As an extension of the development of the industry classification live, live one on one for some people prefer social property, it is a very good choice. For now, the social attribute strong broadcast market is not saturated yet appeared, where there is a big profit margins, but the timing of one to one live development projects arise can be very appropriate.
Here, many people may want to learn more about the process at the time of issue one to one live development, Now comes the process, then certainly we must say a very important push live stream links, so here is simply to Python tutorials introduce relevant content on the flow booster.
Certainly there is video data playback video, into the video data encoder, the encoder then by decoding the video data, and then decomposed into images, last played on the display, which is a basic player processes. In general, now more mainstream encoding format is H.264, H.264 for terms of three different frame will appear. (Frame, i.e., see each image is 25 frames per second) for the H.264, the common main I frames, P frames, B frames.
1.I frame, I-Frame Some would call Inter Frame, then what is the meaning of it?
It is a self-describing frame, can be understood as similar to a jpg image, all the data in it, and then solved the problem, that is a whole picture. No other frame of reference, do not need to reference the front and rear. Compression ratio is minimal, because the whole picture you want to include all the data in it.
2.P frame, P-Frame that is predicted frame, it predicted frame is how it happened?
We have never used version control software, such as git or SVN, so that we may be better understood, P frame is retained become part of the same part number or go to a frame inside to find the line. P frames only responsible for forward references, that is, any P-frame, it just look at these data frames ahead of it. What are the benefits of P frames is it? Because it keep some change information, so it is probably the compression ratio is 50% I frame.
3.B Frame, B-Frame, before and after the bi-predictive reference.
B-frame rather special, it is a reference to a previous P frame image data while the back portion of the B-frame data is also cited, this is characteristic of B frames it references to the preceding data, the following data should be referenced. Its advantage is that Bibi P-frame compression is greater, about 25% I-frame, B-frame is, we use a particularly large number of words, it will drop the size of the video is relatively low, because of its larger compression ratio .
Thus, during one broadcast content on the development aspects of the current push for the realization of live it is still very important. But for the individual in terms of difficulty and complexity really too big, it is recommended that you find a live one on one professional development team, in order to obtain high-quality one broadcast software.
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