1.Canvas 属性:Screen Space Overlay -画布随屏幕大小改变而改变,面板不会被其他控件挡住 Screen Space camera 面板能被其他控件挡住 world space 可自修改画布大小 可将摄影机拉进render Camera camera模式下的属性 projection摄像机 2.RectTransform Anchors 内X Y以左边为0,右边为1 属性pivot 轴心 旋转用 点左上交canvas为pivot时为修改有效 rotation旋转
ffplay是ffmpeg源码中一个自带的开源播放器实例,同时支持本地视频文件的播放以及在线流媒体播放,功能非常强大. FFplay: FFplay is a very simple and portable media player using the FFmpeg libraries and the SDL library. It is mostly used as a testbed for the various FFmpeg APIs. ffplay中的代码充分调用了ffmpeg中的函
FFMpeg ver 20160219-git-98a0053 滤镜中英文对照 2016.02.21 by 1CM T.. = Timeline support 支持时间轴 .S. = Slice threading 分段线程 ..C = Command support 支持命令传送 A = Audio input/output 音频 输入/输出 V = Video input/output 视频 输入/输出 N = Dynamic number and/or type of input/out
FFMpeg ver 20160213-git-588e2e3 滤镜中英文对照 2016.02.17 by 1CM T.. = Timeline support 支持时间轴 .S. = Slice threading 分段线程 ..C = Command support 支持命令传送 A = Audio input/output 音频 输入/输出 V = Video input/output 视频 输入/输出 N = Dynamic number and/or type of input/out
v 容器(Container) v 容器就是一种文件(封装)格式,比如flv.mkv.ts.mp4.rmvb.avi等.包含下面5种流以及文件头信息. v 流(Stream) v 是一种视频数据信息的传输方式,5种流:音频,视频,字幕,附件,数据. v 帧(Frame) 代表一幅静止的图像,分为I帧,P帧,B帧. v 编解码器(Codec) v 是对视频进行压缩或者解压缩,CODEC =CODE(编码) +DECODE(解码) v 复用/解复用(mux/demux) v 把不
Spawning Threads Overview Last time we added audio support by taking advantage of SDL's audio functions. SDL started a thread that made callbacks to a function we defined every time it needed audio. Now we're going to do the same sort of thing with t
Hyper fast Audio and Video encoderusage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}... Getting help: -h -- print basic options -h long -- print more options -h full -- print all options (including all format and code