for the vision signal that the receiver, video acquisition module sends, and uses selected coded system to described encoding video signal, and the video data that obtains behind the coding is sent to wireless module;
Wireless module is used for the video data that the received code compression module sends, and sends it to retransmission unit by selected wireless connections.
The described retransmission unit that is positioned at transmitting terminal comprises:
Wireless module is used for receiving the encoded video data that mobile phone sends by wireless connections, and it is transmitted to the Internet access module;
Described the Internet access module is used to receive the encoded video data that wireless module is transmitted, and by the Internet described video data is transmitted to receiving terminal.
The described retransmission unit that is positioned at receiving terminal comprises:
Described the Internet access module is used for the encoded video data that receiving end/sending end is sent from the Internet, and it is transmitted to wireless module;
Wireless module is used to receive the encoded video data that the Internet access module is transmitted, and is transmitted to described at least one receiving terminal mobile phone by wireless connections.
The described retransmission unit that is arranged in transmitting terminal further comprises memory module;
The described wireless module that is arranged in the retransmission unit of transmitting terminal is further used for receiving the encoded video data that mobile phone sends by wireless connections, and it is transmitted to described memory module;
Memory module is used to receive and preserve the encoded video data that wireless module is sent.
The described retransmission unit that is arranged in receiving terminal further comprises memory module;
The described wireless module that is arranged in the retransmission unit of receiving terminal is further used for receiving the encoded video data that the Internet access module is transmitted, and it is transmitted to described memory module;
Memory module is used to receive and preserve the encoded video data that wireless module is sent.
Described wireless module is the bluetooth module of built-in bluetooth access function, or the wireless network card of built-in WiFi wireless access function.
Described the Internet access module is the network router that is used to insert the Internet.
As seen from the above technical solutions, the method and system of this video transmission of the embodiment of the invention, gather vision signal by the transmitting terminal mobile phone, obtain video data after encoded and carry out real-time Transmission by the Internet, make video data needn't take the communication network resource of operator to the transmission course of receiving terminal, thereby can realize the real-time Transmission of video data with lower cost by transmitting terminal.
Description of drawings
Fig. 1 is the schematic flow sheet of the method for video transmission in the embodiment of the invention.
Fig. 2 is the composition structural representation of the system of video transmission in the embodiment of the invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
The embodiment of the invention provides a kind of method of video transmission, flow process as shown in Figure 1, comprising:
Step 101: the mobile phone cam that is positioned at transmitting terminal is gathered vision signal and is encoded, and the video data that obtains is transferred to the retransmission unit of transmitting terminal by the wireless connections of setting up in advance;
Wherein, during to described encoding video signal, can adopt various existing video code models to compress processing, for example MPEG-4, H.263, H.263+ or H.264 wait, simultaneously, described wireless connections can comprise various wireless connections mode of the prior art, and such as the WiFi connection (comprising 802.11a/b/g/n etc.) of bluetooth connection, variety of protocol standard, can therefrom choose any one kind of them according to the actual wireless connections mode that can support of transmitting terminal mobile phone during practical application connects.Simultaneously, all same as the prior art for cataloged procedure concrete in the step 101 and the process of setting up wireless connections, will not give unnecessary details herein.
In addition, when selecting the coded system of using, can adopt different ways.The bandwidth that connects owing to wireless network between transmitting terminal mobile phone and the transmitting terminal retransmission unit can change along with the different of wireless connections mode, bandwidth when adopting bluetooth to connect is different with the bandwidth that adopts WiFi to connect, in the WiFi connection under the different protocol standards bandwidth of (802.11a/b/g/n etc.) have nothing in common with each other again.
Therefore, preferably, can comprise the method for described encoding video signal: default coded system is set, and acquiescence uses this coded system to carry out the encoding compression of vision signal; Or independently set needed coded system, before changing next time, keep using this coded system; Or before coding, detect the available actual bandwidth of current wireless connection in advance, select only coded system to carry out the encoding compression of vision signal by handset program according to this actual bandwidth.
Step 102: the retransmission unit of transmitting terminal receives described video data, described video data is transmitted to the retransmission unit of receiving terminal by the Internet;
Preferably, in the step 102, the retransmission unit of transmitting terminal is transmitted to described video data in the method for receiving terminal retransmission unit and can further include: the retransmission unit of transmitting terminal is preserved the described video data that receives.
Step 103: the receiving terminal retransmission unit receives described video data, utilizes the wireless connections of setting up in advance that described video data is transmitted at least one receiving terminal mobile phone;
Preferably, in the step 103, the receiving terminal retransmission unit is transmitted to described video data in the method for at least one receiving terminal mobile phone and can further include: the retransmission unit of receiving terminal is preserved the described video data that receives.
