CN103997661A - System and method for intelligent video and subtitle file adapting and downloading - Google Patents
System and method for intelligent video and subtitle file adapting and downloading Download PDFInfo
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- CN103997661A CN103997661A CN201410177220.1A CN201410177220A CN103997661A CN 103997661 A CN103997661 A CN 103997661A CN 201410177220 A CN201410177220 A CN 201410177220A CN 103997661 A CN103997661 A CN 103997661A
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Abstract
The invention relates to audio and video technology. The invention provides a solution for the problem in the prior art that corresponding subtitle files of audio and video files are difficult to query and not accurate, and provides a system and a method for intelligent video and subtitle file adapting and downloading. The technical scheme is that the system for intelligent video and subtitle file adapting and downloading comprises a device end and a subtitle server, and the device end and the subtitle server are connected. The system and the method for intelligent video and subtitle file adapting and downloading have the beneficial effect that the system and the method bring convenience to users, and are applicable to audio and video file playing equipment with network connection.
Description
Technical field
The present invention relates to audio frequency and video technology, particularly the adaptive technology of downloading of audio frequency and video and subtitle file.
Background technology
Audio-video frequency content is the inspirit culture product of people's current consumption, on videoland and network media, all provide abundant audio-video frequency content consume and view and admire for people, simultaneously, enhancing day by day along with consumption electronic product performance, smart mobile phone, panel computer, Intelligent set top box and intelligent television have all been supported decoding and the playing function of multiple format audio-video document, to user, have brought seeing and hearing enjoyment very easily.In recent years, introducing along with colourful foreign language audio-video frequency content, promoted especially the spiritual enjoyment of people aspect audiovisual, but simultaneously due to language and culture background difference, for people understand and enjoy foreign audio-video frequency content and brought certain obstruction, in order to clear away this obstacle, audio frequency and video caption technology arises at the historic moment, people provide independently subtitle file for corresponding audio-video frequency content, user can synchronously open and show caption content when watching, the content understanding obstacle bringing to solve language, but many audio frequency and video itself that people download from the Internet lack the subtitle file matching, therefore need that user is follow-up oneself removes to search and download the subtitle file mating with these audio frequency and video, for user, very loaded down with trivial details and bothersome of the search of subtitle file and downloading process, in prior art, as a sudden peal of thunder looks to wait the audio frequency and video playout software on computer, can automatically on its server, inquire about and download corresponding subtitle file according to audio-video document name, but it is only inquired about according to identical filename or keyword, in a lot of situations, all cannot inquire correct subtitle file.
Summary of the invention
The corresponding subtitle file polling difficulty and the inaccurate shortcoming that the object of the invention is to overcome current audio-video document, provide a kind of video and subtitle file intelligent adaptation download system and method.
The present invention solves its technical problem, and the technical scheme of employing is, video and subtitle file intelligent adaptation download system, comprise equipment end, it is characterized in that, also comprise subtitle server, described equipment end is connected with subtitle server;
Described subtitle server is for storing the subtitle file that audio-video document is corresponding, obtain the Hash characteristic value of at least 3 sections of contents of fixed position in the audio-video document that this subtitle file is corresponding, it is carried out corresponding with this subtitle file, and obtain the name critical field of this video file, it is carried out corresponding with this subtitle file, and the corresponding Hash characteristic value of the audio-video document sending according to equipment end is inquired about corresponding subtitle file, inquire the backward equipment end of corresponding subtitle file and return to the download address of this subtitle file, if inquire the filename of the audio-video document sending according to equipment end, do not carry out matching inquiry, if inquire the download address that the backward equipment end of corresponding subtitle file is returned to this subtitle file, if not inquiring yet Returning equipment end searches unsuccessfully,
Described equipment end is for obtaining the filename that local audio-video document is complete, and extract the Hash characteristic value of at least 3 sections of contents of fixed position in this audio-video document, filename and this Hash characteristic value that this audio-video document is complete send to subtitle server to inquire about, receive the download address of the subtitle file that subtitle server returns or search failure information, the download address of the subtitle file returning according to the subtitle server receiving, downloads corresponding subtitle file.
Concrete, at least 3 sections of contents of described fixed position are: 4 sections of contents of fixed position.
Further, 4 of described fixed position sections of contents are: one section of byte data of the 8K position of audio-video document, one section of byte data of inverse 8K position of audio-video document are, one section of byte data of one section of byte data of 1/3rd positions of audio-video document and 2/3rds positions of audio-video document.
Concrete, described one section of byte data is 4K byte data.
