CN101227583A - Terminal and method for implementing wireless multi-path audio and video business - Google Patents
Terminal and method for implementing wireless multi-path audio and video business Download PDFInfo
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- CN101227583A CN101227583A CNA2008100653549A CN200810065354A CN101227583A CN 101227583 A CN101227583 A CN 101227583A CN A2008100653549 A CNA2008100653549 A CN A2008100653549A CN 200810065354 A CN200810065354 A CN 200810065354A CN 101227583 A CN101227583 A CN 101227583A
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Abstract
The invention is applicable in the radio communication field and provides a method for realizing and terminal of a wireless multi-video and audio business, wherein the terminal comprises a communication cell, a CPU, a multimedia processor, an audio mixing cell, an audio frequency playing cell and a video display cell. The terminal adopts a stagger decoding mode which can develop multi-video and audio business, when the terminal supports the multipoint communication, no polling and other mode is used, and the multipoint communication can be carried out simultaneously, which can be conveniently used by the user and communicate with each other better.
Description
Technical field
The invention belongs to wireless communication field, relate in particular to a kind of implementation method and terminal of wireless multi-path audio frequency and video business.
Background technology
The audio frequency and video business is one of 3G network important application, it can allow the user can also see the other side's video image when carrying out voice call, but the audio frequency and video business that present terminal is carried out all is one tunnel audio frequency and video business, when supporting multi-point, the audio frequency and video form of expression of terminal just can only adopt modes such as poll, the user uses very inconvenience like this, and is unfavorable for that user and the other side carry out communication exchange.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of implementation method of wireless multi-path audio frequency and video business, is intended to solve that present terminal carries out all is one tunnel audio frequency and video business, inconvenient problem with use.
The embodiment of the invention is achieved in that a kind of implementation method of wireless multi-path audio frequency and video business, and described method comprises the steps:
Set up wireless audio and video business more than one tunnel with other-end;
The data flow that will send by the communication channel of each road wireless audio and video business is resolved through protocol stack, resolves into each road stream of audio codes and video coding code stream;
With the decoding of staggering of described each road stream of audio codes and coded video bitstream stream;
Decoded each road audio code stream is carried out voice playing through behind the audio mixing, decoded each road video code flow is carried out video respectively show;
Local audio-video signal is sent to other-end through the communication channel by each road wireless audio and video business after gathering, handle, encoding.
Another purpose of the embodiment of the invention is to provide a kind of terminal, and described terminal comprises:
Communication unit, be used for carrying out radio communication with other communication terminals, set up multiple wireless audio frequency and video business, the data flow that will send by the communication channel of each road wireless audio and video business is resolved through protocol stack, resolves into each road stream of audio codes and video coding code stream;
Multimedia processor is used for the decoding of staggering of described each road stream of audio codes and coded video bitstream stream;
The audio mixing unit is used for that decoded each road audio code stream is carried out audio mixing and handles;
Audio playing unit is used for each the road audio code stream after the audio mixing processing is carried out voice playing;
Video display unit is used for that decoded each road video code flow is carried out video respectively and shows;
The audio collection unit is used for gathering, handling local audio signal;
Video acquisition unit is used for gathering, handling local video signal;
And central processing unit.
In embodiments of the present invention, terminal adopts the mode of decoding that staggers, and can carry out the multichannel audio-video frequency business, when terminal is supported multi-point, needn't adopt modes such as poll, can carry out multi-point simultaneously, the user is very easy to use like this, can carry out communication exchange with the other side better.
Description of drawings
Fig. 1 is the flow chart of the implementation method of the wireless multi-path audio frequency and video business that provides of the embodiment of the invention;
Fig. 2 is the structure chart of the terminal that provides of the embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention, terminal can be carried out the multichannel audio-video frequency business, when terminal is supported multi-point, needn't adopt modes such as poll, can carry out multi-point simultaneously, and the user is very easy to use like this, can carry out communication exchange with the other side better.
