CN104935955B - A kind of methods, devices and systems transmitting live video stream - Google Patents
A kind of methods, devices and systems transmitting live video stream Download PDFInfo
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- CN104935955B CN104935955B CN201510288995.0A CN201510288995A CN104935955B CN 104935955 B CN104935955 B CN 104935955B CN 201510288995 A CN201510288995 A CN 201510288995A CN 104935955 B CN104935955 B CN 104935955B
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- video stream
- transcoding machine
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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
-
- 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
-
- 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 kind of methods, devices and systems for transmitting live video stream, belong to Internet technical field.The described method includes: receiving the live streaming request for the target live video that terminal is sent, the first sharpness information is carried in the live streaming request；The live video stream of the target live video of different transcoding machine output according to the pre-stored data and the corresponding relationship of sharpness information, determine the first live video stream of the target live video of the corresponding first transcoding machine output of first sharpness information；First live video stream is obtained, to the first live video stream described in the terminal transmission, so that the terminal plays out first live video stream；Wherein, the live video stream of the target live video of the different transcoding machine output, is different the live video stream that transcoding machine carries out the different clarity that transcoding obtains to the target live video respectively.Using the present invention, the efficiency of acquisition of information can be improved.
Description
Technical field
The present invention relates to Internet technical field, in particular to a kind of methods, devices and systems for transmitting live video stream.
Background technique
With the development of network technology, network video using more and more common, corresponding internet video live broadcasting also obtains
It is widely applied, for example, concert, network direct broadcasting of competitive sports etc..
Existing network direct broadcasting technology is by video SDI (Serial Digital Interface, number received from satellite
Word component serial line interface) signal is encoded to obtain live video stream, and is transmitted to terminal and is shown.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems:
When the lower terminal plays live video of network bandwidth, it often will appear and play not smooth, certain frames in video
Normally it cannot obtain and show, video content information missing, thus, cause the efficiency of acquisition of information lower.
Summary of the invention
In order to solve problems in the prior art, the embodiment of the invention provides a kind of methods for transmitting live video stream, dress
It sets and system.The technical solution is as follows:
In a first aspect, providing a kind of method for transmitting live video stream, which comprises
The live streaming request for the target live video that terminal is sent is received, carries the first sharpness information in live streaming request；
The live video stream and sharpness information of the target live video of different transcoding machine output according to the pre-stored data
Corresponding relationship, determine the first live video of the target live video of the first sharpness information corresponding first transcoding machine output
Stream；
The first live video stream is obtained, to the first live video stream of terminal transmission, so that terminal is to the first live video stream
It plays out；
Wherein, the live video stream of the target live video of different transcoding machines output, is different transcoding machine to target
Live video carries out the live video stream for the different clarity that transcoding obtains respectively.
Second aspect provides a kind of method for transmitting live video stream, which comprises
Preset a variety of sharpness informations of displaying target live video；
When receiving the selection instruction to the first sharpness information in a variety of sharpness informations, mesh is sent to server
The live streaming request of live video is marked, carries the first sharpness information in live streaming request；
The first live video stream for receiving the corresponding target live video of the first sharpness information that server is sent, to the
One live video stream plays out.
The third aspect, provides a kind of server, and the server includes:
Receiving module, the live streaming request of the target live video for receiving terminal transmission carry the in live streaming request
One sharpness information；
Determining module, the live video stream of the target live video for different transcoding machine output according to the pre-stored data
With the corresponding relationship of sharpness information, the target live video of the corresponding first transcoding machine output of the first sharpness information is determined
First live video stream；
Module is obtained, for obtaining the first live video stream, to the first live video stream of terminal transmission, so that terminal is to the
One live video stream plays out；
Wherein, the live video stream of the target live video of different transcoding machines output, is different transcoding machine to target
Live video carries out the live video stream for the different clarity that transcoding obtains respectively.
Fourth aspect, provides a kind of terminal, and the terminal includes:
Display module, preset a variety of sharpness informations for displaying target live video；
Sending module, for when receiving the selection instruction to the first sharpness information in a variety of sharpness informations,
The live streaming request of target live video is sent to server, carries the first sharpness information in live streaming request；
Receiving module is straight for receiving the first of the corresponding target live video of the first sharpness information of server transmission
Video flowing is broadcast, the first live video stream is played out.
5th aspect provides a kind of system for transmitting live video stream, the system comprises server and terminal,
In:
The server, the live streaming request of the target live video for receiving terminal transmission, is broadcast live in request and carries
First sharpness information；The live video stream of the target live video of different transcoding machine output according to the pre-stored data and clear
The corresponding relationship for spending information determines that the first of the target live video of the corresponding first transcoding machine output of the first sharpness information is straight
Broadcast video flowing；The first live video stream is obtained, to the first live video stream of terminal transmission, so that terminal is to the first live video stream
It plays out；Wherein, the live video stream of the target live video of different transcoding machines output, is different transcoding machine to target
Live video carries out the live video stream for the different clarity that transcoding obtains respectively；
The terminal, preset a variety of sharpness informations for displaying target live video；When receiving to a variety of clear
When the selection instruction of the first sharpness information in clear degree information, the live streaming request of target live video, institute are sent to server
It states in live streaming request and carries the first sharpness information；Receive the corresponding target live streaming of the first sharpness information that server is sent
First live video stream of video, plays out the first live video stream.
