CN102752531B - A kind of high-precision adjusts the method and system of special-effect parameter - Google Patents

A kind of high-precision adjusts the method and system of special-effect parameter Download PDF

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Publication number
CN102752531B
CN102752531B CN201110352855.7A CN201110352855A CN102752531B CN 102752531 B CN102752531 B CN 102752531B CN 201110352855 A CN201110352855 A CN 201110352855A CN 102752531 B CN102752531 B CN 102752531B
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special
effect parameter
external equipment
output data
precision
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CN102752531A (en
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同晓莉
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China Digital Video Beijing Ltd
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China Digital Video Beijing Ltd
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Abstract

The invention discloses a kind of methods of high-precision adjustment parameter, this method comprises: connecting the external equipment for adjusting special-effect parameter;Monitoring thread is set and obtains the output data of the external equipment;It parses the output data and modifies the corresponding special-effect parameter in special-effect parameter regulating system, the high-precision for carrying out the special-effect parameter is adjusted.The method provided by the invention for carrying out special-effect parameter condition by external equipment, keeps parameter regulation more flexible, can be improved the speed of parameter regulation, and parameter regulation can be made more accurate.

Description

A kind of high-precision adjusts the method and system of special-effect parameter
Technical field
The present invention relates to the stunt regulation technology fields in broadcasting and TV field more particularly to a kind of high-precision to adjust special-effect parameter Method and system.
Background technique
With the development of video technique, for people for video quality, the requirement for the visual effects such as stunt is shown is higher and higher, Therefore, in video production process, stunt adjusting is a vital link.
The adjusting of video effect, the general tune by directly carrying out parameter with mouse etc. in software are carried out in the prior art Section, however this method adjustment parameter is not flexible, and precision is not also high.
Wave Panel is a kind of tool of HID (human interface device supports human interface device) agreement There are a variety of external equipments for adjusting component such as regulation button, knob, screw, the adjusting of various accurate parameters can be carried out, However in existing video effect adjustment process, it is existing using Wave Panel carry out parameter regulation be typically all and apple System is connected, and does not connect it with windows system, the adjusting for video effect parameter.
Summary of the invention
In order to solve the disadvantage that the above-mentioned prior art, the main object of the present invention is to provide a kind of high-precision adjustment parameter Method and system adjust special-effect parameter by external equipment to realize under windows system environments.
In order to achieve the above object, it the present invention provides a kind of method of high-precision adjustment parameter, specifically includes:
Connect the external equipment for adjusting special-effect parameter;
Monitoring thread is set and obtains the output data of the external equipment;
It parses the output data and modifies the corresponding special-effect parameter in special-effect parameter regulating system, carry out the spy The high-precision of skill parameter is adjusted.
Another aspect of the present invention additionally provides a kind of system of high-precision adjustment parameter, which includes:
External equipment connection unit, for connecting the external equipment for adjusting special-effect parameter;
Monitoring thread setting unit, for monitoring thread to be arranged and obtains the output data of the external equipment;
Resolution unit, for parsing the output data and modifying the corresponding stunt ginseng in special-effect parameter regulating system Number, the high-precision for carrying out the special-effect parameter are adjusted.
The method provided by the invention for carrying out special-effect parameter condition by external equipment, keeps parameter regulation more flexible, energy The speed of parameter regulation is enough improved, and parameter regulation can be made more accurate.
Detailed description of the invention
It, below will be to required use in embodiment description for the clearer technical solution for illustrating the embodiment of the present invention Attached drawing be briefly described, it is clear that, drawings in the following description are only some embodiments of the invention, for this For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others Attached drawing.
Fig. 1 is a kind of method flow diagram of high-precision adjusting special-effect parameter in the embodiment of the present invention;
Fig. 2 is the method flow diagram for adjusting special-effect parameter in the embodiment of the present invention two using Wave Panel;
Fig. 3 is that the system for adjusting special-effect parameter in the embodiment of the present invention in high precision constitutes block diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Whole description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, the embodiment being not all of, and is based on this hair Embodiment in bright, those of ordinary skill in the art's every other implementation obtained under that premise of not paying creative labor Example, shall fall within the protection scope of the present invention.
On the one hand the embodiment of the present invention provides a kind of method that high-precision adjusts special-effect parameter, realize process such as Fig. 1 institute Show, specifically include:
Step S101: the external equipment for adjusting special-effect parameter is connected.
Preferably, above-mentioned external equipment can support HID protocol, can be directly connected by USB interface with host.
Step S102: setting monitoring thread and the output data for obtaining the external equipment.Specifically, monitoring thread monitors The variation of the corresponding output data of whole hardware of external equipment, and be stored in buffer area, so as to the adjusting of subsequent special-effect parameter System can carry out the modification of corresponding parameter according to the output data of variation.
Step S103: parsing the output data and modifies the corresponding special-effect parameter in special-effect parameter regulating system, The high-precision for carrying out the special-effect parameter is adjusted.
Specifically, when special-effect parameter regulating system gets the parameter after needing to parse, the completion pair directly in system Answer the modification of parameter.
The method provided in an embodiment of the present invention for carrying out special-effect parameter adjusting by external equipment, keeps parameter regulation more clever It is living, it can be improved the speed of parameter regulation, and parameter regulation can be made more accurate.
