ffmpeg examples

FFmpeg syntax FFmpeg [[Options] ['-I' input_file]... {[Options] output_file }... If there is no input file, the video and audio will be captured (only effective in Linux, because the audio and video devicesCompositionHandle. As a general rule, option 1 is used for the next specific file. If you select-B 64, the next video rate will be set. The format option may be required for the original input file

Download FFmpegFrom FFmpeg official website: http://ffmpeg.org/download.html Download the latest FFmpeg installation package and unzip it using the following command: TAR-JXVF ffmpeg-2.5.3.tar.bz2 or download it from GitHub using git:ConfigurationThis article makes a relatively simple configuration: ./configure–enable-shared–prefix=/usr/loc

On mini2440, the whole transplant process is divided into three steps: (1) compiling x264, (2) compiling FFmpeg, and (3) after the transplant is successful, the test is to use ffmpeg recording.(1) Compiling x264The official web site under a new x264, address http://www.videolan.org/developers/x264.html. The file I downloaded is last_x264.tar.bz2.120 version AddressHttp://pan.baidu.com/s/1jG81TSqThe decompre

Part---ffmpeg transplanted to AndroidThe last few days have been engaged in the FFmpeg Android transplant, my goal is to cross-compile ffmpeg on Linux eventually get can push to the Android directory execution of the FFmpeg executable file.In order to achieve this goal, to complete the transplant of

Original URL:Https://github.com/tonydeng/fmj/blob/master/ffmpeg.md# screenshot command screenshot Command capture a picture of 352x240 size, format jpg Ffmpeg-i input_file-y-F image2-t 0.001-s 352x240 output.jpg convert the first 30 frames of the video into a animated Gif Ffmpeg-i input_file-vframes 30-y-F gif output.gif intercept the 230x240 thumbnail in the first 8.01 seconds of the video

What FFmpeg is. FFmpeg is a complete solution for recording, converting, and streaming audio and video, including Libavcodec, a leading audio/video codec class library. FFmpeg is developed on Linux when it can be compiled on most operating systems, including Windows. Note FFmpeg to GCC rely on very strong, so it is on

Install FFmpeg 2.6.3 on Ubuntu/Debian/Fedora FFmpeg is a popular multimedia framework that can be used to record, convert digital audio, video, and convert it into an open-source computer program of stream. Use the LGPL or GPL license. It provides a complete solution for recording, conversion, and streaming audio and video. It contains a very advanced audio/video codec library libavcodec. To ensure high por

The system has ffmpeg with its own installation, such as not supporting '-LIBFAAC ' Recompile method: Content Source: Https://ffmpeg.org/trac/ffmpeg/wiki/UbuntuCompilationGuideLucid Compile FFmpeg on Ubuntu Lucid Lynx 10.04 LTS This guide supports Ubuntu Lucid Lynx 10.04LTS. If you are using a different Ubuntu version, the main Compile

After the weekend, I should organize the skills used in my work last week and write them into a blog, which is also convenient for me to check later. Recently usedFFmpegFor video transcoding, considerFFmpegThis tool supports multiple threads, and the server is also multi-core. We want to maximize the computing power of the server. Obviously, you cannot use a single thread, but the more threads, the better. You need to find a balance point. This requiresTimeCommand, and redirect the output of t

FFmpeg library function source code analysis article list: "Architecture Diagram" FFmpeg source code structure diagram-decoding FFmpeg source code structure Map-Encoding General FFmpeg Source code Simple analysis: Av_register_all () FFmpeg Source code Simple analysis: Avcode

The mencoder command line looks a little scary, so FFmpeg is used. In fact, most of the so-called conversion software is based on FFMPEG, and mencoder also uses FFMPEG. FFmpeg is used for mplayer organizations. So why can't many software convert some files and CODEC? This is because

Ffmpeg-i 1.wmv-c:v libx264-strict-2 1_wmv.mp4Ffmpeg-i B.mp4-codec COPY-BSF H264_mp4toannexb a.tsFfmpeg-i 1.mp4-c:v LIBX264-CRF destination.flvFfmpeg-i hyb-wish.wav-acodec libmp3lame-ab 192k-ac 2 Hyb-wish.mp3Ffmpeg-i hyb-wish.wav-acodec libfaac-ab 192k-ac 2 HYB-WISH.AACFfmpeg-i hyb-wish.wav-acodec libamr_nb-ab 12.2k-ar 8000-ac 1 hyb-wish-nb.amrFfmpeg-i hyb-wish.wav-acodec libamr_wb-ab 23.85k-ar 16000-ac 1 hyb-wish-wb.amrReprinted from: http://www.cnblo

A series of sample programs on FFmpeg were made, which consisted of the FFmpeg sample program collection, which included the following items:Simplest ffmpeg player: The simplest ffmpeg-based video playerSimplest ffmpeg audio player: The simplest

FFmpeg is a very powerful audio and video processing tool, the official website is: http://ffmpeg.org/website Introduction FFmpeg is: A complete, cross-platform solution, can record, transform and transfer audio and video. FFmpeg can play video as well as command line tools to handle video, there is also a powerful video processing library for development, the fo

1. Relationships between the most critical structures in the FFmpeg There are many structures in ffmpeg. The most critical structures can be divided into the following categories: A) Solution protocol (HTTP,RTSP,RTMP,MMS) Aviocontext,urlprotocol,urlcontext primarily stores the type and status of the protocol used by AV. The Urlprotocol stores the encapsulation format used by the input video audio. Each of

the new version of the MinGW direct installation can be used. Below is Wingw's Web page http://www.mingw.org/wiki/InstallationHOWTOforMinGW. Download the latest version of MinGW in the box to build the Mingw+msys environment directly.The following minor modifications, in order to implement the FFmpeg compilation.3) Modify "Msys.bat"Open X:\msys\msys.bat with a text editor, because you intend to compile the program with msvc++, you need a. lib file to

FFmpeg Common basic Commands (RPM) "FFmpeg" FFmpeg common basic commands 1. Separating the video audio stream Ffmpeg-i input_file-vcodec Copy-an output_file_video//split video stream ffmpeg-i Input_file-acodec copy-vn output_file_audio/ /Separate audio streams 2. Video re-

Start as follows:FFmpeg is an open-source project developed based on Linux. The source code is incompatible with the C/C ++ compiler provided by the most common Visual Studio in windows. Therefore, it cannot be compiled using msvc ++. To use FFMPEG, the first problem to be solved is to configure a Linux-like compiling environment in windows, compile FFMPEG into a binary library, and then use it for further

I. Cross-compile FFMPEG library on the MIPs platform in Linux: 1. Download the source code of the FFMPEG Library(Http://sourceforge.net/project/showfiles.php? Group_id = 205275 package_id = 248632 ):[Root @ localhost FFMPEG] # lsFfmpeg-laster.tar.gz2. decompress:[Root @ localhost FFMPEG] # tar zxvf

Compile and install FFmpeg from the source code in the Mac OS X Environment Recently, due to a project requirement, real-time video codec needs to be developed, and FFmpeg is used for real-time video codec in x264 mode. In Windows and Linux environments, FFmpeg dynamic libraries, header files, and other resources are easily obtained, and the compilation environme