CN106412676A - Video code stream switching method and device, and electronic device - Google Patents
Video code stream switching method and device, and electronic device Download PDFInfo
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- CN106412676A CN106412676A CN201610921859.5A CN201610921859A CN106412676A CN 106412676 A CN106412676 A CN 106412676A CN 201610921859 A CN201610921859 A CN 201610921859A CN 106412676 A CN106412676 A CN 106412676A
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- 238000000034 method Methods 0.000 title claims abstract description 74
- 230000015654 memory Effects 0.000 claims description 91
- 238000004891 communication Methods 0.000 claims description 4
- 230000005055 memory storage Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000004590 computer program Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000001052 transient effect Effects 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
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Classifications
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
-
- 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
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440281—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the temporal resolution, e.g. by frame skipping
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention discloses a video code stream switching method and device, and an electronic device. In the method, after the code stream switching operation of the current video is received, obtaining the play information of a target code stream to be switched, and obtaining the play address of the target code stream according to the play information; and in the playing process of the current code stream, caching the target code stream, and switching to the target code stream for playing after the target transmission stream TS stream in the current code stream completes playing, wherein the target transmission stream TS stream is the TS stream be playing in the current code stream when the cache value of the target code stream reaches a preset cache value. According to the scheme, the video code stream switching method and device, and the electronic device can realize the video code stream switching, and the switching process cannot interrupt the video playing so as to solve the problem that the code stream can be interrupted at switching to influence the user watching experience in the prior art.
Description
Technical field
The present embodiments relate to technical field of electronic equipment, the bitstreams switching method of more particularly, to a kind of video, device
And electronic equipment.
Background technology
Video be a kind of by the generally accepted communication form of users, have a wide range of applications.For example, user is in leisure
Time can enrich the entertainment life of oneself by the video of viewing amusement class, in addition, user can also watch regarding of teaching class
Frequently, multiple knowledge are obtained.
At present, user generally watches video using the mode of client access server, and for example, user can be visited by mobile phone
Ask happy view station, the video that the happy view station of viewing provides.Watch the demand of video in order to meet user, each server is often
User provides the code stream of various ways, such as SD, high definition and super clear etc., in video playback, server according to the selection of user,
Code stream to the corresponding form of client feedback.Wherein, user is higher to the definition requirement of video, then super clear form may be selected
Code stream；If user requires higher, the code stream of optional SD form to the fluency of video.
But, by the research to prior art, inventor finds, user during viewing video it is sometimes desirable to
Switching code stream, often interrupts the playing process of video after handover.For example, video playback for a period of time after, user wishes
The higher video of viewing definition, and currently playing video is SD form, then can be by operating to client, by code
Stream switches to high definition form or super clear form by SD form, and after bitstreams switching, a period of time is temporarily interrupted in video council, impact
The viewing experience of user.
Content of the invention
Bitstreams switching method, device and the electronic equipment of a kind of video is provided in the embodiment of the present invention, existing to solve
In technology, switching code stream can interrupt the problem of the playing process of video.
The embodiment of the invention discloses following technical scheme：
In a first aspect, embodiments providing a kind of bitstreams switching method of video, including：
After receiving the bitstreams switching operation of current video, obtain the broadcast information of to be switched target code stream；
According to the broadcast information of described target code stream, obtain the broadcast address of described target code stream, and in current code stream
In playing process, by accessing the broadcast address of described target code stream, cache described target code stream；
After the target transmitting stream TS stream broadcasting in described current code stream finishes, switch to described target code stream and play,
Wherein, when the cache size that described target transmitting stream TS flows for described target code stream reaches preset buffer memory value, in described current code stream
The TS stream play.
By the bitstreams switching method of video provided in an embodiment of the present invention, it is capable of the bitstreams switching of video, and,
Handoff procedure will not break of video be play, thus solving in prior art, code stream occurs interruption in switching, affects user
The problem of viewing experience.
Optionally, described switch to described target code stream and play before, also include：
Determine the preset buffer memory value of described target code stream.
Optionally, the described preset buffer memory value determining described target code stream, including：
The setting operation of order caching value, and the preset buffer memory of described target code stream is determined according to the setting operation of described cache size
Value.
By this step, described preset buffer memory value can be determined according to the operation of user, thus meeting user's request.
Optionally, the described preset buffer memory value determining described target code stream, including：
According to the broadcast information of described target code stream, determine the capacity of described target code stream；
Capacity according to described target code stream and current network state, calculate the feelings in smooth broadcasting for the described target code stream
Under condition, need the capacity of the target code stream of caching, and using the capacity of the described target code stream needing caching as described object code
The preset buffer memory value of stream.
By this step, the preset buffer memory value of the target code stream getting can be made to meet current network state.Wherein,
If current network state is preferably, network speed is very fast, then the capacity of the described target code stream needing caching is less, i.e. described target code stream
Preset buffer memory value less, the preset buffer memory value of target code stream in this case, can be reached within a short period of time, then can use up
Complete the switching of code stream soon；If current network state is poor, network is slower, then described need caching target code stream capacity relatively
Greatly, that is, the preset buffer memory value of described target code stream is larger, and guarantee switches to after object code stream plays out, target code stream energy
Enough smooth broadcastings.