Video and subtitle file intelligent adaptation the method for downloading, is characterized in that, comprises the following steps:
Step 1, subtitle server are collected audio-video document and corresponding subtitle file thereof;
Step 2, subtitle server are obtained the Hash characteristic value of at least 3 sections of contents of fixed position in this audio-video document, it is carried out corresponding with this subtitle file, and obtain the name critical field of this audio-video document, it is carried out corresponding with this subtitle file, store this subtitle file and corresponding relation thereof, the download address of this subtitle file is set;
Step 3, equipment end enter captions coupling and download, and get the filename that local audio-video document is complete, and extract the Hash characteristic value of at least 3 sections of contents of fixed position in this audio-video document;
Step 4, equipment end send to subtitle server by complete filename and this Hash characteristic value of this audio-video document;
Step 5, subtitle server receive complete filename and the Hash characteristic value thereof of audio-video document that equipment end is sent, according to this Hash characteristic value, inquire about, if inquire, preserve the Hash characteristic value consistent with it and enter next step, if do not inquire, preserve the Hash characteristic value consistent with it and enter step 8;
Step 6, subtitle server return to equipment end by the download address of subtitle file corresponding to this Hash characteristic value;
Step 7, equipment end receive the download address that subtitle server is returned, and according to download address, download this subtitle file, have downloaded the filename of rear this subtitle file of change and the filename of local audio-video document is corresponding, exit captions coupling and download;
Step 8, subtitle server are carried out matching inquiry according to the complete filename receiving, if inquire corresponding subtitle file, enter step 6, if inquire yet, to equipment end, do not return and search failure information, equipment end is pointed out user after receiving and searching failure information, and exits captions and download.
Concrete, in step 2, at least 3 sections of contents of described fixed position are: 4 sections of contents of fixed position.
Further, 4 of described fixed position sections of contents are: one section of byte data of the 8K position of audio-video document, one section of byte data of inverse 8K position of audio-video document are, one section of byte data of one section of byte data of 1/3rd positions of audio-video document and 2/3rds positions of audio-video document.
Concrete, described one section of byte data is 4K byte data.
Further, in step 8, the complete filename that described basis receives carries out matching inquiry and refers to: extract keyword or keyword in this document name, contrast inquiry with the filename of storing in subtitle server.
The invention has the beneficial effects as follows, by above-mentioned video and subtitle file intelligent adaptation download system and method, can automatically download the subtitle file corresponding with local audio-video document, and owing to using Hash characteristic value to inquire about, the subtitle file inquiring is more accurate, facilitates user.
Accompanying drawing explanation
Fig. 1 is the system block diagram of video of the present invention and subtitle file intelligent adaptation download system.
Embodiment
Below in conjunction with drawings and Examples, describe technical scheme of the present invention in detail.
Video of the present invention and subtitle file intelligent adaptation download system are connected to form by subtitle server and equipment end, wherein, subtitle server is for storing the subtitle file that audio-video document is corresponding, obtain the Hash characteristic value of at least 3 sections of contents of fixed position in the audio-video document that this subtitle file is corresponding, it is carried out corresponding with this subtitle file, and obtain the name critical field of this video file, it is carried out corresponding with this subtitle file, and the corresponding Hash characteristic value of the audio-video document sending according to equipment end is inquired about corresponding subtitle file, inquire the backward equipment end of corresponding subtitle file and return to the download address of this subtitle file, if inquire the filename of the audio-video document sending according to equipment end, do not carry out matching inquiry, if inquire the download address that the backward equipment end of corresponding subtitle file is returned to this subtitle file, if not inquiring yet Returning equipment end searches unsuccessfully, equipment end is for obtaining the filename that local audio-video document is complete, and extract the Hash characteristic value of at least 3 sections of contents of fixed position in this audio-video document, filename and this Hash characteristic value that this audio-video document is complete send to subtitle server to inquire about, receive the download address of the subtitle file that subtitle server returns or search failure information, the download address of the subtitle file returning according to the subtitle server receiving, downloads corresponding subtitle file.Video of the present invention with the method for subtitle file intelligent adaptation download is: first subtitle server is collected audio-video document and corresponding subtitle file thereof, obtain the Hash characteristic value of at least 3 sections of contents of fixed position in this audio-video document, it is carried out corresponding with this subtitle file, and obtain the name critical field of this video file, it is carried out corresponding with this subtitle file, store this subtitle file and corresponding relation thereof, the download address of this subtitle file is set, when entering captions coupling, equipment end downloads, get the filename that local audio-video document is complete, and extract the Hash characteristic value of at least 3 sections of contents of fixed position in this audio-video document, then equipment end sends to subtitle server by complete filename and this Hash characteristic value of this audio-video document, subtitle server receives after the filename and Hash characteristic value thereof that audio-video document that equipment end sends is complete, according to this Hash characteristic value, inquire about, if inquire, preserve the Hash characteristic value consistent with it subtitle server the download address of subtitle file corresponding to this Hash characteristic value is returned to equipment end, equipment end receives the download address that subtitle server is returned, according to download address, download this subtitle file, after download completes, the filename of this subtitle file of change and the filename of local audio-video document are corresponding, exiting captions coupling downloads, if do not inquire, preserve the Hash characteristic value consistent with it complete filename that subtitle server basis receives and carry out matching inquiry, if inquire corresponding subtitle file subtitle server the download address of subtitle file corresponding to this Hash characteristic value is returned to equipment end, equipment end receives the download address that subtitle server is returned, according to download address, download this subtitle file, after download completes, the filename of this subtitle file of change and the filename of local audio-video document are corresponding, exiting captions coupling downloads, if inquire yet, to equipment end, do not return and search failure information, equipment end is pointed out user after receiving and searching failure information, and exit captions and download.
