asio mixer

1. Implement multi-Threading method:It's actually multiple threads calling Io_service::run at the same timefor (int i = 0; I! = m_nthreads; ++i){Boost::shared_ptrBoost::bind (boost::asio::io_service::run,m_ioservice));M_listthread.push_back (PTH);}2, multi-threaded scheduling situation:ASIO specifies that the event completion processor can only be called in a thread that calls Io_service::run.Note: The event completion processor is your async_accept,

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Boost. Asio c ++ network programming translation (26), boost. asio Network ProgrammingBoost. Asio-Other Features This chapter describes some features that Boost. Asio is not so well known. Standard stream and streambuf objects are sometimes more difficult to use, but as you can see, they also have their benefits. Final

1. Overview Generally, most of the types we create for receiving errors are declared as follows: boost::system::error_code error We use this type to accept Errors generated in functions, such: socket.connect(endpoint, error); If the connection fails, the error type will be saved to error. For example, if the connection to the host fails, this error may be returned. boost::asio::error::host_not_found; If (error) throws an exception after detecting the

Boost. Asio c ++ network programming translation (21), boost. asio Network ProgrammingThe author of synchronous VS asynchronous Boost. Asio made a very amazing job: it allows you to freely choose between synchronous and asynchronous, so as to better adapt to your application. In the previous sections, we learned the frameworks of each type of application, such as

Boost. Asio c ++ network programming translation (20), boost. asio Network ProgrammingThe Asynchronous Server chart is quite complex. From Boost. Asio, You can see four arrows pointing to on_accept, on_read, on_write, and on_check_ping. That means you never know which asynchronous call is the next complete call, but you can be sure that it is one of the four oper

Boost. Asio c ++ network programming translation (24), boost. asio Network ProgrammingMultithreading In the Asynchronous Server I have displayed on the client and the server in Chapter 4th. The Asynchronous Server is single-threaded, and all things happen in main: int main() { talk_to_client::ptr client = talk_to_client::new_(); acc.async_accept(client->sock(), boost::bind(handle_ accept,client,

used at the operating system level. The most significant difference is that, at TCP distance, the Reactor will notify the upper-layer application when the kernel receives TCP data, the following code extracts data from the kernel and calls the processing function for processing (when and how ). After receiving data from TCP, The Proactor will copy the data to the specified space by the kernel, and then immediately call the registered callback function for processing. It seems that Proactor is

////Async_client.cpp// ~~~~~~~~~~~~~~~~//an asynchronous HTTP client that is very similar to synchronization. The difference is the last point where the loop is synchronized//Copyright (c) 2003-2013 Christopher M. Kohlhoff (Chris at kohlhoff dot com)////distributed under the Boost software License, Version 1.0. (See accompanying//file license_1_0.txt or copy atHttp://www.boost.org/LICENSE_1_0.txt)//#include#include#include#includestring>#include#includeusingboost::

boost/asio库中封装了很多关于scoket的函数，当然，asio库还包含很多底层的库。我们可以用socket编写一个基于UDP协议的黑框通讯程序。要想使用asio里面的函数，大多都需要先创建一个io_service对象，然后通过这个serveice来构造不同的对象，所以第一步，我们得创建两个对象： boost::asio::io_service io_service; boost::asio::ip::udp::socket udp_socket(io_service);这里唯一需要注意的就是命名空间的使用，两处不同。创建了

//Daemon.cpp//This example shows a fork system call that combines the ASIO and POSIX standard systems to produce a daemon. //time server? //Copyright (c) 2003-2014 Christopher M. Kohlhoff (Chris at kohlhoff dot com)////distributed under the Boost software License, Version 1.0. (See accompanying//file license_1_0.txt or copy atHttp://www.boost.org/LICENSE_1_0.txt)//#include#include#include#include#include#include#include#include#includeusingboost::

Original: Istio Source analysis--mixer Telemetry report Statement This article needs to understand Istio,k8s,golang,envoy,mixer basics The analyzed environment is K8s,istio version 0.8.0 What are telemetry reports? This article mainly introduces a GRPC interface provided by mixer, which is responsible for receiving envoy escalated logs and showi

Mixer structure analysis [uavcan]. Mixer structure analysis [uavcan as an example] mixer commands are system app commands located in the Firmwaresrcsystemcmdsmixer directory, its function is to load valid content in the mix file to the specific device mixer structure analysis [uavcan as an example]

Mixer structural Analysis [Uavcan for example] The mixer instruction is a system app command, located under the Firmware/src/systemcmds/mixer directory, where the function is to load the contents of the mix file into a specific device, and then resolve these definitions by mixergroups in the specific device. This example is taking Uvacan as an example, after the

Author: Lu Qiming Sorting Date: 2004/12/27 As you know, video Renderer (VR) receives raw RGB/YUV data and then displays the filter on the display. To improve the Computer Drawing performance, based on your computer's graphics card capabilities, VR will first use DirectDraw and overlay surfaces. If these features are not supported by the graphics card, VR will use the GDI function for drawing. When the upper-level filter is connected to VR, VR always requires the RGB format of the color bits set

keywords : mixer function, control Panel, audio device adjustmentIf you have used Windows Audio devices, such as playing music or recording, chatting, adjusting the size of the microphone or sound, and setting the mute, you can adjust it through the Audio Settings panel in the Control Panel, and you must be familiar with the following two settings panels.The Control Panel adjusts the volume and left and right channels while playing, and it can also mu

Create a buffer In io operations, read and write data mostly in a buffer zone. In the asio framework, you can use the asio: buffer function to create a buffer zone to provide data read and write. The buffer function does not apply for memory, but provides an encapsulation of the existing memory. Char d1 [128];Size_t bytes_transferred = sock. receive (asio: buffe

TCP: resolver is generally used in combination with TCP: resolver: Query. You can use the word "query" to obtain the corresponding information of the socket, generally, we care about the address and port of socket. through TCP: resolver, it is easy to set and query. It uses query to set the IP address in string format, such as 192.168.0.200 or the Host Name HTTP: // The localhost and port "8080" are converted into the internal representation format of the socket, so that we can directly use the

Transferred from: bytes Comparison of DS, KS, Asio, and wasapi output in win7 Next we will introduce the history of wasapi and the development history of Microsoft's voice processing: In Windows before WINXP, General DMA was used to process sound. DMA = Direct Memory Access is the IO mechanism of all the storage devices, such as harddisk, LAN Card, and drives, most of my computers in the 386 s used Pio to process HDD Data Access. That is, all

Study Notes for beginners, please correct me if you have any mistakes. The number is also please point out, thank you.Audio Mixer to add effects and blend sounds from your scene to audio sourceOpen the Audio Mixer window: Windows Audio MixerThe group group for the current mixer is displayed under the groups barThe audio mixer