The song of cactus - marching into to C live broadcast (2)

Can you make a movie rotation channel

Chen Su saw Lin Xiangnan coming this way from a distance , I have a bad feeling in my heart . Sure enough , Lin Xiangnan greeted me from afar ：“ Chen Gong , Go to Hong's general office for a meeting .” Chen Su has nothing to do , He quickly got up and went to hongwuqing's office . Go in and have a look , Now zhongzhanpeng 、 Huangyunkun is already inside . And a colleague , It's liuchengyu .

Chen Su knows that liuchengyu is the core technician of the streaming media service department , Although I haven't dealt with anyone at work , But excellent technicians can build a tacit understanding as long as they have a few words of communication . It was not until later , Chensucai found , Liuchengyu is the most appreciated technologist in Spectrum Science and technology , Both technically and morally .

Hongwuqing motioned Chen Su to sit down , Then he said ：“ Just now, liuxiangrong, general manager of the Northeast Region , Called me and asked for a request .” Listen to this , Chen Su felt that the indoor temperature had dropped significantly , Everyone has an ice bar on their face .

“ He asked if we could make a movie rotation channel ？” Hongwuqing directly said Liu Xiangrong's request .

“ What does rotation mean ？” Zhongzhanpeng asked first .

“ It is similar to CCTV's six film channels .” Hongwuqing's image is like , Let everyone understand in an instant . Chen Su also understands the purpose of calling him here , Because this function is actually a live broadcast content . But the difference is the live source , There must be development work here .

Sure enough , Hongwuqing said that here comes the head ：“ therefore , I think this is nothing more than opening a new live channel . There is no need to change the data transmission system of live broadcast . Right , Chen Su ？”

“ you 're right , That's true .” Chen Su nodded at the speech .

“ In fact, it is to transform a live broadcast source ,” Hongwuqing is slowly talking about his ideas ,“ Movie file media are off the shelf , In our CDN In the core repository . Now it is time to get through to VOD CDN And live CDN The connection here . Xiangnan , Call liangjiangfeng and Yang Chong together .”

After a while , Lin Xiangnan led Liang Jiangfeng and Yang Chong in together . Hongwuqing repeated his idea with Liang Jiangfeng . After liangjiangfeng understood , say ：“ on demand CDN Can provide a file download interface . As long as there are files in the live broadcast fid, adopt http The interface can be from VOD CDN Get movie files .”

“ good ,” Hongwuqing turned to Yang Chong and said ,“ Yang Chong, you are on demand CMS Make a simple page in the system . Its function is to allow editors to search for the movie files they need , Then make a program list . You can send the program list to the live broadcast . The keywords included in the download list are ： file name 、fid、 Online time, etc . Get it ？”

Yang Chong rolled his eyes , Then nod your head to show understanding . Hong Wuqing breathed a sigh of relief , Finally, I looked at huangyunkun ：“ Yun Kun , There's one more thing for you . You need to provide a program , Its function is to read a ts file , Then output according to the playing code rate . In this way, the purpose of simulating live streaming can be achieved , Right ？”

Huangyunkun habitually lifted his glasses , This time, I replied with a happy reply ：“ That's ok , I can do this .” Chen Su was trying to catch his breath , Huangyunkun's “ however ” I followed them . He said ：“ But I can only Windows Development under , If you want to be in linux In the following words , I haven't done it .”

Chen Su thought , Old Huang started to cheat again . little does one think , Liuchengyu took over the conversation , He speaks faster , Speak directly ：“ Lao Huang , Can you use this program without an interface ？”

“ It is no problem. ,” Huangyunkun lifted his glasses again ,“ I'll make it Dos Command the project .”

“ Just do it ,” Liuchengyu speaks confidently ,“ As long as you don't call... In your code Windows System call of . Only C Standard library method of language , Is this OK ？”

“ There must be no problem with this .” Huang Yunkun is probably too embarrassed to say no .

“ Then give it to me when Lao Huang has written the code ,” Liuchengyu turned to hongwuqing and said ,“ I'll make a simple change then , Migration to Linux Environment is OK . in addition , I also add the function of reading the download list , The rotation sources are almost all alive .”

Hongwuqing frequently nodded at the words , Chen Su could not help admiring liuchengyu . His technical thinking is clear and definite , Act decisively without dragging water , Anyone is willing to cooperate with such a technical person .

At this time, liangjiangfeng added ：“ There is another step , It is to read the download list and download the file locally . Let the new dragon army from our department do this .” Chen Su knows that the Dragon Army , But I haven't dealt with them yet . That is to say hello when we meet , As for his level , Chen Su is not at all clear .