Optionally, if comprising two or more broadcast address in the broadcast information of described target code stream, the described mesh of described acquisition
The broadcast address of coding stream, including：
Obtain the IP address of electronic equipment；
According to described IP address, select the described target speed bit stream of feedback the fastest from described two above broadcast address
Broadcast address, and determine the broadcasting ground that the described target speed bit stream of described feedback broadcast address the fastest is described target code stream
Location.
By above-mentioned steps, in the case of two or more broadcast address being comprised in the broadcast information of target code stream,
Select wherein feedback target speed bit stream highest broadcast address, thus improving the speed that electronic equipment obtains target code stream.
Optionally, after described target transmitting stream TS stream broadcasting in described current code stream finishes, switch to described target
Code stream is simultaneously play, including：
Set described target transmitting stream TS and flow and flow for corresponding t-th TS of described current video, in described current code stream
Target transmitting stream TS stream broadcasting finish after, search (t+1) the individual TS stream in the described target code stream of caching, and play described
(t+1) individual TS stream in target code stream.
For same video, different code streams usually contain the TS stream of equal number.Target TS stream in current code stream is broadcast
Discharge after finishing, illustrate that t-th TS stream broadcasting of current video finishes.In this case, (t+1) that play in target code stream is individual
TS flows, and can ensure the smoothness of current video and complete broadcasting.
Second aspect, embodiments provides a kind of bitstreams switching device of video, including：
Broadcast information acquisition module, after the bitstreams switching for receiving current video operates, obtains to be switched target
The broadcast information of code stream；
Target code stream cache module, for the broadcast information according to described target code stream, obtains broadcasting of described target code stream
Put address, and in the playing process of current code stream, by accessing the broadcast address of described target code stream, cache described object code
Stream；
Target code stream handover module, for, after the target transmitting stream TS stream broadcasting in described current code stream finishes, switching
To described target code stream playing, wherein, the cache size that described target transmitting stream TS flows for described target code stream reaches default slow
When depositing value, the TS playing in described current code stream flows.
By the bitstreams switching device of video provided in an embodiment of the present invention, it is capable of the bitstreams switching of video, and,
Handoff procedure will not break of video be play, thus solving in prior art, code stream occurs interruption in switching, affects user
The problem of viewing experience.
Optionally, also include：
Preset buffer memory value determining module, for, before switching to described target code stream and playing, determining described object code
The preset buffer memory value of stream.
Optionally, described target code stream handover module includes：
First determining unit, arranges operation for order caching value, and according to the setting operation of described cache size determines
The preset buffer memory value of target code stream.
By this module, described preset buffer memory value can be determined according to the operation of user, thus meeting user's request.
Optionally, described target code stream handover module includes：
Capacity determining unit, for the broadcast information according to described target code stream, determines the capacity of described target code stream；
Second determining unit, for the capacity according to described target code stream and current network state, calculates described target
Code stream, in the case of smooth broadcasting, needs the capacity of the target code stream of caching, and by the described target code stream needing caching
Capacity is as the preset buffer memory value of described target code stream.
By this device, the preset buffer memory value of the target code stream getting can be made to meet current network state.Wherein,
If current network state is preferably, network speed is very fast, then the capacity of the described target code stream needing caching is less, i.e. described target code stream
Preset buffer memory value less, the preset buffer memory value of target code stream in this case, can be reached within a short period of time, then can use up
Complete the switching of code stream soon；If current network state is poor, network is slower, then described need caching target code stream capacity relatively
Greatly, that is, the preset buffer memory value of described target code stream is larger, and guarantee switches to after object code stream plays out, target code stream energy
Enough smooth broadcastings.
Optionally, if comprising two or more broadcast address in the broadcast information of described target code stream, described target code stream delays
Storing module includes：
IP address acquiring unit, for obtaining the IP address of electronic equipment；
Broadcast address determining unit, for according to described IP address, selecting feedback from described two above broadcast address
Described target speed bit stream broadcast address the fastest, and determine that described described target speed bit stream broadcast address the fastest of feeding back is
The broadcast address of described target code stream.
Optionally, set described target transmitting stream TS to flow for described current video corresponding t-th TS stream, described object code
Stream handover module is used for, and after the target transmitting stream TS stream broadcasting in described current code stream finishes, searches the described target of caching
(t+1) individual TS stream in code stream, and play (t+1) the individual TS stream in described target code stream.
For same video, different code streams usually contain the TS stream of equal number.Target TS stream in current code stream is broadcast
Discharge after finishing, illustrate that t-th TS stream broadcasting of current video finishes.In this case, (t+1) that play in target code stream is individual
TS flows, and can ensure the smoothness of current video and complete broadcasting.
