CN102802138A - Video file processing method and system, and video proxy system - Google Patents
Video file processing method and system, and video proxy system Download PDFInfo
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- CN102802138A CN102802138A CN2011101373829A CN201110137382A CN102802138A CN 102802138 A CN102802138 A CN 102802138A CN 2011101373829 A CN2011101373829 A CN 2011101373829A CN 201110137382 A CN201110137382 A CN 201110137382A CN 102802138 A CN102802138 A CN 102802138A
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Abstract
The invention discloses a video file processing method, a video file processing system and a video proxy system. The method comprises the following steps of: receiving a video request from a mobile terminal, wherein the video request comprises the terminal equipment information of the mobile terminal; querying video strategy parameters corresponding to the terminal equipment information from a preset equipment information strategy; and searching for a video file matched with the video strategy parameters from pre-stored video files according to the queried video strategy parameters, and transmitting the video file to the mobile terminal. By the method and the systems, various mobile terminals can obtain high-definition and high-smoothness video playing experiences in various networking modes.
Description
Technical field
The present invention relates to the video playback technical field, relate in particular to a kind of processing method and system, video agency plant of video file.
Background technology
Mobile terminal performance improves day by day in recent years, for mobile terminal video player software universal provides good condition, is watching video to become one of mainstream applications on the intelligent mobile terminal on the portable terminal.Usually, the video player on the portable terminal is divided into two types: local video player and Online Video player.The local video player is only play the local video file, for example: copy the video file on the secure digital storage card (SD, Secure Digital Memory Card) of portable terminal in advance to.The Online Video player mainly is to connect online video website; Through Wireless Fidelity (WIFI) network, general packet radio service (GPRS; General Packet Radio Service) or 3G (Third Generation) Moblie (3G, 3rd-Generation) video file of stream media format is watched in online download such as network.
No matter be the local video player, or the Online Video player, the core technology of its displaying video all relates to software decode and hardware decoding dual mode.The software decode of video file or video flowing is meant that (CPU, Central Processing Unit) accomplishes decoding work through CPU; The hardware decoding is meant, mainly accomplishes decoding work (the auxiliary few calculations of doing of CPU) by special hardware based video processing unit.Comparatively speaking, software decode is more flexible, can be according to the adaptive multiple coded format of program setting, yet, because its computing consumes a large amount of cpu resources, therefore can influence other processes of concurrent running, and bring higher power consumption.The hardware decoding is based on the specific video processing unit, and often only to the video code model of particular type, its adaptive surface is narrower, but its decoding performance efficient is high, can be competent at the video decode work of bigger resolution relatively.
Different mobile terminals is different to the support situation of hardware decoding, and this mainly depends on the realization situation of the video processing unit on its chip.Each video player comes the preferential hardware decoding of selecting to use often according to the support situation of concrete portable terminal to the hardware decoding, experiences to obtain better to play.
Because the restriction of factors such as the performance of current mobile terminal, the network bandwidth makes that the experience of portable terminal Online Video is also not so good, be presented as mainly that usually definition or fluency are not enough.Particularly, comprise following two kinds of situation: the screen resolution of the portable terminal that has (comprising panel computer) is higher, and the resolution of Online Video is lower, thereby causes final broadcast definition not enough; The screen resolution of the portable terminal that has is lower, but the resolution of Online Video is higher, thereby the processor or the access bandwidth of portable terminal can't support its smooth playing when causing its download to be watched.
In addition, corresponding preliminary treatment often to mobile terminal screen resolution features of smaller, is carried out to the resolution of video file in the mobile terminal video website in the prior art.When mobile terminal accessing, automatic orientation is to the video file of low resolution, to reach result of broadcast preferably.
In fact this simple preliminary treatment can not improve its service effectiveness fully: because the differences in resolution of different mobile terminal (comprising panel computer) screen is bigger, therefore use the video resolution of unified video resolution or coarseness classification can't on most of portable terminals, obtain result of broadcast preferably like this; Because the best of different mobile terminal decoding is different with broadcast format; And the network access mode that different mobile terminal is taked also can be different; Above-mentioned mobile terminal performance and networking mode are ignored in the Online Video service; And adopting same service strategy, this also can have influence on video and download and the fluency of showing, brings bad experience to the user.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of processing method and system, video agency plant of video file, experiences to realize all kinds of portable terminals can both obtain better definition and fluency under all kinds of networking modes video playback.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of processing method of video file, this method comprises:
The video request that mobile terminal receive sends comprises the terminal equipment information of said portable terminal in the said video request;
Inquiry and the corresponding video policing parameter of said terminal equipment information from preset facility information strategy;
According to the video policing parameter of inquiry gained, from the video file of storage in advance, search the video file that is complementary with said video policing parameter, and said video file is sent to portable terminal.
