CN102790863A - Video rebroadcast soft handoff system and method - Google Patents
Video rebroadcast soft handoff system and method Download PDFInfo
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- CN102790863A CN102790863A CN2012102891745A CN201210289174A CN102790863A CN 102790863 A CN102790863 A CN 102790863A CN 2012102891745 A CN2012102891745 A CN 2012102891745A CN 201210289174 A CN201210289174 A CN 201210289174A CN 102790863 A CN102790863 A CN 102790863A
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Abstract
The invention discloses a video rebroadcast soft handoff system and a method. The system comprises a soft handoff control platform used for switching video signals with a streaming media format; and the soft handoff control platform comprises at least one streaming media input interface and at least one streaming media output interface. According to the soft handoff control platform, the handoff control on multichannel video signals is conveniently carried out, and the addition of captions and special technique effects can be realized only with the help of software programming. The soft handoff system has the advantages of simple configuration, low cost and strong universality.
Description
Technical field
The present invention relates to the video switch technical field, particularly a kind of video is relayed soft switching system and method.
Background technology
Mainly acting as of cut bank:, select wherein one tunnel vision signal output through the vision signal of multichannel input is controlled.
As shown in Figure 1; Relay the structural representation of switched system for video in the prior art; Because cut bank can only receive conventional video signals according to existing protocol, wherein, conventional video signals comprises: the vision signal of the vision signal of analog signal format and digital SDI form; So, for the raw video signal that camera acquisition arrives, need pass through special-purpose encoder, transmitter module, receiver module and decoder successively, could finally arrive cut bank; And the vision signal for camera acquisition arrives must could write down this kind vision signal by the video tape recorder that is connected with cut bank.And cut bank needs the film titler of configure dedicated, can in the vision signal that receives, add corresponding captions.Further, cut bank also must dispose the complex video matrix, thereby realizes from multi-channel video signal, exporting wherein one tunnel vision signal.
Can find out that through said structure existing video is relayed in the switched system and comprised a large amount of hardware, have that configuration is complicated, cost is high, the defective of versatility difference.
Summary of the invention
Defective to the prior art existence; The present invention provides a kind of video to relay soft switching system and method; Through the soft handover controlling platform, very convenient multi-channel video signal is carried out switching controls, and add captions and the special technique effect only need can realize by software programming; Therefore, have that configuration is simple, cost is low, the advantage of highly versatile.
The technical scheme that the present invention adopts is following:
The present invention provides a kind of video to relay soft switching system, comprising: be used for soft handover controlling platform that the vision signal of stream media format is switched; Said soft handover controlling platform comprises: at least one Streaming Media input interface and at least one Streaming Media output interface.
Preferably, said soft handover controlling platform is a computer; And/or said soft handover controlling platform also is connected with memory module.
Preferably, said Streaming Media input interface comprises first kind Streaming Media input interface and second type of Streaming Media input interface; Said first kind Streaming Media input interface is successively through first wireless network and the wireless adapter and first camera communication, and said second type of Streaming Media input interface is successively through first cable network with the line adapter and second camera communication are arranged.
Preferably, said first wireless network is wifi network and/or GPRS network and/or WCDMA network; Said first cable network is an Ethernet.
Preferably, said Streaming Media output interface comprises first kind Streaming Media output interface and second type of Streaming Media output interface; Said first kind Streaming Media output interface is communicated by letter with terminal equipment through second cable network and/or second wireless network, and said second type of Streaming Media output interface is connected with the transition card input interface, and said transition card output interface is connected with the video broadcast relay system.
Preferably, said second wireless network is wifi network and/or GPRS network and/or WCDMA network; Said second cable network is an Ethernet.
The present invention provides a kind of video relay soft handover method that above-mentioned video is relayed soft switching system of using, and may further comprise the steps:
S1, said soft handover controlling platform receives the vision signal of at least one road stream media format;
S2, said soft handover controlling platform is screened the vision signal of the said stream media format that receives, need to confirm the vision signal of one tunnel said stream media format of output;
S3, the vision signal of the said stream media format that said soft handover controlling platform output S2 confirms.
Preferably, S1 is specially:
Said first video camera sends raw video signal, obtains the vision signal of said stream media format behind the said raw video signal coding, and the vision signal of this stream media format is sent to said soft handover controlling platform through cable network and/or wireless network;
Said soft handover controlling platform receives the vision signal of said stream media format.
