CN104050021B - Multimedia file processing method and electronic equipment - Google Patents
Multimedia file processing method and electronic equipment Download PDFInfo
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- CN104050021B CN104050021B CN201310084500.3A CN201310084500A CN104050021B CN 104050021 B CN104050021 B CN 104050021B CN 201310084500 A CN201310084500 A CN 201310084500A CN 104050021 B CN104050021 B CN 104050021B
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Abstract
The present invention provides a kind of multimedia file processing method and electronic equipment.This method comprises: starting multimedia application when receiving the instruction for playing multimedia file；By the multimedia engine modules decoded multimedia file of bottom in multimedia application, decoded multi-medium data is obtained；Decoded multi-medium data is supplied directly to the data analysis layer module of the multimedia application at the middle and upper levels, to generate picture signal corresponding with the multimedia file and/or audio signal；And export described image signal and/or audio signal.
Description
Technical field
The present invention relates to the field of electronic equipment, more particularly it relates to a kind of multimedia file processing method and
Electronic equipment.
Background technique
Currently, the data-handling capacity of various electronic equipments is stronger and stronger.Correspondingly, the multimedia file of multiple format
Broadcasting support be always measure an electronic equipment multimedia processing capability a critically important parameter.If can be very square
Just the broadcasting of support multi-format can then play well experience to user, can greatly increase usage rate of the user.
For example, in the electronic equipment currently based on Android operation system, Android Ice Cream Sandwich
There is an Android multimedia frame, but the multiple format media file that can be played is seldom.For this purpose, existing
The common mode of technology is the source code in direct modification Android multimedia frame, other media engines are added
In this frame or format that multimedia engine that extension Android is included is supported.
But which has modified the source code in primary Android multimedia frame, Android multimedia
Process where frame belongs to system process, and great risk can be brought by modifying this source code, can extreme influence peace if generating loophole
The stability of the equipment of this frame is filled.In addition, the source code in modification Android multimedia frame belongs to system framework source
Code, is not application program, portable very low.
In addition, application process needs to communicate with system process to exchange in existing Android multimedia frame
Decoded multi-medium data, this leads to the load too high of system process and handles the delay of response time.
For this reason, it may be desirable to the novel and improved multimedia file processing method of one kind and electronic equipment are provided, it can be fast
Multimedia file is handled fastly, and can easily be transplanted between different operating system.
Summary of the invention
According to an embodiment of the present invention, a kind of multimedia file processing method is provided, comprising:
When receiving the instruction for playing multimedia file, start multimedia application；
By the multimedia engine modules decoded multimedia file of bottom in multimedia application, solved
Multi-medium data after code；
Decoded multi-medium data is supplied directly to the data analysis layer mould of the multimedia application at the middle and upper levels
Block, to generate picture signal corresponding with the multimedia file and/or audio signal；
Export described image signal and/or audio signal.
Preferably, decoded multi-medium data is supplied directly at the data of the multimedia application at the middle and upper levels
Managing layer module includes:
Extract the source code of the multimedia frame based on the first operating system；
Parse the source code, the first functional layer module in application process and system to determine multimedia frame into
The second functional layer module in journey, first functional layer module are used to receive input data and be communicated with system process,
Second functional layer module be used for start the first operating system different multimedia engine come decoded multimedia file and with answer
It is communicated with process；
Optimize first functional layer module and second functional layer module, with remove first functional layer module and
Function in second functional layer module for the communication between process；And
The first functional layer module and the second functional layer module after merging optimization is to generate the data analysis layer module.
Preferably, the data analysis layer module has receiving interface identical with first functional layer module, is used for
Input data is received with working method identical with first functional layer.
Preferably, the data analysis layer module has starting interface identical with second functional layer module, is used for
Start the different multimedia engine of the first operating system.
Preferably, the data analysis layer by the starting interface, draw by the multimedia using first operating system
It holds up and hard decoder is carried out to multimedia file.
Preferably, other than starting interface identical with second functional layer module, the data analysis layer module
Also there is other starting interface, for starting other customized media engine.
According to a further embodiment of the invention, a kind of electronic equipment is provided, comprising:
Receiving unit, the instruction for user；
Multimedia applying unit, for starting multimedia application when receiving broadcasting multimedia file；
Decoding unit, for decoding more matchmakers by the multimedia engine modules of bottom in multimedia application
Body file obtains decoded multi-medium data；
Data processing unit receives the decoded multi-medium data that directly provides from the decoding unit, with generate with
The corresponding picture signal of the multimedia file and/or audio signal；
Output unit, for exporting described image signal and/or audio signal.