Fig. 1 shows the flow process of the implementation method of the wireless multi-path audio frequency and video business that the embodiment of the invention provides, and its concrete steps are:
In step S101, set up wireless audio and video business more than one tunnel with other-end;
In step S102, the data flow that will send by the communication channel of each road wireless audio and video business is resolved through protocol stack, resolves into each road stream of audio codes and video coding code stream;
In step S103, with the decoding of staggering of each road stream of audio codes and coded video bitstream stream, as embodiments of the invention, step S103 is specially:
Each road stream of audio codes and coded video bitstream stream are carried out parallel decoding; Perhaps the decoding process with each road stream of audio codes and video coding code stream carries out the serial decomposition, each flow process after decomposing is carried out the time-sharing multiplex serial decode, set up the multipath decoding of pipeline-type, guarantee that the preceding audio/video coding code stream of decoded audio-video code stream and decoding is corresponding one by one.
In step S104, decoded each road audio code stream is carried out voice playing through behind audio mixing, decoded each road video code flow is carried out the video demonstration respectively, can adopt following video display mode according to user's needs:
1, only shows a certain road video code flow;
2, show each road video code flow in turn with certain hour;
3,, show each road video code flow simultaneously in the zones of different of video display unit.Can set the viewing area in advance by the user.Show that such as the rectangular area of first via video code flow the second road video code flow shows in the rectangular area of { (176,144), (352,288) }, gets final product by the demonstration of user's setting regions during demonstration in { (0,0), (176,144) }.
In step S105, local audio-video signal is sent to other-end through the communication channel by each road wireless audio and video business after gathering, handle, encoding, this process is a prior art, the present invention no longer describes in detail.
Fig. 2 shows the structure of the terminal that the embodiment of the invention provides, and for convenience of explanation, only shows the part relevant with the embodiment of the invention.
Communication unit 1 carries out radio communication with other communication terminals, set up multiple wireless audio frequency and video business, the data flow that will send by the communication channel of each road wireless audio and video business is resolved through protocol stack, resolves into each road stream of audio codes and video coding code stream.Communication unit 1 specifically comprises 3G communication module 101, the communication server 102 and communication adaptation layer 103,3G communication module 101 is carried out the wireless audio and video business for terminal and other-end provides interface, the data flow that will send by the communication channel of each road wireless audio and video business is resolved through protocol stack, resolves into each road stream of audio codes and video coding code stream; The communication server 102 is to carry out mutual with 3G communication module 101 and be responsible for its program of control, communications status provided to report simultaneously, and such as opening, close serial ports, read and write serial port, the network disconnected event reports etc.; Communication adaptation layer 103 is that some that provide for the application program of audio frequency and video business are specially carried out the interface of audio frequency and video business by the communication server 102 operation 3G communication modules 101, such as dial, answer, rejection, interface such as read and write data.
1, utilizes a plurality of decoders of 3 li of multimedia processors, respectively each road stream of audio codes and coded video bitstream stream are carried out parallel decoding, also can adopt the software decode scheme, move a plurality of decoders simultaneously each road stream of audio codes and coded video bitstream stream are carried out parallel decoding, guarantee that the preceding audio/video coding code stream of decoded audio-video code stream and decoding is corresponding one by one;
2, utilize a decoder of 3 li of multimedia processors, the decoding process of each road stream of audio codes and video coding code stream is carried out the serial decomposition, each flow process after decomposing is carried out the time-sharing multiplex serial decode, set up the multipath decoding of pipeline-type, guarantee that simultaneously the preceding audio/video coding code stream of decoded audio-video code stream and decoding is corresponding one by one.
Decoded each road audio code stream carries out voice playing by audio playing unit 6 after audio mixing unit 4 back warps are crossed the audio mixing processing, decoded each road video code flow carries out video by video display unit 5 and shows.
And local audio signal is gathered in audio collection unit 7, video acquisition unit 8 is gathered local video signal, stream of audio codes and video coding code stream are handled, are encoded into to the local audio-video signal of 3 pairs of collections of multimedia processor, by communication unit 1 communication channel of stream of audio codes and coded video bitstream stream by each road wireless audio and video business sent to other-end again, this process is a prior art, and the present invention no longer describes in detail.
