reduce mp4 file size

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Parsing of MP4 file format and segmentation algorithm of MP4 file

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

How to reduce the size of a PDF file

  reducing the size of Adobe PDF files will improve their display, especially if they are accessed on the network without changing their appearance. Sometimes you can reduce the size of Adobe PDF files by simply using the Save As command. this saves the file again, but does not require access to the source files used t

Word does not delete text to reduce file size

embed only the fonts you want. Be sure to check the "Embed characters only" checkbox so that you have the required fonts in your file, and you can reduce the size of your document. 4. Create only one version: Word version feature allows you to generate multiple versions of your files, to make it easier to read in different word, but that will increase the

VS2010 How to reduce the compilation file size (statically linked MFC)

since VS2005 upgraded to VS2010, the build out of the file (EXE, DLL) on the inexplicable increase of a lot, MSDN blog has a blog, detailing the size of the reasons for the increase, as well as the method of reduction. The reason for this is that size increases because of the introduction of Dlginit. He allows the addition of MFC controls on dialog. This function

[Original] reduce the size of the exe file generated by VC6 Compilation

[Title] [original] reduces the size of the exe file generated by VC6 Compilation [Date] 2012-01-12 【Abstract】 reduce the exe size. [Keywords] size, VC6, compression, shelling [Environment] Visual Studio 6 Author wintys (wintys@gmail.com) http://wintys.cnblogs.com URL h

Reduce the size of the XP image file.

", click "No paging file"> "set" (Figure 3 ). Restart the computer once, And the pagefile. sys file in the system will be automatically deleted.4. In addition to the above items, you can also delete files in the "C: windowsDriver Caches", "C: windowsPCHEALTHUploadLB", and "C: windowsTemp" folders, it can also reduce disk space by dozens of MB.Ii. Use the super c

[Silverlight getting started series] How does prism reduce the xap file size of the module to improve performance?

Silverlight applications built with prism often have many modules. Each module can be an xap or all modules can be an xap. For details about the splitting method, see the post on msdn. Let's take a look at the compiled xap file in the clientbin directory, that is, the file to be downloaded to the client. Open this xap file with any compressed

Reduce the size of the ghost image file of XP.

", click "No paging file"> "set" (Figure 3 ). Restart the computer once, And the pagefile. SYS file in the system will be automatically deleted.4. In addition to the above items, you can also delete "C:/Windows/driver caches", "C:/Windows/pchealth/uploadlb", and "C: files in the/Windows/Temp folder can also reduce hard disk space by dozens of MB. Ii. Use the s

How to Use MicrosoftAjaxMinifier to reduce the JavaScript file size _ javascript skills

There are two common methods for downloading JavaScript files: compression and minification ). When using IIS 7.0 on Windows Server to host your website, you can configure IIS to automatically use the GZIP compression algorithm to compress your JavaScript files, this provides significant improvements in performance and File Download size. However, you can get additional performance benefits by compressing a

Reduce the size of the Word file method

Use Word to generate documents, each page is around 20KB, but see the document generated with Notepad, the same content only about 1KB, so that word can also reduce weight loss? In fact, we can use some effective methods to reduce the file size of Word documents. 1. Cancel fast Save when a

Reduce log file size in SQL

Label:SQLreduce the log file size Author : CC Abba 2014-6-14 in Daily SQL database operations, there are often SQL log files are oversized and larger than normal MDF database files, as a general user, LDF is too large, it only affects the server's hard disk space. Here's a quick way to reduce the number of log documents to more than Kin seconds. But I remin

How to use Microsoft Ajax minifier to reduce the Javascript file size

When using IIS 7.0 on Windows Server to host your website, you can configure IIS to automatically use gzip Compression AlgorithmTo Compress Your JavaScript files, which provides significant improvements in performance and File Download size. However, you can get additional performance benefits by compressing and downgrading your Javascript file at the same time.

How to use Microsoft Ajax Minifier to reduce the JavaScript file size

When using IIS 7.0 on Windows Server to host your website, you can configure IIS to automatically use the GZIP compression algorithm to compress your JavaScript files, this provides significant improvements in performance and File Download size. However, you can get additional performance benefits by compressing and downgrading your JavaScript file at the same ti

How to reduce the size of a PDF file after Word has been converted to PDF

When Word converts to PDF, it finds that the PDF is quite large, in order not to change the PDF content, and try not to change the quality, using the "Save as" feature of Adobe Acrobat, which may reduce the size of the PDF, is a very useful technique to avoid our PDF document from being too large to "slim down" the document. The reduce

Common CSS abbreviated syntax summary can help you reduce the size of the CSS file

Using abbreviations can help reduce the size of your CSS file and make it easier to read. The main rules for CSS abbreviations are as follows: The Color 16 color value, if the value of each two digits is the same, can be abbreviated to half, for example: #000000可以缩写为 #000; #336699可以缩写为 #369; Box size usually ha

MP4 file Format fragment mp4

and cons of both formats are analyzed below.For the first format, the meta data for the entire MP4 file is in the file header, and all media data is a whole piece. When the file size is larger, the meta data is relatively large. This is no problem for local playback of

H264-mp4 format and Extract H264 SPS, pps and bitstream in the MP4 file

encapsulated in box (corresponding to the atom in QuickTime), that is, the MP4 file is made up of several boxes, each box has a length and type, and each box can also contain a separate sub box (called Container box). A MP4 file will first have a "Ftyp" type of box, as a MP4

H264-mp4 format and Extract H264 SPS, pps and bitstream in the MP4 file

). A MP4 file will first have a "Ftyp" type of box, as a MP4 format flag and contains some information about the file, then there will be a "moov" type of box (Movie box), it is a container box, The sub Box contains the media's metadata information, and the MP4 file's media

MP4 file Format fragment mp4

pros and cons of both formats are analyzed below. For the first format, the meta data for the entire MP4 file is in the file header, and all media data is a whole piece. When the file size is larger, the meta data is relatively large. This is no problem for local playback o

MP4 file Format parsing

Graphics mode 4 Video compositing mode, copy the original image for 2 o'clock, otherwise with opcolor Opcolor 2*3 {Red,green,blue} Note: The MP4 file recorded by the FFmpeg library differs from the above table.Sound Media Header Box (SMHD) Field Number of bytes Significance Box

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