CN101938628A - Internet live broadcast signal dynamic switching method - Google Patents
Internet live broadcast signal dynamic switching method Download PDFInfo
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- CN101938628A CN101938628A CN2009100540973A CN200910054097A CN101938628A CN 101938628 A CN101938628 A CN 101938628A CN 2009100540973 A CN2009100540973 A CN 2009100540973A CN 200910054097 A CN200910054097 A CN 200910054097A CN 101938628 A CN101938628 A CN 101938628A
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Abstract
The invention relates to an Internet live broadcast signal dynamic switching method which comprises the following steps: (1) a live broadcast server receives a live broadcast stream play request, wherein the live broadcast stream play request comprises identification information of live broadcast steams and user request unique identification; (2) the live broadcast server provides corresponding live broadcast streams for the user side according to the live broadcast stream information, and establishes the corresponding relation between the unique identification and the live broadcast stream connection according to the user request unique identification in the request; (3) the live broadcast server receives the live broadcast stream switching request, wherein the live broadcast stream switching request comprises identification information of the target live broadcast stream to be switched, and the user request unique identification; and(4) the live broadcast server finds out the corresponding live broadcast stream connection according to the user request unique identification in the live broadcast switching request, and splices the target live broadcast stream behind the current live broadcast stream. On the premise of uninterrupted connection, the invention dynamically switches the live broadcast signals, so that the user can smoothly switch among live broadcast streams, thereby greatly enhancing the user experience.
Description
Technical field
The present invention relates to the changing method of live signal on the Internet.
Background technology
The Internet direct seeding technique is broken away from and can only be watched live constraint from TV by domestic consumer, allows domestic consumer watch various on-the-spot broadcasting by the Internet, and therefore domestic consumer has had wideer selection face.Simultaneously, the Internet direct seeding technique has also reduced the threshold and the cost of direct broadcast service.
Because cost is low, in general, live a plurality of signal flows, corresponding on-the-spot a plurality of seats in the plane or the instructor in broadcasting's signal of often providing in the Internet.By the interface that live broadcast system provides, the user can be switched in these signals, selects the signal of oneself liking.
Present signal handoff technique is fairly simple, and the original signal that breaks exactly reconnects on the new signal flow.This kind method realizes simple, but for the user, the interruption that video and audio frequency all can be for some time when weak point was to switch, thus influence user experience.
Summary of the invention
The objective of the invention is to, provide a kind of, realized that the user can be between live signal seamlessly switches, promptly the intersection of two signals without any interruption, video and audio frequency all are continuous, thereby improve user's experience.
The present invention adopts following technical scheme:
A kind of the Internet live signal dynamic switching method may further comprise the steps:
1) direct broadcast server receives and plays the live TV stream request, and identification information and user that this broadcast live TV stream request comprises live TV stream ask unique identification;
2) direct broadcast server provides respective live stream according to live TV stream information to user side, and asks the corresponding relation of unique identification between setting up this unique identification and this live TV stream being connected according to the user in the request;
3) direct broadcast server receives and switches the live TV stream request, and this identification information and this user of switching the target live TV stream that comprises switching in the live request asks unique identification;
4) direct broadcast server asks unique identification to find corresponding live TV stream to connect according to the user that this switches in the live request, described target live TV stream is spliced to the back of current live TV stream.
Further, after described step 4), also comprise:
Step 5) corresponding relation step of updating is updated to the target live TV stream with this unique identification with this live TV stream in the corresponding relation between this live TV stream is connected.
Further, after described step 5), when direct broadcast server received the request of switching live TV stream once more, promptly the user switched to other live TV stream once more, then changes step 3).
Further, in described step 4), the coding of described current live TV stream and target live TV stream is all with FLV (Flash Video, the Flash video) is container, H.264 encode, the concrete grammar that target live TV stream in the request is spliced to the back of current live TV stream is: analyze one or several nearest key frame of also not exporting in the current live TV stream, make the current video flow data output to till one or several nearest key frame position; The sequence parameter set of evaluating objects live TV stream and key frame then are connected on last key frame back of former net cast data flow to the sequence parameter set of target live TV stream, then begin to send target live TV stream data from a up-to-date key frame.
Further, playing the live signal handoff request in the described step 3) uses new HTTP connection to send to direct broadcast server by user side by browser.
Further, playing the live signal handoff request in the described step 3) uses new HTTP connection to send to direct broadcast server by user side by player.