Preferably, the data processing unit is formed in the following manner:
Extract the source code of the multimedia frame based on the first operating system；
Parse the source code, the first functional layer module in application process and system to determine multimedia frame into
The second functional layer module in journey, first functional layer module are used to receive input data and be communicated with system process,
Second functional layer module be used for start the first operating system different multimedia engine come decoded multimedia file and with answer
It is communicated with process；
Optimize first functional layer module and second functional layer module, with remove first functional layer module and
Function in second functional layer module for the communication between process；And
The first functional layer module and the second functional layer module after merging optimization is to generate the data processing unit.
Preferably, the data processing unit have receiving interface identical with first functional layer module, for
Working method identical with first functional layer receives input data.
Preferably, the data processing unit has starting interface identical with second functional layer module, for opening
The different multimedia engine of dynamic first operating system.
Preferably, the data analysis layer by the starting interface, draw by the multimedia using first operating system
It holds up and hard decoder is carried out to multimedia file.
Preferably, other than starting interface identical with second functional layer module, the data processing unit is also
With other starting interface, for starting other customized media engine.
Multimedia file processing method according to an embodiment of the present invention and electronic equipment pass through more matchmakers in application process
The decoded multi-medium data of body engine is directly transmitted to the data processing module in application process, without application process and system
The communication of process, therefore the workload of system process is greatly reduced, and faster to the processing speed of multi-medium data.
Detailed description of the invention
Fig. 1 is the flow chart for describing multimedia file processing method according to an embodiment of the present invention；
Fig. 2 a and 2b are the multimedia frame and multimedia according to an embodiment of the present invention for describing the prior art
The comparison figure of frame；And
Fig. 3 is the functional block diagram for describing electronic equipment according to an embodiment of the present invention.
Specific embodiment
In the following, embodiment according to the present invention will be described in detail with reference to the attached drawings.Fig. 1 is that description is according to an embodiment of the present invention
The flow chart of multimedia file processing method.
Multimedia file processing method 100 according to an embodiment of the present invention is applied to be equipped with the electronics of the first operating system
In equipment.The example of such electronic equipment for example including tablet computer, desktop computer, smart phone, personal digital assistant etc.,
As long as there are two operating systems for installation on the electronic equipment.In addition, the first operating system is, for example, Windows operation system
System, (SuSE) Linux OS or Android operation system.It should be noted that the first operating system is not particularly limited in above-mentioned system
System, but can need to be freely disposed according to user.It in the present embodiment, will be Android operation with the first operating system
It is described for system.
As shown in Figure 1, multimedia file processing method 100 according to first embodiment includes:
Step S101: when receiving the instruction for playing multimedia file, start multimedia application；
Step S102: multimedia text is decoded by the multimedia engine modules of bottom in multimedia application
Part obtains decoded multi-medium data；
Step S103: decoded multi-medium data is supplied directly to the data of the multimedia application at the middle and upper levels
Process layer module, to generate picture signal corresponding with the multimedia file and/or audio signal；And
Step S104: output described image signal and/or audio signal.
In step s101, when user selects the multimedia file of expectation viewing, start multimedia application.This is more
Media application includes multiple processing modules.The bottom is that multimedia for decoding the multimedia file of various different-formats is broadcast
Put engine.For example, for decode AVI format, mpeg format, RMVB format, various stream format multimedia file multimedia
Playback engine.Draw it should be noted that the multimedia engine can be the included multimedia of Android operation system
It holds up, is also possible to the multimedia engine developed by third party.
In step s 102, it is decoded and is selected by multimedia engine corresponding with the multimedia file format of selection
Multimedia file, to obtain decoded multi-medium data.It should be noted that if the multimedia engine is
The included multimedia engine of Android operation system, the then major part that can be multiplexed in Android multimedia frame
Source code, to greatly reduce the workload of developer.In addition, when most of source in multiplexing Android multimedia frame
When code, the hard decoder interface of the Andoird multimedia frame number of integrating can be effectively utilized, so as to more effective
And decoded multimedia file more quickly.
It, will be direct by the corresponding decoded multi-medium data of multimedia engine in step s 102 in step S103
It is supplied to the data analysis layer module of the multimedia application at the middle and upper levels, to generate corresponding with the multimedia file
Picture signal and/or audio signal.That is, in application process, by the decoded more matchmakers of underlying multimedia playback engine
Volume data is supplied directly to the data analysis layer module on upper layer, carrys out transferring multimedia data without interprocess communication.
