CN104935955A - Live video stream transmission method, device and system - Google Patents
Live video stream transmission method, device and system Download PDFInfo
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- CN104935955A CN104935955A CN201510288995.0A CN201510288995A CN104935955A CN 104935955 A CN104935955 A CN 104935955A CN 201510288995 A CN201510288995 A CN 201510288995A CN 104935955 A CN104935955 A CN 104935955A
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- live video
- video stream
- sharpness information
- target
- transcoding
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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
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
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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
- H04N21/25—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
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
- H04N21/26216—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints involving the channel capacity, e.g. network bandwidth
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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
- H04N21/25—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
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
Abstract
The invention discloses a live video stream transmission method, device and system, and belongs to the technical field of internet. The method comprises the steps that a live broadcast request for a target live video transmitted by a terminal is received, and the live broadcast request carries first definition information; a first live video stream of the target live video outputted by a first transcoding machine corresponding to the first definition information is confirmed according to the pre-stored corresponding relation between the live video streams of the target live video outputted by different transcoding machines and the definition information; and the first live video stream is acquired, and the first live video stream is transmitted to the terminal so that the terminal is enabled to play the first live video stream; wherein the live video streams of the target live video outputted by different transcoding machines are different definitions of live video streams obtained by different transcoding machines through respective transcoding of the target live video. Information acquisition efficiency can be enhanced by adopting the live video stream transmission method.
Description
Technical field
The present invention relates to Internet technical field, particularly a kind of methods, devices and systems transmitting live video stream.
Background technology
Along with the development of network technology, the application of Internet video is more and more general, and corresponding internet video live broadcasting have also been obtained to be applied widely, such as, and the network direct broadcasting etc. of concert, competitive sports.
Existing network direct broadcasting technology is that the video SDI being received from satellite (Serial Digital Interface, digital component serial line interface) signal is carried out coding and obtains live video stream, and is transferred to terminal and shows.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
During the lower terminal plays live video of the network bandwidth, often occur playing not smooth, some frame in video can not normally obtain and show, and video content information lacks, thus, cause the efficiency of acquisition of information lower.
Summary of the invention
In order to solve the problem of prior art, embodiments provide a kind of methods, devices and systems transmitting live video stream.Described technical scheme is as follows:
First aspect, provide a kind of method transmitting live video stream, described method comprises:
The live request of the target live video that receiving terminal sends, carries the first sharpness information in live request;
The live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that the first sharpness information is corresponding;
Obtain the first live video stream, to terminal transmission first live video stream, to make terminal, the first live video stream is play;
Wherein, the live video stream of the target live video that different transcoding machines exports is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to target live video.
Second aspect, provide a kind of method transmitting live video stream, described method comprises:
The multiple sharpness information preset of display-object live video;
When receiving the selection instruction to the first sharpness information in multiple sharpness information, sending the live request of target live video to server, in live request, carrying the first sharpness information;
First live video stream of the target live video that the first sharpness information that reception server sends is corresponding, plays the first live video stream.
The third aspect, provides a kind of server, and described server comprises:
Receiver module, for the live request of the target live video that receiving terminal sends, carries the first sharpness information in live request;
Determination module, for the live video stream of target live video that exports according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that the first sharpness information is corresponding;
Acquisition module, for obtaining the first live video stream, to terminal transmission first live video stream, plays the first live video stream to make terminal;
Wherein, the live video stream of the target live video that different transcoding machines exports is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to target live video.
Fourth aspect, provides a kind of terminal, and described terminal comprises:
Display module, for the multiple sharpness information preset of display-object live video;
Sending module, for when receiving the selection instruction to the first sharpness information in multiple sharpness information, sending the live request of target live video, carrying the first sharpness information in live request to server;
Receiver module, the first live video stream of the target live video that the first sharpness information for reception server transmission is corresponding, plays the first live video stream.
