CN108012161A - Net cast method, system and terminal device - Google Patents
Net cast method, system and terminal device Download PDFInfo
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- CN108012161A CN108012161A CN201711106770.4A CN201711106770A CN108012161A CN 108012161 A CN108012161 A CN 108012161A CN 201711106770 A CN201711106770 A CN 201711106770A CN 108012161 A CN108012161 A CN 108012161A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/765—Media network packet handling intermediate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/21805—Source of audio or video content, e.g. local disk arrays enabling multiple viewpoints, e.g. using a plurality of cameras
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2665—Gathering content from different sources, e.g. Internet and satellite
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention provides a kind of net cast method, system and terminal device, the net cast method includes：Cloud director system pulls live video stream from content providing server；The backup video flowing of recording system push is received by LAN；Wherein, recording system obtains the live video stream from the content providing server, records into the backup video flowing；It is abnormal to determine that the live live video stream occurs；Carried out using the backup video flowing live.The present invention can be live while, the live video stream is obtained from the content providing server by recording system, record into the backup video flowing, when there is a card when exception in live video stream, it can be rapidly switched to alternate video stream, ensure that programme televised live normally plays glibly, will not interrupt.
Description
Technical field
The present invention relates to video processing technique, especially a kind of net cast method, system and terminal device.
Background technology
In the live field of more seats in the plane, hardware instructor in broadcasting platform or instructor in broadcasting's software will be generally used to carry out more seat in the plane pictures
Switching, more and more obvious with the advantage such as powerful, free of cloud instructor in broadcasting, the people used is also more and more.Existing multimachine
The live of position generally all ensures that programme televised live carries out glibly without spare video source.If instructor in broadcasting's software background server
The abnormal conditions that either fluctuation occurs disconnecting in network can then cause the video on instructor in broadcasting's software interim card or blank screen occur, disturb
Live is normally carried out.
The content of the invention
The purpose of the present invention aim to solve the problem that it is live during because caused by lacking alternate video live picture interim card or black
The problems such as screen.
The present invention provides a kind of net cast method, including：
Cloud director system pulls live video stream from content providing server；
The backup video flowing of recording system push is received by LAN；Wherein, recording system provides clothes from the content
Business device obtains the live video stream, records into the backup video flowing；
It is abnormal to determine that the live live video stream occurs；
Carried out using the backup video flowing live.
Preferably, the live video stream is multidigit machine live video stream more than two-way；
The backup video flowing is multidigit more than two-way corresponding with multidigit machine the live video stream more than two-way
Machine backup video flowing.
Further, it is described live using backup video flowing progress, including：
According to multidigit machine backup the video flowing more than two-way, video flowing all the way is produced, to described in direct broadcast band transmission
Video flowing all the way.
Further, the multidigit machine backup video flowing according to more than the two-way, produces video flowing all the way, including：
In multidigit machine backup video flowing more than from the two-way, wherein video flowing all the way is chosen；Or
In multidigit machine backup video flowing more than from the two-way, if by the multidigit machine backup video flowing synthesis on main line all the way
Video flowing.
Preferably, it is described to determine that exception occurs in the live live video stream, it is live using backup video flowing progress,
Including：
Determine the multidigit machine live video stream all the way above in multidigit machine the live video stream more than live two-way
There is exception, regarded using the multidigit machine backup corresponding with abnormal multidigit machine live video stream of normal multidigit machine live video stream
Frequency stream carries out live；Or
Determine the multidigit machine live video stream all the way above in multidigit machine the live video stream more than live two-way
There is exception, carried out using multidigit machine backup the video flowing more than two-way live.
Further, it is described to use normal multidigit machine live video stream and the multidigit machine live video stream pair of every road exception
The multidigit machine backup video flowing progress answered is live, including；
From multidigit machine live video stream and multidigit machine backup video flowing, if choosing video flowing or regarding main line all the way
Frequency stream synthesizes video flowing all the way；To direct broadcast band send described in video flowing all the way；
It is described live using multidigit machine backup video flowing the progress more than two-way, including：
In multidigit machine backup video flowing more than from the two-way, if choosing wherein video flowing or regarding main line all the way
Frequency stream synthesizes video flowing all the way；To direct broadcast band send described in video flowing all the way.
Further, in multidigit machine the live video stream more than two-way, wherein being main screen live video stream all the way；
It is abnormal to determine that the live live video stream occurs, it is live using backup video flowing progress, including：
Determine the multidigit machine live video stream all the way above in multidigit machine the live video stream more than live two-way
There is exception, judge whether main screen live video stream is normal；
It is if so, standby using normal multidigit machine live video stream multidigit machine corresponding with abnormal multidigit machine live video stream
Part video flowing carries out live；
Otherwise, carried out using multidigit machine backup the video flowing more than two-way live.