Said terminal equipment information comprises: terminal models and current networking mode.
Said video policing parameter comprises: video code model and video resolution.
Said inquiry and the corresponding video policing parameter of terminal equipment information from preset facility information strategy is specially:
Inquiry and corresponding video code model of said terminal models and video resolution from said facility information strategy;
The networking mode current according to said portable terminal judged whether current bandwidth is sufficient, and when judgement is inadequate, reduced said video resolution.
The present invention also provides a kind of treatment system of video file, and this system comprises: video agency plant and video storage server, wherein,
Said video agency plant is used for the video request that mobile terminal receive sends, and comprises the terminal equipment information of said portable terminal in the said video request; Also be used for from preset inquiry of facility information strategy and the corresponding video policing parameter of said terminal equipment information, and the said video policing parameter of foundation is to said video storage server requests video;
Said video storage server is used for store video files, and is the dissimilar video file mapping of the video file creating of storage according to different video policing parameters; Also be used for according to said video policing parameter, from the video file of storage in advance, search the video file that is complementary with said video policing parameter, and said video file is sent to portable terminal through said video agency plant.
Said video agency plant further comprises: acting server and facility information policy library, wherein,
Said acting server is used for the video request that mobile terminal receive sends, and according to the terminal equipment information in the said video request to facility information policy library request strategy;
Said facility information policy library is used for from preset inquiry of facility information strategy and the corresponding video policing parameter of said terminal equipment information, and returns to said acting server;
Said acting server also is used for, and to said video storage server requests video, and the video file that said video storage server is returned sends to said portable terminal according to said video policing parameter.
Said acting server is further used for, and inquires about gained video policing parameter and corresponding terminal equipment information thereof from said facility information policy library in the buffer memory scheduled time;
After the terminal equipment information in getting access to video request, inquire about the buffer memory of self, if from said buffer memory, can inquire the video policing parameter of coupling, then according to the video policing parameter that from buffer memory, inquires to said video storage server requests video; If from said buffer memory, do not inquire the video policing parameter of coupling, then according to the terminal equipment information in the said video request to said facility information policy library request strategy.
Said terminal equipment information comprises: terminal models and current networking mode.
Said video policing parameter comprises: video code model and video resolution.
Said facility information policy library is further used for, inquiry and corresponding video code model of said terminal models and video resolution from said facility information strategy;
The networking mode current according to said portable terminal judged whether current bandwidth is sufficient, and when judgement is inadequate, reduced said video resolution.
The present invention also provides a kind of video agency plant, and this system comprises: acting server and facility information policy library, wherein,
Said acting server is used for the video request that mobile terminal receive sends, and according to the terminal equipment information in the said video request to facility information policy library request strategy;
Said facility information policy library is used for from preset inquiry of facility information strategy and the corresponding video policing parameter of said terminal equipment information, and returns to said acting server;
Said acting server also is used for, and to video storage server requests video, and the video file that said video storage server is returned sends to said portable terminal according to said video policing parameter.
Said acting server is further used for, and inquires about gained video policing parameter and corresponding terminal equipment information thereof from said facility information policy library in the buffer memory scheduled time;
After the terminal equipment information in getting access to video request, inquire about the buffer memory of self, if from said buffer memory, can inquire the video policing parameter of coupling, then according to the video policing parameter that from buffer memory, inquires to said video storage server requests video; If from said buffer memory, do not inquire the video policing parameter of coupling, then according to the terminal equipment information in the said video request to said facility information policy library request strategy.
Said terminal equipment information comprises: terminal models and current networking mode.
Said video policing parameter comprises: video code model and video resolution.
Said facility information policy library is further used for, inquiry and corresponding video code model of said terminal models and video resolution from said facility information strategy;
The networking mode current according to said portable terminal judged whether current bandwidth is sufficient, and when judgement is inadequate, reduced said video resolution.
The video request that the processing method of a kind of video file provided by the present invention and system, video agency plant, mobile terminal receive send comprises the terminal equipment information of portable terminal in the video request; Inquiry and the corresponding video policing parameter of terminal equipment information from preset facility information strategy; According to the video policing parameter of inquiry gained, from the video file of storage in advance, search the video file that is complementary with the video policing parameter, and video file is sent to portable terminal.
