The knowledge in this article involves:Crystal Report 9Apply to:All versionsJava ViewerComparisonOutlineSome Crystal decisions products offer two kinds of Java viewers:· Intelligent Java Viewer· Java Plug-in ViewerWhat's the difference between the two viewers?SolutionWhen you select the (smart) Java Viewer, you are using the viewer applet provided by the browser'
HTTP (Hyper-Text Transfer Protocol), RTSP (Real Time Streaming protocol live Stream Transfer Protocol), RTMP (Routing Table Maintenance Protocol Routing Tables Maintenance Protocolis the application layer protocol, theoretically can do live, on-demand, in fact, live more than rtmp and RTSP, on-demand and more with RTSP and HTTP. First, common areas:
HTTP
RTSP-RFC2326 protocol format Analysis 1 application layer protocol, control the transmission of real-time data streams, the Protocol aims to control multiple data transmission links, select the channel for sending, such as UDP, multicast UDP and TCP. many methods have nothing to do with the RTSP status, but the following methods are very important: SETUP, PLAY, RECORD, PAUSE, TEARDOWN. ~~~~~~~~~~~ SETUP: Le
data packets. therefore, the server can dynamically change the transmission rate or even the type of the payload. RTP and RTCP can be used together to optimize transmission efficiency with effective feedback and minimal overhead. Therefore, it is particularly suitable for transmitting real-time online data.
RTSPReal-Time Streaming Protocol (RTSP) is proposed by Real Networks and Netscape. This Protocol defines how one-to-multiple applications can eff
RTP/RTCP/RTSP/SIP/SDP RelationshipRTP (real-time transport protocol, Transport layer)Real-time Transport Protocol) is a Transport layer protocol for multimedia traffic on the Internet. The RTP protocol details the standard packet format for transmitting audio and video over the Internet. RTP protocols are commonly used in streaming media systems (with the RTCP protocol), video conferencing and a Push-to-talk system (with either a/p or SIP), making it
The rtsp is paused. the Mapache + php tool mplayer + vlc function enables camera recording and playback (only playback is used here). The technical route is recorded by mplayer. after recording, the recorded video files are played using the rtsp protocol, and the vlc is used as the rtsp server. the player control inserted in the browser is qui
Simple RTSP message interaction processC represents the RTSP client, s represents the RTSP server1. First step: Query server-side available methods1.c->s:option request//Ask S which methods are available1.s->c:option response//s The public header field of the response information includes all available methods provided2. Step Two: Get Media description Informatio
live555-based video live DM368IPNC RTSP analysis
This is my Code analysis of the TI DM368IPNC RTSP live part.
Appro IPNC Video Stream live part of the RTSP, based on live555, by rewriting Wis-streamer implementation, live555 official on the internet has wis-streamer code download, appro modify it, The Getavdata interface is added to the framedsource so that the
station, embedded SD card.Five, the application method
The recommended way is:. Encoder output RTMP protocol.. Streaming media system Access uses the RTMP protocol.. Streaming media system for live distribution using RTMP.. pc+ Live + real-time requirements High: use Flash to play rtmp.. pc+ Live + No real-time requirements: Use rtmp or HLS.. pc+ on Demand: Using HTTP or HLS.. Apple ios/osx: Both use HLS (real-time requirements to parse rtmp yourself, or use an external library,such as https://
HTTP (Hypertext Transfer Protocol), RTSP (Real time Streaming protocol live streaming protocol), RTMP (Routing Table Maintenance Protocol Routing Tables Maintenance Protocol) is the application layer protocol, Theoretically all can do live, on-demand, in fact, live more than rtmp and RTSP, on-demand is more use RTSP and HTTP.First, common areas:
HTTP (HTT
RTP over RTSP (TCP) (i)solution for mixed delivery of RTP over RTSP packetsRTSP-RTP over TCP-to-use TCP communication, the need to request TCP connection during RTSP SETUP. The RTSP client needs to request a TCP connection in the setup phase for the sent Setup command with which you want to use a TCP connection. The Se
Recently completed a RTSP proxy gateway, this is the second development to do RTSP protocol related development work, compared to the simple rough version of 11, this time in the underlying TCP/IP communication and RTSP protocol has a number of new accumulation, here record. Basic RTSP Protocol Interactive process to r
Original post address: http://blog.chinaunix.net/uid-26611383-id-3755283.html
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I have written an article about compiling the VLC player source code on the Android platform on Linux. The VLC player is excellent and open-source, its core is the open-source video codec library FFMPEG. The player also supports the RTSP protocol, which is ma
Recently, we need to create an RTSP Streaming Media Player. After studying it, we encapsulate an RTSP playing class crtspplayer, and the decoding library uses FFMPEG. Due to the simple requirement and limited time, only the following basic interfaces are available: Play, stop, and pause. The following is a simple RTSP Player Based on the crtspplayer class.
Curre
5. RTSP service operations
I have understood the basics. How do RTSP, RTP, and other protocols use these basic mechanisms to operate?First, let's look at RTSP.
RTSP must first establish a TCP listening socket. We can see this function:Dynamicrtspserver * dynamicrtspserver: createnew (usageenvironment ENV, port ourpor
There are many heroes on the internet have done a detailed analysis of Darwin, under the purpose of accumulating experience only, will Darwin's learning process to record, at the same time with friends to Exchange learning, today first to analyze Darwin if according to the configuration file monitoring RTSP connection process.1. Darwin system initialization, Bool16 qtsserver::initialize (..... )2. Qtsserver::createlisteners (... Based on the address a
Https://github.com/illuspas/nginx-rtmp-win32Http://bashell.sinaapp.com/archives/build-nginx-rtmp-module-on-windows.htmlHttps://github.com/xaccc/nginx-rtmp-win32Https://github.com/luowei/nginx-rtmp-sample/blob/master/conf/nginx.new.confHttps://github.com/luowei/nginx-rtmp-sampleFirst step: first introduce the relevant technology usedNote: The Jwplayer plug-in used in the project does not support the RTSP protocol, so use the following techniques to tur
Analysis of RTSP-RFC2326 protocol formats 3-DESCRIBE requestsThe customer initiates a DESCRIBE request to the server. In order to get the Session Description (SDP), the following is what I actually got from the Live555 server. The content is as follows: DESCRIBE rtsp: // 10.45.134.29: 8554/hsf-esvideotest RTSP/1.0 // method resource ID protocol and version CSeq:
Recent research on RTSP HTTP stream Stream acquisition methodVLC over live555 is a good choice, of course, Andorid framework AV is also supporting RTSP http, the same good choice1. CompilingHttps://wiki.videolan.org/AndroidCompileI am Ubuntu 12.04 may be the environment to install some things better for the sake of it, uh, looks like another necessary condition, the network. Assuming you don't have this, yo
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