In multimedia file processing method according to the present invention, because underlying multimedia is played in application process
The decoded multi-medium data of engine is supplied directly to the data analysis layer module on upper layer, transmits without interprocess communication
Multi-medium data, so not needing the intervention of system process, to the processing of multimedia file so as to reduce system process
Workload.The test of applicant according to the present invention, compared with prior art, the workload of system process can reduce 10-
20%。
In addition, the decoded multi-medium data of underlying multimedia playback engine is supplied directly in application process
The data analysis layer module of layer, and picture signal corresponding with the multimedia file and/or audio signal are generated, without
Interprocess communication is wanted to carry out transferring multimedia data.Therefore, decoded multi-medium data is handled to generate corresponding figure
More rapidly as signal and/or the processing of the follow-up data of audio signal, so as to be more quickly completed the place of entire multimedia file
Reason operation.The test of applicant according to the present invention, compared with prior art, the processing speed of entire multimedia file can be improved
10-20%。
In step S104, generation is exported using the picture signal generated by display output and/or by loudspeaker
Audio signal.
In the following, with reference to Fig. 2 a and Fig. 2 b describe the prior art multimedia frame and according to embodiments of the present invention
Multimedia frame.
Fig. 2 a is the schematic diagram for showing the multimedia frame of the prior art, and Fig. 2 b is to show according to the present invention in fact
Apply the schematic diagram of the multimedia frame of example.As shown in Figure 2 a, in the multimedia frame of the prior art, system process exists
After multimedia engine decoded multimedia file, need through the second functional layer module (such as in Fig. 2 a
The library MediaPlayerService so layer) with the first functional layer module in application process (such as in Fig. 2 a
MediaPlayer(CPPLayer) library so layer) carry out interprocess communication, thus by decoded multi-medium data pass to using into
Journey.First functional layer module is for receiving input data and being communicated with system process, second functional layer module
Different multimedia engine for starting the first operating system carrys out decoded multimedia file and is communicated with application process.Example
Such as, the second functional layer module and the first functional layer module can transmit decoded multi-medium data by way of shared drive.
Further, the multimedia-data procession layer decoded multi-medium data can also be configured with obtain it is currently playing into
Degree, volume, screen resolution ratio etc..
Then, decoded multi-medium data is by the multimedia-data procession layer on upper layer (such as in Fig. 2 a
MediaPlayer(Java Layer) JAR covering and MediaPlayer(JIN) library so layer) handled, thus generate with it is more
The corresponding picture signal of media file and/or audio signal, are then exported by display and/or loudspeaker.
On the other hand, as shown in Figure 2 b, in multimedia file processing method according to an embodiment of the present invention, extract in advance
The source code of multimedia frame based on the first operating system.For example, extracting the multimedia frame of Android operation system
The source code of frame.
Then, the source code is parsed, the first functional layer module (example in the application process to determine multimedia frame
Such as the library the MediaPlayerService so layer in Fig. 2 a) and system process in the second functional layer module (such as in Fig. 2 a
MediaPlayer(CPP Layer) library so layer), first functional layer module is for receiving input data and and system process
It is communicated, second functional layer module is used to start the different multimedia engine of the first operating system to decode multimedia text
It part and is communicated with application process.It should be noted that media engine can be identical as the media engine in Fig. 2 a.
Then, optimize first functional layer module and second functional layer module, to remove first functional layer
Function in module and second functional layer module for the communication between process.Specifically, to Android multimedia
MediaPlayerService and MediaPlayer in frame are transplanted, are optimized, are cut out, to remove interprocess communication function
Energy.
Then, the first functional layer module and the second functional layer module after merging optimization are to form the data analysis layer
The library so module (for example, Engine Abstract Layer(CPP Layer) layer).Layer layers of energy of the EngineAbstract
MediaPlayerService and MediaPlayer layers of most of function is completed, but does not need the function of interprocess communication.
Therefore, as shown in Figure 2 b, will be directly passed in data analysis layer by the decoded multi-medium data of media engine
Engine Abstract Layer(CPPLayer) library so layer.
Preferably, the data analysis layer can also include Fig. 2 b in MediaPlayer(Java Layer) JAR covering and
MediaPlayer(JIN) library so layer, for being post-processed to decoded multi-medium data with generate picture signal and/or
Audio signal.
Preferably, in the data analysis layer module of Fig. 2 a and Fig. 2 b, Engine Abstract Layer
The library so (CPP Layer) layer has and the library so first functional layer module (MediaPlayer(CPP Layer) layer) it is identical
Receiving interface, for receiving input data (for example, from the received finger of user with working method identical with first functional layer
It enables, various operational orders, currently playing progress, volume, screen resolution ratio etc.).