Preferably, said S2 is specially:
Whether the resolution of the vision signal of each said stream media format in road that said soft handover controlling platform judgement receives is identical; If judged result is for denying; Be identical resolution at first then, and then need confirm the vision signal of the stream media format of output the conversion of resolution of the vision signal of each said stream media format in road; And/or
Said soft handover controlling platform judges whether the resolution of vision signal of each the said stream media format in road that receives is identical, if judged result is for being then directly the vision signal of each said stream media format in road to be exported by initial resolution; And/or
Said soft handover controlling platform generates handoff list, the transfer sequence that in the said handoff list record Preset Time section vision signal of each said stream media format in road is switched;
When receiving the vision signal of each said stream media format in road once more, the said transfer sequence that writes down by said handoff list switches the vision signal of each said stream media format in road; And/or
Said soft handover controlling platform is provided with sound identification module; When said sound identification module recognize with the received pronunciation storehouse in during the identical voice of the received pronunciation characteristic of storing, confirm that the vision signal of the stream media format at said voice place is the vision signal of the stream media format that needs output; And/or
Said soft handover controlling platform is provided with face recognition module, when said face recognition module recognizes people's face customizing messages, confirms that the vision signal of the stream media format at said people's face customizing messages place is the vision signal that needs the stream media format of output; And/or
Said soft handover controlling platform is provided with the Motion Recognition module, when said Motion Recognition module recognizes special exercise information, confirms that the vision signal of the stream media format at said special exercise information place is the vision signal that needs the stream media format of output; And/or
When said soft handover controlling platform received the switching signal that front-end camera sends, the vision signal that said soft handover controlling platform is confirmed the stream media format that said front-end camera is exported automatically was the vision signal of the stream media format that needs output; And/or
Said soft handover controlling platform generates the XML file; Said XML file is used to write down the handover information of said soft handover controlling platform in the Preset Time section and the stunt information that applies to the vision signal of the stream media format of output;
Preferably, after the S3, also comprise:
S4, said soft handover controlling platform is to the vision signal of the definite said stream media format of transition card output S2;
Said transition card converts the vision signal of this stream media format the vision signal of analog signal format and/or digital sdi signal form into, and the vision signal of this analog signal format and/or digital sdi signal form is sent to the conventional video Play System; And/or
After the S1, before the S3, also comprise:
The vision signal of the said stream media format that said soft handover controlling platform storage receives;
After the S1, before the S3, also comprise:
Said soft handover controlling platform is the corresponding captions of vision signal configuration of the said stream media format that receives.
Beneficial effect of the present invention is following:
Video provided by the invention is relayed soft switching system and method, has the following advantages: through the soft handover controlling platform, very convenient multi-channel video signal is carried out switching controls, and add captions and the special technique effect only need can realize by software programming; Whole system is easy to maintenance upgrade; Therefore, have multiple functional, configuration is simple, cost is low and the advantage of highly versatile.
Description of drawings
Fig. 1 is the structural representation that video is relayed switched system in the prior art;
Fig. 2 is the structural representation that video provided by the invention is relayed soft switching system.
Embodiment
Below in conjunction with accompanying drawing video relay soft switching system provided by the invention and method are described in detail:
As shown in Figure 2, video provided by the invention is relayed soft switching system, comprising: be used for soft handover controlling platform that the vision signal of stream media format is switched; Said soft handover controlling platform comprises: at least one Streaming Media input interface and at least one Streaming Media output interface.Wherein, said Streaming Media input interface comprises first kind Streaming Media input interface and second type of Streaming Media input interface; Said first kind Streaming Media input interface is successively through first wireless network and the wireless adapter and first camera communication, and said second type of Streaming Media input interface is successively through first cable network with the line adapter and second camera communication are arranged.And first wireless network is wifi network and/or GPRS network and/or WCDMA network; Said first cable network is an Ethernet.The Streaming Media output interface comprises first kind Streaming Media output interface and second type of Streaming Media output interface; Said first kind Streaming Media output interface is through second cable network and/or second wireless network and other-end devices communicating; Said second type of Streaming Media output interface is connected with the transition card input interface; Said transition card output interface is connected with the video broadcast relay system; Wherein, the video broadcast relay system can be the conventional video broadcast relay system; And second wireless network is wifi network and/or GPRS network and/or WCDMA network; Said second cable network is an Ethernet.Among the present invention, the soft handover controlling platform is a computer.The soft handover controlling platform also is connected with memory module.
Use said system, video provided by the invention is relayed soft handover method, may further comprise the steps:
S1, said soft handover controlling platform receives the vision signal of at least one road stream media format;
This step specifically comprises: first video camera sends raw video signal; Obtain the vision signal of said stream media format behind the said raw video signal coding, and the vision signal of this stream media format is sent to said soft handover controlling platform through cable network and/or wireless network; Said soft handover controlling platform receives the vision signal of said stream media format.
S2, said soft handover controlling platform is screened the vision signal of the said stream media format that receives, need to confirm the vision signal of one tunnel said stream media format of output;
Therefore,, directly realize the output of vision signal, and need not use the complex video switching matrix, thereby simplified the configuration complexity of whole system, reduced the hardware cost of whole system through the soft handover controlling platform.