In embodiments of the present invention, terminal adopts the mode of decoding that staggers, and can carry out the multichannel audio-video frequency business, when terminal is supported multi-point, needn't adopt modes such as poll, can carry out multi-point simultaneously, the user is very easy to use like this, can carry out communication exchange with the other side better.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the implementation method of a wireless multi-path audio frequency and video business is characterized in that, described method comprises the steps:
Set up wireless audio and video business more than one tunnel with other-end;
The data flow that will send by the communication channel of each road wireless audio and video business is resolved through protocol stack, resolves into each road stream of audio codes and video coding code stream;
With the decoding of staggering of described each road stream of audio codes and coded video bitstream stream;
Decoded each road audio code stream is carried out voice playing through behind the audio mixing, decoded each road video code flow is carried out video respectively show;
Local audio-video signal is sent to other-end through the communication channel by each road wireless audio and video business after gathering, handle, encoding.
2. implementation method as claimed in claim 1 is characterized in that, described the stagger step of decoding of described each road stream of audio codes and coded video bitstream stream is specially:
Each road stream of audio codes and coded video bitstream stream are carried out parallel decoding, and guarantee that the preceding audio/video coding code stream of decoded audio-video code stream and decoding is corresponding one by one.
3. implementation method as claimed in claim 1 is characterized in that, described the stagger step of decoding of described each road stream of audio codes and coded video bitstream stream is specially:
The decoding process of each road stream of audio codes and video coding code stream is carried out the serial decomposition, each flow process after decomposing is carried out the time-sharing multiplex serial decode, set up the multipath decoding of pipeline-type, guarantee that simultaneously the preceding audio/video coding code stream of decoded audio-video code stream and decoding is corresponding one by one.
4. a terminal that realizes wireless multi-path audio frequency and video business is characterized in that, described terminal comprises:
Communication unit, be used for carrying out radio communication with other communication terminals, set up multiple wireless audio frequency and video business, the data flow that will send by the communication channel of each road wireless audio and video business is resolved through protocol stack, resolves into each road stream of audio codes and video coding code stream;
Multimedia processor is used for the decoding of staggering of described each road stream of audio codes and coded video bitstream stream;
The audio mixing unit is used for that decoded each road audio code stream is carried out audio mixing and handles;
Audio playing unit is used for each the road audio code stream after the audio mixing processing is carried out voice playing;
Video display unit is used for that decoded each road video code flow is carried out video respectively and shows;
The audio collection unit is used for gathering, handling local audio signal;
Video acquisition unit is used for gathering, handling local video signal;
And central processing unit.
5. terminal as claimed in claim 4 is characterized in that, described multimedia processor comprises:
A plurality of decoders are used for respectively each road stream of audio codes and coded video bitstream stream being carried out parallel decoding, guarantee that the preceding audio/video coding code stream of decoded audio-video code stream and decoding is corresponding one by one.
6. terminal as claimed in claim 4 is characterized in that, described multimedia processor comprises:
A decoder, be used for the decoding process of each road stream of audio codes and video coding code stream is carried out the serial decomposition, each flow process after decomposing is carried out the time-sharing multiplex serial decode, set up the multipath decoding of pipeline-type, guarantee that simultaneously the preceding audio/video coding code stream of decoded audio-video code stream and decoding is corresponding one by one.
7. as claim 4 or 5 or 6 described terminals, it is characterized in that described multimedia processor also is used for local audio-video signal gathered, handles, is encoded into various multimedia operations such as stream of audio codes and video coding code stream.
8. terminal as claimed in claim 7 is characterized in that, described communication unit also is used for the communication channel of described stream of audio codes and coded video bitstream stream by each road wireless audio and video business sent to other-end.
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| CN2008100653549A CN101227583B (en) | 2008-02-03 | 2008-02-03 | Terminal and method for implementing wireless multi-path audio and video business |
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| CN2008100653549A CN101227583B (en) | 2008-02-03 | 2008-02-03 | Terminal and method for implementing wireless multi-path audio and video business |
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| CN101227583A true CN101227583A (en) | 2008-07-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184544A (en) * | 2013-05-24 | 2014-12-03 | 中兴通讯股份有限公司 | Decoding method and device |
| CN104219509A (en) * | 2014-10-11 | 2014-12-17 | 四川九洲电器集团有限责任公司 | Vehicle-mounted intelligent terminal and data transmission method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184544A (en) * | 2013-05-24 | 2014-12-03 | 中兴通讯股份有限公司 | Decoding method and device |
| CN104219509A (en) * | 2014-10-11 | 2014-12-17 | 四川九洲电器集团有限责任公司 | Vehicle-mounted intelligent terminal and data transmission method thereof |
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| CN101227583B (en) | 2010-09-29 |
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