Preferably, in the data analysis layer module of Fig. 2 a and Fig. 2 b, Engine Abstract Layer
The library so (CPP Layer) layer has open identical with second functional layer module (library MediaPlayerService so layer)
Mobile interface, for starting the different multimedia engine of the first operating system.That is, Engine Abstract Layer
The library so (CPP Layer) layer can mode identical with the second functional layer module call various media engines, thus decoding not
With the multimedia file of format.
Preferably, the data analysis layer by the starting interface, draw by the multimedia using first operating system
It holds up and hard decoder is carried out to multimedia file.In multimedia file processing method according to the present invention, because can be multiplexed
The source code of Android multimedia frame, it is possible to efficiently use the hard solution that Android multimedia frame has integrated
Code interface carrys out decoded multimedia file.
Preferably, other than starting interface identical with second functional layer module, the data analysis layer module
Also there is other starting interface, for starting other customized media engine.That is, in addition to being multiplexed Android
Other than the source code of multimedia frame, user can also be by third-party multimedia integrat- ing into the application.
Therefore, multimedia file processing method according to an embodiment of the present invention, by eliminating application process and system process
Between interprocess communication, the workload of system process can be greatly reduced, and improve multimedia file processing speed
Degree, in addition, greatly reducing development amount by the source code of multiplexing Android multimedia frame.In addition, because
All processing are all completed in reference process and unrelated with system process, it is possible to easily be safeguarded, be expanded to application
Exhibition, transplanting, without being impacted to system.
In the following, describing electronic equipment 200 according to an embodiment of the present invention with reference to Fig. 3.
Electronic equipment 200 according to an embodiment of the present invention includes:
Receiving unit 201, the instruction for user；
Multimedia applying unit 202, for starting multimedia when receiving the instruction for playing multimedia file
Using；
Decoding unit 203, for being decoded by the multimedia engine modules of bottom in multimedia application
Multimedia file obtains decoded multi-medium data；
Data processing unit 204 receives the decoded multi-medium data directly provided from the decoding unit, to generate
Picture signal corresponding with the multimedia file and/or audio signal；
Output unit 205, for exporting described image signal and/or audio signal.
Receiving unit 201 is for example including keyboard, mouse, touch screen etc. input equipment.It can select depending on the user's operation
Select corresponding multimedia file, using etc..
Multimedia applying unit 202 depending on the user's operation, starts multimedia application.
Decoding unit 203 calls multimedia engine modules decoded multimedia file, obtains decoded multimedia number
According to.
Data processing unit 204 receives the decoded multi-medium data directly provided from the decoding unit 203, with life
At picture signal corresponding with the multimedia file and/or audio signal.Further, it is also possible to decoded multi-medium data
Carry out various data processings, such as filtering, picture quality adjustment, dragging.
Output unit 205 is for example including display and loudspeaker etc., for exporting described image signal and/or audio letter
Number.
Preferably, the data processing unit 204 is formed in the following manner:
Extract the source code of the multimedia frame based on the first operating system；
Parse the source code, the first functional layer module in application process and system to determine multimedia frame into
The second functional layer module in journey, first functional layer module are used to receive input data and be communicated with system process,
Second functional layer module be used for start the first operating system different multimedia engine come decoded multimedia file and with answer
It is communicated with process；
Optimize first functional layer module and second functional layer module, with remove first functional layer module and
Function in second functional layer module for the communication between process；And
The first functional layer module and the second functional layer module after merging optimization is to generate the data processing unit.
Preferably, the data processing unit 204 has receiving interface identical with first functional layer module, is used for
Input data is received with working method identical with first functional layer.
Preferably, the data processing unit 204 has starting interface identical with second functional layer module, is used for
Start the different multimedia engine of the first operating system.
Preferably, the data processing unit 204 utilizes more matchmakers of first operating system by the starting interface
Body engine carries out hard decoder to multimedia file.
Preferably, other than starting interface identical with second functional layer module, the data processing unit 204
Also there is other starting interface, for starting other customized media engine.
Therefore, electronic equipment according to an embodiment of the present invention, by eliminating the process between application process and system process
Between communicate, the workload of system process can be greatly reduced, and improve the processing speed of multimedia file, in addition, logical
The source code for crossing multiplexing Android multimedia frame, greatly reduces development amount.In addition, because all processing
It is all completed in reference process and unrelated with system process, it is possible to application is easily safeguarded, extended, is transplanted, and
System will not be impacted.