Further, it is described corresponding with abnormal multidigit machine live video stream using normal multidigit machine live video stream
After the progress of multidigit machine backup video flowing is live, further include：
Detect except it is described all the way more than multidigit machine live video stream occur it is abnormal in addition to, other multidigit machines at least all the way
There is exception in live video stream, is carried out using multidigit machine backup the video flowing more than two-way live；Or
Detect that the multidigit machine live video stream all the way above recovers normal, it is live using normal whole multidigit machines
Video flowing multidigit machine backup video flowing corresponding with abnormal multidigit machine live video stream carries out live.
Further, it is described corresponding with abnormal multidigit machine live video stream using normal multidigit machine live video stream
After the progress of multidigit machine backup video flowing is live, further include：
Detect except it is described all the way more than multidigit machine live video stream occur it is abnormal in addition to, multidigit machine at least all the way is live
Video flowing occurs abnormal；
The current way for abnormal multidigit machine live video stream occur is calculated in total way of multidigit machine live video stream
Accounting, judge whether the accounting is more than preset value,
If so, carried out using multidigit machine backup the video flowing more than two-way live；
Otherwise, the most long abnormal time for abnormal multidigit machine live video stream occur is calculated, described in judgement during most long exception
Between whether be more than preset time period, if so, using it is more than the two-way multidigit machine backup video flowing carry out it is live；Otherwise using just
Normal whole multidigit machine live video streams multidigit machine backup video flowing corresponding with abnormal multidigit machine live video stream carries out straight
Broadcast.
Further, it is described corresponding with abnormal multidigit machine live video stream using normal multidigit machine live video stream
After the progress of multidigit machine backup video flowing is live, further include：
Detect in the multidigit machine live video stream all the way above, multidigit machine live video stream at least all the way recovers
Normally；
The current way for abnormal multidigit machine live video stream occur is calculated in total way of multidigit machine live video stream
Accounting, judge whether the accounting is more than preset value；
If so, carried out using multidigit machine backup the video flowing more than two-way live；
Otherwise, the most long abnormal time for abnormal multidigit machine live video stream occur is calculated, described in judgement during most long exception
Between whether be more than preset time period, if so, using it is more than the two-way multidigit machine backup video flowing carry out it is live；Otherwise using just
Normal whole multidigit machine live video streams multidigit machine backup video flowing corresponding with abnormal multidigit machine live video stream carries out straight
Broadcast.
Preferably, it is described to determine that exception occurs in the live live video stream, including：
Detect that video flowing is interrupted in the live live video stream；Or
Broadcasting pictures interim card is detected in the live live video stream.
The present invention also proposes a kind of net cast method, including：
Cloud director system pulls live video stream from content providing server；
Recording system obtains the live video stream from the content providing server, and live video stream is recorded into backup
Video flowing；The backup video flowing is pushed to the cloud director system by LAN；
Cloud director system receives the backup video flowing of recording system push by LAN；Determine the live live video
Outflow is existing abnormal, is carried out using the backup video flowing live.
The present invention also proposes a kind of video living transmission system, including：
Draw flow module：For cloud director system live video stream is pulled from content providing server；
Plug-flow module：For receiving the backup video flowing of recording system push by LAN；Wherein, recording system is from institute
State content providing server and obtain the live video stream, record into the backup video flowing；
Judgment module：For determining that it is abnormal that the live live video stream occurs；
Live module：It is live for being carried out using the backup video flowing.
The present invention also proposes a kind of terminal device, including memory, processor and storage on a memory and can handled
The computer program run on device；When the processor performs the computer program, regarding described in foregoing any one is realized
Frequency live broadcasting method.
Beneficial effects of the present invention are as follows：
1st, net cast method of the invention can be live while, by recording system from the content providing server
The live video stream is obtained, records into the backup video flowing, can be fast when live video stream a card occurs when exception
Speed switches to alternate video stream, ensures that programme televised live normally plays glibly, will not interrupt.
2nd, when live video stream is multichannel, recording system can record multichannel backup video corresponding with live video stream
Stream, to replace the live video stream of any exception all the way；The raw video flowing all the way of the invention that can also be miscarried according to multichannel alternate video,
Further to reduce the size of alternate video flow data, avoid because data transmission network impacts live picture, lifting is straight
Broadcast the fluency of picture.