The third aspect, embodiments provides a kind of electronic equipment, including：
At least one processor；And,
The memory being connected with least one processor communication described；Wherein,
Described memory storage have can by the instruction of one computing device, described instruction by by described at least one
Computing device, so that at least one processor described can：
After receiving the bitstreams switching operation of current video, obtain the broadcast information of to be switched target code stream；
According to the broadcast information of described target code stream, obtain the broadcast address of described target code stream, and in current code stream
In playing process, by accessing the broadcast address of described target code stream, cache described target code stream；
After the target transmitting stream TS stream broadcasting in described current code stream finishes, switch to described target code stream and play,
Wherein, when the cache size that described target transmitting stream TS flows for described target code stream reaches preset buffer memory value, in described current code stream
The TS stream play.
Fourth aspect, the embodiment of the present invention additionally provides a kind of non-transient computer readable storage medium storing program for executing, described non-transient
Computer-readable recording medium storage computer instruction, described computer instruction is used for making described computer execute above-mentioned first party
The bitstreams switching method of the described video that any one embodiment of face provides.
5th aspect, the embodiment of the present invention additionally provides a kind of computer program, described computer program bag
Include the calculation procedure being stored on non-transient computer readable storage medium storing program for executing, described computer program includes programmed instruction, works as institute
When stating programmed instruction and being computer-executed, so that described computer is executed, that any one embodiment of above-mentioned first aspect provides is described
The bitstreams switching method of video.
Technical scheme provided in an embodiment of the present invention can include following beneficial effect：
The embodiment of the present invention discloses a kind of bitstreams switching method, device and the electronic equipment of video.In the program, receiving
After operating to the bitstreams switching for current video, obtain the broadcast information of to be switched target code stream, and believed according to this broadcasting
Breath, obtains the broadcast address of target code stream, in the playing process of current code stream, caches described target code stream, and works as described
After target transmitting stream TS stream broadcasting in front code stream finishes, switch to described target code stream and play, wherein, described target transmission
When the cache size that stream TS flows for described target code stream reaches preset buffer memory value, the TS playing in described current code stream flows.Logical
Cross the program, be capable of the bitstreams switching of video, and, handoff procedure will not break of video be play, thus solving existing
In technology, code stream occurs interruption, the problem of impact user's viewing experience in switching.
It should be appreciated that above general description and detailed description hereinafter are only exemplary and explanatory, not
The present invention can be limited.
Brief description
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the enforcement meeting the present invention
Example, and be used for explaining the principle of the present invention together with specification.
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, for those of ordinary skill in the art
Speech, without having to pay creative labor, can also obtain other accompanying drawings according to these accompanying drawings.
The picture that one or more embodiments are passed through in corresponding accompanying drawing is illustrative, these exemplary theorys
Bright do not constitute the restriction to embodiment, the element in accompanying drawing with same reference numbers label is expressed as similar element, removes
Non- have special statement, and composition does not limit the figure in accompanying drawing.
Fig. 1 is a kind of application scenarios schematic diagram of the bitstreams switching method of video provided in an embodiment of the present invention；
Fig. 2 is a kind of workflow schematic diagram of the bitstreams switching method of video provided in an embodiment of the present invention；
Fig. 3 is the workflow schematic diagram of the bitstreams switching method of another video provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of the bitstreams switching device of video provided in an embodiment of the present invention；
Fig. 5 is the structural representation of a kind of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
Here will in detail exemplary embodiment be illustrated, its example is illustrated in the accompanying drawings.Explained below is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the present invention.On the contrary, they be only with such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, the present invention.
The embodiment of the present invention discloses a kind of bitstreams switching method, device and the electronic equipment of video, to solve prior art
In, switching code stream can interrupt the problem of the playing process of video.
Wherein, the bitstreams switching method and apparatus of embodiment of the present invention video is applied to electronic equipment, shown in Figure 1
Schematic diagram of a scenario, Fig. 1 includes electronic equipment 100 server 200, wherein, described electronic equipment 100 can by network with
Server 200 is communicated, and realizes the broadcasting of video, and for example, electronic equipment 100 passes through network and sends request to server 200
Information, the server 200 receiving solicited message feeds back corresponding video code flow, electronic equipment 100 to described electronic equipment 100
After the feedback receiving server 200, play video.
In addition, in FIG, described electronic equipment 100 is smart mobile phone, in practical application scene, described electronic equipment
Can also be other species, such as panel computer, intelligent television and computer etc., the embodiment of the present invention does not limit to this.
First embodiment of the invention discloses a kind of bitstreams switching method of video, and workflow shown in Figure 2 is illustrated
Figure, the bitstreams switching method of described video comprises the following steps：
Step S11, receive the bitstreams switching operation of current video after, obtain the broadcasting letter of to be switched target code stream
Breath.
Wherein, electronic equipment, can be by network to service after receiving the bitstreams switching operation to current video for the user
The solicited message of device transmission code stream switching.Server, after receiving the solicited message of this bitstreams switching, can pass to electronic equipment
The broadcast information of defeated corresponding target code stream, so that electronic equipment obtains the broadcast information of to be switched target code stream.
In the broadcast information of described target code stream, at least include the broadcast address of described target code stream, furthermore it is also possible to bag
Include the information such as collection number, duration and/or the capacity of described target code stream, the embodiment of the present invention does not limit to this.