It should be noted that in the present specification, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Finally, it is to be noted that, it is above-mentioned it is a series of processing not only include with sequence described here in temporal sequence
The processing of execution, and the processing including executing parallel or respectively rather than in chronological order.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required hardware platform to realize, naturally it is also possible to all be implemented by hardware.Based on this understanding,
Technical solution of the present invention can be embodied in the form of software products in whole or in part to what background technique contributed,
The computer software product can store in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are to make
It obtains a computer equipment (can be personal computer, server or the network equipment etc.) and executes each embodiment of the present invention
Or method described in certain parts of embodiment.
The present invention is described in detail above, specific case used herein is to the principle of the present invention and embodiment party
Formula is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas；Meanwhile it is right
In those of ordinary skill in the art, according to the thought of the present invention, change is had in specific embodiments and applications
Place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (12)
1. a kind of multimedia file processing method, comprising:
When receiving the instruction for playing multimedia file, start multimedia application；
By the multimedia engine modules decoded multimedia file of bottom in multimedia application, after being decoded
Multi-medium data；
Decoded multi-medium data is supplied directly to the data of the multimedia application at the middle and upper levels in application process
Process layer module, to generate picture signal corresponding with the multimedia file and/or audio signal；And
Export described image signal and/or audio signal.
2. the method as described in claim 1, wherein decoded multi-medium data is supplied directly to institute in application process
Stating the data analysis layer module of multimedia application at the middle and upper levels includes:
Extract the source code of the multimedia frame based on the first operating system；
The source code is parsed, in the first functional layer module and system process in application process to determine multimedia frame
The second functional layer module, first functional layer module is described for receiving input data and communicated with system process
Second functional layer module be used for start the first operating system different multimedia engine come decoded multimedia file and with apply into
Cheng Jinhang communication；
Optimize first functional layer module and second functional layer module, to remove first functional layer module and described
Function in second functional layer module for the communication between process；And
The first functional layer module and the second functional layer module after merging optimization is to generate the data analysis layer module.
3. method according to claim 2, wherein the data analysis layer module has and the first functional layer module phase
Same receiving interface, for receiving input data with working method identical with first functional layer.
4. method according to claim 2, wherein the data analysis layer module has and the second functional layer module phase
Same starting interface, for starting the different multimedia engine of the first operating system.
5. method as claimed in claim 4, wherein the data analysis layer utilizes first behaviour by the starting interface
The media engine for making system carries out hard decoder to multimedia file.
6. method as claimed in claim 4, wherein other than starting interface identical with second functional layer module, institute
Stating data analysis layer module also has other starting interface, for starting other customized media engine.
7. a kind of electronic equipment, comprising:
Receiving unit, the instruction for user；
Multimedia applying unit, for starting multimedia application when receiving broadcasting multimedia file；
Decoding unit, for decoding multimedia text by the multimedia engine modules of bottom in multimedia application
Part obtains decoded multi-medium data；
Data processing unit receives the decoded multi-medium data directly provided in application process from the decoding unit,
To generate picture signal corresponding with the multimedia file and/or audio signal；
Output unit, for exporting described image signal and/or audio signal.
8. electronic equipment as claimed in claim 7, wherein the data processing unit is formed in the following manner:
Extract the source code of the multimedia frame based on the first operating system；
The source code is parsed, in the first functional layer module and system process in application process to determine multimedia frame
The second functional layer module, first functional layer module is described for receiving input data and communicated with system process
Second functional layer module be used for start the first operating system different multimedia engine come decoded multimedia file and with apply into
Cheng Jinhang communication；
Optimize first functional layer module and second functional layer module, to remove first functional layer module and described
Function in second functional layer module for the communication between process；And
The first functional layer module and the second functional layer module after merging optimization is to generate the data processing unit.
9. electronic equipment as claimed in claim 8, wherein the data processing unit has and first functional layer module
Identical receiving interface, for receiving input data with working method identical with first functional layer.
10. electronic equipment as claimed in claim 8, wherein the data processing unit has and second functional layer module
Identical starting interface, for starting the different multimedia engine of the first operating system.
11. electronic equipment as claimed in claim 8, wherein the data analysis layer is by the starting interface, using described
The media engine of first operating system carries out hard decoder to multimedia file.
12. electronic equipment as claimed in claim 8, wherein in addition to starting interface identical with second functional layer module it
Outside, the data processing unit also has other starting interface, for starting other customized media engine.
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