Technical solution provided in an embodiment of the present invention has the benefit that
In the embodiment of the present invention, the live streaming request for the target live video that terminal is sent is received, is carried in live streaming request
First sharpness information, the live video stream of the target live video of different transcoding machine outputs according to the pre-stored data and clear
The corresponding relationship for spending information determines that the first of the target live video of the corresponding first transcoding machine output of the first sharpness information is straight
Broadcast video flowing, wherein the live video stream of the target live video of different transcoding machine output is different transcoding machine to target
Live video carries out the live video stream for the different clarity that transcoding obtains respectively, obtains the first live video stream, passes to terminal
Defeated first live video stream, so that terminal plays out the first live video stream.In this way, the target that different transcoding machines exports
The live video stream of live video has different clarity, and the terminal of different network environments can be according to the feelings of network bandwidth
Condition plays the video for being suitble to the clarity of current network bandwidth, the case where to reduce video frame abnormal transmission, reduces in video
Hold loss of learning, it is thus possible to improve the efficiency of acquisition of information.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of method flow diagram for transmitting live video stream provided in an embodiment of the present invention；
Fig. 2 is a kind of method flow diagram for transmitting live video stream provided in an embodiment of the present invention；
Fig. 3 is a kind of method flow diagram for transmitting live video stream provided in an embodiment of the present invention；
Fig. 4 is a kind of system block diagram for transmitting live video stream provided in an embodiment of the present invention；
Fig. 5 is a kind of system block diagram for transmitting live video stream provided in an embodiment of the present invention；
Fig. 6 is the structural schematic diagram of server provided in an embodiment of the present invention；
Fig. 7 is the structural schematic diagram of terminal provided in an embodiment of the present invention；
Fig. 8 is the structural schematic diagram of server provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment one
The embodiment of the invention provides a kind of method for transmitting live video stream, this method can be total to by server and terminal
With realization.
As shown in Figure 1, the process flow of server may include following step in this method:
Step 101, the live streaming request for the target live video that terminal is sent is received, it is clear to carry first in live streaming request
Spend information.
Step 102, the live video stream of the target live video of different transcoding machine output according to the pre-stored data and clear
The corresponding relationship of clear degree information determines the first of the target live video of the corresponding first transcoding machine output of the first sharpness information
Live video stream, wherein the live video stream of the target live video of different transcoding machine output is different transcoding machine to mesh
Mark live video carries out the live video stream for the different clarity that transcoding obtains respectively.
Step 103, the first live video stream is obtained, to the first live video stream of terminal transmission, so that terminal is straight to first
Video flowing is broadcast to play out.
As shown in Fig. 2, the process flow of terminal may include following step in this method:
Step 201, preset a variety of sharpness informations of displaying target live video；
Step 202, when receiving the selection instruction to the first sharpness information in a variety of sharpness informations, to service
Device sends the live streaming request of target live video, carries the first sharpness information in live streaming request；
Step 203, the first live streaming view of the corresponding target live video of the first sharpness information that server is sent is received
Frequency flows, and plays out to the first live video stream.
In the embodiment of the present invention, the live streaming request for the target live video that terminal is sent is received, is carried in live streaming request
First sharpness information, the live video stream of the target live video of different transcoding machine outputs according to the pre-stored data and clear
The corresponding relationship for spending information determines that the first of the target live video of the corresponding first transcoding machine output of the first sharpness information is straight
Broadcast video flowing, wherein the live video stream of the target live video of different transcoding machine output is different transcoding machine to target
Live video carries out the live video stream for the different clarity that transcoding obtains respectively, obtains the first live video stream, passes to terminal
Defeated first live video stream, so that terminal plays out the first live video stream.In this way, the target that different transcoding machines exports
The live video stream of live video has different clarity, and the terminal of different network environments can be according to the feelings of network bandwidth
Condition plays the video for being suitble to the clarity of current network bandwidth, the case where to reduce video frame abnormal transmission, reduces in video
Hold loss of learning, it is thus possible to improve the efficiency of acquisition of information.
Embodiment two
The embodiment of the invention provides a kind of method for transmitting live video stream, the executing subject of this method be server and
Terminal.Wherein, server is used to terminal and provides the server of live video stream, can be referred to as video server, can be
One individual server is also possible to more such as CDN (Content Delivery Network, content distributing network) server
The server group of a server composition, for example, server group may include CDN server, Distribute (transponder) and
Plurality of devices in the equipment such as Livereceive (fluid receiver), configuration server, radial server, the flat server of frame.Terminal can
With mobile terminals such as any terminals, such as mobile phone, tablet computer that are attached to internet, viewing can be installed in the terminal
The application program of live video.In the present embodiment, by taking server is server group as an example, the detailed description of scheme is carried out, it is other
Situation is similar therewith, and the present embodiment is not repeated.
Below in conjunction with specific embodiment, process flow shown in Fig. 3 is described in detail, content can be as
Under:
Step 301, preset a variety of sharpness informations of terminal displaying target live video.
Wherein, target live video is the live video that user wants viewing, for example, certain star just holds performance in somewhere
Meeting, the people that cannot reach scene viewing concert can watch the live video of concert by terminal.
In an implementation, when user wants to watch certain live video (i.e. target live video), sight can be opened at the terminal
The application program for seeing live video, selects the live video in the live video list of application program, and terminal can then be opened and be answered
With the corresponding video playing interface of program, and display resolution selects window, wherein a variety of different clarity letters can be shown
Breath, such as the option for the characterization clarity such as show high definition, SD, pure audio (it is believed that pure audio is zero clarity).
Step 302, terminal is when receiving the selection instruction to the first sharpness information in a variety of sharpness informations, to
Server sends the live streaming request of target live video, carries the first sharpness information in live streaming request.
Wherein, the first sharpness information is selected in a variety of different sharpness informations that user shows in broadcast interface
That a kind of sharpness information for being suitble to oneself network bandwidth.
