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CPU load information. The interfaces are as follows: Engine_open:/* open a codec engine */ Engine_close:/* shut down a codec engine, which is usually called after the algorithm instance is deleted to release related resources */ Engine_getcpuload:/* Get the CPU usage percentage */ Engine_getlasterror:/* Get the error code caused by the last failed operation */ Engine_getusef8:/* get the memory usage. For details about the header files required by the engine and how to define and use the e
automatically searches for channels to find all the video programs that can be played. 5. So far, we have completed the task of playing TV programs on the server computer! However, if you want other users in the LAN to share the TV program played by the computer on the server side, you must continue with the following settings. 6. Download the Windows Media decoder 9.0. In order to enable the server computer to provide easy-to-use, high-quality codin
to 1 so that the receiver can correct the error or lose the unit. 2. nal_reference_bit: indicates the importance of the nal unit. The greater the value, the more important it is. When the decoder cannot complete decoding, it can discard the NALU whose importance is 0. The importance of different types of NALU is shown in the following table. Nal_unit_type NAL type Nal_reference_bit 0 Unused 0 1 Non-IDR slice
is as follows: 1 Import Pymedia. muxer as muxer 2 Dm = muxer. demuxer ( ' MP3 ' ) 3 Frames = DM. parse (data) 4 Print Len (frames) The first line of code is imported into the muxer module. muxer Google translates the code into a "synthesizer ". The second line of code creates an MP3 demuxer object DM The third line of code is the focus. It parses the first few frames from the first 10000 bytes of data we read and stores these data frames in the frames array. The fourth l
Protocol codecs are the objects you need to pay attention to when using Mina, because the data transmitted over the network is binary data (bytes ), but you are targeting Java objects in the program, which requires you to encode the binary data of the Java object when sending data, when receiving data, the binary data is decoded as a Java object (note that this is not the serialization or deserialization of Java objects ). 1) encoding: encoding is the process of replacing the attribute content o
. This reduces the amount of data stored, transmitted, and processed, improves spectrum resourcesUtilization rate. A series of MPEG standards are developed as shown in table 1, making digitization a reality. Among them, MPEG-2 is a set of international standards for video and audio compression encoding and data stream format. It definesCoding and decoding technology and data stream transmission protocol; develop a common standard between MPEG-2 Decoder
analysis and design, and C language does not directly support the object-oriented syntax, c to imitate C + + is not necessary, when considering the use of C language to build large projects, the use of object-oriented design, and appropriate construction C syntax support such design ideas are needed.3.FFMPEG Architecture AnalysisFFmpeg is currently the most widely used codec software library, supporting a variety of popular codecs, it is implemented in C language, not only is integrated into a
How do I use the KMPlayer player to display the SSA and ass subtitles effects? KMPlayer Method One, use a codec package containing VSFilter.dll (directvobsub) (Codec pack) such as K-lite or perfect decoding 1. When installing Codec Pack (Codec pack), select Directvobsub (usually the default is selected); 2. KMPlayer parameter Options-Media | decoder | filter-do not select Disabled (DivXG400 |
Believe that a lot of people in the first contact with FFmpeg, want to ffmpeg API are very cumbersome, because of their own code is larger, more modules, more APIs, and in the FFmpeg routines are the file's driving into the codec, So want to achieve a simple pure data stream decoding will feel the start; This paper describes the decoding of a complete H264 data into a yuyv format. FFmpeg version: ffmpeg-3.1.2 The FFmpeg libraries used include: Libavformat, LIBAVCODEC, Libavutil external interfac
output them. This filter is specially designed for DVD playback (the DVD has sub-picture or line-21 data needs to be superimposed) or broadcast video streams (including line-21 data. At the same time, it also supports the use of video port extensions by the hardware decoder, that is, bypassing the PCI bus and directly sending the data decoded by the hardware to the video card for display. This filter also gives priority to the DirectDraw capability o