3rd, the present invention can according to the way of abnormal multidigit machine live video stream multidigit machine live video stream total way
In accounting, and the most long abnormal time of abnormal multidigit machine live video stream, judging whether need to be by all live video
Stream replaces with backup video flowing, to avoid the frequent switching between live video stream and alternate video stream.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the flow diagram of the method first embodiment of the present invention；
Fig. 2 is the flow diagram of the method fourth embodiment of the present invention；
Fig. 3 is the flow diagram of another embodiment of method of the present invention；
Fig. 4 is the embodiment schematic diagram of terminal device of the present invention.
Embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or has the function of same or like element.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that what is used in the specification of the present invention arranges
Diction " comprising " refer to there are the feature, integer, step, operation, element and/or component, but it is not excluded that in the presence of or addition
One or more other features, integer, step, operation, element, component and/or their groups.It should be understood that when we claim member
Part is " connected " or during " coupled " to another element, it can be directly connected or coupled to other elements, or there may also be
Intermediary element.In addition, " connection " used herein or " coupling " can include wireless connection or wireless coupling.It is used herein to arrange
Taking leave "and/or" includes whole or any cell and all combinations of one or more associated list items.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology), there is the meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have with the context of the prior art
The consistent meaning of meaning, and unless by specific definitions as here, idealization or the implication of overly formal otherwise will not be used
To explain.
The present invention proposes a kind of net cast method, and first embodiment as shown in Figure 1, specifically comprises the following steps：
Step S10：Cloud director system pulls live video stream from content providing server；
The content providing server may include the hardware devices such as the mobile phone for being connected to ... through the network this terminal, what it was provided
Content may include that picture, video being stored on the hardware device etc., or hardware device are shot immediately by camera
Or the picture or video recorded；The content providing server may also include this terminal, its content provided is deposited by this terminal
Storage or the content read, such as text document, ppt files, video or picture in this terminal, can also read direct with this terminal
File for gathering or storing in the local device of connection etc., such as read the camera being connected with this terminal, microphone, positioning
The contents such as video, audio or the location information of the equipment instantaneous acquiring such as device；The content providing server may also include network
Server, such as game server, machine server of taking photo by plane, automatic monitored control system server etc..It is predeterminable in cloud director system
Pull the relevant information of the content providing server, such as the knowledge of local camera identification id, the mobile phone being connected with this terminal
The live address etc. of other ID, game server；Also can be when needing live, directly in specified live content in cloud director system
Access address, to obtain live content from the address.
Cloud director system can pull live video stream from the content providing server, also can be from content server to cloud
Director system pushes live video stream；Control is with saving Internet resources for the convenience of the user, and cloud director system is based on pulling.When interior
When appearance offer server is the webserver, the network address for pulling live video stream can be pre-stored in cloud director system,
Again by RTMP agreements, live video stream is pulled live in cloud director system.
Step S20：The backup video flowing of recording system push is received by LAN；Wherein, recording system is from described interior
Hold and provide server acquisition the live video stream, record into the backup video flowing；
Recording system and cloud director system can be to be arranged at distinct device in same LAN, or same equipment；Can
Connect in the relevant information that the content providing server is preset in recording system, such as local camera identification id and this terminal
The identification id of the mobile phone connect, live address of game server etc., can also put forward the content defaulted in cloud director system
Recording system is synchronized to for the relevant information of server, so that recording system can be from described in content providing server acquisition
Live video stream.When recording into the backup video flowing, screen shot corresponding with live video stream can be intercepted and obtain this end
Hold the audio-frequency information of sound card, synthetic backup video flowing；The picture of the backup video flowing can be with the picture of the live video stream
When unanimously, so that cloud director system is using backup video flowing, the viewing of terminal user is not interfered with, keeps the uniformity of picture；
Frame number made of its sectional drawing can be less slightly with live video stream, so as to which in live exception, net can be saved by backing up video flowing
Network flow, improves the fluency of broadcasting, alleviates a card problem caused by network congestion；The sectional drawing can retention time mark,
The backup video flowing is used so that cloud director system temporally marks to read at any time, avoids redirecting or again for live video picture
Broadcast.The audio-frequency information of described terminal sound card can include the voice messaging of user, also may include the content providing server
Sound in the live content of offer.
Can be actively by the backup pushing video streaming made to cloud director system, in case cloud instructor in broadcasting is in the recording system
System is read at any time；The push address of the recording system is the plug-flow address of the predetermined LAN, can be pre-stored in recording system
In system, also it is pre-stored in the cloud director system.The LAN can ensure the efficiency of data transfer, avoid network reason can not
The problem of reading backup video flowing, it is ensured that cloud director system when needed, can get backup video flowing as early as possible.
Step S30：It is abnormal to determine that the live live video stream occurs；
The exception may include：Detect that video flowing is interrupted in the live live video stream, or, live described straight
Broadcasting pictures interim card is detected when broadcasting video flowing.When the live video stream of cloud director system regards for multidigit machine more than two-way is live
When frequency flows, the exception can be that wherein exception occurs in one or more video flowing.
