how to rotate mp4 video

Sometimes, in the work of some customers need to use video, we all know that video is very cost-consuming, so if the project requires customers to buy a video server alone is very out of the box. Then upload the video to Youku, Iqiyi and other video sites to host that is a g

http://blog.csdn.net/qq_19079937/article/details/43191211Inside the MP4 structure, the HDLR field (specifically in ROOT->MOOV->TRAK->MDIA->HDLR) contains the stream is a video or audio or letter.FFmpeg Code:In the FFmpeg code, use the Codec->codec_type in the stream to determine what kind of flow the stream is.The 12th part of the ISO_IEC_14496 International standard is marked as follows:In the

1, the web player can not play the problem Coding problems. Need is H.264 encoding, not this encoded in some Flash version or OS will not put out video problems, you can use 3GP, MP4 Video Conversion Wizard (Brvideoconverter) transcoding. 2, can not play at the bottom of the problem MP4

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-n

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: nosnr: nossim: pass = 1: threads = auto-oac mp3la

(Strpos ($result, ' tag:rotate ')!== FALSE) {$result = explode ("\ n", $result);foreach ($result as $line) {if (Strpos ($line, ' tag:rotate ')!== FALSE) {$stream _info = explode ("=", $line);$orientation = $stream _info[1];}}}return $orientation;} Use the Imagerotate () function to rotate the screenshot:$movie = new Ffmpeg_movie ($video _filepath);$frame = $movie->getframe (1);$GD = $frame->togdimage ();i

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

This article mainly introduces PHP using Memcoder to convert video into MP4 format, involving PHP operation video file skills, with a certain reference value, the need for friends can refer to the This example describes how PHP uses Memcoder to turn video into a MP4 format

This article small series and you share Win7 Professional version of the system will be Tencent video conversion mp4 Format method, some users want to Tencent video conversion mp4 format, but do not know how to operate, online introduction of the method is relatively small. So this tutorial is a small compilation to sh