obs video encoding

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Video parameters (Streaming media system, package format, video encoding, audio encoding, player) comparison

Found a few video parameter comparison of resources, is Wikipedia on, summed up very good:Streaming Media system comparison:Http://en.wikipedia.org/wiki/Comparison_of_streaming_media_systemsPackage format comparison:Http://en.wikipedia.org/wiki/Comparison_of_container_formatsVideo Encoder comparison:Http://en.wikipedia.org/wiki/Comparison_of_video_codecsAudio encoding format comparison:Http://en.wikipedia.o

Let's take a look at the popular video formats and video encoding. What are the omissions !!

static screen and can be played using RealPlayer. Play with software. The common RM format is the real8.0 format, which uses fixed bit rate encoding. Multiple devices are used in VCD-rm, which has become popular for some time. However, due to the inherent deficiency of the VCD source, it is not clear enough, so the pressure RM will not be clear. Especially Standard online 225kbps bit rate, the definition is terrible. Rmvb has one more VB than R

[Streaming media] Android real-time video encoding-H.264 hard Encoding

Http://www.cnblogs.com/skyseraph/archive/2012/04/04/2431771.html 1 hard Coding Soft Encoding Hard Coding: By calling the camera recording video that comes with the Android system, it actually calls the underlying HD encoding hardware module, that is, the video card, which does not use the CPU and is fast. Soft

Android real-time video encoding-H.264 hard Encoding

Http://my.eoe.cn/682121/archive/1839.html Author: changkai245 published in March 21 visit (533) Comment (0) 1 hard Encoding soft EncodingHard coding: by calling the camera recording video that comes with the Android system, it actually calls the underlying HD encoding hardware module, that is, the video card, w

Open video encoding (H.264) encoding/decoding data input and output Interfaces

Tags: monitoring camera solution scalability interface client Anychat is an open real-time communication solution for audio and video. in earlier versions, the input and output interfaces of raw data have been opened:1. The client callback function can be used to output the user's original video sample frame data (YUV, RGB): video data callback function

Yuyv encoding to H.264: Linux video collection and encoding (2)

You can use v4l2 to successfully collect the yuyv video and encode it into H. 264 file, because yuv420 was previously encoded as H. 264 program, so I think yuv422 is encoded into H. 264 is also similar and should be quite simple. So I am very happy to write the encoding function. Encoding yuv420 I am referring to this article and this blog post. I am now ready to

Conversion of audio/video encoding using QQ audio/video operations

Knowledge Point analysis:When a TV user calls to play a video on a USB flash drive, there will be no sound or image or sound. This solution can be used.Procedure:When you watch a USB flash drive video on a TV, there may be sound-free images or images without sound. The specific solution is as follows:1. Download the QQ audio and video player from your computer on

YUV video flat collection in v4l2: Linux video collection and encoding (1)

. That is to say, the collected YUV is written to a file and saved in the form of an interline scan. If the interleaved check box is not checked, the player cannot play your YUV file normally. The following figure shows the images normally displayed: Hey, this is my photo. ^_^ YUV video collection is normal, but videos encoded with x264 are still rendered unsightly !!! What should I do? Please refer to my next blog titled "yuyv

V4L2 Video acquisition and H264 encoding 2-V4L2 acquisition YUV Data __ Encoding

In the previous article because the USB camera used on the PC can only support Gpeg image format, but the H264 encoding needs to use YUV data, so I found an arm development board to do the test. This thought that the code from the PC to the Development Board is a very simple thing, who knows that because the platform or v4l2 the difference between the bottom of the drive, and finally spent the Dickens to solve the problem. Words not much to say, direc

Video encoding and encapsulation method

1. Encoding and Encapsulation formatCommon AVI, RMVB, MKV, ASF, WMV, MP4, 3GP, FLV and other files can only be regarded as a packaging standard.A complete video file is made up of 2 parts of audio and video. H264, XviD and so on is the video encoding format, MP3, AAC and so

