CN103838579A - Micro-course recording method and engine adopting android system - Google Patents
Micro-course recording method and engine adopting android system Download PDFInfo
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Abstract
The invention discloses a micro-course recording method and engine adopting an android system. The engine mainly comprises a master controller, a whiteboard controller, a logic controller, a file controller, an audio controller, a rendering controller, a displacer and a resource stack, wherein the whiteboard controller, the logic controller, the file controller, the audio controller, the rendering controller, the displacer and the resource stack are respectively connected with the master controller. The whiteboard controller is respectively connected with the file controller, the rendering controller and the logic controller, the resource stack is respectively connected with the displacer and the logic controller, and the audio controller is respectively connected with the master controller and the file controller. The recording method includes: A, starting; B, recording; C, storing, wherein the step B includes: B1, user clicking for recording; B2, monitoring movements and starting voice acquisition; B3, processing voice events; B4, processing touch events; B5, monitoring memory stack arrays; B6, subjecting threshold values exceeding rulemaking to hard disk cache and memory replacement; B7, reading or writing in disk cache from disk cache.
Description
Technical field
The present invention relates to Android system application, specifically, is micro-class method for recording and the recording engine that adopts Android system.
Background technology
Record in application in PC terminal, mainly, by video camera, user's content is carried out to video record, or Flash makes animation, the multimedia file of production standard, this class multimedia file is larger, the courseware tens of a few minutes, it is a bottleneck that logarithm reportedly send, and makes content simultaneously and need to carry out post-production by professional equipment and professional software; And the dull and stereotyped terminal of IOS is by vestige and the sound of user's touch are gathered, but terminal is a bottleneck to ordinary consumer consuming capacity, but also there is not similar product as IOS in Android terminal, the application that can gather user's touch vestige and sound.
Summary of the invention
The object of the present invention is to provide the micro-class method for recording and the recording engine that adopt Android system, solve above-mentioned technical need, record and touch vestige and sound by the logic module of being controlled by UI assembly of moving under Android environment assembly.
Micro-class recording engine of employing Android system of the present invention is achieved through the following technical solutions, main blank controller, logic controller, file controller, the Audio Controller being connected respectively by General controller and with General controller, play up controller, displacing device and resource storehouse and formed, described blank controller respectively same file controller, play up controller and be connected with logic controller, described resource storehouse is linker substitution device and logic controller respectively, and described Audio Controller is connected with file controller with General controller respectively.
Micro-class method for recording of employing Android system of the present invention is achieved through the following technical solutions, and comprises the following steps:
Steps A, startup, initial all logic modules, and start corresponding thread and monitor;
Step B, record, make micro-class original document for carrying out touch event and recording of audio event;
Step C, preservation, for saving as Vke file by recording produced micro-class original document;
Described step B comprises the following steps:
Step B1, user click and record, and start use-case, open recording function;
Sound collection is moved and opens in step B2, monitoring, and General controller is monitored the touch event of the touch terminal that adopts Android system and opened sound collection;
Step B3, sound event processing;
Step B4, touch event processing;
Step B5, the queue of monitoring internal memory storehouse, displacing device is monitored the queue of internal memory storehouse;
Step B6, replace, if find to exceed the threshold values of Rulemaking, adopt Pattern Class to carry out hard disk cache like operating system page internal memory substitute mode and replace with internal memory;
Step B7, return to or push replacement data, be read into the queue of internal memory storehouse or be written to disk buffering from memory queue from disk buffering.
Micro-class method for recording of described employing Android system to better implement the present invention, described step B3 comprises the following steps:
Step B3.1, transmission voice data, judge through step B2, if sound source data will be distributed to Audio Controller;
Step B3.2, noise reduction and coding, Audio Controller carries out wavelet analysis to the source of sound gathering, and the threshold values of then formulating is cleared up reconstruct to small echo, and then calling MP3 coding becomes voice data and is written to memory queue;
Step B3.3, be written to temporary file, then the voice data of writing certain buffer memory is written to temporary file.