Embodiment
The video that this is routine and subtitle file intelligent adaptation download system are connected to form by subtitle server and equipment end, wherein, subtitle server is for storing the subtitle file that audio-video document is corresponding, obtain the Hash characteristic value of at least 3 sections of contents of fixed position in the audio-video document that this subtitle file is corresponding, it is carried out corresponding with this subtitle file, and obtain the name critical field of this video file, it is carried out corresponding with this subtitle file, and the corresponding Hash characteristic value of the audio-video document sending according to equipment end is inquired about corresponding subtitle file, inquire the backward equipment end of corresponding subtitle file and return to the download address of this subtitle file, if inquire the filename of the audio-video document sending according to equipment end, do not carry out matching inquiry, if inquire the download address that the backward equipment end of corresponding subtitle file is returned to this subtitle file, if not inquiring yet Returning equipment end searches unsuccessfully, equipment end is for obtaining the filename that local audio-video document is complete, and extract the Hash characteristic value of at least 3 sections of contents of fixed position in this audio-video document, filename and this Hash characteristic value that this audio-video document is complete send to subtitle server to inquire about, receive the download address of the subtitle file that subtitle server returns or search failure information, the download address of the subtitle file returning according to the subtitle server receiving, downloads corresponding subtitle file.
At least 3 of fixed position sections of 4 sections of contents that content is fixed position in this example, are specifically as follows: one section of byte data of the 8K position of audio-video document, one section of byte data of inverse 8K position of audio-video document are, one section of byte data of one section of byte data of 1/3rd positions of audio-video document and 2/3rds positions of audio-video document.This section of byte data can be 4K byte data.
Certainly, also can only select as required 3 sections of contents of fixed position, be specifically as follows: audio-video document starts one section of byte data of XK position, one section of byte data at one section of byte data of the inverse YK position of audio-video document and place, the centre position of audio-video document, wherein, X and Y are positive integer.Can be also in like manner the multistage content of other quantity of fixed position perhaps in 5 sections of fixed position, but not advise exceeding 10 sections of contents of fixed position, can cause like this data processing compared with slow and to take resource more.
During its concrete use, comprise following concrete steps:
Step 1, subtitle server are collected audio-video document and corresponding subtitle file thereof.
Step 2, subtitle server are obtained the Hash characteristic value of at least 3 sections of contents of fixed position in this audio-video document, it is carried out corresponding with this subtitle file, and obtain the name critical field of this audio-video document, it is carried out corresponding with this subtitle file, store this subtitle file and corresponding relation thereof, the download address of this subtitle file is set.
In this step, it is example that at least 3 sections of contents of fixed position be take 4 sections of contents of fixed position, is specifically as follows: one section of byte data of the 8K position of audio-video document, one section of byte data of inverse 8K position of audio-video document are, one section of byte data of one section of byte data of 1/3rd positions of audio-video document and 2/3rds positions of audio-video document.This section of byte data can be 4K byte data.
Certainly, also can only select as required 3 sections of contents of fixed position, be specifically as follows: audio-video document starts one section of byte data of XK position, one section of byte data at one section of byte data of the inverse YK position of audio-video document and place, the centre position of audio-video document, wherein, X and Y are positive integer.Can be also in like manner the multistage content of other quantity of fixed position perhaps in 5 sections of fixed position, but not advise exceeding 10 sections of contents of fixed position, can cause like this data processing compared with slow and to take resource more.
