. HTTP Live Streaming
HTTP Live streaming is an HTTP-based streaming media transport protocol proposed by Apple. It cuts an entire audio and video stream into a small audio and video stream that can be downloaded by HTTP and generates a playlist (m3u8), where the client only needs to get a m3u8 playlist of resources to play the audio and video. Can realize live broadcast and on-demand. HLS is the technology to achieve live broadcast on demand, its de
fitvids.js.
2. The Bigvideo
Https://github.com/dfcb/BigVideo.js
The plugin will convert the video or image to a large background, and his demo page displays a Full-screen video using the parallax scrolling mechanism.
3. The Popcorn
Https://github.com/mozilla/popcorn-js
According to Mozilla, this plugin developed by Mozilla is one of the best jquery video plug-ins, and you can use "popcorn.js" to handle various formats of media. Includes HTML audio and video processing, YouTube, Dailym
The role of Rails Asset Pipeline is to compress a bunch of CSS files into a CSS, compressing a bunch of JS into a JS, reducing the HTTP request when accessing the page. where are the css/js stored? (Lego parts)
In rails, the style file is saved in the following two file directories:
App/assets
Applied style files, such as articles, users, comments Css/js
Lib/assets
External source style files, such as Videojs,jquery plugin manifest files (drawi
I. Basic knowledge:1. Video format: + h, audio format AAC;2. The traditional live broadcasting protocol has Rtmp,rtsp,mms...3. The Apple System protocol is HLS, the Apple video format is the m3u8 format, through which the resource video is segmented into a very small video to be downloaded continuously, the small video format is mpeg-ts format; Two. Technical steps1. Capture the video source and audio source data (DirectShow(or other) technology )2.
'(Ignore case) option by entering: set ic (including case-sensitive matching, such as Ignore and IGNORE)
Set the 'hlsearch' and 'incsearch' options: set hls is (highlighted)
(Set option)
24. Typing ": set xxx" sets the option "xxx". Some options are:
'Ic ''ignorecase' ignore upper/lower case when searching
'Is ''incsearch' show partial matches for a search phrase
'Hls' hlsearch' highlight all matching ph
20. replace:
R: replace multiple letters
R: replace a single letter
21. Move the cursor to the end of the next line: j $
22. Use the y operator to copy text and p to paste it
NOTE: you can also use y as an operator; yw yanks one word.
23. Set the 'IC '(Ignore case) option by entering: set ic (including case-sensitive matching, such as Ignore and IGNORE)
Set the 'hlsearch' and 'incsearch' options: set hls is (highlighted)
(Set option)
24. Ty
), and then under this root directory is another directory and sub-directory www.2cto.com
Like DOS and Windows, Linux uses "paths" to indicate the levels of files or directories in the file system. A path consists of multiple directory name strings separated by "/", which are divided into absolute paths and relative paths. An absolute path is a method that starts from the root directory "/" to indicate the location of a file or directory in the system. For example, if an absolute path is used t
does not emit light by itself. Therefore, only the colors that absorb specific light waves and reflect other light must be reduced.(2) principle of HLS (color phase, brightness, and saturation)HLS is Hue, Luminance, Saturation ). Color is a property of color. it is essentially the basic color of color, which we often talk about seven colors: red, orange, yellow, green, blue, and purple, each color represen
Chinese)
"" Set r0000on, you must set this to ensure
"" The Chinese functionality of gvim
Set ru
"" For syntax color
If term = "xterm"
Set term = rxvt
Set t_Co = 8
Set t_Sb = ^ [4% dm
Set t_Sf = ^ [3% dm
Endif
Syntax on
"" Set visual bell and disable screen flash
": Set vb t_vb =
Set bs = 2
"" Toggle on/off highlightsearch
Map
: Set hls!
Set hls?
"" Toggle on/off paste mode
mechanism of Web server can do high concurrent streaming media distribution;2, the player according to the network bandwidth size dynamic switching different bitrate media source, has the good compatibility;3, has technology by the strong technical strength of the company to lead the development of standards, reliable and practical.Has technology from the development of Internet video technologies, if applied to the traditional industry, will also bring good results.One, Apple HTTP Live streami
The ninth part---Project ffmpeg command parsingYou have seen the ffmpeg on the arm Development Board to give the following information:usage:ffmpeg [Options] [[infile Options]-I infile] ... {[outfile options] outfile} ...Refer to the previous command to perform the same task on the PC Linux operating systemFfmpeg-i rtsp://admin:[email protected]-vcodec copy-acodec copy-s 640x480-f flv rtmp://192.168.1.102:1935/hls/te St2Do a detailed explanation here
Sns.palplot (Current_plette) #当你有六个以上的分类要区分时, # The simplest way is to draw evenly spaced colors in a round color space # Using the HLS color space, this is a simple conversion of the RGB value Sns.palplot (Sns.color_palette ("HLS",8)) #8种颜色data= Np.random.normal (Size= ( -,8)) +np.arange (8)/2Sns.boxplot (Data=data,palette=sns.color_palette (" His",8) ) #hls_palette () function to control the brightness a
format, and the result was shocking:The above test.264 size is 6.2M, converted to. yuv format after the size of 1.6G, really took a surprise. It's too compressed.2. Test the performance of the streaming media serverThe most critical place to be, success or failure stake.(1) Open Nginx[Email protected]:/data/misc/nginx-rtmp/sbin #./nginx-p/data/misc/nginx-rtmp-c conf/nginx.conf(2) FFmpeg push to Nginx[Email protected]:/data/misc/ffmpeg #./ffmpeg-android-i rtsp://admin:[email protected] -vcodec
use X. In practice, you only need to useMake-dwithout_x11 installOnly the text version of VIM can be installed.
After installing ports/Editors/vim. Vimrc:
Set fileencoding = Taiwan
Set guifontset = 8x16, kc15f,-*-16-*-big5-0
And set the locale of zh_tw.big5. In this way, the child can delete a Chinese text at a time.
The following are the suggestions
Set cindent
Set ENC = Taiwan
Set fileencoding = Taiwan
Set HLS
Set nocompatible
Set Sw = 2
Syntax on
Wowza is one of the most popular streaming media servers today, because of the need to set up a corresponding server, but do not want to use camera and other real live, so try to convert media files into live stream and then provide to Wowza live. Here to set the steps and the design of the VOD step out, hoping to let the needy people less detours.1. IntroductionWowzastreaming Engine 4 (aka the famous Wowzamedia Server?) is a high-performance, scalable streaming media server software that suppor
554. Generally, streams in ts and MP4 format are transmitted. 3. HLS (HTTP live streaming)××× Streaming media protocol. M3u8 is used as the index file, and the video is a segment file in MPEG2-TS format. If it is a live video stream, update the m3u8 file to live the video. Because the final video is a fragment file, the length of the list video is delayed. Therefore, it can only be used for quasi-real-time video streams with less real-time requireme
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