In an implementation, user can select suitable sharpness information, network bandwidth according to the network bandwidth situation of oneself
When larger, can choose higher sharpness information such as can choose high definition, when network bandwidth is smaller, can choose lower
Sharpness information such as can choose SD, for the live video of concert type, also can choose pure audio.User is upper
It states in clarity selection window when selecting the first sharpness information, terminal will receive the selection instruction of user, then to diameter
The live streaming request of target live video is sent to server, after the live streaming request that radial server receiving terminal is sent, Ke Yiwei
Terminal selects the server of available target live video, obtains the address of the server, receives the response to terminal transmission,
In carry the address, terminal receives receiveing the response for radial server, sends out to the server of available target live video
The live streaming of target live video is sent to request, wherein carrying the first sharpness information of user's selection.
Step 303, the live streaming request for the target live video that server receiving terminal is sent carries the in live streaming request
One sharpness information.
In an implementation, what server receiving terminal was sent carries the target live streaming of the first sharpness information of user's selection
After the live streaming request of video, live streaming request can be parsed, obtain the first sharpness information wherein carried.
Step 304, the live video of the target live video of server different transcoding machine output according to the pre-stored data
The corresponding relationship of stream and sharpness information determines the target live video of the corresponding first transcoding machine output of the first sharpness information
The first live video stream；Wherein, the live video stream of the target live video of different transcoding machines output, is different transcoding
Machine carries out the live video stream for the different clarity that transcoding obtains to target live video respectively.
Wherein, the first transcoding machine is directed to for the first sharpness information of user's selection, the first sharpness information pair
The first live video stream answered is to be obtained by the first transcoding machine to target live video transcoding.
In an implementation, server can connect multiple transcoding machines, and multiple transcoding machines may be coupled to a code machine again
On, the input signal of code machine is that the sdi signal of the target live video of satellite transmission (it is uncoded original to be regarded as video
Video flowing), code machine can encode original video stream, such as windows coding, the input signal of each transcoding machine are equal
The live video stream by coding of same code machine output, each transcoding machine can be based respectively on different clarity thus,
Transcoding is carried out by the live video stream of coding to this, obtains the live video stream for corresponding to different sharpness informations.Different turns
The live video stream of target live video and the corresponding relationship of sharpness information of ink recorder output can be stored in advance in server
In or the corresponding relationship can also be stored in advance in other equipment, be such as stored in an independent configuration server.
After receiving live streaming request, the user carried in the live streaming request that server is sent according to the terminal received is selected
The first sharpness information selected can determine corresponding first transcoding machine output according to pre-stored above-mentioned corresponding relationship
First live video stream of target live video determines straight corresponding to the video of selected first sharpness information of user
Broadcast video flowing.
Optionally, different terminal, which can be used, in order to meet user watches target live video, and above-mentioned transcoding machine can be with
It is flv transcoding machine or hls transcoding machine.
Wherein, flv (Flash Video, stream media format) and hls (Hyper Text Transfer Protocol
Live Streaming, adaptive stream media) it is two different video formats.Flv transcoding machine can export the straight of flv format
Video flowing is broadcast, hls transcoding machine can export the live video stream of hls format.
Optionally, a main transcoding machine and standby transcoding machine each clarity can be respectively set, correspondingly, being stored in advance
Corresponding relationship in each sharpness information be corresponding with a main transcoding machine output target live video live video stream and
The live video stream of the target live video of one standby transcoding machine output, the treatment process of corresponding step 304 can be such that root
According to the live video stream of the target live video of pre-stored different transcoding machine outputs and the corresponding relationship of sharpness information,
And the transmission state of each main transcoding machine and standby transcoding machine, determine the mesh of the corresponding first transcoding machine output of the first sharpness information
Mark the first live video stream of live video.
Wherein, main transcoding machine is that transcoding is carried out to primary live video stream, and standby transcoding machine is flowed into spare live video
Row transcoding.
In an implementation, for the sdi signal of the target live video of satellite transmission, two code machines can be set, respectively
For main code machine and standby code machine, the live video stream of two code machines output can be respectively as primary live video stream and standby
Use live video stream.Corresponding each clarity is respectively arranged with a main transcoding machine and standby transcoding machine, primary live video flow point
Each main transcoding machine is not inputted, and spare live video stream inputs each standby transcoding machine respectively.Server transmits shape in main transcoding machine
When state is normal, it can select the live video stream of main transcoding machine output that can select standby in main transcoding machine transmission state exception
The live video stream of transcoding machine output.
Following present several specific processing modes:
Processing mode one, it is multiple servers composition that this processing mode, which can be directed to but be not limited to above-mentioned server,
Include the case where fluid receiver, transponder and CDN server in server group and server group.
As shown in figure 4, being both provided with a main transcoding machine and a standby transcoding machine for each sharpness information.It is primary
Live video stream inputs each main transcoding machine respectively, and spare live video stream inputs each standby transcoding machine respectively, will pass through each
Live video stream after main transcoding machine and each standby transcoding machine transcoding accesses fluid receiver.For each sharpness information, fluid receiver
Whether the live video stream that can detecte main transcoding machine output therein is abnormal (than occurring if any cutout), if without exception,
Then the live video stream that main transcoding machine exports can be transferred to transponder, if there is exception, then can believed the clarity
The live video stream for ceasing corresponding standby transcoding machine output is transferred to transponder.At this point, in the live video stream of transponder input,
Corresponding each sharpness information only includes a live video stream, and it is corresponding which can be the sharpness information
The live video stream of main transcoding machine output is also possible to the live video stream of the corresponding standby transcoding machine output of the sharpness information.
It is straight by what is be resolved to after CDN server receives the playing request for carrying the first clear information of terminal transmission
It broadcasts the first sharpness information carried in request and is sent to transponder, transponder can be in all live video streams of its input
In, 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 be directed to but be not limited to the case where above-mentioned server is CDN server.