Transmitting terminal retransmission unit described in the embodiment of the invention and receiving terminal retransmission unit are to be in the statement that carry out the position that sends and receive separately according to them in this flow process.Described transmitting terminal retransmission unit and receiving terminal retransmission unit according to the difference of networking mode, can have multiple implementation in actual applications, specifically will be described in further detail below.
Simultaneously, similar in wireless connections and the step 101 described in the step 103, can be in the wireless connections mode of various maturations, selection is a kind of arbitrarily according to the actual wireless connections mode that can support of receiving terminal mobile phone, repeats no more herein.
Step 104: described at least one receiving terminal mobile phone receiving video data, and carry out decoding and displaying.
As seen, the method of the video transmission that the embodiment of the invention provides, gather vision signal by the transmitting terminal mobile phone, obtain video data after encoded and carry out real-time Transmission by the Internet, make video data needn't take the communication network resource of operator to the transmission course of receiving terminal, thereby can realize the real-time Transmission of video data with lower cost by transmitting terminal.Simultaneously, preferred embodiment of the present invention is also further by utilizing transmitting terminal retransmission unit and/or receiving terminal retransmission unit that video data is preserved, overcome the limitation that when preserving video data, is merely able to be kept in the prior art in the limited mobile phone memory card in space, thereby can when realizing, carry out the preservation of video data at lower cost the video data real-time Transmission.
The embodiment of the invention also provides a kind of system of video transmission simultaneously, it forms structure as shown in Figure 2, comprising: be positioned at the mobile phone 210 and the retransmission unit 220 of video transmission transmitting terminal, be positioned at retransmission unit 230 and at least one receiving terminal mobile phone 240 of video transmission receiving terminal;
The described mobile phone 210 that is positioned at transmitting terminal is used to utilize built-in camera collection vision signal, after coding obtains video data, by the wireless connections of setting up in advance described video data is sent to retransmission unit 220;
The described retransmission unit 220 that is positioned at transmitting terminal is used to receive described video data, described video data is transmitted to the retransmission unit 230 that is positioned at receiving terminal by the Internet;
The described retransmission unit 230 that is positioned at receiving terminal is used for the video data of receiving end/sending end transmission from the Internet, utilizes the wireless connections of setting up in advance that described video data is transmitted at least one receiving terminal mobile phone 240;
Described at least one receiving terminal mobile phone 240 is used for the video data that receiving and retransmitting device 230 is transmitted, and shows after the decoding.
Wherein, the described mobile phone 210 that is positioned at transmitting terminal further comprises: video acquisition module 211, encoding compression module 212 and wireless module 213;
Described video acquisition module 211 is used to gather vision signal, sends it to encoding compression module 212;
Described encoding compression module 212 is used for the vision signal that receiver, video acquisition module 211 sends, and uses selected coded system to described encoding video signal, and the video data that obtains behind the coding is sent to wireless module 213;
Described wireless module 213 is used for the video data that received code compression module 212 sends, and sends it to retransmission unit 220 by selected wireless connections.
The described retransmission unit 220 that is positioned at transmitting terminal further comprises: wireless module 221 and the Internet access module 222;
Described wireless module 221 is used for receiving the encoded video data that mobile phone 210 sends by wireless connections, and it is transmitted to the Internet access module 222;
Described the Internet access module 222 is used to receive the encoded video data that wireless module 221 is transmitted, and by the Internet described video data is transmitted to receiving terminal.
The described retransmission unit 230 that is positioned at receiving terminal further comprises: the Internet access module 231 and wireless module 232;
Described the Internet access module 231 is used for the encoded video data that receiving end/sending end is sent from the Internet, and it is transmitted to wireless module 232;
Described wireless module 232 is used to receive the encoded video data that the Internet access module 231 is transmitted, and is transmitted to described at least one receiving terminal mobile phone 240 by wireless connections.
For the video data behind the described coding is preserved, both can preserve in the embodiment of the invention at transmitting terminal, also can preserve at receiving terminal.
Preferably, the described retransmission unit 220 that is arranged in transmitting terminal can further include memory module 223;
At this moment, described wireless module 221 is further used for receiving the encoded video data that mobile phone 210 sends by wireless connections, and it is transmitted to described memory module 223;
Memory module 223 is used to receive and preserve the encoded video data that wireless module 221 is sent.
Preferably, the described retransmission unit 230 that is arranged in receiving terminal can further include memory module 233;
At this moment, described wireless module 232 is further used for receiving the encoded video data that the Internet access module 231 is transmitted, and it is transmitted to described memory module 233;
Memory module 233 is used to receive and preserve the encoded video data that wireless module 221 is sent.
