video transcoding companies

CPU transcoding is weak, too slow (supports H265, consumes CPU)AMD, Intel, nvidia three introduced graphics GPU transcoding (H265 not supported)Comparison criteria: System platform windows or LinuxQuality:Speed:Support Software:Mediaespresso (full support, billing, Windows), handbrake (Windows support Intel, nvidia), Mordor Factory (Windows Nvidia)SDK Development:InformationHttp://www.tomshardware.com/revie

Libswresample 0. 17.104/0. 17.104 Libpostproc 52. 3.100/52. 3.100 Hyper fast Audio and Video encoder usage:ffmpeg [Options] [[infile Options]-I infile] ... {[outfile options] outfile} ... Use-h to get all help or, even better, run ' mans ffmpeg ' PHP calls ffmpeg transcoding video Copy Code code as follows: $cmd = ' ffmpeg-i u

not affect the image quality, but will have an impact on image coherence.2. Code Rate Calculation formula:bitrate = Sample rate x-bit depth X-ChannelSo, the bitrate of the above file = 44.1Khz x 16 bit x 2 channel = 1411.2 Kbps2. File size = bitrate x Duration = 1411.2 Kbps x (3 x + +) s = 1411.2Kbps x 227s=38102.4 Kb38102.4 kb/1024 kb/m = 37.2MApproximately equals the MediaInfo tool displays a file size of 38.3M.A little comment on audio and video t

5.4 environmentCopy the Code code as follows:TAR-XJVF x264-snapshot-20120718-2245-stable.tar.bz2#进入解压后的源文件目录CD x264-snapshot-20120718-2245-stable/./configure--prefix=/usr/local--enable-sharedMakeMake install //centos 5.4 Install the source installation ffmpeg with h264 extension TAR-XJVF ffmpeg-2.1.1.tar.bz2 //Enter the extracted directory CD ffmpeg-2.1.1 ./co nfigure--ENABLE-GPL--enable-libx264 Make Make install //Reload configuration Lcfonfig //test installation succeeded FFmpeg If yo

1, the first need to configure parameters, we can configure through the Setup Wizard (General software Open will open the Setup Wizard, you can also open the Setup Wizard in the following way) 2, click the wizard button, and then click the Transcoding Configuration Wizard, you can open the Settings Wizard 3, suggest everyone before setting, bar "restore all set to default value" This option on the hook, and then click Next

1, in the computer below we find the Storm audio and video open to enter and then click, click on the bottom left corner of the toolbox effect shown in the following figure; 2, then we open the pop-up menu option to find the "transcoding" button; 3, in the pop-up table chart click Add File button; 4, then we find to prepare the conversion of the v