5th aspect, provide a kind of system transmitting live video stream, described system comprises server and terminal, wherein:
Described server, for the live request of the target live video that receiving terminal sends, carries the first sharpness information in live request; The live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that the first sharpness information is corresponding; Obtain the first live video stream, to terminal transmission first live video stream, to make terminal, the first live video stream is play; Wherein, the live video stream of the target live video that different transcoding machines exports is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to target live video;
Described terminal, for the multiple sharpness information preset of display-object live video; When receiving the selection instruction to the first sharpness information in multiple sharpness information, sending the live request of target live video to server, in described live request, carrying the first sharpness information; First live video stream of the target live video that the first sharpness information that reception server sends is corresponding, plays the first live video stream.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
In the embodiment of the present invention, the live request of the target live video that receiving terminal sends, the first sharpness information is carried in live request, the live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that the first sharpness information is corresponding, wherein, the live video stream of the target live video that different transcoding machines exports, it is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to target live video, obtain the first live video stream, to terminal transmission first live video stream, to make terminal, the first live video stream is play.Like this, the live video stream of the target live video that different transcoding machines exports has different definition, the terminal of different network environments can according to the situation of the network bandwidth, play the video of the definition being applicable to current network bandwidth, to reduce the situation of the abnormal transmission of frame of video, reduce video content information disappearance, thus, the efficiency of acquisition of information can be improved.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of method flow diagram transmitting live video stream that the embodiment of the present invention provides;
Fig. 2 is a kind of method flow diagram transmitting live video stream that the embodiment of the present invention provides;
Fig. 3 is a kind of method flow diagram transmitting live video stream that the embodiment of the present invention provides;
Fig. 4 is a kind of system block diagram transmitting live video stream that the embodiment of the present invention provides;
Fig. 5 is a kind of system block diagram transmitting live video stream that the embodiment of the present invention provides;
Fig. 6 is the structural representation of the server that the embodiment of the present invention provides;
Fig. 7 is the structural representation of the terminal that the embodiment of the present invention provides;
Fig. 8 is the structural representation of the server that the embodiment of the present invention provides;
Fig. 9 is the structural representation of the terminal that the embodiment of the present invention provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment one
Embodiments provide a kind of method transmitting live video stream, the method can be realized jointly by server and terminal.
As shown in Figure 1, in the method, the handling process of server can comprise following step:
Step 101, the live request of the target live video that receiving terminal sends, carries the first sharpness information in live request.
Step 102, the live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that the first sharpness information is corresponding, wherein, the live video stream of the target live video that different transcoding machines exports is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to target live video.
Step 103, obtains the first live video stream, to terminal transmission first live video stream, plays the first live video stream to make terminal.
As shown in Figure 2, in the method, the handling process of terminal can comprise following step:
Step 201, the multiple sharpness information preset of display-object live video;
Step 202, when receiving the selection instruction to the first sharpness information in multiple sharpness information, sending the live request of target live video, carrying the first sharpness information in live request to server;
Step 203, the first live video stream of the target live video that the first sharpness information that reception server sends is corresponding, plays the first live video stream.
In the embodiment of the present invention, the live request of the target live video that receiving terminal sends, the first sharpness information is carried in live request, the live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that the first sharpness information is corresponding, wherein, the live video stream of the target live video that different transcoding machines exports, it is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to target live video, obtain the first live video stream, to terminal transmission first live video stream, to make terminal, the first live video stream is play.Like this, the live video stream of the target live video that different transcoding machines exports has different definition, the terminal of different network environments can according to the situation of the network bandwidth, play the video of the definition being applicable to current network bandwidth, to reduce the situation of the abnormal transmission of frame of video, reduce video content information disappearance, thus, the efficiency of acquisition of information can be improved.
Embodiment two
Embodiments provide a kind of method transmitting live video stream, the executive agent of the method is server and terminal.Wherein, server is used to the server that terminal provides live video stream, video server can be called, it can be an alone server, as CDN (Content Delivery Network, content distributing network) server, also can be the server group of multiple server composition, such as, server group can comprise the plurality of devices in the equipment such as CDN server, Distribute (transponder) and Livereceive (fluid receiver), configuration server, radial server, the flat server of frame.Terminal can be any terminal being connected to the Internet, the such as mobile terminal such as mobile phone, panel computer, can be provided with the application program of viewing live video in this terminal.In the present embodiment, take server as server group be example, carry out the detailed description of scheme, other situation is similar with it, and the present embodiment is not repeated.
Below in conjunction with embodiment, be described in detail the handling process shown in Fig. 3, content can be as follows:
Step 301, the multiple sharpness information preset of terminal demonstration target live video.
Wherein, target live video is the live video that user wants to watch, and such as, certain star just holds concert in somewhere, and the people of viewing concert of can not reaching the spot can watch the live video of concert by terminal.
In force, when user wants to watch certain live video (i.e. target live video), the application program of viewing live video can be opened in terminal, this live video is selected in the live video list of application program, terminal then can open the corresponding video playback interface of application program, and display resolution selection window, wherein can show multiple different sharpness information, such as, show the option that high definition, SD, pure audio (can think that pure audio is zero definition) etc. characterize definition.
Step 302, terminal, when receiving the selection instruction to the first sharpness information in multiple sharpness information, sends the live request of target live video, carries the first sharpness information in live request to server.
Wherein, the first sharpness information is that a kind of sharpness information being applicable to oneself network bandwidth selected in the multiple different sharpness information that user shows in broadcast interface.