Step S12, the broadcast information according to described target code stream, obtain the broadcast address of described target code stream, and are working as
In the playing process of front code stream, by accessing the broadcast address of described target code stream, cache described target code stream.
In the broadcast information of described target code stream, including the broadcast address of described target code stream, by searching described mesh
The broadcast information of coding stream, you can obtain the broadcast address of described target code stream, then by accessing this broadcast address, you can by mesh
Coding stream caches to electronic equipment.
Step S13, after the target transmitting stream TS stream broadcasting in described current code stream finishes, switch to described target code stream
And play, wherein, when cache size that described target transmitting stream TS flows for described target code stream reaches preset buffer memory value, described current
The TS stream play in code stream.
In the embodiment of the present invention, it is that target code stream arranges corresponding preset buffer memory value.When target code stream is in electronic equipment
Cache size reach during preset buffer memory value it is generally recognized that target code stream can achieve smooth play, be not in Caton phenomenon.
In addition, when server is to electronic equipment target code stream, generally according to TS (transport stream, transmission
Stream) form that flows is transmitted.Accordingly, electronic equipment caches described target code stream in the form of TS stream.And, electronic equipment
By playing the form of each TS stream successively, realize the broadcasting of video.
After the cache size of described target code stream reaches preset buffer memory value, electronic equipment is checked in current code stream and is broadcast
Whether the target TS stream put finishes, if not finishing, waiting until that described target TS stream broadcasting finishes, then switching to mesh
Coding stream is simultaneously play.
The embodiment of the present invention discloses a kind of bitstreams switching method of video.In the method, receiving for current video
Bitstreams switching operation after, obtain the broadcast information of to be switched target code stream, and according to this broadcast information, obtain target code stream
Broadcast address, in the playing process of current code stream, cache described target code stream, and target in described current code stream pass
After sending stream TS stream broadcasting to finish, switch to described target code stream and play, wherein, described target transmitting stream TS flows for described target
When the cache size of code stream reaches preset buffer memory value, the TS playing in described current code stream flows.By the program, it is capable of
The bitstreams switching of video, and, handoff procedure will not break of video play, thus solving in prior art, code stream switching
When interruption occur, the problem of impact user's viewing experience.
Another embodiment of the present invention discloses a kind of bitstreams switching method of video, in the method, described in described switching to
Target code stream before playing, also includes：Determine the preset buffer memory value of described target code stream.Specifically, can be found in shown in Fig. 3
Workflow schematic diagram, wherein, the method comprises the following steps：
Step S21, receive the bitstreams switching operation of current video after, obtain the broadcasting letter of to be switched target code stream
Breath.
Step S22, the broadcast information according to described target code stream, obtain the broadcast address of described target code stream, and are working as
In the playing process of front code stream, by accessing the broadcast address of described target code stream, cache described target code stream.
Wherein, step S21 is identical with the operating process of step S11 to step S12 to the operating process of step S22, can phase
Mutually reference, here is omitted.
Step S23, determine the preset buffer memory value of described target code stream.
Wherein, the preset buffer memory value of described target code stream can determine in several ways.
Step S24, after the target transmitting stream TS stream broadcasting in described current code stream finishes, switch to described target code stream
And play, wherein, when cache size that described target transmitting stream TS flows for described target code stream reaches preset buffer memory value, described current
The TS stream play in code stream.
Wherein, the operating process of step S24 and the operating process of step S13 are identical, can be cross-referenced, no longer superfluous herein
State.
In addition, in the description of above-mentioned steps S21 to step S24, and in the workflow schematic diagram shown in Fig. 3,
After caching described target code stream, just execution determines the preset buffer memory value of described target code stream.In actual mechanical process, this step
As long as operating before step S24, the embodiment of the present invention does not limit to this.
Wherein, the preset buffer memory value of described target code stream can in the embodiment of the present invention, be determined in several ways.Wherein
In a kind of mode, the described preset buffer memory value determining described target code stream, including：The setting operation of order caching value, and according to institute
State the preset buffer memory value that cache size setting operation determines described target code stream.
In this case, user can arrange described default to electronic equipment execution cache size setting operation by this operation
Cache size.For example, by the cache size setting operation of user, described preset buffer memory value can be set and flow as 20 TS, then object code
When stream cache size in the electronic device reaches 20 TS stream, determine that the cache size of target code stream reaches preset buffer memory value.
In addition, after receiving cache size setting operation, this cache size can also be stored and arranges the default slow of operation instruction
Deposit value, in this case, when needing the preset buffer memory value obtaining target code stream every time, by searching the institute of storage in memory space
State preset buffer memory value.
By this way, described preset buffer memory value can be determined according to the operation of user, thus meeting user's request.
In another mode, the described preset buffer memory value determining described target code stream, comprise the following steps：
First, the broadcast information according to described target code stream, determines the capacity of described target code stream.
Then, the capacity according to described target code stream and current network state, calculates described target code stream and broadcasts smooth
In the case of putting, need the capacity of the target code stream of caching, and using the capacity of the described target code stream needing caching as described
The preset buffer memory value of target code stream.