Step S40：Carried out using the backup video flowing live.
When the live video stream occurs abnormal, cloud director system reads backup from the plug-flow address of the LAN
Video flowing, to be pushed to live picture；Due to backup video flowing for recording system from the content providing server to prestore
The live video stream of acquisition is made, therefore can ensure that backup video flowing is consistent with the picture of live video stream；And when backup video flowing
When being made of the sectional drawing in live video stream, the frame number and image sharpness of backup video flowing are can control, when the network of this terminal
When bad, the size of backup video flowing is can control, to be further ensured that live be normally carried out；When the exception is gathered around by non-network
When plug reason causes, the image quality of backup video flowing can be also improved.The image quality of backup video flowing can be by this terminal user
Pre-set, also can be by system according to Network status Auto-matching.
The net cast method of the present invention can create alternate video stream live while, when live video stream interrupts
Or picture card can be rapidly switched to alternate video stream when exception is live, to ensure that programme televised live normally plays glibly,
It will not interrupt.
The live video stream can be video flowing all the way, also can be multi-path video stream, such as during live game, can only have
The video flowing of game replaying picture all the way, can also increase the video flowing for including game player's live video.Therefore the of the present invention
In two embodiments, the live video can be multidigit machine live video stream more than two-way；The backup video flowing be with it is described
Multidigit machine backup the video flowing more than corresponding two-way of multidigit machine live video stream more than two-way, to ensure to regard per live all the way
When frequency flows out existing abnormal, all with alternate video stream.
According to above second embodiment, the present invention also proposes a kind of 3rd embodiment for including multichannel live video stream, institute
State and use backup video flowing progress live, including：
According to multidigit machine backup the video flowing more than two-way, video flowing all the way is produced, to described in direct broadcast band transmission
Video flowing all the way.
It is comprised the following steps that：
Step S11：Cloud director system pulls live video stream from content providing server, and the live video stream is two-way
Multidigit machine live video stream above；
Step S21：The backup video flowing of recording system push is received by LAN；Wherein, recording system is from described interior
Hold and provide server acquisition the live video stream, record into the backup video flowing；The backup video flowing be and described two
Multidigit machine backup the video flowing more than corresponding two-way of multidigit machine live video stream more than road；
Step S30：It is abnormal to determine that the live live video stream occurs；
Step S41：According to multidigit machine backup the video flowing more than two-way, video flowing all the way is produced, to direct broadcast band
Video flowing all the way described in sending.
There is exception in the live video stream, can be that the appearance of live video stream all the way in multidigit machine live video stream is different
Often, it also can be that wherein several roads exception occur, also can be that whole live video streams exception occur.When exception occurs in live video stream
When, can be by backup video stream corresponding with there is abnormal live video stream in more seat in the plane backup video flowings to live frequency
Road；Also video flowing all the way is merged into after backup video flowing can be handled, or only chooses and wherein backs up video stream all the way
To direct broadcast band, to reduce network traffics, avoid as far as possible because network traffics failure is on influencing caused by live.
Therefore in above 3rd embodiment, the multidigit machine backup video flowing according to more than the two-way, produces all the way
Video flowing, can include：
In multidigit machine backup video flowing more than from the two-way, wherein video flowing all the way is chosen；Or
In multidigit machine backup video flowing more than from the two-way, if by the multidigit machine backup video flowing synthesis on main line all the way
Video flowing.
Based on above second embodiment, the present invention also proposes fourth embodiment, as shown in Figure 2：It is described definite live described
There is exception in live video stream, live using backup video flowing progress, further includes：
Step S31：Determine that the multidigit machine all the way above in multidigit machine the live video stream more than live two-way is straight
When broadcasting video flowing appearance exception, step S42 or step S43 is performed；
Step S42：Use normal multidigit machine live video stream multidigit corresponding with abnormal multidigit machine live video stream
Machine backup video flowing carries out live；Or
Step S43：Determine that the multidigit machine all the way above in multidigit machine the live video stream more than live two-way is straight
Broadcast video flowing and exception occur, carried out using multidigit machine backup the video flowing more than two-way live.