Primary live video stream inputs each main transcoding machine respectively, and spare live video stream inputs each standby transcoding respectively
Machine is both provided with a main transcoding machine and a standby transcoding machine for each sharpness information.
As shown in figure 5, after CDN server receives the playing request for carrying the first clear information that terminal is sent, solution
The first sharpness information therein is analysed, obtains its live video stream exported to the corresponding main transcoding machine of the first sharpness information,
And the live video stream that it is exported is obtained to the corresponding standby transcoding machine of the first sharpness information and can detecte master therein in turn
Whether the live video stream of transcoding machine output is abnormal (such as having detected whether that cutout occurs), if without exception, it can be true
The live video stream of fixed main transcoding machine output is the live video stream (i.e. above-mentioned first live video stream) to be feedback to terminal, such as
There is exception in fruit, then can determine that the live video stream of standby transcoding machine output is the live video stream to be feedback to terminal.
Step 305, server obtains the first live video stream, to the first live video stream of terminal transmission.
In an implementation, for processing mode one the case where, transponder can send the first live video stream determined
To CDN server, in turn, the first live video stream can be transferred to terminal by CDN server, so that terminal carries out subsequent place
Reason.The case where for processing mode two, available above-mentioned the first live video stream determined of CDN server, and passed
It is defeated by terminal, so that terminal carries out subsequent processing.
Step 306, the first of the corresponding target live video of the first sharpness information that terminal reception server is sent is straight
Video flowing is broadcast, the first live video stream is played out.
In an implementation, terminal receives the first live streaming of the first sharpness information for corresponding to user's selection that server is sent
Video flowing, and played out.
Optionally, other live videos can also be recommended, correspondingly, process flow can be such that acquisition mesh
Mark the screenshot in other live videos except live video；The screenshot that will acquire is sent to terminal.
In an implementation, when user watches target live video, there is also other straight except target live video for network side
Video is broadcast, the live video after code machine encodes can be cut every certain time length using a live streaming screenshot equipment
Figure.The case where for the server group that server is multiple servers composition, may include the flat server of frame in server group, directly
The live streaming screenshot that broadcasting screenshot equipment can will acquire is transferred to the flat server of frame.User watches target live video by terminal
When, play in terminal live video application program can be obtained from the flat server of trend frame it is other except target live video
The screenshot of live video, and the region except target live video play area shows the screenshot got.
In the embodiment of the present invention, the live streaming request for the target live video that terminal is sent is received, is carried in live streaming request
First sharpness information, the live video stream of the target live video of different transcoding machine outputs according to the pre-stored data and clear
The corresponding relationship for spending information determines that the first of the target live video of the corresponding first transcoding machine output of the first sharpness information is straight
Broadcast video flowing, wherein the live video stream of the target live video of different transcoding machine output is different transcoding machine to target
Live video carries out the live video stream for the different clarity that transcoding obtains respectively, obtains the first live video stream, passes to terminal
Defeated first live video stream, so that terminal plays out the first live video stream.In this way, the target that different transcoding machines exports
The live video stream of live video has different clarity, and the terminal of different network environments can be according to the feelings of network bandwidth
Condition plays the video for being suitble to the clarity of current network bandwidth, the case where to reduce video frame abnormal transmission, reduces in video
Hold loss of learning, it is thus possible to improve the efficiency of acquisition of information.
Embodiment three
Based on the same technical idea, the embodiment of the invention also provides a kind of servers, as shown in fig. 6, the service
Device includes:
Receiving module 610 is requested for receiving the live streaming of target live video of terminal transmission, is taken in the live streaming request
With the first sharpness information；
Determining module 620, the live streaming view of the target live video for different transcoding machine output according to the pre-stored data
The corresponding relationship of frequency stream and sharpness information determines that the target of the corresponding first transcoding machine output of first sharpness information is straight
Broadcast the first live video stream of video；
Transmission module 630, for obtaining first live video stream, to the first live video described in the terminal transmission
Stream, so that the terminal plays out first live video stream；
Wherein, the live video stream of the target live video of the different transcoding machine output, is different transcoding machine pair
The target live video carries out the live video stream for the different clarity that transcoding obtains respectively.
Optionally, the target live streaming that each sharpness information is corresponding with a main transcoding machine output in the corresponding relationship regards
The live video stream of the live video stream of frequency and the target live video of a standby transcoding machine output；
Institute's determining module 620, is used for:
The live video stream and sharpness information of the target live video of different transcoding machine output according to the pre-stored data
Corresponding relationship and each main transcoding machine and standby transcoding machine transmission state, determine first sharpness information corresponding the
First live video stream of the target live video of one transcoding machine output.
Optionally, the server further includes screen capture module, is used for:
Obtain the screenshot in other live videos except the target live video；
The screenshot that will acquire is sent to the terminal.
Optionally, the transcoding machine is flv transcoding machine or hls transcoding machine.
Based on the same technical idea, the embodiment of the invention also provides a kind of terminals, as shown in fig. 7, the terminal packet
It includes:
Display module 710, preset a variety of sharpness informations for displaying target live video；
Sending module 720, for working as the selection received to the first sharpness information in a variety of sharpness informations
When instruction, the live streaming request of the target live video is sent to server, carries the first clarity in the live streaming request
Information；
Receiving module 730, for receiving the corresponding target live streaming of first sharpness information that the server is sent
First live video stream of video plays out first live video stream.