In this kind of mode, comprise the capacity of described target code stream in described broadcast information.In the capacity obtaining target code stream
Afterwards, need the capacity according to described target code stream and current network state, calculate the feelings in smooth broadcasting for the described target code stream
Under condition, need the capacity of the target code stream of caching.Wherein, if current network state preferably, network speed is very fast, then described need to cache
Target code stream capacity less, that is, described target code stream preset buffer memory value less, in this case, can be in the short period
Inside reach the preset buffer memory value of target code stream, then can complete the switching of code stream as early as possible；If current network state is poor, network is relatively
Slowly, then the capacity of the described target code stream needing caching is larger, and that is, the preset buffer memory of described target code stream is worth larger, guarantee
Switch to after object code stream plays out, target code stream can smooth be play.
By this way, the preset buffer memory value that can make the target code stream getting meets current network state.
Further, in scheme disclosed in the embodiment of the present invention, need to obtain the broadcast address of target code stream.Wherein,
If comprising two or more broadcast address in the broadcast information of described target code stream, the broadcasting ground of the described target code stream of described acquisition
Location, including：
First, obtain the IP address of electronic equipment；
Then, according to described IP address, select to feed back described target speed bit stream from described two above broadcast address
Broadcast address the fastest, and determine that described described target speed bit stream broadcast address the fastest of feeding back is broadcasting of described target code stream
Put address.
In the broadcast information of the target code stream that server feeds back to electronic equipment, comprise the broadcast address of target code stream, have
In the case of a little, in broadcast information, comprise plural broadcast address.In order to choose more suitable broadcast address, need to obtain
The IP address of electronic equipment, then according to this IP address, searches from described two above broadcast address and feeds back described object code
Flow fastest broadcast address, as the broadcast address of described target code stream.
For example, if according to the IP address of electronic equipment, determine that electronic equipment region is New York, and described broadcast information
In the broadcast address that comprises be respectively the broadcast address of New York server and the address of Beijing server, in this case, often
Apart from the near server in electronic equipment region to the speed of electronic equipment feedback target code stream it is determined that New York services
The broadcast address of device is the broadcast address of target code stream.
By above-mentioned steps, in the case of two or more broadcast address being comprised in the broadcast information of target code stream,
Select wherein feedback target speed bit stream highest broadcast address, thus improving the speed that electronic equipment obtains target code stream.
Further, in embodiments of the present invention, disclose after the target TS stream broadcasting in current code stream finishes, switching
To described target code stream and the operation play.Wherein, described target transmitting stream TS stream broadcasting in described current code stream finishes
Afterwards, switch to described target code stream and play, including：
Set described target transmitting stream TS and flow and flow for corresponding t-th TS of described current video, in described current code stream
Target transmitting stream TS stream broadcasting finish after, search (t+1) the individual TS stream in the described target code stream of caching, and play described
(t+1) individual TS stream in target code stream.
For same video, different code streams usually contain the TS stream of equal number.Target TS stream in current code stream is broadcast
Discharge after finishing, illustrate that t-th TS stream broadcasting of current video finishes.In this case, (t+1) that play in target code stream is individual
TS flows, and can ensure the smoothness of current video and complete broadcasting.
Accordingly, the embodiment of the present invention is also disclosed a kind of bitstreams switching device of video.Structural representation shown in Figure 4
Figure, the bitstreams switching device of described video includes：Broadcast information acquisition module 110, target code stream cache module 120 and object code
Stream handover module 130.
Wherein, described broadcast information acquisition module 110, after the bitstreams switching for receiving current video operates, obtains
The broadcast information of to be switched target code stream.
Wherein, electronic equipment, can be by network to service after receiving the bitstreams switching operation to current video for the user
The solicited message of device transmission code stream switching.Server, after receiving the solicited message of this bitstreams switching, can pass to electronic equipment
The broadcast information of defeated corresponding target code stream, so that electronic equipment obtains the broadcast information of to be switched target code stream.
In addition, in the broadcast information of described target code stream, at least including the broadcast address of described target code stream, can also wrap
Include the information such as collection number, duration and/or the capacity of described target code stream, the embodiment of the present invention does not limit to this.
Described target code stream cache module 120, for the broadcast information according to described target code stream, obtains described object code
The broadcast address of stream, and in the playing process of current code stream, by accessing the broadcast address of described target code stream, caching is described
Target code stream.
In the broadcast information of described target code stream, including the broadcast address of described target code stream, by searching described mesh
The broadcast information of coding stream, you can obtain the broadcast address of described target code stream, then by accessing this broadcast address, you can by mesh
Coding stream caches to electronic equipment.
Described target code stream handover module 130, finishes for the target transmitting stream TS stream broadcasting in described current code stream
Afterwards, switch to described target code stream and play, wherein, the cache size that described target transmitting stream TS flows for described target code stream reaches
During preset buffer memory value, the TS playing in described current code stream flows.
In the embodiment of the present invention, it is that target code stream arranges corresponding preset buffer memory value.When target code stream is in electronic equipment
Cache size reach during preset buffer memory value it is generally recognized that target code stream can achieve smooth play, be not in Caton phenomenon.
