CN104202616A - Live telecasting and reviewing method and system based on naked streams - Google Patents
Live telecasting and reviewing method and system based on naked streams Download PDFInfo
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- CN104202616A CN104202616A CN201410459790.XA CN201410459790A CN104202616A CN 104202616 A CN104202616 A CN 104202616A CN 201410459790 A CN201410459790 A CN 201410459790A CN 104202616 A CN104202616 A CN 104202616A
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Abstract
The invention relates to a live telecasting and reviewing method and system based on naked streams. The method includes: building nodes; acquiring source live telecasting stream data on the nodes according to customized parameters; parsing the live telecasting stream data into the naked streams, performing fragmentation storage on the naked streams, and creating corresponding frame information indexes for the naked streams in fragmentation storage to serve as source live telecasting information; storing and combining the source live telecasting information into a source list; acquiring the live telecasting stream request of a user; acquiring the source live telecasting information corresponding to the live telecasting stream request. The method has the advantages that live telecasting based on the naked streams is achieved, live telecasting and forwarding of the streams pulled and encapsulated by edge nodes are performed to parse the naked streams supporting the live telecasting requests of other formats, the naked streams are stored, indexes of the naked streams are formed, and multiple encapsulation formats can be supported when a reviewing request is received.
Description
Technical field
The present invention relates to the technical field of Streaming Media, especially relate to a kind of based on naked stream live broadcasting method and review method.
Background technology
Streaming Media great majority of the prior art can be realized separately live or look back function, and Streaming Media of the prior art only can transmit single fixed medium form in the real-time output of encapsulation format.When can not realize a kind of input of format stream in prior art, support the output of multiple format live TV stream and multiple format to review stream; Output of the prior art can not be shared server stress, and the equilibrium that can not realize resource distributes.
Summary of the invention
The object of the invention is to design a kind of based on naked stream live broadcasting method and review method, address the above problem.
To achieve these goals, the technical solution used in the present invention is as follows:
Based on the live method of naked stream, comprise the steps:
Step 101, creates node; On described node according to the live TV stream data in self-defining parameter acquiring source;
Step 102, is naked stream by described live TV stream Data Analysis, and described naked stream is carried out to burst storage, and for the described naked stream of burst storage creates corresponding frame information index, as getting source live TV stream information; Will described in get source live TV stream information and be stored in to merge and get in the list of source;
Step 103, the live TV stream request of obtaining user; According to described live TV stream request, obtain video request corresponding described in get source live TV stream information;
Step 104 is got source live TV stream information described in getting; And get naked stream described in the live TV stream acquisition of information of source according to described; Described naked stream is packaged into the video stream data of the type of described video request, and described video stream data is returned to user, realization is live based on naked stream.
Preferably, described merging get in the list of source described in get source live TV stream information and be not cited within the time presetting, described in deleting, get source live TV stream information and described in get naked stream corresponding to source live TV stream information.
Preferably, the original audio/video coding flow data that described naked stream is any coded system.
Preferably, in step 103, obtain video request corresponding described in while getting source live TV stream information, also judge described merging gets in the list of source, whether there is the source of getting live TV stream information corresponding to described live TV stream request;
If exist, the live TV stream request that described live TV stream request is put into the source of getting is play in queue, enters step 104;
If do not exist,, according to described video request, to video source, send request, return to step 101.
Adopt the live method that playbacks of naked stream, comprise the steps:
Obtain user's the request of reviewing; According to described, review request, judge that described merging is got described in whether existing in the list of source to review the source of getting live TV stream information corresponding to request;
If exist, described user's the request of reviewing is put into and gets source live TV stream request and playback in queue, and enter step 106;
If do not exist, return to error message, and review request described in finishing;
Step 106, reviews the video file of the type of request described in the described naked stream of burst storage is packaged into, and returns to user, realizes based on live the reviewing of naked stream.
Preferably, the original audio/video coding flow data that described naked stream is any coded system.
Based on the live system that playbacks of naked stream, comprise client and server, described client is for sending live request or review request to described server; Described server comprises:
Draw stream to get source module, for creating node, and on described node according to the live TV stream data in self-defining parameter acquiring source;
Stream processing module, for being naked stream by described live TV stream Data Analysis, carries out burst storage by described naked stream, and for the described naked stream of burst storage creates corresponding frame information index, as getting source live TV stream information;
Document control module, for obtaining user's live TV stream request or reviewing stream request, and according to described live TV stream request or review stream request and return to video stream data to user;
Stream receiver module, for resolve described live TV stream request or resolve described in review stream request.
Preferably, described stream processing module also for will described in get source live TV stream information and be stored in to merge and get source list.
Preferably, described stream receiver module also for will described in review stream request and be put into and get source live TV stream request and playback queue.
Naked stream refers to the original audio and video data streams not encapsulating through any file format.
