Compile FFmpeg: The first step:从官网http://ffmpeg.org/下载最新版本.解压tar -xjvf ffmpeg-3.3.1.tar.bz2进入目录cd ffmpeg-3.3.1Step Two:从http://yasm.tortall.net/Download.html下载yasmtar -xvzf yasm-1.3.0.tar.gzcd yasm-1.3.0/./configuremakemake installStep Three:回到ffmpeg目录中./configure --enable-shared --prefix=/你想让他编译以后在哪里/ffmpegmakemake install编译为动态库时的问题:/usr/bin/ld: /usr/local/lib/libavcodec.a(avpacket.o): relocation R_X86_64_32S against `av_destruct_packet‘ can not be used when making a shared object; recompile wi
Release date:Updated on:
Affected Systems:Apple Motion Description:--------------------------------------------------------------------------------Bugtraq id: 62874CVE (CAN) ID: CVE-2013-6114
Motion is a dynamic image editing tool launched by apple that can generate animations for text and letters.
When a MOTN file is processed by a version earlier than Apple Motion
Ccaction movement did not realize elliptical motion or circular motion, so in the Internet to find a lot of related posts, there is a cccircleby can achieve circular motion, but when using ccrepeatforever cycle motion, always will be stuck, So on the Internet to find an example of the implementation of elliptical
Objective:the translation of this series is in order to cater to the Unity VR craze and the learning needs of everyone, the launch of the unity-oriented leap motion official document in the English-Chinese translation. This fourth chapter of the script reference lists the classes that leap motion defines for the script contained in the core resource bundle provided by unity, in the form of a directory link.
Analysis of js motion application instances and js Application Instances
This article provides two examples of js motion applications. The specific implementation content is as follows:
Application 1:
The js Code is as follows:
Application 2:
The Code is as follows:
The above is all the content of this article, hoping to help you learn.
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Using JavaScript to play games
CSS3 The animation through @keyframes definition animation, animation set animation properties, so as to achieve the animated effect;In the animation attribute, you can specify the name of the animation, the running time of the entire animation, the speed curve of the motion, and its delay time, number of plays, and so on.AnimationAnimation, as a composite property, includes the following animation properties.
Animation-name------------------
This tutorial introduces the most basic three kinds of animation methods in Flash: Frame animation, deformable animation and motion animation.
1. The concept
One- frame animation --the most basic form of flash animation--is the animation created by changing the contents of each consecutive frame on the edit stage.
shape Tween Animation --a animation that is implemented by changing the shape or color of a basic shape, and automatically creatin
Back to "flash Basic Theory Class-Catalog"
Elastic motion
I have always believed that elastic motion will be the most powerful and useful physics concept in ActionScript animation. Almost all objects can use elastic motions. Let's look at what is elastic motion and how it is used in flash programming.
As mentioned at the beginning of this chapter, the accelera
The activity image in the concept cartoon, unlike other films, film directly with the movement of objects, but through the movement of the objective object observation, analysis, research, with the performance of animation techniques (mainly exaggerated, emphasizing some aspects of the movement over), a piece of painting out, a piece of film, and then the continuous show, Making it active on the screen. Therefore, the motion law of the object should
With the progress of society and the development of science and technology, the application of industrial robots is becoming more common. Industrial robot is a multi-purpose manipulator which can realize automatic control, repeatable programming, multi-degree of freedom, and freedom of movement to build space right angle relation. The way in which the work behaves is mainly by completing linear motions along the X, Y, Z axes. Because of its variety, the axis of
JS implementation of the motion framework code example:Elements of the motion effect in a large number of scenes have been applied, the most typical one is the site's customer service system, generally with the scroll bar movement, this chapter introduces JS a motion framework example, I hope to give the needs of friends to bring reference to the role.The code is
Multi-Object Motion frame:1. Multiple boxes simultaneously motion: Move (obj,target) one more parameter2. Multiple box fadesOpen a few more timers, and nothing can be shared (such as Alpha).Arbitrary value Motion Frame: Move (obj,attr,target)1. Set different changes to the box through a set of framesBecause transparency is a bug in the original frame, there is an
Android motion sensor
Android motion sensor
The Android platform supports some sensors used to monitor device movements (five such sensors ). Two of them are pure hardware sensors. The other three (Gravity Sensors, linear acceleration sensors, and Rotation Vector Sensors) may be hardware sensors or software sensors. For example, in some Android devices, software-based sensors obtain data from acceleration a
Looking back at the previous content, we know there is a measurement update and a Motion update (forecast).Motion updates are done with full probability or an addition, and we've solved more complex situations.I took it out and came up with the formula.And it also implements this step in code.The motion part doesn't want to go deep, it's a very simple step, let's
Jquery allows you to move the cursor to the image list. jQuery and CSS are used to implement the image list. When you move the cursor to the left, the image is moved to the left and restored.
The jQuery events use mouseenter and mouseleave, and the event binding method uses the newly recommended on method.
The Code is as follows:
JQuery allows you to move the mouse over the image list to micro-motion.
JQuery allows you to move the image list c
Anima is a JS plugin that can animate many objects at the same time. And each object has its own mass and density to mimic real-life objects.CSS3 animations have some limitations, and the main thing is that you can't really control them completely. If you don't use a few tricks, you'll almost never stop the animation transition.Anima is a basic physics-based JS Animation library framework. You can easily create real-life object motion animations throu
HTML5 Canvas color ball Collision Motion effect, html5canvas
Script IntroductionHTML5 Canvas color ball Collision Motion effect is a sports ball animation effect based on canvas and object-oriented production.
Effect display http://hovertree.com/texiao/html5/39/ is as follows:
The Code is as follows:
This article mainly introduces the javascript motion effect, and summarizes and analyzes the methods of JavaScript effects, such as Zoom-in, sliding-in, and scrolling based on examples, for more information, see the examples in this article to summarize the implementation and usage of javascript motion effects. We will share this with you for your reference. The details are as follows:
I. Zoom in and out t
The circular motion of canvas learning, and the circle of canvas Learning
Html section
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Circular MotionRelated Knowledge: trigonometric functionMethod: place the shape on the circumference and the angle is 0 radian on the right hand side. In each animation loop, you only need to increase the angle of the Shape on the circumference, the shape can be moved along the circumference.Problems to be Solved:How to calculate the (x, y) coordinate values in
Because a and B start at the same time, but their speed is not necessarily the same, we can set their speed to LA, lb (La, LB is, total route of B dog)
So how can a and B be the shortest distance between them when moving along a straight line?
Because the motion is relative, we can think of a as something we don't understand, and the movement direction of B relative to a is VB-va, therefore, we can see the relationship between A and B + (Vb-Va ).
As f
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