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To open the already installed format factory, we see that the format factory provides a very very many format conversion way, basically covers all! As shown in the picture:
As a demo, assume that this side we need to convert WMV format files to MP4 format files, the author clicks the box in the diagram to MP4 v
]. [dbo]. The [Comm_sys_storageserver] table finds the corresponding server_id for this server IP. (Storagepath is the path to the video file store)2, according to SERVER_ID, in [Mder_center]. [dbo]. The [Comm_media_info] database iterates through all wmv -formatted video files in the local database. Get a video file of this server ID, not converted wmv format"SELECT * from [Mder_center]. [dbo]. [Comm_medi
In SS/XS, we use FFMPEG as an example. However, when converting wmv and ASF, the image is often displayed on the screen. I checked the information on the Internet and found that the parameter adjustment was invalid.
Later, I used mencoder, and the conversion was slow, but the quality was good. I tried at least a dozen WMV/ASF screens, unexpectedly, the converted
-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
. 19.104Libavdevice 55. 5.100/55. 5.100Libavfilter 90.100/90.100Libswscale 2. 5.101/2. 5.101Libswresample 0. 17.104/0. 17.104Libpostproc 52. 3.100/52. 3.100Hyper fast Audio and Video encoderUsage: ffmpeg [options] [[infile options]-I infile]... {[outfile options] outfile }...Use-h to get full help or, even better, run 'man ffmpeg'
Php calls ffmpeg to transcode th
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
whether the installation is successfulFfmpeg
If you see the following content, the installation is successful:
The Code is as follows:
Ffmpeg version 2.1.1 Copyright (c) 2000-2013 the FFmpeg developersBuilt on Dec 17 2013 23:32:40 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-3)Configuration: -- enable-libx264 -- enable-gplLibavutil 52. 48.101/52. 48.101Libavcodec 55. 39.101/55. 39.101Libavformat 55. 19.10
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
Recently in the Research institute has video format to turn MP4Because HTML5 only supports MOV MP4and other formats: Looking at a lot of data found that turning into FLV is simple.But it's hard to turn mp4 ...After my disdain for the effort. Finally the conversion succeeded.The command is as follows:Ffmpeg-i d:\5367002155592.wmv-c:v libx264-strict-2 D:\test.mp4PS: I was converted in Windows Command window.Y
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
(); 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 else {System. out. println ("kaishizhuang");
" 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
My goal is to call FFMPEG conversion. the AVS file is. there is no problem with FLV files and parameters. I can run the command line to successfully convert the video format. now I write it as a function in
Program In the call, there is a problem :(
Public int convertvideotoflv (){Int re= 999;
PROCESS p = new process (); // create an external call threadP. startinfo. filename = @ "F: \ FLV \
generally selected-vol 200 200% volume, change your-muxvb 768 seems to be to the PSP machine recognition of the bitrate, generally choose 384, 512 and 768, I changed to 1500,PSP said the file is damaged-F PSP output PSP private format"output.wmv" Output file name, you can also add path to change the file name# ffmpeg-ss 00:00:00-t 00:00:03-y-i test.mp4-vcodec copy-acodec copy test1.mp4 #视频裁剪The explanation
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