When backup video flowing by recording system sectional drawing record form or record otherwise into when, due to record be
The reasons such as system data processing, may cause on the video pictures of backup video flowing and the video pictures existence time of live video stream
Hysteresis, i.e., the information such as audio, action in backup video flowing picture somewhat lags behind the picture in live video stream；Moreover,
Again the backup video flowing recorded may cause image quality and audio matter due to being handled picture data and voice data
Measure distortion or variation.In step S42, when part live video stream is normal, it can continue to use live video stream, only will be another
The abnormal live video stream in part replaces with corresponding backup video flowing, it is ensured that and the quality of the live picture in part is more excellent, but by
It is live video stream in the partial video picture of transmission to direct broadcast band, another part is backup video flowing, and two kinds of video flowings can
Can there are audio or action on lag issues；There are during lag issues, live video stream and backup video flowing can be subjected to picture
Middle to draw synthesis, the key frame of picture-in-picture is live video stream, and other pictures are backup video flowing, to alleviate the picture of live video stream
The problem of result of broadcast caused by face is asynchronous with the picture of backup video flowing is bad.In step S43, all regarded using backup
Frequency stream carry out it is live, can also solve the picture lag issues of live video stream and backup video flowing, make it is live in audio-frequency information
It is synchronous with action message holding.
Based on fourth embodiment, the normal multidigit machine live video stream of use in the step S42 and the exception per road
The corresponding multidigit machine backup video flowing progress of multidigit machine live video stream is live, can further comprise；
From multidigit machine live video stream and multidigit machine backup video flowing, if choosing video flowing or regarding main line all the way
Frequency stream synthesizes video flowing all the way；To direct broadcast band send described in video flowing all the way；
Multidigit machine backup video flowing progress described in use in the step S43 more than two-way is live, can further wrap
Include：
In multidigit machine backup video flowing more than from the two-way, if choosing wherein video flowing or regarding main line all the way
Frequency stream synthesizes video flowing all the way；To direct broadcast band send described in video flowing all the way.
The multi-path video stream exported in fourth embodiment is synthesized video flowing all the way by the embodiment, to reduce live broadcast system
Requirement to network state, when live video stream occurs abnormal, can improve the fluency of live video broadcasting.
Based on fourth embodiment, when live picture has picture-in-picture mode, the present invention also proposes the 5th embodiment：If institute
State in multidigit machine live video stream more than two-way, wherein when being main screen live video stream all the way,
It is described to determine that exception occurs in the live live video stream, it is live using backup video flowing progress, including：
Step S44：Determine that the multidigit machine all the way above in multidigit machine the live video stream more than live two-way is straight
Broadcast video flowing and exception occur, judge whether main screen live video stream is normal；If so, step S45 is then performed, if it is not, then performing step
Rapid S46；
Step S45：It is if so, corresponding with abnormal multidigit machine live video stream using normal multidigit machine live video stream
Multidigit machine backup video flowing carries out live；
Step S46：Otherwise, carried out using multidigit machine backup the video flowing more than two-way live.
The main screen live video stream is the video flowing corresponding to the main screen in picture-in-picture mode.As described above, backup regards
The picture of frequency stream may somewhat lag behind the picture of live video stream, therefore when main screen live video stream occurs abnormal, if main screen
Live video stream is had certain delay, may be caused poor using the backup video flowing lagged, the more other video flowings of its picture
User experience；Therefore the abnormal judgment step of this fifth embodiment increase main screen live video stream：If main screen live video picture does not have
There is exception, other live video streams use corresponding backup video flowing, even if the corresponding broadcasting pictures of other live video streams are slightly
There is delay, will not also cause very poor user experience；And when main screen live video stream occurs abnormal, to avoid the picture of main screen
Hysteresis, then replace with corresponding backup video flowing, so that the live picture of main screen by all live video streams including main screen
Face and the live picture of other screens are consistent.
After if exception occurs in the main line video flowing in the live video stream, can be replaced using corresponding with backup video flowing
Change abnormal live video stream；After replacing it, if continuing abnormal live video occur again in remaining normal live video stream
Stream, or abnormal live video stream recover normally again, then the present invention is based on fourth embodiment, it is also proposed that another embodiment：
It is described to use normal multidigit machine live video stream multidigit machine backup video flowing corresponding with abnormal multidigit machine live video stream
Carry out it is live after, further include：
Step S51：Detect except it is described all the way more than multidigit machine live video stream occur it is abnormal in addition to, at least all the way its
There is exception in its multidigit machine live video stream, is carried out using multidigit machine backup the video flowing more than two-way live；Or
Step S52：Detect that the multidigit machine live video stream all the way above recovers normal, it is more using normal whole
Machine live video stream multidigit machine backup video flowing corresponding with abnormal multidigit machine live video stream in position carries out live.
When continuing to occur abnormal live video stream again in remaining normal live video stream, the step S51 is then by institute
There is live video stream to replace with backup video flowing, to keep live smoothness；When abnormal live video stream recovers normal again,
Normal live video stream will then be recovered and replace corresponding backup video flowing, to improve live image quality；When all exceptions
Live video stream recover it is normal when, then live video flowing is live video stream, and recording system continues to record the backup
Video flowing, and backup video stream is spare to predetermined lan address.