The present invention and traditional passing through break original signal begin the method for new signal different be, the present invention switches to new signal to the content that live TV stream connects from original signal at server end, rather than the former connection of the broadcast original signal that breaks in the conventional method, through after the newly-built connection in the Internet consuming time, link the new connection of playing new signal.After using method of the present invention, for the user, have only a continual live TV stream to connect, just signal has become new signal from original signal; The user has dynamically been switched live signal connecting under unbroken situation, makes the user take over seamlessly between live TV stream, has improved user experience greatly.
Further specify the present invention below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 is a Internet of the present invention live signal dynamic switching method schematic flow sheet.
Embodiment
As shown in Figure 1, a kind of the Internet live signal dynamic switching method may further comprise the steps:
1) direct broadcast server receives and plays the live TV stream request, and identification information (as title, link etc.) and user that this broadcast live TV stream request comprises live TV stream ask unique identification; This broadcast live TV stream request can be to be sent to direct broadcast server by the player in the browser by user side;
2) after direct broadcast server is received this broadcast live TV stream request, provide respective live stream to user side, and ask the corresponding relation of unique identification between setting up this unique identification and this live TV stream being connected according to the user in the request according to the live TV stream information in this request;
3) direct broadcast server receives and switches the live TV stream request, and this identification information (adding title, link etc.) and this user of switching the target live TV stream that comprises switching in the live request asks unique identification; This switching live TV stream request is when the user need switch to another live TV stream, is sent to direct broadcast server by user side;
4) after direct broadcast server is received this switching live TV stream request, ask unique identification to find corresponding live TV stream to connect, described target live TV stream is spliced to the back of current live TV stream according to this user of switching in the live request.Like this, the user has realized the dynamic switching of live signal under the situation of not interrupting connecting.In this step, direct broadcast server is not to disconnect described step 2) in former live TV stream, but in described step 2) in former live TV stream connect, target live TV stream in the request is spliced to the back of current live TV stream, dynamically change the signal of stream, make former live TV stream and target live TV stream live continuously.
Wherein, after described step 4), also comprise:
Step 5) corresponding relation step of updating is updated to the target live TV stream with this unique identification with this live TV stream in the corresponding relation between this live TV stream is connected.
Wherein, after described step 5), when direct broadcast server received the request of switching live TV stream once more, promptly the user switched to other live TV stream once more, then changes step 3).
Wherein, in described step 4), the coding of described current live TV stream and target live TV stream all is container with flv, H.264 encode, the concrete grammar that target live TV stream in the request is spliced to the back of current live TV stream is: analyze one or several nearest key frame of also not exporting in the current live TV stream, make the current video flow data output to till one or several nearest key frame position; Sequence parameter set of evaluating objects live TV stream (SPS) and key frame then, last the key frame back that the SPS of target live TV stream is connected on former net cast data flow then begins to send target live TV stream data from a up-to-date key frame.Described one or several quantity of key frames determines comprehensively that according to processing speed, network burden, the network speed of direct broadcast server in the present embodiment, preferential described former net cast data flow outputs to from a nearest key frame of last outgoing position.
Wherein, the transmission means between described user side and the direct broadcast server is for transmitting by TCP or http protocol.
Playing the live signal handoff request in the described step 3) uses new HTTP connection to send to direct broadcast server by user side by browser.Perhaps, playing the live signal handoff request in the described step 3) uses new HTTP connection to send to direct broadcast server by user side by player.
The present invention has realized on direct broadcast server, and the method in grafting different video source is implemented in same TCP or the HTTP connection, the Switch Video source, and the user does not need to initiate new video connection.
Claims (6)
1. the Internet live signal dynamic switching method is characterized in that may further comprise the steps:
1) direct broadcast server receives and plays the live TV stream request, and identification information and user that this broadcast live TV stream request comprises live TV stream ask unique identification;
2) direct broadcast server provides respective live stream according to live TV stream information to user side, and asks the corresponding relation of unique identification between setting up this unique identification and this live TV stream being connected according to the user in the request;
3) direct broadcast server receives and switches the live TV stream request, and this identification information and this user of switching the target live TV stream that comprises switching in the live request asks unique identification;
4) direct broadcast server asks unique identification to find corresponding live TV stream to connect according to the user that this switches in the live request, described target live TV stream is spliced to the back of current live TV stream.
2. the Internet according to claim 1 live signal dynamic switching method is characterized in that:
After described step 4), also comprise:
Step 5) corresponding relation step of updating is updated to the target live TV stream with this unique identification with this live TV stream in the corresponding relation between this live TV stream is connected.