Beneficial effect of the present invention can be summarized as follows:
The present invention pulls packaged stream by fringe node and carries out live forwarding, parses the live TV stream request that naked stream is supported extended formatting.Naked stream is stored simultaneously, and formed index.When reviewing request, just can support multiple encapsulation format, and form focus index, accelerate seek rate, provide better user to experience.Compared with prior art, the present invention supports a kind of input of format stream to support the output of multiple format live TV stream and the output that multiple format is reviewed stream simultaneously, shares server stress, and the equilibrium that has realized resource distributes.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet based on the live method of naked stream of the present invention;
Fig. 2 is the schematic flow sheet based on the live method of reviewing of naked stream of the present invention;
Fig. 3 is overall structure schematic diagram of the present invention;
Fig. 4 is stream reception & disposal schematic flow sheet of the present invention;
Fig. 5 is the schematic flow sheet that document control module of the present invention realizes look back function.
Embodiment
In order to make technical problem solved by the invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1 a kind of based on the live method of naked stream, comprises the steps:
Step 101, creates node; On node according to the live TV stream data in self-defining parameter acquiring source (source refers to the multimedia source information such as video);
Step 102, is naked stream by live TV stream Data Analysis, and naked stream is carried out to burst storage, and for the naked stream of burst storage creates corresponding frame information index, as getting source live TV stream information; To get source live TV stream information is stored in to merge and gets in the list of source; Merge the source of the getting live TV stream information of getting in the list of source and be not cited within the time presetting, delete and get source live TV stream information and get naked stream corresponding to source live TV stream information; Naked stream is the original audio/video coding flow data of any coded system;
Step 103, the live TV stream request of obtaining user; According to live TV stream request, obtain the source of getting live TV stream information corresponding to video request;
Step 104, according to the source of the getting live TV stream information getting; And according to getting the naked stream of source live TV stream acquisition of information; Naked stream is packaged into the video stream data of the type of video request, and video stream data is returned to user, realization is live based on naked stream.
In step 103, while obtaining the source of getting live TV stream information corresponding to video request, also judgement merges to get in the list of source, whether there is the source of getting live TV stream information corresponding to live TV stream request;
If exist, the live TV stream request that live TV stream request is put into the source of getting is play in queue, enters step 104;
If do not exist, according to video request, to video source, send request, return to step 101.
As shown in Figure 2, a kind of live method that playbacks of naked stream that adopts claim 1, comprises the steps:
Obtain user's the request of reviewing; According to reviewing request, judgement merges gets in the list of source, whether the having source of getting live TV stream information corresponding to the request reviewed;
If exist, user's the request of reviewing is put into and gets source live TV stream request and playback in queue, and enter step 106;
If do not exist, return to error message, and finish to review request;
Step 106, is packaged into the video file of the type of the request of reviewing by the naked stream of burst storage, and returns to user, realizes based on live the reviewing of naked stream.
Naked stream is the original audio/video coding flow data of any coded system.
Based on the live system that playbacks of naked stream, comprise client and server, client is for sending live request or review request to server; Server comprises:
Draw stream to get source module, for creating node, and on node according to the live TV stream data in self-defining parameter acquiring source;
Stream processing module, for being naked stream by live TV stream Data Analysis, carries out burst storage by naked stream, and for the naked stream of burst storage creates corresponding frame information index, as getting source live TV stream information;
Document control module, for obtaining user's live TV stream request or reviewing stream request, and according to live TV stream request or review stream request and return to video stream data to user; Stream processing module is also stored in to merge and gets source list for getting source live TV stream information;
Stream receiver module, reviews stream request for resolving live TV stream request or parsing; Stream receiver module is also asked to be put into and is got source live TV stream request and playback queue for reviewing stream.
As shown in Figure 3, draw stream to get source module operation principle as follows: starter node and source; Node initiatively draws stream from source according to configuration, and just configures relevant information and store into merge and get source list.Also can passive reception sources plug-flow, and stream relevant information is joined and merged back in the middle of the list of source.Node is waited for user's request, and when user initiates to ask, first node is searched to merge and got source list, whether has related streams information, if exist, so this request is put into corresponding flow structure queue medium to be sent; Otherwise node can be initiated to source this request, and ask relevant information to join merging this and get in the list of source, and request 1 is joined in this flow structure queue.The source of receiving is corresponding and send. and the method flexible configuration, and if source has also do not need each node to revise configuration adding of channel, just does not need to restart all nodes yet.So just increase user's experience, simplified operation.
As shown in Figure 4, for node, stream reception & disposal as follows: when node receive upper strata to flow data after, according to encapsulation format, by container decapsulation, resolve to naked stream, then a complete frame of having resolved is put into merge and gets in source structure, wait for the transmission of live or short-term time shift, naked stream is packaged into specified format and sends a user.These data can be saved in corresponding file the form with naked stream, and write index simultaneously.Preserve naked flow data and index file and generate according to some fixed mode, when therefore reviewing, can locate fast.When exceeding schedule time and this frame does not quote, delete this frame.It is same that file is stored.
As shown in Figure 5, for time look back function early, the parameter that scheme is imported into by resolving user, find corresponding index file, by the index file of preserving, find corresponding naked stream file, by corresponding index information, find the key frame that meets user's request accordingly most, then according to the desired encapsulation format of request, naked stream is encapsulated accordingly, then send to client.