When multichannel live video stream occurs abnormal, abnormal live video stream can be only replaced, also replaceable whole is straight
Video flowing is broadcast, to keep the overall flow of live picture.The present invention is based on fourth embodiment, it is further proposed that following embodiments：
Normal multidigit machine live video stream multidigit machine backup video corresponding with abnormal multidigit machine live video stream is used described
After stream progress is live, further include：
Step S53：Detect except it is described all the way more than multidigit machine live video stream occur it is abnormal in addition to, at least all the way more
Position machine live video stream occurs abnormal；
The current way for abnormal multidigit machine live video stream occur is calculated in total way of multidigit machine live video stream
Accounting, judge whether the accounting is more than preset value, if so, step S54 is then performed, if it is not, then performing step S55；
Step S54：If so, carried out using multidigit machine backup the video flowing more than two-way live；
Step S55：Otherwise, calculate the most long abnormal time for abnormal multidigit machine live video stream occur, judge described in most
Whether long abnormal time is more than preset time period, if so, being carried out using multidigit machine backup the video flowing more than two-way live；It is no
Then using normal whole multidigit machine live video streams multidigit machine backup video corresponding with the multidigit machine live video stream of exception
Stream carries out live.
In the present embodiment, if the way of abnormal multidigit machine live video stream exceedes certain ratio, live regard is illustrated
The failure of frequency stream is more, and the background system of live video stream is likely to occur failure, and cloud director system can will use whole backups
Video flowing carries out live, the failure such as the splashette brought to avoid frequent switching video flowing or delay；If abnormal multidigit machine is live
The way of video flowing is not above certain ratio, but abnormal duration is longer, illustrates that the background system of live video stream may
Break down, can also use whole backup video flowings to carry out live；Only when the accounting of abnormal live video stream is small, failure when
Length, is just carried out at the same time live using normal live video stream with backup video flowing, is regarded to avoid live video stream and backup
The picture that frequent switching between frequency stream is brought is stagnated or scintillation.
Based on fourth embodiment, the present invention is also proposed when abnormal live video stream gradually recovers normal another implementation
Example：It is described to use normal multidigit machine live video stream multidigit machine backup video corresponding with abnormal multidigit machine live video stream
After stream progress is live, further include：
Step S56：Detect it is described all the way more than multidigit machine live video stream in, multidigit machine at least all the way is live to be regarded
Frequency stream recovers normal；
Step S57：The current way for abnormal multidigit machine live video stream occur is calculated in multidigit machine live video stream
Accounting in total way, judges whether the accounting is more than preset value；If so, step S58 is then performed, if it is not, then performing step
S59；
Step S58：If so, carried out using multidigit machine backup the video flowing more than two-way live；
Step S59：Otherwise, calculate the most long abnormal time for abnormal multidigit machine live video stream occur, judge described in most
Whether long abnormal time is more than preset time period, if so, being carried out using multidigit machine backup the video flowing more than two-way live；It is no
Then using normal whole multidigit machine live video streams multidigit machine backup video corresponding with the multidigit machine live video stream of exception
Stream carries out live.
In the present embodiment, when it is described it is abnormal all the way more than multidigit machine live video stream in one or more recovery just
Chang Shi, the currently transmitted video flowing to direct broadcast band can be that normal live video stream and abnormal live video stream are corresponding standby
Part video flowing, or all backup video flowings；Whether the backup video flowing in current state is switched to and recovers normal
Live video stream, or live video stream is switched to backup video flowing, depending on current abnormal multidigit machine live video stream
Accounting of the way in total road；After in part, abnormal live video stream recovers normal, if abnormal live video stream accounts for
Than the preset value still above accounting or most long abnormal time still above preset time period, then by current multidigit machine live video stream
Multidigit machine backup video flowing corresponding with abnormal multidigit machine live video stream carries out live state and is switched to all videos stream
For the state of backup video flowing；When the accounting of abnormal live video stream is not more than the preset value of accounting, and most long abnormal time
No more than preset time period, then backup video flowing is replaced with into the corresponding normal live video stream of recovery, use normal whole
Multidigit machine live video stream multidigit machine backup video flowing corresponding with abnormal multidigit machine live video stream carries out live.In multichannel
In the case of live video stream state labile, the present embodiment can avoid the frequent switching of video flowing, live picture is kept steady
It is fixed.
The present invention also proposes the embodiment of another net cast method, as shown in figure 3, including the following steps：
S1：Cloud director system pulls live video stream from content providing server；
S2：Recording system obtains the live video stream from the content providing server, live video stream record into
Backup video flowing；The backup video flowing is pushed to the cloud director system by LAN；
S3：Cloud director system receives the backup video flowing of recording system push by LAN；Determine live described live
There is exception in video flowing, is carried out using the backup video flowing live.