In addition, when server is to electronic equipment target code stream, generally according to TS (transport stream, transmission
Stream) form that flows is transmitted.Accordingly, electronic equipment caches described target code stream in the form of TS stream.And, electronic equipment
By playing the form of each TS stream successively, realize the broadcasting of video.
After the cache size of described target code stream reaches preset buffer memory value, electronic equipment is checked in current code stream and is broadcast
Whether the target TS stream put finishes, if not finishing, waits until that described target TS stream broadcasting finishes, then plays described
Target code stream.
By the bitstreams switching device of video disclosed in the embodiment of the present invention, it is capable of the bitstreams switching of video, and,
Handoff procedure will not break of video be play, thus solving in prior art, code stream occurs interruption in switching, affects user
The problem of viewing experience.
Further, the bitstreams switching device of described video also includes：
Preset buffer memory value determining module, for, before switching to described target code stream and playing, determining described object code
The preset buffer memory value of stream.
Wherein, described preset buffer memory value determining module can be realized by various ways.
Wherein in a kind of form, described target code stream handover module includes：
First determining unit, arranges operation for order caching value, and according to the setting operation of described cache size determines
The preset buffer memory value of target code stream.
In this case, user can arrange described default to electronic equipment execution cache size setting operation by this operation
Cache size.For example, by the cache size setting operation of user, described preset buffer memory value can be set and flow as 20 TS, then object code
When stream cache size in the electronic device reaches 20 TS stream, determine that the cache size of target code stream reaches preset buffer memory value.
In another form, described target code stream handover module includes：
Capacity determining unit, for the broadcast information according to described target code stream, determines the capacity of described target code stream；
Second determining unit, for the capacity according to described target code stream and current network state, calculates described target
Code stream, in the case of smooth broadcasting, needs the capacity of the target code stream of caching, and by the described target code stream needing caching
Capacity is as the preset buffer memory value of described target code stream.
In this kind of form, comprise the capacity of described target code stream in described broadcast information.In the capacity obtaining target code stream
Afterwards, need the capacity according to described target code stream and current network state, calculate the feelings in smooth broadcasting for the described target code stream
Under condition, need the capacity of the target code stream of caching.Wherein, if current network state preferably, network speed is very fast, then described need to cache
Target code stream capacity less, that is, described target code stream preset buffer memory value less, in this case, can be in the short period
Inside reach the preset buffer memory value of target code stream, then can complete the switching of code stream as early as possible；If current network state is poor, network is relatively
Slowly, then the capacity of the described target code stream needing caching is larger, and that is, the preset buffer memory of described target code stream is worth larger, guarantee
Switch to after object code stream plays out, target code stream can smooth be play.
In this case, the preset buffer memory value that can make the target code stream getting meets current network state.
In addition, in the bitstreams switching device of video disclosed by the invention, if wrapping in the broadcast information of described target code stream
Broadcast address containing two or more, described target code stream cache module 120 includes：
IP address acquiring unit, for obtaining the IP address of electronic equipment；
Broadcast address determining unit, for according to described IP address, selecting feedback from described two above broadcast address
Described target speed bit stream broadcast address the fastest, and determine that described described target speed bit stream broadcast address the fastest of feeding back is
The broadcast address of described target code stream.
In addition, in the bitstreams switching device of video disclosed by the invention, set the described mesh transmission TS that fails to be sold at auction and flow for described
Current video corresponding t-th TS stream, described target code stream handover module 130 is used for, and the target in described current code stream passes
After sending stream TS stream broadcasting to finish, search (t+1) the individual TS stream in the described target code stream of caching, and play described target code stream
In (t+1) individual TS stream.
For same video, different code streams usually contain the TS stream of equal number.Target TS stream in current code stream is broadcast
Discharge after finishing, illustrate that t-th TS stream broadcasting of current video finishes.In this case, (t+1) that play in target code stream is individual
TS flows, and can ensure the smoothness of current video and complete broadcasting.
Embodiments provide a kind of non-transient computer storage medium, described computer-readable storage medium is stored with meter
Calculation machine executable instruction, this computer executable instructions can perform the bitstreams switching side of the video in above-mentioned any means embodiment
Method.
One of ordinary skill in the art will appreciate that realizing all or part of flow process in above-described embodiment method, it is permissible
Instruct related hardware to complete by computer program.Accordingly, the embodiment of the present invention additionally provides a kind of computer journey
Sequence product, described computer program includes the calculation procedure being stored on non-transient computer readable storage medium storing program for executing, described
Computer program includes programmed instruction, when described program instruction is computer-executed, makes described computer execution above-mentioned first
The bitstreams switching method of the described video that any one embodiment of aspect provides.Described program can be stored in a computer-readable
Take in storage medium, this program is upon execution, it may include as the flow process of the embodiment of above-mentioned each method.Wherein, described storage
Medium can be magnetic disc, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random
AccessMemory, RAM) etc..
Fig. 5 is that the hardware configuration of the electronic equipment of bitstreams switching method of execution video that the embodiment of the present invention seven provides shows
It is intended to, as shown in figure 5, this equipment includes：
One or more processors 510 and memory 520, in Fig. 5 taking a processor 510 as a example.
