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
PHPexec calls ffmpeg to automatically transcode videos without executing PHPCMS field development for a customer. the actually uploaded video transcoding function is tested on the local machine and passed in the UAT environment. After the customer uploads the file to the production environment, the transcoding will not be executed. The UAT environment is the same as the production environment, and both are
in Linux. FFMPEG is a complete solution for recording, conversion, and streaming audio and video. It is a set of leading Audio/Video Codec class libraries. In addition to FFMPEG, an extension is required to transcode to H264 format. (All software packages are provided at the end of the article)
Install the h264 extension with the source code in centos 5.4
The C
File Base64 will laterdoubled the rise, for example, a 52kb picture base64 after the string file size is 185kb, in a string back to the picture for 135kb picture to text:UIImage *_originimage = [UIImage imagenamed:@ "0.jpg"1.0f); *_encodedimagestr = [_data base64encodedstringwithoptions:nsdatabase64encoding64characterlinelength];[ _encodedimagestr writetofile:@ "/users/singer/documents/0.txt" atomically: YES encoding:nsutf8stringencoding Error:nil]; NSLog (@ "===encoded image:\n%@", _ENCODEDI
Create a program to read and display video files, and use the slider bar to control the playback of video files. A slider is used to control the video playback position, jumping in 10 steps. Another slider to control stop/play/*Create a program to read and display
Video corruption What to do, with the video repair tool Ah, but so many data recovery tools, which can repair the video file I want it ?This should be a lot of customers who encounter video corruption will encounter problems, so how to solve it ?Today, a Technology data Recovery Center small to recommend a suitable
Html production simple framework webpage 2: implement the operation steps and source file download of your audio and video station (you can play the video playback code of mp4, avi, mpg, asx, and swf files ),
The new video playback function is as follows:
The left.html code of the left-side webpage is as follows:
A d
This article illustrates the problem of video files in Android playback assets files. Share to everyone for your reference, specific as follows:
Today did a function, is to play the project inside the video file, not playing SD card video
I remember a lot of friends who asked me that the online videos and Flash Animation files I watched can only be viewed online and cannot be downloaded, is there really no way to get the video and Flash files we want?
Of course not. As long as a video or animation is running on a webpage, there must be traces in the sy
Reprinted from http://tiger506.blog.51cto.com/318536/367624
After using fedora for a period of time, I would like to hear MP3 files. I was surprised to find that the default player could not be played. Don't worry. This blog post can solve this problem.
1. Install RPM fusion first (RPM fusion provides software not provided under fedora or red hat, which is a third-party software pants). Be sure to install it first.
Installation Method:
2. Instal
Today in the FTP upload a mp4 file, found that the player can not play, find a local file to replace the found to play normally, the charm network for this in the browser directly enter the MP4 URL found unable to display the Web page, and then suspect that the server is a problem, may not add the format of this video support.So go to the server and open IIS and add the MIME type property.650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/8B/E
In the huge Baidu to find the resources I need information, but the description of the network can not be resolved, the occurrence of such problems are many people, but did not get an accurate solution! Through the individual aspects of the trial, in fact, very simple to solve the problem of audio files can not be played, if you will encounter such problems in the future, you can follow my way to deal with:
If 3GP file, add the ". 3gp" MIME type to "
: mbd = 2: mv0: trell: v4mv: CBP: last_pred = 3-VF scale = 320: 240-srate 22050-SWS 9-subcp cp936-subpos 0-subalign 0-subfont-text-scale 3-lavfopts I _certify_that_my_video_strea
4.: mplayer infile-SS start_time-noframedrop-nosound-vo JPEG-frames n
Among them,-OVC,-OAC and-of are required.-OVC specifies the video codec. After OVC is specified, it usually carries an opt parameter of the codec.-OAC specifies the audio codec, it will also include the OPT
We use flash to make courseware, often to insert large volume of video files, directly in the flash to complete. Importing video files is a long time. The size of the FLA source file also increases a lot. Many friends have to use decomposition method, the first video into an
For video monitoring users, writing video files is almost a required step. Here, I will give an example of video file writing. First, use opencv to capture the video from a USB camera, and then write the video frame into the
Ffmpeg and opencv play and display video files, ffmpegopencvFfmpeg is based on the latest version. download it from the official website: http://ffmpeg.zeranoe.com/builds /. During compilation, configure the relevant header file and library path in VS2010. For more information about how to build opencv, see the previous blog. First, we will briefly introduce the following knowledge about
There are three ways to combine video ffmpeg. Most of the domestic only introduced one of them. So I think it's necessary to translate a bit. In fact, in FFmpeg's FAQ document, there are more detailed instructions.
Merging video files using the CONCAT protocolThe application scenario of this method is: Video c
of Youku address is to ensure the consistency of two pages, but also reduce their own server pressure, but also with the Youku cooperation better marketing.The device detection code for page access is as follows:You can only load this JS script in the old version of IE by using the IE conditional annotation method.2. Then use the audio or video tag in the body section to add the relevant code for the AV.This allows you to use the audio and
that your downloader can quickly detect the original address of the video download (essentially a file with F4V and flv endings), and easily click to download the hit TV show to your local disk.
At this point to start the "private video conversion software" and then the downloaded network video is added to the software interface, using the mouse will want to me
During the trip, a large number of HD videos were saved in MTS format, and the MTS video format was not universal, causing trouble for post-processing and video storage because it was suitable for cameras to store high-definition video quality. In general, the MTS file to save High-definition video volume is large, lea
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