The present embodiment is recorded the video flowing on content providing server into backup video flowing by recording system, and is pushed
To the cloud director system of same LAN, so that cloud director system is when live video stream breaks down, backup video flowing is used
Play out, be not in interruption or the Caton phenomenon of video pictures so as to ensure the fluency of live picture.
The present invention also proposes a kind of video living transmission system, including：
Draw flow module：For cloud director system live video stream is pulled from content providing server；
Plug-flow module：For receiving the backup video flowing of recording system push by LAN；Wherein, recording system is from institute
State content providing server and obtain the live video stream, record into the backup video flowing；
Judgment module：For determining that it is abnormal that the live live video stream occurs；
Live module：It is live for being carried out using the backup video flowing.
The present invention also proposes a kind of terminal device, as shown in figure 4, including memory, processor and storage on a memory
And the computer program that can be run on a processor；When the processor performs the computer program, realize foregoing any one
Net cast method described in.
The part-structure block diagram of terminal device of the present invention is illustrated in figure 4, for convenience of description, illustrate only and this
The relevant part of inventive embodiments.The terminal device can be to include mobile phone, tablet computer, laptop, desktop computer
Etc. the terminal device that may be viewed by programme televised live.Illustrate the working method of terminal device of the present invention by taking desktop computer as an example below.
With reference to figure 3, desktop computer includes the components such as processor, memory, input unit, display unit.Art technology
Personnel are appreciated that the desktop computer structure shown in Fig. 4 does not form the restriction to all desktop computers, can include than figure
Show more or fewer components, or some components of combination.Memory can be used for storage computer program and each function module,
Processor is stored in the computer program of memory by operation, so as to perform the various function application and data of desktop computer
Processing.Memory can mainly include storing program area and storage data field, wherein, storing program area can storage program area, extremely
Application program (such as direct broadcast function) needed for a few function etc.；Storage data field can be stored uses institute according to desktop computer
Data (such as live data etc.) of establishment etc..In addition, memory can include high-speed random access memory, can also include
Nonvolatile memory, for example, at least a disk memory, flush memory device or other volatile solid-state parts.
Input unit can be used for receiving instruction input by user, and produce the user setting and function with desktop computer
Related signal is controlled to input.Specifically, input unit may include contact panel and other input equipments.Contact panel can be received
Collect user on it or neighbouring touch operation (for example user is being touched using any suitable object or annex such as finger, stylus
Control on panel or the operation near contact panel), and according to the corresponding attachment device of driven by program set in advance；It is other defeated
Enter equipment and can include but is not limited to physical keyboard, function key (for example playing control button, switch key etc.), trace ball, mouse
One or more in mark, operation lever etc..Display unit can be used for showing information input by user or be supplied to the information of user
And the various menus of desktop computer.Display unit can use the forms such as liquid crystal display, Organic Light Emitting Diode.Processor is
The control centre of desktop computer, using the various pieces of various interfaces and the whole computer of connection, is deposited by running or performing
Software program and/or module in memory are stored up, and calls the data being stored in memory, performs various functions and locates
Manage data.
In embodiments of the present invention, the processor included by the terminal device also has following functions：
Cloud director system pulls live video stream from content providing server；
The backup video flowing of recording system push is received by LAN；Wherein, recording system provides clothes from the content
Business device obtains the live video stream, records into the backup video flowing；
It is abnormal to determine that the live live video stream occurs；
Carried out using the backup video flowing live.
Processor included by the terminal device also has following functions：
Cloud director system pulls live video stream from content providing server；
Recording system obtains the live video stream from the content providing server, and live video stream is recorded into backup
Video flowing；The backup video flowing is pushed to the cloud director system by LAN；
Cloud director system receives the backup video flowing of recording system push by LAN；Determine the live live video
Outflow is existing abnormal, is carried out using the backup video flowing live.
In addition, each module in each embodiment of the present invention can be integrated in a processing module or each
A unit is individually physically present, can also two or more units be integrated in a module.Above-mentioned integrated module was both
It can be realized, can also be realized in the form of software function module in the form of hardware.If the integrated module with
The form of software function module realize and be used as independent production marketing or in use, can also be stored in one it is computer-readable
Take in storage medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..
The above is only some embodiments of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
- A kind of 1. net cast method, it is characterised in that including：Cloud director system pulls live video stream from content providing server；The backup video flowing of recording system push is received by LAN；Wherein, recording system is from the content providing server The live video stream is obtained, records into the backup video flowing；It is abnormal to determine that the live live video stream occurs；Carried out using the backup video flowing live.