Micro-class method for recording of described employing Android system to better implement the present invention, described step B4 comprises the following steps:
Step B4.1, sending action data, judge through step B2, if touch event by contained action event or message dispatch to blank controller;
Step B4.2, action are resolved, blank controller is resolved action, event escape is become to paintbrush action, wipes word action, cancels action, recovers action, clear line action, cls action, insert pictures action, deletes picture action, rotating image action, puts preposition rear picture action, if paintbrush action with wipe word and move and become tracing point coordinate array to be stored in lines object message escape;
Step B4.3, write memory queue, send to logic controller corresponding action or data;
Step B4.4, resource pop down or ejection, logic controller judge according to type of action action or data be pressed into or eject corresponding resource storehouse;
Step B4.5, return data and data operation, logic controller judgement is if cancel the resource data of the corresponding time point of action ejection, if clear line action will be ejected picture stacked data, if cls action, by an initial cls blank frame, if setting-out action and wiping word action request lines storehouse eject lines and increase point coordinate, other action datas are stamped time mark and are pressed into corresponding resource storehouse;
Step B4.6, result data return, and return to the result data after logical process;
Step B4.7, echo, return to and play up controller and carry out echo, playing up controller is to control mode and the algorithm policy played up, the mode of playing up is that result data writes bitmap and then puts into canvas, algorithm policy has used two buffer memorys, caching record subsequent result data, and data are played up in the current demonstration of another buffer memory, these two buffer memory alternations, play up performance issue thereby solve;
Step B4.8, result data is write to temporary file.
Micro-class method for recording of described employing Android system to better implement the present invention, described step C comprises the following steps:
Step C1, user click preservation, and use-case starts;
Step C2, generation, General controller calls file controller and generates interim Vke file;
Step C3, read, file controller reads interim Vke file;
Step C4, merging resource, merge resource, and resource has comprised action resource, picture resource and voice resource, generates header simultaneously;
Step C5, preserve micro-class, header and content-data are saved in Vke file;
Step C6, end, return to end and successfully indicate;
Step C7, releasing resource also exit, and General controller is destroyed all controllers, close all threads and exit application.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the invention reside in the micro-class method for recording and the recording engine that adopt Android system are provided, solve above-mentioned technical need, record and touch vestige and sound by the logic module of being controlled by UI assembly of moving under Android environment assembly.
(2) the present invention supports the importing of picture materials, support to cancel and recover, clear person's handwriting and cls.
(3) the present invention utilizes displacing device and two buffer memorys of playing up in controller to play up performance boost, makes user on screen, draw then cls of several thousand lines, and then destruction operation ceaselessly can be felt without delay in response.
(4) the present invention can self-defined multimedia file format, and the file data of Vke suffix is divided into header and resource information, and header has defined data protocol rule, and resource information is divided into vestige resource information, picture resource information and sound resource information.
Accompanying drawing explanation
Fig. 1 is logical architecture figure of the present invention.
Fig. 2 is the startup sequential chart of micro-class method for recording of employing Android system of the present invention;
Fig. 3 be employing Android system of the present invention micro-class method for recording record sequential chart;
Fig. 4 is the preservation sequential chart of micro-class method for recording of employing Android system of the present invention.
Fig. 5 is the johning knot composition of micro-class recording engine of employing Android system of the present invention.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment:
Micro-class recording engine of employing Android system of the present invention is that the logic module of being controlled by UI assembly of moving under Android environment assembly forms, as shown in Figure 1, its logical architecture is provided with following parts: Android environment assembly comprises Canvas, Media Framework, Camera Driver, GLSurfaceView, Camerahold, intent, NIO, audiotrack, AudioRecord etc., wherein, GLSurfaceView is used for playing up and presenting element, Camerahold is for photographic data collection, intent is for each Data Exchange, NIO writes fixing buffer memory for data, audiotrack and AudioRecord are for the broadcasting of sound and the data acquisition of sound, described logic module is provided with master controller, blank controller, plays up controller, file controller, Audio Controller, resource storehouse, displacing device, logic controller, described UI assembly is provided with recorded broadcast switch, split screen, paintbrush palette, erasing rubber, cls, clear lines, cancels, recovers, photograph, choosing figure, material plate, working plate.
