pptx to mp4

named Transmageddon, which allows you to easily create formats such as mp4, Ogg, and QuickTime. However, if you have a large number of videos that need to be converted, it is easier to use the mencoder program. mencoder supports almost all video formats, and supports a wide range of adjustable parameters and high speed. First, you need to install the mencoder program: $ Sudo apt-get install mencoder View the Video and Audio Encoder supported by your

Please refer to the question of downloading MP4 files in PHP. the file download is incomplete. function dl_file($file){ $len = filesize($file); $filename = basename($file); $file_extension = strtolower(substr(strrchr($filename,"."),1)); switch( $file_extension ) { case "mp4": $ctype="video/mp4"; break; default: $ctype="application/force-download

Canon and other high-definition SLR now more and more popular and more advanced technology, users in the use of the same time, there will inevitably be data loss, etc., today encountered a shooting wedding customers mistakenly operation will canon 80D machine in the MP4 format file all format lost, Later use of the various scanning software on the Internet to try their own recovery failed, the recovered files will not play properly.Canon 80D machine u

Php+ffmpeg implements the automatic transcoding of video into H264 standard MP4 file, Configuring the php.ini File File_uploads = on;//whether to allow the switch to upload files over HTTP. The default is on is open upload_tmp_dir;//File upload to the server where temporary files are stored, if not specified will be used the system default temporary folder Upload_max_filesize = 1024m;//Wang Wen Business, that is, the maximum size allowed to upload fil

Www. fire-rain.comblogFFMPEG_H264_MP4PHP + FFMPEG automatic transcoding H264 standard Mp4 File recently made an online teaching network project, need to upload any format of video automatic h264 standard video, using html5 playback. Finally, PHP + FFMPEG is used for implementation. Here we will share our detailed solutions with you! Configure ph Http://www.fire-rain.com/blog/FFMPEG_H264_MP4 PHP + FFMPEG automatic transcoding H264 standard

1.nginx supports FLV and MP4 format playbackDefault Yum installation NginxCENTOS7 installation of Nginx should be the default installation of the Nginx_mod_h264_streaming module# nginx-v See if the Nginx_mod_h264_streaming module is installedNginx in the new version has supported the--with-http_mp4_module--with-http_flv_module these 2 modules can be# vi/etc/nginx/nginx.confserver {Listen default_server;Listen [::]:80 default_server;server_name _;root/

After the video is uploaded successfully, the returned m3u8 file cannot be found, but the uploaded MP4 file can be found. How can this problem be solved? For example, if the m3u8 file cannot be found after the upload is successful, you can find the MP4 file. Previously, it was normal and suddenly failed. After the video is uploaded successfully, the returned m3u8 file cannot be found, but the uploaded

Nginx integrates mp4 and flv modules Note:After nginx 1.1.3, mp4 and flv modules are supported by default, and no third-party modules are required.Procedure:1: decompress, compile nginx, compile and add mp4 and flv modules:# Tar-zxvf nginx-1.3.14.tar.gz# Cd nginx-1.3.14#./Configure#. /Configure -- prefix =/usr/local/nginx -- user = nobody -- group = nobody -- wit

Maybe you're wondering why I uploaded an flv or MP4 file to the server and entered the correct address through the HTTP protocol to access the always "can't find this page" 404 error? This indicates that the MP4 format file is not recognized by the server, in fact, this is the reason why the corresponding MIME type is not set in IIS. So how do you set the MIME type?If you open the

function Dl_file ($file) { $len = filesize ($file); $filename = basename ($file); $file _extension = Strtolower (substr (STRRCHR ($filename, "."), 1); Switch ($file _extension) {case "mp4": $ctype = "Video/mp4"; Default: $ctype = "Application/force-download"; } Header ("Pragma:public"); Header ("expires:0"); Header ("Cache-control:must-revalidate, Post-check=0, pre-check=0");

This article describes how PHP converts a video to MP4 and obtains a video preview image. it involves php video file operations, for more information about how to convert a video into MP4 and obtain a video preview, see the example in this article. Share it with you for your reference. The specific implementation method is as follows: The code is as follows: The above is the PHP method for converting a

How to extract and generate mp4 files in AndroidWith the gradual popularization of Android 4.4 and later versions, the MediaExtractor class introduced by Android 4.1 and the MediaMuxer class introduced by Android 4.3 can finally begin to officially "glow and Heat. MediaMuxer is mainly used to generate multimedia files (such as mp4 files) by mixing audio and video data, while MediaExtractor is the opposite.

The company's project needs to merge one image and one MP3 audio file into MP4 and play the video on HTML5. It was originally thought to be a very simple matter, so a simple FFMPEG command was quickly written for execution. FFmpeg-I 2.mp3-F image2-I 3.jpg-acodec AAC-strict-2-vcodec libx264-ar 22050-AB 128 K-AC 2-y 4.mp4 At the beginning, the merged MP4 video can

With the development of smartphone and the development of app, the demand of MP4 format is reduced. However, the MP4 format still has its own needs, such as the iphone's own video player and itunes need the video is MP4 format. Change the video into MP4 format so you can easily watch it on other Apple mobile devices.