Through the present invention, realized that all kinds of portable terminals can both obtain the video playback experience of better definition and fluency under all kinds of networking modes.
Description of drawings
Fig. 1 is the flow chart of the processing method of a kind of video file of the present invention;
Fig. 2 is the composition structural representation of the treatment system of a kind of video file of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment technical scheme of the present invention is further set forth in detail.
The present invention is through the terminal equipment information of perception portable terminal (comprising panel computer); Dynamically (on the video storage server, safeguard the video file of the various ways of same video content to the adaptive different video file of different mobile terminals; Its video resolution and video code model etc. are had nothing in common with each other; Video playback ability with all kinds of portable terminals of best-fit), thereby make each Terminal Type under all kinds of networking modes, the video playback that can both obtain better definition and fluency is experienced.
Based on above-mentioned thought, the processing method of a kind of video file provided by the present invention, as shown in Figure 1, mainly may further comprise the steps:
The video request that step 101, mobile terminal receive are sent comprises the terminal equipment information of portable terminal in this video request.
Wherein, said terminal equipment information includes but not limited to: terminal models and current networking mode.
Store the mapping relations of various terminal equipment information and video policing parameter in the facility information strategy, wherein, the video policing parameter includes but not limited to: video code model and video resolution.
The operation of inquiry video policing parameter can be specially:
At first inquiry and corresponding video code model of terminal models and video resolution in the slave unit informational strategy;
Current according to portable terminal then networking mode judges whether current bandwidth is sufficient, if sufficient, confirms that then said video policing parameter is the video code model and the video resolution of inquiry gained; If inadequate, then turn down said video resolution, promptly confirm said video policing parameter for the video code model of inquiry gained with turn down after video resolution.
In the video storage server, store a lot of video contents; And be the mapping of the dissimilar video file of each video content creation according to different video policing parameters; For example:, store the video file of video file, 360 * 480 resolution of 360 * 240 resolution, the video file or the like of video coding H.264 for same video content.During inquiry, according to said video policing parameter, select the video file type with this video policing parameter coupling, and selected video file is sent to portable terminal.
The processing method of corresponding above-mentioned video file, the treatment system of a kind of video file provided by the present invention, as shown in Figure 2, mainly comprise: video agency plant 10 and video storage server 20.
Wherein, video agency plant 10 is used for the video request that mobile terminal receive 30 sends, and comprises the terminal equipment information of portable terminal 30 in this video request; Also be used for from preset inquiry of facility information strategy and the corresponding video policing parameter of terminal equipment information, and ask videos to video storage server 20 according to the video policing parameter.
Further, video agency plant 10 comprises: acting server 11 and facility information policy library 12.Wherein, acting server 11 is used for the video request that mobile terminal receive 30 sends, and according to the terminal equipment information in the video request to facility information policy library 12 request strategies.Facility information policy library 12 is used for from preset inquiry of facility information strategy and the corresponding video policing parameter of terminal equipment information, and returns to acting server 11.Acting server 11 also is used for, and asks videos according to the video policing parameter to video storage server 20, and the video file that video storage server 20 returns is sent to portable terminal 30.
Further, acting server 11 can also be used for, the buffer memory scheduled time (a period of time) interior slave unit informational strategy storehouse 12 inquiry gained video policing parameters and corresponding terminal equipment information thereof;
After the terminal equipment information in getting access to video request, inquire about the buffer memory of self,, then ask videos to video storage server 20 according to the video policing parameter that from buffer memory, inquires if from buffer memory, can inquire the video policing parameter of coupling; If from buffer memory, do not inquire the video policing parameter of coupling, then according to the terminal equipment information in the video request to facility information policy library 12 request strategies.
Same, terminal equipment information includes but not limited to: terminal models and current networking mode.The video policing parameter includes but not limited to: video code model and video resolution.
Further, facility information policy library 12 also can be used for, inquiry and corresponding video code model of terminal models and video resolution in the slave unit informational strategy;
The networking mode current according to portable terminal judges whether current bandwidth is sufficient, if sufficient, confirms that then said video policing parameter is the video code model and the video resolution of inquiry gained; If inadequate, then turn down said video resolution, promptly confirm said video policing parameter for the video code model of inquiry gained with turn down after video resolution.
Need to prove, above-mentioned acting server 11 and facility information policy library 12, both both can close and be located on the same station server, also can divide to be located on the different servers.
