audio video concepts

ext.: http://www.cnblogs.com/haibindev/archive/2011/12/29/2305712.htmlC + + implements RTMP protocol to send H. Encode and AAC encoded audio and videoRTMP (Real time Messaging Protocol) is a streaming protocol specifically designed to transfer audio and video data, originally created by Macromedia and later owned by Adobe, a proprietary protocol used primarily to

Method Method Description Addtexttrack () Add a new text track for audio and video Canplaytype () Check that the specified audio and video formats are supported Load () Reload Audio and

During this period of time on csdn, many people in the same industry, especially those who use FFMPEG for video/audio encoding/decoding, some of which have many years of experience ", some are just beginners. During my discussion with you, I suddenly found a problem: There seems to be an insurmountable gap between the "Great God" and beginners. The "Great gods" are superb, exploring profound issues, while b

In recent years, audio and video instant messaging applications have been gradually applied in various major industries. Even in traditional education and medical industries, it has become an important industry for audio and video instant messaging applications, such as chat rooms, financial industries, banking operati

Developer API layer, (2) The blue solid line part is facing the browser vendor's API layer (that is, the red box inside the module, also I focus on the research part) (3) Blue dashed some browser vendors can customize the implementation of 3, WEBRTC Architecture Component Introduction(1) Your Web AppWeb developers develop programs that enable Web developers to develop real-time communication applications based on video and

Video, audio and other multimedia1, native Multimedia: Fast speed, low dependency on plugins.2. Format of video filesH5 supports the following three types of video file formats (codecs)A,ogg Theora file with the extension:. Ogg or. OGVB,mp4 file with the extension:. mp4 or. m4vC,WEBM extension:. WebM3. Add a single

Http://blog.csdn.net/leixiaohua1020/article/details/15811977 During this period of time on csdn, many people in the same industry, especially those who use FFMPEG for video/audio encoding/decoding, some of which have many years of experience ", some are just beginners. During my discussion with you, I suddenly found a problem: There seems to be an insurmountable gap between the "Great God" and beginners.

Audio/Video Synchronization-Timestamp When media content is being played, the biggest headache is that audio and video are not synchronized. Technically, the best solution to the problem of audio/video synchronization is the time

order to solve the problems mentioned above, the video intercom application system of the operating room is designed for the special application needs of the operating room. This system is a video intercom application system for medical consultation audio and video technology Solution , which is composed of

Network Call. According to the user reflects the flow of such products, and for the network quality requirements are very high.The instability of mobile network, high packet loss rate and call quality have always been the obstacles to the good user experience of mobile instant messaging app, and it is also a key issue to be solved in audio and video communication technology. China has a leading

Brief introductionAudio/video capture has long been the "Holy Grail" in web development. Over the years, we've always relied on browser plugins (Flash or Silverlight) to achieve this. Come and see it!Now it's HTML5 's turn to do it. It may not seem obvious, but the rise of HTML5 has led to a surge in access to hardware devices. Geolocation (GPS), Orientation API (Accelerometer), WebGL (GPU), and Web Audio A

C + + implements RTMP protocol to send H. Encode and AAC encoded audio and videoRTMP (Real time Messaging Protocol) is a streaming protocol specifically designed to transfer audio and video data, originally created by Macromedia and later owned by Adobe, a proprietary protocol used primarily to contact Flash Player and Rtmpserver, such as FMS, Red5, crtmpserve

=====================================================A series of articles based on the simplest ffmpeg packaging process are listed:Simplest FFmpeg-based package format processing: AV splitter Lite (demuxer-simple)Simplest FFmpeg-based package format processing: AV Splitter (demuxer)Simplest FFmpeg-based package format processing: AV multiplexer (muxer)Simplest ffmpeg-based Encapsulation Format processing: Encapsulation format conversion (remuxer)=================================================

In PowerPoint slides, we often use audio and video files, but what kind of audio and video files can be played in PowerPoint. Today I will discuss this topic with you. Figure 1 In PowerPoint, audio and video files ar

Development of audio and video instant messaging applications on iOS platformNow IOS is very popular. A lot of developers are developing IOS platforms. I believe you have also used QQ's voice/video conversation function, but I don't know if you have tried to develop an IOS-based real-time audio and

1. initialize the platform before decoding audio and video:Initplatform (){...}This function mainly completes the following tasks:First, clear the system control information and video buffer information.Hi_mpi_sys_exit ()Hi_mpi_vb_exit () Next, set the video buffer.First configure the size of several video BuffersStvbc

Audio and video storage using the MPEG4IP library interface Mp4writesample Write-Audio Video frame (requires precise control of timestamp, time stamp can use relative value, that is, the current frame timestamp minus the timestamp of the previous frame) Mp4addh264videotrack adding H264 Track (timescale time factor par

Using Html5media.js to view HTML5 video and audio files on all browsers, it makes up for the low version IE browser does not support How to use it?To make HTML5 's video and audio tags work on all browsers, you must include the following line of code inside the head of the page: You can then add a

Xilisoft Video Conversion expert (Converter) is a powerful, user-friendly audio and video format conversion software, support for more than 150 kinds of audio and video format of the transfer, but also support the ipod, IPad, IPhone, PSP, Apple TV, 3GP mobile phone and a var