The Code
In this lab you will implement a streaming video server and client that communicate using the Real-Time Streaming Protocol (RTSP) and send data using the Real-Time Transfer Protocol (RTP ). your task is to implement the RTSP protocol in the client and implement the RTP packetization in the server.
We will provide you code that implements the RTSP protoco
[Streaming media] Android real-time video collection/encoding/transmission/decoding/playback-Solution Research (initial)
Skyseraph Mar 23rd 2012
Email: zgzhaobo@gmail.com QQ: 452728574
Real-Time Video Stream collection
Solution 1: Set setpreviewcallback in Android camera shooting preview to implement the onpreviewframe interface to capture
A friend sent a video to record and download the video. he found the tool to download and synthesize the video. he cached the url of the corresponding streaming media, it can be downloaded or merged by url. we recommend that you download the streaming media file at the speci
color of paint,
The RGB mode is often used on the monitor, which is different from the pal or NTSC video standard.
Conversion between YUV and yiq
The conversion formula between YUV, yiq, and RGB is as follows:
Y = 0.299r + 0.587G + 0.114b
U = B ━ y
V = r y
I = 0.877 (R-Y) cos33 platinum 0.492 (B-Y) sin33
Q = 0.877 (R-Y) sin33 + 0.492 (B-Y) cos33
RGB is composed of three primary colors: R, G, and B. Similarly, YUV is composed of three elements: Y, U,
"Streaming media" Android real-time video encoding-h.264 hard-codedSkyseraph APR 4th 2012Email:[email protected].com
1 hard-coded Soft-coded hard-coded : by calling the Android system's own C-Amera recording video, actually calls the underlying HD encoded hardware module, that is, the graphics card, not using the CPU, Fast Soft Coding : Use the CPU to en
data, it can also be h264-encoded video data, or h263-encoded video data used by early mobile phones. Of course, the sound can be AAC, amrnb, or something else. All of these are OK as long as the decoder supports them. This is like Program , Or a decoder. Then, you can randomly draw a streaming media Video Frame Desig
Document directory
① Use mediarecoder
② Use localsocket
③ Mediarecorder Problems
Http://www.cnblogs.com/skyseraph/archive/2012/03/31/2427593.html
0
This article is only a series of coherence. In fact, mediarecoder has been used in the previous series of blog posts. For details, see the previous Android series blog Android (19)
1 Overview
Use mediarecorder of Android to bind localsocket to the setoutputfile function.
2 knowledge points ① use mediarecoder
For more information, see [questio
I. Server Side
Based on Feng Add an open-source Streaming Media Server Web server, Used to receive the video data uploaded by the client, and then RTSP/RTP Live broadcast to mobile terminals
Ii. Client Applications
1. Introduction Client Applications are mainly based on Android Platform, package the video data of mobile phone record
year after getting import and export support for theora, cineltlenow has distributed theora encoding support, which makes theora content creation much faster. that is, it makes sense to support distributed encoding. Sourcefree.org
6. PeerCast (http://www.peercast.org/): "PeerCast is a simple, free way to listen to radio and watch video on the Internet. it uses P2P technology to let anyone become a broadcaster without the costs of traditional
FLV video is already the majority of video sites preferred video type, domestic and foreign famous video sharing station YouTube, Youku, potatoes, Sina Blog, Qiyi and so on are all Flash Player Flv/mp4 video.
FLV has two modes of publishing
One, ordinary HTTP way: This met
The implementation of the idea of a few lines of code can be done, put a button on the interface or with the play icon ImageView, click on the event to call the local player to play.Uri uri = uri.parse ("http://218.200.69.66:8302/upload/Media/20150327/43bfda1b-7280-469c-a83b-82fa311c79d7.m4v"); /Call the system's own player to play streaming video Intent intent = new Intent (Intent.action_view); LOG.V ("uri
Original address
1. To check the corresponding domain name for direct broadcast to accelerate the configurationTo carry out live streaming, users must open live acceleration-"Configure Live Domain name-" Live push stream, you can refer to the "Quick Start";2. Troubleshoot the obtained push stream URL address is accurate2.1 How to get the push-flow addressAfter the success of direct seeding, users can be in the Aliyun console-"Live
Audio and video parameters of streaming media
Definition
Resolution is an important concept related to images. It is a technical parameter for measuring the expressiveness of image details. High resolution is an important prerequisite for ensuring the clarity of the Color Monitor. Resolution indicates the precision of the screen image, that is, the number of points that the display can display. Generally, t
Stefan Winkler and others in the paper, "Video quality Evaluation for Internet streaming Applications", introduces the methods of video quality evaluation of streaming media, and their research results, recorded here.
Note: The single-stimulus continuous quality evaluation method (SSCQE) is used in this paper, which is
This bug is inherent in google. Like many android problems, this is another problem that can be classified as multi-thread synchronization/state machine.
The problem lies in the handle of the asynchronous message of NuPlayer. The symptoms and causes are not detailed. The BUG is the biggest issue.Replaying steps: Repeat and exit the html5 streaming media (the UA of the browser is set to the Ipad mode, such as the youku network and Baidu
This bug is inherent in Google. Like many Android problems, this is another problem that can be classified as multi-thread synchronization/state machine.
The problem lies in the handle of the asynchronous message of nuplayer. The symptoms and causes are not detailed. The bug is the biggest issue.Replaying steps: Repeat and exit the HTML5 streaming media (the UA of the browser is set to the iPad mode, such as the Youku network and Baidu
complete:Third, after the installation is open and through the browser to access the IP address of http://The Web Management Server port, such as: Http://192.168.1.160:9085/vmsCommon operations commands for Linux1. CD into the folder2, CD. Go to current folder3. cd. Go to previous folder4. mkdir Create Folder5. ll view the detailed catalogue contents6. LS View all directory names7, TAR–ZXF to extract file name extract files8./install installation files9. DF View Partition Directory10, rm–r–f De
, video codec protocol, by setting parameters can be completed based on mpeg4,h.264 and other protocols, based on efficiency, decided to use x264 softIOS supports AAC audio soft coding and hard coding, hard-coded without CPU consumption, high efficiency, and decision to use hard knitting. Using the audio Queue3. Technical flowchart4 Related Technologies(1) X264 encoderx264 is a GPL-licensed video encoding f
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