It is necessary to make the ffmpeg process in Linux work sequentially (Node JS)
50 USD Greetings
There is a website that streams HLS, and after the HLS process ends, the second stage of the process begins - converting .ts to WEBM. The thing is, streams can be simultaneously broadcast in HLS, and after this process ends, the WEBM process starts, which will handle two processes (2 streams) in WEBM at the same time, putting a load on the VPS, as it is important during the WEBM conversion process that a queue is created after the HLS process to convert .ts chunks one by one.
To summarize: The entire ffmpeg process: hls/webm processes are written in Node JS. The videos themselves record .ts files with a length of 2 hours and 20 minutes. After HLS, these .ts chunks are converted to WEBM. It is necessary to ensure that the WEBM processes are converted in sequence.
I welcome anyone who is somehow related to ffmpeg/linux/node js. The most important thing is that you can do this. Additional details, code, sources, and explanations upon response. I ask you to carefully review the task and respond only if you are confident that you can do it.
Client's review of cooperation with Yelizaveta Molchanova
It is necessary to make the ffmpeg process in Linux work sequentially (Node JS)The project has been successfully completed, we continue the collaboration!
Freelancer's review of cooperation with Murad Imanov
It is necessary to make the ffmpeg process in Linux work sequentially (Node JS)Everything went well, I am very satisfied with the cooperation!
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Winning proposal1 day50 USDWinning proposal1 day50 USD
Hello, I can quickly complete the project. For any additional questions, please send a private message. I will be happy to collaborate.
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1 day400 USD
3853 24 0 1 day400 USDGood day,
I would be happy to help with your project. I have experience working with ffmpeg, Linux, and Node.js, and I am ready to take on the task of converting .ts files to WEBM with a subsequent processing queue for web streaming processes.
My rate is $16 per hour. Shall we discuss the project details?
Best regards,
Maxim
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So do you want to optimize the server or do you want someone to help you optimize this code?
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Hello Chunhui
Actually i already have a node js code for HLS restream and WEBM conversion, if you want to explore my code i ll send you. May be this code is not optimize i dont know.
But first of all i need create some queue for WEBM process. I dont know what approach is better for queue? On node js or in linux process queue.The result should be as follows: the previous WEBM process must be completed and the next WEBM process must have already started, which converts .ts files to .webm. That is, there should not be parallel WEBM processes (i.e. 2 processes or more).
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Well, I'm not a streaming developer, although I have programming skills, I'm just confused about this requirement
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Какой командой Linux запускается сам процесс WEBM ?
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Здравствуйте Павло
Вот такая конфигурация для WEBM процесса:const webmProcess = spawn('/usr/bin/ffmpeg', [
'-f', 'concat',
'-safe', '0',
'-i', concatFileList,
'-c:v', 'libvpx',
'-b:v', '800k',
'-c:a', 'libvorbis',
`${matchDir}/${url}-${index}.webm`
]);
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Так же вот конфигурация для HLS, которая идет перед процессом WEBM тем самым создавая .ts впоследстии которой уже собирается в WEBM:
const hlsProcess = spawn('/usr/bin/ffmpeg', [
'-i', link.split('_flag_')[0],
'-i', '/var/www/html/lf-nextjs/public/assets/ico/tv-logo.webp',
'-filter_complex', '[1]scale=150:120[logo];[0]scale=854:480[video];[video][logo]overlay=W-w-30:0',
'-c:v', 'libx264',
'-preset', 'ultrafast',
'-crf', '28',
'-c:a', 'copy',
'-f', 'hls',
'-hls_time', '10',
'-hls_list_size', '6',
'-hls_segment_filename', `${matchDir}/${url}-${index}_%03d.ts`,
'-t', '02:20:00',
`${matchDir}/${url}-${index}.m3u8`
]);
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что делает один процесс и второй ?
Процессы запускаются одной командой ?
Какой командой ?
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Здравствуйте, какой размер чанков и как быстро завершается процесс конвертации (используются какие-то параметры улучшения или нет?) в webm?
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