CN101207783A - Video telephone of self-adapting network condition and network self-adapting regulation method - Google Patents
Video telephone of self-adapting network condition and network self-adapting regulation method Download PDFInfo
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Abstract
The invention relates to a video telephone which can self-adapt to the network status. The video telephone comprises a video data collection module used for obtaining and outputting a video data signal, a video data processing module used for carrying out the data processing and the output to the video data signal, a data encoding and sending module used for receiving a data signal output by the video data processing module and sending the data signal into a caller by encoding and also a self-adapting speed controlling module which is connected with the video data processing module and used for auto-regulating the image size and the quality of the video data signal according to the strength of the current network signal so as to ensure the fluency of the image. The invention can auto-regulate the size and the quality of the display image and the quantity of the sent video data, thereby solving the problems of mosaic and slow update, etc., of the image of the video telephone under the condition of the poor network status, decreasing the sent data quantity and lightening the load of the network.
Description
Technical field
The present invention relates to a kind of video telephone, particularly relate to a kind ofly according to network signal intensity, automatically data transmission bauds and data volume are adjusted in control, adjust the video telephone of picture size and quality.
Background technology
Along with the development of network broadband technology, video communication has possessed condition practical and that promote, and many Virtual network operators or have been built the video telephone operating environment, and video telephone low to cost on the market, that performance is high has very big demand.
Existing video telephone all is according to current network condition display image.Because video telephone needs more Internet resources to transmit voice and view data, if network condition is good, picture can compare smoothness, if network condition is poor, then picture mosaic can occur, upgrade slowly even go offline.And present video telephone is had no idea to solve and is occurred the image mosaic under the relatively poor situation of this network condition, upgrades and to wait problem slowly.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of video telephone and network self-adapting method of adjustment thereof of adaptive network situation, intensity according to network signal, automatically adjust the size and the quality of display image, automatically what of video data adjustment send, image mosaic, the renewal of video telephone wait problem slowly under the situation of solution network condition difference, reduce to send data volume, alleviate the load of network.
To achieve these goals, the invention provides a kind of video telephone of adaptive network situation, comprising: a video data acquiring module is used to obtain and the output video data-signal; One video data processing module is used for described video data signal is carried out data processing and output; One digital coding sending module, be used to receive the data-signal of described video data processing module output, send to correspondent through coding, its characteristics are, also comprise an adaptation rate control module that is connected with described video data processing module, be used for adjusting automatically the picture size and the quality of described video data signal, to guarantee the smoothness of picture according to the intensity of current network signal.
Above-mentioned video telephone, its characteristics are that described adaptation rate control module comprises again: a visual telephone is provided with module, are used to set in advance a plurality of and the corresponding data rate self adaptation of network signal intensity rank; One network condition analysis module is used to obtain current network signal intensity, and analyzes the rank of described network signal intensity, and the rank of described network signal intensity is sent to described visual telephone is provided with module and the self adaptation rank compares; One rate controlled module is used for according to described network signal intensity rank and other comparative result of self adaptation level, and control sends to the data transmission rate of described video data processing module and sends data volume.
Above-mentioned video telephone, its characteristics are that described visual telephone is provided with module and also comprises: a rank comparison module is used for the rank of described network signal intensity is compared with the data rate self adaptation rank that sets in advance; One data signal processor is connected with described rate controlled module and described comparison module, is used to export the adjusted data-signal of described rate controlled module.
Above-mentioned video telephone, its characteristics are, described comparison module is provided with three self adaptation ranks, good, general, the relatively poor rank of the corresponding current network signal strength signal intensity of difference, the network signal intensity rank is good, then described rate controlled module at normal speed, normally sends video data with data rate control; For generally, then described rate controlled module reduces data transmission rate and data volume, reduces display size; For relatively poor, then described rate controlled module further reduces data transmission rate, data volume and display size.
Above-mentioned video telephone, its characteristics are that described network condition analysis module comprises a timing module, is used for according to certain hour gap periods phase-split network situation.
The present invention also provides a kind of network self-adapting method of adjustment that is used for video telephone, and its characteristics are, comprising: the video data acquiring step is used to obtain and the output video data-signal; The video data treatment step is used for described video data signal is carried out data processing and output; The digital coding forwarding step is used to receive the data-signal that described video data treatment step is exported, and sends to correspondent through coding; And the adaptation rate controlled step, be used for according to automatic picture size and the quality of adjusting the video data signal of described video data treatment step transmission of the intensity of current network signal, to guarantee the smoothness of picture.
Above-mentioned network self-adapting method of adjustment, its characteristics are that described adaptation rate controlled step comprises again: visual telephone is provided with step, are used to set in advance a plurality of and the corresponding data rate self adaptation of network signal intensity rank; The network condition analytical procedure is used to obtain current network signal intensity, and analyzes the rank of described network signal intensity, and the self adaptation rank that the rank and the described visual telephone of described network signal intensity is provided with in the step is compared; Rate determining step is used for according to described network signal intensity rank and other comparative result of self adaptation level, control data transmission rate and transmission data volume.
