CN105872745A - Extension method and device of input data sources - Google Patents
Extension method and device of input data sources Download PDFInfo
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- CN105872745A CN105872745A CN201510975974.6A CN201510975974A CN105872745A CN 105872745 A CN105872745 A CN 105872745A CN 201510975974 A CN201510975974 A CN 201510975974A CN 105872745 A CN105872745 A CN 105872745A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/7243—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality with interactive means for internal management of messages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
- H04N21/4398—Processing of audio elementary streams involving reformatting operations of audio signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
Abstract
The invention discloses an extension method and device of input data sources, wherein the method comprises following steps of receiving an input file; separating audio data and video data of the input file, thus obtaining the audio data and the video data; decoding the audio data and the video data, thus obtaining an audio data source and a video data source of data source formats supported by a preset interface; and providing the audio data source and the video data source for the preset interface as the input data sources. According to the method and the device, the input data sources of the preset interface are extended; and the defect that the preset interface only can receive the specific data sources and the type of the data sources is relatively single is overcome.
Description
Technical field
The present invention relates to areas of information technology, be specifically related to a kind of extended method inputting data source and device.
Background technology
Media Recorder Applied layer interface in android system is a set of Java Applied layer interface,
User is when utilizing the photographic head recorded video etc. of terminal unit, and needing to call this Applied layer interface should by this
The source interface calling StageFrightRecoder interface with layer interface realizes input, but, should
The input mode of the source interface of StageFrightRecoder interface is the most single, only supports to utilize photographic head to record
The data of system, but, along with terminal unit performance is more and more higher, original StageFrightRecoder
The source interface of interface cannot meet following application scenarios:
Coded data is as input, and data encoded for such as IP camera cannot be as input;
The files such as the local file of terminal such as mp4, avi cannot be as input.Therefore, solution is needed badly
The problem that the input file of the source interface of StageFrightRecoder interface is the most single.
Summary of the invention
In view of the above problems, it is proposed that the present invention is to provide one to overcome the problems referred to above or at least partly
Ground solves the extended method of the input data source of the problems referred to above and the corresponding expanding unit inputting data source.
According to an aspect of the invention, it is provided a kind of extended method inputting data source, method includes:
Receive input file, input file is carried out audio, video data separating treatment, obtain voice data,
Video data;
It is decoded processing to voice data, video data respectively, obtains the data that preset interface is supported
The audio data sources of source format, video data source;
Audio data sources, video data source are supplied to preset interface as input data source.
Alternatively, before input file is carried out audio, video data separating treatment, method also includes:
Analyze the file container format of input file, it is judged that whether the file container format of input file is pre-
If file container format, the most then input file is carried out audio, video data separating treatment.
Alternatively, preset file container format include: mp4, mkv, avi, mp3, mpeg, wmv,
rm。
Alternatively, input file is carried out audio frequency and video separating treatment to farther include:
Utilize shunt that input file is separated into voice data, video data by calling separation interface.
Alternatively, the method also includes: the input data source receiving preset interface carries out coded treatment,
Obtain coded data;
It is packaged coded data processing, obtains the file of corresponding format.
Alternatively, preset interface is the StageFrightRecoder that Media Recorder application layer is called
The source interface of layer.
According to a further aspect in the invention, it is provided that a kind of expanding unit inputting data source, device includes:
Separation module, is suitable to receive input file, input file is carried out audio, video data separating treatment,
Obtain voice data, video data;
Decoding process module, is suitable to be decoded processing to voice data, video data respectively, obtains pre-
If the audio data sources of the data source format that interface is supported, video data source;
Input module, is suitable to be supplied to preset as input data source using audio data sources, video data source
Interface.
Alternatively, device also includes: analyzes module, is suitable to analyze the document container lattice of described input file
Formula;
Judge module, is suitable to judge whether the file container format of described input file is that default file holds
Device form;
Separation module is further adapted for: the file container format judging input file at judge module is default
File container format in the case of, input file is carried out audio, video data separating treatment.