Through the soft handover controlling platform is provided with, can make the soft handover controlling platform possess the multiclass function, can export needed vision signal flexibly, the person's that satisfies the video-see demand, concrete, include but not limited to following seven kinds of situations:
(1) resolution
Whether the resolution of the vision signal of each said stream media format in road that the judgement of soft handover controlling platform receives is identical; If judged result is for denying; Be identical resolution at first then, and then need confirm the vision signal of the stream media format of output the conversion of resolution of the vision signal of each said stream media format in road;
Perhaps said soft handover controlling platform judges whether the resolution of vision signal of each the said stream media format in road that receives is identical, if judged result is for being then directly the vision signal of each said stream media format in road to be exported by initial resolution;
Through this step, the soft handover controlling platform can be confirmed the resolution of the vision signal of output flexibly, has improved whole video and has relayed the range of application of soft handover method.
(2) handoff list
The soft handover controlling platform generates handoff list, the transfer sequence that in the said handoff list record Preset Time section vision signal of each said stream media format in road is switched;
When receiving the vision signal of each said stream media format in road once more, the said transfer sequence that writes down by said handoff list switches the vision signal of each said stream media format in road.
Through setting up handoff list, use the soft handover controlling platform, can simple and effective the vision signal of going the same way mutually be switched, and need move the switching filtering algorithm when not needing to switch each time, relay the configuration complexity of soft handover method thereby simplified video.
(3) sound identification module
The soft handover controlling platform is provided with sound identification module; When said sound identification module recognize with the received pronunciation storehouse in during the identical voice of the received pronunciation characteristic of storing, confirm that the vision signal of the stream media format at said voice place is the vision signal of the stream media format that needs output.
(4) face recognition module
The soft handover controlling platform is provided with face recognition module, when said face recognition module recognizes people's face customizing messages, confirms that the vision signal of the stream media format at said people's face customizing messages place is the vision signal that needs the stream media format of output.
(5) Motion Recognition module
The soft handover controlling platform is provided with the Motion Recognition module, when said Motion Recognition module recognizes special exercise information, confirms that the vision signal of the stream media format at said special exercise information place is the vision signal that needs the stream media format of output.
(6) special efficacy
The soft handover controlling platform generates the XML file; Said XML file is used to write down the handover information of said soft handover controlling platform in the Preset Time section and the stunt information that applies to the vision signal of the stream media format of output.
(7) front-end camera ACTIVE CONTROL
When said soft handover controlling platform received the switching signal that front-end camera sends, the vision signal that said soft handover controlling platform is confirmed the stream media format that said front-end camera is exported automatically was the vision signal of the stream media format that needs output.
S3, the vision signal of the said stream media format that said soft handover controlling platform output S2 confirms.
S4, said soft handover controlling platform is to the vision signal of the definite said stream media format of transition card output S2;
Said transition card converts the vision signal of this stream media format the vision signal of analog signal format and/or digital sdi signal form into, and the vision signal of this analog signal format and/or digital sdi signal form is sent to the conventional video Play System.
Through in this step, realized docking of soft handover controlling platform and conventional video Play System, convenient through conventional video played video.
Before the S3, also comprise in addition, after the S1: Sa or Sb:
Sa: the vision signal of the said stream media format that said soft handover controlling platform storage receives;
The soft handover controlling platform is directly stored the vision signal that receives through memory module, and need not pass through special-purpose video tape recorder stored video signal, thereby has simplified the Hardware configuration of system.
Sb: said soft handover controlling platform is the corresponding captions of vision signal configuration of the said stream media format that receives.
This step, the soft handover controlling platform promptly can dispose captions to vision signal through preset captions software, and need be by the film titler of special use, thereby has simplified the Hardware configuration of system.
In sum; Video provided by the invention is relayed soft switching system and method; Have the following advantages: through the soft handover controlling platform, very convenient multi-channel video signal is carried out switching controls, and add captions and the special technique effect only need can realize by software programming; Whole system is easy to maintenance upgrade; Therefore, have multiple functional, configuration is simple, cost is low and the advantage of highly versatile.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be looked protection scope of the present invention.
Claims (10)
1. a video is relayed soft switching system, it is characterized in that, comprising: be used for soft handover controlling platform that the vision signal of stream media format is switched; Said soft handover controlling platform comprises: at least one Streaming Media input interface and at least one Streaming Media output interface.
2. video according to claim 1 is relayed soft switching system, it is characterized in that said soft handover controlling platform is a computer; And/or said soft handover controlling platform also is connected with memory module.
3. video according to claim 1 is relayed soft switching system, it is characterized in that said Streaming Media input interface comprises first kind Streaming Media input interface and second type of Streaming Media input interface; Said first kind Streaming Media input interface is successively through first wireless network and the wireless adapter and first camera communication, and said second type of Streaming Media input interface is successively through first cable network with the line adapter and second camera communication are arranged.