In force, user can select applicable sharpness information according to the network bandwidth situation of oneself, when the network bandwidth is larger, higher sharpness information can be selected such as can to select high definition, when the network bandwidth is less, lower sharpness information can be selected such as can to select SD, for the live video of concert type, also can select pure audio.When user selects the first sharpness information in above-mentioned definition selection window, terminal will receive the selection instruction of user, then the live request of target live video is sent to radial server, after the live request that radial server receiving terminal sends, the server that can obtain target live video can be selected for terminal, obtain the address of this server, send to terminal and receive the response, wherein carry this address, terminal receives receiveing the response of radial server, the live request of target live video is sent to the server that can obtain target live video, wherein carry the first sharpness information that user selects.
Step 303, the live request of the target live video that server receiving terminal sends, carries the first sharpness information in live request.
In force, after what server receiving terminal sent carry the live request of the target live video of the first sharpness information that user selects, can resolve live request, obtain first sharpness information of wherein carrying.
Step 304, server, according to the live video stream of target live video of the different transcoding machine output prestored and the corresponding relation of sharpness information, determines the first live video stream of the target live video of the first transcoding machine output that the first sharpness information is corresponding; Wherein, the live video stream of the target live video that different transcoding machines exports is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to target live video.
Wherein, the first transcoding machine is aimed at the first sharpness information that user selects, and the first live video stream corresponding to the first sharpness information is obtained target live video transcoding by the first transcoding machine.
In force, server can be connected with multiple transcoding machine, multiple transcoding machine can be connected to again on a code machine, the input signal of code machine is the sdi signal (can think the uncoded original video stream of video) of the target live video of satellite transmission, code machine can be encoded to original video stream, as windows coding etc., the input signal of each transcoding machine is the live video stream through coding that exports of same code machine all for this reason, each transcoding machine can respectively based on different definition, transcoding is carried out to this live video stream through coding, obtain the live video stream of corresponding different sharpness information.The live video stream of target live video that different transcoding machines exports and the corresponding relation of sharpness information can prestore in the server, or this corresponding relation also can be stored in advance in other equipment, as being stored in one independently in configuration server.
After receiving live request, the first sharpness information that server is selected according to the user carried in the live request of the terminal transmission received, according to the above-mentioned corresponding relation prestored, the first live video stream of the target live video that the first corresponding transcoding machine exports can be determined, namely determine the live video stream corresponding to video of the first user-selected sharpness information.
Optionally, can use different terminal viewing target live videos to meet user, above-mentioned transcoding machine can be flv transcoding machine or hls transcoding machine.
Wherein, flv (Flash Video, stream media format) and hls (Hyper Text Transfer Protocol LiveStreaming, adaptive stream media) is two kinds of different video formats.Flv transcoding machine can export the live video stream of flv form, and hls transcoding machine can export the live video stream of hls form.
Optionally, a main transcoding machine and standby transcoding machine can be set respectively to each definition, accordingly, in the corresponding relation prestored, each sharpness information is to the live video stream of the target live video that a main transcoding machine should be had to export and a live video stream for the target live video of transcoding machine output, the processing procedure of corresponding step 304 can be as follows: the live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, and the transmission state of each main transcoding machine and standby transcoding machine, determine the first live video stream of the target live video of the first transcoding machine output that the first sharpness information is corresponding.
Wherein, main transcoding machine carries out transcoding to primary live video stream, and standby transcoding machine carries out transcoding to live video stream for subsequent use.
In force, for the sdi signal of the target live video of satellite transmission, can arrange two code machines, be respectively chief editor's ink recorder and standby code machine, the live video stream of two code machine outputs can respectively as primary live video stream and live video stream for subsequent use.Corresponding each definition is respectively arranged with a main transcoding machine and standby transcoding machine, and primary live video stream inputs each main transcoding machine respectively, and live video stream for subsequent use inputs each respectively for transcoding machine.Server, when main transcoding machine transmission state is normal, can select the live video stream that main transcoding machine exports, and when main transcoding machine transmission state is abnormal, can select the live video stream that standby transcoding machine exports.
Following present several concrete processing mode:
Processing mode one, this processing mode can for but be not limited to server group that above-mentioned server is multiple server composition and server group comprises the situation of fluid receiver, transponder and CDN server.
As shown in Figure 4, for each sharpness information, be all provided with a main transcoding machine and a standby transcoding machine.Primary live video stream inputs each main transcoding machine respectively, and live video stream for subsequent use inputs each respectively for transcoding machine, accesses fluid receiver by through each main transcoding machine and each for the live video stream after transcoding machine transcoding.For each sharpness information, fluid receiver can detect the live video stream whether abnormal (occurring than if any cutout) that main transcoding machine wherein exports, if not abnormal, then the live video that main transcoding machine exports can be streaming to transponder, if exist abnormal, then the live video that standby transcoding machine corresponding for this sharpness information can be exported is streaming to transponder.Now, in the live video stream of transponder input, corresponding each sharpness information, only comprise a live video stream, this live video stream can be the live video stream that main transcoding machine corresponding to this sharpness information exports, and also can be the live video stream of standby transcoding machine output corresponding to this sharpness information.