Need to prove the described retransmission unit that is arranged in transmitting terminal:
Wireless module can be the wireless module of various wireless access functions such as built-in bluetooth or WiFi, and the Internet access module can be selected according to practical application, and the present invention does not all do concrete qualification.
As in actual applications, in the retransmission unit of described transmitting terminal, memory module and wireless module are arranged in the middle of same the computer usually, memory module is corresponding to hard disk in the computer or various non-outage volatile memory, wireless module is corresponding to mixed-media network modules mixed-medias such as wireless network card, bluetooth modules, and the Internet access module is then usually corresponding to linking to each other with described computer and with the diverse network router of this computer access the Internet.Understand easily, concrete, the next the giving an example based on the practical application scene that this correspondence is just done in order to show the present invention's spirit should not be construed as the qualification to protection range of the present invention.
As seen, the system of the video transmission that the embodiment of the invention provides, gather vision signal by the transmitting terminal mobile phone, obtain video data after encoded and carry out real-time Transmission by the Internet, make video data needn't take the communication network resource of operator to the transmission course of receiving terminal, thereby can realize the real-time Transmission of video data with lower cost by transmitting terminal.Simultaneously, preferred embodiment of the present invention is also further by utilizing transmitting terminal retransmission unit and/or receiving terminal retransmission unit that video data is preserved, overcome the limitation that when preserving video data, is merely able to be kept in the prior art in the limited mobile phone memory card in space, thereby can when realizing, carry out the preservation of video data at lower cost the video data real-time Transmission.
Understand easily simultaneously; the above only is preferred embodiment of the present invention; be not to be used to limit spirit of the present invention and protection range, equivalent variations that any those of ordinary skill in the art made or replacement all should be considered as being encompassed within protection scope of the present invention.
Claims (13)
1. the method for a video transmission is characterized in that, this method comprises:
The encoding video signal of the mobile phone cam that is positioned at transmitting terminal to gathering, the video data that coding is obtained is transferred to the retransmission unit of transmitting terminal by the wireless connections of setting up in advance;
The retransmission unit of transmitting terminal is transmitted to described video data the retransmission unit of receiving terminal by the Internet;
The retransmission unit of receiving terminal is transmitted at least one receiving terminal mobile phone by the wireless connections of setting up in advance with described video data and carries out decoding and displaying.
2. method according to claim 1 is characterized in that, described mobile phone cam comprises the method for the encoding video signal of collection:
Default coded system is set, and acquiescence uses this coded system to carry out the encoding compression of vision signal; Or independently set needed coded system, before changing next time, keep using this coded system; Or before coding, detect the available actual bandwidth of current wireless connection in advance, select only coded system to carry out the encoding compression of vision signal by handset program according to this actual bandwidth.
3. method according to claim 1 is characterized in that, described wireless connections of setting up in advance comprise: bluetooth connects or the WiFi WLAN (wireless local area network) connects.
4. method according to claim 1, it is characterized in that, the retransmission unit of transmitting terminal is transmitted to described video data in the method for retransmission unit of receiving terminal and further comprises by the Internet: the retransmission unit of transmitting terminal is saved in described video data in the memory module of self, and described memory module is non-outage volatile storage devices.
5. according to each described method in the claim 1 to 4, it is characterized in that, the retransmission unit of receiving terminal is transmitted to described video data by the wireless connections of setting up in advance in the method for at least one receiving terminal mobile phone and further comprises: the retransmission unit of receiving terminal is saved in described video data in the memory module of self, and described memory module is non-outage volatile storage devices.
6. the system of a video transmission is characterized in that, this system comprises: be positioned at the mobile phone and the retransmission unit of video transmission transmitting terminal, be positioned at retransmission unit and at least one receiving terminal mobile phone of video transmission receiving terminal;
The described mobile phone that is positioned at transmitting terminal is used to utilize built-in camera collection vision signal, after coding obtains video data, by the wireless connections of setting up in advance described video data is sent to retransmission unit;
The described retransmission unit that is positioned at transmitting terminal is used to receive described video data, described video data is transmitted to the retransmission unit that is positioned at receiving terminal by the Internet;
The described retransmission unit that is positioned at receiving terminal is used for the video data of receiving end/sending end transmission from the Internet, utilizes the wireless connections of setting up in advance that described video data is transmitted at least one receiving terminal mobile phone;
Described at least one receiving terminal mobile phone is used for the video data that receiving and retransmitting device is transmitted, and shows after the decoding.
