how to compress mp4 file on mac

look after the boxes that may or may not appear ... Can see out, MP4 the frame sample to group, that is, chunk, need to indirectly through the chunk to describe the frame, the reason is to compress the storage space, reduce the size of the media information occupied by the file. In this case, STSC Box's resolution is relatively complex, it uses a clever way to i

sequence to generate the GIF, the next thing you need to do is encode the data in the Bitmap sequence into the GIF file format and generate the final GIF file. The goal is very clear, then see the specific implementation process. 1. GIF Format Introduction Create GIF file before it is necessary to introduce the storage format of GIF, GIF format related article

Some PDF files will be larger and bigger because they contain a lot of pictures or as they continue to be edited, and we can use the Mac built-in Preview (Preview) program to help thin out these bloated files. Open PDF file with preview; Select Save As ... on the File menu; In the Save As ... dialog box, in the Quartz filter option, select Reduce

Many people like Mac know that this OS does not like win on WinRAR or hao123 decompression and other similar software, for the compression and decompression of files is not convenient, after downloading RAR file package will be helpless, it is extremely embarrassing, in order to avoid this situation, self-help, clothed. Go to http://www.rarlab.com/download.htm this site to download the unpacking Kit RAROSX

The first use of Apple Mac computer Friends may not be familiar with all aspects of MAC computer operating system, including our most commonly used compression and decompression folder operation, today PC6 Apple Network Small series to bring you on Mac computer how to compress and decompress files and folders using tut

Apple Mac computer compression and decompression file and folder method 1, if you need to deal with the file is not on the desktop, then you need to first click on the "Go to"---"Computer" 2, in the Computer window on the left, there are "All My Folders", "Application", "desktop" ... Pictures these options. You can only manipulate the files or folders in thes

Used to 7-zip and WinRAR on Windows, and came to the Mac and suddenly found no such tool? Mac comes with the Zip tool does make people vomit bad, compression rate must not not to say, because the Mac file name is Unicode encoding, to the GBK encoded Windows on the extracted file