Adopt micro-class recording engine of Android system, as shown in Figure 5, main blank controller, logic controller, file controller, the Audio Controller being connected respectively by General controller and with General controller, play up controller, displacing device and resource storehouse and formed, described blank controller respectively same file controller, play up controller and be connected with logic controller, described resource storehouse is linker substitution device and logic controller respectively, and described Audio Controller is connected with file controller with General controller respectively.
General controller is used for carrying out holistic management blank controller, logic controller, file controller, Audio Controller, plays up controller, displacing device and resource storehouse, monitors action simultaneously and opens sound collection.
In the time that General controller is monitored action and is found to be touch event while opening sound collection, by sending action, to blank controller, blank controller will move parsing, form write memory queue function between andlogic control device; Between logic controller and resource storehouse, carry out after resource pop down and ejection function, resource storehouse is with returning to or push replacement data function between displacing device, displacing device also monitor the queue of internal memory storehouse go forward side by side line replacement and after through return data to logic controller, after data operation, result data is turned back in blank controller, carry out after echo function through playing up controller again, and form result data is write to temporary file function between file controller.
Be found to be sound event in the time that General controller is monitored action and opened sound collection time, transmission voice data is carried out to noise reduction and coding processing in Audio Controller, data after treatment are completed and are written to temporary file by file controller.
Micro-class method for recording of employing Android system of the present invention, shown in Fig. 2, Fig. 3, Fig. 4, the micro-class recording engine of the method based on adopting Android system realized: comprise the following steps:
Steps A, startup, initial all logic modules, and start corresponding thread and monitor, monitor the thread of all logic modules;
Step B, record, make micro-class original document for carrying out touch event and recording of audio event;
Step C, preservation, for saving as Vke file by recording produced micro-class original document;
Described step B comprises the following steps:
Step B1, user click and record, and start use-case, open recording function;
Sound collection is moved and opens in step B2, monitoring, and General controller is monitored the touch event of the touch terminal that adopts Android system and opened sound collection;
Step B3, sound event processing;
Step B4, touch event processing;
Step B5, the queue of monitoring internal memory storehouse, displacing device is monitored the queue of internal memory storehouse;
Step B6, replace, if find to exceed the threshold values of Rulemaking, adopt Pattern Class to carry out hard disk cache and internal memory displacement like operating system page internal memory substitute mode, the two buffer memorys that utilize displacing device and play up in controller carry out performance boost, make user on screen, draw then cls of several thousand lines, then destruction operation ceaselessly can be felt without postponing in response;
Step B7, return to or push replacement data, be read into the queue of internal memory storehouse or be written to disk buffering from memory queue from disk buffering.
Micro-class method for recording of described employing Android system to better implement the present invention, shown in Fig. 2, Fig. 3, Fig. 4, described step B3 comprises the following steps:
Step B3.1, transmission voice data, judge through step B2, if sound source data will be distributed to Audio Controller;
Step B3.2, noise reduction and coding, Audio Controller carries out wavelet analysis to the source of sound gathering, and the threshold values of then formulating is cleared up reconstruct to small echo, and then calling MP3 coding becomes voice data and is written to memory queue;
Step B3.3, be written to temporary file, then the voice data of writing certain buffer memory is written to temporary file, i.e. temporary folder under the catalogue at current application place in terminal.
