1. ffmepg Structure Description1.1 IntroductionFFmpeg (Fast Forward Moving Pictures Experts Group) is a complete solution for audio and video separation, conversion, encoding and decoding, and streaming media. The most important solution is the libavcodec library, it is a complete open-source solution integrating recording, conversion, audio/video encoding and decoding functions. FFmpeg is developed based on Linux, but can be compiled and used in most
1. ffmepg Structure Description1.1 IntroductionFFmpeg (Fast Forward Moving Pictures ExpertsGroup) is a complete solution for audio and video separation, conversion, encoding and decoding, and streaming media. The most important solution is the libavcodec library, which is a set of recording, conversion, audio/video encoding and decoding functions.A complete open-source solution. FFmpeg is developed based on Linux, but can be compiled and used in most
Navigation of this series of articles
FFmpeg Quick Start in Windows
Ffmpeg parameter description
Detailed description of mencoder and ffmpeg parameters (Java video processing)
Java generates video thumbnails (ffmpeg)
Use ffmpeg to conver
the streaming media server can be realized live.
FFmpeg video Capture in Windows
There is very little information about FFmpeg video capture under Windows, but FFmpeg still supports Windows video capture. FFmpeg supports video capture of Windows for Windows (VFW) devices, but VFW devices are obsolete and are being
In the previous article, explained how to use FFmpeg to implement the camera live, this article will be based on the implementation of a variety of video filters can be selected for the camera live example. This article contains the following contents
1, the basic introduction of Avfilter
2. How to use FFmpeg command-line tools to implement various video filters
3. How to use Libavfilter programming to impl
Previously, "Install FFMPEG in Ubuntu to support 3GP format" was installed in Ubuntu server8.04. With the upgrade of Ubuntu and the effectiveness of some libraries, there will be various errors during the installation process. Now I will refer to the article on installing FFMPEG in Ubuntu server9.04Article(From http://marshal.easymorse.com/archives/1635)
The Installation Steps mainly refer to fakeoutdoors
generally 1:90*1000.
The B:codec/decode layer timebase,h264 with frame rate variations such as 1:25 AAC based on sample rate variations such as 1:44,100.
There are many changes in the timebase of the C:raw data layer, such as 1:1000*1000 or 1:1000.
This screenshot is ffmpeg on the Windows platform of the camera capture timebase, if it is iOS or Android can get the system in milliseconds time to set Timebase to 1:1000, the same.
2:
the Videostream?if (Packet.stream_index==videostream) {Decode Video FrameAvcodec_decode_video (Pcodecctx, Pframe, framefinished,Packet.data, packet.size);Did we get a video frame?if (framefinished) {Convert the image from itsnative format to RGB32Img_convert (Avpicture *) Pframergb, PIX_FMT_RGB32,(avpicture*) pframe, PCODECCTX-GT;PIX_FMT,Pcodecctx->width, Pcodecctx->height);Save the frame to disk......}}Free the packet it was allocated byav_read_fram
The following is a special summary of the technical experience and gains, mainly about the actual problems and solutions encountered when using FFMPEG, and will also recommend relevant online materials.
I. formats supported by FFMPEG
Formats that can be parsed by ffmpeg.exe: (ASX, ASF, mpg, WMV, 3GP, MP4, mov, Avi, and FLV ),Mencoder can be used to convert fi
Some time ago, because of the project needs, try to format the image frame by ffmpeg, evaluate the test, and record some basic information about FFmpeg concept:
From Wikipedia:FFmpeg is an open-source computer program that can be used to record, convert digital audio, video, and turn it into a stream. It includes a leading audio/video coding library Libavcodec an
This article describes the Java call FFmpeg implementation of video conversion methods. Share to everyone for your reference. The specific analysis is as follows:
Here the environment I was tested under the Windows platform ...
A total of 4 documents are required under E:\ ffmpeg.exe;mencoder.exe;drv43260.dll;pncrt.dll.Also in E:\input decentralized various file name A of the following video files, but also to E:\output;java program execution can ge
(type, fromfilepath);if (Avifilepath = = null) {return false;}Status = GetResult (Avifilepath, Goaltype);}return status;}
/*** Determine the type of source video (main format or wonderful format)*/private static int Checkcontenttype (String fromfilepath) {String type = fromfilepath.substring (Fromfilepath.lastindexof (".") + 1, fromfilepath.length ()). toLowerCase ();FFmpeg can parse the format: (asx,asf,mpg,wmv,3gp,mp4,mov,avi,flv, etc.)if (Type.
, directly in the specified location watermark (PNG image), after processing, in order to resolve disk space, after the video processing is completed to delete the original video. The author of C # language is the most well-known, so choose C # WinForm to do a simple video batch processing software.Go ahead with a completed project:650) this.width=650; "Src=" http://images2015.cnblogs.com/blog/871423/201601/871423-20160102120409323-1354510578. JPG "style=" border:0px; "/>Read the video in the sp
Compiling ffmpeg (svn version) and x264 (git version) decoding encoder ffmpeg in Ubuntu (Linux) is a tool for decoding and encoding multimedia videos and audio files, it is used to play and convert a large number of multimedia (mainly video and audio) files. X264 is a library file for encoding/decoding H264 video format. It is more efficient than xvid or other po
1. See which YUV format conversions are supported by FFmpeg
Ffmpeg-pix_fmts
2. ffmpeg convert YUV Format command
Ffmpeg-pix_fmt yuv420p-s 176x144-i carphone_qcif.yuv-pix_fmt nv12 CARPHONE_QCIF_NV12.YUV
3. FFmpeg comman
Linux compile ffmpeg and convert MP3 to AMRAMR format is a popular audio file format on smartphones, such as MP3 format, but the file is smaller than MP3, so it is widely used in mobile internet projects. At the end of last year to assist Lenovo Research Institute to develop a pre-installed product process needs to use the MP3 format and AMR format of mutual conversion, the server environment is CentOS 6.0,
the success of YouTube has sprung up domestic video websites, recently, a friend asked me to help him write a program that converts various video formats to FLV , here we will share with you the difficulties and experiences encountered in programming.
1, use the engine: FFMPEG + mencoder 2, FFMPEG Latest Version: http://ffdshow.faireal.net/mirror/ffmpeg/ men
the success of YouTube has sprung up domestic video websites, recently, a friend asked me to help him write a program that converts various video formats to FLV , here we will share with you the difficulties and experiences encountered in programming.
1, use the engine: FFMPEG + mencoder 2, FFMPEG Latest Version: http://ffdshow.faireal.net/mirror/ffmpeg/ men
Original paste: Http://linuxdesktop.cn/2007/07/25/ffmpeg-convert-flv-to-mpeg
convert FLV to MPEG in ffmpeg 2007-07-25 13:50 | Classified Audio and video | by Tualatrix | 315 Times Read
YouTube downloads some video from the FLV format, but it's a little bit of a problem.
Originally mplayer can be very good support f
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