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is a sequence parameter set (SPS), image parameter set (PPS), enhanced information (SEI). b. H. Video RTP payload Format 2.1. Network Abstraction Layer Unit type (NALU) The Nalu header consists of a single byte, which is in the following format: Description : F:1 bit. Forbidden_zero_bit. This one must be 0 and set to 1 to indicate a syntax violation in the H. Nri:2 bit. NAL_REF_IDC, taking 00 ~ 11, indicates the importance of this nalu, indicating t
Implementation principle: RTP protocol-based video transmission system: Principle Related articles: "1" RTP protocol analysis Introduction to "2" jrtplib "3" QT call Jrtplib for unicast, multicast, and broadcast "4" RTP Payload (payload) type, RTP Payload type Production of "5" (H264) video files "6" Format analysis "7
The reprinting of jrtp is described in detail. I have been studying RTP for several days. I will summarize it today.For the establishment of the jrtplib environment, see my previous summary. Now I will mainly talk about how to learn example under jrtplib3.71.I. sample is a simple IPv4 column that implements RTP data transmission on the local machine.1. initialization.We know that
set (SPS), image parameter set (PPS), and enhancement information (SEI ). Ii. Detailed explanation of h264 RTP packets --- reprint H.264 video RTP load format 1. Network abstraction layer unit type (NALU) The NALU header consists of one byte. Its syntax is as follows: + --------------- +| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |+-+| F | NRI | type |+ --------------- + F: 1 bit.Forbidden_zero_bit. The H.264 specific
the following data information is a sequence parameter set (SPS), image parameter set (PPS), enhanced information (SEI). Second, H264 RTP package Detailed---reproduced H. A video RTP payload format 1. Network Abstraction Layer Unit type (NALU) The Nalu header consists of a byte with the following syntax: +---------------+|0|1|2|3|4|5|6|7|+-+-+-+-+-+-+-+-+| F| nri| Type |+---------------+ F:1 a bit.Forbidd
Normally, RTSP provide streaming over UDP. By nature, UDP are a better choice as it provides robust streaming capability for media. However, it's unlikely to use UDP for streaming over the Internet.Typically, RTSP provides a UDP way to send RTP streams. Of course, UDP is often a better choice when sending streaming media.However, it is not possible to send a stream using UDP on the Internet. Some issues with UDP is the following are some problems when
Use of open-source RTP-jrtplib (2)I have been studying RTP for several days. I will summarize it today. For the establishment of the jrtplib environment, see my previous summary. Now I will mainly talk about how to learn example under jrtplib3.71. I. sample is a simple IPv4 column that implements RTP data transmission on the local machine. 1. initialization. We k
stream. (4) The streaming media server uses the RTP/UDP protocol to transmit audio/video data to the client. Once audio/video data arrives at the client, the audio/video client program can play the output. It should be noted that in stream transmission, two different communication protocols, RTP/udp and RTSP/tcp, are used to establish a connection with the Streaming Media Server, this is to redirect the se
RTP The Protocol is a new protocol proposed by IETF in 1996 for real-time data transmission. The RTP protocol is composed of real-time transport protocol and real-time transport control protocol. RTP provides real-time transmission of continuous media data based on multicast or unicast networks. RTCP The Protocol is RTP
H. rtppayload format------H. A video RTP payload format1. Network Abstraction Layer Unit type (NALU)The Nalu header consists of a byte with the following syntax:+---------------+|0|1|2|3|4|5|6|7|+-+-+-+-+-+-+-+-+| F| nri| Type |+---------------+F:1 bits (no bit).Forbidden_zero_bit. This one must be 0, as stipulated in the H.Nri:2 a bit.NAL_REF_IDC. taking 00 ~ 11, it seems to indicate the importance of this nalu, such as 00 of the Nalu decoder can dis
Turn from: http://blog.csdn.net/jwybobo2007/article/details/7054140 Network Abstraction Layer Unit type (NALU): The Nalu header consists of a byte, and its syntax is as follows: +---------------+|0|1|2|3|4|5|6|7|+-+-+-+-+-+-+-+-+| F| nri| Type |+---------------+ F:1 a bit.Forbidden_zero_bit. The H.264 specification stipulates that this one must be 0. Nri:2 a bit.NAL_REF_IDC. Taking 00~11 seems to indicate the importance of this nalu, such as a 00 NALU decoder that can discard it without affecti
Last time I talked about the XMPP protocol, this encounters another protocol, RTP. xmpp:http://blog.csdn.net/shinichr/article/details/23832157 Concept: RTP English name is real-time Stream Protocol, as the name implies a very high real-time protocol. This protocol is similar to the HTTP protocol, which is plain text to send the message, the difference is that RTP
Session. begindataaccess (); If (session. gotofirstsource () {do {rtppacket * packet; while (packet = session. getnextpacket ())! = 0) {cout For the establishment of the jrtplib environment, I can refer to my previous summary. Now I will mainly talk about how to learn example under jrtplib3.71. I. sample is a simple IPv4 column that implements RTP data transmission on the local machine. 1. initialization. We know that
Session. begindataaccess (); If (session. gotofirstsource () {do {rtppacket * packet; while (packet = session. getnextpacket ())! = 0) {cout For the establishment of the jrtplib environment, I can refer to my previous summary. Now I will mainly talk about how to learn example under jrtplib3.71. I. sample is a simple IPv4 column that implements RTP data transmission on the local machine. 1. initialization. We know that
download, just a few seconds to a few 10 seconds to play and watch on the client. The remainder of the media file will continue downloading in the background. Compared with the simple way of downloading, this kind of streaming mode is not only shorten the startup delay greatly, but also reduce the demand of the system cache capacity. Another benefit of using streaming is that it makes it possible to transmit media data (such as live webcast, video conferencing, etc.) that are not known or sized
Real-time transmission protocol (RTP) provides end-to-end transmission services with Real-Time Characteristics for data, such as interactive video audio or analog data under multicast or Unicast Network Services. Applications usually run RTP on UDP to use its multi-node and verification service. Both protocols provide the transport layer protocol function. However, RTP
RTP and Rtcp explain. Include sync timestamp RTP is real-time transport protocol abbreviation, is designed to transmit streaming media data, has a wide range of applications, other related to the introduction of their own to see the RFC, I do not intend to discuss these boring conceptual things. (1) Understanding RTP It can be said that the
1. Applicable H.264 Video Transmission Mechanism RTP is discussed earlier. Protocol and the basic stream structure of H.264, how can we use RTP to transmit H.264 videos? An effective method is to strip each NALU from the H.264 video, add the corresponding RTP Header before each nalu, and then send packets containing the
Streaming media refers to the continuous time-based media transmitted using stream technology in the network. It features that the entire file does not need to be downloaded before playback, but is played by downloading and playing, it is the technical basis for video conferences, IP phones, and other applications. RTP is a standard protocol and Key Technology for Real-Time Streaming Media transmission. This article describes how to program Real-Time
H.264 video RTP load format 1. Network abstraction layer unit type (NALU) The NALU header consists of one byte. Its syntax is as follows: + --------------- +| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |+-+| F | NRI | type |+ --------------- + F: 1 bit.Forbidden_zero_bit. The H.264 specification specifies that this digit must be 0. NRI: 2 bits.Nal_ref_idc. 00 ~ 11. It seems to indicate the importance of this NALU. For example, the NALU decoder of 00 can discard it
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