Step 3, equipment end enter captions coupling and download, and get the filename that local audio-video document is complete, and extract the Hash characteristic value of at least 3 sections of contents of fixed position in this audio-video document.
Step 4, equipment end send to subtitle server by complete filename and this Hash characteristic value of this audio-video document.
Step 5, subtitle server receive complete filename and the Hash characteristic value thereof of audio-video document that equipment end is sent, according to this Hash characteristic value, inquire about, if inquire, preserve the Hash characteristic value consistent with it and enter next step, if do not inquire, preserve the Hash characteristic value consistent with it and enter step 8.
Step 6, subtitle server return to equipment end by the download address of subtitle file corresponding to this Hash characteristic value.
Step 7, equipment end receive the download address that subtitle server is returned, and according to download address, download this subtitle file, have downloaded the filename of rear this subtitle file of change and the filename of local audio-video document is corresponding, exit captions coupling and download.
Step 8, subtitle server are carried out matching inquiry according to the complete filename receiving, if inquire corresponding subtitle file, enter step 6, if inquire yet, to equipment end, do not return and search failure information, equipment end is pointed out user after receiving and searching failure information, and exits captions and download.
In this step, the complete filename that described basis receives carries out matching inquiry and refers to: extract keyword or keyword in this document name, contrast inquiry with the filename of storing in subtitle server.
Concrete example is as follows:
Wherein, it is example that at least 3 sections of contents of fixed position be take 4 sections of contents of fixed position, in this example, is specially: one section of byte data of the 8K position of audio-video document, one section of byte data of inverse 8K position of audio-video document are, one section of byte data of one section of byte data of 1/3rd positions of audio-video document and 2/3rds positions of audio-video document.This section of byte data is 4K byte data.
When subtitle server is collected audio-video document 1 and corresponding subtitle file 1 thereof, then obtain the Hash characteristic value of 4 sections of contents of fixed position in this audio-video document, the 4K byte data that comprises the 8K position of audio-video document, the 4K byte data of the inverse 8K position of audio-video document, the 4K byte data of the 4K byte data of 1/3rd positions of audio-video document and 2/3rds positions of audio-video document, its Hash characteristic value is designated as respectively A, B, C and D, it is carried out corresponding with this subtitle file 1, and obtain the name critical field of this audio-video document, it is carried out corresponding with this subtitle file, store this subtitle file and corresponding relation thereof, comprise this subtitle file 1, the Hash characteristic value A corresponding with it, B, C and D, and the name critical field of the audio-video document corresponding with this subtitle file, the download address of this subtitle file 1 is set.
When entering captions coupling, equipment end downloads, get the complete filename of local audio-video document 2, and extract the Hash characteristic value of 4 sections of contents of fixed position in this audio-video document 2, be designated as respectively E, F, G and H, equipment end sends to subtitle server by complete filename and this Hash characteristic value of this audio-video document, subtitle server receives complete filename and the Hash characteristic value (E thereof of audio-video document that equipment end is sent, F, G and H), according to this Hash characteristic value (E, F, G and H) inquire about, (inquiring the Hash characteristic value that certain subtitle file is corresponding is E if inquire, to preserve the Hash characteristic value consistent with it, F, G and H) subtitle server the download address of subtitle file corresponding to this Hash characteristic value is returned to equipment end, equipment end receives the download address that subtitle server is returned, according to download address, download this subtitle file, after download completes, the filename of this subtitle file of change and the filename of local audio-video document are corresponding, exiting captions coupling downloads, if do not inquire, preserving the Hash characteristic value consistent with it (does not inquire and stores and Hash characteristic value E, F, the subtitle file that G and H are corresponding) subtitle server is carried out matching inquiry according to the complete filename receiving, if inquire corresponding subtitle file subtitle server the download address of subtitle file corresponding to this Hash characteristic value is returned to equipment end, equipment end receives the download address that subtitle server is returned, according to download address, download this subtitle file, after download completes, the filename of this subtitle file of change and the filename of local audio-video document are corresponding, exiting captions coupling downloads, if inquire yet, to equipment end, do not return and search failure information, equipment end is pointed out user after receiving and searching failure information, and exit captions and download.
