Looking for desktop application developer with Qt

Bidders should be able to converse and write in English.

I am looking for someone to develop a new software application. The program will open and play karaoke files - both audio and video - it will change the key and/or tempo of these files, and it will SAVE these changes in either audio or video format while maintaining the graphics (lyrics) found in some karaoke files. The program will utilize ffmpeg and ZTX Time Stretch/Pitch Shift libraries to accomplish this. It will be built using QT and will run on both Mac and Windows machines.

--Audio formats it will open: mp3, aif, wav, mp4, m4a, aac, wma, mp1, cda

--Video formats it will open: avi, mpeg, mpeg4, avi, wmv, mov

--Karoke Formats it will open: CDG and VCD

The following experience is required: At minimum you must have good experience with the first 3 items. The other items are not required but would be beneficial. When you respond, please let us know which of these skillsets you have.

1. QT 5.4+ [5.9.1]

2. QML, Qt Quick 2, Qt Quick Controls

3. FFMPEG Command Line Experience

4. Audio programming experience for Win and Mac

5. Video Programming Experience Win and Mac

6. Apple Script Experience

7. Access to both Mac and Windows machines

8. Customization of C/C++ Libraries Experience

9. Experience with VLC Project

It is possible we may hire more than one person to work on this job. Audio and video experience is important. Pricing is also important as this project is estimate at 1000+ hours.

Kemahiran: Pengaturcaraan C++, Mac OS Mac OS, Qt, Destop Windows

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Tentang Majikan:
( 0 ulasan ) United States

ID Projek: #15768046

22 pekerja bebas membida secara purata $35/jam untuk pekerjaan ini


Hello. I am a desktop system developer (specializing in macOS and Windows). I have created sophisticated Audio/Video editing applications, please have a look at the Dash Camera Video Player and other apps in my port Lagi

$40 USD / jam
(36 Ulasan)

Familiar interface and simple algorithm encourage your work. • Languages: Objective C , Swift , PHP, Java, SQL, HTML, CSS, JavaScript, C, C++, C#,Python • Web Frameworks: Laravel , Wordpress , CodeIgniter, Zo Lagi

$39 USD / jam
(102 Ulasan)

Hi, Dear. I have rich experience on desktop application development with Qt/Java/C++. Also I have ever worked on video compressing project, so I think I can build this work so clean. I hope we can discuss more detai Lagi

$50 USD / jam
(9 Ulasan)

Hi, I am professional software developer and have rich experiences with C/C++, ... This project is very interesting to me and makes me exciting. I can deliver this project successfully. Hope to work with you. Best Lagi

$41 USD / jam
(35 Ulasan)

Hi -- Best quality -- Affordable Price-- I started work in freelancer a few days ago, but I have been developing for over 10 years. Especially Qt developing for over 5 years. The recent developed app is Smart Piano( Lagi

$38 USD / jam
(16 Ulasan)

i am c/c++, QT expert and have full experience for 10 years. i am using from qt3.3.8 to 5.9 till now. QT, c++ language is my top skill. i can provide most quality and high speed. if you want to success, please cont Lagi

$41 USD / jam
(4 Ulasan)

How are you? I've a great interest in your project as a Face Recognition & OCR expert who have been specializing in this field for over 10 years. As you can check from my portfolio and previous project reviews, I'm not Lagi

$41 USD / jam
(20 Ulasan)

Professional QT developer is here. I am top 10 developer on Freelancer.com. I checked your specs in detail and I am very interested. Please contact me with details. Thanks

$41 USD / jam
(4 Ulasan)
$27 USD / jam
(18 Ulasan)

If you want to work with us , We will provide good work great success to you. -Our experience and Our Skills Chatting and Dating , Taxi and ride sharing , Shopping ,Video and photo Editing , QR code Scan , Food or Lagi

$41 USD / jam
(1 Ulasan)

Dear, sir! I have a lot of practical experience as an expert in this field and I am very interested in this project. I hope to discuss all the details of project with you in the nearest future. I will deliver good r Lagi

$25 USD / jam
(7 Ulasan)

I'm a main developer of windows multimedia player CherryPlayer. I'm developing CherryPlayer last 6+ years, it is my hobby project to improve my knowledge. I'm working with Qt Quick 1.1 last 6+ years (starting in 2011 w Lagi

$37 USD / jam
(9 Ulasan)

Hello, Client. I have read your project requirement. i think i am fit on this project. i am computer vision expert and full experience on mobile app development about 7+ years. i am familiar on QT, c/c++ and I have e Lagi

$27 USD / jam
(5 Ulasan)

Dear Sir. I have rich experience of qt app development with more than 10 years experience on Windows, Linux and macOS. Especially I am very familiar with video/audio streaming and processing including ffmpeg and op Lagi

$34 USD / jam
(2 Ulasan)

Hello, dear. I am a Software Engineer in working Desktop Application such as QT, C++, C#. And I have full skill in field of Mpeg Audio processing. I am very interest for your job. I want to have chatting for discus Lagi

$27 USD / jam
(4 Ulasan)

A proposal has not yet been provided

$38 USD / jam
(1 Ulasan)

Hi, I'm a talented developer for iOS, Android and have 8 years full time development experience. I have already developed a great number of various applications, namely on-demand services, location-based apps, Lagi

$33 USD / jam
(1 Ulasan)

Hi, I'm a desktop and Qml/Qt developer with a lot of real-time video and audio processing and streaming developer, as you can see from one of my portfolio. It's a multi platform project that is based on Ffmpeg, Qt, Lagi

$44 USD / jam
(0 Ulasan)

Hi there, I'm an experienced QT developer, currently working with a team at CDN Software Solutions. We are an ISO 9001:2008 certified agency and having 17+yrs of rich experience in web and mobile app development. Yo Lagi

$30 USD / jam
(0 Ulasan)

I have experience in qt/qml, c++ and also have worked in audio subsystems applications in automotive domain..

$33 USD / jam
(0 Ulasan)