- 2. net cast method according to claim 1, it is characterised in that the live video stream is more than two-way more Position machine live video stream；The backup video flowing is standby for multidigit machine more than two-way corresponding with multidigit machine the live video stream more than two-way Part video flowing.
- 3. net cast method according to claim 2, it is characterised in that described to be carried out directly using the backup video flowing Broadcast, including：According to multidigit machine backup the video flowing more than two-way, produce video flowing all the way, to direct broadcast band send described in all the way Video flowing.
- 4. net cast method according to claim 2, it is characterised in that described to determine the live live video outflow It is now abnormal, it is live using backup video flowing progress, including：Determine that the multidigit machine live video stream all the way above in multidigit machine the live video stream more than live two-way occurs It is abnormal, use normal multidigit machine live video stream multidigit machine backup video flowing corresponding with abnormal multidigit machine live video stream Carry out live；OrDetermine that the multidigit machine live video stream all the way above in multidigit machine the live video stream more than live two-way occurs It is abnormal, carried out using multidigit machine backup the video flowing more than two-way live.
- 5. net cast method according to claim 4, it is characterised in that multidigit machine the live video more than two-way In stream, wherein being main screen live video stream all the way；It is abnormal to determine that the live live video stream occurs, it is live using backup video flowing progress, including：Determine that the multidigit machine live video stream all the way above in multidigit machine the live video stream more than live two-way occurs It is abnormal, judge whether main screen live video stream is normal；If so, regarded using the multidigit machine backup corresponding with abnormal multidigit machine live video stream of normal multidigit machine live video stream Frequency stream carries out live；Otherwise, carried out using multidigit machine backup the video flowing more than two-way live.
- 6. net cast method according to claim 4, it is characterised in that described to use normal multidigit machine live video After stream multidigit machine backup video flowing progress corresponding with abnormal multidigit machine live video stream is live, further include：Detect except it is described all the way more than multidigit machine live video stream occur it is abnormal in addition to, other multidigit machines at least all the way are live There is exception in video flowing, is carried out using multidigit machine backup the video flowing more than two-way live；OrDetect that the multidigit machine live video stream all the way above recovers normal, use normal whole multidigit machine live videos It is live to flow multidigit machine backup video flowing progress corresponding with abnormal multidigit machine live video stream.
- 7. net cast method according to claim 4, it is characterised in that described to use normal multidigit machine live video After stream multidigit machine backup video flowing progress corresponding with abnormal multidigit machine live video stream is live, further include：Detect in the multidigit machine live video stream all the way above, multidigit machine live video stream at least all the way recovers just Often；Calculate current way the accounting in total way of multidigit machine live video stream for abnormal multidigit machine live video stream occur Than judging whether the accounting is more than preset value；If so, carried out using multidigit machine backup the video flowing more than two-way live；Otherwise, the most long abnormal time for abnormal multidigit machine live video stream occur is calculated, most long abnormal time described in judgement is It is no to be more than preset time period, if so, being carried out using multidigit machine backup the video flowing more than two-way live；Otherwise using normal Whole multidigit machine live video streams multidigit machine backup video flowing corresponding with abnormal multidigit machine live video stream carries out live.
- A kind of 8. net cast method, it is characterised in that including：Cloud director system pulls live video stream from content providing server；Recording system obtains the live video stream from the content providing server, and live video stream is recorded into backup video Stream；The backup video flowing is pushed to the cloud director system by LAN；Cloud director system receives the backup video flowing of recording system push by LAN；Determine the live live video outflow It is now abnormal, carried out using the backup video flowing live.
- A kind of 9. video living transmission system, it is characterised in that including：Draw flow module：For cloud director system live video stream is pulled from content providing server；Plug-flow module：For receiving the backup video flowing of recording system push by LAN；Wherein, recording system is from described interior Hold and provide server acquisition the live video stream, record into the backup video flowing；Judgment module：For determining that it is abnormal that the live live video stream occurs；Live module：It is live for being carried out using the backup video flowing.
- 10. a kind of terminal device, including memory, processor and storage are on a memory and the calculating that can run on a processor Machine program；It is characterized in that, when the processor performs the computer program, realize described in claim 1 to 8 any one Net cast method.
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Application publication date: 20180508 Assignee: GUANGZHOU CUBESILI INFORMATION TECHNOLOGY Co.,Ltd. Assignor: GUANGZHOU HUADUO NETWORK TECHNOLOGY Co.,Ltd. Contract record no.: X2021440000030 Denomination of invention: Video live broadcast method, system and terminal equipment License type: Common License Record date: 20210125 |
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