In system shown in Figure 2; Video storage server 20 is being deposited all kinds of video files; As the content provider of system of the present invention, the 20 main effects of video storage server are the video request that receive acting server 11, and return to acting server 11 with qualified video file.Acting server 11 is core components of system of the present invention with facility information policy library 12; Wherein, Acting server 11 is responsible for the request of mobile terminal receive 30 and is submitted to request analysis to handle; After this return video file according to result to portable terminal 30, this video file can be from the local cache of acting server 11, also can be from the response of video storage server 20.Acting server 11 is for obtaining the correct response of video storage server 20; Can be to the correlation properties of video storage server 20 certain video of transmission; Information such as video code model and video resolution for example; The most appropriate video file of video storage server 20 automatic couplings returns to acting server 11 then, thereby finally returns to portable terminal 30.In addition; Acting server 11 itself can also possess the function of buffer memory facility information strategy; For example: the terminal equipment information of submitting to for portable terminal 30, if occurring in the buffer memory in the recent period, so also can select to directly hit and need not remove inquiry apparatus information policy library 12 again.Stored a large amount of policy informations in the facility information policy library 12; Every strategy all is based on equipment in the relevant characteristic of Video service; For example cell phone apparatus model (corresponding resolution, hard decoder support situation), network bandwidth situation etc. correspond to different video files.
Below in conjunction with system architecture shown in Figure 2, video file processing method of the present invention is further set forth in detail.This method of operation mainly comprises following flow process:
Step 1, portable terminal 30 be to acting server 11 request videos, and video address is with (URL, Universal Resource Locator) expression, and terminal equipment information is provided in request message, comprises terminal models and current networking mode.
After step 2, acting server 11 obtains request, according to terminal models and networking mode to facility information policy library 12 further request strategies.
Step 3, facility information policy library 12 be according to terminal models and networking mode, returns the information such as match video coded format and video resolution of suggestion.
Since fixing terminal models corresponding fixing screen resolution with support information such as hard decoder, so facility information policy library 12 can terminal models directly to be matched the video code model of a primary election big or small with video resolution.Simultaneously, the networking mode of portable terminal also affects the selection of final video file, so the bandwidth information corresponding according to networking may further be adjusted video resolution information.Concrete, when insufficient bandwidth, can suitably reduce the resolution index (when bandwidth is sufficient, then directly getting final product) of video according to the resolution of mobile terminal screen the upper limit as video resolution.
Step 4, acting server 11 be according to the URL and the information such as video code model that obtains and resolution of video, video storage server 20 request videos in the same way.
Step 5, video storage server 20 return the video file of actual match and give acting server 11 according to information such as video URL, video code model and resolution.
Step 6, acting server 11 return to portable terminal 30 with the video file of actual match.
It is to be noted; Visit for adaptive each Terminal Type and all kinds of networked environments; Video storage server 20 needs to set up dissimilar video file mappings, also the terminal screen resolution of cover all kinds main flow video code model and main flow for same video content in advance.Mainly be to carry out preliminary treatment, produce a plurality of video files, for example: the video file of the video file of 360 * 240 resolution, 360 * 480 resolution, the video file or the like of video coding H.264 according to main flow indexs such as different coding form, resolution.These files externally identify with a unified URL, thereby reach the transparent effect to the user.
When receiving that acting server 11 provides particular video frequency coded format and resolution sizes, video storage server 20 can take a series of matching process to hit adaptive video file.Matching process can be: for paying the utmost attention to factor, is less important Consideration with resolution sizes with video code model; Also can take opposite significance level to consider.Match in a word the most near the video file of solicited message, it is as a result of returned to acting server 11, thereby finally offer portable terminal 12.
In addition, video file processing method of the present invention and system are not only applicable to the application scenarios that Online Video is play, and for the local downloading process of the video file of routine, technical scheme of the present invention is suitable equally.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (15)
1. the processing method of a video file is characterized in that, this method comprises:
The video request that mobile terminal receive sends comprises the terminal equipment information of said portable terminal in the said video request;
Inquiry and the corresponding video policing parameter of said terminal equipment information from preset facility information strategy;
According to the video policing parameter of inquiry gained, from the video file of storage in advance, search the video file that is complementary with said video policing parameter, and said video file is sent to portable terminal.
2. according to the processing method of the said video file of claim 1, it is characterized in that said terminal equipment information comprises: terminal models and current networking mode.