CDN server receive terminal send carry the playing request of the first clear information after, first sharpness information of carrying in the live request be resolved to is sent to transponder, transponder in all live video streams of its input, can determine the live video stream (i.e. above-mentioned first live video stream) of corresponding first sharpness information.
Processing mode two, this processing mode can for but be not limited to the situation that above-mentioned server is CDN server.
Primary live video stream inputs each main transcoding machine respectively, and live video stream for subsequent use inputs each respectively for transcoding machine, for each sharpness information, is all provided with a main transcoding machine and a standby transcoding machine.
As shown in Figure 5, CDN server receive terminal send carry the playing request of the first clear information after, resolve the first sharpness information wherein, its live video stream exported is obtained to the main transcoding machine that the first sharpness information is corresponding, and obtain its live video stream exported to the standby transcoding machine that the first sharpness information is corresponding, and then, the live video stream that the main transcoding machine wherein that can detect exports whether abnormal (such as detect and whether have cutout to occur), if not abnormal, then can determine that the live video stream that main transcoding machine exports is to be feedback to the live video stream (i.e. above-mentioned first live video stream) of terminal, if exist abnormal, then can determine that the live video stream that standby transcoding machine exports is to be feedback to the live video stream of terminal.
Step 305, server obtains the first live video stream, to terminal transmission first live video stream.
In force, for the situation of processing mode one, the first live video stream determined can be sent to CDN server by transponder, and then the first live video can be streaming to terminal by CDN server, carries out follow-up process to make terminal.For the situation of processing mode two, CDN server can obtain above-mentioned the first live video stream determined, and is transferred to terminal, carries out follow-up process to make terminal.
Step 306, the first live video stream of the target live video that the first sharpness information that terminal reception server sends is corresponding, plays the first live video stream.
In force, the first live video stream corresponding to the first sharpness information that user selects that terminal reception server sends, and play.
Optionally, can also recommend other live video, accordingly, handling process can be as follows: obtain the sectional drawing in other live video outside target live video; The sectional drawing of acquisition is sent to terminal.
In force, when user watches target live video, also there is other live video outside target live video in network side, can apply a live sectional drawing equipment and carry out sectional drawing every certain time length to the live video after code machine coding.Be the situation of the server group of multiple server composition for server, can comprise the flat server of frame in server group, the live sectional drawing got can be transferred to the flat server of frame by live sectional drawing equipment.When user is by terminal viewing target live video, the application program playing live video in terminal can obtain the sectional drawing of other live video outside target live video from the flat server of trend frame, and the region outside target live video play area shows the sectional drawing got.
In the embodiment of the present invention, the live request of the target live video that receiving terminal sends, the first sharpness information is carried in live request, the live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that the first sharpness information is corresponding, wherein, the live video stream of the target live video that different transcoding machines exports, it is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to target live video, obtain the first live video stream, to terminal transmission first live video stream, to make terminal, the first live video stream is play.Like this, the live video stream of the target live video that different transcoding machines exports has different definition, the terminal of different network environments can according to the situation of the network bandwidth, play the video of the definition being applicable to current network bandwidth, to reduce the situation of the abnormal transmission of frame of video, reduce video content information disappearance, thus, the efficiency of acquisition of information can be improved.
Embodiment three
Based on identical technical conceive, the embodiment of the present invention additionally provides a kind of server, and as shown in Figure 6, described server comprises:
Receiver module 610, for the live request of the target live video that receiving terminal sends, carries the first sharpness information in described live request;
Determination module 620, for the live video stream of target live video that exports according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that described first sharpness information is corresponding;
Transport module 630, for obtaining described first live video stream, to the first live video stream described in described terminal transmission, plays described first live video stream to make described terminal;
Wherein, the live video stream of the target live video that described different transcoding machine exports is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to described target live video.
Optionally, in described corresponding relation each sharpness information to the live video stream of the target live video that the live video stream of the target live video that a main transcoding machine should be had to export and standby transcoding machine export;
Described determination module 620, for:
The live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, and the transmission state of each main transcoding machine and standby transcoding machine, determine the first live video stream of the target live video of the first transcoding machine output that described first sharpness information is corresponding.
Optionally, described server also comprises screen capture module, for:
Obtain the sectional drawing in other live video outside described target live video;
The sectional drawing of acquisition is sent to described terminal.