Above-mentioned network self-adapting method of adjustment, its characteristics are, described visual telephone is provided with step and also comprises: the rank comparison step, be used for the rank of described network signal intensity is compared with the data rate self adaptation rank that sets in advance, described self adaptation rank is divided into three ranks, good, general, the relatively poor rank of the corresponding current network signal strength signal intensity of difference, the network signal intensity rank is good, then described rate controlled module at normal speed, normally sends video data with data rate control; For generally, then described rate controlled module reduces data transmission rate and data volume, reduces display size; For relatively poor, then described rate controlled module further reduces data transmission rate, data volume and display size; The data-signal treatment step is used to export described rate determining step and carries out adjusted data-signal according to the result of described rank comparison step.
Above-mentioned network self-adapting method of adjustment, its characteristics are that described network condition analytical procedure also comprises a timing step, is used for according to certain hour gap periods phase-split network situation.
Above-mentioned network self-adapting method of adjustment, its characteristics are that described rate determining step comprises: the network signal intensity rank is good, and then the transparent transmission data are not done rate controlled; The network signal intensity rank is general, and the size that then sends image reduces 30%, and data volume reduces 51%; The network signal intensity rank is relatively poor, and the size that then sends image reduces 50%, and data volume reduces 75%.
Effect of the present invention, being can be according to the intensity of network signal, automatically adjust the size and the quality of display image, automatically what of video data adjustment send, image mosaic, the renewal of video telephone wait problem slowly under the situation of solution network condition difference, reduce to send data volume, alleviate the load of network.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
Fig. 1 is the module map of the video telephone of adaptive network situation of the present invention;
Fig. 2 is the flow chart of network self-adapting method of adjustment among the present invention.
Embodiment
See also Fig. 1, be the module map of the video telephone of invention adaptive network situation.
As shown in the figure, the present invention is a kind of video telephone of adaptive network situation, comprising: the video data acquiring module is used to obtain and the output video data-signal; The video data processing module is used for described video data signal is carried out data processing and output; The digital coding sending module, be used to receive the data-signal of described video data processing module output, send to correspondent through coding, also comprise an adaptation rate control module that is connected with described video data processing module, be used for adjusting automatically the picture size and the quality of described video data signal, to guarantee the smoothness of picture according to the intensity of current network signal.
The adaptation rate control module comprises: visual telephone is provided with module, at visual UI interface, the user selects to enter this module by menu, can be provided with attribute, whether decision starts the adaptation rate controlled function, sets in advance a plurality of and the corresponding data rate self adaptation of network signal intensity rank; The network condition analysis module, be used to obtain current network signal intensity, and the rank of phase-split network signal strength signal intensity, and the rank of network signal intensity sent to visual telephone is provided with module and the self adaptation rank compares, that is to say, the periodic network signal situation of measuring TD-SCDMA draws the current signal intensity rank, and will report to rate controller to measurement result; The rate controlled module is used for according to network signal intensity rank and other comparative result of self adaptation level, and control sends to the data transmission rate of video data processing module and sends data volume.
Visual telephone is provided with module and comprises: rank comparison module (not shown) is used for the rank of network signal intensity is compared with the data rate self adaptation rank that sets in advance; Data signal processor (not shown) is connected with rate controlled module and comparison module, is used for the adjusted data-signal of output speed control module.
The network condition analysis module can also comprise a timing module, is used for according to certain hour gap periods phase-split network situation.
Please refer to Fig. 2, be the flow chart of network self-adapting method of adjustment among the present invention.
As shown in the figure, the network condition analysis module calls low layer functions, periodically measures and obtains current network signal intensity, and provide intensity rank; Afterwards, compare judgement with predefined rank in the rank comparison module, and the control data transmission rate, the screen situation that control simultaneously shows.According to current network condition, the network signal intensity rank is divided into three ranks, and correspondingly the adaptation rate rank in the rank comparison module also is divided into three ranks.
A: network synthesis situation Status=3, illustrate that the current network intensity level signal is good, UE normally sends video data, and data are transmitted pellucidly in the self feed back system, speed are not controlled;
B: network synthesis situation Status=2 illustrates that the current network intensity level signal for general, then reduces user's display size, and reduces the data transmission;
C: network synthesis situation Status=1 illustrates that the current network intensity level signal is relatively poor, then continues to reduce the traffic volume of user's display size and data.
The signal strength signal intensity indication (RSSI) that measures is big more, and network signal is strong more, and is favourable more to transfer of data, in the present embodiment RSSI is divided three classes:
Signal is good: RSSI>30
Signal is general: 20<=RSSI<=30
Signal difference: RSSI<20
The data of RSSI can according to certain time interval (100 milliseconds~500 milliseconds), send to nework analysis module by the form of call back function.
Int?Current_RSSI_Value_callBack(RssiValue)
After the network condition analysis module obtains current intensity, at once according to top definition, judge current signal good/general/poor, can send to the rate controlled module by message then.