“ That should be about it ,” Hongwuqing nodded with satisfaction , But I still asked ,“ Let's think about it , Is there anything missing ？”

It may be the conservative side of hongwuqing's character , He probably has some doubts about what to do , So he especially likes to give the work to those who pay attention to details .

Hongwuqing looks like everyone is meditating , He said to Chen su ：“ Chen Su , There seems to be nothing for you here .” Everyone couldn't help laughing at the speech , Chen Su also grinned , I thought to myself that all the wrongs have their heads and all the debts have their owners , What else can you do for me .

“ You can write a design of the content discussed today , ok ？” Hongwuqing really found something for Chen su .

“ That's ok , This is OK .” Chen Su breathed a sigh of relief , He was really happy to write about the design .

“ Then follow the rules ,” Hongwuqing turns to linxiangnan and says ,“ Design it , Organize everyone to review . After passing the review, set tasks and time for relevant personnel , ok ？”

Come out of hongwuqing's office , Chen Su feels very good . The live broadcast project seems to have a good development momentum , Last time, I didn't ask Chen Su to think about a new live broadcast scheme , You still have to talk to hongwuqing alone if you have a chance .

The rotation service goes online

After Chen Su returned home, he completed the design scheme of the rotation service in two days , I thought it over again from beginning to end . Chen Su feels that the implementation logic can be self consistent , It is not a big problem to explain the system as a whole . Nothing more than in the development process , There may be some details , Then I will add 、 Revise the design documents , And keep it updated .

so to speak , The live broadcast project has progressed to the present , Chen Su has fully integrated into the rhythm of the company's development management . And live CDN On the overall architecture of , Chen Su knows all the details like the back of his hand . Of course , Other colleagues of the technology department have participated in the development of live broadcast projects , We all know the overall architecture of this system , But the details are not as clear as Chen su .

After the round robin design document prepared by Chen Su is sent out , Linxiangnan soon organized a design review meeting . This review meeting is actually Chen Su to liuchengyu 、 Huangyunkun explained their respective development tasks . Liuchengyu doesn't have to say , He knows exactly what he wants to do . And huangyunkun understood the part of work he had to do , I took an excuse to leave .

on demand CDN There, of course, is the Dragon army , This is the first time Chen Su has dealt with longxingjun at work . Chen Su is a little worried , He asked ：“ march , In this design , You have to develop a program . Its function is to scan a disk directory regularly , Then there will be a json Format file into . After you find the new file , First analyze , Get the list of files to be downloaded . Then on demand CDN Send the request , Download the files locally . Understand the process ？”

“ understand ,” The answer of long Xingjun was very straightforward ,“ Just read a configuration file , then Down Just go to the local place . on demand CDN With interface , Liangjiangfeng has already told me .”

“ That would be great .” Chen Su is quite satisfied with the understanding ability of the Dragon Army .

“ Does this job require a development language ？” Long Xingjun then asked .

“ No, ,” Chen Su hesitated for two seconds before replying ,“ What language are you going to use to develop ？”

“python Well ,” Long Xingjun said it ,“ Because the VOD side has recently done file injection , It also uses python, So I thought it was all about python got .”

“ That line ,” Chen Su still asked ,“ Liangjiangfeng knows you are going to use python Is it realized ？”

“ know ,” The Dragon army is confident ,“ That's what he suggested .”

This is the end of the review meeting of the broadcast design , Linxiangnan made minutes of the meeting , Schedule has been agreed with relevant developers . And then , Linxiangnan sent the conference briefing and the design documents sketched by Chen by email . In half an hour , Hongwuqing replied to the email , The content is to agree with the design scheme , I hope you can finish it as soon as possible .

Two weeks later , Everyone's development work has been completed , Chen Su pushed everyone to submit the program to zhanjiming and mawenbo . After a week of testing , The program has basically stabilized , Chen Su pulls heliqiang again 、 Leidingyu held a meeting together , Explain the functions and deployment methods of these programs .

Because this demand was put forward by liuxiangrong , So it was first deployed in Shenyang Telecom machine room . Two days passed. , Chen Su saw that heliqiang was still in the company , A little uneasy , Just ask him ：“ Lao he , Why haven't you gone to Shenyang ？”

“ I don't have to go out ,” Heliqiang swings leisurely on his legs ,“ Rego, he took the team up .”

“ yo , Rego has been in charge of his own affairs .” Chen Su sighs that everyone is constantly growing in this project .

“ That's not ,” Heliqiang's black face is a look of satisfaction ,“ President Chen awesome , All the brothers awesome , I just call the logistics for them , ha-ha ！”