Optionally, described transcoding machine is flv transcoding machine or hls transcoding machine.
Based on identical technical conceive, the embodiment of the present invention additionally provides a kind of terminal, and as shown in Figure 7, described terminal comprises:
Display module 710, for the multiple sharpness information preset of display-object live video;
Sending module 720, for when receiving the selection instruction to the first sharpness information in described multiple sharpness information, sending the live request of described target live video, carrying the first sharpness information in described live request to server;
Receiver module 730, the first live video stream of the target live video that described first sharpness information for receiving the transmission of described server is corresponding, plays described first live video stream.
In the embodiment of the present invention, the live request of the target live video that receiving terminal sends, the first sharpness information is carried in live request, the live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that the first sharpness information is corresponding, wherein, the live video stream of the target live video that different transcoding machines exports, it is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to target live video, obtain the first live video stream, to terminal transmission first live video stream, to make terminal, the first live video stream is play.Like this, the live video stream of the target live video that different transcoding machines exports has different definition, the terminal of different network environments can according to the situation of the network bandwidth, play the video of the definition being applicable to current network bandwidth, to reduce the situation of the abnormal transmission of frame of video, reduce video content information disappearance, thus, the efficiency of acquisition of information can be improved.
Embodiment four
Based on identical technical conceive, the embodiment of the present invention additionally provides a kind of system transmitting live video stream, and described system comprises server and terminal, wherein:
Described terminal, for the multiple sharpness information preset of display-object live video; When receiving the selection instruction to the first sharpness information in described multiple sharpness information, sending the live request of described target live video to described server, in described live request, carrying the first sharpness information; Receive the first live video stream of target live video corresponding to described first sharpness information that described server sends, described first live video stream is play;
Described server, for receiving the live request of the target live video that described terminal sends, carries the first sharpness information in described live request; The live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that described first sharpness information is corresponding; Obtain described first live video stream, to the first live video stream described in described terminal transmission, to make described terminal, described first live video stream is play; Wherein, the live video stream of the target live video that described different transcoding machine exports is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to described target live video.
In the embodiment of the present invention, the live request of the target live video that receiving terminal sends, the first sharpness information is carried in live request, the live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that the first sharpness information is corresponding, wherein, the live video stream of the target live video that different transcoding machines exports, it is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to target live video, obtain the first live video stream, to terminal transmission first live video stream, to make terminal, the first live video stream is play.Like this, the live video stream of the target live video that different transcoding machines exports has different definition, the terminal of different network environments can according to the situation of the network bandwidth, play the video of the definition being applicable to current network bandwidth, to reduce the situation of the abnormal transmission of frame of video, reduce video content information disappearance, thus, the efficiency of acquisition of information can be improved.
Embodiment five
Fig. 8 is the structural representation of the server that the embodiment of the present invention provides.This server 1900 can produce larger difference because of configuration or performance difference, one or more central processing units (centralprocessing units can be comprised, CPU) 1922 (such as, one or more processors) and memory 1932, one or more store the storage medium 1930 (such as one or more mass memory units) of application program 1942 or data 1944.Wherein, memory 1932 and storage medium 1930 can be of short duration storages or store lastingly.The program being stored in storage medium 1930 can comprise one or more modules (diagram does not mark), and each module can comprise a series of command operatings in server.Further, central processing unit 1922 can be set to communicate with storage medium 1930, and server 1900 performs a series of command operatings in storage medium 1930.
Server 1900 can also comprise one or more power supplys 1926, one or more wired or wireless network interfaces 1950, one or more input/output interfaces 1958, one or more keyboards 1956, and/or, one or more operating systems 1941, such as Windows ServerTM, Mac OSXTM, UnixTM, LinuxTM, FreeBSDTM etc.
Server 1900 can include memory, and one or more than one program, one of them or more than one program are stored in memory, and are configured to perform described more than one or one program package containing the instruction for carrying out following operation by more than one or one processor:
The live request of the target live video that receiving terminal sends, carries the first sharpness information in described live request;
The live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that described first sharpness information is corresponding;
Obtain described first live video stream, to the first live video stream described in described terminal transmission, to make described terminal, described first live video stream is play;
Wherein, the live video stream of the target live video that described different transcoding machine exports is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to described target live video.
Optionally, in described corresponding relation each sharpness information to the live video stream of the target live video that the live video stream of the target live video that a main transcoding machine should be had to export and standby transcoding machine export;
The live video stream of target live video that the different transcoding machine that described basis prestores exports and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that described first sharpness information is corresponding, comprising:
The live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, and the transmission state of each main transcoding machine and standby transcoding machine, determine the first live video stream of the target live video of the first transcoding machine output that described first sharpness information is corresponding.