The embodiment of the present invention with external equipment is to support in this implementation column second is that further description to embodiment one HID protocol and adjusting with multiple adjustable buttons, knob, screw etc. is illustrated for the Wave Panel of component, and Do not regard it as and be limited, concrete implementation process is as follows:
Step S201: external equipment Wave Panel is connected by USB interface.
Step S202: monitoring thread is set after successful connection and opens the monitoring thread.
Thread is a single sequential control process in application program.It is complete that multiple threads are run simultaneously in single program At different work, referred to as multithreading.One application program includes a main thread and multiple sub threads, is created by main thread each A sub thread, each thread independent operating, communicates with each other, shared resource, can efficiently use system resource using multithreading, mention High execution efficiency.
Wave Panel is with the every 40ms of polling mode to signal conditioning components such as key, knob and screws on panel State detected, and generate output data, therefore except including parameter tune in special-effect parameter regulating system in this implementation column It saves except main thread, then a monitoring thread is set for reading the output data of Wave Panel generation, the parameter It adjusts main thread to run parallel with the monitoring thread, independently of one another.
Specifically, the monitoring thread of setting starts and remains operational automatically after Wave Panel opening.
It preferably, include the signal conditioning components such as multiple adjustable buttons, knob, screw on Wave Panel panel, Therefore, after Wave Panel and the successful connection of special-effect parameter regulating system, user can preset each Signal Regulation group Corresponding relationship between part and special-effect parameter.
Step S203: monitoring thread reads the data that equipment exports according to fixed time interval, and 26 words are arranged The buffer area of section saves the data of output.
Wave Panel is with the every 40ms of polling mode to signal conditioning components such as key, knob and screws on panel State detected, can not detect the state change of signal conditioning component on panel in real time, but in this implementation column The monitoring thread of setting reads the data of Wave Panel output according to fixed time interval, and the fixed intervals of setting are can be with It is configured according to user demand.
The output data length of Wave Panel be 26 bytes, wherein preceding 41 bit of 0-5 byte respectively represent 41 by Key, be worth indicates to press for 1, and 0 indicates to lift, and separately has 7 bits unused, is set as 0;6-18 byte respectively represents 13 encoders (encoder includes 9 knobs, 3 dial and 1 jog wheel);Every 2 byte of 19-24 byte represents 1 screw (2 byte Respectively represent the x-axis and y-axis of screw);25 bytes are left unused.Therefore, monitoring thread should be arranged one 26 in this implementation column The buffer area of byte receives and stores the output data of Wave Panel.
Step S204: monitoring thread analyzes each byte of output data, to judge whether the key in equipment is pressed Under;Whether knob, screw etc. change, if any one state for adjusting component changes, monitoring thread is to notify Form of message notifying parameters adjust main thread, do not change, continue to monitor.
Step S205: parameter regulation main thread receives the notification message of monitoring thread, is come interpretation according to message content Which button is pressed or knob value is changed, to judge the variation of corresponding parameter, conversion accuracy modifies corresponding spy Skill parameter.
Specifically, then modifying the corresponding parameter of button when the notification message received is that button is changed;If it is Knob, screw or other values for adjusting component are changed, then are converted accordingly according to the precision of corresponding parameter, will Data value after conversion is assigned to special-effect parameter or increases to variable quantity on the current parameter value of special-effect parameter, realizes stunt ginseng Several adjustings.
The method for carrying out special-effect parameter adjusting by external equipment Wave Panel in the embodiment of the present invention, passes through monitoring Button, knob, screw or other state changes for adjusting component make parameter to modify special-effect parameter value on Wave Panel Adjusting is more flexible, can be improved the speed of parameter regulation, and parameter regulation can be made more accurate.
The embodiment of the present invention three provides a kind of high-precision adjusting special-effect parameter system, which constitutes as shown in figure 3, packet It includes:
External equipment connection unit 31, for connecting the external equipment for adjusting special-effect parameter.
It reads the newspaper and accuses thread setting unit 32, for monitoring thread to be arranged and obtains the output data of the external equipment.
Resolution unit 33, for parsing the output data and modifying the corresponding stunt in special-effect parameter regulating system Parameter, the high-precision for carrying out the special-effect parameter are adjusted.
Wherein, the external equipment supports human interface device HID protocol.
Specifically, the system further include:
Output data monitoring unit 34, the variation of the output data for monitoring the external equipment, and by the number of variation According to being stored in buffer area.
The output data monitoring unit 34 monitors the variation of the output data of the external equipment with Fixed Time Interval.
It is provided in an embodiment of the present invention that special-effect parameter regulating system is carried out by external equipment, keep parameter regulation more clever It is living, it can be improved the speed of parameter regulation, and parameter regulation can be made more accurate.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can lead to Software realization is crossed, the mode of necessary general hardware platform can also be added to realize by software.Based on this understanding, this hair Bright technical solution can be embodied in the form of software products, which can store in a non-volatile memories In medium (can be CD-ROM, USB flash disk, mobile hard disk etc.), including some instructions are used so that a computer equipment (can be Personal computer, server or network equipment etc.) execute method described in each embodiment of the present invention.
The above, a best specific embodiment only of the invention, but feature of the invention is not limited thereto, and is appointed What is familiar with the people of this technology in the field of the present invention, and the changes or modifications that can be readily occurred in should all cover in following present invention Claim in.

