ffmpeg convert avi to mp4

I have been confused. I have always said that FFmpeg is very powerful, but I have never studied it. Today I finally learned about its strength! First of all, FFmpeg is successfully compiled and installed in Linux. For details about the installation process, refer to my previous blog! Here we will directly introduce how to pack .hsf-pure code streams into .mp4.

Transferred from: http://cache2.weidaohang.org/h/index.php?q=aHR0cDovL2Jsb2cuY3Nkbi5uZXQvemh1cWluZ183MzkvYXJ0aWNsZS9kZXRhaWxzLzY2MzY4NTc=Has been more confused a problem, all said FFmpeg function is very powerful, but he has not been to study, today finally saw a bit of its strong place!First of all, of course, the Linux compiler and installation success FFmpeg, about the specific installation process, you

Because my itouc4does not support rmvb, you must convert it to MP4 if you want to watch cartoons online. Originally, I used mediaco der for conversion, but most recent versions often encounter errors. Some time ago I wrote a conversion method using AVS + x264. Now I want to remove AVS and use FFMPEG. Use1. View rmvb attributes Before conversion, check the file at

-01316438de54fba6421e9817746b2229 Allow Flash Player to support playback of MP4 files, and solve the problem of not loading side-by-side multicastFirst, let the Flash Player support MP4, you need to convert the encoding to H. MP4.Second, to solve the problem of side loading side playback, the

print out all the video size sizes supported by h263. If the audio conversion parameters are wrong, FFmpeg will also print the reason and prompt information, very good.2. Different file format is required for codec that can be placed in it. For example, MP4 can not be put into H263/mp3. So when the top turns into h263, the output file is 3gp. If file format is wrong, FFmpeg's error message is: [That's basi

(); return true;} catch (Exception e) {e. printStackTrace (); return false ;}} Private boolean process () {int type = checkContentType (); boolean status = false; if (type = 0) {// status = processFLV (PATH ); // directly convert the file to the flv File status = processFLV (PATH);} else if (type = 1) {String avifilepath = processAVI (type); if (avifilepath = null) returnfalse; // The avi file does not get

meaning of these parameters, which is very simple:-I -- input file;-acodec -- specify audio codec, use the FFMPEG-formats command to view all the file formats and CODEC;-AB -- bitrate supported by the currently compiled FFMPEG. A key must be followed by a key; otherwise, the key is invalid; -AC: specifies the number of channels;-AR: Specifies the sample rate. Note that amrnb is 8000, amrwb is 16000, and no

-2004 Fabrice BellardConfiguration:--enable-memalign-hack--enable-mingw32--enable-mp3lame--extRa-cflags=-i/local/include--extra-ldflags=-l/local/libBuilt on Aug 2006 13:44:13, gcc:3.2.3 (MinGW special 20030504-1)Input #0, AVI, from ' Test.avi ':duration:00:00:10.3, start:0.000000, bitrate:700 kb/sStream #0.0, 15.00 Fps:Video:cinepak, yuv420p, 128x128Output #0, 3GP, to ' test.3gp ':Stream #0.0, -1. #J fps:Video:h263, yuv420p, 128x96, q=2-31, kb/sStream

RM format How to convert MP4?RM to MP4 format Converter list RM mp4 Format Converter Rank one: MP4/RM conversion specialist The MP4/RM conversion expert has a comprehensive focus on professional conversion tools opti

Recently, due to the need to convert some videos from the FLV format to the AVI format, I wrote the following script to automate the conversion: #! /Bin/bashffcmd = '/cygdrive/C/work-DIR/FFMPEG/ffmpeg.exe' # path to ffmpe tools # Check output directory existif! Test-d $2; then mkdir $ 2FI # Convert FLV to avifor F in

Convert the file test. Avi to test. FLV.FFmpeg-I test. Avi-AB 56-ar 22050-B 500-r 29.97-s 320x240 test. FLVThumbnail capture of files:FFmpeg-I "test. Avi"-y-F image2-ss 4-T 0.001-s 350x240 test.jpgCapture existing FLV files:FFmpeg-I "test. FLV"-y-F image2-SS 8-T 0.001-s 350x240 test.jpg

the video encoder.-of bytes is encapsulated in mp4, if m001.avi is used, avi is used for encapsulation. The-vf lavcdeint parameter is used to remove the brushed stripes (sawtooth lines) in the video. If not, skip this parameter. The h264 encoding process is time-consuming. In my computer (AMD quad-core 2.8G), the encoding speed is about 30fps, which is basically

" test.jpg " -SS followed by time in seconds **************** 4. Create a class [Java]View plaincopy Public class convertvideo { Private Static string input_path; Private Static string output_path; Private Static string project_path; Private Static hashmap Static { Filetype = new hashmap Filetype. Put ("Avi", "true "); Filetype. Put ("MPG", "true "); Filetype. Put ("WMV", "true "); Filetype. Put ("3GP", "true "); Filetype. Put

This article describes how php converts a video to an mp4 format using memcoder. It involves php video file operations and has some reference value, for more information, see the following example. Share it with you for your reference. The specific implementation method is as follows: "; $ Command =" mencoder $ input-o $ output-af volume = 10-aspect-of avi-noodml-ovc x264-x264encopts bitrate = 500: lev

SWF is an interactive animated file format that requires Adobe Flash player to be installed in order to open a SWF file. So how do you convert your downloaded SWF file to a common MP4 format? We'll use the SWF format converter, which enables you to swap SWF for a common video format MP4, as follows: Tools/raw Materials SWF Format Converter http://pan.baidu.com

Use memcoder to convert a video to mp4 format (x264) Use memcoder to convert a video to mp4 format (x264) "; $ Command =" mencoder $ input-o $ output-af volume = 10-aspect-of avi-noodml-ovc x264-x264encopts bitrate = 500: level_idc = 41: bframes = 3: frameref = 2: nosn

Http://linux.51yip.com/search/ffmpeg# ffmpeg-y-i "1.avi"-title "Test"-vcodec xvid-s 368x208-r 29.97-b 1500-acodec aac-ac 2-ar 24000-ab 128-vol 200 The-F psp-muxvb 768 "output.wmv" is explained below:-y overwrites the output file, that is, if the output.wmv file already exists, overwrite it without prompting-I "1.avi" i

[Urgent] I cannot use php to call ffmpeg in ubuntu to convert the video format, extract frames, and input the camera in real time. Is it a php setting problem? Or code problems? I follow /~ Modified the description in lyj/Programming/configure_php.html. This is the php code for video conversion. test. avi is placed in the main folder directory and can be converte

This article describes how to use codeigniter to upload a video and convert ffmpeg to flv. For more information, see The Code is as follows: $ File = 'video _ file ';$ Config ['upload _ path'] = './video_folder /';$ Config ['allowed _ types'] = 'mov | mpeg | mp3 | avi ';$ Config ['max _ size'] = '000000 ';$ Config ['max _ width'] = '';$ Config ['max _ height']

/*** Video conversion (converted to FLV format) ** Creation Time: 2010-11-21 */public class testconvert {/** input file path attribute */private string in_path; /** output file path attribute */private string out_path;/** ffmpeg.exe storage path attribute */private string ffmpeg_path;/** completion progress attribute */private int complete = 0; /** constructor */Public testconvert (string inpath, string outpath, string ffmpegpath) {This. in_path = inpath; // value the path of the video file to b