CN101938628B - Internet live broadcast signal dynamic switching method - Google Patents
Internet live broadcast signal dynamic switching method Download PDFInfo
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- CN101938628B CN101938628B CN200910054097.3A CN200910054097A CN101938628B CN 101938628 B CN101938628 B CN 101938628B CN 200910054097 A CN200910054097 A CN 200910054097A CN 101938628 B CN101938628 B CN 101938628B
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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 wider selection face.Meanwhile, the Internet direct seeding technique has also reduced threshold and the cost of direct broadcast service.
Because cost is low, in general, live multiple signal stream, corresponding on-the-spot multiple seats in the plane or the instructor in broadcasting's signal of often providing in the Internet.The interface providing by live broadcast system, user can be switched in these signals, selects the signal of oneself liking.
Current signal handoff technique is fairly simple, and the original signal that breaks exactly reconnects on new signal stream.This kind of method realizes simple, but for user, the interruption that when weak point is to switch, Audio and Video all can be for some time, thus affect user's experience.
Summary of the invention
The object of the invention is to, provide a kind of, having realized user can seamlessly switch between live signal, the intersection of two signals without any interruption, Audio and Video is all continuous, thereby improves user's experience.
The present invention adopts following technical scheme:
A kind of internet live broadcast signal dynamic switching method, comprises the following steps:
1) direct broadcast server receives and plays live TV stream request, and identification information and user that this broadcasting 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 unique identification to set up this unique identification and this live TV stream corresponding relation between being connected according to the user in request;
3) direct broadcast server receives and switches live TV stream request, and identification information and this user of the target live TV stream that comprises switching in the live request of this switching ask unique identification;
4) direct broadcast server asks unique identification to find corresponding live TV stream to connect according to the user in the live request of this switching, by described target live TV stream be spliced to current live TV stream after.
Further, in described step 4) afterwards, also comprise:
Step 5) corresponding relation step of updating, this live TV stream in the corresponding relation between this unique identification and this live TV stream are connected is updated to target live TV stream.
Further, in described step 5) afterwards, in the time that direct broadcast server receives the request of switching live TV stream again, user is switched to other live TV stream again, goes to step 3).
Further, in described step 4) in, the coding of described current live TV stream and target live TV stream is all with FLV (Flash Video, Flash video) be container, H.264 coding, the concrete grammar below that target live TV stream in request is spliced to current live TV stream is: analyze one or several nearest key frame of also not exporting in current live TV stream, till making current video flow data output to one or several nearest key frame position; Then the sequence parameter set of evaluating objects live TV stream and key frame, is connected on the sequence parameter set of target live TV stream after last key frame of former net cast data flow, then starts to send target live TV stream data from a up-to-date key frame.
Further, described step 3) in play live signal handover request and use new HTTP to connect by user side by browser to send to direct broadcast server.
Further, described step 3) in play live signal handover request and use new HTTP to connect by user side by player to send to direct broadcast server.
The present invention and traditional passing through break original signal start the method for new signal different be, the present invention is that content live TV stream being connected at server end is switched to new signal from original signal, rather than disconnected former connection of falling to play original signal in conventional method, after the newly-built connection in the Internet consuming time, link the new connection of playing new signal.Use after method of the present invention, for user, only have a continual live TV stream to connect, just signal has become new signal from original signal; User, connecting in unbroken situation, has dynamically been switched live signal, and user is taken over seamlessly between live TV stream, has greatly improved user's experience.
Further illustrate the present invention below in conjunction with drawings and Examples.
Accompanying drawing explanation
Fig. 1 is internet live broadcast signal dynamic switching method schematic flow sheet of the present invention.
Embodiment
As shown in Figure 1, a kind of internet live broadcast signal dynamic switching method, comprises the following steps:
1) direct broadcast server receives and plays live TV stream request, and identification information (as title, link etc.) and user that this broadcasting live TV stream request comprises live TV stream ask unique identification; This broadcasting live TV stream request can be to be sent to direct broadcast server by the player in browser by user side;
2) direct broadcast server is received after this broadcasting live TV stream request, provide respective live stream according to the live TV stream information in this request to user side, and ask unique identification to set up this unique identification and this live TV stream corresponding relation between being connected according to the user in request;
3) direct broadcast server receives and switches live TV stream request, and identification information (as title, link etc.) and this user of the target live TV stream that comprises switching in the live request of this switching ask unique identification; This switching live TV stream request is in the time that user need to be switched to another live TV stream, is sent to direct broadcast server by user side;
4) direct broadcast server is received after this switching live TV stream request, asks unique identification to find corresponding live TV stream to connect according to the user in the live request of this switching, by described target live TV stream be spliced to current live TV stream after.Like this, user connection breaking in the situation that, has realized the dynamic switching of live signal in not.In this step, direct broadcast server be not disconnect described step 2) in former live TV stream, but in described step 2) in former live TV stream connect, by request in target live TV stream be spliced to current live TV stream after, the signal that dynamically changes stream, makes former live TV stream and target live TV stream live continuously.
Wherein, in described step 4) afterwards, also comprise:
Step 5) corresponding relation step of updating, this live TV stream in the corresponding relation between this unique identification and this live TV stream are connected is updated to target live TV stream.
