CN103179438B - Video playback accesses determination method and the device of code check first - Google Patents
Video playback accesses determination method and the device of code check first Download PDFInfo
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Abstract
The invention discloses determination method and device that a kind of video playback accesses code check first, in order to accurately to select video playback to access code check first, reduce code check switching times, ensure video playing quality.Wherein, described video playback accesses the determination method of code check first, comprising: the video playback request that receiving terminal sends, and carries the media format information that described terminal is supported in described video playback request; Obtain the network type information of described accessing terminal to network and the terminal capability value of described terminal; The data list of mating with described network type information and media format information is obtained from the rate adaption storehouse prestored; From the data list got, the code check value selecting described terminal capability value corresponding is as accessing code check first.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to determination method and device that a kind of video playback accesses code check first.
Background technology
Along with the development of development of Mobile Internet technology and terminal technology, mobile communications network can provide more and more abundanter business for user.Such as, placed by mobile communications network Streaming Media and file download, be the terminal video business of principal mode for user provides with audio frequency and video, user can by mobile terminal watching video live broadcast, carry out video request program and video download etc., at present, the viewing mode of common terminal video is divided into be downloaded viewing and immediately receives viewing two kinds, downloads after viewing needs user that video file is downloaded to terminal completely, watches carrying out broadcasting; Immediately, receive the mode of watching and then taking download limit, limit watch, watching program request, live or roll the video of types such as broadcasting, without the need to expending download time, more not needing the memory space of occupied terminal.
At present, terminal video accesses code check first and selects based on user, namely network side provides the access first that can select code check, such as 30kbps, 120kbps or 320kbps etc., select the suitable code check of access first when user needs displaying video from the code check of access first that network side provides.There is following defect in this determination method accessing code check first: due to the information such as mobile communication network quality situation and the terminal detailed configuration of self when user cannot know displaying video, thus, the suitable code check of access first can not be selected exactly, if it is improper to access code check first, video playing quality will be reduced; Moreover be that user selects owing to playing code check first, therefore, cannot change in playing process, if the mobile communication network quality of user's access changes, then accessing code check first cannot switch, thus, cannot video playing quality be ensured.If take the video first playing a certain code check, and then slowly increase or reduce code check, unnecessary video code rate will inevitably be caused to switch, video code rate switches not only needs the server resource taking network side, and user video play quality can be had influence on, make code check switching cost huge.As can be seen here, in order to the code check reduced in video display process frequently switches, the selection accessing code check first when starting displaying video is extremely important.
Summary of the invention
A kind of determination method that the embodiment of the present invention provides video playback to access code check first and device, in order to accurately to select video playback to access code check first, reduce code check switching times, ensure video playing quality.
The embodiment of the present invention provides a kind of video playback to access code check defining method first, comprising:
The video playback request that receiving terminal sends, carries the media format information that described terminal is supported in described video playback request;
Obtain the network type information of described accessing terminal to network and the terminal capability value of described terminal;
The data list of mating with described network type information and media format information is obtained from the rate adaption storehouse prestored;
From the data list got, the code check value selecting described terminal capability value corresponding is as accessing code check first.
The embodiment of the present invention provides a kind of video playback to access code check determining device first, comprising:
Receiving element, for the video playback request that receiving terminal sends, carries the media format information that described terminal is supported in described video playback request;
Obtain unit, for the terminal capability value of the network type information and described terminal that obtain described accessing terminal to network;
Acquiring unit, for obtaining the data list of mating with described network type information and media format information from the rate adaption storehouse prestored;
Determining unit, for from the data list got, the code check value selecting described terminal capability value corresponding is as accessing code check first.