Post_Message(MessageType);
The rate controlled module is in conjunction with current network signal intensity rank, and normal or minimizing sends data, does being defined as follows here:
The network signal intensity rank is good: the transparent transmission data, do not do rate controlled;
The network signal intensity rank is for general: the size that sends image reduces 30%, and the data that data volume reduces about 51% (70%*70%=49%) send;
The network signal intensity rank is relatively poor, and the size that sends image reduces 50%, and data volume reduces (50%*50%=25%) data transmission of about 75%.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of claim of the present invention.
Claims (10)
1. the video telephone of an adaptive network situation comprises:
One video data acquiring module is used to obtain and the output video data-signal;
One video data processing module is used for described video data signal is carried out data processing and output;
One digital coding sending module is used to receive the data-signal that described video data processing module is exported, and sends to correspondent through coding; It is characterized in that, also comprise an adaptation rate control module that is connected with described video data processing module, be used for adjusting automatically the picture size and the quality of described video data signal, to guarantee the smoothness of picture according to the intensity of current network signal.
2. video telephone according to claim 1 is characterized in that, described adaptation rate control module comprises again:
One visual telephone is provided with module, is used to set in advance a plurality of and the corresponding data rate self adaptation of network signal intensity rank;
One network condition analysis module is used to obtain current network signal intensity, and analyzes the rank of described network signal intensity, and the rank of described network signal intensity is sent to described visual telephone is provided with module and the self adaptation rank compares;
One rate controlled module is used for according to described network signal intensity rank and other comparative result of self adaptation level, and control sends to the data transmission rate of described video data processing module and sends data volume.
3. video telephone according to claim 2 is characterized in that, described visual telephone is provided with module and also comprises:
One rank comparison module is used for the rank of described network signal intensity is compared with the data rate self adaptation rank that sets in advance;
One data signal processor is connected with described rate controlled module and described comparison module, is used to export the adjusted data-signal of described rate controlled module.
4. video telephone according to claim 3, it is characterized in that, described comparison module is provided with three self adaptation ranks, good, general, the relatively poor rank of the corresponding current network signal strength signal intensity of difference, the network signal intensity rank is good, then described rate controlled module at normal speed, normally sends video data with data rate control; For generally, then described rate controlled module reduces data transmission rate and data volume, reduces display size; For relatively poor, then described rate controlled module further reduces data transmission rate, data volume and display size.
5. according to claim 2,3 or 4 described video telephone, it is characterized in that described network condition analysis module comprises a timing module, is used for according to certain hour gap periods phase-split network situation.
6. a network self-adapting method of adjustment that is used for video telephone is characterized in that, comprising:
One video data acquiring step is used to obtain and the output video data-signal;
One video data treatment step is used for described video data signal is carried out data processing and output;
One digital coding forwarding step is used to receive the data-signal that described video data treatment step is exported, and sends to correspondent through coding; And
One adaptation rate controlled step is used for according to automatic picture size and the quality of adjusting the video data signal of described video data treatment step transmission of the intensity of current network signal, to guarantee the smoothness of picture.
7. network self-adapting method of adjustment according to claim 6 is characterized in that, described adaptation rate controlled step comprises again:
One visual telephone is provided with step, is used to set in advance a plurality of and the corresponding data rate self adaptation of network signal intensity rank;
One network condition analytical procedure is used to obtain current network signal intensity, and analyzes the rank of described network signal intensity, and the self adaptation rank that the rank and the described visual telephone of described network signal intensity is provided with in the step is compared;
One rate determining step is used for according to described network signal intensity rank and other comparative result of self adaptation level, control data transmission rate and transmission data volume.
8. network self-adapting method of adjustment according to claim 7 is characterized in that, described visual telephone is provided with step and also comprises:
One rank comparison step, be used for the rank of described network signal intensity is compared with the data rate self adaptation rank that sets in advance, described self adaptation rank is divided into three ranks, good, general, the relatively poor rank of the corresponding current network signal strength signal intensity of difference, the network signal intensity rank is good, then described rate controlled module at normal speed, normally sends video data with data rate control; For generally, then described rate controlled module reduces data transmission rate and data volume, reduces display size; For relatively poor, then described rate controlled module further reduces data transmission rate, data volume and display size;
One data-signal treatment step is used to export described rate determining step and carries out adjusted data-signal according to the result of described rank comparison step.
9. according to claim 7 or 8 described network self-adapting methods of adjustment, it is characterized in that described network condition analytical procedure also comprises a timing step, is used for according to certain hour gap periods phase-split network situation.
10. according to claim 7 or 8 described network self-adapting methods of adjustment, it is characterized in that described rate determining step comprises:
The network signal intensity rank is good, and then the transparent transmission data are not done rate controlled;
The network signal intensity rank is general, and the size that then sends image reduces 30%, and data volume reduces 51%;
The network signal intensity rank is relatively poor, and the size that then sends image reduces 50%, and data volume reduces 75%.
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