Optionally, described method also comprises:
Obtain the sectional drawing in other live video outside described target live video;
The sectional drawing of acquisition is sent to described terminal.
Optionally, described transcoding machine is flv transcoding machine or hls transcoding machine.
In the embodiment of the present invention, the live request of the target live video that receiving terminal sends, the first sharpness information is carried in live request, the live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that the first sharpness information is corresponding, wherein, the live video stream of the target live video that different transcoding machines exports, it is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to target live video, obtain the first live video stream, to terminal transmission first live video stream, to make terminal, the first live video stream is play.Like this, the live video stream of the target live video that different transcoding machines exports has different definition, the terminal of different network environments can according to the situation of the network bandwidth, play the video of the definition being applicable to current network bandwidth, to reduce the situation of the abnormal transmission of frame of video, reduce video content information disappearance, thus, the efficiency of acquisition of information can be improved.
Embodiment six
Please refer to Fig. 9, it illustrates the terminal structure schematic diagram with Touch sensitive surface involved by the embodiment of the present invention, this terminal may be used for the method implementing the transmission live video stream provided in above-described embodiment.Specifically:
Terminal 900 can comprise RF (Radio Frequency, radio frequency) circuit 110, the memory 120 including one or more computer-readable recording mediums, input unit 130, display unit 140, transducer 150, voicefrequency circuit 160, WiFi (wireless fidelity, Wireless Fidelity) module 170, include the parts such as processor 180 and power supply 190 that more than or processes core.It will be understood by those skilled in the art that the restriction of the not structure paired terminal of the terminal structure shown in Fig. 9, the parts more more or less than diagram can be comprised, or combine some parts, or different parts are arranged.Wherein:
RF circuit 110 can be used for receiving and sending messages or in communication process, the reception of signal and transmission, especially, after being received by the downlink information of base station, transfer to more than one or one processor 180 to process; In addition, base station is sent to by relating to up data.Usually, RF circuit 110 includes but not limited to antenna, at least one amplifier, tuner, one or more oscillator, subscriber identity module (SIM) card, transceiver, coupler, LNA (Low Noise Amplifier, low noise amplifier), duplexer etc.In addition, RF circuit 110 can also by radio communication and network and other devices communicatings.Described radio communication can use arbitrary communication standard or agreement, include but not limited to GSM (Global System of Mobile communication, global system for mobile communications), GPRS (General Packet Radio Service, general packet radio service), CDMA (Code Division Multiple Access, code division multiple access), WCDMA (Wideband CodeDivision Multiple Access, Wideband Code Division Multiple Access (WCDMA)), LTE (Long Term Evolution, Long Term Evolution), Email, SMS (Short Messaging Service, Short Message Service) etc.
Memory 120 can be used for storing software program and module, and processor 180 is stored in software program and the module of memory 120 by running, thus performs the application of various function and data processing.Memory 120 mainly can comprise storage program district and store data field, and wherein, storage program district can storage operation system, application program (such as sound-playing function, image player function etc.) etc. needed at least one function; Store data field and can store the data (such as voice data, phone directory etc.) etc. created according to the use of terminal 900.In addition, memory 120 can comprise high-speed random access memory, can also comprise nonvolatile memory, such as at least one disk memory, flush memory device or other volatile solid-state parts.Correspondingly, memory 120 can also comprise Memory Controller, to provide the access of processor 180 and input unit 130 pairs of memories 120.
Input unit 130 can be used for the numeral or the character information that receive input, and produces and to arrange with user and function controls relevant keyboard, mouse, action bars, optics or trace ball signal and inputs.Particularly, input unit 130 can comprise Touch sensitive surface 131 and other input equipments 132.Touch sensitive surface 131, also referred to as touch display screen or Trackpad, user can be collected or neighbouring touch operation (such as user uses any applicable object or the operations of annex on Touch sensitive surface 131 or near Touch sensitive surface 131 such as finger, stylus) thereon, and drive corresponding jockey according to the formula preset.Optionally, Touch sensitive surface 131 can comprise touch detecting apparatus and touch controller two parts.Wherein, touch detecting apparatus detects the touch orientation of user, and detects the signal that touch operation brings, and sends signal to touch controller; Touch controller receives touch information from touch detecting apparatus, and converts it to contact coordinate, then gives processor 180, and the order that energy receiving processor 180 is sent also is performed.In addition, the polytypes such as resistance-type, condenser type, infrared ray and surface acoustic wave can be adopted to realize Touch sensitive surface 131.Except Touch sensitive surface 131, input unit 130 can also comprise other input equipments 132.Particularly, other input equipments 132 can include but not limited to one or more in physical keyboard, function key (such as volume control button, switch key etc.), trace ball, mouse, action bars etc.