The equipment of the bitstreams switching of execution video can also include：Input unit 530 and output device 540.
Processor 510, memory 520, input unit 530 and output device 540 can pass through bus or other modes
Connect, in Fig. 5 taking connected by bus as a example.
Memory 520, as a kind of non-volatile computer readable storage medium storing program for executing, can be used for storing non-volatile software journey
The bitstreams switching method of the video in sequence, non-volatile computer executable program and module, the such as embodiment of the present invention corresponds to
Programmed instruction/module (for example, the broadcast information acquisition module 110 shown in accompanying drawing 4, target code stream cache module 120 and target
Bitstreams switching module 130).Processor 510 pass through to run the non-volatile software program in memory 520 of being stored in, instruction with
And module, thus the various function application of execute server and data processing, that is, realize the video in said method embodiment
Bitstreams switching method.
Memory 520 can include storing program area and storage data field, and wherein, storing program area can store operation system
Application program required for system, at least one function；Storage data field can store the use of the bitstreams switching device according to video
Data being created etc..Additionally, memory 520 can include high-speed random access memory, non-volatile depositing can also be included
Reservoir, for example, at least one disk memory, flush memory device or other non-volatile solid state memory parts.In some enforcements
In example, memory 520 is optional to include the memory remotely located with respect to processor 510, and these remote memories can pass through
Network connection to video bitstreams switching device.The example of above-mentioned network includes but is not limited to internet, intranet, local
Net, mobile radio communication and combinations thereof.
Input unit 530 can the numeral of receives input or character information, and produce and the bitstreams switching device of video
User setup and function control relevant key signals input.Output device 540 may include the display devices such as display screen.
One or more of modules are stored in described memory 520, when by one or more of processors
During 510 execution, execute the bitstreams switching method of the video in above-mentioned any means embodiment.
The said goods can perform the method that the embodiment of the present invention is provided, and possesses the corresponding functional module of execution method and has
Beneficial effect.The not ins and outs of detailed description in the present embodiment, can be found in the method that the embodiment of the present invention is provided.
The electronic equipment of the embodiment of the present invention exists in a variety of forms, including but not limited to:
(1) mobile communication equipment:The feature of this kind equipment is that possess mobile communication function, and to provide speech, data
Communicate as main target.This Terminal Type includes:Smart mobile phone (such as iPhone), multimedia handset, feature mobile phone, and low
End mobile phone etc..
(2) super mobile personal computer equipment:This kind equipment belongs to the category of personal computer, has calculating and processes work(
Can, typically also possess mobile Internet access characteristic.This Terminal Type includes:PDA, MID and UMPC equipment etc., such as iPad.
(3) portable entertainment device:This kind equipment can show and play content of multimedia.This kind equipment includes:Audio frequency,
Video player (such as iPod), handheld device, e-book, and intelligent toy and portable car-mounted navigator.
(4) server:There is provided the equipment of the service of calculating, it is total that the composition of server includes processor, hard disk, internal memory, system
Line etc., server is similar with general computer architecture, but due to needing to provide highly reliable service, is therefore processing energy
The aspects such as power, stability, reliability, security, extensibility, manageability require higher.
(5) other have the electronic installation of data interaction function.
Device embodiment described above is only that schematically the wherein said unit illustrating as separating component can
To be or to may not be physically separate, as the part that unit shows can be or may not be physics list
Unit, you can with positioned at a place, or can also be distributed on multiple NEs.Can be selected it according to the actual needs
In the purpose to realize this embodiment scheme for some or all of module.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
Mode by software plus general hardware platform to be realized naturally it is also possible to pass through hardware.Based on such understanding, above-mentioned technology
What scheme substantially contributed to correlation technique in other words partly can be embodied in the form of software product, this computer
Software product can store in a computer-readable storage medium, such as ROM/RAM, magnetic disc, CD etc., including some instructions in order to
Make a computer equipment (can be personal computer, server, or network equipment etc.) execute each embodiment or
Some partly described methods of embodiment.
Finally it should be noted that：Above example only in order to technical scheme to be described, is not intended to limit；Although
With reference to the foregoing embodiments the present invention is described in detail, it will be understood by those within the art that：It still may be used
To modify to the technical scheme described in foregoing embodiments, or equivalent is carried out to wherein some technical characteristics；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (13)
1. a kind of bitstreams switching method of video is it is characterised in that include：
After receiving the bitstreams switching operation of current video, obtain the broadcast information of to be switched target code stream；
According to the broadcast information of described target code stream, obtain the broadcast address of described target code stream, and the broadcasting in current code stream
During, by accessing the broadcast address of described target code stream, cache described target code stream；
After the target transmitting stream TS stream broadcasting in described current code stream finishes, switch to described target code stream and play, wherein,
When the cache size that described target transmitting stream TS flows for described target code stream reaches preset buffer memory value, broadcast in described current code stream
The TS stream put.