Audio/Video Encoding format Summary

I. Audio Codec format* MPEG audio layer 1/2* MPEG audio Layer 3 (mp3)* MPEG2 AAC* MPEG4 AAC* Windows Media audeo V1/v2/7/8/9* RealAudio cook/sipro (Real Media Series)* RealAudio AAc/aacplus (Real Media Series)* Qdesign music 2 (apple series)It is a qdesign company developed for high fidelity and high compression ratio encoding method, similar to MP3, but more advanced than MP3. Supports stream playback.* Apple MPEG-4 aac (apple series)* Ogg (Ogg Vorbi

Video Encoding and Encapsulation Format Parsing

To put it simply, the MKV and AVI formats only encapsulate containers, which encapsulate video streams and audio streams. The container does not affect the image quality. What affects the quality is what is encapsulated in the container. Therefore, changing the container does not affect definition subtitle audio. I would like to add some basic knowledge about video. Maybe there is something wrong with it. F

Easily interpret Audio/Video Encoding

Author: Hu Zhenyu Recently, many of my friends have asked me some questions about audio/video encoding and decoding. This is probably because of the popularity of mobile phones, PDAs, and other devices and the increase in bandwidth, the spread of audio and video is becoming more and more popular. However, I found that many of my friends are still unclear about s

H.264 Analysis of QoS characteristics of video encoding transmission (I)

I. Preface in the past 20 years, Internet, mobile communication and multimedia communication have achieved unprecedented development and great commercial success. The convergence of mobile communication and multimedia technology is accelerating. research results in network architecture, low-power integrated circuits, powerful digital signal processing chips, and efficient compression algorithms are emerging. Video Image Coding and transmission technol

Video Encoding MPEG2 MPEG4 DivX Xvid h264 vc1 Encapsulation Format MKV Avi rmvb MPG ts literacy Reprinting

To put it simply, the MKV and AVI formats only encapsulate containers, which encapsulate video streams and audio streams. The container does not affect the image quality. What affects the quality is what is encapsulated in the container. Therefore, changing the container does not affect definition subtitle audio. I would like to add some basic knowledge about video. Maybe there is something wrong with it. F

Android Video Coding H263 mp4v h264__ encoding

I said in the last article how to use JNI for H264 encoding, but it's not very practical because of the efficiency problem. After several days of tossing, and referring to the general implementation of the http://www.javaeye.com/problems/27244 Android real-time coding problem, but only thinking, has not entered the stage of code implementation. More important 2 classes of Mediarecorder Parcelfiledescriptor Mediarecorder is a class that Android provi

[Reprint] video encoding (h264 overview)

IVideo Encoding 1.1 target of video compression and encoding 1) Ensure compression ratio 2) Ensure recovery quality 3) easy to implement, low cost, and reliability 1.2 starting point of compression (feasibility) 1) Time Correlation In a video sequence, adjacent two adjacent frames have very few differences. This is th

H.264 Analysis of QoS characteristics of video encoding transmission (II)

III. H. 264 of the video encoding layer error recovery [] In H.261, H.263, MPEG-1, MPEG-2, many error recovery tools have been well applied: different formats of image segmentation (slices and block groups), I-mode macro blocks, slices and image interpolation, select reference images (with and without feedback, image level, GoB/slice or MB level), and separate data. H.264 inherits some excellent error recov

About HTML5 video encoding, I heard that Google is not so keen on pushing WebM. I heard that Mozilla seems to be using H.264. Does this mean H.264 will win in the end? -

/html5-video-war-part-2.html Stir HTML5 video this beach muddy water (3) WebM vs H.264 http://apple4.us/2011/01/html5-video-war-part-3.html "Stir HTML5 video this beach muddy water (4) status quo" http://apple4.us/2011/01/html5-video-war-part-4.html Stir HTML5

Video Coding/decoding 3: transformation, quantification, and entropy Encoding

hierarchical encoding of video Space Chapter 1 quantification 1. QuantizationQuantization The process of displaying a larger set with a smaller set Finite approximation of signal sources Lossy Process Application A/D Conversion Compression Quantization Method Scalar Quantization Vector Quantization 2. Basic Idea of quantification Ing an input

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