The video playback that the embodiment of the present invention provides accesses code check defining method and device first, network side is after the video playback request receiving terminal transmission, obtain the network type of this terminal access and the terminal capability value of this terminal, the network type that network side accesses according to the media format information of this terminal support carried in playing request and this terminal of acquisition, the data list of mating is selected from the rate adaption storehouse prestored, and from the data list selected, determine that the code check value of this terminal applicable is as accessing code check first according to the terminal capability value of this terminal, like this, achieving by network side is that terminal is determined to access code check first, network side is being determined to access the media formats supported in conjunction with terminal in the process of code check first simultaneously, the ability value of access network type and terminal carries out, thus make the code check value selected more accurate, thus the code check switching times that can reduce in video display process, ensure that video playing quality.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Fig. 1 is in the embodiment of the present invention, and video playback accesses the implementing procedure schematic diagram of code check defining method first;
Fig. 2 is in the embodiment of the present invention, the schematic flow sheet of configurating terminal ability value;
Fig. 3 is in the embodiment of the present invention, the implementing procedure schematic diagram of OMS synchronous terminal ability value;
Fig. 4 is in the embodiment of the present invention, the implementing procedure schematic diagram of terminal request video playback;
Fig. 5 is in the embodiment of the present invention, and video playback accesses the structural representation of code check determining device first.
Embodiment
The network type supported due to current terminal may have multiple, and the hardware configuration of terminal self is different, central processing unit (the CPU of such as terminal, CentralProcessUnit), internal memory, coding and decoding video type, network type energy performance index that the resolution of display screen, support and terminal are supported vary, make the ability to play of different terminals also not identical, in order to carry out adaptation to each Terminal Type as far as possible, network side needs to provide more how different coded formats, different code check parameters etc.
Based on this, embodiments provide determination method and device that a kind of video playback accesses code check first, for when using terminal plays video, by the network type of network side according to the current access of terminal and the hardware configuration situation of terminal, video playback is selected to access code check first exactly, reduce code check switching times, ensure video playing quality.It should be noted that, the video playback that the embodiment of the present invention provides accesses code check defining method first and is applicable to the scene of terminal by wireless network request video playback such as mobile communications networks.
As shown in Figure 1, the video playback provided for the embodiment of the present invention accesses the implementing procedure schematic diagram of code check defining method first, comprises the following steps:
The video playback request that S101, receiving terminal send, carries the media format information that this terminal is supported in this video playback request;
Concrete, user sends video playback request by terminal to network side, and the media formats value that in this playing request, the player of carried terminal is supported, such as, H.264 media formats value can be.
S102, obtain the network type information of this accessing terminal to network and the terminal capability value of this terminal;
S103, the data list that acquisition is mated with this network type information and media format information from the rate adaption storehouse prestored;
S104, from the data list got, the code check value selecting this terminal capability value corresponding is as accessing code check first.
During concrete enforcement, in step S102, network side can obtain the network type information of accessing terminal to network in the following manner: the network type information obtaining this accessing terminal to network from WAP (WAP (wireless application protocol)) gateway.Concrete, network side is after the video playback request receiving terminal transmission, x-up-bear-type parameter is obtained from WAP gateway, x-up-bear-type parameter is for recording the network type of present terminal access, such as: during x-up-bear-type=GPRS/EDGE, show that the network type that terminal accesses is GPRS/EDGE network.
During concrete enforcement, terminal type information can also be carried in the video playback request that network side receives, terminal sends, like this, in step s 102, network side can obtain the terminal capability value of terminal according to following steps: according to this terminal type information, obtain the terminal capability value that this terminal is corresponding from the terminal attribute file prestored.Wherein, terminal attribute file can be device_properties.xml file, and the form of usual device_properties.xml file is as follows:
<itemrme_ua=" SONYERICSSONZ780 " textoffset=" 0 " touchscreen=" false " clientversion=" 1.0 " watchbk=" true " java=" true " hasjavavideo=" false " dev_ability=" 3 "/>, wherein, dev_ability represents terminal capability value, other parts are terminal capability parameter and configuration, such as, rmeua represents terminal type information, touchscreen represents whether the display screen of terminal is touch-screen, textoffset represents text excursion amount, clientversion represents the version information of the operating system that terminal is current, watchbk represents whether support video playback, java represents whether terminal is supported to run java script, hasjavavideo represents whether support to run java video.
In the embodiment of the present invention, in order to network side can obtain terminal capability value, need to be configured terminal capability value.
As shown in Figure 2, be the schematic flow sheet of configurating terminal ability value, comprise the following steps:
S201, OMS (operation management system) Configuration Management Officer configurating terminal ability value in user agent (UA, UserAgent) file;
Concrete, terminal capability value is configured in UA file by OMS keeper, such as, be configured in device_properties.xml file, the operation system information etc. of terminal models, browser information and terminal in device_properties.xml file, can also be comprised.
