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Pause the recording of a Screencast application

We have an existing Screencast application which allows to record simultaneously 2 video streams. It is written in C ++ and uses the Qt library. The application uses the ffmpeg library to record the signals. The system captures the desktop, webcam input and audio at the same time. The compilation is done for MacOS and for Windows. The application is packaged with its libraries in an exe file for Windows and a dmg file for MacOS.

Our current need is to adapt the application so that we can pause the recording. ffmpeg has no option to pause on its own. It looks it is only possible to send it a stop signal. The idea to get there would be to retrieve the identifiers of the system processes involved with ffmpeg and to somehow pause them. It is necessary to be comfortable with CMake for this project.

Квалификация: Программирование на C++, Архитектура ПО, Рабочий стол Windows, Qt, Video Processing

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О работодателе:
( 0 отзыв(-а, -ов) ) Granges-Paccot, Switzerland

ID проекта: #23905826

21 фрилансеров(-а) в среднем готовы выполнить эту работу за $994

NewHorizons2016

Hello there, I'm a European/UK R&D engineer from a very highly prestigious consumer electronics and MS WIndows/embedded background, and come with vast C++ experience, and some QT too. I only though, offer Windows and L Больше

$850 USD за 3 дней(-я)
(41 отзывов(-а))
6.4
erndsglts

Hi,How are you? Having 9 years of experience in the Qt, C++ on Linux, Will and Mac. I done many applications using Qt frame work. we can discuss more info in chat.

$1000 USD за 2 дней(-я)
(44 отзывов(-а))
5.9
tcbinh

Hello, I have experienced in this part. I know some ways to adapt with your requirements and i could work with you a long term. Talk with me to go further, please! Thanks, Binh

$1111 USD за 20 дней(-я)
(17 отзывов(-а))
5.3
ventiljvw

Hello. I can help you to pause the recording. I have good experience with Qt/Qml and FFmpeg. Do you call [login to view URL] in your C++ classes or you have C++ module that uses FFmpeg API? Please contact to me to talk more abo Больше

$800 USD за 12 дней(-я)
(26 отзывов(-а))
5.4
locutusente

I have over 15 years of Qt experience on all supported platforms. If you used QProcess to call the FFmpeg app then it is easy enough call the native API's to pause and resume the thread. I also have a Mac mini which I Больше

$1125 USD за 7 дней(-я)
(5 отзывов(-а))
4.6
atalukdar

kindly review my profile. I have been working as a software developer for last 12years. have done similar work for logmarcamera . will be able to implement it. thank you

$1333 USD за 30 дней(-я)
(5 отзывов(-а))
3.4
artemzlobin900

Hello. Fast work, High quality, The Best result is promised. As you see, I am a C++/QT expert, I am very confident about my technology. I developed a 'Cloud Compare' plugin using OpenGL with QT for Mac and Windows. Of Больше

$1000 USD за 15 дней(-я)
(6 отзывов(-а))
3.5
mtroz310

Dear Client, ***QT and C++ EXPERT Here*** I am really excited because I believe I am really a strong candidate for this project and I understand the requirements very clearly. I also have rich experience in Image/Vide Больше

$800 USD за 4 дней(-я)
(1 отзыв)
3.4
techskills16

Hello I am a professional in window desktop and PHP developer I did my MS CS from NUST Islamabad please open message box for me so we can discuss the details thank you

$750 USD за 2 дней(-я)
(5 отзывов(-а))
3.6
milosstankovic33

Hello. I'm a full stack developer have more than 7 years of very rich experience in c/c++ programming and have done IoT project using Qt. I'm passionate about my work and always try hard to do my projects as perfect as Больше

$1200 USD за 6 дней(-я)
(2 отзывов(-а))
2.7
hireankit

Hi, Why not just find the thread which is recording and pause the thread using "SuspendThread" Windows API and whenever we want to resume the recording just call "ResumeThread" Windows API. We also have knowledge a Больше

$750 USD за 7 дней(-я)
(1 отзыв)
2.7
hayteekeys

helllo, I have worked both full time and part time as a Windows desktop/embedded *C/C++(MT4, 5)/C#/PYTHON/Arduino/QT developer for over 7 years now, I have done many simple and complex projects with Visual Studio and Больше

$750 USD за 2 дней(-я)
(2 отзывов(-а))
2.2
soheilyreza

Hi, I have confident on your project 100% I have full experience on desktop, webcam/audio capture and can record the frames by using h264 codec and g729 codec. I am C/C++, Qt expert experienced for over 10+ years and h Больше

$1500 USD за 7 дней(-я)
(1 отзыв)
2.0
athminteam

Hi, This is Vipin, an alumnus of IIT Kanpur. I have 6+ years of experience in customized software, web and mobile app development and has expertise in Android, iOS, Python, Magento, PHP, HTML, Java, Angular and Ioni Больше

$1125 USD за 7 дней(-я)
(4 отзывов(-а))
2.4
ihorkokhi8

Hello! I wish you a very good day! I am a C++/C# expert. I have been fully experienced in C++ & C# programming with 5 years. And I have also built various kinds of QT GUI & ffmpeg Video processing C++ projects recentl Больше

$900 USD за 7 дней(-я)
(2 отзывов(-а))
1.6
Jeny27

Greetings. Thanks for this opportunity. I am a preferred C/C++ and QTdeveloper with over 9 years experience and a strong workforce of many Professionals. I'm interested in working with you. As per your interest, I can Больше

$800 USD за 12 дней(-я)
(0 отзывов(-а))
0.0
miaskoo

As I understand it, it will be enough to implement the pause button for video streams, and leave the ability to build the application through CMake. Interesting task, ready to start) Cheers!

$1000 USD за 7 дней(-я)
(0 отзывов(-а))
0.0
RobertLuoB

ok, i am good at ffmpeg libraries programming. i know several ways to get the pausing works in your case. 1) do you have the code? 2) is it dynamic libraries in the system when you were talking about ffmpeg? please Больше

$750 USD за 25 дней(-я)
(0 отзывов(-а))
0.0
GlenVu

I'm working in automotive systems which have done many audio/video streaming related function and audio/video processing. And optimize qt apps performance. Let me know if you have any questions!!!

$1333 USD за 7 дней(-я)
(0 отзывов(-а))
0.0
Adam1985d

Hi , I have been working with ffmpeg for several years now. i can suspend the process and resume to pause the recording. Let me know if you are interested and we can talk more about this project. I'm from the Uk a Больше

$750 USD за 7 дней(-я)
(0 отзывов(-а))
0.0