demultiplexer

operation, waiting for related resourcesThe common feature of a blocking thread is that it discards the CPU, stops running, and only waits until the cause of the blocking is eliminated before it resumes running. or interrupted by another thread, the thread exits the blocking state and throws interruptedexception.4. Blocking/non-blocking/synchronous/asynchronousSynchronous/asynchronous is concerned with the mechanism of how messages are notified. The blocking and non-blocking concerns are proces

, after the search, will be displayed in the system has installed a list of decoders. 5, click "OK" button, return to the [Extended Video Decoder] window, the "MPEG2 video" set to the "Moonlight Three Suite" video decoder (moonlight-elecard MPEG2 videos Decoder) 6, [Parameter Options]→[filter set]→[decoder]→[extended Audio decoder], "MPEG2 audio" is set to "Moonlight Three suite" of the Audio Decoder (Moonlight Odio Dekoda) 7, [Parameter Options]→[filter settings]→[Filter Manager]→[add regist

multiget' Su-c 'yum install gwget' Install the 32-bit flash plug-in Su-c 'rpm-ivh http://linuxdownload.adobe.com/linux/ I #/adobe-release-i386-1.0-1.noarch.rpm' Su-c 'rpm -- import/etc/pki/rpm-gpg/rpm-GPG-KEY-adobe-linux' Su-c 'yum install flash-plugin' Install Skype Su-c 'gedit/etc/yum. repos. d/skype. repo' Copy the following lines in this file:[Skype]Name = Skype RepositoryBase url = http://download.skype.com/linux/repos/fedora/updates/i586/Enabled = 1Gpgkey = http://www.skype.com/products

integrate new implementations of key interfaces with existing JMF classes. JMF has four managers: Manager, packagemanager, capturedevicemanager, and pluginmanager. Manager, which are used to generate player, processor, datasource, and datasink. This factory method facilitates the seamless integration of new implementations into JMF, and generates objects of the same interface in a unified manner. Packagemanager maintains JMF class registration. Capturedevicemanager maintains registration of ava

more suitable for creating video editing applications. You will benefit from it as an application developer. Des replaces the cut table, and the cut table is no longer supported. Two new interfaces, idvdcontrol2 and idvdinfo2, greatly expand the functions of the DVD navigator. The DVD navigator now implements a complete command set of the DVD Annex-J, which can play either the karaoke or the album. The new mswebdvd ActiveX Control enables this feature to be used in script-based applications. Th

event, such as socket Descriptor and file descriptor. In Linux, it is represented by an integer. Events can come from external sources, such as client connection requests and data. Events can also come from internal sources, such as timer events. Demultiplexer: A function used to wait for one or more events. The caller is blocked until an event occurs in the descriptor set separated by the separator. The select function in Linux is a frequently used

The Hollywood principle is "Don't call us, we will call you to inform you". In fact, this is the reactor mode. You don't have to keep asking if an event has happened. When it happens, you will be notified. It is generally used to process concurrent requests on the server. Let's take a look at several participants in the reactor mode. Event processor: corresponds to a descriptor to implement the services provided by the application on this descriptor. Reactor MANAGER: Scheduling core of the e

is deleted from the Queue; on Windows, the operating system is responsible for managing the asio completion event queue; Asynchronous Event Demultiplexer: Asynchronous Event multi-channel splitter. Its function is to wait in the Event queue. Once an Event arrives, it is returned to the caller. In Windows, this function is also completed by the operating system. Specifically, it is completed by GetQueuedCompletionStatus, and this function is called b

This article summarizes the description of these two models on the Internet resourcesOriginal address: http://www.cnblogs.com/dawen/archive/2011/05/18/2050358.html1. Standard definitionTwo I/O multiplexing modes: Reactor and ProactorGenerally, the I/O multiplexing mechanism relies on an event demultiplexer. The Separator object separates the I/O events from the event source and distributes them to the corresponding Read/write event handler (the event

With the advent of IO multiplexing technology, there are many event processing modes. The synchronous I/O model is typically implemented by the reactor pattern, while the asynchronous I/O model is implemented by the proactor pattern. Reactor mode: As shown above, the reactor mode is also called a reactor or reactor, the processor that implements the registration descriptor (HANDLE) and the event (EventHandler), and when an event occurs, the event Reator