3. according to the processing method of claim 1 or 2 said video files, it is characterized in that said video policing parameter comprises: video code model and video resolution.
4. according to the processing method of the said video file of claim 3, it is characterized in that said inquiry and the corresponding video policing parameter of terminal equipment information from preset facility information strategy is specially:
Inquiry and corresponding video code model of said terminal models and video resolution from said facility information strategy;
The networking mode current according to said portable terminal judged whether current bandwidth is sufficient, and when judgement is inadequate, reduced said video resolution.
5. the treatment system of a video file is characterized in that, this system comprises: video agency plant and video storage server, wherein,
Said video agency plant is used for the video request that mobile terminal receive sends, and comprises the terminal equipment information of said portable terminal in the said video request; Also be used for from preset inquiry of facility information strategy and the corresponding video policing parameter of said terminal equipment information, and the said video policing parameter of foundation is to said video storage server requests video;
Said video storage server is used for store video files, and is the dissimilar video file mapping of the video file creating of storage according to different video policing parameters; Also be used for according to said video policing parameter, from the video file of storage in advance, search the video file that is complementary with said video policing parameter, and said video file is sent to portable terminal through said video agency plant.
6. according to the treatment system of the said video file of claim 5, it is characterized in that said video agency plant further comprises: acting server and facility information policy library, wherein,
Said acting server is used for the video request that mobile terminal receive sends, and according to the terminal equipment information in the said video request to facility information policy library request strategy;
Said facility information policy library is used for from preset inquiry of facility information strategy and the corresponding video policing parameter of said terminal equipment information, and returns to said acting server;
Said acting server also is used for, and to said video storage server requests video, and the video file that said video storage server is returned sends to said portable terminal according to said video policing parameter.
7. according to the treatment system of the said video file of claim 6, it is characterized in that said acting server is further used for, inquire about gained video policing parameter and corresponding terminal equipment information thereof from said facility information policy library in the buffer memory scheduled time;
After the terminal equipment information in getting access to video request, inquire about the buffer memory of self, if from said buffer memory, can inquire the video policing parameter of coupling, then according to the video policing parameter that from buffer memory, inquires to said video storage server requests video; If from said buffer memory, do not inquire the video policing parameter of coupling, then according to the terminal equipment information in the said video request to said facility information policy library request strategy.
8. according to the treatment system of claim 5,6 or 7 said video files, it is characterized in that said terminal equipment information comprises: terminal models and current networking mode.
9. the treatment system of said video file according to Claim 8 is characterized in that said video policing parameter comprises: video code model and video resolution.
10. according to the treatment system of the said video file of claim 9, it is characterized in that said facility information policy library is further used for, inquiry and corresponding video code model of said terminal models and video resolution from said facility information strategy;
The networking mode current according to said portable terminal judged whether current bandwidth is sufficient, and when judgement is inadequate, reduced said video resolution.
11. a video agency plant is characterized in that, this system comprises: acting server and facility information policy library, wherein,
Said acting server is used for the video request that mobile terminal receive sends, and according to the terminal equipment information in the said video request to facility information policy library request strategy;
Said facility information policy library is used for from preset inquiry of facility information strategy and the corresponding video policing parameter of said terminal equipment information, and returns to said acting server;
Said acting server also is used for, and to video storage server requests video, and the video file that said video storage server is returned sends to said portable terminal according to said video policing parameter.
12. according to the said video agency plant of claim 11, it is characterized in that said acting server is further used for, inquire about gained video policing parameter and corresponding terminal equipment information thereof from said facility information policy library in the buffer memory scheduled time;
After the terminal equipment information in getting access to video request, inquire about the buffer memory of self, if from said buffer memory, can inquire the video policing parameter of coupling, then according to the video policing parameter that from buffer memory, inquires to said video storage server requests video; If from said buffer memory, do not inquire the video policing parameter of coupling, then according to the terminal equipment information in the said video request to said facility information policy library request strategy.
13., it is characterized in that said terminal equipment information comprises: terminal models and current networking mode according to claim 11 or 12 said video agency plants.
14., it is characterized in that said video policing parameter comprises: video code model and video resolution according to the said video agency plant of claim 13.
15., it is characterized in that said facility information policy library is further used for according to the said video agency plant of claim 14, inquiry and corresponding video code model of said terminal models and video resolution from said facility information strategy;
The networking mode current according to said portable terminal judged whether current bandwidth is sufficient, and when judgement is inadequate, reduced said video resolution.
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