In the embodiment of the present invention, the live streaming request for the target live video that terminal is sent is received, is carried in live streaming request
First sharpness information, the live video stream of the target live video of different transcoding machine outputs according to the pre-stored data and clear
The corresponding relationship for spending information determines that the first of the target live video of the corresponding first transcoding machine output of the first sharpness information is straight
Broadcast video flowing, wherein the live video stream of the target live video of different transcoding machine output is different transcoding machine to target
Live video carries out the live video stream for the different clarity that transcoding obtains respectively, obtains the first live video stream, passes to terminal
Defeated first live video stream, so that terminal plays out the first live video stream.In this way, the target that different transcoding machines exports
The live video stream of live video has different clarity, and the terminal of different network environments can be according to the feelings of network bandwidth
Condition plays the video for being suitble to the clarity of current network bandwidth, the case where to reduce video frame abnormal transmission, reduces in video
Hold loss of learning, it is thus possible to improve the efficiency of acquisition of information.
Example IV
Based on the same technical idea, described the embodiment of the invention also provides a kind of system for transmitting live video stream
System includes server and terminal, in which:
The terminal, preset a variety of sharpness informations for displaying target live video；When receiving to described more
When the selection instruction of the first sharpness information in kind sharpness information, the target live video is sent to the server
Live streaming is requested, and carries the first sharpness information in the live streaming request；It is clear to receive the server is sent described first
The first live video stream for spending the corresponding target live video of information, plays out first live video stream；
The server, for receiving the live streaming request for the target live video that the terminal is sent, the live streaming request
In carry the first sharpness information；The live video of the target live video of different transcoding machine output according to the pre-stored data
The corresponding relationship of stream and sharpness information determines the target live streaming of the corresponding first transcoding machine output of first sharpness information
First live video stream of video；First live video stream is obtained, to the first live video stream described in the terminal transmission,
So that the terminal plays out first live video stream；Wherein, the target live streaming of the different transcoding machine output
The live video stream of video is different transcoding machine and carries out the different clarity that transcoding obtains respectively to the target live video
Live video stream.
In the embodiment of the present invention, the live streaming request for the target live video that terminal is sent is received, is carried in live streaming request
First sharpness information, the live video stream of the target live video of different transcoding machine outputs according to the pre-stored data and clear
The corresponding relationship for spending information determines that the first of the target live video of the corresponding first transcoding machine output of the first sharpness information is straight
Broadcast video flowing, wherein the live video stream of the target live video of different transcoding machine output is different transcoding machine to target
Live video carries out the live video stream for the different clarity that transcoding obtains respectively, obtains the first live video stream, passes to terminal
Defeated first live video stream, so that terminal plays out the first live video stream.In this way, the target that different transcoding machines exports
The live video stream of live video has different clarity, and the terminal of different network environments can be according to the feelings of network bandwidth
Condition plays the video for being suitble to the clarity of current network bandwidth, the case where to reduce video frame abnormal transmission, reduces in video
Hold loss of learning, it is thus possible to improve the efficiency of acquisition of information.
Embodiment five
Fig. 8 is the structural schematic diagram of server provided in an embodiment of the present invention.The server 1900 can be because of configuration or performance
It is different and generate bigger difference, it may include one or more central processing units (central processing
Units, CPU) 1922 (for example, one or more processors) and memory 1932, one or more storage applications
The storage medium 1930 (such as one or more mass memory units) of program 1942 or data 1944.Wherein, memory
1932 and storage medium 1930 can be of short duration storage or persistent storage.The program for being stored in storage medium 1930 may include one
A or more than one module (diagram does not mark), each module may include to the series of instructions operation in server.More into
One step, central processing unit 1922 can be set to communicate with storage medium 1930, execute storage medium on server 1900
Series of instructions operation in 1930.
Server 1900 can also include one or more power supplys 1926, one or more wired or wireless nets
Network interface 1950, one or more input/output interfaces 1958, one or more keyboards 1956, and/or, one or
More than one operating system 1941, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM
Etc..
Server 1900 may include have memory and one perhaps more than one program one of them or one
A procedure above is stored in memory, and is configured to execute one or one by one or more than one processor
A procedure above includes the instruction for performing the following operation:
The live streaming request for the target live video that terminal is sent is received, carries the first clarity letter in the live streaming request
Breath；
The live video stream and sharpness information of the target live video of different transcoding machine output according to the pre-stored data
Corresponding relationship, determine the first live streaming of the target live video of first sharpness information corresponding first transcoding machine output
Video flowing；
First live video stream is obtained, to the first live video stream described in the terminal transmission, so that the terminal
First live video stream is played out；
Wherein, the live video stream of the target live video of the different transcoding machine output, is different transcoding machine pair
The target live video carries out the live video stream for the different clarity that transcoding obtains respectively.
Optionally, the target live streaming that each sharpness information is corresponding with a main transcoding machine output in the corresponding relationship regards
The live video stream of the live video stream of frequency and the target live video of a standby transcoding machine output；
The live video stream and clarity of the target live video of the different transcoding machine output according to the pre-stored data
The corresponding relationship of information determines the first of the target live video of the corresponding first transcoding machine output of first sharpness information
Live video stream, comprising:
The live video stream and sharpness information of the target live video of different transcoding machine output according to the pre-stored data
Corresponding relationship and each main transcoding machine and standby transcoding machine transmission state, determine first sharpness information corresponding the
First live video stream of the target live video of one transcoding machine output.
Optionally, the method also includes:
Obtain the screenshot in other live videos except the target live video；
The screenshot that will acquire is sent to the terminal.
Optionally, the transcoding machine is flv transcoding machine or hls transcoding machine.