Claims (9)
1. video and subtitle file intelligent adaptation download system, comprise equipment end, it is characterized in that, also comprise subtitle server, described equipment end is connected with subtitle server;
Described subtitle server is for storing the subtitle file that audio-video document is corresponding, obtain the Hash characteristic value of at least 3 sections of contents of fixed position in the audio-video document that this subtitle file is corresponding, it is carried out corresponding with this subtitle file, and obtain the name critical field of this video file, it is carried out corresponding with this subtitle file, and the corresponding Hash characteristic value of the audio-video document sending according to equipment end is inquired about corresponding subtitle file, inquire the backward equipment end of corresponding subtitle file and return to the download address of this subtitle file, if inquire the filename of the audio-video document sending according to equipment end, do not carry out matching inquiry, if inquire the download address that the backward equipment end of corresponding subtitle file is returned to this subtitle file, if not inquiring yet Returning equipment end searches unsuccessfully,
Described equipment end is for obtaining the filename that local audio-video document is complete, and extract the Hash characteristic value of at least 3 sections of contents of fixed position in this audio-video document, filename and this Hash characteristic value that this audio-video document is complete send to subtitle server to inquire about, receive the download address of the subtitle file that subtitle server returns or search failure information, the download address of the subtitle file returning according to the subtitle server receiving, downloads corresponding subtitle file.
2. video and subtitle file intelligent adaptation download system according to claim 1, is characterized in that, at least 3 sections of contents of described fixed position are: 4 sections of contents of fixed position.
3. video and subtitle file intelligent adaptation download system according to claim 2, it is characterized in that, 4 sections of contents of described fixed position are: one section of byte data of the 8K position of audio-video document, one section of byte data of inverse 8K position of audio-video document are, one section of byte data of one section of byte data of 1/3rd positions of audio-video document and 2/3rds positions of audio-video document.
4. video and subtitle file intelligent adaptation download system according to claim 3, is characterized in that, described one section of byte data is 4K byte data.
5. the method for video and subtitle file intelligent adaptation download, is characterized in that, comprises the following steps:
Step 1, subtitle server are collected audio-video document and corresponding subtitle file thereof;
Step 2, subtitle server are obtained the Hash characteristic value of at least 3 sections of contents of fixed position in this audio-video document, it is carried out corresponding with this subtitle file, and obtain the name critical field of this audio-video document, it is carried out corresponding with this subtitle file, store this subtitle file and corresponding relation thereof, the download address of this subtitle file is set;
Step 3, equipment end enter captions coupling and download, and get the filename that local audio-video document is complete, and extract the Hash characteristic value of at least 3 sections of contents of fixed position in this audio-video document;
Step 4, equipment end send to subtitle server by complete filename and this Hash characteristic value of this audio-video document;
Step 5, subtitle server receive complete filename and the Hash characteristic value thereof of audio-video document that equipment end is sent, according to this Hash characteristic value, inquire about, if inquire, preserve the Hash characteristic value consistent with it and enter next step, if do not inquire, preserve the Hash characteristic value consistent with it and enter step 8;
Step 6, subtitle server return to equipment end by the download address of subtitle file corresponding to this Hash characteristic value;
Step 7, equipment end receive the download address that subtitle server is returned, and according to download address, download this subtitle file, have downloaded the filename of rear this subtitle file of change and the filename of local audio-video document is corresponding, exit captions coupling and download;
Step 8, subtitle server are carried out matching inquiry according to the complete filename receiving, if inquire corresponding subtitle file, enter step 6, if inquire yet, to equipment end, do not return and search failure information, equipment end is pointed out user after receiving and searching failure information, and exits captions and download.
6. the method that video and subtitle file intelligent adaptation are also downloaded according to claim 5, is characterized in that, in step 2, at least 3 sections of contents of described fixed position are: 4 sections of contents of fixed position.
7. the method that video and subtitle file intelligent adaptation are also downloaded according to claim 6, it is characterized in that, 4 sections of contents of described fixed position are: one section of byte data of the 8K position of audio-video document, one section of byte data of inverse 8K position of audio-video document are, one section of byte data of one section of byte data of 1/3rd positions of audio-video document and 2/3rds positions of audio-video document.
8. the method that video and subtitle file intelligent adaptation are also downloaded according to claim 7, is characterized in that, described one section of byte data is 4K byte data.
9. according to the method for video described in claim 5 or 6 or 7 or 8 and subtitle file intelligent adaptation download, it is characterized in that, in step 8, the complete filename that described basis receives carries out matching inquiry and refers to: extract keyword or keyword in this document name, contrast inquiry with the filename of storing in subtitle server.
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