7. system according to claim 6 is characterized in that, the described mobile phone that is positioned at transmitting terminal comprises:
Video acquisition module is used to gather vision signal, sends it to the encoding compression module;
The encoding compression module is used for the vision signal that the receiver, video acquisition module sends, and uses selected coded system to described encoding video signal, and the video data that obtains behind the coding is sent to wireless module;
Wireless module is used for the video data that the received code compression module sends, and sends it to retransmission unit by selected wireless connections.
8. system according to claim 6 is characterized in that, the described retransmission unit that is positioned at transmitting terminal comprises:
Wireless module is used for receiving the encoded video data that mobile phone sends by wireless connections, and it is transmitted to the Internet access module;
Described the Internet access module is used to receive the encoded video data that wireless module is transmitted, and by the Internet described video data is transmitted to receiving terminal.
9. system according to claim 6 is characterized in that, the described retransmission unit that is positioned at receiving terminal comprises:
Described the Internet access module is used for the encoded video data that receiving end/sending end is sent from the Internet, and it is transmitted to wireless module;
Wireless module is used to receive the encoded video data that the Internet access module is transmitted, and is transmitted to described at least one receiving terminal mobile phone by wireless connections.
10. system according to claim 6 is characterized in that, the described retransmission unit that is arranged in transmitting terminal further comprises memory module;
The described wireless module that is arranged in the retransmission unit of transmitting terminal is further used for receiving the encoded video data that mobile phone sends by wireless connections, and it is transmitted to described memory module;
Memory module is used to receive and preserve the encoded video data that wireless module is sent.
11. system according to claim 6 is characterized in that, the described retransmission unit that is arranged in receiving terminal further comprises memory module;
The described wireless module that is arranged in the retransmission unit of receiving terminal is further used for receiving the encoded video data that the Internet access module is transmitted, and it is transmitted to described memory module;
Memory module is used to receive and preserve the encoded video data that wireless module is sent.
12., it is characterized in that described wireless module is the bluetooth module of built-in bluetooth access function, or the wireless network card of built-in WiFi wireless access function according to each described system in the claim 6 to 11.
13., it is characterized in that described the Internet access module is the network router that is used to insert the Internet according to each described system in the claim 6 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910045767 CN101795403A (en) | 2009-02-03 | 2009-02-03 | Video transmission method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910045767 CN101795403A (en) | 2009-02-03 | 2009-02-03 | Video transmission method and system |
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| CN101795403A true CN101795403A (en) | 2010-08-04 |
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| CN 200910045767 Pending CN101795403A (en) | 2009-02-03 | 2009-02-03 | Video transmission method and system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102438106A (en) * | 2011-12-21 | 2012-05-02 | 成都众询科技有限公司 | Video acquisition system |
| CN102438129A (en) * | 2011-12-21 | 2012-05-02 | 成都众询科技有限公司 | Wireless video transmission system |
| CN103686227A (en) * | 2012-09-17 | 2014-03-26 | 南京中兴力维软件有限公司 | Method, device and system for capturing and coding audio/video of mobile terminal |
| CN104023214A (en) * | 2014-06-25 | 2014-09-03 | 广东工业大学 | Distribution type video monitoring system constructed under domestic wifi (wireless fidelity) network |
| CN104700455A (en) * | 2013-12-06 | 2015-06-10 | 虚拟现实软件 | Method for visualizing three-dimensional data |
| CN108462850A (en) * | 2017-02-21 | 2018-08-28 | 展讯通信（上海）有限公司 | Video-conference phone device |
-
2009
- 2009-02-03 CN CN 200910045767 patent/CN101795403A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102438106A (en) * | 2011-12-21 | 2012-05-02 | 成都众询科技有限公司 | Video acquisition system |
| CN102438129A (en) * | 2011-12-21 | 2012-05-02 | 成都众询科技有限公司 | Wireless video transmission system |
| CN103686227A (en) * | 2012-09-17 | 2014-03-26 | 南京中兴力维软件有限公司 | Method, device and system for capturing and coding audio/video of mobile terminal |
| CN104700455A (en) * | 2013-12-06 | 2015-06-10 | 虚拟现实软件 | Method for visualizing three-dimensional data |
| CN104700455B (en) * | 2013-12-06 | 2018-05-01 | 虚拟现实软件 | By three-dimensional data visualization method |
| CN104023214A (en) * | 2014-06-25 | 2014-09-03 | 广东工业大学 | Distribution type video monitoring system constructed under domestic wifi (wireless fidelity) network |
| CN108462850A (en) * | 2017-02-21 | 2018-08-28 | 展讯通信（上海）有限公司 | Video-conference phone device |
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Application publication date: 20100804 |