CN101702728B - Streaming media transmission system for mobile communication equipment terminal and application method thereof - Google Patents
Streaming media transmission system for mobile communication equipment terminal and application method thereof Download PDFInfo
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- CN101702728B CN101702728B CN 200910306497 CN200910306497A CN101702728B CN 101702728 B CN101702728 B CN 101702728B CN 200910306497 CN200910306497 CN 200910306497 CN 200910306497 A CN200910306497 A CN 200910306497A CN 101702728 B CN101702728 B CN 101702728B
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Abstract
The invention relates to the field of mobile communication equipment terminals, in particular to a streaming media transmission system for a mobile communication equipment terminal and an application method thereof. The system comprises a transfer server installed at the mobile communication equipment terminal and used for transferring the access request of the mobile communication equipment terminal, an access module and a downloading module, wherein the access module is arranged at the mobile communication equipment terminal and is used for sending the access request; the downloading module is arranged in the transfer server and is used for downloading streaming media; the access module is connected with the downloading module through a network; the access module is provided with a segment requesting module for sending a segment downloading request to the transfer server; and the downloading module is provided with a segment responding module which corresponds to the segment requesting module and is used for segmenting the downloaded streaming media. The invention is more suitable for the mobile communication equipment terminal to carry out streaming media transmission broadcasting and playing by optimizing the streaming media transmission mode.
Description
Technical field
The present invention relates to field of mobile communication equipment terminals, particularly relate to a kind of stream media transmission system for mobile communication equipment terminals and application process thereof.
Background technology
Mainly contain at present download and stream transmission two schemes at multimedia messagess such as transmission over networks audio/videos.The limited network bandwidth when media file is larger, uses download scenarios to play, and needs the long time.And in the stream transmission scheme, the data such as sound, image are, in real time transmission continuous to user terminal by server, the user needn't wait until that whole file all downloads completely, and only need can watch through the startup time-delay of several seconds or ten several seconds, and user's experience is better.
The present usage comparison of RTSP and MMS is transmitted agreement widely as a stream:
RTSP:Real-Time Streaming Protocol (real-time streaming protocol):
By RealNetworks and the common proposition of Netscape, can effectively utilize the network bandwidth by this agreement, media file is sent to RealPlayer (player) by means of Internet.What transmit generally is the media file of Real server issue, such as * .rm, * .ram.
MMS:Microsoft Media Server (Microsoft Media Server):
Can access and receive media file (such as * .asf, * .wmv etc.) in the Windows Media server by MMS (Microsoft Media Server) Protocol, receive and play this media file such as in Windows Media Player, opening in the URL mode.
The RTSP protocol application is very extensive now, and MMS (Microsoft Media Server) Protocol is also supported the RTSP agreement.
There is following technical problem in prior art:
1) stream transmission is based on various streaming propagation protocols, every kind of stream pattern propagation protocol all can the corresponding different network ports, based on 554 ports, MMS is based on 1755 ports such as RTSP ... if these ports are routed or fire compartment wall has sealed, stream transmission just can't have been carried out;
2) RTSP etc. also has certain requirement based on the flow transmission of UDP to network, in the unsettled Internet Transmission of this class of mobile communication equipment terminals+wireless network, uses the flow transmission of UDP can be easy to lost data packets, thereby causes picture damaged.
3) some fire compartment wall can be restricted to the file size of disposable transmission, and streaming media will be restricted because the file of disposable transmission is excessive like this.
Summary of the invention
The invention provides a kind of stream media transmission system for mobile communication equipment terminals, to solve the deficiencies in the prior art.
Second purpose of the present invention is for the application process of this stream media transmission system is provided.
In order to realize first goal of the invention, the technical scheme of employing is as follows:
The invention provides a kind of stream media transmission system for mobile communication equipment terminals, described system is installed in mobile communication equipment terminals and transmits the transfer server of mobile communication equipment terminals access request, comprise and be arranged on the access modules that mobile communication equipment terminals is used for sending access request, be arranged on the download module that transfer server is used for the download stream media, access modules and download module are by network connection, and wherein access modules is provided with the segmentation request module that sends the segmentation download request to transfer server;
Download module is provided with the segmentation respond module that the Streaming Media to download corresponding with the segmentation request module carries out segmentation.
As a kind of preferred version, segmentation request module and segmentation respond module are carried out network connection by connection oriented protocol.This connection oriented protocol is transmission control protocol (Transmission Control Protocol, TCP).
The reason that adopts TCP is because TCP is a kind of Reliable transport protocol, can guarantee can be retransmitted reliably when data go out active by Transmission Control Protocol.And packet loss can not appear as prior art adopts UDP.Therefore adopted Transmission Control Protocol, can guarantee the transmitting of data, so picture breakage can not occur, improve play quality.