3. the Internet according to claim 2 live signal dynamic switching method is characterized in that:
After described step 5), when direct broadcast server received the request of switching live TV stream once more, promptly the user switched to other live TV stream once more, then changes step 3).
4. according to claim 1 or 2 or 3 described the Internet live signal dynamic switching methods, it is characterized in that:
In described step 4), the coding of described current live TV stream and target live TV stream all is container with FLV, H.264 encode, the concrete grammar that target live TV stream in the request is spliced to the back of current live TV stream is: analyze one or several nearest key frame of also not exporting in the current live TV stream, make the current video flow data output to till one or several nearest key frame position; The sequence parameter set of evaluating objects live TV stream and key frame then are connected on the nearest key frame back of former net cast data flow to the sequence parameter set of target live TV stream, then begin to send target live TV stream data from a up-to-date key frame.
5. the Internet according to claim 4 live signal dynamic switching method is characterized in that:
Play the live signal handoff request in the described step 3) and use new HTTP to connect by browser, and former live TV stream signal does not interrupt to the direct broadcast server transmission by user side.
6. the Internet according to claim 5 live signal dynamic switching method is characterized in that:
Playing the live signal handoff request in the described step 3) uses new HTTP connection to send to direct broadcast server by user side by player.
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| CN200910054097.3A CN101938628B (en) | 2009-06-29 | 2009-06-29 | Internet live broadcast signal dynamic switching method |
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| CN200910054097.3A CN101938628B (en) | 2009-06-29 | 2009-06-29 | Internet live broadcast signal dynamic switching method |
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| CN102547481A (en) * | 2012-02-10 | 2012-07-04 | 中国联合网络通信集团有限公司 | Mobile streaming media online play list setting and content fast-switching method and system |
| CN103856806A (en) * | 2012-11-28 | 2014-06-11 | 腾讯科技（北京）有限公司 | Video stream switching method, device and system |
| CN103944888A (en) * | 2014-04-02 | 2014-07-23 | 天脉聚源(北京)传媒科技有限公司 | Resource sharing method, device and system |
| WO2016078186A1 (en) * | 2014-11-20 | 2016-05-26 | 广州华多网络科技有限公司 | Method and device for live video broadcast |
| CN105763941A (en) * | 2016-03-02 | 2016-07-13 | 深圳市茁壮网络股份有限公司 | Channel switching method and system |
| CN105828091A (en) * | 2016-03-28 | 2016-08-03 | 广州华多网络科技有限公司 | Method and system for video program playing in network broadcast |
| CN105847875A (en) * | 2016-05-13 | 2016-08-10 | 武汉斗鱼网络科技有限公司 | Live video broadcast platform watching line intelligent choosing method and system |
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| CN105872604A (en) * | 2016-06-15 | 2016-08-17 | 武汉斗鱼网络科技有限公司 | Live broadcast video stream pushing method based on different user states and live broadcast video stream pushing system based on different user states |
| CN105898366A (en) * | 2015-12-03 | 2016-08-24 | 乐视致新电子科技（天津）有限公司 | Live audio switching method and stream media server |
| CN107426582A (en) * | 2017-06-09 | 2017-12-01 | 苏州蜗牛数字科技股份有限公司 | A kind of RTMP live TV streams seamless switch-over system and method |
| CN107690075A (en) * | 2016-08-04 | 2018-02-13 | 创盛视联数码科技（北京）有限公司 | live stream switching method |
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| CN101127884B (en) * | 2007-09-12 | 2011-07-13 | 中兴通讯股份有限公司 | Program switching method |
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| CN102547481B (en) * | 2012-02-10 | 2014-08-20 | 中国联合网络通信集团有限公司 | Mobile streaming media online play list setting and content fast-switching method and system |
| CN103856806A (en) * | 2012-11-28 | 2014-06-11 | 腾讯科技（北京）有限公司 | Video stream switching method, device and system |
| CN103856806B (en) * | 2012-11-28 | 2018-05-01 | 腾讯科技（北京）有限公司 | Video stream switching method, apparatus and system |
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| CN108271033B (en) * | 2016-12-30 | 2021-01-01 | 武汉斗鱼网络科技有限公司 | Video live broadcast method and device |
| CN107426582A (en) * | 2017-06-09 | 2017-12-01 | 苏州蜗牛数字科技股份有限公司 | A kind of RTMP live TV streams seamless switch-over system and method |
| CN110109597A (en) * | 2019-05-20 | 2019-08-09 | 北京字节跳动网络技术有限公司 | A kind of single switching method of song, device, system, terminal and storage medium |
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