Display unit 140 can be used for the various graphical user interface showing information or the information being supplied to user and the terminal 900 inputted by user, and these graphical user interface can be made up of figure, text, icon, video and its combination in any.Display unit 140 can comprise display floater 141, optionally, the form such as LCD (Liquid Crystal Display, liquid crystal display), OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) can be adopted to configure display floater 141.Further, Touch sensitive surface 131 can cover display floater 141, when Touch sensitive surface 131 detects thereon or after neighbouring touch operation, send processor 180 to determine the type of touch event, on display floater 141, provide corresponding vision to export with preprocessor 180 according to the type of touch event.Although in fig .9, Touch sensitive surface 131 and display floater 141 be as two independently parts realize input and input function, in certain embodiments, can by Touch sensitive surface 131 and display floater 141 integrated and realize input and output function.
Terminal 900 also can comprise at least one transducer 150, such as optical sensor, motion sensor and other transducers.Particularly, optical sensor can comprise ambient light sensor and proximity transducer, and wherein, ambient light sensor the light and shade of environmentally light can regulate the brightness of display floater 141, proximity transducer when terminal 900 moves in one's ear, can cut out display floater 141 and/or backlight.As the one of motion sensor, Gravity accelerometer can detect the size of all directions (are generally three axles) acceleration, size and the direction of gravity can be detected time static, can be used for identifying the application (such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating) of mobile phone attitude, Vibration identification correlation function (such as pedometer, knock) etc.; As for terminal 900 also other transducers such as configurable gyroscope, barometer, hygrometer, thermometer, infrared ray sensor, do not repeat them here.
Voicefrequency circuit 160, loud speaker 161, microphone 162 can provide the audio interface between user and terminal 900.Voicefrequency circuit 160 can by receive voice data conversion after the signal of telecommunication, be transferred to loud speaker 161, by loud speaker 161 be converted to voice signal export; On the other hand, the voice signal of collection is converted to the signal of telecommunication by microphone 162, voice data is converted to after being received by voicefrequency circuit 160, after again voice data output processor 180 being processed, through RF circuit 110 to send to such as another terminal, or export voice data to memory 120 to process further.Voicefrequency circuit 160 also may comprise earphone jack, to provide the communication of peripheral hardware earphone and terminal 900.
WiFi belongs to short range wireless transmission technology, and by WiFi module 170, terminal 900 can help that user sends and receive e-mail, browsing page and access streaming video etc., and its broadband internet wireless for user provides is accessed.Although Fig. 9 shows WiFi module 170, be understandable that, it does not belong to must forming of terminal 900, can omit in the scope of essence not changing invention as required completely.
Processor 180 is control centres of terminal 900, utilize the various piece of various interface and the whole mobile phone of connection, software program in memory 120 and/or module is stored in by running or performing, and call the data be stored in memory 120, perform various function and the deal with data of terminal 900, thus integral monitoring is carried out to mobile phone.Optionally, processor 180 can comprise one or more process core; Preferably, processor 180 accessible site application processor and modem processor, wherein, application processor mainly processes operating system, user interface and application program etc., and modem processor mainly processes radio communication.Be understandable that, above-mentioned modem processor also can not be integrated in processor 180.
Terminal 900 also comprises the power supply 190 (such as battery) of powering to all parts, preferably, power supply can be connected with processor 180 logic by power-supply management system, thus realizes the functions such as management charging, electric discharge and power managed by power-supply management system.Power supply 190 can also comprise one or more direct current or AC power, recharging system, power failure detection circuit, power supply changeover device or the random component such as inverter, power supply status indicator.
Although not shown, terminal 900 can also comprise camera, bluetooth module etc., does not repeat them here.Specifically in the present embodiment, the display unit of terminal 900 is touch-screen displays, terminal 900 also includes memory, and one or more than one program, one of them or more than one program are stored in memory, and are configured to be performed by more than one or one processor state more than one or one program package containing the instruction for carrying out following operation:
The multiple sharpness information preset of display-object live video;
When receiving the selection instruction to the first sharpness information in described multiple sharpness information, sending the live request of described target live video to server, in described live request, carrying the first sharpness information;
Receive the first live video stream of target live video corresponding to described first sharpness information that described server sends, described first live video stream is play.
In the embodiment of the present invention, the live request of the target live video that receiving terminal sends, the first sharpness information is carried in live request, the live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that the first sharpness information is corresponding, wherein, the live video stream of the target live video that different transcoding machines exports, it is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to target live video, obtain the first live video stream, to terminal transmission first live video stream, to make terminal, the first live video stream is play.Like this, the live video stream of the target live video that different transcoding machines exports has different definition, the terminal of different network environments can according to the situation of the network bandwidth, play the video of the definition being applicable to current network bandwidth, to reduce the situation of the abnormal transmission of frame of video, reduce video content information disappearance, thus, the efficiency of acquisition of information can be improved.