In the embodiment of the present invention, the live streaming request for the target live video that terminal is sent is received, is carried in live streaming request
First sharpness information, the live video stream of the target live video of different transcoding machine outputs according to the pre-stored data and clear
The corresponding relationship for spending information determines that the first of the target live video of the corresponding first transcoding machine output of the first sharpness information is straight
Broadcast video flowing, wherein the live video stream of the target live video of different transcoding machine output is different transcoding machine to target
Live video carries out the live video stream for the different clarity that transcoding obtains respectively, obtains the first live video stream, passes to terminal
Defeated first live video stream, so that terminal plays out the first live video stream.In this way, the target that different transcoding machines exports
The live video stream of live video has different clarity, and the terminal of different network environments can be according to the feelings of network bandwidth
Condition plays the video for being suitble to the clarity of current network bandwidth, the case where to reduce video frame abnormal transmission, reduces in video
Hold loss of learning, it is thus possible to improve the efficiency of acquisition of information.
Embodiment six
Referring to FIG. 9, it illustrates, with the terminal structure schematic diagram of touch sensitive surface, be somebody's turn to do involved in the embodiment of the present invention
The method for the transmission live video stream that terminal can be used for implementing providing in above-described embodiment.Specifically:
Terminal 900 may include RF (Radio Frequency, radio frequency) circuit 110, include one or more meter
The memory 120 of calculation machine readable storage medium storing program for executing, input unit 130, display unit 140, sensor 150, voicefrequency circuit 160,
WiFi (wireless fidelity, Wireless Fidelity) module 170, the processing for including one or more than one processing core
The components such as device 180 and power supply 190.It will be understood by those skilled in the art that terminal structure shown in Fig. 9 is not constituted pair
The restriction of terminal may include perhaps combining certain components or different component cloth than illustrating more or fewer components
It sets.Wherein:
RF circuit 110 can be used for receiving and sending messages or communication process in, signal sends and receivees, particularly, by base station
After downlink information receives, one or the processing of more than one processor 180 are transferred to；In addition, the data for being related to uplink are sent to
Base station.In general, RF circuit 110 includes but is not limited to antenna, at least one amplifier, tuner, one or more oscillators, uses
Family identity module (SIM) card, transceiver, coupler, LNA (Low Noise Amplifier, low-noise amplifier), duplex
Device etc..In addition, RF circuit 110 can also be communicated with network and other equipment by wireless communication.The wireless communication can make
With any communication standard or agreement, and including but not limited to GSM (Global System of Mobile communication, entirely
Ball mobile communcations system), GPRS (General Packet Radio Service, general packet radio service), CDMA (Code
Division Multiple Access, CDMA), WCDMA (Wideband Code Division Multiple
Access, wideband code division multiple access), 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 memory 120 by operation
Software program and module, thereby executing various function application and data processing.Memory 120 can mainly include storage journey
Sequence area and storage data area, wherein storing program area can the (ratio of application program needed for storage program area, at least one function
Such as sound-playing function, image player function) etc.；Storage data area, which can be stored, uses created number according to terminal 900
According to (such as audio data, phone directory etc.) etc..In addition, memory 120 may include high-speed random access memory, can also wrap
Include nonvolatile memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Correspondingly, memory 120 can also include Memory Controller, to provide processor 180 and input unit 130 to memory
120 access.
Input unit 130 can be used for receiving the number or character information of input, and generate and user setting and function
Control related keyboard, mouse, operating stick, optics or trackball signal input.Specifically, input unit 130 may include touching
Sensitive surfaces 131 and other input equipments 132.Touch sensitive surface 131, also referred to as touch display screen or Trackpad are collected and are used
Family on it or nearby touch operation (such as user using any suitable object or attachment such as finger, stylus in touch-sensitive table
Operation on face 131 or near touch sensitive surface 131), and corresponding attachment device is driven according to preset formula.It is optional
, touch sensitive surface 131 may include both touch detecting apparatus and touch controller.Wherein, touch detecting apparatus detection is used
The touch orientation at family, and touch operation bring signal is detected, transmit a signal to touch controller；Touch controller is from touch
Touch information is received in detection device, and is converted into contact coordinate, then gives processor 180, and can receive processor 180
The order sent simultaneously is executed.Furthermore, it is possible to using multiple types such as resistance-type, condenser type, infrared ray and surface acoustic waves
Realize touch sensitive surface 131.In addition to touch sensitive surface 131, input unit 130 can also include other input equipments 132.Specifically,
Other input equipments 132 can include but is not limited to physical keyboard, function key (such as volume control button, switch key etc.),
One of trace ball, mouse, operating stick etc. are a variety of.
Display unit 140 can be used for showing information input by user or the information and terminal 900 that are supplied to user
Various graphical user interface, these graphical user interface can be made of figure, text, icon, video and any combination thereof.
Display unit 140 may include display panel 141, optionally, can use LCD (Liquid Crystal Display, liquid crystal
Show device), the forms such as OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) configure display panel
141.Further, touch sensitive surface 131 can cover display panel 141, when touch sensitive surface 131 detects touching on it or nearby
After touching operation, processor 180 is sent to determine the type of touch event, is followed by subsequent processing device 180 according to the type of touch event
Corresponding visual output is provided on display panel 141.Although touch sensitive surface 131 and display panel 141 are conducts in Fig. 9
Two independent components realize input and input function, but in some embodiments it is possible to by touch sensitive surface 131 and display
Panel 141 is integrated and realizes and outputs and inputs function.
Terminal 900 may also include at least one sensor 150, such as optical sensor, motion sensor and other sensings
Device.Specifically, optical sensor may include ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 141, and proximity sensor can close display when terminal 900 is moved in one's ear
Panel 141 and/or backlight.As a kind of motion sensor, gravity accelerometer can detect in all directions (generally
Three axis) acceleration size, can detect that size and the direction of gravity when static, can be used to identify mobile phone posture application (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；Extremely
In other sensors such as gyroscope, barometer, hygrometer, thermometer, the infrared sensors that terminal 900 can also configure, herein
It repeats no more.