Device_properties.xml file is kept at network and connects storage (NAS, NetworkAttachedStorage) shared region by S202, OMS.
During concrete enforcement, OMS is after saving terminal capability value, this terminal capability value is needed to be synchronized to Rich Media's node that network side is supplied to store video content, the terminal capability value received is stored in the database of self by this Rich Media's node, like this, this Rich Media's node, after the video playback request receiving terminal, can search terminal capability value corresponding to this terminal from the database of self.Concrete, as shown in Figure 3, be the implementing procedure schematic diagram of OMS synchronous terminal ability value, can comprise the following steps:
S301, when have new video content need issue time, OMS Configuration Management Officer submit to video content to OMS;
The video content received and the terminal capability value of self preserving are synchronized to interface message processor (IMP) ORZ between OMS and RMS (Rich Media's node) by S302, OMS;
The video content received and terminal capability value are synchronized to RMS database (DB) by S303, ORZ.
In addition, during concrete enforcement, can also by the terminal capability value of terminal storage self correspondence, when sending video playback request to network side, the terminal capability value of self correspondence being carried in video playback request and sending to network side to be Rich Media's node of this Terminal for service.
At the Rich Media's node for Terminal for service after obtaining terminal capability value, set up rate adaption storehouse, media format information, network type information, corresponding relation between terminal capability value and code check value is stored in rate adaption storehouse, video code rate Selection parameter when its specific definition terminal accesses first and respective value, preferably, media format information, network type information, corresponding relation between terminal capability value and code check value can be set up according to following process:
For arbitrary media formats, at least one code check value that definition different type network can be supported;
For arbitrary code check value, determine the terminal capability value that this code check value is corresponding.
In the embodiment of the present invention, for media formats for be H.264 described, network type is general packet radio service (GPRS, GeneralPacketRadioService), enhanced data rates for gsm evolution (EDGE, EnhancedDataRateforGSMEvolution), TD SDMA (TD-SDMA, and high-speed slender body theory (HSDPA TimeDivision-SynchronousCodeDivisionMultipleAccess), HighSpeedDownlinkPacketAccess) be example, preliminary definition 8 kinds of code check values, define the terminal capability value of its correspondence for each code check value simultaneously, terminal capability can be divided more subtly, as shown in table 1, a kind of possible structure for rate adaption storehouse:
Table 1
| Media formats | Code check class | Code check value | Network type | Corresponding ability value |
| H.264 | 1 | 30kbps | GPRS/EDGE | 1 |
| H.264 | 2 | 45kbps | GPRS/EDGE | 2 |
| H.264 | 3 | 60kbps | GPRS/EDGE | 3 |
| H.264 | 4 | 90kbps | TD/HSDPA | 4 |
| H.264 | 5 | 120kbps | TD/HSDPA | 5 |
| H.264 | 6 | 180kbps | TD/HSDPA | 6 |
| H.264 | 7 | 250kbps | TD/HSDPA | 7 |
| H.264 | 8 | 350kbps | TD/HSDPA | 8 |
During concrete enforcement, code check value in rate adaption storehouse can correspondingly increase according to actual needs or reduce, to ensure that terminal accesses first further to carry out obtaining most suitable code check value more exactly when video code rate is selected, reach video quality when both ensureing that user plays, code check switching times can be reduced again.
After establishing rate adaption storehouse, when Rich Media's node receives the video playback request of terminal, Rich Media's node obtains the network type of accessing terminal to network, and in conjunction with the media format information that the terminal of carrying in video playback request is supported, mate in rate adaption storehouse, more preferably, Rich Media's node can also in conjunction with the playing request type of terminal (program request or live), screen from qualified data relay is continuous according to terminal capability value, and determine according to the result of programmed screening the code check value that this terminal is corresponding, after determining code check value, Rich Media's node generates real time streaming transport protocol (RTSP according to this code check, RealTimeStreamingProtocol) electric wave or live URL (URL(uniform resource locator)), finally the URL of generation is returned to terminal, terminal carries out video playback according to this URL.