Alternatively, preset file container format include: mp4, mkv, avi, mp3, mpeg, wmv,
rm。
Alternatively, separation module is further adapted for: utilize shunt by civilian for input by calling separation interface
Part is separated into voice data, video data.
Alternatively, this device also includes: coded treatment module, is suitable to the input number receiving preset interface
Carry out coded treatment according to source, obtain coded data;
Package module, is suitable to be packaged coded data processing, obtains the file of corresponding format.
Alternatively, preset interface is the StageFrightRecoder that Media Recorder application layer is called
The source interface of layer.
The scheme provided according to the present invention, by input file is carried out audio, video data separating treatment,
To voice data, video data, it is decoded processing to voice data, video data respectively, obtains pre-
If the audio data sources of the data source format that interface is supported, video data source, by audio data sources, regard
Frequently data source is supplied to preset interface as input data source, it is achieved that to preset interface input data source
Extension, overcomes preset interface and is only capable of receiving specific data source, the most single defect.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the skill of the present invention
Art means, and can being practiced according to the content of description, and in order to allow, the present invention's is above and other
Objects, features and advantages can become apparent, below especially exemplified by the detailed description of the invention of the present invention.
Accompanying drawing explanation
By reading the detailed description of hereafter preferred implementation, various other advantage and benefit for this
Field those of ordinary skill will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred implementation,
And it is not considered as limitation of the present invention.And in whole accompanying drawing, be denoted by the same reference numerals
Identical parts.In the accompanying drawings:
Fig. 1 shows the flow chart of the extended method inputting data source according to an embodiment of the invention;
Fig. 2 shows the flow process of the extended method inputting data source in accordance with another embodiment of the present invention
Figure;
Fig. 3 shows the structural frames of the expanding unit inputting data source according to an embodiment of the invention
Figure;
Fig. 4 shows the structural frames of the expanding unit inputting data source in accordance with another embodiment of the present invention
Figure.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing shows
The exemplary embodiment of the disclosure, it being understood, however, that may be realized in various forms the disclosure and not
Should be limited by embodiments set forth here.On the contrary, it is provided that these embodiments are able to more thoroughly
Understand the disclosure, and complete for the scope of the present disclosure can be conveyed to those skilled in the art.
Fig. 1 shows the flow chart of the extended method inputting data source according to an embodiment of the invention.
As it is shown in figure 1, the method comprises the following steps:
Step S100, receives input file, input file is carried out audio, video data separating treatment, obtains
Voice data, video data.
In this step, by user by the way of selecting file terminal, or can be recorded by terminal
The mode of system obtains input file.Wherein, input file can be video file or audio file, and this is defeated
Enter file and can comprise voice data, video data.
After receiving above-mentioned file, need to separate the voice data of input file, video data, can
To use audio, video data isolation technics that input file is carried out audio, video data separating treatment, obtain audio frequency
Data, video data.
Step S101, is decoded processing to voice data, video data respectively, obtains preset interface institute
The audio data sources of data source format of support, video data source.
Typically, audio data sources, video data source obtain audio file or video file needs to compile
Code processes, therefore, after the voice data utilizing step S100 to obtain, video data are encoded
Data, these data can not be as the input data of preset interface, therefore, it is also desirable to the sound obtained
Frequency evidence, video data are decoded processing, and obtain the sound of the data source format that this preset interface is supported
Frequently data source, video data source.
Step S102, is supplied to preset interface using audio data sources, video data source as input data source.
The audio data sources, the video data source that obtain in step S101 are the data meeting preset interface
Source, is supplied to preset interface as input data source using audio data sources, video data source, thus realizes
Extension to preset interface input data source.
The method provided according to the above embodiment of the present invention, divides by input file is carried out audio, video data
From process, obtain voice data, video data, respectively voice data, video data are decoded place
Reason, obtains the audio data sources of the data source format that preset interface is supported, video data source, by audio frequency
Data source, video data source are supplied to preset interface as input data source, it is achieved that defeated to preset interface
Enter the extension of data source, overcome preset interface and be only capable of receiving specific data source, the most single defect.