As another kind of preferred version, segmentation request module and segmentation respond module are carried out network connection by the http protocol port.
Some router or fire compartment wall can seal the port of non-http protocol, and the port that prior art adopts is non-http protocol port, therefore probably can therefore be adopted the http protocol port to carry out network connection by misplacement, can guarantee that stream medium data obtains correct transmission.
As preferred version further, the segmentation respond module is divided into a plurality of parts that length meets the section length that sets in advance to the Streaming Media of downloading.
The section length that wherein sets in advance is 2M.
This section length arranges according to actual conditions.In some fire compartment wall, restricted to the file size of disposable transmission, therefore as long as section length is less than the restriction of fire compartment wall, then can walk around by the mode of segmentation the restriction of fire compartment wall, transmit glibly playing stream media.
In order to realize second method purpose, the technical scheme of employing is as follows:
The invention provides a kind of application process of the stream media transmission system for mobile communication equipment terminals, comprising:
(71) send the accessing step of access request at mobile communication equipment terminals;
(72) in the download step of transfer server download stream media;
(73) described accessing step comprises the segmentation request step that sends the segmentation download request to transfer server;
(74) described download step comprises that the Streaming Media to download corresponding with the segmentation request step carries out the segmentation response of step of segmentation and corresponding segment download request.
As a kind of preferred version, the concrete steps of said method are as follows:
(81) mobile communication equipment terminals sends access request by access modules;
(82) after transfer server was received access request, download module obtained corresponding stream medium data according to access request from the Internet;
(83) the segmentation request module of mobile communication equipment terminals sends the segmentation download request to transfer server;
(84) the segmentation respond module of transfer server detects download module, when the stream medium data of downloading the module download surpasses the section length that sets in advance, then sends the stream medium data of section length to mobile communication equipment terminals;
(85) the segmentation request module of mobile communication equipment terminals is play after receiving the stream medium data of section length, and continues execution in step (84)-(85) until whole files in stream media finishes or the user withdraws from broadcast.
As preferred version further, the section length that sets in advance is 2M.
Compared with prior art, the present invention adopts TCP to carry out network connection, has increased the stability of transfer of data.Because adopt the TCP transmission, therefore arranged when data when losing, can again transmit by retransmission mechanism, and not worry that losing of data causes the breakage of picture, this is extremely important in the situation of unstable networks.Owing to adopted the port of Http, therefore do not worry that port is by fire compartment wall or router end-blocking mouth in addition.At last, owing to adopt the mode of segment transmissions, can walk around fire compartment wall to the size restriction of disposable transfer files.
The present invention is optimized by the mode to streaming media, makes it to be more suitable for mobile communication equipment terminals and carries out the streaming media broadcast.
Description of drawings
Fig. 1 is schematic diagram of the present invention.
Embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, mobile communication equipment terminals 1 sends access request by access modules, and segmentation sent to mobile communication equipment terminals after download module obtained corresponding stream medium data according to access request from the Internet 3.Its concrete steps are as follows:
(S01) mobile communication equipment terminals 1 sends access request by access modules;
(S02) download module is according to the stream medium data A of access request 3 download correspondences from the Internet, and this size of data is 5M;
(S03) the segmentation request module of mobile communication equipment terminals 1 sends the segmentation download request to transfer server;
(S04) the segmentation respond module of transfer server 2 detects download module, when the stream medium data of downloading the module download surpasses 2M, then sends the stream medium data A1 of 2M to mobile communication equipment terminals, and A1 is kept at buffering area;
(S05) the segmentation request module of mobile communication equipment terminals is play after receiving the stream medium data A1 of section length;
(S06) simultaneously segmentation request module continues to send the segmentation download request to transfer server in the mobile communication equipment terminals playing stream media;
(S07) the segmentation respond module continues to detect download module, when the stream medium data of downloading the module download surpasses 2M again, then sends the stream medium data A2 of 2M to mobile communication equipment terminals, and preserves A2 at buffering area;
(S08) stream medium data A2 loses in transmission course;
(S09) the segmentation request module is at the appointed time interior can't obtain corresponding data, then starts retransmission mechanism, again sends the segmentation download request;
(S10) after the segmentation respond module is received the segmentation download request, then A2 is resend in the buffering area taking-up;
(S11) after the segmentation request module is received stream medium data A2, put A2 in the follow-up continued broadcasting of former stream medium data A1;
(S13) the segmentation request module continues to send the segmentation download request;
(S14) the segmentation respond module detects complete download file of download module, then continues to send remaining 1M stream medium data A3.
(S15) after the segmentation request module is received stream medium data A3, put A3 in the follow-up continued broadcasting of stream medium data A2.