Micro-class method for recording of described employing Android system to better implement the present invention, shown in Fig. 2, Fig. 3, Fig. 4, described step B4 comprises the following steps:
Step B4.1, sending action data, judge through step B2, if touch event by contained action event or message dispatch to blank controller;
Step B4.2, action are resolved, blank controller is resolved action, event escape is become to paintbrush action, wipes word action, cancels action, recovers action, clear line action, cls action, insert pictures action, deletes picture action, rotating image action, puts preposition rear picture action, if paintbrush action with wipe word and move and become tracing point coordinate array to be stored in lines object message escape;
Step B4.3, write memory queue, send to logic controller corresponding action or data;
Step B4.4, resource pop down or ejection, logic controller judge according to type of action action or data be pressed into or eject corresponding resource storehouse, resource storehouse is divided into lines storehouse, action storehouse, picture storehouse, cancels storehouse, recovers storehouse, action storehouse comprised cls, clear line, illustration, delete figure, rotate, put before, postpone;
Step B4.5, return data and data operation, logic controller judgement is if cancel the resource data of the corresponding time point of action ejection, if clear line action will be ejected picture stacked data, if cls action, by an initial cls blank frame, if setting-out action and wiping word action request lines storehouse eject lines and increase point coordinate, other action datas are stamped time mark and are pressed into corresponding resource storehouse, and the effect of logic stack is exactly event and message to be carried out to the concurrent result of corresponding operating by logic rules return to blank controller;
Step B4.6, result data return, and return to the result data after logical process;
Step B4.7, echo, return to and play up controller and carry out echo, playing up controller is to control mode and the algorithm policy played up, the mode of playing up is that result data writes in bitmap file bitmap, then puts into canvas, and algorithm policy has used two buffer memorys, caching record subsequent result data, data are played up in the current demonstration of another buffer memory, and these two buffer memory alternations are played up performance issue thereby solve;
Step B4.8, result data is write to temporary file, i.e. temporary folder under the catalogue at current application place in terminal.
Micro-class method for recording of described employing Android system to better implement the present invention, shown in Fig. 2, Fig. 3, Fig. 4, described step C comprises the following steps:
Step C1, user click preservation, and use-case starts;
Step C2, generation, General controller calls file controller and generates interim Vke file;
Step C3, read, file controller reads interim Vke file;
Step C4, merging resource, merge resource, and resource has comprised action resource, picture resource and voice resource, generates header simultaneously;
Step C5, preserve micro-class, header and content-data are saved in Vke file;
Step C6, end, return to end and successfully indicate;
Step C7, releasing resource also exit, and General controller is destroyed all controllers, close all threads and exit application.
Vke file protocol standard:
File header length (4 byte int);
The file header of XML form, has defined the Data Position of each resource in Vke file, and form is as follows:
<Vke>
<TotalTime value=" ten Byte(less thaies ten mend 0 above) "/> // micro-class T.T.
<AudioCodecType value=" Byte(is defaulted as 0) "/> // audio coding type
<AudioSampleRate value=" ten Byte(less thaies ten mend 0 above) "/> // audio code rate
<AudioChannelCount value=" Byte(is defaulted as 1) "/> // audio track number
<AudioFrameSize value=" ten Byte(less thaies ten mend 0 above) "/> // audio frame size
The position of <AudioDataPosition value=" ten Byte(less thaies ten mend 0 above) "/> // voice data
The position of <ActionDataPosition value=" ten Byte(less thaies ten mend 0 above) "/> // action data
The position of <ResourceDataPosition value=" ten Byte(less thaies ten mend 0 above) "/> // resource data
Width when <VkeWidth value=" ten Byte(less thaies ten mend 0 above) "/> // micro-class is recorded
Height when <VkeHeight value=" ten Byte(less thaies ten mend 0 above) "/> // micro-class is recorded
The position of <AudioMappingDataPosition value=" ten Byte(less thaies ten mend 0 above) "/> // packets of audio data and document location mapping (enum) data
</Vke>
The invention reside in the micro-class method for recording and the recording engine that adopt Android system are provided, solve above-mentioned technical need, record and touch vestige and sound by the logic module of being controlled by UI assembly of moving under Android environment assembly.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, and any simple modification, equivalent variations that every foundation technical spirit of the present invention is done above embodiment, within all falling into protection scope of the present invention.