Fig. 2 shows the flow process of the extended method inputting data source in accordance with another embodiment of the present invention
Figure.Wherein, the present embodiment calls with preset interface for Media Recorder application layer
As a example by the source interface of StageFrightRecoder layer, describe in detail.As in figure 2 it is shown, the method bag
Include following steps:
Step S200, receives input file, analyzes the file container format of input file.
The input file received in this step can be video file or audio file, no matter is audio file
Or video file, is all a multimedia container, say, that container can be used to distinguish difference
The data type of file, container can accommodate one or more video data, voice data, captions, its
In, video data, voice data, captions are also referred to as basic flow data.
General described file format or suffix name i.e. refer to the Container Format of file, such as one file
The entitled mp4 of suffix, then the file container format of this document is mp4.
Generally, the file container format of input file can be determined by the suffix name of file,
But, some file not suffix name i.e. conceals its real file container format, can be by literary composition
Part leader will identifies that the method for file practical structures obtains the file container format of input file, or,
By collecting substantial amounts of file format condition code, when Study document by itself and the spy being saved in lane database
Levy the method that code carries out mating, obtain the file container format of input file, be merely illustrative here,
Not there is any restriction effect.
Step S201, it is judged that whether the file container format of input file is default file container format,
The most then perform step S202;If otherwise method terminates.
Wherein, preset file container format include: mp4, mkv, avi, mp3, mpeg, wmv,
Rm, is merely illustrative here, does not have any restriction effect, and other files meeting the application hold
Device form all should comprise in the application protection domain.
The generally source interface of the StageFrightRecoder layer that Media Recorder application layer is called only is supported
The input file of particular data, specially audio data sources and video data source, such as yuv data,
And the file of encoded data or this locality such as mp4 file cannot input to as input data source
The source interface of the StageFrightRecoder layer that Media Recorder application layer is called.
After analyze the file container format obtaining input file according to step S200, it is judged that input file
Whether file container format is default file container format, primarily to judge that input file whether may be used
Defeated with the source interface of StageFrightRecoder layer that calls directly as Media Recorder application layer
Enter data source, if need input file is processed, so that it meets Media Recorder application
The input requirements of the source interface of the StageFrightRecoder layer that layer calls.
Step S202, by call separation interface utilize shunt input file is separated into voice data,
Video data.
Utilizing step S201 to judge, the file container format of input file is default file container format
Middle one in the case of, input file will be carried out voice data, video data separating treatment, specifically
Ground, utilizes shunt (Demux) by defeated by calling separation interface (Media Extractor interface)
Enter the voice data in file, video data is separated.
Step S203, is decoded processing to voice data, video data respectively, obtains preset interface institute
The audio data sources of data source format of support, video data source.
Typically, audio data sources, video data source obtain audio file or video file needs to compile
Code processes, therefore, after the voice data utilizing step S202 to obtain, video data are encoded
Data, the StageFrightRecoder that these data can not be called as Media Recorder application layer
The input data of the source interface of layer, therefore, it is also desirable to solve the voice data obtained, video data
Code processes, and obtains the source interface of the StageFrightRecoder layer that this Media Recorder application layer is called
The audio data sources of the data source format supported, video data source.
Step S204, is supplied to preset interface using audio data sources, video data source as input data source.
The audio data sources, the video data source that obtain in step S203 are to meet Media Recorder
The data source of the source interface of the StageFrightRecoder layer that application layer is called, by audio data sources, video
Data source is supplied to what Media Recorder application layer was called as input data source
The source interface of StageFrightRecoder layer, it is achieved thereby that Media Recorder application layer is called
The extension of the source interface input data source of StageFrightRecoder layer.
Step S205, the input data source receiving preset interface carries out coded treatment, obtains coded data.
For the ease of the source interface to the StageFrightRecoder layer that Media Recorder application layer is called
The input data source received is transmitted and reduces transmission desire bandwidth, in this step, to Media
The input data source that the source interface of the StageFrightRecoder layer that Recorder application layer is called receives is carried out
Coded treatment, data change after encoded process file space, reduce file size.
Step S206, is packaged coded data processing, obtains the file of corresponding format.