Claims (8)
1. stream media transmission system that is used for mobile communication equipment terminals, described system is installed in mobile communication equipment terminals and transmits the transfer server of mobile communication equipment terminals access request, comprise and be arranged on the access modules that mobile communication equipment terminals is used for sending access request, be arranged on the download module that transfer server is used for the download stream media, download module obtains corresponding stream medium data according to access request from the Internet, access modules and download module is characterized in that by network connection:
Described access modules is provided with the segmentation request module that sends the segmentation download request to transfer server;
Described download module is provided with the segmentation respond module that the Streaming Media to download corresponding with the segmentation request module carries out segmentation;
Described segmentation request module and segmentation respond module are carried out network connection by connection oriented protocol.
2. stream media transmission system according to claim 1 is characterized in that, described connection oriented protocol is transmission control protocol.
3. stream media transmission system according to claim 1 is characterized in that, described segmentation request module and segmentation respond module are carried out network connection by the http protocol port.
4. stream media transmission system according to claim 1 is characterized in that, described segmentation respond module is divided into a plurality of parts that length meets the section length that sets in advance to the Streaming Media of downloading.
5. stream media transmission system according to claim 4 is characterized in that, the described section length that sets in advance is 2M.
6. an application process that is used for the stream media transmission system of mobile communication equipment terminals adopts stream media transmission system claimed in claim 1 to realize, comprising:
(71) send the accessing step of access request at mobile communication equipment terminals;
(72) in the download step of transfer server download stream media;
It is characterized in that described method also comprises the steps:
(73) described accessing step comprises the segmentation request step that sends the segmentation download request to transfer server;
(74) described download step comprises that the Streaming Media to download corresponding with the segmentation request step carries out the segmentation response of step of segmentation and corresponding segment download request.
7. application process according to claim 6 is characterized in that, the concrete steps of described method are as follows:
(81) mobile communication equipment terminals sends access request by access modules;
(82) after transfer server was received access request, download module obtained corresponding stream medium data according to access request from the Internet;
(83) the segmentation request module of mobile communication equipment terminals sends the segmentation download request to transfer server;
(84) the segmentation respond module of transfer server detects download module, when the stream medium data of downloading the module download surpasses the section length that sets in advance, then sends the stream medium data of section length to mobile communication equipment terminals;
(85) the segmentation request module of mobile communication equipment terminals is play after receiving the stream medium data of section length, and continues execution in step (84)-(85) until whole files in stream media finishes or the user withdraws from broadcast.
8. application process according to claim 7 is characterized in that, the described section length that sets in advance is 2M.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910306497 CN101702728B (en) | 2009-09-02 | 2009-09-02 | Streaming media transmission system for mobile communication equipment terminal and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200910306497 CN101702728B (en) | 2009-09-02 | 2009-09-02 | Streaming media transmission system for mobile communication equipment terminal and application method thereof |
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| Publication Number | Publication Date |
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| CN101702728A CN101702728A (en) | 2010-05-05 |
| CN101702728B true CN101702728B (en) | 2013-04-24 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104717295A (en) * | 2011-03-15 | 2015-06-17 | 广州市动景计算机科技有限公司 | Method and system for downloading big file from target server through mobile terminal |
| CN102088696B (en) * | 2011-03-15 | 2015-04-29 | 广州市动景计算机科技有限公司 | Method and system for downloading large file from target server by mobile terminal |
| CN103124275B (en) * | 2011-11-18 | 2016-01-20 | 腾讯科技（深圳）有限公司 | A kind of method and apparatus obtaining file |
| CN102769611A (en) * | 2012-06-25 | 2012-11-07 | 苏州阔地网络科技有限公司 | Method and system for achieving recording and playing |
| CN103595748B (en) * | 2012-08-16 | 2016-12-07 | 耀登科技股份有限公司 | Document transmission method and the mobile memory device applying the method |
| CN114500496A (en) * | 2020-10-27 | 2022-05-13 | 华为终端有限公司 | Target data downloading method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127989A (en) * | 2007-09-11 | 2008-02-20 | 中兴通讯股份有限公司 | A method for supporting hypertext transmission stream media service of mobile phone |
| CN101355574A (en) * | 2008-07-30 | 2009-01-28 | 优视动景（北京）技术服务有限公司 | Method for on-line playing stream media files by a mobile terminal |
-
2009
- 2009-09-02 CN CN 200910306497 patent/CN101702728B/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101127989A (en) * | 2007-09-11 | 2008-02-20 | 中兴通讯股份有限公司 | A method for supporting hypertext transmission stream media service of mobile phone |
| CN101355574A (en) * | 2008-07-30 | 2009-01-28 | 优视动景（北京）技术服务有限公司 | Method for on-line playing stream media files by a mobile terminal |
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| CN101702728A (en) | 2010-05-05 |
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