For document control module (look back function module), this programme flow process is as follows: first analysis request is reviewed parameter, if meet rule (create-rule, time etc.), according to parameter and the file generated rule mentioned before, navigate to fast stream and index file thereof so.By index file, find the position of the frame that meets Parameter Conditions most, then to client, send data.For expired file, delete in time, and delete index information.
The present invention solves the live problem with reviewing the real-time output of many encapsulation format; By the live and look back function of fringe node being put into mode on same server, reach saving resource simultaneously, reduce the effect of source station pressure.The present invention pulls packaged stream by fringe node and carries out live forwarding, parses the live TV stream request that naked stream is supported extended formatting.Naked stream is stored simultaneously, and formed index.When reviewing request, just can support multiple encapsulation format, and form focus index, accelerate seek rate, provide better user to experience.Compared with prior art, the present invention supports a kind of input of format stream to support the output of multiple format live TV stream and the output that multiple format is reviewed stream simultaneously, shares server stress, and the equilibrium that has realized resource distributes.
More than by the detailed description of concrete and preferred embodiment the present invention; but those skilled in the art should be understood that; the present invention is not limited to the above embodiment; within the spirit and principles in the present invention all; any modification of doing, be equal to replacement etc., within protection scope of the present invention all should be included in.
Claims (9)
1. based on the live method of naked stream, it is characterized in that, comprise the steps:
Step 101, creates node; On described node according to the live TV stream data in self-defining parameter acquiring source;
Step 102, is naked stream by described live TV stream Data Analysis, and described naked stream is carried out to burst storage, and for the described naked stream of burst storage creates corresponding frame information index, as getting source live TV stream information; Will described in get source live TV stream information and be stored in to merge and get in the list of source;
Step 103, the live TV stream request of obtaining user; According to described live TV stream request, obtain video request corresponding described in get source live TV stream information;
Step 104 is got source live TV stream information described in getting; And get naked stream described in the live TV stream acquisition of information of source according to described; Described naked stream is packaged into the video stream data of the type of described video request, and described video stream data is returned to user, realization is live based on naked stream.
2. according to claim 1 based on the live method of naked stream, it is characterized in that: described merging get in the list of source described in get source live TV stream information and be not cited within the time presetting, described in deleting, get source live TV stream information and described in get naked stream corresponding to source live TV stream information.
3. according to claim 1 based on the live method of naked stream, it is characterized in that: the original audio/video coding flow data that described naked stream is any coded system.
4. according to claim 1 based on the live method of naked stream, it is characterized in that: in step 103, obtain video request corresponding described in while getting source live TV stream information, also judge described merging gets in the list of source, whether there is the source of getting live TV stream information corresponding to described live TV stream request;
If exist, the live TV stream request that described live TV stream request is put into the source of getting is play in queue, enters step 104;
If do not exist,, according to described video request, to video source, send request, return to step 101.
5. adopt the live method of reviewing of naked stream claimed in claim 1, it is characterized in that, comprise the steps:
Obtain user's the request of reviewing; According to described, review request, judge that described merging is got described in whether existing in the list of source to review the source of getting live TV stream information corresponding to request;
If exist, described user's the request of reviewing is put into and gets source live TV stream request and playback in queue, and enter step 106;
If do not exist, return to error message, and review request described in finishing;
Step 106, reviews the video file of the type of request described in the described naked stream of burst storage is packaged into, and returns to user, realizes based on live the reviewing of naked stream.
6. according to claim 5 based on the live method of reviewing of naked stream, it is characterized in that: the original audio/video coding flow data that described naked stream is any coded system.
7. based on the live system that playbacks of naked stream, comprise client and server, it is characterized in that: described client is for sending live request or review request to described server; Described server comprises:
Draw stream to get source module, for creating node, and on described node according to the live TV stream data in self-defining parameter acquiring source;
Stream processing module, for being naked stream by described live TV stream Data Analysis, carries out burst storage by described naked stream, and for the described naked stream of burst storage creates corresponding frame information index, as getting source live TV stream information;
Document control module, for obtaining user's live TV stream request or reviewing stream request, and according to described live TV stream request or review stream request and return to video stream data to user;
Stream receiver module, for resolve described live TV stream request or resolve described in review stream request.
According to claim 7 by described based on the live system that playbacks of naked stream, it is characterized in that: described stream processing module also for will described in get source live TV stream information and be stored in to merge and get source list.
According to claim 7 by described based on the live system that playbacks of naked stream, it is characterized in that: described stream receiver module also for will described in review stream request and be put into and get source live TV stream request and playback queue.
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| CN201410459790.XA CN104202616A (en) | 2014-09-11 | 2014-09-11 | Live telecasting and reviewing method and system based on naked streams |
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| CN201410459790.XA CN104202616A (en) | 2014-09-11 | 2014-09-11 | Live telecasting and reviewing method and system based on naked streams |
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