In this step, it is packaged coded data processing, is mainly packaged format analysis processing, by
Encoded data is put in a file according to certain form, when being packaged format analysis processing, and can
To change file format as required.
The method provided according to the above embodiment of the present invention, by judging the file container format of input file
Whether it is default file container format, determines whether input file can be directly as Media
The input data source of the source interface of the StageFrightRecoder layer that Recorder application layer is called, if need
Input file is processed, so that it meets what Media Recorder application layer was called
The input requirements of the source interface of StageFrightRecoder layer, the file container format at input file is pre-
If file container format in the case of, by call separation interface utilize shunt by input file separate
For voice data, video data, it is decoded processing to voice data, video data respectively, obtains pre-
If the audio data sources of the data source format that interface is supported, video data source, by audio data sources, regard
Frequently data source is supplied to preset interface as input data source, it is achieved that to Media Recorder application layer
The extension of the source interface input data source of the StageFrightRecoder layer called, only overcomes preset interface
Specific data source, the most single defect can be received;The input data source receiving preset interface is carried out
Coded treatment, obtains coded data, have changed file space, reduces file size, enters coded data
Row encapsulation process, obtains the file of corresponding format, meets application demand.
Fig. 3 shows the structural frames of the expanding unit inputting data source according to an embodiment of the invention
Figure.As it is shown on figure 3, this device 300 includes: separation module 301, decoding process module 302 and defeated
Enter module 303.
Separation module 301, is suitable to receive input file, carries out input file at audio, video data separation
Reason, obtains voice data, video data.
Decoding process module 302, is suitable to be decoded processing to voice data, video data respectively,
The audio data sources of data source format supported to preset interface, video data source.
Input module 303, is suitable to be supplied to audio data sources, video data source as input data source
Preset interface.
The device provided according to the above embodiment of the present invention, divides by input file is carried out audio, video data
From process, obtain voice data, video data, respectively voice data, video data are decoded place
Reason, obtains the audio data sources of the data source format that preset interface is supported, video data source, by audio frequency
Data source, video data source are supplied to preset interface as input data source, it is achieved that defeated to preset interface
Enter the extension of data source, overcome preset interface and be only capable of receiving specific data source, the most single defect.
Fig. 4 shows the structural frames of the expanding unit inputting data source in accordance with another embodiment of the present invention
Figure.As shown in Figure 4, this device 400 includes: separation module 401, decoding process module 402 and defeated
Enter module 403.
Separation module 401, is suitable to receive input file, carries out input file at audio, video data separation
Reason, obtains voice data, video data.
Decoding process module 402, is suitable to be decoded processing to voice data, video data respectively,
The audio data sources of data source format supported to preset interface, video data source.
Input module 403, is suitable to be supplied to audio data sources, video data source as input data source
Preset interface.
Alternatively, this device also includes: analyzes module 404, is suitable to analyze the file of described input file
Container Format.
Judge module 405, is suitable to judge whether the file container format of described input file is default literary composition
Part Container Format.
Wherein, preset file container format include: mp4, mkv, avi, mp3, mpeg, wmv,
rm。
Separation module 401 is further adapted for: the file container format judging input file at judge module is
In the case of the file container format preset, input file is carried out audio, video data separating treatment.
Alternatively, separation module 401 is further adapted for: utilize shunt by defeated by calling separation interface
Enter file and be separated into voice data, video data.
Alternatively, this device also includes: coded treatment module 406, be suitable to preset interface receive defeated
Enter data source and carry out coded treatment, obtain coded data.
Package module 407, is suitable to be packaged coded data processing, obtains the file of corresponding format.
Alternatively, preset interface is the StageFrightRecoder that Media Recorder application layer is called
The source interface of layer.