Voicefrequency circuit 160, loudspeaker 161, microphone 162 can provide the audio interface between user and terminal 900.Audio
Electric signal after the audio data received conversion can be transferred to loudspeaker 161, be converted to sound by loudspeaker 161 by circuit 160
Sound signal output；On the other hand, the voice signal of collection is converted to electric signal by microphone 162, after being received by voicefrequency circuit 160
Audio data is converted to, then by after the processing of audio data output processor 180, such as another end is sent to through RF circuit 110
End, or audio data is exported to memory 120 to be further processed.Voicefrequency circuit 160 is also possible that earphone jack,
To provide the communication of peripheral hardware earphone Yu terminal 900.
WiFi belongs to short range wireless transmission technology, and terminal 900 can help user's transceiver electronics by WiFi module 170
Mail, browsing webpage and access streaming video etc., it provides wireless broadband internet access for user.Although Fig. 9 is shown
WiFi module 170, but it is understood that, and it is not belonging to must be configured into for terminal 900, it can according to need completely
Do not change in the range of the essence of invention and omits.
Processor 180 is the control centre of terminal 900, utilizes each portion of various interfaces and connection whole mobile phone
Point, by running or execute the software program and/or module that are stored in memory 120, and calls and be stored in memory 120
Interior data execute the various functions and processing data of terminal 900, to carry out integral monitoring to mobile phone.Optionally, processor
180 may include one or more processing cores；Preferably, processor 180 can integrate application processor and modem processor,
Wherein, the main processing operation system of application processor, user interface and application program etc., modem processor mainly handles nothing
Line communication.It is understood that above-mentioned modem processor can not also be integrated into processor 180.
Terminal 900 further includes the power supply 190 (such as battery) powered to all parts, it is preferred that power supply can pass through electricity
Management system and processor 180 are logically contiguous, to realize management charging, electric discharge and power consumption by power-supply management system
The functions such as management.Power supply 190 can also include one or more direct current or AC power source, recharging system, power supply event
Hinder the random components such as detection circuit, power adapter or inverter, power supply status indicator.
Although being not shown, terminal 900 can also include camera, bluetooth module etc., and details are not described herein.Specifically in this reality
It applies in example, the display unit of terminal 900 is touch-screen display, and terminal 900 further includes having memory and one or one
Above program, one of them perhaps more than one program be stored in memory and be configured to by one or one with
Upper processor execution states one or more than one program includes the instruction for performing the following operation:
Preset a variety of sharpness informations of displaying target live video；
When receiving the selection instruction to the first sharpness information in a variety of sharpness informations, sent out to server
It send the live streaming of the target live video to request, carries the first sharpness information in the live streaming request；
Receive the first live streaming view of the corresponding target live video of first sharpness information that the server is sent
Frequency flows, and plays out to first live video stream.
In the embodiment of the present invention, the live streaming request for the target live video that terminal is sent is received, is carried in live streaming request
First sharpness information, the live video stream of the target live video of different transcoding machine outputs according to the pre-stored data and clear
The corresponding relationship for spending information determines that the first of the target live video of the corresponding first transcoding machine output of the first sharpness information is straight
Broadcast video flowing, wherein the live video stream of the target live video of different transcoding machine output is different transcoding machine to target
Live video carries out the live video stream for the different clarity that transcoding obtains respectively, obtains the first live video stream, passes to terminal
Defeated first live video stream, so that terminal plays out the first live video stream.In this way, the target that different transcoding machines exports
The live video stream of live video has different clarity, and the terminal of different network environments can be according to the feelings of network bandwidth
Condition plays the video for being suitble to the clarity of current network bandwidth, the case where to reduce video frame abnormal transmission, reduces in video
Hold loss of learning, it is thus possible to improve the efficiency of acquisition of information.
It should be understood that it is provided by the above embodiment transmission live video stream device when transmitting live video stream,
Only the example of the division of the above functional modules, it in practical application, can according to need and by above-mentioned function distribution
It is completed by different functional modules, i.e., the internal structure of device is divided into different functional modules, it is described above to complete
All or part of function.In addition, the device of transmission live video stream provided by the above embodiment and transmission live video stream
Embodiment of the method belongs to same design, and specific implementation process is detailed in embodiment of the method, and which is not described herein again.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of method for transmitting live video stream, which is characterized in that the described method includes:
The live streaming request for the target live video that terminal is sent is received, carries the first sharpness information in the live streaming request；
The live video stream of the target live video of different transcoding machine output according to the pre-stored data and pair of sharpness information
It should be related to and the transmission state of each main transcoding machine and standby transcoding machine, determine that first sharpness information is first turn corresponding
First live video stream of the target live video of ink recorder output, wherein each sharpness information is corresponding in the corresponding relationship
The target live video that the live video stream of the target live video of one main transcoding machine output and a standby transcoding machine export
Live video stream, if the main transcoding machine transmission state is normal, using the live video stream of the main transcoding machine output as institute
State the first live video stream；If the main transcoding machine transmission state is abnormal, by the live video stream of the standby transcoding machine output
As first live video stream；
First live video stream is obtained, to the first live video stream described in the terminal transmission, so that the terminal is to institute
The first live video stream is stated to play out；
Wherein, the live video stream of the target live video of the different transcoding machine output, is different transcoding machine to described
Target live video carries out the live video stream for the different clarity that transcoding obtains respectively, and first sharpness information is user
The sharpness information selected in clarity selection window, the clarity selection window show a variety of different clarity letters
Breath.