In order to understand the embodiment of the present invention better, below for terminal request displaying video, the implementing procedure of the embodiment of the present invention is described.
As shown in Figure 4, be the implementing procedure schematic diagram of terminal request video playback, comprise the following steps:
S401, user are by the Rich Media node transmission video playback request of terminal to network side;
Concrete, in this video playback request, carry the media format information that this terminal is supported;
S402, Rich Media's node obtain the network type information of accessing terminal to network and the terminal capability value of this terminal;
Concrete, can also carry in video playback request this terminal and terminal type information, Rich Media's node is by the x-up-bear-type parameter value determination network type in WAP gateway, and the device_properties.xml file determination terminal capability value stored from self database.
The network type that S403, Rich Media's node access according to this terminal and this terminal media form search the data list satisfied condition from rate adaption storehouse;
Such as, for table 1, suppose that network type that this terminal accesses is the media formats supported of the player of GPRS/EDGE and terminal for H.264, then from table 1 according to these two carry out first time screen after can obtain following result:
| Media formats | Code check class | Code check value | Network type | Corresponding ability value |
| H.264 | 1 | 30kbps | GPRS/EDGE | 1 |
| H.264 | 2 | 45kbps | GPRS/EDGE | 2 |
| H.264 | 3 | 60kbps | GPRS/EDGE | 3 |
The data list meeting health check-up is returned to Rich Media's node by S404, rate adaption storehouse;
S405, Rich Media's node, from the data record obtained, continue with terminal capability value for condition is further screened, to determine the code check value of this terminal applicable;
Such as, suppose that terminal type information is Motorola MT710, the terminal capability value of its correspondence is 2, then can obtain result:
| Media formats | Code check class | Code check value | Network type | Corresponding ability value |
| H.264 | 2 | 45kbps | GPRS/EDGE | 2 |
According to this result, can determine that code check value corresponding to this terminal is 45kbps.
S406, Rich Media's node play URL according to the code check value generating video determined;
Video playback URL is returned to terminal by S407, Rich Media's node.
Based on same inventive concept, a kind of video playback is also provided to access code check determining device first in the embodiment of the present invention, it is similar that the principle of dealing with problems due to this device and above-mentioned video playback access code check defining method first, therefore the enforcement of this device can access the enforcement of code check defining method first see above-mentioned video playback, repeats part and repeats no more.
As shown in Figure 5, the video playback provided for the embodiment of the present invention accesses the structural representation of code check determining device first, comprising:
Receiving element 501, for the video playback request that receiving terminal sends, carries the media format information that this terminal is supported in this video playback request;
Obtain unit 502, for the terminal capability value of the network type information and this terminal that obtain this accessing terminal to network;
Acquiring unit 503, for obtaining the data list of mating with network type information and media format information from the rate adaption storehouse prestored;
Determining unit 504, for from the data list got, the code check value selecting terminal capability value corresponding is as accessing code check first.
In concrete enforcement, video playback accesses code check determining device first, can also comprise:
Rate adaption storehouse, for storage medium formats information, network type information, corresponding relation between terminal capability value and code check value.
Preferably, rate adaption storehouse may be used for for arbitrary media formats, at least one code check value that definition different type network can be supported, and for arbitrary code check value, determines the terminal capability value that this code check value is corresponding.
In concrete enforcement, the terminal identification information of this terminal in video playback request, can also be carried, then obtain unit 502, may be used for according to terminal identification information, obtain the network type information of this accessing terminal to network from WAP gateway.
In concrete enforcement, in video playback request, sea can carry the terminal signaling information of this terminal, obtains unit 502, may be used for according to this terminal type information, obtain the terminal capability value that described terminal is corresponding from the terminal attribute file prestored.
Those skilled in the art should understand, the embodiment of the application can be provided as method, system or computer program.Therefore, the application can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the application can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The application describes with reference to according to the flow chart of the method for the embodiment of the present application, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although described the preferred embodiment of the application, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the application's scope.