Wherein, in described step 5) afterwards, in the time that direct broadcast server receives the request of switching live TV stream again, user is switched to other live TV stream again, goes to step 3).
Wherein, in described step 4) in, the coding of described current live TV stream and target live TV stream is all take flv as container, H.264 coding, the concrete grammar below that target live TV stream in request is spliced to current live TV stream is: analyze one or several nearest key frame of also not exporting in current live TV stream, till making current video flow data output to one or several nearest key frame position; Then the sequence parameter set of evaluating objects live TV stream (SPS) and key frame, is connected on the SPS of target live TV stream after last key frame of former net cast data flow and then starts to send target live TV stream data from a up-to-date key frame.The quantity of described one or several key frame comprehensively determines according to the processing speed of direct broadcast server, network burden, network speed, and in the present embodiment, preferential described former net cast data flow outputs to a key frame nearest from last outgoing position.
Wherein, the transmission means between described user side and direct broadcast server is for transmitting by TCP or http protocol.
Described step 3) in play live signal handover request and use new HTTP to connect by user side by browser to send to direct broadcast server.Or, described step 3) in play live signal handover request and use new HTTP to connect by user side by player to send to direct broadcast server.
The present invention has realized on direct broadcast server, and the method in grafting different video source realizes in same TCP or HTTP connection, Switch Video source, and user does not need to initiate new video connection.
Claims (6)
1. an internet live broadcast signal dynamic switching method, is characterized in that comprising the following steps:
1) direct broadcast server receives and plays live TV stream request, and identification information and user that this broadcasting 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 unique identification to set up this unique identification and this live TV stream corresponding relation between being connected according to the user in request;
3) direct broadcast server receives and switches live TV stream request, and identification information and this user of the target live TV stream that comprises switching in the live request of this switching ask unique identification;
4) direct broadcast server asks unique identification to find corresponding live TV stream to connect according to the user in the live request of this switching, by described target live TV stream be spliced to current live TV stream after; The concrete grammar below that target live TV stream in request is spliced to current live TV stream is: analyze one or several nearest key frame of also not exporting in current live TV stream, till making current video flow data output to one or several nearest key frame position; Then the sequence parameter set of evaluating objects live TV stream and key frame, is connected on the sequence parameter set of target live TV stream after the nearest key frame of former net cast data flow, then starts to send target live TV stream data from a up-to-date key frame.
2. internet live broadcast signal dynamic switching method according to claim 1, is characterized in that:
In described step 4) afterwards, also comprise:
Step 5) corresponding relation step of updating, this live TV stream in the corresponding relation between this unique identification and this live TV stream are connected is updated to target live TV stream.
3. internet live broadcast signal dynamic switching method according to claim 2, is characterized in that:
In described step 5) afterwards, in the time that direct broadcast server receives the request of switching live TV stream again, user is switched to other live TV stream again, goes to step 3).
4. according to the internet live broadcast signal dynamic switching method described in claim 1 or 2 or 3, it is characterized in that:
In described step 4) in, H.264 the coding of described current live TV stream and target live TV stream, all take FLV as container, encodes.
5. internet live broadcast signal dynamic switching method according to claim 4, is characterized in that:
Described step 3) the middle live signal handover request of playing is used new HTTP to connect to direct broadcast server transmission by user side by browser, and former live TV stream signal does not interrupt.
6. internet live broadcast signal dynamic switching method according to claim 5, is characterized in that:
Described step 3) in play live signal handover request and use new HTTP to connect by user side by player to send to direct broadcast server.
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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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| CN101938628B true CN101938628B (en) | 2014-07-02 |
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Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN103944888B (en) * | 2014-04-02 | 2018-03-06 | 天脉聚源(北京)传媒科技有限公司 | The method, apparatus and system of a kind of resource-sharing |
| CN104333770B (en) | 2014-11-20 | 2018-01-12 | 广州华多网络科技有限公司 | The method and device of a kind of net cast |
| 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 |
| CN105872601A (en) * | 2015-12-14 | 2016-08-17 | 乐视云计算有限公司 | Video playing method, device and system |
| 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 |
| CN105828091B (en) * | 2016-03-28 | 2018-11-09 | 广州华多网络科技有限公司 | The playback method and system of video frequency program in network direct broadcasting |
| CN105847875B (en) * | 2016-05-13 | 2019-04-23 | 武汉斗鱼网络科技有限公司 | A kind of the viewing route intelligent selecting method and system of net cast platform |
| CN105872604B (en) * | 2016-06-15 | 2018-09-21 | 武汉斗鱼网络科技有限公司 | Live video stream method for pushing and system based on different user state |
| 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 |
| 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 |
| CN110109597B (en) | 2019-05-20 | 2020-12-22 | 北京字节跳动网络技术有限公司 | Singing list switching method, device, system, terminal and storage medium |
| CN113365149A (en) * | 2021-06-02 | 2021-09-07 | 上海哔哩哔哩科技有限公司 | Live broadcast picture playing method and device of live broadcast room |
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Effective date of registration: 20200513 Address after: 310052 room 508, floor 5, building 4, No. 699, Wangshang Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Alibaba (China) Co.,Ltd. Address before: 200241, room 2, floor 02, building 555, Dongchuan Road, Minhang District, Shanghai Patentee before: Transmission network technology (Shanghai) Co., Ltd |