It should be noted that: the device of the transmission live video stream that above-described embodiment provides is when transmitting live video stream, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, internal structure by device is divided into different functional modules, to complete all or part of function described above.In addition, the device of the transmission live video stream that above-described embodiment provides belongs to same design with the embodiment of the method for transmission live video stream, and its specific implementation process refers to embodiment of the method, repeats no more here.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. transmit a method for live video stream, it is characterized in that, described method comprises:
The live request of the target live video that receiving terminal sends, carries the first sharpness information in described live request;
The live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that described first sharpness information is corresponding;
Obtain described first live video stream, to the first live video stream described in described terminal transmission, to make described terminal, described first live video stream is play;
Wherein, the live video stream of the target live video that described different transcoding machine exports is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to described target live video.
2. method according to claim 1, is characterized in that, in described corresponding relation, each sharpness information is to the live video stream of the target live video that a main transcoding machine should be had to export and a live video stream for the target live video of transcoding machine output;
The live video stream of target live video that the different transcoding machine that described basis prestores exports and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that described first sharpness information is corresponding, comprising:
The live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, and the transmission state of each main transcoding machine and standby transcoding machine, determine the first live video stream of the target live video of the first transcoding machine output that described first sharpness information is corresponding.
3. method according to claim 1, is characterized in that, described method also comprises:
Obtain the sectional drawing in other live video outside described target live video;
The sectional drawing of acquisition is sent to described terminal.
4. method according to claim 1, is characterized in that, described transcoding machine is flv transcoding machine or hls transcoding machine.
5. transmit a method for live video stream, it is characterized in that, described method comprises:
The multiple sharpness information preset of display-object live video;
When receiving the selection instruction to the first sharpness information in described multiple sharpness information, sending the live request of described target live video to server, in described live request, carrying the first sharpness information;
Receive the first live video stream of target live video corresponding to described first sharpness information that described server sends, described first live video stream is play.
6. a server, is characterized in that, described server comprises:
Receiver module, for the live request of the target live video that receiving terminal sends, carries the first sharpness information in described live request;
Determination module, for the live video stream of target live video that exports according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that described first sharpness information is corresponding;
Transport module, for obtaining described first live video stream, to the first live video stream described in described terminal transmission, plays described first live video stream to make described terminal;
Wherein, the live video stream of the target live video that described different transcoding machine exports is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to described target live video.
7. server according to claim 6, it is characterized in that, in described corresponding relation, each sharpness information is to the live video stream of the target live video that a main transcoding machine should be had to export and a live video stream for the target live video of transcoding machine output;
Described determination module, for:
The live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, and the transmission state of each main transcoding machine and standby transcoding machine, determine the first live video stream of the target live video of the first transcoding machine output that described first sharpness information is corresponding.
8. server according to claim 6, is characterized in that, described server also comprises screen capture module, for:
Obtain the sectional drawing in other live video outside described target live video;
The sectional drawing of acquisition is sent to described terminal.
9. server according to claim 6, is characterized in that, described transcoding machine is flv transcoding machine or hls transcoding machine.
10. a terminal, is characterized in that, described terminal comprises:
Display module, for the multiple sharpness information preset of display-object live video;
Sending module, for when receiving the selection instruction to the first sharpness information in described multiple sharpness information, sending the live request of described target live video, carrying the first sharpness information in described live request to server;
Receiver module, the first live video stream of the target live video that described first sharpness information for receiving the transmission of described server is corresponding, plays described first live video stream.
11. 1 kinds of systems transmitting live video stream, it is characterized in that, described system comprises server and terminal, wherein:
Described terminal, for the multiple sharpness information preset of display-object live video; When receiving the selection instruction to the first sharpness information in described multiple sharpness information, sending the live request of described target live video to described server, in described live request, carrying the first sharpness information; Receive the first live video stream of target live video corresponding to described first sharpness information that described server sends, described first live video stream is play;
Described server, for receiving the live request of the target live video that described terminal sends, carries the first sharpness information in described live request; The live video stream of target live video exported according to the different transcoding machine prestored and the corresponding relation of sharpness information, determine the first live video stream of the target live video of the first transcoding machine output that described first sharpness information is corresponding; Obtain described first live video stream, to the first live video stream described in described terminal transmission, to make described terminal, described first live video stream is play; Wherein, the live video stream of the target live video that described different transcoding machine exports is different transcoding machines carries out the different definition that transcoding obtains respectively live video stream to described target live video.
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