The video playback that the embodiment of the present invention provides accesses code check defining method and device first, network side is after the video playback request receiving terminal transmission, obtain the network type of this terminal access and the terminal capability value of this terminal, the network type that network side accesses according to the media format information of this terminal support carried in playing request and this terminal of acquisition, the data list of mating is selected from the rate adaption storehouse prestored, and from the data list selected, determine that the code check value of this terminal applicable is as accessing code check first according to the terminal capability value of this terminal, like this, achieving by network side is that terminal is determined to access code check first, network side is being determined to access the media formats supported in conjunction with terminal in the process of code check first simultaneously, the ability value of access network type and terminal carries out, thus make the code check value selected more accurate, thus the code check switching times that can reduce in video display process, ensure that video playing quality.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. video playback accesses a code check defining method first, it is characterized in that, comprising:
The video playback request that receiving terminal sends, carries the media format information that described terminal is supported in described video playback request;
Obtain the network type information of described accessing terminal to network and the terminal capability value of described terminal;
The data list of mating with described network type information and media format information is obtained from the rate adaption storehouse prestored;
From the data list got, the code check value selecting described terminal capability value corresponding is as accessing code check first;
Wherein, the terminal type information of described terminal is also carried in described video playback request;
Obtain the terminal capability value of described terminal, specifically comprise:
According to described terminal type information, from the terminal attribute file prestored, obtain the terminal capability value that described terminal is corresponding, described terminal capability value is operation management system OMS Configuration Management Officer, and to be that described terminal is pre-configured be stored in described terminal attribute file.
2. the method for claim 1, is characterized in that, stores media format information, network type information, corresponding relation between terminal capability value and code check value in described rate adaption storehouse.
3. method as claimed in claim 2, is characterized in that, sets up media format information, network type information, corresponding relation between terminal capability value and code check value according to following process:
For arbitrary media formats, at least one code check value that definition different type network can be supported;
For arbitrary code check value, determine the terminal capability value that this code check value is corresponding.
4. the method for claim 1, is characterized in that, obtains the network type information of described accessing terminal to network, specifically comprises:
The network type information of described accessing terminal to network is obtained from WAP (wireless application protocol) WAP gateway.
5. video playback accesses a code check determining device first, it is characterized in that, comprising:
Receiving element, for the video playback request that receiving terminal sends, carries the media format information that described terminal is supported in described video playback request;
Obtain unit, for the terminal capability value of the network type information and described terminal that obtain described accessing terminal to network;
Acquiring unit, for obtaining the data list of mating with described network type information and media format information from the rate adaption storehouse prestored;
Determining unit, for from the data list got, the code check value selecting described terminal capability value corresponding is as accessing code check first;
Wherein, the terminal type information of described terminal is also carried in the described video playback request that described receiving element receives;
Described acquisition unit specifically for:
According to described terminal type information, from the terminal attribute file prestored, obtain the terminal capability value that described terminal is corresponding, described terminal capability value is operation management system OMS Configuration Management Officer, and to be that described terminal is pre-configured be stored in described terminal attribute file.
6. device as claimed in claim 5, is characterized in that, also comprise:
Rate adaption storehouse, for storage medium formats information, network type information, corresponding relation between terminal capability value and code check value.
7. device as claimed in claim 6, is characterized in that,
Described rate adaption storehouse, specifically for for different media formats, defines at least one code check value that different type network can be supported, and for arbitrary code check value, determines the terminal capability value that this code check value is corresponding.
8. device as claimed in claim 5, is characterized in that,
Described acquisition unit, specifically for obtaining the network type information of described accessing terminal to network from WAP (wireless application protocol) WAP gateway.
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| CN104837042B (en) * | 2015-05-06 | 2018-01-16 | 腾讯科技（深圳）有限公司 | The coding method of digital multimedia data and device |
| CN105407107A (en) * | 2015-12-24 | 2016-03-16 | 成都信息工程大学 | Transmission method and device for streaming media data |
| CN106101766A (en) * | 2016-07-11 | 2016-11-09 | 乐视控股（北京）有限公司 | The control method for playing back of a kind of video ads, device and electronic equipment |
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| CN113542795B (en) * | 2020-04-21 | 2023-04-18 | 腾讯科技（深圳）有限公司 | Video processing method and device, electronic equipment and computer readable storage medium |
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