2. the method according to claim 1, wherein the method also includes:
Obtain the screenshot in other live videos except the target live video；
The screenshot that will acquire is sent to the terminal.
3. the method according to claim 1, wherein the transcoding machine is flv transcoding machine or hls transcoding machine.
4. a kind of method for transmitting live video stream, which is characterized in that the described method includes:
Preset a variety of sharpness informations of displaying target live video；
When receiving the selection instruction to the first sharpness information in a variety of sharpness informations, institute is sent to server
The live streaming request of target live video is stated, carries the first sharpness information in the live streaming request；
The first live video stream of the corresponding target live video of first sharpness information that the server is sent is received,
First live video stream is played out；
Wherein, first sharpness information is the sharpness information that user selects in clarity selection window, described clear
Degree selection window shows a variety of different sharpness informations, and the server corresponds to each clarity and is respectively arranged with master turn
Ink recorder and a standby transcoding machine, if the main transcoding machine transmission state is normal, first live video stream is that the master turns
The live video stream of ink recorder output, if the main transcoding machine transmission state is abnormal, first live video stream is described standby
The live video stream of transcoding machine output.
5. a kind of server, which is characterized in that the server includes:
Receiving module, the live streaming request of the target live video for receiving terminal transmission, the live streaming request in carry the
One sharpness information；
Determining module, the live video stream of the target live video for different transcoding machine outputs according to the pre-stored data and clear
The corresponding relationship of clear degree information and the transmission state of each main transcoding machine and standby transcoding machine, determine first sharpness information
First live video stream of the target live video of corresponding first transcoding machine output, wherein each clear in the corresponding relationship
Degree information is corresponding with the live video stream of the target live video of a main transcoding machine output and the mesh of a standby transcoding machine output
The live video stream for marking live video, if the main transcoding machine transmission state is normal, by the live streaming of the main transcoding machine output
Video flowing is as first live video stream；If the main transcoding machine transmission state is abnormal, the standby transcoding machine is exported
Live video stream as first live video stream；
Transmission module, for obtaining first live video stream, to the first live video stream described in the terminal transmission, so that
The terminal plays out first live video stream；
Wherein, the live video stream of the target live video of the different transcoding machine output, is different transcoding machine to described
Target live video carries out the live video stream for the different clarity that transcoding obtains respectively, and first sharpness information is user
The sharpness information selected in clarity selection window, the clarity selection window show a variety of different clarity letters
Breath.
6. server according to claim 5, which is characterized in that the server further includes screen capture module, is used for:
Obtain the screenshot in other live videos except the target live video；
The screenshot that will acquire is sent to the terminal.
7. server according to claim 5, which is characterized in that the transcoding machine is flv transcoding machine or hls transcoding machine.
8. a kind of terminal, which is characterized in that the terminal includes:
Display module, preset a variety of sharpness informations for displaying target live video；
Sending module, for when receiving the selection instruction to the first sharpness information in a variety of sharpness informations,
The live streaming request of the target live video is sent to server, carries the first sharpness information in the live streaming request；
Receiving module, for receiving the of the corresponding target live video of first sharpness information that the server is sent
One live video stream plays out first live video stream；
Wherein, first sharpness information is the sharpness information that user selects in clarity selection window, described clear
Degree selection window shows a variety of different sharpness informations, and the server corresponds to each clarity and is respectively arranged with master turn
Ink recorder and a standby transcoding machine, if the main transcoding machine transmission state is normal, first live video stream is that the master turns
The live video stream of ink recorder output, if the main transcoding machine transmission state is abnormal, first live video stream is described standby
The live video stream of transcoding machine output.
9. a kind of system for transmitting live video stream, which is characterized in that the system comprises servers and terminal, in which:
The terminal, preset a variety of sharpness informations for displaying target live video；When receiving to described a variety of clear
When the selection instruction of the first sharpness information in clear degree information, the live streaming of the target live video is sent to the server
It requests, carries the first sharpness information in the live streaming request；Receive first clarity letter that the server is sent
The first live video stream for ceasing corresponding target live video plays out first live video stream；
The server is taken in the live streaming request for receiving the live streaming request for the target live video that the terminal is sent
With the first sharpness information；The live video stream of the target live video of different transcoding machine output according to the pre-stored data with
The transmission state of the corresponding relationship of sharpness information and each main transcoding machine and standby transcoding machine determines the first clarity letter
The first live video stream of the target live video of corresponding first transcoding machine output is ceased, wherein each clear in the corresponding relationship
Clear degree information be corresponding with the target live video of a main transcoding machine output live video stream and standby transcoding machine output
The live video stream of target live video, if the main transcoding machine transmission state is normal, by the straight of the main transcoding machine output
Video flowing is broadcast as first live video stream；If the main transcoding machine transmission state is abnormal, and the standby transcoding machine is defeated
Live video stream out is as first live video stream；First live video stream is obtained, to the terminal transmission institute
The first live video stream is stated, so that the terminal plays out first live video stream；Wherein, the different transcoding
The live video stream of the target live video of machine output, is different transcoding machine and carries out transcoding respectively to the target live video
The live video stream of obtained different clarity；
Wherein, first sharpness information is the sharpness information that user selects in clarity selection window, described clear
Degree selection window shows a variety of different sharpness informations.
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| CN109525802A (en) * | 2018-11-27 | 2019-03-26 | 平安科技（深圳）有限公司 | A kind of video stream transmission method and device |
| CN111314706B (en) * | 2018-12-11 | 2023-08-25 | 阿里巴巴集团控股有限公司 | Video transcoding method and device |
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| CN111432214A (en) * | 2020-04-02 | 2020-07-17 | 深圳亿维锐创科技股份有限公司 | H5 live video-based self-adaptive dynamic transcoding technology |
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