Claims (7)

1. a kind of method that high-precision adjusts special-effect parameter, which is characterized in that this method comprises:
Connect the external equipment for adjusting special-effect parameter;
Monitoring thread is set and obtains the output data of the external equipment;The output data for obtaining the external equipment is specifically wrapped It includes: monitoring the variation of the external equipment output data, and the data of variation are stored in buffer area;
It parses the output data and modifies the corresponding special-effect parameter in special-effect parameter regulating system, carry out the stunt ginseng Several high-precisions is adjusted.
2. the method that high-precision as described in claim 1 adjusts special-effect parameter, which is characterized in that the external equipment backer Machine interface equipment HID protocol.
3. the method that high-precision as described in claim 1 adjusts special-effect parameter, which is characterized in that the external equipment is Wave When Panel, the buffer area is set as 26 bytes.
4. the method that high-precision as described in claim 1 adjusts special-effect parameter, which is characterized in that the monitoring is described external to be set The variation of standby output data specifically includes:
The data of external equipment output are read with Fixed Time Interval.
5. a kind of high-precision adjusts special-effect parameter system, which is characterized in that the system includes:
External equipment connection unit, for connecting the external equipment for adjusting special-effect parameter;
Monitoring thread setting unit, for monitoring thread to be arranged and obtains the output data of the external equipment;
Resolution unit, for parsing the output data and modifying the corresponding special-effect parameter in special-effect parameter regulating system, The high-precision for carrying out the special-effect parameter is adjusted;
Monitoring thread setting unit includes output data monitoring unit, the change of the output data for monitoring the external equipment Change, and the data of variation are stored in buffer area.
6. high-precision as claimed in claim 5 adjusts special-effect parameter system, which is characterized in that the external equipment is supported man-machine Interface equipment HID protocol.
7. high-precision as claimed in claim 5 adjusts special-effect parameter system, which is characterized in that the output data monitoring unit The variation of the output data of the external equipment is monitored with Fixed Time Interval.
CN201110352855.7A 2011-11-09 2011-11-09 A kind of high-precision adjusts the method and system of special-effect parameter Active CN102752531B (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101656873A (en) * 2008-08-18 2010-02-24 北京创先泰克科技有限公司 System and method for controlling camera and holder in location shooting

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4671011B2 (en) * 2000-08-30 2011-04-13 ソニー株式会社 Effect adding device, effect adding method, effect adding program, and effect adding program storage medium

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101656873A (en) * 2008-08-18 2010-02-24 北京创先泰克科技有限公司 System and method for controlling camera and holder in location shooting

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
利用USB控制器设计的Windows 音量控制器;于蕾;《单片机与嵌入式系统应用》;20071231;第60-62页,第3节 *

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