2. the bitstreams switching method of video according to claim 1 is it is characterised in that switch to described object code described
Before flowing and playing, also include：
Determine the preset buffer memory value of described target code stream.
3. the bitstreams switching method of video according to claim 2 is it is characterised in that described determination described target code stream
Preset buffer memory value, including：
The setting operation of order caching value, and the preset buffer memory value of described target code stream is determined according to the setting operation of described cache size.
4. the bitstreams switching method of video according to claim 2 is it is characterised in that described determination described target code stream
Preset buffer memory value, including：
According to the broadcast information of described target code stream, determine the capacity of described target code stream；
Capacity according to described target code stream and current network state, calculate the situation in smooth broadcasting for the described target code stream
Under, need the capacity of the target code stream of caching, and using the capacity of the described target code stream needing caching as described target code stream
Preset buffer memory value.
If 5. the bitstreams switching method of video according to claim 1 is it is characterised in that the broadcasting of described target code stream is believed
Two or more broadcast address is comprised in breath, the broadcast address of the described target code stream of described acquisition, including：
Obtain the IP address of electronic equipment；
According to described IP address, select to feed back the broadcasting the fastest of described target speed bit stream from described two above broadcast address
Address, and determine the broadcast address that the described target speed bit stream of described feedback broadcast address the fastest is described target code stream.
6. video according to claim 1 bitstreams switching method it is characterised in that described in described current code stream
After target transmitting stream TS stream broadcasting finishes, switch to described target code stream and play, including：
Set described target transmitting stream TS to flow for described current video corresponding t-th TS stream, the mesh in described current code stream
After mark transmitting stream TS stream broadcasting finishes, search (t+1) the individual TS stream in the described target code stream of caching, and play described target
(t+1) individual TS stream in code stream.
7. a kind of bitstreams switching device of video is it is characterised in that include：
Broadcast information acquisition module, after the bitstreams switching for receiving current video operates, obtains to be switched target code stream
Broadcast information；
Target code stream cache module, for the broadcast information according to described target code stream, obtains the broadcasting ground of described target code stream
Location, and in the playing process of current code stream, by accessing the broadcast address of described target code stream, cache described target code stream；
Target code stream handover module, for, after the target transmitting stream TS stream broadcasting in described current code stream finishes, switching to institute
State target code stream and play, wherein, the cache size that described target transmitting stream TS flows for described target code stream reaches preset buffer memory value
When, the TS stream play in described current code stream.
8. the bitstreams switching device of video according to claim 7 is it is characterised in that also include：
Preset buffer memory value determining module, for, before switching to described target code stream and playing, determining described target code stream
Preset buffer memory value.
9. the bitstreams switching device of video according to claim 8 is it is characterised in that described target code stream handover module bag
Include：
First determining unit, arranges operation for order caching value, and determines described target according to the setting operation of described cache size
The preset buffer memory value of code stream.
10. the bitstreams switching device of video according to claim 8 is it is characterised in that described target code stream handover module
Including：
Capacity determining unit, for the broadcast information according to described target code stream, determines the capacity of described target code stream；
Second determining unit, for the capacity according to described target code stream and current network state, calculates described target code stream
In the case of smooth broadcasting, need the capacity of the target code stream of caching, and the capacity by the described target code stream needing caching
Preset buffer memory value as described target code stream.
11. if the bitstreams switching device of videos according to claim 7 is it is characterised in that the broadcasting of described target code stream
Two or more broadcast address is comprised, described target code stream cache module includes in information：
IP address acquiring unit, for obtaining the IP address of electronic equipment；
Broadcast address determining unit, described for according to described IP address, selecting feedback from described two above broadcast address
Target speed bit stream broadcast address the fastest, and determine that described described target speed bit stream broadcast address the fastest of feeding back is described
The broadcast address of target code stream.
The bitstreams switching device of 12. videos according to claim 7 it is characterised in that
Set described mesh and transmit the TS that fails to be sold at auction and flow and flow for corresponding t-th TS of described current video, described target code stream handover module
For, after the target transmitting stream TS stream broadcasting in described current code stream finishes, searching the in the described target code stream of caching
(t+1) individual TS stream, and play (t+1) the individual TS stream in described target code stream.
13. a kind of electronic equipments are it is characterised in that include：
At least one processor；And,
The memory being connected with least one processor communication described；Wherein,
Described memory storage has can be by the instruction of one computing device, and described instruction is by by least one process described
Device executes, so that at least one processor described can：
After receiving the bitstreams switching operation of current video, obtain the broadcast information of to be switched target code stream；
According to the broadcast information of described target code stream, obtain the broadcast address of described target code stream, and the broadcasting in current code stream
During, by accessing the broadcast address of described target code stream, cache described target code stream；
After the target transmitting stream TS stream broadcasting in described current code stream finishes, switch to described target code stream and play, wherein,
When the cache size that described target transmitting stream TS flows for described target code stream reaches preset buffer memory value, broadcast in described current code stream
The TS stream put.
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| CN201610921859.5A CN106412676A (en) | 2016-10-21 | 2016-10-21 | Video code stream switching method and device, and electronic device |
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Application publication date: 20170215 |