In the reactor mode of the previous blog post libevent, we know that an important component of the reactor pattern is the event multicast mechanism (the events demultiplexer). In Libevent, support for the event multiplexing mechanism relies on the multiplexing mechanisms supported by the operating system (SELECT, poll, Epoll, and so on).EventopLibevent defines a top-level struct eventop (event option) to abstract multiple multiplexing mechanisms suppo

1. Standard definitionTwo I/O multiplexing modes: Reactor and ProactorGenerally, the I/O multiplexing mechanism relies on an event demultiplexer. The Separator object separates the I/O events from the event source and distributes them to the corresponding Read/write event handler (the event Handler). The developer pre-registers the events and their event handlers (or callback functions) that need to be processed, and the event separator is responsible

creates a new libevent instance that the program needs to call Event_init ()(internally called Event_base_ The new () function performs a specific operation) to create a function that also initializes the newly generated libevent instance.The function first applies the space for the event_base instance, then initializes the timer mini-heap, selects and initializes the appropriate demultiplexer mechanism for the system I/O ; Initializes the list of ev

IO design mode: Reactor vs. ProactorOpen source products such as Redis, ACE, and event model are used in the reactor mode, while the same event handling proactor, due to operating system reasons, the relevant open source products are also few; here to learn its model structure, the focus of comparison between the two similarities and differences;Reactor Reactorreactor pattern StructureThe reactor contains the following roles: Handle handle; Used to identify a socket connection or open a

! =-1) Event_queue_insert (Base, Ev, evlist_inserted);//Insert an event into the queue Base->eventqueue if(res = =1) {/ * Evmap says we need to notify the main thread. * /notify =1; res =0; }} gettime (Base, now);//Update time in baseEvent_queue_insert (Base, Ev, evlist_timeout);//Add to timer small Gan / * If we are not in the right thread, we need to wake up the loop * / if(Res! =-1 Notify Evbase_need_notify (Base))//If the current thread is not a loop thread, wake loop threads.

destructor is called to close the port. This can make full use of server resources, the efficiency has been greatly improved.System I/O can be divided into blocking, non-blocking synchronous and non-blocking asynchronous three classes, in three ways, non-blocking asynchronous mode of scalability and performance best. This paper mainly introduces two kinds of IO multiplexing modes: Reactor and Proactor, and compares them. actorTwo IO multiplexing modes: Reactor and ProactorGenerally, the I/O mul

code for HEVC (h.265))"(1)The following functions related to Libavformat do not exist in the "pure version" video encoder. Av_register_all (): Register all codecs, multiplexing/demultiplexer components, etc. where Avcodec_register_all () is called to register all codec-related components. Avformat_alloc_context (): Creates the Avformatcontext struct body. AVFORMAT_ALLOC_OUTPUT_CONTEXT2 (): Initializes an output stream. Avio_open ():

up the processing speed:Further, we are able to use multiple selector to handle connection and read events, respectively.A high-performance Java Network Service mechanism will be formed, the exciting cluster parallel computing is about to be realized.Two I/O multiplexing modes: Reactor and ProactorGenerally, the I/O multiplexing mechanism relies on an event demultiplexer. The Separator object separates the I/O events from the event source and distrib

, such as connection requests, data, and so on from the client. It may also come from inside, such as timer events. L Event Reactors (reactor): Definitions and application control event scheduling, as well as application registration, removal of event handlers, and related descriptor interfaces. It is the dispatch core of the event handler and uses the event splitter to wait for the event to occur. Once an event occurs, the reactor first separates each event and then dispatches the callback

Reactor (reactor) mode, so you can know that the reactor is divided into five members: Reactor (reactor), synchronous event Demultiplexer (synchronous event splitter), Handle (descriptor), event Handler (Events handler interface), concrete event Handler (the specific events handling interface).how Java sockets work (easy to understand)The concept of the Socket does not correspond to a specific entity, it is an abstraction that describes the communica