The device provided according to the above embodiment of the present invention, by judging the file container format of input file
Whether it is default file container format, determines whether input file can be directly as Media
The input data source of the source interface of the StageFrightRecoder layer that Recorder application layer is called, if need
Input file is processed, so that it meets what Media Recorder application layer was called
The input requirements of the source interface of StageFrightRecoder layer, the file container format at input file is pre-
If file container format in the case of, by call separation interface utilize shunt by input file separate
For voice data, video data, it is decoded processing to voice data, video data respectively, obtains pre-
If the audio data sources of the data source format that interface is supported, video data source, by audio data sources, regard
Frequently data source is supplied to preset interface as input data source, it is achieved that to Media Recorder application layer
The extension of the source interface input data source of the StageFrightRecoder layer called, only overcomes preset interface
Specific data source, the most single defect can be received;The input data source receiving preset interface is carried out
Coded treatment, obtains coded data, have changed file space, reduces file size, enters coded data
Row encapsulation process, obtains the file of corresponding format, meets application demand.
Described above illustrate and describes some preferred embodiments of the application, but as previously mentioned, it should reason
Solve the application and be not limited to form disclosed herein, be not to be taken as the eliminating to other embodiments,
And can be used for various other combination, amendment and environment, and can in invention contemplated scope described herein,
It is modified by above-mentioned teaching or the technology of association area or knowledge.And those skilled in the art are carried out changes
Move and change is without departing from spirit and scope, the most all should be in the protection of the application claims
In the range of.
Claims (12)
1. the extended method inputting data source, it is characterised in that described method includes:
Receive input file, described input file is carried out audio, video data separating treatment, obtains audio frequency number
According to, video data;
It is decoded processing to described voice data, described video data respectively, obtains preset interface and propped up
The audio data sources of the data source format held, video data source;
Described audio data sources, described video data source as input data source, are supplied to described presetting and connect
Mouthful.
Method the most according to claim 1, it is characterised in that described input file is being carried out sound
Before video data separating treatment, described method also includes:
Analyze the file container format of described input file, it is judged that the file container format of described input file
Whether it is default file container format, the most then input file is carried out audio, video data separating treatment.
Method the most according to claim 2, it is characterised in that described default file container format
Including: mp4, mkv, avi, mp3, mpeg, wmv, rm.
4. according to the method described in any one of claim 1-3, it is characterised in that described to described input
File carries out audio frequency and video separating treatment and farther includes:
Utilize shunt that described input file is separated into voice data, video counts by calling separation interface
According to.
5. according to the method described in any one of claim 1-3, it is characterised in that also include:
The input data source receiving described preset interface carries out coded treatment, obtains coded data;
It is packaged described coded data processing, obtains the file of corresponding format.
6. according to the method described in any one of claim 1-3, it is characterised in that described preset interface is
The source interface of the StageFrightRecoder layer that Media Recorder application layer is called.
7. the expanding unit inputting data source, it is characterised in that described device includes:
Separation module, is suitable to receive input file, carries out described input file at audio, video data separation
Reason, obtains voice data, video data;
Decoding process module, is suitable to be decoded processing to described voice data, described video data respectively,
Obtain the audio data sources of the data source format that described preset interface is supported, video data source;
Input module, is suitable to carry described audio data sources, described video data source as input data source
Supply described preset interface.
Device the most according to claim 7, it is characterised in that described device also includes:
Analyze module, be suitable to analyze the file container format of described input file;
Judge module, is suitable to judge whether the file container format of described input file is that default file holds
Device form;
Described separation module is further adapted for: judge that at described judge module the file of described input file holds
In the case of device form is default file container format, input file is carried out at audio, video data separation
Reason.
Device the most according to claim 8, it is characterised in that described default file container format
Including: mp4, mkv, avi, mp3, mpeg, wmv, rm.
10. according to the device described in any one of claim 7-9, it is characterised in that described separation module
It is further adapted for:
Utilize shunt that described input file is separated into voice data, video counts by calling separation interface
According to.
11. according to the device described in any one of claim 7-9, it is characterised in that also include:
Coded treatment module, the input data source being suitable to receive described preset interface carries out coded treatment,
Obtain coded data;
Package module, is suitable to be packaged described coded data processing, obtains the file of corresponding format.
12. according to the device described in any one of claim 7-9, it is characterised in that described preset interface
Source interface for the StageFrightRecoder layer that Media Recorder application layer is called.
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