Claims (5)
1. the micro-class method for recording that adopts Android system, is characterized in that: comprise the following steps:
Steps A, startup, initial all logic modules, and start corresponding thread and monitor;
Step B, record, make micro-class original document for carrying out touch event and recording of audio event;
Step C, preservation, for saving as Vke file by recording produced micro-class original document;
Described step B comprises the following steps:
Step B1, user click and record, and start use-case, open recording function;
Sound collection is moved and opens in step B2, monitoring, and General controller is monitored the touch event of the touch terminal that adopts Android system and opened sound collection;
Step B3, sound event processing;
Step B4, touch event processing;
Step B5, the queue of monitoring internal memory storehouse, displacing device is monitored the queue of internal memory storehouse;
Step B6, replace, if find to exceed the threshold values of Rulemaking, adopt Pattern Class to carry out hard disk cache like operating system page internal memory substitute mode and replace with internal memory;
Step B7, return to or push replacement data, be read into the queue of internal memory storehouse or be written to disk buffering from memory queue from disk buffering.
2. micro-class method for recording of employing Android system according to claim 1, is characterized in that: described step B3 comprises the following steps:
Step B3.1, transmission voice data, judge through step B2, if sound source data will be distributed to Audio Controller;
Step B3.2, noise reduction and coding, Audio Controller carries out wavelet analysis to the source of sound gathering, and the threshold values of then formulating is cleared up reconstruct to small echo, and then calling MP3 coding becomes voice data and is written to memory queue;
Step B3.3, be written to temporary file, then the voice data of writing certain buffer memory is written to temporary file.
3. micro-class method for recording of employing Android system according to claim 1, is characterized in that: described step B4 comprises the following steps:
Step B4.1, sending action data, judge through step B2, if touch event by contained action event or message dispatch to blank controller;
Step B4.2, action are resolved, blank controller is resolved action, event escape is become to paintbrush action, wipes word action, cancels action, recovers action, clear line action, cls action, insert pictures action, deletes picture action, rotating image action, puts preposition rear picture action, if paintbrush action with wipe word and move and become tracing point coordinate array to be stored in lines object message escape;
Step B4.3, write memory queue, send to logic controller corresponding action or data;
Step B4.4, resource pop down or ejection, logic controller judge according to type of action action or data be pressed into or eject corresponding resource storehouse;
Step B4.5, return data and data operation, logic controller judgement is if cancel the resource data of the corresponding time point of action ejection, if clear line action will be ejected picture stacked data, if cls action, by an initial cls blank frame, if setting-out action and wiping word action request lines storehouse eject lines and increase point coordinate, other action datas are stamped time mark and are pressed into corresponding resource storehouse;
Step B4.6, result data return, and return to the result data after logical process;
Step B4.7, echo, return to and play up controller and carry out echo;
Step B4.8, result data is write to temporary file.
4. micro-class method for recording of employing Android system according to claim 1, is characterized in that: described step C comprises the following steps:
Step C1, user click preservation, and use-case starts;
Step C2, generation, General controller calls file controller and generates interim Vke file;
Step C3, read, file controller reads interim Vke file;
Step C4, merging resource, merge resource, and resource has comprised action resource, picture resource and voice resource, generates header simultaneously;
Step C5, preserve micro-class, header and content-data are saved in Vke file;
Step C6, end, return to end and successfully indicate;
Step C7, releasing resource also exit, and General controller is destroyed all controllers, close all threads and exit application.
5. adopt micro-class recording engine of Android system, it is characterized in that: the blank controller, logic controller, file controller, the Audio Controller that are mainly connected respectively by General controller and with General controller, play up controller, displacing device and resource storehouse and formed, described blank controller respectively same file controller, play up controller and be connected with logic controller, described resource storehouse is linker substitution device and logic controller respectively, and described Audio Controller is connected with file controller with General controller respectively.
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| CN108897507A (en) * | 2018-05-02 | 2018-11-27 | 华南理工大学 | A kind of synchronizing white display methods and system based on Android end wisdom classroom |
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Application publication date: 20140604 |