/clang "-- extra-cflags ="-arch armv7 "-- extra-ldflags ="-arch armv7 "-- extra-ldflags =-L/applications/xcode. APP/contents/developer/platforms/iphoneos. platform/developer/sdks/iphoneos7.1.sdk/usr/lib/System -- arch = arm -- CPU = cortex-a8 -- enable-pic -- disable-ASM -- disable-everything -- enable-decoder = h264 -- enable-decoder = rv40 -- enable-decoder = A
armv7 " --extra-ldflags=-l/applications/xcode.app/contents/developer/platforms/iphoneos.platform/developer/sdks/ Iphoneos7.1.sdk/usr/lib/system--arch=arm--cpu=cortex-a8--enable-pic--disable-asm--disable-everything-- enable-decoder=h264--enable-decoder=rv40--ENABLE-DECODER=AAC2) Make clean3) Make4) Make install assumes that the run failed. Run sudo make install5)
contains the ffmpeg DLL file.3. Copy these two parts of the file to the VC project.Note: Problems may occur, see: FFMPEG Library porting to VC required stepsIf you don't want to configure yourself manually, you can download a project that's already configured: The simplest FFMPEG+SDL-based video player2.2 The simplest video playerLearn the article "100 lines of code to achieve the simplest video player based on FFMPEG+SDL" code, this is ffmpeg do video player The simplest code, is my own stream
simplest video playerLearn the article "100 lines of code to achieve the simplest video player based on FFMPEG+SDL" code, this is ffmpeg do video player The simplest code, is my own streamlined, can no longer simplify, each line is very important.The original is a SDL1.2-based video player, and later updated the simplest video player based on SDL2.0: The simplest ffmpeg+sdl-based video player Ver2 (with SDL2.0)The above player uses Libavformat and Libavcodec two class library to complete the vi
If you encounter any difficulties in playing video files in RMVB format in Ubuntu7.10, refer to this article. This article describes how to correctly configure the playing of files in RMVB and other formats in Ubuntu7.10. * Install software decoder * configure subtitles and software * configure totem-xine to load Subtitles * configure mplayer Subtitles install software decoder many people complain that w32c
PROTOBUF is the abbreviation for Google's protocol buffers, which is used to convert between structured data and bytecode (serialization, deserialization), which is generally applied to network transmission and can support multiple programming languages.Protobuf How to use here no longer introduced, this article is mainly introduced in Mina, Netty, twisted How to use PROTOBUF, do not know protobuf students can go to the exam I also have a blog post.In a previous blog post. There is a method of m
This article is the source code of their own reading a bit of summary. Please specify the source for the transfer.Welcome to communicate with you.qq:1037701636 Email:[email protected]Android source code version number version:4.2.2; Hardware platform Full Chi A31The reason why this piece of content is extracted separately is that it has a certain level, the structure is unified, the API function design needs to implement the interface unique to OMX architecture.1. In the previous post Android4.2
password is increased to 1556+12=1568(2) strcpy encountered character 00 truncatedThe box instance Shellcode at 00000009h is 0x00,strcpy at the time of execution and will be truncated prematurely, causing the shellcode to be incomplete and unable to overwrite the return addressTherefore, the shellcode needs to be encodedTo facilitate the reader's understanding, refer to the 0day Security: Software vulnerability Analysis Technology 3.5.2 section of the method (this section is detailed, no longer
PROTOBUF is the abbreviation for Google's protocol buffers, which is used to convert between structured data and bytecode (serialization, deserialization), which is generally applied to network transmission and can support multiple programming languages.Protobuf How to use here no longer introduced, this article mainly introduces in Mina, Netty, twisted How to use PROTOBUF, do not know protobuf students can refer to my other blog post.In a previous blog post, there is a message segmentation meth
In the process of using a computer to play video files, there are sometimes images flashing, color anomalies and other phenomena. In particular, the playback of Divx/xvid and MPEG files is more likely to occur in this type of phenomenon. This kind of phenomenon is caused by the problem of video decoder or video filter. Below depth XP system download station small make up to see the video file play unusual commonly used solution. 1. AV Asynchronous Fa
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