4. video according to claim 3 is relayed soft switching system, it is characterized in that said first wireless network is wifi network and/or GPRS network and/or WCDMA network; Said first cable network is an Ethernet.
5. video according to claim 1 is relayed soft switching system, it is characterized in that said Streaming Media output interface comprises first kind Streaming Media output interface and second type of Streaming Media output interface; Said first kind Streaming Media output interface is communicated by letter with terminal equipment through second cable network and/or second wireless network, and said second type of Streaming Media output interface is connected with the transition card input interface, and said transition card output interface is connected with the video broadcast relay system.
6. video according to claim 5 is relayed soft switching system, it is characterized in that said second wireless network is wifi network and/or GPRS network and/or WCDMA network; Said second cable network is an Ethernet.
7. an application rights requires each said video of 1-6 to relay the video relay soft handover method of soft switching system, it is characterized in that, may further comprise the steps:
S1, said soft handover controlling platform receives the vision signal of at least one road stream media format;
S2, said soft handover controlling platform is screened the vision signal of the said stream media format that receives, need to confirm the vision signal of one tunnel said stream media format of output;
S3, the vision signal of the said stream media format that said soft handover controlling platform output S2 confirms.
8. video according to claim 7 is relayed soft handover method, it is characterized in that S1 is specially:
Said first video camera sends raw video signal, obtains the vision signal of said stream media format behind the said raw video signal coding, and the vision signal of this stream media format is sent to said soft handover controlling platform through cable network and/or wireless network;
Said soft handover controlling platform receives the vision signal of said stream media format.
9. video according to claim 8 is relayed soft handover method, it is characterized in that said S2 is specially:
Whether the resolution of the vision signal of each said stream media format in road that said soft handover controlling platform judgement receives is identical; If judged result is for denying; Be identical resolution at first then, and then need confirm the vision signal of the stream media format of output the conversion of resolution of the vision signal of each said stream media format in road; And/or
Said soft handover controlling platform judges whether the resolution of vision signal of each the said stream media format in road that receives is identical, if judged result is for being then directly the vision signal of each said stream media format in road to be exported by initial resolution; And/or
Said soft handover controlling platform generates handoff list, the transfer sequence that in the said handoff list record Preset Time section vision signal of each said stream media format in road is switched;
When receiving the vision signal of each said stream media format in road once more, the said transfer sequence that writes down by said handoff list switches the vision signal of each said stream media format in road; And/or
Said soft handover controlling platform is provided with sound identification module; When said sound identification module recognize with the received pronunciation storehouse in during the identical voice of the received pronunciation characteristic of storing, confirm that the vision signal of the stream media format at said voice place is the vision signal of the stream media format that needs output; And/or
Said soft handover controlling platform is provided with face recognition module, when said face recognition module recognizes people's face customizing messages, confirms that the vision signal of the stream media format at said people's face customizing messages place is the vision signal that needs the stream media format of output; And/or
Said soft handover controlling platform is provided with the Motion Recognition module, when said Motion Recognition module recognizes special exercise information, confirms that the vision signal of the stream media format at said special exercise information place is the vision signal that needs the stream media format of output; And/or
When said soft handover controlling platform received the switching signal that front-end camera sends, the vision signal that said soft handover controlling platform is confirmed the stream media format that said front-end camera is exported automatically was the vision signal of the stream media format that needs output; And/or
Said soft handover controlling platform generates the XML file; Said XML file is used to write down the handover information of said soft handover controlling platform in the Preset Time section and the stunt information that applies to the vision signal of the stream media format of output.
10. video according to claim 7 is relayed soft handover method, it is characterized in that, after the S3, also comprises:
S4, said soft handover controlling platform is to the vision signal of the definite said stream media format of transition card output S2;
Said transition card converts the vision signal of this stream media format the vision signal of analog signal format and/or digital sdi signal form into, and the vision signal of this analog signal format and/or digital sdi signal form is sent to the conventional video Play System; And/or
After the S1, before the S3, also comprise:
The vision signal of the said stream media format that said soft handover controlling platform storage receives;
After the S1, before the S3, also comprise:
Said soft handover controlling platform is the corresponding captions of vision signal configuration of the said stream media format that receives.
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| CN201210289174.5A CN102790863B (en) | 2012-08-14 | 2012-08-14 | Video rebroadcast soft handoff system and method |
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| CN106028004A (en) * | 2016-07-25 | 2016-10-12 | 厦门视诚科技有限公司 | Multi-signal input and multi-image composition device and method |
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| CN111372012A (en) * | 2020-05-27 | 2020-07-03 | 成都华栖云科技有限公司 | Software defined video stream matrix system and implementation method thereof |
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| CN102790863B (en) | 2015-03-25 |
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